119 lines
3.0 KiB
C
119 lines
3.0 KiB
C
/* Copyright (c) 2014, Google Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
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#undef _POSIX_C_SOURCE
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#define _POSIX_C_SOURCE 200112L
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#include <openssl/bio.h>
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#include <openssl/err.h>
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#if !defined(OPENSSL_TRUSTY)
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#include <fcntl.h>
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#include <string.h>
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#include <sys/types.h>
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#if !defined(OPENSSL_WINDOWS)
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#include <netdb.h>
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#include <unistd.h>
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#else
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OPENSSL_MSVC_PRAGMA(warning(push, 3))
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#include <winsock2.h>
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#include <ws2tcpip.h>
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OPENSSL_MSVC_PRAGMA(warning(pop))
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#endif
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#include "internal.h"
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#include "../internal.h"
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int bio_ip_and_port_to_socket_and_addr(int *out_sock,
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struct sockaddr_storage *out_addr,
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socklen_t *out_addr_length,
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const char *hostname,
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const char *port_str) {
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struct addrinfo hint, *result, *cur;
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int ret;
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*out_sock = -1;
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OPENSSL_memset(&hint, 0, sizeof(hint));
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hint.ai_family = AF_UNSPEC;
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hint.ai_socktype = SOCK_STREAM;
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ret = getaddrinfo(hostname, port_str, &hint, &result);
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if (ret != 0) {
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OPENSSL_PUT_ERROR(SYS, 0);
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ERR_add_error_data(1, gai_strerror(ret));
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return 0;
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}
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ret = 0;
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for (cur = result; cur; cur = cur->ai_next) {
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if ((size_t) cur->ai_addrlen > sizeof(struct sockaddr_storage)) {
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continue;
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}
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OPENSSL_memset(out_addr, 0, sizeof(struct sockaddr_storage));
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OPENSSL_memcpy(out_addr, cur->ai_addr, cur->ai_addrlen);
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*out_addr_length = cur->ai_addrlen;
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*out_sock = socket(cur->ai_family, cur->ai_socktype, cur->ai_protocol);
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if (*out_sock < 0) {
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OPENSSL_PUT_SYSTEM_ERROR();
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goto out;
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}
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ret = 1;
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break;
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}
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out:
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freeaddrinfo(result);
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return ret;
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}
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int bio_socket_nbio(int sock, int on) {
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#if defined(OPENSSL_WINDOWS)
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u_long arg = on;
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return 0 == ioctlsocket(sock, FIONBIO, &arg);
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#else
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int flags = fcntl(sock, F_GETFL, 0);
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if (flags < 0) {
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return 0;
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}
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if (!on) {
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flags &= ~O_NONBLOCK;
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} else {
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flags |= O_NONBLOCK;
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}
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return fcntl(sock, F_SETFL, flags) == 0;
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#endif
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}
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void bio_clear_socket_error(void) {}
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int bio_sock_error(int sock) {
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int error;
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socklen_t error_size = sizeof(error);
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if (getsockopt(sock, SOL_SOCKET, SO_ERROR, (char *)&error, &error_size) < 0) {
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return 1;
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}
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return error;
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}
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#endif // OPENSSL_TRUSTY
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