/* ssl/ssl_locl.h */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * 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 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 acknowledgement: * "This product includes cryptographic software written by * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS 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 AUTHOR OR 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. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ /* ==================================================================== * Copyright (c) 1998-2007 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 * openssl-core@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). * */ /* ==================================================================== * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. * ECC cipher suite support in OpenSSL originally developed by * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. */ /* ==================================================================== * Copyright 2005 Nokia. All rights reserved. * * The portions of the attached software ("Contribution") is developed by * Nokia Corporation and is licensed pursuant to the OpenSSL open source * license. * * The Contribution, originally written by Mika Kousa and Pasi Eronen of * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites * support (see RFC 4279) to OpenSSL. * * No patent licenses or other rights except those expressly stated in * the OpenSSL open source license shall be deemed granted or received * expressly, by implication, estoppel, or otherwise. * * No assurances are provided by Nokia that the Contribution does not * infringe the patent or other intellectual property rights of any third * party or that the license provides you with all the necessary rights * to make use of the Contribution. * * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR * OTHERWISE. */ #ifndef HEADER_SSL_LOCL_H # define HEADER_SSL_LOCL_H # include # include # include # include # include "e_os.h" # include # ifndef OPENSSL_NO_COMP # include # endif # include # include # ifndef OPENSSL_NO_RSA # include # endif # ifndef OPENSSL_NO_DSA # include # endif # include # include # include # ifdef OPENSSL_BUILD_SHLIBSSL # undef OPENSSL_EXTERN # define OPENSSL_EXTERN OPENSSL_EXPORT # endif # define PKCS1_CHECK # define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \ l|=(((unsigned long)(*((c)++)))<< 8), \ l|=(((unsigned long)(*((c)++)))<<16), \ l|=(((unsigned long)(*((c)++)))<<24)) /* NOTE - c is not incremented as per c2l */ # define c2ln(c,l1,l2,n) { \ c+=n; \ l1=l2=0; \ switch (n) { \ case 8: l2 =((unsigned long)(*(--(c))))<<24; \ case 7: l2|=((unsigned long)(*(--(c))))<<16; \ case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ case 5: l2|=((unsigned long)(*(--(c)))); \ case 4: l1 =((unsigned long)(*(--(c))))<<24; \ case 3: l1|=((unsigned long)(*(--(c))))<<16; \ case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ case 1: l1|=((unsigned long)(*(--(c)))); \ } \ } # define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ *((c)++)=(unsigned char)(((l)>>16)&0xff), \ *((c)++)=(unsigned char)(((l)>>24)&0xff)) # define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \ l|=((unsigned long)(*((c)++)))<<16, \ l|=((unsigned long)(*((c)++)))<< 8, \ l|=((unsigned long)(*((c)++)))) # define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ *((c)++)=(unsigned char)(((l)>>16)&0xff), \ *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ *((c)++)=(unsigned char)(((l) )&0xff)) # define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \ *((c)++)=(unsigned char)(((l)>>32)&0xff), \ *((c)++)=(unsigned char)(((l)>>24)&0xff), \ *((c)++)=(unsigned char)(((l)>>16)&0xff), \ *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ *((c)++)=(unsigned char)(((l) )&0xff)) # define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \ *((c)++)=(unsigned char)(((l)>>48)&0xff), \ *((c)++)=(unsigned char)(((l)>>40)&0xff), \ *((c)++)=(unsigned char)(((l)>>32)&0xff), \ *((c)++)=(unsigned char)(((l)>>24)&0xff), \ *((c)++)=(unsigned char)(((l)>>16)&0xff), \ *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ *((c)++)=(unsigned char)(((l) )&0xff)) # define n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \ l|=((BN_ULLONG)(*((c)++)))<<32, \ l|=((BN_ULLONG)(*((c)++)))<<24, \ l|=((BN_ULLONG)(*((c)++)))<<16, \ l|=((BN_ULLONG)(*((c)++)))<< 8, \ l|=((BN_ULLONG)(*((c)++)))) /* NOTE - c is not incremented as per l2c */ # define l2cn(l1,l2,c,n) { \ c+=n; \ switch (n) { \ case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ } \ } # define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \ (((unsigned int)(c[1])) )),c+=2) # define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \ c[1]=(unsigned char)(((s) )&0xff)),c+=2) # define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \ (((unsigned long)(c[1]))<< 8)| \ (((unsigned long)(c[2])) )),c+=3) # define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \ c[1]=(unsigned char)(((l)>> 8)&0xff), \ c[2]=(unsigned char)(((l) )&0xff)),c+=3) /* LOCAL STUFF */ # define SSL_DECRYPT 0 # define SSL_ENCRYPT 1 # define TWO_BYTE_BIT 0x80 # define SEC_ESC_BIT 0x40 # define TWO_BYTE_MASK 0x7fff # define THREE_BYTE_MASK 0x3fff # define INC32(a) ((a)=((a)+1)&0xffffffffL) # define DEC32(a) ((a)=((a)-1)&0xffffffffL) # define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */ /* * Define the Bitmasks for SSL_CIPHER.algorithms. * This bits are used packed as dense as possible. If new methods/ciphers * etc will be added, the bits a likely to change, so this information * is for internal library use only, even though SSL_CIPHER.algorithms * can be publicly accessed. * Use the according functions for cipher management instead. * * The bit mask handling in the selection and sorting scheme in * ssl_create_cipher_list() has only limited capabilities, reflecting * that the different entities within are mutually exclusive: * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. */ /* Bits for algorithm_mkey (key exchange algorithm) */ /* RSA key exchange */ # define SSL_kRSA 0x00000001L /* DH cert, RSA CA cert */ /* no such ciphersuites supported! */ # define SSL_kDHr 0x00000002L /* DH cert, DSA CA cert */ /* no such ciphersuite supported! */ # define SSL_kDHd 0x00000004L /* tmp DH key no DH cert */ # define SSL_kEDH 0x00000008L /* Kerberos5 key exchange */ # define SSL_kKRB5 0x00000010L /* ECDH cert, RSA CA cert */ # define SSL_kECDHr 0x00000020L /* ECDH cert, ECDSA CA cert */ # define SSL_kECDHe 0x00000040L /* ephemeral ECDH */ # define SSL_kEECDH 0x00000080L /* PSK */ # define SSL_kPSK 0x00000100L /* GOST key exchange */ # define SSL_kGOST 0x00000200L /* Bits for algorithm_auth (server authentication) */ /* RSA auth */ # define SSL_aRSA 0x00000001L /* DSS auth */ # define SSL_aDSS 0x00000002L /* no auth (i.e. use ADH or AECDH) */ # define SSL_aNULL 0x00000004L /* Fixed DH auth (kDHd or kDHr) */ /* no such ciphersuites supported! */ # define SSL_aDH 0x00000008L /* Fixed ECDH auth (kECDHe or kECDHr) */ # define SSL_aECDH 0x00000010L /* KRB5 auth */ # define SSL_aKRB5 0x00000020L /* ECDSA auth*/ # define SSL_aECDSA 0x00000040L /* PSK auth */ # define SSL_aPSK 0x00000080L /* GOST R 34.10-94 signature auth */ # define SSL_aGOST94 0x00000100L /* GOST R 34.10-2001 signature auth */ # define SSL_aGOST01 0x00000200L /* Bits for algorithm_enc (symmetric encryption) */ # define SSL_DES 0x00000001L # define SSL_3DES 0x00000002L # define SSL_RC4 0x00000004L # define SSL_RC2 0x00000008L # define SSL_IDEA 0x00000010L # define SSL_eNULL 0x00000020L # define SSL_AES128 0x00000040L # define SSL_AES256 0x00000080L # define SSL_CAMELLIA128 0x00000100L # define SSL_CAMELLIA256 0x00000200L # define SSL_eGOST2814789CNT 0x00000400L # define SSL_SEED 0x00000800L # define SSL_AES (SSL_AES128|SSL_AES256) # define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) /* Bits for algorithm_mac (symmetric authentication) */ # define SSL_MD5 0x00000001L # define SSL_SHA1 0x00000002L # define SSL_GOST94 0x00000004L # define SSL_GOST89MAC 0x00000008L /* Bits for algorithm_ssl (protocol version) */ # define SSL_SSLV2 0x00000001UL # define SSL_SSLV3 0x00000002UL # define SSL_TLSV1 SSL_SSLV3/* for now */ /* Bits for algorithm2 (handshake digests and other extra flags) */ # define SSL_HANDSHAKE_MAC_MD5 0x10 # define SSL_HANDSHAKE_MAC_SHA 0x20 # define SSL_HANDSHAKE_MAC_GOST94 0x40 # define SSL_HANDSHAKE_MAC_DEFAULT (SSL_HANDSHAKE_MAC_MD5 | SSL_HANDSHAKE_MAC_SHA) /* * When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX make * sure to update this constant too */ # define SSL_MAX_DIGEST 4 # define TLS1_PRF_DGST_SHIFT 8 # define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT) # define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT) # define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT) # define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1) /* * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also * goes into algorithm2) */ # define TLS1_STREAM_MAC 0x04 /* * Export and cipher strength information. For each cipher we have to decide * whether it is exportable or not. This information is likely to change * over time, since the export control rules are no static technical issue. * * Independent of the export flag the cipher strength is sorted into classes. * SSL_EXP40 was denoting the 40bit US export limit of past times, which now * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more, * since SSL_EXP64 could be similar to SSL_LOW. * For this reason SSL_MICRO and SSL_MINI macros are included to widen the * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would * be possible. */ # define SSL_EXP_MASK 0x00000003L # define SSL_STRONG_MASK 0x000001fcL # define SSL_NOT_EXP 0x00000001L # define SSL_EXPORT 0x00000002L # define SSL_STRONG_NONE 0x00000004L # define SSL_EXP40 0x00000008L # define SSL_MICRO (SSL_EXP40) # define SSL_EXP56 0x00000010L # define SSL_MINI (SSL_EXP56) # define SSL_LOW 0x00000020L # define SSL_MEDIUM 0x00000040L # define SSL_HIGH 0x00000080L # define SSL_FIPS 0x00000100L /* we have used 000001ff - 23 bits left to go */ /*- * Macros to check the export status and cipher strength for export ciphers. * Even though the macros for EXPORT and EXPORT40/56 have similar names, * their meaning is different: * *_EXPORT macros check the 'exportable' status. * *_EXPORT40/56 macros are used to check whether a certain cipher strength * is given. * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct * algorithm structure element to be passed (algorithms, algo_strength) and no * typechecking can be done as they are all of type unsigned long, their * direct usage is discouraged. * Use the SSL_C_* macros instead. */ # define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT) # define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56) # define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40) # define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength) # define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength) # define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength) # define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \ (a) == SSL_DES ? 8 : 7) # define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024) # define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \ (c)->algo_strength) # define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength) /* Mostly for SSLv3 */ # define SSL_PKEY_RSA_ENC 0 # define SSL_PKEY_RSA_SIGN 1 # define SSL_PKEY_DSA_SIGN 2 # define SSL_PKEY_DH_RSA 3 # define SSL_PKEY_DH_DSA 4 # define SSL_PKEY_ECC 5 # define SSL_PKEY_GOST94 6 # define SSL_PKEY_GOST01 7 # define SSL_PKEY_NUM 8 /*- * SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) | * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN) * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN * SSL_aRSA <- RSA_ENC | RSA_SIGN * SSL_aDSS <- DSA_SIGN */ /*- #define CERT_INVALID 0 #define CERT_PUBLIC_KEY 1 #define CERT_PRIVATE_KEY 2 */ # ifndef OPENSSL_NO_EC /* * From ECC-TLS draft, used in encoding the curve type in ECParameters */ # define EXPLICIT_PRIME_CURVE_TYPE 1 # define EXPLICIT_CHAR2_CURVE_TYPE 2 # define NAMED_CURVE_TYPE 3 # endif /* OPENSSL_NO_EC */ typedef struct cert_pkey_st { X509 *x509; EVP_PKEY *privatekey; } CERT_PKEY; typedef struct cert_st { /* Current active set */ /* * ALWAYS points to an element of the pkeys array * Probably it would make more sense to store * an index, not a pointer. */ CERT_PKEY *key; /* * The following masks are for the key and auth algorithms that are * supported by the certs below */ int valid; unsigned long mask_k; unsigned long mask_a; unsigned long export_mask_k; unsigned long export_mask_a; # ifndef OPENSSL_NO_RSA RSA *rsa_tmp; RSA *(*rsa_tmp_cb) (SSL *ssl, int is_export, int keysize); # endif # ifndef OPENSSL_NO_DH DH *dh_tmp; DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize); # endif # ifndef OPENSSL_NO_ECDH EC_KEY *ecdh_tmp; /* Callback for generating ephemeral ECDH keys */ EC_KEY *(*ecdh_tmp_cb) (SSL *ssl, int is_export, int keysize); # endif CERT_PKEY pkeys[SSL_PKEY_NUM]; int references; /* >1 only if SSL_copy_session_id is used */ } CERT; typedef struct sess_cert_st { STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */ /* The 'peer_...' members are used only by clients. */ int peer_cert_type; CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never * NULL!) */ CERT_PKEY peer_pkeys[SSL_PKEY_NUM]; /* * Obviously we don't have the private keys of these, so maybe we * shouldn't even use the CERT_PKEY type here. */ # ifndef OPENSSL_NO_RSA RSA *peer_rsa_tmp; /* not used for SSL 2 */ # endif # ifndef OPENSSL_NO_DH DH *peer_dh_tmp; /* not used for SSL 2 */ # endif # ifndef OPENSSL_NO_ECDH EC_KEY *peer_ecdh_tmp; # endif int references; /* actually always 1 at the moment */ } SESS_CERT; /* * #define MAC_DEBUG */ /* * #define ERR_DEBUG */ /* * #define ABORT_DEBUG */ /* * #define PKT_DEBUG 1 */ /* * #define DES_DEBUG */ /* * #define DES_OFB_DEBUG */ /* * #define SSL_DEBUG */ /* * #define RSA_DEBUG */ /* * #define IDEA_DEBUG */ # define FP_ICC (int (*)(const void *,const void *)) # define ssl_put_cipher_by_char(ssl,ciph,ptr) \ ((ssl)->method->put_cipher_by_char((ciph),(ptr))) # define ssl_get_cipher_by_char(ssl,ptr) \ ((ssl)->method->get_cipher_by_char(ptr)) /* * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit * of a mess of functions, but hell, think of it as an opaque structure :-) */ typedef struct ssl3_enc_method { int (*enc) (SSL *, int); int (*mac) (SSL *, unsigned char *, int); int (*setup_key_block) (SSL *); int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *, int); int (*change_cipher_state) (SSL *, int); int (*final_finish_mac) (SSL *, const char *, int, unsigned char *); int finish_mac_length; int (*cert_verify_mac) (SSL *, int, unsigned char *); const char *client_finished_label; int client_finished_label_len; const char *server_finished_label; int server_finished_label_len; int (*alert_value) (int); } SSL3_ENC_METHOD; # ifndef OPENSSL_NO_COMP /* Used for holding the relevant compression methods loaded into SSL_CTX */ typedef struct ssl3_comp_st { int comp_id; /* The identifier byte for this compression * type */ char *name; /* Text name used for the compression type */ COMP_METHOD *method; /* The method :-) */ } SSL3_COMP; # endif # ifndef OPENSSL_NO_BUF_FREELISTS typedef struct ssl3_buf_freelist_st { size_t chunklen; unsigned int len; struct ssl3_buf_freelist_entry_st *head; } SSL3_BUF_FREELIST; typedef struct ssl3_buf_freelist_entry_st { struct ssl3_buf_freelist_entry_st *next; } SSL3_BUF_FREELIST_ENTRY; # endif extern SSL3_ENC_METHOD ssl3_undef_enc_method; OPENSSL_EXTERN const SSL_CIPHER ssl2_ciphers[]; OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[]; SSL_METHOD *ssl_bad_method(int ver); extern SSL3_ENC_METHOD TLSv1_enc_data; extern SSL3_ENC_METHOD SSLv3_enc_data; extern SSL3_ENC_METHOD DTLSv1_enc_data; # define SSL_IS_DTLS(s) (s->method->version == DTLS1_VERSION) # define IMPLEMENT_tls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \ const SSL_METHOD *func_name(void) \ { \ static const SSL_METHOD func_name##_data= { \ TLS1_VERSION, \ tls1_new, \ tls1_clear, \ tls1_free, \ s_accept, \ s_connect, \ ssl3_read, \ ssl3_peek, \ ssl3_write, \ ssl3_shutdown, \ ssl3_renegotiate, \ ssl3_renegotiate_check, \ ssl3_get_message, \ ssl3_read_bytes, \ ssl3_write_bytes, \ ssl3_dispatch_alert, \ ssl3_ctrl, \ ssl3_ctx_ctrl, \ ssl3_get_cipher_by_char, \ ssl3_put_cipher_by_char, \ ssl3_pending, \ ssl3_num_ciphers, \ ssl3_get_cipher, \ s_get_meth, \ tls1_default_timeout, \ &TLSv1_enc_data, \ ssl_undefined_void_function, \ ssl3_callback_ctrl, \ ssl3_ctx_callback_ctrl, \ }; \ return &func_name##_data; \ } # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \ const SSL_METHOD *func_name(void) \ { \ static const SSL_METHOD func_name##_data= { \ SSL3_VERSION, \ ssl3_new, \ ssl3_clear, \ ssl3_free, \ s_accept, \ s_connect, \ ssl3_read, \ ssl3_peek, \ ssl3_write, \ ssl3_shutdown, \ ssl3_renegotiate, \ ssl3_renegotiate_check, \ ssl3_get_message, \ ssl3_read_bytes, \ ssl3_write_bytes, \ ssl3_dispatch_alert, \ ssl3_ctrl, \ ssl3_ctx_ctrl, \ ssl3_get_cipher_by_char, \ ssl3_put_cipher_by_char, \ ssl3_pending, \ ssl3_num_ciphers, \ ssl3_get_cipher, \ s_get_meth, \ ssl3_default_timeout, \ &SSLv3_enc_data, \ ssl_undefined_void_function, \ ssl3_callback_ctrl, \ ssl3_ctx_callback_ctrl, \ }; \ return &func_name##_data; \ } # define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \ const SSL_METHOD *func_name(void) \ { \ static const SSL_METHOD func_name##_data= { \ TLS1_VERSION, \ tls1_new, \ tls1_clear, \ tls1_free, \ s_accept, \ s_connect, \ ssl23_read, \ ssl23_peek, \ ssl23_write, \ ssl_undefined_function, \ ssl_undefined_function, \ ssl_ok, \ ssl3_get_message, \ ssl3_read_bytes, \ ssl3_write_bytes, \ ssl3_dispatch_alert, \ ssl3_ctrl, \ ssl3_ctx_ctrl, \ ssl23_get_cipher_by_char, \ ssl23_put_cipher_by_char, \ ssl_undefined_const_function, \ ssl23_num_ciphers, \ ssl23_get_cipher, \ s_get_meth, \ ssl23_default_timeout, \ &ssl3_undef_enc_method, \ ssl_undefined_void_function, \ ssl3_callback_ctrl, \ ssl3_ctx_callback_ctrl, \ }; \ return &func_name##_data; \ } # define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \ const SSL_METHOD *func_name(void) \ { \ static const SSL_METHOD func_name##_data= { \ SSL2_VERSION, \ ssl2_new, /* local */ \ ssl2_clear, /* local */ \ ssl2_free, /* local */ \ s_accept, \ s_connect, \ ssl2_read, \ ssl2_peek, \ ssl2_write, \ ssl2_shutdown, \ ssl_ok, /* NULL - renegotiate */ \ ssl_ok, /* NULL - check renegotiate */ \ NULL, /* NULL - ssl_get_message */ \ NULL, /* NULL - ssl_get_record */ \ NULL, /* NULL - ssl_write_bytes */ \ NULL, /* NULL - dispatch_alert */ \ ssl2_ctrl, /* local */ \ ssl2_ctx_ctrl, /* local */ \ ssl2_get_cipher_by_char, \ ssl2_put_cipher_by_char, \ ssl2_pending, \ ssl2_num_ciphers, \ ssl2_get_cipher, \ s_get_meth, \ ssl2_default_timeout, \ &ssl3_undef_enc_method, \ ssl_undefined_void_function, \ ssl2_callback_ctrl, /* local */ \ ssl2_ctx_callback_ctrl, /* local */ \ }; \ return &func_name##_data; \ } # define IMPLEMENT_dtls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \ const SSL_METHOD *func_name(void) \ { \ static const SSL_METHOD func_name##_data= { \ DTLS1_VERSION, \ dtls1_new, \ dtls1_clear, \ dtls1_free, \ s_accept, \ s_connect, \ ssl3_read, \ ssl3_peek, \ ssl3_write, \ ssl3_shutdown, \ ssl3_renegotiate, \ ssl3_renegotiate_check, \ dtls1_get_message, \ dtls1_read_bytes, \ dtls1_write_app_data_bytes, \ dtls1_dispatch_alert, \ dtls1_ctrl, \ ssl3_ctx_ctrl, \ ssl3_get_cipher_by_char, \ ssl3_put_cipher_by_char, \ ssl3_pending, \ ssl3_num_ciphers, \ dtls1_get_cipher, \ s_get_meth, \ dtls1_default_timeout, \ &DTLSv1_enc_data, \ ssl_undefined_void_function, \ ssl3_callback_ctrl, \ ssl3_ctx_callback_ctrl, \ }; \ return &func_name##_data; \ } void ssl_clear_cipher_ctx(SSL *s); int ssl_clear_bad_session(SSL *s); CERT *ssl_cert_new(void); CERT *ssl_cert_dup(CERT *cert); int ssl_cert_inst(CERT **o); void ssl_cert_free(CERT *c); SESS_CERT *ssl_sess_cert_new(void); void ssl_sess_cert_free(SESS_CERT *sc); int ssl_set_peer_cert_type(SESS_CERT *c, int type); int ssl_get_new_session(SSL *s, int session); int ssl_get_prev_session(SSL *s, unsigned char *session, int len, const unsigned char *limit); SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket); int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, const SSL_CIPHER *const *bp); STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s, unsigned char *p, int num, STACK_OF(SSL_CIPHER) **skp); int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk, unsigned char *p, int (*put_cb) (const SSL_CIPHER *, unsigned char *)); STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, STACK_OF(SSL_CIPHER) **pref, STACK_OF(SSL_CIPHER) **sorted, const char *rule_str); void ssl_update_cache(SSL *s, int mode); int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, const EVP_MD **md, int *mac_pkey_type, int *mac_secret_size, SSL_COMP **comp); int ssl_get_handshake_digest(int i, long *mask, const EVP_MD **md); int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); int ssl_undefined_function(SSL *s); int ssl_undefined_void_function(void); int ssl_undefined_const_function(const SSL *s); CERT_PKEY *ssl_get_server_send_pkey(const SSL *s); X509 *ssl_get_server_send_cert(const SSL *); EVP_PKEY *ssl_get_sign_pkey(SSL *, const SSL_CIPHER *); int ssl_cert_type(X509 *x, EVP_PKEY *pkey); void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher); STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); int ssl_verify_alarm_type(long type); void ssl_load_ciphers(void); int ssl2_enc_init(SSL *s, int client); int ssl2_generate_key_material(SSL *s); int ssl2_enc(SSL *s, int send_data); void ssl2_mac(SSL *s, unsigned char *mac, int send_data); const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p); int ssl2_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); int ssl2_part_read(SSL *s, unsigned long f, int i); int ssl2_do_write(SSL *s); int ssl2_set_certificate(SSL *s, int type, int len, const unsigned char *data); void ssl2_return_error(SSL *s, int reason); void ssl2_write_error(SSL *s); int ssl2_num_ciphers(void); const SSL_CIPHER *ssl2_get_cipher(unsigned int u); int ssl2_new(SSL *s); void ssl2_free(SSL *s); int ssl2_accept(SSL *s); int ssl2_connect(SSL *s); int ssl2_read(SSL *s, void *buf, int len); int ssl2_peek(SSL *s, void *buf, int len); int ssl2_write(SSL *s, const void *buf, int len); int ssl2_shutdown(SSL *s); void ssl2_clear(SSL *s); long ssl2_ctrl(SSL *s, int cmd, long larg, void *parg); long ssl2_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); long ssl2_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); long ssl2_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); int ssl2_pending(const SSL *s); long ssl2_default_timeout(void); const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); void ssl3_init_finished_mac(SSL *s); int ssl3_send_server_certificate(SSL *s); int ssl3_send_newsession_ticket(SSL *s); int ssl3_send_cert_status(SSL *s); int ssl3_get_finished(SSL *s, int state_a, int state_b); int ssl3_setup_key_block(SSL *s); int ssl3_send_change_cipher_spec(SSL *s, int state_a, int state_b); int ssl3_change_cipher_state(SSL *s, int which); void ssl3_cleanup_key_block(SSL *s); int ssl3_do_write(SSL *s, int type); int ssl3_send_alert(SSL *s, int level, int desc); int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p, int len); int ssl3_get_req_cert_type(SSL *s, unsigned char *p); long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen); int ssl3_num_ciphers(void); const SSL_CIPHER *ssl3_get_cipher(unsigned int u); int ssl3_renegotiate(SSL *ssl); int ssl3_renegotiate_check(SSL *ssl); int ssl3_dispatch_alert(SSL *s); int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); int ssl3_write_bytes(SSL *s, int type, const void *buf, int len); int ssl3_final_finish_mac(SSL *s, const char *sender, int slen, unsigned char *p); int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); int ssl3_enc(SSL *s, int send_data); int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data); void ssl3_free_digest_list(SSL *s); unsigned long ssl3_output_cert_chain(SSL *s, X509 *x); SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, STACK_OF(SSL_CIPHER) *clnt, STACK_OF(SSL_CIPHER) *srvr); int ssl3_setup_buffers(SSL *s); int ssl3_setup_read_buffer(SSL *s); int ssl3_setup_write_buffer(SSL *s); int ssl3_release_read_buffer(SSL *s); int ssl3_release_write_buffer(SSL *s); int ssl3_digest_cached_records(SSL *s); int ssl3_new(SSL *s); void ssl3_free(SSL *s); int ssl3_accept(SSL *s); int ssl3_connect(SSL *s); int ssl3_read(SSL *s, void *buf, int len); int ssl3_peek(SSL *s, void *buf, int len); int ssl3_write(SSL *s, const void *buf, int len); int ssl3_shutdown(SSL *s); void ssl3_clear(SSL *s); long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); int ssl3_pending(const SSL *s); void ssl3_record_sequence_update(unsigned char *seq); int ssl3_do_change_cipher_spec(SSL *ssl); long ssl3_default_timeout(void); int ssl23_num_ciphers(void); const SSL_CIPHER *ssl23_get_cipher(unsigned int u); int ssl23_read(SSL *s, void *buf, int len); int ssl23_peek(SSL *s, void *buf, int len); int ssl23_write(SSL *s, const void *buf, int len); int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p); long ssl23_default_timeout(void); long tls1_default_timeout(void); int dtls1_do_write(SSL *s, int type); int ssl3_read_n(SSL *s, int n, int max, int extend); int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); int ssl3_do_compress(SSL *ssl); int ssl3_do_uncompress(SSL *ssl); int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, unsigned int len); unsigned char *dtls1_set_message_header(SSL *s, unsigned char *p, unsigned char mt, unsigned long len, unsigned long frag_off, unsigned long frag_len); int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); int dtls1_write_bytes(SSL *s, int type, const void *buf, int len); int dtls1_send_change_cipher_spec(SSL *s, int a, int b); int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen); unsigned long dtls1_output_cert_chain(SSL *s, X509 *x); int dtls1_read_failed(SSL *s, int code); int dtls1_buffer_message(SSL *s, int ccs); int dtls1_retransmit_message(SSL *s, unsigned short seq, unsigned long frag_off, int *found); int dtls1_get_queue_priority(unsigned short seq, int is_ccs); int dtls1_retransmit_buffered_messages(SSL *s); void dtls1_clear_record_buffer(SSL *s); void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr); void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr); void dtls1_reset_seq_numbers(SSL *s, int rw); long dtls1_default_timeout(void); struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); int dtls1_check_timeout_num(SSL *s); int dtls1_handle_timeout(SSL *s); const SSL_CIPHER *dtls1_get_cipher(unsigned int u); void dtls1_start_timer(SSL *s); void dtls1_stop_timer(SSL *s); int dtls1_is_timer_expired(SSL *s); void dtls1_double_timeout(SSL *s); int dtls1_send_newsession_ticket(SSL *s); unsigned int dtls1_min_mtu(SSL *s); unsigned int dtls1_link_min_mtu(void); void dtls1_hm_fragment_free(hm_fragment *frag); /* some client-only functions */ int ssl3_client_hello(SSL *s); int ssl3_get_server_hello(SSL *s); int ssl3_get_certificate_request(SSL *s); int ssl3_get_new_session_ticket(SSL *s); int ssl3_get_cert_status(SSL *s); int ssl3_get_server_done(SSL *s); int ssl3_send_client_verify(SSL *s); int ssl3_send_client_certificate(SSL *s); int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey); int ssl3_send_client_key_exchange(SSL *s); int ssl3_get_key_exchange(SSL *s); int ssl3_get_server_certificate(SSL *s); int ssl3_check_cert_and_algorithm(SSL *s); # ifndef OPENSSL_NO_TLSEXT int ssl3_check_finished(SSL *s); # endif int dtls1_client_hello(SSL *s); int dtls1_send_client_certificate(SSL *s); int dtls1_send_client_key_exchange(SSL *s); int dtls1_send_client_verify(SSL *s); /* some server-only functions */ int ssl3_get_client_hello(SSL *s); int ssl3_send_server_hello(SSL *s); int ssl3_send_hello_request(SSL *s); int ssl3_send_server_key_exchange(SSL *s); int ssl3_send_certificate_request(SSL *s); int ssl3_send_server_done(SSL *s); int ssl3_check_client_hello(SSL *s); int ssl3_get_client_certificate(SSL *s); int ssl3_get_client_key_exchange(SSL *s); int ssl3_get_cert_verify(SSL *s); int dtls1_send_hello_request(SSL *s); int dtls1_send_server_hello(SSL *s); int dtls1_send_server_certificate(SSL *s); int dtls1_send_server_key_exchange(SSL *s); int dtls1_send_certificate_request(SSL *s); int dtls1_send_server_done(SSL *s); int ssl23_accept(SSL *s); int ssl23_connect(SSL *s); int ssl23_read_bytes(SSL *s, int n); int ssl23_write_bytes(SSL *s); int tls1_new(SSL *s); void tls1_free(SSL *s); void tls1_clear(SSL *s); long tls1_ctrl(SSL *s, int cmd, long larg, void *parg); long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); int dtls1_new(SSL *s); int dtls1_accept(SSL *s); int dtls1_connect(SSL *s); void dtls1_free(SSL *s); void dtls1_clear(SSL *s); long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); int dtls1_get_record(SSL *s); int do_dtls1_write(SSL *s, int type, const unsigned char *buf, unsigned int len, int create_empty_fragement); int dtls1_dispatch_alert(SSL *s); int dtls1_enc(SSL *s, int snd); int ssl_init_wbio_buffer(SSL *s, int push); void ssl_free_wbio_buffer(SSL *s); int tls1_change_cipher_state(SSL *s, int which); int tls1_setup_key_block(SSL *s); int tls1_enc(SSL *s, int snd); int tls1_final_finish_mac(SSL *s, const char *str, int slen, unsigned char *p); int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); int tls1_mac(SSL *ssl, unsigned char *md, int snd); int tls1_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p, int len); int tls1_alert_code(int code); int ssl3_alert_code(int code); int ssl_ok(SSL *s); # ifndef OPENSSL_NO_ECDH int ssl_check_srvr_ecc_cert_and_alg(X509 *x, const SSL_CIPHER *cs); # endif SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); # ifndef OPENSSL_NO_EC int tls1_ec_curve_id2nid(int curve_id); int tls1_ec_nid2curve_id(int nid); # endif /* OPENSSL_NO_EC */ # ifndef OPENSSL_NO_TLSEXT unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned char *limit); unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *p, unsigned char *limit); int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al); int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al); int ssl_prepare_clienthello_tlsext(SSL *s); int ssl_prepare_serverhello_tlsext(SSL *s); int ssl_check_clienthello_tlsext_early(SSL *s); int ssl_check_clienthello_tlsext_late(SSL *s); int ssl_check_serverhello_tlsext(SSL *s); # ifdef OPENSSL_NO_SHA256 # define tlsext_tick_md EVP_sha1 # else # define tlsext_tick_md EVP_sha256 # endif int tls1_process_ticket(SSL *s, unsigned char *session_id, int len, const unsigned char *limit, SSL_SESSION **ret); # endif EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); void ssl_clear_hash_ctx(EVP_MD_CTX **hash); int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len, int maxlen); int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len, int *al); int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len, int maxlen); int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len, int *al); /* s3_cbc.c */ void ssl3_cbc_copy_mac(unsigned char *out, const SSL3_RECORD *rec, unsigned md_size, unsigned orig_len); int ssl3_cbc_remove_padding(const SSL *s, SSL3_RECORD *rec, unsigned block_size, unsigned mac_size); int tls1_cbc_remove_padding(const SSL *s, SSL3_RECORD *rec, unsigned block_size, unsigned mac_size); char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); void ssl3_cbc_digest_record(const EVP_MD_CTX *ctx, unsigned char *md_out, size_t *md_out_size, const unsigned char header[13], const unsigned char *data, size_t data_plus_mac_size, size_t data_plus_mac_plus_padding_size, const unsigned char *mac_secret, unsigned mac_secret_length, char is_sslv3); #endif