X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=ssl%2Fs3_lib.c;h=e4c0f58c338763116271b4d45b52a7dd6ae503c1;hp=20ce112e5ff471fd485e04aba6c572f30eebd222;hb=8a0a12e5bf78e6f2e501d3af86c675498e6c7552;hpb=a258afaf7c0da143f15e1cf636279c7aaee7394f diff --git a/ssl/s3_lib.c b/ssl/s3_lib.c index 20ce112e5f..e4c0f58c33 100644 --- a/ssl/s3_lib.c +++ b/ssl/s3_lib.c @@ -151,15 +151,15 @@ #include #include #include "ssl_locl.h" -#include "kssl_lcl.h" #include #ifndef OPENSSL_NO_DH # include #endif +#include const char ssl3_version_str[] = "SSLv3" OPENSSL_VERSION_PTEXT; -#define SSL3_NUM_CIPHERS (sizeof(ssl3_ciphers)/sizeof(SSL_CIPHER)) +#define SSL3_NUM_CIPHERS OSSL_NELEM(ssl3_ciphers) /* list of available SSLv3 ciphers (sorted by id) */ OPENSSL_GLOBAL const SSL_CIPHER ssl3_ciphers[] = { @@ -330,7 +330,7 @@ OPENSSL_GLOBAL const SSL_CIPHER ssl3_ciphers[] = { /* The DH ciphers */ /* Cipher 0B */ { - 1, + 0, SSL3_TXT_DH_DSS_DES_40_CBC_SHA, SSL3_CK_DH_DSS_DES_40_CBC_SHA, SSL_kDHd, @@ -378,7 +378,7 @@ OPENSSL_GLOBAL const SSL_CIPHER ssl3_ciphers[] = { /* Cipher 0E */ { - 1, + 0, SSL3_TXT_DH_RSA_DES_40_CBC_SHA, SSL3_CK_DH_RSA_DES_40_CBC_SHA, SSL_kDHr, @@ -601,233 +601,6 @@ OPENSSL_GLOBAL const SSL_CIPHER ssl3_ciphers[] = { 168, }, -#ifndef OPENSSL_NO_KRB5 -/* The Kerberos ciphers*/ -/* Cipher 1E */ - { - 1, - SSL3_TXT_KRB5_DES_64_CBC_SHA, - SSL3_CK_KRB5_DES_64_CBC_SHA, - SSL_kKRB5, - SSL_aKRB5, - SSL_DES, - SSL_SHA1, - SSL_SSLV3, - SSL_NOT_EXP | SSL_LOW, - SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, - 56, - 56, - }, - -/* Cipher 1F */ - { - 1, - SSL3_TXT_KRB5_DES_192_CBC3_SHA, - SSL3_CK_KRB5_DES_192_CBC3_SHA, - SSL_kKRB5, - SSL_aKRB5, - SSL_3DES, - SSL_SHA1, - SSL_SSLV3, - SSL_NOT_EXP | SSL_HIGH | SSL_FIPS, - SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, - 112, - 168, - }, - -/* Cipher 20 */ - { - 1, - SSL3_TXT_KRB5_RC4_128_SHA, - SSL3_CK_KRB5_RC4_128_SHA, - SSL_kKRB5, - SSL_aKRB5, - SSL_RC4, - SSL_SHA1, - SSL_SSLV3, - SSL_NOT_EXP | SSL_MEDIUM, - SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, - 128, - 128, - }, - -/* Cipher 21 */ - { - 1, - SSL3_TXT_KRB5_IDEA_128_CBC_SHA, - SSL3_CK_KRB5_IDEA_128_CBC_SHA, - SSL_kKRB5, - SSL_aKRB5, - SSL_IDEA, - SSL_SHA1, - SSL_SSLV3, - SSL_NOT_EXP | SSL_MEDIUM, - SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, - 128, - 128, - }, - -/* Cipher 22 */ - { - 1, - SSL3_TXT_KRB5_DES_64_CBC_MD5, - SSL3_CK_KRB5_DES_64_CBC_MD5, - SSL_kKRB5, - SSL_aKRB5, - SSL_DES, - SSL_MD5, - SSL_SSLV3, - SSL_NOT_EXP | SSL_LOW, - SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, - 56, - 56, - }, - -/* Cipher 23 */ - { - 1, - SSL3_TXT_KRB5_DES_192_CBC3_MD5, - SSL3_CK_KRB5_DES_192_CBC3_MD5, - SSL_kKRB5, - SSL_aKRB5, - SSL_3DES, - SSL_MD5, - SSL_SSLV3, - SSL_NOT_EXP | SSL_HIGH, - SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, - 112, - 168, - }, - -/* Cipher 24 */ - { - 1, - SSL3_TXT_KRB5_RC4_128_MD5, - SSL3_CK_KRB5_RC4_128_MD5, - SSL_kKRB5, - SSL_aKRB5, - SSL_RC4, - SSL_MD5, - SSL_SSLV3, - SSL_NOT_EXP | SSL_MEDIUM, - SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, - 128, - 128, - }, - -/* Cipher 25 */ - { - 1, - SSL3_TXT_KRB5_IDEA_128_CBC_MD5, - SSL3_CK_KRB5_IDEA_128_CBC_MD5, - SSL_kKRB5, - SSL_aKRB5, - SSL_IDEA, - SSL_MD5, - SSL_SSLV3, - SSL_NOT_EXP | SSL_MEDIUM, - SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, - 128, - 128, - }, - -/* Cipher 26 */ - { - 1, - SSL3_TXT_KRB5_DES_40_CBC_SHA, - SSL3_CK_KRB5_DES_40_CBC_SHA, - SSL_kKRB5, - SSL_aKRB5, - SSL_DES, - SSL_SHA1, - SSL_SSLV3, - SSL_EXPORT | SSL_EXP40, - SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, - 40, - 56, - }, - -/* Cipher 27 */ - { - 1, - SSL3_TXT_KRB5_RC2_40_CBC_SHA, - SSL3_CK_KRB5_RC2_40_CBC_SHA, - SSL_kKRB5, - SSL_aKRB5, - SSL_RC2, - SSL_SHA1, - SSL_SSLV3, - SSL_EXPORT | SSL_EXP40, - SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, - 40, - 128, - }, - -/* Cipher 28 */ - { - 1, - SSL3_TXT_KRB5_RC4_40_SHA, - SSL3_CK_KRB5_RC4_40_SHA, - SSL_kKRB5, - SSL_aKRB5, - SSL_RC4, - SSL_SHA1, - SSL_SSLV3, - SSL_EXPORT | SSL_EXP40, - SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, - 40, - 128, - }, - -/* Cipher 29 */ - { - 1, - SSL3_TXT_KRB5_DES_40_CBC_MD5, - SSL3_CK_KRB5_DES_40_CBC_MD5, - SSL_kKRB5, - SSL_aKRB5, - SSL_DES, - SSL_MD5, - SSL_SSLV3, - SSL_EXPORT | SSL_EXP40, - SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, - 40, - 56, - }, - -/* Cipher 2A */ - { - 1, - SSL3_TXT_KRB5_RC2_40_CBC_MD5, - SSL3_CK_KRB5_RC2_40_CBC_MD5, - SSL_kKRB5, - SSL_aKRB5, - SSL_RC2, - SSL_MD5, - SSL_SSLV3, - SSL_EXPORT | SSL_EXP40, - SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, - 40, - 128, - }, - -/* Cipher 2B */ - { - 1, - SSL3_TXT_KRB5_RC4_40_MD5, - SSL3_CK_KRB5_RC4_40_MD5, - SSL_kKRB5, - SSL_aKRB5, - SSL_RC4, - SSL_MD5, - SSL_SSLV3, - SSL_EXPORT | SSL_EXP40, - SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF, - 40, - 128, - }, -#endif /* OPENSSL_NO_KRB5 */ - /* New AES ciphersuites */ /* Cipher 2F */ { @@ -1839,20 +1612,39 @@ OPENSSL_GLOBAL const SSL_CIPHER ssl3_ciphers[] = { 256, 256, }, -#ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL +#ifndef OPENSSL_NO_PSK + /* Cipher A8 */ { 1, - "SCSV", - SSL3_CK_SCSV, - 0, - 0, - 0, - 0, - 0, - 0, - 0, - 0, - 0}, + TLS1_TXT_PSK_WITH_AES_128_GCM_SHA256, + TLS1_CK_PSK_WITH_AES_128_GCM_SHA256, + SSL_kPSK, + SSL_aPSK, + SSL_AES128GCM, + SSL_AEAD, + SSL_TLSV1_2, + SSL_NOT_EXP | SSL_HIGH | SSL_FIPS, + SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256, + 128, + 128, + }, + + /* Cipher A9 */ + { + 1, + TLS1_TXT_PSK_WITH_AES_256_GCM_SHA384, + TLS1_CK_PSK_WITH_AES_256_GCM_SHA384, + SSL_kPSK, + SSL_aPSK, + SSL_AES256GCM, + SSL_AEAD, + SSL_TLSV1_2, + SSL_NOT_EXP | SSL_HIGH | SSL_FIPS, + SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384, + 256, + 256, + }, + #endif #ifndef OPENSSL_NO_CAMELLIA @@ -2051,7 +1843,24 @@ OPENSSL_GLOBAL const SSL_CIPHER ssl3_ciphers[] = { }, #endif -#ifndef OPENSSL_NO_ECDH +#ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL + /* Cipher FF */ + { + 1, + "SCSV", + SSL3_CK_SCSV, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0}, +#endif + +#ifndef OPENSSL_NO_EC /* Cipher C001 */ { 1, @@ -2451,7 +2260,7 @@ OPENSSL_GLOBAL const SSL_CIPHER ssl3_ciphers[] = { 256, 256, }, -#endif /* OPENSSL_NO_ECDH */ +#endif /* OPENSSL_NO_EC */ #ifndef OPENSSL_NO_SRP /* Cipher C01A */ @@ -2598,7 +2407,7 @@ OPENSSL_GLOBAL const SSL_CIPHER ssl3_ciphers[] = { 256, }, #endif /* OPENSSL_NO_SRP */ -#ifndef OPENSSL_NO_ECDH +#ifndef OPENSSL_NO_EC /* HMAC based TLS v1.2 ciphersuites from RFC5289 */ @@ -2973,7 +2782,7 @@ OPENSSL_GLOBAL const SSL_CIPHER ssl3_ciphers[] = { 256, 256}, # endif /* OPENSSL_NO_CAMELLIA */ -#endif /* OPENSSL_NO_ECDH */ +#endif /* OPENSSL_NO_EC */ #ifdef TEMP_GOST_TLS /* Cipher FF00 */ @@ -3078,22 +2887,15 @@ const SSL_CIPHER *ssl3_get_cipher(unsigned int u) return (NULL); } -int ssl3_pending(const SSL *s) -{ - if (s->rstate == SSL_ST_READ_BODY) - return 0; - - return (s->s3->rrec.type == - SSL3_RT_APPLICATION_DATA) ? s->s3->rrec.length : 0; -} - -void ssl3_set_handshake_header(SSL *s, int htype, unsigned long len) +int ssl3_set_handshake_header(SSL *s, int htype, unsigned long len) { unsigned char *p = (unsigned char *)s->init_buf->data; *(p++) = htype; l2n3(len, p); s->init_num = (int)len + SSL3_HM_HEADER_LENGTH; s->init_off = 0; + + return 1; } int ssl3_handshake_write(SSL *s) @@ -3105,16 +2907,14 @@ int ssl3_new(SSL *s) { SSL3_STATE *s3; - if ((s3 = OPENSSL_malloc(sizeof *s3)) == NULL) + if ((s3 = OPENSSL_malloc(sizeof(*s3))) == NULL) goto err; - memset(s3, 0, sizeof *s3); - memset(s3->rrec.seq_num, 0, sizeof(s3->rrec.seq_num)); - memset(s3->wrec.seq_num, 0, sizeof(s3->wrec.seq_num)); - + memset(s3, 0, sizeof(*s3)); s->s3 = s3; - + #ifndef OPENSSL_NO_SRP - SSL_SRP_CTX_init(s); + if (!SSL_SRP_CTX_init(s)) + goto err; #endif s->method->ssl_clear(s); return (1); @@ -3128,113 +2928,88 @@ void ssl3_free(SSL *s) return; ssl3_cleanup_key_block(s); - if (s->s3->rbuf.buf != NULL) - ssl3_release_read_buffer(s); - if (s->s3->wbuf.buf != NULL) - ssl3_release_write_buffer(s); - if (s->s3->rrec.comp != NULL) - OPENSSL_free(s->s3->rrec.comp); + +#ifndef OPENSSL_NO_RSA + RSA_free(s->s3->peer_rsa_tmp); +#endif #ifndef OPENSSL_NO_DH - if (s->s3->tmp.dh != NULL) - DH_free(s->s3->tmp.dh); + DH_free(s->s3->tmp.dh); + DH_free(s->s3->peer_dh_tmp); #endif -#ifndef OPENSSL_NO_ECDH - if (s->s3->tmp.ecdh != NULL) - EC_KEY_free(s->s3->tmp.ecdh); +#ifndef OPENSSL_NO_EC + EC_KEY_free(s->s3->tmp.ecdh); + EC_KEY_free(s->s3->peer_ecdh_tmp); #endif - if (s->s3->tmp.ca_names != NULL) - sk_X509_NAME_pop_free(s->s3->tmp.ca_names, X509_NAME_free); - if (s->s3->handshake_buffer) { - BIO_free(s->s3->handshake_buffer); - } - if (s->s3->handshake_dgst) - ssl3_free_digest_list(s); -#ifndef OPENSSL_NO_TLSEXT - if (s->s3->alpn_selected) - OPENSSL_free(s->s3->alpn_selected); -#endif + sk_X509_NAME_pop_free(s->s3->tmp.ca_names, X509_NAME_free); + OPENSSL_free(s->s3->tmp.ciphers_raw); + OPENSSL_clear_free(s->s3->tmp.pms, s->s3->tmp.pmslen); + OPENSSL_free(s->s3->tmp.peer_sigalgs); + ssl3_free_digest_list(s); + OPENSSL_free(s->s3->alpn_selected); #ifndef OPENSSL_NO_SRP SSL_SRP_CTX_free(s); #endif - OPENSSL_cleanse(s->s3, sizeof *s->s3); - OPENSSL_free(s->s3); + OPENSSL_clear_free(s->s3, sizeof(*s->s3)); s->s3 = NULL; } void ssl3_clear(SSL *s) { - unsigned char *rp, *wp; - size_t rlen, wlen; int init_extra; ssl3_cleanup_key_block(s); - if (s->s3->tmp.ca_names != NULL) - sk_X509_NAME_pop_free(s->s3->tmp.ca_names, X509_NAME_free); + sk_X509_NAME_pop_free(s->s3->tmp.ca_names, X509_NAME_free); + OPENSSL_free(s->s3->tmp.ciphers_raw); + s->s3->tmp.ciphers_raw = NULL; + OPENSSL_clear_free(s->s3->tmp.pms, s->s3->tmp.pmslen); + s->s3->tmp.pms = NULL; + OPENSSL_free(s->s3->tmp.peer_sigalgs); + s->s3->tmp.peer_sigalgs = NULL; - if (s->s3->rrec.comp != NULL) { - OPENSSL_free(s->s3->rrec.comp); - s->s3->rrec.comp = NULL; - } -#ifndef OPENSSL_NO_DH - if (s->s3->tmp.dh != NULL) { - DH_free(s->s3->tmp.dh); - s->s3->tmp.dh = NULL; - } +#ifndef OPENSSL_NO_RSA + RSA_free(s->s3->peer_rsa_tmp); + s->s3->peer_rsa_tmp = NULL; #endif -#ifndef OPENSSL_NO_ECDH - if (s->s3->tmp.ecdh != NULL) { - EC_KEY_free(s->s3->tmp.ecdh); - s->s3->tmp.ecdh = NULL; - } + +#ifndef OPENSSL_NO_DH + DH_free(s->s3->tmp.dh); + s->s3->tmp.dh = NULL; + DH_free(s->s3->peer_dh_tmp); + s->s3->peer_dh_tmp = NULL; #endif -#ifndef OPENSSL_NO_TLSEXT -# ifndef OPENSSL_NO_EC +#ifndef OPENSSL_NO_EC + EC_KEY_free(s->s3->tmp.ecdh); + s->s3->tmp.ecdh = NULL; + EC_KEY_free(s->s3->peer_ecdh_tmp); + s->s3->peer_ecdh_tmp = NULL; s->s3->is_probably_safari = 0; -# endif /* !OPENSSL_NO_EC */ -#endif /* !OPENSSL_NO_TLSEXT */ +#endif /* !OPENSSL_NO_EC */ - rp = s->s3->rbuf.buf; - wp = s->s3->wbuf.buf; - rlen = s->s3->rbuf.len; - wlen = s->s3->wbuf.len; init_extra = s->s3->init_extra; - if (s->s3->handshake_buffer) { - BIO_free(s->s3->handshake_buffer); - s->s3->handshake_buffer = NULL; - } - if (s->s3->handshake_dgst) { - ssl3_free_digest_list(s); - } -#if !defined(OPENSSL_NO_TLSEXT) + ssl3_free_digest_list(s); + if (s->s3->alpn_selected) { - free(s->s3->alpn_selected); + OPENSSL_free(s->s3->alpn_selected); s->s3->alpn_selected = NULL; } -#endif - memset(s->s3, 0, sizeof *s->s3); - s->s3->rbuf.buf = rp; - s->s3->wbuf.buf = wp; - s->s3->rbuf.len = rlen; - s->s3->wbuf.len = wlen; + + memset(s->s3, 0, sizeof(*s->s3)); s->s3->init_extra = init_extra; ssl_free_wbio_buffer(s); - s->packet_length = 0; s->s3->renegotiate = 0; s->s3->total_renegotiations = 0; s->s3->num_renegotiations = 0; s->s3->in_read_app_data = 0; s->version = SSL3_VERSION; -#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) - if (s->next_proto_negotiated) { - OPENSSL_free(s->next_proto_negotiated); - s->next_proto_negotiated = NULL; - s->next_proto_negotiated_len = 0; - } +#if !defined(OPENSSL_NO_NEXTPROTONEG) + OPENSSL_free(s->next_proto_negotiated); + s->next_proto_negotiated = NULL; + s->next_proto_negotiated_len = 0; #endif } @@ -3252,22 +3027,6 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg) { int ret = 0; -#if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_RSA) - if ( -# ifndef OPENSSL_NO_RSA - cmd == SSL_CTRL_SET_TMP_RSA || cmd == SSL_CTRL_SET_TMP_RSA_CB || -# endif -# ifndef OPENSSL_NO_DSA - cmd == SSL_CTRL_SET_TMP_DH || cmd == SSL_CTRL_SET_TMP_DH_CB || -# endif - 0) { - if (!ssl_cert_inst(&s->cert)) { - SSLerr(SSL_F_SSL3_CTRL, ERR_R_MALLOC_FAILURE); - return (0); - } - } -#endif - switch (cmd) { case SSL_CTRL_GET_SESSION_REUSED: ret = s->hit; @@ -3306,8 +3065,7 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg) SSLerr(SSL_F_SSL3_CTRL, ERR_R_RSA_LIB); return (ret); } - if (s->cert->rsa_tmp != NULL) - RSA_free(s->cert->rsa_tmp); + RSA_free(s->cert->rsa_tmp); s->cert->rsa_tmp = rsa; ret = 1; } @@ -3342,8 +3100,7 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg) return (ret); } } - if (s->cert->dh_tmp != NULL) - DH_free(s->cert->dh_tmp); + DH_free(s->cert->dh_tmp); s->cert->dh_tmp = dh; ret = 1; } @@ -3357,7 +3114,7 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg) s->cert->dh_tmp_auto = larg; return 1; #endif -#ifndef OPENSSL_NO_ECDH +#ifndef OPENSSL_NO_EC case SSL_CTRL_SET_TMP_ECDH: { EC_KEY *ecdh = NULL; @@ -3378,8 +3135,7 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg) return (ret); } } - if (s->cert->ecdh_tmp != NULL) - EC_KEY_free(s->cert->ecdh_tmp); + EC_KEY_free(s->cert->ecdh_tmp); s->cert->ecdh_tmp = ecdh; ret = 1; } @@ -3389,12 +3145,10 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg) SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); return (ret); } -#endif /* !OPENSSL_NO_ECDH */ -#ifndef OPENSSL_NO_TLSEXT +#endif /* !OPENSSL_NO_EC */ case SSL_CTRL_SET_TLSEXT_HOSTNAME: if (larg == TLSEXT_NAMETYPE_host_name) { - if (s->tlsext_hostname != NULL) - OPENSSL_free(s->tlsext_hostname); + OPENSSL_free(s->tlsext_hostname); s->tlsext_hostname = NULL; ret = 1; @@ -3448,14 +3202,13 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg) return s->tlsext_ocsp_resplen; case SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP: - if (s->tlsext_ocsp_resp) - OPENSSL_free(s->tlsext_ocsp_resp); + OPENSSL_free(s->tlsext_ocsp_resp); s->tlsext_ocsp_resp = parg; s->tlsext_ocsp_resplen = larg; ret = 1; break; -# ifndef OPENSSL_NO_HEARTBEATS +#ifndef OPENSSL_NO_HEARTBEATS case SSL_CTRL_TLS_EXT_SEND_HEARTBEAT: if (SSL_IS_DTLS(s)) ret = dtls1_heartbeat(s); @@ -3474,9 +3227,7 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg) s->tlsext_heartbeat &= ~SSL_TLSEXT_HB_DONT_RECV_REQUESTS; ret = 1; break; -# endif - -#endif /* !OPENSSL_NO_TLSEXT */ +#endif case SSL_CTRL_CHAIN: if (larg) @@ -3558,7 +3309,7 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg) case SSL_CTRL_GET_SHARED_CURVE: return tls1_shared_curve(s, larg); -# ifndef OPENSSL_NO_ECDH +# ifndef OPENSSL_NO_EC case SSL_CTRL_SET_ECDH_AUTO: s->cert->ecdh_tmp_auto = larg; return 1; @@ -3607,9 +3358,9 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg) case SSL_CTRL_GET_PEER_SIGNATURE_NID: if (SSL_USE_SIGALGS(s)) { - if (s->session && s->session->sess_cert) { + if (s->session) { const EVP_MD *sig; - sig = s->session->sess_cert->peer_key->digest; + sig = s->s3->tmp.peer_md; if (sig) { *(int *)parg = EVP_MD_type(sig); return 1; @@ -3622,32 +3373,29 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg) return 0; case SSL_CTRL_GET_SERVER_TMP_KEY: - if (s->server || !s->session || !s->session->sess_cert) + if (s->server || !s->session) return 0; else { - SESS_CERT *sc; EVP_PKEY *ptmp; int rv = 0; - sc = s->session->sess_cert; -#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DH) && !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_ECDH) - if (!sc->peer_rsa_tmp && !sc->peer_dh_tmp && !sc->peer_ecdh_tmp) +#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DH) && !defined(OPENSSL_NO_EC) + if (!s->s3->peer_rsa_tmp && !s->s3->peer_dh_tmp && !s->s3->peer_ecdh_tmp) return 0; #endif ptmp = EVP_PKEY_new(); if (!ptmp) return 0; - if (0) ; #ifndef OPENSSL_NO_RSA - else if (sc->peer_rsa_tmp) - rv = EVP_PKEY_set1_RSA(ptmp, sc->peer_rsa_tmp); + else if (s->s3->peer_rsa_tmp) + rv = EVP_PKEY_set1_RSA(ptmp, s->s3->peer_rsa_tmp); #endif #ifndef OPENSSL_NO_DH - else if (sc->peer_dh_tmp) - rv = EVP_PKEY_set1_DH(ptmp, sc->peer_dh_tmp); + else if (s->s3->peer_dh_tmp) + rv = EVP_PKEY_set1_DH(ptmp, s->s3->peer_dh_tmp); #endif -#ifndef OPENSSL_NO_ECDH - else if (sc->peer_ecdh_tmp) - rv = EVP_PKEY_set1_EC_KEY(ptmp, sc->peer_ecdh_tmp); +#ifndef OPENSSL_NO_EC + else if (s->s3->peer_ecdh_tmp) + rv = EVP_PKEY_set1_EC_KEY(ptmp, s->s3->peer_ecdh_tmp); #endif if (rv) { *(EVP_PKEY **)parg = ptmp; @@ -3680,9 +3428,9 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg) * Apparently we're using a version-flexible SSL_METHOD (not at its * highest protocol version). */ - if (s->ctx->method->version == SSLv23_method()->version) { + if (s->ctx->method->version == TLS_method()->version) { #if TLS_MAX_VERSION != TLS1_2_VERSION -# error Code needs update for SSLv23_method() support beyond TLS1_2_VERSION. +# error Code needs update for TLS_method() support beyond TLS1_2_VERSION. #endif if (!(s->options & SSL_OP_NO_TLSv1_2)) return s->version == TLS1_2_VERSION; @@ -3705,22 +3453,6 @@ long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)) { int ret = 0; -#if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_RSA) - if ( -# ifndef OPENSSL_NO_RSA - cmd == SSL_CTRL_SET_TMP_RSA_CB || -# endif -# ifndef OPENSSL_NO_DSA - cmd == SSL_CTRL_SET_TMP_DH_CB || -# endif - 0) { - if (!ssl_cert_inst(&s->cert)) { - SSLerr(SSL_F_SSL3_CALLBACK_CTRL, ERR_R_MALLOC_FAILURE); - return (0); - } - } -#endif - switch (cmd) { #ifndef OPENSSL_NO_RSA case SSL_CTRL_SET_TMP_RSA_CB: @@ -3736,19 +3468,18 @@ long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)) } break; #endif -#ifndef OPENSSL_NO_ECDH +#ifndef OPENSSL_NO_EC case SSL_CTRL_SET_TMP_ECDH_CB: { s->cert->ecdh_tmp_cb = (EC_KEY *(*)(SSL *, int, int))fp; } break; #endif -#ifndef OPENSSL_NO_TLSEXT case SSL_CTRL_SET_TLSEXT_DEBUG_CB: s->tlsext_debug_cb = (void (*)(SSL *, int, int, unsigned char *, int, void *))fp; break; -#endif + case SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB: { s->not_resumable_session_cb = (int (*)(SSL *, int))fp; @@ -3795,8 +3526,7 @@ long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_RSA_LIB); return (0); } else { - if (cert->rsa_tmp != NULL) - RSA_free(cert->rsa_tmp); + RSA_free(cert->rsa_tmp); cert->rsa_tmp = rsa; return (1); } @@ -3830,8 +3560,7 @@ long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) return 0; } } - if (cert->dh_tmp != NULL) - DH_free(cert->dh_tmp); + DH_free(cert->dh_tmp); cert->dh_tmp = new; return 1; } @@ -3847,7 +3576,7 @@ long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) ctx->cert->dh_tmp_auto = larg; return 1; #endif -#ifndef OPENSSL_NO_ECDH +#ifndef OPENSSL_NO_EC case SSL_CTRL_SET_TMP_ECDH: { EC_KEY *ecdh = NULL; @@ -3869,9 +3598,7 @@ long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) } } - if (cert->ecdh_tmp != NULL) { - EC_KEY_free(cert->ecdh_tmp); - } + EC_KEY_free(cert->ecdh_tmp); cert->ecdh_tmp = ecdh; return 1; } @@ -3881,8 +3608,7 @@ long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); return (0); } -#endif /* !OPENSSL_NO_ECDH */ -#ifndef OPENSSL_NO_TLSEXT +#endif /* !OPENSSL_NO_EC */ case SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG: ctx->tlsext_servername_arg = parg; break; @@ -3912,11 +3638,10 @@ long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) ctx->tlsext_status_arg = parg; return 1; -# ifndef OPENSSL_NO_SRP +#ifndef OPENSSL_NO_SRP case SSL_CTRL_SET_TLS_EXT_SRP_USERNAME: ctx->srp_ctx.srp_Mask |= SSL_kSRP; - if (ctx->srp_ctx.login != NULL) - OPENSSL_free(ctx->srp_ctx.login); + OPENSSL_free(ctx->srp_ctx.login); ctx->srp_ctx.login = NULL; if (parg == NULL) break; @@ -3943,9 +3668,9 @@ long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) case SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH: ctx->srp_ctx.strength = larg; break; -# endif +#endif -# ifndef OPENSSL_NO_EC +#ifndef OPENSSL_NO_EC case SSL_CTRL_SET_CURVES: return tls1_set_curves(&ctx->tlsext_ellipticcurvelist, &ctx->tlsext_ellipticcurvelist_length, @@ -3955,12 +3680,10 @@ long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) return tls1_set_curves_list(&ctx->tlsext_ellipticcurvelist, &ctx->tlsext_ellipticcurvelist_length, parg); -# ifndef OPENSSL_NO_ECDH case SSL_CTRL_SET_ECDH_AUTO: ctx->cert->ecdh_tmp_auto = larg; return 1; -# endif -# endif +#endif case SSL_CTRL_SET_SIGALGS: return tls1_set_sigalgs(ctx->cert, parg, larg, 0); @@ -3985,8 +3708,6 @@ long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) case SSL_CTRL_SET_CHAIN_CERT_STORE: return ssl_cert_set_cert_store(ctx->cert, parg, 1, larg); -#endif /* !OPENSSL_NO_TLSEXT */ - /* A Thawte special :-) */ case SSL_CTRL_EXTRA_CHAIN_CERT: if (ctx->extra_certs == NULL) { @@ -4004,10 +3725,8 @@ long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg) break; case SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS: - if (ctx->extra_certs) { - sk_X509_pop_free(ctx->extra_certs, X509_free); - ctx->extra_certs = NULL; - } + sk_X509_pop_free(ctx->extra_certs, X509_free); + ctx->extra_certs = NULL; break; case SSL_CTRL_CHAIN: @@ -4059,14 +3778,13 @@ long ssl3_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp) (void)) } break; #endif -#ifndef OPENSSL_NO_ECDH +#ifndef OPENSSL_NO_EC case SSL_CTRL_SET_TMP_ECDH_CB: { cert->ecdh_tmp_cb = (EC_KEY *(*)(SSL *, int, int))fp; } break; #endif -#ifndef OPENSSL_NO_TLSEXT case SSL_CTRL_SET_TLSEXT_SERVERNAME_CB: ctx->tlsext_servername_callback = (int (*)(SSL *, int *, void *))fp; break; @@ -4082,7 +3800,7 @@ long ssl3_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp) (void)) HMAC_CTX *, int))fp; break; -# ifndef OPENSSL_NO_SRP +#ifndef OPENSSL_NO_SRP case SSL_CTRL_SET_SRP_VERIFY_PARAM_CB: ctx->srp_ctx.srp_Mask |= SSL_kSRP; ctx->srp_ctx.SRP_verify_param_callback = (int (*)(SSL *, void *))fp; @@ -4097,7 +3815,6 @@ long ssl3_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp) (void)) ctx->srp_ctx.SRP_give_srp_client_pwd_callback = (char *(*)(SSL *, void *))fp; break; -# endif #endif case SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB: { @@ -4150,11 +3867,9 @@ SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt, SSL_CIPHER *c, *ret = NULL; STACK_OF(SSL_CIPHER) *prio, *allow; int i, ii, ok; - CERT *cert; unsigned long alg_k, alg_a, mask_k, mask_a, emask_k, emask_a; /* Let's see which ciphers we can support */ - cert = s->cert; #if 0 /* @@ -4199,11 +3914,11 @@ SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt, if ((c->algorithm_ssl & SSL_TLSV1_2) && !SSL_USE_TLS1_2_CIPHERS(s)) continue; - ssl_set_cert_masks(cert, c); - mask_k = cert->mask_k; - mask_a = cert->mask_a; - emask_k = cert->export_mask_k; - emask_a = cert->export_mask_a; + ssl_set_masks(s, c); + mask_k = s->s3->tmp.mask_k; + mask_a = s->s3->tmp.mask_a; + emask_k = s->s3->tmp.export_mask_k; + emask_a = s->s3->tmp.export_mask_a; #ifndef OPENSSL_NO_SRP if (s->srp_ctx.srp_Mask & SSL_kSRP) { mask_k |= SSL_kSRP; @@ -4213,25 +3928,12 @@ SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt, } #endif -#ifdef KSSL_DEBUG - /* - * fprintf(stderr,"ssl3_choose_cipher %d alg= %lx\n", - * i,c->algorithms); - */ -#endif /* KSSL_DEBUG */ - alg_k = c->algorithm_mkey; alg_a = c->algorithm_auth; -#ifndef OPENSSL_NO_KRB5 - if (alg_k & SSL_kKRB5) { - if (!kssl_keytab_is_available(s->kssl_ctx)) - continue; - } -#endif /* OPENSSL_NO_KRB5 */ #ifndef OPENSSL_NO_PSK /* with PSK there must be server callback set */ - if ((alg_k & SSL_kPSK) && s->psk_server_callback == NULL) + if ((alg_k & SSL_PSK) && s->psk_server_callback == NULL) continue; #endif /* OPENSSL_NO_PSK */ @@ -4249,18 +3951,14 @@ SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt, #endif } -#ifndef OPENSSL_NO_TLSEXT # ifndef OPENSSL_NO_EC -# ifndef OPENSSL_NO_ECDH /* * if we are considering an ECC cipher suite that uses an ephemeral * EC key check it */ if (alg_k & SSL_kECDHE) ok = ok && tls1_check_ec_tmp_key(s, c->id); -# endif /* OPENSSL_NO_ECDH */ # endif /* OPENSSL_NO_EC */ -#endif /* OPENSSL_NO_TLSEXT */ if (!ok) continue; @@ -4270,7 +3968,7 @@ SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt, if (!ssl_security(s, SSL_SECOP_CIPHER_SHARED, c->strength_bits, 0, c)) continue; -#if !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_TLSEXT) +#if !defined(OPENSSL_NO_EC) if ((alg_k & SSL_kECDHE) && (alg_a & SSL_aECDSA) && s->s3->is_probably_safari) { if (!ret) @@ -4346,16 +4044,13 @@ int ssl3_get_req_cert_type(SSL *s, unsigned char *p) if (!(alg_a & SSL_aDSS)) p[ret++] = SSL3_CT_DSS_SIGN; #endif -#ifndef OPENSSL_NO_ECDH +#ifndef OPENSSL_NO_EC if ((alg_k & (SSL_kECDHr | SSL_kECDHe)) && (s->version >= TLS1_VERSION)) { if (nostrict || !(alg_a & SSL_aRSA)) p[ret++] = TLS_CT_RSA_FIXED_ECDH; if (nostrict || !(alg_a & SSL_aECDSA)) p[ret++] = TLS_CT_ECDSA_FIXED_ECDH; } -#endif - -#ifndef OPENSSL_NO_ECDSA /* * ECDSA certs can be used with RSA cipher suites as well so we don't * need to check for SSL_kECDH or SSL_kECDHE @@ -4370,10 +4065,8 @@ int ssl3_get_req_cert_type(SSL *s, unsigned char *p) static int ssl3_set_req_cert_type(CERT *c, const unsigned char *p, size_t len) { - if (c->ctypes) { - OPENSSL_free(c->ctypes); - c->ctypes = NULL; - } + OPENSSL_free(c->ctypes); + c->ctypes = NULL; if (!p || !len) return 1; if (len > 0xff) @@ -4438,54 +4131,12 @@ int ssl3_shutdown(SSL *s) int ssl3_write(SSL *s, const void *buf, int len) { - int ret, n; - -#if 0 - if (s->shutdown & SSL_SEND_SHUTDOWN) { - s->rwstate = SSL_NOTHING; - return (0); - } -#endif clear_sys_error(); if (s->s3->renegotiate) ssl3_renegotiate_check(s); - /* - * This is an experimental flag that sends the last handshake message in - * the same packet as the first use data - used to see if it helps the - * TCP protocol during session-id reuse - */ - /* The second test is because the buffer may have been removed */ - if ((s->s3->flags & SSL3_FLAGS_POP_BUFFER) && (s->wbio == s->bbio)) { - /* First time through, we write into the buffer */ - if (s->s3->delay_buf_pop_ret == 0) { - ret = ssl3_write_bytes(s, SSL3_RT_APPLICATION_DATA, buf, len); - if (ret <= 0) - return (ret); - - s->s3->delay_buf_pop_ret = ret; - } - - s->rwstate = SSL_WRITING; - n = BIO_flush(s->wbio); - if (n <= 0) - return (n); - s->rwstate = SSL_NOTHING; - - /* We have flushed the buffer, so remove it */ - ssl_free_wbio_buffer(s); - s->s3->flags &= ~SSL3_FLAGS_POP_BUFFER; - - ret = s->s3->delay_buf_pop_ret; - s->s3->delay_buf_pop_ret = 0; - } else { - ret = s->method->ssl_write_bytes(s, SSL3_RT_APPLICATION_DATA, + return s->method->ssl_write_bytes(s, SSL3_RT_APPLICATION_DATA, buf, len); - if (ret <= 0) - return (ret); - } - - return (ret); } static int ssl3_read_internal(SSL *s, void *buf, int len, int peek) @@ -4545,8 +4196,9 @@ int ssl3_renegotiate_check(SSL *s) int ret = 0; if (s->s3->renegotiate) { - if ((s->s3->rbuf.left == 0) && - (s->s3->wbuf.left == 0) && !SSL_in_init(s)) { + if (!RECORD_LAYER_read_pending(&s->rlayer) + && !RECORD_LAYER_write_pending(&s->rlayer) + && !SSL_in_init(s)) { /* * if we are the server, and we have sent a 'RENEGOTIATE' * message, we need to go to SSL_ST_ACCEPT. @@ -4565,12 +4217,95 @@ int ssl3_renegotiate_check(SSL *s) /* * If we are using default SHA1+MD5 algorithms switch to new SHA256 PRF and * handshake macs if required. + * + * If PSK and using SHA384 for TLS < 1.2 switch to default. */ long ssl_get_algorithm2(SSL *s) { long alg2 = s->s3->tmp.new_cipher->algorithm2; - if (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SHA256_PRF - && alg2 == (SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF)) - return SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256; + if (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SHA256_PRF) { + if (alg2 == (SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF)) + return SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256; + } else if (s->s3->tmp.new_cipher->algorithm_mkey & SSL_PSK) { + if (alg2 == (SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384)) + return SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF; + } return alg2; } + +/* + * Fill a ClientRandom or ServerRandom field of length len. Returns <= 0 on + * failure, 1 on success. + */ +int ssl_fill_hello_random(SSL *s, int server, unsigned char *result, int len) +{ + int send_time = 0; + + if (len < 4) + return 0; + if (server) + send_time = (s->mode & SSL_MODE_SEND_SERVERHELLO_TIME) != 0; + else + send_time = (s->mode & SSL_MODE_SEND_CLIENTHELLO_TIME) != 0; + if (send_time) { + unsigned long Time = (unsigned long)time(NULL); + unsigned char *p = result; + l2n(Time, p); + return RAND_bytes(p, len - 4); + } else + return RAND_bytes(result, len); +} + +int ssl_generate_master_secret(SSL *s, unsigned char *pms, size_t pmslen, + int free_pms) +{ +#ifndef OPENSSL_NO_PSK + unsigned long alg_k = s->s3->tmp.new_cipher->algorithm_mkey; + if (alg_k & SSL_PSK) { + unsigned char *pskpms, *t; + size_t psklen = s->s3->tmp.psklen; + size_t pskpmslen; + + /* create PSK premaster_secret */ + + /* For plain PSK "other_secret" is psklen zeroes */ + if (alg_k & SSL_kPSK) + pmslen = psklen; + + pskpmslen = 4 + pmslen + psklen; + pskpms = OPENSSL_malloc(pskpmslen); + if (pskpms == NULL) + return 0; + t = pskpms; + s2n(pmslen, t); + if (alg_k & SSL_kPSK) + memset(t, 0, pmslen); + else + memcpy(t, pms, pmslen); + t += pmslen; + s2n(psklen, t); + memcpy(t, s->s3->tmp.psk, psklen); + + OPENSSL_clear_free(s->s3->tmp.psk, psklen); + s->s3->tmp.psk = NULL; + s->session->master_key_length = + s->method->ssl3_enc->generate_master_secret(s, + s->session->master_key, + pskpms, pskpmslen); + OPENSSL_clear_free(pskpms, pskpmslen); + } else +#endif + s->session->master_key_length = + s->method->ssl3_enc->generate_master_secret(s, + s->session->master_key, + pms, pmslen); + if (pms) { + if (free_pms) + OPENSSL_clear_free(pms, pmslen); + else + OPENSSL_cleanse(pms, pmslen); + } + if (s->server == 0) + s->s3->tmp.pms = NULL; + return s->session->master_key_length >= 0; +}