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>
129 const char *SSL_version_str=OPENSSL_VERSION_TEXT;
131 OPENSSL_GLOBAL SSL3_ENC_METHOD ssl3_undef_enc_method={
132 /* evil casts, but these functions are only called if there's a library bug */
133 (int (*)(SSL *,int))ssl_undefined_function,
134 (int (*)(SSL *, unsigned char *, int))ssl_undefined_function,
135 ssl_undefined_function,
136 (int (*)(SSL *, unsigned char *, unsigned char *, int))ssl_undefined_function,
137 (int (*)(SSL*, int))ssl_undefined_function,
138 (int (*)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char*, int, unsigned char *))ssl_undefined_function
141 int SSL_clear(SSL *s)
144 if (s->method == NULL)
146 SSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED);
150 if (ssl_clear_bad_session(s))
152 SSL_SESSION_free(s->session);
160 #if 0 /* Disabled since version 1.10 of this file (early return not
161 * needed because SSL_clear is not called when doing renegotiation) */
162 /* This is set if we are doing dynamic renegotiation so keep
163 * the old cipher. It is sort of a SSL_clear_lite :-) */
164 if (s->new_session) return(1);
168 SSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR);
175 s->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);
177 s->version=s->method->version;
178 s->client_version=s->version;
179 s->rwstate=SSL_NOTHING;
180 s->rstate=SSL_ST_READ_HEADER;
182 s->read_ahead=s->ctx->read_ahead;
185 if (s->init_buf != NULL)
187 BUF_MEM_free(s->init_buf);
191 ssl_clear_cipher_ctx(s);
196 /* Check to see if we were changed into a different method, if
197 * so, revert back if we are not doing session-id reuse. */
198 if (!s->in_handshake && (s->session == NULL) && (s->method != s->ctx->method))
200 s->method->ssl_free(s);
201 s->method=s->ctx->method;
202 if (!s->method->ssl_new(s))
207 s->method->ssl_clear(s);
211 /** Used to change an SSL_CTXs default SSL method type */
212 int SSL_CTX_set_ssl_version(SSL_CTX *ctx,SSL_METHOD *meth)
214 STACK_OF(SSL_CIPHER) *sk;
218 sk=ssl_create_cipher_list(ctx->method,&(ctx->cipher_list),
219 &(ctx->cipher_list_by_id),SSL_DEFAULT_CIPHER_LIST);
220 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0))
222 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
228 SSL *SSL_new(SSL_CTX *ctx)
234 SSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX);
237 if (ctx->method == NULL)
239 SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);
243 s=(SSL *)OPENSSL_malloc(sizeof(SSL));
244 if (s == NULL) goto err;
245 memset(s,0,sizeof(SSL));
247 #ifndef OPENSSL_NO_KRB5
248 s->kssl_ctx = kssl_ctx_new();
249 #endif /* OPENSSL_NO_KRB5 */
251 s->options=ctx->options;
253 s->max_cert_list=ctx->max_cert_list;
255 if (ctx->cert != NULL)
257 /* Earlier library versions used to copy the pointer to
258 * the CERT, not its contents; only when setting new
259 * parameters for the per-SSL copy, ssl_cert_new would be
260 * called (and the direct reference to the per-SSL_CTX
261 * settings would be lost, but those still were indirectly
262 * accessed for various purposes, and for that reason they
263 * used to be known as s->ctx->default_cert).
264 * Now we don't look at the SSL_CTX's CERT after having
265 * duplicated it once. */
267 s->cert = ssl_cert_dup(ctx->cert);
272 s->cert=NULL; /* Cannot really happen (see SSL_CTX_new) */
274 s->read_ahead=ctx->read_ahead;
275 s->msg_callback=ctx->msg_callback;
276 s->msg_callback_arg=ctx->msg_callback_arg;
277 s->verify_mode=ctx->verify_mode;
278 s->verify_depth=ctx->verify_depth;
279 s->sid_ctx_length=ctx->sid_ctx_length;
280 memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));
281 s->verify_callback=ctx->default_verify_callback;
282 s->generate_session_id=ctx->generate_session_id;
283 s->purpose = ctx->purpose;
284 s->trust = ctx->trust;
285 s->quiet_shutdown=ctx->quiet_shutdown;
287 CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
290 s->verify_result=X509_V_OK;
292 s->method=ctx->method;
294 if (!s->method->ssl_new(s))
298 s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;
302 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
309 ssl_cert_free(s->cert);
311 SSL_CTX_free(s->ctx); /* decrement reference count */
314 SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);
318 int SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx,
319 unsigned int sid_ctx_len)
321 if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
323 SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
326 ctx->sid_ctx_length=sid_ctx_len;
327 memcpy(ctx->sid_ctx,sid_ctx,sid_ctx_len);
332 int SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx,
333 unsigned int sid_ctx_len)
335 if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
337 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
340 ssl->sid_ctx_length=sid_ctx_len;
341 memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len);
346 int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb)
348 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
349 ctx->generate_session_id = cb;
350 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
354 int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb)
356 CRYPTO_w_lock(CRYPTO_LOCK_SSL);
357 ssl->generate_session_id = cb;
358 CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
362 int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
365 /* A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
366 * we can "construct" a session to give us the desired check - ie. to
367 * find if there's a session in the hash table that would conflict with
368 * any new session built out of this id/id_len and the ssl_version in
369 * use by this SSL. */
371 r.ssl_version = ssl->version;
372 r.session_id_length = id_len;
373 memcpy(r.session_id, id, id_len);
374 /* NB: SSLv2 always uses a fixed 16-byte session ID, so even if a
375 * callback is calling us to check the uniqueness of a shorter ID, it
376 * must be compared as a padded-out ID because that is what it will be
377 * converted to when the callback has finished choosing it. */
378 if((r.ssl_version == SSL2_VERSION) &&
379 (id_len < SSL2_SSL_SESSION_ID_LENGTH))
381 memset(r.session_id + id_len, 0,
382 SSL2_SSL_SESSION_ID_LENGTH - id_len);
383 r.session_id_length = SSL2_SSL_SESSION_ID_LENGTH;
386 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
387 p = (SSL_SESSION *)lh_retrieve(ssl->ctx->sessions, &r);
388 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
392 int SSL_CTX_set_purpose(SSL_CTX *s, int purpose)
394 return X509_PURPOSE_set(&s->purpose, purpose);
397 int SSL_set_purpose(SSL *s, int purpose)
399 return X509_PURPOSE_set(&s->purpose, purpose);
402 int SSL_CTX_set_trust(SSL_CTX *s, int trust)
404 return X509_TRUST_set(&s->trust, trust);
407 int SSL_set_trust(SSL *s, int trust)
409 return X509_TRUST_set(&s->trust, trust);
412 void SSL_free(SSL *s)
419 i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL);
427 fprintf(stderr,"SSL_free, bad reference count\n");
432 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
436 /* If the buffering BIO is in place, pop it off */
437 if (s->bbio == s->wbio)
439 s->wbio=BIO_pop(s->wbio);
445 BIO_free_all(s->rbio);
446 if ((s->wbio != NULL) && (s->wbio != s->rbio))
447 BIO_free_all(s->wbio);
449 if (s->init_buf != NULL) BUF_MEM_free(s->init_buf);
451 /* add extra stuff */
452 if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list);
453 if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id);
455 /* Make the next call work :-) */
456 if (s->session != NULL)
458 ssl_clear_bad_session(s);
459 SSL_SESSION_free(s->session);
462 ssl_clear_cipher_ctx(s);
464 if (s->cert != NULL) ssl_cert_free(s->cert);
465 /* Free up if allocated */
467 if (s->ctx) SSL_CTX_free(s->ctx);
469 if (s->client_CA != NULL)
470 sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free);
472 if (s->method != NULL) s->method->ssl_free(s);
477 void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio)
479 /* If the output buffering BIO is still in place, remove it
483 if (s->wbio == s->bbio)
485 s->wbio=s->wbio->next_bio;
486 s->bbio->next_bio=NULL;
489 if ((s->rbio != NULL) && (s->rbio != rbio))
490 BIO_free_all(s->rbio);
491 if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio))
492 BIO_free_all(s->wbio);
497 BIO *SSL_get_rbio(SSL *s)
500 BIO *SSL_get_wbio(SSL *s)
503 int SSL_get_fd(SSL *s)
505 return(SSL_get_rfd(s));
508 int SSL_get_rfd(SSL *s)
514 r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
520 int SSL_get_wfd(SSL *s)
526 r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
532 #ifndef OPENSSL_NO_SOCK
533 int SSL_set_fd(SSL *s,int fd)
538 bio=BIO_new(BIO_s_socket());
542 SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB);
545 BIO_set_fd(bio,fd,BIO_NOCLOSE);
546 SSL_set_bio(s,bio,bio);
552 int SSL_set_wfd(SSL *s,int fd)
557 if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET)
558 || ((int)BIO_get_fd(s->rbio,NULL) != fd))
560 bio=BIO_new(BIO_s_socket());
563 { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; }
564 BIO_set_fd(bio,fd,BIO_NOCLOSE);
565 SSL_set_bio(s,SSL_get_rbio(s),bio);
568 SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s));
574 int SSL_set_rfd(SSL *s,int fd)
579 if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET)
580 || ((int)BIO_get_fd(s->wbio,NULL) != fd))
582 bio=BIO_new(BIO_s_socket());
586 SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB);
589 BIO_set_fd(bio,fd,BIO_NOCLOSE);
590 SSL_set_bio(s,bio,SSL_get_wbio(s));
593 SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s));
601 /* return length of latest Finished message we sent, copy to 'buf' */
602 size_t SSL_get_finished(SSL *s, void *buf, size_t count)
608 ret = s->s3->tmp.finish_md_len;
611 memcpy(buf, s->s3->tmp.finish_md, count);
616 /* return length of latest Finished message we expected, copy to 'buf' */
617 size_t SSL_get_peer_finished(SSL *s, void *buf, size_t count)
623 ret = s->s3->tmp.peer_finish_md_len;
626 memcpy(buf, s->s3->tmp.peer_finish_md, count);
632 int SSL_get_verify_mode(SSL *s)
634 return(s->verify_mode);
637 int SSL_get_verify_depth(SSL *s)
639 return(s->verify_depth);
642 int (*SSL_get_verify_callback(SSL *s))(int,X509_STORE_CTX *)
644 return(s->verify_callback);
647 int SSL_CTX_get_verify_mode(SSL_CTX *ctx)
649 return(ctx->verify_mode);
652 int SSL_CTX_get_verify_depth(SSL_CTX *ctx)
654 return(ctx->verify_depth);
657 int (*SSL_CTX_get_verify_callback(SSL_CTX *ctx))(int,X509_STORE_CTX *)
659 return(ctx->default_verify_callback);
662 void SSL_set_verify(SSL *s,int mode,
663 int (*callback)(int ok,X509_STORE_CTX *ctx))
666 if (callback != NULL)
667 s->verify_callback=callback;
670 void SSL_set_verify_depth(SSL *s,int depth)
672 s->verify_depth=depth;
675 void SSL_set_read_ahead(SSL *s,int yes)
680 int SSL_get_read_ahead(SSL *s)
682 return(s->read_ahead);
685 int SSL_pending(SSL *s)
687 /* SSL_pending cannot work properly if read-ahead is enabled
688 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)),
689 * and it is impossible to fix since SSL_pending cannot report
690 * errors that may be observed while scanning the new data.
691 * (Note that SSL_pending() is often used as a boolean value,
692 * so we'd better not return -1.)
694 return(s->method->ssl_pending(s));
697 X509 *SSL_get_peer_certificate(SSL *s)
701 if ((s == NULL) || (s->session == NULL))
706 if (r == NULL) return(r);
708 CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509);
713 STACK_OF(X509) *SSL_get_peer_cert_chain(SSL *s)
717 if ((s == NULL) || (s->session == NULL) || (s->session->sess_cert == NULL))
720 r=s->session->sess_cert->cert_chain;
722 /* If we are a client, cert_chain includes the peer's own
723 * certificate; if we are a server, it does not. */
728 /* Now in theory, since the calling process own 't' it should be safe to
729 * modify. We need to be able to read f without being hassled */
730 void SSL_copy_session_id(SSL *t,SSL *f)
734 /* Do we need to to SSL locking? */
735 SSL_set_session(t,SSL_get_session(f));
737 /* what if we are setup as SSLv2 but want to talk SSLv3 or
739 if (t->method != f->method)
741 t->method->ssl_free(t); /* cleanup current */
742 t->method=f->method; /* change method */
743 t->method->ssl_new(t); /* setup new */
749 CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT);
754 if (tmp != NULL) ssl_cert_free(tmp);
755 SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length);
758 /* Fix this so it checks all the valid key/cert options */
759 int SSL_CTX_check_private_key(SSL_CTX *ctx)
761 if ( (ctx == NULL) ||
762 (ctx->cert == NULL) ||
763 (ctx->cert->key->x509 == NULL))
765 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
768 if (ctx->cert->key->privatekey == NULL)
770 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
773 return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey));
776 /* Fix this function so that it takes an optional type parameter */
777 int SSL_check_private_key(SSL *ssl)
781 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER);
784 if (ssl->cert == NULL)
786 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
789 if (ssl->cert->key->x509 == NULL)
791 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
794 if (ssl->cert->key->privatekey == NULL)
796 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
799 return(X509_check_private_key(ssl->cert->key->x509,
800 ssl->cert->key->privatekey));
803 int SSL_accept(SSL *s)
805 if (s->handshake_func == 0)
806 /* Not properly initialized yet */
807 SSL_set_accept_state(s);
809 return(s->method->ssl_accept(s));
812 int SSL_connect(SSL *s)
814 if (s->handshake_func == 0)
815 /* Not properly initialized yet */
816 SSL_set_connect_state(s);
818 return(s->method->ssl_connect(s));
821 long SSL_get_default_timeout(SSL *s)
823 return(s->method->get_timeout());
826 int SSL_read(SSL *s,void *buf,int num)
828 if (s->handshake_func == 0)
830 SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
834 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
836 s->rwstate=SSL_NOTHING;
839 return(s->method->ssl_read(s,buf,num));
842 int SSL_peek(SSL *s,void *buf,int num)
844 if (s->handshake_func == 0)
846 SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
850 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
854 return(s->method->ssl_peek(s,buf,num));
857 int SSL_write(SSL *s,const void *buf,int num)
859 if (s->handshake_func == 0)
861 SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED);
865 if (s->shutdown & SSL_SENT_SHUTDOWN)
867 s->rwstate=SSL_NOTHING;
868 SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN);
871 return(s->method->ssl_write(s,buf,num));
874 int SSL_shutdown(SSL *s)
876 /* Note that this function behaves differently from what one might
877 * expect. Return values are 0 for no success (yet),
878 * 1 for success; but calling it once is usually not enough,
879 * even if blocking I/O is used (see ssl3_shutdown).
882 if (s->handshake_func == 0)
884 SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED);
888 if ((s != NULL) && !SSL_in_init(s))
889 return(s->method->ssl_shutdown(s));
894 int SSL_renegotiate(SSL *s)
896 if (s->new_session == 0)
900 return(s->method->ssl_renegotiate(s));
903 int SSL_renegotiate_pending(SSL *s)
905 /* becomes true when negotiation is requested;
906 * false again once a handshake has finished */
907 return (s->new_session != 0);
910 long SSL_ctrl(SSL *s,int cmd,long larg,void *parg)
916 case SSL_CTRL_GET_READ_AHEAD:
917 return(s->read_ahead);
918 case SSL_CTRL_SET_READ_AHEAD:
923 case SSL_CTRL_SET_MSG_CALLBACK_ARG:
924 s->msg_callback_arg = parg;
927 case SSL_CTRL_OPTIONS:
928 return(s->options|=larg);
930 return(s->mode|=larg);
931 case SSL_CTRL_GET_MAX_CERT_LIST:
932 return(s->max_cert_list);
933 case SSL_CTRL_SET_MAX_CERT_LIST:
935 s->max_cert_list=larg;
938 return(s->method->ssl_ctrl(s,cmd,larg,parg));
942 long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)())
946 case SSL_CTRL_SET_MSG_CALLBACK:
947 s->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp);
951 return(s->method->ssl_callback_ctrl(s,cmd,fp));
955 struct lhash_st *SSL_CTX_sessions(SSL_CTX *ctx)
957 return ctx->sessions;
960 long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,void *parg)
966 case SSL_CTRL_GET_READ_AHEAD:
967 return(ctx->read_ahead);
968 case SSL_CTRL_SET_READ_AHEAD:
970 ctx->read_ahead=larg;
973 case SSL_CTRL_SET_MSG_CALLBACK_ARG:
974 ctx->msg_callback_arg = parg;
977 case SSL_CTRL_GET_MAX_CERT_LIST:
978 return(ctx->max_cert_list);
979 case SSL_CTRL_SET_MAX_CERT_LIST:
980 l=ctx->max_cert_list;
981 ctx->max_cert_list=larg;
984 case SSL_CTRL_SET_SESS_CACHE_SIZE:
985 l=ctx->session_cache_size;
986 ctx->session_cache_size=larg;
988 case SSL_CTRL_GET_SESS_CACHE_SIZE:
989 return(ctx->session_cache_size);
990 case SSL_CTRL_SET_SESS_CACHE_MODE:
991 l=ctx->session_cache_mode;
992 ctx->session_cache_mode=larg;
994 case SSL_CTRL_GET_SESS_CACHE_MODE:
995 return(ctx->session_cache_mode);
997 case SSL_CTRL_SESS_NUMBER:
998 return(ctx->sessions->num_items);
999 case SSL_CTRL_SESS_CONNECT:
1000 return(ctx->stats.sess_connect);
1001 case SSL_CTRL_SESS_CONNECT_GOOD:
1002 return(ctx->stats.sess_connect_good);
1003 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE:
1004 return(ctx->stats.sess_connect_renegotiate);
1005 case SSL_CTRL_SESS_ACCEPT:
1006 return(ctx->stats.sess_accept);
1007 case SSL_CTRL_SESS_ACCEPT_GOOD:
1008 return(ctx->stats.sess_accept_good);
1009 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE:
1010 return(ctx->stats.sess_accept_renegotiate);
1011 case SSL_CTRL_SESS_HIT:
1012 return(ctx->stats.sess_hit);
1013 case SSL_CTRL_SESS_CB_HIT:
1014 return(ctx->stats.sess_cb_hit);
1015 case SSL_CTRL_SESS_MISSES:
1016 return(ctx->stats.sess_miss);
1017 case SSL_CTRL_SESS_TIMEOUTS:
1018 return(ctx->stats.sess_timeout);
1019 case SSL_CTRL_SESS_CACHE_FULL:
1020 return(ctx->stats.sess_cache_full);
1021 case SSL_CTRL_OPTIONS:
1022 return(ctx->options|=larg);
1024 return(ctx->mode|=larg);
1026 return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg));
1030 long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)())
1034 case SSL_CTRL_SET_MSG_CALLBACK:
1035 ctx->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp);
1039 return(ctx->method->ssl_ctx_callback_ctrl(ctx,cmd,fp));
1043 int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b)
1051 return((l > 0)?1:-1);
1054 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
1055 const SSL_CIPHER * const *bp)
1059 l=(*ap)->id-(*bp)->id;
1063 return((l > 0)?1:-1);
1066 /** return a STACK of the ciphers available for the SSL and in order of
1068 STACK_OF(SSL_CIPHER) *SSL_get_ciphers(SSL *s)
1070 if ((s != NULL) && (s->cipher_list != NULL))
1072 return(s->cipher_list);
1074 else if ((s->ctx != NULL) &&
1075 (s->ctx->cipher_list != NULL))
1077 return(s->ctx->cipher_list);
1082 /** return a STACK of the ciphers available for the SSL and in order of
1084 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s)
1086 if ((s != NULL) && (s->cipher_list_by_id != NULL))
1088 return(s->cipher_list_by_id);
1090 else if ((s != NULL) && (s->ctx != NULL) &&
1091 (s->ctx->cipher_list_by_id != NULL))
1093 return(s->ctx->cipher_list_by_id);
1098 /** The old interface to get the same thing as SSL_get_ciphers() */
1099 const char *SSL_get_cipher_list(SSL *s,int n)
1102 STACK_OF(SSL_CIPHER) *sk;
1104 if (s == NULL) return(NULL);
1105 sk=SSL_get_ciphers(s);
1106 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n))
1108 c=sk_SSL_CIPHER_value(sk,n);
1109 if (c == NULL) return(NULL);
1113 /** specify the ciphers to be used by default by the SSL_CTX */
1114 int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)
1116 STACK_OF(SSL_CIPHER) *sk;
1118 sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list,
1119 &ctx->cipher_list_by_id,str);
1121 return((sk == NULL)?0:1);
1124 /** specify the ciphers to be used by the SSL */
1125 int SSL_set_cipher_list(SSL *s,const char *str)
1127 STACK_OF(SSL_CIPHER) *sk;
1129 sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list,
1130 &s->cipher_list_by_id,str);
1132 return((sk == NULL)?0:1);
1135 /* works well for SSLv2, not so good for SSLv3 */
1136 char *SSL_get_shared_ciphers(SSL *s,char *buf,int len)
1140 STACK_OF(SSL_CIPHER) *sk;
1144 if ((s->session == NULL) || (s->session->ciphers == NULL) ||
1149 sk=s->session->ciphers;
1150 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
1152 /* Decrement for either the ':' or a '\0' */
1154 c=sk_SSL_CIPHER_value(sk,i);
1155 for (cp=c->name; *cp; )
1171 int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p)
1176 #ifndef OPENSSL_NO_KRB5
1177 int nokrb5 = !kssl_tgt_is_available(s->kssl_ctx);
1178 #endif /* OPENSSL_NO_KRB5 */
1180 if (sk == NULL) return(0);
1183 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
1185 c=sk_SSL_CIPHER_value(sk,i);
1186 #ifndef OPENSSL_NO_KRB5
1187 if ((c->algorithms & SSL_KRB5) && nokrb5)
1189 #endif /* OPENSSL_NO_KRB5 */
1190 j=ssl_put_cipher_by_char(s,c,p);
1196 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
1197 STACK_OF(SSL_CIPHER) **skp)
1200 STACK_OF(SSL_CIPHER) *sk;
1203 n=ssl_put_cipher_by_char(s,NULL,NULL);
1206 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
1209 if ((skp == NULL) || (*skp == NULL))
1210 sk=sk_SSL_CIPHER_new_null(); /* change perhaps later */
1214 sk_SSL_CIPHER_zero(sk);
1217 for (i=0; i<num; i+=n)
1219 c=ssl_get_cipher_by_char(s,p);
1223 if (!sk_SSL_CIPHER_push(sk,c))
1225 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
1235 if ((skp == NULL) || (*skp == NULL))
1236 sk_SSL_CIPHER_free(sk);
1240 unsigned long SSL_SESSION_hash(SSL_SESSION *a)
1245 ((unsigned int) a->session_id[0] )|
1246 ((unsigned int) a->session_id[1]<< 8L)|
1247 ((unsigned long)a->session_id[2]<<16L)|
1248 ((unsigned long)a->session_id[3]<<24L);
1252 /* NB: If this function (or indeed the hash function which uses a sort of
1253 * coarser function than this one) is changed, ensure
1254 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being
1255 * able to construct an SSL_SESSION that will collide with any existing session
1256 * with a matching session ID. */
1257 int SSL_SESSION_cmp(SSL_SESSION *a,SSL_SESSION *b)
1259 if (a->ssl_version != b->ssl_version)
1261 if (a->session_id_length != b->session_id_length)
1263 return(memcmp(a->session_id,b->session_id,a->session_id_length));
1266 /* These wrapper functions should remain rather than redeclaring
1267 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
1268 * variable. The reason is that the functions aren't static, they're exposed via
1270 static IMPLEMENT_LHASH_HASH_FN(SSL_SESSION_hash, SSL_SESSION *)
1271 static IMPLEMENT_LHASH_COMP_FN(SSL_SESSION_cmp, SSL_SESSION *)
1273 SSL_CTX *SSL_CTX_new(SSL_METHOD *meth)
1279 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);
1283 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
1285 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
1288 ret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX));
1292 memset(ret,0,sizeof(SSL_CTX));
1296 ret->cert_store=NULL;
1297 ret->session_cache_mode=SSL_SESS_CACHE_SERVER;
1298 ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
1299 ret->session_cache_head=NULL;
1300 ret->session_cache_tail=NULL;
1302 /* We take the system default */
1303 ret->session_timeout=meth->get_timeout();
1305 ret->new_session_cb=0;
1306 ret->remove_session_cb=0;
1307 ret->get_session_cb=0;
1308 ret->generate_session_id=0;
1310 memset((char *)&ret->stats,0,sizeof(ret->stats));
1313 ret->quiet_shutdown=0;
1315 /* ret->cipher=NULL;*/
1316 /* ret->s2->challenge=NULL;
1317 ret->master_key=NULL;
1319 ret->s2->conn_id=NULL; */
1321 ret->info_callback=NULL;
1323 ret->app_verify_callback=0;
1324 ret->app_verify_arg=NULL;
1326 ret->max_cert_list=SSL_MAX_CERT_LIST_DEFAULT;
1328 ret->msg_callback=0;
1329 ret->msg_callback_arg=NULL;
1330 ret->verify_mode=SSL_VERIFY_NONE;
1331 ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */
1332 ret->sid_ctx_length=0;
1333 ret->default_verify_callback=NULL;
1334 if ((ret->cert=ssl_cert_new()) == NULL)
1337 ret->default_passwd_callback=0;
1338 ret->default_passwd_callback_userdata=NULL;
1339 ret->client_cert_cb=0;
1341 ret->sessions=lh_new(LHASH_HASH_FN(SSL_SESSION_hash),
1342 LHASH_COMP_FN(SSL_SESSION_cmp));
1343 if (ret->sessions == NULL) goto err;
1344 ret->cert_store=X509_STORE_new();
1345 if (ret->cert_store == NULL) goto err;
1347 ssl_create_cipher_list(ret->method,
1348 &ret->cipher_list,&ret->cipher_list_by_id,
1349 SSL_DEFAULT_CIPHER_LIST);
1350 if (ret->cipher_list == NULL
1351 || sk_SSL_CIPHER_num(ret->cipher_list) <= 0)
1353 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS);
1357 if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)
1359 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);
1362 if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL)
1364 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);
1367 if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL)
1369 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);
1373 if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL)
1376 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data);
1378 ret->extra_certs=NULL;
1379 ret->comp_methods=SSL_COMP_get_compression_methods();
1383 SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);
1385 if (ret != NULL) SSL_CTX_free(ret);
1390 static void SSL_COMP_free(SSL_COMP *comp)
1391 { OPENSSL_free(comp); }
1394 void SSL_CTX_free(SSL_CTX *a)
1398 if (a == NULL) return;
1400 i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX);
1402 REF_PRINT("SSL_CTX",a);
1408 fprintf(stderr,"SSL_CTX_free, bad reference count\n");
1414 * Free internal session cache. However: the remove_cb() may reference
1415 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
1416 * after the sessions were flushed.
1417 * As the ex_data handling routines might also touch the session cache,
1418 * the most secure solution seems to be: empty (flush) the cache, then
1419 * free ex_data, then finally free the cache.
1420 * (See ticket [openssl.org #212].)
1422 if (a->sessions != NULL)
1423 SSL_CTX_flush_sessions(a,0);
1425 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);
1427 if (a->sessions != NULL)
1428 lh_free(a->sessions);
1430 if (a->cert_store != NULL)
1431 X509_STORE_free(a->cert_store);
1432 if (a->cipher_list != NULL)
1433 sk_SSL_CIPHER_free(a->cipher_list);
1434 if (a->cipher_list_by_id != NULL)
1435 sk_SSL_CIPHER_free(a->cipher_list_by_id);
1436 if (a->cert != NULL)
1437 ssl_cert_free(a->cert);
1438 if (a->client_CA != NULL)
1439 sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free);
1440 if (a->extra_certs != NULL)
1441 sk_X509_pop_free(a->extra_certs,X509_free);
1442 #if 0 /* This should never be done, since it removes a global database */
1443 if (a->comp_methods != NULL)
1444 sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free);
1446 a->comp_methods = NULL;
1451 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb)
1453 ctx->default_passwd_callback=cb;
1456 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx,void *u)
1458 ctx->default_passwd_callback_userdata=u;
1461 void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *,void *), void *arg)
1463 ctx->app_verify_callback=cb;
1464 ctx->app_verify_arg=arg;
1467 void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *))
1469 ctx->verify_mode=mode;
1470 ctx->default_verify_callback=cb;
1473 void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth)
1475 ctx->verify_depth=depth;
1478 void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher)
1481 int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign;
1482 int rsa_enc_export,dh_rsa_export,dh_dsa_export;
1483 int rsa_tmp_export,dh_tmp_export,kl;
1484 unsigned long mask,emask;
1485 int have_ecc_cert, have_ecdh_tmp, ecdh_ok, ecdsa_ok, ecc_pkey_size;
1487 EVP_PKEY *ecc_pkey = NULL;
1488 int signature_nid = 0;
1490 if (c == NULL) return;
1492 kl=SSL_C_EXPORT_PKEYLENGTH(cipher);
1494 #ifndef OPENSSL_NO_RSA
1495 rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL);
1496 rsa_tmp_export=(c->rsa_tmp_cb != NULL ||
1497 (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl));
1499 rsa_tmp=rsa_tmp_export=0;
1501 #ifndef OPENSSL_NO_DH
1502 dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL);
1503 dh_tmp_export=(c->dh_tmp_cb != NULL ||
1504 (dh_tmp && DH_size(c->dh_tmp)*8 <= kl));
1506 dh_tmp=dh_tmp_export=0;
1509 #ifndef OPENSSL_NO_ECDH
1510 have_ecdh_tmp=(c->ecdh_tmp != NULL || c->ecdh_tmp_cb != NULL);
1512 cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);
1513 rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);
1514 rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1515 cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);
1516 rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1517 cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);
1518 dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1519 cpk= &(c->pkeys[SSL_PKEY_DH_RSA]);
1520 dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
1521 dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1522 cpk= &(c->pkeys[SSL_PKEY_DH_DSA]);
1523 /* FIX THIS EAY EAY EAY */
1524 dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
1525 dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1526 cpk= &(c->pkeys[SSL_PKEY_ECC]);
1527 have_ecc_cert= (cpk->x509 != NULL && cpk->privatekey != NULL);
1532 printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
1533 rsa_tmp,rsa_tmp_export,dh_tmp,
1534 rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);
1537 if (rsa_enc || (rsa_tmp && rsa_sign))
1539 if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc)))
1543 /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
1544 if ( (dh_tmp || dh_rsa || dh_dsa) &&
1545 (rsa_enc || rsa_sign || dsa_sign))
1547 if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) &&
1548 (rsa_enc || rsa_sign || dsa_sign))
1558 if (dh_rsa) mask|=SSL_kDHr;
1559 if (dh_rsa_export) emask|=SSL_kDHr;
1561 if (dh_dsa) mask|=SSL_kDHd;
1562 if (dh_dsa_export) emask|=SSL_kDHd;
1564 if (rsa_enc || rsa_sign)
1579 #ifndef OPENSSL_NO_KRB5
1580 mask|=SSL_kKRB5|SSL_aKRB5;
1581 emask|=SSL_kKRB5|SSL_aKRB5;
1584 /* An ECC certificate may be usable for ECDH and/or
1585 * ECDSA cipher suites depending on the key usage extension.
1589 /* This call populates extension flags (ex_flags) */
1590 x = (c->pkeys[SSL_PKEY_ECC]).x509;
1591 X509_check_purpose(x, -1, 0);
1592 ecdh_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
1593 (x->ex_kusage & X509v3_KU_KEY_AGREEMENT) : 1;
1594 ecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
1595 (x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) : 1;
1596 ecc_pkey = X509_get_pubkey(x);
1597 ecc_pkey_size = (ecc_pkey != NULL) ?
1598 EVP_PKEY_bits(ecc_pkey) : 0;
1599 EVP_PKEY_free(ecc_pkey);
1600 if ((x->sig_alg) && (x->sig_alg->algorithm))
1601 signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
1602 #ifndef OPENSSL_NO_ECDH
1605 if ((signature_nid == NID_md5WithRSAEncryption) ||
1606 (signature_nid == NID_md4WithRSAEncryption) ||
1607 (signature_nid == NID_md2WithRSAEncryption))
1609 mask|=SSL_kECDH|SSL_aRSA;
1610 if (ecc_pkey_size <= 163)
1611 emask|=SSL_kECDH|SSL_aRSA;
1613 if (signature_nid == NID_ecdsa_with_SHA1)
1615 mask|=SSL_kECDH|SSL_aECDSA;
1616 if (ecc_pkey_size <= 163)
1617 emask|=SSL_kECDH|SSL_aECDSA;
1621 #ifndef OPENSSL_NO_ECDSA
1630 #ifndef OPENSSL_NO_ECDH
1638 c->export_mask=emask;
1642 /* This handy macro borrowed from crypto/x509v3/v3_purp.c */
1643 #define ku_reject(x, usage) \
1644 (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
1646 int check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs)
1648 unsigned long alg = cs->algorithms;
1649 EVP_PKEY *pkey = NULL;
1651 int signature_nid = 0;
1653 if (SSL_C_IS_EXPORT(cs))
1655 /* ECDH key length in export ciphers must be <= 163 bits */
1656 pkey = X509_get_pubkey(x);
1657 if (pkey == NULL) return 0;
1658 keysize = EVP_PKEY_bits(pkey);
1659 EVP_PKEY_free(pkey);
1660 if (keysize > 163) return 0;
1663 /* This call populates the ex_flags field correctly */
1664 X509_check_purpose(x, -1, 0);
1665 if ((x->sig_alg) && (x->sig_alg->algorithm))
1666 signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
1667 if (alg & SSL_kECDH)
1669 /* key usage, if present, must allow key agreement */
1670 if (ku_reject(x, X509v3_KU_KEY_AGREEMENT))
1674 if (alg & SSL_aECDSA)
1676 /* signature alg must be ECDSA */
1677 if (signature_nid != NID_ecdsa_with_SHA1)
1684 /* signature alg must be RSA */
1685 if ((signature_nid != NID_md5WithRSAEncryption) &&
1686 (signature_nid != NID_md4WithRSAEncryption) &&
1687 (signature_nid != NID_md2WithRSAEncryption))
1693 else if (alg & SSL_aECDSA)
1695 /* key usage, if present, must allow signing */
1696 if (ku_reject(x, X509v3_KU_DIGITAL_SIGNATURE))
1702 return 1; /* all checks are ok */
1705 /* THIS NEEDS CLEANING UP */
1706 X509 *ssl_get_server_send_cert(SSL *s)
1708 unsigned long alg,mask,kalg;
1713 ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
1714 alg=s->s3->tmp.new_cipher->algorithms;
1715 is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
1716 mask=is_export?c->export_mask:c->mask;
1717 kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1719 if (kalg & SSL_kECDH)
1721 /* we don't need to look at SSL_kECDHE
1722 * since no certificate is needed for
1723 * anon ECDH and for authenticated
1724 * ECDHE, the check for the auth
1725 * algorithm will set i correctly
1726 * NOTE: For ECDH-RSA, we need an ECC
1727 * not an RSA cert but for ECDHE-RSA
1728 * we need an RSA cert. Placing the
1729 * checks for SSL_kECDH before RSA
1730 * checks ensures the correct cert is chosen.
1734 else if (kalg & SSL_aECDSA)
1738 else if (kalg & SSL_kDHr)
1740 else if (kalg & SSL_kDHd)
1742 else if (kalg & SSL_aDSS)
1743 i=SSL_PKEY_DSA_SIGN;
1744 else if (kalg & SSL_aRSA)
1746 if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)
1747 i=SSL_PKEY_RSA_SIGN;
1751 else if (kalg & SSL_aKRB5)
1753 /* VRS something else here? */
1756 else /* if (kalg & SSL_aNULL) */
1758 SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,ERR_R_INTERNAL_ERROR);
1761 if (c->pkeys[i].x509 == NULL) return(NULL);
1763 return(c->pkeys[i].x509);
1766 EVP_PKEY *ssl_get_sign_pkey(SSL *s,SSL_CIPHER *cipher)
1771 alg=cipher->algorithms;
1774 if ((alg & SSL_aDSS) &&
1775 (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
1776 return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey);
1777 else if (alg & SSL_aRSA)
1779 if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
1780 return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey);
1781 else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
1782 return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey);
1786 else if ((alg & SSL_aECDSA) &&
1787 (c->pkeys[SSL_PKEY_ECC].privatekey != NULL))
1788 return(c->pkeys[SSL_PKEY_ECC].privatekey);
1789 else /* if (alg & SSL_aNULL) */
1791 SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR);
1796 void ssl_update_cache(SSL *s,int mode)
1800 /* If the session_id_length is 0, we are not supposed to cache it,
1801 * and it would be rather hard to do anyway :-) */
1802 if (s->session->session_id_length == 0) return;
1804 i=s->ctx->session_cache_mode;
1805 if ((i & mode) && (!s->hit)
1806 && ((i & SSL_SESS_CACHE_NO_INTERNAL_LOOKUP)
1807 || SSL_CTX_add_session(s->ctx,s->session))
1808 && (s->ctx->new_session_cb != NULL))
1810 CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION);
1811 if (!s->ctx->new_session_cb(s,s->session))
1812 SSL_SESSION_free(s->session);
1815 /* auto flush every 255 connections */
1816 if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) &&
1817 ((i & mode) == mode))
1819 if ( (((mode & SSL_SESS_CACHE_CLIENT)
1820 ?s->ctx->stats.sess_connect_good
1821 :s->ctx->stats.sess_accept_good) & 0xff) == 0xff)
1823 SSL_CTX_flush_sessions(s->ctx,time(NULL));
1828 SSL_METHOD *SSL_get_ssl_method(SSL *s)
1833 int SSL_set_ssl_method(SSL *s,SSL_METHOD *meth)
1838 if (s->method != meth)
1840 if (s->handshake_func != NULL)
1841 conn=(s->handshake_func == s->method->ssl_connect);
1843 if (s->method->version == meth->version)
1847 s->method->ssl_free(s);
1849 ret=s->method->ssl_new(s);
1853 s->handshake_func=meth->ssl_connect;
1855 s->handshake_func=meth->ssl_accept;
1860 int SSL_get_error(SSL *s,int i)
1866 if (i > 0) return(SSL_ERROR_NONE);
1868 /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
1869 * etc, where we do encode the error */
1870 if ((l=ERR_peek_error()) != 0)
1872 if (ERR_GET_LIB(l) == ERR_LIB_SYS)
1873 return(SSL_ERROR_SYSCALL);
1875 return(SSL_ERROR_SSL);
1878 if ((i < 0) && SSL_want_read(s))
1880 bio=SSL_get_rbio(s);
1881 if (BIO_should_read(bio))
1882 return(SSL_ERROR_WANT_READ);
1883 else if (BIO_should_write(bio))
1884 /* This one doesn't make too much sense ... We never try
1885 * to write to the rbio, and an application program where
1886 * rbio and wbio are separate couldn't even know what it
1888 * However if we ever set s->rwstate incorrectly
1889 * (so that we have SSL_want_read(s) instead of
1890 * SSL_want_write(s)) and rbio and wbio *are* the same,
1891 * this test works around that bug; so it might be safer
1893 return(SSL_ERROR_WANT_WRITE);
1894 else if (BIO_should_io_special(bio))
1896 reason=BIO_get_retry_reason(bio);
1897 if (reason == BIO_RR_CONNECT)
1898 return(SSL_ERROR_WANT_CONNECT);
1899 else if (reason == BIO_RR_ACCEPT)
1900 return(SSL_ERROR_WANT_ACCEPT);
1902 return(SSL_ERROR_SYSCALL); /* unknown */
1906 if ((i < 0) && SSL_want_write(s))
1908 bio=SSL_get_wbio(s);
1909 if (BIO_should_write(bio))
1910 return(SSL_ERROR_WANT_WRITE);
1911 else if (BIO_should_read(bio))
1912 /* See above (SSL_want_read(s) with BIO_should_write(bio)) */
1913 return(SSL_ERROR_WANT_READ);
1914 else if (BIO_should_io_special(bio))
1916 reason=BIO_get_retry_reason(bio);
1917 if (reason == BIO_RR_CONNECT)
1918 return(SSL_ERROR_WANT_CONNECT);
1919 else if (reason == BIO_RR_ACCEPT)
1920 return(SSL_ERROR_WANT_ACCEPT);
1922 return(SSL_ERROR_SYSCALL);
1925 if ((i < 0) && SSL_want_x509_lookup(s))
1927 return(SSL_ERROR_WANT_X509_LOOKUP);
1932 if (s->version == SSL2_VERSION)
1934 /* assume it is the socket being closed */
1935 return(SSL_ERROR_ZERO_RETURN);
1939 if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) &&
1940 (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY))
1941 return(SSL_ERROR_ZERO_RETURN);
1944 return(SSL_ERROR_SYSCALL);
1947 int SSL_do_handshake(SSL *s)
1951 if (s->handshake_func == NULL)
1953 SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET);
1957 s->method->ssl_renegotiate_check(s);
1959 if (SSL_in_init(s) || SSL_in_before(s))
1961 ret=s->handshake_func(s);
1966 /* For the next 2 functions, SSL_clear() sets shutdown and so
1967 * one of these calls will reset it */
1968 void SSL_set_accept_state(SSL *s)
1972 s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE;
1973 s->handshake_func=s->method->ssl_accept;
1974 /* clear the current cipher */
1975 ssl_clear_cipher_ctx(s);
1978 void SSL_set_connect_state(SSL *s)
1982 s->state=SSL_ST_CONNECT|SSL_ST_BEFORE;
1983 s->handshake_func=s->method->ssl_connect;
1984 /* clear the current cipher */
1985 ssl_clear_cipher_ctx(s);
1988 int ssl_undefined_function(SSL *s)
1990 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1994 SSL_METHOD *ssl_bad_method(int ver)
1996 SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2000 const char *SSL_get_version(SSL *s)
2002 if (s->version == TLS1_VERSION)
2004 else if (s->version == SSL3_VERSION)
2006 else if (s->version == SSL2_VERSION)
2012 SSL *SSL_dup(SSL *s)
2014 STACK_OF(X509_NAME) *sk;
2019 if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL)
2022 ret->version = s->version;
2023 ret->type = s->type;
2024 ret->method = s->method;
2026 if (s->session != NULL)
2028 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
2029 SSL_copy_session_id(ret,s);
2033 /* No session has been established yet, so we have to expect
2034 * that s->cert or ret->cert will be changed later --
2035 * they should not both point to the same object,
2036 * and thus we can't use SSL_copy_session_id. */
2038 ret->method = s->method;
2039 ret->method->ssl_new(ret);
2041 if (s->cert != NULL)
2043 if (ret->cert != NULL)
2045 ssl_cert_free(ret->cert);
2047 ret->cert = ssl_cert_dup(s->cert);
2048 if (ret->cert == NULL)
2052 SSL_set_session_id_context(ret,
2053 s->sid_ctx, s->sid_ctx_length);
2056 ret->options=s->options;
2058 SSL_set_max_cert_list(ret,SSL_get_max_cert_list(s));
2059 SSL_set_read_ahead(ret,SSL_get_read_ahead(s));
2060 ret->msg_callback = s->msg_callback;
2061 ret->msg_callback_arg = s->msg_callback_arg;
2062 SSL_set_verify(ret,SSL_get_verify_mode(s),
2063 SSL_get_verify_callback(s));
2064 SSL_set_verify_depth(ret,SSL_get_verify_depth(s));
2065 ret->generate_session_id = s->generate_session_id;
2067 SSL_set_info_callback(ret,SSL_get_info_callback(s));
2069 ret->debug=s->debug;
2071 /* copy app data, a little dangerous perhaps */
2072 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data))
2075 /* setup rbio, and wbio */
2076 if (s->rbio != NULL)
2078 if (!BIO_dup_state(s->rbio,(char *)&ret->rbio))
2081 if (s->wbio != NULL)
2083 if (s->wbio != s->rbio)
2085 if (!BIO_dup_state(s->wbio,(char *)&ret->wbio))
2089 ret->wbio=ret->rbio;
2091 ret->rwstate = s->rwstate;
2092 ret->in_handshake = s->in_handshake;
2093 ret->handshake_func = s->handshake_func;
2094 ret->server = s->server;
2095 ret->new_session = s->new_session;
2096 ret->quiet_shutdown = s->quiet_shutdown;
2097 ret->shutdown=s->shutdown;
2098 ret->state=s->state; /* SSL_dup does not really work at any state, though */
2099 ret->rstate=s->rstate;
2100 ret->init_num = 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */
2102 ret->purpose=s->purpose;
2103 ret->trust=s->trust;
2105 /* dup the cipher_list and cipher_list_by_id stacks */
2106 if (s->cipher_list != NULL)
2108 if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)
2111 if (s->cipher_list_by_id != NULL)
2112 if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id))
2116 /* Dup the client_CA list */
2117 if (s->client_CA != NULL)
2119 if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err;
2121 for (i=0; i<sk_X509_NAME_num(sk); i++)
2123 xn=sk_X509_NAME_value(sk,i);
2124 if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL)
2135 if (ret != NULL) SSL_free(ret);
2141 void ssl_clear_cipher_ctx(SSL *s)
2143 if (s->enc_read_ctx != NULL)
2145 EVP_CIPHER_CTX_cleanup(s->enc_read_ctx);
2146 OPENSSL_free(s->enc_read_ctx);
2147 s->enc_read_ctx=NULL;
2149 if (s->enc_write_ctx != NULL)
2151 EVP_CIPHER_CTX_cleanup(s->enc_write_ctx);
2152 OPENSSL_free(s->enc_write_ctx);
2153 s->enc_write_ctx=NULL;
2155 if (s->expand != NULL)
2157 COMP_CTX_free(s->expand);
2160 if (s->compress != NULL)
2162 COMP_CTX_free(s->compress);
2167 /* Fix this function so that it takes an optional type parameter */
2168 X509 *SSL_get_certificate(SSL *s)
2170 if (s->cert != NULL)
2171 return(s->cert->key->x509);
2176 /* Fix this function so that it takes an optional type parameter */
2177 EVP_PKEY *SSL_get_privatekey(SSL *s)
2179 if (s->cert != NULL)
2180 return(s->cert->key->privatekey);
2185 SSL_CIPHER *SSL_get_current_cipher(SSL *s)
2187 if ((s->session != NULL) && (s->session->cipher != NULL))
2188 return(s->session->cipher);
2192 int ssl_init_wbio_buffer(SSL *s,int push)
2196 if (s->bbio == NULL)
2198 bbio=BIO_new(BIO_f_buffer());
2199 if (bbio == NULL) return(0);
2205 if (s->bbio == s->wbio)
2206 s->wbio=BIO_pop(s->wbio);
2208 (void)BIO_reset(bbio);
2209 /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
2210 if (!BIO_set_read_buffer_size(bbio,1))
2212 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB);
2217 if (s->wbio != bbio)
2218 s->wbio=BIO_push(bbio,s->wbio);
2222 if (s->wbio == bbio)
2223 s->wbio=BIO_pop(bbio);
2228 void ssl_free_wbio_buffer(SSL *s)
2230 if (s->bbio == NULL) return;
2232 if (s->bbio == s->wbio)
2234 /* remove buffering */
2235 s->wbio=BIO_pop(s->wbio);
2236 #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */
2237 assert(s->wbio != NULL);
2244 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode)
2246 ctx->quiet_shutdown=mode;
2249 int SSL_CTX_get_quiet_shutdown(SSL_CTX *ctx)
2251 return(ctx->quiet_shutdown);
2254 void SSL_set_quiet_shutdown(SSL *s,int mode)
2256 s->quiet_shutdown=mode;
2259 int SSL_get_quiet_shutdown(SSL *s)
2261 return(s->quiet_shutdown);
2264 void SSL_set_shutdown(SSL *s,int mode)
2269 int SSL_get_shutdown(SSL *s)
2271 return(s->shutdown);
2274 int SSL_version(SSL *s)
2279 SSL_CTX *SSL_get_SSL_CTX(SSL *ssl)
2284 #ifndef OPENSSL_NO_STDIO
2285 int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
2287 return(X509_STORE_set_default_paths(ctx->cert_store));
2290 int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
2293 return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath));
2297 void SSL_set_info_callback(SSL *ssl,
2298 void (*cb)(const SSL *ssl,int type,int val))
2300 ssl->info_callback=cb;
2303 void (*SSL_get_info_callback(SSL *ssl))(const SSL *ssl,int type,int val)
2305 return ssl->info_callback;
2308 int SSL_state(SSL *ssl)
2313 void SSL_set_verify_result(SSL *ssl,long arg)
2315 ssl->verify_result=arg;
2318 long SSL_get_verify_result(SSL *ssl)
2320 return(ssl->verify_result);
2323 int SSL_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
2324 CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
2326 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, argl, argp,
2327 new_func, dup_func, free_func);
2330 int SSL_set_ex_data(SSL *s,int idx,void *arg)
2332 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
2335 void *SSL_get_ex_data(SSL *s,int idx)
2337 return(CRYPTO_get_ex_data(&s->ex_data,idx));
2340 int SSL_CTX_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
2341 CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
2343 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, argl, argp,
2344 new_func, dup_func, free_func);
2347 int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg)
2349 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
2352 void *SSL_CTX_get_ex_data(SSL_CTX *s,int idx)
2354 return(CRYPTO_get_ex_data(&s->ex_data,idx));
2362 X509_STORE *SSL_CTX_get_cert_store(SSL_CTX *ctx)
2364 return(ctx->cert_store);
2367 void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store)
2369 if (ctx->cert_store != NULL)
2370 X509_STORE_free(ctx->cert_store);
2371 ctx->cert_store=store;
2374 int SSL_want(SSL *s)
2380 * \brief Set the callback for generating temporary RSA keys.
2381 * \param ctx the SSL context.
2382 * \param cb the callback
2385 #ifndef OPENSSL_NO_RSA
2386 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl,
2390 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)())cb);
2393 void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,
2397 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)())cb);
2403 * \brief The RSA temporary key callback function.
2404 * \param ssl the SSL session.
2405 * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
2406 * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
2407 * of the required key in bits.
2408 * \return the temporary RSA key.
2409 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
2412 RSA *cb(SSL *ssl,int is_export,int keylength)
2417 * \brief Set the callback for generating temporary DH keys.
2418 * \param ctx the SSL context.
2419 * \param dh the callback
2422 #ifndef OPENSSL_NO_DH
2423 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export,
2426 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)())dh);
2429 void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export,
2432 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)())dh);
2436 #ifndef OPENSSL_NO_ECDH
2437 void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
2440 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)())ecdh);
2443 void SSL_set_tmp_ecdh_callback(SSL *ssl,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
2446 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)())ecdh);
2451 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))
2453 SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)())cb);
2455 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))
2457 SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)())cb);
2462 #if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16)
2463 #include "../crypto/bio/bss_file.c"
2466 IMPLEMENT_STACK_OF(SSL_CIPHER)
2467 IMPLEMENT_STACK_OF(SSL_COMP)