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security: remove the security_netlink_recv hook as it is equivalent to capable()

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Once upon a time netlink was not sync and we had to get the effective
capabilities from the skb that was being received.  Today we instead get
the capabilities from the current task.  This has rendered the entire
purpose of the hook moot as it is now functionally equivalent to the
capable() call.

Signed-off-by: Eric Paris <[email protected]>
This commit is contained in:
Eric Paris 2012-01-03 12:25:16 -05:00
commit fd77846152
14 changed files with 10 additions and 58 deletions
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8
security/commoncap.c
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@ -56,14 +56,6 @@ int cap_netlink_send(struct sock *sk, struct sk_buff *skb)
return 0;
}
int cap_netlink_recv(struct sk_buff *skb, int cap)
{
if (!cap_raised(current_cap(), cap))
return -EPERM;
return 0;
}
EXPORT_SYMBOL(cap_netlink_recv);
/**
* cap_capable - Determine whether a task has a particular effective capability
* @cred: The credentials to use