diff options
Diffstat (limited to 'sys/fs/nfsserver/nfs_nfsdport.c')
-rw-r--r-- | sys/fs/nfsserver/nfs_nfsdport.c | 93 |
1 files changed, 76 insertions, 17 deletions
diff --git a/sys/fs/nfsserver/nfs_nfsdport.c b/sys/fs/nfsserver/nfs_nfsdport.c index 3bf54d82b959..4f0d5946d6b9 100644 --- a/sys/fs/nfsserver/nfs_nfsdport.c +++ b/sys/fs/nfsserver/nfs_nfsdport.c @@ -449,6 +449,7 @@ nfsvno_getattr(struct vnode *vp, struct nfsvattr *nvap, } nvap->na_bsdflags = 0; + nvap->na_flags = 0; error = VOP_GETATTR(vp, &nvap->na_vattr, nd->nd_cred); if (lockedit != 0) NFSVOPUNLOCK(vp); @@ -1651,10 +1652,11 @@ nfsvno_rename(struct nameidata *fromndp, struct nameidata *tondp, } if (fvp == tvp) { /* - * If source and destination are the same, there is nothing to - * do. Set error to -1 to indicate this. + * If source and destination are the same, there is + * nothing to do. Set error to EJUSTRETURN to indicate + * this. */ - error = -1; + error = EJUSTRETURN; goto out; } if (nd->nd_flag & ND_NFSV4) { @@ -1696,10 +1698,26 @@ nfsvno_rename(struct nameidata *fromndp, struct nameidata *tondp, " dsdvp=%p\n", dsdvp[0]); } out: - if (!error) { + mp = NULL; + if (error == 0) { + error = VOP_GETWRITEMOUNT(tondp->ni_dvp, &mp); + if (error == 0) { + if (mp == NULL) { + error = ENOENT; + } else { + error = lockmgr(&mp->mnt_renamelock, + LK_EXCLUSIVE | LK_NOWAIT, NULL); + if (error != 0) + error = ERELOOKUP; + } + } + } + if (error == 0) { error = VOP_RENAME(fromndp->ni_dvp, fromndp->ni_vp, &fromndp->ni_cnd, tondp->ni_dvp, tondp->ni_vp, &tondp->ni_cnd); + lockmgr(&mp->mnt_renamelock, LK_RELEASE, 0); + vfs_rel(mp); } else { if (tdvp == tvp) vrele(tdvp); @@ -1709,8 +1727,13 @@ out: vput(tvp); vrele(fromndp->ni_dvp); vrele(fvp); - if (error == -1) + if (error == EJUSTRETURN) { error = 0; + } else if (error == ERELOOKUP && mp != NULL) { + lockmgr(&mp->mnt_renamelock, LK_EXCLUSIVE, 0); + lockmgr(&mp->mnt_renamelock, LK_RELEASE, 0); + vfs_rel(mp); + } } /* @@ -2089,7 +2112,8 @@ int nfsvno_fillattr(struct nfsrv_descript *nd, struct mount *mp, struct vnode *vp, struct nfsvattr *nvap, fhandle_t *fhp, int rderror, nfsattrbit_t *attrbitp, struct ucred *cred, struct thread *p, int isdgram, int reterr, - int supports_nfsv4acls, int at_root, uint64_t mounted_on_fileno) + int supports_nfsv4acls, int at_root, uint64_t mounted_on_fileno, + bool xattrsupp, bool has_hiddensystem, bool has_namedattr) { struct statfs *sf; int error; @@ -2108,7 +2132,7 @@ nfsvno_fillattr(struct nfsrv_descript *nd, struct mount *mp, struct vnode *vp, } error = nfsv4_fillattr(nd, mp, vp, NULL, &nvap->na_vattr, fhp, rderror, attrbitp, cred, p, isdgram, reterr, supports_nfsv4acls, at_root, - mounted_on_fileno, sf); + mounted_on_fileno, sf, xattrsupp, has_hiddensystem, has_namedattr); free(sf, M_TEMP); NFSEXITCODE2(0, nd); return (error); @@ -2425,7 +2449,7 @@ nfsrvd_readdirplus(struct nfsrv_descript *nd, int isdgram, struct nfsvattr nva, at, *nvap = &nva; struct mbuf *mb0, *mb1; struct nfsreferral *refp; - int nlen, r, error = 0, getret = 1, usevget = 1; + int nlen, r, error = 0, getret = 1, ret, usevget = 1; int siz, cnt, fullsiz, eofflag, ncookies, entrycnt; caddr_t bpos0, bpos1; u_int64_t off, toff, verf __unused; @@ -2439,6 +2463,9 @@ nfsrvd_readdirplus(struct nfsrv_descript *nd, int isdgram, uint64_t mounted_on_fileno; struct thread *p = curthread; int bextpg0, bextpg1, bextpgsiz0, bextpgsiz1; + size_t atsiz; + long pathval; + bool has_hiddensystem, has_namedattr, xattrsupp; if (nd->nd_repstat) { nfsrv_postopattr(nd, getret, &at); @@ -2913,9 +2940,32 @@ again: *tl++ = newnfs_true; txdr_hyper(*cookiep, tl); dirlen += nfsm_strtom(nd, dp->d_name, nlen); + xattrsupp = false; + has_hiddensystem = false; + has_namedattr = false; if (nvp != NULL) { supports_nfsv4acls = nfs_supportsnfsv4acls(nvp); + if (NFSISSET_ATTRBIT(&attrbits, + NFSATTRBIT_XATTRSUPPORT)) { + ret = VOP_GETEXTATTR(nvp, + EXTATTR_NAMESPACE_USER, + "xxx", NULL, &atsiz, + nd->nd_cred, p); + xattrsupp = ret != EOPNOTSUPP; + } + if (VOP_PATHCONF(nvp, + _PC_HAS_HIDDENSYSTEM, &pathval) != + 0) + pathval = 0; + has_hiddensystem = pathval > 0; + pathval = 0; + if (NFSISSET_ATTRBIT(&attrbits, + NFSATTRBIT_NAMEDATTR) && + VOP_PATHCONF(nvp, _PC_HAS_NAMEDATTR, + &pathval) != 0) + pathval = 0; + has_namedattr = pathval > 0; NFSVOPUNLOCK(nvp); } else supports_nfsv4acls = 0; @@ -2935,13 +2985,15 @@ again: nvp, nvap, &nfh, r, &rderrbits, nd->nd_cred, p, isdgram, 0, supports_nfsv4acls, at_root, - mounted_on_fileno); + mounted_on_fileno, xattrsupp, + has_hiddensystem, has_namedattr); } else { dirlen += nfsvno_fillattr(nd, new_mp, nvp, nvap, &nfh, r, &attrbits, nd->nd_cred, p, isdgram, 0, supports_nfsv4acls, at_root, - mounted_on_fileno); + mounted_on_fileno, xattrsupp, + has_hiddensystem, has_namedattr); } if (nvp != NULL) vrele(nvp); @@ -3127,6 +3179,9 @@ nfsv4_sattr(struct nfsrv_descript *nd, vnode_t vp, struct nfsvattr *nvap, bitpos = NFSATTRBIT_MAX; } else { bitpos = 0; + if (NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_HIDDEN) || + NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_SYSTEM)) + nvap->na_flags = 0; } moderet = 0; for (; bitpos < NFSATTRBIT_MAX; bitpos++) { @@ -3163,9 +3218,11 @@ nfsv4_sattr(struct nfsrv_descript *nd, vnode_t vp, struct nfsvattr *nvap, attrsum += NFSX_UNSIGNED; break; case NFSATTRBIT_HIDDEN: - NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED); - if (!nd->nd_repstat) - nd->nd_repstat = NFSERR_ATTRNOTSUPP; + NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED); + if (nd->nd_repstat == 0) { + if (*tl == newnfs_true) + nvap->na_flags |= UF_HIDDEN; + } attrsum += NFSX_UNSIGNED; break; case NFSATTRBIT_MIMETYPE: @@ -3240,9 +3297,11 @@ nfsv4_sattr(struct nfsrv_descript *nd, vnode_t vp, struct nfsvattr *nvap, attrsum += (NFSX_UNSIGNED + NFSM_RNDUP(j)); break; case NFSATTRBIT_SYSTEM: - NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED); - if (!nd->nd_repstat) - nd->nd_repstat = NFSERR_ATTRNOTSUPP; + NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED); + if (nd->nd_repstat == 0) { + if (*tl == newnfs_true) + nvap->na_flags |= UF_SYSTEM; + } attrsum += NFSX_UNSIGNED; break; case NFSATTRBIT_TIMEACCESSSET: @@ -6326,7 +6385,7 @@ nfsrv_setacldsdorpc(fhandle_t *fhp, struct ucred *cred, NFSPROC_T *p, * the same type (VREG). */ nfsv4_fillattr(nd, NULL, vp, aclp, NULL, NULL, 0, &attrbits, NULL, - NULL, 0, 0, 0, 0, 0, NULL); + NULL, 0, 0, 0, 0, 0, NULL, false, false, false); error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred, NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL); if (error != 0) { |