diff options
Diffstat (limited to 'src/lib/libssl/s3_srvr.c')
-rw-r--r-- | src/lib/libssl/s3_srvr.c | 166 |
1 files changed, 92 insertions, 74 deletions
diff --git a/src/lib/libssl/s3_srvr.c b/src/lib/libssl/s3_srvr.c index f3edcc2efb..6d8ccd66b7 100644 --- a/src/lib/libssl/s3_srvr.c +++ b/src/lib/libssl/s3_srvr.c | |||
@@ -5,21 +5,21 @@ | |||
5 | * This package is an SSL implementation written | 5 | * This package is an SSL implementation written |
6 | * by Eric Young (eay@cryptsoft.com). | 6 | * by Eric Young (eay@cryptsoft.com). |
7 | * The implementation was written so as to conform with Netscapes SSL. | 7 | * The implementation was written so as to conform with Netscapes SSL. |
8 | * | 8 | * |
9 | * This library is free for commercial and non-commercial use as long as | 9 | * This library is free for commercial and non-commercial use as long as |
10 | * the following conditions are aheared to. The following conditions | 10 | * the following conditions are aheared to. The following conditions |
11 | * apply to all code found in this distribution, be it the RC4, RSA, | 11 | * apply to all code found in this distribution, be it the RC4, RSA, |
12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | 12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
13 | * included with this distribution is covered by the same copyright terms | 13 | * included with this distribution is covered by the same copyright terms |
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | 14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
15 | * | 15 | * |
16 | * Copyright remains Eric Young's, and as such any Copyright notices in | 16 | * Copyright remains Eric Young's, and as such any Copyright notices in |
17 | * the code are not to be removed. | 17 | * the code are not to be removed. |
18 | * If this package is used in a product, Eric Young should be given attribution | 18 | * If this package is used in a product, Eric Young should be given attribution |
19 | * as the author of the parts of the library used. | 19 | * as the author of the parts of the library used. |
20 | * This can be in the form of a textual message at program startup or | 20 | * This can be in the form of a textual message at program startup or |
21 | * in documentation (online or textual) provided with the package. | 21 | * in documentation (online or textual) provided with the package. |
22 | * | 22 | * |
23 | * Redistribution and use in source and binary forms, with or without | 23 | * Redistribution and use in source and binary forms, with or without |
24 | * modification, are permitted provided that the following conditions | 24 | * modification, are permitted provided that the following conditions |
25 | * are met: | 25 | * are met: |
@@ -34,10 +34,10 @@ | |||
34 | * Eric Young (eay@cryptsoft.com)" | 34 | * Eric Young (eay@cryptsoft.com)" |
35 | * The word 'cryptographic' can be left out if the rouines from the library | 35 | * The word 'cryptographic' can be left out if the rouines from the library |
36 | * being used are not cryptographic related :-). | 36 | * being used are not cryptographic related :-). |
37 | * 4. If you include any Windows specific code (or a derivative thereof) from | 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
38 | * the apps directory (application code) you must include an acknowledgement: | 38 | * the apps directory (application code) you must include an acknowledgement: |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | 39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
40 | * | 40 | * |
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | 41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | 43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
@@ -49,7 +49,7 @@ | |||
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | 49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | 50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
51 | * SUCH DAMAGE. | 51 | * SUCH DAMAGE. |
52 | * | 52 | * |
53 | * The licence and distribution terms for any publically available version or | 53 | * The licence and distribution terms for any publically available version or |
54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | 54 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
55 | * copied and put under another distribution licence | 55 | * copied and put under another distribution licence |
@@ -63,7 +63,7 @@ | |||
63 | * are met: | 63 | * are met: |
64 | * | 64 | * |
65 | * 1. Redistributions of source code must retain the above copyright | 65 | * 1. Redistributions of source code must retain the above copyright |
66 | * notice, this list of conditions and the following disclaimer. | 66 | * notice, this list of conditions and the following disclaimer. |
67 | * | 67 | * |
68 | * 2. Redistributions in binary form must reproduce the above copyright | 68 | * 2. Redistributions in binary form must reproduce the above copyright |
69 | * notice, this list of conditions and the following disclaimer in | 69 | * notice, this list of conditions and the following disclaimer in |
@@ -111,7 +111,7 @@ | |||
111 | /* ==================================================================== | 111 | /* ==================================================================== |
112 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. | 112 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. |
113 | * | 113 | * |
114 | * Portions of the attached software ("Contribution") are developed by | 114 | * Portions of the attached software ("Contribution") are developed by |
115 | * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project. | 115 | * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project. |
116 | * | 116 | * |
117 | * The Contribution is licensed pursuant to the OpenSSL open source | 117 | * The Contribution is licensed pursuant to the OpenSSL open source |
@@ -190,15 +190,17 @@ ssl_check_srp_ext_ClientHello(SSL *s, int *al) | |||
190 | if ((s->s3->tmp.new_cipher->algorithm_mkey & SSL_kSRP) && | 190 | if ((s->s3->tmp.new_cipher->algorithm_mkey & SSL_kSRP) && |
191 | (s->srp_ctx.TLS_ext_srp_username_callback != NULL)) { | 191 | (s->srp_ctx.TLS_ext_srp_username_callback != NULL)) { |
192 | if (s->srp_ctx.login == NULL) { | 192 | if (s->srp_ctx.login == NULL) { |
193 | /* RFC 5054 says SHOULD reject, | 193 | /* |
194 | we do so if There is no srp login name */ | 194 | * RFC 5054 says SHOULD reject, |
195 | * we do so if There is no srp login name | ||
196 | */ | ||
195 | ret = SSL3_AL_FATAL; | 197 | ret = SSL3_AL_FATAL; |
196 | *al = SSL_AD_UNKNOWN_PSK_IDENTITY; | 198 | *al = SSL_AD_UNKNOWN_PSK_IDENTITY; |
197 | } else { | 199 | } else { |
198 | ret = SSL_srp_server_param_with_username(s, al); | 200 | ret = SSL_srp_server_param_with_username(s, al); |
199 | } | 201 | } |
200 | } | 202 | } |
201 | return ret; | 203 | return (ret); |
202 | } | 204 | } |
203 | #endif | 205 | #endif |
204 | 206 | ||
@@ -228,7 +230,8 @@ ssl3_accept(SSL *s) | |||
228 | SSL_clear(s); | 230 | SSL_clear(s); |
229 | 231 | ||
230 | if (s->cert == NULL) { | 232 | if (s->cert == NULL) { |
231 | SSLerr(SSL_F_SSL3_ACCEPT, SSL_R_NO_CERTIFICATE_SET); | 233 | SSLerr(SSL_F_SSL3_ACCEPT, |
234 | SSL_R_NO_CERTIFICATE_SET); | ||
232 | return (-1); | 235 | return (-1); |
233 | } | 236 | } |
234 | 237 | ||
@@ -250,8 +253,9 @@ ssl3_accept(SSL *s) | |||
250 | cb(s, SSL_CB_HANDSHAKE_START, 1); | 253 | cb(s, SSL_CB_HANDSHAKE_START, 1); |
251 | 254 | ||
252 | if ((s->version >> 8) != 3) { | 255 | if ((s->version >> 8) != 3) { |
253 | SSLerr(SSL_F_SSL3_ACCEPT, ERR_R_INTERNAL_ERROR); | 256 | SSLerr(SSL_F_SSL3_ACCEPT, |
254 | return -1; | 257 | ERR_R_INTERNAL_ERROR); |
258 | return (-1); | ||
255 | } | 259 | } |
256 | s->type = SSL_ST_ACCEPT; | 260 | s->type = SSL_ST_ACCEPT; |
257 | 261 | ||
@@ -342,7 +346,7 @@ ssl3_accept(SSL *s) | |||
342 | { | 346 | { |
343 | int al; | 347 | int al; |
344 | if ((ret = | 348 | if ((ret = |
345 | ssl_check_srp_ext_ClientHello(s, &al)) | 349 | ssl_check_srp_ext_ClientHello(s, &al)) |
346 | < 0) { | 350 | < 0) { |
347 | /* | 351 | /* |
348 | * Callback indicates further work to | 352 | * Callback indicates further work to |
@@ -531,7 +535,7 @@ ssl3_accept(SSL *s) | |||
531 | s->state = SSL3_ST_SW_SRVR_DONE_A; | 535 | s->state = SSL3_ST_SW_SRVR_DONE_A; |
532 | if (s->s3->handshake_buffer) | 536 | if (s->s3->handshake_buffer) |
533 | if (!ssl3_digest_cached_records(s)) | 537 | if (!ssl3_digest_cached_records(s)) |
534 | return -1; | 538 | return (-1); |
535 | } else { | 539 | } else { |
536 | s->s3->tmp.cert_request = 1; | 540 | s->s3->tmp.cert_request = 1; |
537 | ret = ssl3_send_certificate_request(s); | 541 | ret = ssl3_send_certificate_request(s); |
@@ -635,11 +639,11 @@ ssl3_accept(SSL *s) | |||
635 | if (!s->s3->handshake_buffer) { | 639 | if (!s->s3->handshake_buffer) { |
636 | SSLerr(SSL_F_SSL3_ACCEPT, | 640 | SSLerr(SSL_F_SSL3_ACCEPT, |
637 | ERR_R_INTERNAL_ERROR); | 641 | ERR_R_INTERNAL_ERROR); |
638 | return -1; | 642 | return (-1); |
639 | } | 643 | } |
640 | s->s3->flags |= TLS1_FLAGS_KEEP_HANDSHAKE; | 644 | s->s3->flags |= TLS1_FLAGS_KEEP_HANDSHAKE; |
641 | if (!ssl3_digest_cached_records(s)) | 645 | if (!ssl3_digest_cached_records(s)) |
642 | return -1; | 646 | return (-1); |
643 | } else { | 647 | } else { |
644 | int offset = 0; | 648 | int offset = 0; |
645 | int dgst_num; | 649 | int dgst_num; |
@@ -647,7 +651,7 @@ ssl3_accept(SSL *s) | |||
647 | s->state = SSL3_ST_SR_CERT_VRFY_A; | 651 | s->state = SSL3_ST_SR_CERT_VRFY_A; |
648 | s->init_num = 0; | 652 | s->init_num = 0; |
649 | 653 | ||
650 | /* | 654 | /* |
651 | * We need to get hashes here so if there is | 655 | * We need to get hashes here so if there is |
652 | * a client cert, it can be verified | 656 | * a client cert, it can be verified |
653 | * FIXME - digest processing for | 657 | * FIXME - digest processing for |
@@ -656,7 +660,7 @@ ssl3_accept(SSL *s) | |||
656 | */ | 660 | */ |
657 | if (s->s3->handshake_buffer) | 661 | if (s->s3->handshake_buffer) |
658 | if (!ssl3_digest_cached_records(s)) | 662 | if (!ssl3_digest_cached_records(s)) |
659 | return -1; | 663 | return (-1); |
660 | for (dgst_num = 0; dgst_num < SSL_MAX_DIGEST; | 664 | for (dgst_num = 0; dgst_num < SSL_MAX_DIGEST; |
661 | dgst_num++) | 665 | dgst_num++) |
662 | if (s->s3->handshake_dgst[dgst_num]) { | 666 | if (s->s3->handshake_dgst[dgst_num]) { |
@@ -827,7 +831,8 @@ ssl3_accept(SSL *s) | |||
827 | /* break; */ | 831 | /* break; */ |
828 | 832 | ||
829 | default: | 833 | default: |
830 | SSLerr(SSL_F_SSL3_ACCEPT, SSL_R_UNKNOWN_STATE); | 834 | SSLerr(SSL_F_SSL3_ACCEPT, |
835 | SSL_R_UNKNOWN_STATE); | ||
831 | ret = -1; | 836 | ret = -1; |
832 | goto end; | 837 | goto end; |
833 | /* break; */ | 838 | /* break; */ |
@@ -903,7 +908,7 @@ ssl3_check_client_hello(SSL *s) | |||
903 | if (s->s3->flags & SSL3_FLAGS_SGC_RESTART_DONE) { | 908 | if (s->s3->flags & SSL3_FLAGS_SGC_RESTART_DONE) { |
904 | SSLerr(SSL_F_SSL3_CHECK_CLIENT_HELLO, | 909 | SSLerr(SSL_F_SSL3_CHECK_CLIENT_HELLO, |
905 | SSL_R_MULTIPLE_SGC_RESTARTS); | 910 | SSL_R_MULTIPLE_SGC_RESTARTS); |
906 | return -1; | 911 | return (-1); |
907 | } | 912 | } |
908 | /* | 913 | /* |
909 | * Throw away what we have done so far in the current handshake, | 914 | * Throw away what we have done so far in the current handshake, |
@@ -923,9 +928,9 @@ ssl3_check_client_hello(SSL *s) | |||
923 | } | 928 | } |
924 | #endif | 929 | #endif |
925 | s->s3->flags |= SSL3_FLAGS_SGC_RESTART_DONE; | 930 | s->s3->flags |= SSL3_FLAGS_SGC_RESTART_DONE; |
926 | return 2; | 931 | return (2); |
927 | } | 932 | } |
928 | return 1; | 933 | return (1); |
929 | } | 934 | } |
930 | 935 | ||
931 | int | 936 | int |
@@ -974,7 +979,8 @@ ssl3_get_client_hello(SSL *s) | |||
974 | 979 | ||
975 | if ((s->version == DTLS1_VERSION && s->client_version > s->version) || | 980 | if ((s->version == DTLS1_VERSION && s->client_version > s->version) || |
976 | (s->version != DTLS1_VERSION && s->client_version < s->version)) { | 981 | (s->version != DTLS1_VERSION && s->client_version < s->version)) { |
977 | SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_WRONG_VERSION_NUMBER); | 982 | SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, |
983 | SSL_R_WRONG_VERSION_NUMBER); | ||
978 | if ((s->client_version >> 8) == SSL3_VERSION_MAJOR && | 984 | if ((s->client_version >> 8) == SSL3_VERSION_MAJOR && |
979 | !s->enc_write_ctx && !s->write_hash) { | 985 | !s->enc_write_ctx && !s->write_hash) { |
980 | /* | 986 | /* |
@@ -999,7 +1005,7 @@ ssl3_get_client_hello(SSL *s) | |||
999 | cookie_length = *(p + SSL3_RANDOM_SIZE + session_length + 1); | 1005 | cookie_length = *(p + SSL3_RANDOM_SIZE + session_length + 1); |
1000 | 1006 | ||
1001 | if (cookie_length == 0) | 1007 | if (cookie_length == 0) |
1002 | return 1; | 1008 | return (1); |
1003 | } | 1009 | } |
1004 | 1010 | ||
1005 | /* load the client random */ | 1011 | /* load the client random */ |
@@ -1048,7 +1054,7 @@ ssl3_get_client_hello(SSL *s) | |||
1048 | /* cookie stuff */ | 1054 | /* cookie stuff */ |
1049 | cookie_len = *(p++); | 1055 | cookie_len = *(p++); |
1050 | 1056 | ||
1051 | /* | 1057 | /* |
1052 | * The ClientHello may contain a cookie even if the | 1058 | * The ClientHello may contain a cookie even if the |
1053 | * HelloVerify message has not been sent--make sure that it | 1059 | * HelloVerify message has not been sent--make sure that it |
1054 | * does not cause an overflow. | 1060 | * does not cause an overflow. |
@@ -1094,13 +1100,15 @@ ssl3_get_client_hello(SSL *s) | |||
1094 | if ((i == 0) && (j != 0)) { | 1100 | if ((i == 0) && (j != 0)) { |
1095 | /* we need a cipher if we are not resuming a session */ | 1101 | /* we need a cipher if we are not resuming a session */ |
1096 | al = SSL_AD_ILLEGAL_PARAMETER; | 1102 | al = SSL_AD_ILLEGAL_PARAMETER; |
1097 | SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_NO_CIPHERS_SPECIFIED); | 1103 | SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, |
1104 | SSL_R_NO_CIPHERS_SPECIFIED); | ||
1098 | goto f_err; | 1105 | goto f_err; |
1099 | } | 1106 | } |
1100 | if ((p + i) >= (d + n)) { | 1107 | if ((p + i) >= (d + n)) { |
1101 | /* not enough data */ | 1108 | /* not enough data */ |
1102 | al = SSL_AD_DECODE_ERROR; | 1109 | al = SSL_AD_DECODE_ERROR; |
1103 | SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_LENGTH_MISMATCH); | 1110 | SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, |
1111 | SSL_R_LENGTH_MISMATCH); | ||
1104 | goto f_err; | 1112 | goto f_err; |
1105 | } | 1113 | } |
1106 | if ((i > 0) && | 1114 | if ((i > 0) && |
@@ -1143,7 +1151,8 @@ ssl3_get_client_hello(SSL *s) | |||
1143 | if ((p + i) > (d + n)) { | 1151 | if ((p + i) > (d + n)) { |
1144 | /* not enough data */ | 1152 | /* not enough data */ |
1145 | al = SSL_AD_DECODE_ERROR; | 1153 | al = SSL_AD_DECODE_ERROR; |
1146 | SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_LENGTH_MISMATCH); | 1154 | SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, |
1155 | SSL_R_LENGTH_MISMATCH); | ||
1147 | goto f_err; | 1156 | goto f_err; |
1148 | } | 1157 | } |
1149 | q = p; | 1158 | q = p; |
@@ -1172,7 +1181,8 @@ ssl3_get_client_hello(SSL *s) | |||
1172 | } | 1181 | } |
1173 | } | 1182 | } |
1174 | if (ssl_check_clienthello_tlsext_early(s) <= 0) { | 1183 | if (ssl_check_clienthello_tlsext_early(s) <= 0) { |
1175 | SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_CLIENTHELLO_TLSEXT); | 1184 | SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, |
1185 | SSL_R_CLIENTHELLO_TLSEXT); | ||
1176 | goto err; | 1186 | goto err; |
1177 | } | 1187 | } |
1178 | 1188 | ||
@@ -1377,7 +1387,7 @@ ssl3_get_client_hello(SSL *s) | |||
1377 | } | 1387 | } |
1378 | 1388 | ||
1379 | /* | 1389 | /* |
1380 | * We now have the following setup. | 1390 | * We now have the following setup. |
1381 | * client_random | 1391 | * client_random |
1382 | * cipher_list - our prefered list of ciphers | 1392 | * cipher_list - our prefered list of ciphers |
1383 | * ciphers - the clients prefered list of ciphers | 1393 | * ciphers - the clients prefered list of ciphers |
@@ -1422,7 +1432,7 @@ ssl3_send_server_hello(SSL *s) | |||
1422 | #ifdef OPENSSL_NO_TLSEXT | 1432 | #ifdef OPENSSL_NO_TLSEXT |
1423 | p = s->s3->server_random; | 1433 | p = s->s3->server_random; |
1424 | if (ssl_fill_hello_random(s, 1, p, SSL3_RANDOM_SIZE) <= 0) | 1434 | if (ssl_fill_hello_random(s, 1, p, SSL3_RANDOM_SIZE) <= 0) |
1425 | return -1; | 1435 | return (-1); |
1426 | #endif | 1436 | #endif |
1427 | /* Do the message type and length last */ | 1437 | /* Do the message type and length last */ |
1428 | d = p= &(buf[4]); | 1438 | d = p= &(buf[4]); |
@@ -1460,7 +1470,7 @@ ssl3_send_server_hello(SSL *s) | |||
1460 | if (sl > (int)sizeof(s->session->session_id)) { | 1470 | if (sl > (int)sizeof(s->session->session_id)) { |
1461 | SSLerr(SSL_F_SSL3_SEND_SERVER_HELLO, | 1471 | SSLerr(SSL_F_SSL3_SEND_SERVER_HELLO, |
1462 | ERR_R_INTERNAL_ERROR); | 1472 | ERR_R_INTERNAL_ERROR); |
1463 | return -1; | 1473 | return (-1); |
1464 | } | 1474 | } |
1465 | *(p++) = sl; | 1475 | *(p++) = sl; |
1466 | memcpy(p, s->session->session_id, sl); | 1476 | memcpy(p, s->session->session_id, sl); |
@@ -1483,13 +1493,13 @@ ssl3_send_server_hello(SSL *s) | |||
1483 | if (ssl_prepare_serverhello_tlsext(s) <= 0) { | 1493 | if (ssl_prepare_serverhello_tlsext(s) <= 0) { |
1484 | SSLerr(SSL_F_SSL3_SEND_SERVER_HELLO, | 1494 | SSLerr(SSL_F_SSL3_SEND_SERVER_HELLO, |
1485 | SSL_R_SERVERHELLO_TLSEXT); | 1495 | SSL_R_SERVERHELLO_TLSEXT); |
1486 | return -1; | 1496 | return (-1); |
1487 | } | 1497 | } |
1488 | if ((p = ssl_add_serverhello_tlsext(s, p, | 1498 | if ((p = ssl_add_serverhello_tlsext(s, p, |
1489 | buf + SSL3_RT_MAX_PLAIN_LENGTH)) == NULL) { | 1499 | buf + SSL3_RT_MAX_PLAIN_LENGTH)) == NULL) { |
1490 | SSLerr(SSL_F_SSL3_SEND_SERVER_HELLO, | 1500 | SSLerr(SSL_F_SSL3_SEND_SERVER_HELLO, |
1491 | ERR_R_INTERNAL_ERROR); | 1501 | ERR_R_INTERNAL_ERROR); |
1492 | return -1; | 1502 | return (-1); |
1493 | } | 1503 | } |
1494 | #endif | 1504 | #endif |
1495 | /* do the header */ | 1505 | /* do the header */ |
@@ -1714,9 +1724,9 @@ ssl3_send_server_key_exchange(SSL *s) | |||
1714 | goto err; | 1724 | goto err; |
1715 | } | 1725 | } |
1716 | 1726 | ||
1717 | /* | 1727 | /* |
1718 | * XXX: For now, we only support ephemeral ECDH | 1728 | * XXX: For now, we only support ephemeral ECDH |
1719 | * keys over named (not generic) curves. For | 1729 | * keys over named (not generic) curves. For |
1720 | * supported named curves, curve_id is non-zero. | 1730 | * supported named curves, curve_id is non-zero. |
1721 | */ | 1731 | */ |
1722 | if ((curve_id = tls1_ec_nid2curve_id( | 1732 | if ((curve_id = tls1_ec_nid2curve_id( |
@@ -1726,7 +1736,7 @@ ssl3_send_server_key_exchange(SSL *s) | |||
1726 | goto err; | 1736 | goto err; |
1727 | } | 1737 | } |
1728 | 1738 | ||
1729 | /* | 1739 | /* |
1730 | * Encode the public key. | 1740 | * Encode the public key. |
1731 | * First check the size of encoding and | 1741 | * First check the size of encoding and |
1732 | * allocate memory accordingly. | 1742 | * allocate memory accordingly. |
@@ -1760,12 +1770,12 @@ ssl3_send_server_key_exchange(SSL *s) | |||
1760 | BN_CTX_free(bn_ctx); | 1770 | BN_CTX_free(bn_ctx); |
1761 | bn_ctx = NULL; | 1771 | bn_ctx = NULL; |
1762 | 1772 | ||
1763 | /* | 1773 | /* |
1764 | * XXX: For now, we only support named (not | 1774 | * XXX: For now, we only support named (not |
1765 | * generic) curves in ECDH ephemeral key exchanges. | 1775 | * generic) curves in ECDH ephemeral key exchanges. |
1766 | * In this situation, we need four additional bytes | 1776 | * In this situation, we need four additional bytes |
1767 | * to encode the entire ServerECDHParams | 1777 | * to encode the entire ServerECDHParams |
1768 | * structure. | 1778 | * structure. |
1769 | */ | 1779 | */ |
1770 | n = 4 + encodedlen; | 1780 | n = 4 + encodedlen; |
1771 | 1781 | ||
@@ -1790,7 +1800,8 @@ ssl3_send_server_key_exchange(SSL *s) | |||
1790 | if (type & SSL_kSRP) { | 1800 | if (type & SSL_kSRP) { |
1791 | if ((s->srp_ctx.N == NULL) || (s->srp_ctx.g == NULL) || | 1801 | if ((s->srp_ctx.N == NULL) || (s->srp_ctx.g == NULL) || |
1792 | (s->srp_ctx.s == NULL) || (s->srp_ctx.B == NULL)) { | 1802 | (s->srp_ctx.s == NULL) || (s->srp_ctx.B == NULL)) { |
1793 | SSLerr(SSL_F_SSL3_SEND_SERVER_KEY_EXCHANGE, SSL_R_MISSING_SRP_PARAM); | 1803 | SSLerr(SSL_F_SSL3_SEND_SERVER_KEY_EXCHANGE, |
1804 | SSL_R_MISSING_SRP_PARAM); | ||
1794 | goto err; | 1805 | goto err; |
1795 | } | 1806 | } |
1796 | r[0] = s->srp_ctx.N; | 1807 | r[0] = s->srp_ctx.N; |
@@ -1801,7 +1812,8 @@ ssl3_send_server_key_exchange(SSL *s) | |||
1801 | #endif | 1812 | #endif |
1802 | { | 1813 | { |
1803 | al = SSL_AD_HANDSHAKE_FAILURE; | 1814 | al = SSL_AD_HANDSHAKE_FAILURE; |
1804 | SSLerr(SSL_F_SSL3_SEND_SERVER_KEY_EXCHANGE, SSL_R_UNKNOWN_KEY_EXCHANGE_TYPE); | 1815 | SSLerr(SSL_F_SSL3_SEND_SERVER_KEY_EXCHANGE, |
1816 | SSL_R_UNKNOWN_KEY_EXCHANGE_TYPE); | ||
1805 | goto f_err; | 1817 | goto f_err; |
1806 | } | 1818 | } |
1807 | for (i = 0; i < 4 && r[i] != NULL; i++) { | 1819 | for (i = 0; i < 4 && r[i] != NULL; i++) { |
@@ -1922,7 +1934,7 @@ ssl3_send_server_key_exchange(SSL *s) | |||
1922 | n += u + 2; | 1934 | n += u + 2; |
1923 | } else | 1935 | } else |
1924 | if (md) { | 1936 | if (md) { |
1925 | /* | 1937 | /* |
1926 | * For TLS1.2 and later send signature | 1938 | * For TLS1.2 and later send signature |
1927 | * algorithm | 1939 | * algorithm |
1928 | */ | 1940 | */ |
@@ -2384,7 +2396,8 @@ ssl3_get_client_key_exchange(SSL *s) | |||
2384 | } | 2396 | } |
2385 | 2397 | ||
2386 | if ((krb5rc = kssl_validate_times(authtime, &ttimes)) != 0) { | 2398 | if ((krb5rc = kssl_validate_times(authtime, &ttimes)) != 0) { |
2387 | SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE, krb5rc); | 2399 | SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE, |
2400 | krb5rc); | ||
2388 | goto err; | 2401 | goto err; |
2389 | } | 2402 | } |
2390 | 2403 | ||
@@ -2436,7 +2449,7 @@ ssl3_get_client_key_exchange(SSL *s) | |||
2436 | * instead of the protocol version. | 2449 | * instead of the protocol version. |
2437 | * | 2450 | * |
2438 | * If SSL_OP_TLS_ROLLBACK_BUG is set, tolerate such | 2451 | * If SSL_OP_TLS_ROLLBACK_BUG is set, tolerate such |
2439 | * clients. | 2452 | * clients. |
2440 | * (Perhaps we should have a separate BUG value for | 2453 | * (Perhaps we should have a separate BUG value for |
2441 | * the Kerberos cipher) | 2454 | * the Kerberos cipher) |
2442 | */ | 2455 | */ |
@@ -2463,7 +2476,7 @@ ssl3_get_client_key_exchange(SSL *s) | |||
2463 | } | 2476 | } |
2464 | 2477 | ||
2465 | 2478 | ||
2466 | /* | 2479 | /* |
2467 | * Was doing kssl_ctx_free() here, but it caused problems for | 2480 | * Was doing kssl_ctx_free() here, but it caused problems for |
2468 | * apache. | 2481 | * apache. |
2469 | * kssl_ctx = kssl_ctx_free(kssl_ctx); | 2482 | * kssl_ctx = kssl_ctx_free(kssl_ctx); |
@@ -2528,13 +2541,13 @@ ssl3_get_client_key_exchange(SSL *s) | |||
2528 | if (((clnt_pub_pkey = X509_get_pubkey( | 2541 | if (((clnt_pub_pkey = X509_get_pubkey( |
2529 | s->session->peer)) == NULL) || | 2542 | s->session->peer)) == NULL) || |
2530 | (clnt_pub_pkey->type != EVP_PKEY_EC)) { | 2543 | (clnt_pub_pkey->type != EVP_PKEY_EC)) { |
2531 | /* | 2544 | /* |
2532 | * XXX: For now, we do not support client | 2545 | * XXX: For now, we do not support client |
2533 | * authentication using ECDH certificates | 2546 | * authentication using ECDH certificates |
2534 | * so this branch (n == 0L) of the code is | 2547 | * so this branch (n == 0L) of the code is |
2535 | * never executed. When that support is | 2548 | * never executed. When that support is |
2536 | * added, we ought to ensure the key | 2549 | * added, we ought to ensure the key |
2537 | * received in the certificate is | 2550 | * received in the certificate is |
2538 | * authorized for key agreement. | 2551 | * authorized for key agreement. |
2539 | * ECDH_compute_key implicitly checks that | 2552 | * ECDH_compute_key implicitly checks that |
2540 | * the two ECDH shares are for the same | 2553 | * the two ECDH shares are for the same |
@@ -2582,7 +2595,7 @@ ssl3_get_client_key_exchange(SSL *s) | |||
2582 | /* | 2595 | /* |
2583 | * p is pointing to somewhere in the buffer | 2596 | * p is pointing to somewhere in the buffer |
2584 | * currently, so set it to the start. | 2597 | * currently, so set it to the start. |
2585 | */ | 2598 | */ |
2586 | p = (unsigned char *)s->init_buf->data; | 2599 | p = (unsigned char *)s->init_buf->data; |
2587 | } | 2600 | } |
2588 | 2601 | ||
@@ -2808,7 +2821,7 @@ ssl3_get_client_key_exchange(SSL *s) | |||
2808 | EVP_PKEY_free(client_pub_pkey); | 2821 | EVP_PKEY_free(client_pub_pkey); |
2809 | EVP_PKEY_CTX_free(pkey_ctx); | 2822 | EVP_PKEY_CTX_free(pkey_ctx); |
2810 | if (ret) | 2823 | if (ret) |
2811 | return ret; | 2824 | return (ret); |
2812 | else | 2825 | else |
2813 | goto err; | 2826 | goto err; |
2814 | } else { | 2827 | } else { |
@@ -2897,7 +2910,7 @@ ssl3_get_cert_verify(SSL *s) | |||
2897 | p = (unsigned char *)s->init_msg; | 2910 | p = (unsigned char *)s->init_msg; |
2898 | /* | 2911 | /* |
2899 | * Check for broken implementations of GOST ciphersuites. | 2912 | * Check for broken implementations of GOST ciphersuites. |
2900 | * | 2913 | * |
2901 | * If key is GOST and n is exactly 64, it is a bare | 2914 | * If key is GOST and n is exactly 64, it is a bare |
2902 | * signature without length field. | 2915 | * signature without length field. |
2903 | */ | 2916 | */ |
@@ -2946,7 +2959,8 @@ ssl3_get_cert_verify(SSL *s) | |||
2946 | } | 2959 | } |
2947 | j = EVP_PKEY_size(pkey); | 2960 | j = EVP_PKEY_size(pkey); |
2948 | if ((i > j) || (n > j) || (n <= 0)) { | 2961 | if ((i > j) || (n > j) || (n <= 0)) { |
2949 | SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, SSL_R_WRONG_SIGNATURE_SIZE); | 2962 | SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, |
2963 | SSL_R_WRONG_SIGNATURE_SIZE); | ||
2950 | al = SSL_AD_DECODE_ERROR; | 2964 | al = SSL_AD_DECODE_ERROR; |
2951 | goto f_err; | 2965 | goto f_err; |
2952 | } | 2966 | } |
@@ -2967,14 +2981,16 @@ ssl3_get_cert_verify(SSL *s) | |||
2967 | #endif | 2981 | #endif |
2968 | if (!EVP_VerifyInit_ex(&mctx, md, NULL) || | 2982 | if (!EVP_VerifyInit_ex(&mctx, md, NULL) || |
2969 | !EVP_VerifyUpdate(&mctx, hdata, hdatalen)) { | 2983 | !EVP_VerifyUpdate(&mctx, hdata, hdatalen)) { |
2970 | SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, ERR_R_EVP_LIB); | 2984 | SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, |
2985 | ERR_R_EVP_LIB); | ||
2971 | al = SSL_AD_INTERNAL_ERROR; | 2986 | al = SSL_AD_INTERNAL_ERROR; |
2972 | goto f_err; | 2987 | goto f_err; |
2973 | } | 2988 | } |
2974 | 2989 | ||
2975 | if (EVP_VerifyFinal(&mctx, p , i, pkey) <= 0) { | 2990 | if (EVP_VerifyFinal(&mctx, p , i, pkey) <= 0) { |
2976 | al = SSL_AD_DECRYPT_ERROR; | 2991 | al = SSL_AD_DECRYPT_ERROR; |
2977 | SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, SSL_R_BAD_SIGNATURE); | 2992 | SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, |
2993 | SSL_R_BAD_SIGNATURE); | ||
2978 | goto f_err; | 2994 | goto f_err; |
2979 | } | 2995 | } |
2980 | } else | 2996 | } else |
@@ -3043,7 +3059,8 @@ ssl3_get_cert_verify(SSL *s) | |||
3043 | goto f_err; | 3059 | goto f_err; |
3044 | } | 3060 | } |
3045 | } else { | 3061 | } else { |
3046 | SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, ERR_R_INTERNAL_ERROR); | 3062 | SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, |
3063 | ERR_R_INTERNAL_ERROR); | ||
3047 | al = SSL_AD_UNSUPPORTED_CERTIFICATE; | 3064 | al = SSL_AD_UNSUPPORTED_CERTIFICATE; |
3048 | goto f_err; | 3065 | goto f_err; |
3049 | } | 3066 | } |
@@ -3277,10 +3294,10 @@ ssl3_send_newsession_ticket(SSL *s) | |||
3277 | * too long | 3294 | * too long |
3278 | */ | 3295 | */ |
3279 | if (slen_full > 0xFF00) | 3296 | if (slen_full > 0xFF00) |
3280 | return -1; | 3297 | return (-1); |
3281 | senc = malloc(slen_full); | 3298 | senc = malloc(slen_full); |
3282 | if (!senc) | 3299 | if (!senc) |
3283 | return -1; | 3300 | return (-1); |
3284 | p = senc; | 3301 | p = senc; |
3285 | i2d_SSL_SESSION(s->session, &p); | 3302 | i2d_SSL_SESSION(s->session, &p); |
3286 | 3303 | ||
@@ -3292,7 +3309,7 @@ ssl3_send_newsession_ticket(SSL *s) | |||
3292 | sess = d2i_SSL_SESSION(NULL, &const_p, slen_full); | 3309 | sess = d2i_SSL_SESSION(NULL, &const_p, slen_full); |
3293 | if (sess == NULL) { | 3310 | if (sess == NULL) { |
3294 | free(senc); | 3311 | free(senc); |
3295 | return -1; | 3312 | return (-1); |
3296 | } | 3313 | } |
3297 | 3314 | ||
3298 | /* ID is irrelevant for the ticket */ | 3315 | /* ID is irrelevant for the ticket */ |
@@ -3302,13 +3319,13 @@ ssl3_send_newsession_ticket(SSL *s) | |||
3302 | if (slen > slen_full) { | 3319 | if (slen > slen_full) { |
3303 | /* shouldn't ever happen */ | 3320 | /* shouldn't ever happen */ |
3304 | free(senc); | 3321 | free(senc); |
3305 | return -1; | 3322 | return (-1); |
3306 | } | 3323 | } |
3307 | p = senc; | 3324 | p = senc; |
3308 | i2d_SSL_SESSION(sess, &p); | 3325 | i2d_SSL_SESSION(sess, &p); |
3309 | SSL_SESSION_free(sess); | 3326 | SSL_SESSION_free(sess); |
3310 | 3327 | ||
3311 | /* | 3328 | /* |
3312 | * Grow buffer if need be: the length calculation is as | 3329 | * Grow buffer if need be: the length calculation is as |
3313 | * follows 1 (size of message name) + 3 (message length | 3330 | * follows 1 (size of message name) + 3 (message length |
3314 | * bytes) + 4 (ticket lifetime hint) + 2 (ticket length) + | 3331 | * bytes) + 4 (ticket lifetime hint) + 2 (ticket length) + |
@@ -3319,7 +3336,7 @@ ssl3_send_newsession_ticket(SSL *s) | |||
3319 | if (!BUF_MEM_grow(s->init_buf, | 3336 | if (!BUF_MEM_grow(s->init_buf, |
3320 | 26 + EVP_MAX_IV_LENGTH + EVP_MAX_BLOCK_LENGTH + | 3337 | 26 + EVP_MAX_IV_LENGTH + EVP_MAX_BLOCK_LENGTH + |
3321 | EVP_MAX_MD_SIZE + slen)) | 3338 | EVP_MAX_MD_SIZE + slen)) |
3322 | return -1; | 3339 | return (-1); |
3323 | 3340 | ||
3324 | p = (unsigned char *)s->init_buf->data; | 3341 | p = (unsigned char *)s->init_buf->data; |
3325 | /* do the header */ | 3342 | /* do the header */ |
@@ -3337,7 +3354,7 @@ ssl3_send_newsession_ticket(SSL *s) | |||
3337 | if (tctx->tlsext_ticket_key_cb(s, key_name, iv, &ctx, | 3354 | if (tctx->tlsext_ticket_key_cb(s, key_name, iv, &ctx, |
3338 | &hctx, 1) < 0) { | 3355 | &hctx, 1) < 0) { |
3339 | free(senc); | 3356 | free(senc); |
3340 | return -1; | 3357 | return (-1); |
3341 | } | 3358 | } |
3342 | } else { | 3359 | } else { |
3343 | RAND_pseudo_bytes(iv, 16); | 3360 | RAND_pseudo_bytes(iv, 16); |
@@ -3409,7 +3426,7 @@ ssl3_send_cert_status(SSL *s) | |||
3409 | * + (ocsp response) | 3426 | * + (ocsp response) |
3410 | */ | 3427 | */ |
3411 | if (!BUF_MEM_grow(s->init_buf, 8 + s->tlsext_ocsp_resplen)) | 3428 | if (!BUF_MEM_grow(s->init_buf, 8 + s->tlsext_ocsp_resplen)) |
3412 | return -1; | 3429 | return (-1); |
3413 | 3430 | ||
3414 | p = (unsigned char *)s->init_buf->data; | 3431 | p = (unsigned char *)s->init_buf->data; |
3415 | 3432 | ||
@@ -3453,7 +3470,7 @@ ssl3_get_next_proto(SSL *s) | |||
3453 | if (!s->s3->next_proto_neg_seen) { | 3470 | if (!s->s3->next_proto_neg_seen) { |
3454 | SSLerr(SSL_F_SSL3_GET_NEXT_PROTO, | 3471 | SSLerr(SSL_F_SSL3_GET_NEXT_PROTO, |
3455 | SSL_R_GOT_NEXT_PROTO_WITHOUT_EXTENSION); | 3472 | SSL_R_GOT_NEXT_PROTO_WITHOUT_EXTENSION); |
3456 | return -1; | 3473 | return (-1); |
3457 | } | 3474 | } |
3458 | 3475 | ||
3459 | n = s->method->ssl_get_message(s, SSL3_ST_SR_NEXT_PROTO_A, | 3476 | n = s->method->ssl_get_message(s, SSL3_ST_SR_NEXT_PROTO_A, |
@@ -3470,11 +3487,11 @@ ssl3_get_next_proto(SSL *s) | |||
3470 | if (!s->s3->change_cipher_spec) { | 3487 | if (!s->s3->change_cipher_spec) { |
3471 | SSLerr(SSL_F_SSL3_GET_NEXT_PROTO, | 3488 | SSLerr(SSL_F_SSL3_GET_NEXT_PROTO, |
3472 | SSL_R_GOT_NEXT_PROTO_BEFORE_A_CCS); | 3489 | SSL_R_GOT_NEXT_PROTO_BEFORE_A_CCS); |
3473 | return -1; | 3490 | return (-1); |
3474 | } | 3491 | } |
3475 | 3492 | ||
3476 | if (n < 2) | 3493 | if (n < 2) |
3477 | return 0; | 3494 | return (0); |
3478 | /* The body must be > 1 bytes long */ | 3495 | /* The body must be > 1 bytes long */ |
3479 | 3496 | ||
3480 | p = (unsigned char *)s->init_msg; | 3497 | p = (unsigned char *)s->init_msg; |
@@ -3488,20 +3505,21 @@ ssl3_get_next_proto(SSL *s) | |||
3488 | */ | 3505 | */ |
3489 | proto_len = p[0]; | 3506 | proto_len = p[0]; |
3490 | if (proto_len + 2 > s->init_num) | 3507 | if (proto_len + 2 > s->init_num) |
3491 | return 0; | 3508 | return (0); |
3492 | padding_len = p[proto_len + 1]; | 3509 | padding_len = p[proto_len + 1]; |
3493 | if (proto_len + padding_len + 2 != s->init_num) | 3510 | if (proto_len + padding_len + 2 != s->init_num) |
3494 | return 0; | 3511 | return (0); |
3495 | 3512 | ||
3496 | s->next_proto_negotiated = malloc(proto_len); | 3513 | s->next_proto_negotiated = malloc(proto_len); |
3497 | if (!s->next_proto_negotiated) { | 3514 | if (!s->next_proto_negotiated) { |
3498 | SSLerr(SSL_F_SSL3_GET_NEXT_PROTO, ERR_R_MALLOC_FAILURE); | 3515 | SSLerr(SSL_F_SSL3_GET_NEXT_PROTO, |
3499 | return 0; | 3516 | ERR_R_MALLOC_FAILURE); |
3517 | return (0); | ||
3500 | } | 3518 | } |
3501 | memcpy(s->next_proto_negotiated, p + 1, proto_len); | 3519 | memcpy(s->next_proto_negotiated, p + 1, proto_len); |
3502 | s->next_proto_negotiated_len = proto_len; | 3520 | s->next_proto_negotiated_len = proto_len; |
3503 | 3521 | ||
3504 | return 1; | 3522 | return (1); |
3505 | } | 3523 | } |
3506 | # endif | 3524 | # endif |
3507 | #endif | 3525 | #endif |