diff options
Diffstat (limited to 'sys/fs/nfsserver/nfs_nfsdserv.c')
| -rw-r--r-- | sys/fs/nfsserver/nfs_nfsdserv.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/sys/fs/nfsserver/nfs_nfsdserv.c b/sys/fs/nfsserver/nfs_nfsdserv.c index f7564ade401b..9eebcda548c6 100644 --- a/sys/fs/nfsserver/nfs_nfsdserv.c +++ b/sys/fs/nfsserver/nfs_nfsdserv.c @@ -241,7 +241,7 @@ nfsrvd_getattr(struct nfsrv_descript *nd, int isdgram, { struct nfsvattr nva; fhandle_t fh; - int at_root = 0, error = 0, supports_nfsv4acls; + int at_root = 0, error = 0, ret, supports_nfsv4acls; struct nfsreferral *refp; nfsattrbit_t attrbits, tmpbits; struct mount *mp; @@ -250,6 +250,9 @@ nfsrvd_getattr(struct nfsrv_descript *nd, int isdgram, uint64_t mounted_on_fileno = 0; accmode_t accmode; struct thread *p = curthread; + size_t atsiz; + long pathval; + bool has_hiddensystem, has_namedattr, xattrsupp; if (nd->nd_repstat) goto out; @@ -307,6 +310,26 @@ nfsrvd_getattr(struct nfsrv_descript *nd, int isdgram, &nva, &attrbits, p); if (nd->nd_repstat == 0) { supports_nfsv4acls = nfs_supportsnfsv4acls(vp); + xattrsupp = false; + if (NFSISSET_ATTRBIT(&attrbits, + NFSATTRBIT_XATTRSUPPORT)) { + ret = VOP_GETEXTATTR(vp, + EXTATTR_NAMESPACE_USER, + "xxx", NULL, &atsiz, nd->nd_cred, + p); + xattrsupp = ret != EOPNOTSUPP; + } + if (VOP_PATHCONF(vp, _PC_HAS_HIDDENSYSTEM, + &pathval) != 0) + pathval = 0; + has_hiddensystem = pathval > 0; + pathval = 0; + if (NFSISSET_ATTRBIT(&attrbits, + NFSATTRBIT_NAMEDATTR) && + VOP_PATHCONF(vp, _PC_HAS_NAMEDATTR, + &pathval) != 0) + pathval = 0; + has_namedattr = pathval > 0; mp = vp->v_mount; if (nfsrv_enable_crossmntpt != 0 && vp->v_type == VDIR && @@ -340,7 +363,9 @@ nfsrvd_getattr(struct nfsrv_descript *nd, int isdgram, (void)nfsvno_fillattr(nd, mp, vp, &nva, &fh, 0, &attrbits, nd->nd_cred, p, isdgram, 1, supports_nfsv4acls, - at_root, mounted_on_fileno); + at_root, mounted_on_fileno, + xattrsupp, has_hiddensystem, + has_namedattr); vfs_unbusy(mp); } vrele(vp); @@ -4353,9 +4378,10 @@ nfsrvd_openattr(struct nfsrv_descript *nd, __unused int isdgram, int error = 0; NFSNAMEICNDSET(&cn, nd->nd_cred, LOOKUP, OPENNAMED | ISLASTCN | - NOFOLLOW); + NOFOLLOW | LOCKLEAF); cn.cn_nameptr = "."; cn.cn_namelen = 1; + cn.cn_lkflags = LK_SHARED; NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED); if (*tl == newnfs_true) cn.cn_flags |= CREATENAMED; @@ -4374,6 +4400,8 @@ nfsrvd_openattr(struct nfsrv_descript *nd, __unused int isdgram, if (nd->nd_repstat == ENOATTR) nd->nd_repstat = NFSERR_NOENT; } + if (nd->nd_repstat == 0) + NFSVOPUNLOCK(*vpp); vput(dp); NFSEXITCODE2(0, nd); |