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| author | Frank Sorenson <sorenson@redhat.com> | 2016-09-29 17:44:38 +0200 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2016-09-30 21:33:36 +0200 |
| commit | 18028c967e423673a055a30b1bf4e603ec64026d (patch) | |
| tree | 45d91c1c36bf5a290b536d79ccc533030a5df655 /net/sunrpc/auth_generic.c | |
| parent | sunrpc: add hash_cred() function to rpc_authops struct (diff) | |
| download | linux-18028c967e423673a055a30b1bf4e603ec64026d.tar.xz linux-18028c967e423673a055a30b1bf4e603ec64026d.zip | |
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/sunrpc/auth_generic.c')
| -rw-r--r-- | net/sunrpc/auth_generic.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/net/sunrpc/auth_generic.c b/net/sunrpc/auth_generic.c index 168219535a34..0494513c8e4b 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, |