1 /*! \file ssl/ssl_lib.c
2 * \brief Version independent SSL functions.
4 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
7 * This package is an SSL implementation written
8 * by Eric Young (eay@cryptsoft.com).
9 * The implementation was written so as to conform with Netscapes SSL.
11 * This library is free for commercial and non-commercial use as long as
12 * the following conditions are aheared to. The following conditions
13 * apply to all code found in this distribution, be it the RC4, RSA,
14 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
15 * included with this distribution is covered by the same copyright terms
16 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
18 * Copyright remains Eric Young's, and as such any Copyright notices in
19 * the code are not to be removed.
20 * If this package is used in a product, Eric Young should be given attribution
21 * as the author of the parts of the library used.
22 * This can be in the form of a textual message at program startup or
23 * in documentation (online or textual) provided with the package.
25 * Redistribution and use in source and binary forms, with or without
26 * modification, are permitted provided that the following conditions
28 * 1. Redistributions of source code must retain the copyright
29 * notice, this list of conditions and the following disclaimer.
30 * 2. Redistributions in binary form must reproduce the above copyright
31 * notice, this list of conditions and the following disclaimer in the
32 * documentation and/or other materials provided with the distribution.
33 * 3. All advertising materials mentioning features or use of this software
34 * must display the following acknowledgement:
35 * "This product includes cryptographic software written by
36 * Eric Young (eay@cryptsoft.com)"
37 * The word 'cryptographic' can be left out if the rouines from the library
38 * being used are not cryptographic related :-).
39 * 4. If you include any Windows specific code (or a derivative thereof) from
40 * the apps directory (application code) you must include an acknowledgement:
41 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
43 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
44 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
46 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
47 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
48 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
49 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
50 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
51 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
52 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
55 * The licence and distribution terms for any publically available version or
56 * derivative of this code cannot be changed. i.e. this code cannot simply be
57 * copied and put under another distribution licence
58 * [including the GNU Public Licence.]
62 #include <openssl/objects.h>
63 #include <openssl/lhash.h>
66 char *SSL_version_str=OPENSSL_VERSION_TEXT;
68 static STACK *ssl_meth=NULL;
69 static STACK *ssl_ctx_meth=NULL;
70 static int ssl_meth_num=0;
71 static int ssl_ctx_meth_num=0;
73 SSL3_ENC_METHOD ssl3_undef_enc_method={
74 ssl_undefined_function,
75 ssl_undefined_function,
76 ssl_undefined_function,
77 ssl_undefined_function,
78 ssl_undefined_function,
79 ssl_undefined_function,
86 if (s->method == NULL)
88 SSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED);
97 /* This is set if we are doing dynamic renegotiation so keep
98 * the old cipher. It is sort of a SSL_clear_lite :-) */
99 if (s->new_session) return(1);
102 state=s->state; /* Keep to check if we throw away the session-id */
105 s->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);
107 s->version=s->method->version;
108 s->client_version=s->version;
109 s->rwstate=SSL_NOTHING;
110 s->rstate=SSL_ST_READ_HEADER;
111 s->read_ahead=s->ctx->read_ahead;
113 if (s->init_buf != NULL)
115 BUF_MEM_free(s->init_buf);
119 ssl_clear_cipher_ctx(s);
121 if (ssl_clear_bad_session(s))
123 SSL_SESSION_free(s->session);
130 /* Check to see if we were changed into a different method, if
131 * so, revert back if we are not doing session-id reuse. */
132 if ((s->session == NULL) && (s->method != s->ctx->method))
134 s->method->ssl_free(s);
135 s->method=s->ctx->method;
136 if (!s->method->ssl_new(s))
141 s->method->ssl_clear(s);
145 /** Used to change an SSL_CTXs default SSL method type */
146 int SSL_CTX_set_ssl_version(SSL_CTX *ctx,SSL_METHOD *meth)
148 STACK_OF(SSL_CIPHER) *sk;
152 sk=ssl_create_cipher_list(ctx->method,&(ctx->cipher_list),
153 &(ctx->cipher_list_by_id),SSL_DEFAULT_CIPHER_LIST);
154 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0))
156 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
162 SSL *SSL_new(SSL_CTX *ctx)
168 SSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX);
171 if (ctx->method == NULL)
173 SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);
177 s=(SSL *)Malloc(sizeof(SSL));
178 if (s == NULL) goto err;
179 memset(s,0,sizeof(SSL));
181 if (ctx->default_cert != NULL)
183 CRYPTO_add(&ctx->default_cert->references,1,
184 CRYPTO_LOCK_SSL_CERT);
185 s->cert=ctx->default_cert;
189 s->sid_ctx_length=ctx->sid_ctx_length;
190 memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));
191 s->verify_mode=ctx->verify_mode;
192 s->verify_depth=ctx->verify_depth;
193 s->verify_callback=ctx->default_verify_callback;
194 CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
197 s->verify_result=X509_V_OK;
199 s->method=ctx->method;
201 if (!s->method->ssl_new(s))
208 s->quiet_shutdown=ctx->quiet_shutdown;
210 s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;
211 s->options=ctx->options;
214 CRYPTO_new_ex_data(ssl_meth,(char *)s,&s->ex_data);
218 SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);
222 int SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx,
223 unsigned int sid_ctx_len)
225 if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
227 SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
230 ctx->sid_ctx_length=sid_ctx_len;
231 memcpy(ctx->sid_ctx,sid_ctx,sid_ctx_len);
236 int SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx,
237 unsigned int sid_ctx_len)
239 if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
241 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
244 ssl->sid_ctx_length=sid_ctx_len;
245 memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len);
250 void SSL_free(SSL *s)
257 i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL);
265 fprintf(stderr,"SSL_free, bad reference count\n");
270 CRYPTO_free_ex_data(ssl_meth,(char *)s,&s->ex_data);
274 /* If the buffering BIO is in place, pop it off */
275 if (s->bbio == s->wbio)
277 s->wbio=BIO_pop(s->wbio);
283 BIO_free_all(s->rbio);
284 if ((s->wbio != NULL) && (s->wbio != s->rbio))
285 BIO_free_all(s->wbio);
287 if (s->init_buf != NULL) BUF_MEM_free(s->init_buf);
289 /* add extra stuff */
290 if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list);
291 if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id);
293 /* Make the next call work :-) */
294 if (s->session != NULL)
296 ssl_clear_bad_session(s);
297 SSL_SESSION_free(s->session);
300 ssl_clear_cipher_ctx(s);
302 if (s->cert != NULL) ssl_cert_free(s->cert);
303 /* Free up if allocated */
305 if (s->ctx) SSL_CTX_free(s->ctx);
307 if (s->client_CA != NULL)
308 sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free);
310 if (s->method != NULL) s->method->ssl_free(s);
315 void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio)
317 /* If the output buffering BIO is still in place, remove it
321 if (s->wbio == s->bbio)
323 s->wbio=s->wbio->next_bio;
324 s->bbio->next_bio=NULL;
327 if ((s->rbio != NULL) && (s->rbio != rbio))
328 BIO_free_all(s->rbio);
329 if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio))
330 BIO_free_all(s->wbio);
335 BIO *SSL_get_rbio(SSL *s)
338 BIO *SSL_get_wbio(SSL *s)
341 int SSL_get_fd(SSL *s)
347 r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
354 int SSL_set_fd(SSL *s,int fd)
359 bio=BIO_new(BIO_s_socket());
363 SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB);
366 BIO_set_fd(bio,fd,BIO_NOCLOSE);
367 SSL_set_bio(s,bio,bio);
373 int SSL_set_wfd(SSL *s,int fd)
378 if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET)
379 || ((int)BIO_get_fd(s->rbio,NULL) != fd))
381 bio=BIO_new(BIO_s_socket());
384 { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; }
385 BIO_set_fd(bio,fd,BIO_NOCLOSE);
386 SSL_set_bio(s,SSL_get_rbio(s),bio);
389 SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s));
395 int SSL_set_rfd(SSL *s,int fd)
400 if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET)
401 || ((int)BIO_get_fd(s->wbio,NULL) != fd))
403 bio=BIO_new(BIO_s_socket());
407 SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB);
410 BIO_set_fd(bio,fd,BIO_NOCLOSE);
411 SSL_set_bio(s,bio,SSL_get_wbio(s));
414 SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s));
421 int SSL_get_verify_mode(SSL *s)
423 return(s->verify_mode);
426 int SSL_get_verify_depth(SSL *s)
428 return(s->verify_depth);
431 int (*SSL_get_verify_callback(SSL *s))(int,X509_STORE_CTX *)
433 return(s->verify_callback);
436 int SSL_CTX_get_verify_mode(SSL_CTX *ctx)
438 return(ctx->verify_mode);
441 int SSL_CTX_get_verify_depth(SSL_CTX *ctx)
443 return(ctx->verify_depth);
446 int (*SSL_CTX_get_verify_callback(SSL_CTX *ctx))(int,X509_STORE_CTX *)
448 return(ctx->default_verify_callback);
451 void SSL_set_verify(SSL *s,int mode,
452 int (*callback)(int ok,X509_STORE_CTX *ctx))
455 if (callback != NULL)
456 s->verify_callback=callback;
459 void SSL_set_verify_depth(SSL *s,int depth)
461 s->verify_depth=depth;
464 void SSL_set_read_ahead(SSL *s,int yes)
469 int SSL_get_read_ahead(SSL *s)
471 return(s->read_ahead);
474 int SSL_pending(SSL *s)
476 return(s->method->ssl_pending(s));
479 X509 *SSL_get_peer_certificate(SSL *s)
483 if ((s == NULL) || (s->session == NULL))
488 if (r == NULL) return(r);
490 CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509);
495 STACK_OF(X509) *SSL_get_peer_cert_chain(SSL *s)
499 if ((s == NULL) || (s->session == NULL) || (s->session->cert == NULL))
502 r=s->session->cert->cert_chain;
507 /* Now in theory, since the calling process own 't' it should be safe to
508 * modify. We need to be able to read f without being hassled */
509 void SSL_copy_session_id(SSL *t,SSL *f)
513 /* Do we need to to SSL locking? */
514 SSL_set_session(t,SSL_get_session(f));
516 /* what if we are setup as SSLv2 but want to talk SSLv3 or
518 if (t->method != f->method)
520 t->method->ssl_free(t); /* cleanup current */
521 t->method=f->method; /* change method */
522 t->method->ssl_new(t); /* setup new */
528 CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT);
533 if (tmp != NULL) ssl_cert_free(tmp);
534 SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length);
537 /* Fix this so it checks all the valid key/cert options */
538 int SSL_CTX_check_private_key(SSL_CTX *ctx)
540 if ( (ctx == NULL) ||
541 (ctx->default_cert == NULL) ||
542 (ctx->default_cert->key->x509 == NULL))
544 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
547 if (ctx->default_cert->key->privatekey == NULL)
549 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
552 return(X509_check_private_key(ctx->default_cert->key->x509, ctx->default_cert->key->privatekey));
555 /* Fix this function so that it takes an optional type parameter */
556 int SSL_check_private_key(SSL *ssl)
560 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER);
563 if (ssl->cert == NULL)
564 return(SSL_CTX_check_private_key(ssl->ctx));
565 if (ssl->cert->key->x509 == NULL)
567 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
570 if (ssl->cert->key->privatekey == NULL)
572 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
575 return(X509_check_private_key(ssl->cert->key->x509,
576 ssl->cert->key->privatekey));
579 int SSL_accept(SSL *s)
581 return(s->method->ssl_accept(s));
584 int SSL_connect(SSL *s)
586 return(s->method->ssl_connect(s));
589 long SSL_get_default_timeout(SSL *s)
591 return(s->method->get_timeout());
594 int SSL_read(SSL *s,char *buf,int num)
596 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
598 s->rwstate=SSL_NOTHING;
601 return(s->method->ssl_read(s,buf,num));
604 int SSL_peek(SSL *s,char *buf,int num)
606 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
610 return(s->method->ssl_peek(s,buf,num));
613 int SSL_write(SSL *s,const char *buf,int num)
615 if (s->shutdown & SSL_SENT_SHUTDOWN)
617 s->rwstate=SSL_NOTHING;
618 SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN);
621 return(s->method->ssl_write(s,buf,num));
624 int SSL_shutdown(SSL *s)
626 if ((s != NULL) && !SSL_in_init(s))
627 return(s->method->ssl_shutdown(s));
632 int SSL_renegotiate(SSL *s)
635 return(s->method->ssl_renegotiate(s));
638 long SSL_ctrl(SSL *s,int cmd,long larg,char *parg)
644 case SSL_CTRL_GET_READ_AHEAD:
645 return(s->read_ahead);
646 case SSL_CTRL_SET_READ_AHEAD:
650 case SSL_CTRL_OPTIONS:
651 return(s->options|=larg);
653 return(s->method->ssl_ctrl(s,cmd,larg,parg));
658 long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,char *parg)
664 case SSL_CTRL_GET_READ_AHEAD:
665 return(ctx->read_ahead);
666 case SSL_CTRL_SET_READ_AHEAD:
668 ctx->read_ahead=larg;
671 case SSL_CTRL_SET_SESS_CACHE_SIZE:
672 l=ctx->session_cache_size;
673 ctx->session_cache_size=larg;
675 case SSL_CTRL_GET_SESS_CACHE_SIZE:
676 return(ctx->session_cache_size);
677 case SSL_CTRL_SET_SESS_CACHE_MODE:
678 l=ctx->session_cache_mode;
679 ctx->session_cache_mode=larg;
681 case SSL_CTRL_GET_SESS_CACHE_MODE:
682 return(ctx->session_cache_mode);
684 case SSL_CTRL_SESS_NUMBER:
685 return(ctx->sessions->num_items);
686 case SSL_CTRL_SESS_CONNECT:
687 return(ctx->stats.sess_connect);
688 case SSL_CTRL_SESS_CONNECT_GOOD:
689 return(ctx->stats.sess_connect_good);
690 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE:
691 return(ctx->stats.sess_connect_renegotiate);
692 case SSL_CTRL_SESS_ACCEPT:
693 return(ctx->stats.sess_accept);
694 case SSL_CTRL_SESS_ACCEPT_GOOD:
695 return(ctx->stats.sess_accept_good);
696 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE:
697 return(ctx->stats.sess_accept_renegotiate);
698 case SSL_CTRL_SESS_HIT:
699 return(ctx->stats.sess_hit);
700 case SSL_CTRL_SESS_CB_HIT:
701 return(ctx->stats.sess_cb_hit);
702 case SSL_CTRL_SESS_MISSES:
703 return(ctx->stats.sess_miss);
704 case SSL_CTRL_SESS_TIMEOUTS:
705 return(ctx->stats.sess_timeout);
706 case SSL_CTRL_SESS_CACHE_FULL:
707 return(ctx->stats.sess_cache_full);
708 case SSL_CTRL_OPTIONS:
709 return(ctx->options|=larg);
711 return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg));
716 int ssl_cipher_id_cmp(SSL_CIPHER *a,SSL_CIPHER *b)
724 return((l > 0)?1:-1);
727 int ssl_cipher_ptr_id_cmp(SSL_CIPHER **ap,SSL_CIPHER **bp)
731 l=(*ap)->id-(*bp)->id;
735 return((l > 0)?1:-1);
738 /** return a STACK of the ciphers available for the SSL and in order of
740 STACK_OF(SSL_CIPHER) *SSL_get_ciphers(SSL *s)
742 if ((s != NULL) && (s->cipher_list != NULL))
744 return(s->cipher_list);
746 else if ((s->ctx != NULL) &&
747 (s->ctx->cipher_list != NULL))
749 return(s->ctx->cipher_list);
754 /** return a STACK of the ciphers available for the SSL and in order of
756 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s)
758 if ((s != NULL) && (s->cipher_list_by_id != NULL))
760 return(s->cipher_list_by_id);
762 else if ((s != NULL) && (s->ctx != NULL) &&
763 (s->ctx->cipher_list_by_id != NULL))
765 return(s->ctx->cipher_list_by_id);
770 /** The old interface to get the same thing as SSL_get_ciphers() */
771 const char *SSL_get_cipher_list(SSL *s,int n)
774 STACK_OF(SSL_CIPHER) *sk;
776 if (s == NULL) return(NULL);
777 sk=SSL_get_ciphers(s);
778 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n))
780 c=sk_SSL_CIPHER_value(sk,n);
781 if (c == NULL) return(NULL);
785 /** specify the ciphers to be used by defaut by the SSL_CTX */
786 int SSL_CTX_set_cipher_list(SSL_CTX *ctx,char *str)
788 STACK_OF(SSL_CIPHER) *sk;
790 sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list,
791 &ctx->cipher_list_by_id,str);
793 return((sk == NULL)?0:1);
796 /** specify the ciphers to be used by the SSL */
797 int SSL_set_cipher_list(SSL *s,char *str)
799 STACK_OF(SSL_CIPHER) *sk;
801 sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list,
802 &s->cipher_list_by_id,str);
804 return((sk == NULL)?0:1);
807 /* works well for SSLv2, not so good for SSLv3 */
808 char *SSL_get_shared_ciphers(SSL *s,char *buf,int len)
812 STACK_OF(SSL_CIPHER) *sk;
816 if ((s->session == NULL) || (s->session->ciphers == NULL) ||
821 sk=s->session->ciphers;
822 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
824 /* Decrement for either the ':' or a '\0' */
826 c=sk_SSL_CIPHER_value(sk,i);
827 for (cp=c->name; *cp; )
843 int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p)
849 if (sk == NULL) return(0);
852 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
854 c=sk_SSL_CIPHER_value(sk,i);
855 j=ssl_put_cipher_by_char(s,c,p);
861 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
862 STACK_OF(SSL_CIPHER) **skp)
865 STACK_OF(SSL_CIPHER) *sk;
868 n=ssl_put_cipher_by_char(s,NULL,NULL);
871 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
874 if ((skp == NULL) || (*skp == NULL))
875 sk=sk_SSL_CIPHER_new(NULL); /* change perhaps later */
879 sk_SSL_CIPHER_zero(sk);
882 for (i=0; i<num; i+=n)
884 c=ssl_get_cipher_by_char(s,p);
888 if (!sk_SSL_CIPHER_push(sk,c))
890 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
900 if ((skp == NULL) || (*skp == NULL))
901 sk_SSL_CIPHER_free(sk);
905 unsigned long SSL_SESSION_hash(SSL_SESSION *a)
910 ((unsigned int) a->session_id[0] )|
911 ((unsigned int) a->session_id[1]<< 8L)|
912 ((unsigned long)a->session_id[2]<<16L)|
913 ((unsigned long)a->session_id[3]<<24L);
917 int SSL_SESSION_cmp(SSL_SESSION *a,SSL_SESSION *b)
919 if (a->ssl_version != b->ssl_version)
921 if (a->session_id_length != b->session_id_length)
923 return(memcmp(a->session_id,b->session_id,a->session_id_length));
926 SSL_CTX *SSL_CTX_new(SSL_METHOD *meth)
932 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);
936 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
938 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
941 ret=(SSL_CTX *)Malloc(sizeof(SSL_CTX));
945 memset(ret,0,sizeof(SSL_CTX));
949 ret->cert_store=NULL;
950 ret->session_cache_mode=SSL_SESS_CACHE_SERVER;
951 ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
952 ret->session_cache_head=NULL;
953 ret->session_cache_tail=NULL;
955 /* We take the system default */
956 ret->session_timeout=meth->get_timeout();
958 ret->new_session_cb=NULL;
959 ret->remove_session_cb=NULL;
960 ret->get_session_cb=NULL;
962 memset((char *)&ret->stats,0,sizeof(ret->stats));
965 ret->quiet_shutdown=0;
967 /* ret->cipher=NULL;*/
968 /* ret->s2->challenge=NULL;
969 ret->master_key=NULL;
971 ret->s2->conn_id=NULL; */
973 ret->info_callback=NULL;
975 ret->app_verify_callback=NULL;
976 ret->app_verify_arg=NULL;
979 ret->verify_mode=SSL_VERIFY_NONE;
980 ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */
981 ret->default_verify_callback=NULL;
982 if ((ret->default_cert=ssl_cert_new()) == NULL)
985 ret->default_passwd_callback=NULL;
986 ret->client_cert_cb=NULL;
988 ret->sessions=lh_new(SSL_SESSION_hash,SSL_SESSION_cmp);
989 if (ret->sessions == NULL) goto err;
990 ret->cert_store=X509_STORE_new();
991 if (ret->cert_store == NULL) goto err;
993 ssl_create_cipher_list(ret->method,
994 &ret->cipher_list,&ret->cipher_list_by_id,
995 SSL_DEFAULT_CIPHER_LIST);
996 if (ret->cipher_list == NULL
997 || sk_SSL_CIPHER_num(ret->cipher_list) <= 0)
999 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS);
1003 if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)
1005 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);
1008 if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL)
1010 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);
1013 if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL)
1015 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);
1019 if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL)
1022 CRYPTO_new_ex_data(ssl_ctx_meth,(char *)ret,&ret->ex_data);
1024 ret->extra_certs=NULL;
1025 ret->comp_methods=SSL_COMP_get_compression_methods();
1029 SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);
1031 if (ret != NULL) SSL_CTX_free(ret);
1035 static void SSL_COMP_free(SSL_COMP *comp)
1038 void SSL_CTX_free(SSL_CTX *a)
1042 if (a == NULL) return;
1044 i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX);
1046 REF_PRINT("SSL_CTX",a);
1052 fprintf(stderr,"SSL_CTX_free, bad reference count\n");
1056 CRYPTO_free_ex_data(ssl_ctx_meth,(char *)a,&a->ex_data);
1058 if (a->sessions != NULL)
1060 SSL_CTX_flush_sessions(a,0);
1061 lh_free(a->sessions);
1063 if (a->cert_store != NULL)
1064 X509_STORE_free(a->cert_store);
1065 if (a->cipher_list != NULL)
1066 sk_SSL_CIPHER_free(a->cipher_list);
1067 if (a->cipher_list_by_id != NULL)
1068 sk_SSL_CIPHER_free(a->cipher_list_by_id);
1069 if (a->default_cert != NULL)
1070 ssl_cert_free(a->default_cert);
1071 if (a->client_CA != NULL)
1072 sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free);
1073 if (a->extra_certs != NULL)
1074 sk_X509_pop_free(a->extra_certs,X509_free);
1075 if (a->comp_methods != NULL)
1076 sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free);
1080 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx,int (*cb)())
1082 ctx->default_passwd_callback=cb;
1085 void SSL_CTX_set_cert_verify_cb(SSL_CTX *ctx,int (*cb)(),char *arg)
1087 ctx->app_verify_callback=cb;
1088 ctx->app_verify_arg=arg;
1091 void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *))
1093 ctx->verify_mode=mode;
1094 ctx->default_verify_callback=cb;
1095 /* This needs cleaning up EAY EAY EAY */
1096 X509_STORE_set_verify_cb_func(ctx->cert_store,cb);
1099 void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth)
1101 ctx->verify_depth=depth;
1104 /* Need default_cert to check for callbacks, for now (see comment in CERT
1107 void ssl_set_cert_masks(CERT *c,CERT *default_cert,SSL_CIPHER *cipher)
1110 int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign;
1111 int rsa_enc_export,dh_rsa_export,dh_dsa_export;
1112 int rsa_tmp_export,dh_tmp_export,kl;
1113 unsigned long mask,emask;
1115 if (c == NULL) return;
1117 kl=SSL_C_EXPORT_PKEYLENGTH(cipher);
1120 rsa_tmp=(c->rsa_tmp != NULL || default_cert->rsa_tmp_cb != NULL);
1121 rsa_tmp_export=(default_cert->rsa_tmp_cb != NULL ||
1122 (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl));
1124 rsa_tmp=rsa_tmp_export=0;
1127 dh_tmp=(c->dh_tmp != NULL || default_cert->dh_tmp_cb != NULL);
1128 dh_tmp_export=(default_cert->dh_tmp_cb != NULL ||
1129 (dh_tmp && DH_size(c->dh_tmp)*8 <= kl));
1131 dh_tmp=dh_tmp_export=0;
1134 cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);
1135 rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);
1136 rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1137 cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);
1138 rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1139 cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);
1140 dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1141 cpk= &(c->pkeys[SSL_PKEY_DH_RSA]);
1142 dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
1143 dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1144 cpk= &(c->pkeys[SSL_PKEY_DH_DSA]);
1145 /* FIX THIS EAY EAY EAY */
1146 dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
1147 dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1153 printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
1154 rsa_tmp,rsa_tmp_export,dh_tmp,
1155 rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);
1158 if (rsa_enc || (rsa_tmp && rsa_sign))
1160 if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc)))
1164 /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
1165 if ( (dh_tmp || dh_rsa || dh_dsa) &&
1166 (rsa_enc || rsa_sign || dsa_sign))
1168 if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) &&
1169 (rsa_enc || rsa_sign || dsa_sign))
1179 if (dh_rsa) mask|=SSL_kDHr;
1180 if (dh_rsa_export) emask|=SSL_kDHr;
1182 if (dh_dsa) mask|=SSL_kDHd;
1183 if (dh_dsa_export) emask|=SSL_kDHd;
1185 if (rsa_enc || rsa_sign)
1197 #ifdef SSL_ALLOW_ADH
1203 c->export_mask=emask;
1207 /* THIS NEEDS CLEANING UP */
1208 X509 *ssl_get_server_send_cert(SSL *s)
1210 unsigned long alg,mask,kalg;
1215 ssl_set_cert_masks(c,s->ctx->default_cert,s->s3->tmp.new_cipher);
1216 alg=s->s3->tmp.new_cipher->algorithms;
1217 export=SSL_IS_EXPORT(alg);
1218 mask=export?c->export_mask:c->mask;
1219 kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1221 if (kalg & SSL_kDHr)
1223 else if (kalg & SSL_kDHd)
1225 else if (kalg & SSL_aDSS)
1226 i=SSL_PKEY_DSA_SIGN;
1227 else if (kalg & SSL_aRSA)
1229 if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)
1230 i=SSL_PKEY_RSA_SIGN;
1234 else /* if (kalg & SSL_aNULL) */
1236 SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,SSL_R_INTERNAL_ERROR);
1239 if (c->pkeys[i].x509 == NULL) return(NULL);
1240 return(c->pkeys[i].x509);
1243 EVP_PKEY *ssl_get_sign_pkey(SSL *s,SSL_CIPHER *cipher)
1248 alg=cipher->algorithms;
1251 if ((alg & SSL_aDSS) &&
1252 (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
1253 return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey);
1254 else if (alg & SSL_aRSA)
1256 if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
1257 return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey);
1258 else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
1259 return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey);
1263 else /* if (alg & SSL_aNULL) */
1265 SSLerr(SSL_F_SSL_GET_SIGN_PKEY,SSL_R_INTERNAL_ERROR);
1270 void ssl_update_cache(SSL *s,int mode)
1274 /* If the session_id_length is 0, we are not supposed to cache it,
1275 * and it would be rather hard to do anyway :-) */
1276 if (s->session->session_id_length == 0) return;
1278 if ((s->ctx->session_cache_mode & mode)
1280 && SSL_CTX_add_session(s->ctx,s->session)
1281 && (s->ctx->new_session_cb != NULL))
1283 CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION);
1284 if (!s->ctx->new_session_cb(s,s->session))
1285 SSL_SESSION_free(s->session);
1288 /* auto flush every 255 connections */
1289 i=s->ctx->session_cache_mode;
1290 if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) &&
1291 ((i & mode) == mode))
1293 if ( (((mode & SSL_SESS_CACHE_CLIENT)
1294 ?s->ctx->stats.sess_connect_good
1295 :s->ctx->stats.sess_accept_good) & 0xff) == 0xff)
1297 SSL_CTX_flush_sessions(s->ctx,time(NULL));
1302 SSL_METHOD *SSL_get_ssl_method(SSL *s)
1307 int SSL_set_ssl_method(SSL *s,SSL_METHOD *meth)
1312 if (s->method != meth)
1314 if (s->handshake_func != NULL)
1315 conn=(s->handshake_func == s->method->ssl_connect);
1317 if (s->method->version == meth->version)
1321 s->method->ssl_free(s);
1323 ret=s->method->ssl_new(s);
1327 s->handshake_func=meth->ssl_connect;
1329 s->handshake_func=meth->ssl_accept;
1334 int SSL_get_error(SSL *s,int i)
1340 if (i > 0) return(SSL_ERROR_NONE);
1342 /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
1343 * etc, where we do encode the error */
1344 if ((l=ERR_peek_error()) != 0)
1346 if (ERR_GET_LIB(l) == ERR_LIB_SYS)
1347 return(SSL_ERROR_SYSCALL);
1349 return(SSL_ERROR_SSL);
1352 if ((i < 0) && SSL_want_read(s))
1354 bio=SSL_get_rbio(s);
1355 if (BIO_should_read(bio))
1356 return(SSL_ERROR_WANT_READ);
1357 else if (BIO_should_write(bio))
1358 return(SSL_ERROR_WANT_WRITE);
1359 else if (BIO_should_io_special(bio))
1361 reason=BIO_get_retry_reason(bio);
1362 if (reason == BIO_RR_CONNECT)
1363 return(SSL_ERROR_WANT_CONNECT);
1365 return(SSL_ERROR_SYSCALL); /* unknown */
1369 if ((i < 0) && SSL_want_write(s))
1371 bio=SSL_get_wbio(s);
1372 if (BIO_should_write(bio))
1373 return(SSL_ERROR_WANT_WRITE);
1374 else if (BIO_should_read(bio))
1375 return(SSL_ERROR_WANT_READ);
1376 else if (BIO_should_io_special(bio))
1378 reason=BIO_get_retry_reason(bio);
1379 if (reason == BIO_RR_CONNECT)
1380 return(SSL_ERROR_WANT_CONNECT);
1382 return(SSL_ERROR_SYSCALL);
1385 if ((i < 0) && SSL_want_x509_lookup(s))
1387 return(SSL_ERROR_WANT_X509_LOOKUP);
1392 if (s->version == SSL2_VERSION)
1394 /* assume it is the socket being closed */
1395 return(SSL_ERROR_ZERO_RETURN);
1399 if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) &&
1400 (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY))
1401 return(SSL_ERROR_ZERO_RETURN);
1404 return(SSL_ERROR_SYSCALL);
1407 int SSL_do_handshake(SSL *s)
1411 if (s->handshake_func == NULL)
1413 SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET);
1417 s->method->ssl_renegotiate_check(s);
1419 if (SSL_in_init(s) || SSL_in_before(s))
1421 ret=s->handshake_func(s);
1426 /* For the next 2 functions, SSL_clear() sets shutdown and so
1427 * one of these calls will reset it */
1428 void SSL_set_accept_state(SSL *s)
1432 s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE;
1433 s->handshake_func=s->method->ssl_accept;
1434 /* clear the current cipher */
1435 ssl_clear_cipher_ctx(s);
1438 void SSL_set_connect_state(SSL *s)
1442 s->state=SSL_ST_CONNECT|SSL_ST_BEFORE;
1443 s->handshake_func=s->method->ssl_connect;
1444 /* clear the current cipher */
1445 ssl_clear_cipher_ctx(s);
1448 int ssl_undefined_function(SSL *s)
1450 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1454 SSL_METHOD *ssl_bad_method(int ver)
1456 SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1460 char *SSL_get_version(SSL *s)
1462 if (s->version == TLS1_VERSION)
1464 else if (s->version == SSL3_VERSION)
1466 else if (s->version == SSL2_VERSION)
1472 SSL *SSL_dup(SSL *s)
1474 STACK_OF(X509_NAME) *sk;
1479 if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL)
1482 /* This copies version, session-id, SSL_METHOD and 'cert' */
1483 SSL_copy_session_id(ret,s);
1485 SSL_set_read_ahead(ret,SSL_get_read_ahead(s));
1486 SSL_set_verify(ret,SSL_get_verify_mode(s),
1487 SSL_get_verify_callback(s));
1488 SSL_set_verify_depth(ret,SSL_get_verify_depth(s));
1490 SSL_set_info_callback(ret,SSL_get_info_callback(s));
1492 ret->debug=s->debug;
1493 ret->options=s->options;
1495 /* copy app data, a little dangerous perhaps */
1496 if (!CRYPTO_dup_ex_data(ssl_meth,&ret->ex_data,&s->ex_data))
1499 /* setup rbio, and wbio */
1500 if (s->rbio != NULL)
1502 if (!BIO_dup_state(s->rbio,(char *)&ret->rbio))
1505 if (s->wbio != NULL)
1507 if (s->wbio != s->rbio)
1509 if (!BIO_dup_state(s->wbio,(char *)&ret->wbio))
1513 ret->wbio=ret->rbio;
1516 /* dup the cipher_list and cipher_list_by_id stacks */
1517 if (s->cipher_list != NULL)
1519 if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)
1522 if (s->cipher_list_by_id != NULL)
1523 if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id))
1527 /* Dup the client_CA list */
1528 if (s->client_CA != NULL)
1530 if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err;
1532 for (i=0; i<sk_X509_NAME_num(sk); i++)
1534 xn=sk_X509_NAME_value(sk,i);
1535 if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL)
1543 ret->shutdown=s->shutdown;
1544 ret->state=s->state;
1545 ret->handshake_func=s->handshake_func;
1546 ret->server=s->server;
1551 if (ret != NULL) SSL_free(ret);
1557 void ssl_clear_cipher_ctx(SSL *s)
1559 if (s->enc_read_ctx != NULL)
1561 EVP_CIPHER_CTX_cleanup(s->enc_read_ctx);
1562 Free(s->enc_read_ctx);
1563 s->enc_read_ctx=NULL;
1565 if (s->enc_write_ctx != NULL)
1567 EVP_CIPHER_CTX_cleanup(s->enc_write_ctx);
1568 Free(s->enc_write_ctx);
1569 s->enc_write_ctx=NULL;
1571 if (s->expand != NULL)
1573 COMP_CTX_free(s->expand);
1576 if (s->compress != NULL)
1578 COMP_CTX_free(s->compress);
1583 /* Fix this function so that it takes an optional type parameter */
1584 X509 *SSL_get_certificate(SSL *s)
1586 if (s->cert != NULL)
1587 return(s->cert->key->x509);
1592 /* Fix this function so that it takes an optional type parameter */
1593 EVP_PKEY *SSL_get_privatekey(SSL *s)
1595 if (s->cert != NULL)
1596 return(s->cert->key->privatekey);
1601 SSL_CIPHER *SSL_get_current_cipher(SSL *s)
1603 if ((s->session != NULL) && (s->session->cipher != NULL))
1604 return(s->session->cipher);
1608 int ssl_init_wbio_buffer(SSL *s,int push)
1612 if (s->bbio == NULL)
1614 bbio=BIO_new(BIO_f_buffer());
1615 if (bbio == NULL) return(0);
1621 if (s->bbio == s->wbio)
1622 s->wbio=BIO_pop(s->wbio);
1625 /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
1626 if (!BIO_set_read_buffer_size(bbio,1))
1628 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB);
1633 if (s->wbio != bbio)
1634 s->wbio=BIO_push(bbio,s->wbio);
1638 if (s->wbio == bbio)
1639 s->wbio=BIO_pop(bbio);
1644 void ssl_free_wbio_buffer(SSL *s)
1648 if (s->bbio == NULL) return;
1650 if (s->bbio == s->wbio)
1652 /* remove buffering */
1653 under=BIO_pop(s->wbio);
1663 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode)
1665 ctx->quiet_shutdown=mode;
1668 int SSL_CTX_get_quiet_shutdown(SSL_CTX *ctx)
1670 return(ctx->quiet_shutdown);
1673 void SSL_set_quiet_shutdown(SSL *s,int mode)
1675 s->quiet_shutdown=mode;
1678 int SSL_get_quiet_shutdown(SSL *s)
1680 return(s->quiet_shutdown);
1683 void SSL_set_shutdown(SSL *s,int mode)
1688 int SSL_get_shutdown(SSL *s)
1690 return(s->shutdown);
1693 int SSL_version(SSL *s)
1698 SSL_CTX *SSL_get_SSL_CTX(SSL *ssl)
1704 int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
1706 return(X509_STORE_set_default_paths(ctx->cert_store));
1709 int SSL_CTX_load_verify_locations(SSL_CTX *ctx,char *CAfile,char *CApath)
1711 return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath));
1715 void SSL_set_info_callback(SSL *ssl,void (*cb)())
1717 ssl->info_callback=cb;
1720 void (*SSL_get_info_callback(SSL *ssl))(void)
1722 return((void (*)())ssl->info_callback);
1725 int SSL_state(SSL *ssl)
1730 void SSL_set_verify_result(SSL *ssl,long arg)
1732 ssl->verify_result=arg;
1735 long SSL_get_verify_result(SSL *ssl)
1737 return(ssl->verify_result);
1740 int SSL_get_ex_new_index(long argl,char *argp,int (*new_func)(),
1741 int (*dup_func)(),void (*free_func)())
1744 return(CRYPTO_get_ex_new_index(ssl_meth_num-1,
1745 &ssl_meth,argl,argp,new_func,dup_func,free_func));
1748 int SSL_set_ex_data(SSL *s,int idx,void *arg)
1750 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
1753 void *SSL_get_ex_data(SSL *s,int idx)
1755 return(CRYPTO_get_ex_data(&s->ex_data,idx));
1758 int SSL_CTX_get_ex_new_index(long argl,char *argp,int (*new_func)(),
1759 int (*dup_func)(),void (*free_func)())
1762 return(CRYPTO_get_ex_new_index(ssl_ctx_meth_num-1,
1763 &ssl_ctx_meth,argl,argp,new_func,dup_func,free_func));
1766 int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg)
1768 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
1771 void *SSL_CTX_get_ex_data(SSL_CTX *s,int idx)
1773 return(CRYPTO_get_ex_data(&s->ex_data,idx));
1781 X509_STORE *SSL_CTX_get_cert_store(SSL_CTX *ctx)
1783 return(ctx->cert_store);
1786 void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store)
1788 if (ctx->cert_store != NULL)
1789 X509_STORE_free(ctx->cert_store);
1790 ctx->cert_store=store;
1793 int SSL_want(SSL *s)
1799 * \brief Set the callback for generating temporary RSA keys.
1800 * \param ctx the SSL context.
1801 * \param cb the callback
1805 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl,int export,
1807 { SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,0,(char *)cb); }
1811 void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,int export,
1813 { SSL_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,0,(char *)cb); }
1818 * \brief The RSA temporary key callback function.
1819 * \param ssl the SSL session.
1820 * \param export \c TRUE if the temp RSA key is for an export ciphersuite.
1821 * \param keylength if \c export is \c TRUE, then \c keylength is the size of
1822 * the required key in bits.
1823 * \return the temporary RSA key.
1824 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
1827 RSA *cb(SSL *ssl,int export,int keylength)
1832 * \brief Set the callback for generating temporary DH keys.
1833 * \param ctx the SSL context.
1834 * \param dh the callback
1838 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int export,
1840 { SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,0,(char *)dh); }
1842 void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int export,
1844 { SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,0,(char *)dh); }
1847 #if defined(_WINDLL) && defined(WIN16)
1848 #include "../crypto/bio/bss_file.c"
1851 IMPLEMENT_STACK_OF(SSL_CIPHER)
1852 IMPLEMENT_STACK_OF(SSL_COMP)