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-rw-r--r--source4/lib/netif/interface.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/source4/lib/netif/interface.c b/source4/lib/netif/interface.c
index 2d90df43cf..78f4456cd8 100644
--- a/source4/lib/netif/interface.c
+++ b/source4/lib/netif/interface.c
@@ -94,7 +94,7 @@ static void add_interface(struct in_addr ip, struct in_addr nmask)
iface->nmask = tov4(nmask);
iface->bcast.addr = MKBCADDR(iface->ip.addr, iface->nmask.addr);
- DLIST_ADD(local_interfaces, iface);
+ DLIST_ADD_END(local_interfaces, iface, struct interface *);
DEBUG(2,("added interface ip=%s ",sys_inet_ntoa(iface->ip)));
DEBUG(2,("bcast=%s ",sys_inet_ntoa(iface->bcast)));
@@ -339,3 +339,18 @@ const char *iface_n_netmask(int n)
return NULL;
}
+/*
+ return the local IP address that best matches a destination IP, or
+ our first interface if none match
+*/
+const char *iface_best_ip(const char *dest)
+{
+ struct interface *iface;
+ struct in_addr ip;
+ ip.s_addr = interpret_addr(dest);
+ iface = iface_find(ip, True);
+ if (iface) {
+ return sys_inet_ntoa(iface->ip);
+ }
+ return iface_n_ip(0);
+}