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sunrpc: add generic_auth hash_cred() function

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Add a hash_cred() function for generic_auth, 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 10:44:38 -05:00 committed by Anna Schumaker
parent e856a231d5
commit 18028c967e
1 changed files with 9 additions and 0 deletions
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9
net/sunrpc/auth_generic.c
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@ -78,6 +78,14 @@ static struct rpc_cred *generic_bind_cred(struct rpc_task *task,
return auth->au_ops->lookup_cred(auth, acred, lookupflags);
}
static int
generic_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 generic creds for current process
*/
@ -258,6 +266,7 @@ generic_key_timeout(struct rpc_auth *auth, struct rpc_cred *cred)
static const struct rpc_authops generic_auth_ops = {
.owner = THIS_MODULE,
.au_name = "Generic",
.hash_cred = generic_hash_cred,
.lookup_cred = generic_lookup_cred,
.crcreate = generic_create_cred,
.key_timeout = generic_key_timeout,