static int
findbothflatten(SmbBuffer *b, SmbPeerInfo *p, Dir *d, ulong resumekey, ulong *nameoffsetp)
{
vlong mtime, atime;
ulong fixup;
fixup = smbbufferwriteoffset(b);
mtime = smbplan9time2time(d->mtime);
atime = smbplan9time2time(d->atime);
poolcheck(mainmem);
if (!smbbufferputl(b, 0)
|| !smbbufferputl(b, resumekey)
|| !smbbufferputv(b, mtime)
|| !smbbufferputv(b, atime)
|| !smbbufferputv(b, mtime)
|| !smbbufferputv(b, mtime)
|| !smbbufferputv(b, d->length)
|| !smbbufferputv(b, smbl2roundupvlong(d->length, smbglobals.l2allocationsize)) // ha
|| !smbbufferputl(b, (d->qid.type & QTDIR) ? 0x10 : 0x80)
|| !smbbufferputl(b, smbstringlen(p, d->name))
|| !smbbufferputl(b, 0)
|| !smbbufferputb(b, 0)
|| !smbbufferputb(b, 0)
|| !smbbufferfill(b, 0, 24))
return 0;
poolcheck(mainmem);
*nameoffsetp = smbbufferwriteoffset(b);
if (!smbbufferputstring(b, p, 0, d->name) || !smbbufferalignl2(b, 2))
return 0;
poolcheck(mainmem);
return smbbufferfixuprelativeinclusivel(b, fixup);
}
int
smbresponsealignl2(SmbSession *s, int l2a)
{
return smbbufferalignl2(s->response, l2a);
}
static int
_transactionencodeprimary(SmbTransaction *t, uint8_t cmd, SmbHeader *h,
SmbPeerInfo *p, SmbBuffer *ob,
uint8_t *wordcountp, uint16_t *bytecountp, char **errmsgp)
{
SmbHeader mh;
uint32_t countsfixupoffset, bytecountfixupoffset;
int x;
mh = *h;
*wordcountp = mh.wordcount = 14 + t->in.scount;
mh.flags &= ~SMB_FLAGS_SERVER_TO_REDIR;
mh.command = cmd;
if (!smbbufferputheader(ob, &mh, p)) {
toosmall:
smbstringprint(errmsgp, "output buffer too small");
return 0;
}
if (t->in.tpcount > 65535 || t->in.tdcount > 65535 || t->in.maxpcount > 65535 || t->in.maxdcount > 65535) {
smbstringprint(errmsgp, "counts too big");
return 0;
}
if (!smbbufferputs(ob, t->in.tpcount)
|| !smbbufferputs(ob, t->in.tdcount)
|| !smbbufferputs(ob, t->in.maxpcount)
|| !smbbufferputs(ob, t->in.maxdcount)
|| !smbbufferputb(ob, t->in.maxscount)
|| !smbbufferputb(ob, 0)
|| !smbbufferputs(ob, t->in.flags)
|| !smbbufferputl(ob, 0)
|| !smbbufferputs(ob, 0))
goto toosmall;
countsfixupoffset = smbbufferwriteoffset(ob);
if (!smbbufferputs(ob, 0)
|| !smbbufferputs(ob, 0)
|| !smbbufferputs(ob, 0)
|| !smbbufferputs(ob, 0))
goto toosmall;
if (!smbbufferputb(ob, t->in.scount)
|| !smbbufferputb(ob, 0))
goto toosmall;
for (x = 0; x < t->in.scount; x++)
if (!smbbufferputs(ob, t->in.setup[x]))
goto toosmall;
bytecountfixupoffset = smbbufferwriteoffset(ob);
if (!smbbufferputs(ob, 0))
goto toosmall;
smbbufferwritelimit(ob, smbbufferwriteoffset(ob) + 65535);
if (!smbbufferputstring(ob, p, SMB_STRING_UPCASE, t->in.name))
goto toosmall;
if (t->in.pcount < t->in.tpcount) {
uint32_t align = smbbufferwriteoffset(ob) & 1;
uint32_t pthistime;
pthistime = smbbufferwritespace(ob) - align;
if (pthistime > t->in.tpcount - t->in.pcount)
pthistime = t->in.tpcount - t->in.pcount;
if (pthistime > 65535)
pthistime = 65535;
if (smbbufferwriteoffset(ob) > 65535)
pthistime = 0;
if (pthistime) {
assert(smbbufferalignl2(ob, 0));
assert(smbbufferoffsetputs(ob, countsfixupoffset, pthistime));
assert(smbbufferoffsetputs(ob, countsfixupoffset + 2, smbbufferwriteoffset(ob)));
assert(smbbufferputbytes(ob, t->in.parameters + t->in.pcount, pthistime));
}
t->in.pcount += pthistime;
}
if (t->in.dcount < t->in.tdcount) {
uint32_t align = smbbufferwriteoffset(ob) & 1;
uint32_t dthistime;
dthistime = smbbufferwritespace(ob) - align;
if (dthistime > t->in.tdcount - t->in.dcount)
dthistime = t->in.tdcount - t->in.dcount;
if (dthistime > 65535)
dthistime = 65535;
if (smbbufferwriteoffset(ob) > 65535)
dthistime = 0;
if (dthistime) {
assert(smbbufferalignl2(ob, 0));
assert(smbbufferoffsetputs(ob, countsfixupoffset + 4, dthistime));
assert(smbbufferoffsetputs(ob, countsfixupoffset + 6, smbbufferwriteoffset(ob)));
assert(smbbufferputbytes(ob, t->in.data + t->in.dcount, dthistime));
}
t->in.dcount += dthistime;
}
*bytecountp = smbbufferwriteoffset(ob) - bytecountfixupoffset - 2;
assert(smbbufferoffsetputs(ob, bytecountfixupoffset, *bytecountp));
return 1;
}
