X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=ssl%2Fssl_ciph.c;h=d2139e124876b0302a7d263fb283c5d5e9271a45;hp=ed274e01a7ea6f3e061a1cf37b9312a41de30fd7;hb=fe6ef2472db933f01b59cad82aa925736935984b;hpb=86885c289580066792415218754bd935b449f170 diff --git a/ssl/ssl_ciph.c b/ssl/ssl_ciph.c index ed274e01a7..d2139e1248 100644 --- a/ssl/ssl_ciph.c +++ b/ssl/ssl_ciph.c @@ -164,12 +164,17 @@ #define SSL_ENC_SEED_IDX 11 #define SSL_ENC_AES128GCM_IDX 12 #define SSL_ENC_AES256GCM_IDX 13 -#define SSL_ENC_NUM_IDX 14 +#define SSL_ENC_AES128CCM_IDX 14 +#define SSL_ENC_AES256CCM_IDX 15 +#define SSL_ENC_AES128CCM8_IDX 16 +#define SSL_ENC_AES256CCM8_IDX 17 +#define SSL_ENC_GOST8912_IDX 18 +#define SSL_ENC_NUM_IDX 19 /* NB: make sure indices in these tables match values above */ typedef struct { - unsigned long mask; + uint32_t mask; int nid; } ssl_cipher_table; @@ -188,7 +193,12 @@ static const ssl_cipher_table ssl_cipher_table_cipher[SSL_ENC_NUM_IDX] = { {SSL_eGOST2814789CNT, NID_gost89_cnt}, /* SSL_ENC_GOST89_IDX 10 */ {SSL_SEED, NID_seed_cbc}, /* SSL_ENC_SEED_IDX 11 */ {SSL_AES128GCM, NID_aes_128_gcm}, /* SSL_ENC_AES128GCM_IDX 12 */ - {SSL_AES256GCM, NID_aes_256_gcm} /* SSL_ENC_AES256GCM_IDX 13 */ + {SSL_AES256GCM, NID_aes_256_gcm}, /* SSL_ENC_AES256GCM_IDX 13 */ + {SSL_AES128CCM, NID_aes_128_ccm}, /* SSL_ENC_AES128CCM_IDX 14 */ + {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 */ }; static const EVP_CIPHER *ssl_cipher_methods[SSL_ENC_NUM_IDX] = { @@ -202,12 +212,6 @@ static const EVP_CIPHER *ssl_cipher_methods[SSL_ENC_NUM_IDX] = { 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 @@ -222,16 +226,22 @@ static const ssl_cipher_table ssl_cipher_table_mac[SSL_MD_NUM_IDX] = { {SSL_GOST94, NID_id_GostR3411_94}, /* SSL_MD_GOST94_IDX 2 */ {SSL_GOST89MAC, NID_id_Gost28147_89_MAC}, /* SSL_MD_GOST89MAC_IDX 3 */ {SSL_SHA256, NID_sha256}, /* SSL_MD_SHA256_IDX 4 */ - {SSL_SHA384, NID_sha384} /* SSL_MD_SHA384_IDX 5 */ + {SSL_SHA384, NID_sha384}, /* SSL_MD_SHA384_IDX 5 */ + {SSL_GOST12_256, NID_id_GostR3411_2012_256}, /* SSL_MD_GOST12_256_IDX 6 */ + {SSL_GOST89MAC12, NID_gost_mac_12}, /* SSL_MD_GOST89MAC12_IDX 7 */ + {SSL_GOST12_512, NID_id_GostR3411_2012_512}, /* SSL_MD_GOST12_512_IDX 8 */ + {0, NID_md5_sha1}, /* SSL_MD_MD5_SHA1_IDX 9 */ + {0, NID_sha224}, /* SSL_MD_SHA224_IDX 10 */ + {0, NID_sha512} /* SSL_MD_SHA512_IDX 11 */ }; static const EVP_MD *ssl_digest_methods[SSL_MD_NUM_IDX] = { - NULL, NULL, NULL, NULL, NULL, NULL + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }; /* Utility function for table lookup */ static int ssl_cipher_info_find(const ssl_cipher_table * table, - size_t table_cnt, unsigned long mask) + size_t table_cnt, uint32_t mask) { size_t i; for (i = 0; i < table_cnt; i++, table++) { @@ -250,18 +260,16 @@ static int ssl_cipher_info_find(const ssl_cipher_table * table, * found */ static int ssl_mac_pkey_id[SSL_MD_NUM_IDX] = { + /* MD5, SHA, GOST94, MAC89 */ EVP_PKEY_HMAC, EVP_PKEY_HMAC, EVP_PKEY_HMAC, NID_undef, - EVP_PKEY_HMAC, EVP_PKEY_HMAC + /* SHA256, SHA384, GOST2012_256, MAC89-12 */ + EVP_PKEY_HMAC, EVP_PKEY_HMAC, EVP_PKEY_HMAC, NID_undef, + /* GOST2012_512 */ + EVP_PKEY_HMAC, }; static int ssl_mac_secret_size[SSL_MD_NUM_IDX] = { - 0, 0, 0, 0, 0, 0 -}; - -static const 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 + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; #define CIPHER_ADD 1 @@ -287,8 +295,7 @@ static const SSL_CIPHER cipher_aliases[] = { * "COMPLEMENTOFDEFAULT" (does *not* include ciphersuites not found in * ALL!) */ - {0, SSL_TXT_CMPDEF, 0, SSL_kDHE | SSL_kECDHE, SSL_aNULL, ~SSL_eNULL, 0, 0, - 0, 0, 0, 0}, + {0, SSL_TXT_CMPDEF, 0, 0, 0, ~SSL_eNULL, 0, 0, SSL_NOT_DEFAULT, 0, 0, 0}, /* * key exchange aliases (some of those using only a single bit here @@ -305,8 +312,6 @@ static const SSL_CIPHER cipher_aliases[] = { {0, SSL_TXT_DH, 0, SSL_kDHr | SSL_kDHd | SSL_kDHE, 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}, @@ -316,6 +321,9 @@ static const SSL_CIPHER cipher_aliases[] = { 0, 0, 0}, {0, SSL_TXT_kPSK, 0, SSL_kPSK, 0, 0, 0, 0, 0, 0, 0, 0}, + {0, SSL_TXT_kRSAPSK, 0, SSL_kRSAPSK, 0, 0, 0, 0, 0, 0, 0, 0}, + {0, SSL_TXT_kECDHEPSK, 0, SSL_kECDHEPSK, 0, 0, 0, 0, 0, 0, 0, 0}, + {0, SSL_TXT_kDHEPSK, 0, SSL_kDHEPSK, 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}, @@ -323,7 +331,6 @@ static const SSL_CIPHER cipher_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}, @@ -331,9 +338,10 @@ static const SSL_CIPHER cipher_aliases[] = { {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_aGOST12, 0, 0, SSL_aGOST12, 0, 0, 0, 0, 0, 0, 0}, + {0, SSL_TXT_aGOST, 0, 0, SSL_aGOST01 | SSL_aGOST12, 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 */ @@ -342,11 +350,10 @@ static const SSL_CIPHER cipher_aliases[] = { {0, SSL_TXT_EECDH, 0, SSL_kECDHE, ~SSL_aNULL, 0, 0, 0, 0, 0, 0, 0}, {0, SSL_TXT_ECDHE, 0, SSL_kECDHE, ~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_kDHE, SSL_aNULL, 0, 0, 0, 0, 0, 0, 0}, {0, SSL_TXT_AECDH, 0, SSL_kECDHE, 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_PSK, 0, SSL_PSK, 0, 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 */ @@ -357,13 +364,19 @@ static const SSL_CIPHER cipher_aliases[] = { {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_GOST, 0, 0, 0, SSL_eGOST2814789CNT | SSL_eGOST2814789CNT12, 0, + 0, 0, 0, 0, 0}, + {0, SSL_TXT_AES128, 0, 0, 0, SSL_AES128 | SSL_AES128GCM | SSL_AES128CCM | SSL_AES128CCM8, 0, + 0, 0, 0, 0, 0}, + {0, SSL_TXT_AES256, 0, 0, 0, SSL_AES256 | SSL_AES256GCM | SSL_AES256CCM | SSL_AES256CCM8, 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_AES_CCM, 0, 0, 0, SSL_AES128CCM | SSL_AES256CCM | SSL_AES128CCM8 | SSL_AES256CCM8, 0, 0, 0, 0, + 0, 0}, + {0, SSL_TXT_AES_CCM_8, 0, 0, 0, SSL_AES128CCM8 | SSL_AES256CCM8, 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, @@ -374,13 +387,16 @@ static const SSL_CIPHER cipher_aliases[] = { {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_GOST89MAC, 0, 0, 0, 0, SSL_GOST89MAC | SSL_GOST89MAC12, 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}, + {0, SSL_TXT_GOST12, 0, 0, 0, 0, SSL_GOST12_256, 0, 0, 0, 0, 0}, /* protocol version aliases */ {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, 0, 0, 0, 0, 0, SSL_SSLV3, 0, 0, 0, 0}, + {0, "TLSv1.0", 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 */ @@ -429,10 +445,11 @@ 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); + if (ameth && EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, + ameth) > 0) { + return pkey_id; } - return pkey_id; + return 0; } #else @@ -444,7 +461,9 @@ static int get_optional_pkey_id(const char *pkey_name) int pkey_id = 0; ameth = EVP_PKEY_asn1_find_str(&tmpeng, pkey_name, -1); if (ameth) { - EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, ameth); + if (EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, + ameth) <= 0) + pkey_id = 0; } if (tmpeng) ENGINE_finish(tmpeng); @@ -453,27 +472,100 @@ static int get_optional_pkey_id(const char *pkey_name) #endif +/* masks of disabled algorithms */ +static uint32_t disabled_enc_mask; +static uint32_t disabled_mac_mask; +static uint32_t disabled_mkey_mask; +static uint32_t disabled_auth_mask; + void ssl_load_ciphers(void) { size_t i; const ssl_cipher_table *t; + disabled_enc_mask = 0; for (i = 0, t = ssl_cipher_table_cipher; i < SSL_ENC_NUM_IDX; i++, t++) { - if (t->nid == NID_undef) + if (t->nid == NID_undef) { ssl_cipher_methods[i] = NULL; - else - ssl_cipher_methods[i] = EVP_get_cipherbynid(t->nid); + } else { + const EVP_CIPHER *cipher = EVP_get_cipherbynid(t->nid); + ssl_cipher_methods[i] = cipher; + if (cipher == NULL) + 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++) { - ssl_digest_methods[i] = EVP_get_digestbynid(t->nid); - if (ssl_digest_methods[i]) { - ssl_mac_secret_size[i] = EVP_MD_size(ssl_digest_methods[i]); + const EVP_MD *md = EVP_get_digestbynid(t->nid); + ssl_digest_methods[i] = md; + 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); } } /* 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); + + disabled_mkey_mask = 0; + disabled_auth_mask = 0; + +#ifdef OPENSSL_NO_RSA + disabled_mkey_mask |= SSL_kRSA | SSL_kRSAPSK; + disabled_auth_mask |= SSL_aRSA; +#endif +#ifdef OPENSSL_NO_DSA + disabled_auth_mask |= SSL_aDSS; +#endif +#ifdef OPENSSL_NO_DH + disabled_mkey_mask |= SSL_kDHr | SSL_kDHd | SSL_kDHE | SSL_kDHEPSK; + disabled_auth_mask |= SSL_aDH; +#endif +#ifdef OPENSSL_NO_EC + disabled_mkey_mask |= SSL_kECDHe | SSL_kECDHr | SSL_kECDHEPSK; + disabled_auth_mask |= SSL_aECDSA | SSL_aECDH; +#endif +#ifdef OPENSSL_NO_PSK + disabled_mkey_mask |= SSL_PSK; + disabled_auth_mask |= SSL_aPSK; +#endif +#ifdef OPENSSL_NO_SRP + disabled_mkey_mask |= SSL_kSRP; +#endif + + /* + * Check for presence of GOST 34.10 algorithms, and if they are not + * 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]) { + ssl_mac_secret_size[SSL_MD_GOST89MAC_IDX] = 32; + } 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]) { + ssl_mac_secret_size[SSL_MD_GOST89MAC12_IDX] = 32; + } else { + disabled_mac_mask |= SSL_GOST89MAC12; + } + + if (!get_optional_pkey_id("gost2001")) + disabled_auth_mask |= SSL_aGOST01 | SSL_aGOST12; + if (!get_optional_pkey_id("gost2012_256")) + disabled_auth_mask |= SSL_aGOST12; + if (!get_optional_pkey_id("gost2012_512")) + disabled_auth_mask |= SSL_aGOST12; + /* + * Disable GOST key exchange if no GOST signature algs are available * + */ + if ((disabled_auth_mask & (SSL_aGOST01 | SSL_aGOST12)) == (SSL_aGOST01 | SSL_aGOST12)) + disabled_mkey_mask |= SSL_kGOST; } #ifndef OPENSSL_NO_COMP @@ -495,22 +587,20 @@ static void load_builtin_compressions(void) if (ssl_comp_methods == NULL) { SSL_COMP *comp = NULL; + COMP_METHOD *method = COMP_zlib(); MemCheck_off(); ssl_comp_methods = sk_SSL_COMP_new(sk_comp_cmp); - if (ssl_comp_methods != NULL) { + if (COMP_get_type(method) != NID_undef + && ssl_comp_methods != NULL) { comp = OPENSSL_malloc(sizeof(*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); - } + comp->method = method; + comp->id = SSL_COMP_ZLIB_IDX; + comp->name = COMP_get_name(method); + sk_SSL_COMP_push(ssl_comp_methods, comp); + sk_SSL_COMP_sort(ssl_comp_methods); } - sk_SSL_COMP_sort(ssl_comp_methods); } MemCheck_on(); } @@ -624,17 +714,22 @@ int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, return (0); } -int ssl_get_handshake_digest(int idx, long *mask, const EVP_MD **md) +const EVP_MD *ssl_md(int idx) { - 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; + idx &= SSL_HANDSHAKE_MAC_MASK; + if (idx < 0 || idx >= SSL_MD_NUM_IDX) + return NULL; + return ssl_digest_methods[idx]; +} + +const EVP_MD *ssl_handshake_md(SSL *s) +{ + return ssl_md(ssl_get_algorithm2(s)); +} + +const EVP_MD *ssl_prf_md(SSL *s) +{ + return ssl_md(ssl_get_algorithm2(s) >> TLS1_PRF_DGST_SHIFT); } #define ITEM_SEP(a) \ @@ -674,104 +769,13 @@ static void ll_append_head(CIPHER_ORDER **head, CIPHER_ORDER *curr, *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_kDHE; - *auth |= SSL_aDH; -#endif -#ifdef OPENSSL_NO_KRB5 - *mkey |= SSL_kKRB5; - *auth |= SSL_aKRB5; -#endif -#ifdef OPENSSL_NO_EC - *mkey |= SSL_kECDHe | SSL_kECDHr; - *auth |= SSL_aECDSA | 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, + uint32_t disabled_mkey, + uint32_t disabled_auth, + uint32_t disabled_enc, + uint32_t disabled_mac, + uint32_t disabled_ssl, CIPHER_ORDER *co_list, CIPHER_ORDER **head_p, CIPHER_ORDER **tail_p) @@ -803,10 +807,6 @@ 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++; -#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; */ @@ -839,21 +839,21 @@ static void ssl_cipher_collect_ciphers(const SSL_METHOD *ssl_method, 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, + uint32_t disabled_mkey, + uint32_t disabled_auth, + uint32_t disabled_enc, + uint32_t disabled_mac, + uint32_t 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; + uint32_t mask_mkey = ~disabled_mkey; + uint32_t mask_auth = ~disabled_auth; + uint32_t mask_enc = ~disabled_enc; + uint32_t mask_mac = ~disabled_mac; + uint32_t mask_ssl = ~disabled_ssl; /* * First, add the real ciphers as already collected @@ -873,11 +873,11 @@ static void ssl_cipher_collect_aliases(const SSL_CIPHER **ca_list, * 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; + uint32_t algorithm_mkey = cipher_aliases[i].algorithm_mkey; + uint32_t algorithm_auth = cipher_aliases[i].algorithm_auth; + uint32_t algorithm_enc = cipher_aliases[i].algorithm_enc; + uint32_t algorithm_mac = cipher_aliases[i].algorithm_mac; + uint32_t algorithm_ssl = cipher_aliases[i].algorithm_ssl; if (algorithm_mkey) if ((algorithm_mkey & mask_mkey) == 0) @@ -906,14 +906,11 @@ static void ssl_cipher_collect_aliases(const SSL_CIPHER **ca_list, *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, +static void ssl_cipher_apply_rule(uint32_t cipher_id, uint32_t alg_mkey, + uint32_t alg_auth, uint32_t alg_enc, + uint32_t alg_mac, uint32_t alg_ssl, + uint32_t algo_strength, int rule, + int32_t strength_bits, CIPHER_ORDER **head_p, CIPHER_ORDER **tail_p) { CIPHER_ORDER *head, *tail, *curr, *next, *last; @@ -991,6 +988,9 @@ static void ssl_cipher_apply_rule(unsigned long cipher_id, if ((algo_strength & SSL_STRONG_MASK) && !(algo_strength & SSL_STRONG_MASK & cp->algo_strength)) continue; + if ((algo_strength & SSL_DEFAULT_MASK) + && !(algo_strength & SSL_DEFAULT_MASK & cp->algo_strength)) + continue; } #ifdef CIPHER_DEBUG @@ -1047,7 +1047,8 @@ static void ssl_cipher_apply_rule(unsigned long cipher_id, static int ssl_cipher_strength_sort(CIPHER_ORDER **head_p, CIPHER_ORDER **tail_p) { - int max_strength_bits, i, *number_uses; + int32_t max_strength_bits; + int i, *number_uses; CIPHER_ORDER *curr; /* @@ -1063,12 +1064,11 @@ static int ssl_cipher_strength_sort(CIPHER_ORDER **head_p, curr = curr->next; } - number_uses = OPENSSL_malloc(sizeof(int) * (max_strength_bits + 1)); - if (!number_uses) { + 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); } - memset(number_uses, 0, sizeof(int) * (max_strength_bits + 1)); /* * Now find the strength_bits values actually used @@ -1097,11 +1097,10 @@ static int ssl_cipher_process_rulestr(const char *rule_str, CIPHER_ORDER **tail_p, const SSL_CIPHER **ca_list, CERT *c) { - unsigned long alg_mkey, alg_auth, alg_enc, alg_mac, alg_ssl, - algo_strength; + uint32_t 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; + uint32_t cipher_id = 0; char ch; retval = 1; @@ -1277,6 +1276,20 @@ static int ssl_cipher_process_rulestr(const char *rule_str, ca_list[j]->algo_strength & SSL_STRONG_MASK; } + if (ca_list[j]->algo_strength & SSL_DEFAULT_MASK) { + if (algo_strength & SSL_DEFAULT_MASK) { + algo_strength &= + (ca_list[j]->algo_strength & SSL_DEFAULT_MASK) | + ~SSL_DEFAULT_MASK; + if (!(algo_strength & SSL_DEFAULT_MASK)) { + found = 0; + break; + } + } else + algo_strength |= + ca_list[j]->algo_strength & SSL_DEFAULT_MASK; + } + if (ca_list[j]->valid) { /* * explicit ciphersuite found; its protocol version does not @@ -1356,15 +1369,16 @@ 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 (strcmp(*prule_str, "SUITEB128") == 0) - suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS; - else if (strcmp(*prule_str, "SUITEB128ONLY") == 0) + if (strncmp(*prule_str, "SUITEB128ONLY", 13) == 0) { suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS_ONLY; - else if (strcmp(*prule_str, "SUITEB128C2") == 0) { + } else if (strncmp(*prule_str, "SUITEB128C2", 11) == 0) { suiteb_comb2 = 1; suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS; - } else if (strcmp(*prule_str, "SUITEB192") == 0) + } 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; @@ -1401,8 +1415,6 @@ static int check_suiteb_cipher_list(const SSL_METHOD *meth, CERT *c, *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, @@ -1418,7 +1430,7 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method, STACK 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, + uint32_t disabled_mkey, disabled_auth, disabled_enc, disabled_mac, disabled_ssl; STACK_OF(SSL_CIPHER) *cipherstack, *tmp_cipher_list; const char *rule_p; @@ -1439,8 +1451,12 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method, STACK * 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); + + disabled_mkey = disabled_mkey_mask; + disabled_auth = disabled_auth_mask; + disabled_enc = disabled_enc_mask; + disabled_mac = disabled_mac_mask; + disabled_ssl = 0; /* * Now we have to collect the available ciphers from the compiled @@ -1448,10 +1464,7 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method, STACK * 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 = OPENSSL_malloc(sizeof(*co_list) * num_of_ciphers); if (co_list == NULL) { SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST, ERR_R_MALLOC_FAILURE); @@ -1504,8 +1517,6 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method, STACK &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, @@ -1617,14 +1628,9 @@ 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; -#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 + uint32_t alg_mkey, alg_auth, alg_enc, alg_mac, alg_ssl; 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; @@ -1639,6 +1645,8 @@ char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len) if (alg_ssl & SSL_SSLV3) ver = "SSLv3"; + else if (alg_ssl & SSL_TLSV1) + ver = "TLSv1.0"; else if (alg_ssl & SSL_TLSV1_2) ver = "TLSv1.2"; else @@ -1654,9 +1662,6 @@ char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len) case SSL_kDHd: kx = "DH/DSS"; break; - case SSL_kKRB5: - kx = "KRB5"; - break; case SSL_kDHE: kx = is_export ? (pkl == 512 ? "DH(512)" : "DH(1024)") : "DH"; break; @@ -1672,6 +1677,15 @@ char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len) case SSL_kPSK: kx = "PSK"; break; + case SSL_kRSAPSK: + kx = "RSAPSK"; + break; + case SSL_kECDHEPSK: + kx = "ECDHEPSK"; + break; + case SSL_kDHEPSK: + kx = "DHEPSK"; + break; case SSL_kSRP: kx = "SRP"; break; @@ -1692,9 +1706,6 @@ char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len) case SSL_aDH: au = "DH"; break; - case SSL_aKRB5: - au = "KRB5"; - break; case SSL_aECDH: au = "ECDH"; break; @@ -1710,12 +1721,13 @@ char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len) case SSL_aSRP: au = "SRP"; break; - case SSL_aGOST94: - au = "GOST94"; - break; case SSL_aGOST01: au = "GOST01"; break; + /* New GOST ciphersuites have both SSL_aGOST12 and SSL_aGOST01 bits */ + case (SSL_aGOST12 | SSL_aGOST01): + au = "GOST12"; + break; default: au = "unknown"; break; @@ -1752,6 +1764,18 @@ char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len) case SSL_AES256GCM: enc = "AESGCM(256)"; break; + case SSL_AES128CCM: + enc = "AESCCM(128)"; + break; + case SSL_AES256CCM: + enc = "AESCCM(256)"; + break; + case SSL_AES128CCM8: + enc = "AESCCM8(128)"; + break; + case SSL_AES256CCM8: + enc = "AESCCM8(256)"; + break; case SSL_CAMELLIA128: enc = "Camellia(128)"; break; @@ -1762,6 +1786,7 @@ char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len) enc = "SEED(128)"; break; case SSL_eGOST2814789CNT: + case SSL_eGOST2814789CNT12: enc = "GOST89(256)"; break; default: @@ -1786,11 +1811,16 @@ char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len) mac = "AEAD"; break; case SSL_GOST89MAC: + case SSL_GOST89MAC12: mac = "GOST89"; break; case SSL_GOST94: mac = "GOST94"; break; + case SSL_GOST12_256: + case SSL_GOST12_512: + mac = "GOST2012"; + break; default: mac = "unknown"; break; @@ -1804,13 +1834,9 @@ char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len) } 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); } @@ -1842,13 +1868,13 @@ int SSL_CIPHER_get_bits(const SSL_CIPHER *c, int *alg_bits) if (c != NULL) { if (alg_bits != NULL) - *alg_bits = c->alg_bits; - ret = c->strength_bits; + *alg_bits = (int) c->alg_bits; + ret = (int) c->strength_bits; } - return (ret); + return ret; } -unsigned long SSL_CIPHER_get_id(const SSL_CIPHER *c) +uint32_t SSL_CIPHER_get_id(const SSL_CIPHER *c) { return c->id; } @@ -1870,20 +1896,23 @@ SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n) } #ifdef OPENSSL_NO_COMP -void *SSL_COMP_get_compression_methods(void) +STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void) { return NULL; } - -int SSL_COMP_add_compression_method(int id, void *cm) +STACK_OF(SSL_COMP) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP) + *meths) { - return 1; + return meths; } - -const char *SSL_COMP_get_name(const void *comp) +void SSL_COMP_free_compression_methods(void) { - return NULL; } +int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm) +{ + return 1; +} + #else STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void) { @@ -1915,7 +1944,7 @@ int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm) { SSL_COMP *comp; - if (cm == NULL || cm->type == NID_undef) + if (cm == NULL || COMP_get_type(cm) == NID_undef) return 1; /*- @@ -1960,18 +1989,21 @@ int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm) return (0); } } +#endif const char *SSL_COMP_get_name(const COMP_METHOD *comp) { - if (comp) - return comp->name; +#ifndef OPENSSL_NO_COMP + return comp ? COMP_get_name(comp) : NULL; +#else 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; + uint32_t alg_k, alg_a; alg_k = c->algorithm_mkey; alg_a = c->algorithm_auth; @@ -1996,13 +2028,11 @@ int ssl_cipher_get_cert_index(const SSL_CIPHER *c) 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_aGOST12) + return SSL_PKEY_GOST_EC; else if (alg_a & SSL_aGOST01) return SSL_PKEY_GOST01; + return -1; }