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.]
60 /* ====================================================================
61 * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
63 * Redistribution and use in source and binary forms, with or without
64 * modification, are permitted provided that the following conditions
67 * 1. Redistributions of source code must retain the above copyright
68 * notice, this list of conditions and the following disclaimer.
70 * 2. Redistributions in binary form must reproduce the above copyright
71 * notice, this list of conditions and the following disclaimer in
72 * the documentation and/or other materials provided with the
75 * 3. All advertising materials mentioning features or use of this
76 * software must display the following acknowledgment:
77 * "This product includes software developed by the OpenSSL Project
78 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
80 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
81 * endorse or promote products derived from this software without
82 * prior written permission. For written permission, please contact
83 * openssl-core@openssl.org.
85 * 5. Products derived from this software may not be called "OpenSSL"
86 * nor may "OpenSSL" appear in their names without prior written
87 * permission of the OpenSSL Project.
89 * 6. Redistributions of any form whatsoever must retain the following
91 * "This product includes software developed by the OpenSSL Project
92 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
94 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
95 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
96 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
97 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
98 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
99 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
100 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
101 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
102 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
103 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
104 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
105 * OF THE POSSIBILITY OF SUCH DAMAGE.
106 * ====================================================================
108 * This product includes cryptographic software written by Eric Young
109 * (eay@cryptsoft.com). This product includes software written by Tim
110 * Hudson (tjh@cryptsoft.com).
113 /* ====================================================================
114 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
115 * ECC cipher suite support in OpenSSL originally developed by
116 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
123 #include "ssl_locl.h"
124 #include "kssl_lcl.h"
125 #include <openssl/objects.h>
126 #include <openssl/lhash.h>
127 #include <openssl/x509v3.h>
128 #include "cryptlib.h"
130 const char *SSL_version_str=OPENSSL_VERSION_TEXT;
132 OPENSSL_GLOBAL SSL3_ENC_METHOD ssl3_undef_enc_method={
133 /* evil casts, but these functions are only called if there's a library bug */
134 (int (*)(SSL *,int))ssl_undefined_function,
135 (int (*)(SSL *, unsigned char *, int))ssl_undefined_function,
136 ssl_undefined_function,
137 (int (*)(SSL *, unsigned char *, unsigned char *, int))ssl_undefined_function,
138 (int (*)(SSL*, int))ssl_undefined_function,
139 (int (*)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char*, int, unsigned char *))ssl_undefined_function
142 int SSL_clear(SSL *s)
145 if (s->method == NULL)
147 SSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED);
151 if (ssl_clear_bad_session(s))
153 SSL_SESSION_free(s->session);
161 #if 0 /* Disabled since version 1.10 of this file (early return not
162 * needed because SSL_clear is not called when doing renegotiation) */
163 /* This is set if we are doing dynamic renegotiation so keep
164 * the old cipher. It is sort of a SSL_clear_lite :-) */
165 if (s->new_session) return(1);
169 SSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR);
176 s->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);
178 s->version=s->method->version;
179 s->client_version=s->version;
180 s->rwstate=SSL_NOTHING;
181 s->rstate=SSL_ST_READ_HEADER;
183 s->read_ahead=s->ctx->read_ahead;
186 if (s->init_buf != NULL)
188 BUF_MEM_free(s->init_buf);
192 ssl_clear_cipher_ctx(s);
197 /* Check to see if we were changed into a different method, if
198 * so, revert back if we are not doing session-id reuse. */
199 if (!s->in_handshake && (s->session == NULL) && (s->method != s->ctx->method))
201 s->method->ssl_free(s);
202 s->method=s->ctx->method;
203 if (!s->method->ssl_new(s))
208 s->method->ssl_clear(s);
212 /** Used to change an SSL_CTXs default SSL method type */
213 int SSL_CTX_set_ssl_version(SSL_CTX *ctx,SSL_METHOD *meth)
215 STACK_OF(SSL_CIPHER) *sk;
219 sk=ssl_create_cipher_list(ctx->method,&(ctx->cipher_list),
220 &(ctx->cipher_list_by_id),SSL_DEFAULT_CIPHER_LIST);
221 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0))
223 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
229 SSL *SSL_new(SSL_CTX *ctx)
235 SSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX);
238 if (ctx->method == NULL)
240 SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);
244 s=(SSL *)OPENSSL_malloc(sizeof(SSL));
245 if (s == NULL) goto err;
246 memset(s,0,sizeof(SSL));
248 #ifndef OPENSSL_NO_KRB5
249 s->kssl_ctx = kssl_ctx_new();
250 #endif /* OPENSSL_NO_KRB5 */
252 s->options=ctx->options;
254 s->max_cert_list=ctx->max_cert_list;
256 if (ctx->cert != NULL)
258 /* Earlier library versions used to copy the pointer to
259 * the CERT, not its contents; only when setting new
260 * parameters for the per-SSL copy, ssl_cert_new would be
261 * called (and the direct reference to the per-SSL_CTX
262 * settings would be lost, but those still were indirectly
263 * accessed for various purposes, and for that reason they
264 * used to be known as s->ctx->default_cert).
265 * Now we don't look at the SSL_CTX's CERT after having
266 * duplicated it once. */
268 s->cert = ssl_cert_dup(ctx->cert);
273 s->cert=NULL; /* Cannot really happen (see SSL_CTX_new) */
275 s->read_ahead=ctx->read_ahead;
276 s->msg_callback=ctx->msg_callback;
277 s->msg_callback_arg=ctx->msg_callback_arg;
278 s->verify_mode=ctx->verify_mode;
279 s->verify_depth=ctx->verify_depth;
280 s->sid_ctx_length=ctx->sid_ctx_length;
281 OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx);
282 memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));
283 s->verify_callback=ctx->default_verify_callback;
284 s->generate_session_id=ctx->generate_session_id;
285 s->purpose = ctx->purpose;
286 s->trust = ctx->trust;
287 s->quiet_shutdown=ctx->quiet_shutdown;
289 CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
292 s->verify_result=X509_V_OK;
294 s->method=ctx->method;
296 if (!s->method->ssl_new(s))
300 s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;
304 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
311 ssl_cert_free(s->cert);
313 SSL_CTX_free(s->ctx); /* decrement reference count */
316 SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);
320 int SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx,
321 unsigned int sid_ctx_len)
323 if(sid_ctx_len > sizeof ctx->sid_ctx)
325 SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
328 ctx->sid_ctx_length=sid_ctx_len;
329 memcpy(ctx->sid_ctx,sid_ctx,sid_ctx_len);
334 int SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx,
335 unsigned int sid_ctx_len)
337 if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
339 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
342 ssl->sid_ctx_length=sid_ctx_len;
343 memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len);
348 int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb)
350 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
351 ctx->generate_session_id = cb;
352 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
356 int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb)
358 CRYPTO_w_lock(CRYPTO_LOCK_SSL);
359 ssl->generate_session_id = cb;
360 CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
364 int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
367 /* A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
368 * we can "construct" a session to give us the desired check - ie. to
369 * find if there's a session in the hash table that would conflict with
370 * any new session built out of this id/id_len and the ssl_version in
371 * use by this SSL. */
374 if(id_len > sizeof r.session_id)
377 r.ssl_version = ssl->version;
378 r.session_id_length = id_len;
379 memcpy(r.session_id, id, id_len);
380 /* NB: SSLv2 always uses a fixed 16-byte session ID, so even if a
381 * callback is calling us to check the uniqueness of a shorter ID, it
382 * must be compared as a padded-out ID because that is what it will be
383 * converted to when the callback has finished choosing it. */
384 if((r.ssl_version == SSL2_VERSION) &&
385 (id_len < SSL2_SSL_SESSION_ID_LENGTH))
387 memset(r.session_id + id_len, 0,
388 SSL2_SSL_SESSION_ID_LENGTH - id_len);
389 r.session_id_length = SSL2_SSL_SESSION_ID_LENGTH;
392 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
393 p = (SSL_SESSION *)lh_retrieve(ssl->ctx->sessions, &r);
394 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
398 int SSL_CTX_set_purpose(SSL_CTX *s, int purpose)
400 return X509_PURPOSE_set(&s->purpose, purpose);
403 int SSL_set_purpose(SSL *s, int purpose)
405 return X509_PURPOSE_set(&s->purpose, purpose);
408 int SSL_CTX_set_trust(SSL_CTX *s, int trust)
410 return X509_TRUST_set(&s->trust, trust);
413 int SSL_set_trust(SSL *s, int trust)
415 return X509_TRUST_set(&s->trust, trust);
418 void SSL_free(SSL *s)
425 i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL);
433 fprintf(stderr,"SSL_free, bad reference count\n");
438 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
442 /* If the buffering BIO is in place, pop it off */
443 if (s->bbio == s->wbio)
445 s->wbio=BIO_pop(s->wbio);
451 BIO_free_all(s->rbio);
452 if ((s->wbio != NULL) && (s->wbio != s->rbio))
453 BIO_free_all(s->wbio);
455 if (s->init_buf != NULL) BUF_MEM_free(s->init_buf);
457 /* add extra stuff */
458 if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list);
459 if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id);
461 /* Make the next call work :-) */
462 if (s->session != NULL)
464 ssl_clear_bad_session(s);
465 SSL_SESSION_free(s->session);
468 ssl_clear_cipher_ctx(s);
470 if (s->cert != NULL) ssl_cert_free(s->cert);
471 /* Free up if allocated */
473 if (s->ctx) SSL_CTX_free(s->ctx);
475 if (s->client_CA != NULL)
476 sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free);
478 if (s->method != NULL) s->method->ssl_free(s);
483 void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio)
485 /* If the output buffering BIO is still in place, remove it
489 if (s->wbio == s->bbio)
491 s->wbio=s->wbio->next_bio;
492 s->bbio->next_bio=NULL;
495 if ((s->rbio != NULL) && (s->rbio != rbio))
496 BIO_free_all(s->rbio);
497 if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio))
498 BIO_free_all(s->wbio);
503 BIO *SSL_get_rbio(SSL *s)
506 BIO *SSL_get_wbio(SSL *s)
509 int SSL_get_fd(SSL *s)
511 return(SSL_get_rfd(s));
514 int SSL_get_rfd(SSL *s)
520 r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
526 int SSL_get_wfd(SSL *s)
532 r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
538 #ifndef OPENSSL_NO_SOCK
539 int SSL_set_fd(SSL *s,int fd)
544 bio=BIO_new(BIO_s_socket());
548 SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB);
551 BIO_set_fd(bio,fd,BIO_NOCLOSE);
552 SSL_set_bio(s,bio,bio);
558 int SSL_set_wfd(SSL *s,int fd)
563 if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET)
564 || ((int)BIO_get_fd(s->rbio,NULL) != fd))
566 bio=BIO_new(BIO_s_socket());
569 { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; }
570 BIO_set_fd(bio,fd,BIO_NOCLOSE);
571 SSL_set_bio(s,SSL_get_rbio(s),bio);
574 SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s));
580 int SSL_set_rfd(SSL *s,int fd)
585 if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET)
586 || ((int)BIO_get_fd(s->wbio,NULL) != fd))
588 bio=BIO_new(BIO_s_socket());
592 SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB);
595 BIO_set_fd(bio,fd,BIO_NOCLOSE);
596 SSL_set_bio(s,bio,SSL_get_wbio(s));
599 SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s));
607 /* return length of latest Finished message we sent, copy to 'buf' */
608 size_t SSL_get_finished(SSL *s, void *buf, size_t count)
614 ret = s->s3->tmp.finish_md_len;
617 memcpy(buf, s->s3->tmp.finish_md, count);
622 /* return length of latest Finished message we expected, copy to 'buf' */
623 size_t SSL_get_peer_finished(SSL *s, void *buf, size_t count)
629 ret = s->s3->tmp.peer_finish_md_len;
632 memcpy(buf, s->s3->tmp.peer_finish_md, count);
638 int SSL_get_verify_mode(SSL *s)
640 return(s->verify_mode);
643 int SSL_get_verify_depth(SSL *s)
645 return(s->verify_depth);
648 int (*SSL_get_verify_callback(SSL *s))(int,X509_STORE_CTX *)
650 return(s->verify_callback);
653 int SSL_CTX_get_verify_mode(SSL_CTX *ctx)
655 return(ctx->verify_mode);
658 int SSL_CTX_get_verify_depth(SSL_CTX *ctx)
660 return(ctx->verify_depth);
663 int (*SSL_CTX_get_verify_callback(SSL_CTX *ctx))(int,X509_STORE_CTX *)
665 return(ctx->default_verify_callback);
668 void SSL_set_verify(SSL *s,int mode,
669 int (*callback)(int ok,X509_STORE_CTX *ctx))
672 if (callback != NULL)
673 s->verify_callback=callback;
676 void SSL_set_verify_depth(SSL *s,int depth)
678 s->verify_depth=depth;
681 void SSL_set_read_ahead(SSL *s,int yes)
686 int SSL_get_read_ahead(SSL *s)
688 return(s->read_ahead);
691 int SSL_pending(SSL *s)
693 /* SSL_pending cannot work properly if read-ahead is enabled
694 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)),
695 * and it is impossible to fix since SSL_pending cannot report
696 * errors that may be observed while scanning the new data.
697 * (Note that SSL_pending() is often used as a boolean value,
698 * so we'd better not return -1.)
700 return(s->method->ssl_pending(s));
703 X509 *SSL_get_peer_certificate(SSL *s)
707 if ((s == NULL) || (s->session == NULL))
712 if (r == NULL) return(r);
714 CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509);
719 STACK_OF(X509) *SSL_get_peer_cert_chain(SSL *s)
723 if ((s == NULL) || (s->session == NULL) || (s->session->sess_cert == NULL))
726 r=s->session->sess_cert->cert_chain;
728 /* If we are a client, cert_chain includes the peer's own
729 * certificate; if we are a server, it does not. */
734 /* Now in theory, since the calling process own 't' it should be safe to
735 * modify. We need to be able to read f without being hassled */
736 void SSL_copy_session_id(SSL *t,SSL *f)
740 /* Do we need to to SSL locking? */
741 SSL_set_session(t,SSL_get_session(f));
743 /* what if we are setup as SSLv2 but want to talk SSLv3 or
745 if (t->method != f->method)
747 t->method->ssl_free(t); /* cleanup current */
748 t->method=f->method; /* change method */
749 t->method->ssl_new(t); /* setup new */
755 CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT);
760 if (tmp != NULL) ssl_cert_free(tmp);
761 SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length);
764 /* Fix this so it checks all the valid key/cert options */
765 int SSL_CTX_check_private_key(SSL_CTX *ctx)
767 if ( (ctx == NULL) ||
768 (ctx->cert == NULL) ||
769 (ctx->cert->key->x509 == NULL))
771 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
774 if (ctx->cert->key->privatekey == NULL)
776 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
779 return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey));
782 /* Fix this function so that it takes an optional type parameter */
783 int SSL_check_private_key(SSL *ssl)
787 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER);
790 if (ssl->cert == NULL)
792 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
795 if (ssl->cert->key->x509 == NULL)
797 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
800 if (ssl->cert->key->privatekey == NULL)
802 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
805 return(X509_check_private_key(ssl->cert->key->x509,
806 ssl->cert->key->privatekey));
809 int SSL_accept(SSL *s)
811 if (s->handshake_func == 0)
812 /* Not properly initialized yet */
813 SSL_set_accept_state(s);
815 return(s->method->ssl_accept(s));
818 int SSL_connect(SSL *s)
820 if (s->handshake_func == 0)
821 /* Not properly initialized yet */
822 SSL_set_connect_state(s);
824 return(s->method->ssl_connect(s));
827 long SSL_get_default_timeout(SSL *s)
829 return(s->method->get_timeout());
832 int SSL_read(SSL *s,void *buf,int num)
834 if (s->handshake_func == 0)
836 SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
840 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
842 s->rwstate=SSL_NOTHING;
845 return(s->method->ssl_read(s,buf,num));
848 int SSL_peek(SSL *s,void *buf,int num)
850 if (s->handshake_func == 0)
852 SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
856 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
860 return(s->method->ssl_peek(s,buf,num));
863 int SSL_write(SSL *s,const void *buf,int num)
865 if (s->handshake_func == 0)
867 SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED);
871 if (s->shutdown & SSL_SENT_SHUTDOWN)
873 s->rwstate=SSL_NOTHING;
874 SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN);
877 return(s->method->ssl_write(s,buf,num));
880 int SSL_shutdown(SSL *s)
882 /* Note that this function behaves differently from what one might
883 * expect. Return values are 0 for no success (yet),
884 * 1 for success; but calling it once is usually not enough,
885 * even if blocking I/O is used (see ssl3_shutdown).
888 if (s->handshake_func == 0)
890 SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED);
894 if ((s != NULL) && !SSL_in_init(s))
895 return(s->method->ssl_shutdown(s));
900 int SSL_renegotiate(SSL *s)
902 if (s->new_session == 0)
906 return(s->method->ssl_renegotiate(s));
909 int SSL_renegotiate_pending(SSL *s)
911 /* becomes true when negotiation is requested;
912 * false again once a handshake has finished */
913 return (s->new_session != 0);
916 long SSL_ctrl(SSL *s,int cmd,long larg,void *parg)
922 case SSL_CTRL_GET_READ_AHEAD:
923 return(s->read_ahead);
924 case SSL_CTRL_SET_READ_AHEAD:
929 case SSL_CTRL_SET_MSG_CALLBACK_ARG:
930 s->msg_callback_arg = parg;
933 case SSL_CTRL_OPTIONS:
934 return(s->options|=larg);
936 return(s->mode|=larg);
937 case SSL_CTRL_GET_MAX_CERT_LIST:
938 return(s->max_cert_list);
939 case SSL_CTRL_SET_MAX_CERT_LIST:
941 s->max_cert_list=larg;
944 return(s->method->ssl_ctrl(s,cmd,larg,parg));
948 long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)())
952 case SSL_CTRL_SET_MSG_CALLBACK:
953 s->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp);
957 return(s->method->ssl_callback_ctrl(s,cmd,fp));
961 struct lhash_st *SSL_CTX_sessions(SSL_CTX *ctx)
963 return ctx->sessions;
966 long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,void *parg)
972 case SSL_CTRL_GET_READ_AHEAD:
973 return(ctx->read_ahead);
974 case SSL_CTRL_SET_READ_AHEAD:
976 ctx->read_ahead=larg;
979 case SSL_CTRL_SET_MSG_CALLBACK_ARG:
980 ctx->msg_callback_arg = parg;
983 case SSL_CTRL_GET_MAX_CERT_LIST:
984 return(ctx->max_cert_list);
985 case SSL_CTRL_SET_MAX_CERT_LIST:
986 l=ctx->max_cert_list;
987 ctx->max_cert_list=larg;
990 case SSL_CTRL_SET_SESS_CACHE_SIZE:
991 l=ctx->session_cache_size;
992 ctx->session_cache_size=larg;
994 case SSL_CTRL_GET_SESS_CACHE_SIZE:
995 return(ctx->session_cache_size);
996 case SSL_CTRL_SET_SESS_CACHE_MODE:
997 l=ctx->session_cache_mode;
998 ctx->session_cache_mode=larg;
1000 case SSL_CTRL_GET_SESS_CACHE_MODE:
1001 return(ctx->session_cache_mode);
1003 case SSL_CTRL_SESS_NUMBER:
1004 return(ctx->sessions->num_items);
1005 case SSL_CTRL_SESS_CONNECT:
1006 return(ctx->stats.sess_connect);
1007 case SSL_CTRL_SESS_CONNECT_GOOD:
1008 return(ctx->stats.sess_connect_good);
1009 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE:
1010 return(ctx->stats.sess_connect_renegotiate);
1011 case SSL_CTRL_SESS_ACCEPT:
1012 return(ctx->stats.sess_accept);
1013 case SSL_CTRL_SESS_ACCEPT_GOOD:
1014 return(ctx->stats.sess_accept_good);
1015 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE:
1016 return(ctx->stats.sess_accept_renegotiate);
1017 case SSL_CTRL_SESS_HIT:
1018 return(ctx->stats.sess_hit);
1019 case SSL_CTRL_SESS_CB_HIT:
1020 return(ctx->stats.sess_cb_hit);
1021 case SSL_CTRL_SESS_MISSES:
1022 return(ctx->stats.sess_miss);
1023 case SSL_CTRL_SESS_TIMEOUTS:
1024 return(ctx->stats.sess_timeout);
1025 case SSL_CTRL_SESS_CACHE_FULL:
1026 return(ctx->stats.sess_cache_full);
1027 case SSL_CTRL_OPTIONS:
1028 return(ctx->options|=larg);
1030 return(ctx->mode|=larg);
1032 return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg));
1036 long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)())
1040 case SSL_CTRL_SET_MSG_CALLBACK:
1041 ctx->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp);
1045 return(ctx->method->ssl_ctx_callback_ctrl(ctx,cmd,fp));
1049 int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b)
1057 return((l > 0)?1:-1);
1060 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
1061 const SSL_CIPHER * const *bp)
1065 l=(*ap)->id-(*bp)->id;
1069 return((l > 0)?1:-1);
1072 /** return a STACK of the ciphers available for the SSL and in order of
1074 STACK_OF(SSL_CIPHER) *SSL_get_ciphers(SSL *s)
1078 if (s->cipher_list != NULL)
1080 return(s->cipher_list);
1082 else if ((s->ctx != NULL) &&
1083 (s->ctx->cipher_list != NULL))
1085 return(s->ctx->cipher_list);
1091 /** return a STACK of the ciphers available for the SSL and in order of
1093 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s)
1097 if (s->cipher_list_by_id != NULL)
1099 return(s->cipher_list_by_id);
1101 else if ((s->ctx != NULL) &&
1102 (s->ctx->cipher_list_by_id != NULL))
1104 return(s->ctx->cipher_list_by_id);
1110 /** The old interface to get the same thing as SSL_get_ciphers() */
1111 const char *SSL_get_cipher_list(SSL *s,int n)
1114 STACK_OF(SSL_CIPHER) *sk;
1116 if (s == NULL) return(NULL);
1117 sk=SSL_get_ciphers(s);
1118 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n))
1120 c=sk_SSL_CIPHER_value(sk,n);
1121 if (c == NULL) return(NULL);
1125 /** specify the ciphers to be used by default by the SSL_CTX */
1126 int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)
1128 STACK_OF(SSL_CIPHER) *sk;
1130 sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list,
1131 &ctx->cipher_list_by_id,str);
1133 return((sk == NULL)?0:1);
1136 /** specify the ciphers to be used by the SSL */
1137 int SSL_set_cipher_list(SSL *s,const char *str)
1139 STACK_OF(SSL_CIPHER) *sk;
1141 sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list,
1142 &s->cipher_list_by_id,str);
1144 return((sk == NULL)?0:1);
1147 /* works well for SSLv2, not so good for SSLv3 */
1148 char *SSL_get_shared_ciphers(SSL *s,char *buf,int len)
1152 STACK_OF(SSL_CIPHER) *sk;
1156 if ((s->session == NULL) || (s->session->ciphers == NULL) ||
1161 sk=s->session->ciphers;
1162 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
1164 /* Decrement for either the ':' or a '\0' */
1166 c=sk_SSL_CIPHER_value(sk,i);
1167 for (cp=c->name; *cp; )
1183 int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p)
1188 #ifndef OPENSSL_NO_KRB5
1189 int nokrb5 = !kssl_tgt_is_available(s->kssl_ctx);
1190 #endif /* OPENSSL_NO_KRB5 */
1192 if (sk == NULL) return(0);
1195 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
1197 c=sk_SSL_CIPHER_value(sk,i);
1198 #ifndef OPENSSL_NO_KRB5
1199 if ((c->algorithms & SSL_KRB5) && nokrb5)
1201 #endif /* OPENSSL_NO_KRB5 */
1202 j=ssl_put_cipher_by_char(s,c,p);
1208 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
1209 STACK_OF(SSL_CIPHER) **skp)
1212 STACK_OF(SSL_CIPHER) *sk;
1215 n=ssl_put_cipher_by_char(s,NULL,NULL);
1218 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
1221 if ((skp == NULL) || (*skp == NULL))
1222 sk=sk_SSL_CIPHER_new_null(); /* change perhaps later */
1226 sk_SSL_CIPHER_zero(sk);
1229 for (i=0; i<num; i+=n)
1231 c=ssl_get_cipher_by_char(s,p);
1235 if (!sk_SSL_CIPHER_push(sk,c))
1237 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
1247 if ((skp == NULL) || (*skp == NULL))
1248 sk_SSL_CIPHER_free(sk);
1252 unsigned long SSL_SESSION_hash(SSL_SESSION *a)
1257 ((unsigned int) a->session_id[0] )|
1258 ((unsigned int) a->session_id[1]<< 8L)|
1259 ((unsigned long)a->session_id[2]<<16L)|
1260 ((unsigned long)a->session_id[3]<<24L);
1264 /* NB: If this function (or indeed the hash function which uses a sort of
1265 * coarser function than this one) is changed, ensure
1266 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being
1267 * able to construct an SSL_SESSION that will collide with any existing session
1268 * with a matching session ID. */
1269 int SSL_SESSION_cmp(SSL_SESSION *a,SSL_SESSION *b)
1271 if (a->ssl_version != b->ssl_version)
1273 if (a->session_id_length != b->session_id_length)
1275 return(memcmp(a->session_id,b->session_id,a->session_id_length));
1278 /* These wrapper functions should remain rather than redeclaring
1279 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
1280 * variable. The reason is that the functions aren't static, they're exposed via
1282 static IMPLEMENT_LHASH_HASH_FN(SSL_SESSION_hash, SSL_SESSION *)
1283 static IMPLEMENT_LHASH_COMP_FN(SSL_SESSION_cmp, SSL_SESSION *)
1285 SSL_CTX *SSL_CTX_new(SSL_METHOD *meth)
1291 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);
1295 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
1297 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
1300 ret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX));
1304 memset(ret,0,sizeof(SSL_CTX));
1308 ret->cert_store=NULL;
1309 ret->session_cache_mode=SSL_SESS_CACHE_SERVER;
1310 ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
1311 ret->session_cache_head=NULL;
1312 ret->session_cache_tail=NULL;
1314 /* We take the system default */
1315 ret->session_timeout=meth->get_timeout();
1317 ret->new_session_cb=0;
1318 ret->remove_session_cb=0;
1319 ret->get_session_cb=0;
1320 ret->generate_session_id=0;
1322 memset((char *)&ret->stats,0,sizeof(ret->stats));
1325 ret->quiet_shutdown=0;
1327 /* ret->cipher=NULL;*/
1328 /* ret->s2->challenge=NULL;
1329 ret->master_key=NULL;
1331 ret->s2->conn_id=NULL; */
1333 ret->info_callback=NULL;
1335 ret->app_verify_callback=0;
1336 ret->app_verify_arg=NULL;
1338 ret->max_cert_list=SSL_MAX_CERT_LIST_DEFAULT;
1340 ret->msg_callback=0;
1341 ret->msg_callback_arg=NULL;
1342 ret->verify_mode=SSL_VERIFY_NONE;
1343 ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */
1344 ret->sid_ctx_length=0;
1345 ret->default_verify_callback=NULL;
1346 if ((ret->cert=ssl_cert_new()) == NULL)
1349 ret->default_passwd_callback=0;
1350 ret->default_passwd_callback_userdata=NULL;
1351 ret->client_cert_cb=0;
1353 ret->sessions=lh_new(LHASH_HASH_FN(SSL_SESSION_hash),
1354 LHASH_COMP_FN(SSL_SESSION_cmp));
1355 if (ret->sessions == NULL) goto err;
1356 ret->cert_store=X509_STORE_new();
1357 if (ret->cert_store == NULL) goto err;
1359 ssl_create_cipher_list(ret->method,
1360 &ret->cipher_list,&ret->cipher_list_by_id,
1361 SSL_DEFAULT_CIPHER_LIST);
1362 if (ret->cipher_list == NULL
1363 || sk_SSL_CIPHER_num(ret->cipher_list) <= 0)
1365 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS);
1369 if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)
1371 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);
1374 if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL)
1376 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);
1379 if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL)
1381 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);
1385 if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL)
1388 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data);
1390 ret->extra_certs=NULL;
1391 ret->comp_methods=SSL_COMP_get_compression_methods();
1395 SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);
1397 if (ret != NULL) SSL_CTX_free(ret);
1402 static void SSL_COMP_free(SSL_COMP *comp)
1403 { OPENSSL_free(comp); }
1406 void SSL_CTX_free(SSL_CTX *a)
1410 if (a == NULL) return;
1412 i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX);
1414 REF_PRINT("SSL_CTX",a);
1420 fprintf(stderr,"SSL_CTX_free, bad reference count\n");
1426 * Free internal session cache. However: the remove_cb() may reference
1427 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
1428 * after the sessions were flushed.
1429 * As the ex_data handling routines might also touch the session cache,
1430 * the most secure solution seems to be: empty (flush) the cache, then
1431 * free ex_data, then finally free the cache.
1432 * (See ticket [openssl.org #212].)
1434 if (a->sessions != NULL)
1435 SSL_CTX_flush_sessions(a,0);
1437 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);
1439 if (a->sessions != NULL)
1440 lh_free(a->sessions);
1442 if (a->cert_store != NULL)
1443 X509_STORE_free(a->cert_store);
1444 if (a->cipher_list != NULL)
1445 sk_SSL_CIPHER_free(a->cipher_list);
1446 if (a->cipher_list_by_id != NULL)
1447 sk_SSL_CIPHER_free(a->cipher_list_by_id);
1448 if (a->cert != NULL)
1449 ssl_cert_free(a->cert);
1450 if (a->client_CA != NULL)
1451 sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free);
1452 if (a->extra_certs != NULL)
1453 sk_X509_pop_free(a->extra_certs,X509_free);
1454 #if 0 /* This should never be done, since it removes a global database */
1455 if (a->comp_methods != NULL)
1456 sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free);
1458 a->comp_methods = NULL;
1463 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb)
1465 ctx->default_passwd_callback=cb;
1468 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx,void *u)
1470 ctx->default_passwd_callback_userdata=u;
1473 void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *,void *), void *arg)
1475 ctx->app_verify_callback=cb;
1476 ctx->app_verify_arg=arg;
1479 void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *))
1481 ctx->verify_mode=mode;
1482 ctx->default_verify_callback=cb;
1485 void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth)
1487 ctx->verify_depth=depth;
1490 void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher)
1493 int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign;
1494 int rsa_enc_export,dh_rsa_export,dh_dsa_export;
1495 int rsa_tmp_export,dh_tmp_export,kl;
1496 unsigned long mask,emask;
1497 int have_ecc_cert, have_ecdh_tmp, ecdh_ok, ecdsa_ok, ecc_pkey_size;
1499 EVP_PKEY *ecc_pkey = NULL;
1500 int signature_nid = 0;
1502 if (c == NULL) return;
1504 kl=SSL_C_EXPORT_PKEYLENGTH(cipher);
1506 #ifndef OPENSSL_NO_RSA
1507 rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL);
1508 rsa_tmp_export=(c->rsa_tmp_cb != NULL ||
1509 (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl));
1511 rsa_tmp=rsa_tmp_export=0;
1513 #ifndef OPENSSL_NO_DH
1514 dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL);
1515 dh_tmp_export=(c->dh_tmp_cb != NULL ||
1516 (dh_tmp && DH_size(c->dh_tmp)*8 <= kl));
1518 dh_tmp=dh_tmp_export=0;
1521 #ifndef OPENSSL_NO_ECDH
1522 have_ecdh_tmp=(c->ecdh_tmp != NULL || c->ecdh_tmp_cb != NULL);
1524 cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);
1525 rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);
1526 rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1527 cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);
1528 rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1529 cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);
1530 dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1531 cpk= &(c->pkeys[SSL_PKEY_DH_RSA]);
1532 dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
1533 dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1534 cpk= &(c->pkeys[SSL_PKEY_DH_DSA]);
1535 /* FIX THIS EAY EAY EAY */
1536 dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
1537 dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1538 cpk= &(c->pkeys[SSL_PKEY_ECC]);
1539 have_ecc_cert= (cpk->x509 != NULL && cpk->privatekey != NULL);
1544 printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
1545 rsa_tmp,rsa_tmp_export,dh_tmp,
1546 rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);
1549 if (rsa_enc || (rsa_tmp && rsa_sign))
1551 if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc)))
1555 /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
1556 if ( (dh_tmp || dh_rsa || dh_dsa) &&
1557 (rsa_enc || rsa_sign || dsa_sign))
1559 if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) &&
1560 (rsa_enc || rsa_sign || dsa_sign))
1570 if (dh_rsa) mask|=SSL_kDHr;
1571 if (dh_rsa_export) emask|=SSL_kDHr;
1573 if (dh_dsa) mask|=SSL_kDHd;
1574 if (dh_dsa_export) emask|=SSL_kDHd;
1576 if (rsa_enc || rsa_sign)
1591 #ifndef OPENSSL_NO_KRB5
1592 mask|=SSL_kKRB5|SSL_aKRB5;
1593 emask|=SSL_kKRB5|SSL_aKRB5;
1596 /* An ECC certificate may be usable for ECDH and/or
1597 * ECDSA cipher suites depending on the key usage extension.
1601 /* This call populates extension flags (ex_flags) */
1602 x = (c->pkeys[SSL_PKEY_ECC]).x509;
1603 X509_check_purpose(x, -1, 0);
1604 ecdh_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
1605 (x->ex_kusage & X509v3_KU_KEY_AGREEMENT) : 1;
1606 ecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
1607 (x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) : 1;
1608 ecc_pkey = X509_get_pubkey(x);
1609 ecc_pkey_size = (ecc_pkey != NULL) ?
1610 EVP_PKEY_bits(ecc_pkey) : 0;
1611 EVP_PKEY_free(ecc_pkey);
1612 if ((x->sig_alg) && (x->sig_alg->algorithm))
1613 signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
1614 #ifndef OPENSSL_NO_ECDH
1617 if ((signature_nid == NID_md5WithRSAEncryption) ||
1618 (signature_nid == NID_md4WithRSAEncryption) ||
1619 (signature_nid == NID_md2WithRSAEncryption))
1621 mask|=SSL_kECDH|SSL_aRSA;
1622 if (ecc_pkey_size <= 163)
1623 emask|=SSL_kECDH|SSL_aRSA;
1625 if (signature_nid == NID_ecdsa_with_SHA1)
1627 mask|=SSL_kECDH|SSL_aECDSA;
1628 if (ecc_pkey_size <= 163)
1629 emask|=SSL_kECDH|SSL_aECDSA;
1633 #ifndef OPENSSL_NO_ECDSA
1642 #ifndef OPENSSL_NO_ECDH
1650 c->export_mask=emask;
1654 /* This handy macro borrowed from crypto/x509v3/v3_purp.c */
1655 #define ku_reject(x, usage) \
1656 (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
1658 int check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs)
1660 unsigned long alg = cs->algorithms;
1661 EVP_PKEY *pkey = NULL;
1663 int signature_nid = 0;
1665 if (SSL_C_IS_EXPORT(cs))
1667 /* ECDH key length in export ciphers must be <= 163 bits */
1668 pkey = X509_get_pubkey(x);
1669 if (pkey == NULL) return 0;
1670 keysize = EVP_PKEY_bits(pkey);
1671 EVP_PKEY_free(pkey);
1672 if (keysize > 163) return 0;
1675 /* This call populates the ex_flags field correctly */
1676 X509_check_purpose(x, -1, 0);
1677 if ((x->sig_alg) && (x->sig_alg->algorithm))
1678 signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
1679 if (alg & SSL_kECDH)
1681 /* key usage, if present, must allow key agreement */
1682 if (ku_reject(x, X509v3_KU_KEY_AGREEMENT))
1686 if (alg & SSL_aECDSA)
1688 /* signature alg must be ECDSA */
1689 if (signature_nid != NID_ecdsa_with_SHA1)
1696 /* signature alg must be RSA */
1697 if ((signature_nid != NID_md5WithRSAEncryption) &&
1698 (signature_nid != NID_md4WithRSAEncryption) &&
1699 (signature_nid != NID_md2WithRSAEncryption))
1705 else if (alg & SSL_aECDSA)
1707 /* key usage, if present, must allow signing */
1708 if (ku_reject(x, X509v3_KU_DIGITAL_SIGNATURE))
1714 return 1; /* all checks are ok */
1717 /* THIS NEEDS CLEANING UP */
1718 X509 *ssl_get_server_send_cert(SSL *s)
1720 unsigned long alg,mask,kalg;
1725 ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
1726 alg=s->s3->tmp.new_cipher->algorithms;
1727 is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
1728 mask=is_export?c->export_mask:c->mask;
1729 kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1731 if (kalg & SSL_kECDH)
1733 /* we don't need to look at SSL_kECDHE
1734 * since no certificate is needed for
1735 * anon ECDH and for authenticated
1736 * ECDHE, the check for the auth
1737 * algorithm will set i correctly
1738 * NOTE: For ECDH-RSA, we need an ECC
1739 * not an RSA cert but for ECDHE-RSA
1740 * we need an RSA cert. Placing the
1741 * checks for SSL_kECDH before RSA
1742 * checks ensures the correct cert is chosen.
1746 else if (kalg & SSL_aECDSA)
1750 else if (kalg & SSL_kDHr)
1752 else if (kalg & SSL_kDHd)
1754 else if (kalg & SSL_aDSS)
1755 i=SSL_PKEY_DSA_SIGN;
1756 else if (kalg & SSL_aRSA)
1758 if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)
1759 i=SSL_PKEY_RSA_SIGN;
1763 else if (kalg & SSL_aKRB5)
1765 /* VRS something else here? */
1768 else /* if (kalg & SSL_aNULL) */
1770 SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,ERR_R_INTERNAL_ERROR);
1773 if (c->pkeys[i].x509 == NULL) return(NULL);
1775 return(c->pkeys[i].x509);
1778 EVP_PKEY *ssl_get_sign_pkey(SSL *s,SSL_CIPHER *cipher)
1783 alg=cipher->algorithms;
1786 if ((alg & SSL_aDSS) &&
1787 (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
1788 return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey);
1789 else if (alg & SSL_aRSA)
1791 if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
1792 return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey);
1793 else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
1794 return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey);
1798 else if ((alg & SSL_aECDSA) &&
1799 (c->pkeys[SSL_PKEY_ECC].privatekey != NULL))
1800 return(c->pkeys[SSL_PKEY_ECC].privatekey);
1801 else /* if (alg & SSL_aNULL) */
1803 SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR);
1808 void ssl_update_cache(SSL *s,int mode)
1812 /* If the session_id_length is 0, we are not supposed to cache it,
1813 * and it would be rather hard to do anyway :-) */
1814 if (s->session->session_id_length == 0) return;
1816 i=s->ctx->session_cache_mode;
1817 if ((i & mode) && (!s->hit)
1818 && ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE)
1819 || SSL_CTX_add_session(s->ctx,s->session))
1820 && (s->ctx->new_session_cb != NULL))
1822 CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION);
1823 if (!s->ctx->new_session_cb(s,s->session))
1824 SSL_SESSION_free(s->session);
1827 /* auto flush every 255 connections */
1828 if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) &&
1829 ((i & mode) == mode))
1831 if ( (((mode & SSL_SESS_CACHE_CLIENT)
1832 ?s->ctx->stats.sess_connect_good
1833 :s->ctx->stats.sess_accept_good) & 0xff) == 0xff)
1835 SSL_CTX_flush_sessions(s->ctx,time(NULL));
1840 SSL_METHOD *SSL_get_ssl_method(SSL *s)
1845 int SSL_set_ssl_method(SSL *s,SSL_METHOD *meth)
1850 if (s->method != meth)
1852 if (s->handshake_func != NULL)
1853 conn=(s->handshake_func == s->method->ssl_connect);
1855 if (s->method->version == meth->version)
1859 s->method->ssl_free(s);
1861 ret=s->method->ssl_new(s);
1865 s->handshake_func=meth->ssl_connect;
1867 s->handshake_func=meth->ssl_accept;
1872 int SSL_get_error(SSL *s,int i)
1878 if (i > 0) return(SSL_ERROR_NONE);
1880 /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
1881 * etc, where we do encode the error */
1882 if ((l=ERR_peek_error()) != 0)
1884 if (ERR_GET_LIB(l) == ERR_LIB_SYS)
1885 return(SSL_ERROR_SYSCALL);
1887 return(SSL_ERROR_SSL);
1890 if ((i < 0) && SSL_want_read(s))
1892 bio=SSL_get_rbio(s);
1893 if (BIO_should_read(bio))
1894 return(SSL_ERROR_WANT_READ);
1895 else if (BIO_should_write(bio))
1896 /* This one doesn't make too much sense ... We never try
1897 * to write to the rbio, and an application program where
1898 * rbio and wbio are separate couldn't even know what it
1900 * However if we ever set s->rwstate incorrectly
1901 * (so that we have SSL_want_read(s) instead of
1902 * SSL_want_write(s)) and rbio and wbio *are* the same,
1903 * this test works around that bug; so it might be safer
1905 return(SSL_ERROR_WANT_WRITE);
1906 else if (BIO_should_io_special(bio))
1908 reason=BIO_get_retry_reason(bio);
1909 if (reason == BIO_RR_CONNECT)
1910 return(SSL_ERROR_WANT_CONNECT);
1911 else if (reason == BIO_RR_ACCEPT)
1912 return(SSL_ERROR_WANT_ACCEPT);
1914 return(SSL_ERROR_SYSCALL); /* unknown */
1918 if ((i < 0) && SSL_want_write(s))
1920 bio=SSL_get_wbio(s);
1921 if (BIO_should_write(bio))
1922 return(SSL_ERROR_WANT_WRITE);
1923 else if (BIO_should_read(bio))
1924 /* See above (SSL_want_read(s) with BIO_should_write(bio)) */
1925 return(SSL_ERROR_WANT_READ);
1926 else if (BIO_should_io_special(bio))
1928 reason=BIO_get_retry_reason(bio);
1929 if (reason == BIO_RR_CONNECT)
1930 return(SSL_ERROR_WANT_CONNECT);
1931 else if (reason == BIO_RR_ACCEPT)
1932 return(SSL_ERROR_WANT_ACCEPT);
1934 return(SSL_ERROR_SYSCALL);
1937 if ((i < 0) && SSL_want_x509_lookup(s))
1939 return(SSL_ERROR_WANT_X509_LOOKUP);
1944 if (s->version == SSL2_VERSION)
1946 /* assume it is the socket being closed */
1947 return(SSL_ERROR_ZERO_RETURN);
1951 if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) &&
1952 (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY))
1953 return(SSL_ERROR_ZERO_RETURN);
1956 return(SSL_ERROR_SYSCALL);
1959 int SSL_do_handshake(SSL *s)
1963 if (s->handshake_func == NULL)
1965 SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET);
1969 s->method->ssl_renegotiate_check(s);
1971 if (SSL_in_init(s) || SSL_in_before(s))
1973 ret=s->handshake_func(s);
1978 /* For the next 2 functions, SSL_clear() sets shutdown and so
1979 * one of these calls will reset it */
1980 void SSL_set_accept_state(SSL *s)
1984 s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE;
1985 s->handshake_func=s->method->ssl_accept;
1986 /* clear the current cipher */
1987 ssl_clear_cipher_ctx(s);
1990 void SSL_set_connect_state(SSL *s)
1994 s->state=SSL_ST_CONNECT|SSL_ST_BEFORE;
1995 s->handshake_func=s->method->ssl_connect;
1996 /* clear the current cipher */
1997 ssl_clear_cipher_ctx(s);
2000 int ssl_undefined_function(SSL *s)
2002 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2006 SSL_METHOD *ssl_bad_method(int ver)
2008 SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2012 const char *SSL_get_version(SSL *s)
2014 if (s->version == TLS1_VERSION)
2016 else if (s->version == SSL3_VERSION)
2018 else if (s->version == SSL2_VERSION)
2024 SSL *SSL_dup(SSL *s)
2026 STACK_OF(X509_NAME) *sk;
2031 if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL)
2034 ret->version = s->version;
2035 ret->type = s->type;
2036 ret->method = s->method;
2038 if (s->session != NULL)
2040 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
2041 SSL_copy_session_id(ret,s);
2045 /* No session has been established yet, so we have to expect
2046 * that s->cert or ret->cert will be changed later --
2047 * they should not both point to the same object,
2048 * and thus we can't use SSL_copy_session_id. */
2050 ret->method->ssl_free(ret);
2051 ret->method = s->method;
2052 ret->method->ssl_new(ret);
2054 if (s->cert != NULL)
2056 if (ret->cert != NULL)
2058 ssl_cert_free(ret->cert);
2060 ret->cert = ssl_cert_dup(s->cert);
2061 if (ret->cert == NULL)
2065 SSL_set_session_id_context(ret,
2066 s->sid_ctx, s->sid_ctx_length);
2069 ret->options=s->options;
2071 SSL_set_max_cert_list(ret,SSL_get_max_cert_list(s));
2072 SSL_set_read_ahead(ret,SSL_get_read_ahead(s));
2073 ret->msg_callback = s->msg_callback;
2074 ret->msg_callback_arg = s->msg_callback_arg;
2075 SSL_set_verify(ret,SSL_get_verify_mode(s),
2076 SSL_get_verify_callback(s));
2077 SSL_set_verify_depth(ret,SSL_get_verify_depth(s));
2078 ret->generate_session_id = s->generate_session_id;
2080 SSL_set_info_callback(ret,SSL_get_info_callback(s));
2082 ret->debug=s->debug;
2084 /* copy app data, a little dangerous perhaps */
2085 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data))
2088 /* setup rbio, and wbio */
2089 if (s->rbio != NULL)
2091 if (!BIO_dup_state(s->rbio,(char *)&ret->rbio))
2094 if (s->wbio != NULL)
2096 if (s->wbio != s->rbio)
2098 if (!BIO_dup_state(s->wbio,(char *)&ret->wbio))
2102 ret->wbio=ret->rbio;
2104 ret->rwstate = s->rwstate;
2105 ret->in_handshake = s->in_handshake;
2106 ret->handshake_func = s->handshake_func;
2107 ret->server = s->server;
2108 ret->new_session = s->new_session;
2109 ret->quiet_shutdown = s->quiet_shutdown;
2110 ret->shutdown=s->shutdown;
2111 ret->state=s->state; /* SSL_dup does not really work at any state, though */
2112 ret->rstate=s->rstate;
2113 ret->init_num = 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */
2115 ret->purpose=s->purpose;
2116 ret->trust=s->trust;
2118 /* dup the cipher_list and cipher_list_by_id stacks */
2119 if (s->cipher_list != NULL)
2121 if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)
2124 if (s->cipher_list_by_id != NULL)
2125 if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id))
2129 /* Dup the client_CA list */
2130 if (s->client_CA != NULL)
2132 if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err;
2134 for (i=0; i<sk_X509_NAME_num(sk); i++)
2136 xn=sk_X509_NAME_value(sk,i);
2137 if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL)
2148 if (ret != NULL) SSL_free(ret);
2154 void ssl_clear_cipher_ctx(SSL *s)
2156 if (s->enc_read_ctx != NULL)
2158 EVP_CIPHER_CTX_cleanup(s->enc_read_ctx);
2159 OPENSSL_free(s->enc_read_ctx);
2160 s->enc_read_ctx=NULL;
2162 if (s->enc_write_ctx != NULL)
2164 EVP_CIPHER_CTX_cleanup(s->enc_write_ctx);
2165 OPENSSL_free(s->enc_write_ctx);
2166 s->enc_write_ctx=NULL;
2168 if (s->expand != NULL)
2170 COMP_CTX_free(s->expand);
2173 if (s->compress != NULL)
2175 COMP_CTX_free(s->compress);
2180 /* Fix this function so that it takes an optional type parameter */
2181 X509 *SSL_get_certificate(SSL *s)
2183 if (s->cert != NULL)
2184 return(s->cert->key->x509);
2189 /* Fix this function so that it takes an optional type parameter */
2190 EVP_PKEY *SSL_get_privatekey(SSL *s)
2192 if (s->cert != NULL)
2193 return(s->cert->key->privatekey);
2198 SSL_CIPHER *SSL_get_current_cipher(SSL *s)
2200 if ((s->session != NULL) && (s->session->cipher != NULL))
2201 return(s->session->cipher);
2205 int ssl_init_wbio_buffer(SSL *s,int push)
2209 if (s->bbio == NULL)
2211 bbio=BIO_new(BIO_f_buffer());
2212 if (bbio == NULL) return(0);
2218 if (s->bbio == s->wbio)
2219 s->wbio=BIO_pop(s->wbio);
2221 (void)BIO_reset(bbio);
2222 /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
2223 if (!BIO_set_read_buffer_size(bbio,1))
2225 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB);
2230 if (s->wbio != bbio)
2231 s->wbio=BIO_push(bbio,s->wbio);
2235 if (s->wbio == bbio)
2236 s->wbio=BIO_pop(bbio);
2241 void ssl_free_wbio_buffer(SSL *s)
2243 if (s->bbio == NULL) return;
2245 if (s->bbio == s->wbio)
2247 /* remove buffering */
2248 s->wbio=BIO_pop(s->wbio);
2249 #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */
2250 assert(s->wbio != NULL);
2257 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode)
2259 ctx->quiet_shutdown=mode;
2262 int SSL_CTX_get_quiet_shutdown(SSL_CTX *ctx)
2264 return(ctx->quiet_shutdown);
2267 void SSL_set_quiet_shutdown(SSL *s,int mode)
2269 s->quiet_shutdown=mode;
2272 int SSL_get_quiet_shutdown(SSL *s)
2274 return(s->quiet_shutdown);
2277 void SSL_set_shutdown(SSL *s,int mode)
2282 int SSL_get_shutdown(SSL *s)
2284 return(s->shutdown);
2287 int SSL_version(SSL *s)
2292 SSL_CTX *SSL_get_SSL_CTX(SSL *ssl)
2297 #ifndef OPENSSL_NO_STDIO
2298 int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
2300 return(X509_STORE_set_default_paths(ctx->cert_store));
2303 int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
2306 return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath));
2310 void SSL_set_info_callback(SSL *ssl,
2311 void (*cb)(const SSL *ssl,int type,int val))
2313 ssl->info_callback=cb;
2316 void (*SSL_get_info_callback(SSL *ssl))(const SSL *ssl,int type,int val)
2318 return ssl->info_callback;
2321 int SSL_state(SSL *ssl)
2326 void SSL_set_verify_result(SSL *ssl,long arg)
2328 ssl->verify_result=arg;
2331 long SSL_get_verify_result(SSL *ssl)
2333 return(ssl->verify_result);
2336 int SSL_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
2337 CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
2339 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, argl, argp,
2340 new_func, dup_func, free_func);
2343 int SSL_set_ex_data(SSL *s,int idx,void *arg)
2345 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
2348 void *SSL_get_ex_data(SSL *s,int idx)
2350 return(CRYPTO_get_ex_data(&s->ex_data,idx));
2353 int SSL_CTX_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
2354 CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
2356 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, argl, argp,
2357 new_func, dup_func, free_func);
2360 int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg)
2362 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
2365 void *SSL_CTX_get_ex_data(SSL_CTX *s,int idx)
2367 return(CRYPTO_get_ex_data(&s->ex_data,idx));
2375 X509_STORE *SSL_CTX_get_cert_store(SSL_CTX *ctx)
2377 return(ctx->cert_store);
2380 void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store)
2382 if (ctx->cert_store != NULL)
2383 X509_STORE_free(ctx->cert_store);
2384 ctx->cert_store=store;
2387 int SSL_want(SSL *s)
2393 * \brief Set the callback for generating temporary RSA keys.
2394 * \param ctx the SSL context.
2395 * \param cb the callback
2398 #ifndef OPENSSL_NO_RSA
2399 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl,
2403 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)())cb);
2406 void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,
2410 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)())cb);
2416 * \brief The RSA temporary key callback function.
2417 * \param ssl the SSL session.
2418 * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
2419 * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
2420 * of the required key in bits.
2421 * \return the temporary RSA key.
2422 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
2425 RSA *cb(SSL *ssl,int is_export,int keylength)
2430 * \brief Set the callback for generating temporary DH keys.
2431 * \param ctx the SSL context.
2432 * \param dh the callback
2435 #ifndef OPENSSL_NO_DH
2436 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export,
2439 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)())dh);
2442 void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export,
2445 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)())dh);
2449 #ifndef OPENSSL_NO_ECDH
2450 void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
2453 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)())ecdh);
2456 void SSL_set_tmp_ecdh_callback(SSL *ssl,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
2459 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)())ecdh);
2464 void SSL_CTX_set_msg_callback(SSL_CTX *ctx, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))
2466 SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)())cb);
2468 void SSL_set_msg_callback(SSL *ssl, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))
2470 SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)())cb);
2475 #if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16)
2476 #include "../crypto/bio/bss_file.c"
2479 IMPLEMENT_STACK_OF(SSL_CIPHER)
2480 IMPLEMENT_STACK_OF(SSL_COMP)