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- /* asn1_gen.c */
- /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
- * project 2002.
- */
- /* ====================================================================
- * Copyright (c) 2002 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
- #include "cryptlib.h"
- #include <openssl/asn1.h>
- #include <openssl/x509v3.h>
- #define ASN1_GEN_FLAG 0x10000
- #define ASN1_GEN_FLAG_IMP (ASN1_GEN_FLAG|1)
- #define ASN1_GEN_FLAG_EXP (ASN1_GEN_FLAG|2)
- #define ASN1_GEN_FLAG_TAG (ASN1_GEN_FLAG|3)
- #define ASN1_GEN_FLAG_BITWRAP (ASN1_GEN_FLAG|4)
- #define ASN1_GEN_FLAG_OCTWRAP (ASN1_GEN_FLAG|5)
- #define ASN1_GEN_FLAG_SEQWRAP (ASN1_GEN_FLAG|6)
- #define ASN1_GEN_FLAG_SETWRAP (ASN1_GEN_FLAG|7)
- #define ASN1_GEN_FLAG_FORMAT (ASN1_GEN_FLAG|8)
- #define ASN1_GEN_STR(str,val) {str, sizeof(str) - 1, val}
- #define ASN1_FLAG_EXP_MAX 20
- /* Input formats */
- /* ASCII: default */
- #define ASN1_GEN_FORMAT_ASCII 1
- /* UTF8 */
- #define ASN1_GEN_FORMAT_UTF8 2
- /* Hex */
- #define ASN1_GEN_FORMAT_HEX 3
- /* List of bits */
- #define ASN1_GEN_FORMAT_BITLIST 4
- struct tag_name_st
- {
- const char *strnam;
- int len;
- int tag;
- };
- typedef struct
- {
- int exp_tag;
- int exp_class;
- int exp_constructed;
- int exp_pad;
- long exp_len;
- } tag_exp_type;
- typedef struct
- {
- int imp_tag;
- int imp_class;
- int utype;
- int format;
- const char *str;
- tag_exp_type exp_list[ASN1_FLAG_EXP_MAX];
- int exp_count;
- } tag_exp_arg;
- static int bitstr_cb(const char *elem, int len, void *bitstr);
- static int asn1_cb(const char *elem, int len, void *bitstr);
- static int append_exp(tag_exp_arg *arg, int exp_tag, int exp_class, int exp_constructed, int exp_pad, int imp_ok);
- static int parse_tagging(const char *vstart, int vlen, int *ptag, int *pclass);
- static ASN1_TYPE *asn1_multi(int utype, const char *section, X509V3_CTX *cnf);
- static ASN1_TYPE *asn1_str2type(const char *str, int format, int utype);
- static int asn1_str2tag(const char *tagstr, int len);
- ASN1_TYPE *ASN1_generate_nconf(char *str, CONF *nconf)
- {
- X509V3_CTX cnf;
- if (!nconf)
- return ASN1_generate_v3(str, NULL);
- X509V3_set_nconf(&cnf, nconf);
- return ASN1_generate_v3(str, &cnf);
- }
- ASN1_TYPE *ASN1_generate_v3(char *str, X509V3_CTX *cnf)
- {
- ASN1_TYPE *ret;
- tag_exp_arg asn1_tags;
- tag_exp_type *etmp;
- int i, len;
- unsigned char *orig_der = NULL, *new_der = NULL;
- const unsigned char *cpy_start;
- unsigned char *p;
- const unsigned char *cp;
- int cpy_len;
- long hdr_len;
- int hdr_constructed = 0, hdr_tag, hdr_class;
- int r;
- asn1_tags.imp_tag = -1;
- asn1_tags.imp_class = -1;
- asn1_tags.format = ASN1_GEN_FORMAT_ASCII;
- asn1_tags.exp_count = 0;
- if (CONF_parse_list(str, ',', 1, asn1_cb, &asn1_tags) != 0)
- return NULL;
- if ((asn1_tags.utype == V_ASN1_SEQUENCE) || (asn1_tags.utype == V_ASN1_SET))
- {
- if (!cnf)
- {
- ASN1err(ASN1_F_ASN1_GENERATE_V3, ASN1_R_SEQUENCE_OR_SET_NEEDS_CONFIG);
- return NULL;
- }
- ret = asn1_multi(asn1_tags.utype, asn1_tags.str, cnf);
- }
- else
- ret = asn1_str2type(asn1_tags.str, asn1_tags.format, asn1_tags.utype);
- if (!ret)
- return NULL;
- /* If no tagging return base type */
- if ((asn1_tags.imp_tag == -1) && (asn1_tags.exp_count == 0))
- return ret;
- /* Generate the encoding */
- cpy_len = i2d_ASN1_TYPE(ret, &orig_der);
- ASN1_TYPE_free(ret);
- ret = NULL;
- /* Set point to start copying for modified encoding */
- cpy_start = orig_der;
- /* Do we need IMPLICIT tagging? */
- if (asn1_tags.imp_tag != -1)
- {
- /* If IMPLICIT we will replace the underlying tag */
- /* Skip existing tag+len */
- r = ASN1_get_object(&cpy_start, &hdr_len, &hdr_tag, &hdr_class, cpy_len);
- if (r & 0x80)
- goto err;
- /* Update copy length */
- cpy_len -= cpy_start - orig_der;
- /* For IMPLICIT tagging the length should match the
- * original length and constructed flag should be
- * consistent.
- */
- if (r & 0x1)
- {
- /* Indefinite length constructed */
- hdr_constructed = 2;
- hdr_len = 0;
- }
- else
- /* Just retain constructed flag */
- hdr_constructed = r & V_ASN1_CONSTRUCTED;
- /* Work out new length with IMPLICIT tag: ignore constructed
- * because it will mess up if indefinite length
- */
- len = ASN1_object_size(0, hdr_len, asn1_tags.imp_tag);
- }
- else
- len = cpy_len;
- /* Work out length in any EXPLICIT, starting from end */
- for(i = 0, etmp = asn1_tags.exp_list + asn1_tags.exp_count - 1; i < asn1_tags.exp_count; i++, etmp--)
- {
- /* Content length: number of content octets + any padding */
- len += etmp->exp_pad;
- etmp->exp_len = len;
- /* Total object length: length including new header */
- len = ASN1_object_size(0, len, etmp->exp_tag);
- }
- /* Allocate buffer for new encoding */
- new_der = OPENSSL_malloc(len);
- /* Generate tagged encoding */
- p = new_der;
- /* Output explicit tags first */
- for (i = 0, etmp = asn1_tags.exp_list; i < asn1_tags.exp_count; i++, etmp++)
- {
- ASN1_put_object(&p, etmp->exp_constructed, etmp->exp_len,
- etmp->exp_tag, etmp->exp_class);
- if (etmp->exp_pad)
- *p++ = 0;
- }
- /* If IMPLICIT, output tag */
- if (asn1_tags.imp_tag != -1)
- ASN1_put_object(&p, hdr_constructed, hdr_len,
- asn1_tags.imp_tag, asn1_tags.imp_class);
- /* Copy across original encoding */
- memcpy(p, cpy_start, cpy_len);
- cp = new_der;
- /* Obtain new ASN1_TYPE structure */
- ret = d2i_ASN1_TYPE(NULL, &cp, len);
- err:
- if (orig_der)
- OPENSSL_free(orig_der);
- if (new_der)
- OPENSSL_free(new_der);
- return ret;
- }
- static int asn1_cb(const char *elem, int len, void *bitstr)
- {
- tag_exp_arg *arg = bitstr;
- int i;
- int utype;
- int vlen = 0;
- const char *p, *vstart = NULL;
- int tmp_tag, tmp_class;
- for(i = 0, p = elem; i < len; p++, i++)
- {
- /* Look for the ':' in name value pairs */
- if (*p == ':')
- {
- vstart = p + 1;
- vlen = len - (vstart - elem);
- len = p - elem;
- break;
- }
- }
- utype = asn1_str2tag(elem, len);
- if (utype == -1)
- {
- ASN1err(ASN1_F_ASN1_CB, ASN1_R_UNKNOWN_TAG);
- ERR_add_error_data(2, "tag=", elem);
- return -1;
- }
- /* If this is not a modifier mark end of string and exit */
- if (!(utype & ASN1_GEN_FLAG))
- {
- arg->utype = utype;
- arg->str = vstart;
- /* If no value and not end of string, error */
- if (!vstart && elem[len])
- {
- ASN1err(ASN1_F_ASN1_CB, ASN1_R_MISSING_VALUE);
- return -1;
- }
- return 0;
- }
- switch(utype)
- {
- case ASN1_GEN_FLAG_IMP:
- /* Check for illegal multiple IMPLICIT tagging */
- if (arg->imp_tag != -1)
- {
- ASN1err(ASN1_F_ASN1_CB, ASN1_R_ILLEGAL_NESTED_TAGGING);
- return -1;
- }
- if (!parse_tagging(vstart, vlen, &arg->imp_tag, &arg->imp_class))
- return -1;
- break;
- case ASN1_GEN_FLAG_EXP:
- if (!parse_tagging(vstart, vlen, &tmp_tag, &tmp_class))
- return -1;
- if (!append_exp(arg, tmp_tag, tmp_class, 1, 0, 0))
- return -1;
- break;
- case ASN1_GEN_FLAG_SEQWRAP:
- if (!append_exp(arg, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, 1, 0, 1))
- return -1;
- break;
- case ASN1_GEN_FLAG_SETWRAP:
- if (!append_exp(arg, V_ASN1_SET, V_ASN1_UNIVERSAL, 1, 0, 1))
- return -1;
- break;
- case ASN1_GEN_FLAG_BITWRAP:
- if (!append_exp(arg, V_ASN1_BIT_STRING, V_ASN1_UNIVERSAL, 0, 1, 1))
- return -1;
- break;
- case ASN1_GEN_FLAG_OCTWRAP:
- if (!append_exp(arg, V_ASN1_OCTET_STRING, V_ASN1_UNIVERSAL, 0, 0, 1))
- return -1;
- break;
- case ASN1_GEN_FLAG_FORMAT:
- if (!strncmp(vstart, "ASCII", 5))
- arg->format = ASN1_GEN_FORMAT_ASCII;
- else if (!strncmp(vstart, "UTF8", 4))
- arg->format = ASN1_GEN_FORMAT_UTF8;
- else if (!strncmp(vstart, "HEX", 3))
- arg->format = ASN1_GEN_FORMAT_HEX;
- else if (!strncmp(vstart, "BITLIST", 3))
- arg->format = ASN1_GEN_FORMAT_BITLIST;
- else
- {
- ASN1err(ASN1_F_ASN1_CB, ASN1_R_UNKOWN_FORMAT);
- return -1;
- }
- break;
- }
- return 1;
- }
- static int parse_tagging(const char *vstart, int vlen, int *ptag, int *pclass)
- {
- char erch[2];
- long tag_num;
- char *eptr;
- if (!vstart)
- return 0;
- tag_num = strtoul(vstart, &eptr, 10);
- /* Check we haven't gone past max length: should be impossible */
- if (eptr && *eptr && (eptr > vstart + vlen))
- return 0;
- if (tag_num < 0)
- {
- ASN1err(ASN1_F_PARSE_TAGGING, ASN1_R_INVALID_NUMBER);
- return 0;
- }
- *ptag = tag_num;
- /* If we have non numeric characters, parse them */
- if (eptr)
- vlen -= eptr - vstart;
- else
- vlen = 0;
- if (vlen)
- {
- switch (*eptr)
- {
- case 'U':
- *pclass = V_ASN1_UNIVERSAL;
- break;
- case 'A':
- *pclass = V_ASN1_APPLICATION;
- break;
- case 'P':
- *pclass = V_ASN1_PRIVATE;
- break;
- case 'C':
- *pclass = V_ASN1_CONTEXT_SPECIFIC;
- break;
- default:
- erch[0] = *eptr;
- erch[1] = 0;
- ASN1err(ASN1_F_PARSE_TAGGING, ASN1_R_INVALID_MODIFIER);
- ERR_add_error_data(2, "Char=", erch);
- return 0;
- break;
- }
- }
- else
- *pclass = V_ASN1_CONTEXT_SPECIFIC;
- return 1;
- }
- /* Handle multiple types: SET and SEQUENCE */
- static ASN1_TYPE *asn1_multi(int utype, const char *section, X509V3_CTX *cnf)
- {
- ASN1_TYPE *ret = NULL;
- STACK_OF(ASN1_TYPE) *sk = NULL;
- STACK_OF(CONF_VALUE) *sect = NULL;
- unsigned char *der = NULL, *p;
- int derlen;
- int i, is_set;
- sk = sk_ASN1_TYPE_new_null();
- if (section)
- {
- if (!cnf)
- goto bad;
- sect = X509V3_get_section(cnf, (char *)section);
- if (!sect)
- goto bad;
- for (i = 0; i < sk_CONF_VALUE_num(sect); i++)
- {
- ASN1_TYPE *typ = ASN1_generate_v3(sk_CONF_VALUE_value(sect, i)->value, cnf);
- if (!typ)
- goto bad;
- sk_ASN1_TYPE_push(sk, typ);
- }
- }
- /* Now we has a STACK of the components, convert to the correct form */
- if (utype == V_ASN1_SET)
- is_set = 1;
- else
- is_set = 0;
- derlen = i2d_ASN1_SET_OF_ASN1_TYPE(sk, NULL, i2d_ASN1_TYPE, utype,
- V_ASN1_UNIVERSAL, is_set);
- der = OPENSSL_malloc(derlen);
- p = der;
- i2d_ASN1_SET_OF_ASN1_TYPE(sk, &p, i2d_ASN1_TYPE, utype,
- V_ASN1_UNIVERSAL, is_set);
- if (!(ret = ASN1_TYPE_new()))
- goto bad;
- if (!(ret->value.asn1_string = ASN1_STRING_type_new(utype)))
- goto bad;
- ret->type = utype;
- ret->value.asn1_string->data = der;
- ret->value.asn1_string->length = derlen;
- der = NULL;
- bad:
- if (der)
- OPENSSL_free(der);
- if (sk)
- sk_ASN1_TYPE_pop_free(sk, ASN1_TYPE_free);
- if (sect)
- X509V3_section_free(cnf, sect);
- return ret;
- }
- static int append_exp(tag_exp_arg *arg, int exp_tag, int exp_class, int exp_constructed, int exp_pad, int imp_ok)
- {
- tag_exp_type *exp_tmp;
- /* Can only have IMPLICIT if permitted */
- if ((arg->imp_tag != -1) && !imp_ok)
- {
- ASN1err(ASN1_F_APPEND_EXP, ASN1_R_ILLEGAL_IMPLICIT_TAG);
- return 0;
- }
- if (arg->exp_count == ASN1_FLAG_EXP_MAX)
- {
- ASN1err(ASN1_F_APPEND_EXP, ASN1_R_DEPTH_EXCEEDED);
- return 0;
- }
- exp_tmp = &arg->exp_list[arg->exp_count++];
- /* If IMPLICIT set tag to implicit value then
- * reset implicit tag since it has been used.
- */
- if (arg->imp_tag != -1)
- {
- exp_tmp->exp_tag = arg->imp_tag;
- exp_tmp->exp_class = arg->imp_class;
- arg->imp_tag = -1;
- arg->imp_class = -1;
- }
- else
- {
- exp_tmp->exp_tag = exp_tag;
- exp_tmp->exp_class = exp_class;
- }
- exp_tmp->exp_constructed = exp_constructed;
- exp_tmp->exp_pad = exp_pad;
- return 1;
- }
- static int asn1_str2tag(const char *tagstr, int len)
- {
- unsigned int i;
- static struct tag_name_st *tntmp, tnst [] = {
- ASN1_GEN_STR("BOOL", V_ASN1_BOOLEAN),
- ASN1_GEN_STR("BOOLEAN", V_ASN1_BOOLEAN),
- ASN1_GEN_STR("NULL", V_ASN1_NULL),
- ASN1_GEN_STR("INT", V_ASN1_INTEGER),
- ASN1_GEN_STR("INTEGER", V_ASN1_INTEGER),
- ASN1_GEN_STR("ENUM", V_ASN1_ENUMERATED),
- ASN1_GEN_STR("ENUMERATED", V_ASN1_ENUMERATED),
- ASN1_GEN_STR("OID", V_ASN1_OBJECT),
- ASN1_GEN_STR("OBJECT", V_ASN1_OBJECT),
- ASN1_GEN_STR("UTCTIME", V_ASN1_UTCTIME),
- ASN1_GEN_STR("UTC", V_ASN1_UTCTIME),
- ASN1_GEN_STR("GENERALIZEDTIME", V_ASN1_GENERALIZEDTIME),
- ASN1_GEN_STR("GENTIME", V_ASN1_GENERALIZEDTIME),
- ASN1_GEN_STR("OCT", V_ASN1_OCTET_STRING),
- ASN1_GEN_STR("OCTETSTRING", V_ASN1_OCTET_STRING),
- ASN1_GEN_STR("BITSTR", V_ASN1_BIT_STRING),
- ASN1_GEN_STR("BITSTRING", V_ASN1_BIT_STRING),
- ASN1_GEN_STR("UNIVERSALSTRING", V_ASN1_UNIVERSALSTRING),
- ASN1_GEN_STR("UNIV", V_ASN1_UNIVERSALSTRING),
- ASN1_GEN_STR("IA5", V_ASN1_IA5STRING),
- ASN1_GEN_STR("IA5STRING", V_ASN1_IA5STRING),
- ASN1_GEN_STR("UTF8", V_ASN1_UTF8STRING),
- ASN1_GEN_STR("UTF8String", V_ASN1_UTF8STRING),
- ASN1_GEN_STR("BMP", V_ASN1_BMPSTRING),
- ASN1_GEN_STR("BMPSTRING", V_ASN1_BMPSTRING),
- ASN1_GEN_STR("VISIBLESTRING", V_ASN1_VISIBLESTRING),
- ASN1_GEN_STR("VISIBLE", V_ASN1_VISIBLESTRING),
- ASN1_GEN_STR("PRINTABLESTRING", V_ASN1_PRINTABLESTRING),
- ASN1_GEN_STR("PRINTABLE", V_ASN1_PRINTABLESTRING),
- ASN1_GEN_STR("T61", V_ASN1_T61STRING),
- ASN1_GEN_STR("T61STRING", V_ASN1_T61STRING),
- ASN1_GEN_STR("TELETEXSTRING", V_ASN1_T61STRING),
- ASN1_GEN_STR("GeneralString", V_ASN1_GENERALSTRING),
- ASN1_GEN_STR("GENSTR", V_ASN1_GENERALSTRING),
- ASN1_GEN_STR("NUMERIC", V_ASN1_NUMERICSTRING),
- ASN1_GEN_STR("NUMERICSTRING", V_ASN1_NUMERICSTRING),
- /* Special cases */
- ASN1_GEN_STR("SEQUENCE", V_ASN1_SEQUENCE),
- ASN1_GEN_STR("SEQ", V_ASN1_SEQUENCE),
- ASN1_GEN_STR("SET", V_ASN1_SET),
- /* type modifiers */
- /* Explicit tag */
- ASN1_GEN_STR("EXP", ASN1_GEN_FLAG_EXP),
- ASN1_GEN_STR("EXPLICIT", ASN1_GEN_FLAG_EXP),
- /* Implicit tag */
- ASN1_GEN_STR("IMP", ASN1_GEN_FLAG_IMP),
- ASN1_GEN_STR("IMPLICIT", ASN1_GEN_FLAG_IMP),
- /* OCTET STRING wrapper */
- ASN1_GEN_STR("OCTWRAP", ASN1_GEN_FLAG_OCTWRAP),
- /* SEQUENCE wrapper */
- ASN1_GEN_STR("SEQWRAP", ASN1_GEN_FLAG_SEQWRAP),
- /* SET wrapper */
- ASN1_GEN_STR("SETWRAP", ASN1_GEN_FLAG_SETWRAP),
- /* BIT STRING wrapper */
- ASN1_GEN_STR("BITWRAP", ASN1_GEN_FLAG_BITWRAP),
- ASN1_GEN_STR("FORM", ASN1_GEN_FLAG_FORMAT),
- ASN1_GEN_STR("FORMAT", ASN1_GEN_FLAG_FORMAT),
- };
- if (len == -1)
- len = strlen(tagstr);
-
- tntmp = tnst;
- for (i = 0; i < sizeof(tnst) / sizeof(struct tag_name_st); i++, tntmp++)
- {
- if ((len == tntmp->len) && !strncmp(tntmp->strnam, tagstr, len))
- return tntmp->tag;
- }
-
- return -1;
- }
- static ASN1_TYPE *asn1_str2type(const char *str, int format, int utype)
- {
- ASN1_TYPE *atmp = NULL;
- CONF_VALUE vtmp;
- unsigned char *rdata;
- long rdlen;
- int no_unused = 1;
- if (!(atmp = ASN1_TYPE_new()))
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
- return NULL;
- }
- if (!str)
- str = "";
- switch(utype)
- {
- case V_ASN1_NULL:
- if (str && *str)
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_NULL_VALUE);
- goto bad_form;
- }
- break;
-
- case V_ASN1_BOOLEAN:
- if (format != ASN1_GEN_FORMAT_ASCII)
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_NOT_ASCII_FORMAT);
- goto bad_form;
- }
- vtmp.name = NULL;
- vtmp.section = NULL;
- vtmp.value = (char *)str;
- if (!X509V3_get_value_bool(&vtmp, &atmp->value.boolean))
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_BOOLEAN);
- goto bad_str;
- }
- break;
- case V_ASN1_INTEGER:
- case V_ASN1_ENUMERATED:
- if (format != ASN1_GEN_FORMAT_ASCII)
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_INTEGER_NOT_ASCII_FORMAT);
- goto bad_form;
- }
- if (!(atmp->value.integer = s2i_ASN1_INTEGER(NULL, (char *)str)))
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_INTEGER);
- goto bad_str;
- }
- break;
- case V_ASN1_OBJECT:
- if (format != ASN1_GEN_FORMAT_ASCII)
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_OBJECT_NOT_ASCII_FORMAT);
- goto bad_form;
- }
- if (!(atmp->value.object = OBJ_txt2obj(str, 0)))
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_OBJECT);
- goto bad_str;
- }
- break;
- case V_ASN1_UTCTIME:
- case V_ASN1_GENERALIZEDTIME:
- if (format != ASN1_GEN_FORMAT_ASCII)
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_TIME_NOT_ASCII_FORMAT);
- goto bad_form;
- }
- if (!(atmp->value.asn1_string = ASN1_STRING_new()))
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
- goto bad_str;
- }
- if (!ASN1_STRING_set(atmp->value.asn1_string, str, -1))
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
- goto bad_str;
- }
- atmp->value.asn1_string->type = utype;
- if (!ASN1_TIME_check(atmp->value.asn1_string))
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_TIME_VALUE);
- goto bad_str;
- }
- break;
- case V_ASN1_BMPSTRING:
- case V_ASN1_PRINTABLESTRING:
- case V_ASN1_IA5STRING:
- case V_ASN1_T61STRING:
- case V_ASN1_UTF8STRING:
- case V_ASN1_VISIBLESTRING:
- case V_ASN1_UNIVERSALSTRING:
- case V_ASN1_GENERALSTRING:
- case V_ASN1_NUMERICSTRING:
- if (format == ASN1_GEN_FORMAT_ASCII)
- format = MBSTRING_ASC;
- else if (format == ASN1_GEN_FORMAT_UTF8)
- format = MBSTRING_UTF8;
- else
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_FORMAT);
- goto bad_form;
- }
- if (ASN1_mbstring_copy(&atmp->value.asn1_string, (unsigned char *)str,
- -1, format, ASN1_tag2bit(utype)) <= 0)
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
- goto bad_str;
- }
-
- break;
- case V_ASN1_BIT_STRING:
- case V_ASN1_OCTET_STRING:
- if (!(atmp->value.asn1_string = ASN1_STRING_new()))
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE);
- goto bad_form;
- }
- if (format == ASN1_GEN_FORMAT_HEX)
- {
- if (!(rdata = string_to_hex((char *)str, &rdlen)))
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_HEX);
- goto bad_str;
- }
- atmp->value.asn1_string->data = rdata;
- atmp->value.asn1_string->length = rdlen;
- atmp->value.asn1_string->type = utype;
- }
- else if (format == ASN1_GEN_FORMAT_ASCII)
- ASN1_STRING_set(atmp->value.asn1_string, str, -1);
- else if ((format == ASN1_GEN_FORMAT_BITLIST) && (utype == V_ASN1_BIT_STRING))
- {
- if (!CONF_parse_list(str, ',', 1, bitstr_cb, atmp->value.bit_string))
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_LIST_ERROR);
- goto bad_str;
- }
- no_unused = 0;
-
- }
- else
- {
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_BITSTRING_FORMAT);
- goto bad_form;
- }
- if ((utype == V_ASN1_BIT_STRING) && no_unused)
- {
- atmp->value.asn1_string->flags
- &= ~(ASN1_STRING_FLAG_BITS_LEFT|0x07);
- atmp->value.asn1_string->flags
- |= ASN1_STRING_FLAG_BITS_LEFT;
- }
- break;
- default:
- ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_UNSUPPORTED_TYPE);
- goto bad_str;
- break;
- }
- atmp->type = utype;
- return atmp;
- bad_str:
- ERR_add_error_data(2, "string=", str);
- bad_form:
- ASN1_TYPE_free(atmp);
- return NULL;
- }
- static int bitstr_cb(const char *elem, int len, void *bitstr)
- {
- long bitnum;
- char *eptr;
- if (!elem)
- return 0;
- bitnum = strtoul(elem, &eptr, 10);
- if (eptr && *eptr && (eptr != elem + len))
- return 0;
- if (bitnum < 0)
- {
- ASN1err(ASN1_F_BITSTR_CB, ASN1_R_INVALID_NUMBER);
- return 0;
- }
- if (!ASN1_BIT_STRING_set_bit(bitstr, bitnum, 1))
- {
- ASN1err(ASN1_F_BITSTR_CB, ERR_R_MALLOC_FAILURE);
- return 0;
- }
- return 1;
- }
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