- /* Copyright (c) 2014, Google Inc.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
-
- #define _POSIX_SOURCE
-
- #include <openssl/bio.h>
- #include <openssl/err.h>
-
- #include <fcntl.h>
- #include <string.h>
- #include <sys/types.h>
-
- #if !defined(OPENSSL_WINDOWS)
- #include <netdb.h>
- #include <unistd.h>
- #else
- #pragma warning(push, 3)
- #include <WinSock2.h>
- #include <WS2tcpip.h>
- #pragma warning(pop)
- #endif
-
- #include "internal.h"
-
-
- int bio_ip_and_port_to_socket_and_addr(int *out_sock,
- struct sockaddr_storage *out_addr,
- socklen_t *out_addr_length,
- const char *hostname,
- const char *port_str) {
- struct addrinfo hint, *result, *cur;
- int ret;
-
- *out_sock = -1;
-
- memset(&hint, 0, sizeof(hint));
- hint.ai_family = AF_UNSPEC;
- hint.ai_socktype = SOCK_STREAM;
-
- ret = getaddrinfo(hostname, port_str, &hint, &result);
- if (ret != 0) {
- OPENSSL_PUT_ERROR(SYS, getaddrinfo, 0);
- ERR_add_error_data(2, gai_strerror(ret));
- return 0;
- }
-
- ret = 0;
-
- for (cur = result; cur; cur = cur->ai_next) {
- if (cur->ai_addrlen > sizeof(struct sockaddr_storage)) {
- continue;
- }
- memset(out_addr, 0, sizeof(struct sockaddr_storage));
- memcpy(out_addr, cur->ai_addr, cur->ai_addrlen);
- *out_addr_length = cur->ai_addrlen;
-
- *out_sock = socket(cur->ai_family, cur->ai_socktype, cur->ai_protocol);
- if (*out_sock < 0) {
- OPENSSL_PUT_SYSTEM_ERROR(socket);
- goto out;
- }
-
- ret = 1;
- break;
- }
-
- out:
- freeaddrinfo(result);
- return ret;
- }
-
- int bio_socket_nbio(int sock, int on) {
- #if defined(OPENSSL_WINDOWS)
- u_long arg = on;
-
- return 0 == ioctlsocket(sock, FIONBIO, &arg);
- #else
- int flags = fcntl(sock, F_GETFL, 0);
- if (flags < 0) {
- return 0;
- }
- if (!on) {
- flags &= ~O_NONBLOCK;
- } else {
- flags |= O_NONBLOCK;
- }
- return fcntl(sock, F_SETFL, flags) == 0;
- #endif
- }
-
- void bio_clear_socket_error(void) {}
-
- int bio_sock_error(int sock) {
- int error;
- socklen_t error_size = sizeof(error);
-
- if (getsockopt(sock, SOL_SOCKET, SO_ERROR, (char *)&error, &error_size) < 0) {
- return 1;
- }
- return error;
- }
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