int
doclri(File *f)
{
Iobuf *p, *p1;
Dentry *d, *d1;
int err;
err = 0;
p = 0;
p1 = 0;
if(f->fs->dev->type == Devro) {
err = Eronly;
goto out;
}
/*
* check on parent directory of file to be deleted
*/
if(f->wpath == 0 || f->wpath->addr == f->addr) {
err = Ephase;
goto out;
}
p1 = getbuf(f->fs->dev, f->wpath->addr, Brd);
d1 = getdir(p1, f->wpath->slot);
if(!d1 || checktag(p1, Tdir, QPNONE) || !(d1->mode & DALLOC)) {
err = Ephase;
goto out;
}
accessdir(p1, d1, FWRITE, 0);
putbuf(p1);
p1 = 0;
/*
* check on file to be deleted
*/
p = getbuf(f->fs->dev, f->addr, Brd);
d = getdir(p, f->slot);
/*
* do it
*/
memset(d, 0, sizeof(Dentry));
settag(p, Tdir, QPNONE);
freewp(f->wpath);
freefp(f);
out:
if(p1)
putbuf(p1);
if(p)
putbuf(p);
return err;
}
/*
* truncate d (in p) to zero length.
* freeing blocks in reverse order is traditional, from Unix,
* in an attempt to keep the free list contiguous.
*/
void
dtrunc(Iobuf *p, Dentry *d, int uid)
{
int i;
for (i = NIBLOCK-1; i >= 0; i--) {
buffree(p->dev, d->iblocks[i], i+1, nil);
d->iblocks[i] = 0;
}
for (i = NDBLOCK-1; i >= 0; i--) {
buffree(p->dev, d->dblock[i], 0, nil);
d->dblock[i] = 0;
}
d->size = 0;
p->flags |= Bmod|Bimm;
accessdir(p, d, FWRITE, uid);
}
void
dtrunc(Iobuf *p, Dentry *d)
{
int i;
bfree(p->dev, d->diblock, 2);
d->diblock = 0;
bfree(p->dev, d->iblock, 1);
d->iblock = 0;
for(i=NDBLOCK-1; i>=0; i--) {
bfree(p->dev, d->dblock[i], 0);
d->dblock[i] = 0;
}
d->size = 0;
p->flags |= Bmod|Bimm;
accessdir(p, d, FWRITE);
}
/*
* truncate d (in p) to length `newsize'.
* if larger, just increase size.
* if smaller, deallocate blocks after last one
* still in file at new size. last byte to keep
* is newsize-1, due to zero origin.
* we free in forward order because it's simpler to get right.
* if the final block at the new size is partially-filled,
* zero the remainder.
*/
int
dtrunclen(Iobuf *p, Dentry *d, Off newsize, int uid)
{
int i, pastlast;
Truncstate trunc;
if (newsize <= 0) {
dtrunc(p, d, uid);
return 0;
}
memset(&trunc, 0, sizeof trunc);
trunc.d = d;
trunc.p = p;
trunc.uid = uid;
trunc.newsize = newsize;
trunc.lastblk = newsize/BUFSIZE;
if (newsize % BUFSIZE == 0)
trunc.lastblk--;
else
trunczero(&trunc);
for (i = 0; i < NDBLOCK; i++)
if (trunc.pastlast) {
trunc.relblk = i;
buffree(p->dev, d->dblock[i], 0, &trunc);
d->dblock[i] = 0;
} else if (i == trunc.lastblk)
trunc.pastlast = 1;
trunc.relblk = NDBLOCK;
for (i = 0; i < NIBLOCK; i++) {
pastlast = trunc.pastlast;
buffree(p->dev, d->iblocks[i], i+1, &trunc);
if (pastlast)
d->iblocks[i] = 0;
}
d->size = newsize;
p->flags |= Bmod|Bimm;
accessdir(p, d, FWRITE, uid);
return trunc.err;
}
int
doremove(File *f, int iscon)
{
Iobuf *p, *p1;
Dentry *d, *d1;
int32_t addr;
int slot, err;
p = 0;
p1 = 0;
if(isro(f->fs->dev) || (f->cp != cons.chan && writegroup && !ingroup(f->uid, writegroup))) {
err = Eronly;
goto out;
}
/*
* check on parent directory of file to be deleted
*/
if(f->wpath == 0 || f->wpath->addr == f->addr) {
err = Ephase;
goto out;
}
p1 = getbuf(f->fs->dev, f->wpath->addr, Bread);
d1 = getdir(p1, f->wpath->slot);
if(!d1 || checktag(p1, Tdir, QPNONE) || !(d1->mode & DALLOC)) {
err = Ephase;
goto out;
}
if(!iscon && iaccess(f, d1, DWRITE)) {
err = Eaccess;
goto out;
}
accessdir(p1, d1, FWRITE);
putbuf(p1);
p1 = 0;
/*
* check on file to be deleted
*/
p = getbuf(f->fs->dev, f->addr, Bread);
d = getdir(p, f->slot);
if(!d || checktag(p, Tdir, QPNONE) || !(d->mode & DALLOC)) {
err = Ealloc;
goto out;
}
if(err = mkqidcmp(&f->qid, d))
goto out;
/*
* if deleting a directory, make sure it is empty
*/
if((d->mode & DDIR))
for(addr=0;; addr++) {
p1 = dnodebuf(p, d, addr, 0);
if(!p1)
break;
if(checktag(p1, Tdir, d->qid.path)) {
err = Ephase;
goto out;
}
for(slot=0; slot<DIRPERBUF; slot++) {
d1 = getdir(p1, slot);
if(!(d1->mode & DALLOC))
continue;
err = Eempty;
goto out;
}
putbuf(p1);
}
/*
* do it
*/
dtrunc(p, d);
memset(d, 0, sizeof(Dentry));
settag(p, Tdir, QPNONE);
out:
if(p1)
putbuf(p1);
if(p)
putbuf(p);
return err;
}
void
f_attach(Chan *cp, Oldfcall *in, Oldfcall *ou)
{
Iobuf *p;
Dentry *d;
File *f;
int u;
Filsys *fs;
int32_t raddr;
if(CHAT(cp)) {
print("c_attach %d\n", cp->chan);
print(" fid = %d\n", in->fid);
print(" uid = %s\n", in->uname);
print(" arg = %s\n", in->aname);
}
ou->qid = QID9P1(0,0);
ou->fid = in->fid;
if(!in->aname[0]) /* default */
strncpy(in->aname, filesys[0].name, sizeof(in->aname));
p = 0;
f = filep(cp, in->fid, 1);
if(!f) {
ou->err = Efid;
goto out;
}
u = -1;
if(cp != cons.chan){
if(authorize(cp, in, ou) == 0 || strcmp(in->uname, "adm") == 0){
ou->err = Eauth;
goto out;
}
u = strtouid(in->uname);
if(u < 0){
ou->err = Ebadu;
goto out;
}
}
fs = fsstr(in->aname);
if(fs == 0) {
ou->err = Ebadspc;
goto out;
}
raddr = getraddr(fs->dev);
p = getbuf(fs->dev, raddr, Bread);
d = getdir(p, 0);
if(!d || checktag(p, Tdir, QPROOT) || !(d->mode & DALLOC)) {
ou->err = Ealloc;
goto out;
}
f->uid = u;
if(iaccess(f, d, DREAD)) {
ou->err = Eaccess;
goto out;
}
accessdir(p, d, FREAD);
mkqid(&f->qid, d, 1);
f->fs = fs;
f->addr = raddr;
f->slot = 0;
f->open = 0;
freewp(f->wpath);
f->wpath = 0;
mkqid9p1(&ou->qid, &f->qid);
out:
if(p)
putbuf(p);
if(f) {
qunlock(f);
if(ou->err)
freefp(f);
}
}
void
f_write(Chan *cp, Oldfcall *in, Oldfcall *ou)
{
Iobuf *p, *p1;
Dentry *d;
File *f;
Tlock *t;
int32_t offset, addr, tim;
int count, nwrite, o, n;
if(CHAT(cp)) {
print("c_write %d\n", cp->chan);
print(" fid = %d\n", in->fid);
print(" offset = %ld\n", in->offset);
print(" count = %ld\n", in->count);
}
offset = in->offset;
count = in->count;
nwrite = 0;
p = 0;
f = filep(cp, in->fid, 0);
if(!f) {
ou->err = Efid;
goto out;
}
if(!(f->open & FWRITE)) {
ou->err = Eopen;
goto out;
}
if(isro(f->fs->dev) || (cp != cons.chan && writegroup && !ingroup(f->uid, writegroup))) {
ou->err = Eronly;
goto out;
}
if(count < 0 || count > MAXDAT) {
ou->err = Ecount;
goto out;
}
if(offset < 0) {
ou->err = Eoffset;
goto out;
}
p = getbuf(f->fs->dev, f->addr, Bread|Bmod);
d = getdir(p, f->slot);
if(!d || !(d->mode & DALLOC)) {
ou->err = Ealloc;
goto out;
}
if(ou->err = mkqidcmp(&f->qid, d))
goto out;
if(t = f->tlock) {
tim = time(0);
if(t->time < tim || t->file != f) {
ou->err = Ebroken;
goto out;
}
/* renew the lock */
t->time = tim + TLOCK;
}
accessdir(p, d, FWRITE);
if(d->mode & DAPND)
offset = d->size;
if(offset+count > d->size)
d->size = offset+count;
while(count > 0) {
addr = offset / BUFSIZE;
o = offset % BUFSIZE;
n = BUFSIZE - o;
if(n > count)
n = count;
p1 = dnodebuf(p, d, addr, Tfile);
if(p1 == 0) {
ou->err = Efull;
goto out;
}
if(checktag(p1, Tfile, d->qid.path)) {
putbuf(p1);
ou->err = Ephase;
goto out;
}
memmove(p1->iobuf+o, in->data+nwrite, n);
p1->flags |= Bmod;
putbuf(p1);
count -= n;
nwrite += n;
offset += n;
}
if(CHAT(cp))
print(" nwrite = %d\n", nwrite);
out:
if(p)
putbuf(p);
if(f)
qunlock(f);
ou->fid = in->fid;
ou->count = nwrite;
}
void
f_read(Chan *cp, Oldfcall *in, Oldfcall *ou)
{
Iobuf *p, *p1;
File *f;
Dentry *d, *d1;
Tlock *t;
int32_t addr, offset, tim;
int nread, count, n, o, slot;
if(CHAT(cp)) {
print("c_read %d\n", cp->chan);
print(" fid = %d\n", in->fid);
print(" offset = %ld\n", in->offset);
print(" count = %ld\n", in->count);
}
p = 0;
count = in->count;
offset = in->offset;
nread = 0;
f = filep(cp, in->fid, 0);
if(!f) {
ou->err = Efid;
goto out;
}
if(!(f->open & FREAD)) {
ou->err = Eopen;
goto out;
}
if(count < 0 || count > MAXDAT) {
ou->err = Ecount;
goto out;
}
if(offset < 0) {
ou->err = Eoffset;
goto out;
}
p = getbuf(f->fs->dev, f->addr, Bread);
d = getdir(p, f->slot);
if(!d || !(d->mode & DALLOC)) {
ou->err = Ealloc;
goto out;
}
if(ou->err = mkqidcmp(&f->qid, d))
goto out;
if(t = f->tlock) {
tim = time(0);
if(t->time < tim || t->file != f) {
ou->err = Ebroken;
goto out;
}
/* renew the lock */
t->time = tim + TLOCK;
}
accessdir(p, d, FREAD);
if(d->mode & DDIR) {
addr = 0;
goto dread;
}
if(offset+count > d->size)
count = d->size - offset;
while(count > 0) {
addr = offset / BUFSIZE;
if(addr == f->lastra+1)
dbufread(p, d, addr+1);
f->lastra = addr;
o = offset % BUFSIZE;
n = BUFSIZE - o;
if(n > count)
n = count;
p1 = dnodebuf(p, d, addr, 0);
if(p1) {
if(checktag(p1, Tfile, QPNONE)) {
ou->err = Ephase;
putbuf(p1);
goto out;
}
memmove(ou->data+nread, p1->iobuf+o, n);
putbuf(p1);
} else
memset(ou->data+nread, 0, n);
count -= n;
nread += n;
offset += n;
}
goto out;
dread:
p1 = dnodebuf(p, d, addr, 0);
if(!p1)
goto out;
if(checktag(p1, Tdir, QPNONE)) {
ou->err = Ephase;
putbuf(p1);
goto out;
}
n = DIRREC;
for(slot=0; slot<DIRPERBUF; slot++) {
d1 = getdir(p1, slot);
if(!(d1->mode & DALLOC))
continue;
if(offset >= n) {
offset -= n;
continue;
}
if(count < n) {
putbuf(p1);
goto out;
}
if(convD2M9p1(d1, ou->data+nread) != n)
print("dirread convD2M\n");
nread += n;
count -= n;
}
putbuf(p1);
addr++;
goto dread;
out:
count = in->count - nread;
if(count > 0)
memset(ou->data+nread, 0, count);
if(p)
putbuf(p);
if(f)
qunlock(f);
ou->fid = in->fid;
ou->count = nread;
if(CHAT(cp))
print(" nread = %d\n", nread);
}
void
f_create(Chan *cp, Oldfcall *in, Oldfcall *ou)
{
Iobuf *p, *p1;
Dentry *d, *d1;
File *f;
int slot, slot1, fmod;
int32_t addr, addr1, path;
Qid qid;
Tlock *t;
Wpath *w;
if(CHAT(cp)) {
print("c_create %d\n", cp->chan);
print(" fid = %d\n", in->fid);
print(" name = %s\n", in->name);
print(" perm = %lx+%lo\n", (in->perm>>28)&0xf,
in->perm&0777);
print(" mode = %d\n", in->mode);
}
p = 0;
f = filep(cp, in->fid, 0);
if(!f) {
ou->err = Efid;
goto out;
}
if(isro(f->fs->dev) || (cp != cons.chan && writegroup && !ingroup(f->uid, writegroup))) {
ou->err = Eronly;
goto out;
}
p = getbuf(f->fs->dev, f->addr, Bread);
d = getdir(p, f->slot);
if(!d || checktag(p, Tdir, QPNONE) || !(d->mode & DALLOC)) {
ou->err = Ealloc;
goto out;
}
if(ou->err = mkqidcmp(&f->qid, d))
goto out;
if(!(d->mode & DDIR)) {
ou->err = Edir2;
goto out;
}
if(cp != cons.chan && iaccess(f, d, DWRITE) && !writeallow) {
ou->err = Eaccess;
goto out;
}
accessdir(p, d, FREAD);
if(!strncmp(in->name, ".", sizeof(in->name)) ||
!strncmp(in->name, "..", sizeof(in->name))) {
ou->err = Edot;
goto out;
}
if(checkname(in->name)) {
ou->err = Ename;
goto out;
}
addr1 = 0;
slot1 = 0; /* set */
for(addr=0;; addr++) {
p1 = dnodebuf(p, d, addr, 0);
if(!p1) {
if(addr1)
break;
p1 = dnodebuf(p, d, addr, Tdir);
}
if(p1 == 0) {
ou->err = Efull;
goto out;
}
if(checktag(p1, Tdir, d->qid.path)) {
putbuf(p1);
goto phase;
}
for(slot=0; slot<DIRPERBUF; slot++) {
d1 = getdir(p1, slot);
if(!(d1->mode & DALLOC)) {
if(!addr1) {
addr1 = p1->addr;
slot1 = slot + addr*DIRPERBUF;
}
continue;
}
if(!strncmp(in->name, d1->name, sizeof(in->name))) {
putbuf(p1);
ou->err = Eexist;
goto out;
}
}
putbuf(p1);
}
switch(in->mode & 7) {
case MEXEC:
case MREAD: /* seems only useful to make directories */
fmod = FREAD;
break;
case MWRITE:
fmod = FWRITE;
break;
case MBOTH:
fmod = FREAD+FWRITE;
break;
default:
ou->err = Emode;
goto out;
}
if(in->perm & PDIR)
if((in->mode & MTRUNC) || (in->perm & PAPND) || (fmod & FWRITE))
goto badaccess;
/*
* do it
*/
path = qidpathgen(&f->fs->dev);
p1 = getbuf(f->fs->dev, addr1, Bread|Bimm|Bmod);
d1 = getdir(p1, slot1);
if(!d1 || checktag(p1, Tdir, d->qid.path)) {
if(p1)
putbuf(p1);
goto phase;
}
if(d1->mode & DALLOC) {
putbuf(p1);
goto phase;
}
strncpy(d1->name, in->name, sizeof(in->name));
/*
* bogus argument passing -- see console.c
*/
if(cp == cons.chan) {
d1->uid = cons.uid;
d1->gid = cons.gid;
} else {
d1->uid = f->uid;
d1->gid = d->gid;
in->perm &= d->mode | ~0666;
if(in->perm & PDIR)
in->perm &= d->mode | ~0777;
}
d1->qid.path = path;
d1->qid.version = 0;
d1->mode = DALLOC | (in->perm & 0777);
if(in->perm & PDIR) {
d1->mode |= DDIR;
d1->qid.path |= QPDIR;
}
if(in->perm & PAPND)
d1->mode |= DAPND;
t = 0;
if(in->perm & PLOCK) {
d1->mode |= DLOCK;
t = tlocked(p1, d1);
}
accessdir(p1, d1, FWRITE);
mkqid(&qid, d1, 0);
putbuf(p1);
accessdir(p, d, FWRITE);
/*
* do a walk to new directory entry
*/
w = newwp();
if(!w) {
ou->err = Ewalk;
goto out;
}
w->addr = f->addr;
w->slot = f->slot;
w->up = f->wpath;
f->wpath = w;
f->qid = qid;
f->tlock = t;
f->lastra = 0;
if(in->mode & MRCLOSE)
fmod |= FREMOV;
f->open = fmod;
f->addr = addr1;
f->slot = slot1;
if(t)
t->file = f;
mkqid9p1(&ou->qid, &qid);
goto out;
badaccess:
ou->err = Eaccess;
goto out;
phase:
ou->err = Ephase;
out:
if(p)
putbuf(p);
if(f)
qunlock(f);
ou->fid = in->fid;
}
void
f_walk(Chan *cp, Oldfcall *in, Oldfcall *ou)
{
Iobuf *p, *p1;
Dentry *d, *d1;
File *f;
Wpath *w, *ow;
int slot;
int32_t addr;
if(CHAT(cp)) {
print("c_walk %d\n", cp->chan);
print(" fid = %d\n", in->fid);
print(" name = %s\n", in->name);
}
ou->fid = in->fid;
ou->qid = QID9P1(0,0);
p = 0;
f = filep(cp, in->fid, 0);
if(!f) {
ou->err = Efid;
goto out;
}
p = getbuf(f->fs->dev, f->addr, Bread);
d = getdir(p, f->slot);
if(!d || checktag(p, Tdir, QPNONE) || !(d->mode & DALLOC)) {
ou->err = Ealloc;
goto out;
}
if(!(d->mode & DDIR)) {
ou->err = Edir1;
goto out;
}
if(ou->err = mkqidcmp(&f->qid, d))
goto out;
if(cp != cons.chan && iaccess(f, d, DEXEC)) {
ou->err = Eaccess;
goto out;
}
accessdir(p, d, FREAD);
if(strcmp(in->name, ".") == 0)
goto setdot;
if(strcmp(in->name, "..") == 0) {
if(f->wpath == 0)
goto setdot;
putbuf(p);
p = 0;
addr = f->wpath->addr;
slot = f->wpath->slot;
p1 = getbuf(f->fs->dev, addr, Bread);
d1 = getdir(p1, slot);
if(!d1 || checktag(p1, Tdir, QPNONE) || !(d1->mode & DALLOC)) {
if(p1)
putbuf(p1);
ou->err = Ephase;
goto out;
}
ow = f->wpath;
f->wpath = ow->up;
putwp(ow);
goto found;
}
for(addr=0;; addr++) {
p1 = dnodebuf(p, d, addr, 0);
if(!p1 || checktag(p1, Tdir, d->qid.path) ) {
if(p1)
putbuf(p1);
ou->err = Eentry;
goto out;
}
for(slot=0; slot<DIRPERBUF; slot++) {
d1 = getdir(p1, slot);
if(!(d1->mode & DALLOC))
continue;
if(strncmp(in->name, d1->name, sizeof(in->name)))
continue;
/*
* update walk path
*/
w = newwp();
if(!w) {
ou->err = Ewalk;
putbuf(p1);
goto out;
}
w->addr = f->addr;
w->slot = f->slot;
w->up = f->wpath;
f->wpath = w;
slot += DIRPERBUF*addr;
goto found;
}
putbuf(p1);
}
found:
f->addr = p1->addr;
mkqid(&f->qid, d1, 1);
putbuf(p1);
f->slot = slot;
setdot:
mkqid9p1(&ou->qid, &f->qid);
f->open = 0;
out:
if(p)
putbuf(p);
if(f)
qunlock(f);
}
void
f_wstat(Chan *cp, Oldfcall *in, Oldfcall *ou)
{
Iobuf *p, *p1;
Dentry *d, *d1, xd;
File *f;
int slot;
int32_t addr;
if(CHAT(cp)) {
print("c_wstat %d\n", cp->chan);
print(" fid = %d\n", in->fid);
}
p = 0;
p1 = 0;
d1 = 0;
f = filep(cp, in->fid, 0);
if(!f) {
ou->err = Efid;
goto out;
}
if(isro(f->fs->dev) || (cp != cons.chan && writegroup && !ingroup(f->uid, writegroup))) {
ou->err = Eronly;
goto out;
}
/*
* first get parent
*/
if(f->wpath) {
p1 = getbuf(f->fs->dev, f->wpath->addr, Bread);
d1 = getdir(p1, f->wpath->slot);
if(!d1 || checktag(p1, Tdir, QPNONE) || !(d1->mode & DALLOC)) {
ou->err = Ephase;
goto out;
}
}
p = getbuf(f->fs->dev, f->addr, Bread);
d = getdir(p, f->slot);
if(!d || checktag(p, Tdir, QPNONE) || !(d->mode & DALLOC)) {
ou->err = Ealloc;
goto out;
}
if(ou->err = mkqidcmp(&f->qid, d))
goto out;
convM2D9p1(in->stat, &xd);
if(CHAT(cp)) {
print(" d.name = %s\n", xd.name);
print(" d.uid = %d\n", xd.uid);
print(" d.gid = %d\n", xd.gid);
print(" d.mode = %.4x\n", xd.mode);
}
/*
* if chown,
* must be god
*/
while(xd.uid != d->uid) {
if(wstatallow) /* set to allow chown during boot */
break;
ou->err = Enotu;
goto out;
}
/*
* if chgroup,
* must be either
* a) owner and in new group
* b) leader of both groups
*/
while(xd.gid != d->gid) {
if(wstatallow || writeallow) /* set to allow chgrp during boot */
break;
if(d->uid == f->uid && ingroup(f->uid, xd.gid))
break;
if(leadgroup(f->uid, xd.gid))
if(leadgroup(f->uid, d->gid))
break;
ou->err = Enotg;
goto out;
}
/*
* if rename,
* must have write permission in parent
*/
if(xd.name[0] == 0)
strncpy(xd.name, d->name, sizeof(xd.name));
while(strncmp(d->name, xd.name, sizeof(d->name)) != 0) {
if(checkname(xd.name)) {
ou->err = Ename;
goto out;
}
if(strcmp(xd.name, ".") == 0 || strcmp(xd.name, "..") == 0) {
ou->err = Ename;
goto out;
}
/*
* drop entry to prevent lock, then
* check that destination name is unique,
*/
putbuf(p);
for(addr=0;; addr++) {
p = dnodebuf(p1, d1, addr, 0);
if(!p)
break;
if(checktag(p, Tdir, d1->qid.path)) {
putbuf(p);
continue;
}
for(slot=0; slot<DIRPERBUF; slot++) {
d = getdir(p, slot);
if(!(d->mode & DALLOC))
continue;
if(!strncmp(xd.name, d->name, sizeof(xd.name))) {
ou->err = Eexist;
goto out;
}
}
putbuf(p);
}
/*
* reacquire entry
*/
p = getbuf(f->fs->dev, f->addr, Bread);
d = getdir(p, f->slot);
if(!d || checktag(p, Tdir, QPNONE) || !(d->mode & DALLOC)) {
ou->err = Ephase;
goto out;
}
if(wstatallow || writeallow) /* set to allow rename during boot */
break;
if(!d1 || iaccess(f, d1, DWRITE)) {
ou->err = Eaccess;
goto out;
}
break;
}
/*
* if mode/time, either
* a) owner
* b) leader of either group
*/
while(d->mtime != xd.mtime ||
((d->mode^xd.mode) & (DAPND|DLOCK|0777))) {
if(wstatallow) /* set to allow chmod during boot */
break;
if(d->uid == f->uid)
break;
if(leadgroup(f->uid, xd.gid))
break;
if(leadgroup(f->uid, d->gid))
break;
ou->err = Enotu;
goto out;
}
d->mtime = xd.mtime;
d->uid = xd.uid;
d->gid = xd.gid;
d->mode = (xd.mode & (DAPND|DLOCK|0777)) | (d->mode & (DALLOC|DDIR));
strncpy(d->name, xd.name, sizeof(d->name));
if(wstatallow) {
p->flags |= Bmod;
if(xd.atime)
d->atime = xd.atime;
if(xd.mtime)
d->mtime = xd.mtime;
} else
accessdir(p, d, FWSTAT);
out:
if(p)
putbuf(p);
if(p1)
putbuf(p1);
if(f)
qunlock(f);
ou->fid = in->fid;
}
