3679de0323
metadata values are simply truncated. -> clamp filesystem block counts to signed 32bit. -> clamp file sizes to signed 32bit (*) Some NFSv2 clients also have problems to handle buffer sizes larger than (signed) 16bit. -> clamp buffer sizes to signed 16bit for better compatibility. (*) This can lead to erroneous behaviour for files larger than 2GB that NFSv2 cannot handle but it is still better than before. An alternative would be to (partially) reject operations on files larger than 2GB, but which causes other problems.
573 lines
16 KiB
C
573 lines
16 KiB
C
/* $NetBSD: nfsm_subs.h,v 1.54 2020/04/04 07:07:20 mlelstv Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1989, 1993
|
|
* 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
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* 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
|
|
* 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)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* @(#)nfsm_subs.h 8.2 (Berkeley) 3/30/95
|
|
*/
|
|
|
|
|
|
#ifndef _NFS_NFSM_SUBS_H_
|
|
#define _NFS_NFSM_SUBS_H_
|
|
|
|
|
|
/*
|
|
* These macros do strange and peculiar things to mbuf chains for
|
|
* the assistance of the nfs code. To attempt to use them for any
|
|
* other purpose will be dangerous. (they make weird assumptions)
|
|
*/
|
|
|
|
/*
|
|
* First define what the actual subs. return
|
|
*/
|
|
|
|
#define M_HASCL(m) ((m)->m_flags & M_EXT)
|
|
#define NFSMADV(m, s) (m)->m_data += (s)
|
|
#define NFSMSIZ(m) ((M_HASCL(m)) ? (m)->m_ext.ext_size : \
|
|
(((m)->m_flags & M_PKTHDR) ? MHLEN : MLEN))
|
|
|
|
/*
|
|
* NFSv2 can only handle signed 32bit quantities and some clients
|
|
* get confused by larger than 16bit block sizes. Limit values
|
|
* for better compatibility.
|
|
*/
|
|
#define NFS_V2CLAMP32(x) ((x) > INT32_MAX ? INT32_MAX : (int32_t)(x))
|
|
#define NFS_V2CLAMP16(x) ((x) > INT16_MAX ? INT16_MAX : (int32_t)(x))
|
|
|
|
/*
|
|
* Now for the macros that do the simple stuff and call the functions
|
|
* for the hard stuff.
|
|
* These macros use several vars. declared in nfsm_reqhead and these
|
|
* vars. must not be used elsewhere unless you are careful not to corrupt
|
|
* them. The vars. starting with pN and tN (N=1,2,3,..) are temporaries
|
|
* that may be used so long as the value is not expected to retained
|
|
* after a macro.
|
|
* I know, this is kind of dorkey, but it makes the actual op functions
|
|
* fairly clean and deals with the mess caused by the xdr discriminating
|
|
* unions.
|
|
*/
|
|
|
|
#define nfsm_build(a,c,s) \
|
|
{ if ((s) > M_TRAILINGSPACE(mb)) { \
|
|
struct mbuf *mb2; \
|
|
mb2 = m_get(M_WAIT, MT_DATA); \
|
|
MCLAIM(mb2, &nfs_mowner); \
|
|
if ((s) > MLEN) \
|
|
panic("build > MLEN"); \
|
|
mb->m_next = mb2; \
|
|
mb = mb2; \
|
|
mb->m_len = 0; \
|
|
bpos = mtod(mb, char *); \
|
|
} \
|
|
(a) = (c)(bpos); \
|
|
mb->m_len += (s); \
|
|
bpos += (s); }
|
|
|
|
#define nfsm_aligned(p) ALIGNED_POINTER(p,u_int32_t)
|
|
|
|
#define nfsm_dissect(a, c, s) \
|
|
{ t1 = mtod(md, char *) + md->m_len-dpos; \
|
|
if (t1 >= (s) && nfsm_aligned(dpos)) { \
|
|
(a) = (c)(dpos); \
|
|
dpos += (s); \
|
|
} else if ((t1 = nfsm_disct(&md, &dpos, (s), t1, &cp2)) != 0){ \
|
|
error = t1; \
|
|
m_freem(mrep); \
|
|
goto nfsmout; \
|
|
} else { \
|
|
(a) = (c)cp2; \
|
|
} }
|
|
|
|
#define nfsm_fhtom(n, v3) \
|
|
{ if (v3) { \
|
|
t2 = nfsm_rndup((n)->n_fhsize) + NFSX_UNSIGNED; \
|
|
if (t2 <= M_TRAILINGSPACE(mb)) { \
|
|
nfsm_build(tl, u_int32_t *, t2); \
|
|
*tl++ = txdr_unsigned((n)->n_fhsize); \
|
|
*(tl + ((t2>>2) - 2)) = 0; \
|
|
memcpy(tl,(n)->n_fhp, (n)->n_fhsize); \
|
|
} else if ((t2 = nfsm_strtmbuf(&mb, &bpos, \
|
|
(void *)(n)->n_fhp, (n)->n_fhsize)) != 0) { \
|
|
error = t2; \
|
|
m_freem(mreq); \
|
|
goto nfsmout; \
|
|
} \
|
|
} else { \
|
|
nfsm_build(cp, void *, NFSX_V2FH); \
|
|
memcpy(cp, (n)->n_fhp, NFSX_V2FH); \
|
|
} }
|
|
|
|
#define nfsm_srvfhtom(f, v3) \
|
|
{ if (v3) { \
|
|
nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED + \
|
|
NFSRVFH_SIZE(f)); \
|
|
*tl++ = txdr_unsigned(NFSRVFH_SIZE(f)); \
|
|
memcpy(tl, NFSRVFH_DATA(f), NFSRVFH_SIZE(f)); \
|
|
} else { \
|
|
KASSERT(NFSRVFH_SIZE(f) == NFSX_V2FH); \
|
|
nfsm_build(cp, void *, NFSX_V2FH); \
|
|
memcpy(cp, NFSRVFH_DATA(f), NFSX_V2FH); \
|
|
} }
|
|
|
|
#define nfsm_srvpostop_fh(f) \
|
|
{ nfsm_build(tl, u_int32_t *, \
|
|
2 * NFSX_UNSIGNED + NFSRVFH_SIZE(f)); \
|
|
*tl++ = nfs_true; \
|
|
*tl++ = txdr_unsigned(NFSRVFH_SIZE(f)); \
|
|
memcpy(tl, NFSRVFH_DATA(f), NFSRVFH_SIZE(f)); \
|
|
}
|
|
|
|
/*
|
|
* nfsm_mtofh: dissect a "resulted obj" part of create-like operations
|
|
* like mkdir.
|
|
*
|
|
* for nfsv3, dissect post_op_fh3 and following post_op_attr.
|
|
* for nfsv2, dissect fhandle and following fattr.
|
|
*
|
|
* d: (IN) the vnode of the parent directry.
|
|
* v: (OUT) the corresponding vnode (we allocate one if needed)
|
|
* v3: (IN) true for nfsv3.
|
|
* f: (OUT) true if we got valid filehandle. always true for nfsv2.
|
|
*/
|
|
|
|
#define nfsm_mtofh(d, v, v3, f) \
|
|
{ struct nfsnode *ttnp; nfsfh_t *ttfhp; int ttfhsize; \
|
|
int hasattr = 0; \
|
|
if (v3) { \
|
|
nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
(f) = fxdr_unsigned(int, *tl); \
|
|
} else { \
|
|
(f) = 1; \
|
|
hasattr = 1; \
|
|
} \
|
|
if (f) { \
|
|
nfsm_getfh(ttfhp, ttfhsize, (v3)); \
|
|
if ((t1 = nfs_nget((d)->v_mount, ttfhp, ttfhsize, \
|
|
&ttnp)) != 0) { \
|
|
error = t1; \
|
|
m_freem(mrep); \
|
|
goto nfsmout; \
|
|
} \
|
|
(v) = NFSTOV(ttnp); \
|
|
} \
|
|
if (v3) { \
|
|
nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
if (f) \
|
|
hasattr = fxdr_unsigned(int, *tl); \
|
|
else if (fxdr_unsigned(int, *tl)) \
|
|
nfsm_adv(NFSX_V3FATTR); \
|
|
} \
|
|
if (f && hasattr) \
|
|
nfsm_loadattr((v), (struct vattr *)0, 0); \
|
|
}
|
|
|
|
/*
|
|
* nfsm_getfh: dissect a filehandle.
|
|
*
|
|
* f: (OUT) a filehandle.
|
|
* s: (OUT) size of the filehandle in bytes.
|
|
* v3: (IN) true if nfsv3.
|
|
*/
|
|
|
|
#define nfsm_getfh(f, s, v3) \
|
|
{ if (v3) { \
|
|
nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
if (((s) = fxdr_unsigned(int, *tl)) <= 0 || \
|
|
(s) > NFSX_V3FHMAX) { \
|
|
m_freem(mrep); \
|
|
error = EBADRPC; \
|
|
goto nfsmout; \
|
|
} \
|
|
} else \
|
|
(s) = NFSX_V2FH; \
|
|
nfsm_dissect((f), nfsfh_t *, nfsm_rndup(s)); }
|
|
|
|
#define nfsm_loadattr(v, a, flags) \
|
|
{ struct vnode *ttvp = (v); \
|
|
if ((t1 = nfsm_loadattrcache(&ttvp, &md, &dpos, (a), (flags))) \
|
|
!= 0) { \
|
|
error = t1; \
|
|
m_freem(mrep); \
|
|
goto nfsmout; \
|
|
} \
|
|
(v) = ttvp; }
|
|
|
|
/*
|
|
* nfsm_postop_attr: process nfsv3 post_op_attr
|
|
*
|
|
* dissect post_op_attr. if we got a one,
|
|
* call nfsm_loadattrcache to update attribute cache.
|
|
*
|
|
* v: (IN/OUT) the corresponding vnode
|
|
* f: (OUT) true if we got valid attribute
|
|
* flags: (IN) flags for nfsm_loadattrcache
|
|
*/
|
|
|
|
#define nfsm_postop_attr(v, f, flags) \
|
|
{ struct vnode *ttvp = (v); \
|
|
nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
if (((f) = fxdr_unsigned(int, *tl)) != 0) { \
|
|
if ((t1 = nfsm_loadattrcache(&ttvp, &md, &dpos, \
|
|
(struct vattr *)0, (flags))) != 0) { \
|
|
error = t1; \
|
|
(f) = 0; \
|
|
m_freem(mrep); \
|
|
goto nfsmout; \
|
|
} \
|
|
(v) = ttvp; \
|
|
} }
|
|
|
|
/*
|
|
* nfsm_wcc_data: process nfsv3 wcc_data
|
|
*
|
|
* dissect pre_op_attr and then let nfsm_postop_attr dissect post_op_attr.
|
|
*
|
|
* v: (IN/OUT) the corresponding vnode
|
|
* f: (IN/OUT)
|
|
* NFSV3_WCCRATTR return true if we got valid post_op_attr.
|
|
* NFSV3_WCCCHK return true if pre_op_attr's mtime is the same
|
|
* as our n_mtime. (ie. our cache isn't stale.)
|
|
* flags: (IN) flags for nfsm_loadattrcache
|
|
* docheck: (IN) true if timestamp change is expected
|
|
*/
|
|
|
|
/* Used as (f) for nfsm_wcc_data() */
|
|
#define NFSV3_WCCRATTR 0
|
|
#define NFSV3_WCCCHK 1
|
|
|
|
#define nfsm_wcc_data(v, f, flags, docheck) \
|
|
{ int ttattrf, ttretf = 0, renewctime = 0, renewnctime = 0; \
|
|
struct timespec ctime, mtime; \
|
|
struct nfsnode *nfsp = VTONFS(v); \
|
|
bool haspreopattr = false; \
|
|
nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
if (*tl == nfs_true) { \
|
|
haspreopattr = true; \
|
|
nfsm_dissect(tl, u_int32_t *, 6 * NFSX_UNSIGNED); \
|
|
fxdr_nfsv3time(tl + 2, &mtime); \
|
|
fxdr_nfsv3time(tl + 4, &ctime); \
|
|
if (nfsp->n_ctime == ctime.tv_sec) \
|
|
renewctime = 1; \
|
|
if ((v)->v_type == VDIR) { \
|
|
if (timespeccmp(&nfsp->n_nctime, &ctime, ==)) \
|
|
renewnctime = 1; \
|
|
} \
|
|
if (f) { \
|
|
ttretf = timespeccmp(&nfsp->n_mtime, &mtime, ==);\
|
|
} \
|
|
} \
|
|
nfsm_postop_attr((v), ttattrf, (flags)); \
|
|
nfsp = VTONFS(v); \
|
|
if (ttattrf) { \
|
|
if (haspreopattr && \
|
|
nfs_check_wccdata(nfsp, &ctime, &mtime, (docheck))) \
|
|
renewctime = renewnctime = ttretf = 0; \
|
|
if (renewctime) \
|
|
nfsp->n_ctime = nfsp->n_vattr->va_ctime.tv_sec; \
|
|
if (renewnctime) \
|
|
nfsp->n_nctime = nfsp->n_vattr->va_ctime; \
|
|
} \
|
|
if (f) { \
|
|
(f) = ttretf; \
|
|
} else { \
|
|
(f) = ttattrf; \
|
|
} }
|
|
|
|
/* If full is true, set all fields, otherwise just set mode and time fields */
|
|
#define nfsm_v3attrbuild(a, full) \
|
|
{ if ((a)->va_mode != (mode_t)VNOVAL) { \
|
|
nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
|
|
*tl++ = nfs_true; \
|
|
*tl = txdr_unsigned((a)->va_mode); \
|
|
} else { \
|
|
nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
*tl = nfs_false; \
|
|
} \
|
|
if ((full) && (a)->va_uid != (uid_t)VNOVAL) { \
|
|
nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
|
|
*tl++ = nfs_true; \
|
|
*tl = txdr_unsigned((a)->va_uid); \
|
|
} else { \
|
|
nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
*tl = nfs_false; \
|
|
} \
|
|
if ((full) && (a)->va_gid != (gid_t)VNOVAL) { \
|
|
nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
|
|
*tl++ = nfs_true; \
|
|
*tl = txdr_unsigned((a)->va_gid); \
|
|
} else { \
|
|
nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
*tl = nfs_false; \
|
|
} \
|
|
if ((full) && (a)->va_size != VNOVAL) { \
|
|
nfsm_build(tl, u_int32_t *, 3 * NFSX_UNSIGNED); \
|
|
*tl++ = nfs_true; \
|
|
txdr_hyper((a)->va_size, tl); \
|
|
} else { \
|
|
nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
*tl = nfs_false; \
|
|
} \
|
|
if ((a)->va_atime.tv_sec != VNOVAL) { \
|
|
if ((a)->va_atime.tv_sec != time_second) { \
|
|
nfsm_build(tl, u_int32_t *, 3 * NFSX_UNSIGNED); \
|
|
*tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT); \
|
|
txdr_nfsv3time(&(a)->va_atime, tl); \
|
|
} else { \
|
|
nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
*tl = txdr_unsigned(NFSV3SATTRTIME_TOSERVER); \
|
|
} \
|
|
} else { \
|
|
nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
*tl = txdr_unsigned(NFSV3SATTRTIME_DONTCHANGE); \
|
|
} \
|
|
if ((a)->va_mtime.tv_sec != VNOVAL) { \
|
|
if ((a)->va_mtime.tv_sec != time_second) { \
|
|
nfsm_build(tl, u_int32_t *, 3 * NFSX_UNSIGNED); \
|
|
*tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT); \
|
|
txdr_nfsv3time(&(a)->va_mtime, tl); \
|
|
} else { \
|
|
nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
*tl = txdr_unsigned(NFSV3SATTRTIME_TOSERVER); \
|
|
} \
|
|
} else { \
|
|
nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
*tl = txdr_unsigned(NFSV3SATTRTIME_DONTCHANGE); \
|
|
} \
|
|
}
|
|
|
|
|
|
#define nfsm_strsiz(s,m) \
|
|
{ nfsm_dissect(tl,uint32_t *,NFSX_UNSIGNED); \
|
|
if (((s) = fxdr_unsigned(uint32_t,*tl)) > (m)) { \
|
|
m_freem(mrep); \
|
|
error = EBADRPC; \
|
|
goto nfsmout; \
|
|
} }
|
|
|
|
#define nfsm_srvnamesiz(s) \
|
|
{ nfsm_dissect(tl,uint32_t *,NFSX_UNSIGNED); \
|
|
if (((s) = fxdr_unsigned(uint32_t,*tl)) > NFS_MAXNAMLEN) \
|
|
error = NFSERR_NAMETOL; \
|
|
if (error) \
|
|
nfsm_reply(0); \
|
|
}
|
|
|
|
#define nfsm_mtouio(p,s) \
|
|
if ((s) > 0 && \
|
|
(t1 = nfsm_mbuftouio(&md,(p),(s),&dpos)) != 0) { \
|
|
error = t1; \
|
|
m_freem(mrep); \
|
|
goto nfsmout; \
|
|
}
|
|
|
|
#define nfsm_uiotom(p,s) \
|
|
if ((t1 = nfsm_uiotombuf((p),&mb,(s),&bpos)) != 0) { \
|
|
error = t1; \
|
|
m_freem(mreq); \
|
|
goto nfsmout; \
|
|
}
|
|
|
|
#define nfsm_reqhead(n,a,s) \
|
|
mb = mreq = nfsm_reqh((n),(a),(s),&bpos)
|
|
|
|
#define nfsm_reqdone m_freem(mrep); \
|
|
nfsmout:
|
|
|
|
#define nfsm_rndup(a) (((a)+3)&(~0x3))
|
|
#define nfsm_padlen(a) (nfsm_rndup(a) - (a))
|
|
|
|
#define nfsm_request1(v, t, p, c, rexmitp) \
|
|
if ((error = nfs_request((v), mreq, (t), (p), \
|
|
(c), &mrep, &md, &dpos, (rexmitp))) != 0) { \
|
|
if (error & NFSERR_RETERR) \
|
|
error &= ~NFSERR_RETERR; \
|
|
else \
|
|
goto nfsmout; \
|
|
}
|
|
|
|
#define nfsm_request(v, t, p, c) nfsm_request1((v), (t), (p), (c), NULL)
|
|
|
|
#define nfsm_strtom(a,s,m) \
|
|
if ((s) > (m)) { \
|
|
m_freem(mreq); \
|
|
error = ENAMETOOLONG; \
|
|
goto nfsmout; \
|
|
} \
|
|
t2 = nfsm_rndup(s)+NFSX_UNSIGNED; \
|
|
if (t2 <= M_TRAILINGSPACE(mb)) { \
|
|
nfsm_build(tl,u_int32_t *,t2); \
|
|
*tl++ = txdr_unsigned(s); \
|
|
*(tl+((t2>>2)-2)) = 0; \
|
|
memcpy(tl, (const char *)(a), (s)); \
|
|
} else if ((t2 = nfsm_strtmbuf(&mb, &bpos, (a), (s))) != 0) { \
|
|
error = t2; \
|
|
m_freem(mreq); \
|
|
goto nfsmout; \
|
|
}
|
|
|
|
#define nfsm_srvdone \
|
|
nfsmout: \
|
|
return(error)
|
|
|
|
#define nfsm_reply(s) \
|
|
{ \
|
|
nfsd->nd_repstat = error; \
|
|
if (error && !(nfsd->nd_flag & ND_NFSV3)) \
|
|
(void) nfs_rephead(0, nfsd, slp, error, cache, &frev, \
|
|
mrq, &mb, &bpos); \
|
|
else \
|
|
(void) nfs_rephead((s), nfsd, slp, error, cache, &frev, \
|
|
mrq, &mb, &bpos); \
|
|
if (mrep != NULL) { \
|
|
m_freem(mrep); \
|
|
mrep = NULL; \
|
|
} \
|
|
mreq = *mrq; \
|
|
if (error && (!(nfsd->nd_flag & ND_NFSV3) || \
|
|
error == EBADRPC)) {\
|
|
error = 0; \
|
|
goto nfsmout; \
|
|
} \
|
|
}
|
|
|
|
#define nfsm_writereply(s, v3) \
|
|
{ \
|
|
nfsd->nd_repstat = error; \
|
|
if (error && !(v3)) \
|
|
(void) nfs_rephead(0, nfsd, slp, error, cache, &frev, \
|
|
&mreq, &mb, &bpos); \
|
|
else \
|
|
(void) nfs_rephead((s), nfsd, slp, error, cache, &frev, \
|
|
&mreq, &mb, &bpos); \
|
|
}
|
|
|
|
#define nfsm_adv(s) \
|
|
{ t1 = mtod(md, char *) + md->m_len - dpos; \
|
|
if (t1 >= (s)) { \
|
|
dpos += (s); \
|
|
} else if ((t1 = nfs_adv(&md, &dpos, (s), t1)) != 0) { \
|
|
error = t1; \
|
|
m_freem(mrep); \
|
|
goto nfsmout; \
|
|
} }
|
|
|
|
#define nfsm_srvmtofh(nsfh) \
|
|
{ int fhlen = NFSX_V3FH; \
|
|
if (nfsd->nd_flag & ND_NFSV3) { \
|
|
nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
fhlen = fxdr_unsigned(int, *tl); \
|
|
if (fhlen > NFSX_V3FHMAX || \
|
|
(fhlen < FHANDLE_SIZE_MIN && fhlen > 0)) { \
|
|
error = EBADRPC; \
|
|
nfsm_reply(0); \
|
|
} \
|
|
} else { \
|
|
fhlen = NFSX_V2FH; \
|
|
} \
|
|
(nsfh)->nsfh_size = fhlen; \
|
|
if (fhlen != 0) { \
|
|
nfsm_dissect(tl, u_int32_t *, fhlen); \
|
|
memcpy(NFSRVFH_DATA(nsfh), tl, fhlen); \
|
|
} \
|
|
}
|
|
|
|
#define nfsm_clget \
|
|
if (bp >= be) { \
|
|
if (mp == mb) \
|
|
mp->m_len += bp-bpos; \
|
|
mp = m_get(M_WAIT, MT_DATA); \
|
|
MCLAIM(mp, &nfs_mowner); \
|
|
m_clget(mp, M_WAIT); \
|
|
mp->m_len = NFSMSIZ(mp); \
|
|
mp2->m_next = mp; \
|
|
mp2 = mp; \
|
|
bp = mtod(mp, char *); \
|
|
be = bp+mp->m_len; \
|
|
} \
|
|
tl = (u_int32_t *)bp
|
|
|
|
#define nfsm_srvfillattr(a, f) \
|
|
nfsm_srvfattr(nfsd, (a), (f))
|
|
|
|
#define nfsm_srvwcc_data(br, b, ar, a) \
|
|
nfsm_srvwcc(nfsd, (br), (b), (ar), (a), &mb, &bpos)
|
|
|
|
#define nfsm_srvpostop_attr(r, a) \
|
|
nfsm_srvpostopattr(nfsd, (r), (a), &mb, &bpos)
|
|
|
|
#define nfsm_srvsattr(a) \
|
|
{ \
|
|
nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
if (*tl == nfs_true) { \
|
|
nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
(a)->va_mode = nfstov_mode(*tl); \
|
|
} \
|
|
nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
if (*tl == nfs_true) { \
|
|
nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
(a)->va_uid = fxdr_unsigned(uid_t, *tl); \
|
|
} \
|
|
nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
if (*tl == nfs_true) { \
|
|
nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
(a)->va_gid = fxdr_unsigned(gid_t, *tl); \
|
|
} \
|
|
nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
if (*tl == nfs_true) { \
|
|
nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
|
|
(a)->va_size = fxdr_hyper(tl); \
|
|
} \
|
|
nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
switch (fxdr_unsigned(int, *tl)) { \
|
|
case NFSV3SATTRTIME_TOCLIENT: \
|
|
nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
|
|
fxdr_nfsv3time(tl, &(a)->va_atime); \
|
|
break; \
|
|
case NFSV3SATTRTIME_TOSERVER: \
|
|
getnanotime(&(a)->va_atime); \
|
|
(a)->va_vaflags |= VA_UTIMES_NULL; \
|
|
break; \
|
|
}; \
|
|
nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
|
|
switch (fxdr_unsigned(int, *tl)) { \
|
|
case NFSV3SATTRTIME_TOCLIENT: \
|
|
nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
|
|
fxdr_nfsv3time(tl, &(a)->va_mtime); \
|
|
(a)->va_vaflags &= ~VA_UTIMES_NULL; \
|
|
break; \
|
|
case NFSV3SATTRTIME_TOSERVER: \
|
|
getnanotime(&(a)->va_mtime); \
|
|
(a)->va_vaflags |= VA_UTIMES_NULL; \
|
|
break; \
|
|
}; }
|
|
|
|
#endif
|