1 /*! \file ssl/ssl_lib.c
2 * \brief Version independent SSL functions.
4 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
7 * This package is an SSL implementation written
8 * by Eric Young (eay@cryptsoft.com).
9 * The implementation was written so as to conform with Netscapes SSL.
11 * This library is free for commercial and non-commercial use as long as
12 * the following conditions are aheared to. The following conditions
13 * apply to all code found in this distribution, be it the RC4, RSA,
14 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
15 * included with this distribution is covered by the same copyright terms
16 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
18 * Copyright remains Eric Young's, and as such any Copyright notices in
19 * the code are not to be removed.
20 * If this package is used in a product, Eric Young should be given attribution
21 * as the author of the parts of the library used.
22 * This can be in the form of a textual message at program startup or
23 * in documentation (online or textual) provided with the package.
25 * Redistribution and use in source and binary forms, with or without
26 * modification, are permitted provided that the following conditions
28 * 1. Redistributions of source code must retain the copyright
29 * notice, this list of conditions and the following disclaimer.
30 * 2. Redistributions in binary form must reproduce the above copyright
31 * notice, this list of conditions and the following disclaimer in the
32 * documentation and/or other materials provided with the distribution.
33 * 3. All advertising materials mentioning features or use of this software
34 * must display the following acknowledgement:
35 * "This product includes cryptographic software written by
36 * Eric Young (eay@cryptsoft.com)"
37 * The word 'cryptographic' can be left out if the rouines from the library
38 * being used are not cryptographic related :-).
39 * 4. If you include any Windows specific code (or a derivative thereof) from
40 * the apps directory (application code) you must include an acknowledgement:
41 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
43 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
44 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
46 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
47 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
48 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
49 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
50 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
51 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
52 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
55 * The licence and distribution terms for any publically available version or
56 * derivative of this code cannot be changed. i.e. this code cannot simply be
57 * copied and put under another distribution licence
58 * [including the GNU Public Licence.]
60 /* ====================================================================
61 * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
63 * Redistribution and use in source and binary forms, with or without
64 * modification, are permitted provided that the following conditions
67 * 1. Redistributions of source code must retain the above copyright
68 * notice, this list of conditions and the following disclaimer.
70 * 2. Redistributions in binary form must reproduce the above copyright
71 * notice, this list of conditions and the following disclaimer in
72 * the documentation and/or other materials provided with the
75 * 3. All advertising materials mentioning features or use of this
76 * software must display the following acknowledgment:
77 * "This product includes software developed by the OpenSSL Project
78 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
80 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
81 * endorse or promote products derived from this software without
82 * prior written permission. For written permission, please contact
83 * openssl-core@openssl.org.
85 * 5. Products derived from this software may not be called "OpenSSL"
86 * nor may "OpenSSL" appear in their names without prior written
87 * permission of the OpenSSL Project.
89 * 6. Redistributions of any form whatsoever must retain the following
91 * "This product includes software developed by the OpenSSL Project
92 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
94 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
95 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
96 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
97 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
98 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
99 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
100 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
101 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
102 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
103 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
104 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
105 * OF THE POSSIBILITY OF SUCH DAMAGE.
106 * ====================================================================
108 * This product includes cryptographic software written by Eric Young
109 * (eay@cryptsoft.com). This product includes software written by Tim
110 * Hudson (tjh@cryptsoft.com).
113 /* ====================================================================
114 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
115 * ECC cipher suite support in OpenSSL originally developed by
116 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
123 #include "ssl_locl.h"
124 #include "kssl_lcl.h"
125 #include <openssl/objects.h>
126 #include <openssl/lhash.h>
127 #include <openssl/x509v3.h>
128 #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
144 int SSL_clear(SSL *s)
147 if (s->method == NULL)
149 SSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED);
153 if (ssl_clear_bad_session(s))
155 SSL_SESSION_free(s->session);
163 #if 0 /* Disabled since version 1.10 of this file (early return not
164 * needed because SSL_clear is not called when doing renegotiation) */
165 /* This is set if we are doing dynamic renegotiation so keep
166 * the old cipher. It is sort of a SSL_clear_lite :-) */
167 if (s->new_session) return(1);
171 SSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR);
178 s->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);
180 s->version=s->method->version;
181 s->client_version=s->version;
182 s->rwstate=SSL_NOTHING;
183 s->rstate=SSL_ST_READ_HEADER;
185 s->read_ahead=s->ctx->read_ahead;
188 if (s->init_buf != NULL)
190 BUF_MEM_free(s->init_buf);
194 ssl_clear_cipher_ctx(s);
199 /* Check to see if we were changed into a different method, if
200 * so, revert back if we are not doing session-id reuse. */
201 if (!s->in_handshake && (s->session == NULL) && (s->method != s->ctx->method))
203 s->method->ssl_free(s);
204 s->method=s->ctx->method;
205 if (!s->method->ssl_new(s))
210 s->method->ssl_clear(s);
214 /** Used to change an SSL_CTXs default SSL method type */
215 int SSL_CTX_set_ssl_version(SSL_CTX *ctx,SSL_METHOD *meth)
217 STACK_OF(SSL_CIPHER) *sk;
221 sk=ssl_create_cipher_list(ctx->method,&(ctx->cipher_list),
222 &(ctx->cipher_list_by_id),SSL_DEFAULT_CIPHER_LIST);
223 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0))
225 SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
231 SSL *SSL_new(SSL_CTX *ctx)
237 SSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX);
240 if (ctx->method == NULL)
242 SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);
246 s=(SSL *)OPENSSL_malloc(sizeof(SSL));
247 if (s == NULL) goto err;
248 memset(s,0,sizeof(SSL));
250 #ifndef OPENSSL_NO_KRB5
251 s->kssl_ctx = kssl_ctx_new();
252 #endif /* OPENSSL_NO_KRB5 */
254 s->options=ctx->options;
256 s->max_cert_list=ctx->max_cert_list;
258 if (ctx->cert != NULL)
260 /* Earlier library versions used to copy the pointer to
261 * the CERT, not its contents; only when setting new
262 * parameters for the per-SSL copy, ssl_cert_new would be
263 * called (and the direct reference to the per-SSL_CTX
264 * settings would be lost, but those still were indirectly
265 * accessed for various purposes, and for that reason they
266 * used to be known as s->ctx->default_cert).
267 * Now we don't look at the SSL_CTX's CERT after having
268 * duplicated it once. */
270 s->cert = ssl_cert_dup(ctx->cert);
275 s->cert=NULL; /* Cannot really happen (see SSL_CTX_new) */
277 s->read_ahead=ctx->read_ahead;
278 s->msg_callback=ctx->msg_callback;
279 s->msg_callback_arg=ctx->msg_callback_arg;
280 s->verify_mode=ctx->verify_mode;
282 s->verify_depth=ctx->verify_depth;
284 s->sid_ctx_length=ctx->sid_ctx_length;
285 OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx);
286 memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));
287 s->verify_callback=ctx->default_verify_callback;
288 s->generate_session_id=ctx->generate_session_id;
290 s->param = X509_VERIFY_PARAM_new();
293 X509_VERIFY_PARAM_inherit(s->param, ctx->param);
295 s->purpose = ctx->purpose;
296 s->trust = ctx->trust;
298 s->quiet_shutdown=ctx->quiet_shutdown;
300 CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
303 s->verify_result=X509_V_OK;
305 s->method=ctx->method;
307 if (!s->method->ssl_new(s))
311 s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;
315 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
322 ssl_cert_free(s->cert);
324 SSL_CTX_free(s->ctx); /* decrement reference count */
327 SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);
331 int SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx,
332 unsigned int sid_ctx_len)
334 if(sid_ctx_len > sizeof ctx->sid_ctx)
336 SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
339 ctx->sid_ctx_length=sid_ctx_len;
340 memcpy(ctx->sid_ctx,sid_ctx,sid_ctx_len);
345 int SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx,
346 unsigned int sid_ctx_len)
348 if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
350 SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
353 ssl->sid_ctx_length=sid_ctx_len;
354 memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len);
359 int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb)
361 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
362 ctx->generate_session_id = cb;
363 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
367 int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb)
369 CRYPTO_w_lock(CRYPTO_LOCK_SSL);
370 ssl->generate_session_id = cb;
371 CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
375 int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
378 /* A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
379 * we can "construct" a session to give us the desired check - ie. to
380 * find if there's a session in the hash table that would conflict with
381 * any new session built out of this id/id_len and the ssl_version in
382 * use by this SSL. */
385 if(id_len > sizeof r.session_id)
388 r.ssl_version = ssl->version;
389 r.session_id_length = id_len;
390 memcpy(r.session_id, id, id_len);
391 /* NB: SSLv2 always uses a fixed 16-byte session ID, so even if a
392 * callback is calling us to check the uniqueness of a shorter ID, it
393 * must be compared as a padded-out ID because that is what it will be
394 * converted to when the callback has finished choosing it. */
395 if((r.ssl_version == SSL2_VERSION) &&
396 (id_len < SSL2_SSL_SESSION_ID_LENGTH))
398 memset(r.session_id + id_len, 0,
399 SSL2_SSL_SESSION_ID_LENGTH - id_len);
400 r.session_id_length = SSL2_SSL_SESSION_ID_LENGTH;
403 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
404 p = (SSL_SESSION *)lh_retrieve(ssl->ctx->sessions, &r);
405 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
409 int SSL_CTX_set_purpose(SSL_CTX *s, int purpose)
411 return X509_VERIFY_PARAM_set_purpose(s->param, purpose);
414 int SSL_set_purpose(SSL *s, int purpose)
416 return X509_VERIFY_PARAM_set_purpose(s->param, purpose);
419 int SSL_CTX_set_trust(SSL_CTX *s, int trust)
421 return X509_VERIFY_PARAM_set_trust(s->param, trust);
424 int SSL_set_trust(SSL *s, int trust)
426 return X509_VERIFY_PARAM_set_trust(s->param, trust);
429 void SSL_free(SSL *s)
436 i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL);
444 fprintf(stderr,"SSL_free, bad reference count\n");
450 X509_VERIFY_PARAM_free(s->param);
452 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
456 /* If the buffering BIO is in place, pop it off */
457 if (s->bbio == s->wbio)
459 s->wbio=BIO_pop(s->wbio);
465 BIO_free_all(s->rbio);
466 if ((s->wbio != NULL) && (s->wbio != s->rbio))
467 BIO_free_all(s->wbio);
469 if (s->init_buf != NULL) BUF_MEM_free(s->init_buf);
471 /* add extra stuff */
472 if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list);
473 if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id);
475 /* Make the next call work :-) */
476 if (s->session != NULL)
478 ssl_clear_bad_session(s);
479 SSL_SESSION_free(s->session);
482 ssl_clear_cipher_ctx(s);
484 if (s->cert != NULL) ssl_cert_free(s->cert);
485 /* Free up if allocated */
487 if (s->ctx) SSL_CTX_free(s->ctx);
489 if (s->client_CA != NULL)
490 sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free);
492 if (s->method != NULL) s->method->ssl_free(s);
494 #ifndef OPENSSL_NO_KRB5
495 if (s->kssl_ctx != NULL)
496 kssl_ctx_free(s->kssl_ctx);
497 #endif /* OPENSSL_NO_KRB5 */
502 void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio)
504 /* If the output buffering BIO is still in place, remove it
508 if (s->wbio == s->bbio)
510 s->wbio=s->wbio->next_bio;
511 s->bbio->next_bio=NULL;
514 if ((s->rbio != NULL) && (s->rbio != rbio))
515 BIO_free_all(s->rbio);
516 if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio))
517 BIO_free_all(s->wbio);
522 BIO *SSL_get_rbio(const SSL *s)
525 BIO *SSL_get_wbio(const SSL *s)
528 int SSL_get_fd(const SSL *s)
530 return(SSL_get_rfd(s));
533 int SSL_get_rfd(const SSL *s)
539 r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
545 int SSL_get_wfd(const SSL *s)
551 r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
557 #ifndef OPENSSL_NO_SOCK
558 int SSL_set_fd(SSL *s,int fd)
563 bio=BIO_new(BIO_s_socket());
567 SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB);
570 BIO_set_fd(bio,fd,BIO_NOCLOSE);
571 SSL_set_bio(s,bio,bio);
577 int SSL_set_wfd(SSL *s,int fd)
582 if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET)
583 || ((int)BIO_get_fd(s->rbio,NULL) != fd))
585 bio=BIO_new(BIO_s_socket());
588 { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; }
589 BIO_set_fd(bio,fd,BIO_NOCLOSE);
590 SSL_set_bio(s,SSL_get_rbio(s),bio);
593 SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s));
599 int SSL_set_rfd(SSL *s,int fd)
604 if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET)
605 || ((int)BIO_get_fd(s->wbio,NULL) != fd))
607 bio=BIO_new(BIO_s_socket());
611 SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB);
614 BIO_set_fd(bio,fd,BIO_NOCLOSE);
615 SSL_set_bio(s,bio,SSL_get_wbio(s));
618 SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s));
626 /* return length of latest Finished message we sent, copy to 'buf' */
627 size_t SSL_get_finished(const SSL *s, void *buf, size_t count)
633 ret = s->s3->tmp.finish_md_len;
636 memcpy(buf, s->s3->tmp.finish_md, count);
641 /* return length of latest Finished message we expected, copy to 'buf' */
642 size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count)
648 ret = s->s3->tmp.peer_finish_md_len;
651 memcpy(buf, s->s3->tmp.peer_finish_md, count);
657 int SSL_get_verify_mode(const SSL *s)
659 return(s->verify_mode);
662 int SSL_get_verify_depth(const SSL *s)
664 return X509_VERIFY_PARAM_get_depth(s->param);
667 int (*SSL_get_verify_callback(const SSL *s))(int,X509_STORE_CTX *)
669 return(s->verify_callback);
672 int SSL_CTX_get_verify_mode(const SSL_CTX *ctx)
674 return(ctx->verify_mode);
677 int SSL_CTX_get_verify_depth(const SSL_CTX *ctx)
679 return X509_VERIFY_PARAM_get_depth(ctx->param);
682 int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int,X509_STORE_CTX *)
684 return(ctx->default_verify_callback);
687 void SSL_set_verify(SSL *s,int mode,
688 int (*callback)(int ok,X509_STORE_CTX *ctx))
691 if (callback != NULL)
692 s->verify_callback=callback;
695 void SSL_set_verify_depth(SSL *s,int depth)
697 X509_VERIFY_PARAM_set_depth(s->param, depth);
700 void SSL_set_read_ahead(SSL *s,int yes)
705 int SSL_get_read_ahead(const SSL *s)
707 return(s->read_ahead);
710 int SSL_pending(const SSL *s)
712 /* SSL_pending cannot work properly if read-ahead is enabled
713 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)),
714 * and it is impossible to fix since SSL_pending cannot report
715 * errors that may be observed while scanning the new data.
716 * (Note that SSL_pending() is often used as a boolean value,
717 * so we'd better not return -1.)
719 return(s->method->ssl_pending(s));
722 X509 *SSL_get_peer_certificate(const SSL *s)
726 if ((s == NULL) || (s->session == NULL))
731 if (r == NULL) return(r);
733 CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509);
738 STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s)
742 if ((s == NULL) || (s->session == NULL) || (s->session->sess_cert == NULL))
745 r=s->session->sess_cert->cert_chain;
747 /* If we are a client, cert_chain includes the peer's own
748 * certificate; if we are a server, it does not. */
753 /* Now in theory, since the calling process own 't' it should be safe to
754 * modify. We need to be able to read f without being hassled */
755 void SSL_copy_session_id(SSL *t,const SSL *f)
759 /* Do we need to to SSL locking? */
760 SSL_set_session(t,SSL_get_session(f));
762 /* what if we are setup as SSLv2 but want to talk SSLv3 or
764 if (t->method != f->method)
766 t->method->ssl_free(t); /* cleanup current */
767 t->method=f->method; /* change method */
768 t->method->ssl_new(t); /* setup new */
774 CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT);
779 if (tmp != NULL) ssl_cert_free(tmp);
780 SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length);
783 /* Fix this so it checks all the valid key/cert options */
784 int SSL_CTX_check_private_key(const SSL_CTX *ctx)
786 if ( (ctx == NULL) ||
787 (ctx->cert == NULL) ||
788 (ctx->cert->key->x509 == NULL))
790 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
793 if (ctx->cert->key->privatekey == NULL)
795 SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
798 return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey));
801 /* Fix this function so that it takes an optional type parameter */
802 int SSL_check_private_key(const SSL *ssl)
806 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER);
809 if (ssl->cert == NULL)
811 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
814 if (ssl->cert->key->x509 == NULL)
816 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
819 if (ssl->cert->key->privatekey == NULL)
821 SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
824 return(X509_check_private_key(ssl->cert->key->x509,
825 ssl->cert->key->privatekey));
828 int SSL_accept(SSL *s)
830 if (s->handshake_func == 0)
831 /* Not properly initialized yet */
832 SSL_set_accept_state(s);
834 return(s->method->ssl_accept(s));
837 int SSL_connect(SSL *s)
839 if (s->handshake_func == 0)
840 /* Not properly initialized yet */
841 SSL_set_connect_state(s);
843 return(s->method->ssl_connect(s));
846 long SSL_get_default_timeout(const SSL *s)
848 return(s->method->get_timeout());
851 int SSL_read(SSL *s,void *buf,int num)
853 if (s->handshake_func == 0)
855 SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
859 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
861 s->rwstate=SSL_NOTHING;
864 return(s->method->ssl_read(s,buf,num));
867 int SSL_peek(SSL *s,void *buf,int num)
869 if (s->handshake_func == 0)
871 SSLerr(SSL_F_SSL_PEEK, SSL_R_UNINITIALIZED);
875 if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
879 return(s->method->ssl_peek(s,buf,num));
882 int SSL_write(SSL *s,const void *buf,int num)
884 if (s->handshake_func == 0)
886 SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED);
890 if (s->shutdown & SSL_SENT_SHUTDOWN)
892 s->rwstate=SSL_NOTHING;
893 SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN);
896 return(s->method->ssl_write(s,buf,num));
899 int SSL_shutdown(SSL *s)
901 /* Note that this function behaves differently from what one might
902 * expect. Return values are 0 for no success (yet),
903 * 1 for success; but calling it once is usually not enough,
904 * even if blocking I/O is used (see ssl3_shutdown).
907 if (s->handshake_func == 0)
909 SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED);
913 if ((s != NULL) && !SSL_in_init(s))
914 return(s->method->ssl_shutdown(s));
919 int SSL_renegotiate(SSL *s)
921 if (s->new_session == 0)
925 return(s->method->ssl_renegotiate(s));
928 int SSL_renegotiate_pending(SSL *s)
930 /* becomes true when negotiation is requested;
931 * false again once a handshake has finished */
932 return (s->new_session != 0);
935 long SSL_ctrl(SSL *s,int cmd,long larg,void *parg)
941 case SSL_CTRL_GET_READ_AHEAD:
942 return(s->read_ahead);
943 case SSL_CTRL_SET_READ_AHEAD:
948 case SSL_CTRL_SET_MSG_CALLBACK_ARG:
949 s->msg_callback_arg = parg;
952 case SSL_CTRL_OPTIONS:
953 return(s->options|=larg);
955 return(s->mode|=larg);
956 case SSL_CTRL_GET_MAX_CERT_LIST:
957 return(s->max_cert_list);
958 case SSL_CTRL_SET_MAX_CERT_LIST:
960 s->max_cert_list=larg;
962 case SSL_CTRL_SET_MTU:
963 if (SSL_version(s) == DTLS1_VERSION)
970 return(s->method->ssl_ctrl(s,cmd,larg,parg));
974 long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)(void))
978 case SSL_CTRL_SET_MSG_CALLBACK:
979 s->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp);
983 return(s->method->ssl_callback_ctrl(s,cmd,fp));
987 struct lhash_st *SSL_CTX_sessions(SSL_CTX *ctx)
989 return ctx->sessions;
992 long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,void *parg)
998 case SSL_CTRL_GET_READ_AHEAD:
999 return(ctx->read_ahead);
1000 case SSL_CTRL_SET_READ_AHEAD:
1002 ctx->read_ahead=larg;
1005 case SSL_CTRL_SET_MSG_CALLBACK_ARG:
1006 ctx->msg_callback_arg = parg;
1009 case SSL_CTRL_GET_MAX_CERT_LIST:
1010 return(ctx->max_cert_list);
1011 case SSL_CTRL_SET_MAX_CERT_LIST:
1012 l=ctx->max_cert_list;
1013 ctx->max_cert_list=larg;
1016 case SSL_CTRL_SET_SESS_CACHE_SIZE:
1017 l=ctx->session_cache_size;
1018 ctx->session_cache_size=larg;
1020 case SSL_CTRL_GET_SESS_CACHE_SIZE:
1021 return(ctx->session_cache_size);
1022 case SSL_CTRL_SET_SESS_CACHE_MODE:
1023 l=ctx->session_cache_mode;
1024 ctx->session_cache_mode=larg;
1026 case SSL_CTRL_GET_SESS_CACHE_MODE:
1027 return(ctx->session_cache_mode);
1029 case SSL_CTRL_SESS_NUMBER:
1030 return(ctx->sessions->num_items);
1031 case SSL_CTRL_SESS_CONNECT:
1032 return(ctx->stats.sess_connect);
1033 case SSL_CTRL_SESS_CONNECT_GOOD:
1034 return(ctx->stats.sess_connect_good);
1035 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE:
1036 return(ctx->stats.sess_connect_renegotiate);
1037 case SSL_CTRL_SESS_ACCEPT:
1038 return(ctx->stats.sess_accept);
1039 case SSL_CTRL_SESS_ACCEPT_GOOD:
1040 return(ctx->stats.sess_accept_good);
1041 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE:
1042 return(ctx->stats.sess_accept_renegotiate);
1043 case SSL_CTRL_SESS_HIT:
1044 return(ctx->stats.sess_hit);
1045 case SSL_CTRL_SESS_CB_HIT:
1046 return(ctx->stats.sess_cb_hit);
1047 case SSL_CTRL_SESS_MISSES:
1048 return(ctx->stats.sess_miss);
1049 case SSL_CTRL_SESS_TIMEOUTS:
1050 return(ctx->stats.sess_timeout);
1051 case SSL_CTRL_SESS_CACHE_FULL:
1052 return(ctx->stats.sess_cache_full);
1053 case SSL_CTRL_OPTIONS:
1054 return(ctx->options|=larg);
1056 return(ctx->mode|=larg);
1058 return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg));
1062 long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void))
1066 case SSL_CTRL_SET_MSG_CALLBACK:
1067 ctx->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp);
1071 return(ctx->method->ssl_ctx_callback_ctrl(ctx,cmd,fp));
1075 int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b)
1083 return((l > 0)?1:-1);
1086 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
1087 const SSL_CIPHER * const *bp)
1091 l=(*ap)->id-(*bp)->id;
1095 return((l > 0)?1:-1);
1098 /** return a STACK of the ciphers available for the SSL and in order of
1100 STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s)
1104 if (s->cipher_list != NULL)
1106 return(s->cipher_list);
1108 else if ((s->ctx != NULL) &&
1109 (s->ctx->cipher_list != NULL))
1111 return(s->ctx->cipher_list);
1117 /** return a STACK of the ciphers available for the SSL and in order of
1119 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s)
1123 if (s->cipher_list_by_id != NULL)
1125 return(s->cipher_list_by_id);
1127 else if ((s->ctx != NULL) &&
1128 (s->ctx->cipher_list_by_id != NULL))
1130 return(s->ctx->cipher_list_by_id);
1136 /** The old interface to get the same thing as SSL_get_ciphers() */
1137 const char *SSL_get_cipher_list(const SSL *s,int n)
1140 STACK_OF(SSL_CIPHER) *sk;
1142 if (s == NULL) return(NULL);
1143 sk=SSL_get_ciphers(s);
1144 if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n))
1146 c=sk_SSL_CIPHER_value(sk,n);
1147 if (c == NULL) return(NULL);
1151 /** specify the ciphers to be used by default by the SSL_CTX */
1152 int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)
1154 STACK_OF(SSL_CIPHER) *sk;
1156 sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list,
1157 &ctx->cipher_list_by_id,str);
1158 /* ssl_create_cipher_list may return an empty stack if it
1159 * was unable to find a cipher matching the given rule string
1160 * (for example if the rule string specifies a cipher which
1161 * has been disabled). This is not an error as far as
1162 * ssl_create_cipher_list is concerned, and hence
1163 * ctx->cipher_list and ctx->cipher_list_by_id has been
1167 else if (sk_SSL_CIPHER_num(sk) == 0)
1169 SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
1175 /** specify the ciphers to be used by the SSL */
1176 int SSL_set_cipher_list(SSL *s,const char *str)
1178 STACK_OF(SSL_CIPHER) *sk;
1180 sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list,
1181 &s->cipher_list_by_id,str);
1182 /* see comment in SSL_CTX_set_cipher_list */
1185 else if (sk_SSL_CIPHER_num(sk) == 0)
1187 SSLerr(SSL_F_SSL_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
1193 /* works well for SSLv2, not so good for SSLv3 */
1194 char *SSL_get_shared_ciphers(const SSL *s,char *buf,int len)
1198 STACK_OF(SSL_CIPHER) *sk;
1202 if ((s->session == NULL) || (s->session->ciphers == NULL) ||
1207 sk=s->session->ciphers;
1208 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
1210 /* Decrement for either the ':' or a '\0' */
1212 c=sk_SSL_CIPHER_value(sk,i);
1213 for (cp=c->name; *cp; )
1229 int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
1230 int (*put_cb)(const SSL_CIPHER *, unsigned char *))
1235 #ifndef OPENSSL_NO_KRB5
1236 int nokrb5 = !kssl_tgt_is_available(s->kssl_ctx);
1237 #endif /* OPENSSL_NO_KRB5 */
1239 if (sk == NULL) return(0);
1242 for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
1244 c=sk_SSL_CIPHER_value(sk,i);
1245 #ifndef OPENSSL_NO_KRB5
1246 if ((c->algorithms & SSL_KRB5) && nokrb5)
1248 #endif /* OPENSSL_NO_KRB5 */
1250 j = put_cb ? put_cb(c,p) : ssl_put_cipher_by_char(s,c,p);
1256 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
1257 STACK_OF(SSL_CIPHER) **skp)
1260 STACK_OF(SSL_CIPHER) *sk;
1263 n=ssl_put_cipher_by_char(s,NULL,NULL);
1266 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
1269 if ((skp == NULL) || (*skp == NULL))
1270 sk=sk_SSL_CIPHER_new_null(); /* change perhaps later */
1274 sk_SSL_CIPHER_zero(sk);
1277 for (i=0; i<num; i+=n)
1279 c=ssl_get_cipher_by_char(s,p);
1283 if (!sk_SSL_CIPHER_push(sk,c))
1285 SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
1295 if ((skp == NULL) || (*skp == NULL))
1296 sk_SSL_CIPHER_free(sk);
1300 unsigned long SSL_SESSION_hash(const SSL_SESSION *a)
1305 ((unsigned int) a->session_id[0] )|
1306 ((unsigned int) a->session_id[1]<< 8L)|
1307 ((unsigned long)a->session_id[2]<<16L)|
1308 ((unsigned long)a->session_id[3]<<24L);
1312 /* NB: If this function (or indeed the hash function which uses a sort of
1313 * coarser function than this one) is changed, ensure
1314 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being
1315 * able to construct an SSL_SESSION that will collide with any existing session
1316 * with a matching session ID. */
1317 int SSL_SESSION_cmp(const SSL_SESSION *a,const SSL_SESSION *b)
1319 if (a->ssl_version != b->ssl_version)
1321 if (a->session_id_length != b->session_id_length)
1323 return(memcmp(a->session_id,b->session_id,a->session_id_length));
1326 /* These wrapper functions should remain rather than redeclaring
1327 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
1328 * variable. The reason is that the functions aren't static, they're exposed via
1330 static IMPLEMENT_LHASH_HASH_FN(SSL_SESSION_hash, SSL_SESSION *)
1331 static IMPLEMENT_LHASH_COMP_FN(SSL_SESSION_cmp, SSL_SESSION *)
1333 SSL_CTX *SSL_CTX_new(SSL_METHOD *meth)
1339 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);
1343 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
1345 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
1348 ret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX));
1352 memset(ret,0,sizeof(SSL_CTX));
1356 ret->cert_store=NULL;
1357 ret->session_cache_mode=SSL_SESS_CACHE_SERVER;
1358 ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
1359 ret->session_cache_head=NULL;
1360 ret->session_cache_tail=NULL;
1362 /* We take the system default */
1363 ret->session_timeout=meth->get_timeout();
1365 ret->new_session_cb=0;
1366 ret->remove_session_cb=0;
1367 ret->get_session_cb=0;
1368 ret->generate_session_id=0;
1370 memset((char *)&ret->stats,0,sizeof(ret->stats));
1373 ret->quiet_shutdown=0;
1375 /* ret->cipher=NULL;*/
1376 /* ret->s2->challenge=NULL;
1377 ret->master_key=NULL;
1379 ret->s2->conn_id=NULL; */
1381 ret->info_callback=NULL;
1383 ret->app_verify_callback=0;
1384 ret->app_verify_arg=NULL;
1386 ret->max_cert_list=SSL_MAX_CERT_LIST_DEFAULT;
1388 ret->msg_callback=0;
1389 ret->msg_callback_arg=NULL;
1390 ret->verify_mode=SSL_VERIFY_NONE;
1392 ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */
1394 ret->sid_ctx_length=0;
1395 ret->default_verify_callback=NULL;
1396 if ((ret->cert=ssl_cert_new()) == NULL)
1399 ret->default_passwd_callback=0;
1400 ret->default_passwd_callback_userdata=NULL;
1401 ret->client_cert_cb=0;
1402 ret->app_gen_cookie_cb=0;
1403 ret->app_verify_cookie_cb=0;
1405 ret->sessions=lh_new(LHASH_HASH_FN(SSL_SESSION_hash),
1406 LHASH_COMP_FN(SSL_SESSION_cmp));
1407 if (ret->sessions == NULL) goto err;
1408 ret->cert_store=X509_STORE_new();
1409 if (ret->cert_store == NULL) goto err;
1411 ssl_create_cipher_list(ret->method,
1412 &ret->cipher_list,&ret->cipher_list_by_id,
1413 SSL_DEFAULT_CIPHER_LIST);
1414 if (ret->cipher_list == NULL
1415 || sk_SSL_CIPHER_num(ret->cipher_list) <= 0)
1417 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS);
1421 ret->param = X509_VERIFY_PARAM_new();
1425 if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)
1427 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);
1430 if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL)
1432 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);
1435 if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL)
1437 SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);
1441 if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL)
1444 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data);
1446 ret->extra_certs=NULL;
1447 ret->comp_methods=SSL_COMP_get_compression_methods();
1451 SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);
1453 if (ret != NULL) SSL_CTX_free(ret);
1458 static void SSL_COMP_free(SSL_COMP *comp)
1459 { OPENSSL_free(comp); }
1462 void SSL_CTX_free(SSL_CTX *a)
1466 if (a == NULL) return;
1468 i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX);
1470 REF_PRINT("SSL_CTX",a);
1476 fprintf(stderr,"SSL_CTX_free, bad reference count\n");
1482 X509_VERIFY_PARAM_free(a->param);
1485 * Free internal session cache. However: the remove_cb() may reference
1486 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
1487 * after the sessions were flushed.
1488 * As the ex_data handling routines might also touch the session cache,
1489 * the most secure solution seems to be: empty (flush) the cache, then
1490 * free ex_data, then finally free the cache.
1491 * (See ticket [openssl.org #212].)
1493 if (a->sessions != NULL)
1494 SSL_CTX_flush_sessions(a,0);
1496 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);
1498 if (a->sessions != NULL)
1499 lh_free(a->sessions);
1501 if (a->cert_store != NULL)
1502 X509_STORE_free(a->cert_store);
1503 if (a->cipher_list != NULL)
1504 sk_SSL_CIPHER_free(a->cipher_list);
1505 if (a->cipher_list_by_id != NULL)
1506 sk_SSL_CIPHER_free(a->cipher_list_by_id);
1507 if (a->cert != NULL)
1508 ssl_cert_free(a->cert);
1509 if (a->client_CA != NULL)
1510 sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free);
1511 if (a->extra_certs != NULL)
1512 sk_X509_pop_free(a->extra_certs,X509_free);
1513 #if 0 /* This should never be done, since it removes a global database */
1514 if (a->comp_methods != NULL)
1515 sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free);
1517 a->comp_methods = NULL;
1522 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb)
1524 ctx->default_passwd_callback=cb;
1527 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx,void *u)
1529 ctx->default_passwd_callback_userdata=u;
1532 void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *,void *), void *arg)
1534 ctx->app_verify_callback=cb;
1535 ctx->app_verify_arg=arg;
1538 void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *))
1540 ctx->verify_mode=mode;
1541 ctx->default_verify_callback=cb;
1544 void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth)
1546 X509_VERIFY_PARAM_set_depth(ctx->param, depth);
1549 void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher)
1552 int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign;
1553 int rsa_enc_export,dh_rsa_export,dh_dsa_export;
1554 int rsa_tmp_export,dh_tmp_export,kl;
1555 unsigned long mask,emask;
1556 int have_ecc_cert, ecdh_ok, ecdsa_ok, ecc_pkey_size;
1557 #ifndef OPENSSL_NO_ECDH
1561 EVP_PKEY *ecc_pkey = NULL;
1562 int signature_nid = 0;
1564 if (c == NULL) return;
1566 kl=SSL_C_EXPORT_PKEYLENGTH(cipher);
1568 #ifndef OPENSSL_NO_RSA
1569 rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL);
1570 rsa_tmp_export=(c->rsa_tmp_cb != NULL ||
1571 (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl));
1573 rsa_tmp=rsa_tmp_export=0;
1575 #ifndef OPENSSL_NO_DH
1576 dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL);
1577 dh_tmp_export=(c->dh_tmp_cb != NULL ||
1578 (dh_tmp && DH_size(c->dh_tmp)*8 <= kl));
1580 dh_tmp=dh_tmp_export=0;
1583 #ifndef OPENSSL_NO_ECDH
1584 have_ecdh_tmp=(c->ecdh_tmp != NULL || c->ecdh_tmp_cb != NULL);
1586 cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);
1587 rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);
1588 rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1589 cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);
1590 rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1591 cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);
1592 dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
1593 cpk= &(c->pkeys[SSL_PKEY_DH_RSA]);
1594 dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
1595 dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1596 cpk= &(c->pkeys[SSL_PKEY_DH_DSA]);
1597 /* FIX THIS EAY EAY EAY */
1598 dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
1599 dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
1600 cpk= &(c->pkeys[SSL_PKEY_ECC]);
1601 have_ecc_cert= (cpk->x509 != NULL && cpk->privatekey != NULL);
1606 printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
1607 rsa_tmp,rsa_tmp_export,dh_tmp,
1608 rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);
1611 if (rsa_enc || (rsa_tmp && rsa_sign))
1613 if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc)))
1617 /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
1618 if ( (dh_tmp || dh_rsa || dh_dsa) &&
1619 (rsa_enc || rsa_sign || dsa_sign))
1621 if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) &&
1622 (rsa_enc || rsa_sign || dsa_sign))
1632 if (dh_rsa) mask|=SSL_kDHr;
1633 if (dh_rsa_export) emask|=SSL_kDHr;
1635 if (dh_dsa) mask|=SSL_kDHd;
1636 if (dh_dsa_export) emask|=SSL_kDHd;
1638 if (rsa_enc || rsa_sign)
1653 #ifndef OPENSSL_NO_KRB5
1654 mask|=SSL_kKRB5|SSL_aKRB5;
1655 emask|=SSL_kKRB5|SSL_aKRB5;
1658 /* An ECC certificate may be usable for ECDH and/or
1659 * ECDSA cipher suites depending on the key usage extension.
1663 /* This call populates extension flags (ex_flags) */
1664 x = (c->pkeys[SSL_PKEY_ECC]).x509;
1665 X509_check_purpose(x, -1, 0);
1666 ecdh_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
1667 (x->ex_kusage & X509v3_KU_KEY_AGREEMENT) : 1;
1668 ecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
1669 (x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) : 1;
1670 ecc_pkey = X509_get_pubkey(x);
1671 ecc_pkey_size = (ecc_pkey != NULL) ?
1672 EVP_PKEY_bits(ecc_pkey) : 0;
1673 EVP_PKEY_free(ecc_pkey);
1674 if ((x->sig_alg) && (x->sig_alg->algorithm))
1675 signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
1676 #ifndef OPENSSL_NO_ECDH
1679 if ((signature_nid == NID_md5WithRSAEncryption) ||
1680 (signature_nid == NID_md4WithRSAEncryption) ||
1681 (signature_nid == NID_md2WithRSAEncryption))
1683 mask|=SSL_kECDH|SSL_aRSA;
1684 if (ecc_pkey_size <= 163)
1685 emask|=SSL_kECDH|SSL_aRSA;
1687 if (signature_nid == NID_ecdsa_with_SHA1)
1689 mask|=SSL_kECDH|SSL_aECDSA;
1690 if (ecc_pkey_size <= 163)
1691 emask|=SSL_kECDH|SSL_aECDSA;
1695 #ifndef OPENSSL_NO_ECDSA
1704 #ifndef OPENSSL_NO_ECDH
1712 c->export_mask=emask;
1716 /* This handy macro borrowed from crypto/x509v3/v3_purp.c */
1717 #define ku_reject(x, usage) \
1718 (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
1720 int check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs)
1722 unsigned long alg = cs->algorithms;
1723 EVP_PKEY *pkey = NULL;
1725 int signature_nid = 0;
1727 if (SSL_C_IS_EXPORT(cs))
1729 /* ECDH key length in export ciphers must be <= 163 bits */
1730 pkey = X509_get_pubkey(x);
1731 if (pkey == NULL) return 0;
1732 keysize = EVP_PKEY_bits(pkey);
1733 EVP_PKEY_free(pkey);
1734 if (keysize > 163) return 0;
1737 /* This call populates the ex_flags field correctly */
1738 X509_check_purpose(x, -1, 0);
1739 if ((x->sig_alg) && (x->sig_alg->algorithm))
1740 signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
1741 if (alg & SSL_kECDH)
1743 /* key usage, if present, must allow key agreement */
1744 if (ku_reject(x, X509v3_KU_KEY_AGREEMENT))
1748 if (alg & SSL_aECDSA)
1750 /* signature alg must be ECDSA */
1751 if (signature_nid != NID_ecdsa_with_SHA1)
1758 /* signature alg must be RSA */
1759 if ((signature_nid != NID_md5WithRSAEncryption) &&
1760 (signature_nid != NID_md4WithRSAEncryption) &&
1761 (signature_nid != NID_md2WithRSAEncryption))
1767 else if (alg & SSL_aECDSA)
1769 /* key usage, if present, must allow signing */
1770 if (ku_reject(x, X509v3_KU_DIGITAL_SIGNATURE))
1776 return 1; /* all checks are ok */
1779 /* THIS NEEDS CLEANING UP */
1780 X509 *ssl_get_server_send_cert(SSL *s)
1782 unsigned long alg,mask,kalg;
1787 ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
1788 alg=s->s3->tmp.new_cipher->algorithms;
1789 is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
1790 mask=is_export?c->export_mask:c->mask;
1791 kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK);
1793 if (kalg & SSL_kECDH)
1795 /* we don't need to look at SSL_kECDHE
1796 * since no certificate is needed for
1797 * anon ECDH and for authenticated
1798 * ECDHE, the check for the auth
1799 * algorithm will set i correctly
1800 * NOTE: For ECDH-RSA, we need an ECC
1801 * not an RSA cert but for ECDHE-RSA
1802 * we need an RSA cert. Placing the
1803 * checks for SSL_kECDH before RSA
1804 * checks ensures the correct cert is chosen.
1808 else if (kalg & SSL_aECDSA)
1812 else if (kalg & SSL_kDHr)
1814 else if (kalg & SSL_kDHd)
1816 else if (kalg & SSL_aDSS)
1817 i=SSL_PKEY_DSA_SIGN;
1818 else if (kalg & SSL_aRSA)
1820 if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)
1821 i=SSL_PKEY_RSA_SIGN;
1825 else if (kalg & SSL_aKRB5)
1827 /* VRS something else here? */
1830 else /* if (kalg & SSL_aNULL) */
1832 SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,ERR_R_INTERNAL_ERROR);
1835 if (c->pkeys[i].x509 == NULL) return(NULL);
1837 return(c->pkeys[i].x509);
1840 EVP_PKEY *ssl_get_sign_pkey(SSL *s,SSL_CIPHER *cipher)
1845 alg=cipher->algorithms;
1848 if ((alg & SSL_aDSS) &&
1849 (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
1850 return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey);
1851 else if (alg & SSL_aRSA)
1853 if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
1854 return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey);
1855 else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
1856 return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey);
1860 else if ((alg & SSL_aECDSA) &&
1861 (c->pkeys[SSL_PKEY_ECC].privatekey != NULL))
1862 return(c->pkeys[SSL_PKEY_ECC].privatekey);
1863 else /* if (alg & SSL_aNULL) */
1865 SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR);
1870 void ssl_update_cache(SSL *s,int mode)
1874 /* If the session_id_length is 0, we are not supposed to cache it,
1875 * and it would be rather hard to do anyway :-) */
1876 if (s->session->session_id_length == 0) return;
1878 i=s->ctx->session_cache_mode;
1879 if ((i & mode) && (!s->hit)
1880 && ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE)
1881 || SSL_CTX_add_session(s->ctx,s->session))
1882 && (s->ctx->new_session_cb != NULL))
1884 CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION);
1885 if (!s->ctx->new_session_cb(s,s->session))
1886 SSL_SESSION_free(s->session);
1889 /* auto flush every 255 connections */
1890 if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) &&
1891 ((i & mode) == mode))
1893 if ( (((mode & SSL_SESS_CACHE_CLIENT)
1894 ?s->ctx->stats.sess_connect_good
1895 :s->ctx->stats.sess_accept_good) & 0xff) == 0xff)
1897 SSL_CTX_flush_sessions(s->ctx,time(NULL));
1902 SSL_METHOD *SSL_get_ssl_method(SSL *s)
1907 int SSL_set_ssl_method(SSL *s,SSL_METHOD *meth)
1912 if (s->method != meth)
1914 if (s->handshake_func != NULL)
1915 conn=(s->handshake_func == s->method->ssl_connect);
1917 if (s->method->version == meth->version)
1921 s->method->ssl_free(s);
1923 ret=s->method->ssl_new(s);
1927 s->handshake_func=meth->ssl_connect;
1929 s->handshake_func=meth->ssl_accept;
1934 int SSL_get_error(const SSL *s,int i)
1940 if (i > 0) return(SSL_ERROR_NONE);
1942 /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
1943 * etc, where we do encode the error */
1944 if ((l=ERR_peek_error()) != 0)
1946 if (ERR_GET_LIB(l) == ERR_LIB_SYS)
1947 return(SSL_ERROR_SYSCALL);
1949 return(SSL_ERROR_SSL);
1952 if ((i < 0) && SSL_want_read(s))
1954 bio=SSL_get_rbio(s);
1955 if (BIO_should_read(bio))
1956 return(SSL_ERROR_WANT_READ);
1957 else if (BIO_should_write(bio))
1958 /* This one doesn't make too much sense ... We never try
1959 * to write to the rbio, and an application program where
1960 * rbio and wbio are separate couldn't even know what it
1962 * However if we ever set s->rwstate incorrectly
1963 * (so that we have SSL_want_read(s) instead of
1964 * SSL_want_write(s)) and rbio and wbio *are* the same,
1965 * this test works around that bug; so it might be safer
1967 return(SSL_ERROR_WANT_WRITE);
1968 else if (BIO_should_io_special(bio))
1970 reason=BIO_get_retry_reason(bio);
1971 if (reason == BIO_RR_CONNECT)
1972 return(SSL_ERROR_WANT_CONNECT);
1973 else if (reason == BIO_RR_ACCEPT)
1974 return(SSL_ERROR_WANT_ACCEPT);
1976 return(SSL_ERROR_SYSCALL); /* unknown */
1980 if ((i < 0) && SSL_want_write(s))
1982 bio=SSL_get_wbio(s);
1983 if (BIO_should_write(bio))
1984 return(SSL_ERROR_WANT_WRITE);
1985 else if (BIO_should_read(bio))
1986 /* See above (SSL_want_read(s) with BIO_should_write(bio)) */
1987 return(SSL_ERROR_WANT_READ);
1988 else if (BIO_should_io_special(bio))
1990 reason=BIO_get_retry_reason(bio);
1991 if (reason == BIO_RR_CONNECT)
1992 return(SSL_ERROR_WANT_CONNECT);
1993 else if (reason == BIO_RR_ACCEPT)
1994 return(SSL_ERROR_WANT_ACCEPT);
1996 return(SSL_ERROR_SYSCALL);
1999 if ((i < 0) && SSL_want_x509_lookup(s))
2001 return(SSL_ERROR_WANT_X509_LOOKUP);
2006 if (s->version == SSL2_VERSION)
2008 /* assume it is the socket being closed */
2009 return(SSL_ERROR_ZERO_RETURN);
2013 if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) &&
2014 (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY))
2015 return(SSL_ERROR_ZERO_RETURN);
2018 return(SSL_ERROR_SYSCALL);
2021 int SSL_do_handshake(SSL *s)
2025 if (s->handshake_func == NULL)
2027 SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET);
2031 s->method->ssl_renegotiate_check(s);
2033 if (SSL_in_init(s) || SSL_in_before(s))
2035 ret=s->handshake_func(s);
2040 /* For the next 2 functions, SSL_clear() sets shutdown and so
2041 * one of these calls will reset it */
2042 void SSL_set_accept_state(SSL *s)
2046 s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE;
2047 s->handshake_func=s->method->ssl_accept;
2048 /* clear the current cipher */
2049 ssl_clear_cipher_ctx(s);
2052 void SSL_set_connect_state(SSL *s)
2056 s->state=SSL_ST_CONNECT|SSL_ST_BEFORE;
2057 s->handshake_func=s->method->ssl_connect;
2058 /* clear the current cipher */
2059 ssl_clear_cipher_ctx(s);
2062 int ssl_undefined_function(SSL *s)
2064 SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2068 int ssl_undefined_void_function(void)
2070 SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2074 int ssl_undefined_const_function(const SSL *s)
2076 SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2080 SSL_METHOD *ssl_bad_method(int ver)
2082 SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2086 const char *SSL_get_version(const SSL *s)
2088 if (s->version == TLS1_VERSION)
2090 else if (s->version == SSL3_VERSION)
2092 else if (s->version == SSL2_VERSION)
2098 SSL *SSL_dup(SSL *s)
2100 STACK_OF(X509_NAME) *sk;
2105 if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL)
2108 ret->version = s->version;
2109 ret->type = s->type;
2110 ret->method = s->method;
2112 if (s->session != NULL)
2114 /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
2115 SSL_copy_session_id(ret,s);
2119 /* No session has been established yet, so we have to expect
2120 * that s->cert or ret->cert will be changed later --
2121 * they should not both point to the same object,
2122 * and thus we can't use SSL_copy_session_id. */
2124 ret->method->ssl_free(ret);
2125 ret->method = s->method;
2126 ret->method->ssl_new(ret);
2128 if (s->cert != NULL)
2130 if (ret->cert != NULL)
2132 ssl_cert_free(ret->cert);
2134 ret->cert = ssl_cert_dup(s->cert);
2135 if (ret->cert == NULL)
2139 SSL_set_session_id_context(ret,
2140 s->sid_ctx, s->sid_ctx_length);
2143 ret->options=s->options;
2145 SSL_set_max_cert_list(ret,SSL_get_max_cert_list(s));
2146 SSL_set_read_ahead(ret,SSL_get_read_ahead(s));
2147 ret->msg_callback = s->msg_callback;
2148 ret->msg_callback_arg = s->msg_callback_arg;
2149 SSL_set_verify(ret,SSL_get_verify_mode(s),
2150 SSL_get_verify_callback(s));
2151 SSL_set_verify_depth(ret,SSL_get_verify_depth(s));
2152 ret->generate_session_id = s->generate_session_id;
2154 SSL_set_info_callback(ret,SSL_get_info_callback(s));
2156 ret->debug=s->debug;
2158 /* copy app data, a little dangerous perhaps */
2159 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data))
2162 /* setup rbio, and wbio */
2163 if (s->rbio != NULL)
2165 if (!BIO_dup_state(s->rbio,(char *)&ret->rbio))
2168 if (s->wbio != NULL)
2170 if (s->wbio != s->rbio)
2172 if (!BIO_dup_state(s->wbio,(char *)&ret->wbio))
2176 ret->wbio=ret->rbio;
2178 ret->rwstate = s->rwstate;
2179 ret->in_handshake = s->in_handshake;
2180 ret->handshake_func = s->handshake_func;
2181 ret->server = s->server;
2182 ret->new_session = s->new_session;
2183 ret->quiet_shutdown = s->quiet_shutdown;
2184 ret->shutdown=s->shutdown;
2185 ret->state=s->state; /* SSL_dup does not really work at any state, though */
2186 ret->rstate=s->rstate;
2187 ret->init_num = 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */
2190 X509_VERIFY_PARAM_inherit(ret->param, s->param);
2192 /* dup the cipher_list and cipher_list_by_id stacks */
2193 if (s->cipher_list != NULL)
2195 if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)
2198 if (s->cipher_list_by_id != NULL)
2199 if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id))
2203 /* Dup the client_CA list */
2204 if (s->client_CA != NULL)
2206 if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err;
2208 for (i=0; i<sk_X509_NAME_num(sk); i++)
2210 xn=sk_X509_NAME_value(sk,i);
2211 if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL)
2222 if (ret != NULL) SSL_free(ret);
2228 void ssl_clear_cipher_ctx(SSL *s)
2230 if (s->enc_read_ctx != NULL)
2232 EVP_CIPHER_CTX_cleanup(s->enc_read_ctx);
2233 OPENSSL_free(s->enc_read_ctx);
2234 s->enc_read_ctx=NULL;
2236 if (s->enc_write_ctx != NULL)
2238 EVP_CIPHER_CTX_cleanup(s->enc_write_ctx);
2239 OPENSSL_free(s->enc_write_ctx);
2240 s->enc_write_ctx=NULL;
2242 if (s->expand != NULL)
2244 COMP_CTX_free(s->expand);
2247 if (s->compress != NULL)
2249 COMP_CTX_free(s->compress);
2254 /* Fix this function so that it takes an optional type parameter */
2255 X509 *SSL_get_certificate(const SSL *s)
2257 if (s->cert != NULL)
2258 return(s->cert->key->x509);
2263 /* Fix this function so that it takes an optional type parameter */
2264 EVP_PKEY *SSL_get_privatekey(SSL *s)
2266 if (s->cert != NULL)
2267 return(s->cert->key->privatekey);
2272 SSL_CIPHER *SSL_get_current_cipher(const SSL *s)
2274 if ((s->session != NULL) && (s->session->cipher != NULL))
2275 return(s->session->cipher);
2279 const COMP_METHOD *SSL_get_current_compression(SSL *s)
2281 if (s->compress != NULL)
2282 return(s->compress->meth);
2286 const COMP_METHOD *SSL_get_current_expansion(SSL *s)
2288 if (s->expand != NULL)
2289 return(s->expand->meth);
2293 int ssl_init_wbio_buffer(SSL *s,int push)
2297 if (s->bbio == NULL)
2299 bbio=BIO_new(BIO_f_buffer());
2300 if (bbio == NULL) return(0);
2306 if (s->bbio == s->wbio)
2307 s->wbio=BIO_pop(s->wbio);
2309 (void)BIO_reset(bbio);
2310 /* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
2311 if (!BIO_set_read_buffer_size(bbio,1))
2313 SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB);
2318 if (s->wbio != bbio)
2319 s->wbio=BIO_push(bbio,s->wbio);
2323 if (s->wbio == bbio)
2324 s->wbio=BIO_pop(bbio);
2329 void ssl_free_wbio_buffer(SSL *s)
2331 if (s->bbio == NULL) return;
2333 if (s->bbio == s->wbio)
2335 /* remove buffering */
2336 s->wbio=BIO_pop(s->wbio);
2337 #ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */
2338 assert(s->wbio != NULL);
2345 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode)
2347 ctx->quiet_shutdown=mode;
2350 int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx)
2352 return(ctx->quiet_shutdown);
2355 void SSL_set_quiet_shutdown(SSL *s,int mode)
2357 s->quiet_shutdown=mode;
2360 int SSL_get_quiet_shutdown(const SSL *s)
2362 return(s->quiet_shutdown);
2365 void SSL_set_shutdown(SSL *s,int mode)
2370 int SSL_get_shutdown(const SSL *s)
2372 return(s->shutdown);
2375 int SSL_version(const SSL *s)
2380 SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl)
2385 #ifndef OPENSSL_NO_STDIO
2386 int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
2388 return(X509_STORE_set_default_paths(ctx->cert_store));
2391 int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
2394 return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath));
2398 void SSL_set_info_callback(SSL *ssl,
2399 void (*cb)(const SSL *ssl,int type,int val))
2401 ssl->info_callback=cb;
2404 /* One compiler (Diab DCC) doesn't like argument names in returned
2405 function pointer. */
2406 void (*SSL_get_info_callback(const SSL *ssl))(const SSL * /*ssl*/,int /*type*/,int /*val*/)
2408 return ssl->info_callback;
2411 int SSL_state(const SSL *ssl)
2416 void SSL_set_verify_result(SSL *ssl,long arg)
2418 ssl->verify_result=arg;
2421 long SSL_get_verify_result(const SSL *ssl)
2423 return(ssl->verify_result);
2426 int SSL_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
2427 CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
2429 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, argl, argp,
2430 new_func, dup_func, free_func);
2433 int SSL_set_ex_data(SSL *s,int idx,void *arg)
2435 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
2438 void *SSL_get_ex_data(const SSL *s,int idx)
2440 return(CRYPTO_get_ex_data(&s->ex_data,idx));
2443 int SSL_CTX_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
2444 CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
2446 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, argl, argp,
2447 new_func, dup_func, free_func);
2450 int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg)
2452 return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
2455 void *SSL_CTX_get_ex_data(const SSL_CTX *s,int idx)
2457 return(CRYPTO_get_ex_data(&s->ex_data,idx));
2465 X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx)
2467 return(ctx->cert_store);
2470 void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store)
2472 if (ctx->cert_store != NULL)
2473 X509_STORE_free(ctx->cert_store);
2474 ctx->cert_store=store;
2477 int SSL_want(const SSL *s)
2483 * \brief Set the callback for generating temporary RSA keys.
2484 * \param ctx the SSL context.
2485 * \param cb the callback
2488 #ifndef OPENSSL_NO_RSA
2489 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl,
2493 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
2496 void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,
2500 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
2506 * \brief The RSA temporary key callback function.
2507 * \param ssl the SSL session.
2508 * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
2509 * \param keylength if \c is_export is \c TRUE, then \c keylength is the size
2510 * of the required key in bits.
2511 * \return the temporary RSA key.
2512 * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
2515 RSA *cb(SSL *ssl,int is_export,int keylength)
2520 * \brief Set the callback for generating temporary DH keys.
2521 * \param ctx the SSL context.
2522 * \param dh the callback
2525 #ifndef OPENSSL_NO_DH
2526 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export,
2529 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
2532 void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export,
2535 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
2539 #ifndef OPENSSL_NO_ECDH
2540 void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
2543 SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);
2546 void SSL_set_tmp_ecdh_callback(SSL *ssl,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
2549 SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);
2554 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))
2556 SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
2558 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))
2560 SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
2565 #if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16)
2566 #include "../crypto/bio/bss_file.c"
2569 IMPLEMENT_STACK_OF(SSL_CIPHER)
2570 IMPLEMENT_STACK_OF(SSL_COMP)