#include "socket.h"
#include "log.h"
+/* this is a portability hack */
+#ifndef IPV6_ADD_MEMBERSHIP
+#ifdef IPV6_JOIN_GROUP
+#define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
+#endif
+#endif
+
+#ifndef IPV6_DROP_MEMBERSHIP
+#ifdef IPV6_LEAVE_GROUP
+#define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
+#endif
+#endif
+
static void mdns_mcast_group_ipv4(struct sockaddr_in *ret_sa) {
assert(ret_sa);
mreq.imr_multiaddr = sa.sin_addr;
mreq.imr_ifindex = idx;
- if (setsockopt(fd, SOL_IP, IP_ADD_MEMBERSHIP, &mreq, sizeof(mreq)) < 0) {
+ if (setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mreq, sizeof(mreq)) < 0) {
avahi_log_warn("IP_ADD_MEMBERSHIP failed: %s", strerror(errno));
return -1;
}
mreq6.ipv6mr_multiaddr = sa6.sin6_addr;
mreq6.ipv6mr_interface = idx;
- if (setsockopt(fd, SOL_IPV6, IPV6_ADD_MEMBERSHIP, &mreq6, sizeof(mreq6)) < 0) {
+ if (setsockopt(fd, IPPROTO_IPV6, IPV6_ADD_MEMBERSHIP, &mreq6, sizeof(mreq6)) < 0) {
avahi_log_warn("IPV6_ADD_MEMBERSHIP failed: %s", strerror(errno));
return -1;
}
mreq.imr_multiaddr = sa.sin_addr;
mreq.imr_ifindex = idx;
- if (setsockopt(fd, SOL_IP, IP_DROP_MEMBERSHIP, &mreq, sizeof(mreq)) < 0) {
+ if (setsockopt(fd, IPPROTO_IP, IP_DROP_MEMBERSHIP, &mreq, sizeof(mreq)) < 0) {
avahi_log_warn("IP_DROP_MEMBERSHIP failed: %s", strerror(errno));
return -1;
}
mreq6.ipv6mr_multiaddr = sa6.sin6_addr;
mreq6.ipv6mr_interface = idx;
- if (setsockopt(fd, SOL_IPV6, IPV6_DROP_MEMBERSHIP, &mreq6, sizeof(mreq6)) < 0) {
+ if (setsockopt(fd, IPPROTO_IPV6, IPV6_DROP_MEMBERSHIP, &mreq6, sizeof(mreq6)) < 0) {
avahi_log_warn("IPV6_DROP_MEMBERSHIP failed: %s", strerror(errno));
return -1;
}
return 0;
}
+static int ip_pktinfo (int fd, int yes)
+{
+ int ret = -1;
+
+#if IP_PKTINFO
+ if ((ret = setsockopt(fd, IPPROTO_IP, IP_PKTINFO, &yes, sizeof(yes))) < 0) {
+ avahi_log_warn("IP_PKTINFO failed: %s", strerror(errno));
+ }
+#else
+#ifdef IP_RECVINTERFACE
+ if ((ret = setsockopt (fd, IPPROTO_IP, IP_RECVINTERFACE, &yes, sizeof (yes))) < 0) {
+ avahi_log_warn("IP_RECVINTERFACE failed: %s", strerror(errno));
+ }
+#else
+#ifdef IP_RECVIF
+ if ((ret = setsockopt (fd, IPPROTO_IP, IP_RECVIF, &yes, sizeof (yes))) < 0) {
+ avahi_log_warn("IP_RECVIF failed: %s", strerror(errno));
+ }
+#endif /* IP_RECVIF */
+#endif /* IP_RECVINTERFACE */
+#if defined (IP_RECVDSTADDR) /* && !defined(solaris) */
+ if ((ret = setsockopt (fd, IPPROTO_IP, IP_RECVDSTADDR, &yes, sizeof (yes))) < 0) {
+ avahi_log_warn("IP_RECVDSTADDR failed: %s", strerror(errno));
+ }
+#endif /* IP_RECVDSTADDR */
+#endif /* IP_PKTINFO */
+
+ return (ret);
+}
+
int avahi_open_socket_ipv4(int no_reuse) {
struct sockaddr_in local;
int fd = -1, ttl, yes, r;
}
ttl = 255;
- if (setsockopt(fd, SOL_IP, IP_MULTICAST_TTL, &ttl, sizeof(ttl)) < 0) {
+ if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, sizeof(ttl)) < 0) {
avahi_log_warn("IP_MULTICAST_TTL failed: %s", strerror(errno));
goto fail;
}
ttl = 255;
- if (setsockopt(fd, SOL_IP, IP_TTL, &ttl, sizeof(ttl)) < 0) {
+ if (setsockopt(fd, IPPROTO_IP, IP_TTL, &ttl, sizeof(ttl)) < 0) {
avahi_log_warn("IP_TTL failed: %s", strerror(errno));
goto fail;
}
yes = 1;
- if (setsockopt(fd, SOL_IP, IP_MULTICAST_LOOP, &yes, sizeof(yes)) < 0) {
+ if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, &yes, sizeof(yes)) < 0) {
avahi_log_warn("IP_MULTICAST_LOOP failed: %s", strerror(errno));
goto fail;
}
goto fail;
yes = 1;
- if (setsockopt(fd, SOL_IP, IP_RECVTTL, &yes, sizeof(yes)) < 0) {
+ if (setsockopt(fd, IPPROTO_IP, IP_RECVTTL, &yes, sizeof(yes)) < 0) {
avahi_log_warn("IP_RECVTTL failed: %s", strerror(errno));
goto fail;
}
yes = 1;
- if (setsockopt(fd, SOL_IP, IP_PKTINFO, &yes, sizeof(yes)) < 0) {
- avahi_log_warn("IP_PKTINFO failed: %s", strerror(errno));
- goto fail;
+ if (ip_pktinfo (fd, yes) < 0) {
+ goto fail;
}
-
+
if (avahi_set_cloexec(fd) < 0) {
avahi_log_warn("FD_CLOEXEC failed: %s", strerror(errno));
goto fail;
}
ttl = 255;
- if (setsockopt(fd, SOL_IPV6, IPV6_MULTICAST_HOPS, &ttl, sizeof(ttl)) < 0) {
+ if (setsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, &ttl, sizeof(ttl)) < 0) {
avahi_log_warn("IPV6_MULTICAST_HOPS failed: %s", strerror(errno));
goto fail;
}
ttl = 255;
- if (setsockopt(fd, SOL_IPV6, IPV6_UNICAST_HOPS, &ttl, sizeof(ttl)) < 0) {
+ if (setsockopt(fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &ttl, sizeof(ttl)) < 0) {
avahi_log_warn("IPV6_UNICAST_HOPS failed: %s", strerror(errno));
goto fail;
}
yes = 1;
- if (setsockopt(fd, SOL_IPV6, IPV6_V6ONLY, &yes, sizeof(yes)) < 0) {
+ if (setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &yes, sizeof(yes)) < 0) {
avahi_log_warn("IPV6_V6ONLY failed: %s", strerror(errno));
goto fail;
}
yes = 1;
- if (setsockopt(fd, SOL_IPV6, IPV6_MULTICAST_LOOP, &yes, sizeof(yes)) < 0) {
+ if (setsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, &yes, sizeof(yes)) < 0) {
avahi_log_warn("IPV6_MULTICAST_LOOP failed: %s", strerror(errno));
goto fail;
}
goto fail;
yes = 1;
- if (setsockopt(fd, SOL_IPV6, IPV6_HOPLIMIT, &yes, sizeof(yes)) < 0) {
+ if (setsockopt(fd, IPPROTO_IPV6, IPV6_HOPLIMIT, &yes, sizeof(yes)) < 0) {
avahi_log_warn("IPV6_HOPLIMIT failed: %s", strerror(errno));
goto fail;
}
yes = 1;
- if (setsockopt(fd, SOL_IPV6, IPV6_PKTINFO, &yes, sizeof(yes)) < 0) {
+ if (setsockopt(fd, IPPROTO_IPV6, IPV6_PKTINFO, &yes, sizeof(yes)) < 0) {
avahi_log_warn("IPV6_PKTINFO failed: %s", strerror(errno));
goto fail;
}
for (cmsg = CMSG_FIRSTHDR(&msg); cmsg != NULL; cmsg = CMSG_NXTHDR(&msg, cmsg)) {
- if (cmsg->cmsg_level == SOL_IP) {
+ if (cmsg->cmsg_level == IPPROTO_IP) {
if (cmsg->cmsg_type == IP_TTL) {
if (ret_ttl)
*ret_ttl = 0;
for (cmsg = CMSG_FIRSTHDR(&msg); cmsg != NULL; cmsg = CMSG_NXTHDR(&msg, cmsg)) {
- if (cmsg->cmsg_level == SOL_IPV6 && cmsg->cmsg_type == IPV6_HOPLIMIT) {
+ if (cmsg->cmsg_level == IPPROTO_IPV6 && cmsg->cmsg_type == IPV6_HOPLIMIT) {
if (ret_ttl)
*ret_ttl = (uint8_t) (*(int *) CMSG_DATA(cmsg));
found_ttl = 1;
}
- if (cmsg->cmsg_level == SOL_IPV6 && cmsg->cmsg_type == IPV6_PKTINFO) {
+ if (cmsg->cmsg_level == IPPROTO_IPV6 && cmsg->cmsg_type == IPV6_PKTINFO) {
struct in6_pktinfo *i = (struct in6_pktinfo*) CMSG_DATA(cmsg);
if (ret_iface)
}
yes = 1;
- if (setsockopt(fd, SOL_IP, IP_RECVTTL, &yes, sizeof(yes)) < 0) {
+ if (setsockopt(fd, IPPROTO_IP, IP_RECVTTL, &yes, sizeof(yes)) < 0) {
avahi_log_warn("IP_RECVTTL failed: %s", strerror(errno));
goto fail;
}
yes = 1;
- if (setsockopt(fd, SOL_IP, IP_PKTINFO, &yes, sizeof(yes)) < 0) {
- avahi_log_warn("IP_PKTINFO failed: %s", strerror(errno));
- goto fail;
+ if (ip_pktinfo (fd, yes) < 0) {
+ goto fail;
}
-
+
if (avahi_set_cloexec(fd) < 0) {
avahi_log_warn("FD_CLOEXEC failed: %s", strerror(errno));
goto fail;
}
yes = 1;
- if (setsockopt(fd, SOL_IPV6, IPV6_HOPLIMIT, &yes, sizeof(yes)) < 0) {
+ if (setsockopt(fd, IPPROTO_IPV6, IPV6_HOPLIMIT, &yes, sizeof(yes)) < 0) {
avahi_log_warn("IPV6_HOPLIMIT failed: %s", strerror(errno));
goto fail;
}
yes = 1;
- if (setsockopt(fd, SOL_IPV6, IPV6_PKTINFO, &yes, sizeof(yes)) < 0) {
+ if (setsockopt(fd, IPPROTO_IPV6, IPV6_PKTINFO, &yes, sizeof(yes)) < 0) {
avahi_log_warn("IPV6_PKTINFO failed: %s", strerror(errno));
goto fail;
}