diff options
| author | NeilBrown <neilb@suse.com> | 2018-12-03 03:30:30 +0300 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2018-12-19 21:52:45 +0300 |
| commit | ddf529eeed59184c49dcad1633c11831f822bf6b (patch) | |
| tree | c648594f18928ae2897f01ade6ca8ef337cec46f /net/sunrpc/auth_gss | |
| parent | 1de7eea92946d7b581a8cd26084410913c80e594 (diff) | |
| download | linux-ddf529eeed59184c49dcad1633c11831f822bf6b.tar.xz | |
NFS: move credential expiry tracking out of SUNRPC into NFS.
NFS needs to know when a credential is about to expire so that
it can modify write-back behaviour to finish the write inside the
expiry time.
It currently uses functions in SUNRPC code which make use of a
fairly complex callback scheme and flags in the generic credientials.
As I am working to discard the generic credentials, this has to change.
This patch moves the logic into NFS, in part by finding and caching
the low-level credential in the open_context. We then make direct
cred-api calls on that.
This makes the code much simpler and removes a dependency on generic
rpc credentials.
Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/auth_gss')
| -rw-r--r-- | net/sunrpc/auth_gss/auth_gss.c | 21 |
1 files changed, 4 insertions, 17 deletions
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index b218e15b61cb..03a1cd5bfb43 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -1517,23 +1517,10 @@ out: if (gss_cred->gc_principal == NULL) return 0; ret = strcmp(acred->principal, gss_cred->gc_principal) == 0; - goto check_expire; - } - if (gss_cred->gc_principal != NULL) - return 0; - ret = uid_eq(rc->cr_uid, acred->cred->fsuid); - -check_expire: - if (ret == 0) - return ret; - - /* Notify acred users of GSS context expiration timeout */ - if (test_bit(RPC_CRED_NOTIFY_TIMEOUT, &acred->ac_flags) && - (gss_key_timeout(rc) != 0)) { - /* test will now be done from generic cred */ - test_and_clear_bit(RPC_CRED_NOTIFY_TIMEOUT, &acred->ac_flags); - /* tell NFS layer that key will expire soon */ - set_bit(RPC_CRED_KEY_EXPIRE_SOON, &acred->ac_flags); + } else { + if (gss_cred->gc_principal != NULL) + return 0; + ret = uid_eq(rc->cr_uid, acred->cred->fsuid); } return ret; } |