-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2020 The OpenSSL Project Authors. 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.]
+ * Licensed under the Apache License 2.0 (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
*/
+#define OPENSSL_SUPPRESS_DEPRECATED
+
#include <stdio.h>
#include <errno.h>
-#include "bio_lcl.h"
+#include "bio_local.h"
#ifndef OPENSSL_NO_SOCK
static const BIO_METHOD methods_acceptp = {
BIO_TYPE_ACCEPT,
"socket accept",
+ /* TODO: Convert to new style write function */
+ bwrite_conv,
acpt_write,
+ /* TODO: Convert to new style read function */
+ bread_conv,
acpt_read,
acpt_puts,
- NULL, /* connect_gets, */
+ NULL, /* connect_gets, */
acpt_ctrl,
acpt_new,
acpt_free,
- NULL,
+ NULL, /* connect_callback_ctrl */
};
const BIO_METHOD *BIO_s_accept(void)
{
- return (&methods_acceptp);
+ return &methods_acceptp;
}
static int acpt_new(BIO *bi)
bi->num = (int)INVALID_SOCKET;
bi->flags = 0;
if ((ba = BIO_ACCEPT_new()) == NULL)
- return (0);
+ return 0;
bi->ptr = (char *)ba;
ba->state = ACPT_S_BEFORE;
bi->shutdown = 1;
- return (1);
+ return 1;
}
static BIO_ACCEPT *BIO_ACCEPT_new(void)
{
BIO_ACCEPT *ret;
- if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL)
- return (NULL);
+ if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) {
+ ERR_raise(ERR_LIB_BIO, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
ret->accept_family = BIO_FAMILY_IPANY;
ret->accept_sock = (int)INVALID_SOCKET;
- return (ret);
+ return ret;
}
static void BIO_ACCEPT_free(BIO_ACCEPT *a)
{
if (a == NULL)
return;
-
OPENSSL_free(a->param_addr);
OPENSSL_free(a->param_serv);
BIO_ADDRINFO_free(a->addr_first);
BIO_ACCEPT *data;
if (a == NULL)
- return (0);
+ return 0;
data = (BIO_ACCEPT *)a->ptr;
if (a->shutdown) {
a->flags = 0;
a->init = 0;
}
- return (1);
+ return 1;
}
static int acpt_state(BIO *b, BIO_ACCEPT *c)
switch (c->state) {
case ACPT_S_BEFORE:
if (c->param_addr == NULL && c->param_serv == NULL) {
- BIOerr(BIO_F_ACPT_STATE, BIO_R_NO_ACCEPT_ADDR_OR_SERVICE_SPECIFIED);
- ERR_add_error_data(4,
- "hostname=", c->param_addr,
- " service=", c->param_serv);
+ ERR_raise_data(ERR_LIB_BIO,
+ BIO_R_NO_ACCEPT_ADDR_OR_SERVICE_SPECIFIED,
+ "hostname=%s, service=%s",
+ c->param_addr, c->param_serv);
goto exit_loop;
}
family = AF_INET6;
} else {
#endif
- BIOerr(BIO_F_ACPT_STATE, BIO_R_UNAVAILABLE_IP_FAMILY);
+ ERR_raise(ERR_LIB_BIO, BIO_R_UNAVAILABLE_IP_FAMILY);
goto exit_loop;
}
break;
family = AF_UNSPEC;
break;
default:
- BIOerr(BIO_F_ACPT_STATE, BIO_R_UNSUPPORTED_IP_FAMILY);
+ ERR_raise(ERR_LIB_BIO, BIO_R_UNSUPPORTED_IP_FAMILY);
goto exit_loop;
}
if (BIO_lookup(c->param_addr, c->param_serv, BIO_LOOKUP_SERVER,
goto exit_loop;
}
if (c->addr_first == NULL) {
- BIOerr(BIO_F_ACPT_STATE, BIO_R_LOOKUP_RETURNED_NOTHING);
+ ERR_raise(ERR_LIB_BIO, BIO_R_LOOKUP_RETURNED_NOTHING);
goto exit_loop;
}
- /* We're currently not iterating, but set this as preparation
- * for possible future development in that regard
- */
c->addr_iter = c->addr_first;
c->state = ACPT_S_CREATE_SOCKET;
break;
case ACPT_S_CREATE_SOCKET:
- ret = BIO_socket(BIO_ADDRINFO_family(c->addr_iter),
- BIO_ADDRINFO_socktype(c->addr_iter),
- BIO_ADDRINFO_protocol(c->addr_iter), 0);
- if (ret == (int)INVALID_SOCKET) {
- SYSerr(SYS_F_SOCKET, get_last_socket_error());
- ERR_add_error_data(4,
- "hostname=", c->param_addr,
- " service=", c->param_serv);
- BIOerr(BIO_F_ACPT_STATE, BIO_R_UNABLE_TO_CREATE_SOCKET);
+ ERR_set_mark();
+ s = BIO_socket(BIO_ADDRINFO_family(c->addr_iter),
+ BIO_ADDRINFO_socktype(c->addr_iter),
+ BIO_ADDRINFO_protocol(c->addr_iter), 0);
+ if (s == (int)INVALID_SOCKET) {
+ if ((c->addr_iter = BIO_ADDRINFO_next(c->addr_iter)) != NULL) {
+ /*
+ * if there are more addresses to try, do that first
+ */
+ ERR_pop_to_mark();
+ break;
+ }
+ ERR_clear_last_mark();
+ ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
+ "calling socket(%s, %s)",
+ c->param_addr, c->param_serv);
+ ERR_raise(ERR_LIB_BIO, BIO_R_UNABLE_TO_CREATE_SOCKET);
goto exit_loop;
}
- c->accept_sock = ret;
- b->num = ret;
+ c->accept_sock = s;
+ b->num = s;
c->state = ACPT_S_LISTEN;
+ s = -1;
break;
case ACPT_S_LISTEN:
BIO_clear_retry_flags(b);
b->retry_reason = 0;
+ OPENSSL_free(c->cache_peer_name);
+ c->cache_peer_name = NULL;
+ OPENSSL_free(c->cache_peer_serv);
+ c->cache_peer_serv = NULL;
+
s = BIO_accept_ex(c->accept_sock, &c->cache_peer_addr,
c->accepted_mode);
if (bio == NULL)
goto exit_loop;
+ BIO_set_callback_ex(bio, BIO_get_callback_ex(b));
+#ifndef OPENSSL_NO_DEPRECATED_3_0
BIO_set_callback(bio, BIO_get_callback(b));
+#endif
BIO_set_callback_arg(bio, BIO_get_callback_arg(b));
-
/*
* If the accept BIO has an bio_chain, we dup it and put the new
* socket at the end.
while (b->next_bio == NULL) {
ret = acpt_state(b, data);
if (ret <= 0)
- return (ret);
+ return ret;
}
ret = BIO_read(b->next_bio, out, outl);
BIO_copy_next_retry(b);
- return (ret);
+ return ret;
}
static int acpt_write(BIO *b, const char *in, int inl)
while (b->next_bio == NULL) {
ret = acpt_state(b, data);
if (ret <= 0)
- return (ret);
+ return ret;
}
ret = BIO_write(b->next_bio, in, inl);
BIO_copy_next_retry(b);
- return (ret);
+ return ret;
}
static long acpt_ctrl(BIO *b, int cmd, long num, void *ptr)
b->init = 1;
} else if (num == 1) {
OPENSSL_free(data->param_serv);
- data->param_serv = BUF_strdup(ptr);
- b->init = 1;
+ if ((data->param_serv = OPENSSL_strdup(ptr)) == NULL)
+ ret = 0;
+ else
+ b->init = 1;
} else if (num == 2) {
data->bind_mode |= BIO_SOCK_NONBLOCK;
} else if (num == 3) {
data->accepted_mode &= ~BIO_SOCK_NONBLOCK;
break;
case BIO_C_SET_FD:
- b->init = 1;
b->num = *((int *)ptr);
data->accept_sock = b->num;
data->state = ACPT_S_ACCEPT;
ret = (long)data->bind_mode;
break;
case BIO_CTRL_DUP:
-/*- dbio=(BIO *)ptr;
- if (data->param_port) EAY EAY
- BIO_set_port(dbio,data->param_port);
- if (data->param_hostname)
- BIO_set_hostname(dbio,data->param_hostname);
- BIO_set_nbio(dbio,data->nbio); */
break;
-
+ case BIO_CTRL_EOF:
+ if (b->next_bio == NULL)
+ ret = 0;
+ else
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ break;
default:
ret = 0;
break;
}
- return (ret);
+ return ret;
}
static int acpt_puts(BIO *bp, const char *str)
n = strlen(str);
ret = acpt_write(bp, str, n);
- return (ret);
+ return ret;
}
BIO *BIO_new_accept(const char *str)
ret = BIO_new(BIO_s_accept());
if (ret == NULL)
- return (NULL);
- if (BIO_set_accept_port(ret, str))
- return (ret);
+ return NULL;
+ if (BIO_set_accept_name(ret, str))
+ return ret;
BIO_free(ret);
- return (NULL);
+ return NULL;
}
#endif