-/* 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) 199-2015 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
- * licensing@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/)"
+/*
+ * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
*
- * 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.
- * ====================================================================
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
/* socket-related functions used by s_client and s_server */
#ifndef OPENSSL_NO_SOCK
-# define USE_SOCKETS
# include "apps.h"
-# undef USE_SOCKETS
# include "s_apps.h"
+# include "internal/sockets.h"
# include <openssl/bio.h>
# include <openssl/err.h>
* @family: desired socket family, may be AF_INET, AF_INET6, AF_UNIX or
* AF_UNSPEC
* @type: socket type, must be SOCK_STREAM or SOCK_DGRAM
+ * @protocol: socket protocol, e.g. IPPROTO_TCP or IPPROTO_UDP (or 0 for any)
*
* This will create a socket and use it to connect to a host:port, or if
* family == AF_UNIX, to the path found in host.
* Returns 1 on success, 0 on failure.
*/
int init_client(int *sock, const char *host, const char *port,
- int family, int type)
+ int family, int type, int protocol)
{
BIO_ADDRINFO *res = NULL;
const BIO_ADDRINFO *ai = NULL;
int ret;
- if (!BIO_sock_init())
+ if (BIO_sock_init() != 1)
return 0;
- ret = BIO_lookup(host, port, BIO_LOOKUP_CLIENT, family, type, &res);
+ ret = BIO_lookup_ex(host, port, BIO_LOOKUP_CLIENT, family, type, protocol,
+ &res);
if (ret == 0) {
ERR_print_errors(bio_err);
return 0;
/* Admittedly, these checks are quite paranoid, we should not get
* anything in the BIO_ADDRINFO chain that we haven't
* asked for. */
- OPENSSL_assert((family == AF_UNSPEC || family == BIO_ADDRINFO_family(res))
- && (type == 0 || type == BIO_ADDRINFO_socktype(res)));
+ OPENSSL_assert((family == AF_UNSPEC
+ || family == BIO_ADDRINFO_family(ai))
+ && (type == 0 || type == BIO_ADDRINFO_socktype(ai))
+ && (protocol == 0
+ || protocol == BIO_ADDRINFO_protocol(ai)));
*sock = BIO_socket(BIO_ADDRINFO_family(ai), BIO_ADDRINFO_socktype(ai),
- BIO_ADDRINFO_protocol(res), 0);
+ BIO_ADDRINFO_protocol(ai), 0);
if (*sock == INVALID_SOCKET) {
/* Maybe the kernel doesn't support the socket family, even if
* BIO_lookup() added it in the returned result...
*/
continue;
}
+
+#ifndef OPENSSL_NO_SCTP
+ if (protocol == IPPROTO_SCTP) {
+ /*
+ * For SCTP we have to set various options on the socket prior to
+ * connecting. This is done automatically by BIO_new_dgram_sctp().
+ * We don't actually need the created BIO though so we free it again
+ * immediately.
+ */
+ BIO *tmpbio = BIO_new_dgram_sctp(*sock, BIO_NOCLOSE);
+
+ if (tmpbio == NULL) {
+ ERR_print_errors(bio_err);
+ return 0;
+ }
+ BIO_free(tmpbio);
+ }
+#endif
+
if (!BIO_connect(*sock, BIO_ADDRINFO_address(ai), 0)) {
BIO_closesocket(*sock);
*sock = INVALID_SOCKET;
* 0 on failure, something other on success.
*/
int do_server(int *accept_sock, const char *host, const char *port,
- int family, int type, do_server_cb cb,
+ int family, int type, int protocol, do_server_cb cb,
unsigned char *context, int naccept)
{
int asock = 0;
BIO_ADDRINFO *res = NULL;
int ret = 0;
- if (!BIO_sock_init())
+ if (BIO_sock_init() != 1)
return 0;
- if (!BIO_lookup(host, port, BIO_LOOKUP_SERVER, family, type, &res)) {
+ if (!BIO_lookup_ex(host, port, BIO_LOOKUP_SERVER, family, type, protocol,
+ &res)) {
ERR_print_errors(bio_err);
return 0;
}
/* Admittedly, these checks are quite paranoid, we should not get
* anything in the BIO_ADDRINFO chain that we haven't asked for */
OPENSSL_assert((family == AF_UNSPEC || family == BIO_ADDRINFO_family(res))
- && (type == 0 || type == BIO_ADDRINFO_socktype(res)));
+ && (type == 0 || type == BIO_ADDRINFO_socktype(res))
+ && (protocol == 0 || protocol == BIO_ADDRINFO_protocol(res)));
asock = BIO_socket(BIO_ADDRINFO_family(res), BIO_ADDRINFO_socktype(res),
BIO_ADDRINFO_protocol(res), 0);
goto end;
}
+#ifndef OPENSSL_NO_SCTP
+ if (protocol == IPPROTO_SCTP) {
+ /*
+ * For SCTP we have to set various options on the socket prior to
+ * accepting. This is done automatically by BIO_new_dgram_sctp().
+ * We don't actually need the created BIO though so we free it again
+ * immediately.
+ */
+ BIO *tmpbio = BIO_new_dgram_sctp(asock, BIO_NOCLOSE);
+
+ if (tmpbio == NULL) {
+ BIO_closesocket(asock);
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ BIO_free(tmpbio);
+ }
+#endif
+
BIO_ADDRINFO_free(res);
res = NULL;
if (type == SOCK_STREAM) {
do {
sock = BIO_accept_ex(asock, NULL, 0);
- } while (sock < 0 && BIO_sock_should_retry(ret));
+ } while (sock < 0 && BIO_sock_should_retry(sock));
if (sock < 0) {
ERR_print_errors(bio_err);
BIO_closesocket(asock);
break;
}
- i = (*cb)(sock, type, context);
+ i = (*cb)(sock, type, protocol, context);
+ /*
+ * If we ended with an alert being sent, but still with data in the
+ * network buffer to be read, then calling BIO_closesocket() will
+ * result in a TCP-RST being sent. On some platforms (notably
+ * Windows) then this will result in the peer immediately abandoning
+ * the connection including any buffered alert data before it has
+ * had a chance to be read. Shutting down the sending side first,
+ * and then closing the socket sends TCP-FIN first followed by
+ * TCP-RST. This seems to allow the peer to read the alert data.
+ */
+ shutdown(sock, 1); /* SHUT_WR */
BIO_closesocket(sock);
} else {
- i = (*cb)(asock, type, context);
+ i = (*cb)(asock, type, protocol, context);
}
if (naccept != -1)
projects / openssl.git / blobdiff