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| author | Kristen Carlson Accardi <kristen@linux.intel.com> | 2010-04-26 10:28:41 -0700 |
|---|---|---|
| committer | Denis Kenzior <denkenz@gmail.com> | 2010-04-26 12:38:31 -0500 |
| commit | fce78feb549ccaad55cf3943391b2cad9a4b6646 (patch) | |
| tree | bbfae1f6ac8e85b5c4d8aed4a0f2bac84daba86f /gatchat/gatppp.c | |
| parent | 30644d81957cfefe99df5789ad2f65683123a4cd (diff) | |
| download | ofono-fce78feb549ccaad55cf3943391b2cad9a4b6646.tar.bz2 | |
ppp: discard non-LCP packets in ESTABLISHMENT phase
Diffstat (limited to 'gatchat/gatppp.c')
| -rw-r--r-- | gatchat/gatppp.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gatchat/gatppp.c b/gatchat/gatppp.c index fc6769c3..1547a753 100644 --- a/gatchat/gatppp.c +++ b/gatchat/gatppp.c @@ -169,6 +169,13 @@ static void ppp_recv(GAtPPP *ppp, struct frame_buffer *frame) guint16 protocol = ppp_proto(frame->bytes); guint8 *packet = ppp_info(frame->bytes); + /* + * Any non-LCP packets received during Link Establishment + * phase must be silently discarded. + */ + if (ppp->phase == PPP_PHASE_ESTABLISHMENT && protocol != LCP_PROTOCOL) + return; + switch (protocol) { case PPP_IP_PROTO: /* If network is up & open, process the packet, if not, drop */ |