diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/bio/b_sock2.c')
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/bio/b_sock2.c | 270 |
1 files changed, 0 insertions, 270 deletions
diff --git a/Cryptlib/OpenSSL/crypto/bio/b_sock2.c b/Cryptlib/OpenSSL/crypto/bio/b_sock2.c deleted file mode 100644 index 7f4d89e5..00000000 --- a/Cryptlib/OpenSSL/crypto/bio/b_sock2.c +++ /dev/null @@ -1,270 +0,0 @@ -/* - * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. - * - * 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 - */ - -#include <stdio.h> -#include <stdlib.h> -#include <errno.h> - -#include "bio_lcl.h" - -#include <openssl/err.h> - -#ifndef OPENSSL_NO_SOCK -# ifdef SO_MAXCONN -# define MAX_LISTEN SO_MAXCONN -# elif defined(SOMAXCONN) -# define MAX_LISTEN SOMAXCONN -# else -# define MAX_LISTEN 32 -# endif - -/*- - * BIO_socket - create a socket - * @domain: the socket domain (AF_INET, AF_INET6, AF_UNIX, ...) - * @socktype: the socket type (SOCK_STEAM, SOCK_DGRAM) - * @protocol: the protocol to use (IPPROTO_TCP, IPPROTO_UDP) - * @options: BIO socket options (currently unused) - * - * Creates a socket. This should be called before calling any - * of BIO_connect and BIO_listen. - * - * Returns the file descriptor on success or INVALID_SOCKET on failure. On - * failure errno is set, and a status is added to the OpenSSL error stack. - */ -int BIO_socket(int domain, int socktype, int protocol, int options) -{ - int sock = -1; - - if (BIO_sock_init() != 1) - return INVALID_SOCKET; - - sock = socket(domain, socktype, protocol); - if (sock == -1) { - SYSerr(SYS_F_SOCKET, get_last_socket_error()); - BIOerr(BIO_F_BIO_SOCKET, BIO_R_UNABLE_TO_CREATE_SOCKET); - return INVALID_SOCKET; - } - - return sock; -} - -/*- - * BIO_connect - connect to an address - * @sock: the socket to connect with - * @addr: the address to connect to - * @options: BIO socket options - * - * Connects to the address using the given socket and options. - * - * Options can be a combination of the following: - * - BIO_SOCK_KEEPALIVE: enable regularly sending keep-alive messages. - * - BIO_SOCK_NONBLOCK: Make the socket non-blocking. - * - BIO_SOCK_NODELAY: don't delay small messages. - * - * options holds BIO socket options that can be used - * You should call this for every address returned by BIO_lookup - * until the connection is successful. - * - * Returns 1 on success or 0 on failure. On failure errno is set - * and an error status is added to the OpenSSL error stack. - */ -int BIO_connect(int sock, const BIO_ADDR *addr, int options) -{ - int on = 1; - - if (sock == -1) { - BIOerr(BIO_F_BIO_CONNECT, BIO_R_INVALID_SOCKET); - return 0; - } - - if (!BIO_socket_nbio(sock, (options & BIO_SOCK_NONBLOCK) != 0)) - return 0; - - if (options & BIO_SOCK_KEEPALIVE) { - if (setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE, &on, sizeof(on)) != 0) { - SYSerr(SYS_F_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, &on, sizeof(on)) != 0) { - SYSerr(SYS_F_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()); - BIOerr(BIO_F_BIO_CONNECT, BIO_R_CONNECT_ERROR); - } - return 0; - } - return 1; -} - -/*- - * BIO_listen - Creates a listen socket - * @sock: the socket to listen with - * @addr: local address to bind to - * @options: BIO socket options - * - * Binds to the address using the given socket and options, then - * starts listening for incoming connections. - * - * Options can be a combination of the following: - * - BIO_SOCK_KEEPALIVE: enable regularly sending keep-alive messages. - * - BIO_SOCK_NONBLOCK: Make the socket non-blocking. - * - BIO_SOCK_NODELAY: don't delay small messages. - * - BIO_SOCK_REUSEADDR: Try to reuse the address and port combination - * for a recently closed port. - * - BIO_SOCK_V6_ONLY: When creating an IPv6 socket, make it listen only - * for IPv6 addresses and not IPv4 addresses mapped to IPv6. - * - * It's recommended that you set up both an IPv6 and IPv4 listen socket, and - * then check both for new clients that connect to it. You want to set up - * the socket as non-blocking in that case since else it could hang. - * - * Not all operating systems support IPv4 addresses on an IPv6 socket, and for - * others it's an option. If you pass the BIO_LISTEN_V6_ONLY it will try to - * create the IPv6 sockets to only listen for IPv6 connection. - * - * It could be that the first BIO_listen() call will listen to all the IPv6 - * and IPv4 addresses and that then trying to bind to the IPv4 address will - * fail. We can't tell the difference between already listening ourself to - * it and someone else listening to it when failing and errno is EADDRINUSE, so - * it's recommended to not give an error in that case if the first call was - * successful. - * - * 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_listen(int sock, const BIO_ADDR *addr, int options) -{ - int on = 1; - int socktype; - socklen_t socktype_len = sizeof(socktype); - - if (sock == -1) { - BIOerr(BIO_F_BIO_LISTEN, BIO_R_INVALID_SOCKET); - return 0; - } - - if (getsockopt(sock, SOL_SOCKET, SO_TYPE, &socktype, &socktype_len) != 0 - || socktype_len != sizeof(socktype)) { - SYSerr(SYS_F_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, &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, &on, sizeof(on)) != 0) { - SYSerr(SYS_F_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, &on, sizeof(on)) != 0) { - SYSerr(SYS_F_SETSOCKOPT, get_last_socket_error()); - BIOerr(BIO_F_BIO_LISTEN, BIO_R_UNABLE_TO_NODELAY); - return 0; - } - } - -# ifdef IPV6_V6ONLY - if ((options & BIO_SOCK_V6_ONLY) && BIO_ADDR_family(addr) == AF_INET6) { - if (setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof(on)) != 0) { - SYSerr(SYS_F_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); - return 0; - } - - if (socktype != SOCK_DGRAM && listen(sock, MAX_LISTEN) == -1) { - SYSerr(SYS_F_LISTEN, get_last_socket_error()); - BIOerr(BIO_F_BIO_LISTEN, BIO_R_UNABLE_TO_LISTEN_SOCKET); - return 0; - } - - return 1; -} - -/*- - * BIO_accept_ex - Accept new incoming connections - * @sock: the listening socket - * @addr: the BIO_ADDR to store the peer address in - * @options: BIO socket options, applied on the accepted socket. - * - */ -int BIO_accept_ex(int accept_sock, BIO_ADDR *addr_, int options) -{ - socklen_t len; - int accepted_sock; - BIO_ADDR locaddr; - BIO_ADDR *addr = addr_ == NULL ? &locaddr : addr_; - - len = sizeof(*addr); - accepted_sock = accept(accept_sock, - 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()); - BIOerr(BIO_F_BIO_ACCEPT_EX, BIO_R_ACCEPT_ERROR); - } - return INVALID_SOCKET; - } - - if (!BIO_socket_nbio(accepted_sock, (options & BIO_SOCK_NONBLOCK) != 0)) { - closesocket(accepted_sock); - return INVALID_SOCKET; - } - - return accepted_sock; -} - -/*- - * BIO_closesocket - Close a socket - * @sock: the socket to close - */ -int BIO_closesocket(int sock) -{ - if (closesocket(sock) < 0) - return 0; - return 1; -} -#endif |