2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
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
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
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.
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
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:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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
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
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
58 /* ====================================================================
59 * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
113 #include <openssl/objects.h>
114 #include "ssl_locl.h"
116 const char *ssl3_version_str="SSLv3" OPENSSL_VERSION_PTEXT;
118 #define SSL3_NUM_CIPHERS (sizeof(ssl3_ciphers)/sizeof(SSL_CIPHER))
120 static long ssl3_default_timeout(void );
122 OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
123 /* The RSA ciphers */
127 SSL3_TXT_RSA_NULL_MD5,
128 SSL3_CK_RSA_NULL_MD5,
129 SSL_kRSA|SSL_aRSA|SSL_eNULL |SSL_MD5|SSL_SSLV3,
140 SSL3_TXT_RSA_NULL_SHA,
141 SSL3_CK_RSA_NULL_SHA,
142 SSL_kRSA|SSL_aRSA|SSL_eNULL |SSL_SHA1|SSL_SSLV3,
155 SSL3_TXT_ADH_RC4_40_MD5,
156 SSL3_CK_ADH_RC4_40_MD5,
157 SSL_kEDH |SSL_aNULL|SSL_RC4 |SSL_MD5 |SSL_SSLV3,
158 SSL_EXPORT|SSL_EXP40,
168 SSL3_TXT_ADH_RC4_128_MD5,
169 SSL3_CK_ADH_RC4_128_MD5,
170 SSL_kEDH |SSL_aNULL|SSL_RC4 |SSL_MD5 |SSL_SSLV3,
181 SSL3_TXT_ADH_DES_40_CBC_SHA,
182 SSL3_CK_ADH_DES_40_CBC_SHA,
183 SSL_kEDH |SSL_aNULL|SSL_DES|SSL_SHA1|SSL_SSLV3,
184 SSL_EXPORT|SSL_EXP40,
194 SSL3_TXT_ADH_DES_64_CBC_SHA,
195 SSL3_CK_ADH_DES_64_CBC_SHA,
196 SSL_kEDH |SSL_aNULL|SSL_DES |SSL_SHA1|SSL_SSLV3,
207 SSL3_TXT_ADH_DES_192_CBC_SHA,
208 SSL3_CK_ADH_DES_192_CBC_SHA,
209 SSL_kEDH |SSL_aNULL|SSL_3DES |SSL_SHA1|SSL_SSLV3,
222 SSL3_TXT_RSA_RC4_40_MD5,
223 SSL3_CK_RSA_RC4_40_MD5,
224 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_MD5 |SSL_SSLV3,
225 SSL_EXPORT|SSL_EXP40,
235 SSL3_TXT_RSA_RC4_128_MD5,
236 SSL3_CK_RSA_RC4_128_MD5,
237 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_MD5|SSL_SSLV3,
238 SSL_NOT_EXP|SSL_MEDIUM,
248 SSL3_TXT_RSA_RC4_128_SHA,
249 SSL3_CK_RSA_RC4_128_SHA,
250 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_SHA1|SSL_SSLV3,
251 SSL_NOT_EXP|SSL_MEDIUM,
261 SSL3_TXT_RSA_RC2_40_MD5,
262 SSL3_CK_RSA_RC2_40_MD5,
263 SSL_kRSA|SSL_aRSA|SSL_RC2 |SSL_MD5 |SSL_SSLV3,
264 SSL_EXPORT|SSL_EXP40,
274 SSL3_TXT_RSA_IDEA_128_SHA,
275 SSL3_CK_RSA_IDEA_128_SHA,
276 SSL_kRSA|SSL_aRSA|SSL_IDEA |SSL_SHA1|SSL_SSLV3,
277 SSL_NOT_EXP|SSL_MEDIUM,
287 SSL3_TXT_RSA_DES_40_CBC_SHA,
288 SSL3_CK_RSA_DES_40_CBC_SHA,
289 SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA1|SSL_SSLV3,
290 SSL_EXPORT|SSL_EXP40,
300 SSL3_TXT_RSA_DES_64_CBC_SHA,
301 SSL3_CK_RSA_DES_64_CBC_SHA,
302 SSL_kRSA|SSL_aRSA|SSL_DES |SSL_SHA1|SSL_SSLV3,
313 SSL3_TXT_RSA_DES_192_CBC3_SHA,
314 SSL3_CK_RSA_DES_192_CBC3_SHA,
315 SSL_kRSA|SSL_aRSA|SSL_3DES |SSL_SHA1|SSL_SSLV3,
316 SSL_NOT_EXP|SSL_HIGH,
328 SSL3_TXT_DH_DSS_DES_40_CBC_SHA,
329 SSL3_CK_DH_DSS_DES_40_CBC_SHA,
330 SSL_kDHd |SSL_aDH|SSL_DES|SSL_SHA1|SSL_SSLV3,
331 SSL_EXPORT|SSL_EXP40,
341 SSL3_TXT_DH_DSS_DES_64_CBC_SHA,
342 SSL3_CK_DH_DSS_DES_64_CBC_SHA,
343 SSL_kDHd |SSL_aDH|SSL_DES |SSL_SHA1|SSL_SSLV3,
354 SSL3_TXT_DH_DSS_DES_192_CBC3_SHA,
355 SSL3_CK_DH_DSS_DES_192_CBC3_SHA,
356 SSL_kDHd |SSL_aDH|SSL_3DES |SSL_SHA1|SSL_SSLV3,
357 SSL_NOT_EXP|SSL_HIGH,
367 SSL3_TXT_DH_RSA_DES_40_CBC_SHA,
368 SSL3_CK_DH_RSA_DES_40_CBC_SHA,
369 SSL_kDHr |SSL_aDH|SSL_DES|SSL_SHA1|SSL_SSLV3,
370 SSL_EXPORT|SSL_EXP40,
380 SSL3_TXT_DH_RSA_DES_64_CBC_SHA,
381 SSL3_CK_DH_RSA_DES_64_CBC_SHA,
382 SSL_kDHr |SSL_aDH|SSL_DES |SSL_SHA1|SSL_SSLV3,
393 SSL3_TXT_DH_RSA_DES_192_CBC3_SHA,
394 SSL3_CK_DH_RSA_DES_192_CBC3_SHA,
395 SSL_kDHr |SSL_aDH|SSL_3DES |SSL_SHA1|SSL_SSLV3,
396 SSL_NOT_EXP|SSL_HIGH,
404 /* The Ephemeral DH ciphers */
408 SSL3_TXT_EDH_DSS_DES_40_CBC_SHA,
409 SSL3_CK_EDH_DSS_DES_40_CBC_SHA,
410 SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA1|SSL_SSLV3,
411 SSL_EXPORT|SSL_EXP40,
421 SSL3_TXT_EDH_DSS_DES_64_CBC_SHA,
422 SSL3_CK_EDH_DSS_DES_64_CBC_SHA,
423 SSL_kEDH|SSL_aDSS|SSL_DES |SSL_SHA1|SSL_SSLV3,
434 SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA,
435 SSL3_CK_EDH_DSS_DES_192_CBC3_SHA,
436 SSL_kEDH|SSL_aDSS|SSL_3DES |SSL_SHA1|SSL_SSLV3,
437 SSL_NOT_EXP|SSL_HIGH,
447 SSL3_TXT_EDH_RSA_DES_40_CBC_SHA,
448 SSL3_CK_EDH_RSA_DES_40_CBC_SHA,
449 SSL_kEDH|SSL_aRSA|SSL_DES|SSL_SHA1|SSL_SSLV3,
450 SSL_EXPORT|SSL_EXP40,
460 SSL3_TXT_EDH_RSA_DES_64_CBC_SHA,
461 SSL3_CK_EDH_RSA_DES_64_CBC_SHA,
462 SSL_kEDH|SSL_aRSA|SSL_DES |SSL_SHA1|SSL_SSLV3,
473 SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA,
474 SSL3_CK_EDH_RSA_DES_192_CBC3_SHA,
475 SSL_kEDH|SSL_aRSA|SSL_3DES |SSL_SHA1|SSL_SSLV3,
476 SSL_NOT_EXP|SSL_HIGH,
488 SSL3_TXT_FZA_DMS_NULL_SHA,
489 SSL3_CK_FZA_DMS_NULL_SHA,
490 SSL_kFZA|SSL_aFZA |SSL_eNULL |SSL_SHA1|SSL_SSLV3,
502 SSL3_TXT_FZA_DMS_FZA_SHA,
503 SSL3_CK_FZA_DMS_FZA_SHA,
504 SSL_kFZA|SSL_aFZA |SSL_eFZA |SSL_SHA1|SSL_SSLV3,
516 SSL3_TXT_FZA_DMS_RC4_SHA,
517 SSL3_CK_FZA_DMS_RC4_SHA,
518 SSL_kFZA|SSL_aFZA |SSL_RC4 |SSL_SHA1|SSL_SSLV3,
527 #ifndef OPENSSL_NO_KRB5
528 /* The Kerberos ciphers
529 ** 20000107 VRS: And the first shall be last,
530 ** in hopes of avoiding the lynx ssl renegotiation problem.
535 SSL3_TXT_KRB5_DES_40_CBC_SHA,
536 SSL3_CK_KRB5_DES_40_CBC_SHA,
537 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_SHA1 |SSL_SSLV3,
538 SSL_EXPORT|SSL_EXP40,
549 SSL3_TXT_KRB5_DES_40_CBC_MD5,
550 SSL3_CK_KRB5_DES_40_CBC_MD5,
551 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_MD5 |SSL_SSLV3,
552 SSL_EXPORT|SSL_EXP40,
563 SSL3_TXT_KRB5_DES_64_CBC_SHA,
564 SSL3_CK_KRB5_DES_64_CBC_SHA,
565 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_SHA1 |SSL_SSLV3,
577 SSL3_TXT_KRB5_DES_64_CBC_MD5,
578 SSL3_CK_KRB5_DES_64_CBC_MD5,
579 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_MD5 |SSL_SSLV3,
591 SSL3_TXT_KRB5_DES_192_CBC3_SHA,
592 SSL3_CK_KRB5_DES_192_CBC3_SHA,
593 SSL_kKRB5|SSL_aKRB5| SSL_3DES|SSL_SHA1 |SSL_SSLV3,
594 SSL_NOT_EXP|SSL_HIGH,
605 SSL3_TXT_KRB5_DES_192_CBC3_MD5,
606 SSL3_CK_KRB5_DES_192_CBC3_MD5,
607 SSL_kKRB5|SSL_aKRB5| SSL_3DES|SSL_MD5 |SSL_SSLV3,
608 SSL_NOT_EXP|SSL_HIGH,
615 #endif /* OPENSSL_NO_KRB5 */
618 #if TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES
619 /* New TLS Export CipherSuites */
623 TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_MD5,
624 TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_MD5,
625 SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5|SSL_TLSV1,
626 SSL_EXPORT|SSL_EXP56,
636 TLS1_TXT_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
637 TLS1_CK_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
638 SSL_kRSA|SSL_aRSA|SSL_RC2|SSL_MD5|SSL_TLSV1,
639 SSL_EXPORT|SSL_EXP56,
649 TLS1_TXT_RSA_EXPORT1024_WITH_DES_CBC_SHA,
650 TLS1_CK_RSA_EXPORT1024_WITH_DES_CBC_SHA,
651 SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA|SSL_TLSV1,
652 SSL_EXPORT|SSL_EXP56,
662 TLS1_TXT_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
663 TLS1_CK_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
664 SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA|SSL_TLSV1,
665 SSL_EXPORT|SSL_EXP56,
675 TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_SHA,
676 TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_SHA,
677 SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_TLSV1,
678 SSL_EXPORT|SSL_EXP56,
688 TLS1_TXT_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
689 TLS1_CK_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
690 SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
691 SSL_EXPORT|SSL_EXP56,
701 TLS1_TXT_DHE_DSS_WITH_RC4_128_SHA,
702 TLS1_CK_DHE_DSS_WITH_RC4_128_SHA,
703 SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
712 /* New AES ciphersuites */
717 TLS1_TXT_RSA_WITH_AES_128_SHA,
718 TLS1_CK_RSA_WITH_AES_128_SHA,
719 SSL_kRSA|SSL_aRSA|SSL_AES|SSL_SHA |SSL_TLSV1,
720 SSL_NOT_EXP|SSL_MEDIUM,
730 TLS1_TXT_DH_DSS_WITH_AES_128_SHA,
731 TLS1_CK_DH_DSS_WITH_AES_128_SHA,
732 SSL_kDHd|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
733 SSL_NOT_EXP|SSL_MEDIUM,
743 TLS1_TXT_DH_RSA_WITH_AES_128_SHA,
744 TLS1_CK_DH_RSA_WITH_AES_128_SHA,
745 SSL_kDHr|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
746 SSL_NOT_EXP|SSL_MEDIUM,
756 TLS1_TXT_DHE_DSS_WITH_AES_128_SHA,
757 TLS1_CK_DHE_DSS_WITH_AES_128_SHA,
758 SSL_kEDH|SSL_aDSS|SSL_AES|SSL_SHA|SSL_TLSV1,
759 SSL_NOT_EXP|SSL_MEDIUM,
769 TLS1_TXT_DHE_RSA_WITH_AES_128_SHA,
770 TLS1_CK_DHE_RSA_WITH_AES_128_SHA,
771 SSL_kEDH|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1,
772 SSL_NOT_EXP|SSL_MEDIUM,
782 TLS1_TXT_ADH_WITH_AES_128_SHA,
783 TLS1_CK_ADH_WITH_AES_128_SHA,
784 SSL_kEDH|SSL_aNULL|SSL_AES|SSL_SHA|SSL_TLSV1,
785 SSL_NOT_EXP|SSL_MEDIUM,
796 TLS1_TXT_RSA_WITH_AES_256_SHA,
797 TLS1_CK_RSA_WITH_AES_256_SHA,
798 SSL_kRSA|SSL_aRSA|SSL_AES|SSL_SHA |SSL_TLSV1,
799 SSL_NOT_EXP|SSL_HIGH,
809 TLS1_TXT_DH_DSS_WITH_AES_256_SHA,
810 TLS1_CK_DH_DSS_WITH_AES_256_SHA,
811 SSL_kDHd|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
812 SSL_NOT_EXP|SSL_HIGH,
822 TLS1_TXT_DH_RSA_WITH_AES_256_SHA,
823 TLS1_CK_DH_RSA_WITH_AES_256_SHA,
824 SSL_kDHr|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
825 SSL_NOT_EXP|SSL_HIGH,
835 TLS1_TXT_DHE_DSS_WITH_AES_256_SHA,
836 TLS1_CK_DHE_DSS_WITH_AES_256_SHA,
837 SSL_kEDH|SSL_aDSS|SSL_AES|SSL_SHA|SSL_TLSV1,
838 SSL_NOT_EXP|SSL_HIGH,
848 TLS1_TXT_DHE_RSA_WITH_AES_256_SHA,
849 TLS1_CK_DHE_RSA_WITH_AES_256_SHA,
850 SSL_kEDH|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1,
851 SSL_NOT_EXP|SSL_HIGH,
861 TLS1_TXT_ADH_WITH_AES_256_SHA,
862 TLS1_CK_ADH_WITH_AES_256_SHA,
863 SSL_kEDH|SSL_aNULL|SSL_AES|SSL_SHA|SSL_TLSV1,
864 SSL_NOT_EXP|SSL_HIGH,
875 static SSL3_ENC_METHOD SSLv3_enc_data={
878 ssl3_setup_key_block,
879 ssl3_generate_master_secret,
880 ssl3_change_cipher_state,
881 ssl3_final_finish_mac,
882 MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH,
883 ssl3_cert_verify_mac,
884 SSL3_MD_CLIENT_FINISHED_CONST,4,
885 SSL3_MD_SERVER_FINISHED_CONST,4,
889 static SSL_METHOD SSLv3_data= {
894 ssl_undefined_function,
895 ssl_undefined_function,
901 ssl3_renegotiate_check,
904 ssl3_get_cipher_by_char,
905 ssl3_put_cipher_by_char,
910 ssl3_default_timeout,
912 ssl_undefined_function,
914 ssl3_ctx_callback_ctrl,
917 static long ssl3_default_timeout(void)
919 /* 2 hours, the 24 hours mentioned in the SSLv3 spec
920 * is way too long for http, the cache would over fill */
924 SSL_METHOD *sslv3_base_method(void)
929 int ssl3_num_ciphers(void)
931 return(SSL3_NUM_CIPHERS);
934 SSL_CIPHER *ssl3_get_cipher(unsigned int u)
936 if (u < SSL3_NUM_CIPHERS)
937 return(&(ssl3_ciphers[SSL3_NUM_CIPHERS-1-u]));
942 int ssl3_pending(SSL *s)
944 return (s->s3->rrec.type == SSL3_RT_APPLICATION_DATA) ? s->s3->rrec.length : 0;
951 if ((s3=OPENSSL_malloc(sizeof *s3)) == NULL) goto err;
952 memset(s3,0,sizeof *s3);
956 s->method->ssl_clear(s);
962 void ssl3_free(SSL *s)
967 ssl3_cleanup_key_block(s);
968 if (s->s3->rbuf.buf != NULL)
969 OPENSSL_free(s->s3->rbuf.buf);
970 if (s->s3->wbuf.buf != NULL)
971 OPENSSL_free(s->s3->wbuf.buf);
972 if (s->s3->rrec.comp != NULL)
973 OPENSSL_free(s->s3->rrec.comp);
974 #ifndef OPENSSL_NO_DH
975 if (s->s3->tmp.dh != NULL)
976 DH_free(s->s3->tmp.dh);
978 if (s->s3->tmp.ca_names != NULL)
979 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
980 memset(s->s3,0,sizeof *s->s3);
985 void ssl3_clear(SSL *s)
987 unsigned char *rp,*wp;
989 ssl3_cleanup_key_block(s);
990 if (s->s3->tmp.ca_names != NULL)
991 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
993 if (s->s3->rrec.comp != NULL)
995 OPENSSL_free(s->s3->rrec.comp);
996 s->s3->rrec.comp=NULL;
998 #ifndef OPENSSL_NO_DH
999 if (s->s3->tmp.dh != NULL)
1000 DH_free(s->s3->tmp.dh);
1006 memset(s->s3,0,sizeof *s->s3);
1007 if (rp != NULL) s->s3->rbuf.buf=rp;
1008 if (wp != NULL) s->s3->wbuf.buf=wp;
1010 ssl_free_wbio_buffer(s);
1013 s->s3->renegotiate=0;
1014 s->s3->total_renegotiations=0;
1015 s->s3->num_renegotiations=0;
1016 s->s3->in_read_app_data=0;
1017 s->version=SSL3_VERSION;
1020 long ssl3_ctrl(SSL *s, int cmd, long larg, char *parg)
1024 #if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_RSA)
1026 #ifndef OPENSSL_NO_RSA
1027 cmd == SSL_CTRL_SET_TMP_RSA ||
1028 cmd == SSL_CTRL_SET_TMP_RSA_CB ||
1030 #ifndef OPENSSL_NO_DSA
1031 cmd == SSL_CTRL_SET_TMP_DH ||
1032 cmd == SSL_CTRL_SET_TMP_DH_CB ||
1036 if (!ssl_cert_inst(&s->cert))
1038 SSLerr(SSL_F_SSL3_CTRL, ERR_R_MALLOC_FAILURE);
1046 case SSL_CTRL_GET_SESSION_REUSED:
1049 case SSL_CTRL_GET_CLIENT_CERT_REQUEST:
1051 case SSL_CTRL_GET_NUM_RENEGOTIATIONS:
1052 ret=s->s3->num_renegotiations;
1054 case SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS:
1055 ret=s->s3->num_renegotiations;
1056 s->s3->num_renegotiations=0;
1058 case SSL_CTRL_GET_TOTAL_RENEGOTIATIONS:
1059 ret=s->s3->total_renegotiations;
1061 case SSL_CTRL_GET_FLAGS:
1062 ret=(int)(s->s3->flags);
1064 #ifndef OPENSSL_NO_RSA
1065 case SSL_CTRL_NEED_TMP_RSA:
1066 if ((s->cert != NULL) && (s->cert->rsa_tmp == NULL) &&
1067 ((s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
1068 (EVP_PKEY_size(s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8))))
1071 case SSL_CTRL_SET_TMP_RSA:
1073 RSA *rsa = (RSA *)parg;
1076 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
1079 if ((rsa = RSAPrivateKey_dup(rsa)) == NULL)
1081 SSLerr(SSL_F_SSL3_CTRL, ERR_R_RSA_LIB);
1084 if (s->cert->rsa_tmp != NULL)
1085 RSA_free(s->cert->rsa_tmp);
1086 s->cert->rsa_tmp = rsa;
1090 case SSL_CTRL_SET_TMP_RSA_CB:
1092 SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1097 #ifndef OPENSSL_NO_DH
1098 case SSL_CTRL_SET_TMP_DH:
1100 DH *dh = (DH *)parg;
1103 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
1106 if ((dh = DHparams_dup(dh)) == NULL)
1108 SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
1111 if (!(s->options & SSL_OP_SINGLE_DH_USE))
1113 if (!DH_generate_key(dh))
1116 SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
1120 if (s->cert->dh_tmp != NULL)
1121 DH_free(s->cert->dh_tmp);
1122 s->cert->dh_tmp = dh;
1126 case SSL_CTRL_SET_TMP_DH_CB:
1128 SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1139 long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp)())
1143 #if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_RSA)
1145 #ifndef OPENSSL_NO_RSA
1146 cmd == SSL_CTRL_SET_TMP_RSA_CB ||
1148 #ifndef OPENSSL_NO_DSA
1149 cmd == SSL_CTRL_SET_TMP_DH_CB ||
1153 if (!ssl_cert_inst(&s->cert))
1155 SSLerr(SSL_F_SSL3_CALLBACK_CTRL, ERR_R_MALLOC_FAILURE);
1163 #ifndef OPENSSL_NO_RSA
1164 case SSL_CTRL_SET_TMP_RSA_CB:
1166 s->cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))fp;
1170 #ifndef OPENSSL_NO_DH
1171 case SSL_CTRL_SET_TMP_DH_CB:
1173 s->cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
1183 long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, char *parg)
1191 #ifndef OPENSSL_NO_RSA
1192 case SSL_CTRL_NEED_TMP_RSA:
1193 if ( (cert->rsa_tmp == NULL) &&
1194 ((cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
1195 (EVP_PKEY_size(cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8)))
1201 case SSL_CTRL_SET_TMP_RSA:
1212 if ((rsa=RSAPrivateKey_dup(rsa)) == NULL)
1217 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_RSA_LIB);
1222 if (cert->rsa_tmp != NULL)
1223 RSA_free(cert->rsa_tmp);
1229 case SSL_CTRL_SET_TMP_RSA_CB:
1231 SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1236 #ifndef OPENSSL_NO_DH
1237 case SSL_CTRL_SET_TMP_DH:
1242 if ((new=DHparams_dup(dh)) == NULL)
1244 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
1247 if (!(ctx->options & SSL_OP_SINGLE_DH_USE))
1249 if (!DH_generate_key(new))
1251 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
1256 if (cert->dh_tmp != NULL)
1257 DH_free(cert->dh_tmp);
1262 case SSL_CTRL_SET_TMP_DH_CB:
1264 SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1269 /* A Thawte special :-) */
1270 case SSL_CTRL_EXTRA_CHAIN_CERT:
1271 if (ctx->extra_certs == NULL)
1273 if ((ctx->extra_certs=sk_X509_new_null()) == NULL)
1276 sk_X509_push(ctx->extra_certs,(X509 *)parg);
1285 long ssl3_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)())
1293 #ifndef OPENSSL_NO_RSA
1294 case SSL_CTRL_SET_TMP_RSA_CB:
1296 cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))fp;
1300 #ifndef OPENSSL_NO_DH
1301 case SSL_CTRL_SET_TMP_DH_CB:
1303 cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
1313 /* This function needs to check if the ciphers required are actually
1315 SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p)
1318 static SSL_CIPHER *sorted[SSL3_NUM_CIPHERS];
1319 SSL_CIPHER c,*cp= &c,**cpp;
1325 CRYPTO_w_lock(CRYPTO_LOCK_SSL);
1327 for (i=0; i<SSL3_NUM_CIPHERS; i++)
1328 sorted[i]= &(ssl3_ciphers[i]);
1330 qsort( (char *)sorted,
1331 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
1332 FP_ICC ssl_cipher_ptr_id_cmp);
1334 CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
1339 id=0x03000000L|((unsigned long)p[0]<<8L)|(unsigned long)p[1];
1341 cpp=(SSL_CIPHER **)OBJ_bsearch((char *)&cp,
1343 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
1344 FP_ICC ssl_cipher_ptr_id_cmp);
1345 if ((cpp == NULL) || !(*cpp)->valid)
1351 int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p)
1358 if ((l & 0xff000000) != 0x03000000) return(0);
1359 p[0]=((unsigned char)(l>> 8L))&0xFF;
1360 p[1]=((unsigned char)(l ))&0xFF;
1365 SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt,
1366 STACK_OF(SSL_CIPHER) *srvr)
1368 SSL_CIPHER *c,*ret=NULL;
1369 STACK_OF(SSL_CIPHER) *prio, *allow;
1372 unsigned long alg,mask,emask;
1374 /* Let's see which ciphers we can support */
1378 /* Do not set the compare functions, because this may lead to a
1379 * reordering by "id". We want to keep the original ordering.
1380 * We may pay a price in performance during sk_SSL_CIPHER_find(),
1381 * but would have to pay with the price of sk_SSL_CIPHER_dup().
1383 sk_SSL_CIPHER_set_cmp_func(srvr, ssl_cipher_ptr_id_cmp);
1384 sk_SSL_CIPHER_set_cmp_func(clnt, ssl_cipher_ptr_id_cmp);
1388 printf("Server has %d from %p:\n", sk_SSL_CIPHER_num(srvr), srvr);
1389 for(i=0 ; i < sk_SSL_CIPHER_num(srvr) ; ++i)
1391 c=sk_SSL_CIPHER_value(srvr,i);
1392 printf("%p:%s\n",c,c->name);
1394 printf("Client sent %d from %p:\n", sk_SSL_CIPHER_num(clnt), clnt);
1395 for(i=0 ; i < sk_SSL_CIPHER_num(clnt) ; ++i)
1397 c=sk_SSL_CIPHER_value(clnt,i);
1398 printf("%p:%s\n",c,c->name);
1402 if (s->options & SSL_OP_CIPHER_SERVER_PREFERENCE)
1413 for (i=0; i<sk_SSL_CIPHER_num(prio); i++)
1415 c=sk_SSL_CIPHER_value(prio,i);
1417 ssl_set_cert_masks(cert,c);
1419 emask=cert->export_mask;
1422 printf("ssl3_choose_cipher %d alg= %lx\n", i,c->algorithms);
1423 #endif /* KSSL_DEBUG */
1425 alg=c->algorithms&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1426 #ifndef OPENSSL_NO_KRB5
1429 if ( !kssl_keytab_is_available(s->kssl_ctx) )
1432 #endif /* OPENSSL_NO_KRB5 */
1433 if (SSL_C_IS_EXPORT(c))
1435 ok=((alg & emask) == alg)?1:0;
1437 printf("%d:[%08lX:%08lX]%p:%s (export)\n",ok,alg,emask,
1443 ok=((alg & mask) == alg)?1:0;
1445 printf("%d:[%08lX:%08lX]%p:%s\n",ok,alg,mask,c,
1452 j=sk_SSL_CIPHER_find(allow,c);
1455 ret=sk_SSL_CIPHER_value(allow,j);
1462 int ssl3_get_req_cert_type(SSL *s, unsigned char *p)
1467 alg=s->s3->tmp.new_cipher->algorithms;
1469 #ifndef OPENSSL_NO_DH
1470 if (alg & (SSL_kDHr|SSL_kEDH))
1472 # ifndef OPENSSL_NO_RSA
1473 p[ret++]=SSL3_CT_RSA_FIXED_DH;
1475 # ifndef OPENSSL_NO_DSA
1476 p[ret++]=SSL3_CT_DSS_FIXED_DH;
1479 if ((s->version == SSL3_VERSION) &&
1480 (alg & (SSL_kEDH|SSL_kDHd|SSL_kDHr)))
1482 # ifndef OPENSSL_NO_RSA
1483 p[ret++]=SSL3_CT_RSA_EPHEMERAL_DH;
1485 # ifndef OPENSSL_NO_DSA
1486 p[ret++]=SSL3_CT_DSS_EPHEMERAL_DH;
1489 #endif /* !OPENSSL_NO_DH */
1490 #ifndef OPENSSL_NO_RSA
1491 p[ret++]=SSL3_CT_RSA_SIGN;
1493 #ifndef OPENSSL_NO_DSA
1494 p[ret++]=SSL3_CT_DSS_SIGN;
1499 int ssl3_shutdown(SSL *s)
1502 /* Don't do anything much if we have not done the handshake or
1503 * we don't want to send messages :-) */
1504 if ((s->quiet_shutdown) || (s->state == SSL_ST_BEFORE))
1506 s->shutdown=(SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1510 if (!(s->shutdown & SSL_SENT_SHUTDOWN))
1512 s->shutdown|=SSL_SENT_SHUTDOWN;
1514 ssl3_send_alert(s,SSL3_AL_WARNING,SSL_AD_CLOSE_NOTIFY);
1516 /* our shutdown alert has been sent now, and if it still needs
1517 * to be written, s->s3->alert_dispatch will be true */
1519 else if (s->s3->alert_dispatch)
1521 /* resend it if not sent */
1523 ssl3_dispatch_alert(s);
1526 else if (!(s->shutdown & SSL_RECEIVED_SHUTDOWN))
1528 /* If we are waiting for a close from our peer, we are closed */
1529 ssl3_read_bytes(s,0,NULL,0,0);
1532 if ((s->shutdown == (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN)) &&
1533 !s->s3->alert_dispatch)
1539 int ssl3_write(SSL *s, const void *buf, int len)
1544 if (s->shutdown & SSL_SEND_SHUTDOWN)
1546 s->rwstate=SSL_NOTHING;
1551 if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1553 /* This is an experimental flag that sends the
1554 * last handshake message in the same packet as the first
1555 * use data - used to see if it helps the TCP protocol during
1556 * session-id reuse */
1557 /* The second test is because the buffer may have been removed */
1558 if ((s->s3->flags & SSL3_FLAGS_POP_BUFFER) && (s->wbio == s->bbio))
1560 /* First time through, we write into the buffer */
1561 if (s->s3->delay_buf_pop_ret == 0)
1563 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1565 if (ret <= 0) return(ret);
1567 s->s3->delay_buf_pop_ret=ret;
1570 s->rwstate=SSL_WRITING;
1571 n=BIO_flush(s->wbio);
1572 if (n <= 0) return(n);
1573 s->rwstate=SSL_NOTHING;
1575 /* We have flushed the buffer, so remove it */
1576 ssl_free_wbio_buffer(s);
1577 s->s3->flags&= ~SSL3_FLAGS_POP_BUFFER;
1579 ret=s->s3->delay_buf_pop_ret;
1580 s->s3->delay_buf_pop_ret=0;
1584 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1586 if (ret <= 0) return(ret);
1592 static int ssl3_read_internal(SSL *s, void *buf, int len, int peek)
1597 if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1598 s->s3->in_read_app_data=1;
1599 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len,peek);
1600 if ((ret == -1) && (s->s3->in_read_app_data == 0))
1602 /* ssl3_read_bytes decided to call s->handshake_func, which
1603 * called ssl3_read_bytes to read handshake data.
1604 * However, ssl3_read_bytes actually found application data
1605 * and thinks that application data makes sense here (signalled
1606 * by resetting 'in_read_app_data', strangely); so disable
1607 * handshake processing and try to read application data again. */
1609 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len,peek);
1613 s->s3->in_read_app_data=0;
1618 int ssl3_read(SSL *s, void *buf, int len)
1620 return ssl3_read_internal(s, buf, len, 0);
1623 int ssl3_peek(SSL *s, void *buf, int len)
1625 return ssl3_read_internal(s, buf, len, 1);
1628 int ssl3_renegotiate(SSL *s)
1630 if (s->handshake_func == NULL)
1633 if (s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS)
1636 s->s3->renegotiate=1;
1640 int ssl3_renegotiate_check(SSL *s)
1644 if (s->s3->renegotiate)
1646 if ( (s->s3->rbuf.left == 0) &&
1647 (s->s3->wbuf.left == 0) &&
1651 if we are the server, and we have sent a 'RENEGOTIATE' message, we
1652 need to go to SSL_ST_ACCEPT.
1655 s->state=SSL_ST_RENEGOTIATE;
1656 s->s3->renegotiate=0;
1657 s->s3->num_renegotiations++;
1658 s->s3->total_renegotiations++;