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"
115 #include "kssl_lcl.h"
117 const char *ssl3_version_str="SSLv3" OPENSSL_VERSION_PTEXT;
119 #define SSL3_NUM_CIPHERS (sizeof(ssl3_ciphers)/sizeof(SSL_CIPHER))
121 static long ssl3_default_timeout(void );
123 OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
124 /* The RSA ciphers */
128 SSL3_TXT_RSA_NULL_MD5,
129 SSL3_CK_RSA_NULL_MD5,
130 SSL_kRSA|SSL_aRSA|SSL_eNULL |SSL_MD5|SSL_SSLV3,
141 SSL3_TXT_RSA_NULL_SHA,
142 SSL3_CK_RSA_NULL_SHA,
143 SSL_kRSA|SSL_aRSA|SSL_eNULL |SSL_SHA1|SSL_SSLV3,
156 SSL3_TXT_ADH_RC4_40_MD5,
157 SSL3_CK_ADH_RC4_40_MD5,
158 SSL_kEDH |SSL_aNULL|SSL_RC4 |SSL_MD5 |SSL_SSLV3,
159 SSL_EXPORT|SSL_EXP40,
169 SSL3_TXT_ADH_RC4_128_MD5,
170 SSL3_CK_ADH_RC4_128_MD5,
171 SSL_kEDH |SSL_aNULL|SSL_RC4 |SSL_MD5 |SSL_SSLV3,
182 SSL3_TXT_ADH_DES_40_CBC_SHA,
183 SSL3_CK_ADH_DES_40_CBC_SHA,
184 SSL_kEDH |SSL_aNULL|SSL_DES|SSL_SHA1|SSL_SSLV3,
185 SSL_EXPORT|SSL_EXP40,
195 SSL3_TXT_ADH_DES_64_CBC_SHA,
196 SSL3_CK_ADH_DES_64_CBC_SHA,
197 SSL_kEDH |SSL_aNULL|SSL_DES |SSL_SHA1|SSL_SSLV3,
208 SSL3_TXT_ADH_DES_192_CBC_SHA,
209 SSL3_CK_ADH_DES_192_CBC_SHA,
210 SSL_kEDH |SSL_aNULL|SSL_3DES |SSL_SHA1|SSL_SSLV3,
223 SSL3_TXT_RSA_RC4_40_MD5,
224 SSL3_CK_RSA_RC4_40_MD5,
225 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_MD5 |SSL_SSLV3,
226 SSL_EXPORT|SSL_EXP40,
236 SSL3_TXT_RSA_RC4_128_MD5,
237 SSL3_CK_RSA_RC4_128_MD5,
238 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_MD5|SSL_SSLV3,
239 SSL_NOT_EXP|SSL_MEDIUM,
249 SSL3_TXT_RSA_RC4_128_SHA,
250 SSL3_CK_RSA_RC4_128_SHA,
251 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_SHA1|SSL_SSLV3,
252 SSL_NOT_EXP|SSL_MEDIUM,
262 SSL3_TXT_RSA_RC2_40_MD5,
263 SSL3_CK_RSA_RC2_40_MD5,
264 SSL_kRSA|SSL_aRSA|SSL_RC2 |SSL_MD5 |SSL_SSLV3,
265 SSL_EXPORT|SSL_EXP40,
275 SSL3_TXT_RSA_IDEA_128_SHA,
276 SSL3_CK_RSA_IDEA_128_SHA,
277 SSL_kRSA|SSL_aRSA|SSL_IDEA |SSL_SHA1|SSL_SSLV3,
278 SSL_NOT_EXP|SSL_MEDIUM,
288 SSL3_TXT_RSA_DES_40_CBC_SHA,
289 SSL3_CK_RSA_DES_40_CBC_SHA,
290 SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA1|SSL_SSLV3,
291 SSL_EXPORT|SSL_EXP40,
301 SSL3_TXT_RSA_DES_64_CBC_SHA,
302 SSL3_CK_RSA_DES_64_CBC_SHA,
303 SSL_kRSA|SSL_aRSA|SSL_DES |SSL_SHA1|SSL_SSLV3,
314 SSL3_TXT_RSA_DES_192_CBC3_SHA,
315 SSL3_CK_RSA_DES_192_CBC3_SHA,
316 SSL_kRSA|SSL_aRSA|SSL_3DES |SSL_SHA1|SSL_SSLV3,
317 SSL_NOT_EXP|SSL_HIGH,
329 SSL3_TXT_DH_DSS_DES_40_CBC_SHA,
330 SSL3_CK_DH_DSS_DES_40_CBC_SHA,
331 SSL_kDHd |SSL_aDH|SSL_DES|SSL_SHA1|SSL_SSLV3,
332 SSL_EXPORT|SSL_EXP40,
342 SSL3_TXT_DH_DSS_DES_64_CBC_SHA,
343 SSL3_CK_DH_DSS_DES_64_CBC_SHA,
344 SSL_kDHd |SSL_aDH|SSL_DES |SSL_SHA1|SSL_SSLV3,
355 SSL3_TXT_DH_DSS_DES_192_CBC3_SHA,
356 SSL3_CK_DH_DSS_DES_192_CBC3_SHA,
357 SSL_kDHd |SSL_aDH|SSL_3DES |SSL_SHA1|SSL_SSLV3,
358 SSL_NOT_EXP|SSL_HIGH,
368 SSL3_TXT_DH_RSA_DES_40_CBC_SHA,
369 SSL3_CK_DH_RSA_DES_40_CBC_SHA,
370 SSL_kDHr |SSL_aDH|SSL_DES|SSL_SHA1|SSL_SSLV3,
371 SSL_EXPORT|SSL_EXP40,
381 SSL3_TXT_DH_RSA_DES_64_CBC_SHA,
382 SSL3_CK_DH_RSA_DES_64_CBC_SHA,
383 SSL_kDHr |SSL_aDH|SSL_DES |SSL_SHA1|SSL_SSLV3,
394 SSL3_TXT_DH_RSA_DES_192_CBC3_SHA,
395 SSL3_CK_DH_RSA_DES_192_CBC3_SHA,
396 SSL_kDHr |SSL_aDH|SSL_3DES |SSL_SHA1|SSL_SSLV3,
397 SSL_NOT_EXP|SSL_HIGH,
405 /* The Ephemeral DH ciphers */
409 SSL3_TXT_EDH_DSS_DES_40_CBC_SHA,
410 SSL3_CK_EDH_DSS_DES_40_CBC_SHA,
411 SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA1|SSL_SSLV3,
412 SSL_EXPORT|SSL_EXP40,
422 SSL3_TXT_EDH_DSS_DES_64_CBC_SHA,
423 SSL3_CK_EDH_DSS_DES_64_CBC_SHA,
424 SSL_kEDH|SSL_aDSS|SSL_DES |SSL_SHA1|SSL_SSLV3,
435 SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA,
436 SSL3_CK_EDH_DSS_DES_192_CBC3_SHA,
437 SSL_kEDH|SSL_aDSS|SSL_3DES |SSL_SHA1|SSL_SSLV3,
438 SSL_NOT_EXP|SSL_HIGH,
448 SSL3_TXT_EDH_RSA_DES_40_CBC_SHA,
449 SSL3_CK_EDH_RSA_DES_40_CBC_SHA,
450 SSL_kEDH|SSL_aRSA|SSL_DES|SSL_SHA1|SSL_SSLV3,
451 SSL_EXPORT|SSL_EXP40,
461 SSL3_TXT_EDH_RSA_DES_64_CBC_SHA,
462 SSL3_CK_EDH_RSA_DES_64_CBC_SHA,
463 SSL_kEDH|SSL_aRSA|SSL_DES |SSL_SHA1|SSL_SSLV3,
474 SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA,
475 SSL3_CK_EDH_RSA_DES_192_CBC3_SHA,
476 SSL_kEDH|SSL_aRSA|SSL_3DES |SSL_SHA1|SSL_SSLV3,
477 SSL_NOT_EXP|SSL_HIGH,
489 SSL3_TXT_FZA_DMS_NULL_SHA,
490 SSL3_CK_FZA_DMS_NULL_SHA,
491 SSL_kFZA|SSL_aFZA |SSL_eNULL |SSL_SHA1|SSL_SSLV3,
503 SSL3_TXT_FZA_DMS_FZA_SHA,
504 SSL3_CK_FZA_DMS_FZA_SHA,
505 SSL_kFZA|SSL_aFZA |SSL_eFZA |SSL_SHA1|SSL_SSLV3,
517 SSL3_TXT_FZA_DMS_RC4_SHA,
518 SSL3_CK_FZA_DMS_RC4_SHA,
519 SSL_kFZA|SSL_aFZA |SSL_RC4 |SSL_SHA1|SSL_SSLV3,
528 #ifndef OPENSSL_NO_KRB5
529 /* The Kerberos ciphers
530 ** 20000107 VRS: And the first shall be last,
531 ** in hopes of avoiding the lynx ssl renegotiation problem.
536 SSL3_TXT_KRB5_DES_40_CBC_SHA,
537 SSL3_CK_KRB5_DES_40_CBC_SHA,
538 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_SHA1 |SSL_SSLV3,
539 SSL_EXPORT|SSL_EXP40,
550 SSL3_TXT_KRB5_DES_40_CBC_MD5,
551 SSL3_CK_KRB5_DES_40_CBC_MD5,
552 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_MD5 |SSL_SSLV3,
553 SSL_EXPORT|SSL_EXP40,
564 SSL3_TXT_KRB5_DES_64_CBC_SHA,
565 SSL3_CK_KRB5_DES_64_CBC_SHA,
566 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_SHA1 |SSL_SSLV3,
578 SSL3_TXT_KRB5_DES_64_CBC_MD5,
579 SSL3_CK_KRB5_DES_64_CBC_MD5,
580 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_MD5 |SSL_SSLV3,
592 SSL3_TXT_KRB5_DES_192_CBC3_SHA,
593 SSL3_CK_KRB5_DES_192_CBC3_SHA,
594 SSL_kKRB5|SSL_aKRB5| SSL_3DES|SSL_SHA1 |SSL_SSLV3,
595 SSL_NOT_EXP|SSL_HIGH,
606 SSL3_TXT_KRB5_DES_192_CBC3_MD5,
607 SSL3_CK_KRB5_DES_192_CBC3_MD5,
608 SSL_kKRB5|SSL_aKRB5| SSL_3DES|SSL_MD5 |SSL_SSLV3,
609 SSL_NOT_EXP|SSL_HIGH,
616 #endif /* OPENSSL_NO_KRB5 */
619 #if TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES
620 /* New TLS Export CipherSuites */
624 TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_MD5,
625 TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_MD5,
626 SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5|SSL_TLSV1,
627 SSL_EXPORT|SSL_EXP56,
637 TLS1_TXT_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
638 TLS1_CK_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
639 SSL_kRSA|SSL_aRSA|SSL_RC2|SSL_MD5|SSL_TLSV1,
640 SSL_EXPORT|SSL_EXP56,
650 TLS1_TXT_RSA_EXPORT1024_WITH_DES_CBC_SHA,
651 TLS1_CK_RSA_EXPORT1024_WITH_DES_CBC_SHA,
652 SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA|SSL_TLSV1,
653 SSL_EXPORT|SSL_EXP56,
663 TLS1_TXT_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
664 TLS1_CK_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
665 SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA|SSL_TLSV1,
666 SSL_EXPORT|SSL_EXP56,
676 TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_SHA,
677 TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_SHA,
678 SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_TLSV1,
679 SSL_EXPORT|SSL_EXP56,
689 TLS1_TXT_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
690 TLS1_CK_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
691 SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
692 SSL_EXPORT|SSL_EXP56,
702 TLS1_TXT_DHE_DSS_WITH_RC4_128_SHA,
703 TLS1_CK_DHE_DSS_WITH_RC4_128_SHA,
704 SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
713 /* New AES ciphersuites */
718 TLS1_TXT_RSA_WITH_AES_128_SHA,
719 TLS1_CK_RSA_WITH_AES_128_SHA,
720 SSL_kRSA|SSL_aRSA|SSL_AES|SSL_SHA |SSL_TLSV1,
721 SSL_NOT_EXP|SSL_MEDIUM,
731 TLS1_TXT_DH_DSS_WITH_AES_128_SHA,
732 TLS1_CK_DH_DSS_WITH_AES_128_SHA,
733 SSL_kDHd|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
734 SSL_NOT_EXP|SSL_MEDIUM,
744 TLS1_TXT_DH_RSA_WITH_AES_128_SHA,
745 TLS1_CK_DH_RSA_WITH_AES_128_SHA,
746 SSL_kDHr|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
747 SSL_NOT_EXP|SSL_MEDIUM,
757 TLS1_TXT_DHE_DSS_WITH_AES_128_SHA,
758 TLS1_CK_DHE_DSS_WITH_AES_128_SHA,
759 SSL_kEDH|SSL_aDSS|SSL_AES|SSL_SHA|SSL_TLSV1,
760 SSL_NOT_EXP|SSL_MEDIUM,
770 TLS1_TXT_DHE_RSA_WITH_AES_128_SHA,
771 TLS1_CK_DHE_RSA_WITH_AES_128_SHA,
772 SSL_kEDH|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1,
773 SSL_NOT_EXP|SSL_MEDIUM,
783 TLS1_TXT_ADH_WITH_AES_128_SHA,
784 TLS1_CK_ADH_WITH_AES_128_SHA,
785 SSL_kEDH|SSL_aNULL|SSL_AES|SSL_SHA|SSL_TLSV1,
786 SSL_NOT_EXP|SSL_MEDIUM,
797 TLS1_TXT_RSA_WITH_AES_256_SHA,
798 TLS1_CK_RSA_WITH_AES_256_SHA,
799 SSL_kRSA|SSL_aRSA|SSL_AES|SSL_SHA |SSL_TLSV1,
800 SSL_NOT_EXP|SSL_HIGH,
810 TLS1_TXT_DH_DSS_WITH_AES_256_SHA,
811 TLS1_CK_DH_DSS_WITH_AES_256_SHA,
812 SSL_kDHd|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
813 SSL_NOT_EXP|SSL_HIGH,
823 TLS1_TXT_DH_RSA_WITH_AES_256_SHA,
824 TLS1_CK_DH_RSA_WITH_AES_256_SHA,
825 SSL_kDHr|SSL_aDH|SSL_AES|SSL_SHA|SSL_TLSV1,
826 SSL_NOT_EXP|SSL_HIGH,
836 TLS1_TXT_DHE_DSS_WITH_AES_256_SHA,
837 TLS1_CK_DHE_DSS_WITH_AES_256_SHA,
838 SSL_kEDH|SSL_aDSS|SSL_AES|SSL_SHA|SSL_TLSV1,
839 SSL_NOT_EXP|SSL_HIGH,
849 TLS1_TXT_DHE_RSA_WITH_AES_256_SHA,
850 TLS1_CK_DHE_RSA_WITH_AES_256_SHA,
851 SSL_kEDH|SSL_aRSA|SSL_AES|SSL_SHA|SSL_TLSV1,
852 SSL_NOT_EXP|SSL_HIGH,
862 TLS1_TXT_ADH_WITH_AES_256_SHA,
863 TLS1_CK_ADH_WITH_AES_256_SHA,
864 SSL_kEDH|SSL_aNULL|SSL_AES|SSL_SHA|SSL_TLSV1,
865 SSL_NOT_EXP|SSL_HIGH,
876 static SSL3_ENC_METHOD SSLv3_enc_data={
879 ssl3_setup_key_block,
880 ssl3_generate_master_secret,
881 ssl3_change_cipher_state,
882 ssl3_final_finish_mac,
883 MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH,
884 ssl3_cert_verify_mac,
885 SSL3_MD_CLIENT_FINISHED_CONST,4,
886 SSL3_MD_SERVER_FINISHED_CONST,4,
890 static SSL_METHOD SSLv3_data= {
895 ssl_undefined_function,
896 ssl_undefined_function,
902 ssl3_renegotiate_check,
905 ssl3_get_cipher_by_char,
906 ssl3_put_cipher_by_char,
911 ssl3_default_timeout,
913 ssl_undefined_function,
915 ssl3_ctx_callback_ctrl,
918 static long ssl3_default_timeout(void)
920 /* 2 hours, the 24 hours mentioned in the SSLv3 spec
921 * is way too long for http, the cache would over fill */
925 SSL_METHOD *sslv3_base_method(void)
930 int ssl3_num_ciphers(void)
932 return(SSL3_NUM_CIPHERS);
935 SSL_CIPHER *ssl3_get_cipher(unsigned int u)
937 if (u < SSL3_NUM_CIPHERS)
938 return(&(ssl3_ciphers[SSL3_NUM_CIPHERS-1-u]));
943 int ssl3_pending(SSL *s)
945 return (s->s3->rrec.type == SSL3_RT_APPLICATION_DATA) ? s->s3->rrec.length : 0;
952 if ((s3=OPENSSL_malloc(sizeof *s3)) == NULL) goto err;
953 memset(s3,0,sizeof *s3);
957 s->method->ssl_clear(s);
963 void ssl3_free(SSL *s)
968 ssl3_cleanup_key_block(s);
969 if (s->s3->rbuf.buf != NULL)
970 OPENSSL_free(s->s3->rbuf.buf);
971 if (s->s3->wbuf.buf != NULL)
972 OPENSSL_free(s->s3->wbuf.buf);
973 if (s->s3->rrec.comp != NULL)
974 OPENSSL_free(s->s3->rrec.comp);
975 #ifndef OPENSSL_NO_DH
976 if (s->s3->tmp.dh != NULL)
977 DH_free(s->s3->tmp.dh);
979 if (s->s3->tmp.ca_names != NULL)
980 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
981 memset(s->s3,0,sizeof *s->s3);
986 void ssl3_clear(SSL *s)
988 unsigned char *rp,*wp;
990 ssl3_cleanup_key_block(s);
991 if (s->s3->tmp.ca_names != NULL)
992 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
994 if (s->s3->rrec.comp != NULL)
996 OPENSSL_free(s->s3->rrec.comp);
997 s->s3->rrec.comp=NULL;
999 #ifndef OPENSSL_NO_DH
1000 if (s->s3->tmp.dh != NULL)
1001 DH_free(s->s3->tmp.dh);
1007 memset(s->s3,0,sizeof *s->s3);
1008 if (rp != NULL) s->s3->rbuf.buf=rp;
1009 if (wp != NULL) s->s3->wbuf.buf=wp;
1011 ssl_free_wbio_buffer(s);
1014 s->s3->renegotiate=0;
1015 s->s3->total_renegotiations=0;
1016 s->s3->num_renegotiations=0;
1017 s->s3->in_read_app_data=0;
1018 s->version=SSL3_VERSION;
1021 long ssl3_ctrl(SSL *s, int cmd, long larg, char *parg)
1025 #if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_RSA)
1027 #ifndef OPENSSL_NO_RSA
1028 cmd == SSL_CTRL_SET_TMP_RSA ||
1029 cmd == SSL_CTRL_SET_TMP_RSA_CB ||
1031 #ifndef OPENSSL_NO_DSA
1032 cmd == SSL_CTRL_SET_TMP_DH ||
1033 cmd == SSL_CTRL_SET_TMP_DH_CB ||
1037 if (!ssl_cert_inst(&s->cert))
1039 SSLerr(SSL_F_SSL3_CTRL, ERR_R_MALLOC_FAILURE);
1047 case SSL_CTRL_GET_SESSION_REUSED:
1050 case SSL_CTRL_GET_CLIENT_CERT_REQUEST:
1052 case SSL_CTRL_GET_NUM_RENEGOTIATIONS:
1053 ret=s->s3->num_renegotiations;
1055 case SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS:
1056 ret=s->s3->num_renegotiations;
1057 s->s3->num_renegotiations=0;
1059 case SSL_CTRL_GET_TOTAL_RENEGOTIATIONS:
1060 ret=s->s3->total_renegotiations;
1062 case SSL_CTRL_GET_FLAGS:
1063 ret=(int)(s->s3->flags);
1065 #ifndef OPENSSL_NO_RSA
1066 case SSL_CTRL_NEED_TMP_RSA:
1067 if ((s->cert != NULL) && (s->cert->rsa_tmp == NULL) &&
1068 ((s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
1069 (EVP_PKEY_size(s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8))))
1072 case SSL_CTRL_SET_TMP_RSA:
1074 RSA *rsa = (RSA *)parg;
1077 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
1080 if ((rsa = RSAPrivateKey_dup(rsa)) == NULL)
1082 SSLerr(SSL_F_SSL3_CTRL, ERR_R_RSA_LIB);
1085 if (s->cert->rsa_tmp != NULL)
1086 RSA_free(s->cert->rsa_tmp);
1087 s->cert->rsa_tmp = rsa;
1091 case SSL_CTRL_SET_TMP_RSA_CB:
1093 SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1098 #ifndef OPENSSL_NO_DH
1099 case SSL_CTRL_SET_TMP_DH:
1101 DH *dh = (DH *)parg;
1104 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
1107 if ((dh = DHparams_dup(dh)) == NULL)
1109 SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
1112 if (!(s->options & SSL_OP_SINGLE_DH_USE))
1114 if (!DH_generate_key(dh))
1117 SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
1121 if (s->cert->dh_tmp != NULL)
1122 DH_free(s->cert->dh_tmp);
1123 s->cert->dh_tmp = dh;
1127 case SSL_CTRL_SET_TMP_DH_CB:
1129 SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1140 long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp)())
1144 #if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_RSA)
1146 #ifndef OPENSSL_NO_RSA
1147 cmd == SSL_CTRL_SET_TMP_RSA_CB ||
1149 #ifndef OPENSSL_NO_DSA
1150 cmd == SSL_CTRL_SET_TMP_DH_CB ||
1154 if (!ssl_cert_inst(&s->cert))
1156 SSLerr(SSL_F_SSL3_CALLBACK_CTRL, ERR_R_MALLOC_FAILURE);
1164 #ifndef OPENSSL_NO_RSA
1165 case SSL_CTRL_SET_TMP_RSA_CB:
1167 s->cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))fp;
1171 #ifndef OPENSSL_NO_DH
1172 case SSL_CTRL_SET_TMP_DH_CB:
1174 s->cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
1184 long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, char *parg)
1192 #ifndef OPENSSL_NO_RSA
1193 case SSL_CTRL_NEED_TMP_RSA:
1194 if ( (cert->rsa_tmp == NULL) &&
1195 ((cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
1196 (EVP_PKEY_size(cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8)))
1202 case SSL_CTRL_SET_TMP_RSA:
1213 if ((rsa=RSAPrivateKey_dup(rsa)) == NULL)
1218 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_RSA_LIB);
1223 if (cert->rsa_tmp != NULL)
1224 RSA_free(cert->rsa_tmp);
1230 case SSL_CTRL_SET_TMP_RSA_CB:
1232 SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1237 #ifndef OPENSSL_NO_DH
1238 case SSL_CTRL_SET_TMP_DH:
1243 if ((new=DHparams_dup(dh)) == NULL)
1245 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
1248 if (!(ctx->options & SSL_OP_SINGLE_DH_USE))
1250 if (!DH_generate_key(new))
1252 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
1257 if (cert->dh_tmp != NULL)
1258 DH_free(cert->dh_tmp);
1263 case SSL_CTRL_SET_TMP_DH_CB:
1265 SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1270 /* A Thawte special :-) */
1271 case SSL_CTRL_EXTRA_CHAIN_CERT:
1272 if (ctx->extra_certs == NULL)
1274 if ((ctx->extra_certs=sk_X509_new_null()) == NULL)
1277 sk_X509_push(ctx->extra_certs,(X509 *)parg);
1286 long ssl3_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)())
1294 #ifndef OPENSSL_NO_RSA
1295 case SSL_CTRL_SET_TMP_RSA_CB:
1297 cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))fp;
1301 #ifndef OPENSSL_NO_DH
1302 case SSL_CTRL_SET_TMP_DH_CB:
1304 cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
1314 /* This function needs to check if the ciphers required are actually
1316 SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p)
1319 static SSL_CIPHER *sorted[SSL3_NUM_CIPHERS];
1320 SSL_CIPHER c,*cp= &c,**cpp;
1326 CRYPTO_w_lock(CRYPTO_LOCK_SSL);
1328 for (i=0; i<SSL3_NUM_CIPHERS; i++)
1329 sorted[i]= &(ssl3_ciphers[i]);
1331 qsort( (char *)sorted,
1332 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
1333 FP_ICC ssl_cipher_ptr_id_cmp);
1335 CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
1340 id=0x03000000L|((unsigned long)p[0]<<8L)|(unsigned long)p[1];
1342 cpp=(SSL_CIPHER **)OBJ_bsearch((char *)&cp,
1344 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
1345 FP_ICC ssl_cipher_ptr_id_cmp);
1346 if ((cpp == NULL) || !(*cpp)->valid)
1352 int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p)
1359 if ((l & 0xff000000) != 0x03000000) return(0);
1360 p[0]=((unsigned char)(l>> 8L))&0xFF;
1361 p[1]=((unsigned char)(l ))&0xFF;
1366 SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt,
1367 STACK_OF(SSL_CIPHER) *srvr)
1369 SSL_CIPHER *c,*ret=NULL;
1370 STACK_OF(SSL_CIPHER) *prio, *allow;
1373 unsigned long alg,mask,emask;
1375 /* Let's see which ciphers we can support */
1379 /* Do not set the compare functions, because this may lead to a
1380 * reordering by "id". We want to keep the original ordering.
1381 * We may pay a price in performance during sk_SSL_CIPHER_find(),
1382 * but would have to pay with the price of sk_SSL_CIPHER_dup().
1384 sk_SSL_CIPHER_set_cmp_func(srvr, ssl_cipher_ptr_id_cmp);
1385 sk_SSL_CIPHER_set_cmp_func(clnt, ssl_cipher_ptr_id_cmp);
1389 printf("Server has %d from %p:\n", sk_SSL_CIPHER_num(srvr), srvr);
1390 for(i=0 ; i < sk_SSL_CIPHER_num(srvr) ; ++i)
1392 c=sk_SSL_CIPHER_value(srvr,i);
1393 printf("%p:%s\n",c,c->name);
1395 printf("Client sent %d from %p:\n", sk_SSL_CIPHER_num(clnt), clnt);
1396 for(i=0 ; i < sk_SSL_CIPHER_num(clnt) ; ++i)
1398 c=sk_SSL_CIPHER_value(clnt,i);
1399 printf("%p:%s\n",c,c->name);
1403 if (s->options & SSL_OP_CIPHER_SERVER_PREFERENCE)
1414 for (i=0; i<sk_SSL_CIPHER_num(prio); i++)
1416 c=sk_SSL_CIPHER_value(prio,i);
1418 ssl_set_cert_masks(cert,c);
1420 emask=cert->export_mask;
1423 printf("ssl3_choose_cipher %d alg= %lx\n", i,c->algorithms);
1424 #endif /* KSSL_DEBUG */
1426 alg=c->algorithms&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1427 #ifndef OPENSSL_NO_KRB5
1430 if ( !kssl_keytab_is_available(s->kssl_ctx) )
1433 #endif /* OPENSSL_NO_KRB5 */
1434 if (SSL_C_IS_EXPORT(c))
1436 ok=((alg & emask) == alg)?1:0;
1438 printf("%d:[%08lX:%08lX]%p:%s (export)\n",ok,alg,emask,
1444 ok=((alg & mask) == alg)?1:0;
1446 printf("%d:[%08lX:%08lX]%p:%s\n",ok,alg,mask,c,
1453 j=sk_SSL_CIPHER_find(allow,c);
1456 ret=sk_SSL_CIPHER_value(allow,j);
1463 int ssl3_get_req_cert_type(SSL *s, unsigned char *p)
1468 alg=s->s3->tmp.new_cipher->algorithms;
1470 #ifndef OPENSSL_NO_DH
1471 if (alg & (SSL_kDHr|SSL_kEDH))
1473 # ifndef OPENSSL_NO_RSA
1474 p[ret++]=SSL3_CT_RSA_FIXED_DH;
1476 # ifndef OPENSSL_NO_DSA
1477 p[ret++]=SSL3_CT_DSS_FIXED_DH;
1480 if ((s->version == SSL3_VERSION) &&
1481 (alg & (SSL_kEDH|SSL_kDHd|SSL_kDHr)))
1483 # ifndef OPENSSL_NO_RSA
1484 p[ret++]=SSL3_CT_RSA_EPHEMERAL_DH;
1486 # ifndef OPENSSL_NO_DSA
1487 p[ret++]=SSL3_CT_DSS_EPHEMERAL_DH;
1490 #endif /* !OPENSSL_NO_DH */
1491 #ifndef OPENSSL_NO_RSA
1492 p[ret++]=SSL3_CT_RSA_SIGN;
1494 #ifndef OPENSSL_NO_DSA
1495 p[ret++]=SSL3_CT_DSS_SIGN;
1500 int ssl3_shutdown(SSL *s)
1503 /* Don't do anything much if we have not done the handshake or
1504 * we don't want to send messages :-) */
1505 if ((s->quiet_shutdown) || (s->state == SSL_ST_BEFORE))
1507 s->shutdown=(SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1511 if (!(s->shutdown & SSL_SENT_SHUTDOWN))
1513 s->shutdown|=SSL_SENT_SHUTDOWN;
1515 ssl3_send_alert(s,SSL3_AL_WARNING,SSL_AD_CLOSE_NOTIFY);
1517 /* our shutdown alert has been sent now, and if it still needs
1518 * to be written, s->s3->alert_dispatch will be true */
1520 else if (s->s3->alert_dispatch)
1522 /* resend it if not sent */
1524 ssl3_dispatch_alert(s);
1527 else if (!(s->shutdown & SSL_RECEIVED_SHUTDOWN))
1529 /* If we are waiting for a close from our peer, we are closed */
1530 ssl3_read_bytes(s,0,NULL,0,0);
1533 if ((s->shutdown == (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN)) &&
1534 !s->s3->alert_dispatch)
1540 int ssl3_write(SSL *s, const void *buf, int len)
1545 if (s->shutdown & SSL_SEND_SHUTDOWN)
1547 s->rwstate=SSL_NOTHING;
1552 if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1554 /* This is an experimental flag that sends the
1555 * last handshake message in the same packet as the first
1556 * use data - used to see if it helps the TCP protocol during
1557 * session-id reuse */
1558 /* The second test is because the buffer may have been removed */
1559 if ((s->s3->flags & SSL3_FLAGS_POP_BUFFER) && (s->wbio == s->bbio))
1561 /* First time through, we write into the buffer */
1562 if (s->s3->delay_buf_pop_ret == 0)
1564 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1566 if (ret <= 0) return(ret);
1568 s->s3->delay_buf_pop_ret=ret;
1571 s->rwstate=SSL_WRITING;
1572 n=BIO_flush(s->wbio);
1573 if (n <= 0) return(n);
1574 s->rwstate=SSL_NOTHING;
1576 /* We have flushed the buffer, so remove it */
1577 ssl_free_wbio_buffer(s);
1578 s->s3->flags&= ~SSL3_FLAGS_POP_BUFFER;
1580 ret=s->s3->delay_buf_pop_ret;
1581 s->s3->delay_buf_pop_ret=0;
1585 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1587 if (ret <= 0) return(ret);
1593 static int ssl3_read_internal(SSL *s, void *buf, int len, int peek)
1598 if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1599 s->s3->in_read_app_data=1;
1600 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len,peek);
1601 if ((ret == -1) && (s->s3->in_read_app_data == 0))
1603 /* ssl3_read_bytes decided to call s->handshake_func, which
1604 * called ssl3_read_bytes to read handshake data.
1605 * However, ssl3_read_bytes actually found application data
1606 * and thinks that application data makes sense here (signalled
1607 * by resetting 'in_read_app_data', strangely); so disable
1608 * handshake processing and try to read application data again. */
1610 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len,peek);
1614 s->s3->in_read_app_data=0;
1619 int ssl3_read(SSL *s, void *buf, int len)
1621 return ssl3_read_internal(s, buf, len, 0);
1624 int ssl3_peek(SSL *s, void *buf, int len)
1626 return ssl3_read_internal(s, buf, len, 1);
1629 int ssl3_renegotiate(SSL *s)
1631 if (s->handshake_func == NULL)
1634 if (s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS)
1637 s->s3->renegotiate=1;
1641 int ssl3_renegotiate_check(SSL *s)
1645 if (s->s3->renegotiate)
1647 if ( (s->s3->rbuf.left == 0) &&
1648 (s->s3->wbuf.left == 0) &&
1652 if we are the server, and we have sent a 'RENEGOTIATE' message, we
1653 need to go to SSL_ST_ACCEPT.
1656 s->state=SSL_ST_RENEGOTIATE;
1657 s->s3->renegotiate=0;
1658 s->s3->num_renegotiations++;
1659 s->s3->total_renegotiations++;