dhcp/SOURCES/dhcp-client-request-release...

62 lines
2.2 KiB
Diff

diff -up dhcp-4.3.4/client/dhclient.c.bind-iface dhcp-4.3.4/client/dhclient.c
--- dhcp-4.3.4/client/dhclient.c.bind-iface 2016-04-29 13:06:50.595257108 +0200
+++ dhcp-4.3.4/client/dhclient.c 2016-04-29 13:08:30.237281528 +0200
@@ -3023,6 +3023,14 @@ void send_request (cpp)
#endif
if (destination.sin_addr.s_addr != INADDR_BROADCAST &&
fallback_interface) {
+#if defined(SO_BINDTODEVICE)
+ if (setsockopt(fallback_interface -> wfdesc, SOL_SOCKET,
+ SO_BINDTODEVICE, client->interface->name,
+ strlen(client->interface->name)) < 0) {
+ log_error("%s:%d: Failed to bind fallback interface"
+ " to %s: %m", MDL, client->interface->name);
+ }
+#endif
result = send_packet(fallback_interface, NULL, &client->packet,
client->packet_length, from, &destination,
NULL);
@@ -3032,6 +3040,13 @@ void send_request (cpp)
client->packet_length,
fallback_interface->name);
}
+#if defined(SO_BINDTODEVICE)
+ if (setsockopt(fallback_interface -> wfdesc, SOL_SOCKET,
+ SO_BINDTODEVICE, NULL, 0) < 0) {
+ log_fatal("%s:%d: Failed to unbind fallback interface:"
+ " %m", MDL);
+ }
+#endif
}
else {
/* Send out a packet. */
@@ -3144,6 +3159,14 @@ void send_release (cpp)
} else
#endif
if (fallback_interface) {
+#if defined(SO_BINDTODEVICE)
+ if (setsockopt(fallback_interface -> wfdesc, SOL_SOCKET,
+ SO_BINDTODEVICE, client->interface->name,
+ strlen(client->interface->name)) < 0) {
+ log_error("%s:%d: Failed to bind fallback interface"
+ " to %s: %m", MDL, client->interface->name);
+ }
+#endif
result = send_packet(fallback_interface, NULL, &client->packet,
client->packet_length, from, &destination,
NULL);
@@ -3153,6 +3176,13 @@ void send_release (cpp)
client->packet_length,
fallback_interface->name);
}
+#if defined(SO_BINDTODEVICE)
+ if (setsockopt(fallback_interface -> wfdesc, SOL_SOCKET,
+ SO_BINDTODEVICE, NULL, 0) < 0) {
+ log_fatal("%s:%d: Failed to unbind fallback interface:"
+ " %m", MDL);
+ }
+#endif
} else {
/* Send out a packet. */
result = send_packet(client->interface, NULL, &client->packet,