Symaptic: os/ossrv/ssl/libssl/src/ssl_lib.c@bde4ae8d615e (annotated)

sl@0	1	/*! \file ssl/ssl_lib.c
sl@0	2	* \brief Version independent SSL functions.
sl@0	3	*/
sl@0	4	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
sl@0	5	* All rights reserved.
sl@0	6	*
sl@0	7	* This package is an SSL implementation written
sl@0	8	* by Eric Young (eay@cryptsoft.com).
sl@0	9	* The implementation was written so as to conform with Netscapes SSL.
sl@0	10	*
sl@0	11	* This library is free for commercial and non-commercial use as long as
sl@0	12	* the following conditions are aheared to. The following conditions
sl@0	13	* apply to all code found in this distribution, be it the RC4, RSA,
sl@0	14	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
sl@0	15	* included with this distribution is covered by the same copyright terms
sl@0	16	* except that the holder is Tim Hudson (tjh@cryptsoft.com).
sl@0	17	*
sl@0	18	* Copyright remains Eric Young's, and as such any Copyright notices in
sl@0	19	* the code are not to be removed.
sl@0	20	* If this package is used in a product, Eric Young should be given attribution
sl@0	21	* as the author of the parts of the library used.
sl@0	22	* This can be in the form of a textual message at program startup or
sl@0	23	* in documentation (online or textual) provided with the package.
sl@0	24	*
sl@0	25	* Redistribution and use in source and binary forms, with or without
sl@0	26	* modification, are permitted provided that the following conditions
sl@0	27	* are met:
sl@0	28	* 1. Redistributions of source code must retain the copyright
sl@0	29	* notice, this list of conditions and the following disclaimer.
sl@0	30	* 2. Redistributions in binary form must reproduce the above copyright
sl@0	31	* notice, this list of conditions and the following disclaimer in the
sl@0	32	* documentation and/or other materials provided with the distribution.
sl@0	33	* 3. All advertising materials mentioning features or use of this software
sl@0	34	* must display the following acknowledgement:
sl@0	35	* "This product includes cryptographic software written by
sl@0	36	* Eric Young (eay@cryptsoft.com)"
sl@0	37	* The word 'cryptographic' can be left out if the rouines from the library
sl@0	38	* being used are not cryptographic related :-).
sl@0	39	* 4. If you include any Windows specific code (or a derivative thereof) from
sl@0	40	* the apps directory (application code) you must include an acknowledgement:
sl@0	41	* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
sl@0	42	*
sl@0	43	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
sl@0	44	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0	45	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0	46	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
sl@0	47	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
sl@0	48	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
sl@0	49	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0	50	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
sl@0	51	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
sl@0	52	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
sl@0	53	* SUCH DAMAGE.
sl@0	54	*
sl@0	55	* The licence and distribution terms for any publically available version or
sl@0	56	* derivative of this code cannot be changed. i.e. this code cannot simply be
sl@0	57	* copied and put under another distribution licence
sl@0	58	* [including the GNU Public Licence.]
sl@0	59	*/
sl@0	60	/* ====================================================================
sl@0	61	* Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
sl@0	62	*
sl@0	63	* Redistribution and use in source and binary forms, with or without
sl@0	64	* modification, are permitted provided that the following conditions
sl@0	65	* are met:
sl@0	66	*
sl@0	67	* 1. Redistributions of source code must retain the above copyright
sl@0	68	* notice, this list of conditions and the following disclaimer.
sl@0	69	*
sl@0	70	* 2. Redistributions in binary form must reproduce the above copyright
sl@0	71	* notice, this list of conditions and the following disclaimer in
sl@0	72	* the documentation and/or other materials provided with the
sl@0	73	* distribution.
sl@0	74	*
sl@0	75	* 3. All advertising materials mentioning features or use of this
sl@0	76	* software must display the following acknowledgment:
sl@0	77	* "This product includes software developed by the OpenSSL Project
sl@0	78	* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
sl@0	79	*
sl@0	80	* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
sl@0	81	* endorse or promote products derived from this software without
sl@0	82	* prior written permission. For written permission, please contact
sl@0	83	* openssl-core@openssl.org.
sl@0	84	*
sl@0	85	* 5. Products derived from this software may not be called "OpenSSL"
sl@0	86	* nor may "OpenSSL" appear in their names without prior written
sl@0	87	* permission of the OpenSSL Project.
sl@0	88	*
sl@0	89	* 6. Redistributions of any form whatsoever must retain the following
sl@0	90	* acknowledgment:
sl@0	91	* "This product includes software developed by the OpenSSL Project
sl@0	92	* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
sl@0	93	*
sl@0	94	* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
sl@0	95	* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0	96	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
sl@0	97	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
sl@0	98	* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
sl@0	99	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
sl@0	100	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
sl@0	101	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0	102	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
sl@0	103	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
sl@0	104	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
sl@0	105	* OF THE POSSIBILITY OF SUCH DAMAGE.
sl@0	106	* ====================================================================
sl@0	107	*
sl@0	108	* This product includes cryptographic software written by Eric Young
sl@0	109	* (eay@cryptsoft.com). This product includes software written by Tim
sl@0	110	* Hudson (tjh@cryptsoft.com).
sl@0	111	*
sl@0	112	*/
sl@0	113	/* ====================================================================
sl@0	114	* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
sl@0	115	* ECC cipher suite support in OpenSSL originally developed by
sl@0	116	* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
sl@0	117	*/
sl@0	118	/*
sl@0	119	© Portions copyright (c) 2006 Nokia Corporation. All rights reserved.
sl@0	120	*/
sl@0	121
sl@0	122	#ifdef REF_CHECK
sl@0	123	# include <assert.h>
sl@0	124	#endif
sl@0	125	#include <stdio.h>
sl@0	126	#include "ssl_locl.h"
sl@0	127	#include "kssl_lcl.h"
sl@0	128	#include <openssl/objects.h>
sl@0	129	#include <openssl/lhash.h>
sl@0	130	#include <openssl/x509v3.h>
sl@0	131	#ifndef OPENSSL_NO_DH
sl@0	132	#include <openssl/dh.h>
sl@0	133	#endif
sl@0	134
sl@0	135	#ifdef EMULATOR
sl@0	136	#include "libssl_wsd.h"
sl@0	137	#endif
sl@0	138
sl@0	139	const char *SSL_version_str=OPENSSL_VERSION_TEXT;
sl@0	140
sl@0	141	#ifdef EMULATOR
sl@0	142	GET_GLOBAL_VAR_FROM_TLS(ssl3_undef_enc_method,ssl_lib,SSL3_ENC_METHOD)
sl@0	143
sl@0	144	#define ssl3_undef_enc_method (GET_WSD_VAR_NAME(ssl3_undef_enc_method,ssl_lib,g)())
sl@0	145	#endif
sl@0	146
sl@0	147	#ifndef EMULATOR
sl@0	148	SSL3_ENC_METHOD ssl3_undef_enc_method={
sl@0	149	#else
sl@0	150	const SSL3_ENC_METHOD temp_ssl3_undef_enc_method={
sl@0	151	#endif
sl@0	152	/* evil casts, but these functions are only called if there's a library bug */
sl@0	153	(int ()(SSL ,int))ssl_undefined_function,
sl@0	154	(int ()(SSL , unsigned char *, int))ssl_undefined_function,
sl@0	155	ssl_undefined_function,
sl@0	156	(int ()(SSL , unsigned char , unsigned char , int))ssl_undefined_function,
sl@0	157	(int ()(SSL, int))ssl_undefined_function,
sl@0	158	(int ()(SSL , EVP_MD_CTX , EVP_MD_CTX , const char, int, unsigned char ))ssl_undefined_function,
sl@0	159	0, /* finish_mac_length */
sl@0	160	(int ()(SSL , EVP_MD_CTX , unsigned char ))ssl_undefined_function,
sl@0	161	NULL, /* client_finished_label */
sl@0	162	0, /* client_finished_label_len */
sl@0	163	NULL, /* server_finished_label */
sl@0	164	0, /* server_finished_label_len */
sl@0	165	(int (*)(int))ssl_undefined_function
sl@0	166	};
sl@0	167
sl@0	168	EXPORT_C int SSL_clear(SSL *s)
sl@0	169	{
sl@0	170
sl@0	171	if (s->method == NULL)
sl@0	172	{
sl@0	173	SSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED);
sl@0	174	return(0);
sl@0	175	}
sl@0	176
sl@0	177	if (ssl_clear_bad_session(s))
sl@0	178	{
sl@0	179	SSL_SESSION_free(s->session);
sl@0	180	s->session=NULL;
sl@0	181	}
sl@0	182
sl@0	183	s->error=0;
sl@0	184	s->hit=0;
sl@0	185	s->shutdown=0;
sl@0	186
sl@0	187	#if 0 /* Disabled since version 1.10 of this file (early return not
sl@0	188	* needed because SSL_clear is not called when doing renegotiation) */
sl@0	189	/* This is set if we are doing dynamic renegotiation so keep
sl@0	190	* the old cipher. It is sort of a SSL_clear_lite :-) */
sl@0	191	if (s->new_session) return(1);
sl@0	192	#else
sl@0	193	if (s->new_session)
sl@0	194	{
sl@0	195	SSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR);
sl@0	196	return 0;
sl@0	197	}
sl@0	198	#endif
sl@0	199
sl@0	200	s->type=0;
sl@0	201
sl@0	202	s->state=SSL_ST_BEFORE\|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);
sl@0	203
sl@0	204	s->version=s->method->version;
sl@0	205	s->client_version=s->version;
sl@0	206	s->rwstate=SSL_NOTHING;
sl@0	207	s->rstate=SSL_ST_READ_HEADER;
sl@0	208	#if 0
sl@0	209	s->read_ahead=s->ctx->read_ahead;
sl@0	210	#endif
sl@0	211
sl@0	212	if (s->init_buf != NULL)
sl@0	213	{
sl@0	214	BUF_MEM_free(s->init_buf);
sl@0	215	s->init_buf=NULL;
sl@0	216	}
sl@0	217
sl@0	218	ssl_clear_cipher_ctx(s);
sl@0	219
sl@0	220	s->first_packet=0;
sl@0	221
sl@0	222	#if 1
sl@0	223	/* Check to see if we were changed into a different method, if
sl@0	224	* so, revert back if we are not doing session-id reuse. */
sl@0	225	if (!s->in_handshake && (s->session == NULL) && (s->method != s->ctx->method))
sl@0	226	{
sl@0	227	s->method->ssl_free(s);
sl@0	228	s->method=s->ctx->method;
sl@0	229	if (!s->method->ssl_new(s))
sl@0	230	return(0);
sl@0	231	}
sl@0	232	else
sl@0	233	#endif
sl@0	234	s->method->ssl_clear(s);
sl@0	235	return(1);
sl@0	236	}
sl@0	237
sl@0	238	/** Used to change an SSL_CTXs default SSL method type */
sl@0	239	EXPORT_C int SSL_CTX_set_ssl_version(SSL_CTX ctx,SSL_METHOD meth)
sl@0	240	{
sl@0	241	STACK_OF(SSL_CIPHER) *sk;
sl@0	242
sl@0	243	ctx->method=meth;
sl@0	244
sl@0	245	sk=ssl_create_cipher_list(ctx->method,&(ctx->cipher_list),
sl@0	246	&(ctx->cipher_list_by_id),SSL_DEFAULT_CIPHER_LIST);
sl@0	247	if ((sk == NULL) \|\| (sk_SSL_CIPHER_num(sk) <= 0))
sl@0	248	{
sl@0	249	SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
sl@0	250	return(0);
sl@0	251	}
sl@0	252	return(1);
sl@0	253	}
sl@0	254
sl@0	255	EXPORT_C SSL SSL_new(SSL_CTX ctx)
sl@0	256	{
sl@0	257	SSL *s;
sl@0	258
sl@0	259	if (ctx == NULL)
sl@0	260	{
sl@0	261	SSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX);
sl@0	262	return(NULL);
sl@0	263	}
sl@0	264	if (ctx->method == NULL)
sl@0	265	{
sl@0	266	SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);
sl@0	267	return(NULL);
sl@0	268	}
sl@0	269
sl@0	270	s=(SSL *)OPENSSL_malloc(sizeof(SSL));
sl@0	271	if (s == NULL) goto err;
sl@0	272	memset(s,0,sizeof(SSL));
sl@0	273
sl@0	274	#ifndef OPENSSL_NO_KRB5
sl@0	275	s->kssl_ctx = kssl_ctx_new();
sl@0	276	#endif /* OPENSSL_NO_KRB5 */
sl@0	277
sl@0	278	s->options=ctx->options;
sl@0	279	s->mode=ctx->mode;
sl@0	280	s->max_cert_list=ctx->max_cert_list;
sl@0	281
sl@0	282	if (ctx->cert != NULL)
sl@0	283	{
sl@0	284	/* Earlier library versions used to copy the pointer to
sl@0	285	* the CERT, not its contents; only when setting new
sl@0	286	* parameters for the per-SSL copy, ssl_cert_new would be
sl@0	287	* called (and the direct reference to the per-SSL_CTX
sl@0	288	* settings would be lost, but those still were indirectly
sl@0	289	* accessed for various purposes, and for that reason they
sl@0	290	* used to be known as s->ctx->default_cert).
sl@0	291	* Now we don't look at the SSL_CTX's CERT after having
sl@0	292	* duplicated it once. */
sl@0	293
sl@0	294	s->cert = ssl_cert_dup(ctx->cert);
sl@0	295	if (s->cert == NULL)
sl@0	296	goto err;
sl@0	297	}
sl@0	298	else
sl@0	299	s->cert=NULL; /* Cannot really happen (see SSL_CTX_new) */
sl@0	300
sl@0	301	s->read_ahead=ctx->read_ahead;
sl@0	302	s->msg_callback=ctx->msg_callback;
sl@0	303	s->msg_callback_arg=ctx->msg_callback_arg;
sl@0	304	s->verify_mode=ctx->verify_mode;
sl@0	305	#if 0
sl@0	306	s->verify_depth=ctx->verify_depth;
sl@0	307	#endif
sl@0	308	s->sid_ctx_length=ctx->sid_ctx_length;
sl@0	309	OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx);
sl@0	310	memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));
sl@0	311	s->verify_callback=ctx->default_verify_callback;
sl@0	312	s->generate_session_id=ctx->generate_session_id;
sl@0	313
sl@0	314	s->param = X509_VERIFY_PARAM_new();
sl@0	315	if (!s->param)
sl@0	316	goto err;
sl@0	317	X509_VERIFY_PARAM_inherit(s->param, ctx->param);
sl@0	318	#if 0
sl@0	319	s->purpose = ctx->purpose;
sl@0	320	s->trust = ctx->trust;
sl@0	321	#endif
sl@0	322	s->quiet_shutdown=ctx->quiet_shutdown;
sl@0	323
sl@0	324	CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
sl@0	325	s->ctx=ctx;
sl@0	326
sl@0	327	s->verify_result=X509_V_OK;
sl@0	328
sl@0	329	s->method=ctx->method;
sl@0	330
sl@0	331	if (!s->method->ssl_new(s))
sl@0	332	goto err;
sl@0	333
sl@0	334	s->references=1;
sl@0	335	s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;
sl@0	336
sl@0	337	SSL_clear(s);
sl@0	338
sl@0	339	CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
sl@0	340
sl@0	341	return(s);
sl@0	342	err:
sl@0	343	if (s != NULL)
sl@0	344	{
sl@0	345	if (s->cert != NULL)
sl@0	346	ssl_cert_free(s->cert);
sl@0	347	if (s->ctx != NULL)
sl@0	348	SSL_CTX_free(s->ctx); /* decrement reference count */
sl@0	349	OPENSSL_free(s);
sl@0	350	}
sl@0	351	SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);
sl@0	352	return(NULL);
sl@0	353	}
sl@0	354
sl@0	355	EXPORT_C int SSL_CTX_set_session_id_context(SSL_CTX ctx,const unsigned char sid_ctx,
sl@0	356	unsigned int sid_ctx_len)
sl@0	357	{
sl@0	358	if(sid_ctx_len > sizeof ctx->sid_ctx)
sl@0	359	{
sl@0	360	SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
sl@0	361	return 0;
sl@0	362	}
sl@0	363	ctx->sid_ctx_length=sid_ctx_len;
sl@0	364	memcpy(ctx->sid_ctx,sid_ctx,sid_ctx_len);
sl@0	365
sl@0	366	return 1;
sl@0	367	}
sl@0	368
sl@0	369	EXPORT_C int SSL_set_session_id_context(SSL ssl,const unsigned char sid_ctx,
sl@0	370	unsigned int sid_ctx_len)
sl@0	371	{
sl@0	372	if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
sl@0	373	{
sl@0	374	SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
sl@0	375	return 0;
sl@0	376	}
sl@0	377	ssl->sid_ctx_length=sid_ctx_len;
sl@0	378	memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len);
sl@0	379
sl@0	380	return 1;
sl@0	381	}
sl@0	382
sl@0	383	EXPORT_C int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb)
sl@0	384	{
sl@0	385	CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
sl@0	386	ctx->generate_session_id = cb;
sl@0	387	CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
sl@0	388	return 1;
sl@0	389	}
sl@0	390
sl@0	391	EXPORT_C int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb)
sl@0	392	{
sl@0	393	CRYPTO_w_lock(CRYPTO_LOCK_SSL);
sl@0	394	ssl->generate_session_id = cb;
sl@0	395	CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
sl@0	396	return 1;
sl@0	397	}
sl@0	398
sl@0	399	EXPORT_C int SSL_has_matching_session_id(const SSL ssl, const unsigned char id,
sl@0	400	unsigned int id_len)
sl@0	401	{
sl@0	402	/* A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
sl@0	403	* we can "construct" a session to give us the desired check - ie. to
sl@0	404	* find if there's a session in the hash table that would conflict with
sl@0	405	* any new session built out of this id/id_len and the ssl_version in
sl@0	406	* use by this SSL. */
sl@0	407	SSL_SESSION r, *p;
sl@0	408
sl@0	409	if(id_len > sizeof r.session_id)
sl@0	410	return 0;
sl@0	411
sl@0	412	r.ssl_version = ssl->version;
sl@0	413	r.session_id_length = id_len;
sl@0	414	memcpy(r.session_id, id, id_len);
sl@0	415	/* NB: SSLv2 always uses a fixed 16-byte session ID, so even if a
sl@0	416	* callback is calling us to check the uniqueness of a shorter ID, it
sl@0	417	* must be compared as a padded-out ID because that is what it will be
sl@0	418	* converted to when the callback has finished choosing it. */
sl@0	419	if((r.ssl_version == SSL2_VERSION) &&
sl@0	420	(id_len < SSL2_SSL_SESSION_ID_LENGTH))
sl@0	421	{
sl@0	422	memset(r.session_id + id_len, 0,
sl@0	423	SSL2_SSL_SESSION_ID_LENGTH - id_len);
sl@0	424	r.session_id_length = SSL2_SSL_SESSION_ID_LENGTH;
sl@0	425	}
sl@0	426
sl@0	427	CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
sl@0	428	p = (SSL_SESSION *)lh_retrieve(ssl->ctx->sessions, &r);
sl@0	429	CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
sl@0	430	return (p != NULL);
sl@0	431	}
sl@0	432
sl@0	433	EXPORT_C int SSL_CTX_set_purpose(SSL_CTX *s, int purpose)
sl@0	434	{
sl@0	435	return X509_VERIFY_PARAM_set_purpose(s->param, purpose);
sl@0	436	}
sl@0	437
sl@0	438	EXPORT_C int SSL_set_purpose(SSL *s, int purpose)
sl@0	439	{
sl@0	440	return X509_VERIFY_PARAM_set_purpose(s->param, purpose);
sl@0	441	}
sl@0	442
sl@0	443	EXPORT_C int SSL_CTX_set_trust(SSL_CTX *s, int trust)
sl@0	444	{
sl@0	445	return X509_VERIFY_PARAM_set_trust(s->param, trust);
sl@0	446	}
sl@0	447
sl@0	448	EXPORT_C int SSL_set_trust(SSL *s, int trust)
sl@0	449	{
sl@0	450	return X509_VERIFY_PARAM_set_trust(s->param, trust);
sl@0	451	}
sl@0	452
sl@0	453	EXPORT_C void SSL_free(SSL *s)
sl@0	454	{
sl@0	455	int i;
sl@0	456
sl@0	457	if(s == NULL)
sl@0	458	return;
sl@0	459
sl@0	460	i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL);
sl@0	461	#ifdef REF_PRINT
sl@0	462	REF_PRINT("SSL",s);
sl@0	463	#endif
sl@0	464	if (i > 0) return;
sl@0	465	#ifdef REF_CHECK
sl@0	466	if (i < 0)
sl@0	467	{
sl@0	468	fprintf(stderr,"SSL_free, bad reference count\n");
sl@0	469	abort(); /* ok */
sl@0	470	}
sl@0	471	#endif
sl@0	472
sl@0	473	if (s->param)
sl@0	474	X509_VERIFY_PARAM_free(s->param);
sl@0	475
sl@0	476	CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
sl@0	477
sl@0	478	if (s->bbio != NULL)
sl@0	479	{
sl@0	480	/* If the buffering BIO is in place, pop it off */
sl@0	481	if (s->bbio == s->wbio)
sl@0	482	{
sl@0	483	s->wbio=BIO_pop(s->wbio);
sl@0	484	}
sl@0	485	BIO_free(s->bbio);
sl@0	486	s->bbio=NULL;
sl@0	487	}
sl@0	488	if (s->rbio != NULL)
sl@0	489	BIO_free_all(s->rbio);
sl@0	490	if ((s->wbio != NULL) && (s->wbio != s->rbio))
sl@0	491	BIO_free_all(s->wbio);
sl@0	492
sl@0	493	if (s->init_buf != NULL) BUF_MEM_free(s->init_buf);
sl@0	494
sl@0	495	/* add extra stuff */
sl@0	496	if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list);
sl@0	497	if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id);
sl@0	498
sl@0	499	/* Make the next call work :-) */
sl@0	500	if (s->session != NULL)
sl@0	501	{
sl@0	502	ssl_clear_bad_session(s);
sl@0	503	SSL_SESSION_free(s->session);
sl@0	504	}
sl@0	505
sl@0	506	ssl_clear_cipher_ctx(s);
sl@0	507
sl@0	508	if (s->cert != NULL) ssl_cert_free(s->cert);
sl@0	509	/* Free up if allocated */
sl@0	510
sl@0	511	if (s->ctx) SSL_CTX_free(s->ctx);
sl@0	512	if (s->client_CA != NULL)
sl@0	513	sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free);
sl@0	514
sl@0	515	if (s->method != NULL) s->method->ssl_free(s);
sl@0	516
sl@0	517	#ifndef OPENSSL_NO_KRB5
sl@0	518	if (s->kssl_ctx != NULL)
sl@0	519	kssl_ctx_free(s->kssl_ctx);
sl@0	520	#endif /* OPENSSL_NO_KRB5 */
sl@0	521
sl@0	522	OPENSSL_free(s);
sl@0	523	}
sl@0	524
sl@0	525	EXPORT_C void SSL_set_bio(SSL s,BIO rbio,BIO *wbio)
sl@0	526	{
sl@0	527	/* If the output buffering BIO is still in place, remove it
sl@0	528	*/
sl@0	529	if (s->bbio != NULL)
sl@0	530	{
sl@0	531	if (s->wbio == s->bbio)
sl@0	532	{
sl@0	533	s->wbio=s->wbio->next_bio;
sl@0	534	s->bbio->next_bio=NULL;
sl@0	535	}
sl@0	536	}
sl@0	537	if ((s->rbio != NULL) && (s->rbio != rbio))
sl@0	538	BIO_free_all(s->rbio);
sl@0	539	if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio))
sl@0	540	BIO_free_all(s->wbio);
sl@0	541	s->rbio=rbio;
sl@0	542	s->wbio=wbio;
sl@0	543	}
sl@0	544
sl@0	545	EXPORT_C BIO SSL_get_rbio(const SSL s)
sl@0	546	{ return(s->rbio); }
sl@0	547
sl@0	548	EXPORT_C BIO SSL_get_wbio(const SSL s)
sl@0	549	{ return(s->wbio); }
sl@0	550
sl@0	551	EXPORT_C int SSL_get_fd(const SSL *s)
sl@0	552	{
sl@0	553	return(SSL_get_rfd(s));
sl@0	554	}
sl@0	555
sl@0	556	EXPORT_C int SSL_get_rfd(const SSL *s)
sl@0	557	{
sl@0	558	int ret= -1;
sl@0	559	BIO b,r;
sl@0	560
sl@0	561	b=SSL_get_rbio(s);
sl@0	562	r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
sl@0	563	if (r != NULL)
sl@0	564	BIO_get_fd(r,&ret);
sl@0	565	return(ret);
sl@0	566	}
sl@0	567
sl@0	568	EXPORT_C int SSL_get_wfd(const SSL *s)
sl@0	569	{
sl@0	570	int ret= -1;
sl@0	571	BIO b,r;
sl@0	572
sl@0	573	b=SSL_get_wbio(s);
sl@0	574	r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR);
sl@0	575	if (r != NULL)
sl@0	576	BIO_get_fd(r,&ret);
sl@0	577	return(ret);
sl@0	578	}
sl@0	579
sl@0	580	#ifndef OPENSSL_NO_SOCK
sl@0	581	EXPORT_C int SSL_set_fd(SSL *s,int fd)
sl@0	582	{
sl@0	583	int ret=0;
sl@0	584	BIO *bio=NULL;
sl@0	585
sl@0	586	bio=BIO_new(BIO_s_socket());
sl@0	587
sl@0	588	if (bio == NULL)
sl@0	589	{
sl@0	590	SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB);
sl@0	591	goto err;
sl@0	592	}
sl@0	593	BIO_set_fd(bio,fd,BIO_NOCLOSE);
sl@0	594	SSL_set_bio(s,bio,bio);
sl@0	595	ret=1;
sl@0	596	err:
sl@0	597	return(ret);
sl@0	598	}
sl@0	599
sl@0	600	EXPORT_C int SSL_set_wfd(SSL *s,int fd)
sl@0	601	{
sl@0	602	int ret=0;
sl@0	603	BIO *bio=NULL;
sl@0	604
sl@0	605	if ((s->rbio == NULL) \|\| (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET)
sl@0	606	\|\| ((int)BIO_get_fd(s->rbio,NULL) != fd))
sl@0	607	{
sl@0	608	bio=BIO_new(BIO_s_socket());
sl@0	609
sl@0	610	if (bio == NULL)
sl@0	611	{ SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; }
sl@0	612	BIO_set_fd(bio,fd,BIO_NOCLOSE);
sl@0	613	SSL_set_bio(s,SSL_get_rbio(s),bio);
sl@0	614	}
sl@0	615	else
sl@0	616	SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s));
sl@0	617	ret=1;
sl@0	618	err:
sl@0	619	return(ret);
sl@0	620	}
sl@0	621
sl@0	622	EXPORT_C int SSL_set_rfd(SSL *s,int fd)
sl@0	623	{
sl@0	624	int ret=0;
sl@0	625	BIO *bio=NULL;
sl@0	626
sl@0	627	if ((s->wbio == NULL) \|\| (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET)
sl@0	628	\|\| ((int)BIO_get_fd(s->wbio,NULL) != fd))
sl@0	629	{
sl@0	630	bio=BIO_new(BIO_s_socket());
sl@0	631
sl@0	632	if (bio == NULL)
sl@0	633	{
sl@0	634	SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB);
sl@0	635	goto err;
sl@0	636	}
sl@0	637	BIO_set_fd(bio,fd,BIO_NOCLOSE);
sl@0	638	SSL_set_bio(s,bio,SSL_get_wbio(s));
sl@0	639	}
sl@0	640	else
sl@0	641	SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s));
sl@0	642	ret=1;
sl@0	643	err:
sl@0	644	return(ret);
sl@0	645	}
sl@0	646	#endif
sl@0	647
sl@0	648
sl@0	649	/* return length of latest Finished message we sent, copy to 'buf' */
sl@0	650	EXPORT_C size_t SSL_get_finished(const SSL s, void buf, size_t count)
sl@0	651	{
sl@0	652	size_t ret = 0;
sl@0	653
sl@0	654	if (s->s3 != NULL)
sl@0	655	{
sl@0	656	ret = s->s3->tmp.finish_md_len;
sl@0	657	if (count > ret)
sl@0	658	count = ret;
sl@0	659	memcpy(buf, s->s3->tmp.finish_md, count);
sl@0	660	}
sl@0	661	return ret;
sl@0	662	}
sl@0	663
sl@0	664	/* return length of latest Finished message we expected, copy to 'buf' */
sl@0	665	EXPORT_C size_t SSL_get_peer_finished(const SSL s, void buf, size_t count)
sl@0	666	{
sl@0	667	size_t ret = 0;
sl@0	668
sl@0	669	if (s->s3 != NULL)
sl@0	670	{
sl@0	671	ret = s->s3->tmp.peer_finish_md_len;
sl@0	672	if (count > ret)
sl@0	673	count = ret;
sl@0	674	memcpy(buf, s->s3->tmp.peer_finish_md, count);
sl@0	675	}
sl@0	676	return ret;
sl@0	677	}
sl@0	678
sl@0	679
sl@0	680	EXPORT_C int SSL_get_verify_mode(const SSL *s)
sl@0	681	{
sl@0	682	return(s->verify_mode);
sl@0	683	}
sl@0	684
sl@0	685	EXPORT_C int SSL_get_verify_depth(const SSL *s)
sl@0	686	{
sl@0	687	return X509_VERIFY_PARAM_get_depth(s->param);
sl@0	688	}
sl@0	689
sl@0	690	EXPORT_C int (SSL_get_verify_callback(const SSL s))(int,X509_STORE_CTX *)
sl@0	691	{
sl@0	692	return(s->verify_callback);
sl@0	693	}
sl@0	694
sl@0	695	EXPORT_C int SSL_CTX_get_verify_mode(const SSL_CTX *ctx)
sl@0	696	{
sl@0	697	return(ctx->verify_mode);
sl@0	698	}
sl@0	699
sl@0	700	EXPORT_C int SSL_CTX_get_verify_depth(const SSL_CTX *ctx)
sl@0	701	{
sl@0	702	return X509_VERIFY_PARAM_get_depth(ctx->param);
sl@0	703	}
sl@0	704
sl@0	705	EXPORT_C int (SSL_CTX_get_verify_callback(const SSL_CTX ctx))(int,X509_STORE_CTX *)
sl@0	706	{
sl@0	707	return(ctx->default_verify_callback);
sl@0	708	}
sl@0	709
sl@0	710	EXPORT_C void SSL_set_verify(SSL *s,int mode,
sl@0	711	int (callback)(int ok,X509_STORE_CTX ctx))
sl@0	712	{
sl@0	713	s->verify_mode=mode;
sl@0	714	if (callback != NULL)
sl@0	715	s->verify_callback=callback;
sl@0	716	}
sl@0	717
sl@0	718	EXPORT_C void SSL_set_verify_depth(SSL *s,int depth)
sl@0	719	{
sl@0	720	X509_VERIFY_PARAM_set_depth(s->param, depth);
sl@0	721	}
sl@0	722
sl@0	723	EXPORT_C void SSL_set_read_ahead(SSL *s,int yes)
sl@0	724	{
sl@0	725	s->read_ahead=yes;
sl@0	726	}
sl@0	727
sl@0	728	EXPORT_C int SSL_get_read_ahead(const SSL *s)
sl@0	729	{
sl@0	730	return(s->read_ahead);
sl@0	731	}
sl@0	732
sl@0	733	EXPORT_C int SSL_pending(const SSL *s)
sl@0	734	{
sl@0	735	/* SSL_pending cannot work properly if read-ahead is enabled
sl@0	736	* (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)),
sl@0	737	* and it is impossible to fix since SSL_pending cannot report
sl@0	738	* errors that may be observed while scanning the new data.
sl@0	739	* (Note that SSL_pending() is often used as a boolean value,
sl@0	740	* so we'd better not return -1.)
sl@0	741	*/
sl@0	742	return(s->method->ssl_pending(s));
sl@0	743	}
sl@0	744
sl@0	745	EXPORT_C X509 SSL_get_peer_certificate(const SSL s)
sl@0	746	{
sl@0	747	X509 *r;
sl@0	748
sl@0	749	if ((s == NULL) \|\| (s->session == NULL))
sl@0	750	r=NULL;
sl@0	751	else
sl@0	752	r=s->session->peer;
sl@0	753
sl@0	754	if (r == NULL) return(r);
sl@0	755
sl@0	756	CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509);
sl@0	757
sl@0	758	return(r);
sl@0	759	}
sl@0	760
sl@0	761	EXPORT_C STACK_OF(X509) SSL_get_peer_cert_chain(const SSL s)
sl@0	762	{
sl@0	763	STACK_OF(X509) *r;
sl@0	764
sl@0	765	if ((s == NULL) \|\| (s->session == NULL) \|\| (s->session->sess_cert == NULL))
sl@0	766	r=NULL;
sl@0	767	else
sl@0	768	r=s->session->sess_cert->cert_chain;
sl@0	769
sl@0	770	/* If we are a client, cert_chain includes the peer's own
sl@0	771	* certificate; if we are a server, it does not. */
sl@0	772
sl@0	773	return(r);
sl@0	774	}
sl@0	775
sl@0	776	/* Now in theory, since the calling process own 't' it should be safe to
sl@0	777	* modify. We need to be able to read f without being hassled */
sl@0	778	EXPORT_C void SSL_copy_session_id(SSL t,const SSL f)
sl@0	779	{
sl@0	780	CERT *tmp;
sl@0	781
sl@0	782	/* Do we need to to SSL locking? */
sl@0	783	SSL_set_session(t,SSL_get_session(f));
sl@0	784
sl@0	785	/* what if we are setup as SSLv2 but want to talk SSLv3 or
sl@0	786	* vice-versa */
sl@0	787	if (t->method != f->method)
sl@0	788	{
sl@0	789	t->method->ssl_free(t); /* cleanup current */
sl@0	790	t->method=f->method; /* change method */
sl@0	791	t->method->ssl_new(t); /* setup new */
sl@0	792	}
sl@0	793
sl@0	794	tmp=t->cert;
sl@0	795	if (f->cert != NULL)
sl@0	796	{
sl@0	797	CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT);
sl@0	798	t->cert=f->cert;
sl@0	799	}
sl@0	800	else
sl@0	801	t->cert=NULL;
sl@0	802	if (tmp != NULL) ssl_cert_free(tmp);
sl@0	803	SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length);
sl@0	804	}
sl@0	805
sl@0	806	/* Fix this so it checks all the valid key/cert options */
sl@0	807	EXPORT_C int SSL_CTX_check_private_key(const SSL_CTX *ctx)
sl@0	808	{
sl@0	809	if ( (ctx == NULL) \|\|
sl@0	810	(ctx->cert == NULL) \|\|
sl@0	811	(ctx->cert->key->x509 == NULL))
sl@0	812	{
sl@0	813	SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
sl@0	814	return(0);
sl@0	815	}
sl@0	816	if (ctx->cert->key->privatekey == NULL)
sl@0	817	{
sl@0	818	SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
sl@0	819	return(0);
sl@0	820	}
sl@0	821	return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey));
sl@0	822	}
sl@0	823
sl@0	824	/* Fix this function so that it takes an optional type parameter */
sl@0	825	EXPORT_C int SSL_check_private_key(const SSL *ssl)
sl@0	826	{
sl@0	827	if (ssl == NULL)
sl@0	828	{
sl@0	829	SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER);
sl@0	830	return(0);
sl@0	831	}
sl@0	832	if (ssl->cert == NULL)
sl@0	833	{
sl@0	834	SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
sl@0	835	return 0;
sl@0	836	}
sl@0	837	if (ssl->cert->key->x509 == NULL)
sl@0	838	{
sl@0	839	SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
sl@0	840	return(0);
sl@0	841	}
sl@0	842	if (ssl->cert->key->privatekey == NULL)
sl@0	843	{
sl@0	844	SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED);
sl@0	845	return(0);
sl@0	846	}
sl@0	847	return(X509_check_private_key(ssl->cert->key->x509,
sl@0	848	ssl->cert->key->privatekey));
sl@0	849	}
sl@0	850
sl@0	851	EXPORT_C int SSL_accept(SSL *s)
sl@0	852	{
sl@0	853	if (s->handshake_func == 0)
sl@0	854	/* Not properly initialized yet */
sl@0	855	SSL_set_accept_state(s);
sl@0	856
sl@0	857	return(s->method->ssl_accept(s));
sl@0	858	}
sl@0	859
sl@0	860	EXPORT_C int SSL_connect(SSL *s)
sl@0	861	{
sl@0	862	if (s->handshake_func == 0)
sl@0	863	/* Not properly initialized yet */
sl@0	864	SSL_set_connect_state(s);
sl@0	865
sl@0	866	return(s->method->ssl_connect(s));
sl@0	867	}
sl@0	868
sl@0	869	EXPORT_C long SSL_get_default_timeout(const SSL *s)
sl@0	870	{
sl@0	871	return(s->method->get_timeout());
sl@0	872	}
sl@0	873
sl@0	874	EXPORT_C int SSL_read(SSL s,void buf,int num)
sl@0	875	{
sl@0	876	if (s->handshake_func == 0)
sl@0	877	{
sl@0	878	SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
sl@0	879	return -1;
sl@0	880	}
sl@0	881
sl@0	882	if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
sl@0	883	{
sl@0	884	s->rwstate=SSL_NOTHING;
sl@0	885	return(0);
sl@0	886	}
sl@0	887	return(s->method->ssl_read(s,buf,num));
sl@0	888	}
sl@0	889
sl@0	890	EXPORT_C int SSL_peek(SSL s,void buf,int num)
sl@0	891	{
sl@0	892	if (s->handshake_func == 0)
sl@0	893	{
sl@0	894	SSLerr(SSL_F_SSL_PEEK, SSL_R_UNINITIALIZED);
sl@0	895	return -1;
sl@0	896	}
sl@0	897
sl@0	898	if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
sl@0	899	{
sl@0	900	return(0);
sl@0	901	}
sl@0	902	return(s->method->ssl_peek(s,buf,num));
sl@0	903	}
sl@0	904
sl@0	905	EXPORT_C int SSL_write(SSL s,const void buf,int num)
sl@0	906	{
sl@0	907	if (s->handshake_func == 0)
sl@0	908	{
sl@0	909	SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED);
sl@0	910	return -1;
sl@0	911	}
sl@0	912
sl@0	913	if (s->shutdown & SSL_SENT_SHUTDOWN)
sl@0	914	{
sl@0	915	s->rwstate=SSL_NOTHING;
sl@0	916	SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN);
sl@0	917	return(-1);
sl@0	918	}
sl@0	919	return(s->method->ssl_write(s,buf,num));
sl@0	920	}
sl@0	921
sl@0	922	EXPORT_C int SSL_shutdown(SSL *s)
sl@0	923	{
sl@0	924	/* Note that this function behaves differently from what one might
sl@0	925	* expect. Return values are 0 for no success (yet),
sl@0	926	* 1 for success; but calling it once is usually not enough,
sl@0	927	* even if blocking I/O is used (see ssl3_shutdown).
sl@0	928	*/
sl@0	929
sl@0	930	if (s->handshake_func == 0)
sl@0	931	{
sl@0	932	SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED);
sl@0	933	return -1;
sl@0	934	}
sl@0	935
sl@0	936	if ((s != NULL) && !SSL_in_init(s))
sl@0	937	return(s->method->ssl_shutdown(s));
sl@0	938	else
sl@0	939	return(1);
sl@0	940	}
sl@0	941
sl@0	942	EXPORT_C int SSL_renegotiate(SSL *s)
sl@0	943	{
sl@0	944	if (s->new_session == 0)
sl@0	945	{
sl@0	946	s->new_session=1;
sl@0	947	}
sl@0	948	return(s->method->ssl_renegotiate(s));
sl@0	949	}
sl@0	950
sl@0	951	EXPORT_C int SSL_renegotiate_pending(SSL *s)
sl@0	952	{
sl@0	953	/* becomes true when negotiation is requested;
sl@0	954	* false again once a handshake has finished */
sl@0	955	return (s->new_session != 0);
sl@0	956	}
sl@0	957
sl@0	958	EXPORT_C long SSL_ctrl(SSL s,int cmd,long larg,void parg)
sl@0	959	{
sl@0	960	long l;
sl@0	961
sl@0	962	switch (cmd)
sl@0	963	{
sl@0	964	case SSL_CTRL_GET_READ_AHEAD:
sl@0	965	return(s->read_ahead);
sl@0	966	case SSL_CTRL_SET_READ_AHEAD:
sl@0	967	l=s->read_ahead;
sl@0	968	s->read_ahead=larg;
sl@0	969	return(l);
sl@0	970
sl@0	971	case SSL_CTRL_SET_MSG_CALLBACK_ARG:
sl@0	972	s->msg_callback_arg = parg;
sl@0	973	return 1;
sl@0	974
sl@0	975	case SSL_CTRL_OPTIONS:
sl@0	976	return(s->options\|=larg);
sl@0	977	case SSL_CTRL_MODE:
sl@0	978	return(s->mode\|=larg);
sl@0	979	case SSL_CTRL_GET_MAX_CERT_LIST:
sl@0	980	return(s->max_cert_list);
sl@0	981	case SSL_CTRL_SET_MAX_CERT_LIST:
sl@0	982	l=s->max_cert_list;
sl@0	983	s->max_cert_list=larg;
sl@0	984	return(l);
sl@0	985	case SSL_CTRL_SET_MTU:
sl@0	986	if (SSL_version(s) == DTLS1_VERSION)
sl@0	987	{
sl@0	988	s->d1->mtu = larg;
sl@0	989	return larg;
sl@0	990	}
sl@0	991	return 0;
sl@0	992	default:
sl@0	993	return(s->method->ssl_ctrl(s,cmd,larg,parg));
sl@0	994	}
sl@0	995	}
sl@0	996
sl@0	997	EXPORT_C long SSL_callback_ctrl(SSL s, int cmd, void (fp)(void))
sl@0	998	{
sl@0	999	switch(cmd)
sl@0	1000	{
sl@0	1001	case SSL_CTRL_SET_MSG_CALLBACK:
sl@0	1002	s->msg_callback = (void ()(int write_p, int version, int content_type, const void buf, size_t len, SSL ssl, void arg))(fp);
sl@0	1003	return 1;
sl@0	1004
sl@0	1005	default:
sl@0	1006	return(s->method->ssl_callback_ctrl(s,cmd,fp));
sl@0	1007	}
sl@0	1008	}
sl@0	1009
sl@0	1010	EXPORT_C struct lhash_st SSL_CTX_sessions(SSL_CTX ctx)
sl@0	1011	{
sl@0	1012	return ctx->sessions;
sl@0	1013	}
sl@0	1014
sl@0	1015	EXPORT_C long SSL_CTX_ctrl(SSL_CTX ctx,int cmd,long larg,void parg)
sl@0	1016	{
sl@0	1017	long l;
sl@0	1018
sl@0	1019	switch (cmd)
sl@0	1020	{
sl@0	1021	case SSL_CTRL_GET_READ_AHEAD:
sl@0	1022	return(ctx->read_ahead);
sl@0	1023	case SSL_CTRL_SET_READ_AHEAD:
sl@0	1024	l=ctx->read_ahead;
sl@0	1025	ctx->read_ahead=larg;
sl@0	1026	return(l);
sl@0	1027
sl@0	1028	case SSL_CTRL_SET_MSG_CALLBACK_ARG:
sl@0	1029	ctx->msg_callback_arg = parg;
sl@0	1030	return 1;
sl@0	1031
sl@0	1032	case SSL_CTRL_GET_MAX_CERT_LIST:
sl@0	1033	return(ctx->max_cert_list);
sl@0	1034	case SSL_CTRL_SET_MAX_CERT_LIST:
sl@0	1035	l=ctx->max_cert_list;
sl@0	1036	ctx->max_cert_list=larg;
sl@0	1037	return(l);
sl@0	1038
sl@0	1039	case SSL_CTRL_SET_SESS_CACHE_SIZE:
sl@0	1040	l=ctx->session_cache_size;
sl@0	1041	ctx->session_cache_size=larg;
sl@0	1042	return(l);
sl@0	1043	case SSL_CTRL_GET_SESS_CACHE_SIZE:
sl@0	1044	return(ctx->session_cache_size);
sl@0	1045	case SSL_CTRL_SET_SESS_CACHE_MODE:
sl@0	1046	l=ctx->session_cache_mode;
sl@0	1047	ctx->session_cache_mode=larg;
sl@0	1048	return(l);
sl@0	1049	case SSL_CTRL_GET_SESS_CACHE_MODE:
sl@0	1050	return(ctx->session_cache_mode);
sl@0	1051
sl@0	1052	case SSL_CTRL_SESS_NUMBER:
sl@0	1053	return(ctx->sessions->num_items);
sl@0	1054	case SSL_CTRL_SESS_CONNECT:
sl@0	1055	return(ctx->stats.sess_connect);
sl@0	1056	case SSL_CTRL_SESS_CONNECT_GOOD:
sl@0	1057	return(ctx->stats.sess_connect_good);
sl@0	1058	case SSL_CTRL_SESS_CONNECT_RENEGOTIATE:
sl@0	1059	return(ctx->stats.sess_connect_renegotiate);
sl@0	1060	case SSL_CTRL_SESS_ACCEPT:
sl@0	1061	return(ctx->stats.sess_accept);
sl@0	1062	case SSL_CTRL_SESS_ACCEPT_GOOD:
sl@0	1063	return(ctx->stats.sess_accept_good);
sl@0	1064	case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE:
sl@0	1065	return(ctx->stats.sess_accept_renegotiate);
sl@0	1066	case SSL_CTRL_SESS_HIT:
sl@0	1067	return(ctx->stats.sess_hit);
sl@0	1068	case SSL_CTRL_SESS_CB_HIT:
sl@0	1069	return(ctx->stats.sess_cb_hit);
sl@0	1070	case SSL_CTRL_SESS_MISSES:
sl@0	1071	return(ctx->stats.sess_miss);
sl@0	1072	case SSL_CTRL_SESS_TIMEOUTS:
sl@0	1073	return(ctx->stats.sess_timeout);
sl@0	1074	case SSL_CTRL_SESS_CACHE_FULL:
sl@0	1075	return(ctx->stats.sess_cache_full);
sl@0	1076	case SSL_CTRL_OPTIONS:
sl@0	1077	return(ctx->options\|=larg);
sl@0	1078	case SSL_CTRL_MODE:
sl@0	1079	return(ctx->mode\|=larg);
sl@0	1080	default:
sl@0	1081	return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg));
sl@0	1082	}
sl@0	1083	}
sl@0	1084
sl@0	1085	EXPORT_C long SSL_CTX_callback_ctrl(SSL_CTX ctx, int cmd, void (fp)(void))
sl@0	1086	{
sl@0	1087	switch(cmd)
sl@0	1088	{
sl@0	1089	case SSL_CTRL_SET_MSG_CALLBACK:
sl@0	1090	ctx->msg_callback = (void ()(int write_p, int version, int content_type, const void buf, size_t len, SSL ssl, void arg))(fp);
sl@0	1091	return 1;
sl@0	1092
sl@0	1093	default:
sl@0	1094	return(ctx->method->ssl_ctx_callback_ctrl(ctx,cmd,fp));
sl@0	1095	}
sl@0	1096	}
sl@0	1097
sl@0	1098	int ssl_cipher_id_cmp(const SSL_CIPHER a, const SSL_CIPHER b)
sl@0	1099	{
sl@0	1100	long l;
sl@0	1101
sl@0	1102	l=a->id-b->id;
sl@0	1103	if (l == 0L)
sl@0	1104	return(0);
sl@0	1105	else
sl@0	1106	return((l > 0)?1:-1);
sl@0	1107	}
sl@0	1108
sl@0	1109	int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
sl@0	1110	const SSL_CIPHER * const *bp)
sl@0	1111	{
sl@0	1112	long l;
sl@0	1113
sl@0	1114	l=(ap)->id-(bp)->id;
sl@0	1115	if (l == 0L)
sl@0	1116	return(0);
sl@0	1117	else
sl@0	1118	return((l > 0)?1:-1);
sl@0	1119	}
sl@0	1120
sl@0	1121	/** return a STACK of the ciphers available for the SSL and in order of
sl@0	1122	* preference */
sl@0	1123	EXPORT_C STACK_OF(SSL_CIPHER) SSL_get_ciphers(const SSL s)
sl@0	1124	{
sl@0	1125	if (s != NULL)
sl@0	1126	{
sl@0	1127	if (s->cipher_list != NULL)
sl@0	1128	{
sl@0	1129	return(s->cipher_list);
sl@0	1130	}
sl@0	1131	else if ((s->ctx != NULL) &&
sl@0	1132	(s->ctx->cipher_list != NULL))
sl@0	1133	{
sl@0	1134	return(s->ctx->cipher_list);
sl@0	1135	}
sl@0	1136	}
sl@0	1137	return(NULL);
sl@0	1138	}
sl@0	1139
sl@0	1140	/** return a STACK of the ciphers available for the SSL and in order of
sl@0	1141	* algorithm id */
sl@0	1142	STACK_OF(SSL_CIPHER) ssl_get_ciphers_by_id(SSL s)
sl@0	1143	{
sl@0	1144	if (s != NULL)
sl@0	1145	{
sl@0	1146	if (s->cipher_list_by_id != NULL)
sl@0	1147	{
sl@0	1148	return(s->cipher_list_by_id);
sl@0	1149	}
sl@0	1150	else if ((s->ctx != NULL) &&
sl@0	1151	(s->ctx->cipher_list_by_id != NULL))
sl@0	1152	{
sl@0	1153	return(s->ctx->cipher_list_by_id);
sl@0	1154	}
sl@0	1155	}
sl@0	1156	return(NULL);
sl@0	1157	}
sl@0	1158
sl@0	1159	/** The old interface to get the same thing as SSL_get_ciphers() */
sl@0	1160	EXPORT_C const char SSL_get_cipher_list(const SSL s,int n)
sl@0	1161	{
sl@0	1162	SSL_CIPHER *c;
sl@0	1163	STACK_OF(SSL_CIPHER) *sk;
sl@0	1164
sl@0	1165	if (s == NULL) return(NULL);
sl@0	1166	sk=SSL_get_ciphers(s);
sl@0	1167	if ((sk == NULL) \|\| (sk_SSL_CIPHER_num(sk) <= n))
sl@0	1168	return(NULL);
sl@0	1169	c=sk_SSL_CIPHER_value(sk,n);
sl@0	1170	if (c == NULL) return(NULL);
sl@0	1171	return(c->name);
sl@0	1172	}
sl@0	1173
sl@0	1174	/** specify the ciphers to be used by default by the SSL_CTX */
sl@0	1175	EXPORT_C int SSL_CTX_set_cipher_list(SSL_CTX ctx, const char str)
sl@0	1176	{
sl@0	1177	STACK_OF(SSL_CIPHER) *sk;
sl@0	1178
sl@0	1179	sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list,
sl@0	1180	&ctx->cipher_list_by_id,str);
sl@0	1181	/* ssl_create_cipher_list may return an empty stack if it
sl@0	1182	* was unable to find a cipher matching the given rule string
sl@0	1183	* (for example if the rule string specifies a cipher which
sl@0	1184	* has been disabled). This is not an error as far as
sl@0	1185	* ssl_create_cipher_list is concerned, and hence
sl@0	1186	* ctx->cipher_list and ctx->cipher_list_by_id has been
sl@0	1187	* updated. */
sl@0	1188	if (sk == NULL)
sl@0	1189	return 0;
sl@0	1190	else if (sk_SSL_CIPHER_num(sk) == 0)
sl@0	1191	{
sl@0	1192	SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
sl@0	1193	return 0;
sl@0	1194	}
sl@0	1195	return 1;
sl@0	1196	}
sl@0	1197
sl@0	1198	/** specify the ciphers to be used by the SSL */
sl@0	1199	EXPORT_C int SSL_set_cipher_list(SSL s,const char str)
sl@0	1200	{
sl@0	1201	STACK_OF(SSL_CIPHER) *sk;
sl@0	1202
sl@0	1203	sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list,
sl@0	1204	&s->cipher_list_by_id,str);
sl@0	1205	/* see comment in SSL_CTX_set_cipher_list */
sl@0	1206	if (sk == NULL)
sl@0	1207	return 0;
sl@0	1208	else if (sk_SSL_CIPHER_num(sk) == 0)
sl@0	1209	{
sl@0	1210	SSLerr(SSL_F_SSL_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
sl@0	1211	return 0;
sl@0	1212	}
sl@0	1213	return 1;
sl@0	1214	}
sl@0	1215
sl@0	1216	/* works well for SSLv2, not so good for SSLv3 */
sl@0	1217	EXPORT_C char SSL_get_shared_ciphers(const SSL s,char *buf,int len)
sl@0	1218	{
sl@0	1219	char *p;
sl@0	1220	STACK_OF(SSL_CIPHER) *sk;
sl@0	1221	SSL_CIPHER *c;
sl@0	1222	int i;
sl@0	1223
sl@0	1224	if ((s->session == NULL) \|\| (s->session->ciphers == NULL) \|\|
sl@0	1225	(len < 2))
sl@0	1226	return(NULL);
sl@0	1227
sl@0	1228	p=buf;
sl@0	1229	sk=s->session->ciphers;
sl@0	1230	for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
sl@0	1231	{
sl@0	1232	int n;
sl@0	1233
sl@0	1234	c=sk_SSL_CIPHER_value(sk,i);
sl@0	1235	n=strlen(c->name);
sl@0	1236	if (n+1 > len)
sl@0	1237	{
sl@0	1238	if (p != buf)
sl@0	1239	--p;
sl@0	1240	*p='\0';
sl@0	1241	return buf;
sl@0	1242	}
sl@0	1243	strcpy(p,c->name);
sl@0	1244	p+=n;
sl@0	1245	*(p++)=':';
sl@0	1246	len-=n+1;
sl@0	1247	}
sl@0	1248	p[-1]='\0';
sl@0	1249	return(buf);
sl@0	1250	}
sl@0	1251
sl@0	1252	int ssl_cipher_list_to_bytes(SSL s,STACK_OF(SSL_CIPHER) sk,unsigned char *p,
sl@0	1253	int (put_cb)(const SSL_CIPHER , unsigned char *))
sl@0	1254	{
sl@0	1255	int i,j=0;
sl@0	1256	SSL_CIPHER *c;
sl@0	1257	unsigned char *q;
sl@0	1258	#ifndef OPENSSL_NO_KRB5
sl@0	1259	int nokrb5 = !kssl_tgt_is_available(s->kssl_ctx);
sl@0	1260	#endif /* OPENSSL_NO_KRB5 */
sl@0	1261
sl@0	1262	if (sk == NULL) return(0);
sl@0	1263	q=p;
sl@0	1264
sl@0	1265	for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
sl@0	1266	{
sl@0	1267	c=sk_SSL_CIPHER_value(sk,i);
sl@0	1268	#ifndef OPENSSL_NO_KRB5
sl@0	1269	if ((c->algorithms & SSL_KRB5) && nokrb5)
sl@0	1270	continue;
sl@0	1271	#endif /* OPENSSL_NO_KRB5 */
sl@0	1272
sl@0	1273	j = put_cb ? put_cb(c,p) : ssl_put_cipher_by_char(s,c,p);
sl@0	1274	p+=j;
sl@0	1275	}
sl@0	1276	return(p-q);
sl@0	1277	}
sl@0	1278
sl@0	1279	STACK_OF(SSL_CIPHER) ssl_bytes_to_cipher_list(SSL s,unsigned char *p,int num,
sl@0	1280	STACK_OF(SSL_CIPHER) **skp)
sl@0	1281	{
sl@0	1282	SSL_CIPHER *c;
sl@0	1283	STACK_OF(SSL_CIPHER) *sk;
sl@0	1284	int i,n;
sl@0	1285
sl@0	1286	n=ssl_put_cipher_by_char(s,NULL,NULL);
sl@0	1287	if ((num%n) != 0)
sl@0	1288	{
sl@0	1289	SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
sl@0	1290	return(NULL);
sl@0	1291	}
sl@0	1292	if ((skp == NULL) \|\| (*skp == NULL))
sl@0	1293	sk=sk_SSL_CIPHER_new_null(); /* change perhaps later */
sl@0	1294	else
sl@0	1295	{
sl@0	1296	sk= *skp;
sl@0	1297	sk_SSL_CIPHER_zero(sk);
sl@0	1298	}
sl@0	1299
sl@0	1300	for (i=0; i<num; i+=n)
sl@0	1301	{
sl@0	1302	c=ssl_get_cipher_by_char(s,p);
sl@0	1303	p+=n;
sl@0	1304	if (c != NULL)
sl@0	1305	{
sl@0	1306	if (!sk_SSL_CIPHER_push(sk,c))
sl@0	1307	{
sl@0	1308	SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
sl@0	1309	goto err;
sl@0	1310	}
sl@0	1311	}
sl@0	1312	}
sl@0	1313
sl@0	1314	if (skp != NULL)
sl@0	1315	*skp=sk;
sl@0	1316	return(sk);
sl@0	1317	err:
sl@0	1318	if ((skp == NULL) \|\| (*skp == NULL))
sl@0	1319	sk_SSL_CIPHER_free(sk);
sl@0	1320	return(NULL);
sl@0	1321	}
sl@0	1322
sl@0	1323
sl@0	1324	EXPORT_C unsigned long SSL_SESSION_hash(const SSL_SESSION *a)
sl@0	1325	{
sl@0	1326	unsigned long l;
sl@0	1327
sl@0	1328	l=(unsigned long)
sl@0	1329	((unsigned int) a->session_id[0] )\|
sl@0	1330	((unsigned int) a->session_id[1]<< 8L)\|
sl@0	1331	((unsigned long)a->session_id[2]<<16L)\|
sl@0	1332	((unsigned long)a->session_id[3]<<24L);
sl@0	1333	return(l);
sl@0	1334	}
sl@0	1335
sl@0	1336	/* NB: If this function (or indeed the hash function which uses a sort of
sl@0	1337	* coarser function than this one) is changed, ensure
sl@0	1338	* SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being
sl@0	1339	* able to construct an SSL_SESSION that will collide with any existing session
sl@0	1340	* with a matching session ID. */
sl@0	1341	EXPORT_C int SSL_SESSION_cmp(const SSL_SESSION a,const SSL_SESSION b)
sl@0	1342	{
sl@0	1343	if (a->ssl_version != b->ssl_version)
sl@0	1344	return(1);
sl@0	1345	if (a->session_id_length != b->session_id_length)
sl@0	1346	return(1);
sl@0	1347	return(memcmp(a->session_id,b->session_id,a->session_id_length));
sl@0	1348	}
sl@0	1349
sl@0	1350	/* These wrapper functions should remain rather than redeclaring
sl@0	1351	* SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
sl@0	1352	* variable. The reason is that the functions aren't static, they're exposed via
sl@0	1353	* ssl.h. */
sl@0	1354	static IMPLEMENT_LHASH_HASH_FN(SSL_SESSION_hash, SSL_SESSION *)
sl@0	1355	static IMPLEMENT_LHASH_COMP_FN(SSL_SESSION_cmp, SSL_SESSION *)
sl@0	1356
sl@0	1357	EXPORT_C SSL_CTX SSL_CTX_new(SSL_METHOD meth)
sl@0	1358	{
sl@0	1359	SSL_CTX *ret=NULL;
sl@0	1360
sl@0	1361	if (meth == NULL)
sl@0	1362	{
sl@0	1363	SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED);
sl@0	1364	return(NULL);
sl@0	1365	}
sl@0	1366
sl@0	1367	if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
sl@0	1368	{
sl@0	1369	SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
sl@0	1370	goto err;
sl@0	1371	}
sl@0	1372	ret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX));
sl@0	1373	if (ret == NULL)
sl@0	1374	goto err;
sl@0	1375
sl@0	1376	memset(ret,0,sizeof(SSL_CTX));
sl@0	1377
sl@0	1378	ret->method=meth;
sl@0	1379
sl@0	1380	ret->cert_store=NULL;
sl@0	1381	ret->session_cache_mode=SSL_SESS_CACHE_SERVER;
sl@0	1382	ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
sl@0	1383	ret->session_cache_head=NULL;
sl@0	1384	ret->session_cache_tail=NULL;
sl@0	1385
sl@0	1386	/* We take the system default */
sl@0	1387	ret->session_timeout=meth->get_timeout();
sl@0	1388
sl@0	1389	ret->new_session_cb=0;
sl@0	1390	ret->remove_session_cb=0;
sl@0	1391	ret->get_session_cb=0;
sl@0	1392	ret->generate_session_id=0;
sl@0	1393
sl@0	1394	memset((char *)&ret->stats,0,sizeof(ret->stats));
sl@0	1395
sl@0	1396	ret->references=1;
sl@0	1397	ret->quiet_shutdown=0;
sl@0	1398
sl@0	1399	/* ret->cipher=NULL;*/
sl@0	1400	/* ret->s2->challenge=NULL;
sl@0	1401	ret->master_key=NULL;
sl@0	1402	ret->key_arg=NULL;
sl@0	1403	ret->s2->conn_id=NULL; */
sl@0	1404
sl@0	1405	ret->info_callback=NULL;
sl@0	1406
sl@0	1407	ret->app_verify_callback=0;
sl@0	1408	ret->app_verify_arg=NULL;
sl@0	1409
sl@0	1410	ret->max_cert_list=SSL_MAX_CERT_LIST_DEFAULT;
sl@0	1411	ret->read_ahead=0;
sl@0	1412	ret->msg_callback=0;
sl@0	1413	ret->msg_callback_arg=NULL;
sl@0	1414	ret->verify_mode=SSL_VERIFY_NONE;
sl@0	1415	#if 0
sl@0	1416	ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */
sl@0	1417	#endif
sl@0	1418	ret->sid_ctx_length=0;
sl@0	1419	ret->default_verify_callback=NULL;
sl@0	1420	if ((ret->cert=ssl_cert_new()) == NULL)
sl@0	1421	goto err;
sl@0	1422
sl@0	1423	ret->default_passwd_callback=0;
sl@0	1424	ret->default_passwd_callback_userdata=NULL;
sl@0	1425	ret->client_cert_cb=0;
sl@0	1426	ret->app_gen_cookie_cb=0;
sl@0	1427	ret->app_verify_cookie_cb=0;
sl@0	1428
sl@0	1429	ret->sessions=lh_new(LHASH_HASH_FN(SSL_SESSION_hash),
sl@0	1430	LHASH_COMP_FN(SSL_SESSION_cmp));
sl@0	1431	if (ret->sessions == NULL) goto err;
sl@0	1432	ret->cert_store=X509_STORE_new();
sl@0	1433	if (ret->cert_store == NULL) goto err;
sl@0	1434
sl@0	1435	ssl_create_cipher_list(ret->method,
sl@0	1436	&ret->cipher_list,&ret->cipher_list_by_id,
sl@0	1437	SSL_DEFAULT_CIPHER_LIST);
sl@0	1438	if (ret->cipher_list == NULL
sl@0	1439	\|\| sk_SSL_CIPHER_num(ret->cipher_list) <= 0)
sl@0	1440	{
sl@0	1441	SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS);
sl@0	1442	goto err2;
sl@0	1443	}
sl@0	1444
sl@0	1445	ret->param = X509_VERIFY_PARAM_new();
sl@0	1446	if (!ret->param)
sl@0	1447	goto err;
sl@0	1448
sl@0	1449	if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)
sl@0	1450	{
sl@0	1451	SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);
sl@0	1452	goto err2;
sl@0	1453	}
sl@0	1454	if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL)
sl@0	1455	{
sl@0	1456	SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);
sl@0	1457	goto err2;
sl@0	1458	}
sl@0	1459	if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL)
sl@0	1460	{
sl@0	1461	SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);
sl@0	1462	goto err2;
sl@0	1463	}
sl@0	1464
sl@0	1465	if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL)
sl@0	1466	goto err;
sl@0	1467
sl@0	1468	CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data);
sl@0	1469
sl@0	1470	ret->extra_certs=NULL;
sl@0	1471	ret->comp_methods=SSL_COMP_get_compression_methods();
sl@0	1472
sl@0	1473	return(ret);
sl@0	1474	err:
sl@0	1475	SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);
sl@0	1476	err2:
sl@0	1477	if (ret != NULL) SSL_CTX_free(ret);
sl@0	1478	return(NULL);
sl@0	1479	}
sl@0	1480
sl@0	1481	#if 0
sl@0	1482	static void SSL_COMP_free(SSL_COMP *comp)
sl@0	1483	{ OPENSSL_free(comp); }
sl@0	1484	#endif
sl@0	1485
sl@0	1486	EXPORT_C void SSL_CTX_free(SSL_CTX *a)
sl@0	1487	{
sl@0	1488	int i;
sl@0	1489
sl@0	1490	if (a == NULL) return;
sl@0	1491
sl@0	1492	i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX);
sl@0	1493	#ifdef REF_PRINT
sl@0	1494	REF_PRINT("SSL_CTX",a);
sl@0	1495	#endif
sl@0	1496	if (i > 0) return;
sl@0	1497	#ifdef REF_CHECK
sl@0	1498	if (i < 0)
sl@0	1499	{
sl@0	1500	fprintf(stderr,"SSL_CTX_free, bad reference count\n");
sl@0	1501	abort(); /* ok */
sl@0	1502	}
sl@0	1503	#endif
sl@0	1504
sl@0	1505	if (a->param)
sl@0	1506	X509_VERIFY_PARAM_free(a->param);
sl@0	1507
sl@0	1508	/*
sl@0	1509	* Free internal session cache. However: the remove_cb() may reference
sl@0	1510	* the ex_data of SSL_CTX, thus the ex_data store can only be removed
sl@0	1511	* after the sessions were flushed.
sl@0	1512	* As the ex_data handling routines might also touch the session cache,
sl@0	1513	* the most secure solution seems to be: empty (flush) the cache, then
sl@0	1514	* free ex_data, then finally free the cache.
sl@0	1515	* (See ticket [openssl.org #212].)
sl@0	1516	*/
sl@0	1517	if (a->sessions != NULL)
sl@0	1518	SSL_CTX_flush_sessions(a,0);
sl@0	1519
sl@0	1520	CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);
sl@0	1521
sl@0	1522	if (a->sessions != NULL)
sl@0	1523	lh_free(a->sessions);
sl@0	1524
sl@0	1525	if (a->cert_store != NULL)
sl@0	1526	X509_STORE_free(a->cert_store);
sl@0	1527	if (a->cipher_list != NULL)
sl@0	1528	sk_SSL_CIPHER_free(a->cipher_list);
sl@0	1529	if (a->cipher_list_by_id != NULL)
sl@0	1530	sk_SSL_CIPHER_free(a->cipher_list_by_id);
sl@0	1531	if (a->cert != NULL)
sl@0	1532	ssl_cert_free(a->cert);
sl@0	1533	if (a->client_CA != NULL)
sl@0	1534	sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free);
sl@0	1535	if (a->extra_certs != NULL)
sl@0	1536	sk_X509_pop_free(a->extra_certs,X509_free);
sl@0	1537	#if 0 /* This should never be done, since it removes a global database */
sl@0	1538	if (a->comp_methods != NULL)
sl@0	1539	sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free);
sl@0	1540	#else
sl@0	1541	a->comp_methods = NULL;
sl@0	1542	#endif
sl@0	1543	OPENSSL_free(a);
sl@0	1544	}
sl@0	1545
sl@0	1546	EXPORT_C void SSL_CTX_set_default_passwd_cb(SSL_CTX ctx, pem_password_cb cb)
sl@0	1547	{
sl@0	1548	ctx->default_passwd_callback=cb;
sl@0	1549	}
sl@0	1550
sl@0	1551	EXPORT_C void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX ctx,void u)
sl@0	1552	{
sl@0	1553	ctx->default_passwd_callback_userdata=u;
sl@0	1554	}
sl@0	1555
sl@0	1556	EXPORT_C void SSL_CTX_set_cert_verify_callback(SSL_CTX ctx, int (cb)(X509_STORE_CTX ,void ), void *arg)
sl@0	1557	{
sl@0	1558	ctx->app_verify_callback=cb;
sl@0	1559	ctx->app_verify_arg=arg;
sl@0	1560	}
sl@0	1561
sl@0	1562	EXPORT_C void SSL_CTX_set_verify(SSL_CTX ctx,int mode,int (cb)(int, X509_STORE_CTX *))
sl@0	1563	{
sl@0	1564	ctx->verify_mode=mode;
sl@0	1565	ctx->default_verify_callback=cb;
sl@0	1566	}
sl@0	1567
sl@0	1568	EXPORT_C void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth)
sl@0	1569	{
sl@0	1570	X509_VERIFY_PARAM_set_depth(ctx->param, depth);
sl@0	1571	}
sl@0	1572
sl@0	1573	void ssl_set_cert_masks(CERT c, SSL_CIPHER cipher)
sl@0	1574	{
sl@0	1575	CERT_PKEY *cpk;
sl@0	1576	int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign;
sl@0	1577	int rsa_enc_export,dh_rsa_export,dh_dsa_export;
sl@0	1578	int rsa_tmp_export,dh_tmp_export,kl;
sl@0	1579	unsigned long mask,emask;
sl@0	1580	int have_ecc_cert, ecdh_ok, ecdsa_ok, ecc_pkey_size;
sl@0	1581	#ifndef OPENSSL_NO_ECDH
sl@0	1582	int have_ecdh_tmp;
sl@0	1583	#endif
sl@0	1584	X509 *x = NULL;
sl@0	1585	EVP_PKEY *ecc_pkey = NULL;
sl@0	1586	int signature_nid = 0;
sl@0	1587
sl@0	1588	if (c == NULL) return;
sl@0	1589
sl@0	1590	kl=SSL_C_EXPORT_PKEYLENGTH(cipher);
sl@0	1591
sl@0	1592	#ifndef OPENSSL_NO_RSA
sl@0	1593	rsa_tmp=(c->rsa_tmp != NULL \|\| c->rsa_tmp_cb != NULL);
sl@0	1594	rsa_tmp_export=(c->rsa_tmp_cb != NULL \|\|
sl@0	1595	(rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl));
sl@0	1596	#else
sl@0	1597	rsa_tmp=rsa_tmp_export=0;
sl@0	1598	#endif
sl@0	1599	#ifndef OPENSSL_NO_DH
sl@0	1600	dh_tmp=(c->dh_tmp != NULL \|\| c->dh_tmp_cb != NULL);
sl@0	1601	dh_tmp_export=(c->dh_tmp_cb != NULL \|\|
sl@0	1602	(dh_tmp && DH_size(c->dh_tmp)*8 <= kl));
sl@0	1603	#else
sl@0	1604	dh_tmp=dh_tmp_export=0;
sl@0	1605	#endif
sl@0	1606
sl@0	1607	#ifndef OPENSSL_NO_ECDH
sl@0	1608	have_ecdh_tmp=(c->ecdh_tmp != NULL \|\| c->ecdh_tmp_cb != NULL);
sl@0	1609	#endif
sl@0	1610	cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);
sl@0	1611	rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);
sl@0	1612	rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
sl@0	1613	cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);
sl@0	1614	rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
sl@0	1615	cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);
sl@0	1616	dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
sl@0	1617	cpk= &(c->pkeys[SSL_PKEY_DH_RSA]);
sl@0	1618	dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
sl@0	1619	dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
sl@0	1620	cpk= &(c->pkeys[SSL_PKEY_DH_DSA]);
sl@0	1621	/* FIX THIS EAY EAY EAY */
sl@0	1622	dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
sl@0	1623	dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
sl@0	1624	cpk= &(c->pkeys[SSL_PKEY_ECC]);
sl@0	1625	have_ecc_cert= (cpk->x509 != NULL && cpk->privatekey != NULL);
sl@0	1626	mask=0;
sl@0	1627	emask=0;
sl@0	1628
sl@0	1629	#ifdef CIPHER_DEBUG
sl@0	1630	printf("rt=%d rte=%d dht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
sl@0	1631	rsa_tmp,rsa_tmp_export,dh_tmp,
sl@0	1632	rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);
sl@0	1633	#endif
sl@0	1634
sl@0	1635	if (rsa_enc \|\| (rsa_tmp && rsa_sign))
sl@0	1636	mask\|=SSL_kRSA;
sl@0	1637	if (rsa_enc_export \|\| (rsa_tmp_export && (rsa_sign \|\| rsa_enc)))
sl@0	1638	emask\|=SSL_kRSA;
sl@0	1639
sl@0	1640	#if 0
sl@0	1641	/* The match needs to be both kEDH and aRSA or aDSA, so don't worry */
sl@0	1642	if ( (dh_tmp \|\| dh_rsa \|\| dh_dsa) &&
sl@0	1643	(rsa_enc \|\| rsa_sign \|\| dsa_sign))
sl@0	1644	mask\|=SSL_kEDH;
sl@0	1645	if ((dh_tmp_export \|\| dh_rsa_export \|\| dh_dsa_export) &&
sl@0	1646	(rsa_enc \|\| rsa_sign \|\| dsa_sign))
sl@0	1647	emask\|=SSL_kEDH;
sl@0	1648	#endif
sl@0	1649
sl@0	1650	if (dh_tmp_export)
sl@0	1651	emask\|=SSL_kEDH;
sl@0	1652
sl@0	1653	if (dh_tmp)
sl@0	1654	mask\|=SSL_kEDH;
sl@0	1655
sl@0	1656	if (dh_rsa) mask\|=SSL_kDHr;
sl@0	1657	if (dh_rsa_export) emask\|=SSL_kDHr;
sl@0	1658
sl@0	1659	if (dh_dsa) mask\|=SSL_kDHd;
sl@0	1660	if (dh_dsa_export) emask\|=SSL_kDHd;
sl@0	1661
sl@0	1662	if (rsa_enc \|\| rsa_sign)
sl@0	1663	{
sl@0	1664	mask\|=SSL_aRSA;
sl@0	1665	emask\|=SSL_aRSA;
sl@0	1666	}
sl@0	1667
sl@0	1668	if (dsa_sign)
sl@0	1669	{
sl@0	1670	mask\|=SSL_aDSS;
sl@0	1671	emask\|=SSL_aDSS;
sl@0	1672	}
sl@0	1673
sl@0	1674	mask\|=SSL_aNULL;
sl@0	1675	emask\|=SSL_aNULL;
sl@0	1676
sl@0	1677	#ifndef OPENSSL_NO_KRB5
sl@0	1678	mask\|=SSL_kKRB5\|SSL_aKRB5;
sl@0	1679	emask\|=SSL_kKRB5\|SSL_aKRB5;
sl@0	1680	#endif
sl@0	1681
sl@0	1682	/* An ECC certificate may be usable for ECDH and/or
sl@0	1683	* ECDSA cipher suites depending on the key usage extension.
sl@0	1684	*/
sl@0	1685	if (have_ecc_cert)
sl@0	1686	{
sl@0	1687	/* This call populates extension flags (ex_flags) */
sl@0	1688	x = (c->pkeys[SSL_PKEY_ECC]).x509;
sl@0	1689	X509_check_purpose(x, -1, 0);
sl@0	1690	ecdh_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
sl@0	1691	(x->ex_kusage & X509v3_KU_KEY_AGREEMENT) : 1;
sl@0	1692	ecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
sl@0	1693	(x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) : 1;
sl@0	1694	ecc_pkey = X509_get_pubkey(x);
sl@0	1695	ecc_pkey_size = (ecc_pkey != NULL) ?
sl@0	1696	EVP_PKEY_bits(ecc_pkey) : 0;
sl@0	1697	EVP_PKEY_free(ecc_pkey);
sl@0	1698	if ((x->sig_alg) && (x->sig_alg->algorithm))
sl@0	1699	signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
sl@0	1700	#ifndef OPENSSL_NO_ECDH
sl@0	1701	if (ecdh_ok)
sl@0	1702	{
sl@0	1703	if ((signature_nid == NID_md5WithRSAEncryption) \|\|
sl@0	1704	(signature_nid == NID_md4WithRSAEncryption) \|\|
sl@0	1705	(signature_nid == NID_md2WithRSAEncryption))
sl@0	1706	{
sl@0	1707	mask\|=SSL_kECDH\|SSL_aRSA;
sl@0	1708	if (ecc_pkey_size <= 163)
sl@0	1709	emask\|=SSL_kECDH\|SSL_aRSA;
sl@0	1710	}
sl@0	1711	if (signature_nid == NID_ecdsa_with_SHA1)
sl@0	1712	{
sl@0	1713	mask\|=SSL_kECDH\|SSL_aECDSA;
sl@0	1714	if (ecc_pkey_size <= 163)
sl@0	1715	emask\|=SSL_kECDH\|SSL_aECDSA;
sl@0	1716	}
sl@0	1717	}
sl@0	1718	#endif
sl@0	1719	#ifndef OPENSSL_NO_ECDSA
sl@0	1720	if (ecdsa_ok)
sl@0	1721	{
sl@0	1722	mask\|=SSL_aECDSA;
sl@0	1723	emask\|=SSL_aECDSA;
sl@0	1724	}
sl@0	1725	#endif
sl@0	1726	}
sl@0	1727
sl@0	1728	#ifndef OPENSSL_NO_ECDH
sl@0	1729	if (have_ecdh_tmp)
sl@0	1730	{
sl@0	1731	mask\|=SSL_kECDHE;
sl@0	1732	emask\|=SSL_kECDHE;
sl@0	1733	}
sl@0	1734	#endif
sl@0	1735	c->mask=mask;
sl@0	1736	c->export_mask=emask;
sl@0	1737	c->valid=1;
sl@0	1738	}
sl@0	1739
sl@0	1740	/* This handy macro borrowed from crypto/x509v3/v3_purp.c */
sl@0	1741	#define ku_reject(x, usage) \
sl@0	1742	(((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
sl@0	1743
sl@0	1744	int check_srvr_ecc_cert_and_alg(X509 x, SSL_CIPHER cs)
sl@0	1745	{
sl@0	1746	unsigned long alg = cs->algorithms;
sl@0	1747	EVP_PKEY *pkey = NULL;
sl@0	1748	int keysize = 0;
sl@0	1749	int signature_nid = 0;
sl@0	1750
sl@0	1751	if (SSL_C_IS_EXPORT(cs))
sl@0	1752	{
sl@0	1753	/* ECDH key length in export ciphers must be <= 163 bits */
sl@0	1754	pkey = X509_get_pubkey(x);
sl@0	1755	if (pkey == NULL) return 0;
sl@0	1756	keysize = EVP_PKEY_bits(pkey);
sl@0	1757	EVP_PKEY_free(pkey);
sl@0	1758	if (keysize > 163) return 0;
sl@0	1759	}
sl@0	1760
sl@0	1761	/* This call populates the ex_flags field correctly */
sl@0	1762	X509_check_purpose(x, -1, 0);
sl@0	1763	if ((x->sig_alg) && (x->sig_alg->algorithm))
sl@0	1764	signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
sl@0	1765	if (alg & SSL_kECDH)
sl@0	1766	{
sl@0	1767	/* key usage, if present, must allow key agreement */
sl@0	1768	if (ku_reject(x, X509v3_KU_KEY_AGREEMENT))
sl@0	1769	{
sl@0	1770	return 0;
sl@0	1771	}
sl@0	1772	if (alg & SSL_aECDSA)
sl@0	1773	{
sl@0	1774	/* signature alg must be ECDSA */
sl@0	1775	if (signature_nid != NID_ecdsa_with_SHA1)
sl@0	1776	{
sl@0	1777	return 0;
sl@0	1778	}
sl@0	1779	}
sl@0	1780	if (alg & SSL_aRSA)
sl@0	1781	{
sl@0	1782	/* signature alg must be RSA */
sl@0	1783	if ((signature_nid != NID_md5WithRSAEncryption) &&
sl@0	1784	(signature_nid != NID_md4WithRSAEncryption) &&
sl@0	1785	(signature_nid != NID_md2WithRSAEncryption))
sl@0	1786	{
sl@0	1787	return 0;
sl@0	1788	}
sl@0	1789	}
sl@0	1790	}
sl@0	1791	else if (alg & SSL_aECDSA)
sl@0	1792	{
sl@0	1793	/* key usage, if present, must allow signing */
sl@0	1794	if (ku_reject(x, X509v3_KU_DIGITAL_SIGNATURE))
sl@0	1795	{
sl@0	1796	return 0;
sl@0	1797	}
sl@0	1798	}
sl@0	1799
sl@0	1800	return 1; /* all checks are ok */
sl@0	1801	}
sl@0	1802
sl@0	1803	/* THIS NEEDS CLEANING UP */
sl@0	1804	X509 ssl_get_server_send_cert(SSL s)
sl@0	1805	{
sl@0	1806	unsigned long alg,mask,kalg;
sl@0	1807	CERT *c;
sl@0	1808	int i,is_export;
sl@0	1809
sl@0	1810	c=s->cert;
sl@0	1811	ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
sl@0	1812	alg=s->s3->tmp.new_cipher->algorithms;
sl@0	1813	is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
sl@0	1814	mask=is_export?c->export_mask:c->mask;
sl@0	1815	kalg=alg&(SSL_MKEY_MASK\|SSL_AUTH_MASK);
sl@0	1816
sl@0	1817	if (kalg & SSL_kECDH)
sl@0	1818	{
sl@0	1819	/* we don't need to look at SSL_kECDHE
sl@0	1820	* since no certificate is needed for
sl@0	1821	* anon ECDH and for authenticated
sl@0	1822	* ECDHE, the check for the auth
sl@0	1823	* algorithm will set i correctly
sl@0	1824	* NOTE: For ECDH-RSA, we need an ECC
sl@0	1825	* not an RSA cert but for ECDHE-RSA
sl@0	1826	* we need an RSA cert. Placing the
sl@0	1827	* checks for SSL_kECDH before RSA
sl@0	1828	* checks ensures the correct cert is chosen.
sl@0	1829	*/
sl@0	1830	i=SSL_PKEY_ECC;
sl@0	1831	}
sl@0	1832	else if (kalg & SSL_aECDSA)
sl@0	1833	{
sl@0	1834	i=SSL_PKEY_ECC;
sl@0	1835	}
sl@0	1836	else if (kalg & SSL_kDHr)
sl@0	1837	i=SSL_PKEY_DH_RSA;
sl@0	1838	else if (kalg & SSL_kDHd)
sl@0	1839	i=SSL_PKEY_DH_DSA;
sl@0	1840	else if (kalg & SSL_aDSS)
sl@0	1841	i=SSL_PKEY_DSA_SIGN;
sl@0	1842	else if (kalg & SSL_aRSA)
sl@0	1843	{
sl@0	1844	if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)
sl@0	1845	i=SSL_PKEY_RSA_SIGN;
sl@0	1846	else
sl@0	1847	i=SSL_PKEY_RSA_ENC;
sl@0	1848	}
sl@0	1849	else if (kalg & SSL_aKRB5)
sl@0	1850	{
sl@0	1851	/* VRS something else here? */
sl@0	1852	return(NULL);
sl@0	1853	}
sl@0	1854	else /* if (kalg & SSL_aNULL) */
sl@0	1855	{
sl@0	1856	SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,ERR_R_INTERNAL_ERROR);
sl@0	1857	return(NULL);
sl@0	1858	}
sl@0	1859	if (c->pkeys[i].x509 == NULL) return(NULL);
sl@0	1860
sl@0	1861	return(c->pkeys[i].x509);
sl@0	1862	}
sl@0	1863
sl@0	1864	EVP_PKEY ssl_get_sign_pkey(SSL s,SSL_CIPHER *cipher)
sl@0	1865	{
sl@0	1866	unsigned long alg;
sl@0	1867	CERT *c;
sl@0	1868
sl@0	1869	alg=cipher->algorithms;
sl@0	1870	c=s->cert;
sl@0	1871
sl@0	1872	if ((alg & SSL_aDSS) &&
sl@0	1873	(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
sl@0	1874	return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey);
sl@0	1875	else if (alg & SSL_aRSA)
sl@0	1876	{
sl@0	1877	if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
sl@0	1878	return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey);
sl@0	1879	else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
sl@0	1880	return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey);
sl@0	1881	else
sl@0	1882	return(NULL);
sl@0	1883	}
sl@0	1884	else if ((alg & SSL_aECDSA) &&
sl@0	1885	(c->pkeys[SSL_PKEY_ECC].privatekey != NULL))
sl@0	1886	return(c->pkeys[SSL_PKEY_ECC].privatekey);
sl@0	1887	else /* if (alg & SSL_aNULL) */
sl@0	1888	{
sl@0	1889	SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR);
sl@0	1890	return(NULL);
sl@0	1891	}
sl@0	1892	}
sl@0	1893
sl@0	1894	void ssl_update_cache(SSL *s,int mode)
sl@0	1895	{
sl@0	1896	int i;
sl@0	1897
sl@0	1898	/* If the session_id_length is 0, we are not supposed to cache it,
sl@0	1899	* and it would be rather hard to do anyway :-) */
sl@0	1900	if (s->session->session_id_length == 0) return;
sl@0	1901
sl@0	1902	i=s->ctx->session_cache_mode;
sl@0	1903	if ((i & mode) && (!s->hit)
sl@0	1904	&& ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE)
sl@0	1905	\|\| SSL_CTX_add_session(s->ctx,s->session))
sl@0	1906	&& (s->ctx->new_session_cb != NULL))
sl@0	1907	{
sl@0	1908	CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION);
sl@0	1909	if (!s->ctx->new_session_cb(s,s->session))
sl@0	1910	SSL_SESSION_free(s->session);
sl@0	1911	}
sl@0	1912
sl@0	1913	/* auto flush every 255 connections */
sl@0	1914	if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) &&
sl@0	1915	((i & mode) == mode))
sl@0	1916	{
sl@0	1917	if ( (((mode & SSL_SESS_CACHE_CLIENT)
sl@0	1918	?s->ctx->stats.sess_connect_good
sl@0	1919	:s->ctx->stats.sess_accept_good) & 0xff) == 0xff)
sl@0	1920	{
sl@0	1921	SSL_CTX_flush_sessions(s->ctx,(unsigned long)time(NULL));
sl@0	1922	}
sl@0	1923	}
sl@0	1924	}
sl@0	1925
sl@0	1926	EXPORT_C SSL_METHOD SSL_get_ssl_method(SSL s)
sl@0	1927	{
sl@0	1928	return(s->method);
sl@0	1929	}
sl@0	1930
sl@0	1931	EXPORT_C int SSL_set_ssl_method(SSL s,SSL_METHOD meth)
sl@0	1932	{
sl@0	1933	int conn= -1;
sl@0	1934	int ret=1;
sl@0	1935
sl@0	1936	if (s->method != meth)
sl@0	1937	{
sl@0	1938	if (s->handshake_func != NULL)
sl@0	1939	conn=(s->handshake_func == s->method->ssl_connect);
sl@0	1940
sl@0	1941	if (s->method->version == meth->version)
sl@0	1942	s->method=meth;
sl@0	1943	else
sl@0	1944	{
sl@0	1945	s->method->ssl_free(s);
sl@0	1946	s->method=meth;
sl@0	1947	ret=s->method->ssl_new(s);
sl@0	1948	}
sl@0	1949
sl@0	1950	if (conn == 1)
sl@0	1951	s->handshake_func=meth->ssl_connect;
sl@0	1952	else if (conn == 0)
sl@0	1953	s->handshake_func=meth->ssl_accept;
sl@0	1954	}
sl@0	1955	return(ret);
sl@0	1956	}
sl@0	1957
sl@0	1958	EXPORT_C int SSL_get_error(const SSL *s,int i)
sl@0	1959	{
sl@0	1960	int reason;
sl@0	1961	unsigned long l;
sl@0	1962	BIO *bio;
sl@0	1963
sl@0	1964	if (i > 0) return(SSL_ERROR_NONE);
sl@0	1965
sl@0	1966	/* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
sl@0	1967	* etc, where we do encode the error */
sl@0	1968	if ((l=ERR_peek_error()) != 0)
sl@0	1969	{
sl@0	1970	if (ERR_GET_LIB(l) == ERR_LIB_SYS)
sl@0	1971	return(SSL_ERROR_SYSCALL);
sl@0	1972	else
sl@0	1973	return(SSL_ERROR_SSL);
sl@0	1974	}
sl@0	1975
sl@0	1976	if ((i < 0) && SSL_want_read(s))
sl@0	1977	{
sl@0	1978	bio=SSL_get_rbio(s);
sl@0	1979	if (BIO_should_read(bio))
sl@0	1980	return(SSL_ERROR_WANT_READ);
sl@0	1981	else if (BIO_should_write(bio))
sl@0	1982	/* This one doesn't make too much sense ... We never try
sl@0	1983	* to write to the rbio, and an application program where
sl@0	1984	* rbio and wbio are separate couldn't even know what it
sl@0	1985	* should wait for.
sl@0	1986	* However if we ever set s->rwstate incorrectly
sl@0	1987	* (so that we have SSL_want_read(s) instead of
sl@0	1988	* SSL_want_write(s)) and rbio and wbio are the same,
sl@0	1989	* this test works around that bug; so it might be safer
sl@0	1990	* to keep it. */
sl@0	1991	return(SSL_ERROR_WANT_WRITE);
sl@0	1992	else if (BIO_should_io_special(bio))
sl@0	1993	{
sl@0	1994	reason=BIO_get_retry_reason(bio);
sl@0	1995	if (reason == BIO_RR_CONNECT)
sl@0	1996	return(SSL_ERROR_WANT_CONNECT);
sl@0	1997	else if (reason == BIO_RR_ACCEPT)
sl@0	1998	return(SSL_ERROR_WANT_ACCEPT);
sl@0	1999	else
sl@0	2000	return(SSL_ERROR_SYSCALL); /* unknown */
sl@0	2001	}
sl@0	2002	}
sl@0	2003
sl@0	2004	if ((i < 0) && SSL_want_write(s))
sl@0	2005	{
sl@0	2006	bio=SSL_get_wbio(s);
sl@0	2007	if (BIO_should_write(bio))
sl@0	2008	return(SSL_ERROR_WANT_WRITE);
sl@0	2009	else if (BIO_should_read(bio))
sl@0	2010	/* See above (SSL_want_read(s) with BIO_should_write(bio)) */
sl@0	2011	return(SSL_ERROR_WANT_READ);
sl@0	2012	else if (BIO_should_io_special(bio))
sl@0	2013	{
sl@0	2014	reason=BIO_get_retry_reason(bio);
sl@0	2015	if (reason == BIO_RR_CONNECT)
sl@0	2016	return(SSL_ERROR_WANT_CONNECT);
sl@0	2017	else if (reason == BIO_RR_ACCEPT)
sl@0	2018	return(SSL_ERROR_WANT_ACCEPT);
sl@0	2019	else
sl@0	2020	return(SSL_ERROR_SYSCALL);
sl@0	2021	}
sl@0	2022	}
sl@0	2023	if ((i < 0) && SSL_want_x509_lookup(s))
sl@0	2024	{
sl@0	2025	return(SSL_ERROR_WANT_X509_LOOKUP);
sl@0	2026	}
sl@0	2027
sl@0	2028	if (i == 0)
sl@0	2029	{
sl@0	2030	if (s->version == SSL2_VERSION)
sl@0	2031	{
sl@0	2032	/* assume it is the socket being closed */
sl@0	2033	return(SSL_ERROR_ZERO_RETURN);
sl@0	2034	}
sl@0	2035	else
sl@0	2036	{
sl@0	2037	if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) &&
sl@0	2038	(s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY))
sl@0	2039	return(SSL_ERROR_ZERO_RETURN);
sl@0	2040	}
sl@0	2041	}
sl@0	2042	return(SSL_ERROR_SYSCALL);
sl@0	2043	}
sl@0	2044
sl@0	2045	EXPORT_C int SSL_do_handshake(SSL *s)
sl@0	2046	{
sl@0	2047	int ret=1;
sl@0	2048
sl@0	2049	if (s->handshake_func == NULL)
sl@0	2050	{
sl@0	2051	SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET);
sl@0	2052	return(-1);
sl@0	2053	}
sl@0	2054
sl@0	2055	s->method->ssl_renegotiate_check(s);
sl@0	2056
sl@0	2057	if (SSL_in_init(s) \|\| SSL_in_before(s))
sl@0	2058	{
sl@0	2059	ret=s->handshake_func(s);
sl@0	2060	}
sl@0	2061	return(ret);
sl@0	2062	}
sl@0	2063
sl@0	2064	/* For the next 2 functions, SSL_clear() sets shutdown and so
sl@0	2065	* one of these calls will reset it */
sl@0	2066	EXPORT_C void SSL_set_accept_state(SSL *s)
sl@0	2067	{
sl@0	2068	s->server=1;
sl@0	2069	s->shutdown=0;
sl@0	2070	s->state=SSL_ST_ACCEPT\|SSL_ST_BEFORE;
sl@0	2071	s->handshake_func=s->method->ssl_accept;
sl@0	2072	/* clear the current cipher */
sl@0	2073	ssl_clear_cipher_ctx(s);
sl@0	2074	}
sl@0	2075
sl@0	2076	EXPORT_C void SSL_set_connect_state(SSL *s)
sl@0	2077	{
sl@0	2078	s->server=0;
sl@0	2079	s->shutdown=0;
sl@0	2080	s->state=SSL_ST_CONNECT\|SSL_ST_BEFORE;
sl@0	2081	s->handshake_func=s->method->ssl_connect;
sl@0	2082	/* clear the current cipher */
sl@0	2083	ssl_clear_cipher_ctx(s);
sl@0	2084	}
sl@0	2085
sl@0	2086	int ssl_undefined_function(SSL *s)
sl@0	2087	{
sl@0	2088	SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
sl@0	2089	return(0);
sl@0	2090	}
sl@0	2091
sl@0	2092	int ssl_undefined_void_function(void)
sl@0	2093	{
sl@0	2094	SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
sl@0	2095	return(0);
sl@0	2096	}
sl@0	2097
sl@0	2098	int ssl_undefined_const_function(const SSL *s)
sl@0	2099	{
sl@0	2100	SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
sl@0	2101	return(0);
sl@0	2102	}
sl@0	2103
sl@0	2104	SSL_METHOD *ssl_bad_method(int ver)
sl@0	2105	{
sl@0	2106	SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
sl@0	2107	return(NULL);
sl@0	2108	}
sl@0	2109
sl@0	2110	EXPORT_C const char SSL_get_version(const SSL s)
sl@0	2111	{
sl@0	2112	if (s->version == TLS1_VERSION)
sl@0	2113	return("TLSv1");
sl@0	2114	else if (s->version == SSL3_VERSION)
sl@0	2115	return("SSLv3");
sl@0	2116	else if (s->version == SSL2_VERSION)
sl@0	2117	return("SSLv2");
sl@0	2118	else
sl@0	2119	return("unknown");
sl@0	2120	}
sl@0	2121
sl@0	2122	EXPORT_C SSL SSL_dup(SSL s)
sl@0	2123	{
sl@0	2124	STACK_OF(X509_NAME) *sk;
sl@0	2125	X509_NAME *xn;
sl@0	2126	SSL *ret;
sl@0	2127	int i;
sl@0	2128
sl@0	2129	if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL)
sl@0	2130	return(NULL);
sl@0	2131
sl@0	2132	ret->version = s->version;
sl@0	2133	ret->type = s->type;
sl@0	2134	ret->method = s->method;
sl@0	2135
sl@0	2136	if (s->session != NULL)
sl@0	2137	{
sl@0	2138	/* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */
sl@0	2139	SSL_copy_session_id(ret,s);
sl@0	2140	}
sl@0	2141	else
sl@0	2142	{
sl@0	2143	/* No session has been established yet, so we have to expect
sl@0	2144	* that s->cert or ret->cert will be changed later --
sl@0	2145	* they should not both point to the same object,
sl@0	2146	* and thus we can't use SSL_copy_session_id. */
sl@0	2147
sl@0	2148	ret->method->ssl_free(ret);
sl@0	2149	ret->method = s->method;
sl@0	2150	ret->method->ssl_new(ret);
sl@0	2151
sl@0	2152	if (s->cert != NULL)
sl@0	2153	{
sl@0	2154	if (ret->cert != NULL)
sl@0	2155	{
sl@0	2156	ssl_cert_free(ret->cert);
sl@0	2157	}
sl@0	2158	ret->cert = ssl_cert_dup(s->cert);
sl@0	2159	if (ret->cert == NULL)
sl@0	2160	goto err;
sl@0	2161	}
sl@0	2162
sl@0	2163	SSL_set_session_id_context(ret,
sl@0	2164	s->sid_ctx, s->sid_ctx_length);
sl@0	2165	}
sl@0	2166
sl@0	2167	ret->options=s->options;
sl@0	2168	ret->mode=s->mode;
sl@0	2169	SSL_set_max_cert_list(ret,SSL_get_max_cert_list(s));
sl@0	2170	SSL_set_read_ahead(ret,SSL_get_read_ahead(s));
sl@0	2171	ret->msg_callback = s->msg_callback;
sl@0	2172	ret->msg_callback_arg = s->msg_callback_arg;
sl@0	2173	SSL_set_verify(ret,SSL_get_verify_mode(s),
sl@0	2174	SSL_get_verify_callback(s));
sl@0	2175	SSL_set_verify_depth(ret,SSL_get_verify_depth(s));
sl@0	2176	ret->generate_session_id = s->generate_session_id;
sl@0	2177
sl@0	2178	SSL_set_info_callback(ret,SSL_get_info_callback(s));
sl@0	2179
sl@0	2180	ret->debug=s->debug;
sl@0	2181
sl@0	2182	/* copy app data, a little dangerous perhaps */
sl@0	2183	if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data))
sl@0	2184	goto err;
sl@0	2185
sl@0	2186	/* setup rbio, and wbio */
sl@0	2187	if (s->rbio != NULL)
sl@0	2188	{
sl@0	2189	if (!BIO_dup_state(s->rbio,(char *)&ret->rbio))
sl@0	2190	goto err;
sl@0	2191	}
sl@0	2192	if (s->wbio != NULL)
sl@0	2193	{
sl@0	2194	if (s->wbio != s->rbio)
sl@0	2195	{
sl@0	2196	if (!BIO_dup_state(s->wbio,(char *)&ret->wbio))
sl@0	2197	goto err;
sl@0	2198	}
sl@0	2199	else
sl@0	2200	ret->wbio=ret->rbio;
sl@0	2201	}
sl@0	2202	ret->rwstate = s->rwstate;
sl@0	2203	ret->in_handshake = s->in_handshake;
sl@0	2204	ret->handshake_func = s->handshake_func;
sl@0	2205	ret->server = s->server;
sl@0	2206	ret->new_session = s->new_session;
sl@0	2207	ret->quiet_shutdown = s->quiet_shutdown;
sl@0	2208	ret->shutdown=s->shutdown;
sl@0	2209	ret->state=s->state; /* SSL_dup does not really work at any state, though */
sl@0	2210	ret->rstate=s->rstate;
sl@0	2211	ret->init_num = 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */
sl@0	2212	ret->hit=s->hit;
sl@0	2213
sl@0	2214	X509_VERIFY_PARAM_inherit(ret->param, s->param);
sl@0	2215
sl@0	2216	/* dup the cipher_list and cipher_list_by_id stacks */
sl@0	2217	if (s->cipher_list != NULL)
sl@0	2218	{
sl@0	2219	if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)
sl@0	2220	goto err;
sl@0	2221	}
sl@0	2222	if (s->cipher_list_by_id != NULL)
sl@0	2223	if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id))
sl@0	2224	== NULL)
sl@0	2225	goto err;
sl@0	2226
sl@0	2227	/* Dup the client_CA list */
sl@0	2228	if (s->client_CA != NULL)
sl@0	2229	{
sl@0	2230	if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err;
sl@0	2231	ret->client_CA=sk;
sl@0	2232	for (i=0; i<sk_X509_NAME_num(sk); i++)
sl@0	2233	{
sl@0	2234	xn=sk_X509_NAME_value(sk,i);
sl@0	2235	if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL)
sl@0	2236	{
sl@0	2237	X509_NAME_free(xn);
sl@0	2238	goto err;
sl@0	2239	}
sl@0	2240	}
sl@0	2241	}
sl@0	2242
sl@0	2243	if (0)
sl@0	2244	{
sl@0	2245	err:
sl@0	2246	if (ret != NULL) SSL_free(ret);
sl@0	2247	ret=NULL;
sl@0	2248	}
sl@0	2249	return(ret);
sl@0	2250	}
sl@0	2251
sl@0	2252	void ssl_clear_cipher_ctx(SSL *s)
sl@0	2253	{
sl@0	2254	if (s->enc_read_ctx != NULL)
sl@0	2255	{
sl@0	2256	EVP_CIPHER_CTX_cleanup(s->enc_read_ctx);
sl@0	2257	OPENSSL_free(s->enc_read_ctx);
sl@0	2258	s->enc_read_ctx=NULL;
sl@0	2259	}
sl@0	2260	if (s->enc_write_ctx != NULL)
sl@0	2261	{
sl@0	2262	EVP_CIPHER_CTX_cleanup(s->enc_write_ctx);
sl@0	2263	OPENSSL_free(s->enc_write_ctx);
sl@0	2264	s->enc_write_ctx=NULL;
sl@0	2265	}
sl@0	2266	#ifndef OPENSSL_NO_COMP
sl@0	2267	if (s->expand != NULL)
sl@0	2268	{
sl@0	2269	COMP_CTX_free(s->expand);
sl@0	2270	s->expand=NULL;
sl@0	2271	}
sl@0	2272	if (s->compress != NULL)
sl@0	2273	{
sl@0	2274	COMP_CTX_free(s->compress);
sl@0	2275	s->compress=NULL;
sl@0	2276	}
sl@0	2277	#endif
sl@0	2278	}
sl@0	2279
sl@0	2280	/* Fix this function so that it takes an optional type parameter */
sl@0	2281	EXPORT_C X509 SSL_get_certificate(const SSL s)
sl@0	2282	{
sl@0	2283	if (s->cert != NULL)
sl@0	2284	return(s->cert->key->x509);
sl@0	2285	else
sl@0	2286	return(NULL);
sl@0	2287	}
sl@0	2288
sl@0	2289	/* Fix this function so that it takes an optional type parameter */
sl@0	2290	EXPORT_C EVP_PKEY SSL_get_privatekey(SSL s)
sl@0	2291	{
sl@0	2292	if (s->cert != NULL)
sl@0	2293	return(s->cert->key->privatekey);
sl@0	2294	else
sl@0	2295	return(NULL);
sl@0	2296	}
sl@0	2297
sl@0	2298	EXPORT_C SSL_CIPHER SSL_get_current_cipher(const SSL s)
sl@0	2299	{
sl@0	2300	if ((s->session != NULL) && (s->session->cipher != NULL))
sl@0	2301	return(s->session->cipher);
sl@0	2302	return(NULL);
sl@0	2303	}
sl@0	2304	#ifdef OPENSSL_NO_COMP
sl@0	2305	EXPORT_C const void SSL_get_current_compression(SSL s)
sl@0	2306	{
sl@0	2307	return NULL;
sl@0	2308	}
sl@0	2309	EXPORT_C const void SSL_get_current_expansion(SSL s)
sl@0	2310	{
sl@0	2311	return NULL;
sl@0	2312	}
sl@0	2313	#else
sl@0	2314
sl@0	2315	EXPORT_C const COMP_METHOD SSL_get_current_compression(SSL s)
sl@0	2316	{
sl@0	2317	if (s->compress != NULL)
sl@0	2318	return(s->compress->meth);
sl@0	2319	return(NULL);
sl@0	2320	}
sl@0	2321
sl@0	2322	EXPORT_C const COMP_METHOD SSL_get_current_expansion(SSL s)
sl@0	2323	{
sl@0	2324	if (s->expand != NULL)
sl@0	2325	return(s->expand->meth);
sl@0	2326	return(NULL);
sl@0	2327	}
sl@0	2328	#endif
sl@0	2329
sl@0	2330	int ssl_init_wbio_buffer(SSL *s,int push)
sl@0	2331	{
sl@0	2332	BIO *bbio;
sl@0	2333
sl@0	2334	if (s->bbio == NULL)
sl@0	2335	{
sl@0	2336	bbio=BIO_new(BIO_f_buffer());
sl@0	2337	if (bbio == NULL) return(0);
sl@0	2338	s->bbio=bbio;
sl@0	2339	}
sl@0	2340	else
sl@0	2341	{
sl@0	2342	bbio=s->bbio;
sl@0	2343	if (s->bbio == s->wbio)
sl@0	2344	s->wbio=BIO_pop(s->wbio);
sl@0	2345	}
sl@0	2346	(void)BIO_reset(bbio);
sl@0	2347	/* if (!BIO_set_write_buffer_size(bbio,161024)) /
sl@0	2348	if (!BIO_set_read_buffer_size(bbio,1))
sl@0	2349	{
sl@0	2350	SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB);
sl@0	2351	return(0);
sl@0	2352	}
sl@0	2353	if (push)
sl@0	2354	{
sl@0	2355	if (s->wbio != bbio)
sl@0	2356	s->wbio=BIO_push(bbio,s->wbio);
sl@0	2357	}
sl@0	2358	else
sl@0	2359	{
sl@0	2360	if (s->wbio == bbio)
sl@0	2361	s->wbio=BIO_pop(bbio);
sl@0	2362	}
sl@0	2363	return(1);
sl@0	2364	}
sl@0	2365
sl@0	2366	void ssl_free_wbio_buffer(SSL *s)
sl@0	2367	{
sl@0	2368	if (s->bbio == NULL) return;
sl@0	2369
sl@0	2370	if (s->bbio == s->wbio)
sl@0	2371	{
sl@0	2372	/* remove buffering */
sl@0	2373	s->wbio=BIO_pop(s->wbio);
sl@0	2374	#ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */
sl@0	2375	assert(s->wbio != NULL);
sl@0	2376	#endif
sl@0	2377	}
sl@0	2378	BIO_free(s->bbio);
sl@0	2379	s->bbio=NULL;
sl@0	2380	}
sl@0	2381
sl@0	2382	EXPORT_C void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode)
sl@0	2383	{
sl@0	2384	ctx->quiet_shutdown=mode;
sl@0	2385	}
sl@0	2386
sl@0	2387	EXPORT_C int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx)
sl@0	2388	{
sl@0	2389	return(ctx->quiet_shutdown);
sl@0	2390	}
sl@0	2391
sl@0	2392	EXPORT_C void SSL_set_quiet_shutdown(SSL *s,int mode)
sl@0	2393	{
sl@0	2394	s->quiet_shutdown=mode;
sl@0	2395	}
sl@0	2396
sl@0	2397	EXPORT_C int SSL_get_quiet_shutdown(const SSL *s)
sl@0	2398	{
sl@0	2399	return(s->quiet_shutdown);
sl@0	2400	}
sl@0	2401
sl@0	2402	EXPORT_C void SSL_set_shutdown(SSL *s,int mode)
sl@0	2403	{
sl@0	2404	s->shutdown=mode;
sl@0	2405	}
sl@0	2406
sl@0	2407	EXPORT_C int SSL_get_shutdown(const SSL *s)
sl@0	2408	{
sl@0	2409	return(s->shutdown);
sl@0	2410	}
sl@0	2411
sl@0	2412	EXPORT_C int SSL_version(const SSL *s)
sl@0	2413	{
sl@0	2414	return(s->version);
sl@0	2415	}
sl@0	2416
sl@0	2417	EXPORT_C SSL_CTX SSL_get_SSL_CTX(const SSL ssl)
sl@0	2418	{
sl@0	2419	return(ssl->ctx);
sl@0	2420	}
sl@0	2421
sl@0	2422	EXPORT_C SSL_CTX SSL_set_SSL_CTX(SSL ssl, SSL_CTX* ctx)
sl@0	2423	{
sl@0	2424	if (ssl->ctx == ctx)
sl@0	2425	return ssl->ctx;
sl@0	2426
sl@0	2427	if (ssl->cert != NULL)
sl@0	2428	ssl_cert_free(ssl->cert);
sl@0	2429	ssl->cert = ssl_cert_dup(ctx->cert);
sl@0	2430	CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
sl@0	2431	if (ssl->ctx != NULL)
sl@0	2432	SSL_CTX_free(ssl->ctx); /* decrement reference count */
sl@0	2433	ssl->ctx = ctx;
sl@0	2434	return(ssl->ctx);
sl@0	2435	}
sl@0	2436	#ifndef OPENSSL_NO_STDIO
sl@0	2437	EXPORT_C int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
sl@0	2438	{
sl@0	2439	return(X509_STORE_set_default_paths(ctx->cert_store));
sl@0	2440	}
sl@0	2441
sl@0	2442	EXPORT_C int SSL_CTX_load_verify_locations(SSL_CTX ctx, const char CAfile,
sl@0	2443	const char *CApath)
sl@0	2444	{
sl@0	2445	return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath));
sl@0	2446	}
sl@0	2447	#endif
sl@0	2448
sl@0	2449	EXPORT_C void SSL_set_info_callback(SSL *ssl,
sl@0	2450	void (cb)(const SSL ssl,int type,int val))
sl@0	2451	{
sl@0	2452	ssl->info_callback=cb;
sl@0	2453	}
sl@0	2454
sl@0	2455	/* One compiler (Diab DCC) doesn't like argument names in returned
sl@0	2456	function pointer. */
sl@0	2457	EXPORT_C void (SSL_get_info_callback(const SSL ssl))(const SSL * /ssl/,int /type/,int /val/)
sl@0	2458	{
sl@0	2459	return ssl->info_callback;
sl@0	2460	}
sl@0	2461
sl@0	2462	EXPORT_C int SSL_state(const SSL *ssl)
sl@0	2463	{
sl@0	2464	return(ssl->state);
sl@0	2465	}
sl@0	2466
sl@0	2467	EXPORT_C void SSL_set_verify_result(SSL *ssl,long arg)
sl@0	2468	{
sl@0	2469	ssl->verify_result=arg;
sl@0	2470	}
sl@0	2471
sl@0	2472	EXPORT_C long SSL_get_verify_result(const SSL *ssl)
sl@0	2473	{
sl@0	2474	return(ssl->verify_result);
sl@0	2475	}
sl@0	2476
sl@0	2477	EXPORT_C int SSL_get_ex_new_index(long argl,void argp,CRYPTO_EX_new new_func,
sl@0	2478	CRYPTO_EX_dup dup_func,CRYPTO_EX_free free_func)
sl@0	2479	{
sl@0	2480	return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, argl, argp,
sl@0	2481	new_func, dup_func, free_func);
sl@0	2482	}
sl@0	2483
sl@0	2484	EXPORT_C int SSL_set_ex_data(SSL s,int idx,void arg)
sl@0	2485	{
sl@0	2486	return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
sl@0	2487	}
sl@0	2488
sl@0	2489	EXPORT_C void SSL_get_ex_data(const SSL s,int idx)
sl@0	2490	{
sl@0	2491	return(CRYPTO_get_ex_data(&s->ex_data,idx));
sl@0	2492	}
sl@0	2493
sl@0	2494	EXPORT_C int SSL_CTX_get_ex_new_index(long argl,void argp,CRYPTO_EX_new new_func,
sl@0	2495	CRYPTO_EX_dup dup_func,CRYPTO_EX_free free_func)
sl@0	2496	{
sl@0	2497	return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, argl, argp,
sl@0	2498	new_func, dup_func, free_func);
sl@0	2499	}
sl@0	2500
sl@0	2501	EXPORT_C int SSL_CTX_set_ex_data(SSL_CTX s,int idx,void arg)
sl@0	2502	{
sl@0	2503	return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
sl@0	2504	}
sl@0	2505
sl@0	2506	EXPORT_C void SSL_CTX_get_ex_data(const SSL_CTX s,int idx)
sl@0	2507	{
sl@0	2508	return(CRYPTO_get_ex_data(&s->ex_data,idx));
sl@0	2509	}
sl@0	2510
sl@0	2511	int ssl_ok(SSL *s)
sl@0	2512	{
sl@0	2513	return(1);
sl@0	2514	}
sl@0	2515
sl@0	2516	EXPORT_C X509_STORE SSL_CTX_get_cert_store(const SSL_CTX ctx)
sl@0	2517	{
sl@0	2518	return(ctx->cert_store);
sl@0	2519	}
sl@0	2520
sl@0	2521	EXPORT_C void SSL_CTX_set_cert_store(SSL_CTX ctx,X509_STORE store)
sl@0	2522	{
sl@0	2523	if (ctx->cert_store != NULL)
sl@0	2524	X509_STORE_free(ctx->cert_store);
sl@0	2525	ctx->cert_store=store;
sl@0	2526	}
sl@0	2527
sl@0	2528	EXPORT_C int SSL_want(const SSL *s)
sl@0	2529	{
sl@0	2530	return(s->rwstate);
sl@0	2531	}
sl@0	2532
sl@0	2533	/*!
sl@0	2534	* \brief Set the callback for generating temporary RSA keys.
sl@0	2535	* \param ctx the SSL context.
sl@0	2536	* \param cb the callback
sl@0	2537	*/
sl@0	2538
sl@0	2539	#ifndef OPENSSL_NO_RSA
sl@0	2540	EXPORT_C void SSL_CTX_set_tmp_rsa_callback(SSL_CTX ctx,RSA (cb)(SSL ssl,
sl@0	2541	int is_export,
sl@0	2542	int keylength))
sl@0	2543	{
sl@0	2544	SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
sl@0	2545	}
sl@0	2546
sl@0	2547	EXPORT_C void SSL_set_tmp_rsa_callback(SSL ssl,RSA (cb)(SSL ssl,
sl@0	2548	int is_export,
sl@0	2549	int keylength))
sl@0	2550	{
sl@0	2551	SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
sl@0	2552	}
sl@0	2553	#endif
sl@0	2554
sl@0	2555	#ifdef DOXYGEN
sl@0	2556	/*!
sl@0	2557	* \brief The RSA temporary key callback function.
sl@0	2558	* \param ssl the SSL session.
sl@0	2559	* \param is_export \c TRUE if the temp RSA key is for an export ciphersuite.
sl@0	2560	* \param keylength if \c is_export is \c TRUE, then \c keylength is the size
sl@0	2561	* of the required key in bits.
sl@0	2562	* \return the temporary RSA key.
sl@0	2563	* \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback
sl@0	2564	*/
sl@0	2565
sl@0	2566	RSA cb(SSL ssl,int is_export,int keylength)
sl@0	2567	{}
sl@0	2568	#endif
sl@0	2569
sl@0	2570	/*!
sl@0	2571	* \brief Set the callback for generating temporary DH keys.
sl@0	2572	* \param ctx the SSL context.
sl@0	2573	* \param dh the callback
sl@0	2574	*/
sl@0	2575
sl@0	2576	#ifndef OPENSSL_NO_DH
sl@0	2577	EXPORT_C void SSL_CTX_set_tmp_dh_callback(SSL_CTX ctx,DH (dh)(SSL ssl,int is_export,
sl@0	2578	int keylength))
sl@0	2579	{
sl@0	2580	SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
sl@0	2581	}
sl@0	2582
sl@0	2583	EXPORT_C void SSL_set_tmp_dh_callback(SSL ssl,DH (dh)(SSL ssl,int is_export,
sl@0	2584	int keylength))
sl@0	2585	{
sl@0	2586	SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
sl@0	2587	}
sl@0	2588	#endif
sl@0	2589
sl@0	2590	#ifndef OPENSSL_NO_ECDH
sl@0	2591	EXPORT_C void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX ctx,EC_KEY (ecdh)(SSL ssl,int is_export,
sl@0	2592	int keylength))
sl@0	2593	{
sl@0	2594	SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);
sl@0	2595	}
sl@0	2596
sl@0	2597	EXPORT_C void SSL_set_tmp_ecdh_callback(SSL ssl,EC_KEY (ecdh)(SSL ssl,int is_export,
sl@0	2598	int keylength))
sl@0	2599	{
sl@0	2600	SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);
sl@0	2601	}
sl@0	2602	#endif
sl@0	2603
sl@0	2604
sl@0	2605	EXPORT_C 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))
sl@0	2606	{
sl@0	2607	SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
sl@0	2608	}
sl@0	2609	EXPORT_C 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))
sl@0	2610	{
sl@0	2611	SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
sl@0	2612	}
sl@0	2613
sl@0	2614
sl@0	2615
sl@0	2616	#if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16)
sl@0	2617	#include "../crypto/bio/bss_file.c"
sl@0	2618	#endif
sl@0	2619
sl@0	2620	IMPLEMENT_STACK_OF(SSL_CIPHER)
sl@0	2621	IMPLEMENT_STACK_OF(SSL_COMP)

author	sl@SLION-WIN7.fritz.box
	Fri, 15 Jun 2012 03:10:57 +0200
changeset 0	bde4ae8d615e
permissions	-rw-r--r--