diff options
Diffstat (limited to 'openssl/ssl/ssl_lib.c')
| -rw-r--r-- | openssl/ssl/ssl_lib.c | 3242 |
1 files changed, 0 insertions, 3242 deletions
diff --git a/openssl/ssl/ssl_lib.c b/openssl/ssl/ssl_lib.c deleted file mode 100644 index b169ba93..00000000 --- a/openssl/ssl/ssl_lib.c +++ /dev/null @@ -1,3242 +0,0 @@ -/*! \file ssl/ssl_lib.c - * \brief Version independent SSL functions. - */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. - * - * This package is an SSL implementation written - * by Eric Young (eay@cryptsoft.com). - * The implementation was written so as to conform with Netscapes SSL. - * - * This library is free for commercial and non-commercial use as long as - * the following conditions are aheared to. The following conditions - * apply to all code found in this distribution, be it the RC4, RSA, - * lhash, DES, etc., code; not just the SSL code. The SSL documentation - * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. - * If this package is used in a product, Eric Young should be given attribution - * as the author of the parts of the library used. - * This can be in the form of a textual message at program startup or - * in documentation (online or textual) provided with the package. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * "This product includes cryptographic software written by - * Eric Young (eay@cryptsoft.com)" - * The word 'cryptographic' can be left out if the rouines from the library - * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from - * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * - * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * The licence and distribution terms for any publically available version or - * derivative of this code cannot be changed. i.e. this code cannot simply be - * copied and put under another distribution licence - * [including the GNU Public Licence.] - */ -/* ==================================================================== - * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * openssl-core@openssl.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.openssl.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ -/* ==================================================================== - * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. - * ECC cipher suite support in OpenSSL originally developed by - * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. - */ -/* ==================================================================== - * Copyright 2005 Nokia. All rights reserved. - * - * The portions of the attached software ("Contribution") is developed by - * Nokia Corporation and is licensed pursuant to the OpenSSL open source - * license. - * - * The Contribution, originally written by Mika Kousa and Pasi Eronen of - * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites - * support (see RFC 4279) to OpenSSL. - * - * No patent licenses or other rights except those expressly stated in - * the OpenSSL open source license shall be deemed granted or received - * expressly, by implication, estoppel, or otherwise. - * - * No assurances are provided by Nokia that the Contribution does not - * infringe the patent or other intellectual property rights of any third - * party or that the license provides you with all the necessary rights - * to make use of the Contribution. - * - * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN - * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA - * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY - * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR - * OTHERWISE. - */ - -#ifdef REF_CHECK -# include <assert.h> -#endif -#include <stdio.h> -#include "ssl_locl.h" -#include "kssl_lcl.h" -#include <openssl/objects.h> -#include <openssl/lhash.h> -#include <openssl/x509v3.h> -#include <openssl/rand.h> -#include <openssl/ocsp.h> -#ifndef OPENSSL_NO_DH -#include <openssl/dh.h> -#endif -#ifndef OPENSSL_NO_ENGINE -#include <openssl/engine.h> -#endif - -const char *SSL_version_str=OPENSSL_VERSION_TEXT; - -SSL3_ENC_METHOD ssl3_undef_enc_method={ - /* evil casts, but these functions are only called if there's a library bug */ - (int (*)(SSL *,int))ssl_undefined_function, - (int (*)(SSL *, unsigned char *, int))ssl_undefined_function, - ssl_undefined_function, - (int (*)(SSL *, unsigned char *, unsigned char *, int))ssl_undefined_function, - (int (*)(SSL*, int))ssl_undefined_function, - (int (*)(SSL *, const char*, int, unsigned char *))ssl_undefined_function, - 0, /* finish_mac_length */ - (int (*)(SSL *, int, unsigned char *))ssl_undefined_function, - NULL, /* client_finished_label */ - 0, /* client_finished_label_len */ - NULL, /* server_finished_label */ - 0, /* server_finished_label_len */ - (int (*)(int))ssl_undefined_function - }; - -int SSL_clear(SSL *s) - { - - if (s->method == NULL) - { - SSLerr(SSL_F_SSL_CLEAR,SSL_R_NO_METHOD_SPECIFIED); - return(0); - } - - if (ssl_clear_bad_session(s)) - { - SSL_SESSION_free(s->session); - s->session=NULL; - } - - s->error=0; - s->hit=0; - s->shutdown=0; - -#if 0 /* Disabled since version 1.10 of this file (early return not - * needed because SSL_clear is not called when doing renegotiation) */ - /* This is set if we are doing dynamic renegotiation so keep - * the old cipher. It is sort of a SSL_clear_lite :-) */ - if (s->new_session) return(1); -#else - if (s->new_session) - { - SSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR); - return 0; - } -#endif - - s->type=0; - - s->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT); - - s->version=s->method->version; - s->client_version=s->version; - s->rwstate=SSL_NOTHING; - s->rstate=SSL_ST_READ_HEADER; -#if 0 - s->read_ahead=s->ctx->read_ahead; -#endif - - if (s->init_buf != NULL) - { - BUF_MEM_free(s->init_buf); - s->init_buf=NULL; - } - - ssl_clear_cipher_ctx(s); - ssl_clear_hash_ctx(&s->read_hash); - ssl_clear_hash_ctx(&s->write_hash); - - s->first_packet=0; - -#if 1 - /* Check to see if we were changed into a different method, if - * so, revert back if we are not doing session-id reuse. */ - if (!s->in_handshake && (s->session == NULL) && (s->method != s->ctx->method)) - { - s->method->ssl_free(s); - s->method=s->ctx->method; - if (!s->method->ssl_new(s)) - return(0); - } - else -#endif - s->method->ssl_clear(s); - return(1); - } - -/** Used to change an SSL_CTXs default SSL method type */ -int SSL_CTX_set_ssl_version(SSL_CTX *ctx,const SSL_METHOD *meth) - { - STACK_OF(SSL_CIPHER) *sk; - - ctx->method=meth; - - sk=ssl_create_cipher_list(ctx->method,&(ctx->cipher_list), - &(ctx->cipher_list_by_id), - meth->version == SSL2_VERSION ? "SSLv2" : SSL_DEFAULT_CIPHER_LIST); - if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0)) - { - SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION,SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS); - return(0); - } - return(1); - } - -SSL *SSL_new(SSL_CTX *ctx) - { - SSL *s; - - if (ctx == NULL) - { - SSLerr(SSL_F_SSL_NEW,SSL_R_NULL_SSL_CTX); - return(NULL); - } - if (ctx->method == NULL) - { - SSLerr(SSL_F_SSL_NEW,SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION); - return(NULL); - } - - s=(SSL *)OPENSSL_malloc(sizeof(SSL)); - if (s == NULL) goto err; - memset(s,0,sizeof(SSL)); - -#ifndef OPENSSL_NO_KRB5 - s->kssl_ctx = kssl_ctx_new(); -#endif /* OPENSSL_NO_KRB5 */ - - s->options=ctx->options; - s->mode=ctx->mode; - s->max_cert_list=ctx->max_cert_list; - - if (ctx->cert != NULL) - { - /* Earlier library versions used to copy the pointer to - * the CERT, not its contents; only when setting new - * parameters for the per-SSL copy, ssl_cert_new would be - * called (and the direct reference to the per-SSL_CTX - * settings would be lost, but those still were indirectly - * accessed for various purposes, and for that reason they - * used to be known as s->ctx->default_cert). - * Now we don't look at the SSL_CTX's CERT after having - * duplicated it once. */ - - s->cert = ssl_cert_dup(ctx->cert); - if (s->cert == NULL) - goto err; - } - else - s->cert=NULL; /* Cannot really happen (see SSL_CTX_new) */ - - s->read_ahead=ctx->read_ahead; - s->msg_callback=ctx->msg_callback; - s->msg_callback_arg=ctx->msg_callback_arg; - s->verify_mode=ctx->verify_mode; -#if 0 - s->verify_depth=ctx->verify_depth; -#endif - s->sid_ctx_length=ctx->sid_ctx_length; - OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx); - memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx)); - s->verify_callback=ctx->default_verify_callback; - s->session_creation_enabled=1; - s->generate_session_id=ctx->generate_session_id; - - s->param = X509_VERIFY_PARAM_new(); - if (!s->param) - goto err; - X509_VERIFY_PARAM_inherit(s->param, ctx->param); -#if 0 - s->purpose = ctx->purpose; - s->trust = ctx->trust; -#endif - s->quiet_shutdown=ctx->quiet_shutdown; - s->max_send_fragment = ctx->max_send_fragment; - - CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); - s->ctx=ctx; -#ifndef OPENSSL_NO_TLSEXT - s->tlsext_debug_cb = 0; - s->tlsext_debug_arg = NULL; - s->tlsext_ticket_expected = 0; - s->tlsext_status_type = -1; - s->tlsext_status_expected = 0; - s->tlsext_ocsp_ids = NULL; - s->tlsext_ocsp_exts = NULL; - s->tlsext_ocsp_resp = NULL; - s->tlsext_ocsp_resplen = -1; - CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); - s->initial_ctx=ctx; -# ifndef OPENSSL_NO_NEXTPROTONEG - s->next_proto_negotiated = NULL; -# endif -#endif - - s->verify_result=X509_V_OK; - - s->method=ctx->method; - - if (!s->method->ssl_new(s)) - goto err; - - s->references=1; - s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1; - - SSL_clear(s); - - CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); - -#ifndef OPENSSL_NO_PSK - s->psk_client_callback=ctx->psk_client_callback; - s->psk_server_callback=ctx->psk_server_callback; -#endif - - return(s); -err: - if (s != NULL) - { - if (s->cert != NULL) - ssl_cert_free(s->cert); - if (s->ctx != NULL) - SSL_CTX_free(s->ctx); /* decrement reference count */ - OPENSSL_free(s); - } - SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE); - return(NULL); - } - -int SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx, - unsigned int sid_ctx_len) - { - if(sid_ctx_len > sizeof ctx->sid_ctx) - { - SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); - return 0; - } - ctx->sid_ctx_length=sid_ctx_len; - memcpy(ctx->sid_ctx,sid_ctx,sid_ctx_len); - - return 1; - } - -int SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx, - unsigned int sid_ctx_len) - { - if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) - { - SSLerr(SSL_F_SSL_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG); - return 0; - } - ssl->sid_ctx_length=sid_ctx_len; - memcpy(ssl->sid_ctx,sid_ctx,sid_ctx_len); - - return 1; - } - -int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb) - { - CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX); - ctx->generate_session_id = cb; - CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX); - return 1; - } - -int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb) - { - CRYPTO_w_lock(CRYPTO_LOCK_SSL); - ssl->generate_session_id = cb; - CRYPTO_w_unlock(CRYPTO_LOCK_SSL); - return 1; - } - -int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id, - unsigned int id_len) - { - /* A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how - * we can "construct" a session to give us the desired check - ie. to - * find if there's a session in the hash table that would conflict with - * any new session built out of this id/id_len and the ssl_version in - * use by this SSL. */ - SSL_SESSION r, *p; - - if(id_len > sizeof r.session_id) - return 0; - - r.ssl_version = ssl->version; - r.session_id_length = id_len; - memcpy(r.session_id, id, id_len); - /* NB: SSLv2 always uses a fixed 16-byte session ID, so even if a - * callback is calling us to check the uniqueness of a shorter ID, it - * must be compared as a padded-out ID because that is what it will be - * converted to when the callback has finished choosing it. */ - if((r.ssl_version == SSL2_VERSION) && - (id_len < SSL2_SSL_SESSION_ID_LENGTH)) - { - memset(r.session_id + id_len, 0, - SSL2_SSL_SESSION_ID_LENGTH - id_len); - r.session_id_length = SSL2_SSL_SESSION_ID_LENGTH; - } - - CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX); - p = lh_SSL_SESSION_retrieve(ssl->ctx->sessions, &r); - CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX); - return (p != NULL); - } - -int SSL_CTX_set_purpose(SSL_CTX *s, int purpose) - { - return X509_VERIFY_PARAM_set_purpose(s->param, purpose); - } - -int SSL_set_purpose(SSL *s, int purpose) - { - return X509_VERIFY_PARAM_set_purpose(s->param, purpose); - } - -int SSL_CTX_set_trust(SSL_CTX *s, int trust) - { - return X509_VERIFY_PARAM_set_trust(s->param, trust); - } - -int SSL_set_trust(SSL *s, int trust) - { - return X509_VERIFY_PARAM_set_trust(s->param, trust); - } - -int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm) - { - return X509_VERIFY_PARAM_set1(ctx->param, vpm); - } - -int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm) - { - return X509_VERIFY_PARAM_set1(ssl->param, vpm); - } - -void SSL_free(SSL *s) - { - int i; - - if(s == NULL) - return; - - i=CRYPTO_add(&s->references,-1,CRYPTO_LOCK_SSL); -#ifdef REF_PRINT - REF_PRINT("SSL",s); -#endif - if (i > 0) return; -#ifdef REF_CHECK - if (i < 0) - { - fprintf(stderr,"SSL_free, bad reference count\n"); - abort(); /* ok */ - } -#endif - - if (s->param) - X509_VERIFY_PARAM_free(s->param); - - CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data); - - if (s->bbio != NULL) - { - /* If the buffering BIO is in place, pop it off */ - if (s->bbio == s->wbio) - { - s->wbio=BIO_pop(s->wbio); - } - BIO_free(s->bbio); - s->bbio=NULL; - } - if (s->rbio != NULL) - BIO_free_all(s->rbio); - if ((s->wbio != NULL) && (s->wbio != s->rbio)) - BIO_free_all(s->wbio); - - if (s->init_buf != NULL) BUF_MEM_free(s->init_buf); - - /* add extra stuff */ - if (s->cipher_list != NULL) sk_SSL_CIPHER_free(s->cipher_list); - if (s->cipher_list_by_id != NULL) sk_SSL_CIPHER_free(s->cipher_list_by_id); - - /* Make the next call work :-) */ - if (s->session != NULL) - { - ssl_clear_bad_session(s); - SSL_SESSION_free(s->session); - } - - ssl_clear_cipher_ctx(s); - ssl_clear_hash_ctx(&s->read_hash); - ssl_clear_hash_ctx(&s->write_hash); - - if (s->cert != NULL) ssl_cert_free(s->cert); - /* Free up if allocated */ - -#ifndef OPENSSL_NO_TLSEXT - if (s->tlsext_hostname) - OPENSSL_free(s->tlsext_hostname); - if (s->initial_ctx) SSL_CTX_free(s->initial_ctx); -#ifndef OPENSSL_NO_EC - if (s->tlsext_ecpointformatlist) OPENSSL_free(s->tlsext_ecpointformatlist); - if (s->tlsext_ellipticcurvelist) OPENSSL_free(s->tlsext_ellipticcurvelist); -#endif /* OPENSSL_NO_EC */ - if (s->tlsext_opaque_prf_input) OPENSSL_free(s->tlsext_opaque_prf_input); - if (s->tlsext_ocsp_exts) - sk_X509_EXTENSION_pop_free(s->tlsext_ocsp_exts, - X509_EXTENSION_free); - if (s->tlsext_ocsp_ids) - sk_OCSP_RESPID_pop_free(s->tlsext_ocsp_ids, OCSP_RESPID_free); - if (s->tlsext_ocsp_resp) - OPENSSL_free(s->tlsext_ocsp_resp); -#endif - - if (s->client_CA != NULL) - sk_X509_NAME_pop_free(s->client_CA,X509_NAME_free); - - if (s->method != NULL) s->method->ssl_free(s); - - if (s->ctx) SSL_CTX_free(s->ctx); - -#ifndef OPENSSL_NO_KRB5 - if (s->kssl_ctx != NULL) - kssl_ctx_free(s->kssl_ctx); -#endif /* OPENSSL_NO_KRB5 */ - -#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) - if (s->next_proto_negotiated) - OPENSSL_free(s->next_proto_negotiated); -#endif - - OPENSSL_free(s); - } - -void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio) - { - /* If the output buffering BIO is still in place, remove it - */ - if (s->bbio != NULL) - { - if (s->wbio == s->bbio) - { - s->wbio=s->wbio->next_bio; - s->bbio->next_bio=NULL; - } - } - if ((s->rbio != NULL) && (s->rbio != rbio)) - BIO_free_all(s->rbio); - if ((s->wbio != NULL) && (s->wbio != wbio) && (s->rbio != s->wbio)) - BIO_free_all(s->wbio); - s->rbio=rbio; - s->wbio=wbio; - } - -BIO *SSL_get_rbio(const SSL *s) - { return(s->rbio); } - -BIO *SSL_get_wbio(const SSL *s) - { return(s->wbio); } - -int SSL_get_fd(const SSL *s) - { - return(SSL_get_rfd(s)); - } - -int SSL_get_rfd(const SSL *s) - { - int ret= -1; - BIO *b,*r; - - b=SSL_get_rbio(s); - r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR); - if (r != NULL) - BIO_get_fd(r,&ret); - return(ret); - } - -int SSL_get_wfd(const SSL *s) - { - int ret= -1; - BIO *b,*r; - - b=SSL_get_wbio(s); - r=BIO_find_type(b,BIO_TYPE_DESCRIPTOR); - if (r != NULL) - BIO_get_fd(r,&ret); - return(ret); - } - -#ifndef OPENSSL_NO_SOCK -int SSL_set_fd(SSL *s,int fd) - { - int ret=0; - BIO *bio=NULL; - - bio=BIO_new(BIO_s_socket()); - - if (bio == NULL) - { - SSLerr(SSL_F_SSL_SET_FD,ERR_R_BUF_LIB); - goto err; - } - BIO_set_fd(bio,fd,BIO_NOCLOSE); - SSL_set_bio(s,bio,bio); - ret=1; -err: - return(ret); - } - -int SSL_set_wfd(SSL *s,int fd) - { - int ret=0; - BIO *bio=NULL; - - if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET) - || ((int)BIO_get_fd(s->rbio,NULL) != fd)) - { - bio=BIO_new(BIO_s_socket()); - - if (bio == NULL) - { SSLerr(SSL_F_SSL_SET_WFD,ERR_R_BUF_LIB); goto err; } - BIO_set_fd(bio,fd,BIO_NOCLOSE); - SSL_set_bio(s,SSL_get_rbio(s),bio); - } - else - SSL_set_bio(s,SSL_get_rbio(s),SSL_get_rbio(s)); - ret=1; -err: - return(ret); - } - -int SSL_set_rfd(SSL *s,int fd) - { - int ret=0; - BIO *bio=NULL; - - if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET) - || ((int)BIO_get_fd(s->wbio,NULL) != fd)) - { - bio=BIO_new(BIO_s_socket()); - - if (bio == NULL) - { - SSLerr(SSL_F_SSL_SET_RFD,ERR_R_BUF_LIB); - goto err; - } - BIO_set_fd(bio,fd,BIO_NOCLOSE); - SSL_set_bio(s,bio,SSL_get_wbio(s)); - } - else - SSL_set_bio(s,SSL_get_wbio(s),SSL_get_wbio(s)); - ret=1; -err: - return(ret); - } -#endif - - -/* return length of latest Finished message we sent, copy to 'buf' */ -size_t SSL_get_finished(const SSL *s, void *buf, size_t count) - { - size_t ret = 0; - - if (s->s3 != NULL) - { - ret = s->s3->tmp.finish_md_len; - if (count > ret) - count = ret; - memcpy(buf, s->s3->tmp.finish_md, count); - } - return ret; - } - -/* return length of latest Finished message we expected, copy to 'buf' */ -size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count) - { - size_t ret = 0; - - if (s->s3 != NULL) - { - ret = s->s3->tmp.peer_finish_md_len; - if (count > ret) - count = ret; - memcpy(buf, s->s3->tmp.peer_finish_md, count); - } - return ret; - } - - -int SSL_get_verify_mode(const SSL *s) - { - return(s->verify_mode); - } - -int SSL_get_verify_depth(const SSL *s) - { - return X509_VERIFY_PARAM_get_depth(s->param); - } - -int (*SSL_get_verify_callback(const SSL *s))(int,X509_STORE_CTX *) - { - return(s->verify_callback); - } - -int SSL_CTX_get_verify_mode(const SSL_CTX *ctx) - { - return(ctx->verify_mode); - } - -int SSL_CTX_get_verify_depth(const SSL_CTX *ctx) - { - return X509_VERIFY_PARAM_get_depth(ctx->param); - } - -int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int,X509_STORE_CTX *) - { - return(ctx->default_verify_callback); - } - -void SSL_set_verify(SSL *s,int mode, - int (*callback)(int ok,X509_STORE_CTX *ctx)) - { - s->verify_mode=mode; - if (callback != NULL) - s->verify_callback=callback; - } - -void SSL_set_verify_depth(SSL *s,int depth) - { - X509_VERIFY_PARAM_set_depth(s->param, depth); - } - -void SSL_set_read_ahead(SSL *s,int yes) - { - s->read_ahead=yes; - } - -int SSL_get_read_ahead(const SSL *s) - { - return(s->read_ahead); - } - -int SSL_pending(const SSL *s) - { - /* SSL_pending cannot work properly if read-ahead is enabled - * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), - * and it is impossible to fix since SSL_pending cannot report - * errors that may be observed while scanning the new data. - * (Note that SSL_pending() is often used as a boolean value, - * so we'd better not return -1.) - */ - return(s->method->ssl_pending(s)); - } - -X509 *SSL_get_peer_certificate(const SSL *s) - { - X509 *r; - - if ((s == NULL) || (s->session == NULL)) - r=NULL; - else - r=s->session->peer; - - if (r == NULL) return(r); - - CRYPTO_add(&r->references,1,CRYPTO_LOCK_X509); - - return(r); - } - -STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s) - { - STACK_OF(X509) *r; - - if ((s == NULL) || (s->session == NULL) || (s->session->sess_cert == NULL)) - r=NULL; - else - r=s->session->sess_cert->cert_chain; - - /* If we are a client, cert_chain includes the peer's own - * certificate; if we are a server, it does not. */ - - return(r); - } - -/* Now in theory, since the calling process own 't' it should be safe to - * modify. We need to be able to read f without being hassled */ -void SSL_copy_session_id(SSL *t,const SSL *f) - { - CERT *tmp; - - /* Do we need to to SSL locking? */ - SSL_set_session(t,SSL_get_session(f)); - - /* what if we are setup as SSLv2 but want to talk SSLv3 or - * vice-versa */ - if (t->method != f->method) - { - t->method->ssl_free(t); /* cleanup current */ - t->method=f->method; /* change method */ - t->method->ssl_new(t); /* setup new */ - } - - tmp=t->cert; - if (f->cert != NULL) - { - CRYPTO_add(&f->cert->references,1,CRYPTO_LOCK_SSL_CERT); - t->cert=f->cert; - } - else - t->cert=NULL; - if (tmp != NULL) ssl_cert_free(tmp); - SSL_set_session_id_context(t,f->sid_ctx,f->sid_ctx_length); - } - -/* Fix this so it checks all the valid key/cert options */ -int SSL_CTX_check_private_key(const SSL_CTX *ctx) - { - if ( (ctx == NULL) || - (ctx->cert == NULL) || - (ctx->cert->key->x509 == NULL)) - { - SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); - return(0); - } - if (ctx->cert->key->privatekey == NULL) - { - SSLerr(SSL_F_SSL_CTX_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED); - return(0); - } - return(X509_check_private_key(ctx->cert->key->x509, ctx->cert->key->privatekey)); - } - -/* Fix this function so that it takes an optional type parameter */ -int SSL_check_private_key(const SSL *ssl) - { - if (ssl == NULL) - { - SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,ERR_R_PASSED_NULL_PARAMETER); - return(0); - } - if (ssl->cert == NULL) - { - SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); - return 0; - } - if (ssl->cert->key->x509 == NULL) - { - SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED); - return(0); - } - if (ssl->cert->key->privatekey == NULL) - { - SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_PRIVATE_KEY_ASSIGNED); - return(0); - } - return(X509_check_private_key(ssl->cert->key->x509, - ssl->cert->key->privatekey)); - } - -int SSL_accept(SSL *s) - { - if (s->handshake_func == 0) - /* Not properly initialized yet */ - SSL_set_accept_state(s); - - return(s->method->ssl_accept(s)); - } - -int SSL_connect(SSL *s) - { - if (s->handshake_func == 0) - /* Not properly initialized yet */ - SSL_set_connect_state(s); - - return(s->method->ssl_connect(s)); - } - -long SSL_get_default_timeout(const SSL *s) - { - return(s->method->get_timeout()); - } - -int SSL_read(SSL *s,void *buf,int num) - { - if (s->handshake_func == 0) - { - SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED); - return -1; - } - - if (s->shutdown & SSL_RECEIVED_SHUTDOWN) - { - s->rwstate=SSL_NOTHING; - return(0); - } - return(s->method->ssl_read(s,buf,num)); - } - -int SSL_peek(SSL *s,void *buf,int num) - { - if (s->handshake_func == 0) - { - SSLerr(SSL_F_SSL_PEEK, SSL_R_UNINITIALIZED); - return -1; - } - - if (s->shutdown & SSL_RECEIVED_SHUTDOWN) - { - return(0); - } - return(s->method->ssl_peek(s,buf,num)); - } - -int SSL_write(SSL *s,const void *buf,int num) - { - if (s->handshake_func == 0) - { - SSLerr(SSL_F_SSL_WRITE, SSL_R_UNINITIALIZED); - return -1; - } - - if (s->shutdown & SSL_SENT_SHUTDOWN) - { - s->rwstate=SSL_NOTHING; - SSLerr(SSL_F_SSL_WRITE,SSL_R_PROTOCOL_IS_SHUTDOWN); - return(-1); - } - return(s->method->ssl_write(s,buf,num)); - } - -int SSL_shutdown(SSL *s) - { - /* Note that this function behaves differently from what one might - * expect. Return values are 0 for no success (yet), - * 1 for success; but calling it once is usually not enough, - * even if blocking I/O is used (see ssl3_shutdown). - */ - - if (s->handshake_func == 0) - { - SSLerr(SSL_F_SSL_SHUTDOWN, SSL_R_UNINITIALIZED); - return -1; - } - - if ((s != NULL) && !SSL_in_init(s)) - return(s->method->ssl_shutdown(s)); - else - return(1); - } - -int SSL_renegotiate(SSL *s) - { - if (s->new_session == 0) - { - s->new_session=1; - } - return(s->method->ssl_renegotiate(s)); - } - -int SSL_renegotiate_pending(SSL *s) - { - /* becomes true when negotiation is requested; - * false again once a handshake has finished */ - return (s->new_session != 0); - } - -long SSL_ctrl(SSL *s,int cmd,long larg,void *parg) - { - long l; - - switch (cmd) - { - case SSL_CTRL_GET_READ_AHEAD: - return(s->read_ahead); - case SSL_CTRL_SET_READ_AHEAD: - l=s->read_ahead; - s->read_ahead=larg; - return(l); - - case SSL_CTRL_SET_MSG_CALLBACK_ARG: - s->msg_callback_arg = parg; - return 1; - - case SSL_CTRL_OPTIONS: - return(s->options|=larg); - case SSL_CTRL_CLEAR_OPTIONS: - return(s->options&=~larg); - case SSL_CTRL_MODE: - return(s->mode|=larg); - case SSL_CTRL_CLEAR_MODE: - return(s->mode &=~larg); - case SSL_CTRL_GET_MAX_CERT_LIST: - return(s->max_cert_list); - case SSL_CTRL_SET_MAX_CERT_LIST: - l=s->max_cert_list; - s->max_cert_list=larg; - return(l); - case SSL_CTRL_SET_MTU: - if (SSL_version(s) == DTLS1_VERSION || - SSL_version(s) == DTLS1_BAD_VER) - { - s->d1->mtu = larg; - return larg; - } - return 0; - case SSL_CTRL_SET_MAX_SEND_FRAGMENT: - if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) - return 0; - s->max_send_fragment = larg; - return 1; - case SSL_CTRL_GET_RI_SUPPORT: - if (s->s3) - return s->s3->send_connection_binding; - else return 0; - default: - return(s->method->ssl_ctrl(s,cmd,larg,parg)); - } - } - -long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)(void)) - { - switch(cmd) - { - case SSL_CTRL_SET_MSG_CALLBACK: - s->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp); - return 1; - - default: - return(s->method->ssl_callback_ctrl(s,cmd,fp)); - } - } - -LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx) - { - return ctx->sessions; - } - -long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,void *parg) - { - long l; - - switch (cmd) - { - case SSL_CTRL_GET_READ_AHEAD: - return(ctx->read_ahead); - case SSL_CTRL_SET_READ_AHEAD: - l=ctx->read_ahead; - ctx->read_ahead=larg; - return(l); - - case SSL_CTRL_SET_MSG_CALLBACK_ARG: - ctx->msg_callback_arg = parg; - return 1; - - case SSL_CTRL_GET_MAX_CERT_LIST: - return(ctx->max_cert_list); - case SSL_CTRL_SET_MAX_CERT_LIST: - l=ctx->max_cert_list; - ctx->max_cert_list=larg; - return(l); - - case SSL_CTRL_SET_SESS_CACHE_SIZE: - l=ctx->session_cache_size; - ctx->session_cache_size=larg; - return(l); - case SSL_CTRL_GET_SESS_CACHE_SIZE: - return(ctx->session_cache_size); - case SSL_CTRL_SET_SESS_CACHE_MODE: - l=ctx->session_cache_mode; - ctx->session_cache_mode=larg; - return(l); - case SSL_CTRL_GET_SESS_CACHE_MODE: - return(ctx->session_cache_mode); - - case SSL_CTRL_SESS_NUMBER: - return(lh_SSL_SESSION_num_items(ctx->sessions)); - case SSL_CTRL_SESS_CONNECT: - return(ctx->stats.sess_connect); - case SSL_CTRL_SESS_CONNECT_GOOD: - return(ctx->stats.sess_connect_good); - case SSL_CTRL_SESS_CONNECT_RENEGOTIATE: - return(ctx->stats.sess_connect_renegotiate); - case SSL_CTRL_SESS_ACCEPT: - return(ctx->stats.sess_accept); - case SSL_CTRL_SESS_ACCEPT_GOOD: - return(ctx->stats.sess_accept_good); - case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE: - return(ctx->stats.sess_accept_renegotiate); - case SSL_CTRL_SESS_HIT: - return(ctx->stats.sess_hit); - case SSL_CTRL_SESS_CB_HIT: - return(ctx->stats.sess_cb_hit); - case SSL_CTRL_SESS_MISSES: - return(ctx->stats.sess_miss); - case SSL_CTRL_SESS_TIMEOUTS: - return(ctx->stats.sess_timeout); - case SSL_CTRL_SESS_CACHE_FULL: - return(ctx->stats.sess_cache_full); - case SSL_CTRL_OPTIONS: - return(ctx->options|=larg); - case SSL_CTRL_CLEAR_OPTIONS: - return(ctx->options&=~larg); - case SSL_CTRL_MODE: - return(ctx->mode|=larg); - case SSL_CTRL_CLEAR_MODE: - return(ctx->mode&=~larg); - case SSL_CTRL_SET_MAX_SEND_FRAGMENT: - if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH) - return 0; - ctx->max_send_fragment = larg; - return 1; - default: - return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg)); - } - } - -long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void)) - { - switch(cmd) - { - case SSL_CTRL_SET_MSG_CALLBACK: - ctx->msg_callback = (void (*)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))(fp); - return 1; - - default: - return(ctx->method->ssl_ctx_callback_ctrl(ctx,cmd,fp)); - } - } - -int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b) - { - long l; - - l=a->id-b->id; - if (l == 0L) - return(0); - else - return((l > 0)?1:-1); - } - -int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap, - const SSL_CIPHER * const *bp) - { - long l; - - l=(*ap)->id-(*bp)->id; - if (l == 0L) - return(0); - else - return((l > 0)?1:-1); - } - -/** return a STACK of the ciphers available for the SSL and in order of - * preference */ -STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s) - { - if (s != NULL) - { - if (s->cipher_list != NULL) - { - return(s->cipher_list); - } - else if ((s->ctx != NULL) && - (s->ctx->cipher_list != NULL)) - { - return(s->ctx->cipher_list); - } - } - return(NULL); - } - -/** return a STACK of the ciphers available for the SSL and in order of - * algorithm id */ -STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s) - { - if (s != NULL) - { - if (s->cipher_list_by_id != NULL) - { - return(s->cipher_list_by_id); - } - else if ((s->ctx != NULL) && - (s->ctx->cipher_list_by_id != NULL)) - { - return(s->ctx->cipher_list_by_id); - } - } - return(NULL); - } - -/** The old interface to get the same thing as SSL_get_ciphers() */ -const char *SSL_get_cipher_list(const SSL *s,int n) - { - SSL_CIPHER *c; - STACK_OF(SSL_CIPHER) *sk; - - if (s == NULL) return(NULL); - sk=SSL_get_ciphers(s); - if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n)) - return(NULL); - c=sk_SSL_CIPHER_value(sk,n); - if (c == NULL) return(NULL); - return(c->name); - } - -/** specify the ciphers to be used by default by the SSL_CTX */ -int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str) - { - STACK_OF(SSL_CIPHER) *sk; - - sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list, - &ctx->cipher_list_by_id,str); - /* ssl_create_cipher_list may return an empty stack if it - * was unable to find a cipher matching the given rule string - * (for example if the rule string specifies a cipher which - * has been disabled). This is not an error as far as - * ssl_create_cipher_list is concerned, and hence - * ctx->cipher_list and ctx->cipher_list_by_id has been - * updated. */ - if (sk == NULL) - return 0; - else if (sk_SSL_CIPHER_num(sk) == 0) - { - SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH); - return 0; - } - return 1; - } - -/** specify the ciphers to be used by the SSL */ -int SSL_set_cipher_list(SSL *s,const char *str) - { - STACK_OF(SSL_CIPHER) *sk; - - sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list, - &s->cipher_list_by_id,str); - /* see comment in SSL_CTX_set_cipher_list */ - if (sk == NULL) - return 0; - else if (sk_SSL_CIPHER_num(sk) == 0) - { - SSLerr(SSL_F_SSL_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH); - return 0; - } - return 1; - } - -/** specify the ciphers to be used by the SSL */ -int SSL_set_cipher_lists(SSL *s,STACK_OF(SSL_CIPHER) *sk) - { - STACK_OF(SSL_CIPHER) *tmp_cipher_list; - - if (sk == NULL) - return 0; - - /* Based on end of ssl_create_cipher_list */ - tmp_cipher_list = sk_SSL_CIPHER_dup(sk); - if (tmp_cipher_list == NULL) - { - return 0; - } - if (s->cipher_list != NULL) - sk_SSL_CIPHER_free(s->cipher_list); - s->cipher_list = sk; - if (s->cipher_list_by_id != NULL) - sk_SSL_CIPHER_free(s->cipher_list_by_id); - s->cipher_list_by_id = tmp_cipher_list; - (void)sk_SSL_CIPHER_set_cmp_func(s->cipher_list_by_id,ssl_cipher_ptr_id_cmp); - - sk_SSL_CIPHER_sort(s->cipher_list_by_id); - return 1; - } - -/* works well for SSLv2, not so good for SSLv3 */ -char *SSL_get_shared_ciphers(const SSL *s,char *buf,int len) - { - char *p; - STACK_OF(SSL_CIPHER) *sk; - SSL_CIPHER *c; - int i; - - if ((s->session == NULL) || (s->session->ciphers == NULL) || - (len < 2)) - return(NULL); - - p=buf; - sk=s->session->ciphers; - for (i=0; i<sk_SSL_CIPHER_num(sk); i++) - { - int n; - - c=sk_SSL_CIPHER_value(sk,i); - n=strlen(c->name); - if (n+1 > len) - { - if (p != buf) - --p; - *p='\0'; - return buf; - } - strcpy(p,c->name); - p+=n; - *(p++)=':'; - len-=n+1; - } - p[-1]='\0'; - return(buf); - } - -int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p, - int (*put_cb)(const SSL_CIPHER *, unsigned char *)) - { - int i,j=0; - SSL_CIPHER *c; - unsigned char *q; -#ifndef OPENSSL_NO_KRB5 - int nokrb5 = !kssl_tgt_is_available(s->kssl_ctx); -#endif /* OPENSSL_NO_KRB5 */ - - if (sk == NULL) return(0); - q=p; - - for (i=0; i<sk_SSL_CIPHER_num(sk); i++) - { - c=sk_SSL_CIPHER_value(sk,i); -#ifndef OPENSSL_NO_KRB5 - if (((c->algorithm_mkey & SSL_kKRB5) || (c->algorithm_auth & SSL_aKRB5)) && - nokrb5) - continue; -#endif /* OPENSSL_NO_KRB5 */ -#ifndef OPENSSL_NO_PSK - /* with PSK there must be client callback set */ - if (((c->algorithm_mkey & SSL_kPSK) || (c->algorithm_auth & SSL_aPSK)) && - s->psk_client_callback == NULL) - continue; -#endif /* OPENSSL_NO_PSK */ - j = put_cb ? put_cb(c,p) : ssl_put_cipher_by_char(s,c,p); - p+=j; - } - /* If p == q, no ciphers and caller indicates an error. Otherwise - * add SCSV if not renegotiating. - */ - if (p != q && !s->new_session) - { - static SSL_CIPHER scsv = - { - 0, NULL, SSL3_CK_SCSV, 0, 0, 0, 0, 0, 0, 0, 0, 0 - }; - j = put_cb ? put_cb(&scsv,p) : ssl_put_cipher_by_char(s,&scsv,p); - p+=j; -#ifdef OPENSSL_RI_DEBUG - fprintf(stderr, "SCSV sent by client\n"); -#endif - } - - return(p-q); - } - -STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num, - STACK_OF(SSL_CIPHER) **skp) - { - const SSL_CIPHER *c; - STACK_OF(SSL_CIPHER) *sk; - int i,n; - if (s->s3) - s->s3->send_connection_binding = 0; - - n=ssl_put_cipher_by_char(s,NULL,NULL); - if ((num%n) != 0) - { - SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); - return(NULL); - } - if ((skp == NULL) || (*skp == NULL)) - sk=sk_SSL_CIPHER_new_null(); /* change perhaps later */ - else - { - sk= *skp; - sk_SSL_CIPHER_zero(sk); - } - - for (i=0; i<num; i+=n) - { - /* Check for SCSV */ - if (s->s3 && (n != 3 || !p[0]) && - (p[n-2] == ((SSL3_CK_SCSV >> 8) & 0xff)) && - (p[n-1] == (SSL3_CK_SCSV & 0xff))) - { - /* SCSV fatal if renegotiating */ - if (s->new_session) - { - SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING); - ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_HANDSHAKE_FAILURE); - goto err; - } - s->s3->send_connection_binding = 1; - p += n; -#ifdef OPENSSL_RI_DEBUG - fprintf(stderr, "SCSV received by server\n"); -#endif - continue; - } - - c=ssl_get_cipher_by_char(s,p); - p+=n; - if (c != NULL) - { - if (!sk_SSL_CIPHER_push(sk,c)) - { - SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,ERR_R_MALLOC_FAILURE); - goto err; - } - } - } - - if (skp != NULL) - *skp=sk; - return(sk); -err: - if ((skp == NULL) || (*skp == NULL)) - sk_SSL_CIPHER_free(sk); - return(NULL); - } - - -#ifndef OPENSSL_NO_TLSEXT -/** return a servername extension value if provided in Client Hello, or NULL. - * So far, only host_name types are defined (RFC 3546). - */ - -const char *SSL_get_servername(const SSL *s, const int type) - { - if (type != TLSEXT_NAMETYPE_host_name) - return NULL; - - return s->session && !s->tlsext_hostname ? - s->session->tlsext_hostname : - s->tlsext_hostname; - } - -int SSL_get_servername_type(const SSL *s) - { - if (s->session && (!s->tlsext_hostname ? s->session->tlsext_hostname : s->tlsext_hostname)) - return TLSEXT_NAMETYPE_host_name; - return -1; - } - -# ifndef OPENSSL_NO_NEXTPROTONEG -/* SSL_select_next_proto implements the standard protocol selection. It is - * expected that this function is called from the callback set by - * SSL_CTX_set_next_proto_select_cb. - * - * The protocol data is assumed to be a vector of 8-bit, length prefixed byte - * strings. The length byte itself is not included in the length. A byte - * string of length 0 is invalid. No byte string may be truncated. - * - * The current, but experimental algorithm for selecting the protocol is: - * - * 1) If the server doesn't support NPN then this is indicated to the - * callback. In this case, the client application has to abort the connection - * or have a default application level protocol. - * - * 2) If the server supports NPN, but advertises an empty list then the - * client selects the first protcol in its list, but indicates via the - * API that this fallback case was enacted. - * - * 3) Otherwise, the client finds the first protocol in the server's list - * that it supports and selects this protocol. This is because it's - * assumed that the server has better information about which protocol - * a client should use. - * - * 4) If the client doesn't support any of the server's advertised - * protocols, then this is treated the same as case 2. - * - * It returns either - * OPENSSL_NPN_NEGOTIATED if a common protocol was found, or - * OPENSSL_NPN_NO_OVERLAP if the fallback case was reached. - */ -int SSL_select_next_proto(unsigned char **out, unsigned char *outlen, const unsigned char *server, unsigned int server_len, const unsigned char *client, unsigned int client_len) - { - unsigned int i, j; - const unsigned char *result; - int status = OPENSSL_NPN_UNSUPPORTED; - - /* For each protocol in server preference order, see if we support it. */ - for (i = 0; i < server_len; ) - { - for (j = 0; j < client_len; ) - { - if (server[i] == client[j] && - memcmp(&server[i+1], &client[j+1], server[i]) == 0) - { - /* We found a match */ - result = &server[i]; - status = OPENSSL_NPN_NEGOTIATED; - goto found; - } - j += client[j]; - j++; - } - i += server[i]; - i++; - } - - /* There's no overlap between our protocols and the server's list. */ - result = client; - status = OPENSSL_NPN_NO_OVERLAP; - - found: - *out = (unsigned char *) result + 1; - *outlen = result[0]; - return status; - } - -/* SSL_get0_next_proto_negotiated sets *data and *len to point to the client's - * requested protocol for this connection and returns 0. If the client didn't - * request any protocol, then *data is set to NULL. - * - * Note that the client can request any protocol it chooses. The value returned - * from this function need not be a member of the list of supported protocols - * provided by the callback. - */ -void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data, unsigned *len) - { - *data = s->next_proto_negotiated; - if (!*data) { - *len = 0; - } else { - *len = s->next_proto_negotiated_len; - } -} - -/* SSL_CTX_set_next_protos_advertised_cb sets a callback that is called when a - * TLS server needs a list of supported protocols for Next Protocol - * Negotiation. The returned list must be in wire format. The list is returned - * by setting |out| to point to it and |outlen| to its length. This memory will - * not be modified, but one should assume that the SSL* keeps a reference to - * it. - * - * The callback should return SSL_TLSEXT_ERR_OK if it wishes to advertise. Otherwise, no - * such extension will be included in the ServerHello. */ -void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *ctx, int (*cb) (SSL *ssl, const unsigned char **out, unsigned int *outlen, void *arg), void *arg) - { - ctx->next_protos_advertised_cb = cb; - ctx->next_protos_advertised_cb_arg = arg; - } - -/* SSL_CTX_set_next_proto_select_cb sets a callback that is called when a - * client needs to select a protocol from the server's provided list. |out| - * must be set to point to the selected protocol (which may be within |in|). - * The length of the protocol name must be written into |outlen|. The server's - * advertised protocols are provided in |in| and |inlen|. The callback can - * assume that |in| is syntactically valid. - * - * The client must select a protocol. It is fatal to the connection if this - * callback returns a value other than SSL_TLSEXT_ERR_OK. - */ -void SSL_CTX_set_next_proto_select_cb(SSL_CTX *ctx, int (*cb) (SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg), void *arg) - { - ctx->next_proto_select_cb = cb; - ctx->next_proto_select_cb_arg = arg; - } - -# endif -#endif - -static unsigned long ssl_session_hash(const SSL_SESSION *a) - { - unsigned long l; - - l=(unsigned long) - ((unsigned int) a->session_id[0] )| - ((unsigned int) a->session_id[1]<< 8L)| - ((unsigned long)a->session_id[2]<<16L)| - ((unsigned long)a->session_id[3]<<24L); - return(l); - } - -/* NB: If this function (or indeed the hash function which uses a sort of - * coarser function than this one) is changed, ensure - * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being - * able to construct an SSL_SESSION that will collide with any existing session - * with a matching session ID. */ -static int ssl_session_cmp(const SSL_SESSION *a,const SSL_SESSION *b) - { - if (a->ssl_version != b->ssl_version) - return(1); - if (a->session_id_length != b->session_id_length) - return(1); - return(memcmp(a->session_id,b->session_id,a->session_id_length)); - } - -/* These wrapper functions should remain rather than redeclaring - * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each - * variable. The reason is that the functions aren't static, they're exposed via - * ssl.h. */ -static IMPLEMENT_LHASH_HASH_FN(ssl_session, SSL_SESSION) -static IMPLEMENT_LHASH_COMP_FN(ssl_session, SSL_SESSION) - -SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth) - { - SSL_CTX *ret=NULL; - - if (meth == NULL) - { - SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_NULL_SSL_METHOD_PASSED); - return(NULL); - } - - if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) - { - SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS); - goto err; - } - ret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX)); - if (ret == NULL) - goto err; - - memset(ret,0,sizeof(SSL_CTX)); - - ret->method=meth; - - ret->cert_store=NULL; - ret->session_cache_mode=SSL_SESS_CACHE_SERVER; - ret->session_cache_size=SSL_SESSION_CACHE_MAX_SIZE_DEFAULT; - ret->session_cache_head=NULL; - ret->session_cache_tail=NULL; - - /* We take the system default */ - ret->session_timeout=meth->get_timeout(); - - ret->new_session_cb=0; - ret->remove_session_cb=0; - ret->get_session_cb=0; - ret->generate_session_id=0; - - memset((char *)&ret->stats,0,sizeof(ret->stats)); - - ret->references=1; - ret->quiet_shutdown=0; - -/* ret->cipher=NULL;*/ -/* ret->s2->challenge=NULL; - ret->master_key=NULL; - ret->key_arg=NULL; - ret->s2->conn_id=NULL; */ - - ret->info_callback=NULL; - - ret->app_verify_callback=0; - ret->app_verify_arg=NULL; - - ret->max_cert_list=SSL_MAX_CERT_LIST_DEFAULT; - ret->read_ahead=0; - ret->msg_callback=0; - ret->msg_callback_arg=NULL; - ret->verify_mode=SSL_VERIFY_NONE; -#if 0 - ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */ -#endif - ret->sid_ctx_length=0; - ret->default_verify_callback=NULL; - if ((ret->cert=ssl_cert_new()) == NULL) - goto err; - - ret->default_passwd_callback=0; - ret->default_passwd_callback_userdata=NULL; - ret->client_cert_cb=0; - ret->app_gen_cookie_cb=0; - ret->app_verify_cookie_cb=0; - - ret->sessions=lh_SSL_SESSION_new(); - if (ret->sessions == NULL) goto err; - ret->cert_store=X509_STORE_new(); - if (ret->cert_store == NULL) goto err; - - ssl_create_cipher_list(ret->method, - &ret->cipher_list,&ret->cipher_list_by_id, - meth->version == SSL2_VERSION ? "SSLv2" : SSL_DEFAULT_CIPHER_LIST); - if (ret->cipher_list == NULL - || sk_SSL_CIPHER_num(ret->cipher_list) <= 0) - { - SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_LIBRARY_HAS_NO_CIPHERS); - goto err2; - } - - ret->param = X509_VERIFY_PARAM_new(); - if (!ret->param) - goto err; - - if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL) - { - SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES); - goto err2; - } - if ((ret->md5=EVP_get_digestbyname("ssl3-md5")) == NULL) - { - SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES); - goto err2; - } - if ((ret->sha1=EVP_get_digestbyname("ssl3-sha1")) == NULL) - { - SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES); - goto err2; - } - - if ((ret->client_CA=sk_X509_NAME_new_null()) == NULL) - goto err; - - CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data); - - ret->extra_certs=NULL; - ret->comp_methods=SSL_COMP_get_compression_methods(); - - ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH; - -#ifndef OPENSSL_NO_TLSEXT - ret->tlsext_servername_callback = 0; - ret->tlsext_servername_arg = NULL; - /* Setup RFC4507 ticket keys */ - if ((RAND_pseudo_bytes(ret->tlsext_tick_key_name, 16) <= 0) - || (RAND_bytes(ret->tlsext_tick_hmac_key, 16) <= 0) - || (RAND_bytes(ret->tlsext_tick_aes_key, 16) <= 0)) - ret->options |= SSL_OP_NO_TICKET; - - ret->tlsext_status_cb = 0; - ret->tlsext_status_arg = NULL; - -# ifndef OPENSSL_NO_NEXTPROTONEG - ret->next_protos_advertised_cb = 0; - ret->next_proto_select_cb = 0; -# endif -#endif -#ifndef OPENSSL_NO_PSK - ret->psk_identity_hint=NULL; - ret->psk_client_callback=NULL; - ret->psk_server_callback=NULL; -#endif -#ifndef OPENSSL_NO_BUF_FREELISTS - ret->freelist_max_len = SSL_MAX_BUF_FREELIST_LEN_DEFAULT; - ret->rbuf_freelist = OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST)); - if (!ret->rbuf_freelist) - goto err; - ret->rbuf_freelist->chunklen = 0; - ret->rbuf_freelist->len = 0; - ret->rbuf_freelist->head = NULL; - ret->wbuf_freelist = OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST)); - if (!ret->wbuf_freelist) - { - OPENSSL_free(ret->rbuf_freelist); - goto err; - } - ret->wbuf_freelist->chunklen = 0; - ret->wbuf_freelist->len = 0; - ret->wbuf_freelist->head = NULL; -#endif -#ifndef OPENSSL_NO_ENGINE - ret->client_cert_engine = NULL; -#ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO -#define eng_strx(x) #x -#define eng_str(x) eng_strx(x) - /* Use specific client engine automatically... ignore errors */ - { - ENGINE *eng; - eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); - if (!eng) - { - ERR_clear_error(); - ENGINE_load_builtin_engines(); - eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO)); - } - if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng)) - ERR_clear_error(); - } -#endif -#endif - /* Default is to connect to non-RI servers. When RI is more widely - * deployed might change this. - */ - ret->options |= SSL_OP_LEGACY_SERVER_CONNECT; - - return(ret); -err: - SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE); -err2: - if (ret != NULL) SSL_CTX_free(ret); - return(NULL); - } - -#if 0 -static void SSL_COMP_free(SSL_COMP *comp) - { OPENSSL_free(comp); } -#endif - -#ifndef OPENSSL_NO_BUF_FREELISTS -static void -ssl_buf_freelist_free(SSL3_BUF_FREELIST *list) - { - SSL3_BUF_FREELIST_ENTRY *ent, *next; - for (ent = list->head; ent; ent = next) - { - next = ent->next; - OPENSSL_free(ent); - } - OPENSSL_free(list); - } -#endif - -void SSL_CTX_free(SSL_CTX *a) - { - int i; - - if (a == NULL) return; - - i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_SSL_CTX); -#ifdef REF_PRINT - REF_PRINT("SSL_CTX",a); -#endif - if (i > 0) return; -#ifdef REF_CHECK - if (i < 0) - { - fprintf(stderr,"SSL_CTX_free, bad reference count\n"); - abort(); /* ok */ - } -#endif - - if (a->param) - X509_VERIFY_PARAM_free(a->param); - - /* - * Free internal session cache. However: the remove_cb() may reference - * the ex_data of SSL_CTX, thus the ex_data store can only be removed - * after the sessions were flushed. - * As the ex_data handling routines might also touch the session cache, - * the most secure solution seems to be: empty (flush) the cache, then - * free ex_data, then finally free the cache. - * (See ticket [openssl.org #212].) - */ - if (a->sessions != NULL) - SSL_CTX_flush_sessions(a,0); - - CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data); - - if (a->sessions != NULL) - lh_SSL_SESSION_free(a->sessions); - - if (a->cert_store != NULL) - X509_STORE_free(a->cert_store); - if (a->cipher_list != NULL) - sk_SSL_CIPHER_free(a->cipher_list); - if (a->cipher_list_by_id != NULL) - sk_SSL_CIPHER_free(a->cipher_list_by_id); - if (a->cert != NULL) - ssl_cert_free(a->cert); - if (a->client_CA != NULL) - sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free); - if (a->extra_certs != NULL) - sk_X509_pop_free(a->extra_certs,X509_free); -#if 0 /* This should never be done, since it removes a global database */ - if (a->comp_methods != NULL) - sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free); -#else - a->comp_methods = NULL; -#endif - -#ifndef OPENSSL_NO_PSK - if (a->psk_identity_hint) - OPENSSL_free(a->psk_identity_hint); -#endif -#ifndef OPENSSL_NO_ENGINE - if (a->client_cert_engine) - ENGINE_finish(a->client_cert_engine); -#endif - -#ifndef OPENSSL_NO_BUF_FREELISTS - if (a->wbuf_freelist) - ssl_buf_freelist_free(a->wbuf_freelist); - if (a->rbuf_freelist) - ssl_buf_freelist_free(a->rbuf_freelist); -#endif - - OPENSSL_free(a); - } - -void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb) - { - ctx->default_passwd_callback=cb; - } - -void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx,void *u) - { - ctx->default_passwd_callback_userdata=u; - } - -void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *,void *), void *arg) - { - ctx->app_verify_callback=cb; - ctx->app_verify_arg=arg; - } - -void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *)) - { - ctx->verify_mode=mode; - ctx->default_verify_callback=cb; - } - -void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth) - { - X509_VERIFY_PARAM_set_depth(ctx->param, depth); - } - -void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher) - { - CERT_PKEY *cpk; - int rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign; - int rsa_enc_export,dh_rsa_export,dh_dsa_export; - int rsa_tmp_export,dh_tmp_export,kl; - unsigned long mask_k,mask_a,emask_k,emask_a; - int have_ecc_cert, ecdh_ok, ecdsa_ok, ecc_pkey_size; -#ifndef OPENSSL_NO_ECDH - int have_ecdh_tmp; -#endif - X509 *x = NULL; - EVP_PKEY *ecc_pkey = NULL; - int signature_nid = 0, pk_nid = 0, md_nid = 0; - - if (c == NULL) return; - - kl=SSL_C_EXPORT_PKEYLENGTH(cipher); - -#ifndef OPENSSL_NO_RSA - rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL); - rsa_tmp_export=(c->rsa_tmp_cb != NULL || - (rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl)); -#else - rsa_tmp=rsa_tmp_export=0; -#endif -#ifndef OPENSSL_NO_DH - dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL); - dh_tmp_export=(c->dh_tmp_cb != NULL || - (dh_tmp && DH_size(c->dh_tmp)*8 <= kl)); -#else - dh_tmp=dh_tmp_export=0; -#endif - -#ifndef OPENSSL_NO_ECDH - have_ecdh_tmp=(c->ecdh_tmp != NULL || c->ecdh_tmp_cb != NULL); -#endif - cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]); - rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL); - rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl); - cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]); - rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL); - cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]); - dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL); - cpk= &(c->pkeys[SSL_PKEY_DH_RSA]); - dh_rsa= (cpk->x509 != NULL && cpk->privatekey != NULL); - dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl); - cpk= &(c->pkeys[SSL_PKEY_DH_DSA]); -/* FIX THIS EAY EAY EAY */ - dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL); - dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl); - cpk= &(c->pkeys[SSL_PKEY_ECC]); - have_ecc_cert= (cpk->x509 != NULL && cpk->privatekey != NULL); - mask_k=0; - mask_a=0; - emask_k=0; - emask_a=0; - - - -#ifdef CIPHER_DEBUG - printf("rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n", - rsa_tmp,rsa_tmp_export,dh_tmp,have_ecdh_tmp, - rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa); -#endif - - cpk = &(c->pkeys[SSL_PKEY_GOST01]); - if (cpk->x509 != NULL && cpk->privatekey !=NULL) { - mask_k |= SSL_kGOST; - mask_a |= SSL_aGOST01; - } - cpk = &(c->pkeys[SSL_PKEY_GOST94]); - if (cpk->x509 != NULL && cpk->privatekey !=NULL) { - mask_k |= SSL_kGOST; - mask_a |= SSL_aGOST94; - } - - if (rsa_enc || (rsa_tmp && rsa_sign)) - mask_k|=SSL_kRSA; - if (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc))) - emask_k|=SSL_kRSA; - -#if 0 - /* The match needs to be both kEDH and aRSA or aDSA, so don't worry */ - if ( (dh_tmp || dh_rsa || dh_dsa) && - (rsa_enc || rsa_sign || dsa_sign)) - mask_k|=SSL_kEDH; - if ((dh_tmp_export || dh_rsa_export || dh_dsa_export) && - (rsa_enc || rsa_sign || dsa_sign)) - emask_k|=SSL_kEDH; -#endif - - if (dh_tmp_export) - emask_k|=SSL_kEDH; - - if (dh_tmp) - mask_k|=SSL_kEDH; - - if (dh_rsa) mask_k|=SSL_kDHr; - if (dh_rsa_export) emask_k|=SSL_kDHr; - - if (dh_dsa) mask_k|=SSL_kDHd; - if (dh_dsa_export) emask_k|=SSL_kDHd; - - if (rsa_enc || rsa_sign) - { - mask_a|=SSL_aRSA; - emask_a|=SSL_aRSA; - } - - if (dsa_sign) - { - mask_a|=SSL_aDSS; - emask_a|=SSL_aDSS; - } - - mask_a|=SSL_aNULL; - emask_a|=SSL_aNULL; - -#ifndef OPENSSL_NO_KRB5 - mask_k|=SSL_kKRB5; - mask_a|=SSL_aKRB5; - emask_k|=SSL_kKRB5; - emask_a|=SSL_aKRB5; -#endif - - /* An ECC certificate may be usable for ECDH and/or - * ECDSA cipher suites depending on the key usage extension. - */ - if (have_ecc_cert) - { - /* This call populates extension flags (ex_flags) */ - x = (c->pkeys[SSL_PKEY_ECC]).x509; - X509_check_purpose(x, -1, 0); - ecdh_ok = (x->ex_flags & EXFLAG_KUSAGE) ? - (x->ex_kusage & X509v3_KU_KEY_AGREEMENT) : 1; - ecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) ? - (x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) : 1; - ecc_pkey = X509_get_pubkey(x); - ecc_pkey_size = (ecc_pkey != NULL) ? - EVP_PKEY_bits(ecc_pkey) : 0; - EVP_PKEY_free(ecc_pkey); - if ((x->sig_alg) && (x->sig_alg->algorithm)) - { - signature_nid = OBJ_obj2nid(x->sig_alg->algorithm); - OBJ_find_sigid_algs(signature_nid, &md_nid, &pk_nid); - } -#ifndef OPENSSL_NO_ECDH - if (ecdh_ok) - { - - if (pk_nid == NID_rsaEncryption || pk_nid == NID_rsa) - { - mask_k|=SSL_kECDHr; - mask_a|=SSL_aECDH; - if (ecc_pkey_size <= 163) - { - emask_k|=SSL_kECDHr; - emask_a|=SSL_aECDH; - } - } - - if (pk_nid == NID_X9_62_id_ecPublicKey) - { - mask_k|=SSL_kECDHe; - mask_a|=SSL_aECDH; - if (ecc_pkey_size <= 163) - { - emask_k|=SSL_kECDHe; - emask_a|=SSL_aECDH; - } - } - } -#endif -#ifndef OPENSSL_NO_ECDSA - if (ecdsa_ok) - { - mask_a|=SSL_aECDSA; - emask_a|=SSL_aECDSA; - } -#endif - } - -#ifndef OPENSSL_NO_ECDH - if (have_ecdh_tmp) - { - mask_k|=SSL_kEECDH; - emask_k|=SSL_kEECDH; - } -#endif - -#ifndef OPENSSL_NO_PSK - mask_k |= SSL_kPSK; - mask_a |= SSL_aPSK; - emask_k |= SSL_kPSK; - emask_a |= SSL_aPSK; -#endif - - c->mask_k=mask_k; - c->mask_a=mask_a; - c->export_mask_k=emask_k; - c->export_mask_a=emask_a; - c->valid=1; - } - -/* This handy macro borrowed from crypto/x509v3/v3_purp.c */ -#define ku_reject(x, usage) \ - (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage))) - -#ifndef OPENSSL_NO_EC - -int ssl_check_srvr_ecc_cert_and_alg(X509 *x, const SSL_CIPHER *cs) - { - unsigned long alg_k, alg_a; - EVP_PKEY *pkey = NULL; - int keysize = 0; - int signature_nid = 0, md_nid = 0, pk_nid = 0; - - alg_k = cs->algorithm_mkey; - alg_a = cs->algorithm_auth; - - if (SSL_C_IS_EXPORT(cs)) - { - /* ECDH key length in export ciphers must be <= 163 bits */ - pkey = X509_get_pubkey(x); - if (pkey == NULL) return 0; - keysize = EVP_PKEY_bits(pkey); - EVP_PKEY_free(pkey); - if (keysize > 163) return 0; - } - - /* This call populates the ex_flags field correctly */ - X509_check_purpose(x, -1, 0); - if ((x->sig_alg) && (x->sig_alg->algorithm)) - { - signature_nid = OBJ_obj2nid(x->sig_alg->algorithm); - OBJ_find_sigid_algs(signature_nid, &md_nid, &pk_nid); - } - if (alg_k & SSL_kECDHe || alg_k & SSL_kECDHr) - { - /* key usage, if present, must allow key agreement */ - if (ku_reject(x, X509v3_KU_KEY_AGREEMENT)) - { - SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT); - return 0; - } - if (alg_k & SSL_kECDHe) - { - /* signature alg must be ECDSA */ - if (pk_nid != NID_X9_62_id_ecPublicKey) - { - SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE); - return 0; - } - } - if (alg_k & SSL_kECDHr) - { - /* signature alg must be RSA */ - - if (pk_nid != NID_rsaEncryption && pk_nid != NID_rsa) - { - SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE); - return 0; - } - } - } - if (alg_a & SSL_aECDSA) - { - /* key usage, if present, must allow signing */ - if (ku_reject(x, X509v3_KU_DIGITAL_SIGNATURE)) - { - SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_NOT_FOR_SIGNING); - return 0; - } - } - - return 1; /* all checks are ok */ - } - -#endif - -/* THIS NEEDS CLEANING UP */ -X509 *ssl_get_server_send_cert(SSL *s) - { - unsigned long alg_k,alg_a; - CERT *c; - int i; - - c=s->cert; - ssl_set_cert_masks(c, s->s3->tmp.new_cipher); - - alg_k = s->s3->tmp.new_cipher->algorithm_mkey; - alg_a = s->s3->tmp.new_cipher->algorithm_auth; - - if (alg_k & (SSL_kECDHr|SSL_kECDHe)) - { - /* we don't need to look at SSL_kEECDH - * since no certificate is needed for - * anon ECDH and for authenticated - * EECDH, the check for the auth - * algorithm will set i correctly - * NOTE: For ECDH-RSA, we need an ECC - * not an RSA cert but for EECDH-RSA - * we need an RSA cert. Placing the - * checks for SSL_kECDH before RSA - * checks ensures the correct cert is chosen. - */ - i=SSL_PKEY_ECC; - } - else if (alg_a & SSL_aECDSA) - { - i=SSL_PKEY_ECC; - } - else if (alg_k & SSL_kDHr) - i=SSL_PKEY_DH_RSA; - else if (alg_k & SSL_kDHd) - i=SSL_PKEY_DH_DSA; - else if (alg_a & SSL_aDSS) - i=SSL_PKEY_DSA_SIGN; - else if (alg_a & SSL_aRSA) - { - if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL) - i=SSL_PKEY_RSA_SIGN; - else - i=SSL_PKEY_RSA_ENC; - } - else if (alg_a & SSL_aKRB5) - { - /* VRS something else here? */ - return(NULL); - } - else if (alg_a & SSL_aGOST94) - i=SSL_PKEY_GOST94; - else if (alg_a & SSL_aGOST01) - i=SSL_PKEY_GOST01; - else /* if (alg_a & SSL_aNULL) */ - { - SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,ERR_R_INTERNAL_ERROR); - return(NULL); - } - if (c->pkeys[i].x509 == NULL) return(NULL); - - return(c->pkeys[i].x509); - } - -EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *cipher) - { - unsigned long alg_a; - CERT *c; - - alg_a = cipher->algorithm_auth; - c=s->cert; - - if ((alg_a & SSL_aDSS) && - (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL)) - return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey); - else if (alg_a & SSL_aRSA) - { - if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL) - return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey); - else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL) - return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey); - else - return(NULL); - } - else if ((alg_a & SSL_aECDSA) && - (c->pkeys[SSL_PKEY_ECC].privatekey != NULL)) - return(c->pkeys[SSL_PKEY_ECC].privatekey); - else /* if (alg_a & SSL_aNULL) */ - { - SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR); - return(NULL); - } - } - -void ssl_update_cache(SSL *s,int mode) - { - int i; - - /* If the session_id_length is 0, we are not supposed to cache it, - * and it would be rather hard to do anyway :-) */ - if (s->session->session_id_length == 0) return; - - i=s->session_ctx->session_cache_mode; - if ((i & mode) && (!s->hit) - && ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE) - || SSL_CTX_add_session(s->session_ctx,s->session)) - && (s->session_ctx->new_session_cb != NULL)) - { - CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION); - if (!s->session_ctx->new_session_cb(s,s->session)) - SSL_SESSION_free(s->session); - } - - /* auto flush every 255 connections */ - if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) && - ((i & mode) == mode)) - { - if ( (((mode & SSL_SESS_CACHE_CLIENT) - ?s->session_ctx->stats.sess_connect_good - :s->session_ctx->stats.sess_accept_good) & 0xff) == 0xff) - { - SSL_CTX_flush_sessions(s->session_ctx,(unsigned long)time(NULL)); - } - } - } - -const SSL_METHOD *SSL_get_ssl_method(SSL *s) - { - return(s->method); - } - -int SSL_set_ssl_method(SSL *s, const SSL_METHOD *meth) - { - int conn= -1; - int ret=1; - - if (s->method != meth) - { - if (s->handshake_func != NULL) - conn=(s->handshake_func == s->method->ssl_connect); - - if (s->method->version == meth->version) - s->method=meth; - else - { - s->method->ssl_free(s); - s->method=meth; - ret=s->method->ssl_new(s); - } - - if (conn == 1) - s->handshake_func=meth->ssl_connect; - else if (conn == 0) - s->handshake_func=meth->ssl_accept; - } - return(ret); - } - -int SSL_get_error(const SSL *s,int i) - { - int reason; - unsigned long l; - BIO *bio; - - if (i > 0) return(SSL_ERROR_NONE); - - /* Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake - * etc, where we do encode the error */ - if ((l=ERR_peek_error()) != 0) - { - if (ERR_GET_LIB(l) == ERR_LIB_SYS) - return(SSL_ERROR_SYSCALL); - else - return(SSL_ERROR_SSL); - } - - if ((i < 0) && SSL_want_read(s)) - { - bio=SSL_get_rbio(s); - if (BIO_should_read(bio)) - return(SSL_ERROR_WANT_READ); - else if (BIO_should_write(bio)) - /* This one doesn't make too much sense ... We never try - * to write to the rbio, and an application program where - * rbio and wbio are separate couldn't even know what it - * should wait for. - * However if we ever set s->rwstate incorrectly - * (so that we have SSL_want_read(s) instead of - * SSL_want_write(s)) and rbio and wbio *are* the same, - * this test works around that bug; so it might be safer - * to keep it. */ - return(SSL_ERROR_WANT_WRITE); - else if (BIO_should_io_special(bio)) - { - reason=BIO_get_retry_reason(bio); - if (reason == BIO_RR_CONNECT) - return(SSL_ERROR_WANT_CONNECT); - else if (reason == BIO_RR_ACCEPT) - return(SSL_ERROR_WANT_ACCEPT); - else - return(SSL_ERROR_SYSCALL); /* unknown */ - } - } - - if ((i < 0) && SSL_want_write(s)) - { - bio=SSL_get_wbio(s); - if (BIO_should_write(bio)) - return(SSL_ERROR_WANT_WRITE); - else if (BIO_should_read(bio)) - /* See above (SSL_want_read(s) with BIO_should_write(bio)) */ - return(SSL_ERROR_WANT_READ); - else if (BIO_should_io_special(bio)) - { - reason=BIO_get_retry_reason(bio); - if (reason == BIO_RR_CONNECT) - return(SSL_ERROR_WANT_CONNECT); - else if (reason == BIO_RR_ACCEPT) - return(SSL_ERROR_WANT_ACCEPT); - else - return(SSL_ERROR_SYSCALL); - } - } - if ((i < 0) && SSL_want_x509_lookup(s)) - { - return(SSL_ERROR_WANT_X509_LOOKUP); - } - - if (i == 0) - { - if (s->version == SSL2_VERSION) - { - /* assume it is the socket being closed */ - return(SSL_ERROR_ZERO_RETURN); - } - else - { - if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) && - (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY)) - return(SSL_ERROR_ZERO_RETURN); - } - } - return(SSL_ERROR_SYSCALL); - } - -int SSL_do_handshake(SSL *s) - { - int ret=1; - - if (s->handshake_func == NULL) - { - SSLerr(SSL_F_SSL_DO_HANDSHAKE,SSL_R_CONNECTION_TYPE_NOT_SET); - return(-1); - } - - s->method->ssl_renegotiate_check(s); - - if (SSL_in_init(s) || SSL_in_before(s)) - { - ret=s->handshake_func(s); - } - return(ret); - } - -/* For the next 2 functions, SSL_clear() sets shutdown and so - * one of these calls will reset it */ -void SSL_set_accept_state(SSL *s) - { - s->server=1; - s->shutdown=0; - s->state=SSL_ST_ACCEPT|SSL_ST_BEFORE; - s->handshake_func=s->method->ssl_accept; - /* clear the current cipher */ - ssl_clear_cipher_ctx(s); - ssl_clear_hash_ctx(&s->read_hash); - ssl_clear_hash_ctx(&s->write_hash); - } - -void SSL_set_connect_state(SSL *s) - { - s->server=0; - s->shutdown=0; - s->state=SSL_ST_CONNECT|SSL_ST_BEFORE; - s->handshake_func=s->method->ssl_connect; - /* clear the current cipher */ - ssl_clear_cipher_ctx(s); - ssl_clear_hash_ctx(&s->read_hash); - ssl_clear_hash_ctx(&s->write_hash); - } - -int ssl_undefined_function(SSL *s) - { - SSLerr(SSL_F_SSL_UNDEFINED_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); - return(0); - } - -int ssl_undefined_void_function(void) - { - SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); - return(0); - } - -int ssl_undefined_const_function(const SSL *s) - { - SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); - return(0); - } - -SSL_METHOD *ssl_bad_method(int ver) - { - SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); - return(NULL); - } - -static const char *ssl_get_version(int version) - { - if (version == TLS1_VERSION) - return("TLSv1"); - else if (version == SSL3_VERSION) - return("SSLv3"); - else if (version == SSL2_VERSION) - return("SSLv2"); - else - return("unknown"); - } - -const char *SSL_get_version(const SSL *s) - { - return ssl_get_version(s->version); - } - -const char *SSL_SESSION_get_version(const SSL_SESSION *s) - { - return ssl_get_version(s->ssl_version); - } - -const char* SSL_authentication_method(const SSL* ssl) - { - if (ssl->cert != NULL && ssl->cert->rsa_tmp != NULL) - return SSL_TXT_RSA "_" SSL_TXT_EXPORT; - switch (ssl->version) - { - case SSL2_VERSION: - return SSL_TXT_RSA; - case SSL3_VERSION: - case TLS1_VERSION: - case DTLS1_VERSION: - return SSL_CIPHER_authentication_method(ssl->s3->tmp.new_cipher); - default: - return "UNKNOWN"; - } - } - -SSL *SSL_dup(SSL *s) - { - STACK_OF(X509_NAME) *sk; - X509_NAME *xn; - SSL *ret; - int i; - - if ((ret=SSL_new(SSL_get_SSL_CTX(s))) == NULL) - return(NULL); - - ret->version = s->version; - ret->type = s->type; - ret->method = s->method; - - if (s->session != NULL) - { - /* This copies session-id, SSL_METHOD, sid_ctx, and 'cert' */ - SSL_copy_session_id(ret,s); - } - else - { - /* No session has been established yet, so we have to expect - * that s->cert or ret->cert will be changed later -- - * they should not both point to the same object, - * and thus we can't use SSL_copy_session_id. */ - - ret->method->ssl_free(ret); - ret->method = s->method; - ret->method->ssl_new(ret); - - if (s->cert != NULL) - { - if (ret->cert != NULL) - { - ssl_cert_free(ret->cert); - } - ret->cert = ssl_cert_dup(s->cert); - if (ret->cert == NULL) - goto err; - } - - SSL_set_session_id_context(ret, - s->sid_ctx, s->sid_ctx_length); - } - - ret->options=s->options; - ret->mode=s->mode; - SSL_set_max_cert_list(ret,SSL_get_max_cert_list(s)); - SSL_set_read_ahead(ret,SSL_get_read_ahead(s)); - ret->msg_callback = s->msg_callback; - ret->msg_callback_arg = s->msg_callback_arg; - SSL_set_verify(ret,SSL_get_verify_mode(s), - SSL_get_verify_callback(s)); - SSL_set_verify_depth(ret,SSL_get_verify_depth(s)); - ret->generate_session_id = s->generate_session_id; - - SSL_set_info_callback(ret,SSL_get_info_callback(s)); - - ret->debug=s->debug; - - /* copy app data, a little dangerous perhaps */ - if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data)) - goto err; - - /* setup rbio, and wbio */ - if (s->rbio != NULL) - { - if (!BIO_dup_state(s->rbio,(char *)&ret->rbio)) - goto err; - } - if (s->wbio != NULL) - { - if (s->wbio != s->rbio) - { - if (!BIO_dup_state(s->wbio,(char *)&ret->wbio)) - goto err; - } - else - ret->wbio=ret->rbio; - } - ret->rwstate = s->rwstate; - ret->in_handshake = s->in_handshake; - ret->handshake_func = s->handshake_func; - ret->server = s->server; - ret->new_session = s->new_session; - ret->quiet_shutdown = s->quiet_shutdown; - ret->shutdown=s->shutdown; - ret->state=s->state; /* SSL_dup does not really work at any state, though */ - ret->rstate=s->rstate; - ret->init_num = 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */ - ret->hit=s->hit; - - X509_VERIFY_PARAM_inherit(ret->param, s->param); - - /* dup the cipher_list and cipher_list_by_id stacks */ - if (s->cipher_list != NULL) - { - if ((ret->cipher_list=sk_SSL_CIPHER_dup(s->cipher_list)) == NULL) - goto err; - } - if (s->cipher_list_by_id != NULL) - if ((ret->cipher_list_by_id=sk_SSL_CIPHER_dup(s->cipher_list_by_id)) - == NULL) - goto err; - - /* Dup the client_CA list */ - if (s->client_CA != NULL) - { - if ((sk=sk_X509_NAME_dup(s->client_CA)) == NULL) goto err; - ret->client_CA=sk; - for (i=0; i<sk_X509_NAME_num(sk); i++) - { - xn=sk_X509_NAME_value(sk,i); - if (sk_X509_NAME_set(sk,i,X509_NAME_dup(xn)) == NULL) - { - X509_NAME_free(xn); - goto err; - } - } - } - - if (0) - { -err: - if (ret != NULL) SSL_free(ret); - ret=NULL; - } - return(ret); - } - -void ssl_clear_cipher_ctx(SSL *s) - { - if (s->enc_read_ctx != NULL) - { - EVP_CIPHER_CTX_cleanup(s->enc_read_ctx); - OPENSSL_free(s->enc_read_ctx); - s->enc_read_ctx=NULL; - } - if (s->enc_write_ctx != NULL) - { - EVP_CIPHER_CTX_cleanup(s->enc_write_ctx); - OPENSSL_free(s->enc_write_ctx); - s->enc_write_ctx=NULL; - } -#ifndef OPENSSL_NO_COMP - if (s->expand != NULL) - { - COMP_CTX_free(s->expand); - s->expand=NULL; - } - if (s->compress != NULL) - { - COMP_CTX_free(s->compress); - s->compress=NULL; - } -#endif - } - -/* Fix this function so that it takes an optional type parameter */ -X509 *SSL_get_certificate(const SSL *s) - { - if (s->cert != NULL) - return(s->cert->key->x509); - else - return(NULL); - } - -/* Fix this function so that it takes an optional type parameter */ -EVP_PKEY *SSL_get_privatekey(SSL *s) - { - if (s->cert != NULL) - return(s->cert->key->privatekey); - else - return(NULL); - } - -const SSL_CIPHER *SSL_get_current_cipher(const SSL *s) - { - if ((s->session != NULL) && (s->session->cipher != NULL)) - return(s->session->cipher); - return(NULL); - } -#ifdef OPENSSL_NO_COMP -const void *SSL_get_current_compression(SSL *s) - { - return NULL; - } -const void *SSL_get_current_expansion(SSL *s) - { - return NULL; - } -#else - -const COMP_METHOD *SSL_get_current_compression(SSL *s) - { - if (s->compress != NULL) - return(s->compress->meth); - return(NULL); - } - -const COMP_METHOD *SSL_get_current_expansion(SSL *s) - { - if (s->expand != NULL) - return(s->expand->meth); - return(NULL); - } -#endif - -int ssl_init_wbio_buffer(SSL *s,int push) - { - BIO *bbio; - - if (s->bbio == NULL) - { - bbio=BIO_new(BIO_f_buffer()); - if (bbio == NULL) return(0); - s->bbio=bbio; - } - else - { - bbio=s->bbio; - if (s->bbio == s->wbio) - s->wbio=BIO_pop(s->wbio); - } - (void)BIO_reset(bbio); -/* if (!BIO_set_write_buffer_size(bbio,16*1024)) */ - if (!BIO_set_read_buffer_size(bbio,1)) - { - SSLerr(SSL_F_SSL_INIT_WBIO_BUFFER,ERR_R_BUF_LIB); - return(0); - } - if (push) - { - if (s->wbio != bbio) - s->wbio=BIO_push(bbio,s->wbio); - } - else - { - if (s->wbio == bbio) - s->wbio=BIO_pop(bbio); - } - return(1); - } - -void ssl_free_wbio_buffer(SSL *s) - { - if (s->bbio == NULL) return; - - if (s->bbio == s->wbio) - { - /* remove buffering */ - s->wbio=BIO_pop(s->wbio); -#ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */ - assert(s->wbio != NULL); -#endif - } - BIO_free(s->bbio); - s->bbio=NULL; - } - -void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode) - { - ctx->quiet_shutdown=mode; - } - -int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx) - { - return(ctx->quiet_shutdown); - } - -void SSL_set_quiet_shutdown(SSL *s,int mode) - { - s->quiet_shutdown=mode; - } - -int SSL_get_quiet_shutdown(const SSL *s) - { - return(s->quiet_shutdown); - } - -void SSL_set_shutdown(SSL *s,int mode) - { - s->shutdown=mode; - } - -int SSL_get_shutdown(const SSL *s) - { - return(s->shutdown); - } - -int SSL_version(const SSL *s) - { - return(s->version); - } - -SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl) - { - return(ssl->ctx); - } - -SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx) - { - if (ssl->ctx == ctx) - return ssl->ctx; -#ifndef OPENSSL_NO_TLSEXT - if (ctx == NULL) - ctx = ssl->initial_ctx; -#endif - if (ssl->cert != NULL) - ssl_cert_free(ssl->cert); - ssl->cert = ssl_cert_dup(ctx->cert); - CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); - if (ssl->ctx != NULL) - SSL_CTX_free(ssl->ctx); /* decrement reference count */ - ssl->ctx = ctx; - return(ssl->ctx); - } - -#ifndef OPENSSL_NO_STDIO -int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx) - { - return(X509_STORE_set_default_paths(ctx->cert_store)); - } - -int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile, - const char *CApath) - { - return(X509_STORE_load_locations(ctx->cert_store,CAfile,CApath)); - } -#endif - -void SSL_set_info_callback(SSL *ssl, - void (*cb)(const SSL *ssl,int type,int val)) - { - ssl->info_callback=cb; - } - -/* One compiler (Diab DCC) doesn't like argument names in returned - function pointer. */ -void (*SSL_get_info_callback(const SSL *ssl))(const SSL * /*ssl*/,int /*type*/,int /*val*/) - { - return ssl->info_callback; - } - -int SSL_state(const SSL *ssl) - { - return(ssl->state); - } - -void SSL_set_verify_result(SSL *ssl,long arg) - { - ssl->verify_result=arg; - } - -long SSL_get_verify_result(const SSL *ssl) - { - return(ssl->verify_result); - } - -int SSL_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func, - CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func) - { - return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, argl, argp, - new_func, dup_func, free_func); - } - -int SSL_set_ex_data(SSL *s,int idx,void *arg) - { - return(CRYPTO_set_ex_data(&s->ex_data,idx,arg)); - } - -void *SSL_get_ex_data(const SSL *s,int idx) - { - return(CRYPTO_get_ex_data(&s->ex_data,idx)); - } - -int SSL_CTX_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func, - CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func) - { - return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, argl, argp, - new_func, dup_func, free_func); - } - -int SSL_CTX_set_ex_data(SSL_CTX *s,int idx,void *arg) - { - return(CRYPTO_set_ex_data(&s->ex_data,idx,arg)); - } - -void *SSL_CTX_get_ex_data(const SSL_CTX *s,int idx) - { - return(CRYPTO_get_ex_data(&s->ex_data,idx)); - } - -int ssl_ok(SSL *s) - { - return(1); - } - -X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx) - { - return(ctx->cert_store); - } - -void SSL_CTX_set_cert_store(SSL_CTX *ctx,X509_STORE *store) - { - if (ctx->cert_store != NULL) - X509_STORE_free(ctx->cert_store); - ctx->cert_store=store; - } - -int SSL_want(const SSL *s) - { - return(s->rwstate); - } - -/*! - * \brief Set the callback for generating temporary RSA keys. - * \param ctx the SSL context. - * \param cb the callback - */ - -#ifndef OPENSSL_NO_RSA -void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl, - int is_export, - int keylength)) - { - SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb); - } - -void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl, - int is_export, - int keylength)) - { - SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb); - } -#endif - -#ifdef DOXYGEN -/*! - * \brief The RSA temporary key callback function. - * \param ssl the SSL session. - * \param is_export \c TRUE if the temp RSA key is for an export ciphersuite. - * \param keylength if \c is_export is \c TRUE, then \c keylength is the size - * of the required key in bits. - * \return the temporary RSA key. - * \sa SSL_CTX_set_tmp_rsa_callback, SSL_set_tmp_rsa_callback - */ - -RSA *cb(SSL *ssl,int is_export,int keylength) - {} -#endif - -/*! - * \brief Set the callback for generating temporary DH keys. - * \param ctx the SSL context. - * \param dh the callback - */ - -#ifndef OPENSSL_NO_DH -void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export, - int keylength)) - { - SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh); - } - -void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export, - int keylength)) - { - SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh); - } -#endif - -#ifndef OPENSSL_NO_ECDH -void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,EC_KEY *(*ecdh)(SSL *ssl,int is_export, - int keylength)) - { - SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh); - } - -void SSL_set_tmp_ecdh_callback(SSL *ssl,EC_KEY *(*ecdh)(SSL *ssl,int is_export, - int keylength)) - { - SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh); - } -#endif - -#ifndef OPENSSL_NO_PSK -int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint) - { - if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) - { - SSLerr(SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG); - return 0; - } - if (ctx->psk_identity_hint != NULL) - OPENSSL_free(ctx->psk_identity_hint); - if (identity_hint != NULL) - { - ctx->psk_identity_hint = BUF_strdup(identity_hint); - if (ctx->psk_identity_hint == NULL) - return 0; - } - else - ctx->psk_identity_hint = NULL; - return 1; - } - -int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint) - { - if (s == NULL) - return 0; - - if (s->session == NULL) - return 1; /* session not created yet, ignored */ - - if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) - { - SSLerr(SSL_F_SSL_USE_PSK_IDENTITY_HINT, SSL_R_DATA_LENGTH_TOO_LONG); - return 0; - } - if (s->session->psk_identity_hint != NULL) - OPENSSL_free(s->session->psk_identity_hint); - if (identity_hint != NULL) - { - s->session->psk_identity_hint = BUF_strdup(identity_hint); - if (s->session->psk_identity_hint == NULL) - return 0; - } - else - s->session->psk_identity_hint = NULL; - return 1; - } - -const char *SSL_get_psk_identity_hint(const SSL *s) - { - if (s == NULL || s->session == NULL) - return NULL; - return(s->session->psk_identity_hint); - } - -const char *SSL_get_psk_identity(const SSL *s) - { - if (s == NULL || s->session == NULL) - return NULL; - return(s->session->psk_identity); - } - -void SSL_set_psk_client_callback(SSL *s, - unsigned int (*cb)(SSL *ssl, const char *hint, - char *identity, unsigned int max_identity_len, unsigned char *psk, - unsigned int max_psk_len)) - { - s->psk_client_callback = cb; - } - -void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, - unsigned int (*cb)(SSL *ssl, const char *hint, - char *identity, unsigned int max_identity_len, unsigned char *psk, - unsigned int max_psk_len)) - { - ctx->psk_client_callback = cb; - } - -void SSL_set_psk_server_callback(SSL *s, - unsigned int (*cb)(SSL *ssl, const char *identity, - unsigned char *psk, unsigned int max_psk_len)) - { - s->psk_server_callback = cb; - } - -void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, - unsigned int (*cb)(SSL *ssl, const char *identity, - unsigned char *psk, unsigned int max_psk_len)) - { - ctx->psk_server_callback = cb; - } -#endif - -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)) - { - SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); - } -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)) - { - SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb); - } - -int SSL_cutthrough_complete(const SSL *s) - { - return (!s->server && /* cutthrough only applies to clients */ - !s->hit && /* full-handshake */ - s->version >= SSL3_VERSION && - s->s3->in_read_app_data == 0 && /* cutthrough only applies to write() */ - (SSL_get_mode((SSL*)s) & SSL_MODE_HANDSHAKE_CUTTHROUGH) && /* cutthrough enabled */ - SSL_get_cipher_bits(s, NULL) >= 128 && /* strong cipher choosen */ - s->s3->previous_server_finished_len == 0 && /* not a renegotiation handshake */ - (s->state == SSL3_ST_CR_SESSION_TICKET_A || /* ready to write app-data*/ - s->state == SSL3_ST_CR_FINISHED_A)); - } - -/* Allocates new EVP_MD_CTX and sets pointer to it into given pointer - * vairable, freeing EVP_MD_CTX previously stored in that variable, if - * any. If EVP_MD pointer is passed, initializes ctx with this md - * Returns newly allocated ctx; - */ - -EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) -{ - ssl_clear_hash_ctx(hash); - *hash = EVP_MD_CTX_create(); - if (md) EVP_DigestInit_ex(*hash,md,NULL); - return *hash; -} -void ssl_clear_hash_ctx(EVP_MD_CTX **hash) -{ - - if (*hash) EVP_MD_CTX_destroy(*hash); - *hash=NULL; -} - -#if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16) -#include "../crypto/bio/bss_file.c" -#endif - -IMPLEMENT_STACK_OF(SSL_CIPHER) -IMPLEMENT_STACK_OF(SSL_COMP) -IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, - ssl_cipher_id); - |