From: Eugene Teo <eugeneteo@kernel.sg>
To: davem@davemloft.net
Cc: netdev@vger.kernel.org, security@kernel.org, eteo@redhat.com
Subject: [PATCH] sbni: missing capability checks in sbni_ioctl()
Date: Wed, 27 Aug 2008 11:19:54 +0800 [thread overview]
Message-ID: <20080827031954.GA11597@kernel.sg> (raw)
This requires proper capability checks for the privileged operations.
Signed-off-by: Eugene Teo <eugeneteo@kernel.sg>
---
drivers/net/wan/sbni.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wan/sbni.c b/drivers/net/wan/sbni.c
index e59255a..6596cd0 100644
--- a/drivers/net/wan/sbni.c
+++ b/drivers/net/wan/sbni.c
@@ -1317,7 +1317,7 @@ sbni_ioctl( struct net_device *dev, struct ifreq *ifr, int cmd )
break;
case SIOCDEVRESINSTATS :
- if( current->euid != 0 ) /* root only */
+ if (!capable(CAP_NET_ADMIN))
return -EPERM;
memset( &nl->in_stats, 0, sizeof(struct sbni_in_stats) );
break;
@@ -1334,7 +1334,7 @@ sbni_ioctl( struct net_device *dev, struct ifreq *ifr, int cmd )
break;
case SIOCDEVSHWSTATE :
- if( current->euid != 0 ) /* root only */
+ if (!capable(CAP_NET_ADMIN))
return -EPERM;
spin_lock( &nl->lock );
@@ -1355,7 +1355,7 @@ sbni_ioctl( struct net_device *dev, struct ifreq *ifr, int cmd )
#ifdef CONFIG_SBNI_MULTILINE
case SIOCDEVENSLAVE :
- if( current->euid != 0 ) /* root only */
+ if (!capable(CAP_NET_ADMIN))
return -EPERM;
if (copy_from_user( slave_name, ifr->ifr_data, sizeof slave_name ))
@@ -1370,7 +1370,7 @@ sbni_ioctl( struct net_device *dev, struct ifreq *ifr, int cmd )
return enslave( dev, slave_dev );
case SIOCDEVEMANSIPATE :
- if( current->euid != 0 ) /* root only */
+ if (!capable(CAP_NET_ADMIN))
return -EPERM;
return emancipate( dev );
reply other threads:[~2008-08-27 3:20 UTC|newest]
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