disk.c@ 92904

Last change on this file since 92904 was 55123, checked in by vboxsync, 10 years ago
rdesktop 1.8.3 modified for VBox
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1	/* -- c-basic-offset: 8 --
2	rdesktop: A Remote Desktop Protocol client.
3	Disk Redirection
4	Copyright (C) Jeroen Meijer <[email protected]> 2003-2008
5	Copyright 2003-2011 Peter Astrand <[email protected]> for Cendio AB
6
7	This program is free software: you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by
9	the Free Software Foundation, either version 3 of the License, or
10	(at your option) any later version.
11
12	This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.
16
17	You should have received a copy of the GNU General Public License
18	along with this program. If not, see <http://www.gnu.org/licenses/>.
19	*/
20
21	/*
22	* Oracle GPL Disclaimer: For the avoidance of doubt, except that if any license choice
23	* other than GPL or LGPL is available it will apply instead, Oracle elects to use only
24	* the General Public License version 2 (GPLv2) at this time for any software where
25	* a choice of GPL license versions is made available with the language indicating
26	* that GPLv2 or any later version may be used, or where a choice of which version
27	* of the GPL is applied is otherwise unspecified.
28	*/
29
30	#include "disk.h"
31
32	#include <sys/types.h>
33	#include <sys/stat.h>
34	#include <unistd.h>
35	#include <fcntl.h> /* open, close */
36	#include <dirent.h> /* opendir, closedir, readdir */
37	#include <fnmatch.h>
38	#include <errno.h> /* errno */
39	#include <stdio.h>
40
41	#include <utime.h>
42	#include <time.h> /* ctime */
43
44	#if (defined(HAVE_DIRFD) \|\| (HAVE_DECL_DIRFD == 1))
45	#define DIRFD(a) (dirfd(a))
46	#else
47	#define DIRFD(a) ((a)->DIR_FD_MEMBER_NAME)
48	#endif
49
50	/* TODO: Fix mntent-handling for solaris
51	* #include <sys/mntent.h> */
52	#if (defined(HAVE_MNTENT_H) && defined(HAVE_SETMNTENT))
53	#include <mntent.h>
54	#define MNTENT_PATH "/etc/mtab"
55	#define USE_SETMNTENT
56	#endif
57
58	#ifdef HAVE_SYS_VFS_H
59	#include <sys/vfs.h>
60	#endif
61
62	#ifdef HAVE_SYS_STATVFS_H
63	#include <sys/statvfs.h>
64	#endif
65
66	#ifdef HAVE_SYS_STATFS_H
67	#include <sys/statfs.h>
68	#endif
69
70	#ifdef HAVE_SYS_PARAM_H
71	#include <sys/param.h>
72	#endif
73
74	#ifdef HAVE_SYS_MOUNT_H
75	#include <sys/mount.h>
76	#endif
77
78	#include "rdesktop.h"
79
80	#ifdef STAT_STATFS3_OSF1
81	#define STATFS_FN(path, buf) (statfs(path,buf,sizeof(buf)))
82	#define STATFS_T statfs
83	#define USE_STATFS
84	#endif
85
86	#ifdef STAT_STATVFS
87	#define STATFS_FN(path, buf) (statvfs(path,buf))
88	#define STATFS_T statvfs
89	#define USE_STATVFS
90	#endif
91
92	#ifdef STAT_STATVFS64
93	#define STATFS_FN(path, buf) (statvfs64(path,buf))
94	#define STATFS_T statvfs64
95	#define USE_STATVFS
96	#endif
97
98	#if (defined(STAT_STATFS2_FS_DATA) \|\| defined(STAT_STATFS2_BSIZE) \|\| defined(STAT_STATFS2_FSIZE))
99	#define STATFS_FN(path, buf) (statfs(path,buf))
100	#define STATFS_T statfs
101	#define USE_STATFS
102	#endif
103
104	#ifdef STAT_STATFS4
105	#define STATFS_FN(path, buf) (statfs(path,buf,sizeof(buf),0))
106	#define STATFS_T statfs
107	#define USE_STATFS
108	#endif
109
110	#if ((defined(USE_STATFS) && defined(HAVE_STRUCT_STATFS_F_NAMEMAX)) \|\| (defined(USE_STATVFS) && defined(HAVE_STRUCT_STATVFS_F_NAMEMAX)))
111	#define F_NAMELEN(buf) ((buf).f_namemax)
112	#endif
113
114	#if ((defined(USE_STATFS) && defined(HAVE_STRUCT_STATFS_F_NAMELEN)) \|\| (defined(USE_STATVFS) && defined(HAVE_STRUCT_STATVFS_F_NAMELEN)))
115	#define F_NAMELEN(buf) ((buf).f_namelen)
116	#endif
117
118	#ifndef F_NAMELEN
119	#define F_NAMELEN(buf) (255)
120	#endif
121
122	/* Dummy statfs fallback */
123	#ifndef STATFS_T
124	struct dummy_statfs_t
125	{
126	long f_bfree;
127	long f_bsize;
128	long f_bavail;
129	long f_blocks;
130	int f_namelen;
131	int f_namemax;
132	};
133
134	static int
135	dummy_statfs(struct dummy_statfs_t *buf)
136	{
137	buf->f_blocks = 262144;
138	buf->f_bfree = 131072;
139	buf->f_bavail = 131072;
140	buf->f_bsize = 512;
141	buf->f_namelen = 255;
142	buf->f_namemax = 255;
143
144	return 0;
145	}
146
147	#define STATFS_T dummy_statfs_t
148	#define STATFS_FN(path,buf) (dummy_statfs(buf))
149	#endif
150
151	extern RDPDR_DEVICE g_rdpdr_device[];
152
153	FILEINFO g_fileinfo[MAX_OPEN_FILES];
154	RD_BOOL g_notify_stamp = False;
155
156	typedef struct
157	{
158	char name[PATH_MAX];
159	char label[PATH_MAX];
160	unsigned long serial;
161	char type[PATH_MAX];
162	} FsInfoType;
163
164	static RD_NTSTATUS NotifyInfo(RD_NTHANDLE handle, uint32 info_class, NOTIFY * p);
165
166	static time_t
167	get_create_time(struct stat *filestat)
168	{
169	time_t ret, ret1;
170
171	ret = MIN(filestat->st_ctime, filestat->st_mtime);
172	ret1 = MIN(ret, filestat->st_atime);
173
174	if (ret1 != (time_t) 0)
175	return ret1;
176
177	return ret;
178	}
179
180	/* Convert seconds since 1970 to a filetime */
181	static void
182	seconds_since_1970_to_filetime(time_t seconds, uint32 * high, uint32 * low)
183	{
184	unsigned long long ticks;
185
186	ticks = (seconds + 11644473600LL) * 10000000;
187	*low = (uint32) ticks;
188	*high = (uint32) (ticks >> 32);
189	}
190
191	/* Convert seconds since 1970 back to filetime */
192	static time_t
193	convert_1970_to_filetime(uint32 high, uint32 low)
194	{
195	unsigned long long ticks;
196	time_t val;
197
198	ticks = low + (((unsigned long long) high) << 32);
199	ticks /= 10000000;
200	ticks -= 11644473600LL;
201
202	val = (time_t) ticks;
203	return (val);
204
205	}
206
207	/* A wrapper for ftruncate which supports growing files, even if the
208	native ftruncate doesn't. This is needed on Linux FAT filesystems,
209	for example. */
210	static int
211	ftruncate_growable(int fd, off_t length)
212	{
213	int ret;
214	off_t pos;
215	static const char zero = 0;
216
217	/* Try the simple method first */
218	if ((ret = ftruncate(fd, length)) != -1)
219	{
220	return ret;
221	}
222
223	/*
224	* Some kind of error. Perhaps we were trying to grow. Retry
225	* in a safe way.
226	*/
227
228	/* Get current position */
229	if ((pos = lseek(fd, 0, SEEK_CUR)) == -1)
230	{
231	perror("lseek");
232	return -1;
233	}
234
235	/* Seek to new size */
236	if (lseek(fd, length, SEEK_SET) == -1)
237	{
238	perror("lseek");
239	return -1;
240	}
241
242	/* Write a zero */
243	if (write(fd, &zero, 1) == -1)
244	{
245	perror("write");
246	return -1;
247	}
248
249	/* Truncate. This shouldn't fail. */
250	if (ftruncate(fd, length) == -1)
251	{
252	perror("ftruncate");
253	return -1;
254	}
255
256	/* Restore position */
257	if (lseek(fd, pos, SEEK_SET) == -1)
258	{
259	perror("lseek");
260	return -1;
261	}
262
263	return 0;
264	}
265
266	/* Just like open(2), but if a open with O_EXCL fails, retry with
267	GUARDED semantics. This might be necessary because some filesystems
268	(such as NFS filesystems mounted from a unfsd server) doesn't
269	support O_EXCL. GUARDED semantics are subject to race conditions,
270	but we can live with that.
271	*/
272	static int
273	open_weak_exclusive(const char *pathname, int flags, mode_t mode)
274	{
275	int ret;
276	struct stat filestat;
277
278	ret = open(pathname, flags, mode);
279	if (ret != -1 \|\| !(flags & O_EXCL))
280	{
281	/* Success, or not using O_EXCL */
282	return ret;
283	}
284
285	/* An error occured, and we are using O_EXCL. In case the FS
286	doesn't support O_EXCL, some kind of error will be
287	returned. Unfortunately, we don't know which one. Linux
288	2.6.8 seems to return 524, but I cannot find a documented
289	#define for this case. So, we'll return only on errors that
290	we know aren't related to O_EXCL. */
291	switch (errno)
292	{
293	case EACCES:
294	case EEXIST:
295	case EINTR:
296	case EISDIR:
297	case ELOOP:
298	case ENAMETOOLONG:
299	case ENOENT:
300	case ENOTDIR:
301	return ret;
302	}
303
304	/* Retry with GUARDED semantics */
305	if (stat(pathname, &filestat) != -1)
306	{
307	/* File exists */
308	errno = EEXIST;
309	return -1;
310	}
311	else
312	{
313	return open(pathname, flags & ~O_EXCL, mode);
314	}
315	}
316
317	/* Enumeration of devices from rdesktop.c */
318	/* returns numer of units found and initialized. */
319	/* optarg looks like ':h=/mnt/floppy,b=/mnt/usbdevice1' */
320	/* when it arrives to this function. */
321	int
322	disk_enum_devices(uint32 * id, char *optarg)
323	{
324	char *pos = optarg;
325	char *pos2;
326	int count = 0;
327
328	/* skip the first colon */
329	optarg++;
330	while ((pos = next_arg(optarg, ',')) && *id < RDPDR_MAX_DEVICES)
331	{
332	pos2 = next_arg(optarg, '=');
333
334	strncpy(g_rdpdr_device[id].name, optarg, sizeof(g_rdpdr_device[id].name) - 1);
335	if (strlen(optarg) > (sizeof(g_rdpdr_device[*id].name) - 1))
336	fprintf(stderr, "share name %s truncated to %s\n", optarg,
337	g_rdpdr_device[*id].name);
338
339	g_rdpdr_device[id].local_path = (char ) xmalloc(strlen(pos2) + 1);
340	strcpy(g_rdpdr_device[*id].local_path, pos2);
341	g_rdpdr_device[*id].device_type = DEVICE_TYPE_DISK;
342	count++;
343	(*id)++;
344
345	optarg = pos;
346	}
347	return count;
348	}
349
350	/* Opens or creates a file or directory */
351	static RD_NTSTATUS
352	disk_create(uint32 device_id, uint32 accessmask, uint32 sharemode, uint32 create_disposition,
353	uint32 flags_and_attributes, char filename, RD_NTHANDLE phandle)
354	{
355	RD_NTHANDLE handle;
356	DIR *dirp;
357	int flags, mode;
358	char path[PATH_MAX];
359	struct stat filestat;
360
361	handle = 0;
362	dirp = NULL;
363	flags = 0;
364	mode = S_IRWXU \| S_IRGRP \| S_IXGRP \| S_IROTH \| S_IXOTH;
365
366	if (filename && *filename && filename[strlen(filename) - 1] == '/')
367	filename[strlen(filename) - 1] = 0;
368
369	#ifdef VBOX
370	snprintf(path, sizeof(path), "%s%s", g_rdpdr_device[device_id].local_path, filename);
371	#else
372	sprintf(path, "%s%s", g_rdpdr_device[device_id].local_path, filename ? filename : "");
373	#endif
374
375	/* Protect against mailicous servers:
376	somelongpath/.. not allowed
377	somelongpath/../b not allowed
378	somelongpath/..b in principle ok, but currently not allowed
379	somelongpath/b.. ok
380	somelongpath/b..b ok
381	somelongpath/b../c ok
382	*/
383	if (strstr(path, "/.."))
384	{
385	return RD_STATUS_ACCESS_DENIED;
386	}
387
388	switch (create_disposition)
389	{
390	case CREATE_ALWAYS:
391
392	/* Delete existing file/link. */
393	unlink(path);
394	flags \|= O_CREAT;
395	break;
396
397	case CREATE_NEW:
398
399	/* If the file already exists, then fail. */
400	flags \|= O_CREAT \| O_EXCL;
401	break;
402
403	case OPEN_ALWAYS:
404
405	/* Create if not already exists. */
406	flags \|= O_CREAT;
407	break;
408
409	case OPEN_EXISTING:
410
411	/* Default behaviour */
412	break;
413
414	case TRUNCATE_EXISTING:
415
416	/* If the file does not exist, then fail. */
417	flags \|= O_TRUNC;
418	break;
419	}
420
421	/printf("Open: \"%s\" flags: %X, accessmask: %X sharemode: %X create disp: %X\n", path, flags_and_attributes, accessmask, sharemode, create_disposition); /
422
423	/* Get information about file and set that flag ourselfs */
424	if ((stat(path, &filestat) == 0) && (S_ISDIR(filestat.st_mode)))
425	{
426	if (flags_and_attributes & FILE_NON_DIRECTORY_FILE)
427	return RD_STATUS_FILE_IS_A_DIRECTORY;
428	else
429	flags_and_attributes \|= FILE_DIRECTORY_FILE;
430	}
431
432	if (flags_and_attributes & FILE_DIRECTORY_FILE)
433	{
434	if (flags & O_CREAT)
435	{
436	mkdir(path, mode);
437	}
438
439	dirp = opendir(path);
440	if (!dirp)
441	{
442	switch (errno)
443	{
444	case EACCES:
445
446	return RD_STATUS_ACCESS_DENIED;
447
448	case ENOENT:
449
450	return RD_STATUS_NO_SUCH_FILE;
451
452	default:
453
454	perror("opendir");
455	return RD_STATUS_NO_SUCH_FILE;
456	}
457	}
458	handle = DIRFD(dirp);
459	}
460	else
461	{
462
463	if (accessmask & GENERIC_ALL
464	\|\| (accessmask & GENERIC_READ && accessmask & GENERIC_WRITE))
465	{
466	flags \|= O_RDWR;
467	}
468	else if ((accessmask & GENERIC_WRITE) && !(accessmask & GENERIC_READ))
469	{
470	flags \|= O_WRONLY;
471	}
472	else
473	{
474	flags \|= O_RDONLY;
475	}
476
477	handle = open_weak_exclusive(path, flags, mode);
478	if (handle == -1)
479	{
480	switch (errno)
481	{
482	case EISDIR:
483
484	return RD_STATUS_FILE_IS_A_DIRECTORY;
485
486	case EACCES:
487
488	return RD_STATUS_ACCESS_DENIED;
489
490	case ENOENT:
491
492	return RD_STATUS_NO_SUCH_FILE;
493	case EEXIST:
494
495	return RD_STATUS_OBJECT_NAME_COLLISION;
496	default:
497
498	perror("open");
499	return RD_STATUS_NO_SUCH_FILE;
500	}
501	}
502
503	/* all read and writes of files should be non blocking */
504	if (fcntl(handle, F_SETFL, O_NONBLOCK) == -1)
505	perror("fcntl");
506	}
507
508	if (handle >= MAX_OPEN_FILES)
509	{
510	error("Maximum number of open files (%s) reached. Increase MAX_OPEN_FILES!\n",
511	handle);
512	exit(EX_SOFTWARE);
513	}
514
515	if (dirp)
516	g_fileinfo[handle].pdir = dirp;
517	else
518	g_fileinfo[handle].pdir = NULL;
519
520	g_fileinfo[handle].device_id = device_id;
521	g_fileinfo[handle].flags_and_attributes = flags_and_attributes;
522	g_fileinfo[handle].accessmask = accessmask;
523	strncpy(g_fileinfo[handle].path, path, PATH_MAX - 1);
524	g_fileinfo[handle].delete_on_close = False;
525
526	if (accessmask & GENERIC_ALL \|\| accessmask & GENERIC_WRITE)
527	g_notify_stamp = True;
528
529	*phandle = handle;
530	return RD_STATUS_SUCCESS;
531	}
532
533	static RD_NTSTATUS
534	disk_close(RD_NTHANDLE handle)
535	{
536	struct fileinfo *pfinfo;
537
538	pfinfo = &(g_fileinfo[handle]);
539
540	if (pfinfo->accessmask & GENERIC_ALL \|\| pfinfo->accessmask & GENERIC_WRITE)
541	g_notify_stamp = True;
542
543	rdpdr_abort_io(handle, 0, RD_STATUS_CANCELLED);
544
545	if (pfinfo->pdir)
546	{
547	if (closedir(pfinfo->pdir) < 0)
548	{
549	perror("closedir");
550	return RD_STATUS_INVALID_HANDLE;
551	}
552
553	if (pfinfo->delete_on_close)
554	if (rmdir(pfinfo->path) < 0)
555	{
556	perror(pfinfo->path);
557	return RD_STATUS_ACCESS_DENIED;
558	}
559	pfinfo->delete_on_close = False;
560	}
561	else
562	{
563	if (close(handle) < 0)
564	{
565	perror("close");
566	return RD_STATUS_INVALID_HANDLE;
567	}
568	if (pfinfo->delete_on_close)
569	if (unlink(pfinfo->path) < 0)
570	{
571	perror(pfinfo->path);
572	return RD_STATUS_ACCESS_DENIED;
573	}
574
575	pfinfo->delete_on_close = False;
576	}
577
578	return RD_STATUS_SUCCESS;
579	}
580
581	static RD_NTSTATUS
582	disk_read(RD_NTHANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result)
583	{
584	int n;
585
586	#if 0
587	/* browsing dir ???? */
588	/* each request is 24 bytes */
589	if (g_fileinfo[handle].flags_and_attributes & FILE_DIRECTORY_FILE)
590	{
591	*result = 0;
592	return STATUS_SUCCESS;
593	}
594	#endif
595
596	lseek(handle, offset, SEEK_SET);
597
598	n = read(handle, data, length);
599
600	if (n < 0)
601	{
602	*result = 0;
603	switch (errno)
604	{
605	case EISDIR:
606	/* Implement 24 Byte directory read ??
607	with STATUS_NOT_IMPLEMENTED server doesn't read again */
608	/* return STATUS_FILE_IS_A_DIRECTORY; */
609	return RD_STATUS_NOT_IMPLEMENTED;
610	default:
611	perror("read");
612	return RD_STATUS_INVALID_PARAMETER;
613	}
614	}
615
616	*result = n;
617
618	return RD_STATUS_SUCCESS;
619	}
620
621	static RD_NTSTATUS
622	disk_write(RD_NTHANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result)
623	{
624	int n;
625
626	lseek(handle, offset, SEEK_SET);
627
628	n = write(handle, data, length);
629
630	if (n < 0)
631	{
632	perror("write");
633	*result = 0;
634	switch (errno)
635	{
636	case ENOSPC:
637	return RD_STATUS_DISK_FULL;
638	default:
639	return RD_STATUS_ACCESS_DENIED;
640	}
641	}
642
643	*result = n;
644
645	return RD_STATUS_SUCCESS;
646	}
647
648	RD_NTSTATUS
649	disk_query_information(RD_NTHANDLE handle, uint32 info_class, STREAM out)
650	{
651	uint32 file_attributes, ft_high, ft_low;
652	struct stat filestat;
653	char path, filename;
654
655	path = g_fileinfo[handle].path;
656
657	/* Get information about file */
658	if (fstat(handle, &filestat) != 0)
659	{
660	perror("stat");
661	out_uint8(out, 0);
662	return RD_STATUS_ACCESS_DENIED;
663	}
664
665	/* Set file attributes */
666	file_attributes = 0;
667	if (S_ISDIR(filestat.st_mode))
668	file_attributes \|= FILE_ATTRIBUTE_DIRECTORY;
669
670	filename = 1 + strrchr(path, '/');
671	if (filename && filename[0] == '.')
672	file_attributes \|= FILE_ATTRIBUTE_HIDDEN;
673
674	if (!file_attributes)
675	file_attributes \|= FILE_ATTRIBUTE_NORMAL;
676
677	if (!(filestat.st_mode & S_IWUSR))
678	file_attributes \|= FILE_ATTRIBUTE_READONLY;
679
680	/* Return requested data */
681	switch (info_class)
682	{
683	case FileBasicInformation:
684	seconds_since_1970_to_filetime(get_create_time(&filestat), &ft_high,
685	&ft_low);
686	out_uint32_le(out, ft_low); /* create_access_time */
687	out_uint32_le(out, ft_high);
688
689	seconds_since_1970_to_filetime(filestat.st_atime, &ft_high, &ft_low);
690	out_uint32_le(out, ft_low); /* last_access_time */
691	out_uint32_le(out, ft_high);
692
693	seconds_since_1970_to_filetime(filestat.st_mtime, &ft_high, &ft_low);
694	out_uint32_le(out, ft_low); /* last_write_time */
695	out_uint32_le(out, ft_high);
696
697	seconds_since_1970_to_filetime(filestat.st_ctime, &ft_high, &ft_low);
698	out_uint32_le(out, ft_low); /* last_change_time */
699	out_uint32_le(out, ft_high);
700
701	out_uint32_le(out, file_attributes);
702	break;
703
704	case FileStandardInformation:
705
706	out_uint32_le(out, filestat.st_size); /* Allocation size */
707	out_uint32_le(out, 0);
708	out_uint32_le(out, filestat.st_size); /* End of file */
709	out_uint32_le(out, 0);
710	out_uint32_le(out, filestat.st_nlink); /* Number of links */
711	out_uint8(out, 0); /* Delete pending */
712	out_uint8(out, S_ISDIR(filestat.st_mode) ? 1 : 0); /* Directory */
713	break;
714
715	case FileObjectIdInformation:
716
717	out_uint32_le(out, file_attributes); /* File Attributes */
718	out_uint32_le(out, 0); /* Reparse Tag */
719	break;
720
721	default:
722
723	unimpl("IRP Query (File) Information class: 0x%x\n", info_class);
724	return RD_STATUS_INVALID_PARAMETER;
725	}
726	return RD_STATUS_SUCCESS;
727	}
728
729	RD_NTSTATUS
730	disk_set_information(RD_NTHANDLE handle, uint32 info_class, STREAM in, STREAM out)
731	{
732	uint32 length, file_attributes, ft_high, ft_low;
733	char *newname, fullpath[PATH_MAX];
734	struct fileinfo *pfinfo;
735	int mode;
736	struct stat filestat;
737	time_t write_time, change_time, access_time, mod_time;
738	struct utimbuf tvs;
739	struct STATFS_T stat_fs;
740
741	pfinfo = &(g_fileinfo[handle]);
742	g_notify_stamp = True;
743	newname = NULL;
744
745	switch (info_class)
746	{
747	case FileBasicInformation:
748	write_time = change_time = access_time = 0;
749
750	in_uint8s(in, 4); /* Handle of root dir? */
751	in_uint8s(in, 24); /* unknown */
752
753	/* CreationTime */
754	in_uint32_le(in, ft_low);
755	in_uint32_le(in, ft_high);
756
757	/* AccessTime */
758	in_uint32_le(in, ft_low);
759	in_uint32_le(in, ft_high);
760	if (ft_low \|\| ft_high)
761	access_time = convert_1970_to_filetime(ft_high, ft_low);
762
763	/* WriteTime */
764	in_uint32_le(in, ft_low);
765	in_uint32_le(in, ft_high);
766	if (ft_low \|\| ft_high)
767	write_time = convert_1970_to_filetime(ft_high, ft_low);
768
769	/* ChangeTime */
770	in_uint32_le(in, ft_low);
771	in_uint32_le(in, ft_high);
772	if (ft_low \|\| ft_high)
773	change_time = convert_1970_to_filetime(ft_high, ft_low);
774
775	in_uint32_le(in, file_attributes);
776
777	if (fstat(handle, &filestat))
778	return RD_STATUS_ACCESS_DENIED;
779
780	tvs.modtime = filestat.st_mtime;
781	tvs.actime = filestat.st_atime;
782	if (access_time)
783	tvs.actime = access_time;
784
785
786	if (write_time \|\| change_time)
787	mod_time = MIN(write_time, change_time);
788	else
789	mod_time = write_time ? write_time : change_time;
790
791	if (mod_time)
792	tvs.modtime = mod_time;
793
794
795	if (access_time \|\| write_time \|\| change_time)
796	{
797	#if WITH_DEBUG_RDP5
798	printf("FileBasicInformation access time %s",
799	ctime(&tvs.actime));
800	printf("FileBasicInformation modification time %s",
801	ctime(&tvs.modtime));
802	#endif
803	if (utime(pfinfo->path, &tvs) && errno != EPERM)
804	return RD_STATUS_ACCESS_DENIED;
805	}
806
807	if (!file_attributes)
808	break; /* not valid */
809
810	mode = filestat.st_mode;
811
812	if (file_attributes & FILE_ATTRIBUTE_READONLY)
813	mode &= ~(S_IWUSR \| S_IWGRP \| S_IWOTH);
814	else
815	mode \|= S_IWUSR;
816
817	mode &= 0777;
818	#if WITH_DEBUG_RDP5
819	printf("FileBasicInformation set access mode 0%o", mode);
820	#endif
821
822	if (fchmod(handle, mode))
823	return RD_STATUS_ACCESS_DENIED;
824
825	break;
826
827	case FileRenameInformation:
828
829	in_uint8s(in, 4); /* Handle of root dir? */
830	in_uint8s(in, 0x1a); /* unknown */
831	in_uint32_le(in, length);
832
833	if (length && (length / 2) >= 256)
834	return RD_STATUS_INVALID_PARAMETER;
835
836	rdp_in_unistr(in, length, &newname, &length);
837	if (newname == NULL)
838	return RD_STATUS_INVALID_PARAMETER;
839
840	convert_to_unix_filename(newname);
841
842	#ifdef VBOX
843	snprintf(fullpath, sizeof(fullpath), "%s%s", g_rdpdr_device[pfinfo->device_id].local_path,
844	newname);
845	#else
846	sprintf(fullpath, "%s%s", g_rdpdr_device[pfinfo->device_id].local_path,
847	newname);
848	#endif
849
850	free(newname);
851
852	if (rename(pfinfo->path, fullpath) != 0)
853	{
854	perror("rename");
855	return RD_STATUS_ACCESS_DENIED;
856	}
857	break;
858
859	case FileDispositionInformation:
860	/* As far as I understand it, the correct
861	thing to do here is to schedule a delete,
862	so it will be deleted when the file is
863	closed. Subsequent
864	FileDispositionInformation requests with
865	DeleteFile set to FALSE should unschedule
866	the delete. See
867	http://www.osronline.com/article.cfm?article=245. */
868
869	/* FileDispositionInformation always sets delete_on_close to true.
870	"STREAM in" includes Length(4bytes) , Padding(24bytes) and SetBuffer(zero byte).
871	Length is always set to zero.
872	[MS-RDPEFS] http://msdn.microsoft.com/en-us/library/cc241305%28PROT.10%29.aspx
873	- 2.2.3.3.9 Server Drive Set Information Request
874	*/
875	in_uint8s(in, 4); /* length of SetBuffer */
876	in_uint8s(in, 24); /* padding */
877
878
879	if ((pfinfo->accessmask &
880	(FILE_DELETE_ON_CLOSE \| FILE_COMPLETE_IF_OPLOCKED)))
881	{
882	/* if file exists in directory , necessary to return RD_STATUS_DIRECTORY_NOT_EMPTY with win2008
883	[MS-RDPEFS] http://msdn.microsoft.com/en-us/library/cc241305%28PROT.10%29.aspx
884	- 2.2.3.3.9 Server Drive Set Information Request
885	- 2.2.3.4.9 Client Drive Set Information Response
886	[MS-FSCC] http://msdn.microsoft.com/en-us/library/cc231987%28PROT.10%29.aspx
887	- 2.4.11 FileDispositionInformation
888	[FSBO] http://msdn.microsoft.com/en-us/library/cc246487%28PROT.13%29.aspx
889	- 4.3.2 Set Delete-on-close using FileDispositionInformation Information Class (IRP_MJ_SET_INFORMATION)
890	*/
891	if (pfinfo->pdir)
892	{
893	DIR *dp = opendir(pfinfo->path);
894	struct dirent *dir;
895
896	while ((dir = readdir(dp)) != NULL)
897	{
898	if (strcmp(dir->d_name, ".") != 0
899	&& strcmp(dir->d_name, "..") != 0)
900	{
901	closedir(dp);
902	return RD_STATUS_DIRECTORY_NOT_EMPTY;
903	}
904	}
905	closedir(dp);
906	}
907
908	pfinfo->delete_on_close = True;
909	}
910
911	break;
912
913	case FileAllocationInformation:
914	/* Fall through to FileEndOfFileInformation,
915	which uses ftrunc. This is like Samba with
916	"strict allocation = false", and means that
917	we won't detect out-of-quota errors, for
918	example. */
919
920	case FileEndOfFileInformation:
921	in_uint8s(in, 28); /* unknown */
922	in_uint32_le(in, length); /* file size */
923
924	/* prevents start of writing if not enough space left on device */
925	if (STATFS_FN(pfinfo->path, &stat_fs) == 0)
926	if (stat_fs.f_bfree * stat_fs.f_bsize < length)
927	return RD_STATUS_DISK_FULL;
928
929	if (ftruncate_growable(handle, length) != 0)
930	{
931	return RD_STATUS_DISK_FULL;
932	}
933
934	break;
935	default:
936
937	unimpl("IRP Set File Information class: 0x%x\n", info_class);
938	return RD_STATUS_INVALID_PARAMETER;
939	}
940	return RD_STATUS_SUCCESS;
941	}
942
943	RD_NTSTATUS
944	disk_check_notify(RD_NTHANDLE handle)
945	{
946	struct fileinfo *pfinfo;
947	RD_NTSTATUS status = RD_STATUS_PENDING;
948
949	NOTIFY notify;
950
951	pfinfo = &(g_fileinfo[handle]);
952	if (!pfinfo->pdir)
953	return RD_STATUS_INVALID_DEVICE_REQUEST;
954
955
956
957	status = NotifyInfo(handle, pfinfo->info_class, &notify);
958
959	if (status != RD_STATUS_PENDING)
960	return status;
961
962	if (memcmp(&pfinfo->notify, &notify, sizeof(NOTIFY)))
963	{
964	/printf("disk_check_notify found changed event\n"); /
965	memcpy(&pfinfo->notify, &notify, sizeof(NOTIFY));
966	status = RD_STATUS_NOTIFY_ENUM_DIR;
967	}
968
969	return status;
970
971
972	}
973
974	RD_NTSTATUS
975	disk_create_notify(RD_NTHANDLE handle, uint32 info_class)
976	{
977
978	struct fileinfo *pfinfo;
979	RD_NTSTATUS ret = RD_STATUS_PENDING;
980
981	/* printf("start disk_create_notify info_class %X\n", info_class); */
982
983	pfinfo = &(g_fileinfo[handle]);
984	pfinfo->info_class = info_class;
985
986	ret = NotifyInfo(handle, info_class, &pfinfo->notify);
987
988	if (info_class & 0x1000)
989	{ /* ???? */
990	if (ret == RD_STATUS_PENDING)
991	return RD_STATUS_SUCCESS;
992	}
993
994	/* printf("disk_create_notify: num_entries %d\n", pfinfo->notify.num_entries); */
995
996
997	return ret;
998
999	}
1000
1001	static RD_NTSTATUS
1002	NotifyInfo(RD_NTHANDLE handle, uint32 info_class, NOTIFY * p)
1003	{
1004	struct fileinfo *pfinfo;
1005	struct stat filestat;
1006	struct dirent *dp;
1007	char *fullname;
1008	DIR *dpr;
1009
1010	pfinfo = &(g_fileinfo[handle]);
1011	if (fstat(handle, &filestat) < 0)
1012	{
1013	perror("NotifyInfo");
1014	return RD_STATUS_ACCESS_DENIED;
1015	}
1016	p->modify_time = filestat.st_mtime;
1017	p->status_time = filestat.st_ctime;
1018	p->num_entries = 0;
1019	p->total_time = 0;
1020
1021
1022	dpr = opendir(pfinfo->path);
1023	if (!dpr)
1024	{
1025	perror("NotifyInfo");
1026	return RD_STATUS_ACCESS_DENIED;
1027	}
1028
1029
1030	while ((dp = readdir(dpr)))
1031	{
1032	if (!strcmp(dp->d_name, ".") \|\| !strcmp(dp->d_name, ".."))
1033	continue;
1034	p->num_entries++;
1035	fullname = (char *) xmalloc(strlen(pfinfo->path) + strlen(dp->d_name) + 2);
1036	sprintf(fullname, "%s/%s", pfinfo->path, dp->d_name);
1037
1038	if (!stat(fullname, &filestat))
1039	{
1040	p->total_time += (filestat.st_mtime + filestat.st_ctime);
1041	}
1042
1043	xfree(fullname);
1044	}
1045	closedir(dpr);
1046
1047	return RD_STATUS_PENDING;
1048	}
1049
1050	static FsInfoType *
1051	FsVolumeInfo(char *fpath)
1052	{
1053
1054	static FsInfoType info;
1055	#ifdef USE_SETMNTENT
1056	FILE *fdfs;
1057	struct mntent *e;
1058	#endif
1059
1060	/* initialize */
1061	memset(&info, 0, sizeof(info));
1062	strcpy(info.label, "RDESKTOP");
1063	strcpy(info.type, "RDPFS");
1064
1065	#ifdef USE_SETMNTENT
1066	fdfs = setmntent(MNTENT_PATH, "r");
1067	if (!fdfs)
1068	return &info;
1069
1070	while ((e = getmntent(fdfs)))
1071	{
1072	if (str_startswith(e->mnt_dir, fpath))
1073	{
1074	strcpy(info.type, e->mnt_type);
1075	strcpy(info.name, e->mnt_fsname);
1076	if (strstr(e->mnt_opts, "vfat") \|\| strstr(e->mnt_opts, "iso9660"))
1077	{
1078	int fd = open(e->mnt_fsname, O_RDONLY);
1079	if (fd >= 0)
1080	{
1081	unsigned char buf[512];
1082	memset(buf, 0, sizeof(buf));
1083	if (strstr(e->mnt_opts, "vfat"))
1084	/FAT/
1085	{
1086	strcpy(info.type, "vfat");
1087	read(fd, buf, sizeof(buf));
1088	info.serial =
1089	(buf[42] << 24) + (buf[41] << 16) +
1090	(buf[40] << 8) + buf[39];
1091	strncpy(info.label, (char *) buf + 43, 10);
1092	info.label[10] = '\0';
1093	}
1094	else if (lseek(fd, 32767, SEEK_SET) >= 0) /* ISO9660 */
1095	{
1096	read(fd, buf, sizeof(buf));
1097	strncpy(info.label, (char *) buf + 41, 32);
1098	info.label[32] = '\0';
1099	/* info.Serial = (buf[128]<<24)+(buf[127]<<16)+(buf[126]<<8)+buf[125]; */
1100	}
1101	close(fd);
1102	}
1103	}
1104	}
1105	}
1106	endmntent(fdfs);
1107	#else
1108	/* initialize */
1109	memset(&info, 0, sizeof(info));
1110	strcpy(info.label, "RDESKTOP");
1111	strcpy(info.type, "RDPFS");
1112
1113	#endif
1114	return &info;
1115	}
1116
1117
1118	RD_NTSTATUS
1119	disk_query_volume_information(RD_NTHANDLE handle, uint32 info_class, STREAM out)
1120	{
1121	struct STATFS_T stat_fs;
1122	struct fileinfo *pfinfo;
1123	FsInfoType *fsinfo;
1124
1125	pfinfo = &(g_fileinfo[handle]);
1126
1127	if (STATFS_FN(pfinfo->path, &stat_fs) != 0)
1128	{
1129	perror("statfs");
1130	return RD_STATUS_ACCESS_DENIED;
1131	}
1132
1133	fsinfo = FsVolumeInfo(pfinfo->path);
1134
1135	switch (info_class)
1136	{
1137	case FileFsVolumeInformation:
1138
1139	out_uint32_le(out, 0); /* volume creation time low */
1140	out_uint32_le(out, 0); /* volume creation time high */
1141	out_uint32_le(out, fsinfo->serial); /* serial */
1142
1143	out_uint32_le(out, 2 * strlen(fsinfo->label)); /* length of string */
1144
1145	out_uint8(out, 0); /* support objects? */
1146	rdp_out_unistr(out, fsinfo->label, 2 * strlen(fsinfo->label) - 2);
1147	break;
1148
1149	case FileFsSizeInformation:
1150
1151	out_uint32_le(out, stat_fs.f_blocks); /* Total allocation units low */
1152	out_uint32_le(out, 0); /* Total allocation high units */
1153	out_uint32_le(out, stat_fs.f_bfree); /* Available allocation units */
1154	out_uint32_le(out, 0); /* Available allowcation units */
1155	out_uint32_le(out, stat_fs.f_bsize / 0x200); /* Sectors per allocation unit */
1156	out_uint32_le(out, 0x200); /* Bytes per sector */
1157	break;
1158
1159	case FileFsFullSizeInformation:
1160
1161	out_uint32_le(out, stat_fs.f_blocks); /* Total allocation units low */
1162	out_uint32_le(out, 0); /* Total allocation units high */
1163	out_uint32_le(out, stat_fs.f_bavail); /* Caller allocation units low */
1164	out_uint32_le(out, 0); /* Caller allocation units high */
1165	out_uint32_le(out, stat_fs.f_bfree); /* Available allocation units */
1166	out_uint32_le(out, 0); /* Available allowcation units */
1167	out_uint32_le(out, stat_fs.f_bsize / 0x200); /* Sectors per allocation unit */
1168	out_uint32_le(out, 0x200); /* Bytes per sector */
1169	break;
1170
1171	case FileFsAttributeInformation:
1172
1173	out_uint32_le(out, FS_CASE_SENSITIVE \| FS_CASE_IS_PRESERVED); /* fs attributes */
1174	out_uint32_le(out, F_NAMELEN(stat_fs)); /* max length of filename */
1175
1176	out_uint32_le(out, 2 * strlen(fsinfo->type)); /* length of fs_type */
1177	rdp_out_unistr(out, fsinfo->type, 2 * strlen(fsinfo->type) - 2);
1178	break;
1179
1180	case FileFsLabelInformation:
1181	case FileFsDeviceInformation:
1182	case FileFsControlInformation:
1183	case FileFsObjectIdInformation:
1184	case FileFsMaximumInformation:
1185
1186	default:
1187
1188	unimpl("IRP Query Volume Information class: 0x%x\n", info_class);
1189	return RD_STATUS_INVALID_PARAMETER;
1190	}
1191	return RD_STATUS_SUCCESS;
1192	}
1193
1194	RD_NTSTATUS
1195	disk_query_directory(RD_NTHANDLE handle, uint32 info_class, char *pattern, STREAM out)
1196	{
1197	uint32 file_attributes, ft_low, ft_high;
1198	char *dirname, fullpath[PATH_MAX];
1199	DIR *pdir;
1200	struct dirent *pdirent;
1201	struct stat filestat;
1202	struct fileinfo *pfinfo;
1203
1204	pfinfo = &(g_fileinfo[handle]);
1205	pdir = pfinfo->pdir;
1206	dirname = pfinfo->path;
1207	file_attributes = 0;
1208
1209
1210	switch (info_class)
1211	{
1212	case FileBothDirectoryInformation:
1213	case FileDirectoryInformation:
1214	case FileFullDirectoryInformation:
1215	case FileNamesInformation:
1216
1217	/* If a search pattern is received, remember this pattern, and restart search */
1218	if (pattern != NULL && pattern[0] != 0)
1219	{
1220	strncpy(pfinfo->pattern, 1 + strrchr(pattern, '/'), PATH_MAX - 1);
1221	rewinddir(pdir);
1222	}
1223
1224	/* find next dirent matching pattern */
1225	pdirent = readdir(pdir);
1226	while (pdirent && fnmatch(pfinfo->pattern, pdirent->d_name, 0) != 0)
1227	pdirent = readdir(pdir);
1228
1229	if (pdirent == NULL)
1230	return RD_STATUS_NO_MORE_FILES;
1231
1232	/* Get information for directory entry */
1233	#ifdef VBOX
1234	snprintf(fullpath, sizeof(fullpath), "%s/%s", dirname, pdirent->d_name);
1235	#else
1236	sprintf(fullpath, "%s/%s", dirname, pdirent->d_name);
1237	#endif
1238
1239	if (stat(fullpath, &filestat))
1240	{
1241	switch (errno)
1242	{
1243	case ENOENT:
1244	case ELOOP:
1245	case EACCES:
1246	/* These are non-fatal errors. */
1247	memset(&filestat, 0, sizeof(filestat));
1248	break;
1249	default:
1250	/* Fatal error. By returning STATUS_NO_SUCH_FILE,
1251	the directory list operation will be aborted */
1252	perror(fullpath);
1253	out_uint8(out, 0);
1254	return RD_STATUS_NO_SUCH_FILE;
1255	}
1256	}
1257
1258	if (S_ISDIR(filestat.st_mode))
1259	file_attributes \|= FILE_ATTRIBUTE_DIRECTORY;
1260	if (pdirent->d_name[0] == '.')
1261	file_attributes \|= FILE_ATTRIBUTE_HIDDEN;
1262	if (!file_attributes)
1263	file_attributes \|= FILE_ATTRIBUTE_NORMAL;
1264	if (!(filestat.st_mode & S_IWUSR))
1265	file_attributes \|= FILE_ATTRIBUTE_READONLY;
1266
1267	/* Return requested information */
1268	out_uint32_le(out, 0); /* NextEntryOffset */
1269	out_uint32_le(out, 0); /* FileIndex zero */
1270	break;
1271
1272	default:
1273	unimpl("IRP Query Directory sub: 0x%x\n", info_class);
1274	return RD_STATUS_INVALID_PARAMETER;
1275	}
1276
1277	switch (info_class)
1278	{
1279	case FileBothDirectoryInformation:
1280
1281	seconds_since_1970_to_filetime(get_create_time(&filestat), &ft_high,
1282	&ft_low);
1283	out_uint32_le(out, ft_low); /* create time */
1284	out_uint32_le(out, ft_high);
1285
1286	seconds_since_1970_to_filetime(filestat.st_atime, &ft_high, &ft_low);
1287	out_uint32_le(out, ft_low); /* last_access_time */
1288	out_uint32_le(out, ft_high);
1289
1290	seconds_since_1970_to_filetime(filestat.st_mtime, &ft_high, &ft_low);
1291	out_uint32_le(out, ft_low); /* last_write_time */
1292	out_uint32_le(out, ft_high);
1293
1294	seconds_since_1970_to_filetime(filestat.st_ctime, &ft_high, &ft_low);
1295	out_uint32_le(out, ft_low); /* change_write_time */
1296	out_uint32_le(out, ft_high);
1297
1298	out_uint32_le(out, filestat.st_size); /* filesize low */
1299	out_uint32_le(out, 0); /* filesize high */
1300	out_uint32_le(out, filestat.st_size); /* filesize low */
1301	out_uint32_le(out, 0); /* filesize high */
1302	out_uint32_le(out, file_attributes); /* FileAttributes */
1303	out_uint32_le(out, 2 * strlen(pdirent->d_name) + 2); /* unicode length */
1304	out_uint32_le(out, 0); /* EaSize */
1305	out_uint8(out, 0); /* ShortNameLength */
1306	/* this should be correct according to MS-FSCC specification
1307	but it only works when commented out... */
1308	/* out_uint8(out, 0); // Reserved/Padding */
1309	out_uint8s(out, 2 * 12); /* ShortName (8.3 name) */
1310	rdp_out_unistr(out, pdirent->d_name, 2 * strlen(pdirent->d_name));
1311	break;
1312
1313
1314	case FileDirectoryInformation:
1315
1316	seconds_since_1970_to_filetime(get_create_time(&filestat), &ft_high,
1317	&ft_low);
1318	out_uint32_le(out, ft_low); /* create time */
1319	out_uint32_le(out, ft_high);
1320
1321	seconds_since_1970_to_filetime(filestat.st_atime, &ft_high, &ft_low);
1322	out_uint32_le(out, ft_low); /* last_access_time */
1323	out_uint32_le(out, ft_high);
1324
1325	seconds_since_1970_to_filetime(filestat.st_mtime, &ft_high, &ft_low);
1326	out_uint32_le(out, ft_low); /* last_write_time */
1327	out_uint32_le(out, ft_high);
1328
1329	seconds_since_1970_to_filetime(filestat.st_ctime, &ft_high, &ft_low);
1330	out_uint32_le(out, ft_low); /* change_write_time */
1331	out_uint32_le(out, ft_high);
1332
1333	out_uint32_le(out, filestat.st_size); /* filesize low */
1334	out_uint32_le(out, 0); /* filesize high */
1335	out_uint32_le(out, filestat.st_size); /* filesize low */
1336	out_uint32_le(out, 0); /* filesize high */
1337	out_uint32_le(out, file_attributes);
1338	out_uint32_le(out, 2 * strlen(pdirent->d_name) + 2); /* unicode length */
1339	rdp_out_unistr(out, pdirent->d_name, 2 * strlen(pdirent->d_name));
1340	break;
1341
1342
1343	case FileFullDirectoryInformation:
1344
1345	seconds_since_1970_to_filetime(get_create_time(&filestat), &ft_high,
1346	&ft_low);
1347	out_uint32_le(out, ft_low); /* create time */
1348	out_uint32_le(out, ft_high);
1349
1350	seconds_since_1970_to_filetime(filestat.st_atime, &ft_high, &ft_low);
1351	out_uint32_le(out, ft_low); /* last_access_time */
1352	out_uint32_le(out, ft_high);
1353
1354	seconds_since_1970_to_filetime(filestat.st_mtime, &ft_high, &ft_low);
1355	out_uint32_le(out, ft_low); /* last_write_time */
1356	out_uint32_le(out, ft_high);
1357
1358	seconds_since_1970_to_filetime(filestat.st_ctime, &ft_high, &ft_low);
1359	out_uint32_le(out, ft_low); /* change_write_time */
1360	out_uint32_le(out, ft_high);
1361
1362	out_uint32_le(out, filestat.st_size); /* filesize low */
1363	out_uint32_le(out, 0); /* filesize high */
1364	out_uint32_le(out, filestat.st_size); /* filesize low */
1365	out_uint32_le(out, 0); /* filesize high */
1366	out_uint32_le(out, file_attributes);
1367	out_uint32_le(out, 2 * strlen(pdirent->d_name) + 2); /* unicode length */
1368	out_uint32_le(out, 0); /* EaSize */
1369	rdp_out_unistr(out, pdirent->d_name, 2 * strlen(pdirent->d_name));
1370	break;
1371
1372
1373	case FileNamesInformation:
1374
1375	out_uint32_le(out, 2 * strlen(pdirent->d_name) + 2); /* unicode length */
1376	rdp_out_unistr(out, pdirent->d_name, 2 * strlen(pdirent->d_name));
1377	break;
1378
1379
1380	default:
1381
1382	unimpl("IRP Query Directory sub: 0x%x\n", info_class);
1383	return RD_STATUS_INVALID_PARAMETER;
1384	}
1385
1386	return RD_STATUS_SUCCESS;
1387	}
1388
1389
1390
1391	static RD_NTSTATUS
1392	disk_device_control(RD_NTHANDLE handle, uint32 request, STREAM in, STREAM out)
1393	{
1394	#ifdef VBOX
1395	if (((request >> 16) != 20) && ((request >> 16) != 9))
1396	return RD_STATUS_INVALID_PARAMETER;
1397	#else
1398	if (((request >> 16) != 20) \|\| ((request >> 16) != 9))
1399	return RD_STATUS_INVALID_PARAMETER;
1400	#endif
1401
1402	/* extract operation */
1403	request >>= 2;
1404	request &= 0xfff;
1405
1406	printf("DISK IOCTL %d\n", request);
1407
1408	switch (request)
1409	{
1410	case 25: /* ? */
1411	case 42: /* ? */
1412	default:
1413	unimpl("DISK IOCTL %d\n", request);
1414	return RD_STATUS_INVALID_PARAMETER;
1415	}
1416
1417	return RD_STATUS_SUCCESS;
1418	}
1419
1420	DEVICE_FNS disk_fns = {
1421	disk_create,
1422	disk_close,
1423	disk_read,
1424	disk_write,
1425	disk_device_control /* device_control */
1426	};

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source: vbox/trunk/src/VBox/RDP/client-1.8.4/disk.c@ 92904

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