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) 1998-2002 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"
115 #include "kssl_lcl.h"
116 #include <openssl/md5.h>
118 const char *ssl3_version_str="SSLv3" OPENSSL_VERSION_PTEXT;
120 #define SSL3_NUM_CIPHERS (sizeof(ssl3_ciphers)/sizeof(SSL_CIPHER))
122 static long ssl3_default_timeout(void );
124 OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
125 /* The RSA ciphers */
129 SSL3_TXT_RSA_NULL_MD5,
130 SSL3_CK_RSA_NULL_MD5,
131 SSL_kRSA|SSL_aRSA|SSL_eNULL |SSL_MD5|SSL_SSLV3,
132 SSL_NOT_EXP|SSL_STRONG_NONE,
142 SSL3_TXT_RSA_NULL_SHA,
143 SSL3_CK_RSA_NULL_SHA,
144 SSL_kRSA|SSL_aRSA|SSL_eNULL |SSL_SHA1|SSL_SSLV3,
145 SSL_NOT_EXP|SSL_STRONG_NONE|SSL_FIPS,
157 SSL3_TXT_ADH_RC4_40_MD5,
158 SSL3_CK_ADH_RC4_40_MD5,
159 SSL_kEDH |SSL_aNULL|SSL_RC4 |SSL_MD5 |SSL_SSLV3,
160 SSL_EXPORT|SSL_EXP40,
170 SSL3_TXT_ADH_RC4_128_MD5,
171 SSL3_CK_ADH_RC4_128_MD5,
172 SSL_kEDH |SSL_aNULL|SSL_RC4 |SSL_MD5 |SSL_SSLV3,
173 SSL_NOT_EXP|SSL_MEDIUM,
183 SSL3_TXT_ADH_DES_40_CBC_SHA,
184 SSL3_CK_ADH_DES_40_CBC_SHA,
185 SSL_kEDH |SSL_aNULL|SSL_DES|SSL_SHA1|SSL_SSLV3,
186 SSL_EXPORT|SSL_EXP40|SSL_FIPS,
196 SSL3_TXT_ADH_DES_64_CBC_SHA,
197 SSL3_CK_ADH_DES_64_CBC_SHA,
198 SSL_kEDH |SSL_aNULL|SSL_DES |SSL_SHA1|SSL_SSLV3,
199 SSL_NOT_EXP|SSL_LOW|SSL_FIPS,
209 SSL3_TXT_ADH_DES_192_CBC_SHA,
210 SSL3_CK_ADH_DES_192_CBC_SHA,
211 SSL_kEDH |SSL_aNULL|SSL_3DES |SSL_SHA1|SSL_SSLV3,
212 SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
224 SSL3_TXT_RSA_RC4_40_MD5,
225 SSL3_CK_RSA_RC4_40_MD5,
226 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_MD5 |SSL_SSLV3,
227 SSL_EXPORT|SSL_EXP40,
237 SSL3_TXT_RSA_RC4_128_MD5,
238 SSL3_CK_RSA_RC4_128_MD5,
239 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_MD5|SSL_SSLV3,
240 SSL_NOT_EXP|SSL_MEDIUM,
250 SSL3_TXT_RSA_RC4_128_SHA,
251 SSL3_CK_RSA_RC4_128_SHA,
252 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_SHA1|SSL_SSLV3,
253 SSL_NOT_EXP|SSL_MEDIUM,
263 SSL3_TXT_RSA_RC2_40_MD5,
264 SSL3_CK_RSA_RC2_40_MD5,
265 SSL_kRSA|SSL_aRSA|SSL_RC2 |SSL_MD5 |SSL_SSLV3,
266 SSL_EXPORT|SSL_EXP40,
274 #ifndef OPENSSL_NO_IDEA
277 SSL3_TXT_RSA_IDEA_128_SHA,
278 SSL3_CK_RSA_IDEA_128_SHA,
279 SSL_kRSA|SSL_aRSA|SSL_IDEA |SSL_SHA1|SSL_SSLV3,
280 SSL_NOT_EXP|SSL_MEDIUM,
291 SSL3_TXT_RSA_DES_40_CBC_SHA,
292 SSL3_CK_RSA_DES_40_CBC_SHA,
293 SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA1|SSL_SSLV3,
294 SSL_EXPORT|SSL_EXP40|SSL_FIPS,
304 SSL3_TXT_RSA_DES_64_CBC_SHA,
305 SSL3_CK_RSA_DES_64_CBC_SHA,
306 SSL_kRSA|SSL_aRSA|SSL_DES |SSL_SHA1|SSL_SSLV3,
307 SSL_NOT_EXP|SSL_LOW|SSL_FIPS,
317 SSL3_TXT_RSA_DES_192_CBC3_SHA,
318 SSL3_CK_RSA_DES_192_CBC3_SHA,
319 SSL_kRSA|SSL_aRSA|SSL_3DES |SSL_SHA1|SSL_SSLV3,
320 SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
332 SSL3_TXT_DH_DSS_DES_40_CBC_SHA,
333 SSL3_CK_DH_DSS_DES_40_CBC_SHA,
334 SSL_kDHd |SSL_aDH|SSL_DES|SSL_SHA1|SSL_SSLV3,
335 SSL_EXPORT|SSL_EXP40|SSL_FIPS,
345 SSL3_TXT_DH_DSS_DES_64_CBC_SHA,
346 SSL3_CK_DH_DSS_DES_64_CBC_SHA,
347 SSL_kDHd |SSL_aDH|SSL_DES |SSL_SHA1|SSL_SSLV3,
348 SSL_NOT_EXP|SSL_LOW|SSL_FIPS,
358 SSL3_TXT_DH_DSS_DES_192_CBC3_SHA,
359 SSL3_CK_DH_DSS_DES_192_CBC3_SHA,
360 SSL_kDHd |SSL_aDH|SSL_3DES |SSL_SHA1|SSL_SSLV3,
361 SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
371 SSL3_TXT_DH_RSA_DES_40_CBC_SHA,
372 SSL3_CK_DH_RSA_DES_40_CBC_SHA,
373 SSL_kDHr |SSL_aDH|SSL_DES|SSL_SHA1|SSL_SSLV3,
374 SSL_EXPORT|SSL_EXP40|SSL_FIPS,
384 SSL3_TXT_DH_RSA_DES_64_CBC_SHA,
385 SSL3_CK_DH_RSA_DES_64_CBC_SHA,
386 SSL_kDHr |SSL_aDH|SSL_DES |SSL_SHA1|SSL_SSLV3,
387 SSL_NOT_EXP|SSL_LOW|SSL_FIPS,
397 SSL3_TXT_DH_RSA_DES_192_CBC3_SHA,
398 SSL3_CK_DH_RSA_DES_192_CBC3_SHA,
399 SSL_kDHr |SSL_aDH|SSL_3DES |SSL_SHA1|SSL_SSLV3,
400 SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
408 /* The Ephemeral DH ciphers */
412 SSL3_TXT_EDH_DSS_DES_40_CBC_SHA,
413 SSL3_CK_EDH_DSS_DES_40_CBC_SHA,
414 SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA1|SSL_SSLV3,
415 SSL_EXPORT|SSL_EXP40|SSL_FIPS,
425 SSL3_TXT_EDH_DSS_DES_64_CBC_SHA,
426 SSL3_CK_EDH_DSS_DES_64_CBC_SHA,
427 SSL_kEDH|SSL_aDSS|SSL_DES |SSL_SHA1|SSL_SSLV3,
428 SSL_NOT_EXP|SSL_LOW|SSL_FIPS,
438 SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA,
439 SSL3_CK_EDH_DSS_DES_192_CBC3_SHA,
440 SSL_kEDH|SSL_aDSS|SSL_3DES |SSL_SHA1|SSL_SSLV3,
441 SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
451 SSL3_TXT_EDH_RSA_DES_40_CBC_SHA,
452 SSL3_CK_EDH_RSA_DES_40_CBC_SHA,
453 SSL_kEDH|SSL_aRSA|SSL_DES|SSL_SHA1|SSL_SSLV3,
454 SSL_EXPORT|SSL_EXP40|SSL_FIPS,
464 SSL3_TXT_EDH_RSA_DES_64_CBC_SHA,
465 SSL3_CK_EDH_RSA_DES_64_CBC_SHA,
466 SSL_kEDH|SSL_aRSA|SSL_DES |SSL_SHA1|SSL_SSLV3,
467 SSL_NOT_EXP|SSL_LOW|SSL_FIPS,
477 SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA,
478 SSL3_CK_EDH_RSA_DES_192_CBC3_SHA,
479 SSL_kEDH|SSL_aRSA|SSL_3DES |SSL_SHA1|SSL_SSLV3,
480 SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
492 SSL3_TXT_FZA_DMS_NULL_SHA,
493 SSL3_CK_FZA_DMS_NULL_SHA,
494 SSL_kFZA|SSL_aFZA |SSL_eNULL |SSL_SHA1|SSL_SSLV3,
495 SSL_NOT_EXP|SSL_STRONG_NONE,
506 SSL3_TXT_FZA_DMS_FZA_SHA,
507 SSL3_CK_FZA_DMS_FZA_SHA,
508 SSL_kFZA|SSL_aFZA |SSL_eFZA |SSL_SHA1|SSL_SSLV3,
509 SSL_NOT_EXP|SSL_STRONG_NONE,
521 SSL3_TXT_FZA_DMS_RC4_SHA,
522 SSL3_CK_FZA_DMS_RC4_SHA,
523 SSL_kFZA|SSL_aFZA |SSL_RC4 |SSL_SHA1|SSL_SSLV3,
524 SSL_NOT_EXP|SSL_MEDIUM,
533 #ifndef OPENSSL_NO_KRB5
534 /* The Kerberos ciphers
535 ** 20000107 VRS: And the first shall be last,
536 ** in hopes of avoiding the lynx ssl renegotiation problem.
541 SSL3_TXT_KRB5_DES_64_CBC_SHA,
542 SSL3_CK_KRB5_DES_64_CBC_SHA,
543 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_SHA1 |SSL_SSLV3,
555 SSL3_TXT_KRB5_DES_192_CBC3_SHA,
556 SSL3_CK_KRB5_DES_192_CBC3_SHA,
557 SSL_kKRB5|SSL_aKRB5| SSL_3DES|SSL_SHA1 |SSL_SSLV3,
558 SSL_NOT_EXP|SSL_HIGH,
569 SSL3_TXT_KRB5_RC4_128_SHA,
570 SSL3_CK_KRB5_RC4_128_SHA,
571 SSL_kKRB5|SSL_aKRB5| SSL_RC4|SSL_SHA1 |SSL_SSLV3,
572 SSL_NOT_EXP|SSL_MEDIUM,
583 SSL3_TXT_KRB5_IDEA_128_CBC_SHA,
584 SSL3_CK_KRB5_IDEA_128_CBC_SHA,
585 SSL_kKRB5|SSL_aKRB5| SSL_IDEA|SSL_SHA1 |SSL_SSLV3,
586 SSL_NOT_EXP|SSL_MEDIUM,
597 SSL3_TXT_KRB5_DES_64_CBC_MD5,
598 SSL3_CK_KRB5_DES_64_CBC_MD5,
599 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_MD5 |SSL_SSLV3,
611 SSL3_TXT_KRB5_DES_192_CBC3_MD5,
612 SSL3_CK_KRB5_DES_192_CBC3_MD5,
613 SSL_kKRB5|SSL_aKRB5| SSL_3DES|SSL_MD5 |SSL_SSLV3,
614 SSL_NOT_EXP|SSL_HIGH,
625 SSL3_TXT_KRB5_RC4_128_MD5,
626 SSL3_CK_KRB5_RC4_128_MD5,
627 SSL_kKRB5|SSL_aKRB5| SSL_RC4|SSL_MD5 |SSL_SSLV3,
628 SSL_NOT_EXP|SSL_MEDIUM,
639 SSL3_TXT_KRB5_IDEA_128_CBC_MD5,
640 SSL3_CK_KRB5_IDEA_128_CBC_MD5,
641 SSL_kKRB5|SSL_aKRB5| SSL_IDEA|SSL_MD5 |SSL_SSLV3,
642 SSL_NOT_EXP|SSL_MEDIUM,
653 SSL3_TXT_KRB5_DES_40_CBC_SHA,
654 SSL3_CK_KRB5_DES_40_CBC_SHA,
655 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_SHA1 |SSL_SSLV3,
656 SSL_EXPORT|SSL_EXP40,
667 SSL3_TXT_KRB5_RC2_40_CBC_SHA,
668 SSL3_CK_KRB5_RC2_40_CBC_SHA,
669 SSL_kKRB5|SSL_aKRB5| SSL_RC2|SSL_SHA1 |SSL_SSLV3,
670 SSL_EXPORT|SSL_EXP40,
681 SSL3_TXT_KRB5_RC4_40_SHA,
682 SSL3_CK_KRB5_RC4_40_SHA,
683 SSL_kKRB5|SSL_aKRB5| SSL_RC4|SSL_SHA1 |SSL_SSLV3,
684 SSL_EXPORT|SSL_EXP40,
695 SSL3_TXT_KRB5_DES_40_CBC_MD5,
696 SSL3_CK_KRB5_DES_40_CBC_MD5,
697 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_MD5 |SSL_SSLV3,
698 SSL_EXPORT|SSL_EXP40,
709 SSL3_TXT_KRB5_RC2_40_CBC_MD5,
710 SSL3_CK_KRB5_RC2_40_CBC_MD5,
711 SSL_kKRB5|SSL_aKRB5| SSL_RC2|SSL_MD5 |SSL_SSLV3,
712 SSL_EXPORT|SSL_EXP40,
723 SSL3_TXT_KRB5_RC4_40_MD5,
724 SSL3_CK_KRB5_RC4_40_MD5,
725 SSL_kKRB5|SSL_aKRB5| SSL_RC4|SSL_MD5 |SSL_SSLV3,
726 SSL_EXPORT|SSL_EXP40,
733 #endif /* OPENSSL_NO_KRB5 */
736 #if TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES
737 /* New TLS Export CipherSuites */
741 TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_MD5,
742 TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_MD5,
743 SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5|SSL_TLSV1,
744 SSL_EXPORT|SSL_EXP56,
754 TLS1_TXT_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
755 TLS1_CK_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
756 SSL_kRSA|SSL_aRSA|SSL_RC2|SSL_MD5|SSL_TLSV1,
757 SSL_EXPORT|SSL_EXP56,
767 TLS1_TXT_RSA_EXPORT1024_WITH_DES_CBC_SHA,
768 TLS1_CK_RSA_EXPORT1024_WITH_DES_CBC_SHA,
769 SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA|SSL_TLSV1,
770 SSL_EXPORT|SSL_EXP56|SSL_FIPS,
780 TLS1_TXT_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
781 TLS1_CK_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
782 SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA|SSL_TLSV1,
783 SSL_EXPORT|SSL_EXP56|SSL_FIPS,
793 TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_SHA,
794 TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_SHA,
795 SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_TLSV1,
796 SSL_EXPORT|SSL_EXP56,
806 TLS1_TXT_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
807 TLS1_CK_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
808 SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
809 SSL_EXPORT|SSL_EXP56,
819 TLS1_TXT_DHE_DSS_WITH_RC4_128_SHA,
820 TLS1_CK_DHE_DSS_WITH_RC4_128_SHA,
821 SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
822 SSL_NOT_EXP|SSL_MEDIUM,
830 /* New AES ciphersuites */
835 TLS1_TXT_RSA_WITH_AES_128_SHA,
836 TLS1_CK_RSA_WITH_AES_128_SHA,
837 SSL_kRSA|SSL_aRSA|SSL_AES|SSL_SHA |SSL_TLSV1,
838 SSL_NOT_EXP|SSL_MEDIUM|SSL_FIPS,
848 TLS1_TXT_DH_DSS_WITH_AES_128_SHA,
849 TLS1_CK_DH_DSS_WITH_AES_128_SHA,
850 SSL_kDHd|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
851 SSL_NOT_EXP|SSL_MEDIUM|SSL_FIPS,
861 TLS1_TXT_DH_RSA_WITH_AES_128_SHA,
862 TLS1_CK_DH_RSA_WITH_AES_128_SHA,
863 SSL_kDHr|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
864 SSL_NOT_EXP|SSL_MEDIUM|SSL_FIPS,
874 TLS1_TXT_DHE_DSS_WITH_AES_128_SHA,
875 TLS1_CK_DHE_DSS_WITH_AES_128_SHA,
876 SSL_kEDH|SSL_aDSS|SSL_AES|SSL_SHA|SSL_TLSV1,
877 SSL_NOT_EXP|SSL_MEDIUM|SSL_FIPS,
887 TLS1_TXT_DHE_RSA_WITH_AES_128_SHA,
888 TLS1_CK_DHE_RSA_WITH_AES_128_SHA,
889 SSL_kEDH|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1,
890 SSL_NOT_EXP|SSL_MEDIUM|SSL_FIPS,
900 TLS1_TXT_ADH_WITH_AES_128_SHA,
901 TLS1_CK_ADH_WITH_AES_128_SHA,
902 SSL_kEDH|SSL_aNULL|SSL_AES|SSL_SHA|SSL_TLSV1,
903 SSL_NOT_EXP|SSL_MEDIUM|SSL_FIPS,
914 TLS1_TXT_RSA_WITH_AES_256_SHA,
915 TLS1_CK_RSA_WITH_AES_256_SHA,
916 SSL_kRSA|SSL_aRSA|SSL_AES|SSL_SHA |SSL_TLSV1,
917 SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
927 TLS1_TXT_DH_DSS_WITH_AES_256_SHA,
928 TLS1_CK_DH_DSS_WITH_AES_256_SHA,
929 SSL_kDHd|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
930 SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
940 TLS1_TXT_DH_RSA_WITH_AES_256_SHA,
941 TLS1_CK_DH_RSA_WITH_AES_256_SHA,
942 SSL_kDHr|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
943 SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
953 TLS1_TXT_DHE_DSS_WITH_AES_256_SHA,
954 TLS1_CK_DHE_DSS_WITH_AES_256_SHA,
955 SSL_kEDH|SSL_aDSS|SSL_AES|SSL_SHA|SSL_TLSV1,
956 SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
966 TLS1_TXT_DHE_RSA_WITH_AES_256_SHA,
967 TLS1_CK_DHE_RSA_WITH_AES_256_SHA,
968 SSL_kEDH|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1,
969 SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
979 TLS1_TXT_ADH_WITH_AES_256_SHA,
980 TLS1_CK_ADH_WITH_AES_256_SHA,
981 SSL_kEDH|SSL_aNULL|SSL_AES|SSL_SHA|SSL_TLSV1,
982 SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
993 static SSL3_ENC_METHOD SSLv3_enc_data={
996 ssl3_setup_key_block,
997 ssl3_generate_master_secret,
998 ssl3_change_cipher_state,
999 ssl3_final_finish_mac,
1000 MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH,
1001 ssl3_cert_verify_mac,
1002 SSL3_MD_CLIENT_FINISHED_CONST,4,
1003 SSL3_MD_SERVER_FINISHED_CONST,4,
1007 static SSL_METHOD SSLv3_data= {
1012 ssl_undefined_function,
1013 ssl_undefined_function,
1019 ssl3_renegotiate_check,
1022 ssl3_get_cipher_by_char,
1023 ssl3_put_cipher_by_char,
1028 ssl3_default_timeout,
1030 ssl_undefined_function,
1032 ssl3_ctx_callback_ctrl,
1035 static long ssl3_default_timeout(void)
1037 /* 2 hours, the 24 hours mentioned in the SSLv3 spec
1038 * is way too long for http, the cache would over fill */
1042 SSL_METHOD *sslv3_base_method(void)
1044 return(&SSLv3_data);
1047 int ssl3_num_ciphers(void)
1049 return(SSL3_NUM_CIPHERS);
1052 SSL_CIPHER *ssl3_get_cipher(unsigned int u)
1054 if (u < SSL3_NUM_CIPHERS)
1055 return(&(ssl3_ciphers[SSL3_NUM_CIPHERS-1-u]));
1060 int ssl3_pending(const SSL *s)
1062 if (s->rstate == SSL_ST_READ_BODY)
1065 return (s->s3->rrec.type == SSL3_RT_APPLICATION_DATA) ? s->s3->rrec.length : 0;
1068 int ssl3_new(SSL *s)
1072 if ((s3=OPENSSL_malloc(sizeof *s3)) == NULL) goto err;
1073 memset(s3,0,sizeof *s3);
1074 EVP_MD_CTX_init(&s3->finish_dgst1);
1075 EVP_MD_CTX_init(&s3->finish_dgst2);
1079 s->method->ssl_clear(s);
1085 void ssl3_free(SSL *s)
1090 ssl3_cleanup_key_block(s);
1091 if (s->s3->rbuf.buf != NULL)
1092 OPENSSL_free(s->s3->rbuf.buf);
1093 if (s->s3->wbuf.buf != NULL)
1094 OPENSSL_free(s->s3->wbuf.buf);
1095 if (s->s3->rrec.comp != NULL)
1096 OPENSSL_free(s->s3->rrec.comp);
1097 #ifndef OPENSSL_NO_DH
1098 if (s->s3->tmp.dh != NULL)
1099 DH_free(s->s3->tmp.dh);
1101 if (s->s3->tmp.ca_names != NULL)
1102 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
1103 EVP_MD_CTX_cleanup(&s->s3->finish_dgst1);
1104 EVP_MD_CTX_cleanup(&s->s3->finish_dgst2);
1105 OPENSSL_cleanse(s->s3,sizeof *s->s3);
1106 OPENSSL_free(s->s3);
1110 void ssl3_clear(SSL *s)
1112 unsigned char *rp,*wp;
1115 ssl3_cleanup_key_block(s);
1116 if (s->s3->tmp.ca_names != NULL)
1117 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
1119 if (s->s3->rrec.comp != NULL)
1121 OPENSSL_free(s->s3->rrec.comp);
1122 s->s3->rrec.comp=NULL;
1124 #ifndef OPENSSL_NO_DH
1125 if (s->s3->tmp.dh != NULL)
1126 DH_free(s->s3->tmp.dh);
1129 rp = s->s3->rbuf.buf;
1130 wp = s->s3->wbuf.buf;
1131 rlen = s->s3->rbuf.len;
1132 wlen = s->s3->wbuf.len;
1134 EVP_MD_CTX_cleanup(&s->s3->finish_dgst1);
1135 EVP_MD_CTX_cleanup(&s->s3->finish_dgst2);
1137 memset(s->s3,0,sizeof *s->s3);
1138 s->s3->rbuf.buf = rp;
1139 s->s3->wbuf.buf = wp;
1140 s->s3->rbuf.len = rlen;
1141 s->s3->wbuf.len = wlen;
1143 ssl_free_wbio_buffer(s);
1146 s->s3->renegotiate=0;
1147 s->s3->total_renegotiations=0;
1148 s->s3->num_renegotiations=0;
1149 s->s3->in_read_app_data=0;
1150 s->version=SSL3_VERSION;
1153 long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg)
1157 #if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_RSA)
1159 #ifndef OPENSSL_NO_RSA
1160 cmd == SSL_CTRL_SET_TMP_RSA ||
1161 cmd == SSL_CTRL_SET_TMP_RSA_CB ||
1163 #ifndef OPENSSL_NO_DSA
1164 cmd == SSL_CTRL_SET_TMP_DH ||
1165 cmd == SSL_CTRL_SET_TMP_DH_CB ||
1169 if (!ssl_cert_inst(&s->cert))
1171 SSLerr(SSL_F_SSL3_CTRL, ERR_R_MALLOC_FAILURE);
1179 case SSL_CTRL_GET_SESSION_REUSED:
1182 case SSL_CTRL_GET_CLIENT_CERT_REQUEST:
1184 case SSL_CTRL_GET_NUM_RENEGOTIATIONS:
1185 ret=s->s3->num_renegotiations;
1187 case SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS:
1188 ret=s->s3->num_renegotiations;
1189 s->s3->num_renegotiations=0;
1191 case SSL_CTRL_GET_TOTAL_RENEGOTIATIONS:
1192 ret=s->s3->total_renegotiations;
1194 case SSL_CTRL_GET_FLAGS:
1195 ret=(int)(s->s3->flags);
1197 #ifndef OPENSSL_NO_RSA
1198 case SSL_CTRL_NEED_TMP_RSA:
1199 if ((s->cert != NULL) && (s->cert->rsa_tmp == NULL) &&
1200 ((s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
1201 (EVP_PKEY_size(s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8))))
1204 case SSL_CTRL_SET_TMP_RSA:
1206 RSA *rsa = (RSA *)parg;
1209 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
1212 if ((rsa = RSAPrivateKey_dup(rsa)) == NULL)
1214 SSLerr(SSL_F_SSL3_CTRL, ERR_R_RSA_LIB);
1217 if (s->cert->rsa_tmp != NULL)
1218 RSA_free(s->cert->rsa_tmp);
1219 s->cert->rsa_tmp = rsa;
1223 case SSL_CTRL_SET_TMP_RSA_CB:
1225 SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1230 #ifndef OPENSSL_NO_DH
1231 case SSL_CTRL_SET_TMP_DH:
1233 DH *dh = (DH *)parg;
1236 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
1239 if ((dh = DHparams_dup(dh)) == NULL)
1241 SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
1244 if (!(s->options & SSL_OP_SINGLE_DH_USE))
1246 if (!DH_generate_key(dh))
1249 SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
1253 if (s->cert->dh_tmp != NULL)
1254 DH_free(s->cert->dh_tmp);
1255 s->cert->dh_tmp = dh;
1259 case SSL_CTRL_SET_TMP_DH_CB:
1261 SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1272 long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp)())
1276 #if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_RSA)
1278 #ifndef OPENSSL_NO_RSA
1279 cmd == SSL_CTRL_SET_TMP_RSA_CB ||
1281 #ifndef OPENSSL_NO_DSA
1282 cmd == SSL_CTRL_SET_TMP_DH_CB ||
1286 if (!ssl_cert_inst(&s->cert))
1288 SSLerr(SSL_F_SSL3_CALLBACK_CTRL, ERR_R_MALLOC_FAILURE);
1296 #ifndef OPENSSL_NO_RSA
1297 case SSL_CTRL_SET_TMP_RSA_CB:
1299 s->cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))fp;
1303 #ifndef OPENSSL_NO_DH
1304 case SSL_CTRL_SET_TMP_DH_CB:
1306 s->cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
1316 long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg)
1324 #ifndef OPENSSL_NO_RSA
1325 case SSL_CTRL_NEED_TMP_RSA:
1326 if ( (cert->rsa_tmp == NULL) &&
1327 ((cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
1328 (EVP_PKEY_size(cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8)))
1334 case SSL_CTRL_SET_TMP_RSA:
1345 if ((rsa=RSAPrivateKey_dup(rsa)) == NULL)
1350 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_RSA_LIB);
1355 if (cert->rsa_tmp != NULL)
1356 RSA_free(cert->rsa_tmp);
1362 case SSL_CTRL_SET_TMP_RSA_CB:
1364 SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1369 #ifndef OPENSSL_NO_DH
1370 case SSL_CTRL_SET_TMP_DH:
1375 if ((new=DHparams_dup(dh)) == NULL)
1377 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
1380 if (!(ctx->options & SSL_OP_SINGLE_DH_USE))
1382 if (!DH_generate_key(new))
1384 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
1389 if (cert->dh_tmp != NULL)
1390 DH_free(cert->dh_tmp);
1395 case SSL_CTRL_SET_TMP_DH_CB:
1397 SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1402 /* A Thawte special :-) */
1403 case SSL_CTRL_EXTRA_CHAIN_CERT:
1404 if (ctx->extra_certs == NULL)
1406 if ((ctx->extra_certs=sk_X509_new_null()) == NULL)
1409 sk_X509_push(ctx->extra_certs,(X509 *)parg);
1418 long ssl3_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)())
1426 #ifndef OPENSSL_NO_RSA
1427 case SSL_CTRL_SET_TMP_RSA_CB:
1429 cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))fp;
1433 #ifndef OPENSSL_NO_DH
1434 case SSL_CTRL_SET_TMP_DH_CB:
1436 cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
1446 /* This function needs to check if the ciphers required are actually
1448 SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p)
1451 static SSL_CIPHER *sorted[SSL3_NUM_CIPHERS];
1452 SSL_CIPHER c,*cp= &c,**cpp;
1458 CRYPTO_w_lock(CRYPTO_LOCK_SSL);
1462 for (i=0; i<SSL3_NUM_CIPHERS; i++)
1463 sorted[i]= &(ssl3_ciphers[i]);
1466 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
1467 FP_ICC ssl_cipher_ptr_id_cmp);
1472 CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
1475 id=0x03000000L|((unsigned long)p[0]<<8L)|(unsigned long)p[1];
1477 cpp=(SSL_CIPHER **)OBJ_bsearch((char *)&cp,
1479 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
1480 FP_ICC ssl_cipher_ptr_id_cmp);
1481 if ((cpp == NULL) || !(*cpp)->valid)
1487 int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p)
1494 if ((l & 0xff000000) != 0x03000000) return(0);
1495 p[0]=((unsigned char)(l>> 8L))&0xFF;
1496 p[1]=((unsigned char)(l ))&0xFF;
1501 SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt,
1502 STACK_OF(SSL_CIPHER) *srvr)
1504 SSL_CIPHER *c,*ret=NULL;
1505 STACK_OF(SSL_CIPHER) *prio, *allow;
1508 unsigned long alg,mask,emask;
1510 /* Let's see which ciphers we can support */
1514 /* Do not set the compare functions, because this may lead to a
1515 * reordering by "id". We want to keep the original ordering.
1516 * We may pay a price in performance during sk_SSL_CIPHER_find(),
1517 * but would have to pay with the price of sk_SSL_CIPHER_dup().
1519 sk_SSL_CIPHER_set_cmp_func(srvr, ssl_cipher_ptr_id_cmp);
1520 sk_SSL_CIPHER_set_cmp_func(clnt, ssl_cipher_ptr_id_cmp);
1524 printf("Server has %d from %p:\n", sk_SSL_CIPHER_num(srvr), srvr);
1525 for(i=0 ; i < sk_SSL_CIPHER_num(srvr) ; ++i)
1527 c=sk_SSL_CIPHER_value(srvr,i);
1528 printf("%p:%s\n",c,c->name);
1530 printf("Client sent %d from %p:\n", sk_SSL_CIPHER_num(clnt), clnt);
1531 for(i=0 ; i < sk_SSL_CIPHER_num(clnt) ; ++i)
1533 c=sk_SSL_CIPHER_value(clnt,i);
1534 printf("%p:%s\n",c,c->name);
1538 if (s->options & SSL_OP_CIPHER_SERVER_PREFERENCE)
1549 for (i=0; i<sk_SSL_CIPHER_num(prio); i++)
1551 c=sk_SSL_CIPHER_value(prio,i);
1553 ssl_set_cert_masks(cert,c);
1555 emask=cert->export_mask;
1558 printf("ssl3_choose_cipher %d alg= %lx\n", i,c->algorithms);
1559 #endif /* KSSL_DEBUG */
1561 alg=c->algorithms&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1562 #ifndef OPENSSL_NO_KRB5
1565 if ( !kssl_keytab_is_available(s->kssl_ctx) )
1568 #endif /* OPENSSL_NO_KRB5 */
1569 if (SSL_C_IS_EXPORT(c))
1571 ok=((alg & emask) == alg)?1:0;
1573 printf("%d:[%08lX:%08lX]%p:%s (export)\n",ok,alg,emask,
1579 ok=((alg & mask) == alg)?1:0;
1581 printf("%d:[%08lX:%08lX]%p:%s\n",ok,alg,mask,c,
1588 j=sk_SSL_CIPHER_find(allow,c);
1591 ret=sk_SSL_CIPHER_value(allow,j);
1598 int ssl3_get_req_cert_type(SSL *s, unsigned char *p)
1603 alg=s->s3->tmp.new_cipher->algorithms;
1605 #ifndef OPENSSL_NO_DH
1606 if (alg & (SSL_kDHr|SSL_kEDH))
1608 # ifndef OPENSSL_NO_RSA
1609 p[ret++]=SSL3_CT_RSA_FIXED_DH;
1611 # ifndef OPENSSL_NO_DSA
1612 p[ret++]=SSL3_CT_DSS_FIXED_DH;
1615 if ((s->version == SSL3_VERSION) &&
1616 (alg & (SSL_kEDH|SSL_kDHd|SSL_kDHr)))
1618 # ifndef OPENSSL_NO_RSA
1619 p[ret++]=SSL3_CT_RSA_EPHEMERAL_DH;
1621 # ifndef OPENSSL_NO_DSA
1622 p[ret++]=SSL3_CT_DSS_EPHEMERAL_DH;
1625 #endif /* !OPENSSL_NO_DH */
1626 #ifndef OPENSSL_NO_RSA
1627 p[ret++]=SSL3_CT_RSA_SIGN;
1629 #ifndef OPENSSL_NO_DSA
1630 p[ret++]=SSL3_CT_DSS_SIGN;
1635 int ssl3_shutdown(SSL *s)
1638 /* Don't do anything much if we have not done the handshake or
1639 * we don't want to send messages :-) */
1640 if ((s->quiet_shutdown) || (s->state == SSL_ST_BEFORE))
1642 s->shutdown=(SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1646 if (!(s->shutdown & SSL_SENT_SHUTDOWN))
1648 s->shutdown|=SSL_SENT_SHUTDOWN;
1650 ssl3_send_alert(s,SSL3_AL_WARNING,SSL_AD_CLOSE_NOTIFY);
1652 /* our shutdown alert has been sent now, and if it still needs
1653 * to be written, s->s3->alert_dispatch will be true */
1655 else if (s->s3->alert_dispatch)
1657 /* resend it if not sent */
1659 ssl3_dispatch_alert(s);
1662 else if (!(s->shutdown & SSL_RECEIVED_SHUTDOWN))
1664 /* If we are waiting for a close from our peer, we are closed */
1665 ssl3_read_bytes(s,0,NULL,0,0);
1668 if ((s->shutdown == (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN)) &&
1669 !s->s3->alert_dispatch)
1675 int ssl3_write(SSL *s, const void *buf, int len)
1680 if (s->shutdown & SSL_SEND_SHUTDOWN)
1682 s->rwstate=SSL_NOTHING;
1687 if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1689 /* This is an experimental flag that sends the
1690 * last handshake message in the same packet as the first
1691 * use data - used to see if it helps the TCP protocol during
1692 * session-id reuse */
1693 /* The second test is because the buffer may have been removed */
1694 if ((s->s3->flags & SSL3_FLAGS_POP_BUFFER) && (s->wbio == s->bbio))
1696 /* First time through, we write into the buffer */
1697 if (s->s3->delay_buf_pop_ret == 0)
1699 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1701 if (ret <= 0) return(ret);
1703 s->s3->delay_buf_pop_ret=ret;
1706 s->rwstate=SSL_WRITING;
1707 n=BIO_flush(s->wbio);
1708 if (n <= 0) return(n);
1709 s->rwstate=SSL_NOTHING;
1711 /* We have flushed the buffer, so remove it */
1712 ssl_free_wbio_buffer(s);
1713 s->s3->flags&= ~SSL3_FLAGS_POP_BUFFER;
1715 ret=s->s3->delay_buf_pop_ret;
1716 s->s3->delay_buf_pop_ret=0;
1720 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1722 if (ret <= 0) return(ret);
1728 static int ssl3_read_internal(SSL *s, void *buf, int len, int peek)
1733 if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1734 s->s3->in_read_app_data=1;
1735 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len,peek);
1736 if ((ret == -1) && (s->s3->in_read_app_data == 2))
1738 /* ssl3_read_bytes decided to call s->handshake_func, which
1739 * called ssl3_read_bytes to read handshake data.
1740 * However, ssl3_read_bytes actually found application data
1741 * and thinks that application data makes sense here; so disable
1742 * handshake processing and try to read application data again. */
1744 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len,peek);
1748 s->s3->in_read_app_data=0;
1753 int ssl3_read(SSL *s, void *buf, int len)
1755 return ssl3_read_internal(s, buf, len, 0);
1758 int ssl3_peek(SSL *s, void *buf, int len)
1760 return ssl3_read_internal(s, buf, len, 1);
1763 int ssl3_renegotiate(SSL *s)
1765 if (s->handshake_func == NULL)
1768 if (s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS)
1771 s->s3->renegotiate=1;
1775 int ssl3_renegotiate_check(SSL *s)
1779 if (s->s3->renegotiate)
1781 if ( (s->s3->rbuf.left == 0) &&
1782 (s->s3->wbuf.left == 0) &&
1786 if we are the server, and we have sent a 'RENEGOTIATE' message, we
1787 need to go to SSL_ST_ACCEPT.
1790 s->state=SSL_ST_RENEGOTIATE;
1791 s->s3->renegotiate=0;
1792 s->s3->num_renegotiations++;
1793 s->s3->total_renegotiations++;