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Use MCAST_PORT define for port 5353
[project/mdnsd.git]
/
interface.c
diff --git
a/interface.c
b/interface.c
index 463335a89034692d2ca1048948dc11d0f528ab5b..a984be90a7cbf2de92a047f97ba394ddf6c43d86 100644
(file)
--- a/
interface.c
+++ b/
interface.c
@@
-34,6
+34,7
@@
#include <libubox/uloop.h>
#include <libubox/avl-cmp.h>
#include <libubox/utils.h>
#include <libubox/uloop.h>
#include <libubox/avl-cmp.h>
#include <libubox/utils.h>
+#include "cache.h"
#include "interface.h"
#include "util.h"
#include "dns.h"
#include "interface.h"
#include "util.h"
#include "dns.h"
@@
-41,7
+42,7
@@
#include "service.h"
static int
#include "service.h"
static int
-interface_send_packet4(struct interface *iface, struct iovec *iov, int iov_len)
+interface_send_packet4(struct interface *iface, struct
sockaddr_in *to, struct
iovec *iov, int iov_len)
{
static size_t cmsg_data[( CMSG_SPACE(sizeof(struct in_pktinfo)) / sizeof(size_t)) + 1];
static struct sockaddr_in a;
{
static size_t cmsg_data[( CMSG_SPACE(sizeof(struct in_pktinfo)) / sizeof(size_t)) + 1];
static struct sockaddr_in a;
@@
-69,13
+70,19
@@
interface_send_packet4(struct interface *iface, struct iovec *iov, int iov_len)
pkti = (struct in_pktinfo*) CMSG_DATA(cmsg);
pkti->ipi_ifindex = iface->ifindex;
pkti = (struct in_pktinfo*) CMSG_DATA(cmsg);
pkti->ipi_ifindex = iface->ifindex;
- a.sin_addr.s_addr = inet_addr(MCAST_ADDR);
+ if (iface->multicast) {
+ a.sin_addr.s_addr = inet_addr(MCAST_ADDR);
+ if (to)
+ fprintf(stderr, "Ignoring IPv4 address for multicast interface\n");
+ } else {
+ a.sin_addr.s_addr = to->sin_addr.s_addr;
+ }
return sendmsg(fd, &m, 0);
}
static int
return sendmsg(fd, &m, 0);
}
static int
-interface_send_packet6(struct interface *iface, struct iovec *iov, int iov_len)
+interface_send_packet6(struct interface *iface, struct
sockaddr_in6 *to, struct
iovec *iov, int iov_len)
{
static size_t cmsg_data[( CMSG_SPACE(sizeof(struct in6_pktinfo)) / sizeof(size_t)) + 1];
static struct sockaddr_in6 a;
{
static size_t cmsg_data[( CMSG_SPACE(sizeof(struct in6_pktinfo)) / sizeof(size_t)) + 1];
static struct sockaddr_in6 a;
@@
-103,23
+110,35
@@
interface_send_packet6(struct interface *iface, struct iovec *iov, int iov_len)
pkti = (struct in6_pktinfo*) CMSG_DATA(cmsg);
pkti->ipi6_ifindex = iface->ifindex;
pkti = (struct in6_pktinfo*) CMSG_DATA(cmsg);
pkti->ipi6_ifindex = iface->ifindex;
- inet_pton(AF_INET6, MCAST_ADDR6, &a.sin6_addr);
+ if (iface->multicast) {
+ inet_pton(AF_INET6, MCAST_ADDR6, &a.sin6_addr);
+ if (to)
+ fprintf(stderr, "Ignoring IPv6 address for multicast interface\n");
+ } else {
+ a.sin6_addr = to->sin6_addr;
+ }
return sendmsg(fd, &m, 0);
}
int
return sendmsg(fd, &m, 0);
}
int
-interface_send_packet(struct interface *iface, struct iovec *iov, int iov_len)
+interface_send_packet(struct interface *iface, struct
sockaddr *to, struct
iovec *iov, int iov_len)
{
{
+ if (!iface->multicast && !to) {
+ fprintf(stderr, "No IP address specified for unicast interface\n");
+ errno = EINVAL;
+ return -1;
+ }
+
if (debug > 1) {
fprintf(stderr, "TX ipv%d: %s\n", iface->v6 * 2 + 4, iface->name);
fprintf(stderr, " multicast: %d\n", iface->multicast);
}
if (iface->v6)
if (debug > 1) {
fprintf(stderr, "TX ipv%d: %s\n", iface->v6 * 2 + 4, iface->name);
fprintf(stderr, " multicast: %d\n", iface->multicast);
}
if (iface->v6)
- return interface_send_packet6(iface, iov, iov_len);
+ return interface_send_packet6(iface,
(struct sockaddr_in6 *)to,
iov, iov_len);
- return interface_send_packet4(iface, iov, iov_len);
+ return interface_send_packet4(iface,
(struct sockaddr_in *)to,
iov, iov_len);
}
static void interface_close(struct interface *iface)
}
static void interface_close(struct interface *iface)
@@
-135,6
+154,7
@@
static void interface_close(struct interface *iface)
static void interface_free(struct interface *iface)
{
static void interface_free(struct interface *iface)
{
+ uloop_timeout_cancel(&iface->reconnect);
interface_close(iface);
free(iface);
}
interface_close(iface);
free(iface);
}
@@
-389,6
+409,7
@@
static void
reconnect_socket4(struct uloop_timeout *timeout)
{
struct interface *iface = container_of(timeout, struct interface, reconnect);
reconnect_socket4(struct uloop_timeout *timeout)
{
struct interface *iface = container_of(timeout, struct interface, reconnect);
+ int ttl = 255;
int yes = 1;
iface->fd.fd = usock(USOCK_UDP | USOCK_SERVER | USOCK_NONBLOCK | USOCK_IPV4ONLY,
int yes = 1;
iface->fd.fd = usock(USOCK_UDP | USOCK_SERVER | USOCK_NONBLOCK | USOCK_IPV4ONLY,
@@
-404,6
+425,9
@@
reconnect_socket4(struct uloop_timeout *timeout)
if (setsockopt(iface->fd.fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) < 0)
fprintf(stderr, "ioctl failed: SO_REUSEADDR\n");
if (setsockopt(iface->fd.fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) < 0)
fprintf(stderr, "ioctl failed: SO_REUSEADDR\n");
+ if (setsockopt(iface->fd.fd, IPPROTO_IP, IP_TTL, &ttl, sizeof(ttl)) < 0)
+ fprintf(stderr, "ioctl failed: IP_TTL\n");
+
if (setsockopt(iface->fd.fd, IPPROTO_IP, IP_RECVTTL, &yes, sizeof(yes)) < 0)
fprintf(stderr, "ioctl failed: IP_RECVTTL\n");
if (setsockopt(iface->fd.fd, IPPROTO_IP, IP_RECVTTL, &yes, sizeof(yes)) < 0)
fprintf(stderr, "ioctl failed: IP_RECVTTL\n");
@@
-417,7
+441,7
@@
reconnect_socket4(struct uloop_timeout *timeout)
uloop_fd_add(&iface->fd, ULOOP_READ);
if (iface->multicast) {
uloop_fd_add(&iface->fd, ULOOP_READ);
if (iface->multicast) {
- dns_send_question(iface,
"_services._dns-sd._udp.local"
, TYPE_PTR, 0);
+ dns_send_question(iface,
C_DNS_SD
, TYPE_PTR, 0);
announce_init(iface);
}
announce_init(iface);
}
@@
-465,7
+489,7
@@
reconnect_socket6(struct uloop_timeout *timeout)
uloop_fd_add(&iface->fd, ULOOP_READ);
if (iface->multicast) {
uloop_fd_add(&iface->fd, ULOOP_READ);
if (iface->multicast) {
- dns_send_question(iface,
"_services._dns-sd._udp.local"
, TYPE_PTR, 0);
+ dns_send_question(iface,
C_DNS_SD
, TYPE_PTR, 0);
announce_init(iface);
}
announce_init(iface);
}
@@
-496,6
+520,7
@@
iface_update_cb(struct vlist_tree *tree, struct vlist_node *node_new,
if (node_old) {
iface = container_of(node_old, struct interface, node);
if (node_old) {
iface = container_of(node_old, struct interface, node);
+ cache_cleanup(iface);
interface_free(iface);
}
interface_free(iface);
}
@@
-620,8
+645,8
@@
void interface_shutdown(void)
vlist_for_each_element(&interfaces, iface, node)
if (iface->fd.fd > 0 && iface->multicast) {
vlist_for_each_element(&interfaces, iface, node)
if (iface->fd.fd > 0 && iface->multicast) {
-
service_announce(iface
, 0);
-
dns_reply_a(iface
, 0);
+
dns_reply_a(iface, NULL
, 0);
+
service_announce_services(iface, NULL
, 0);
}
vlist_for_each_element(&interfaces, iface, node)
interface_close(iface);
}
vlist_for_each_element(&interfaces, iface, node)
interface_close(iface);