4820 lines
133 KiB
C
4820 lines
133 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Rick Macklem at The University of Guelph.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* nfs version 2, 3 and 4 server calls to vnode ops
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* - these routines generally have 3 phases
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* 1 - break down and validate rpc request in mbuf list
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* 2 - do the vnode ops for the request, usually by calling a nfsvno_XXX()
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* function in nfsd_port.c
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* 3 - build the rpc reply in an mbuf list
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* For nfsv4, these functions are called for each Op within the Compound RPC.
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*/
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#ifndef APPLEKEXT
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#include <fs/nfs/nfsport.h>
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/* Global vars */
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extern u_int32_t newnfs_false, newnfs_true;
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extern enum vtype nv34tov_type[8];
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extern struct timeval nfsboottime;
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extern int nfs_rootfhset;
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extern int nfsrv_enable_crossmntpt;
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extern int nfsrv_statehashsize;
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extern int nfsrv_layouthashsize;
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extern time_t nfsdev_time;
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extern volatile int nfsrv_devidcnt;
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extern int nfsd_debuglevel;
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extern u_long sb_max_adj;
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extern int nfsrv_pnfsatime;
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extern int nfsrv_maxpnfsmirror;
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#endif /* !APPLEKEXT */
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static int nfs_async = 0;
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SYSCTL_DECL(_vfs_nfsd);
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SYSCTL_INT(_vfs_nfsd, OID_AUTO, async, CTLFLAG_RW, &nfs_async, 0,
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"Tell client that writes were synced even though they were not");
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extern int nfsrv_doflexfile;
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SYSCTL_INT(_vfs_nfsd, OID_AUTO, default_flexfile, CTLFLAG_RW,
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&nfsrv_doflexfile, 0, "Make Flex File Layout the default for pNFS");
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/*
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* This list defines the GSS mechanisms supported.
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* (Don't ask me how you get these strings from the RFC stuff like
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* iso(1), org(3)... but someone did it, so I don't need to know.)
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*/
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static struct nfsgss_mechlist nfsgss_mechlist[] = {
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{ 9, "\052\206\110\206\367\022\001\002\002", 11 },
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{ 0, "", 0 },
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};
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/* local functions */
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static void nfsrvd_symlinksub(struct nfsrv_descript *nd, struct nameidata *ndp,
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struct nfsvattr *nvap, fhandle_t *fhp, vnode_t *vpp,
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vnode_t dirp, struct nfsvattr *dirforp, struct nfsvattr *diraftp,
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int *diraft_retp, nfsattrbit_t *attrbitp,
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NFSACL_T *aclp, NFSPROC_T *p, struct nfsexstuff *exp, char *pathcp,
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int pathlen);
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static void nfsrvd_mkdirsub(struct nfsrv_descript *nd, struct nameidata *ndp,
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struct nfsvattr *nvap, fhandle_t *fhp, vnode_t *vpp,
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vnode_t dirp, struct nfsvattr *dirforp, struct nfsvattr *diraftp,
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int *diraft_retp, nfsattrbit_t *attrbitp, NFSACL_T *aclp,
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NFSPROC_T *p, struct nfsexstuff *exp);
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/*
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* nfs access service (not a part of NFS V2)
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*/
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APPLESTATIC int
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nfsrvd_access(struct nfsrv_descript *nd, __unused int isdgram,
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vnode_t vp, struct nfsexstuff *exp)
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{
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u_int32_t *tl;
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int getret, error = 0;
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struct nfsvattr nva;
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u_int32_t testmode, nfsmode, supported = 0;
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accmode_t deletebit;
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struct thread *p = curthread;
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if (nd->nd_repstat) {
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nfsrv_postopattr(nd, 1, &nva);
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goto out;
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}
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NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
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nfsmode = fxdr_unsigned(u_int32_t, *tl);
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if ((nd->nd_flag & ND_NFSV4) &&
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(nfsmode & ~(NFSACCESS_READ | NFSACCESS_LOOKUP |
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NFSACCESS_MODIFY | NFSACCESS_EXTEND | NFSACCESS_DELETE |
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NFSACCESS_EXECUTE))) {
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nd->nd_repstat = NFSERR_INVAL;
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vput(vp);
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goto out;
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}
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if (nfsmode & NFSACCESS_READ) {
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supported |= NFSACCESS_READ;
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if (nfsvno_accchk(vp, VREAD, nd->nd_cred, exp, p,
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NFSACCCHK_NOOVERRIDE, NFSACCCHK_VPISLOCKED, &supported))
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nfsmode &= ~NFSACCESS_READ;
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}
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if (nfsmode & NFSACCESS_MODIFY) {
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supported |= NFSACCESS_MODIFY;
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if (nfsvno_accchk(vp, VWRITE, nd->nd_cred, exp, p,
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NFSACCCHK_NOOVERRIDE, NFSACCCHK_VPISLOCKED, &supported))
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nfsmode &= ~NFSACCESS_MODIFY;
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}
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if (nfsmode & NFSACCESS_EXTEND) {
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supported |= NFSACCESS_EXTEND;
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if (nfsvno_accchk(vp, VWRITE | VAPPEND, nd->nd_cred, exp, p,
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NFSACCCHK_NOOVERRIDE, NFSACCCHK_VPISLOCKED, &supported))
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nfsmode &= ~NFSACCESS_EXTEND;
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}
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if (nfsmode & NFSACCESS_DELETE) {
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supported |= NFSACCESS_DELETE;
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if (vp->v_type == VDIR)
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deletebit = VDELETE_CHILD;
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else
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deletebit = VDELETE;
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if (nfsvno_accchk(vp, deletebit, nd->nd_cred, exp, p,
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NFSACCCHK_NOOVERRIDE, NFSACCCHK_VPISLOCKED, &supported))
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nfsmode &= ~NFSACCESS_DELETE;
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}
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if (vnode_vtype(vp) == VDIR)
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testmode = NFSACCESS_LOOKUP;
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else
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testmode = NFSACCESS_EXECUTE;
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if (nfsmode & testmode) {
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supported |= (nfsmode & testmode);
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if (nfsvno_accchk(vp, VEXEC, nd->nd_cred, exp, p,
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NFSACCCHK_NOOVERRIDE, NFSACCCHK_VPISLOCKED, &supported))
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nfsmode &= ~testmode;
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}
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nfsmode &= supported;
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if (nd->nd_flag & ND_NFSV3) {
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getret = nfsvno_getattr(vp, &nva, nd, p, 1, NULL);
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nfsrv_postopattr(nd, getret, &nva);
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}
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vput(vp);
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if (nd->nd_flag & ND_NFSV4) {
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NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
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*tl++ = txdr_unsigned(supported);
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} else
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NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
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*tl = txdr_unsigned(nfsmode);
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out:
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NFSEXITCODE2(0, nd);
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return (0);
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nfsmout:
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vput(vp);
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NFSEXITCODE2(error, nd);
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return (error);
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}
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/*
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* nfs getattr service
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*/
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APPLESTATIC int
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nfsrvd_getattr(struct nfsrv_descript *nd, int isdgram,
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vnode_t vp, __unused struct nfsexstuff *exp)
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{
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struct nfsvattr nva;
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fhandle_t fh;
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int at_root = 0, error = 0, supports_nfsv4acls;
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struct nfsreferral *refp;
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nfsattrbit_t attrbits, tmpbits;
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struct mount *mp;
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struct vnode *tvp = NULL;
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struct vattr va;
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uint64_t mounted_on_fileno = 0;
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accmode_t accmode;
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struct thread *p = curthread;
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if (nd->nd_repstat)
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goto out;
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if (nd->nd_flag & ND_NFSV4) {
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error = nfsrv_getattrbits(nd, &attrbits, NULL, NULL);
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if (error) {
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vput(vp);
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goto out;
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}
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/*
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* Check for a referral.
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*/
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refp = nfsv4root_getreferral(vp, NULL, 0);
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if (refp != NULL) {
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(void) nfsrv_putreferralattr(nd, &attrbits, refp, 1,
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&nd->nd_repstat);
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vput(vp);
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goto out;
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}
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if (nd->nd_repstat == 0) {
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accmode = 0;
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NFSSET_ATTRBIT(&tmpbits, &attrbits);
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/*
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* GETATTR with write-only attr time_access_set and time_modify_set
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* should return NFS4ERR_INVAL.
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*/
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if (NFSISSET_ATTRBIT(&tmpbits, NFSATTRBIT_TIMEACCESSSET) ||
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NFSISSET_ATTRBIT(&tmpbits, NFSATTRBIT_TIMEMODIFYSET)){
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error = NFSERR_INVAL;
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vput(vp);
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goto out;
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}
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if (NFSISSET_ATTRBIT(&tmpbits, NFSATTRBIT_ACL)) {
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NFSCLRBIT_ATTRBIT(&tmpbits, NFSATTRBIT_ACL);
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accmode |= VREAD_ACL;
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}
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if (NFSNONZERO_ATTRBIT(&tmpbits))
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accmode |= VREAD_ATTRIBUTES;
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if (accmode != 0)
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nd->nd_repstat = nfsvno_accchk(vp, accmode,
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nd->nd_cred, exp, p, NFSACCCHK_NOOVERRIDE,
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NFSACCCHK_VPISLOCKED, NULL);
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}
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}
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if (!nd->nd_repstat)
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nd->nd_repstat = nfsvno_getattr(vp, &nva, nd, p, 1, &attrbits);
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if (!nd->nd_repstat) {
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if (nd->nd_flag & ND_NFSV4) {
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if (NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_FILEHANDLE))
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nd->nd_repstat = nfsvno_getfh(vp, &fh, p);
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if (!nd->nd_repstat)
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nd->nd_repstat = nfsrv_checkgetattr(nd, vp,
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&nva, &attrbits, p);
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if (nd->nd_repstat == 0) {
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supports_nfsv4acls = nfs_supportsnfsv4acls(vp);
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mp = vp->v_mount;
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if (nfsrv_enable_crossmntpt != 0 &&
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vp->v_type == VDIR &&
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(vp->v_vflag & VV_ROOT) != 0 &&
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vp != rootvnode) {
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tvp = mp->mnt_vnodecovered;
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VREF(tvp);
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at_root = 1;
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} else
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at_root = 0;
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vfs_ref(mp);
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NFSVOPUNLOCK(vp, 0);
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if (at_root != 0) {
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if ((nd->nd_repstat =
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NFSVOPLOCK(tvp, LK_SHARED)) == 0) {
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nd->nd_repstat = VOP_GETATTR(
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tvp, &va, nd->nd_cred);
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vput(tvp);
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} else
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vrele(tvp);
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if (nd->nd_repstat == 0)
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mounted_on_fileno = (uint64_t)
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va.va_fileid;
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else
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at_root = 0;
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}
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if (nd->nd_repstat == 0)
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nd->nd_repstat = vfs_busy(mp, 0);
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vfs_rel(mp);
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if (nd->nd_repstat == 0) {
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(void)nfsvno_fillattr(nd, mp, vp, &nva,
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&fh, 0, &attrbits, nd->nd_cred, p,
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isdgram, 1, supports_nfsv4acls,
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at_root, mounted_on_fileno);
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vfs_unbusy(mp);
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}
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vrele(vp);
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} else
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vput(vp);
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} else {
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nfsrv_fillattr(nd, &nva);
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vput(vp);
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}
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} else {
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vput(vp);
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}
|
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out:
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NFSEXITCODE2(error, nd);
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return (error);
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}
|
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|
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/*
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* nfs setattr service
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*/
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APPLESTATIC int
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nfsrvd_setattr(struct nfsrv_descript *nd, __unused int isdgram,
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vnode_t vp, struct nfsexstuff *exp)
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{
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struct nfsvattr nva, nva2;
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u_int32_t *tl;
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int preat_ret = 1, postat_ret = 1, gcheck = 0, error = 0;
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int gotproxystateid;
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struct timespec guard = { 0, 0 };
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nfsattrbit_t attrbits, retbits;
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nfsv4stateid_t stateid;
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NFSACL_T *aclp = NULL;
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struct thread *p = curthread;
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if (nd->nd_repstat) {
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nfsrv_wcc(nd, preat_ret, &nva2, postat_ret, &nva);
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goto out;
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}
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#ifdef NFS4_ACL_EXTATTR_NAME
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aclp = acl_alloc(M_WAITOK);
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aclp->acl_cnt = 0;
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#endif
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gotproxystateid = 0;
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NFSVNO_ATTRINIT(&nva);
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if (nd->nd_flag & ND_NFSV4) {
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NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID);
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stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
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stateid.other[0] = *tl++;
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stateid.other[1] = *tl++;
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stateid.other[2] = *tl;
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if (stateid.other[0] == 0x55555555 &&
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stateid.other[1] == 0x55555555 &&
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stateid.other[2] == 0x55555555 &&
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stateid.seqid == 0xffffffff)
|
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gotproxystateid = 1;
|
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}
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error = nfsrv_sattr(nd, vp, &nva, &attrbits, aclp, p);
|
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if (error)
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goto nfsmout;
|
|
|
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/* For NFSv4, only va_uid is used from nva2. */
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|
NFSZERO_ATTRBIT(&retbits);
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NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_OWNER);
|
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preat_ret = nfsvno_getattr(vp, &nva2, nd, p, 1, &retbits);
|
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if (!nd->nd_repstat)
|
|
nd->nd_repstat = preat_ret;
|
|
|
|
NFSZERO_ATTRBIT(&retbits);
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
gcheck = fxdr_unsigned(int, *tl);
|
|
if (gcheck) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
fxdr_nfsv3time(tl, &guard);
|
|
}
|
|
if (!nd->nd_repstat && gcheck &&
|
|
(nva2.na_ctime.tv_sec != guard.tv_sec ||
|
|
nva2.na_ctime.tv_nsec != guard.tv_nsec))
|
|
nd->nd_repstat = NFSERR_NOT_SYNC;
|
|
if (nd->nd_repstat) {
|
|
vput(vp);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
nfsrv_wcc(nd, preat_ret, &nva2, postat_ret, &nva);
|
|
goto out;
|
|
}
|
|
} else if (!nd->nd_repstat && (nd->nd_flag & ND_NFSV4))
|
|
nd->nd_repstat = nfsrv_checkuidgid(nd, &nva);
|
|
|
|
/*
|
|
* Now that we have all the fields, lets do it.
|
|
* If the size is being changed write access is required, otherwise
|
|
* just check for a read only file system.
|
|
*/
|
|
if (!nd->nd_repstat) {
|
|
if (NFSVNO_NOTSETSIZE(&nva)) {
|
|
if (NFSVNO_EXRDONLY(exp) ||
|
|
(vfs_flags(vnode_mount(vp)) & MNT_RDONLY))
|
|
nd->nd_repstat = EROFS;
|
|
} else {
|
|
if (vnode_vtype(vp) != VREG)
|
|
nd->nd_repstat = EINVAL;
|
|
else if (nva2.na_uid != nd->nd_cred->cr_uid ||
|
|
NFSVNO_EXSTRICTACCESS(exp))
|
|
nd->nd_repstat = nfsvno_accchk(vp,
|
|
VWRITE, nd->nd_cred, exp, p,
|
|
NFSACCCHK_NOOVERRIDE,
|
|
NFSACCCHK_VPISLOCKED, NULL);
|
|
}
|
|
}
|
|
/*
|
|
* Proxy operations from the MDS are allowed via the all 0s special
|
|
* stateid.
|
|
*/
|
|
if (nd->nd_repstat == 0 && (nd->nd_flag & ND_NFSV4) != 0 &&
|
|
gotproxystateid == 0)
|
|
nd->nd_repstat = nfsrv_checksetattr(vp, nd, &stateid,
|
|
&nva, &attrbits, exp, p);
|
|
|
|
if (!nd->nd_repstat && (nd->nd_flag & ND_NFSV4)) {
|
|
/*
|
|
* For V4, try setting the attrbutes in sets, so that the
|
|
* reply bitmap will be correct for an error case.
|
|
*/
|
|
if (NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_OWNER) ||
|
|
NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_OWNERGROUP)) {
|
|
NFSVNO_ATTRINIT(&nva2);
|
|
NFSVNO_SETATTRVAL(&nva2, uid, nva.na_uid);
|
|
NFSVNO_SETATTRVAL(&nva2, gid, nva.na_gid);
|
|
nd->nd_repstat = nfsvno_setattr(vp, &nva2, nd->nd_cred, p,
|
|
exp);
|
|
if (!nd->nd_repstat) {
|
|
if (NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_OWNER))
|
|
NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_OWNER);
|
|
if (NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_OWNERGROUP))
|
|
NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_OWNERGROUP);
|
|
}
|
|
}
|
|
if (!nd->nd_repstat &&
|
|
NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_SIZE)) {
|
|
NFSVNO_ATTRINIT(&nva2);
|
|
NFSVNO_SETATTRVAL(&nva2, size, nva.na_size);
|
|
nd->nd_repstat = nfsvno_setattr(vp, &nva2, nd->nd_cred, p,
|
|
exp);
|
|
if (!nd->nd_repstat)
|
|
NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_SIZE);
|
|
}
|
|
if (!nd->nd_repstat &&
|
|
(NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_TIMEACCESSSET) ||
|
|
NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_TIMEMODIFYSET))) {
|
|
NFSVNO_ATTRINIT(&nva2);
|
|
NFSVNO_SETATTRVAL(&nva2, atime, nva.na_atime);
|
|
NFSVNO_SETATTRVAL(&nva2, mtime, nva.na_mtime);
|
|
if (nva.na_vaflags & VA_UTIMES_NULL) {
|
|
nva2.na_vaflags |= VA_UTIMES_NULL;
|
|
NFSVNO_SETACTIVE(&nva2, vaflags);
|
|
}
|
|
nd->nd_repstat = nfsvno_setattr(vp, &nva2, nd->nd_cred, p,
|
|
exp);
|
|
if (!nd->nd_repstat) {
|
|
if (NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_TIMEACCESSSET))
|
|
NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_TIMEACCESSSET);
|
|
if (NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_TIMEMODIFYSET))
|
|
NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_TIMEMODIFYSET);
|
|
}
|
|
}
|
|
if (!nd->nd_repstat &&
|
|
NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_MODE)) {
|
|
NFSVNO_ATTRINIT(&nva2);
|
|
NFSVNO_SETATTRVAL(&nva2, mode, nva.na_mode);
|
|
nd->nd_repstat = nfsvno_setattr(vp, &nva2, nd->nd_cred, p,
|
|
exp);
|
|
if (!nd->nd_repstat)
|
|
NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_MODE);
|
|
}
|
|
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
if (!nd->nd_repstat && aclp->acl_cnt > 0 &&
|
|
NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_ACL)) {
|
|
nd->nd_repstat = nfsrv_setacl(vp, aclp, nd->nd_cred, p);
|
|
if (!nd->nd_repstat)
|
|
NFSSETBIT_ATTRBIT(&retbits, NFSATTRBIT_ACL);
|
|
}
|
|
#endif
|
|
} else if (!nd->nd_repstat) {
|
|
nd->nd_repstat = nfsvno_setattr(vp, &nva, nd->nd_cred, p,
|
|
exp);
|
|
}
|
|
if (nd->nd_flag & (ND_NFSV2 | ND_NFSV3)) {
|
|
postat_ret = nfsvno_getattr(vp, &nva, nd, p, 1, NULL);
|
|
if (!nd->nd_repstat)
|
|
nd->nd_repstat = postat_ret;
|
|
}
|
|
vput(vp);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
nfsrv_wcc(nd, preat_ret, &nva2, postat_ret, &nva);
|
|
else if (nd->nd_flag & ND_NFSV4)
|
|
(void) nfsrv_putattrbit(nd, &retbits);
|
|
else if (!nd->nd_repstat)
|
|
nfsrv_fillattr(nd, &nva);
|
|
|
|
out:
|
|
NFSEXITCODE2(0, nd);
|
|
return (0);
|
|
nfsmout:
|
|
vput(vp);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
/*
|
|
* For all nd_repstat, the V4 reply includes a bitmap,
|
|
* even NFSERR_BADXDR, which is what this will end up
|
|
* returning.
|
|
*/
|
|
(void) nfsrv_putattrbit(nd, &retbits);
|
|
}
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs lookup rpc
|
|
* (Also performs lookup parent for v4)
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_lookup(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t dp, vnode_t *vpp, fhandle_t *fhp, struct nfsexstuff *exp)
|
|
{
|
|
struct nameidata named;
|
|
vnode_t vp, dirp = NULL;
|
|
int error = 0, dattr_ret = 1;
|
|
struct nfsvattr nva, dattr;
|
|
char *bufp;
|
|
u_long *hashp;
|
|
struct thread *p = curthread;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_postopattr(nd, dattr_ret, &dattr);
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* For some reason, if dp is a symlink, the error
|
|
* returned is supposed to be NFSERR_SYMLINK and not NFSERR_NOTDIR.
|
|
*/
|
|
if (dp->v_type == VLNK && (nd->nd_flag & ND_NFSV4)) {
|
|
nd->nd_repstat = NFSERR_SYMLINK;
|
|
vrele(dp);
|
|
goto out;
|
|
}
|
|
|
|
NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, LOOKUP,
|
|
LOCKLEAF | SAVESTART);
|
|
nfsvno_setpathbuf(&named, &bufp, &hashp);
|
|
error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
|
|
if (error) {
|
|
vrele(dp);
|
|
nfsvno_relpathbuf(&named);
|
|
goto out;
|
|
}
|
|
if (!nd->nd_repstat) {
|
|
nd->nd_repstat = nfsvno_namei(nd, &named, dp, 0, exp, p, &dirp);
|
|
} else {
|
|
vrele(dp);
|
|
nfsvno_relpathbuf(&named);
|
|
}
|
|
if (nd->nd_repstat) {
|
|
if (dirp) {
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
dattr_ret = nfsvno_getattr(dirp, &dattr, nd, p,
|
|
0, NULL);
|
|
vrele(dirp);
|
|
}
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
nfsrv_postopattr(nd, dattr_ret, &dattr);
|
|
goto out;
|
|
}
|
|
if (named.ni_startdir)
|
|
vrele(named.ni_startdir);
|
|
nfsvno_relpathbuf(&named);
|
|
vp = named.ni_vp;
|
|
if ((nd->nd_flag & ND_NFSV4) != 0 && !NFSVNO_EXPORTED(exp) &&
|
|
vp->v_type != VDIR && vp->v_type != VLNK)
|
|
/*
|
|
* Only allow lookup of VDIR and VLNK for traversal of
|
|
* non-exported volumes during NFSv4 mounting.
|
|
*/
|
|
nd->nd_repstat = ENOENT;
|
|
if (nd->nd_repstat == 0)
|
|
nd->nd_repstat = nfsvno_getfh(vp, fhp, p);
|
|
if (!(nd->nd_flag & ND_NFSV4) && !nd->nd_repstat)
|
|
nd->nd_repstat = nfsvno_getattr(vp, &nva, nd, p, 1, NULL);
|
|
if (vpp != NULL && nd->nd_repstat == 0)
|
|
*vpp = vp;
|
|
else
|
|
vput(vp);
|
|
if (dirp) {
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
dattr_ret = nfsvno_getattr(dirp, &dattr, nd, p, 0,
|
|
NULL);
|
|
vrele(dirp);
|
|
}
|
|
if (nd->nd_repstat) {
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
nfsrv_postopattr(nd, dattr_ret, &dattr);
|
|
goto out;
|
|
}
|
|
if (nd->nd_flag & ND_NFSV2) {
|
|
(void) nfsm_fhtom(nd, (u_int8_t *)fhp, 0, 0);
|
|
nfsrv_fillattr(nd, &nva);
|
|
} else if (nd->nd_flag & ND_NFSV3) {
|
|
(void) nfsm_fhtom(nd, (u_int8_t *)fhp, 0, 0);
|
|
nfsrv_postopattr(nd, 0, &nva);
|
|
nfsrv_postopattr(nd, dattr_ret, &dattr);
|
|
}
|
|
|
|
out:
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs readlink service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_readlink(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
mbuf_t mp = NULL, mpend = NULL;
|
|
int getret = 1, len;
|
|
struct nfsvattr nva;
|
|
struct thread *p = curthread;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_postopattr(nd, getret, &nva);
|
|
goto out;
|
|
}
|
|
if (vnode_vtype(vp) != VLNK) {
|
|
if (nd->nd_flag & ND_NFSV2)
|
|
nd->nd_repstat = ENXIO;
|
|
else
|
|
nd->nd_repstat = EINVAL;
|
|
}
|
|
if (!nd->nd_repstat)
|
|
nd->nd_repstat = nfsvno_readlink(vp, nd->nd_cred, p,
|
|
&mp, &mpend, &len);
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
getret = nfsvno_getattr(vp, &nva, nd, p, 1, NULL);
|
|
vput(vp);
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
nfsrv_postopattr(nd, getret, &nva);
|
|
if (nd->nd_repstat)
|
|
goto out;
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(len);
|
|
mbuf_setnext(nd->nd_mb, mp);
|
|
nd->nd_mb = mpend;
|
|
nd->nd_bpos = NFSMTOD(mpend, caddr_t) + mbuf_len(mpend);
|
|
|
|
out:
|
|
NFSEXITCODE2(0, nd);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* nfs read service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_read(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
int error = 0, cnt, getret = 1, gotproxystateid, reqlen, eof = 0;
|
|
mbuf_t m2, m3;
|
|
struct nfsvattr nva;
|
|
off_t off = 0x0;
|
|
struct nfsstate st, *stp = &st;
|
|
struct nfslock lo, *lop = &lo;
|
|
nfsv4stateid_t stateid;
|
|
nfsquad_t clientid;
|
|
struct thread *p = curthread;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_postopattr(nd, getret, &nva);
|
|
goto out;
|
|
}
|
|
if (nd->nd_flag & ND_NFSV2) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
off = (off_t)fxdr_unsigned(u_int32_t, *tl++);
|
|
reqlen = fxdr_unsigned(int, *tl);
|
|
} else if (nd->nd_flag & ND_NFSV3) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
|
|
off = fxdr_hyper(tl);
|
|
tl += 2;
|
|
reqlen = fxdr_unsigned(int, *tl);
|
|
} else {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID + 3*NFSX_UNSIGNED);
|
|
reqlen = fxdr_unsigned(int, *(tl + 6));
|
|
}
|
|
if (reqlen > NFS_SRVMAXDATA(nd)) {
|
|
reqlen = NFS_SRVMAXDATA(nd);
|
|
} else if (reqlen < 0) {
|
|
error = EBADRPC;
|
|
goto nfsmout;
|
|
}
|
|
gotproxystateid = 0;
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
stp->ls_flags = (NFSLCK_CHECK | NFSLCK_READACCESS);
|
|
lop->lo_flags = NFSLCK_READ;
|
|
stp->ls_ownerlen = 0;
|
|
stp->ls_op = NULL;
|
|
stp->ls_uid = nd->nd_cred->cr_uid;
|
|
stp->ls_stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
|
|
clientid.lval[0] = stp->ls_stateid.other[0] = *tl++;
|
|
clientid.lval[1] = stp->ls_stateid.other[1] = *tl++;
|
|
if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
clientid.qval = nd->nd_clientid.qval;
|
|
else if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK1 multiple clids\n");
|
|
} else {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
printf("EEK! no clientid from session\n");
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
stp->ls_stateid.other[2] = *tl++;
|
|
/*
|
|
* Don't allow the client to use a special stateid for a DS op.
|
|
*/
|
|
if ((nd->nd_flag & ND_DSSERVER) != 0 &&
|
|
((stp->ls_stateid.other[0] == 0x0 &&
|
|
stp->ls_stateid.other[1] == 0x0 &&
|
|
stp->ls_stateid.other[2] == 0x0) ||
|
|
(stp->ls_stateid.other[0] == 0xffffffff &&
|
|
stp->ls_stateid.other[1] == 0xffffffff &&
|
|
stp->ls_stateid.other[2] == 0xffffffff) ||
|
|
stp->ls_stateid.seqid != 0))
|
|
nd->nd_repstat = NFSERR_BADSTATEID;
|
|
/* However, allow the proxy stateid. */
|
|
if (stp->ls_stateid.seqid == 0xffffffff &&
|
|
stp->ls_stateid.other[0] == 0x55555555 &&
|
|
stp->ls_stateid.other[1] == 0x55555555 &&
|
|
stp->ls_stateid.other[2] == 0x55555555)
|
|
gotproxystateid = 1;
|
|
off = fxdr_hyper(tl);
|
|
lop->lo_first = off;
|
|
tl += 2;
|
|
lop->lo_end = off + reqlen;
|
|
/*
|
|
* Paranoia, just in case it wraps around.
|
|
*/
|
|
if (lop->lo_end < off)
|
|
lop->lo_end = NFS64BITSSET;
|
|
}
|
|
if (vnode_vtype(vp) != VREG) {
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
nd->nd_repstat = EINVAL;
|
|
else
|
|
nd->nd_repstat = (vnode_vtype(vp) == VDIR) ? EISDIR :
|
|
EINVAL;
|
|
}
|
|
getret = nfsvno_getattr(vp, &nva, nd, p, 1, NULL);
|
|
if (!nd->nd_repstat)
|
|
nd->nd_repstat = getret;
|
|
if (!nd->nd_repstat &&
|
|
(nva.na_uid != nd->nd_cred->cr_uid ||
|
|
NFSVNO_EXSTRICTACCESS(exp))) {
|
|
nd->nd_repstat = nfsvno_accchk(vp, VREAD,
|
|
nd->nd_cred, exp, p,
|
|
NFSACCCHK_ALLOWOWNER, NFSACCCHK_VPISLOCKED, NULL);
|
|
if (nd->nd_repstat)
|
|
nd->nd_repstat = nfsvno_accchk(vp, VEXEC,
|
|
nd->nd_cred, exp, p, NFSACCCHK_ALLOWOWNER,
|
|
NFSACCCHK_VPISLOCKED, NULL);
|
|
}
|
|
/*
|
|
* DS reads are marked by ND_DSSERVER or use the proxy special
|
|
* stateid.
|
|
*/
|
|
if (nd->nd_repstat == 0 && (nd->nd_flag & (ND_NFSV4 | ND_DSSERVER)) ==
|
|
ND_NFSV4 && gotproxystateid == 0)
|
|
nd->nd_repstat = nfsrv_lockctrl(vp, &stp, &lop, NULL, clientid,
|
|
&stateid, exp, nd, p);
|
|
if (nd->nd_repstat) {
|
|
vput(vp);
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
nfsrv_postopattr(nd, getret, &nva);
|
|
goto out;
|
|
}
|
|
if (off >= nva.na_size) {
|
|
cnt = 0;
|
|
eof = 1;
|
|
} else if (reqlen == 0)
|
|
cnt = 0;
|
|
else if ((off + reqlen) >= nva.na_size) {
|
|
cnt = nva.na_size - off;
|
|
eof = 1;
|
|
} else
|
|
cnt = reqlen;
|
|
m3 = NULL;
|
|
if (cnt > 0) {
|
|
nd->nd_repstat = nfsvno_read(vp, off, cnt, nd->nd_cred, p,
|
|
&m3, &m2);
|
|
if (!(nd->nd_flag & ND_NFSV4)) {
|
|
getret = nfsvno_getattr(vp, &nva, nd, p, 1, NULL);
|
|
if (!nd->nd_repstat)
|
|
nd->nd_repstat = getret;
|
|
}
|
|
if (nd->nd_repstat) {
|
|
vput(vp);
|
|
if (m3)
|
|
mbuf_freem(m3);
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
nfsrv_postopattr(nd, getret, &nva);
|
|
goto out;
|
|
}
|
|
}
|
|
vput(vp);
|
|
if (nd->nd_flag & ND_NFSV2) {
|
|
nfsrv_fillattr(nd, &nva);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
} else {
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
nfsrv_postopattr(nd, getret, &nva);
|
|
NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(cnt);
|
|
} else
|
|
NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
if (eof)
|
|
*tl++ = newnfs_true;
|
|
else
|
|
*tl++ = newnfs_false;
|
|
}
|
|
*tl = txdr_unsigned(cnt);
|
|
if (m3) {
|
|
mbuf_setnext(nd->nd_mb, m3);
|
|
nd->nd_mb = m2;
|
|
nd->nd_bpos = NFSMTOD(m2, caddr_t) + mbuf_len(m2);
|
|
}
|
|
|
|
out:
|
|
NFSEXITCODE2(0, nd);
|
|
return (0);
|
|
nfsmout:
|
|
vput(vp);
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs write service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_write(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, struct nfsexstuff *exp)
|
|
{
|
|
int i, cnt;
|
|
u_int32_t *tl;
|
|
mbuf_t mp;
|
|
struct nfsvattr nva, forat;
|
|
int aftat_ret = 1, retlen, len, error = 0, forat_ret = 1;
|
|
int gotproxystateid, stable = NFSWRITE_FILESYNC;
|
|
off_t off;
|
|
struct nfsstate st, *stp = &st;
|
|
struct nfslock lo, *lop = &lo;
|
|
nfsv4stateid_t stateid;
|
|
nfsquad_t clientid;
|
|
nfsattrbit_t attrbits;
|
|
struct thread *p = curthread;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_wcc(nd, forat_ret, &forat, aftat_ret, &nva);
|
|
goto out;
|
|
}
|
|
gotproxystateid = 0;
|
|
if (nd->nd_flag & ND_NFSV2) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 4 * NFSX_UNSIGNED);
|
|
off = (off_t)fxdr_unsigned(u_int32_t, *++tl);
|
|
tl += 2;
|
|
retlen = len = fxdr_unsigned(int32_t, *tl);
|
|
} else if (nd->nd_flag & ND_NFSV3) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
|
|
off = fxdr_hyper(tl);
|
|
tl += 3;
|
|
stable = fxdr_unsigned(int, *tl++);
|
|
retlen = len = fxdr_unsigned(int32_t, *tl);
|
|
} else {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID + 4 * NFSX_UNSIGNED);
|
|
stp->ls_flags = (NFSLCK_CHECK | NFSLCK_WRITEACCESS);
|
|
lop->lo_flags = NFSLCK_WRITE;
|
|
stp->ls_ownerlen = 0;
|
|
stp->ls_op = NULL;
|
|
stp->ls_uid = nd->nd_cred->cr_uid;
|
|
stp->ls_stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
|
|
clientid.lval[0] = stp->ls_stateid.other[0] = *tl++;
|
|
clientid.lval[1] = stp->ls_stateid.other[1] = *tl++;
|
|
if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
clientid.qval = nd->nd_clientid.qval;
|
|
else if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK2 multiple clids\n");
|
|
} else {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
printf("EEK! no clientid from session\n");
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
stp->ls_stateid.other[2] = *tl++;
|
|
/*
|
|
* Don't allow the client to use a special stateid for a DS op.
|
|
*/
|
|
if ((nd->nd_flag & ND_DSSERVER) != 0 &&
|
|
((stp->ls_stateid.other[0] == 0x0 &&
|
|
stp->ls_stateid.other[1] == 0x0 &&
|
|
stp->ls_stateid.other[2] == 0x0) ||
|
|
(stp->ls_stateid.other[0] == 0xffffffff &&
|
|
stp->ls_stateid.other[1] == 0xffffffff &&
|
|
stp->ls_stateid.other[2] == 0xffffffff) ||
|
|
stp->ls_stateid.seqid != 0))
|
|
nd->nd_repstat = NFSERR_BADSTATEID;
|
|
/* However, allow the proxy stateid. */
|
|
if (stp->ls_stateid.seqid == 0xffffffff &&
|
|
stp->ls_stateid.other[0] == 0x55555555 &&
|
|
stp->ls_stateid.other[1] == 0x55555555 &&
|
|
stp->ls_stateid.other[2] == 0x55555555)
|
|
gotproxystateid = 1;
|
|
off = fxdr_hyper(tl);
|
|
lop->lo_first = off;
|
|
tl += 2;
|
|
stable = fxdr_unsigned(int, *tl++);
|
|
retlen = len = fxdr_unsigned(int32_t, *tl);
|
|
lop->lo_end = off + len;
|
|
/*
|
|
* Paranoia, just in case it wraps around, which shouldn't
|
|
* ever happen anyhow.
|
|
*/
|
|
if (lop->lo_end < lop->lo_first)
|
|
lop->lo_end = NFS64BITSSET;
|
|
}
|
|
|
|
/*
|
|
* Loop through the mbuf chain, counting how many mbufs are a
|
|
* part of this write operation, so the iovec size is known.
|
|
*/
|
|
cnt = 0;
|
|
mp = nd->nd_md;
|
|
i = NFSMTOD(mp, caddr_t) + mbuf_len(mp) - nd->nd_dpos;
|
|
while (len > 0) {
|
|
if (i > 0) {
|
|
len -= i;
|
|
cnt++;
|
|
}
|
|
mp = mbuf_next(mp);
|
|
if (!mp) {
|
|
if (len > 0) {
|
|
error = EBADRPC;
|
|
goto nfsmout;
|
|
}
|
|
} else
|
|
i = mbuf_len(mp);
|
|
}
|
|
|
|
if (retlen > NFS_SRVMAXIO || retlen < 0)
|
|
nd->nd_repstat = EIO;
|
|
if (vnode_vtype(vp) != VREG && !nd->nd_repstat) {
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
nd->nd_repstat = EINVAL;
|
|
else
|
|
nd->nd_repstat = (vnode_vtype(vp) == VDIR) ? EISDIR :
|
|
EINVAL;
|
|
}
|
|
NFSZERO_ATTRBIT(&attrbits);
|
|
NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_OWNER);
|
|
forat_ret = nfsvno_getattr(vp, &forat, nd, p, 1, &attrbits);
|
|
if (!nd->nd_repstat)
|
|
nd->nd_repstat = forat_ret;
|
|
if (!nd->nd_repstat &&
|
|
(forat.na_uid != nd->nd_cred->cr_uid ||
|
|
NFSVNO_EXSTRICTACCESS(exp)))
|
|
nd->nd_repstat = nfsvno_accchk(vp, VWRITE,
|
|
nd->nd_cred, exp, p,
|
|
NFSACCCHK_ALLOWOWNER, NFSACCCHK_VPISLOCKED, NULL);
|
|
/*
|
|
* DS reads are marked by ND_DSSERVER or use the proxy special
|
|
* stateid.
|
|
*/
|
|
if (nd->nd_repstat == 0 && (nd->nd_flag & (ND_NFSV4 | ND_DSSERVER)) ==
|
|
ND_NFSV4 && gotproxystateid == 0)
|
|
nd->nd_repstat = nfsrv_lockctrl(vp, &stp, &lop, NULL, clientid,
|
|
&stateid, exp, nd, p);
|
|
if (nd->nd_repstat) {
|
|
vput(vp);
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
nfsrv_wcc(nd, forat_ret, &forat, aftat_ret, &nva);
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* For NFS Version 2, it is not obvious what a write of zero length
|
|
* should do, but I might as well be consistent with Version 3,
|
|
* which is to return ok so long as there are no permission problems.
|
|
*/
|
|
if (retlen > 0) {
|
|
nd->nd_repstat = nfsvno_write(vp, off, retlen, cnt, &stable,
|
|
nd->nd_md, nd->nd_dpos, nd->nd_cred, p);
|
|
error = nfsm_advance(nd, NFSM_RNDUP(retlen), -1);
|
|
if (error)
|
|
goto nfsmout;
|
|
}
|
|
if (nd->nd_flag & ND_NFSV4)
|
|
aftat_ret = 0;
|
|
else
|
|
aftat_ret = nfsvno_getattr(vp, &nva, nd, p, 1, NULL);
|
|
vput(vp);
|
|
if (!nd->nd_repstat)
|
|
nd->nd_repstat = aftat_ret;
|
|
if (nd->nd_flag & (ND_NFSV3 | ND_NFSV4)) {
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
nfsrv_wcc(nd, forat_ret, &forat, aftat_ret, &nva);
|
|
if (nd->nd_repstat)
|
|
goto out;
|
|
NFSM_BUILD(tl, u_int32_t *, 4 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(retlen);
|
|
/*
|
|
* If nfs_async is set, then pretend the write was FILESYNC.
|
|
* Warning: Doing this violates RFC1813 and runs a risk
|
|
* of data written by a client being lost when the server
|
|
* crashes/reboots.
|
|
*/
|
|
if (stable == NFSWRITE_UNSTABLE && nfs_async == 0)
|
|
*tl++ = txdr_unsigned(stable);
|
|
else
|
|
*tl++ = txdr_unsigned(NFSWRITE_FILESYNC);
|
|
/*
|
|
* Actually, there is no need to txdr these fields,
|
|
* but it may make the values more human readable,
|
|
* for debugging purposes.
|
|
*/
|
|
*tl++ = txdr_unsigned(nfsboottime.tv_sec);
|
|
*tl = txdr_unsigned(nfsboottime.tv_usec);
|
|
} else if (!nd->nd_repstat)
|
|
nfsrv_fillattr(nd, &nva);
|
|
|
|
out:
|
|
NFSEXITCODE2(0, nd);
|
|
return (0);
|
|
nfsmout:
|
|
vput(vp);
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs create service (creates regular files for V2 and V3. Spec. files for V2.)
|
|
* now does a truncate to 0 length via. setattr if it already exists
|
|
* The core creation routine has been extracted out into nfsrv_creatsub(),
|
|
* so it can also be used by nfsrv_open() for V4.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_create(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t dp, struct nfsexstuff *exp)
|
|
{
|
|
struct nfsvattr nva, dirfor, diraft;
|
|
struct nfsv2_sattr *sp;
|
|
struct nameidata named;
|
|
u_int32_t *tl;
|
|
int error = 0, tsize, dirfor_ret = 1, diraft_ret = 1;
|
|
int how = NFSCREATE_UNCHECKED, exclusive_flag = 0;
|
|
NFSDEV_T rdev = 0;
|
|
vnode_t vp = NULL, dirp = NULL;
|
|
fhandle_t fh;
|
|
char *bufp;
|
|
u_long *hashp;
|
|
enum vtype vtyp;
|
|
int32_t cverf[2], tverf[2] = { 0, 0 };
|
|
struct thread *p = curthread;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
|
|
goto out;
|
|
}
|
|
NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, CREATE,
|
|
LOCKPARENT | LOCKLEAF | SAVESTART | NOCACHE);
|
|
nfsvno_setpathbuf(&named, &bufp, &hashp);
|
|
error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
|
|
if (error)
|
|
goto nfsmout;
|
|
if (!nd->nd_repstat) {
|
|
NFSVNO_ATTRINIT(&nva);
|
|
if (nd->nd_flag & ND_NFSV2) {
|
|
NFSM_DISSECT(sp, struct nfsv2_sattr *, NFSX_V2SATTR);
|
|
vtyp = IFTOVT(fxdr_unsigned(u_int32_t, sp->sa_mode));
|
|
if (vtyp == VNON)
|
|
vtyp = VREG;
|
|
NFSVNO_SETATTRVAL(&nva, type, vtyp);
|
|
NFSVNO_SETATTRVAL(&nva, mode,
|
|
nfstov_mode(sp->sa_mode));
|
|
switch (nva.na_type) {
|
|
case VREG:
|
|
tsize = fxdr_unsigned(int32_t, sp->sa_size);
|
|
if (tsize != -1)
|
|
NFSVNO_SETATTRVAL(&nva, size,
|
|
(u_quad_t)tsize);
|
|
break;
|
|
case VCHR:
|
|
case VBLK:
|
|
case VFIFO:
|
|
rdev = fxdr_unsigned(NFSDEV_T, sp->sa_size);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
} else {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
how = fxdr_unsigned(int, *tl);
|
|
switch (how) {
|
|
case NFSCREATE_GUARDED:
|
|
case NFSCREATE_UNCHECKED:
|
|
error = nfsrv_sattr(nd, NULL, &nva, NULL, NULL, p);
|
|
if (error)
|
|
goto nfsmout;
|
|
break;
|
|
case NFSCREATE_EXCLUSIVE:
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_VERF);
|
|
cverf[0] = *tl++;
|
|
cverf[1] = *tl;
|
|
exclusive_flag = 1;
|
|
break;
|
|
}
|
|
NFSVNO_SETATTRVAL(&nva, type, VREG);
|
|
}
|
|
}
|
|
if (nd->nd_repstat) {
|
|
nfsvno_relpathbuf(&named);
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
dirfor_ret = nfsvno_getattr(dp, &dirfor, nd, p, 1,
|
|
NULL);
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret,
|
|
&diraft);
|
|
}
|
|
vput(dp);
|
|
goto out;
|
|
}
|
|
|
|
nd->nd_repstat = nfsvno_namei(nd, &named, dp, 1, exp, p, &dirp);
|
|
if (dirp) {
|
|
if (nd->nd_flag & ND_NFSV2) {
|
|
vrele(dirp);
|
|
dirp = NULL;
|
|
} else {
|
|
dirfor_ret = nfsvno_getattr(dirp, &dirfor, nd, p, 0,
|
|
NULL);
|
|
}
|
|
}
|
|
if (nd->nd_repstat) {
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret,
|
|
&diraft);
|
|
if (dirp)
|
|
vrele(dirp);
|
|
goto out;
|
|
}
|
|
|
|
if (!(nd->nd_flag & ND_NFSV2)) {
|
|
switch (how) {
|
|
case NFSCREATE_GUARDED:
|
|
if (named.ni_vp)
|
|
nd->nd_repstat = EEXIST;
|
|
break;
|
|
case NFSCREATE_UNCHECKED:
|
|
break;
|
|
case NFSCREATE_EXCLUSIVE:
|
|
if (named.ni_vp == NULL)
|
|
NFSVNO_SETATTRVAL(&nva, mode, 0);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Iff doesn't exist, create it
|
|
* otherwise just truncate to 0 length
|
|
* should I set the mode too ?
|
|
*/
|
|
nd->nd_repstat = nfsvno_createsub(nd, &named, &vp, &nva,
|
|
&exclusive_flag, cverf, rdev, exp);
|
|
|
|
if (!nd->nd_repstat) {
|
|
nd->nd_repstat = nfsvno_getfh(vp, &fh, p);
|
|
if (!nd->nd_repstat)
|
|
nd->nd_repstat = nfsvno_getattr(vp, &nva, nd, p, 1,
|
|
NULL);
|
|
vput(vp);
|
|
if (!nd->nd_repstat) {
|
|
tverf[0] = nva.na_atime.tv_sec;
|
|
tverf[1] = nva.na_atime.tv_nsec;
|
|
}
|
|
}
|
|
if (nd->nd_flag & ND_NFSV2) {
|
|
if (!nd->nd_repstat) {
|
|
(void) nfsm_fhtom(nd, (u_int8_t *)&fh, 0, 0);
|
|
nfsrv_fillattr(nd, &nva);
|
|
}
|
|
} else {
|
|
if (exclusive_flag && !nd->nd_repstat && (cverf[0] != tverf[0]
|
|
|| cverf[1] != tverf[1]))
|
|
nd->nd_repstat = EEXIST;
|
|
diraft_ret = nfsvno_getattr(dirp, &diraft, nd, p, 0, NULL);
|
|
vrele(dirp);
|
|
if (!nd->nd_repstat) {
|
|
(void) nfsm_fhtom(nd, (u_int8_t *)&fh, 0, 1);
|
|
nfsrv_postopattr(nd, 0, &nva);
|
|
}
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
|
|
}
|
|
|
|
out:
|
|
NFSEXITCODE2(0, nd);
|
|
return (0);
|
|
nfsmout:
|
|
vput(dp);
|
|
nfsvno_relpathbuf(&named);
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs v3 mknod service (and v4 create)
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_mknod(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t dp, vnode_t *vpp, fhandle_t *fhp, struct nfsexstuff *exp)
|
|
{
|
|
struct nfsvattr nva, dirfor, diraft;
|
|
u_int32_t *tl;
|
|
struct nameidata named;
|
|
int error = 0, dirfor_ret = 1, diraft_ret = 1, pathlen;
|
|
u_int32_t major, minor;
|
|
enum vtype vtyp = VNON;
|
|
nfstype nfs4type = NFNON;
|
|
vnode_t vp, dirp = NULL;
|
|
nfsattrbit_t attrbits;
|
|
char *bufp = NULL, *pathcp = NULL;
|
|
u_long *hashp, cnflags;
|
|
NFSACL_T *aclp = NULL;
|
|
struct thread *p = curthread;
|
|
|
|
NFSVNO_ATTRINIT(&nva);
|
|
cnflags = (LOCKPARENT | SAVESTART);
|
|
if (nd->nd_repstat) {
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
|
|
goto out;
|
|
}
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
aclp = acl_alloc(M_WAITOK);
|
|
aclp->acl_cnt = 0;
|
|
#endif
|
|
|
|
/*
|
|
* For V4, the creation stuff is here, Yuck!
|
|
*/
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
vtyp = nfsv34tov_type(*tl);
|
|
nfs4type = fxdr_unsigned(nfstype, *tl);
|
|
switch (nfs4type) {
|
|
case NFLNK:
|
|
error = nfsvno_getsymlink(nd, &nva, p, &pathcp,
|
|
&pathlen);
|
|
if (error)
|
|
goto nfsmout;
|
|
break;
|
|
case NFCHR:
|
|
case NFBLK:
|
|
NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
major = fxdr_unsigned(u_int32_t, *tl++);
|
|
minor = fxdr_unsigned(u_int32_t, *tl);
|
|
nva.na_rdev = NFSMAKEDEV(major, minor);
|
|
break;
|
|
case NFSOCK:
|
|
case NFFIFO:
|
|
break;
|
|
case NFDIR:
|
|
cnflags = (LOCKPARENT | SAVENAME);
|
|
break;
|
|
default:
|
|
nd->nd_repstat = NFSERR_BADTYPE;
|
|
vrele(dp);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
goto out;
|
|
}
|
|
}
|
|
NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, CREATE, cnflags | NOCACHE);
|
|
nfsvno_setpathbuf(&named, &bufp, &hashp);
|
|
error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
|
|
if (error)
|
|
goto nfsmout;
|
|
if (!nd->nd_repstat) {
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
vtyp = nfsv34tov_type(*tl);
|
|
}
|
|
error = nfsrv_sattr(nd, NULL, &nva, &attrbits, aclp, p);
|
|
if (error)
|
|
goto nfsmout;
|
|
nva.na_type = vtyp;
|
|
if (!nd->nd_repstat && (nd->nd_flag & ND_NFSV3) &&
|
|
(vtyp == VCHR || vtyp == VBLK)) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
major = fxdr_unsigned(u_int32_t, *tl++);
|
|
minor = fxdr_unsigned(u_int32_t, *tl);
|
|
nva.na_rdev = NFSMAKEDEV(major, minor);
|
|
}
|
|
}
|
|
|
|
dirfor_ret = nfsvno_getattr(dp, &dirfor, nd, p, 0, NULL);
|
|
if (!nd->nd_repstat && (nd->nd_flag & ND_NFSV4)) {
|
|
if (!dirfor_ret && NFSVNO_ISSETGID(&nva) &&
|
|
dirfor.na_gid == nva.na_gid)
|
|
NFSVNO_UNSET(&nva, gid);
|
|
nd->nd_repstat = nfsrv_checkuidgid(nd, &nva);
|
|
}
|
|
if (nd->nd_repstat) {
|
|
vrele(dp);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
nfsvno_relpathbuf(&named);
|
|
if (pathcp)
|
|
free(pathcp, M_TEMP);
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret,
|
|
&diraft);
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* Yuck! For V4, mkdir and link are here and some V4 clients don't fill
|
|
* in va_mode, so we'll have to set a default here.
|
|
*/
|
|
if (NFSVNO_NOTSETMODE(&nva)) {
|
|
if (vtyp == VLNK)
|
|
nva.na_mode = 0755;
|
|
else
|
|
nva.na_mode = 0400;
|
|
}
|
|
|
|
if (vtyp == VDIR)
|
|
named.ni_cnd.cn_flags |= WILLBEDIR;
|
|
nd->nd_repstat = nfsvno_namei(nd, &named, dp, 0, exp, p, &dirp);
|
|
if (nd->nd_repstat) {
|
|
if (dirp) {
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
dirfor_ret = nfsvno_getattr(dirp, &dirfor, nd,
|
|
p, 0, NULL);
|
|
vrele(dirp);
|
|
}
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret,
|
|
&diraft);
|
|
goto out;
|
|
}
|
|
if (dirp)
|
|
dirfor_ret = nfsvno_getattr(dirp, &dirfor, nd, p, 0, NULL);
|
|
|
|
if ((nd->nd_flag & ND_NFSV4) && (vtyp == VDIR || vtyp == VLNK)) {
|
|
if (vtyp == VDIR) {
|
|
nfsrvd_mkdirsub(nd, &named, &nva, fhp, vpp, dirp,
|
|
&dirfor, &diraft, &diraft_ret, &attrbits, aclp, p,
|
|
exp);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
goto out;
|
|
} else if (vtyp == VLNK) {
|
|
nfsrvd_symlinksub(nd, &named, &nva, fhp, vpp, dirp,
|
|
&dirfor, &diraft, &diraft_ret, &attrbits,
|
|
aclp, p, exp, pathcp, pathlen);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
free(pathcp, M_TEMP);
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
nd->nd_repstat = nfsvno_mknod(&named, &nva, nd->nd_cred, p);
|
|
if (!nd->nd_repstat) {
|
|
vp = named.ni_vp;
|
|
nfsrv_fixattr(nd, vp, &nva, aclp, p, &attrbits, exp);
|
|
nd->nd_repstat = nfsvno_getfh(vp, fhp, p);
|
|
if ((nd->nd_flag & ND_NFSV3) && !nd->nd_repstat)
|
|
nd->nd_repstat = nfsvno_getattr(vp, &nva, nd, p, 1,
|
|
NULL);
|
|
if (vpp != NULL && nd->nd_repstat == 0) {
|
|
NFSVOPUNLOCK(vp, 0);
|
|
*vpp = vp;
|
|
} else
|
|
vput(vp);
|
|
}
|
|
|
|
diraft_ret = nfsvno_getattr(dirp, &diraft, nd, p, 0, NULL);
|
|
vrele(dirp);
|
|
if (!nd->nd_repstat) {
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
(void) nfsm_fhtom(nd, (u_int8_t *)fhp, 0, 1);
|
|
nfsrv_postopattr(nd, 0, &nva);
|
|
} else {
|
|
NFSM_BUILD(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
|
|
*tl++ = newnfs_false;
|
|
txdr_hyper(dirfor.na_filerev, tl);
|
|
tl += 2;
|
|
txdr_hyper(diraft.na_filerev, tl);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
}
|
|
}
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
|
|
out:
|
|
NFSEXITCODE2(0, nd);
|
|
return (0);
|
|
nfsmout:
|
|
vrele(dp);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
if (bufp)
|
|
nfsvno_relpathbuf(&named);
|
|
if (pathcp)
|
|
free(pathcp, M_TEMP);
|
|
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs remove service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_remove(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t dp, struct nfsexstuff *exp)
|
|
{
|
|
struct nameidata named;
|
|
u_int32_t *tl;
|
|
int error = 0, dirfor_ret = 1, diraft_ret = 1;
|
|
vnode_t dirp = NULL;
|
|
struct nfsvattr dirfor, diraft;
|
|
char *bufp;
|
|
u_long *hashp;
|
|
struct thread *p = curthread;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
|
|
goto out;
|
|
}
|
|
NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, DELETE,
|
|
LOCKPARENT | LOCKLEAF);
|
|
nfsvno_setpathbuf(&named, &bufp, &hashp);
|
|
error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
|
|
if (error) {
|
|
vput(dp);
|
|
nfsvno_relpathbuf(&named);
|
|
goto out;
|
|
}
|
|
if (!nd->nd_repstat) {
|
|
nd->nd_repstat = nfsvno_namei(nd, &named, dp, 1, exp, p, &dirp);
|
|
} else {
|
|
vput(dp);
|
|
nfsvno_relpathbuf(&named);
|
|
}
|
|
if (dirp) {
|
|
if (!(nd->nd_flag & ND_NFSV2)) {
|
|
dirfor_ret = nfsvno_getattr(dirp, &dirfor, nd, p, 0,
|
|
NULL);
|
|
} else {
|
|
vrele(dirp);
|
|
dirp = NULL;
|
|
}
|
|
}
|
|
if (!nd->nd_repstat) {
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
if (vnode_vtype(named.ni_vp) == VDIR)
|
|
nd->nd_repstat = nfsvno_rmdirsub(&named, 1,
|
|
nd->nd_cred, p, exp);
|
|
else
|
|
nd->nd_repstat = nfsvno_removesub(&named, 1,
|
|
nd->nd_cred, p, exp);
|
|
} else if (nd->nd_procnum == NFSPROC_RMDIR) {
|
|
nd->nd_repstat = nfsvno_rmdirsub(&named, 0,
|
|
nd->nd_cred, p, exp);
|
|
} else {
|
|
nd->nd_repstat = nfsvno_removesub(&named, 0,
|
|
nd->nd_cred, p, exp);
|
|
}
|
|
}
|
|
if (!(nd->nd_flag & ND_NFSV2)) {
|
|
if (dirp) {
|
|
diraft_ret = nfsvno_getattr(dirp, &diraft, nd, p, 0,
|
|
NULL);
|
|
vrele(dirp);
|
|
}
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret,
|
|
&diraft);
|
|
} else if (!nd->nd_repstat) {
|
|
NFSM_BUILD(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
|
|
*tl++ = newnfs_false;
|
|
txdr_hyper(dirfor.na_filerev, tl);
|
|
tl += 2;
|
|
txdr_hyper(diraft.na_filerev, tl);
|
|
}
|
|
}
|
|
|
|
out:
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs rename service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_rename(struct nfsrv_descript *nd, int isdgram,
|
|
vnode_t dp, vnode_t todp, struct nfsexstuff *exp, struct nfsexstuff *toexp)
|
|
{
|
|
u_int32_t *tl;
|
|
int error = 0, fdirfor_ret = 1, fdiraft_ret = 1;
|
|
int tdirfor_ret = 1, tdiraft_ret = 1;
|
|
struct nameidata fromnd, tond;
|
|
vnode_t fdirp = NULL, tdirp = NULL, tdp = NULL;
|
|
struct nfsvattr fdirfor, fdiraft, tdirfor, tdiraft;
|
|
struct nfsexstuff tnes;
|
|
struct nfsrvfh tfh;
|
|
char *bufp, *tbufp = NULL;
|
|
u_long *hashp;
|
|
fhandle_t fh;
|
|
struct thread *p = curthread;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_wcc(nd, fdirfor_ret, &fdirfor, fdiraft_ret, &fdiraft);
|
|
nfsrv_wcc(nd, tdirfor_ret, &tdirfor, tdiraft_ret, &tdiraft);
|
|
goto out;
|
|
}
|
|
if (!(nd->nd_flag & ND_NFSV2))
|
|
fdirfor_ret = nfsvno_getattr(dp, &fdirfor, nd, p, 1, NULL);
|
|
tond.ni_cnd.cn_nameiop = 0;
|
|
tond.ni_startdir = NULL;
|
|
NFSNAMEICNDSET(&fromnd.ni_cnd, nd->nd_cred, DELETE, WANTPARENT | SAVESTART);
|
|
nfsvno_setpathbuf(&fromnd, &bufp, &hashp);
|
|
error = nfsrv_parsename(nd, bufp, hashp, &fromnd.ni_pathlen);
|
|
if (error) {
|
|
vput(dp);
|
|
if (todp)
|
|
vrele(todp);
|
|
nfsvno_relpathbuf(&fromnd);
|
|
goto out;
|
|
}
|
|
/*
|
|
* Unlock dp in this code section, so it is unlocked before
|
|
* tdp gets locked. This avoids a potential LOR if tdp is the
|
|
* parent directory of dp.
|
|
*/
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
tdp = todp;
|
|
tnes = *toexp;
|
|
if (dp != tdp) {
|
|
NFSVOPUNLOCK(dp, 0);
|
|
/* Might lock tdp. */
|
|
tdirfor_ret = nfsvno_getattr(tdp, &tdirfor, nd, p, 0,
|
|
NULL);
|
|
} else {
|
|
tdirfor_ret = nfsvno_getattr(tdp, &tdirfor, nd, p, 1,
|
|
NULL);
|
|
NFSVOPUNLOCK(dp, 0);
|
|
}
|
|
} else {
|
|
tfh.nfsrvfh_len = 0;
|
|
error = nfsrv_mtofh(nd, &tfh);
|
|
if (error == 0)
|
|
error = nfsvno_getfh(dp, &fh, p);
|
|
if (error) {
|
|
vput(dp);
|
|
/* todp is always NULL except NFSv4 */
|
|
nfsvno_relpathbuf(&fromnd);
|
|
goto out;
|
|
}
|
|
|
|
/* If this is the same file handle, just VREF() the vnode. */
|
|
if (tfh.nfsrvfh_len == NFSX_MYFH &&
|
|
!NFSBCMP(tfh.nfsrvfh_data, &fh, NFSX_MYFH)) {
|
|
VREF(dp);
|
|
tdp = dp;
|
|
tnes = *exp;
|
|
tdirfor_ret = nfsvno_getattr(tdp, &tdirfor, nd, p, 1,
|
|
NULL);
|
|
NFSVOPUNLOCK(dp, 0);
|
|
} else {
|
|
NFSVOPUNLOCK(dp, 0);
|
|
nd->nd_cred->cr_uid = nd->nd_saveduid;
|
|
nfsd_fhtovp(nd, &tfh, LK_EXCLUSIVE, &tdp, &tnes, NULL,
|
|
0); /* Locks tdp. */
|
|
if (tdp) {
|
|
tdirfor_ret = nfsvno_getattr(tdp, &tdirfor, nd,
|
|
p, 1, NULL);
|
|
NFSVOPUNLOCK(tdp, 0);
|
|
}
|
|
}
|
|
}
|
|
NFSNAMEICNDSET(&tond.ni_cnd, nd->nd_cred, RENAME, LOCKPARENT | LOCKLEAF | NOCACHE | SAVESTART);
|
|
nfsvno_setpathbuf(&tond, &tbufp, &hashp);
|
|
if (!nd->nd_repstat) {
|
|
error = nfsrv_parsename(nd, tbufp, hashp, &tond.ni_pathlen);
|
|
if (error) {
|
|
if (tdp)
|
|
vrele(tdp);
|
|
vrele(dp);
|
|
nfsvno_relpathbuf(&fromnd);
|
|
nfsvno_relpathbuf(&tond);
|
|
goto out;
|
|
}
|
|
}
|
|
if (nd->nd_repstat) {
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
nfsrv_wcc(nd, fdirfor_ret, &fdirfor, fdiraft_ret,
|
|
&fdiraft);
|
|
nfsrv_wcc(nd, tdirfor_ret, &tdirfor, tdiraft_ret,
|
|
&tdiraft);
|
|
}
|
|
if (tdp)
|
|
vrele(tdp);
|
|
vrele(dp);
|
|
nfsvno_relpathbuf(&fromnd);
|
|
nfsvno_relpathbuf(&tond);
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* Done parsing, now down to business.
|
|
*/
|
|
nd->nd_repstat = nfsvno_namei(nd, &fromnd, dp, 0, exp, p, &fdirp);
|
|
if (nd->nd_repstat) {
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
nfsrv_wcc(nd, fdirfor_ret, &fdirfor, fdiraft_ret,
|
|
&fdiraft);
|
|
nfsrv_wcc(nd, tdirfor_ret, &tdirfor, tdiraft_ret,
|
|
&tdiraft);
|
|
}
|
|
if (fdirp)
|
|
vrele(fdirp);
|
|
if (tdp)
|
|
vrele(tdp);
|
|
nfsvno_relpathbuf(&tond);
|
|
goto out;
|
|
}
|
|
if (vnode_vtype(fromnd.ni_vp) == VDIR)
|
|
tond.ni_cnd.cn_flags |= WILLBEDIR;
|
|
nd->nd_repstat = nfsvno_namei(nd, &tond, tdp, 0, &tnes, p, &tdirp);
|
|
nd->nd_repstat = nfsvno_rename(&fromnd, &tond, nd->nd_repstat,
|
|
nd->nd_flag, nd->nd_cred, p);
|
|
if (fdirp)
|
|
fdiraft_ret = nfsvno_getattr(fdirp, &fdiraft, nd, p, 0, NULL);
|
|
if (tdirp)
|
|
tdiraft_ret = nfsvno_getattr(tdirp, &tdiraft, nd, p, 0, NULL);
|
|
if (fdirp)
|
|
vrele(fdirp);
|
|
if (tdirp)
|
|
vrele(tdirp);
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
nfsrv_wcc(nd, fdirfor_ret, &fdirfor, fdiraft_ret, &fdiraft);
|
|
nfsrv_wcc(nd, tdirfor_ret, &tdirfor, tdiraft_ret, &tdiraft);
|
|
} else if ((nd->nd_flag & ND_NFSV4) && !nd->nd_repstat) {
|
|
NFSM_BUILD(tl, u_int32_t *, 10 * NFSX_UNSIGNED);
|
|
*tl++ = newnfs_false;
|
|
txdr_hyper(fdirfor.na_filerev, tl);
|
|
tl += 2;
|
|
txdr_hyper(fdiraft.na_filerev, tl);
|
|
tl += 2;
|
|
*tl++ = newnfs_false;
|
|
txdr_hyper(tdirfor.na_filerev, tl);
|
|
tl += 2;
|
|
txdr_hyper(tdiraft.na_filerev, tl);
|
|
}
|
|
|
|
out:
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs link service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_link(struct nfsrv_descript *nd, int isdgram,
|
|
vnode_t vp, vnode_t tovp, struct nfsexstuff *exp, struct nfsexstuff *toexp)
|
|
{
|
|
struct nameidata named;
|
|
u_int32_t *tl;
|
|
int error = 0, dirfor_ret = 1, diraft_ret = 1, getret = 1;
|
|
vnode_t dirp = NULL, dp = NULL;
|
|
struct nfsvattr dirfor, diraft, at;
|
|
struct nfsexstuff tnes;
|
|
struct nfsrvfh dfh;
|
|
char *bufp;
|
|
u_long *hashp;
|
|
struct thread *p = curthread;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_postopattr(nd, getret, &at);
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
|
|
goto out;
|
|
}
|
|
NFSVOPUNLOCK(vp, 0);
|
|
if (vnode_vtype(vp) == VDIR) {
|
|
if (nd->nd_flag & ND_NFSV4)
|
|
nd->nd_repstat = NFSERR_ISDIR;
|
|
else
|
|
nd->nd_repstat = NFSERR_INVAL;
|
|
if (tovp)
|
|
vrele(tovp);
|
|
}
|
|
if (!nd->nd_repstat) {
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
dp = tovp;
|
|
tnes = *toexp;
|
|
} else {
|
|
error = nfsrv_mtofh(nd, &dfh);
|
|
if (error) {
|
|
vrele(vp);
|
|
/* tovp is always NULL unless NFSv4 */
|
|
goto out;
|
|
}
|
|
nfsd_fhtovp(nd, &dfh, LK_EXCLUSIVE, &dp, &tnes, NULL, 0);
|
|
if (dp)
|
|
NFSVOPUNLOCK(dp, 0);
|
|
}
|
|
}
|
|
NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, CREATE,
|
|
LOCKPARENT | SAVENAME | NOCACHE);
|
|
if (!nd->nd_repstat) {
|
|
nfsvno_setpathbuf(&named, &bufp, &hashp);
|
|
error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
|
|
if (error) {
|
|
vrele(vp);
|
|
if (dp)
|
|
vrele(dp);
|
|
nfsvno_relpathbuf(&named);
|
|
goto out;
|
|
}
|
|
if (!nd->nd_repstat) {
|
|
nd->nd_repstat = nfsvno_namei(nd, &named, dp, 0, &tnes,
|
|
p, &dirp);
|
|
} else {
|
|
if (dp)
|
|
vrele(dp);
|
|
nfsvno_relpathbuf(&named);
|
|
}
|
|
}
|
|
if (dirp) {
|
|
if (nd->nd_flag & ND_NFSV2) {
|
|
vrele(dirp);
|
|
dirp = NULL;
|
|
} else {
|
|
dirfor_ret = nfsvno_getattr(dirp, &dirfor, nd, p, 0,
|
|
NULL);
|
|
}
|
|
}
|
|
if (!nd->nd_repstat)
|
|
nd->nd_repstat = nfsvno_link(&named, vp, nd->nd_cred, p, exp);
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
getret = nfsvno_getattr(vp, &at, nd, p, 0, NULL);
|
|
if (dirp) {
|
|
diraft_ret = nfsvno_getattr(dirp, &diraft, nd, p, 0, NULL);
|
|
vrele(dirp);
|
|
}
|
|
vrele(vp);
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
nfsrv_postopattr(nd, getret, &at);
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
|
|
} else if ((nd->nd_flag & ND_NFSV4) && !nd->nd_repstat) {
|
|
NFSM_BUILD(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
|
|
*tl++ = newnfs_false;
|
|
txdr_hyper(dirfor.na_filerev, tl);
|
|
tl += 2;
|
|
txdr_hyper(diraft.na_filerev, tl);
|
|
}
|
|
|
|
out:
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs symbolic link service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_symlink(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t dp, vnode_t *vpp, fhandle_t *fhp, struct nfsexstuff *exp)
|
|
{
|
|
struct nfsvattr nva, dirfor, diraft;
|
|
struct nameidata named;
|
|
int error = 0, dirfor_ret = 1, diraft_ret = 1, pathlen;
|
|
vnode_t dirp = NULL;
|
|
char *bufp, *pathcp = NULL;
|
|
u_long *hashp;
|
|
struct thread *p = curthread;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
|
|
goto out;
|
|
}
|
|
if (vpp)
|
|
*vpp = NULL;
|
|
NFSVNO_ATTRINIT(&nva);
|
|
NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, CREATE,
|
|
LOCKPARENT | SAVESTART | NOCACHE);
|
|
nfsvno_setpathbuf(&named, &bufp, &hashp);
|
|
error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
|
|
if (!error && !nd->nd_repstat)
|
|
error = nfsvno_getsymlink(nd, &nva, p, &pathcp, &pathlen);
|
|
if (error) {
|
|
vrele(dp);
|
|
nfsvno_relpathbuf(&named);
|
|
goto out;
|
|
}
|
|
if (!nd->nd_repstat) {
|
|
nd->nd_repstat = nfsvno_namei(nd, &named, dp, 0, exp, p, &dirp);
|
|
} else {
|
|
vrele(dp);
|
|
nfsvno_relpathbuf(&named);
|
|
}
|
|
if (dirp != NULL && !(nd->nd_flag & ND_NFSV3)) {
|
|
vrele(dirp);
|
|
dirp = NULL;
|
|
}
|
|
|
|
/*
|
|
* And call nfsrvd_symlinksub() to do the common code. It will
|
|
* return EBADRPC upon a parsing error, 0 otherwise.
|
|
*/
|
|
if (!nd->nd_repstat) {
|
|
if (dirp != NULL)
|
|
dirfor_ret = nfsvno_getattr(dirp, &dirfor, nd, p, 0,
|
|
NULL);
|
|
nfsrvd_symlinksub(nd, &named, &nva, fhp, vpp, dirp,
|
|
&dirfor, &diraft, &diraft_ret, NULL, NULL, p, exp,
|
|
pathcp, pathlen);
|
|
} else if (dirp != NULL) {
|
|
dirfor_ret = nfsvno_getattr(dirp, &dirfor, nd, p, 0, NULL);
|
|
vrele(dirp);
|
|
}
|
|
if (pathcp)
|
|
free(pathcp, M_TEMP);
|
|
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
if (!nd->nd_repstat) {
|
|
(void) nfsm_fhtom(nd, (u_int8_t *)fhp, 0, 1);
|
|
nfsrv_postopattr(nd, 0, &nva);
|
|
}
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
|
|
}
|
|
|
|
out:
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Common code for creating a symbolic link.
|
|
*/
|
|
static void
|
|
nfsrvd_symlinksub(struct nfsrv_descript *nd, struct nameidata *ndp,
|
|
struct nfsvattr *nvap, fhandle_t *fhp, vnode_t *vpp,
|
|
vnode_t dirp, struct nfsvattr *dirforp, struct nfsvattr *diraftp,
|
|
int *diraft_retp, nfsattrbit_t *attrbitp,
|
|
NFSACL_T *aclp, NFSPROC_T *p, struct nfsexstuff *exp, char *pathcp,
|
|
int pathlen)
|
|
{
|
|
u_int32_t *tl;
|
|
|
|
nd->nd_repstat = nfsvno_symlink(ndp, nvap, pathcp, pathlen,
|
|
!(nd->nd_flag & ND_NFSV2), nd->nd_saveduid, nd->nd_cred, p, exp);
|
|
if (!nd->nd_repstat && !(nd->nd_flag & ND_NFSV2)) {
|
|
nfsrv_fixattr(nd, ndp->ni_vp, nvap, aclp, p, attrbitp, exp);
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
nd->nd_repstat = nfsvno_getfh(ndp->ni_vp, fhp, p);
|
|
if (!nd->nd_repstat)
|
|
nd->nd_repstat = nfsvno_getattr(ndp->ni_vp,
|
|
nvap, nd, p, 1, NULL);
|
|
}
|
|
if (vpp != NULL && nd->nd_repstat == 0) {
|
|
NFSVOPUNLOCK(ndp->ni_vp, 0);
|
|
*vpp = ndp->ni_vp;
|
|
} else
|
|
vput(ndp->ni_vp);
|
|
}
|
|
if (dirp) {
|
|
*diraft_retp = nfsvno_getattr(dirp, diraftp, nd, p, 0, NULL);
|
|
vrele(dirp);
|
|
}
|
|
if ((nd->nd_flag & ND_NFSV4) && !nd->nd_repstat) {
|
|
NFSM_BUILD(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
|
|
*tl++ = newnfs_false;
|
|
txdr_hyper(dirforp->na_filerev, tl);
|
|
tl += 2;
|
|
txdr_hyper(diraftp->na_filerev, tl);
|
|
(void) nfsrv_putattrbit(nd, attrbitp);
|
|
}
|
|
|
|
NFSEXITCODE2(0, nd);
|
|
}
|
|
|
|
/*
|
|
* nfs mkdir service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_mkdir(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t dp, vnode_t *vpp, fhandle_t *fhp, struct nfsexstuff *exp)
|
|
{
|
|
struct nfsvattr nva, dirfor, diraft;
|
|
struct nameidata named;
|
|
u_int32_t *tl;
|
|
int error = 0, dirfor_ret = 1, diraft_ret = 1;
|
|
vnode_t dirp = NULL;
|
|
char *bufp;
|
|
u_long *hashp;
|
|
struct thread *p = curthread;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
|
|
goto out;
|
|
}
|
|
NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, CREATE,
|
|
LOCKPARENT | SAVENAME | NOCACHE);
|
|
nfsvno_setpathbuf(&named, &bufp, &hashp);
|
|
error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
|
|
if (error)
|
|
goto nfsmout;
|
|
if (!nd->nd_repstat) {
|
|
NFSVNO_ATTRINIT(&nva);
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
error = nfsrv_sattr(nd, NULL, &nva, NULL, NULL, p);
|
|
if (error)
|
|
goto nfsmout;
|
|
} else {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
nva.na_mode = nfstov_mode(*tl++);
|
|
}
|
|
}
|
|
if (!nd->nd_repstat) {
|
|
nd->nd_repstat = nfsvno_namei(nd, &named, dp, 0, exp, p, &dirp);
|
|
} else {
|
|
vrele(dp);
|
|
nfsvno_relpathbuf(&named);
|
|
}
|
|
if (dirp != NULL && !(nd->nd_flag & ND_NFSV3)) {
|
|
vrele(dirp);
|
|
dirp = NULL;
|
|
}
|
|
if (nd->nd_repstat) {
|
|
if (dirp != NULL) {
|
|
dirfor_ret = nfsvno_getattr(dirp, &dirfor, nd, p, 0,
|
|
NULL);
|
|
vrele(dirp);
|
|
}
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret,
|
|
&diraft);
|
|
goto out;
|
|
}
|
|
if (dirp != NULL)
|
|
dirfor_ret = nfsvno_getattr(dirp, &dirfor, nd, p, 0, NULL);
|
|
|
|
/*
|
|
* Call nfsrvd_mkdirsub() for the code common to V4 as well.
|
|
*/
|
|
nfsrvd_mkdirsub(nd, &named, &nva, fhp, vpp, dirp, &dirfor, &diraft,
|
|
&diraft_ret, NULL, NULL, p, exp);
|
|
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
if (!nd->nd_repstat) {
|
|
(void) nfsm_fhtom(nd, (u_int8_t *)fhp, 0, 1);
|
|
nfsrv_postopattr(nd, 0, &nva);
|
|
}
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
|
|
} else if (!nd->nd_repstat) {
|
|
(void) nfsm_fhtom(nd, (u_int8_t *)fhp, 0, 0);
|
|
nfsrv_fillattr(nd, &nva);
|
|
}
|
|
|
|
out:
|
|
NFSEXITCODE2(0, nd);
|
|
return (0);
|
|
nfsmout:
|
|
vrele(dp);
|
|
nfsvno_relpathbuf(&named);
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Code common to mkdir for V2,3 and 4.
|
|
*/
|
|
static void
|
|
nfsrvd_mkdirsub(struct nfsrv_descript *nd, struct nameidata *ndp,
|
|
struct nfsvattr *nvap, fhandle_t *fhp, vnode_t *vpp,
|
|
vnode_t dirp, struct nfsvattr *dirforp, struct nfsvattr *diraftp,
|
|
int *diraft_retp, nfsattrbit_t *attrbitp, NFSACL_T *aclp,
|
|
NFSPROC_T *p, struct nfsexstuff *exp)
|
|
{
|
|
vnode_t vp;
|
|
u_int32_t *tl;
|
|
|
|
NFSVNO_SETATTRVAL(nvap, type, VDIR);
|
|
nd->nd_repstat = nfsvno_mkdir(ndp, nvap, nd->nd_saveduid,
|
|
nd->nd_cred, p, exp);
|
|
if (!nd->nd_repstat) {
|
|
vp = ndp->ni_vp;
|
|
nfsrv_fixattr(nd, vp, nvap, aclp, p, attrbitp, exp);
|
|
nd->nd_repstat = nfsvno_getfh(vp, fhp, p);
|
|
if (!(nd->nd_flag & ND_NFSV4) && !nd->nd_repstat)
|
|
nd->nd_repstat = nfsvno_getattr(vp, nvap, nd, p, 1,
|
|
NULL);
|
|
if (vpp && !nd->nd_repstat) {
|
|
NFSVOPUNLOCK(vp, 0);
|
|
*vpp = vp;
|
|
} else {
|
|
vput(vp);
|
|
}
|
|
}
|
|
if (dirp) {
|
|
*diraft_retp = nfsvno_getattr(dirp, diraftp, nd, p, 0, NULL);
|
|
vrele(dirp);
|
|
}
|
|
if ((nd->nd_flag & ND_NFSV4) && !nd->nd_repstat) {
|
|
NFSM_BUILD(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
|
|
*tl++ = newnfs_false;
|
|
txdr_hyper(dirforp->na_filerev, tl);
|
|
tl += 2;
|
|
txdr_hyper(diraftp->na_filerev, tl);
|
|
(void) nfsrv_putattrbit(nd, attrbitp);
|
|
}
|
|
|
|
NFSEXITCODE2(0, nd);
|
|
}
|
|
|
|
/*
|
|
* nfs commit service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_commit(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
struct nfsvattr bfor, aft;
|
|
u_int32_t *tl;
|
|
int error = 0, for_ret = 1, aft_ret = 1, cnt;
|
|
u_int64_t off;
|
|
struct thread *p = curthread;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_wcc(nd, for_ret, &bfor, aft_ret, &aft);
|
|
goto out;
|
|
}
|
|
|
|
/* Return NFSERR_ISDIR in NFSv4 when commit on a directory. */
|
|
if (vp->v_type != VREG) {
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
error = NFSERR_NOTSUPP;
|
|
else
|
|
error = (vp->v_type == VDIR) ? NFSERR_ISDIR : NFSERR_INVAL;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
|
|
|
|
/*
|
|
* XXX At this time VOP_FSYNC() does not accept offset and byte
|
|
* count parameters, so these arguments are useless (someday maybe).
|
|
*/
|
|
off = fxdr_hyper(tl);
|
|
tl += 2;
|
|
cnt = fxdr_unsigned(int, *tl);
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
for_ret = nfsvno_getattr(vp, &bfor, nd, p, 1, NULL);
|
|
nd->nd_repstat = nfsvno_fsync(vp, off, cnt, nd->nd_cred, p);
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
aft_ret = nfsvno_getattr(vp, &aft, nd, p, 1, NULL);
|
|
nfsrv_wcc(nd, for_ret, &bfor, aft_ret, &aft);
|
|
}
|
|
vput(vp);
|
|
if (!nd->nd_repstat) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_VERF);
|
|
*tl++ = txdr_unsigned(nfsboottime.tv_sec);
|
|
*tl = txdr_unsigned(nfsboottime.tv_usec);
|
|
}
|
|
|
|
out:
|
|
NFSEXITCODE2(0, nd);
|
|
return (0);
|
|
nfsmout:
|
|
vput(vp);
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs statfs service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_statfs(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
struct statfs *sf;
|
|
u_int32_t *tl;
|
|
int getret = 1;
|
|
struct nfsvattr at;
|
|
u_quad_t tval;
|
|
struct thread *p = curthread;
|
|
|
|
sf = NULL;
|
|
if (nd->nd_repstat) {
|
|
nfsrv_postopattr(nd, getret, &at);
|
|
goto out;
|
|
}
|
|
sf = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
|
|
nd->nd_repstat = nfsvno_statfs(vp, sf);
|
|
getret = nfsvno_getattr(vp, &at, nd, p, 1, NULL);
|
|
vput(vp);
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
nfsrv_postopattr(nd, getret, &at);
|
|
if (nd->nd_repstat)
|
|
goto out;
|
|
if (nd->nd_flag & ND_NFSV2) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_V2STATFS);
|
|
*tl++ = txdr_unsigned(NFS_V2MAXDATA);
|
|
*tl++ = txdr_unsigned(sf->f_bsize);
|
|
*tl++ = txdr_unsigned(sf->f_blocks);
|
|
*tl++ = txdr_unsigned(sf->f_bfree);
|
|
*tl = txdr_unsigned(sf->f_bavail);
|
|
} else {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_V3STATFS);
|
|
tval = (u_quad_t)sf->f_blocks;
|
|
tval *= (u_quad_t)sf->f_bsize;
|
|
txdr_hyper(tval, tl); tl += 2;
|
|
tval = (u_quad_t)sf->f_bfree;
|
|
tval *= (u_quad_t)sf->f_bsize;
|
|
txdr_hyper(tval, tl); tl += 2;
|
|
tval = (u_quad_t)sf->f_bavail;
|
|
tval *= (u_quad_t)sf->f_bsize;
|
|
txdr_hyper(tval, tl); tl += 2;
|
|
tval = (u_quad_t)sf->f_files;
|
|
txdr_hyper(tval, tl); tl += 2;
|
|
tval = (u_quad_t)sf->f_ffree;
|
|
txdr_hyper(tval, tl); tl += 2;
|
|
tval = (u_quad_t)sf->f_ffree;
|
|
txdr_hyper(tval, tl); tl += 2;
|
|
*tl = 0;
|
|
}
|
|
|
|
out:
|
|
free(sf, M_STATFS);
|
|
NFSEXITCODE2(0, nd);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* nfs fsinfo service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_fsinfo(struct nfsrv_descript *nd, int isdgram,
|
|
vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsfsinfo fs;
|
|
int getret = 1;
|
|
struct nfsvattr at;
|
|
struct thread *p = curthread;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_postopattr(nd, getret, &at);
|
|
goto out;
|
|
}
|
|
getret = nfsvno_getattr(vp, &at, nd, p, 1, NULL);
|
|
nfsvno_getfs(&fs, isdgram);
|
|
vput(vp);
|
|
nfsrv_postopattr(nd, getret, &at);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_V3FSINFO);
|
|
*tl++ = txdr_unsigned(fs.fs_rtmax);
|
|
*tl++ = txdr_unsigned(fs.fs_rtpref);
|
|
*tl++ = txdr_unsigned(fs.fs_rtmult);
|
|
*tl++ = txdr_unsigned(fs.fs_wtmax);
|
|
*tl++ = txdr_unsigned(fs.fs_wtpref);
|
|
*tl++ = txdr_unsigned(fs.fs_wtmult);
|
|
*tl++ = txdr_unsigned(fs.fs_dtpref);
|
|
txdr_hyper(fs.fs_maxfilesize, tl);
|
|
tl += 2;
|
|
txdr_nfsv3time(&fs.fs_timedelta, tl);
|
|
tl += 2;
|
|
*tl = txdr_unsigned(fs.fs_properties);
|
|
|
|
out:
|
|
NFSEXITCODE2(0, nd);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* nfs pathconf service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_pathconf(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
struct nfsv3_pathconf *pc;
|
|
int getret = 1;
|
|
long linkmax, namemax, chownres, notrunc;
|
|
struct nfsvattr at;
|
|
struct thread *p = curthread;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_postopattr(nd, getret, &at);
|
|
goto out;
|
|
}
|
|
nd->nd_repstat = nfsvno_pathconf(vp, _PC_LINK_MAX, &linkmax,
|
|
nd->nd_cred, p);
|
|
if (!nd->nd_repstat)
|
|
nd->nd_repstat = nfsvno_pathconf(vp, _PC_NAME_MAX, &namemax,
|
|
nd->nd_cred, p);
|
|
if (!nd->nd_repstat)
|
|
nd->nd_repstat=nfsvno_pathconf(vp, _PC_CHOWN_RESTRICTED,
|
|
&chownres, nd->nd_cred, p);
|
|
if (!nd->nd_repstat)
|
|
nd->nd_repstat = nfsvno_pathconf(vp, _PC_NO_TRUNC, ¬runc,
|
|
nd->nd_cred, p);
|
|
getret = nfsvno_getattr(vp, &at, nd, p, 1, NULL);
|
|
vput(vp);
|
|
nfsrv_postopattr(nd, getret, &at);
|
|
if (!nd->nd_repstat) {
|
|
NFSM_BUILD(pc, struct nfsv3_pathconf *, NFSX_V3PATHCONF);
|
|
pc->pc_linkmax = txdr_unsigned(linkmax);
|
|
pc->pc_namemax = txdr_unsigned(namemax);
|
|
pc->pc_notrunc = txdr_unsigned(notrunc);
|
|
pc->pc_chownrestricted = txdr_unsigned(chownres);
|
|
|
|
/*
|
|
* These should probably be supported by VOP_PATHCONF(), but
|
|
* until msdosfs is exportable (why would you want to?), the
|
|
* Unix defaults should be ok.
|
|
*/
|
|
pc->pc_caseinsensitive = newnfs_false;
|
|
pc->pc_casepreserving = newnfs_true;
|
|
}
|
|
|
|
out:
|
|
NFSEXITCODE2(0, nd);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 lock service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_lock(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
int i;
|
|
struct nfsstate *stp = NULL;
|
|
struct nfslock *lop;
|
|
struct nfslockconflict cf;
|
|
int error = 0;
|
|
u_short flags = NFSLCK_LOCK, lflags;
|
|
u_int64_t offset, len;
|
|
nfsv4stateid_t stateid;
|
|
nfsquad_t clientid;
|
|
struct thread *p = curthread;
|
|
|
|
NFSM_DISSECT(tl, u_int32_t *, 7 * NFSX_UNSIGNED);
|
|
i = fxdr_unsigned(int, *tl++);
|
|
switch (i) {
|
|
case NFSV4LOCKT_READW:
|
|
flags |= NFSLCK_BLOCKING;
|
|
case NFSV4LOCKT_READ:
|
|
lflags = NFSLCK_READ;
|
|
break;
|
|
case NFSV4LOCKT_WRITEW:
|
|
flags |= NFSLCK_BLOCKING;
|
|
case NFSV4LOCKT_WRITE:
|
|
lflags = NFSLCK_WRITE;
|
|
break;
|
|
default:
|
|
nd->nd_repstat = NFSERR_BADXDR;
|
|
goto nfsmout;
|
|
}
|
|
if (*tl++ == newnfs_true)
|
|
flags |= NFSLCK_RECLAIM;
|
|
offset = fxdr_hyper(tl);
|
|
tl += 2;
|
|
len = fxdr_hyper(tl);
|
|
tl += 2;
|
|
if (*tl == newnfs_true)
|
|
flags |= NFSLCK_OPENTOLOCK;
|
|
if (flags & NFSLCK_OPENTOLOCK) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 5 * NFSX_UNSIGNED + NFSX_STATEID);
|
|
i = fxdr_unsigned(int, *(tl+4+(NFSX_STATEID / NFSX_UNSIGNED)));
|
|
if (i <= 0 || i > NFSV4_OPAQUELIMIT) {
|
|
nd->nd_repstat = NFSERR_BADXDR;
|
|
goto nfsmout;
|
|
}
|
|
stp = malloc(sizeof (struct nfsstate) + i,
|
|
M_NFSDSTATE, M_WAITOK);
|
|
stp->ls_ownerlen = i;
|
|
stp->ls_op = nd->nd_rp;
|
|
stp->ls_seq = fxdr_unsigned(int, *tl++);
|
|
stp->ls_stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
|
|
NFSBCOPY((caddr_t)tl, (caddr_t)stp->ls_stateid.other,
|
|
NFSX_STATEIDOTHER);
|
|
tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
|
|
|
|
/*
|
|
* For the special stateid of other all 0s and seqid == 1, set
|
|
* the stateid to the current stateid, if it is set.
|
|
*/
|
|
if ((nd->nd_flag & ND_NFSV41) != 0 &&
|
|
stp->ls_stateid.seqid == 1 &&
|
|
stp->ls_stateid.other[0] == 0 &&
|
|
stp->ls_stateid.other[1] == 0 &&
|
|
stp->ls_stateid.other[2] == 0) {
|
|
if ((nd->nd_flag & ND_CURSTATEID) != 0) {
|
|
stp->ls_stateid = nd->nd_curstateid;
|
|
stp->ls_stateid.seqid = 0;
|
|
} else {
|
|
nd->nd_repstat = NFSERR_BADSTATEID;
|
|
goto nfsmout;
|
|
}
|
|
}
|
|
|
|
stp->ls_opentolockseq = fxdr_unsigned(int, *tl++);
|
|
clientid.lval[0] = *tl++;
|
|
clientid.lval[1] = *tl++;
|
|
if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
clientid.qval = nd->nd_clientid.qval;
|
|
else if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK3 multiple clids\n");
|
|
} else {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
printf("EEK! no clientid from session\n");
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
error = nfsrv_mtostr(nd, stp->ls_owner, stp->ls_ownerlen);
|
|
if (error)
|
|
goto nfsmout;
|
|
} else {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID + NFSX_UNSIGNED);
|
|
stp = malloc(sizeof (struct nfsstate),
|
|
M_NFSDSTATE, M_WAITOK);
|
|
stp->ls_ownerlen = 0;
|
|
stp->ls_op = nd->nd_rp;
|
|
stp->ls_stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
|
|
NFSBCOPY((caddr_t)tl, (caddr_t)stp->ls_stateid.other,
|
|
NFSX_STATEIDOTHER);
|
|
tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
|
|
|
|
/*
|
|
* For the special stateid of other all 0s and seqid == 1, set
|
|
* the stateid to the current stateid, if it is set.
|
|
*/
|
|
if ((nd->nd_flag & ND_NFSV41) != 0 &&
|
|
stp->ls_stateid.seqid == 1 &&
|
|
stp->ls_stateid.other[0] == 0 &&
|
|
stp->ls_stateid.other[1] == 0 &&
|
|
stp->ls_stateid.other[2] == 0) {
|
|
if ((nd->nd_flag & ND_CURSTATEID) != 0) {
|
|
stp->ls_stateid = nd->nd_curstateid;
|
|
stp->ls_stateid.seqid = 0;
|
|
} else {
|
|
nd->nd_repstat = NFSERR_BADSTATEID;
|
|
goto nfsmout;
|
|
}
|
|
}
|
|
|
|
stp->ls_seq = fxdr_unsigned(int, *tl);
|
|
clientid.lval[0] = stp->ls_stateid.other[0];
|
|
clientid.lval[1] = stp->ls_stateid.other[1];
|
|
if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
clientid.qval = nd->nd_clientid.qval;
|
|
else if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK4 multiple clids\n");
|
|
} else {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
printf("EEK! no clientid from session\n");
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
}
|
|
lop = malloc(sizeof (struct nfslock),
|
|
M_NFSDLOCK, M_WAITOK);
|
|
lop->lo_first = offset;
|
|
if (len == NFS64BITSSET) {
|
|
lop->lo_end = NFS64BITSSET;
|
|
} else {
|
|
lop->lo_end = offset + len;
|
|
if (lop->lo_end <= lop->lo_first)
|
|
nd->nd_repstat = NFSERR_INVAL;
|
|
}
|
|
lop->lo_flags = lflags;
|
|
stp->ls_flags = flags;
|
|
stp->ls_uid = nd->nd_cred->cr_uid;
|
|
|
|
/*
|
|
* Do basic access checking.
|
|
*/
|
|
if (!nd->nd_repstat && vnode_vtype(vp) != VREG) {
|
|
if (vnode_vtype(vp) == VDIR)
|
|
nd->nd_repstat = NFSERR_ISDIR;
|
|
else
|
|
nd->nd_repstat = NFSERR_INVAL;
|
|
}
|
|
if (!nd->nd_repstat) {
|
|
if (lflags & NFSLCK_WRITE) {
|
|
nd->nd_repstat = nfsvno_accchk(vp, VWRITE,
|
|
nd->nd_cred, exp, p, NFSACCCHK_ALLOWOWNER,
|
|
NFSACCCHK_VPISLOCKED, NULL);
|
|
} else {
|
|
nd->nd_repstat = nfsvno_accchk(vp, VREAD,
|
|
nd->nd_cred, exp, p, NFSACCCHK_ALLOWOWNER,
|
|
NFSACCCHK_VPISLOCKED, NULL);
|
|
if (nd->nd_repstat)
|
|
nd->nd_repstat = nfsvno_accchk(vp, VEXEC,
|
|
nd->nd_cred, exp, p, NFSACCCHK_ALLOWOWNER,
|
|
NFSACCCHK_VPISLOCKED, NULL);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* We call nfsrv_lockctrl() even if nd_repstat set, so that the
|
|
* seqid# gets updated. nfsrv_lockctrl() will return the value
|
|
* of nd_repstat, if it gets that far.
|
|
*/
|
|
nd->nd_repstat = nfsrv_lockctrl(vp, &stp, &lop, &cf, clientid,
|
|
&stateid, exp, nd, p);
|
|
if (lop)
|
|
free(lop, M_NFSDLOCK);
|
|
if (stp)
|
|
free(stp, M_NFSDSTATE);
|
|
if (!nd->nd_repstat) {
|
|
/* For NFSv4.1, set the Current StateID. */
|
|
if ((nd->nd_flag & ND_NFSV41) != 0) {
|
|
nd->nd_curstateid = stateid;
|
|
nd->nd_flag |= ND_CURSTATEID;
|
|
}
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID);
|
|
*tl++ = txdr_unsigned(stateid.seqid);
|
|
NFSBCOPY((caddr_t)stateid.other,(caddr_t)tl,NFSX_STATEIDOTHER);
|
|
} else if (nd->nd_repstat == NFSERR_DENIED) {
|
|
NFSM_BUILD(tl, u_int32_t *, 7 * NFSX_UNSIGNED);
|
|
txdr_hyper(cf.cl_first, tl);
|
|
tl += 2;
|
|
if (cf.cl_end == NFS64BITSSET)
|
|
len = NFS64BITSSET;
|
|
else
|
|
len = cf.cl_end - cf.cl_first;
|
|
txdr_hyper(len, tl);
|
|
tl += 2;
|
|
if (cf.cl_flags == NFSLCK_WRITE)
|
|
*tl++ = txdr_unsigned(NFSV4LOCKT_WRITE);
|
|
else
|
|
*tl++ = txdr_unsigned(NFSV4LOCKT_READ);
|
|
*tl++ = stateid.other[0];
|
|
*tl = stateid.other[1];
|
|
(void) nfsm_strtom(nd, cf.cl_owner, cf.cl_ownerlen);
|
|
}
|
|
vput(vp);
|
|
NFSEXITCODE2(0, nd);
|
|
return (0);
|
|
nfsmout:
|
|
vput(vp);
|
|
if (stp)
|
|
free(stp, M_NFSDSTATE);
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 lock test service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_lockt(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
int i;
|
|
struct nfsstate *stp = NULL;
|
|
struct nfslock lo, *lop = &lo;
|
|
struct nfslockconflict cf;
|
|
int error = 0;
|
|
nfsv4stateid_t stateid;
|
|
nfsquad_t clientid;
|
|
u_int64_t len;
|
|
struct thread *p = curthread;
|
|
|
|
NFSM_DISSECT(tl, u_int32_t *, 8 * NFSX_UNSIGNED);
|
|
i = fxdr_unsigned(int, *(tl + 7));
|
|
if (i <= 0 || i > NFSV4_OPAQUELIMIT) {
|
|
nd->nd_repstat = NFSERR_BADXDR;
|
|
goto nfsmout;
|
|
}
|
|
stp = malloc(sizeof (struct nfsstate) + i,
|
|
M_NFSDSTATE, M_WAITOK);
|
|
stp->ls_ownerlen = i;
|
|
stp->ls_op = NULL;
|
|
stp->ls_flags = NFSLCK_TEST;
|
|
stp->ls_uid = nd->nd_cred->cr_uid;
|
|
i = fxdr_unsigned(int, *tl++);
|
|
switch (i) {
|
|
case NFSV4LOCKT_READW:
|
|
stp->ls_flags |= NFSLCK_BLOCKING;
|
|
case NFSV4LOCKT_READ:
|
|
lo.lo_flags = NFSLCK_READ;
|
|
break;
|
|
case NFSV4LOCKT_WRITEW:
|
|
stp->ls_flags |= NFSLCK_BLOCKING;
|
|
case NFSV4LOCKT_WRITE:
|
|
lo.lo_flags = NFSLCK_WRITE;
|
|
break;
|
|
default:
|
|
nd->nd_repstat = NFSERR_BADXDR;
|
|
goto nfsmout;
|
|
}
|
|
lo.lo_first = fxdr_hyper(tl);
|
|
tl += 2;
|
|
len = fxdr_hyper(tl);
|
|
if (len == NFS64BITSSET) {
|
|
lo.lo_end = NFS64BITSSET;
|
|
} else {
|
|
lo.lo_end = lo.lo_first + len;
|
|
if (lo.lo_end <= lo.lo_first)
|
|
nd->nd_repstat = NFSERR_INVAL;
|
|
}
|
|
tl += 2;
|
|
clientid.lval[0] = *tl++;
|
|
clientid.lval[1] = *tl;
|
|
if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
clientid.qval = nd->nd_clientid.qval;
|
|
else if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK5 multiple clids\n");
|
|
} else {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
printf("EEK! no clientid from session\n");
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
error = nfsrv_mtostr(nd, stp->ls_owner, stp->ls_ownerlen);
|
|
if (error)
|
|
goto nfsmout;
|
|
if (!nd->nd_repstat && vnode_vtype(vp) != VREG) {
|
|
if (vnode_vtype(vp) == VDIR)
|
|
nd->nd_repstat = NFSERR_ISDIR;
|
|
else
|
|
nd->nd_repstat = NFSERR_INVAL;
|
|
}
|
|
if (!nd->nd_repstat)
|
|
nd->nd_repstat = nfsrv_lockctrl(vp, &stp, &lop, &cf, clientid,
|
|
&stateid, exp, nd, p);
|
|
if (nd->nd_repstat) {
|
|
if (nd->nd_repstat == NFSERR_DENIED) {
|
|
NFSM_BUILD(tl, u_int32_t *, 7 * NFSX_UNSIGNED);
|
|
txdr_hyper(cf.cl_first, tl);
|
|
tl += 2;
|
|
if (cf.cl_end == NFS64BITSSET)
|
|
len = NFS64BITSSET;
|
|
else
|
|
len = cf.cl_end - cf.cl_first;
|
|
txdr_hyper(len, tl);
|
|
tl += 2;
|
|
if (cf.cl_flags == NFSLCK_WRITE)
|
|
*tl++ = txdr_unsigned(NFSV4LOCKT_WRITE);
|
|
else
|
|
*tl++ = txdr_unsigned(NFSV4LOCKT_READ);
|
|
*tl++ = stp->ls_stateid.other[0];
|
|
*tl = stp->ls_stateid.other[1];
|
|
(void) nfsm_strtom(nd, cf.cl_owner, cf.cl_ownerlen);
|
|
}
|
|
}
|
|
vput(vp);
|
|
if (stp)
|
|
free(stp, M_NFSDSTATE);
|
|
NFSEXITCODE2(0, nd);
|
|
return (0);
|
|
nfsmout:
|
|
vput(vp);
|
|
if (stp)
|
|
free(stp, M_NFSDSTATE);
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 unlock service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_locku(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
int i;
|
|
struct nfsstate *stp;
|
|
struct nfslock *lop;
|
|
int error = 0;
|
|
nfsv4stateid_t stateid;
|
|
nfsquad_t clientid;
|
|
u_int64_t len;
|
|
struct thread *p = curthread;
|
|
|
|
NFSM_DISSECT(tl, u_int32_t *, 6 * NFSX_UNSIGNED + NFSX_STATEID);
|
|
stp = malloc(sizeof (struct nfsstate),
|
|
M_NFSDSTATE, M_WAITOK);
|
|
lop = malloc(sizeof (struct nfslock),
|
|
M_NFSDLOCK, M_WAITOK);
|
|
stp->ls_flags = NFSLCK_UNLOCK;
|
|
lop->lo_flags = NFSLCK_UNLOCK;
|
|
stp->ls_op = nd->nd_rp;
|
|
i = fxdr_unsigned(int, *tl++);
|
|
switch (i) {
|
|
case NFSV4LOCKT_READW:
|
|
stp->ls_flags |= NFSLCK_BLOCKING;
|
|
case NFSV4LOCKT_READ:
|
|
break;
|
|
case NFSV4LOCKT_WRITEW:
|
|
stp->ls_flags |= NFSLCK_BLOCKING;
|
|
case NFSV4LOCKT_WRITE:
|
|
break;
|
|
default:
|
|
nd->nd_repstat = NFSERR_BADXDR;
|
|
free(stp, M_NFSDSTATE);
|
|
free(lop, M_NFSDLOCK);
|
|
goto nfsmout;
|
|
}
|
|
stp->ls_ownerlen = 0;
|
|
stp->ls_uid = nd->nd_cred->cr_uid;
|
|
stp->ls_seq = fxdr_unsigned(int, *tl++);
|
|
stp->ls_stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
|
|
NFSBCOPY((caddr_t)tl, (caddr_t)stp->ls_stateid.other,
|
|
NFSX_STATEIDOTHER);
|
|
tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
|
|
|
|
/*
|
|
* For the special stateid of other all 0s and seqid == 1, set the
|
|
* stateid to the current stateid, if it is set.
|
|
*/
|
|
if ((nd->nd_flag & ND_NFSV41) != 0 && stp->ls_stateid.seqid == 1 &&
|
|
stp->ls_stateid.other[0] == 0 && stp->ls_stateid.other[1] == 0 &&
|
|
stp->ls_stateid.other[2] == 0) {
|
|
if ((nd->nd_flag & ND_CURSTATEID) != 0) {
|
|
stp->ls_stateid = nd->nd_curstateid;
|
|
stp->ls_stateid.seqid = 0;
|
|
} else {
|
|
nd->nd_repstat = NFSERR_BADSTATEID;
|
|
goto nfsmout;
|
|
}
|
|
}
|
|
|
|
lop->lo_first = fxdr_hyper(tl);
|
|
tl += 2;
|
|
len = fxdr_hyper(tl);
|
|
if (len == NFS64BITSSET) {
|
|
lop->lo_end = NFS64BITSSET;
|
|
} else {
|
|
lop->lo_end = lop->lo_first + len;
|
|
if (lop->lo_end <= lop->lo_first)
|
|
nd->nd_repstat = NFSERR_INVAL;
|
|
}
|
|
clientid.lval[0] = stp->ls_stateid.other[0];
|
|
clientid.lval[1] = stp->ls_stateid.other[1];
|
|
if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
clientid.qval = nd->nd_clientid.qval;
|
|
else if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK6 multiple clids\n");
|
|
} else {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
printf("EEK! no clientid from session\n");
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
if (!nd->nd_repstat && vnode_vtype(vp) != VREG) {
|
|
if (vnode_vtype(vp) == VDIR)
|
|
nd->nd_repstat = NFSERR_ISDIR;
|
|
else
|
|
nd->nd_repstat = NFSERR_INVAL;
|
|
}
|
|
/*
|
|
* Call nfsrv_lockctrl() even if nd_repstat is set, so that the
|
|
* seqid# gets incremented. nfsrv_lockctrl() will return the
|
|
* value of nd_repstat, if it gets that far.
|
|
*/
|
|
nd->nd_repstat = nfsrv_lockctrl(vp, &stp, &lop, NULL, clientid,
|
|
&stateid, exp, nd, p);
|
|
if (stp)
|
|
free(stp, M_NFSDSTATE);
|
|
if (lop)
|
|
free(lop, M_NFSDLOCK);
|
|
if (!nd->nd_repstat) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID);
|
|
*tl++ = txdr_unsigned(stateid.seqid);
|
|
NFSBCOPY((caddr_t)stateid.other,(caddr_t)tl,NFSX_STATEIDOTHER);
|
|
}
|
|
nfsmout:
|
|
vput(vp);
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 open service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_open(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t dp, vnode_t *vpp, __unused fhandle_t *fhp, struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
int i, retext;
|
|
struct nfsstate *stp = NULL;
|
|
int error = 0, create, claim, exclusive_flag = 0;
|
|
u_int32_t rflags = NFSV4OPEN_LOCKTYPEPOSIX, acemask;
|
|
int how = NFSCREATE_UNCHECKED;
|
|
int32_t cverf[2], tverf[2] = { 0, 0 };
|
|
vnode_t vp = NULL, dirp = NULL;
|
|
struct nfsvattr nva, dirfor, diraft;
|
|
struct nameidata named;
|
|
nfsv4stateid_t stateid, delegstateid;
|
|
nfsattrbit_t attrbits;
|
|
nfsquad_t clientid;
|
|
char *bufp = NULL;
|
|
u_long *hashp;
|
|
NFSACL_T *aclp = NULL;
|
|
struct thread *p = curthread;
|
|
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
aclp = acl_alloc(M_WAITOK);
|
|
aclp->acl_cnt = 0;
|
|
#endif
|
|
NFSZERO_ATTRBIT(&attrbits);
|
|
named.ni_startdir = NULL;
|
|
named.ni_cnd.cn_nameiop = 0;
|
|
NFSM_DISSECT(tl, u_int32_t *, 6 * NFSX_UNSIGNED);
|
|
i = fxdr_unsigned(int, *(tl + 5));
|
|
if (i <= 0 || i > NFSV4_OPAQUELIMIT) {
|
|
nd->nd_repstat = NFSERR_BADXDR;
|
|
goto nfsmout;
|
|
}
|
|
stp = malloc(sizeof (struct nfsstate) + i,
|
|
M_NFSDSTATE, M_WAITOK);
|
|
stp->ls_ownerlen = i;
|
|
stp->ls_op = nd->nd_rp;
|
|
stp->ls_flags = NFSLCK_OPEN;
|
|
stp->ls_uid = nd->nd_cred->cr_uid;
|
|
stp->ls_seq = fxdr_unsigned(u_int32_t, *tl++);
|
|
i = fxdr_unsigned(int, *tl++);
|
|
retext = 0;
|
|
if ((i & (NFSV4OPEN_WANTDELEGMASK | NFSV4OPEN_WANTSIGNALDELEG |
|
|
NFSV4OPEN_WANTPUSHDELEG)) != 0 && (nd->nd_flag & ND_NFSV41) != 0) {
|
|
retext = 1;
|
|
/* For now, ignore these. */
|
|
i &= ~(NFSV4OPEN_WANTPUSHDELEG | NFSV4OPEN_WANTSIGNALDELEG);
|
|
switch (i & NFSV4OPEN_WANTDELEGMASK) {
|
|
case NFSV4OPEN_WANTANYDELEG:
|
|
stp->ls_flags |= (NFSLCK_WANTRDELEG |
|
|
NFSLCK_WANTWDELEG);
|
|
i &= ~NFSV4OPEN_WANTDELEGMASK;
|
|
break;
|
|
case NFSV4OPEN_WANTREADDELEG:
|
|
stp->ls_flags |= NFSLCK_WANTRDELEG;
|
|
i &= ~NFSV4OPEN_WANTDELEGMASK;
|
|
break;
|
|
case NFSV4OPEN_WANTWRITEDELEG:
|
|
stp->ls_flags |= NFSLCK_WANTWDELEG;
|
|
i &= ~NFSV4OPEN_WANTDELEGMASK;
|
|
break;
|
|
case NFSV4OPEN_WANTNODELEG:
|
|
stp->ls_flags |= NFSLCK_WANTNODELEG;
|
|
i &= ~NFSV4OPEN_WANTDELEGMASK;
|
|
break;
|
|
case NFSV4OPEN_WANTCANCEL:
|
|
printf("NFSv4: ignore Open WantCancel\n");
|
|
i &= ~NFSV4OPEN_WANTDELEGMASK;
|
|
break;
|
|
default:
|
|
/* nd_repstat will be set to NFSERR_INVAL below. */
|
|
break;
|
|
}
|
|
}
|
|
switch (i) {
|
|
case NFSV4OPEN_ACCESSREAD:
|
|
stp->ls_flags |= NFSLCK_READACCESS;
|
|
break;
|
|
case NFSV4OPEN_ACCESSWRITE:
|
|
stp->ls_flags |= NFSLCK_WRITEACCESS;
|
|
break;
|
|
case NFSV4OPEN_ACCESSBOTH:
|
|
stp->ls_flags |= (NFSLCK_READACCESS | NFSLCK_WRITEACCESS);
|
|
break;
|
|
default:
|
|
nd->nd_repstat = NFSERR_INVAL;
|
|
}
|
|
i = fxdr_unsigned(int, *tl++);
|
|
switch (i) {
|
|
case NFSV4OPEN_DENYNONE:
|
|
break;
|
|
case NFSV4OPEN_DENYREAD:
|
|
stp->ls_flags |= NFSLCK_READDENY;
|
|
break;
|
|
case NFSV4OPEN_DENYWRITE:
|
|
stp->ls_flags |= NFSLCK_WRITEDENY;
|
|
break;
|
|
case NFSV4OPEN_DENYBOTH:
|
|
stp->ls_flags |= (NFSLCK_READDENY | NFSLCK_WRITEDENY);
|
|
break;
|
|
default:
|
|
nd->nd_repstat = NFSERR_INVAL;
|
|
}
|
|
clientid.lval[0] = *tl++;
|
|
clientid.lval[1] = *tl;
|
|
if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
clientid.qval = nd->nd_clientid.qval;
|
|
else if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK7 multiple clids\n");
|
|
} else {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
printf("EEK! no clientid from session\n");
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
error = nfsrv_mtostr(nd, stp->ls_owner, stp->ls_ownerlen);
|
|
if (error)
|
|
goto nfsmout;
|
|
NFSVNO_ATTRINIT(&nva);
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
create = fxdr_unsigned(int, *tl);
|
|
if (!nd->nd_repstat)
|
|
nd->nd_repstat = nfsvno_getattr(dp, &dirfor, nd, p, 0, NULL);
|
|
if (create == NFSV4OPEN_CREATE) {
|
|
nva.na_type = VREG;
|
|
nva.na_mode = 0;
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
how = fxdr_unsigned(int, *tl);
|
|
switch (how) {
|
|
case NFSCREATE_UNCHECKED:
|
|
case NFSCREATE_GUARDED:
|
|
error = nfsv4_sattr(nd, NULL, &nva, &attrbits, aclp, p);
|
|
if (error)
|
|
goto nfsmout;
|
|
/*
|
|
* If the na_gid being set is the same as that of
|
|
* the directory it is going in, clear it, since
|
|
* that is what will be set by default. This allows
|
|
* a user that isn't in that group to do the create.
|
|
*/
|
|
if (!nd->nd_repstat && NFSVNO_ISSETGID(&nva) &&
|
|
nva.na_gid == dirfor.na_gid)
|
|
NFSVNO_UNSET(&nva, gid);
|
|
if (!nd->nd_repstat)
|
|
nd->nd_repstat = nfsrv_checkuidgid(nd, &nva);
|
|
break;
|
|
case NFSCREATE_EXCLUSIVE:
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_VERF);
|
|
cverf[0] = *tl++;
|
|
cverf[1] = *tl;
|
|
break;
|
|
case NFSCREATE_EXCLUSIVE41:
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_VERF);
|
|
cverf[0] = *tl++;
|
|
cverf[1] = *tl;
|
|
error = nfsv4_sattr(nd, vp, &nva, &attrbits, aclp, p);
|
|
if (error != 0)
|
|
goto nfsmout;
|
|
if (NFSISSET_ATTRBIT(&attrbits,
|
|
NFSATTRBIT_TIMEACCESSSET))
|
|
nd->nd_repstat = NFSERR_INVAL;
|
|
/*
|
|
* If the na_gid being set is the same as that of
|
|
* the directory it is going in, clear it, since
|
|
* that is what will be set by default. This allows
|
|
* a user that isn't in that group to do the create.
|
|
*/
|
|
if (nd->nd_repstat == 0 && NFSVNO_ISSETGID(&nva) &&
|
|
nva.na_gid == dirfor.na_gid)
|
|
NFSVNO_UNSET(&nva, gid);
|
|
if (nd->nd_repstat == 0)
|
|
nd->nd_repstat = nfsrv_checkuidgid(nd, &nva);
|
|
break;
|
|
default:
|
|
nd->nd_repstat = NFSERR_BADXDR;
|
|
goto nfsmout;
|
|
}
|
|
} else if (create != NFSV4OPEN_NOCREATE) {
|
|
nd->nd_repstat = NFSERR_BADXDR;
|
|
goto nfsmout;
|
|
}
|
|
|
|
/*
|
|
* Now, handle the claim, which usually includes looking up a
|
|
* name in the directory referenced by dp. The exception is
|
|
* NFSV4OPEN_CLAIMPREVIOUS.
|
|
*/
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
claim = fxdr_unsigned(int, *tl);
|
|
if (claim == NFSV4OPEN_CLAIMDELEGATECUR) {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID);
|
|
stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
|
|
NFSBCOPY((caddr_t)tl,(caddr_t)stateid.other,NFSX_STATEIDOTHER);
|
|
stp->ls_flags |= NFSLCK_DELEGCUR;
|
|
} else if (claim == NFSV4OPEN_CLAIMDELEGATEPREV) {
|
|
stp->ls_flags |= NFSLCK_DELEGPREV;
|
|
}
|
|
if (claim == NFSV4OPEN_CLAIMNULL || claim == NFSV4OPEN_CLAIMDELEGATECUR
|
|
|| claim == NFSV4OPEN_CLAIMDELEGATEPREV) {
|
|
if (!nd->nd_repstat && create == NFSV4OPEN_CREATE &&
|
|
claim != NFSV4OPEN_CLAIMNULL)
|
|
nd->nd_repstat = NFSERR_INVAL;
|
|
if (nd->nd_repstat) {
|
|
nd->nd_repstat = nfsrv_opencheck(clientid,
|
|
&stateid, stp, NULL, nd, p, nd->nd_repstat);
|
|
goto nfsmout;
|
|
}
|
|
if (create == NFSV4OPEN_CREATE)
|
|
NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, CREATE,
|
|
LOCKPARENT | LOCKLEAF | SAVESTART | NOCACHE);
|
|
else
|
|
NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, LOOKUP,
|
|
LOCKLEAF | SAVESTART);
|
|
nfsvno_setpathbuf(&named, &bufp, &hashp);
|
|
error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
|
|
if (error) {
|
|
vrele(dp);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
free(stp, M_NFSDSTATE);
|
|
nfsvno_relpathbuf(&named);
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
if (!nd->nd_repstat) {
|
|
nd->nd_repstat = nfsvno_namei(nd, &named, dp, 0, exp,
|
|
p, &dirp);
|
|
} else {
|
|
vrele(dp);
|
|
nfsvno_relpathbuf(&named);
|
|
}
|
|
if (create == NFSV4OPEN_CREATE) {
|
|
switch (how) {
|
|
case NFSCREATE_UNCHECKED:
|
|
if (named.ni_vp) {
|
|
/*
|
|
* Clear the setable attribute bits, except
|
|
* for Size, if it is being truncated.
|
|
*/
|
|
NFSZERO_ATTRBIT(&attrbits);
|
|
if (NFSVNO_ISSETSIZE(&nva))
|
|
NFSSETBIT_ATTRBIT(&attrbits,
|
|
NFSATTRBIT_SIZE);
|
|
}
|
|
break;
|
|
case NFSCREATE_GUARDED:
|
|
if (named.ni_vp && !nd->nd_repstat)
|
|
nd->nd_repstat = EEXIST;
|
|
break;
|
|
case NFSCREATE_EXCLUSIVE:
|
|
exclusive_flag = 1;
|
|
if (!named.ni_vp)
|
|
nva.na_mode = 0;
|
|
break;
|
|
case NFSCREATE_EXCLUSIVE41:
|
|
exclusive_flag = 1;
|
|
break;
|
|
}
|
|
}
|
|
nfsvno_open(nd, &named, clientid, &stateid, stp,
|
|
&exclusive_flag, &nva, cverf, create, aclp, &attrbits,
|
|
nd->nd_cred, exp, &vp);
|
|
} else if (claim == NFSV4OPEN_CLAIMPREVIOUS || claim ==
|
|
NFSV4OPEN_CLAIMFH) {
|
|
if (claim == NFSV4OPEN_CLAIMPREVIOUS) {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
i = fxdr_unsigned(int, *tl);
|
|
switch (i) {
|
|
case NFSV4OPEN_DELEGATEREAD:
|
|
stp->ls_flags |= NFSLCK_DELEGREAD;
|
|
break;
|
|
case NFSV4OPEN_DELEGATEWRITE:
|
|
stp->ls_flags |= NFSLCK_DELEGWRITE;
|
|
case NFSV4OPEN_DELEGATENONE:
|
|
break;
|
|
default:
|
|
nd->nd_repstat = NFSERR_BADXDR;
|
|
goto nfsmout;
|
|
}
|
|
stp->ls_flags |= NFSLCK_RECLAIM;
|
|
} else {
|
|
/* CLAIM_NULL_FH */
|
|
if (nd->nd_repstat == 0 && create == NFSV4OPEN_CREATE)
|
|
nd->nd_repstat = NFSERR_INVAL;
|
|
}
|
|
vp = dp;
|
|
NFSVOPLOCK(vp, LK_EXCLUSIVE | LK_RETRY);
|
|
if ((vp->v_iflag & VI_DOOMED) == 0)
|
|
nd->nd_repstat = nfsrv_opencheck(clientid, &stateid,
|
|
stp, vp, nd, p, nd->nd_repstat);
|
|
else
|
|
nd->nd_repstat = NFSERR_PERM;
|
|
} else {
|
|
nd->nd_repstat = NFSERR_BADXDR;
|
|
goto nfsmout;
|
|
}
|
|
|
|
/*
|
|
* Do basic access checking.
|
|
*/
|
|
if (!nd->nd_repstat && vnode_vtype(vp) != VREG) {
|
|
/*
|
|
* The IETF working group decided that this is the correct
|
|
* error return for all non-regular files.
|
|
*/
|
|
nd->nd_repstat = (vp->v_type == VDIR) ? NFSERR_ISDIR : NFSERR_SYMLINK;
|
|
}
|
|
if (!nd->nd_repstat && (stp->ls_flags & NFSLCK_WRITEACCESS))
|
|
nd->nd_repstat = nfsvno_accchk(vp, VWRITE, nd->nd_cred,
|
|
exp, p, NFSACCCHK_ALLOWOWNER, NFSACCCHK_VPISLOCKED, NULL);
|
|
if (!nd->nd_repstat && (stp->ls_flags & NFSLCK_READACCESS)) {
|
|
nd->nd_repstat = nfsvno_accchk(vp, VREAD, nd->nd_cred,
|
|
exp, p, NFSACCCHK_ALLOWOWNER, NFSACCCHK_VPISLOCKED, NULL);
|
|
if (nd->nd_repstat)
|
|
nd->nd_repstat = nfsvno_accchk(vp, VEXEC,
|
|
nd->nd_cred, exp, p, NFSACCCHK_ALLOWOWNER,
|
|
NFSACCCHK_VPISLOCKED, NULL);
|
|
}
|
|
|
|
if (!nd->nd_repstat) {
|
|
nd->nd_repstat = nfsvno_getattr(vp, &nva, nd, p, 1, NULL);
|
|
if (!nd->nd_repstat) {
|
|
tverf[0] = nva.na_atime.tv_sec;
|
|
tverf[1] = nva.na_atime.tv_nsec;
|
|
}
|
|
}
|
|
if (!nd->nd_repstat && exclusive_flag && (cverf[0] != tverf[0] ||
|
|
cverf[1] != tverf[1]))
|
|
nd->nd_repstat = EEXIST;
|
|
/*
|
|
* Do the open locking/delegation stuff.
|
|
*/
|
|
if (!nd->nd_repstat)
|
|
nd->nd_repstat = nfsrv_openctrl(nd, vp, &stp, clientid, &stateid,
|
|
&delegstateid, &rflags, exp, p, nva.na_filerev);
|
|
|
|
/*
|
|
* vp must be unlocked before the call to nfsvno_getattr(dirp,...)
|
|
* below, to avoid a deadlock with the lookup in nfsvno_namei() above.
|
|
* (ie: Leave the NFSVOPUNLOCK() about here.)
|
|
*/
|
|
if (vp)
|
|
NFSVOPUNLOCK(vp, 0);
|
|
if (stp)
|
|
free(stp, M_NFSDSTATE);
|
|
if (!nd->nd_repstat && dirp)
|
|
nd->nd_repstat = nfsvno_getattr(dirp, &diraft, nd, p, 0, NULL);
|
|
if (!nd->nd_repstat) {
|
|
/* For NFSv4.1, set the Current StateID. */
|
|
if ((nd->nd_flag & ND_NFSV41) != 0) {
|
|
nd->nd_curstateid = stateid;
|
|
nd->nd_flag |= ND_CURSTATEID;
|
|
}
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID + 6 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(stateid.seqid);
|
|
NFSBCOPY((caddr_t)stateid.other,(caddr_t)tl,NFSX_STATEIDOTHER);
|
|
tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
|
|
if (claim == NFSV4OPEN_CLAIMPREVIOUS) {
|
|
*tl++ = newnfs_true;
|
|
*tl++ = 0;
|
|
*tl++ = 0;
|
|
*tl++ = 0;
|
|
*tl++ = 0;
|
|
} else {
|
|
*tl++ = newnfs_false; /* Since dirp is not locked */
|
|
txdr_hyper(dirfor.na_filerev, tl);
|
|
tl += 2;
|
|
txdr_hyper(diraft.na_filerev, tl);
|
|
tl += 2;
|
|
}
|
|
*tl = txdr_unsigned(rflags & NFSV4OPEN_RFLAGS);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
if (rflags & NFSV4OPEN_READDELEGATE)
|
|
*tl = txdr_unsigned(NFSV4OPEN_DELEGATEREAD);
|
|
else if (rflags & NFSV4OPEN_WRITEDELEGATE)
|
|
*tl = txdr_unsigned(NFSV4OPEN_DELEGATEWRITE);
|
|
else if (retext != 0) {
|
|
*tl = txdr_unsigned(NFSV4OPEN_DELEGATENONEEXT);
|
|
if ((rflags & NFSV4OPEN_WDNOTWANTED) != 0) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OPEN_NOTWANTED);
|
|
} else if ((rflags & NFSV4OPEN_WDSUPPFTYPE) != 0) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OPEN_NOTSUPPFTYPE);
|
|
} else if ((rflags & NFSV4OPEN_WDCONTENTION) != 0) {
|
|
NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(NFSV4OPEN_CONTENTION);
|
|
*tl = newnfs_false;
|
|
} else if ((rflags & NFSV4OPEN_WDRESOURCE) != 0) {
|
|
NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(NFSV4OPEN_RESOURCE);
|
|
*tl = newnfs_false;
|
|
} else {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OPEN_NOTWANTED);
|
|
}
|
|
} else
|
|
*tl = txdr_unsigned(NFSV4OPEN_DELEGATENONE);
|
|
if (rflags & (NFSV4OPEN_READDELEGATE|NFSV4OPEN_WRITEDELEGATE)) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID+NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(delegstateid.seqid);
|
|
NFSBCOPY((caddr_t)delegstateid.other, (caddr_t)tl,
|
|
NFSX_STATEIDOTHER);
|
|
tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
|
|
if (rflags & NFSV4OPEN_RECALL)
|
|
*tl = newnfs_true;
|
|
else
|
|
*tl = newnfs_false;
|
|
if (rflags & NFSV4OPEN_WRITEDELEGATE) {
|
|
NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(NFSV4OPEN_LIMITSIZE);
|
|
txdr_hyper(nva.na_size, tl);
|
|
}
|
|
NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(NFSV4ACE_ALLOWEDTYPE);
|
|
*tl++ = txdr_unsigned(0x0);
|
|
acemask = NFSV4ACE_ALLFILESMASK;
|
|
if (nva.na_mode & S_IRUSR)
|
|
acemask |= NFSV4ACE_READMASK;
|
|
if (nva.na_mode & S_IWUSR)
|
|
acemask |= NFSV4ACE_WRITEMASK;
|
|
if (nva.na_mode & S_IXUSR)
|
|
acemask |= NFSV4ACE_EXECUTEMASK;
|
|
*tl = txdr_unsigned(acemask);
|
|
(void) nfsm_strtom(nd, "OWNER@", 6);
|
|
}
|
|
*vpp = vp;
|
|
} else if (vp) {
|
|
vrele(vp);
|
|
}
|
|
if (dirp)
|
|
vrele(dirp);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
NFSEXITCODE2(0, nd);
|
|
return (0);
|
|
nfsmout:
|
|
vrele(dp);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
if (stp)
|
|
free(stp, M_NFSDSTATE);
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 close service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_close(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsstate st, *stp = &st;
|
|
int error = 0, writeacc;
|
|
nfsv4stateid_t stateid;
|
|
nfsquad_t clientid;
|
|
struct nfsvattr na;
|
|
struct thread *p = curthread;
|
|
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED + NFSX_STATEID);
|
|
stp->ls_seq = fxdr_unsigned(u_int32_t, *tl++);
|
|
stp->ls_ownerlen = 0;
|
|
stp->ls_op = nd->nd_rp;
|
|
stp->ls_uid = nd->nd_cred->cr_uid;
|
|
stp->ls_stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
|
|
NFSBCOPY((caddr_t)tl, (caddr_t)stp->ls_stateid.other,
|
|
NFSX_STATEIDOTHER);
|
|
|
|
/*
|
|
* For the special stateid of other all 0s and seqid == 1, set the
|
|
* stateid to the current stateid, if it is set.
|
|
*/
|
|
if ((nd->nd_flag & ND_NFSV41) != 0 && stp->ls_stateid.seqid == 1 &&
|
|
stp->ls_stateid.other[0] == 0 && stp->ls_stateid.other[1] == 0 &&
|
|
stp->ls_stateid.other[2] == 0) {
|
|
if ((nd->nd_flag & ND_CURSTATEID) != 0)
|
|
stp->ls_stateid = nd->nd_curstateid;
|
|
else {
|
|
nd->nd_repstat = NFSERR_BADSTATEID;
|
|
goto nfsmout;
|
|
}
|
|
}
|
|
|
|
stp->ls_flags = NFSLCK_CLOSE;
|
|
clientid.lval[0] = stp->ls_stateid.other[0];
|
|
clientid.lval[1] = stp->ls_stateid.other[1];
|
|
if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
clientid.qval = nd->nd_clientid.qval;
|
|
else if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK8 multiple clids\n");
|
|
} else {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
printf("EEK! no clientid from session\n");
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
nd->nd_repstat = nfsrv_openupdate(vp, stp, clientid, &stateid, nd, p,
|
|
&writeacc);
|
|
/* For pNFS, update the attributes. */
|
|
if (writeacc != 0 || nfsrv_pnfsatime != 0)
|
|
nfsrv_updatemdsattr(vp, &na, p);
|
|
vput(vp);
|
|
if (!nd->nd_repstat) {
|
|
/*
|
|
* If the stateid that has been closed is the current stateid,
|
|
* unset it.
|
|
*/
|
|
if ((nd->nd_flag & ND_CURSTATEID) != 0 &&
|
|
stateid.other[0] == nd->nd_curstateid.other[0] &&
|
|
stateid.other[1] == nd->nd_curstateid.other[1] &&
|
|
stateid.other[2] == nd->nd_curstateid.other[2])
|
|
nd->nd_flag &= ~ND_CURSTATEID;
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID);
|
|
*tl++ = txdr_unsigned(stateid.seqid);
|
|
NFSBCOPY((caddr_t)stateid.other,(caddr_t)tl,NFSX_STATEIDOTHER);
|
|
}
|
|
NFSEXITCODE2(0, nd);
|
|
return (0);
|
|
nfsmout:
|
|
vput(vp);
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 delegpurge service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_delegpurge(struct nfsrv_descript *nd, __unused int isdgram,
|
|
__unused vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
int error = 0;
|
|
nfsquad_t clientid;
|
|
struct thread *p = curthread;
|
|
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
clientid.lval[0] = *tl++;
|
|
clientid.lval[1] = *tl;
|
|
if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
clientid.qval = nd->nd_clientid.qval;
|
|
else if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK9 multiple clids\n");
|
|
} else {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
printf("EEK! no clientid from session\n");
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
nd->nd_repstat = nfsrv_delegupdate(nd, clientid, NULL, NULL,
|
|
NFSV4OP_DELEGPURGE, nd->nd_cred, p, NULL);
|
|
nfsmout:
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 delegreturn service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_delegreturn(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
int error = 0, writeacc;
|
|
nfsv4stateid_t stateid;
|
|
nfsquad_t clientid;
|
|
struct nfsvattr na;
|
|
struct thread *p = curthread;
|
|
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID);
|
|
stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
|
|
NFSBCOPY((caddr_t)tl, (caddr_t)stateid.other, NFSX_STATEIDOTHER);
|
|
clientid.lval[0] = stateid.other[0];
|
|
clientid.lval[1] = stateid.other[1];
|
|
if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
clientid.qval = nd->nd_clientid.qval;
|
|
else if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK10 multiple clids\n");
|
|
} else {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
printf("EEK! no clientid from session\n");
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
nd->nd_repstat = nfsrv_delegupdate(nd, clientid, &stateid, vp,
|
|
NFSV4OP_DELEGRETURN, nd->nd_cred, p, &writeacc);
|
|
/* For pNFS, update the attributes. */
|
|
if (writeacc != 0 || nfsrv_pnfsatime != 0)
|
|
nfsrv_updatemdsattr(vp, &na, p);
|
|
nfsmout:
|
|
vput(vp);
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 get file handle service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_getfh(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
fhandle_t fh;
|
|
struct thread *p = curthread;
|
|
|
|
nd->nd_repstat = nfsvno_getfh(vp, &fh, p);
|
|
vput(vp);
|
|
if (!nd->nd_repstat)
|
|
(void) nfsm_fhtom(nd, (u_int8_t *)&fh, 0, 0);
|
|
NFSEXITCODE2(0, nd);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 open confirm service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_openconfirm(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsstate st, *stp = &st;
|
|
int error = 0;
|
|
nfsv4stateid_t stateid;
|
|
nfsquad_t clientid;
|
|
struct thread *p = curthread;
|
|
|
|
if ((nd->nd_flag & ND_NFSV41) != 0) {
|
|
nd->nd_repstat = NFSERR_NOTSUPP;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID + NFSX_UNSIGNED);
|
|
stp->ls_ownerlen = 0;
|
|
stp->ls_op = nd->nd_rp;
|
|
stp->ls_uid = nd->nd_cred->cr_uid;
|
|
stp->ls_stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
|
|
NFSBCOPY((caddr_t)tl, (caddr_t)stp->ls_stateid.other,
|
|
NFSX_STATEIDOTHER);
|
|
tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
|
|
stp->ls_seq = fxdr_unsigned(u_int32_t, *tl);
|
|
stp->ls_flags = NFSLCK_CONFIRM;
|
|
clientid.lval[0] = stp->ls_stateid.other[0];
|
|
clientid.lval[1] = stp->ls_stateid.other[1];
|
|
if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
clientid.qval = nd->nd_clientid.qval;
|
|
else if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK11 multiple clids\n");
|
|
} else {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
printf("EEK! no clientid from session\n");
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
nd->nd_repstat = nfsrv_openupdate(vp, stp, clientid, &stateid, nd, p,
|
|
NULL);
|
|
if (!nd->nd_repstat) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID);
|
|
*tl++ = txdr_unsigned(stateid.seqid);
|
|
NFSBCOPY((caddr_t)stateid.other,(caddr_t)tl,NFSX_STATEIDOTHER);
|
|
}
|
|
nfsmout:
|
|
vput(vp);
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 open downgrade service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_opendowngrade(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
int i;
|
|
struct nfsstate st, *stp = &st;
|
|
int error = 0;
|
|
nfsv4stateid_t stateid;
|
|
nfsquad_t clientid;
|
|
struct thread *p = curthread;
|
|
|
|
/* opendowngrade can only work on a file object.*/
|
|
if (vp->v_type != VREG) {
|
|
error = NFSERR_INVAL;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID + 3 * NFSX_UNSIGNED);
|
|
stp->ls_ownerlen = 0;
|
|
stp->ls_op = nd->nd_rp;
|
|
stp->ls_uid = nd->nd_cred->cr_uid;
|
|
stp->ls_stateid.seqid = fxdr_unsigned(u_int32_t, *tl++);
|
|
NFSBCOPY((caddr_t)tl, (caddr_t)stp->ls_stateid.other,
|
|
NFSX_STATEIDOTHER);
|
|
tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
|
|
|
|
/*
|
|
* For the special stateid of other all 0s and seqid == 1, set the
|
|
* stateid to the current stateid, if it is set.
|
|
*/
|
|
if ((nd->nd_flag & ND_NFSV41) != 0 && stp->ls_stateid.seqid == 1 &&
|
|
stp->ls_stateid.other[0] == 0 && stp->ls_stateid.other[1] == 0 &&
|
|
stp->ls_stateid.other[2] == 0) {
|
|
if ((nd->nd_flag & ND_CURSTATEID) != 0)
|
|
stp->ls_stateid = nd->nd_curstateid;
|
|
else {
|
|
nd->nd_repstat = NFSERR_BADSTATEID;
|
|
goto nfsmout;
|
|
}
|
|
}
|
|
|
|
stp->ls_seq = fxdr_unsigned(u_int32_t, *tl++);
|
|
i = fxdr_unsigned(int, *tl++);
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
i &= ~NFSV4OPEN_WANTDELEGMASK;
|
|
switch (i) {
|
|
case NFSV4OPEN_ACCESSREAD:
|
|
stp->ls_flags = (NFSLCK_READACCESS | NFSLCK_DOWNGRADE);
|
|
break;
|
|
case NFSV4OPEN_ACCESSWRITE:
|
|
stp->ls_flags = (NFSLCK_WRITEACCESS | NFSLCK_DOWNGRADE);
|
|
break;
|
|
case NFSV4OPEN_ACCESSBOTH:
|
|
stp->ls_flags = (NFSLCK_READACCESS | NFSLCK_WRITEACCESS |
|
|
NFSLCK_DOWNGRADE);
|
|
break;
|
|
default:
|
|
nd->nd_repstat = NFSERR_INVAL;
|
|
}
|
|
i = fxdr_unsigned(int, *tl);
|
|
switch (i) {
|
|
case NFSV4OPEN_DENYNONE:
|
|
break;
|
|
case NFSV4OPEN_DENYREAD:
|
|
stp->ls_flags |= NFSLCK_READDENY;
|
|
break;
|
|
case NFSV4OPEN_DENYWRITE:
|
|
stp->ls_flags |= NFSLCK_WRITEDENY;
|
|
break;
|
|
case NFSV4OPEN_DENYBOTH:
|
|
stp->ls_flags |= (NFSLCK_READDENY | NFSLCK_WRITEDENY);
|
|
break;
|
|
default:
|
|
nd->nd_repstat = NFSERR_INVAL;
|
|
}
|
|
|
|
clientid.lval[0] = stp->ls_stateid.other[0];
|
|
clientid.lval[1] = stp->ls_stateid.other[1];
|
|
if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
clientid.qval = nd->nd_clientid.qval;
|
|
else if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK12 multiple clids\n");
|
|
} else {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
printf("EEK! no clientid from session\n");
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
if (!nd->nd_repstat)
|
|
nd->nd_repstat = nfsrv_openupdate(vp, stp, clientid, &stateid,
|
|
nd, p, NULL);
|
|
if (!nd->nd_repstat) {
|
|
/* For NFSv4.1, set the Current StateID. */
|
|
if ((nd->nd_flag & ND_NFSV41) != 0) {
|
|
nd->nd_curstateid = stateid;
|
|
nd->nd_flag |= ND_CURSTATEID;
|
|
}
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID);
|
|
*tl++ = txdr_unsigned(stateid.seqid);
|
|
NFSBCOPY((caddr_t)stateid.other,(caddr_t)tl,NFSX_STATEIDOTHER);
|
|
}
|
|
nfsmout:
|
|
vput(vp);
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 renew lease service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_renew(struct nfsrv_descript *nd, __unused int isdgram,
|
|
__unused vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
int error = 0;
|
|
nfsquad_t clientid;
|
|
struct thread *p = curthread;
|
|
|
|
if ((nd->nd_flag & ND_NFSV41) != 0) {
|
|
nd->nd_repstat = NFSERR_NOTSUPP;
|
|
goto nfsmout;
|
|
}
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_HYPER);
|
|
clientid.lval[0] = *tl++;
|
|
clientid.lval[1] = *tl;
|
|
if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
clientid.qval = nd->nd_clientid.qval;
|
|
else if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK13 multiple clids\n");
|
|
} else {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
printf("EEK! no clientid from session\n");
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
nd->nd_repstat = nfsrv_getclient(clientid, (CLOPS_RENEWOP|CLOPS_RENEW),
|
|
NULL, NULL, (nfsquad_t)((u_quad_t)0), 0, nd, p);
|
|
nfsmout:
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 security info service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_secinfo(struct nfsrv_descript *nd, int isdgram,
|
|
vnode_t dp, struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
int len;
|
|
struct nameidata named;
|
|
vnode_t dirp = NULL, vp;
|
|
struct nfsrvfh fh;
|
|
struct nfsexstuff retnes;
|
|
u_int32_t *sizp;
|
|
int error = 0, savflag, i;
|
|
char *bufp;
|
|
u_long *hashp;
|
|
struct thread *p = curthread;
|
|
|
|
/*
|
|
* All this just to get the export flags for the name.
|
|
*/
|
|
NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, LOOKUP,
|
|
LOCKLEAF | SAVESTART);
|
|
nfsvno_setpathbuf(&named, &bufp, &hashp);
|
|
error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
|
|
if (error) {
|
|
vput(dp);
|
|
nfsvno_relpathbuf(&named);
|
|
goto out;
|
|
}
|
|
if (!nd->nd_repstat) {
|
|
nd->nd_repstat = nfsvno_namei(nd, &named, dp, 1, exp, p, &dirp);
|
|
} else {
|
|
vput(dp);
|
|
nfsvno_relpathbuf(&named);
|
|
}
|
|
if (dirp)
|
|
vrele(dirp);
|
|
if (nd->nd_repstat)
|
|
goto out;
|
|
vrele(named.ni_startdir);
|
|
nfsvno_relpathbuf(&named);
|
|
fh.nfsrvfh_len = NFSX_MYFH;
|
|
vp = named.ni_vp;
|
|
nd->nd_repstat = nfsvno_getfh(vp, (fhandle_t *)fh.nfsrvfh_data, p);
|
|
vput(vp);
|
|
savflag = nd->nd_flag;
|
|
if (!nd->nd_repstat) {
|
|
nfsd_fhtovp(nd, &fh, LK_SHARED, &vp, &retnes, NULL, 0);
|
|
if (vp)
|
|
vput(vp);
|
|
}
|
|
nd->nd_flag = savflag;
|
|
if (nd->nd_repstat)
|
|
goto out;
|
|
|
|
/*
|
|
* Finally have the export flags for name, so we can create
|
|
* the security info.
|
|
*/
|
|
len = 0;
|
|
NFSM_BUILD(sizp, u_int32_t *, NFSX_UNSIGNED);
|
|
for (i = 0; i < retnes.nes_numsecflavor; i++) {
|
|
if (retnes.nes_secflavors[i] == AUTH_SYS) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(RPCAUTH_UNIX);
|
|
len++;
|
|
} else if (retnes.nes_secflavors[i] == RPCSEC_GSS_KRB5) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(RPCAUTH_GSS);
|
|
(void) nfsm_strtom(nd, nfsgss_mechlist[KERBV_MECH].str,
|
|
nfsgss_mechlist[KERBV_MECH].len);
|
|
NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(GSS_KERBV_QOP);
|
|
*tl = txdr_unsigned(RPCAUTHGSS_SVCNONE);
|
|
len++;
|
|
} else if (retnes.nes_secflavors[i] == RPCSEC_GSS_KRB5I) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(RPCAUTH_GSS);
|
|
(void) nfsm_strtom(nd, nfsgss_mechlist[KERBV_MECH].str,
|
|
nfsgss_mechlist[KERBV_MECH].len);
|
|
NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(GSS_KERBV_QOP);
|
|
*tl = txdr_unsigned(RPCAUTHGSS_SVCINTEGRITY);
|
|
len++;
|
|
} else if (retnes.nes_secflavors[i] == RPCSEC_GSS_KRB5P) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(RPCAUTH_GSS);
|
|
(void) nfsm_strtom(nd, nfsgss_mechlist[KERBV_MECH].str,
|
|
nfsgss_mechlist[KERBV_MECH].len);
|
|
NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(GSS_KERBV_QOP);
|
|
*tl = txdr_unsigned(RPCAUTHGSS_SVCPRIVACY);
|
|
len++;
|
|
}
|
|
}
|
|
*sizp = txdr_unsigned(len);
|
|
|
|
out:
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 set client id service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_setclientid(struct nfsrv_descript *nd, __unused int isdgram,
|
|
__unused vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
int i;
|
|
int error = 0, idlen;
|
|
struct nfsclient *clp = NULL;
|
|
struct sockaddr_in *rad;
|
|
u_char *verf, *ucp, *ucp2, addrbuf[24];
|
|
nfsquad_t clientid, confirm;
|
|
struct thread *p = curthread;
|
|
|
|
if ((nd->nd_flag & ND_NFSV41) != 0) {
|
|
nd->nd_repstat = NFSERR_NOTSUPP;
|
|
goto nfsmout;
|
|
}
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
goto out;
|
|
}
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_VERF + NFSX_UNSIGNED);
|
|
verf = (u_char *)tl;
|
|
tl += (NFSX_VERF / NFSX_UNSIGNED);
|
|
i = fxdr_unsigned(int, *tl);
|
|
if (i > NFSV4_OPAQUELIMIT || i <= 0) {
|
|
nd->nd_repstat = NFSERR_BADXDR;
|
|
goto nfsmout;
|
|
}
|
|
idlen = i;
|
|
if (nd->nd_flag & ND_GSS)
|
|
i += nd->nd_princlen;
|
|
clp = malloc(sizeof(struct nfsclient) + i, M_NFSDCLIENT, M_WAITOK |
|
|
M_ZERO);
|
|
clp->lc_stateid = malloc(sizeof(struct nfsstatehead) *
|
|
nfsrv_statehashsize, M_NFSDCLIENT, M_WAITOK);
|
|
NFSINITSOCKMUTEX(&clp->lc_req.nr_mtx);
|
|
clp->lc_req.nr_nam = malloc(sizeof(*clp->lc_req.nr_nam), M_SONAME,
|
|
M_WAITOK | M_ZERO);
|
|
NFSSOCKADDRSIZE(clp->lc_req.nr_nam, sizeof (struct sockaddr_in));
|
|
clp->lc_req.nr_cred = NULL;
|
|
NFSBCOPY(verf, clp->lc_verf, NFSX_VERF);
|
|
clp->lc_idlen = idlen;
|
|
error = nfsrv_mtostr(nd, clp->lc_id, idlen);
|
|
if (error)
|
|
goto nfsmout;
|
|
if (nd->nd_flag & ND_GSS) {
|
|
clp->lc_flags = LCL_GSS;
|
|
if (nd->nd_flag & ND_GSSINTEGRITY)
|
|
clp->lc_flags |= LCL_GSSINTEGRITY;
|
|
else if (nd->nd_flag & ND_GSSPRIVACY)
|
|
clp->lc_flags |= LCL_GSSPRIVACY;
|
|
} else {
|
|
clp->lc_flags = 0;
|
|
}
|
|
if ((nd->nd_flag & ND_GSS) && nd->nd_princlen > 0) {
|
|
clp->lc_flags |= LCL_NAME;
|
|
clp->lc_namelen = nd->nd_princlen;
|
|
clp->lc_name = &clp->lc_id[idlen];
|
|
NFSBCOPY(nd->nd_principal, clp->lc_name, clp->lc_namelen);
|
|
} else {
|
|
clp->lc_uid = nd->nd_cred->cr_uid;
|
|
clp->lc_gid = nd->nd_cred->cr_gid;
|
|
}
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
clp->lc_program = fxdr_unsigned(u_int32_t, *tl);
|
|
error = nfsrv_getclientipaddr(nd, clp);
|
|
if (error)
|
|
goto nfsmout;
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
clp->lc_callback = fxdr_unsigned(u_int32_t, *tl);
|
|
|
|
/*
|
|
* nfsrv_setclient() does the actual work of adding it to the
|
|
* client list. If there is no error, the structure has been
|
|
* linked into the client list and clp should no longer be used
|
|
* here. When an error is returned, it has not been linked in,
|
|
* so it should be free'd.
|
|
*/
|
|
nd->nd_repstat = nfsrv_setclient(nd, &clp, &clientid, &confirm, p);
|
|
if (nd->nd_repstat == NFSERR_CLIDINUSE) {
|
|
if (clp->lc_flags & LCL_TCPCALLBACK)
|
|
(void) nfsm_strtom(nd, "tcp", 3);
|
|
else
|
|
(void) nfsm_strtom(nd, "udp", 3);
|
|
rad = NFSSOCKADDR(clp->lc_req.nr_nam, struct sockaddr_in *);
|
|
ucp = (u_char *)&rad->sin_addr.s_addr;
|
|
ucp2 = (u_char *)&rad->sin_port;
|
|
sprintf(addrbuf, "%d.%d.%d.%d.%d.%d", ucp[0] & 0xff,
|
|
ucp[1] & 0xff, ucp[2] & 0xff, ucp[3] & 0xff,
|
|
ucp2[0] & 0xff, ucp2[1] & 0xff);
|
|
(void) nfsm_strtom(nd, addrbuf, strlen(addrbuf));
|
|
}
|
|
if (clp) {
|
|
free(clp->lc_req.nr_nam, M_SONAME);
|
|
NFSFREEMUTEX(&clp->lc_req.nr_mtx);
|
|
free(clp->lc_stateid, M_NFSDCLIENT);
|
|
free(clp, M_NFSDCLIENT);
|
|
}
|
|
if (!nd->nd_repstat) {
|
|
NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_HYPER);
|
|
*tl++ = clientid.lval[0];
|
|
*tl++ = clientid.lval[1];
|
|
*tl++ = confirm.lval[0];
|
|
*tl = confirm.lval[1];
|
|
}
|
|
|
|
out:
|
|
NFSEXITCODE2(0, nd);
|
|
return (0);
|
|
nfsmout:
|
|
if (clp) {
|
|
free(clp->lc_req.nr_nam, M_SONAME);
|
|
NFSFREEMUTEX(&clp->lc_req.nr_mtx);
|
|
free(clp->lc_stateid, M_NFSDCLIENT);
|
|
free(clp, M_NFSDCLIENT);
|
|
}
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 set client id confirm service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_setclientidcfrm(struct nfsrv_descript *nd,
|
|
__unused int isdgram, __unused vnode_t vp,
|
|
__unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
int error = 0;
|
|
nfsquad_t clientid, confirm;
|
|
struct thread *p = curthread;
|
|
|
|
if ((nd->nd_flag & ND_NFSV41) != 0) {
|
|
nd->nd_repstat = NFSERR_NOTSUPP;
|
|
goto nfsmout;
|
|
}
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_HYPER);
|
|
clientid.lval[0] = *tl++;
|
|
clientid.lval[1] = *tl++;
|
|
confirm.lval[0] = *tl++;
|
|
confirm.lval[1] = *tl;
|
|
|
|
/*
|
|
* nfsrv_getclient() searches the client list for a match and
|
|
* returns the appropriate NFSERR status.
|
|
*/
|
|
nd->nd_repstat = nfsrv_getclient(clientid, (CLOPS_CONFIRM|CLOPS_RENEW),
|
|
NULL, NULL, confirm, 0, nd, p);
|
|
nfsmout:
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 verify service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_verify(struct nfsrv_descript *nd, int isdgram,
|
|
vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
int error = 0, ret, fhsize = NFSX_MYFH;
|
|
struct nfsvattr nva;
|
|
struct statfs *sf;
|
|
struct nfsfsinfo fs;
|
|
fhandle_t fh;
|
|
struct thread *p = curthread;
|
|
|
|
sf = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
|
|
nd->nd_repstat = nfsvno_getattr(vp, &nva, nd, p, 1, NULL);
|
|
if (!nd->nd_repstat)
|
|
nd->nd_repstat = nfsvno_statfs(vp, sf);
|
|
if (!nd->nd_repstat)
|
|
nd->nd_repstat = nfsvno_getfh(vp, &fh, p);
|
|
if (!nd->nd_repstat) {
|
|
nfsvno_getfs(&fs, isdgram);
|
|
error = nfsv4_loadattr(nd, vp, &nva, NULL, &fh, fhsize, NULL,
|
|
sf, NULL, &fs, NULL, 1, &ret, NULL, NULL, p, nd->nd_cred);
|
|
if (!error) {
|
|
if (nd->nd_procnum == NFSV4OP_NVERIFY) {
|
|
if (ret == 0)
|
|
nd->nd_repstat = NFSERR_SAME;
|
|
else if (ret != NFSERR_NOTSAME)
|
|
nd->nd_repstat = ret;
|
|
} else if (ret)
|
|
nd->nd_repstat = ret;
|
|
}
|
|
}
|
|
vput(vp);
|
|
free(sf, M_STATFS);
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs openattr rpc
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_openattr(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t dp, __unused vnode_t *vpp, __unused fhandle_t *fhp,
|
|
__unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
int error = 0, createdir __unused;
|
|
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
createdir = fxdr_unsigned(int, *tl);
|
|
nd->nd_repstat = NFSERR_NOTSUPP;
|
|
nfsmout:
|
|
vrele(dp);
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 release lock owner service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_releaselckown(struct nfsrv_descript *nd, __unused int isdgram,
|
|
__unused vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsstate *stp = NULL;
|
|
int error = 0, len;
|
|
nfsquad_t clientid;
|
|
struct thread *p = curthread;
|
|
|
|
if ((nd->nd_flag & ND_NFSV41) != 0) {
|
|
nd->nd_repstat = NFSERR_NOTSUPP;
|
|
goto nfsmout;
|
|
}
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
|
|
len = fxdr_unsigned(int, *(tl + 2));
|
|
if (len <= 0 || len > NFSV4_OPAQUELIMIT) {
|
|
nd->nd_repstat = NFSERR_BADXDR;
|
|
goto nfsmout;
|
|
}
|
|
stp = malloc(sizeof (struct nfsstate) + len,
|
|
M_NFSDSTATE, M_WAITOK);
|
|
stp->ls_ownerlen = len;
|
|
stp->ls_op = NULL;
|
|
stp->ls_flags = NFSLCK_RELEASE;
|
|
stp->ls_uid = nd->nd_cred->cr_uid;
|
|
clientid.lval[0] = *tl++;
|
|
clientid.lval[1] = *tl;
|
|
if ((nd->nd_flag & ND_IMPLIEDCLID) != 0) {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
clientid.qval = nd->nd_clientid.qval;
|
|
else if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK14 multiple clids\n");
|
|
} else {
|
|
if ((nd->nd_flag & ND_NFSV41) != 0)
|
|
printf("EEK! no clientid from session\n");
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
error = nfsrv_mtostr(nd, stp->ls_owner, len);
|
|
if (error)
|
|
goto nfsmout;
|
|
nd->nd_repstat = nfsrv_releaselckown(stp, clientid, p);
|
|
free(stp, M_NFSDSTATE);
|
|
|
|
NFSEXITCODE2(0, nd);
|
|
return (0);
|
|
nfsmout:
|
|
if (stp)
|
|
free(stp, M_NFSDSTATE);
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 exchange_id service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_exchangeid(struct nfsrv_descript *nd, __unused int isdgram,
|
|
__unused vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
uint32_t *tl;
|
|
int error = 0, i, idlen;
|
|
struct nfsclient *clp = NULL;
|
|
nfsquad_t clientid, confirm;
|
|
uint8_t *verf;
|
|
uint32_t sp4type, v41flags;
|
|
uint64_t owner_minor;
|
|
struct timespec verstime;
|
|
struct sockaddr_in *sad, *rad;
|
|
struct thread *p = curthread;
|
|
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_VERF + NFSX_UNSIGNED);
|
|
verf = (uint8_t *)tl;
|
|
tl += (NFSX_VERF / NFSX_UNSIGNED);
|
|
i = fxdr_unsigned(int, *tl);
|
|
if (i > NFSV4_OPAQUELIMIT || i <= 0) {
|
|
nd->nd_repstat = NFSERR_BADXDR;
|
|
goto nfsmout;
|
|
}
|
|
idlen = i;
|
|
if (nd->nd_flag & ND_GSS)
|
|
i += nd->nd_princlen;
|
|
clp = malloc(sizeof(struct nfsclient) + i, M_NFSDCLIENT, M_WAITOK |
|
|
M_ZERO);
|
|
clp->lc_stateid = malloc(sizeof(struct nfsstatehead) *
|
|
nfsrv_statehashsize, M_NFSDCLIENT, M_WAITOK);
|
|
NFSINITSOCKMUTEX(&clp->lc_req.nr_mtx);
|
|
clp->lc_req.nr_nam = malloc(sizeof(*clp->lc_req.nr_nam), M_SONAME,
|
|
M_WAITOK | M_ZERO);
|
|
NFSSOCKADDRSIZE(clp->lc_req.nr_nam, sizeof (struct sockaddr_in));
|
|
sad = NFSSOCKADDR(nd->nd_nam, struct sockaddr_in *);
|
|
rad = NFSSOCKADDR(clp->lc_req.nr_nam, struct sockaddr_in *);
|
|
rad->sin_family = AF_INET;
|
|
rad->sin_addr.s_addr = 0;
|
|
rad->sin_port = 0;
|
|
if (sad->sin_family == AF_INET)
|
|
rad->sin_addr.s_addr = sad->sin_addr.s_addr;
|
|
clp->lc_req.nr_cred = NULL;
|
|
NFSBCOPY(verf, clp->lc_verf, NFSX_VERF);
|
|
clp->lc_idlen = idlen;
|
|
error = nfsrv_mtostr(nd, clp->lc_id, idlen);
|
|
if (error != 0)
|
|
goto nfsmout;
|
|
if ((nd->nd_flag & ND_GSS) != 0) {
|
|
clp->lc_flags = LCL_GSS | LCL_NFSV41;
|
|
if ((nd->nd_flag & ND_GSSINTEGRITY) != 0)
|
|
clp->lc_flags |= LCL_GSSINTEGRITY;
|
|
else if ((nd->nd_flag & ND_GSSPRIVACY) != 0)
|
|
clp->lc_flags |= LCL_GSSPRIVACY;
|
|
} else
|
|
clp->lc_flags = LCL_NFSV41;
|
|
if ((nd->nd_flag & ND_GSS) != 0 && nd->nd_princlen > 0) {
|
|
clp->lc_flags |= LCL_NAME;
|
|
clp->lc_namelen = nd->nd_princlen;
|
|
clp->lc_name = &clp->lc_id[idlen];
|
|
NFSBCOPY(nd->nd_principal, clp->lc_name, clp->lc_namelen);
|
|
} else {
|
|
clp->lc_uid = nd->nd_cred->cr_uid;
|
|
clp->lc_gid = nd->nd_cred->cr_gid;
|
|
}
|
|
NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
v41flags = fxdr_unsigned(uint32_t, *tl++);
|
|
if ((v41flags & ~(NFSV4EXCH_SUPPMOVEDREFER | NFSV4EXCH_SUPPMOVEDMIGR |
|
|
NFSV4EXCH_BINDPRINCSTATEID | NFSV4EXCH_MASKPNFS |
|
|
NFSV4EXCH_UPDCONFIRMEDRECA)) != 0) {
|
|
nd->nd_repstat = NFSERR_INVAL;
|
|
goto nfsmout;
|
|
}
|
|
if ((v41flags & NFSV4EXCH_UPDCONFIRMEDRECA) != 0)
|
|
confirm.lval[1] = 1;
|
|
else
|
|
confirm.lval[1] = 0;
|
|
if (nfsrv_devidcnt == 0)
|
|
v41flags = NFSV4EXCH_USENONPNFS | NFSV4EXCH_USEPNFSDS;
|
|
else
|
|
v41flags = NFSV4EXCH_USEPNFSMDS;
|
|
sp4type = fxdr_unsigned(uint32_t, *tl);
|
|
if (sp4type != NFSV4EXCH_SP4NONE) {
|
|
nd->nd_repstat = NFSERR_NOTSUPP;
|
|
goto nfsmout;
|
|
}
|
|
|
|
/*
|
|
* nfsrv_setclient() does the actual work of adding it to the
|
|
* client list. If there is no error, the structure has been
|
|
* linked into the client list and clp should no longer be used
|
|
* here. When an error is returned, it has not been linked in,
|
|
* so it should be free'd.
|
|
*/
|
|
nd->nd_repstat = nfsrv_setclient(nd, &clp, &clientid, &confirm, p);
|
|
if (clp != NULL) {
|
|
free(clp->lc_req.nr_nam, M_SONAME);
|
|
NFSFREEMUTEX(&clp->lc_req.nr_mtx);
|
|
free(clp->lc_stateid, M_NFSDCLIENT);
|
|
free(clp, M_NFSDCLIENT);
|
|
}
|
|
if (nd->nd_repstat == 0) {
|
|
if (confirm.lval[1] != 0)
|
|
v41flags |= NFSV4EXCH_CONFIRMEDR;
|
|
NFSM_BUILD(tl, uint32_t *, 2 * NFSX_HYPER + 3 * NFSX_UNSIGNED);
|
|
*tl++ = clientid.lval[0]; /* ClientID */
|
|
*tl++ = clientid.lval[1];
|
|
*tl++ = txdr_unsigned(confirm.lval[0]); /* SequenceID */
|
|
*tl++ = txdr_unsigned(v41flags); /* Exch flags */
|
|
*tl++ = txdr_unsigned(NFSV4EXCH_SP4NONE); /* No SSV */
|
|
owner_minor = 0; /* Owner */
|
|
txdr_hyper(owner_minor, tl); /* Minor */
|
|
(void)nfsm_strtom(nd, nd->nd_cred->cr_prison->pr_hostuuid,
|
|
strlen(nd->nd_cred->cr_prison->pr_hostuuid)); /* Major */
|
|
(void)nfsm_strtom(nd, nd->nd_cred->cr_prison->pr_hostuuid,
|
|
strlen(nd->nd_cred->cr_prison->pr_hostuuid)); /* Scope */
|
|
NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(1);
|
|
(void)nfsm_strtom(nd, "freebsd.org", strlen("freebsd.org"));
|
|
(void)nfsm_strtom(nd, version, strlen(version));
|
|
NFSM_BUILD(tl, uint32_t *, NFSX_V4TIME);
|
|
verstime.tv_sec = 1293840000; /* Jan 1, 2011 */
|
|
verstime.tv_nsec = 0;
|
|
txdr_nfsv4time(&verstime, tl);
|
|
}
|
|
NFSEXITCODE2(0, nd);
|
|
return (0);
|
|
nfsmout:
|
|
if (clp != NULL) {
|
|
free(clp->lc_req.nr_nam, M_SONAME);
|
|
NFSFREEMUTEX(&clp->lc_req.nr_mtx);
|
|
free(clp->lc_stateid, M_NFSDCLIENT);
|
|
free(clp, M_NFSDCLIENT);
|
|
}
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 create session service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_createsession(struct nfsrv_descript *nd, __unused int isdgram,
|
|
__unused vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
uint32_t *tl;
|
|
int error = 0;
|
|
nfsquad_t clientid, confirm;
|
|
struct nfsdsession *sep = NULL;
|
|
uint32_t rdmacnt;
|
|
struct thread *p = curthread;
|
|
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
goto nfsmout;
|
|
}
|
|
sep = (struct nfsdsession *)malloc(sizeof(struct nfsdsession),
|
|
M_NFSDSESSION, M_WAITOK | M_ZERO);
|
|
sep->sess_refcnt = 1;
|
|
mtx_init(&sep->sess_cbsess.nfsess_mtx, "nfscbsession", NULL, MTX_DEF);
|
|
NFSM_DISSECT(tl, uint32_t *, NFSX_HYPER + 2 * NFSX_UNSIGNED);
|
|
clientid.lval[0] = *tl++;
|
|
clientid.lval[1] = *tl++;
|
|
confirm.lval[0] = fxdr_unsigned(uint32_t, *tl++);
|
|
sep->sess_crflags = fxdr_unsigned(uint32_t, *tl);
|
|
/* Persistent sessions and RDMA are not supported. */
|
|
sep->sess_crflags &= NFSV4CRSESS_CONNBACKCHAN;
|
|
|
|
/* Fore channel attributes. */
|
|
NFSM_DISSECT(tl, uint32_t *, 7 * NFSX_UNSIGNED);
|
|
tl++; /* Header pad always 0. */
|
|
sep->sess_maxreq = fxdr_unsigned(uint32_t, *tl++);
|
|
if (sep->sess_maxreq > sb_max_adj - NFS_MAXXDR) {
|
|
sep->sess_maxreq = sb_max_adj - NFS_MAXXDR;
|
|
printf("Consider increasing kern.ipc.maxsockbuf\n");
|
|
}
|
|
sep->sess_maxresp = fxdr_unsigned(uint32_t, *tl++);
|
|
if (sep->sess_maxresp > sb_max_adj - NFS_MAXXDR) {
|
|
sep->sess_maxresp = sb_max_adj - NFS_MAXXDR;
|
|
printf("Consider increasing kern.ipc.maxsockbuf\n");
|
|
}
|
|
sep->sess_maxrespcached = fxdr_unsigned(uint32_t, *tl++);
|
|
sep->sess_maxops = fxdr_unsigned(uint32_t, *tl++);
|
|
sep->sess_maxslots = fxdr_unsigned(uint32_t, *tl++);
|
|
if (sep->sess_maxslots > NFSV4_SLOTS)
|
|
sep->sess_maxslots = NFSV4_SLOTS;
|
|
rdmacnt = fxdr_unsigned(uint32_t, *tl);
|
|
if (rdmacnt > 1) {
|
|
nd->nd_repstat = NFSERR_BADXDR;
|
|
goto nfsmout;
|
|
} else if (rdmacnt == 1)
|
|
NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
|
|
|
|
/* Back channel attributes. */
|
|
NFSM_DISSECT(tl, uint32_t *, 7 * NFSX_UNSIGNED);
|
|
tl++; /* Header pad always 0. */
|
|
sep->sess_cbmaxreq = fxdr_unsigned(uint32_t, *tl++);
|
|
sep->sess_cbmaxresp = fxdr_unsigned(uint32_t, *tl++);
|
|
sep->sess_cbmaxrespcached = fxdr_unsigned(uint32_t, *tl++);
|
|
sep->sess_cbmaxops = fxdr_unsigned(uint32_t, *tl++);
|
|
sep->sess_cbsess.nfsess_foreslots = fxdr_unsigned(uint32_t, *tl++);
|
|
rdmacnt = fxdr_unsigned(uint32_t, *tl);
|
|
if (rdmacnt > 1) {
|
|
nd->nd_repstat = NFSERR_BADXDR;
|
|
goto nfsmout;
|
|
} else if (rdmacnt == 1)
|
|
NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
|
|
|
|
NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
|
|
sep->sess_cbprogram = fxdr_unsigned(uint32_t, *tl);
|
|
|
|
/*
|
|
* nfsrv_getclient() searches the client list for a match and
|
|
* returns the appropriate NFSERR status.
|
|
*/
|
|
nd->nd_repstat = nfsrv_getclient(clientid, CLOPS_CONFIRM | CLOPS_RENEW,
|
|
NULL, sep, confirm, sep->sess_cbprogram, nd, p);
|
|
if (nd->nd_repstat == 0) {
|
|
NFSM_BUILD(tl, uint32_t *, NFSX_V4SESSIONID);
|
|
NFSBCOPY(sep->sess_sessionid, tl, NFSX_V4SESSIONID);
|
|
NFSM_BUILD(tl, uint32_t *, 18 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(confirm.lval[0]); /* sequenceid */
|
|
*tl++ = txdr_unsigned(sep->sess_crflags);
|
|
|
|
/* Fore channel attributes. */
|
|
*tl++ = 0;
|
|
*tl++ = txdr_unsigned(sep->sess_maxreq);
|
|
*tl++ = txdr_unsigned(sep->sess_maxresp);
|
|
*tl++ = txdr_unsigned(sep->sess_maxrespcached);
|
|
*tl++ = txdr_unsigned(sep->sess_maxops);
|
|
*tl++ = txdr_unsigned(sep->sess_maxslots);
|
|
*tl++ = txdr_unsigned(1);
|
|
*tl++ = txdr_unsigned(0); /* No RDMA. */
|
|
|
|
/* Back channel attributes. */
|
|
*tl++ = 0;
|
|
*tl++ = txdr_unsigned(sep->sess_cbmaxreq);
|
|
*tl++ = txdr_unsigned(sep->sess_cbmaxresp);
|
|
*tl++ = txdr_unsigned(sep->sess_cbmaxrespcached);
|
|
*tl++ = txdr_unsigned(sep->sess_cbmaxops);
|
|
*tl++ = txdr_unsigned(sep->sess_cbsess.nfsess_foreslots);
|
|
*tl++ = txdr_unsigned(1);
|
|
*tl = txdr_unsigned(0); /* No RDMA. */
|
|
}
|
|
nfsmout:
|
|
if (nd->nd_repstat != 0 && sep != NULL)
|
|
free(sep, M_NFSDSESSION);
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 sequence service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_sequence(struct nfsrv_descript *nd, __unused int isdgram,
|
|
__unused vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
uint32_t *tl;
|
|
uint32_t highest_slotid, sequenceid, sflags, target_highest_slotid;
|
|
int cache_this, error = 0;
|
|
struct thread *p = curthread;
|
|
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl, uint32_t *, NFSX_V4SESSIONID);
|
|
NFSBCOPY(tl, nd->nd_sessionid, NFSX_V4SESSIONID);
|
|
NFSM_DISSECT(tl, uint32_t *, 4 * NFSX_UNSIGNED);
|
|
sequenceid = fxdr_unsigned(uint32_t, *tl++);
|
|
nd->nd_slotid = fxdr_unsigned(uint32_t, *tl++);
|
|
highest_slotid = fxdr_unsigned(uint32_t, *tl++);
|
|
if (*tl == newnfs_true)
|
|
cache_this = 1;
|
|
else
|
|
cache_this = 0;
|
|
nd->nd_flag |= ND_HASSEQUENCE;
|
|
nd->nd_repstat = nfsrv_checksequence(nd, sequenceid, &highest_slotid,
|
|
&target_highest_slotid, cache_this, &sflags, p);
|
|
if (nd->nd_repstat == 0) {
|
|
NFSM_BUILD(tl, uint32_t *, NFSX_V4SESSIONID);
|
|
NFSBCOPY(nd->nd_sessionid, tl, NFSX_V4SESSIONID);
|
|
NFSM_BUILD(tl, uint32_t *, 5 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(sequenceid);
|
|
*tl++ = txdr_unsigned(nd->nd_slotid);
|
|
*tl++ = txdr_unsigned(highest_slotid);
|
|
*tl++ = txdr_unsigned(target_highest_slotid);
|
|
*tl = txdr_unsigned(sflags);
|
|
}
|
|
nfsmout:
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 reclaim complete service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_reclaimcomplete(struct nfsrv_descript *nd, __unused int isdgram,
|
|
__unused vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
uint32_t *tl;
|
|
int error = 0, onefs;
|
|
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
|
|
/*
|
|
* I believe that a ReclaimComplete with rca_one_fs == TRUE is only
|
|
* to be used after a file system has been transferred to a different
|
|
* file server. However, RFC5661 is somewhat vague w.r.t. this and
|
|
* the ESXi 6.7 client does both a ReclaimComplete with rca_one_fs
|
|
* == TRUE and one with ReclaimComplete with rca_one_fs == FALSE.
|
|
* Therefore, just ignore the rca_one_fs == TRUE operation and return
|
|
* NFS_OK without doing anything.
|
|
*/
|
|
onefs = 0;
|
|
if (*tl == newnfs_true)
|
|
onefs = 1;
|
|
nd->nd_repstat = nfsrv_checkreclaimcomplete(nd, onefs);
|
|
nfsmout:
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 destroy clientid service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_destroyclientid(struct nfsrv_descript *nd, __unused int isdgram,
|
|
__unused vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
uint32_t *tl;
|
|
nfsquad_t clientid;
|
|
int error = 0;
|
|
struct thread *p = curthread;
|
|
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
|
|
clientid.lval[0] = *tl++;
|
|
clientid.lval[1] = *tl;
|
|
nd->nd_repstat = nfsrv_destroyclient(clientid, p);
|
|
nfsmout:
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 bind connection to session service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_bindconnsess(struct nfsrv_descript *nd, __unused int isdgram,
|
|
__unused vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
uint32_t *tl;
|
|
uint8_t sessid[NFSX_V4SESSIONID];
|
|
int error = 0, foreaft;
|
|
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl, uint32_t *, NFSX_V4SESSIONID + 2 * NFSX_UNSIGNED);
|
|
NFSBCOPY(tl, sessid, NFSX_V4SESSIONID);
|
|
tl += (NFSX_V4SESSIONID / NFSX_UNSIGNED);
|
|
foreaft = fxdr_unsigned(int, *tl++);
|
|
if (*tl == newnfs_true) {
|
|
/* RDMA is not supported. */
|
|
nd->nd_repstat = NFSERR_NOTSUPP;
|
|
goto nfsmout;
|
|
}
|
|
|
|
nd->nd_repstat = nfsrv_bindconnsess(nd, sessid, &foreaft);
|
|
if (nd->nd_repstat == 0) {
|
|
NFSM_BUILD(tl, uint32_t *, NFSX_V4SESSIONID + 2 *
|
|
NFSX_UNSIGNED);
|
|
NFSBCOPY(sessid, tl, NFSX_V4SESSIONID);
|
|
tl += (NFSX_V4SESSIONID / NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(foreaft);
|
|
*tl = newnfs_false;
|
|
}
|
|
nfsmout:
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 destroy session service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_destroysession(struct nfsrv_descript *nd, __unused int isdgram,
|
|
__unused vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
uint8_t *cp, sessid[NFSX_V4SESSIONID];
|
|
int error = 0;
|
|
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(cp, uint8_t *, NFSX_V4SESSIONID);
|
|
NFSBCOPY(cp, sessid, NFSX_V4SESSIONID);
|
|
nd->nd_repstat = nfsrv_destroysession(nd, sessid);
|
|
nfsmout:
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 free stateid service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_freestateid(struct nfsrv_descript *nd, __unused int isdgram,
|
|
__unused vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
uint32_t *tl;
|
|
nfsv4stateid_t stateid;
|
|
int error = 0;
|
|
struct thread *p = curthread;
|
|
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl, uint32_t *, NFSX_STATEID);
|
|
stateid.seqid = fxdr_unsigned(uint32_t, *tl++);
|
|
NFSBCOPY(tl, stateid.other, NFSX_STATEIDOTHER);
|
|
|
|
/*
|
|
* For the special stateid of other all 0s and seqid == 1, set the
|
|
* stateid to the current stateid, if it is set.
|
|
*/
|
|
if (stateid.seqid == 1 && stateid.other[0] == 0 &&
|
|
stateid.other[1] == 0 && stateid.other[2] == 0) {
|
|
if ((nd->nd_flag & ND_CURSTATEID) != 0) {
|
|
stateid = nd->nd_curstateid;
|
|
stateid.seqid = 0;
|
|
} else {
|
|
nd->nd_repstat = NFSERR_BADSTATEID;
|
|
goto nfsmout;
|
|
}
|
|
}
|
|
|
|
nd->nd_repstat = nfsrv_freestateid(nd, &stateid, p);
|
|
|
|
/* If the current stateid has been free'd, unset it. */
|
|
if (nd->nd_repstat == 0 && (nd->nd_flag & ND_CURSTATEID) != 0 &&
|
|
stateid.other[0] == nd->nd_curstateid.other[0] &&
|
|
stateid.other[1] == nd->nd_curstateid.other[1] &&
|
|
stateid.other[2] == nd->nd_curstateid.other[2])
|
|
nd->nd_flag &= ~ND_CURSTATEID;
|
|
nfsmout:
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 layoutget service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_layoutget(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, struct nfsexstuff *exp)
|
|
{
|
|
uint32_t *tl;
|
|
nfsv4stateid_t stateid;
|
|
int error = 0, layoutlen, layouttype, iomode, maxcnt, retonclose;
|
|
uint64_t offset, len, minlen;
|
|
char *layp;
|
|
struct thread *p = curthread;
|
|
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl, uint32_t *, 4 * NFSX_UNSIGNED + 3 * NFSX_HYPER +
|
|
NFSX_STATEID);
|
|
tl++; /* Signal layout available. Ignore for now. */
|
|
layouttype = fxdr_unsigned(int, *tl++);
|
|
iomode = fxdr_unsigned(int, *tl++);
|
|
offset = fxdr_hyper(tl); tl += 2;
|
|
len = fxdr_hyper(tl); tl += 2;
|
|
minlen = fxdr_hyper(tl); tl += 2;
|
|
stateid.seqid = fxdr_unsigned(uint32_t, *tl++);
|
|
NFSBCOPY(tl, stateid.other, NFSX_STATEIDOTHER);
|
|
tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
|
|
maxcnt = fxdr_unsigned(int, *tl);
|
|
NFSD_DEBUG(4, "layoutget ltyp=%d iom=%d off=%ju len=%ju mlen=%ju\n",
|
|
layouttype, iomode, (uintmax_t)offset, (uintmax_t)len,
|
|
(uintmax_t)minlen);
|
|
if (len < minlen ||
|
|
(minlen != UINT64_MAX && offset + minlen < offset) ||
|
|
(len != UINT64_MAX && offset + len < offset)) {
|
|
nd->nd_repstat = NFSERR_INVAL;
|
|
goto nfsmout;
|
|
}
|
|
|
|
/*
|
|
* For the special stateid of other all 0s and seqid == 1, set the
|
|
* stateid to the current stateid, if it is set.
|
|
*/
|
|
if (stateid.seqid == 1 && stateid.other[0] == 0 &&
|
|
stateid.other[1] == 0 && stateid.other[2] == 0) {
|
|
if ((nd->nd_flag & ND_CURSTATEID) != 0) {
|
|
stateid = nd->nd_curstateid;
|
|
stateid.seqid = 0;
|
|
} else {
|
|
nd->nd_repstat = NFSERR_BADSTATEID;
|
|
goto nfsmout;
|
|
}
|
|
}
|
|
|
|
layp = NULL;
|
|
if (layouttype == NFSLAYOUT_NFSV4_1_FILES && nfsrv_maxpnfsmirror == 1)
|
|
layp = malloc(NFSX_V4FILELAYOUT, M_TEMP, M_WAITOK);
|
|
else if (layouttype == NFSLAYOUT_FLEXFILE)
|
|
layp = malloc(NFSX_V4FLEXLAYOUT(nfsrv_maxpnfsmirror), M_TEMP,
|
|
M_WAITOK);
|
|
else
|
|
nd->nd_repstat = NFSERR_UNKNLAYOUTTYPE;
|
|
if (layp != NULL)
|
|
nd->nd_repstat = nfsrv_layoutget(nd, vp, exp, layouttype,
|
|
&iomode, &offset, &len, minlen, &stateid, maxcnt,
|
|
&retonclose, &layoutlen, layp, nd->nd_cred, p);
|
|
NFSD_DEBUG(4, "nfsrv_layoutget stat=%u layoutlen=%d\n", nd->nd_repstat,
|
|
layoutlen);
|
|
if (nd->nd_repstat == 0) {
|
|
/* For NFSv4.1, set the Current StateID. */
|
|
if ((nd->nd_flag & ND_NFSV41) != 0) {
|
|
nd->nd_curstateid = stateid;
|
|
nd->nd_flag |= ND_CURSTATEID;
|
|
}
|
|
NFSM_BUILD(tl, uint32_t *, 4 * NFSX_UNSIGNED + NFSX_STATEID +
|
|
2 * NFSX_HYPER);
|
|
*tl++ = txdr_unsigned(retonclose);
|
|
*tl++ = txdr_unsigned(stateid.seqid);
|
|
NFSBCOPY(stateid.other, tl, NFSX_STATEIDOTHER);
|
|
tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(1); /* Only returns one layout. */
|
|
txdr_hyper(offset, tl); tl += 2;
|
|
txdr_hyper(len, tl); tl += 2;
|
|
*tl++ = txdr_unsigned(iomode);
|
|
*tl = txdr_unsigned(layouttype);
|
|
nfsm_strtom(nd, layp, layoutlen);
|
|
} else if (nd->nd_repstat == NFSERR_LAYOUTTRYLATER) {
|
|
NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
|
|
*tl = newnfs_false;
|
|
}
|
|
free(layp, M_TEMP);
|
|
nfsmout:
|
|
vput(vp);
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 layoutcommit service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_layoutcommit(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, struct nfsexstuff *exp)
|
|
{
|
|
uint32_t *tl;
|
|
nfsv4stateid_t stateid;
|
|
int error = 0, hasnewoff, hasnewmtime, layouttype, maxcnt, reclaim;
|
|
int hasnewsize;
|
|
uint64_t offset, len, newoff, newsize;
|
|
struct timespec newmtime;
|
|
char *layp;
|
|
struct thread *p = curthread;
|
|
|
|
layp = NULL;
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED + 2 * NFSX_HYPER +
|
|
NFSX_STATEID);
|
|
offset = fxdr_hyper(tl); tl += 2;
|
|
len = fxdr_hyper(tl); tl += 2;
|
|
reclaim = fxdr_unsigned(int, *tl++);
|
|
stateid.seqid = fxdr_unsigned(uint32_t, *tl++);
|
|
NFSBCOPY(tl, stateid.other, NFSX_STATEIDOTHER);
|
|
tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
|
|
/*
|
|
* For the special stateid of other all 0s and seqid == 1, set the
|
|
* stateid to the current stateid, if it is set.
|
|
*/
|
|
if (stateid.seqid == 1 && stateid.other[0] == 0 &&
|
|
stateid.other[1] == 0 && stateid.other[2] == 0) {
|
|
if ((nd->nd_flag & ND_CURSTATEID) != 0) {
|
|
stateid = nd->nd_curstateid;
|
|
stateid.seqid = 0;
|
|
} else {
|
|
nd->nd_repstat = NFSERR_BADSTATEID;
|
|
goto nfsmout;
|
|
}
|
|
}
|
|
|
|
hasnewoff = fxdr_unsigned(int, *tl);
|
|
if (hasnewoff != 0) {
|
|
NFSM_DISSECT(tl, uint32_t *, NFSX_HYPER + NFSX_UNSIGNED);
|
|
newoff = fxdr_hyper(tl); tl += 2;
|
|
} else
|
|
NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
|
|
hasnewmtime = fxdr_unsigned(int, *tl);
|
|
if (hasnewmtime != 0) {
|
|
NFSM_DISSECT(tl, uint32_t *, NFSX_V4TIME + 2 * NFSX_UNSIGNED);
|
|
fxdr_nfsv4time(tl, &newmtime);
|
|
tl += (NFSX_V4TIME / NFSX_UNSIGNED);
|
|
} else
|
|
NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED);
|
|
layouttype = fxdr_unsigned(int, *tl++);
|
|
maxcnt = fxdr_unsigned(int, *tl);
|
|
if (maxcnt > 0) {
|
|
layp = malloc(maxcnt + 1, M_TEMP, M_WAITOK);
|
|
error = nfsrv_mtostr(nd, layp, maxcnt);
|
|
if (error != 0)
|
|
goto nfsmout;
|
|
}
|
|
nd->nd_repstat = nfsrv_layoutcommit(nd, vp, layouttype, hasnewoff,
|
|
newoff, offset, len, hasnewmtime, &newmtime, reclaim, &stateid,
|
|
maxcnt, layp, &hasnewsize, &newsize, nd->nd_cred, p);
|
|
NFSD_DEBUG(4, "nfsrv_layoutcommit stat=%u\n", nd->nd_repstat);
|
|
if (nd->nd_repstat == 0) {
|
|
if (hasnewsize != 0) {
|
|
NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED + NFSX_HYPER);
|
|
*tl++ = newnfs_true;
|
|
txdr_hyper(newsize, tl);
|
|
} else {
|
|
NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
|
|
*tl = newnfs_false;
|
|
}
|
|
}
|
|
nfsmout:
|
|
free(layp, M_TEMP);
|
|
vput(vp);
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 layoutreturn service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_layoutreturn(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, struct nfsexstuff *exp)
|
|
{
|
|
uint32_t *tl, *layp;
|
|
nfsv4stateid_t stateid;
|
|
int error = 0, fnd, kind, layouttype, iomode, maxcnt, reclaim;
|
|
uint64_t offset, len;
|
|
struct thread *p = curthread;
|
|
|
|
layp = NULL;
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl, uint32_t *, 4 * NFSX_UNSIGNED);
|
|
reclaim = *tl++;
|
|
layouttype = fxdr_unsigned(int, *tl++);
|
|
iomode = fxdr_unsigned(int, *tl++);
|
|
kind = fxdr_unsigned(int, *tl);
|
|
NFSD_DEBUG(4, "layoutreturn recl=%d ltyp=%d iom=%d kind=%d\n", reclaim,
|
|
layouttype, iomode, kind);
|
|
if (kind == NFSV4LAYOUTRET_FILE) {
|
|
NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_HYPER + NFSX_STATEID +
|
|
NFSX_UNSIGNED);
|
|
offset = fxdr_hyper(tl); tl += 2;
|
|
len = fxdr_hyper(tl); tl += 2;
|
|
stateid.seqid = fxdr_unsigned(uint32_t, *tl++);
|
|
NFSBCOPY(tl, stateid.other, NFSX_STATEIDOTHER);
|
|
tl += (NFSX_STATEIDOTHER / NFSX_UNSIGNED);
|
|
|
|
/*
|
|
* For the special stateid of other all 0s and seqid == 1, set
|
|
* the stateid to the current stateid, if it is set.
|
|
*/
|
|
if (stateid.seqid == 1 && stateid.other[0] == 0 &&
|
|
stateid.other[1] == 0 && stateid.other[2] == 0) {
|
|
if ((nd->nd_flag & ND_CURSTATEID) != 0) {
|
|
stateid = nd->nd_curstateid;
|
|
stateid.seqid = 0;
|
|
} else {
|
|
nd->nd_repstat = NFSERR_BADSTATEID;
|
|
goto nfsmout;
|
|
}
|
|
}
|
|
|
|
maxcnt = fxdr_unsigned(int, *tl);
|
|
if (maxcnt > 0) {
|
|
layp = malloc(maxcnt + 1, M_TEMP, M_WAITOK);
|
|
error = nfsrv_mtostr(nd, (char *)layp, maxcnt);
|
|
if (error != 0)
|
|
goto nfsmout;
|
|
}
|
|
} else {
|
|
if (reclaim == newnfs_true) {
|
|
nd->nd_repstat = NFSERR_INVAL;
|
|
goto nfsmout;
|
|
}
|
|
offset = len = 0;
|
|
maxcnt = 0;
|
|
}
|
|
nd->nd_repstat = nfsrv_layoutreturn(nd, vp, layouttype, iomode,
|
|
offset, len, reclaim, kind, &stateid, maxcnt, layp, &fnd,
|
|
nd->nd_cred, p);
|
|
NFSD_DEBUG(4, "nfsrv_layoutreturn stat=%u fnd=%d\n", nd->nd_repstat,
|
|
fnd);
|
|
if (nd->nd_repstat == 0) {
|
|
NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
|
|
if (fnd != 0) {
|
|
*tl = newnfs_true;
|
|
NFSM_BUILD(tl, uint32_t *, NFSX_STATEID);
|
|
*tl++ = txdr_unsigned(stateid.seqid);
|
|
NFSBCOPY(stateid.other, tl, NFSX_STATEIDOTHER);
|
|
} else
|
|
*tl = newnfs_false;
|
|
}
|
|
nfsmout:
|
|
free(layp, M_TEMP);
|
|
vput(vp);
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 getdeviceinfo service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_getdevinfo(struct nfsrv_descript *nd, __unused int isdgram,
|
|
__unused vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
uint32_t *tl, maxcnt, notify[NFSV4_NOTIFYBITMAP];
|
|
int cnt, devaddrlen, error = 0, i, layouttype;
|
|
char devid[NFSX_V4DEVICEID], *devaddr;
|
|
time_t dev_time;
|
|
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl, uint32_t *, 3 * NFSX_UNSIGNED + NFSX_V4DEVICEID);
|
|
NFSBCOPY(tl, devid, NFSX_V4DEVICEID);
|
|
tl += (NFSX_V4DEVICEID / NFSX_UNSIGNED);
|
|
layouttype = fxdr_unsigned(int, *tl++);
|
|
maxcnt = fxdr_unsigned(uint32_t, *tl++);
|
|
cnt = fxdr_unsigned(int, *tl);
|
|
NFSD_DEBUG(4, "getdevinfo ltyp=%d maxcnt=%u bitcnt=%d\n", layouttype,
|
|
maxcnt, cnt);
|
|
if (cnt > NFSV4_NOTIFYBITMAP || cnt < 0) {
|
|
nd->nd_repstat = NFSERR_INVAL;
|
|
goto nfsmout;
|
|
}
|
|
if (cnt > 0) {
|
|
NFSM_DISSECT(tl, uint32_t *, cnt * NFSX_UNSIGNED);
|
|
for (i = 0; i < cnt; i++)
|
|
notify[i] = fxdr_unsigned(uint32_t, *tl++);
|
|
}
|
|
for (i = cnt; i < NFSV4_NOTIFYBITMAP; i++)
|
|
notify[i] = 0;
|
|
|
|
/*
|
|
* Check that the device id is not stale. Device ids are recreated
|
|
* each time the nfsd threads are restarted.
|
|
*/
|
|
NFSBCOPY(devid, &dev_time, sizeof(dev_time));
|
|
if (dev_time != nfsdev_time) {
|
|
nd->nd_repstat = NFSERR_NOENT;
|
|
goto nfsmout;
|
|
}
|
|
|
|
/* Look for the device id. */
|
|
nd->nd_repstat = nfsrv_getdevinfo(devid, layouttype, &maxcnt,
|
|
notify, &devaddrlen, &devaddr);
|
|
NFSD_DEBUG(4, "nfsrv_getdevinfo stat=%u\n", nd->nd_repstat);
|
|
if (nd->nd_repstat == 0) {
|
|
NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(layouttype);
|
|
nfsm_strtom(nd, devaddr, devaddrlen);
|
|
cnt = 0;
|
|
for (i = 0; i < NFSV4_NOTIFYBITMAP; i++) {
|
|
if (notify[i] != 0)
|
|
cnt = i + 1;
|
|
}
|
|
NFSM_BUILD(tl, uint32_t *, (cnt + 1) * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(cnt);
|
|
for (i = 0; i < cnt; i++)
|
|
*tl++ = txdr_unsigned(notify[i]);
|
|
} else if (nd->nd_repstat == NFSERR_TOOSMALL) {
|
|
NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(maxcnt);
|
|
}
|
|
nfsmout:
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 test stateid service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_teststateid(struct nfsrv_descript *nd, __unused int isdgram,
|
|
__unused vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
uint32_t *tl;
|
|
nfsv4stateid_t *stateidp = NULL, *tstateidp;
|
|
int cnt, error = 0, i, ret;
|
|
struct thread *p = curthread;
|
|
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl, uint32_t *, NFSX_UNSIGNED);
|
|
cnt = fxdr_unsigned(int, *tl);
|
|
if (cnt <= 0 || cnt > 1024) {
|
|
nd->nd_repstat = NFSERR_BADXDR;
|
|
goto nfsmout;
|
|
}
|
|
stateidp = mallocarray(cnt, sizeof(nfsv4stateid_t), M_TEMP, M_WAITOK);
|
|
tstateidp = stateidp;
|
|
for (i = 0; i < cnt; i++) {
|
|
NFSM_DISSECT(tl, uint32_t *, NFSX_STATEID);
|
|
tstateidp->seqid = fxdr_unsigned(uint32_t, *tl++);
|
|
NFSBCOPY(tl, tstateidp->other, NFSX_STATEIDOTHER);
|
|
tstateidp++;
|
|
}
|
|
NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(cnt);
|
|
tstateidp = stateidp;
|
|
for (i = 0; i < cnt; i++) {
|
|
ret = nfsrv_teststateid(nd, tstateidp, p);
|
|
NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(ret);
|
|
tstateidp++;
|
|
}
|
|
nfsmout:
|
|
free(stateidp, M_TEMP);
|
|
NFSEXITCODE2(error, nd);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 service not supported
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_notsupp(struct nfsrv_descript *nd, __unused int isdgram,
|
|
__unused vnode_t vp, __unused struct nfsexstuff *exp)
|
|
{
|
|
|
|
nd->nd_repstat = NFSERR_NOTSUPP;
|
|
NFSEXITCODE2(0, nd);
|
|
return (0);
|
|
}
|
|
|