Import OpenSSL 1.1.0f
This commit is contained in:
238
ssl/bio_ssl.c
238
ssl/bio_ssl.c
@@ -1,59 +1,10 @@
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/* ssl/bio_ssl.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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/*
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* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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@@ -61,9 +12,9 @@
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#include <string.h>
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#include <errno.h>
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#include <openssl/crypto.h>
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#include <openssl/bio.h>
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#include "internal/bio.h"
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#include <openssl/err.h>
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#include <openssl/ssl.h>
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#include "ssl_locl.h"
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static int ssl_write(BIO *h, const char *buf, int num);
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static int ssl_read(BIO *h, char *buf, int size);
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@@ -82,7 +33,7 @@ typedef struct bio_ssl_st {
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unsigned long last_time;
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} BIO_SSL;
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static BIO_METHOD methods_sslp = {
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static const BIO_METHOD methods_sslp = {
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BIO_TYPE_SSL, "ssl",
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ssl_write,
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ssl_read,
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@@ -94,25 +45,25 @@ static BIO_METHOD methods_sslp = {
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ssl_callback_ctrl,
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};
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BIO_METHOD *BIO_f_ssl(void)
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const BIO_METHOD *BIO_f_ssl(void)
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{
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return (&methods_sslp);
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}
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static int ssl_new(BIO *bi)
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{
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BIO_SSL *bs;
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BIO_SSL *bs = OPENSSL_zalloc(sizeof(*bs));
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bs = (BIO_SSL *)OPENSSL_malloc(sizeof(BIO_SSL));
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if (bs == NULL) {
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BIOerr(BIO_F_SSL_NEW, ERR_R_MALLOC_FAILURE);
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return (0);
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}
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memset(bs, 0, sizeof(BIO_SSL));
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bi->init = 0;
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bi->ptr = (char *)bs;
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bi->flags = 0;
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return (1);
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BIO_set_init(bi, 0);
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BIO_set_data(bi, bs);
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/* Clear all flags */
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BIO_clear_flags(bi, ~0);
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return 1;
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}
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static int ssl_free(BIO *a)
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@@ -121,18 +72,18 @@ static int ssl_free(BIO *a)
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if (a == NULL)
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return (0);
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bs = (BIO_SSL *)a->ptr;
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bs = BIO_get_data(a);
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if (bs->ssl != NULL)
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SSL_shutdown(bs->ssl);
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if (a->shutdown) {
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if (a->init && (bs->ssl != NULL))
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if (BIO_get_shutdown(a)) {
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if (BIO_get_init(a))
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SSL_free(bs->ssl);
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a->init = 0;
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a->flags = 0;
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/* Clear all flags */
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BIO_clear_flags(a, ~0);
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BIO_set_init(a, 0);
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}
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if (a->ptr != NULL)
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OPENSSL_free(a->ptr);
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return (1);
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OPENSSL_free(bs);
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return 1;
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}
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static int ssl_read(BIO *b, char *out, int outl)
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@@ -145,23 +96,11 @@ static int ssl_read(BIO *b, char *out, int outl)
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if (out == NULL)
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return (0);
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sb = (BIO_SSL *)b->ptr;
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sb = BIO_get_data(b);
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ssl = sb->ssl;
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BIO_clear_retry_flags(b);
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#if 0
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if (!SSL_is_init_finished(ssl)) {
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/* ret=SSL_do_handshake(ssl); */
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if (ret > 0) {
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outflags = (BIO_FLAGS_READ | BIO_FLAGS_SHOULD_RETRY);
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ret = -1;
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goto end;
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}
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}
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#endif
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/* if (ret > 0) */
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ret = SSL_read(ssl, out, outl);
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switch (SSL_get_error(ssl, ret)) {
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@@ -214,7 +153,7 @@ static int ssl_read(BIO *b, char *out, int outl)
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break;
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}
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b->retry_reason = retry_reason;
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BIO_set_retry_reason(b, retry_reason);
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return (ret);
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}
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@@ -227,7 +166,7 @@ static int ssl_write(BIO *b, const char *out, int outl)
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if (out == NULL)
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return (0);
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bs = (BIO_SSL *)b->ptr;
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bs = BIO_get_data(b);
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ssl = bs->ssl;
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BIO_clear_retry_flags(b);
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@@ -280,18 +219,20 @@ static int ssl_write(BIO *b, const char *out, int outl)
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break;
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}
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b->retry_reason = retry_reason;
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return (ret);
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BIO_set_retry_reason(b, retry_reason);
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return ret;
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}
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static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr)
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{
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SSL **sslp, *ssl;
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BIO_SSL *bs;
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BIO_SSL *bs, *dbs;
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BIO *dbio, *bio;
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long ret = 1;
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BIO *next;
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bs = (BIO_SSL *)b->ptr;
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bs = BIO_get_data(b);
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next = BIO_next(b);
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ssl = bs->ssl;
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if ((ssl == NULL) && (cmd != BIO_C_SET_SSL))
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return (0);
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@@ -304,10 +245,13 @@ static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr)
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else if (ssl->handshake_func == ssl->method->ssl_accept)
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SSL_set_accept_state(ssl);
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SSL_clear(ssl);
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if (!SSL_clear(ssl)) {
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ret = 0;
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break;
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}
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if (b->next_bio != NULL)
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ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
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if (next != NULL)
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ret = BIO_ctrl(next, cmd, num, ptr);
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else if (ssl->rbio != NULL)
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ret = BIO_ctrl(ssl->rbio, cmd, num, ptr);
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else
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@@ -343,17 +287,17 @@ static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr)
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if (!ssl_new(b))
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return 0;
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}
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b->shutdown = (int)num;
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BIO_set_shutdown(b, num);
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ssl = (SSL *)ptr;
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((BIO_SSL *)b->ptr)->ssl = ssl;
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bs->ssl = ssl;
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bio = SSL_get_rbio(ssl);
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if (bio != NULL) {
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if (b->next_bio != NULL)
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BIO_push(bio, b->next_bio);
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b->next_bio = bio;
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CRYPTO_add(&bio->references, 1, CRYPTO_LOCK_BIO);
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if (next != NULL)
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BIO_push(bio, next);
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BIO_set_next(b, bio);
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BIO_up_ref(bio);
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}
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b->init = 1;
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BIO_set_init(b, 1);
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break;
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case BIO_C_GET_SSL:
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if (ptr != NULL) {
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@@ -363,10 +307,10 @@ static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr)
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ret = 0;
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break;
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case BIO_CTRL_GET_CLOSE:
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ret = b->shutdown;
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ret = BIO_get_shutdown(b);
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break;
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case BIO_CTRL_SET_CLOSE:
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b->shutdown = (int)num;
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BIO_set_shutdown(b, (int)num);
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break;
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case BIO_CTRL_WPENDING:
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ret = BIO_ctrl(ssl->wbio, cmd, num, ptr);
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@@ -382,30 +326,26 @@ static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr)
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BIO_copy_next_retry(b);
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break;
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case BIO_CTRL_PUSH:
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if ((b->next_bio != NULL) && (b->next_bio != ssl->rbio)) {
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SSL_set_bio(ssl, b->next_bio, b->next_bio);
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CRYPTO_add(&b->next_bio->references, 1, CRYPTO_LOCK_BIO);
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if ((next != NULL) && (next != ssl->rbio)) {
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/*
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* We are going to pass ownership of next to the SSL object...but
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* we don't own a reference to pass yet - so up ref
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*/
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BIO_up_ref(next);
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SSL_set_bio(ssl, next, next);
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}
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break;
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case BIO_CTRL_POP:
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/* Only detach if we are the BIO explicitly being popped */
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if (b == ptr) {
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/*
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* Shouldn't happen in practice because the rbio and wbio are the
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* same when pushed.
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*/
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if (ssl->rbio != ssl->wbio)
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BIO_free_all(ssl->wbio);
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if (b->next_bio != NULL)
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CRYPTO_add(&b->next_bio->references, -1, CRYPTO_LOCK_BIO);
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ssl->wbio = NULL;
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ssl->rbio = NULL;
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/* This will clear the reference we obtained during push */
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SSL_set_bio(ssl, NULL, NULL);
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}
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break;
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case BIO_C_DO_STATE_MACHINE:
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BIO_clear_retry_flags(b);
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b->retry_reason = 0;
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BIO_set_retry_reason(b, 0);
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ret = (int)SSL_do_handshake(ssl);
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switch (SSL_get_error(ssl, (int)ret)) {
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@@ -417,11 +357,11 @@ static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr)
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break;
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case SSL_ERROR_WANT_CONNECT:
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BIO_set_flags(b, BIO_FLAGS_IO_SPECIAL | BIO_FLAGS_SHOULD_RETRY);
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b->retry_reason = b->next_bio->retry_reason;
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BIO_set_retry_reason(b, BIO_get_retry_reason(next));
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break;
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case SSL_ERROR_WANT_X509_LOOKUP:
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BIO_set_retry_special(b);
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b->retry_reason = BIO_RR_SSL_X509_LOOKUP;
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BIO_set_retry_reason(b, BIO_RR_SSL_X509_LOOKUP);
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break;
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default:
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break;
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@@ -429,16 +369,15 @@ static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr)
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break;
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case BIO_CTRL_DUP:
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dbio = (BIO *)ptr;
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if (((BIO_SSL *)dbio->ptr)->ssl != NULL)
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SSL_free(((BIO_SSL *)dbio->ptr)->ssl);
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((BIO_SSL *)dbio->ptr)->ssl = SSL_dup(ssl);
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((BIO_SSL *)dbio->ptr)->renegotiate_count =
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((BIO_SSL *)b->ptr)->renegotiate_count;
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((BIO_SSL *)dbio->ptr)->byte_count = ((BIO_SSL *)b->ptr)->byte_count;
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((BIO_SSL *)dbio->ptr)->renegotiate_timeout =
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((BIO_SSL *)b->ptr)->renegotiate_timeout;
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((BIO_SSL *)dbio->ptr)->last_time = ((BIO_SSL *)b->ptr)->last_time;
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ret = (((BIO_SSL *)dbio->ptr)->ssl != NULL);
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dbs = BIO_get_data(dbio);
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SSL_free(dbs->ssl);
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dbs->ssl = SSL_dup(ssl);
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dbs->num_renegotiates = bs->num_renegotiates;
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dbs->renegotiate_count = bs->renegotiate_count;
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dbs->byte_count = bs->byte_count;
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dbs->renegotiate_timeout = bs->renegotiate_timeout;
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dbs->last_time = bs->last_time;
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ret = (dbs->ssl != NULL);
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break;
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case BIO_C_GET_FD:
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ret = BIO_ctrl(ssl->rbio, cmd, num, ptr);
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@@ -475,7 +414,7 @@ static long ssl_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
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BIO_SSL *bs;
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long ret = 1;
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bs = (BIO_SSL *)b->ptr;
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bs = BIO_get_data(b);
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ssl = bs->ssl;
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switch (cmd) {
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case BIO_CTRL_SET_CALLBACK:
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@@ -516,10 +455,8 @@ BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx)
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goto err;
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return (ret);
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err:
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if (buf != NULL)
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BIO_free(buf);
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if (ssl != NULL)
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BIO_free(ssl);
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BIO_free(buf);
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BIO_free(ssl);
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#endif
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return (NULL);
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}
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@@ -537,8 +474,7 @@ BIO *BIO_new_ssl_connect(SSL_CTX *ctx)
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goto err;
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return (ret);
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err:
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if (con != NULL)
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BIO_free(con);
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BIO_free(con);
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#endif
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return (NULL);
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}
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@@ -565,27 +501,29 @@ BIO *BIO_new_ssl(SSL_CTX *ctx, int client)
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int BIO_ssl_copy_session_id(BIO *t, BIO *f)
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{
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BIO_SSL *tdata, *fdata;
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t = BIO_find_type(t, BIO_TYPE_SSL);
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f = BIO_find_type(f, BIO_TYPE_SSL);
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if ((t == NULL) || (f == NULL))
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return 0;
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tdata = BIO_get_data(t);
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fdata = BIO_get_data(f);
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if ((tdata->ssl == NULL) || (fdata->ssl == NULL))
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return (0);
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if ((((BIO_SSL *)t->ptr)->ssl == NULL) ||
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(((BIO_SSL *)f->ptr)->ssl == NULL))
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return (0);
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SSL_copy_session_id(((BIO_SSL *)t->ptr)->ssl, ((BIO_SSL *)f->ptr)->ssl);
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if (!SSL_copy_session_id(tdata->ssl, (fdata->ssl)))
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return 0;
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return (1);
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}
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void BIO_ssl_shutdown(BIO *b)
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{
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SSL *s;
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BIO_SSL *bdata;
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while (b != NULL) {
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if (b->method->type == BIO_TYPE_SSL) {
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s = ((BIO_SSL *)b->ptr)->ssl;
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SSL_shutdown(s);
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break;
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}
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b = b->next_bio;
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for (; b != NULL; b = BIO_next(b)) {
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if (BIO_method_type(b) != BIO_TYPE_SSL)
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continue;
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bdata = BIO_get_data(b);
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if (bdata != NULL && bdata->ssl != NULL)
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SSL_shutdown(bdata->ssl);
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}
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}
|
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|
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Reference in New Issue
Block a user