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authorFrank Sorenson <sorenson@redhat.com>2016-09-29 10:44:38 -0500
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2016-09-30 15:33:36 -0400
commit18028c967e423673a055a30b1bf4e603ec64026d (patch)
tree45d91c1c36bf5a290b536d79ccc533030a5df655 /net
parente856a231d5d5742fe7c63e3a2b266bef668af5b4 (diff)
downloadop-kernel-dev-18028c967e423673a055a30b1bf4e603ec64026d.zip
op-kernel-dev-18028c967e423673a055a30b1bf4e603ec64026d.tar.gz
sunrpc: add generic_auth hash_cred() function
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>
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/auth_generic.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/net/sunrpc/auth_generic.c b/net/sunrpc/auth_generic.c
index 1682195..0494513 100644
--- a/net/sunrpc/auth_generic.c
+++ b/net/sunrpc/auth_generic.c
@@ -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,
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