From 1e035d065f3415809c056fb7537320a74c718537 Mon Sep 17 00:00:00 2001 From: Frank Sorenson Date: Thu, 29 Sep 2016 10:44:39 -0500 Subject: [PATCH] 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 Signed-off-by: Anna Schumaker --- net/sunrpc/auth_unix.c | 9 +++++++++ 1 file changed, 9 insertions(+) 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, }; -- 2.30.2