/* x509.c * * Copyright (C) 2006-2022 wolfSSL Inc. * * This file is part of wolfSSL. * * wolfSSL is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * wolfSSL is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA */ #ifdef HAVE_CONFIG_H #include #endif #include #if !defined(WOLFSSL_X509_INCLUDED) #ifndef WOLFSSL_IGNORE_FILE_WARN #warning x509.c does not need to be compiled separately from ssl.c #endif #else #ifndef WOLFCRYPT_ONLY #ifndef NO_CERTS #if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL) #include #endif #if defined(OPENSSL_ALL) || defined(OPENSSL_EXTRA) unsigned int wolfSSL_X509_get_extension_flags(WOLFSSL_X509* x509) { unsigned int flags = 0; WOLFSSL_ENTER("wolfSSL_X509_get_extension_flags"); if (x509 != NULL) { if (x509->keyUsageSet) { flags |= EXFLAG_KUSAGE; } if (x509->extKeyUsageSrc != NULL) { flags |= EXFLAG_XKUSAGE; } } WOLFSSL_LEAVE("wolfSSL_X509_get_extension_flags", flags); return flags; } unsigned int wolfSSL_X509_get_key_usage(WOLFSSL_X509* x509) { unsigned int ret = 0; WOLFSSL_ENTER("wolfSSL_X509_get_key_usage"); if (x509 == NULL) { WOLFSSL_MSG("x509 is NULL"); } else { if (x509->keyUsageSet) { ret = wolfSSL_X509_get_keyUsage(x509); } else { ret = (unsigned int)-1; } } WOLFSSL_LEAVE("wolfSSL_X509_get_key_usage", ret); return ret; } unsigned int wolfSSL_X509_get_extended_key_usage(WOLFSSL_X509* x509) { int ret = 0; WOLFSSL_ENTER("wolfSSL_X509_get_extended_key_usage"); if (x509 != NULL) { if (x509->extKeyUsage & EXTKEYUSE_OCSP_SIGN) ret |= XKU_OCSP_SIGN; if (x509->extKeyUsage & EXTKEYUSE_TIMESTAMP) ret |= XKU_TIMESTAMP; if (x509->extKeyUsage & EXTKEYUSE_EMAILPROT) ret |= XKU_SMIME; if (x509->extKeyUsage & EXTKEYUSE_CODESIGN) ret |= XKU_CODE_SIGN; if (x509->extKeyUsage & EXTKEYUSE_CLIENT_AUTH) ret |= XKU_SSL_CLIENT; if (x509->extKeyUsage & EXTKEYUSE_SERVER_AUTH) ret |= XKU_SSL_SERVER; if (x509->extKeyUsage & EXTKEYUSE_ANY) ret |= XKU_ANYEKU; } WOLFSSL_LEAVE("wolfSSL_X509_get_extended_key_usage", ret); return (unsigned int)ret; } /* Returns the number of X509V3 extensions in X509 object, or 0 on failure */ int wolfSSL_X509_get_ext_count(const WOLFSSL_X509* passedCert) { int extCount = 0; int length = 0; int outSz = 0; const byte* rawCert; int sz = 0; word32 idx = 0; const byte* input; #ifdef WOLFSSL_SMALL_STACK DecodedCert *cert; #else DecodedCert cert[1]; #endif WOLFSSL_ENTER("wolfSSL_X509_get_ext_count()"); if (passedCert == NULL) { WOLFSSL_MSG("\tNot passed a certificate"); return WOLFSSL_FAILURE; } rawCert = wolfSSL_X509_get_der((WOLFSSL_X509*)passedCert, &outSz); if (rawCert == NULL) { WOLFSSL_MSG("\tpassedCert has no internal DerBuffer set."); return WOLFSSL_FAILURE; } #ifdef WOLFSSL_SMALL_STACK cert = (DecodedCert *)XMALLOC(sizeof(*cert), NULL, DYNAMIC_TYPE_DCERT); if (cert == NULL) { WOLFSSL_MSG("out of memory"); return WOLFSSL_FAILURE; } #endif InitDecodedCert(cert, rawCert, (word32)outSz, 0); if (ParseCert(cert, #ifdef WOLFSSL_CERT_REQ passedCert->isCSR ? CERTREQ_TYPE : #endif CA_TYPE, NO_VERIFY, NULL) < 0) { WOLFSSL_MSG("\tCertificate parsing failed"); goto out; } input = cert->extensions; sz = cert->extensionsSz; if (input == NULL || sz == 0) { WOLFSSL_MSG("\tsz or input NULL error"); goto out; } #ifdef WOLFSSL_CERT_REQ if (!passedCert->isCSR) #endif { if (input[idx++] != ASN_EXTENSIONS) { WOLFSSL_MSG("\tfail: should be an EXTENSIONS"); goto out; } if (GetLength(input, &idx, &length, sz) < 0) { WOLFSSL_MSG("\tfail: invalid length"); goto out; } } if (GetSequence(input, &idx, &length, sz) < 0) { WOLFSSL_MSG("\tfail: should be a SEQUENCE (1)"); goto out; } while (idx < (word32)sz) { if (GetSequence(input, &idx, &length, sz) < 0) { WOLFSSL_MSG("\tfail: should be a SEQUENCE"); FreeDecodedCert(cert); return WOLFSSL_FAILURE; } idx += length; extCount++; } out: FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return extCount; } /* Creates and returns pointer to a new X509_EXTENSION object in memory */ WOLFSSL_X509_EXTENSION* wolfSSL_X509_EXTENSION_new(void) { WOLFSSL_X509_EXTENSION* newExt; WOLFSSL_ENTER("wolfSSL_X509_EXTENSION_new"); newExt = (WOLFSSL_X509_EXTENSION*)XMALLOC(sizeof(WOLFSSL_X509_EXTENSION), NULL, DYNAMIC_TYPE_X509_EXT); if (newExt == NULL) return NULL; XMEMSET(newExt, 0, sizeof(WOLFSSL_X509_EXTENSION)); return newExt; } void wolfSSL_X509_EXTENSION_free(WOLFSSL_X509_EXTENSION* x) { WOLFSSL_ASN1_STRING asn1; WOLFSSL_ENTER("wolfSSL_X509_EXTENSION_free"); if (x == NULL) return; if (x->obj != NULL) { if (x->obj->pathlen != NULL) { wolfSSL_ASN1_INTEGER_free(x->obj->pathlen); x->obj->pathlen = NULL; } wolfSSL_ASN1_OBJECT_free(x->obj); } asn1 = x->value; if (asn1.length > 0 && asn1.data != NULL && asn1.isDynamic) XFREE(asn1.data, NULL, DYNAMIC_TYPE_OPENSSL); wolfSSL_sk_pop_free(x->ext_sk, NULL); XFREE(x, NULL, DYNAMIC_TYPE_X509_EXT); } WOLFSSL_X509_EXTENSION* wolfSSL_X509_EXTENSION_dup(WOLFSSL_X509_EXTENSION* src) { WOLFSSL_X509_EXTENSION* ret = NULL; int err = 0; WOLFSSL_ENTER("wolfSSL_X509_EXTENSION_dup"); if (src == NULL) { err = 1; } if (err == 0) { ret = wolfSSL_X509_EXTENSION_new(); if (ret == NULL) { err = 1; } } if (err == 0 && src->obj != NULL) { ret->obj = wolfSSL_ASN1_OBJECT_dup(src->obj); if (ret->obj == NULL) { err = 1; } } if (err == 0) { ret->crit = src->crit; if (wolfSSL_ASN1_STRING_copy(&ret->value, &src->value) != WOLFSSL_SUCCESS) { err = 1; } } if (err == 1 && ret != NULL) { wolfSSL_X509_EXTENSION_free(ret); ret = NULL; } return ret; } /* Creates and returns a new WOLFSSL_X509_EXTENSION stack. */ WOLFSSL_STACK* wolfSSL_sk_new_x509_ext(void) { WOLFSSL_STACK* sk; WOLFSSL_ENTER("wolfSSL_sk_new_x509_ext"); sk = wolfSSL_sk_new_null(); if (sk) { sk->type = STACK_TYPE_X509_EXT; } return sk; } /* return 1 on success 0 on fail */ int wolfSSL_sk_X509_EXTENSION_push(WOLFSSL_STACK* sk,WOLFSSL_X509_EXTENSION* ext) { WOLFSSL_STACK* node; WOLFSSL_ENTER("wolfSSL_sk_X509_EXTENSION_push"); if (sk == NULL || ext == NULL) { return WOLFSSL_FAILURE; } /* no previous values in stack */ if (sk->data.ext == NULL) { sk->data.ext = ext; sk->num += 1; return WOLFSSL_SUCCESS; } /* stack already has value(s) create a new node and add more */ node = (WOLFSSL_STACK*)XMALLOC(sizeof(WOLFSSL_STACK), NULL, DYNAMIC_TYPE_X509); if (node == NULL) { WOLFSSL_MSG("Memory error"); return WOLFSSL_FAILURE; } XMEMSET(node, 0, sizeof(WOLFSSL_STACK)); /* push new obj onto head of stack */ node->data.ext = sk->data.ext; node->next = sk->next; node->type = sk->type; sk->next = node; sk->data.ext = ext; sk->num += 1; return WOLFSSL_SUCCESS; } /* Free the structure for X509_EXTENSION stack * * sk stack to free nodes in */ void wolfSSL_sk_X509_EXTENSION_free(WOLFSSL_STACK* sk) { WOLFSSL_STACK* node; WOLFSSL_ENTER("wolfSSL_sk_X509_EXTENSION_free"); if (sk == NULL) { return; } /* parse through stack freeing each node */ node = sk->next; while ((node != NULL) && (sk->num > 1)) { WOLFSSL_STACK* tmp = node; node = node->next; wolfSSL_X509_EXTENSION_free(tmp->data.ext); XFREE(tmp, NULL, DYNAMIC_TYPE_X509); sk->num -= 1; } /* free head of stack */ if (sk->num == 1) { wolfSSL_X509_EXTENSION_free(sk->data.ext); } XFREE(sk, NULL, DYNAMIC_TYPE_X509); } static WOLFSSL_STACK* generateExtStack(const WOLFSSL_X509 *x) { int numOfExt, i; WOLFSSL_X509 *x509 = (WOLFSSL_X509*)x; WOLFSSL_STACK* ret; WOLFSSL_STACK* tmp; if (!x509) { WOLFSSL_MSG("Bad parameter"); return NULL; } /* Save x509->ext_sk */ tmp = x509->ext_sk; x509->ext_sk = NULL; numOfExt = wolfSSL_X509_get_ext_count(x509); for (i = 0; i < numOfExt; i++) { /* Build the extension stack */ (void)wolfSSL_X509_set_ext(x509, i); } /* Restore */ ret = x509->ext_sk; x509->ext_sk = tmp; return ret; } /** * @param x Certificate to extract extensions from * @return STACK_OF(X509_EXTENSION)* */ const WOLFSSL_STACK *wolfSSL_X509_get0_extensions(const WOLFSSL_X509 *x) { int numOfExt; WOLFSSL_X509 *x509 = (WOLFSSL_X509*)x; WOLFSSL_ENTER("wolfSSL_X509_get0_extensions"); if (!x509) { WOLFSSL_MSG("Bad parameter"); return NULL; } numOfExt = wolfSSL_X509_get_ext_count(x509); if (numOfExt != wolfSSL_sk_num(x509->ext_sk_full)) { wolfSSL_sk_pop_free(x509->ext_sk_full, NULL); x509->ext_sk_full = generateExtStack(x); } return x509->ext_sk_full; } /** * Caller is responsible for freeing the returned stack. */ const WOLFSSL_STACK *wolfSSL_X509_REQ_get_extensions(const WOLFSSL_X509 *x) { return generateExtStack(x); } /* Gets the X509_EXTENSION* ext based on it's location in WOLFSSL_X509* x509. * * x509 : The X509 structure to look for the extension. * loc : Location of the extension. If the extension is found at the given * location, a new X509_EXTENSION structure is populated with extension-specific * data based on the extension type. * Returns NULL on error or pointer to X509_EXTENSION structure containing the * extension. The returned X509_EXTENSION should not be free'd by caller. * The returned X509_EXTENSION is pushed onto a stack inside the x509 argument. * This is later free'd when x509 is free'd. * * NOTE: for unknown extension NIDs, a X509_EXTENSION is populated with the * extension oid as the ASN1_OBJECT (QT compatibility) */ WOLFSSL_X509_EXTENSION* wolfSSL_X509_get_ext(const WOLFSSL_X509* x509, int loc) { WOLFSSL_X509_EXTENSION* ext = NULL; WOLFSSL_ENTER("wolfSSL_X509_get_ext"); if (x509 == NULL) return NULL; ext = wolfSSL_X509_set_ext((WOLFSSL_X509*) x509, loc); return ext; } int wolfSSL_X509_get_ext_by_OBJ(const WOLFSSL_X509 *x, const WOLFSSL_ASN1_OBJECT *obj, int lastpos) { const WOLF_STACK_OF(WOLFSSL_X509_EXTENSION) *sk; if (!x || !obj) { WOLFSSL_MSG("Bad parameter"); return -1; } sk = wolfSSL_X509_get0_extensions(x); if (!sk) { WOLFSSL_MSG("No extensions"); return -1; } lastpos++; if (lastpos < 0) lastpos = 0; for (; lastpos < wolfSSL_sk_num(sk); lastpos++) if (wolfSSL_OBJ_cmp((WOLFSSL_ASN1_OBJECT*)wolfSSL_sk_value(sk, lastpos), obj) == 0) return lastpos; return -1; } /* Pushes a new X509_EXTENSION* ext onto the stack inside WOLFSSL_X509* x509. * This is currently a helper function for wolfSSL_X509_get_ext * Caller does not free the returned WOLFSSL_X509_EXTENSION* */ WOLFSSL_X509_EXTENSION* wolfSSL_X509_set_ext(WOLFSSL_X509* x509, int loc) { int extCount = 0, length = 0, outSz = 0, sz = 0, ret = 0; int objSz = 0, isSet = 0; const byte* rawCert; const byte* input; byte* oidBuf; word32 oid, idx = 0, tmpIdx = 0, nid; WOLFSSL_X509_EXTENSION* ext = NULL; WOLFSSL_ASN1_INTEGER* a; WOLFSSL_STACK* sk; #ifdef WOLFSSL_SMALL_STACK DecodedCert* cert = NULL; #else DecodedCert cert[1]; #endif WOLFSSL_ENTER("wolfSSL_X509_set_ext"); if(x509 == NULL){ WOLFSSL_MSG("\tNot passed a certificate"); return NULL; } if(loc <0 || (loc > wolfSSL_X509_get_ext_count(x509))){ WOLFSSL_MSG("\tBad location argument"); return NULL; } ext = wolfSSL_X509_EXTENSION_new(); if (ext == NULL) { WOLFSSL_MSG("\tX509_EXTENSION_new() failed"); return NULL; } rawCert = wolfSSL_X509_get_der((WOLFSSL_X509*)x509, &outSz); if (rawCert == NULL) { WOLFSSL_MSG("\tX509_get_der() failed"); wolfSSL_X509_EXTENSION_free(ext); return NULL; } #ifdef WOLFSSL_SMALL_STACK cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert), NULL, DYNAMIC_TYPE_DCERT); if (cert == NULL) { WOLFSSL_MSG("Failed to allocate memory for DecodedCert"); wolfSSL_X509_EXTENSION_free(ext); return NULL; } #endif InitDecodedCert(cert, rawCert, (word32)outSz, 0); if (ParseCert(cert, #ifdef WOLFSSL_CERT_REQ x509->isCSR ? CERTREQ_TYPE : #endif CA_TYPE, NO_VERIFY, NULL) < 0) { WOLFSSL_MSG("\tCertificate parsing failed"); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } input = cert->extensions; sz = cert->extensionsSz; if (input == NULL || sz == 0) { WOLFSSL_MSG("\tfail: should be an EXTENSIONS"); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } #ifdef WOLFSSL_CERT_REQ if (!x509->isCSR) #endif { if (input[idx++] != ASN_EXTENSIONS) { WOLFSSL_MSG("\tfail: should be an EXTENSIONS"); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } if (GetLength(input, &idx, &length, sz) < 0) { WOLFSSL_MSG("\tfail: invalid length"); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } } if (GetSequence(input, &idx, &length, sz) < 0) { WOLFSSL_MSG("\tfail: should be a SEQUENCE (1)"); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } while (idx < (word32)sz) { oid = 0; if (GetSequence(input, &idx, &length, sz) < 0) { WOLFSSL_MSG("\tfail: should be a SEQUENCE"); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } tmpIdx = idx; ret = GetObjectId(input, &idx, &oid, oidCertExtType, sz); if (ret < 0) { WOLFSSL_MSG("\tfail: OBJECT ID"); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } idx = tmpIdx; nid = (word32)oid2nid(oid, oidCertExtType); /* Continue while loop until extCount == loc or idx > sz */ if (extCount != loc) { idx += length; extCount++; continue; } /* extCount == loc. Now get the extension. */ /* Check if extension has been set */ isSet = wolfSSL_X509_ext_isSet_by_NID((WOLFSSL_X509*)x509, nid); ext->obj = wolfSSL_OBJ_nid2obj(nid); if (ext->obj == NULL) { WOLFSSL_MSG("\tfail: Invalid OBJECT"); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } ext->obj->nid = nid; switch (oid) { case BASIC_CA_OID: if (!isSet) break; /* Set pathlength */ a = wolfSSL_ASN1_INTEGER_new(); if (a == NULL) { wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } a->length = x509->pathLength; /* Save ASN1_INTEGER in x509 extension */ ext->obj->pathlen = a; ext->obj->ca = x509->isCa; ext->crit = x509->basicConstCrit; break; case AUTH_INFO_OID: if (!isSet) break; /* Create a stack to hold both the caIssuer and ocsp objects in X509_EXTENSION structure */ sk = wolfSSL_sk_new_asn1_obj(); if (sk == NULL) { WOLFSSL_MSG("Failed to malloc stack"); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } /* Add CaIssuers object to stack */ if (x509->authInfoCaIssuer != NULL && x509->authInfoCaIssuerSz > 0) { WOLFSSL_ASN1_OBJECT* obj; obj = wolfSSL_ASN1_OBJECT_new(); if (obj == NULL) { WOLFSSL_MSG("Error creating ASN1 object"); wolfSSL_sk_ASN1_OBJECT_pop_free(sk, NULL); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } obj->obj = (byte*)x509->authInfoCaIssuer; obj->objSz = x509->authInfoCaIssuerSz; obj->grp = oidCertAuthInfoType; obj->nid = NID_ad_ca_issuers; ret = wolfSSL_sk_ASN1_OBJECT_push(sk, obj); if (ret != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Error pushing ASN1 object onto stack"); wolfSSL_ASN1_OBJECT_free(obj); wolfSSL_sk_ASN1_OBJECT_pop_free(sk, NULL); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } } /* Add OCSP object to stack */ if (x509->authInfo != NULL && x509->authInfoSz > 0) { WOLFSSL_ASN1_OBJECT* obj; obj = wolfSSL_ASN1_OBJECT_new(); if (obj == NULL) { WOLFSSL_MSG("Error creating ASN1 object"); wolfSSL_sk_ASN1_OBJECT_pop_free(sk, NULL); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } obj->obj = x509->authInfo; obj->objSz = x509->authInfoSz; obj->grp = oidCertAuthInfoType; obj->nid = NID_ad_OCSP; ret = wolfSSL_sk_ASN1_OBJECT_push(sk, obj); if (ret != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Error pushing ASN1 object onto stack"); wolfSSL_ASN1_OBJECT_free(obj); wolfSSL_sk_ASN1_OBJECT_pop_free(sk, NULL); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } } ext->ext_sk = sk; ext->crit = x509->authInfoCrit; break; case AUTH_KEY_OID: if (!isSet) break; ret = wolfSSL_ASN1_STRING_set(&ext->value, x509->authKeyId, x509->authKeyIdSz); if (ret != WOLFSSL_SUCCESS) { WOLFSSL_MSG("ASN1_STRING_set() failed"); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } ext->crit = x509->authKeyIdCrit; break; case SUBJ_KEY_OID: if (!isSet) break; ret = wolfSSL_ASN1_STRING_set(&ext->value, x509->subjKeyId, x509->subjKeyIdSz); if (ret != WOLFSSL_SUCCESS) { WOLFSSL_MSG("ASN1_STRING_set() failed"); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } ext->crit = x509->subjKeyIdCrit; break; case CERT_POLICY_OID: if (!isSet) break; ext->crit = x509->certPolicyCrit; break; case KEY_USAGE_OID: if (!isSet) break; ret = wolfSSL_ASN1_STRING_set(&ext->value, (byte*)&(x509->keyUsage), sizeof(word16)); if (ret != WOLFSSL_SUCCESS) { WOLFSSL_MSG("ASN1_STRING_set() failed"); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } ext->crit = x509->keyUsageCrit; break; case EXT_KEY_USAGE_OID: if (!isSet) break; ret = wolfSSL_ASN1_STRING_set(&ext->value, x509->extKeyUsageSrc, x509->extKeyUsageSz); if (ret != WOLFSSL_SUCCESS) { WOLFSSL_MSG("ASN1_STRING_set() failed"); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } ext->crit = x509->keyUsageCrit; break; case CRL_DIST_OID: if (!isSet) break; ext->crit = x509->CRLdistCrit; break; case ALT_NAMES_OID: { WOLFSSL_GENERAL_NAME* gn = NULL; DNS_entry* dns = NULL; if (!isSet) break; #ifdef OPENSSL_ALL ret = wolfSSL_ASN1_STRING_set(&ext->value, x509->subjAltNameSrc, x509->subjAltNameSz); if (ret != WOLFSSL_SUCCESS) { WOLFSSL_MSG("ASN1_STRING_set() failed"); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } #endif sk = (WOLFSSL_GENERAL_NAMES*)XMALLOC( sizeof(WOLFSSL_GENERAL_NAMES), NULL, DYNAMIC_TYPE_ASN1); if (sk == NULL) { wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } XMEMSET(sk, 0, sizeof(WOLFSSL_GENERAL_NAMES)); sk->type = STACK_TYPE_GEN_NAME; if (x509->subjAltNameSet && x509->altNames != NULL) { /* alt names are DNS_entry structs */ dns = x509->altNames; /* Currently only support GEN_DNS type */ while (dns != NULL) { gn = wolfSSL_GENERAL_NAME_new(); if (gn == NULL) { WOLFSSL_MSG("Error creating GENERAL_NAME"); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); wolfSSL_sk_pop_free(sk, NULL); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } gn->type = dns->type; gn->d.ia5->length = dns->len; if (wolfSSL_ASN1_STRING_set(gn->d.ia5, dns->name, gn->d.ia5->length) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("ASN1_STRING_set failed"); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); wolfSSL_GENERAL_NAME_free(gn); wolfSSL_sk_pop_free(sk, NULL); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } dns = dns->next; /* last dns in list add at end of function */ if (dns != NULL) { if (wolfSSL_sk_GENERAL_NAME_push(sk, gn) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Error pushing onto stack"); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); wolfSSL_GENERAL_NAME_free(gn); wolfSSL_sk_pop_free(sk, NULL); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } } } if (wolfSSL_sk_GENERAL_NAME_push(sk,gn) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Error pushing onto stack"); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); wolfSSL_GENERAL_NAME_free(gn); wolfSSL_sk_pop_free(sk, NULL); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } } ext->ext_sk = sk; ext->crit = x509->subjAltNameCrit; break; } default: WOLFSSL_MSG("Unknown extension type found, parsing OID"); /* If the extension type is not recognized/supported, set the ASN1_OBJECT in the extension with the parsed oid for access in later function calls */ /* Get OID from input */ if (GetASNObjectId(input, &idx, &length, sz) != 0) { WOLFSSL_MSG("Failed to Get ASN Object Id"); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } oidBuf = (byte*)XMALLOC(length+1+MAX_LENGTH_SZ, NULL, DYNAMIC_TYPE_TMP_BUFFER); if (oidBuf == NULL) { WOLFSSL_MSG("Failed to malloc tmp buffer"); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } oidBuf[0] = ASN_OBJECT_ID; objSz++; objSz += SetLength(length, oidBuf + 1); objSz += length; /* Set object size and reallocate space in object buffer */ ext->obj->objSz = objSz; if(((ext->obj->dynamic & WOLFSSL_ASN1_DYNAMIC_DATA) != 0) || (ext->obj->obj == NULL)) { ext->obj->obj =(byte*)XREALLOC((byte*)ext->obj->obj, ext->obj->objSz, NULL,DYNAMIC_TYPE_ASN1); if (ext->obj->obj == NULL) { wolfSSL_ASN1_OBJECT_free(ext->obj); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); XFREE(oidBuf, NULL, DYNAMIC_TYPE_TMP_BUFFER); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } ext->obj->dynamic |= WOLFSSL_ASN1_DYNAMIC_DATA; } else { ext->obj->dynamic &= ~WOLFSSL_ASN1_DYNAMIC_DATA; } /* Get OID from input and copy to ASN1_OBJECT buffer */ XMEMCPY(oidBuf+2, input+idx, length); XMEMCPY((byte*)ext->obj->obj, oidBuf, ext->obj->objSz); XFREE(oidBuf, NULL, DYNAMIC_TYPE_TMP_BUFFER); oidBuf = NULL; ext->obj->grp = oidCertExtType; ext->crit = 0; /* Get extension data and copy as ASN1_STRING */ tmpIdx = idx + length; if ((tmpIdx >= (word32)sz) || (input[tmpIdx++] != ASN_OCTET_STRING)) { WOLFSSL_MSG("Error decoding unknown extension data"); wolfSSL_ASN1_OBJECT_free(ext->obj); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } if (GetLength(input, &tmpIdx, &length, sz) <= 0) { WOLFSSL_MSG("Error: Invalid Input Length."); wolfSSL_ASN1_OBJECT_free(ext->obj); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } ext->value.data = (char*)XMALLOC(length, NULL, DYNAMIC_TYPE_ASN1); ext->value.isDynamic = 1; if (ext->value.data == NULL) { WOLFSSL_MSG("Failed to malloc ASN1_STRING data"); wolfSSL_X509_EXTENSION_free(ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return NULL; } XMEMCPY(ext->value.data,input+tmpIdx,length); ext->value.length = length; } /* switch(oid) */ break; /* Got the Extension. Now exit while loop. */ } /* while(idx < sz) */ /* Store the new extension in a stack inside x509 * The extensions on the stack are free'd internally when FreeX509 is called */ if (x509->ext_sk == NULL) x509->ext_sk = wolfSSL_sk_new_x509_ext(); if (x509->ext_sk != NULL) wolfSSL_sk_X509_EXTENSION_push(x509->ext_sk, ext); FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return ext; } /** * @param str String to copy * @param buf Output buffer. If this contains a pointer then it is free'd * with the DYNAMIC_TYPE_X509_EXT hint. * @param len Output length * @return WOLFSSL_SUCCESS on success and WOLFSSL_FAILURE on error */ static int asn1_string_copy_to_buffer(WOLFSSL_ASN1_STRING* str, byte** buf, word32* len, void* heap) { if (!str || !buf || !len) { return WOLFSSL_FAILURE; } if (str->data && str->length > 0) { if (*buf) XFREE(*buf, heap, DYNAMIC_TYPE_X509_EXT); *len = 0; *buf = (byte*)XMALLOC(str->length, heap, DYNAMIC_TYPE_X509_EXT); if (!*buf) { WOLFSSL_MSG("malloc error"); return WOLFSSL_FAILURE; } *len = str->length; XMEMCPY(*buf, str->data, str->length); } (void)heap; return WOLFSSL_SUCCESS; } int wolfSSL_X509_add_ext(WOLFSSL_X509 *x509, WOLFSSL_X509_EXTENSION *ext, int loc) { int nid; WOLFSSL_ENTER("wolfSSL_X509_add_ext"); if (!x509 || !ext || loc >= 0) { WOLFSSL_MSG("Bad parameter"); return WOLFSSL_FAILURE; } nid = (ext->obj != NULL) ? ext->obj->type : ext->value.nid; switch (nid) { case NID_authority_key_identifier: if (x509->authKeyIdSrc != NULL) { /* If authKeyId points into authKeyIdSrc then free it and * revert to old functionality */ XFREE(x509->authKeyIdSrc, x509->heap, DYNAMIC_TYPE_X509_EXT); x509->authKeyIdSrc = NULL; x509->authKeyId = NULL; } if (asn1_string_copy_to_buffer(&ext->value, &x509->authKeyId, &x509->authKeyIdSz, x509->heap) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("asn1_string_copy_to_buffer error"); return WOLFSSL_FAILURE; } x509->authKeyIdCrit = (byte)ext->crit; break; case NID_subject_key_identifier: if (asn1_string_copy_to_buffer(&ext->value, &x509->subjKeyId, &x509->subjKeyIdSz, x509->heap) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("asn1_string_copy_to_buffer error"); return WOLFSSL_FAILURE; } x509->subjKeyIdCrit = (byte)ext->crit; break; case NID_subject_alt_name: { WOLFSSL_GENERAL_NAMES* gns = ext->ext_sk; while (gns) { WOLFSSL_GENERAL_NAME* gn = gns->data.gn; if (!gn || !gn->d.ia5 || wolfSSL_X509_add_altname_ex(x509, gn->d.ia5->data, gn->d.ia5->length, gn->type) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Subject alternative name missing extension"); return WOLFSSL_FAILURE; } gns = gns->next; } x509->subjAltNameSet = 1; x509->subjAltNameCrit = (byte)ext->crit; break; } case NID_key_usage: if (ext && ext->value.data && ext->value.length == sizeof(word16)) { x509->keyUsage = *(word16*)ext->value.data; x509->keyUsageCrit = (byte)ext->crit; x509->keyUsageSet = 1; } break; case NID_basic_constraints: if (ext->obj) { x509->isCa = (byte)ext->obj->ca; x509->basicConstCrit = (byte)ext->crit; if (ext->obj->pathlen) x509->pathLength = ext->obj->pathlen->length; x509->basicConstSet = 1; } break; default: WOLFSSL_MSG("Unsupported extension to add"); return WOLFSSL_FAILURE; } return WOLFSSL_SUCCESS; } #ifndef NO_BIO /* Return 0 on success and 1 on failure. Copies ext data to bio, using indent * to pad the output. flag is ignored. */ int wolfSSL_X509V3_EXT_print(WOLFSSL_BIO *out, WOLFSSL_X509_EXTENSION *ext, unsigned long flag, int indent) { ASN1_OBJECT* obj; ASN1_STRING* str; int nid; int rc = WOLFSSL_FAILURE; char tmp[CTC_NAME_SIZE*2 + 1]; const int tmpSz = sizeof(tmp); int tmpLen = 0; WOLFSSL_ENTER("wolfSSL_X509V3_EXT_print"); if ((out == NULL) || (ext == NULL)) { WOLFSSL_MSG("NULL parameter error"); return rc; } obj = wolfSSL_X509_EXTENSION_get_object(ext); if (obj == NULL) { WOLFSSL_MSG("Error getting ASN1_OBJECT from X509_EXTENSION"); return rc; } str = wolfSSL_X509_EXTENSION_get_data(ext); if (str == NULL) { WOLFSSL_MSG("Error getting ASN1_STRING from X509_EXTENSION"); return rc; } /* Print extension based on the type */ nid = wolfSSL_OBJ_obj2nid(obj); switch (nid) { case BASIC_CA_OID: { char isCa[] = "TRUE"; char notCa[] = "FALSE"; if ((tmpLen = XSNPRINTF(tmp, tmpSz, "%*sCA:%s", indent, "", obj->ca ? isCa : notCa)) >= tmpSz) return rc; break; } case ALT_NAMES_OID: { WOLFSSL_STACK* sk; char* val; int valLen; int len; sk = ext->ext_sk; while (sk != NULL) { if (sk->type == STACK_TYPE_GEN_NAME && sk->data.gn) { /* str is GENERAL_NAME for subject alternative name ext */ str = sk->data.gn->d.ia5; len = str->length + 2; /* + 2 for NULL char and "," */ if (len > tmpSz) { WOLFSSL_MSG("len greater than buffer size"); return rc; } val = (char*)XMALLOC(len + indent, NULL, DYNAMIC_TYPE_TMP_BUFFER); if (val == NULL) { WOLFSSL_MSG("Memory error"); return rc; } if (sk->next) { if ((valLen = XSNPRINTF(val, len, "%*s%s,", indent, "", str->strData)) >= len) return rc; } else { if ((valLen = XSNPRINTF(val, len, "%*s%s", indent, "", str->strData)) >= len) return rc; } if (tmpLen + valLen > tmpSz) { XFREE(val, NULL, DYNAMIC_TYPE_TMP_BUFFER); return rc; } XMEMCPY(tmp + tmpLen, val, valLen); tmpLen += valLen; XFREE(val, NULL, DYNAMIC_TYPE_TMP_BUFFER); } sk = sk->next; } break; } case AUTH_KEY_OID: case SUBJ_KEY_OID: { char* asn1str; asn1str = wolfSSL_i2s_ASN1_STRING(NULL, str); if ((tmpLen = XSNPRINTF( tmp, tmpSz, "%*s%s", indent, "", asn1str)) >= tmpSz) return rc; XFREE(asn1str, NULL, DYNAMIC_TYPE_TMP_BUFFER); break; } case AUTH_INFO_OID: case CERT_POLICY_OID: case CRL_DIST_OID: case KEY_USAGE_OID: WOLFSSL_MSG("X509V3_EXT_print not yet implemented for ext type"); break; default: if ((tmpLen = XSNPRINTF( tmp, tmpSz, "%*s%s", indent, "", str->strData)) >= tmpSz) return rc; } if (wolfSSL_BIO_write(out, tmp, tmpLen) == tmpLen) { rc = WOLFSSL_SUCCESS; } (void) flag; return rc; } #endif /* !NO_BIO */ #ifndef NO_WOLFSSL_STUB int wolfSSL_X509V3_EXT_add_nconf(WOLFSSL_CONF *conf, WOLFSSL_X509V3_CTX *ctx, const char *section, WOLFSSL_X509 *cert) { WOLFSSL_ENTER("wolfSSL_X509V3_EXT_add_nconf"); WOLFSSL_STUB("wolfSSL_X509V3_EXT_add_nconf"); (void)conf; (void)ctx; (void)section; (void)cert; return WOLFSSL_SUCCESS; } #endif /* Returns crit flag in X509_EXTENSION object */ int wolfSSL_X509_EXTENSION_get_critical(const WOLFSSL_X509_EXTENSION* ex) { WOLFSSL_ENTER("wolfSSL_X509_EXTENSION_get_critical"); if (ex == NULL) return BAD_FUNC_ARG; return ex->crit; } /* Sets if the extension is critical * returns WOLFSSL_SUCCESS on success */ int wolfSSL_X509_EXTENSION_set_critical(WOLFSSL_X509_EXTENSION* ex, int crit) { WOLFSSL_ENTER("wolfSSL_X509_EXTENSION_set_critical"); if (ex == NULL) return WOLFSSL_FAILURE; ex->crit = crit; return WOLFSSL_SUCCESS; } /* Creates v3_ext_method for a given X509v3 extension * * ex : The X509_EXTENSION used to create v3_ext_method. If the extension is * not NULL, get the NID of the extension object and populate the * extension type-specific X509V3_EXT_* function(s) in v3_ext_method. * * Returns NULL on error or pointer to the v3_ext_method populated with extension * type-specific X509V3_EXT_* function(s). * * NOTE: NID_subject_key_identifier is currently the only extension implementing * the X509V3_EXT_* functions, as it is the only type called directly by QT. The * other extension types return a pointer to a v3_ext_method struct that contains * only the NID. */ #if defined(OPENSSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= 0x10100000L const WOLFSSL_v3_ext_method* wolfSSL_X509V3_EXT_get(WOLFSSL_X509_EXTENSION* ex) #else WOLFSSL_v3_ext_method* wolfSSL_X509V3_EXT_get(WOLFSSL_X509_EXTENSION* ex) #endif { int nid; WOLFSSL_v3_ext_method method; WOLFSSL_ENTER("wolfSSL_X509V3_EXT_get"); if ((ex == NULL) || (ex->obj == NULL)) { WOLFSSL_MSG("Passed an invalid X509_EXTENSION*"); return NULL; } /* Initialize method to 0 */ XMEMSET(&method, 0, sizeof(struct WOLFSSL_v3_ext_method)); nid = ex->obj->nid; if (nid <= 0) { WOLFSSL_MSG("Failed to get nid from passed extension object"); return NULL; } XMEMSET(&method, 0, sizeof(WOLFSSL_v3_ext_method)); switch (nid) { case NID_basic_constraints: break; case NID_subject_key_identifier: method.i2s = (X509V3_EXT_I2S)wolfSSL_i2s_ASN1_STRING; break; case NID_subject_alt_name: WOLFSSL_MSG("i2v function not yet implemented for Subject Alternative Name"); break; case NID_key_usage: WOLFSSL_MSG("i2v function not yet implemented for Key Usage"); break; case NID_authority_key_identifier: WOLFSSL_MSG("i2v function not yet implemented for Auth Key Id"); break; case NID_info_access: WOLFSSL_MSG("i2v function not yet implemented for Info Access"); break; case NID_ext_key_usage: WOLFSSL_MSG("i2v function not yet implemented for Ext Key Usage"); break; case NID_certificate_policies: WOLFSSL_MSG("r2i function not yet implemented for Cert Policies"); break; case NID_crl_distribution_points: WOLFSSL_MSG("r2i function not yet implemented for CRL Dist Points"); break; default: /* If extension type is unknown, return NULL -- QT makes call to X509_EXTENSION_get_data() if there is no v3_ext_method */ WOLFSSL_MSG("X509V3_EXT_get(): Unknown extension type found"); return NULL; } method.ext_nid = nid; ex->ext_method = method; #if defined(OPENSSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= 0x10100000L return (const WOLFSSL_v3_ext_method*)&ex->ext_method; #else return (WOLFSSL_v3_ext_method*)&ex->ext_method; #endif } /* Parses and returns an x509v3 extension internal structure. * * ext : The X509_EXTENSION for parsing internal structure. If extension is * not NULL, get the NID of the extension object and create a new * extension-specific internal structure based on the extension type. * * Returns NULL on error or if NID is not found, otherwise returns a pointer to * the extension type-specific X509_EXTENSION internal structure. * Return is expected to be free'd by caller. */ void* wolfSSL_X509V3_EXT_d2i(WOLFSSL_X509_EXTENSION* ext) { const WOLFSSL_v3_ext_method* method; int ret; WOLFSSL_ASN1_OBJECT* object; WOLFSSL_BASIC_CONSTRAINTS* bc; WOLFSSL_AUTHORITY_KEYID* akey; WOLFSSL_ASN1_STRING* asn1String, *newString; WOLFSSL_AUTHORITY_INFO_ACCESS* aia; WOLFSSL_STACK* sk; WOLFSSL_ENTER("wolfSSL_X509V3_EXT_d2i"); if(ext == NULL) { WOLFSSL_MSG("Bad function Argument"); return NULL; } /* extract extension info */ method = wolfSSL_X509V3_EXT_get(ext); if (method == NULL) { WOLFSSL_MSG("wolfSSL_X509V3_EXT_get error"); return NULL; } object = wolfSSL_X509_EXTENSION_get_object(ext); if (object == NULL) { WOLFSSL_MSG("X509_EXTENSION_get_object failed"); return NULL; } /* Return pointer to proper internal structure based on NID */ switch (object->type) { /* basicConstraints */ case (NID_basic_constraints): WOLFSSL_MSG("basicConstraints"); /* Allocate new BASIC_CONSTRAINTS structure */ bc = wolfSSL_BASIC_CONSTRAINTS_new(); if (bc == NULL) { WOLFSSL_MSG("Failed to malloc basic constraints"); return NULL; } /* Copy pathlen and CA into BASIC_CONSTRAINTS from object */ bc->ca = object->ca; if (object->pathlen->length > 0) { bc->pathlen = wolfSSL_ASN1_INTEGER_dup(object->pathlen); if (bc->pathlen == NULL) { WOLFSSL_MSG("Failed to duplicate ASN1_INTEGER"); wolfSSL_BASIC_CONSTRAINTS_free(bc); return NULL; } } else bc->pathlen = NULL; return bc; /* subjectKeyIdentifier */ case (NID_subject_key_identifier): WOLFSSL_MSG("subjectKeyIdentifier"); asn1String = wolfSSL_X509_EXTENSION_get_data(ext); if (asn1String == NULL) { WOLFSSL_MSG("X509_EXTENSION_get_data() failed"); return NULL; } newString = wolfSSL_ASN1_STRING_new(); if (newString == NULL) { WOLFSSL_MSG("Failed to malloc ASN1_STRING"); return NULL; } ret = wolfSSL_ASN1_STRING_set(newString, asn1String->data, asn1String->length); if (ret != WOLFSSL_SUCCESS) { WOLFSSL_MSG("ASN1_STRING_set() failed"); wolfSSL_ASN1_STRING_free(newString); return NULL; }; newString->type = asn1String->type; return newString; /* authorityKeyIdentifier */ case (NID_authority_key_identifier): WOLFSSL_MSG("AuthorityKeyIdentifier"); akey = (WOLFSSL_AUTHORITY_KEYID*) XMALLOC(sizeof(WOLFSSL_AUTHORITY_KEYID), NULL, DYNAMIC_TYPE_X509_EXT); if (akey == NULL) { WOLFSSL_MSG("Failed to malloc authority key id"); return NULL; } XMEMSET(akey, 0, sizeof(WOLFSSL_AUTHORITY_KEYID)); akey->keyid = wolfSSL_ASN1_STRING_new(); if (akey->keyid == NULL) { WOLFSSL_MSG("ASN1_STRING_new() failed"); wolfSSL_AUTHORITY_KEYID_free(akey); return NULL; } asn1String = wolfSSL_X509_EXTENSION_get_data(ext); if (asn1String == NULL) { WOLFSSL_MSG("X509_EXTENSION_get_data() failed"); wolfSSL_AUTHORITY_KEYID_free(akey); return NULL; } ret = wolfSSL_ASN1_STRING_set(akey->keyid, asn1String->data, asn1String->length); if (ret != WOLFSSL_SUCCESS) { WOLFSSL_MSG("ASN1_STRING_set() failed"); wolfSSL_AUTHORITY_KEYID_free(akey); return NULL; }; akey->keyid->type = asn1String->type; /* For now, set issuer and serial to NULL. This may need to be updated for future use */ akey->issuer = NULL; akey->serial = NULL; return akey; /* keyUsage */ case (NID_key_usage): WOLFSSL_MSG("keyUsage"); /* This may need to be updated for future use. The i2v method for keyUsage is not currently set. For now, return the ASN1_STRING representation of KeyUsage bit string */ asn1String = wolfSSL_X509_EXTENSION_get_data(ext); if (asn1String == NULL) { WOLFSSL_MSG("X509_EXTENSION_get_data() failed"); return NULL; } newString = wolfSSL_ASN1_STRING_new(); if (newString == NULL) { WOLFSSL_MSG("Failed to malloc ASN1_STRING"); return NULL; } ret = wolfSSL_ASN1_STRING_set(newString, asn1String->data, asn1String->length); if (ret != WOLFSSL_SUCCESS) { WOLFSSL_MSG("ASN1_STRING_set() failed"); wolfSSL_ASN1_STRING_free(newString); return NULL; }; newString->type = asn1String->type; return newString; /* extKeyUsage */ case (NID_ext_key_usage): WOLFSSL_MSG("extKeyUsage not supported yet"); return NULL; /* certificatePolicies */ case (NID_certificate_policies): WOLFSSL_MSG("certificatePolicies not supported yet"); return NULL; /* cRLDistributionPoints */ case (NID_crl_distribution_points): WOLFSSL_MSG("cRLDistributionPoints not supported yet"); return NULL; case NID_subject_alt_name: if (ext->ext_sk == NULL) { WOLFSSL_MSG("Subject alt name stack NULL"); return NULL; } sk = wolfSSL_sk_dup(ext->ext_sk); if (sk == NULL) { WOLFSSL_MSG("Failed to duplicate subject alt names stack."); return NULL; } return sk; /* authorityInfoAccess */ case (NID_info_access): WOLFSSL_MSG("AuthorityInfoAccess"); sk = ext->ext_sk; if (sk == NULL) { WOLFSSL_MSG("ACCESS_DESCRIPTION stack NULL"); return NULL; } /* AUTHORITY_INFO_ACCESS is a stack of ACCESS_DESCRIPTION entries */ aia = wolfSSL_sk_new_null(); if (aia == NULL) { WOLFSSL_MSG("Failed to malloc AUTHORITY_INFO_ACCESS"); return NULL; } aia->type = STACK_TYPE_ACCESS_DESCRIPTION; while (sk) { WOLFSSL_ACCESS_DESCRIPTION* ad; WOLFSSL_ASN1_OBJECT* aiaEntry; if (sk->type != STACK_TYPE_OBJ) { sk = sk->next; continue; } aiaEntry = sk->data.obj; /* ACCESS_DESCRIPTION has two members, method and location. Method: ASN1_OBJECT as either AIA_OCSP_OID or AIA_CA_ISSUER_OID Location: GENERAL_NAME structure containing the URI. */ ad = (WOLFSSL_ACCESS_DESCRIPTION*) XMALLOC(sizeof(WOLFSSL_ACCESS_DESCRIPTION), NULL, DYNAMIC_TYPE_X509_EXT); if (ad == NULL) { WOLFSSL_MSG("Failed to malloc ACCESS_DESCRIPTION"); XFREE(aia, NULL, DYNAMIC_TYPE_X509_EXT); return NULL; } XMEMSET(ad, 0, sizeof(WOLFSSL_ACCESS_DESCRIPTION)); /* Create new ASN1_OBJECT from oid */ ad->method = wolfSSL_OBJ_nid2obj(aiaEntry->nid); if (ad->method == NULL) { WOLFSSL_MSG("OBJ_nid2obj() failed"); XFREE(aia, NULL, DYNAMIC_TYPE_X509_EXT); XFREE(ad, NULL, DYNAMIC_TYPE_X509_EXT); return NULL; } /* Allocate memory for GENERAL NAME */ ad->location = wolfSSL_GENERAL_NAME_new(); if (ad->location == NULL) { WOLFSSL_MSG("Failed to malloc GENERAL_NAME"); wolfSSL_ASN1_OBJECT_free(ad->method); XFREE(aia, NULL, DYNAMIC_TYPE_X509_EXT); XFREE(ad, NULL, DYNAMIC_TYPE_X509_EXT); return NULL; } ret = wolfSSL_GENERAL_NAME_set_type(ad->location, GEN_URI); if (ret != WOLFSSL_SUCCESS) { wolfSSL_ASN1_OBJECT_free(ad->method); XFREE(aia, NULL, DYNAMIC_TYPE_X509_EXT); wolfSSL_GENERAL_NAME_free(ad->location); XFREE(ad, NULL, DYNAMIC_TYPE_X509_EXT); return NULL; } /* Set the URI in GENERAL_NAME */ ret = wolfSSL_ASN1_STRING_set( ad->location->d.uniformResourceIdentifier, aiaEntry->obj, aiaEntry->objSz); if (ret != WOLFSSL_SUCCESS) { WOLFSSL_MSG("ASN1_STRING_set() failed"); wolfSSL_ASN1_OBJECT_free(ad->method); XFREE(aia, NULL, DYNAMIC_TYPE_X509_EXT); wolfSSL_GENERAL_NAME_free(ad->location); XFREE(ad, NULL, DYNAMIC_TYPE_X509_EXT); return NULL; } /* Push to AUTHORITY_INFO_ACCESS stack */ ret = wolfSSL_sk_ACCESS_DESCRIPTION_push(aia, ad); if (ret != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Error pushing ASN1 AD onto stack"); wolfSSL_sk_ACCESS_DESCRIPTION_pop_free(aia, NULL); wolfSSL_ASN1_OBJECT_free(ad->method); wolfSSL_GENERAL_NAME_free(ad->location); XFREE(aia, NULL, DYNAMIC_TYPE_X509_EXT); XFREE(ad, NULL, DYNAMIC_TYPE_X509_EXT); return NULL; } sk = sk->next; } return aia; default: WOLFSSL_MSG("Extension NID not in table, returning NULL"); break; } return NULL; } /* Looks for the extension matching the passed in nid * * x509 : certificate to get parse through for extension. * nid : Extension OID to be found. * lastPos : Start search from extension after lastPos. * Set to -1 to search from index 0. * return >= 0 If successful the extension index is returned. * return -1 If extension is not found or error is encountered. */ int wolfSSL_X509_get_ext_by_NID(const WOLFSSL_X509* x509, int nid, int lastPos) { int extCount = 0, length = 0, outSz = 0, sz = 0, ret = 0; int isSet = 0, found = 0, loc; const byte* rawCert; const byte* input; word32 oid, idx = 0, tmpIdx = 0, foundNID; #ifdef WOLFSSL_SMALL_STACK DecodedCert *cert; #else DecodedCert cert[1]; #endif WOLFSSL_ENTER("wolfSSL_X509_get_ext_by_NID"); if(x509 == NULL){ WOLFSSL_MSG("\tNot passed a certificate"); return WOLFSSL_FATAL_ERROR; } if(lastPos < -1 || (lastPos > (wolfSSL_X509_get_ext_count(x509) - 1))){ WOLFSSL_MSG("\tBad location argument"); return WOLFSSL_FATAL_ERROR; } loc = lastPos + 1; rawCert = wolfSSL_X509_get_der((WOLFSSL_X509*)x509, &outSz); if (rawCert == NULL) { WOLFSSL_MSG("\tX509_get_der() failed"); return WOLFSSL_FATAL_ERROR; } #ifdef WOLFSSL_SMALL_STACK cert = (DecodedCert *)XMALLOC(sizeof(*cert), x509->heap, DYNAMIC_TYPE_DCERT); if (cert == NULL) { WOLFSSL_MSG("\tout of memory"); return WOLFSSL_FATAL_ERROR; } #endif InitDecodedCert( cert, rawCert, (word32)outSz, 0); if (ParseCert(cert, #ifdef WOLFSSL_CERT_REQ x509->isCSR ? CERTREQ_TYPE : #endif CA_TYPE, NO_VERIFY, NULL) < 0) { WOLFSSL_MSG("\tCertificate parsing failed"); goto out; } input = cert->extensions; sz = cert->extensionsSz; if (input == NULL || sz == 0) { WOLFSSL_MSG("\tfail: should be an EXTENSIONS"); goto out; } #ifdef WOLFSSL_CERT_REQ if (!x509->isCSR) #endif { if (input[idx++] != ASN_EXTENSIONS) { WOLFSSL_MSG("\tfail: should be an EXTENSIONS"); goto out; } if (GetLength(input, &idx, &length, sz) < 0) { WOLFSSL_MSG("\tfail: invalid length"); goto out; } } if (GetSequence(input, &idx, &length, sz) < 0) { WOLFSSL_MSG("\tfail: should be a SEQUENCE (1)"); goto out; } while (idx < (word32)sz) { oid = 0; if (GetSequence(input, &idx, &length, sz) < 0) { WOLFSSL_MSG("\tfail: should be a SEQUENCE"); goto out; } tmpIdx = idx; ret = GetObjectId(input, &idx, &oid, oidCertExtType, sz); if (ret < 0) { WOLFSSL_MSG("\tfail: OBJECT ID"); goto out; } idx = tmpIdx; foundNID = (word32)oid2nid(oid, oidCertExtType); if (extCount >= loc) { /* extCount >= loc. Now check if extension has been set */ isSet = wolfSSL_X509_ext_isSet_by_NID((WOLFSSL_X509*)x509, foundNID); if (isSet && ((word32)nid == foundNID)) { found = 1; break; } } idx += length; extCount++; } /* while(idx < sz) */ out: FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, x509->heap, DYNAMIC_TYPE_DCERT); #endif return found ? extCount : WOLFSSL_FATAL_ERROR; } #endif /* OPENSSL_ALL */ #if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL) /* Looks for the extension matching the passed in nid * * c : if not null then is set to status value -2 if multiple occurrences * of the extension are found, -1 if not found, 0 if found and not * critical, and 1 if found and critical. * nid : Extension OID to be found. * idx : if NULL return first extension found match, otherwise start search at * idx location and set idx to the location of extension returned. * returns NULL or a pointer to an WOLFSSL_ASN1_BIT_STRING (for KEY_USAGE_OID) * or WOLFSSL_STACK (for other) * holding extension structure * * NOTE code for decoding extensions is in asn.c DecodeCertExtensions -- * use already decoded extension in this function to avoid decoding twice. * Currently we do not make use of idx since getting pre decoded extensions. */ void* wolfSSL_X509_get_ext_d2i(const WOLFSSL_X509* x509, int nid, int* c, int* idx) { void* ret = NULL; WOLFSSL_STACK* sk = NULL; WOLFSSL_ASN1_OBJECT* obj = NULL; WOLFSSL_GENERAL_NAME* gn = NULL; #ifdef OPENSSL_EXTRA WOLFSSL_DIST_POINT* dp = NULL; #endif WOLFSSL_BASIC_CONSTRAINTS* bc = NULL; WOLFSSL_ENTER("wolfSSL_X509_get_ext_d2i"); if (x509 == NULL) { return NULL; } if (c != NULL) { *c = -1; /* default to not found */ } switch (nid) { case BASIC_CA_OID: if (x509->basicConstSet) { WOLFSSL_ASN1_INTEGER* a; bc = wolfSSL_BASIC_CONSTRAINTS_new(); if (!bc) { WOLFSSL_MSG("wolfSSL_BASIC_CONSTRAINTS_new error"); return NULL; } a = wolfSSL_ASN1_INTEGER_new(); if (!a) { WOLFSSL_MSG("wolfSSL_ASN1_INTEGER_new error"); wolfSSL_BASIC_CONSTRAINTS_free(bc); return NULL; } a->length = x509->pathLength; #if defined(OPENSSL_ALL) || defined(WOLFSSL_QT) || \ defined(WOLFSSL_APACHE_HTTPD) bc->ca = x509->isCa; #endif bc->pathlen = a; if (c != NULL) { *c = x509->basicConstCrit; } } else { WOLFSSL_MSG("No Basic Constraint set"); } return bc; case ALT_NAMES_OID: { DNS_entry* dns = NULL; if (x509->subjAltNameSet && x509->altNames != NULL) { /* Malloc GENERAL_NAME stack */ sk = wolfSSL_sk_new_null(); if (sk == NULL) return NULL; sk->type = STACK_TYPE_GEN_NAME; /* alt names are DNS_entry structs */ if (c != NULL) { if (x509->altNames->next != NULL) { *c = -2; /* more then one found */ } else { *c = x509->subjAltNameCrit; } } dns = x509->altNames; /* Currently only support GEN_DNS type */ while (dns != NULL) { gn = wolfSSL_GENERAL_NAME_new(); if (gn == NULL) { WOLFSSL_MSG("Error creating GENERAL_NAME"); goto err; } gn->type = dns->type; switch (gn->type) { case ASN_DIR_TYPE: { int localIdx = 0; unsigned char* n = (unsigned char*)XMALLOC( dns->len + MAX_SEQ_SZ, x509->heap, DYNAMIC_TYPE_TMP_BUFFER); if (n == NULL) { goto err; } localIdx += SetSequence(dns->len, n); XMEMCPY(n + localIdx, dns->name, dns->len); gn->d.dirn = wolfSSL_d2i_X509_NAME(NULL, &n, dns->len + localIdx); XFREE(n, x509->heap, DYNAMIC_TYPE_TMP_BUFFER); if (gn->d.dirn == NULL) { WOLFSSL_MSG("Convert altDirName to X509 " "NAME failed"); goto err; } } break; default: if (wolfSSL_ASN1_STRING_set(gn->d.ia5, dns->name, dns->len) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("ASN1_STRING_set failed"); goto err; } } dns = dns->next; if (wolfSSL_sk_GENERAL_NAME_push(sk, gn) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Error pushing ASN1 object onto stack"); goto err; } /* null so that it doesn't get pushed again after switch */ gn = NULL; } } else { WOLFSSL_MSG("No Alt Names set"); } break; } case CRL_DIST_OID: #if defined(OPENSSL_EXTRA) if (x509->CRLdistSet && x509->CRLInfo != NULL) { if (c != NULL) { *c = x509->CRLdistCrit; } sk = wolfSSL_sk_new_null(); if (sk == NULL) { return NULL; } sk->type = STACK_TYPE_DIST_POINT; gn = wolfSSL_GENERAL_NAME_new(); if (gn == NULL) { WOLFSSL_MSG("Error creating GENERAL_NAME"); goto err; } if (wolfSSL_GENERAL_NAME_set_type(gn, GEN_URI) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Error setting GENERAL_NAME type"); goto err; } if (wolfSSL_ASN1_STRING_set(gn->d.uniformResourceIdentifier, x509->CRLInfo, x509->CRLInfoSz) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("ASN1_STRING_set failed"); goto err; } /* wolfSSL only decodes one dist point */ dp = wolfSSL_DIST_POINT_new(); if (dp == NULL) { WOLFSSL_MSG("Error creating DIST_POINT"); goto err; } /* push GENERAL_NAME onto fullname stack */ if (wolfSSL_sk_GENERAL_NAME_push(dp->distpoint->name.fullname, gn) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("wolfSSL_sk_GENERAL_NAME_push error"); goto err; } /* push DIST_POINT onto stack */ if (wolfSSL_sk_DIST_POINT_push(sk, dp) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Error pushing DIST_POINT onto stack"); goto err; } gn = NULL; dp = NULL; } else { WOLFSSL_MSG("No CRL dist set"); } #endif /* OPENSSL_EXTRA */ break; case AUTH_INFO_OID: if (x509->authInfoSet && x509->authInfo != NULL) { if (c != NULL) { *c = x509->authInfoCrit; } obj = wolfSSL_ASN1_OBJECT_new(); if (obj == NULL) { WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct"); return NULL; } obj->type = AUTH_INFO_OID; obj->grp = oidCertExtType; obj->obj = x509->authInfo; obj->objSz = x509->authInfoSz; } else { WOLFSSL_MSG("No Auth Info set"); } break; case AUTH_KEY_OID: if (x509->authKeyIdSet) { WOLFSSL_AUTHORITY_KEYID* akey = wolfSSL_AUTHORITY_KEYID_new(); if (!akey) { WOLFSSL_MSG("Issue creating WOLFSSL_AUTHORITY_KEYID struct"); return NULL; } if (c != NULL) { *c = x509->authKeyIdCrit; } obj = wolfSSL_ASN1_OBJECT_new(); if (obj == NULL) { WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct"); wolfSSL_AUTHORITY_KEYID_free(akey); return NULL; } obj->type = AUTH_KEY_OID; obj->grp = oidCertExtType; obj->obj = x509->authKeyId; obj->objSz = x509->authKeyIdSz; akey->issuer = obj; return akey; } else { WOLFSSL_MSG("No Auth Key set"); } break; case SUBJ_KEY_OID: if (x509->subjKeyIdSet) { if (c != NULL) { *c = x509->subjKeyIdCrit; } obj = wolfSSL_ASN1_OBJECT_new(); if (obj == NULL) { WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct"); return NULL; } obj->type = SUBJ_KEY_OID; obj->grp = oidCertExtType; obj->obj = x509->subjKeyId; obj->objSz = x509->subjKeyIdSz; } else { WOLFSSL_MSG("No Subject Key set"); } break; case CERT_POLICY_OID: { #ifdef WOLFSSL_CERT_EXT int i; if (x509->certPoliciesNb > 0) { if (c != NULL) { if (x509->certPoliciesNb > 1) { *c = -2; } else { *c = 0; } } sk = wolfSSL_sk_new_asn1_obj(); if (sk == NULL) { return NULL; } for (i = 0; i < x509->certPoliciesNb - 1; i++) { obj = wolfSSL_ASN1_OBJECT_new(); if (obj == NULL) { WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct"); wolfSSL_sk_ASN1_OBJECT_pop_free(sk, NULL); return NULL; } obj->type = CERT_POLICY_OID; obj->grp = oidCertExtType; obj->obj = (byte*)(x509->certPolicies[i]); obj->objSz = MAX_CERTPOL_SZ; if (wolfSSL_sk_ASN1_OBJECT_push(sk, obj) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Error pushing ASN1 object onto stack"); wolfSSL_ASN1_OBJECT_free(obj); wolfSSL_sk_ASN1_OBJECT_pop_free(sk, NULL); sk = NULL; } } obj = wolfSSL_ASN1_OBJECT_new(); if (obj == NULL) { WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct"); wolfSSL_sk_ASN1_OBJECT_pop_free(sk, NULL); return NULL; } obj->type = CERT_POLICY_OID; obj->grp = oidCertExtType; obj->obj = (byte*)(x509->certPolicies[i]); obj->objSz = MAX_CERTPOL_SZ; } else { WOLFSSL_MSG("No Cert Policy set"); } #elif defined(WOLFSSL_SEP) if (x509->certPolicySet) { if (c != NULL) { *c = x509->certPolicyCrit; } obj = wolfSSL_ASN1_OBJECT_new(); if (obj == NULL) { WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct"); return NULL; } obj->type = CERT_POLICY_OID; obj->grp = oidCertExtType; } else { WOLFSSL_MSG("No Cert Policy set"); } #else WOLFSSL_MSG("wolfSSL not built with WOLFSSL_SEP or WOLFSSL_CERT_EXT"); #endif break; } case KEY_USAGE_OID: { WOLFSSL_ASN1_STRING* asn1str = NULL; if (x509->keyUsageSet) { if (c != NULL) { *c = x509->keyUsageCrit; } asn1str = wolfSSL_ASN1_STRING_new(); if (asn1str == NULL) { WOLFSSL_MSG("Failed to malloc ASN1_STRING"); return NULL; } if (wolfSSL_ASN1_STRING_set(asn1str, &x509->keyUsage, sizeof(word16)) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("wolfSSL_ASN1_STRING_set error"); wolfSSL_ASN1_STRING_free(asn1str); return NULL; } asn1str->type = KEY_USAGE_OID; } else { WOLFSSL_MSG("No Key Usage set"); } /* don't add stack of and return bit string directly */ return asn1str; } case INHIBIT_ANY_OID: WOLFSSL_MSG("INHIBIT ANY extension not supported"); break; case EXT_KEY_USAGE_OID: if (x509->extKeyUsageSrc != NULL) { if (c != NULL) { if (x509->extKeyUsageCount > 1) { *c = -2; } else { *c = x509->extKeyUsageCrit; } } obj = wolfSSL_ASN1_OBJECT_new(); if (obj == NULL) { WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct"); return NULL; } obj->type = EXT_KEY_USAGE_OID; obj->grp = oidCertExtType; obj->obj = x509->extKeyUsageSrc; obj->objSz = x509->extKeyUsageSz; } else { WOLFSSL_MSG("No Extended Key Usage set"); } break; case NAME_CONS_OID: WOLFSSL_MSG("Name Constraint OID extension not supported"); break; case PRIV_KEY_USAGE_PERIOD_OID: WOLFSSL_MSG("Private Key Usage Period extension not supported"); break; case SUBJ_INFO_ACC_OID: WOLFSSL_MSG("Subject Info Access extension not supported"); break; case POLICY_MAP_OID: WOLFSSL_MSG("Policy Map extension not supported"); break; case POLICY_CONST_OID: WOLFSSL_MSG("Policy Constraint extension not supported"); break; case ISSUE_ALT_NAMES_OID: WOLFSSL_MSG("Issue Alt Names extension not supported"); break; case TLS_FEATURE_OID: WOLFSSL_MSG("TLS Feature extension not supported"); break; default: WOLFSSL_MSG("Unsupported/Unknown extension OID"); } /* make sure stack of is allocated */ if ((obj || gn) && sk == NULL) { sk = wolfSSL_sk_new_asn1_obj(); if (sk == NULL) { goto err; } } if (obj) { if (wolfSSL_sk_ASN1_OBJECT_push(sk, obj) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Error pushing ASN1_OBJECT object onto " "stack."); goto err; } } ret = sk; (void)idx; return ret; err: if (obj) { wolfSSL_ASN1_OBJECT_free(obj); } if (gn) { wolfSSL_GENERAL_NAME_free(gn); } #ifdef OPENSSL_EXTRA if (dp) { wolfSSL_DIST_POINT_free(dp); } #endif if (sk) { wolfSSL_sk_free(sk); } return NULL; } #endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */ #ifdef OPENSSL_EXTRA int wolfSSL_X509_add_altname_ex(WOLFSSL_X509* x509, const char* name, word32 nameSz, int type) { DNS_entry* newAltName = NULL; char* nameCopy = NULL; if (x509 == NULL) return WOLFSSL_FAILURE; if ((name == NULL) || (nameSz == 0)) return WOLFSSL_SUCCESS; newAltName = AltNameNew(x509->heap); if (newAltName == NULL) return WOLFSSL_FAILURE; nameCopy = (char*)XMALLOC(nameSz + 1, x509->heap, DYNAMIC_TYPE_ALTNAME); if (nameCopy == NULL) { XFREE(newAltName, x509->heap, DYNAMIC_TYPE_ALTNAME); return WOLFSSL_FAILURE; } XMEMCPY(nameCopy, name, nameSz); nameCopy[nameSz] = '\0'; newAltName->next = x509->altNames; newAltName->type = type; newAltName->len = nameSz; newAltName->name = nameCopy; x509->altNames = newAltName; return WOLFSSL_SUCCESS; } int wolfSSL_X509_add_altname(WOLFSSL_X509* x509, const char* name, int type) { word32 nameSz; if (name == NULL) return WOLFSSL_SUCCESS; nameSz = (word32)XSTRLEN(name); if (nameSz == 0) return WOLFSSL_SUCCESS; if (type == ASN_IP_TYPE) { WOLFSSL_MSG("Type not supported, use wolfSSL_X509_add_altname_ex"); return WOLFSSL_FAILURE; } return wolfSSL_X509_add_altname_ex(x509, name, nameSz, type); } #ifndef NO_WOLFSSL_STUB WOLFSSL_X509_EXTENSION *wolfSSL_X509_delete_ext(WOLFSSL_X509 *x509, int loc) { WOLFSSL_STUB("wolfSSL_X509_delete_ext"); (void)x509; (void)loc; return NULL; } /* currently LHASH is not implemented (and not needed for Apache port) */ WOLFSSL_X509_EXTENSION* wolfSSL_X509V3_EXT_conf_nid( WOLF_LHASH_OF(CONF_VALUE)* conf, WOLFSSL_X509V3_CTX* ctx, int nid, char* value) { WOLFSSL_STUB("wolfSSL_X509V3_EXT_conf_nid"); if (conf != NULL) { WOLFSSL_MSG("Handling LHASH not implemented yet"); return NULL; } (void)conf; (void)ctx; (void)nid; (void)value; return NULL; } void wolfSSL_X509V3_set_ctx_nodb(WOLFSSL_X509V3_CTX* ctx) { WOLFSSL_STUB("wolfSSL_X509V3_set_ctx_nodb"); (void)ctx; } #endif /* !NO_WOLFSSL_STUB */ #ifdef OPENSSL_EXTRA static WOLFSSL_X509_EXTENSION* createExtFromStr(int nid, const char *value) { WOLFSSL_X509_EXTENSION* ext; if (value == NULL) return NULL; ext = wolfSSL_X509_EXTENSION_new(); if (ext == NULL) { WOLFSSL_MSG("memory error"); return NULL; } ext->value.nid = nid; switch (nid) { case NID_subject_key_identifier: case NID_authority_key_identifier: if (wolfSSL_ASN1_STRING_set(&ext->value, value, -1) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("wolfSSL_ASN1_STRING_set error"); goto err_cleanup; } ext->value.type = CTC_UTF8; break; case NID_subject_alt_name: { WOLFSSL_GENERAL_NAMES* gns; WOLFSSL_GENERAL_NAME* gn; if (wolfSSL_ASN1_STRING_set(&ext->value, value, -1) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("wolfSSL_ASN1_STRING_set error"); goto err_cleanup; } ext->value.type = ASN_DNS_TYPE; /* add stack of general names */ gns = wolfSSL_sk_new_null(); if (gns == NULL) { WOLFSSL_MSG("wolfSSL_sk_new_null error"); goto err_cleanup; } ext->ext_sk = gns; /* wolfSSL_X509_EXTENSION_free will handle * free'ing gns */ gns->type = STACK_TYPE_GEN_NAME; gn = wolfSSL_GENERAL_NAME_new(); if (gn == NULL) { WOLFSSL_MSG("wolfSSL_GENERAL_NAME_new error"); goto err_cleanup; } if (wolfSSL_sk_GENERAL_NAME_push(gns, gn) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("wolfSSL_sk_GENERAL_NAME_push error"); wolfSSL_GENERAL_NAME_free(gn); goto err_cleanup; } if (wolfSSL_ASN1_STRING_set(gn->d.ia5, value, -1) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("wolfSSL_ASN1_STRING_set failed"); goto err_cleanup; } gn->type = ASN_DNS_TYPE; break; } case NID_key_usage: if (wolfSSL_ASN1_STRING_set(&ext->value, value, -1) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("wolfSSL_ASN1_STRING_set error"); goto err_cleanup; } ext->value.type = KEY_USAGE_OID; break; default: WOLFSSL_MSG("invalid or unsupported NID"); goto err_cleanup; } return ext; err_cleanup: wolfSSL_X509_EXTENSION_free(ext); return NULL; } /** * Create a WOLFSSL_X509_EXTENSION from the input arguments. * @param conf Not used * @param ctx Not used * @param nid Interprets the value parameter as the x509 extension that * corresponds to this NID. * @param value A NULL terminated string that is taken as the value of the * newly created extension object. * @return WOLFSSL_X509_EXTENSION* on success or NULL on failure. */ WOLFSSL_X509_EXTENSION* wolfSSL_X509V3_EXT_nconf_nid(WOLFSSL_CONF* conf, WOLFSSL_X509V3_CTX *ctx, int nid, const char *value) { WOLFSSL_ENTER("wolfSSL_X509V3_EXT_nconf_nid"); if (value == NULL) { WOLFSSL_MSG("value NULL parameter"); return NULL; } if (conf != NULL || ctx != NULL) { WOLFSSL_MSG("wolfSSL_X509V3_EXT_nconf_nid does not handle either " "conf or ctx parameters"); } return createExtFromStr(nid, value); } /** * Create a WOLFSSL_X509_EXTENSION from the input arguments. * @param conf Not used * @param ctx Not used * @param sName The textual representation of the NID that the value parameter * should be interpreted as. * @param value A NULL terminated string that is taken as the value of the * newly created extension object. * @return WOLFSSL_X509_EXTENSION* on success or NULL on failure. */ WOLFSSL_X509_EXTENSION* wolfSSL_X509V3_EXT_nconf(WOLFSSL_CONF *conf, WOLFSSL_X509V3_CTX *ctx, const char *sName, const char *value) { const WOLFSSL_ObjectInfo* info = wolfssl_object_info; size_t i; WOLFSSL_ENTER("wolfSSL_X509V3_EXT_nconf"); if (value == NULL) { WOLFSSL_MSG("value NULL parameter"); return NULL; } if (conf != NULL || ctx != NULL) { WOLFSSL_MSG("wolfSSL_X509V3_EXT_nconf does not handle either " "conf or ctx parameters"); } for (i = 0; i < wolfssl_object_info_sz; i++, info++) { if (XSTRCMP(info->sName, sName) == 0) return createExtFromStr(info->nid, value); } WOLFSSL_MSG("value didn't match any known NID"); return NULL; } static void wolfSSL_X509V3_EXT_METHOD_populate(WOLFSSL_v3_ext_method *method, int nid) { if (!method) return; WOLFSSL_ENTER("wolfSSL_X509V3_EXT_METHOD_populate"); switch (nid) { case NID_subject_key_identifier: method->i2s = (X509V3_EXT_I2S)wolfSSL_i2s_ASN1_STRING; FALL_THROUGH; case NID_authority_key_identifier: case NID_key_usage: case NID_certificate_policies: case NID_policy_mappings: case NID_subject_alt_name: case NID_issuer_alt_name: case NID_basic_constraints: case NID_name_constraints: case NID_policy_constraints: case NID_ext_key_usage: case NID_crl_distribution_points: case NID_inhibit_any_policy: case NID_info_access: WOLFSSL_MSG("Nothing to populate for current NID"); break; default: WOLFSSL_MSG("Unknown or unsupported NID"); break; } return; } /** * @param nid One of the NID_* constants defined in asn.h * @param crit * @param data This data is copied to the returned extension. * @return */ WOLFSSL_X509_EXTENSION *wolfSSL_X509V3_EXT_i2d(int nid, int crit, void *data) { WOLFSSL_X509_EXTENSION *ext = NULL; WOLFSSL_ASN1_STRING* asn1str = NULL; WOLFSSL_ENTER("wolfSSL_X509V3_EXT_i2d"); if (!data) { return NULL; } if (!(ext = wolfSSL_X509_EXTENSION_new())) { return NULL; } wolfSSL_X509V3_EXT_METHOD_populate(&ext->ext_method, nid); switch (nid) { case NID_subject_key_identifier: /* WOLFSSL_ASN1_STRING */ case NID_key_usage: /* WOLFSSL_ASN1_STRING */ { asn1str = (WOLFSSL_ASN1_STRING*)data; ext->value = *asn1str; if (asn1str->isDynamic) { ext->value.data = (char*)XMALLOC(asn1str->length, NULL, DYNAMIC_TYPE_OPENSSL); if (!ext->value.data) { WOLFSSL_MSG("malloc failed"); /* Zero so that no existing memory is freed */ XMEMSET(&ext->value, 0, sizeof(WOLFSSL_ASN1_STRING)); goto err_cleanup; } XMEMCPY(ext->value.data, asn1str->data, asn1str->length); } else { ext->value.data = ext->value.strData; } if (!(ext->obj = wolfSSL_OBJ_nid2obj(nid))) { WOLFSSL_MSG("wolfSSL_ASN1_OBJECT_new failed"); goto err_cleanup; } break; } case NID_subject_alt_name: /* typedef STACK_OF(GENERAL_NAME) GENERAL_NAMES */ case NID_issuer_alt_name: /* typedef STACK_OF(GENERAL_NAME) GENERAL_NAMES */ case NID_ext_key_usage: /* typedef STACK_OF(ASN1_OBJECT) EXTENDED_KEY_USAGE */ case NID_info_access: /* typedef STACK_OF(ACCESS_DESCRIPTION) AUTHORITY_INFO_ACCESS */ { WOLFSSL_STACK* sk = (WOLFSSL_STACK*)data; if (ext->ext_sk) { wolfSSL_sk_pop_free(ext->ext_sk, NULL); } if (!(ext->ext_sk = wolfSSL_sk_dup(sk))) { WOLFSSL_MSG("wolfSSL_sk_dup failed"); goto err_cleanup; } break; } case NID_basic_constraints: { /* WOLFSSL_BASIC_CONSTRAINTS */ WOLFSSL_BASIC_CONSTRAINTS* bc = (WOLFSSL_BASIC_CONSTRAINTS*)data; if (!(ext->obj = wolfSSL_ASN1_OBJECT_new())) { WOLFSSL_MSG("wolfSSL_ASN1_OBJECT_new failed"); goto err_cleanup; } ext->obj->ca = bc->ca; if (bc->pathlen) { ext->obj->pathlen = wolfSSL_ASN1_INTEGER_dup(bc->pathlen); if (!ext->obj->pathlen) { WOLFSSL_MSG("wolfSSL_ASN1_INTEGER_dup failed"); goto err_cleanup; } } break; } case NID_authority_key_identifier: { /* AUTHORITY_KEYID */ WOLFSSL_AUTHORITY_KEYID* akey = (WOLFSSL_AUTHORITY_KEYID*)data; if (akey->keyid) { if (wolfSSL_ASN1_STRING_set(&ext->value, akey->keyid->data, akey->keyid->length) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("wolfSSL_ASN1_STRING_set failed"); goto err_cleanup; } ext->value.type = akey->keyid->type; if (!(ext->obj = wolfSSL_OBJ_nid2obj(nid))) { WOLFSSL_MSG("wolfSSL_ASN1_OBJECT_new failed"); goto err_cleanup; } } else if (akey->issuer) { ext->obj = wolfSSL_ASN1_OBJECT_dup(akey->issuer); if (!ext->obj) { WOLFSSL_MSG("wolfSSL_ASN1_OBJECT_dup failed"); goto err_cleanup; } } else { WOLFSSL_MSG("NID_authority_key_identifier empty data"); goto err_cleanup; } break; } case NID_inhibit_any_policy: /* ASN1_INTEGER */ case NID_certificate_policies: /* STACK_OF(POLICYINFO) */ case NID_policy_mappings: /* STACK_OF(POLICY_MAPPING) */ case NID_name_constraints: /* NAME_CONSTRAINTS */ case NID_policy_constraints: /* POLICY_CONSTRAINTS */ case NID_crl_distribution_points: /* typedef STACK_OF(DIST_POINT) CRL_DIST_POINTS */ default: WOLFSSL_MSG("Unknown or unsupported NID"); break; } ext->crit = crit; return ext; err_cleanup: if (ext) { wolfSSL_X509_EXTENSION_free(ext); } if (asn1str) { wolfSSL_ASN1_STRING_free(asn1str); } return NULL; } /* Returns pointer to ASN1_OBJECT from an X509_EXTENSION object */ WOLFSSL_ASN1_OBJECT* wolfSSL_X509_EXTENSION_get_object \ (WOLFSSL_X509_EXTENSION* ext) { WOLFSSL_ENTER("wolfSSL_X509_EXTENSION_get_object"); if(ext == NULL) return NULL; return ext->obj; } /** * duplicates the 'obj' input and sets it into the 'ext' structure * returns WOLFSSL_SUCCESS on success */ int wolfSSL_X509_EXTENSION_set_object(WOLFSSL_X509_EXTENSION* ext, const WOLFSSL_ASN1_OBJECT* obj) { WOLFSSL_ASN1_OBJECT *current; WOLFSSL_ENTER("wolfSSL_X509_EXTENSION_set_object"); if (ext == NULL) return WOLFSSL_FAILURE; current = wolfSSL_X509_EXTENSION_get_object(ext); if (current != NULL) { wolfSSL_ASN1_OBJECT_free(current); } ext->obj = wolfSSL_ASN1_OBJECT_dup((WOLFSSL_ASN1_OBJECT*)obj); return WOLFSSL_SUCCESS; } #endif /* OPENSSL_ALL */ /* Returns pointer to ASN1_STRING in X509_EXTENSION object */ WOLFSSL_ASN1_STRING* wolfSSL_X509_EXTENSION_get_data(WOLFSSL_X509_EXTENSION* ext) { WOLFSSL_ENTER("wolfSSL_X509_EXTENSION_get_data"); if (ext == NULL) return NULL; return &ext->value; } /** * Creates a duplicate of input 'data' and sets it into 'ext' structure * returns WOLFSSL_SUCCESS on success */ int wolfSSL_X509_EXTENSION_set_data(WOLFSSL_X509_EXTENSION* ext, WOLFSSL_ASN1_STRING* data) { WOLFSSL_ASN1_STRING* current; if (ext == NULL || data == NULL) return WOLFSSL_FAILURE; current = wolfSSL_X509_EXTENSION_get_data(ext); if (current->length > 0 && current->data != NULL && current->isDynamic) { XFREE(current->data, NULL, DYNAMIC_TYPE_OPENSSL); } return wolfSSL_ASN1_STRING_copy(&ext->value, data); } #if !defined(NO_PWDBASED) int wolfSSL_X509_digest(const WOLFSSL_X509* x509, const WOLFSSL_EVP_MD* digest, unsigned char* buf, unsigned int* len) { int ret; WOLFSSL_ENTER("wolfSSL_X509_digest"); if (x509 == NULL || digest == NULL) { WOLFSSL_MSG("Null argument found"); return WOLFSSL_FAILURE; } if (x509->derCert == NULL) { WOLFSSL_MSG("No DER certificate stored in X509"); return WOLFSSL_FAILURE; } ret = wolfSSL_EVP_Digest(x509->derCert->buffer, x509->derCert->length, buf, len, digest, NULL); WOLFSSL_LEAVE("wolfSSL_X509_digest", ret); return ret; } int wolfSSL_X509_pubkey_digest(const WOLFSSL_X509 *x509, const WOLFSSL_EVP_MD *digest, unsigned char* buf, unsigned int* len) { int ret; WOLFSSL_ENTER("wolfSSL_X509_pubkey_digest"); if (x509 == NULL || digest == NULL) { WOLFSSL_MSG("Null argument found"); return WOLFSSL_FAILURE; } if (x509->pubKey.buffer == NULL || x509->pubKey.length == 0) { WOLFSSL_MSG("No DER public key stored in X509"); return WOLFSSL_FAILURE; } ret = wolfSSL_EVP_Digest(x509->pubKey.buffer, x509->pubKey.length, buf, len, digest, NULL); WOLFSSL_LEAVE("wolfSSL_X509_pubkey_digest", ret); return ret; } #endif #endif /* OPENSSL_EXTRA */ #ifdef OPENSSL_EXTRA #ifndef NO_WOLFSSL_STUB const char* wolfSSL_X509_get_default_cert_file_env(void) { WOLFSSL_STUB("X509_get_default_cert_file_env"); return NULL; } const char* wolfSSL_X509_get_default_cert_file(void) { WOLFSSL_STUB("X509_get_default_cert_file"); return NULL; } const char* wolfSSL_X509_get_default_cert_dir_env(void) { WOLFSSL_STUB("X509_get_default_cert_dir_env"); return NULL; } const char* wolfSSL_X509_get_default_cert_dir(void) { WOLFSSL_STUB("X509_get_default_cert_dir"); return NULL; } #endif #endif /* OPENSSL_EXTRA */ #if defined(KEEP_PEER_CERT) || defined(SESSION_CERTS) || \ defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL) /* user externally called free X509, if dynamic go ahead with free, otherwise * don't */ static void ExternalFreeX509(WOLFSSL_X509* x509) { #if defined(OPENSSL_EXTRA_X509_SMALL) || defined(OPENSSL_EXTRA) int doFree = 0; #endif WOLFSSL_ENTER("ExternalFreeX509"); if (x509) { #ifdef HAVE_EX_DATA_CLEANUP_HOOKS wolfSSL_CRYPTO_cleanup_ex_data(&x509->ex_data); #endif if (x509->dynamicMemory) { #if defined(OPENSSL_EXTRA_X509_SMALL) || defined(OPENSSL_EXTRA) #ifndef SINGLE_THREADED if (wc_LockMutex(&x509->refMutex) != 0) { WOLFSSL_MSG("Couldn't lock x509 mutex"); } #endif /* only free if all references to it are done */ x509->refCount--; if (x509->refCount == 0) doFree = 1; #ifndef SINGLE_THREADED wc_UnLockMutex(&x509->refMutex); #endif #endif /* OPENSSL_EXTRA_X509_SMALL || OPENSSL_EXTRA */ #if defined(OPENSSL_EXTRA_X509_SMALL) || defined(OPENSSL_EXTRA) if (doFree) #endif /* OPENSSL_EXTRA_X509_SMALL || OPENSSL_EXTRA */ { FreeX509(x509); XFREE(x509, x509->heap, DYNAMIC_TYPE_X509); } } else { WOLFSSL_MSG("free called on non dynamic object, not freeing"); } } } /* Frees an external WOLFSSL_X509 structure */ WOLFSSL_ABI void wolfSSL_X509_free(WOLFSSL_X509* x509) { WOLFSSL_ENTER("wolfSSL_FreeX509"); ExternalFreeX509(x509); } /* copy name into in buffer, at most sz bytes, if buffer is null will malloc buffer, call responsible for freeing */ WOLFSSL_ABI char* wolfSSL_X509_NAME_oneline(WOLFSSL_X509_NAME* name, char* in, int sz) { int copySz; if (name == NULL) { WOLFSSL_MSG("WOLFSSL_X509_NAME pointer was NULL"); return NULL; } copySz = min(sz, name->sz); WOLFSSL_ENTER("wolfSSL_X509_NAME_oneline"); if (!name->sz) return in; if (!in) { #ifdef WOLFSSL_STATIC_MEMORY WOLFSSL_MSG("Using static memory -- please pass in a buffer"); return NULL; #else in = (char*)XMALLOC(name->sz, NULL, DYNAMIC_TYPE_OPENSSL); if (!in ) return in; copySz = name->sz; #endif } if (copySz <= 0) return in; XMEMCPY(in, name->name, copySz - 1); in[copySz - 1] = 0; return in; } #ifdef OPENSSL_EXTRA unsigned long wolfSSL_X509_NAME_hash(WOLFSSL_X509_NAME* name) { #ifndef NO_SHA byte digest[WC_SHA_DIGEST_SIZE]; unsigned long ret = 0; unsigned char* canon_name = NULL; int size = 0; WOLFSSL_ENTER("wolfSSL_X509_NAME_hash"); if (name == NULL) { WOLFSSL_MSG("WOLFSSL_X509_NAME pointer was NULL"); return 0; } if (name->sz == 0) { WOLFSSL_MSG("nothing to hash in WOLFSSL_X509_NAME"); return 0; } size = wolfSSL_i2d_X509_NAME_canon(name, &canon_name); if (size <= 0){ WOLFSSL_MSG("wolfSSL_i2d_X509_NAME_canon error"); return 0; } if (wc_ShaHash((byte*)canon_name, size, digest) != 0) { WOLFSSL_MSG("wc_ShaHash error"); return 0; } XFREE(canon_name, NULL, DYNAMIC_TYPE_OPENSSL); ret = (unsigned long) digest[0]; ret |= ((unsigned long) digest[1]) << 8; ret |= ((unsigned long) digest[2]) << 16; ret |= ((unsigned long) digest[3]) << 24; return ret; #else (void)name; WOLFSSL_MSG("wolfSSL_X509_NAME_hash sha support not compiled in"); return 0; #endif } #endif /* OPENSSL_EXTRA */ #if defined(OPENSSL_EXTRA) && defined(XSNPRINTF) /* Copies X509 subject name into a buffer, with comma-separated name entries * (matching OpenSSL v1.0.0 format) * Example Output for Issuer: * * C=US, ST=Montana, L=Bozeman, O=Sawtooth, OU=Consulting, * CN=www.wolfssl.com, emailAddress=info@wolfssl.com */ char* wolfSSL_X509_get_name_oneline(WOLFSSL_X509_NAME* name, char* in, int sz) { WOLFSSL_X509_NAME_ENTRY* entry; int nameSz, strSz, strLen, count, i; int totalLen = 0; char *str; char tmpBuf[256]; const int tmpBufSz = sizeof(tmpBuf); char buf[80]; const char* sn; WOLFSSL_ENTER("wolfSSL_X509_get_name_oneline"); if (name == NULL) { WOLFSSL_MSG("wolfSSL_X509_get_subject_name failed"); return NULL; } #ifdef WOLFSSL_STATIC_MEMORY if (!in) { WOLFSSL_MSG("Using static memory -- please pass in a buffer"); return NULL; } #endif /* Loop through X509 name entries and copy new format to buffer */ count = wolfSSL_X509_NAME_entry_count(name); for (i = 0; i < count; i++) { /* Get name entry and size */ entry = wolfSSL_X509_NAME_get_entry(name, i); if (entry == NULL) { WOLFSSL_MSG("wolfSSL_X509_NAME_get_entry failed"); return NULL; } nameSz = wolfSSL_X509_NAME_get_text_by_NID(name, entry->nid, buf, sizeof(buf)); if (nameSz < 0) { WOLFSSL_MSG("wolfSSL_X509_NAME_get_text_by_NID failed"); return NULL; } /* Get short name */ sn = wolfSSL_OBJ_nid2sn(entry->nid); if (sn == NULL) { WOLFSSL_MSG("OBJ_nid2sn failed"); return NULL; } /* Copy sn and name text to buffer * Add extra strSz for '=', ',', ' ' and '\0' characters in XSNPRINTF. */ if (i != count - 1) { strSz = (int)XSTRLEN(sn) + nameSz + 4; str = (char*)XMALLOC(strSz, NULL, DYNAMIC_TYPE_TMP_BUFFER); if (str == NULL) { WOLFSSL_MSG("Memory error"); return NULL; } if ((strLen = XSNPRINTF(str, strSz, "%s=%s, ", sn, buf)) >= strSz) { WOLFSSL_MSG("buffer overrun"); XFREE(str, NULL, DYNAMIC_TYPE_TMP_BUFFER); return NULL; } } else { /* Copy last name entry * Add extra strSz for '=' and '\0' characters in XSNPRINTF. */ strSz = (int)XSTRLEN(sn) + nameSz + 2; str = (char*)XMALLOC(strSz, NULL, DYNAMIC_TYPE_TMP_BUFFER); if (str == NULL) { WOLFSSL_MSG("Memory error"); return NULL; } if ((strLen = XSNPRINTF(str, strSz, "%s=%s", sn, buf)) >= strSz) { WOLFSSL_MSG("buffer overrun"); XFREE(str, NULL, DYNAMIC_TYPE_TMP_BUFFER); return NULL; } } /* Copy string to tmpBuf */ if (totalLen + strLen > tmpBufSz) { WOLFSSL_MSG("buffer overrun"); XFREE(str, NULL, DYNAMIC_TYPE_TMP_BUFFER); return NULL; } XMEMCPY(tmpBuf + totalLen, str, strLen); totalLen += strLen; XFREE(str, NULL, DYNAMIC_TYPE_TMP_BUFFER); } /* Allocate space based on total string size if no buffer was provided */ if (!in) { in = (char*)XMALLOC(totalLen+1, NULL, DYNAMIC_TYPE_OPENSSL); if (in == NULL) { WOLFSSL_MSG("Memory error"); return in; } } else { if (totalLen + 1 > sz) { WOLFSSL_MSG("buffer overrun"); return NULL; } } XMEMCPY(in, tmpBuf, totalLen); in[totalLen] = '\0'; return in; } #endif /* Wraps wolfSSL_X509_d2i * * returns a WOLFSSL_X509 structure pointer on success and NULL on fail */ WOLFSSL_X509* wolfSSL_d2i_X509(WOLFSSL_X509** x509, const unsigned char** in, int len) { WOLFSSL_X509* newX509 = NULL; WOLFSSL_ENTER("wolfSSL_d2i_X509"); if (in == NULL) { WOLFSSL_MSG("NULL input for wolfSSL_d2i_X509"); return NULL; } newX509 = wolfSSL_X509_d2i(x509, *in, len); if (newX509 != NULL) { *in += newX509->derCert->length; } return newX509; } static WOLFSSL_X509* d2i_X509orX509REQ(WOLFSSL_X509** x509, const byte* in, int len, int req) { WOLFSSL_X509 *newX509 = NULL; int type = req ? CERTREQ_TYPE : CERT_TYPE; WOLFSSL_ENTER("wolfSSL_X509_d2i"); if (in != NULL && len != 0 #ifndef WOLFSSL_CERT_REQ && req == 0 #else && (req == 0 || req == 1) #endif ) { #ifdef WOLFSSL_SMALL_STACK DecodedCert* cert; #else DecodedCert cert[1]; #endif #ifdef WOLFSSL_SMALL_STACK cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert), NULL, DYNAMIC_TYPE_DCERT); if (cert == NULL) return NULL; #endif InitDecodedCert(cert, (byte*)in, len, NULL); #ifdef WOLFSSL_CERT_REQ cert->isCSR = (byte)req; #endif if (ParseCertRelative(cert, type, 0, NULL) == 0) { newX509 = wolfSSL_X509_new(); if (newX509 != NULL) { if (CopyDecodedToX509(newX509, cert) != 0) { wolfSSL_X509_free(newX509); newX509 = NULL; } } } FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif } if (x509 != NULL) *x509 = newX509; return newX509; } int wolfSSL_X509_get_isCA(WOLFSSL_X509* x509) { int isCA = 0; WOLFSSL_ENTER("wolfSSL_X509_get_isCA"); if (x509 != NULL) isCA = x509->isCa; WOLFSSL_LEAVE("wolfSSL_X509_get_isCA", isCA); return isCA; } WOLFSSL_X509* wolfSSL_X509_d2i(WOLFSSL_X509** x509, const byte* in, int len) { return d2i_X509orX509REQ(x509, in, len, 0); } #ifdef WOLFSSL_CERT_REQ WOLFSSL_X509* wolfSSL_X509_REQ_d2i(WOLFSSL_X509** x509, const unsigned char* in, int len) { return d2i_X509orX509REQ(x509, in, len, 1); } #endif #endif /* KEEP_PEER_CERT || SESSION_CERTS || OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL */ #if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL) /* returns the number of entries in the WOLFSSL_X509_NAME */ int wolfSSL_X509_NAME_entry_count(WOLFSSL_X509_NAME* name) { int count = 0; WOLFSSL_ENTER("wolfSSL_X509_NAME_entry_count"); if (name != NULL) count = name->entrySz; WOLFSSL_LEAVE("wolfSSL_X509_NAME_entry_count", count); return count; } #endif /* OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL */ #if defined(OPENSSL_EXTRA) || \ defined(KEEP_OUR_CERT) || defined(KEEP_PEER_CERT) || defined(SESSION_CERTS) /* return the next, if any, altname from the peer cert */ WOLFSSL_ABI char* wolfSSL_X509_get_next_altname(WOLFSSL_X509* cert) { char* ret = NULL; WOLFSSL_ENTER("wolfSSL_X509_get_next_altname"); /* don't have any to work with */ if (cert == NULL || cert->altNames == NULL) return NULL; /* already went through them */ if (cert->altNamesNext == NULL) return NULL; ret = cert->altNamesNext->name; #if defined(OPENSSL_ALL) || defined(WOLFSSL_IP_ALT_NAME) /* return the IP address as a string */ if (cert->altNamesNext->type == ASN_IP_TYPE) { ret = cert->altNamesNext->ipString; } #endif cert->altNamesNext = cert->altNamesNext->next; return ret; } int wolfSSL_X509_get_signature(WOLFSSL_X509* x509, unsigned char* buf, int* bufSz) { WOLFSSL_ENTER("wolfSSL_X509_get_signature"); if (x509 == NULL || bufSz == NULL || (*bufSz < (int)x509->sig.length && buf != NULL)) return WOLFSSL_FATAL_ERROR; if (buf != NULL) XMEMCPY(buf, x509->sig.buffer, x509->sig.length); *bufSz = x509->sig.length; return WOLFSSL_SUCCESS; } /* Getter function that copies over the DER public key buffer to "buf" and * sets the size in bufSz. If "buf" is NULL then just bufSz is set to needed * buffer size. "bufSz" passed in should initially be set by the user to be * the size of "buf". This gets checked to make sure the buffer is large * enough to hold the public key. * * Note: this is the X.509 form of key with "header" info. * return WOLFSSL_SUCCESS on success */ int wolfSSL_X509_get_pubkey_buffer(WOLFSSL_X509* x509, unsigned char* buf, int* bufSz) { #ifdef WOLFSSL_SMALL_STACK DecodedCert* cert; #else DecodedCert cert[1]; #endif word32 idx; const byte* der; int length = 0; int ret = 0, derSz = 0; int badDate = 0; const byte* pubKeyX509 = NULL; int pubKeyX509Sz = 0; WOLFSSL_ENTER("wolfSSL_X509_get_pubkey_buffer"); if (x509 == NULL || bufSz == NULL) { WOLFSSL_LEAVE("wolfSSL_X509_get_pubkey_buffer", BAD_FUNC_ARG); return WOLFSSL_FATAL_ERROR; } #ifdef WOLFSSL_SMALL_STACK cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert), x509->heap, DYNAMIC_TYPE_TMP_BUFFER); if (cert == NULL) { WOLFSSL_LEAVE("wolfSSL_X509_get_pubkey_buffer", MEMORY_E); return WOLFSSL_FATAL_ERROR; } #endif der = wolfSSL_X509_get_der(x509, &derSz); if (der != NULL) { InitDecodedCert(cert, der, derSz, NULL); ret = wc_GetPubX509(cert, 0, &badDate); if (ret >= 0) { idx = cert->srcIdx; pubKeyX509 = cert->source + cert->srcIdx; ret = GetSequence(cert->source, &cert->srcIdx, &length, cert->maxIdx); pubKeyX509Sz = length + (cert->srcIdx - idx); } FreeDecodedCert(cert); } #ifdef WOLFSSL_SMALL_STACK XFREE(cert, x509->heap, DYNAMIC_TYPE_TMP_BUFFER); #endif if (ret < 0) { WOLFSSL_LEAVE("wolfSSL_X509_get_pubkey_buffer", ret); return WOLFSSL_FATAL_ERROR; } if (buf != NULL && pubKeyX509 != NULL) { if (pubKeyX509Sz > *bufSz) { WOLFSSL_LEAVE("wolfSSL_X509_get_pubkey_buffer", BUFFER_E); return WOLFSSL_FATAL_ERROR; } XMEMCPY(buf, pubKeyX509, pubKeyX509Sz); } *bufSz = pubKeyX509Sz; return WOLFSSL_SUCCESS; } /* Getter function for the public key OID value * return public key OID stored in WOLFSSL_X509 structure */ int wolfSSL_X509_get_pubkey_type(WOLFSSL_X509* x509) { if (x509 == NULL) return WOLFSSL_FAILURE; return x509->pubKeyOID; } #endif /* OPENSSL_EXTRA || KEEP_OUR_CERT || KEEP_PEER_CERT || SESSION_CERTS */ #if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL) || \ defined(KEEP_OUR_CERT) || defined(KEEP_PEER_CERT) || defined(SESSION_CERTS) /* write X509 serial number in unsigned binary to buffer buffer needs to be at least EXTERNAL_SERIAL_SIZE (32) for all cases return WOLFSSL_SUCCESS on success */ int wolfSSL_X509_get_serial_number(WOLFSSL_X509* x509, byte* in, int* inOutSz) { WOLFSSL_ENTER("wolfSSL_X509_get_serial_number"); if (x509 == NULL || inOutSz == NULL) { WOLFSSL_MSG("Null argument passed in"); return BAD_FUNC_ARG; } if (in != NULL) { if (*inOutSz < x509->serialSz) { WOLFSSL_MSG("Serial buffer too small"); return BUFFER_E; } XMEMCPY(in, x509->serial, x509->serialSz); } *inOutSz = x509->serialSz; return WOLFSSL_SUCCESS; } /* not an openssl compatibility function - getting for derCert */ const byte* wolfSSL_X509_get_der(WOLFSSL_X509* x509, int* outSz) { WOLFSSL_ENTER("wolfSSL_X509_get_der"); if (x509 == NULL || x509->derCert == NULL || outSz == NULL) return NULL; *outSz = (int)x509->derCert->length; return x509->derCert->buffer; } #endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL || KEEP_OUR_CERT || KEEP_PEER_CERT || SESSION_CERTS */ #if defined(OPENSSL_EXTRA_X509_SMALL) || defined(OPENSSL_EXTRA) || \ defined(OPENSSL_ALL) || defined(KEEP_OUR_CERT) || \ defined(KEEP_PEER_CERT) || defined(SESSION_CERTS) /* used by JSSE (not a standard compatibility function) */ WOLFSSL_ABI const byte* wolfSSL_X509_notBefore(WOLFSSL_X509* x509) { WOLFSSL_ENTER("wolfSSL_X509_notBefore"); if (x509 == NULL) return NULL; XMEMSET(x509->notBeforeData, 0, sizeof(x509->notBeforeData)); x509->notBeforeData[0] = (byte)x509->notBefore.type; x509->notBeforeData[1] = (byte)x509->notBefore.length; XMEMCPY(&x509->notBeforeData[2], x509->notBefore.data, x509->notBefore.length); return x509->notBeforeData; } /* used by JSSE (not a standard compatibility function) */ WOLFSSL_ABI const byte* wolfSSL_X509_notAfter(WOLFSSL_X509* x509) { WOLFSSL_ENTER("wolfSSL_X509_notAfter"); if (x509 == NULL) return NULL; XMEMSET(x509->notAfterData, 0, sizeof(x509->notAfterData)); x509->notAfterData[0] = (byte)x509->notAfter.type; x509->notAfterData[1] = (byte)x509->notAfter.length; XMEMCPY(&x509->notAfterData[2], x509->notAfter.data, x509->notAfter.length); return x509->notAfterData; } int wolfSSL_X509_version(WOLFSSL_X509* x509) { WOLFSSL_ENTER("wolfSSL_X509_version"); if (x509 == NULL) return 0; return x509->version; } #endif #ifdef OPENSSL_EXTRA /* get the buffer to be signed (tbs) from the WOLFSSL_X509 certificate * * outSz : gets set to the size of the buffer * returns a pointer to the internal buffer at the location of TBS on * on success and NULL on failure. */ const unsigned char* wolfSSL_X509_get_tbs(WOLFSSL_X509* x509, int* outSz) { int sz = 0, len; unsigned int idx = 0, tmpIdx; const unsigned char* der = NULL; const unsigned char* tbs = NULL; if (x509 == NULL || outSz == NULL) { return NULL; } der = wolfSSL_X509_get_der(x509, &sz); if (der == NULL) { return NULL; } if (GetSequence(der, &idx, &len, sz) < 0) { return NULL; } tbs = der + idx; tmpIdx = idx; if (GetSequence(der, &idx, &len, sz) < 0) { return NULL; } *outSz = len + (idx - tmpIdx); return tbs; } #ifdef WOLFSSL_SEP /* copy oid into in buffer, at most *inOutSz bytes, if buffer is null will malloc buffer, call responsible for freeing. Actual size returned in *inOutSz. Requires inOutSz be non-null */ byte* wolfSSL_X509_get_device_type(WOLFSSL_X509* x509, byte* in, int *inOutSz) { int copySz; WOLFSSL_ENTER("wolfSSL_X509_get_dev_type"); if (inOutSz == NULL) return NULL; if (!x509->deviceTypeSz) return in; copySz = min(*inOutSz, x509->deviceTypeSz); if (!in) { #ifdef WOLFSSL_STATIC_MEMORY WOLFSSL_MSG("Using static memory -- please pass in a buffer"); return NULL; #else in = (byte*)XMALLOC(x509->deviceTypeSz, 0, DYNAMIC_TYPE_OPENSSL); if (!in) return in; copySz = x509->deviceTypeSz; #endif } XMEMCPY(in, x509->deviceType, copySz); *inOutSz = copySz; return in; } byte* wolfSSL_X509_get_hw_type(WOLFSSL_X509* x509, byte* in, int* inOutSz) { int copySz; WOLFSSL_ENTER("wolfSSL_X509_get_hw_type"); if (inOutSz == NULL) return NULL; if (!x509->hwTypeSz) return in; copySz = min(*inOutSz, x509->hwTypeSz); if (!in) { #ifdef WOLFSSL_STATIC_MEMORY WOLFSSL_MSG("Using static memory -- please pass in a buffer"); return NULL; #else in = (byte*)XMALLOC(x509->hwTypeSz, 0, DYNAMIC_TYPE_OPENSSL); if (!in) return in; copySz = x509->hwTypeSz; #endif } XMEMCPY(in, x509->hwType, copySz); *inOutSz = copySz; return in; } byte* wolfSSL_X509_get_hw_serial_number(WOLFSSL_X509* x509,byte* in, int* inOutSz) { int copySz; WOLFSSL_ENTER("wolfSSL_X509_get_hw_serial_number"); if (inOutSz == NULL) return NULL; if (!x509->hwTypeSz) return in; copySz = min(*inOutSz, x509->hwSerialNumSz); if (!in) { #ifdef WOLFSSL_STATIC_MEMORY WOLFSSL_MSG("Using static memory -- please pass in a buffer"); return NULL; #else in = (byte*)XMALLOC(x509->hwSerialNumSz, 0, DYNAMIC_TYPE_OPENSSL); if (!in) return in; copySz = x509->hwSerialNumSz; #endif } XMEMCPY(in, x509->hwSerialNum, copySz); *inOutSz = copySz; return in; } #endif /* WOLFSSL_SEP */ #endif /* OPENSSL_EXTRA */ /* require OPENSSL_EXTRA since wolfSSL_X509_free is wrapped by OPENSSL_EXTRA */ #if defined(OPENSSL_EXTRA) WOLFSSL_ASN1_TIME* wolfSSL_X509_get_notBefore(const WOLFSSL_X509* x509) { WOLFSSL_ENTER("wolfSSL_X509_get_notBefore"); if (x509 == NULL) return NULL; return (WOLFSSL_ASN1_TIME*)&x509->notBefore; } WOLFSSL_ASN1_TIME* wolfSSL_X509_get_notAfter(const WOLFSSL_X509* x509) { WOLFSSL_ENTER("wolfSSL_X509_get_notAfter"); if (x509 == NULL) return NULL; return (WOLFSSL_ASN1_TIME*)&x509->notAfter; } /* return 1 on success 0 on fail */ int wolfSSL_sk_X509_push(WOLF_STACK_OF(WOLFSSL_X509_NAME)* sk, WOLFSSL_X509* x509) { WOLFSSL_ENTER("wolfSSL_sk_X509_push"); if (sk == NULL || x509 == NULL) { return WOLFSSL_FAILURE; } return wolfSSL_sk_push(sk, x509); } WOLFSSL_X509* wolfSSL_sk_X509_pop(WOLF_STACK_OF(WOLFSSL_X509_NAME)* sk) { WOLFSSL_STACK* node; WOLFSSL_X509* x509; if (sk == NULL) { return NULL; } node = sk->next; x509 = sk->data.x509; if (node != NULL) { /* update sk and remove node from stack */ sk->data.x509 = node->data.x509; sk->next = node->next; XFREE(node, NULL, DYNAMIC_TYPE_X509); } else { /* last x509 in stack */ sk->data.x509 = NULL; } if (sk->num > 0) { sk->num -= 1; } return x509; } /* Getter function for WOLFSSL_X509 pointer * * sk is the stack to retrieve pointer from * i is the index value in stack * * returns a pointer to a WOLFSSL_X509 structure on success and NULL on * fail */ WOLFSSL_X509* wolfSSL_sk_X509_value(STACK_OF(WOLFSSL_X509)* sk, int i) { WOLFSSL_ENTER("wolfSSL_sk_X509_value"); for (; sk != NULL && i > 0; i--) sk = sk->next; if (i != 0 || sk == NULL) return NULL; return sk->data.x509; } WOLFSSL_X509* wolfSSL_sk_X509_shift(WOLF_STACK_OF(WOLFSSL_X509)* sk) { return wolfSSL_sk_X509_pop(sk); } #endif /* OPENSSL_EXTRA */ #if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL) /* Free's all nodes in X509 stack. This is different then wolfSSL_sk_X509_free * in that it free's the underlying objects pushed to the stack. * * sk stack to free nodes in * f X509 free function */ void wolfSSL_sk_X509_pop_free(STACK_OF(WOLFSSL_X509)* sk, void (*f) (WOLFSSL_X509*)) { WOLFSSL_ENTER("wolfSSL_sk_X509_pop_free"); wolfSSL_sk_pop_free(sk, (wolfSSL_sk_freefunc)f); } /* free just the stack structure */ void wolfSSL_sk_X509_free(WOLF_STACK_OF(WOLFSSL_X509)* sk) { wolfSSL_sk_free(sk); } #ifdef HAVE_CRL WOLFSSL_STACK* wolfSSL_sk_X509_CRL_new(void) { WOLFSSL_STACK* s = wolfSSL_sk_new_node(NULL); if (s != NULL) s->type = STACK_TYPE_X509_CRL; return s; } void wolfSSL_sk_X509_CRL_pop_free(WOLF_STACK_OF(WOLFSSL_X509_CRL)* sk, void (*f) (WOLFSSL_X509_CRL*)) { WOLFSSL_ENTER("wolfSSL_sk_X509_CRL_pop_free"); wolfSSL_sk_pop_free(sk, (wolfSSL_sk_freefunc)f); } void wolfSSL_sk_X509_CRL_free(WOLF_STACK_OF(WOLFSSL_X509_CRL)* sk) { wolfSSL_sk_X509_CRL_pop_free(sk, NULL); } /* return 1 on success 0 on fail */ int wolfSSL_sk_X509_CRL_push(WOLF_STACK_OF(WOLFSSL_X509_CRL)* sk, WOLFSSL_X509_CRL* crl) { WOLFSSL_ENTER("wolfSSL_sk_X509_CRL_push"); if (sk == NULL || crl == NULL) { return WOLFSSL_FAILURE; } return wolfSSL_sk_push(sk, crl); } WOLFSSL_X509_CRL* wolfSSL_sk_X509_CRL_value(WOLF_STACK_OF(WOLFSSL_X509)* sk, int i) { WOLFSSL_ENTER("wolfSSL_sk_X509_CRL_value"); if (sk) return (WOLFSSL_X509_CRL*)wolfSSL_sk_value(sk, i); return NULL; } int wolfSSL_sk_X509_CRL_num(WOLF_STACK_OF(WOLFSSL_X509)* sk) { WOLFSSL_ENTER("wolfSSL_sk_X509_CRL_num"); if (sk) return wolfSSL_sk_num(sk); return 0; } #endif /* HAVE_CRL */ #endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */ #if defined(OPENSSL_EXTRA) || defined(WOLFSSL_QT) /* return 1 on success 0 on fail */ int wolfSSL_sk_ACCESS_DESCRIPTION_push(WOLF_STACK_OF(ACCESS_DESCRIPTION)* sk, WOLFSSL_ACCESS_DESCRIPTION* a) { WOLFSSL_ENTER("wolfSSL_sk_ACCESS_DESCRIPTION_push"); return wolfSSL_sk_push(sk, a); } /* Frees all nodes in ACCESS_DESCRIPTION stack * * sk stack of nodes to free * f free function to use */ void wolfSSL_sk_ACCESS_DESCRIPTION_pop_free(WOLFSSL_STACK* sk, void (*f) (WOLFSSL_ACCESS_DESCRIPTION*)) { WOLFSSL_ENTER("wolfSSL_sk_ACCESS_DESCRIPTION_pop_free"); wolfSSL_sk_pop_free(sk, (wolfSSL_sk_freefunc)f); } void wolfSSL_sk_ACCESS_DESCRIPTION_free(WOLFSSL_STACK* sk) { wolfSSL_sk_free(sk); } /* AUTHORITY_INFO_ACCESS object is a stack of ACCESS_DESCRIPTION objects, * to free the stack the WOLFSSL_ACCESS_DESCRIPTION stack free function is * used */ void wolfSSL_AUTHORITY_INFO_ACCESS_free( WOLF_STACK_OF(WOLFSSL_ACCESS_DESCRIPTION)* sk) { WOLFSSL_ENTER("wolfSSL_AUTHORITY_INFO_ACCESS_free"); wolfSSL_sk_ACCESS_DESCRIPTION_free(sk); } void wolfSSL_AUTHORITY_INFO_ACCESS_pop_free( WOLF_STACK_OF(WOLFSSL_ACCESS_DESCRIPTION)* sk, void (*f) (WOLFSSL_ACCESS_DESCRIPTION*)) { WOLFSSL_ENTER("wolfSSL_AUTHORITY_INFO_ACCESS_free"); wolfSSL_sk_ACCESS_DESCRIPTION_pop_free(sk, f); } void wolfSSL_ACCESS_DESCRIPTION_free(WOLFSSL_ACCESS_DESCRIPTION* a) { WOLFSSL_ENTER("wolfSSL_ACCESS_DESCRIPTION_free"); if (a == NULL) return; if (a->method) wolfSSL_ASN1_OBJECT_free(a->method); if (a->location) wolfSSL_GENERAL_NAME_free(a->location); XFREE(a, NULL, DYNAMIC_TYPE_X509_EXT); /* a = NULL, don't try to a or double free it */ } #endif /* OPENSSL_EXTRA || WOLFSSL_QT */ #if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL) /* Creates and returns new GENERAL_NAME structure */ WOLFSSL_GENERAL_NAME* wolfSSL_GENERAL_NAME_new(void) { WOLFSSL_GENERAL_NAME* gn; WOLFSSL_ENTER("GENERAL_NAME_new"); gn = (WOLFSSL_GENERAL_NAME*)XMALLOC(sizeof(WOLFSSL_GENERAL_NAME), NULL, DYNAMIC_TYPE_ASN1); if (gn == NULL) { return NULL; } XMEMSET(gn, 0, sizeof(WOLFSSL_GENERAL_NAME)); gn->d.ia5 = wolfSSL_ASN1_STRING_new(); if (gn->d.ia5 == NULL) { WOLFSSL_MSG("Issue creating ASN1_STRING struct"); wolfSSL_GENERAL_NAME_free(gn); return NULL; } return gn; } WOLFSSL_GENERAL_NAME* wolfSSL_GENERAL_NAME_dup(WOLFSSL_GENERAL_NAME* gn) { WOLFSSL_GENERAL_NAME* dupl = NULL; WOLFSSL_ENTER("wolfSSL_GENERAL_NAME_dup"); if (!gn) { WOLFSSL_MSG("Bad parameter"); return NULL; } if (!(dupl = wolfSSL_GENERAL_NAME_new())) { WOLFSSL_MSG("wolfSSL_GENERAL_NAME_new error"); return NULL; } switch (gn->type) { /* WOLFSSL_ASN1_STRING types */ case GEN_DNS: if (!(dupl->d.dNSName = wolfSSL_ASN1_STRING_dup(gn->d.dNSName))) { WOLFSSL_MSG("wolfSSL_ASN1_STRING_dup error"); goto error; } break; case GEN_IPADD: if (!(dupl->d.iPAddress = wolfSSL_ASN1_STRING_dup(gn->d.iPAddress))) { WOLFSSL_MSG("wolfSSL_ASN1_STRING_dup error"); goto error; } break; case GEN_EMAIL: if (!(dupl->d.rfc822Name = wolfSSL_ASN1_STRING_dup(gn->d.rfc822Name))) { WOLFSSL_MSG("wolfSSL_ASN1_STRING_dup error"); goto error; } break; case GEN_URI: if (!(dupl->d.uniformResourceIdentifier = wolfSSL_ASN1_STRING_dup(gn->d.uniformResourceIdentifier))) { WOLFSSL_MSG("wolfSSL_ASN1_STRING_dup error"); goto error; } break; case GEN_OTHERNAME: case GEN_X400: case GEN_DIRNAME: case GEN_EDIPARTY: case GEN_RID: default: WOLFSSL_MSG("Unrecognized or unsupported GENERAL_NAME type"); goto error; } dupl->type = gn->type; return dupl; error: if (dupl) { wolfSSL_GENERAL_NAME_free(dupl); } return NULL; } /* return 1 on success 0 on fail */ int wolfSSL_sk_GENERAL_NAME_push(WOLFSSL_GENERAL_NAMES* sk, WOLFSSL_GENERAL_NAME* gn) { WOLFSSL_STACK* node; WOLFSSL_ENTER("wolfSSL_sk_GENERAL_NAME_push"); if (sk == NULL || gn == NULL) { return WOLFSSL_FAILURE; } /* no previous values in stack */ if (sk->data.gn == NULL) { sk->data.gn = gn; sk->num += 1; return WOLFSSL_SUCCESS; } /* stack already has value(s) create a new node and add more */ node = (WOLFSSL_STACK*)XMALLOC(sizeof(WOLFSSL_STACK), NULL, DYNAMIC_TYPE_ASN1); if (node == NULL) { WOLFSSL_MSG("Memory error"); return WOLFSSL_FAILURE; } XMEMSET(node, 0, sizeof(WOLFSSL_STACK)); /* push new obj onto head of stack */ node->type = STACK_TYPE_GEN_NAME; node->data.gn = sk->data.gn; node->next = sk->next; sk->next = node; sk->data.gn = gn; sk->num += 1; return WOLFSSL_SUCCESS; } #endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */ #ifdef OPENSSL_EXTRA /* Returns the general name at index i from the stack * * sk stack to get general name from * idx index to get * * return a pointer to the internal node of the stack */ WOLFSSL_GENERAL_NAME* wolfSSL_sk_GENERAL_NAME_value(WOLFSSL_STACK* sk, int idx) { WOLFSSL_STACK* ret; if (sk == NULL) { return NULL; } ret = wolfSSL_sk_get_node(sk, idx); if (ret != NULL) { return ret->data.gn; } return NULL; } /* Gets the number of nodes in the stack * * sk stack to get the number of nodes from * * returns the number of nodes, -1 if no nodes */ int wolfSSL_sk_GENERAL_NAME_num(WOLFSSL_STACK* sk) { WOLFSSL_ENTER("wolfSSL_sk_GENERAL_NAME_num"); if (sk == NULL) { return -1; } return (int)sk->num; } #endif /* OPENSSL_EXTRA */ #if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL) /* Frees all nodes in a GENERAL NAME stack * * sk stack of nodes to free * f free function to use, not called with wolfSSL */ void wolfSSL_sk_GENERAL_NAME_pop_free(WOLFSSL_STACK* sk, void (*f) (WOLFSSL_GENERAL_NAME*)) { WOLFSSL_ENTER("wolfSSL_sk_GENERAL_NAME_pop_free"); wolfSSL_sk_pop_free(sk, (wolfSSL_sk_freefunc)f); } void wolfSSL_sk_GENERAL_NAME_free(WOLFSSL_STACK* sk) { WOLFSSL_ENTER("sk_GENERAL_NAME_free"); wolfSSL_sk_X509_pop_free(sk, NULL); } #endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */ #ifdef OPENSSL_EXTRA static void wolfSSL_DIST_POINT_NAME_free(WOLFSSL_DIST_POINT_NAME* dpn) { if (dpn != NULL) { if (dpn->name.fullname != NULL) { wolfSSL_sk_X509_pop_free(dpn->name.fullname, NULL); } XFREE(dpn, NULL, DYNAMIC_TYPE_OPENSSL); } } /* returns new pointer on success and NULL on fail */ static WOLFSSL_DIST_POINT_NAME* wolfSSL_DIST_POINT_NAME_new(void) { WOLFSSL_DIST_POINT_NAME* dpn = NULL; WOLFSSL_GENERAL_NAMES* gns = NULL; dpn = (WOLFSSL_DIST_POINT_NAME*)XMALLOC(sizeof(WOLFSSL_DIST_POINT_NAME), NULL, DYNAMIC_TYPE_OPENSSL); if (dpn == NULL) { return NULL; } XMEMSET(dpn, 0, sizeof(WOLFSSL_DIST_POINT_NAME)); gns = wolfSSL_sk_new_null(); if (gns == NULL) { WOLFSSL_MSG("wolfSSL_sk_new_null error"); XFREE(dpn, NULL, DYNAMIC_TYPE_OPENSSL); return NULL; } gns->type = STACK_TYPE_GEN_NAME; dpn->name.fullname = gns; dpn->type = CRL_DIST_OID; return dpn; } /* Creates and returns new DIST_POINT structure */ WOLFSSL_DIST_POINT* wolfSSL_DIST_POINT_new(void) { WOLFSSL_DIST_POINT* dp = NULL; WOLFSSL_DIST_POINT_NAME* dpn = NULL; WOLFSSL_ENTER("DIST_POINT_new"); dp = (WOLFSSL_DIST_POINT*)XMALLOC(sizeof(WOLFSSL_DIST_POINT), NULL, DYNAMIC_TYPE_OPENSSL); if (dp == NULL) { return NULL; } XMEMSET(dp, 0, sizeof(WOLFSSL_DIST_POINT)); dpn = wolfSSL_DIST_POINT_NAME_new(); if (dpn == NULL) { XFREE(dp, NULL, DYNAMIC_TYPE_OPENSSL); return NULL; } dp->distpoint = dpn; return dp; } /* Frees DIST_POINT objects. */ void wolfSSL_DIST_POINT_free(WOLFSSL_DIST_POINT* dp) { WOLFSSL_ENTER("wolfSSL_DIST_POINT_free"); if (dp != NULL) { wolfSSL_DIST_POINT_NAME_free(dp->distpoint); XFREE(dp, NULL, DYNAMIC_TYPE_OPENSSL); } } void wolfSSL_DIST_POINTS_free(WOLFSSL_DIST_POINTS *dps) { WOLFSSL_ENTER("wolfSSL_DIST_POINTS_free"); if (dps == NULL) { return; } wolfSSL_sk_free(dps); } /* return 1 on success 0 on fail */ int wolfSSL_sk_DIST_POINT_push(WOLFSSL_DIST_POINTS* sk, WOLFSSL_DIST_POINT* dp) { WOLFSSL_ENTER("wolfSSL_sk_DIST_POINT_push"); if (sk == NULL || dp == NULL) { return WOLFSSL_FAILURE; } return wolfSSL_sk_push(sk, dp); } /* Returns the CRL dist point at index i from the stack * * sk stack to get general name from * idx index to get * * return a pointer to the internal node of the stack */ WOLFSSL_DIST_POINT* wolfSSL_sk_DIST_POINT_value(WOLFSSL_STACK* sk, int idx) { if (sk == NULL) { return NULL; } return (WOLFSSL_DIST_POINT*)wolfSSL_sk_value(sk, idx); } /* Gets the number of nodes in the stack * * sk stack to get the number of nodes from * * returns the number of nodes, -1 if no nodes */ int wolfSSL_sk_DIST_POINT_num(WOLFSSL_STACK* sk) { WOLFSSL_ENTER("wolfSSL_sk_DIST_POINT_num"); if (sk == NULL) { return -1; } return wolfSSL_sk_num(sk); } /* Frees all nodes in a DIST_POINT stack * * sk stack of nodes to free * f free function to use */ void wolfSSL_sk_DIST_POINT_pop_free(WOLFSSL_STACK* sk, void (*f) (WOLFSSL_DIST_POINT*)) { WOLFSSL_ENTER("wolfSSL_sk_DIST_POINT_pop_free"); wolfSSL_sk_pop_free(sk, (wolfSSL_sk_freefunc)f); } void wolfSSL_sk_DIST_POINT_free(WOLFSSL_STACK* sk) { WOLFSSL_ENTER("sk_DIST_POINT_free"); wolfSSL_sk_free(sk); } /* returns the number of nodes in stack on success and WOLFSSL_FATAL_ERROR * on fail */ int wolfSSL_sk_ACCESS_DESCRIPTION_num(WOLFSSL_STACK* sk) { if (sk == NULL) { return WOLFSSL_FATAL_ERROR; } return (int)sk->num; } /* returns NULL on fail and pointer to internal data on success */ WOLFSSL_ACCESS_DESCRIPTION* wolfSSL_sk_ACCESS_DESCRIPTION_value( WOLFSSL_STACK* sk, int idx) { WOLFSSL_STACK* ret; if (sk == NULL) { return NULL; } ret = wolfSSL_sk_get_node(sk, idx); if (ret != NULL) { return ret->data.access; } return NULL; } #endif /* OPENSSL_EXTRA */ #if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL) /* free's the internal type for the general name */ static void wolfSSL_GENERAL_NAME_type_free(WOLFSSL_GENERAL_NAME* name) { if (name != NULL) { if (name->d.dNSName != NULL) { wolfSSL_ASN1_STRING_free(name->d.dNSName); name->d.dNSName = NULL; } if (name->d.dirn != NULL) { wolfSSL_X509_NAME_free(name->d.dirn); name->d.dirn = NULL; } if (name->d.uniformResourceIdentifier != NULL) { wolfSSL_ASN1_STRING_free(name->d.uniformResourceIdentifier); name->d.uniformResourceIdentifier = NULL; } if (name->d.iPAddress != NULL) { wolfSSL_ASN1_STRING_free(name->d.iPAddress); name->d.iPAddress = NULL; } if (name->d.registeredID != NULL) { wolfSSL_ASN1_OBJECT_free(name->d.registeredID); name->d.registeredID = NULL; } if (name->d.ia5 != NULL) { wolfSSL_ASN1_STRING_free(name->d.ia5); name->d.ia5 = NULL; } } } /* sets the general name type and free's the existing one * can fail with a memory error if malloc fails or bad arg error * otherwise return WOLFSSL_SUCCESS */ int wolfSSL_GENERAL_NAME_set_type(WOLFSSL_GENERAL_NAME* name, int typ) { int ret = WOLFSSL_SUCCESS; if (name != NULL) { wolfSSL_GENERAL_NAME_type_free(name); name->type = typ; switch (typ) { case GEN_URI: name->d.uniformResourceIdentifier = wolfSSL_ASN1_STRING_new(); if (name->d.uniformResourceIdentifier == NULL) ret = MEMORY_E; break; default: name->d.ia5 = wolfSSL_ASN1_STRING_new(); if (name->d.ia5 == NULL) ret = MEMORY_E; } } else { ret = BAD_FUNC_ARG; } return ret; } /* Frees GENERAL_NAME objects. */ void wolfSSL_GENERAL_NAME_free(WOLFSSL_GENERAL_NAME* name) { WOLFSSL_ENTER("wolfSSL_GENERAL_NAME_Free"); if (name != NULL) { wolfSSL_GENERAL_NAME_type_free(name); XFREE(name, NULL, DYNAMIC_TYPE_OPENSSL); } } #endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL*/ #ifdef OPENSSL_EXTRA void wolfSSL_GENERAL_NAMES_free(WOLFSSL_GENERAL_NAMES *gens) { WOLFSSL_ENTER("wolfSSL_GENERAL_NAMES_free"); if (gens == NULL) { return; } wolfSSL_sk_GENERAL_NAME_free(gens); } #if defined(OPENSSL_ALL) && !defined(NO_BIO) /* Outputs name string of the given WOLFSSL_GENERAL_NAME_OBJECT to WOLFSSL_BIO. * Can handle following GENERAL_NAME_OBJECT types: * - GEN_OTHERNAME # * - GEN_EMAIL * - GEN_DNS * - GEN_X400 # * - GEN_DIRNAME * - GEN_EDIPARTY # * - GEN_URI * - GEN_RID * The each name string to be output has "typename:namestring" format. * For instance, email name string will be output as "email:info@wolfssl.com". * However,some types above marked with "#" will be output with * "typename:". * * Parameters: * - out: WOLFSSL_BIO object which is the output destination * - gen: WOLFSSL_GENERAL_NAME object to be output its name * * Returns WOLFSSL_SUCCESS on success, WOLFSSL_FAILURE on failure. */ int wolfSSL_GENERAL_NAME_print(WOLFSSL_BIO* out, WOLFSSL_GENERAL_NAME* gen) { int ret, i; unsigned int wd; unsigned char* p; (void)wd; (void)p; (void)i; WOLFSSL_ENTER("wolfSSL_GENERAL_NAME_print"); if (out == NULL || gen == NULL) return WOLFSSL_FAILURE; ret = WOLFSSL_FAILURE; switch (gen->type) { case GEN_OTHERNAME: ret = wolfSSL_BIO_printf(out, "othername:"); ret = (ret > 0) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE; break; case GEN_EMAIL: ret = wolfSSL_BIO_printf(out, "email:"); ret = (ret > 0) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE; if (ret == WOLFSSL_SUCCESS) { ret = wolfSSL_ASN1_STRING_print(out, gen->d.rfc822Name); } break; case GEN_DNS: ret = wolfSSL_BIO_printf(out, "DNS:"); ret = (ret > 0) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE; if (ret == WOLFSSL_SUCCESS) { ret = wolfSSL_BIO_printf(out, "%s", gen->d.dNSName->strData); ret = (ret > 0) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE; } break; case GEN_X400: ret = wolfSSL_BIO_printf(out, "X400Name:"); ret = (ret > 0) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE; break; case GEN_DIRNAME: ret = wolfSSL_BIO_printf(out, "DirName:"); if (ret == WOLFSSL_SUCCESS) { ret = wolfSSL_X509_NAME_print_ex(out, gen->d.directoryName, 0, XN_FLAG_ONELINE); } break; case GEN_EDIPARTY: ret = wolfSSL_BIO_printf(out, "EdiPartyName:"); ret = (ret > 0) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE; break; case GEN_URI: ret = wolfSSL_BIO_printf(out, "URI:"); ret = (ret > 0) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE; if (ret == WOLFSSL_SUCCESS) { ret = wolfSSL_ASN1_STRING_print(out, gen->d.uniformResourceIdentifier); } break; case GEN_IPADD: ret = wolfSSL_BIO_printf(out, "IP Address"); ret = (ret > 0) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE; if (ret == WOLFSSL_SUCCESS) { if (!gen->d.iPAddress->length) { ret = WOLFSSL_FAILURE; break; } p = (unsigned char*)gen->d.iPAddress->strData; if (gen->d.iPAddress->length == 4) { ret = wolfSSL_BIO_printf(out, ":%d.%d.%d.%d", p[0],p[1],p[2],p[3]); } else if (gen->d.iPAddress->length == 16) { for (i = 0; i < 16 && ret == WOLFSSL_SUCCESS;) { wd = p[i] << 8 | p[i+1]; i += 2; ret = wolfSSL_BIO_printf(out, ":%X", wd); ret = (ret > 0) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE; } } else { ret = wolfSSL_BIO_printf(out, ""); } ret = (ret > 0) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE; } break; case GEN_RID: ret = wolfSSL_BIO_printf(out, "Registered ID:"); if (ret == WOLFSSL_SUCCESS) { ret = wolfSSL_i2a_ASN1_OBJECT(out, gen->d.registeredID); } break; default: /* unsupported type */ break; } if (ret == WOLFSSL_FAILURE) return WOLFSSL_FAILURE; else return WOLFSSL_SUCCESS; } #endif /* OPENSSL_ALL */ WOLF_STACK_OF(WOLFSSL_X509_EXTENSION)* wolfSSL_sk_X509_EXTENSION_new_null(void) { WOLFSSL_STACK* sk = wolfSSL_sk_new_node(NULL); if (sk) { sk->type = STACK_TYPE_X509_EXT; } return (WOLF_STACK_OF(WOLFSSL_X509_EXTENSION)*)sk;; } /* returns the number of nodes on the stack */ int wolfSSL_sk_X509_EXTENSION_num(WOLF_STACK_OF(WOLFSSL_X509_EXTENSION)* sk) { if (sk != NULL) { return (int)sk->num; } return WOLFSSL_FATAL_ERROR; } /* returns null on failure and pointer to internal value on success */ WOLFSSL_X509_EXTENSION* wolfSSL_sk_X509_EXTENSION_value( WOLF_STACK_OF(WOLFSSL_X509_EXTENSION)* sk, int idx) { WOLFSSL_STACK* ret; if (sk == NULL) { return NULL; } ret = wolfSSL_sk_get_node(sk, idx); if (ret != NULL) { return ret->data.ext; } return NULL; } /* frees all of the nodes and the values in stack */ void wolfSSL_sk_X509_EXTENSION_pop_free( WOLF_STACK_OF(WOLFSSL_X509_EXTENSION)* sk, void (*f) (WOLFSSL_X509_EXTENSION*)) { wolfSSL_sk_pop_free(sk, (wolfSSL_sk_freefunc)f); } #endif /* OPENSSL_EXTRA */ #if defined(OPENSSL_EXTRA) && !defined(NO_FILESYSTEM) && !defined(NO_STDIO_FILESYSTEM) WOLFSSL_X509* wolfSSL_X509_d2i_fp(WOLFSSL_X509** x509, XFILE file) { WOLFSSL_X509* newX509 = NULL; WOLFSSL_ENTER("wolfSSL_X509_d2i_fp"); if (file != XBADFILE) { byte* fileBuffer = NULL; long sz = 0; if (XFSEEK(file, 0, XSEEK_END) != 0) return NULL; sz = XFTELL(file); XREWIND(file); if (sz > MAX_WOLFSSL_FILE_SIZE || sz < 0) { WOLFSSL_MSG("X509_d2i file size error"); return NULL; } fileBuffer = (byte*)XMALLOC(sz, NULL, DYNAMIC_TYPE_FILE); if (fileBuffer != NULL) { int ret = (int)XFREAD(fileBuffer, 1, sz, file); if (ret == sz) { newX509 = wolfSSL_X509_d2i(NULL, fileBuffer, (int)sz); } XFREE(fileBuffer, NULL, DYNAMIC_TYPE_FILE); } } if (x509 != NULL) *x509 = newX509; return newX509; } #endif /* OPENSSL_EXTRA && !NO_FILESYSTEM && !NO_STDIO_FILESYSTEM */ #if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL) || \ defined(KEEP_PEER_CERT) || defined(SESSION_CERTS) #ifndef NO_FILESYSTEM WOLFSSL_ABI WOLFSSL_X509* wolfSSL_X509_load_certificate_file(const char* fname, int format) { #ifdef WOLFSSL_SMALL_STACK byte staticBuffer[1]; /* force heap usage */ #else byte staticBuffer[FILE_BUFFER_SIZE]; #endif byte* fileBuffer = staticBuffer; int dynamic = 0; int ret; long sz = 0; XFILE file; WOLFSSL_X509* x509 = NULL; /* Check the inputs */ if ((fname == NULL) || (format != WOLFSSL_FILETYPE_ASN1 && format != WOLFSSL_FILETYPE_PEM)) return NULL; file = XFOPEN(fname, "rb"); if (file == XBADFILE) return NULL; if (XFSEEK(file, 0, XSEEK_END) != 0){ XFCLOSE(file); return NULL; } sz = XFTELL(file); XREWIND(file); if (sz > MAX_WOLFSSL_FILE_SIZE || sz < 0) { WOLFSSL_MSG("X509_load_certificate_file size error"); XFCLOSE(file); return NULL; } if (sz > (long)sizeof(staticBuffer)) { fileBuffer = (byte*)XMALLOC(sz, NULL, DYNAMIC_TYPE_FILE); if (fileBuffer == NULL) { XFCLOSE(file); return NULL; } dynamic = 1; } ret = (int)XFREAD(fileBuffer, 1, sz, file); if (ret != sz) { XFCLOSE(file); if (dynamic) XFREE(fileBuffer, NULL, DYNAMIC_TYPE_FILE); return NULL; } XFCLOSE(file); x509 = wolfSSL_X509_load_certificate_buffer(fileBuffer, (int)sz, format); if (dynamic) XFREE(fileBuffer, NULL, DYNAMIC_TYPE_FILE); return x509; } #endif /* !NO_FILESYSTEM */ static WOLFSSL_X509* loadX509orX509REQFromBuffer( const unsigned char* buf, int sz, int format, int type) { int ret; WOLFSSL_X509* x509 = NULL; DerBuffer* der = NULL; WOLFSSL_ENTER("wolfSSL_X509_load_certificate_ex"); if (format == WOLFSSL_FILETYPE_PEM) { #ifdef WOLFSSL_PEM_TO_DER if (PemToDer(buf, sz, type, &der, NULL, NULL, NULL) != 0) { FreeDer(&der); } #else ret = NOT_COMPILED_IN; #endif } else { ret = AllocDer(&der, (word32)sz, type, NULL); if (ret == 0) { XMEMCPY(der->buffer, buf, sz); } } /* At this point we want `der` to have the certificate in DER format */ /* ready to be decoded. */ if (der != NULL && der->buffer != NULL) { #ifdef WOLFSSL_SMALL_STACK DecodedCert* cert; #else DecodedCert cert[1]; #endif #ifdef WOLFSSL_SMALL_STACK cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert), NULL, DYNAMIC_TYPE_DCERT); if (cert != NULL) #endif { InitDecodedCert(cert, der->buffer, der->length, NULL); if (ParseCertRelative(cert, type, 0, NULL) == 0) { x509 = (WOLFSSL_X509*)XMALLOC(sizeof(WOLFSSL_X509), NULL, DYNAMIC_TYPE_X509); if (x509 != NULL) { InitX509(x509, 1, NULL); if (CopyDecodedToX509(x509, cert) != 0) { wolfSSL_X509_free(x509); x509 = NULL; } } } FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif } FreeDer(&der); } return x509; } WOLFSSL_X509* wolfSSL_X509_load_certificate_buffer( const unsigned char* buf, int sz, int format) { return loadX509orX509REQFromBuffer(buf, sz, format, CERT_TYPE); } #ifdef WOLFSSL_CERT_REQ WOLFSSL_X509* wolfSSL_X509_REQ_load_certificate_buffer( const unsigned char* buf, int sz, int format) { return loadX509orX509REQFromBuffer(buf, sz, format, CERTREQ_TYPE); } #endif #endif /* KEEP_PEER_CERT || SESSION_CERTS */ #if defined(OPENSSL_EXTRA_X509_SMALL) || defined(KEEP_PEER_CERT) || \ defined(SESSION_CERTS) /* Smaller subset of X509 compatibility functions. Avoid increasing the size of * this subset and its memory usage */ /* returns a pointer to a new WOLFSSL_X509 structure on success and NULL on * fail */ WOLFSSL_X509* wolfSSL_X509_new(void) { WOLFSSL_X509* x509; x509 = (WOLFSSL_X509*)XMALLOC(sizeof(WOLFSSL_X509), NULL, DYNAMIC_TYPE_X509); if (x509 != NULL) { InitX509(x509, 1, NULL); } return x509; } WOLFSSL_ABI WOLFSSL_X509_NAME* wolfSSL_X509_get_subject_name(WOLFSSL_X509* cert) { WOLFSSL_ENTER("wolfSSL_X509_get_subject_name"); if (cert) return &cert->subject; return NULL; } #if defined(OPENSSL_EXTRA) && (!defined(NO_SHA) || !defined(NO_SHA256)) /****************************************************************************** * wolfSSL_X509_subject_name_hash - compute the hash digest of the raw subject name * This function prefers SHA-1 (if available) for compatibility * * RETURNS: * The beginning of the hash digest. Otherwise, returns zero. * Note: * Returns a different hash value from OpenSSL's X509_subject_name_hash() API * depending on the subject name. */ unsigned long wolfSSL_X509_subject_name_hash(const WOLFSSL_X509* x509) { unsigned long ret = 0; int retHash = NOT_COMPILED_IN; WOLFSSL_X509_NAME *subjectName = NULL; byte digest[WC_MAX_DIGEST_SIZE]; if (x509 == NULL) { return ret; } subjectName = wolfSSL_X509_get_subject_name((WOLFSSL_X509*)x509); if (subjectName != NULL) { #ifndef NO_SHA retHash = wc_ShaHash((const byte*)subjectName->name, (word32)subjectName->sz, digest); #elif !defined(NO_SHA256) retHash = wc_Sha256Hash((const byte*)subjectName->name, (word32)subjectName->sz, digest); #endif if (retHash == 0) { ret = (unsigned long)MakeWordFromHash(digest); } } return ret; } unsigned long wolfSSL_X509_issuer_name_hash(const WOLFSSL_X509* x509) { unsigned long ret = 0; int retHash = NOT_COMPILED_IN; WOLFSSL_X509_NAME *issuerName = NULL; byte digest[WC_MAX_DIGEST_SIZE]; if (x509 == NULL) { return ret; } issuerName = wolfSSL_X509_get_issuer_name((WOLFSSL_X509*)x509); if (issuerName != NULL) { #ifndef NO_SHA retHash = wc_ShaHash((const byte*)issuerName->name, (word32)issuerName->sz, digest); #elif !defined(NO_SHA256) retHash = wc_Sha256Hash((const byte*)issuerName->name, (word32)issuerName->sz, digest); #endif if (retHash == 0) { ret = (unsigned long)MakeWordFromHash(digest); } } return ret; } #endif /* OPENSSL_EXTRA && (!NO_SHA || !NO_SHA256) */ WOLFSSL_ABI WOLFSSL_X509_NAME* wolfSSL_X509_get_issuer_name(WOLFSSL_X509* cert) { WOLFSSL_ENTER("X509_get_issuer_name"); if (cert) return &cert->issuer; return NULL; } int wolfSSL_X509_get_signature_type(WOLFSSL_X509* x509) { int type = 0; WOLFSSL_ENTER("wolfSSL_X509_get_signature_type"); if (x509 != NULL) type = x509->sigOID; return type; } #if defined(OPENSSL_EXTRA_X509_SMALL) int wolfSSL_X509_NAME_get_sz(WOLFSSL_X509_NAME* name) { WOLFSSL_ENTER("wolfSSL_X509_NAME_get_sz"); if (!name) return -1; return name->sz; } /* Searches for the first ENTRY of type NID * idx is the location to start searching from, the value at when the entry was * found is stored into idx * returns a pointer to the entry on success and null on fail */ static WOLFSSL_X509_NAME_ENTRY* GetEntryByNID(WOLFSSL_X509_NAME* name, int nid, int* idx) { int i; WOLFSSL_X509_NAME_ENTRY* ret = NULL; /* and index of less than 0 is assumed to be starting from 0 */ if (*idx < 0) { *idx = 0; } for (i = *idx; i < MAX_NAME_ENTRIES; i++) { if (name->entry[i].nid == nid) { ret = &name->entry[i]; *idx = i; break; } } return ret; } /* Used to get a string from the WOLFSSL_X509_NAME structure that * corresponds with the NID value passed in. This finds the first entry with * matching NID value, if searching for the case where there is multiple * entries with the same NID value than other functions should be used * (i.e. wolfSSL_X509_NAME_get_index_by_NID, wolfSSL_X509_NAME_get_entry) * * name structure to get string from * nid NID value to search for * buf [out] buffer to hold results. If NULL then the buffer size minus the * null char is returned. * len size of "buf" passed in * * returns the length of string found, not including the NULL terminator. * It's possible the function could return a negative value in the * case that len is less than or equal to 0. A negative value is * considered an error case. */ int wolfSSL_X509_NAME_get_text_by_NID(WOLFSSL_X509_NAME* name, int nid, char* buf, int len) { WOLFSSL_X509_NAME_ENTRY* e; unsigned char *text = NULL; int textSz = 0; int idx = 0; WOLFSSL_ENTER("wolfSSL_X509_NAME_get_text_by_NID"); if (name == NULL) { WOLFSSL_MSG("NULL argument passed in"); return WOLFSSL_FATAL_ERROR; } e = GetEntryByNID(name, nid, &idx); if (e == NULL) { WOLFSSL_MSG("Entry type not found"); return WOLFSSL_FATAL_ERROR; } text = wolfSSL_ASN1_STRING_data(e->value); textSz = wolfSSL_ASN1_STRING_length(e->value); if (text == NULL) { WOLFSSL_MSG("Unable to get entry text"); return WOLFSSL_FATAL_ERROR; } /* if buf is NULL return size of buffer needed (minus null char) */ if (buf == NULL) { WOLFSSL_MSG("Buffer is NULL, returning buffer size only"); return textSz; } /* buf is not NULL from above */ if (text != NULL) { textSz = min(textSz + 1, len); /* + 1 to account for null char */ if (textSz > 0) { XMEMCPY(buf, text, textSz - 1); buf[textSz - 1] = '\0'; } } WOLFSSL_LEAVE("wolfSSL_X509_NAME_get_text_by_NID", textSz); return (textSz - 1); /* do not include null character in size */ } /* Creates a new WOLFSSL_EVP_PKEY structure that has the public key from x509 * * returns a pointer to the created WOLFSSL_EVP_PKEY on success and NULL on fail */ WOLFSSL_EVP_PKEY* wolfSSL_X509_get_pubkey(WOLFSSL_X509* x509) { WOLFSSL_EVP_PKEY* key = NULL; int ret; (void)ret; WOLFSSL_ENTER("X509_get_pubkey"); if (x509 != NULL) { key = wolfSSL_EVP_PKEY_new_ex(x509->heap); if (key != NULL) { if (x509->pubKeyOID == RSAk) { key->type = EVP_PKEY_RSA; } else if (x509->pubKeyOID == DSAk) { key->type = EVP_PKEY_DSA; } else { key->type = EVP_PKEY_EC; } key->save_type = 0; key->pkey.ptr = (char*)XMALLOC( x509->pubKey.length, x509->heap, DYNAMIC_TYPE_PUBLIC_KEY); if (key->pkey.ptr == NULL) { wolfSSL_EVP_PKEY_free(key); return NULL; } XMEMCPY(key->pkey.ptr, x509->pubKey.buffer, x509->pubKey.length); key->pkey_sz = x509->pubKey.length; #ifdef HAVE_ECC key->pkey_curve = (int)x509->pkCurveOID; #endif /* HAVE_ECC */ /* decode RSA key */ #ifndef NO_RSA if (key->type == EVP_PKEY_RSA) { key->ownRsa = 1; key->rsa = wolfSSL_RSA_new(); if (key->rsa == NULL) { wolfSSL_EVP_PKEY_free(key); return NULL; } if (wolfSSL_RSA_LoadDer_ex(key->rsa, (const unsigned char*)key->pkey.ptr, key->pkey_sz, WOLFSSL_RSA_LOAD_PUBLIC) != WOLFSSL_SUCCESS) { wolfSSL_EVP_PKEY_free(key); return NULL; } } #endif /* NO_RSA */ /* decode ECC key */ #if defined(HAVE_ECC) && defined(OPENSSL_EXTRA) if (key->type == EVP_PKEY_EC) { word32 idx = 0; key->ownEcc = 1; key->ecc = wolfSSL_EC_KEY_new(); if (key->ecc == NULL || key->ecc->internal == NULL) { wolfSSL_EVP_PKEY_free(key); return NULL; } /* not using wolfSSL_EC_KEY_LoadDer because public key in x509 * is in the format of x963 (no sequence at start of buffer) */ ret = wc_EccPublicKeyDecode((const unsigned char*)key->pkey.ptr, &idx, (ecc_key*)key->ecc->internal, key->pkey_sz); if (ret < 0) { WOLFSSL_ERROR_VERBOSE(ret); WOLFSSL_MSG("wc_EccPublicKeyDecode failed"); wolfSSL_EVP_PKEY_free(key); return NULL; } if (SetECKeyExternal(key->ecc) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("SetECKeyExternal failed"); wolfSSL_EVP_PKEY_free(key); return NULL; } key->ecc->inSet = 1; } #endif /* HAVE_ECC && OPENSSL_EXTRA */ #ifndef NO_DSA if (key->type == EVP_PKEY_DSA) { key->ownDsa = 1; key->dsa = wolfSSL_DSA_new(); if (key->dsa == NULL) { wolfSSL_EVP_PKEY_free(key); return NULL; } if (wolfSSL_DSA_LoadDer_ex(key->dsa, (const unsigned char*)key->pkey.ptr, key->pkey_sz, \ WOLFSSL_DSA_LOAD_PUBLIC) != WOLFSSL_SUCCESS) { wolfSSL_DSA_free(key->dsa); key->dsa = NULL; wolfSSL_EVP_PKEY_free(key); return NULL; } } #endif /* NO_DSA */ } } return key; } #endif /* OPENSSL_EXTRA_X509_SMALL */ /* End of smaller subset of X509 compatibility functions. Avoid increasing the * size of this subset and its memory usage */ #endif /* OPENSSL_EXTRA_X509_SMALL || KEEP_PEER_CERT || SESSION_CERTS */ #if defined(OPENSSL_ALL) /* * Converts a and b to DER and then does an XMEMCMP to check if they match. * Returns 0 when certificates match and WOLFSSL_FATAL_ERROR when they don't. */ int wolfSSL_X509_cmp(const WOLFSSL_X509 *a, const WOLFSSL_X509 *b) { const byte* derA; const byte* derB; int outSzA = 0; int outSzB = 0; if (a == NULL || b == NULL){ return BAD_FUNC_ARG; } derA = wolfSSL_X509_get_der((WOLFSSL_X509*)a, &outSzA); if (derA == NULL){ WOLFSSL_MSG("wolfSSL_X509_get_der - certificate A has failed"); return WOLFSSL_FATAL_ERROR; } derB = wolfSSL_X509_get_der((WOLFSSL_X509*)b, &outSzB); if (derB == NULL){ WOLFSSL_MSG("wolfSSL_X509_get_der - certificate B has failed"); return WOLFSSL_FATAL_ERROR; } if (outSzA != outSzB || XMEMCMP(derA, derB, outSzA) != 0) { WOLFSSL_LEAVE("wolfSSL_X509_cmp", WOLFSSL_FATAL_ERROR); return WOLFSSL_FATAL_ERROR; } WOLFSSL_LEAVE("wolfSSL_X509_cmp", 0); return 0; } #endif /* OPENSSL_ALL */ #if defined(OPENSSL_EXTRA) int wolfSSL_X509_ext_isSet_by_NID(WOLFSSL_X509* x509, int nid) { int isSet = 0; WOLFSSL_ENTER("wolfSSL_X509_ext_isSet_by_NID"); if (x509 != NULL) { switch (nid) { case NID_basic_constraints: isSet = x509->basicConstSet; break; case NID_subject_alt_name: isSet = x509->subjAltNameSet; break; case NID_authority_key_identifier: isSet = x509->authKeyIdSet; break; case NID_subject_key_identifier: isSet = x509->subjKeyIdSet; break; case NID_key_usage: isSet = x509->keyUsageSet; break; case NID_crl_distribution_points: isSet = x509->CRLdistSet; break; case NID_ext_key_usage: isSet = ((x509->extKeyUsageSrc) ? 1 : 0); break; case NID_info_access: isSet = x509->authInfoSet; break; #if defined(WOLFSSL_SEP) || defined(WOLFSSL_QT) case NID_certificate_policies: isSet = x509->certPolicySet; break; #endif /* WOLFSSL_SEP || WOLFSSL_QT */ default: WOLFSSL_MSG("NID not in table"); } } WOLFSSL_LEAVE("wolfSSL_X509_ext_isSet_by_NID", isSet); return isSet; } int wolfSSL_X509_ext_get_critical_by_NID(WOLFSSL_X509* x509, int nid) { int crit = 0; WOLFSSL_ENTER("wolfSSL_X509_ext_get_critical_by_NID"); if (x509 != NULL) { switch (nid) { case NID_basic_constraints: crit = x509->basicConstCrit; break; case NID_subject_alt_name: crit = x509->subjAltNameCrit; break; case NID_authority_key_identifier: crit = x509->authKeyIdCrit; break; case NID_subject_key_identifier: crit = x509->subjKeyIdCrit; break; case NID_key_usage: crit = x509->keyUsageCrit; break; case NID_crl_distribution_points: crit= x509->CRLdistCrit; break; case NID_ext_key_usage: crit= x509->extKeyUsageCrit; break; #if defined(WOLFSSL_SEP) || defined(WOLFSSL_QT) case NID_certificate_policies: crit = x509->certPolicyCrit; break; #endif /* WOLFSSL_SEP || WOLFSSL_QT */ } } WOLFSSL_LEAVE("wolfSSL_X509_ext_get_critical_by_NID", crit); return crit; } int wolfSSL_X509_get_isSet_pathLength(WOLFSSL_X509* x509) { int isSet = 0; WOLFSSL_ENTER("wolfSSL_X509_get_isSet_pathLength"); if (x509 != NULL) isSet = x509->basicConstPlSet; WOLFSSL_LEAVE("wolfSSL_X509_get_isSet_pathLength", isSet); return isSet; } word32 wolfSSL_X509_get_pathLength(WOLFSSL_X509* x509) { word32 pathLength = 0; WOLFSSL_ENTER("wolfSSL_X509_get_pathLength"); if (x509 != NULL) pathLength = x509->pathLength; WOLFSSL_LEAVE("wolfSSL_X509_get_pathLength", pathLength); return pathLength; } unsigned int wolfSSL_X509_get_keyUsage(WOLFSSL_X509* x509) { word16 usage = 0; WOLFSSL_ENTER("wolfSSL_X509_get_keyUsage"); if (x509 != NULL) usage = x509->keyUsage; WOLFSSL_LEAVE("wolfSSL_X509_get_keyUsage", usage); return usage; } byte* wolfSSL_X509_get_authorityKeyID(WOLFSSL_X509* x509, byte* dst, int* dstLen) { byte *id = NULL; int copySz = 0; WOLFSSL_ENTER("wolfSSL_X509_get_authorityKeyID"); if (x509 != NULL) { if (x509->authKeyIdSet) { copySz = min(dstLen != NULL ? *dstLen : 0, (int)x509->authKeyIdSz); id = x509->authKeyId; } if (dst != NULL && dstLen != NULL && id != NULL && copySz > 0) { XMEMCPY(dst, id, copySz); id = dst; *dstLen = copySz; } } WOLFSSL_LEAVE("wolfSSL_X509_get_authorityKeyID", copySz); return id; } byte* wolfSSL_X509_get_subjectKeyID(WOLFSSL_X509* x509, byte* dst, int* dstLen) { byte *id = NULL; int copySz = 0; WOLFSSL_ENTER("wolfSSL_X509_get_subjectKeyID"); if (x509 != NULL) { if (x509->subjKeyIdSet) { copySz = min(dstLen != NULL ? *dstLen : 0, (int)x509->subjKeyIdSz); id = x509->subjKeyId; } if (dst != NULL && dstLen != NULL && id != NULL && copySz > 0) { XMEMCPY(dst, id, copySz); id = dst; *dstLen = copySz; } } WOLFSSL_LEAVE("wolfSSL_X509_get_subjectKeyID", copySz); return id; } #endif /* OPENSSL_EXTRA */ #if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL) || \ defined(OPENSSL_EXTRA_X509_SMALL) /* Looks up the index of the first entry encountered with matching NID * The search starts from index 'pos' * returns a negative value on failure and positive index value on success*/ int wolfSSL_X509_NAME_get_index_by_NID(WOLFSSL_X509_NAME* name, int nid, int pos) { int value = nid, i; WOLFSSL_ENTER("wolfSSL_X509_NAME_get_index_by_NID"); if (name == NULL) { return BAD_FUNC_ARG; } i = pos + 1; /* start search after index passed in */ if (i < 0) { i = 0; } for (;i < name->entrySz && i < MAX_NAME_ENTRIES; i++) { if (name->entry[i].nid == value) { return i; } } return WOLFSSL_FATAL_ERROR; } WOLFSSL_ASN1_STRING* wolfSSL_X509_NAME_ENTRY_get_data( WOLFSSL_X509_NAME_ENTRY* in) { WOLFSSL_ENTER("wolfSSL_X509_NAME_ENTRY_get_data"); if (in == NULL) return NULL; return in->value; } #endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */ #ifdef OPENSSL_EXTRA #ifndef NO_BIO #ifndef MAX_WIDTH #define MAX_WIDTH 80 #endif static int X509PrintSubjAltName(WOLFSSL_BIO* bio, WOLFSSL_X509* x509, int indent) { int ret = WOLFSSL_SUCCESS; int nameCount = 0; DNS_entry* entry; if (bio == NULL || x509 == NULL) { ret = WOLFSSL_FAILURE; } if (ret == WOLFSSL_SUCCESS && x509->subjAltNameSet && x509->altNames != NULL) { char scratch[MAX_WIDTH]; int len; len = XSNPRINTF(scratch, MAX_WIDTH, "%*s", indent, ""); if (len >= MAX_WIDTH) ret = WOLFSSL_FAILURE; if (ret == WOLFSSL_SUCCESS) { if (wolfSSL_BIO_write(bio, scratch, (int)XSTRLEN(scratch)) <= 0) { ret = WOLFSSL_FAILURE; } } if (ret == WOLFSSL_SUCCESS) { entry = x509->altNames; while (entry != NULL) { ++nameCount; if (nameCount > 1) { if (wolfSSL_BIO_write(bio, ", ", 2) <= 0) { ret = WOLFSSL_FAILURE; break; } } if (entry->type == ASN_DNS_TYPE) { len = XSNPRINTF(scratch, MAX_WIDTH, "DNS:%s", entry->name); if (len >= MAX_WIDTH) { ret = WOLFSSL_FAILURE; break; } } #if defined(OPENSSL_ALL) || defined(WOLFSSL_IP_ALT_NAME) else if (entry->type == ASN_IP_TYPE) { len = XSNPRINTF(scratch, MAX_WIDTH, "IP Address:%s", entry->ipString); if (len >= MAX_WIDTH) { ret = WOLFSSL_FAILURE; break; } } #endif /* OPENSSL_ALL || WOLFSSL_IP_ALT_NAME */ else if (entry->type == ASN_RFC822_TYPE) { len = XSNPRINTF(scratch, MAX_WIDTH, "Email Address:%s", entry->name); if (len >= MAX_WIDTH) { ret = WOLFSSL_FAILURE; break; } } else { WOLFSSL_MSG("Bad alt name type."); ret = WOLFSSL_FAILURE; break; } if (wolfSSL_BIO_write(bio, scratch, (int)XSTRLEN(scratch)) <= 0) { ret = WOLFSSL_FAILURE; break; } entry = entry->next; } } if (ret == WOLFSSL_SUCCESS && wolfSSL_BIO_write(bio, "\n", 1) <= 0) { ret = WOLFSSL_FAILURE; } } return ret; } #ifdef XSNPRINTF static int X509PrintKeyUsage(WOLFSSL_BIO* bio, WOLFSSL_X509* x509, int indent) { int ret = WOLFSSL_SUCCESS; word32 i = 0; int usageCount = 0; const int usages[] = { KEYUSE_DIGITAL_SIG, KEYUSE_CONTENT_COMMIT, KEYUSE_KEY_ENCIPHER, KEYUSE_DATA_ENCIPHER, KEYUSE_KEY_AGREE, KEYUSE_KEY_CERT_SIGN, KEYUSE_CRL_SIGN, KEYUSE_ENCIPHER_ONLY, KEYUSE_DECIPHER_ONLY }; const char* usageStrs[] = { "Digital Signature", "Non Repudiation", "Key Encipherment", "Data Encipherment", "Key Agreement", "Certificate Sign", "CRL Sign", "Encipher Only", "Decipher Only" }; if (bio == NULL || x509 == NULL) { ret = WOLFSSL_FAILURE; } if (ret == WOLFSSL_SUCCESS && x509->keyUsageSet && x509->keyUsage != 0) { char scratch[MAX_WIDTH]; int len; len = XSNPRINTF(scratch, MAX_WIDTH, "%*s", indent, ""); if (len >= MAX_WIDTH) ret = WOLFSSL_FAILURE; if (ret == WOLFSSL_SUCCESS) { if (wolfSSL_BIO_write(bio, scratch, (int)XSTRLEN(scratch)) <= 0) { ret = WOLFSSL_FAILURE; } } for (; ret == WOLFSSL_SUCCESS && i < sizeof(usages) / sizeof(usages[i]); i++) { if (x509->keyUsage & usages[i]) { ++usageCount; if (usageCount > 1 && wolfSSL_BIO_write(bio, ", ", 2) <= 0) { ret = WOLFSSL_FAILURE; break; } if (wolfSSL_BIO_write(bio, usageStrs[i], (int)XSTRLEN(usageStrs[i])) <= 0) { ret = WOLFSSL_FAILURE; break; } } } if (ret == WOLFSSL_SUCCESS && wolfSSL_BIO_write(bio, "\n", 1) <= 0) { ret = WOLFSSL_FAILURE; } } return ret; } static int X509PrintExtendedKeyUsage(WOLFSSL_BIO* bio, WOLFSSL_X509* x509, int indent) { int ret = WOLFSSL_SUCCESS; word32 i = 0; int usageCount = 0; const int usages[] = { EXTKEYUSE_OCSP_SIGN, EXTKEYUSE_TIMESTAMP, EXTKEYUSE_EMAILPROT, EXTKEYUSE_CODESIGN, EXTKEYUSE_CLIENT_AUTH, EXTKEYUSE_SERVER_AUTH }; const char* usageStrs[] = { "OCSP Signing", "Time Stamping", "E-mail Protection", "Code Signing", "TLS Web Client Authentication", "TLS Web Server Authentication" }; if (bio == NULL || x509 == NULL) { ret = WOLFSSL_FAILURE; } if (ret == WOLFSSL_SUCCESS && x509->extKeyUsageCount > 0 && x509->extKeyUsage != 0) { char scratch[MAX_WIDTH]; int len; len = XSNPRINTF(scratch, MAX_WIDTH, "%*s", indent, ""); if (len >= MAX_WIDTH) ret = WOLFSSL_FAILURE; if (ret == WOLFSSL_SUCCESS) { if (wolfSSL_BIO_write(bio, scratch, (int)XSTRLEN(scratch)) <= 0) { ret = WOLFSSL_FAILURE; } } for (; ret == WOLFSSL_SUCCESS && i < sizeof(usages) / sizeof(usages[i]); i++) { if (x509->extKeyUsage & usages[i]) { ++usageCount; if (usageCount > 1 && wolfSSL_BIO_write(bio, ", ", 2) <= 0) { ret = WOLFSSL_FAILURE; break; } if (wolfSSL_BIO_write(bio, usageStrs[i], (int)XSTRLEN(usageStrs[i])) <= 0) { ret = WOLFSSL_FAILURE; break; } } } if (ret == WOLFSSL_SUCCESS && wolfSSL_BIO_write(bio, "\n", 1) <= 0) { ret = WOLFSSL_FAILURE; } } return ret; } /* print serial number out * return WOLFSSL_SUCCESS on success */ static int X509PrintSerial_ex(WOLFSSL_BIO* bio, byte* serial, int sz, int delimiter, int indent) { char scratch[MAX_WIDTH]; const int scratchSz = sizeof(scratch); int scratchLen; if ((scratchLen = XSNPRINTF(scratch, MAX_WIDTH, "%*sSerial Number:", indent, "")) >= MAX_WIDTH) { WOLFSSL_MSG("buffer overrun"); return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) { return WOLFSSL_FAILURE; } if (sz > (int)sizeof(byte)) { int i; int valLen; /* serial is larger than int size so print off hex values */ if ((scratchLen = XSNPRINTF( scratch, MAX_WIDTH, "%*s", indent, "")) >= MAX_WIDTH) { WOLFSSL_MSG("buffer overrun"); return WOLFSSL_FAILURE; } for (i = 0; i < sz; i++) { if ((valLen = XSNPRINTF( scratch + scratchLen, scratchSz - scratchLen, "%02x%s", serial[i], (i < sz - 1) ? (delimiter ? ":" : "") : "\n")) >= scratchSz - scratchLen) { WOLFSSL_MSG("buffer overrun"); return WOLFSSL_FAILURE; } scratchLen += valLen; } if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) { return WOLFSSL_FAILURE; } } /* if serial can fit into byte then print on the same line */ else { if ((scratchLen = XSNPRINTF( scratch, MAX_WIDTH, " %d (0x%x)\n", serial[0], serial[0])) >= MAX_WIDTH) { WOLFSSL_MSG("buffer overrun"); return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) { return WOLFSSL_FAILURE; } } return WOLFSSL_SUCCESS; } static int X509PrintSerial(WOLFSSL_BIO* bio, WOLFSSL_X509* x509, int indent) { unsigned char serial[32]; int sz = sizeof(serial); XMEMSET(serial, 0, sz); if (wolfSSL_X509_get_serial_number(x509, serial, &sz) == WOLFSSL_SUCCESS) { X509PrintSerial_ex(bio, serial, sz, 1, indent); } return WOLFSSL_SUCCESS; } /* iterate through certificate extensions printing them out in human readable * form * return WOLFSSL_SUCCESS on success */ static int X509PrintExtensions(WOLFSSL_BIO* bio, WOLFSSL_X509* x509, int indent) { int ret = WOLFSSL_SUCCESS; char scratch[MAX_WIDTH]; const int scratchSz = sizeof(scratch); int scratchLen; int count, i; char* buf = NULL; count = wolfSSL_X509_get_ext_count(x509); if (count <= 0) return WOLFSSL_SUCCESS; #ifdef WOLFSSL_CERT_REQ if (x509->isCSR) { if ((scratchLen = XSNPRINTF(scratch, MAX_WIDTH, "%*s%s\n", indent, "", "Requested extensions:")) >= MAX_WIDTH) { return WOLFSSL_FAILURE; } } else #endif { if ((scratchLen = XSNPRINTF(scratch, MAX_WIDTH, "%*s%s\n", indent, "", "X509v3 extensions:")) >= MAX_WIDTH) { return WOLFSSL_FAILURE; } } if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) { return WOLFSSL_FAILURE; } buf = (char*)XMALLOC(MAX_WIDTH-4-indent, x509->heap, DYNAMIC_TYPE_TMP_BUFFER); if (buf == NULL) { return WOLFSSL_FAILURE; } for (i = 0; (i < count) && (ret != WOLFSSL_FAILURE); i++) { WOLFSSL_X509_EXTENSION* ext; ext = wolfSSL_X509_get_ext(x509, i); if (ext != NULL) { WOLFSSL_ASN1_OBJECT* obj; int nid; char val[6]; int valLen; word32 j; obj = wolfSSL_X509_EXTENSION_get_object(ext); if (obj == NULL) { ret = WOLFSSL_FAILURE; break; } if (wolfSSL_OBJ_obj2txt(buf, MAX_WIDTH, obj, 0) == WOLFSSL_FAILURE) { ret = WOLFSSL_FAILURE; break; } if ((scratchLen = XSNPRINTF( scratch, MAX_WIDTH, "%*s%s%s\n", indent + 4, "", buf, (wolfSSL_X509_EXTENSION_get_critical(ext) ? ": Critical" : ":"))) >= MAX_WIDTH) { ret = WOLFSSL_FAILURE; break; } if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) { ret = WOLFSSL_FAILURE; break; } nid = wolfSSL_OBJ_obj2nid(obj); switch (nid) { case NID_subject_alt_name: ret = X509PrintSubjAltName(bio, x509, indent + 8); break; case NID_subject_key_identifier: if (!x509->subjKeyIdSet || x509->subjKeyId == NULL || x509->subjKeyIdSz == 0) { ret = WOLFSSL_FAILURE; break; } if ((scratchLen = XSNPRINTF( scratch, scratchSz, "%*s", indent + 8, "")) >= scratchSz) { ret = WOLFSSL_FAILURE; break; } for (j = 0; j < x509->subjKeyIdSz; j++) { if ((valLen = XSNPRINTF( val, sizeof(val), "%02X%s", x509->subjKeyId[j], (j < x509->subjKeyIdSz - 1) ? ":" : "\n")) >= (int)sizeof(val)) { ret = WOLFSSL_FAILURE; break; } if (scratchLen + valLen >= scratchSz) { if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) { ret = WOLFSSL_FAILURE; break; } scratchLen = 0; } XMEMCPY(scratch + scratchLen, val, valLen); scratchLen += valLen; } if (ret == WOLFSSL_FAILURE) break; if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) { ret = WOLFSSL_FAILURE; break; } break; case NID_authority_key_identifier: if (!x509->authKeyIdSet || x509->authKeyId == NULL || x509->authKeyIdSz == 0) { ret = WOLFSSL_FAILURE; break; } if ((scratchLen = XSNPRINTF( scratch, scratchSz, "%*s%s", indent + 8, "", "keyid:")) >= scratchSz) { ret = WOLFSSL_FAILURE; break; } for (j = 0; j < x509->authKeyIdSz; j++) { if ((valLen = XSNPRINTF( val, sizeof(val), "%02X%s", x509->authKeyId[j], (j < x509->authKeyIdSz - 1) ? ":" : "\n")) >= (int)sizeof(val)) { ret = WOLFSSL_FAILURE; break; } if (scratchLen >= scratchSz - valLen) { if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) { ret = WOLFSSL_FAILURE; break; } scratchLen = 0; } if (scratchLen + valLen >= scratchSz) { ret = WOLFSSL_FAILURE; break; } XMEMCPY(scratch + scratchLen, val, valLen); scratchLen += valLen; } if (ret == WOLFSSL_FAILURE) break; if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) { ret = WOLFSSL_FAILURE; break; } break; case NID_basic_constraints: if (!x509->basicConstSet) { ret = WOLFSSL_FAILURE; break; } if ((scratchLen = XSNPRINTF( scratch, scratchSz, "%*sCA:%s\n", indent + 8, "", (x509->isCa)? "TRUE": "FALSE")) >= scratchSz) { ret = WOLFSSL_FAILURE; break; } if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) { ret = WOLFSSL_FAILURE; break; } break; case NID_key_usage: ret = X509PrintKeyUsage(bio, x509, indent + 8); break; case NID_ext_key_usage: ret = X509PrintExtendedKeyUsage(bio, x509, indent + 8); break; default: /* extension nid not yet supported */ if ((scratchLen = XSNPRINTF( scratch, MAX_WIDTH, "%*sNID %d print not yet supported\n", indent + 8, "", nid)) >= MAX_WIDTH) { ret = WOLFSSL_FAILURE; break; } ret = wolfSSL_BIO_write(bio, scratch, scratchLen); } } } if (buf != NULL) { XFREE(buf, x509->heap, DYNAMIC_TYPE_TMP_BUFFER); } return ret; } /* print out the signature in human readable format for use with * wolfSSL_X509_print() * return WOLFSSL_SUCCESS on success */ static int X509PrintSignature_ex(WOLFSSL_BIO* bio, byte* sig, int sigSz, int sigNid, int algOnly, int indent) { char scratch[MAX_WIDTH]; int scratchLen; WOLFSSL_ASN1_OBJECT* obj = NULL; int ret = WOLFSSL_SUCCESS; int i; char tmp[100]; int tmpLen = 0; if (sigSz <= 0) { return WOLFSSL_SUCCESS; } if ((scratchLen = XSNPRINTF(scratch, MAX_WIDTH, "%*s%s", indent, "", "Signature Algorithm: ")) >= MAX_WIDTH) { ret = WOLFSSL_FAILURE; } if (ret == WOLFSSL_SUCCESS) { if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) ret = WOLFSSL_FAILURE; } if (ret == WOLFSSL_SUCCESS) { obj = wolfSSL_OBJ_nid2obj(sigNid); if (obj == NULL) ret = WOLFSSL_FAILURE; } if (ret == WOLFSSL_SUCCESS) { if (wolfSSL_OBJ_obj2txt(scratch, MAX_WIDTH, obj, 0) == WOLFSSL_FAILURE) { ret = WOLFSSL_FAILURE; } } if (ret == WOLFSSL_SUCCESS) { if ((tmpLen = XSNPRINTF(tmp, sizeof(tmp),"%s\n", scratch)) >= (int)sizeof(tmp)) { ret = WOLFSSL_FAILURE; } } if (ret == WOLFSSL_SUCCESS) { if (wolfSSL_BIO_write(bio, tmp, tmpLen) <= 0) ret = WOLFSSL_FAILURE; } /* Leave function if the desired content to print * is only the signature algorithm */ if (algOnly) { if (obj != NULL) wolfSSL_ASN1_OBJECT_free(obj); return ret; } if (ret == WOLFSSL_SUCCESS) { if ((tmpLen = XSNPRINTF(tmp, sizeof(tmp), "%*s", indent + 5, "")) >= (int)sizeof(tmp)) { ret = WOLFSSL_FAILURE; } } if (ret == WOLFSSL_SUCCESS) { for (i = 0; i < sigSz; i++) { char val[6]; int valLen; if (i == 0) { if ((valLen = XSNPRINTF(val, sizeof(val), "%02x", sig[i])) >= (int)sizeof(val)) { ret = WOLFSSL_FAILURE; break; } } else if (((i % 18) == 0)) { if (wolfSSL_BIO_write(bio, tmp, tmpLen) <= 0) { ret = WOLFSSL_FAILURE; break; } if ((tmpLen = XSNPRINTF(tmp, sizeof(tmp), ":\n%*s", indent + 5, "")) >= (int)sizeof(tmp)) { ret = WOLFSSL_FAILURE; break; } if ((valLen = XSNPRINTF(val, sizeof(val), "%02x", sig[i])) >= (int)sizeof(val)) { ret = WOLFSSL_FAILURE; break; } } else { if ((valLen = XSNPRINTF(val, sizeof(val), ":%02x", sig[i])) >= (int)sizeof(val)) { ret = WOLFSSL_FAILURE; break; } } if (valLen >= (int)sizeof(tmp) - tmpLen - 1) { ret = WOLFSSL_FAILURE; break; } XMEMCPY(tmp + tmpLen, val, valLen); tmpLen += valLen; tmp[tmpLen] = 0; } } /* print out remaining sig values */ if (ret == WOLFSSL_SUCCESS) { if (tmpLen > 0) { if (wolfSSL_BIO_write(bio, tmp, tmpLen) <= 0) { ret = WOLFSSL_FAILURE; } } } if (obj != NULL) wolfSSL_ASN1_OBJECT_free(obj); return ret; } static int X509PrintSignature(WOLFSSL_BIO* bio, WOLFSSL_X509* x509, int algOnly, int indent) { int sigSz = 0; if (wolfSSL_X509_get_signature(x509, NULL, &sigSz) <= 0) { return WOLFSSL_FAILURE; } if (sigSz > 0) { unsigned char* sig; int sigNid; sigNid = wolfSSL_X509_get_signature_nid(x509); if (sigNid <= 0) { return WOLFSSL_FAILURE; } sig = (unsigned char*)XMALLOC(sigSz, NULL, DYNAMIC_TYPE_TMP_BUFFER); if (sig == NULL) { return WOLFSSL_FAILURE; } if (wolfSSL_X509_get_signature(x509, sig, &sigSz) <= 0) { XFREE(sig, NULL, DYNAMIC_TYPE_TMP_BUFFER); return WOLFSSL_FAILURE; } if (X509PrintSignature_ex(bio, sig, sigSz, sigNid, algOnly, indent) != WOLFSSL_SUCCESS) { XFREE(sig, NULL, DYNAMIC_TYPE_TMP_BUFFER); return WOLFSSL_FAILURE; } if (sig != NULL) { XFREE(sig, NULL, DYNAMIC_TYPE_TMP_BUFFER); } } return WOLFSSL_SUCCESS; } /* print out the public key in human readable format for use with * wolfSSL_X509_print() * return WOLFSSL_SUCCESS on success */ static int X509PrintPubKey(WOLFSSL_BIO* bio, WOLFSSL_X509* x509, int indent) { char scratch[MAX_WIDTH]; WOLFSSL_EVP_PKEY* pubKey; int len; int ret = WOLFSSL_SUCCESS; len = XSNPRINTF(scratch, MAX_WIDTH, "%*sPublic Key:\n", indent, ""); if (len >= MAX_WIDTH) return WOLFSSL_FAILURE; if (wolfSSL_BIO_write(bio, scratch, len) <= 0) return WOLFSSL_FAILURE; pubKey = wolfSSL_X509_get_pubkey(x509); if (pubKey == NULL) return WOLFSSL_FAILURE; ret = wolfSSL_EVP_PKEY_print_public(bio, pubKey, indent + 4, NULL); wolfSSL_EVP_PKEY_free(pubKey); return ret; } /* human readable print out of x509 name formatted for use with * wolfSSL_X509_print() * return WOLFSSL_SUCCESS on success */ static int X509PrintName(WOLFSSL_BIO* bio, WOLFSSL_X509_NAME* name, char* type, int indent) { char scratch[MAX_WIDTH]; int scratchLen; if (name != NULL) { if ((scratchLen = XSNPRINTF(scratch, MAX_WIDTH, "%*s%s", indent, "", type)) >= MAX_WIDTH) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) { return WOLFSSL_FAILURE; } if (wolfSSL_X509_NAME_print_ex(bio, name, 1, 0) <= 0) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, "\n", (int)XSTRLEN("\n")) <= 0) { return WOLFSSL_FAILURE; } } return WOLFSSL_SUCCESS; } /* human readable print out of x509 version * return WOLFSSL_SUCCESS on success */ static int X509PrintVersion(WOLFSSL_BIO* bio, int version, int indent) { char scratch[MAX_WIDTH]; int scratchLen; if ((scratchLen = XSNPRINTF(scratch, MAX_WIDTH, "%*s%s", indent, "", "Version:")) >= MAX_WIDTH) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) { return WOLFSSL_FAILURE; } if ((scratchLen = XSNPRINTF(scratch, MAX_WIDTH, " %d (0x%x)\n", version, (byte)version-1)) >= MAX_WIDTH) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) { return WOLFSSL_FAILURE; } return WOLFSSL_SUCCESS; } #ifdef WOLFSSL_CERT_REQ /* Print out of REQ attributes * return WOLFSSL_SUCCESS on success */ static int X509PrintReqAttributes(WOLFSSL_BIO* bio, WOLFSSL_X509* x509, int indent) { WOLFSSL_X509_ATTRIBUTE* attr; char scratch[MAX_WIDTH]; int scratchLen; int i = 0; if ((scratchLen = XSNPRINTF(scratch, MAX_WIDTH, "%*s%s", indent, "", "Attributes: \n")) >= MAX_WIDTH) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) { return WOLFSSL_FAILURE; } do { attr = wolfSSL_X509_REQ_get_attr(x509, i); if (attr != NULL) { char lName[NAME_SZ/4]; /* NAME_SZ default is 80 */ int lNameSz = NAME_SZ/4; const byte* data; if (wolfSSL_OBJ_obj2txt(lName, lNameSz, attr->object, 0) == WOLFSSL_FAILURE) { return WOLFSSL_FAILURE; } lNameSz = (int)XSTRLEN(lName); data = wolfSSL_ASN1_STRING_get0_data( attr->value->value.asn1_string); if (data == NULL) { WOLFSSL_MSG("No REQ attribute found when expected"); return WOLFSSL_FAILURE; } if ((scratchLen = XSNPRINTF(scratch, MAX_WIDTH, "%*s%s%*s:%s\n", indent+4, "", lName, (NAME_SZ/4)-lNameSz, "", data)) >= MAX_WIDTH) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) { WOLFSSL_MSG("Error writing REQ attribute"); return WOLFSSL_FAILURE; } } i++; } while (attr != NULL); return WOLFSSL_SUCCESS; } /* * return WOLFSSL_SUCCESS on success */ int wolfSSL_X509_REQ_print(WOLFSSL_BIO* bio, WOLFSSL_X509* x509) { char subjType[] = "Subject: "; if (bio == NULL || x509 == NULL) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, "Certificate Request:\n", (int)XSTRLEN("Certificate Request:\n")) <= 0) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, " Data:\n", (int)XSTRLEN(" Data:\n")) <= 0) { return WOLFSSL_FAILURE; } /* print version of cert */ if (X509PrintVersion(bio, wolfSSL_X509_version(x509), 8) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } if (X509PrintSerial(bio, x509, 8) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } /* print subject */ if (X509PrintName(bio, wolfSSL_X509_get_subject_name(x509), subjType, 8) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } /* get and print public key */ if (X509PrintPubKey(bio, x509, 8) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } /* print out extensions */ if (X509PrintExtensions(bio, x509, 4) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } /* print out req attributes */ if (X509PrintReqAttributes(bio, x509, 4) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } /* print out signature */ if (X509PrintSignature(bio, x509, 0, 4) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } /* done with print out */ if (wolfSSL_BIO_write(bio, "\n\0", (int)XSTRLEN("\n\0")) <= 0) { return WOLFSSL_FAILURE; } return WOLFSSL_SUCCESS; } #endif /* WOLFSSL_CERT_REQ */ /* Writes the human readable form of x509 to bio. * * bio WOLFSSL_BIO to write to. * x509 Certificate to write. * * returns WOLFSSL_SUCCESS on success and WOLFSSL_FAILURE on failure */ int wolfSSL_X509_print_ex(WOLFSSL_BIO* bio, WOLFSSL_X509* x509, unsigned long nmflags, unsigned long cflag) { char issuType[] = "Issuer: "; char subjType[] = "Subject: "; WOLFSSL_ENTER("wolfSSL_X509_print_ex"); /* flags currently not supported */ (void)nmflags; (void)cflag; if (bio == NULL || x509 == NULL) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, "Certificate:\n", (int)XSTRLEN("Certificate:\n")) <= 0) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, " Data:\n", (int)XSTRLEN(" Data:\n")) <= 0) { return WOLFSSL_FAILURE; } /* print version of cert */ if (X509PrintVersion(bio, wolfSSL_X509_version(x509), 8) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } /* print serial number out */ if (X509PrintSerial(bio, x509, 8) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } /* print out signature algo*/ if (X509PrintSignature(bio, x509, 1, 8) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } /* print issuer */ if (X509PrintName(bio, wolfSSL_X509_get_issuer_name(x509), issuType, 8) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } #ifndef NO_ASN_TIME /* print validity */ { char tmp[80]; if (wolfSSL_BIO_write(bio, " Validity\n", (int)XSTRLEN(" Validity\n")) <= 0) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, " Not Before: ", (int)XSTRLEN(" Not Before: ")) <= 0) { return WOLFSSL_FAILURE; } if (x509->notBefore.length > 0) { if (GetTimeString(x509->notBefore.data, ASN_UTC_TIME, tmp, sizeof(tmp)) != WOLFSSL_SUCCESS) { if (GetTimeString(x509->notBefore.data, ASN_GENERALIZED_TIME, tmp, sizeof(tmp)) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Error getting not before date"); return WOLFSSL_FAILURE; } } } else { XSTRNCPY(tmp, "Not Set", sizeof(tmp)-1); } tmp[sizeof(tmp) - 1] = '\0'; /* make sure null terminated */ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, "\n Not After : ", (int)XSTRLEN("\n Not After : ")) <= 0) { return WOLFSSL_FAILURE; } if (x509->notAfter.length > 0) { if (GetTimeString(x509->notAfter.data, ASN_UTC_TIME, tmp, sizeof(tmp)) != WOLFSSL_SUCCESS) { if (GetTimeString(x509->notAfter.data, ASN_GENERALIZED_TIME, tmp, sizeof(tmp)) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Error getting not after date"); return WOLFSSL_FAILURE; } } } else { XSTRNCPY(tmp, "Not Set", sizeof(tmp)-1); } tmp[sizeof(tmp) - 1] = '\0'; /* make sure null terminated */ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, "\n\0", (int)XSTRLEN("\n\0")) <= 0) { return WOLFSSL_FAILURE; } } #endif /* print subject */ if (X509PrintName(bio, wolfSSL_X509_get_subject_name(x509), subjType, 8) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } /* get and print public key */ if (X509PrintPubKey(bio, x509, 8) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } /* print out extensions */ if (X509PrintExtensions(bio, x509, 8) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } /* print out signature */ if (X509PrintSignature(bio, x509, 0, 8) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } /* done with print out */ if (wolfSSL_BIO_write(bio, "\n\0", (int)XSTRLEN("\n\0")) <= 0) { return WOLFSSL_FAILURE; } return WOLFSSL_SUCCESS; } int wolfSSL_X509_print(WOLFSSL_BIO* bio, WOLFSSL_X509* x509) { return wolfSSL_X509_print_ex(bio, x509, 0, 0); } #ifndef NO_FILESYSTEM int wolfSSL_X509_print_fp(XFILE fp, WOLFSSL_X509 *x509) { WOLFSSL_BIO* bio; int ret; WOLFSSL_ENTER("wolfSSL_X509_print_fp"); if (!fp || !x509) { WOLFSSL_MSG("Bad parameter"); return WOLFSSL_FAILURE; } if (!(bio = wolfSSL_BIO_new(wolfSSL_BIO_s_file()))) { WOLFSSL_MSG("wolfSSL_BIO_new wolfSSL_BIO_s_file error"); return WOLFSSL_FAILURE; } if (wolfSSL_BIO_set_fp(bio, fp, BIO_NOCLOSE) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("wolfSSL_BIO_set_fp error"); wolfSSL_BIO_free(bio); return WOLFSSL_FAILURE; } ret = wolfSSL_X509_print(bio, x509); wolfSSL_BIO_free(bio); return ret; } #endif /* NO_FILESYSTEM */ #endif /* XSNPRINTF */ int wolfSSL_X509_signature_print(WOLFSSL_BIO *bp, const WOLFSSL_X509_ALGOR *sigalg, const WOLFSSL_ASN1_STRING *sig) { int length = 0; word32 idx = 0; int i; (void)sig; WOLFSSL_ENTER("wolfSSL_X509_signature_print"); if (!bp || !sigalg) { WOLFSSL_MSG("Bad parameter"); return WOLFSSL_FAILURE; } if ((sigalg->algorithm->obj == NULL) || (sigalg->algorithm->obj[idx] != ASN_OBJECT_ID)) { WOLFSSL_MSG("Bad ASN1 Object"); return WOLFSSL_FAILURE; } idx++; /* skip object id */ if (GetLength((const byte*)sigalg->algorithm->obj, &idx, &length, sigalg->algorithm->objSz) < 0 || length < 0) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_puts(bp, " Raw Signature Algorithm:") <= 0) { WOLFSSL_MSG("wolfSSL_BIO_puts error"); return WOLFSSL_FAILURE; } for (i = 0; i < length; ++i) { char hex_digits[4]; #ifdef XSNPRINTF if (XSNPRINTF(hex_digits, sizeof(hex_digits), "%c%02X", i>0 ? ':' : ' ', (unsigned int)sigalg->algorithm->obj[idx+i]) >= (int)sizeof(hex_digits)) { WOLFSSL_MSG("buffer overrun"); return WOLFSSL_FAILURE; } #else XSPRINTF(hex_digits, "%c%02X", i>0 ? ':' : ' ', (unsigned int)sigalg->algorithm->obj[idx+i]); #endif if (wolfSSL_BIO_puts(bp, hex_digits) <= 0) return WOLFSSL_FAILURE; } if (wolfSSL_BIO_puts(bp, "\n") <= 0) return WOLFSSL_FAILURE; return WOLFSSL_SUCCESS; } #endif /* !NO_BIO */ #ifndef NO_WOLFSSL_STUB void wolfSSL_X509_get0_signature(const WOLFSSL_ASN1_BIT_STRING **psig, const WOLFSSL_X509_ALGOR **palg, const WOLFSSL_X509 *x509) { (void)psig; (void)palg; (void)x509; WOLFSSL_STUB("wolfSSL_X509_get0_signature"); } #endif #endif /* OPENSSL_EXTRA */ #if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL) const char* wolfSSL_X509_verify_cert_error_string(long err) { return wolfSSL_ERR_reason_error_string(err); } #endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */ #ifdef OPENSSL_EXTRA #ifndef NO_WOLFSSL_STUB int wolfSSL_X509_LOOKUP_add_dir(WOLFSSL_X509_LOOKUP* lookup, const char* dir, long len) { (void)lookup; (void)dir; (void)len; WOLFSSL_STUB("X509_LOOKUP_add_dir"); return 0; } #endif int wolfSSL_X509_LOOKUP_load_file(WOLFSSL_X509_LOOKUP* lookup, const char* file, long type) { #if !defined(NO_FILESYSTEM) && \ (defined(WOLFSSL_PEM_TO_DER) || defined(WOLFSSL_DER_TO_PEM)) int ret = WOLFSSL_FAILURE; XFILE fp; long sz; byte* pem = NULL; byte* curr = NULL; byte* prev = NULL; WOLFSSL_X509* x509; const char* header = NULL; const char* footer = NULL; if (type != X509_FILETYPE_PEM) return WS_RETURN_CODE(BAD_FUNC_ARG, (int)WOLFSSL_FAILURE); fp = XFOPEN(file, "rb"); if (fp == XBADFILE) return WS_RETURN_CODE(BAD_FUNC_ARG, (int)WOLFSSL_FAILURE); if(XFSEEK(fp, 0, XSEEK_END) != 0) { XFCLOSE(fp); return WS_RETURN_CODE(WOLFSSL_BAD_FILE,WOLFSSL_FAILURE); } sz = XFTELL(fp); XREWIND(fp); if (sz > MAX_WOLFSSL_FILE_SIZE || sz <= 0) { WOLFSSL_MSG("X509_LOOKUP_load_file size error"); goto end; } pem = (byte*)XMALLOC(sz, 0, DYNAMIC_TYPE_PEM); if (pem == NULL) { ret = MEMORY_ERROR; goto end; } /* Read in file which may be CRLs or certificates. */ if (XFREAD(pem, (size_t)sz, 1, fp) != 1) goto end; prev = curr = pem; do { /* get PEM header and footer based on type */ if (wc_PemGetHeaderFooter(CRL_TYPE, &header, &footer) == 0 && XSTRNSTR((char*)curr, header, (unsigned int)sz) != NULL) { #ifdef HAVE_CRL WOLFSSL_CERT_MANAGER* cm = lookup->store->cm; if (cm->crl == NULL) { if (wolfSSL_CertManagerEnableCRL(cm, 0) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Enable CRL failed"); goto end; } } ret = BufferLoadCRL(cm->crl, curr, sz, WOLFSSL_FILETYPE_PEM, NO_VERIFY); if (ret != WOLFSSL_SUCCESS) goto end; #endif curr = (byte*)XSTRNSTR((char*)curr, footer, (unsigned int)sz); } else if (wc_PemGetHeaderFooter(CERT_TYPE, &header, &footer) == 0 && XSTRNSTR((char*)curr, header, (unsigned int)sz) != NULL) { x509 = wolfSSL_X509_load_certificate_buffer(curr, (int)sz, WOLFSSL_FILETYPE_PEM); if (x509 == NULL) goto end; ret = wolfSSL_X509_STORE_add_cert(lookup->store, x509); wolfSSL_X509_free(x509); if (ret != WOLFSSL_SUCCESS) goto end; curr = (byte*)XSTRNSTR((char*)curr, footer, (unsigned int)sz); } else goto end; if (curr == NULL) goto end; curr++; sz -= (long)(curr - prev); prev = curr; } while (ret == WOLFSSL_SUCCESS); end: if (pem != NULL) XFREE(pem, 0, DYNAMIC_TYPE_PEM); XFCLOSE(fp); return WS_RETURN_CODE(ret, (int)WOLFSSL_FAILURE); #else (void)lookup; (void)file; (void)type; return WS_RETURN_CODE(WOLFSSL_FAILURE,WOLFSSL_FAILURE); #endif } WOLFSSL_X509_LOOKUP_METHOD* wolfSSL_X509_LOOKUP_hash_dir(void) { /* Method implementation in functions. */ static WOLFSSL_X509_LOOKUP_METHOD meth = { 1 }; return &meth; } WOLFSSL_X509_LOOKUP_METHOD* wolfSSL_X509_LOOKUP_file(void) { /* Method implementation in functions. */ static WOLFSSL_X509_LOOKUP_METHOD meth = { 0 }; return &meth; } /* set directory path to load certificate or CRL which have the hash.N form */ /* for late use */ /* @param ctx a pointer to WOLFSSL_BY_DIR structure */ /* @param argc directory path */ /* @param argl file type, either WOLFSSL_FILETYPE_PEM or */ /* WOLFSSL_FILETYPE_ASN1 */ /* @return WOLFSSL_SUCCESS on successful, othewise negative or zero */ static int x509AddCertDir(WOLFSSL_BY_DIR *ctx, const char *argc, long argl) { #if defined(OPENSSL_ALL) && !defined(NO_FILESYSTEM) && !defined(NO_WOLFSSL_DIR) WOLFSSL_BY_DIR_entry *entry; size_t pathLen; int i, num; const char* c; #ifdef WOLFSSL_SMALL_STACK char *buf; #else char buf[MAX_FILENAME_SZ]; #endif WOLFSSL_ENTER("x509AddCertDir"); pathLen = 0; c = argc; /* sanity check, zero length */ if (ctx == NULL || c == NULL || *c == '\0') return WOLFSSL_FAILURE; #ifdef WOLFSSL_SMALL_STACK buf = (char*)XMALLOC(MAX_FILENAME_SZ, NULL, DYNAMIC_TYPE_OPENSSL); if (buf == NULL) { WOLFSSL_LEAVE("x509AddCertDir", MEMORY_E); return MEMORY_E; } #endif XMEMSET(buf, 0, MAX_FILENAME_SZ); do { if (*c == SEPARATOR_CHAR || *c == '\0') { num = wolfSSL_sk_BY_DIR_entry_num(ctx->dir_entry); for (i=0; idir_entry, i); if (XSTRLEN(entry->dir_name) == pathLen && XSTRNCMP(entry->dir_name, buf, pathLen) == 0) { WOLFSSL_MSG("dir entry found"); break; } } if (num == -1 || i == num) { WOLFSSL_MSG("no entry found"); if (ctx->dir_entry == NULL) { ctx->dir_entry = wolfSSL_sk_BY_DIR_entry_new_null(); if (ctx->dir_entry == NULL) { WOLFSSL_MSG("failed to allocate dir_entry"); #ifdef WOLFSSL_SMALL_STACK XFREE(buf, 0, DYNAMIC_TYPE_OPENSSL); #endif return 0; } } entry = wolfSSL_BY_DIR_entry_new(); if (entry == NULL) { WOLFSSL_MSG("failed to allocate dir entry"); #ifdef WOLFSSL_SMALL_STACK XFREE(buf, 0, DYNAMIC_TYPE_OPENSSL); #endif return 0; } entry->dir_type = (int)argl; entry->dir_name = (char*)XMALLOC(pathLen + 1/* \0 termination*/ , NULL, DYNAMIC_TYPE_OPENSSL); entry->hashes = wolfSSL_sk_BY_DIR_HASH_new_null(); if (entry->dir_name == NULL || entry->hashes == NULL) { WOLFSSL_MSG("failed to allocate dir name"); wolfSSL_BY_DIR_entry_free(entry); #ifdef WOLFSSL_SMALL_STACK XFREE(buf, 0, DYNAMIC_TYPE_OPENSSL); #endif return 0; } XSTRNCPY(entry->dir_name, buf, pathLen); entry->dir_name[pathLen] = '\0'; if (wolfSSL_sk_BY_DIR_entry_push(ctx->dir_entry, entry) != WOLFSSL_SUCCESS) { wolfSSL_BY_DIR_entry_free(entry); #ifdef WOLFSSL_SMALL_STACK XFREE(buf, 0, DYNAMIC_TYPE_OPENSSL); #endif return 0; } } /* skip separator */ if (*c == SEPARATOR_CHAR) c++; pathLen = 0; XMEMSET(buf, 0, MAX_FILENAME_SZ); } buf[pathLen++] = *c; } while(*c++ != '\0'); #ifdef WOLFSSL_SMALL_STACK XFREE(buf, 0, DYNAMIC_TYPE_OPENSSL); #endif return WOLFSSL_SUCCESS; #else (void)ctx; (void)argc; (void)argl; return WOLFSSL_NOT_IMPLEMENTED; #endif } /* set additional data to X509_LOOKUP */ /* @param ctx a pointer to X509_LOOKUP structure */ /* @param cmd control command : */ /* X509_L_FILE_LOAD, X509_L_ADD_DIR X509_L_ADD_STORE or */ /* X509_L_LOAD_STORE */ /* @param argc arguments for the control command */ /* @param argl arguments for the control command */ /* @param **ret return value of the control command */ /* @return WOLFSSL_SUCCESS on successful, othewise WOLFSSL_FAILURE */ /* note: WOLFSSL_X509_L_ADD_STORE and WOLFSSL_X509_L_LOAD_STORE have not*/ /* yet implemented. It retutns WOLFSSL_NOT_IMPLEMENTED */ /* when those control commands are passed. */ int wolfSSL_X509_LOOKUP_ctrl(WOLFSSL_X509_LOOKUP *ctx, int cmd, const char *argc, long argl, char **ret) { int lret = WOLFSSL_FAILURE; WOLFSSL_ENTER("wolfSSL_X509_LOOKUP_ctrl"); #if !defined(NO_FILESYSTEM) if (ctx != NULL) { switch (cmd) { case WOLFSSL_X509_L_FILE_LOAD: /* expects to return a number of processed cert or crl file */ lret = wolfSSL_X509_load_cert_crl_file(ctx, argc, (int)argl) > 0 ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE; break; case WOLFSSL_X509_L_ADD_DIR: /* store directory loaction to use it later */ #if !defined(NO_WOLFSSL_DIR) lret = x509AddCertDir(ctx->dirs, argc, argl); #else (void)x509AddCertDir; lret = WOLFSSL_NOT_IMPLEMENTED; #endif break; case WOLFSSL_X509_L_ADD_STORE: case WOLFSSL_X509_L_LOAD_STORE: return WOLFSSL_NOT_IMPLEMENTED; default: break; } } (void)ret; #else (void)ctx; (void)argc; (void)argl; (void)ret; (void)cmd; (void)x509AddCertDir; lret = WOLFSSL_NOT_IMPLEMENTED; #endif return lret; } #if defined(WOLFSSL_CERT_GEN) static int wolfssl_x509_make_der(WOLFSSL_X509* x509, int req, unsigned char* der, int* derSz, int includeSig); #endif #ifdef WOLFSSL_CERT_GEN #ifndef NO_BIO /* Converts the X509 to DER format and outputs it into bio. * * bio is the structure to hold output DER * x509 certificate to create DER from * req if set then a CSR is generated * * returns WOLFSSL_SUCCESS on success */ static int loadX509orX509REQFromBio(WOLFSSL_BIO* bio, WOLFSSL_X509* x509, int req) { int ret = WOLFSSL_FAILURE; /* Get large buffer to hold cert der */ int derSz = X509_BUFFER_SZ; #ifdef WOLFSSL_SMALL_STACK byte* der; #else byte der[X509_BUFFER_SZ]; #endif WOLFSSL_ENTER("wolfSSL_i2d_X509_bio"); if (bio == NULL || x509 == NULL) { return WOLFSSL_FAILURE; } #ifdef WOLFSSL_SMALL_STACK der = (byte*)XMALLOC(derSz, NULL, DYNAMIC_TYPE_TMP_BUFFER); if (!der) { WOLFSSL_MSG("malloc failed"); return WOLFSSL_FAILURE; } #endif if (wolfssl_x509_make_der(x509, req, der, &derSz, 1) != WOLFSSL_SUCCESS) { goto cleanup; } if (wolfSSL_BIO_write(bio, der, derSz) != derSz) { goto cleanup; } ret = WOLFSSL_SUCCESS; cleanup: #ifdef WOLFSSL_SMALL_STACK XFREE(der, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif return ret; } /* Converts the X509 to DER format and outputs it into bio. * * bio is the structure to hold output DER * x509 certificate to create DER from * * returns WOLFSSL_SUCCESS on success */ int wolfSSL_i2d_X509_bio(WOLFSSL_BIO* bio, WOLFSSL_X509* x509) { return loadX509orX509REQFromBio(bio, x509, 0); } #ifdef WOLFSSL_CERT_REQ int wolfSSL_i2d_X509_REQ_bio(WOLFSSL_BIO* bio, WOLFSSL_X509* x509) { return loadX509orX509REQFromBio(bio, x509, 1); } #endif /* WOLFSSL_CERT_REQ */ #endif /* !NO_BIO */ #endif /* WOLFSSL_CERT_GEN */ /* Converts an internal structure to a DER buffer * * x509 structure to get DER buffer from * out buffer to hold result. If NULL then *out is NULL then a new buffer is * created. * * returns the size of the DER result on success */ int wolfSSL_i2d_X509(WOLFSSL_X509* x509, unsigned char** out) { const unsigned char* der; int derSz = 0; WOLFSSL_ENTER("wolfSSL_i2d_X509"); if (x509 == NULL) { WOLFSSL_LEAVE("wolfSSL_i2d_X509", BAD_FUNC_ARG); return BAD_FUNC_ARG; } der = wolfSSL_X509_get_der(x509, &derSz); if (der == NULL) { WOLFSSL_LEAVE("wolfSSL_i2d_X509", MEMORY_E); return MEMORY_E; } if (out != NULL && *out == NULL) { *out = (unsigned char*)XMALLOC(derSz, NULL, DYNAMIC_TYPE_OPENSSL); if (*out == NULL) { WOLFSSL_LEAVE("wolfSSL_i2d_X509", MEMORY_E); return MEMORY_E; } } if (out != NULL) XMEMCPY(*out, der, derSz); WOLFSSL_LEAVE("wolfSSL_i2d_X509", derSz); return derSz; } #ifndef NO_BIO /** * Converts the DER from bio and creates a WOLFSSL_X509 structure from it. * @param bio is the structure holding DER * @param x509 certificate to create from DER. Can be NULL * @param req 1 for a CSR and 0 for a x509 cert * @return pointer to WOLFSSL_X509 structure on success and NULL on fail */ static WOLFSSL_X509* d2i_X509orX509REQ_bio(WOLFSSL_BIO* bio, WOLFSSL_X509** x509, int req) { WOLFSSL_X509* localX509 = NULL; byte* mem = NULL; int size; WOLFSSL_ENTER("wolfSSL_d2i_X509_bio"); if (bio == NULL) { WOLFSSL_MSG("Bad Function Argument bio is NULL"); return NULL; } size = wolfSSL_BIO_get_len(bio); if (size <= 0) { WOLFSSL_MSG("wolfSSL_BIO_get_len error. Possibly no pending data."); WOLFSSL_ERROR(ASN1_R_HEADER_TOO_LONG); return NULL; } if (!(mem = (byte*)XMALLOC(size, NULL, DYNAMIC_TYPE_OPENSSL))) { WOLFSSL_MSG("malloc error"); return NULL; } if ((size = wolfSSL_BIO_read(bio, mem, size)) == 0) { WOLFSSL_MSG("wolfSSL_BIO_read error"); XFREE(mem, NULL, DYNAMIC_TYPE_OPENSSL); return NULL; } if (req) { #ifdef WOLFSSL_CERT_REQ localX509 = wolfSSL_X509_REQ_d2i(NULL, mem, size); #else WOLFSSL_MSG("CSR not compiled in"); #endif } else { localX509 = wolfSSL_X509_d2i(NULL, mem, size); } if (localX509 == NULL) { WOLFSSL_MSG("wolfSSL_X509_d2i error"); XFREE(mem, NULL, DYNAMIC_TYPE_OPENSSL); return NULL; } if (x509 != NULL) { *x509 = localX509; } XFREE(mem, NULL, DYNAMIC_TYPE_OPENSSL); return localX509; } WOLFSSL_X509* wolfSSL_d2i_X509_bio(WOLFSSL_BIO* bio, WOLFSSL_X509** x509) { return d2i_X509orX509REQ_bio(bio, x509, 0); } #ifdef WOLFSSL_CERT_REQ WOLFSSL_X509* wolfSSL_d2i_X509_REQ_bio(WOLFSSL_BIO* bio, WOLFSSL_X509** x509) { return d2i_X509orX509REQ_bio(bio, x509, 1); } #endif #endif /* !NO_BIO */ #endif /* OPENSSL_EXTRA */ #ifdef OPENSSL_EXTRA /* Use the public key to verify the signature. Note: this only verifies * the certificate signature. * returns WOLFSSL_SUCCESS on successful signature verification */ static int verifyX509orX509REQ(WOLFSSL_X509* x509, WOLFSSL_EVP_PKEY* pkey, int req) { int ret; const byte* der; int derSz = 0; int type; (void)req; if (x509 == NULL || pkey == NULL) { return WOLFSSL_FATAL_ERROR; } der = wolfSSL_X509_get_der(x509, &derSz); if (der == NULL) { WOLFSSL_MSG("Error getting WOLFSSL_X509 DER"); return WOLFSSL_FATAL_ERROR; } switch (pkey->type) { case EVP_PKEY_RSA: type = RSAk; break; case EVP_PKEY_EC: type = ECDSAk; break; case EVP_PKEY_DSA: type = DSAk; break; default: WOLFSSL_MSG("Unknown pkey key type"); return WOLFSSL_FATAL_ERROR; } #ifdef WOLFSSL_CERT_REQ if (req) ret = CheckCSRSignaturePubKey(der, derSz, x509->heap, (unsigned char*)pkey->pkey.ptr, pkey->pkey_sz, type); else #endif ret = CheckCertSignaturePubKey(der, derSz, x509->heap, (unsigned char*)pkey->pkey.ptr, pkey->pkey_sz, type); if (ret == 0) { return WOLFSSL_SUCCESS; } return WOLFSSL_FAILURE; } int wolfSSL_X509_verify(WOLFSSL_X509* x509, WOLFSSL_EVP_PKEY* pkey) { return verifyX509orX509REQ(x509, pkey, 0); } #ifdef WOLFSSL_CERT_REQ int wolfSSL_X509_REQ_verify(WOLFSSL_X509* x509, WOLFSSL_EVP_PKEY* pkey) { return verifyX509orX509REQ(x509, pkey, 1); } #endif /* WOLFSSL_CERT_REQ */ #if !defined(NO_FILESYSTEM) static void *wolfSSL_d2i_X509_fp_ex(XFILE file, void **x509, int type) { void *newx509 = NULL; byte *fileBuffer = NULL; long sz = 0; /* init variable */ if (x509) *x509 = NULL; /* argument check */ if (file == XBADFILE) { return NULL; } /* determine file size */ if (XFSEEK(file, 0, XSEEK_END) != 0) { return NULL; } sz = XFTELL(file); XREWIND(file); if (sz > MAX_WOLFSSL_FILE_SIZE || sz <= 0) { WOLFSSL_MSG("d2i_X509_fp_ex file size error"); return NULL; } fileBuffer = (byte *)XMALLOC(sz, NULL, DYNAMIC_TYPE_FILE); if (fileBuffer != NULL) { if ((long)XFREAD(fileBuffer, 1, sz, file) != sz) { WOLFSSL_MSG("File read failed"); goto err_exit; } if (type == CERT_TYPE) { newx509 = (void *)wolfSSL_X509_d2i(NULL, fileBuffer, (int)sz); } #ifdef HAVE_CRL else if (type == CRL_TYPE) { newx509 = (void *)wolfSSL_d2i_X509_CRL(NULL, fileBuffer, (int)sz); } #endif #if !defined(NO_ASN) && !defined(NO_PWDBASED) && defined(HAVE_PKCS12) else if (type == PKCS12_TYPE) { if ((newx509 = wc_PKCS12_new()) == NULL) { goto err_exit; } if (wc_d2i_PKCS12(fileBuffer, (int)sz, (WC_PKCS12*)newx509) < 0) { goto err_exit; } } #endif else { goto err_exit; } if (newx509 == NULL) { WOLFSSL_MSG("X509 failed"); goto err_exit; } } if (x509) *x509 = newx509; goto _exit; err_exit: #if !defined(NO_ASN) && !defined(NO_PWDBASED) && defined(HAVE_PKCS12) if ((newx509 != NULL) && (type == PKCS12_TYPE)) { wc_PKCS12_free((WC_PKCS12*)newx509); newx509 = NULL; } #endif _exit: if (fileBuffer != NULL) XFREE(fileBuffer, NULL, DYNAMIC_TYPE_FILE); return newx509; } WOLFSSL_X509 *wolfSSL_d2i_X509_fp(XFILE fp, WOLFSSL_X509 **x509) { WOLFSSL_ENTER("wolfSSL_d2i_X509_fp"); return (WOLFSSL_X509 *)wolfSSL_d2i_X509_fp_ex(fp, (void **)x509, CERT_TYPE); } /* load certificate or CRL file, and add it to the STORE */ /* @param ctx a pointer to X509_LOOKUP structure */ /* @param file file name to load */ /* @param type WOLFSSL_FILETYPE_PEM or WOLFSSL_FILETYPE_ASN1 */ /* @return a number of loading CRL or certificate, otherwise zero */ WOLFSSL_API int wolfSSL_X509_load_cert_crl_file(WOLFSSL_X509_LOOKUP *ctx, const char *file, int type) { WOLFSSL_X509 *x509 = NULL; int cnt = 0; WOLFSSL_ENTER("wolfSSL_X509_load_cert_crl_file"); /* stanity check */ if (ctx == NULL || file == NULL) { WOLFSSL_MSG("bad arguments"); return 0; } if (type != WOLFSSL_FILETYPE_PEM) { x509 = wolfSSL_X509_load_certificate_file(file, type); if (x509 != NULL) { if (wolfSSL_X509_STORE_add_cert(ctx->store, x509) == WOLFSSL_SUCCESS) { cnt++; } else { WOLFSSL_MSG("wolfSSL_X509_STORE_add_cert error"); } wolfSSL_X509_free(x509); x509 = NULL; } else { WOLFSSL_MSG("wolfSSL_X509_load_certificate_file error"); } } else { #if defined(OPENSSL_ALL) #if !defined(NO_BIO) STACK_OF(WOLFSSL_X509_INFO) *info; WOLFSSL_X509_INFO *info_tmp; int i; int num = 0; WOLFSSL_BIO *bio = wolfSSL_BIO_new_file(file, "rb"); if(!bio) { WOLFSSL_MSG("wolfSSL_BIO_new error"); return cnt; } info = wolfSSL_PEM_X509_INFO_read_bio(bio, NULL, NULL, NULL); wolfSSL_BIO_free(bio); if (!info) { WOLFSSL_MSG("wolfSSL_PEM_X509_INFO_read_bio error"); return cnt; } num = wolfSSL_sk_X509_INFO_num(info); for (i=0; i < num; i++) { info_tmp = wolfSSL_sk_X509_INFO_value(info, i); if (info_tmp->x509) { if(wolfSSL_X509_STORE_add_cert(ctx->store, info_tmp->x509) == WOLFSSL_SUCCESS) { cnt ++; } else { WOLFSSL_MSG("wolfSSL_X509_STORE_add_cert failed"); } } #ifdef HAVE_CRL if (info_tmp->crl) { if(wolfSSL_X509_STORE_add_crl(ctx->store, info_tmp->crl) == WOLFSSL_SUCCESS) { cnt ++; } else { WOLFSSL_MSG("wolfSSL_X509_STORE_add_crl failed"); } } #endif } wolfSSL_sk_X509_INFO_pop_free(info, wolfSSL_X509_INFO_free); #else /* Only supports one certificate or CRL in the file. */ WOLFSSL_X509_CRL* crl = NULL; XFILE fp = XFOPEN(file, "rb"); if (fp == XBADFILE) { WOLFSSL_MSG("XFOPEN error"); return cnt; } x509 = wolfSSL_PEM_read_X509(fp, NULL, NULL, NULL); if (x509 != NULL) { if (wolfSSL_X509_STORE_add_cert(ctx->store, x509) == WOLFSSL_SUCCESS) { cnt++; } else { WOLFSSL_MSG("wolfSSL_X509_STORE_add_cert failed"); } } else { XREWIND(fp); crl = wolfSSL_PEM_read_X509_CRL(fp, NULL, NULL, NULL); if (crl != NULL) { if (wolfSSL_X509_STORE_add_crl(ctx->store, crl) == WOLFSSL_SUCCESS) { cnt++; } else { WOLFSSL_MSG("wolfSSL_X509_STORE_add_crl failed"); } } else { WOLFSSL_MSG("Certificate and CRL not recognized"); return cnt; } } wolfSSL_X509_free(x509); wolfSSL_X509_CRL_free(crl); #endif #else (void)cnt; #endif /* OPENSSL_ALL && !NO_BIO */ } WOLFSSL_LEAVE("wolfSSL_X509_load_ceretificate_crl_file", cnt); return cnt; } #endif /* !NO_FILESYSTEM */ #ifdef HAVE_CRL #ifndef NO_BIO WOLFSSL_API WOLFSSL_X509_CRL *wolfSSL_d2i_X509_CRL_bio(WOLFSSL_BIO *bp, WOLFSSL_X509_CRL **x) { int derSz; byte* der = NULL; WOLFSSL_X509_CRL* crl = NULL; if (bp == NULL) return NULL; if ((derSz = wolfSSL_BIO_get_len(bp)) > 0) { der = (byte*)XMALLOC(derSz, 0, DYNAMIC_TYPE_DER); if (der != NULL) { if (wolfSSL_BIO_read(bp, der, derSz) == derSz) { crl = wolfSSL_d2i_X509_CRL(x, der, derSz); } } } if (der != NULL) { XFREE(der, 0, DYNAMIC_TYPE_DER); } return crl; } #endif #ifndef NO_FILESYSTEM WOLFSSL_X509_CRL *wolfSSL_d2i_X509_CRL_fp(XFILE fp, WOLFSSL_X509_CRL **crl) { WOLFSSL_ENTER("wolfSSL_d2i_X509_CRL_fp"); return (WOLFSSL_X509_CRL *)wolfSSL_d2i_X509_fp_ex(fp, (void **)crl, CRL_TYPE); } /* Read CRL file, and add it to store and corresponding cert manager */ /* @param ctx a pointer of X509_LOOKUP back to the X509_STORE */ /* @param file a file to read */ /* @param type WOLFSSL_FILETYPE_PEM or WOLFSSL_FILETYPE_ASN1 */ /* @return WOLFSSL_SUCCESS(1) on successful, othewise WOLFSSL_FAILURE(0)*/ WOLFSSL_API int wolfSSL_X509_load_crl_file(WOLFSSL_X509_LOOKUP *ctx, const char *file, int type) { #ifndef NO_BIO int ret = WOLFSSL_FAILURE; int count = 0; WOLFSSL_BIO *bio = NULL; WOLFSSL_X509_CRL *crl = NULL; WOLFSSL_ENTER("wolfSSL_X509_load_crl_file"); if (ctx == NULL || file == NULL) return ret; if ((bio = wolfSSL_BIO_new(wolfSSL_BIO_s_file())) == NULL) return ret; if (wolfSSL_BIO_read_filename(bio, file) <= 0) { wolfSSL_BIO_free(bio); return ret; } if (wolfSSL_BIO_read_filename(bio, file) <= 0) { wolfSSL_BIO_free(bio); return ret; } if (type == WOLFSSL_FILETYPE_PEM) { do { crl = wolfSSL_PEM_read_bio_X509_CRL(bio, NULL, NULL, NULL); if (crl == NULL) { if (count <= 0) { WOLFSSL_MSG("Load crl failed"); } break; } ret = wolfSSL_X509_STORE_add_crl(ctx->store, crl); if (ret == WOLFSSL_FAILURE) { WOLFSSL_MSG("Adding crl failed"); break; } count++; wolfSSL_X509_CRL_free(crl); crl = NULL; } while(crl == NULL); ret = count; } else if (type == WOLFSSL_FILETYPE_ASN1) { crl = wolfSSL_d2i_X509_CRL_bio(bio, NULL); if (crl == NULL) { WOLFSSL_MSG("Load crl failed"); } else { ret = wolfSSL_X509_STORE_add_crl(ctx->store, crl); if (ret == WOLFSSL_FAILURE) { WOLFSSL_MSG("Adding crl failed"); } else { ret = 1;/* handled a file */ } } } else { WOLFSSL_MSG("Invalid file type"); } wolfSSL_X509_CRL_free(crl); wolfSSL_BIO_free(bio); WOLFSSL_LEAVE("wolfSSL_X509_load_crl_file", ret); return ret; #else int ret = WOLFSSL_FAILURE; int count = 0; XFILE fp; WOLFSSL_X509_CRL *crl = NULL; WOLFSSL_ENTER("wolfSSL_X509_load_crl_file"); if (ctx == NULL || file == NULL) return ret; if ((fp = XFOPEN(file, "rb")) == XBADFILE) return ret; if (type == WOLFSSL_FILETYPE_PEM) { do { crl = wolfSSL_PEM_read_X509_CRL(fp, NULL, NULL, NULL); if (crl == NULL) { if (count <= 0) { WOLFSSL_MSG("Load crl failed"); } break; } ret = wolfSSL_X509_STORE_add_crl(ctx->store, crl); if (ret == WOLFSSL_FAILURE) { WOLFSSL_MSG("Adding crl failed"); break; } count++; wolfSSL_X509_CRL_free(crl); crl = NULL; } while(crl == NULL); ret = count; } else if (type == WOLFSSL_FILETYPE_ASN1) { crl = wolfSSL_d2i_X509_CRL_fp(fp, NULL); if (crl == NULL) { WOLFSSL_MSG("Load crl failed"); } else { ret = wolfSSL_X509_STORE_add_crl(ctx->store, crl); if (ret == WOLFSSL_FAILURE) { WOLFSSL_MSG("Adding crl failed"); } else { ret = 1;/* handled a file */ } } } else { WOLFSSL_MSG("Invalid file type"); } wolfSSL_X509_CRL_free(crl); XFCLOSE(fp); WOLFSSL_LEAVE("wolfSSL_X509_load_crl_file", ret); return ret; #endif /* !NO_BIO */ } #endif /* !NO_FILESYSTEM */ WOLFSSL_X509_CRL* wolfSSL_d2i_X509_CRL(WOLFSSL_X509_CRL** crl, const unsigned char* in, int len) { WOLFSSL_X509_CRL *newcrl = NULL; int ret = WOLFSSL_SUCCESS; WOLFSSL_ENTER("wolfSSL_d2i_X509_CRL"); if (in == NULL) { WOLFSSL_MSG("Bad argument value"); } else { newcrl =(WOLFSSL_X509_CRL*)XMALLOC(sizeof(WOLFSSL_X509_CRL), NULL, DYNAMIC_TYPE_CRL); if (newcrl == NULL){ WOLFSSL_MSG("New CRL allocation failed"); } else { ret = InitCRL(newcrl, NULL); if (ret < 0) { WOLFSSL_MSG("Init tmp CRL failed"); } else { ret = BufferLoadCRL(newcrl, in, len, WOLFSSL_FILETYPE_ASN1, NO_VERIFY); if (ret != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Buffer Load CRL failed"); } else { if (crl) { *crl = newcrl; } } } } } if((ret != WOLFSSL_SUCCESS) && (newcrl != NULL)) { wolfSSL_X509_CRL_free(newcrl); newcrl = NULL; } return newcrl; } /* Retrieve issuer X509_NAME from CRL * return X509_NAME* on success * return NULL on failure */ WOLFSSL_X509_NAME* wolfSSL_X509_CRL_get_issuer_name(WOLFSSL_X509_CRL* crl) { if (crl == NULL || crl->crlList == NULL) return NULL; return crl->crlList->issuer; } /* Retrieve version from CRL * return version on success * return 0 on failure */ int wolfSSL_X509_CRL_version(WOLFSSL_X509_CRL* crl) { if (crl == NULL || crl->crlList == NULL) return 0; return crl->crlList->version; } /* Retrieve sig OID from CRL * return OID on success * return 0 on failure */ int wolfSSL_X509_CRL_get_signature_type(WOLFSSL_X509_CRL* crl) { if (crl == NULL || crl->crlList == NULL) return 0; return crl->crlList->signatureOID; } /* Retrieve sig NID from CRL * return NID on success * return 0 on failure */ int wolfSSL_X509_CRL_get_signature_nid(const WOLFSSL_X509_CRL* crl) { if (crl == NULL || crl->crlList == NULL) return 0; return oid2nid(crl->crlList->signatureOID, oidSigType); } /* Retrieve signature from CRL * return WOLFSSL_SUCCESS on success */ int wolfSSL_X509_CRL_get_signature(WOLFSSL_X509_CRL* crl, unsigned char* buf, int* bufSz) { WOLFSSL_ENTER("wolfSSL_X509_CRL_get_signature"); if (crl == NULL || crl->crlList == NULL || bufSz == NULL) return BAD_FUNC_ARG; if (buf != NULL) XMEMCPY(buf, crl->crlList->signature, *bufSz); *bufSz = (int)crl->crlList->signatureSz; return WOLFSSL_SUCCESS; } /* Retrieve serial number from RevokedCert * return WOLFSSL_SUCCESS on success */ int wolfSSL_X509_REVOKED_get_serial_number(RevokedCert* rev, byte* in, int* inOutSz) { WOLFSSL_ENTER("wolfSSL_X509_REVOKED_get_serial_number"); if (rev == NULL || inOutSz == NULL) { return BAD_FUNC_ARG; } if (in != NULL) { if (*inOutSz < rev->serialSz) { WOLFSSL_MSG("Serial buffer too small"); return BUFFER_E; } XMEMCPY(in, rev->serialNumber, rev->serialSz); } *inOutSz = rev->serialSz; return WOLFSSL_SUCCESS; } /* print serial number out * return WOLFSSL_SUCCESS on success */ static int X509RevokedPrintSerial(WOLFSSL_BIO* bio, RevokedCert* rev, int indent) { unsigned char serial[32]; int sz = sizeof(serial); XMEMSET(serial, 0, sz); if (wolfSSL_X509_REVOKED_get_serial_number(rev, serial, &sz) == WOLFSSL_SUCCESS) { X509PrintSerial_ex(bio, serial, sz, 0, indent); } return WOLFSSL_SUCCESS; } /* print out the signature in human readable format for use with * wolfSSL_X509_CRL_print() * return WOLFSSL_SUCCESS on success */ static int X509CRLPrintSignature(WOLFSSL_BIO* bio, WOLFSSL_X509_CRL* crl, int algOnly, int indent) { int sigSz = 0; if (wolfSSL_X509_CRL_get_signature(crl, NULL, &sigSz) <= 0) { return WOLFSSL_FAILURE; } if (sigSz > 0) { unsigned char* sig; int sigNid = wolfSSL_X509_CRL_get_signature_nid(crl); sig = (unsigned char*)XMALLOC(sigSz, NULL, DYNAMIC_TYPE_TMP_BUFFER); if (sig == NULL) { return WOLFSSL_FAILURE; } if (wolfSSL_X509_CRL_get_signature(crl, sig, &sigSz) <= 0) { XFREE(sig, NULL, DYNAMIC_TYPE_TMP_BUFFER); return WOLFSSL_FAILURE; } if (X509PrintSignature_ex(bio, sig, sigSz, sigNid, algOnly, indent) != WOLFSSL_SUCCESS) { XFREE(sig, NULL, DYNAMIC_TYPE_TMP_BUFFER); return WOLFSSL_FAILURE; } if (sig != NULL) { XFREE(sig, NULL, DYNAMIC_TYPE_TMP_BUFFER); } } return WOLFSSL_SUCCESS; } /* print out the extensions in human readable format for use with * wolfSSL_X509_CRL_print() * return WOLFSSL_SUCCESS on success */ static int X509CRLPrintExtensions(WOLFSSL_BIO* bio, WOLFSSL_X509_CRL* crl, int indent) { char tmp[MAX_WIDTH]; /* buffer for XSNPRINTF */ if (XSNPRINTF(tmp, MAX_WIDTH, "%*s%s\n", indent, "", "CRL extensions:") >= MAX_WIDTH) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) { return WOLFSSL_FAILURE; } if (crl->crlList->crlNumber) { if (XSNPRINTF(tmp, MAX_WIDTH, "%*s%s\n", indent + 4, "", "X509v3 CRL Number:") >= MAX_WIDTH) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) { return WOLFSSL_FAILURE; } if (XSNPRINTF(tmp, MAX_WIDTH, "%*s%d\n", indent + 8, "", crl->crlList->crlNumber) >= MAX_WIDTH) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) { return WOLFSSL_FAILURE; } XMEMSET(tmp, 0, sizeof(tmp)); } #if !defined(NO_SKID) if (crl->crlList->extAuthKeyIdSet && crl->crlList->extAuthKeyId[0] != 0) { word32 i; char val[5]; int valSz = 5; if (XSNPRINTF(tmp, MAX_WIDTH, "%*s%s", indent + 4, "", "X509v3 Authority Key Identifier:") >= MAX_WIDTH) { return WOLFSSL_FAILURE; } XSTRNCAT(tmp, "\n", MAX_WIDTH - XSTRLEN(tmp) - 1); if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) { return WOLFSSL_FAILURE; } XMEMSET(tmp, 0, MAX_WIDTH); if (XSNPRINTF(tmp, MAX_WIDTH - 1, "%*s%s", indent + 8, "", "keyid") >= MAX_WIDTH) { return WOLFSSL_FAILURE; } for (i = 0; i < XSTRLEN((char*)crl->crlList->extAuthKeyId); i++) { /* check if buffer is almost full */ if (XSTRLEN(tmp) >= sizeof(tmp) - valSz) { if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) { return WOLFSSL_FAILURE; } tmp[0] = '\0'; } if (XSNPRINTF(val, valSz, ":%02X", crl->crlList->extAuthKeyId[i]) >= valSz) { WOLFSSL_MSG("buffer overrun"); return WOLFSSL_FAILURE; } XSTRNCAT(tmp, val, valSz); } XSTRNCAT(tmp, "\n", XSTRLEN("\n") + 1); if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) { return WOLFSSL_FAILURE; } } #endif return WOLFSSL_SUCCESS; } /* iterate through a CRL's Revoked Certs and print out in human * readable format for use with wolfSSL_X509_CRL_print() * return WOLFSSL_SUCCESS on success */ static int X509CRLPrintRevoked(WOLFSSL_BIO* bio, WOLFSSL_X509_CRL* crl, int indent) { char tmp[MAX_WIDTH]; /* buffer for XSNPRINTF */ int i; if (crl->crlList->totalCerts > 0) { RevokedCert* revoked = crl->crlList->certs; if (XSNPRINTF(tmp, MAX_WIDTH, "%*s%s\n", indent, "", "Revoked Certificates:") >= MAX_WIDTH) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) { return WOLFSSL_FAILURE; } XMEMSET(tmp, 0, MAX_WIDTH); for (i = 0; i < crl->crlList->totalCerts; i++) { if (revoked->serialSz > 0) { if (X509RevokedPrintSerial(bio, revoked, indent + 4) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } } #ifndef NO_ASN_TIME if (XSNPRINTF(tmp, MAX_WIDTH, "%*s%s", indent + 8, "", "Revocation Date: ") >= MAX_WIDTH) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) { return WOLFSSL_FAILURE; } if (revoked->revDate[0] != 0) { if (GetTimeString(revoked->revDate, ASN_UTC_TIME, tmp, MAX_WIDTH) != WOLFSSL_SUCCESS) { if (GetTimeString(revoked->revDate, ASN_GENERALIZED_TIME, tmp, MAX_WIDTH) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Error getting revocation date"); return WOLFSSL_FAILURE; } } } else { XSTRNCPY(tmp, "Not Set", MAX_WIDTH-1); } tmp[MAX_WIDTH - 1] = '\0'; /* make sure null terminated */ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, "\n", (int)XSTRLEN("\n")) <= 0) { return WOLFSSL_FAILURE; } #endif revoked = revoked->next; } } else { if (wolfSSL_BIO_write(bio, "No Revoked Certificates.\n", (int)XSTRLEN("No Revoked Certificates.\n")) <= 0) { return WOLFSSL_FAILURE; } } return WOLFSSL_SUCCESS; } #ifndef NO_ASN_TIME /* print out the last/next update times in human readable * format for use with wolfSSL_X509_CRL_print() * return WOLFSSL_SUCCESS on success */ static int X509CRLPrintDates(WOLFSSL_BIO* bio, WOLFSSL_X509_CRL* crl, int indent) { char tmp[MAX_WIDTH]; /* buffer for XSNPRINTF */ if (XSNPRINTF(tmp, MAX_WIDTH, "%*s%s", indent, "", "Last Update: ") >= MAX_WIDTH) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) { return WOLFSSL_FAILURE; } if (crl->crlList->lastDate[0] != 0) { if (GetTimeString(crl->crlList->lastDate, ASN_UTC_TIME, tmp, MAX_WIDTH) != WOLFSSL_SUCCESS) { if (GetTimeString(crl->crlList->lastDate, ASN_GENERALIZED_TIME, tmp, MAX_WIDTH) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Error getting last update date"); return WOLFSSL_FAILURE; } } } else { XSTRNCPY(tmp, "Not Set", sizeof(tmp)-1); } tmp[sizeof(tmp) - 1] = '\0'; /* make sure null terminated */ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, "\n", (int)XSTRLEN("\n")) <= 0) { return WOLFSSL_FAILURE; } if (XSNPRINTF(tmp, MAX_WIDTH, "%*s%s", indent, "", "Next Update: ") >= MAX_WIDTH) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) { return WOLFSSL_FAILURE; } if (crl->crlList->nextDate[0] != 0) { if (GetTimeString(crl->crlList->nextDate, ASN_UTC_TIME, tmp, MAX_WIDTH) != WOLFSSL_SUCCESS) { if (GetTimeString(crl->crlList->nextDate, ASN_GENERALIZED_TIME, tmp, MAX_WIDTH) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Error getting next update date"); return WOLFSSL_FAILURE; } } } else { XSTRNCPY(tmp, "Not Set", sizeof(tmp)-1); } tmp[sizeof(tmp) - 1] = '\0'; /* make sure null terminated */ if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, "\n", (int)XSTRLEN("\n")) <= 0) { return WOLFSSL_FAILURE; } return WOLFSSL_SUCCESS; } #endif #if !defined(NO_BIO) && defined(XSNPRINTF) /* Writes the human readable form of x509 to bio. * * bio WOLFSSL_BIO to write to. * crl Certificate revocation list to write. * * returns WOLFSSL_SUCCESS on success and WOLFSSL_FAILURE on failure */ int wolfSSL_X509_CRL_print(WOLFSSL_BIO* bio, WOLFSSL_X509_CRL* crl) { char issuType[] = "Issuer: "; if (bio == NULL || crl == NULL || crl->crlList == NULL) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, "Certificate Revocation List (CRL):\n", (int)XSTRLEN("Certificate Revocation List (CRL):\n")) <= 0) { return WOLFSSL_FAILURE; } /* print version */ if (X509PrintVersion(bio, wolfSSL_X509_CRL_version(crl), 8) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } /* print signature algo */ if (X509CRLPrintSignature(bio, crl, 1, 8) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } /* print issuer name */ if (X509PrintName(bio, wolfSSL_X509_CRL_get_issuer_name(crl), issuType, 8) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } #ifndef NO_ASN_TIME /* print last and next update times */ if (X509CRLPrintDates(bio, crl, 8) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } #endif /* print CRL extensions */ if (X509CRLPrintExtensions(bio, crl, 8) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } /* print CRL Revoked Certs */ if (X509CRLPrintRevoked(bio, crl, 0) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } if (X509CRLPrintSignature(bio, crl, 0, 4) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } if (wolfSSL_BIO_write(bio, "\n\0", (int)XSTRLEN("\n\0")) <= 0) { return WOLFSSL_FAILURE; } return WOLFSSL_SUCCESS; } #endif /* !NO_BIO && XSNPRINTF */ #endif /* HAVE_CRL */ #endif /* OPENSSL_EXTRA */ #if defined(HAVE_CRL) && (defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL)) void wolfSSL_X509_CRL_free(WOLFSSL_X509_CRL *crl) { WOLFSSL_ENTER("wolfSSL_X509_CRL_free"); if (crl) FreeCRL(crl, 1); } #endif /* HAVE_CRL && (OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL) */ #ifdef OPENSSL_EXTRA #ifndef NO_WOLFSSL_STUB WOLFSSL_ASN1_TIME* wolfSSL_X509_CRL_get_lastUpdate(WOLFSSL_X509_CRL* crl) { (void)crl; WOLFSSL_STUB("X509_CRL_get_lastUpdate"); return 0; } #endif #ifndef NO_WOLFSSL_STUB WOLFSSL_ASN1_TIME* wolfSSL_X509_CRL_get_nextUpdate(WOLFSSL_X509_CRL* crl) { (void)crl; WOLFSSL_STUB("X509_CRL_get_nextUpdate"); return 0; } #endif #ifndef NO_WOLFSSL_STUB int wolfSSL_X509_CRL_verify(WOLFSSL_X509_CRL* crl, WOLFSSL_EVP_PKEY* key) { (void)crl; (void)key; WOLFSSL_STUB("X509_CRL_verify"); return 0; } #endif #endif /* OPENSSL_EXTRA */ #ifdef OPENSSL_EXTRA WOLFSSL_X509_VERIFY_PARAM* wolfSSL_X509_VERIFY_PARAM_new(void) { WOLFSSL_X509_VERIFY_PARAM *param = NULL; param = (WOLFSSL_X509_VERIFY_PARAM*)XMALLOC( sizeof(WOLFSSL_X509_VERIFY_PARAM), NULL, DYNAMIC_TYPE_OPENSSL); if (param != NULL) XMEMSET(param, 0, sizeof(WOLFSSL_X509_VERIFY_PARAM )); return(param); } void wolfSSL_X509_VERIFY_PARAM_free(WOLFSSL_X509_VERIFY_PARAM *param) { if (param != NULL) XFREE(param, NULL, DYNAMIC_TYPE_OPENSSL); } /* Sets flags by OR'ing with existing value. */ int wolfSSL_X509_VERIFY_PARAM_set_flags(WOLFSSL_X509_VERIFY_PARAM *param, unsigned long flags) { int ret = WOLFSSL_FAILURE; if (param != NULL) { param->flags |= flags; ret = WOLFSSL_SUCCESS; } return ret; } int wolfSSL_X509_VERIFY_PARAM_get_flags(WOLFSSL_X509_VERIFY_PARAM *param) { int ret = 0; if (param != NULL) { ret = (int)param->flags; } return ret; } int wolfSSL_X509_VERIFY_PARAM_clear_flags(WOLFSSL_X509_VERIFY_PARAM *param, unsigned long flags) { int ret = WOLFSSL_FAILURE; if (param != NULL) { param->flags &= ~flags; ret = WOLFSSL_SUCCESS; } return ret; } /* inherits properties of param "to" to param "from" * * WOLFSSL_VPARAM_DEFAULT any values in "src" is copied * if "src" value is new for "to". * WOLFSSL_VPARAM_OVERWRITE all values of "form" are copied to "to" * WOLFSSL_VPARAM_RESET_FLAGS the flag values are copied, not Ored * WOLFSSL_VPARAM_LOCKED don't copy any values * WOLFSSL_VPARAM_ONCE the current inherit_flags is zerroed */ static int wolfSSL_X509_VERIFY_PARAM_inherit(WOLFSSL_X509_VERIFY_PARAM *to, const WOLFSSL_X509_VERIFY_PARAM *from) { int ret = WOLFSSL_FAILURE; int isOverWrite = 0; int isDefault = 0; unsigned int flags; /* sanity check */ if (!to || !from) { /* be compatible to openssl return value */ return WOLFSSL_SUCCESS; } flags = to->inherit_flags | from->inherit_flags; if (flags & WOLFSSL_VPARAM_LOCKED) { return WOLFSSL_SUCCESS; } if (flags & WOLFSSL_VPARAM_ONCE) { to->inherit_flags = 0; } isOverWrite = (flags & WOLFSSL_VPARAM_OVERWRITE); isDefault = (flags & WOLFSSL_VPARAM_DEFAULT); /* copy check_time if check time is not set */ if ((to->flags & WOLFSSL_USE_CHECK_TIME) == 0 || isOverWrite) { to->check_time = from->check_time; to->flags &= ~WOLFSSL_USE_CHECK_TIME; } /* host name */ if (isOverWrite || (from->hostName[0] != 0 && (to->hostName[0] == 0 || isDefault))) { if (!(ret = wolfSSL_X509_VERIFY_PARAM_set1_host(to, from->hostName, (int)XSTRLEN(from->hostName)))) return ret; to->hostFlags = from->hostFlags; } /* ip ascii */ if (isOverWrite || (from->ipasc[0] != 0 && (to->ipasc[0] == 0 || isDefault))) { if (!(ret = wolfSSL_X509_VERIFY_PARAM_set1_ip_asc(to, from->ipasc))) return ret; } if (flags & WOLFSSL_VPARAM_RESET_FLAGS) to->flags = 0; to->flags |= from->flags; return ret; } /****************************************************************************** * wolfSSL_X509_VERIFY_PARAM_set1_host - sets the DNS hostname to name * hostnames is cleared if name is NULL or empty. * * RETURNS: * */ int wolfSSL_X509_VERIFY_PARAM_set1_host(WOLFSSL_X509_VERIFY_PARAM* pParam, const char* name, unsigned int nameSz) { WOLFSSL_ENTER("wolfSSL_X509_VERIFY_PARAM_set1_host"); if (pParam == NULL) return WOLFSSL_FAILURE; if (name == NULL) return WOLFSSL_SUCCESS; /* If name is NULL-terminated, namelen can be set to zero. */ if (nameSz == 0) { nameSz = (unsigned int)XSTRLEN(name); } if (nameSz > 0 && name[nameSz - 1] == '\0') nameSz--; if (nameSz > WOLFSSL_HOST_NAME_MAX-1) { WOLFSSL_MSG("Truncating name"); nameSz = WOLFSSL_HOST_NAME_MAX-1; } if (nameSz > 0) { XMEMCPY(pParam->hostName, name, nameSz); XMEMSET(pParam->hostName + nameSz, 0, WOLFSSL_HOST_NAME_MAX - nameSz); } pParam->hostName[nameSz] = '\0'; return WOLFSSL_SUCCESS; } /* Set VERIFY PARAM from "from" pointer to "to" pointer */ int wolfSSL_X509_VERIFY_PARAM_set1(WOLFSSL_X509_VERIFY_PARAM *to, const WOLFSSL_X509_VERIFY_PARAM *from) { int ret = WOLFSSL_FAILURE; unsigned int _inherit_flags; if (!to) { return ret; } /* keeps the inherit flags for save */ _inherit_flags = to->inherit_flags; /* Ored DEFAULT inherit flag proerty to copy "from" contents to "to" * contents */ to->inherit_flags |= WOLFSSL_VPARAM_DEFAULT; ret = wolfSSL_X509_VERIFY_PARAM_inherit(to, from); /* restore inherit flag */ to->inherit_flags = _inherit_flags; return ret; } /* Set the host flag in the X509_VERIFY_PARAM structure */ void wolfSSL_X509_VERIFY_PARAM_set_hostflags(WOLFSSL_X509_VERIFY_PARAM* param, unsigned int flags) { if (param != NULL) { param->hostFlags = flags; } } /* Sets the expected IP address to ipasc. * * param is a pointer to the X509_VERIFY_PARAM structure * ipasc is a NULL-terminated string with N.N.N.N for IPv4 and * HH:HH ... HH:HH for IPv6. There is no validation performed on the * parameter, and it must be an exact match with the IP in the cert. * * return 1 for success and 0 for failure*/ int wolfSSL_X509_VERIFY_PARAM_set1_ip_asc(WOLFSSL_X509_VERIFY_PARAM *param, const char *ipasc) { int ret = WOLFSSL_FAILURE; if (param != NULL) { if (ipasc == NULL) { param->ipasc[0] = '\0'; } else { XSTRLCPY(param->ipasc, ipasc, WOLFSSL_MAX_IPSTR); param->ipasc[WOLFSSL_MAX_IPSTR-1] = '\0'; } ret = WOLFSSL_SUCCESS; } return ret; } /* Sets the expected IP address to ip(asc) * by re-constructing IP address in ascii * @param param is a pointer to the X509_VERIFY_PARAM structure * @param ip in binary format of ip address * @param iplen size of ip, 4 for ipv4, 16 for ipv6 * @return 1 for success and 0 for failure */ int wolfSSL_X509_VERIFY_PARAM_set1_ip(WOLFSSL_X509_VERIFY_PARAM* param, const unsigned char* ip, size_t iplen) { int ret = WOLFSSL_FAILURE; #ifndef NO_FILESYSTEM char* buf = NULL; char* p = NULL; word32 val = 0; int i; const size_t max_ipv6_len = 40; byte write_zero = 0; #endif /* sanity check */ if (param == NULL || (iplen != 0 && iplen != 4 && iplen != 16)) { WOLFSSL_MSG("bad function arg"); return ret; } #ifndef NO_FILESYSTEM if (iplen == 4) { /* ipv4 www.xxx.yyy.zzz max 15 length + Null termination */ buf = (char*)XMALLOC(16, NULL, DYNAMIC_TYPE_TMP_BUFFER); if (!buf) { WOLFSSL_MSG("failed malloc"); return ret; } XSPRINTF(buf, "%d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3]); buf[15] = '\0'; } else if (iplen == 16) { /* ipv6 normal address scheme * y1:y2:y3:y4:y5:y6:y7:y8, len(yx):4, len(y1-y8):32. len(":"):7 * Max len is 32 + 7 + 1(Termination) = 40 bytes * * ipv6 dual address * Or y1:y2:y3:y4:y:y6:x.x.x.x yx is 4, y1-y6 is 24, ":" is 6 * x.x.x.x is 15. * Max len is 24 + 6 + 15 + 1(Termination) = 46 bytes * * Expect data in ip[16] * e.g (aaaa):(bbbb):(cccc):....(hhhh) * (aaaa) = (ip[0<<8)|ip[1] * ...... * (hhhh) = (ip[14]<<8)|(ip[15]) * * e.g ::(gggg):(hhhh) * ip[0]-[11] = 0 * (gggg) = (ip[12]<<8) |(ip[13]) * (hhhh) = (ip[14]<<8) |(ip[15]) * * Because it is not able to know which ivp6 scheme uses from data to * reconstruct IP address, this function assumes * ivp6 normal address scheme, not dual adress scheme, * to re-construct IP address in ascii. */ buf = (char*)XMALLOC(max_ipv6_len, NULL, DYNAMIC_TYPE_TMP_BUFFER); if (!buf) { WOLFSSL_MSG("failed malloc"); return ret; } p = buf; for (i = 0; i < 16; i += 2) { val = (((word32)(ip[i]<<8)) | (ip[i+1])) & 0xFFFF; if (val == 0){ if (!write_zero) { *p = ':'; } p++; *p = '\0'; write_zero = 1; } else { if (i != 0) *p++ = ':'; XSPRINTF(p, "%x", val); } /* sanity check */ if (XSTRLEN(buf) > max_ipv6_len) { WOLFSSL_MSG("The target ip adress exceeds buffer length(40)"); XFREE(buf, NULL, DYNAMIC_TYPE_TMP_BUFFER); buf = NULL; break; } /* move the pointer to the last */ /* XSTRLEN includes NULL because of XSPRINTF use */ p = buf + (XSTRLEN(buf)); } /* termination */ if(i == 16 && buf) { p--; if ((*p) == ':') { /* when the last character is :, the followig segments are zero * Therefore, adding : and null termination */ p++; *p++ = ':'; *p = '\0'; } } } else { WOLFSSL_MSG("iplen is zero, do nothing"); return WOLFSSL_SUCCESS; } if (buf) { /* set address to ip asc */ ret = wolfSSL_X509_VERIFY_PARAM_set1_ip_asc(param, buf); XFREE(buf, NULL, DYNAMIC_TYPE_TMP_BUFFER); } #else (void)param; (void)ip; (void)iplen; #endif return ret; } #ifndef NO_WOLFSSL_STUB void wolfSSL_X509_OBJECT_free_contents(WOLFSSL_X509_OBJECT* obj) { (void)obj; WOLFSSL_STUB("X509_OBJECT_free_contents"); } #endif #ifndef NO_ASN_TIME int wolfSSL_X509_cmp_current_time(const WOLFSSL_ASN1_TIME* asnTime) { return wolfSSL_X509_cmp_time(asnTime, NULL); } /* return -1 if asnTime is earlier than or equal to cmpTime, and 1 otherwise * return 0 on error */ int wolfSSL_X509_cmp_time(const WOLFSSL_ASN1_TIME* asnTime, time_t* cmpTime) { int ret = WOLFSSL_FAILURE; time_t tmpTime, *pTime = &tmpTime; struct tm ts, *tmpTs, *ct; #if defined(NEED_TMP_TIME) /* for use with gmtime_r */ struct tm tmpTimeStorage; tmpTs = &tmpTimeStorage; #else tmpTs = NULL; #endif (void)tmpTs; if (asnTime == NULL) { return WOLFSSL_FAILURE; } if (cmpTime == NULL) { /* Use current time */ *pTime = wc_Time(0); } else { pTime = cmpTime; } if (wolfSSL_ASN1_TIME_to_tm((WOLFSSL_ASN1_TIME*)asnTime, &ts) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Failed to convert WOLFSSL_ASN1_TIME to struct tm."); return WOLFSSL_FAILURE; } /* Convert to time struct*/ ct = XGMTIME(pTime, tmpTs); if (ct == NULL) return GETTIME_ERROR; /* DateGreaterThan returns 1 for >; 0 for <= */ ret = DateGreaterThan(&ts, ct) ? 1 : -1; return ret; } #endif /* !NO_ASN_TIME */ #if (defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL)) && \ !defined(NO_ASN_TIME) && !defined(USER_TIME) && !defined(TIME_OVERRIDES) WOLFSSL_ASN1_TIME *wolfSSL_X509_time_adj_ex(WOLFSSL_ASN1_TIME *asnTime, int offset_day, long offset_sec, time_t *in_tm) { /* get current time if in_tm is null */ time_t t = in_tm ? *in_tm : wc_Time(0); return wolfSSL_ASN1_TIME_adj(asnTime, t, offset_day, offset_sec); } WOLFSSL_ASN1_TIME *wolfSSL_X509_time_adj(WOLFSSL_ASN1_TIME *asnTime, long offset_sec, time_t *in_tm) { return wolfSSL_X509_time_adj_ex(asnTime, 0, offset_sec, in_tm); } WOLFSSL_ASN1_TIME* wolfSSL_X509_gmtime_adj(WOLFSSL_ASN1_TIME *s, long adj) { return wolfSSL_X509_time_adj(s, adj, NULL); } #endif #ifndef NO_WOLFSSL_STUB int wolfSSL_sk_X509_REVOKED_num(WOLFSSL_X509_REVOKED* revoked) { (void)revoked; WOLFSSL_STUB("sk_X509_REVOKED_num"); return 0; } #endif #ifndef NO_WOLFSSL_STUB WOLFSSL_X509_REVOKED* wolfSSL_X509_CRL_get_REVOKED(WOLFSSL_X509_CRL* crl) { (void)crl; WOLFSSL_STUB("X509_CRL_get_REVOKED"); return 0; } #endif #ifndef NO_WOLFSSL_STUB WOLFSSL_X509_REVOKED* wolfSSL_sk_X509_REVOKED_value( WOLFSSL_X509_REVOKED* revoked, int value) { (void)revoked; (void)value; WOLFSSL_STUB("sk_X509_REVOKED_value"); return 0; } #endif #endif /* OPENSSL_EXTRA */ #if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL) WOLFSSL_ASN1_INTEGER* wolfSSL_X509_get_serialNumber(WOLFSSL_X509* x509) { WOLFSSL_ASN1_INTEGER* a; int i = 0; WOLFSSL_ENTER("wolfSSL_X509_get_serialNumber"); if (x509 == NULL) { WOLFSSL_MSG("NULL function argument"); return NULL; } if (x509->serialNumber != NULL) return x509->serialNumber; a = wolfSSL_ASN1_INTEGER_new(); if (a == NULL) return NULL; /* Make sure there is space for the data, ASN.1 type and length. */ if (x509->serialSz > (WOLFSSL_ASN1_INTEGER_MAX - 2)) { /* dynamically create data buffer, +2 for type and length */ a->data = (unsigned char*)XMALLOC(x509->serialSz + 2, NULL, DYNAMIC_TYPE_OPENSSL); if (a->data == NULL) { wolfSSL_ASN1_INTEGER_free(a); return NULL; } a->dataMax = x509->serialSz + 2; a->isDynamic = 1; } else { /* Use array instead of dynamic memory */ a->data = a->intData; a->dataMax = WOLFSSL_ASN1_INTEGER_MAX; } #if defined(WOLFSSL_QT) || defined(WOLFSSL_HAPROXY) XMEMCPY(&a->data[i], x509->serial, x509->serialSz); a->length = x509->serialSz; #else a->data[i++] = ASN_INTEGER; i += SetLength(x509->serialSz, a->data + i); XMEMCPY(&a->data[i], x509->serial, x509->serialSz); a->length = x509->serialSz + 2; #endif x509->serialNumber = a; return a; } #endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */ #ifdef OPENSSL_EXTRA #if defined(OPENSSL_ALL) || defined(WOLFSSL_APACHE_HTTPD) \ || defined(WOLFSSL_HAPROXY) || defined(WOLFSSL_WPAS) WOLFSSL_X509_ALGOR* wolfSSL_X509_ALGOR_new(void) { WOLFSSL_X509_ALGOR* ret; ret = (WOLFSSL_X509_ALGOR*)XMALLOC(sizeof(WOLFSSL_X509_ALGOR), NULL, DYNAMIC_TYPE_OPENSSL); if (ret) { XMEMSET(ret, 0, sizeof(WOLFSSL_X509_ALGOR)); } return ret; } void wolfSSL_X509_ALGOR_free(WOLFSSL_X509_ALGOR *alg) { if (alg) { wolfSSL_ASN1_OBJECT_free(alg->algorithm); wolfSSL_ASN1_TYPE_free(alg->parameter); XFREE(alg, NULL, DYNAMIC_TYPE_OPENSSL); } } /* Returns X509_ALGOR struct with signature algorithm */ const WOLFSSL_X509_ALGOR* wolfSSL_X509_get0_tbs_sigalg(const WOLFSSL_X509 *x509) { WOLFSSL_ENTER("X509_get0_tbs_sigalg"); if (x509 == NULL) { WOLFSSL_MSG("x509 struct NULL error"); return NULL; } return &x509->algor; } /* Sets paobj pointer to X509_ALGOR signature algorithm */ void wolfSSL_X509_ALGOR_get0(const WOLFSSL_ASN1_OBJECT **paobj, int *pptype, const void **ppval, const WOLFSSL_X509_ALGOR *algor) { WOLFSSL_ENTER("X509_ALGOR_get0"); if (!algor) { WOLFSSL_MSG("algor object is NULL"); return; } if (paobj) *paobj = algor->algorithm; if (ppval && algor->parameter) *ppval = algor->parameter->value.ptr; if (pptype) { if (algor->parameter) { *pptype = algor->parameter->type; } else { /* Default to V_ASN1_OBJECT */ *pptype = V_ASN1_OBJECT; } } } /** * Populate algor members. * * @param algor The object to be set * @param aobj The value to be set in algor->algorithm * @param ptype The type of algor->parameter * @param pval The value of algor->parameter * @return WOLFSSL_SUCCESS on success * WOLFSSL_FAILURE on missing parameters or bad malloc */ int wolfSSL_X509_ALGOR_set0(WOLFSSL_X509_ALGOR *algor, WOLFSSL_ASN1_OBJECT *aobj, int ptype, void *pval) { if (!algor) { return WOLFSSL_FAILURE; } if (aobj) { algor->algorithm = aobj; } if (!algor->parameter) { algor->parameter = wolfSSL_ASN1_TYPE_new(); if (!algor->parameter) { return WOLFSSL_FAILURE; } } wolfSSL_ASN1_TYPE_set(algor->parameter, ptype, pval); return WOLFSSL_SUCCESS; } /** * Allocate a new WOLFSSL_X509_PUBKEY object. * * @return New zero'ed WOLFSSL_X509_PUBKEY object */ WOLFSSL_X509_PUBKEY *wolfSSL_X509_PUBKEY_new(void) { WOLFSSL_X509_PUBKEY *ret; ret = (WOLFSSL_X509_PUBKEY*)XMALLOC(sizeof(WOLFSSL_X509_PUBKEY), NULL, DYNAMIC_TYPE_OPENSSL); if (!ret) { return NULL; } XMEMSET(ret, 0, sizeof(WOLFSSL_X509_PUBKEY)); ret->algor = wolfSSL_X509_ALGOR_new(); if (!ret->algor) { wolfSSL_X509_PUBKEY_free(ret); return NULL; } return ret; } /** * Free WOLFSSL_X509_PUBKEY and all its members. * * @param at Object to free */ void wolfSSL_X509_PUBKEY_free(WOLFSSL_X509_PUBKEY *x) { if (x) { if (x->algor) { wolfSSL_X509_ALGOR_free(x->algor); } if (x->pkey) { wolfSSL_EVP_PKEY_free(x->pkey); } XFREE(x, NULL, DYNAMIC_TYPE_OPENSSL); } } /* Returns X509_PUBKEY structure containing X509_ALGOR and EVP_PKEY */ WOLFSSL_X509_PUBKEY* wolfSSL_X509_get_X509_PUBKEY(const WOLFSSL_X509* x509) { WOLFSSL_ENTER("X509_get_X509_PUBKEY"); if (x509 == NULL) { WOLFSSL_MSG("x509 struct NULL error"); return NULL; } return (WOLFSSL_X509_PUBKEY*)&x509->key; } /* Sets ppkalg pointer to X509_PUBKEY algorithm. Returns WOLFSSL_SUCCESS on success or WOLFSSL_FAILURE on error. */ int wolfSSL_X509_PUBKEY_get0_param(WOLFSSL_ASN1_OBJECT **ppkalg, const unsigned char **pk, int *ppklen, WOLFSSL_X509_ALGOR **pa, WOLFSSL_X509_PUBKEY *pub) { WOLFSSL_ENTER("X509_PUBKEY_get0_param"); if (!pub || !pub->pubKeyOID) { WOLFSSL_MSG("X509_PUBKEY struct not populated"); return WOLFSSL_FAILURE; } if (!pub->algor) { if (!(pub->algor = wolfSSL_X509_ALGOR_new())) { return WOLFSSL_FAILURE; } pub->algor->algorithm = wolfSSL_OBJ_nid2obj(pub->pubKeyOID); if (pub->algor->algorithm == NULL) { WOLFSSL_MSG("Failed to create object from NID"); return WOLFSSL_FAILURE; } } if (pa) *pa = pub->algor; if (ppkalg) *ppkalg = pub->algor->algorithm; if (pk) *pk = (unsigned char*)pub->pkey->pkey.ptr; if (ppklen) *ppklen = pub->pkey->pkey_sz; return WOLFSSL_SUCCESS; } /* Returns a pointer to the pkey when passed a key */ WOLFSSL_EVP_PKEY* wolfSSL_X509_PUBKEY_get(WOLFSSL_X509_PUBKEY* key) { WOLFSSL_ENTER("wolfSSL_X509_PUBKEY_get"); if (key == NULL || key->pkey == NULL) { WOLFSSL_LEAVE("wolfSSL_X509_PUBKEY_get", BAD_FUNC_ARG); return NULL; } if (wolfSSL_EVP_PKEY_up_ref(key->pkey) != WOLFSSL_SUCCESS) { WOLFSSL_LEAVE("wolfSSL_X509_PUBKEY_get", BAD_MUTEX_E); return NULL; } WOLFSSL_LEAVE("wolfSSL_X509_PUBKEY_get", WOLFSSL_SUCCESS); return key->pkey; } int wolfSSL_X509_PUBKEY_set(WOLFSSL_X509_PUBKEY **x, WOLFSSL_EVP_PKEY *key) { WOLFSSL_X509_PUBKEY *pk = NULL; int ptype; void *pval; #ifndef NO_DSA WOLFSSL_ASN1_STRING *str; #endif #ifdef HAVE_ECC int nid; const WOLFSSL_EC_GROUP *group; #endif WOLFSSL_ENTER("wolfSSL_X509_PUBKEY_set"); if (!x || !key) { return WOLFSSL_FAILURE; } if (!(pk = wolfSSL_X509_PUBKEY_new())) { return WOLFSSL_FAILURE; } switch (key->type) { #ifndef NO_RSA case EVP_PKEY_RSA: pval = NULL; ptype = V_ASN1_NULL; pk->pubKeyOID = RSAk; break; #endif #ifndef NO_DSA case EVP_PKEY_DSA: if (!key->dsa->p || !key->dsa->q || !key->dsa->g) goto error; str = wolfSSL_ASN1_STRING_new(); if (str == NULL) goto error; str->length = wolfSSL_i2d_DSAparams(key->dsa, (unsigned char **)&str->data); if (str->length <= 0) goto error; str->isDynamic = 1; pval = str; ptype = V_ASN1_SEQUENCE; pk->pubKeyOID = DSAk; break; #endif #ifdef HAVE_ECC case EVP_PKEY_EC: group = wolfSSL_EC_KEY_get0_group(key->ecc); if (!group) goto error; nid = wolfSSL_EC_GROUP_get_curve_name(group); if (nid == WOLFSSL_FAILURE) { /* TODO: Add support for no nid case */ WOLFSSL_MSG("nid not found"); goto error; } pval = wolfSSL_OBJ_nid2obj(nid); if (!pval) goto error; ptype = V_ASN1_OBJECT; pk->pubKeyOID = ECDSAk; break; #endif default: WOLFSSL_MSG("Unknown key type"); goto error; } if (!wolfSSL_X509_ALGOR_set0(pk->algor, wolfSSL_OBJ_nid2obj(key->type), ptype, pval)) { WOLFSSL_MSG("Failed to create algorithm object"); if (ptype == V_ASN1_OBJECT) ASN1_OBJECT_free((WOLFSSL_ASN1_OBJECT *)pval); else ASN1_STRING_free((WOLFSSL_ASN1_STRING *)pval); goto error; } if (!wolfSSL_EVP_PKEY_up_ref(key)) { WOLFSSL_MSG("Failed to up key reference"); goto error; } pk->pkey = key; wolfSSL_X509_PUBKEY_free(*x); *x = pk; return WOLFSSL_SUCCESS; error: if (pk) { wolfSSL_X509_PUBKEY_free(pk); } return WOLFSSL_FAILURE; } #endif /* OPENSSL_ALL || WOLFSSL_APACHE_HTTPD || WOLFSSL_HAPROXY || WOLFSSL_WPAS */ #endif /* OPENSSL_EXTRA */ #if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL) WOLFSSL_BASIC_CONSTRAINTS* wolfSSL_BASIC_CONSTRAINTS_new(void) { WOLFSSL_BASIC_CONSTRAINTS* bc; bc = (WOLFSSL_BASIC_CONSTRAINTS*) XMALLOC(sizeof(WOLFSSL_BASIC_CONSTRAINTS), NULL, DYNAMIC_TYPE_X509_EXT); if (bc == NULL) { WOLFSSL_MSG("Failed to malloc basic constraints"); return NULL; } XMEMSET(bc, 0, sizeof(WOLFSSL_BASIC_CONSTRAINTS)); return bc; } /* frees the wolfSSL_BASIC_CONSTRAINTS object */ void wolfSSL_BASIC_CONSTRAINTS_free(WOLFSSL_BASIC_CONSTRAINTS *bc) { WOLFSSL_ENTER("wolfSSL_BASIC_CONSTRAINTS_free"); if (bc == NULL) { WOLFSSL_MSG("Argument is NULL"); return; } if (bc->pathlen) { wolfSSL_ASN1_INTEGER_free(bc->pathlen); } XFREE(bc, NULL, DYNAMIC_TYPE_OPENSSL); } WOLFSSL_AUTHORITY_KEYID* wolfSSL_AUTHORITY_KEYID_new(void) { WOLFSSL_AUTHORITY_KEYID* akey = (WOLFSSL_AUTHORITY_KEYID*)XMALLOC( sizeof(WOLFSSL_AUTHORITY_KEYID), NULL, DYNAMIC_TYPE_OPENSSL); if (!akey) { WOLFSSL_MSG("Issue creating WOLFSSL_AUTHORITY_KEYID struct"); return NULL; } XMEMSET(akey, 0, sizeof(WOLFSSL_AUTHORITY_KEYID)); return akey; } /* frees the wolfSSL_AUTHORITY_KEYID object */ void wolfSSL_AUTHORITY_KEYID_free(WOLFSSL_AUTHORITY_KEYID *id) { WOLFSSL_ENTER("wolfSSL_AUTHORITY_KEYID_free"); if(id == NULL) { WOLFSSL_MSG("Argument is NULL"); return; } if (id->keyid) { wolfSSL_ASN1_STRING_free(id->keyid); } if (id->issuer) { wolfSSL_ASN1_OBJECT_free(id->issuer); } if (id->serial) { wolfSSL_ASN1_INTEGER_free(id->serial); } XFREE(id, NULL, DYNAMIC_TYPE_OPENSSL); } #endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */ #ifdef KEEP_PEER_CERT char* wolfSSL_X509_get_subjectCN(WOLFSSL_X509* x509) { if (x509 == NULL) return NULL; return x509->subjectCN; } #endif /* KEEP_PEER_CERT */ #if defined(OPENSSL_EXTRA_X509_SMALL) || defined(OPENSSL_EXTRA) /* increments ref count of WOLFSSL_X509. Return 1 on success, 0 on error */ int wolfSSL_X509_up_ref(WOLFSSL_X509* x509) { if (x509) { #ifndef SINGLE_THREADED if (wc_LockMutex(&x509->refMutex) != 0) { WOLFSSL_MSG("Failed to lock x509 mutex"); return WOLFSSL_FAILURE; } #endif x509->refCount++; #ifndef SINGLE_THREADED wc_UnLockMutex(&x509->refMutex); #endif return WOLFSSL_SUCCESS; } return WOLFSSL_FAILURE; } #endif /* OPENSSL_EXTRA_X509_SMALL || OPENSSL_EXTRA */ #if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL) WOLF_STACK_OF(WOLFSSL_X509)* wolfSSL_X509_chain_up_ref( WOLF_STACK_OF(WOLFSSL_X509)* chain) { /* wolfSSL_sk_dup takes care of doing a deep copy */ return wolfSSL_sk_dup(chain); } #endif #if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL) void wolfSSL_X509_NAME_free(WOLFSSL_X509_NAME *name) { WOLFSSL_ENTER("wolfSSL_X509_NAME_free"); FreeX509Name(name); XFREE(name, NULL, DYNAMIC_TYPE_X509); } /* Malloc's a new WOLFSSL_X509_NAME structure * * returns NULL on failure, otherwise returns a new structure. */ WOLFSSL_X509_NAME* wolfSSL_X509_NAME_new(void) { WOLFSSL_X509_NAME* name; WOLFSSL_ENTER("wolfSSL_X509_NAME_new"); name = (WOLFSSL_X509_NAME*)XMALLOC(sizeof(WOLFSSL_X509_NAME), NULL, DYNAMIC_TYPE_X509); if (name != NULL) { InitX509Name(name, 1, NULL); } return name; } /* Creates a duplicate of a WOLFSSL_X509_NAME structure. Returns a new WOLFSSL_X509_NAME structure or NULL on failure */ WOLFSSL_X509_NAME* wolfSSL_X509_NAME_dup(WOLFSSL_X509_NAME *name) { WOLFSSL_X509_NAME* copy = NULL; WOLFSSL_ENTER("wolfSSL_X509_NAME_dup"); if (name == NULL) { WOLFSSL_MSG("NULL parameter"); return NULL; } if (!(copy = wolfSSL_X509_NAME_new())) { return NULL; } /* copy contents */ InitX509Name(copy, 1, name->heap); if (wolfSSL_X509_NAME_copy(name, copy) != WOLFSSL_SUCCESS) { wolfSSL_X509_NAME_free(copy); return NULL; } return copy; } #ifdef WOLFSSL_CERT_GEN #if defined(WOLFSSL_CERT_REQ) || defined(WOLFSSL_CERT_EXT) || defined(OPENSSL_EXTRA) /* Helper function to copy cert name from a WOLFSSL_X509_NAME structure to * a Cert structure. * * returns length of DER on success and a negative error value on failure */ static int CopyX509NameToCert(WOLFSSL_X509_NAME* n, byte* out) { unsigned char* der = NULL; int length = BAD_FUNC_ARG, ret; word32 idx = 0; ret = wolfSSL_i2d_X509_NAME(n, &der); if (ret > (int)sizeof(CertName) || ret < 0) { WOLFSSL_MSG("Name conversion error"); ret = MEMORY_E; } if (ret > 0) { /* strip off sequence, this gets added on certificate creation */ ret = GetSequence(der, &idx, &length, ret); } if (ret > 0) { XMEMCPY(out, der + idx, length); } if (der != NULL) XFREE(der, NULL, DYNAMIC_TYPE_OPENSSL); return length; } #endif #ifdef WOLFSSL_CERT_REQ static int ReqCertFromX509(Cert* cert, WOLFSSL_X509* req) { int ret; if (wc_InitCert(cert) != 0) return WOLFSSL_FAILURE; ret = CopyX509NameToCert(&req->subject, cert->sbjRaw); if (ret < 0) { WOLFSSL_MSG("REQ subject conversion error"); ret = MEMORY_E; } else { ret = WOLFSSL_SUCCESS; } if (ret == WOLFSSL_SUCCESS) { #if defined(OPENSSL_ALL) int idx; #endif cert->version = req->version; cert->isCA = req->isCa; cert->basicConstSet = req->basicConstSet; #ifdef WOLFSSL_CERT_EXT if (req->subjKeyIdSz != 0) { XMEMCPY(cert->skid, req->subjKeyId, req->subjKeyIdSz); cert->skidSz = req->subjKeyIdSz; } if (req->keyUsageSet) cert->keyUsage = req->keyUsage; /* Extended Key Usage not supported. */ #endif XMEMCPY(cert->challengePw, req->challengePw, CTC_NAME_SIZE); cert->challengePwPrintableString = req->challengePw[0] != 0; #if defined(OPENSSL_ALL) idx = wolfSSL_X509_REQ_get_attr_by_NID(req, NID_pkcs9_unstructuredName, -1); if (idx != WOLFSSL_FATAL_ERROR) { WOLFSSL_X509_ATTRIBUTE *attr; attr = wolfSSL_X509_REQ_get_attr(req, idx); if (attr != NULL) { const unsigned char *attrData; int attrDataSz; attrData = wolfSSL_ASN1_STRING_get0_data( attr->value->value.asn1_string); attrDataSz = wolfSSL_ASN1_STRING_length( attr->value->value.asn1_string); /* +1 to make sure is terminated string */ if (attrDataSz + 1 > CTC_NAME_SIZE) { WOLFSSL_MSG("attribute size was too large to copy"); ret = REQ_ATTRIBUTE_E; } else { XMEMCPY(cert->unstructuredName, attrData, attrDataSz); cert->unstructuredName[attrDataSz] = '\0'; } } } #endif /* OPENSSL_ALL */ #ifdef WOLFSSL_ALT_NAMES cert->altNamesSz = FlattenAltNames(cert->altNames, sizeof(cert->altNames), req->altNames); #endif /* WOLFSSL_ALT_NAMES */ } return ret; } #endif /* WOLFSSL_CERT_REQ */ /* converts WOLFSSL_AN1_TIME to Cert form, returns positive size on * success */ static int CertDateFromX509(byte* out, int outSz, WOLFSSL_ASN1_TIME* t) { int sz, i; if (t->length + 1 >= outSz) { return BUFFER_E; } out[0] = (byte) t->type; sz = SetLength(t->length, out + 1) + 1; /* gen tag */ for (i = 0; i < t->length; i++) { out[sz + i] = t->data[i]; } return t->length + sz; } /* convert a WOLFSSL_X509 to a Cert structure for writing out */ static int CertFromX509(Cert* cert, WOLFSSL_X509* x509) { int ret; #ifdef WOLFSSL_CERT_EXT int i; #endif WOLFSSL_ENTER("wolfSSL_X509_to_Cert()"); if (x509 == NULL || cert == NULL) { return BAD_FUNC_ARG; } wc_InitCert(cert); cert->version = (int)wolfSSL_X509_get_version(x509); if (x509->notBefore.length > 0) { cert->beforeDateSz = CertDateFromX509(cert->beforeDate, CTC_DATE_SIZE, &x509->notBefore); if (cert->beforeDateSz <= 0){ WOLFSSL_MSG("Error converting WOLFSSL_X509 not before date"); return WOLFSSL_FAILURE; } } else { cert->beforeDateSz = 0; } if (x509->notAfter.length > 0) { cert->afterDateSz = CertDateFromX509(cert->afterDate, CTC_DATE_SIZE, &x509->notAfter); if (cert->afterDateSz <= 0){ WOLFSSL_MSG("Error converting WOLFSSL_X509 not after date"); return WOLFSSL_FAILURE; } } else { cert->afterDateSz = 0; } #ifdef WOLFSSL_ALT_NAMES cert->altNamesSz = FlattenAltNames(cert->altNames, sizeof(cert->altNames), x509->altNames); #endif /* WOLFSSL_ALT_NAMES */ cert->sigType = wolfSSL_X509_get_signature_type(x509); cert->keyType = x509->pubKeyOID; cert->isCA = wolfSSL_X509_get_isCA(x509); cert->basicConstSet = x509->basicConstSet; #ifdef WOLFSSL_CERT_EXT if (x509->subjKeyIdSz <= CTC_MAX_SKID_SIZE) { if (x509->subjKeyId) { XMEMCPY(cert->skid, x509->subjKeyId, x509->subjKeyIdSz); } cert->skidSz = (int)x509->subjKeyIdSz; } else { WOLFSSL_MSG("Subject Key ID too large"); WOLFSSL_ERROR_VERBOSE(BUFFER_E); return WOLFSSL_FAILURE; } if (x509->authKeyIdSz < sizeof(cert->akid)) { #ifdef WOLFSSL_AKID_NAME cert->rawAkid = 0; if (x509->authKeyIdSrc) { XMEMCPY(cert->akid, x509->authKeyIdSrc, x509->authKeyIdSrcSz); cert->akidSz = (int)x509->authKeyIdSrcSz; cert->rawAkid = 1; } else #endif if (x509->authKeyId) { XMEMCPY(cert->akid, x509->authKeyId, x509->authKeyIdSz); cert->akidSz = (int)x509->authKeyIdSz; } } else { WOLFSSL_MSG("Auth Key ID too large"); WOLFSSL_ERROR_VERBOSE(BUFFER_E); return WOLFSSL_FAILURE; } for (i = 0; i < x509->certPoliciesNb; i++) { /* copy the smaller of MAX macros, by default they are currently equal*/ if ((int)CTC_MAX_CERTPOL_SZ <= (int)MAX_CERTPOL_SZ) { XMEMCPY(cert->certPolicies[i], x509->certPolicies[i], CTC_MAX_CERTPOL_SZ); } else { XMEMCPY(cert->certPolicies[i], x509->certPolicies[i], MAX_CERTPOL_SZ); } } cert->certPoliciesNb = (word16)x509->certPoliciesNb; cert->keyUsage = x509->keyUsage; cert->extKeyUsage = x509->extKeyUsage; cert->nsCertType = x509->nsCertType; if (x509->rawCRLInfo != NULL) { if (x509->rawCRLInfoSz > CTC_MAX_CRLINFO_SZ) { WOLFSSL_MSG("CRL Info too large"); WOLFSSL_ERROR_VERBOSE(BUFFER_E); return WOLFSSL_FAILURE; } XMEMCPY(cert->crlInfo, x509->rawCRLInfo, x509->rawCRLInfoSz); cert->crlInfoSz = x509->rawCRLInfoSz; } #endif /* WOLFSSL_CERT_EXT */ #ifdef WOLFSSL_CERT_REQ /* copy over challenge password for REQ certs */ XMEMCPY(cert->challengePw, x509->challengePw, CTC_NAME_SIZE); #endif /* Only makes sense to do this for OPENSSL_EXTRA because without * this define the function will error out below */ #ifdef OPENSSL_EXTRA if (x509->serialSz == 0 && x509->serialNumber != NULL && /* Check if the buffer contains more than just the * ASN tag and length */ x509->serialNumber->length > 2) { if (wolfSSL_X509_set_serialNumber(x509, x509->serialNumber) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Failed to set serial number"); return WOLFSSL_FAILURE; } } #endif /* set serial number */ if (x509->serialSz > 0) { #if defined(OPENSSL_EXTRA) byte serial[EXTERNAL_SERIAL_SIZE]; int serialSz = EXTERNAL_SERIAL_SIZE; ret = wolfSSL_X509_get_serial_number(x509, serial, &serialSz); if (ret != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Serial size error"); return WOLFSSL_FAILURE; } if (serialSz > EXTERNAL_SERIAL_SIZE || serialSz > CTC_SERIAL_SIZE) { WOLFSSL_MSG("Serial size too large error"); WOLFSSL_ERROR_VERBOSE(BUFFER_E); return WOLFSSL_FAILURE; } XMEMCPY(cert->serial, serial, serialSz); cert->serialSz = serialSz; #else WOLFSSL_MSG("Getting X509 serial number not supported"); return WOLFSSL_FAILURE; #endif } /* copy over Name structures */ if (x509->issuerSet) cert->selfSigned = 0; #if defined(WOLFSSL_CERT_EXT) || defined(OPENSSL_EXTRA) ret = CopyX509NameToCert(&x509->subject, cert->sbjRaw); if (ret < 0) { WOLFSSL_MSG("Subject conversion error"); return MEMORY_E; } if (cert->selfSigned) { XMEMCPY(cert->issRaw, cert->sbjRaw, sizeof(CertName)); } else { ret = CopyX509NameToCert(&x509->issuer, cert->issRaw); if (ret < 0) { WOLFSSL_MSG("Issuer conversion error"); return MEMORY_E; } } #endif cert->heap = x509->heap; (void)ret; return WOLFSSL_SUCCESS; } /* returns the sig type to use on success i.e CTC_SHAwRSA and WOLFSSL_FALURE * on fail case */ static int wolfSSL_sigTypeFromPKEY(WOLFSSL_EVP_MD* md, WOLFSSL_EVP_PKEY* pkey) { #if !defined(NO_PWDBASED) && defined(OPENSSL_EXTRA) int hashType; int sigType = WOLFSSL_FAILURE; /* Convert key type and hash algorithm to a signature algorithm */ if (wolfSSL_EVP_get_hashinfo(md, &hashType, NULL) == WOLFSSL_FAILURE) { return WOLFSSL_FAILURE; } if (pkey->type == EVP_PKEY_RSA) { switch (hashType) { case WC_HASH_TYPE_SHA: sigType = CTC_SHAwRSA; break; case WC_HASH_TYPE_SHA224: sigType = CTC_SHA224wRSA; break; case WC_HASH_TYPE_SHA256: sigType = CTC_SHA256wRSA; break; case WC_HASH_TYPE_SHA384: sigType = CTC_SHA384wRSA; break; case WC_HASH_TYPE_SHA512: sigType = CTC_SHA512wRSA; break; #ifdef WOLFSSL_SHA3 case WC_HASH_TYPE_SHA3_224: sigType = CTC_SHA3_224wRSA; break; case WC_HASH_TYPE_SHA3_256: sigType = CTC_SHA3_256wRSA; break; case WC_HASH_TYPE_SHA3_384: sigType = CTC_SHA3_384wRSA; break; case WC_HASH_TYPE_SHA3_512: sigType = CTC_SHA3_512wRSA; break; #endif default: return WOLFSSL_FAILURE; } } else if (pkey->type == EVP_PKEY_EC) { switch (hashType) { case WC_HASH_TYPE_SHA: sigType = CTC_SHAwECDSA; break; case WC_HASH_TYPE_SHA224: sigType = CTC_SHA224wECDSA; break; case WC_HASH_TYPE_SHA256: sigType = CTC_SHA256wECDSA; break; case WC_HASH_TYPE_SHA384: sigType = CTC_SHA384wECDSA; break; case WC_HASH_TYPE_SHA512: sigType = CTC_SHA512wECDSA; break; #ifdef WOLFSSL_SHA3 case WC_HASH_TYPE_SHA3_224: sigType = CTC_SHA3_224wECDSA; break; case WC_HASH_TYPE_SHA3_256: sigType = CTC_SHA3_256wECDSA; break; case WC_HASH_TYPE_SHA3_384: sigType = CTC_SHA3_384wECDSA; break; case WC_HASH_TYPE_SHA3_512: sigType = CTC_SHA3_512wECDSA; break; #endif default: return WOLFSSL_FAILURE; } } else return WOLFSSL_FAILURE; return sigType; #else (void)md; (void)pkey; WOLFSSL_MSG("Cannot get hashinfo when NO_PWDBASED is defined"); return WOLFSSL_FAILURE; #endif /* !NO_PWDBASED && OPENSSL_EXTRA */ } /* generates DER buffer from WOLFSSL_X509 * If req == 1 then creates a request DER buffer * * updates derSz with certificate body size on success * return WOLFSSL_SUCCESS on success */ static int wolfssl_x509_make_der(WOLFSSL_X509* x509, int req, unsigned char* der, int* derSz, int includeSig) { int ret = WOLFSSL_FAILURE; int totalLen; Cert* cert = NULL; void* key = NULL; int type = -1; #ifndef NO_RSA RsaKey* rsa = NULL; #endif #ifdef HAVE_ECC ecc_key* ecc = NULL; #endif #ifndef NO_DSA DsaKey* dsa = NULL; #endif WC_RNG rng; word32 idx = 0; if (x509 == NULL || der == NULL || derSz == NULL) return BAD_FUNC_ARG; #ifndef WOLFSSL_CERT_REQ if (req) { WOLFSSL_MSG("WOLFSSL_CERT_REQ needed for certificate request"); return WOLFSSL_FAILURE; } #endif /* allocate Cert struct on heap since it is large */ cert = (Cert*)XMALLOC(sizeof(Cert), NULL, DYNAMIC_TYPE_CERT); if (cert == NULL) { WOLFSSL_MSG("Failed to allocate memory for Cert struct"); return WOLFSSL_FAILURE; } XMEMSET(cert, 0, sizeof(Cert)); #ifdef WOLFSSL_CERT_REQ if (req) { if (ReqCertFromX509(cert, x509) != WOLFSSL_SUCCESS) { XFREE(cert, NULL, DYNAMIC_TYPE_CERT); return WOLFSSL_FAILURE; } } else #endif { /* Create a Cert that has the certificate fields. */ if (CertFromX509(cert, x509) != WOLFSSL_SUCCESS) { XFREE(cert, NULL, DYNAMIC_TYPE_CERT); return WOLFSSL_FAILURE; } } /* Create a public key object from requests public key. */ #ifndef NO_RSA if (x509->pubKeyOID == RSAk) { rsa = (RsaKey*)XMALLOC(sizeof(RsaKey), NULL, DYNAMIC_TYPE_RSA); if (rsa == NULL) { WOLFSSL_MSG("Failed to allocate memory for RsaKey"); XFREE(cert, NULL, DYNAMIC_TYPE_CERT); return WOLFSSL_FAILURE; } type = RSA_TYPE; ret = wc_InitRsaKey(rsa, x509->heap); if (ret != 0) { XFREE(rsa, NULL, DYNAMIC_TYPE_RSA); XFREE(cert, NULL, DYNAMIC_TYPE_CERT); return ret; } ret = wc_RsaPublicKeyDecode(x509->pubKey.buffer, &idx, rsa, x509->pubKey.length); if (ret != 0) { WOLFSSL_ERROR_VERBOSE(ret); wc_FreeRsaKey(rsa); XFREE(rsa, NULL, DYNAMIC_TYPE_RSA); XFREE(cert, NULL, DYNAMIC_TYPE_CERT); return ret; } key = (void*)rsa; } #endif #ifdef HAVE_ECC if (x509->pubKeyOID == ECDSAk) { ecc = (ecc_key*)XMALLOC(sizeof(ecc_key), NULL, DYNAMIC_TYPE_ECC); if (ecc == NULL) { WOLFSSL_MSG("Failed to allocate memory for ecc_key"); XFREE(cert, NULL, DYNAMIC_TYPE_CERT); return WOLFSSL_FAILURE; } type = ECC_TYPE; ret = wc_ecc_init(ecc); if (ret != 0) { XFREE(ecc, NULL, DYNAMIC_TYPE_ECC); XFREE(cert, NULL, DYNAMIC_TYPE_CERT); return ret; } ret = wc_EccPublicKeyDecode(x509->pubKey.buffer, &idx, ecc, x509->pubKey.length); if (ret != 0) { WOLFSSL_ERROR_VERBOSE(ret); wc_ecc_free(ecc); XFREE(ecc, NULL, DYNAMIC_TYPE_ECC); XFREE(cert, NULL, DYNAMIC_TYPE_CERT); return ret; } key = (void*)ecc; } #endif #ifndef NO_DSA if (x509->pubKeyOID == DSAk) { dsa = (DsaKey*)XMALLOC(sizeof(DsaKey), NULL, DYNAMIC_TYPE_DSA); if (dsa == NULL) { WOLFSSL_MSG("Failed to allocate memory for DsaKey"); XFREE(cert, NULL, DYNAMIC_TYPE_CERT); return WOLFSSL_FAILURE; } type = DSA_TYPE; ret = wc_InitDsaKey(dsa); if (ret != 0) { XFREE(dsa, NULL, DYNAMIC_TYPE_DSA); XFREE(cert, NULL, DYNAMIC_TYPE_CERT); return ret; } ret = wc_DsaPublicKeyDecode(x509->pubKey.buffer, &idx, dsa, x509->pubKey.length); if (ret != 0) { WOLFSSL_ERROR_VERBOSE(ret); wc_FreeDsaKey(dsa); XFREE(dsa, NULL, DYNAMIC_TYPE_DSA); XFREE(cert, NULL, DYNAMIC_TYPE_CERT); return ret; } key = (void*)dsa; } #endif if (key == NULL) { WOLFSSL_MSG("No public key found for certificate"); XFREE(cert, NULL, DYNAMIC_TYPE_CERT); return WOLFSSL_FAILURE; } /* Make the body of the certificate request. */ #ifdef WOLFSSL_CERT_REQ if (req) { ret = wc_MakeCertReq_ex(cert, der, *derSz, type, key); } else #endif { ret = wc_InitRng(&rng); if (ret != 0) { XFREE(cert, NULL, DYNAMIC_TYPE_CERT); return WOLFSSL_FAILURE; } ret = wc_MakeCert_ex(cert, der, *derSz, type, key, &rng); wc_FreeRng(&rng); } if (ret <= 0) { WOLFSSL_ERROR_VERBOSE(ret); ret = WOLFSSL_FAILURE; goto cleanup; } if ((x509->serialSz == 0) && (cert->serialSz <= EXTERNAL_SERIAL_SIZE) && (cert->serialSz > 0)) { #if defined(OPENSSL_EXTRA) WOLFSSL_ASN1_INTEGER *i = wolfSSL_ASN1_INTEGER_new(); if (i == NULL) { WOLFSSL_MSG("wolfSSL_ASN1_INTEGER_new error"); ret = WOLFSSL_FAILURE; goto cleanup; } else { i->length = cert->serialSz + 2; i->data[0] = ASN_INTEGER; i->data[1] = (unsigned char)cert->serialSz; XMEMCPY(i->data + 2, cert->serial, cert->serialSz); if (wolfSSL_X509_set_serialNumber(x509, i) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Issue setting generated serial number"); wolfSSL_ASN1_INTEGER_free(i); ret = WOLFSSL_FAILURE; goto cleanup; } wolfSSL_ASN1_INTEGER_free(i); } #else WOLFSSL_MSG("ASN1_INTEGER API not in build"); ret = WOLFSSL_FAILURE; goto cleanup; #endif /* OPENSSL_EXTRA */ } if (includeSig) { if (!x509->sig.buffer) { WOLFSSL_MSG("No signature buffer"); ret = WOLFSSL_FAILURE; goto cleanup; } totalLen = AddSignature(NULL, ret, NULL, x509->sig.length, x509->sigOID); if (totalLen > *derSz) { WOLFSSL_MSG("Output der buffer too short"); ret = WOLFSSL_FAILURE; goto cleanup; } ret = AddSignature(der, ret, x509->sig.buffer, x509->sig.length, x509->sigOID); } *derSz = ret; ret = WOLFSSL_SUCCESS; cleanup: /* Dispose of the public key object. */ #ifndef NO_RSA if (x509->pubKeyOID == RSAk) { wc_FreeRsaKey(rsa); XFREE(rsa, NULL, DYNAMIC_TYPE_RSA); } #endif #ifdef HAVE_ECC if (x509->pubKeyOID == ECDSAk) { wc_ecc_free(ecc); XFREE(ecc, NULL, DYNAMIC_TYPE_ECC); } #endif #ifndef NO_DSA if (x509->pubKeyOID == DSAk) { wc_FreeDsaKey(dsa); XFREE(dsa, NULL, DYNAMIC_TYPE_DSA); } #endif XFREE(cert, NULL, DYNAMIC_TYPE_CERT); return ret; } /* signs a der buffer for the WOLFSSL_X509 structure using the PKEY and MD * hash passed in * * WARNING: this free's and replaces the existing DER buffer in the * WOLFSSL_X509 with the newly signed buffer. * returns size of signed buffer on success and negative values on fail */ static int wolfSSL_X509_resign_cert(WOLFSSL_X509* x509, int req, unsigned char* der, int derSz, int certBodySz, WOLFSSL_EVP_MD* md, WOLFSSL_EVP_PKEY* pkey) { int ret; void* key = NULL; int type = -1; int sigType; WC_RNG rng; (void)req; WOLFSSL_ENTER("wolfSSL_X509_resign_cert"); sigType = wolfSSL_sigTypeFromPKEY(md, pkey); if (sigType == WOLFSSL_FAILURE) { WOLFSSL_MSG("Error getting signature type from pkey"); return WOLFSSL_FATAL_ERROR; } /* Get the private key object and type from pkey. */ #ifndef NO_RSA if (pkey->type == EVP_PKEY_RSA) { type = RSA_TYPE; key = pkey->rsa->internal; } #endif #ifdef HAVE_ECC if (pkey->type == EVP_PKEY_EC) { type = ECC_TYPE; key = pkey->ecc->internal; } #endif /* Sign the certificate (request) body. */ ret = wc_InitRng(&rng); if (ret != 0) return ret; ret = wc_SignCert_ex(certBodySz, sigType, der, derSz, type, key, &rng); wc_FreeRng(&rng); if (ret < 0) { WOLFSSL_LEAVE("wolfSSL_X509_resign_cert", ret); return ret; } derSz = ret; /* Extract signature from buffer */ { word32 idx = 0; int len = 0; /* Read top level sequence */ if (GetSequence(der, &idx, &len, derSz) < 0) { WOLFSSL_MSG("GetSequence error"); return WOLFSSL_FATAL_ERROR; } /* Move idx to signature */ idx += certBodySz; /* Read signature algo sequence */ if (GetSequence(der, &idx, &len, derSz) < 0) { WOLFSSL_MSG("GetSequence error"); return WOLFSSL_FATAL_ERROR; } idx += len; /* Read signature bit string */ if (CheckBitString(der, &idx, &len, derSz, 0, NULL) != 0) { WOLFSSL_MSG("CheckBitString error"); return WOLFSSL_FATAL_ERROR; } /* Sanity check */ if (idx + len != (word32)derSz) { WOLFSSL_MSG("unexpected asn1 structure"); return WOLFSSL_FATAL_ERROR; } x509->sig.length = 0; if (x509->sig.buffer) XFREE(x509->sig.buffer, x509->heap, DYNAMIC_TYPE_SIGNATURE); x509->sig.buffer = (byte*)XMALLOC(len, x509->heap, DYNAMIC_TYPE_SIGNATURE); if (!x509->sig.buffer) { WOLFSSL_MSG("malloc error"); return WOLFSSL_FATAL_ERROR; } XMEMCPY(x509->sig.buffer, der + idx, len); x509->sig.length = len; } /* Put in the new certificate encoding into the x509 object. */ FreeDer(&x509->derCert); type = CERT_TYPE; #ifdef WOLFSSL_CERT_REQ if (req) { type = CERTREQ_TYPE; } #endif if (AllocDer(&x509->derCert, derSz, type, NULL) != 0) return WOLFSSL_FATAL_ERROR; XMEMCPY(x509->derCert->buffer, der, derSz); x509->derCert->length = derSz; return ret; } #ifndef WC_MAX_X509_GEN /* able to override max size until dynamic buffer created */ #define WC_MAX_X509_GEN 4096 #endif /* returns the size of signature on success */ int wolfSSL_X509_sign(WOLFSSL_X509* x509, WOLFSSL_EVP_PKEY* pkey, const WOLFSSL_EVP_MD* md) { int ret; /* @TODO dynamic set based on expected cert size */ byte *der = (byte *)XMALLOC(WC_MAX_X509_GEN, NULL, DYNAMIC_TYPE_TMP_BUFFER); int derSz = WC_MAX_X509_GEN; WOLFSSL_ENTER("wolfSSL_X509_sign"); if (x509 == NULL || pkey == NULL || md == NULL) { ret = WOLFSSL_FAILURE; goto out; } x509->sigOID = wolfSSL_sigTypeFromPKEY((WOLFSSL_EVP_MD*)md, pkey); if ((ret = wolfssl_x509_make_der(x509, 0, der, &derSz, 0)) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Unable to make DER for X509"); WOLFSSL_LEAVE("wolfSSL_X509_sign", ret); (void)ret; ret = WOLFSSL_FAILURE; goto out; } ret = wolfSSL_X509_resign_cert(x509, 0, der, WC_MAX_X509_GEN, derSz, (WOLFSSL_EVP_MD*)md, pkey); if (ret <= 0) { WOLFSSL_LEAVE("wolfSSL_X509_sign", ret); ret = WOLFSSL_FAILURE; goto out; } out: if (der) XFREE(der, NULL, DYNAMIC_TYPE_TMP_BUFFER); return ret; } #if defined(OPENSSL_EXTRA) int wolfSSL_X509_sign_ctx(WOLFSSL_X509 *x509, WOLFSSL_EVP_MD_CTX *ctx) { WOLFSSL_ENTER("wolfSSL_X509_sign_ctx"); if (!x509 || !ctx || !ctx->pctx || !ctx->pctx->pkey) { WOLFSSL_MSG("Bad parameter"); return WOLFSSL_FAILURE; } return wolfSSL_X509_sign(x509, ctx->pctx->pkey, wolfSSL_EVP_MD_CTX_md(ctx)); } #endif /* OPENSSL_EXTRA */ #endif /* WOLFSSL_CERT_GEN */ #if defined(OPENSSL_ALL) || defined(OPENSSL_EXTRA) || \ defined(OPENSSL_EXTRA_X509_SMALL) || defined(WOLFSSL_WPAS_SMALL) /* Converts from NID_* value to wolfSSL value if needed. * * @param [in] nid Numeric Id of a domain name component. * @return Domain name tag values - wolfSSL internal values. * @return -1 when nid isn't known. */ static int ConvertNIDToWolfSSL(int nid) { switch (nid) { case NID_commonName : return ASN_COMMON_NAME; #ifdef WOLFSSL_CERT_NAME_ALL case NID_name : return ASN_NAME; case NID_givenName: return ASN_GIVEN_NAME; case NID_dnQualifier : return ASN_DNQUALIFIER; case NID_initials: return ASN_INITIALS; #endif /* WOLFSSL_CERT_NAME_ALL */ case NID_surname : return ASN_SUR_NAME; case NID_countryName: return ASN_COUNTRY_NAME; case NID_localityName: return ASN_LOCALITY_NAME; case NID_stateOrProvinceName: return ASN_STATE_NAME; case NID_streetAddress: return ASN_STREET_ADDR; case NID_organizationName: return ASN_ORG_NAME; case NID_organizationalUnitName: return ASN_ORGUNIT_NAME; case NID_emailAddress: return ASN_EMAIL_NAME; case NID_serialNumber: return ASN_SERIAL_NUMBER; case NID_userId: return ASN_USER_ID; case NID_businessCategory: return ASN_BUS_CAT; case NID_domainComponent: return ASN_DOMAIN_COMPONENT; case NID_postalCode: return ASN_POSTAL_CODE; default: WOLFSSL_MSG("Attribute NID not found"); return -1; } } #endif /* OPENSSL_ALL || OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL || WOLFSSL_WPAS_SMALL*/ #if defined(OPENSSL_ALL) || defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL) /* This is to convert the x509 name structure into canonical DER format */ /* , which has the following rules: */ /* convert to UTF8 */ /* convert to lower case */ /* multi-spaces collapsed */ /* leading SEQUENCE header is skipped */ /* @param name a pointer to X509_NAME that is to be converted */ /* @param out a pointer to converted data */ /* @return a number of converted bytes, otherwise <=0 error code */ int wolfSSL_i2d_X509_NAME_canon(WOLFSSL_X509_NAME* name, unsigned char** out) { int totalBytes = 0, i, idx; byte *output, *local = NULL; #ifdef WOLFSSL_SMALL_STACK EncodedName* names = NULL; #else EncodedName names[MAX_NAME_ENTRIES]; #endif if (name == NULL) return BAD_FUNC_ARG; #ifdef WOLFSSL_SMALL_STACK names = (EncodedName*)XMALLOC(sizeof(EncodedName) * MAX_NAME_ENTRIES, NULL, DYNAMIC_TYPE_TMP_BUFFER); if (names == NULL) return MEMORY_E; #endif XMEMSET(names, 0, sizeof(EncodedName) * MAX_NAME_ENTRIES); for (i = 0; i < MAX_NAME_ENTRIES; i++) { WOLFSSL_X509_NAME_ENTRY* entry; int ret; entry = wolfSSL_X509_NAME_get_entry(name, i); if (entry != NULL && entry->set >= 1) { const char* nameStr; WOLFSSL_ASN1_STRING* data; WOLFSSL_ASN1_STRING* cano_data; cano_data = wolfSSL_ASN1_STRING_new(); if (cano_data == NULL) { #ifdef WOLFSSL_SMALL_STACK XFREE(names, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif return MEMORY_E; } data = wolfSSL_X509_NAME_ENTRY_get_data(entry); if (data == NULL) { #ifdef WOLFSSL_SMALL_STACK XFREE(names, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif wolfSSL_ASN1_STRING_free(cano_data); WOLFSSL_MSG("Error getting entry data"); return WOLFSSL_FATAL_ERROR; } if (wolfSSL_ASN1_STRING_canon(cano_data, data) != WOLFSSL_SUCCESS) { return WOLFSSL_FAILURE; } nameStr = (const char*)wolfSSL_ASN1_STRING_data(cano_data); ret = wc_EncodeNameCanonical(&names[i], nameStr, CTC_UTF8, (byte)ConvertNIDToWolfSSL(entry->nid)); if (ret < 0) { #ifdef WOLFSSL_SMALL_STACK XFREE(names, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif wolfSSL_ASN1_STRING_free(cano_data); WOLFSSL_MSG("EncodeName failed"); return WOLFSSL_FATAL_ERROR; } totalBytes += ret; wolfSSL_OPENSSL_free(cano_data->data); wolfSSL_ASN1_STRING_free(cano_data); } } if (out == NULL) { /* If out is NULL, caller just wants length. */ #ifdef WOLFSSL_SMALL_STACK XFREE(names, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif return totalBytes; } /* skip header */ /* check if using buffer passed in */ if (*out == NULL) { *out = local = (unsigned char*)XMALLOC(totalBytes, NULL, DYNAMIC_TYPE_OPENSSL); if (*out == NULL) { return MEMORY_E; } } output = *out; idx = 0; for (i = 0; i < MAX_NAME_ENTRIES; i++) { if (names[i].used) { XMEMCPY(output + idx, names[i].encoded, names[i].totalLen); idx += names[i].totalLen; } } #ifdef WOLFSSL_SMALL_STACK XFREE(names, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif /* used existing buffer passed in, so increment pointer */ if (local == NULL) { *out += totalBytes; } return totalBytes; } #endif /* OPENSSL_ALL || OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL */ #ifdef WOLFSSL_CERT_GEN /* Guarded by either * A) WOLFSSL_WPAS_SMALL is on or * B) (OPENSSL_EXTRA or OPENSSL_EXTRA_X509_SMALL) + WOLFSSL_CERT_GEN + * (WOLFSSL_CERT_REQ or WOLFSSL_CERT_EXT or OPENSSL_EXTRA) has been * defined */ #if defined(WOLFSSL_WPAS_SMALL) || \ (defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)) && \ defined(WOLFSSL_CERT_GEN) && \ (defined(WOLFSSL_CERT_REQ) || defined(WOLFSSL_CERT_EXT) || \ defined(OPENSSL_EXTRA)) /* Converts the x509 name structure into DER format. * * out pointer to either a pre setup buffer or a pointer to null for * creating a dynamic buffer. In the case that a pre-existing buffer is * used out will be incremented the size of the DER buffer on success. If * out is NULL, the function returns the necessary output buffer length. * * returns the size of the buffer on success, or negative value with failure */ int wolfSSL_i2d_X509_NAME(WOLFSSL_X509_NAME* name, unsigned char** out) { int totalBytes = 0, i, idx; byte temp[MAX_SEQ_SZ]; byte *output, *local = NULL; #ifdef WOLFSSL_SMALL_STACK EncodedName* names = NULL; #else EncodedName names[MAX_NAME_ENTRIES]; #endif if (name == NULL) return BAD_FUNC_ARG; #ifdef WOLFSSL_SMALL_STACK names = (EncodedName*)XMALLOC(sizeof(EncodedName) * MAX_NAME_ENTRIES, NULL, DYNAMIC_TYPE_TMP_BUFFER); if (names == NULL) return MEMORY_E; #endif XMEMSET(names, 0, sizeof(EncodedName) * MAX_NAME_ENTRIES); for (i = 0; i < MAX_NAME_ENTRIES; i++) { WOLFSSL_X509_NAME_ENTRY* entry; int ret; entry = wolfSSL_X509_NAME_get_entry(name, i); if (entry != NULL && entry->set >= 1) { const char* nameStr; int type; WOLFSSL_ASN1_STRING* data; data = wolfSSL_X509_NAME_ENTRY_get_data(entry); if (data == NULL) { #ifdef WOLFSSL_SMALL_STACK XFREE(names, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif WOLFSSL_MSG("Error getting entry data"); return WOLFSSL_FATAL_ERROR; } nameStr = (const char*)wolfSSL_ASN1_STRING_data(data); type = wolfSSL_ASN1_STRING_type(data); switch (type) { case MBSTRING_UTF8: type = CTC_UTF8; break; case V_ASN1_PRINTABLESTRING: type = CTC_PRINTABLE; break; default: WOLFSSL_MSG("Unknown encoding type conversion UTF8 by default"); type = CTC_UTF8; } ret = wc_EncodeName(&names[i], nameStr, (char)type, (byte)ConvertNIDToWolfSSL(entry->nid)); if (ret < 0) { #ifdef WOLFSSL_SMALL_STACK XFREE(names, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif WOLFSSL_MSG("EncodeName failed"); return WOLFSSL_FATAL_ERROR; } totalBytes += ret; } } /* header */ idx = SetSequence(totalBytes, temp); if (totalBytes + idx > ASN_NAME_MAX) { #ifdef WOLFSSL_SMALL_STACK XFREE(names, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif WOLFSSL_MSG("Total Bytes is greater than ASN_NAME_MAX"); return BUFFER_E; } if (out == NULL) { /* If out is NULL, caller just wants length. */ totalBytes += idx; #ifdef WOLFSSL_SMALL_STACK XFREE(names, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif return totalBytes; } /* check if using buffer passed in */ if (*out == NULL) { *out = local = (unsigned char*)XMALLOC(totalBytes + idx, name->heap, DYNAMIC_TYPE_OPENSSL); if (*out == NULL) { return MEMORY_E; } } output = *out; idx = SetSequence(totalBytes, output); totalBytes += idx; for (i = 0; i < MAX_NAME_ENTRIES; i++) { if (names[i].used) { XMEMCPY(output + idx, names[i].encoded, names[i].totalLen); idx += names[i].totalLen; } } #ifdef WOLFSSL_SMALL_STACK XFREE(names, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif /* used existing buffer passed in, so increment pointer */ if (local == NULL) { *out += totalBytes; } return totalBytes; } #endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */ #endif /* WOLFSSL_CERT_GEN */ #if defined(OPENSSL_EXTRA) || defined(OPENSSL_ALL) || \ defined (WOLFSSL_WPAS_SMALL) WOLFSSL_X509_NAME *wolfSSL_d2i_X509_NAME(WOLFSSL_X509_NAME **name, unsigned char **in, long length) { WOLFSSL_X509_NAME* tmp = NULL; #ifdef WOLFSSL_SMALL_STACK DecodedCert* cert = NULL; #else DecodedCert cert[1]; #endif WOLFSSL_ENTER("wolfSSL_d2i_X509_NAME"); if (!in || !*in || length <= 0) { WOLFSSL_MSG("Bad argument"); return NULL; } #ifdef WOLFSSL_SMALL_STACK cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert), NULL, DYNAMIC_TYPE_DCERT); if (cert == NULL) { return NULL; } #endif /* Set the X509_NAME buffer as the input data for cert. * in is NOT a full certificate. Just the name. */ InitDecodedCert(cert, *in, (word32)length, NULL); /* Parse the X509 subject name */ if (GetName(cert, SUBJECT, (int)length) != 0) { WOLFSSL_MSG("WOLFSSL_X509_NAME parse error"); goto cleanup; } if (!(tmp = wolfSSL_X509_NAME_new())) { WOLFSSL_MSG("wolfSSL_X509_NAME_new error"); goto cleanup; } if (wolfSSL_X509_NAME_copy((WOLFSSL_X509_NAME*)cert->subjectName, tmp) != WOLFSSL_SUCCESS) { wolfSSL_X509_NAME_free(tmp); tmp = NULL; goto cleanup; } if (name) *name = tmp; cleanup: FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif return tmp; } #endif /* OPENSSL_EXTRA || OPENSSL_ALL || WOLFSSL_WPAS_SMALL */ #if defined(OPENSSL_EXTRA) || defined(OPENSSL_ALL) /* Compares the two X509 names. If the size of x is larger then y then a * positive value is returned if x is smaller a negative value is returned. * In the case that the sizes are equal a the value of strcmp between the * two names is returned. * * x First name for comparison * y Second name to compare with x */ int wolfSSL_X509_NAME_cmp(const WOLFSSL_X509_NAME* x, const WOLFSSL_X509_NAME* y) { const char* _x; const char* _y; WOLFSSL_ENTER("wolfSSL_X509_NAME_cmp"); if (x == NULL || y == NULL) { WOLFSSL_MSG("Bad argument passed in"); return -2; } if (x == y) { return 0; /* match */ } if (x->sz != y->sz) { return x->sz - y->sz; } /* * If the name member is not set or is immediately null terminated then * compare the staticName member */ _x = (x->name && *x->name) ? x->name : x->staticName; _y = (y->name && *y->name) ? y->name : y->staticName; return XSTRNCMP(_x, _y, x->sz); /* y sz is the same */ } #ifndef NO_BIO static WOLFSSL_X509 *loadX509orX509REQFromPemBio(WOLFSSL_BIO *bp, WOLFSSL_X509 **x, wc_pem_password_cb *cb, void *u, int type) { WOLFSSL_X509* x509 = NULL; #if defined(WOLFSSL_PEM_TO_DER) || defined(WOLFSSL_DER_TO_PEM) unsigned char* pem = NULL; int pemSz; long i = 0, l, footerSz; const char* footer = NULL; WOLFSSL_ENTER("loadX509orX509REQFromPemBio"); if (bp == NULL || (type != CERT_TYPE && type != CERTREQ_TYPE)) { WOLFSSL_LEAVE("wolfSSL_PEM_read_bio_X509", BAD_FUNC_ARG); return NULL; } if ((l = wolfSSL_BIO_get_len(bp)) <= 0) { /* No certificate in buffer */ WOLFSSL_ERROR(ASN_NO_PEM_HEADER); return NULL; } pemSz = (int)l; pem = (unsigned char*)XMALLOC(pemSz, 0, DYNAMIC_TYPE_PEM); if (pem == NULL) return NULL; XMEMSET(pem, 0, pemSz); i = 0; if (wc_PemGetHeaderFooter(type, NULL, &footer) != 0) { XFREE(pem, 0, DYNAMIC_TYPE_PEM); return NULL; } footerSz = (long)XSTRLEN(footer); /* TODO: Inefficient * reading in one byte at a time until see the footer */ while ((l = wolfSSL_BIO_read(bp, (char *)&pem[i], 1)) == 1) { i++; if (i > footerSz && XMEMCMP((char *)&pem[i-footerSz], footer, footerSz) == 0) { if (wolfSSL_BIO_read(bp, (char *)&pem[i], 1) == 1) { /* attempt to read newline following footer */ i++; if (pem[i-1] == '\r') { /* found \r , Windows line ending is \r\n so try to read one * more byte for \n, ignoring return value */ (void)wolfSSL_BIO_read(bp, (char *)&pem[i++], 1); } } break; } } if (l == 0) WOLFSSL_ERROR(ASN_NO_PEM_HEADER); if (i > pemSz) { WOLFSSL_MSG("Error parsing PEM"); } else { pemSz = (int)i; #ifdef WOLFSSL_CERT_REQ if (type == CERTREQ_TYPE) x509 = wolfSSL_X509_REQ_load_certificate_buffer(pem, pemSz, WOLFSSL_FILETYPE_PEM); else #endif x509 = wolfSSL_X509_load_certificate_buffer(pem, pemSz, WOLFSSL_FILETYPE_PEM); } if (x != NULL) { *x = x509; } XFREE(pem, NULL, DYNAMIC_TYPE_PEM); #endif /* WOLFSSL_PEM_TO_DER || WOLFSSL_DER_TO_PEM */ (void)bp; (void)x; (void)cb; (void)u; return x509; } WOLFSSL_X509 *wolfSSL_PEM_read_bio_X509(WOLFSSL_BIO *bp, WOLFSSL_X509 **x, wc_pem_password_cb *cb, void *u) { return loadX509orX509REQFromPemBio(bp, x, cb, u, CERT_TYPE); } #ifdef WOLFSSL_CERT_REQ WOLFSSL_X509 *wolfSSL_PEM_read_bio_X509_REQ(WOLFSSL_BIO *bp, WOLFSSL_X509 **x, wc_pem_password_cb *cb, void *u) { return loadX509orX509REQFromPemBio(bp, x, cb, u, CERTREQ_TYPE); } #ifndef NO_FILESYSTEM WOLFSSL_X509* wolfSSL_PEM_read_X509_REQ(XFILE fp, WOLFSSL_X509** x, wc_pem_password_cb* cb, void* u) { int err = 0; WOLFSSL_X509* ret = NULL; WOLFSSL_BIO* bio = NULL; WOLFSSL_ENTER("wolfSSL_PEM_read_X509_REQ"); if (fp == XBADFILE) { WOLFSSL_MSG("Invalid file."); err = 1; } if (err == 0) { bio = wolfSSL_BIO_new(wolfSSL_BIO_s_file()); if (bio == NULL) { WOLFSSL_MSG("Failed to create new BIO with input file."); err = 1; } } if (err == 0 && wolfSSL_BIO_set_fp(bio, fp, BIO_CLOSE) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Failed to set BIO file pointer."); err = 1; } if (err == 0) { ret = wolfSSL_PEM_read_bio_X509_REQ(bio, x, cb, u); } if (bio != NULL) { wolfSSL_BIO_free(bio); } return ret; } #endif /* !NO_FILESYSTEM */ #endif /* WOLFSSL_CERT_REQ */ WOLFSSL_X509_CRL *wolfSSL_PEM_read_bio_X509_CRL(WOLFSSL_BIO *bp, WOLFSSL_X509_CRL **x, wc_pem_password_cb *cb, void *u) { #if defined(WOLFSSL_PEM_TO_DER) && defined(HAVE_CRL) unsigned char* pem = NULL; int pemSz; int derSz; DerBuffer* der = NULL; WOLFSSL_X509_CRL* crl = NULL; if ((pemSz = wolfSSL_BIO_get_len(bp)) <= 0) { goto err; } pem = (unsigned char*)XMALLOC(pemSz, 0, DYNAMIC_TYPE_PEM); if (pem == NULL) { goto err; } if (wolfSSL_BIO_read(bp, pem, pemSz) != pemSz) { goto err; } if((PemToDer(pem, pemSz, CRL_TYPE, &der, NULL, NULL, NULL)) < 0) { goto err; } derSz = der->length; if((crl = wolfSSL_d2i_X509_CRL(x, der->buffer, derSz)) == NULL) { goto err; } err: if(pem != NULL) { XFREE(pem, 0, DYNAMIC_TYPE_PEM); } if(der != NULL) { FreeDer(&der); } (void)cb; (void)u; return crl; #else (void)bp; (void)x; (void)cb; (void)u; return NULL; #endif } #endif /* !NO_BIO */ #if !defined(NO_FILESYSTEM) static void* wolfSSL_PEM_read_X509_ex(XFILE fp, void **x, wc_pem_password_cb *cb, void *u, int type) { unsigned char* pem = NULL; int pemSz; long i = 0, l; void *newx509; int derSz; DerBuffer* der = NULL; WOLFSSL_ENTER("wolfSSL_PEM_read_X509"); if (fp == XBADFILE) { WOLFSSL_LEAVE("wolfSSL_PEM_read_X509", BAD_FUNC_ARG); return NULL; } /* Read cert from file */ i = XFTELL(fp); if (i < 0) { WOLFSSL_LEAVE("wolfSSL_PEM_read_X509", BAD_FUNC_ARG); return NULL; } if (XFSEEK(fp, 0, XSEEK_END) != 0) return NULL; l = XFTELL(fp); if (l < 0) return NULL; if (XFSEEK(fp, i, SEEK_SET) != 0) return NULL; pemSz = (int)(l - i); /* check calculated length */ if (pemSz > MAX_WOLFSSL_FILE_SIZE || pemSz < 0) { WOLFSSL_MSG("PEM_read_X509_ex file size error"); return NULL; } /* allocate pem buffer */ pem = (unsigned char*)XMALLOC(pemSz, NULL, DYNAMIC_TYPE_PEM); if (pem == NULL) return NULL; if ((int)XFREAD((char *)pem, 1, pemSz, fp) != pemSz) goto err_exit; switch (type) { case CERT_TYPE: newx509 = (void *)wolfSSL_X509_load_certificate_buffer(pem, pemSz, WOLFSSL_FILETYPE_PEM); break; #ifdef HAVE_CRL case CRL_TYPE: if ((PemToDer(pem, pemSz, CRL_TYPE, &der, NULL, NULL, NULL)) < 0) goto err_exit; derSz = der->length; newx509 = (void*)wolfSSL_d2i_X509_CRL((WOLFSSL_X509_CRL **)x, (const unsigned char *)der->buffer, derSz); if (newx509 == NULL) goto err_exit; FreeDer(&der); break; #endif default: goto err_exit; } if (x != NULL) { *x = newx509; } XFREE(pem, NULL, DYNAMIC_TYPE_PEM); return newx509; err_exit: if (pem != NULL) XFREE(pem, NULL, DYNAMIC_TYPE_PEM); if (der != NULL) FreeDer(&der); /* unused */ (void)cb; (void)u; (void)derSz; return NULL; } WOLFSSL_API WOLFSSL_X509* wolfSSL_PEM_read_X509(XFILE fp, WOLFSSL_X509 **x, wc_pem_password_cb *cb, void *u) { return (WOLFSSL_X509* )wolfSSL_PEM_read_X509_ex(fp, (void **)x, cb, u, CERT_TYPE); } #if defined(HAVE_CRL) WOLFSSL_API WOLFSSL_X509_CRL* wolfSSL_PEM_read_X509_CRL(XFILE fp, WOLFSSL_X509_CRL **crl, wc_pem_password_cb *cb, void *u) { return (WOLFSSL_X509_CRL* )wolfSSL_PEM_read_X509_ex(fp, (void **)crl, cb, u, CRL_TYPE); } #endif #ifdef WOLFSSL_CERT_GEN #ifndef NO_BIO int wolfSSL_PEM_write_X509(XFILE fp, WOLFSSL_X509* x) { int ret; WOLFSSL_BIO* bio; if (x == NULL) return 0; bio = wolfSSL_BIO_new(wolfSSL_BIO_s_file()); if (bio == NULL) return 0; if (wolfSSL_BIO_set_fp(bio, fp, BIO_NOCLOSE) != WOLFSSL_SUCCESS) { wolfSSL_BIO_free(bio); bio = NULL; } ret = wolfSSL_PEM_write_bio_X509(bio, x); if (bio != NULL) wolfSSL_BIO_free(bio); return ret; } #endif /* !NO_BIO */ #endif /* WOLFSSL_CERT_GEN */ #endif /* !NO_FILESYSTEM */ #endif /* OPENSSL_EXTRA || OPENSSL_ALL */ #ifdef OPENSSL_ALL #ifndef NO_BIO /* create and return a new WOLFSSL_X509_PKEY structure or NULL on failure */ static WOLFSSL_X509_PKEY* wolfSSL_X509_PKEY_new(void* heap) { WOLFSSL_X509_PKEY* ret; ret = (WOLFSSL_X509_PKEY*)XMALLOC(sizeof(WOLFSSL_X509_PKEY), heap, DYNAMIC_TYPE_KEY); if (ret != NULL) { XMEMSET(ret, 0, sizeof(WOLFSSL_X509_PKEY)); ret->heap = heap; } return ret; } #endif /* !NO_BIO */ /* free up all memory used by "xPkey" passed in */ static void wolfSSL_X509_PKEY_free(WOLFSSL_X509_PKEY* xPkey) { if (xPkey != NULL) { wolfSSL_EVP_PKEY_free(xPkey->dec_pkey); XFREE(xPkey, xPkey->heap, DYNAMIC_TYPE_KEY); } } #ifndef NO_BIO #define PEM_COMPARE_HEADER(start, end, header) \ ((end) - (start) == XSTR_SIZEOF(header) && XMEMCMP(start, header, \ XSTR_SIZEOF(header)) == 0) /** * This read one structure from bio and returns the read structure * in the appropriate output parameter (x509, crl, x_pkey). The * output parameters must be set to NULL. * @param bio Input for reading structures * @param cb Password callback * @param x509 Output * @param crl Output * @param x_pkey Output * @return WOLFSSL_SUCCESS on success and WOLFSSL_FAILURE otherwise */ static int wolfSSL_PEM_X509_X509_CRL_X509_PKEY_read_bio( WOLFSSL_BIO* bio, wc_pem_password_cb* cb, WOLFSSL_X509** x509, WOLFSSL_X509_CRL** crl, WOLFSSL_X509_PKEY** x_pkey) { #if defined(WOLFSSL_PEM_TO_DER) || defined(WOLFSSL_DER_TO_PEM) char* pem = NULL; long i = pem_struct_min_sz, l; const char* header = NULL; const char* headerEnd = NULL; const char* footer = NULL; const char* footerEnd = NULL; #ifdef HAVE_CRL DerBuffer* der = NULL; #endif WOLFSSL_BIO* pemBio = NULL; if (!bio || !x509 || *x509 || !crl || *crl || !x_pkey || *x_pkey) { WOLFSSL_MSG("Bad input parameter or output parameters " "not set to a NULL value."); return WOLFSSL_FAILURE; } if ((l = wolfSSL_BIO_get_len(bio)) <= 0) { /* No certificate in buffer */ WOLFSSL_ERROR(ASN_NO_PEM_HEADER); return WOLFSSL_FAILURE; } pem = (char*)XMALLOC(l, 0, DYNAMIC_TYPE_PEM); if (pem == NULL) return WOLFSSL_FAILURE; if (wolfSSL_BIO_read(bio, &pem[0], pem_struct_min_sz) != pem_struct_min_sz) { WOLFSSL_ERROR(ASN_NO_PEM_HEADER); goto err; } /* Read the header and footer */ while (i < l && wolfSSL_BIO_read(bio, &pem[i], 1) == 1) { i++; if (!header) { header = XSTRNSTR(pem, "-----BEGIN ", (unsigned int)i); } else if (!headerEnd) { headerEnd = XSTRNSTR(header + XSTR_SIZEOF("-----BEGIN "), "-----", (unsigned int) (i - (header + XSTR_SIZEOF("-----BEGIN ") - pem))); if (headerEnd) { headerEnd += XSTR_SIZEOF("-----"); /* Read in the newline */ if (wolfSSL_BIO_read(bio, &pem[i], 1) != 1) { WOLFSSL_MSG("wolfSSL_BIO_read error"); goto err; } i++; if (*headerEnd != '\n' && *headerEnd != '\r') { WOLFSSL_MSG("Missing newline after header"); goto err; } } } else if (!footer) { footer = XSTRNSTR(headerEnd, "-----END ", (unsigned int)(i - (headerEnd - pem))); } else if (!footerEnd) { footerEnd = XSTRNSTR(footer + XSTR_SIZEOF("-----"), "-----", (unsigned int)(i - (footer + XSTR_SIZEOF("-----") - pem))); if (footerEnd) { footerEnd += XSTR_SIZEOF("-----"); /* Now check that footer matches header */ if ((headerEnd - (header + XSTR_SIZEOF("-----BEGIN "))) == (footerEnd - (footer + XSTR_SIZEOF("-----END "))) && XMEMCMP(header + XSTR_SIZEOF("-----BEGIN "), footer + XSTR_SIZEOF("-----END "), headerEnd - (header + XSTR_SIZEOF("-----BEGIN "))) != 0) { WOLFSSL_MSG("Header and footer don't match"); goto err; } /* header and footer match */ break; } } } if (!footerEnd) { /* Only check footerEnd since it is set last */ WOLFSSL_ERROR(ASN_NO_PEM_HEADER); goto err; } else { if (PEM_COMPARE_HEADER(header, headerEnd, "-----BEGIN CERTIFICATE-----")) { /* We have a certificate */ WOLFSSL_MSG("Parsing x509 cert"); *x509 = wolfSSL_X509_load_certificate_buffer( (const unsigned char*) header, (int)(footerEnd - header), WOLFSSL_FILETYPE_PEM); if (!*x509) { WOLFSSL_MSG("wolfSSL_X509_load_certificate_buffer error"); goto err; } } #ifdef HAVE_CRL else if (PEM_COMPARE_HEADER(header, headerEnd, "-----BEGIN X509 CRL-----")) { /* We have a crl */ WOLFSSL_MSG("Parsing crl"); if((PemToDer((const unsigned char*) header, footerEnd - header, CRL_TYPE, &der, NULL, NULL, NULL)) < 0) { WOLFSSL_MSG("PemToDer error"); goto err; } *crl = wolfSSL_d2i_X509_CRL(NULL, der->buffer, der->length); if (!*crl) { WOLFSSL_MSG("wolfSSL_d2i_X509_CRL error"); goto err; } } #endif else { WOLFSSL_MSG("Parsing x509 key"); if (!(*x_pkey = wolfSSL_X509_PKEY_new(NULL))) { WOLFSSL_MSG("wolfSSL_X509_PKEY_new error"); goto err; } if (!(pemBio = wolfSSL_BIO_new(wolfSSL_BIO_s_mem()))) { WOLFSSL_MSG("wolfSSL_BIO_new error"); goto err; } if (wolfSSL_BIO_write(pemBio, header, (int)(footerEnd - header)) != footerEnd - header) { WOLFSSL_MSG("wolfSSL_BIO_new error"); goto err; } if (wolfSSL_PEM_read_bio_PrivateKey(pemBio, &(*x_pkey)->dec_pkey, cb, NULL) == NULL) { WOLFSSL_MSG("wolfSSL_PEM_read_bio_PrivateKey error"); goto err; } wolfSSL_BIO_free(pemBio); } } XFREE(pem, 0, DYNAMIC_TYPE_PEM); #ifdef HAVE_CRL if (der) FreeDer(&der); #endif return WOLFSSL_SUCCESS; err: if (pem) XFREE(pem, 0, DYNAMIC_TYPE_PEM); #ifdef HAVE_CRL if (der) FreeDer(&der); #endif if (*x_pkey) { wolfSSL_X509_PKEY_free(*x_pkey); *x_pkey = NULL; } if (pemBio) wolfSSL_BIO_free(pemBio); return WOLFSSL_FAILURE; #else /* ! (WOLFSSL_PEM_TO_DER || WOLFSSL_DER_TO_PEM) */ return WOLFSSL_FAILURE; #endif /* WOLFSSL_PEM_TO_DER || WOLFSSL_DER_TO_PEM */ } #ifndef NO_FILESYSTEM WOLF_STACK_OF(WOLFSSL_X509_INFO)* wolfSSL_PEM_X509_INFO_read( XFILE fp, WOLF_STACK_OF(WOLFSSL_X509_INFO)* sk, pem_password_cb* cb, void* u) { WOLFSSL_BIO* fileBio = wolfSSL_BIO_new_fp(fp, BIO_NOCLOSE); WOLF_STACK_OF(WOLFSSL_X509_INFO)* ret = NULL; WOLFSSL_ENTER("wolfSSL_PEM_X509_INFO_read"); if (fileBio != NULL) { ret = wolfSSL_PEM_X509_INFO_read_bio(fileBio, sk, cb, u); wolfSSL_BIO_free(fileBio); } return ret; } #endif /* !NO_FILESYSTEM */ /* * bio WOLFSSL_BIO to read certificates from * sk possible stack to push more X509_INFO structs to. Can be NULL * cb callback password for encrypted PEM certificates * u user input such as password * * returns stack on success and NULL or default stack passed in on fail */ WOLF_STACK_OF(WOLFSSL_X509_INFO)* wolfSSL_PEM_X509_INFO_read_bio( WOLFSSL_BIO* bio, WOLF_STACK_OF(WOLFSSL_X509_INFO)* sk, wc_pem_password_cb* cb, void* u) { WOLF_STACK_OF(WOLFSSL_X509_INFO)* localSk = NULL; int ret = WOLFSSL_SUCCESS; WOLFSSL_X509_INFO* current = NULL; WOLFSSL_X509* x509 = NULL; WOLFSSL_X509_CRL* crl = NULL; WOLFSSL_X509_PKEY* x_pkey = NULL; (void)u; WOLFSSL_ENTER("wolfSSL_PEM_X509_INFO_read_bio"); /* attempt to use passed in stack or create a new one */ if (sk != NULL) { localSk = sk; } else { localSk = wolfSSL_sk_X509_INFO_new_null(); } if (localSk == NULL) { WOLFSSL_LEAVE("wolfSSL_PEM_X509_INFO_read_bio", MEMORY_E); return NULL; } /* parse through BIO and push new info's found onto stack */ while (1) { x509 = NULL; crl = NULL; x_pkey = NULL; if (wolfSSL_PEM_X509_X509_CRL_X509_PKEY_read_bio(bio, cb, &x509, &crl, &x_pkey) == WOLFSSL_SUCCESS) { if (current == NULL || (x509 && current->x509) || (crl && current->crl) || (x_pkey && current->x_pkey)) { /* Need to create new current since existing one already * has the member filled or this is the first successful * read. */ current = wolfSSL_X509_INFO_new(); if (current == NULL) { ret = MEMORY_E; break; } if (wolfSSL_sk_X509_INFO_push(localSk, current) != WOLFSSL_SUCCESS) { wolfSSL_X509_INFO_free(current); current = NULL; ret = WOLFSSL_FAILURE; break; } } if (x509) { current->x509 = x509; } else if (crl) { current->crl = crl; } else if (x_pkey) { current->x_pkey = x_pkey; } else { WOLFSSL_MSG("No output parameters set"); ret = WOLFSSL_FAILURE; break; } } else { #ifdef WOLFSSL_HAVE_ERROR_QUEUE unsigned long err; CLEAR_ASN_NO_PEM_HEADER_ERROR(err); if (ERR_GET_LIB(err) != ERR_LIB_PEM || ERR_GET_REASON(err) != PEM_R_NO_START_LINE) { ret = WOLFSSL_FAILURE; } #else if (wolfSSL_sk_X509_INFO_num(localSk) > 0) { WOLFSSL_MSG("At least one X509_INFO object on stack." "Assuming error means EOF or no more PEM" "headers found."); } else { ret = WOLFSSL_FAILURE; } #endif break; } } if (ret != WOLFSSL_SUCCESS || wolfSSL_sk_X509_INFO_num(localSk) == 0) { /* current should always be pushed onto the localsk stack at this * point. The only case when it isn't is when * wolfSSL_sk_X509_INFO_push fails but in that case the current * free is handled inside the loop. */ if (localSk != sk) { wolfSSL_sk_pop_free(localSk, NULL); } wolfSSL_X509_free(x509); #ifdef HAVE_CRL wolfSSL_X509_CRL_free(crl); #endif wolfSSL_X509_PKEY_free(x_pkey); localSk = NULL; } WOLFSSL_LEAVE("wolfSSL_PEM_X509_INFO_read_bio", ret); return localSk; } #endif /* !NO_BIO */ #endif /* OPENSSL_ALL */ void wolfSSL_X509_NAME_ENTRY_free(WOLFSSL_X509_NAME_ENTRY* ne) { WOLFSSL_ENTER("wolfSSL_X509_NAME_ENTRY_free"); if (ne != NULL) { wolfSSL_ASN1_OBJECT_free(ne->object); if (ne->value != NULL) { wolfSSL_ASN1_STRING_free(ne->value); } XFREE(ne, NULL, DYNAMIC_TYPE_NAME_ENTRY); } } WOLFSSL_X509_NAME_ENTRY* wolfSSL_X509_NAME_ENTRY_new(void) { WOLFSSL_X509_NAME_ENTRY* ne; ne = (WOLFSSL_X509_NAME_ENTRY*)XMALLOC(sizeof(WOLFSSL_X509_NAME_ENTRY), NULL, DYNAMIC_TYPE_NAME_ENTRY); if (ne != NULL) { XMEMSET(ne, 0, sizeof(WOLFSSL_X509_NAME_ENTRY)); } return ne; } /* Create a new WOLFSSL_X509_NAME_ENTRY structure based on the text passed * in. Returns NULL on failure */ WOLFSSL_X509_NAME_ENTRY* wolfSSL_X509_NAME_ENTRY_create_by_txt( WOLFSSL_X509_NAME_ENTRY **neIn, const char *txt, int type, const unsigned char *data, int dataSz) { int nid = -1; WOLFSSL_X509_NAME_ENTRY* ne = NULL; WOLFSSL_ENTER("wolfSSL_X509_NAME_ENTRY_create_by_txt()"); if (txt == NULL) { return NULL; } if (neIn != NULL) { ne = *neIn; } nid = wolfSSL_OBJ_txt2nid(txt); if (nid == NID_undef) { WOLFSSL_MSG("Unable to find text"); ne = NULL; } else { if (ne == NULL) { ne = wolfSSL_X509_NAME_ENTRY_new(); if (ne == NULL) { return NULL; } } ne->nid = nid; ne->object = wolfSSL_OBJ_nid2obj_ex(nid, ne->object); ne->value = wolfSSL_ASN1_STRING_type_new(type); if (ne->value != NULL) { if (wolfSSL_ASN1_STRING_set(ne->value, (const void*)data, dataSz) == WOLFSSL_SUCCESS) { ne->set = 1; } } } return ne; } /* Creates a new entry given the NID, type, and data * "dataSz" is number of bytes in data, if set to -1 then XSTRLEN is used * "out" can be used to store the new entry data in an existing structure * if NULL then a new WOLFSSL_X509_NAME_ENTRY structure is created * returns a pointer to WOLFSSL_X509_NAME_ENTRY on success and NULL on fail */ WOLFSSL_X509_NAME_ENTRY* wolfSSL_X509_NAME_ENTRY_create_by_NID( WOLFSSL_X509_NAME_ENTRY** out, int nid, int type, const unsigned char* data, int dataSz) { WOLFSSL_X509_NAME_ENTRY* ne; #ifdef WOLFSSL_DEBUG_OPENSSL WOLFSSL_ENTER("wolfSSL_X509_NAME_ENTRY_create_by_NID()"); #endif if (!data) { WOLFSSL_MSG("Bad parameter"); return NULL; } if (out == NULL || *out == NULL) { ne = wolfSSL_X509_NAME_ENTRY_new(); if (ne == NULL) { return NULL; } if (out != NULL) { *out = ne; } } else { ne = *out; } ne->nid = nid; ne->object = wolfSSL_OBJ_nid2obj_ex(nid, ne->object); ne->value = wolfSSL_ASN1_STRING_type_new(type); if (ne->value != NULL) { if (wolfSSL_ASN1_STRING_set(ne->value, (const void*)data, dataSz) == WOLFSSL_SUCCESS) { ne->set = 1; } } return ne; } /* add all entry of type "nid" to the buffer "fullName" and advance "idx" * since number of entries is small, a brute force search is used here * returns the number of entries added */ static int AddAllEntry(WOLFSSL_X509_NAME* name, char* fullName, int fullNameSz, int* idx) { int i; int ret = 0; for (i = 0; i < MAX_NAME_ENTRIES; i++) { if (name->entry[i].set) { WOLFSSL_X509_NAME_ENTRY* e; WOLFSSL_ASN1_OBJECT* obj; int sz; unsigned char* data; e = &name->entry[i]; obj = wolfSSL_X509_NAME_ENTRY_get_object(e); if (obj == NULL) { return BAD_FUNC_ARG; } XMEMCPY(fullName + *idx, "/", 1); *idx = *idx + 1; sz = (int)XSTRLEN(obj->sName); XMEMCPY(fullName + *idx, obj->sName, sz); *idx += sz; XMEMCPY(fullName + *idx, "=", 1); *idx = *idx + 1; data = wolfSSL_ASN1_STRING_data(e->value); if (data != NULL) { sz = (int)XSTRLEN((const char*)data); XMEMCPY(fullName + *idx, data, sz); *idx += sz; } ret++; } } (void)fullNameSz; return ret; } /* Converts a list of entries in WOLFSSL_X509_NAME struct into a string * returns 0 on success */ static int RebuildFullName(WOLFSSL_X509_NAME* name) { int totalLen = 0, i, idx, entryCount = 0; char* fullName; if (name == NULL) return BAD_FUNC_ARG; for (i = 0; i < MAX_NAME_ENTRIES; i++) { if (name->entry[i].set) { WOLFSSL_X509_NAME_ENTRY* e; WOLFSSL_ASN1_OBJECT* obj; e = &name->entry[i]; obj = wolfSSL_X509_NAME_ENTRY_get_object(e); if (obj == NULL) return BAD_FUNC_ARG; totalLen += (int)XSTRLEN(obj->sName) + 2;/*+2 for '/' and '=' */ totalLen += wolfSSL_ASN1_STRING_length(e->value); } } fullName = (char*)XMALLOC(totalLen + 1, name->heap, DYNAMIC_TYPE_X509); if (fullName == NULL) return MEMORY_E; idx = 0; entryCount = AddAllEntry(name, fullName, totalLen, &idx); if (entryCount < 0) { XFREE(fullName, name->heap, DYNAMIC_TYPE_X509); return entryCount; } if (name->dynamicName) { XFREE(name->name, name->heap, DYNAMIC_TYPE_X509); } fullName[idx] = '\0'; name->name = fullName; name->dynamicName = 1; name->sz = idx + 1; /* size includes null terminator */ name->entrySz = entryCount; return 0; } /* Copies entry into name. With it being copied freeing entry becomes the * callers responsibility. * returns 1 for success and 0 for error */ int wolfSSL_X509_NAME_add_entry(WOLFSSL_X509_NAME* name, WOLFSSL_X509_NAME_ENTRY* entry, int idx, int set) { WOLFSSL_X509_NAME_ENTRY* current = NULL; int ret, i; #ifdef WOLFSSL_DEBUG_OPENSSL WOLFSSL_ENTER("wolfSSL_X509_NAME_add_entry()"); #endif if (name == NULL || entry == NULL || entry->value == NULL) { WOLFSSL_MSG("NULL argument passed in"); return WOLFSSL_FAILURE; } if (idx >= 0) { /* place in specific index */ if (idx >= MAX_NAME_ENTRIES) { WOLFSSL_MSG("Error index to insert entry is larger than array"); return WOLFSSL_FAILURE; } i = idx; } else { /* iterate through and find first open spot */ for (i = 0; i < MAX_NAME_ENTRIES; i++) { if (name->entry[i].set != 1) { /* not set so overwritten */ WOLFSSL_MSG("Found place for name entry"); break; } } if (i == MAX_NAME_ENTRIES) { WOLFSSL_MSG("No spot found for name entry"); return WOLFSSL_FAILURE; } } current = &name->entry[i]; if (current->set == 0) name->entrySz++; if (wolfSSL_X509_NAME_ENTRY_create_by_NID(¤t, entry->nid, wolfSSL_ASN1_STRING_type(entry->value), wolfSSL_ASN1_STRING_data(entry->value), wolfSSL_ASN1_STRING_length(entry->value)) != NULL) { ret = WOLFSSL_SUCCESS; #ifdef OPENSSL_ALL if (name->entries == NULL) { name->entries = wolfSSL_sk_X509_NAME_new(NULL); } if (wolfSSL_sk_X509_NAME_ENTRY_push(name->entries, current ) != WOLFSSL_SUCCESS) { ret = WOLFSSL_FAILURE; } #endif } else { ret = WOLFSSL_FAILURE; } if (ret != WOLFSSL_SUCCESS) { WOLFSSL_MSG("Error adding the name entry"); if (current->set == 0) name->entrySz--; return WOLFSSL_FAILURE; } if (RebuildFullName(name) != 0) return WOLFSSL_FAILURE; (void)set; return WOLFSSL_SUCCESS; } int wolfSSL_X509_NAME_add_entry_by_txt(WOLFSSL_X509_NAME *name, const char *field, int type, const unsigned char *bytes, int len, int loc, int set) { int ret = WOLFSSL_FAILURE; int nid; WOLFSSL_X509_NAME_ENTRY* entry; (void)type; WOLFSSL_ENTER("wolfSSL_X509_NAME_add_entry_by_txt"); if (name == NULL || field == NULL) return WOLFSSL_FAILURE; if ((nid = wolfSSL_OBJ_txt2nid(field)) == NID_undef) { WOLFSSL_MSG("Unable convert text to NID"); return WOLFSSL_FAILURE; } entry = wolfSSL_X509_NAME_ENTRY_create_by_NID(NULL, nid, type, (unsigned char*)bytes, len); if (entry == NULL) return WOLFSSL_FAILURE; ret = wolfSSL_X509_NAME_add_entry(name, entry, loc, set); wolfSSL_X509_NAME_ENTRY_free(entry); return ret; } int wolfSSL_X509_NAME_add_entry_by_NID(WOLFSSL_X509_NAME *name, int nid, int type, const unsigned char *bytes, int len, int loc, int set) { int ret; WOLFSSL_X509_NAME_ENTRY* entry; WOLFSSL_ENTER("wolfSSL_X509_NAME_add_entry_by_NID"); entry = wolfSSL_X509_NAME_ENTRY_create_by_NID(NULL, nid, type, bytes, len); if (entry == NULL) return WOLFSSL_FAILURE; ret = wolfSSL_X509_NAME_add_entry(name, entry, loc, set); wolfSSL_X509_NAME_ENTRY_free(entry); return ret; } WOLFSSL_X509_NAME_ENTRY *wolfSSL_X509_NAME_delete_entry( WOLFSSL_X509_NAME *name, int loc) { WOLFSSL_X509_NAME_ENTRY* ret; WOLFSSL_ENTER("wolfSSL_X509_NAME_delete_entry"); if (!name) { WOLFSSL_MSG("Bad parameter"); return NULL; } ret = wolfSSL_X509_NAME_get_entry(name, loc); if (!ret) { WOLFSSL_MSG("loc entry not found"); return NULL; } name->entry[loc].set = 0; return ret; } #endif /* OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL */ #if defined(OPENSSL_EXTRA) && !defined(NO_ASN) int wolfSSL_X509_NAME_get_index_by_OBJ(WOLFSSL_X509_NAME *name, const WOLFSSL_ASN1_OBJECT *obj, int idx) { if (!name || idx >= MAX_NAME_ENTRIES || !obj || !obj->obj) { return -1; } if (idx < 0) { idx = -1; } for (idx++; idx < MAX_NAME_ENTRIES; idx++) { /* Find index of desired name */ if (name->entry[idx].set) { if (XSTRLEN(obj->sName) == XSTRLEN(name->entry[idx].object->sName) && XSTRNCMP((const char*) obj->sName, name->entry[idx].object->sName, obj->objSz - 1) == 0) { return idx; } } } return -1; } #endif #if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL) || \ defined(OPENSSL_EXTRA_X509_SMALL) /* returns a pointer to the internal entry at location 'loc' on success, * a null pointer is returned in fail cases */ WOLFSSL_X509_NAME_ENTRY *wolfSSL_X509_NAME_get_entry( WOLFSSL_X509_NAME *name, int loc) { #ifdef WOLFSSL_DEBUG_OPENSSL WOLFSSL_ENTER("wolfSSL_X509_NAME_get_entry"); #endif if (name == NULL) { return NULL; } if (loc < 0 || loc >= MAX_NAME_ENTRIES) { WOLFSSL_MSG("Bad argument"); return NULL; } if (name->entry[loc].set) { #ifdef WOLFSSL_PYTHON /* "set" is not only flag use, but also stack index position use in * OpenSSL. Python makes tuple based on this number. Therefore, * updating "set" by position + 1. "plus 1" means to avoid "not set" * zero. */ name->entry[loc].set = loc + 1; #endif return &name->entry[loc]; } else { return NULL; } } #endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */ #ifdef OPENSSL_EXTRA int wolfSSL_X509_check_private_key(WOLFSSL_X509 *x509, WOLFSSL_EVP_PKEY *key) { WOLFSSL_ENTER("wolfSSL_X509_check_private_key"); if (!x509 || !key) { WOLFSSL_MSG("Bad parameter"); return WOLFSSL_FAILURE; } #ifndef NO_CHECK_PRIVATE_KEY return wc_CheckPrivateKey((byte*)key->pkey.ptr, key->pkey_sz, x509->pubKey.buffer, x509->pubKey.length, (enum Key_Sum)x509->pubKeyOID) == 1 ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE; #else /* not compiled in */ return WOLFSSL_SUCCESS; #endif } #endif /* OPENSSL_EXTRA */ #if defined(HAVE_LIGHTY) || defined(HAVE_STUNNEL) \ || defined(WOLFSSL_MYSQL_COMPATIBLE) || defined(OPENSSL_EXTRA) #ifndef NO_BIO #ifdef WOLFSSL_CERT_GEN #ifdef WOLFSSL_CERT_REQ /* writes the x509 from x to the WOLFSSL_BIO bp * * returns WOLFSSL_SUCCESS on success and WOLFSSL_FAILURE on fail */ int wolfSSL_PEM_write_bio_X509_REQ(WOLFSSL_BIO *bp, WOLFSSL_X509 *x) { byte* pem; int pemSz = 0; const unsigned char* der; int derSz; int ret; WOLFSSL_ENTER("wolfSSL_PEM_write_bio_X509_REQ()"); if (x == NULL || bp == NULL) { return WOLFSSL_FAILURE; } der = wolfSSL_X509_get_der(x, &derSz); if (der == NULL) { return WOLFSSL_FAILURE; } /* get PEM size */ pemSz = wc_DerToPemEx(der, derSz, NULL, 0, NULL, CERTREQ_TYPE); if (pemSz < 0) { return WOLFSSL_FAILURE; } /* create PEM buffer and convert from DER */ pem = (byte*)XMALLOC(pemSz, NULL, DYNAMIC_TYPE_TMP_BUFFER); if (pem == NULL) { return WOLFSSL_FAILURE; } if (wc_DerToPemEx(der, derSz, pem, pemSz, NULL, CERTREQ_TYPE) < 0) { XFREE(pem, NULL, DYNAMIC_TYPE_TMP_BUFFER); return WOLFSSL_FAILURE; } /* write the PEM to BIO */ ret = wolfSSL_BIO_write(bp, pem, pemSz); XFREE(pem, NULL, DYNAMIC_TYPE_TMP_BUFFER); if (ret <= 0) return WOLFSSL_FAILURE; return WOLFSSL_SUCCESS; } #endif /* WOLFSSL_CERT_REQ */ /* writes the x509 from x to the WOLFSSL_BIO bp * * returns WOLFSSL_SUCCESS on success and WOLFSSL_FAILURE on fail */ int wolfSSL_PEM_write_bio_X509_AUX(WOLFSSL_BIO *bp, WOLFSSL_X509 *x) { byte* pem; int pemSz = 0; const unsigned char* der; int derSz; int ret; WOLFSSL_ENTER("wolfSSL_PEM_write_bio_X509_AUX()"); if (bp == NULL || x == NULL) { WOLFSSL_MSG("NULL argument passed in"); return WOLFSSL_FAILURE; } der = wolfSSL_X509_get_der(x, &derSz); if (der == NULL) { return WOLFSSL_FAILURE; } /* get PEM size */ pemSz = wc_DerToPemEx(der, derSz, NULL, 0, NULL, CERT_TYPE); if (pemSz < 0) { return WOLFSSL_FAILURE; } /* create PEM buffer and convert from DER */ pem = (byte*)XMALLOC(pemSz, NULL, DYNAMIC_TYPE_TMP_BUFFER); if (pem == NULL) { return WOLFSSL_FAILURE; } if (wc_DerToPemEx(der, derSz, pem, pemSz, NULL, CERT_TYPE) < 0) { XFREE(pem, NULL, DYNAMIC_TYPE_TMP_BUFFER); return WOLFSSL_FAILURE; } /* write the PEM to BIO */ ret = wolfSSL_BIO_write(bp, pem, pemSz); XFREE(pem, NULL, DYNAMIC_TYPE_TMP_BUFFER); if (ret <= 0) return WOLFSSL_FAILURE; return WOLFSSL_SUCCESS; } int wolfSSL_PEM_write_bio_X509(WOLFSSL_BIO *bio, WOLFSSL_X509 *cert) { byte* pem = NULL; int pemSz = 0; /* Get large buffer to hold cert der */ int derSz = X509_BUFFER_SZ; #ifdef WOLFSSL_SMALL_STACK byte* der; #else byte der[X509_BUFFER_SZ]; #endif int ret; WOLFSSL_ENTER("wolfSSL_PEM_write_bio_X509()"); if (bio == NULL || cert == NULL) { WOLFSSL_MSG("NULL argument passed in"); return WOLFSSL_FAILURE; } #ifdef WOLFSSL_SMALL_STACK der = (byte*)XMALLOC(derSz, NULL, DYNAMIC_TYPE_TMP_BUFFER); if (!der) { WOLFSSL_MSG("malloc failed"); return WOLFSSL_FAILURE; } #endif if (wolfssl_x509_make_der(cert, 0, der, &derSz, 1) != WOLFSSL_SUCCESS) { goto error; } /* get PEM size */ pemSz = wc_DerToPemEx(der, derSz, NULL, 0, NULL, CERT_TYPE); if (pemSz < 0) { goto error; } /* create PEM buffer and convert from DER */ pem = (byte*)XMALLOC(pemSz, NULL, DYNAMIC_TYPE_TMP_BUFFER); if (pem == NULL) { goto error; } if (wc_DerToPemEx(der, derSz, pem, pemSz, NULL, CERT_TYPE) < 0) { goto error; } /* write the PEM to BIO */ ret = wolfSSL_BIO_write(bio, pem, pemSz); XFREE(pem, NULL, DYNAMIC_TYPE_TMP_BUFFER); #ifdef WOLFSSL_SMALL_STACK XFREE(der, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif if (ret <= 0) return WOLFSSL_FAILURE; return WOLFSSL_SUCCESS; error: #ifdef WOLFSSL_SMALL_STACK XFREE(der, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif if (pem) XFREE(pem, NULL, DYNAMIC_TYPE_TMP_BUFFER); return WOLFSSL_FAILURE; } #endif /* WOLFSSL_CERT_GEN */ #endif /* !NO_BIO */ #endif /* HAVE_LIGHTY || HAVE_STUNNEL || WOLFSSL_MYSQL_COMPATIBLE */ #if defined(OPENSSL_EXTRA) || defined(HAVE_STUNNEL) || defined(WOLFSSL_NGINX) || \ defined(HAVE_LIGHTY) || defined(WOLFSSL_HAPROXY) || \ defined(WOLFSSL_OPENSSH) || defined(HAVE_SBLIM_SFCB) WOLF_STACK_OF(WOLFSSL_X509_NAME)* wolfSSL_sk_X509_NAME_new( WOLF_SK_COMPARE_CB(WOLFSSL_X509_NAME, cb)) { WOLFSSL_STACK* sk; (void)cb; WOLFSSL_ENTER("wolfSSL_sk_X509_NAME_new"); sk = wolfSSL_sk_new_node(NULL); if (sk != NULL) { sk->type = STACK_TYPE_X509_NAME; } return sk; } int wolfSSL_sk_X509_NAME_num(const WOLF_STACK_OF(WOLFSSL_X509_NAME) *sk) { WOLFSSL_ENTER("wolfSSL_sk_X509_NAME_num"); if (sk == NULL) return BAD_FUNC_ARG; return (int)sk->num; } /* Getter function for WOLFSSL_X509_NAME pointer * * sk is the stack to retrieve pointer from * i is the index value in stack * * returns a pointer to a WOLFSSL_X509_NAME structure on success and NULL on * fail */ WOLFSSL_X509_NAME* wolfSSL_sk_X509_NAME_value(const STACK_OF(WOLFSSL_X509_NAME)* sk, int i) { WOLFSSL_ENTER("wolfSSL_sk_X509_NAME_value"); return (WOLFSSL_X509_NAME*)wolfSSL_sk_value(sk, i); } WOLFSSL_X509_NAME* wolfSSL_sk_X509_NAME_pop(WOLF_STACK_OF(WOLFSSL_X509_NAME)* sk) { WOLFSSL_STACK* node; WOLFSSL_X509_NAME* name; if (sk == NULL) { return NULL; } node = sk->next; name = sk->data.name; if (node != NULL) { /* update sk and remove node from stack */ sk->data.name = node->data.name; sk->next = node->next; XFREE(node, NULL, DYNAMIC_TYPE_OPENSSL); } else { /* last x509 in stack */ sk->data.name = NULL; } if (sk->num > 0) { sk->num -= 1; } return name; } void wolfSSL_sk_X509_NAME_pop_free(WOLF_STACK_OF(WOLFSSL_X509_NAME)* sk, void (*f) (WOLFSSL_X509_NAME*)) { WOLFSSL_ENTER("wolfSSL_sk_X509_NAME_pop_free"); wolfSSL_sk_pop_free(sk, (wolfSSL_sk_freefunc)f); } /* Free only the sk structure, NOT X509_NAME members */ void wolfSSL_sk_X509_NAME_free(WOLF_STACK_OF(WOLFSSL_X509_NAME)* sk) { WOLFSSL_ENTER("wolfSSL_sk_X509_NAME_free"); wolfSSL_sk_free(sk); } int wolfSSL_sk_X509_NAME_push(WOLF_STACK_OF(WOLFSSL_X509_NAME)* sk, WOLFSSL_X509_NAME* name) { WOLFSSL_ENTER("wolfSSL_sk_X509_NAME_push"); return wolfSSL_sk_push(sk, name); } /* return index of found, or negative to indicate not found */ int wolfSSL_sk_X509_NAME_find(const WOLF_STACK_OF(WOLFSSL_X509_NAME) *sk, WOLFSSL_X509_NAME *name) { int i; WOLFSSL_ENTER("wolfSSL_sk_X509_NAME_find"); if (sk == NULL) return BAD_FUNC_ARG; for (i = 0; sk; i++, sk = sk->next) { if (wolfSSL_X509_NAME_cmp(sk->data.name, name) == 0) { return i; } } return -1; } /* Name Entry */ WOLF_STACK_OF(WOLFSSL_X509_NAME_ENTRY)* wolfSSL_sk_X509_NAME_ENTRY_new( WOLF_SK_COMPARE_CB(WOLFSSL_X509_NAME_ENTRY, cb)) { WOLFSSL_STACK* sk = wolfSSL_sk_new_node(NULL); if (sk != NULL) { sk->type = STACK_TYPE_X509_NAME_ENTRY; (void)cb; } return sk; } int wolfSSL_sk_X509_NAME_ENTRY_push(WOLF_STACK_OF(WOLFSSL_X509_NAME_ENTRY)* sk, WOLFSSL_X509_NAME_ENTRY* name_entry) { return wolfSSL_sk_push(sk, name_entry); } WOLFSSL_X509_NAME_ENTRY* wolfSSL_sk_X509_NAME_ENTRY_value( const WOLF_STACK_OF(WOLFSSL_X509_NAME_ENTRY)* sk, int i) { return (WOLFSSL_X509_NAME_ENTRY*)wolfSSL_sk_value(sk, i); } int wolfSSL_sk_X509_NAME_ENTRY_num(const WOLF_STACK_OF(WOLFSSL_X509_NAME_ENTRY)* sk) { if (sk == NULL) return BAD_FUNC_ARG; return (int)sk->num; } void wolfSSL_sk_X509_NAME_ENTRY_free(WOLF_STACK_OF(WOLFSSL_X509_NAME_ENTRY)* sk) { wolfSSL_sk_free(sk); } #endif /* OPENSSL_EXTRA || HAVE_STUNNEL || WOLFSSL_NGINX || HAVE_LIGHTY || WOLFSSL_HAPROXY || WOLFSSL_OPENSSH || HAVE_SBLIM_SFCB */ #if defined(OPENSSL_ALL) || defined(OPENSSL_EXTRA) || \ (defined(HAVE_STUNNEL) || defined(WOLFSSL_NGINX) || \ defined(HAVE_LIGHTY) || defined(WOLFSSL_HAPROXY) || \ defined(WOLFSSL_OPENSSH) || defined(HAVE_SBLIM_SFCB)) #if defined(OPENSSL_ALL) WOLFSSL_X509_INFO* wolfSSL_X509_INFO_new(void) { WOLFSSL_X509_INFO* info; info = (WOLFSSL_X509_INFO*)XMALLOC(sizeof(WOLFSSL_X509_INFO), NULL, DYNAMIC_TYPE_X509); if (info) { XMEMSET(info, 0, sizeof(*info)); } return info; } void wolfSSL_X509_INFO_free(WOLFSSL_X509_INFO* info) { if (info == NULL) return; if (info->x509) { wolfSSL_X509_free(info->x509); info->x509 = NULL; } #ifdef HAVE_CRL if (info->crl) { wolfSSL_X509_CRL_free(info->crl); info->crl = NULL; } #endif wolfSSL_X509_PKEY_free(info->x_pkey); info->x_pkey = NULL; XFREE(info, NULL, DYNAMIC_TYPE_X509); } #endif WOLFSSL_STACK* wolfSSL_sk_X509_INFO_new_null(void) { WOLFSSL_STACK* sk = wolfSSL_sk_new_node(NULL); if (sk) { sk->type = STACK_TYPE_X509_INFO; } return sk; } int wolfSSL_sk_X509_INFO_num(const WOLF_STACK_OF(WOLFSSL_X509_INFO) *sk) { WOLFSSL_ENTER("wolfSSL_sk_X509_INFO_num"); return wolfSSL_sk_num(sk); } WOLFSSL_X509_INFO* wolfSSL_sk_X509_INFO_value( const WOLF_STACK_OF(WOLFSSL_X509_INFO) *sk, int i) { WOLFSSL_ENTER("wolfSSL_sk_X509_INFO_value"); return (WOLFSSL_X509_INFO *)wolfSSL_sk_value(sk, i); } WOLFSSL_X509_INFO* wolfSSL_sk_X509_INFO_pop( WOLF_STACK_OF(WOLFSSL_X509_INFO)* sk) { WOLFSSL_STACK* node; WOLFSSL_X509_INFO* info; if (sk == NULL) { return NULL; } node = sk->next; info = sk->data.info; if (node != NULL) { /* update sk and remove node from stack */ sk->data.info = node->data.info; sk->next = node->next; wolfSSL_sk_free_node(node); } else { /* last x509 in stack */ sk->data.info = NULL; } if (sk->num > 0) { sk->num -= 1; } return info; } #if defined(OPENSSL_ALL) void wolfSSL_sk_X509_INFO_pop_free(WOLF_STACK_OF(WOLFSSL_X509_INFO)* sk, void (*f) (WOLFSSL_X509_INFO*)) { WOLFSSL_ENTER("wolfSSL_sk_X509_INFO_pop_free"); wolfSSL_sk_pop_free(sk, (wolfSSL_sk_freefunc)f); } void wolfSSL_sk_X509_INFO_free(WOLF_STACK_OF(WOLFSSL_X509_INFO) *sk) { WOLFSSL_ENTER("wolfSSL_sk_X509_INFO_free"); wolfSSL_sk_free(sk); } /* Adds the WOLFSSL_X509_INFO to the stack "sk". "sk" takes control of "in" and * tries to free it when the stack is free'd. * * return 1 on success 0 on fail */ int wolfSSL_sk_X509_INFO_push(WOLF_STACK_OF(WOLFSSL_X509_INFO)* sk, WOLFSSL_X509_INFO* in) { return wolfSSL_sk_push(sk, in); } /* Creates a duplicate of WOLF_STACK_OF(WOLFSSL_X509_NAME). * Returns a new WOLF_STACK_OF(WOLFSSL_X509_NAME) or NULL on failure */ WOLF_STACK_OF(WOLFSSL_X509_NAME) *wolfSSL_dup_CA_list( WOLF_STACK_OF(WOLFSSL_X509_NAME)* sk) { int i; const int num = wolfSSL_sk_X509_NAME_num(sk); WOLF_STACK_OF(WOLFSSL_X509_NAME) *copy; WOLFSSL_X509_NAME *name; WOLFSSL_ENTER("wolfSSL_dup_CA_list"); copy = wolfSSL_sk_X509_NAME_new(NULL); if (copy == NULL) { WOLFSSL_MSG("Memory error"); return NULL; } for (i = 0; i < num; i++) { name = wolfSSL_X509_NAME_dup(wolfSSL_sk_X509_NAME_value(sk, i)); if (name == NULL || 0 != wolfSSL_sk_X509_NAME_push(copy, name)) { WOLFSSL_MSG("Memory error"); wolfSSL_sk_X509_NAME_pop_free(copy, wolfSSL_X509_NAME_free); return NULL; } } return copy; } void* wolfSSL_sk_X509_OBJECT_value(WOLF_STACK_OF(WOLFSSL_X509_OBJECT)* sk, int i) { WOLFSSL_ENTER("wolfSSL_sk_X509_OBJECT_value"); for (; sk != NULL && i > 0; i--) sk = sk->next; if (i != 0 || sk == NULL) return NULL; return sk->data.x509_obj; } int wolfSSL_sk_X509_OBJECT_num(const WOLF_STACK_OF(WOLFSSL_X509_OBJECT) *s) { WOLFSSL_ENTER("wolfSSL_sk_X509_OBJECT_num"); if (s) { return (int)s->num; } else { return 0; } } int wolfSSL_sk_X509_NAME_set_cmp_func(WOLF_STACK_OF(WOLFSSL_X509_NAME)* sk, WOLF_SK_COMPARE_CB(WOLFSSL_X509_NAME, cb)) { WOLFSSL_ENTER("wolfSSL_sk_X509_NAME_set_cmp_func"); if (sk == NULL) return BAD_FUNC_ARG; WOLFSSL_MSG("Stack comparison not used in wolfSSL"); (void)cb; return 0; } #endif /* OPENSSL_ALL */ #ifndef NO_BIO /* Helper function for X509_NAME_print_ex. Sets *buf to string for domain name attribute based on NID. Returns size of buf */ static int get_dn_attr_by_nid(int n, const char** buf) { int len = 0; const char *str; switch(n) { case NID_commonName : str = "CN"; len = 2; break; case NID_countryName: str = "C"; len = 1; break; case NID_localityName: str = "L"; len = 1; break; case NID_stateOrProvinceName: str = "ST"; len = 2; break; case NID_organizationName: str = "O"; len = 1; break; case NID_organizationalUnitName: str = "OU"; len = 2; break; case NID_emailAddress: str = "emailAddress"; len = 12; break; case NID_surname: str = "SN"; len = 2; break; case NID_givenName: str = "GN"; len = 2; break; case NID_dnQualifier: str = "dnQualifier"; len = 11; break; case NID_name: str = "name"; len = 4; break; case NID_initials: str = "initials"; len = 8; break; case NID_distinguishedName: str = "DN"; len = 2; break; default: WOLFSSL_MSG("Attribute type not found"); str = NULL; } if (buf != NULL) *buf = str; return len; } /** * Escape input string for RFC2253 requirements. The following characters * are escaped with a backslash (\): * * 1. A space or '#' at the beginning of the string * 2. A space at the end of the string * 3. One of: ",", "+", """, "\", "<", ">", ";" * * in - input string to escape * inSz - length of in, not including the null terminator * out - buffer for output string to be written, will be null terminated * outSz - size of out * * Returns size of output string (not counting NULL terminator) on success, * negative on error. */ static int wolfSSL_EscapeString_RFC2253(char* in, word32 inSz, char* out, word32 outSz) { word32 inIdx = 0; word32 outIdx = 0; char c = 0; if (in == NULL || out == NULL || inSz == 0 || outSz == 0) { return BAD_FUNC_ARG; } for (inIdx = 0; inIdx < inSz; inIdx++) { c = in[inIdx]; if (((inIdx == 0) && (c == ' ' || c == '#')) || ((inIdx == (inSz-1)) && (c == ' ')) || c == ',' || c == '+' || c == '"' || c == '\\' || c == '<' || c == '>' || c == ';') { if (outIdx > (outSz - 1)) { return BUFFER_E; } out[outIdx] = '\\'; outIdx++; } if (outIdx > (outSz - 1)) { return BUFFER_E; } out[outIdx] = c; outIdx++; } /* null terminate out */ if (outIdx > (outSz -1)) { return BUFFER_E; } out[outIdx] = '\0'; return outIdx; } /* * Print human readable version of X509_NAME to provided BIO. * * bio - output BIO to place name string. Does not include null terminator. * name - input name to convert to string * indent - number of indent spaces to prepend to name string * flags - flags to control function behavior. Not all flags are currently * supported/implemented. Currently supported are: * XN_FLAG_RFC2253 - only the backslash escape requirements from * RFC22523 currently implemented. * XN_FLAG_DN_REV - print name reversed. Automatically done by * XN_FLAG_RFC2253. * * Returns WOLFSSL_SUCCESS (1) on success, WOLFSSL_FAILURE (0) on failure. */ int wolfSSL_X509_NAME_print_ex(WOLFSSL_BIO* bio, WOLFSSL_X509_NAME* name, int indent, unsigned long flags) { int i, count = 0, len = 0, tmpSz = 0, nameStrSz = 0, escapeSz = 0; char* tmp = NULL; char* nameStr = NULL; const char *buf = NULL; WOLFSSL_X509_NAME_ENTRY* ne; WOLFSSL_ASN1_STRING* str; char escaped[ASN_NAME_MAX]; WOLFSSL_ENTER("wolfSSL_X509_NAME_print_ex"); if ((name == NULL) || (name->sz == 0) || (bio == NULL)) return WOLFSSL_FAILURE; for (i = 0; i < indent; i++) { if (wolfSSL_BIO_write(bio, " ", 1) != 1) return WOLFSSL_FAILURE; } count = wolfSSL_X509_NAME_entry_count(name); for (i = 0; i < count; i++) { /* reverse name order for RFC2253 and DN_REV */ if ((flags & XN_FLAG_RFC2253) || (flags & XN_FLAG_DN_REV)) { ne = wolfSSL_X509_NAME_get_entry(name, count - i - 1); } else { ne = wolfSSL_X509_NAME_get_entry(name, i); } if (ne == NULL) return WOLFSSL_FAILURE; str = wolfSSL_X509_NAME_ENTRY_get_data(ne); if (str == NULL) return WOLFSSL_FAILURE; if (flags & XN_FLAG_RFC2253) { /* escape string for RFC 2253, ret sz not counting null term */ escapeSz = wolfSSL_EscapeString_RFC2253(str->data, str->length, escaped, sizeof(escaped)); if (escapeSz < 0) return WOLFSSL_FAILURE; nameStr = escaped; nameStrSz = escapeSz; } else { nameStr = str->data; nameStrSz = str->length; } /* len is without null terminator */ len = get_dn_attr_by_nid(ne->nid, &buf); if (len == 0 || buf == NULL) return WOLFSSL_FAILURE; tmpSz = nameStrSz + len + 3; /* + 3 for '=', comma, and '\0' */ tmp = (char*)XMALLOC(tmpSz, NULL, DYNAMIC_TYPE_TMP_BUFFER); if (tmp == NULL) { return WOLFSSL_FAILURE; } if (i < count - 1) { if (XSNPRINTF(tmp, tmpSz, "%s=%s,", buf, nameStr) >= tmpSz) { WOLFSSL_MSG("buffer overrun"); return WOLFSSL_FAILURE; } tmpSz = len + nameStrSz + 2; /* 2 for '=', comma */ } else { if (XSNPRINTF(tmp, tmpSz, "%s=%s", buf, nameStr) >= tmpSz) { WOLFSSL_MSG("buffer overrun"); return WOLFSSL_FAILURE; } tmpSz = len + nameStrSz + 1; /* 1 for '=' */ if (bio->type != WOLFSSL_BIO_FILE) ++tmpSz; /* include the terminating null when not writing to a * file. */ } if (wolfSSL_BIO_write(bio, tmp, tmpSz) != tmpSz) { XFREE(tmp, NULL, DYNAMIC_TYPE_TMP_BUFFER); return WOLFSSL_FAILURE; } XFREE(tmp, NULL, DYNAMIC_TYPE_TMP_BUFFER); } return WOLFSSL_SUCCESS; } #ifndef NO_FILESYSTEM int wolfSSL_X509_NAME_print_ex_fp(XFILE file, WOLFSSL_X509_NAME* name, int indent, unsigned long flags) { WOLFSSL_BIO* bio; int ret; WOLFSSL_ENTER("wolfSSL_X509_NAME_print_ex_fp"); if (!(bio = wolfSSL_BIO_new_fp(file, BIO_NOCLOSE))) { WOLFSSL_MSG("wolfSSL_BIO_new_fp error"); return WOLFSSL_FAILURE; } ret = wolfSSL_X509_NAME_print_ex(bio, name, indent, flags); wolfSSL_BIO_free(bio); return ret; } #endif /* NO_FILESYSTEM */ #endif /* !NO_BIO */ #ifndef NO_WOLFSSL_STUB WOLFSSL_ASN1_BIT_STRING* wolfSSL_X509_get0_pubkey_bitstr(const WOLFSSL_X509* x) { (void)x; WOLFSSL_ENTER("wolfSSL_X509_get0_pubkey_bitstr"); WOLFSSL_STUB("X509_get0_pubkey_bitstr"); return NULL; } #endif #ifdef OPENSSL_ALL WOLFSSL_X509_LOOKUP_TYPE wolfSSL_X509_OBJECT_get_type( const WOLFSSL_X509_OBJECT* obj) { if (obj == NULL) return WOLFSSL_X509_LU_NONE; return obj->type; } WOLFSSL_X509_OBJECT* wolfSSL_X509_OBJECT_new(void) { WOLFSSL_X509_OBJECT* ret = (WOLFSSL_X509_OBJECT*) XMALLOC(sizeof(WOLFSSL_X509_OBJECT), NULL, DYNAMIC_TYPE_OPENSSL); if (ret != NULL) XMEMSET(ret, 0, sizeof(WOLFSSL_X509_OBJECT)); return ret; } void wolfSSL_X509_OBJECT_free(WOLFSSL_X509_OBJECT *obj) { WOLFSSL_ENTER("wolfSSL_X509_OBJECT_free"); if (obj != NULL) { if (obj->type == WOLFSSL_X509_LU_X509) { wolfSSL_X509_free(obj->data.x509); } else { /* We don't free as this will point to * store->cm->crl which we don't own */ WOLFSSL_MSG("Not free'ing CRL in WOLFSSL_X509_OBJECT"); } XFREE(obj, NULL, DYNAMIC_TYPE_OPENSSL); } } #endif /* OPENSSL_ALL */ #ifndef NO_WOLFSSL_STUB WOLFSSL_X509_OBJECT* wolfSSL_sk_X509_OBJECT_delete( WOLF_STACK_OF(WOLFSSL_X509_OBJECT)* sk, int i) { WOLFSSL_ENTER("wolfSSL_sk_X509_OBJECT_delete"); WOLFSSL_STUB("wolfSSL_sk_X509_OBJECT_delete"); (void)sk; (void)i; return NULL; } #endif WOLFSSL_X509 *wolfSSL_X509_OBJECT_get0_X509(const WOLFSSL_X509_OBJECT *obj) { if (obj != NULL && obj->type == WOLFSSL_X509_LU_X509) return obj->data.x509; return NULL; } WOLFSSL_X509_CRL *wolfSSL_X509_OBJECT_get0_X509_CRL(WOLFSSL_X509_OBJECT *obj) { if (obj != NULL && obj->type == WOLFSSL_X509_LU_CRL) return obj->data.crl; return NULL; } #endif /* OPENSSL_ALL || (OPENSSL_EXTRA && (HAVE_STUNNEL || WOLFSSL_NGINX || * HAVE_LIGHTY || WOLFSSL_HAPROXY || WOLFSSL_OPENSSH || * HAVE_SBLIM_SFCB)) */ #if defined(OPENSSL_EXTRA) int wolfSSL_sk_X509_num(const WOLF_STACK_OF(WOLFSSL_X509) *s) { WOLFSSL_ENTER("wolfSSL_sk_X509_num"); if (s == NULL) return -1; return (int)s->num; } #endif /* OPENSSL_EXTRA */ #if defined(HAVE_EX_DATA) && (defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) \ || defined(WOLFSSL_HAPROXY) || defined(OPENSSL_EXTRA) \ || defined(HAVE_LIGHTY)) int wolfSSL_X509_get_ex_new_index(int idx, void *arg, void *a, void *b, void *c) { WOLFSSL_ENTER("wolfSSL_X509_get_ex_new_index"); WOLFSSL_CRYPTO_EX_DATA_IGNORE_PARAMS(idx, arg, a, b, c); return wolfssl_get_ex_new_index(CRYPTO_EX_INDEX_X509); } #endif #if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL) || \ defined(WOLFSSL_WPAS_SMALL) void *wolfSSL_X509_get_ex_data(X509 *x509, int idx) { WOLFSSL_ENTER("wolfSSL_X509_get_ex_data"); #ifdef HAVE_EX_DATA if (x509 != NULL) { return wolfSSL_CRYPTO_get_ex_data(&x509->ex_data, idx); } #else (void)x509; (void)idx; #endif return NULL; } int wolfSSL_X509_set_ex_data(X509 *x509, int idx, void *data) { WOLFSSL_ENTER("wolfSSL_X509_set_ex_data"); #ifdef HAVE_EX_DATA if (x509 != NULL) { return wolfSSL_CRYPTO_set_ex_data(&x509->ex_data, idx, data); } #else (void)x509; (void)idx; (void)data; #endif return WOLFSSL_FAILURE; } #ifdef HAVE_EX_DATA_CLEANUP_HOOKS int wolfSSL_X509_set_ex_data_with_cleanup( X509 *x509, int idx, void *data, wolfSSL_ex_data_cleanup_routine_t cleanup_routine) { WOLFSSL_ENTER("wolfSSL_X509_set_ex_data_with_cleanup"); if (x509 != NULL) { return wolfSSL_CRYPTO_set_ex_data_with_cleanup(&x509->ex_data, idx, data, cleanup_routine); } return WOLFSSL_FAILURE; } #endif /* HAVE_EX_DATA_CLEANUP_HOOKS */ #endif /* OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL || WOLFSSL_WPAS_SMALL */ #ifndef NO_ASN int wolfSSL_X509_check_host(WOLFSSL_X509 *x, const char *chk, size_t chklen, unsigned int flags, char **peername) { int ret; #ifdef WOLFSSL_SMALL_STACK DecodedCert *dCert; #else DecodedCert dCert[1]; #endif WOLFSSL_ENTER("wolfSSL_X509_check_host"); /* flags and peername not needed for Nginx. */ (void)flags; (void)peername; if ((x == NULL) || (chk == NULL)) { WOLFSSL_MSG("Invalid parameter"); return WOLFSSL_FAILURE; } if (flags == WOLFSSL_NO_WILDCARDS) { WOLFSSL_MSG("X509_CHECK_FLAG_NO_WILDCARDS not yet implemented"); return WOLFSSL_FAILURE; } if (flags == WOLFSSL_NO_PARTIAL_WILDCARDS) { WOLFSSL_MSG("X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS not yet implemented"); return WOLFSSL_FAILURE; } #ifdef WOLFSSL_SMALL_STACK dCert = (DecodedCert *)XMALLOC(sizeof(*dCert), x->heap, DYNAMIC_TYPE_DCERT); if (dCert == NULL) { WOLFSSL_MSG("\tout of memory"); return WOLFSSL_FATAL_ERROR; } #endif InitDecodedCert(dCert, x->derCert->buffer, x->derCert->length, NULL); ret = ParseCertRelative(dCert, CERT_TYPE, 0, NULL); if (ret != 0) { goto out; } ret = CheckHostName(dCert, (char *)chk, chklen); out: FreeDecodedCert(dCert); #ifdef WOLFSSL_SMALL_STACK XFREE(dCert, x->heap, DYNAMIC_TYPE_DCERT); #endif if (ret != 0) return WOLFSSL_FAILURE; return WOLFSSL_SUCCESS; } int wolfSSL_X509_check_ip_asc(WOLFSSL_X509 *x, const char *ipasc, unsigned int flags) { int ret = WOLFSSL_FAILURE; #ifdef WOLFSSL_SMALL_STACK DecodedCert *dCert = NULL; #else DecodedCert dCert[1]; #endif WOLFSSL_ENTER("wolfSSL_X509_check_ip_asc"); /* flags not yet implemented */ (void)flags; if ((x == NULL) || (x->derCert == NULL) || (ipasc == NULL)) { WOLFSSL_MSG("Invalid parameter"); } else { ret = WOLFSSL_SUCCESS; } #ifdef WOLFSSL_SMALL_STACK if (ret == WOLFSSL_SUCCESS) { dCert = (DecodedCert *)XMALLOC(sizeof(*dCert), x->heap, DYNAMIC_TYPE_DCERT); if (dCert == NULL) { WOLFSSL_MSG("\tout of memory"); ret = WOLFSSL_FAILURE; } } #endif if (ret == WOLFSSL_SUCCESS) { InitDecodedCert(dCert, x->derCert->buffer, x->derCert->length, NULL); ret = ParseCertRelative(dCert, CERT_TYPE, 0, NULL); if (ret != 0) { ret = WOLFSSL_FAILURE; } else { ret = CheckIPAddr(dCert, ipasc); if (ret != 0) { ret = WOLFSSL_FAILURE; } else { ret = WOLFSSL_SUCCESS; } } FreeDecodedCert(dCert); } #ifdef WOLFSSL_SMALL_STACK if (dCert != NULL) XFREE(dCert, x->heap, DYNAMIC_TYPE_DCERT); #endif return ret; } #endif #if defined(OPENSSL_EXTRA) && defined(WOLFSSL_CERT_GEN) int wolfSSL_X509_check_email(WOLFSSL_X509 *x, const char *chk, size_t chkLen, unsigned int flags) { WOLFSSL_X509_NAME *subjName; int emailLen; char *emailBuf; (void)flags; WOLFSSL_ENTER("wolfSSL_X509_check_email"); if ((x == NULL) || (chk == NULL)) { WOLFSSL_MSG("Invalid parameter"); return WOLFSSL_FAILURE; } subjName = wolfSSL_X509_get_subject_name(x); if (subjName == NULL) return WOLFSSL_FAILURE; /* Call with NULL buffer to get required length. */ emailLen = wolfSSL_X509_NAME_get_text_by_NID(subjName, NID_emailAddress, NULL, 0); if (emailLen < 0) return WOLFSSL_FAILURE; ++emailLen; /* Add 1 for the NUL. */ emailBuf = (char*)XMALLOC(emailLen, x->heap, DYNAMIC_TYPE_OPENSSL); if (emailBuf == NULL) return WOLFSSL_FAILURE; emailLen = wolfSSL_X509_NAME_get_text_by_NID(subjName, NID_emailAddress, emailBuf, emailLen); if (emailLen < 0) { XFREE(emailBuf, x->heap, DYNAMIC_TYPE_OPENSSL); return WOLFSSL_FAILURE; } if (chkLen == 0) chkLen = XSTRLEN(chk); if (chkLen != (size_t)emailLen || XSTRNCMP(chk, emailBuf, chkLen)) { XFREE(emailBuf, x->heap, DYNAMIC_TYPE_OPENSSL); return WOLFSSL_FAILURE; } XFREE(emailBuf, x->heap, DYNAMIC_TYPE_OPENSSL); return WOLFSSL_SUCCESS; } #endif /* OPENSSL_EXTRA && WOLFSSL_CERT_GEN */ #if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY) \ || defined(OPENSSL_EXTRA) || defined(HAVE_LIGHTY) int wolfSSL_X509_NAME_digest(const WOLFSSL_X509_NAME *name, const WOLFSSL_EVP_MD *type, unsigned char *md, unsigned int *len) { WOLFSSL_ENTER("wolfSSL_X509_NAME_digest"); if (name == NULL || type == NULL) return WOLFSSL_FAILURE; #if !defined(NO_FILESYSTEM) && !defined(NO_PWDBASED) return wolfSSL_EVP_Digest((unsigned char*)name->name, name->sz, md, len, type, NULL); #else (void)md; (void)len; return NOT_COMPILED_IN; #endif } #endif /* OPENSSL_ALL || WOLFSSL_NGINX || WOLFSSL_HAPROXY || OPENSSL_EXTRA || HAVE_LIGHTY */ #if defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY) || \ defined(OPENSSL_EXTRA) || defined(OPENSSL_ALL) /** * Find the issuing cert of the input cert. On a self-signed cert this * function will return an error. * @param issuer The issuer x509 struct is returned here * @param cm The cert manager that is queried for the issuer * @param x This cert's issuer will be queried in cm * @return WOLFSSL_SUCCESS on success * WOLFSSL_FAILURE on error */ static int x509GetIssuerFromCM(WOLFSSL_X509 **issuer, WOLFSSL_CERT_MANAGER* cm, WOLFSSL_X509 *x) { Signer* ca = NULL; #ifdef WOLFSSL_SMALL_STACK DecodedCert* cert = NULL; #else DecodedCert cert[1]; #endif if (cm == NULL || x == NULL || x->derCert == NULL) { WOLFSSL_MSG("No cert DER buffer or NULL cm. Defining " "WOLFSSL_SIGNER_DER_CERT could solve the issue"); return WOLFSSL_FAILURE; } #ifdef WOLFSSL_SMALL_STACK cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert), NULL, DYNAMIC_TYPE_DCERT); if (cert == NULL) return WOLFSSL_FAILURE; #endif /* Use existing CA retrieval APIs that use DecodedCert. */ InitDecodedCert(cert, x->derCert->buffer, x->derCert->length, NULL); if (ParseCertRelative(cert, CERT_TYPE, 0, NULL) == 0 && !cert->selfSigned) { #ifndef NO_SKID if (cert->extAuthKeyIdSet) ca = GetCA(cm, cert->extAuthKeyId); if (ca == NULL) ca = GetCAByName(cm, cert->issuerHash); #else /* NO_SKID */ ca = GetCA(cm, cert->issuerHash); #endif /* NO SKID */ } FreeDecodedCert(cert); #ifdef WOLFSSL_SMALL_STACK XFREE(cert, NULL, DYNAMIC_TYPE_DCERT); #endif if (ca == NULL) return WOLFSSL_FAILURE; #ifdef WOLFSSL_SIGNER_DER_CERT /* populate issuer with Signer DER */ if (wolfSSL_X509_d2i(issuer, ca->derCert->buffer, ca->derCert->length) == NULL) return WOLFSSL_FAILURE; #else /* Create an empty certificate as CA doesn't have a certificate. */ *issuer = (WOLFSSL_X509 *)XMALLOC(sizeof(WOLFSSL_X509), 0, DYNAMIC_TYPE_OPENSSL); if (*issuer == NULL) return WOLFSSL_FAILURE; InitX509((*issuer), 1, NULL); #endif return WOLFSSL_SUCCESS; } void wolfSSL_X509_email_free(WOLF_STACK_OF(WOLFSSL_STRING) *sk) { WOLFSSL_STACK *curr; while (sk != NULL) { curr = sk; sk = sk->next; XFREE(curr, NULL, DYNAMIC_TYPE_OPENSSL); } } WOLF_STACK_OF(WOLFSSL_STRING) *wolfSSL_X509_get1_ocsp(WOLFSSL_X509 *x) { WOLFSSL_STACK* list = NULL; char* url; if (x == NULL || x->authInfoSz == 0) return NULL; list = (WOLFSSL_STACK*)XMALLOC(sizeof(WOLFSSL_STACK) + x->authInfoSz + 1, NULL, DYNAMIC_TYPE_OPENSSL); if (list == NULL) return NULL; url = (char*)list; url += sizeof(WOLFSSL_STACK); XMEMCPY(url, x->authInfo, x->authInfoSz); url[x->authInfoSz] = '\0'; list->data.string = url; list->next = NULL; return list; } int wolfSSL_X509_check_issued(WOLFSSL_X509 *issuer, WOLFSSL_X509 *subject) { WOLFSSL_X509_NAME *issuerName = wolfSSL_X509_get_issuer_name(subject); WOLFSSL_X509_NAME *subjectName = wolfSSL_X509_get_subject_name(issuer); if (issuerName == NULL || subjectName == NULL) return X509_V_ERR_SUBJECT_ISSUER_MISMATCH; /* Literal matching of encoded names and key ids. */ if (issuerName->sz != subjectName->sz || XMEMCMP(issuerName->name, subjectName->name, subjectName->sz) != 0) { return X509_V_ERR_SUBJECT_ISSUER_MISMATCH; } if (subject->authKeyId != NULL && issuer->subjKeyId != NULL) { if (subject->authKeyIdSz != issuer->subjKeyIdSz || XMEMCMP(subject->authKeyId, issuer->subjKeyId, issuer->subjKeyIdSz) != 0) { return X509_V_ERR_SUBJECT_ISSUER_MISMATCH; } } return X509_V_OK; } #endif /* WOLFSSL_NGINX || WOLFSSL_HAPROXY || OPENSSL_EXTRA || OPENSSL_ALL */ #if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL) || \ defined(KEEP_PEER_CERT) WOLFSSL_X509* wolfSSL_X509_dup(WOLFSSL_X509 *x) { WOLFSSL_ENTER("wolfSSL_X509_dup"); if (x == NULL) { WOLFSSL_MSG("Error: NULL input"); return NULL; } if (x->derCert == NULL) { WOLFSSL_MSG("Error: NULL derCert parameter"); return NULL; } return wolfSSL_X509_d2i(NULL, x->derCert->buffer, x->derCert->length); } #endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */ #if defined(OPENSSL_EXTRA) int wolfSSL_X509_check_ca(WOLFSSL_X509 *x509) { WOLFSSL_ENTER("X509_check_ca"); if (x509 == NULL) return WOLFSSL_FAILURE; if (x509->isCa) return 1; if (x509->extKeyUsageCrit) return 4; return 0; } #endif /* OPENSSL_EXTRA */ #if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL) long wolfSSL_X509_get_version(const WOLFSSL_X509 *x509) { int version = 0; WOLFSSL_ENTER("wolfSSL_X509_get_version"); if (x509 == NULL){ WOLFSSL_MSG("invalid parameter"); return 0L; } version = x509->version; if (version != 0) return (long)version - 1L; return 0L; } #endif /* OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL */ #if defined(OPENSSL_EXTRA) int wolfSSL_X509_get_signature_nid(const WOLFSSL_X509 *x) { if (x == NULL) return 0; return oid2nid(x->sigOID, oidSigType); } #endif /* OPENSSL_EXTRA */ #if defined(OPENSSL_EXTRA) WOLFSSL_STACK* wolfSSL_sk_X509_new(void) { WOLFSSL_STACK* s = (WOLFSSL_STACK*)XMALLOC(sizeof(WOLFSSL_STACK), NULL, DYNAMIC_TYPE_OPENSSL); if (s != NULL) { XMEMSET(s, 0, sizeof(*s)); s->type = STACK_TYPE_X509; } return s; } #endif #ifdef OPENSSL_ALL WOLFSSL_STACK* wolfSSL_sk_X509_OBJECT_new(void) { WOLFSSL_STACK* s = (WOLFSSL_STACK*)XMALLOC(sizeof(WOLFSSL_STACK), NULL, DYNAMIC_TYPE_OPENSSL); WOLFSSL_ENTER("wolfSSL_sk_X509_OBJECT_new"); if (s != NULL) { XMEMSET(s, 0, sizeof(*s)); s->type = STACK_TYPE_X509_OBJ; } return s; } void wolfSSL_sk_X509_OBJECT_free(WOLFSSL_STACK* s) { WOLFSSL_ENTER("wolfSSL_sk_X509_OBJECT_free"); wolfSSL_sk_free(s); } void wolfSSL_sk_X509_OBJECT_pop_free(WOLFSSL_STACK* s, void (*f) (WOLFSSL_X509_OBJECT*)) { WOLFSSL_ENTER("wolfSSL_sk_X509_OBJECT_pop_free"); wolfSSL_sk_pop_free(s, (wolfSSL_sk_freefunc)f); } int wolfSSL_sk_X509_OBJECT_push(WOLFSSL_STACK* sk, WOLFSSL_X509_OBJECT* obj) { WOLFSSL_ENTER("wolfSSL_sk_X509_OBJECT_push"); if (sk == NULL || obj == NULL) { return WOLFSSL_FAILURE; } return wolfSSL_sk_push(sk, obj); } #endif /* OPENSSL_ALL */ #if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL) /* unlike wolfSSL_X509_NAME_dup this does not malloc a duplicate, only deep * copy. "to" is expected to be a fresh blank name, if not pointers could be * lost */ int wolfSSL_X509_NAME_copy(WOLFSSL_X509_NAME* from, WOLFSSL_X509_NAME* to) { int i; WOLFSSL_X509_NAME_ENTRY* ne; WOLFSSL_ENTER("wolfSSL_X509_NAME_copy"); if (from == NULL || to == NULL) { WOLFSSL_MSG("NULL parameter"); return BAD_FUNC_ARG; } #if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || defined(HAVE_LIGHTY) if (from->rawLen > 0) { if (from->rawLen > ASN_NAME_MAX) { WOLFSSL_MSG("Bad raw size"); return BAD_FUNC_ARG; } XMEMCPY(to->raw, from->raw, from->rawLen); to->rawLen = from->rawLen; } #endif if (from->dynamicName) { to->name = (char*)XMALLOC(from->sz, to->heap, DYNAMIC_TYPE_SUBJECT_CN); if (to->name == NULL) return WOLFSSL_FAILURE; to->dynamicName = 1; } XMEMCPY(to->name, from->name, from->sz); to->sz = from->sz; for (i = 0; i < MAX_NAME_ENTRIES; i++) { ne = wolfSSL_X509_NAME_get_entry(from, i); if (ne != NULL) wolfSSL_X509_NAME_add_entry(to, ne, i, 1); } to->entrySz = from->entrySz; return WOLFSSL_SUCCESS; } /* copies over information from "name" to the "cert" subject name * returns WOLFSSL_SUCCESS on success */ int wolfSSL_X509_set_subject_name(WOLFSSL_X509 *cert, WOLFSSL_X509_NAME *name) { WOLFSSL_ENTER("X509_set_subject_name"); if (cert == NULL || name == NULL) return WOLFSSL_FAILURE; FreeX509Name(&cert->subject); InitX509Name(&cert->subject, 0, cert->heap); if (wolfSSL_X509_NAME_copy(name, &cert->subject) != WOLFSSL_SUCCESS) { FreeX509Name(&cert->subject); return WOLFSSL_FAILURE; } cert->subject.x509 = cert; return WOLFSSL_SUCCESS; } /* copies over information from "name" to the "cert" issuer name * returns WOLFSSL_SUCCESS on success */ int wolfSSL_X509_set_issuer_name(WOLFSSL_X509 *cert, WOLFSSL_X509_NAME *name) { WOLFSSL_ENTER("X509_set_issuer_name"); if (cert == NULL || name == NULL) return WOLFSSL_FAILURE; FreeX509Name(&cert->issuer); InitX509Name(&cert->issuer, 0, cert->heap); if (wolfSSL_X509_NAME_copy(name, &cert->issuer) != WOLFSSL_SUCCESS) { FreeX509Name(&cert->issuer); return WOLFSSL_FAILURE; } cert->issuer.x509 = cert; cert->issuerSet = 1; return WOLFSSL_SUCCESS; } int wolfSSL_X509_set_notAfter(WOLFSSL_X509* x509, const WOLFSSL_ASN1_TIME* t) { if (x509 == NULL || t == NULL) { return WOLFSSL_FAILURE; } x509->notAfter.type = t->type; x509->notAfter.length = t->length; XMEMCPY(x509->notAfter.data, t->data, CTC_DATE_SIZE); return WOLFSSL_SUCCESS; } int wolfSSL_X509_set_notBefore(WOLFSSL_X509* x509, const WOLFSSL_ASN1_TIME* t) { if (x509 == NULL || t == NULL) { return WOLFSSL_FAILURE; } x509->notBefore.type = t->type; x509->notBefore.length = t->length; XMEMCPY(x509->notBefore.data, t->data, CTC_DATE_SIZE); return WOLFSSL_SUCCESS; } int wolfSSL_X509_set_serialNumber(WOLFSSL_X509* x509, WOLFSSL_ASN1_INTEGER* s) { WOLFSSL_ENTER("wolfSSL_X509_set_serialNumber"); if (!x509 || !s || s->length >= EXTERNAL_SERIAL_SIZE) return WOLFSSL_FAILURE; /* WOLFSSL_ASN1_INTEGER has type | size | data * Sanity check that the data is actually in ASN format */ if (s->length < 3 && s->data[0] != ASN_INTEGER && s->data[1] != s->length - 2) { return WOLFSSL_FAILURE; } XMEMCPY(x509->serial, s->data + 2, s->length - 2); x509->serialSz = s->length - 2; x509->serial[s->length] = 0; return WOLFSSL_SUCCESS; } int wolfSSL_X509_set_pubkey(WOLFSSL_X509 *cert, WOLFSSL_EVP_PKEY *pkey) { byte* p = NULL; int derSz = 0; WOLFSSL_ENTER("wolfSSL_X509_set_pubkey"); if (cert == NULL || pkey == NULL) return WOLFSSL_FAILURE; /* Regenerate since pkey->pkey.ptr may contain private key */ switch (pkey->type) { #if (defined(WOLFSSL_KEY_GEN) || defined(OPENSSL_EXTRA)) && !defined(NO_RSA) case EVP_PKEY_RSA: { RsaKey* rsa; if (pkey->rsa == NULL || pkey->rsa->internal == NULL) return WOLFSSL_FAILURE; rsa = (RsaKey*)pkey->rsa->internal; derSz = wc_RsaPublicKeyDerSize(rsa, 1); if (derSz <= 0) return WOLFSSL_FAILURE; p = (byte*)XMALLOC(derSz, cert->heap, DYNAMIC_TYPE_PUBLIC_KEY); if (p == NULL) return WOLFSSL_FAILURE; if ((derSz = wc_RsaKeyToPublicDer(rsa, p, derSz)) <= 0) { XFREE(p, cert->heap, DYNAMIC_TYPE_PUBLIC_KEY); return WOLFSSL_FAILURE; } cert->pubKeyOID = RSAk; } break; #endif /* (WOLFSSL_KEY_GEN || OPENSSL_EXTRA) && !NO_RSA */ #if !defined(HAVE_SELFTEST) && (defined(WOLFSSL_KEY_GEN) || \ defined(WOLFSSL_CERT_GEN)) && !defined(NO_DSA) case EVP_PKEY_DSA: { DsaKey* dsa; if (pkey->dsa == NULL || pkey->dsa->internal == NULL) return WOLFSSL_FAILURE; dsa = (DsaKey*)pkey->dsa->internal; /* size of pub, priv, p, q, g + ASN.1 additional information */ derSz = 5 * mp_unsigned_bin_size(&dsa->g) + MAX_ALGO_SZ; p = (byte*)XMALLOC(derSz, cert->heap, DYNAMIC_TYPE_PUBLIC_KEY); if (p == NULL) return WOLFSSL_FAILURE; if ((derSz = wc_DsaKeyToPublicDer(dsa, p, derSz)) <= 0) { XFREE(p, cert->heap, DYNAMIC_TYPE_PUBLIC_KEY); return WOLFSSL_FAILURE; } cert->pubKeyOID = RSAk; } break; #endif /* !HAVE_SELFTEST && (WOLFSSL_KEY_GEN || WOLFSSL_CERT_GEN) && !NO_DSA */ #ifdef HAVE_ECC case EVP_PKEY_EC: { ecc_key* ecc; if (pkey->ecc == NULL || pkey->ecc->internal == NULL) return WOLFSSL_FAILURE; ecc = (ecc_key*)pkey->ecc->internal; derSz = wc_EccPublicKeyDerSize(ecc, 1); if (derSz <= 0) return WOLFSSL_FAILURE; p = (byte*)XMALLOC(derSz, cert->heap, DYNAMIC_TYPE_PUBLIC_KEY); if (p == NULL) return WOLFSSL_FAILURE; if ((derSz = wc_EccPublicKeyToDer(ecc, p, derSz, 1)) <= 0) { XFREE(p, cert->heap, DYNAMIC_TYPE_PUBLIC_KEY); return WOLFSSL_FAILURE; } cert->pubKeyOID = ECDSAk; } break; #endif default: return WOLFSSL_FAILURE; } cert->pubKey.buffer = p; cert->pubKey.length = derSz; return WOLFSSL_SUCCESS; } int wolfSSL_X509_set_version(WOLFSSL_X509* x509, long v) { WOLFSSL_ENTER("wolfSSL_X509_set_version"); if ((x509 == NULL) || (v < 0) || (v >= INT_MAX)) { return WOLFSSL_FAILURE; } x509->version = (int) v + 1; return WOLFSSL_SUCCESS; } #endif /* (OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL) && WOLFSSL_CERT_GEN */ #if defined(OPENSSL_ALL) && \ defined(WOLFSSL_CERT_GEN) && defined(WOLFSSL_CERT_REQ) void wolfSSL_X509V3_set_ctx(WOLFSSL_X509V3_CTX* ctx, WOLFSSL_X509* issuer, WOLFSSL_X509* subject, WOLFSSL_X509* req, WOLFSSL_X509_CRL* crl, int flag) { int ret = WOLFSSL_SUCCESS; WOLFSSL_ENTER("wolfSSL_X509V3_set_ctx"); if (!ctx) return; /* not checking ctx->x509 for null first since app won't have initalized * this X509V3_CTX before this function call */ ctx->x509 = wolfSSL_X509_new(); if (!ctx->x509) return; /* Set parameters in ctx as long as ret == WOLFSSL_SUCCESS */ if (issuer) ret = wolfSSL_X509_set_issuer_name(ctx->x509,&issuer->issuer); if (subject && ret == WOLFSSL_SUCCESS) ret = wolfSSL_X509_set_subject_name(ctx->x509,&subject->subject); if (req && ret == WOLFSSL_SUCCESS) { WOLFSSL_MSG("req not implemented."); } if (crl && ret == WOLFSSL_SUCCESS) { WOLFSSL_MSG("crl not implemented."); } if (flag && ret == WOLFSSL_SUCCESS) { WOLFSSL_MSG("flag not implemented."); } if (!ret) { WOLFSSL_MSG("Error setting WOLFSSL_X509V3_CTX parameters."); } } #ifndef NO_BIO int wolfSSL_i2d_X509_REQ(WOLFSSL_X509* req, unsigned char** out) { int derSz = 0; int ret = WOLFSSL_FAILURE; WOLFSSL_BIO* bio = NULL; WOLFSSL_ENTER("wolfSSL_i2d_X509_REQ"); if (req == NULL || out == NULL) { return BAD_FUNC_ARG; } if (!(bio = wolfSSL_BIO_new(wolfSSL_BIO_s_mem()))) { return WOLFSSL_FAILURE; } if (wolfSSL_i2d_X509_REQ_bio(bio, req) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("wolfSSL_i2d_X509_REQ_bio error"); goto cleanup; } derSz = wolfSSL_BIO_get_len(bio); if (*out == NULL) { *out = (unsigned char*)XMALLOC(derSz, NULL, DYNAMIC_TYPE_OPENSSL); if (!*out) { WOLFSSL_MSG("malloc error"); ret = MEMORY_E; goto cleanup; } } if (wolfSSL_BIO_read(bio, *out, derSz) != derSz) { WOLFSSL_MSG("wolfSSL_BIO_read error"); goto cleanup; } ret = derSz; cleanup: wolfSSL_BIO_free(bio); return ret; } #endif /* !NO_BIO */ WOLFSSL_X509* wolfSSL_X509_REQ_new(void) { return wolfSSL_X509_new(); } void wolfSSL_X509_REQ_free(WOLFSSL_X509* req) { wolfSSL_X509_free(req); } int wolfSSL_X509_REQ_sign(WOLFSSL_X509 *req, WOLFSSL_EVP_PKEY *pkey, const WOLFSSL_EVP_MD *md) { int ret; #ifdef WOLFSSL_SMALL_STACK byte* der = NULL; #else byte der[2048]; #endif int derSz = 2048; if (req == NULL || pkey == NULL || md == NULL) { WOLFSSL_LEAVE("wolfSSL_X509_REQ_sign", BAD_FUNC_ARG); return WOLFSSL_FAILURE; } #ifdef WOLFSSL_SMALL_STACK der = (byte*)XMALLOC(derSz, NULL, DYNAMIC_TYPE_TMP_BUFFER); if (der == NULL) { return WOLFSSL_FAILURE; } #endif /* Create a Cert that has the certificate request fields. */ req->sigOID = wolfSSL_sigTypeFromPKEY((WOLFSSL_EVP_MD*)md, pkey); ret = wolfssl_x509_make_der(req, 1, der, &derSz, 0); if (ret != WOLFSSL_SUCCESS) { #ifdef WOLFSSL_SMALL_STACK XFREE(der, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif WOLFSSL_MSG("Unable to make DER for X509"); WOLFSSL_LEAVE("wolfSSL_X509_REQ_sign", ret); return WOLFSSL_FAILURE; } if (wolfSSL_X509_resign_cert(req, 1, der, 2048, derSz, (WOLFSSL_EVP_MD*)md, pkey) <= 0) { #ifdef WOLFSSL_SMALL_STACK XFREE(der, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif return WOLFSSL_FAILURE; } #ifdef WOLFSSL_SMALL_STACK XFREE(der, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif return WOLFSSL_SUCCESS; } int wolfSSL_X509_REQ_sign_ctx(WOLFSSL_X509 *req, WOLFSSL_EVP_MD_CTX* md_ctx) { if (md_ctx && md_ctx->pctx) return wolfSSL_X509_REQ_sign(req, md_ctx->pctx->pkey, wolfSSL_EVP_MD_CTX_md(md_ctx)); else return WOLFSSL_FAILURE; } static int regenX509REQDerBuffer(WOLFSSL_X509* x509) { int derSz = X509_BUFFER_SZ; int ret = WOLFSSL_FAILURE; #ifdef WOLFSSL_SMALL_STACK byte* der; der = (byte*)XMALLOC(derSz, NULL, DYNAMIC_TYPE_TMP_BUFFER); if (!der) { WOLFSSL_MSG("malloc failed"); return WOLFSSL_FAILURE; } #else byte der[X509_BUFFER_SZ]; #endif if (wolfssl_x509_make_der(x509, 1, der, &derSz, 0) == WOLFSSL_SUCCESS) { FreeDer(&x509->derCert); if (AllocDer(&x509->derCert, derSz, CERT_TYPE, x509->heap) == 0) { XMEMCPY(x509->derCert->buffer, der, derSz); ret = WOLFSSL_SUCCESS; } else { WOLFSSL_MSG("Failed to allocate DER buffer for X509"); } } else { WOLFSSL_MSG("Unable to make DER for X509 REQ"); } #ifdef WOLFSSL_SMALL_STACK XFREE(der, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif return ret; } int wolfSSL_X509_REQ_add_extensions(WOLFSSL_X509* req, WOLF_STACK_OF(WOLFSSL_X509_EXTENSION)* ext_sk) { if (!req || !ext_sk) { WOLFSSL_MSG("Bad parameter"); return WOLFSSL_FAILURE; } while (ext_sk) { WOLFSSL_X509_EXTENSION* ext = ext_sk->data.ext; if (wolfSSL_X509_add_ext(req, ext, -1) != WOLFSSL_SUCCESS) { WOLFSSL_MSG("wolfSSL_X509_add_ext error"); return WOLFSSL_FAILURE; } ext_sk = ext_sk->next; } return regenX509REQDerBuffer(req); } int wolfSSL_X509_REQ_add1_attr_by_txt(WOLFSSL_X509 *req, const char *attrname, int type, const unsigned char *bytes, int len) { WOLFSSL_ENTER("wolfSSL_X509_REQ_add1_attr_by_txt"); #ifdef HAVE_LIBEST if (!req || !attrname || !bytes || type != MBSTRING_ASC) { WOLFSSL_MSG("Bad parameter"); return WOLFSSL_FAILURE; } if (len < 0) { len = (int)XSTRLEN((char*)bytes); } /* For now just pretend that we support this for libest testing */ if (len == XSTR_SIZEOF("1.3.6.1.1.1.1.22") && XMEMCMP("1.3.6.1.1.1.1.22", bytes, len) == 0) { /* MAC Address */ } else if (len == XSTR_SIZEOF("1.2.840.10045.2.1") && XMEMCMP("1.2.840.10045.2.1", bytes, len) == 0) { /* ecPublicKey */ } else if (len == XSTR_SIZEOF("1.2.840.10045.4.3.3") && XMEMCMP("1.2.840.10045.4.3.3", bytes, len) == 0) { /* ecdsa-with-SHA384 */ } else { return WOLFSSL_FAILURE; } /* return error if not built for libest */ return WOLFSSL_SUCCESS; #else (void)req; (void)attrname; (void)type; (void)bytes; (void)len; return WOLFSSL_FAILURE; #endif } static int wolfSSL_X509_ATTRIBUTE_set(WOLFSSL_X509_ATTRIBUTE* attr, const char* data, int dataSz, int type, int nid) { if (attr) { attr->value->value.asn1_string = wolfSSL_ASN1_STRING_new(); if (wolfSSL_ASN1_STRING_set(attr->value->value.asn1_string, data, dataSz) != WOLFSSL_SUCCESS) { wolfSSL_ASN1_STRING_free(attr->value->value.asn1_string); WOLFSSL_MSG("wolfSSL_ASN1_STRING_set error"); return WOLFSSL_FAILURE; } attr->value->type = type; attr->object->nid = nid; } else { WOLFSSL_MSG("wolfSSL_X509_ATTRIBUTE_new error"); return WOLFSSL_FAILURE; } return WOLFSSL_SUCCESS; } int wolfSSL_X509_REQ_add1_attr_by_NID(WOLFSSL_X509 *req, int nid, int type, const unsigned char *bytes, int len) { int ret; WOLFSSL_X509_ATTRIBUTE* attr; WOLFSSL_ENTER("wolfSSL_X509_REQ_add1_attr_by_NID"); if (!req || !bytes || type != MBSTRING_ASC) { WOLFSSL_MSG("Bad parameter"); return WOLFSSL_FAILURE; } switch (nid) { case NID_pkcs9_challengePassword: if (len < 0) len = (int)XSTRLEN((char*)bytes); if (len < CTC_NAME_SIZE) { XMEMCPY(req->challengePw, bytes, len); req->challengePw[len] = '\0'; } else { WOLFSSL_MSG("Challenge password too long"); WOLFSSL_ERROR_VERBOSE(BUFFER_E); return WOLFSSL_FAILURE; } break; case NID_serialNumber: if (len < 0) len = (int)XSTRLEN((char*)bytes); if (len + 1 > EXTERNAL_SERIAL_SIZE) { WOLFSSL_MSG("SerialNumber too long"); WOLFSSL_ERROR_VERBOSE(BUFFER_E); return WOLFSSL_FAILURE; } XMEMCPY(req->serial, bytes, len); req->serialSz = len; break; case NID_pkcs9_unstructuredName: case NID_pkcs9_contentType: case NID_surname: case NID_initials: case NID_givenName: case NID_dnQualifier: break; default: WOLFSSL_MSG("Unsupported attribute"); return WOLFSSL_FAILURE; } attr = wolfSSL_X509_ATTRIBUTE_new(); ret = wolfSSL_X509_ATTRIBUTE_set(attr, (const char*)bytes, len, V_ASN1_PRINTABLESTRING, nid); if (ret != WOLFSSL_SUCCESS) { wolfSSL_X509_ATTRIBUTE_free(attr); } else { if (req->reqAttributes == NULL) { req->reqAttributes = wolfSSL_sk_new_node(req->heap); req->reqAttributes->type = STACK_TYPE_X509_REQ_ATTR; } ret = wolfSSL_sk_push(req->reqAttributes, attr); } return ret; } WOLFSSL_X509 *wolfSSL_X509_to_X509_REQ(WOLFSSL_X509 *x, WOLFSSL_EVP_PKEY *pkey, const WOLFSSL_EVP_MD *md) { WOLFSSL_ENTER("wolfSSL_X509_to_X509_REQ"); (void)pkey; (void)md; return wolfSSL_X509_dup(x); } int wolfSSL_X509_REQ_set_subject_name(WOLFSSL_X509 *req, WOLFSSL_X509_NAME *name) { return wolfSSL_X509_set_subject_name(req, name); } int wolfSSL_X509_REQ_set_pubkey(WOLFSSL_X509 *req, WOLFSSL_EVP_PKEY *pkey) { return wolfSSL_X509_set_pubkey(req, pkey); } #endif /* OPENSSL_ALL && WOLFSSL_CERT_GEN && WOLFSSL_CERT_REQ */ #if (defined(OPENSSL_ALL) || defined(OPENSSL_EXTRA)) && \ (defined(WOLFSSL_CERT_GEN) || defined(WOLFSSL_CERT_REQ)) WOLFSSL_ASN1_TYPE *wolfSSL_X509_ATTRIBUTE_get0_type( WOLFSSL_X509_ATTRIBUTE *attr, int idx) { WOLFSSL_ENTER("wolfSSL_X509_ATTRIBUTE_get0_type"); if (!attr || idx != 0) { WOLFSSL_MSG("Bad parameter"); return NULL; } return attr->value; } /** * @param req X509_REQ containing attribute * @return the number of attributes */ int wolfSSL_X509_REQ_get_attr_count(const WOLFSSL_X509 *req) { if (req == NULL || req->reqAttributes == NULL) return 0; return wolfSSL_sk_num(req->reqAttributes); } /** * @param req X509_REQ containing attribute * @param loc NID of the attribute to return */ WOLFSSL_X509_ATTRIBUTE *wolfSSL_X509_REQ_get_attr( const WOLFSSL_X509 *req, int loc) { WOLFSSL_ENTER("wolfSSL_X509_REQ_get_attr"); if (!req || req->reqAttributes == NULL) { WOLFSSL_MSG("Bad parameter"); return NULL; } return (WOLFSSL_X509_ATTRIBUTE*)wolfSSL_sk_value(req->reqAttributes, loc); } /* Return NID as the attr index */ int wolfSSL_X509_REQ_get_attr_by_NID(const WOLFSSL_X509 *req, int nid, int lastpos) { WOLFSSL_STACK* sk; int idx; WOLFSSL_ENTER("wolfSSL_X509_REQ_get_attr_by_NID"); if (!req) { WOLFSSL_MSG("Bad parameter"); return WOLFSSL_FATAL_ERROR; } /* search through stack for first matching nid */ idx = lastpos + 1; do { sk = wolfSSL_sk_get_node(req->reqAttributes, idx); if (sk != NULL) { WOLFSSL_X509_ATTRIBUTE* attr; attr = (WOLFSSL_X509_ATTRIBUTE*)sk->data.generic; if (nid == attr->object->nid) { /* found a match */ break; } } idx++; } while (sk != NULL); /* no matches found */ if (sk == NULL) { idx = WOLFSSL_FATAL_ERROR; } return idx; } WOLFSSL_X509_ATTRIBUTE* wolfSSL_X509_ATTRIBUTE_new(void) { WOLFSSL_X509_ATTRIBUTE* ret; WOLFSSL_ENTER("wolfSSL_X509_ATTRIBUTE_new"); ret = (WOLFSSL_X509_ATTRIBUTE*)XMALLOC(sizeof(WOLFSSL_X509_ATTRIBUTE), NULL, DYNAMIC_TYPE_OPENSSL); if (!ret) { WOLFSSL_MSG("malloc error"); return NULL; } XMEMSET(ret, 0, sizeof(WOLFSSL_X509_ATTRIBUTE)); ret->object = wolfSSL_ASN1_OBJECT_new(); ret->value = wolfSSL_ASN1_TYPE_new(); /* Don't allocate ret->set since WOLFSSL_ASN1_TYPE * is not supported as a stack type */ if (!ret->object || !ret->value) { WOLFSSL_MSG("wolfSSL_ASN1_OBJECT_new or wolfSSL_ASN1_TYPE_new error"); wolfSSL_X509_ATTRIBUTE_free(ret); return NULL; } return ret; } void wolfSSL_X509_ATTRIBUTE_free(WOLFSSL_X509_ATTRIBUTE* attr) { WOLFSSL_ENTER("wolfSSL_X509_ATTRIBUTE_free"); if (attr) { if (attr->object) { wolfSSL_ASN1_OBJECT_free(attr->object); } if (attr->value) { wolfSSL_ASN1_TYPE_free(attr->value); } if (attr->set) { wolfSSL_sk_pop_free(attr->set, NULL); } XFREE(attr, NULL, DYNAMIC_TYPE_OPENSSL); } } #endif #endif /* !NO_CERT */ #endif /* !WOLFCRYPT_ONLY */ #endif /* WOLFSSL_X509_INCLUDED */