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r15837: starting sync up for 3.0.23rc1 (in sync with SAMBA_3_0 r15822)
[Samba.git] / source / smbd / ipc.c
blob7f9505606ccdb99bbc0e854682eeedaccd7485ab
1 /*
2 Unix SMB/CIFS implementation.
3 Inter-process communication and named pipe handling
4 Copyright (C) Andrew Tridgell 1992-1998
5
6 SMB Version handling
7 Copyright (C) John H Terpstra 1995-1998
8
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 */
23 /*
24 This file handles the named pipe and mailslot calls
25 in the SMBtrans protocol
26 */
27
28 #include "includes.h"
29
30 extern int max_send;
31
32 #define NERR_notsupported 50
33
34 extern int smb_read_error;
35
36 /*******************************************************************
37 copies parameters and data, as needed, into the smb buffer
38
39 *both* the data and params sections should be aligned. this
40 is fudged in the rpc pipes by
41 at present, only the data section is. this may be a possible
42 cause of some of the ipc problems being experienced. lkcl26dec97
43
44 ******************************************************************/
45
46 static void copy_trans_params_and_data(char *outbuf, int align,
47 char *rparam, int param_offset, int param_len,
48 char *rdata, int data_offset, int data_len)
49 {
50 char *copy_into = smb_buf(outbuf)+1;
51
52 if(param_len < 0)
53 param_len = 0;
54
55 if(data_len < 0)
56 data_len = 0;
57
58 DEBUG(5,("copy_trans_params_and_data: params[%d..%d] data[%d..%d]\n",
59 param_offset, param_offset + param_len,
60 data_offset , data_offset + data_len));
61
62 if (param_len)
63 memcpy(copy_into, &rparam[param_offset], param_len);
64
65 copy_into += param_len + align;
66
67 if (data_len )
68 memcpy(copy_into, &rdata[data_offset], data_len);
69 }
70
71 /****************************************************************************
72 Send a trans reply.
73 ****************************************************************************/
74
75 void send_trans_reply(char *outbuf,
76 char *rparam, int rparam_len,
77 char *rdata, int rdata_len,
78 BOOL buffer_too_large)
79 {
80 int this_ldata,this_lparam;
81 int tot_data_sent = 0;
82 int tot_param_sent = 0;
83 int align;
84
85 int ldata = rdata ? rdata_len : 0;
86 int lparam = rparam ? rparam_len : 0;
87
88 if (buffer_too_large)
89 DEBUG(5,("send_trans_reply: buffer %d too large\n", ldata ));
90
91 this_lparam = MIN(lparam,max_send - 500); /* hack */
92 this_ldata = MIN(ldata,max_send - (500+this_lparam));
93
94 align = ((this_lparam)%4);
95
96 if (buffer_too_large) {
97 ERROR_BOTH(STATUS_BUFFER_OVERFLOW,ERRDOS,ERRmoredata);
98 }
99
100 set_message(outbuf,10,1+align+this_ldata+this_lparam,True);
101
102 copy_trans_params_and_data(outbuf, align,
103 rparam, tot_param_sent, this_lparam,
104 rdata, tot_data_sent, this_ldata);
105
106 SSVAL(outbuf,smb_vwv0,lparam);
107 SSVAL(outbuf,smb_vwv1,ldata);
108 SSVAL(outbuf,smb_vwv3,this_lparam);
109 SSVAL(outbuf,smb_vwv4,smb_offset(smb_buf(outbuf)+1,outbuf));
110 SSVAL(outbuf,smb_vwv5,0);
111 SSVAL(outbuf,smb_vwv6,this_ldata);
112 SSVAL(outbuf,smb_vwv7,smb_offset(smb_buf(outbuf)+1+this_lparam+align,outbuf));
113 SSVAL(outbuf,smb_vwv8,0);
114 SSVAL(outbuf,smb_vwv9,0);
115
116 show_msg(outbuf);
117 if (!send_smb(smbd_server_fd(),outbuf))
118 exit_server("send_trans_reply: send_smb failed.");
119
120 tot_data_sent = this_ldata;
121 tot_param_sent = this_lparam;
122
123 while (tot_data_sent < ldata || tot_param_sent < lparam)
124 {
125 this_lparam = MIN(lparam-tot_param_sent, max_send - 500); /* hack */
126 this_ldata = MIN(ldata -tot_data_sent, max_send - (500+this_lparam));
127
128 if(this_lparam < 0)
129 this_lparam = 0;
130
131 if(this_ldata < 0)
132 this_ldata = 0;
133
134 align = (this_lparam%4);
135
136 set_message(outbuf,10,1+this_ldata+this_lparam+align,False);
137
138 copy_trans_params_and_data(outbuf, align,
139 rparam, tot_param_sent, this_lparam,
140 rdata, tot_data_sent, this_ldata);
141
142 SSVAL(outbuf,smb_vwv3,this_lparam);
143 SSVAL(outbuf,smb_vwv4,smb_offset(smb_buf(outbuf)+1,outbuf));
144 SSVAL(outbuf,smb_vwv5,tot_param_sent);
145 SSVAL(outbuf,smb_vwv6,this_ldata);
146 SSVAL(outbuf,smb_vwv7,smb_offset(smb_buf(outbuf)+1+this_lparam+align,outbuf));
147 SSVAL(outbuf,smb_vwv8,tot_data_sent);
148 SSVAL(outbuf,smb_vwv9,0);
149
150 show_msg(outbuf);
151 if (!send_smb(smbd_server_fd(),outbuf))
152 exit_server("send_trans_reply: send_smb failed.");
153
154 tot_data_sent += this_ldata;
155 tot_param_sent += this_lparam;
156 }
157 }
158
159 /****************************************************************************
160 Start the first part of an RPC reply which began with an SMBtrans request.
161 ****************************************************************************/
162
163 static BOOL api_rpc_trans_reply(char *outbuf, smb_np_struct *p)
164 {
165 BOOL is_data_outstanding;
166 char *rdata = (char *)SMB_MALLOC(p->max_trans_reply);
167 int data_len;
168
169 if(rdata == NULL) {
170 DEBUG(0,("api_rpc_trans_reply: malloc fail.\n"));
171 return False;
172 }
173
174 if((data_len = read_from_pipe( p, rdata, p->max_trans_reply,
175 &is_data_outstanding)) < 0) {
176 SAFE_FREE(rdata);
177 return False;
178 }
179
180 send_trans_reply(outbuf, NULL, 0, rdata, data_len, is_data_outstanding);
181
182 SAFE_FREE(rdata);
183 return True;
184 }
185
186 /****************************************************************************
187 WaitNamedPipeHandleState
188 ****************************************************************************/
189
190 static BOOL api_WNPHS(char *outbuf, smb_np_struct *p, char *param, int param_len)
191 {
192 uint16 priority;
193
194 if (!param || param_len < 2)
195 return False;
196
197 priority = SVAL(param,0);
198 DEBUG(4,("WaitNamedPipeHandleState priority %x\n", priority));
199
200 if (wait_rpc_pipe_hnd_state(p, priority)) {
201 /* now send the reply */
202 send_trans_reply(outbuf, NULL, 0, NULL, 0, False);
203 return True;
204 }
205 return False;
206 }
207
208
209 /****************************************************************************
210 SetNamedPipeHandleState
211 ****************************************************************************/
212
213 static BOOL api_SNPHS(char *outbuf, smb_np_struct *p, char *param, int param_len)
214 {
215 uint16 id;
216
217 if (!param || param_len < 2)
218 return False;
219
220 id = SVAL(param,0);
221 DEBUG(4,("SetNamedPipeHandleState to code %x\n", id));
222
223 if (set_rpc_pipe_hnd_state(p, id)) {
224 /* now send the reply */
225 send_trans_reply(outbuf, NULL, 0, NULL, 0, False);
226 return True;
227 }
228 return False;
229 }
230
231
232 /****************************************************************************
233 When no reply is generated, indicate unsupported.
234 ****************************************************************************/
235
236 static BOOL api_no_reply(char *outbuf, int max_rdata_len)
237 {
238 char rparam[4];
239
240 /* unsupported */
241 SSVAL(rparam,0,NERR_notsupported);
242 SSVAL(rparam,2,0); /* converter word */
243
244 DEBUG(3,("Unsupported API fd command\n"));
245
246 /* now send the reply */
247 send_trans_reply(outbuf, rparam, 4, NULL, 0, False);
248
249 return -1;
250 }
251
252 /****************************************************************************
253 Handle remote api calls delivered to a named pipe already opened.
254 ****************************************************************************/
255
256 static int api_fd_reply(connection_struct *conn,uint16 vuid,char *outbuf,
257 uint16 *setup,char *data,char *params,
258 int suwcnt,int tdscnt,int tpscnt,int mdrcnt,int mprcnt)
259 {
260 BOOL reply = False;
261 smb_np_struct *p = NULL;
262 int pnum;
263 int subcommand;
264
265 DEBUG(5,("api_fd_reply\n"));
266
267 /* First find out the name of this file. */
268 if (suwcnt != 2) {
269 DEBUG(0,("Unexpected named pipe transaction.\n"));
270 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
271 }
272
273 /* Get the file handle and hence the file name. */
274 /*
275 * NB. The setup array has already been transformed
276 * via SVAL and so is in gost byte order.
277 */
278 pnum = ((int)setup[1]) & 0xFFFF;
279 subcommand = ((int)setup[0]) & 0xFFFF;
280
281 if(!(p = get_rpc_pipe(pnum))) {
282 if (subcommand == TRANSACT_WAITNAMEDPIPEHANDLESTATE) {
283 /* Win9x does this call with a unicode pipe name, not a pnum. */
284 /* Just return success for now... */
285 DEBUG(3,("Got TRANSACT_WAITNAMEDPIPEHANDLESTATE on text pipe name\n"));
286 send_trans_reply(outbuf, NULL, 0, NULL, 0, False);
287 return -1;
288 }
289
290 DEBUG(1,("api_fd_reply: INVALID PIPE HANDLE: %x\n", pnum));
291 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
292 }
293
294 DEBUG(3,("Got API command 0x%x on pipe \"%s\" (pnum %x)\n", subcommand, p->name, pnum));
295
296 /* record maximum data length that can be transmitted in an SMBtrans */
297 p->max_trans_reply = mdrcnt;
298
299 DEBUG(10,("api_fd_reply: p:%p max_trans_reply: %d\n", p, p->max_trans_reply));
300
301 switch (subcommand) {
302 case TRANSACT_DCERPCCMD:
303 /* dce/rpc command */
304 reply = write_to_pipe(p, data, tdscnt);
305 if (reply)
306 reply = api_rpc_trans_reply(outbuf, p);
307 break;
308 case TRANSACT_WAITNAMEDPIPEHANDLESTATE:
309 /* Wait Named Pipe Handle state */
310 reply = api_WNPHS(outbuf, p, params, tpscnt);
311 break;
312 case TRANSACT_SETNAMEDPIPEHANDLESTATE:
313 /* Set Named Pipe Handle state */
314 reply = api_SNPHS(outbuf, p, params, tpscnt);
315 break;
316 default:
317 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
318 }
319
320 if (!reply)
321 return api_no_reply(outbuf, mdrcnt);
322
323 return -1;
324 }
325
326 /****************************************************************************
327 handle named pipe commands
328 ****************************************************************************/
329 static int named_pipe(connection_struct *conn,uint16 vuid, char *outbuf,char *name,
330 uint16 *setup,char *data,char *params,
331 int suwcnt,int tdscnt,int tpscnt,
332 int msrcnt,int mdrcnt,int mprcnt)
333 {
334 DEBUG(3,("named pipe command on <%s> name\n", name));
335
336 if (strequal(name,"LANMAN"))
337 return api_reply(conn,vuid,outbuf,data,params,tdscnt,tpscnt,mdrcnt,mprcnt);
338
339 if (strequal(name,"WKSSVC") ||
340 strequal(name,"SRVSVC") ||
341 strequal(name,"WINREG") ||
342 strequal(name,"SAMR") ||
343 strequal(name,"LSARPC"))
344 {
345 DEBUG(4,("named pipe command from Win95 (wow!)\n"));
346 return api_fd_reply(conn,vuid,outbuf,setup,data,params,suwcnt,tdscnt,tpscnt,mdrcnt,mprcnt);
347 }
348
349 if (strlen(name) < 1)
350 return api_fd_reply(conn,vuid,outbuf,setup,data,params,suwcnt,tdscnt,tpscnt,mdrcnt,mprcnt);
351
352 if (setup)
353 DEBUG(3,("unknown named pipe: setup 0x%X setup1=%d\n", (int)setup[0],(int)setup[1]));
354
355 return 0;
356 }
357
358 static NTSTATUS handle_trans(connection_struct *conn,
359 struct trans_state *state,
360 char *outbuf, int *outsize)
361 {
362 char *local_machine_name;
363 int name_offset = 0;
364
365 DEBUG(3,("trans <%s> data=%u params=%u setup=%u\n",
366 state->name,state->total_data,state->total_param,
367 state->setup_count));
368
369 /*
370 * WinCE wierdness....
371 */
372
373 local_machine_name = talloc_asprintf(state, "\\%s\\",
374 get_local_machine_name());
375
376 if (local_machine_name == NULL) {
377 return NT_STATUS_NO_MEMORY;
378 }
379
380 if (strnequal(state->name, local_machine_name,
381 strlen(local_machine_name))) {
382 name_offset = strlen(local_machine_name)-1;
383 }
384
385 if (!strnequal(&state->name[name_offset], "\\PIPE",
386 strlen("\\PIPE"))) {
387 return NT_STATUS_NOT_SUPPORTED;
388 }
389
390 name_offset += strlen("\\PIPE");
391
392 /* Win9x weirdness. When talking to a unicode server Win9x
393 only sends \PIPE instead of \PIPE\ */
394
395 if (state->name[name_offset] == '\\')
396 name_offset++;
397
398 DEBUG(5,("calling named_pipe\n"));
399 *outsize = named_pipe(conn, state->vuid, outbuf,
400 state->name+name_offset,
401 state->setup,state->data,
402 state->param,
403 state->setup_count,state->total_data,
404 state->total_param,
405 state->max_setup_return,
406 state->max_data_return,
407 state->max_param_return);
408
409 if (*outsize == 0) {
410 return NT_STATUS_NOT_SUPPORTED;
411 }
412
413 if (state->close_on_completion)
414 close_cnum(conn,state->vuid);
415
416 return NT_STATUS_OK;
417 }
418
419 /****************************************************************************
420 Reply to a SMBtrans.
421 ****************************************************************************/
422
423 int reply_trans(connection_struct *conn, char *inbuf,char *outbuf,
424 int size, int bufsize)
425 {
426 int outsize = 0;
427 unsigned int dsoff = SVAL(inbuf, smb_dsoff);
428 unsigned int dscnt = SVAL(inbuf, smb_dscnt);
429 unsigned int psoff = SVAL(inbuf, smb_psoff);
430 unsigned int pscnt = SVAL(inbuf, smb_pscnt);
431 struct trans_state *state;
432 NTSTATUS result;
433
434 START_PROFILE(SMBtrans);
435
436 result = allow_new_trans(conn->pending_trans, SVAL(inbuf, smb_mid));
437 if (!NT_STATUS_IS_OK(result)) {
438 DEBUG(2, ("Got invalid trans request: %s\n",
439 nt_errstr(result)));
440 END_PROFILE(SMBtrans);
441 return ERROR_NT(result);
442 }
443
444 if ((state = TALLOC_P(NULL, struct trans_state)) == NULL) {
445 DEBUG(0, ("talloc failed\n"));
446 END_PROFILE(SMBtrans);
447 return ERROR_NT(NT_STATUS_NO_MEMORY);
448 }
449
450 state->cmd = SMBtrans;
451
452 state->mid = SVAL(inbuf, smb_mid);
453 state->vuid = SVAL(inbuf, smb_uid);
454 state->setup_count = CVAL(inbuf, smb_suwcnt);
455 state->total_param = SVAL(inbuf, smb_tpscnt);
456 state->param = NULL;
457 state->total_data = SVAL(inbuf, smb_tdscnt);
458 state->data = NULL;
459 state->max_param_return = SVAL(inbuf, smb_mprcnt);
460 state->max_data_return = SVAL(inbuf, smb_mdrcnt);
461 state->max_setup_return = CVAL(inbuf, smb_msrcnt);
462 state->close_on_completion = BITSETW(inbuf+smb_vwv5,0);
463 state->one_way = BITSETW(inbuf+smb_vwv5,1);
464
465 memset(state->name, '\0',sizeof(state->name));
466 srvstr_pull_buf(inbuf, state->name, smb_buf(inbuf),
467 sizeof(state->name), STR_TERMINATE);
468
469 if ((dscnt > state->total_data) || (pscnt > state->total_param))
470 goto bad_param;
471
472 if (state->total_data) {
473 /* Can't use talloc here, the core routines do realloc on the
474 * params and data. */
475 state->data = SMB_MALLOC(state->total_data);
476 if (state->data == NULL) {
477 DEBUG(0,("reply_trans: data malloc fail for %u "
478 "bytes !\n", state->total_data));
479 TALLOC_FREE(state);
480 END_PROFILE(SMBtrans);
481 return(ERROR_DOS(ERRDOS,ERRnomem));
482 }
483 if ((dsoff+dscnt < dsoff) || (dsoff+dscnt < dscnt))
484 goto bad_param;
485 if ((smb_base(inbuf)+dsoff+dscnt > inbuf + size) ||
486 (smb_base(inbuf)+dsoff+dscnt < smb_base(inbuf)))
487 goto bad_param;
488
489 memcpy(state->data,smb_base(inbuf)+dsoff,dscnt);
490 }
491
492 if (state->total_param) {
493 /* Can't use talloc here, the core routines do realloc on the
494 * params and data. */
495 state->param = SMB_MALLOC(state->total_param);
496 if (state->param == NULL) {
497 DEBUG(0,("reply_trans: param malloc fail for %u "
498 "bytes !\n", state->total_param));
499 SAFE_FREE(state->data);
500 TALLOC_FREE(state);
501 END_PROFILE(SMBtrans);
502 return(ERROR_DOS(ERRDOS,ERRnomem));
503 }
504 if ((psoff+pscnt < psoff) || (psoff+pscnt < pscnt))
505 goto bad_param;
506 if ((smb_base(inbuf)+psoff+pscnt > inbuf + size) ||
507 (smb_base(inbuf)+psoff+pscnt < smb_base(inbuf)))
508 goto bad_param;
509
510 memcpy(state->param,smb_base(inbuf)+psoff,pscnt);
511 }
512
513 state->received_data = dscnt;
514 state->received_param = pscnt;
515
516 if (state->setup_count) {
517 unsigned int i;
518 if((state->setup = TALLOC_ARRAY(
519 state, uint16, state->setup_count)) == NULL) {
520 DEBUG(0,("reply_trans: setup malloc fail for %u "
521 "bytes !\n", (unsigned int)
522 (state->setup_count * sizeof(uint16))));
523 TALLOC_FREE(state);
524 END_PROFILE(SMBtrans);
525 return(ERROR_DOS(ERRDOS,ERRnomem));
526 }
527 if (inbuf+smb_vwv14+(state->setup_count*SIZEOFWORD) >
528 inbuf + size)
529 goto bad_param;
530 if ((smb_vwv14+(state->setup_count*SIZEOFWORD) < smb_vwv14) ||
531 (smb_vwv14+(state->setup_count*SIZEOFWORD) <
532 (state->setup_count*SIZEOFWORD)))
533 goto bad_param;
534
535 for (i=0;i<state->setup_count;i++)
536 state->setup[i] = SVAL(inbuf,smb_vwv14+i*SIZEOFWORD);
537 }
538
539 state->received_param = pscnt;
540
541 if ((state->received_param == state->total_param) &&
542 (state->received_data == state->total_data)) {
543
544 result = handle_trans(conn, state, outbuf, &outsize);
545
546 SAFE_FREE(state->data);
547 SAFE_FREE(state->param);
548 TALLOC_FREE(state);
549
550 if (!NT_STATUS_IS_OK(result)) {
551 END_PROFILE(SMBtrans);
552 return ERROR_NT(result);
553 }
554
555 if (outsize == 0) {
556 END_PROFILE(SMBtrans);
557 return ERROR_NT(NT_STATUS_INTERNAL_ERROR);
558 }
559
560 END_PROFILE(SMBtrans);
561 return outsize;
562 }
563
564 DLIST_ADD(conn->pending_trans, state);
565
566 /* We need to send an interim response then receive the rest
567 of the parameter/data bytes */
568 outsize = set_message(outbuf,0,0,True);
569 show_msg(outbuf);
570 END_PROFILE(SMBtrans);
571 return outsize;
572
573 bad_param:
574
575 DEBUG(0,("reply_trans: invalid trans parameters\n"));
576 SAFE_FREE(state->data);
577 SAFE_FREE(state->param);
578 TALLOC_FREE(state);
579 END_PROFILE(SMBtrans);
580 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
581 }
582
583 /****************************************************************************
584 Reply to a secondary SMBtrans.
585 ****************************************************************************/
586
587 int reply_transs(connection_struct *conn, char *inbuf,char *outbuf,
588 int size, int bufsize)
589 {
590 int outsize = 0;
591 unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
592 struct trans_state *state;
593 NTSTATUS result;
594
595 START_PROFILE(SMBtranss);
596
597 show_msg(inbuf);
598
599 for (state = conn->pending_trans; state != NULL;
600 state = state->next) {
601 if (state->mid == SVAL(inbuf,smb_mid)) {
602 break;
603 }
604 }
605
606 if ((state == NULL) || (state->cmd != SMBtrans)) {
607 END_PROFILE(SMBtranss);
608 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
609 }
610
611 /* Revise total_params and total_data in case they have changed
612 * downwards */
613
614 if (SVAL(inbuf, smb_vwv0) < state->total_param)
615 state->total_param = SVAL(inbuf,smb_vwv0);
616 if (SVAL(inbuf, smb_vwv1) < state->total_data)
617 state->total_data = SVAL(inbuf,smb_vwv1);
618
619 pcnt = SVAL(inbuf, smb_spscnt);
620 poff = SVAL(inbuf, smb_spsoff);
621 pdisp = SVAL(inbuf, smb_spsdisp);
622
623 dcnt = SVAL(inbuf, smb_sdscnt);
624 doff = SVAL(inbuf, smb_sdsoff);
625 ddisp = SVAL(inbuf, smb_sdsdisp);
626
627 state->received_param += pcnt;
628 state->received_data += dcnt;
629
630 if ((state->received_data > state->total_data) ||
631 (state->received_param > state->total_param))
632 goto bad_param;
633
634 if (pcnt) {
635 if (pdisp+pcnt > state->total_param)
636 goto bad_param;
637 if ((pdisp+pcnt < pdisp) || (pdisp+pcnt < pcnt))
638 goto bad_param;
639 if (pdisp > state->total_param)
640 goto bad_param;
641 if ((smb_base(inbuf) + poff + pcnt > inbuf + size) ||
642 (smb_base(inbuf) + poff + pcnt < smb_base(inbuf)))
643 goto bad_param;
644 if (state->param + pdisp < state->param)
645 goto bad_param;
646
647 memcpy(state->param+pdisp,smb_base(inbuf)+poff,
648 pcnt);
649 }
650
651 if (dcnt) {
652 if (ddisp+dcnt > state->total_data)
653 goto bad_param;
654 if ((ddisp+dcnt < ddisp) || (ddisp+dcnt < dcnt))
655 goto bad_param;
656 if (ddisp > state->total_data)
657 goto bad_param;
658 if ((smb_base(inbuf) + doff + dcnt > inbuf + size) ||
659 (smb_base(inbuf) + doff + dcnt < smb_base(inbuf)))
660 goto bad_param;
661 if (state->data + ddisp < state->data)
662 goto bad_param;
663
664 memcpy(state->data+ddisp, smb_base(inbuf)+doff,
665 dcnt);
666 }
667
668 if ((state->received_param < state->total_param) ||
669 (state->received_data < state->total_data)) {
670 END_PROFILE(SMBtranss);
671 return -1;
672 }
673
674 /* construct_reply_common has done us the favor to pre-fill the
675 * command field with SMBtranss which is wrong :-)
676 */
677 SCVAL(outbuf,smb_com,SMBtrans);
678
679 result = handle_trans(conn, state, outbuf, &outsize);
680
681 DLIST_REMOVE(conn->pending_trans, state);
682 SAFE_FREE(state->data);
683 SAFE_FREE(state->param);
684 TALLOC_FREE(state);
685
686 if ((outsize == 0) || !NT_STATUS_IS_OK(result)) {
687 END_PROFILE(SMBtranss);
688 return(ERROR_DOS(ERRSRV,ERRnosupport));
689 }
690
691 END_PROFILE(SMBtranss);
692 return(outsize);
693
694 bad_param:
695
696 DEBUG(0,("reply_transs: invalid trans parameters\n"));
697 DLIST_REMOVE(conn->pending_trans, state);
698 SAFE_FREE(state->data);
699 SAFE_FREE(state->param);
700 TALLOC_FREE(state);
701 END_PROFILE(SMBtranss);
702 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
703 }
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