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| author | djm <> | 2012-10-13 21:25:14 +0000 |
|---|---|---|
| committer | djm <> | 2012-10-13 21:25:14 +0000 |
| commit | 942650cdef05a877200cb7aff3a075935a5fd0cd (patch) | |
| tree | 281e0a29ae8f87a8c47fbd4deaa1f3d48b8cc5c1 /src/lib/libssl/s3_srvr.c | |
| parent | 37f091539f73e1650c83acd0c78677ef48c209a6 (diff) | |
| download | openbsd-942650cdef05a877200cb7aff3a075935a5fd0cd.tar.gz openbsd-942650cdef05a877200cb7aff3a075935a5fd0cd.tar.bz2 openbsd-942650cdef05a877200cb7aff3a075935a5fd0cd.zip | |
resolve conflicts
Diffstat (limited to 'src/lib/libssl/s3_srvr.c')
| -rw-r--r-- | src/lib/libssl/s3_srvr.c | 546 |
1 files changed, 460 insertions, 86 deletions
diff --git a/src/lib/libssl/s3_srvr.c b/src/lib/libssl/s3_srvr.c index d734c359fb..118939fabb 100644 --- a/src/lib/libssl/s3_srvr.c +++ b/src/lib/libssl/s3_srvr.c | |||
| @@ -179,6 +179,31 @@ static const SSL_METHOD *ssl3_get_server_method(int ver) | |||
| 179 | return(NULL); | 179 | return(NULL); |
| 180 | } | 180 | } |
| 181 | 181 | ||
| 182 | #ifndef OPENSSL_NO_SRP | ||
| 183 | static int ssl_check_srp_ext_ClientHello(SSL *s, int *al) | ||
| 184 | { | ||
| 185 | int ret = SSL_ERROR_NONE; | ||
| 186 | |||
| 187 | *al = SSL_AD_UNRECOGNIZED_NAME; | ||
| 188 | |||
| 189 | if ((s->s3->tmp.new_cipher->algorithm_mkey & SSL_kSRP) && | ||
| 190 | (s->srp_ctx.TLS_ext_srp_username_callback != NULL)) | ||
| 191 | { | ||
| 192 | if(s->srp_ctx.login == NULL) | ||
| 193 | { | ||
| 194 | /* There isn't any srp login extension !!! */ | ||
| 195 | ret = SSL3_AL_FATAL; | ||
| 196 | *al = SSL_AD_UNKNOWN_PSK_IDENTITY; | ||
| 197 | } | ||
| 198 | else | ||
| 199 | { | ||
| 200 | ret = SSL_srp_server_param_with_username(s,al); | ||
| 201 | } | ||
| 202 | } | ||
| 203 | return ret; | ||
| 204 | } | ||
| 205 | #endif | ||
| 206 | |||
| 182 | IMPLEMENT_ssl3_meth_func(SSLv3_server_method, | 207 | IMPLEMENT_ssl3_meth_func(SSLv3_server_method, |
| 183 | ssl3_accept, | 208 | ssl3_accept, |
| 184 | ssl_undefined_function, | 209 | ssl_undefined_function, |
| @@ -211,6 +236,18 @@ int ssl3_accept(SSL *s) | |||
| 211 | return(-1); | 236 | return(-1); |
| 212 | } | 237 | } |
| 213 | 238 | ||
| 239 | #ifndef OPENSSL_NO_HEARTBEATS | ||
| 240 | /* If we're awaiting a HeartbeatResponse, pretend we | ||
| 241 | * already got and don't await it anymore, because | ||
| 242 | * Heartbeats don't make sense during handshakes anyway. | ||
| 243 | */ | ||
| 244 | if (s->tlsext_hb_pending) | ||
| 245 | { | ||
| 246 | s->tlsext_hb_pending = 0; | ||
| 247 | s->tlsext_hb_seq++; | ||
| 248 | } | ||
| 249 | #endif | ||
| 250 | |||
| 214 | for (;;) | 251 | for (;;) |
| 215 | { | 252 | { |
| 216 | state=s->state; | 253 | state=s->state; |
| @@ -218,7 +255,7 @@ int ssl3_accept(SSL *s) | |||
| 218 | switch (s->state) | 255 | switch (s->state) |
| 219 | { | 256 | { |
| 220 | case SSL_ST_RENEGOTIATE: | 257 | case SSL_ST_RENEGOTIATE: |
| 221 | s->new_session=1; | 258 | s->renegotiate=1; |
| 222 | /* s->state=SSL_ST_ACCEPT; */ | 259 | /* s->state=SSL_ST_ACCEPT; */ |
| 223 | 260 | ||
| 224 | case SSL_ST_BEFORE: | 261 | case SSL_ST_BEFORE: |
| @@ -314,10 +351,34 @@ int ssl3_accept(SSL *s) | |||
| 314 | case SSL3_ST_SR_CLNT_HELLO_C: | 351 | case SSL3_ST_SR_CLNT_HELLO_C: |
| 315 | 352 | ||
| 316 | s->shutdown=0; | 353 | s->shutdown=0; |
| 317 | ret=ssl3_get_client_hello(s); | 354 | if (s->rwstate != SSL_X509_LOOKUP) |
| 318 | if (ret <= 0) goto end; | 355 | { |
| 319 | 356 | ret=ssl3_get_client_hello(s); | |
| 320 | s->new_session = 2; | 357 | if (ret <= 0) goto end; |
| 358 | } | ||
| 359 | #ifndef OPENSSL_NO_SRP | ||
| 360 | { | ||
| 361 | int al; | ||
| 362 | if ((ret = ssl_check_srp_ext_ClientHello(s,&al)) < 0) | ||
| 363 | { | ||
| 364 | /* callback indicates firther work to be done */ | ||
| 365 | s->rwstate=SSL_X509_LOOKUP; | ||
| 366 | goto end; | ||
| 367 | } | ||
| 368 | if (ret != SSL_ERROR_NONE) | ||
| 369 | { | ||
| 370 | ssl3_send_alert(s,SSL3_AL_FATAL,al); | ||
| 371 | /* This is not really an error but the only means to | ||
| 372 | for a client to detect whether srp is supported. */ | ||
| 373 | if (al != TLS1_AD_UNKNOWN_PSK_IDENTITY) | ||
| 374 | SSLerr(SSL_F_SSL3_ACCEPT,SSL_R_CLIENTHELLO_TLSEXT); | ||
| 375 | ret = SSL_TLSEXT_ERR_ALERT_FATAL; | ||
| 376 | ret= -1; | ||
| 377 | goto end; | ||
| 378 | } | ||
| 379 | } | ||
| 380 | #endif | ||
| 381 | s->renegotiate = 2; | ||
| 321 | s->state=SSL3_ST_SW_SRVR_HELLO_A; | 382 | s->state=SSL3_ST_SW_SRVR_HELLO_A; |
| 322 | s->init_num=0; | 383 | s->init_num=0; |
| 323 | break; | 384 | break; |
| @@ -346,7 +407,7 @@ int ssl3_accept(SSL *s) | |||
| 346 | case SSL3_ST_SW_CERT_A: | 407 | case SSL3_ST_SW_CERT_A: |
| 347 | case SSL3_ST_SW_CERT_B: | 408 | case SSL3_ST_SW_CERT_B: |
| 348 | /* Check if it is anon DH or anon ECDH, */ | 409 | /* Check if it is anon DH or anon ECDH, */ |
| 349 | /* normal PSK or KRB5 */ | 410 | /* normal PSK or KRB5 or SRP */ |
| 350 | if (!(s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL) | 411 | if (!(s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL) |
| 351 | && !(s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK) | 412 | && !(s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK) |
| 352 | && !(s->s3->tmp.new_cipher->algorithm_auth & SSL_aKRB5)) | 413 | && !(s->s3->tmp.new_cipher->algorithm_auth & SSL_aKRB5)) |
| @@ -411,6 +472,10 @@ int ssl3_accept(SSL *s) | |||
| 411 | #ifndef OPENSSL_NO_PSK | 472 | #ifndef OPENSSL_NO_PSK |
| 412 | || ((alg_k & SSL_kPSK) && s->ctx->psk_identity_hint) | 473 | || ((alg_k & SSL_kPSK) && s->ctx->psk_identity_hint) |
| 413 | #endif | 474 | #endif |
| 475 | #ifndef OPENSSL_NO_SRP | ||
| 476 | /* SRP: send ServerKeyExchange */ | ||
| 477 | || (alg_k & SSL_kSRP) | ||
| 478 | #endif | ||
| 414 | || (alg_k & (SSL_kDHr|SSL_kDHd|SSL_kEDH)) | 479 | || (alg_k & (SSL_kDHr|SSL_kDHd|SSL_kEDH)) |
| 415 | || (alg_k & SSL_kEECDH) | 480 | || (alg_k & SSL_kEECDH) |
| 416 | || ((alg_k & SSL_kRSA) | 481 | || ((alg_k & SSL_kRSA) |
| @@ -457,6 +522,9 @@ int ssl3_accept(SSL *s) | |||
| 457 | skip=1; | 522 | skip=1; |
| 458 | s->s3->tmp.cert_request=0; | 523 | s->s3->tmp.cert_request=0; |
| 459 | s->state=SSL3_ST_SW_SRVR_DONE_A; | 524 | s->state=SSL3_ST_SW_SRVR_DONE_A; |
| 525 | if (s->s3->handshake_buffer) | ||
| 526 | if (!ssl3_digest_cached_records(s)) | ||
| 527 | return -1; | ||
| 460 | } | 528 | } |
| 461 | else | 529 | else |
| 462 | { | 530 | { |
| @@ -539,9 +607,34 @@ int ssl3_accept(SSL *s) | |||
| 539 | * the client uses its key from the certificate | 607 | * the client uses its key from the certificate |
| 540 | * for key exchange. | 608 | * for key exchange. |
| 541 | */ | 609 | */ |
| 610 | #if defined(OPENSSL_NO_TLSEXT) || defined(OPENSSL_NO_NEXTPROTONEG) | ||
| 542 | s->state=SSL3_ST_SR_FINISHED_A; | 611 | s->state=SSL3_ST_SR_FINISHED_A; |
| 612 | #else | ||
| 613 | if (s->s3->next_proto_neg_seen) | ||
| 614 | s->state=SSL3_ST_SR_NEXT_PROTO_A; | ||
| 615 | else | ||
| 616 | s->state=SSL3_ST_SR_FINISHED_A; | ||
| 617 | #endif | ||
| 543 | s->init_num = 0; | 618 | s->init_num = 0; |
| 544 | } | 619 | } |
| 620 | else if (TLS1_get_version(s) >= TLS1_2_VERSION) | ||
| 621 | { | ||
| 622 | s->state=SSL3_ST_SR_CERT_VRFY_A; | ||
| 623 | s->init_num=0; | ||
| 624 | if (!s->session->peer) | ||
| 625 | break; | ||
| 626 | /* For TLS v1.2 freeze the handshake buffer | ||
| 627 | * at this point and digest cached records. | ||
| 628 | */ | ||
| 629 | if (!s->s3->handshake_buffer) | ||
| 630 | { | ||
| 631 | SSLerr(SSL_F_SSL3_ACCEPT,ERR_R_INTERNAL_ERROR); | ||
| 632 | return -1; | ||
| 633 | } | ||
| 634 | s->s3->flags |= TLS1_FLAGS_KEEP_HANDSHAKE; | ||
| 635 | if (!ssl3_digest_cached_records(s)) | ||
| 636 | return -1; | ||
| 637 | } | ||
| 545 | else | 638 | else |
| 546 | { | 639 | { |
| 547 | int offset=0; | 640 | int offset=0; |
| @@ -582,23 +675,37 @@ int ssl3_accept(SSL *s) | |||
| 582 | ret=ssl3_get_cert_verify(s); | 675 | ret=ssl3_get_cert_verify(s); |
| 583 | if (ret <= 0) goto end; | 676 | if (ret <= 0) goto end; |
| 584 | 677 | ||
| 678 | #if defined(OPENSSL_NO_TLSEXT) || defined(OPENSSL_NO_NEXTPROTONEG) | ||
| 585 | s->state=SSL3_ST_SR_FINISHED_A; | 679 | s->state=SSL3_ST_SR_FINISHED_A; |
| 680 | #else | ||
| 681 | if (s->s3->next_proto_neg_seen) | ||
| 682 | s->state=SSL3_ST_SR_NEXT_PROTO_A; | ||
| 683 | else | ||
| 684 | s->state=SSL3_ST_SR_FINISHED_A; | ||
| 685 | #endif | ||
| 586 | s->init_num=0; | 686 | s->init_num=0; |
| 587 | break; | 687 | break; |
| 588 | 688 | ||
| 689 | #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) | ||
| 690 | case SSL3_ST_SR_NEXT_PROTO_A: | ||
| 691 | case SSL3_ST_SR_NEXT_PROTO_B: | ||
| 692 | ret=ssl3_get_next_proto(s); | ||
| 693 | if (ret <= 0) goto end; | ||
| 694 | s->init_num = 0; | ||
| 695 | s->state=SSL3_ST_SR_FINISHED_A; | ||
| 696 | break; | ||
| 697 | #endif | ||
| 698 | |||
| 589 | case SSL3_ST_SR_FINISHED_A: | 699 | case SSL3_ST_SR_FINISHED_A: |
| 590 | case SSL3_ST_SR_FINISHED_B: | 700 | case SSL3_ST_SR_FINISHED_B: |
| 591 | ret=ssl3_get_finished(s,SSL3_ST_SR_FINISHED_A, | 701 | ret=ssl3_get_finished(s,SSL3_ST_SR_FINISHED_A, |
| 592 | SSL3_ST_SR_FINISHED_B); | 702 | SSL3_ST_SR_FINISHED_B); |
| 593 | if (ret <= 0) goto end; | 703 | if (ret <= 0) goto end; |
| 594 | #ifndef OPENSSL_NO_TLSEXT | ||
| 595 | if (s->tlsext_ticket_expected) | ||
| 596 | s->state=SSL3_ST_SW_SESSION_TICKET_A; | ||
| 597 | else if (s->hit) | ||
| 598 | s->state=SSL_ST_OK; | ||
| 599 | #else | ||
| 600 | if (s->hit) | 704 | if (s->hit) |
| 601 | s->state=SSL_ST_OK; | 705 | s->state=SSL_ST_OK; |
| 706 | #ifndef OPENSSL_NO_TLSEXT | ||
| 707 | else if (s->tlsext_ticket_expected) | ||
| 708 | s->state=SSL3_ST_SW_SESSION_TICKET_A; | ||
| 602 | #endif | 709 | #endif |
| 603 | else | 710 | else |
| 604 | s->state=SSL3_ST_SW_CHANGE_A; | 711 | s->state=SSL3_ST_SW_CHANGE_A; |
| @@ -656,7 +763,16 @@ int ssl3_accept(SSL *s) | |||
| 656 | if (ret <= 0) goto end; | 763 | if (ret <= 0) goto end; |
| 657 | s->state=SSL3_ST_SW_FLUSH; | 764 | s->state=SSL3_ST_SW_FLUSH; |
| 658 | if (s->hit) | 765 | if (s->hit) |
| 766 | { | ||
| 767 | #if defined(OPENSSL_NO_TLSEXT) || defined(OPENSSL_NO_NEXTPROTONEG) | ||
| 659 | s->s3->tmp.next_state=SSL3_ST_SR_FINISHED_A; | 768 | s->s3->tmp.next_state=SSL3_ST_SR_FINISHED_A; |
| 769 | #else | ||
| 770 | if (s->s3->next_proto_neg_seen) | ||
| 771 | s->s3->tmp.next_state=SSL3_ST_SR_NEXT_PROTO_A; | ||
| 772 | else | ||
| 773 | s->s3->tmp.next_state=SSL3_ST_SR_FINISHED_A; | ||
| 774 | #endif | ||
| 775 | } | ||
| 660 | else | 776 | else |
| 661 | s->s3->tmp.next_state=SSL_ST_OK; | 777 | s->s3->tmp.next_state=SSL_ST_OK; |
| 662 | s->init_num=0; | 778 | s->init_num=0; |
| @@ -674,11 +790,9 @@ int ssl3_accept(SSL *s) | |||
| 674 | 790 | ||
| 675 | s->init_num=0; | 791 | s->init_num=0; |
| 676 | 792 | ||
| 677 | if (s->new_session == 2) /* skipped if we just sent a HelloRequest */ | 793 | if (s->renegotiate == 2) /* skipped if we just sent a HelloRequest */ |
| 678 | { | 794 | { |
| 679 | /* actually not necessarily a 'new' session unless | 795 | s->renegotiate=0; |
| 680 | * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set */ | ||
| 681 | |||
| 682 | s->new_session=0; | 796 | s->new_session=0; |
| 683 | 797 | ||
| 684 | ssl_update_cache(s,SSL_SESS_CACHE_SERVER); | 798 | ssl_update_cache(s,SSL_SESS_CACHE_SERVER); |
| @@ -756,14 +870,6 @@ int ssl3_check_client_hello(SSL *s) | |||
| 756 | int ok; | 870 | int ok; |
| 757 | long n; | 871 | long n; |
| 758 | 872 | ||
| 759 | /* We only allow the client to restart the handshake once per | ||
| 760 | * negotiation. */ | ||
| 761 | if (s->s3->flags & SSL3_FLAGS_SGC_RESTART_DONE) | ||
| 762 | { | ||
| 763 | SSLerr(SSL_F_SSL3_CHECK_CLIENT_HELLO, SSL_R_MULTIPLE_SGC_RESTARTS); | ||
| 764 | return -1; | ||
| 765 | } | ||
| 766 | |||
| 767 | /* this function is called when we really expect a Certificate message, | 873 | /* this function is called when we really expect a Certificate message, |
| 768 | * so permit appropriate message length */ | 874 | * so permit appropriate message length */ |
| 769 | n=s->method->ssl_get_message(s, | 875 | n=s->method->ssl_get_message(s, |
| @@ -776,6 +882,13 @@ int ssl3_check_client_hello(SSL *s) | |||
| 776 | s->s3->tmp.reuse_message = 1; | 882 | s->s3->tmp.reuse_message = 1; |
| 777 | if (s->s3->tmp.message_type == SSL3_MT_CLIENT_HELLO) | 883 | if (s->s3->tmp.message_type == SSL3_MT_CLIENT_HELLO) |
| 778 | { | 884 | { |
| 885 | /* We only allow the client to restart the handshake once per | ||
| 886 | * negotiation. */ | ||
| 887 | if (s->s3->flags & SSL3_FLAGS_SGC_RESTART_DONE) | ||
| 888 | { | ||
| 889 | SSLerr(SSL_F_SSL3_CHECK_CLIENT_HELLO, SSL_R_MULTIPLE_SGC_RESTARTS); | ||
| 890 | return -1; | ||
| 891 | } | ||
| 779 | /* Throw away what we have done so far in the current handshake, | 892 | /* Throw away what we have done so far in the current handshake, |
| 780 | * which will now be aborted. (A full SSL_clear would be too much.) */ | 893 | * which will now be aborted. (A full SSL_clear would be too much.) */ |
| 781 | #ifndef OPENSSL_NO_DH | 894 | #ifndef OPENSSL_NO_DH |
| @@ -817,7 +930,8 @@ int ssl3_get_client_hello(SSL *s) | |||
| 817 | * If we are SSLv3, we will respond with SSLv3, even if prompted with | 930 | * If we are SSLv3, we will respond with SSLv3, even if prompted with |
| 818 | * TLSv1. | 931 | * TLSv1. |
| 819 | */ | 932 | */ |
| 820 | if (s->state == SSL3_ST_SR_CLNT_HELLO_A) | 933 | if (s->state == SSL3_ST_SR_CLNT_HELLO_A |
| 934 | ) | ||
| 821 | { | 935 | { |
| 822 | s->state=SSL3_ST_SR_CLNT_HELLO_B; | 936 | s->state=SSL3_ST_SR_CLNT_HELLO_B; |
| 823 | } | 937 | } |
| @@ -874,13 +988,16 @@ int ssl3_get_client_hello(SSL *s) | |||
| 874 | j= *(p++); | 988 | j= *(p++); |
| 875 | 989 | ||
| 876 | s->hit=0; | 990 | s->hit=0; |
| 877 | /* Versions before 0.9.7 always allow session reuse during renegotiation | 991 | /* Versions before 0.9.7 always allow clients to resume sessions in renegotiation. |
| 878 | * (i.e. when s->new_session is true), option | 992 | * 0.9.7 and later allow this by default, but optionally ignore resumption requests |
| 879 | * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is new with 0.9.7. | 993 | * with flag SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION (it's a new flag rather |
| 880 | * Maybe this optional behaviour should always have been the default, | 994 | * than a change to default behavior so that applications relying on this for security |
| 881 | * but we cannot safely change the default behaviour (or new applications | 995 | * won't even compile against older library versions). |
| 882 | * might be written that become totally unsecure when compiled with | 996 | * |
| 883 | * an earlier library version) | 997 | * 1.0.1 and later also have a function SSL_renegotiate_abbreviated() to request |
| 998 | * renegotiation but not a new session (s->new_session remains unset): for servers, | ||
| 999 | * this essentially just means that the SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION | ||
| 1000 | * setting will be ignored. | ||
| 884 | */ | 1001 | */ |
| 885 | if ((s->new_session && (s->options & SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION))) | 1002 | if ((s->new_session && (s->options & SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION))) |
| 886 | { | 1003 | { |
| @@ -1269,8 +1386,11 @@ int ssl3_get_client_hello(SSL *s) | |||
| 1269 | s->s3->tmp.new_cipher=s->session->cipher; | 1386 | s->s3->tmp.new_cipher=s->session->cipher; |
| 1270 | } | 1387 | } |
| 1271 | 1388 | ||
| 1272 | if (!ssl3_digest_cached_records(s)) | 1389 | if (TLS1_get_version(s) < TLS1_2_VERSION || !(s->verify_mode & SSL_VERIFY_PEER)) |
| 1273 | goto f_err; | 1390 | { |
| 1391 | if (!ssl3_digest_cached_records(s)) | ||
| 1392 | goto f_err; | ||
| 1393 | } | ||
| 1274 | 1394 | ||
| 1275 | /* we now have the following setup. | 1395 | /* we now have the following setup. |
| 1276 | * client_random | 1396 | * client_random |
| @@ -1325,20 +1445,20 @@ int ssl3_send_server_hello(SSL *s) | |||
| 1325 | memcpy(p,s->s3->server_random,SSL3_RANDOM_SIZE); | 1445 | memcpy(p,s->s3->server_random,SSL3_RANDOM_SIZE); |
| 1326 | p+=SSL3_RANDOM_SIZE; | 1446 | p+=SSL3_RANDOM_SIZE; |
| 1327 | 1447 | ||
| 1328 | /* now in theory we have 3 options to sending back the | 1448 | /* There are several cases for the session ID to send |
| 1329 | * session id. If it is a re-use, we send back the | 1449 | * back in the server hello: |
| 1330 | * old session-id, if it is a new session, we send | 1450 | * - For session reuse from the session cache, |
| 1331 | * back the new session-id or we send back a 0 length | 1451 | * we send back the old session ID. |
| 1332 | * session-id if we want it to be single use. | 1452 | * - If stateless session reuse (using a session ticket) |
| 1333 | * Currently I will not implement the '0' length session-id | 1453 | * is successful, we send back the client's "session ID" |
| 1334 | * 12-Jan-98 - I'll now support the '0' length stuff. | 1454 | * (which doesn't actually identify the session). |
| 1335 | * | 1455 | * - If it is a new session, we send back the new |
| 1336 | * We also have an additional case where stateless session | 1456 | * session ID. |
| 1337 | * resumption is successful: we always send back the old | 1457 | * - However, if we want the new session to be single-use, |
| 1338 | * session id. In this case s->hit is non zero: this can | 1458 | * we send back a 0-length session ID. |
| 1339 | * only happen if stateless session resumption is succesful | 1459 | * s->hit is non-zero in either case of session reuse, |
| 1340 | * if session caching is disabled so existing functionality | 1460 | * so the following won't overwrite an ID that we're supposed |
| 1341 | * is unaffected. | 1461 | * to send back. |
| 1342 | */ | 1462 | */ |
| 1343 | if (!(s->ctx->session_cache_mode & SSL_SESS_CACHE_SERVER) | 1463 | if (!(s->ctx->session_cache_mode & SSL_SESS_CACHE_SERVER) |
| 1344 | && !s->hit) | 1464 | && !s->hit) |
| @@ -1439,6 +1559,7 @@ int ssl3_send_server_key_exchange(SSL *s) | |||
| 1439 | BN_CTX *bn_ctx = NULL; | 1559 | BN_CTX *bn_ctx = NULL; |
| 1440 | #endif | 1560 | #endif |
| 1441 | EVP_PKEY *pkey; | 1561 | EVP_PKEY *pkey; |
| 1562 | const EVP_MD *md = NULL; | ||
| 1442 | unsigned char *p,*d; | 1563 | unsigned char *p,*d; |
| 1443 | int al,i; | 1564 | int al,i; |
| 1444 | unsigned long type; | 1565 | unsigned long type; |
| @@ -1679,21 +1800,44 @@ int ssl3_send_server_key_exchange(SSL *s) | |||
| 1679 | } | 1800 | } |
| 1680 | else | 1801 | else |
| 1681 | #endif /* !OPENSSL_NO_PSK */ | 1802 | #endif /* !OPENSSL_NO_PSK */ |
| 1803 | #ifndef OPENSSL_NO_SRP | ||
| 1804 | if (type & SSL_kSRP) | ||
| 1805 | { | ||
| 1806 | if ((s->srp_ctx.N == NULL) || | ||
| 1807 | (s->srp_ctx.g == NULL) || | ||
| 1808 | (s->srp_ctx.s == NULL) || | ||
| 1809 | (s->srp_ctx.B == NULL)) | ||
| 1810 | { | ||
| 1811 | SSLerr(SSL_F_SSL3_SEND_SERVER_KEY_EXCHANGE,SSL_R_MISSING_SRP_PARAM); | ||
| 1812 | goto err; | ||
| 1813 | } | ||
| 1814 | r[0]=s->srp_ctx.N; | ||
| 1815 | r[1]=s->srp_ctx.g; | ||
| 1816 | r[2]=s->srp_ctx.s; | ||
| 1817 | r[3]=s->srp_ctx.B; | ||
| 1818 | } | ||
| 1819 | else | ||
| 1820 | #endif | ||
| 1682 | { | 1821 | { |
| 1683 | al=SSL_AD_HANDSHAKE_FAILURE; | 1822 | al=SSL_AD_HANDSHAKE_FAILURE; |
| 1684 | SSLerr(SSL_F_SSL3_SEND_SERVER_KEY_EXCHANGE,SSL_R_UNKNOWN_KEY_EXCHANGE_TYPE); | 1823 | SSLerr(SSL_F_SSL3_SEND_SERVER_KEY_EXCHANGE,SSL_R_UNKNOWN_KEY_EXCHANGE_TYPE); |
| 1685 | goto f_err; | 1824 | goto f_err; |
| 1686 | } | 1825 | } |
| 1687 | for (i=0; r[i] != NULL; i++) | 1826 | for (i=0; r[i] != NULL && i<4; i++) |
| 1688 | { | 1827 | { |
| 1689 | nr[i]=BN_num_bytes(r[i]); | 1828 | nr[i]=BN_num_bytes(r[i]); |
| 1829 | #ifndef OPENSSL_NO_SRP | ||
| 1830 | if ((i == 2) && (type & SSL_kSRP)) | ||
| 1831 | n+=1+nr[i]; | ||
| 1832 | else | ||
| 1833 | #endif | ||
| 1690 | n+=2+nr[i]; | 1834 | n+=2+nr[i]; |
| 1691 | } | 1835 | } |
| 1692 | 1836 | ||
| 1693 | if (!(s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL) | 1837 | if (!(s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL) |
| 1694 | && !(s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK)) | 1838 | && !(s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK)) |
| 1695 | { | 1839 | { |
| 1696 | if ((pkey=ssl_get_sign_pkey(s,s->s3->tmp.new_cipher)) | 1840 | if ((pkey=ssl_get_sign_pkey(s,s->s3->tmp.new_cipher,&md)) |
| 1697 | == NULL) | 1841 | == NULL) |
| 1698 | { | 1842 | { |
| 1699 | al=SSL_AD_DECODE_ERROR; | 1843 | al=SSL_AD_DECODE_ERROR; |
| @@ -1715,8 +1859,16 @@ int ssl3_send_server_key_exchange(SSL *s) | |||
| 1715 | d=(unsigned char *)s->init_buf->data; | 1859 | d=(unsigned char *)s->init_buf->data; |
| 1716 | p= &(d[4]); | 1860 | p= &(d[4]); |
| 1717 | 1861 | ||
| 1718 | for (i=0; r[i] != NULL; i++) | 1862 | for (i=0; r[i] != NULL && i<4; i++) |
| 1719 | { | 1863 | { |
| 1864 | #ifndef OPENSSL_NO_SRP | ||
| 1865 | if ((i == 2) && (type & SSL_kSRP)) | ||
| 1866 | { | ||
| 1867 | *p = nr[i]; | ||
| 1868 | p++; | ||
| 1869 | } | ||
| 1870 | else | ||
| 1871 | #endif | ||
| 1720 | s2n(nr[i],p); | 1872 | s2n(nr[i],p); |
| 1721 | BN_bn2bin(r[i],p); | 1873 | BN_bn2bin(r[i],p); |
| 1722 | p+=nr[i]; | 1874 | p+=nr[i]; |
| @@ -1764,12 +1916,15 @@ int ssl3_send_server_key_exchange(SSL *s) | |||
| 1764 | /* n is the length of the params, they start at &(d[4]) | 1916 | /* n is the length of the params, they start at &(d[4]) |
| 1765 | * and p points to the space at the end. */ | 1917 | * and p points to the space at the end. */ |
| 1766 | #ifndef OPENSSL_NO_RSA | 1918 | #ifndef OPENSSL_NO_RSA |
| 1767 | if (pkey->type == EVP_PKEY_RSA) | 1919 | if (pkey->type == EVP_PKEY_RSA |
| 1920 | && TLS1_get_version(s) < TLS1_2_VERSION) | ||
| 1768 | { | 1921 | { |
| 1769 | q=md_buf; | 1922 | q=md_buf; |
| 1770 | j=0; | 1923 | j=0; |
| 1771 | for (num=2; num > 0; num--) | 1924 | for (num=2; num > 0; num--) |
| 1772 | { | 1925 | { |
| 1926 | EVP_MD_CTX_set_flags(&md_ctx, | ||
| 1927 | EVP_MD_CTX_FLAG_NON_FIPS_ALLOW); | ||
| 1773 | EVP_DigestInit_ex(&md_ctx,(num == 2) | 1928 | EVP_DigestInit_ex(&md_ctx,(num == 2) |
| 1774 | ?s->ctx->md5:s->ctx->sha1, NULL); | 1929 | ?s->ctx->md5:s->ctx->sha1, NULL); |
| 1775 | EVP_DigestUpdate(&md_ctx,&(s->s3->client_random[0]),SSL3_RANDOM_SIZE); | 1930 | EVP_DigestUpdate(&md_ctx,&(s->s3->client_random[0]),SSL3_RANDOM_SIZE); |
| @@ -1791,44 +1946,41 @@ int ssl3_send_server_key_exchange(SSL *s) | |||
| 1791 | } | 1946 | } |
| 1792 | else | 1947 | else |
| 1793 | #endif | 1948 | #endif |
| 1794 | #if !defined(OPENSSL_NO_DSA) | 1949 | if (md) |
| 1795 | if (pkey->type == EVP_PKEY_DSA) | ||
| 1796 | { | 1950 | { |
| 1797 | /* lets do DSS */ | 1951 | /* For TLS1.2 and later send signature |
| 1798 | EVP_SignInit_ex(&md_ctx,EVP_dss1(), NULL); | 1952 | * algorithm */ |
| 1799 | EVP_SignUpdate(&md_ctx,&(s->s3->client_random[0]),SSL3_RANDOM_SIZE); | 1953 | if (TLS1_get_version(s) >= TLS1_2_VERSION) |
| 1800 | EVP_SignUpdate(&md_ctx,&(s->s3->server_random[0]),SSL3_RANDOM_SIZE); | ||
| 1801 | EVP_SignUpdate(&md_ctx,&(d[4]),n); | ||
| 1802 | if (!EVP_SignFinal(&md_ctx,&(p[2]), | ||
| 1803 | (unsigned int *)&i,pkey)) | ||
| 1804 | { | 1954 | { |
| 1805 | SSLerr(SSL_F_SSL3_SEND_SERVER_KEY_EXCHANGE,ERR_LIB_DSA); | 1955 | if (!tls12_get_sigandhash(p, pkey, md)) |
| 1806 | goto err; | 1956 | { |
| 1957 | /* Should never happen */ | ||
| 1958 | al=SSL_AD_INTERNAL_ERROR; | ||
| 1959 | SSLerr(SSL_F_SSL3_SEND_SERVER_KEY_EXCHANGE,ERR_R_INTERNAL_ERROR); | ||
| 1960 | goto f_err; | ||
| 1961 | } | ||
| 1962 | p+=2; | ||
| 1807 | } | 1963 | } |
| 1808 | s2n(i,p); | 1964 | #ifdef SSL_DEBUG |
| 1809 | n+=i+2; | 1965 | fprintf(stderr, "Using hash %s\n", |
| 1810 | } | 1966 | EVP_MD_name(md)); |
| 1811 | else | ||
| 1812 | #endif | 1967 | #endif |
| 1813 | #if !defined(OPENSSL_NO_ECDSA) | 1968 | EVP_SignInit_ex(&md_ctx, md, NULL); |
| 1814 | if (pkey->type == EVP_PKEY_EC) | ||
| 1815 | { | ||
| 1816 | /* let's do ECDSA */ | ||
| 1817 | EVP_SignInit_ex(&md_ctx,EVP_ecdsa(), NULL); | ||
| 1818 | EVP_SignUpdate(&md_ctx,&(s->s3->client_random[0]),SSL3_RANDOM_SIZE); | 1969 | EVP_SignUpdate(&md_ctx,&(s->s3->client_random[0]),SSL3_RANDOM_SIZE); |
| 1819 | EVP_SignUpdate(&md_ctx,&(s->s3->server_random[0]),SSL3_RANDOM_SIZE); | 1970 | EVP_SignUpdate(&md_ctx,&(s->s3->server_random[0]),SSL3_RANDOM_SIZE); |
| 1820 | EVP_SignUpdate(&md_ctx,&(d[4]),n); | 1971 | EVP_SignUpdate(&md_ctx,&(d[4]),n); |
| 1821 | if (!EVP_SignFinal(&md_ctx,&(p[2]), | 1972 | if (!EVP_SignFinal(&md_ctx,&(p[2]), |
| 1822 | (unsigned int *)&i,pkey)) | 1973 | (unsigned int *)&i,pkey)) |
| 1823 | { | 1974 | { |
| 1824 | SSLerr(SSL_F_SSL3_SEND_SERVER_KEY_EXCHANGE,ERR_LIB_ECDSA); | 1975 | SSLerr(SSL_F_SSL3_SEND_SERVER_KEY_EXCHANGE,ERR_LIB_EVP); |
| 1825 | goto err; | 1976 | goto err; |
| 1826 | } | 1977 | } |
| 1827 | s2n(i,p); | 1978 | s2n(i,p); |
| 1828 | n+=i+2; | 1979 | n+=i+2; |
| 1980 | if (TLS1_get_version(s) >= TLS1_2_VERSION) | ||
| 1981 | n+= 2; | ||
| 1829 | } | 1982 | } |
| 1830 | else | 1983 | else |
| 1831 | #endif | ||
| 1832 | { | 1984 | { |
| 1833 | /* Is this error check actually needed? */ | 1985 | /* Is this error check actually needed? */ |
| 1834 | al=SSL_AD_HANDSHAKE_FAILURE; | 1986 | al=SSL_AD_HANDSHAKE_FAILURE; |
| @@ -1881,6 +2033,14 @@ int ssl3_send_certificate_request(SSL *s) | |||
| 1881 | p+=n; | 2033 | p+=n; |
| 1882 | n++; | 2034 | n++; |
| 1883 | 2035 | ||
| 2036 | if (TLS1_get_version(s) >= TLS1_2_VERSION) | ||
| 2037 | { | ||
| 2038 | nl = tls12_get_req_sig_algs(s, p + 2); | ||
| 2039 | s2n(nl, p); | ||
| 2040 | p += nl + 2; | ||
| 2041 | n += nl + 2; | ||
| 2042 | } | ||
| 2043 | |||
| 1884 | off=n; | 2044 | off=n; |
| 1885 | p+=2; | 2045 | p+=2; |
| 1886 | n+=2; | 2046 | n+=2; |
| @@ -2600,6 +2760,44 @@ int ssl3_get_client_key_exchange(SSL *s) | |||
| 2600 | } | 2760 | } |
| 2601 | else | 2761 | else |
| 2602 | #endif | 2762 | #endif |
| 2763 | #ifndef OPENSSL_NO_SRP | ||
| 2764 | if (alg_k & SSL_kSRP) | ||
| 2765 | { | ||
| 2766 | int param_len; | ||
| 2767 | |||
| 2768 | n2s(p,i); | ||
| 2769 | param_len=i+2; | ||
| 2770 | if (param_len > n) | ||
| 2771 | { | ||
| 2772 | al=SSL_AD_DECODE_ERROR; | ||
| 2773 | SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,SSL_R_BAD_SRP_A_LENGTH); | ||
| 2774 | goto f_err; | ||
| 2775 | } | ||
| 2776 | if (!(s->srp_ctx.A=BN_bin2bn(p,i,NULL))) | ||
| 2777 | { | ||
| 2778 | SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,ERR_R_BN_LIB); | ||
| 2779 | goto err; | ||
| 2780 | } | ||
| 2781 | if (s->session->srp_username != NULL) | ||
| 2782 | OPENSSL_free(s->session->srp_username); | ||
| 2783 | s->session->srp_username = BUF_strdup(s->srp_ctx.login); | ||
| 2784 | if (s->session->srp_username == NULL) | ||
| 2785 | { | ||
| 2786 | SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE, | ||
| 2787 | ERR_R_MALLOC_FAILURE); | ||
| 2788 | goto err; | ||
| 2789 | } | ||
| 2790 | |||
| 2791 | if ((s->session->master_key_length = SRP_generate_server_master_secret(s,s->session->master_key))<0) | ||
| 2792 | { | ||
| 2793 | SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,ERR_R_INTERNAL_ERROR); | ||
| 2794 | goto err; | ||
| 2795 | } | ||
| 2796 | |||
| 2797 | p+=i; | ||
| 2798 | } | ||
| 2799 | else | ||
| 2800 | #endif /* OPENSSL_NO_SRP */ | ||
| 2603 | if (alg_k & SSL_kGOST) | 2801 | if (alg_k & SSL_kGOST) |
| 2604 | { | 2802 | { |
| 2605 | int ret = 0; | 2803 | int ret = 0; |
| @@ -2683,7 +2881,7 @@ int ssl3_get_client_key_exchange(SSL *s) | |||
| 2683 | return(1); | 2881 | return(1); |
| 2684 | f_err: | 2882 | f_err: |
| 2685 | ssl3_send_alert(s,SSL3_AL_FATAL,al); | 2883 | ssl3_send_alert(s,SSL3_AL_FATAL,al); |
| 2686 | #if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_ECDH) | 2884 | #if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_ECDH) || defined(OPENSSL_NO_SRP) |
| 2687 | err: | 2885 | err: |
| 2688 | #endif | 2886 | #endif |
| 2689 | #ifndef OPENSSL_NO_ECDH | 2887 | #ifndef OPENSSL_NO_ECDH |
| @@ -2704,12 +2902,15 @@ int ssl3_get_cert_verify(SSL *s) | |||
| 2704 | long n; | 2902 | long n; |
| 2705 | int type=0,i,j; | 2903 | int type=0,i,j; |
| 2706 | X509 *peer; | 2904 | X509 *peer; |
| 2905 | const EVP_MD *md = NULL; | ||
| 2906 | EVP_MD_CTX mctx; | ||
| 2907 | EVP_MD_CTX_init(&mctx); | ||
| 2707 | 2908 | ||
| 2708 | n=s->method->ssl_get_message(s, | 2909 | n=s->method->ssl_get_message(s, |
| 2709 | SSL3_ST_SR_CERT_VRFY_A, | 2910 | SSL3_ST_SR_CERT_VRFY_A, |
| 2710 | SSL3_ST_SR_CERT_VRFY_B, | 2911 | SSL3_ST_SR_CERT_VRFY_B, |
| 2711 | -1, | 2912 | -1, |
| 2712 | 514, /* 514? */ | 2913 | 516, /* Enough for 4096 bit RSA key with TLS v1.2 */ |
| 2713 | &ok); | 2914 | &ok); |
| 2714 | 2915 | ||
| 2715 | if (!ok) return((int)n); | 2916 | if (!ok) return((int)n); |
| @@ -2729,7 +2930,7 @@ int ssl3_get_cert_verify(SSL *s) | |||
| 2729 | if (s->s3->tmp.message_type != SSL3_MT_CERTIFICATE_VERIFY) | 2930 | if (s->s3->tmp.message_type != SSL3_MT_CERTIFICATE_VERIFY) |
| 2730 | { | 2931 | { |
| 2731 | s->s3->tmp.reuse_message=1; | 2932 | s->s3->tmp.reuse_message=1; |
| 2732 | if ((peer != NULL) && (type | EVP_PKT_SIGN)) | 2933 | if ((peer != NULL) && (type & EVP_PKT_SIGN)) |
| 2733 | { | 2934 | { |
| 2734 | al=SSL_AD_UNEXPECTED_MESSAGE; | 2935 | al=SSL_AD_UNEXPECTED_MESSAGE; |
| 2735 | SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_MISSING_VERIFY_MESSAGE); | 2936 | SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_MISSING_VERIFY_MESSAGE); |
| @@ -2772,6 +2973,36 @@ int ssl3_get_cert_verify(SSL *s) | |||
| 2772 | } | 2973 | } |
| 2773 | else | 2974 | else |
| 2774 | { | 2975 | { |
| 2976 | if (TLS1_get_version(s) >= TLS1_2_VERSION) | ||
| 2977 | { | ||
| 2978 | int sigalg = tls12_get_sigid(pkey); | ||
| 2979 | /* Should never happen */ | ||
| 2980 | if (sigalg == -1) | ||
| 2981 | { | ||
| 2982 | SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,ERR_R_INTERNAL_ERROR); | ||
| 2983 | al=SSL_AD_INTERNAL_ERROR; | ||
| 2984 | goto f_err; | ||
| 2985 | } | ||
| 2986 | /* Check key type is consistent with signature */ | ||
| 2987 | if (sigalg != (int)p[1]) | ||
| 2988 | { | ||
| 2989 | SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_WRONG_SIGNATURE_TYPE); | ||
| 2990 | al=SSL_AD_DECODE_ERROR; | ||
| 2991 | goto f_err; | ||
| 2992 | } | ||
| 2993 | md = tls12_get_hash(p[0]); | ||
| 2994 | if (md == NULL) | ||
| 2995 | { | ||
| 2996 | SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_UNKNOWN_DIGEST); | ||
| 2997 | al=SSL_AD_DECODE_ERROR; | ||
| 2998 | goto f_err; | ||
| 2999 | } | ||
| 3000 | #ifdef SSL_DEBUG | ||
| 3001 | fprintf(stderr, "USING TLSv1.2 HASH %s\n", EVP_MD_name(md)); | ||
| 3002 | #endif | ||
| 3003 | p += 2; | ||
| 3004 | n -= 2; | ||
| 3005 | } | ||
| 2775 | n2s(p,i); | 3006 | n2s(p,i); |
| 2776 | n-=2; | 3007 | n-=2; |
| 2777 | if (i > n) | 3008 | if (i > n) |
| @@ -2789,6 +3020,37 @@ int ssl3_get_cert_verify(SSL *s) | |||
| 2789 | goto f_err; | 3020 | goto f_err; |
| 2790 | } | 3021 | } |
| 2791 | 3022 | ||
| 3023 | if (TLS1_get_version(s) >= TLS1_2_VERSION) | ||
| 3024 | { | ||
| 3025 | long hdatalen = 0; | ||
| 3026 | void *hdata; | ||
| 3027 | hdatalen = BIO_get_mem_data(s->s3->handshake_buffer, &hdata); | ||
| 3028 | if (hdatalen <= 0) | ||
| 3029 | { | ||
| 3030 | SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, ERR_R_INTERNAL_ERROR); | ||
| 3031 | al=SSL_AD_INTERNAL_ERROR; | ||
| 3032 | goto f_err; | ||
| 3033 | } | ||
| 3034 | #ifdef SSL_DEBUG | ||
| 3035 | fprintf(stderr, "Using TLS 1.2 with client verify alg %s\n", | ||
| 3036 | EVP_MD_name(md)); | ||
| 3037 | #endif | ||
| 3038 | if (!EVP_VerifyInit_ex(&mctx, md, NULL) | ||
| 3039 | || !EVP_VerifyUpdate(&mctx, hdata, hdatalen)) | ||
| 3040 | { | ||
| 3041 | SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, ERR_R_EVP_LIB); | ||
| 3042 | al=SSL_AD_INTERNAL_ERROR; | ||
| 3043 | goto f_err; | ||
| 3044 | } | ||
| 3045 | |||
| 3046 | if (EVP_VerifyFinal(&mctx, p , i, pkey) <= 0) | ||
| 3047 | { | ||
| 3048 | al=SSL_AD_DECRYPT_ERROR; | ||
| 3049 | SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_BAD_SIGNATURE); | ||
| 3050 | goto f_err; | ||
| 3051 | } | ||
| 3052 | } | ||
| 3053 | else | ||
| 2792 | #ifndef OPENSSL_NO_RSA | 3054 | #ifndef OPENSSL_NO_RSA |
| 2793 | if (pkey->type == EVP_PKEY_RSA) | 3055 | if (pkey->type == EVP_PKEY_RSA) |
| 2794 | { | 3056 | { |
| @@ -2879,6 +3141,13 @@ f_err: | |||
| 2879 | ssl3_send_alert(s,SSL3_AL_FATAL,al); | 3141 | ssl3_send_alert(s,SSL3_AL_FATAL,al); |
| 2880 | } | 3142 | } |
| 2881 | end: | 3143 | end: |
| 3144 | if (s->s3->handshake_buffer) | ||
| 3145 | { | ||
| 3146 | BIO_free(s->s3->handshake_buffer); | ||
| 3147 | s->s3->handshake_buffer = NULL; | ||
| 3148 | s->s3->flags &= ~TLS1_FLAGS_KEEP_HANDSHAKE; | ||
| 3149 | } | ||
| 3150 | EVP_MD_CTX_cleanup(&mctx); | ||
| 2882 | EVP_PKEY_free(pkey); | 3151 | EVP_PKEY_free(pkey); |
| 2883 | return(ret); | 3152 | return(ret); |
| 2884 | } | 3153 | } |
| @@ -2991,6 +3260,12 @@ int ssl3_get_client_certificate(SSL *s) | |||
| 2991 | al=SSL_AD_HANDSHAKE_FAILURE; | 3260 | al=SSL_AD_HANDSHAKE_FAILURE; |
| 2992 | goto f_err; | 3261 | goto f_err; |
| 2993 | } | 3262 | } |
| 3263 | /* No client certificate so digest cached records */ | ||
| 3264 | if (s->s3->handshake_buffer && !ssl3_digest_cached_records(s)) | ||
| 3265 | { | ||
| 3266 | al=SSL_AD_INTERNAL_ERROR; | ||
| 3267 | goto f_err; | ||
| 3268 | } | ||
| 2994 | } | 3269 | } |
| 2995 | else | 3270 | else |
| 2996 | { | 3271 | { |
| @@ -3067,13 +3342,17 @@ int ssl3_send_server_certificate(SSL *s) | |||
| 3067 | /* SSL3_ST_SW_CERT_B */ | 3342 | /* SSL3_ST_SW_CERT_B */ |
| 3068 | return(ssl3_do_write(s,SSL3_RT_HANDSHAKE)); | 3343 | return(ssl3_do_write(s,SSL3_RT_HANDSHAKE)); |
| 3069 | } | 3344 | } |
| 3345 | |||
| 3070 | #ifndef OPENSSL_NO_TLSEXT | 3346 | #ifndef OPENSSL_NO_TLSEXT |
| 3347 | /* send a new session ticket (not necessarily for a new session) */ | ||
| 3071 | int ssl3_send_newsession_ticket(SSL *s) | 3348 | int ssl3_send_newsession_ticket(SSL *s) |
| 3072 | { | 3349 | { |
| 3073 | if (s->state == SSL3_ST_SW_SESSION_TICKET_A) | 3350 | if (s->state == SSL3_ST_SW_SESSION_TICKET_A) |
| 3074 | { | 3351 | { |
| 3075 | unsigned char *p, *senc, *macstart; | 3352 | unsigned char *p, *senc, *macstart; |
| 3076 | int len, slen; | 3353 | const unsigned char *const_p; |
| 3354 | int len, slen_full, slen; | ||
| 3355 | SSL_SESSION *sess; | ||
| 3077 | unsigned int hlen; | 3356 | unsigned int hlen; |
| 3078 | EVP_CIPHER_CTX ctx; | 3357 | EVP_CIPHER_CTX ctx; |
| 3079 | HMAC_CTX hctx; | 3358 | HMAC_CTX hctx; |
| @@ -3082,12 +3361,38 @@ int ssl3_send_newsession_ticket(SSL *s) | |||
| 3082 | unsigned char key_name[16]; | 3361 | unsigned char key_name[16]; |
| 3083 | 3362 | ||
| 3084 | /* get session encoding length */ | 3363 | /* get session encoding length */ |
| 3085 | slen = i2d_SSL_SESSION(s->session, NULL); | 3364 | slen_full = i2d_SSL_SESSION(s->session, NULL); |
| 3086 | /* Some length values are 16 bits, so forget it if session is | 3365 | /* Some length values are 16 bits, so forget it if session is |
| 3087 | * too long | 3366 | * too long |
| 3088 | */ | 3367 | */ |
| 3089 | if (slen > 0xFF00) | 3368 | if (slen_full > 0xFF00) |
| 3369 | return -1; | ||
| 3370 | senc = OPENSSL_malloc(slen_full); | ||
| 3371 | if (!senc) | ||
| 3372 | return -1; | ||
| 3373 | p = senc; | ||
| 3374 | i2d_SSL_SESSION(s->session, &p); | ||
| 3375 | |||
| 3376 | /* create a fresh copy (not shared with other threads) to clean up */ | ||
| 3377 | const_p = senc; | ||
| 3378 | sess = d2i_SSL_SESSION(NULL, &const_p, slen_full); | ||
| 3379 | if (sess == NULL) | ||
| 3380 | { | ||
| 3381 | OPENSSL_free(senc); | ||
| 3090 | return -1; | 3382 | return -1; |
| 3383 | } | ||
| 3384 | sess->session_id_length = 0; /* ID is irrelevant for the ticket */ | ||
| 3385 | |||
| 3386 | slen = i2d_SSL_SESSION(sess, NULL); | ||
| 3387 | if (slen > slen_full) /* shouldn't ever happen */ | ||
| 3388 | { | ||
| 3389 | OPENSSL_free(senc); | ||
| 3390 | return -1; | ||
| 3391 | } | ||
| 3392 | p = senc; | ||
| 3393 | i2d_SSL_SESSION(sess, &p); | ||
| 3394 | SSL_SESSION_free(sess); | ||
| 3395 | |||
| 3091 | /* Grow buffer if need be: the length calculation is as | 3396 | /* Grow buffer if need be: the length calculation is as |
| 3092 | * follows 1 (size of message name) + 3 (message length | 3397 | * follows 1 (size of message name) + 3 (message length |
| 3093 | * bytes) + 4 (ticket lifetime hint) + 2 (ticket length) + | 3398 | * bytes) + 4 (ticket lifetime hint) + 2 (ticket length) + |
| @@ -3099,11 +3404,6 @@ int ssl3_send_newsession_ticket(SSL *s) | |||
| 3099 | 26 + EVP_MAX_IV_LENGTH + EVP_MAX_BLOCK_LENGTH + | 3404 | 26 + EVP_MAX_IV_LENGTH + EVP_MAX_BLOCK_LENGTH + |
| 3100 | EVP_MAX_MD_SIZE + slen)) | 3405 | EVP_MAX_MD_SIZE + slen)) |
| 3101 | return -1; | 3406 | return -1; |
| 3102 | senc = OPENSSL_malloc(slen); | ||
| 3103 | if (!senc) | ||
| 3104 | return -1; | ||
| 3105 | p = senc; | ||
| 3106 | i2d_SSL_SESSION(s->session, &p); | ||
| 3107 | 3407 | ||
| 3108 | p=(unsigned char *)s->init_buf->data; | 3408 | p=(unsigned char *)s->init_buf->data; |
| 3109 | /* do the header */ | 3409 | /* do the header */ |
| @@ -3134,7 +3434,13 @@ int ssl3_send_newsession_ticket(SSL *s) | |||
| 3134 | tlsext_tick_md(), NULL); | 3434 | tlsext_tick_md(), NULL); |
| 3135 | memcpy(key_name, tctx->tlsext_tick_key_name, 16); | 3435 | memcpy(key_name, tctx->tlsext_tick_key_name, 16); |
| 3136 | } | 3436 | } |
| 3137 | l2n(s->session->tlsext_tick_lifetime_hint, p); | 3437 | |
| 3438 | /* Ticket lifetime hint (advisory only): | ||
| 3439 | * We leave this unspecified for resumed session (for simplicity), | ||
| 3440 | * and guess that tickets for new sessions will live as long | ||
| 3441 | * as their sessions. */ | ||
| 3442 | l2n(s->hit ? 0 : s->session->timeout, p); | ||
| 3443 | |||
| 3138 | /* Skip ticket length for now */ | 3444 | /* Skip ticket length for now */ |
| 3139 | p += 2; | 3445 | p += 2; |
| 3140 | /* Output key name */ | 3446 | /* Output key name */ |
| @@ -3209,4 +3515,72 @@ int ssl3_send_cert_status(SSL *s) | |||
| 3209 | /* SSL3_ST_SW_CERT_STATUS_B */ | 3515 | /* SSL3_ST_SW_CERT_STATUS_B */ |
| 3210 | return(ssl3_do_write(s,SSL3_RT_HANDSHAKE)); | 3516 | return(ssl3_do_write(s,SSL3_RT_HANDSHAKE)); |
| 3211 | } | 3517 | } |
| 3518 | |||
| 3519 | # ifndef OPENSSL_NO_NEXTPROTONEG | ||
| 3520 | /* ssl3_get_next_proto reads a Next Protocol Negotiation handshake message. It | ||
| 3521 | * sets the next_proto member in s if found */ | ||
| 3522 | int ssl3_get_next_proto(SSL *s) | ||
| 3523 | { | ||
| 3524 | int ok; | ||
| 3525 | int proto_len, padding_len; | ||
| 3526 | long n; | ||
| 3527 | const unsigned char *p; | ||
| 3528 | |||
| 3529 | /* Clients cannot send a NextProtocol message if we didn't see the | ||
| 3530 | * extension in their ClientHello */ | ||
| 3531 | if (!s->s3->next_proto_neg_seen) | ||
| 3532 | { | ||
| 3533 | SSLerr(SSL_F_SSL3_GET_NEXT_PROTO,SSL_R_GOT_NEXT_PROTO_WITHOUT_EXTENSION); | ||
| 3534 | return -1; | ||
| 3535 | } | ||
| 3536 | |||
| 3537 | n=s->method->ssl_get_message(s, | ||
| 3538 | SSL3_ST_SR_NEXT_PROTO_A, | ||
| 3539 | SSL3_ST_SR_NEXT_PROTO_B, | ||
| 3540 | SSL3_MT_NEXT_PROTO, | ||
| 3541 | 514, /* See the payload format below */ | ||
| 3542 | &ok); | ||
| 3543 | |||
| 3544 | if (!ok) | ||
| 3545 | return((int)n); | ||
| 3546 | |||
| 3547 | /* s->state doesn't reflect whether ChangeCipherSpec has been received | ||
| 3548 | * in this handshake, but s->s3->change_cipher_spec does (will be reset | ||
| 3549 | * by ssl3_get_finished). */ | ||
| 3550 | if (!s->s3->change_cipher_spec) | ||
| 3551 | { | ||
| 3552 | SSLerr(SSL_F_SSL3_GET_NEXT_PROTO,SSL_R_GOT_NEXT_PROTO_BEFORE_A_CCS); | ||
| 3553 | return -1; | ||
| 3554 | } | ||
| 3555 | |||
| 3556 | if (n < 2) | ||
| 3557 | return 0; /* The body must be > 1 bytes long */ | ||
| 3558 | |||
| 3559 | p=(unsigned char *)s->init_msg; | ||
| 3560 | |||
| 3561 | /* The payload looks like: | ||
| 3562 | * uint8 proto_len; | ||
| 3563 | * uint8 proto[proto_len]; | ||
| 3564 | * uint8 padding_len; | ||
| 3565 | * uint8 padding[padding_len]; | ||
| 3566 | */ | ||
| 3567 | proto_len = p[0]; | ||
| 3568 | if (proto_len + 2 > s->init_num) | ||
| 3569 | return 0; | ||
| 3570 | padding_len = p[proto_len + 1]; | ||
| 3571 | if (proto_len + padding_len + 2 != s->init_num) | ||
| 3572 | return 0; | ||
| 3573 | |||
| 3574 | s->next_proto_negotiated = OPENSSL_malloc(proto_len); | ||
| 3575 | if (!s->next_proto_negotiated) | ||
| 3576 | { | ||
| 3577 | SSLerr(SSL_F_SSL3_GET_NEXT_PROTO,ERR_R_MALLOC_FAILURE); | ||
| 3578 | return 0; | ||
| 3579 | } | ||
| 3580 | memcpy(s->next_proto_negotiated, p + 1, proto_len); | ||
| 3581 | s->next_proto_negotiated_len = proto_len; | ||
| 3582 | |||
| 3583 | return 1; | ||
| 3584 | } | ||
| 3585 | # endif | ||
| 3212 | #endif | 3586 | #endif |
