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->cert != NULL)
183 /* Earlier library versions used to copy the pointer to
184 * the CERT, not its contents; only when setting new
185 * parameters for the per-SSL copy, ssl_cert_new would be
186 * called (and the direct reference to the per-SSL_CTX
187 * settings would be lost, but those still were indirectly
188 * accessed for various purposes, and for that reason they
189 * used to be known as s->ctx->default_cert).
190 * Now we don't look at the SSL_CTX's CERT after having
191 * duplicated it once. */
193 s->cert = ssl_cert_dup(ctx->cert);
198 s->cert=NULL; /* Cannot really happen (see SSL_CTX_new) */
199 s->sid_ctx_length=ctx->sid_ctx_length;
200 memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));
201 s->verify_mode=ctx->verify_mode;
202 s->verify_depth=ctx->verify_depth;
203 s->verify_callback=ctx->default_verify_callback;
204 CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
207 s->verify_result=X509_V_OK;
209 s->method=ctx->method;
211 if (!s->method->ssl_new(s))
214 s->quiet_shutdown=ctx->quiet_shutdown;
216 s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;
217 s->options=ctx->options;
220 CRYPTO_new_ex_data(ssl_meth,(char *)s,&s->ex_data);
227 ssl_cert_free(s->cert);
229 SSL_CTX_free(s->ctx); /* decrement reference count */
232 SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);
236 int SSL_CTX_set_session_id_context(SSL_CTX *ctx,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_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
244 ctx->sid_ctx_length=sid_ctx_len;
245 memcpy(ctx->sid_ctx,sid_ctx,sid_ctx_len);
250 int SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx,
251 unsigned int sid_ctx_len)
253 if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
255 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
258 ssl->sid_ctx_length=sid_ctx_len;
259 memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len);
264 void SSL_free(SSL *s)
271 i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL);
279 fprintf(stderr,"SSL_free, bad reference count\n");
284 CRYPTO_free_ex_data(ssl_meth,(char *)s,&s->ex_data);
288 /* If the buffering BIO is in place, pop it off */
289 if (s->bbio == s->wbio)
291 s->wbio=BIO_pop(s->wbio);
297 BIO_free_all(s->rbio);
298 if ((s->wbio != NULL) && (s->wbio != s->rbio))
299 BIO_free_all(s->wbio);
301 if (s->init_buf != NULL) BUF_MEM_free(s->init_buf);
303 /* add extra stuff */
304 if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list);
305 if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id);
307 /* Make the next call work :-) */
308 if (s->session != NULL)
310 ssl_clear_bad_session(s);
311 SSL_SESSION_free(s->session);
314 ssl_clear_cipher_ctx(s);
316 if (s->cert != NULL) ssl_cert_free(s->cert);
317 /* Free up if allocated */
319 if (s->ctx) SSL_CTX_free(s->ctx);
321 if (s->client_CA != NULL)
322 sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free);
324 if (s->method != NULL) s->method->ssl_free(s);
329 void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio)
331 /* If the output buffering BIO is still in place, remove it
335 if (s->wbio == s->bbio)
337 s->wbio=s->wbio->next_bio;
338 s->bbio->next_bio=NULL;
341 if ((s->rbio != NULL) && (s->rbio != rbio))
342 BIO_free_all(s->rbio);
343 if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio))
344 BIO_free_all(s->wbio);
349 BIO *SSL_get_rbio(SSL *s)
352 BIO *SSL_get_wbio(SSL *s)
355 int SSL_get_fd(SSL *s)
361 r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
368 int SSL_set_fd(SSL *s,int fd)
373 bio=BIO_new(BIO_s_socket());
377 SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB);
380 BIO_set_fd(bio,fd,BIO_NOCLOSE);
381 SSL_set_bio(s,bio,bio);
387 int SSL_set_wfd(SSL *s,int fd)
392 if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET)
393 || ((int)BIO_get_fd(s->rbio,NULL) != fd))
395 bio=BIO_new(BIO_s_socket());
398 { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; }
399 BIO_set_fd(bio,fd,BIO_NOCLOSE);
400 SSL_set_bio(s,SSL_get_rbio(s),bio);
403 SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s));
409 int SSL_set_rfd(SSL *s,int fd)
414 if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET)
415 || ((int)BIO_get_fd(s->wbio,NULL) != fd))
417 bio=BIO_new(BIO_s_socket());
421 SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB);
424 BIO_set_fd(bio,fd,BIO_NOCLOSE);
425 SSL_set_bio(s,bio,SSL_get_wbio(s));
428 SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s));
435 int SSL_get_verify_mode(SSL *s)
437 return(s->verify_mode);
440 int SSL_get_verify_depth(SSL *s)
442 return(s->verify_depth);
445 int (*SSL_get_verify_callback(SSL *s))(int,X509_STORE_CTX *)
447 return(s->verify_callback);
450 int SSL_CTX_get_verify_mode(SSL_CTX *ctx)
452 return(ctx->verify_mode);
455 int SSL_CTX_get_verify_depth(SSL_CTX *ctx)
457 return(ctx->verify_depth);
460 int (*SSL_CTX_get_verify_callback(SSL_CTX *ctx))(int,X509_STORE_CTX *)
462 return(ctx->default_verify_callback);
465 void SSL_set_verify(SSL *s,int mode,
466 int (*callback)(int ok,X509_STORE_CTX *ctx))
469 if (callback != NULL)
470 s->verify_callback=callback;
473 void SSL_set_verify_depth(SSL *s,int depth)
475 s->verify_depth=depth;
478 void SSL_set_read_ahead(SSL *s,int yes)
483 int SSL_get_read_ahead(SSL *s)
485 return(s->read_ahead);
488 int SSL_pending(SSL *s)
490 return(s->method->ssl_pending(s));
493 X509 *SSL_get_peer_certificate(SSL *s)
497 if ((s == NULL) || (s->session == NULL))
502 if (r == NULL) return(r);
504 CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509);
509 STACK_OF(X509) *SSL_get_peer_cert_chain(SSL *s)
513 if ((s == NULL) || (s->session == NULL) || (s->session->sess_cert == NULL))
516 r=s->session->sess_cert->cert_chain;
521 /* Now in theory, since the calling process own 't' it should be safe to
522 * modify. We need to be able to read f without being hassled */
523 void SSL_copy_session_id(SSL *t,SSL *f)
527 /* Do we need to to SSL locking? */
528 SSL_set_session(t,SSL_get_session(f));
530 /* what if we are setup as SSLv2 but want to talk SSLv3 or
532 if (t->method != f->method)
534 t->method->ssl_free(t); /* cleanup current */
535 t->method=f->method; /* change method */
536 t->method->ssl_new(t); /* setup new */
542 CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT);
547 if (tmp != NULL) ssl_cert_free(tmp);
548 SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length);
551 /* Fix this so it checks all the valid key/cert options */
552 int SSL_CTX_check_private_key(SSL_CTX *ctx)
554 if ( (ctx == NULL) ||
555 (ctx->cert == NULL) ||
556 (ctx->cert->key->x509 == NULL))
558 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
561 if (ctx->cert->key->privatekey == NULL)
563 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
566 return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey));
569 /* Fix this function so that it takes an optional type parameter */
570 int SSL_check_private_key(SSL *ssl)
574 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER);
577 if (ssl->cert == NULL)
578 return(SSL_CTX_check_private_key(ssl->ctx));
579 if (ssl->cert->key->x509 == NULL)
581 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
584 if (ssl->cert->key->privatekey == NULL)
586 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
589 return(X509_check_private_key(ssl->cert->key->x509,
590 ssl->cert->key->privatekey));
593 int SSL_accept(SSL *s)
595 return(s->method->ssl_accept(s));
598 int SSL_connect(SSL *s)
600 return(s->method->ssl_connect(s));
603 long SSL_get_default_timeout(SSL *s)
605 return(s->method->get_timeout());
608 int SSL_read(SSL *s,char *buf,int num)
610 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
612 s->rwstate=SSL_NOTHING;
615 return(s->method->ssl_read(s,buf,num));
618 int SSL_peek(SSL *s,char *buf,int num)
620 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
624 return(s->method->ssl_peek(s,buf,num));
627 int SSL_write(SSL *s,const char *buf,int num)
629 if (s->shutdown & SSL_SENT_SHUTDOWN)
631 s->rwstate=SSL_NOTHING;
632 SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN);
635 return(s->method->ssl_write(s,buf,num));
638 int SSL_shutdown(SSL *s)
640 if ((s != NULL) && !SSL_in_init(s))
641 return(s->method->ssl_shutdown(s));
646 int SSL_renegotiate(SSL *s)
649 return(s->method->ssl_renegotiate(s));
652 long SSL_ctrl(SSL *s,int cmd,long larg,char *parg)
658 case SSL_CTRL_GET_READ_AHEAD:
659 return(s->read_ahead);
660 case SSL_CTRL_SET_READ_AHEAD:
664 case SSL_CTRL_OPTIONS:
665 return(s->options|=larg);
667 return(s->method->ssl_ctrl(s,cmd,larg,parg));
671 long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,char *parg)
677 case SSL_CTRL_GET_READ_AHEAD:
678 return(ctx->read_ahead);
679 case SSL_CTRL_SET_READ_AHEAD:
681 ctx->read_ahead=larg;
684 case SSL_CTRL_SET_SESS_CACHE_SIZE:
685 l=ctx->session_cache_size;
686 ctx->session_cache_size=larg;
688 case SSL_CTRL_GET_SESS_CACHE_SIZE:
689 return(ctx->session_cache_size);
690 case SSL_CTRL_SET_SESS_CACHE_MODE:
691 l=ctx->session_cache_mode;
692 ctx->session_cache_mode=larg;
694 case SSL_CTRL_GET_SESS_CACHE_MODE:
695 return(ctx->session_cache_mode);
697 case SSL_CTRL_SESS_NUMBER:
698 return(ctx->sessions->num_items);
699 case SSL_CTRL_SESS_CONNECT:
700 return(ctx->stats.sess_connect);
701 case SSL_CTRL_SESS_CONNECT_GOOD:
702 return(ctx->stats.sess_connect_good);
703 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE:
704 return(ctx->stats.sess_connect_renegotiate);
705 case SSL_CTRL_SESS_ACCEPT:
706 return(ctx->stats.sess_accept);
707 case SSL_CTRL_SESS_ACCEPT_GOOD:
708 return(ctx->stats.sess_accept_good);
709 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE:
710 return(ctx->stats.sess_accept_renegotiate);
711 case SSL_CTRL_SESS_HIT:
712 return(ctx->stats.sess_hit);
713 case SSL_CTRL_SESS_CB_HIT:
714 return(ctx->stats.sess_cb_hit);
715 case SSL_CTRL_SESS_MISSES:
716 return(ctx->stats.sess_miss);
717 case SSL_CTRL_SESS_TIMEOUTS:
718 return(ctx->stats.sess_timeout);
719 case SSL_CTRL_SESS_CACHE_FULL:
720 return(ctx->stats.sess_cache_full);
721 case SSL_CTRL_OPTIONS:
722 return(ctx->options|=larg);
724 return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg));
728 int ssl_cipher_id_cmp(SSL_CIPHER *a,SSL_CIPHER *b)
736 return((l > 0)?1:-1);
739 int ssl_cipher_ptr_id_cmp(SSL_CIPHER **ap,SSL_CIPHER **bp)
743 l=(*ap)->id-(*bp)->id;
747 return((l > 0)?1:-1);
750 /** return a STACK of the ciphers available for the SSL and in order of
752 STACK_OF(SSL_CIPHER) *SSL_get_ciphers(SSL *s)
754 if ((s != NULL) && (s->cipher_list != NULL))
756 return(s->cipher_list);
758 else if ((s->ctx != NULL) &&
759 (s->ctx->cipher_list != NULL))
761 return(s->ctx->cipher_list);
766 /** return a STACK of the ciphers available for the SSL and in order of
768 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s)
770 if ((s != NULL) && (s->cipher_list_by_id != NULL))
772 return(s->cipher_list_by_id);
774 else if ((s != NULL) && (s->ctx != NULL) &&
775 (s->ctx->cipher_list_by_id != NULL))
777 return(s->ctx->cipher_list_by_id);
782 /** The old interface to get the same thing as SSL_get_ciphers() */
783 const char *SSL_get_cipher_list(SSL *s,int n)
786 STACK_OF(SSL_CIPHER) *sk;
788 if (s == NULL) return(NULL);
789 sk=SSL_get_ciphers(s);
790 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n))
792 c=sk_SSL_CIPHER_value(sk,n);
793 if (c == NULL) return(NULL);
797 /** specify the ciphers to be used by defaut by the SSL_CTX */
798 int SSL_CTX_set_cipher_list(SSL_CTX *ctx,char *str)
800 STACK_OF(SSL_CIPHER) *sk;
802 sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list,
803 &ctx->cipher_list_by_id,str);
805 return((sk == NULL)?0:1);
808 /** specify the ciphers to be used by the SSL */
809 int SSL_set_cipher_list(SSL *s,char *str)
811 STACK_OF(SSL_CIPHER) *sk;
813 sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list,
814 &s->cipher_list_by_id,str);
816 return((sk == NULL)?0:1);
819 /* works well for SSLv2, not so good for SSLv3 */
820 char *SSL_get_shared_ciphers(SSL *s,char *buf,int len)
824 STACK_OF(SSL_CIPHER) *sk;
828 if ((s->session == NULL) || (s->session->ciphers == NULL) ||
833 sk=s->session->ciphers;
834 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
836 /* Decrement for either the ':' or a '\0' */
838 c=sk_SSL_CIPHER_value(sk,i);
839 for (cp=c->name; *cp; )
855 int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p)
861 if (sk == NULL) return(0);
864 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
866 c=sk_SSL_CIPHER_value(sk,i);
867 j=ssl_put_cipher_by_char(s,c,p);
873 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
874 STACK_OF(SSL_CIPHER) **skp)
877 STACK_OF(SSL_CIPHER) *sk;
880 n=ssl_put_cipher_by_char(s,NULL,NULL);
883 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
886 if ((skp == NULL) || (*skp == NULL))
887 sk=sk_SSL_CIPHER_new(NULL); /* change perhaps later */
891 sk_SSL_CIPHER_zero(sk);
894 for (i=0; i<num; i+=n)
896 c=ssl_get_cipher_by_char(s,p);
900 if (!sk_SSL_CIPHER_push(sk,c))
902 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
912 if ((skp == NULL) || (*skp == NULL))
913 sk_SSL_CIPHER_free(sk);
917 unsigned long SSL_SESSION_hash(SSL_SESSION *a)
922 ((unsigned int) a->session_id[0] )|
923 ((unsigned int) a->session_id[1]<< 8L)|
924 ((unsigned long)a->session_id[2]<<16L)|
925 ((unsigned long)a->session_id[3]<<24L);
929 int SSL_SESSION_cmp(SSL_SESSION *a,SSL_SESSION *b)
931 if (a->ssl_version != b->ssl_version)
933 if (a->session_id_length != b->session_id_length)
935 return(memcmp(a->session_id,b->session_id,a->session_id_length));
938 SSL_CTX *SSL_CTX_new(SSL_METHOD *meth)
944 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);
948 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
950 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
953 ret=(SSL_CTX *)Malloc(sizeof(SSL_CTX));
957 memset(ret,0,sizeof(SSL_CTX));
961 ret->cert_store=NULL;
962 ret->session_cache_mode=SSL_SESS_CACHE_SERVER;
963 ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
964 ret->session_cache_head=NULL;
965 ret->session_cache_tail=NULL;
967 /* We take the system default */
968 ret->session_timeout=meth->get_timeout();
970 ret->new_session_cb=NULL;
971 ret->remove_session_cb=NULL;
972 ret->get_session_cb=NULL;
974 memset((char *)&ret->stats,0,sizeof(ret->stats));
977 ret->quiet_shutdown=0;
979 /* ret->cipher=NULL;*/
980 /* ret->s2->challenge=NULL;
981 ret->master_key=NULL;
983 ret->s2->conn_id=NULL; */
985 ret->info_callback=NULL;
987 ret->app_verify_callback=NULL;
988 ret->app_verify_arg=NULL;
991 ret->verify_mode=SSL_VERIFY_NONE;
992 ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */
993 ret->default_verify_callback=NULL;
994 if ((ret->cert=ssl_cert_new()) == NULL)
997 ret->default_passwd_callback=NULL;
998 ret->client_cert_cb=NULL;
1000 ret->sessions=lh_new(SSL_SESSION_hash,SSL_SESSION_cmp);
1001 if (ret->sessions == NULL) goto err;
1002 ret->cert_store=X509_STORE_new();
1003 if (ret->cert_store == NULL) goto err;
1005 ssl_create_cipher_list(ret->method,
1006 &ret->cipher_list,&ret->cipher_list_by_id,
1007 SSL_DEFAULT_CIPHER_LIST);
1008 if (ret->cipher_list == NULL
1009 || sk_SSL_CIPHER_num(ret->cipher_list) <= 0)
1011 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS);
1015 if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)
1017 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);
1020 if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL)
1022 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);
1025 if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL)
1027 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);
1031 if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL)
1034 CRYPTO_new_ex_data(ssl_ctx_meth,(char *)ret,&ret->ex_data);
1036 ret->extra_certs=NULL;
1037 ret->comp_methods=SSL_COMP_get_compression_methods();
1041 SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);
1043 if (ret != NULL) SSL_CTX_free(ret);
1047 static void SSL_COMP_free(SSL_COMP *comp)
1050 void SSL_CTX_free(SSL_CTX *a)
1054 if (a == NULL) return;
1056 i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX);
1058 REF_PRINT("SSL_CTX",a);
1064 fprintf(stderr,"SSL_CTX_free, bad reference count\n");
1068 CRYPTO_free_ex_data(ssl_ctx_meth,(char *)a,&a->ex_data);
1070 if (a->sessions != NULL)
1072 SSL_CTX_flush_sessions(a,0);
1073 lh_free(a->sessions);
1075 if (a->cert_store != NULL)
1076 X509_STORE_free(a->cert_store);
1077 if (a->cipher_list != NULL)
1078 sk_SSL_CIPHER_free(a->cipher_list);
1079 if (a->cipher_list_by_id != NULL)
1080 sk_SSL_CIPHER_free(a->cipher_list_by_id);
1081 if (a->cert != NULL)
1082 ssl_cert_free(a->cert);
1083 if (a->client_CA != NULL)
1084 sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free);
1085 if (a->extra_certs != NULL)
1086 sk_X509_pop_free(a->extra_certs,X509_free);
1087 if (a->comp_methods != NULL)
1088 sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free);
1092 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx,int (*cb)())
1094 ctx->default_passwd_callback=cb;
1097 void SSL_CTX_set_cert_verify_cb(SSL_CTX *ctx,int (*cb)(),char *arg)
1099 ctx->app_verify_callback=cb;
1100 ctx->app_verify_arg=arg;
1103 void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *))
1105 ctx->verify_mode=mode;
1106 ctx->default_verify_callback=cb;
1107 /* This needs cleaning up EAY EAY EAY */
1108 X509_STORE_set_verify_cb_func(ctx->cert_store,cb);
1111 void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth)
1113 ctx->verify_depth=depth;
1116 void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher)
1119 int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign;
1120 int rsa_enc_export,dh_rsa_export,dh_dsa_export;
1121 int rsa_tmp_export,dh_tmp_export,kl;
1122 unsigned long mask,emask;
1124 if (c == NULL) return;
1126 kl=SSL_C_EXPORT_PKEYLENGTH(cipher);
1129 rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL);
1130 rsa_tmp_export=(c->rsa_tmp_cb != NULL ||
1131 (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl));
1133 rsa_tmp=rsa_tmp_export=0;
1136 dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL);
1137 dh_tmp_export=(c->dh_tmp_cb != NULL ||
1138 (dh_tmp && DH_size(c->dh_tmp)*8 <= kl));
1140 dh_tmp=dh_tmp_export=0;
1143 cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);
1144 rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);
1145 rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1146 cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);
1147 rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1148 cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);
1149 dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1150 cpk= &(c->pkeys[SSL_PKEY_DH_RSA]);
1151 dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
1152 dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1153 cpk= &(c->pkeys[SSL_PKEY_DH_DSA]);
1154 /* FIX THIS EAY EAY EAY */
1155 dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
1156 dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1162 printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
1163 rsa_tmp,rsa_tmp_export,dh_tmp,
1164 rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);
1167 if (rsa_enc || (rsa_tmp && rsa_sign))
1169 if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc)))
1173 /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
1174 if ( (dh_tmp || dh_rsa || dh_dsa) &&
1175 (rsa_enc || rsa_sign || dsa_sign))
1177 if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) &&
1178 (rsa_enc || rsa_sign || dsa_sign))
1188 if (dh_rsa) mask|=SSL_kDHr;
1189 if (dh_rsa_export) emask|=SSL_kDHr;
1191 if (dh_dsa) mask|=SSL_kDHd;
1192 if (dh_dsa_export) emask|=SSL_kDHd;
1194 if (rsa_enc || rsa_sign)
1206 #ifdef SSL_ALLOW_ADH
1212 c->export_mask=emask;
1216 /* THIS NEEDS CLEANING UP */
1217 X509 *ssl_get_server_send_cert(SSL *s)
1219 unsigned long alg,mask,kalg;
1224 ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
1225 alg=s->s3->tmp.new_cipher->algorithms;
1226 export=SSL_IS_EXPORT(alg);
1227 mask=export?c->export_mask:c->mask;
1228 kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1230 if (kalg & SSL_kDHr)
1232 else if (kalg & SSL_kDHd)
1234 else if (kalg & SSL_aDSS)
1235 i=SSL_PKEY_DSA_SIGN;
1236 else if (kalg & SSL_aRSA)
1238 if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)
1239 i=SSL_PKEY_RSA_SIGN;
1243 else /* if (kalg & SSL_aNULL) */
1245 SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,SSL_R_INTERNAL_ERROR);
1248 if (c->pkeys[i].x509 == NULL) return(NULL);
1249 return(c->pkeys[i].x509);
1252 EVP_PKEY *ssl_get_sign_pkey(SSL *s,SSL_CIPHER *cipher)
1257 alg=cipher->algorithms;
1260 if ((alg & SSL_aDSS) &&
1261 (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
1262 return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey);
1263 else if (alg & SSL_aRSA)
1265 if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
1266 return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey);
1267 else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
1268 return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey);
1272 else /* if (alg & SSL_aNULL) */
1274 SSLerr(SSL_F_SSL_GET_SIGN_PKEY,SSL_R_INTERNAL_ERROR);
1279 void ssl_update_cache(SSL *s,int mode)
1283 /* If the session_id_length is 0, we are not supposed to cache it,
1284 * and it would be rather hard to do anyway :-) */
1285 if (s->session->session_id_length == 0) return;
1287 if ((s->ctx->session_cache_mode & mode)
1289 && SSL_CTX_add_session(s->ctx,s->session)
1290 && (s->ctx->new_session_cb != NULL))
1292 CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION);
1293 if (!s->ctx->new_session_cb(s,s->session))
1294 SSL_SESSION_free(s->session);
1297 /* auto flush every 255 connections */
1298 i=s->ctx->session_cache_mode;
1299 if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) &&
1300 ((i & mode) == mode))
1302 if ( (((mode & SSL_SESS_CACHE_CLIENT)
1303 ?s->ctx->stats.sess_connect_good
1304 :s->ctx->stats.sess_accept_good) & 0xff) == 0xff)
1306 SSL_CTX_flush_sessions(s->ctx,time(NULL));
1311 SSL_METHOD *SSL_get_ssl_method(SSL *s)
1316 int SSL_set_ssl_method(SSL *s,SSL_METHOD *meth)
1321 if (s->method != meth)
1323 if (s->handshake_func != NULL)
1324 conn=(s->handshake_func == s->method->ssl_connect);
1326 if (s->method->version == meth->version)
1330 s->method->ssl_free(s);
1332 ret=s->method->ssl_new(s);
1336 s->handshake_func=meth->ssl_connect;
1338 s->handshake_func=meth->ssl_accept;
1343 int SSL_get_error(SSL *s,int i)
1349 if (i > 0) return(SSL_ERROR_NONE);
1351 /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
1352 * etc, where we do encode the error */
1353 if ((l=ERR_peek_error()) != 0)
1355 if (ERR_GET_LIB(l) == ERR_LIB_SYS)
1356 return(SSL_ERROR_SYSCALL);
1358 return(SSL_ERROR_SSL);
1361 if ((i < 0) && SSL_want_read(s))
1363 bio=SSL_get_rbio(s);
1364 if (BIO_should_read(bio))
1365 return(SSL_ERROR_WANT_READ);
1366 else if (BIO_should_write(bio))
1367 return(SSL_ERROR_WANT_WRITE);
1368 else if (BIO_should_io_special(bio))
1370 reason=BIO_get_retry_reason(bio);
1371 if (reason == BIO_RR_CONNECT)
1372 return(SSL_ERROR_WANT_CONNECT);
1374 return(SSL_ERROR_SYSCALL); /* unknown */
1378 if ((i < 0) && SSL_want_write(s))
1380 bio=SSL_get_wbio(s);
1381 if (BIO_should_write(bio))
1382 return(SSL_ERROR_WANT_WRITE);
1383 else if (BIO_should_read(bio))
1384 return(SSL_ERROR_WANT_READ);
1385 else if (BIO_should_io_special(bio))
1387 reason=BIO_get_retry_reason(bio);
1388 if (reason == BIO_RR_CONNECT)
1389 return(SSL_ERROR_WANT_CONNECT);
1391 return(SSL_ERROR_SYSCALL);
1394 if ((i < 0) && SSL_want_x509_lookup(s))
1396 return(SSL_ERROR_WANT_X509_LOOKUP);
1401 if (s->version == SSL2_VERSION)
1403 /* assume it is the socket being closed */
1404 return(SSL_ERROR_ZERO_RETURN);
1408 if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) &&
1409 (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY))
1410 return(SSL_ERROR_ZERO_RETURN);
1413 return(SSL_ERROR_SYSCALL);
1416 int SSL_do_handshake(SSL *s)
1420 if (s->handshake_func == NULL)
1422 SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET);
1426 s->method->ssl_renegotiate_check(s);
1428 if (SSL_in_init(s) || SSL_in_before(s))
1430 ret=s->handshake_func(s);
1435 /* For the next 2 functions, SSL_clear() sets shutdown and so
1436 * one of these calls will reset it */
1437 void SSL_set_accept_state(SSL *s)
1441 s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE;
1442 s->handshake_func=s->method->ssl_accept;
1443 /* clear the current cipher */
1444 ssl_clear_cipher_ctx(s);
1447 void SSL_set_connect_state(SSL *s)
1451 s->state=SSL_ST_CONNECT|SSL_ST_BEFORE;
1452 s->handshake_func=s->method->ssl_connect;
1453 /* clear the current cipher */
1454 ssl_clear_cipher_ctx(s);
1457 int ssl_undefined_function(SSL *s)
1459 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1463 SSL_METHOD *ssl_bad_method(int ver)
1465 SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1469 char *SSL_get_version(SSL *s)
1471 if (s->version == TLS1_VERSION)
1473 else if (s->version == SSL3_VERSION)
1475 else if (s->version == SSL2_VERSION)
1481 SSL *SSL_dup(SSL *s)
1483 STACK_OF(X509_NAME) *sk;
1488 if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL)
1491 /* This copies version, session-id, SSL_METHOD and 'cert' */
1492 SSL_copy_session_id(ret,s);
1494 SSL_set_read_ahead(ret,SSL_get_read_ahead(s));
1495 SSL_set_verify(ret,SSL_get_verify_mode(s),
1496 SSL_get_verify_callback(s));
1497 SSL_set_verify_depth(ret,SSL_get_verify_depth(s));
1499 SSL_set_info_callback(ret,SSL_get_info_callback(s));
1501 ret->debug=s->debug;
1502 ret->options=s->options;
1504 /* copy app data, a little dangerous perhaps */
1505 if (!CRYPTO_dup_ex_data(ssl_meth,&ret->ex_data,&s->ex_data))
1508 /* setup rbio, and wbio */
1509 if (s->rbio != NULL)
1511 if (!BIO_dup_state(s->rbio,(char *)&ret->rbio))
1514 if (s->wbio != NULL)
1516 if (s->wbio != s->rbio)
1518 if (!BIO_dup_state(s->wbio,(char *)&ret->wbio))
1522 ret->wbio=ret->rbio;
1525 /* dup the cipher_list and cipher_list_by_id stacks */
1526 if (s->cipher_list != NULL)
1528 if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)
1531 if (s->cipher_list_by_id != NULL)
1532 if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id))
1536 /* Dup the client_CA list */
1537 if (s->client_CA != NULL)
1539 if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err;
1541 for (i=0; i<sk_X509_NAME_num(sk); i++)
1543 xn=sk_X509_NAME_value(sk,i);
1544 if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL)
1552 ret->shutdown=s->shutdown;
1553 ret->state=s->state;
1554 ret->handshake_func=s->handshake_func;
1555 ret->server=s->server;
1560 if (ret != NULL) SSL_free(ret);
1566 void ssl_clear_cipher_ctx(SSL *s)
1568 if (s->enc_read_ctx != NULL)
1570 EVP_CIPHER_CTX_cleanup(s->enc_read_ctx);
1571 Free(s->enc_read_ctx);
1572 s->enc_read_ctx=NULL;
1574 if (s->enc_write_ctx != NULL)
1576 EVP_CIPHER_CTX_cleanup(s->enc_write_ctx);
1577 Free(s->enc_write_ctx);
1578 s->enc_write_ctx=NULL;
1580 if (s->expand != NULL)
1582 COMP_CTX_free(s->expand);
1585 if (s->compress != NULL)
1587 COMP_CTX_free(s->compress);
1592 /* Fix this function so that it takes an optional type parameter */
1593 X509 *SSL_get_certificate(SSL *s)
1595 if (s->cert != NULL)
1596 return(s->cert->key->x509);
1601 /* Fix this function so that it takes an optional type parameter */
1602 EVP_PKEY *SSL_get_privatekey(SSL *s)
1604 if (s->cert != NULL)
1605 return(s->cert->key->privatekey);
1610 SSL_CIPHER *SSL_get_current_cipher(SSL *s)
1612 if ((s->session != NULL) && (s->session->cipher != NULL))
1613 return(s->session->cipher);
1617 int ssl_init_wbio_buffer(SSL *s,int push)
1621 if (s->bbio == NULL)
1623 bbio=BIO_new(BIO_f_buffer());
1624 if (bbio == NULL) return(0);
1630 if (s->bbio == s->wbio)
1631 s->wbio=BIO_pop(s->wbio);
1634 /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
1635 if (!BIO_set_read_buffer_size(bbio,1))
1637 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB);
1642 if (s->wbio != bbio)
1643 s->wbio=BIO_push(bbio,s->wbio);
1647 if (s->wbio == bbio)
1648 s->wbio=BIO_pop(bbio);
1653 void ssl_free_wbio_buffer(SSL *s)
1657 if (s->bbio == NULL) return;
1659 if (s->bbio == s->wbio)
1661 /* remove buffering */
1662 under=BIO_pop(s->wbio);
1672 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode)
1674 ctx->quiet_shutdown=mode;
1677 int SSL_CTX_get_quiet_shutdown(SSL_CTX *ctx)
1679 return(ctx->quiet_shutdown);
1682 void SSL_set_quiet_shutdown(SSL *s,int mode)
1684 s->quiet_shutdown=mode;
1687 int SSL_get_quiet_shutdown(SSL *s)
1689 return(s->quiet_shutdown);
1692 void SSL_set_shutdown(SSL *s,int mode)
1697 int SSL_get_shutdown(SSL *s)
1699 return(s->shutdown);
1702 int SSL_version(SSL *s)
1707 SSL_CTX *SSL_get_SSL_CTX(SSL *ssl)
1713 int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
1715 return(X509_STORE_set_default_paths(ctx->cert_store));
1718 int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
1721 return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath));
1725 void SSL_set_info_callback(SSL *ssl,void (*cb)())
1727 ssl->info_callback=cb;
1730 void (*SSL_get_info_callback(SSL *ssl))(void)
1732 return((void (*)())ssl->info_callback);
1735 int SSL_state(SSL *ssl)
1740 void SSL_set_verify_result(SSL *ssl,long arg)
1742 ssl->verify_result=arg;
1745 long SSL_get_verify_result(SSL *ssl)
1747 return(ssl->verify_result);
1750 int SSL_get_ex_new_index(long argl,char *argp,int (*new_func)(),
1751 int (*dup_func)(),void (*free_func)())
1754 return(CRYPTO_get_ex_new_index(ssl_meth_num-1,
1755 &ssl_meth,argl,argp,new_func,dup_func,free_func));
1758 int SSL_set_ex_data(SSL *s,int idx,void *arg)
1760 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
1763 void *SSL_get_ex_data(SSL *s,int idx)
1765 return(CRYPTO_get_ex_data(&s->ex_data,idx));
1768 int SSL_CTX_get_ex_new_index(long argl,char *argp,int (*new_func)(),
1769 int (*dup_func)(),void (*free_func)())
1772 return(CRYPTO_get_ex_new_index(ssl_ctx_meth_num-1,
1773 &ssl_ctx_meth,argl,argp,new_func,dup_func,free_func));
1776 int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg)
1778 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
1781 void *SSL_CTX_get_ex_data(SSL_CTX *s,int idx)
1783 return(CRYPTO_get_ex_data(&s->ex_data,idx));
1791 X509_STORE *SSL_CTX_get_cert_store(SSL_CTX *ctx)
1793 return(ctx->cert_store);
1796 void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store)
1798 if (ctx->cert_store != NULL)
1799 X509_STORE_free(ctx->cert_store);
1800 ctx->cert_store=store;
1803 int SSL_want(SSL *s)
1809 * \brief Set the callback for generating temporary RSA keys.
1810 * \param ctx the SSL context.
1811 * \param cb the callback
1815 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl,int export,
1817 { SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,0,(char *)cb); }
1821 void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,int export,
1823 { SSL_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,0,(char *)cb); }
1828 * \brief The RSA temporary key callback function.
1829 * \param ssl the SSL session.
1830 * \param export \c TRUE if the temp RSA key is for an export ciphersuite.
1831 * \param keylength if \c export is \c TRUE, then \c keylength is the size of
1832 * the required key in bits.
1833 * \return the temporary RSA key.
1834 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
1837 RSA *cb(SSL *ssl,int export,int keylength)
1842 * \brief Set the callback for generating temporary DH keys.
1843 * \param ctx the SSL context.
1844 * \param dh the callback
1848 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int export,
1850 { SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,0,(char *)dh); }
1852 void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int export,
1854 { SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,0,(char *)dh); }
1857 #if defined(_WINDLL) && defined(WIN16)
1858 #include "../crypto/bio/bss_file.c"
1861 IMPLEMENT_STACK_OF(SSL_CIPHER)
1862 IMPLEMENT_STACK_OF(SSL_COMP)