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More GUID->struct uuid changes.
[Samba/gebeck_regimport.git] / source / libsmb / clitrans.c
blob92c1cc99eeb8c701e6a3de319e1d05fa588b7552
1 /*
2 Unix SMB/CIFS implementation.
3 client transaction calls
4 Copyright (C) Andrew Tridgell 1994-1998
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20
21 #define NO_SYSLOG
22
23 #include "includes.h"
24
25
26 /****************************************************************************
27 Send a SMB trans or trans2 request.
28 ****************************************************************************/
29
30 BOOL cli_send_trans(struct cli_state *cli, int trans,
31 const char *pipe_name,
32 int fid, int flags,
33 uint16 *setup, unsigned int lsetup, unsigned int msetup,
34 const char *param, unsigned int lparam, unsigned int mparam,
35 const char *data, unsigned int ldata, unsigned int mdata)
36 {
37 unsigned int i;
38 unsigned int this_ldata,this_lparam;
39 unsigned int tot_data=0,tot_param=0;
40 char *outdata,*outparam;
41 char *p;
42 int pipe_name_len=0;
43 uint16 mid;
44
45 this_lparam = MIN(lparam,cli->max_xmit - (500+lsetup*2)); /* hack */
46 this_ldata = MIN(ldata,cli->max_xmit - (500+lsetup*2+this_lparam));
47
48 memset(cli->outbuf,'\0',smb_size);
49 set_message(cli->outbuf,14+lsetup,0,True);
50 SCVAL(cli->outbuf,smb_com,trans);
51 SSVAL(cli->outbuf,smb_tid, cli->cnum);
52 cli_setup_packet(cli);
53 mid = cli->mid;
54
55 if (pipe_name) {
56 pipe_name_len = clistr_push(cli, smb_buf(cli->outbuf), pipe_name, -1, STR_TERMINATE);
57 }
58
59 outparam = smb_buf(cli->outbuf)+(trans==SMBtrans ? pipe_name_len : 3);
60 outdata = outparam+this_lparam;
61
62 /* primary request */
63 SSVAL(cli->outbuf,smb_tpscnt,lparam); /* tpscnt */
64 SSVAL(cli->outbuf,smb_tdscnt,ldata); /* tdscnt */
65 SSVAL(cli->outbuf,smb_mprcnt,mparam); /* mprcnt */
66 SSVAL(cli->outbuf,smb_mdrcnt,mdata); /* mdrcnt */
67 SCVAL(cli->outbuf,smb_msrcnt,msetup); /* msrcnt */
68 SSVAL(cli->outbuf,smb_flags,flags); /* flags */
69 SIVAL(cli->outbuf,smb_timeout,0); /* timeout */
70 SSVAL(cli->outbuf,smb_pscnt,this_lparam); /* pscnt */
71 SSVAL(cli->outbuf,smb_psoff,smb_offset(outparam,cli->outbuf)); /* psoff */
72 SSVAL(cli->outbuf,smb_dscnt,this_ldata); /* dscnt */
73 SSVAL(cli->outbuf,smb_dsoff,smb_offset(outdata,cli->outbuf)); /* dsoff */
74 SCVAL(cli->outbuf,smb_suwcnt,lsetup); /* suwcnt */
75 for (i=0;i<lsetup;i++) /* setup[] */
76 SSVAL(cli->outbuf,smb_setup+i*2,setup[i]);
77 p = smb_buf(cli->outbuf);
78 if (trans != SMBtrans) {
79 *p++ = 0; /* put in a null smb_name */
80 *p++ = 'D'; *p++ = ' '; /* observed in OS/2 */
81 }
82 if (this_lparam) /* param[] */
83 memcpy(outparam,param,this_lparam);
84 if (this_ldata) /* data[] */
85 memcpy(outdata,data,this_ldata);
86 cli_setup_bcc(cli, outdata+this_ldata);
87
88 show_msg(cli->outbuf);
89
90 cli_signing_trans_start(cli);
91 if (!cli_send_smb(cli)) {
92 cli_signing_trans_stop(cli);
93 return False;
94 }
95
96 if (this_ldata < ldata || this_lparam < lparam) {
97 /* receive interim response */
98 if (!cli_receive_smb(cli) || cli_is_error(cli)) {
99 cli_signing_trans_stop(cli);
100 return(False);
101 }
102
103 tot_data = this_ldata;
104 tot_param = this_lparam;
105
106 while (tot_data < ldata || tot_param < lparam) {
107 this_lparam = MIN(lparam-tot_param,cli->max_xmit - 500); /* hack */
108 this_ldata = MIN(ldata-tot_data,cli->max_xmit - (500+this_lparam));
109
110 set_message(cli->outbuf,trans==SMBtrans?8:9,0,True);
111 SCVAL(cli->outbuf,smb_com,(trans==SMBtrans ? SMBtranss : SMBtranss2));
112
113 outparam = smb_buf(cli->outbuf);
114 outdata = outparam+this_lparam;
115
116 /* secondary request */
117 SSVAL(cli->outbuf,smb_tpscnt,lparam); /* tpscnt */
118 SSVAL(cli->outbuf,smb_tdscnt,ldata); /* tdscnt */
119 SSVAL(cli->outbuf,smb_spscnt,this_lparam); /* pscnt */
120 SSVAL(cli->outbuf,smb_spsoff,smb_offset(outparam,cli->outbuf)); /* psoff */
121 SSVAL(cli->outbuf,smb_spsdisp,tot_param); /* psdisp */
122 SSVAL(cli->outbuf,smb_sdscnt,this_ldata); /* dscnt */
123 SSVAL(cli->outbuf,smb_sdsoff,smb_offset(outdata,cli->outbuf)); /* dsoff */
124 SSVAL(cli->outbuf,smb_sdsdisp,tot_data); /* dsdisp */
125 if (trans==SMBtrans2)
126 SSVALS(cli->outbuf,smb_sfid,fid); /* fid */
127 if (this_lparam) /* param[] */
128 memcpy(outparam,param+tot_param,this_lparam);
129 if (this_ldata) /* data[] */
130 memcpy(outdata,data+tot_data,this_ldata);
131 cli_setup_bcc(cli, outdata+this_ldata);
132
133 /* Ensure this packet has the same MID as
134 * the primary. Important in signing. JRA. */
135 cli->mid = mid;
136
137 show_msg(cli->outbuf);
138 if (!cli_send_smb(cli)) {
139 cli_signing_trans_stop(cli);
140 return False;
141 }
142
143 tot_data += this_ldata;
144 tot_param += this_lparam;
145 }
146 }
147
148 return(True);
149 }
150
151 /****************************************************************************
152 Receive a SMB trans or trans2 response allocating the necessary memory.
153 ****************************************************************************/
154
155 BOOL cli_receive_trans(struct cli_state *cli,int trans,
156 char **param, unsigned int *param_len,
157 char **data, unsigned int *data_len)
158 {
159 unsigned int total_data=0;
160 unsigned int total_param=0;
161 unsigned int this_data,this_param;
162 NTSTATUS status;
163 char *tdata;
164 char *tparam;
165
166 *data_len = *param_len = 0;
167
168 if (!cli_receive_smb(cli)) {
169 cli_signing_trans_stop(cli);
170 return False;
171 }
172
173 show_msg(cli->inbuf);
174
175 /* sanity check */
176 if (CVAL(cli->inbuf,smb_com) != trans) {
177 DEBUG(0,("Expected %s response, got command 0x%02x\n",
178 trans==SMBtrans?"SMBtrans":"SMBtrans2",
179 CVAL(cli->inbuf,smb_com)));
180 cli_signing_trans_stop(cli);
181 return(False);
182 }
183
184 /*
185 * An NT RPC pipe call can return ERRDOS, ERRmoredata
186 * to a trans call. This is not an error and should not
187 * be treated as such.
188 */
189 status = cli_nt_error(cli);
190
191 if (NT_STATUS_IS_ERR(status)) {
192 cli_signing_trans_stop(cli);
193 return False;
194 }
195
196 /* parse out the lengths */
197 total_data = SVAL(cli->inbuf,smb_tdrcnt);
198 total_param = SVAL(cli->inbuf,smb_tprcnt);
199
200 /* allocate it */
201 if (total_data!=0) {
202 tdata = Realloc(*data,total_data);
203 if (!tdata) {
204 DEBUG(0,("cli_receive_trans: failed to enlarge data buffer\n"));
205 cli_signing_trans_stop(cli);
206 return False;
207 }
208 else
209 *data = tdata;
210 }
211
212 if (total_param!=0) {
213 tparam = Realloc(*param,total_param);
214 if (!tparam) {
215 DEBUG(0,("cli_receive_trans: failed to enlarge param buffer\n"));
216 cli_signing_trans_stop(cli);
217 return False;
218 }
219 else
220 *param = tparam;
221 }
222
223 for (;;) {
224 this_data = SVAL(cli->inbuf,smb_drcnt);
225 this_param = SVAL(cli->inbuf,smb_prcnt);
226
227 if (this_data + *data_len > total_data ||
228 this_param + *param_len > total_param) {
229 DEBUG(1,("Data overflow in cli_receive_trans\n"));
230 cli_signing_trans_stop(cli);
231 return False;
232 }
233
234 if (this_data + *data_len < this_data ||
235 this_data + *data_len < *data_len ||
236 this_param + *param_len < this_param ||
237 this_param + *param_len < *param_len) {
238 DEBUG(1,("Data overflow in cli_receive_trans\n"));
239 cli_signing_trans_stop(cli);
240 return False;
241 }
242
243 if (this_data) {
244 unsigned int data_offset_out = SVAL(cli->inbuf,smb_drdisp);
245 unsigned int data_offset_in = SVAL(cli->inbuf,smb_droff);
246
247 if (data_offset_out > total_data ||
248 data_offset_out + this_data > total_data ||
249 data_offset_out + this_data < data_offset_out ||
250 data_offset_out + this_data < this_data) {
251 DEBUG(1,("Data overflow in cli_receive_trans\n"));
252 cli_signing_trans_stop(cli);
253 return False;
254 }
255 if (data_offset_in > cli->bufsize ||
256 data_offset_in + this_data > cli->bufsize ||
257 data_offset_in + this_data < data_offset_in ||
258 data_offset_in + this_data < this_data) {
259 DEBUG(1,("Data overflow in cli_receive_trans\n"));
260 cli_signing_trans_stop(cli);
261 return False;
262 }
263
264 memcpy(*data + data_offset_out, smb_base(cli->inbuf) + data_offset_in, this_data);
265 }
266 if (this_param) {
267 unsigned int param_offset_out = SVAL(cli->inbuf,smb_prdisp);
268 unsigned int param_offset_in = SVAL(cli->inbuf,smb_proff);
269
270 if (param_offset_out > total_param ||
271 param_offset_out + this_param > total_param ||
272 param_offset_out + this_param < param_offset_out ||
273 param_offset_out + this_param < this_param) {
274 DEBUG(1,("Param overflow in cli_receive_trans\n"));
275 cli_signing_trans_stop(cli);
276 return False;
277 }
278 if (param_offset_in > cli->bufsize ||
279 param_offset_in + this_param > cli->bufsize ||
280 param_offset_in + this_param < param_offset_in ||
281 param_offset_in + this_param < this_param) {
282 DEBUG(1,("Param overflow in cli_receive_trans\n"));
283 cli_signing_trans_stop(cli);
284 return False;
285 }
286
287 memcpy(*param + param_offset_out, smb_base(cli->inbuf) + param_offset_in, this_param);
288 }
289 *data_len += this_data;
290 *param_len += this_param;
291
292 if (total_data <= *data_len && total_param <= *param_len)
293 break;
294
295 if (!cli_receive_smb(cli)) {
296 cli_signing_trans_stop(cli);
297 return False;
298 }
299
300 show_msg(cli->inbuf);
301
302 /* sanity check */
303 if (CVAL(cli->inbuf,smb_com) != trans) {
304 DEBUG(0,("Expected %s response, got command 0x%02x\n",
305 trans==SMBtrans?"SMBtrans":"SMBtrans2",
306 CVAL(cli->inbuf,smb_com)));
307 cli_signing_trans_stop(cli);
308 return(False);
309 }
310 if (NT_STATUS_IS_ERR(cli_nt_error(cli))) {
311 cli_signing_trans_stop(cli);
312 return(False);
313 }
314
315 /* parse out the total lengths again - they can shrink! */
316 if (SVAL(cli->inbuf,smb_tdrcnt) < total_data)
317 total_data = SVAL(cli->inbuf,smb_tdrcnt);
318 if (SVAL(cli->inbuf,smb_tprcnt) < total_param)
319 total_param = SVAL(cli->inbuf,smb_tprcnt);
320
321 if (total_data <= *data_len && total_param <= *param_len)
322 break;
323
324 }
325
326 cli_signing_trans_stop(cli);
327 return(True);
328 }
329
330 /****************************************************************************
331 Send a SMB nttrans request.
332 ****************************************************************************/
333
334 BOOL cli_send_nt_trans(struct cli_state *cli,
335 int function,
336 int flags,
337 uint16 *setup, unsigned int lsetup, unsigned int msetup,
338 char *param, unsigned int lparam, unsigned int mparam,
339 char *data, unsigned int ldata, unsigned int mdata)
340 {
341 unsigned int i;
342 unsigned int this_ldata,this_lparam;
343 unsigned int tot_data=0,tot_param=0;
344 uint16 mid;
345 char *outdata,*outparam;
346
347 this_lparam = MIN(lparam,cli->max_xmit - (500+lsetup*2)); /* hack */
348 this_ldata = MIN(ldata,cli->max_xmit - (500+lsetup*2+this_lparam));
349
350 memset(cli->outbuf,'\0',smb_size);
351 set_message(cli->outbuf,19+lsetup,0,True);
352 SCVAL(cli->outbuf,smb_com,SMBnttrans);
353 SSVAL(cli->outbuf,smb_tid, cli->cnum);
354 cli_setup_packet(cli);
355 mid = cli->mid;
356
357 outparam = smb_buf(cli->outbuf)+3;
358 outdata = outparam+this_lparam;
359
360 /* primary request */
361 SCVAL(cli->outbuf,smb_nt_MaxSetupCount,msetup);
362 SCVAL(cli->outbuf,smb_nt_Flags,flags);
363 SIVAL(cli->outbuf,smb_nt_TotalParameterCount, lparam);
364 SIVAL(cli->outbuf,smb_nt_TotalDataCount, ldata);
365 SIVAL(cli->outbuf,smb_nt_MaxParameterCount, mparam);
366 SIVAL(cli->outbuf,smb_nt_MaxDataCount, mdata);
367 SIVAL(cli->outbuf,smb_nt_ParameterCount, this_lparam);
368 SIVAL(cli->outbuf,smb_nt_ParameterOffset, smb_offset(outparam,cli->outbuf));
369 SIVAL(cli->outbuf,smb_nt_DataCount, this_ldata);
370 SIVAL(cli->outbuf,smb_nt_DataOffset, smb_offset(outdata,cli->outbuf));
371 SIVAL(cli->outbuf,smb_nt_SetupCount, lsetup);
372 SIVAL(cli->outbuf,smb_nt_Function, function);
373 for (i=0;i<lsetup;i++) /* setup[] */
374 SSVAL(cli->outbuf,smb_nt_SetupStart+i*2,setup[i]);
375
376 if (this_lparam) /* param[] */
377 memcpy(outparam,param,this_lparam);
378 if (this_ldata) /* data[] */
379 memcpy(outdata,data,this_ldata);
380
381 cli_setup_bcc(cli, outdata+this_ldata);
382
383 show_msg(cli->outbuf);
384 cli_signing_trans_start(cli);
385 if (!cli_send_smb(cli)) {
386 cli_signing_trans_stop(cli);
387 return False;
388 }
389
390 if (this_ldata < ldata || this_lparam < lparam) {
391 /* receive interim response */
392 if (!cli_receive_smb(cli) || cli_is_error(cli)) {
393 cli_signing_trans_stop(cli);
394 return(False);
395 }
396
397 tot_data = this_ldata;
398 tot_param = this_lparam;
399
400 while (tot_data < ldata || tot_param < lparam) {
401 this_lparam = MIN(lparam-tot_param,cli->max_xmit - 500); /* hack */
402 this_ldata = MIN(ldata-tot_data,cli->max_xmit - (500+this_lparam));
403
404 set_message(cli->outbuf,18,0,True);
405 SCVAL(cli->outbuf,smb_com,SMBnttranss);
406
407 /* XXX - these should probably be aligned */
408 outparam = smb_buf(cli->outbuf);
409 outdata = outparam+this_lparam;
410
411 /* secondary request */
412 SIVAL(cli->outbuf,smb_nts_TotalParameterCount,lparam);
413 SIVAL(cli->outbuf,smb_nts_TotalDataCount,ldata);
414 SIVAL(cli->outbuf,smb_nts_ParameterCount,this_lparam);
415 SIVAL(cli->outbuf,smb_nts_ParameterOffset,smb_offset(outparam,cli->outbuf));
416 SIVAL(cli->outbuf,smb_nts_ParameterDisplacement,tot_param);
417 SIVAL(cli->outbuf,smb_nts_DataCount,this_ldata);
418 SIVAL(cli->outbuf,smb_nts_DataOffset,smb_offset(outdata,cli->outbuf));
419 SIVAL(cli->outbuf,smb_nts_DataDisplacement,tot_data);
420 if (this_lparam) /* param[] */
421 memcpy(outparam,param+tot_param,this_lparam);
422 if (this_ldata) /* data[] */
423 memcpy(outdata,data+tot_data,this_ldata);
424 cli_setup_bcc(cli, outdata+this_ldata);
425
426 /* Ensure this packet has the same MID as
427 * the primary. Important in signing. JRA. */
428 cli->mid = mid;
429
430 show_msg(cli->outbuf);
431
432 if (!cli_send_smb(cli)) {
433 cli_signing_trans_stop(cli);
434 return False;
435 }
436
437 tot_data += this_ldata;
438 tot_param += this_lparam;
439 }
440 }
441
442 return(True);
443 }
444
445 /****************************************************************************
446 receive a SMB nttrans response allocating the necessary memory
447 ****************************************************************************/
448
449 BOOL cli_receive_nt_trans(struct cli_state *cli,
450 char **param, unsigned int *param_len,
451 char **data, unsigned int *data_len)
452 {
453 unsigned int total_data=0;
454 unsigned int total_param=0;
455 unsigned int this_data,this_param;
456 uint8 eclass;
457 uint32 ecode;
458 char *tdata;
459 char *tparam;
460
461 *data_len = *param_len = 0;
462
463 if (!cli_receive_smb(cli)) {
464 cli_signing_trans_stop(cli);
465 return False;
466 }
467
468 show_msg(cli->inbuf);
469
470 /* sanity check */
471 if (CVAL(cli->inbuf,smb_com) != SMBnttrans) {
472 DEBUG(0,("Expected SMBnttrans response, got command 0x%02x\n",
473 CVAL(cli->inbuf,smb_com)));
474 cli_signing_trans_stop(cli);
475 return(False);
476 }
477
478 /*
479 * An NT RPC pipe call can return ERRDOS, ERRmoredata
480 * to a trans call. This is not an error and should not
481 * be treated as such.
482 */
483 if (cli_is_dos_error(cli)) {
484 cli_dos_error(cli, &eclass, &ecode);
485 if (cli->nt_pipe_fnum == 0 || !(eclass == ERRDOS && ecode == ERRmoredata)) {
486 cli_signing_trans_stop(cli);
487 return(False);
488 }
489 }
490
491 /*
492 * Likewise for NT_STATUS_BUFFER_TOO_SMALL
493 */
494 if (cli_is_nt_error(cli)) {
495 if (!NT_STATUS_EQUAL(cli_nt_error(cli),
496 NT_STATUS_BUFFER_TOO_SMALL)) {
497 cli_signing_trans_stop(cli);
498 return(False);
499 }
500 }
501
502 /* parse out the lengths */
503 total_data = SVAL(cli->inbuf,smb_ntr_TotalDataCount);
504 total_param = SVAL(cli->inbuf,smb_ntr_TotalParameterCount);
505
506 /* allocate it */
507 if (total_data) {
508 tdata = Realloc(*data,total_data);
509 if (!tdata) {
510 DEBUG(0,("cli_receive_nt_trans: failed to enlarge data buffer to %d\n",total_data));
511 cli_signing_trans_stop(cli);
512 return False;
513 } else {
514 *data = tdata;
515 }
516 }
517
518 if (total_param) {
519 tparam = Realloc(*param,total_param);
520 if (!tparam) {
521 DEBUG(0,("cli_receive_nt_trans: failed to enlarge param buffer to %d\n", total_param));
522 cli_signing_trans_stop(cli);
523 return False;
524 } else {
525 *param = tparam;
526 }
527 }
528
529 while (1) {
530 this_data = SVAL(cli->inbuf,smb_ntr_DataCount);
531 this_param = SVAL(cli->inbuf,smb_ntr_ParameterCount);
532
533 if (this_data + *data_len > total_data ||
534 this_param + *param_len > total_param) {
535 DEBUG(1,("Data overflow in cli_receive_nt_trans\n"));
536 cli_signing_trans_stop(cli);
537 return False;
538 }
539
540 if (this_data + *data_len < this_data ||
541 this_data + *data_len < *data_len ||
542 this_param + *param_len < this_param ||
543 this_param + *param_len < *param_len) {
544 DEBUG(1,("Data overflow in cli_receive_nt_trans\n"));
545 cli_signing_trans_stop(cli);
546 return False;
547 }
548
549 if (this_data) {
550 unsigned int data_offset_out = SVAL(cli->inbuf,smb_ntr_DataDisplacement);
551 unsigned int data_offset_in = SVAL(cli->inbuf,smb_ntr_DataOffset);
552
553 if (data_offset_out > total_data ||
554 data_offset_out + this_data > total_data ||
555 data_offset_out + this_data < data_offset_out ||
556 data_offset_out + this_data < this_data) {
557 DEBUG(1,("Data overflow in cli_receive_nt_trans\n"));
558 cli_signing_trans_stop(cli);
559 return False;
560 }
561 if (data_offset_in > cli->bufsize ||
562 data_offset_in + this_data > cli->bufsize ||
563 data_offset_in + this_data < data_offset_in ||
564 data_offset_in + this_data < this_data) {
565 DEBUG(1,("Data overflow in cli_receive_nt_trans\n"));
566 cli_signing_trans_stop(cli);
567 return False;
568 }
569
570 memcpy(*data + data_offset_out, smb_base(cli->inbuf) + data_offset_in, this_data);
571 }
572
573 if (this_param) {
574 unsigned int param_offset_out = SVAL(cli->inbuf,smb_ntr_ParameterDisplacement);
575 unsigned int param_offset_in = SVAL(cli->inbuf,smb_ntr_ParameterOffset);
576
577 if (param_offset_out > total_param ||
578 param_offset_out + this_param > total_param ||
579 param_offset_out + this_param < param_offset_out ||
580 param_offset_out + this_param < this_param) {
581 DEBUG(1,("Param overflow in cli_receive_nt_trans\n"));
582 cli_signing_trans_stop(cli);
583 return False;
584 }
585 if (param_offset_in > cli->bufsize ||
586 param_offset_in + this_param > cli->bufsize ||
587 param_offset_in + this_param < param_offset_in ||
588 param_offset_in + this_param < this_param) {
589 DEBUG(1,("Param overflow in cli_receive_nt_trans\n"));
590 cli_signing_trans_stop(cli);
591 return False;
592 }
593
594 memcpy(*param + param_offset_out, smb_base(cli->inbuf) + param_offset_in, this_param);
595 }
596
597 *data_len += this_data;
598 *param_len += this_param;
599
600 if (total_data <= *data_len && total_param <= *param_len)
601 break;
602
603 if (!cli_receive_smb(cli)) {
604 cli_signing_trans_stop(cli);
605 return False;
606 }
607
608 show_msg(cli->inbuf);
609
610 /* sanity check */
611 if (CVAL(cli->inbuf,smb_com) != SMBnttrans) {
612 DEBUG(0,("Expected SMBnttrans response, got command 0x%02x\n",
613 CVAL(cli->inbuf,smb_com)));
614 cli_signing_trans_stop(cli);
615 return(False);
616 }
617 if (cli_is_dos_error(cli)) {
618 cli_dos_error(cli, &eclass, &ecode);
619 if(cli->nt_pipe_fnum == 0 || !(eclass == ERRDOS && ecode == ERRmoredata)) {
620 cli_signing_trans_stop(cli);
621 return(False);
622 }
623 }
624 /* parse out the total lengths again - they can shrink! */
625 if (SVAL(cli->inbuf,smb_ntr_TotalDataCount) < total_data)
626 total_data = SVAL(cli->inbuf,smb_ntr_TotalDataCount);
627 if (SVAL(cli->inbuf,smb_ntr_TotalParameterCount) < total_param)
628 total_param = SVAL(cli->inbuf,smb_ntr_TotalParameterCount);
629
630 if (total_data <= *data_len && total_param <= *param_len)
631 break;
632 }
633
634 cli_signing_trans_stop(cli);
635 return(True);
636 }
reg import