From a8659147725d11f1706beb2fa0af33cea9bacfcf Mon Sep 17 00:00:00 2001
From: Joerg Mayer <Joerg Mayer@315857ad-0bdb-0310-b42e-dec37551a5f0>
Date: Mon, 26 May 2014 20:09:51 +0000
Subject: [PATCH] Print a warning if an illegal value is used for the spi but
 continue

git-svn-id: https://svn.unix-ag.uni-kl.de/vpnc/trunk@550 315857ad-0bdb-0310-b42e-dec37551a5f0
---
 tunip.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tunip.c b/tunip.c
index 4f3b6ec..00d9e1c 100644
--- a/tunip.c
+++ b/tunip.c
@@ -730,6 +730,8 @@ static void process_socket(struct sa_block *s)
 	} else if (eh->spi != s->ipsec.rx.spi) {
 		logmsg(LOG_NOTICE, "unknown spi %#08x from peer", ntohl(eh->spi));
 		return;
+	} else if (ntohl(eh->spi) < 256) {
+		syslog(LOG_NOTICE, "illegal spi %d from peer - continuing", ntohl(eh->spi));
 	}
 
 	/* Check auth digest and/or decrypt */
-- 
2.11.4.GIT