From: Ivo van Doorn <ivdoorn@gmail.com>
To: "John W. Linville" <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org, rt2400-devel@lists.sourceforge.net
Subject: [PATCH 01/11] rt2x00: Check permissions on debugfs write
Date: Wed, 25 Jul 2007 22:49:56 +0200 [thread overview]
Message-ID: <200707252249.56238.IvDoorn@gmail.com> (raw)
>From 0eb031ef356c30c766966b4321808934c2667625 Mon Sep 17 00:00:00 2001
From: Ivo van Doorn <IvDoorn@gmail.com>
Date: Fri, 20 Jul 2007 16:36:42 +0200
Subject: [PATCH 01/11] rt2x00: Check permissions on debugfs write
When writing to the registers through debugfs
the capabilities should be checked for CAP_NET_ADMIN.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
---
drivers/net/wireless/mac80211/rt2x00/rt2x00debug.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/net/wireless/mac80211/rt2x00/rt2x00debug.c b/drivers/net/wireless/mac80211/rt2x00/rt2x00debug.c
index cb61870..e99d783 100644
--- a/drivers/net/wireless/mac80211/rt2x00/rt2x00debug.c
+++ b/drivers/net/wireless/mac80211/rt2x00/rt2x00debug.c
@@ -152,6 +152,9 @@ static ssize_t rt2x00debug_file_write(void *device, const char __user *buf,
int size;
char *line;
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
line = kzalloc(length, GFP_KERNEL);
if (!line)
return -ENOMEM;
--
1.5.2.2
reply other threads:[~2007-07-25 20:48 UTC|newest]
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