static SmbProcessResult
thingfill(SmbBuffer *outparam, SmbBuffer *outdata, InfoMethod *m,
uint16_t level, void *magic)
{
int sentthings, totalthings;
int i;
int totalbytes;
sentthings = 0;
totalbytes = 0;
for (i = 0; ; i++) {
int len;
void *thing = (*m->enumerate)(magic, i);
if (thing == nil)
break;
len = (*m->size)(level, thing);
if (totalbytes + len <= smbbufferspace(outdata)) {
assert((*m->put)(outdata, level, thing));
sentthings++;
}
totalbytes += len;
}
totalthings = i;
for (i = 0; i < sentthings; i++) {
void *thing = (*m->enumerate)(magic, i);
assert(thing);
assert((*m->putstrings)(outdata, level, i, thing));
}
if (!smbbufferputs(outparam, sentthings < totalthings ? SMB_RAP_ERROR_MORE_DATA : SMB_RAP_NERR_SUCCESS)
|| !smbbufferputs(outparam, 0)
|| !smbbufferputs(outparam, totalthings)
|| !smbbufferputs(outparam, sentthings))
return SmbProcessResultFormat;
return SmbProcessResultReply;
}
static SmbProcessResult
netwkstagetinfo(SmbBuffer *inparam, SmbBuffer *outparam, SmbBuffer *outdata)
{
uint16_t level;
uint16_t usefulbytes;
SmbProcessResult pr;
int moredata;
/* WrLh
* ushort sLevel, RCVBUF pbBuffer, RCVBUFLEN cbBuffer, ushort *pcbTotalAvail
*/
if (!smbbuffergets(inparam, &level)) {
fmtfail:
pr = SmbProcessResultFormat;
goto done;
}
smblogprintif(smbglobals.log.rap2, "netwkstagetinfo(%lud, %lud)\n",
level, smbbufferwritespace(outdata));
if (level != 10)
goto fmtfail;
usefulbytes = 22 + smbstrlen(smbglobals.serverinfo.name) + smbstrlen(getuser())
+ 3 * smbstrlen(smbglobals.primarydomain);
moredata = usefulbytes > smbbufferwritespace(outdata);
assert(smbbufferputl(outdata, 0));
assert(smbbufferputl(outdata, 0));
assert(smbbufferputl(outdata, 0));
assert(smbbufferputb(outdata, smbglobals.serverinfo.vmaj));
assert(smbbufferputb(outdata, smbglobals.serverinfo.vmin));
assert(smbbufferputl(outdata, 0));
assert(smbbufferputl(outdata, 0));
assert(smbbufferfixupabsolutel(outdata, 0));
assert(smbbufferputstring(outdata, nil, SMB_STRING_ASCII, smbglobals.serverinfo.name));
assert(smbbufferfixupabsolutel(outdata, 4));
assert(smbbufferputstring(outdata, nil, SMB_STRING_ASCII, getuser()));
assert(smbbufferfixupabsolutel(outdata, 8));
assert(smbbufferputstring(outdata, nil, SMB_STRING_ASCII, smbglobals.primarydomain));
assert(smbbufferfixupabsolutel(outdata, 14));
assert(smbbufferputstring(outdata, nil, SMB_STRING_ASCII, smbglobals.primarydomain));
assert(smbbufferfixupabsolutel(outdata, 18));
assert(smbbufferputstring(outdata, nil, SMB_STRING_ASCII, smbglobals.primarydomain));
if (!smbbufferputs(outparam, moredata ? SMB_RAP_ERROR_MORE_DATA : SMB_RAP_NERR_SUCCESS)
|| !smbbufferputs(outparam, 0)
|| !smbbufferputs(outparam, usefulbytes)) {
pr = SmbProcessResultFormat;
goto done;
}
pr = SmbProcessResultReply;
done:
return pr;
}
int
smbclientopen(SmbClient *c, uint16_t mode, char *name, uint8_t *errclassp,
uint16_t *errorp,
uint16_t *fidp, uint16_t *attrp, uint32_t *mtimep, uint32_t *sizep,
uint16_t *accessallowedp, char **errmsgp)
{
SmbBuffer *b;
SmbHeader h;
uint32_t bytecountfixup;
int32_t n;
uint8_t *pdata;
uint16_t bytecount;
b = smbbuffernew(65535);
h = c->protoh;
h.tid = c->sharetid;
h.command = SMB_COM_OPEN;
h.wordcount = 2;
smbbufferputheader(b, &h, &c->peerinfo);
smbbufferputs(b, mode);
smbbufferputs(b, 0);
bytecountfixup = smbbufferwriteoffset(b);
smbbufferputs(b, 0);
smbbufferputb(b, 4);
smbbufferputstring(b, &c->peerinfo, SMB_STRING_REVPATH, name);
smbbufferfixuprelatives(b, bytecountfixup);
nbsswrite(c->nbss, smbbufferreadpointer(b), smbbufferwriteoffset(b));
smbbufferreset(b);
n = nbssread(c->nbss, smbbufferwritepointer(b), smbbufferwritespace(b));
if (n < 0) {
smbstringprint(errmsgp, "read error: %r");
smbbufferfree(&b);
return 0;
}
smbbuffersetreadlen(b, n);
if (!smbbuffergetandcheckheader(b, &h, h.command, 7, &pdata, &bytecount, errmsgp)) {
smbbufferfree(&b);
return 0;
}
if (h.errclass) {
*errclassp = h.errclass;
*errorp = h.error;
smbbufferfree(&b);
return 0;
}
*fidp = smbnhgets(pdata); pdata += 2;
*attrp = smbnhgets(pdata); pdata += 2;
*mtimep = smbnhgetl(pdata); pdata += 4;
*sizep = smbnhgets(pdata); pdata += 4;
*accessallowedp = smbnhgets(pdata);
return 1;
}
static int
standardflatten(SmbSession *s, SmbBuffer *b, Dir *d, ulong *nameoffsetp)
{
ushort mdate, mtime;
ushort adate, atime;
ushort fnlfixupoffset;
smbplan9time2datetime(d->mtime, s->tzoff, &mdate, &mtime);
smbplan9time2datetime(d->atime, s->tzoff, &adate, &atime);
if (!smbbufferputs(b, mdate)
|| !smbbufferputs(b, mtime)
|| !smbbufferputs(b, adate)
|| !smbbufferputs(b, atime)
|| !smbbufferputs(b, mdate)
|| !smbbufferputs(b, mtime)
|| !smbbufferputl(b, d->length)
|| !smbbufferputl(b, 512) // ha
|| !smbbufferputs(b, (d->qid.type & QTDIR) ? 0x10 : 0))
return 0;
fnlfixupoffset = smbbufferwriteoffset(b);
if (!smbbufferputs(b, 0))
return 0;
*nameoffsetp = smbbufferwriteoffset(b);
if (!smbbufferputstring(b, &s->peerinfo, 0, d->name))
return 0;
return smbbufferfixuprelatives(b, fnlfixupoffset);
}
static SmbProcessResult
onethingfill(SmbBuffer *outparam, SmbBuffer *outdata, InfoMethod *m,
uint16_t level, void *thing)
{
int moredata;
int totalbytes = (*m->size)(level, thing);
if (totalbytes <= smbbufferspace(outdata)) {
assert((*m->put)(outdata, level, thing));
assert((*m->putstrings)(outdata, level, 0, thing));
moredata = 0;
}
else
moredata = 1;
if (!smbbufferputs(outparam, moredata ? SMB_RAP_ERROR_MORE_DATA : SMB_RAP_NERR_SUCCESS)
|| !smbbufferputs(outparam, 0)
|| !smbbufferputs(outparam, totalbytes))
return SmbProcessResultFormat;
return SmbProcessResultReply;
}
static int
shareinfoput(SmbBuffer *b, uint16_t level, void *data)
{
SmbService *serv = data;
if (!smbbufferputstrn(b, serv->name, 13, 0))
return 0;
if (level > 0) {
if (!smbbufferputb(b, 0)
|| !smbbufferputs(b, serv->stype)
|| !smbbufferputl(b, 0))
return 0;
}
if (level > 1) {
if (!smbbufferputs(b, 7)
|| !smbbufferputs(b, -1)
|| !smbbufferputs(b, serv->ref)
|| !smbbufferputl(b, 0)
|| !smbbufferfill(b, 0, 10))
return 0;
}
if (level > 2)
return 0;
return 1;
}
SmbProcessResult
smbcomecho(SmbSession *s, SmbHeader *h, uchar *pdata, SmbBuffer *b)
{
ushort echocount, e;
if (!smbcheckwordcount("comecho", h, 1))
return SmbProcessResultFormat;
echocount = smbnhgets(pdata);
for (e = 0; e < echocount; e++) {
ulong bytecountfixupoffset;
SmbProcessResult pr;
if (!smbbufferputheader(s->response, h, &s->peerinfo)
|| !smbbufferputs(s->response, e))
return SmbProcessResultMisc;
bytecountfixupoffset = smbbufferwriteoffset(s->response);
if (!smbbufferputbytes(s->response, smbbufferreadpointer(b), smbbufferreadspace(b))
|| !smbbufferfixuprelatives(s->response, bytecountfixupoffset))
return SmbProcessResultMisc;
pr = smbresponsesend(s);
if (pr != SmbProcessResultOk)
return SmbProcessResultDie;
}
return SmbProcessResultOk;
}
SmbProcessResult
smbcomwrite(SmbSession *s, SmbHeader *h, uchar *pdata, SmbBuffer *b)
{
SmbTree *t;
SmbFile *f;
ushort fid;
ushort count;
ulong offset;
long nb;
ushort yacount;
uchar fmt;
if (h->wordcount != 5)
return SmbProcessResultFormat;
fid = smbnhgets(pdata); pdata += 2;
count = smbnhgets(pdata); pdata += 2;
offset = smbnhgetl(pdata);
smblogprint(SMB_COM_WRITE, "smbcomwrite: fid 0x%.4ux count 0x%.4ux offset 0x%.8lux\n",
fid, count, offset);
if (!smbbuffergetb(b, &fmt)
|| fmt != 1
|| !smbbuffergets(b, &yacount)
|| yacount != count
|| smbbufferreadspace(b) < count)
return SmbProcessResultFormat;
t = smbidmapfind(s->tidmap, h->tid);
if (t == nil) {
smbseterror(s, ERRSRV, ERRinvtid);
return SmbProcessResultError;
}
f = smbidmapfind(s->fidmap, fid);
if (f == nil) {
smbseterror(s, ERRDOS, ERRbadfid);
return SmbProcessResultError;
}
if (!f->ioallowed) {
smbseterror(s, ERRDOS, ERRbadaccess);
return SmbProcessResultError;
}
if (count == 0) {
SmbProcessResult pr = smbtruncatefile(s, f, offset);
if (pr != SmbProcessResultReply)
return pr;
nb = 0;
}
else {
seek(f->fd, offset, 0);
nb = write(f->fd, smbbufferreadpointer(b), count);
if (nb < 0) {
smbseterror(s, ERRDOS, ERRnoaccess);
return SmbProcessResultError;
}
}
h->wordcount = 1;
if (!smbbufferputheader(s->response, h, &s->peerinfo)
|| !smbbufferputs(s->response, nb)
|| !smbbufferputs(s->response, 0))
return SmbProcessResultMisc;
return SmbProcessResultReply;
}
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;
}
int
smbnetserverenum2(SmbClient *c, uint32_t stype, char *domain,
int *entriesp,
SmbRapServerInfo1 **sip, char **errmsgp)
{
int rv;
uint16_t ec, entries, total, converter;
SmbRapServerInfo1 *si = nil;
SmbBuffer *ipb = smbbuffernew(512);
SmbBuffer *odb = smbbuffernew(65535);
SmbBuffer *opb = smbbuffernew(8);
smbbufferputs(ipb, 104);
smbbufferputstring(ipb, nil, SMB_STRING_ASCII, "WrLehDz");
smbbufferputstring(ipb, nil, SMB_STRING_ASCII, "B16BBDz");
smbbufferputs(ipb, 1);
smbbufferputs(ipb, smbbufferwritespace(odb));
smbbufferputl(ipb, stype);
smbbufferputstring(ipb, nil, SMB_STRING_ASCII, domain);
rv = !smbclientrap(c, ipb, opb, odb, errmsgp);
smbbufferfree(&ipb);
if (rv == 0) {
char *remark, *eremark;
int remarkspace;
int i;
if (!smbbuffergets(opb, &ec)
|| !smbbuffergets(opb, &converter)
|| !smbbuffergets(opb, &entries)
|| !smbbuffergets(opb, &total)) {
smbstringprint(errmsgp, "smbnetserverenum2: not enough return parameters");
rv = -1;
goto done;
}
if (ec != 0) {
rv = ec;
goto done;
}
if (smbbufferreadspace(odb) < entries * 26) {
smbstringprint(errmsgp, "smbnetserverenum2: not enough return data");
rv = -1;
goto done;
}
remarkspace = smbbufferreadspace(odb) - entries * 26;
si = smbemalloc(entries * sizeof(SmbRapServerInfo1) + remarkspace);
remark = (char *)&si[entries];
eremark = remark + remarkspace;
for (i = 0; i < entries; i++) {
uint32_t offset;
int remarklen;
assert(smbbuffergetbytes(odb, si[i].name, 16));
assert(smbbuffergetb(odb, &si[i].vmaj));
assert(smbbuffergetb(odb, &si[i].vmin));
assert(smbbuffergetl(odb, &si[i].type));
assert(smbbuffergetl(odb, &offset));
offset -= converter;
if (!smbbufferoffsetcopystr(odb, offset, remark, eremark - remark, &remarklen)) {
smbstringprint(errmsgp, "smbnetserverenum2: invalid string offset");
rv = -1;
goto done;
}
si[i].remark = remark;
remark += remarklen;
}
*sip = si;
si = nil;
*entriesp = entries;
}
else
rv = -1;
done:
free(si);
smbbufferfree(&opb);
smbbufferfree(&odb);
return rv;
}
int
smbclienttrans2findfirst2(SmbClient *c, ushort searchcount, char *filename,
ushort *sidp, ushort *searchcountp, ushort *endofsearchp,SmbFindFileBothDirectoryInfo *ip, char **errmsgp)
{
int rv;
ushort setup;
SmbBuffer *inparam;
SmbBuffer *outparam;
SmbBuffer *outdata;
SmbHeader rh;
setup = SMB_TRANS2_FIND_FIRST2;
inparam = smbbuffernew(512);
smbbufferputs(inparam, 0x16);
smbbufferputs(inparam, searchcount);
smbbufferputs(inparam, 7);
smbbufferputs(inparam, SMB_FIND_FILE_BOTH_DIRECTORY_INFO);
smbbufferputl(inparam, 0);
smbbufferputstring(inparam, &c->peerinfo, 0, filename);
outparam = smbbuffernew(10);
outdata = smbbuffernew(65535);
rv = smbclienttrans2(c, 1, &setup, inparam, outparam, outdata, &rh, errmsgp);
smbbufferfree(&inparam);
if (rv) {
ushort eaerroroffset, lastnameoffset;
ulong nextentry;
int i;
if (!smbbuffergets(outparam, sidp)
|| !smbbuffergets(outparam, searchcountp)
|| !smbbuffergets(outparam, endofsearchp)
|| !smbbuffergets(outparam, &eaerroroffset)
|| !smbbuffergets(outparam, &lastnameoffset)) {
smbstringprint(errmsgp, "smbclienttrans2findfirst2: not enough parameters returned");
rv = 0;
goto done;
}
nextentry = 0;
smblogprint(-1, "returned data:\n");
smblogdata(-1, smblogprint, smbbufferreadpointer(outdata), smbbufferreadspace(outdata), 256);
for (i = 0; i < *searchcountp; i++) {
SmbFindFileBothDirectoryInfo *info = ip + i;
ulong neo, filenamelength, easize;
uchar shortnamelength;
if (i && !smbbufferreadskipto(outdata, nextentry)) {
underflow:
smbstringprint(errmsgp, "smbclientrans2findfirst2: not enough data returned");
rv = 0;
goto done;
}
if (!smbbuffergetl(outdata, &neo))
goto underflow;
nextentry = smbbufferreadoffset(outdata) + neo - 4;
print("neo 0x%.8lux\n", neo);
if (!smbbuffergetl(outdata, &info->fileindex)
|| !smbbuffergetv(outdata, &info->creationtime)
|| !smbbuffergetv(outdata, &info->lastaccesstime)
|| !smbbuffergetv(outdata, &info->lastwritetime)
|| !smbbuffergetv(outdata, &info->changetime)
|| !smbbuffergetv(outdata, &info->endoffile)
|| !smbbuffergetv(outdata, &info->allocationsize))
goto underflow;
print("got here\n");
if (!smbbuffergetl(outdata, &info->extfileattributes)
|| !smbbuffergetl(outdata, &filenamelength)
|| !smbbuffergetl(outdata, &easize)
|| !smbbuffergetb(outdata, &shortnamelength)
|| !smbbuffergetbytes(outdata, nil, 1)
|| !smbbuffergetbytes(outdata, nil, 24)
|| !smbbuffergetstring(outdata, &rh, SMB_STRING_REVPATH, &info->filename))
goto underflow;
print("got here as well\n");
}
}
done:
smbbufferfree(&outparam);
smbbufferfree(&outdata);
return rv;
}
int
_transactionencoderesponse(SmbTransaction *t, SmbHeader *h, SmbPeerInfo *p, SmbBuffer *ob,
uint8_t cmd,
char **errmsgp)
{
SmbHeader mh;
uint32_t countsfixupoffset, bytecountfixupoffset;
int palign, dalign;
uint32_t pbytecount, dbytecount;
uint32_t poffset, doffset;
if (t->in.maxpcount > 65535 || t->in.maxdcount > 65535) {
smbstringprint(errmsgp, "counts too big");
return 0;
}
mh = *h;
mh.wordcount = 10;
mh.flags &= ~SMB_FLAGS_SERVER_TO_REDIR;
mh.command = cmd;
mh.errclass = SUCCESS;
mh.error = SUCCESS;
if (!smbbufferputheader(ob, &mh, p)
|| !smbbufferputs(ob, smbbufferwriteoffset(t->out.parameters))
|| !smbbufferputs(ob, smbbufferwriteoffset(t->out.data))
|| !smbbufferputs(ob, 0)) {
toosmall:
smbstringprint(errmsgp, "output buffer too small");
goto toosmall;
}
countsfixupoffset = smbbufferwriteoffset(ob);
if (!smbbufferputbytes(ob, nil, 6 * sizeof(uint16_t))
|| !smbbufferputb(ob, 0) // scount == 0
|| !smbbufferputb(ob, 0)) // reserved2
goto toosmall;
/* now the byte count */
bytecountfixupoffset = smbbufferwriteoffset(ob);
if (!smbbufferputs(ob, 0))
goto toosmall;
smbbufferwritelimit(ob, smbbufferwriteoffset(ob) + 65535);
palign = bytecountfixupoffset & 1;
if (palign && !smbbufferputb(ob, 0))
goto toosmall;
pbytecount = smbbufferreadspace(t->out.parameters);
if (pbytecount > smbbufferwritespace(ob))
pbytecount = smbbufferwritespace(ob);
poffset = smbbufferwriteoffset(ob);
if (poffset > 65535)
goto toosmall;
if (!smbbufferputbytes(ob, smbbufferreadpointer(t->out.parameters), pbytecount))
goto toosmall;
dalign = smbbufferwritespace(ob) > 0 && (smbbufferwriteoffset(ob) & 1) != 0;
if (dalign && !smbbufferputb(ob, 0))
goto toosmall;
dbytecount = smbbufferreadspace(t->out.data);
if (dbytecount > smbbufferwritespace(ob))
dbytecount = smbbufferwritespace(ob);
doffset = smbbufferwriteoffset(ob);
if (doffset > 65535)
goto toosmall;
if (!smbbufferputbytes(ob, smbbufferreadpointer(t->out.data), dbytecount))
goto toosmall;
if (!smbbufferoffsetputs(ob, bytecountfixupoffset, palign + pbytecount + dalign + dbytecount)
|| !smbbufferoffsetputs(ob, countsfixupoffset, pbytecount)
|| !smbbufferoffsetputs(ob, countsfixupoffset + 2, poffset)
|| !smbbufferoffsetputs(ob, countsfixupoffset + 4, smbbufferreadoffset(t->out.parameters))
|| !smbbufferoffsetputs(ob, countsfixupoffset + 6, dbytecount)
|| !smbbufferoffsetputs(ob, countsfixupoffset + 8, doffset)
|| !smbbufferoffsetputs(ob, countsfixupoffset + 10, smbbufferreadoffset(t->out.data)))
goto toosmall;
assert(smbbufferoffsetputs(ob, bytecountfixupoffset, smbbufferwriteoffset(ob) - bytecountfixupoffset - 2));
smbbuffergetbytes(t->out.parameters, nil, pbytecount);
smbbuffergetbytes(t->out.data, nil, dbytecount);
return 1;
}
SmbProcessResult
smbtrans2setfileinformation(SmbSession *s, SmbHeader *h)
{
SmbTree *t;
ushort infolevel;
SmbBuffer *b;
SmbProcessResult pr;
ushort fid;
SmbFile *f;
vlong newsize;
uvlong atime, mtime;
ulong attr;
ulong mode;
t = smbidmapfind(s->tidmap, h->tid);
if (t == nil) {
smbseterror(s, ERRSRV, ERRinvtid);
pr = SmbProcessResultError;
goto done;
}
b = smbbufferinit(s->transaction.in.parameters, s->transaction.in.parameters, s->transaction.in.tpcount);
if (!smbbuffergets(b, &fid) || !smbbuffergets(b, &infolevel)) {
misc:
pr = SmbProcessResultMisc;
goto done;
}
f = smbidmapfind(s->fidmap, fid);
if (f == nil) {
smbseterror(s, ERRDOS, ERRbadfid);
pr = SmbProcessResultError;
goto done;
}
switch (infolevel) {
case SMB_SET_FILE_ALLOCATION_INFO:
case SMB_SET_FILE_END_OF_FILE_INFO:
if (s->transaction.in.tdcount < 8)
goto misc;
newsize = smbnhgetv(s->transaction.in.data);
pr = smbtruncatefile(s, f, newsize);
if (pr == SmbProcessResultReply && !smbbufferputs(s->transaction.out.parameters, 0))
goto misc;
break;
case SMB_SET_FILE_BASIC_INFO:
if (s->transaction.in.tdcount < 4 * 8 + 4)
goto misc;
atime = smbnhgetv(s->transaction.in.data + 8);
mtime = smbnhgetv(s->transaction.in.data + 24);
attr = smbnhgetv(s->transaction.in.data + 32);
if (attr) {
Dir *od = dirfstat(f->fd);
if (od == nil)
goto noaccess;
mode = smbdosattr2plan9wstatmode(od->mode, attr);
free(od);
}
else
mode = 0xffffffff;
if (atime || mtime || mode != 0xffffffff) {
Dir d;
memset(&d, 0xff, sizeof(d));
d.name = d.uid = d.gid = d.muid = nil;
if (atime)
d.atime = smbtime2plan9time(atime);
if (mtime)
d.mtime = smbtime2plan9time(mtime);
d.mode = mode;
if (dirfwstat(f->fd, &d) < 0) {
noaccess:
smbseterror(s, ERRDOS, ERRnoaccess);
pr = SmbProcessResultError;
goto done;
}
}
if (!smbbufferputs(s->transaction.out.parameters, 0))
goto misc;
pr = SmbProcessResultReply;
break;
case SMB_SET_FILE_DISPOSITION_INFO:
if (s->transaction.in.tdcount < 1)
goto misc;
f->sf->deleteonclose = *s->transaction.in.data;
if (!smbbufferputs(s->transaction.out.parameters, 0))
goto misc;
pr = SmbProcessResultReply;
break;
default:
smblogprint(-1, "smbtrans2setfileinformation: infolevel 0x%.4ux not implemented\n", infolevel);
smbseterror(s, ERRDOS, ERRunknownlevel);
pr = SmbProcessResultError;
break;
}
done:
smbbufferfree(&b);
return pr;
}
SmbProcessResult
smbtrans2findnext2(SmbSession *s, SmbHeader *h)
{
SmbBuffer *b;
int debug;
ushort sid, scount, infolevel;
ulong resumekey;
ushort flags;
char *filename = nil;
SmbProcessResult pr;
ushort e;
ulong nameoffset;
ushort eos;
SmbTree *t;
SmbSearch *search;
debug = smboptable[h->command].debug
|| smbtrans2optable[SMB_TRANS2_FIND_NEXT2].debug
|| smbglobals.log.find;
b = smbbufferinit(s->transaction.in.parameters, s->transaction.in.parameters, s->transaction.in.tpcount);
if (!smbbuffergets(b, &sid)
|| !smbbuffergets(b, &scount)
|| !smbbuffergets(b, &infolevel)
|| !smbbuffergetl(b, &resumekey)
|| !smbbuffergets(b, &flags)
|| !smbbuffergetstring(b, h, 0, &filename)) {
pr = SmbProcessResultFormat;
goto done;
}
smblogprintif(debug,
"smbtrans2findnext2: sid %d scount %d infolevel 0x%.4ux resumekey %lud flags 0x%.4ux filename %s\n",
sid, scount, infolevel, resumekey, flags, filename);
if (infolevel != SMB_INFO_STANDARD && infolevel != SMB_FIND_FILE_BOTH_DIRECTORY_INFO) {
smblogprint(-1, "smbtrans2findnext2: infolevel 0x%.4ux not implemented\n", infolevel);
smbseterror(s, ERRDOS, ERRunknownlevel);
pr = SmbProcessResultError;
goto done;
}
t = smbidmapfind(s->tidmap, h->tid);
if (t == nil) {
smbseterror(s, ERRSRV, ERRinvtid);
pr = SmbProcessResultError;
goto done;
}
search = smbidmapfind(s->sidmap, sid);
if (search == nil) {
smbseterror(s, ERRDOS, ERRnofiles);
pr = SmbProcessResultError;
goto done;
}
if (search->t != t) {
smbseterror(s, ERRSRV, ERRinvtid);
pr = SmbProcessResultError;
goto done;
}
if ((flags & (1 << 3)) == 0) {
long i;
if (filename == nil) {
smbseterror(s, ERRDOS, ERRnofiles);
pr = SmbProcessResultError;
goto done;
}
for (i = 0; i < search->dc->n; i++)
if (strcmp(search->dc->buf[i].name, filename) == 0) {
search->dc->i = i + 1;
break;
}
}
populate(s, search->dc, search->rep, infolevel, flags, scount, &e, &nameoffset);
eos = search->dc->i >= search->dc->n;
if ((flags & SMB_FIND_CLOSE) != 0 || ((flags & SMB_FIND_CLOSE_EOS) != 0 && eos))
smbsearchclose(s, search);
smbbufferputs(s->transaction.out.parameters, e);
smbbufferputs(s->transaction.out.parameters, eos);
smbbufferputs(s->transaction.out.parameters, 0);
smbbufferputs(s->transaction.out.parameters, nameoffset);
pr = SmbProcessResultReply;
done:
smbbufferfree(&b);
free(filename);
return pr;
}
SmbProcessResult
smbbufferputack(SmbBuffer *b, SmbHeader *h, SmbPeerInfo *p)
{
h->wordcount = 0;
return smbbufferputheader(b, h, p) && smbbufferputs(b, 0) ? SmbProcessResultReply : SmbProcessResultMisc;
}
SmbProcessResult
smbcomlockingandx(SmbSession *s, SmbHeader *h, uchar *pdata, SmbBuffer *b)
{
uchar andxcommand;
ushort andxoffset;
ulong andxoffsetfixup;
ushort fid;
uchar locktype;
uchar oplocklevel;
ulong timeout;
ushort numberofunlocks;
ushort numberoflocks;
SmbTree *t;
SmbFile *f;
int l;
SmbProcessResult pr;
ulong backupoffset;
int large;
if (!smbcheckwordcount("comlockingandx", h, 8))
return SmbProcessResultFormat;
andxcommand = *pdata++;
pdata++;
andxoffset = smbnhgets(pdata); pdata += 2;
fid = smbnhgets(pdata); pdata += 2;
locktype = *pdata++;
oplocklevel = *pdata++;
timeout = smbnhgetl(pdata); pdata += 4;
numberofunlocks = smbnhgets(pdata); pdata += 2;
numberoflocks = smbnhgets(pdata);
smblogprint(h->command, "smbcomlockingandx: fid 0x%.4ux locktype 0x%.2ux oplocklevel 0x%.2ux timeout %lud numberofunlocks %d numberoflocks %ud\n",
fid, locktype, oplocklevel, timeout, numberofunlocks, numberoflocks);
large = locktype & 0x10;
locktype &= ~0x10;
if (locktype != 0 || oplocklevel != 0) {
smblogprint(-1, "smbcomlockingandx: locktype 0x%.2ux unimplemented\n", locktype);
return SmbProcessResultUnimp;
}
if (oplocklevel != 0) {
smblogprint(-1, "smbcomlockingandx: oplocklevel 0x%.2ux unimplemented\n", oplocklevel);
return SmbProcessResultUnimp;
}
t = smbidmapfind(s->tidmap, h->tid);
if (t == nil) {
smbseterror(s, ERRSRV, ERRinvtid);
error:
return SmbProcessResultError;
}
f = smbidmapfind(s->fidmap, fid);
if (f == nil) {
smbseterror(s, ERRDOS, ERRbadfid);
goto error;
}
backupoffset = smbbufferreadoffset(b);
for (l = 0; l < numberofunlocks; l++) {
ushort pid;
uvlong offset;
uvlong length;
if (!getlock(b, large, &pid, &offset, &length)) {
pr = SmbProcessResultFormat;
goto done;
}
smblogprint(h->command, "smbcomlockingandx: unlock pid 0x%.4ux offset %llud length %llud\n",
pid, offset, length);
smbsharedfileunlock(f->sf, s, h->pid, offset, offset + length);
}
for (l = 0; l < numberoflocks; l++) {
ushort pid;
uvlong offset;
uvlong length;
if (!getlock(b, large, &pid, &offset, &length)) {
pr = SmbProcessResultFormat;
goto done;
}
smblogprint(h->command, "smbcomlockingandx: lock pid 0x%.4ux offset %llud length %llud\n",
pid, offset, length);
if (!smbsharedfilelock(f->sf, s, h->pid, offset, offset + length))
break;
}
if (l < numberoflocks) {
ushort i;
ushort pid;
uvlong offset;
uvlong length;
smbbufferreadbackup(b, backupoffset);
for (i = 0; i < l; i++) {
assert(getlock(b, large, &pid, &offset, &length));
smbsharedfileunlock(f->sf, s, h->pid, offset, offset + length);
}
smbseterror(s, ERRDOS, ERRlock);
goto error;
}
h->wordcount = 2;
if (!smbbufferputandxheader(s->response, h, &s->peerinfo, andxcommand, &andxoffsetfixup)
|| !smbbufferputs(s->response, 0)) { // bytecount 0
pr = SmbProcessResultMisc;
goto done;
}
if (andxcommand != SMB_COM_NO_ANDX_COMMAND)
pr = smbchaincommand(s, h, andxoffsetfixup, andxcommand, andxoffset, b);
else
pr = SmbProcessResultReply;
done:
return pr;
}
SmbProcessResult
smbcomwriteandx(SmbSession *s, SmbHeader *h, uchar *pdata, SmbBuffer *b)
{
uchar andxcommand;
ushort andxoffset;
ulong andxoffsetfixup;
SmbTree *t;
SmbFile *f;
ushort dataoff, fid, count;
vlong offset;
long nb;
if (h->wordcount != 12 && h->wordcount != 14)
return SmbProcessResultFormat;
andxcommand = *pdata++; // andx command
pdata++; // reserved
andxoffset = smbnhgets(pdata); pdata += 2; // andx offset
fid = smbnhgets(pdata); pdata += 2; // fid
offset = smbnhgetl(pdata); pdata += 4; // offset in file
pdata += 4; // timeout
pdata += 2; // write mode
pdata += 2; // (Remaining) bytes waiting to be written
pdata += 2; // Reserved
count = smbnhgets(pdata); pdata += 2; // LSBs of length
dataoff = smbnhgets(pdata); pdata += 2; // offset to data in packet
if (dataoff + count > smbbufferwriteoffset(b))
return SmbProcessResultFormat;
if(h->wordcount == 14)
offset |= (vlong)smbnhgetl(pdata)<<32;
smblogprint(SMB_COM_WRITE_ANDX, "smbcomwriteandx: fid 0x%.4ux count 0x%.4ux offset 0x%.llux\n",
fid, count, offset);
t = smbidmapfind(s->tidmap, h->tid);
if (t == nil) {
smbseterror(s, ERRSRV, ERRinvtid);
return SmbProcessResultError;
}
f = smbidmapfind(s->fidmap, fid);
if (f == nil) {
smbseterror(s, ERRDOS, ERRbadfid);
return SmbProcessResultError;
}
if (!f->ioallowed) {
smbseterror(s, ERRDOS, ERRbadaccess);
return SmbProcessResultError;
}
seek(f->fd, offset, 0);
nb = write(f->fd, smbbufferpointer(b, dataoff), count);
if (nb < 0) {
smbseterror(s, ERRDOS, ERRnoaccess);
return SmbProcessResultError;
}
h->wordcount = 6;
if (!smbbufferputandxheader(s->response, h, &s->peerinfo, andxcommand, &andxoffsetfixup))
return SmbProcessResultMisc;
if (!smbbufferputs(s->response, nb) // Count
|| !smbbufferputs(s->response, 0) // Available
|| !smbbufferputl(s->response, 0) // Reserved
|| !smbbufferputs(s->response, 0)) // byte count in reply
return SmbProcessResultMisc;
if (andxcommand != SMB_COM_NO_ANDX_COMMAND)
return smbchaincommand(s, h, andxoffsetfixup, andxcommand, andxoffset, b);
return SmbProcessResultReply;
}
int
smbresponseputs(SmbSession *sess, ushort s)
{
return smbbufferputs(sess->response, s);
}
SmbProcessResult
smbtrans2setpathinformation(SmbSession *s, SmbHeader *h)
{
char *fullpath, *path;
SmbTree *t;
ushort infolevel;
SmbBuffer *b;
SmbProcessResult pr;
ushort atime, adate, mtime, mdate;
ulong attr;
ulong mode;
ulong size;
// uvlong length;
t = smbidmapfind(s->tidmap, h->tid);
if (t == nil) {
smbseterror(s, ERRSRV, ERRinvtid);
pr = SmbProcessResultError;
goto done;
}
b = smbbufferinit(s->transaction.in.parameters, s->transaction.in.parameters, s->transaction.in.tpcount);
path = nil;
if (!smbbuffergets(b, &infolevel) || !smbbuffergetbytes(b, nil, 4)
|| !smbbuffergetstring(b, h, SMB_STRING_PATH, &path)) {
misc:
pr = SmbProcessResultMisc;
goto done;
}
fullpath = nil;
smbstringprint(&fullpath, "%s%s", t->serv->path, path);
translogprint(s->transaction.in.setup[0], "path %s\n", path);
translogprint(s->transaction.in.setup[0], "infolevel 0x%.4ux\n", infolevel);
translogprint(s->transaction.in.setup[0], "fullpath %s\n", fullpath);
switch (infolevel) {
case SMB_INFO_STANDARD:
if (s->transaction.in.tdcount < 6 * 4 + 2 * 2)
goto misc;
adate = smbnhgets(s->transaction.in.data + 6);
atime = smbnhgets(s->transaction.in.data + 4);
mdate = smbnhgets(s->transaction.in.data + 10);
mtime = smbnhgets(s->transaction.in.data + 8);
size = smbnhgetl(s->transaction.in.data + 12);
attr = smbnhgets(s->transaction.in.data + 20);
if (attr) {
Dir *od = dirstat(fullpath);
if (od == nil)
goto noaccess;
mode = smbdosattr2plan9wstatmode(od->mode, attr);
free(od);
}
else
mode = 0xffffffff;
translogprint(s->transaction.in.setup[0], "mode 0%od\n", mode);
// if (size)
// length = size;
// else
// length = ~0LL;
translogprint(s->transaction.in.setup[0], "size %lld\n", size);
translogprint(s->transaction.in.setup[0], "adate %d atime %d", adate, atime);
translogprint(s->transaction.in.setup[0], "mdate %d mtime %d\n", mdate, mtime);
if (size || adate || atime || mdate || mtime || mode != 0xffffffff) {
Dir d;
memset(&d, 0xff, sizeof(d));
d.name = d.uid = d.gid = d.muid = nil;
if (adate || atime)
d.atime = smbdatetime2plan9time(adate, atime, s->tzoff);
if (mdate || mtime)
d.mtime = smbdatetime2plan9time(mdate, mtime, s->tzoff);
d.mode = mode;
d.length = size;
if (dirwstat(fullpath, &d) < 0) {
noaccess:
smbseterror(s, ERRDOS, ERRnoaccess);
pr = SmbProcessResultError;
goto done;
}
}
if (!smbbufferputs(s->transaction.out.parameters, 0))
goto misc;
pr = SmbProcessResultReply;
break;
default:
smblogprint(-1, "smbtrans2setpathinformation: infolevel 0x%.4ux not implemented\n", infolevel);
smbseterror(s, ERRDOS, ERRunknownlevel);
pr = SmbProcessResultError;
break;
}
done:
smbbufferfree(&b);
return pr;
}
SmbProcessResult
smbnegotiate(SmbSession *s, SmbHeader *h, uchar *, SmbBuffer *b)
{
ushort index;
int i;
uchar bufferformat;
if (!smbcheckwordcount("negotiate", h, 0))
return SmbProcessResultFormat;
if (s->state != SmbSessionNeedNegotiate) {
/* this acts as a complete session reset */
smblogprint(-1, "smbnegotiate: called when already negotiated\n");
return SmbProcessResultUnimp;
}
i = 0;
index = 0xffff;
while (smbbuffergetb(b, &bufferformat)) {
char *s;
if (bufferformat != 0x02) {
smblogprint(-1, "smbnegotiate: unrecognised buffer format 0x%.2ux\n", bufferformat);
return SmbProcessResultFormat;
}
if (!smbbuffergetstr(b, 0, &s)) {
smblogprint(-1, "smbnegotiate: no null found\n");
return SmbProcessResultFormat;
}
smblogprint(h->command, "smbnegotiate: '%s'\n", s);
if (index == 0xffff && strcmp(s, "NT LM 0.12") == 0)
index = i;
i++;
free(s);
}
if (index != 0xffff) {
Tm *tm;
ulong capabilities;
ulong bytecountfixupoffset;
h->wordcount = 17;
if (!smbbufferputheader(s->response, h, nil)
|| !smbbufferputs(s->response, index)
|| !smbbufferputb(s->response, 3) /* user security, encrypted */
|| !smbbufferputs(s->response, 1) /* max mux */
|| !smbbufferputs(s->response, 1) /* max vc */
|| !smbbufferputl(s->response, smbglobals.maxreceive) /* max buffer size */
|| !smbbufferputl(s->response, 0x10000) /* max raw */
|| !smbbufferputl(s->response, threadid())) /* session key */
goto die;
/* <= Win2k insist upon this being set to ensure that they observe the prototol (!) */
capabilities = CAP_NT_SMBS;
if (smbglobals.unicode)
capabilities |= CAP_UNICODE;
tm = localtime(time(nil));
s->tzoff = tm->tzoff;
if (!smbbufferputl(s->response, capabilities)
|| !smbbufferputv(s->response, nsec() / 100 + (vlong)10000000 * 11644473600LL)
|| !smbbufferputs(s->response, -s->tzoff / 60)
|| !smbbufferputb(s->response, 8)) /* crypt len */
goto die;
bytecountfixupoffset = smbbufferwriteoffset(s->response);
if (!smbbufferputs(s->response, 0))
goto die;
s->cs = auth_challenge("proto=mschap role=server");
if (s->cs == nil) {
smblogprint(h->command, "smbnegotiate: couldn't get mschap challenge\n");
return SmbProcessResultMisc;
}
if (s->cs->nchal != 8) {
smblogprint(h->command, "smbnegotiate: nchal %d\n", s->cs->nchal);
return SmbProcessResultMisc;
}
if (!smbbufferputbytes(s->response, s->cs->chal, s->cs->nchal)
|| !smbbufferputstring(s->response, nil, SMB_STRING_UNICODE, smbglobals.primarydomain)
|| !smbbufferfixuprelatives(s->response, bytecountfixupoffset))
goto die;
}
else {
h->wordcount = 1;
if (!smbbufferputheader(s->response, h, nil)
|| !smbbufferputs(s->response, index)
|| !smbbufferputs(s->response, 0))
goto die;
}
s->state = SmbSessionNeedSetup;
return SmbProcessResultReply;
die:
return SmbProcessResultDie;
}
SmbProcessResult
smbtrans2findfirst2(SmbSession *s, SmbHeader *h)
{
SmbBuffer *b;
char *pattern = nil;
char *dir = nil;
char *name = nil;
ushort searchattributes, searchcount, flags, informationlevel;
ulong searchstoragetype;
SmbDirCache *dc = nil;
ushort e;
ulong nameoffset;
ushort eos;
SmbSearch *search;
SmbProcessResult pr;
Reprog *r = nil;
SmbTree *t;
int debug;
debug = smboptable[h->command].debug
|| smbtrans2optable[SMB_TRANS2_FIND_FIRST2].debug
|| smbglobals.log.find;
poolcheck(mainmem);
b = smbbufferinit(s->transaction.in.parameters, s->transaction.in.parameters, s->transaction.in.tpcount);
if (!smbbuffergets(b, &searchattributes)
|| !smbbuffergets(b, &searchcount)
|| !smbbuffergets(b, &flags)
|| !smbbuffergets(b, &informationlevel)
|| !smbbuffergetl(b, &searchstoragetype)
|| !smbbuffergetstring(b, h, SMB_STRING_PATH, &pattern)) {
pr = SmbProcessResultFormat;
goto done;
}
smbloglock();
smblogprintif(debug, "searchattributes: 0x%.4ux\n", searchattributes);
smblogprintif(debug, "searchcount: 0x%.4ux\n", searchcount);
smblogprintif(debug, "flags: 0x%.4ux\n", flags);
smblogprintif(debug, "informationlevel: 0x%.4ux\n", informationlevel);
smblogprintif(debug, "searchstoragetype: 0x%.8lux\n", searchstoragetype);
smblogprintif(debug, "pattern: %s\n", pattern);
smblogunlock();
smbpathsplit(pattern, &dir, &name);
if (informationlevel != SMB_INFO_STANDARD && informationlevel != SMB_FIND_FILE_BOTH_DIRECTORY_INFO) {
smblogprint(-1, "smbtrans2findfirst2: infolevel 0x%.4ux not implemented\n", informationlevel);
smbseterror(s, ERRDOS, ERRunknownlevel);
pr = SmbProcessResultError;
goto done;
}
t = smbidmapfind(s->tidmap, h->tid);
if (t == nil) {
smbseterror(s, ERRSRV, ERRinvtid);
pr = SmbProcessResultError;
goto done;
}
dc = smbmkdircache(t, dir);
if (dc == nil) {
smbseterror(s, ERRDOS, ERRnoaccess);
pr = SmbProcessResultError;
goto done;
}
poolcheck(mainmem);
r = smbmkrep(name);
populate(s, dc, r, informationlevel, flags, searchcount, &e, &nameoffset);
poolcheck(mainmem);
eos = dc->i >= dc->n;
if ((flags & SMB_FIND_CLOSE) != 0 || ((flags & SMB_FIND_CLOSE_EOS) != 0 && eos))
smbdircachefree(&dc);
poolcheck(mainmem);
if (dc) {
/* create a search handle */
search = smbsearchnew(s, dc, r, t);
r = nil;
dc = nil;
}
else
search = nil;
smbbufferputs(s->transaction.out.parameters, search ? search->id : 0);
smbbufferputs(s->transaction.out.parameters, e);
smbbufferputs(s->transaction.out.parameters, eos);
smbbufferputs(s->transaction.out.parameters, 0);
smbbufferputs(s->transaction.out.parameters, nameoffset);
pr = SmbProcessResultReply;
done:
smbbufferfree(&b);
free(pattern);
free(dir);
free(name);
smbdircachefree(&dc);
free(r);
return pr;
}
