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 OPENSSL_GLOBAL 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 if (s->handshake_func == 0)
596 /* Not properly initialized yet */
597 SSL_set_accept_state(s);
599 return(s->method->ssl_accept(s));
602 int SSL_connect(SSL *s)
604 if (s->handshake_func == 0)
605 /* Not properly initialized yet */
606 SSL_set_connect_state(s);
608 return(s->method->ssl_connect(s));
611 long SSL_get_default_timeout(SSL *s)
613 return(s->method->get_timeout());
616 int SSL_read(SSL *s,char *buf,int num)
618 if (s->handshake_func == 0)
620 SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
624 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
626 s->rwstate=SSL_NOTHING;
629 return(s->method->ssl_read(s,buf,num));
632 int SSL_peek(SSL *s,char *buf,int num)
634 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
638 return(s->method->ssl_peek(s,buf,num));
641 int SSL_write(SSL *s,const char *buf,int num)
643 if (s->handshake_func == 0)
645 SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED);
649 if (s->shutdown & SSL_SENT_SHUTDOWN)
651 s->rwstate=SSL_NOTHING;
652 SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN);
655 return(s->method->ssl_write(s,buf,num));
658 int SSL_shutdown(SSL *s)
660 /* Note that this function behaves differently from what one might
661 * expect. Return values are 0 for no success (yet),
662 * 1 for success; but calling it once is usually not enough,
663 * even if blocking I/O is used (see ssl3_shutdown).
666 if (s->handshake_func == 0)
668 SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED);
672 if ((s != NULL) && !SSL_in_init(s))
673 return(s->method->ssl_shutdown(s));
678 int SSL_renegotiate(SSL *s)
681 return(s->method->ssl_renegotiate(s));
684 long SSL_ctrl(SSL *s,int cmd,long larg,char *parg)
690 case SSL_CTRL_GET_READ_AHEAD:
691 return(s->read_ahead);
692 case SSL_CTRL_SET_READ_AHEAD:
696 case SSL_CTRL_OPTIONS:
697 return(s->options|=larg);
699 return(s->method->ssl_ctrl(s,cmd,larg,parg));
703 long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,char *parg)
709 case SSL_CTRL_GET_READ_AHEAD:
710 return(ctx->read_ahead);
711 case SSL_CTRL_SET_READ_AHEAD:
713 ctx->read_ahead=larg;
716 case SSL_CTRL_SET_SESS_CACHE_SIZE:
717 l=ctx->session_cache_size;
718 ctx->session_cache_size=larg;
720 case SSL_CTRL_GET_SESS_CACHE_SIZE:
721 return(ctx->session_cache_size);
722 case SSL_CTRL_SET_SESS_CACHE_MODE:
723 l=ctx->session_cache_mode;
724 ctx->session_cache_mode=larg;
726 case SSL_CTRL_GET_SESS_CACHE_MODE:
727 return(ctx->session_cache_mode);
729 case SSL_CTRL_SESS_NUMBER:
730 return(ctx->sessions->num_items);
731 case SSL_CTRL_SESS_CONNECT:
732 return(ctx->stats.sess_connect);
733 case SSL_CTRL_SESS_CONNECT_GOOD:
734 return(ctx->stats.sess_connect_good);
735 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE:
736 return(ctx->stats.sess_connect_renegotiate);
737 case SSL_CTRL_SESS_ACCEPT:
738 return(ctx->stats.sess_accept);
739 case SSL_CTRL_SESS_ACCEPT_GOOD:
740 return(ctx->stats.sess_accept_good);
741 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE:
742 return(ctx->stats.sess_accept_renegotiate);
743 case SSL_CTRL_SESS_HIT:
744 return(ctx->stats.sess_hit);
745 case SSL_CTRL_SESS_CB_HIT:
746 return(ctx->stats.sess_cb_hit);
747 case SSL_CTRL_SESS_MISSES:
748 return(ctx->stats.sess_miss);
749 case SSL_CTRL_SESS_TIMEOUTS:
750 return(ctx->stats.sess_timeout);
751 case SSL_CTRL_SESS_CACHE_FULL:
752 return(ctx->stats.sess_cache_full);
753 case SSL_CTRL_OPTIONS:
754 return(ctx->options|=larg);
756 return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg));
760 int ssl_cipher_id_cmp(SSL_CIPHER *a,SSL_CIPHER *b)
768 return((l > 0)?1:-1);
771 int ssl_cipher_ptr_id_cmp(SSL_CIPHER **ap,SSL_CIPHER **bp)
775 l=(*ap)->id-(*bp)->id;
779 return((l > 0)?1:-1);
782 /** return a STACK of the ciphers available for the SSL and in order of
784 STACK_OF(SSL_CIPHER) *SSL_get_ciphers(SSL *s)
786 if ((s != NULL) && (s->cipher_list != NULL))
788 return(s->cipher_list);
790 else if ((s->ctx != NULL) &&
791 (s->ctx->cipher_list != NULL))
793 return(s->ctx->cipher_list);
798 /** return a STACK of the ciphers available for the SSL and in order of
800 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s)
802 if ((s != NULL) && (s->cipher_list_by_id != NULL))
804 return(s->cipher_list_by_id);
806 else if ((s != NULL) && (s->ctx != NULL) &&
807 (s->ctx->cipher_list_by_id != NULL))
809 return(s->ctx->cipher_list_by_id);
814 /** The old interface to get the same thing as SSL_get_ciphers() */
815 const char *SSL_get_cipher_list(SSL *s,int n)
818 STACK_OF(SSL_CIPHER) *sk;
820 if (s == NULL) return(NULL);
821 sk=SSL_get_ciphers(s);
822 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n))
824 c=sk_SSL_CIPHER_value(sk,n);
825 if (c == NULL) return(NULL);
829 /** specify the ciphers to be used by defaut by the SSL_CTX */
830 int SSL_CTX_set_cipher_list(SSL_CTX *ctx,char *str)
832 STACK_OF(SSL_CIPHER) *sk;
834 sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list,
835 &ctx->cipher_list_by_id,str);
837 return((sk == NULL)?0:1);
840 /** specify the ciphers to be used by the SSL */
841 int SSL_set_cipher_list(SSL *s,char *str)
843 STACK_OF(SSL_CIPHER) *sk;
845 sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list,
846 &s->cipher_list_by_id,str);
848 return((sk == NULL)?0:1);
851 /* works well for SSLv2, not so good for SSLv3 */
852 char *SSL_get_shared_ciphers(SSL *s,char *buf,int len)
856 STACK_OF(SSL_CIPHER) *sk;
860 if ((s->session == NULL) || (s->session->ciphers == NULL) ||
865 sk=s->session->ciphers;
866 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
868 /* Decrement for either the ':' or a '\0' */
870 c=sk_SSL_CIPHER_value(sk,i);
871 for (cp=c->name; *cp; )
887 int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p)
893 if (sk == NULL) return(0);
896 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
898 c=sk_SSL_CIPHER_value(sk,i);
899 j=ssl_put_cipher_by_char(s,c,p);
905 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
906 STACK_OF(SSL_CIPHER) **skp)
909 STACK_OF(SSL_CIPHER) *sk;
912 n=ssl_put_cipher_by_char(s,NULL,NULL);
915 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
918 if ((skp == NULL) || (*skp == NULL))
919 sk=sk_SSL_CIPHER_new(NULL); /* change perhaps later */
923 sk_SSL_CIPHER_zero(sk);
926 for (i=0; i<num; i+=n)
928 c=ssl_get_cipher_by_char(s,p);
932 if (!sk_SSL_CIPHER_push(sk,c))
934 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
944 if ((skp == NULL) || (*skp == NULL))
945 sk_SSL_CIPHER_free(sk);
949 unsigned long SSL_SESSION_hash(SSL_SESSION *a)
954 ((unsigned int) a->session_id[0] )|
955 ((unsigned int) a->session_id[1]<< 8L)|
956 ((unsigned long)a->session_id[2]<<16L)|
957 ((unsigned long)a->session_id[3]<<24L);
961 int SSL_SESSION_cmp(SSL_SESSION *a,SSL_SESSION *b)
963 if (a->ssl_version != b->ssl_version)
965 if (a->session_id_length != b->session_id_length)
967 return(memcmp(a->session_id,b->session_id,a->session_id_length));
970 SSL_CTX *SSL_CTX_new(SSL_METHOD *meth)
976 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);
980 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
982 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
985 ret=(SSL_CTX *)Malloc(sizeof(SSL_CTX));
989 memset(ret,0,sizeof(SSL_CTX));
993 ret->cert_store=NULL;
994 ret->session_cache_mode=SSL_SESS_CACHE_SERVER;
995 ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
996 ret->session_cache_head=NULL;
997 ret->session_cache_tail=NULL;
999 /* We take the system default */
1000 ret->session_timeout=meth->get_timeout();
1002 ret->new_session_cb=NULL;
1003 ret->remove_session_cb=NULL;
1004 ret->get_session_cb=NULL;
1006 memset((char *)&ret->stats,0,sizeof(ret->stats));
1009 ret->quiet_shutdown=0;
1011 /* ret->cipher=NULL;*/
1012 /* ret->s2->challenge=NULL;
1013 ret->master_key=NULL;
1015 ret->s2->conn_id=NULL; */
1017 ret->info_callback=NULL;
1019 ret->app_verify_callback=NULL;
1020 ret->app_verify_arg=NULL;
1023 ret->verify_mode=SSL_VERIFY_NONE;
1024 ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */
1025 ret->default_verify_callback=NULL;
1026 if ((ret->cert=ssl_cert_new()) == NULL)
1029 ret->default_passwd_callback=NULL;
1030 ret->client_cert_cb=NULL;
1032 ret->sessions=lh_new(SSL_SESSION_hash,SSL_SESSION_cmp);
1033 if (ret->sessions == NULL) goto err;
1034 ret->cert_store=X509_STORE_new();
1035 if (ret->cert_store == NULL) goto err;
1037 ssl_create_cipher_list(ret->method,
1038 &ret->cipher_list,&ret->cipher_list_by_id,
1039 SSL_DEFAULT_CIPHER_LIST);
1040 if (ret->cipher_list == NULL
1041 || sk_SSL_CIPHER_num(ret->cipher_list) <= 0)
1043 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS);
1047 if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)
1049 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);
1052 if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL)
1054 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);
1057 if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL)
1059 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);
1063 if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL)
1066 CRYPTO_new_ex_data(ssl_ctx_meth,(char *)ret,&ret->ex_data);
1068 ret->extra_certs=NULL;
1069 ret->comp_methods=SSL_COMP_get_compression_methods();
1073 SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);
1075 if (ret != NULL) SSL_CTX_free(ret);
1079 static void SSL_COMP_free(SSL_COMP *comp)
1082 void SSL_CTX_free(SSL_CTX *a)
1086 if (a == NULL) return;
1088 i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX);
1090 REF_PRINT("SSL_CTX",a);
1096 fprintf(stderr,"SSL_CTX_free, bad reference count\n");
1100 CRYPTO_free_ex_data(ssl_ctx_meth,(char *)a,&a->ex_data);
1102 if (a->sessions != NULL)
1104 SSL_CTX_flush_sessions(a,0);
1105 lh_free(a->sessions);
1107 if (a->cert_store != NULL)
1108 X509_STORE_free(a->cert_store);
1109 if (a->cipher_list != NULL)
1110 sk_SSL_CIPHER_free(a->cipher_list);
1111 if (a->cipher_list_by_id != NULL)
1112 sk_SSL_CIPHER_free(a->cipher_list_by_id);
1113 if (a->cert != NULL)
1114 ssl_cert_free(a->cert);
1115 if (a->client_CA != NULL)
1116 sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free);
1117 if (a->extra_certs != NULL)
1118 sk_X509_pop_free(a->extra_certs,X509_free);
1119 if (a->comp_methods != NULL)
1120 sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free);
1124 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb)
1126 ctx->default_passwd_callback=cb;
1129 void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,int (*cb)(),char *arg)
1131 ctx->app_verify_callback=cb;
1132 ctx->app_verify_arg=arg;
1135 void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *))
1137 ctx->verify_mode=mode;
1138 ctx->default_verify_callback=cb;
1139 /* This needs cleaning up EAY EAY EAY */
1140 X509_STORE_set_verify_cb_func(ctx->cert_store,cb);
1143 void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth)
1145 ctx->verify_depth=depth;
1148 void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher)
1151 int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign;
1152 int rsa_enc_export,dh_rsa_export,dh_dsa_export;
1153 int rsa_tmp_export,dh_tmp_export,kl;
1154 unsigned long mask,emask;
1156 if (c == NULL) return;
1158 kl=SSL_C_EXPORT_PKEYLENGTH(cipher);
1161 rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL);
1162 rsa_tmp_export=(c->rsa_tmp_cb != NULL ||
1163 (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl));
1165 rsa_tmp=rsa_tmp_export=0;
1168 dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL);
1169 dh_tmp_export=(c->dh_tmp_cb != NULL ||
1170 (dh_tmp && DH_size(c->dh_tmp)*8 <= kl));
1172 dh_tmp=dh_tmp_export=0;
1175 cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);
1176 rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);
1177 rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1178 cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);
1179 rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1180 cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);
1181 dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1182 cpk= &(c->pkeys[SSL_PKEY_DH_RSA]);
1183 dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
1184 dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1185 cpk= &(c->pkeys[SSL_PKEY_DH_DSA]);
1186 /* FIX THIS EAY EAY EAY */
1187 dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
1188 dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1194 printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
1195 rsa_tmp,rsa_tmp_export,dh_tmp,
1196 rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);
1199 if (rsa_enc || (rsa_tmp && rsa_sign))
1201 if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc)))
1205 /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
1206 if ( (dh_tmp || dh_rsa || dh_dsa) &&
1207 (rsa_enc || rsa_sign || dsa_sign))
1209 if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) &&
1210 (rsa_enc || rsa_sign || dsa_sign))
1220 if (dh_rsa) mask|=SSL_kDHr;
1221 if (dh_rsa_export) emask|=SSL_kDHr;
1223 if (dh_dsa) mask|=SSL_kDHd;
1224 if (dh_dsa_export) emask|=SSL_kDHd;
1226 if (rsa_enc || rsa_sign)
1238 #ifdef SSL_ALLOW_ADH
1244 c->export_mask=emask;
1248 /* THIS NEEDS CLEANING UP */
1249 X509 *ssl_get_server_send_cert(SSL *s)
1251 unsigned long alg,mask,kalg;
1256 ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
1257 alg=s->s3->tmp.new_cipher->algorithms;
1258 is_export=SSL_IS_EXPORT(alg);
1259 mask=is_export?c->export_mask:c->mask;
1260 kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1262 if (kalg & SSL_kDHr)
1264 else if (kalg & SSL_kDHd)
1266 else if (kalg & SSL_aDSS)
1267 i=SSL_PKEY_DSA_SIGN;
1268 else if (kalg & SSL_aRSA)
1270 if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)
1271 i=SSL_PKEY_RSA_SIGN;
1275 else /* if (kalg & SSL_aNULL) */
1277 SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,SSL_R_INTERNAL_ERROR);
1280 if (c->pkeys[i].x509 == NULL) return(NULL);
1281 return(c->pkeys[i].x509);
1284 EVP_PKEY *ssl_get_sign_pkey(SSL *s,SSL_CIPHER *cipher)
1289 alg=cipher->algorithms;
1292 if ((alg & SSL_aDSS) &&
1293 (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
1294 return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey);
1295 else if (alg & SSL_aRSA)
1297 if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
1298 return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey);
1299 else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
1300 return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey);
1304 else /* if (alg & SSL_aNULL) */
1306 SSLerr(SSL_F_SSL_GET_SIGN_PKEY,SSL_R_INTERNAL_ERROR);
1311 void ssl_update_cache(SSL *s,int mode)
1315 /* If the session_id_length is 0, we are not supposed to cache it,
1316 * and it would be rather hard to do anyway :-) */
1317 if (s->session->session_id_length == 0) return;
1319 if ((s->ctx->session_cache_mode & mode)
1321 && SSL_CTX_add_session(s->ctx,s->session)
1322 && (s->ctx->new_session_cb != NULL))
1324 CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION);
1325 if (!s->ctx->new_session_cb(s,s->session))
1326 SSL_SESSION_free(s->session);
1329 /* auto flush every 255 connections */
1330 i=s->ctx->session_cache_mode;
1331 if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) &&
1332 ((i & mode) == mode))
1334 if ( (((mode & SSL_SESS_CACHE_CLIENT)
1335 ?s->ctx->stats.sess_connect_good
1336 :s->ctx->stats.sess_accept_good) & 0xff) == 0xff)
1338 SSL_CTX_flush_sessions(s->ctx,time(NULL));
1343 SSL_METHOD *SSL_get_ssl_method(SSL *s)
1348 int SSL_set_ssl_method(SSL *s,SSL_METHOD *meth)
1353 if (s->method != meth)
1355 if (s->handshake_func != NULL)
1356 conn=(s->handshake_func == s->method->ssl_connect);
1358 if (s->method->version == meth->version)
1362 s->method->ssl_free(s);
1364 ret=s->method->ssl_new(s);
1368 s->handshake_func=meth->ssl_connect;
1370 s->handshake_func=meth->ssl_accept;
1375 int SSL_get_error(SSL *s,int i)
1381 if (i > 0) return(SSL_ERROR_NONE);
1383 /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
1384 * etc, where we do encode the error */
1385 if ((l=ERR_peek_error()) != 0)
1387 if (ERR_GET_LIB(l) == ERR_LIB_SYS)
1388 return(SSL_ERROR_SYSCALL);
1390 return(SSL_ERROR_SSL);
1393 if ((i < 0) && SSL_want_read(s))
1395 bio=SSL_get_rbio(s);
1396 if (BIO_should_read(bio))
1397 return(SSL_ERROR_WANT_READ);
1398 else if (BIO_should_write(bio))
1399 /* This one doesn't make too much sense ... We never try
1400 * to write to the rbio, and an application program where
1401 * rbio and wbio are separate couldn't even know what it
1403 * However if we ever set s->rwstate incorrectly
1404 * (so that we have SSL_want_read(s) instead of
1405 * SSL_want_write(s)) and rbio and wbio *are* the same,
1406 * this test works around that bug; so it might be safer
1408 return(SSL_ERROR_WANT_WRITE);
1409 else if (BIO_should_io_special(bio))
1411 reason=BIO_get_retry_reason(bio);
1412 if (reason == BIO_RR_CONNECT)
1413 return(SSL_ERROR_WANT_CONNECT);
1415 return(SSL_ERROR_SYSCALL); /* unknown */
1419 if ((i < 0) && SSL_want_write(s))
1421 bio=SSL_get_wbio(s);
1422 if (BIO_should_write(bio))
1423 return(SSL_ERROR_WANT_WRITE);
1424 else if (BIO_should_read(bio))
1425 /* See above (SSL_want_read(s) with BIO_should_write(bio)) */
1426 return(SSL_ERROR_WANT_READ);
1427 else if (BIO_should_io_special(bio))
1429 reason=BIO_get_retry_reason(bio);
1430 if (reason == BIO_RR_CONNECT)
1431 return(SSL_ERROR_WANT_CONNECT);
1433 return(SSL_ERROR_SYSCALL);
1436 if ((i < 0) && SSL_want_x509_lookup(s))
1438 return(SSL_ERROR_WANT_X509_LOOKUP);
1443 if (s->version == SSL2_VERSION)
1445 /* assume it is the socket being closed */
1446 return(SSL_ERROR_ZERO_RETURN);
1450 if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) &&
1451 (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY))
1452 return(SSL_ERROR_ZERO_RETURN);
1455 return(SSL_ERROR_SYSCALL);
1458 int SSL_do_handshake(SSL *s)
1462 if (s->handshake_func == NULL)
1464 SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET);
1468 s->method->ssl_renegotiate_check(s);
1470 if (SSL_in_init(s) || SSL_in_before(s))
1472 ret=s->handshake_func(s);
1477 /* For the next 2 functions, SSL_clear() sets shutdown and so
1478 * one of these calls will reset it */
1479 void SSL_set_accept_state(SSL *s)
1483 s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE;
1484 s->handshake_func=s->method->ssl_accept;
1485 /* clear the current cipher */
1486 ssl_clear_cipher_ctx(s);
1489 void SSL_set_connect_state(SSL *s)
1493 s->state=SSL_ST_CONNECT|SSL_ST_BEFORE;
1494 s->handshake_func=s->method->ssl_connect;
1495 /* clear the current cipher */
1496 ssl_clear_cipher_ctx(s);
1499 int ssl_undefined_function(SSL *s)
1501 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1505 SSL_METHOD *ssl_bad_method(int ver)
1507 SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1511 char *SSL_get_version(SSL *s)
1513 if (s->version == TLS1_VERSION)
1515 else if (s->version == SSL3_VERSION)
1517 else if (s->version == SSL2_VERSION)
1523 SSL *SSL_dup(SSL *s)
1525 STACK_OF(X509_NAME) *sk;
1530 if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL)
1533 if (s->session != NULL)
1535 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
1536 SSL_copy_session_id(ret,s);
1540 /* No session has been established yet, so we have to expect
1541 * that s->cert or ret->cert will be changed later --
1542 * they should not both point to the same object,
1543 * and thus we can't use SSL_copy_session_id. */
1545 ret->method = s->method;
1546 ret->method->ssl_new(ret);
1548 if (s->cert != NULL)
1550 ret->cert = ssl_cert_dup(s->cert);
1551 if (ret->cert == NULL)
1555 SSL_set_session_id_context(ret,
1556 s->sid_ctx, s->sid_ctx_length);
1559 SSL_set_read_ahead(ret,SSL_get_read_ahead(s));
1560 SSL_set_verify(ret,SSL_get_verify_mode(s),
1561 SSL_get_verify_callback(s));
1562 SSL_set_verify_depth(ret,SSL_get_verify_depth(s));
1564 SSL_set_info_callback(ret,SSL_get_info_callback(s));
1566 ret->debug=s->debug;
1567 ret->options=s->options;
1569 /* copy app data, a little dangerous perhaps */
1570 if (!CRYPTO_dup_ex_data(ssl_meth,&ret->ex_data,&s->ex_data))
1573 /* setup rbio, and wbio */
1574 if (s->rbio != NULL)
1576 if (!BIO_dup_state(s->rbio,(char *)&ret->rbio))
1579 if (s->wbio != NULL)
1581 if (s->wbio != s->rbio)
1583 if (!BIO_dup_state(s->wbio,(char *)&ret->wbio))
1587 ret->wbio=ret->rbio;
1590 /* dup the cipher_list and cipher_list_by_id stacks */
1591 if (s->cipher_list != NULL)
1593 if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)
1596 if (s->cipher_list_by_id != NULL)
1597 if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id))
1601 /* Dup the client_CA list */
1602 if (s->client_CA != NULL)
1604 if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err;
1606 for (i=0; i<sk_X509_NAME_num(sk); i++)
1608 xn=sk_X509_NAME_value(sk,i);
1609 if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL)
1617 ret->shutdown=s->shutdown;
1618 ret->state=s->state;
1619 ret->handshake_func=s->handshake_func;
1620 ret->server=s->server;
1625 if (ret != NULL) SSL_free(ret);
1631 void ssl_clear_cipher_ctx(SSL *s)
1633 if (s->enc_read_ctx != NULL)
1635 EVP_CIPHER_CTX_cleanup(s->enc_read_ctx);
1636 Free(s->enc_read_ctx);
1637 s->enc_read_ctx=NULL;
1639 if (s->enc_write_ctx != NULL)
1641 EVP_CIPHER_CTX_cleanup(s->enc_write_ctx);
1642 Free(s->enc_write_ctx);
1643 s->enc_write_ctx=NULL;
1645 if (s->expand != NULL)
1647 COMP_CTX_free(s->expand);
1650 if (s->compress != NULL)
1652 COMP_CTX_free(s->compress);
1657 /* Fix this function so that it takes an optional type parameter */
1658 X509 *SSL_get_certificate(SSL *s)
1660 if (s->cert != NULL)
1661 return(s->cert->key->x509);
1666 /* Fix this function so that it takes an optional type parameter */
1667 EVP_PKEY *SSL_get_privatekey(SSL *s)
1669 if (s->cert != NULL)
1670 return(s->cert->key->privatekey);
1675 SSL_CIPHER *SSL_get_current_cipher(SSL *s)
1677 if ((s->session != NULL) && (s->session->cipher != NULL))
1678 return(s->session->cipher);
1682 int ssl_init_wbio_buffer(SSL *s,int push)
1686 if (s->bbio == NULL)
1688 bbio=BIO_new(BIO_f_buffer());
1689 if (bbio == NULL) return(0);
1695 if (s->bbio == s->wbio)
1696 s->wbio=BIO_pop(s->wbio);
1699 /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
1700 if (!BIO_set_read_buffer_size(bbio,1))
1702 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB);
1707 if (s->wbio != bbio)
1708 s->wbio=BIO_push(bbio,s->wbio);
1712 if (s->wbio == bbio)
1713 s->wbio=BIO_pop(bbio);
1718 void ssl_free_wbio_buffer(SSL *s)
1722 if (s->bbio == NULL) return;
1724 if (s->bbio == s->wbio)
1726 /* remove buffering */
1727 under=BIO_pop(s->wbio);
1737 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode)
1739 ctx->quiet_shutdown=mode;
1742 int SSL_CTX_get_quiet_shutdown(SSL_CTX *ctx)
1744 return(ctx->quiet_shutdown);
1747 void SSL_set_quiet_shutdown(SSL *s,int mode)
1749 s->quiet_shutdown=mode;
1752 int SSL_get_quiet_shutdown(SSL *s)
1754 return(s->quiet_shutdown);
1757 void SSL_set_shutdown(SSL *s,int mode)
1762 int SSL_get_shutdown(SSL *s)
1764 return(s->shutdown);
1767 int SSL_version(SSL *s)
1772 SSL_CTX *SSL_get_SSL_CTX(SSL *ssl)
1778 int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
1780 return(X509_STORE_set_default_paths(ctx->cert_store));
1783 int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
1786 return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath));
1790 void SSL_set_info_callback(SSL *ssl,void (*cb)())
1792 ssl->info_callback=cb;
1795 void (*SSL_get_info_callback(SSL *ssl))(void)
1797 return((void (*)())ssl->info_callback);
1800 int SSL_state(SSL *ssl)
1805 void SSL_set_verify_result(SSL *ssl,long arg)
1807 ssl->verify_result=arg;
1810 long SSL_get_verify_result(SSL *ssl)
1812 return(ssl->verify_result);
1815 int SSL_get_ex_new_index(long argl,char *argp,int (*new_func)(),
1816 int (*dup_func)(),void (*free_func)())
1819 return(CRYPTO_get_ex_new_index(ssl_meth_num-1,
1820 &ssl_meth,argl,argp,new_func,dup_func,free_func));
1823 int SSL_set_ex_data(SSL *s,int idx,void *arg)
1825 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
1828 void *SSL_get_ex_data(SSL *s,int idx)
1830 return(CRYPTO_get_ex_data(&s->ex_data,idx));
1833 int SSL_CTX_get_ex_new_index(long argl,char *argp,int (*new_func)(),
1834 int (*dup_func)(),void (*free_func)())
1837 return(CRYPTO_get_ex_new_index(ssl_ctx_meth_num-1,
1838 &ssl_ctx_meth,argl,argp,new_func,dup_func,free_func));
1841 int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg)
1843 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
1846 void *SSL_CTX_get_ex_data(SSL_CTX *s,int idx)
1848 return(CRYPTO_get_ex_data(&s->ex_data,idx));
1856 X509_STORE *SSL_CTX_get_cert_store(SSL_CTX *ctx)
1858 return(ctx->cert_store);
1861 void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store)
1863 if (ctx->cert_store != NULL)
1864 X509_STORE_free(ctx->cert_store);
1865 ctx->cert_store=store;
1868 int SSL_want(SSL *s)
1874 * \brief Set the callback for generating temporary RSA keys.
1875 * \param ctx the SSL context.
1876 * \param cb the callback
1880 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl,
1883 { SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,0,(char *)cb); }
1887 void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,int is_export,
1889 { SSL_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,0,(char *)cb); }
1894 * \brief The RSA temporary key callback function.
1895 * \param ssl the SSL session.
1896 * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
1897 * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
1898 * of the required key in bits.
1899 * \return the temporary RSA key.
1900 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
1903 RSA *cb(SSL *ssl,int is_export,int keylength)
1908 * \brief Set the callback for generating temporary DH keys.
1909 * \param ctx the SSL context.
1910 * \param dh the callback
1914 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export,
1916 { SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,0,(char *)dh); }
1918 void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export,
1920 { SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,0,(char *)dh); }
1923 #if defined(_WINDLL) && defined(WIN16)
1924 #include "../crypto/bio/bss_file.c"
1927 IMPLEMENT_STACK_OF(SSL_CIPHER)
1928 IMPLEMENT_STACK_OF(SSL_COMP)