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KEYS: Allow keyctl_revoke() on keys that have SETATTR but not WRITE perm [try #6]

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Allow keyctl_revoke() to operate on keys that have SETATTR but not WRITE
permission, rather than only on keys that have WRITE permission.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
David Howells 2009-09-02 09:13:50 +01:00 committed by James Morris
parent 5593122eec
commit 0c2c9a3fc7
1 changed files with 7 additions and 1 deletions
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8
security/keys/keyctl.c
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@ -343,7 +343,13 @@ long keyctl_revoke_key(key_serial_t id)
key_ref = lookup_user_key(id, 0, KEY_WRITE);
if (IS_ERR(key_ref)) {
ret = PTR_ERR(key_ref);
goto error;
if (ret != -EACCES)
goto error;
key_ref = lookup_user_key(id, 0, KEY_SETATTR);
if (IS_ERR(key_ref)) {
ret = PTR_ERR(key_ref);
goto error;
}
}
key_revoke(key_ref_to_ptr(key_ref));