/*
- * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * 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
sock = socket(domain, socktype, protocol);
if (sock == -1) {
- SYSerr(SYS_F_SOCKET, get_last_socket_error());
+ FUNCerr("socket", get_last_socket_error());
BIOerr(BIO_F_BIO_SOCKET, BIO_R_UNABLE_TO_CREATE_SOCKET);
return INVALID_SOCKET;
}
if (options & BIO_SOCK_KEEPALIVE) {
if (setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE,
(const void *)&on, sizeof(on)) != 0) {
- SYSerr(SYS_F_SETSOCKOPT, get_last_socket_error());
+ FUNCerr("setsockopt", get_last_socket_error());
BIOerr(BIO_F_BIO_CONNECT, BIO_R_UNABLE_TO_KEEPALIVE);
return 0;
}
if (options & BIO_SOCK_NODELAY) {
if (setsockopt(sock, IPPROTO_TCP, TCP_NODELAY,
(const void *)&on, sizeof(on)) != 0) {
- SYSerr(SYS_F_SETSOCKOPT, get_last_socket_error());
+ FUNCerr("setsockopt", get_last_socket_error());
BIOerr(BIO_F_BIO_CONNECT, BIO_R_UNABLE_TO_NODELAY);
return 0;
}
if (connect(sock, BIO_ADDR_sockaddr(addr),
BIO_ADDR_sockaddr_size(addr)) == -1) {
if (!BIO_sock_should_retry(-1)) {
- SYSerr(SYS_F_CONNECT, get_last_socket_error());
+ FUNCerr("connect", get_last_socket_error());
BIOerr(BIO_F_BIO_CONNECT, BIO_R_CONNECT_ERROR);
}
return 0;
return 1;
}
+/*-
+ * BIO_bind - bind socket to address
+ * @sock: the socket to set
+ * @addr: local address to bind to
+ * @options: BIO socket options
+ *
+ * Binds to the address using the given socket and options.
+ *
+ * Options can be a combination of the following:
+ * - BIO_SOCK_REUSEADDR: Try to reuse the address and port combination
+ * for a recently closed port.
+ *
+ * When restarting the program it could be that the port is still in use. If
+ * you set to BIO_SOCK_REUSEADDR option it will try to reuse the port anyway.
+ * It's recommended that you use this.
+ */
+int BIO_bind(int sock, const BIO_ADDR *addr, int options)
+{
+# ifndef OPENSSL_SYS_WINDOWS
+ int on = 1;
+# endif
+
+ if (sock == -1) {
+ BIOerr(BIO_F_BIO_BIND, BIO_R_INVALID_SOCKET);
+ return 0;
+ }
+
+# ifndef OPENSSL_SYS_WINDOWS
+ /*
+ * SO_REUSEADDR has different behavior on Windows than on
+ * other operating systems, don't set it there.
+ */
+ if (options & BIO_SOCK_REUSEADDR) {
+ if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
+ (const void *)&on, sizeof(on)) != 0) {
+ FUNCerr("setsockopt", get_last_socket_error());
+ BIOerr(BIO_F_BIO_BIND, BIO_R_UNABLE_TO_REUSEADDR);
+ return 0;
+ }
+ }
+# endif
+
+ if (bind(sock, BIO_ADDR_sockaddr(addr), BIO_ADDR_sockaddr_size(addr)) != 0) {
+ FUNCerr("bind", get_last_socket_error());
+ BIOerr(BIO_F_BIO_BIND, BIO_R_UNABLE_TO_BIND_SOCKET);
+ return 0;
+ }
+
+ return 1;
+}
+
/*-
* BIO_listen - Creates a listen socket
* @sock: the socket to listen with
if (getsockopt(sock, SOL_SOCKET, SO_TYPE,
(void *)&socktype, &socktype_len) != 0
|| socktype_len != sizeof(socktype)) {
- SYSerr(SYS_F_GETSOCKOPT, get_last_socket_error());
+ FUNCerr("getsockopt", get_last_socket_error());
BIOerr(BIO_F_BIO_LISTEN, BIO_R_GETTING_SOCKTYPE);
return 0;
}
if (!BIO_socket_nbio(sock, (options & BIO_SOCK_NONBLOCK) != 0))
return 0;
-# ifndef OPENSSL_SYS_WINDOWS
- /*
- * SO_REUSEADDR has different behavior on Windows than on
- * other operating systems, don't set it there.
- */
- if (options & BIO_SOCK_REUSEADDR) {
- if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
- (const void *)&on, sizeof(on)) != 0) {
- SYSerr(SYS_F_SETSOCKOPT, get_last_socket_error());
- BIOerr(BIO_F_BIO_LISTEN, BIO_R_UNABLE_TO_REUSEADDR);
- return 0;
- }
- }
-# endif
-
if (options & BIO_SOCK_KEEPALIVE) {
if (setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE,
(const void *)&on, sizeof(on)) != 0) {
- SYSerr(SYS_F_SETSOCKOPT, get_last_socket_error());
+ FUNCerr("setsockopt", get_last_socket_error());
BIOerr(BIO_F_BIO_LISTEN, BIO_R_UNABLE_TO_KEEPALIVE);
return 0;
}
if (options & BIO_SOCK_NODELAY) {
if (setsockopt(sock, IPPROTO_TCP, TCP_NODELAY,
(const void *)&on, sizeof(on)) != 0) {
- SYSerr(SYS_F_SETSOCKOPT, get_last_socket_error());
+ FUNCerr("setsockopt", get_last_socket_error());
BIOerr(BIO_F_BIO_LISTEN, BIO_R_UNABLE_TO_NODELAY);
return 0;
}
on = options & BIO_SOCK_V6_ONLY ? 1 : 0;
if (setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY,
(const void *)&on, sizeof(on)) != 0) {
- SYSerr(SYS_F_SETSOCKOPT, get_last_socket_error());
+ FUNCerr("setsockopt", get_last_socket_error());
BIOerr(BIO_F_BIO_LISTEN, BIO_R_LISTEN_V6_ONLY);
return 0;
}
}
# endif
- if (bind(sock, BIO_ADDR_sockaddr(addr), BIO_ADDR_sockaddr_size(addr)) != 0) {
- SYSerr(SYS_F_BIND, get_last_socket_error());
- BIOerr(BIO_F_BIO_LISTEN, BIO_R_UNABLE_TO_BIND_SOCKET);
+ if (!BIO_bind(sock, addr, options))
return 0;
- }
if (socktype != SOCK_DGRAM && listen(sock, MAX_LISTEN) == -1) {
- SYSerr(SYS_F_LISTEN, get_last_socket_error());
+ FUNCerr("listen", get_last_socket_error());
BIOerr(BIO_F_BIO_LISTEN, BIO_R_UNABLE_TO_LISTEN_SOCKET);
return 0;
}
BIO_ADDR_sockaddr_noconst(addr), &len);
if (accepted_sock == -1) {
if (!BIO_sock_should_retry(accepted_sock)) {
- SYSerr(SYS_F_ACCEPT, get_last_socket_error());
+ FUNCerr("accept", get_last_socket_error());
BIOerr(BIO_F_BIO_ACCEPT_EX, BIO_R_ACCEPT_ERROR);
}
return INVALID_SOCKET;
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