diff options
Diffstat (limited to 'fs/nfsd/nfs4state.c')
| -rw-r--r-- | fs/nfsd/nfs4state.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index ca9ebc3242d3..421935f3d909 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -3829,7 +3829,8 @@ static struct nfs4_delegation *find_deleg_stateid(struct nfs4_client *cl, statei { struct nfs4_stid *ret; - ret = find_stateid_by_type(cl, s, NFS4_DELEG_STID); + ret = find_stateid_by_type(cl, s, + NFS4_DELEG_STID|NFS4_REVOKED_DELEG_STID); if (!ret) return NULL; return delegstateid(ret); @@ -3852,6 +3853,12 @@ nfs4_check_deleg(struct nfs4_client *cl, struct nfsd4_open *open, deleg = find_deleg_stateid(cl, &open->op_delegate_stateid); if (deleg == NULL) goto out; + if (deleg->dl_stid.sc_type == NFS4_REVOKED_DELEG_STID) { + nfs4_put_stid(&deleg->dl_stid); + if (cl->cl_minorversion) + status = nfserr_deleg_revoked; + goto out; + } flags = share_access_to_flags(open->op_share_access); status = nfs4_check_delegmode(deleg, flags); if (status) { @@ -4696,6 +4703,16 @@ nfsd4_lookup_stateid(struct nfsd4_compound_state *cstate, struct nfs4_stid **s, struct nfsd_net *nn) { __be32 status; + bool return_revoked = false; + + /* + * only return revoked delegations if explicitly asked. + * otherwise we report revoked or bad_stateid status. + */ + if (typemask & NFS4_REVOKED_DELEG_STID) + return_revoked = true; + else if (typemask & NFS4_DELEG_STID) + typemask |= NFS4_REVOKED_DELEG_STID; if (ZERO_STATEID(stateid) || ONE_STATEID(stateid)) return nfserr_bad_stateid; @@ -4710,6 +4727,12 @@ nfsd4_lookup_stateid(struct nfsd4_compound_state *cstate, *s = find_stateid_by_type(cstate->clp, stateid, typemask); if (!*s) return nfserr_bad_stateid; + if (((*s)->sc_type == NFS4_REVOKED_DELEG_STID) && !return_revoked) { + nfs4_put_stid(*s); + if (cstate->minorversion) + return nfserr_deleg_revoked; + return nfserr_bad_stateid; + } return nfs_ok; } |