#ifndef _NFS_NFSM_SUBS_H_
#define _NFS_NFSM_SUBS_H_
#include <sys/appleapiopts.h>
#ifdef __APPLE_API_PRIVATE
int nfsm_reqh(int hsiz, caddr_t *bposp, mbuf_t *mbp);
int nfsm_rpchead(struct ucred *cr, int nmflag, int procid,
int auth_type, int auth_len, char *auth_str,
int verf_len, char *verf_str,
mbuf_t mrest, int mrest_len,
mbuf_t *mbp, u_long *xidp, mbuf_t *mreqp);
#define nfsm_build(a,c,s) \
{ if ((s) > mbuf_trailingspace(mb)) { \
int __nfsm_error; \
__nfsm_error = mbuf_get(MBUF_WAITOK, MBUF_TYPE_DATA, &mb2); \
if (__nfsm_error) \
panic("nfsm_build mbuf_get error %d", __nfsm_error); \
if ((s) > mbuf_maxlen(mb2)) \
panic("nfsm_build size error"); \
__nfsm_error = mbuf_setnext(mb, mb2); \
if (__nfsm_error) \
panic("nfsm_build mbuf_setnext error %d", __nfsm_error); \
mb = mb2; \
bpos = mbuf_data(mb); \
} \
(a) = (c)(bpos); \
mbuf_setlen(mb, (mbuf_len(mb) + (s))); \
bpos += (s); }
#define nfsm_dissect(a, c, s) \
{ t1 = ((caddr_t)mbuf_data(md)) + mbuf_len(md) - dpos; \
if (t1 >= (s)) { \
(a) = (c)(dpos); \
dpos += (s); \
} else if ((t1 = nfsm_disct(&md, &dpos, (s), t1, &cp2))) { \
error = t1; \
mbuf_freem(mrep); \
goto nfsmout; \
} else { \
(a) = (c)cp2; \
} }
#define nfsm_fhtom(v, v3) \
{ if (v3) { \
t2 = nfsm_rndup(VTONFS(v)->n_fhsize) + NFSX_UNSIGNED; \
if (t2 <= mbuf_trailingspace(mb)) { \
nfsm_build(tl, u_long *, t2); \
*tl++ = txdr_unsigned(VTONFS(v)->n_fhsize); \
*(tl + ((t2>>2) - 2)) = 0; \
bcopy((caddr_t)VTONFS(v)->n_fhp,(caddr_t)tl, \
VTONFS(v)->n_fhsize); \
} else if ((t2 = nfsm_strtmbuf(&mb, &bpos, \
(caddr_t)VTONFS(v)->n_fhp, VTONFS(v)->n_fhsize))) { \
error = t2; \
mbuf_freem(mreq); \
goto nfsmout; \
} \
} else { \
nfsm_build(cp, caddr_t, NFSX_V2FH); \
bcopy((caddr_t)VTONFS(v)->n_fhp, cp, NFSX_V2FH); \
} }
#define nfsm_srvfhtom(f, v3) \
{ if (v3) { \
nfsm_build(tl, u_long *, NFSX_UNSIGNED + (unsigned)(f)->nfh_len); \
*tl++ = txdr_unsigned((f)->nfh_len); \
bcopy((caddr_t)&(f)->nfh_xh, (caddr_t)tl, (f)->nfh_len); \
} else { \
nfsm_build(cp, caddr_t, NFSX_V2FH); \
bcopy((caddr_t)&(f)->nfh_xh, cp, NFSX_V2FH); \
} }
#define nfsm_srvpostop_fh(f) \
{ nfsm_build(tl, u_long *, 2 * NFSX_UNSIGNED + (unsigned)(f)->nfh_len); \
*tl++ = nfs_true; \
*tl++ = txdr_unsigned((f)->nfh_len); \
bcopy((caddr_t)&(f)->nfh_xh, (caddr_t)tl, (f)->nfh_len); \
}
#define nfsm_mtofh(d, cnp, v, v3, xp, f) \
{ \
struct nfsnode *ttnp; u_char *ttfhp = NULL; \
int ttfhsize = 0, ttgotfh = 1, ttgotattr = 1, ttgotnode = 0; \
struct nfs_vattr ttvattr; \
(v) = NULL; \
\
if (v3) { \
nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
ttgotfh = fxdr_unsigned(int, *tl); \
} \
if (ttgotfh) { \
\
nfsm_getfh(ttfhp, ttfhsize, (v3)); \
} \
if (v3) { \
nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
ttgotattr = fxdr_unsigned(int, *tl); \
} \
\
if (ttgotattr) { \
if (!ttgotfh) { \
nfsm_adv(NFSX_V3FATTR); \
} else { \
nfsm_attr_get(v3, &ttvattr); \
} \
} else if (ttgotfh) { \
\
\
t1 = nfs_getattr_no_vnode(vnode_mount(d), \
ttfhp, ttfhsize, cred, p, &ttvattr, xp); \
if (t1) \
ttgotattr = 0; \
} \
if (ttgotfh && ttgotattr) { \
int ttngflags = NG_MAKEENTRY; \
if ((t1 = nfs_nget(vnode_mount(d), d, cnp, ttfhp, ttfhsize, \
&ttvattr, xp, ttngflags, &ttnp))) { \
error = t1; \
ttgotnode = 0; \
} else { \
ttgotnode = 1; \
(v) = NFSTOV(ttnp); \
} \
} \
(f) = ttgotnode; \
}
#define nfsm_getfh(f, s, v3) \
{ if (v3) { \
nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
if (((s) = fxdr_unsigned(int, *tl)) <= 0 || \
(s) > NFSX_V3FHMAX) { \
mbuf_freem(mrep); \
error = EBADRPC; \
goto nfsmout; \
} \
} else { \
(s) = NFSX_V2FH; \
} \
nfsm_dissect((f), u_char *, nfsm_rndup(s)); }
#define nfsm_loadattr(v, v3, a, x) \
{ struct nfs_vattr ttvattr; \
if ((t1 = nfs_parsefattr(&md, &dpos, v3, &ttvattr))) { \
error = t1; \
mbuf_freem(mrep); \
goto nfsmout; \
} \
if ((t1 = nfs_loadattrcache(VTONFS(v), &ttvattr, (x), 0))) { \
error = t1; \
mbuf_freem(mrep); \
goto nfsmout; \
} \
if (a) { \
bcopy(&ttvattr, (a), sizeof(ttvattr)); \
} \
}
#define nfsm_attr_get(v3, vap) \
{ \
if ((t1 = nfs_parsefattr(&md, &dpos, v3, vap))) { \
error = t1; \
mbuf_freem(mrep); \
goto nfsmout; \
} \
}
#define nfsm_postop_attr_get(v3, f, vap) \
{ \
nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
if (((f) = fxdr_unsigned(int, *tl))) { \
if ((t1 = nfs_parsefattr(&md, &dpos, v3, vap))) { \
error = t1; \
(f) = 0; \
mbuf_freem(mrep); \
goto nfsmout; \
} \
} }
#define nfsm_postop_attr_update(v, v3, f, x) \
{ \
nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
if (((f) = fxdr_unsigned(int, *tl))) { \
struct nfs_vattr ttvattr; \
if ((t1 = nfs_parsefattr(&md, &dpos, v3, &ttvattr))) { \
error = t1; \
(f) = 0; \
mbuf_freem(mrep); \
goto nfsmout; \
} \
if ((t1 = nfs_loadattrcache(VTONFS(v), &ttvattr, (x), 1))) { \
error = t1; \
(f) = 0; \
mbuf_freem(mrep); \
goto nfsmout; \
} \
if (*(x) == 0) \
(f) = 0; \
} }
#define nfsm_wcc_data(v, premtime, newpostattr, x) \
{ \
nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
if (*tl == nfs_true) { \
nfsm_dissect(tl, u_long *, 6 * NFSX_UNSIGNED); \
(premtime)->tv_sec = fxdr_unsigned(time_t, *(tl + 2)); \
(premtime)->tv_nsec = fxdr_unsigned(time_t, *(tl + 3)); \
} else { \
(premtime)->tv_sec = 0; \
(premtime)->tv_nsec = 0; \
} \
nfsm_postop_attr_update((v), 1, (newpostattr), (x)); \
}
#define nfsm_v3sattr(vap) \
{\
struct timeval now; \
if (VATTR_IS_ACTIVE(vap, va_mode)) { \
nfsm_build(tl, u_long *, 2 * NFSX_UNSIGNED); \
*tl++ = nfs_true; \
*tl = txdr_unsigned(vap->va_mode); \
} else { \
nfsm_build(tl, u_long *, NFSX_UNSIGNED); \
*tl = nfs_false; \
} \
if (VATTR_IS_ACTIVE(vap, va_uid)) { \
nfsm_build(tl, u_long *, 2 * NFSX_UNSIGNED); \
*tl++ = nfs_true; \
*tl = txdr_unsigned(vap->va_uid); \
} else { \
nfsm_build(tl, u_long *, NFSX_UNSIGNED); \
*tl = nfs_false; \
} \
if (VATTR_IS_ACTIVE(vap, va_gid)) { \
nfsm_build(tl, u_long *, 2 * NFSX_UNSIGNED); \
*tl++ = nfs_true; \
*tl = txdr_unsigned(vap->va_gid); \
} else { \
nfsm_build(tl, u_long *, NFSX_UNSIGNED); \
*tl = nfs_false; \
} \
if (VATTR_IS_ACTIVE(vap, va_data_size)) { \
nfsm_build(tl, u_long *, 3 * NFSX_UNSIGNED); \
*tl++ = nfs_true; \
txdr_hyper(&vap->va_data_size, tl); \
} else { \
nfsm_build(tl, u_long *, NFSX_UNSIGNED); \
*tl = nfs_false; \
} \
microtime(&now); \
if (VATTR_IS_ACTIVE(vap, va_access_time)) { \
if (vap->va_access_time.tv_sec != now.tv_sec) { \
nfsm_build(tl, u_long *, 3 * NFSX_UNSIGNED); \
*tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT); \
txdr_nfsv3time(&vap->va_access_time, tl); \
} else { \
nfsm_build(tl, u_long *, NFSX_UNSIGNED); \
*tl = txdr_unsigned(NFSV3SATTRTIME_TOSERVER); \
} \
} else { \
nfsm_build(tl, u_long *, NFSX_UNSIGNED); \
*tl = txdr_unsigned(NFSV3SATTRTIME_DONTCHANGE); \
} \
if (VATTR_IS_ACTIVE(vap, va_modify_time)) { \
if (vap->va_modify_time.tv_sec != now.tv_sec) { \
nfsm_build(tl, u_long *, 3 * NFSX_UNSIGNED); \
*tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT); \
txdr_nfsv3time(&vap->va_modify_time, tl); \
} else { \
nfsm_build(tl, u_long *, NFSX_UNSIGNED); \
*tl = txdr_unsigned(NFSV3SATTRTIME_TOSERVER); \
} \
} else { \
nfsm_build(tl, u_long *, NFSX_UNSIGNED); \
*tl = txdr_unsigned(NFSV3SATTRTIME_DONTCHANGE); \
} \
}
#define nfsm_strsiz(s,m,v3) \
{ nfsm_dissect(tl,u_long *,NFSX_UNSIGNED); \
(s) = fxdr_unsigned(long,*tl); \
if (!(v3) && ((s) > (m))) { \
mbuf_freem(mrep); \
error = EBADRPC; \
goto nfsmout; \
} }
#define nfsm_srvstrsiz(s,m) \
{ nfsm_dissect(tl,u_long *,NFSX_UNSIGNED); \
if (((s) = fxdr_unsigned(long,*tl)) > (m) || (s) <= 0) { \
error = EBADRPC; \
nfsm_reply(0); \
} }
#define nfsm_srvnamesiz(s,v3) \
{ nfsm_dissect(tl,u_long *,NFSX_UNSIGNED); \
(s) = fxdr_unsigned(long,*tl); \
if (!(v3) && ((s) > NFS_MAXNAMLEN)) \
error = NFSERR_NAMETOL; \
if ((s) <= 0) \
error = EBADRPC; \
if (error) \
nfsm_reply(0); \
}
#define nfsm_mtouio(p,s) \
if ((s) > 0 && \
(t1 = nfsm_mbuftouio(&md,(p),(s),&dpos))) { \
error = t1; \
mbuf_freem(mrep); \
goto nfsmout; \
}
#define nfsm_uiotom(p,s) \
if ((t1 = nfsm_uiotombuf((p),&mb,(s),&bpos))) { \
error = t1; \
mbuf_freem(mreq); \
goto nfsmout; \
}
#define nfsm_reqhead(s) \
error = nfsm_reqh((s), &bpos, &mreq); \
mb = mreq;
#define nfsm_reqdone mbuf_freem(mrep); \
nfsmout:
#define nfsm_rndup(a) (((a)+3)&(~0x3))
#define nfsm_request(v, t, p, c, x) \
if ((error = nfs_request((v), vnode_mount(v), mreq, (t), (p), \
(c), &mrep, &md, &dpos, (x)))) { \
if (error & NFSERR_RETERR) \
error &= ~NFSERR_RETERR; \
else \
goto nfsmout; \
}
#define nfsm_strtom(a,s,m,v3) \
if (!(v3) && ((s) > (m))) { \
mbuf_freem(mreq); \
error = ENAMETOOLONG; \
goto nfsmout; \
} \
t2 = nfsm_rndup(s)+NFSX_UNSIGNED; \
if (t2 <= mbuf_trailingspace(mb)) { \
nfsm_build(tl,u_long *,t2); \
*tl++ = txdr_unsigned(s); \
*(tl+((t2>>2)-2)) = 0; \
bcopy((caddr_t)(a), (caddr_t)tl, (s)); \
} else if ((t2 = nfsm_strtmbuf(&mb, &bpos, (a), (s)))) { \
error = t2; \
mbuf_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)) \
nfs_rephead(0, nfsd, slp, error, mrq, &mb, &bpos); \
else \
nfs_rephead((s), nfsd, slp, error, mrq, &mb, &bpos); \
mbuf_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)) \
nfs_rephead(0, nfsd, slp, error, &mreq, &mb, &bpos); \
else \
nfs_rephead((s), nfsd, slp, error, &mreq, &mb, &bpos); \
}
#define nfsm_adv(s) \
{ t1 = ((caddr_t)mbuf_data(md)) + mbuf_len(md) - dpos; \
if (t1 >= (s)) { \
dpos += (s); \
} else if ((t1 = nfs_adv(&md, &dpos, (s), t1))) { \
error = t1; \
mbuf_freem(mrep); \
goto nfsmout; \
} }
#define nfsm_srvmtofh(f) \
{ \
if (nfsd->nd_flag & ND_NFSV3) { \
nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
(f)->nfh_len = fxdr_unsigned(int, *tl); \
if (((f)->nfh_len < (int)sizeof(struct nfs_exphandle)) || \
((f)->nfh_len > NFSX_V3FHMAX)) { \
error = EBADRPC; \
nfsm_reply(0); \
} \
} else { \
(f)->nfh_len = NFSX_V2FH; \
} \
nfsm_dissect(tl, u_long *, (f)->nfh_len); \
bcopy((caddr_t)tl, (caddr_t)&(f)->nfh_xh, (f)->nfh_len); \
}
#define nfsm_clget \
if (bp >= be) { \
int __nfsm_error, __nfsm_len; \
if (mp == mb) \
mbuf_setlen(mp, mbuf_len(mp) + bp - bpos); \
mp = NULL; \
__nfsm_error = mbuf_mclget(MBUF_WAITOK, MBUF_TYPE_DATA, &mp); \
if (__nfsm_error) \
panic("nfsm_clget: mbuf_mclget error %d", __nfsm_error); \
__nfsm_len = mbuf_maxlen(mp); \
mbuf_setlen(mp, __nfsm_len); \
__nfsm_error = mbuf_setnext(mp2, mp); \
if (__nfsm_error) \
panic("nfsm_clget: mbuf_setnext error %d", __nfsm_error); \
mp2 = mp; \
bp = mbuf_data(mp); \
be = bp + __nfsm_len; \
} \
tl = (u_long *)bp
#define nfsm_srv_vattr_init(vap, v3) \
{ \
VATTR_INIT(vap); \
VATTR_WANTED((vap), va_type); \
VATTR_WANTED((vap), va_mode); \
VATTR_WANTED((vap), va_nlink); \
VATTR_WANTED((vap), va_uid); \
VATTR_WANTED((vap), va_gid); \
VATTR_WANTED((vap), va_data_size); \
VATTR_WANTED((vap), va_data_alloc); \
VATTR_WANTED((vap), va_rdev); \
VATTR_WANTED((vap), va_fsid); \
VATTR_WANTED((vap), va_fileid); \
VATTR_WANTED((vap), va_access_time); \
VATTR_WANTED((vap), va_modify_time); \
VATTR_WANTED((vap), va_change_time); \
if (!v3) VATTR_WANTED((vap), va_iosize); \
}
#define nfsm_srv_pre_vattr_init(vap, v3) \
{ \
VATTR_INIT(vap); \
VATTR_WANTED((vap), va_data_size); \
VATTR_WANTED((vap), va_modify_time); \
VATTR_WANTED((vap), va_change_time); \
}
#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) \
{ \
struct timespec now; \
nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
if (*tl == nfs_true) { \
nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
VATTR_SET(a, va_mode, nfstov_mode(*tl)); \
} \
nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
if (*tl == nfs_true) { \
nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
VATTR_SET(a, va_uid, fxdr_unsigned(uid_t, *tl)); \
} \
nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
if (*tl == nfs_true) { \
nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
VATTR_SET(a, va_gid, fxdr_unsigned(gid_t, *tl)); \
} \
nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
if (*tl == nfs_true) { \
nfsm_dissect(tl, u_long *, 2 * NFSX_UNSIGNED); \
fxdr_hyper(tl, &(a)->va_data_size); \
VATTR_SET_ACTIVE(a, va_data_size); \
} \
nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
nanotime(&now); \
switch (fxdr_unsigned(int, *tl)) { \
case NFSV3SATTRTIME_TOCLIENT: \
nfsm_dissect(tl, u_long *, 2 * NFSX_UNSIGNED); \
fxdr_nfsv3time(tl, &(a)->va_access_time); \
VATTR_SET_ACTIVE(a, va_access_time); \
break; \
case NFSV3SATTRTIME_TOSERVER: \
VATTR_SET(a, va_access_time, now); \
break; \
}; \
nfsm_dissect(tl, u_long *, NFSX_UNSIGNED); \
switch (fxdr_unsigned(int, *tl)) { \
case NFSV3SATTRTIME_TOCLIENT: \
nfsm_dissect(tl, u_long *, 2 * NFSX_UNSIGNED); \
fxdr_nfsv3time(tl, &(a)->va_modify_time); \
VATTR_SET_ACTIVE(a, va_modify_time); \
break; \
case NFSV3SATTRTIME_TOSERVER: \
VATTR_SET(a, va_modify_time, now); \
break; \
}; }
#endif
#endif