diff options
Diffstat (limited to 'source3/lib/interface.c')
| -rw-r--r-- | source3/lib/interface.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/source3/lib/interface.c b/source3/lib/interface.c index c920cc0cfc..3b038dcda6 100644 --- a/source3/lib/interface.c +++ b/source3/lib/interface.c @@ -438,6 +438,9 @@ struct in_addr *iface_n_ip(int n) return NULL; } +/**************************************************************************** +Try and find an interface that matches an ip. If we cannot, return NULL + **************************************************************************/ static struct interface *iface_find(struct in_addr ip) { struct interface *i; @@ -446,7 +449,7 @@ static struct interface *iface_find(struct in_addr ip) for (i=local_interfaces;i;i=i->next) if (same_net(i->ip,ip,i->nmask)) return i; - return local_interfaces; + return NULL; } /* these 3 functions return the ip/bcast/nmask for the interface @@ -454,17 +457,20 @@ static struct interface *iface_find(struct in_addr ip) struct in_addr *iface_bcast(struct in_addr ip) { - return(&iface_find(ip)->bcast); + struct interface *i = iface_find(ip); + return(i ? &i->bcast : &local_interfaces->bcast); } struct in_addr *iface_nmask(struct in_addr ip) { - return(&iface_find(ip)->nmask); + struct interface *i = iface_find(ip); + return(i ? &i->nmask : &local_interfaces->nmask); } struct in_addr *iface_ip(struct in_addr ip) { - return(&iface_find(ip)->ip); + struct interface *i = iface_find(ip); + return(i ? &i->ip : &local_interfaces->ip); } |