#include "network.h"
#include "os_support.h"
#include "url.h"
+#include "ip.h"
#ifdef __APPLE__
#include "TargetConditionals.h"
struct sockaddr_storage local_addr_storage;
char *sources;
char *block;
+ IPSourceFilters filters;
} UDPContext;
#define OFFSET(x) offsetof(UDPContext, x)
.version = LIBAVUTIL_VERSION_INT,
};
-static void log_net_error(void *ctx, int level, const char* prefix)
-{
- char errbuf[100];
- av_strerror(ff_neterrno(), errbuf, sizeof(errbuf));
- av_log(ctx, level, "%s: %s\n", prefix, errbuf);
-}
-
static int udp_set_multicast_ttl(int sockfd, int mcastTTL,
struct sockaddr *addr)
{
#ifdef IP_MULTICAST_TTL
if (addr->sa_family == AF_INET) {
if (setsockopt(sockfd, IPPROTO_IP, IP_MULTICAST_TTL, &mcastTTL, sizeof(mcastTTL)) < 0) {
- log_net_error(NULL, AV_LOG_ERROR, "setsockopt(IP_MULTICAST_TTL)");
+ ff_log_net_error(NULL, AV_LOG_ERROR, "setsockopt(IP_MULTICAST_TTL)");
return -1;
}
}
#if defined(IPPROTO_IPV6) && defined(IPV6_MULTICAST_HOPS)
if (addr->sa_family == AF_INET6) {
if (setsockopt(sockfd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, &mcastTTL, sizeof(mcastTTL)) < 0) {
- log_net_error(NULL, AV_LOG_ERROR, "setsockopt(IPV6_MULTICAST_HOPS)");
+ ff_log_net_error(NULL, AV_LOG_ERROR, "setsockopt(IPV6_MULTICAST_HOPS)");
return -1;
}
}
else
mreq.imr_interface.s_addr= INADDR_ANY;
if (setsockopt(sockfd, IPPROTO_IP, IP_ADD_MEMBERSHIP, (const void *)&mreq, sizeof(mreq)) < 0) {
- log_net_error(NULL, AV_LOG_ERROR, "setsockopt(IP_ADD_MEMBERSHIP)");
+ ff_log_net_error(NULL, AV_LOG_ERROR, "setsockopt(IP_ADD_MEMBERSHIP)");
return -1;
}
}
struct ipv6_mreq mreq6;
memcpy(&mreq6.ipv6mr_multiaddr, &(((struct sockaddr_in6 *)addr)->sin6_addr), sizeof(struct in6_addr));
+ //TODO: Interface index should be looked up from local_addr
mreq6.ipv6mr_interface= 0;
if (setsockopt(sockfd, IPPROTO_IPV6, IPV6_ADD_MEMBERSHIP, &mreq6, sizeof(mreq6)) < 0) {
- log_net_error(NULL, AV_LOG_ERROR, "setsockopt(IPV6_ADD_MEMBERSHIP)");
+ ff_log_net_error(NULL, AV_LOG_ERROR, "setsockopt(IPV6_ADD_MEMBERSHIP)");
return -1;
}
}
else
mreq.imr_interface.s_addr= INADDR_ANY;
if (setsockopt(sockfd, IPPROTO_IP, IP_DROP_MEMBERSHIP, (const void *)&mreq, sizeof(mreq)) < 0) {
- log_net_error(NULL, AV_LOG_ERROR, "setsockopt(IP_DROP_MEMBERSHIP)");
+ ff_log_net_error(NULL, AV_LOG_ERROR, "setsockopt(IP_DROP_MEMBERSHIP)");
return -1;
}
}
struct ipv6_mreq mreq6;
memcpy(&mreq6.ipv6mr_multiaddr, &(((struct sockaddr_in6 *)addr)->sin6_addr), sizeof(struct in6_addr));
+ //TODO: Interface index should be looked up from local_addr
mreq6.ipv6mr_interface= 0;
if (setsockopt(sockfd, IPPROTO_IPV6, IPV6_DROP_MEMBERSHIP, &mreq6, sizeof(mreq6)) < 0) {
- log_net_error(NULL, AV_LOG_ERROR, "setsockopt(IPV6_DROP_MEMBERSHIP)");
+ ff_log_net_error(NULL, AV_LOG_ERROR, "setsockopt(IPV6_DROP_MEMBERSHIP)");
return -1;
}
}
return 0;
}
-static struct addrinfo *udp_resolve_host(URLContext *h,
- const char *hostname, int port,
- int type, int family, int flags)
-{
- struct addrinfo hints = { 0 }, *res = 0;
- int error;
- char sport[16];
- const char *node = 0, *service = "0";
-
- if (port > 0) {
- snprintf(sport, sizeof(sport), "%d", port);
- service = sport;
- }
- if ((hostname) && (hostname[0] != '\0') && (hostname[0] != '?')) {
- node = hostname;
- }
- hints.ai_socktype = type;
- hints.ai_family = family;
- hints.ai_flags = flags;
- if ((error = getaddrinfo(node, service, &hints, &res))) {
- res = NULL;
- av_log(h, AV_LOG_ERROR, "getaddrinfo(%s, %s): %s\n",
- node ? node : "unknown",
- service,
- gai_strerror(error));
- }
-
- return res;
-}
-
static int udp_set_multicast_sources(URLContext *h,
int sockfd, struct sockaddr *addr,
- int addr_len, char **sources,
+ int addr_len, struct sockaddr_storage *local_addr,
+ struct sockaddr_storage *sources,
int nb_sources, int include)
{
-#if HAVE_STRUCT_GROUP_SOURCE_REQ && defined(MCAST_BLOCK_SOURCE) && !defined(_WIN32) && (!defined(TARGET_OS_TV) || !TARGET_OS_TV)
- /* These ones are available in the microsoft SDK, but don't seem to work
- * as on linux, so just prefer the v4-only approach there for now. */
- int i;
- for (i = 0; i < nb_sources; i++) {
- struct group_source_req mreqs;
- int level = addr->sa_family == AF_INET ? IPPROTO_IP : IPPROTO_IPV6;
- struct addrinfo *sourceaddr = udp_resolve_host(h, sources[i], 0,
- SOCK_DGRAM, AF_UNSPEC,
- 0);
- if (!sourceaddr)
- return AVERROR(ENOENT);
-
- mreqs.gsr_interface = 0;
- memcpy(&mreqs.gsr_group, addr, addr_len);
- memcpy(&mreqs.gsr_source, sourceaddr->ai_addr, sourceaddr->ai_addrlen);
- freeaddrinfo(sourceaddr);
-
- if (setsockopt(sockfd, level,
- include ? MCAST_JOIN_SOURCE_GROUP : MCAST_BLOCK_SOURCE,
- (const void *)&mreqs, sizeof(mreqs)) < 0) {
- if (include)
- log_net_error(NULL, AV_LOG_ERROR, "setsockopt(MCAST_JOIN_SOURCE_GROUP)");
- else
- log_net_error(NULL, AV_LOG_ERROR, "setsockopt(MCAST_BLOCK_SOURCE)");
- return ff_neterrno();
- }
- }
-#elif HAVE_STRUCT_IP_MREQ_SOURCE && defined(IP_BLOCK_SOURCE)
int i;
if (addr->sa_family != AF_INET) {
+#if HAVE_STRUCT_GROUP_SOURCE_REQ && defined(MCAST_BLOCK_SOURCE)
+ /* For IPv4 prefer the old approach, as that alone works reliably on
+ * Windows and it also supports supplying the interface based on its
+ * address. */
+ int i;
+ for (i = 0; i < nb_sources; i++) {
+ struct group_source_req mreqs;
+ int level = addr->sa_family == AF_INET ? IPPROTO_IP : IPPROTO_IPV6;
+
+ //TODO: Interface index should be looked up from local_addr
+ mreqs.gsr_interface = 0;
+ memcpy(&mreqs.gsr_group, addr, addr_len);
+ memcpy(&mreqs.gsr_source, &sources[i], sizeof(*sources));
+
+ if (setsockopt(sockfd, level,
+ include ? MCAST_JOIN_SOURCE_GROUP : MCAST_BLOCK_SOURCE,
+ (const void *)&mreqs, sizeof(mreqs)) < 0) {
+ if (include)
+ ff_log_net_error(NULL, AV_LOG_ERROR, "setsockopt(MCAST_JOIN_SOURCE_GROUP)");
+ else
+ ff_log_net_error(NULL, AV_LOG_ERROR, "setsockopt(MCAST_BLOCK_SOURCE)");
+ return ff_neterrno();
+ }
+ }
+ return 0;
+#else
av_log(NULL, AV_LOG_ERROR,
"Setting multicast sources only supported for IPv4\n");
return AVERROR(EINVAL);
+#endif
}
+#if HAVE_STRUCT_IP_MREQ_SOURCE && defined(IP_BLOCK_SOURCE)
for (i = 0; i < nb_sources; i++) {
struct ip_mreq_source mreqs;
- struct addrinfo *sourceaddr = udp_resolve_host(h, sources[i], 0,
- SOCK_DGRAM, AF_UNSPEC,
- 0);
- if (!sourceaddr)
- return AVERROR(ENOENT);
- if (sourceaddr->ai_addr->sa_family != AF_INET) {
- freeaddrinfo(sourceaddr);
- av_log(NULL, AV_LOG_ERROR, "%s is of incorrect protocol family\n",
- sources[i]);
+ if (sources[i].ss_family != AF_INET) {
+ av_log(NULL, AV_LOG_ERROR, "Source/block address %d is of incorrect protocol family\n", i + 1);
return AVERROR(EINVAL);
}
mreqs.imr_multiaddr.s_addr = ((struct sockaddr_in *)addr)->sin_addr.s_addr;
- mreqs.imr_interface.s_addr = INADDR_ANY;
- mreqs.imr_sourceaddr.s_addr = ((struct sockaddr_in *)sourceaddr->ai_addr)->sin_addr.s_addr;
- freeaddrinfo(sourceaddr);
+ if (local_addr)
+ mreqs.imr_interface= ((struct sockaddr_in *)local_addr)->sin_addr;
+ else
+ mreqs.imr_interface.s_addr= INADDR_ANY;
+ mreqs.imr_sourceaddr.s_addr = ((struct sockaddr_in *)&sources[i])->sin_addr.s_addr;
if (setsockopt(sockfd, IPPROTO_IP,
include ? IP_ADD_SOURCE_MEMBERSHIP : IP_BLOCK_SOURCE,
(const void *)&mreqs, sizeof(mreqs)) < 0) {
if (include)
- log_net_error(NULL, AV_LOG_ERROR, "setsockopt(IP_ADD_SOURCE_MEMBERSHIP)");
+ ff_log_net_error(NULL, AV_LOG_ERROR, "setsockopt(IP_ADD_SOURCE_MEMBERSHIP)");
else
- log_net_error(NULL, AV_LOG_ERROR, "setsockopt(IP_BLOCK_SOURCE)");
+ ff_log_net_error(NULL, AV_LOG_ERROR, "setsockopt(IP_BLOCK_SOURCE)");
return ff_neterrno();
}
}
struct addrinfo *res0;
int addr_len;
- res0 = udp_resolve_host(h, hostname, port, SOCK_DGRAM, AF_UNSPEC, 0);
+ res0 = ff_ip_resolve_host(h, hostname, port, SOCK_DGRAM, AF_UNSPEC, 0);
if (!res0) return AVERROR(EIO);
memcpy(addr, res0->ai_addr, res0->ai_addrlen);
addr_len = res0->ai_addrlen;
if (((struct sockaddr *) &s->dest_addr)->sa_family)
family = ((struct sockaddr *) &s->dest_addr)->sa_family;
- res0 = udp_resolve_host(h, (localaddr && localaddr[0]) ? localaddr : NULL,
+ res0 = ff_ip_resolve_host(h, (localaddr && localaddr[0]) ? localaddr : NULL,
s->local_port,
SOCK_DGRAM, family, AI_PASSIVE);
if (!res0)
else
udp_fd = ff_socket(res->ai_family, SOCK_DGRAM, 0);
if (udp_fd != -1) break;
- log_net_error(NULL, AV_LOG_ERROR, "socket");
+ ff_log_net_error(NULL, AV_LOG_ERROR, "socket");
}
if (udp_fd < 0)
if (connect(s->udp_fd, (struct sockaddr *) &s->dest_addr,
s->dest_addr_len)) {
s->is_connected = 0;
- log_net_error(h, AV_LOG_ERROR, "connect");
+ ff_log_net_error(h, AV_LOG_ERROR, "connect");
return AVERROR(EIO);
}
}
}
while(1) {
int len;
+ struct sockaddr_storage addr;
+ socklen_t addr_len = sizeof(addr);
pthread_mutex_unlock(&s->mutex);
/* Blocking operations are always cancellation points;
see "General Information" / "Thread Cancelation Overview"
in Single Unix. */
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &old_cancelstate);
- len = recv(s->udp_fd, s->tmp+4, sizeof(s->tmp)-4, 0);
+ len = recvfrom(s->udp_fd, s->tmp+4, sizeof(s->tmp)-4, 0, (struct sockaddr *)&addr, &addr_len);
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &old_cancelstate);
pthread_mutex_lock(&s->mutex);
if (len < 0) {
}
continue;
}
+ if (ff_ip_check_source_lists(&addr, &s->filters))
+ continue;
AV_WL32(s->tmp, len);
if(av_fifo_space(s->fifo) < len + 4) {
#endif
-static int parse_source_list(char *buf, char **sources, int *num_sources,
- int max_sources)
-{
- char *source_start;
-
- source_start = buf;
- while (1) {
- char *next = strchr(source_start, ',');
- if (next)
- *next = '\0';
- sources[*num_sources] = av_strdup(source_start);
- if (!sources[*num_sources])
- return AVERROR(ENOMEM);
- source_start = next + 1;
- (*num_sources)++;
- if (*num_sources >= max_sources || !next)
- break;
- }
- return 0;
-}
-
/* put it in UDP context */
/* return non zero if error */
static int udp_open(URLContext *h, const char *uri, int flags)
char buf[256];
struct sockaddr_storage my_addr;
socklen_t len;
- int i, num_include_sources = 0, num_exclude_sources = 0;
- char *include_sources[32], *exclude_sources[32];
h->is_streamed = 1;
s->buffer_size = is_output ? UDP_TX_BUF_SIZE : UDP_MAX_PKT_SIZE;
if (s->sources) {
- if (parse_source_list(s->sources, include_sources,
- &num_include_sources,
- FF_ARRAY_ELEMS(include_sources)))
+ if (ff_ip_parse_sources(h, s->sources, &s->filters) < 0)
goto fail;
}
if (s->block) {
- if (parse_source_list(s->block, exclude_sources, &num_exclude_sources,
- FF_ARRAY_ELEMS(exclude_sources)))
+ if (ff_ip_parse_blocks(h, s->block, &s->filters) < 0)
goto fail;
}
av_strlcpy(localaddr, buf, sizeof(localaddr));
}
if (av_find_info_tag(buf, sizeof(buf), "sources", p)) {
- if (parse_source_list(buf, include_sources, &num_include_sources,
- FF_ARRAY_ELEMS(include_sources)))
+ if (ff_ip_parse_sources(h, buf, &s->filters) < 0)
goto fail;
}
if (av_find_info_tag(buf, sizeof(buf), "block", p)) {
- if (parse_source_list(buf, exclude_sources, &num_exclude_sources,
- FF_ARRAY_ELEMS(exclude_sources)))
+ if (ff_ip_parse_blocks(h, buf, &s->filters) < 0)
goto fail;
}
if (!is_output && av_find_info_tag(buf, sizeof(buf), "timeout", p))
* bind failed */
/* the bind is needed to give a port to the socket now */
if (bind_ret < 0 && bind(udp_fd,(struct sockaddr *)&my_addr, len) < 0) {
- log_net_error(h, AV_LOG_ERROR, "bind failed");
+ ff_log_net_error(h, AV_LOG_ERROR, "bind failed");
goto fail;
}
}
if (h->flags & AVIO_FLAG_READ) {
/* input */
- if (num_include_sources && num_exclude_sources) {
- av_log(h, AV_LOG_ERROR, "Simultaneously including and excluding multicast sources is not supported\n");
- goto fail;
- }
- if (num_include_sources) {
+ if (s->filters.nb_include_addrs) {
if (udp_set_multicast_sources(h, udp_fd,
(struct sockaddr *)&s->dest_addr,
- s->dest_addr_len,
- include_sources,
- num_include_sources, 1) < 0)
+ s->dest_addr_len, &s->local_addr_storage,
+ s->filters.include_addrs,
+ s->filters.nb_include_addrs, 1) < 0)
goto fail;
} else {
if (udp_join_multicast_group(udp_fd, (struct sockaddr *)&s->dest_addr,(struct sockaddr *)&s->local_addr_storage) < 0)
goto fail;
}
- if (num_exclude_sources) {
+ if (s->filters.nb_exclude_addrs) {
if (udp_set_multicast_sources(h, udp_fd,
(struct sockaddr *)&s->dest_addr,
- s->dest_addr_len,
- exclude_sources,
- num_exclude_sources, 0) < 0)
+ s->dest_addr_len, &s->local_addr_storage,
+ s->filters.exclude_addrs,
+ s->filters.nb_exclude_addrs, 0) < 0)
goto fail;
}
}
/* limit the tx buf size to limit latency */
tmp = s->buffer_size;
if (setsockopt(udp_fd, SOL_SOCKET, SO_SNDBUF, &tmp, sizeof(tmp)) < 0) {
- log_net_error(h, AV_LOG_ERROR, "setsockopt(SO_SNDBUF)");
+ ff_log_net_error(h, AV_LOG_ERROR, "setsockopt(SO_SNDBUF)");
goto fail;
}
} else {
/* set udp recv buffer size to the requested value (default 64K) */
tmp = s->buffer_size;
if (setsockopt(udp_fd, SOL_SOCKET, SO_RCVBUF, &tmp, sizeof(tmp)) < 0) {
- log_net_error(h, AV_LOG_WARNING, "setsockopt(SO_RECVBUF)");
+ ff_log_net_error(h, AV_LOG_WARNING, "setsockopt(SO_RECVBUF)");
}
len = sizeof(tmp);
if (getsockopt(udp_fd, SOL_SOCKET, SO_RCVBUF, &tmp, &len) < 0) {
- log_net_error(h, AV_LOG_WARNING, "getsockopt(SO_RCVBUF)");
+ ff_log_net_error(h, AV_LOG_WARNING, "getsockopt(SO_RCVBUF)");
} else {
av_log(h, AV_LOG_DEBUG, "end receive buffer size reported is %d\n", tmp);
if(tmp < s->buffer_size)
}
if (s->is_connected) {
if (connect(udp_fd, (struct sockaddr *) &s->dest_addr, s->dest_addr_len)) {
- log_net_error(h, AV_LOG_ERROR, "connect");
+ ff_log_net_error(h, AV_LOG_ERROR, "connect");
goto fail;
}
}
- for (i = 0; i < num_include_sources; i++)
- av_freep(&include_sources[i]);
- for (i = 0; i < num_exclude_sources; i++)
- av_freep(&exclude_sources[i]);
-
s->udp_fd = udp_fd;
#if HAVE_PTHREAD_CANCEL
if (udp_fd >= 0)
closesocket(udp_fd);
av_fifo_freep(&s->fifo);
- for (i = 0; i < num_include_sources; i++)
- av_freep(&include_sources[i]);
- for (i = 0; i < num_exclude_sources; i++)
- av_freep(&exclude_sources[i]);
+ ff_ip_reset_filters(&s->filters);
return AVERROR(EIO);
}
{
UDPContext *s = h->priv_data;
int ret;
+ struct sockaddr_storage addr;
+ socklen_t addr_len = sizeof(addr);
#if HAVE_PTHREAD_CANCEL
int avail, nonblock = h->flags & AVIO_FLAG_NONBLOCK;
if (ret < 0)
return ret;
}
- ret = recv(s->udp_fd, buf, size, 0);
-
- return ret < 0 ? ff_neterrno() : ret;
+ ret = recvfrom(s->udp_fd, buf, size, 0, (struct sockaddr *)&addr, &addr_len);
+ if (ret < 0)
+ return ff_neterrno();
+ if (ff_ip_check_source_lists(&addr, &s->filters))
+ return AVERROR(EINTR);
+ return ret;
}
static int udp_write(URLContext *h, const uint8_t *buf, int size)
#endif
closesocket(s->udp_fd);
av_fifo_freep(&s->fifo);
+ ff_ip_reset_filters(&s->filters);
return 0;
}
projects / ffmpeg / blobdiff