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path: root/sys/fs/nfsserver/nfs_nfsdport.c
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Diffstat (limited to 'sys/fs/nfsserver/nfs_nfsdport.c')
-rw-r--r--sys/fs/nfsserver/nfs_nfsdport.c153
1 files changed, 116 insertions, 37 deletions
diff --git a/sys/fs/nfsserver/nfs_nfsdport.c b/sys/fs/nfsserver/nfs_nfsdport.c
index 3bf54d82b959..9fe3f4426124 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);
@@ -674,7 +675,7 @@ nfsvno_namei(struct nfsrv_descript *nd, struct nameidata *ndp,
}
if (islocked)
NFSVOPUNLOCK(dp);
- VREF(dp);
+ vref(dp);
*retdirp = dp;
if (NFSVNO_EXRDONLY(exp))
cnp->cn_flags |= RDONLY;
@@ -696,7 +697,7 @@ nfsvno_namei(struct nfsrv_descript *nd, struct nameidata *ndp,
goto out;
}
dp = rootvnode;
- VREF(dp);
+ vref(dp);
}
} else if ((nfsrv_enable_crossmntpt == 0 && NFSVNO_EXPORTED(exp)) ||
(nd->nd_flag & ND_NFSV4) == 0) {
@@ -813,7 +814,7 @@ nfsvno_namei(struct nfsrv_descript *nd, struct nameidata *ndp,
if (cnp->cn_pnbuf[0] == '/') {
vrele(ndp->ni_dvp);
ndp->ni_dvp = ndp->ni_rootdir;
- VREF(ndp->ni_dvp);
+ vref(ndp->ni_dvp);
}
ndp->ni_startdir = ndp->ni_dvp;
ndp->ni_dvp = NULL;
@@ -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 +2112,9 @@ 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,
+ uint32_t clone_blksize)
{
struct statfs *sf;
int error;
@@ -2106,9 +2131,11 @@ nfsvno_fillattr(struct nfsrv_descript *nd, struct mount *mp, struct vnode *vp,
sf = NULL;
}
}
+
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,
+ clone_blksize);
free(sf, M_TEMP);
NFSEXITCODE2(0, nd);
return (error);
@@ -2417,7 +2444,7 @@ nfsrvd_readdirplus(struct nfsrv_descript *nd, int isdgram,
struct vnode *vp, struct nfsexstuff *exp)
{
struct dirent *dp;
- u_int32_t *tl;
+ uint32_t clone_blksize, *tl;
int dirlen;
char *cpos, *cend, *rbuf;
struct vnode *nvp;
@@ -2425,7 +2452,7 @@ 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 +2466,9 @@ 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);
@@ -2577,6 +2607,7 @@ again:
* rpc reply
*/
if (siz == 0) {
+ateof:
vput(vp);
if (nd->nd_flag & ND_NFSV3)
nfsrv_postopattr(nd, getret, &at);
@@ -2618,6 +2649,8 @@ again:
ncookies--;
}
if (cpos >= cend || ncookies == 0) {
+ if (eofflag != 0)
+ goto ateof;
siz = fullsiz;
toff = off;
goto again;
@@ -2913,9 +2946,38 @@ again:
*tl++ = newnfs_true;
txdr_hyper(*cookiep, tl);
dirlen += nfsm_strtom(nd, dp->d_name, nlen);
+ xattrsupp = false;
+ has_hiddensystem = false;
+ has_namedattr = false;
+ clone_blksize = 0;
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;
+ pathval = 0;
+ if (VOP_PATHCONF(nvp, _PC_CLONE_BLKSIZE,
+ &pathval) != 0)
+ pathval = 0;
+ clone_blksize = pathval;
NFSVOPUNLOCK(nvp);
} else
supports_nfsv4acls = 0;
@@ -2935,13 +2997,17 @@ 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,
+ clone_blksize);
} 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,
+ clone_blksize);
}
if (nvp != NULL)
vrele(nvp);
@@ -3127,6 +3193,10 @@ nfsv4_sattr(struct nfsrv_descript *nd, vnode_t vp, struct nfsvattr *nvap,
bitpos = NFSATTRBIT_MAX;
} else {
bitpos = 0;
+ if (NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_ARCHIVE) ||
+ NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_HIDDEN) ||
+ NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_SYSTEM))
+ nvap->na_flags = 0;
}
moderet = 0;
for (; bitpos < NFSATTRBIT_MAX; bitpos++) {
@@ -3157,15 +3227,19 @@ nfsv4_sattr(struct nfsrv_descript *nd, vnode_t vp, struct nfsvattr *nvap,
attrsum += aclsize;
break;
case NFSATTRBIT_ARCHIVE:
- 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_ARCHIVE;
+ }
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 +3314,11 @@ 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:
@@ -3404,11 +3480,7 @@ nfsd_excred(struct nfsrv_descript *nd, struct nfsexstuff *exp,
NFSVNO_EXPORTANON(exp) ||
(nd->nd_flag & ND_AUTHNONE) != 0) {
nd->nd_cred->cr_uid = credanon->cr_uid;
- /*
- * 'credanon' is already a 'struct ucred' that was built
- * internally with calls to crsetgroups_fallback(), so
- * we don't need a fallback here.
- */
+ nd->nd_cred->cr_gid = credanon->cr_gid;
crsetgroups(nd->nd_cred, credanon->cr_ngroups,
credanon->cr_groups);
} else if ((nd->nd_flag & ND_GSS) == 0) {
@@ -3680,6 +3752,7 @@ nfsrv_v4rootexport(void *argp, struct ucred *cred, struct thread *p)
NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, nfsexargp->fspec);
if ((error = namei(&nd)) != 0)
goto out;
+ NDFREE_PNBUF(&nd);
error = nfsvno_getfh(nd.ni_vp, &fh, p);
vrele(nd.ni_vp);
if (!error) {
@@ -5630,7 +5703,8 @@ nfsrv_writedsdorpc(struct nfsmount *nmp, fhandle_t *fhp, off_t off, int len,
if ((nd->nd_flag & (ND_NOMOREDATA | ND_NFSV4 | ND_V4WCCATTR)) ==
(ND_NFSV4 | ND_V4WCCATTR)) {
error = nfsv4_loadattr(nd, NULL, nap, NULL, NULL, 0, NULL, NULL,
- NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL);
+ NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL);
NFSD_DEBUG(4, "nfsrv_writedsdorpc: wcc attr=%d\n", error);
if (error != 0)
goto nfsmout;
@@ -5661,7 +5735,8 @@ nfsrv_writedsdorpc(struct nfsmount *nmp, fhandle_t *fhp, off_t off, int len,
if (error == 0) {
NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
error = nfsv4_loadattr(nd, NULL, nap, NULL, NULL, 0, NULL, NULL,
- NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL);
+ NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL);
}
NFSD_DEBUG(4, "nfsrv_writedsdorpc: aft loadattr=%d\n", error);
nfsmout:
@@ -5827,7 +5902,8 @@ nfsrv_allocatedsdorpc(struct nfsmount *nmp, fhandle_t *fhp, off_t off,
if (nd->nd_repstat == 0) {
NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
error = nfsv4_loadattr(nd, NULL, nap, NULL, NULL, 0, NULL, NULL,
- NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL);
+ NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL);
} else
error = nd->nd_repstat;
NFSD_DEBUG(4, "nfsrv_allocatedsdorpc: aft loadattr=%d\n", error);
@@ -5994,7 +6070,8 @@ nfsrv_deallocatedsdorpc(struct nfsmount *nmp, fhandle_t *fhp, off_t off,
if ((nd->nd_flag & (ND_NOMOREDATA | ND_NFSV4 | ND_V4WCCATTR)) ==
(ND_NFSV4 | ND_V4WCCATTR)) {
error = nfsv4_loadattr(nd, NULL, nap, NULL, NULL, 0, NULL, NULL,
- NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL);
+ NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL);
NFSD_DEBUG(4, "nfsrv_deallocatedsdorpc: wcc attr=%d\n", error);
if (error != 0)
goto nfsmout;
@@ -6008,7 +6085,8 @@ nfsrv_deallocatedsdorpc(struct nfsmount *nmp, fhandle_t *fhp, off_t off,
if (nd->nd_repstat == 0) {
NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
error = nfsv4_loadattr(nd, NULL, nap, NULL, NULL, 0, NULL, NULL,
- NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL);
+ NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL);
} else
error = nd->nd_repstat;
NFSD_DEBUG(4, "nfsrv_deallocatedsdorpc: aft loadattr=%d\n", error);
@@ -6156,7 +6234,8 @@ nfsrv_setattrdsdorpc(fhandle_t *fhp, struct ucred *cred, NFSPROC_T *p,
if ((nd->nd_flag & (ND_NOMOREDATA | ND_NFSV4 | ND_V4WCCATTR)) ==
(ND_NFSV4 | ND_V4WCCATTR)) {
error = nfsv4_loadattr(nd, NULL, dsnap, NULL, NULL, 0, NULL,
- NULL, NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL);
+ NULL, NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL);
NFSD_DEBUG(4, "nfsrv_setattrdsdorpc: wcc attr=%d\n", error);
if (error != 0)
goto nfsmout;
@@ -6181,7 +6260,7 @@ nfsrv_setattrdsdorpc(fhandle_t *fhp, struct ucred *cred, NFSPROC_T *p,
NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
error = nfsv4_loadattr(nd, NULL, dsnap, NULL, NULL, 0, NULL,
NULL, NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL,
- NULL);
+ NULL, NULL);
}
NFSD_DEBUG(4, "nfsrv_setattrdsdorpc: aft setattr loadattr=%d\n", error);
nfsmout:
@@ -6326,7 +6405,7 @@ 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, 0);
error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
NFS_PROG, NFS_VER4, NULL, 1, NULL, NULL);
if (error != 0) {
@@ -6470,7 +6549,7 @@ nfsrv_getattrdsrpc(fhandle_t *fhp, struct ucred *cred, NFSPROC_T *p,
if (nd->nd_repstat == 0) {
error = nfsv4_loadattr(nd, NULL, nap, NULL, NULL, 0,
NULL, NULL, NULL, NULL, NULL, 0, NULL, NULL, NULL,
- NULL, NULL, NULL);
+ NULL, NULL, NULL, NULL);
/*
* We can only save the updated values in the extended
* attribute if the vp is exclusively locked.
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-25 05:42:22 +0000