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) 1998-2006 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 #ifndef OPENSSL_NO_DH
129 #include <openssl/dh.h>
132 const char *SSL_version_str=OPENSSL_VERSION_TEXT;
134 SSL3_ENC_METHOD ssl3_undef_enc_method={
135 /* evil casts, but these functions are only called if there's a library bug */
136 (int (*)(SSL *,int))ssl_undefined_function,
137 (int (*)(SSL *, unsigned char *, int))ssl_undefined_function,
138 ssl_undefined_function,
139 (int (*)(SSL *, unsigned char *, unsigned char *, int))ssl_undefined_function,
140 (int (*)(SSL*, int))ssl_undefined_function,
141 (int (*)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char*, int, unsigned char *))ssl_undefined_function,
142 0, /* finish_mac_length */
143 (int (*)(SSL *, EVP_MD_CTX *, unsigned char *))ssl_undefined_function,
144 NULL, /* client_finished_label */
145 0, /* client_finished_label_len */
146 NULL, /* server_finished_label */
147 0, /* server_finished_label_len */
148 (int (*)(int))ssl_undefined_function
151 int SSL_clear(SSL *s)
154 if (s->method == NULL)
156 SSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED);
160 if (ssl_clear_bad_session(s))
162 SSL_SESSION_free(s->session);
170 #if 0 /* Disabled since version 1.10 of this file (early return not
171 * needed because SSL_clear is not called when doing renegotiation) */
172 /* This is set if we are doing dynamic renegotiation so keep
173 * the old cipher. It is sort of a SSL_clear_lite :-) */
174 if (s->new_session) return(1);
178 SSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR);
185 s->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);
187 s->version=s->method->version;
188 s->client_version=s->version;
189 s->rwstate=SSL_NOTHING;
190 s->rstate=SSL_ST_READ_HEADER;
192 s->read_ahead=s->ctx->read_ahead;
195 if (s->init_buf != NULL)
197 BUF_MEM_free(s->init_buf);
201 ssl_clear_cipher_ctx(s);
206 /* Check to see if we were changed into a different method, if
207 * so, revert back if we are not doing session-id reuse. */
208 if (!s->in_handshake && (s->session == NULL) && (s->method != s->ctx->method))
210 s->method->ssl_free(s);
211 s->method=s->ctx->method;
212 if (!s->method->ssl_new(s))
217 s->method->ssl_clear(s);
221 /** Used to change an SSL_CTXs default SSL method type */
222 int SSL_CTX_set_ssl_version(SSL_CTX *ctx,const SSL_METHOD *meth)
224 STACK_OF(SSL_CIPHER) *sk;
228 sk=ssl_create_cipher_list(ctx->method,&(ctx->cipher_list),
229 &(ctx->cipher_list_by_id),SSL_DEFAULT_CIPHER_LIST);
230 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0))
232 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
238 SSL *SSL_new(SSL_CTX *ctx)
244 SSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX);
247 if (ctx->method == NULL)
249 SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);
253 s=(SSL *)OPENSSL_malloc(sizeof(SSL));
254 if (s == NULL) goto err;
255 memset(s,0,sizeof(SSL));
257 #ifndef OPENSSL_NO_KRB5
258 s->kssl_ctx = kssl_ctx_new();
259 #endif /* OPENSSL_NO_KRB5 */
261 s->options=ctx->options;
263 s->max_cert_list=ctx->max_cert_list;
265 if (ctx->cert != NULL)
267 /* Earlier library versions used to copy the pointer to
268 * the CERT, not its contents; only when setting new
269 * parameters for the per-SSL copy, ssl_cert_new would be
270 * called (and the direct reference to the per-SSL_CTX
271 * settings would be lost, but those still were indirectly
272 * accessed for various purposes, and for that reason they
273 * used to be known as s->ctx->default_cert).
274 * Now we don't look at the SSL_CTX's CERT after having
275 * duplicated it once. */
277 s->cert = ssl_cert_dup(ctx->cert);
282 s->cert=NULL; /* Cannot really happen (see SSL_CTX_new) */
284 s->read_ahead=ctx->read_ahead;
285 s->msg_callback=ctx->msg_callback;
286 s->msg_callback_arg=ctx->msg_callback_arg;
287 s->verify_mode=ctx->verify_mode;
289 s->verify_depth=ctx->verify_depth;
291 s->sid_ctx_length=ctx->sid_ctx_length;
292 OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx);
293 memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));
294 s->verify_callback=ctx->default_verify_callback;
295 s->generate_session_id=ctx->generate_session_id;
297 s->param = X509_VERIFY_PARAM_new();
300 X509_VERIFY_PARAM_inherit(s->param, ctx->param);
302 s->purpose = ctx->purpose;
303 s->trust = ctx->trust;
305 s->quiet_shutdown=ctx->quiet_shutdown;
306 s->max_send_fragment = ctx->max_send_fragment;
308 CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
311 s->verify_result=X509_V_OK;
313 s->method=ctx->method;
315 if (!s->method->ssl_new(s))
319 s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;
323 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
330 ssl_cert_free(s->cert);
332 SSL_CTX_free(s->ctx); /* decrement reference count */
335 SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);
339 int SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx,
340 unsigned int sid_ctx_len)
342 if(sid_ctx_len > sizeof ctx->sid_ctx)
344 SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
347 ctx->sid_ctx_length=sid_ctx_len;
348 memcpy(ctx->sid_ctx,sid_ctx,sid_ctx_len);
353 int SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx,
354 unsigned int sid_ctx_len)
356 if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
358 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
361 ssl->sid_ctx_length=sid_ctx_len;
362 memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len);
367 int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb)
369 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
370 ctx->generate_session_id = cb;
371 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
375 int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb)
377 CRYPTO_w_lock(CRYPTO_LOCK_SSL);
378 ssl->generate_session_id = cb;
379 CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
383 int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
386 /* A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
387 * we can "construct" a session to give us the desired check - ie. to
388 * find if there's a session in the hash table that would conflict with
389 * any new session built out of this id/id_len and the ssl_version in
390 * use by this SSL. */
393 if(id_len > sizeof r.session_id)
396 r.ssl_version = ssl->version;
397 r.session_id_length = id_len;
398 memcpy(r.session_id, id, id_len);
399 /* NB: SSLv2 always uses a fixed 16-byte session ID, so even if a
400 * callback is calling us to check the uniqueness of a shorter ID, it
401 * must be compared as a padded-out ID because that is what it will be
402 * converted to when the callback has finished choosing it. */
403 if((r.ssl_version == SSL2_VERSION) &&
404 (id_len < SSL2_SSL_SESSION_ID_LENGTH))
406 memset(r.session_id + id_len, 0,
407 SSL2_SSL_SESSION_ID_LENGTH - id_len);
408 r.session_id_length = SSL2_SSL_SESSION_ID_LENGTH;
411 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
412 p = (SSL_SESSION *)lh_retrieve(ssl->ctx->sessions, &r);
413 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
417 int SSL_CTX_set_purpose(SSL_CTX *s, int purpose)
419 return X509_VERIFY_PARAM_set_purpose(s->param, purpose);
422 int SSL_set_purpose(SSL *s, int purpose)
424 return X509_VERIFY_PARAM_set_purpose(s->param, purpose);
427 int SSL_CTX_set_trust(SSL_CTX *s, int trust)
429 return X509_VERIFY_PARAM_set_trust(s->param, trust);
432 int SSL_set_trust(SSL *s, int trust)
434 return X509_VERIFY_PARAM_set_trust(s->param, trust);
437 void SSL_free(SSL *s)
444 i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL);
452 fprintf(stderr,"SSL_free, bad reference count\n");
458 X509_VERIFY_PARAM_free(s->param);
460 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
464 /* If the buffering BIO is in place, pop it off */
465 if (s->bbio == s->wbio)
467 s->wbio=BIO_pop(s->wbio);
473 BIO_free_all(s->rbio);
474 if ((s->wbio != NULL) && (s->wbio != s->rbio))
475 BIO_free_all(s->wbio);
477 if (s->init_buf != NULL) BUF_MEM_free(s->init_buf);
479 /* add extra stuff */
480 if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list);
481 if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id);
483 /* Make the next call work :-) */
484 if (s->session != NULL)
486 ssl_clear_bad_session(s);
487 SSL_SESSION_free(s->session);
490 ssl_clear_cipher_ctx(s);
492 if (s->cert != NULL) ssl_cert_free(s->cert);
493 /* Free up if allocated */
495 if (s->ctx) SSL_CTX_free(s->ctx);
497 if (s->client_CA != NULL)
498 sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free);
500 if (s->method != NULL) s->method->ssl_free(s);
502 #ifndef OPENSSL_NO_KRB5
503 if (s->kssl_ctx != NULL)
504 kssl_ctx_free(s->kssl_ctx);
505 #endif /* OPENSSL_NO_KRB5 */
510 void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio)
512 /* If the output buffering BIO is still in place, remove it
516 if (s->wbio == s->bbio)
518 s->wbio=s->wbio->next_bio;
519 s->bbio->next_bio=NULL;
522 if ((s->rbio != NULL) && (s->rbio != rbio))
523 BIO_free_all(s->rbio);
524 if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio))
525 BIO_free_all(s->wbio);
530 BIO *SSL_get_rbio(const SSL *s)
533 BIO *SSL_get_wbio(const SSL *s)
536 int SSL_get_fd(const SSL *s)
538 return(SSL_get_rfd(s));
541 int SSL_get_rfd(const SSL *s)
547 r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
553 int SSL_get_wfd(const SSL *s)
559 r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
565 #ifndef OPENSSL_NO_SOCK
566 int SSL_set_fd(SSL *s,int fd)
571 bio=BIO_new(BIO_s_socket());
575 SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB);
578 BIO_set_fd(bio,fd,BIO_NOCLOSE);
579 SSL_set_bio(s,bio,bio);
585 int SSL_set_wfd(SSL *s,int fd)
590 if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET)
591 || ((int)BIO_get_fd(s->rbio,NULL) != fd))
593 bio=BIO_new(BIO_s_socket());
596 { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; }
597 BIO_set_fd(bio,fd,BIO_NOCLOSE);
598 SSL_set_bio(s,SSL_get_rbio(s),bio);
601 SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s));
607 int SSL_set_rfd(SSL *s,int fd)
612 if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET)
613 || ((int)BIO_get_fd(s->wbio,NULL) != fd))
615 bio=BIO_new(BIO_s_socket());
619 SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB);
622 BIO_set_fd(bio,fd,BIO_NOCLOSE);
623 SSL_set_bio(s,bio,SSL_get_wbio(s));
626 SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s));
634 /* return length of latest Finished message we sent, copy to 'buf' */
635 size_t SSL_get_finished(const SSL *s, void *buf, size_t count)
641 ret = s->s3->tmp.finish_md_len;
644 memcpy(buf, s->s3->tmp.finish_md, count);
649 /* return length of latest Finished message we expected, copy to 'buf' */
650 size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count)
656 ret = s->s3->tmp.peer_finish_md_len;
659 memcpy(buf, s->s3->tmp.peer_finish_md, count);
665 int SSL_get_verify_mode(const SSL *s)
667 return(s->verify_mode);
670 int SSL_get_verify_depth(const SSL *s)
672 return X509_VERIFY_PARAM_get_depth(s->param);
675 int (*SSL_get_verify_callback(const SSL *s))(int,X509_STORE_CTX *)
677 return(s->verify_callback);
680 int SSL_CTX_get_verify_mode(const SSL_CTX *ctx)
682 return(ctx->verify_mode);
685 int SSL_CTX_get_verify_depth(const SSL_CTX *ctx)
687 return X509_VERIFY_PARAM_get_depth(ctx->param);
690 int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int,X509_STORE_CTX *)
692 return(ctx->default_verify_callback);
695 void SSL_set_verify(SSL *s,int mode,
696 int (*callback)(int ok,X509_STORE_CTX *ctx))
699 if (callback != NULL)
700 s->verify_callback=callback;
703 void SSL_set_verify_depth(SSL *s,int depth)
705 X509_VERIFY_PARAM_set_depth(s->param, depth);
708 void SSL_set_read_ahead(SSL *s,int yes)
713 int SSL_get_read_ahead(const SSL *s)
715 return(s->read_ahead);
718 int SSL_pending(const SSL *s)
720 /* SSL_pending cannot work properly if read-ahead is enabled
721 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)),
722 * and it is impossible to fix since SSL_pending cannot report
723 * errors that may be observed while scanning the new data.
724 * (Note that SSL_pending() is often used as a boolean value,
725 * so we'd better not return -1.)
727 return(s->method->ssl_pending(s));
730 X509 *SSL_get_peer_certificate(const SSL *s)
734 if ((s == NULL) || (s->session == NULL))
739 if (r == NULL) return(r);
741 CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509);
746 STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s)
750 if ((s == NULL) || (s->session == NULL) || (s->session->sess_cert == NULL))
753 r=s->session->sess_cert->cert_chain;
755 /* If we are a client, cert_chain includes the peer's own
756 * certificate; if we are a server, it does not. */
761 /* Now in theory, since the calling process own 't' it should be safe to
762 * modify. We need to be able to read f without being hassled */
763 void SSL_copy_session_id(SSL *t,const SSL *f)
767 /* Do we need to to SSL locking? */
768 SSL_set_session(t,SSL_get_session(f));
770 /* what if we are setup as SSLv2 but want to talk SSLv3 or
772 if (t->method != f->method)
774 t->method->ssl_free(t); /* cleanup current */
775 t->method=f->method; /* change method */
776 t->method->ssl_new(t); /* setup new */
782 CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT);
787 if (tmp != NULL) ssl_cert_free(tmp);
788 SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length);
791 /* Fix this so it checks all the valid key/cert options */
792 int SSL_CTX_check_private_key(const SSL_CTX *ctx)
794 if ( (ctx == NULL) ||
795 (ctx->cert == NULL) ||
796 (ctx->cert->key->x509 == NULL))
798 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
801 if (ctx->cert->key->privatekey == NULL)
803 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
806 return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey));
809 /* Fix this function so that it takes an optional type parameter */
810 int SSL_check_private_key(const SSL *ssl)
814 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER);
817 if (ssl->cert == NULL)
819 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
822 if (ssl->cert->key->x509 == NULL)
824 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
827 if (ssl->cert->key->privatekey == NULL)
829 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
832 return(X509_check_private_key(ssl->cert->key->x509,
833 ssl->cert->key->privatekey));
836 int SSL_accept(SSL *s)
838 if (s->handshake_func == 0)
839 /* Not properly initialized yet */
840 SSL_set_accept_state(s);
842 return(s->method->ssl_accept(s));
845 int SSL_connect(SSL *s)
847 if (s->handshake_func == 0)
848 /* Not properly initialized yet */
849 SSL_set_connect_state(s);
851 return(s->method->ssl_connect(s));
854 long SSL_get_default_timeout(const SSL *s)
856 return(s->method->get_timeout());
859 int SSL_read(SSL *s,void *buf,int num)
861 if (s->handshake_func == 0)
863 SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
867 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
869 s->rwstate=SSL_NOTHING;
872 return(s->method->ssl_read(s,buf,num));
875 int SSL_peek(SSL *s,void *buf,int num)
877 if (s->handshake_func == 0)
879 SSLerr(SSL_F_SSL_PEEK, SSL_R_UNINITIALIZED);
883 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
887 return(s->method->ssl_peek(s,buf,num));
890 int SSL_write(SSL *s,const void *buf,int num)
892 if (s->handshake_func == 0)
894 SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED);
898 if (s->shutdown & SSL_SENT_SHUTDOWN)
900 s->rwstate=SSL_NOTHING;
901 SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN);
904 return(s->method->ssl_write(s,buf,num));
907 int SSL_shutdown(SSL *s)
909 /* Note that this function behaves differently from what one might
910 * expect. Return values are 0 for no success (yet),
911 * 1 for success; but calling it once is usually not enough,
912 * even if blocking I/O is used (see ssl3_shutdown).
915 if (s->handshake_func == 0)
917 SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED);
921 if ((s != NULL) && !SSL_in_init(s))
922 return(s->method->ssl_shutdown(s));
927 int SSL_renegotiate(SSL *s)
929 if (s->new_session == 0)
933 return(s->method->ssl_renegotiate(s));
936 int SSL_renegotiate_pending(SSL *s)
938 /* becomes true when negotiation is requested;
939 * false again once a handshake has finished */
940 return (s->new_session != 0);
943 long SSL_ctrl(SSL *s,int cmd,long larg,void *parg)
949 case SSL_CTRL_GET_READ_AHEAD:
950 return(s->read_ahead);
951 case SSL_CTRL_SET_READ_AHEAD:
956 case SSL_CTRL_SET_MSG_CALLBACK_ARG:
957 s->msg_callback_arg = parg;
960 case SSL_CTRL_OPTIONS:
961 return(s->options|=larg);
963 return(s->mode|=larg);
964 case SSL_CTRL_GET_MAX_CERT_LIST:
965 return(s->max_cert_list);
966 case SSL_CTRL_SET_MAX_CERT_LIST:
968 s->max_cert_list=larg;
970 case SSL_CTRL_SET_MTU:
971 if (SSL_version(s) == DTLS1_VERSION)
977 case SSL_CTRL_SET_MAX_SEND_FRAGMENT:
978 if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH)
980 s->max_send_fragment = larg;
983 return(s->method->ssl_ctrl(s,cmd,larg,parg));
987 long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)(void))
991 case SSL_CTRL_SET_MSG_CALLBACK:
992 s->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp);
996 return(s->method->ssl_callback_ctrl(s,cmd,fp));
1000 struct lhash_st *SSL_CTX_sessions(SSL_CTX *ctx)
1002 return ctx->sessions;
1005 long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,void *parg)
1011 case SSL_CTRL_GET_READ_AHEAD:
1012 return(ctx->read_ahead);
1013 case SSL_CTRL_SET_READ_AHEAD:
1015 ctx->read_ahead=larg;
1018 case SSL_CTRL_SET_MSG_CALLBACK_ARG:
1019 ctx->msg_callback_arg = parg;
1022 case SSL_CTRL_GET_MAX_CERT_LIST:
1023 return(ctx->max_cert_list);
1024 case SSL_CTRL_SET_MAX_CERT_LIST:
1025 l=ctx->max_cert_list;
1026 ctx->max_cert_list=larg;
1029 case SSL_CTRL_SET_SESS_CACHE_SIZE:
1030 l=ctx->session_cache_size;
1031 ctx->session_cache_size=larg;
1033 case SSL_CTRL_GET_SESS_CACHE_SIZE:
1034 return(ctx->session_cache_size);
1035 case SSL_CTRL_SET_SESS_CACHE_MODE:
1036 l=ctx->session_cache_mode;
1037 ctx->session_cache_mode=larg;
1039 case SSL_CTRL_GET_SESS_CACHE_MODE:
1040 return(ctx->session_cache_mode);
1042 case SSL_CTRL_SESS_NUMBER:
1043 return(ctx->sessions->num_items);
1044 case SSL_CTRL_SESS_CONNECT:
1045 return(ctx->stats.sess_connect);
1046 case SSL_CTRL_SESS_CONNECT_GOOD:
1047 return(ctx->stats.sess_connect_good);
1048 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE:
1049 return(ctx->stats.sess_connect_renegotiate);
1050 case SSL_CTRL_SESS_ACCEPT:
1051 return(ctx->stats.sess_accept);
1052 case SSL_CTRL_SESS_ACCEPT_GOOD:
1053 return(ctx->stats.sess_accept_good);
1054 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE:
1055 return(ctx->stats.sess_accept_renegotiate);
1056 case SSL_CTRL_SESS_HIT:
1057 return(ctx->stats.sess_hit);
1058 case SSL_CTRL_SESS_CB_HIT:
1059 return(ctx->stats.sess_cb_hit);
1060 case SSL_CTRL_SESS_MISSES:
1061 return(ctx->stats.sess_miss);
1062 case SSL_CTRL_SESS_TIMEOUTS:
1063 return(ctx->stats.sess_timeout);
1064 case SSL_CTRL_SESS_CACHE_FULL:
1065 return(ctx->stats.sess_cache_full);
1066 case SSL_CTRL_OPTIONS:
1067 return(ctx->options|=larg);
1069 return(ctx->mode|=larg);
1070 case SSL_CTRL_SET_MAX_SEND_FRAGMENT:
1071 if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH)
1073 ctx->max_send_fragment = larg;
1076 return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg));
1080 long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void))
1084 case SSL_CTRL_SET_MSG_CALLBACK:
1085 ctx->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp);
1089 return(ctx->method->ssl_ctx_callback_ctrl(ctx,cmd,fp));
1093 int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b)
1101 return((l > 0)?1:-1);
1104 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
1105 const SSL_CIPHER * const *bp)
1109 l=(*ap)->id-(*bp)->id;
1113 return((l > 0)?1:-1);
1116 /** return a STACK of the ciphers available for the SSL and in order of
1118 STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s)
1122 if (s->cipher_list != NULL)
1124 return(s->cipher_list);
1126 else if ((s->ctx != NULL) &&
1127 (s->ctx->cipher_list != NULL))
1129 return(s->ctx->cipher_list);
1135 /** return a STACK of the ciphers available for the SSL and in order of
1137 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s)
1141 if (s->cipher_list_by_id != NULL)
1143 return(s->cipher_list_by_id);
1145 else if ((s->ctx != NULL) &&
1146 (s->ctx->cipher_list_by_id != NULL))
1148 return(s->ctx->cipher_list_by_id);
1154 /** The old interface to get the same thing as SSL_get_ciphers() */
1155 const char *SSL_get_cipher_list(const SSL *s,int n)
1158 STACK_OF(SSL_CIPHER) *sk;
1160 if (s == NULL) return(NULL);
1161 sk=SSL_get_ciphers(s);
1162 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n))
1164 c=sk_SSL_CIPHER_value(sk,n);
1165 if (c == NULL) return(NULL);
1169 /** specify the ciphers to be used by default by the SSL_CTX */
1170 int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)
1172 STACK_OF(SSL_CIPHER) *sk;
1174 sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list,
1175 &ctx->cipher_list_by_id,str);
1176 /* ssl_create_cipher_list may return an empty stack if it
1177 * was unable to find a cipher matching the given rule string
1178 * (for example if the rule string specifies a cipher which
1179 * has been disabled). This is not an error as far as
1180 * ssl_create_cipher_list is concerned, and hence
1181 * ctx->cipher_list and ctx->cipher_list_by_id has been
1185 else if (sk_SSL_CIPHER_num(sk) == 0)
1187 SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
1193 /** specify the ciphers to be used by the SSL */
1194 int SSL_set_cipher_list(SSL *s,const char *str)
1196 STACK_OF(SSL_CIPHER) *sk;
1198 sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list,
1199 &s->cipher_list_by_id,str);
1200 /* see comment in SSL_CTX_set_cipher_list */
1203 else if (sk_SSL_CIPHER_num(sk) == 0)
1205 SSLerr(SSL_F_SSL_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
1211 /* works well for SSLv2, not so good for SSLv3 */
1212 char *SSL_get_shared_ciphers(const SSL *s,char *buf,int len)
1216 STACK_OF(SSL_CIPHER) *sk;
1220 if ((s->session == NULL) || (s->session->ciphers == NULL) ||
1225 sk=s->session->ciphers;
1226 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
1228 /* Decrement for either the ':' or a '\0' */
1230 c=sk_SSL_CIPHER_value(sk,i);
1231 for (cp=c->name; *cp; )
1247 int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
1248 int (*put_cb)(const SSL_CIPHER *, unsigned char *))
1253 #ifndef OPENSSL_NO_KRB5
1254 int nokrb5 = !kssl_tgt_is_available(s->kssl_ctx);
1255 #endif /* OPENSSL_NO_KRB5 */
1257 if (sk == NULL) return(0);
1260 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
1262 c=sk_SSL_CIPHER_value(sk,i);
1263 #ifndef OPENSSL_NO_KRB5
1264 if ((c->algorithms & SSL_KRB5) && nokrb5)
1266 #endif /* OPENSSL_NO_KRB5 */
1268 j = put_cb ? put_cb(c,p) : ssl_put_cipher_by_char(s,c,p);
1274 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
1275 STACK_OF(SSL_CIPHER) **skp)
1278 STACK_OF(SSL_CIPHER) *sk;
1281 n=ssl_put_cipher_by_char(s,NULL,NULL);
1284 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
1287 if ((skp == NULL) || (*skp == NULL))
1288 sk=sk_SSL_CIPHER_new_null(); /* change perhaps later */
1292 sk_SSL_CIPHER_zero(sk);
1295 for (i=0; i<num; i+=n)
1297 c=ssl_get_cipher_by_char(s,p);
1301 if (!sk_SSL_CIPHER_push(sk,c))
1303 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
1313 if ((skp == NULL) || (*skp == NULL))
1314 sk_SSL_CIPHER_free(sk);
1319 #ifndef OPENSSL_TLSEXT
1320 /** return a servername extension value if provided in Client Hello, or NULL.
1321 * So far, only host_name types are defined (RFC 3546).
1324 const char *SSL_get_servername(const SSL *s, const int type)
1326 if (type != TLSEXT_NAMETYPE_host_name)
1328 /* XXX cf. SSL_CTRL_GET_TLSEXT_HOSTNAME case in ssl3_ctrl (s3_lib.c) */
1329 return s->session /*&&s->session->tlsext_hostname*/ ?
1330 s->session->tlsext_hostname :
1334 int SSL_get_servername_type(const SSL *s)
1336 if (s->session &&s->session->tlsext_hostname ? s->session->tlsext_hostname : s->tlsext_hostname)
1337 return TLSEXT_NAMETYPE_host_name;
1342 unsigned long SSL_SESSION_hash(const SSL_SESSION *a)
1347 ((unsigned int) a->session_id[0] )|
1348 ((unsigned int) a->session_id[1]<< 8L)|
1349 ((unsigned long)a->session_id[2]<<16L)|
1350 ((unsigned long)a->session_id[3]<<24L);
1354 /* NB: If this function (or indeed the hash function which uses a sort of
1355 * coarser function than this one) is changed, ensure
1356 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being
1357 * able to construct an SSL_SESSION that will collide with any existing session
1358 * with a matching session ID. */
1359 int SSL_SESSION_cmp(const SSL_SESSION *a,const SSL_SESSION *b)
1361 if (a->ssl_version != b->ssl_version)
1363 if (a->session_id_length != b->session_id_length)
1365 return(memcmp(a->session_id,b->session_id,a->session_id_length));
1368 /* These wrapper functions should remain rather than redeclaring
1369 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
1370 * variable. The reason is that the functions aren't static, they're exposed via
1372 static IMPLEMENT_LHASH_HASH_FN(SSL_SESSION_hash, SSL_SESSION *)
1373 static IMPLEMENT_LHASH_COMP_FN(SSL_SESSION_cmp, SSL_SESSION *)
1375 SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
1381 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);
1385 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
1387 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
1390 ret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX));
1394 memset(ret,0,sizeof(SSL_CTX));
1398 ret->cert_store=NULL;
1399 ret->session_cache_mode=SSL_SESS_CACHE_SERVER;
1400 ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
1401 ret->session_cache_head=NULL;
1402 ret->session_cache_tail=NULL;
1404 /* We take the system default */
1405 ret->session_timeout=meth->get_timeout();
1407 ret->new_session_cb=0;
1408 ret->remove_session_cb=0;
1409 ret->get_session_cb=0;
1410 ret->generate_session_id=0;
1412 memset((char *)&ret->stats,0,sizeof(ret->stats));
1415 ret->quiet_shutdown=0;
1417 /* ret->cipher=NULL;*/
1418 /* ret->s2->challenge=NULL;
1419 ret->master_key=NULL;
1421 ret->s2->conn_id=NULL; */
1423 ret->info_callback=NULL;
1425 ret->app_verify_callback=0;
1426 ret->app_verify_arg=NULL;
1428 ret->max_cert_list=SSL_MAX_CERT_LIST_DEFAULT;
1430 ret->msg_callback=0;
1431 ret->msg_callback_arg=NULL;
1432 ret->verify_mode=SSL_VERIFY_NONE;
1434 ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */
1436 ret->sid_ctx_length=0;
1437 ret->default_verify_callback=NULL;
1438 if ((ret->cert=ssl_cert_new()) == NULL)
1441 ret->default_passwd_callback=0;
1442 ret->default_passwd_callback_userdata=NULL;
1443 ret->client_cert_cb=0;
1444 ret->app_gen_cookie_cb=0;
1445 ret->app_verify_cookie_cb=0;
1447 ret->sessions=lh_new(LHASH_HASH_FN(SSL_SESSION_hash),
1448 LHASH_COMP_FN(SSL_SESSION_cmp));
1449 if (ret->sessions == NULL) goto err;
1450 ret->cert_store=X509_STORE_new();
1451 if (ret->cert_store == NULL) goto err;
1453 ssl_create_cipher_list(ret->method,
1454 &ret->cipher_list,&ret->cipher_list_by_id,
1455 SSL_DEFAULT_CIPHER_LIST);
1456 if (ret->cipher_list == NULL
1457 || sk_SSL_CIPHER_num(ret->cipher_list) <= 0)
1459 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS);
1463 ret->param = X509_VERIFY_PARAM_new();
1467 if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)
1469 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);
1472 if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL)
1474 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);
1477 if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL)
1479 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);
1483 if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL)
1486 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data);
1488 ret->extra_certs=NULL;
1489 ret->comp_methods=SSL_COMP_get_compression_methods();
1491 ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH;
1493 #ifndef OPENSSL_NO_TLSEXT
1494 ret->tlsext_servername_callback = 0;
1495 ret->tlsext_servername_arg = NULL;
1499 SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);
1501 if (ret != NULL) SSL_CTX_free(ret);
1506 static void SSL_COMP_free(SSL_COMP *comp)
1507 { OPENSSL_free(comp); }
1510 void SSL_CTX_free(SSL_CTX *a)
1514 if (a == NULL) return;
1516 i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX);
1518 REF_PRINT("SSL_CTX",a);
1524 fprintf(stderr,"SSL_CTX_free, bad reference count\n");
1530 X509_VERIFY_PARAM_free(a->param);
1533 * Free internal session cache. However: the remove_cb() may reference
1534 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
1535 * after the sessions were flushed.
1536 * As the ex_data handling routines might also touch the session cache,
1537 * the most secure solution seems to be: empty (flush) the cache, then
1538 * free ex_data, then finally free the cache.
1539 * (See ticket [openssl.org #212].)
1541 if (a->sessions != NULL)
1542 SSL_CTX_flush_sessions(a,0);
1544 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);
1546 if (a->sessions != NULL)
1547 lh_free(a->sessions);
1549 if (a->cert_store != NULL)
1550 X509_STORE_free(a->cert_store);
1551 if (a->cipher_list != NULL)
1552 sk_SSL_CIPHER_free(a->cipher_list);
1553 if (a->cipher_list_by_id != NULL)
1554 sk_SSL_CIPHER_free(a->cipher_list_by_id);
1555 if (a->cert != NULL)
1556 ssl_cert_free(a->cert);
1557 if (a->client_CA != NULL)
1558 sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free);
1559 if (a->extra_certs != NULL)
1560 sk_X509_pop_free(a->extra_certs,X509_free);
1561 #if 0 /* This should never be done, since it removes a global database */
1562 if (a->comp_methods != NULL)
1563 sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free);
1565 a->comp_methods = NULL;
1570 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb)
1572 ctx->default_passwd_callback=cb;
1575 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx,void *u)
1577 ctx->default_passwd_callback_userdata=u;
1580 void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *,void *), void *arg)
1582 ctx->app_verify_callback=cb;
1583 ctx->app_verify_arg=arg;
1586 void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *))
1588 ctx->verify_mode=mode;
1589 ctx->default_verify_callback=cb;
1592 void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth)
1594 X509_VERIFY_PARAM_set_depth(ctx->param, depth);
1597 void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher)
1600 int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign;
1601 int rsa_enc_export,dh_rsa_export,dh_dsa_export;
1602 int rsa_tmp_export,dh_tmp_export,kl;
1603 unsigned long mask,emask;
1604 int have_ecc_cert, ecdh_ok, ecdsa_ok, ecc_pkey_size;
1605 #ifndef OPENSSL_NO_ECDH
1609 EVP_PKEY *ecc_pkey = NULL;
1610 int signature_nid = 0;
1612 if (c == NULL) return;
1614 kl=SSL_C_EXPORT_PKEYLENGTH(cipher);
1616 #ifndef OPENSSL_NO_RSA
1617 rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL);
1618 rsa_tmp_export=(c->rsa_tmp_cb != NULL ||
1619 (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl));
1621 rsa_tmp=rsa_tmp_export=0;
1623 #ifndef OPENSSL_NO_DH
1624 dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL);
1625 dh_tmp_export=(c->dh_tmp_cb != NULL ||
1626 (dh_tmp && DH_size(c->dh_tmp)*8 <= kl));
1628 dh_tmp=dh_tmp_export=0;
1631 #ifndef OPENSSL_NO_ECDH
1632 have_ecdh_tmp=(c->ecdh_tmp != NULL || c->ecdh_tmp_cb != NULL);
1634 cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);
1635 rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);
1636 rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1637 cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);
1638 rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1639 cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);
1640 dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1641 cpk= &(c->pkeys[SSL_PKEY_DH_RSA]);
1642 dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
1643 dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1644 cpk= &(c->pkeys[SSL_PKEY_DH_DSA]);
1645 /* FIX THIS EAY EAY EAY */
1646 dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
1647 dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1648 cpk= &(c->pkeys[SSL_PKEY_ECC]);
1649 have_ecc_cert= (cpk->x509 != NULL && cpk->privatekey != NULL);
1654 printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
1655 rsa_tmp,rsa_tmp_export,dh_tmp,
1656 rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);
1659 if (rsa_enc || (rsa_tmp && rsa_sign))
1661 if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc)))
1665 /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
1666 if ( (dh_tmp || dh_rsa || dh_dsa) &&
1667 (rsa_enc || rsa_sign || dsa_sign))
1669 if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) &&
1670 (rsa_enc || rsa_sign || dsa_sign))
1680 if (dh_rsa) mask|=SSL_kDHr;
1681 if (dh_rsa_export) emask|=SSL_kDHr;
1683 if (dh_dsa) mask|=SSL_kDHd;
1684 if (dh_dsa_export) emask|=SSL_kDHd;
1686 if (rsa_enc || rsa_sign)
1701 #ifndef OPENSSL_NO_KRB5
1702 mask|=SSL_kKRB5|SSL_aKRB5;
1703 emask|=SSL_kKRB5|SSL_aKRB5;
1706 /* An ECC certificate may be usable for ECDH and/or
1707 * ECDSA cipher suites depending on the key usage extension.
1711 /* This call populates extension flags (ex_flags) */
1712 x = (c->pkeys[SSL_PKEY_ECC]).x509;
1713 X509_check_purpose(x, -1, 0);
1714 ecdh_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
1715 (x->ex_kusage & X509v3_KU_KEY_AGREEMENT) : 1;
1716 ecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
1717 (x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) : 1;
1718 ecc_pkey = X509_get_pubkey(x);
1719 ecc_pkey_size = (ecc_pkey != NULL) ?
1720 EVP_PKEY_bits(ecc_pkey) : 0;
1721 EVP_PKEY_free(ecc_pkey);
1722 if ((x->sig_alg) && (x->sig_alg->algorithm))
1723 signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
1724 #ifndef OPENSSL_NO_ECDH
1727 if ((signature_nid == NID_md5WithRSAEncryption) ||
1728 (signature_nid == NID_md4WithRSAEncryption) ||
1729 (signature_nid == NID_md2WithRSAEncryption))
1731 mask|=SSL_kECDH|SSL_aRSA;
1732 if (ecc_pkey_size <= 163)
1733 emask|=SSL_kECDH|SSL_aRSA;
1735 if (signature_nid == NID_ecdsa_with_SHA1)
1737 mask|=SSL_kECDH|SSL_aECDSA;
1738 if (ecc_pkey_size <= 163)
1739 emask|=SSL_kECDH|SSL_aECDSA;
1743 #ifndef OPENSSL_NO_ECDSA
1752 #ifndef OPENSSL_NO_ECDH
1760 c->export_mask=emask;
1764 /* This handy macro borrowed from crypto/x509v3/v3_purp.c */
1765 #define ku_reject(x, usage) \
1766 (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
1768 int check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs)
1770 unsigned long alg = cs->algorithms;
1771 EVP_PKEY *pkey = NULL;
1773 int signature_nid = 0;
1775 if (SSL_C_IS_EXPORT(cs))
1777 /* ECDH key length in export ciphers must be <= 163 bits */
1778 pkey = X509_get_pubkey(x);
1779 if (pkey == NULL) return 0;
1780 keysize = EVP_PKEY_bits(pkey);
1781 EVP_PKEY_free(pkey);
1782 if (keysize > 163) return 0;
1785 /* This call populates the ex_flags field correctly */
1786 X509_check_purpose(x, -1, 0);
1787 if ((x->sig_alg) && (x->sig_alg->algorithm))
1788 signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
1789 if (alg & SSL_kECDH)
1791 /* key usage, if present, must allow key agreement */
1792 if (ku_reject(x, X509v3_KU_KEY_AGREEMENT))
1796 if (alg & SSL_aECDSA)
1798 /* signature alg must be ECDSA */
1799 if (signature_nid != NID_ecdsa_with_SHA1)
1806 /* signature alg must be RSA */
1807 if ((signature_nid != NID_md5WithRSAEncryption) &&
1808 (signature_nid != NID_md4WithRSAEncryption) &&
1809 (signature_nid != NID_md2WithRSAEncryption))
1815 else if (alg & SSL_aECDSA)
1817 /* key usage, if present, must allow signing */
1818 if (ku_reject(x, X509v3_KU_DIGITAL_SIGNATURE))
1824 return 1; /* all checks are ok */
1827 /* THIS NEEDS CLEANING UP */
1828 X509 *ssl_get_server_send_cert(SSL *s)
1830 unsigned long alg,mask,kalg;
1835 ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
1836 alg=s->s3->tmp.new_cipher->algorithms;
1837 is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
1838 mask=is_export?c->export_mask:c->mask;
1839 kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1841 if (kalg & SSL_kECDH)
1843 /* we don't need to look at SSL_kECDHE
1844 * since no certificate is needed for
1845 * anon ECDH and for authenticated
1846 * ECDHE, the check for the auth
1847 * algorithm will set i correctly
1848 * NOTE: For ECDH-RSA, we need an ECC
1849 * not an RSA cert but for ECDHE-RSA
1850 * we need an RSA cert. Placing the
1851 * checks for SSL_kECDH before RSA
1852 * checks ensures the correct cert is chosen.
1856 else if (kalg & SSL_aECDSA)
1860 else if (kalg & SSL_kDHr)
1862 else if (kalg & SSL_kDHd)
1864 else if (kalg & SSL_aDSS)
1865 i=SSL_PKEY_DSA_SIGN;
1866 else if (kalg & SSL_aRSA)
1868 if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)
1869 i=SSL_PKEY_RSA_SIGN;
1873 else if (kalg & SSL_aKRB5)
1875 /* VRS something else here? */
1878 else /* if (kalg & SSL_aNULL) */
1880 SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,ERR_R_INTERNAL_ERROR);
1883 if (c->pkeys[i].x509 == NULL) return(NULL);
1885 return(c->pkeys[i].x509);
1888 EVP_PKEY *ssl_get_sign_pkey(SSL *s,SSL_CIPHER *cipher)
1893 alg=cipher->algorithms;
1896 if ((alg & SSL_aDSS) &&
1897 (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
1898 return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey);
1899 else if (alg & SSL_aRSA)
1901 if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
1902 return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey);
1903 else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
1904 return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey);
1908 else if ((alg & SSL_aECDSA) &&
1909 (c->pkeys[SSL_PKEY_ECC].privatekey != NULL))
1910 return(c->pkeys[SSL_PKEY_ECC].privatekey);
1911 else /* if (alg & SSL_aNULL) */
1913 SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR);
1918 void ssl_update_cache(SSL *s,int mode)
1922 /* If the session_id_length is 0, we are not supposed to cache it,
1923 * and it would be rather hard to do anyway :-) */
1924 if (s->session->session_id_length == 0) return;
1926 i=s->ctx->session_cache_mode;
1927 if ((i & mode) && (!s->hit)
1928 && ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE)
1929 || SSL_CTX_add_session(s->ctx,s->session))
1930 && (s->ctx->new_session_cb != NULL))
1932 CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION);
1933 if (!s->ctx->new_session_cb(s,s->session))
1934 SSL_SESSION_free(s->session);
1937 /* auto flush every 255 connections */
1938 if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) &&
1939 ((i & mode) == mode))
1941 if ( (((mode & SSL_SESS_CACHE_CLIENT)
1942 ?s->ctx->stats.sess_connect_good
1943 :s->ctx->stats.sess_accept_good) & 0xff) == 0xff)
1945 SSL_CTX_flush_sessions(s->ctx,(unsigned long)time(NULL));
1950 const SSL_METHOD *SSL_get_ssl_method(SSL *s)
1955 int SSL_set_ssl_method(SSL *s, const SSL_METHOD *meth)
1960 if (s->method != meth)
1962 if (s->handshake_func != NULL)
1963 conn=(s->handshake_func == s->method->ssl_connect);
1965 if (s->method->version == meth->version)
1969 s->method->ssl_free(s);
1971 ret=s->method->ssl_new(s);
1975 s->handshake_func=meth->ssl_connect;
1977 s->handshake_func=meth->ssl_accept;
1982 int SSL_get_error(const SSL *s,int i)
1988 if (i > 0) return(SSL_ERROR_NONE);
1990 /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
1991 * etc, where we do encode the error */
1992 if ((l=ERR_peek_error()) != 0)
1994 if (ERR_GET_LIB(l) == ERR_LIB_SYS)
1995 return(SSL_ERROR_SYSCALL);
1997 return(SSL_ERROR_SSL);
2000 if ((i < 0) && SSL_want_read(s))
2002 bio=SSL_get_rbio(s);
2003 if (BIO_should_read(bio))
2004 return(SSL_ERROR_WANT_READ);
2005 else if (BIO_should_write(bio))
2006 /* This one doesn't make too much sense ... We never try
2007 * to write to the rbio, and an application program where
2008 * rbio and wbio are separate couldn't even know what it
2010 * However if we ever set s->rwstate incorrectly
2011 * (so that we have SSL_want_read(s) instead of
2012 * SSL_want_write(s)) and rbio and wbio *are* the same,
2013 * this test works around that bug; so it might be safer
2015 return(SSL_ERROR_WANT_WRITE);
2016 else if (BIO_should_io_special(bio))
2018 reason=BIO_get_retry_reason(bio);
2019 if (reason == BIO_RR_CONNECT)
2020 return(SSL_ERROR_WANT_CONNECT);
2021 else if (reason == BIO_RR_ACCEPT)
2022 return(SSL_ERROR_WANT_ACCEPT);
2024 return(SSL_ERROR_SYSCALL); /* unknown */
2028 if ((i < 0) && SSL_want_write(s))
2030 bio=SSL_get_wbio(s);
2031 if (BIO_should_write(bio))
2032 return(SSL_ERROR_WANT_WRITE);
2033 else if (BIO_should_read(bio))
2034 /* See above (SSL_want_read(s) with BIO_should_write(bio)) */
2035 return(SSL_ERROR_WANT_READ);
2036 else if (BIO_should_io_special(bio))
2038 reason=BIO_get_retry_reason(bio);
2039 if (reason == BIO_RR_CONNECT)
2040 return(SSL_ERROR_WANT_CONNECT);
2041 else if (reason == BIO_RR_ACCEPT)
2042 return(SSL_ERROR_WANT_ACCEPT);
2044 return(SSL_ERROR_SYSCALL);
2047 if ((i < 0) && SSL_want_x509_lookup(s))
2049 return(SSL_ERROR_WANT_X509_LOOKUP);
2054 if (s->version == SSL2_VERSION)
2056 /* assume it is the socket being closed */
2057 return(SSL_ERROR_ZERO_RETURN);
2061 if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) &&
2062 (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY))
2063 return(SSL_ERROR_ZERO_RETURN);
2066 return(SSL_ERROR_SYSCALL);
2069 int SSL_do_handshake(SSL *s)
2073 if (s->handshake_func == NULL)
2075 SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET);
2079 s->method->ssl_renegotiate_check(s);
2081 if (SSL_in_init(s) || SSL_in_before(s))
2083 ret=s->handshake_func(s);
2088 /* For the next 2 functions, SSL_clear() sets shutdown and so
2089 * one of these calls will reset it */
2090 void SSL_set_accept_state(SSL *s)
2094 s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE;
2095 s->handshake_func=s->method->ssl_accept;
2096 /* clear the current cipher */
2097 ssl_clear_cipher_ctx(s);
2100 void SSL_set_connect_state(SSL *s)
2104 s->state=SSL_ST_CONNECT|SSL_ST_BEFORE;
2105 s->handshake_func=s->method->ssl_connect;
2106 /* clear the current cipher */
2107 ssl_clear_cipher_ctx(s);
2110 int ssl_undefined_function(SSL *s)
2112 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2116 int ssl_undefined_void_function(void)
2118 SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2122 int ssl_undefined_const_function(const SSL *s)
2124 SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2128 SSL_METHOD *ssl_bad_method(int ver)
2130 SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2134 const char *SSL_get_version(const SSL *s)
2136 if (s->version == TLS1_VERSION)
2138 else if (s->version == SSL3_VERSION)
2140 else if (s->version == SSL2_VERSION)
2146 SSL *SSL_dup(SSL *s)
2148 STACK_OF(X509_NAME) *sk;
2153 if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL)
2156 ret->version = s->version;
2157 ret->type = s->type;
2158 ret->method = s->method;
2160 if (s->session != NULL)
2162 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
2163 SSL_copy_session_id(ret,s);
2167 /* No session has been established yet, so we have to expect
2168 * that s->cert or ret->cert will be changed later --
2169 * they should not both point to the same object,
2170 * and thus we can't use SSL_copy_session_id. */
2172 ret->method->ssl_free(ret);
2173 ret->method = s->method;
2174 ret->method->ssl_new(ret);
2176 if (s->cert != NULL)
2178 if (ret->cert != NULL)
2180 ssl_cert_free(ret->cert);
2182 ret->cert = ssl_cert_dup(s->cert);
2183 if (ret->cert == NULL)
2187 SSL_set_session_id_context(ret,
2188 s->sid_ctx, s->sid_ctx_length);
2191 ret->options=s->options;
2193 SSL_set_max_cert_list(ret,SSL_get_max_cert_list(s));
2194 SSL_set_read_ahead(ret,SSL_get_read_ahead(s));
2195 ret->msg_callback = s->msg_callback;
2196 ret->msg_callback_arg = s->msg_callback_arg;
2197 SSL_set_verify(ret,SSL_get_verify_mode(s),
2198 SSL_get_verify_callback(s));
2199 SSL_set_verify_depth(ret,SSL_get_verify_depth(s));
2200 ret->generate_session_id = s->generate_session_id;
2202 SSL_set_info_callback(ret,SSL_get_info_callback(s));
2204 ret->debug=s->debug;
2206 /* copy app data, a little dangerous perhaps */
2207 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data))
2210 /* setup rbio, and wbio */
2211 if (s->rbio != NULL)
2213 if (!BIO_dup_state(s->rbio,(char *)&ret->rbio))
2216 if (s->wbio != NULL)
2218 if (s->wbio != s->rbio)
2220 if (!BIO_dup_state(s->wbio,(char *)&ret->wbio))
2224 ret->wbio=ret->rbio;
2226 ret->rwstate = s->rwstate;
2227 ret->in_handshake = s->in_handshake;
2228 ret->handshake_func = s->handshake_func;
2229 ret->server = s->server;
2230 ret->new_session = s->new_session;
2231 ret->quiet_shutdown = s->quiet_shutdown;
2232 ret->shutdown=s->shutdown;
2233 ret->state=s->state; /* SSL_dup does not really work at any state, though */
2234 ret->rstate=s->rstate;
2235 ret->init_num = 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */
2238 X509_VERIFY_PARAM_inherit(ret->param, s->param);
2240 /* dup the cipher_list and cipher_list_by_id stacks */
2241 if (s->cipher_list != NULL)
2243 if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)
2246 if (s->cipher_list_by_id != NULL)
2247 if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id))
2251 /* Dup the client_CA list */
2252 if (s->client_CA != NULL)
2254 if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err;
2256 for (i=0; i<sk_X509_NAME_num(sk); i++)
2258 xn=sk_X509_NAME_value(sk,i);
2259 if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL)
2270 if (ret != NULL) SSL_free(ret);
2276 void ssl_clear_cipher_ctx(SSL *s)
2278 if (s->enc_read_ctx != NULL)
2280 EVP_CIPHER_CTX_cleanup(s->enc_read_ctx);
2281 OPENSSL_free(s->enc_read_ctx);
2282 s->enc_read_ctx=NULL;
2284 if (s->enc_write_ctx != NULL)
2286 EVP_CIPHER_CTX_cleanup(s->enc_write_ctx);
2287 OPENSSL_free(s->enc_write_ctx);
2288 s->enc_write_ctx=NULL;
2290 #ifndef OPENSSL_NO_COMP
2291 if (s->expand != NULL)
2293 COMP_CTX_free(s->expand);
2296 if (s->compress != NULL)
2298 COMP_CTX_free(s->compress);
2304 /* Fix this function so that it takes an optional type parameter */
2305 X509 *SSL_get_certificate(const SSL *s)
2307 if (s->cert != NULL)
2308 return(s->cert->key->x509);
2313 /* Fix this function so that it takes an optional type parameter */
2314 EVP_PKEY *SSL_get_privatekey(SSL *s)
2316 if (s->cert != NULL)
2317 return(s->cert->key->privatekey);
2322 SSL_CIPHER *SSL_get_current_cipher(const SSL *s)
2324 if ((s->session != NULL) && (s->session->cipher != NULL))
2325 return(s->session->cipher);
2328 #ifdef OPENSSL_NO_COMP
2329 const void *SSL_get_current_compression(SSL *s)
2333 const void *SSL_get_current_expansion(SSL *s)
2339 const COMP_METHOD *SSL_get_current_compression(SSL *s)
2341 if (s->compress != NULL)
2342 return(s->compress->meth);
2346 const COMP_METHOD *SSL_get_current_expansion(SSL *s)
2348 if (s->expand != NULL)
2349 return(s->expand->meth);
2354 int ssl_init_wbio_buffer(SSL *s,int push)
2358 if (s->bbio == NULL)
2360 bbio=BIO_new(BIO_f_buffer());
2361 if (bbio == NULL) return(0);
2367 if (s->bbio == s->wbio)
2368 s->wbio=BIO_pop(s->wbio);
2370 (void)BIO_reset(bbio);
2371 /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
2372 if (!BIO_set_read_buffer_size(bbio,1))
2374 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB);
2379 if (s->wbio != bbio)
2380 s->wbio=BIO_push(bbio,s->wbio);
2384 if (s->wbio == bbio)
2385 s->wbio=BIO_pop(bbio);
2390 void ssl_free_wbio_buffer(SSL *s)
2392 if (s->bbio == NULL) return;
2394 if (s->bbio == s->wbio)
2396 /* remove buffering */
2397 s->wbio=BIO_pop(s->wbio);
2398 #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */
2399 assert(s->wbio != NULL);
2406 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode)
2408 ctx->quiet_shutdown=mode;
2411 int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx)
2413 return(ctx->quiet_shutdown);
2416 void SSL_set_quiet_shutdown(SSL *s,int mode)
2418 s->quiet_shutdown=mode;
2421 int SSL_get_quiet_shutdown(const SSL *s)
2423 return(s->quiet_shutdown);
2426 void SSL_set_shutdown(SSL *s,int mode)
2431 int SSL_get_shutdown(const SSL *s)
2433 return(s->shutdown);
2436 int SSL_version(const SSL *s)
2441 SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl)
2446 SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx)
2448 if (ssl->cert != NULL)
2449 ssl_cert_free(ssl->cert);
2450 ssl->cert = ssl_cert_dup(ctx->cert);
2451 CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
2452 if (ssl->ctx != NULL)
2453 SSL_CTX_free(ssl->ctx); /* decrement reference count */
2458 #ifndef OPENSSL_NO_STDIO
2459 int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
2461 return(X509_STORE_set_default_paths(ctx->cert_store));
2464 int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
2467 return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath));
2471 void SSL_set_info_callback(SSL *ssl,
2472 void (*cb)(const SSL *ssl,int type,int val))
2474 ssl->info_callback=cb;
2477 /* One compiler (Diab DCC) doesn't like argument names in returned
2478 function pointer. */
2479 void (*SSL_get_info_callback(const SSL *ssl))(const SSL * /*ssl*/,int /*type*/,int /*val*/)
2481 return ssl->info_callback;
2484 int SSL_state(const SSL *ssl)
2489 void SSL_set_verify_result(SSL *ssl,long arg)
2491 ssl->verify_result=arg;
2494 long SSL_get_verify_result(const SSL *ssl)
2496 return(ssl->verify_result);
2499 int SSL_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
2500 CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
2502 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, argl, argp,
2503 new_func, dup_func, free_func);
2506 int SSL_set_ex_data(SSL *s,int idx,void *arg)
2508 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
2511 void *SSL_get_ex_data(const SSL *s,int idx)
2513 return(CRYPTO_get_ex_data(&s->ex_data,idx));
2516 int SSL_CTX_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
2517 CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
2519 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, argl, argp,
2520 new_func, dup_func, free_func);
2523 int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg)
2525 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
2528 void *SSL_CTX_get_ex_data(const SSL_CTX *s,int idx)
2530 return(CRYPTO_get_ex_data(&s->ex_data,idx));
2538 X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx)
2540 return(ctx->cert_store);
2543 void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store)
2545 if (ctx->cert_store != NULL)
2546 X509_STORE_free(ctx->cert_store);
2547 ctx->cert_store=store;
2550 int SSL_want(const SSL *s)
2556 * \brief Set the callback for generating temporary RSA keys.
2557 * \param ctx the SSL context.
2558 * \param cb the callback
2561 #ifndef OPENSSL_NO_RSA
2562 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl,
2566 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
2569 void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,
2573 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
2579 * \brief The RSA temporary key callback function.
2580 * \param ssl the SSL session.
2581 * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
2582 * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
2583 * of the required key in bits.
2584 * \return the temporary RSA key.
2585 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
2588 RSA *cb(SSL *ssl,int is_export,int keylength)
2593 * \brief Set the callback for generating temporary DH keys.
2594 * \param ctx the SSL context.
2595 * \param dh the callback
2598 #ifndef OPENSSL_NO_DH
2599 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export,
2602 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
2605 void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export,
2608 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
2612 #ifndef OPENSSL_NO_ECDH
2613 void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
2616 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);
2619 void SSL_set_tmp_ecdh_callback(SSL *ssl,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
2622 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);
2627 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))
2629 SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
2631 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))
2633 SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
2638 #if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16)
2639 #include "../crypto/bio/bss_file.c"
2642 IMPLEMENT_STACK_OF(SSL_CIPHER)
2643 IMPLEMENT_STACK_OF(SSL_COMP)