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authorPatrik Flykt <patrik.flykt@linux.intel.com>2015-07-10 11:25:21 +0300
committerPatrik Flykt <patrik.flykt@linux.intel.com>2015-08-21 11:23:21 +0300
commit4e3e6679e8f73b83d38e4b20d8b025e12991d1cb (patch)
tree4a4c3e532d33d127466ece575eaaa95c3cccd6f9 /src
parent7b088084186f8fb3880b4343038216f09ec6493e (diff)
sd-dhcp6-client: Fix unreferencing DHCPv6 lease on client reset
When the DHCPv6 client is started by the library user or stopped for any reason, unref the DHCPv6 lease when resetting the DHCPv6 client data structure. This makes the DHCPv6 client always start from a clean state and not keep unnecessary an lease structure around when stopped. If this is not done, a previously existing lease information can be interpreted to be from another server when restarting DHCPv6.
Diffstat (limited to 'src')
-rw-r--r--src/libsystemd-network/sd-dhcp6-client.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/libsystemd-network/sd-dhcp6-client.c b/src/libsystemd-network/sd-dhcp6-client.c
index e2f5862851..85bb1f3a8f 100644
--- a/src/libsystemd-network/sd-dhcp6-client.c
+++ b/src/libsystemd-network/sd-dhcp6-client.c
@@ -272,6 +272,11 @@ static void client_notify(sd_dhcp6_client *client, int event) {
static int client_reset(sd_dhcp6_client *client) {
assert_return(client, -EINVAL);
+ if (client->lease) {
+ dhcp6_lease_clear_timers(&client->lease->ia);
+ client->lease = sd_dhcp6_lease_unref(client->lease);
+ }
+
client->receive_message =
sd_event_source_unref(client->receive_message);