int OpenAndConfNATPMPSockets(int * sockets)
{
int i, j;
struct lan_addr_s * lan_addr;
for(i = 0, lan_addr = lan_addrs.lh_first; lan_addr != NULL; lan_addr = lan_addr->list.le_next, i++)
{
sockets[i] = OpenAndConfNATPMPSocket(lan_addr->addr.s_addr);
if(sockets[i] < 0)
{
for(j=0; j<i; j++)
{
close(sockets[j]);
sockets[j] = -1;
}
return -1;
}
}
return 0;
}
int OpenAndConfNATPMPSockets(int * sockets)
{
int i;
struct lan_addr_s * lan_addr;
for(i = 0, lan_addr = lan_addrs.lh_first;
lan_addr != NULL;
lan_addr = lan_addr->list.le_next)
{
sockets[i] = OpenAndConfNATPMPSocket(lan_addr->addr.s_addr);
if(sockets[i] < 0)
goto error;
i++;
}
return 0;
error:
while(--i >= 0)
{
close(sockets[i]);
sockets[i] = -1;
}
return -1;
}
/* disabled at the moment */
int
ProcessInterfaceUp(struct ifinfomsg *ifi)
{
struct lan_iface_s * lan_iface;
struct lan_iface_s * lan_iface2;
struct lan_addr_s * lan_addr;
char ifname[IFNAMSIZ];
char ifstraddr[16];
struct in_addr ifaddr;
/* check if we already have this iface */
for(lan_iface = lan_ifaces.lh_first; lan_iface != NULL; lan_iface = lan_iface->list.le_next)
if (lan_iface->iface.index == ifi->ifi_index)
break;
if (lan_iface != NULL)
return 0;
if (if_indextoname(ifi->ifi_index, ifname) == NULL)
{
syslog(LOG_ERR, "if_indextoname(%d, ifname) failed", ifi->ifi_index);
return -1;
}
if (getifaddr(ifname, ifstraddr, 16) < 0)
{
syslog(LOG_DEBUG, "getifaddr(%s, ifaddr, 16) failed", ifname);
return 1;
}
if (inet_pton(AF_INET, ifstraddr, &ifaddr) != 1)
{
syslog(LOG_ERR, "inet_pton(AF_INET, \"%s\", &ifaddr) failed", ifstraddr);
return -1;
}
/* check if this new interface has address which we need to listen to */
for(lan_addr = lan_addrs.lh_first; lan_addr != NULL; lan_addr = lan_addr->list.le_next)
{
if (lan_addr->addr.s_addr != ifaddr.s_addr)
continue;
syslog(LOG_INFO, "Interface up: %s (%s)", ifname, ifstraddr);
/* adding new lan_iface entry */
lan_iface = (struct lan_iface_s *) malloc(sizeof(struct lan_iface_s));
if (lan_iface == NULL)
{
syslog(LOG_ERR, "malloc(sizeof(struct lan_iface_s): %m");
continue;
}
lan_iface->lan_addr = lan_addr;
strncpy(lan_iface->iface.name, ifname, IFNAMSIZ);
lan_iface->iface.index = ifi->ifi_index;
lan_iface->iface.addr = ifaddr;
lan_iface->snotify = -1;
#ifdef ENABLE_NATPMP
lan_iface->snatpmp = -1;
#endif
LIST_INSERT_HEAD(&lan_ifaces, lan_iface, list);
/* adding multicast membership for SSDP */
if(AddMulticastMembership(sudp, ifaddr.s_addr, ifi->ifi_index) < 0)
syslog(LOG_WARNING, "Failed to add multicast membership for interface %s (%s)", ifname, ifstraddr);
else
syslog(LOG_INFO, "Multicast membership added for %s (%s)", ifname, ifstraddr);
/* create SSDP notify socket */
if (OpenAndConfSSDPNotifySocket(lan_iface) < 0)
syslog(LOG_WARNING, "Failed to open SSDP notify socket for interface %s (%s)", ifname, ifstraddr);
#ifdef ENABLE_NATPMP
/* create NAT-PMP socket */
for(lan_iface2 = lan_ifaces.lh_first; lan_iface2 != NULL; lan_iface2 = lan_iface2->list.le_next)
if (lan_iface2->lan_addr->addr.s_addr == lan_iface->lan_addr->addr.s_addr &&
lan_iface2->snatpmp >= 0)
lan_iface->snatpmp = lan_iface2->snatpmp;
if (lan_iface->snatpmp < 0)
{
lan_iface->snatpmp = OpenAndConfNATPMPSocket(ifaddr.s_addr);
if (lan_iface->snatpmp < 0)
syslog(LOG_ERR, "OpenAndConfNATPMPSocket(ifaddr.s_addr) failed for %s (%s)", ifname, ifstraddr);
else
syslog(LOG_INFO, "Listening for NAT-PMP connection on %s:%d", ifstraddr, NATPMP_PORT);
}
#endif
}
return 0;
}
