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authorFrank Sorenson <sorenson@redhat.com>2016-09-29 10:44:39 -0500
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2016-09-30 15:45:21 -0400
commit1e035d065f3415809c056fb7537320a74c718537 (patch)
treefd5c407a7a2dc75651809d944089d6e94d7e4a53 /net
parent18028c967e423673a055a30b1bf4e603ec64026d (diff)
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sunrpc: add auth_unix hash_cred() function
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>
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/auth_unix.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/net/sunrpc/auth_unix.c b/net/sunrpc/auth_unix.c
index a99278c984e8..4c0c572af2da 100644
--- a/net/sunrpc/auth_unix.c
+++ b/net/sunrpc/auth_unix.c
@@ -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,
};