@@ -65,6 +65,25 @@ struct network {
bool dry_run;
};
+static char *mac_bytes_to_string(void *ctx, uint8_t *addr, int len)
+{
+ const int l = strlen("xx:");
+ char *buf;
+ int i;
+
+ if (len <= 0)
+ return talloc_strdup(ctx, "");
+
+ buf = talloc_array(ctx, char, (len * l) + 1);
+
+ for (i = 0; i < len; i++)
+ sprintf(buf + (l * i), "%02x:", addr[i]);
+
+ *(buf + (l * len) - 1) = '\0';
+
+ return buf;
+}
+
static const struct interface_config *find_config_by_hwaddr(
uint8_t *hwaddr)
{
@@ -109,6 +128,25 @@ static struct interface *find_interface_by_name(struct network *network,
return NULL;
}
+static struct interface *find_interface_by_uuid(struct network *network,
+ const char *uuid)
+{
+ struct interface *interface;
+ char *mac;
+
+ list_for_each_entry(&network->interfaces, interface, list) {
+ mac = mac_bytes_to_string(interface, interface->hwaddr,
+ sizeof(interface->hwaddr));
+ if (!strcmp(mac, uuid)) {
+ talloc_free(mac);
+ return interface;
+ }
+ talloc_free(mac);
+ }
+
+ return NULL;
+}
+
uint8_t *find_mac_by_name(void *ctx, struct network *network,
const char *name)
{
@@ -175,25 +213,6 @@ static int network_send_link_query(struct network *network)
return 0;
}
-static char *mac_bytes_to_string(void *ctx, uint8_t *addr, int len)
-{
- const int l = strlen("xx:");
- char *buf;
- int i;
-
- if (len <= 0)
- return talloc_strdup(ctx, "");
-
- buf = talloc_array(ctx, char, (len * l) + 1);
-
- for (i = 0; i < len; i++)
- sprintf(buf + (l * i), "%02x:", addr[i]);
-
- *(buf + (l * len) - 1) = '\0';
-
- return buf;
-}
-
static void add_interface(struct network *network,
struct interface *interface)
{
@@ -222,7 +241,7 @@ void network_register_device(struct network *network,
{
struct interface *iface;
- iface = find_interface_by_name(network, dev->device->id);
+ iface = find_interface_by_uuid(network, dev->uuid);
if (!iface)
return;
@@ -236,7 +255,7 @@ void network_unregister_device(struct network *network,
{
struct interface *iface;
- iface = find_interface_by_name(network, dev->device->id);
+ iface = find_interface_by_uuid(network, dev->uuid);
if (!iface)
return;
Currently in network_register_device() and network_unregister_device() the appropriate interface is searched for by name. However it is possible in some scenarios for multiple interfaces to have the same name, so instead search by UUID to be sure that the correct interface is being selected. Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com> --- discover/network.c | 61 +++++++++++++++++++++++++++++++++++------------------- 1 file changed, 40 insertions(+), 21 deletions(-)