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-rw-r--r--source4/lib/socket/interface.c35
1 files changed, 20 insertions, 15 deletions
diff --git a/source4/lib/socket/interface.c b/source4/lib/socket/interface.c
index 79c5673022..309ed80744 100644
--- a/source4/lib/socket/interface.c
+++ b/source4/lib/socket/interface.c
@@ -47,12 +47,13 @@ static struct interface *local_interfaces;
/****************************************************************************
Try and find an interface that matches an ip. If we cannot, return NULL
**************************************************************************/
-static struct interface *iface_find(struct in_addr ip, bool CheckMask)
+static struct interface *iface_find(struct interface *interfaces,
+ struct in_addr ip, bool CheckMask)
{
struct interface *i;
- if (is_zero_ip(ip)) return local_interfaces;
+ if (is_zero_ip(ip)) return interfaces;
- for (i=local_interfaces;i;i=i->next)
+ for (i=interfaces;i;i=i->next)
if (CheckMask) {
if (same_net(i->ip,ip,i->nmask)) return i;
} else if (i->ip.s_addr == ip.s_addr) return i;
@@ -64,18 +65,19 @@ static struct interface *iface_find(struct in_addr ip, bool CheckMask)
/****************************************************************************
add an interface to the linked list of interfaces
****************************************************************************/
-static void add_interface(struct in_addr ip, struct in_addr nmask)
+static void add_interface(struct in_addr ip, struct in_addr nmask, struct interface **interfaces)
{
struct interface *iface;
struct in_addr bcast;
- if (iface_find(ip, false)) {
+ if (iface_find(*interfaces, ip, false)) {
DEBUG(3,("not adding duplicate interface %s\n",inet_ntoa(ip)));
return;
}
- iface = talloc(local_interfaces == NULL ? talloc_autofree_context() : local_interfaces, struct interface);
- if (!iface) return;
+ iface = talloc(*interfaces == NULL ? talloc_autofree_context() : *interfaces, struct interface);
+ if (iface == NULL)
+ return;
ZERO_STRUCTPN(iface);
@@ -92,7 +94,7 @@ static void add_interface(struct in_addr ip, struct in_addr nmask)
iface->bcast_s = talloc_strdup(iface, inet_ntoa(bcast));
}
- DLIST_ADD_END(local_interfaces, iface, struct interface *);
+ DLIST_ADD_END(*interfaces, iface, struct interface *);
DEBUG(2,("added interface ip=%s nmask=%s\n", iface->ip_s, iface->nmask_s));
}
@@ -125,7 +127,8 @@ static void interpret_interface(const char *token,
for (i=0;i<total_probed;i++) {
if (gen_fnmatch(token, probed_ifaces[i].name) == 0) {
add_interface(probed_ifaces[i].ip,
- probed_ifaces[i].netmask);
+ probed_ifaces[i].netmask,
+ &local_interfaces);
added = 1;
}
}
@@ -142,7 +145,8 @@ static void interpret_interface(const char *token,
for (i=0;i<total_probed;i++) {
if (ip.s_addr == probed_ifaces[i].ip.s_addr) {
add_interface(probed_ifaces[i].ip,
- probed_ifaces[i].netmask);
+ probed_ifaces[i].netmask,
+ &local_interfaces);
return;
}
}
@@ -166,7 +170,8 @@ static void interpret_interface(const char *token,
ip.s_addr == MKNETADDR(ip.s_addr, nmask.s_addr)) {
for (i=0;i<total_probed;i++) {
if (same_net(ip, probed_ifaces[i].ip, nmask)) {
- add_interface(probed_ifaces[i].ip, nmask);
+ add_interface(probed_ifaces[i].ip, nmask,
+ &local_interfaces);
return;
}
}
@@ -174,7 +179,7 @@ static void interpret_interface(const char *token,
return;
}
- add_interface(ip, nmask);
+ add_interface(ip, nmask, &local_interfaces);
}
@@ -207,7 +212,7 @@ static void load_interfaces(const char **interfaces)
for (i=0;i<total_probed;i++) {
if (ifaces[i].ip.s_addr != loopback_ip.s_addr) {
add_interface(ifaces[i].ip,
- ifaces[i].netmask);
+ ifaces[i].netmask, &local_interfaces);
}
}
}
@@ -313,7 +318,7 @@ const char *iface_best_ip(struct loadparm_context *lp_ctx, const char *dest)
load_interfaces(lp_interfaces(lp_ctx));
ip.s_addr = interpret_addr(dest);
- iface = iface_find(ip, true);
+ iface = iface_find(local_interfaces, ip, true);
if (iface) {
return iface->ip_s;
}
@@ -330,7 +335,7 @@ bool iface_is_local(struct loadparm_context *lp_ctx, const char *dest)
load_interfaces(lp_interfaces(lp_ctx));
ip.s_addr = interpret_addr(dest);
- if (iface_find(ip, true)) {
+ if (iface_find(local_interfaces, ip, true)) {
return true;
}
return false;