/[rdesktop]/sourceforge.net/trunk/rdesktop/rdpdr.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Annotation of /sourceforge.net/trunk/rdesktop/rdpdr.c

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Revision 1429 - (hide annotations)
Thu Jan 24 08:06:02 2008 UTC (16 years, 5 months ago) by astrand
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1 astrand 657 /* -*- c-basic-offset: 8 -*-
2     rdesktop: A Remote Desktop Protocol client.
3 jsorg71 1365 Copyright (C) Matthew Chapman 1999-2007
4 astrand 657
5     This program is free software; you can redistribute it and/or modify
6     it under the terms of the GNU General Public License as published by
7     the Free Software Foundation; either version 2 of the License, or
8     (at your option) any later version.
9    
10     This program is distributed in the hope that it will be useful,
11     but WITHOUT ANY WARRANTY; without even the implied warranty of
12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13     GNU General Public License for more details.
14    
15     You should have received a copy of the GNU General Public License
16     along with this program; if not, write to the Free Software
17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18     */
19    
20     /*
21     Here are some resources, for your IRP hacking pleasure:
22    
23     http://cvs.sourceforge.net/viewcvs.py/mingw/w32api/include/ddk/winddk.h?view=markup
24    
25     http://win32.mvps.org/ntfs/streams.cpp
26    
27     http://www.acc.umu.se/~bosse/ntifs.h
28    
29     http://undocumented.ntinternals.net/UserMode/Undocumented%20Functions/NT%20Objects/File/
30    
31     http://us1.samba.org/samba/ftp/specs/smb-nt01.txt
32    
33     http://www.osronline.com/
34     */
35    
36 stargo 570 #include <unistd.h>
37 stargo 576 #include <sys/types.h>
38 stargo 609 #include <sys/time.h>
39 n-ki 627 #include <dirent.h> /* opendir, closedir, readdir */
40 stargo 576 #include <time.h>
41 astrand 674 #include <errno.h>
42 matthewc 432 #include "rdesktop.h"
43    
44 n-ki 569 #define IRP_MJ_CREATE 0x00
45     #define IRP_MJ_CLOSE 0x02
46     #define IRP_MJ_READ 0x03
47     #define IRP_MJ_WRITE 0x04
48     #define IRP_MJ_QUERY_INFORMATION 0x05
49     #define IRP_MJ_SET_INFORMATION 0x06
50     #define IRP_MJ_QUERY_VOLUME_INFORMATION 0x0a
51     #define IRP_MJ_DIRECTORY_CONTROL 0x0c
52     #define IRP_MJ_DEVICE_CONTROL 0x0e
53 astrand 650 #define IRP_MJ_LOCK_CONTROL 0x11
54 n-ki 569
55     #define IRP_MN_QUERY_DIRECTORY 0x01
56     #define IRP_MN_NOTIFY_CHANGE_DIRECTORY 0x02
57    
58 jsorg71 710 extern char g_hostname[16];
59 matthewc 432 extern DEVICE_FNS serial_fns;
60     extern DEVICE_FNS printer_fns;
61 n-ki 569 extern DEVICE_FNS parallel_fns;
62     extern DEVICE_FNS disk_fns;
63 stargo 1309 #ifdef WITH_SCARD
64     extern DEVICE_FNS scard_fns;
65     #endif
66 n-ki 627 extern FILEINFO g_fileinfo[];
67 jsorg71 1372 extern RD_BOOL g_notify_stamp;
68 astrand 673
69 matthewc 432 static VCHANNEL *rdpdr_channel;
70    
71 n-ki 569 /* If select() times out, the request for the device with handle g_min_timeout_fd is aborted */
72 jsorg71 1364 RD_NTHANDLE g_min_timeout_fd;
73 n-ki 569 uint32 g_num_devices;
74    
75     /* Table with information about rdpdr devices */
76     RDPDR_DEVICE g_rdpdr_device[RDPDR_MAX_DEVICES];
77 astrand 651 char *g_rdpdr_clientname = NULL;
78 n-ki 569
79     /* Used to store incoming io request, until they are ready to be completed */
80 n-ki 592 /* using a linked list ensures that they are processed in the right order, */
81     /* if multiple ios are being done on the same fd */
82 n-ki 569 struct async_iorequest
83     {
84 n-ki 592 uint32 fd, major, minor, offset, device, id, length, partial_len;
85 n-ki 569 long timeout, /* Total timeout */
86     itv_timeout; /* Interval timeout (between serial characters) */
87     uint8 *buffer;
88     DEVICE_FNS *fns;
89    
90 n-ki 592 struct async_iorequest *next; /* next element in list */
91 n-ki 593 };
92 n-ki 592
93 n-ki 593 struct async_iorequest *g_iorequest;
94    
95 n-ki 569 /* Return device_id for a given handle */
96     int
97 jsorg71 1364 get_device_index(RD_NTHANDLE handle)
98 n-ki 569 {
99     int i;
100     for (i = 0; i < RDPDR_MAX_DEVICES; i++)
101     {
102     if (g_rdpdr_device[i].handle == handle)
103     return i;
104     }
105     return -1;
106     }
107    
108     /* Converts a windows path to a unix path */
109 matthewc 432 void
110 n-ki 569 convert_to_unix_filename(char *filename)
111     {
112     char *p;
113    
114     while ((p = strchr(filename, '\\')))
115     {
116     *p = '/';
117     }
118     }
119    
120 jsorg71 1372 static RD_BOOL
121 n-ki 627 rdpdr_handle_ok(int device, int handle)
122     {
123     switch (g_rdpdr_device[device].device_type)
124     {
125     case DEVICE_TYPE_PARALLEL:
126     case DEVICE_TYPE_SERIAL:
127     case DEVICE_TYPE_PRINTER:
128     case DEVICE_TYPE_SCARD:
129     if (g_rdpdr_device[device].handle != handle)
130     return False;
131     break;
132     case DEVICE_TYPE_DISK:
133     if (g_fileinfo[handle].device_id != device)
134     return False;
135     break;
136     }
137     return True;
138     }
139    
140 n-ki 569 /* Add a new io request to the table containing pending io requests so it won't block rdesktop */
141 jsorg71 1372 static RD_BOOL
142 n-ki 569 add_async_iorequest(uint32 device, uint32 file, uint32 id, uint32 major, uint32 length,
143 n-ki 613 DEVICE_FNS * fns, uint32 total_timeout, uint32 interval_timeout, uint8 * buffer,
144     uint32 offset)
145 n-ki 569 {
146     struct async_iorequest *iorq;
147    
148 n-ki 593 if (g_iorequest == NULL)
149     {
150     g_iorequest = (struct async_iorequest *) xmalloc(sizeof(struct async_iorequest));
151 n-ki 612 if (!g_iorequest)
152     return False;
153 n-ki 593 g_iorequest->fd = 0;
154     g_iorequest->next = NULL;
155     }
156    
157     iorq = g_iorequest;
158    
159 n-ki 592 while (iorq->fd != 0)
160 n-ki 569 {
161 stargo 865 /* create new element if needed */
162 n-ki 592 if (iorq->next == NULL)
163 n-ki 569 {
164 n-ki 592 iorq->next =
165     (struct async_iorequest *) xmalloc(sizeof(struct async_iorequest));
166 n-ki 612 if (!iorq->next)
167     return False;
168 n-ki 593 iorq->next->fd = 0;
169     iorq->next->next = NULL;
170 n-ki 592 }
171 n-ki 593 iorq = iorq->next;
172 n-ki 569 }
173 n-ki 592 iorq->device = device;
174     iorq->fd = file;
175     iorq->id = id;
176     iorq->major = major;
177     iorq->length = length;
178     iorq->partial_len = 0;
179     iorq->fns = fns;
180     iorq->timeout = total_timeout;
181     iorq->itv_timeout = interval_timeout;
182     iorq->buffer = buffer;
183 n-ki 613 iorq->offset = offset;
184 n-ki 592 return True;
185 n-ki 569 }
186    
187 astrand 663 static void
188 matthewc 432 rdpdr_send_connect(void)
189     {
190     uint8 magic[4] = "rDCC";
191     STREAM s;
192    
193     s = channel_init(rdpdr_channel, 12);
194     out_uint8a(s, magic, 4);
195 astrand 435 out_uint16_le(s, 1); /* unknown */
196 matthewc 432 out_uint16_le(s, 5);
197 astrand 435 out_uint32_be(s, 0x815ed39d); /* IP address (use 127.0.0.1) 0x815ed39d */
198 matthewc 432 s_mark_end(s);
199     channel_send(s, rdpdr_channel);
200     }
201    
202 n-ki 569
203 astrand 663 static void
204 matthewc 432 rdpdr_send_name(void)
205     {
206     uint8 magic[4] = "rDNC";
207 astrand 647 STREAM s;
208     uint32 hostlen;
209    
210 astrand 651 if (NULL == g_rdpdr_clientname)
211     {
212 jsorg71 710 g_rdpdr_clientname = g_hostname;
213 forsberg 646 }
214 astrand 647 hostlen = (strlen(g_rdpdr_clientname) + 1) * 2;
215 matthewc 432
216 astrand 435 s = channel_init(rdpdr_channel, 16 + hostlen);
217 matthewc 432 out_uint8a(s, magic, 4);
218 astrand 435 out_uint16_le(s, 0x63); /* unknown */
219 matthewc 432 out_uint16_le(s, 0x72);
220     out_uint32(s, 0);
221     out_uint32_le(s, hostlen);
222 forsberg 646 rdp_out_unistr(s, g_rdpdr_clientname, hostlen - 2);
223 matthewc 432 s_mark_end(s);
224     channel_send(s, rdpdr_channel);
225     }
226    
227 n-ki 569 /* Returns the size of the payload of the announce packet */
228 astrand 663 static int
229 n-ki 569 announcedata_size()
230     {
231     int size, i;
232     PRINTER *printerinfo;
233    
234 stargo 865 size = 8; /* static announce size */
235 n-ki 569 size += g_num_devices * 0x14;
236    
237     for (i = 0; i < g_num_devices; i++)
238     {
239     if (g_rdpdr_device[i].device_type == DEVICE_TYPE_PRINTER)
240     {
241     printerinfo = (PRINTER *) g_rdpdr_device[i].pdevice_data;
242     printerinfo->bloblen =
243     printercache_load_blob(printerinfo->printer, &(printerinfo->blob));
244    
245     size += 0x18;
246     size += 2 * strlen(printerinfo->driver) + 2;
247     size += 2 * strlen(printerinfo->printer) + 2;
248     size += printerinfo->bloblen;
249     }
250     }
251    
252     return size;
253     }
254    
255 astrand 663 static void
256 matthewc 432 rdpdr_send_available(void)
257     {
258 n-ki 569
259 matthewc 432 uint8 magic[4] = "rDAD";
260 n-ki 569 uint32 driverlen, printerlen, bloblen;
261     int i;
262 matthewc 432 STREAM s;
263 n-ki 569 PRINTER *printerinfo;
264 matthewc 432
265 n-ki 569 s = channel_init(rdpdr_channel, announcedata_size());
266 matthewc 432 out_uint8a(s, magic, 4);
267 n-ki 569 out_uint32_le(s, g_num_devices);
268 matthewc 432
269 n-ki 569 for (i = 0; i < g_num_devices; i++)
270     {
271     out_uint32_le(s, g_rdpdr_device[i].device_type);
272     out_uint32_le(s, i); /* RDP Device ID */
273 astrand 747 /* Is it possible to use share names longer than 8 chars?
274     /astrand */
275 n-ki 569 out_uint8p(s, g_rdpdr_device[i].name, 8);
276    
277 n-ki 585 switch (g_rdpdr_device[i].device_type)
278 n-ki 569 {
279 n-ki 585 case DEVICE_TYPE_PRINTER:
280     printerinfo = (PRINTER *) g_rdpdr_device[i].pdevice_data;
281 n-ki 569
282 n-ki 585 driverlen = 2 * strlen(printerinfo->driver) + 2;
283     printerlen = 2 * strlen(printerinfo->printer) + 2;
284     bloblen = printerinfo->bloblen;
285 n-ki 569
286 n-ki 585 out_uint32_le(s, 24 + driverlen + printerlen + bloblen); /* length of extra info */
287     out_uint32_le(s, printerinfo->default_printer ? 2 : 0);
288     out_uint8s(s, 8); /* unknown */
289     out_uint32_le(s, driverlen);
290     out_uint32_le(s, printerlen);
291     out_uint32_le(s, bloblen);
292     rdp_out_unistr(s, printerinfo->driver, driverlen - 2);
293     rdp_out_unistr(s, printerinfo->printer, printerlen - 2);
294     out_uint8a(s, printerinfo->blob, bloblen);
295 n-ki 569
296 n-ki 598 if (printerinfo->blob)
297     xfree(printerinfo->blob); /* Blob is sent twice if reconnecting */
298 n-ki 585 break;
299     default:
300     out_uint32(s, 0);
301 n-ki 569 }
302     }
303 matthewc 432 #if 0
304 astrand 435 out_uint32_le(s, 0x20); /* Device type 0x20 - smart card */
305 matthewc 432 out_uint32_le(s, 0);
306     out_uint8p(s, "SCARD", 5);
307     out_uint8s(s, 3);
308     out_uint32(s, 0);
309     #endif
310    
311     s_mark_end(s);
312     channel_send(s, rdpdr_channel);
313     }
314    
315 stargo 1309 void
316 astrand 435 rdpdr_send_completion(uint32 device, uint32 id, uint32 status, uint32 result, uint8 * buffer,
317     uint32 length)
318 matthewc 432 {
319     uint8 magic[4] = "rDCI";
320     STREAM s;
321    
322 stargo 1328 #ifdef WITH_SCARD
323     scard_lock(SCARD_LOCK_RDPDR);
324     #endif
325 matthewc 432 s = channel_init(rdpdr_channel, 20 + length);
326     out_uint8a(s, magic, 4);
327     out_uint32_le(s, device);
328     out_uint32_le(s, id);
329     out_uint32_le(s, status);
330     out_uint32_le(s, result);
331     out_uint8p(s, buffer, length);
332     s_mark_end(s);
333 stargo 795 /* JIF */
334     #ifdef WITH_DEBUG_RDP5
335     printf("--> rdpdr_send_completion\n");
336 stargo 865 /* hexdump(s->channel_hdr + 8, s->end - s->channel_hdr - 8); */
337 stargo 795 #endif
338 matthewc 432 channel_send(s, rdpdr_channel);
339 stargo 1328 #ifdef WITH_SCARD
340     scard_unlock(SCARD_LOCK_RDPDR);
341     #endif
342 matthewc 432 }
343    
344     static void
345     rdpdr_process_irp(STREAM s)
346     {
347 n-ki 569 uint32 result = 0,
348     length = 0,
349     desired_access = 0,
350     request,
351     file,
352     info_level,
353     buffer_len,
354     id,
355     major,
356     minor,
357     device,
358     offset,
359     bytes_in,
360     bytes_out,
361     error_mode,
362     share_mode, disposition, total_timeout, interval_timeout, flags_and_attributes = 0;
363    
364 stargo 978 char filename[PATH_MAX];
365 n-ki 569 uint8 *buffer, *pst_buf;
366 matthewc 432 struct stream out;
367     DEVICE_FNS *fns;
368 jsorg71 1372 RD_BOOL rw_blocking = True;
369 jsorg71 1364 RD_NTSTATUS status = RD_STATUS_INVALID_DEVICE_REQUEST;
370 matthewc 432
371     in_uint32_le(s, device);
372     in_uint32_le(s, file);
373     in_uint32_le(s, id);
374     in_uint32_le(s, major);
375     in_uint32_le(s, minor);
376    
377 n-ki 569 buffer_len = 0;
378     buffer = (uint8 *) xmalloc(1024);
379     buffer[0] = 0;
380 matthewc 432
381 n-ki 569 switch (g_rdpdr_device[device].device_type)
382 matthewc 432 {
383 n-ki 569 case DEVICE_TYPE_SERIAL:
384    
385 matthewc 432 fns = &serial_fns;
386 n-ki 592 rw_blocking = False;
387 n-ki 569 break;
388    
389     case DEVICE_TYPE_PARALLEL:
390    
391     fns = &parallel_fns;
392 n-ki 592 rw_blocking = False;
393 n-ki 569 break;
394    
395     case DEVICE_TYPE_PRINTER:
396    
397 matthewc 432 fns = &printer_fns;
398 n-ki 569 break;
399    
400     case DEVICE_TYPE_DISK:
401    
402 n-ki 593 fns = &disk_fns;
403 n-ki 595 rw_blocking = False;
404 n-ki 569 break;
405    
406     case DEVICE_TYPE_SCARD:
407 stargo 1309 #ifdef WITH_SCARD
408     fns = &scard_fns;
409     rw_blocking = False;
410     break;
411     #endif
412 matthewc 432 default:
413 n-ki 569
414 matthewc 432 error("IRP for bad device %ld\n", device);
415     return;
416     }
417    
418     switch (major)
419     {
420     case IRP_MJ_CREATE:
421 n-ki 569
422     in_uint32_be(s, desired_access);
423 stargo 865 in_uint8s(s, 0x08); /* unknown */
424 n-ki 569 in_uint32_le(s, error_mode);
425     in_uint32_le(s, share_mode);
426     in_uint32_le(s, disposition);
427     in_uint32_le(s, flags_and_attributes);
428     in_uint32_le(s, length);
429    
430     if (length && (length / 2) < 256)
431     {
432 matthewc 1426 rdp_in_unistr(s, filename, sizeof(filename), length);
433 n-ki 569 convert_to_unix_filename(filename);
434     }
435     else
436     {
437     filename[0] = 0;
438     }
439    
440     if (!fns->create)
441     {
442 jsorg71 1364 status = RD_STATUS_NOT_SUPPORTED;
443 n-ki 569 break;
444     }
445    
446     status = fns->create(device, desired_access, share_mode, disposition,
447     flags_and_attributes, filename, &result);
448     buffer_len = 1;
449 matthewc 432 break;
450    
451     case IRP_MJ_CLOSE:
452 n-ki 569 if (!fns->close)
453     {
454 jsorg71 1364 status = RD_STATUS_NOT_SUPPORTED;
455 n-ki 569 break;
456     }
457    
458     status = fns->close(file);
459 matthewc 432 break;
460    
461     case IRP_MJ_READ:
462 n-ki 569
463     if (!fns->read)
464 matthewc 432 {
465 jsorg71 1364 status = RD_STATUS_NOT_SUPPORTED;
466 n-ki 569 break;
467     }
468    
469     in_uint32_le(s, length);
470     in_uint32_le(s, offset);
471     #if WITH_DEBUG_RDP5
472     DEBUG(("RDPDR IRP Read (length: %d, offset: %d)\n", length, offset));
473     #endif
474 n-ki 627 if (!rdpdr_handle_ok(device, file))
475     {
476 jsorg71 1364 status = RD_STATUS_INVALID_HANDLE;
477 n-ki 627 break;
478     }
479    
480 stargo 865 if (rw_blocking) /* Complete read immediately */
481 n-ki 592 {
482 n-ki 569 buffer = (uint8 *) xrealloc((void *) buffer, length);
483 n-ki 612 if (!buffer)
484     {
485 jsorg71 1364 status = RD_STATUS_CANCELLED;
486 n-ki 612 break;
487     }
488 n-ki 569 status = fns->read(file, buffer, length, offset, &result);
489 matthewc 432 buffer_len = result;
490 n-ki 569 break;
491 n-ki 592 }
492 n-ki 569
493 stargo 865 /* Add request to table */
494 n-ki 569 pst_buf = (uint8 *) xmalloc(length);
495 n-ki 612 if (!pst_buf)
496     {
497 jsorg71 1364 status = RD_STATUS_CANCELLED;
498 n-ki 612 break;
499     }
500 n-ki 569 serial_get_timeout(file, length, &total_timeout, &interval_timeout);
501     if (add_async_iorequest
502     (device, file, id, major, length, fns, total_timeout, interval_timeout,
503 n-ki 613 pst_buf, offset))
504 n-ki 569 {
505 jsorg71 1364 status = RD_STATUS_PENDING;
506 n-ki 569 break;
507     }
508    
509 jsorg71 1364 status = RD_STATUS_CANCELLED;
510 matthewc 432 break;
511     case IRP_MJ_WRITE:
512 n-ki 569
513     buffer_len = 1;
514    
515     if (!fns->write)
516     {
517 jsorg71 1364 status = RD_STATUS_NOT_SUPPORTED;
518 n-ki 569 break;
519     }
520    
521     in_uint32_le(s, length);
522     in_uint32_le(s, offset);
523     in_uint8s(s, 0x18);
524     #if WITH_DEBUG_RDP5
525     DEBUG(("RDPDR IRP Write (length: %d)\n", result));
526     #endif
527 n-ki 627 if (!rdpdr_handle_ok(device, file))
528     {
529 jsorg71 1364 status = RD_STATUS_INVALID_HANDLE;
530 n-ki 627 break;
531     }
532    
533 stargo 865 if (rw_blocking) /* Complete immediately */
534 n-ki 592 {
535 n-ki 569 status = fns->write(file, s->p, length, offset, &result);
536     break;
537 n-ki 592 }
538    
539 stargo 865 /* Add to table */
540 n-ki 569 pst_buf = (uint8 *) xmalloc(length);
541 n-ki 612 if (!pst_buf)
542     {
543 jsorg71 1364 status = RD_STATUS_CANCELLED;
544 n-ki 612 break;
545     }
546    
547 n-ki 569 in_uint8a(s, pst_buf, length);
548    
549     if (add_async_iorequest
550 n-ki 613 (device, file, id, major, length, fns, 0, 0, pst_buf, offset))
551 n-ki 569 {
552 jsorg71 1364 status = RD_STATUS_PENDING;
553 n-ki 569 break;
554     }
555    
556 jsorg71 1364 status = RD_STATUS_CANCELLED;
557 matthewc 432 break;
558    
559 n-ki 569 case IRP_MJ_QUERY_INFORMATION:
560    
561     if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK)
562     {
563 jsorg71 1364 status = RD_STATUS_INVALID_HANDLE;
564 n-ki 569 break;
565     }
566     in_uint32_le(s, info_level);
567    
568     out.data = out.p = buffer;
569     out.size = sizeof(buffer);
570     status = disk_query_information(file, info_level, &out);
571     result = buffer_len = out.p - out.data;
572    
573     break;
574    
575     case IRP_MJ_SET_INFORMATION:
576    
577     if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK)
578     {
579 jsorg71 1364 status = RD_STATUS_INVALID_HANDLE;
580 n-ki 569 break;
581     }
582    
583     in_uint32_le(s, info_level);
584    
585     out.data = out.p = buffer;
586     out.size = sizeof(buffer);
587     status = disk_set_information(file, info_level, s, &out);
588     result = buffer_len = out.p - out.data;
589     break;
590    
591     case IRP_MJ_QUERY_VOLUME_INFORMATION:
592    
593     if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK)
594     {
595 jsorg71 1364 status = RD_STATUS_INVALID_HANDLE;
596 n-ki 569 break;
597     }
598    
599     in_uint32_le(s, info_level);
600    
601     out.data = out.p = buffer;
602     out.size = sizeof(buffer);
603     status = disk_query_volume_information(file, info_level, &out);
604     result = buffer_len = out.p - out.data;
605     break;
606    
607     case IRP_MJ_DIRECTORY_CONTROL:
608    
609     if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK)
610     {
611 jsorg71 1364 status = RD_STATUS_INVALID_HANDLE;
612 n-ki 569 break;
613     }
614    
615     switch (minor)
616     {
617     case IRP_MN_QUERY_DIRECTORY:
618    
619     in_uint32_le(s, info_level);
620     in_uint8s(s, 1);
621     in_uint32_le(s, length);
622     in_uint8s(s, 0x17);
623     if (length && length < 2 * 255)
624     {
625 astrand 1429 rdp_in_unistr(s, filename, sizeof(filename),
626     length);
627 n-ki 569 convert_to_unix_filename(filename);
628     }
629     else
630     {
631     filename[0] = 0;
632     }
633     out.data = out.p = buffer;
634     out.size = sizeof(buffer);
635     status = disk_query_directory(file, info_level, filename,
636     &out);
637     result = buffer_len = out.p - out.data;
638     if (!buffer_len)
639     buffer_len++;
640     break;
641    
642     case IRP_MN_NOTIFY_CHANGE_DIRECTORY:
643    
644     /* JIF
645 stargo 795 unimpl("IRP major=0x%x minor=0x%x: IRP_MN_NOTIFY_CHANGE_DIRECTORY\n", major, minor); */
646    
647 stargo 865 in_uint32_le(s, info_level); /* notify mask */
648 stargo 795
649     status = disk_create_notify(file, info_level);
650     result = 0;
651    
652 jsorg71 1364 if (status == RD_STATUS_PENDING)
653 stargo 795 add_async_iorequest(device, file, id, major, length,
654     fns, 0, 0, NULL, 0);
655 n-ki 569 break;
656    
657     default:
658    
659 jsorg71 1364 status = RD_STATUS_INVALID_PARAMETER;
660 stargo 795 /* JIF */
661     unimpl("IRP major=0x%x minor=0x%x\n", major, minor);
662 n-ki 569 }
663     break;
664    
665 matthewc 432 case IRP_MJ_DEVICE_CONTROL:
666 n-ki 569
667     if (!fns->device_control)
668 matthewc 432 {
669 jsorg71 1364 status = RD_STATUS_NOT_SUPPORTED;
670 n-ki 569 break;
671 matthewc 432 }
672 n-ki 569
673     in_uint32_le(s, bytes_out);
674     in_uint32_le(s, bytes_in);
675     in_uint32_le(s, request);
676     in_uint8s(s, 0x14);
677    
678     buffer = (uint8 *) xrealloc((void *) buffer, bytes_out + 0x14);
679 n-ki 612 if (!buffer)
680     {
681 jsorg71 1364 status = RD_STATUS_CANCELLED;
682 n-ki 612 break;
683     }
684    
685 n-ki 569 out.data = out.p = buffer;
686     out.size = sizeof(buffer);
687 stargo 1319
688 stargo 1309 #ifdef WITH_SCARD
689     scardSetInfo(device, id, bytes_out + 0x14);
690     #endif
691 n-ki 569 status = fns->device_control(file, request, s, &out);
692     result = buffer_len = out.p - out.data;
693 stargo 1319
694 stargo 795 /* Serial SERIAL_WAIT_ON_MASK */
695 jsorg71 1364 if (status == RD_STATUS_PENDING)
696 stargo 795 {
697     if (add_async_iorequest
698     (device, file, id, major, length, fns, 0, 0, NULL, 0))
699     {
700 jsorg71 1364 status = RD_STATUS_PENDING;
701 stargo 795 break;
702     }
703     }
704 stargo 1309 #ifdef WITH_SCARD
705 jsorg71 1364 else if (status == (RD_STATUS_PENDING | 0xC0000000))
706     status = RD_STATUS_PENDING;
707 stargo 1309 #endif
708 matthewc 432 break;
709    
710 astrand 660
711     case IRP_MJ_LOCK_CONTROL:
712    
713     if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK)
714     {
715 jsorg71 1364 status = RD_STATUS_INVALID_HANDLE;
716 astrand 660 break;
717     }
718    
719     in_uint32_le(s, info_level);
720    
721     out.data = out.p = buffer;
722     out.size = sizeof(buffer);
723     /* FIXME: Perhaps consider actually *do*
724     something here :-) */
725 jsorg71 1364 status = RD_STATUS_SUCCESS;
726 astrand 660 result = buffer_len = out.p - out.data;
727     break;
728    
729 matthewc 432 default:
730     unimpl("IRP major=0x%x minor=0x%x\n", major, minor);
731     break;
732     }
733    
734 jsorg71 1364 if (status != RD_STATUS_PENDING)
735 n-ki 569 {
736     rdpdr_send_completion(device, id, status, result, buffer, buffer_len);
737     }
738 n-ki 612 if (buffer)
739     xfree(buffer);
740     buffer = NULL;
741 matthewc 432 }
742    
743 astrand 663 static void
744 n-ki 569 rdpdr_send_clientcapabilty(void)
745     {
746     uint8 magic[4] = "rDPC";
747     STREAM s;
748    
749     s = channel_init(rdpdr_channel, 0x50);
750     out_uint8a(s, magic, 4);
751     out_uint32_le(s, 5); /* count */
752     out_uint16_le(s, 1); /* first */
753     out_uint16_le(s, 0x28); /* length */
754     out_uint32_le(s, 1);
755     out_uint32_le(s, 2);
756     out_uint16_le(s, 2);
757     out_uint16_le(s, 5);
758     out_uint16_le(s, 1);
759     out_uint16_le(s, 5);
760     out_uint16_le(s, 0xFFFF);
761     out_uint16_le(s, 0);
762     out_uint32_le(s, 0);
763     out_uint32_le(s, 3);
764     out_uint32_le(s, 0);
765     out_uint32_le(s, 0);
766     out_uint16_le(s, 2); /* second */
767     out_uint16_le(s, 8); /* length */
768     out_uint32_le(s, 1);
769     out_uint16_le(s, 3); /* third */
770     out_uint16_le(s, 8); /* length */
771     out_uint32_le(s, 1);
772     out_uint16_le(s, 4); /* fourth */
773     out_uint16_le(s, 8); /* length */
774     out_uint32_le(s, 1);
775     out_uint16_le(s, 5); /* fifth */
776     out_uint16_le(s, 8); /* length */
777     out_uint32_le(s, 1);
778    
779     s_mark_end(s);
780     channel_send(s, rdpdr_channel);
781     }
782    
783 matthewc 432 static void
784     rdpdr_process(STREAM s)
785     {
786     uint32 handle;
787 matthewc 536 uint8 *magic;
788 matthewc 432
789 n-ki 569 #if WITH_DEBUG_RDP5
790     printf("--- rdpdr_process ---\n");
791 astrand 435 hexdump(s->p, s->end - s->p);
792 n-ki 569 #endif
793 matthewc 432 in_uint8p(s, magic, 4);
794    
795     if ((magic[0] == 'r') && (magic[1] == 'D'))
796     {
797     if ((magic[2] == 'R') && (magic[3] == 'I'))
798     {
799     rdpdr_process_irp(s);
800     return;
801     }
802     if ((magic[2] == 'n') && (magic[3] == 'I'))
803     {
804     rdpdr_send_connect();
805     rdpdr_send_name();
806     return;
807     }
808 n-ki 569 if ((magic[2] == 'C') && (magic[3] == 'C'))
809 matthewc 432 {
810     /* connect from server */
811 n-ki 569 rdpdr_send_clientcapabilty();
812     rdpdr_send_available();
813 matthewc 432 return;
814     }
815 n-ki 569 if ((magic[2] == 'r') && (magic[3] == 'd'))
816 matthewc 432 {
817     /* connect to a specific resource */
818     in_uint32(s, handle);
819 n-ki 569 #if WITH_DEBUG_RDP5
820     DEBUG(("RDPDR: Server connected to resource %d\n", handle));
821     #endif
822 matthewc 432 return;
823     }
824 n-ki 569 if ((magic[2] == 'P') && (magic[3] == 'S'))
825     {
826     /* server capability */
827     return;
828     }
829 matthewc 432 }
830 n-ki 569 if ((magic[0] == 'R') && (magic[1] == 'P'))
831     {
832     if ((magic[2] == 'C') && (magic[3] == 'P'))
833     {
834     printercache_process(s);
835     return;
836     }
837     }
838 matthewc 432 unimpl("RDPDR packet type %c%c%c%c\n", magic[0], magic[1], magic[2], magic[3]);
839     }
840    
841 jsorg71 1372 RD_BOOL
842 n-ki 569 rdpdr_init()
843 matthewc 432 {
844 n-ki 569 if (g_num_devices > 0)
845     {
846 astrand 580 rdpdr_channel =
847     channel_register("rdpdr",
848     CHANNEL_OPTION_INITIALIZED | CHANNEL_OPTION_COMPRESS_RDP,
849     rdpdr_process);
850 n-ki 569 }
851    
852 matthewc 432 return (rdpdr_channel != NULL);
853     }
854 n-ki 569
855     /* Add file descriptors of pending io request to select() */
856     void
857 jsorg71 1372 rdpdr_add_fds(int *n, fd_set * rfds, fd_set * wfds, struct timeval *tv, RD_BOOL * timeout)
858 n-ki 569 {
859 stargo 865 uint32 select_timeout = 0; /* Timeout value to be used for select() (in millisecons). */
860 n-ki 569 struct async_iorequest *iorq;
861 astrand 662 char c;
862 n-ki 569
863 n-ki 593 iorq = g_iorequest;
864 n-ki 592 while (iorq != NULL)
865 n-ki 569 {
866 astrand 673 if (iorq->fd != 0)
867 n-ki 569 {
868     switch (iorq->major)
869     {
870     case IRP_MJ_READ:
871 astrand 673 /* Is this FD valid? FDs will
872     be invalid when
873     reconnecting. FIXME: Real
874     support for reconnects. */
875 n-ki 569
876     FD_SET(iorq->fd, rfds);
877 astrand 673 *n = MAX(*n, iorq->fd);
878 n-ki 569
879 stargo 795 /* Check if io request timeout is smaller than current (but not 0). */
880 n-ki 569 if (iorq->timeout
881     && (select_timeout == 0
882     || iorq->timeout < select_timeout))
883     {
884 stargo 795 /* Set new timeout */
885 n-ki 569 select_timeout = iorq->timeout;
886     g_min_timeout_fd = iorq->fd; /* Remember fd */
887     tv->tv_sec = select_timeout / 1000;
888     tv->tv_usec = (select_timeout % 1000) * 1000;
889     *timeout = True;
890 stargo 795 break;
891 n-ki 569 }
892 stargo 795 if (iorq->itv_timeout && iorq->partial_len > 0
893     && (select_timeout == 0
894     || iorq->itv_timeout < select_timeout))
895     {
896     /* Set new timeout */
897     select_timeout = iorq->itv_timeout;
898     g_min_timeout_fd = iorq->fd; /* Remember fd */
899     tv->tv_sec = select_timeout / 1000;
900     tv->tv_usec = (select_timeout % 1000) * 1000;
901     *timeout = True;
902     break;
903     }
904 n-ki 569 break;
905    
906     case IRP_MJ_WRITE:
907 astrand 673 /* FD still valid? See above. */
908 astrand 674 if ((write(iorq->fd, &c, 0) != 0) && (errno == EBADF))
909 astrand 673 break;
910    
911 n-ki 569 FD_SET(iorq->fd, wfds);
912 astrand 673 *n = MAX(*n, iorq->fd);
913 n-ki 569 break;
914    
915 stargo 795 case IRP_MJ_DEVICE_CONTROL:
916     if (select_timeout > 5)
917     select_timeout = 5; /* serial event queue */
918     break;
919    
920 n-ki 569 }
921 astrand 673
922 n-ki 569 }
923 n-ki 592
924     iorq = iorq->next;
925 n-ki 569 }
926     }
927    
928 n-ki 627 struct async_iorequest *
929     rdpdr_remove_iorequest(struct async_iorequest *prev, struct async_iorequest *iorq)
930     {
931     if (!iorq)
932     return NULL;
933 n-ki 590
934 n-ki 627 if (iorq->buffer)
935     xfree(iorq->buffer);
936     if (prev)
937     {
938     prev->next = iorq->next;
939     xfree(iorq);
940     iorq = prev->next;
941     }
942     else
943     {
944 stargo 865 /* Even if NULL */
945 n-ki 627 g_iorequest = iorq->next;
946     xfree(iorq);
947     iorq = NULL;
948     }
949     return iorq;
950     }
951    
952 n-ki 569 /* Check if select() returned with one of the rdpdr file descriptors, and complete io if it did */
953 astrand 948 static void
954 jsorg71 1372 _rdpdr_check_fds(fd_set * rfds, fd_set * wfds, RD_BOOL timed_out)
955 n-ki 569 {
956 jsorg71 1364 RD_NTSTATUS status;
957 n-ki 592 uint32 result = 0;
958 n-ki 569 DEVICE_FNS *fns;
959     struct async_iorequest *iorq;
960 n-ki 592 struct async_iorequest *prev;
961 n-ki 595 uint32 req_size = 0;
962 stargo 795 uint32 buffer_len;
963     struct stream out;
964     uint8 *buffer = NULL;
965 n-ki 569
966 stargo 795
967 n-ki 569 if (timed_out)
968     {
969 stargo 795 /* check serial iv_timeout */
970    
971     iorq = g_iorequest;
972     prev = NULL;
973     while (iorq != NULL)
974     {
975     if (iorq->fd == g_min_timeout_fd)
976     {
977     if ((iorq->partial_len > 0) &&
978     (g_rdpdr_device[iorq->device].device_type ==
979     DEVICE_TYPE_SERIAL))
980     {
981    
982     /* iv_timeout between 2 chars, send partial_len */
983 astrand 879 /*printf("RDPDR: IVT total %u bytes read of %u\n", iorq->partial_len, iorq->length); */
984 stargo 795 rdpdr_send_completion(iorq->device,
985 jsorg71 1364 iorq->id, RD_STATUS_SUCCESS,
986 stargo 795 iorq->partial_len,
987     iorq->buffer, iorq->partial_len);
988     iorq = rdpdr_remove_iorequest(prev, iorq);
989     return;
990     }
991     else
992     {
993     break;
994     }
995    
996     }
997     else
998     {
999     break;
1000     }
1001    
1002    
1003     prev = iorq;
1004     if (iorq)
1005     iorq = iorq->next;
1006    
1007     }
1008    
1009 jsorg71 1364 rdpdr_abort_io(g_min_timeout_fd, 0, RD_STATUS_TIMEOUT);
1010 n-ki 569 return;
1011     }
1012    
1013 n-ki 593 iorq = g_iorequest;
1014 n-ki 592 prev = NULL;
1015     while (iorq != NULL)
1016 n-ki 569 {
1017     if (iorq->fd != 0)
1018     {
1019     switch (iorq->major)
1020     {
1021     case IRP_MJ_READ:
1022     if (FD_ISSET(iorq->fd, rfds))
1023     {
1024 n-ki 592 /* Read the data */
1025 n-ki 569 fns = iorq->fns;
1026 n-ki 593
1027 n-ki 595 req_size =
1028     (iorq->length - iorq->partial_len) >
1029     8192 ? 8192 : (iorq->length -
1030     iorq->partial_len);
1031 n-ki 593 /* never read larger chunks than 8k - chances are that it will block */
1032 n-ki 592 status = fns->read(iorq->fd,
1033     iorq->buffer + iorq->partial_len,
1034 n-ki 613 req_size, iorq->offset, &result);
1035 n-ki 595
1036 stargo 795 if ((long) result > 0)
1037 n-ki 627 {
1038     iorq->partial_len += result;
1039     iorq->offset += result;
1040     }
1041 n-ki 569 #if WITH_DEBUG_RDP5
1042     DEBUG(("RDPDR: %d bytes of data read\n", result));
1043     #endif
1044 n-ki 592 /* only delete link if all data has been transfered */
1045 n-ki 595 /* or if result was 0 and status success - EOF */
1046     if ((iorq->partial_len == iorq->length) ||
1047 stargo 795 (result == 0))
1048 n-ki 592 {
1049 n-ki 595 #if WITH_DEBUG_RDP5
1050     DEBUG(("RDPDR: AIO total %u bytes read of %u\n", iorq->partial_len, iorq->length));
1051     #endif
1052 n-ki 592 rdpdr_send_completion(iorq->device,
1053     iorq->id, status,
1054 n-ki 595 iorq->partial_len,
1055     iorq->buffer,
1056     iorq->partial_len);
1057 n-ki 627 iorq = rdpdr_remove_iorequest(prev, iorq);
1058 n-ki 592 }
1059 n-ki 569 }
1060     break;
1061     case IRP_MJ_WRITE:
1062     if (FD_ISSET(iorq->fd, wfds))
1063     {
1064 n-ki 592 /* Write data. */
1065 n-ki 569 fns = iorq->fns;
1066 n-ki 593
1067 n-ki 595 req_size =
1068     (iorq->length - iorq->partial_len) >
1069     8192 ? 8192 : (iorq->length -
1070     iorq->partial_len);
1071    
1072 n-ki 593 /* never write larger chunks than 8k - chances are that it will block */
1073 n-ki 592 status = fns->write(iorq->fd,
1074     iorq->buffer +
1075 n-ki 613 iorq->partial_len, req_size,
1076     iorq->offset, &result);
1077 n-ki 627
1078 stargo 795 if ((long) result > 0)
1079 n-ki 627 {
1080     iorq->partial_len += result;
1081     iorq->offset += result;
1082     }
1083    
1084 n-ki 592 #if WITH_DEBUG_RDP5
1085     DEBUG(("RDPDR: %d bytes of data written\n",
1086     result));
1087     #endif
1088     /* only delete link if all data has been transfered */
1089 n-ki 595 /* or we couldn't write */
1090     if ((iorq->partial_len == iorq->length)
1091     || (result == 0))
1092 n-ki 592 {
1093 n-ki 595 #if WITH_DEBUG_RDP5
1094     DEBUG(("RDPDR: AIO total %u bytes written of %u\n", iorq->partial_len, iorq->length));
1095     #endif
1096 n-ki 592 rdpdr_send_completion(iorq->device,
1097     iorq->id, status,
1098 astrand 608 iorq->partial_len,
1099     (uint8 *) "", 1);
1100 n-ki 569
1101 n-ki 627 iorq = rdpdr_remove_iorequest(prev, iorq);
1102 n-ki 592 }
1103 n-ki 569 }
1104     break;
1105 stargo 795 case IRP_MJ_DEVICE_CONTROL:
1106     if (serial_get_event(iorq->fd, &result))
1107     {
1108     buffer = (uint8 *) xrealloc((void *) buffer, 0x14);
1109     out.data = out.p = buffer;
1110     out.size = sizeof(buffer);
1111     out_uint32_le(&out, result);
1112     result = buffer_len = out.p - out.data;
1113 jsorg71 1364 status = RD_STATUS_SUCCESS;
1114 stargo 795 rdpdr_send_completion(iorq->device, iorq->id,
1115     status, result, buffer,
1116     buffer_len);
1117     xfree(buffer);
1118     iorq = rdpdr_remove_iorequest(prev, iorq);
1119     }
1120    
1121     break;
1122 n-ki 569 }
1123 n-ki 592
1124 n-ki 569 }
1125 n-ki 592 prev = iorq;
1126 n-ki 614 if (iorq)
1127     iorq = iorq->next;
1128 n-ki 569 }
1129 n-ki 592
1130 stargo 795 /* Check notify */
1131     iorq = g_iorequest;
1132     prev = NULL;
1133     while (iorq != NULL)
1134     {
1135     if (iorq->fd != 0)
1136     {
1137     switch (iorq->major)
1138     {
1139    
1140     case IRP_MJ_DIRECTORY_CONTROL:
1141     if (g_rdpdr_device[iorq->device].device_type ==
1142     DEVICE_TYPE_DISK)
1143     {
1144    
1145     if (g_notify_stamp)
1146     {
1147     g_notify_stamp = False;
1148     status = disk_check_notify(iorq->fd);
1149 jsorg71 1364 if (status != RD_STATUS_PENDING)
1150 stargo 795 {
1151     rdpdr_send_completion(iorq->device,
1152     iorq->id,
1153     status, 0,
1154     NULL, 0);
1155     iorq = rdpdr_remove_iorequest(prev,
1156     iorq);
1157     }
1158     }
1159     }
1160     break;
1161    
1162    
1163    
1164     }
1165     }
1166    
1167     prev = iorq;
1168     if (iorq)
1169     iorq = iorq->next;
1170     }
1171    
1172 n-ki 569 }
1173    
1174 stargo 795 void
1175 jsorg71 1372 rdpdr_check_fds(fd_set * rfds, fd_set * wfds, RD_BOOL timed_out)
1176 stargo 795 {
1177     fd_set dummy;
1178    
1179    
1180     FD_ZERO(&dummy);
1181    
1182    
1183     /* fist check event queue only,
1184     any serial wait event must be done before read block will be sent
1185     */
1186    
1187     _rdpdr_check_fds(&dummy, &dummy, False);
1188     _rdpdr_check_fds(rfds, wfds, timed_out);
1189     }
1190    
1191    
1192 n-ki 569 /* Abort a pending io request for a given handle and major */
1193 jsorg71 1372 RD_BOOL
1194 jsorg71 1364 rdpdr_abort_io(uint32 fd, uint32 major, RD_NTSTATUS status)
1195 n-ki 569 {
1196     uint32 result;
1197     struct async_iorequest *iorq;
1198 n-ki 592 struct async_iorequest *prev;
1199 n-ki 569
1200 stargo 602 iorq = g_iorequest;
1201 n-ki 592 prev = NULL;
1202     while (iorq != NULL)
1203 n-ki 569 {
1204 stargo 865 /* Only remove from table when major is not set, or when correct major is supplied.
1205     Abort read should not abort a write io request. */
1206 n-ki 569 if ((iorq->fd == fd) && (major == 0 || iorq->major == major))
1207     {
1208     result = 0;
1209 astrand 608 rdpdr_send_completion(iorq->device, iorq->id, status, result, (uint8 *) "",
1210     1);
1211 n-ki 627
1212     iorq = rdpdr_remove_iorequest(prev, iorq);
1213 n-ki 569 return True;
1214     }
1215 n-ki 592
1216     prev = iorq;
1217     iorq = iorq->next;
1218 n-ki 569 }
1219 n-ki 592
1220 n-ki 569 return False;
1221     }
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