diff options
Diffstat (limited to 'deps/openssl/openssl/ssl/ssl_ciph.c')
| -rw-r--r-- | deps/openssl/openssl/ssl/ssl_ciph.c | 644 |
1 files changed, 423 insertions, 221 deletions
diff --git a/deps/openssl/openssl/ssl/ssl_ciph.c b/deps/openssl/openssl/ssl/ssl_ciph.c index b8da982105..14066d0ea4 100644 --- a/deps/openssl/openssl/ssl/ssl_ciph.c +++ b/deps/openssl/openssl/ssl/ssl_ciph.c @@ -1,5 +1,7 @@ /* * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. + * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved + * Copyright 2005 Nokia. All rights reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy @@ -7,46 +9,17 @@ * https://www.openssl.org/source/license.html */ -/* ==================================================================== - * 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 <ctype.h> #include <openssl/objects.h> #include <openssl/comp.h> #include <openssl/engine.h> #include <openssl/crypto.h> +#include <openssl/conf.h> +#include "internal/nelem.h" #include "ssl_locl.h" #include "internal/thread_once.h" +#include "internal/cryptlib.h" #define SSL_ENC_DES_IDX 0 #define SSL_ENC_3DES_IDX 1 @@ -68,7 +41,9 @@ #define SSL_ENC_AES256CCM8_IDX 17 #define SSL_ENC_GOST8912_IDX 18 #define SSL_ENC_CHACHA_IDX 19 -#define SSL_ENC_NUM_IDX 20 +#define SSL_ENC_ARIA128GCM_IDX 20 +#define SSL_ENC_ARIA256GCM_IDX 21 +#define SSL_ENC_NUM_IDX 22 /* NB: make sure indices in these tables match values above */ @@ -97,8 +72,10 @@ static const ssl_cipher_table ssl_cipher_table_cipher[SSL_ENC_NUM_IDX] = { {SSL_AES256CCM, NID_aes_256_ccm}, /* SSL_ENC_AES256CCM_IDX 15 */ {SSL_AES128CCM8, NID_aes_128_ccm}, /* SSL_ENC_AES128CCM8_IDX 16 */ {SSL_AES256CCM8, NID_aes_256_ccm}, /* SSL_ENC_AES256CCM8_IDX 17 */ - {SSL_eGOST2814789CNT12, NID_gost89_cnt_12}, /* SSL_ENC_GOST8912_IDX */ - {SSL_CHACHA20POLY1305, NID_chacha20_poly1305}, + {SSL_eGOST2814789CNT12, NID_gost89_cnt_12}, /* SSL_ENC_GOST8912_IDX 18 */ + {SSL_CHACHA20POLY1305, NID_chacha20_poly1305}, /* SSL_ENC_CHACHA_IDX 19 */ + {SSL_ARIA128GCM, NID_aria_128_gcm}, /* SSL_ENC_ARIA128GCM_IDX 20 */ + {SSL_ARIA256GCM, NID_aria_256_gcm}, /* SSL_ENC_ARIA256GCM_IDX 21 */ }; static const EVP_CIPHER *ssl_cipher_methods[SSL_ENC_NUM_IDX]; @@ -150,7 +127,8 @@ static const ssl_cipher_table ssl_cipher_table_kx[] = { {SSL_kRSAPSK, NID_kx_rsa_psk}, {SSL_kPSK, NID_kx_psk}, {SSL_kSRP, NID_kx_srp}, - {SSL_kGOST, NID_kx_gost} + {SSL_kGOST, NID_kx_gost}, + {SSL_kANY, NID_kx_any} }; static const ssl_cipher_table ssl_cipher_table_auth[] = { @@ -161,7 +139,8 @@ static const ssl_cipher_table ssl_cipher_table_auth[] = { {SSL_aGOST01, NID_auth_gost01}, {SSL_aGOST12, NID_auth_gost12}, {SSL_aSRP, NID_auth_srp}, - {SSL_aNULL, NID_auth_null} + {SSL_aNULL, NID_auth_null}, + {SSL_aANY, NID_auth_any} }; /* *INDENT-ON* */ @@ -172,7 +151,7 @@ static int ssl_cipher_info_find(const ssl_cipher_table * table, size_t i; for (i = 0; i < table_cnt; i++, table++) { if (table->mask == mask) - return i; + return (int)i; } return -1; } @@ -194,7 +173,7 @@ static int ssl_mac_pkey_id[SSL_MD_NUM_IDX] = { EVP_PKEY_HMAC, }; -static int ssl_mac_secret_size[SSL_MD_NUM_IDX]; +static size_t ssl_mac_secret_size[SSL_MD_NUM_IDX]; #define CIPHER_ADD 1 #define CIPHER_KILL 2 @@ -216,112 +195,117 @@ typedef struct cipher_order_st { 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, SSL_TXT_ALL, NULL, 0, 0, 0, ~SSL_eNULL}, /* "COMPLEMENTOFALL" */ - {0, SSL_TXT_CMPALL, 0, 0, 0, SSL_eNULL}, + {0, SSL_TXT_CMPALL, NULL, 0, 0, 0, SSL_eNULL}, /* * "COMPLEMENTOFDEFAULT" (does *not* include ciphersuites not found in * ALL!) */ - {0, SSL_TXT_CMPDEF, 0, 0, 0, 0, 0, 0, 0, 0, 0, SSL_NOT_DEFAULT}, + {0, SSL_TXT_CMPDEF, NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, SSL_NOT_DEFAULT}, /* * key exchange aliases (some of those using only a single bit here * combine multiple key exchange algs according to the RFCs, e.g. kDHE * combines DHE_DSS and DHE_RSA) */ - {0, SSL_TXT_kRSA, 0, SSL_kRSA}, + {0, SSL_TXT_kRSA, NULL, 0, SSL_kRSA}, - {0, SSL_TXT_kEDH, 0, SSL_kDHE}, - {0, SSL_TXT_kDHE, 0, SSL_kDHE}, - {0, SSL_TXT_DH, 0, SSL_kDHE}, + {0, SSL_TXT_kEDH, NULL, 0, SSL_kDHE}, + {0, SSL_TXT_kDHE, NULL, 0, SSL_kDHE}, + {0, SSL_TXT_DH, NULL, 0, SSL_kDHE}, - {0, SSL_TXT_kEECDH, 0, SSL_kECDHE}, - {0, SSL_TXT_kECDHE, 0, SSL_kECDHE}, - {0, SSL_TXT_ECDH, 0, SSL_kECDHE}, + {0, SSL_TXT_kEECDH, NULL, 0, SSL_kECDHE}, + {0, SSL_TXT_kECDHE, NULL, 0, SSL_kECDHE}, + {0, SSL_TXT_ECDH, NULL, 0, SSL_kECDHE}, - {0, SSL_TXT_kPSK, 0, SSL_kPSK}, - {0, SSL_TXT_kRSAPSK, 0, SSL_kRSAPSK}, - {0, SSL_TXT_kECDHEPSK, 0, SSL_kECDHEPSK}, - {0, SSL_TXT_kDHEPSK, 0, SSL_kDHEPSK}, - {0, SSL_TXT_kSRP, 0, SSL_kSRP}, - {0, SSL_TXT_kGOST, 0, SSL_kGOST}, + {0, SSL_TXT_kPSK, NULL, 0, SSL_kPSK}, + {0, SSL_TXT_kRSAPSK, NULL, 0, SSL_kRSAPSK}, + {0, SSL_TXT_kECDHEPSK, NULL, 0, SSL_kECDHEPSK}, + {0, SSL_TXT_kDHEPSK, NULL, 0, SSL_kDHEPSK}, + {0, SSL_TXT_kSRP, NULL, 0, SSL_kSRP}, + {0, SSL_TXT_kGOST, NULL, 0, SSL_kGOST}, /* server authentication aliases */ - {0, SSL_TXT_aRSA, 0, 0, SSL_aRSA}, - {0, SSL_TXT_aDSS, 0, 0, SSL_aDSS}, - {0, SSL_TXT_DSS, 0, 0, SSL_aDSS}, - {0, SSL_TXT_aNULL, 0, 0, SSL_aNULL}, - {0, SSL_TXT_aECDSA, 0, 0, SSL_aECDSA}, - {0, SSL_TXT_ECDSA, 0, 0, SSL_aECDSA}, - {0, SSL_TXT_aPSK, 0, 0, SSL_aPSK}, - {0, SSL_TXT_aGOST01, 0, 0, SSL_aGOST01}, - {0, SSL_TXT_aGOST12, 0, 0, SSL_aGOST12}, - {0, SSL_TXT_aGOST, 0, 0, SSL_aGOST01 | SSL_aGOST12}, - {0, SSL_TXT_aSRP, 0, 0, SSL_aSRP}, + {0, SSL_TXT_aRSA, NULL, 0, 0, SSL_aRSA}, + {0, SSL_TXT_aDSS, NULL, 0, 0, SSL_aDSS}, + {0, SSL_TXT_DSS, NULL, 0, 0, SSL_aDSS}, + {0, SSL_TXT_aNULL, NULL, 0, 0, SSL_aNULL}, + {0, SSL_TXT_aECDSA, NULL, 0, 0, SSL_aECDSA}, + {0, SSL_TXT_ECDSA, NULL, 0, 0, SSL_aECDSA}, + {0, SSL_TXT_aPSK, NULL, 0, 0, SSL_aPSK}, + {0, SSL_TXT_aGOST01, NULL, 0, 0, SSL_aGOST01}, + {0, SSL_TXT_aGOST12, NULL, 0, 0, SSL_aGOST12}, + {0, SSL_TXT_aGOST, NULL, 0, 0, SSL_aGOST01 | SSL_aGOST12}, + {0, SSL_TXT_aSRP, NULL, 0, 0, SSL_aSRP}, /* aliases combining key exchange and server authentication */ - {0, SSL_TXT_EDH, 0, SSL_kDHE, ~SSL_aNULL}, - {0, SSL_TXT_DHE, 0, SSL_kDHE, ~SSL_aNULL}, - {0, SSL_TXT_EECDH, 0, SSL_kECDHE, ~SSL_aNULL}, - {0, SSL_TXT_ECDHE, 0, SSL_kECDHE, ~SSL_aNULL}, - {0, SSL_TXT_NULL, 0, 0, 0, SSL_eNULL}, - {0, SSL_TXT_RSA, 0, SSL_kRSA, SSL_aRSA}, - {0, SSL_TXT_ADH, 0, SSL_kDHE, SSL_aNULL}, - {0, SSL_TXT_AECDH, 0, SSL_kECDHE, SSL_aNULL}, - {0, SSL_TXT_PSK, 0, SSL_PSK}, - {0, SSL_TXT_SRP, 0, SSL_kSRP}, + {0, SSL_TXT_EDH, NULL, 0, SSL_kDHE, ~SSL_aNULL}, + {0, SSL_TXT_DHE, NULL, 0, SSL_kDHE, ~SSL_aNULL}, + {0, SSL_TXT_EECDH, NULL, 0, SSL_kECDHE, ~SSL_aNULL}, + {0, SSL_TXT_ECDHE, NULL, 0, SSL_kECDHE, ~SSL_aNULL}, + {0, SSL_TXT_NULL, NULL, 0, 0, 0, SSL_eNULL}, + {0, SSL_TXT_RSA, NULL, 0, SSL_kRSA, SSL_aRSA}, + {0, SSL_TXT_ADH, NULL, 0, SSL_kDHE, SSL_aNULL}, + {0, SSL_TXT_AECDH, NULL, 0, SSL_kECDHE, SSL_aNULL}, + {0, SSL_TXT_PSK, NULL, 0, SSL_PSK}, + {0, SSL_TXT_SRP, NULL, 0, SSL_kSRP}, /* symmetric encryption aliases */ - {0, SSL_TXT_3DES, 0, 0, 0, SSL_3DES}, - {0, SSL_TXT_RC4, 0, 0, 0, SSL_RC4}, - {0, SSL_TXT_RC2, 0, 0, 0, SSL_RC2}, - {0, SSL_TXT_IDEA, 0, 0, 0, SSL_IDEA}, - {0, SSL_TXT_SEED, 0, 0, 0, SSL_SEED}, - {0, SSL_TXT_eNULL, 0, 0, 0, SSL_eNULL}, - {0, SSL_TXT_GOST, 0, 0, 0, SSL_eGOST2814789CNT | SSL_eGOST2814789CNT12}, - {0, SSL_TXT_AES128, 0, 0, 0, + {0, SSL_TXT_3DES, NULL, 0, 0, 0, SSL_3DES}, + {0, SSL_TXT_RC4, NULL, 0, 0, 0, SSL_RC4}, + {0, SSL_TXT_RC2, NULL, 0, 0, 0, SSL_RC2}, + {0, SSL_TXT_IDEA, NULL, 0, 0, 0, SSL_IDEA}, + {0, SSL_TXT_SEED, NULL, 0, 0, 0, SSL_SEED}, + {0, SSL_TXT_eNULL, NULL, 0, 0, 0, SSL_eNULL}, + {0, SSL_TXT_GOST, NULL, 0, 0, 0, SSL_eGOST2814789CNT | SSL_eGOST2814789CNT12}, + {0, SSL_TXT_AES128, NULL, 0, 0, 0, SSL_AES128 | SSL_AES128GCM | SSL_AES128CCM | SSL_AES128CCM8}, - {0, SSL_TXT_AES256, 0, 0, 0, + {0, SSL_TXT_AES256, NULL, 0, 0, 0, SSL_AES256 | SSL_AES256GCM | SSL_AES256CCM | SSL_AES256CCM8}, - {0, SSL_TXT_AES, 0, 0, 0, SSL_AES}, - {0, SSL_TXT_AES_GCM, 0, 0, 0, SSL_AES128GCM | SSL_AES256GCM}, - {0, SSL_TXT_AES_CCM, 0, 0, 0, + {0, SSL_TXT_AES, NULL, 0, 0, 0, SSL_AES}, + {0, SSL_TXT_AES_GCM, NULL, 0, 0, 0, SSL_AES128GCM | SSL_AES256GCM}, + {0, SSL_TXT_AES_CCM, NULL, 0, 0, 0, SSL_AES128CCM | SSL_AES256CCM | SSL_AES128CCM8 | SSL_AES256CCM8}, - {0, SSL_TXT_AES_CCM_8, 0, 0, 0, SSL_AES128CCM8 | SSL_AES256CCM8}, - {0, SSL_TXT_CAMELLIA128, 0, 0, 0, SSL_CAMELLIA128}, - {0, SSL_TXT_CAMELLIA256, 0, 0, 0, SSL_CAMELLIA256}, - {0, SSL_TXT_CAMELLIA, 0, 0, 0, SSL_CAMELLIA}, - {0, SSL_TXT_CHACHA20, 0, 0, 0, SSL_CHACHA20}, + {0, SSL_TXT_AES_CCM_8, NULL, 0, 0, 0, SSL_AES128CCM8 | SSL_AES256CCM8}, + {0, SSL_TXT_CAMELLIA128, NULL, 0, 0, 0, SSL_CAMELLIA128}, + {0, SSL_TXT_CAMELLIA256, NULL, 0, 0, 0, SSL_CAMELLIA256}, + {0, SSL_TXT_CAMELLIA, NULL, 0, 0, 0, SSL_CAMELLIA}, + {0, SSL_TXT_CHACHA20, NULL, 0, 0, 0, SSL_CHACHA20}, + + {0, SSL_TXT_ARIA, NULL, 0, 0, 0, SSL_ARIA}, + {0, SSL_TXT_ARIA_GCM, NULL, 0, 0, 0, SSL_ARIA128GCM | SSL_ARIA256GCM}, + {0, SSL_TXT_ARIA128, NULL, 0, 0, 0, SSL_ARIA128GCM}, + {0, SSL_TXT_ARIA256, NULL, 0, 0, 0, SSL_ARIA256GCM}, /* MAC aliases */ - {0, SSL_TXT_MD5, 0, 0, 0, 0, SSL_MD5}, - {0, SSL_TXT_SHA1, 0, 0, 0, 0, SSL_SHA1}, - {0, SSL_TXT_SHA, 0, 0, 0, 0, SSL_SHA1}, - {0, SSL_TXT_GOST94, 0, 0, 0, 0, SSL_GOST94}, - {0, SSL_TXT_GOST89MAC, 0, 0, 0, 0, SSL_GOST89MAC | SSL_GOST89MAC12}, - {0, SSL_TXT_SHA256, 0, 0, 0, 0, SSL_SHA256}, - {0, SSL_TXT_SHA384, 0, 0, 0, 0, SSL_SHA384}, - {0, SSL_TXT_GOST12, 0, 0, 0, 0, SSL_GOST12_256}, + {0, SSL_TXT_MD5, NULL, 0, 0, 0, 0, SSL_MD5}, + {0, SSL_TXT_SHA1, NULL, 0, 0, 0, 0, SSL_SHA1}, + {0, SSL_TXT_SHA, NULL, 0, 0, 0, 0, SSL_SHA1}, + {0, SSL_TXT_GOST94, NULL, 0, 0, 0, 0, SSL_GOST94}, + {0, SSL_TXT_GOST89MAC, NULL, 0, 0, 0, 0, SSL_GOST89MAC | SSL_GOST89MAC12}, + {0, SSL_TXT_SHA256, NULL, 0, 0, 0, 0, SSL_SHA256}, + {0, SSL_TXT_SHA384, NULL, 0, 0, 0, 0, SSL_SHA384}, + {0, SSL_TXT_GOST12, NULL, 0, 0, 0, 0, SSL_GOST12_256}, /* protocol version aliases */ - {0, SSL_TXT_SSLV3, 0, 0, 0, 0, 0, SSL3_VERSION}, - {0, SSL_TXT_TLSV1, 0, 0, 0, 0, 0, TLS1_VERSION}, - {0, "TLSv1.0", 0, 0, 0, 0, 0, TLS1_VERSION}, - {0, SSL_TXT_TLSV1_2, 0, 0, 0, 0, 0, TLS1_2_VERSION}, + {0, SSL_TXT_SSLV3, NULL, 0, 0, 0, 0, 0, SSL3_VERSION}, + {0, SSL_TXT_TLSV1, NULL, 0, 0, 0, 0, 0, TLS1_VERSION}, + {0, "TLSv1.0", NULL, 0, 0, 0, 0, 0, TLS1_VERSION}, + {0, SSL_TXT_TLSV1_2, NULL, 0, 0, 0, 0, 0, TLS1_2_VERSION}, /* strength classes */ - {0, SSL_TXT_LOW, 0, 0, 0, 0, 0, 0, 0, 0, 0, SSL_LOW}, - {0, SSL_TXT_MEDIUM, 0, 0, 0, 0, 0, 0, 0, 0, 0, SSL_MEDIUM}, - {0, SSL_TXT_HIGH, 0, 0, 0, 0, 0, 0, 0, 0, 0, SSL_HIGH}, + {0, SSL_TXT_LOW, NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, SSL_LOW}, + {0, SSL_TXT_MEDIUM, NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, SSL_MEDIUM}, + {0, SSL_TXT_HIGH, NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, SSL_HIGH}, /* FIPS 140-2 approved ciphersuite */ - {0, SSL_TXT_FIPS, 0, 0, 0, ~SSL_eNULL, 0, 0, 0, 0, 0, SSL_FIPS}, + {0, SSL_TXT_FIPS, NULL, 0, 0, 0, ~SSL_eNULL, 0, 0, 0, 0, 0, SSL_FIPS}, /* "EDH-" aliases to "DHE-" labels (for backward compatibility) */ - {0, SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA, 0, + {0, SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA, NULL, 0, SSL_kDHE, SSL_aDSS, SSL_3DES, SSL_SHA1, 0, 0, 0, 0, SSL_HIGH | SSL_FIPS}, - {0, SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA, 0, + {0, SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA, NULL, 0, SSL_kDHE, SSL_aRSA, SSL_3DES, SSL_SHA1, 0, 0, 0, 0, SSL_HIGH | SSL_FIPS}, }; @@ -338,9 +322,8 @@ static int get_optional_pkey_id(const char *pkey_name) 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) { + ameth) > 0) return pkey_id; - } return 0; } @@ -369,7 +352,7 @@ static uint32_t disabled_mac_mask; static uint32_t disabled_mkey_mask; static uint32_t disabled_auth_mask; -void ssl_load_ciphers(void) +int ssl_load_ciphers(void) { size_t i; const ssl_cipher_table *t; @@ -386,9 +369,6 @@ void ssl_load_ciphers(void) disabled_enc_mask |= t->mask; } } -#ifdef SSL_FORBID_ENULL - disabled_enc_mask |= SSL_eNULL; -#endif disabled_mac_mask = 0; for (i = 0, t = ssl_cipher_table_mac; i < SSL_MD_NUM_IDX; i++, t++) { const EVP_MD *md = EVP_get_digestbynid(t->nid); @@ -396,13 +376,17 @@ void ssl_load_ciphers(void) if (md == NULL) { disabled_mac_mask |= t->mask; } else { - ssl_mac_secret_size[i] = EVP_MD_size(md); - OPENSSL_assert(ssl_mac_secret_size[i] >= 0); + int tmpsize = EVP_MD_size(md); + if (!ossl_assert(tmpsize >= 0)) + return 0; + ssl_mac_secret_size[i] = tmpsize; } } /* Make sure we can access MD5 and SHA1 */ - OPENSSL_assert(ssl_digest_methods[SSL_MD_MD5_IDX] != NULL); - OPENSSL_assert(ssl_digest_methods[SSL_MD_SHA1_IDX] != NULL); + if (!ossl_assert(ssl_digest_methods[SSL_MD_MD5_IDX] != NULL)) + return 0; + if (!ossl_assert(ssl_digest_methods[SSL_MD_SHA1_IDX] != NULL)) + return 0; disabled_mkey_mask = 0; disabled_auth_mask = 0; @@ -418,7 +402,7 @@ void ssl_load_ciphers(void) disabled_mkey_mask |= SSL_kDHE | SSL_kDHEPSK; #endif #ifdef OPENSSL_NO_EC - disabled_mkey_mask |= SSL_kECDHEPSK; + disabled_mkey_mask |= SSL_kECDHE | SSL_kECDHEPSK; disabled_auth_mask |= SSL_aECDSA; #endif #ifdef OPENSSL_NO_PSK @@ -434,19 +418,17 @@ void ssl_load_ciphers(void) * present, disable appropriate auth and key exchange */ ssl_mac_pkey_id[SSL_MD_GOST89MAC_IDX] = get_optional_pkey_id("gost-mac"); - if (ssl_mac_pkey_id[SSL_MD_GOST89MAC_IDX]) { + if (ssl_mac_pkey_id[SSL_MD_GOST89MAC_IDX]) ssl_mac_secret_size[SSL_MD_GOST89MAC_IDX] = 32; - } else { + else disabled_mac_mask |= SSL_GOST89MAC; - } ssl_mac_pkey_id[SSL_MD_GOST89MAC12_IDX] = get_optional_pkey_id("gost-mac-12"); - if (ssl_mac_pkey_id[SSL_MD_GOST89MAC12_IDX]) { + if (ssl_mac_pkey_id[SSL_MD_GOST89MAC12_IDX]) ssl_mac_secret_size[SSL_MD_GOST89MAC12_IDX] = 32; - } else { + else disabled_mac_mask |= SSL_GOST89MAC12; - } if (!get_optional_pkey_id("gost2001")) disabled_auth_mask |= SSL_aGOST01 | SSL_aGOST12; @@ -460,6 +442,8 @@ void ssl_load_ciphers(void) if ((disabled_auth_mask & (SSL_aGOST01 | SSL_aGOST12)) == (SSL_aGOST01 | SSL_aGOST12)) disabled_mkey_mask |= SSL_kGOST; + + return 1; } #ifndef OPENSSL_NO_COMP @@ -499,14 +483,14 @@ static int load_builtin_compressions(void) 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 use_etm) + size_t *mac_secret_size, SSL_COMP **comp, int use_etm) { int i; const SSL_CIPHER *c; c = s->cipher; if (c == NULL) - return (0); + return 0; if (comp != NULL) { SSL_COMP ctmp; #ifndef OPENSSL_NO_COMP @@ -521,10 +505,7 @@ int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, 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; + *comp = sk_SSL_COMP_value(ssl_comp_methods, i); } /* If were only interested in comp then return success */ if ((enc == NULL) && (md == NULL)) @@ -536,9 +517,9 @@ int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, i = ssl_cipher_info_lookup(ssl_cipher_table_cipher, c->algorithm_enc); - if (i == -1) + if (i == -1) { *enc = NULL; - else { + } else { if (i == SSL_ENC_NULL_IDX) *enc = EVP_enc_null(); else @@ -574,9 +555,6 @@ int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, s->ssl_version < TLS1_VERSION) return 1; - if (FIPS_mode()) - return 1; - if (c->algorithm_enc == SSL_RC4 && c->algorithm_mac == SSL_MD5 && (evp = EVP_get_cipherbyname("RC4-HMAC-MD5"))) @@ -597,9 +575,10 @@ int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, c->algorithm_mac == SSL_SHA256 && (evp = EVP_get_cipherbyname("AES-256-CBC-HMAC-SHA256"))) *enc = evp, *md = NULL; - return (1); - } else - return (0); + return 1; + } else { + return 0; + } } const EVP_MD *ssl_md(int idx) @@ -684,8 +663,6 @@ static void ssl_cipher_collect_ciphers(const SSL_METHOD *ssl_method, /* drop those that use any of that is not available */ if (c == NULL || !c->valid) continue; - if (FIPS_mode() && (c->algo_strength & SSL_FIPS)) - continue; if ((c->algorithm_mkey & disabled_mkey) || (c->algorithm_auth & disabled_auth) || (c->algorithm_enc & disabled_enc) || @@ -703,9 +680,6 @@ static void ssl_cipher_collect_ciphers(const SSL_METHOD *ssl_method, co_list[co_list_num].prev = NULL; co_list[co_list_num].active = 0; co_list_num++; - /* - * if (!sk_push(ca_list,(char *)c)) goto err; - */ } /* @@ -856,6 +830,8 @@ static void ssl_cipher_apply_rule(uint32_t cipher_id, uint32_t alg_mkey, cp->algorithm_enc, cp->algorithm_mac, cp->min_tls, cp->algo_strength); #endif + if (cipher_id != 0 && (cipher_id != cp->id)) + continue; if (alg_mkey && !(alg_mkey & cp->algorithm_mkey)) continue; if (alg_auth && !(alg_auth & cp->algorithm_auth)) @@ -951,7 +927,7 @@ static int ssl_cipher_strength_sort(CIPHER_ORDER **head_p, number_uses = OPENSSL_zalloc(sizeof(int) * (max_strength_bits + 1)); if (number_uses == NULL) { SSLerr(SSL_F_SSL_CIPHER_STRENGTH_SORT, ERR_R_MALLOC_FAILURE); - return (0); + return 0; } /* @@ -973,7 +949,7 @@ static int ssl_cipher_strength_sort(CIPHER_ORDER **head_p, tail_p); OPENSSL_free(number_uses); - return (1); + return 1; } static int ssl_cipher_process_rulestr(const char *rule_str, @@ -990,7 +966,7 @@ static int ssl_cipher_process_rulestr(const char *rule_str, retval = 1; l = rule_str; - for (;;) { + for ( ; ; ) { ch = *l; if (ch == '\0') @@ -1062,8 +1038,9 @@ static int ssl_cipher_process_rulestr(const char *rule_str, if (ch == '+') { multi = 1; l++; - } else + } else { multi = 0; + } /* * Now search for the cipher alias in the ca_list. Be careful @@ -1097,8 +1074,9 @@ static int ssl_cipher_process_rulestr(const char *rule_str, found = 0; break; } - } else + } else { alg_mkey = ca_list[j]->algorithm_mkey; + } } if (ca_list[j]->algorithm_auth) { @@ -1108,8 +1086,9 @@ static int ssl_cipher_process_rulestr(const char *rule_str, found = 0; break; } - } else + } else { alg_auth = ca_list[j]->algorithm_auth; + } } if (ca_list[j]->algorithm_enc) { @@ -1119,8 +1098,9 @@ static int ssl_cipher_process_rulestr(const char *rule_str, found = 0; break; } - } else + } else { alg_enc = ca_list[j]->algorithm_enc; + } } if (ca_list[j]->algorithm_mac) { @@ -1130,8 +1110,9 @@ static int ssl_cipher_process_rulestr(const char *rule_str, found = 0; break; } - } else + } else { alg_mac = ca_list[j]->algorithm_mac; + } } if (ca_list[j]->algo_strength & SSL_STRONG_MASK) { @@ -1143,8 +1124,9 @@ static int ssl_cipher_process_rulestr(const char *rule_str, found = 0; break; } - } else + } else { algo_strength = ca_list[j]->algo_strength & SSL_STRONG_MASK; + } } if (ca_list[j]->algo_strength & SSL_DEFAULT_MASK) { @@ -1156,9 +1138,10 @@ static int ssl_cipher_process_rulestr(const char *rule_str, found = 0; break; } - } else + } else { algo_strength |= ca_list[j]->algo_strength & SSL_DEFAULT_MASK; + } } if (ca_list[j]->valid) { @@ -1193,9 +1176,9 @@ static int ssl_cipher_process_rulestr(const char *rule_str, */ if (rule == CIPHER_SPECIAL) { /* special command */ ok = 0; - if ((buflen == 8) && strncmp(buf, "STRENGTH", 8) == 0) + if ((buflen == 8) && strncmp(buf, "STRENGTH", 8) == 0) { ok = ssl_cipher_strength_sort(head_p, tail_p); - else if (buflen == 10 && strncmp(buf, "SECLEVEL=", 9) == 0) { + } else if (buflen == 10 && strncmp(buf, "SECLEVEL=", 9) == 0) { int level = buf[9] - '0'; if (level < 0 || level > 5) { SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, @@ -1204,8 +1187,9 @@ static int ssl_cipher_process_rulestr(const char *rule_str, c->sec_level = level; ok = 1; } - } else + } else { SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, SSL_R_INVALID_COMMAND); + } if (ok == 0) retval = 0; /* @@ -1229,7 +1213,7 @@ static int ssl_cipher_process_rulestr(const char *rule_str, break; /* done */ } - return (retval); + return retval; } #ifndef OPENSSL_NO_EC @@ -1251,8 +1235,9 @@ static int check_suiteb_cipher_list(const SSL_METHOD *meth, CERT *c, if (suiteb_flags) { c->cert_flags &= ~SSL_CERT_FLAG_SUITEB_128_LOS; c->cert_flags |= suiteb_flags; - } else + } else { suiteb_flags = c->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS; + } if (!suiteb_flags) return 1; @@ -1287,14 +1272,141 @@ static int check_suiteb_cipher_list(const SSL_METHOD *meth, CERT *c, } #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) +static int ciphersuite_cb(const char *elem, int len, void *arg) +{ + STACK_OF(SSL_CIPHER) *ciphersuites = (STACK_OF(SSL_CIPHER) *)arg; + const SSL_CIPHER *cipher; + /* Arbitrary sized temp buffer for the cipher name. Should be big enough */ + char name[80]; + + if (len > (int)(sizeof(name) - 1)) { + SSLerr(SSL_F_CIPHERSUITE_CB, SSL_R_NO_CIPHER_MATCH); + return 0; + } + + memcpy(name, elem, len); + name[len] = '\0'; + + cipher = ssl3_get_cipher_by_std_name(name); + if (cipher == NULL) { + SSLerr(SSL_F_CIPHERSUITE_CB, SSL_R_NO_CIPHER_MATCH); + return 0; + } + + if (!sk_SSL_CIPHER_push(ciphersuites, cipher)) { + SSLerr(SSL_F_CIPHERSUITE_CB, ERR_R_INTERNAL_ERROR); + return 0; + } + + return 1; +} + +static __owur int set_ciphersuites(STACK_OF(SSL_CIPHER) **currciphers, const char *str) +{ + STACK_OF(SSL_CIPHER) *newciphers = sk_SSL_CIPHER_new_null(); + + if (newciphers == NULL) + return 0; + + /* Parse the list. We explicitly allow an empty list */ + if (*str != '\0' + && !CONF_parse_list(str, ':', 1, ciphersuite_cb, newciphers)) { + sk_SSL_CIPHER_free(newciphers); + return 0; + } + sk_SSL_CIPHER_free(*currciphers); + *currciphers = newciphers; + + return 1; +} + +static int update_cipher_list_by_id(STACK_OF(SSL_CIPHER) **cipher_list_by_id, + STACK_OF(SSL_CIPHER) *cipherstack) +{ + STACK_OF(SSL_CIPHER) *tmp_cipher_list = sk_SSL_CIPHER_dup(cipherstack); + + if (tmp_cipher_list == NULL) { + return 0; + } + + 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 1; +} + +static int update_cipher_list(STACK_OF(SSL_CIPHER) **cipher_list, + STACK_OF(SSL_CIPHER) **cipher_list_by_id, + STACK_OF(SSL_CIPHER) *tls13_ciphersuites) +{ + int i; + STACK_OF(SSL_CIPHER) *tmp_cipher_list = sk_SSL_CIPHER_dup(*cipher_list); + + if (tmp_cipher_list == NULL) + return 0; + + /* + * Delete any existing TLSv1.3 ciphersuites. These are always first in the + * list. + */ + while (sk_SSL_CIPHER_num(tmp_cipher_list) > 0 + && sk_SSL_CIPHER_value(tmp_cipher_list, 0)->min_tls + == TLS1_3_VERSION) + sk_SSL_CIPHER_delete(tmp_cipher_list, 0); + + /* Insert the new TLSv1.3 ciphersuites */ + for (i = 0; i < sk_SSL_CIPHER_num(tls13_ciphersuites); i++) + sk_SSL_CIPHER_insert(tmp_cipher_list, + sk_SSL_CIPHER_value(tls13_ciphersuites, i), i); + + if (!update_cipher_list_by_id(cipher_list_by_id, tmp_cipher_list)) + return 0; + + sk_SSL_CIPHER_free(*cipher_list); + *cipher_list = tmp_cipher_list; + + return 1; +} + +int SSL_CTX_set_ciphersuites(SSL_CTX *ctx, const char *str) +{ + int ret = set_ciphersuites(&(ctx->tls13_ciphersuites), str); + + if (ret && ctx->cipher_list != NULL) { + /* We already have a cipher_list, so we need to update it */ + return update_cipher_list(&ctx->cipher_list, &ctx->cipher_list_by_id, + ctx->tls13_ciphersuites); + } + + return ret; +} + +int SSL_set_ciphersuites(SSL *s, const char *str) { - int ok, num_of_ciphers, num_of_alias_max, num_of_group_aliases; + int ret = set_ciphersuites(&(s->tls13_ciphersuites), str); + + if (ret && s->cipher_list != NULL) { + /* We already have a cipher_list, so we need to update it */ + return update_cipher_list(&s->cipher_list, &s->cipher_list_by_id, + s->tls13_ciphersuites); + } + + return ret; +} + +STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method, + STACK_OF(SSL_CIPHER) *tls13_ciphersuites, + 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, i; uint32_t disabled_mkey, disabled_auth, disabled_enc, disabled_mac; - STACK_OF(SSL_CIPHER) *cipherstack, *tmp_cipher_list; + STACK_OF(SSL_CIPHER) *cipherstack; const char *rule_p; CIPHER_ORDER *co_list = NULL, *head = NULL, *tail = NULL, *curr; const SSL_CIPHER **ca_list = NULL; @@ -1329,7 +1441,7 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method, STACK co_list = OPENSSL_malloc(sizeof(*co_list) * num_of_ciphers); if (co_list == NULL) { SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE); - return (NULL); /* Failure */ + return NULL; /* Failure */ } ssl_cipher_collect_ciphers(ssl_method, num_of_ciphers, @@ -1386,7 +1498,7 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method, STACK ssl_cipher_apply_rule(0, SSL_kPSK, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head, &tail); - /* RC4 is sort-of broken -- move the the end */ + /* RC4 is sort-of broken -- move to the end */ ssl_cipher_apply_rule(0, 0, 0, SSL_RC4, 0, 0, 0, CIPHER_ORD, -1, &head, &tail); @@ -1443,7 +1555,7 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method, STACK if (ca_list == NULL) { OPENSSL_free(co_list); SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE); - return (NULL); /* Failure */ + return NULL; /* Failure */ } ssl_cipher_collect_aliases(ca_list, num_of_group_aliases, disabled_mkey, disabled_auth, disabled_enc, @@ -1470,7 +1582,7 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method, STACK if (!ok) { /* Rule processing failure */ OPENSSL_free(co_list); - return (NULL); + return NULL; } /* @@ -1479,7 +1591,16 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method, STACK */ if ((cipherstack = sk_SSL_CIPHER_new_null()) == NULL) { OPENSSL_free(co_list); - return (NULL); + return NULL; + } + + /* Add TLSv1.3 ciphers first - we always prefer those if possible */ + for (i = 0; i < sk_SSL_CIPHER_num(tls13_ciphersuites); i++) { + if (!sk_SSL_CIPHER_push(cipherstack, + sk_SSL_CIPHER_value(tls13_ciphersuites, i))) { + sk_SSL_CIPHER_free(cipherstack); + return NULL; + } } /* @@ -1487,8 +1608,7 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method, STACK * to the resulting precedence to the STACK_OF(SSL_CIPHER). */ for (curr = head; curr != NULL; curr = curr->next) { - if (curr->active - && (!FIPS_mode() || curr->cipher->algo_strength & SSL_FIPS)) { + if (curr->active) { if (!sk_SSL_CIPHER_push(cipherstack, curr->cipher)) { OPENSSL_free(co_list); sk_SSL_CIPHER_free(cipherstack); @@ -1501,20 +1621,14 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method, STACK } OPENSSL_free(co_list); /* Not needed any longer */ - tmp_cipher_list = sk_SSL_CIPHER_dup(cipherstack); - if (tmp_cipher_list == NULL) { + if (!update_cipher_list_by_id(cipher_list_by_id, cipherstack)) { sk_SSL_CIPHER_free(cipherstack); return 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); + return cipherstack; } char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len) @@ -1526,11 +1640,13 @@ char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len) if (buf == NULL) { len = 128; - buf = OPENSSL_malloc(len); - if (buf == NULL) + if ((buf = OPENSSL_malloc(len)) == NULL) { + SSLerr(SSL_F_SSL_CIPHER_DESCRIPTION, ERR_R_MALLOC_FAILURE); return NULL; - } else if (len < 128) + } + } else if (len < 128) { return NULL; + } alg_mkey = cipher->algorithm_mkey; alg_auth = cipher->algorithm_auth; @@ -1567,6 +1683,9 @@ char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len) case SSL_kGOST: kx = "GOST"; break; + case SSL_kANY: + kx = "any"; + break; default: kx = "unknown"; } @@ -1593,10 +1712,13 @@ char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len) case SSL_aGOST01: au = "GOST01"; break; - /* New GOST ciphersuites have both SSL_aGOST12 and SSL_aGOST01 bits */ + /* New GOST ciphersuites have both SSL_aGOST12 and SSL_aGOST01 bits */ case (SSL_aGOST12 | SSL_aGOST01): au = "GOST12"; break; + case SSL_aANY: + au = "any"; + break; default: au = "unknown"; break; @@ -1651,6 +1773,12 @@ char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len) case SSL_CAMELLIA256: enc = "Camellia(256)"; break; + case SSL_ARIA128GCM: + enc = "ARIAGCM(128)"; + break; + case SSL_ARIA256GCM: + enc = "ARIAGCM(256)"; + break; case SSL_SEED: enc = "SEED(128)"; break; @@ -1700,7 +1828,7 @@ char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len) BIO_snprintf(buf, len, format, cipher->name, ver, kx, au, enc, mac); - return (buf); + return buf; } const char *SSL_CIPHER_get_version(const SSL_CIPHER *c) @@ -1721,8 +1849,27 @@ const char *SSL_CIPHER_get_version(const SSL_CIPHER *c) const char *SSL_CIPHER_get_name(const SSL_CIPHER *c) { if (c != NULL) - return (c->name); - return ("(NONE)"); + return c->name; + return "(NONE)"; +} + +/* return the actual cipher being used in RFC standard name */ +const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c) +{ + if (c != NULL) + return c->stdname; + return "(NONE)"; +} + +/* return the OpenSSL name based on given RFC standard name */ +const char *OPENSSL_cipher_name(const char *stdname) +{ + const SSL_CIPHER *c; + + if (stdname == NULL) + return "(NONE)"; + c = ssl3_get_cipher_by_std_name(stdname); + return SSL_CIPHER_get_name(c); } /* number of bits for symmetric cipher */ @@ -1743,20 +1890,25 @@ uint32_t SSL_CIPHER_get_id(const SSL_CIPHER *c) return c->id; } +uint16_t SSL_CIPHER_get_protocol_id(const SSL_CIPHER *c) +{ + return c->id & 0xFFFF; +} + 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); + 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 ctmp; } - return (NULL); + return NULL; } #ifdef OPENSSL_NO_COMP @@ -1780,7 +1932,7 @@ int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm) STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void) { load_builtin_compressions(); - return (ssl_comp_methods); + return ssl_comp_methods; } STACK_OF(SSL_COMP) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP) @@ -1829,7 +1981,7 @@ int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm) if (comp == NULL) { CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE); SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD, ERR_R_MALLOC_FAILURE); - return (1); + return 1; } comp->id = id; @@ -1840,16 +1992,16 @@ int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm) CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE); SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD, SSL_R_DUPLICATE_COMPRESSION_ID); - return (1); + return 1; } if (ssl_comp_methods == NULL || !sk_SSL_COMP_push(ssl_comp_methods, comp)) { OPENSSL_free(comp); CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE); SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD, ERR_R_MALLOC_FAILURE); - return (1); + return 1; } CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE); - return (0); + return 0; } #endif @@ -1880,32 +2032,12 @@ int SSL_COMP_get_id(const SSL_COMP *comp) #endif } -/* For a cipher return the index corresponding to the certificate type */ -int ssl_cipher_get_cert_index(const SSL_CIPHER *c) -{ - uint32_t alg_a; - - alg_a = c->algorithm_auth; - - if (alg_a & SSL_aECDSA) - return SSL_PKEY_ECC; - 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_aGOST12) - return SSL_PKEY_GOST_EC; - 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 *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr, + int all) { const SSL_CIPHER *c = ssl->method->get_cipher_by_char(ptr); - if (c == NULL || c->valid == 0) + if (c == NULL || (!all && c->valid == 0)) return NULL; return c; } @@ -1953,7 +2085,77 @@ int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *c) return ssl_cipher_table_auth[i].nid; } +const EVP_MD *SSL_CIPHER_get_handshake_digest(const SSL_CIPHER *c) +{ + int idx = c->algorithm2 & SSL_HANDSHAKE_MAC_MASK; + + if (idx < 0 || idx >= SSL_MD_NUM_IDX) + return NULL; + return ssl_digest_methods[idx]; +} + int SSL_CIPHER_is_aead(const SSL_CIPHER *c) { return (c->algorithm_mac & SSL_AEAD) ? 1 : 0; } + +int ssl_cipher_get_overhead(const SSL_CIPHER *c, size_t *mac_overhead, + size_t *int_overhead, size_t *blocksize, + size_t *ext_overhead) +{ + size_t mac = 0, in = 0, blk = 0, out = 0; + + /* Some hard-coded numbers for the CCM/Poly1305 MAC overhead + * because there are no handy #defines for those. */ + if (c->algorithm_enc & (SSL_AESGCM | SSL_ARIAGCM)) { + out = EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN; + } else if (c->algorithm_enc & (SSL_AES128CCM | SSL_AES256CCM)) { + out = EVP_CCM_TLS_EXPLICIT_IV_LEN + 16; + } else if (c->algorithm_enc & (SSL_AES128CCM8 | SSL_AES256CCM8)) { + out = EVP_CCM_TLS_EXPLICIT_IV_LEN + 8; + } else if (c->algorithm_enc & SSL_CHACHA20POLY1305) { + out = 16; + } else if (c->algorithm_mac & SSL_AEAD) { + /* We're supposed to have handled all the AEAD modes above */ + return 0; + } else { + /* Non-AEAD modes. Calculate MAC/cipher overhead separately */ + int digest_nid = SSL_CIPHER_get_digest_nid(c); + const EVP_MD *e_md = EVP_get_digestbynid(digest_nid); + + if (e_md == NULL) + return 0; + + mac = EVP_MD_size(e_md); + if (c->algorithm_enc != SSL_eNULL) { + int cipher_nid = SSL_CIPHER_get_cipher_nid(c); + const EVP_CIPHER *e_ciph = EVP_get_cipherbynid(cipher_nid); + + /* If it wasn't AEAD or SSL_eNULL, we expect it to be a + known CBC cipher. */ + if (e_ciph == NULL || + EVP_CIPHER_mode(e_ciph) != EVP_CIPH_CBC_MODE) + return 0; + + in = 1; /* padding length byte */ + out = EVP_CIPHER_iv_length(e_ciph); + blk = EVP_CIPHER_block_size(e_ciph); + } + } + + *mac_overhead = mac; + *int_overhead = in; + *blocksize = blk; + *ext_overhead = out; + + return 1; +} + +int ssl_cert_is_disabled(size_t idx) +{ + const SSL_CERT_LOOKUP *cl = ssl_cert_lookup_by_idx(idx); + + if (cl == NULL || (cl->amask & disabled_auth_mask) != 0) + return 1; + return 0; +} |