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.]
63 const char *ssl3_version_str="SSLv3" OPENSSL_VERSION_PTEXT;
65 #define SSL3_NUM_CIPHERS (sizeof(ssl3_ciphers)/sizeof(SSL_CIPHER))
68 static long ssl3_default_timeout(void );
70 static long ssl3_default_timeout();
73 SSL_CIPHER ssl3_ciphers[]={
78 SSL3_TXT_RSA_NULL_MD5,
80 SSL_kRSA|SSL_aRSA|SSL_eNULL |SSL_MD5|SSL_NOT_EXP|SSL_SSLV3,
87 SSL3_TXT_RSA_NULL_SHA,
89 SSL_kRSA|SSL_aRSA|SSL_eNULL |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3,
98 SSL3_TXT_ADH_RC4_40_MD5,
99 SSL3_CK_ADH_RC4_40_MD5,
100 SSL_kEDH |SSL_aNULL|SSL_RC4 |SSL_MD5 |SSL_EXP40|SSL_SSLV3,
107 SSL3_TXT_ADH_RC4_128_MD5,
108 SSL3_CK_ADH_RC4_128_MD5,
109 SSL_kEDH |SSL_aNULL|SSL_RC4 |SSL_MD5|SSL_NOT_EXP|SSL_SSLV3,
116 SSL3_TXT_ADH_DES_40_CBC_SHA,
117 SSL3_CK_ADH_DES_40_CBC_SHA,
118 SSL_kEDH |SSL_aNULL|SSL_DES|SSL_SHA1|SSL_EXP40|SSL_SSLV3,
125 SSL3_TXT_ADH_DES_64_CBC_SHA,
126 SSL3_CK_ADH_DES_64_CBC_SHA,
127 SSL_kEDH |SSL_aNULL|SSL_DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3,
134 SSL3_TXT_ADH_DES_192_CBC_SHA,
135 SSL3_CK_ADH_DES_192_CBC_SHA,
136 SSL_kEDH |SSL_aNULL|SSL_3DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3,
145 SSL3_TXT_RSA_RC4_40_MD5,
146 SSL3_CK_RSA_RC4_40_MD5,
147 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_MD5 |SSL_EXP40|SSL_SSLV3,
154 SSL3_TXT_RSA_RC4_128_MD5,
155 SSL3_CK_RSA_RC4_128_MD5,
156 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_MD5|SSL_NOT_EXP|SSL_SSLV3|SSL_MEDIUM,
163 SSL3_TXT_RSA_RC4_128_SHA,
164 SSL3_CK_RSA_RC4_128_SHA,
165 SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_MEDIUM,
172 SSL3_TXT_RSA_RC2_40_MD5,
173 SSL3_CK_RSA_RC2_40_MD5,
174 SSL_kRSA|SSL_aRSA|SSL_RC2 |SSL_MD5 |SSL_EXP40|SSL_SSLV3,
181 SSL3_TXT_RSA_IDEA_128_SHA,
182 SSL3_CK_RSA_IDEA_128_SHA,
183 SSL_kRSA|SSL_aRSA|SSL_IDEA |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_MEDIUM,
190 SSL3_TXT_RSA_DES_40_CBC_SHA,
191 SSL3_CK_RSA_DES_40_CBC_SHA,
192 SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA1|SSL_EXP40|SSL_SSLV3,
199 SSL3_TXT_RSA_DES_64_CBC_SHA,
200 SSL3_CK_RSA_DES_64_CBC_SHA,
201 SSL_kRSA|SSL_aRSA|SSL_DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_LOW,
208 SSL3_TXT_RSA_DES_192_CBC3_SHA,
209 SSL3_CK_RSA_DES_192_CBC3_SHA,
210 SSL_kRSA|SSL_aRSA|SSL_3DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_HIGH,
219 SSL3_TXT_DH_DSS_DES_40_CBC_SHA,
220 SSL3_CK_DH_DSS_DES_40_CBC_SHA,
221 SSL_kDHd |SSL_aDH|SSL_DES|SSL_SHA1|SSL_EXP40|SSL_SSLV3,
228 SSL3_TXT_DH_DSS_DES_64_CBC_SHA,
229 SSL3_CK_DH_DSS_DES_64_CBC_SHA,
230 SSL_kDHd |SSL_aDH|SSL_DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_LOW,
237 SSL3_TXT_DH_DSS_DES_192_CBC3_SHA,
238 SSL3_CK_DH_DSS_DES_192_CBC3_SHA,
239 SSL_kDHd |SSL_aDH|SSL_3DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_HIGH,
246 SSL3_TXT_DH_RSA_DES_40_CBC_SHA,
247 SSL3_CK_DH_RSA_DES_40_CBC_SHA,
248 SSL_kDHr |SSL_aDH|SSL_DES|SSL_SHA1|SSL_EXP40|SSL_SSLV3,
255 SSL3_TXT_DH_RSA_DES_64_CBC_SHA,
256 SSL3_CK_DH_RSA_DES_64_CBC_SHA,
257 SSL_kDHr |SSL_aDH|SSL_DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_LOW,
264 SSL3_TXT_DH_RSA_DES_192_CBC3_SHA,
265 SSL3_CK_DH_RSA_DES_192_CBC3_SHA,
266 SSL_kDHr |SSL_aDH|SSL_3DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_HIGH,
271 /* The Ephemeral DH ciphers */
275 SSL3_TXT_EDH_DSS_DES_40_CBC_SHA,
276 SSL3_CK_EDH_DSS_DES_40_CBC_SHA,
277 SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA1|SSL_EXP40|SSL_SSLV3,
284 SSL3_TXT_EDH_DSS_DES_64_CBC_SHA,
285 SSL3_CK_EDH_DSS_DES_64_CBC_SHA,
286 SSL_kEDH|SSL_aDSS|SSL_DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_LOW,
293 SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA,
294 SSL3_CK_EDH_DSS_DES_192_CBC3_SHA,
295 SSL_kEDH|SSL_aDSS|SSL_3DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_HIGH,
302 SSL3_TXT_EDH_RSA_DES_40_CBC_SHA,
303 SSL3_CK_EDH_RSA_DES_40_CBC_SHA,
304 SSL_kEDH|SSL_aRSA|SSL_DES|SSL_SHA1|SSL_EXP40|SSL_SSLV3,
311 SSL3_TXT_EDH_RSA_DES_64_CBC_SHA,
312 SSL3_CK_EDH_RSA_DES_64_CBC_SHA,
313 SSL_kEDH|SSL_aRSA|SSL_DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_LOW,
320 SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA,
321 SSL3_CK_EDH_RSA_DES_192_CBC3_SHA,
322 SSL_kEDH|SSL_aRSA|SSL_3DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_HIGH,
331 SSL3_TXT_FZA_DMS_NULL_SHA,
332 SSL3_CK_FZA_DMS_NULL_SHA,
333 SSL_kFZA|SSL_aFZA |SSL_eNULL |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3,
341 SSL3_TXT_FZA_DMS_FZA_SHA,
342 SSL3_CK_FZA_DMS_FZA_SHA,
343 SSL_kFZA|SSL_aFZA |SSL_eFZA |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3,
351 SSL3_TXT_FZA_DMS_RC4_SHA,
352 SSL3_CK_FZA_DMS_RC4_SHA,
353 SSL_kFZA|SSL_aFZA |SSL_RC4 |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3,
358 #if TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES
359 /* New TLS Export CipherSuites */
363 TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_MD5,
364 TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_MD5,
365 SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5|SSL_EXP56|SSL_TLSV1,
372 TLS1_TXT_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
373 TLS1_CK_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
374 SSL_kRSA|SSL_aRSA|SSL_RC2|SSL_MD5|SSL_EXP56|SSL_TLSV1,
381 TLS1_TXT_RSA_EXPORT1024_WITH_DES_CBC_SHA,
382 TLS1_CK_RSA_EXPORT1024_WITH_DES_CBC_SHA,
383 SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA|SSL_EXP56|SSL_TLSV1,
390 TLS1_TXT_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
391 TLS1_CK_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
392 SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA|SSL_EXP56|SSL_TLSV1,
399 TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_SHA,
400 TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_SHA,
401 SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_EXP56|SSL_TLSV1,
408 TLS1_TXT_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
409 TLS1_CK_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
410 SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_EXP56|SSL_TLSV1,
417 TLS1_TXT_DHE_DSS_WITH_RC4_128_SHA,
418 TLS1_CK_DHE_DSS_WITH_RC4_128_SHA,
419 SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
428 static SSL3_ENC_METHOD SSLv3_enc_data={
431 ssl3_setup_key_block,
432 ssl3_generate_master_secret,
433 ssl3_change_cipher_state,
434 ssl3_final_finish_mac,
435 MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH,
436 ssl3_cert_verify_mac,
437 SSL3_MD_CLIENT_FINISHED_CONST,4,
438 SSL3_MD_SERVER_FINISHED_CONST,4,
442 static SSL_METHOD SSLv3_data= {
447 ssl_undefined_function,
448 ssl_undefined_function,
454 ssl3_renegotiate_check,
457 ssl3_get_cipher_by_char,
458 ssl3_put_cipher_by_char,
463 ssl3_default_timeout,
467 static long ssl3_default_timeout()
469 /* 2 hours, the 24 hours mentioned in the SSLv3 spec
470 * is way too long for http, the cache would over fill */
474 SSL_METHOD *sslv3_base_method()
479 int ssl3_num_ciphers()
481 return(SSL3_NUM_CIPHERS);
484 SSL_CIPHER *ssl3_get_cipher(u)
487 if (u < SSL3_NUM_CIPHERS)
488 return(&(ssl3_ciphers[SSL3_NUM_CIPHERS-1-u]));
493 /* The problem is that it may not be the correct record type */
497 return(s->s3->rrec.length);
505 if ((s3=(SSL3_CTX *)Malloc(sizeof(SSL3_CTX))) == NULL) goto err;
506 memset(s3,0,sizeof(SSL3_CTX));
510 s->s3->tmp.ca_names=NULL;
511 s->s3->tmp.key_block=NULL;
512 s->s3->tmp.key_block_length=0;
513 s->s3->rbuf.buf=NULL;
514 s->s3->wbuf.buf=NULL;
517 s->method->ssl_clear(s);
529 ssl3_cleanup_key_block(s);
530 if (s->s3->rbuf.buf != NULL)
531 Free(s->s3->rbuf.buf);
532 if (s->s3->wbuf.buf != NULL)
533 Free(s->s3->wbuf.buf);
534 if (s->s3->rrec.comp != NULL)
535 Free(s->s3->rrec.comp);
537 if (s->s3->tmp.dh != NULL)
538 DH_free(s->s3->tmp.dh);
540 if (s->s3->tmp.ca_names != NULL)
541 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
542 memset(s->s3,0,sizeof(SSL3_CTX));
550 unsigned char *rp,*wp;
552 ssl3_cleanup_key_block(s);
553 if (s->s3->tmp.ca_names != NULL)
554 sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
556 if (s->s3->rrec.comp != NULL)
558 Free(s->s3->rrec.comp);
559 s->s3->rrec.comp=NULL;
565 memset(s->s3,0,sizeof(SSL3_CTX));
566 if (rp != NULL) s->s3->rbuf.buf=rp;
567 if (wp != NULL) s->s3->wbuf.buf=wp;
569 ssl_free_wbio_buffer(s);
572 s->s3->renegotiate=0;
573 s->s3->total_renegotiations=0;
574 s->s3->num_renegotiations=0;
575 s->s3->in_read_app_data=0;
576 s->version=SSL3_VERSION;
579 long ssl3_ctrl(s,cmd,larg,parg)
587 #if !defined(NO_DSA) || !defined(NO_RSA)
590 cmd == SSL_CTRL_SET_TMP_RSA ||
591 cmd == SSL_CTRL_SET_TMP_RSA_CB ||
594 cmd == SSL_CTRL_SET_TMP_DH ||
595 cmd == SSL_CTRL_SET_TMP_DH_CB ||
599 if (!ssl_cert_instantiate(&s->cert, s->ctx->default_cert))
601 SSLerr(SSL_F_SSL3_CTRL, ERR_R_MALLOC_FAILURE);
609 case SSL_CTRL_GET_SESSION_REUSED:
612 case SSL_CTRL_GET_CLIENT_CERT_REQUEST:
614 case SSL_CTRL_GET_NUM_RENEGOTIATIONS:
615 ret=s->s3->num_renegotiations;
617 case SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS:
618 ret=s->s3->num_renegotiations;
619 s->s3->num_renegotiations=0;
621 case SSL_CTRL_GET_TOTAL_RENEGOTIATIONS:
622 ret=s->s3->total_renegotiations;
624 case SSL_CTRL_GET_FLAGS:
625 ret=(int)(s->s3->flags);
628 case SSL_CTRL_NEED_TMP_RSA:
629 if ((s->cert != NULL) && (s->cert->rsa_tmp == NULL) &&
630 ((s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
631 (EVP_PKEY_size(s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8))))
634 case SSL_CTRL_SET_TMP_RSA:
636 RSA *rsa = (RSA *)parg;
638 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
641 if ((rsa = RSAPrivateKey_dup(rsa)) == NULL) {
642 SSLerr(SSL_F_SSL3_CTRL, ERR_R_RSA_LIB);
645 if (s->cert->rsa_tmp != NULL)
646 RSA_free(s->cert->rsa_tmp);
647 s->cert->rsa_tmp = rsa;
651 case SSL_CTRL_SET_TMP_RSA_CB:
653 s->cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))parg;
655 s->cert->rsa_tmp_cb = (RSA *(*)())parg;
660 case SSL_CTRL_SET_TMP_DH:
664 SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
667 if ((dh = DHparams_dup(dh)) == NULL) {
668 SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
671 if (!DH_generate_key(dh)) {
673 SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
676 if (s->cert->dh_tmp != NULL)
677 DH_free(s->cert->dh_tmp);
678 s->cert->dh_tmp = dh;
682 case SSL_CTRL_SET_TMP_DH_CB:
684 s->cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))parg;
686 s->cert->dh_tmp_cb = (DH *(*)())parg;
696 long ssl3_ctx_ctrl(ctx,cmd,larg,parg)
704 cert=ctx->default_cert;
709 case SSL_CTRL_NEED_TMP_RSA:
710 if ( (cert->rsa_tmp == NULL) &&
711 ((cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
712 (EVP_PKEY_size(cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8)))
718 case SSL_CTRL_SET_TMP_RSA:
729 if ((rsa=RSAPrivateKey_dup(rsa)) == NULL)
734 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_RSA_LIB);
739 if (cert->rsa_tmp != NULL)
740 RSA_free(cert->rsa_tmp);
746 case SSL_CTRL_SET_TMP_RSA_CB:
748 cert->rsa_tmp_cb=(RSA *(*)(SSL *, int, int))parg;
750 cert->rsa_tmp_cb=(RSA *(*)())parg;
755 case SSL_CTRL_SET_TMP_DH:
761 if ( ((new=DHparams_dup(dh)) == NULL) ||
762 (!DH_generate_key(new)))
764 SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
765 if (new != NULL) DH_free(new);
769 if (cert->dh_tmp != NULL)
770 DH_free(cert->dh_tmp);
777 case SSL_CTRL_SET_TMP_DH_CB:
779 cert->dh_tmp_cb=(DH *(*)(SSL *, int, int))parg;
781 cert->dh_tmp_cb=(DH *(*)())parg;
785 /* A Thawte special :-) */
786 case SSL_CTRL_EXTRA_CHAIN_CERT:
787 if (ctx->extra_certs == NULL)
789 if ((ctx->extra_certs=sk_X509_new_null()) == NULL)
792 sk_X509_push(ctx->extra_certs,(X509 *)parg);
801 /* This function needs to check if the ciphers required are actually
803 SSL_CIPHER *ssl3_get_cipher_by_char(p)
804 const unsigned char *p;
807 static SSL_CIPHER *sorted[SSL3_NUM_CIPHERS];
808 SSL_CIPHER c,*cp= &c,**cpp;
816 for (i=0; i<SSL3_NUM_CIPHERS; i++)
817 sorted[i]= &(ssl3_ciphers[i]);
819 qsort( (char *)sorted,
820 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
821 FP_ICC ssl_cipher_ptr_id_cmp);
824 id=0x03000000L|((unsigned long)p[0]<<8L)|(unsigned long)p[1];
826 cpp=(SSL_CIPHER **)OBJ_bsearch((char *)&cp,
828 SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
829 (int (*)())ssl_cipher_ptr_id_cmp);
830 if ((cpp == NULL) || !(*cpp)->valid)
836 int ssl3_put_cipher_by_char(c,p)
845 if ((l & 0xff000000) != 0x03000000) return(0);
846 p[0]=((unsigned char)(l>> 8L))&0xFF;
847 p[1]=((unsigned char)(l ))&0xFF;
852 int ssl3_part_read(s,i)
856 s->rwstate=SSL_READING;
869 SSL_CIPHER *ssl3_choose_cipher(s,have,pref)
871 STACK_OF(SSL_CIPHER) *have;
872 STACK_OF(SSL_CIPHER) *pref;
874 SSL_CIPHER *c,*ret=NULL;
877 unsigned long alg,mask,emask;
879 /* Lets see which ciphers we can supported */
883 cert=s->ctx->default_cert;
885 sk_SSL_CIPHER_set_cmp_func(pref,ssl_cipher_ptr_id_cmp);
889 for(i=0 ; i < sk_num(pref) ; ++i)
891 c=(SSL_CIPHER *)sk_value(pref,i);
892 printf("%p:%s\n",c,c->name);
896 for (i=0; i<sk_SSL_CIPHER_num(have); i++)
898 c=sk_SSL_CIPHER_value(have,i);
900 ssl_set_cert_masks(cert,s->ctx->default_cert,c);
902 emask=cert->export_mask;
904 alg=c->algorithms&(SSL_MKEY_MASK|SSL_AUTH_MASK);
905 if (SSL_IS_EXPORT(c->algorithms))
907 ok=((alg & emask) == alg)?1:0;
909 printf("%d:[%08lX:%08lX]%p:%s (export)\n",ok,alg,emask,
915 ok=((alg & mask) == alg)?1:0;
917 printf("%d:[%08lX:%08lX]%p:%s\n",ok,alg,mask,c,
924 j=sk_SSL_CIPHER_find(pref,c);
927 ret=sk_SSL_CIPHER_value(pref,j);
934 int ssl3_get_req_cert_type(s,p)
941 alg=s->s3->tmp.new_cipher->algorithms;
944 if (alg & (SSL_kDHr|SSL_kEDH))
947 p[ret++]=SSL3_CT_RSA_FIXED_DH;
950 p[ret++]=SSL3_CT_DSS_FIXED_DH;
953 if ((s->version == SSL3_VERSION) &&
954 (alg & (SSL_kEDH|SSL_kDHd|SSL_kDHr)))
957 p[ret++]=SSL3_CT_RSA_EPHEMERAL_DH;
960 p[ret++]=SSL3_CT_DSS_EPHEMERAL_DH;
965 p[ret++]=SSL3_CT_RSA_SIGN;
968 p[ret++]=SSL3_CT_DSS_SIGN;
977 /* Don't do anything much if we have not done the handshake or
978 * we don't want to send messages :-) */
979 if ((s->quiet_shutdown) || (s->state == SSL_ST_BEFORE))
981 s->shutdown=(SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
985 if (!(s->shutdown & SSL_SENT_SHUTDOWN))
987 s->shutdown|=SSL_SENT_SHUTDOWN;
989 ssl3_send_alert(s,SSL3_AL_WARNING,SSL_AD_CLOSE_NOTIFY);
991 /* our shutdown alert has been sent now, and if it still needs
992 * to be written, s->s3->alert_dispatch will be true */
994 else if (s->s3->alert_dispatch)
996 /* resend it if not sent */
998 ssl3_dispatch_alert(s);
1001 else if (!(s->shutdown & SSL_RECEIVED_SHUTDOWN))
1003 /* If we are waiting for a close from our peer, we are closed */
1004 ssl3_read_bytes(s,0,NULL,0);
1007 if ((s->shutdown == (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN)) &&
1008 !s->s3->alert_dispatch)
1014 int ssl3_write(s,buf,len)
1022 if (s->shutdown & SSL_SEND_SHUTDOWN)
1024 s->rwstate=SSL_NOTHING;
1029 if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1031 /* This is an experimental flag that sends the
1032 * last handshake message in the same packet as the first
1033 * use data - used to see if it helps the TCP protocol during
1034 * session-id reuse */
1035 /* The second test is because the buffer may have been removed */
1036 if ((s->s3->flags & SSL3_FLAGS_POP_BUFFER) && (s->wbio == s->bbio))
1038 /* First time through, we write into the buffer */
1039 if (s->s3->delay_buf_pop_ret == 0)
1041 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1043 if (ret <= 0) return(ret);
1045 s->s3->delay_buf_pop_ret=ret;
1048 s->rwstate=SSL_WRITING;
1049 n=BIO_flush(s->wbio);
1050 if (n <= 0) return(n);
1051 s->rwstate=SSL_NOTHING;
1053 /* We have flushed the buffer, so remove it */
1054 ssl_free_wbio_buffer(s);
1055 s->s3->flags&= ~SSL3_FLAGS_POP_BUFFER;
1057 ret=s->s3->delay_buf_pop_ret;
1058 s->s3->delay_buf_pop_ret=0;
1062 ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
1064 if (ret <= 0) return(ret);
1070 int ssl3_read(s,buf,len)
1078 if (s->s3->renegotiate) ssl3_renegotiate_check(s);
1079 s->s3->in_read_app_data=1;
1080 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len);
1081 if ((ret == -1) && (s->s3->in_read_app_data == 0))
1083 ERR_get_error(); /* clear the error */
1084 s->s3->in_read_app_data=0;
1086 ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len);
1090 s->s3->in_read_app_data=0;
1095 int ssl3_peek(s,buf,len)
1104 if ((rr->length == 0) || (rr->type != SSL3_RT_APPLICATION_DATA))
1106 n=ssl3_read(s,buf,1);
1107 if (n <= 0) return(n);
1112 if ((unsigned int)len > rr->length)
1116 memcpy(buf,&(rr->data[rr->off]),(unsigned int)n);
1120 int ssl3_renegotiate(s)
1123 if (s->handshake_func == NULL)
1126 if (s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS)
1129 s->s3->renegotiate=1;
1133 int ssl3_renegotiate_check(s)
1138 if (s->s3->renegotiate)
1140 if ( (s->s3->rbuf.left == 0) &&
1141 (s->s3->wbuf.left == 0) &&
1145 if we are the server, and we have sent a 'RENEGOTIATE' message, we
1146 need to go to SSL_ST_ACCEPT.
\1e
1149 s->state=SSL_ST_RENEGOTIATE;
1150 s->s3->renegotiate=0;
1151 s->s3->num_renegotiations++;
1152 s->s3->total_renegotiations++;