From 991470de0c7b59c69dd2de8110ba1ddef042a473 Mon Sep 17 00:00:00 2001
From: Sander Vrijders <sander.vrijders@ugent.be>
Date: Wed, 24 Oct 2018 12:11:30 +0200
Subject: tools: Add IFF_NO_PI flag to ovpn
The flag IFF_NO_PI is needed to make sure that no extra protocol
header is added to the payload that is received on the TUN interface.
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
---
src/tools/ovpn/ovpn.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'src/tools')
diff --git a/src/tools/ovpn/ovpn.c b/src/tools/ovpn/ovpn.c
index d5e9d024..8de794fa 100644
--- a/src/tools/ovpn/ovpn.c
+++ b/src/tools/ovpn/ovpn.c
@@ -89,7 +89,7 @@ static int tun_open(char * dev,
memset(&ifr, 0, sizeof(ifr));
- ifr.ifr_flags = IFF_TUN;
+ ifr.ifr_flags = IFF_TUN | IFF_NO_PI;
ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
if (ret < 0)
--
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