diff options
Diffstat (limited to 'thirdparty/openssl/ssl/ssl_ciph.c')
| -rw-r--r-- | thirdparty/openssl/ssl/ssl_ciph.c | 2093 |
1 files changed, 0 insertions, 2093 deletions
diff --git a/thirdparty/openssl/ssl/ssl_ciph.c b/thirdparty/openssl/ssl/ssl_ciph.c deleted file mode 100644 index ccdf00fa1b..0000000000 --- a/thirdparty/openssl/ssl/ssl_ciph.c +++ /dev/null @@ -1,2093 +0,0 @@ -/* ssl/ssl_ciph.c */ -/* 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. - */ - -#include <stdio.h> -#include <openssl/objects.h> -#ifndef OPENSSL_NO_COMP -# include <openssl/comp.h> -#endif -#ifndef OPENSSL_NO_ENGINE -# include <openssl/engine.h> -#endif -#include "ssl_locl.h" - -#define SSL_ENC_DES_IDX 0 -#define SSL_ENC_3DES_IDX 1 -#define SSL_ENC_RC4_IDX 2 -#define SSL_ENC_RC2_IDX 3 -#define SSL_ENC_IDEA_IDX 4 -#define SSL_ENC_NULL_IDX 5 -#define SSL_ENC_AES128_IDX 6 -#define SSL_ENC_AES256_IDX 7 -#define SSL_ENC_CAMELLIA128_IDX 8 -#define SSL_ENC_CAMELLIA256_IDX 9 -#define SSL_ENC_GOST89_IDX 10 -#define SSL_ENC_SEED_IDX 11 -#define SSL_ENC_AES128GCM_IDX 12 -#define SSL_ENC_AES256GCM_IDX 13 -#define SSL_ENC_NUM_IDX 14 - -static const EVP_CIPHER *ssl_cipher_methods[SSL_ENC_NUM_IDX] = { - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, NULL -}; - -#define SSL_COMP_NULL_IDX 0 -#define SSL_COMP_ZLIB_IDX 1 -#define SSL_COMP_NUM_IDX 2 - -static STACK_OF(SSL_COMP) *ssl_comp_methods = NULL; - -#define SSL_MD_MD5_IDX 0 -#define SSL_MD_SHA1_IDX 1 -#define SSL_MD_GOST94_IDX 2 -#define SSL_MD_GOST89MAC_IDX 3 -#define SSL_MD_SHA256_IDX 4 -#define SSL_MD_SHA384_IDX 5 -/* - * Constant SSL_MAX_DIGEST equal to size of digests array should be defined - * in the ssl_locl.h - */ -#define SSL_MD_NUM_IDX SSL_MAX_DIGEST -static const EVP_MD *ssl_digest_methods[SSL_MD_NUM_IDX] = { - NULL, NULL, NULL, NULL, NULL, NULL -}; - -/* - * PKEY_TYPE for GOST89MAC is known in advance, but, because implementation - * is engine-provided, we'll fill it only if corresponding EVP_PKEY_METHOD is - * found - */ -static int ssl_mac_pkey_id[SSL_MD_NUM_IDX] = { - EVP_PKEY_HMAC, EVP_PKEY_HMAC, EVP_PKEY_HMAC, NID_undef, - EVP_PKEY_HMAC, EVP_PKEY_HMAC -}; - -static int ssl_mac_secret_size[SSL_MD_NUM_IDX] = { - 0, 0, 0, 0, 0, 0 -}; - -static int ssl_handshake_digest_flag[SSL_MD_NUM_IDX] = { - SSL_HANDSHAKE_MAC_MD5, SSL_HANDSHAKE_MAC_SHA, - SSL_HANDSHAKE_MAC_GOST94, 0, SSL_HANDSHAKE_MAC_SHA256, - SSL_HANDSHAKE_MAC_SHA384 -}; - -#define CIPHER_ADD 1 -#define CIPHER_KILL 2 -#define CIPHER_DEL 3 -#define CIPHER_ORD 4 -#define CIPHER_SPECIAL 5 - -typedef struct cipher_order_st { - const SSL_CIPHER *cipher; - int active; - int dead; - struct cipher_order_st *next, *prev; -} CIPHER_ORDER; - -static const SSL_CIPHER cipher_aliases[] = { - /* "ALL" doesn't include eNULL (must be specifically enabled) */ - {0, SSL_TXT_ALL, 0, 0, 0, ~SSL_eNULL, 0, 0, 0, 0, 0, 0}, - /* "COMPLEMENTOFALL" */ - {0, SSL_TXT_CMPALL, 0, 0, 0, SSL_eNULL, 0, 0, 0, 0, 0, 0}, - - /* - * "COMPLEMENTOFDEFAULT" (does *not* include ciphersuites not found in - * ALL!) - */ - {0, SSL_TXT_CMPDEF, 0, 0, 0, 0, 0, 0, SSL_NOT_DEFAULT, 0, 0, 0}, - - /* - * key exchange aliases (some of those using only a single bit here - * combine multiple key exchange algs according to the RFCs, e.g. kEDH - * combines DHE_DSS and DHE_RSA) - */ - {0, SSL_TXT_kRSA, 0, SSL_kRSA, 0, 0, 0, 0, 0, 0, 0, 0}, - - {0, SSL_TXT_kDHr, 0, SSL_kDHr, 0, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_kDHd, 0, SSL_kDHd, 0, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_kDH, 0, SSL_kDHr | SSL_kDHd, 0, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_kEDH, 0, SSL_kEDH, 0, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_kDHE, 0, SSL_kEDH, 0, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_DH, 0, SSL_kDHr | SSL_kDHd | SSL_kEDH, 0, 0, 0, 0, 0, 0, 0, - 0}, - - {0, SSL_TXT_kKRB5, 0, SSL_kKRB5, 0, 0, 0, 0, 0, 0, 0, 0}, - - {0, SSL_TXT_kECDHr, 0, SSL_kECDHr, 0, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_kECDHe, 0, SSL_kECDHe, 0, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_kECDH, 0, SSL_kECDHr | SSL_kECDHe, 0, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_kEECDH, 0, SSL_kEECDH, 0, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_kECDHE, 0, SSL_kEECDH, 0, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_ECDH, 0, SSL_kECDHr | SSL_kECDHe | SSL_kEECDH, 0, 0, 0, 0, 0, - 0, 0, 0}, - - {0, SSL_TXT_kPSK, 0, SSL_kPSK, 0, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_kSRP, 0, SSL_kSRP, 0, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_kGOST, 0, SSL_kGOST, 0, 0, 0, 0, 0, 0, 0, 0}, - - /* server authentication aliases */ - {0, SSL_TXT_aRSA, 0, 0, SSL_aRSA, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_aDSS, 0, 0, SSL_aDSS, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_DSS, 0, 0, SSL_aDSS, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_aKRB5, 0, 0, SSL_aKRB5, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_aNULL, 0, 0, SSL_aNULL, 0, 0, 0, 0, 0, 0, 0}, - /* no such ciphersuites supported! */ - {0, SSL_TXT_aDH, 0, 0, SSL_aDH, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_aECDH, 0, 0, SSL_aECDH, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_aECDSA, 0, 0, SSL_aECDSA, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_ECDSA, 0, 0, SSL_aECDSA, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_aPSK, 0, 0, SSL_aPSK, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_aGOST94, 0, 0, SSL_aGOST94, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_aGOST01, 0, 0, SSL_aGOST01, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_aGOST, 0, 0, SSL_aGOST94 | SSL_aGOST01, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_aSRP, 0, 0, SSL_aSRP, 0, 0, 0, 0, 0, 0, 0}, - - /* aliases combining key exchange and server authentication */ - {0, SSL_TXT_EDH, 0, SSL_kEDH, ~SSL_aNULL, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_DHE, 0, SSL_kEDH, ~SSL_aNULL, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_EECDH, 0, SSL_kEECDH, ~SSL_aNULL, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_ECDHE, 0, SSL_kEECDH, ~SSL_aNULL, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_NULL, 0, 0, 0, SSL_eNULL, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_KRB5, 0, SSL_kKRB5, SSL_aKRB5, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_RSA, 0, SSL_kRSA, SSL_aRSA, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_ADH, 0, SSL_kEDH, SSL_aNULL, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_AECDH, 0, SSL_kEECDH, SSL_aNULL, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_PSK, 0, SSL_kPSK, SSL_aPSK, 0, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_SRP, 0, SSL_kSRP, 0, 0, 0, 0, 0, 0, 0, 0}, - - /* symmetric encryption aliases */ - {0, SSL_TXT_DES, 0, 0, 0, SSL_DES, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_3DES, 0, 0, 0, SSL_3DES, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_RC4, 0, 0, 0, SSL_RC4, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_RC2, 0, 0, 0, SSL_RC2, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_IDEA, 0, 0, 0, SSL_IDEA, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_SEED, 0, 0, 0, SSL_SEED, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_eNULL, 0, 0, 0, SSL_eNULL, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_AES128, 0, 0, 0, SSL_AES128 | SSL_AES128GCM, 0, 0, 0, 0, 0, - 0}, - {0, SSL_TXT_AES256, 0, 0, 0, SSL_AES256 | SSL_AES256GCM, 0, 0, 0, 0, 0, - 0}, - {0, SSL_TXT_AES, 0, 0, 0, SSL_AES, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_AES_GCM, 0, 0, 0, SSL_AES128GCM | SSL_AES256GCM, 0, 0, 0, 0, - 0, 0}, - {0, SSL_TXT_CAMELLIA128, 0, 0, 0, SSL_CAMELLIA128, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_CAMELLIA256, 0, 0, 0, SSL_CAMELLIA256, 0, 0, 0, 0, 0, 0}, - {0, SSL_TXT_CAMELLIA, 0, 0, 0, SSL_CAMELLIA128 | SSL_CAMELLIA256, 0, 0, 0, - 0, 0, 0}, - - /* MAC aliases */ - {0, SSL_TXT_MD5, 0, 0, 0, 0, SSL_MD5, 0, 0, 0, 0, 0}, - {0, SSL_TXT_SHA1, 0, 0, 0, 0, SSL_SHA1, 0, 0, 0, 0, 0}, - {0, SSL_TXT_SHA, 0, 0, 0, 0, SSL_SHA1, 0, 0, 0, 0, 0}, - {0, SSL_TXT_GOST94, 0, 0, 0, 0, SSL_GOST94, 0, 0, 0, 0, 0}, - {0, SSL_TXT_GOST89MAC, 0, 0, 0, 0, SSL_GOST89MAC, 0, 0, 0, 0, 0}, - {0, SSL_TXT_SHA256, 0, 0, 0, 0, SSL_SHA256, 0, 0, 0, 0, 0}, - {0, SSL_TXT_SHA384, 0, 0, 0, 0, SSL_SHA384, 0, 0, 0, 0, 0}, - - /* protocol version aliases */ - {0, SSL_TXT_SSLV2, 0, 0, 0, 0, 0, SSL_SSLV2, 0, 0, 0, 0}, - {0, SSL_TXT_SSLV3, 0, 0, 0, 0, 0, SSL_SSLV3, 0, 0, 0, 0}, - {0, SSL_TXT_TLSV1, 0, 0, 0, 0, 0, SSL_TLSV1, 0, 0, 0, 0}, - {0, SSL_TXT_TLSV1_2, 0, 0, 0, 0, 0, SSL_TLSV1_2, 0, 0, 0, 0}, - - /* export flag */ - {0, SSL_TXT_EXP, 0, 0, 0, 0, 0, 0, SSL_EXPORT, 0, 0, 0}, - {0, SSL_TXT_EXPORT, 0, 0, 0, 0, 0, 0, SSL_EXPORT, 0, 0, 0}, - - /* strength classes */ - {0, SSL_TXT_EXP40, 0, 0, 0, 0, 0, 0, SSL_EXP40, 0, 0, 0}, - {0, SSL_TXT_EXP56, 0, 0, 0, 0, 0, 0, SSL_EXP56, 0, 0, 0}, - {0, SSL_TXT_LOW, 0, 0, 0, 0, 0, 0, SSL_LOW, 0, 0, 0}, - {0, SSL_TXT_MEDIUM, 0, 0, 0, 0, 0, 0, SSL_MEDIUM, 0, 0, 0}, - {0, SSL_TXT_HIGH, 0, 0, 0, 0, 0, 0, SSL_HIGH, 0, 0, 0}, - /* FIPS 140-2 approved ciphersuite */ - {0, SSL_TXT_FIPS, 0, 0, 0, ~SSL_eNULL, 0, 0, SSL_FIPS, 0, 0, 0}, - /* "DHE-" aliases to "EDH-" labels (for forward compatibility) */ - {0, SSL3_TXT_DHE_DSS_DES_40_CBC_SHA, 0, - SSL_kDHE, SSL_aDSS, SSL_DES, SSL_SHA1, SSL_SSLV3, SSL_EXPORT | SSL_EXP40, - 0, 0, 0,}, - {0, SSL3_TXT_DHE_DSS_DES_64_CBC_SHA, 0, - SSL_kDHE, SSL_aDSS, SSL_DES, SSL_SHA1, SSL_SSLV3, SSL_NOT_EXP | SSL_LOW, - 0, 0, 0,}, - {0, SSL3_TXT_DHE_DSS_DES_192_CBC3_SHA, 0, - SSL_kDHE, SSL_aDSS, SSL_3DES, SSL_SHA1, SSL_SSLV3, - SSL_NOT_EXP | SSL_HIGH | SSL_FIPS, 0, 0, 0,}, - {0, SSL3_TXT_DHE_RSA_DES_40_CBC_SHA, 0, - SSL_kDHE, SSL_aRSA, SSL_DES, SSL_SHA1, SSL_SSLV3, SSL_EXPORT | SSL_EXP40, - 0, 0, 0,}, - {0, SSL3_TXT_DHE_RSA_DES_64_CBC_SHA, 0, - SSL_kDHE, SSL_aRSA, SSL_DES, SSL_SHA1, SSL_SSLV3, SSL_NOT_EXP | SSL_LOW, - 0, 0, 0,}, - {0, SSL3_TXT_DHE_RSA_DES_192_CBC3_SHA, 0, - SSL_kDHE, SSL_aRSA, SSL_3DES, SSL_SHA1, SSL_SSLV3, - SSL_NOT_EXP | SSL_HIGH | SSL_FIPS, 0, 0, 0,}, -}; - -/* - * Search for public key algorithm with given name and return its pkey_id if - * it is available. Otherwise return 0 - */ -#ifdef OPENSSL_NO_ENGINE - -static int get_optional_pkey_id(const char *pkey_name) -{ - const EVP_PKEY_ASN1_METHOD *ameth; - int pkey_id = 0; - ameth = EVP_PKEY_asn1_find_str(NULL, pkey_name, -1); - if (ameth && EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, - ameth) > 0) { - return pkey_id; - } - return 0; -} - -#else - -static int get_optional_pkey_id(const char *pkey_name) -{ - const EVP_PKEY_ASN1_METHOD *ameth; - ENGINE *tmpeng = NULL; - int pkey_id = 0; - ameth = EVP_PKEY_asn1_find_str(&tmpeng, pkey_name, -1); - if (ameth) { - if (EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, - ameth) <= 0) - pkey_id = 0; - } - if (tmpeng) - ENGINE_finish(tmpeng); - return pkey_id; -} - -#endif - -void ssl_load_ciphers(void) -{ - ssl_cipher_methods[SSL_ENC_DES_IDX] = EVP_get_cipherbyname(SN_des_cbc); - ssl_cipher_methods[SSL_ENC_3DES_IDX] = - EVP_get_cipherbyname(SN_des_ede3_cbc); - ssl_cipher_methods[SSL_ENC_RC4_IDX] = EVP_get_cipherbyname(SN_rc4); - ssl_cipher_methods[SSL_ENC_RC2_IDX] = EVP_get_cipherbyname(SN_rc2_cbc); -#ifndef OPENSSL_NO_IDEA - ssl_cipher_methods[SSL_ENC_IDEA_IDX] = EVP_get_cipherbyname(SN_idea_cbc); -#else - ssl_cipher_methods[SSL_ENC_IDEA_IDX] = NULL; -#endif - ssl_cipher_methods[SSL_ENC_AES128_IDX] = - EVP_get_cipherbyname(SN_aes_128_cbc); - ssl_cipher_methods[SSL_ENC_AES256_IDX] = - EVP_get_cipherbyname(SN_aes_256_cbc); - ssl_cipher_methods[SSL_ENC_CAMELLIA128_IDX] = - EVP_get_cipherbyname(SN_camellia_128_cbc); - ssl_cipher_methods[SSL_ENC_CAMELLIA256_IDX] = - EVP_get_cipherbyname(SN_camellia_256_cbc); - ssl_cipher_methods[SSL_ENC_GOST89_IDX] = - EVP_get_cipherbyname(SN_gost89_cnt); - ssl_cipher_methods[SSL_ENC_SEED_IDX] = EVP_get_cipherbyname(SN_seed_cbc); - - ssl_cipher_methods[SSL_ENC_AES128GCM_IDX] = - EVP_get_cipherbyname(SN_aes_128_gcm); - ssl_cipher_methods[SSL_ENC_AES256GCM_IDX] = - EVP_get_cipherbyname(SN_aes_256_gcm); - - ssl_digest_methods[SSL_MD_MD5_IDX] = EVP_get_digestbyname(SN_md5); - ssl_mac_secret_size[SSL_MD_MD5_IDX] = - EVP_MD_size(ssl_digest_methods[SSL_MD_MD5_IDX]); - OPENSSL_assert(ssl_mac_secret_size[SSL_MD_MD5_IDX] >= 0); - ssl_digest_methods[SSL_MD_SHA1_IDX] = EVP_get_digestbyname(SN_sha1); - ssl_mac_secret_size[SSL_MD_SHA1_IDX] = - EVP_MD_size(ssl_digest_methods[SSL_MD_SHA1_IDX]); - OPENSSL_assert(ssl_mac_secret_size[SSL_MD_SHA1_IDX] >= 0); - ssl_digest_methods[SSL_MD_GOST94_IDX] = - EVP_get_digestbyname(SN_id_GostR3411_94); - if (ssl_digest_methods[SSL_MD_GOST94_IDX]) { - ssl_mac_secret_size[SSL_MD_GOST94_IDX] = - EVP_MD_size(ssl_digest_methods[SSL_MD_GOST94_IDX]); - OPENSSL_assert(ssl_mac_secret_size[SSL_MD_GOST94_IDX] >= 0); - } - ssl_digest_methods[SSL_MD_GOST89MAC_IDX] = - EVP_get_digestbyname(SN_id_Gost28147_89_MAC); - ssl_mac_pkey_id[SSL_MD_GOST89MAC_IDX] = get_optional_pkey_id("gost-mac"); - if (ssl_mac_pkey_id[SSL_MD_GOST89MAC_IDX]) { - ssl_mac_secret_size[SSL_MD_GOST89MAC_IDX] = 32; - } - - ssl_digest_methods[SSL_MD_SHA256_IDX] = EVP_get_digestbyname(SN_sha256); - ssl_mac_secret_size[SSL_MD_SHA256_IDX] = - EVP_MD_size(ssl_digest_methods[SSL_MD_SHA256_IDX]); - ssl_digest_methods[SSL_MD_SHA384_IDX] = EVP_get_digestbyname(SN_sha384); - ssl_mac_secret_size[SSL_MD_SHA384_IDX] = - EVP_MD_size(ssl_digest_methods[SSL_MD_SHA384_IDX]); -} - -#ifndef OPENSSL_NO_COMP - -static int sk_comp_cmp(const SSL_COMP *const *a, const SSL_COMP *const *b) -{ - return ((*a)->id - (*b)->id); -} - -static void load_builtin_compressions(void) -{ - int got_write_lock = 0; - - CRYPTO_r_lock(CRYPTO_LOCK_SSL); - if (ssl_comp_methods == NULL) { - CRYPTO_r_unlock(CRYPTO_LOCK_SSL); - CRYPTO_w_lock(CRYPTO_LOCK_SSL); - got_write_lock = 1; - - if (ssl_comp_methods == NULL) { - SSL_COMP *comp = NULL; - - MemCheck_off(); - ssl_comp_methods = sk_SSL_COMP_new(sk_comp_cmp); - if (ssl_comp_methods != NULL) { - comp = (SSL_COMP *)OPENSSL_malloc(sizeof(SSL_COMP)); - if (comp != NULL) { - comp->method = COMP_zlib(); - if (comp->method && comp->method->type == NID_undef) - OPENSSL_free(comp); - else { - comp->id = SSL_COMP_ZLIB_IDX; - comp->name = comp->method->name; - sk_SSL_COMP_push(ssl_comp_methods, comp); - } - } - sk_SSL_COMP_sort(ssl_comp_methods); - } - MemCheck_on(); - } - } - - if (got_write_lock) - CRYPTO_w_unlock(CRYPTO_LOCK_SSL); - else - CRYPTO_r_unlock(CRYPTO_LOCK_SSL); -} -#endif - -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 i; - const SSL_CIPHER *c; - - c = s->cipher; - if (c == NULL) - return (0); - if (comp != NULL) { - SSL_COMP ctmp; -#ifndef OPENSSL_NO_COMP - load_builtin_compressions(); -#endif - - *comp = NULL; - ctmp.id = s->compress_meth; - if (ssl_comp_methods != NULL) { - i = sk_SSL_COMP_find(ssl_comp_methods, &ctmp); - if (i >= 0) - *comp = sk_SSL_COMP_value(ssl_comp_methods, i); - else - *comp = NULL; - } - } - - if ((enc == NULL) || (md == NULL)) - return (0); - - switch (c->algorithm_enc) { - case SSL_DES: - i = SSL_ENC_DES_IDX; - break; - case SSL_3DES: - i = SSL_ENC_3DES_IDX; - break; - case SSL_RC4: - i = SSL_ENC_RC4_IDX; - break; - case SSL_RC2: - i = SSL_ENC_RC2_IDX; - break; - case SSL_IDEA: - i = SSL_ENC_IDEA_IDX; - break; - case SSL_eNULL: - i = SSL_ENC_NULL_IDX; - break; - case SSL_AES128: - i = SSL_ENC_AES128_IDX; - break; - case SSL_AES256: - i = SSL_ENC_AES256_IDX; - break; - case SSL_CAMELLIA128: - i = SSL_ENC_CAMELLIA128_IDX; - break; - case SSL_CAMELLIA256: - i = SSL_ENC_CAMELLIA256_IDX; - break; - case SSL_eGOST2814789CNT: - i = SSL_ENC_GOST89_IDX; - break; - case SSL_SEED: - i = SSL_ENC_SEED_IDX; - break; - case SSL_AES128GCM: - i = SSL_ENC_AES128GCM_IDX; - break; - case SSL_AES256GCM: - i = SSL_ENC_AES256GCM_IDX; - break; - default: - i = -1; - break; - } - - if ((i < 0) || (i >= SSL_ENC_NUM_IDX)) - *enc = NULL; - else { - if (i == SSL_ENC_NULL_IDX) - *enc = EVP_enc_null(); - else - *enc = ssl_cipher_methods[i]; - } - - switch (c->algorithm_mac) { - case SSL_MD5: - i = SSL_MD_MD5_IDX; - break; - case SSL_SHA1: - i = SSL_MD_SHA1_IDX; - break; - case SSL_SHA256: - i = SSL_MD_SHA256_IDX; - break; - case SSL_SHA384: - i = SSL_MD_SHA384_IDX; - break; - case SSL_GOST94: - i = SSL_MD_GOST94_IDX; - break; - case SSL_GOST89MAC: - i = SSL_MD_GOST89MAC_IDX; - break; - default: - i = -1; - break; - } - if ((i < 0) || (i >= SSL_MD_NUM_IDX)) { - *md = NULL; - if (mac_pkey_type != NULL) - *mac_pkey_type = NID_undef; - if (mac_secret_size != NULL) - *mac_secret_size = 0; - if (c->algorithm_mac == SSL_AEAD) - mac_pkey_type = NULL; - } else { - *md = ssl_digest_methods[i]; - if (mac_pkey_type != NULL) - *mac_pkey_type = ssl_mac_pkey_id[i]; - if (mac_secret_size != NULL) - *mac_secret_size = ssl_mac_secret_size[i]; - } - - if ((*enc != NULL) && - (*md != NULL || (EVP_CIPHER_flags(*enc) & EVP_CIPH_FLAG_AEAD_CIPHER)) - && (!mac_pkey_type || *mac_pkey_type != NID_undef)) { - const EVP_CIPHER *evp; - - if (s->ssl_version >> 8 != TLS1_VERSION_MAJOR || - s->ssl_version < TLS1_VERSION) - return 1; - -#ifdef OPENSSL_FIPS - if (FIPS_mode()) - return 1; -#endif - - if (c->algorithm_enc == SSL_RC4 && - c->algorithm_mac == SSL_MD5 && - (evp = EVP_get_cipherbyname("RC4-HMAC-MD5"))) - *enc = evp, *md = NULL; - else if (c->algorithm_enc == SSL_AES128 && - c->algorithm_mac == SSL_SHA1 && - (evp = EVP_get_cipherbyname("AES-128-CBC-HMAC-SHA1"))) - *enc = evp, *md = NULL; - else if (c->algorithm_enc == SSL_AES256 && - c->algorithm_mac == SSL_SHA1 && - (evp = EVP_get_cipherbyname("AES-256-CBC-HMAC-SHA1"))) - *enc = evp, *md = NULL; - else if (c->algorithm_enc == SSL_AES128 && - c->algorithm_mac == SSL_SHA256 && - (evp = EVP_get_cipherbyname("AES-128-CBC-HMAC-SHA256"))) - *enc = evp, *md = NULL; - else if (c->algorithm_enc == SSL_AES256 && - c->algorithm_mac == SSL_SHA256 && - (evp = EVP_get_cipherbyname("AES-256-CBC-HMAC-SHA256"))) - *enc = evp, *md = NULL; - return (1); - } else - return (0); -} - -int ssl_get_handshake_digest(int idx, long *mask, const EVP_MD **md) -{ - if (idx < 0 || idx >= SSL_MD_NUM_IDX) { - return 0; - } - *mask = ssl_handshake_digest_flag[idx]; - if (*mask) - *md = ssl_digest_methods[idx]; - else - *md = NULL; - return 1; -} - -#define ITEM_SEP(a) \ - (((a) == ':') || ((a) == ' ') || ((a) == ';') || ((a) == ',')) - -static void ll_append_tail(CIPHER_ORDER **head, CIPHER_ORDER *curr, - CIPHER_ORDER **tail) -{ - if (curr == *tail) - return; - if (curr == *head) - *head = curr->next; - if (curr->prev != NULL) - curr->prev->next = curr->next; - if (curr->next != NULL) - curr->next->prev = curr->prev; - (*tail)->next = curr; - curr->prev = *tail; - curr->next = NULL; - *tail = curr; -} - -static void ll_append_head(CIPHER_ORDER **head, CIPHER_ORDER *curr, - CIPHER_ORDER **tail) -{ - if (curr == *head) - return; - if (curr == *tail) - *tail = curr->prev; - if (curr->next != NULL) - curr->next->prev = curr->prev; - if (curr->prev != NULL) - curr->prev->next = curr->next; - (*head)->prev = curr; - curr->next = *head; - curr->prev = NULL; - *head = curr; -} - -static void ssl_cipher_get_disabled(unsigned long *mkey, unsigned long *auth, - unsigned long *enc, unsigned long *mac, - unsigned long *ssl) -{ - *mkey = 0; - *auth = 0; - *enc = 0; - *mac = 0; - *ssl = 0; - -#ifdef OPENSSL_NO_RSA - *mkey |= SSL_kRSA; - *auth |= SSL_aRSA; -#endif -#ifdef OPENSSL_NO_DSA - *auth |= SSL_aDSS; -#endif -#ifdef OPENSSL_NO_DH - *mkey |= SSL_kDHr | SSL_kDHd | SSL_kEDH; - *auth |= SSL_aDH; -#endif -#ifdef OPENSSL_NO_KRB5 - *mkey |= SSL_kKRB5; - *auth |= SSL_aKRB5; -#endif -#ifdef OPENSSL_NO_ECDSA - *auth |= SSL_aECDSA; -#endif -#ifdef OPENSSL_NO_ECDH - *mkey |= SSL_kECDHe | SSL_kECDHr; - *auth |= SSL_aECDH; -#endif -#ifdef OPENSSL_NO_PSK - *mkey |= SSL_kPSK; - *auth |= SSL_aPSK; -#endif -#ifdef OPENSSL_NO_SRP - *mkey |= SSL_kSRP; -#endif - /* - * Check for presence of GOST 34.10 algorithms, and if they do not - * present, disable appropriate auth and key exchange - */ - if (!get_optional_pkey_id("gost94")) { - *auth |= SSL_aGOST94; - } - if (!get_optional_pkey_id("gost2001")) { - *auth |= SSL_aGOST01; - } - /* - * Disable GOST key exchange if no GOST signature algs are available * - */ - if ((*auth & (SSL_aGOST94 | SSL_aGOST01)) == (SSL_aGOST94 | SSL_aGOST01)) { - *mkey |= SSL_kGOST; - } -#ifdef SSL_FORBID_ENULL - *enc |= SSL_eNULL; -#endif - - *enc |= (ssl_cipher_methods[SSL_ENC_DES_IDX] == NULL) ? SSL_DES : 0; - *enc |= (ssl_cipher_methods[SSL_ENC_3DES_IDX] == NULL) ? SSL_3DES : 0; - *enc |= (ssl_cipher_methods[SSL_ENC_RC4_IDX] == NULL) ? SSL_RC4 : 0; - *enc |= (ssl_cipher_methods[SSL_ENC_RC2_IDX] == NULL) ? SSL_RC2 : 0; - *enc |= (ssl_cipher_methods[SSL_ENC_IDEA_IDX] == NULL) ? SSL_IDEA : 0; - *enc |= (ssl_cipher_methods[SSL_ENC_AES128_IDX] == NULL) ? SSL_AES128 : 0; - *enc |= (ssl_cipher_methods[SSL_ENC_AES256_IDX] == NULL) ? SSL_AES256 : 0; - *enc |= - (ssl_cipher_methods[SSL_ENC_AES128GCM_IDX] == - NULL) ? SSL_AES128GCM : 0; - *enc |= - (ssl_cipher_methods[SSL_ENC_AES256GCM_IDX] == - NULL) ? SSL_AES256GCM : 0; - *enc |= - (ssl_cipher_methods[SSL_ENC_CAMELLIA128_IDX] == - NULL) ? SSL_CAMELLIA128 : 0; - *enc |= - (ssl_cipher_methods[SSL_ENC_CAMELLIA256_IDX] == - NULL) ? SSL_CAMELLIA256 : 0; - *enc |= - (ssl_cipher_methods[SSL_ENC_GOST89_IDX] == - NULL) ? SSL_eGOST2814789CNT : 0; - *enc |= (ssl_cipher_methods[SSL_ENC_SEED_IDX] == NULL) ? SSL_SEED : 0; - - *mac |= (ssl_digest_methods[SSL_MD_MD5_IDX] == NULL) ? SSL_MD5 : 0; - *mac |= (ssl_digest_methods[SSL_MD_SHA1_IDX] == NULL) ? SSL_SHA1 : 0; - *mac |= (ssl_digest_methods[SSL_MD_SHA256_IDX] == NULL) ? SSL_SHA256 : 0; - *mac |= (ssl_digest_methods[SSL_MD_SHA384_IDX] == NULL) ? SSL_SHA384 : 0; - *mac |= (ssl_digest_methods[SSL_MD_GOST94_IDX] == NULL) ? SSL_GOST94 : 0; - *mac |= (ssl_digest_methods[SSL_MD_GOST89MAC_IDX] == NULL - || ssl_mac_pkey_id[SSL_MD_GOST89MAC_IDX] == - NID_undef) ? SSL_GOST89MAC : 0; - -} - -static void ssl_cipher_collect_ciphers(const SSL_METHOD *ssl_method, - int num_of_ciphers, - unsigned long disabled_mkey, - unsigned long disabled_auth, - unsigned long disabled_enc, - unsigned long disabled_mac, - unsigned long disabled_ssl, - CIPHER_ORDER *co_list, - CIPHER_ORDER **head_p, - CIPHER_ORDER **tail_p) -{ - int i, co_list_num; - const SSL_CIPHER *c; - - /* - * We have num_of_ciphers descriptions compiled in, depending on the - * method selected (SSLv2 and/or SSLv3, TLSv1 etc). - * These will later be sorted in a linked list with at most num - * entries. - */ - - /* Get the initial list of ciphers */ - co_list_num = 0; /* actual count of ciphers */ - for (i = 0; i < num_of_ciphers; i++) { - c = ssl_method->get_cipher(i); - /* drop those that use any of that is not available */ - if ((c != NULL) && c->valid && -#ifdef OPENSSL_FIPS - (!FIPS_mode() || (c->algo_strength & SSL_FIPS)) && -#endif - !(c->algorithm_mkey & disabled_mkey) && - !(c->algorithm_auth & disabled_auth) && - !(c->algorithm_enc & disabled_enc) && - !(c->algorithm_mac & disabled_mac) && - !(c->algorithm_ssl & disabled_ssl)) { - co_list[co_list_num].cipher = c; - co_list[co_list_num].next = NULL; - co_list[co_list_num].prev = NULL; - co_list[co_list_num].active = 0; - co_list_num++; -#ifdef KSSL_DEBUG - fprintf(stderr, "\t%d: %s %lx %lx %lx\n", i, c->name, c->id, - c->algorithm_mkey, c->algorithm_auth); -#endif /* KSSL_DEBUG */ - /* - * if (!sk_push(ca_list,(char *)c)) goto err; - */ - } - } - - /* - * Prepare linked list from list entries - */ - if (co_list_num > 0) { - co_list[0].prev = NULL; - - if (co_list_num > 1) { - co_list[0].next = &co_list[1]; - - for (i = 1; i < co_list_num - 1; i++) { - co_list[i].prev = &co_list[i - 1]; - co_list[i].next = &co_list[i + 1]; - } - - co_list[co_list_num - 1].prev = &co_list[co_list_num - 2]; - } - - co_list[co_list_num - 1].next = NULL; - - *head_p = &co_list[0]; - *tail_p = &co_list[co_list_num - 1]; - } -} - -static void ssl_cipher_collect_aliases(const SSL_CIPHER **ca_list, - int num_of_group_aliases, - unsigned long disabled_mkey, - unsigned long disabled_auth, - unsigned long disabled_enc, - unsigned long disabled_mac, - unsigned long disabled_ssl, - CIPHER_ORDER *head) -{ - CIPHER_ORDER *ciph_curr; - const SSL_CIPHER **ca_curr; - int i; - unsigned long mask_mkey = ~disabled_mkey; - unsigned long mask_auth = ~disabled_auth; - unsigned long mask_enc = ~disabled_enc; - unsigned long mask_mac = ~disabled_mac; - unsigned long mask_ssl = ~disabled_ssl; - - /* - * First, add the real ciphers as already collected - */ - ciph_curr = head; - ca_curr = ca_list; - while (ciph_curr != NULL) { - *ca_curr = ciph_curr->cipher; - ca_curr++; - ciph_curr = ciph_curr->next; - } - - /* - * Now we add the available ones from the cipher_aliases[] table. - * They represent either one or more algorithms, some of which - * in any affected category must be supported (set in enabled_mask), - * or represent a cipher strength value (will be added in any case because algorithms=0). - */ - for (i = 0; i < num_of_group_aliases; i++) { - unsigned long algorithm_mkey = cipher_aliases[i].algorithm_mkey; - unsigned long algorithm_auth = cipher_aliases[i].algorithm_auth; - unsigned long algorithm_enc = cipher_aliases[i].algorithm_enc; - unsigned long algorithm_mac = cipher_aliases[i].algorithm_mac; - unsigned long algorithm_ssl = cipher_aliases[i].algorithm_ssl; - - if (algorithm_mkey) - if ((algorithm_mkey & mask_mkey) == 0) - continue; - - if (algorithm_auth) - if ((algorithm_auth & mask_auth) == 0) - continue; - - if (algorithm_enc) - if ((algorithm_enc & mask_enc) == 0) - continue; - - if (algorithm_mac) - if ((algorithm_mac & mask_mac) == 0) - continue; - - if (algorithm_ssl) - if ((algorithm_ssl & mask_ssl) == 0) - continue; - - *ca_curr = (SSL_CIPHER *)(cipher_aliases + i); - ca_curr++; - } - - *ca_curr = NULL; /* end of list */ -} - -static void ssl_cipher_apply_rule(unsigned long cipher_id, - unsigned long alg_mkey, - unsigned long alg_auth, - unsigned long alg_enc, - unsigned long alg_mac, - unsigned long alg_ssl, - unsigned long algo_strength, int rule, - int strength_bits, CIPHER_ORDER **head_p, - CIPHER_ORDER **tail_p) -{ - CIPHER_ORDER *head, *tail, *curr, *next, *last; - const SSL_CIPHER *cp; - int reverse = 0; - -#ifdef CIPHER_DEBUG - fprintf(stderr, - "Applying rule %d with %08lx/%08lx/%08lx/%08lx/%08lx %08lx (%d)\n", - rule, alg_mkey, alg_auth, alg_enc, alg_mac, alg_ssl, - algo_strength, strength_bits); -#endif - - if (rule == CIPHER_DEL) - reverse = 1; /* needed to maintain sorting between - * currently deleted ciphers */ - - head = *head_p; - tail = *tail_p; - - if (reverse) { - next = tail; - last = head; - } else { - next = head; - last = tail; - } - - curr = NULL; - for (;;) { - if (curr == last) - break; - - curr = next; - - if (curr == NULL) - break; - - next = reverse ? curr->prev : curr->next; - - cp = curr->cipher; - - /* - * Selection criteria is either the value of strength_bits - * or the algorithms used. - */ - if (strength_bits >= 0) { - if (strength_bits != cp->strength_bits) - continue; - } else { -#ifdef CIPHER_DEBUG - fprintf(stderr, - "\nName: %s:\nAlgo = %08lx/%08lx/%08lx/%08lx/%08lx Algo_strength = %08lx\n", - cp->name, cp->algorithm_mkey, cp->algorithm_auth, - cp->algorithm_enc, cp->algorithm_mac, cp->algorithm_ssl, - cp->algo_strength); -#endif -#ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL - if (cipher_id && cipher_id != cp->id) - continue; -#endif - if (alg_mkey && !(alg_mkey & cp->algorithm_mkey)) - continue; - if (alg_auth && !(alg_auth & cp->algorithm_auth)) - continue; - if (alg_enc && !(alg_enc & cp->algorithm_enc)) - continue; - if (alg_mac && !(alg_mac & cp->algorithm_mac)) - continue; - if (alg_ssl && !(alg_ssl & cp->algorithm_ssl)) - continue; - if ((algo_strength & SSL_EXP_MASK) - && !(algo_strength & SSL_EXP_MASK & cp->algo_strength)) - continue; - if ((algo_strength & SSL_STRONG_MASK) - && !(algo_strength & SSL_STRONG_MASK & cp->algo_strength)) - continue; - if ((algo_strength & SSL_NOT_DEFAULT) - && !(cp->algo_strength & SSL_NOT_DEFAULT)) - continue; - } - -#ifdef CIPHER_DEBUG - fprintf(stderr, "Action = %d\n", rule); -#endif - - /* add the cipher if it has not been added yet. */ - if (rule == CIPHER_ADD) { - /* reverse == 0 */ - if (!curr->active) { - ll_append_tail(&head, curr, &tail); - curr->active = 1; - } - } - /* Move the added cipher to this location */ - else if (rule == CIPHER_ORD) { - /* reverse == 0 */ - if (curr->active) { - ll_append_tail(&head, curr, &tail); - } - } else if (rule == CIPHER_DEL) { - /* reverse == 1 */ - if (curr->active) { - /* - * most recently deleted ciphersuites get best positions for - * any future CIPHER_ADD (note that the CIPHER_DEL loop works - * in reverse to maintain the order) - */ - ll_append_head(&head, curr, &tail); - curr->active = 0; - } - } else if (rule == CIPHER_KILL) { - /* reverse == 0 */ - if (head == curr) - head = curr->next; - else - curr->prev->next = curr->next; - if (tail == curr) - tail = curr->prev; - curr->active = 0; - if (curr->next != NULL) - curr->next->prev = curr->prev; - if (curr->prev != NULL) - curr->prev->next = curr->next; - curr->next = NULL; - curr->prev = NULL; - } - } - - *head_p = head; - *tail_p = tail; -} - -static int ssl_cipher_strength_sort(CIPHER_ORDER **head_p, - CIPHER_ORDER **tail_p) -{ - int max_strength_bits, i, *number_uses; - CIPHER_ORDER *curr; - - /* - * This routine sorts the ciphers with descending strength. The sorting - * must keep the pre-sorted sequence, so we apply the normal sorting - * routine as '+' movement to the end of the list. - */ - max_strength_bits = 0; - curr = *head_p; - while (curr != NULL) { - if (curr->active && (curr->cipher->strength_bits > max_strength_bits)) - max_strength_bits = curr->cipher->strength_bits; - curr = curr->next; - } - - number_uses = OPENSSL_malloc((max_strength_bits + 1) * sizeof(int)); - if (!number_uses) { - SSLerr(SSL_F_SSL_CIPHER_STRENGTH_SORT, ERR_R_MALLOC_FAILURE); - return (0); - } - memset(number_uses, 0, (max_strength_bits + 1) * sizeof(int)); - - /* - * Now find the strength_bits values actually used - */ - curr = *head_p; - while (curr != NULL) { - if (curr->active) - number_uses[curr->cipher->strength_bits]++; - curr = curr->next; - } - /* - * Go through the list of used strength_bits values in descending - * order. - */ - for (i = max_strength_bits; i >= 0; i--) - if (number_uses[i] > 0) - ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ORD, i, head_p, - tail_p); - - OPENSSL_free(number_uses); - return (1); -} - -static int ssl_cipher_process_rulestr(const char *rule_str, - CIPHER_ORDER **head_p, - CIPHER_ORDER **tail_p, - const SSL_CIPHER **ca_list) -{ - unsigned long alg_mkey, alg_auth, alg_enc, alg_mac, alg_ssl, - algo_strength; - const char *l, *buf; - int j, multi, found, rule, retval, ok, buflen; - unsigned long cipher_id = 0; - char ch; - - retval = 1; - l = rule_str; - for (;;) { - ch = *l; - - if (ch == '\0') - break; /* done */ - if (ch == '-') { - rule = CIPHER_DEL; - l++; - } else if (ch == '+') { - rule = CIPHER_ORD; - l++; - } else if (ch == '!') { - rule = CIPHER_KILL; - l++; - } else if (ch == '@') { - rule = CIPHER_SPECIAL; - l++; - } else { - rule = CIPHER_ADD; - } - - if (ITEM_SEP(ch)) { - l++; - continue; - } - - alg_mkey = 0; - alg_auth = 0; - alg_enc = 0; - alg_mac = 0; - alg_ssl = 0; - algo_strength = 0; - - for (;;) { - ch = *l; - buf = l; - buflen = 0; -#ifndef CHARSET_EBCDIC - while (((ch >= 'A') && (ch <= 'Z')) || - ((ch >= '0') && (ch <= '9')) || - ((ch >= 'a') && (ch <= 'z')) || (ch == '-') || (ch == '.')) -#else - while (isalnum((unsigned char)ch) || (ch == '-') || (ch == '.')) -#endif - { - ch = *(++l); - buflen++; - } - - if (buflen == 0) { - /* - * We hit something we cannot deal with, - * it is no command or separator nor - * alphanumeric, so we call this an error. - */ - SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, - SSL_R_INVALID_COMMAND); - retval = found = 0; - l++; - break; - } - - if (rule == CIPHER_SPECIAL) { - found = 0; /* unused -- avoid compiler warning */ - break; /* special treatment */ - } - - /* check for multi-part specification */ - if (ch == '+') { - multi = 1; - l++; - } else - multi = 0; - - /* - * Now search for the cipher alias in the ca_list. Be careful - * with the strncmp, because the "buflen" limitation - * will make the rule "ADH:SOME" and the cipher - * "ADH-MY-CIPHER" look like a match for buflen=3. - * So additionally check whether the cipher name found - * has the correct length. We can save a strlen() call: - * just checking for the '\0' at the right place is - * sufficient, we have to strncmp() anyway. (We cannot - * use strcmp(), because buf is not '\0' terminated.) - */ - j = found = 0; - cipher_id = 0; - while (ca_list[j]) { - if (!strncmp(buf, ca_list[j]->name, buflen) && - (ca_list[j]->name[buflen] == '\0')) { - found = 1; - break; - } else - j++; - } - - if (!found) - break; /* ignore this entry */ - - if (ca_list[j]->algorithm_mkey) { - if (alg_mkey) { - alg_mkey &= ca_list[j]->algorithm_mkey; - if (!alg_mkey) { - found = 0; - break; - } - } else - alg_mkey = ca_list[j]->algorithm_mkey; - } - - if (ca_list[j]->algorithm_auth) { - if (alg_auth) { - alg_auth &= ca_list[j]->algorithm_auth; - if (!alg_auth) { - found = 0; - break; - } - } else - alg_auth = ca_list[j]->algorithm_auth; - } - - if (ca_list[j]->algorithm_enc) { - if (alg_enc) { - alg_enc &= ca_list[j]->algorithm_enc; - if (!alg_enc) { - found = 0; - break; - } - } else - alg_enc = ca_list[j]->algorithm_enc; - } - - if (ca_list[j]->algorithm_mac) { - if (alg_mac) { - alg_mac &= ca_list[j]->algorithm_mac; - if (!alg_mac) { - found = 0; - break; - } - } else - alg_mac = ca_list[j]->algorithm_mac; - } - - if (ca_list[j]->algo_strength & SSL_EXP_MASK) { - if (algo_strength & SSL_EXP_MASK) { - algo_strength &= - (ca_list[j]->algo_strength & SSL_EXP_MASK) | - ~SSL_EXP_MASK; - if (!(algo_strength & SSL_EXP_MASK)) { - found = 0; - break; - } - } else - algo_strength |= ca_list[j]->algo_strength & SSL_EXP_MASK; - } - - if (ca_list[j]->algo_strength & SSL_STRONG_MASK) { - if (algo_strength & SSL_STRONG_MASK) { - algo_strength &= - (ca_list[j]->algo_strength & SSL_STRONG_MASK) | - ~SSL_STRONG_MASK; - if (!(algo_strength & SSL_STRONG_MASK)) { - found = 0; - break; - } - } else - algo_strength |= - ca_list[j]->algo_strength & SSL_STRONG_MASK; - } - - if (ca_list[j]->algo_strength & SSL_NOT_DEFAULT) { - algo_strength |= SSL_NOT_DEFAULT; - } - - if (ca_list[j]->valid) { - /* - * explicit ciphersuite found; its protocol version does not - * become part of the search pattern! - */ - - cipher_id = ca_list[j]->id; - } else { - /* - * not an explicit ciphersuite; only in this case, the - * protocol version is considered part of the search pattern - */ - - if (ca_list[j]->algorithm_ssl) { - if (alg_ssl) { - alg_ssl &= ca_list[j]->algorithm_ssl; - if (!alg_ssl) { - found = 0; - break; - } - } else - alg_ssl = ca_list[j]->algorithm_ssl; - } - } - - if (!multi) - break; - } - - /* - * Ok, we have the rule, now apply it - */ - if (rule == CIPHER_SPECIAL) { /* special command */ - ok = 0; - if ((buflen == 8) && !strncmp(buf, "STRENGTH", 8)) - ok = ssl_cipher_strength_sort(head_p, tail_p); - else - SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, - SSL_R_INVALID_COMMAND); - if (ok == 0) - retval = 0; - /* - * We do not support any "multi" options - * together with "@", so throw away the - * rest of the command, if any left, until - * end or ':' is found. - */ - while ((*l != '\0') && !ITEM_SEP(*l)) - l++; - } else if (found) { - ssl_cipher_apply_rule(cipher_id, - alg_mkey, alg_auth, alg_enc, alg_mac, - alg_ssl, algo_strength, rule, -1, head_p, - tail_p); - } else { - while ((*l != '\0') && !ITEM_SEP(*l)) - l++; - } - if (*l == '\0') - break; /* done */ - } - - return (retval); -} - -#ifndef OPENSSL_NO_EC -static int check_suiteb_cipher_list(const SSL_METHOD *meth, CERT *c, - const char **prule_str) -{ - unsigned int suiteb_flags = 0, suiteb_comb2 = 0; - if (strncmp(*prule_str, "SUITEB128ONLY", 13) == 0) { - suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS_ONLY; - } else if (strncmp(*prule_str, "SUITEB128C2", 11) == 0) { - suiteb_comb2 = 1; - suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS; - } else if (strncmp(*prule_str, "SUITEB128", 9) == 0) { - suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS; - } else if (strncmp(*prule_str, "SUITEB192", 9) == 0) { - suiteb_flags = SSL_CERT_FLAG_SUITEB_192_LOS; - } - - if (suiteb_flags) { - c->cert_flags &= ~SSL_CERT_FLAG_SUITEB_128_LOS; - c->cert_flags |= suiteb_flags; - } else - suiteb_flags = c->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS; - - if (!suiteb_flags) - return 1; - /* Check version: if TLS 1.2 ciphers allowed we can use Suite B */ - - if (!(meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS)) { - if (meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) - SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST, - SSL_R_ONLY_DTLS_1_2_ALLOWED_IN_SUITEB_MODE); - else - SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST, - SSL_R_ONLY_TLS_1_2_ALLOWED_IN_SUITEB_MODE); - return 0; - } -# ifndef OPENSSL_NO_ECDH - switch (suiteb_flags) { - case SSL_CERT_FLAG_SUITEB_128_LOS: - if (suiteb_comb2) - *prule_str = "ECDHE-ECDSA-AES256-GCM-SHA384"; - else - *prule_str = - "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384"; - break; - case SSL_CERT_FLAG_SUITEB_128_LOS_ONLY: - *prule_str = "ECDHE-ECDSA-AES128-GCM-SHA256"; - break; - case SSL_CERT_FLAG_SUITEB_192_LOS: - *prule_str = "ECDHE-ECDSA-AES256-GCM-SHA384"; - break; - } - /* Set auto ECDH parameter determination */ - c->ecdh_tmp_auto = 1; - return 1; -# else - SSLerr(SSL_F_CHECK_SUITEB_CIPHER_LIST, - SSL_R_ECDH_REQUIRED_FOR_SUITEB_MODE); - return 0; -# endif -} -#endif - -STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method, STACK_OF(SSL_CIPHER) - **cipher_list, STACK_OF(SSL_CIPHER) - **cipher_list_by_id, - const char *rule_str, CERT *c) -{ - int ok, num_of_ciphers, num_of_alias_max, num_of_group_aliases; - unsigned long disabled_mkey, disabled_auth, disabled_enc, disabled_mac, - disabled_ssl; - STACK_OF(SSL_CIPHER) *cipherstack, *tmp_cipher_list; - const char *rule_p; - CIPHER_ORDER *co_list = NULL, *head = NULL, *tail = NULL, *curr; - const SSL_CIPHER **ca_list = NULL; - - /* - * Return with error if nothing to do. - */ - if (rule_str == NULL || cipher_list == NULL || cipher_list_by_id == NULL) - return NULL; -#ifndef OPENSSL_NO_EC - if (!check_suiteb_cipher_list(ssl_method, c, &rule_str)) - return NULL; -#endif - - /* - * To reduce the work to do we only want to process the compiled - * in algorithms, so we first get the mask of disabled ciphers. - */ - ssl_cipher_get_disabled(&disabled_mkey, &disabled_auth, &disabled_enc, - &disabled_mac, &disabled_ssl); - - /* - * Now we have to collect the available ciphers from the compiled - * in ciphers. We cannot get more than the number compiled in, so - * it is used for allocation. - */ - num_of_ciphers = ssl_method->num_ciphers(); -#ifdef KSSL_DEBUG - fprintf(stderr, "ssl_create_cipher_list() for %d ciphers\n", - num_of_ciphers); -#endif /* KSSL_DEBUG */ - co_list = - (CIPHER_ORDER *)OPENSSL_malloc(sizeof(CIPHER_ORDER) * num_of_ciphers); - if (co_list == NULL) { - SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE); - return (NULL); /* Failure */ - } - - ssl_cipher_collect_ciphers(ssl_method, num_of_ciphers, - disabled_mkey, disabled_auth, disabled_enc, - disabled_mac, disabled_ssl, co_list, &head, - &tail); - - /* Now arrange all ciphers by preference: */ - - /* - * Everything else being equal, prefer ephemeral ECDH over other key - * exchange mechanisms - */ - ssl_cipher_apply_rule(0, SSL_kEECDH, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head, - &tail); - ssl_cipher_apply_rule(0, SSL_kEECDH, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head, - &tail); - - /* AES is our preferred symmetric cipher */ - ssl_cipher_apply_rule(0, 0, 0, SSL_AES, 0, 0, 0, CIPHER_ADD, -1, &head, - &tail); - - /* Temporarily enable everything else for sorting */ - ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head, &tail); - - /* Low priority for MD5 */ - ssl_cipher_apply_rule(0, 0, 0, 0, SSL_MD5, 0, 0, CIPHER_ORD, -1, &head, - &tail); - - /* - * Move anonymous ciphers to the end. Usually, these will remain - * disabled. (For applications that allow them, they aren't too bad, but - * we prefer authenticated ciphers.) - */ - ssl_cipher_apply_rule(0, 0, SSL_aNULL, 0, 0, 0, 0, CIPHER_ORD, -1, &head, - &tail); - - /* Move ciphers without forward secrecy to the end */ - ssl_cipher_apply_rule(0, 0, SSL_aECDH, 0, 0, 0, 0, CIPHER_ORD, -1, &head, - &tail); - /* - * ssl_cipher_apply_rule(0, 0, SSL_aDH, 0, 0, 0, 0, CIPHER_ORD, -1, - * &head, &tail); - */ - ssl_cipher_apply_rule(0, SSL_kRSA, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head, - &tail); - ssl_cipher_apply_rule(0, SSL_kPSK, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head, - &tail); - ssl_cipher_apply_rule(0, SSL_kKRB5, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head, - &tail); - - /* RC4 is sort-of broken -- move the the end */ - ssl_cipher_apply_rule(0, 0, 0, SSL_RC4, 0, 0, 0, CIPHER_ORD, -1, &head, - &tail); - - /* - * Now sort by symmetric encryption strength. The above ordering remains - * in force within each class - */ - if (!ssl_cipher_strength_sort(&head, &tail)) { - OPENSSL_free(co_list); - return NULL; - } - - /* Now disable everything (maintaining the ordering!) */ - ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head, &tail); - - /* - * We also need cipher aliases for selecting based on the rule_str. - * There might be two types of entries in the rule_str: 1) names - * of ciphers themselves 2) aliases for groups of ciphers. - * For 1) we need the available ciphers and for 2) the cipher - * groups of cipher_aliases added together in one list (otherwise - * we would be happy with just the cipher_aliases table). - */ - num_of_group_aliases = sizeof(cipher_aliases) / sizeof(SSL_CIPHER); - num_of_alias_max = num_of_ciphers + num_of_group_aliases + 1; - ca_list = OPENSSL_malloc(sizeof(SSL_CIPHER *) * num_of_alias_max); - if (ca_list == NULL) { - OPENSSL_free(co_list); - SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE); - return (NULL); /* Failure */ - } - ssl_cipher_collect_aliases(ca_list, num_of_group_aliases, - disabled_mkey, disabled_auth, disabled_enc, - disabled_mac, disabled_ssl, head); - - /* - * If the rule_string begins with DEFAULT, apply the default rule - * before using the (possibly available) additional rules. - */ - ok = 1; - rule_p = rule_str; - if (strncmp(rule_str, "DEFAULT", 7) == 0) { - ok = ssl_cipher_process_rulestr(SSL_DEFAULT_CIPHER_LIST, - &head, &tail, ca_list); - rule_p += 7; - if (*rule_p == ':') - rule_p++; - } - - if (ok && (strlen(rule_p) > 0)) - ok = ssl_cipher_process_rulestr(rule_p, &head, &tail, ca_list); - - OPENSSL_free((void *)ca_list); /* Not needed anymore */ - - if (!ok) { /* Rule processing failure */ - OPENSSL_free(co_list); - return (NULL); - } - - /* - * Allocate new "cipherstack" for the result, return with error - * if we cannot get one. - */ - if ((cipherstack = sk_SSL_CIPHER_new_null()) == NULL) { - OPENSSL_free(co_list); - return (NULL); - } - - /* - * The cipher selection for the list is done. The ciphers are added - * to the resulting precedence to the STACK_OF(SSL_CIPHER). - */ - for (curr = head; curr != NULL; curr = curr->next) { -#ifdef OPENSSL_FIPS - if (curr->active - && (!FIPS_mode() || curr->cipher->algo_strength & SSL_FIPS)) -#else - if (curr->active) -#endif - { - sk_SSL_CIPHER_push(cipherstack, curr->cipher); -#ifdef CIPHER_DEBUG - fprintf(stderr, "<%s>\n", curr->cipher->name); -#endif - } - } - OPENSSL_free(co_list); /* Not needed any longer */ - - tmp_cipher_list = sk_SSL_CIPHER_dup(cipherstack); - if (tmp_cipher_list == NULL) { - sk_SSL_CIPHER_free(cipherstack); - return NULL; - } - if (*cipher_list != NULL) - sk_SSL_CIPHER_free(*cipher_list); - *cipher_list = cipherstack; - if (*cipher_list_by_id != NULL) - sk_SSL_CIPHER_free(*cipher_list_by_id); - *cipher_list_by_id = tmp_cipher_list; - (void)sk_SSL_CIPHER_set_cmp_func(*cipher_list_by_id, - ssl_cipher_ptr_id_cmp); - - sk_SSL_CIPHER_sort(*cipher_list_by_id); - return (cipherstack); -} - -char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len) -{ - int is_export, pkl, kl; - const char *ver, *exp_str; - const char *kx, *au, *enc, *mac; - unsigned long alg_mkey, alg_auth, alg_enc, alg_mac, alg_ssl, alg2; -#ifdef KSSL_DEBUG - static const char *format = - "%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s%s AL=%lx/%lx/%lx/%lx/%lx\n"; -#else - static const char *format = - "%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s%s\n"; -#endif /* KSSL_DEBUG */ - - alg_mkey = cipher->algorithm_mkey; - alg_auth = cipher->algorithm_auth; - alg_enc = cipher->algorithm_enc; - alg_mac = cipher->algorithm_mac; - alg_ssl = cipher->algorithm_ssl; - - alg2 = cipher->algorithm2; - - is_export = SSL_C_IS_EXPORT(cipher); - pkl = SSL_C_EXPORT_PKEYLENGTH(cipher); - kl = SSL_C_EXPORT_KEYLENGTH(cipher); - exp_str = is_export ? " export" : ""; - - if (alg_ssl & SSL_SSLV2) - ver = "SSLv2"; - else if (alg_ssl & SSL_SSLV3) - ver = "SSLv3"; - else if (alg_ssl & SSL_TLSV1_2) - ver = "TLSv1.2"; - else - ver = "unknown"; - - switch (alg_mkey) { - case SSL_kRSA: - kx = is_export ? (pkl == 512 ? "RSA(512)" : "RSA(1024)") : "RSA"; - break; - case SSL_kDHr: - kx = "DH/RSA"; - break; - case SSL_kDHd: - kx = "DH/DSS"; - break; - case SSL_kKRB5: - kx = "KRB5"; - break; - case SSL_kEDH: - kx = is_export ? (pkl == 512 ? "DH(512)" : "DH(1024)") : "DH"; - break; - case SSL_kECDHr: - kx = "ECDH/RSA"; - break; - case SSL_kECDHe: - kx = "ECDH/ECDSA"; - break; - case SSL_kEECDH: - kx = "ECDH"; - break; - case SSL_kPSK: - kx = "PSK"; - break; - case SSL_kSRP: - kx = "SRP"; - break; - case SSL_kGOST: - kx = "GOST"; - break; - default: - kx = "unknown"; - } - - switch (alg_auth) { - case SSL_aRSA: - au = "RSA"; - break; - case SSL_aDSS: - au = "DSS"; - break; - case SSL_aDH: - au = "DH"; - break; - case SSL_aKRB5: - au = "KRB5"; - break; - case SSL_aECDH: - au = "ECDH"; - break; - case SSL_aNULL: - au = "None"; - break; - case SSL_aECDSA: - au = "ECDSA"; - break; - case SSL_aPSK: - au = "PSK"; - break; - case SSL_aSRP: - au = "SRP"; - break; - case SSL_aGOST94: - au = "GOST94"; - break; - case SSL_aGOST01: - au = "GOST01"; - break; - default: - au = "unknown"; - break; - } - - switch (alg_enc) { - case SSL_DES: - enc = (is_export && kl == 5) ? "DES(40)" : "DES(56)"; - break; - case SSL_3DES: - enc = "3DES(168)"; - break; - case SSL_RC4: - enc = is_export ? (kl == 5 ? "RC4(40)" : "RC4(56)") - : ((alg2 & SSL2_CF_8_BYTE_ENC) ? "RC4(64)" : "RC4(128)"); - break; - case SSL_RC2: - enc = is_export ? (kl == 5 ? "RC2(40)" : "RC2(56)") : "RC2(128)"; - break; - case SSL_IDEA: - enc = "IDEA(128)"; - break; - case SSL_eNULL: - enc = "None"; - break; - case SSL_AES128: - enc = "AES(128)"; - break; - case SSL_AES256: - enc = "AES(256)"; - break; - case SSL_AES128GCM: - enc = "AESGCM(128)"; - break; - case SSL_AES256GCM: - enc = "AESGCM(256)"; - break; - case SSL_CAMELLIA128: - enc = "Camellia(128)"; - break; - case SSL_CAMELLIA256: - enc = "Camellia(256)"; - break; - case SSL_SEED: - enc = "SEED(128)"; - break; - case SSL_eGOST2814789CNT: - enc = "GOST89(256)"; - break; - default: - enc = "unknown"; - break; - } - - switch (alg_mac) { - case SSL_MD5: - mac = "MD5"; - break; - case SSL_SHA1: - mac = "SHA1"; - break; - case SSL_SHA256: - mac = "SHA256"; - break; - case SSL_SHA384: - mac = "SHA384"; - break; - case SSL_AEAD: - mac = "AEAD"; - break; - case SSL_GOST89MAC: - mac = "GOST89"; - break; - case SSL_GOST94: - mac = "GOST94"; - break; - default: - mac = "unknown"; - break; - } - - if (buf == NULL) { - len = 128; - buf = OPENSSL_malloc(len); - if (buf == NULL) - return ("OPENSSL_malloc Error"); - } else if (len < 128) - return ("Buffer too small"); - -#ifdef KSSL_DEBUG - BIO_snprintf(buf, len, format, cipher->name, ver, kx, au, enc, mac, - exp_str, alg_mkey, alg_auth, alg_enc, alg_mac, alg_ssl); -#else - BIO_snprintf(buf, len, format, cipher->name, ver, kx, au, enc, mac, - exp_str); -#endif /* KSSL_DEBUG */ - return (buf); -} - -char *SSL_CIPHER_get_version(const SSL_CIPHER *c) -{ - int i; - - if (c == NULL) - return ("(NONE)"); - i = (int)(c->id >> 24L); - if (i == 3) - return ("TLSv1/SSLv3"); - else if (i == 2) - return ("SSLv2"); - else - return ("unknown"); -} - -/* return the actual cipher being used */ -const char *SSL_CIPHER_get_name(const SSL_CIPHER *c) -{ - if (c != NULL) - return (c->name); - return ("(NONE)"); -} - -/* number of bits for symmetric cipher */ -int SSL_CIPHER_get_bits(const SSL_CIPHER *c, int *alg_bits) -{ - int ret = 0; - - if (c != NULL) { - if (alg_bits != NULL) - *alg_bits = c->alg_bits; - ret = c->strength_bits; - } - return (ret); -} - -unsigned long SSL_CIPHER_get_id(const SSL_CIPHER *c) -{ - return c->id; -} - -SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n) -{ - SSL_COMP *ctmp; - int i, nn; - - if ((n == 0) || (sk == NULL)) - return (NULL); - nn = sk_SSL_COMP_num(sk); - for (i = 0; i < nn; i++) { - ctmp = sk_SSL_COMP_value(sk, i); - if (ctmp->id == n) - return (ctmp); - } - return (NULL); -} - -#ifdef OPENSSL_NO_COMP -STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void) -{ - return NULL; -} - -STACK_OF(SSL_COMP) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP) - *meths) -{ - return NULL; -} - -void SSL_COMP_free_compression_methods(void) -{ -} - -int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm) -{ - return 1; -} - -const char *SSL_COMP_get_name(const COMP_METHOD *comp) -{ - return NULL; -} -#else -STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void) -{ - load_builtin_compressions(); - return (ssl_comp_methods); -} - -STACK_OF(SSL_COMP) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP) - *meths) -{ - STACK_OF(SSL_COMP) *old_meths = ssl_comp_methods; - ssl_comp_methods = meths; - return old_meths; -} - -static void cmeth_free(SSL_COMP *cm) -{ - OPENSSL_free(cm); -} - -void SSL_COMP_free_compression_methods(void) -{ - STACK_OF(SSL_COMP) *old_meths = ssl_comp_methods; - ssl_comp_methods = NULL; - sk_SSL_COMP_pop_free(old_meths, cmeth_free); -} - -int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm) -{ - SSL_COMP *comp; - - if (cm == NULL || cm->type == NID_undef) - return 1; - - /*- - * According to draft-ietf-tls-compression-04.txt, the - * compression number ranges should be the following: - * - * 0 to 63: methods defined by the IETF - * 64 to 192: external party methods assigned by IANA - * 193 to 255: reserved for private use - */ - if (id < 193 || id > 255) { - SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD, - SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE); - return 1; - } - - MemCheck_off(); - comp = (SSL_COMP *)OPENSSL_malloc(sizeof(SSL_COMP)); - if (comp == NULL) { - MemCheck_on(); - SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD, ERR_R_MALLOC_FAILURE); - return 1; - } - comp->id = id; - comp->method = cm; - comp->name = cm->name; - load_builtin_compressions(); - if (ssl_comp_methods && sk_SSL_COMP_find(ssl_comp_methods, comp) >= 0) { - OPENSSL_free(comp); - MemCheck_on(); - SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD, - SSL_R_DUPLICATE_COMPRESSION_ID); - return (1); - } else if ((ssl_comp_methods == NULL) - || !sk_SSL_COMP_push(ssl_comp_methods, comp)) { - OPENSSL_free(comp); - MemCheck_on(); - SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD, ERR_R_MALLOC_FAILURE); - return (1); - } else { - MemCheck_on(); - return (0); - } -} - -const char *SSL_COMP_get_name(const COMP_METHOD *comp) -{ - if (comp) - return comp->name; - return NULL; -} -#endif -/* For a cipher return the index corresponding to the certificate type */ -int ssl_cipher_get_cert_index(const SSL_CIPHER *c) -{ - unsigned long alg_k, alg_a; - - alg_k = c->algorithm_mkey; - alg_a = c->algorithm_auth; - - if (alg_k & (SSL_kECDHr | SSL_kECDHe)) { - /* - * we don't need to look at SSL_kEECDH since no certificate is needed - * for anon ECDH and for authenticated EECDH, the check for the auth - * algorithm will set i correctly NOTE: For ECDH-RSA, we need an ECC - * not an RSA cert but for EECDH-RSA we need an RSA cert. Placing the - * checks for SSL_kECDH before RSA checks ensures the correct cert is - * chosen. - */ - return SSL_PKEY_ECC; - } else if (alg_a & SSL_aECDSA) - return SSL_PKEY_ECC; - else if (alg_k & SSL_kDHr) - return SSL_PKEY_DH_RSA; - else if (alg_k & SSL_kDHd) - return SSL_PKEY_DH_DSA; - else if (alg_a & SSL_aDSS) - return SSL_PKEY_DSA_SIGN; - else if (alg_a & SSL_aRSA) - return SSL_PKEY_RSA_ENC; - else if (alg_a & SSL_aKRB5) - /* VRS something else here? */ - return -1; - else if (alg_a & SSL_aGOST94) - return SSL_PKEY_GOST94; - else if (alg_a & SSL_aGOST01) - return SSL_PKEY_GOST01; - return -1; -} - -const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr) -{ - const SSL_CIPHER *c; - c = ssl->method->get_cipher_by_char(ptr); - if (c == NULL || c->valid == 0) - return NULL; - return c; -} - -const SSL_CIPHER *SSL_CIPHER_find(SSL *ssl, const unsigned char *ptr) -{ - return ssl->method->get_cipher_by_char(ptr); -} |