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,
142 SSL3_TXT_RSA_NULL_SHA,
143 SSL3_CK_RSA_NULL_SHA,
144 SSL_kRSA|SSL_aRSA|SSL_eNULL |SSL_SHA1|SSL_SSLV3,
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,
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,
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,
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,
276 SSL3_TXT_RSA_IDEA_128_SHA,
277 SSL3_CK_RSA_IDEA_128_SHA,
278 SSL_kRSA|SSL_aRSA|SSL_IDEA |SSL_SHA1|SSL_SSLV3,
279 SSL_NOT_EXP|SSL_MEDIUM,
289 SSL3_TXT_RSA_DES_40_CBC_SHA,
290 SSL3_CK_RSA_DES_40_CBC_SHA,
291 SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA1|SSL_SSLV3,
292 SSL_EXPORT|SSL_EXP40,
302 SSL3_TXT_RSA_DES_64_CBC_SHA,
303 SSL3_CK_RSA_DES_64_CBC_SHA,
304 SSL_kRSA|SSL_aRSA|SSL_DES |SSL_SHA1|SSL_SSLV3,
315 SSL3_TXT_RSA_DES_192_CBC3_SHA,
316 SSL3_CK_RSA_DES_192_CBC3_SHA,
317 SSL_kRSA|SSL_aRSA|SSL_3DES |SSL_SHA1|SSL_SSLV3,
318 SSL_NOT_EXP|SSL_HIGH,
330 SSL3_TXT_DH_DSS_DES_40_CBC_SHA,
331 SSL3_CK_DH_DSS_DES_40_CBC_SHA,
332 SSL_kDHd |SSL_aDH|SSL_DES|SSL_SHA1|SSL_SSLV3,
333 SSL_EXPORT|SSL_EXP40,
343 SSL3_TXT_DH_DSS_DES_64_CBC_SHA,
344 SSL3_CK_DH_DSS_DES_64_CBC_SHA,
345 SSL_kDHd |SSL_aDH|SSL_DES |SSL_SHA1|SSL_SSLV3,
356 SSL3_TXT_DH_DSS_DES_192_CBC3_SHA,
357 SSL3_CK_DH_DSS_DES_192_CBC3_SHA,
358 SSL_kDHd |SSL_aDH|SSL_3DES |SSL_SHA1|SSL_SSLV3,
359 SSL_NOT_EXP|SSL_HIGH,
369 SSL3_TXT_DH_RSA_DES_40_CBC_SHA,
370 SSL3_CK_DH_RSA_DES_40_CBC_SHA,
371 SSL_kDHr |SSL_aDH|SSL_DES|SSL_SHA1|SSL_SSLV3,
372 SSL_EXPORT|SSL_EXP40,
382 SSL3_TXT_DH_RSA_DES_64_CBC_SHA,
383 SSL3_CK_DH_RSA_DES_64_CBC_SHA,
384 SSL_kDHr |SSL_aDH|SSL_DES |SSL_SHA1|SSL_SSLV3,
395 SSL3_TXT_DH_RSA_DES_192_CBC3_SHA,
396 SSL3_CK_DH_RSA_DES_192_CBC3_SHA,
397 SSL_kDHr |SSL_aDH|SSL_3DES |SSL_SHA1|SSL_SSLV3,
398 SSL_NOT_EXP|SSL_HIGH,
406 /* The Ephemeral DH ciphers */
410 SSL3_TXT_EDH_DSS_DES_40_CBC_SHA,
411 SSL3_CK_EDH_DSS_DES_40_CBC_SHA,
412 SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA1|SSL_SSLV3,
413 SSL_EXPORT|SSL_EXP40,
423 SSL3_TXT_EDH_DSS_DES_64_CBC_SHA,
424 SSL3_CK_EDH_DSS_DES_64_CBC_SHA,
425 SSL_kEDH|SSL_aDSS|SSL_DES |SSL_SHA1|SSL_SSLV3,
436 SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA,
437 SSL3_CK_EDH_DSS_DES_192_CBC3_SHA,
438 SSL_kEDH|SSL_aDSS|SSL_3DES |SSL_SHA1|SSL_SSLV3,
439 SSL_NOT_EXP|SSL_HIGH,
449 SSL3_TXT_EDH_RSA_DES_40_CBC_SHA,
450 SSL3_CK_EDH_RSA_DES_40_CBC_SHA,
451 SSL_kEDH|SSL_aRSA|SSL_DES|SSL_SHA1|SSL_SSLV3,
452 SSL_EXPORT|SSL_EXP40,
462 SSL3_TXT_EDH_RSA_DES_64_CBC_SHA,
463 SSL3_CK_EDH_RSA_DES_64_CBC_SHA,
464 SSL_kEDH|SSL_aRSA|SSL_DES |SSL_SHA1|SSL_SSLV3,
475 SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA,
476 SSL3_CK_EDH_RSA_DES_192_CBC3_SHA,
477 SSL_kEDH|SSL_aRSA|SSL_3DES |SSL_SHA1|SSL_SSLV3,
478 SSL_NOT_EXP|SSL_HIGH,
490 SSL3_TXT_FZA_DMS_NULL_SHA,
491 SSL3_CK_FZA_DMS_NULL_SHA,
492 SSL_kFZA|SSL_aFZA |SSL_eNULL |SSL_SHA1|SSL_SSLV3,
504 SSL3_TXT_FZA_DMS_FZA_SHA,
505 SSL3_CK_FZA_DMS_FZA_SHA,
506 SSL_kFZA|SSL_aFZA |SSL_eFZA |SSL_SHA1|SSL_SSLV3,
518 SSL3_TXT_FZA_DMS_RC4_SHA,
519 SSL3_CK_FZA_DMS_RC4_SHA,
520 SSL_kFZA|SSL_aFZA |SSL_RC4 |SSL_SHA1|SSL_SSLV3,
521 SSL_NOT_EXP|SSL_MEDIUM,
529 #ifndef OPENSSL_NO_KRB5
530 /* The Kerberos ciphers
531 ** 20000107 VRS: And the first shall be last,
532 ** in hopes of avoiding the lynx ssl renegotiation problem.
537 SSL3_TXT_KRB5_DES_40_CBC_SHA,
538 SSL3_CK_KRB5_DES_40_CBC_SHA,
539 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_SHA1 |SSL_SSLV3,
540 SSL_EXPORT|SSL_EXP40,
551 SSL3_TXT_KRB5_DES_40_CBC_MD5,
552 SSL3_CK_KRB5_DES_40_CBC_MD5,
553 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_MD5 |SSL_SSLV3,
554 SSL_EXPORT|SSL_EXP40,
565 SSL3_TXT_KRB5_DES_64_CBC_SHA,
566 SSL3_CK_KRB5_DES_64_CBC_SHA,
567 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_SHA1 |SSL_SSLV3,
579 SSL3_TXT_KRB5_DES_64_CBC_MD5,
580 SSL3_CK_KRB5_DES_64_CBC_MD5,
581 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_MD5 |SSL_SSLV3,
593 SSL3_TXT_KRB5_DES_192_CBC3_SHA,
594 SSL3_CK_KRB5_DES_192_CBC3_SHA,
595 SSL_kKRB5|SSL_aKRB5| SSL_3DES|SSL_SHA1 |SSL_SSLV3,
596 SSL_NOT_EXP|SSL_HIGH,
607 SSL3_TXT_KRB5_DES_192_CBC3_MD5,
608 SSL3_CK_KRB5_DES_192_CBC3_MD5,
609 SSL_kKRB5|SSL_aKRB5| SSL_3DES|SSL_MD5 |SSL_SSLV3,
610 SSL_NOT_EXP|SSL_HIGH,
617 #endif /* OPENSSL_NO_KRB5 */
620 #if TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES
621 /* New TLS Export CipherSuites */
625 TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_MD5,
626 TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_MD5,
627 SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5|SSL_TLSV1,
628 SSL_EXPORT|SSL_EXP56,
638 TLS1_TXT_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
639 TLS1_CK_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
640 SSL_kRSA|SSL_aRSA|SSL_RC2|SSL_MD5|SSL_TLSV1,
641 SSL_EXPORT|SSL_EXP56,
651 TLS1_TXT_RSA_EXPORT1024_WITH_DES_CBC_SHA,
652 TLS1_CK_RSA_EXPORT1024_WITH_DES_CBC_SHA,
653 SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA|SSL_TLSV1,
654 SSL_EXPORT|SSL_EXP56,
664 TLS1_TXT_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
665 TLS1_CK_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
666 SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA|SSL_TLSV1,
667 SSL_EXPORT|SSL_EXP56,
677 TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_SHA,
678 TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_SHA,
679 SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_TLSV1,
680 SSL_EXPORT|SSL_EXP56,
690 TLS1_TXT_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
691 TLS1_CK_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
692 SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
693 SSL_EXPORT|SSL_EXP56,
703 TLS1_TXT_DHE_DSS_WITH_RC4_128_SHA,
704 TLS1_CK_DHE_DSS_WITH_RC4_128_SHA,
705 SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
706 SSL_NOT_EXP|SSL_MEDIUM,
714 /* New AES ciphersuites */
719 TLS1_TXT_RSA_WITH_AES_128_SHA,
720 TLS1_CK_RSA_WITH_AES_128_SHA,
721 SSL_kRSA|SSL_aRSA|SSL_AES|SSL_SHA |SSL_TLSV1,
722 SSL_NOT_EXP|SSL_MEDIUM,
732 TLS1_TXT_DH_DSS_WITH_AES_128_SHA,
733 TLS1_CK_DH_DSS_WITH_AES_128_SHA,
734 SSL_kDHd|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
735 SSL_NOT_EXP|SSL_MEDIUM,
745 TLS1_TXT_DH_RSA_WITH_AES_128_SHA,
746 TLS1_CK_DH_RSA_WITH_AES_128_SHA,
747 SSL_kDHr|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
748 SSL_NOT_EXP|SSL_MEDIUM,
758 TLS1_TXT_DHE_DSS_WITH_AES_128_SHA,
759 TLS1_CK_DHE_DSS_WITH_AES_128_SHA,
760 SSL_kEDH|SSL_aDSS|SSL_AES|SSL_SHA|SSL_TLSV1,
761 SSL_NOT_EXP|SSL_MEDIUM,
771 TLS1_TXT_DHE_RSA_WITH_AES_128_SHA,
772 TLS1_CK_DHE_RSA_WITH_AES_128_SHA,
773 SSL_kEDH|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1,
774 SSL_NOT_EXP|SSL_MEDIUM,
784 TLS1_TXT_ADH_WITH_AES_128_SHA,
785 TLS1_CK_ADH_WITH_AES_128_SHA,
786 SSL_kEDH|SSL_aNULL|SSL_AES|SSL_SHA|SSL_TLSV1,
787 SSL_NOT_EXP|SSL_MEDIUM,
798 TLS1_TXT_RSA_WITH_AES_256_SHA,
799 TLS1_CK_RSA_WITH_AES_256_SHA,
800 SSL_kRSA|SSL_aRSA|SSL_AES|SSL_SHA |SSL_TLSV1,
801 SSL_NOT_EXP|SSL_HIGH,
811 TLS1_TXT_DH_DSS_WITH_AES_256_SHA,
812 TLS1_CK_DH_DSS_WITH_AES_256_SHA,
813 SSL_kDHd|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
814 SSL_NOT_EXP|SSL_HIGH,
824 TLS1_TXT_DH_RSA_WITH_AES_256_SHA,
825 TLS1_CK_DH_RSA_WITH_AES_256_SHA,
826 SSL_kDHr|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
827 SSL_NOT_EXP|SSL_HIGH,
837 TLS1_TXT_DHE_DSS_WITH_AES_256_SHA,
838 TLS1_CK_DHE_DSS_WITH_AES_256_SHA,
839 SSL_kEDH|SSL_aDSS|SSL_AES|SSL_SHA|SSL_TLSV1,
840 SSL_NOT_EXP|SSL_HIGH,
850 TLS1_TXT_DHE_RSA_WITH_AES_256_SHA,
851 TLS1_CK_DHE_RSA_WITH_AES_256_SHA,
852 SSL_kEDH|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1,
853 SSL_NOT_EXP|SSL_HIGH,
863 TLS1_TXT_ADH_WITH_AES_256_SHA,
864 TLS1_CK_ADH_WITH_AES_256_SHA,
865 SSL_kEDH|SSL_aNULL|SSL_AES|SSL_SHA|SSL_TLSV1,
866 SSL_NOT_EXP|SSL_HIGH,
877 static SSL3_ENC_METHOD SSLv3_enc_data={
880 ssl3_setup_key_block,
881 ssl3_generate_master_secret,
882 ssl3_change_cipher_state,
883 ssl3_final_finish_mac,
884 MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH,
885 ssl3_cert_verify_mac,
886 SSL3_MD_CLIENT_FINISHED_CONST,4,
887 SSL3_MD_SERVER_FINISHED_CONST,4,
891 static SSL_METHOD SSLv3_data= {
896 ssl_undefined_function,
897 ssl_undefined_function,
903 ssl3_renegotiate_check,
906 ssl3_get_cipher_by_char,
907 ssl3_put_cipher_by_char,
912 ssl3_default_timeout,
914 ssl_undefined_function,
916 ssl3_ctx_callback_ctrl,
919 static long ssl3_default_timeout(void)
921 /* 2 hours, the 24 hours mentioned in the SSLv3 spec
922 * is way too long for http, the cache would over fill */
926 SSL_METHOD *sslv3_base_method(void)
931 int ssl3_num_ciphers(void)
933 return(SSL3_NUM_CIPHERS);
936 SSL_CIPHER *ssl3_get_cipher(unsigned int u)
938 if (u < SSL3_NUM_CIPHERS)
939 return(&(ssl3_ciphers[SSL3_NUM_CIPHERS-1-u]));
944 int ssl3_pending(SSL *s)
946 if (s->rstate == SSL_ST_READ_BODY)
949 return (s->s3->rrec.type == SSL3_RT_APPLICATION_DATA) ? s->s3->rrec.length : 0;
956 if ((s3=OPENSSL_malloc(sizeof *s3)) == NULL) goto err;
957 memset(s3,0,sizeof *s3);
958 EVP_MD_CTX_init(&s3->finish_dgst1);
959 EVP_MD_CTX_init(&s3->finish_dgst2);
963 s->method->ssl_clear(s);
969 void ssl3_free(SSL *s)
974 ssl3_cleanup_key_block(s);
975 if (s->s3->rbuf.buf != NULL)
976 OPENSSL_free(s->s3->rbuf.buf);
977 if (s->s3->wbuf.buf != NULL)
978 OPENSSL_free(s->s3->wbuf.buf);
979 if (s->s3->rrec.comp != NULL)
980 OPENSSL_free(s->s3->rrec.comp);
981 #ifndef OPENSSL_NO_DH
982 if (s->s3->tmp.dh != NULL)
983 DH_free(s->s3->tmp.dh);
985 if (s->s3->tmp.ca_names != NULL)
986 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
987 EVP_MD_CTX_cleanup(&s->s3->finish_dgst1);
988 EVP_MD_CTX_cleanup(&s->s3->finish_dgst2);
989 memset(s->s3,0,sizeof *s->s3);
994 void ssl3_clear(SSL *s)
996 unsigned char *rp,*wp;
998 ssl3_cleanup_key_block(s);
999 if (s->s3->tmp.ca_names != NULL)
1000 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
1002 if (s->s3->rrec.comp != NULL)
1004 OPENSSL_free(s->s3->rrec.comp);
1005 s->s3->rrec.comp=NULL;
1007 #ifndef OPENSSL_NO_DH
1008 if (s->s3->tmp.dh != NULL)
1009 DH_free(s->s3->tmp.dh);
1015 EVP_MD_CTX_cleanup(&s->s3->finish_dgst1);
1016 EVP_MD_CTX_cleanup(&s->s3->finish_dgst2);
1018 memset(s->s3,0,sizeof *s->s3);
1019 if (rp != NULL) s->s3->rbuf.buf=rp;
1020 if (wp != NULL) s->s3->wbuf.buf=wp;
1022 ssl_free_wbio_buffer(s);
1025 s->s3->renegotiate=0;
1026 s->s3->total_renegotiations=0;
1027 s->s3->num_renegotiations=0;
1028 s->s3->in_read_app_data=0;
1029 s->version=SSL3_VERSION;
1032 long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg)
1036 #if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_RSA)
1038 #ifndef OPENSSL_NO_RSA
1039 cmd == SSL_CTRL_SET_TMP_RSA ||
1040 cmd == SSL_CTRL_SET_TMP_RSA_CB ||
1042 #ifndef OPENSSL_NO_DSA
1043 cmd == SSL_CTRL_SET_TMP_DH ||
1044 cmd == SSL_CTRL_SET_TMP_DH_CB ||
1048 if (!ssl_cert_inst(&s->cert))
1050 SSLerr(SSL_F_SSL3_CTRL, ERR_R_MALLOC_FAILURE);
1058 case SSL_CTRL_GET_SESSION_REUSED:
1061 case SSL_CTRL_GET_CLIENT_CERT_REQUEST:
1063 case SSL_CTRL_GET_NUM_RENEGOTIATIONS:
1064 ret=s->s3->num_renegotiations;
1066 case SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS:
1067 ret=s->s3->num_renegotiations;
1068 s->s3->num_renegotiations=0;
1070 case SSL_CTRL_GET_TOTAL_RENEGOTIATIONS:
1071 ret=s->s3->total_renegotiations;
1073 case SSL_CTRL_GET_FLAGS:
1074 ret=(int)(s->s3->flags);
1076 #ifndef OPENSSL_NO_RSA
1077 case SSL_CTRL_NEED_TMP_RSA:
1078 if ((s->cert != NULL) && (s->cert->rsa_tmp == NULL) &&
1079 ((s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
1080 (EVP_PKEY_size(s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8))))
1083 case SSL_CTRL_SET_TMP_RSA:
1085 RSA *rsa = (RSA *)parg;
1088 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
1091 if ((rsa = RSAPrivateKey_dup(rsa)) == NULL)
1093 SSLerr(SSL_F_SSL3_CTRL, ERR_R_RSA_LIB);
1096 if (s->cert->rsa_tmp != NULL)
1097 RSA_free(s->cert->rsa_tmp);
1098 s->cert->rsa_tmp = rsa;
1102 case SSL_CTRL_SET_TMP_RSA_CB:
1104 SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1109 #ifndef OPENSSL_NO_DH
1110 case SSL_CTRL_SET_TMP_DH:
1112 DH *dh = (DH *)parg;
1115 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
1118 if ((dh = DHparams_dup(dh)) == NULL)
1120 SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
1123 if (!(s->options & SSL_OP_SINGLE_DH_USE))
1125 if (!DH_generate_key(dh))
1128 SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
1132 if (s->cert->dh_tmp != NULL)
1133 DH_free(s->cert->dh_tmp);
1134 s->cert->dh_tmp = dh;
1138 case SSL_CTRL_SET_TMP_DH_CB:
1140 SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1151 long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp)())
1155 #if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_RSA)
1157 #ifndef OPENSSL_NO_RSA
1158 cmd == SSL_CTRL_SET_TMP_RSA_CB ||
1160 #ifndef OPENSSL_NO_DSA
1161 cmd == SSL_CTRL_SET_TMP_DH_CB ||
1165 if (!ssl_cert_inst(&s->cert))
1167 SSLerr(SSL_F_SSL3_CALLBACK_CTRL, ERR_R_MALLOC_FAILURE);
1175 #ifndef OPENSSL_NO_RSA
1176 case SSL_CTRL_SET_TMP_RSA_CB:
1178 s->cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))fp;
1182 #ifndef OPENSSL_NO_DH
1183 case SSL_CTRL_SET_TMP_DH_CB:
1185 s->cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
1195 long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg)
1203 #ifndef OPENSSL_NO_RSA
1204 case SSL_CTRL_NEED_TMP_RSA:
1205 if ( (cert->rsa_tmp == NULL) &&
1206 ((cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
1207 (EVP_PKEY_size(cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8)))
1213 case SSL_CTRL_SET_TMP_RSA:
1224 if ((rsa=RSAPrivateKey_dup(rsa)) == NULL)
1229 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_RSA_LIB);
1234 if (cert->rsa_tmp != NULL)
1235 RSA_free(cert->rsa_tmp);
1241 case SSL_CTRL_SET_TMP_RSA_CB:
1243 SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1248 #ifndef OPENSSL_NO_DH
1249 case SSL_CTRL_SET_TMP_DH:
1254 if ((new=DHparams_dup(dh)) == NULL)
1256 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
1259 if (!(ctx->options & SSL_OP_SINGLE_DH_USE))
1261 if (!DH_generate_key(new))
1263 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
1268 if (cert->dh_tmp != NULL)
1269 DH_free(cert->dh_tmp);
1274 case SSL_CTRL_SET_TMP_DH_CB:
1276 SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1281 /* A Thawte special :-) */
1282 case SSL_CTRL_EXTRA_CHAIN_CERT:
1283 if (ctx->extra_certs == NULL)
1285 if ((ctx->extra_certs=sk_X509_new_null()) == NULL)
1288 sk_X509_push(ctx->extra_certs,(X509 *)parg);
1297 long ssl3_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)())
1305 #ifndef OPENSSL_NO_RSA
1306 case SSL_CTRL_SET_TMP_RSA_CB:
1308 cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))fp;
1312 #ifndef OPENSSL_NO_DH
1313 case SSL_CTRL_SET_TMP_DH_CB:
1315 cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
1325 /* This function needs to check if the ciphers required are actually
1327 SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p)
1330 static SSL_CIPHER *sorted[SSL3_NUM_CIPHERS];
1331 SSL_CIPHER c,*cp= &c,**cpp;
1337 CRYPTO_w_lock(CRYPTO_LOCK_SSL);
1339 for (i=0; i<SSL3_NUM_CIPHERS; i++)
1340 sorted[i]= &(ssl3_ciphers[i]);
1342 qsort( (char *)sorted,
1343 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
1344 FP_ICC ssl_cipher_ptr_id_cmp);
1346 CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
1351 id=0x03000000L|((unsigned long)p[0]<<8L)|(unsigned long)p[1];
1353 cpp=(SSL_CIPHER **)OBJ_bsearch((char *)&cp,
1355 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
1356 FP_ICC ssl_cipher_ptr_id_cmp);
1357 if ((cpp == NULL) || !(*cpp)->valid)
1363 int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p)
1370 if ((l & 0xff000000) != 0x03000000) return(0);
1371 p[0]=((unsigned char)(l>> 8L))&0xFF;
1372 p[1]=((unsigned char)(l ))&0xFF;
1377 SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt,
1378 STACK_OF(SSL_CIPHER) *srvr)
1380 SSL_CIPHER *c,*ret=NULL;
1381 STACK_OF(SSL_CIPHER) *prio, *allow;
1384 unsigned long alg,mask,emask;
1386 /* Let's see which ciphers we can support */
1390 /* Do not set the compare functions, because this may lead to a
1391 * reordering by "id". We want to keep the original ordering.
1392 * We may pay a price in performance during sk_SSL_CIPHER_find(),
1393 * but would have to pay with the price of sk_SSL_CIPHER_dup().
1395 sk_SSL_CIPHER_set_cmp_func(srvr, ssl_cipher_ptr_id_cmp);
1396 sk_SSL_CIPHER_set_cmp_func(clnt, ssl_cipher_ptr_id_cmp);
1400 printf("Server has %d from %p:\n", sk_SSL_CIPHER_num(srvr), srvr);
1401 for(i=0 ; i < sk_SSL_CIPHER_num(srvr) ; ++i)
1403 c=sk_SSL_CIPHER_value(srvr,i);
1404 printf("%p:%s\n",c,c->name);
1406 printf("Client sent %d from %p:\n", sk_SSL_CIPHER_num(clnt), clnt);
1407 for(i=0 ; i < sk_SSL_CIPHER_num(clnt) ; ++i)
1409 c=sk_SSL_CIPHER_value(clnt,i);
1410 printf("%p:%s\n",c,c->name);
1414 if (s->options & SSL_OP_CIPHER_SERVER_PREFERENCE)
1425 for (i=0; i<sk_SSL_CIPHER_num(prio); i++)
1427 c=sk_SSL_CIPHER_value(prio,i);
1429 ssl_set_cert_masks(cert,c);
1431 emask=cert->export_mask;
1434 printf("ssl3_choose_cipher %d alg= %lx\n", i,c->algorithms);
1435 #endif /* KSSL_DEBUG */
1437 alg=c->algorithms&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1438 #ifndef OPENSSL_NO_KRB5
1441 if ( !kssl_keytab_is_available(s->kssl_ctx) )
1444 #endif /* OPENSSL_NO_KRB5 */
1445 if (SSL_C_IS_EXPORT(c))
1447 ok=((alg & emask) == alg)?1:0;
1449 printf("%d:[%08lX:%08lX]%p:%s (export)\n",ok,alg,emask,
1455 ok=((alg & mask) == alg)?1:0;
1457 printf("%d:[%08lX:%08lX]%p:%s\n",ok,alg,mask,c,
1464 j=sk_SSL_CIPHER_find(allow,c);
1467 ret=sk_SSL_CIPHER_value(allow,j);
1474 int ssl3_get_req_cert_type(SSL *s, unsigned char *p)
1479 alg=s->s3->tmp.new_cipher->algorithms;
1481 #ifndef OPENSSL_NO_DH
1482 if (alg & (SSL_kDHr|SSL_kEDH))
1484 # ifndef OPENSSL_NO_RSA
1485 p[ret++]=SSL3_CT_RSA_FIXED_DH;
1487 # ifndef OPENSSL_NO_DSA
1488 p[ret++]=SSL3_CT_DSS_FIXED_DH;
1491 if ((s->version == SSL3_VERSION) &&
1492 (alg & (SSL_kEDH|SSL_kDHd|SSL_kDHr)))
1494 # ifndef OPENSSL_NO_RSA
1495 p[ret++]=SSL3_CT_RSA_EPHEMERAL_DH;
1497 # ifndef OPENSSL_NO_DSA
1498 p[ret++]=SSL3_CT_DSS_EPHEMERAL_DH;
1501 #endif /* !OPENSSL_NO_DH */
1502 #ifndef OPENSSL_NO_RSA
1503 p[ret++]=SSL3_CT_RSA_SIGN;
1505 #ifndef OPENSSL_NO_DSA
1506 p[ret++]=SSL3_CT_DSS_SIGN;
1511 int ssl3_shutdown(SSL *s)
1514 /* Don't do anything much if we have not done the handshake or
1515 * we don't want to send messages :-) */
1516 if ((s->quiet_shutdown) || (s->state == SSL_ST_BEFORE))
1518 s->shutdown=(SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1522 if (!(s->shutdown & SSL_SENT_SHUTDOWN))
1524 s->shutdown|=SSL_SENT_SHUTDOWN;
1526 ssl3_send_alert(s,SSL3_AL_WARNING,SSL_AD_CLOSE_NOTIFY);
1528 /* our shutdown alert has been sent now, and if it still needs
1529 * to be written, s->s3->alert_dispatch will be true */
1531 else if (s->s3->alert_dispatch)
1533 /* resend it if not sent */
1535 ssl3_dispatch_alert(s);
1538 else if (!(s->shutdown & SSL_RECEIVED_SHUTDOWN))
1540 /* If we are waiting for a close from our peer, we are closed */
1541 ssl3_read_bytes(s,0,NULL,0,0);
1544 if ((s->shutdown == (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN)) &&
1545 !s->s3->alert_dispatch)
1551 int ssl3_write(SSL *s, const void *buf, int len)
1556 if (s->shutdown & SSL_SEND_SHUTDOWN)
1558 s->rwstate=SSL_NOTHING;
1563 if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1565 /* This is an experimental flag that sends the
1566 * last handshake message in the same packet as the first
1567 * use data - used to see if it helps the TCP protocol during
1568 * session-id reuse */
1569 /* The second test is because the buffer may have been removed */
1570 if ((s->s3->flags & SSL3_FLAGS_POP_BUFFER) && (s->wbio == s->bbio))
1572 /* First time through, we write into the buffer */
1573 if (s->s3->delay_buf_pop_ret == 0)
1575 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1577 if (ret <= 0) return(ret);
1579 s->s3->delay_buf_pop_ret=ret;
1582 s->rwstate=SSL_WRITING;
1583 n=BIO_flush(s->wbio);
1584 if (n <= 0) return(n);
1585 s->rwstate=SSL_NOTHING;
1587 /* We have flushed the buffer, so remove it */
1588 ssl_free_wbio_buffer(s);
1589 s->s3->flags&= ~SSL3_FLAGS_POP_BUFFER;
1591 ret=s->s3->delay_buf_pop_ret;
1592 s->s3->delay_buf_pop_ret=0;
1596 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1598 if (ret <= 0) return(ret);
1604 static int ssl3_read_internal(SSL *s, void *buf, int len, int peek)
1609 if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1610 s->s3->in_read_app_data=1;
1611 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len,peek);
1612 if ((ret == -1) && (s->s3->in_read_app_data == 0))
1614 /* ssl3_read_bytes decided to call s->handshake_func, which
1615 * called ssl3_read_bytes to read handshake data.
1616 * However, ssl3_read_bytes actually found application data
1617 * and thinks that application data makes sense here (signalled
1618 * by resetting 'in_read_app_data', strangely); so disable
1619 * handshake processing and try to read application data again. */
1621 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len,peek);
1625 s->s3->in_read_app_data=0;
1630 int ssl3_read(SSL *s, void *buf, int len)
1632 return ssl3_read_internal(s, buf, len, 0);
1635 int ssl3_peek(SSL *s, void *buf, int len)
1637 return ssl3_read_internal(s, buf, len, 1);
1640 int ssl3_renegotiate(SSL *s)
1642 if (s->handshake_func == NULL)
1645 if (s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS)
1648 s->s3->renegotiate=1;
1652 int ssl3_renegotiate_check(SSL *s)
1656 if (s->s3->renegotiate)
1658 if ( (s->s3->rbuf.left == 0) &&
1659 (s->s3->wbuf.left == 0) &&
1663 if we are the server, and we have sent a 'RENEGOTIATE' message, we
1664 need to go to SSL_ST_ACCEPT.
1667 s->state=SSL_ST_RENEGOTIATE;
1668 s->s3->renegotiate=0;
1669 s->s3->num_renegotiations++;
1670 s->s3->total_renegotiations++;