1 |
/* -*- c-basic-offset: 8 -*- |
2 |
rdesktop: A Remote Desktop Protocol client. |
3 |
Disk Redirection |
4 |
Copyright (C) Jeroen Meijer 2003 |
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 |
#include "disk.h" |
22 |
|
23 |
#include <sys/types.h> |
24 |
#include <sys/stat.h> |
25 |
#include <unistd.h> |
26 |
#include <fcntl.h> /* open, close */ |
27 |
#include <dirent.h> /* opendir, closedir, readdir */ |
28 |
#include <fnmatch.h> |
29 |
#include <errno.h> /* errno */ |
30 |
|
31 |
#include <utime.h> |
32 |
#include <time.h> /* ctime */ |
33 |
|
34 |
#if defined(HAVE_DIRFD) |
35 |
#define DIRFD(a) (dirfd(a)) |
36 |
#else |
37 |
#define DIRFD(a) ((a)->DIR_FD_MEMBER_NAME) |
38 |
#endif |
39 |
|
40 |
/* TODO: let autoconf figure out everything below... */ |
41 |
#if (defined(sun) && (defined(__svr4__) || defined(__SVR4))) |
42 |
#define SOLARIS |
43 |
#endif |
44 |
|
45 |
#if (defined(SOLARIS) || defined (__hpux) || defined(__BEOS__)) |
46 |
#include <sys/statvfs.h> /* solaris statvfs */ |
47 |
/* TODO: Fix mntent-handling for solaris/hpux |
48 |
* #include <sys/mntent.h> */ |
49 |
#undef HAVE_MNTENT_H |
50 |
#define MNTENT_PATH "/etc/mnttab" |
51 |
#define STATFS_FN(path, buf) (statvfs(path,buf)) |
52 |
#define STATFS_T statvfs |
53 |
#define F_NAMELEN(buf) ((buf).f_namemax) |
54 |
|
55 |
#elif (defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__)) |
56 |
#include <sys/param.h> |
57 |
#include <sys/mount.h> |
58 |
#define STATFS_FN(path, buf) (statfs(path,buf)) |
59 |
#define STATFS_T statfs |
60 |
#define F_NAMELEN(buf) (NAME_MAX) |
61 |
|
62 |
#elif (defined(__SGI_IRIX__)) |
63 |
#include <sys/types.h> |
64 |
#include <sys/statvfs.h> |
65 |
#define STATFS_FN(path, buf) (statvfs(path,buf)) |
66 |
#define STATFS_T statvfs |
67 |
#define F_NAMELEN(buf) ((buf).f_namemax) |
68 |
|
69 |
#else |
70 |
#include <sys/vfs.h> /* linux statfs */ |
71 |
#include <mntent.h> |
72 |
#define HAVE_MNTENT_H |
73 |
#define MNTENT_PATH "/etc/mtab" |
74 |
#define STATFS_FN(path, buf) (statfs(path,buf)) |
75 |
#define STATFS_T statfs |
76 |
#define F_NAMELEN(buf) ((buf).f_namelen) |
77 |
#endif |
78 |
|
79 |
#include "rdesktop.h" |
80 |
|
81 |
extern RDPDR_DEVICE g_rdpdr_device[]; |
82 |
|
83 |
FILEINFO g_fileinfo[MAX_OPEN_FILES]; |
84 |
|
85 |
typedef struct |
86 |
{ |
87 |
char name[256]; |
88 |
char label[256]; |
89 |
unsigned long serial; |
90 |
char type[256]; |
91 |
} FsInfoType; |
92 |
|
93 |
|
94 |
static time_t |
95 |
get_create_time(struct stat *st) |
96 |
{ |
97 |
time_t ret, ret1; |
98 |
|
99 |
ret = MIN(st->st_ctime, st->st_mtime); |
100 |
ret1 = MIN(ret, st->st_atime); |
101 |
|
102 |
if (ret1 != (time_t) 0) |
103 |
return ret1; |
104 |
|
105 |
return ret; |
106 |
} |
107 |
|
108 |
/* Convert seconds since 1970 to a filetime */ |
109 |
static void |
110 |
seconds_since_1970_to_filetime(time_t seconds, uint32 * high, uint32 * low) |
111 |
{ |
112 |
unsigned long long ticks; |
113 |
|
114 |
ticks = (seconds + 11644473600LL) * 10000000; |
115 |
*low = (uint32) ticks; |
116 |
*high = (uint32) (ticks >> 32); |
117 |
} |
118 |
|
119 |
/* Convert seconds since 1970 back to filetime */ |
120 |
static time_t |
121 |
convert_1970_to_filetime(uint32 high, uint32 low) |
122 |
{ |
123 |
unsigned long long ticks; |
124 |
time_t val; |
125 |
|
126 |
ticks = low + (((unsigned long long) high) << 32); |
127 |
ticks /= 10000000; |
128 |
ticks -= 11644473600LL; |
129 |
|
130 |
val = (time_t) ticks; |
131 |
return (val); |
132 |
|
133 |
} |
134 |
|
135 |
|
136 |
/* Enumeration of devices from rdesktop.c */ |
137 |
/* returns numer of units found and initialized. */ |
138 |
/* optarg looks like ':h=/mnt/floppy,b=/mnt/usbdevice1' */ |
139 |
/* when it arrives to this function. */ |
140 |
int |
141 |
disk_enum_devices(uint32 * id, char *optarg) |
142 |
{ |
143 |
char *pos = optarg; |
144 |
char *pos2; |
145 |
int count = 0; |
146 |
|
147 |
// skip the first colon |
148 |
optarg++; |
149 |
while ((pos = next_arg(optarg, ',')) && *id < RDPDR_MAX_DEVICES) |
150 |
{ |
151 |
pos2 = next_arg(optarg, '='); |
152 |
|
153 |
strncpy(g_rdpdr_device[*id].name, optarg, sizeof(g_rdpdr_device[*id].name)); |
154 |
if (strlen(optarg) > 8) |
155 |
fprintf(stderr, "share name %s truncated to %s\n", optarg, |
156 |
g_rdpdr_device[*id].name); |
157 |
|
158 |
g_rdpdr_device[*id].local_path = xmalloc(strlen(pos2) + 1); |
159 |
strcpy(g_rdpdr_device[*id].local_path, pos2); |
160 |
g_rdpdr_device[*id].device_type = DEVICE_TYPE_DISK; |
161 |
count++; |
162 |
(*id)++; |
163 |
|
164 |
optarg = pos; |
165 |
} |
166 |
return count; |
167 |
} |
168 |
|
169 |
/* Opens or creates a file or directory */ |
170 |
static NTSTATUS |
171 |
disk_create(uint32 device_id, uint32 accessmask, uint32 sharemode, uint32 create_disposition, |
172 |
uint32 flags_and_attributes, char *filename, HANDLE * phandle) |
173 |
{ |
174 |
HANDLE handle; |
175 |
DIR *dirp; |
176 |
int flags, mode; |
177 |
char path[256]; |
178 |
struct stat filestat; |
179 |
|
180 |
handle = 0; |
181 |
dirp = NULL; |
182 |
flags = 0; |
183 |
mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH; |
184 |
|
185 |
|
186 |
if (filename[strlen(filename) - 1] == '/') |
187 |
filename[strlen(filename) - 1] = 0; |
188 |
sprintf(path, "%s%s", g_rdpdr_device[device_id].local_path, filename); |
189 |
|
190 |
switch (create_disposition) |
191 |
{ |
192 |
case CREATE_ALWAYS: |
193 |
|
194 |
// Delete existing file/link. |
195 |
unlink(path); |
196 |
flags |= O_CREAT; |
197 |
break; |
198 |
|
199 |
case CREATE_NEW: |
200 |
|
201 |
// If the file already exists, then fail. |
202 |
flags |= O_CREAT | O_EXCL; |
203 |
break; |
204 |
|
205 |
case OPEN_ALWAYS: |
206 |
|
207 |
// Create if not already exists. |
208 |
flags |= O_CREAT; |
209 |
break; |
210 |
|
211 |
case OPEN_EXISTING: |
212 |
|
213 |
// Default behaviour |
214 |
break; |
215 |
|
216 |
case TRUNCATE_EXISTING: |
217 |
|
218 |
// If the file does not exist, then fail. |
219 |
flags |= O_TRUNC; |
220 |
break; |
221 |
} |
222 |
|
223 |
//printf("Open: \"%s\" flags: %u, accessmask: %u sharemode: %u create disp: %u\n", path, flags_and_attributes, accessmask, sharemode, create_disposition); |
224 |
|
225 |
// Get information about file and set that flag ourselfs |
226 |
if ((stat(path, &filestat) == 0) && (S_ISDIR(filestat.st_mode))) |
227 |
{ |
228 |
if (flags_and_attributes & FILE_NON_DIRECTORY_FILE) |
229 |
return STATUS_FILE_IS_A_DIRECTORY; |
230 |
else |
231 |
flags_and_attributes |= FILE_DIRECTORY_FILE; |
232 |
} |
233 |
|
234 |
if (flags_and_attributes & FILE_DIRECTORY_FILE) |
235 |
{ |
236 |
if (flags & O_CREAT) |
237 |
{ |
238 |
mkdir(path, mode); |
239 |
} |
240 |
|
241 |
dirp = opendir(path); |
242 |
if (!dirp) |
243 |
{ |
244 |
switch (errno) |
245 |
{ |
246 |
case EACCES: |
247 |
|
248 |
return STATUS_ACCESS_DENIED; |
249 |
|
250 |
case ENOENT: |
251 |
|
252 |
return STATUS_NO_SUCH_FILE; |
253 |
|
254 |
default: |
255 |
|
256 |
perror("opendir"); |
257 |
return STATUS_NO_SUCH_FILE; |
258 |
} |
259 |
} |
260 |
handle = DIRFD(dirp); |
261 |
} |
262 |
else |
263 |
{ |
264 |
|
265 |
if (accessmask & GENERIC_ALL |
266 |
|| (accessmask & GENERIC_READ && accessmask & GENERIC_WRITE)) |
267 |
{ |
268 |
flags |= O_RDWR; |
269 |
} |
270 |
else if ((accessmask & GENERIC_WRITE) && !(accessmask & GENERIC_READ)) |
271 |
{ |
272 |
flags |= O_WRONLY; |
273 |
} |
274 |
else |
275 |
{ |
276 |
flags |= O_RDONLY; |
277 |
} |
278 |
|
279 |
handle = open(path, flags, mode); |
280 |
if (handle == -1) |
281 |
{ |
282 |
switch (errno) |
283 |
{ |
284 |
case EISDIR: |
285 |
|
286 |
return STATUS_FILE_IS_A_DIRECTORY; |
287 |
|
288 |
case EACCES: |
289 |
|
290 |
return STATUS_ACCESS_DENIED; |
291 |
|
292 |
case ENOENT: |
293 |
|
294 |
return STATUS_NO_SUCH_FILE; |
295 |
case EEXIST: |
296 |
|
297 |
return STATUS_OBJECT_NAME_COLLISION; |
298 |
default: |
299 |
|
300 |
perror("open"); |
301 |
return STATUS_NO_SUCH_FILE; |
302 |
} |
303 |
} |
304 |
|
305 |
/* all read and writes of files should be non blocking */ |
306 |
if (fcntl(handle, F_SETFL, O_NONBLOCK) == -1) |
307 |
perror("fcntl"); |
308 |
} |
309 |
|
310 |
if (handle >= MAX_OPEN_FILES) |
311 |
{ |
312 |
error("Maximum number of open files (%s) reached. Increase MAX_OPEN_FILES!\n", |
313 |
handle); |
314 |
exit(1); |
315 |
} |
316 |
|
317 |
if (dirp) |
318 |
g_fileinfo[handle].pdir = dirp; |
319 |
g_fileinfo[handle].device_id = device_id; |
320 |
g_fileinfo[handle].flags_and_attributes = flags_and_attributes; |
321 |
strncpy(g_fileinfo[handle].path, path, 255); |
322 |
|
323 |
*phandle = handle; |
324 |
return STATUS_SUCCESS; |
325 |
} |
326 |
|
327 |
static NTSTATUS |
328 |
disk_close(HANDLE handle) |
329 |
{ |
330 |
struct fileinfo *pfinfo; |
331 |
|
332 |
pfinfo = &(g_fileinfo[handle]); |
333 |
|
334 |
if (pfinfo->flags_and_attributes & FILE_DIRECTORY_FILE) |
335 |
{ |
336 |
closedir(pfinfo->pdir); |
337 |
//FIXME: Should check exit code |
338 |
} |
339 |
else |
340 |
{ |
341 |
close(handle); |
342 |
} |
343 |
|
344 |
return STATUS_SUCCESS; |
345 |
} |
346 |
|
347 |
static NTSTATUS |
348 |
disk_read(HANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result) |
349 |
{ |
350 |
int n; |
351 |
|
352 |
#if 0 |
353 |
/* browsing dir ???? */ |
354 |
/* each request is 24 bytes */ |
355 |
if (g_fileinfo[handle].flags_and_attributes & FILE_DIRECTORY_FILE) |
356 |
{ |
357 |
*result = 0; |
358 |
return STATUS_SUCCESS; |
359 |
} |
360 |
#endif |
361 |
|
362 |
lseek(handle, offset, SEEK_SET); |
363 |
|
364 |
n = read(handle, data, length); |
365 |
|
366 |
if (n < 0) |
367 |
{ |
368 |
*result = 0; |
369 |
switch (errno) |
370 |
{ |
371 |
case EISDIR: |
372 |
return STATUS_FILE_IS_A_DIRECTORY; |
373 |
default: |
374 |
perror("read"); |
375 |
return STATUS_INVALID_PARAMETER; |
376 |
} |
377 |
} |
378 |
|
379 |
*result = n; |
380 |
|
381 |
return STATUS_SUCCESS; |
382 |
} |
383 |
|
384 |
static NTSTATUS |
385 |
disk_write(HANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result) |
386 |
{ |
387 |
int n; |
388 |
|
389 |
lseek(handle, offset, SEEK_SET); |
390 |
|
391 |
n = write(handle, data, length); |
392 |
|
393 |
if (n < 0) |
394 |
{ |
395 |
perror("write"); |
396 |
*result = 0; |
397 |
switch (errno) |
398 |
{ |
399 |
case ENOSPC: |
400 |
return STATUS_DISK_FULL; |
401 |
default: |
402 |
return STATUS_ACCESS_DENIED; |
403 |
} |
404 |
} |
405 |
|
406 |
*result = n; |
407 |
|
408 |
return STATUS_SUCCESS; |
409 |
} |
410 |
|
411 |
NTSTATUS |
412 |
disk_query_information(HANDLE handle, uint32 info_class, STREAM out) |
413 |
{ |
414 |
uint32 file_attributes, ft_high, ft_low; |
415 |
struct stat filestat; |
416 |
char *path, *filename; |
417 |
|
418 |
path = g_fileinfo[handle].path; |
419 |
|
420 |
// Get information about file |
421 |
if (fstat(handle, &filestat) != 0) |
422 |
{ |
423 |
perror("stat"); |
424 |
out_uint8(out, 0); |
425 |
return STATUS_ACCESS_DENIED; |
426 |
} |
427 |
|
428 |
// Set file attributes |
429 |
file_attributes = 0; |
430 |
if (S_ISDIR(filestat.st_mode)) |
431 |
file_attributes |= FILE_ATTRIBUTE_DIRECTORY; |
432 |
|
433 |
filename = 1 + strrchr(path, '/'); |
434 |
if (filename && filename[0] == '.') |
435 |
file_attributes |= FILE_ATTRIBUTE_HIDDEN; |
436 |
|
437 |
if (!file_attributes) |
438 |
file_attributes |= FILE_ATTRIBUTE_NORMAL; |
439 |
|
440 |
if (!(filestat.st_mode & S_IWUSR)) |
441 |
file_attributes |= FILE_ATTRIBUTE_READONLY; |
442 |
|
443 |
// Return requested data |
444 |
switch (info_class) |
445 |
{ |
446 |
case FileBasicInformation: |
447 |
seconds_since_1970_to_filetime(get_create_time(&filestat), &ft_high, |
448 |
&ft_low); |
449 |
out_uint32_le(out, ft_low); //create_access_time |
450 |
out_uint32_le(out, ft_high); |
451 |
|
452 |
seconds_since_1970_to_filetime(filestat.st_atime, &ft_high, &ft_low); |
453 |
out_uint32_le(out, ft_low); //last_access_time |
454 |
out_uint32_le(out, ft_high); |
455 |
|
456 |
seconds_since_1970_to_filetime(filestat.st_mtime, &ft_high, &ft_low); |
457 |
out_uint32_le(out, ft_low); //last_write_time |
458 |
out_uint32_le(out, ft_high); |
459 |
|
460 |
seconds_since_1970_to_filetime(filestat.st_ctime, &ft_high, &ft_low); |
461 |
out_uint32_le(out, ft_low); //last_change_time |
462 |
out_uint32_le(out, ft_high); |
463 |
|
464 |
out_uint32_le(out, file_attributes); |
465 |
break; |
466 |
|
467 |
case FileStandardInformation: |
468 |
|
469 |
out_uint32_le(out, filestat.st_size); //Allocation size |
470 |
out_uint32_le(out, 0); |
471 |
out_uint32_le(out, filestat.st_size); //End of file |
472 |
out_uint32_le(out, 0); |
473 |
out_uint32_le(out, filestat.st_nlink); //Number of links |
474 |
out_uint8(out, 0); //Delete pending |
475 |
out_uint8(out, S_ISDIR(filestat.st_mode) ? 1 : 0); //Directory |
476 |
break; |
477 |
|
478 |
case FileObjectIdInformation: |
479 |
|
480 |
out_uint32_le(out, file_attributes); /* File Attributes */ |
481 |
out_uint32_le(out, 0); /* Reparse Tag */ |
482 |
break; |
483 |
|
484 |
default: |
485 |
|
486 |
unimpl("IRP Query (File) Information class: 0x%x\n", info_class); |
487 |
return STATUS_INVALID_PARAMETER; |
488 |
} |
489 |
return STATUS_SUCCESS; |
490 |
} |
491 |
|
492 |
NTSTATUS |
493 |
disk_set_information(HANDLE handle, uint32 info_class, STREAM in, STREAM out) |
494 |
{ |
495 |
uint32 device_id, length, file_attributes, ft_high, ft_low; |
496 |
char newname[256], fullpath[256]; |
497 |
struct fileinfo *pfinfo; |
498 |
|
499 |
int mode; |
500 |
struct stat filestat; |
501 |
time_t write_time, change_time, access_time, mod_time; |
502 |
struct utimbuf tvs; |
503 |
struct STATFS_T stat_fs; |
504 |
|
505 |
pfinfo = &(g_fileinfo[handle]); |
506 |
|
507 |
switch (info_class) |
508 |
{ |
509 |
case FileBasicInformation: |
510 |
write_time = change_time = access_time = 0; |
511 |
|
512 |
in_uint8s(in, 4); /* Handle of root dir? */ |
513 |
in_uint8s(in, 24); /* unknown */ |
514 |
|
515 |
// CreationTime |
516 |
in_uint32_le(in, ft_low); |
517 |
in_uint32_le(in, ft_high); |
518 |
|
519 |
// AccessTime |
520 |
in_uint32_le(in, ft_low); |
521 |
in_uint32_le(in, ft_high); |
522 |
if (ft_low || ft_high) |
523 |
access_time = convert_1970_to_filetime(ft_high, ft_low); |
524 |
|
525 |
// WriteTime |
526 |
in_uint32_le(in, ft_low); |
527 |
in_uint32_le(in, ft_high); |
528 |
if (ft_low || ft_high) |
529 |
write_time = convert_1970_to_filetime(ft_high, ft_low); |
530 |
|
531 |
// ChangeTime |
532 |
in_uint32_le(in, ft_low); |
533 |
in_uint32_le(in, ft_high); |
534 |
if (ft_low || ft_high) |
535 |
change_time = convert_1970_to_filetime(ft_high, ft_low); |
536 |
|
537 |
in_uint32_le(in, file_attributes); |
538 |
|
539 |
if (fstat(handle, &filestat)) |
540 |
return STATUS_ACCESS_DENIED; |
541 |
|
542 |
tvs.modtime = filestat.st_mtime; |
543 |
tvs.actime = filestat.st_atime; |
544 |
if (access_time) |
545 |
tvs.actime = access_time; |
546 |
|
547 |
|
548 |
if (write_time || change_time) |
549 |
mod_time = MIN(write_time, change_time); |
550 |
else |
551 |
mod_time = write_time ? write_time : change_time; |
552 |
|
553 |
if (mod_time) |
554 |
tvs.modtime = mod_time; |
555 |
|
556 |
|
557 |
if (access_time || write_time || change_time) |
558 |
{ |
559 |
#if WITH_DEBUG_RDP5 |
560 |
printf("FileBasicInformation access time %s", |
561 |
ctime(&tvs.actime)); |
562 |
printf("FileBasicInformation modification time %s", |
563 |
ctime(&tvs.modtime)); |
564 |
#endif |
565 |
if (utime(pfinfo->path, &tvs)) |
566 |
return STATUS_ACCESS_DENIED; |
567 |
} |
568 |
|
569 |
if (!file_attributes) |
570 |
break; // not valid |
571 |
|
572 |
mode = filestat.st_mode; |
573 |
|
574 |
if (file_attributes & FILE_ATTRIBUTE_READONLY) |
575 |
mode &= ~(S_IWUSR | S_IWGRP | S_IWOTH); |
576 |
else |
577 |
mode |= S_IWUSR; |
578 |
|
579 |
mode &= 0777; |
580 |
#if WITH_DEBUG_RDP5 |
581 |
printf("FileBasicInformation set access mode 0%o", mode); |
582 |
#endif |
583 |
|
584 |
if (fchmod(handle, mode)) |
585 |
return STATUS_ACCESS_DENIED; |
586 |
|
587 |
break; |
588 |
|
589 |
case FileRenameInformation: |
590 |
|
591 |
in_uint8s(in, 4); /* Handle of root dir? */ |
592 |
in_uint8s(in, 0x1a); /* unknown */ |
593 |
in_uint32_le(in, length); |
594 |
|
595 |
if (length && (length / 2) < 256) |
596 |
{ |
597 |
rdp_in_unistr(in, newname, length); |
598 |
convert_to_unix_filename(newname); |
599 |
} |
600 |
else |
601 |
{ |
602 |
return STATUS_INVALID_PARAMETER; |
603 |
} |
604 |
|
605 |
sprintf(fullpath, "%s%s", g_rdpdr_device[pfinfo->device_id].local_path, |
606 |
newname); |
607 |
|
608 |
if (rename(pfinfo->path, fullpath) != 0) |
609 |
{ |
610 |
perror("rename"); |
611 |
return STATUS_ACCESS_DENIED; |
612 |
} |
613 |
break; |
614 |
|
615 |
case FileDispositionInformation: |
616 |
/* As far as I understand it, the correct |
617 |
thing to do here is to *schedule* a delete, |
618 |
so it will be deleted when the file is |
619 |
closed. Subsequent |
620 |
FileDispositionInformation requests with |
621 |
DeleteFile set to FALSE should unschedule |
622 |
the delete. See |
623 |
http://www.osronline.com/article.cfm?article=245. Currently, |
624 |
we are deleting the file immediately. I |
625 |
guess this is a FIXME. */ |
626 |
|
627 |
//in_uint32_le(in, delete_on_close); |
628 |
|
629 |
/* Make sure we close the file before |
630 |
unlinking it. Not doing so would trigger |
631 |
silly-delete if using NFS, which might fail |
632 |
on FAT floppies, for example. */ |
633 |
disk_close(handle); |
634 |
|
635 |
if ((pfinfo->flags_and_attributes & FILE_DIRECTORY_FILE)) // remove a directory |
636 |
{ |
637 |
if (rmdir(pfinfo->path) < 0) |
638 |
return STATUS_ACCESS_DENIED; |
639 |
} |
640 |
else if (unlink(pfinfo->path) < 0) // unlink a file |
641 |
return STATUS_ACCESS_DENIED; |
642 |
|
643 |
break; |
644 |
|
645 |
case FileAllocationInformation: |
646 |
/* Fall through to FileEndOfFileInformation, |
647 |
which uses ftrunc. This is like Samba with |
648 |
"strict allocation = false", and means that |
649 |
we won't detect out-of-quota errors, for |
650 |
example. */ |
651 |
|
652 |
case FileEndOfFileInformation: |
653 |
in_uint8s(in, 28); /* unknown */ |
654 |
in_uint32_le(in, length); /* file size */ |
655 |
|
656 |
/* prevents start of writing if not enough space left on device */ |
657 |
if (STATFS_FN(g_rdpdr_device[pfinfo->device_id].local_path, &stat_fs) == 0) |
658 |
if (stat_fs.f_bsize * stat_fs.f_bfree < length) |
659 |
return STATUS_DISK_FULL; |
660 |
|
661 |
/* FIXME: Growing file with ftruncate doesn't |
662 |
work with Linux FAT fs */ |
663 |
if (ftruncate(handle, length) != 0) |
664 |
{ |
665 |
perror("ftruncate"); |
666 |
return STATUS_DISK_FULL; |
667 |
} |
668 |
|
669 |
break; |
670 |
default: |
671 |
|
672 |
unimpl("IRP Set File Information class: 0x%x\n", info_class); |
673 |
return STATUS_INVALID_PARAMETER; |
674 |
} |
675 |
return STATUS_SUCCESS; |
676 |
} |
677 |
|
678 |
static FsInfoType * |
679 |
FsVolumeInfo(char *fpath) |
680 |
{ |
681 |
|
682 |
#ifdef HAVE_MNTENT_H |
683 |
FILE *fdfs; |
684 |
struct mntent *e; |
685 |
static FsInfoType info; |
686 |
|
687 |
/* initialize */ |
688 |
memset(&info, 0, sizeof(info)); |
689 |
strcpy(info.label, "RDESKTOP"); |
690 |
strcpy(info.type, "RDPFS"); |
691 |
|
692 |
fdfs = setmntent(MNTENT_PATH, "r"); |
693 |
if (!fdfs) |
694 |
return &info; |
695 |
|
696 |
while ((e = getmntent(fdfs))) |
697 |
{ |
698 |
if (strncmp(fpath, e->mnt_dir, strlen(fpath)) == 0) |
699 |
{ |
700 |
strcpy(info.type, e->mnt_type); |
701 |
strcpy(info.name, e->mnt_fsname); |
702 |
if (strstr(e->mnt_opts, "vfat") || strstr(e->mnt_opts, "iso9660")) |
703 |
{ |
704 |
int fd = open(e->mnt_fsname, O_RDONLY); |
705 |
if (fd >= 0) |
706 |
{ |
707 |
unsigned char buf[512]; |
708 |
memset(buf, 0, sizeof(buf)); |
709 |
if (strstr(e->mnt_opts, "vfat")) |
710 |
/*FAT*/ |
711 |
{ |
712 |
strcpy(info.type, "vfat"); |
713 |
read(fd, buf, sizeof(buf)); |
714 |
info.serial = |
715 |
(buf[42] << 24) + (buf[41] << 16) + |
716 |
(buf[40] << 8) + buf[39]; |
717 |
strncpy(info.label, buf + 43, 10); |
718 |
info.label[10] = '\0'; |
719 |
} |
720 |
else if (lseek(fd, 32767, SEEK_SET) >= 0) /* ISO9660 */ |
721 |
{ |
722 |
read(fd, buf, sizeof(buf)); |
723 |
strncpy(info.label, buf + 41, 32); |
724 |
info.label[32] = '\0'; |
725 |
//info.Serial = (buf[128]<<24)+(buf[127]<<16)+(buf[126]<<8)+buf[125]; |
726 |
} |
727 |
close(fd); |
728 |
} |
729 |
} |
730 |
} |
731 |
} |
732 |
endmntent(fdfs); |
733 |
#else |
734 |
static FsInfoType info; |
735 |
|
736 |
/* initialize */ |
737 |
memset(&info, 0, sizeof(info)); |
738 |
strcpy(info.label, "RDESKTOP"); |
739 |
strcpy(info.type, "RDPFS"); |
740 |
|
741 |
#endif |
742 |
return &info; |
743 |
} |
744 |
|
745 |
|
746 |
NTSTATUS |
747 |
disk_query_volume_information(HANDLE handle, uint32 info_class, STREAM out) |
748 |
{ |
749 |
struct STATFS_T stat_fs; |
750 |
struct fileinfo *pfinfo; |
751 |
FsInfoType *fsinfo; |
752 |
|
753 |
pfinfo = &(g_fileinfo[handle]); |
754 |
|
755 |
if (STATFS_FN(pfinfo->path, &stat_fs) != 0) |
756 |
{ |
757 |
perror("statfs"); |
758 |
return STATUS_ACCESS_DENIED; |
759 |
} |
760 |
|
761 |
fsinfo = FsVolumeInfo(pfinfo->path); |
762 |
|
763 |
switch (info_class) |
764 |
{ |
765 |
case FileFsVolumeInformation: |
766 |
|
767 |
out_uint32_le(out, 0); /* volume creation time low */ |
768 |
out_uint32_le(out, 0); /* volume creation time high */ |
769 |
out_uint32_le(out, fsinfo->serial); /* serial */ |
770 |
|
771 |
out_uint32_le(out, 2 * strlen(fsinfo->label)); /* length of string */ |
772 |
|
773 |
out_uint8(out, 0); /* support objects? */ |
774 |
rdp_out_unistr(out, fsinfo->label, 2 * strlen(fsinfo->label) - 2); |
775 |
break; |
776 |
|
777 |
case FileFsSizeInformation: |
778 |
|
779 |
out_uint32_le(out, stat_fs.f_blocks); /* Total allocation units low */ |
780 |
out_uint32_le(out, 0); /* Total allocation high units */ |
781 |
out_uint32_le(out, stat_fs.f_bfree); /* Available allocation units */ |
782 |
out_uint32_le(out, 0); /* Available allowcation units */ |
783 |
out_uint32_le(out, stat_fs.f_bsize / 0x200); /* Sectors per allocation unit */ |
784 |
out_uint32_le(out, 0x200); /* Bytes per sector */ |
785 |
break; |
786 |
|
787 |
case FileFsAttributeInformation: |
788 |
|
789 |
out_uint32_le(out, FS_CASE_SENSITIVE | FS_CASE_IS_PRESERVED); /* fs attributes */ |
790 |
out_uint32_le(out, F_NAMELEN(stat_fs)); /* max length of filename */ |
791 |
|
792 |
out_uint32_le(out, 2 * strlen(fsinfo->type)); /* length of fs_type */ |
793 |
rdp_out_unistr(out, fsinfo->type, 2 * strlen(fsinfo->type) - 2); |
794 |
break; |
795 |
|
796 |
case FileFsLabelInformation: |
797 |
case FileFsDeviceInformation: |
798 |
case FileFsControlInformation: |
799 |
case FileFsFullSizeInformation: |
800 |
case FileFsObjectIdInformation: |
801 |
case FileFsMaximumInformation: |
802 |
|
803 |
default: |
804 |
|
805 |
unimpl("IRP Query Volume Information class: 0x%x\n", info_class); |
806 |
return STATUS_INVALID_PARAMETER; |
807 |
} |
808 |
return STATUS_SUCCESS; |
809 |
} |
810 |
|
811 |
NTSTATUS |
812 |
disk_query_directory(HANDLE handle, uint32 info_class, char *pattern, STREAM out) |
813 |
{ |
814 |
uint32 file_attributes, ft_low, ft_high; |
815 |
char *dirname, fullpath[256]; |
816 |
DIR *pdir; |
817 |
struct dirent *pdirent; |
818 |
struct stat fstat; |
819 |
struct fileinfo *pfinfo; |
820 |
|
821 |
pfinfo = &(g_fileinfo[handle]); |
822 |
pdir = pfinfo->pdir; |
823 |
dirname = pfinfo->path; |
824 |
file_attributes = 0; |
825 |
|
826 |
switch (info_class) |
827 |
{ |
828 |
case FileBothDirectoryInformation: |
829 |
|
830 |
// If a search pattern is received, remember this pattern, and restart search |
831 |
if (pattern[0] != 0) |
832 |
{ |
833 |
strncpy(pfinfo->pattern, 1 + strrchr(pattern, '/'), 64); |
834 |
rewinddir(pdir); |
835 |
} |
836 |
|
837 |
// find next dirent matching pattern |
838 |
pdirent = readdir(pdir); |
839 |
while (pdirent && fnmatch(pfinfo->pattern, pdirent->d_name, 0) != 0) |
840 |
pdirent = readdir(pdir); |
841 |
|
842 |
if (pdirent == NULL) |
843 |
return STATUS_NO_MORE_FILES; |
844 |
|
845 |
// Get information for directory entry |
846 |
sprintf(fullpath, "%s/%s", dirname, pdirent->d_name); |
847 |
|
848 |
if (stat(fullpath, &fstat)) |
849 |
{ |
850 |
switch (errno) |
851 |
{ |
852 |
case ENOENT: |
853 |
case ELOOP: |
854 |
case EACCES: |
855 |
/* These are non-fatal errors. */ |
856 |
memset(&fstat, 0, sizeof(fstat)); |
857 |
break; |
858 |
default: |
859 |
/* Fatal error. By returning STATUS_NO_SUCH_FILE, |
860 |
the directory list operation will be aborted */ |
861 |
perror(fullpath); |
862 |
out_uint8(out, 0); |
863 |
return STATUS_NO_SUCH_FILE; |
864 |
} |
865 |
} |
866 |
|
867 |
if (S_ISDIR(fstat.st_mode)) |
868 |
file_attributes |= FILE_ATTRIBUTE_DIRECTORY; |
869 |
if (pdirent->d_name[0] == '.') |
870 |
file_attributes |= FILE_ATTRIBUTE_HIDDEN; |
871 |
if (!file_attributes) |
872 |
file_attributes |= FILE_ATTRIBUTE_NORMAL; |
873 |
if (!(fstat.st_mode & S_IWUSR)) |
874 |
file_attributes |= FILE_ATTRIBUTE_READONLY; |
875 |
|
876 |
// Return requested information |
877 |
out_uint8s(out, 8); //unknown zero |
878 |
|
879 |
seconds_since_1970_to_filetime(get_create_time(&fstat), &ft_high, &ft_low); |
880 |
out_uint32_le(out, ft_low); // create time |
881 |
out_uint32_le(out, ft_high); |
882 |
|
883 |
seconds_since_1970_to_filetime(fstat.st_atime, &ft_high, &ft_low); |
884 |
out_uint32_le(out, ft_low); //last_access_time |
885 |
out_uint32_le(out, ft_high); |
886 |
|
887 |
seconds_since_1970_to_filetime(fstat.st_mtime, &ft_high, &ft_low); |
888 |
out_uint32_le(out, ft_low); //last_write_time |
889 |
out_uint32_le(out, ft_high); |
890 |
|
891 |
seconds_since_1970_to_filetime(fstat.st_ctime, &ft_high, &ft_low); |
892 |
out_uint32_le(out, ft_low); //change_write_time |
893 |
out_uint32_le(out, ft_high); |
894 |
|
895 |
out_uint32_le(out, fstat.st_size); //filesize low |
896 |
out_uint32_le(out, 0); //filesize high |
897 |
out_uint32_le(out, fstat.st_size); //filesize low |
898 |
out_uint32_le(out, 0); //filesize high |
899 |
out_uint32_le(out, file_attributes); |
900 |
out_uint8(out, 2 * strlen(pdirent->d_name) + 2); //unicode length |
901 |
out_uint8s(out, 7); //pad? |
902 |
out_uint8(out, 0); //8.3 file length |
903 |
out_uint8s(out, 2 * 12); //8.3 unicode length |
904 |
rdp_out_unistr(out, pdirent->d_name, 2 * strlen(pdirent->d_name)); |
905 |
break; |
906 |
|
907 |
default: |
908 |
/* FIXME: Support FileDirectoryInformation, |
909 |
FileFullDirectoryInformation, and |
910 |
FileNamesInformation */ |
911 |
|
912 |
unimpl("IRP Query Directory sub: 0x%x\n", info_class); |
913 |
return STATUS_INVALID_PARAMETER; |
914 |
} |
915 |
|
916 |
return STATUS_SUCCESS; |
917 |
} |
918 |
|
919 |
|
920 |
|
921 |
static NTSTATUS |
922 |
disk_device_control(HANDLE handle, uint32 request, STREAM in, STREAM out) |
923 |
{ |
924 |
uint32 result; |
925 |
|
926 |
if (((request >> 16) != 20) || ((request >> 16) != 9)) |
927 |
return STATUS_INVALID_PARAMETER; |
928 |
|
929 |
/* extract operation */ |
930 |
request >>= 2; |
931 |
request &= 0xfff; |
932 |
|
933 |
printf("DISK IOCTL %d\n", request); |
934 |
|
935 |
switch (request) |
936 |
{ |
937 |
case 25: // ? |
938 |
case 42: // ? |
939 |
default: |
940 |
unimpl("DISK IOCTL %d\n", request); |
941 |
return STATUS_INVALID_PARAMETER; |
942 |
} |
943 |
|
944 |
return STATUS_SUCCESS; |
945 |
} |
946 |
|
947 |
DEVICE_FNS disk_fns = { |
948 |
disk_create, |
949 |
disk_close, |
950 |
disk_read, |
951 |
disk_write, |
952 |
disk_device_control /* device_control */ |
953 |
}; |