From: Kristen Carlson Accardi <kristen@linux.intel.com>
To: ofono@ofono.org
Subject: [PATCH] ppp: discard non-LCP packets when in Establishment phase
Date: Mon, 26 Apr 2010 10:28:41 -0700 [thread overview]
Message-ID: <1272302921-21344-1-git-send-email-kristen@linux.intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 731 bytes --]
---
gatchat/gatppp.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/gatchat/gatppp.c b/gatchat/gatppp.c
index fc6769c..1547a75 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 */
--
1.6.6.1
next reply other threads:[~2010-04-26 17:28 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-26 17:28 Kristen Carlson Accardi [this message]
2010-04-26 17:39 ` [PATCH] ppp: discard non-LCP packets when in Establishment phase Denis Kenzior
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