50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
--- mcgroup.c.orig 2016-02-17 21:02:06 UTC
|
|
+++ mcgroup.c
|
|
@@ -54,11 +54,23 @@ static struct iface *find_valid_iface(co
|
|
static void mcgroup4_init(void)
|
|
{
|
|
if (mcgroup4_socket < 0) {
|
|
+#ifdef SOCK_CLOEXEC
|
|
mcgroup4_socket = socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
|
|
+#else
|
|
+ mcgroup4_socket = socket(AF_INET, SOCK_DGRAM, 0);
|
|
+#endif
|
|
if (mcgroup4_socket < 0) {
|
|
smclog(LOG_ERR, "Failed creating socket for joining IPv4 multicast groups: %m");
|
|
exit(255);
|
|
}
|
|
+#ifndef SOCK_CLOEXEC
|
|
+ if (fcntl(mcgroup4_socket, F_SETFD, FD_CLOEXEC) < 0) {
|
|
+ smclog(LOG_WARNING, "Failed creating socket for joining IPv4 multicast groups: %m");
|
|
+ close(mcgroup4_socket);
|
|
+ mcgroup4_socket = -1;
|
|
+ return;
|
|
+ }
|
|
+#endif
|
|
|
|
#ifdef __linux__
|
|
if (setsockopt(mcgroup4_socket, SOL_SOCKET, SO_ATTACH_FILTER, &fprog, sizeof(fprog)) < 0)
|
|
@@ -132,11 +144,23 @@ static int mcgroup6_socket = -1;
|
|
static void mcgroup6_init(void)
|
|
{
|
|
if (mcgroup6_socket < 0) {
|
|
+#ifdef SOCK_CLOEXEC
|
|
mcgroup6_socket = socket(AF_INET6, SOCK_DGRAM | SOCK_CLOEXEC, IPPROTO_UDP);
|
|
+#else
|
|
+ mcgroup6_socket = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
|
|
+#endif
|
|
if (mcgroup6_socket < 0) {
|
|
smclog(LOG_WARNING, "Failed creating socket for joining IPv6 multicast groups: %m");
|
|
return;
|
|
}
|
|
+#ifndef SOCK_CLOEXEC
|
|
+ if (fcntl(mcgroup6_socket, F_SETFD, FD_CLOEXEC) < 0) {
|
|
+ smclog(LOG_WARNING, "Failed creating socket for joining IPv6 multicast groups: %m");
|
|
+ close(mcgroup6_socket);
|
|
+ mcgroup6_socket = -1;
|
|
+ return;
|
|
+ }
|
|
+#endif
|
|
|
|
#ifdef __linux__
|
|
if (setsockopt(mcgroup6_socket, SOL_SOCKET, SO_ATTACH_FILTER, &fprog, sizeof(fprog)) < 0)
|