ee5033e8f0
server is broken and the major file systems are now all mpsafe, modify the server so that it will only export mpsafe file systems. This was discussed on freebsd-fs@ and removes a fair bit of crufty code. MFC after: 12 days
3409 lines
91 KiB
C
3409 lines
91 KiB
C
/*-
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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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* 4. 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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|
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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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#endif /* !APPLEKEXT */
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|
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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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|
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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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/*
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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, NFSPROC_T *p, 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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if (nd->nd_repstat) {
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nfsrv_postopattr(nd, 1, &nva);
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return (0);
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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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return (0);
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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->nd_cred, p, 1);
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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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return (0);
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nfsmout:
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vput(vp);
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return (error);
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}
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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, NFSPROC_T *p, __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 error = 0;
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struct nfsreferral *refp;
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nfsattrbit_t attrbits;
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if (nd->nd_repstat)
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return (0);
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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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return (error);
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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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return (0);
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}
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if (!nd->nd_repstat)
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nd->nd_repstat = nfsvno_accchk(vp,
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VREAD_ATTRIBUTES,
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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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if (!nd->nd_repstat)
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nd->nd_repstat = nfsvno_getattr(vp, &nva, nd->nd_cred, p, 1);
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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, nd->nd_cred, p);
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NFSVOPUNLOCK(vp, 0, p);
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if (!nd->nd_repstat)
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(void) nfsvno_fillattr(nd, vp, &nva, &fh,
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0, &attrbits, nd->nd_cred, p, isdgram, 1);
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vrele(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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return (0);
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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, NFSPROC_T *p, 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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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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|
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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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return (0);
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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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NFSVNO_ATTRINIT(&nva);
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NFSZERO_ATTRBIT(&retbits);
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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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NFSBCOPY((caddr_t)tl,(caddr_t)stateid.other,NFSX_STATEIDOTHER);
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}
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error = nfsrv_sattr(nd, &nva, &attrbits, aclp, p);
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if (error)
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goto nfsmout;
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preat_ret = nfsvno_getattr(vp, &nva2, nd->nd_cred, p, 1);
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if (!nd->nd_repstat)
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nd->nd_repstat = preat_ret;
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if (nd->nd_flag & ND_NFSV3) {
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NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
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gcheck = fxdr_unsigned(int, *tl);
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if (gcheck) {
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NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
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fxdr_nfsv3time(tl, &guard);
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}
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if (!nd->nd_repstat && gcheck &&
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(nva2.na_ctime.tv_sec != guard.tv_sec ||
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nva2.na_ctime.tv_nsec != guard.tv_nsec))
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nd->nd_repstat = NFSERR_NOT_SYNC;
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if (nd->nd_repstat) {
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vput(vp);
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#ifdef NFS4_ACL_EXTATTR_NAME
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acl_free(aclp);
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#endif
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nfsrv_wcc(nd, preat_ret, &nva2, postat_ret, &nva);
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return (0);
|
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}
|
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} else if (!nd->nd_repstat && (nd->nd_flag & ND_NFSV4))
|
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nd->nd_repstat = nfsrv_checkuidgid(nd, &nva);
|
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|
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/*
|
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* Now that we have all the fields, lets do it.
|
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* If the size is being changed write access is required, otherwise
|
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* just check for a read only file system.
|
|
*/
|
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if (!nd->nd_repstat) {
|
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if (NFSVNO_NOTSETSIZE(&nva)) {
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if (NFSVNO_EXRDONLY(exp) ||
|
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(vfs_flags(vnode_mount(vp)) & MNT_RDONLY))
|
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nd->nd_repstat = EROFS;
|
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} else {
|
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if (vnode_vtype(vp) != VREG)
|
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nd->nd_repstat = EINVAL;
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else if (nva2.na_uid != nd->nd_cred->cr_uid ||
|
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NFSVNO_EXSTRICTACCESS(exp))
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nd->nd_repstat = nfsvno_accchk(vp,
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VWRITE, nd->nd_cred, exp, p,
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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 && (nd->nd_flag & ND_NFSV4))
|
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nd->nd_repstat = nfsrv_checksetattr(vp, nd, &stateid,
|
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&nva, &attrbits, exp, p);
|
|
|
|
if (!nd->nd_repstat && (nd->nd_flag & ND_NFSV4)) {
|
|
/*
|
|
* For V4, try setting the attrbutes in sets, so that the
|
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* reply bitmap will be correct for an error case.
|
|
*/
|
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if (NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_OWNER) ||
|
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NFSISSET_ATTRBIT(&attrbits, NFSATTRBIT_OWNERGROUP)) {
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NFSVNO_ATTRINIT(&nva2);
|
|
NFSVNO_SETATTRVAL(&nva2, uid, nva.na_uid);
|
|
NFSVNO_SETATTRVAL(&nva2, gid, nva.na_gid);
|
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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->nd_cred, p, 1);
|
|
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);
|
|
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);
|
|
}
|
|
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, NFSPROC_T *p,
|
|
__unused struct nfsexstuff *exp)
|
|
{
|
|
struct nameidata named;
|
|
vnode_t vp, dirp = NULL;
|
|
int error, dattr_ret = 1;
|
|
struct nfsvattr nva, dattr;
|
|
char *bufp;
|
|
u_long *hashp;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_postopattr(nd, dattr_ret, &dattr);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* 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);
|
|
return (0);
|
|
}
|
|
|
|
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);
|
|
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 (nd->nd_repstat) {
|
|
if (dirp) {
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
dattr_ret = nfsvno_getattr(dirp, &dattr,
|
|
nd->nd_cred, p, 0);
|
|
vrele(dirp);
|
|
}
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
nfsrv_postopattr(nd, dattr_ret, &dattr);
|
|
return (0);
|
|
}
|
|
if (named.ni_startdir)
|
|
vrele(named.ni_startdir);
|
|
nfsvno_relpathbuf(&named);
|
|
vp = named.ni_vp;
|
|
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->nd_cred, p, 1);
|
|
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->nd_cred,
|
|
p, 0);
|
|
vrele(dirp);
|
|
}
|
|
if (nd->nd_repstat) {
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
nfsrv_postopattr(nd, dattr_ret, &dattr);
|
|
return (0);
|
|
}
|
|
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);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* nfs readlink service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_readlink(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, NFSPROC_T *p, __unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
mbuf_t mp = NULL, mpend = NULL;
|
|
int getret = 1, len;
|
|
struct nfsvattr nva;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_postopattr(nd, getret, &nva);
|
|
return (0);
|
|
}
|
|
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->nd_cred, p, 1);
|
|
vput(vp);
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
nfsrv_postopattr(nd, getret, &nva);
|
|
if (nd->nd_repstat)
|
|
return (0);
|
|
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);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* nfs read service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_read(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, NFSPROC_T *p, struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
int error = 0, cnt, len, getret = 1, 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;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_postopattr(nd, getret, &nva);
|
|
return (0);
|
|
}
|
|
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;
|
|
}
|
|
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) {
|
|
if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK! multiple clids\n");
|
|
} else {
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
stp->ls_stateid.other[2] = *tl++;
|
|
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->nd_cred, p, 1);
|
|
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);
|
|
}
|
|
if ((nd->nd_flag & ND_NFSV4) && !nd->nd_repstat)
|
|
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);
|
|
return (0);
|
|
}
|
|
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;
|
|
else
|
|
cnt = reqlen;
|
|
len = NFSM_RNDUP(cnt);
|
|
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->nd_cred, p, 1);
|
|
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);
|
|
return (0);
|
|
}
|
|
}
|
|
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 (len < reqlen || 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);
|
|
}
|
|
return (0);
|
|
nfsmout:
|
|
vput(vp);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs write service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_write(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, NFSPROC_T *p, 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 stable = NFSWRITE_FILESYNC;
|
|
off_t off;
|
|
struct nfsstate st, *stp = &st;
|
|
struct nfslock lo, *lop = &lo;
|
|
nfsv4stateid_t stateid;
|
|
nfsquad_t clientid;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_wcc(nd, forat_ret, &forat, aftat_ret, &nva);
|
|
return (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) {
|
|
if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK! multiple clids\n");
|
|
} else {
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
stp->ls_stateid.other[2] = *tl++;
|
|
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_MAXDATA || 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;
|
|
}
|
|
forat_ret = nfsvno_getattr(vp, &forat, nd->nd_cred, p, 1);
|
|
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);
|
|
if ((nd->nd_flag & ND_NFSV4) && !nd->nd_repstat) {
|
|
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);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* 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)
|
|
panic("nfsrv_write mbuf");
|
|
}
|
|
if (nd->nd_flag & ND_NFSV4)
|
|
aftat_ret = 0;
|
|
else
|
|
aftat_ret = nfsvno_getattr(vp, &nva, nd->nd_cred, p, 1);
|
|
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)
|
|
return (0);
|
|
NFSM_BUILD(tl, u_int32_t *, 4 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(retlen);
|
|
if (stable == NFSWRITE_UNSTABLE)
|
|
*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);
|
|
return (0);
|
|
nfsmout:
|
|
vput(vp);
|
|
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, NFSPROC_T *p, 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 };
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
|
|
return (0);
|
|
}
|
|
NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, CREATE,
|
|
LOCKPARENT | LOCKLEAF | SAVESTART);
|
|
nfsvno_setpathbuf(&named, &bufp, &hashp);
|
|
error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
|
|
if (error) {
|
|
vput(dp);
|
|
nfsvno_relpathbuf(&named);
|
|
return (error);
|
|
}
|
|
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, &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->nd_cred,
|
|
p, 1);
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret,
|
|
&diraft);
|
|
}
|
|
vput(dp);
|
|
return (0);
|
|
}
|
|
|
|
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->nd_cred,
|
|
p, 0);
|
|
}
|
|
}
|
|
if (nd->nd_repstat) {
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret,
|
|
&diraft);
|
|
if (dirp)
|
|
vrele(dirp);
|
|
return (0);
|
|
}
|
|
|
|
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, p, 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->nd_cred,
|
|
p, 1);
|
|
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->nd_cred, p, 0);
|
|
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);
|
|
}
|
|
return (0);
|
|
nfsmout:
|
|
vput(dp);
|
|
nfsvno_relpathbuf(&named);
|
|
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, NFSPROC_T *p,
|
|
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;
|
|
|
|
NFSVNO_ATTRINIT(&nva);
|
|
cnflags = (LOCKPARENT | SAVESTART);
|
|
if (nd->nd_repstat) {
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
|
|
return (0);
|
|
}
|
|
#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) {
|
|
vrele(dp);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
return (error);
|
|
}
|
|
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
|
|
return (0);
|
|
};
|
|
}
|
|
NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, CREATE, cnflags);
|
|
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
|
|
nfsvno_relpathbuf(&named);
|
|
if (pathcp)
|
|
FREE(pathcp, M_TEMP);
|
|
return (error);
|
|
}
|
|
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, &nva, &attrbits, aclp, p);
|
|
if (error) {
|
|
vrele(dp);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
nfsvno_relpathbuf(&named);
|
|
if (pathcp)
|
|
FREE(pathcp, M_TEMP);
|
|
return (error);
|
|
}
|
|
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->nd_cred, p, 0);
|
|
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);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* 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->nd_cred, p, 0);
|
|
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);
|
|
return (0);
|
|
}
|
|
if (dirp)
|
|
dirfor_ret = nfsvno_getattr(dirp, &dirfor, nd->nd_cred, p, 0);
|
|
|
|
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
|
|
return (0);
|
|
} 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);
|
|
return (0);
|
|
}
|
|
}
|
|
|
|
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->nd_cred,
|
|
p, 1);
|
|
if (vpp != NULL && nd->nd_repstat == 0) {
|
|
VOP_UNLOCK(vp, 0);
|
|
*vpp = vp;
|
|
} else
|
|
vput(vp);
|
|
}
|
|
|
|
diraft_ret = nfsvno_getattr(dirp, &diraft, nd->nd_cred, p, 0);
|
|
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
|
|
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);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs remove service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_remove(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t dp, NFSPROC_T *p, struct nfsexstuff *exp)
|
|
{
|
|
struct nameidata named;
|
|
u_int32_t *tl;
|
|
int error, dirfor_ret = 1, diraft_ret = 1;
|
|
vnode_t dirp = NULL;
|
|
struct nfsvattr dirfor, diraft;
|
|
char *bufp;
|
|
u_long *hashp;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
|
|
return (0);
|
|
}
|
|
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);
|
|
return (error);
|
|
}
|
|
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->nd_cred, p, 0);
|
|
} 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->nd_cred,
|
|
p, 0);
|
|
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);
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* nfs rename service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_rename(struct nfsrv_descript *nd, int isdgram,
|
|
vnode_t dp, vnode_t todp, NFSPROC_T *p, struct nfsexstuff *exp,
|
|
struct nfsexstuff *toexp)
|
|
{
|
|
u_int32_t *tl;
|
|
int error, 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;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_wcc(nd, fdirfor_ret, &fdirfor, fdiraft_ret, &fdiraft);
|
|
nfsrv_wcc(nd, tdirfor_ret, &tdirfor, tdiraft_ret, &tdiraft);
|
|
return (0);
|
|
}
|
|
if (!(nd->nd_flag & ND_NFSV2))
|
|
fdirfor_ret = nfsvno_getattr(dp, &fdirfor, nd->nd_cred, p, 1);
|
|
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);
|
|
return (error);
|
|
}
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
tdp = todp;
|
|
tnes = *toexp;
|
|
tdirfor_ret = nfsvno_getattr(tdp, &tdirfor, nd->nd_cred, p, 0);
|
|
} else {
|
|
error = nfsrv_mtofh(nd, &tfh);
|
|
if (error) {
|
|
vput(dp);
|
|
/* todp is always NULL except NFSv4 */
|
|
nfsvno_relpathbuf(&fromnd);
|
|
return (error);
|
|
}
|
|
nd->nd_cred->cr_uid = nd->nd_saveduid;
|
|
nfsd_fhtovp(nd, &tfh, LK_EXCLUSIVE, &tdp, &tnes, NULL, 0, p);
|
|
if (tdp) {
|
|
tdirfor_ret = nfsvno_getattr(tdp, &tdirfor, nd->nd_cred,
|
|
p, 1);
|
|
NFSVOPUNLOCK(tdp, 0, p);
|
|
}
|
|
}
|
|
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);
|
|
vput(dp);
|
|
nfsvno_relpathbuf(&fromnd);
|
|
nfsvno_relpathbuf(&tond);
|
|
return (error);
|
|
}
|
|
}
|
|
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);
|
|
vput(dp);
|
|
nfsvno_relpathbuf(&fromnd);
|
|
nfsvno_relpathbuf(&tond);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Done parsing, now down to business.
|
|
*/
|
|
nd->nd_repstat = nfsvno_namei(nd, &fromnd, dp, 1, 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);
|
|
return (0);
|
|
}
|
|
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->nd_cred, p,
|
|
0);
|
|
if (tdirp)
|
|
tdiraft_ret = nfsvno_getattr(tdirp, &tdiraft, nd->nd_cred, p,
|
|
0);
|
|
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);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* nfs link service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_link(struct nfsrv_descript *nd, int isdgram,
|
|
vnode_t vp, vnode_t tovp, NFSPROC_T *p, 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;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_postopattr(nd, getret, &at);
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
|
|
return (0);
|
|
}
|
|
NFSVOPUNLOCK(vp, 0, p);
|
|
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);
|
|
} else if (vnode_vtype(vp) == VLNK) {
|
|
if (nd->nd_flag & ND_NFSV2)
|
|
nd->nd_repstat = NFSERR_INVAL;
|
|
else
|
|
nd->nd_repstat = NFSERR_NOTSUPP;
|
|
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 */
|
|
return (error);
|
|
}
|
|
nfsd_fhtovp(nd, &dfh, LK_EXCLUSIVE, &dp, &tnes, NULL, 0,
|
|
p);
|
|
if (dp)
|
|
NFSVOPUNLOCK(dp, 0, p);
|
|
}
|
|
}
|
|
NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, CREATE,
|
|
LOCKPARENT | SAVENAME);
|
|
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);
|
|
return (error);
|
|
}
|
|
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->nd_cred, p, 0);
|
|
}
|
|
}
|
|
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->nd_cred, p, 0);
|
|
if (dirp) {
|
|
diraft_ret = nfsvno_getattr(dirp, &diraft, nd->nd_cred, p, 0);
|
|
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);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* nfs symbolic link service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_symlink(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t dp, vnode_t *vpp, fhandle_t *fhp, NFSPROC_T *p,
|
|
struct nfsexstuff *exp)
|
|
{
|
|
struct nfsvattr nva, dirfor, diraft;
|
|
struct nameidata named;
|
|
int error, dirfor_ret = 1, diraft_ret = 1, pathlen;
|
|
vnode_t dirp = NULL;
|
|
char *bufp, *pathcp = NULL;
|
|
u_long *hashp;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
|
|
return (0);
|
|
}
|
|
if (vpp)
|
|
*vpp = NULL;
|
|
NFSVNO_ATTRINIT(&nva);
|
|
NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, CREATE,
|
|
LOCKPARENT | SAVESTART);
|
|
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);
|
|
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 (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->nd_cred,
|
|
p, 0);
|
|
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->nd_cred, p, 0);
|
|
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);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* 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->nd_cred, p, 1);
|
|
}
|
|
if (vpp != NULL && nd->nd_repstat == 0) {
|
|
VOP_UNLOCK(ndp->ni_vp, 0);
|
|
*vpp = ndp->ni_vp;
|
|
} else
|
|
vput(ndp->ni_vp);
|
|
}
|
|
if (dirp) {
|
|
*diraft_retp = nfsvno_getattr(dirp, diraftp, nd->nd_cred, p, 0);
|
|
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);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* nfs mkdir service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_mkdir(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t dp, vnode_t *vpp, fhandle_t *fhp, NFSPROC_T *p,
|
|
struct nfsexstuff *exp)
|
|
{
|
|
struct nfsvattr nva, dirfor, diraft;
|
|
struct nameidata named;
|
|
u_int32_t *tl;
|
|
int error, dirfor_ret = 1, diraft_ret = 1;
|
|
vnode_t dirp = NULL;
|
|
char *bufp;
|
|
u_long *hashp;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret, &diraft);
|
|
return (0);
|
|
}
|
|
NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, CREATE,
|
|
LOCKPARENT | SAVENAME);
|
|
nfsvno_setpathbuf(&named, &bufp, &hashp);
|
|
error = nfsrv_parsename(nd, bufp, hashp, &named.ni_pathlen);
|
|
if (error) {
|
|
vrele(dp);
|
|
nfsvno_relpathbuf(&named);
|
|
return (error);
|
|
}
|
|
if (!nd->nd_repstat) {
|
|
NFSVNO_ATTRINIT(&nva);
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
error = nfsrv_sattr(nd, &nva, NULL, NULL, p);
|
|
if (error) {
|
|
vrele(dp);
|
|
nfsvno_relpathbuf(&named);
|
|
return (error);
|
|
}
|
|
} 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->nd_cred,
|
|
p, 0);
|
|
vrele(dirp);
|
|
}
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
nfsrv_wcc(nd, dirfor_ret, &dirfor, diraft_ret,
|
|
&diraft);
|
|
return (0);
|
|
}
|
|
if (dirp != NULL)
|
|
dirfor_ret = nfsvno_getattr(dirp, &dirfor, nd->nd_cred, p, 0);
|
|
|
|
/*
|
|
* 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);
|
|
}
|
|
return (0);
|
|
nfsmout:
|
|
vrele(dp);
|
|
nfsvno_relpathbuf(&named);
|
|
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->nd_cred,
|
|
p, 1);
|
|
if (vpp && !nd->nd_repstat) {
|
|
NFSVOPUNLOCK(vp, 0, p);
|
|
*vpp = vp;
|
|
} else {
|
|
vput(vp);
|
|
}
|
|
}
|
|
if (dirp) {
|
|
*diraft_retp = nfsvno_getattr(dirp, diraftp, nd->nd_cred, p, 0);
|
|
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);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* nfs commit service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_commit(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, NFSPROC_T *p, __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;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_wcc(nd, for_ret, &bfor, aft_ret, &aft);
|
|
return (0);
|
|
}
|
|
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->nd_cred, p, 1);
|
|
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->nd_cred, p, 1);
|
|
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);
|
|
}
|
|
return (0);
|
|
nfsmout:
|
|
vput(vp);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs statfs service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_statfs(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, NFSPROC_T *p, __unused struct nfsexstuff *exp)
|
|
{
|
|
struct statfs *sf;
|
|
u_int32_t *tl;
|
|
int getret = 1;
|
|
struct nfsvattr at;
|
|
struct statfs sfs;
|
|
u_quad_t tval;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_postopattr(nd, getret, &at);
|
|
return (0);
|
|
}
|
|
sf = &sfs;
|
|
nd->nd_repstat = nfsvno_statfs(vp, sf);
|
|
getret = nfsvno_getattr(vp, &at, nd->nd_cred, p, 1);
|
|
vput(vp);
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
nfsrv_postopattr(nd, getret, &at);
|
|
if (nd->nd_repstat)
|
|
return (0);
|
|
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;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* nfs fsinfo service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_fsinfo(struct nfsrv_descript *nd, int isdgram,
|
|
vnode_t vp, NFSPROC_T *p, __unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsfsinfo fs;
|
|
int getret = 1;
|
|
struct nfsvattr at;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_postopattr(nd, getret, &at);
|
|
return (0);
|
|
}
|
|
getret = nfsvno_getattr(vp, &at, nd->nd_cred, p, 1);
|
|
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);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* nfs pathconf service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_pathconf(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, NFSPROC_T *p, __unused struct nfsexstuff *exp)
|
|
{
|
|
struct nfsv3_pathconf *pc;
|
|
int getret = 1;
|
|
register_t linkmax, namemax, chownres, notrunc;
|
|
struct nfsvattr at;
|
|
|
|
if (nd->nd_repstat) {
|
|
nfsrv_postopattr(nd, getret, &at);
|
|
return (0);
|
|
}
|
|
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->nd_cred, p, 1);
|
|
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;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 lock service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_lock(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, NFSPROC_T *p, 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;
|
|
|
|
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;
|
|
}
|
|
MALLOC(stp, struct nfsstate *, 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);
|
|
stp->ls_opentolockseq = fxdr_unsigned(int, *tl++);
|
|
clientid.lval[0] = *tl++;
|
|
clientid.lval[1] = *tl++;
|
|
if (nd->nd_flag & ND_IMPLIEDCLID) {
|
|
if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK! multiple clids\n");
|
|
} else {
|
|
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);
|
|
MALLOC(stp, struct nfsstate *, 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);
|
|
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) {
|
|
if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK! multiple clids\n");
|
|
} else {
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
}
|
|
MALLOC(lop, struct nfslock *, 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((caddr_t)lop, M_NFSDLOCK);
|
|
if (stp)
|
|
FREE((caddr_t)stp, M_NFSDSTATE);
|
|
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);
|
|
} 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);
|
|
return (0);
|
|
nfsmout:
|
|
vput(vp);
|
|
if (stp)
|
|
free((caddr_t)stp, M_NFSDSTATE);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 lock test service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_lockt(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, NFSPROC_T *p, 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;
|
|
|
|
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;
|
|
}
|
|
MALLOC(stp, struct nfsstate *, 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) {
|
|
if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK! multiple clids\n");
|
|
} else {
|
|
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 (stp)
|
|
FREE((caddr_t)stp, M_NFSDSTATE);
|
|
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);
|
|
return (0);
|
|
nfsmout:
|
|
vput(vp);
|
|
if (stp)
|
|
free((caddr_t)stp, M_NFSDSTATE);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 unlock service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_locku(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, NFSPROC_T *p, 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;
|
|
|
|
NFSM_DISSECT(tl, u_int32_t *, 6 * NFSX_UNSIGNED + NFSX_STATEID);
|
|
MALLOC(stp, struct nfsstate *, sizeof (struct nfsstate),
|
|
M_NFSDSTATE, M_WAITOK);
|
|
MALLOC(lop, struct nfslock *, 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);
|
|
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) {
|
|
if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK! multiple clids\n");
|
|
} else {
|
|
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((caddr_t)stp, M_NFSDSTATE);
|
|
if (lop)
|
|
free((caddr_t)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);
|
|
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, NFSPROC_T *p,
|
|
struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
int i;
|
|
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;
|
|
|
|
#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;
|
|
vrele(dp);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
return (0);
|
|
}
|
|
MALLOC(stp, struct nfsstate *, 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++);
|
|
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) {
|
|
if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK! multiple clids\n");
|
|
} else {
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
error = nfsrv_mtostr(nd, stp->ls_owner, stp->ls_ownerlen);
|
|
if (error) {
|
|
vrele(dp);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
FREE((caddr_t)stp, M_NFSDSTATE);
|
|
return (error);
|
|
}
|
|
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->nd_cred, p, 0);
|
|
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, &nva, &attrbits, aclp, p);
|
|
if (error) {
|
|
vrele(dp);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
FREE((caddr_t)stp, M_NFSDSTATE);
|
|
return (error);
|
|
}
|
|
/*
|
|
* 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;
|
|
default:
|
|
nd->nd_repstat = NFSERR_BADXDR;
|
|
vrele(dp);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
FREE((caddr_t)stp, M_NFSDSTATE);
|
|
return (0);
|
|
};
|
|
} else if (create != NFSV4OPEN_NOCREATE) {
|
|
nd->nd_repstat = NFSERR_BADXDR;
|
|
vrele(dp);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
FREE((caddr_t)stp, M_NFSDSTATE);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* 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);
|
|
vrele(dp);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
FREE((caddr_t)stp, M_NFSDSTATE);
|
|
return (0);
|
|
}
|
|
if (create == NFSV4OPEN_CREATE)
|
|
NFSNAMEICNDSET(&named.ni_cnd, nd->nd_cred, CREATE,
|
|
LOCKPARENT | LOCKLEAF | SAVESTART);
|
|
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((caddr_t)stp, M_NFSDSTATE);
|
|
nfsvno_relpathbuf(&named);
|
|
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;
|
|
};
|
|
}
|
|
nfsvno_open(nd, &named, clientid, &stateid, stp,
|
|
&exclusive_flag, &nva, cverf, create, aclp, &attrbits,
|
|
nd->nd_cred, p, exp, &vp);
|
|
} else 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;
|
|
vrele(dp);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
FREE((caddr_t)stp, M_NFSDSTATE);
|
|
return (0);
|
|
};
|
|
stp->ls_flags |= NFSLCK_RECLAIM;
|
|
vp = dp;
|
|
vn_lock(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;
|
|
vrele(dp);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
FREE((caddr_t)stp, M_NFSDSTATE);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Do basic access checking.
|
|
*/
|
|
if (!nd->nd_repstat && vnode_vtype(vp) != VREG) {
|
|
if (vnode_vtype(vp) == VDIR)
|
|
nd->nd_repstat = NFSERR_ISDIR;
|
|
else if (vnode_vtype(vp) == VLNK)
|
|
nd->nd_repstat = NFSERR_SYMLINK;
|
|
else
|
|
nd->nd_repstat = NFSERR_INVAL;
|
|
}
|
|
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->nd_cred, p, 1);
|
|
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, p);
|
|
if (stp)
|
|
FREE((caddr_t)stp, M_NFSDSTATE);
|
|
if (!nd->nd_repstat && dirp)
|
|
nd->nd_repstat = nfsvno_getattr(dirp, &diraft, nd->nd_cred, p,
|
|
0);
|
|
if (!nd->nd_repstat) {
|
|
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
|
|
*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
|
|
return (0);
|
|
nfsmout:
|
|
vrele(dp);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
acl_free(aclp);
|
|
#endif
|
|
if (stp)
|
|
FREE((caddr_t)stp, M_NFSDSTATE);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 close service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_close(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, NFSPROC_T *p, __unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsstate st, *stp = &st;
|
|
int error = 0;
|
|
nfsv4stateid_t stateid;
|
|
nfsquad_t clientid;
|
|
|
|
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);
|
|
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) {
|
|
if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK! multiple clids\n");
|
|
} else {
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
nd->nd_repstat = nfsrv_openupdate(vp, stp, clientid, &stateid, nd, p);
|
|
vput(vp);
|
|
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);
|
|
}
|
|
return (0);
|
|
nfsmout:
|
|
vput(vp);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 delegpurge service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_delegpurge(struct nfsrv_descript *nd, __unused int isdgram,
|
|
__unused vnode_t vp, __unused NFSPROC_T *p, __unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
int error = 0;
|
|
nfsquad_t clientid;
|
|
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
return (0);
|
|
}
|
|
NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
clientid.lval[0] = *tl++;
|
|
clientid.lval[1] = *tl;
|
|
if (nd->nd_flag & ND_IMPLIEDCLID) {
|
|
if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK! multiple clids\n");
|
|
} else {
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
nd->nd_repstat = nfsrv_delegupdate(clientid, NULL, NULL,
|
|
NFSV4OP_DELEGPURGE, nd->nd_cred, p);
|
|
nfsmout:
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 delegreturn service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_delegreturn(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, NFSPROC_T *p, __unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
int error = 0;
|
|
nfsv4stateid_t stateid;
|
|
nfsquad_t clientid;
|
|
|
|
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) {
|
|
if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK! multiple clids\n");
|
|
} else {
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
nd->nd_repstat = nfsrv_delegupdate(clientid, &stateid, vp,
|
|
NFSV4OP_DELEGRETURN, nd->nd_cred, p);
|
|
nfsmout:
|
|
vput(vp);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 get file handle service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_getfh(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, NFSPROC_T *p, __unused struct nfsexstuff *exp)
|
|
{
|
|
fhandle_t fh;
|
|
|
|
nd->nd_repstat = nfsvno_getfh(vp, &fh, p);
|
|
vput(vp);
|
|
if (!nd->nd_repstat)
|
|
(void) nfsm_fhtom(nd, (u_int8_t *)&fh, 0, 0);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 open confirm service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_openconfirm(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, NFSPROC_T *p, __unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsstate st, *stp = &st;
|
|
int error = 0;
|
|
nfsv4stateid_t stateid;
|
|
nfsquad_t clientid;
|
|
|
|
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) {
|
|
if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK! multiple clids\n");
|
|
} else {
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
nd->nd_repstat = nfsrv_openupdate(vp, stp, clientid, &stateid, nd, p);
|
|
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);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 open downgrade service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_opendowngrade(struct nfsrv_descript *nd, __unused int isdgram,
|
|
vnode_t vp, NFSPROC_T *p, __unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
int i;
|
|
struct nfsstate st, *stp = &st;
|
|
int error = 0;
|
|
nfsv4stateid_t stateid;
|
|
nfsquad_t clientid;
|
|
|
|
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);
|
|
stp->ls_seq = fxdr_unsigned(u_int32_t, *tl++);
|
|
i = fxdr_unsigned(int, *tl++);
|
|
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_BADXDR;
|
|
};
|
|
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_BADXDR;
|
|
};
|
|
|
|
clientid.lval[0] = stp->ls_stateid.other[0];
|
|
clientid.lval[1] = stp->ls_stateid.other[1];
|
|
if (nd->nd_flag & ND_IMPLIEDCLID) {
|
|
if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK! multiple clids\n");
|
|
} else {
|
|
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);
|
|
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);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 renew lease service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_renew(struct nfsrv_descript *nd, __unused int isdgram,
|
|
__unused vnode_t vp, NFSPROC_T *p, __unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
int error = 0;
|
|
nfsquad_t clientid;
|
|
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
return (0);
|
|
}
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_HYPER);
|
|
clientid.lval[0] = *tl++;
|
|
clientid.lval[1] = *tl;
|
|
if (nd->nd_flag & ND_IMPLIEDCLID) {
|
|
if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK! multiple clids\n");
|
|
} else {
|
|
nd->nd_flag |= ND_IMPLIEDCLID;
|
|
nd->nd_clientid.qval = clientid.qval;
|
|
}
|
|
nd->nd_repstat = nfsrv_getclient(clientid, (CLOPS_RENEWOP|CLOPS_RENEW),
|
|
NULL, (nfsquad_t)((u_quad_t)0), nd, p);
|
|
nfsmout:
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 security info service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_secinfo(struct nfsrv_descript *nd, int isdgram,
|
|
vnode_t dp, NFSPROC_T *p, 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, savflag, i;
|
|
char *bufp;
|
|
u_long *hashp;
|
|
|
|
/*
|
|
* 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);
|
|
return (error);
|
|
}
|
|
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)
|
|
return (0);
|
|
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, p);
|
|
if (vp)
|
|
vput(vp);
|
|
}
|
|
nd->nd_flag = savflag;
|
|
if (nd->nd_repstat)
|
|
return (0);
|
|
|
|
/*
|
|
* 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);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 set client id service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_setclientid(struct nfsrv_descript *nd, __unused int isdgram,
|
|
__unused vnode_t vp, NFSPROC_T *p, __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;
|
|
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
return (0);
|
|
}
|
|
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;
|
|
return (error);
|
|
}
|
|
idlen = i;
|
|
if (nd->nd_flag & ND_GSS)
|
|
i += nd->nd_princlen;
|
|
MALLOC(clp, struct nfsclient *, sizeof (struct nfsclient) + i,
|
|
M_NFSDCLIENT, M_WAITOK);
|
|
NFSBZERO((caddr_t)clp, sizeof (struct nfsclient) + i);
|
|
NFSINITSOCKMUTEX(&clp->lc_req.nr_mtx);
|
|
NFSSOCKADDRALLOC(clp->lc_req.nr_nam);
|
|
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) {
|
|
NFSSOCKADDRFREE(clp->lc_req.nr_nam);
|
|
NFSFREEMUTEX(&clp->lc_req.nr_mtx);
|
|
free((caddr_t)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];
|
|
}
|
|
return (0);
|
|
nfsmout:
|
|
if (clp) {
|
|
NFSSOCKADDRFREE(clp->lc_req.nr_nam);
|
|
NFSFREEMUTEX(&clp->lc_req.nr_mtx);
|
|
free((caddr_t)clp, M_NFSDCLIENT);
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 set client id confirm service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_setclientidcfrm(struct nfsrv_descript *nd,
|
|
__unused int isdgram, __unused vnode_t vp, NFSPROC_T *p,
|
|
__unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
int error = 0;
|
|
nfsquad_t clientid, confirm;
|
|
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
return (0);
|
|
}
|
|
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, confirm, nd, p);
|
|
nfsmout:
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 verify service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_verify(struct nfsrv_descript *nd, int isdgram,
|
|
vnode_t vp, NFSPROC_T *p, __unused struct nfsexstuff *exp)
|
|
{
|
|
int error = 0, ret, fhsize = NFSX_MYFH;
|
|
struct nfsvattr nva;
|
|
struct statfs sf;
|
|
struct nfsfsinfo fs;
|
|
fhandle_t fh;
|
|
|
|
nd->nd_repstat = nfsvno_getattr(vp, &nva, nd->nd_cred, p, 1);
|
|
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);
|
|
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 NFSPROC_T *p, __unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
int error = 0, createdir;
|
|
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
createdir = fxdr_unsigned(int, *tl);
|
|
nd->nd_repstat = NFSERR_NOTSUPP;
|
|
nfsmout:
|
|
vrele(dp);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfsv4 release lock owner service
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrvd_releaselckown(struct nfsrv_descript *nd, __unused int isdgram,
|
|
__unused vnode_t vp, NFSPROC_T *p, __unused struct nfsexstuff *exp)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsstate *stp = NULL;
|
|
int error = 0, len;
|
|
nfsquad_t clientid;
|
|
|
|
if (nfs_rootfhset == 0 || nfsd_checkrootexp(nd) != 0) {
|
|
nd->nd_repstat = NFSERR_WRONGSEC;
|
|
return (0);
|
|
}
|
|
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;
|
|
return (0);
|
|
}
|
|
MALLOC(stp, struct nfsstate *, 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) {
|
|
if (nd->nd_clientid.qval != clientid.qval)
|
|
printf("EEK! multiple clids\n");
|
|
} else {
|
|
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((caddr_t)stp, M_NFSDSTATE);
|
|
return (0);
|
|
nfsmout:
|
|
if (stp)
|
|
free((caddr_t)stp, M_NFSDSTATE);
|
|
return (error);
|
|
}
|