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authorMauro Carvalho Chehab <mchehab@redhat.com>2013-01-11 13:28:19 -0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-01-11 13:28:19 -0200
commit734d1ece37fbf3d2ddfc71bc6c69e0fe35f02542 (patch)
treec4805dd7e746b1feb9e09e9849f3245d0b2c0c6b /net/sysctl_net.c
parent216c82c6aba63eeb49d7654b448e0d47bea255bb (diff)
parent9931faca02c604c22335f5a935a501bb2ace6e20 (diff)
Merge tag 'v3.8-rc3' into v4l_for_linus
Linux 3.8-rc3 * tag 'v3.8-rc3': (11110 commits) Linux 3.8-rc3 mm: reinstante dropped pmd_trans_splitting() check cred: Remove tgcred pointer from struct cred drm/ttm: fix fence locking in ttm_buffer_object_transfer ARM: clps711x: Fix bad merge of clockevents setup ARM: highbank: save and restore L2 cache and GIC on suspend ARM: highbank: add a power request clear ARM: highbank: fix secondary boot and hotplug ARM: highbank: fix typos with hignbank in power request functions ARM: dts: fix highbank cpu mpidr values ARM: dts: add device_type prop to cpu nodes on Calxeda platforms drm/prime: drop reference on imported dma-buf come from gem xen/netfront: improve truesize tracking ARM: mx5: Fix MX53 flexcan2 clock ARM: OMAP2+: am33xx-hwmod: Fix wrongly terminated am33xx_usbss_mpu_irqs array sctp: fix Kconfig bug in default cookie hmac selection EDAC: Cleanup device deregistering path EDAC: Fix EDAC Kconfig menu EDAC: Fix kernel panic on module unloading ALSA: hda - add mute LED for HP Pavilion 17 (Realtek codec) ...
Diffstat (limited to 'net/sysctl_net.c')
-rw-r--r--net/sysctl_net.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/net/sysctl_net.c b/net/sysctl_net.c
index e3a6e37cd1c..9bc6db04be3 100644
--- a/net/sysctl_net.c
+++ b/net/sysctl_net.c
@@ -38,15 +38,24 @@ static int is_seen(struct ctl_table_set *set)
}
/* Return standard mode bits for table entry. */
-static int net_ctl_permissions(struct ctl_table_root *root,
- struct nsproxy *nsproxy,
+static int net_ctl_permissions(struct ctl_table_header *head,
struct ctl_table *table)
{
+ struct net *net = container_of(head->set, struct net, sysctls);
+ kuid_t root_uid = make_kuid(net->user_ns, 0);
+ kgid_t root_gid = make_kgid(net->user_ns, 0);
+
/* Allow network administrator to have same access as root. */
- if (capable(CAP_NET_ADMIN)) {
+ if (ns_capable(net->user_ns, CAP_NET_ADMIN) ||
+ uid_eq(root_uid, current_uid())) {
int mode = (table->mode >> 6) & 7;
return (mode << 6) | (mode << 3) | mode;
}
+ /* Allow netns root group to have the same access as the root group */
+ if (gid_eq(root_gid, current_gid())) {
+ int mode = (table->mode >> 3) & 7;
+ return (mode << 3) | mode;
+ }
return table->mode;
}