X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=ssl%2Fstatem%2Fstatem_clnt.c;h=dab4d1c4bc675aa3dad2ac5298cc0891a0f4ce9c;hb=c0f4400c4051cc26fbe385b6af9fc67e7c66dbdd;hp=3b6cbb76cdbc8269299eede750f89e9c7e3baba5;hpb=5c587fb6b996d47771bcaecd71489e4849103f56;p=thirdparty%2Fopenssl.git diff --git a/ssl/statem/statem_clnt.c b/ssl/statem/statem_clnt.c index 3b6cbb76cd..dab4d1c4bc 100644 --- a/ssl/statem/statem_clnt.c +++ b/ssl/statem/statem_clnt.c @@ -1,5 +1,5 @@ /* - * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved. * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved * Copyright 2005 Nokia. All rights reserved. * @@ -12,16 +12,20 @@ #include #include #include -#include "../ssl_locl.h" -#include "statem_locl.h" +#include "../ssl_local.h" +#include "statem_local.h" #include #include #include #include #include #include +#include #include #include +#include +#include +#include #include static MSG_PROCESS_RETURN tls_process_as_hello_retry_request(SSL *s, PACKET *pkt); @@ -43,8 +47,8 @@ static ossl_inline int cert_req_allowed(SSL *s) { /* TLS does not like anon-DH with client cert */ if ((s->version > SSL3_VERSION - && (s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL)) - || (s->s3->tmp.new_cipher->algorithm_auth & (SSL_aSRP | SSL_aPSK))) + && (s->s3.tmp.new_cipher->algorithm_auth & SSL_aNULL)) + || (s->s3.tmp.new_cipher->algorithm_auth & (SSL_aSRP | SSL_aPSK))) return 0; return 1; @@ -59,7 +63,7 @@ static ossl_inline int cert_req_allowed(SSL *s) */ static int key_exchange_expected(SSL *s) { - long alg_k = s->s3->tmp.new_cipher->algorithm_mkey; + long alg_k = s->s3.tmp.new_cipher->algorithm_mkey; /* * Can't skip server key exchange if this is an ephemeral @@ -271,7 +275,7 @@ int ossl_statem_client_read_transition(SSL *s, int mt) s->hit = 1; st->hand_state = TLS_ST_CR_CHANGE; return 1; - } else if (!(s->s3->tmp.new_cipher->algorithm_auth + } else if (!(s->s3.tmp.new_cipher->algorithm_auth & (SSL_aNULL | SSL_aSRP | SSL_aPSK))) { if (mt == SSL3_MT_CERTIFICATE) { st->hand_state = TLS_ST_CR_CERT; @@ -281,7 +285,7 @@ int ossl_statem_client_read_transition(SSL *s, int mt) ske_expected = key_exchange_expected(s); /* SKE is optional for some PSK ciphersuites */ if (ske_expected - || ((s->s3->tmp.new_cipher->algorithm_mkey & SSL_PSK) + || ((s->s3.tmp.new_cipher->algorithm_mkey & SSL_PSK) && mt == SSL3_MT_SERVER_KEY_EXCHANGE)) { if (mt == SSL3_MT_SERVER_KEY_EXCHANGE) { st->hand_state = TLS_ST_CR_KEY_EXCH; @@ -313,7 +317,7 @@ int ossl_statem_client_read_transition(SSL *s, int mt) case TLS_ST_CR_CERT_STATUS: ske_expected = key_exchange_expected(s); /* SKE is optional for some PSK ciphersuites */ - if (ske_expected || ((s->s3->tmp.new_cipher->algorithm_mkey & SSL_PSK) + if (ske_expected || ((s->s3.tmp.new_cipher->algorithm_mkey & SSL_PSK) && mt == SSL3_MT_SERVER_KEY_EXCHANGE)) { if (mt == SSL3_MT_SERVER_KEY_EXCHANGE) { st->hand_state = TLS_ST_CR_KEY_EXCH; @@ -390,9 +394,7 @@ int ossl_statem_client_read_transition(SSL *s, int mt) BIO_set_retry_read(rbio); return 0; } - SSLfatal(s, SSL3_AD_UNEXPECTED_MESSAGE, - SSL_F_OSSL_STATEM_CLIENT_READ_TRANSITION, - SSL_R_UNEXPECTED_MESSAGE); + SSLfatal(s, SSL3_AD_UNEXPECTED_MESSAGE, SSL_R_UNEXPECTED_MESSAGE); return 0; } @@ -413,9 +415,7 @@ static WRITE_TRAN ossl_statem_client13_write_transition(SSL *s) switch (st->hand_state) { default: /* Shouldn't happen */ - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_OSSL_STATEM_CLIENT13_WRITE_TRANSITION, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return WRITE_TRAN_ERROR; case TLS_ST_CR_CERT_REQ: @@ -429,9 +429,7 @@ static WRITE_TRAN ossl_statem_client13_write_transition(SSL *s) */ if (!ossl_assert((s->shutdown & SSL_SENT_SHUTDOWN) != 0)) { /* Shouldn't happen - same as default case */ - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_OSSL_STATEM_CLIENT13_WRITE_TRANSITION, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return WRITE_TRAN_ERROR; } st->hand_state = TLS_ST_OK; @@ -445,7 +443,7 @@ static WRITE_TRAN ossl_statem_client13_write_transition(SSL *s) && s->hello_retry_request == SSL_HRR_NONE) st->hand_state = TLS_ST_CW_CHANGE; else - st->hand_state = (s->s3->tmp.cert_req != 0) ? TLS_ST_CW_CERT + st->hand_state = (s->s3.tmp.cert_req != 0) ? TLS_ST_CW_CERT : TLS_ST_CW_FINISHED; return WRITE_TRAN_CONTINUE; @@ -458,13 +456,13 @@ static WRITE_TRAN ossl_statem_client13_write_transition(SSL *s) case TLS_ST_CW_END_OF_EARLY_DATA: case TLS_ST_CW_CHANGE: - st->hand_state = (s->s3->tmp.cert_req != 0) ? TLS_ST_CW_CERT + st->hand_state = (s->s3.tmp.cert_req != 0) ? TLS_ST_CW_CERT : TLS_ST_CW_FINISHED; return WRITE_TRAN_CONTINUE; case TLS_ST_CW_CERT: /* If a non-empty Certificate we also send CertificateVerify */ - st->hand_state = (s->s3->tmp.cert_req == 1) ? TLS_ST_CW_CERT_VRFY + st->hand_state = (s->s3.tmp.cert_req == 1) ? TLS_ST_CW_CERT_VRFY : TLS_ST_CW_FINISHED; return WRITE_TRAN_CONTINUE; @@ -473,12 +471,6 @@ static WRITE_TRAN ossl_statem_client13_write_transition(SSL *s) return WRITE_TRAN_CONTINUE; case TLS_ST_CR_KEY_UPDATE: - if (s->key_update != SSL_KEY_UPDATE_NONE) { - st->hand_state = TLS_ST_CW_KEY_UPDATE; - return WRITE_TRAN_CONTINUE; - } - /* Fall through */ - case TLS_ST_CW_KEY_UPDATE: case TLS_ST_CR_SESSION_TICKET: case TLS_ST_CW_FINISHED: @@ -515,9 +507,7 @@ WRITE_TRAN ossl_statem_client_write_transition(SSL *s) switch (st->hand_state) { default: /* Shouldn't happen */ - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_OSSL_STATEM_CLIENT_WRITE_TRANSITION, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return WRITE_TRAN_ERROR; case TLS_ST_OK: @@ -573,7 +563,7 @@ WRITE_TRAN ossl_statem_client_write_transition(SSL *s) return WRITE_TRAN_CONTINUE; case TLS_ST_CR_SRVR_DONE: - if (s->s3->tmp.cert_req) + if (s->s3.tmp.cert_req) st->hand_state = TLS_ST_CW_CERT; else st->hand_state = TLS_ST_CW_KEY_EXCH; @@ -594,12 +584,12 @@ WRITE_TRAN ossl_statem_client_write_transition(SSL *s) * need to skip the certificate verify message when client's * ECDH public key is sent inside the client certificate. */ - if (s->s3->tmp.cert_req == 1) { + if (s->s3.tmp.cert_req == 1) { st->hand_state = TLS_ST_CW_CERT_VRFY; } else { st->hand_state = TLS_ST_CW_CHANGE; } - if (s->s3->flags & TLS1_FLAGS_SKIP_CERT_VERIFY) { + if (s->s3.flags & TLS1_FLAGS_SKIP_CERT_VERIFY) { st->hand_state = TLS_ST_CW_CHANGE; } return WRITE_TRAN_CONTINUE; @@ -617,7 +607,7 @@ WRITE_TRAN ossl_statem_client_write_transition(SSL *s) #if defined(OPENSSL_NO_NEXTPROTONEG) st->hand_state = TLS_ST_CW_FINISHED; #else - if (!SSL_IS_DTLS(s) && s->s3->npn_seen) + if (!SSL_IS_DTLS(s) && s->s3.npn_seen) st->hand_state = TLS_ST_CW_NEXT_PROTO; else st->hand_state = TLS_ST_CW_FINISHED; @@ -802,14 +792,14 @@ WORK_STATE ossl_statem_client_post_work(SSL *s, WORK_STATE wst) return WORK_ERROR; break; } - s->session->cipher = s->s3->tmp.new_cipher; + s->session->cipher = s->s3.tmp.new_cipher; #ifdef OPENSSL_NO_COMP s->session->compress_meth = 0; #else - if (s->s3->tmp.new_compression == NULL) + if (s->s3.tmp.new_compression == NULL) s->session->compress_meth = 0; else - s->session->compress_meth = s->s3->tmp.new_compression->id; + s->session->compress_meth = s->s3.tmp.new_compression->id; #endif if (!s->method->ssl3_enc->setup_key_block(s)) { /* SSLfatal() already called */ @@ -896,9 +886,7 @@ int ossl_statem_client_construct_message(SSL *s, WPACKET *pkt, switch (st->hand_state) { default: /* Shouldn't happen */ - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_OSSL_STATEM_CLIENT_CONSTRUCT_MESSAGE, - SSL_R_BAD_HANDSHAKE_STATE); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_HANDSHAKE_STATE); return 0; case TLS_ST_CW_CHANGE: @@ -1021,7 +1009,7 @@ size_t ossl_statem_client_max_message_size(SSL *s) } /* - * Process a message that the client has been received from the server. + * Process a message that the client has received from the server. */ MSG_PROCESS_RETURN ossl_statem_client_process_message(SSL *s, PACKET *pkt) { @@ -1030,9 +1018,7 @@ MSG_PROCESS_RETURN ossl_statem_client_process_message(SSL *s, PACKET *pkt) switch (st->hand_state) { default: /* Shouldn't happen */ - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_OSSL_STATEM_CLIENT_PROCESS_MESSAGE, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return MSG_PROCESS_ERROR; case TLS_ST_CR_SRVR_HELLO: @@ -1090,11 +1076,12 @@ WORK_STATE ossl_statem_client_post_process_message(SSL *s, WORK_STATE wst) switch (st->hand_state) { default: /* Shouldn't happen */ - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_OSSL_STATEM_CLIENT_POST_PROCESS_MESSAGE, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return WORK_ERROR; + case TLS_ST_CR_CERT: + return tls_post_process_server_certificate(s, wst); + case TLS_ST_CR_CERT_VRFY: case TLS_ST_CR_CERT_REQ: return tls_prepare_client_certificate(s, wst); @@ -1112,18 +1099,10 @@ int tls_construct_client_hello(SSL *s, WPACKET *pkt) SSL_SESSION *sess = s->session; unsigned char *session_id; - if (!WPACKET_set_max_size(pkt, SSL3_RT_MAX_PLAIN_LENGTH)) { - /* Should not happen */ - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, ERR_R_INTERNAL_ERROR); - return 0; - } - /* Work out what SSL/TLS/DTLS version to use */ protverr = ssl_set_client_hello_version(s); if (protverr != 0) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, - protverr); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, protverr); return 0; } @@ -1138,7 +1117,7 @@ int tls_construct_client_hello(SSL *s, WPACKET *pkt) } /* else use the pre-loaded session */ - p = s->s3->client_random; + p = s->s3.client_random; /* * for DTLS if client_random is initialized, reuse it, we are @@ -1147,7 +1126,7 @@ int tls_construct_client_hello(SSL *s, WPACKET *pkt) if (SSL_IS_DTLS(s)) { size_t idx; i = 1; - for (idx = 0; idx < sizeof(s->s3->client_random); idx++) { + for (idx = 0; idx < sizeof(s->s3.client_random); idx++) { if (p[idx]) { i = 0; break; @@ -1157,10 +1136,9 @@ int tls_construct_client_hello(SSL *s, WPACKET *pkt) i = (s->hello_retry_request == SSL_HRR_NONE); } - if (i && ssl_fill_hello_random(s, 0, p, sizeof(s->s3->client_random), + if (i && ssl_fill_hello_random(s, 0, p, sizeof(s->s3.client_random), DOWNGRADE_NONE) <= 0) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } @@ -1198,9 +1176,8 @@ int tls_construct_client_hello(SSL *s, WPACKET *pkt) * supported_versions extension for the real supported versions. */ if (!WPACKET_put_bytes_u16(pkt, s->client_version) - || !WPACKET_memcpy(pkt, s->s3->client_random, SSL3_RANDOM_SIZE)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, - ERR_R_INTERNAL_ERROR); + || !WPACKET_memcpy(pkt, s->s3.client_random, SSL3_RANDOM_SIZE)) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } @@ -1213,10 +1190,9 @@ int tls_construct_client_hello(SSL *s, WPACKET *pkt) s->tmp_session_id_len = sess_id_len; session_id = s->tmp_session_id; if (s->hello_retry_request == SSL_HRR_NONE - && RAND_bytes(s->tmp_session_id, sess_id_len) <= 0) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, - ERR_R_INTERNAL_ERROR); + && RAND_bytes_ex(s->ctx->libctx, s->tmp_session_id, + sess_id_len) <= 0) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } } else { @@ -1234,8 +1210,7 @@ int tls_construct_client_hello(SSL *s, WPACKET *pkt) || (sess_id_len != 0 && !WPACKET_memcpy(pkt, session_id, sess_id_len)) || !WPACKET_close(pkt)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } @@ -1244,16 +1219,14 @@ int tls_construct_client_hello(SSL *s, WPACKET *pkt) if (s->d1->cookie_len > sizeof(s->d1->cookie) || !WPACKET_sub_memcpy_u8(pkt, s->d1->cookie, s->d1->cookie_len)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } } /* Ciphers supported */ if (!WPACKET_start_sub_packet_u16(pkt)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } @@ -1262,28 +1235,24 @@ int tls_construct_client_hello(SSL *s, WPACKET *pkt) return 0; } if (!WPACKET_close(pkt)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } /* COMPRESSION */ if (!WPACKET_start_sub_packet_u8(pkt)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } #ifndef OPENSSL_NO_COMP if (ssl_allow_compression(s) && s->ctx->comp_methods - && (SSL_IS_DTLS(s) || s->s3->tmp.max_ver < TLS1_3_VERSION)) { + && (SSL_IS_DTLS(s) || s->s3.tmp.max_ver < TLS1_3_VERSION)) { int compnum = sk_SSL_COMP_num(s->ctx->comp_methods); for (i = 0; i < compnum; i++) { comp = sk_SSL_COMP_value(s->ctx->comp_methods, i); if (!WPACKET_put_bytes_u8(pkt, comp->id)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } } @@ -1291,8 +1260,7 @@ int tls_construct_client_hello(SSL *s, WPACKET *pkt) #endif /* Add the NULL method */ if (!WPACKET_put_bytes_u8(pkt, 0) || !WPACKET_close(pkt)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } @@ -1312,21 +1280,18 @@ MSG_PROCESS_RETURN dtls_process_hello_verify(SSL *s, PACKET *pkt) if (!PACKET_forward(pkt, 2) || !PACKET_get_length_prefixed_1(pkt, &cookiepkt)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_DTLS_PROCESS_HELLO_VERIFY, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); return MSG_PROCESS_ERROR; } cookie_len = PACKET_remaining(&cookiepkt); if (cookie_len > sizeof(s->d1->cookie)) { - SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_DTLS_PROCESS_HELLO_VERIFY, - SSL_R_LENGTH_TOO_LONG); + SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_LENGTH_TOO_LONG); return MSG_PROCESS_ERROR; } if (!PACKET_copy_bytes(&cookiepkt, s->d1->cookie, cookie_len)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_DTLS_PROCESS_HELLO_VERIFY, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); return MSG_PROCESS_ERROR; } s->d1->cookie_len = cookie_len; @@ -1343,8 +1308,7 @@ static int set_client_ciphersuite(SSL *s, const unsigned char *cipherchars) c = ssl_get_cipher_by_char(s, cipherchars, 0); if (c == NULL) { /* unknown cipher */ - SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_SET_CLIENT_CIPHERSUITE, - SSL_R_UNKNOWN_CIPHER_RETURNED); + SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_UNKNOWN_CIPHER_RETURNED); return 0; } /* @@ -1352,8 +1316,7 @@ static int set_client_ciphersuite(SSL *s, const unsigned char *cipherchars) * or it's not allowed for the selected protocol. So we return an error. */ if (ssl_cipher_disabled(s, c, SSL_SECOP_CIPHER_CHECK, 1)) { - SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_SET_CLIENT_CIPHERSUITE, - SSL_R_WRONG_CIPHER_RETURNED); + SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_WRONG_CIPHER_RETURNED); return 0; } @@ -1361,16 +1324,14 @@ static int set_client_ciphersuite(SSL *s, const unsigned char *cipherchars) i = sk_SSL_CIPHER_find(sk, c); if (i < 0) { /* we did not say we would use this cipher */ - SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_SET_CLIENT_CIPHERSUITE, - SSL_R_WRONG_CIPHER_RETURNED); + SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_WRONG_CIPHER_RETURNED); return 0; } - if (SSL_IS_TLS13(s) && s->s3->tmp.new_cipher != NULL - && s->s3->tmp.new_cipher->id != c->id) { + if (SSL_IS_TLS13(s) && s->s3.tmp.new_cipher != NULL + && s->s3.tmp.new_cipher->id != c->id) { /* ServerHello selected a different ciphersuite to that in the HRR */ - SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_SET_CLIENT_CIPHERSUITE, - SSL_R_WRONG_CIPHER_RETURNED); + SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_WRONG_CIPHER_RETURNED); return 0; } @@ -1387,10 +1348,9 @@ static int set_client_ciphersuite(SSL *s, const unsigned char *cipherchars) * In TLSv1.3 it is valid for the server to select a different * ciphersuite as long as the hash is the same. */ - if (ssl_md(c->algorithm2) - != ssl_md(s->session->cipher->algorithm2)) { + if (ssl_md(s->ctx, c->algorithm2) + != ssl_md(s->ctx, s->session->cipher->algorithm2)) { SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, - SSL_F_SET_CLIENT_CIPHERSUITE, SSL_R_CIPHERSUITE_DIGEST_HAS_CHANGED); return 0; } @@ -1399,12 +1359,12 @@ static int set_client_ciphersuite(SSL *s, const unsigned char *cipherchars) * Prior to TLSv1.3 resuming a session always meant using the same * ciphersuite. */ - SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_SET_CLIENT_CIPHERSUITE, + SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_OLD_SESSION_CIPHER_NOT_RETURNED); return 0; } } - s->s3->tmp.new_cipher = c; + s->s3.tmp.new_cipher = c; return 1; } @@ -1424,8 +1384,7 @@ MSG_PROCESS_RETURN tls_process_server_hello(SSL *s, PACKET *pkt) #endif if (!PACKET_get_net_2(pkt, &sversion)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_SERVER_HELLO, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); goto err; } @@ -1437,41 +1396,35 @@ MSG_PROCESS_RETURN tls_process_server_hello(SSL *s, PACKET *pkt) s->hello_retry_request = SSL_HRR_PENDING; hrr = 1; if (!PACKET_forward(pkt, SSL3_RANDOM_SIZE)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_SERVER_HELLO, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); goto err; } } else { - if (!PACKET_copy_bytes(pkt, s->s3->server_random, SSL3_RANDOM_SIZE)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_SERVER_HELLO, - SSL_R_LENGTH_MISMATCH); + if (!PACKET_copy_bytes(pkt, s->s3.server_random, SSL3_RANDOM_SIZE)) { + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); goto err; } } /* Get the session-id. */ if (!PACKET_get_length_prefixed_1(pkt, &session_id)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_SERVER_HELLO, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); goto err; } session_id_len = PACKET_remaining(&session_id); if (session_id_len > sizeof(s->session->session_id) || session_id_len > SSL3_SESSION_ID_SIZE) { - SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_TLS_PROCESS_SERVER_HELLO, - SSL_R_SSL3_SESSION_ID_TOO_LONG); + SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_SSL3_SESSION_ID_TOO_LONG); goto err; } if (!PACKET_get_bytes(pkt, &cipherchars, TLS_CIPHER_LEN)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_SERVER_HELLO, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); goto err; } if (!PACKET_get_1(pkt, &compression)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_SERVER_HELLO, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); goto err; } @@ -1480,8 +1433,7 @@ MSG_PROCESS_RETURN tls_process_server_hello(SSL *s, PACKET *pkt) PACKET_null_init(&extpkt); } else if (!PACKET_as_length_prefixed_2(pkt, &extpkt) || PACKET_remaining(pkt) != 0) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_SERVER_HELLO, - SSL_R_BAD_LENGTH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_LENGTH); goto err; } @@ -1503,7 +1455,6 @@ MSG_PROCESS_RETURN tls_process_server_hello(SSL *s, PACKET *pkt) if (SSL_IS_TLS13(s) || hrr) { if (compression != 0) { SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, - SSL_F_TLS_PROCESS_SERVER_HELLO, SSL_R_INVALID_COMPRESSION_ALGORITHM); goto err; } @@ -1511,8 +1462,7 @@ MSG_PROCESS_RETURN tls_process_server_hello(SSL *s, PACKET *pkt) if (session_id_len != s->tmp_session_id_len || memcmp(PACKET_data(&session_id), s->tmp_session_id, session_id_len) != 0) { - SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, - SSL_F_TLS_PROCESS_SERVER_HELLO, SSL_R_INVALID_SESSION_ID); + SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_INVALID_SESSION_ID); goto err; } } @@ -1533,8 +1483,7 @@ MSG_PROCESS_RETURN tls_process_server_hello(SSL *s, PACKET *pkt) context = SSL_IS_TLS13(s) ? SSL_EXT_TLS1_3_SERVER_HELLO : SSL_EXT_TLS1_2_SERVER_HELLO; if (!tls_validate_all_contexts(s, context, extensions)) { - SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_TLS_PROCESS_SERVER_HELLO, - SSL_R_BAD_EXTENSION); + SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_EXTENSION); goto err; } @@ -1547,7 +1496,6 @@ MSG_PROCESS_RETURN tls_process_server_hello(SSL *s, PACKET *pkt) */ if (RECORD_LAYER_processed_read_pending(&s->rlayer)) { SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, - SSL_F_TLS_PROCESS_SERVER_HELLO, SSL_R_NOT_ON_RECORD_BOUNDARY); goto err; } @@ -1590,8 +1538,7 @@ MSG_PROCESS_RETURN tls_process_server_hello(SSL *s, PACKET *pkt) s->session->cipher = pref_cipher ? pref_cipher : ssl_get_cipher_by_char(s, cipherchars, 0); } else { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_TLS_PROCESS_SERVER_HELLO, ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); goto err; } } @@ -1608,7 +1555,6 @@ MSG_PROCESS_RETURN tls_process_server_hello(SSL *s, PACKET *pkt) || memcmp(s->session->sid_ctx, s->sid_ctx, s->sid_ctx_length)) { /* actually a client application bug */ SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, - SSL_F_TLS_PROCESS_SERVER_HELLO, SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT); goto err; } @@ -1620,10 +1566,7 @@ MSG_PROCESS_RETURN tls_process_server_hello(SSL *s, PACKET *pkt) * so the PAC-based session secret is always preserved. It'll be * overwritten if the server refuses resumption. */ - if (s->session->session_id_length > 0 - || (SSL_IS_TLS13(s) - && s->session->ext.tick_identity - != TLSEXT_PSK_BAD_IDENTITY)) { + if (s->session->session_id_length > 0) { tsan_counter(&s->session_ctx->stats.sess_miss); if (!ssl_get_new_session(s, 0)) { /* SSLfatal() already called */ @@ -1649,7 +1592,7 @@ MSG_PROCESS_RETURN tls_process_server_hello(SSL *s, PACKET *pkt) /* Session version and negotiated protocol version should match */ if (s->version != s->session->ssl_version) { - SSLfatal(s, SSL_AD_PROTOCOL_VERSION, SSL_F_TLS_PROCESS_SERVER_HELLO, + SSLfatal(s, SSL_AD_PROTOCOL_VERSION, SSL_R_SSL_SESSION_VERSION_MISMATCH); goto err; } @@ -1657,8 +1600,8 @@ MSG_PROCESS_RETURN tls_process_server_hello(SSL *s, PACKET *pkt) * Now that we know the version, update the check to see if it's an allowed * version. */ - s->s3->tmp.min_ver = s->version; - s->s3->tmp.max_ver = s->version; + s->s3.tmp.min_ver = s->version; + s->s3.tmp.max_ver = s->version; if (!set_client_ciphersuite(s, cipherchars)) { /* SSLfatal() already called */ @@ -1667,7 +1610,7 @@ MSG_PROCESS_RETURN tls_process_server_hello(SSL *s, PACKET *pkt) #ifdef OPENSSL_NO_COMP if (compression != 0) { - SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_TLS_PROCESS_SERVER_HELLO, + SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM); goto err; } @@ -1676,32 +1619,30 @@ MSG_PROCESS_RETURN tls_process_server_hello(SSL *s, PACKET *pkt) * using compression. */ if (s->session->compress_meth != 0) { - SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_F_TLS_PROCESS_SERVER_HELLO, - SSL_R_INCONSISTENT_COMPRESSION); + SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_INCONSISTENT_COMPRESSION); goto err; } #else if (s->hit && compression != s->session->compress_meth) { - SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_TLS_PROCESS_SERVER_HELLO, + SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_OLD_SESSION_COMPRESSION_ALGORITHM_NOT_RETURNED); goto err; } if (compression == 0) comp = NULL; else if (!ssl_allow_compression(s)) { - SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_TLS_PROCESS_SERVER_HELLO, - SSL_R_COMPRESSION_DISABLED); + SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_COMPRESSION_DISABLED); goto err; } else { comp = ssl3_comp_find(s->ctx->comp_methods, compression); } if (compression != 0 && comp == NULL) { - SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_TLS_PROCESS_SERVER_HELLO, + SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM); goto err; } else { - s->s3->tmp.new_compression = comp; + s->s3.tmp.new_compression = comp; } #endif @@ -1714,6 +1655,7 @@ MSG_PROCESS_RETURN tls_process_server_hello(SSL *s, PACKET *pkt) if (SSL_IS_DTLS(s) && s->hit) { unsigned char sctpauthkey[64]; char labelbuffer[sizeof(DTLS1_SCTP_AUTH_LABEL)]; + size_t labellen; /* * Add new shared key for SCTP-Auth, will be ignored if @@ -1722,12 +1664,16 @@ MSG_PROCESS_RETURN tls_process_server_hello(SSL *s, PACKET *pkt) memcpy(labelbuffer, DTLS1_SCTP_AUTH_LABEL, sizeof(DTLS1_SCTP_AUTH_LABEL)); + /* Don't include the terminating zero. */ + labellen = sizeof(labelbuffer) - 1; + if (s->mode & SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG) + labellen += 1; + if (SSL_export_keying_material(s, sctpauthkey, sizeof(sctpauthkey), labelbuffer, - sizeof(labelbuffer), NULL, 0, 0) <= 0) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_SERVER_HELLO, - ERR_R_INTERNAL_ERROR); + labellen, NULL, 0, 0) <= 0) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); goto err; } @@ -1779,18 +1725,12 @@ static MSG_PROCESS_RETURN tls_process_as_hello_retry_request(SSL *s, OPENSSL_free(extensions); extensions = NULL; - if (s->ext.tls13_cookie_len == 0 -#if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) - && s->s3->tmp.pkey != NULL -#endif - ) { + if (s->ext.tls13_cookie_len == 0 && s->s3.tmp.pkey != NULL) { /* * We didn't receive a cookie or a new key_share so the next * ClientHello will not change */ - SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, - SSL_F_TLS_PROCESS_AS_HELLO_RETRY_REQUEST, - SSL_R_NO_CHANGE_FOLLOWING_HRR); + SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_NO_CHANGE_FOLLOWING_HRR); goto err; } @@ -1821,22 +1761,17 @@ static MSG_PROCESS_RETURN tls_process_as_hello_retry_request(SSL *s, return MSG_PROCESS_ERROR; } +/* prepare server cert verification by setting s->session->peer_chain from pkt */ MSG_PROCESS_RETURN tls_process_server_certificate(SSL *s, PACKET *pkt) { - int i; - MSG_PROCESS_RETURN ret = MSG_PROCESS_ERROR; unsigned long cert_list_len, cert_len; X509 *x = NULL; const unsigned char *certstart, *certbytes; - STACK_OF(X509) *sk = NULL; - EVP_PKEY *pkey = NULL; - size_t chainidx, certidx; + size_t chainidx; unsigned int context = 0; - const SSL_CERT_LOOKUP *clu; - if ((sk = sk_X509_new_null()) == NULL) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_SERVER_CERTIFICATE, - ERR_R_MALLOC_FAILURE); + if ((s->session->peer_chain = sk_X509_new_null()) == NULL) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE); goto err; } @@ -1845,30 +1780,31 @@ MSG_PROCESS_RETURN tls_process_server_certificate(SSL *s, PACKET *pkt) || !PACKET_get_net_3(pkt, &cert_list_len) || PACKET_remaining(pkt) != cert_list_len || PACKET_remaining(pkt) == 0) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_SERVER_CERTIFICATE, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); goto err; } for (chainidx = 0; PACKET_remaining(pkt); chainidx++) { if (!PACKET_get_net_3(pkt, &cert_len) || !PACKET_get_bytes(pkt, &certbytes, cert_len)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, - SSL_F_TLS_PROCESS_SERVER_CERTIFICATE, - SSL_R_CERT_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_CERT_LENGTH_MISMATCH); goto err; } certstart = certbytes; - x = d2i_X509(NULL, (const unsigned char **)&certbytes, cert_len); + x = X509_new_ex(s->ctx->libctx, s->ctx->propq); if (x == NULL) { - SSLfatal(s, SSL_AD_BAD_CERTIFICATE, - SSL_F_TLS_PROCESS_SERVER_CERTIFICATE, ERR_R_ASN1_LIB); + SSLfatal(s, SSL_AD_DECODE_ERROR, ERR_R_MALLOC_FAILURE); + ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE); goto err; } + if (d2i_X509(&x, (const unsigned char **)&certbytes, + cert_len) == NULL) { + SSLfatal(s, SSL_AD_BAD_CERTIFICATE, ERR_R_ASN1_LIB); + goto err; + } + if (certbytes != (certstart + cert_len)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, - SSL_F_TLS_PROCESS_SERVER_CERTIFICATE, - SSL_R_CERT_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_CERT_LENGTH_MISMATCH); goto err; } @@ -1877,9 +1813,7 @@ MSG_PROCESS_RETURN tls_process_server_certificate(SSL *s, PACKET *pkt) PACKET extensions; if (!PACKET_get_length_prefixed_2(pkt, &extensions)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, - SSL_F_TLS_PROCESS_SERVER_CERTIFICATE, - SSL_R_BAD_LENGTH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_LENGTH); goto err; } if (!tls_collect_extensions(s, &extensions, @@ -1895,16 +1829,39 @@ MSG_PROCESS_RETURN tls_process_server_certificate(SSL *s, PACKET *pkt) OPENSSL_free(rawexts); } - if (!sk_X509_push(sk, x)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_TLS_PROCESS_SERVER_CERTIFICATE, - ERR_R_MALLOC_FAILURE); + if (!sk_X509_push(s->session->peer_chain, x)) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE); goto err; } x = NULL; } + return MSG_PROCESS_CONTINUE_PROCESSING; + + err: + X509_free(x); + sk_X509_pop_free(s->session->peer_chain, X509_free); + s->session->peer_chain = NULL; + return MSG_PROCESS_ERROR; +} + +/* + * Verify the s->session->peer_chain and check server cert type. + * On success set s->session->peer and s->session->verify_result. + * Else the peer certificate verification callback may request retry. + */ +WORK_STATE tls_post_process_server_certificate(SSL *s, WORK_STATE wst) +{ + X509 *x; + EVP_PKEY *pkey = NULL; + const SSL_CERT_LOOKUP *clu; + size_t certidx; + int i; - i = ssl_verify_cert_chain(s, sk); + i = ssl_verify_cert_chain(s, s->session->peer_chain); + if (i == -1) { + s->rwstate = SSL_RETRY_VERIFY; + return WORK_MORE_A; + } /* * The documented interface is that SSL_VERIFY_PEER should be set in order * for client side verification of the server certificate to take place. @@ -1921,40 +1878,32 @@ MSG_PROCESS_RETURN tls_process_server_certificate(SSL *s, PACKET *pkt) */ if (s->verify_mode != SSL_VERIFY_NONE && i <= 0) { SSLfatal(s, ssl_x509err2alert(s->verify_result), - SSL_F_TLS_PROCESS_SERVER_CERTIFICATE, SSL_R_CERTIFICATE_VERIFY_FAILED); - goto err; + return WORK_ERROR; } ERR_clear_error(); /* but we keep s->verify_result */ if (i > 1) { - SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, - SSL_F_TLS_PROCESS_SERVER_CERTIFICATE, i); - goto err; + SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, i); + return WORK_ERROR; } - s->session->peer_chain = sk; /* * Inconsistency alert: cert_chain does include the peer's certificate, * which we don't include in statem_srvr.c */ - x = sk_X509_value(sk, 0); - sk = NULL; + x = sk_X509_value(s->session->peer_chain, 0); pkey = X509_get0_pubkey(x); if (pkey == NULL || EVP_PKEY_missing_parameters(pkey)) { - x = NULL; - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_SERVER_CERTIFICATE, + SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_UNABLE_TO_FIND_PUBLIC_KEY_PARAMETERS); - goto err; + return WORK_ERROR; } if ((clu = ssl_cert_lookup_by_pkey(pkey, &certidx)) == NULL) { - x = NULL; - SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, - SSL_F_TLS_PROCESS_SERVER_CERTIFICATE, - SSL_R_UNKNOWN_CERTIFICATE_TYPE); - goto err; + SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_UNKNOWN_CERTIFICATE_TYPE); + return WORK_ERROR; } /* * Check certificate type is consistent with ciphersuite. For TLS 1.3 @@ -1962,21 +1911,16 @@ MSG_PROCESS_RETURN tls_process_server_certificate(SSL *s, PACKET *pkt) * type. */ if (!SSL_IS_TLS13(s)) { - if ((clu->amask & s->s3->tmp.new_cipher->algorithm_auth) == 0) { - x = NULL; - SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, - SSL_F_TLS_PROCESS_SERVER_CERTIFICATE, - SSL_R_WRONG_CERTIFICATE_TYPE); - goto err; + if ((clu->amask & s->s3.tmp.new_cipher->algorithm_auth) == 0) { + SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_WRONG_CERTIFICATE_TYPE); + return WORK_ERROR; } } - s->session->peer_type = certidx; X509_free(s->session->peer); X509_up_ref(x); s->session->peer = x; s->session->verify_result = s->verify_result; - x = NULL; /* Save the current hash state for when we receive the CertificateVerify */ if (SSL_IS_TLS13(s) @@ -1984,15 +1928,9 @@ MSG_PROCESS_RETURN tls_process_server_certificate(SSL *s, PACKET *pkt) sizeof(s->cert_verify_hash), &s->cert_verify_hash_len)) { /* SSLfatal() already called */; - goto err; + return WORK_ERROR; } - - ret = MSG_PROCESS_CONTINUE_READING; - - err: - X509_free(x); - sk_X509_pop_free(sk, X509_free); - return ret; + return WORK_FINISHED_CONTINUE; } static int tls_process_ske_psk_preamble(SSL *s, PACKET *pkt) @@ -2003,8 +1941,7 @@ static int tls_process_ske_psk_preamble(SSL *s, PACKET *pkt) /* PSK ciphersuites are preceded by an identity hint */ if (!PACKET_get_length_prefixed_2(pkt, &psk_identity_hint)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_SKE_PSK_PREAMBLE, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); return 0; } @@ -2015,9 +1952,7 @@ static int tls_process_ske_psk_preamble(SSL *s, PACKET *pkt) * identity. */ if (PACKET_remaining(&psk_identity_hint) > PSK_MAX_IDENTITY_LEN) { - SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, - SSL_F_TLS_PROCESS_SKE_PSK_PREAMBLE, - SSL_R_DATA_LENGTH_TOO_LONG); + SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_DATA_LENGTH_TOO_LONG); return 0; } @@ -2026,15 +1961,13 @@ static int tls_process_ske_psk_preamble(SSL *s, PACKET *pkt) s->session->psk_identity_hint = NULL; } else if (!PACKET_strndup(&psk_identity_hint, &s->session->psk_identity_hint)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_SKE_PSK_PREAMBLE, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } return 1; #else - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_SKE_PSK_PREAMBLE, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; #endif } @@ -2048,8 +1981,7 @@ static int tls_process_ske_srp(SSL *s, PACKET *pkt, EVP_PKEY **pkey) || !PACKET_get_length_prefixed_2(pkt, &generator) || !PACKET_get_length_prefixed_1(pkt, &salt) || !PACKET_get_length_prefixed_2(pkt, &server_pub)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_SKE_SRP, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); return 0; } @@ -2066,8 +1998,7 @@ static int tls_process_ske_srp(SSL *s, PACKET *pkt, EVP_PKEY **pkey) || (s->srp_ctx.B = BN_bin2bn(PACKET_data(&server_pub), (int)PACKET_remaining(&server_pub), NULL)) == NULL) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_SKE_SRP, - ERR_R_BN_LIB); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_BN_LIB); return 0; } @@ -2077,45 +2008,33 @@ static int tls_process_ske_srp(SSL *s, PACKET *pkt, EVP_PKEY **pkey) } /* We must check if there is a certificate */ - if (s->s3->tmp.new_cipher->algorithm_auth & (SSL_aRSA | SSL_aDSS)) + if (s->s3.tmp.new_cipher->algorithm_auth & (SSL_aRSA | SSL_aDSS)) *pkey = X509_get0_pubkey(s->session->peer); return 1; #else - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_SKE_SRP, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; #endif } static int tls_process_ske_dhe(SSL *s, PACKET *pkt, EVP_PKEY **pkey) { -#ifndef OPENSSL_NO_DH PACKET prime, generator, pub_key; EVP_PKEY *peer_tmp = NULL; - - DH *dh = NULL; BIGNUM *p = NULL, *g = NULL, *bnpub_key = NULL; - - int check_bits = 0; + EVP_PKEY_CTX *pctx = NULL; + OSSL_PARAM *params = NULL; + OSSL_PARAM_BLD *tmpl = NULL; + int ret = 0; if (!PACKET_get_length_prefixed_2(pkt, &prime) || !PACKET_get_length_prefixed_2(pkt, &generator) || !PACKET_get_length_prefixed_2(pkt, &pub_key)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_SKE_DHE, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); return 0; } - peer_tmp = EVP_PKEY_new(); - dh = DH_new(); - - if (peer_tmp == NULL || dh == NULL) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_SKE_DHE, - ERR_R_MALLOC_FAILURE); - goto err; - } - /* TODO(size_t): Convert these calls */ p = BN_bin2bn(PACKET_data(&prime), (int)PACKET_remaining(&prime), NULL); g = BN_bin2bn(PACKET_data(&generator), (int)PACKET_remaining(&generator), @@ -2123,80 +2042,80 @@ static int tls_process_ske_dhe(SSL *s, PACKET *pkt, EVP_PKEY **pkey) bnpub_key = BN_bin2bn(PACKET_data(&pub_key), (int)PACKET_remaining(&pub_key), NULL); if (p == NULL || g == NULL || bnpub_key == NULL) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_SKE_DHE, - ERR_R_BN_LIB); - goto err; - } - - /* test non-zero pubkey */ - if (BN_is_zero(bnpub_key)) { - SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_TLS_PROCESS_SKE_DHE, - SSL_R_BAD_DH_VALUE); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_BN_LIB); goto err; } - if (!DH_set0_pqg(dh, p, NULL, g)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_SKE_DHE, - ERR_R_BN_LIB); + tmpl = OSSL_PARAM_BLD_new(); + if (tmpl == NULL + || !OSSL_PARAM_BLD_push_BN(tmpl, OSSL_PKEY_PARAM_FFC_P, p) + || !OSSL_PARAM_BLD_push_BN(tmpl, OSSL_PKEY_PARAM_FFC_G, g) + || !OSSL_PARAM_BLD_push_BN(tmpl, OSSL_PKEY_PARAM_PUB_KEY, + bnpub_key) + || (params = OSSL_PARAM_BLD_to_param(tmpl)) == NULL) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); goto err; } - p = g = NULL; - if (DH_check_params(dh, &check_bits) == 0 || check_bits != 0) { - SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_TLS_PROCESS_SKE_DHE, - SSL_R_BAD_DH_VALUE); + pctx = EVP_PKEY_CTX_new_from_name(s->ctx->libctx, "DH", s->ctx->propq); + if (pctx == NULL) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); goto err; } - - if (!DH_set0_key(dh, bnpub_key, NULL)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_SKE_DHE, - ERR_R_BN_LIB); + if (EVP_PKEY_fromdata_init(pctx) <= 0 + || EVP_PKEY_fromdata(pctx, &peer_tmp, EVP_PKEY_KEYPAIR, params) <= 0) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_DH_VALUE); goto err; } - bnpub_key = NULL; - if (!ssl_security(s, SSL_SECOP_TMP_DH, DH_security_bits(dh), 0, dh)) { - SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_F_TLS_PROCESS_SKE_DHE, - SSL_R_DH_KEY_TOO_SMALL); + EVP_PKEY_CTX_free(pctx); + pctx = EVP_PKEY_CTX_new_from_pkey(s->ctx->libctx, peer_tmp, s->ctx->propq); + if (pctx == NULL + /* + * EVP_PKEY_param_check() will verify that the DH params are using + * a safe prime. In this context, because we're using ephemeral DH, + * we're ok with it not being a safe prime. + * EVP_PKEY_param_check_quick() skips the safe prime check. + */ + || EVP_PKEY_param_check_quick(pctx) != 1 + || EVP_PKEY_public_check(pctx) != 1) { + SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_DH_VALUE); goto err; } - if (EVP_PKEY_assign_DH(peer_tmp, dh) == 0) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_SKE_DHE, - ERR_R_EVP_LIB); + if (!ssl_security(s, SSL_SECOP_TMP_DH, EVP_PKEY_security_bits(peer_tmp), + 0, peer_tmp)) { + SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_DH_KEY_TOO_SMALL); goto err; } - s->s3->peer_tmp = peer_tmp; + s->s3.peer_tmp = peer_tmp; + peer_tmp = NULL; /* * FIXME: This makes assumptions about which ciphersuites come with * public keys. We should have a less ad-hoc way of doing this */ - if (s->s3->tmp.new_cipher->algorithm_auth & (SSL_aRSA | SSL_aDSS)) + if (s->s3.tmp.new_cipher->algorithm_auth & (SSL_aRSA | SSL_aDSS)) *pkey = X509_get0_pubkey(s->session->peer); /* else anonymous DH, so no certificate or pkey. */ - return 1; + ret = 1; err: + OSSL_PARAM_BLD_free(tmpl); + OSSL_PARAM_free(params); + EVP_PKEY_free(peer_tmp); + EVP_PKEY_CTX_free(pctx); BN_free(p); BN_free(g); BN_free(bnpub_key); - DH_free(dh); - EVP_PKEY_free(peer_tmp); - return 0; -#else - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_SKE_DHE, - ERR_R_INTERNAL_ERROR); - return 0; -#endif + return ret; } static int tls_process_ske_ecdhe(SSL *s, PACKET *pkt, EVP_PKEY **pkey) { -#ifndef OPENSSL_NO_EC PACKET encoded_pt; unsigned int curve_type, curve_id; @@ -2206,8 +2125,7 @@ static int tls_process_ske_ecdhe(SSL *s, PACKET *pkt, EVP_PKEY **pkey) * ECParameters in this case is just three bytes. */ if (!PACKET_get_1(pkt, &curve_type) || !PACKET_get_net_2(pkt, &curve_id)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_SKE_ECDHE, - SSL_R_LENGTH_TOO_SHORT); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_TOO_SHORT); return 0; } /* @@ -2216,28 +2134,25 @@ static int tls_process_ske_ecdhe(SSL *s, PACKET *pkt, EVP_PKEY **pkey) */ if (curve_type != NAMED_CURVE_TYPE || !tls1_check_group_id(s, curve_id, 1)) { - SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_TLS_PROCESS_SKE_ECDHE, - SSL_R_WRONG_CURVE); + SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_WRONG_CURVE); return 0; } - if ((s->s3->peer_tmp = ssl_generate_param_group(curve_id)) == NULL) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_SKE_ECDHE, + if ((s->s3.peer_tmp = ssl_generate_param_group(s, curve_id)) == NULL) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_UNABLE_TO_FIND_ECDH_PARAMETERS); return 0; } if (!PACKET_get_length_prefixed_1(pkt, &encoded_pt)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_SKE_ECDHE, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); return 0; } - if (!EVP_PKEY_set1_tls_encodedpoint(s->s3->peer_tmp, - PACKET_data(&encoded_pt), - PACKET_remaining(&encoded_pt))) { - SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_F_TLS_PROCESS_SKE_ECDHE, - SSL_R_BAD_ECPOINT); + if (EVP_PKEY_set1_encoded_public_key(s->s3.peer_tmp, + PACKET_data(&encoded_pt), + PACKET_remaining(&encoded_pt)) <= 0) { + SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_ECPOINT); return 0; } @@ -2246,18 +2161,13 @@ static int tls_process_ske_ecdhe(SSL *s, PACKET *pkt, EVP_PKEY **pkey) * ECParameters in the server key exchange message. We do support RSA * and ECDSA. */ - if (s->s3->tmp.new_cipher->algorithm_auth & SSL_aECDSA) + if (s->s3.tmp.new_cipher->algorithm_auth & SSL_aECDSA) *pkey = X509_get0_pubkey(s->session->peer); - else if (s->s3->tmp.new_cipher->algorithm_auth & SSL_aRSA) + else if (s->s3.tmp.new_cipher->algorithm_auth & SSL_aRSA) *pkey = X509_get0_pubkey(s->session->peer); /* else anonymous ECDH, so no certificate or pkey. */ return 1; -#else - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_SKE_ECDHE, - ERR_R_INTERNAL_ERROR); - return 0; -#endif } MSG_PROCESS_RETURN tls_process_key_exchange(SSL *s, PACKET *pkt) @@ -2268,14 +2178,12 @@ MSG_PROCESS_RETURN tls_process_key_exchange(SSL *s, PACKET *pkt) EVP_PKEY_CTX *pctx = NULL; PACKET save_param_start, signature; - alg_k = s->s3->tmp.new_cipher->algorithm_mkey; + alg_k = s->s3.tmp.new_cipher->algorithm_mkey; save_param_start = *pkt; -#if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) - EVP_PKEY_free(s->s3->peer_tmp); - s->s3->peer_tmp = NULL; -#endif + EVP_PKEY_free(s->s3.peer_tmp); + s->s3.peer_tmp = NULL; if (alg_k & SSL_PSK) { if (!tls_process_ske_psk_preamble(s, pkt)) { @@ -2302,15 +2210,13 @@ MSG_PROCESS_RETURN tls_process_key_exchange(SSL *s, PACKET *pkt) goto err; } } else if (alg_k) { - SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_F_TLS_PROCESS_KEY_EXCHANGE, - SSL_R_UNEXPECTED_MESSAGE); + SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_UNEXPECTED_MESSAGE); goto err; } /* if it was signed, check the signature */ if (pkey != NULL) { PACKET params; - int maxsig; const EVP_MD *md = NULL; unsigned char *tbs; size_t tbslen; @@ -2323,8 +2229,7 @@ MSG_PROCESS_RETURN tls_process_key_exchange(SSL *s, PACKET *pkt) if (!PACKET_get_sub_packet(&save_param_start, ¶ms, PACKET_remaining(&save_param_start) - PACKET_remaining(pkt))) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_KEY_EXCHANGE, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_DECODE_ERROR, ERR_R_INTERNAL_ERROR); goto err; } @@ -2332,8 +2237,7 @@ MSG_PROCESS_RETURN tls_process_key_exchange(SSL *s, PACKET *pkt) unsigned int sigalg; if (!PACKET_get_net_2(pkt, &sigalg)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_KEY_EXCHANGE, - SSL_R_LENGTH_TOO_SHORT); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_TOO_SHORT); goto err; } if (tls12_check_peer_sigalg(s, sigalg, pkey) <=0) { @@ -2341,63 +2245,43 @@ MSG_PROCESS_RETURN tls_process_key_exchange(SSL *s, PACKET *pkt) goto err; } } else if (!tls1_set_peer_legacy_sigalg(s, pkey)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_KEY_EXCHANGE, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); goto err; } - if (!tls1_lookup_md(s->s3->tmp.peer_sigalg, &md)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_KEY_EXCHANGE, - ERR_R_INTERNAL_ERROR); + if (!tls1_lookup_md(s->ctx, s->s3.tmp.peer_sigalg, &md)) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, + SSL_R_NO_SUITABLE_DIGEST_ALGORITHM); goto err; } -#ifdef SSL_DEBUG if (SSL_USE_SIGALGS(s)) - fprintf(stderr, "USING TLSv1.2 HASH %s\n", - md == NULL ? "n/a" : EVP_MD_name(md)); -#endif + OSSL_TRACE1(TLS, "USING TLSv1.2 HASH %s\n", + md == NULL ? "n/a" : EVP_MD_name(md)); if (!PACKET_get_length_prefixed_2(pkt, &signature) || PACKET_remaining(pkt) != 0) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_KEY_EXCHANGE, - SSL_R_LENGTH_MISMATCH); - goto err; - } - maxsig = EVP_PKEY_size(pkey); - if (maxsig < 0) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_KEY_EXCHANGE, - ERR_R_INTERNAL_ERROR); - goto err; - } - - /* - * Check signature length - */ - if (PACKET_remaining(&signature) > (size_t)maxsig) { - /* wrong packet length */ - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_KEY_EXCHANGE, - SSL_R_WRONG_SIGNATURE_LENGTH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); goto err; } md_ctx = EVP_MD_CTX_new(); if (md_ctx == NULL) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_KEY_EXCHANGE, - ERR_R_MALLOC_FAILURE); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE); goto err; } - if (EVP_DigestVerifyInit(md_ctx, &pctx, md, NULL, pkey) <= 0) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_KEY_EXCHANGE, - ERR_R_EVP_LIB); + if (EVP_DigestVerifyInit_ex(md_ctx, &pctx, + md == NULL ? NULL : EVP_MD_name(md), + s->ctx->libctx, s->ctx->propq, pkey, + NULL) <= 0) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB); goto err; } if (SSL_USE_PSS(s)) { if (EVP_PKEY_CTX_set_rsa_padding(pctx, RSA_PKCS1_PSS_PADDING) <= 0 || EVP_PKEY_CTX_set_rsa_pss_saltlen(pctx, RSA_PSS_SALTLEN_DIGEST) <= 0) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_TLS_PROCESS_KEY_EXCHANGE, ERR_R_EVP_LIB); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB); goto err; } } @@ -2412,28 +2296,25 @@ MSG_PROCESS_RETURN tls_process_key_exchange(SSL *s, PACKET *pkt) PACKET_remaining(&signature), tbs, tbslen); OPENSSL_free(tbs); if (rv <= 0) { - SSLfatal(s, SSL_AD_DECRYPT_ERROR, SSL_F_TLS_PROCESS_KEY_EXCHANGE, - SSL_R_BAD_SIGNATURE); + SSLfatal(s, SSL_AD_DECRYPT_ERROR, SSL_R_BAD_SIGNATURE); goto err; } EVP_MD_CTX_free(md_ctx); md_ctx = NULL; } else { /* aNULL, aSRP or PSK do not need public keys */ - if (!(s->s3->tmp.new_cipher->algorithm_auth & (SSL_aNULL | SSL_aSRP)) + if (!(s->s3.tmp.new_cipher->algorithm_auth & (SSL_aNULL | SSL_aSRP)) && !(alg_k & SSL_PSK)) { /* Might be wrong key type, check it */ if (ssl3_check_cert_and_algorithm(s)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_KEY_EXCHANGE, - SSL_R_BAD_DATA); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_DATA); } /* else this shouldn't happen, SSLfatal() already called */ goto err; } /* still data left over */ if (PACKET_remaining(pkt) != 0) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_KEY_EXCHANGE, - SSL_R_EXTRA_DATA_IN_MESSAGE); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_EXTRA_DATA_IN_MESSAGE); goto err; } } @@ -2450,7 +2331,7 @@ MSG_PROCESS_RETURN tls_process_certificate_request(SSL *s, PACKET *pkt) /* Clear certificate validity flags */ for (i = 0; i < SSL_PKEY_NUM; i++) - s->s3->tmp.valid_flags[i] = 0; + s->s3.tmp.valid_flags[i] = 0; if (SSL_IS_TLS13(s)) { PACKET reqctx, extensions; @@ -2466,24 +2347,21 @@ MSG_PROCESS_RETURN tls_process_certificate_request(SSL *s, PACKET *pkt) } /* Free and zero certificate types: it is not present in TLS 1.3 */ - OPENSSL_free(s->s3->tmp.ctype); - s->s3->tmp.ctype = NULL; - s->s3->tmp.ctype_len = 0; + OPENSSL_free(s->s3.tmp.ctype); + s->s3.tmp.ctype = NULL; + s->s3.tmp.ctype_len = 0; OPENSSL_free(s->pha_context); s->pha_context = NULL; + s->pha_context_len = 0; if (!PACKET_get_length_prefixed_1(pkt, &reqctx) || !PACKET_memdup(&reqctx, &s->pha_context, &s->pha_context_len)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, - SSL_F_TLS_PROCESS_CERTIFICATE_REQUEST, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); return MSG_PROCESS_ERROR; } if (!PACKET_get_length_prefixed_2(pkt, &extensions)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, - SSL_F_TLS_PROCESS_CERTIFICATE_REQUEST, - SSL_R_BAD_LENGTH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_LENGTH); return MSG_PROCESS_ERROR; } if (!tls_collect_extensions(s, &extensions, @@ -2497,9 +2375,7 @@ MSG_PROCESS_RETURN tls_process_certificate_request(SSL *s, PACKET *pkt) } OPENSSL_free(rawexts); if (!tls1_process_sigalgs(s)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_TLS_PROCESS_CERTIFICATE_REQUEST, - SSL_R_BAD_LENGTH); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_LENGTH); return MSG_PROCESS_ERROR; } } else { @@ -2507,16 +2383,12 @@ MSG_PROCESS_RETURN tls_process_certificate_request(SSL *s, PACKET *pkt) /* get the certificate types */ if (!PACKET_get_length_prefixed_1(pkt, &ctypes)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, - SSL_F_TLS_PROCESS_CERTIFICATE_REQUEST, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); return MSG_PROCESS_ERROR; } - if (!PACKET_memdup(&ctypes, &s->s3->tmp.ctype, &s->s3->tmp.ctype_len)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_TLS_PROCESS_CERTIFICATE_REQUEST, - ERR_R_INTERNAL_ERROR); + if (!PACKET_memdup(&ctypes, &s->s3.tmp.ctype, &s->s3.tmp.ctype_len)) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return MSG_PROCESS_ERROR; } @@ -2524,9 +2396,7 @@ MSG_PROCESS_RETURN tls_process_certificate_request(SSL *s, PACKET *pkt) PACKET sigalgs; if (!PACKET_get_length_prefixed_2(pkt, &sigalgs)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, - SSL_F_TLS_PROCESS_CERTIFICATE_REQUEST, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); return MSG_PROCESS_ERROR; } @@ -2536,14 +2406,11 @@ MSG_PROCESS_RETURN tls_process_certificate_request(SSL *s, PACKET *pkt) */ if (!tls1_save_sigalgs(s, &sigalgs, 0)) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_TLS_PROCESS_CERTIFICATE_REQUEST, SSL_R_SIGNATURE_ALGORITHMS_ERROR); return MSG_PROCESS_ERROR; } if (!tls1_process_sigalgs(s)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_TLS_PROCESS_CERTIFICATE_REQUEST, - ERR_R_MALLOC_FAILURE); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE); return MSG_PROCESS_ERROR; } } @@ -2556,21 +2423,19 @@ MSG_PROCESS_RETURN tls_process_certificate_request(SSL *s, PACKET *pkt) } if (PACKET_remaining(pkt) != 0) { - SSLfatal(s, SSL_AD_DECODE_ERROR, - SSL_F_TLS_PROCESS_CERTIFICATE_REQUEST, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); return MSG_PROCESS_ERROR; } /* we should setup a certificate to return.... */ - s->s3->tmp.cert_req = 1; + s->s3.tmp.cert_req = 1; /* * In TLSv1.3 we don't prepare the client certificate yet. We wait until * after the CertificateVerify message has been received. This is because * in TLSv1.3 the CertificateRequest arrives before the Certificate message * but in TLSv1.2 it is the other way around. We want to make sure that - * SSL_get_peer_certificate() returns something sensible in + * SSL_get1_peer_certificate() returns something sensible in * client_cert_cb. */ if (SSL_IS_TLS13(s) && s->post_handshake_auth != SSL_PHA_REQUESTED) @@ -2586,6 +2451,7 @@ MSG_PROCESS_RETURN tls_process_new_session_ticket(SSL *s, PACKET *pkt) unsigned int sess_len; RAW_EXTENSION *exts = NULL; PACKET nonce; + EVP_MD *sha256 = NULL; PACKET_null_init(&nonce); @@ -2596,8 +2462,7 @@ MSG_PROCESS_RETURN tls_process_new_session_ticket(SSL *s, PACKET *pkt) || !PACKET_get_net_2(pkt, &ticklen) || (SSL_IS_TLS13(s) ? (ticklen == 0 || PACKET_remaining(pkt) < ticklen) : PACKET_remaining(pkt) != ticklen)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_NEW_SESSION_TICKET, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); goto err; } @@ -2625,9 +2490,7 @@ MSG_PROCESS_RETURN tls_process_new_session_ticket(SSL *s, PACKET *pkt) * one */ if ((new_sess = ssl_session_dup(s->session, 0)) == 0) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_TLS_PROCESS_NEW_SESSION_TICKET, - ERR_R_MALLOC_FAILURE); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE); goto err; } @@ -2657,13 +2520,11 @@ MSG_PROCESS_RETURN tls_process_new_session_ticket(SSL *s, PACKET *pkt) s->session->ext.tick = OPENSSL_malloc(ticklen); if (s->session->ext.tick == NULL) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_NEW_SESSION_TICKET, - ERR_R_MALLOC_FAILURE); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE); goto err; } if (!PACKET_copy_bytes(pkt, s->session->ext.tick, ticklen)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_NEW_SESSION_TICKET, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); goto err; } @@ -2676,9 +2537,7 @@ MSG_PROCESS_RETURN tls_process_new_session_ticket(SSL *s, PACKET *pkt) if (!PACKET_as_length_prefixed_2(pkt, &extpkt) || PACKET_remaining(pkt) != 0) { - SSLfatal(s, SSL_AD_DECODE_ERROR, - SSL_F_TLS_PROCESS_NEW_SESSION_TICKET, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); goto err; } @@ -2701,20 +2560,27 @@ MSG_PROCESS_RETURN tls_process_new_session_ticket(SSL *s, PACKET *pkt) * other way is to set zero length session ID when the ticket is * presented and rely on the handshake to determine session resumption. * We choose the former approach because this fits in with assumptions - * elsewhere in OpenSSL. The session ID is set to the SHA256 (or SHA1 is - * SHA256 is disabled) hash of the ticket. + * elsewhere in OpenSSL. The session ID is set to the SHA256 hash of the + * ticket. */ + sha256 = EVP_MD_fetch(s->ctx->libctx, "SHA2-256", s->ctx->propq); + if (sha256 == NULL) { + /* Error is already recorded */ + SSLfatal_alert(s, SSL_AD_INTERNAL_ERROR); + goto err; + } /* * TODO(size_t): we use sess_len here because EVP_Digest expects an int * but s->session->session_id_length is a size_t */ if (!EVP_Digest(s->session->ext.tick, ticklen, s->session->session_id, &sess_len, - EVP_sha256(), NULL)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_NEW_SESSION_TICKET, - ERR_R_EVP_LIB); + sha256, NULL)) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB); goto err; } + EVP_MD_free(sha256); + sha256 = NULL; s->session->session_id_length = sess_len; s->session->not_resumable = 0; @@ -2727,9 +2593,7 @@ MSG_PROCESS_RETURN tls_process_new_session_ticket(SSL *s, PACKET *pkt) /* Ensure cast to size_t is safe */ if (!ossl_assert(hashleni >= 0)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_TLS_PROCESS_NEW_SESSION_TICKET, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); goto err; } hashlen = (size_t)hashleni; @@ -2753,6 +2617,7 @@ MSG_PROCESS_RETURN tls_process_new_session_ticket(SSL *s, PACKET *pkt) return MSG_PROCESS_CONTINUE_READING; err: + EVP_MD_free(sha256); OPENSSL_free(exts); return MSG_PROCESS_ERROR; } @@ -2768,28 +2633,25 @@ int tls_process_cert_status_body(SSL *s, PACKET *pkt) if (!PACKET_get_1(pkt, &type) || type != TLSEXT_STATUSTYPE_ocsp) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_CERT_STATUS_BODY, - SSL_R_UNSUPPORTED_STATUS_TYPE); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_UNSUPPORTED_STATUS_TYPE); return 0; } if (!PACKET_get_net_3_len(pkt, &resplen) || PACKET_remaining(pkt) != resplen) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_CERT_STATUS_BODY, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); return 0; } s->ext.ocsp.resp = OPENSSL_malloc(resplen); if (s->ext.ocsp.resp == NULL) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_CERT_STATUS_BODY, - ERR_R_MALLOC_FAILURE); + s->ext.ocsp.resp_len = 0; + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE); return 0; } + s->ext.ocsp.resp_len = resplen; if (!PACKET_copy_bytes(pkt, s->ext.ocsp.resp, resplen)) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_CERT_STATUS_BODY, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); return 0; } - s->ext.ocsp.resp_len = resplen; return 1; } @@ -2833,14 +2695,12 @@ int tls_process_initial_server_flight(SSL *s) if (ret == 0) { SSLfatal(s, SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE, - SSL_F_TLS_PROCESS_INITIAL_SERVER_FLIGHT, SSL_R_INVALID_STATUS_RESPONSE); return 0; } if (ret < 0) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_TLS_PROCESS_INITIAL_SERVER_FLIGHT, - ERR_R_MALLOC_FAILURE); + SSL_R_OCSP_CALLBACK_FAILURE); return 0; } } @@ -2861,15 +2721,13 @@ MSG_PROCESS_RETURN tls_process_server_done(SSL *s, PACKET *pkt) { if (PACKET_remaining(pkt) > 0) { /* should contain no data */ - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_SERVER_DONE, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); return MSG_PROCESS_ERROR; } #ifndef OPENSSL_NO_SRP - if (s->s3->tmp.new_cipher->algorithm_mkey & SSL_kSRP) { - if (SRP_Calc_A_param(s) <= 0) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PROCESS_SERVER_DONE, - SSL_R_SRP_A_CALC); + if (s->s3.tmp.new_cipher->algorithm_mkey & SSL_kSRP) { + if (ssl_srp_calc_a_param_intern(s) <= 0) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_SRP_A_CALC); return MSG_PROCESS_ERROR; } } @@ -2900,8 +2758,7 @@ static int tls_construct_cke_psk_preamble(SSL *s, WPACKET *pkt) size_t psklen = 0; if (s->psk_client_callback == NULL) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_PSK_PREAMBLE, - SSL_R_PSK_NO_CLIENT_CB); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_PSK_NO_CLIENT_CB); goto err; } @@ -2912,42 +2769,37 @@ static int tls_construct_cke_psk_preamble(SSL *s, WPACKET *pkt) psk, sizeof(psk)); if (psklen > PSK_MAX_PSK_LEN) { - SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, - SSL_F_TLS_CONSTRUCT_CKE_PSK_PREAMBLE, ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, ERR_R_INTERNAL_ERROR); + psklen = PSK_MAX_PSK_LEN; /* Avoid overrunning the array on cleanse */ goto err; } else if (psklen == 0) { - SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, - SSL_F_TLS_CONSTRUCT_CKE_PSK_PREAMBLE, - SSL_R_PSK_IDENTITY_NOT_FOUND); + SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_PSK_IDENTITY_NOT_FOUND); goto err; } identitylen = strlen(identity); if (identitylen > PSK_MAX_IDENTITY_LEN) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_PSK_PREAMBLE, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); goto err; } tmppsk = OPENSSL_memdup(psk, psklen); tmpidentity = OPENSSL_strdup(identity); if (tmppsk == NULL || tmpidentity == NULL) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_PSK_PREAMBLE, - ERR_R_MALLOC_FAILURE); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE); goto err; } - OPENSSL_free(s->s3->tmp.psk); - s->s3->tmp.psk = tmppsk; - s->s3->tmp.psklen = psklen; + OPENSSL_free(s->s3.tmp.psk); + s->s3.tmp.psk = tmppsk; + s->s3.tmp.psklen = psklen; tmppsk = NULL; OPENSSL_free(s->session->psk_identity); s->session->psk_identity = tmpidentity; tmpidentity = NULL; if (!WPACKET_sub_memcpy_u16(pkt, identity, identitylen)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_PSK_PREAMBLE, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); goto err; } @@ -2961,15 +2813,13 @@ static int tls_construct_cke_psk_preamble(SSL *s, WPACKET *pkt) return ret; #else - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_PSK_PREAMBLE, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; #endif } static int tls_construct_cke_rsa(SSL *s, WPACKET *pkt) { -#ifndef OPENSSL_NO_RSA unsigned char *encdata = NULL; EVP_PKEY *pkey = NULL; EVP_PKEY_CTX *pctx = NULL; @@ -2981,52 +2831,46 @@ static int tls_construct_cke_rsa(SSL *s, WPACKET *pkt) /* * We should always have a server certificate with SSL_kRSA. */ - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } pkey = X509_get0_pubkey(s->session->peer); - if (EVP_PKEY_get0_RSA(pkey) == NULL) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, - ERR_R_INTERNAL_ERROR); + if (!EVP_PKEY_is_a(pkey, "RSA")) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } pmslen = SSL_MAX_MASTER_KEY_LENGTH; pms = OPENSSL_malloc(pmslen); if (pms == NULL) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, - ERR_R_MALLOC_FAILURE); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE); return 0; } pms[0] = s->client_version >> 8; pms[1] = s->client_version & 0xff; /* TODO(size_t): Convert this function */ - if (RAND_bytes(pms + 2, (int)(pmslen - 2)) <= 0) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, - ERR_R_MALLOC_FAILURE); + if (RAND_bytes_ex(s->ctx->libctx, pms + 2, (int)(pmslen - 2)) <= 0) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE); goto err; } /* Fix buf for TLS and beyond */ if (s->version > SSL3_VERSION && !WPACKET_start_sub_packet_u16(pkt)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); goto err; } - pctx = EVP_PKEY_CTX_new(pkey, NULL); + + pctx = EVP_PKEY_CTX_new_from_pkey(s->ctx->libctx, pkey, s->ctx->propq); if (pctx == NULL || EVP_PKEY_encrypt_init(pctx) <= 0 || EVP_PKEY_encrypt(pctx, NULL, &enclen, pms, pmslen) <= 0) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, - ERR_R_EVP_LIB); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB); goto err; } if (!WPACKET_allocate_bytes(pkt, enclen, &encdata) || EVP_PKEY_encrypt(pctx, encdata, &enclen, pms, pmslen) <= 0) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, - SSL_R_BAD_RSA_ENCRYPT); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_RSA_ENCRYPT); goto err; } EVP_PKEY_CTX_free(pctx); @@ -3034,8 +2878,7 @@ static int tls_construct_cke_rsa(SSL *s, WPACKET *pkt) /* Fix buf for TLS and beyond */ if (s->version > SSL3_VERSION && !WPACKET_close(pkt)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); goto err; } @@ -3045,8 +2888,8 @@ static int tls_construct_cke_rsa(SSL *s, WPACKET *pkt) goto err; } - s->s3->tmp.pms = pms; - s->s3->tmp.pmslen = pmslen; + s->s3.tmp.pms = pms; + s->s3.tmp.pmslen = pmslen; return 1; err: @@ -3054,40 +2897,26 @@ static int tls_construct_cke_rsa(SSL *s, WPACKET *pkt) EVP_PKEY_CTX_free(pctx); return 0; -#else - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA, - ERR_R_INTERNAL_ERROR); - return 0; -#endif } static int tls_construct_cke_dhe(SSL *s, WPACKET *pkt) { -#ifndef OPENSSL_NO_DH - DH *dh_clnt = NULL; - const BIGNUM *pub_key; EVP_PKEY *ckey = NULL, *skey = NULL; unsigned char *keybytes = NULL; + int prime_len; + unsigned char *encoded_pub = NULL; + size_t encoded_pub_len, pad_len; + int ret = 0; - skey = s->s3->peer_tmp; + skey = s->s3.peer_tmp; if (skey == NULL) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_DHE, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); goto err; } - ckey = ssl_generate_pkey(skey); + ckey = ssl_generate_pkey(s, skey); if (ckey == NULL) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_DHE, - ERR_R_INTERNAL_ERROR); - goto err; - } - - dh_clnt = EVP_PKEY_get0_DH(ckey); - - if (dh_clnt == NULL) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_DHE, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); goto err; } @@ -3097,47 +2926,58 @@ static int tls_construct_cke_dhe(SSL *s, WPACKET *pkt) } /* send off the data */ - DH_get0_key(dh_clnt, &pub_key, NULL); - if (!WPACKET_sub_allocate_bytes_u16(pkt, BN_num_bytes(pub_key), - &keybytes)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_DHE, - ERR_R_INTERNAL_ERROR); - goto err; + + /* Generate encoding of server key */ + encoded_pub_len = EVP_PKEY_get1_encoded_public_key(ckey, &encoded_pub); + if (encoded_pub_len == 0) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); + EVP_PKEY_free(skey); + return EXT_RETURN_FAIL; } - BN_bn2bin(pub_key, keybytes); - EVP_PKEY_free(ckey); + /* + * For interoperability with some versions of the Microsoft TLS + * stack, we need to zero pad the DHE pub key to the same length + * as the prime. + */ + prime_len = EVP_PKEY_size(ckey); + pad_len = prime_len - encoded_pub_len; + if (pad_len > 0) { + if (!WPACKET_sub_allocate_bytes_u16(pkt, pad_len, &keybytes)) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); + goto err; + } + memset(keybytes, 0, pad_len); + } - return 1; + if (!WPACKET_sub_memcpy_u16(pkt, encoded_pub, encoded_pub_len)) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); + goto err; + } + + ret = 1; err: + OPENSSL_free(encoded_pub); EVP_PKEY_free(ckey); - return 0; -#else - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_DHE, - ERR_R_INTERNAL_ERROR); - return 0; -#endif + return ret; } static int tls_construct_cke_ecdhe(SSL *s, WPACKET *pkt) { -#ifndef OPENSSL_NO_EC unsigned char *encodedPoint = NULL; size_t encoded_pt_len = 0; EVP_PKEY *ckey = NULL, *skey = NULL; int ret = 0; - skey = s->s3->peer_tmp; + skey = s->s3.peer_tmp; if (skey == NULL) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_ECDHE, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } - ckey = ssl_generate_pkey(skey); + ckey = ssl_generate_pkey(s, skey); if (ckey == NULL) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_ECDHE, - ERR_R_MALLOC_FAILURE); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE); goto err; } @@ -3147,17 +2987,15 @@ static int tls_construct_cke_ecdhe(SSL *s, WPACKET *pkt) } /* Generate encoding of client key */ - encoded_pt_len = EVP_PKEY_get1_tls_encodedpoint(ckey, &encodedPoint); + encoded_pt_len = EVP_PKEY_get1_encoded_public_key(ckey, &encodedPoint); if (encoded_pt_len == 0) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_ECDHE, - ERR_R_EC_LIB); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EC_LIB); goto err; } if (!WPACKET_sub_memcpy_u8(pkt, encodedPoint, encoded_pt_len)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_ECDHE, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); goto err; } @@ -3166,11 +3004,6 @@ static int tls_construct_cke_ecdhe(SSL *s, WPACKET *pkt) OPENSSL_free(encodedPoint); EVP_PKEY_free(ckey); return ret; -#else - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_ECDHE, - ERR_R_INTERNAL_ERROR); - return 0; -#endif } static int tls_construct_cke_gost(SSL *s, WPACKET *pkt) @@ -3187,23 +3020,24 @@ static int tls_construct_cke_gost(SSL *s, WPACKET *pkt) unsigned char *pms = NULL; size_t pmslen = 0; - if ((s->s3->tmp.new_cipher->algorithm_auth & SSL_aGOST12) != 0) + if ((s->s3.tmp.new_cipher->algorithm_auth & SSL_aGOST12) != 0) dgst_nid = NID_id_GostR3411_2012_256; /* * Get server certificate PKEY and create ctx from it */ peer_cert = s->session->peer; - if (!peer_cert) { - SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_F_TLS_CONSTRUCT_CKE_GOST, - SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER); + if (peer_cert == NULL) { + SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, + SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER); return 0; } - pkey_ctx = EVP_PKEY_CTX_new(X509_get0_pubkey(peer_cert), NULL); + pkey_ctx = EVP_PKEY_CTX_new_from_pkey(s->ctx->libctx, + X509_get0_pubkey(peer_cert), + s->ctx->propq); if (pkey_ctx == NULL) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_GOST, - ERR_R_MALLOC_FAILURE); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE); return 0; } /* @@ -3216,8 +3050,7 @@ static int tls_construct_cke_gost(SSL *s, WPACKET *pkt) pmslen = 32; pms = OPENSSL_malloc(pmslen); if (pms == NULL) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_GOST, - ERR_R_MALLOC_FAILURE); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE); goto err; } @@ -3225,9 +3058,8 @@ static int tls_construct_cke_gost(SSL *s, WPACKET *pkt) /* Generate session key * TODO(size_t): Convert this function */ - || RAND_bytes(pms, (int)pmslen) <= 0) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_GOST, - ERR_R_INTERNAL_ERROR); + || RAND_bytes_ex(s->ctx->libctx, pms, (int)pmslen) <= 0) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); goto err; }; /* @@ -3237,21 +3069,19 @@ static int tls_construct_cke_gost(SSL *s, WPACKET *pkt) ukm_hash = EVP_MD_CTX_new(); if (ukm_hash == NULL || EVP_DigestInit(ukm_hash, EVP_get_digestbynid(dgst_nid)) <= 0 - || EVP_DigestUpdate(ukm_hash, s->s3->client_random, + || EVP_DigestUpdate(ukm_hash, s->s3.client_random, SSL3_RANDOM_SIZE) <= 0 - || EVP_DigestUpdate(ukm_hash, s->s3->server_random, + || EVP_DigestUpdate(ukm_hash, s->s3.server_random, SSL3_RANDOM_SIZE) <= 0 || EVP_DigestFinal_ex(ukm_hash, shared_ukm, &md_len) <= 0) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_GOST, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); goto err; } EVP_MD_CTX_free(ukm_hash); ukm_hash = NULL; if (EVP_PKEY_CTX_ctrl(pkey_ctx, -1, EVP_PKEY_OP_ENCRYPT, EVP_PKEY_CTRL_SET_IV, 8, shared_ukm) < 0) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_GOST, - SSL_R_LIBRARY_BUG); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_LIBRARY_BUG); goto err; } /* Make GOST keytransport blob message */ @@ -3260,22 +3090,20 @@ static int tls_construct_cke_gost(SSL *s, WPACKET *pkt) */ msglen = 255; if (EVP_PKEY_encrypt(pkey_ctx, tmp, &msglen, pms, pmslen) <= 0) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_GOST, - SSL_R_LIBRARY_BUG); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_LIBRARY_BUG); goto err; } if (!WPACKET_put_bytes_u8(pkt, V_ASN1_SEQUENCE | V_ASN1_CONSTRUCTED) || (msglen >= 0x80 && !WPACKET_put_bytes_u8(pkt, 0x81)) || !WPACKET_sub_memcpy_u8(pkt, tmp, msglen)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_GOST, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); goto err; } EVP_PKEY_CTX_free(pkey_ctx); - s->s3->tmp.pms = pms; - s->s3->tmp.pmslen = pmslen; + s->s3.tmp.pms = pms; + s->s3.tmp.pmslen = pmslen; return 1; err: @@ -3284,8 +3112,138 @@ static int tls_construct_cke_gost(SSL *s, WPACKET *pkt) EVP_MD_CTX_free(ukm_hash); return 0; #else - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_GOST, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); + return 0; +#endif +} + +#ifndef OPENSSL_NO_GOST +int ossl_gost18_cke_cipher_nid(const SSL *s) +{ + if ((s->s3.tmp.new_cipher->algorithm_enc & SSL_MAGMA) != 0) + return NID_magma_ctr; + else if ((s->s3.tmp.new_cipher->algorithm_enc & SSL_KUZNYECHIK) != 0) + return NID_kuznyechik_ctr; + + return NID_undef; +} + +int ossl_gost_ukm(const SSL *s, unsigned char *dgst_buf) +{ + EVP_MD_CTX * hash = NULL; + unsigned int md_len; + const EVP_MD *md = ssl_evp_md_fetch(s->ctx->libctx, NID_id_GostR3411_2012_256, s->ctx->propq); + + if (md == NULL) + return 0; + + if ((hash = EVP_MD_CTX_new()) == NULL + || EVP_DigestInit(hash, md) <= 0 + || EVP_DigestUpdate(hash, s->s3.client_random, SSL3_RANDOM_SIZE) <= 0 + || EVP_DigestUpdate(hash, s->s3.server_random, SSL3_RANDOM_SIZE) <= 0 + || EVP_DigestFinal_ex(hash, dgst_buf, &md_len) <= 0) { + EVP_MD_CTX_free(hash); + ssl_evp_md_free(md); + return 0; + } + + EVP_MD_CTX_free(hash); + ssl_evp_md_free(md); + return 1; +} +#endif + +static int tls_construct_cke_gost18(SSL *s, WPACKET *pkt) +{ +#ifndef OPENSSL_NO_GOST + /* GOST 2018 key exchange message creation */ + unsigned char rnd_dgst[32], tmp[255]; + EVP_PKEY_CTX *pkey_ctx = NULL; + X509 *peer_cert; + unsigned char *pms = NULL; + size_t pmslen = 0; + size_t msglen; + int cipher_nid = ossl_gost18_cke_cipher_nid(s); + + if (cipher_nid == NID_undef) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); + return 0; + } + + if (ossl_gost_ukm(s, rnd_dgst) <= 0) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); + goto err; + } + + /* Pre-master secret - random bytes */ + pmslen = 32; + pms = OPENSSL_malloc(pmslen); + if (pms == NULL) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE); + goto err; + } + + if (RAND_bytes_ex(s->ctx->libctx, pms, (int)pmslen) <= 0) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); + goto err; + } + + /* Get server certificate PKEY and create ctx from it */ + peer_cert = s->session->peer; + if (peer_cert == NULL) { + SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, + SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER); + return 0; + } + + pkey_ctx = EVP_PKEY_CTX_new_from_pkey(s->ctx->libctx, + X509_get0_pubkey(peer_cert), + s->ctx->propq); + if (pkey_ctx == NULL) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE); + return 0; + } + + if (EVP_PKEY_encrypt_init(pkey_ctx) <= 0 ) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); + goto err; + }; + + /* Reuse EVP_PKEY_CTRL_SET_IV, make choice in engine code */ + if (EVP_PKEY_CTX_ctrl(pkey_ctx, -1, EVP_PKEY_OP_ENCRYPT, + EVP_PKEY_CTRL_SET_IV, 32, rnd_dgst) < 0) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_LIBRARY_BUG); + goto err; + } + + if (EVP_PKEY_CTX_ctrl(pkey_ctx, -1, EVP_PKEY_OP_ENCRYPT, + EVP_PKEY_CTRL_CIPHER, cipher_nid, NULL) < 0) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_LIBRARY_BUG); + goto err; + } + + msglen = 255; + if (EVP_PKEY_encrypt(pkey_ctx, tmp, &msglen, pms, pmslen) <= 0) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_LIBRARY_BUG); + goto err; + } + + if (!WPACKET_memcpy(pkt, tmp, msglen)) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); + goto err; + } + + EVP_PKEY_CTX_free(pkey_ctx); + s->s3.tmp.pms = pms; + s->s3.tmp.pmslen = pmslen; + + return 1; + err: + EVP_PKEY_CTX_free(pkey_ctx); + OPENSSL_clear_free(pms, pmslen); + return 0; +#else + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; #endif } @@ -3298,8 +3256,7 @@ static int tls_construct_cke_srp(SSL *s, WPACKET *pkt) if (s->srp_ctx.A == NULL || !WPACKET_sub_allocate_bytes_u16(pkt, BN_num_bytes(s->srp_ctx.A), &abytes)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_SRP, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } BN_bn2bin(s->srp_ctx.A, abytes); @@ -3307,15 +3264,13 @@ static int tls_construct_cke_srp(SSL *s, WPACKET *pkt) OPENSSL_free(s->session->srp_username); s->session->srp_username = OPENSSL_strdup(s->srp_ctx.login); if (s->session->srp_username == NULL) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_SRP, - ERR_R_MALLOC_FAILURE); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE); return 0; } return 1; #else - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_SRP, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; #endif } @@ -3324,7 +3279,7 @@ int tls_construct_client_key_exchange(SSL *s, WPACKET *pkt) { unsigned long alg_k; - alg_k = s->s3->tmp.new_cipher->algorithm_mkey; + alg_k = s->s3.tmp.new_cipher->algorithm_mkey; /* * All of the construct functions below call SSLfatal() if necessary so @@ -3346,22 +3301,26 @@ int tls_construct_client_key_exchange(SSL *s, WPACKET *pkt) } else if (alg_k & SSL_kGOST) { if (!tls_construct_cke_gost(s, pkt)) goto err; + } else if (alg_k & SSL_kGOST18) { + if (!tls_construct_cke_gost18(s, pkt)) + goto err; } else if (alg_k & SSL_kSRP) { if (!tls_construct_cke_srp(s, pkt)) goto err; } else if (!(alg_k & SSL_kPSK)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_TLS_CONSTRUCT_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); goto err; } return 1; err: - OPENSSL_clear_free(s->s3->tmp.pms, s->s3->tmp.pmslen); - s->s3->tmp.pms = NULL; + OPENSSL_clear_free(s->s3.tmp.pms, s->s3.tmp.pmslen); + s->s3.tmp.pms = NULL; + s->s3.tmp.pmslen = 0; #ifndef OPENSSL_NO_PSK - OPENSSL_clear_free(s->s3->tmp.psk, s->s3->tmp.psklen); - s->s3->tmp.psk = NULL; + OPENSSL_clear_free(s->s3.tmp.psk, s->s3.tmp.psklen); + s->s3.tmp.psk = NULL; + s->s3.tmp.psklen = 0; #endif return 0; } @@ -3371,12 +3330,12 @@ int tls_client_key_exchange_post_work(SSL *s) unsigned char *pms = NULL; size_t pmslen = 0; - pms = s->s3->tmp.pms; - pmslen = s->s3->tmp.pmslen; + pms = s->s3.tmp.pms; + pmslen = s->s3.tmp.pmslen; #ifndef OPENSSL_NO_SRP /* Check for SRP */ - if (s->s3->tmp.new_cipher->algorithm_mkey & SSL_kSRP) { + if (s->s3.tmp.new_cipher->algorithm_mkey & SSL_kSRP) { if (!srp_generate_client_master_secret(s)) { /* SSLfatal() already called */ goto err; @@ -3385,9 +3344,8 @@ int tls_client_key_exchange_post_work(SSL *s) } #endif - if (pms == NULL && !(s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_TLS_CLIENT_KEY_EXCHANGE_POST_WORK, ERR_R_MALLOC_FAILURE); + if (pms == NULL && !(s->s3.tmp.new_cipher->algorithm_mkey & SSL_kPSK)) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE); goto err; } if (!ssl_generate_master_secret(s, pms, pmslen, 1)) { @@ -3404,6 +3362,7 @@ int tls_client_key_exchange_post_work(SSL *s) if (SSL_IS_DTLS(s)) { unsigned char sctpauthkey[64]; char labelbuffer[sizeof(DTLS1_SCTP_AUTH_LABEL)]; + size_t labellen; /* * Add new shared key for SCTP-Auth, will be ignored if no SCTP @@ -3412,12 +3371,15 @@ int tls_client_key_exchange_post_work(SSL *s) memcpy(labelbuffer, DTLS1_SCTP_AUTH_LABEL, sizeof(DTLS1_SCTP_AUTH_LABEL)); + /* Don't include the terminating zero. */ + labellen = sizeof(labelbuffer) - 1; + if (s->mode & SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG) + labellen += 1; + if (SSL_export_keying_material(s, sctpauthkey, sizeof(sctpauthkey), labelbuffer, - sizeof(labelbuffer), NULL, 0, 0) <= 0) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_TLS_CLIENT_KEY_EXCHANGE_POST_WORK, - ERR_R_INTERNAL_ERROR); + labellen, NULL, 0, 0) <= 0) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); goto err; } @@ -3429,7 +3391,8 @@ int tls_client_key_exchange_post_work(SSL *s) return 1; err: OPENSSL_clear_free(pms, pmslen); - s->s3->tmp.pms = NULL; + s->s3.tmp.pms = NULL; + s->s3.tmp.pmslen = 0; return 0; } @@ -3441,7 +3404,7 @@ int tls_client_key_exchange_post_work(SSL *s) static int ssl3_check_client_certificate(SSL *s) { /* If no suitable signature algorithm can't use certificate */ - if (!tls_choose_sigalg(s, 0) || s->s3->tmp.sigalg == NULL) + if (!tls_choose_sigalg(s, 0) || s->s3.tmp.sigalg == NULL) return 0; /* * If strict mode check suitability of chain before using it. This also @@ -3468,9 +3431,7 @@ WORK_STATE tls_prepare_client_certificate(SSL *s, WORK_STATE wst) return WORK_MORE_A; } if (i == 0) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_TLS_PREPARE_CLIENT_CERTIFICATE, - SSL_R_CALLBACK_FAILED); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_CALLBACK_FAILED); return WORK_ERROR; } s->rwstate = SSL_NOTHING; @@ -3503,8 +3464,7 @@ WORK_STATE tls_prepare_client_certificate(SSL *s, WORK_STATE wst) i = 0; } else if (i == 1) { i = 0; - SSLerr(SSL_F_TLS_PREPARE_CLIENT_CERTIFICATE, - SSL_R_BAD_DATA_RETURNED_BY_CALLBACK); + ERR_raise(ERR_LIB_SSL, SSL_R_BAD_DATA_RETURNED_BY_CALLBACK); } X509_free(x509); @@ -3513,11 +3473,11 @@ WORK_STATE tls_prepare_client_certificate(SSL *s, WORK_STATE wst) i = 0; if (i == 0) { if (s->version == SSL3_VERSION) { - s->s3->tmp.cert_req = 0; + s->s3.tmp.cert_req = 0; ssl3_send_alert(s, SSL3_AL_WARNING, SSL_AD_NO_CERTIFICATE); return WORK_FINISHED_CONTINUE; } else { - s->s3->tmp.cert_req = 2; + s->s3.tmp.cert_req = 2; if (!ssl3_digest_cached_records(s, 0)) { /* SSLfatal() already called */ return WORK_ERROR; @@ -3531,8 +3491,7 @@ WORK_STATE tls_prepare_client_certificate(SSL *s, WORK_STATE wst) } /* Shouldn't ever get here */ - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_PREPARE_CLIENT_CERTIFICATE, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return WORK_ERROR; } @@ -3542,18 +3501,16 @@ int tls_construct_client_certificate(SSL *s, WPACKET *pkt) if (s->pha_context == NULL) { /* no context available, add 0-length context */ if (!WPACKET_put_bytes_u8(pkt, 0)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_TLS_CONSTRUCT_CLIENT_CERTIFICATE, ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } } else if (!WPACKET_sub_memcpy_u8(pkt, s->pha_context, s->pha_context_len)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_TLS_CONSTRUCT_CLIENT_CERTIFICATE, ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } } if (!ssl3_output_cert_chain(s, pkt, - (s->s3->tmp.cert_req == 2) ? NULL + (s->s3.tmp.cert_req == 2) ? NULL : s->cert->key)) { /* SSLfatal() already called */ return 0; @@ -3567,8 +3524,7 @@ int tls_construct_client_certificate(SSL *s, WPACKET *pkt) * This is a fatal error, which leaves enc_write_ctx in an inconsistent * state and thus ssl3_send_alert may crash. */ - SSLfatal(s, SSL_AD_NO_ALERT, SSL_F_TLS_CONSTRUCT_CLIENT_CERTIFICATE, - SSL_R_CANNOT_CHANGE_CIPHER); + SSLfatal(s, SSL_AD_NO_ALERT, SSL_R_CANNOT_CHANGE_CIPHER); return 0; } @@ -3581,8 +3537,8 @@ int ssl3_check_cert_and_algorithm(SSL *s) size_t idx; long alg_k, alg_a; - alg_k = s->s3->tmp.new_cipher->algorithm_mkey; - alg_a = s->s3->tmp.new_cipher->algorithm_auth; + alg_k = s->s3.tmp.new_cipher->algorithm_mkey; + alg_a = s->s3.tmp.new_cipher->algorithm_auth; /* we don't have a certificate */ if (!(alg_a & SSL_aCERT)) @@ -3593,36 +3549,27 @@ int ssl3_check_cert_and_algorithm(SSL *s) /* Check certificate is recognised and suitable for cipher */ if (clu == NULL || (alg_a & clu->amask) == 0) { - SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, - SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM, - SSL_R_MISSING_SIGNING_CERT); + SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_MISSING_SIGNING_CERT); return 0; } -#ifndef OPENSSL_NO_EC if (clu->amask & SSL_aECDSA) { if (ssl_check_srvr_ecc_cert_and_alg(s->session->peer, s)) return 1; - SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, - SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM, SSL_R_BAD_ECC_CERT); + SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_BAD_ECC_CERT); return 0; } -#endif -#ifndef OPENSSL_NO_RSA + if (alg_k & (SSL_kRSA | SSL_kRSAPSK) && idx != SSL_PKEY_RSA) { SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, - SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM, SSL_R_MISSING_RSA_ENCRYPTING_CERT); return 0; } -#endif -#ifndef OPENSSL_NO_DH - if ((alg_k & SSL_kDHE) && (s->s3->peer_tmp == NULL)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM, - ERR_R_INTERNAL_ERROR); + + if ((alg_k & SSL_kDHE) && (s->s3.peer_tmp == NULL)) { + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } -#endif return 1; } @@ -3638,8 +3585,7 @@ int tls_construct_next_proto(SSL *s, WPACKET *pkt) if (!WPACKET_sub_memcpy_u8(pkt, s->ext.npn, len) || !WPACKET_sub_allocate_bytes_u8(pkt, padding_len, &padding)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_NEXT_PROTO, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } @@ -3653,8 +3599,7 @@ MSG_PROCESS_RETURN tls_process_hello_req(SSL *s, PACKET *pkt) { if (PACKET_remaining(pkt) > 0) { /* should contain no data */ - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_HELLO_REQ, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); return MSG_PROCESS_ERROR; } @@ -3685,8 +3630,7 @@ static MSG_PROCESS_RETURN tls_process_encrypted_extensions(SSL *s, PACKET *pkt) if (!PACKET_as_length_prefixed_2(pkt, &extensions) || PACKET_remaining(pkt) != 0) { - SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_TLS_PROCESS_ENCRYPTED_EXTENSIONS, - SSL_R_LENGTH_MISMATCH); + SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH); goto err; } @@ -3712,9 +3656,7 @@ int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey) int i = 0; #ifndef OPENSSL_NO_ENGINE if (s->ctx->client_cert_engine) { - i = ENGINE_load_ssl_client_cert(s->ctx->client_cert_engine, s, - SSL_get_client_CA_list(s), - px509, ppkey, NULL, NULL, NULL); + i = tls_engine_load_ssl_client_cert(s, px509, ppkey); if (i != 0) return i; } @@ -3732,14 +3674,12 @@ int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk, WPACKET *pkt) /* Set disabled masks for this session */ if (!ssl_set_client_disabled(s)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_CIPHER_LIST_TO_BYTES, - SSL_R_NO_PROTOCOLS_AVAILABLE); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_NO_PROTOCOLS_AVAILABLE); return 0; } if (sk == NULL) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_CIPHER_LIST_TO_BYTES, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } @@ -3773,20 +3713,19 @@ int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk, WPACKET *pkt) continue; if (!s->method->put_cipher_by_char(c, pkt, &len)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_CIPHER_LIST_TO_BYTES, - ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } /* Sanity check that the maximum version we offer has ciphers enabled */ if (!maxverok) { if (SSL_IS_DTLS(s)) { - if (DTLS_VERSION_GE(c->max_dtls, s->s3->tmp.max_ver) - && DTLS_VERSION_LE(c->min_dtls, s->s3->tmp.max_ver)) + if (DTLS_VERSION_GE(c->max_dtls, s->s3.tmp.max_ver) + && DTLS_VERSION_LE(c->min_dtls, s->s3.tmp.max_ver)) maxverok = 1; } else { - if (c->max_tls >= s->s3->tmp.max_ver - && c->min_tls <= s->s3->tmp.max_ver) + if (c->max_tls >= s->s3.tmp.max_ver + && c->min_tls <= s->s3.tmp.max_ver) maxverok = 1; } } @@ -3795,13 +3734,13 @@ int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk, WPACKET *pkt) } if (totlen == 0 || !maxverok) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_CIPHER_LIST_TO_BYTES, - SSL_R_NO_CIPHERS_AVAILABLE); - - if (!maxverok) - ERR_add_error_data(1, "No ciphers enabled for max supported " - "SSL/TLS version"); + const char *maxvertext = + !maxverok + ? "No ciphers enabled for max supported SSL/TLS version" + : NULL; + SSLfatal_data(s, SSL_AD_INTERNAL_ERROR, SSL_R_NO_CIPHERS_AVAILABLE, + maxvertext); return 0; } @@ -3811,8 +3750,7 @@ int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk, WPACKET *pkt) 0, NULL, NULL, SSL3_CK_SCSV, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; if (!s->method->put_cipher_by_char(&scsv, pkt, &len)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_SSL_CIPHER_LIST_TO_BYTES, ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } } @@ -3821,8 +3759,7 @@ int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk, WPACKET *pkt) 0, NULL, NULL, SSL3_CK_FALLBACK_SCSV, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; if (!s->method->put_cipher_by_char(&scsv, pkt, &len)) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_SSL_CIPHER_LIST_TO_BYTES, ERR_R_INTERNAL_ERROR); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR); return 0; } } @@ -3835,9 +3772,7 @@ int tls_construct_end_of_early_data(SSL *s, WPACKET *pkt) { if (s->early_data_state != SSL_EARLY_DATA_WRITE_RETRY && s->early_data_state != SSL_EARLY_DATA_FINISHED_WRITING) { - SSLfatal(s, SSL_AD_INTERNAL_ERROR, - SSL_F_TLS_CONSTRUCT_END_OF_EARLY_DATA, - ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); + SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); return 0; }