diff options
| author | Patrik Flykt <patrik.flykt@linux.intel.com> | 2013-12-17 16:24:16 +0100 |
|---|---|---|
| committer | Tom Gundersen <teg@jklm.no> | 2013-12-17 16:24:16 +0100 |
| commit | 97b9372db178baadb121634fb4ae12bda8969cfe (patch) | |
| tree | 02635e9fdef9eb434e591363daccb12e69b38aa8 | |
| parent | 187dc6e554f2d5b4b5a3bee72c73ff5df6418aa6 (diff) | |
dhcp: Properly handle unsuccessful cases for DHCP Ack
Ignore DHCP Ack packets if they are found to be erroneous or have
an unexpected xid by setting the result to zero instead of propagating
an error. Also remember to report a DHCP Nak and stop the DHCP client.
| -rw-r--r-- | src/libsystemd-dhcp/dhcp-client.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/libsystemd-dhcp/dhcp-client.c b/src/libsystemd-dhcp/dhcp-client.c index 01d406c27b..c0c348cbf1 100644 --- a/src/libsystemd-dhcp/dhcp-client.c +++ b/src/libsystemd-dhcp/dhcp-client.c @@ -897,6 +897,9 @@ static int client_receive_raw_message(sd_event_source *s, int fd, client->receive_message = sd_event_source_unref(client->receive_message); } + + r = 0; + break; case DHCP_STATE_INIT: @@ -910,7 +913,7 @@ static int client_receive_raw_message(sd_event_source *s, int fd, } error: - if (r < 0) + if (r < 0 || r == DHCP_EVENT_NO_LEASE) return client_stop(client, r); return 0; |