static void
fscreate(Chan *c, char *name, int mode, ulong perm)
{
int m;
ulong t;
wchar_t *newpath;
Ufsinfo *uif;
m = fsomode(mode&3);
uif = c->aux;
t = pathtype(uif->path);
newpath = catpath(uif->path, name, nil);
if(waserror()){
free(newpath);
nexterror();
}
if(perm & DMDIR) {
wchar_t *p;
DIR *d;
if(m || t!=TPATH_FILE)
error(Eperm);
if(!CreateDirectory(newpath, NULL))
oserror();
d = malloc(sizeof(*d));
p = catpath(newpath, "*.*", nil);
d->handle = FindFirstFile(p, &d->wfd);
free(p);
if(d->handle == INVALID_HANDLE_VALUE){
free(d);
oserror();
}
d->keep = 1;
uif->dir = d;
} else {
uif->dir = nil;
if((uif->fh = CreateFile(
newpath,
fsaccess(mode),
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
CREATE_NEW,
FILE_ATTRIBUTE_NORMAL,
0)) == INVALID_HANDLE_VALUE)
oserror();
}
free(uif->path);
uif->path = newpath;
poperror();
c->qid = wfdtoqid(newpath, nil);
c->offset = 0;
c->flag |= COPEN;
c->mode = openmode(mode);
}
static int
raccess(SunMsg *m)
{
Nfs3TAccess *tx = (Nfs3TAccess*)m->call;
Nfs3RAccess rx;
SunAuthUnix au;
int ok;
if((ok = authunixunpack(&m->rpc, &au)) != SunSuccess)
return sunmsgreplyerror(m, ok);
memset(&rx, 0, sizeof rx);
rx.haveAttr = 1;
rx.status = fsaccess(&au, &tx->handle, tx->access, &rx.access, &rx.attr);
return sunmsgreply(m, &rx.call);
}
static Chan*
fsopen(Chan *c, int mode)
{
ulong t;
int m, isdir;
wchar_t *p;
Ufsinfo *uif;
m = mode & (OTRUNC|3);
switch(m) {
case 0:
break;
case 1:
case 1|16:
break;
case 2:
case 0|16:
case 2|16:
break;
case 3:
break;
default:
error(Ebadarg);
}
isdir = c->qid.type & QTDIR;
if(isdir && mode != OREAD)
error(Eperm);
m = fsomode(m & 3);
c->mode = openmode(mode);
uif = c->aux;
uif->offset = 0;
t = pathtype(uif->path);
if(isdir){
DIR *d;
d = malloc(sizeof(*d));
switch(t){
case TPATH_ROOT:
d->drivebuf = malloc(sizeof(wchar_t)*MAX_PATH);
if(GetLogicalDriveStrings(MAX_PATH-1, d->drivebuf) == 0){
free(d->drivebuf);
d->drivebuf = nil;
oserror();
}
d->drivep = d->drivebuf;
break;
case TPATH_VOLUME:
case TPATH_FILE:
p = catpath(uif->path, "*.*", nil);
d->handle = FindFirstFile(p, &d->wfd);
free(p);
if(d->handle == INVALID_HANDLE_VALUE){
free(d);
oserror();
}
break;
}
d->keep = 1;
uif->dir = d;
} else {
uif->dir = nil;
if((uif->fh = CreateFile(
uif->path,
fsaccess(mode),
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
(mode & OTRUNC) ? TRUNCATE_EXISTING : OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
0)) == INVALID_HANDLE_VALUE)
oserror();
}
c->offset = 0;
c->flag |= COPEN;
return c;
}
