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/md5.h>
114 #include <openssl/sha.h>
115 #include <openssl/objects.h>
116 #include "ssl_locl.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,
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,
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,
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,
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,
714 TLS1_TXT_RSA_WITH_RD_128_SHA,
715 TLS1_CK_RSA_WITH_RD_128_SHA,
716 SSL_kRSA|SSL_aRSA|SSL_RD|SSL_SHA |SSL_TLSV1,
717 SSL_NOT_EXP|SSL_HIGH,
729 static SSL3_ENC_METHOD SSLv3_enc_data={
732 ssl3_setup_key_block,
733 ssl3_generate_master_secret,
734 ssl3_change_cipher_state,
735 ssl3_final_finish_mac,
736 MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH,
737 ssl3_cert_verify_mac,
738 SSL3_MD_CLIENT_FINISHED_CONST,4,
739 SSL3_MD_SERVER_FINISHED_CONST,4,
743 static SSL_METHOD SSLv3_data= {
748 ssl_undefined_function,
749 ssl_undefined_function,
755 ssl3_renegotiate_check,
758 ssl3_get_cipher_by_char,
759 ssl3_put_cipher_by_char,
764 ssl3_default_timeout,
766 ssl_undefined_function,
768 ssl3_ctx_callback_ctrl,
771 static long ssl3_default_timeout(void)
773 /* 2 hours, the 24 hours mentioned in the SSLv3 spec
774 * is way too long for http, the cache would over fill */
778 SSL_METHOD *sslv3_base_method(void)
783 int ssl3_num_ciphers(void)
785 return(SSL3_NUM_CIPHERS);
788 SSL_CIPHER *ssl3_get_cipher(unsigned int u)
790 if (u < SSL3_NUM_CIPHERS)
791 return(&(ssl3_ciphers[SSL3_NUM_CIPHERS-1-u]));
796 int ssl3_pending(SSL *s)
798 return (s->s3->rrec.type == SSL3_RT_APPLICATION_DATA) ? s->s3->rrec.length : 0;
805 if ((s3=OPENSSL_malloc(sizeof *s3)) == NULL) goto err;
806 memset(s3,0,sizeof *s3);
810 s->method->ssl_clear(s);
816 void ssl3_free(SSL *s)
821 ssl3_cleanup_key_block(s);
822 if (s->s3->rbuf.buf != NULL)
823 OPENSSL_free(s->s3->rbuf.buf);
824 if (s->s3->wbuf.buf != NULL)
825 OPENSSL_free(s->s3->wbuf.buf);
826 if (s->s3->rrec.comp != NULL)
827 OPENSSL_free(s->s3->rrec.comp);
829 if (s->s3->tmp.dh != NULL)
830 DH_free(s->s3->tmp.dh);
832 if (s->s3->tmp.ca_names != NULL)
833 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
834 memset(s->s3,0,sizeof *s->s3);
839 void ssl3_clear(SSL *s)
841 unsigned char *rp,*wp;
843 ssl3_cleanup_key_block(s);
844 if (s->s3->tmp.ca_names != NULL)
845 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
847 if (s->s3->rrec.comp != NULL)
849 OPENSSL_free(s->s3->rrec.comp);
850 s->s3->rrec.comp=NULL;
853 if (s->s3->tmp.dh != NULL)
854 DH_free(s->s3->tmp.dh);
860 memset(s->s3,0,sizeof *s->s3);
861 if (rp != NULL) s->s3->rbuf.buf=rp;
862 if (wp != NULL) s->s3->wbuf.buf=wp;
864 ssl_free_wbio_buffer(s);
867 s->s3->renegotiate=0;
868 s->s3->total_renegotiations=0;
869 s->s3->num_renegotiations=0;
870 s->s3->in_read_app_data=0;
871 s->version=SSL3_VERSION;
874 long ssl3_ctrl(SSL *s, int cmd, long larg, char *parg)
878 #if !defined(NO_DSA) || !defined(NO_RSA)
881 cmd == SSL_CTRL_SET_TMP_RSA ||
882 cmd == SSL_CTRL_SET_TMP_RSA_CB ||
885 cmd == SSL_CTRL_SET_TMP_DH ||
886 cmd == SSL_CTRL_SET_TMP_DH_CB ||
890 if (!ssl_cert_inst(&s->cert))
892 SSLerr(SSL_F_SSL3_CTRL, ERR_R_MALLOC_FAILURE);
900 case SSL_CTRL_GET_SESSION_REUSED:
903 case SSL_CTRL_GET_CLIENT_CERT_REQUEST:
905 case SSL_CTRL_GET_NUM_RENEGOTIATIONS:
906 ret=s->s3->num_renegotiations;
908 case SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS:
909 ret=s->s3->num_renegotiations;
910 s->s3->num_renegotiations=0;
912 case SSL_CTRL_GET_TOTAL_RENEGOTIATIONS:
913 ret=s->s3->total_renegotiations;
915 case SSL_CTRL_GET_FLAGS:
916 ret=(int)(s->s3->flags);
919 case SSL_CTRL_NEED_TMP_RSA:
920 if ((s->cert != NULL) && (s->cert->rsa_tmp == NULL) &&
921 ((s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
922 (EVP_PKEY_size(s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8))))
925 case SSL_CTRL_SET_TMP_RSA:
927 RSA *rsa = (RSA *)parg;
930 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
933 if ((rsa = RSAPrivateKey_dup(rsa)) == NULL)
935 SSLerr(SSL_F_SSL3_CTRL, ERR_R_RSA_LIB);
938 if (s->cert->rsa_tmp != NULL)
939 RSA_free(s->cert->rsa_tmp);
940 s->cert->rsa_tmp = rsa;
944 case SSL_CTRL_SET_TMP_RSA_CB:
946 SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
952 case SSL_CTRL_SET_TMP_DH:
957 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
960 if ((dh = DHparams_dup(dh)) == NULL)
962 SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
965 if (!(s->options & SSL_OP_SINGLE_DH_USE))
967 if (!DH_generate_key(dh))
970 SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
974 if (s->cert->dh_tmp != NULL)
975 DH_free(s->cert->dh_tmp);
976 s->cert->dh_tmp = dh;
980 case SSL_CTRL_SET_TMP_DH_CB:
982 SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
993 long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp)())
997 #if !defined(NO_DSA) || !defined(NO_RSA)
1000 cmd == SSL_CTRL_SET_TMP_RSA_CB ||
1003 cmd == SSL_CTRL_SET_TMP_DH_CB ||
1007 if (!ssl_cert_inst(&s->cert))
1009 SSLerr(SSL_F_SSL3_CALLBACK_CTRL, ERR_R_MALLOC_FAILURE);
1018 case SSL_CTRL_SET_TMP_RSA_CB:
1020 s->cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))fp;
1025 case SSL_CTRL_SET_TMP_DH_CB:
1027 s->cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
1037 long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, char *parg)
1046 case SSL_CTRL_NEED_TMP_RSA:
1047 if ( (cert->rsa_tmp == NULL) &&
1048 ((cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
1049 (EVP_PKEY_size(cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8)))
1055 case SSL_CTRL_SET_TMP_RSA:
1066 if ((rsa=RSAPrivateKey_dup(rsa)) == NULL)
1071 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_RSA_LIB);
1076 if (cert->rsa_tmp != NULL)
1077 RSA_free(cert->rsa_tmp);
1083 case SSL_CTRL_SET_TMP_RSA_CB:
1085 SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1091 case SSL_CTRL_SET_TMP_DH:
1096 if ((new=DHparams_dup(dh)) == NULL)
1098 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
1101 if (!(ctx->options & SSL_OP_SINGLE_DH_USE))
1103 if (!DH_generate_key(new))
1105 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
1110 if (cert->dh_tmp != NULL)
1111 DH_free(cert->dh_tmp);
1116 case SSL_CTRL_SET_TMP_DH_CB:
1118 SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1123 /* A Thawte special :-) */
1124 case SSL_CTRL_EXTRA_CHAIN_CERT:
1125 if (ctx->extra_certs == NULL)
1127 if ((ctx->extra_certs=sk_X509_new_null()) == NULL)
1130 sk_X509_push(ctx->extra_certs,(X509 *)parg);
1139 long ssl3_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)())
1148 case SSL_CTRL_SET_TMP_RSA_CB:
1150 cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))fp;
1155 case SSL_CTRL_SET_TMP_DH_CB:
1157 cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
1167 /* This function needs to check if the ciphers required are actually
1169 SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p)
1172 static SSL_CIPHER *sorted[SSL3_NUM_CIPHERS];
1173 SSL_CIPHER c,*cp= &c,**cpp;
1179 CRYPTO_w_lock(CRYPTO_LOCK_SSL);
1181 for (i=0; i<SSL3_NUM_CIPHERS; i++)
1182 sorted[i]= &(ssl3_ciphers[i]);
1184 qsort( (char *)sorted,
1185 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
1186 FP_ICC ssl_cipher_ptr_id_cmp);
1188 CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
1193 id=0x03000000L|((unsigned long)p[0]<<8L)|(unsigned long)p[1];
1195 cpp=(SSL_CIPHER **)OBJ_bsearch((char *)&cp,
1197 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
1198 FP_ICC ssl_cipher_ptr_id_cmp);
1199 if ((cpp == NULL) || !(*cpp)->valid)
1205 int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p)
1212 if ((l & 0xff000000) != 0x03000000) return(0);
1213 p[0]=((unsigned char)(l>> 8L))&0xFF;
1214 p[1]=((unsigned char)(l ))&0xFF;
1219 SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *have,
1220 STACK_OF(SSL_CIPHER) *pref)
1222 SSL_CIPHER *c,*ret=NULL;
1225 unsigned long alg,mask,emask;
1227 /* Let's see which ciphers we can support */
1230 sk_SSL_CIPHER_set_cmp_func(pref,ssl_cipher_ptr_id_cmp);
1233 printf("Have %d from %p:\n", sk_SSL_CIPHER_num(pref), pref);
1234 for(i=0 ; i < sk_SSL_CIPHER_num(pref) ; ++i)
1236 c=sk_SSL_CIPHER_value(pref,i);
1237 printf("%p:%s\n",c,c->name);
1241 for (i=0; i<sk_SSL_CIPHER_num(have); i++)
1243 c=sk_SSL_CIPHER_value(have,i);
1245 ssl_set_cert_masks(cert,c);
1247 emask=cert->export_mask;
1250 printf("ssl3_choose_cipher %d alg= %lx\n", i,c->algorithms);
1251 #endif /* KSSL_DEBUG */
1253 alg=c->algorithms&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1254 if (SSL_C_IS_EXPORT(c))
1256 ok=((alg & emask) == alg)?1:0;
1258 printf("%d:[%08lX:%08lX]%p:%s (export)\n",ok,alg,emask,
1264 ok=((alg & mask) == alg)?1:0;
1266 printf("%d:[%08lX:%08lX]%p:%s\n",ok,alg,mask,c,
1273 j=sk_SSL_CIPHER_find(pref,c);
1276 ret=sk_SSL_CIPHER_value(pref,j);
1283 int ssl3_get_req_cert_type(SSL *s, unsigned char *p)
1288 alg=s->s3->tmp.new_cipher->algorithms;
1291 if (alg & (SSL_kDHr|SSL_kEDH))
1294 p[ret++]=SSL3_CT_RSA_FIXED_DH;
1297 p[ret++]=SSL3_CT_DSS_FIXED_DH;
1300 if ((s->version == SSL3_VERSION) &&
1301 (alg & (SSL_kEDH|SSL_kDHd|SSL_kDHr)))
1304 p[ret++]=SSL3_CT_RSA_EPHEMERAL_DH;
1307 p[ret++]=SSL3_CT_DSS_EPHEMERAL_DH;
1312 p[ret++]=SSL3_CT_RSA_SIGN;
1315 p[ret++]=SSL3_CT_DSS_SIGN;
1320 int ssl3_shutdown(SSL *s)
1323 /* Don't do anything much if we have not done the handshake or
1324 * we don't want to send messages :-) */
1325 if ((s->quiet_shutdown) || (s->state == SSL_ST_BEFORE))
1327 s->shutdown=(SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1331 if (!(s->shutdown & SSL_SENT_SHUTDOWN))
1333 s->shutdown|=SSL_SENT_SHUTDOWN;
1335 ssl3_send_alert(s,SSL3_AL_WARNING,SSL_AD_CLOSE_NOTIFY);
1337 /* our shutdown alert has been sent now, and if it still needs
1338 * to be written, s->s3->alert_dispatch will be true */
1340 else if (s->s3->alert_dispatch)
1342 /* resend it if not sent */
1344 ssl3_dispatch_alert(s);
1347 else if (!(s->shutdown & SSL_RECEIVED_SHUTDOWN))
1349 /* If we are waiting for a close from our peer, we are closed */
1350 ssl3_read_bytes(s,0,NULL,0,0);
1353 if ((s->shutdown == (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN)) &&
1354 !s->s3->alert_dispatch)
1360 int ssl3_write(SSL *s, const void *buf, int len)
1365 if (s->shutdown & SSL_SEND_SHUTDOWN)
1367 s->rwstate=SSL_NOTHING;
1372 if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1374 /* This is an experimental flag that sends the
1375 * last handshake message in the same packet as the first
1376 * use data - used to see if it helps the TCP protocol during
1377 * session-id reuse */
1378 /* The second test is because the buffer may have been removed */
1379 if ((s->s3->flags & SSL3_FLAGS_POP_BUFFER) && (s->wbio == s->bbio))
1381 /* First time through, we write into the buffer */
1382 if (s->s3->delay_buf_pop_ret == 0)
1384 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1386 if (ret <= 0) return(ret);
1388 s->s3->delay_buf_pop_ret=ret;
1391 s->rwstate=SSL_WRITING;
1392 n=BIO_flush(s->wbio);
1393 if (n <= 0) return(n);
1394 s->rwstate=SSL_NOTHING;
1396 /* We have flushed the buffer, so remove it */
1397 ssl_free_wbio_buffer(s);
1398 s->s3->flags&= ~SSL3_FLAGS_POP_BUFFER;
1400 ret=s->s3->delay_buf_pop_ret;
1401 s->s3->delay_buf_pop_ret=0;
1405 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1407 if (ret <= 0) return(ret);
1413 static int ssl3_read_internal(SSL *s, void *buf, int len, int peek)
1418 if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1419 s->s3->in_read_app_data=1;
1420 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len,peek);
1421 if ((ret == -1) && (s->s3->in_read_app_data == 0))
1423 /* ssl3_read_bytes decided to call s->handshake_func, which
1424 * called ssl3_read_bytes to read handshake data.
1425 * However, ssl3_read_bytes actually found application data
1426 * and thinks that application data makes sense here (signalled
1427 * by resetting 'in_read_app_data', strangely); so disable
1428 * handshake processing and try to read application data again. */
1430 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len,peek);
1434 s->s3->in_read_app_data=0;
1439 int ssl3_read(SSL *s, void *buf, int len)
1441 return ssl3_read_internal(s, buf, len, 0);
1444 int ssl3_peek(SSL *s, char *buf, int len)
1446 return ssl3_read_internal(s, buf, len, 1);
1449 int ssl3_renegotiate(SSL *s)
1451 if (s->handshake_func == NULL)
1454 if (s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS)
1457 s->s3->renegotiate=1;
1461 int ssl3_renegotiate_check(SSL *s)
1465 if (s->s3->renegotiate)
1467 if ( (s->s3->rbuf.left == 0) &&
1468 (s->s3->wbuf.left == 0) &&
1472 if we are the server, and we have sent a 'RENEGOTIATE' message, we
1473 need to go to SSL_ST_ACCEPT.
1476 s->state=SSL_ST_RENEGOTIATE;
1477 s->s3->renegotiate=0;
1478 s->s3->num_renegotiations++;
1479 s->s3->total_renegotiations++;