93a15e2054
experimental NFSv4 client might try and use it as an IPv6 address, breaking callbacks. The fix simply initializes the isinet6 variable for this case. Approved by: re (kensmith), kib (mentor)
4173 lines
120 KiB
C
4173 lines
120 KiB
C
/*-
|
|
* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Rick Macklem at The University of Guelph.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
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* are met:
|
|
* 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
|
|
* without specific prior written permission.
|
|
*
|
|
* 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
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* 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
|
|
* 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>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
/*
|
|
* Rpc op calls, generally called from the vnode op calls or through the
|
|
* buffer cache, for NFS v2, 3 and 4.
|
|
* These do not normally make any changes to vnode arguments or use
|
|
* structures that might change between the VFS variants. The returned
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|
* arguments are all at the end, after the NFSPROC_T *p one.
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|
*/
|
|
|
|
#ifndef APPLEKEXT
|
|
#include <fs/nfs/nfsport.h>
|
|
|
|
/*
|
|
* Global variables
|
|
*/
|
|
extern int nfs_numnfscbd;
|
|
extern struct timeval nfsboottime;
|
|
extern u_int32_t newnfs_false, newnfs_true;
|
|
extern nfstype nfsv34_type[9];
|
|
extern int nfsrv_useacl;
|
|
extern char nfsv4_callbackaddr[INET6_ADDRSTRLEN];
|
|
NFSCLSTATEMUTEX;
|
|
int nfstest_outofseq = 0;
|
|
int nfscl_assumeposixlocks = 1;
|
|
int nfscl_enablecallb = 0;
|
|
short nfsv4_cbport = NFSV4_CBPORT;
|
|
int nfstest_openallsetattr = 0;
|
|
#endif /* !APPLEKEXT */
|
|
|
|
#define DIRHDSIZ (sizeof (struct dirent) - (MAXNAMLEN + 1))
|
|
|
|
static int nfsrpc_setattrrpc(vnode_t , struct vattr *, nfsv4stateid_t *,
|
|
struct ucred *, NFSPROC_T *, struct nfsvattr *, int *, void *);
|
|
static int nfsrpc_readrpc(vnode_t , struct uio *, struct ucred *,
|
|
nfsv4stateid_t *, NFSPROC_T *, struct nfsvattr *, int *, void *);
|
|
static int nfsrpc_writerpc(vnode_t , struct uio *, int *, u_char *,
|
|
struct ucred *, nfsv4stateid_t *, NFSPROC_T *, struct nfsvattr *, int *,
|
|
void *);
|
|
static int nfsrpc_createv23(vnode_t , char *, int, struct vattr *,
|
|
nfsquad_t, int, struct ucred *, NFSPROC_T *, struct nfsvattr *,
|
|
struct nfsvattr *, struct nfsfh **, int *, int *, void *);
|
|
static int nfsrpc_createv4(vnode_t , char *, int, struct vattr *,
|
|
nfsquad_t, int, struct nfsclowner *, struct nfscldeleg **, struct ucred *,
|
|
NFSPROC_T *, struct nfsvattr *, struct nfsvattr *, struct nfsfh **, int *,
|
|
int *, void *, int *);
|
|
static int nfsrpc_locku(struct nfsrv_descript *, struct nfsmount *,
|
|
struct nfscllockowner *, u_int64_t, u_int64_t,
|
|
u_int32_t, struct ucred *, NFSPROC_T *, int);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
static int nfsrpc_setaclrpc(vnode_t, struct ucred *, NFSPROC_T *,
|
|
struct acl *, nfsv4stateid_t *, void *);
|
|
#endif
|
|
|
|
/*
|
|
* nfs null call from vfs.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_null(vnode_t vp, struct ucred *cred, NFSPROC_T *p)
|
|
{
|
|
int error;
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
|
|
NFSCL_REQSTART(nd, NFSPROC_NULL, vp);
|
|
error = nfscl_request(nd, vp, p, cred, NULL);
|
|
if (nd->nd_repstat && !error)
|
|
error = nd->nd_repstat;
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs access rpc op.
|
|
* For nfs version 3 and 4, use the access rpc to check accessibility. If file
|
|
* modes are changed on the server, accesses might still fail later.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_access(vnode_t vp, int acmode, struct ucred *cred,
|
|
NFSPROC_T *p, struct nfsvattr *nap, int *attrflagp)
|
|
{
|
|
int error;
|
|
u_int32_t mode, rmode;
|
|
|
|
if (acmode & VREAD)
|
|
mode = NFSACCESS_READ;
|
|
else
|
|
mode = 0;
|
|
if (vnode_vtype(vp) == VDIR) {
|
|
if (acmode & VWRITE)
|
|
mode |= (NFSACCESS_MODIFY | NFSACCESS_EXTEND |
|
|
NFSACCESS_DELETE);
|
|
if (acmode & VEXEC)
|
|
mode |= NFSACCESS_LOOKUP;
|
|
} else {
|
|
if (acmode & VWRITE)
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|
mode |= (NFSACCESS_MODIFY | NFSACCESS_EXTEND);
|
|
if (acmode & VEXEC)
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|
mode |= NFSACCESS_EXECUTE;
|
|
}
|
|
|
|
/*
|
|
* Now, just call nfsrpc_accessrpc() to do the actual RPC.
|
|
*/
|
|
error = nfsrpc_accessrpc(vp, mode, cred, p, nap, attrflagp, &rmode,
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|
NULL);
|
|
|
|
/*
|
|
* The NFS V3 spec does not clarify whether or not
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|
* the returned access bits can be a superset of
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|
* the ones requested, so...
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|
*/
|
|
if (!error && (rmode & mode) != mode)
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|
error = EACCES;
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|
return (error);
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|
}
|
|
|
|
/*
|
|
* The actual rpc, separated out for Darwin.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_accessrpc(vnode_t vp, u_int32_t mode, struct ucred *cred,
|
|
NFSPROC_T *p, struct nfsvattr *nap, int *attrflagp, u_int32_t *rmodep,
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|
void *stuff)
|
|
{
|
|
u_int32_t *tl;
|
|
u_int32_t supported, rmode;
|
|
int error;
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
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|
nfsattrbit_t attrbits;
|
|
|
|
*attrflagp = 0;
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|
supported = mode;
|
|
NFSCL_REQSTART(nd, NFSPROC_ACCESS, vp);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
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|
*tl = txdr_unsigned(mode);
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|
if (nd->nd_flag & ND_NFSV4) {
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|
/*
|
|
* And do a Getattr op.
|
|
*/
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|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
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|
*tl = txdr_unsigned(NFSV4OP_GETATTR);
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|
NFSGETATTR_ATTRBIT(&attrbits);
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|
(void) nfsrv_putattrbit(nd, &attrbits);
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|
}
|
|
error = nfscl_request(nd, vp, p, cred, stuff);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_flag & ND_NFSV3) {
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|
error = nfscl_postop_attr(nd, nap, attrflagp, stuff);
|
|
if (error)
|
|
goto nfsmout;
|
|
}
|
|
if (!nd->nd_repstat) {
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|
if (nd->nd_flag & ND_NFSV4) {
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|
NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
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|
supported = fxdr_unsigned(u_int32_t, *tl++);
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|
} else {
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|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
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|
}
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|
rmode = fxdr_unsigned(u_int32_t, *tl);
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|
if (nd->nd_flag & ND_NFSV4)
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|
error = nfscl_postop_attr(nd, nap, attrflagp, stuff);
|
|
|
|
/*
|
|
* It's not obvious what should be done about
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|
* unsupported access modes. For now, be paranoid
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|
* and clear the unsupported ones.
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|
*/
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|
rmode &= supported;
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|
*rmodep = rmode;
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|
} else
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|
error = nd->nd_repstat;
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|
nfsmout:
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|
mbuf_freem(nd->nd_mrep);
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|
return (error);
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|
}
|
|
|
|
/*
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|
* nfs open rpc
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|
*/
|
|
APPLESTATIC int
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|
nfsrpc_open(vnode_t vp, int amode, struct ucred *cred, NFSPROC_T *p)
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|
{
|
|
struct nfsclopen *op;
|
|
struct nfscldeleg *dp;
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|
struct nfsfh *nfhp;
|
|
struct nfsnode *np = VTONFS(vp);
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|
struct nfsmount *nmp = VFSTONFS(vnode_mount(vp));
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|
u_int32_t mode, clidrev;
|
|
int ret, newone, error, expireret = 0, retrycnt;
|
|
|
|
/*
|
|
* For NFSv4, Open Ops are only done on Regular Files.
|
|
*/
|
|
if (vnode_vtype(vp) != VREG)
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|
return (0);
|
|
mode = 0;
|
|
if (amode & FREAD)
|
|
mode |= NFSV4OPEN_ACCESSREAD;
|
|
if (amode & FWRITE)
|
|
mode |= NFSV4OPEN_ACCESSWRITE;
|
|
nfhp = np->n_fhp;
|
|
|
|
retrycnt = 0;
|
|
#ifdef notdef
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|
{ char name[100]; int namel;
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|
namel = (np->n_v4->n4_namelen < 100) ? np->n_v4->n4_namelen : 99;
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|
bcopy(NFS4NODENAME(np->n_v4), name, namel);
|
|
name[namel] = '\0';
|
|
printf("rpcopen p=0x%x name=%s",p->p_pid,name);
|
|
if (nfhp->nfh_len > 0) printf(" fh=0x%x\n",nfhp->nfh_fh[12]);
|
|
else printf(" fhl=0\n");
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|
}
|
|
#endif
|
|
do {
|
|
dp = NULL;
|
|
error = nfscl_open(vp, nfhp->nfh_fh, nfhp->nfh_len, mode, 1,
|
|
cred, p, NULL, &op, &newone, &ret, 1);
|
|
if (error) {
|
|
return (error);
|
|
}
|
|
if (nmp->nm_clp != NULL)
|
|
clidrev = nmp->nm_clp->nfsc_clientidrev;
|
|
else
|
|
clidrev = 0;
|
|
if (ret == NFSCLOPEN_DOOPEN) {
|
|
if (np->n_v4 != NULL) {
|
|
error = nfsrpc_openrpc(nmp, vp, np->n_v4->n4_data,
|
|
np->n_v4->n4_fhlen, np->n_fhp->nfh_fh,
|
|
np->n_fhp->nfh_len, mode, op,
|
|
NFS4NODENAME(np->n_v4), np->n_v4->n4_namelen, &dp,
|
|
0, 0x0, cred, p, 0, 0);
|
|
if (dp != NULL) {
|
|
#ifdef APPLE
|
|
OSBitAndAtomic((int32_t)~NDELEGMOD, (UInt32 *)&np->n_flag);
|
|
#else
|
|
NFSLOCKNODE(np);
|
|
np->n_flag &= ~NDELEGMOD;
|
|
NFSUNLOCKNODE(np);
|
|
#endif
|
|
(void) nfscl_deleg(nmp->nm_mountp,
|
|
op->nfso_own->nfsow_clp,
|
|
nfhp->nfh_fh, nfhp->nfh_len, cred, p, &dp);
|
|
}
|
|
} else {
|
|
error = EIO;
|
|
}
|
|
newnfs_copyincred(cred, &op->nfso_cred);
|
|
}
|
|
|
|
/*
|
|
* nfso_opencnt is the count of how many VOP_OPEN()s have
|
|
* been done on this Open successfully and a VOP_CLOSE()
|
|
* is expected for each of these.
|
|
* If error is non-zero, don't increment it, since the Open
|
|
* hasn't succeeded yet.
|
|
*/
|
|
if (!error)
|
|
op->nfso_opencnt++;
|
|
nfscl_openrelease(op, error, newone);
|
|
if (error == NFSERR_GRACE || error == NFSERR_STALECLIENTID ||
|
|
error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY) {
|
|
(void) nfs_catnap(PZERO, "nfs_open");
|
|
} else if ((error == NFSERR_EXPIRED || error == NFSERR_BADSTATEID)
|
|
&& clidrev != 0) {
|
|
expireret = nfscl_hasexpired(nmp->nm_clp, clidrev, p);
|
|
retrycnt++;
|
|
}
|
|
} while (error == NFSERR_GRACE || error == NFSERR_STALECLIENTID ||
|
|
error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
|
|
((error == NFSERR_EXPIRED || error == NFSERR_BADSTATEID) &&
|
|
expireret == 0 && clidrev != 0 && retrycnt < 4));
|
|
if (error && retrycnt >= 4)
|
|
error = EIO;
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* the actual open rpc
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_openrpc(struct nfsmount *nmp, vnode_t vp, u_int8_t *nfhp, int fhlen,
|
|
u_int8_t *newfhp, int newfhlen, u_int32_t mode, struct nfsclopen *op,
|
|
u_int8_t *name, int namelen, struct nfscldeleg **dpp,
|
|
int reclaim, u_int32_t delegtype, struct ucred *cred, NFSPROC_T *p,
|
|
int syscred, int recursed)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
struct nfscldeleg *dp, *ndp = NULL;
|
|
struct nfsvattr nfsva;
|
|
u_int32_t rflags, deleg;
|
|
nfsattrbit_t attrbits;
|
|
int error, ret, acesize, limitby;
|
|
|
|
dp = *dpp;
|
|
*dpp = NULL;
|
|
nfscl_reqstart(nd, NFSPROC_OPEN, nmp, nfhp, fhlen, NULL);
|
|
NFSM_BUILD(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(op->nfso_own->nfsow_seqid);
|
|
*tl++ = txdr_unsigned(mode & NFSV4OPEN_ACCESSBOTH);
|
|
*tl++ = txdr_unsigned((mode >> NFSLCK_SHIFT) & NFSV4OPEN_DENYBOTH);
|
|
*tl++ = op->nfso_own->nfsow_clp->nfsc_clientid.lval[0];
|
|
*tl = op->nfso_own->nfsow_clp->nfsc_clientid.lval[1];
|
|
(void) nfsm_strtom(nd, op->nfso_own->nfsow_owner, NFSV4CL_LOCKNAMELEN);
|
|
NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(NFSV4OPEN_NOCREATE);
|
|
if (reclaim) {
|
|
*tl = txdr_unsigned(NFSV4OPEN_CLAIMPREVIOUS);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(delegtype);
|
|
} else {
|
|
if (dp != NULL) {
|
|
*tl = txdr_unsigned(NFSV4OPEN_CLAIMDELEGATECUR);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID);
|
|
*tl++ = dp->nfsdl_stateid.seqid;
|
|
*tl++ = dp->nfsdl_stateid.other[0];
|
|
*tl++ = dp->nfsdl_stateid.other[1];
|
|
*tl = dp->nfsdl_stateid.other[2];
|
|
} else {
|
|
*tl = txdr_unsigned(NFSV4OPEN_CLAIMNULL);
|
|
}
|
|
(void) nfsm_strtom(nd, name, namelen);
|
|
}
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OP_GETATTR);
|
|
NFSZERO_ATTRBIT(&attrbits);
|
|
NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_CHANGE);
|
|
NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_TIMEMODIFY);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
if (syscred)
|
|
nd->nd_flag |= ND_USEGSSNAME;
|
|
error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, vp, p, cred,
|
|
NFS_PROG, NFS_VER4, NULL, 1, NULL);
|
|
if (error)
|
|
return (error);
|
|
NFSCL_INCRSEQID(op->nfso_own->nfsow_seqid, nd);
|
|
if (!nd->nd_repstat) {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID +
|
|
6 * NFSX_UNSIGNED);
|
|
op->nfso_stateid.seqid = *tl++;
|
|
op->nfso_stateid.other[0] = *tl++;
|
|
op->nfso_stateid.other[1] = *tl++;
|
|
op->nfso_stateid.other[2] = *tl;
|
|
rflags = fxdr_unsigned(u_int32_t, *(tl + 6));
|
|
error = nfsrv_getattrbits(nd, &attrbits, NULL, NULL);
|
|
if (error)
|
|
goto nfsmout;
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
deleg = fxdr_unsigned(u_int32_t, *tl);
|
|
if (deleg == NFSV4OPEN_DELEGATEREAD ||
|
|
deleg == NFSV4OPEN_DELEGATEWRITE) {
|
|
if (!(op->nfso_own->nfsow_clp->nfsc_flags &
|
|
NFSCLFLAGS_FIRSTDELEG))
|
|
op->nfso_own->nfsow_clp->nfsc_flags |=
|
|
(NFSCLFLAGS_FIRSTDELEG | NFSCLFLAGS_GOTDELEG);
|
|
MALLOC(ndp, struct nfscldeleg *,
|
|
sizeof (struct nfscldeleg) + newfhlen,
|
|
M_NFSCLDELEG, M_WAITOK);
|
|
LIST_INIT(&ndp->nfsdl_owner);
|
|
LIST_INIT(&ndp->nfsdl_lock);
|
|
ndp->nfsdl_clp = op->nfso_own->nfsow_clp;
|
|
ndp->nfsdl_fhlen = newfhlen;
|
|
NFSBCOPY(newfhp, ndp->nfsdl_fh, newfhlen);
|
|
newnfs_copyincred(cred, &ndp->nfsdl_cred);
|
|
nfscl_lockinit(&ndp->nfsdl_rwlock);
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID +
|
|
NFSX_UNSIGNED);
|
|
ndp->nfsdl_stateid.seqid = *tl++;
|
|
ndp->nfsdl_stateid.other[0] = *tl++;
|
|
ndp->nfsdl_stateid.other[1] = *tl++;
|
|
ndp->nfsdl_stateid.other[2] = *tl++;
|
|
ret = fxdr_unsigned(int, *tl);
|
|
if (deleg == NFSV4OPEN_DELEGATEWRITE) {
|
|
ndp->nfsdl_flags = NFSCLDL_WRITE;
|
|
/*
|
|
* Indicates how much the file can grow.
|
|
*/
|
|
NFSM_DISSECT(tl, u_int32_t *,
|
|
3 * NFSX_UNSIGNED);
|
|
limitby = fxdr_unsigned(int, *tl++);
|
|
switch (limitby) {
|
|
case NFSV4OPEN_LIMITSIZE:
|
|
ndp->nfsdl_sizelimit = fxdr_hyper(tl);
|
|
break;
|
|
case NFSV4OPEN_LIMITBLOCKS:
|
|
ndp->nfsdl_sizelimit =
|
|
fxdr_unsigned(u_int64_t, *tl++);
|
|
ndp->nfsdl_sizelimit *=
|
|
fxdr_unsigned(u_int64_t, *tl);
|
|
break;
|
|
default:
|
|
error = NFSERR_BADXDR;
|
|
goto nfsmout;
|
|
};
|
|
} else {
|
|
ndp->nfsdl_flags = NFSCLDL_READ;
|
|
}
|
|
if (ret)
|
|
ndp->nfsdl_flags |= NFSCLDL_RECALL;
|
|
error = nfsrv_dissectace(nd, &ndp->nfsdl_ace, &ret,
|
|
&acesize, p);
|
|
if (error)
|
|
goto nfsmout;
|
|
} else if (deleg != NFSV4OPEN_DELEGATENONE) {
|
|
error = NFSERR_BADXDR;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
error = nfsv4_loadattr(nd, NULL, &nfsva, NULL,
|
|
NULL, 0, NULL, NULL, NULL, NULL, NULL, 0,
|
|
NULL, NULL, NULL, p, cred);
|
|
if (error)
|
|
goto nfsmout;
|
|
if (ndp != NULL) {
|
|
ndp->nfsdl_change = nfsva.na_filerev;
|
|
ndp->nfsdl_modtime = nfsva.na_mtime;
|
|
ndp->nfsdl_flags |= NFSCLDL_MODTIMESET;
|
|
}
|
|
if (!reclaim && (rflags & NFSV4OPEN_RESULTCONFIRM)) {
|
|
do {
|
|
ret = nfsrpc_openconfirm(vp, newfhp, newfhlen, op,
|
|
cred, p);
|
|
if (ret == NFSERR_DELAY)
|
|
(void) nfs_catnap(PZERO, "nfs_open");
|
|
} while (ret == NFSERR_DELAY);
|
|
error = ret;
|
|
}
|
|
if ((rflags & NFSV4OPEN_LOCKTYPEPOSIX) ||
|
|
nfscl_assumeposixlocks)
|
|
op->nfso_posixlock = 1;
|
|
else
|
|
op->nfso_posixlock = 0;
|
|
|
|
/*
|
|
* If the server is handing out delegations, but we didn't
|
|
* get one because an OpenConfirm was required, try the
|
|
* Open again, to get a delegation. This is a harmless no-op,
|
|
* from a server's point of view.
|
|
*/
|
|
if (!reclaim && (rflags & NFSV4OPEN_RESULTCONFIRM) &&
|
|
(op->nfso_own->nfsow_clp->nfsc_flags & NFSCLFLAGS_GOTDELEG)
|
|
&& !error && dp == NULL && ndp == NULL && !recursed) {
|
|
do {
|
|
ret = nfsrpc_openrpc(nmp, vp, nfhp, fhlen, newfhp,
|
|
newfhlen, mode, op, name, namelen, &ndp, 0, 0x0,
|
|
cred, p, syscred, 1);
|
|
if (ret == NFSERR_DELAY)
|
|
(void) nfs_catnap(PZERO, "nfs_open2");
|
|
} while (ret == NFSERR_DELAY);
|
|
if (ret) {
|
|
if (ndp != NULL)
|
|
FREE((caddr_t)ndp, M_NFSCLDELEG);
|
|
if (ret == NFSERR_STALECLIENTID ||
|
|
ret == NFSERR_STALEDONTRECOVER)
|
|
error = ret;
|
|
}
|
|
}
|
|
}
|
|
if (nd->nd_repstat != 0 && error == 0)
|
|
error = nd->nd_repstat;
|
|
if (error == NFSERR_STALECLIENTID)
|
|
nfscl_initiate_recovery(op->nfso_own->nfsow_clp);
|
|
nfsmout:
|
|
if (!error)
|
|
*dpp = ndp;
|
|
else if (ndp != NULL)
|
|
FREE((caddr_t)ndp, M_NFSCLDELEG);
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* open downgrade rpc
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_opendowngrade(vnode_t vp, u_int32_t mode, struct nfsclopen *op,
|
|
struct ucred *cred, NFSPROC_T *p)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
int error;
|
|
|
|
NFSCL_REQSTART(nd, NFSPROC_OPENDOWNGRADE, vp);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID + 3 * NFSX_UNSIGNED);
|
|
*tl++ = op->nfso_stateid.seqid;
|
|
*tl++ = op->nfso_stateid.other[0];
|
|
*tl++ = op->nfso_stateid.other[1];
|
|
*tl++ = op->nfso_stateid.other[2];
|
|
*tl++ = txdr_unsigned(op->nfso_own->nfsow_seqid);
|
|
*tl++ = txdr_unsigned(mode & NFSV4OPEN_ACCESSBOTH);
|
|
*tl = txdr_unsigned((mode >> NFSLCK_SHIFT) & NFSV4OPEN_DENYBOTH);
|
|
error = nfscl_request(nd, vp, p, cred, NULL);
|
|
if (error)
|
|
return (error);
|
|
NFSCL_INCRSEQID(op->nfso_own->nfsow_seqid, nd);
|
|
if (!nd->nd_repstat) {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID);
|
|
op->nfso_stateid.seqid = *tl++;
|
|
op->nfso_stateid.other[0] = *tl++;
|
|
op->nfso_stateid.other[1] = *tl++;
|
|
op->nfso_stateid.other[2] = *tl;
|
|
}
|
|
if (nd->nd_repstat && error == 0)
|
|
error = nd->nd_repstat;
|
|
if (error == NFSERR_STALESTATEID)
|
|
nfscl_initiate_recovery(op->nfso_own->nfsow_clp);
|
|
nfsmout:
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* V4 Close operation.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_close(vnode_t vp, int doclose, NFSPROC_T *p)
|
|
{
|
|
struct nfsclclient *clp;
|
|
int error;
|
|
|
|
if (vnode_vtype(vp) != VREG)
|
|
return (0);
|
|
if (doclose)
|
|
error = nfscl_doclose(vp, &clp, p);
|
|
else
|
|
error = nfscl_getclose(vp, &clp);
|
|
if (error)
|
|
return (error);
|
|
|
|
nfscl_clientrelease(clp);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Close the open.
|
|
*/
|
|
APPLESTATIC void
|
|
nfsrpc_doclose(struct nfsmount *nmp, struct nfsclopen *op, NFSPROC_T *p)
|
|
{
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
struct nfscllockowner *lp;
|
|
struct nfscllock *lop, *nlop;
|
|
struct ucred *tcred;
|
|
u_int64_t off = 0, len = 0;
|
|
u_int32_t type = NFSV4LOCKT_READ;
|
|
int error, do_unlock, trycnt;
|
|
|
|
tcred = newnfs_getcred();
|
|
newnfs_copycred(&op->nfso_cred, tcred);
|
|
/*
|
|
* (Theoretically this could be done in the same
|
|
* compound as the close, but having multiple
|
|
* sequenced Ops in the same compound might be
|
|
* too scary for some servers.)
|
|
*/
|
|
if (op->nfso_posixlock) {
|
|
off = 0;
|
|
len = NFS64BITSSET;
|
|
type = NFSV4LOCKT_READ;
|
|
}
|
|
|
|
/*
|
|
* Since this function is only called from VOP_INACTIVE(), no
|
|
* other thread will be manipulating this Open. As such, the
|
|
* lock lists are not being changed by other threads, so it should
|
|
* be safe to do this without locking.
|
|
*/
|
|
LIST_FOREACH(lp, &op->nfso_lock, nfsl_list) {
|
|
do_unlock = 1;
|
|
LIST_FOREACH_SAFE(lop, &lp->nfsl_lock, nfslo_list, nlop) {
|
|
if (op->nfso_posixlock == 0) {
|
|
off = lop->nfslo_first;
|
|
len = lop->nfslo_end - lop->nfslo_first;
|
|
if (lop->nfslo_type == F_WRLCK)
|
|
type = NFSV4LOCKT_WRITE;
|
|
else
|
|
type = NFSV4LOCKT_READ;
|
|
}
|
|
if (do_unlock) {
|
|
trycnt = 0;
|
|
do {
|
|
error = nfsrpc_locku(nd, nmp, lp, off,
|
|
len, type, tcred, p, 0);
|
|
if ((nd->nd_repstat == NFSERR_GRACE ||
|
|
nd->nd_repstat == NFSERR_DELAY) &&
|
|
error == 0)
|
|
(void) nfs_catnap(PZERO,
|
|
"nfs_close");
|
|
} while ((nd->nd_repstat == NFSERR_GRACE ||
|
|
nd->nd_repstat == NFSERR_DELAY) &&
|
|
error == 0 && trycnt++ < 5);
|
|
if (op->nfso_posixlock)
|
|
do_unlock = 0;
|
|
}
|
|
nfscl_freelock(lop, 0);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* There could be other Opens for different files on the same
|
|
* OpenOwner, so locking is required.
|
|
*/
|
|
NFSLOCKCLSTATE();
|
|
nfscl_lockexcl(&op->nfso_own->nfsow_rwlock, NFSCLSTATEMUTEXPTR);
|
|
NFSUNLOCKCLSTATE();
|
|
do {
|
|
error = nfscl_tryclose(op, tcred, nmp, p);
|
|
if (error == NFSERR_GRACE)
|
|
(void) nfs_catnap(PZERO, "nfs_close");
|
|
} while (error == NFSERR_GRACE);
|
|
NFSLOCKCLSTATE();
|
|
nfscl_lockunlock(&op->nfso_own->nfsow_rwlock);
|
|
|
|
/*
|
|
* Move the lockowner to nfsc_defunctlockowner,
|
|
* so the Renew thread will do the ReleaseLockOwner
|
|
* Op on it later. There might still be other
|
|
* opens using the same lockowner name.
|
|
*/
|
|
lp = LIST_FIRST(&op->nfso_lock);
|
|
if (lp != NULL) {
|
|
while (LIST_NEXT(lp, nfsl_list) != NULL)
|
|
lp = LIST_NEXT(lp, nfsl_list);
|
|
LIST_PREPEND(&nmp->nm_clp->nfsc_defunctlockowner,
|
|
&op->nfso_lock, lp, nfsl_list);
|
|
LIST_INIT(&op->nfso_lock);
|
|
}
|
|
nfscl_freeopen(op, 0);
|
|
NFSUNLOCKCLSTATE();
|
|
NFSFREECRED(tcred);
|
|
}
|
|
|
|
/*
|
|
* The actual Close RPC.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_closerpc(struct nfsrv_descript *nd, struct nfsmount *nmp,
|
|
struct nfsclopen *op, struct ucred *cred, NFSPROC_T *p,
|
|
int syscred)
|
|
{
|
|
u_int32_t *tl;
|
|
int error;
|
|
|
|
nfscl_reqstart(nd, NFSPROC_CLOSE, nmp, op->nfso_fh,
|
|
op->nfso_fhlen, NULL);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED + NFSX_STATEID);
|
|
*tl++ = txdr_unsigned(op->nfso_own->nfsow_seqid);
|
|
*tl++ = op->nfso_stateid.seqid;
|
|
*tl++ = op->nfso_stateid.other[0];
|
|
*tl++ = op->nfso_stateid.other[1];
|
|
*tl = op->nfso_stateid.other[2];
|
|
if (syscred)
|
|
nd->nd_flag |= ND_USEGSSNAME;
|
|
error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
|
|
NFS_PROG, NFS_VER4, NULL, 1, NULL);
|
|
if (error)
|
|
return (error);
|
|
NFSCL_INCRSEQID(op->nfso_own->nfsow_seqid, nd);
|
|
if (nd->nd_repstat == 0)
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID);
|
|
error = nd->nd_repstat;
|
|
if (error == NFSERR_STALESTATEID)
|
|
nfscl_initiate_recovery(op->nfso_own->nfsow_clp);
|
|
nfsmout:
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* V4 Open Confirm RPC.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_openconfirm(vnode_t vp, u_int8_t *nfhp, int fhlen,
|
|
struct nfsclopen *op, struct ucred *cred, NFSPROC_T *p)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
int error;
|
|
|
|
nfscl_reqstart(nd, NFSPROC_OPENCONFIRM, VFSTONFS(vnode_mount(vp)),
|
|
nfhp, fhlen, NULL);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED + NFSX_STATEID);
|
|
*tl++ = op->nfso_stateid.seqid;
|
|
*tl++ = op->nfso_stateid.other[0];
|
|
*tl++ = op->nfso_stateid.other[1];
|
|
*tl++ = op->nfso_stateid.other[2];
|
|
*tl = txdr_unsigned(op->nfso_own->nfsow_seqid);
|
|
error = nfscl_request(nd, vp, p, cred, NULL);
|
|
if (error)
|
|
return (error);
|
|
NFSCL_INCRSEQID(op->nfso_own->nfsow_seqid, nd);
|
|
if (!nd->nd_repstat) {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID);
|
|
op->nfso_stateid.seqid = *tl++;
|
|
op->nfso_stateid.other[0] = *tl++;
|
|
op->nfso_stateid.other[1] = *tl++;
|
|
op->nfso_stateid.other[2] = *tl;
|
|
}
|
|
error = nd->nd_repstat;
|
|
if (error == NFSERR_STALESTATEID)
|
|
nfscl_initiate_recovery(op->nfso_own->nfsow_clp);
|
|
nfsmout:
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Do the setclientid and setclientid confirm RPCs. Called from nfs_statfs()
|
|
* when a mount has just occurred and when the server replies NFSERR_EXPIRED.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_setclient(struct nfsmount *nmp, struct nfsclclient *clp,
|
|
struct ucred *cred, NFSPROC_T *p)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsrv_descript nfsd;
|
|
struct nfsrv_descript *nd = &nfsd;
|
|
nfsattrbit_t attrbits;
|
|
u_int8_t *cp = NULL, *cp2, addr[INET6_ADDRSTRLEN + 9];
|
|
u_short port;
|
|
int error, isinet6 = 0, callblen;
|
|
nfsquad_t confirm;
|
|
u_int32_t lease;
|
|
static u_int32_t rev = 0;
|
|
|
|
if (nfsboottime.tv_sec == 0)
|
|
NFSSETBOOTTIME(nfsboottime);
|
|
nfscl_reqstart(nd, NFSPROC_SETCLIENTID, nmp, NULL, 0, NULL);
|
|
NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(nfsboottime.tv_sec);
|
|
*tl = txdr_unsigned(rev++);
|
|
(void) nfsm_strtom(nd, clp->nfsc_id, clp->nfsc_idlen);
|
|
|
|
/*
|
|
* set up the callback address
|
|
*/
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFS_CALLBCKPROG);
|
|
callblen = strlen(nfsv4_callbackaddr);
|
|
if (callblen == 0)
|
|
cp = nfscl_getmyip(nmp, &isinet6);
|
|
if (nfscl_enablecallb && nfs_numnfscbd > 0 &&
|
|
(callblen > 0 || cp != NULL)) {
|
|
port = htons(nfsv4_cbport);
|
|
cp2 = (u_int8_t *)&port;
|
|
#ifdef INET6
|
|
if ((callblen > 0 &&
|
|
strchr(nfsv4_callbackaddr, ':')) || isinet6) {
|
|
char ip6buf[INET6_ADDRSTRLEN], *ip6add;
|
|
|
|
(void) nfsm_strtom(nd, "tcp6", 4);
|
|
if (callblen == 0) {
|
|
ip6_sprintf(ip6buf, (struct in6_addr *)cp);
|
|
ip6add = ip6buf;
|
|
} else {
|
|
ip6add = nfsv4_callbackaddr;
|
|
}
|
|
snprintf(addr, INET6_ADDRSTRLEN + 9, "%s.%d.%d",
|
|
ip6add, cp2[0], cp2[1]);
|
|
} else
|
|
#endif
|
|
{
|
|
(void) nfsm_strtom(nd, "tcp", 3);
|
|
if (callblen == 0)
|
|
snprintf(addr, INET6_ADDRSTRLEN + 9,
|
|
"%d.%d.%d.%d.%d.%d", cp[0], cp[1],
|
|
cp[2], cp[3], cp2[0], cp2[1]);
|
|
else
|
|
snprintf(addr, INET6_ADDRSTRLEN + 9,
|
|
"%s.%d.%d", nfsv4_callbackaddr,
|
|
cp2[0], cp2[1]);
|
|
}
|
|
(void) nfsm_strtom(nd, addr, strlen(addr));
|
|
} else {
|
|
(void) nfsm_strtom(nd, "tcp", 3);
|
|
(void) nfsm_strtom(nd, "0.0.0.0.0.0", 11);
|
|
}
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(clp->nfsc_cbident);
|
|
nd->nd_flag |= ND_USEGSSNAME;
|
|
error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
|
|
NFS_PROG, NFS_VER4, NULL, 1, NULL);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_repstat == 0) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 4 * NFSX_UNSIGNED);
|
|
clp->nfsc_clientid.lval[0] = *tl++;
|
|
clp->nfsc_clientid.lval[1] = *tl++;
|
|
confirm.lval[0] = *tl++;
|
|
confirm.lval[1] = *tl;
|
|
mbuf_freem(nd->nd_mrep);
|
|
nd->nd_mrep = NULL;
|
|
|
|
/*
|
|
* and confirm it.
|
|
*/
|
|
nfscl_reqstart(nd, NFSPROC_SETCLIENTIDCFRM, nmp, NULL, 0, NULL);
|
|
NFSM_BUILD(tl, u_int32_t *, 4 * NFSX_UNSIGNED);
|
|
*tl++ = clp->nfsc_clientid.lval[0];
|
|
*tl++ = clp->nfsc_clientid.lval[1];
|
|
*tl++ = confirm.lval[0];
|
|
*tl = confirm.lval[1];
|
|
nd->nd_flag |= ND_USEGSSNAME;
|
|
error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p,
|
|
cred, NFS_PROG, NFS_VER4, NULL, 1, NULL);
|
|
if (error)
|
|
return (error);
|
|
mbuf_freem(nd->nd_mrep);
|
|
nd->nd_mrep = NULL;
|
|
if (nd->nd_repstat == 0) {
|
|
nfscl_reqstart(nd, NFSPROC_GETATTR, nmp, nmp->nm_fh,
|
|
nmp->nm_fhsize, NULL);
|
|
NFSZERO_ATTRBIT(&attrbits);
|
|
NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_LEASETIME);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
nd->nd_flag |= ND_USEGSSNAME;
|
|
error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p,
|
|
cred, NFS_PROG, NFS_VER4, NULL, 1, NULL);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_repstat == 0) {
|
|
error = nfsv4_loadattr(nd, NULL, NULL, NULL, NULL, 0, NULL,
|
|
NULL, NULL, NULL, NULL, 0, NULL, &lease, NULL, p, cred);
|
|
if (error)
|
|
goto nfsmout;
|
|
clp->nfsc_renew = NFSCL_RENEW(lease);
|
|
clp->nfsc_expire = NFSD_MONOSEC + clp->nfsc_renew;
|
|
clp->nfsc_clientidrev++;
|
|
if (clp->nfsc_clientidrev == 0)
|
|
clp->nfsc_clientidrev++;
|
|
}
|
|
}
|
|
}
|
|
error = nd->nd_repstat;
|
|
nfsmout:
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs getattr call.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_getattr(vnode_t vp, struct ucred *cred, NFSPROC_T *p,
|
|
struct nfsvattr *nap, void *stuff)
|
|
{
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
int error;
|
|
nfsattrbit_t attrbits;
|
|
|
|
NFSCL_REQSTART(nd, NFSPROC_GETATTR, vp);
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
NFSGETATTR_ATTRBIT(&attrbits);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
}
|
|
error = nfscl_request(nd, vp, p, cred, stuff);
|
|
if (error)
|
|
return (error);
|
|
if (!nd->nd_repstat)
|
|
error = nfsm_loadattr(nd, nap);
|
|
else
|
|
error = nd->nd_repstat;
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs getattr call with non-vnode arguemnts.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_getattrnovp(struct nfsmount *nmp, u_int8_t *fhp, int fhlen, int syscred,
|
|
struct ucred *cred, NFSPROC_T *p, struct nfsvattr *nap, u_int64_t *xidp)
|
|
{
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
int error, vers = NFS_VER2;
|
|
nfsattrbit_t attrbits;
|
|
|
|
nfscl_reqstart(nd, NFSPROC_GETATTR, nmp, fhp, fhlen, NULL);
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
vers = NFS_VER4;
|
|
NFSGETATTR_ATTRBIT(&attrbits);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
} else if (nd->nd_flag & ND_NFSV3) {
|
|
vers = NFS_VER3;
|
|
}
|
|
if (syscred)
|
|
nd->nd_flag |= ND_USEGSSNAME;
|
|
error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
|
|
NFS_PROG, vers, NULL, 1, xidp);
|
|
if (error)
|
|
return (error);
|
|
if (!nd->nd_repstat)
|
|
error = nfsm_loadattr(nd, nap);
|
|
else
|
|
error = nd->nd_repstat;
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Do an nfs setattr operation.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_setattr(vnode_t vp, struct vattr *vap, NFSACL_T *aclp,
|
|
struct ucred *cred, NFSPROC_T *p, struct nfsvattr *rnap, int *attrflagp,
|
|
void *stuff)
|
|
{
|
|
int error, expireret = 0, openerr, retrycnt;
|
|
u_int32_t clidrev = 0, mode;
|
|
struct nfsmount *nmp = VFSTONFS(vnode_mount(vp));
|
|
struct nfsfh *nfhp;
|
|
nfsv4stateid_t stateid;
|
|
void *lckp;
|
|
|
|
if (nmp->nm_clp != NULL)
|
|
clidrev = nmp->nm_clp->nfsc_clientidrev;
|
|
if (vap != NULL && NFSATTRISSET(u_quad_t, vap, va_size))
|
|
mode = NFSV4OPEN_ACCESSWRITE;
|
|
else
|
|
mode = NFSV4OPEN_ACCESSREAD;
|
|
retrycnt = 0;
|
|
do {
|
|
lckp = NULL;
|
|
openerr = 1;
|
|
if (NFSHASNFSV4(nmp)) {
|
|
nfhp = VTONFS(vp)->n_fhp;
|
|
error = nfscl_getstateid(vp, nfhp->nfh_fh,
|
|
nfhp->nfh_len, mode, cred, p, &stateid, &lckp);
|
|
if (error && vnode_vtype(vp) == VREG &&
|
|
(mode == NFSV4OPEN_ACCESSWRITE ||
|
|
nfstest_openallsetattr)) {
|
|
/*
|
|
* No Open stateid, so try and open the file
|
|
* now.
|
|
*/
|
|
if (mode == NFSV4OPEN_ACCESSWRITE)
|
|
openerr = nfsrpc_open(vp, FWRITE, cred,
|
|
p);
|
|
else
|
|
openerr = nfsrpc_open(vp, FREAD, cred,
|
|
p);
|
|
if (!openerr)
|
|
(void) nfscl_getstateid(vp,
|
|
nfhp->nfh_fh, nfhp->nfh_len,
|
|
mode, cred, p, &stateid, &lckp);
|
|
}
|
|
}
|
|
if (vap != NULL)
|
|
error = nfsrpc_setattrrpc(vp, vap, &stateid, cred, p,
|
|
rnap, attrflagp, stuff);
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
else
|
|
error = nfsrpc_setaclrpc(vp, cred, p, aclp, &stateid,
|
|
stuff);
|
|
#else
|
|
else
|
|
error = EOPNOTSUPP;
|
|
#endif
|
|
if (error == NFSERR_STALESTATEID)
|
|
nfscl_initiate_recovery(nmp->nm_clp);
|
|
if (lckp != NULL)
|
|
nfscl_lockderef(lckp);
|
|
if (!openerr)
|
|
(void) nfsrpc_close(vp, 0, p);
|
|
if (error == NFSERR_GRACE || error == NFSERR_STALESTATEID ||
|
|
error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
|
|
error == NFSERR_OLDSTATEID) {
|
|
(void) nfs_catnap(PZERO, "nfs_setattr");
|
|
} else if ((error == NFSERR_EXPIRED ||
|
|
error == NFSERR_BADSTATEID) && clidrev != 0) {
|
|
expireret = nfscl_hasexpired(nmp->nm_clp, clidrev, p);
|
|
}
|
|
retrycnt++;
|
|
} while (error == NFSERR_GRACE || error == NFSERR_STALESTATEID ||
|
|
error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
|
|
(error == NFSERR_OLDSTATEID && retrycnt < 20) ||
|
|
((error == NFSERR_EXPIRED || error == NFSERR_BADSTATEID) &&
|
|
expireret == 0 && clidrev != 0 && retrycnt < 4));
|
|
if (error && retrycnt >= 4)
|
|
error = EIO;
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
nfsrpc_setattrrpc(vnode_t vp, struct vattr *vap,
|
|
nfsv4stateid_t *stateidp, struct ucred *cred, NFSPROC_T *p,
|
|
struct nfsvattr *rnap, int *attrflagp, void *stuff)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
int error;
|
|
nfsattrbit_t attrbits;
|
|
|
|
*attrflagp = 0;
|
|
NFSCL_REQSTART(nd, NFSPROC_SETATTR, vp);
|
|
if (nd->nd_flag & ND_NFSV4)
|
|
nfsm_stateidtom(nd, stateidp, NFSSTATEID_PUTSTATEID);
|
|
vap->va_type = vnode_vtype(vp);
|
|
nfscl_fillsattr(nd, vap, vp, NFSSATTR_FULL, 0);
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = newnfs_false;
|
|
} else if (nd->nd_flag & ND_NFSV4) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OP_GETATTR);
|
|
NFSGETATTR_ATTRBIT(&attrbits);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
}
|
|
error = nfscl_request(nd, vp, p, cred, stuff);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_flag & (ND_NFSV3 | ND_NFSV4))
|
|
error = nfscl_wcc_data(nd, vp, rnap, attrflagp, NULL, stuff);
|
|
if ((nd->nd_flag & ND_NFSV4) && !error)
|
|
error = nfsrv_getattrbits(nd, &attrbits, NULL, NULL);
|
|
if (!(nd->nd_flag & ND_NFSV3) && !nd->nd_repstat && !error)
|
|
error = nfscl_postop_attr(nd, rnap, attrflagp, stuff);
|
|
mbuf_freem(nd->nd_mrep);
|
|
if (nd->nd_repstat && !error)
|
|
error = nd->nd_repstat;
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs lookup rpc
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_lookup(vnode_t dvp, char *name, int len, struct ucred *cred,
|
|
NFSPROC_T *p, struct nfsvattr *dnap, struct nfsvattr *nap,
|
|
struct nfsfh **nfhpp, int *attrflagp, int *dattrflagp, void *stuff)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
struct nfsmount *nmp;
|
|
struct nfsnode *np;
|
|
struct nfsfh *nfhp;
|
|
nfsattrbit_t attrbits;
|
|
int error = 0, lookupp = 0;
|
|
|
|
*attrflagp = 0;
|
|
*dattrflagp = 0;
|
|
if (vnode_vtype(dvp) != VDIR)
|
|
return (ENOTDIR);
|
|
nmp = VFSTONFS(vnode_mount(dvp));
|
|
if (len > NFS_MAXNAMLEN)
|
|
return (ENAMETOOLONG);
|
|
if (NFSHASNFSV4(nmp) && len == 1 &&
|
|
name[0] == '.') {
|
|
/*
|
|
* Just return the current dir's fh.
|
|
*/
|
|
np = VTONFS(dvp);
|
|
MALLOC(nfhp, struct nfsfh *, sizeof (struct nfsfh) +
|
|
np->n_fhp->nfh_len, M_NFSFH, M_WAITOK);
|
|
nfhp->nfh_len = np->n_fhp->nfh_len;
|
|
NFSBCOPY(np->n_fhp->nfh_fh, nfhp->nfh_fh, nfhp->nfh_len);
|
|
*nfhpp = nfhp;
|
|
return (0);
|
|
}
|
|
if (NFSHASNFSV4(nmp) && len == 2 &&
|
|
name[0] == '.' && name[1] == '.') {
|
|
lookupp = 1;
|
|
NFSCL_REQSTART(nd, NFSPROC_LOOKUPP, dvp);
|
|
} else {
|
|
NFSCL_REQSTART(nd, NFSPROC_LOOKUP, dvp);
|
|
(void) nfsm_strtom(nd, name, len);
|
|
}
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
NFSGETATTR_ATTRBIT(&attrbits);
|
|
NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(NFSV4OP_GETFH);
|
|
*tl = txdr_unsigned(NFSV4OP_GETATTR);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
}
|
|
error = nfscl_request(nd, dvp, p, cred, stuff);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_repstat) {
|
|
/*
|
|
* When an NFSv4 Lookupp returns ENOENT, it means that
|
|
* the lookup is at the root of an fs, so return this dir.
|
|
*/
|
|
if (nd->nd_repstat == NFSERR_NOENT && lookupp) {
|
|
np = VTONFS(dvp);
|
|
MALLOC(nfhp, struct nfsfh *, sizeof (struct nfsfh) +
|
|
np->n_fhp->nfh_len, M_NFSFH, M_WAITOK);
|
|
nfhp->nfh_len = np->n_fhp->nfh_len;
|
|
NFSBCOPY(np->n_fhp->nfh_fh, nfhp->nfh_fh, nfhp->nfh_len);
|
|
*nfhpp = nfhp;
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (0);
|
|
}
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
error = nfscl_postop_attr(nd, dnap, dattrflagp, stuff);
|
|
goto nfsmout;
|
|
}
|
|
if ((nd->nd_flag & (ND_NFSV4 | ND_NOMOREDATA)) == ND_NFSV4) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
if (*(tl + 1)) {
|
|
nd->nd_flag |= ND_NOMOREDATA;
|
|
goto nfsmout;
|
|
}
|
|
}
|
|
error = nfsm_getfh(nd, nfhpp);
|
|
if (error)
|
|
goto nfsmout;
|
|
|
|
error = nfscl_postop_attr(nd, nap, attrflagp, stuff);
|
|
if ((nd->nd_flag & ND_NFSV3) && !error)
|
|
error = nfscl_postop_attr(nd, dnap, dattrflagp, stuff);
|
|
nfsmout:
|
|
mbuf_freem(nd->nd_mrep);
|
|
if (!error && nd->nd_repstat)
|
|
error = nd->nd_repstat;
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Do a readlink rpc.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_readlink(vnode_t vp, struct uio *uiop, struct ucred *cred,
|
|
NFSPROC_T *p, struct nfsvattr *nap, int *attrflagp, void *stuff)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
struct nfsnode *np = VTONFS(vp);
|
|
nfsattrbit_t attrbits;
|
|
int error, len, cangetattr = 1;
|
|
|
|
*attrflagp = 0;
|
|
NFSCL_REQSTART(nd, NFSPROC_READLINK, vp);
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
/*
|
|
* And do a Getattr op.
|
|
*/
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OP_GETATTR);
|
|
NFSGETATTR_ATTRBIT(&attrbits);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
}
|
|
error = nfscl_request(nd, vp, p, cred, stuff);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
error = nfscl_postop_attr(nd, nap, attrflagp, stuff);
|
|
if (!nd->nd_repstat && !error) {
|
|
NFSM_STRSIZ(len, NFS_MAXPATHLEN);
|
|
/*
|
|
* This seems weird to me, but must have been added to
|
|
* FreeBSD for some reason. The only thing I can think of
|
|
* is that there was/is some server that replies with
|
|
* more link data than it should?
|
|
*/
|
|
if (len == NFS_MAXPATHLEN) {
|
|
NFSLOCKNODE(np);
|
|
if (np->n_size > 0 && np->n_size < NFS_MAXPATHLEN) {
|
|
len = np->n_size;
|
|
cangetattr = 0;
|
|
}
|
|
NFSUNLOCKNODE(np);
|
|
}
|
|
error = nfsm_mbufuio(nd, uiop, len);
|
|
if ((nd->nd_flag & ND_NFSV4) && !error && cangetattr)
|
|
error = nfscl_postop_attr(nd, nap, attrflagp, stuff);
|
|
}
|
|
if (nd->nd_repstat && !error)
|
|
error = nd->nd_repstat;
|
|
nfsmout:
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Read operation.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_read(vnode_t vp, struct uio *uiop, struct ucred *cred,
|
|
NFSPROC_T *p, struct nfsvattr *nap, int *attrflagp, void *stuff)
|
|
{
|
|
int error, expireret = 0, retrycnt;
|
|
u_int32_t clidrev = 0;
|
|
struct nfsmount *nmp = VFSTONFS(vnode_mount(vp));
|
|
struct nfsnode *np = VTONFS(vp);
|
|
struct ucred *newcred;
|
|
struct nfsfh *nfhp = NULL;
|
|
nfsv4stateid_t stateid;
|
|
void *lckp;
|
|
|
|
if (nmp->nm_clp != NULL)
|
|
clidrev = nmp->nm_clp->nfsc_clientidrev;
|
|
newcred = cred;
|
|
if (NFSHASNFSV4(nmp)) {
|
|
nfhp = np->n_fhp;
|
|
if (p == NULL)
|
|
newcred = NFSNEWCRED(cred);
|
|
}
|
|
retrycnt = 0;
|
|
do {
|
|
lckp = NULL;
|
|
if (NFSHASNFSV4(nmp))
|
|
(void)nfscl_getstateid(vp, nfhp->nfh_fh, nfhp->nfh_len,
|
|
NFSV4OPEN_ACCESSREAD, newcred, p, &stateid, &lckp);
|
|
error = nfsrpc_readrpc(vp, uiop, newcred, &stateid, p, nap,
|
|
attrflagp, stuff);
|
|
if (error == NFSERR_STALESTATEID)
|
|
nfscl_initiate_recovery(nmp->nm_clp);
|
|
if (lckp != NULL)
|
|
nfscl_lockderef(lckp);
|
|
if (error == NFSERR_GRACE || error == NFSERR_STALESTATEID ||
|
|
error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
|
|
error == NFSERR_OLDSTATEID) {
|
|
(void) nfs_catnap(PZERO, "nfs_read");
|
|
} else if ((error == NFSERR_EXPIRED ||
|
|
error == NFSERR_BADSTATEID) && clidrev != 0) {
|
|
expireret = nfscl_hasexpired(nmp->nm_clp, clidrev, p);
|
|
}
|
|
retrycnt++;
|
|
} while (error == NFSERR_GRACE || error == NFSERR_STALESTATEID ||
|
|
error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
|
|
(error == NFSERR_OLDSTATEID && retrycnt < 20) ||
|
|
((error == NFSERR_EXPIRED || error == NFSERR_BADSTATEID) &&
|
|
expireret == 0 && clidrev != 0 && retrycnt < 4));
|
|
if (error && retrycnt >= 4)
|
|
error = EIO;
|
|
if (NFSHASNFSV4(nmp) && p == NULL)
|
|
NFSFREECRED(newcred);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* The actual read RPC.
|
|
*/
|
|
static int
|
|
nfsrpc_readrpc(vnode_t vp, struct uio *uiop, struct ucred *cred,
|
|
nfsv4stateid_t *stateidp, NFSPROC_T *p, struct nfsvattr *nap,
|
|
int *attrflagp, void *stuff)
|
|
{
|
|
u_int32_t *tl;
|
|
int error = 0, len, retlen, tsiz, eof = 0;
|
|
struct nfsrv_descript nfsd;
|
|
struct nfsmount *nmp = VFSTONFS(vnode_mount(vp));
|
|
struct nfsrv_descript *nd = &nfsd;
|
|
|
|
*attrflagp = 0;
|
|
tsiz = uio_uio_resid(uiop);
|
|
if (uiop->uio_offset + tsiz > 0xffffffff &&
|
|
!NFSHASNFSV3OR4(nmp))
|
|
return (EFBIG);
|
|
nd->nd_mrep = NULL;
|
|
while (tsiz > 0) {
|
|
*attrflagp = 0;
|
|
len = (tsiz > nmp->nm_rsize) ? nmp->nm_rsize : tsiz;
|
|
NFSCL_REQSTART(nd, NFSPROC_READ, vp);
|
|
if (nd->nd_flag & ND_NFSV4)
|
|
nfsm_stateidtom(nd, stateidp, NFSSTATEID_PUTSTATEID);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED * 3);
|
|
if (nd->nd_flag & ND_NFSV2) {
|
|
*tl++ = txdr_unsigned(uiop->uio_offset);
|
|
*tl++ = txdr_unsigned(len);
|
|
*tl = 0;
|
|
} else {
|
|
txdr_hyper(uiop->uio_offset, tl);
|
|
*(tl + 2) = txdr_unsigned(len);
|
|
}
|
|
/*
|
|
* Since I can't do a Getattr for NFSv4 for Write, there
|
|
* doesn't seem any point in doing one here, either.
|
|
* (See the comment in nfsrpc_writerpc() for more info.)
|
|
*/
|
|
error = nfscl_request(nd, vp, p, cred, stuff);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
error = nfscl_postop_attr(nd, nap, attrflagp, stuff);
|
|
} else if (!nd->nd_repstat && (nd->nd_flag & ND_NFSV2)) {
|
|
error = nfsm_loadattr(nd, nap);
|
|
if (!error)
|
|
*attrflagp = 1;
|
|
}
|
|
if (nd->nd_repstat || error) {
|
|
if (!error)
|
|
error = nd->nd_repstat;
|
|
goto nfsmout;
|
|
}
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
eof = fxdr_unsigned(int, *(tl + 1));
|
|
} else if (nd->nd_flag & ND_NFSV4) {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
eof = fxdr_unsigned(int, *tl);
|
|
}
|
|
NFSM_STRSIZ(retlen, nmp->nm_rsize);
|
|
error = nfsm_mbufuio(nd, uiop, retlen);
|
|
if (error)
|
|
goto nfsmout;
|
|
mbuf_freem(nd->nd_mrep);
|
|
nd->nd_mrep = NULL;
|
|
tsiz -= retlen;
|
|
if (!(nd->nd_flag & ND_NFSV2)) {
|
|
if (eof || retlen == 0)
|
|
tsiz = 0;
|
|
} else if (retlen < len)
|
|
tsiz = 0;
|
|
}
|
|
return (0);
|
|
nfsmout:
|
|
if (nd->nd_mrep != NULL)
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs write operation
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_write(vnode_t vp, struct uio *uiop, int *iomode, u_char *verfp,
|
|
struct ucred *cred, NFSPROC_T *p, struct nfsvattr *nap, int *attrflagp,
|
|
void *stuff)
|
|
{
|
|
int error, expireret = 0, retrycnt, nostateid;
|
|
u_int32_t clidrev = 0;
|
|
struct nfsmount *nmp = VFSTONFS(vnode_mount(vp));
|
|
struct nfsnode *np = VTONFS(vp);
|
|
struct ucred *newcred;
|
|
struct nfsfh *nfhp = NULL;
|
|
nfsv4stateid_t stateid;
|
|
void *lckp;
|
|
|
|
if (nmp->nm_clp != NULL)
|
|
clidrev = nmp->nm_clp->nfsc_clientidrev;
|
|
newcred = cred;
|
|
if (NFSHASNFSV4(nmp)) {
|
|
if (p == NULL)
|
|
newcred = NFSNEWCRED(cred);
|
|
nfhp = np->n_fhp;
|
|
}
|
|
retrycnt = 0;
|
|
do {
|
|
lckp = NULL;
|
|
nostateid = 0;
|
|
if (NFSHASNFSV4(nmp)) {
|
|
(void)nfscl_getstateid(vp, nfhp->nfh_fh, nfhp->nfh_len,
|
|
NFSV4OPEN_ACCESSWRITE, newcred, p, &stateid, &lckp);
|
|
if (stateid.other[0] == 0 && stateid.other[1] == 0 &&
|
|
stateid.other[2] == 0) {
|
|
nostateid = 1;
|
|
printf("stateid0 in write\n");
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If there is no stateid for NFSv4, it means this is an
|
|
* extraneous write after close. Basically a poorly
|
|
* implemented buffer cache. Just don't do the write.
|
|
*/
|
|
if (nostateid)
|
|
error = 0;
|
|
else
|
|
error = nfsrpc_writerpc(vp, uiop, iomode, verfp,
|
|
newcred, &stateid, p, nap, attrflagp, stuff);
|
|
if (error == NFSERR_BADSTATEID) {
|
|
printf("st=0x%x 0x%x 0x%x\n",stateid.other[0],stateid.other[1],stateid.other[2]);
|
|
nfscl_dumpstate(nmp, 1, 1, 0, 0);
|
|
}
|
|
if (error == NFSERR_STALESTATEID)
|
|
nfscl_initiate_recovery(nmp->nm_clp);
|
|
if (lckp != NULL)
|
|
nfscl_lockderef(lckp);
|
|
if (error == NFSERR_GRACE || error == NFSERR_STALESTATEID ||
|
|
error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
|
|
error == NFSERR_OLDSTATEID) {
|
|
(void) nfs_catnap(PZERO, "nfs_write");
|
|
} else if ((error == NFSERR_EXPIRED ||
|
|
error == NFSERR_BADSTATEID) && clidrev != 0) {
|
|
expireret = nfscl_hasexpired(nmp->nm_clp, clidrev, p);
|
|
}
|
|
retrycnt++;
|
|
} while (error == NFSERR_GRACE || error == NFSERR_STALESTATEID ||
|
|
error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
|
|
(error == NFSERR_OLDSTATEID && retrycnt < 20) ||
|
|
((error == NFSERR_EXPIRED || error == NFSERR_BADSTATEID) &&
|
|
expireret == 0 && clidrev != 0 && retrycnt < 4));
|
|
if (error && retrycnt >= 4)
|
|
error = EIO;
|
|
if (NFSHASNFSV4(nmp) && p == NULL)
|
|
NFSFREECRED(newcred);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* The actual write RPC.
|
|
*/
|
|
static int
|
|
nfsrpc_writerpc(vnode_t vp, struct uio *uiop, int *iomode,
|
|
u_char *verfp, struct ucred *cred, nfsv4stateid_t *stateidp,
|
|
NFSPROC_T *p, struct nfsvattr *nap, int *attrflagp, void *stuff)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsmount *nmp = VFSTONFS(vnode_mount(vp));
|
|
struct nfsnode *np = VTONFS(vp);
|
|
int error = 0, len, tsiz, rlen, commit, committed = NFSWRITE_FILESYNC;
|
|
int wccflag = 0, wsize;
|
|
int32_t backup;
|
|
struct nfsrv_descript nfsd;
|
|
struct nfsrv_descript *nd = &nfsd;
|
|
nfsattrbit_t attrbits;
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if (uiop->uio_iovcnt != 1)
|
|
panic("nfs: writerpc iovcnt > 1");
|
|
#endif
|
|
*attrflagp = 0;
|
|
tsiz = uio_uio_resid(uiop);
|
|
NFSLOCKMNT(nmp);
|
|
if (uiop->uio_offset + tsiz > 0xffffffff &&
|
|
!NFSHASNFSV3OR4(nmp)) {
|
|
NFSUNLOCKMNT(nmp);
|
|
return (EFBIG);
|
|
}
|
|
wsize = nmp->nm_wsize;
|
|
NFSUNLOCKMNT(nmp);
|
|
nd->nd_mrep = NULL; /* NFSv2 sometimes does a write with */
|
|
nd->nd_repstat = 0; /* uio_resid == 0, so the while is not done */
|
|
while (tsiz > 0) {
|
|
nmp = VFSTONFS(vnode_mount(vp));
|
|
if (nmp == NULL) {
|
|
error = ENXIO;
|
|
goto nfsmout;
|
|
}
|
|
*attrflagp = 0;
|
|
len = (tsiz > wsize) ? wsize : tsiz;
|
|
NFSCL_REQSTART(nd, NFSPROC_WRITE, vp);
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
nfsm_stateidtom(nd, stateidp, NFSSTATEID_PUTSTATEID);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_HYPER+2*NFSX_UNSIGNED);
|
|
txdr_hyper(uiop->uio_offset, tl);
|
|
tl += 2;
|
|
*tl++ = txdr_unsigned(*iomode);
|
|
*tl = txdr_unsigned(len);
|
|
} else if (nd->nd_flag & ND_NFSV3) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_HYPER+3*NFSX_UNSIGNED);
|
|
txdr_hyper(uiop->uio_offset, tl);
|
|
tl += 2;
|
|
*tl++ = txdr_unsigned(len);
|
|
*tl++ = txdr_unsigned(*iomode);
|
|
*tl = txdr_unsigned(len);
|
|
} else {
|
|
u_int32_t x;
|
|
|
|
NFSM_BUILD(tl, u_int32_t *, 4 * NFSX_UNSIGNED);
|
|
/*
|
|
* Not sure why someone changed this, since the
|
|
* RFC clearly states that "beginoffset" and
|
|
* "totalcount" are ignored, but it wouldn't
|
|
* surprise me if there's a busted server out there.
|
|
*/
|
|
/* Set both "begin" and "current" to non-garbage. */
|
|
x = txdr_unsigned((u_int32_t)uiop->uio_offset);
|
|
*tl++ = x; /* "begin offset" */
|
|
*tl++ = x; /* "current offset" */
|
|
x = txdr_unsigned(len);
|
|
*tl++ = x; /* total to this offset */
|
|
*tl = x; /* size of this write */
|
|
|
|
}
|
|
nfsm_uiombuf(nd, uiop, len);
|
|
/*
|
|
* Although it is tempting to do a normal Getattr Op in the
|
|
* NFSv4 compound, the result can be a nearly hung client
|
|
* system if the Getattr asks for Owner and/or OwnerGroup.
|
|
* It occurs when the client can't map either the Owner or
|
|
* Owner_group name in the Getattr reply to a uid/gid. When
|
|
* there is a cache miss, the kernel does an upcall to the
|
|
* nfsuserd. Then, it can try and read the local /etc/passwd
|
|
* or /etc/group file. It can then block in getnewbuf(),
|
|
* waiting for dirty writes to be pushed to the NFS server.
|
|
* The only reason this doesn't result in a complete
|
|
* deadlock, is that the upcall times out and allows
|
|
* the write to complete. However, progress is so slow
|
|
* that it might just as well be deadlocked.
|
|
* So, we just get the attributes that change with each
|
|
* write Op.
|
|
* nb: nfscl_loadattrcache() needs to be told that these
|
|
* partial attributes from a write rpc are being
|
|
* passed in, via a argument flag.
|
|
*/
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
NFSWRITEGETATTR_ATTRBIT(&attrbits);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OP_GETATTR);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
}
|
|
error = nfscl_request(nd, vp, p, cred, stuff);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_repstat) {
|
|
/*
|
|
* In case the rpc gets retried, roll
|
|
* the uio fileds changed by nfsm_uiombuf()
|
|
* back.
|
|
*/
|
|
uiop->uio_offset -= len;
|
|
uio_uio_resid_add(uiop, len);
|
|
uio_iov_base_add(uiop, -len);
|
|
uio_iov_len_add(uiop, len);
|
|
}
|
|
if (nd->nd_flag & (ND_NFSV3 | ND_NFSV4)) {
|
|
error = nfscl_wcc_data(nd, vp, nap, attrflagp,
|
|
&wccflag, stuff);
|
|
if (error)
|
|
goto nfsmout;
|
|
}
|
|
if (!nd->nd_repstat) {
|
|
if (nd->nd_flag & (ND_NFSV3 | ND_NFSV4)) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED
|
|
+ NFSX_VERF);
|
|
rlen = fxdr_unsigned(int, *tl++);
|
|
if (rlen == 0) {
|
|
error = NFSERR_IO;
|
|
goto nfsmout;
|
|
} else if (rlen < len) {
|
|
backup = len - rlen;
|
|
uio_iov_base_add(uiop, -(backup));
|
|
uio_iov_len_add(uiop, backup);
|
|
uiop->uio_offset -= backup;
|
|
uio_uio_resid_add(uiop, backup);
|
|
len = rlen;
|
|
}
|
|
commit = fxdr_unsigned(int, *tl++);
|
|
|
|
/*
|
|
* Return the lowest committment level
|
|
* obtained by any of the RPCs.
|
|
*/
|
|
if (committed == NFSWRITE_FILESYNC)
|
|
committed = commit;
|
|
else if (committed == NFSWRITE_DATASYNC &&
|
|
commit == NFSWRITE_UNSTABLE)
|
|
committed = commit;
|
|
if (verfp != NULL)
|
|
NFSBCOPY((caddr_t)tl, verfp, NFSX_VERF);
|
|
NFSLOCKMNT(nmp);
|
|
if (!NFSHASWRITEVERF(nmp)) {
|
|
NFSBCOPY((caddr_t)tl,
|
|
(caddr_t)&nmp->nm_verf[0],
|
|
NFSX_VERF);
|
|
NFSSETWRITEVERF(nmp);
|
|
}
|
|
NFSUNLOCKMNT(nmp);
|
|
}
|
|
if (nd->nd_flag & ND_NFSV4)
|
|
NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
if (nd->nd_flag & (ND_NFSV2 | ND_NFSV4)) {
|
|
error = nfsm_loadattr(nd, nap);
|
|
if (!error)
|
|
*attrflagp = NFS_LATTR_NOSHRINK;
|
|
}
|
|
} else {
|
|
error = nd->nd_repstat;
|
|
}
|
|
if (error)
|
|
goto nfsmout;
|
|
NFSWRITERPC_SETTIME(wccflag, np, (nd->nd_flag & ND_NFSV4));
|
|
mbuf_freem(nd->nd_mrep);
|
|
nd->nd_mrep = NULL;
|
|
tsiz -= len;
|
|
}
|
|
nfsmout:
|
|
if (nd->nd_mrep != NULL)
|
|
mbuf_freem(nd->nd_mrep);
|
|
*iomode = committed;
|
|
if (nd->nd_repstat && !error)
|
|
error = nd->nd_repstat;
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs mknod rpc
|
|
* For NFS v2 this is a kludge. Use a create rpc but with the IFMT bits of the
|
|
* mode set to specify the file type and the size field for rdev.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_mknod(vnode_t dvp, char *name, int namelen, struct vattr *vap,
|
|
u_int32_t rdev, enum vtype vtyp, struct ucred *cred, NFSPROC_T *p,
|
|
struct nfsvattr *dnap, struct nfsvattr *nnap, struct nfsfh **nfhpp,
|
|
int *attrflagp, int *dattrflagp, void *dstuff)
|
|
{
|
|
u_int32_t *tl;
|
|
int error = 0;
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
nfsattrbit_t attrbits;
|
|
|
|
*nfhpp = NULL;
|
|
*attrflagp = 0;
|
|
*dattrflagp = 0;
|
|
if (namelen > NFS_MAXNAMLEN)
|
|
return (ENAMETOOLONG);
|
|
NFSCL_REQSTART(nd, NFSPROC_MKNOD, dvp);
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
|
|
*tl++ = vtonfsv34_type(vtyp);
|
|
*tl++ = txdr_unsigned(NFSMAJOR(rdev));
|
|
*tl = txdr_unsigned(NFSMINOR(rdev));
|
|
}
|
|
(void) nfsm_strtom(nd, name, namelen);
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = vtonfsv34_type(vtyp);
|
|
}
|
|
if (nd->nd_flag & (ND_NFSV3 | ND_NFSV4))
|
|
nfscl_fillsattr(nd, vap, dvp, 0, 0);
|
|
if ((nd->nd_flag & ND_NFSV3) &&
|
|
(vtyp == VCHR || vtyp == VBLK)) {
|
|
NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(NFSMAJOR(rdev));
|
|
*tl = txdr_unsigned(NFSMINOR(rdev));
|
|
}
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
NFSGETATTR_ATTRBIT(&attrbits);
|
|
NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(NFSV4OP_GETFH);
|
|
*tl = txdr_unsigned(NFSV4OP_GETATTR);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
}
|
|
if (nd->nd_flag & ND_NFSV2)
|
|
nfscl_fillsattr(nd, vap, dvp, NFSSATTR_SIZERDEV, rdev);
|
|
error = nfscl_request(nd, dvp, p, cred, dstuff);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_flag & ND_NFSV4)
|
|
error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp, NULL, dstuff);
|
|
if (!nd->nd_repstat) {
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
|
|
error = nfsrv_getattrbits(nd, &attrbits, NULL, NULL);
|
|
if (error)
|
|
goto nfsmout;
|
|
}
|
|
error = nfscl_mtofh(nd, nfhpp, nnap, attrflagp);
|
|
if (error)
|
|
goto nfsmout;
|
|
}
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp, NULL, dstuff);
|
|
if (!error && nd->nd_repstat)
|
|
error = nd->nd_repstat;
|
|
nfsmout:
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs file create call
|
|
* Mostly just call the approriate routine. (I separated out v4, so that
|
|
* error recovery wouldn't be as difficult.)
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_create(vnode_t dvp, char *name, int namelen, struct vattr *vap,
|
|
nfsquad_t cverf, int fmode, struct ucred *cred, NFSPROC_T *p,
|
|
struct nfsvattr *dnap, struct nfsvattr *nnap, struct nfsfh **nfhpp,
|
|
int *attrflagp, int *dattrflagp, void *dstuff)
|
|
{
|
|
int error = 0, newone, expireret = 0, retrycnt, unlocked;
|
|
struct nfsclowner *owp;
|
|
struct nfscldeleg *dp;
|
|
struct nfsmount *nmp = VFSTONFS(vnode_mount(dvp));
|
|
u_int32_t clidrev;
|
|
|
|
if (NFSHASNFSV4(nmp)) {
|
|
retrycnt = 0;
|
|
do {
|
|
dp = NULL;
|
|
error = nfscl_open(dvp, NULL, 0, (NFSV4OPEN_ACCESSWRITE |
|
|
NFSV4OPEN_ACCESSREAD), 0, cred, p, &owp, NULL, &newone,
|
|
NULL, 1);
|
|
if (error)
|
|
return (error);
|
|
if (nmp->nm_clp != NULL)
|
|
clidrev = nmp->nm_clp->nfsc_clientidrev;
|
|
else
|
|
clidrev = 0;
|
|
error = nfsrpc_createv4(dvp, name, namelen, vap, cverf, fmode,
|
|
owp, &dp, cred, p, dnap, nnap, nfhpp, attrflagp, dattrflagp,
|
|
dstuff, &unlocked);
|
|
if (dp != NULL)
|
|
(void) nfscl_deleg(nmp->nm_mountp, owp->nfsow_clp,
|
|
(*nfhpp)->nfh_fh, (*nfhpp)->nfh_len, cred, p, &dp);
|
|
nfscl_ownerrelease(owp, error, newone, unlocked);
|
|
if (error == NFSERR_GRACE || error == NFSERR_STALECLIENTID ||
|
|
error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY) {
|
|
(void) nfs_catnap(PZERO, "nfs_open");
|
|
} else if ((error == NFSERR_EXPIRED ||
|
|
error == NFSERR_BADSTATEID) && clidrev != 0) {
|
|
expireret = nfscl_hasexpired(nmp->nm_clp, clidrev, p);
|
|
retrycnt++;
|
|
}
|
|
} while (error == NFSERR_GRACE || error == NFSERR_STALECLIENTID ||
|
|
error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY ||
|
|
((error == NFSERR_EXPIRED || error == NFSERR_BADSTATEID) &&
|
|
expireret == 0 && clidrev != 0 && retrycnt < 4));
|
|
if (error && retrycnt >= 4)
|
|
error = EIO;
|
|
} else {
|
|
error = nfsrpc_createv23(dvp, name, namelen, vap, cverf,
|
|
fmode, cred, p, dnap, nnap, nfhpp, attrflagp, dattrflagp,
|
|
dstuff);
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* The create rpc for v2 and 3.
|
|
*/
|
|
static int
|
|
nfsrpc_createv23(vnode_t dvp, char *name, int namelen, struct vattr *vap,
|
|
nfsquad_t cverf, int fmode, struct ucred *cred, NFSPROC_T *p,
|
|
struct nfsvattr *dnap, struct nfsvattr *nnap, struct nfsfh **nfhpp,
|
|
int *attrflagp, int *dattrflagp, void *dstuff)
|
|
{
|
|
u_int32_t *tl;
|
|
int error = 0;
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
|
|
*nfhpp = NULL;
|
|
*attrflagp = 0;
|
|
*dattrflagp = 0;
|
|
if (namelen > NFS_MAXNAMLEN)
|
|
return (ENAMETOOLONG);
|
|
NFSCL_REQSTART(nd, NFSPROC_CREATE, dvp);
|
|
(void) nfsm_strtom(nd, name, namelen);
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
if (fmode & O_EXCL) {
|
|
*tl = txdr_unsigned(NFSCREATE_EXCLUSIVE);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_VERF);
|
|
*tl++ = cverf.lval[0];
|
|
*tl = cverf.lval[1];
|
|
} else {
|
|
*tl = txdr_unsigned(NFSCREATE_UNCHECKED);
|
|
nfscl_fillsattr(nd, vap, dvp, 0, 0);
|
|
}
|
|
} else {
|
|
nfscl_fillsattr(nd, vap, dvp, NFSSATTR_SIZE0, 0);
|
|
}
|
|
error = nfscl_request(nd, dvp, p, cred, dstuff);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_repstat == 0) {
|
|
error = nfscl_mtofh(nd, nfhpp, nnap, attrflagp);
|
|
if (error)
|
|
goto nfsmout;
|
|
}
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp, NULL, dstuff);
|
|
if (nd->nd_repstat != 0 && error == 0)
|
|
error = nd->nd_repstat;
|
|
nfsmout:
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
nfsrpc_createv4(vnode_t dvp, char *name, int namelen, struct vattr *vap,
|
|
nfsquad_t cverf, int fmode, struct nfsclowner *owp, struct nfscldeleg **dpp,
|
|
struct ucred *cred, NFSPROC_T *p, struct nfsvattr *dnap,
|
|
struct nfsvattr *nnap, struct nfsfh **nfhpp, int *attrflagp,
|
|
int *dattrflagp, void *dstuff, int *unlockedp)
|
|
{
|
|
u_int32_t *tl;
|
|
int error = 0, deleg, newone, ret, acesize, limitby;
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
struct nfsclopen *op;
|
|
struct nfscldeleg *dp = NULL;
|
|
struct nfsnode *np;
|
|
struct nfsfh *nfhp;
|
|
nfsattrbit_t attrbits;
|
|
nfsv4stateid_t stateid;
|
|
u_int32_t rflags;
|
|
|
|
*unlockedp = 0;
|
|
*nfhpp = NULL;
|
|
*dpp = NULL;
|
|
*attrflagp = 0;
|
|
*dattrflagp = 0;
|
|
if (namelen > NFS_MAXNAMLEN)
|
|
return (ENAMETOOLONG);
|
|
NFSCL_REQSTART(nd, NFSPROC_CREATE, dvp);
|
|
/*
|
|
* For V4, this is actually an Open op.
|
|
*/
|
|
NFSM_BUILD(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(owp->nfsow_seqid);
|
|
*tl++ = txdr_unsigned(NFSV4OPEN_ACCESSWRITE |
|
|
NFSV4OPEN_ACCESSREAD);
|
|
*tl++ = txdr_unsigned(NFSV4OPEN_DENYNONE);
|
|
*tl++ = owp->nfsow_clp->nfsc_clientid.lval[0];
|
|
*tl = owp->nfsow_clp->nfsc_clientid.lval[1];
|
|
(void) nfsm_strtom(nd, owp->nfsow_owner, NFSV4CL_LOCKNAMELEN);
|
|
NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(NFSV4OPEN_CREATE);
|
|
if (fmode & O_EXCL) {
|
|
*tl = txdr_unsigned(NFSCREATE_EXCLUSIVE);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_VERF);
|
|
*tl++ = cverf.lval[0];
|
|
*tl = cverf.lval[1];
|
|
} else {
|
|
*tl = txdr_unsigned(NFSCREATE_UNCHECKED);
|
|
nfscl_fillsattr(nd, vap, dvp, 0, 0);
|
|
}
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OPEN_CLAIMNULL);
|
|
(void) nfsm_strtom(nd, name, namelen);
|
|
NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(NFSV4OP_GETFH);
|
|
*tl = txdr_unsigned(NFSV4OP_GETATTR);
|
|
NFSGETATTR_ATTRBIT(&attrbits);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
error = nfscl_request(nd, dvp, p, cred, dstuff);
|
|
if (error)
|
|
return (error);
|
|
error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp, NULL, dstuff);
|
|
if (error)
|
|
goto nfsmout;
|
|
NFSCL_INCRSEQID(owp->nfsow_seqid, nd);
|
|
if (nd->nd_repstat == 0) {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID +
|
|
6 * NFSX_UNSIGNED);
|
|
stateid.seqid = *tl++;
|
|
stateid.other[0] = *tl++;
|
|
stateid.other[1] = *tl++;
|
|
stateid.other[2] = *tl;
|
|
rflags = fxdr_unsigned(u_int32_t, *(tl + 6));
|
|
(void) nfsrv_getattrbits(nd, &attrbits, NULL, NULL);
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
deleg = fxdr_unsigned(int, *tl);
|
|
if (deleg == NFSV4OPEN_DELEGATEREAD ||
|
|
deleg == NFSV4OPEN_DELEGATEWRITE) {
|
|
if (!(owp->nfsow_clp->nfsc_flags &
|
|
NFSCLFLAGS_FIRSTDELEG))
|
|
owp->nfsow_clp->nfsc_flags |=
|
|
(NFSCLFLAGS_FIRSTDELEG | NFSCLFLAGS_GOTDELEG);
|
|
MALLOC(dp, struct nfscldeleg *,
|
|
sizeof (struct nfscldeleg) + NFSX_V4FHMAX,
|
|
M_NFSCLDELEG, M_WAITOK);
|
|
LIST_INIT(&dp->nfsdl_owner);
|
|
LIST_INIT(&dp->nfsdl_lock);
|
|
dp->nfsdl_clp = owp->nfsow_clp;
|
|
newnfs_copyincred(cred, &dp->nfsdl_cred);
|
|
nfscl_lockinit(&dp->nfsdl_rwlock);
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID +
|
|
NFSX_UNSIGNED);
|
|
dp->nfsdl_stateid.seqid = *tl++;
|
|
dp->nfsdl_stateid.other[0] = *tl++;
|
|
dp->nfsdl_stateid.other[1] = *tl++;
|
|
dp->nfsdl_stateid.other[2] = *tl++;
|
|
ret = fxdr_unsigned(int, *tl);
|
|
if (deleg == NFSV4OPEN_DELEGATEWRITE) {
|
|
dp->nfsdl_flags = NFSCLDL_WRITE;
|
|
/*
|
|
* Indicates how much the file can grow.
|
|
*/
|
|
NFSM_DISSECT(tl, u_int32_t *,
|
|
3 * NFSX_UNSIGNED);
|
|
limitby = fxdr_unsigned(int, *tl++);
|
|
switch (limitby) {
|
|
case NFSV4OPEN_LIMITSIZE:
|
|
dp->nfsdl_sizelimit = fxdr_hyper(tl);
|
|
break;
|
|
case NFSV4OPEN_LIMITBLOCKS:
|
|
dp->nfsdl_sizelimit =
|
|
fxdr_unsigned(u_int64_t, *tl++);
|
|
dp->nfsdl_sizelimit *=
|
|
fxdr_unsigned(u_int64_t, *tl);
|
|
break;
|
|
default:
|
|
error = NFSERR_BADXDR;
|
|
goto nfsmout;
|
|
};
|
|
} else {
|
|
dp->nfsdl_flags = NFSCLDL_READ;
|
|
}
|
|
if (ret)
|
|
dp->nfsdl_flags |= NFSCLDL_RECALL;
|
|
error = nfsrv_dissectace(nd, &dp->nfsdl_ace, &ret,
|
|
&acesize, p);
|
|
if (error)
|
|
goto nfsmout;
|
|
} else if (deleg != NFSV4OPEN_DELEGATENONE) {
|
|
error = NFSERR_BADXDR;
|
|
goto nfsmout;
|
|
}
|
|
error = nfscl_mtofh(nd, nfhpp, nnap, attrflagp);
|
|
if (error)
|
|
goto nfsmout;
|
|
if (dp != NULL && *attrflagp) {
|
|
dp->nfsdl_change = nnap->na_filerev;
|
|
dp->nfsdl_modtime = nnap->na_mtime;
|
|
dp->nfsdl_flags |= NFSCLDL_MODTIMESET;
|
|
}
|
|
/*
|
|
* We can now complete the Open state.
|
|
*/
|
|
nfhp = *nfhpp;
|
|
if (dp != NULL) {
|
|
dp->nfsdl_fhlen = nfhp->nfh_len;
|
|
NFSBCOPY(nfhp->nfh_fh, dp->nfsdl_fh, nfhp->nfh_len);
|
|
}
|
|
/*
|
|
* Get an Open structure that will be
|
|
* attached to the OpenOwner, acquired already.
|
|
*/
|
|
error = nfscl_open(dvp, nfhp->nfh_fh, nfhp->nfh_len,
|
|
(NFSV4OPEN_ACCESSWRITE | NFSV4OPEN_ACCESSREAD), 0,
|
|
cred, p, NULL, &op, &newone, NULL, 0);
|
|
if (error)
|
|
goto nfsmout;
|
|
op->nfso_stateid = stateid;
|
|
newnfs_copyincred(cred, &op->nfso_cred);
|
|
if ((rflags & NFSV4OPEN_RESULTCONFIRM)) {
|
|
do {
|
|
ret = nfsrpc_openconfirm(dvp, nfhp->nfh_fh,
|
|
nfhp->nfh_len, op, cred, p);
|
|
if (ret == NFSERR_DELAY)
|
|
(void) nfs_catnap(PZERO, "nfs_create");
|
|
} while (ret == NFSERR_DELAY);
|
|
error = ret;
|
|
}
|
|
|
|
/*
|
|
* If the server is handing out delegations, but we didn't
|
|
* get one because an OpenConfirm was required, try the
|
|
* Open again, to get a delegation. This is a harmless no-op,
|
|
* from a server's point of view.
|
|
*/
|
|
if ((rflags & NFSV4OPEN_RESULTCONFIRM) &&
|
|
(owp->nfsow_clp->nfsc_flags & NFSCLFLAGS_GOTDELEG) &&
|
|
!error && dp == NULL) {
|
|
np = VTONFS(dvp);
|
|
do {
|
|
ret = nfsrpc_openrpc(VFSTONFS(vnode_mount(dvp)), dvp,
|
|
np->n_fhp->nfh_fh, np->n_fhp->nfh_len,
|
|
nfhp->nfh_fh, nfhp->nfh_len,
|
|
(NFSV4OPEN_ACCESSWRITE | NFSV4OPEN_ACCESSREAD), op,
|
|
name, namelen, &dp, 0, 0x0, cred, p, 0, 1);
|
|
if (ret == NFSERR_DELAY)
|
|
(void) nfs_catnap(PZERO, "nfs_crt2");
|
|
} while (ret == NFSERR_DELAY);
|
|
if (ret) {
|
|
if (dp != NULL)
|
|
FREE((caddr_t)dp, M_NFSCLDELEG);
|
|
if (ret == NFSERR_STALECLIENTID ||
|
|
ret == NFSERR_STALEDONTRECOVER)
|
|
error = ret;
|
|
}
|
|
}
|
|
nfscl_openrelease(op, error, newone);
|
|
*unlockedp = 1;
|
|
}
|
|
if (nd->nd_repstat != 0 && error == 0)
|
|
error = nd->nd_repstat;
|
|
if (error == NFSERR_STALECLIENTID)
|
|
nfscl_initiate_recovery(owp->nfsow_clp);
|
|
nfsmout:
|
|
if (!error)
|
|
*dpp = dp;
|
|
else if (dp != NULL)
|
|
FREE((caddr_t)dp, M_NFSCLDELEG);
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Nfs remove rpc
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_remove(vnode_t dvp, char *name, int namelen, vnode_t vp,
|
|
struct ucred *cred, NFSPROC_T *p, struct nfsvattr *dnap, int *dattrflagp,
|
|
void *dstuff)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
struct nfsnode *np;
|
|
struct nfsmount *nmp;
|
|
nfsv4stateid_t dstateid;
|
|
int error, ret = 0, i;
|
|
|
|
*dattrflagp = 0;
|
|
if (namelen > NFS_MAXNAMLEN)
|
|
return (ENAMETOOLONG);
|
|
nmp = VFSTONFS(vnode_mount(dvp));
|
|
tryagain:
|
|
if (NFSHASNFSV4(nmp) && ret == 0) {
|
|
ret = nfscl_removedeleg(vp, p, &dstateid);
|
|
if (ret == 1) {
|
|
NFSCL_REQSTART(nd, NFSPROC_RETDELEGREMOVE, vp);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID +
|
|
NFSX_UNSIGNED);
|
|
*tl++ = dstateid.seqid;
|
|
*tl++ = dstateid.other[0];
|
|
*tl++ = dstateid.other[1];
|
|
*tl++ = dstateid.other[2];
|
|
*tl = txdr_unsigned(NFSV4OP_PUTFH);
|
|
np = VTONFS(dvp);
|
|
(void) nfsm_fhtom(nd, np->n_fhp->nfh_fh,
|
|
np->n_fhp->nfh_len, 0);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OP_REMOVE);
|
|
}
|
|
} else {
|
|
ret = 0;
|
|
}
|
|
if (ret == 0)
|
|
NFSCL_REQSTART(nd, NFSPROC_REMOVE, dvp);
|
|
(void) nfsm_strtom(nd, name, namelen);
|
|
error = nfscl_request(nd, dvp, p, cred, dstuff);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_flag & (ND_NFSV3 | ND_NFSV4)) {
|
|
/* For NFSv4, parse out any Delereturn replies. */
|
|
if (ret > 0 && nd->nd_repstat != 0 &&
|
|
(nd->nd_flag & ND_NOMOREDATA)) {
|
|
/*
|
|
* If the Delegreturn failed, try again without
|
|
* it. The server will Recall, as required.
|
|
*/
|
|
mbuf_freem(nd->nd_mrep);
|
|
goto tryagain;
|
|
}
|
|
for (i = 0; i < (ret * 2); i++) {
|
|
if ((nd->nd_flag & (ND_NFSV4 | ND_NOMOREDATA)) ==
|
|
ND_NFSV4) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
if (*(tl + 1))
|
|
nd->nd_flag |= ND_NOMOREDATA;
|
|
}
|
|
}
|
|
error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp, NULL, dstuff);
|
|
}
|
|
if (nd->nd_repstat && !error)
|
|
error = nd->nd_repstat;
|
|
nfsmout:
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Do an nfs rename rpc.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_rename(vnode_t fdvp, vnode_t fvp, char *fnameptr, int fnamelen,
|
|
vnode_t tdvp, vnode_t tvp, char *tnameptr, int tnamelen, struct ucred *cred,
|
|
NFSPROC_T *p, struct nfsvattr *fnap, struct nfsvattr *tnap,
|
|
int *fattrflagp, int *tattrflagp, void *fstuff, void *tstuff)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
struct nfsmount *nmp;
|
|
struct nfsnode *np;
|
|
nfsattrbit_t attrbits;
|
|
nfsv4stateid_t fdstateid, tdstateid;
|
|
int error = 0, ret = 0, gottd = 0, gotfd = 0, i;
|
|
|
|
*fattrflagp = 0;
|
|
*tattrflagp = 0;
|
|
nmp = VFSTONFS(vnode_mount(fdvp));
|
|
if (fnamelen > NFS_MAXNAMLEN || tnamelen > NFS_MAXNAMLEN)
|
|
return (ENAMETOOLONG);
|
|
tryagain:
|
|
if (NFSHASNFSV4(nmp) && ret == 0) {
|
|
ret = nfscl_renamedeleg(fvp, &fdstateid, &gotfd, tvp,
|
|
&tdstateid, &gottd, p);
|
|
if (gotfd && gottd) {
|
|
NFSCL_REQSTART(nd, NFSPROC_RETDELEGRENAME2, fvp);
|
|
} else if (gotfd) {
|
|
NFSCL_REQSTART(nd, NFSPROC_RETDELEGRENAME1, fvp);
|
|
} else if (gottd) {
|
|
NFSCL_REQSTART(nd, NFSPROC_RETDELEGRENAME1, tvp);
|
|
}
|
|
if (gotfd) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID);
|
|
*tl++ = fdstateid.seqid;
|
|
*tl++ = fdstateid.other[0];
|
|
*tl++ = fdstateid.other[1];
|
|
*tl = fdstateid.other[2];
|
|
if (gottd) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OP_PUTFH);
|
|
np = VTONFS(tvp);
|
|
(void) nfsm_fhtom(nd, np->n_fhp->nfh_fh,
|
|
np->n_fhp->nfh_len, 0);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OP_DELEGRETURN);
|
|
}
|
|
}
|
|
if (gottd) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID);
|
|
*tl++ = tdstateid.seqid;
|
|
*tl++ = tdstateid.other[0];
|
|
*tl++ = tdstateid.other[1];
|
|
*tl = tdstateid.other[2];
|
|
}
|
|
if (ret > 0) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OP_PUTFH);
|
|
np = VTONFS(fdvp);
|
|
(void) nfsm_fhtom(nd, np->n_fhp->nfh_fh,
|
|
np->n_fhp->nfh_len, 0);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OP_SAVEFH);
|
|
}
|
|
} else {
|
|
ret = 0;
|
|
}
|
|
if (ret == 0)
|
|
NFSCL_REQSTART(nd, NFSPROC_RENAME, fdvp);
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OP_GETATTR);
|
|
NFSWCCATTR_ATTRBIT(&attrbits);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OP_PUTFH);
|
|
(void) nfsm_fhtom(nd, VTONFS(tdvp)->n_fhp->nfh_fh,
|
|
VTONFS(tdvp)->n_fhp->nfh_len, 0);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OP_GETATTR);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
nd->nd_flag |= ND_V4WCCATTR;
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OP_RENAME);
|
|
}
|
|
(void) nfsm_strtom(nd, fnameptr, fnamelen);
|
|
if (!(nd->nd_flag & ND_NFSV4))
|
|
(void) nfsm_fhtom(nd, VTONFS(tdvp)->n_fhp->nfh_fh,
|
|
VTONFS(tdvp)->n_fhp->nfh_len, 0);
|
|
(void) nfsm_strtom(nd, tnameptr, tnamelen);
|
|
error = nfscl_request(nd, fdvp, p, cred, fstuff);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_flag & (ND_NFSV3 | ND_NFSV4)) {
|
|
/* For NFSv4, parse out any Delereturn replies. */
|
|
if (ret > 0 && nd->nd_repstat != 0 &&
|
|
(nd->nd_flag & ND_NOMOREDATA)) {
|
|
/*
|
|
* If the Delegreturn failed, try again without
|
|
* it. The server will Recall, as required.
|
|
*/
|
|
mbuf_freem(nd->nd_mrep);
|
|
goto tryagain;
|
|
}
|
|
for (i = 0; i < (ret * 2); i++) {
|
|
if ((nd->nd_flag & (ND_NFSV4 | ND_NOMOREDATA)) ==
|
|
ND_NFSV4) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
if (*(tl + 1)) {
|
|
if (i == 0 && ret > 1) {
|
|
/*
|
|
* If the Delegreturn failed, try again
|
|
* without it. The server will Recall, as
|
|
* required.
|
|
* If ret > 1, the first iteration of this
|
|
* loop is the second DelegReturn result.
|
|
*/
|
|
mbuf_freem(nd->nd_mrep);
|
|
goto tryagain;
|
|
} else {
|
|
nd->nd_flag |= ND_NOMOREDATA;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/* Now, the first wcc attribute reply. */
|
|
if ((nd->nd_flag & (ND_NFSV4 | ND_NOMOREDATA)) == ND_NFSV4) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
if (*(tl + 1))
|
|
nd->nd_flag |= ND_NOMOREDATA;
|
|
}
|
|
error = nfscl_wcc_data(nd, fdvp, fnap, fattrflagp, NULL,
|
|
fstuff);
|
|
/* and the second wcc attribute reply. */
|
|
if ((nd->nd_flag & (ND_NFSV4 | ND_NOMOREDATA)) == ND_NFSV4 &&
|
|
!error) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
if (*(tl + 1))
|
|
nd->nd_flag |= ND_NOMOREDATA;
|
|
}
|
|
if (!error)
|
|
error = nfscl_wcc_data(nd, tdvp, tnap, tattrflagp,
|
|
NULL, tstuff);
|
|
}
|
|
if (nd->nd_repstat && !error)
|
|
error = nd->nd_repstat;
|
|
nfsmout:
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs hard link create rpc
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_link(vnode_t dvp, vnode_t vp, char *name, int namelen,
|
|
struct ucred *cred, NFSPROC_T *p, struct nfsvattr *dnap,
|
|
struct nfsvattr *nap, int *attrflagp, int *dattrflagp, void *dstuff)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
nfsattrbit_t attrbits;
|
|
int error = 0;
|
|
|
|
*attrflagp = 0;
|
|
*dattrflagp = 0;
|
|
if (namelen > NFS_MAXNAMLEN)
|
|
return (ENAMETOOLONG);
|
|
NFSCL_REQSTART(nd, NFSPROC_LINK, vp);
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OP_PUTFH);
|
|
}
|
|
(void) nfsm_fhtom(nd, VTONFS(dvp)->n_fhp->nfh_fh,
|
|
VTONFS(dvp)->n_fhp->nfh_len, 0);
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OP_GETATTR);
|
|
NFSWCCATTR_ATTRBIT(&attrbits);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
nd->nd_flag |= ND_V4WCCATTR;
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OP_LINK);
|
|
}
|
|
(void) nfsm_strtom(nd, name, namelen);
|
|
error = nfscl_request(nd, vp, p, cred, dstuff);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
error = nfscl_postop_attr(nd, nap, attrflagp, dstuff);
|
|
if (!error)
|
|
error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp,
|
|
NULL, dstuff);
|
|
} else if ((nd->nd_flag & (ND_NFSV4 | ND_NOMOREDATA)) == ND_NFSV4) {
|
|
/*
|
|
* First, parse out the PutFH and Getattr result.
|
|
*/
|
|
NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
if (!(*(tl + 1)))
|
|
NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
if (*(tl + 1))
|
|
nd->nd_flag |= ND_NOMOREDATA;
|
|
/*
|
|
* Get the pre-op attributes.
|
|
*/
|
|
error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp, NULL, dstuff);
|
|
}
|
|
if (nd->nd_repstat && !error)
|
|
error = nd->nd_repstat;
|
|
nfsmout:
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs symbolic link create rpc
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_symlink(vnode_t dvp, char *name, int namelen, char *target,
|
|
struct vattr *vap, struct ucred *cred, NFSPROC_T *p, struct nfsvattr *dnap,
|
|
struct nfsvattr *nnap, struct nfsfh **nfhpp, int *attrflagp,
|
|
int *dattrflagp, void *dstuff)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
struct nfsmount *nmp;
|
|
int slen, error = 0;
|
|
|
|
*nfhpp = NULL;
|
|
*attrflagp = 0;
|
|
*dattrflagp = 0;
|
|
nmp = VFSTONFS(vnode_mount(dvp));
|
|
slen = strlen(target);
|
|
if (slen > NFS_MAXPATHLEN || namelen > NFS_MAXNAMLEN)
|
|
return (ENAMETOOLONG);
|
|
NFSCL_REQSTART(nd, NFSPROC_SYMLINK, dvp);
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFLNK);
|
|
(void) nfsm_strtom(nd, target, slen);
|
|
}
|
|
(void) nfsm_strtom(nd, name, namelen);
|
|
if (nd->nd_flag & (ND_NFSV3 | ND_NFSV4))
|
|
nfscl_fillsattr(nd, vap, dvp, 0, 0);
|
|
if (!(nd->nd_flag & ND_NFSV4))
|
|
(void) nfsm_strtom(nd, target, slen);
|
|
if (nd->nd_flag & ND_NFSV2)
|
|
nfscl_fillsattr(nd, vap, dvp, NFSSATTR_SIZENEG1, 0);
|
|
error = nfscl_request(nd, dvp, p, cred, dstuff);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_flag & ND_NFSV4)
|
|
error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp, NULL, dstuff);
|
|
if ((nd->nd_flag & ND_NFSV3) && !error) {
|
|
if (!nd->nd_repstat)
|
|
error = nfscl_mtofh(nd, nfhpp, nnap, attrflagp);
|
|
if (!error)
|
|
error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp,
|
|
NULL, dstuff);
|
|
}
|
|
if (nd->nd_repstat && !error)
|
|
error = nd->nd_repstat;
|
|
mbuf_freem(nd->nd_mrep);
|
|
/*
|
|
* Kludge: Map EEXIST => 0 assuming that it is a reply to a retry.
|
|
*/
|
|
if (error == EEXIST)
|
|
error = 0;
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs make dir rpc
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_mkdir(vnode_t dvp, char *name, int namelen, struct vattr *vap,
|
|
struct ucred *cred, NFSPROC_T *p, struct nfsvattr *dnap,
|
|
struct nfsvattr *nnap, struct nfsfh **nfhpp, int *attrflagp,
|
|
int *dattrflagp, void *dstuff)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
nfsattrbit_t attrbits;
|
|
int error = 0;
|
|
|
|
*nfhpp = NULL;
|
|
*attrflagp = 0;
|
|
*dattrflagp = 0;
|
|
if (namelen > NFS_MAXNAMLEN)
|
|
return (ENAMETOOLONG);
|
|
NFSCL_REQSTART(nd, NFSPROC_MKDIR, dvp);
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFDIR);
|
|
}
|
|
(void) nfsm_strtom(nd, name, namelen);
|
|
nfscl_fillsattr(nd, vap, dvp, NFSSATTR_SIZENEG1, 0);
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
NFSGETATTR_ATTRBIT(&attrbits);
|
|
NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(NFSV4OP_GETFH);
|
|
*tl = txdr_unsigned(NFSV4OP_GETATTR);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
}
|
|
error = nfscl_request(nd, dvp, p, cred, dstuff);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_flag & ND_NFSV4)
|
|
error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp, NULL, dstuff);
|
|
if (!nd->nd_repstat && !error) {
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 5 * NFSX_UNSIGNED);
|
|
error = nfsrv_getattrbits(nd, &attrbits, NULL, NULL);
|
|
}
|
|
if (!error)
|
|
error = nfscl_mtofh(nd, nfhpp, nnap, attrflagp);
|
|
}
|
|
if ((nd->nd_flag & ND_NFSV3) && !error)
|
|
error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp, NULL, dstuff);
|
|
if (nd->nd_repstat && !error)
|
|
error = nd->nd_repstat;
|
|
nfsmout:
|
|
mbuf_freem(nd->nd_mrep);
|
|
/*
|
|
* Kludge: Map EEXIST => 0 assuming that you have a reply to a retry.
|
|
*/
|
|
if (error == EEXIST)
|
|
error = 0;
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs remove directory call
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_rmdir(vnode_t dvp, char *name, int namelen, struct ucred *cred,
|
|
NFSPROC_T *p, struct nfsvattr *dnap, int *dattrflagp, void *dstuff)
|
|
{
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
int error = 0;
|
|
|
|
*dattrflagp = 0;
|
|
if (namelen > NFS_MAXNAMLEN)
|
|
return (ENAMETOOLONG);
|
|
NFSCL_REQSTART(nd, NFSPROC_RMDIR, dvp);
|
|
(void) nfsm_strtom(nd, name, namelen);
|
|
error = nfscl_request(nd, dvp, p, cred, dstuff);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_flag & (ND_NFSV3 | ND_NFSV4))
|
|
error = nfscl_wcc_data(nd, dvp, dnap, dattrflagp, NULL, dstuff);
|
|
if (nd->nd_repstat && !error)
|
|
error = nd->nd_repstat;
|
|
mbuf_freem(nd->nd_mrep);
|
|
/*
|
|
* Kludge: Map ENOENT => 0 assuming that you have a reply to a retry.
|
|
*/
|
|
if (error == ENOENT)
|
|
error = 0;
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Readdir rpc.
|
|
* Always returns with either uio_resid unchanged, if you are at the
|
|
* end of the directory, or uio_resid == 0, with all DIRBLKSIZ chunks
|
|
* filled in.
|
|
* I felt this would allow caching of directory blocks more easily
|
|
* than returning a pertially filled block.
|
|
* Directory offset cookies:
|
|
* Oh my, what to do with them...
|
|
* I can think of three ways to deal with them:
|
|
* 1 - have the layer above these RPCs maintain a map between logical
|
|
* directory byte offsets and the NFS directory offset cookies
|
|
* 2 - pass the opaque directory offset cookies up into userland
|
|
* and let the libc functions deal with them, via the system call
|
|
* 3 - return them to userland in the "struct dirent", so future versions
|
|
* of libc can use them and do whatever is necessary to amke things work
|
|
* above these rpc calls, in the meantime
|
|
* For now, I do #3 by "hiding" the directory offset cookies after the
|
|
* d_name field in struct dirent. This is space inside d_reclen that
|
|
* will be ignored by anything that doesn't know about them.
|
|
* The directory offset cookies are filled in as the last 8 bytes of
|
|
* each directory entry, after d_name. Someday, the userland libc
|
|
* functions may be able to use these. In the meantime, it satisfies
|
|
* OpenBSD's requirements for cookies being returned.
|
|
* If expects the directory offset cookie for the read to be in uio_offset
|
|
* and returns the one for the next entry after this directory block in
|
|
* there, as well.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_readdir(vnode_t vp, struct uio *uiop, nfsuint64 *cookiep,
|
|
struct ucred *cred, NFSPROC_T *p, struct nfsvattr *nap, int *attrflagp,
|
|
int *eofp, void *stuff)
|
|
{
|
|
int len, left;
|
|
struct dirent *dp = NULL;
|
|
u_int32_t *tl;
|
|
nfsquad_t cookie, ncookie;
|
|
struct nfsmount *nmp = VFSTONFS(vnode_mount(vp));
|
|
struct nfsnode *dnp = VTONFS(vp);
|
|
struct nfsvattr nfsva;
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
int error = 0, tlen, more_dirs = 1, blksiz = 0, bigenough = 1;
|
|
int reqsize, tryformoredirs = 1, readsize, eof = 0, gotmnton = 0;
|
|
long dotfileid, dotdotfileid = 0;
|
|
u_int32_t fakefileno = 0xffffffff, rderr;
|
|
char *cp;
|
|
nfsattrbit_t attrbits, dattrbits;
|
|
u_int32_t *tl2 = NULL;
|
|
size_t tresid;
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if (uiop->uio_iovcnt != 1 || (uio_uio_resid(uiop) & (DIRBLKSIZ - 1)))
|
|
panic("nfs readdirrpc bad uio");
|
|
#endif
|
|
|
|
/*
|
|
* There is no point in reading a lot more than uio_resid, however
|
|
* adding one additional DIRBLKSIZ makes sense. Since uio_resid
|
|
* and nm_readdirsize are both exact multiples of DIRBLKSIZ, this
|
|
* will never make readsize > nm_readdirsize.
|
|
*/
|
|
readsize = nmp->nm_readdirsize;
|
|
if (readsize > uio_uio_resid(uiop))
|
|
readsize = uio_uio_resid(uiop) + DIRBLKSIZ;
|
|
|
|
*attrflagp = 0;
|
|
if (eofp)
|
|
*eofp = 0;
|
|
tresid = uio_uio_resid(uiop);
|
|
cookie.lval[0] = cookiep->nfsuquad[0];
|
|
cookie.lval[1] = cookiep->nfsuquad[1];
|
|
nd->nd_mrep = NULL;
|
|
|
|
/*
|
|
* For NFSv4, first create the "." and ".." entries.
|
|
*/
|
|
if (NFSHASNFSV4(nmp)) {
|
|
reqsize = 6 * NFSX_UNSIGNED;
|
|
NFSGETATTR_ATTRBIT(&dattrbits);
|
|
NFSZERO_ATTRBIT(&attrbits);
|
|
NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_FILEID);
|
|
NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_TYPE);
|
|
if (NFSISSET_ATTRBIT(&dnp->n_vattr.na_suppattr,
|
|
NFSATTRBIT_MOUNTEDONFILEID)) {
|
|
NFSSETBIT_ATTRBIT(&attrbits,
|
|
NFSATTRBIT_MOUNTEDONFILEID);
|
|
gotmnton = 1;
|
|
} else {
|
|
/*
|
|
* Must fake it. Use the fileno, except when the
|
|
* fsid is != to that of the directory. For that
|
|
* case, generate a fake fileno that is not the same.
|
|
*/
|
|
NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_FSID);
|
|
gotmnton = 0;
|
|
}
|
|
|
|
/*
|
|
* Joy, oh joy. For V4 we get to hand craft '.' and '..'.
|
|
*/
|
|
if (uiop->uio_offset == 0) {
|
|
#if defined(__FreeBSD_version) && __FreeBSD_version >= 800000
|
|
error = VOP_GETATTR(vp, &nfsva.na_vattr, cred);
|
|
#else
|
|
error = VOP_GETATTR(vp, &nfsva.na_vattr, cred, p);
|
|
#endif
|
|
if (error)
|
|
return (error);
|
|
dotfileid = nfsva.na_fileid;
|
|
NFSCL_REQSTART(nd, NFSPROC_LOOKUPP, vp);
|
|
NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(NFSV4OP_GETFH);
|
|
*tl = txdr_unsigned(NFSV4OP_GETATTR);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
error = nfscl_request(nd, vp, p, cred, stuff);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_repstat == 0) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 3*NFSX_UNSIGNED);
|
|
len = fxdr_unsigned(int, *(tl + 2));
|
|
if (len > 0 && len <= NFSX_V4FHMAX)
|
|
error = nfsm_advance(nd, NFSM_RNDUP(len), -1);
|
|
else
|
|
error = EPERM;
|
|
if (!error) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 2*NFSX_UNSIGNED);
|
|
nfsva.na_mntonfileno = 0xffffffff;
|
|
error = nfsv4_loadattr(nd, NULL, &nfsva, NULL,
|
|
NULL, 0, NULL, NULL, NULL, NULL, NULL, 0,
|
|
NULL, NULL, NULL, p, cred);
|
|
if (error) {
|
|
dotdotfileid = dotfileid;
|
|
} else if (gotmnton) {
|
|
if (nfsva.na_mntonfileno != 0xffffffff)
|
|
dotdotfileid = nfsva.na_mntonfileno;
|
|
else
|
|
dotdotfileid = nfsva.na_fileid;
|
|
} else if (nfsva.na_filesid[0] ==
|
|
dnp->n_vattr.na_filesid[0] &&
|
|
nfsva.na_filesid[1] ==
|
|
dnp->n_vattr.na_filesid[1]) {
|
|
dotdotfileid = nfsva.na_fileid;
|
|
} else {
|
|
do {
|
|
fakefileno--;
|
|
} while (fakefileno ==
|
|
nfsva.na_fileid);
|
|
dotdotfileid = fakefileno;
|
|
}
|
|
}
|
|
} else if (nd->nd_repstat == NFSERR_NOENT) {
|
|
/*
|
|
* Lookupp returns NFSERR_NOENT when we are
|
|
* at the root, so just use the current dir.
|
|
*/
|
|
nd->nd_repstat = 0;
|
|
dotdotfileid = dotfileid;
|
|
} else {
|
|
error = nd->nd_repstat;
|
|
}
|
|
mbuf_freem(nd->nd_mrep);
|
|
if (error)
|
|
return (error);
|
|
nd->nd_mrep = NULL;
|
|
dp = (struct dirent *) CAST_DOWN(caddr_t, uio_iov_base(uiop));
|
|
dp->d_type = DT_DIR;
|
|
dp->d_fileno = dotfileid;
|
|
dp->d_namlen = 1;
|
|
dp->d_name[0] = '.';
|
|
dp->d_name[1] = '\0';
|
|
dp->d_reclen = DIRENT_SIZE(dp) + NFSX_HYPER;
|
|
/*
|
|
* Just make these offset cookie 0.
|
|
*/
|
|
tl = (u_int32_t *)&dp->d_name[4];
|
|
*tl++ = 0;
|
|
*tl = 0;
|
|
blksiz += dp->d_reclen;
|
|
uio_uio_resid_add(uiop, -(dp->d_reclen));
|
|
uiop->uio_offset += dp->d_reclen;
|
|
uio_iov_base_add(uiop, dp->d_reclen);
|
|
uio_iov_len_add(uiop, -(dp->d_reclen));
|
|
dp = (struct dirent *) CAST_DOWN(caddr_t, uio_iov_base(uiop));
|
|
dp->d_type = DT_DIR;
|
|
dp->d_fileno = dotdotfileid;
|
|
dp->d_namlen = 2;
|
|
dp->d_name[0] = '.';
|
|
dp->d_name[1] = '.';
|
|
dp->d_name[2] = '\0';
|
|
dp->d_reclen = DIRENT_SIZE(dp) + NFSX_HYPER;
|
|
/*
|
|
* Just make these offset cookie 0.
|
|
*/
|
|
tl = (u_int32_t *)&dp->d_name[4];
|
|
*tl++ = 0;
|
|
*tl = 0;
|
|
blksiz += dp->d_reclen;
|
|
uio_uio_resid_add(uiop, -(dp->d_reclen));
|
|
uiop->uio_offset += dp->d_reclen;
|
|
uio_iov_base_add(uiop, dp->d_reclen);
|
|
uio_iov_len_add(uiop, -(dp->d_reclen));
|
|
}
|
|
NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_RDATTRERROR);
|
|
} else {
|
|
reqsize = 5 * NFSX_UNSIGNED;
|
|
}
|
|
|
|
|
|
/*
|
|
* Loop around doing readdir rpc's of size readsize.
|
|
* The stopping criteria is EOF or buffer full.
|
|
*/
|
|
while (more_dirs && bigenough) {
|
|
*attrflagp = 0;
|
|
NFSCL_REQSTART(nd, NFSPROC_READDIR, vp);
|
|
if (nd->nd_flag & ND_NFSV2) {
|
|
NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
*tl++ = cookie.lval[1];
|
|
*tl = txdr_unsigned(readsize);
|
|
} else {
|
|
NFSM_BUILD(tl, u_int32_t *, reqsize);
|
|
*tl++ = cookie.lval[0];
|
|
*tl++ = cookie.lval[1];
|
|
if (cookie.qval == 0) {
|
|
*tl++ = 0;
|
|
*tl++ = 0;
|
|
} else {
|
|
NFSLOCKNODE(dnp);
|
|
*tl++ = dnp->n_cookieverf.nfsuquad[0];
|
|
*tl++ = dnp->n_cookieverf.nfsuquad[1];
|
|
NFSUNLOCKNODE(dnp);
|
|
}
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
*tl++ = txdr_unsigned(readsize);
|
|
*tl = txdr_unsigned(readsize);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OP_GETATTR);
|
|
(void) nfsrv_putattrbit(nd, &dattrbits);
|
|
} else {
|
|
*tl = txdr_unsigned(readsize);
|
|
}
|
|
}
|
|
error = nfscl_request(nd, vp, p, cred, stuff);
|
|
if (error)
|
|
return (error);
|
|
if (!(nd->nd_flag & ND_NFSV2)) {
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
error = nfscl_postop_attr(nd, nap, attrflagp,
|
|
stuff);
|
|
if (!nd->nd_repstat && !error) {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_HYPER);
|
|
NFSLOCKNODE(dnp);
|
|
dnp->n_cookieverf.nfsuquad[0] = *tl++;
|
|
dnp->n_cookieverf.nfsuquad[1] = *tl;
|
|
NFSUNLOCKNODE(dnp);
|
|
}
|
|
}
|
|
if (nd->nd_repstat || error) {
|
|
if (!error)
|
|
error = nd->nd_repstat;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
more_dirs = fxdr_unsigned(int, *tl);
|
|
if (!more_dirs)
|
|
tryformoredirs = 0;
|
|
|
|
/* loop thru the dir entries, doctoring them to 4bsd form */
|
|
while (more_dirs && bigenough) {
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 3*NFSX_UNSIGNED);
|
|
ncookie.lval[0] = *tl++;
|
|
ncookie.lval[1] = *tl++;
|
|
len = fxdr_unsigned(int, *tl);
|
|
} else if (nd->nd_flag & ND_NFSV3) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 3*NFSX_UNSIGNED);
|
|
nfsva.na_fileid =
|
|
fxdr_unsigned(long, *++tl);
|
|
len = fxdr_unsigned(int, *++tl);
|
|
} else {
|
|
NFSM_DISSECT(tl, u_int32_t *, 2*NFSX_UNSIGNED);
|
|
nfsva.na_fileid =
|
|
fxdr_unsigned(long, *tl++);
|
|
len = fxdr_unsigned(int, *tl);
|
|
}
|
|
if (len <= 0 || len > NFS_MAXNAMLEN) {
|
|
error = EBADRPC;
|
|
goto nfsmout;
|
|
}
|
|
tlen = NFSM_RNDUP(len);
|
|
if (tlen == len)
|
|
tlen += 4; /* To ensure null termination */
|
|
left = DIRBLKSIZ - blksiz;
|
|
if ((int)(tlen + DIRHDSIZ + NFSX_HYPER) > left) {
|
|
dp->d_reclen += left;
|
|
uio_iov_base_add(uiop, left);
|
|
uio_iov_len_add(uiop, -(left));
|
|
uio_uio_resid_add(uiop, -(left));
|
|
uiop->uio_offset += left;
|
|
blksiz = 0;
|
|
}
|
|
if ((int)(tlen + DIRHDSIZ + NFSX_HYPER) > uio_uio_resid(uiop))
|
|
bigenough = 0;
|
|
if (bigenough) {
|
|
dp = (struct dirent *) CAST_DOWN(caddr_t, uio_iov_base(uiop));
|
|
dp->d_namlen = len;
|
|
dp->d_reclen = tlen + DIRHDSIZ + NFSX_HYPER;
|
|
dp->d_type = DT_UNKNOWN;
|
|
blksiz += dp->d_reclen;
|
|
if (blksiz == DIRBLKSIZ)
|
|
blksiz = 0;
|
|
uio_uio_resid_add(uiop, -(DIRHDSIZ));
|
|
uiop->uio_offset += DIRHDSIZ;
|
|
uio_iov_base_add(uiop, DIRHDSIZ);
|
|
uio_iov_len_add(uiop, -(DIRHDSIZ));
|
|
error = nfsm_mbufuio(nd, uiop, len);
|
|
if (error)
|
|
goto nfsmout;
|
|
cp = CAST_DOWN(caddr_t, uio_iov_base(uiop));
|
|
tlen -= len;
|
|
*cp = '\0'; /* null terminate */
|
|
cp += tlen; /* points to cookie storage */
|
|
tl2 = (u_int32_t *)cp;
|
|
uio_iov_base_add(uiop, (tlen + NFSX_HYPER));
|
|
uio_iov_len_add(uiop, -(tlen + NFSX_HYPER));
|
|
uio_uio_resid_add(uiop, -(tlen + NFSX_HYPER));
|
|
uiop->uio_offset += (tlen + NFSX_HYPER);
|
|
} else {
|
|
error = nfsm_advance(nd, NFSM_RNDUP(len), -1);
|
|
if (error)
|
|
goto nfsmout;
|
|
}
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
rderr = 0;
|
|
nfsva.na_mntonfileno = 0xffffffff;
|
|
error = nfsv4_loadattr(nd, NULL, &nfsva, NULL,
|
|
NULL, 0, NULL, NULL, NULL, NULL, NULL, 0,
|
|
NULL, NULL, &rderr, p, cred);
|
|
if (error)
|
|
goto nfsmout;
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
} else if (nd->nd_flag & ND_NFSV3) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 3*NFSX_UNSIGNED);
|
|
ncookie.lval[0] = *tl++;
|
|
ncookie.lval[1] = *tl++;
|
|
} else {
|
|
NFSM_DISSECT(tl, u_int32_t *, 2*NFSX_UNSIGNED);
|
|
ncookie.lval[0] = 0;
|
|
ncookie.lval[1] = *tl++;
|
|
}
|
|
if (bigenough) {
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
if (rderr) {
|
|
dp->d_fileno = 0;
|
|
} else {
|
|
if (gotmnton) {
|
|
if (nfsva.na_mntonfileno != 0xffffffff)
|
|
dp->d_fileno = nfsva.na_mntonfileno;
|
|
else
|
|
dp->d_fileno = nfsva.na_fileid;
|
|
} else if (nfsva.na_filesid[0] ==
|
|
dnp->n_vattr.na_filesid[0] &&
|
|
nfsva.na_filesid[1] ==
|
|
dnp->n_vattr.na_filesid[1]) {
|
|
dp->d_fileno = nfsva.na_fileid;
|
|
} else {
|
|
do {
|
|
fakefileno--;
|
|
} while (fakefileno ==
|
|
nfsva.na_fileid);
|
|
dp->d_fileno = fakefileno;
|
|
}
|
|
dp->d_type = vtonfs_dtype(nfsva.na_type);
|
|
}
|
|
} else {
|
|
dp->d_fileno = nfsva.na_fileid;
|
|
}
|
|
*tl2++ = cookiep->nfsuquad[0] = cookie.lval[0] =
|
|
ncookie.lval[0];
|
|
*tl2 = cookiep->nfsuquad[1] = cookie.lval[1] =
|
|
ncookie.lval[1];
|
|
}
|
|
more_dirs = fxdr_unsigned(int, *tl);
|
|
}
|
|
/*
|
|
* If at end of rpc data, get the eof boolean
|
|
*/
|
|
if (!more_dirs) {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
eof = fxdr_unsigned(int, *tl);
|
|
if (tryformoredirs)
|
|
more_dirs = !eof;
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
error = nfscl_postop_attr(nd, nap, attrflagp,
|
|
stuff);
|
|
if (error)
|
|
goto nfsmout;
|
|
}
|
|
}
|
|
mbuf_freem(nd->nd_mrep);
|
|
nd->nd_mrep = NULL;
|
|
}
|
|
/*
|
|
* Fill last record, iff any, out to a multiple of DIRBLKSIZ
|
|
* by increasing d_reclen for the last record.
|
|
*/
|
|
if (blksiz > 0) {
|
|
left = DIRBLKSIZ - blksiz;
|
|
dp->d_reclen += left;
|
|
uio_iov_base_add(uiop, left);
|
|
uio_iov_len_add(uiop, -(left));
|
|
uio_uio_resid_add(uiop, -(left));
|
|
uiop->uio_offset += left;
|
|
}
|
|
|
|
/*
|
|
* If returning no data, assume end of file.
|
|
* If not bigenough, return not end of file, since you aren't
|
|
* returning all the data
|
|
* Otherwise, return the eof flag from the server.
|
|
*/
|
|
if (eofp) {
|
|
if (tresid == ((size_t)(uio_uio_resid(uiop))))
|
|
*eofp = 1;
|
|
else if (!bigenough)
|
|
*eofp = 0;
|
|
else
|
|
*eofp = eof;
|
|
}
|
|
|
|
/*
|
|
* Add extra empty records to any remaining DIRBLKSIZ chunks.
|
|
*/
|
|
while (uio_uio_resid(uiop) > 0 && ((size_t)(uio_uio_resid(uiop))) != tresid) {
|
|
dp = (struct dirent *) CAST_DOWN(caddr_t, uio_iov_base(uiop));
|
|
dp->d_type = DT_UNKNOWN;
|
|
dp->d_fileno = 0;
|
|
dp->d_namlen = 0;
|
|
dp->d_name[0] = '\0';
|
|
tl = (u_int32_t *)&dp->d_name[4];
|
|
*tl++ = cookie.lval[0];
|
|
*tl = cookie.lval[1];
|
|
dp->d_reclen = DIRBLKSIZ;
|
|
uio_iov_base_add(uiop, DIRBLKSIZ);
|
|
uio_iov_len_add(uiop, -(DIRBLKSIZ));
|
|
uio_uio_resid_add(uiop, -(DIRBLKSIZ));
|
|
uiop->uio_offset += DIRBLKSIZ;
|
|
}
|
|
|
|
nfsmout:
|
|
if (nd->nd_mrep != NULL)
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
#ifndef APPLE
|
|
/*
|
|
* NFS V3 readdir plus RPC. Used in place of nfsrpc_readdir().
|
|
* (Also used for NFS V4 when mount flag set.)
|
|
* (ditto above w.r.t. multiple of DIRBLKSIZ, etc.)
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_readdirplus(vnode_t vp, struct uio *uiop, nfsuint64 *cookiep,
|
|
struct ucred *cred, NFSPROC_T *p, struct nfsvattr *nap, int *attrflagp,
|
|
int *eofp, void *stuff)
|
|
{
|
|
int len, left;
|
|
struct dirent *dp = NULL;
|
|
u_int32_t *tl;
|
|
vnode_t newvp = NULLVP;
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
struct nameidata nami, *ndp = &nami;
|
|
struct componentname *cnp = &ndp->ni_cnd;
|
|
struct nfsmount *nmp = VFSTONFS(vnode_mount(vp));
|
|
struct nfsnode *dnp = VTONFS(vp), *np;
|
|
struct nfsvattr nfsva;
|
|
struct nfsfh *nfhp;
|
|
nfsquad_t cookie, ncookie;
|
|
int error = 0, tlen, more_dirs = 1, blksiz = 0, bigenough = 1;
|
|
int attrflag, tryformoredirs = 1, eof = 0, gotmnton = 0;
|
|
int unlocknewvp = 0;
|
|
long dotfileid, dotdotfileid = 0, fileno = 0;
|
|
char *cp;
|
|
nfsattrbit_t attrbits, dattrbits;
|
|
size_t tresid;
|
|
u_int32_t *tl2 = NULL, fakefileno = 0xffffffff, rderr;
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if (uiop->uio_iovcnt != 1 || (uio_uio_resid(uiop) & (DIRBLKSIZ - 1)))
|
|
panic("nfs readdirplusrpc bad uio");
|
|
#endif
|
|
*attrflagp = 0;
|
|
if (eofp != NULL)
|
|
*eofp = 0;
|
|
ndp->ni_dvp = vp;
|
|
nd->nd_mrep = NULL;
|
|
cookie.lval[0] = cookiep->nfsuquad[0];
|
|
cookie.lval[1] = cookiep->nfsuquad[1];
|
|
tresid = uio_uio_resid(uiop);
|
|
|
|
/*
|
|
* For NFSv4, first create the "." and ".." entries.
|
|
*/
|
|
if (NFSHASNFSV4(nmp)) {
|
|
NFSGETATTR_ATTRBIT(&dattrbits);
|
|
NFSZERO_ATTRBIT(&attrbits);
|
|
NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_FILEID);
|
|
if (NFSISSET_ATTRBIT(&dnp->n_vattr.na_suppattr,
|
|
NFSATTRBIT_MOUNTEDONFILEID)) {
|
|
NFSSETBIT_ATTRBIT(&attrbits,
|
|
NFSATTRBIT_MOUNTEDONFILEID);
|
|
gotmnton = 1;
|
|
} else {
|
|
/*
|
|
* Must fake it. Use the fileno, except when the
|
|
* fsid is != to that of the directory. For that
|
|
* case, generate a fake fileno that is not the same.
|
|
*/
|
|
NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_FSID);
|
|
gotmnton = 0;
|
|
}
|
|
|
|
/*
|
|
* Joy, oh joy. For V4 we get to hand craft '.' and '..'.
|
|
*/
|
|
if (uiop->uio_offset == 0) {
|
|
#if defined(__FreeBSD_version) && __FreeBSD_version >= 800000
|
|
error = VOP_GETATTR(vp, &nfsva.na_vattr, cred);
|
|
#else
|
|
error = VOP_GETATTR(vp, &nfsva.na_vattr, cred, p);
|
|
#endif
|
|
if (error)
|
|
return (error);
|
|
dotfileid = nfsva.na_fileid;
|
|
NFSCL_REQSTART(nd, NFSPROC_LOOKUPP, vp);
|
|
NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(NFSV4OP_GETFH);
|
|
*tl = txdr_unsigned(NFSV4OP_GETATTR);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
error = nfscl_request(nd, vp, p, cred, stuff);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_repstat == 0) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 3*NFSX_UNSIGNED);
|
|
len = fxdr_unsigned(int, *(tl + 2));
|
|
if (len > 0 && len <= NFSX_V4FHMAX)
|
|
error = nfsm_advance(nd, NFSM_RNDUP(len), -1);
|
|
else
|
|
error = EPERM;
|
|
if (!error) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 2*NFSX_UNSIGNED);
|
|
nfsva.na_mntonfileno = 0xffffffff;
|
|
error = nfsv4_loadattr(nd, NULL, &nfsva, NULL,
|
|
NULL, 0, NULL, NULL, NULL, NULL, NULL, 0,
|
|
NULL, NULL, NULL, p, cred);
|
|
if (error) {
|
|
dotdotfileid = dotfileid;
|
|
} else if (gotmnton) {
|
|
if (nfsva.na_mntonfileno != 0xffffffff)
|
|
dotdotfileid = nfsva.na_mntonfileno;
|
|
else
|
|
dotdotfileid = nfsva.na_fileid;
|
|
} else if (nfsva.na_filesid[0] ==
|
|
dnp->n_vattr.na_filesid[0] &&
|
|
nfsva.na_filesid[1] ==
|
|
dnp->n_vattr.na_filesid[1]) {
|
|
dotdotfileid = nfsva.na_fileid;
|
|
} else {
|
|
do {
|
|
fakefileno--;
|
|
} while (fakefileno ==
|
|
nfsva.na_fileid);
|
|
dotdotfileid = fakefileno;
|
|
}
|
|
}
|
|
} else if (nd->nd_repstat == NFSERR_NOENT) {
|
|
/*
|
|
* Lookupp returns NFSERR_NOENT when we are
|
|
* at the root, so just use the current dir.
|
|
*/
|
|
nd->nd_repstat = 0;
|
|
dotdotfileid = dotfileid;
|
|
} else {
|
|
error = nd->nd_repstat;
|
|
}
|
|
mbuf_freem(nd->nd_mrep);
|
|
if (error)
|
|
return (error);
|
|
nd->nd_mrep = NULL;
|
|
dp = (struct dirent *)uio_iov_base(uiop);
|
|
dp->d_type = DT_DIR;
|
|
dp->d_fileno = dotfileid;
|
|
dp->d_namlen = 1;
|
|
dp->d_name[0] = '.';
|
|
dp->d_name[1] = '\0';
|
|
dp->d_reclen = DIRENT_SIZE(dp) + NFSX_HYPER;
|
|
/*
|
|
* Just make these offset cookie 0.
|
|
*/
|
|
tl = (u_int32_t *)&dp->d_name[4];
|
|
*tl++ = 0;
|
|
*tl = 0;
|
|
blksiz += dp->d_reclen;
|
|
uio_uio_resid_add(uiop, -(dp->d_reclen));
|
|
uiop->uio_offset += dp->d_reclen;
|
|
uio_iov_base_add(uiop, dp->d_reclen);
|
|
uio_iov_len_add(uiop, -(dp->d_reclen));
|
|
dp = (struct dirent *)uio_iov_base(uiop);
|
|
dp->d_type = DT_DIR;
|
|
dp->d_fileno = dotdotfileid;
|
|
dp->d_namlen = 2;
|
|
dp->d_name[0] = '.';
|
|
dp->d_name[1] = '.';
|
|
dp->d_name[2] = '\0';
|
|
dp->d_reclen = DIRENT_SIZE(dp) + NFSX_HYPER;
|
|
/*
|
|
* Just make these offset cookie 0.
|
|
*/
|
|
tl = (u_int32_t *)&dp->d_name[4];
|
|
*tl++ = 0;
|
|
*tl = 0;
|
|
blksiz += dp->d_reclen;
|
|
uio_uio_resid_add(uiop, -(dp->d_reclen));
|
|
uiop->uio_offset += dp->d_reclen;
|
|
uio_iov_base_add(uiop, dp->d_reclen);
|
|
uio_iov_len_add(uiop, -(dp->d_reclen));
|
|
}
|
|
NFSREADDIRPLUS_ATTRBIT(&attrbits);
|
|
if (gotmnton)
|
|
NFSSETBIT_ATTRBIT(&attrbits,
|
|
NFSATTRBIT_MOUNTEDONFILEID);
|
|
}
|
|
|
|
/*
|
|
* Loop around doing readdir rpc's of size nm_readdirsize.
|
|
* The stopping criteria is EOF or buffer full.
|
|
*/
|
|
while (more_dirs && bigenough) {
|
|
*attrflagp = 0;
|
|
NFSCL_REQSTART(nd, NFSPROC_READDIRPLUS, vp);
|
|
NFSM_BUILD(tl, u_int32_t *, 6 * NFSX_UNSIGNED);
|
|
*tl++ = cookie.lval[0];
|
|
*tl++ = cookie.lval[1];
|
|
if (cookie.qval == 0) {
|
|
*tl++ = 0;
|
|
*tl++ = 0;
|
|
} else {
|
|
NFSLOCKNODE(dnp);
|
|
*tl++ = dnp->n_cookieverf.nfsuquad[0];
|
|
*tl++ = dnp->n_cookieverf.nfsuquad[1];
|
|
NFSUNLOCKNODE(dnp);
|
|
}
|
|
*tl++ = txdr_unsigned(nmp->nm_readdirsize);
|
|
*tl = txdr_unsigned(nmp->nm_readdirsize);
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OP_GETATTR);
|
|
(void) nfsrv_putattrbit(nd, &dattrbits);
|
|
}
|
|
error = nfscl_request(nd, vp, p, cred, stuff);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_flag & ND_NFSV3)
|
|
error = nfscl_postop_attr(nd, nap, attrflagp, stuff);
|
|
if (nd->nd_repstat || error) {
|
|
if (!error)
|
|
error = nd->nd_repstat;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
|
|
NFSLOCKNODE(dnp);
|
|
dnp->n_cookieverf.nfsuquad[0] = *tl++;
|
|
dnp->n_cookieverf.nfsuquad[1] = *tl++;
|
|
NFSUNLOCKNODE(dnp);
|
|
more_dirs = fxdr_unsigned(int, *tl);
|
|
if (!more_dirs)
|
|
tryformoredirs = 0;
|
|
|
|
/* loop thru the dir entries, doctoring them to 4bsd form */
|
|
while (more_dirs && bigenough) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
ncookie.lval[0] = *tl++;
|
|
ncookie.lval[1] = *tl++;
|
|
} else {
|
|
fileno = fxdr_unsigned(long, *++tl);
|
|
tl++;
|
|
}
|
|
len = fxdr_unsigned(int, *tl);
|
|
if (len <= 0 || len > NFS_MAXNAMLEN) {
|
|
error = EBADRPC;
|
|
goto nfsmout;
|
|
}
|
|
tlen = NFSM_RNDUP(len);
|
|
if (tlen == len)
|
|
tlen += 4; /* To ensure null termination */
|
|
left = DIRBLKSIZ - blksiz;
|
|
if ((tlen + DIRHDSIZ + NFSX_HYPER) > left) {
|
|
dp->d_reclen += left;
|
|
uio_iov_base_add(uiop, left);
|
|
uio_iov_len_add(uiop, -(left));
|
|
uio_uio_resid_add(uiop, -(left));
|
|
uiop->uio_offset += left;
|
|
blksiz = 0;
|
|
}
|
|
if ((tlen + DIRHDSIZ + NFSX_HYPER) > uio_uio_resid(uiop))
|
|
bigenough = 0;
|
|
if (bigenough) {
|
|
dp = (struct dirent *)uio_iov_base(uiop);
|
|
dp->d_namlen = len;
|
|
dp->d_reclen = tlen + DIRHDSIZ + NFSX_HYPER;
|
|
dp->d_type = DT_UNKNOWN;
|
|
blksiz += dp->d_reclen;
|
|
if (blksiz == DIRBLKSIZ)
|
|
blksiz = 0;
|
|
uio_uio_resid_add(uiop, -(DIRHDSIZ));
|
|
uiop->uio_offset += DIRHDSIZ;
|
|
uio_iov_base_add(uiop, DIRHDSIZ);
|
|
uio_iov_len_add(uiop, -(DIRHDSIZ));
|
|
cnp->cn_nameptr = uio_iov_base(uiop);
|
|
cnp->cn_namelen = len;
|
|
NFSCNHASHZERO(cnp);
|
|
error = nfsm_mbufuio(nd, uiop, len);
|
|
if (error)
|
|
goto nfsmout;
|
|
cp = uio_iov_base(uiop);
|
|
tlen -= len;
|
|
*cp = '\0';
|
|
cp += tlen; /* points to cookie storage */
|
|
tl2 = (u_int32_t *)cp;
|
|
uio_iov_base_add(uiop, (tlen + NFSX_HYPER));
|
|
uio_iov_len_add(uiop, -(tlen + NFSX_HYPER));
|
|
uio_uio_resid_add(uiop, -(tlen + NFSX_HYPER));
|
|
uiop->uio_offset += (tlen + NFSX_HYPER);
|
|
} else {
|
|
error = nfsm_advance(nd, NFSM_RNDUP(len), -1);
|
|
if (error)
|
|
goto nfsmout;
|
|
}
|
|
nfhp = NULL;
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 3*NFSX_UNSIGNED);
|
|
ncookie.lval[0] = *tl++;
|
|
ncookie.lval[1] = *tl++;
|
|
attrflag = fxdr_unsigned(int, *tl);
|
|
if (attrflag) {
|
|
error = nfsm_loadattr(nd, &nfsva);
|
|
if (error)
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl,u_int32_t *,NFSX_UNSIGNED);
|
|
if (*tl) {
|
|
error = nfsm_getfh(nd, &nfhp);
|
|
if (error)
|
|
goto nfsmout;
|
|
}
|
|
if (!attrflag && nfhp != NULL) {
|
|
FREE((caddr_t)nfhp, M_NFSFH);
|
|
nfhp = NULL;
|
|
}
|
|
} else {
|
|
rderr = 0;
|
|
nfsva.na_mntonfileno = 0xffffffff;
|
|
error = nfsv4_loadattr(nd, NULL, &nfsva, &nfhp,
|
|
NULL, 0, NULL, NULL, NULL, NULL, NULL, 0,
|
|
NULL, NULL, &rderr, p, cred);
|
|
if (error)
|
|
goto nfsmout;
|
|
}
|
|
|
|
if (bigenough) {
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
if (rderr) {
|
|
dp->d_fileno = 0;
|
|
} else if (gotmnton) {
|
|
if (nfsva.na_mntonfileno != 0xffffffff)
|
|
dp->d_fileno = nfsva.na_mntonfileno;
|
|
else
|
|
dp->d_fileno = nfsva.na_fileid;
|
|
} else if (nfsva.na_filesid[0] ==
|
|
dnp->n_vattr.na_filesid[0] &&
|
|
nfsva.na_filesid[1] ==
|
|
dnp->n_vattr.na_filesid[1]) {
|
|
dp->d_fileno = nfsva.na_fileid;
|
|
} else {
|
|
do {
|
|
fakefileno--;
|
|
} while (fakefileno ==
|
|
nfsva.na_fileid);
|
|
dp->d_fileno = fakefileno;
|
|
}
|
|
} else {
|
|
dp->d_fileno = fileno;
|
|
}
|
|
*tl2++ = cookiep->nfsuquad[0] = cookie.lval[0] =
|
|
ncookie.lval[0];
|
|
*tl2 = cookiep->nfsuquad[1] = cookie.lval[1] =
|
|
ncookie.lval[1];
|
|
|
|
if (nfhp != NULL) {
|
|
if (NFSRV_CMPFH(nfhp->nfh_fh, nfhp->nfh_len,
|
|
dnp->n_fhp->nfh_fh, dnp->n_fhp->nfh_len)) {
|
|
VREF(vp);
|
|
newvp = vp;
|
|
unlocknewvp = 0;
|
|
FREE((caddr_t)nfhp, M_NFSFH);
|
|
np = dnp;
|
|
} else {
|
|
error = nfscl_nget(vnode_mount(vp), vp,
|
|
nfhp, cnp, p, &np, NULL);
|
|
if (!error) {
|
|
newvp = NFSTOV(np);
|
|
unlocknewvp = 1;
|
|
}
|
|
}
|
|
nfhp = NULL;
|
|
if (newvp != NULLVP) {
|
|
error = nfscl_loadattrcache(&newvp,
|
|
&nfsva, NULL, NULL, 0, 0);
|
|
if (error) {
|
|
if (unlocknewvp)
|
|
vput(newvp);
|
|
else
|
|
vrele(newvp);
|
|
goto nfsmout;
|
|
}
|
|
dp->d_type =
|
|
vtonfs_dtype(np->n_vattr.na_type);
|
|
ndp->ni_vp = newvp;
|
|
NFSCNHASH(cnp, HASHINIT);
|
|
if (cnp->cn_namelen <= NCHNAMLEN) {
|
|
np->n_ctime =
|
|
np->n_vattr.na_ctime.tv_sec;
|
|
cache_enter(ndp->ni_dvp,ndp->ni_vp,cnp);
|
|
}
|
|
if (unlocknewvp)
|
|
vput(newvp);
|
|
else
|
|
vrele(newvp);
|
|
newvp = NULLVP;
|
|
}
|
|
}
|
|
} else if (nfhp != NULL) {
|
|
FREE((caddr_t)nfhp, M_NFSFH);
|
|
}
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
more_dirs = fxdr_unsigned(int, *tl);
|
|
}
|
|
/*
|
|
* If at end of rpc data, get the eof boolean
|
|
*/
|
|
if (!more_dirs) {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
eof = fxdr_unsigned(int, *tl);
|
|
if (tryformoredirs)
|
|
more_dirs = !eof;
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
error = nfscl_postop_attr(nd, nap, attrflagp,
|
|
stuff);
|
|
if (error)
|
|
goto nfsmout;
|
|
}
|
|
}
|
|
mbuf_freem(nd->nd_mrep);
|
|
nd->nd_mrep = NULL;
|
|
}
|
|
/*
|
|
* Fill last record, iff any, out to a multiple of DIRBLKSIZ
|
|
* by increasing d_reclen for the last record.
|
|
*/
|
|
if (blksiz > 0) {
|
|
left = DIRBLKSIZ - blksiz;
|
|
dp->d_reclen += left;
|
|
uio_iov_base_add(uiop, left);
|
|
uio_iov_len_add(uiop, -(left));
|
|
uio_uio_resid_add(uiop, -(left));
|
|
uiop->uio_offset += left;
|
|
}
|
|
|
|
/*
|
|
* If returning no data, assume end of file.
|
|
* If not bigenough, return not end of file, since you aren't
|
|
* returning all the data
|
|
* Otherwise, return the eof flag from the server.
|
|
*/
|
|
if (eofp != NULL) {
|
|
if (tresid == uio_uio_resid(uiop))
|
|
*eofp = 1;
|
|
else if (!bigenough)
|
|
*eofp = 0;
|
|
else
|
|
*eofp = eof;
|
|
}
|
|
|
|
/*
|
|
* Add extra empty records to any remaining DIRBLKSIZ chunks.
|
|
*/
|
|
while (uio_uio_resid(uiop) > 0 && uio_uio_resid(uiop) != tresid) {
|
|
dp = (struct dirent *)uio_iov_base(uiop);
|
|
dp->d_type = DT_UNKNOWN;
|
|
dp->d_fileno = 0;
|
|
dp->d_namlen = 0;
|
|
dp->d_name[0] = '\0';
|
|
tl = (u_int32_t *)&dp->d_name[4];
|
|
*tl++ = cookie.lval[0];
|
|
*tl = cookie.lval[1];
|
|
dp->d_reclen = DIRBLKSIZ;
|
|
uio_iov_base_add(uiop, DIRBLKSIZ);
|
|
uio_iov_len_add(uiop, -(DIRBLKSIZ));
|
|
uio_uio_resid_add(uiop, -(DIRBLKSIZ));
|
|
uiop->uio_offset += DIRBLKSIZ;
|
|
}
|
|
|
|
nfsmout:
|
|
if (nd->nd_mrep != NULL)
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
#endif /* !APPLE */
|
|
|
|
/*
|
|
* Nfs commit rpc
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_commit(vnode_t vp, u_quad_t offset, int cnt, struct ucred *cred,
|
|
NFSPROC_T *p, u_char *verfp, struct nfsvattr *nap, int *attrflagp,
|
|
void *stuff)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
nfsattrbit_t attrbits;
|
|
int error;
|
|
|
|
*attrflagp = 0;
|
|
NFSCL_REQSTART(nd, NFSPROC_COMMIT, vp);
|
|
NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
|
|
txdr_hyper(offset, tl);
|
|
tl += 2;
|
|
*tl = txdr_unsigned(cnt);
|
|
if (nd->nd_flag & ND_NFSV4) {
|
|
/*
|
|
* And do a Getattr op.
|
|
*/
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OP_GETATTR);
|
|
NFSGETATTR_ATTRBIT(&attrbits);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
}
|
|
error = nfscl_request(nd, vp, p, cred, stuff);
|
|
if (error)
|
|
return (error);
|
|
error = nfscl_wcc_data(nd, vp, nap, attrflagp, NULL, stuff);
|
|
if (!error && !nd->nd_repstat) {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_VERF);
|
|
NFSBCOPY((caddr_t)tl, verfp, NFSX_VERF);
|
|
if (nd->nd_flag & ND_NFSV4)
|
|
error = nfscl_postop_attr(nd, nap, attrflagp, stuff);
|
|
}
|
|
nfsmout:
|
|
if (!error && nd->nd_repstat)
|
|
error = nd->nd_repstat;
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* NFS byte range lock rpc.
|
|
* (Mostly just calls one of the three lower level RPC routines.)
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_advlock(vnode_t vp, off_t size, int op, struct flock *fl,
|
|
int reclaim, struct ucred *cred, NFSPROC_T *p)
|
|
{
|
|
struct nfscllockowner *lp;
|
|
struct nfsclclient *clp;
|
|
struct nfsfh *nfhp;
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
struct nfsmount *nmp = VFSTONFS(vnode_mount(vp));
|
|
u_int64_t off, len;
|
|
off_t start, end;
|
|
u_int32_t clidrev = 0;
|
|
int error = 0, newone = 0, expireret = 0, retrycnt, donelocally;
|
|
int callcnt, dorpc;
|
|
|
|
/*
|
|
* Convert the flock structure into a start and end and do POSIX
|
|
* bounds checking.
|
|
*/
|
|
switch (fl->l_whence) {
|
|
case SEEK_SET:
|
|
case SEEK_CUR:
|
|
/*
|
|
* Caller is responsible for adding any necessary offset
|
|
* when SEEK_CUR is used.
|
|
*/
|
|
start = fl->l_start;
|
|
off = fl->l_start;
|
|
break;
|
|
case SEEK_END:
|
|
start = size + fl->l_start;
|
|
off = size + fl->l_start;
|
|
break;
|
|
default:
|
|
return (EINVAL);
|
|
};
|
|
if (start < 0)
|
|
return (EINVAL);
|
|
if (fl->l_len != 0) {
|
|
end = start + fl->l_len - 1;
|
|
if (end < start)
|
|
return (EINVAL);
|
|
}
|
|
|
|
len = fl->l_len;
|
|
if (len == 0)
|
|
len = NFS64BITSSET;
|
|
retrycnt = 0;
|
|
do {
|
|
nd->nd_repstat = 0;
|
|
if (op == F_GETLK) {
|
|
error = nfscl_getcl(vp, cred, p, &clp);
|
|
if (error)
|
|
return (error);
|
|
error = nfscl_lockt(vp, clp, off, len, fl, p);
|
|
if (!error) {
|
|
clidrev = clp->nfsc_clientidrev;
|
|
error = nfsrpc_lockt(nd, vp, clp, off, len, fl, cred,
|
|
p);
|
|
} else if (error == -1) {
|
|
error = 0;
|
|
}
|
|
nfscl_clientrelease(clp);
|
|
} else if (op == F_UNLCK && fl->l_type == F_UNLCK) {
|
|
/*
|
|
* We must loop around for all lockowner cases.
|
|
*/
|
|
callcnt = 0;
|
|
error = nfscl_getcl(vp, cred, p, &clp);
|
|
if (error)
|
|
return (error);
|
|
do {
|
|
error = nfscl_relbytelock(vp, off, len, cred, p, callcnt,
|
|
clp, &lp, &dorpc);
|
|
/*
|
|
* If it returns a NULL lp, we're done.
|
|
*/
|
|
if (lp == NULL) {
|
|
if (callcnt == 0)
|
|
nfscl_clientrelease(clp);
|
|
else
|
|
nfscl_releasealllocks(clp, vp, p);
|
|
return (error);
|
|
}
|
|
if (nmp->nm_clp != NULL)
|
|
clidrev = nmp->nm_clp->nfsc_clientidrev;
|
|
else
|
|
clidrev = 0;
|
|
/*
|
|
* If the server doesn't support Posix lock semantics,
|
|
* only allow locks on the entire file, since it won't
|
|
* handle overlapping byte ranges.
|
|
* There might still be a problem when a lock
|
|
* upgrade/downgrade (read<->write) occurs, since the
|
|
* server "might" expect an unlock first?
|
|
*/
|
|
if (dorpc && (lp->nfsl_open->nfso_posixlock ||
|
|
(off == 0 && len == NFS64BITSSET))) {
|
|
/*
|
|
* Since the lock records will go away, we must
|
|
* wait for grace and delay here.
|
|
*/
|
|
do {
|
|
error = nfsrpc_locku(nd, nmp, lp, off, len,
|
|
NFSV4LOCKT_READ, cred, p, 0);
|
|
if ((nd->nd_repstat == NFSERR_GRACE ||
|
|
nd->nd_repstat == NFSERR_DELAY) &&
|
|
error == 0)
|
|
(void) nfs_catnap(PZERO, "nfs_advlock");
|
|
} while ((nd->nd_repstat == NFSERR_GRACE ||
|
|
nd->nd_repstat == NFSERR_DELAY) && error == 0);
|
|
}
|
|
callcnt++;
|
|
} while (error == 0 && nd->nd_repstat == 0);
|
|
nfscl_releasealllocks(clp, vp, p);
|
|
} else if (op == F_SETLK) {
|
|
error = nfscl_getbytelock(vp, off, len, fl->l_type, cred, p,
|
|
NULL, 0, NULL, NULL, &lp, &newone, &donelocally);
|
|
if (error || donelocally) {
|
|
return (error);
|
|
}
|
|
if (nmp->nm_clp != NULL)
|
|
clidrev = nmp->nm_clp->nfsc_clientidrev;
|
|
else
|
|
clidrev = 0;
|
|
nfhp = VTONFS(vp)->n_fhp;
|
|
if (!lp->nfsl_open->nfso_posixlock &&
|
|
(off != 0 || len != NFS64BITSSET)) {
|
|
error = EINVAL;
|
|
} else {
|
|
error = nfsrpc_lock(nd, nmp, vp, nfhp->nfh_fh,
|
|
nfhp->nfh_len, lp, newone, reclaim, off,
|
|
len, fl->l_type, cred, p, 0);
|
|
}
|
|
if (!error)
|
|
error = nd->nd_repstat;
|
|
nfscl_lockrelease(lp, error, newone);
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
if (!error)
|
|
error = nd->nd_repstat;
|
|
if (error == NFSERR_GRACE || error == NFSERR_STALESTATEID ||
|
|
error == NFSERR_STALEDONTRECOVER ||
|
|
error == NFSERR_STALECLIENTID || error == NFSERR_DELAY) {
|
|
(void) nfs_catnap(PZERO, "nfs_advlock");
|
|
} else if ((error == NFSERR_EXPIRED || error == NFSERR_BADSTATEID)
|
|
&& clidrev != 0) {
|
|
expireret = nfscl_hasexpired(nmp->nm_clp, clidrev, p);
|
|
retrycnt++;
|
|
}
|
|
} while (error == NFSERR_GRACE ||
|
|
error == NFSERR_STALECLIENTID || error == NFSERR_DELAY ||
|
|
error == NFSERR_STALEDONTRECOVER || error == NFSERR_STALESTATEID ||
|
|
((error == NFSERR_EXPIRED || error == NFSERR_BADSTATEID) &&
|
|
expireret == 0 && clidrev != 0 && retrycnt < 4));
|
|
if (error && retrycnt >= 4)
|
|
error = EIO;
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* The lower level routine for the LockT case.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_lockt(struct nfsrv_descript *nd, vnode_t vp,
|
|
struct nfsclclient *clp, u_int64_t off, u_int64_t len, struct flock *fl,
|
|
struct ucred *cred, NFSPROC_T *p)
|
|
{
|
|
u_int32_t *tl;
|
|
int error, type, size;
|
|
u_int8_t own[NFSV4CL_LOCKNAMELEN];
|
|
|
|
NFSCL_REQSTART(nd, NFSPROC_LOCKT, vp);
|
|
NFSM_BUILD(tl, u_int32_t *, 7 * NFSX_UNSIGNED);
|
|
if (fl->l_type == F_RDLCK)
|
|
*tl++ = txdr_unsigned(NFSV4LOCKT_READ);
|
|
else
|
|
*tl++ = txdr_unsigned(NFSV4LOCKT_WRITE);
|
|
txdr_hyper(off, tl);
|
|
tl += 2;
|
|
txdr_hyper(len, tl);
|
|
tl += 2;
|
|
*tl++ = clp->nfsc_clientid.lval[0];
|
|
*tl = clp->nfsc_clientid.lval[1];
|
|
nfscl_filllockowner(p, own);
|
|
(void) nfsm_strtom(nd, own, NFSV4CL_LOCKNAMELEN);
|
|
error = nfscl_request(nd, vp, p, cred, NULL);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_repstat == 0) {
|
|
fl->l_type = F_UNLCK;
|
|
} else if (nd->nd_repstat == NFSERR_DENIED) {
|
|
nd->nd_repstat = 0;
|
|
fl->l_whence = SEEK_SET;
|
|
NFSM_DISSECT(tl, u_int32_t *, 8 * NFSX_UNSIGNED);
|
|
fl->l_start = fxdr_hyper(tl);
|
|
tl += 2;
|
|
len = fxdr_hyper(tl);
|
|
tl += 2;
|
|
if (len == NFS64BITSSET)
|
|
fl->l_len = 0;
|
|
else
|
|
fl->l_len = len;
|
|
type = fxdr_unsigned(int, *tl++);
|
|
if (type == NFSV4LOCKT_WRITE)
|
|
fl->l_type = F_WRLCK;
|
|
else
|
|
fl->l_type = F_RDLCK;
|
|
/*
|
|
* XXX For now, I have no idea what to do with the
|
|
* conflicting lock_owner, so I'll just set the pid == 0
|
|
* and skip over the lock_owner.
|
|
*/
|
|
fl->l_pid = (pid_t)0;
|
|
tl += 2;
|
|
size = fxdr_unsigned(int, *tl);
|
|
if (size < 0 || size > NFSV4_OPAQUELIMIT)
|
|
error = EBADRPC;
|
|
if (!error)
|
|
error = nfsm_advance(nd, NFSM_RNDUP(size), -1);
|
|
} else if (nd->nd_repstat == NFSERR_STALECLIENTID)
|
|
nfscl_initiate_recovery(clp);
|
|
nfsmout:
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Lower level function that performs the LockU RPC.
|
|
*/
|
|
static int
|
|
nfsrpc_locku(struct nfsrv_descript *nd, struct nfsmount *nmp,
|
|
struct nfscllockowner *lp, u_int64_t off, u_int64_t len,
|
|
u_int32_t type, struct ucred *cred, NFSPROC_T *p, int syscred)
|
|
{
|
|
u_int32_t *tl;
|
|
int error;
|
|
|
|
nfscl_reqstart(nd, NFSPROC_LOCKU, nmp, lp->nfsl_open->nfso_fh,
|
|
lp->nfsl_open->nfso_fhlen, NULL);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID + 6 * NFSX_UNSIGNED);
|
|
*tl++ = txdr_unsigned(type);
|
|
*tl = txdr_unsigned(lp->nfsl_seqid);
|
|
if (nfstest_outofseq &&
|
|
(arc4random() % nfstest_outofseq) == 0)
|
|
*tl = txdr_unsigned(lp->nfsl_seqid + 1);
|
|
tl++;
|
|
*tl++ = lp->nfsl_stateid.seqid;
|
|
*tl++ = lp->nfsl_stateid.other[0];
|
|
*tl++ = lp->nfsl_stateid.other[1];
|
|
*tl++ = lp->nfsl_stateid.other[2];
|
|
txdr_hyper(off, tl);
|
|
tl += 2;
|
|
txdr_hyper(len, tl);
|
|
if (syscred)
|
|
nd->nd_flag |= ND_USEGSSNAME;
|
|
error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
|
|
NFS_PROG, NFS_VER4, NULL, 1, NULL);
|
|
NFSCL_INCRSEQID(lp->nfsl_seqid, nd);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_repstat == 0) {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID);
|
|
lp->nfsl_stateid.seqid = *tl++;
|
|
lp->nfsl_stateid.other[0] = *tl++;
|
|
lp->nfsl_stateid.other[1] = *tl++;
|
|
lp->nfsl_stateid.other[2] = *tl;
|
|
} else if (nd->nd_repstat == NFSERR_STALESTATEID)
|
|
nfscl_initiate_recovery(lp->nfsl_open->nfso_own->nfsow_clp);
|
|
nfsmout:
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* The actual Lock RPC.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_lock(struct nfsrv_descript *nd, struct nfsmount *nmp, vnode_t vp,
|
|
u_int8_t *nfhp, int fhlen, struct nfscllockowner *lp, int newone,
|
|
int reclaim, u_int64_t off, u_int64_t len, short type, struct ucred *cred,
|
|
NFSPROC_T *p, int syscred)
|
|
{
|
|
u_int32_t *tl;
|
|
int error, size;
|
|
|
|
nfscl_reqstart(nd, NFSPROC_LOCK, nmp, nfhp, fhlen, NULL);
|
|
NFSM_BUILD(tl, u_int32_t *, 7 * NFSX_UNSIGNED);
|
|
if (type == F_RDLCK)
|
|
*tl++ = txdr_unsigned(NFSV4LOCKT_READ);
|
|
else
|
|
*tl++ = txdr_unsigned(NFSV4LOCKT_WRITE);
|
|
*tl++ = txdr_unsigned(reclaim);
|
|
txdr_hyper(off, tl);
|
|
tl += 2;
|
|
txdr_hyper(len, tl);
|
|
tl += 2;
|
|
if (newone) {
|
|
*tl = newnfs_true;
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID +
|
|
2 * NFSX_UNSIGNED + NFSX_HYPER);
|
|
*tl++ = txdr_unsigned(lp->nfsl_open->nfso_own->nfsow_seqid);
|
|
*tl++ = lp->nfsl_open->nfso_stateid.seqid;
|
|
*tl++ = lp->nfsl_open->nfso_stateid.other[0];
|
|
*tl++ = lp->nfsl_open->nfso_stateid.other[1];
|
|
*tl++ = lp->nfsl_open->nfso_stateid.other[2];
|
|
*tl++ = txdr_unsigned(lp->nfsl_seqid);
|
|
*tl++ = lp->nfsl_open->nfso_own->nfsow_clp->nfsc_clientid.lval[0];
|
|
*tl = lp->nfsl_open->nfso_own->nfsow_clp->nfsc_clientid.lval[1];
|
|
(void) nfsm_strtom(nd, lp->nfsl_owner, NFSV4CL_LOCKNAMELEN);
|
|
} else {
|
|
*tl = newnfs_false;
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID + NFSX_UNSIGNED);
|
|
*tl++ = lp->nfsl_stateid.seqid;
|
|
*tl++ = lp->nfsl_stateid.other[0];
|
|
*tl++ = lp->nfsl_stateid.other[1];
|
|
*tl++ = lp->nfsl_stateid.other[2];
|
|
*tl = txdr_unsigned(lp->nfsl_seqid);
|
|
if (nfstest_outofseq &&
|
|
(arc4random() % nfstest_outofseq) == 0)
|
|
*tl = txdr_unsigned(lp->nfsl_seqid + 1);
|
|
}
|
|
if (syscred)
|
|
nd->nd_flag |= ND_USEGSSNAME;
|
|
error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, vp, p, cred,
|
|
NFS_PROG, NFS_VER4, NULL, 1, NULL);
|
|
if (error)
|
|
return (error);
|
|
if (newone)
|
|
NFSCL_INCRSEQID(lp->nfsl_open->nfso_own->nfsow_seqid, nd);
|
|
NFSCL_INCRSEQID(lp->nfsl_seqid, nd);
|
|
if (nd->nd_repstat == 0) {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_STATEID);
|
|
lp->nfsl_stateid.seqid = *tl++;
|
|
lp->nfsl_stateid.other[0] = *tl++;
|
|
lp->nfsl_stateid.other[1] = *tl++;
|
|
lp->nfsl_stateid.other[2] = *tl;
|
|
} else if (nd->nd_repstat == NFSERR_DENIED) {
|
|
NFSM_DISSECT(tl, u_int32_t *, 8 * NFSX_UNSIGNED);
|
|
size = fxdr_unsigned(int, *(tl + 7));
|
|
if (size < 0 || size > NFSV4_OPAQUELIMIT)
|
|
error = EBADRPC;
|
|
if (!error)
|
|
error = nfsm_advance(nd, NFSM_RNDUP(size), -1);
|
|
} else if (nd->nd_repstat == NFSERR_STALESTATEID)
|
|
nfscl_initiate_recovery(lp->nfsl_open->nfso_own->nfsow_clp);
|
|
nfsmout:
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs statfs rpc
|
|
* (always called with the vp for the mount point)
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_statfs(vnode_t vp, struct nfsstatfs *sbp, struct nfsfsinfo *fsp,
|
|
struct ucred *cred, NFSPROC_T *p, struct nfsvattr *nap, int *attrflagp,
|
|
void *stuff)
|
|
{
|
|
u_int32_t *tl = NULL;
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
struct nfsmount *nmp;
|
|
nfsattrbit_t attrbits;
|
|
int error;
|
|
|
|
*attrflagp = 0;
|
|
nmp = VFSTONFS(vnode_mount(vp));
|
|
if (NFSHASNFSV4(nmp)) {
|
|
/*
|
|
* For V4, you actually do a getattr.
|
|
*/
|
|
NFSCL_REQSTART(nd, NFSPROC_GETATTR, vp);
|
|
NFSSTATFS_GETATTRBIT(&attrbits);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
nd->nd_flag |= ND_USEGSSNAME;
|
|
error = nfscl_request(nd, vp, p, cred, stuff);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_repstat == 0) {
|
|
error = nfsv4_loadattr(nd, NULL, nap, NULL, NULL, 0,
|
|
NULL, NULL, sbp, fsp, NULL, 0, NULL, NULL, NULL, p,
|
|
cred);
|
|
if (!error) {
|
|
nmp->nm_fsid[0] = nap->na_filesid[0];
|
|
nmp->nm_fsid[1] = nap->na_filesid[1];
|
|
NFSSETHASSETFSID(nmp);
|
|
*attrflagp = 1;
|
|
}
|
|
} else {
|
|
error = nd->nd_repstat;
|
|
}
|
|
if (error)
|
|
goto nfsmout;
|
|
} else {
|
|
NFSCL_REQSTART(nd, NFSPROC_FSSTAT, vp);
|
|
error = nfscl_request(nd, vp, p, cred, stuff);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_flag & ND_NFSV3) {
|
|
error = nfscl_postop_attr(nd, nap, attrflagp, stuff);
|
|
if (error)
|
|
goto nfsmout;
|
|
}
|
|
if (nd->nd_repstat) {
|
|
error = nd->nd_repstat;
|
|
goto nfsmout;
|
|
}
|
|
NFSM_DISSECT(tl, u_int32_t *,
|
|
NFSX_STATFS(nd->nd_flag & ND_NFSV3));
|
|
}
|
|
if (NFSHASNFSV3(nmp)) {
|
|
sbp->sf_tbytes = fxdr_hyper(tl); tl += 2;
|
|
sbp->sf_fbytes = fxdr_hyper(tl); tl += 2;
|
|
sbp->sf_abytes = fxdr_hyper(tl); tl += 2;
|
|
sbp->sf_tfiles = fxdr_hyper(tl); tl += 2;
|
|
sbp->sf_ffiles = fxdr_hyper(tl); tl += 2;
|
|
sbp->sf_afiles = fxdr_hyper(tl); tl += 2;
|
|
sbp->sf_invarsec = fxdr_unsigned(u_int32_t, *tl);
|
|
} else if (NFSHASNFSV4(nmp) == 0) {
|
|
sbp->sf_tsize = fxdr_unsigned(u_int32_t, *tl++);
|
|
sbp->sf_bsize = fxdr_unsigned(u_int32_t, *tl++);
|
|
sbp->sf_blocks = fxdr_unsigned(u_int32_t, *tl++);
|
|
sbp->sf_bfree = fxdr_unsigned(u_int32_t, *tl++);
|
|
sbp->sf_bavail = fxdr_unsigned(u_int32_t, *tl);
|
|
}
|
|
nfsmout:
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs pathconf rpc
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_pathconf(vnode_t vp, struct nfsv3_pathconf *pc,
|
|
struct ucred *cred, NFSPROC_T *p, struct nfsvattr *nap, int *attrflagp,
|
|
void *stuff)
|
|
{
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
struct nfsmount *nmp;
|
|
u_int32_t *tl;
|
|
nfsattrbit_t attrbits;
|
|
int error;
|
|
|
|
*attrflagp = 0;
|
|
nmp = VFSTONFS(vnode_mount(vp));
|
|
if (NFSHASNFSV4(nmp)) {
|
|
/*
|
|
* For V4, you actually do a getattr.
|
|
*/
|
|
NFSCL_REQSTART(nd, NFSPROC_GETATTR, vp);
|
|
NFSPATHCONF_GETATTRBIT(&attrbits);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
nd->nd_flag |= ND_USEGSSNAME;
|
|
error = nfscl_request(nd, vp, p, cred, stuff);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_repstat == 0) {
|
|
error = nfsv4_loadattr(nd, NULL, nap, NULL, NULL, 0,
|
|
pc, NULL, NULL, NULL, NULL, 0, NULL, NULL, NULL, p,
|
|
cred);
|
|
if (!error)
|
|
*attrflagp = 1;
|
|
} else {
|
|
error = nd->nd_repstat;
|
|
}
|
|
} else {
|
|
NFSCL_REQSTART(nd, NFSPROC_PATHCONF, vp);
|
|
error = nfscl_request(nd, vp, p, cred, stuff);
|
|
if (error)
|
|
return (error);
|
|
error = nfscl_postop_attr(nd, nap, attrflagp, stuff);
|
|
if (nd->nd_repstat && !error)
|
|
error = nd->nd_repstat;
|
|
if (!error) {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_V3PATHCONF);
|
|
pc->pc_linkmax = fxdr_unsigned(u_int32_t, *tl++);
|
|
pc->pc_namemax = fxdr_unsigned(u_int32_t, *tl++);
|
|
pc->pc_notrunc = fxdr_unsigned(u_int32_t, *tl++);
|
|
pc->pc_chownrestricted =
|
|
fxdr_unsigned(u_int32_t, *tl++);
|
|
pc->pc_caseinsensitive =
|
|
fxdr_unsigned(u_int32_t, *tl++);
|
|
pc->pc_casepreserving = fxdr_unsigned(u_int32_t, *tl);
|
|
}
|
|
}
|
|
nfsmout:
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs version 3 fsinfo rpc call
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_fsinfo(vnode_t vp, struct nfsfsinfo *fsp, struct ucred *cred,
|
|
NFSPROC_T *p, struct nfsvattr *nap, int *attrflagp, void *stuff)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
int error;
|
|
|
|
*attrflagp = 0;
|
|
NFSCL_REQSTART(nd, NFSPROC_FSINFO, vp);
|
|
error = nfscl_request(nd, vp, p, cred, stuff);
|
|
if (error)
|
|
return (error);
|
|
error = nfscl_postop_attr(nd, nap, attrflagp, stuff);
|
|
if (nd->nd_repstat && !error)
|
|
error = nd->nd_repstat;
|
|
if (!error) {
|
|
NFSM_DISSECT(tl, u_int32_t *, NFSX_V3FSINFO);
|
|
fsp->fs_rtmax = fxdr_unsigned(u_int32_t, *tl++);
|
|
fsp->fs_rtpref = fxdr_unsigned(u_int32_t, *tl++);
|
|
fsp->fs_rtmult = fxdr_unsigned(u_int32_t, *tl++);
|
|
fsp->fs_wtmax = fxdr_unsigned(u_int32_t, *tl++);
|
|
fsp->fs_wtpref = fxdr_unsigned(u_int32_t, *tl++);
|
|
fsp->fs_wtmult = fxdr_unsigned(u_int32_t, *tl++);
|
|
fsp->fs_dtpref = fxdr_unsigned(u_int32_t, *tl++);
|
|
fsp->fs_maxfilesize = fxdr_hyper(tl);
|
|
tl += 2;
|
|
fxdr_nfsv3time(tl, &fsp->fs_timedelta);
|
|
tl += 2;
|
|
fsp->fs_properties = fxdr_unsigned(u_int32_t, *tl);
|
|
}
|
|
nfsmout:
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* This function performs the Renew RPC.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_renew(struct nfsclclient *clp, struct ucred *cred, NFSPROC_T *p)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsrv_descript nfsd;
|
|
struct nfsrv_descript *nd = &nfsd;
|
|
struct nfsmount *nmp;
|
|
int error;
|
|
|
|
nmp = clp->nfsc_nmp;
|
|
if (nmp == NULL)
|
|
return (0);
|
|
nfscl_reqstart(nd, NFSPROC_RENEW, nmp, NULL, 0, NULL);
|
|
NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
*tl++ = clp->nfsc_clientid.lval[0];
|
|
*tl = clp->nfsc_clientid.lval[1];
|
|
nd->nd_flag |= ND_USEGSSNAME;
|
|
error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
|
|
NFS_PROG, NFS_VER4, NULL, 1, NULL);
|
|
if (error)
|
|
return (error);
|
|
error = nd->nd_repstat;
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* This function performs the Releaselockowner RPC.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_rellockown(struct nfsmount *nmp, struct nfscllockowner *lp,
|
|
struct ucred *cred, NFSPROC_T *p)
|
|
{
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
u_int32_t *tl;
|
|
int error;
|
|
|
|
nfscl_reqstart(nd, NFSPROC_RELEASELCKOWN, nmp, NULL, 0, NULL);
|
|
NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED);
|
|
*tl++ = nmp->nm_clp->nfsc_clientid.lval[0];
|
|
*tl = nmp->nm_clp->nfsc_clientid.lval[1];
|
|
(void) nfsm_strtom(nd, lp->nfsl_owner, NFSV4CL_LOCKNAMELEN);
|
|
nd->nd_flag |= ND_USEGSSNAME;
|
|
error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
|
|
NFS_PROG, NFS_VER4, NULL, 1, NULL);
|
|
if (error)
|
|
return (error);
|
|
error = nd->nd_repstat;
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* This function performs the Compound to get the mount pt FH.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_getdirpath(struct nfsmount *nmp, u_char *dirpath, struct ucred *cred,
|
|
NFSPROC_T *p)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsrv_descript nfsd;
|
|
struct nfsrv_descript *nd = &nfsd;
|
|
u_char *cp, *cp2;
|
|
int error, cnt, len, setnil;
|
|
u_int32_t *opcntp;
|
|
|
|
nfscl_reqstart(nd, NFSPROC_PUTROOTFH, nmp, NULL, 0, &opcntp);
|
|
cp = dirpath;
|
|
cnt = 0;
|
|
do {
|
|
setnil = 0;
|
|
while (*cp == '/')
|
|
cp++;
|
|
cp2 = cp;
|
|
while (*cp2 != '\0' && *cp2 != '/')
|
|
cp2++;
|
|
if (*cp2 == '/') {
|
|
setnil = 1;
|
|
*cp2 = '\0';
|
|
}
|
|
if (cp2 != cp) {
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OP_LOOKUP);
|
|
nfsm_strtom(nd, cp, strlen(cp));
|
|
cnt++;
|
|
}
|
|
if (setnil)
|
|
*cp2++ = '/';
|
|
cp = cp2;
|
|
} while (*cp != '\0');
|
|
*opcntp = txdr_unsigned(2 + cnt);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
|
|
*tl = txdr_unsigned(NFSV4OP_GETFH);
|
|
nd->nd_flag |= ND_USEGSSNAME;
|
|
error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
|
|
NFS_PROG, NFS_VER4, NULL, 1, NULL);
|
|
if (error)
|
|
return (error);
|
|
if (nd->nd_repstat == 0) {
|
|
NFSM_DISSECT(tl, u_int32_t *, (3 + 2 * cnt) * NFSX_UNSIGNED);
|
|
tl += (2 + 2 * cnt);
|
|
if ((len = fxdr_unsigned(int, *tl)) <= 0 ||
|
|
len > NFSX_FHMAX) {
|
|
nd->nd_repstat = NFSERR_BADXDR;
|
|
} else {
|
|
nd->nd_repstat = nfsrv_mtostr(nd, nmp->nm_fh, len);
|
|
if (nd->nd_repstat == 0)
|
|
nmp->nm_fhsize = len;
|
|
}
|
|
}
|
|
error = nd->nd_repstat;
|
|
nfsmout:
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* This function performs the Delegreturn RPC.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_delegreturn(struct nfscldeleg *dp, struct ucred *cred,
|
|
struct nfsmount *nmp, NFSPROC_T *p, int syscred)
|
|
{
|
|
u_int32_t *tl;
|
|
struct nfsrv_descript nfsd;
|
|
struct nfsrv_descript *nd = &nfsd;
|
|
int error;
|
|
|
|
nfscl_reqstart(nd, NFSPROC_DELEGRETURN, nmp, dp->nfsdl_fh,
|
|
dp->nfsdl_fhlen, NULL);
|
|
NFSM_BUILD(tl, u_int32_t *, NFSX_STATEID);
|
|
*tl++ = dp->nfsdl_stateid.seqid;
|
|
*tl++ = dp->nfsdl_stateid.other[0];
|
|
*tl++ = dp->nfsdl_stateid.other[1];
|
|
*tl = dp->nfsdl_stateid.other[2];
|
|
if (syscred)
|
|
nd->nd_flag |= ND_USEGSSNAME;
|
|
error = newnfs_request(nd, nmp, NULL, &nmp->nm_sockreq, NULL, p, cred,
|
|
NFS_PROG, NFS_VER4, NULL, 1, NULL);
|
|
if (error)
|
|
return (error);
|
|
error = nd->nd_repstat;
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
#ifdef NFS4_ACL_EXTATTR_NAME
|
|
/*
|
|
* nfs getacl call.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_getacl(vnode_t vp, struct ucred *cred, NFSPROC_T *p,
|
|
struct acl *aclp, void *stuff)
|
|
{
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
int error;
|
|
nfsattrbit_t attrbits;
|
|
struct nfsmount *nmp = VFSTONFS(vnode_mount(vp));
|
|
|
|
if (nfsrv_useacl == 0 || !NFSHASNFSV4(nmp))
|
|
return (EOPNOTSUPP);
|
|
NFSCL_REQSTART(nd, NFSPROC_GETACL, vp);
|
|
NFSZERO_ATTRBIT(&attrbits);
|
|
NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_ACL);
|
|
(void) nfsrv_putattrbit(nd, &attrbits);
|
|
error = nfscl_request(nd, vp, p, cred, stuff);
|
|
if (error)
|
|
return (error);
|
|
if (!nd->nd_repstat)
|
|
error = nfsv4_loadattr(nd, vp, NULL, NULL, NULL, 0, NULL,
|
|
NULL, NULL, NULL, aclp, 0, NULL, NULL, NULL, p, cred);
|
|
else
|
|
error = nd->nd_repstat;
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs setacl call.
|
|
*/
|
|
APPLESTATIC int
|
|
nfsrpc_setacl(vnode_t vp, struct ucred *cred, NFSPROC_T *p,
|
|
struct acl *aclp, void *stuff)
|
|
{
|
|
int error;
|
|
struct nfsmount *nmp = VFSTONFS(vnode_mount(vp));
|
|
|
|
if (nfsrv_useacl == 0 || !NFSHASNFSV4(nmp))
|
|
return (EOPNOTSUPP);
|
|
error = nfsrpc_setattr(vp, NULL, aclp, cred, p, NULL, NULL, stuff);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* nfs setacl call.
|
|
*/
|
|
static int
|
|
nfsrpc_setaclrpc(vnode_t vp, struct ucred *cred, NFSPROC_T *p,
|
|
struct acl *aclp, nfsv4stateid_t *stateidp, void *stuff)
|
|
{
|
|
struct nfsrv_descript nfsd, *nd = &nfsd;
|
|
int error;
|
|
nfsattrbit_t attrbits;
|
|
struct nfsmount *nmp = VFSTONFS(vnode_mount(vp));
|
|
|
|
if (!NFSHASNFSV4(nmp))
|
|
return (EOPNOTSUPP);
|
|
NFSCL_REQSTART(nd, NFSPROC_SETACL, vp);
|
|
nfsm_stateidtom(nd, stateidp, NFSSTATEID_PUTSTATEID);
|
|
NFSZERO_ATTRBIT(&attrbits);
|
|
NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_ACL);
|
|
(void) nfsv4_fillattr(nd, vp, aclp, NULL, NULL, 0, &attrbits,
|
|
NULL, NULL, 0, 0);
|
|
error = nfscl_request(nd, vp, p, cred, stuff);
|
|
if (error)
|
|
return (error);
|
|
/* Don't care about the pre/postop attributes */
|
|
mbuf_freem(nd->nd_mrep);
|
|
return (nd->nd_repstat);
|
|
}
|
|
|
|
#endif /* NFS4_ACL_EXTATTR_NAME */
|