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authorStephen Hemminger <shemminger@osdl.org>2006-09-28 15:13:37 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-28 18:03:10 -0700
commit75f3123c118743f52b690d9ab41649814befda0a (patch)
treed1a149bcdf39901757122b2fcc86b4bcc3ed2ff8 /net/core
parent32f50cdee666333168b5203c7864bede159f789e (diff)
[ETHTOOL]: let mortals use ethtool
There is no reason to not allow non-admin users to query network statistics and settings. [ Removed PHYS_ID and GREGS based upon feedback from Auke Kok and Michael Chan -DaveM] Acked-by: James Morris <jmorris@namei.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/ethtool.c36
1 files changed, 29 insertions, 7 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index e0ca04f38ce..120786a196d 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -806,13 +806,6 @@ int dev_ethtool(struct ifreq *ifr)
int rc;
unsigned long old_features;
- /*
- * XXX: This can be pushed down into the ethtool_* handlers that
- * need it. Keep existing behaviour for the moment.
- */
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
if (!dev || !netif_device_present(dev))
return -ENODEV;
@@ -822,6 +815,31 @@ int dev_ethtool(struct ifreq *ifr)
if (copy_from_user(&ethcmd, useraddr, sizeof (ethcmd)))
return -EFAULT;
+ /* Allow some commands to be done by anyone */
+ switch(ethcmd) {
+ case ETHTOOL_GSET:
+ case ETHTOOL_GDRVINFO:
+ case ETHTOOL_GWOL:
+ case ETHTOOL_GMSGLVL:
+ case ETHTOOL_GLINK:
+ case ETHTOOL_GCOALESCE:
+ case ETHTOOL_GRINGPARAM:
+ case ETHTOOL_GPAUSEPARAM:
+ case ETHTOOL_GRXCSUM:
+ case ETHTOOL_GTXCSUM:
+ case ETHTOOL_GSG:
+ case ETHTOOL_GSTRINGS:
+ case ETHTOOL_GSTATS:
+ case ETHTOOL_GTSO:
+ case ETHTOOL_GPERMADDR:
+ case ETHTOOL_GUFO:
+ case ETHTOOL_GGSO:
+ break;
+ default:
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+ }
+
if(dev->ethtool_ops->begin)
if ((rc = dev->ethtool_ops->begin(dev)) < 0)
return rc;
@@ -947,6 +965,10 @@ int dev_ethtool(struct ifreq *ifr)
return rc;
ioctl:
+ /* Keep existing behaviour for the moment. */
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
if (dev->do_ioctl)
return dev->do_ioctl(dev, ifr, SIOCETHTOOL);
return -EOPNOTSUPP;