diff options
Diffstat (limited to 'ffmpeg/libavformat/network.c')
| -rw-r--r-- | ffmpeg/libavformat/network.c | 387 |
1 files changed, 0 insertions, 387 deletions
diff --git a/ffmpeg/libavformat/network.c b/ffmpeg/libavformat/network.c deleted file mode 100644 index 5e2bcf8..0000000 --- a/ffmpeg/libavformat/network.c +++ /dev/null @@ -1,387 +0,0 @@ -/* - * Copyright (c) 2007 The FFmpeg Project - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <fcntl.h> -#include "network.h" -#include "url.h" -#include "libavcodec/internal.h" -#include "libavutil/avutil.h" -#include "libavutil/mem.h" -#include "libavutil/time.h" - -#if HAVE_THREADS -#if HAVE_PTHREADS -#include <pthread.h> -#elif HAVE_OS2THREADS -#include "compat/os2threads.h" -#else -#include "compat/w32pthreads.h" -#endif -#endif - -#if CONFIG_OPENSSL -#include <openssl/ssl.h> -static int openssl_init; -#if HAVE_THREADS -#include <openssl/crypto.h> -pthread_mutex_t *openssl_mutexes; -static void openssl_lock(int mode, int type, const char *file, int line) -{ - if (mode & CRYPTO_LOCK) - pthread_mutex_lock(&openssl_mutexes[type]); - else - pthread_mutex_unlock(&openssl_mutexes[type]); -} -#if !defined(WIN32) && OPENSSL_VERSION_NUMBER < 0x10000000 -static unsigned long openssl_thread_id(void) -{ - return (intptr_t) pthread_self(); -} -#endif -#endif -#endif -#if CONFIG_GNUTLS -#include <gnutls/gnutls.h> -#if HAVE_THREADS && GNUTLS_VERSION_NUMBER <= 0x020b00 -#include <gcrypt.h> -#include <errno.h> -GCRY_THREAD_OPTION_PTHREAD_IMPL; -#endif -#endif - -void ff_tls_init(void) -{ - avpriv_lock_avformat(); -#if CONFIG_OPENSSL - if (!openssl_init) { - SSL_library_init(); - SSL_load_error_strings(); -#if HAVE_THREADS - if (!CRYPTO_get_locking_callback()) { - int i; - openssl_mutexes = av_malloc(sizeof(pthread_mutex_t) * CRYPTO_num_locks()); - for (i = 0; i < CRYPTO_num_locks(); i++) - pthread_mutex_init(&openssl_mutexes[i], NULL); - CRYPTO_set_locking_callback(openssl_lock); -#if !defined(WIN32) && OPENSSL_VERSION_NUMBER < 0x10000000 - CRYPTO_set_id_callback(openssl_thread_id); -#endif - } -#endif - } - openssl_init++; -#endif -#if CONFIG_GNUTLS -#if HAVE_THREADS && GNUTLS_VERSION_NUMBER < 0x020b00 - if (gcry_control(GCRYCTL_ANY_INITIALIZATION_P) == 0) - gcry_control(GCRYCTL_SET_THREAD_CBS, &gcry_threads_pthread); -#endif - gnutls_global_init(); -#endif - avpriv_unlock_avformat(); -} - -void ff_tls_deinit(void) -{ - avpriv_lock_avformat(); -#if CONFIG_OPENSSL - openssl_init--; - if (!openssl_init) { -#if HAVE_THREADS - if (CRYPTO_get_locking_callback() == openssl_lock) { - int i; - CRYPTO_set_locking_callback(NULL); - for (i = 0; i < CRYPTO_num_locks(); i++) - pthread_mutex_destroy(&openssl_mutexes[i]); - av_free(openssl_mutexes); - } -#endif - } -#endif -#if CONFIG_GNUTLS - gnutls_global_deinit(); -#endif - avpriv_unlock_avformat(); -} - -int ff_network_inited_globally; - -int ff_network_init(void) -{ -#if HAVE_WINSOCK2_H - WSADATA wsaData; -#endif - - if (!ff_network_inited_globally) - av_log(NULL, AV_LOG_WARNING, "Using network protocols without global " - "network initialization. Please use " - "avformat_network_init(), this will " - "become mandatory later.\n"); -#if HAVE_WINSOCK2_H - if (WSAStartup(MAKEWORD(1,1), &wsaData)) - return 0; -#endif - return 1; -} - -int ff_network_wait_fd(int fd, int write) -{ - int ev = write ? POLLOUT : POLLIN; - struct pollfd p = { .fd = fd, .events = ev, .revents = 0 }; - int ret; - ret = poll(&p, 1, 100); - return ret < 0 ? ff_neterrno() : p.revents & (ev | POLLERR | POLLHUP) ? 0 : AVERROR(EAGAIN); -} - -int ff_network_wait_fd_timeout(int fd, int write, int64_t timeout, AVIOInterruptCB *int_cb) -{ - int ret; - int64_t wait_start = 0; - - while (1) { - if (ff_check_interrupt(int_cb)) - return AVERROR_EXIT; - ret = ff_network_wait_fd(fd, write); - if (ret != AVERROR(EAGAIN)) - return ret; - if (timeout > 0) { - if (!wait_start) - wait_start = av_gettime(); - else if (av_gettime() - wait_start > timeout) - return AVERROR(ETIMEDOUT); - } - } -} - -void ff_network_close(void) -{ -#if HAVE_WINSOCK2_H - WSACleanup(); -#endif -} - -#if HAVE_WINSOCK2_H -int ff_neterrno(void) -{ - int err = WSAGetLastError(); - switch (err) { - case WSAEWOULDBLOCK: - return AVERROR(EAGAIN); - case WSAEINTR: - return AVERROR(EINTR); - case WSAEPROTONOSUPPORT: - return AVERROR(EPROTONOSUPPORT); - case WSAETIMEDOUT: - return AVERROR(ETIMEDOUT); - case WSAECONNREFUSED: - return AVERROR(ECONNREFUSED); - case WSAEINPROGRESS: - return AVERROR(EINPROGRESS); - } - return -err; -} -#endif - -int ff_is_multicast_address(struct sockaddr *addr) -{ - if (addr->sa_family == AF_INET) { - return IN_MULTICAST(ntohl(((struct sockaddr_in *)addr)->sin_addr.s_addr)); - } -#if HAVE_STRUCT_SOCKADDR_IN6 - if (addr->sa_family == AF_INET6) { - return IN6_IS_ADDR_MULTICAST(&((struct sockaddr_in6 *)addr)->sin6_addr); - } -#endif - - return 0; -} - -static int ff_poll_interrupt(struct pollfd *p, nfds_t nfds, int timeout, - AVIOInterruptCB *cb) -{ - int runs = timeout / POLLING_TIME; - int ret = 0; - - do { - if (ff_check_interrupt(cb)) - return AVERROR_EXIT; - ret = poll(p, nfds, POLLING_TIME); - if (ret != 0) - break; - } while (timeout <= 0 || runs-- > 0); - - if (!ret) - return AVERROR(ETIMEDOUT); - if (ret < 0) - return AVERROR(errno); - return ret; -} - -int ff_socket(int af, int type, int proto) -{ - int fd; - -#ifdef SOCK_CLOEXEC - fd = socket(af, type | SOCK_CLOEXEC, proto); - if (fd == -1 && errno == EINVAL) -#endif - { - fd = socket(af, type, proto); -#if HAVE_FCNTL - if (fd != -1) { - if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) - av_log(NULL, AV_LOG_DEBUG, "Failed to set close on exec\n"); - } -#endif - } - return fd; -} - -int ff_listen_bind(int fd, const struct sockaddr *addr, - socklen_t addrlen, int timeout, URLContext *h) -{ - int ret; - int reuse = 1; - struct pollfd lp = { fd, POLLIN, 0 }; - if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse))) { - av_log(NULL, AV_LOG_WARNING, "setsockopt(SO_REUSEADDR) failed\n"); - } - ret = bind(fd, addr, addrlen); - if (ret) - return ff_neterrno(); - - ret = listen(fd, 1); - if (ret) - return ff_neterrno(); - - ret = ff_poll_interrupt(&lp, 1, timeout, &h->interrupt_callback); - if (ret < 0) - return ret; - - ret = accept(fd, NULL, NULL); - if (ret < 0) - return ff_neterrno(); - - closesocket(fd); - - if (ff_socket_nonblock(ret, 1) < 0) - av_log(NULL, AV_LOG_DEBUG, "ff_socket_nonblock failed\n"); - - return ret; -} - -int ff_listen_connect(int fd, const struct sockaddr *addr, - socklen_t addrlen, int timeout, URLContext *h, - int will_try_next) -{ - struct pollfd p = {fd, POLLOUT, 0}; - int ret; - socklen_t optlen; - - if (ff_socket_nonblock(fd, 1) < 0) - av_log(NULL, AV_LOG_DEBUG, "ff_socket_nonblock failed\n"); - - while ((ret = connect(fd, addr, addrlen))) { - ret = ff_neterrno(); - switch (ret) { - case AVERROR(EINTR): - if (ff_check_interrupt(&h->interrupt_callback)) - return AVERROR_EXIT; - continue; - case AVERROR(EINPROGRESS): - case AVERROR(EAGAIN): - ret = ff_poll_interrupt(&p, 1, timeout, &h->interrupt_callback); - if (ret < 0) - return ret; - optlen = sizeof(ret); - if (getsockopt (fd, SOL_SOCKET, SO_ERROR, &ret, &optlen)) - ret = AVUNERROR(ff_neterrno()); - if (ret != 0) { - char errbuf[100]; - ret = AVERROR(ret); - av_strerror(ret, errbuf, sizeof(errbuf)); - if (will_try_next) - av_log(h, AV_LOG_WARNING, - "Connection to %s failed (%s), trying next address\n", - h->filename, errbuf); - else - av_log(h, AV_LOG_ERROR, "Connection to %s failed: %s\n", - h->filename, errbuf); - } - default: - return ret; - } - } - return ret; -} - -static int match_host_pattern(const char *pattern, const char *hostname) -{ - int len_p, len_h; - if (!strcmp(pattern, "*")) - return 1; - // Skip a possible *. at the start of the pattern - if (pattern[0] == '*') - pattern++; - if (pattern[0] == '.') - pattern++; - len_p = strlen(pattern); - len_h = strlen(hostname); - if (len_p > len_h) - return 0; - // Simply check if the end of hostname is equal to 'pattern' - if (!strcmp(pattern, &hostname[len_h - len_p])) { - if (len_h == len_p) - return 1; // Exact match - if (hostname[len_h - len_p - 1] == '.') - return 1; // The matched substring is a domain and not just a substring of a domain - } - return 0; -} - -int ff_http_match_no_proxy(const char *no_proxy, const char *hostname) -{ - char *buf, *start; - int ret = 0; - if (!no_proxy) - return 0; - if (!hostname) - return 0; - buf = av_strdup(no_proxy); - if (!buf) - return 0; - start = buf; - while (start) { - char *sep, *next = NULL; - start += strspn(start, " ,"); - sep = start + strcspn(start, " ,"); - if (*sep) { - next = sep + 1; - *sep = '\0'; - } - if (match_host_pattern(start, hostname)) { - ret = 1; - break; - } - start = next; - } - av_free(buf); - return ret; -} |