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sunrpc: add auth_unix hash_cred() function

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Add a hash_cred() function for auth_unix, using both the
uid and gid from the auth_cred.

Signed-off-by: Frank Sorenson <sorenson@redhat.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Frank Sorenson 2016-09-29 10:44:39 -05:00 committed by Anna Schumaker
parent 18028c967e
commit 1e035d065f
1 changed files with 9 additions and 0 deletions
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9
net/sunrpc/auth_unix.c
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@ -46,6 +46,14 @@ unx_destroy(struct rpc_auth *auth)
rpcauth_clear_credcache(auth->au_credcache);
}
static int
unx_hash_cred(struct auth_cred *acred, unsigned int hashbits)
{
return hash_64(from_kgid(&init_user_ns, acred->gid) |
((u64)from_kuid(&init_user_ns, acred->uid) <<
(sizeof(gid_t) * 8)), hashbits);
}
/*
* Lookup AUTH_UNIX creds for current process
*/
@ -220,6 +228,7 @@ const struct rpc_authops authunix_ops = {
.au_name = "UNIX",
.create = unx_create,
.destroy = unx_destroy,
.hash_cred = unx_hash_cred,
.lookup_cred = unx_lookup_cred,
.crcreate = unx_create_cred,
};