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From: Serge Hallyn <serge@hallyn.com>
To: linux-kernel@vger.kernel.org, containers@lists.linux-foundation.org
Cc: dhowells@redhat.com, ebiederm@xmission.com,
	"Serge E. Hallyn" <serge.hallyn@canonical.com>
Subject: [RFC PATCH 11/14] userns: make some net-sysfs capable calls targeted
Date: Tue, 12 Jul 2011 23:30:49 +0000	[thread overview]
Message-ID: <1310513452-13397-12-git-send-email-serge@hallyn.com> (raw)
In-Reply-To: <1310513452-13397-1-git-send-email-serge@hallyn.com>

From: Serge E. Hallyn <serge.hallyn@canonical.com>

Changelog: jul 1: fix compilation errors (net_device != net)

Signed-off-by: Serge E. Hallyn <serge.hallyn@canonical.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
---
 net/core/net-sysfs.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 33d2a1f..b651baf 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -76,7 +76,7 @@ static ssize_t netdev_store(struct device *dev, struct device_attribute *attr,
 	unsigned long new;
 	int ret = -EINVAL;
 
-	if (!capable(CAP_NET_ADMIN))
+	if (!ns_capable(dev_net(net)->user_ns, CAP_NET_ADMIN))
 		return -EPERM;
 
 	new = simple_strtoul(buf, &endp, 0);
@@ -262,7 +262,7 @@ static ssize_t store_ifalias(struct device *dev, struct device_attribute *attr,
 	size_t count = len;
 	ssize_t ret;
 
-	if (!capable(CAP_NET_ADMIN))
+	if (!ns_capable(dev_net(netdev)->user_ns, CAP_NET_ADMIN))
 		return -EPERM;
 
 	/* ignore trailing newline */
-- 
1.7.4.1


  parent reply	other threads:[~2011-07-12 23:37 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-12 23:30 [RFC PATCH 0/14] user namespaces: continue targetting capabilities Serge Hallyn
2011-07-12 23:30 ` [RFC PATCH 01/14] add Documentation/namespaces/user_namespace.txt Serge Hallyn
2011-07-12 23:30 ` [RFC PATCH 02/14] allow root in container to copy namespaces Serge Hallyn
2011-07-12 23:30 ` [RFC PATCH 03/14] keyctl: check capabilities against key's user_ns Serge Hallyn
2011-07-12 23:30 ` [RFC PATCH 04/14] user_ns: convert fs/attr.c to targeted capabilities Serge Hallyn
2011-07-12 23:30 ` [RFC PATCH 05/14] userns: clamp down users of cap_raised Serge Hallyn
2011-07-12 23:30 ` [RFC PATCH 06/14] user namespace: make each net (net_ns) belong to a user_ns Serge Hallyn
2011-07-12 23:30 ` [RFC PATCH 07/14] user namespace: use net->user_ns for some capable calls under net/ Serge Hallyn
2011-07-12 23:30 ` [RFC PATCH 08/14] af_netlink.c: make netlink_capable userns-aware Serge Hallyn
2011-07-13  1:33   ` Eric Dumazet
2011-07-13  2:02     ` Serge E. Hallyn
2011-07-12 23:30 ` [RFC PATCH 09/14] user ns: convert ipv6 to targeted capabilities Serge Hallyn
2011-07-12 23:30 ` [RFC PATCH 10/14] net/core/scm.c: target capable() calls to user_ns owning the net_ns Serge Hallyn
2011-07-12 23:30 ` Serge Hallyn [this message]
2011-07-12 23:30 ` [RFC PATCH 12/14] user_ns: target af_key capability check Serge Hallyn
2011-07-12 23:30 ` [RFC PATCH 13/14] userns: net: make many network capable calls targeted Serge Hallyn
2011-07-12 23:30 ` [RFC PATCH 14/14] net: pass user_ns to cap_netlink_recv() Serge Hallyn
2011-07-13 12:45 ` [RFC PATCH 01/14] add Documentation/namespaces/user_namespace.txt David Howells
2011-07-14  2:37   ` Serge E. Hallyn
2011-07-13 16:04 ` [RFC PATCH 03/14] keyctl: check capabilities against key's user_ns David Howells

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