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.]
60 #include <openssl/md5.h>
61 #include <openssl/sha.h>
62 #include <openssl/objects.h>
65 const char *ssl3_version_str="SSLv3" OPENSSL_VERSION_PTEXT;
67 #define SSL3_NUM_CIPHERS (sizeof(ssl3_ciphers)/sizeof(SSL_CIPHER))
69 static long ssl3_default_timeout(void );
71 OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
76 SSL3_TXT_RSA_NULL_MD5,
78 SSL_kRSA|SSL_aRSA|SSL_eNULL |SSL_MD5|SSL_SSLV3,
89 SSL3_TXT_RSA_NULL_SHA,
91 SSL_kRSA|SSL_aRSA|SSL_eNULL |SSL_SHA1|SSL_SSLV3,
104 SSL3_TXT_ADH_RC4_40_MD5,
105 SSL3_CK_ADH_RC4_40_MD5,
106 SSL_kEDH |SSL_aNULL|SSL_RC4 |SSL_MD5 |SSL_SSLV3,
107 SSL_EXPORT|SSL_EXP40,
117 SSL3_TXT_ADH_RC4_128_MD5,
118 SSL3_CK_ADH_RC4_128_MD5,
119 SSL_kEDH |SSL_aNULL|SSL_RC4 |SSL_MD5 |SSL_SSLV3,
130 SSL3_TXT_ADH_DES_40_CBC_SHA,
131 SSL3_CK_ADH_DES_40_CBC_SHA,
132 SSL_kEDH |SSL_aNULL|SSL_DES|SSL_SHA1|SSL_SSLV3,
133 SSL_EXPORT|SSL_EXP40,
143 SSL3_TXT_ADH_DES_64_CBC_SHA,
144 SSL3_CK_ADH_DES_64_CBC_SHA,
145 SSL_kEDH |SSL_aNULL|SSL_DES |SSL_SHA1|SSL_SSLV3,
156 SSL3_TXT_ADH_DES_192_CBC_SHA,
157 SSL3_CK_ADH_DES_192_CBC_SHA,
158 SSL_kEDH |SSL_aNULL|SSL_3DES |SSL_SHA1|SSL_SSLV3,
171 SSL3_TXT_RSA_RC4_40_MD5,
172 SSL3_CK_RSA_RC4_40_MD5,
173 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_MD5 |SSL_SSLV3,
174 SSL_EXPORT|SSL_EXP40,
184 SSL3_TXT_RSA_RC4_128_MD5,
185 SSL3_CK_RSA_RC4_128_MD5,
186 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_MD5|SSL_SSLV3,
187 SSL_NOT_EXP|SSL_MEDIUM,
197 SSL3_TXT_RSA_RC4_128_SHA,
198 SSL3_CK_RSA_RC4_128_SHA,
199 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_SHA1|SSL_SSLV3,
200 SSL_NOT_EXP|SSL_MEDIUM,
210 SSL3_TXT_RSA_RC2_40_MD5,
211 SSL3_CK_RSA_RC2_40_MD5,
212 SSL_kRSA|SSL_aRSA|SSL_RC2 |SSL_MD5 |SSL_SSLV3,
213 SSL_EXPORT|SSL_EXP40,
223 SSL3_TXT_RSA_IDEA_128_SHA,
224 SSL3_CK_RSA_IDEA_128_SHA,
225 SSL_kRSA|SSL_aRSA|SSL_IDEA |SSL_SHA1|SSL_SSLV3,
226 SSL_NOT_EXP|SSL_MEDIUM,
236 SSL3_TXT_RSA_DES_40_CBC_SHA,
237 SSL3_CK_RSA_DES_40_CBC_SHA,
238 SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA1|SSL_SSLV3,
239 SSL_EXPORT|SSL_EXP40,
249 SSL3_TXT_RSA_DES_64_CBC_SHA,
250 SSL3_CK_RSA_DES_64_CBC_SHA,
251 SSL_kRSA|SSL_aRSA|SSL_DES |SSL_SHA1|SSL_SSLV3,
262 SSL3_TXT_RSA_DES_192_CBC3_SHA,
263 SSL3_CK_RSA_DES_192_CBC3_SHA,
264 SSL_kRSA|SSL_aRSA|SSL_3DES |SSL_SHA1|SSL_SSLV3,
265 SSL_NOT_EXP|SSL_HIGH,
277 SSL3_TXT_DH_DSS_DES_40_CBC_SHA,
278 SSL3_CK_DH_DSS_DES_40_CBC_SHA,
279 SSL_kDHd |SSL_aDH|SSL_DES|SSL_SHA1|SSL_SSLV3,
280 SSL_EXPORT|SSL_EXP40,
290 SSL3_TXT_DH_DSS_DES_64_CBC_SHA,
291 SSL3_CK_DH_DSS_DES_64_CBC_SHA,
292 SSL_kDHd |SSL_aDH|SSL_DES |SSL_SHA1|SSL_SSLV3,
303 SSL3_TXT_DH_DSS_DES_192_CBC3_SHA,
304 SSL3_CK_DH_DSS_DES_192_CBC3_SHA,
305 SSL_kDHd |SSL_aDH|SSL_3DES |SSL_SHA1|SSL_SSLV3,
306 SSL_NOT_EXP|SSL_HIGH,
316 SSL3_TXT_DH_RSA_DES_40_CBC_SHA,
317 SSL3_CK_DH_RSA_DES_40_CBC_SHA,
318 SSL_kDHr |SSL_aDH|SSL_DES|SSL_SHA1|SSL_SSLV3,
319 SSL_EXPORT|SSL_EXP40,
329 SSL3_TXT_DH_RSA_DES_64_CBC_SHA,
330 SSL3_CK_DH_RSA_DES_64_CBC_SHA,
331 SSL_kDHr |SSL_aDH|SSL_DES |SSL_SHA1|SSL_SSLV3,
342 SSL3_TXT_DH_RSA_DES_192_CBC3_SHA,
343 SSL3_CK_DH_RSA_DES_192_CBC3_SHA,
344 SSL_kDHr |SSL_aDH|SSL_3DES |SSL_SHA1|SSL_SSLV3,
345 SSL_NOT_EXP|SSL_HIGH,
353 /* The Ephemeral DH ciphers */
357 SSL3_TXT_EDH_DSS_DES_40_CBC_SHA,
358 SSL3_CK_EDH_DSS_DES_40_CBC_SHA,
359 SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA1|SSL_SSLV3,
360 SSL_EXPORT|SSL_EXP40,
370 SSL3_TXT_EDH_DSS_DES_64_CBC_SHA,
371 SSL3_CK_EDH_DSS_DES_64_CBC_SHA,
372 SSL_kEDH|SSL_aDSS|SSL_DES |SSL_SHA1|SSL_SSLV3,
383 SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA,
384 SSL3_CK_EDH_DSS_DES_192_CBC3_SHA,
385 SSL_kEDH|SSL_aDSS|SSL_3DES |SSL_SHA1|SSL_SSLV3,
386 SSL_NOT_EXP|SSL_HIGH,
396 SSL3_TXT_EDH_RSA_DES_40_CBC_SHA,
397 SSL3_CK_EDH_RSA_DES_40_CBC_SHA,
398 SSL_kEDH|SSL_aRSA|SSL_DES|SSL_SHA1|SSL_SSLV3,
399 SSL_EXPORT|SSL_EXP40,
409 SSL3_TXT_EDH_RSA_DES_64_CBC_SHA,
410 SSL3_CK_EDH_RSA_DES_64_CBC_SHA,
411 SSL_kEDH|SSL_aRSA|SSL_DES |SSL_SHA1|SSL_SSLV3,
422 SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA,
423 SSL3_CK_EDH_RSA_DES_192_CBC3_SHA,
424 SSL_kEDH|SSL_aRSA|SSL_3DES |SSL_SHA1|SSL_SSLV3,
425 SSL_NOT_EXP|SSL_HIGH,
437 SSL3_TXT_FZA_DMS_NULL_SHA,
438 SSL3_CK_FZA_DMS_NULL_SHA,
439 SSL_kFZA|SSL_aFZA |SSL_eNULL |SSL_SHA1|SSL_SSLV3,
451 SSL3_TXT_FZA_DMS_FZA_SHA,
452 SSL3_CK_FZA_DMS_FZA_SHA,
453 SSL_kFZA|SSL_aFZA |SSL_eFZA |SSL_SHA1|SSL_SSLV3,
465 SSL3_TXT_FZA_DMS_RC4_SHA,
466 SSL3_CK_FZA_DMS_RC4_SHA,
467 SSL_kFZA|SSL_aFZA |SSL_RC4 |SSL_SHA1|SSL_SSLV3,
477 /* The Kerberos ciphers
478 ** 20000107 VRS: And the first shall be last,
479 ** in hopes of avoiding the lynx ssl renegotiation problem.
484 SSL3_TXT_KRB5_DES_40_CBC_SHA,
485 SSL3_CK_KRB5_DES_40_CBC_SHA,
486 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_SHA1 |SSL_SSLV3,
487 SSL_EXPORT|SSL_EXP40,
498 SSL3_TXT_KRB5_DES_40_CBC_MD5,
499 SSL3_CK_KRB5_DES_40_CBC_MD5,
500 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_MD5 |SSL_SSLV3,
501 SSL_EXPORT|SSL_EXP40,
512 SSL3_TXT_KRB5_DES_64_CBC_SHA,
513 SSL3_CK_KRB5_DES_64_CBC_SHA,
514 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_SHA1 |SSL_SSLV3,
526 SSL3_TXT_KRB5_DES_64_CBC_MD5,
527 SSL3_CK_KRB5_DES_64_CBC_MD5,
528 SSL_kKRB5|SSL_aKRB5| SSL_DES|SSL_MD5 |SSL_SSLV3,
540 SSL3_TXT_KRB5_DES_192_CBC3_SHA,
541 SSL3_CK_KRB5_DES_192_CBC3_SHA,
542 SSL_kKRB5|SSL_aKRB5| SSL_3DES|SSL_SHA1 |SSL_SSLV3,
543 SSL_NOT_EXP|SSL_HIGH,
554 SSL3_TXT_KRB5_DES_192_CBC3_MD5,
555 SSL3_CK_KRB5_DES_192_CBC3_MD5,
556 SSL_kKRB5|SSL_aKRB5| SSL_3DES|SSL_MD5 |SSL_SSLV3,
557 SSL_NOT_EXP|SSL_HIGH,
565 #if TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES
566 /* New TLS Export CipherSuites */
570 TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_MD5,
571 TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_MD5,
572 SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5|SSL_TLSV1,
573 SSL_EXPORT|SSL_EXP56,
583 TLS1_TXT_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
584 TLS1_CK_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
585 SSL_kRSA|SSL_aRSA|SSL_RC2|SSL_MD5|SSL_TLSV1,
586 SSL_EXPORT|SSL_EXP56,
596 TLS1_TXT_RSA_EXPORT1024_WITH_DES_CBC_SHA,
597 TLS1_CK_RSA_EXPORT1024_WITH_DES_CBC_SHA,
598 SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA|SSL_TLSV1,
599 SSL_EXPORT|SSL_EXP56,
609 TLS1_TXT_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
610 TLS1_CK_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
611 SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA|SSL_TLSV1,
612 SSL_EXPORT|SSL_EXP56,
622 TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_SHA,
623 TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_SHA,
624 SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_TLSV1,
625 SSL_EXPORT|SSL_EXP56,
635 TLS1_TXT_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
636 TLS1_CK_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
637 SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
638 SSL_EXPORT|SSL_EXP56,
648 TLS1_TXT_DHE_DSS_WITH_RC4_128_SHA,
649 TLS1_CK_DHE_DSS_WITH_RC4_128_SHA,
650 SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
663 static SSL3_ENC_METHOD SSLv3_enc_data={
666 ssl3_setup_key_block,
667 ssl3_generate_master_secret,
668 ssl3_change_cipher_state,
669 ssl3_final_finish_mac,
670 MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH,
671 ssl3_cert_verify_mac,
672 SSL3_MD_CLIENT_FINISHED_CONST,4,
673 SSL3_MD_SERVER_FINISHED_CONST,4,
677 static SSL_METHOD SSLv3_data= {
682 ssl_undefined_function,
683 ssl_undefined_function,
689 ssl3_renegotiate_check,
692 ssl3_get_cipher_by_char,
693 ssl3_put_cipher_by_char,
698 ssl3_default_timeout,
700 ssl_undefined_function,
702 ssl3_ctx_callback_ctrl,
705 static long ssl3_default_timeout(void)
707 /* 2 hours, the 24 hours mentioned in the SSLv3 spec
708 * is way too long for http, the cache would over fill */
712 SSL_METHOD *sslv3_base_method(void)
717 int ssl3_num_ciphers(void)
719 return(SSL3_NUM_CIPHERS);
722 SSL_CIPHER *ssl3_get_cipher(unsigned int u)
724 if (u < SSL3_NUM_CIPHERS)
725 return(&(ssl3_ciphers[SSL3_NUM_CIPHERS-1-u]));
730 int ssl3_pending(SSL *s)
732 /* The problem is that it may not be the correct record type */
733 return(s->s3->rrec.length); /* FIXME */
740 if ((s3=OPENSSL_malloc(sizeof *s3)) == NULL) goto err;
741 memset(s3,0,sizeof *s3);
745 s->method->ssl_clear(s);
751 void ssl3_free(SSL *s)
756 ssl3_cleanup_key_block(s);
757 if (s->s3->rbuf.buf != NULL)
758 OPENSSL_free(s->s3->rbuf.buf);
759 if (s->s3->wbuf.buf != NULL)
760 OPENSSL_free(s->s3->wbuf.buf);
761 if (s->s3->rrec.comp != NULL)
762 OPENSSL_free(s->s3->rrec.comp);
764 if (s->s3->tmp.dh != NULL)
765 DH_free(s->s3->tmp.dh);
767 if (s->s3->tmp.ca_names != NULL)
768 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
769 memset(s->s3,0,sizeof *s->s3);
774 void ssl3_clear(SSL *s)
776 unsigned char *rp,*wp;
778 ssl3_cleanup_key_block(s);
779 if (s->s3->tmp.ca_names != NULL)
780 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
782 if (s->s3->rrec.comp != NULL)
784 OPENSSL_free(s->s3->rrec.comp);
785 s->s3->rrec.comp=NULL;
788 if (s->s3->tmp.dh != NULL)
789 DH_free(s->s3->tmp.dh);
795 memset(s->s3,0,sizeof *s->s3);
796 if (rp != NULL) s->s3->rbuf.buf=rp;
797 if (wp != NULL) s->s3->wbuf.buf=wp;
799 ssl_free_wbio_buffer(s);
802 s->s3->renegotiate=0;
803 s->s3->total_renegotiations=0;
804 s->s3->num_renegotiations=0;
805 s->s3->in_read_app_data=0;
806 s->version=SSL3_VERSION;
809 long ssl3_ctrl(SSL *s, int cmd, long larg, char *parg)
813 #if !defined(NO_DSA) || !defined(NO_RSA)
816 cmd == SSL_CTRL_SET_TMP_RSA ||
817 cmd == SSL_CTRL_SET_TMP_RSA_CB ||
820 cmd == SSL_CTRL_SET_TMP_DH ||
821 cmd == SSL_CTRL_SET_TMP_DH_CB ||
825 if (!ssl_cert_inst(&s->cert))
827 SSLerr(SSL_F_SSL3_CTRL, ERR_R_MALLOC_FAILURE);
835 case SSL_CTRL_GET_SESSION_REUSED:
838 case SSL_CTRL_GET_CLIENT_CERT_REQUEST:
840 case SSL_CTRL_GET_NUM_RENEGOTIATIONS:
841 ret=s->s3->num_renegotiations;
843 case SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS:
844 ret=s->s3->num_renegotiations;
845 s->s3->num_renegotiations=0;
847 case SSL_CTRL_GET_TOTAL_RENEGOTIATIONS:
848 ret=s->s3->total_renegotiations;
850 case SSL_CTRL_GET_FLAGS:
851 ret=(int)(s->s3->flags);
854 case SSL_CTRL_NEED_TMP_RSA:
855 if ((s->cert != NULL) && (s->cert->rsa_tmp == NULL) &&
856 ((s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
857 (EVP_PKEY_size(s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8))))
860 case SSL_CTRL_SET_TMP_RSA:
862 RSA *rsa = (RSA *)parg;
865 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
868 if ((rsa = RSAPrivateKey_dup(rsa)) == NULL)
870 SSLerr(SSL_F_SSL3_CTRL, ERR_R_RSA_LIB);
873 if (s->cert->rsa_tmp != NULL)
874 RSA_free(s->cert->rsa_tmp);
875 s->cert->rsa_tmp = rsa;
879 case SSL_CTRL_SET_TMP_RSA_CB:
881 SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
887 case SSL_CTRL_SET_TMP_DH:
892 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
895 if ((dh = DHparams_dup(dh)) == NULL)
897 SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
900 if (!(s->options & SSL_OP_SINGLE_DH_USE))
902 if (!DH_generate_key(dh))
905 SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
909 if (s->cert->dh_tmp != NULL)
910 DH_free(s->cert->dh_tmp);
911 s->cert->dh_tmp = dh;
915 case SSL_CTRL_SET_TMP_DH_CB:
917 SSLerr(SSL_F_SSL3_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
928 long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp)())
932 #if !defined(NO_DSA) || !defined(NO_RSA)
935 cmd == SSL_CTRL_SET_TMP_RSA_CB ||
938 cmd == SSL_CTRL_SET_TMP_DH_CB ||
942 if (!ssl_cert_inst(&s->cert))
944 SSLerr(SSL_F_SSL3_CALLBACK_CTRL, ERR_R_MALLOC_FAILURE);
953 case SSL_CTRL_SET_TMP_RSA_CB:
955 s->cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))fp;
960 case SSL_CTRL_SET_TMP_DH_CB:
962 s->cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
972 long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, char *parg)
981 case SSL_CTRL_NEED_TMP_RSA:
982 if ( (cert->rsa_tmp == NULL) &&
983 ((cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
984 (EVP_PKEY_size(cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8)))
990 case SSL_CTRL_SET_TMP_RSA:
1001 if ((rsa=RSAPrivateKey_dup(rsa)) == NULL)
1006 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_RSA_LIB);
1011 if (cert->rsa_tmp != NULL)
1012 RSA_free(cert->rsa_tmp);
1018 case SSL_CTRL_SET_TMP_RSA_CB:
1020 SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1026 case SSL_CTRL_SET_TMP_DH:
1031 if ((new=DHparams_dup(dh)) == NULL)
1033 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
1036 if (!(ctx->options & SSL_OP_SINGLE_DH_USE))
1038 if (!DH_generate_key(new))
1040 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
1045 if (cert->dh_tmp != NULL)
1046 DH_free(cert->dh_tmp);
1051 case SSL_CTRL_SET_TMP_DH_CB:
1053 SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1058 /* A Thawte special :-) */
1059 case SSL_CTRL_EXTRA_CHAIN_CERT:
1060 if (ctx->extra_certs == NULL)
1062 if ((ctx->extra_certs=sk_X509_new_null()) == NULL)
1065 sk_X509_push(ctx->extra_certs,(X509 *)parg);
1074 long ssl3_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)())
1083 case SSL_CTRL_SET_TMP_RSA_CB:
1085 cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))fp;
1090 case SSL_CTRL_SET_TMP_DH_CB:
1092 cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
1102 /* This function needs to check if the ciphers required are actually
1104 SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p)
1107 static SSL_CIPHER *sorted[SSL3_NUM_CIPHERS];
1108 SSL_CIPHER c,*cp= &c,**cpp;
1114 CRYPTO_w_lock(CRYPTO_LOCK_SSL);
1116 for (i=0; i<SSL3_NUM_CIPHERS; i++)
1117 sorted[i]= &(ssl3_ciphers[i]);
1119 qsort( (char *)sorted,
1120 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
1121 FP_ICC ssl_cipher_ptr_id_cmp);
1123 CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
1128 id=0x03000000L|((unsigned long)p[0]<<8L)|(unsigned long)p[1];
1130 cpp=(SSL_CIPHER **)OBJ_bsearch((char *)&cp,
1132 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
1133 FP_ICC ssl_cipher_ptr_id_cmp);
1134 if ((cpp == NULL) || !(*cpp)->valid)
1140 int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p)
1147 if ((l & 0xff000000) != 0x03000000) return(0);
1148 p[0]=((unsigned char)(l>> 8L))&0xFF;
1149 p[1]=((unsigned char)(l ))&0xFF;
1154 SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *have,
1155 STACK_OF(SSL_CIPHER) *pref)
1157 SSL_CIPHER *c,*ret=NULL;
1160 unsigned long alg,mask,emask;
1162 /* Let's see which ciphers we can support */
1165 sk_SSL_CIPHER_set_cmp_func(pref,ssl_cipher_ptr_id_cmp);
1168 printf("Have %d from %p:\n", sk_SSL_CIPHER_num(pref), pref);
1169 for(i=0 ; i < sk_SSL_CIPHER_num(pref) ; ++i)
1171 c=sk_SSL_CIPHER_value(pref,i);
1172 printf("%p:%s\n",c,c->name);
1176 for (i=0; i<sk_SSL_CIPHER_num(have); i++)
1178 c=sk_SSL_CIPHER_value(have,i);
1180 ssl_set_cert_masks(cert,c);
1182 emask=cert->export_mask;
1185 printf("ssl3_choose_cipher %d alg= %lx\n", i,c->algorithms);
1186 #endif /* KSSL_DEBUG */
1188 alg=c->algorithms&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1189 if (SSL_C_IS_EXPORT(c))
1191 ok=((alg & emask) == alg)?1:0;
1193 printf("%d:[%08lX:%08lX]%p:%s (export)\n",ok,alg,emask,
1199 ok=((alg & mask) == alg)?1:0;
1201 printf("%d:[%08lX:%08lX]%p:%s\n",ok,alg,mask,c,
1208 j=sk_SSL_CIPHER_find(pref,c);
1211 ret=sk_SSL_CIPHER_value(pref,j);
1218 int ssl3_get_req_cert_type(SSL *s, unsigned char *p)
1223 alg=s->s3->tmp.new_cipher->algorithms;
1226 if (alg & (SSL_kDHr|SSL_kEDH))
1229 p[ret++]=SSL3_CT_RSA_FIXED_DH;
1232 p[ret++]=SSL3_CT_DSS_FIXED_DH;
1235 if ((s->version == SSL3_VERSION) &&
1236 (alg & (SSL_kEDH|SSL_kDHd|SSL_kDHr)))
1239 p[ret++]=SSL3_CT_RSA_EPHEMERAL_DH;
1242 p[ret++]=SSL3_CT_DSS_EPHEMERAL_DH;
1247 p[ret++]=SSL3_CT_RSA_SIGN;
1250 p[ret++]=SSL3_CT_DSS_SIGN;
1255 int ssl3_shutdown(SSL *s)
1258 /* Don't do anything much if we have not done the handshake or
1259 * we don't want to send messages :-) */
1260 if ((s->quiet_shutdown) || (s->state == SSL_ST_BEFORE))
1262 s->shutdown=(SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1266 if (!(s->shutdown & SSL_SENT_SHUTDOWN))
1268 s->shutdown|=SSL_SENT_SHUTDOWN;
1270 ssl3_send_alert(s,SSL3_AL_WARNING,SSL_AD_CLOSE_NOTIFY);
1272 /* our shutdown alert has been sent now, and if it still needs
1273 * to be written, s->s3->alert_dispatch will be true */
1275 else if (s->s3->alert_dispatch)
1277 /* resend it if not sent */
1279 ssl3_dispatch_alert(s);
1282 else if (!(s->shutdown & SSL_RECEIVED_SHUTDOWN))
1284 /* If we are waiting for a close from our peer, we are closed */
1285 ssl3_read_bytes(s,0,NULL,0);
1288 if ((s->shutdown == (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN)) &&
1289 !s->s3->alert_dispatch)
1295 int ssl3_write(SSL *s, const void *buf, int len)
1300 if (s->shutdown & SSL_SEND_SHUTDOWN)
1302 s->rwstate=SSL_NOTHING;
1307 if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1309 /* This is an experimental flag that sends the
1310 * last handshake message in the same packet as the first
1311 * use data - used to see if it helps the TCP protocol during
1312 * session-id reuse */
1313 /* The second test is because the buffer may have been removed */
1314 if ((s->s3->flags & SSL3_FLAGS_POP_BUFFER) && (s->wbio == s->bbio))
1316 /* First time through, we write into the buffer */
1317 if (s->s3->delay_buf_pop_ret == 0)
1319 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1321 if (ret <= 0) return(ret);
1323 s->s3->delay_buf_pop_ret=ret;
1326 s->rwstate=SSL_WRITING;
1327 n=BIO_flush(s->wbio);
1328 if (n <= 0) return(n);
1329 s->rwstate=SSL_NOTHING;
1331 /* We have flushed the buffer, so remove it */
1332 ssl_free_wbio_buffer(s);
1333 s->s3->flags&= ~SSL3_FLAGS_POP_BUFFER;
1335 ret=s->s3->delay_buf_pop_ret;
1336 s->s3->delay_buf_pop_ret=0;
1340 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1342 if (ret <= 0) return(ret);
1348 int ssl3_read(SSL *s, void *buf, int len)
1353 if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1354 s->s3->in_read_app_data=1;
1355 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len);
1356 if ((ret == -1) && (s->s3->in_read_app_data == 0))
1358 /* ssl3_read_bytes decided to call s->handshake_func, which
1359 * called ssl3_read_bytes to read handshake data.
1360 * However, ssl3_read_bytes actually found application data
1361 * and thinks that application data makes sense here (signalled
1362 * by resetting 'in_read_app_data', strangely); so disable
1363 * handshake processing and try to read application data again. */
1365 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len);
1369 s->s3->in_read_app_data=0;
1374 int ssl3_peek(SSL *s, char *buf, int len)
1377 SSLerr(SSL_F_SSL3_PEEK, SSL_R_FIXME); /* function is totally broken */
1384 if ((rr->length == 0) || (rr->type != SSL3_RT_APPLICATION_DATA))
1386 n=ssl3_read(s,buf,1);
1387 if (n <= 0) return(n);
1392 if ((unsigned int)len > rr->length)
1396 memcpy(buf,&(rr->data[rr->off]),(unsigned int)n);
1401 int ssl3_renegotiate(SSL *s)
1403 if (s->handshake_func == NULL)
1406 if (s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS)
1409 s->s3->renegotiate=1;
1413 int ssl3_renegotiate_check(SSL *s)
1417 if (s->s3->renegotiate)
1419 if ( (s->s3->rbuf.left == 0) &&
1420 (s->s3->wbuf.left == 0) &&
1424 if we are the server, and we have sent a 'RENEGOTIATE' message, we
1425 need to go to SSL_ST_ACCEPT.
1428 s->state=SSL_ST_RENEGOTIATE;
1429 s->s3->renegotiate=0;
1430 s->s3->num_renegotiations++;
1431 s->s3->total_renegotiations++;