66 |
#define STATFS_T statvfs |
#define STATFS_T statvfs |
67 |
#define F_NAMELEN(buf) ((buf).f_namemax) |
#define F_NAMELEN(buf) ((buf).f_namemax) |
68 |
|
|
69 |
|
#elif (defined(__alpha) && !defined(linux)) |
70 |
|
#include <sys/mount.h> /* osf1 statfs */ |
71 |
|
#define STATFS_FN(path, buf) (statfs(path,buf,sizeof(buf))) |
72 |
|
#define STATFS_T statfs |
73 |
|
#define F_NAMELEN(buf) (255) |
74 |
|
|
75 |
#else |
#else |
76 |
#include <sys/vfs.h> /* linux statfs */ |
#include <sys/vfs.h> /* linux statfs */ |
77 |
#include <mntent.h> |
#include <mntent.h> |
87 |
extern RDPDR_DEVICE g_rdpdr_device[]; |
extern RDPDR_DEVICE g_rdpdr_device[]; |
88 |
|
|
89 |
FILEINFO g_fileinfo[MAX_OPEN_FILES]; |
FILEINFO g_fileinfo[MAX_OPEN_FILES]; |
90 |
|
BOOL g_notify_stamp = False; |
91 |
|
|
92 |
typedef struct |
typedef struct |
93 |
{ |
{ |
97 |
char type[256]; |
char type[256]; |
98 |
} FsInfoType; |
} FsInfoType; |
99 |
|
|
100 |
|
static NTSTATUS NotifyInfo(NTHANDLE handle, uint32 info_class, NOTIFY * p); |
101 |
|
|
102 |
static time_t |
static time_t |
103 |
get_create_time(struct stat *st) |
get_create_time(struct stat *st) |
140 |
|
|
141 |
} |
} |
142 |
|
|
143 |
|
/* A wrapper for ftruncate which supports growing files, even if the |
144 |
|
native ftruncate doesn't. This is needed on Linux FAT filesystems, |
145 |
|
for example. */ |
146 |
|
static int |
147 |
|
ftruncate_growable(int fd, off_t length) |
148 |
|
{ |
149 |
|
int ret; |
150 |
|
off_t pos; |
151 |
|
static const char zero; |
152 |
|
|
153 |
|
/* Try the simple method first */ |
154 |
|
if ((ret = ftruncate(fd, length)) != -1) |
155 |
|
{ |
156 |
|
return ret; |
157 |
|
} |
158 |
|
|
159 |
|
/* |
160 |
|
* Some kind of error. Perhaps we were trying to grow. Retry |
161 |
|
* in a safe way. |
162 |
|
*/ |
163 |
|
|
164 |
|
/* Get current position */ |
165 |
|
if ((pos = lseek(fd, 0, SEEK_CUR)) == -1) |
166 |
|
{ |
167 |
|
perror("lseek"); |
168 |
|
return -1; |
169 |
|
} |
170 |
|
|
171 |
|
/* Seek to new size */ |
172 |
|
if (lseek(fd, length, SEEK_SET) == -1) |
173 |
|
{ |
174 |
|
perror("lseek"); |
175 |
|
return -1; |
176 |
|
} |
177 |
|
|
178 |
|
/* Write a zero */ |
179 |
|
if (write(fd, &zero, 1) == -1) |
180 |
|
{ |
181 |
|
perror("write"); |
182 |
|
return -1; |
183 |
|
} |
184 |
|
|
185 |
|
/* Truncate. This shouldn't fail. */ |
186 |
|
if (ftruncate(fd, length) == -1) |
187 |
|
{ |
188 |
|
perror("ftruncate"); |
189 |
|
return -1; |
190 |
|
} |
191 |
|
|
192 |
|
/* Restore position */ |
193 |
|
if (lseek(fd, pos, SEEK_SET) == -1) |
194 |
|
{ |
195 |
|
perror("lseek"); |
196 |
|
return -1; |
197 |
|
} |
198 |
|
|
199 |
|
return 0; |
200 |
|
} |
201 |
|
|
202 |
|
/* Just like open(2), but if a open with O_EXCL fails, retry with |
203 |
|
GUARDED semantics. This might be necessary because some filesystems |
204 |
|
(such as NFS filesystems mounted from a unfsd server) doesn't |
205 |
|
support O_EXCL. GUARDED semantics are subject to race conditions, |
206 |
|
but we can live with that. |
207 |
|
*/ |
208 |
|
static int |
209 |
|
open_weak_exclusive(const char *pathname, int flags, mode_t mode) |
210 |
|
{ |
211 |
|
int ret; |
212 |
|
struct stat statbuf; |
213 |
|
|
214 |
|
ret = open(pathname, flags, mode); |
215 |
|
if (ret != -1 || !(flags & O_EXCL)) |
216 |
|
{ |
217 |
|
/* Success, or not using O_EXCL */ |
218 |
|
return ret; |
219 |
|
} |
220 |
|
|
221 |
|
/* An error occured, and we are using O_EXCL. In case the FS |
222 |
|
doesn't support O_EXCL, some kind of error will be |
223 |
|
returned. Unfortunately, we don't know which one. Linux |
224 |
|
2.6.8 seems to return 524, but I cannot find a documented |
225 |
|
#define for this case. So, we'll return only on errors that |
226 |
|
we know aren't related to O_EXCL. */ |
227 |
|
switch (errno) |
228 |
|
{ |
229 |
|
case EACCES: |
230 |
|
case EEXIST: |
231 |
|
case EINTR: |
232 |
|
case EISDIR: |
233 |
|
case ELOOP: |
234 |
|
case ENAMETOOLONG: |
235 |
|
case ENOENT: |
236 |
|
case ENOTDIR: |
237 |
|
return ret; |
238 |
|
} |
239 |
|
|
240 |
|
/* Retry with GUARDED semantics */ |
241 |
|
if (stat(pathname, &statbuf) != -1) |
242 |
|
{ |
243 |
|
/* File exists */ |
244 |
|
errno = EEXIST; |
245 |
|
return -1; |
246 |
|
} |
247 |
|
else |
248 |
|
{ |
249 |
|
return open(pathname, flags & ~O_EXCL, mode); |
250 |
|
} |
251 |
|
} |
252 |
|
|
253 |
/* Enumeration of devices from rdesktop.c */ |
/* Enumeration of devices from rdesktop.c */ |
254 |
/* returns numer of units found and initialized. */ |
/* returns numer of units found and initialized. */ |
299 |
flags = 0; |
flags = 0; |
300 |
mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH; |
mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH; |
301 |
|
|
302 |
|
if (*filename && filename[strlen(filename) - 1] == '/') |
|
if (filename[strlen(filename) - 1] == '/') |
|
303 |
filename[strlen(filename) - 1] = 0; |
filename[strlen(filename) - 1] = 0; |
304 |
sprintf(path, "%s%s", g_rdpdr_device[device_id].local_path, filename); |
sprintf(path, "%s%s", g_rdpdr_device[device_id].local_path, filename); |
305 |
|
|
336 |
break; |
break; |
337 |
} |
} |
338 |
|
|
339 |
//printf("Open: \"%s\" flags: %u, accessmask: %u sharemode: %u create disp: %u\n", path, flags_and_attributes, accessmask, sharemode, create_disposition); |
//printf("Open: \"%s\" flags: %X, accessmask: %X sharemode: %X create disp: %X\n", path, flags_and_attributes, accessmask, sharemode, create_disposition); |
340 |
|
|
341 |
// Get information about file and set that flag ourselfs |
// Get information about file and set that flag ourselfs |
342 |
if ((stat(path, &filestat) == 0) && (S_ISDIR(filestat.st_mode))) |
if ((stat(path, &filestat) == 0) && (S_ISDIR(filestat.st_mode))) |
392 |
flags |= O_RDONLY; |
flags |= O_RDONLY; |
393 |
} |
} |
394 |
|
|
395 |
handle = open(path, flags, mode); |
handle = open_weak_exclusive(path, flags, mode); |
396 |
if (handle == -1) |
if (handle == -1) |
397 |
{ |
{ |
398 |
switch (errno) |
switch (errno) |
432 |
|
|
433 |
if (dirp) |
if (dirp) |
434 |
g_fileinfo[handle].pdir = dirp; |
g_fileinfo[handle].pdir = dirp; |
435 |
|
else |
436 |
|
g_fileinfo[handle].pdir = NULL; |
437 |
|
|
438 |
g_fileinfo[handle].device_id = device_id; |
g_fileinfo[handle].device_id = device_id; |
439 |
g_fileinfo[handle].flags_and_attributes = flags_and_attributes; |
g_fileinfo[handle].flags_and_attributes = flags_and_attributes; |
440 |
|
g_fileinfo[handle].accessmask = accessmask; |
441 |
strncpy(g_fileinfo[handle].path, path, 255); |
strncpy(g_fileinfo[handle].path, path, 255); |
442 |
|
g_fileinfo[handle].delete_on_close = False; |
443 |
|
g_notify_stamp = True; |
444 |
|
|
445 |
*phandle = handle; |
*phandle = handle; |
446 |
return STATUS_SUCCESS; |
return STATUS_SUCCESS; |
453 |
|
|
454 |
pfinfo = &(g_fileinfo[handle]); |
pfinfo = &(g_fileinfo[handle]); |
455 |
|
|
456 |
if (pfinfo->flags_and_attributes & FILE_DIRECTORY_FILE) |
g_notify_stamp = True; |
457 |
|
|
458 |
|
rdpdr_abort_io(handle, 0, STATUS_CANCELLED); |
459 |
|
|
460 |
|
if (pfinfo->pdir) |
461 |
{ |
{ |
462 |
closedir(pfinfo->pdir); |
if (closedir(pfinfo->pdir) < 0) |
463 |
//FIXME: Should check exit code |
{ |
464 |
|
perror("closedir"); |
465 |
|
return STATUS_INVALID_HANDLE; |
466 |
|
} |
467 |
|
|
468 |
|
if (pfinfo->delete_on_close) |
469 |
|
if (rmdir(pfinfo->path) < 0) |
470 |
|
{ |
471 |
|
perror(pfinfo->path); |
472 |
|
return STATUS_ACCESS_DENIED; |
473 |
|
} |
474 |
|
pfinfo->delete_on_close = False; |
475 |
} |
} |
476 |
else |
else |
477 |
{ |
{ |
478 |
close(handle); |
if (close(handle) < 0) |
479 |
|
{ |
480 |
|
perror("close"); |
481 |
|
return STATUS_INVALID_HANDLE; |
482 |
|
} |
483 |
|
if (pfinfo->delete_on_close) |
484 |
|
if (unlink(pfinfo->path) < 0) |
485 |
|
{ |
486 |
|
perror(pfinfo->path); |
487 |
|
return STATUS_ACCESS_DENIED; |
488 |
|
} |
489 |
|
|
490 |
|
pfinfo->delete_on_close = False; |
491 |
} |
} |
492 |
|
|
493 |
return STATUS_SUCCESS; |
return STATUS_SUCCESS; |
518 |
switch (errno) |
switch (errno) |
519 |
{ |
{ |
520 |
case EISDIR: |
case EISDIR: |
521 |
return STATUS_FILE_IS_A_DIRECTORY; |
/* Implement 24 Byte directory read ?? |
522 |
|
with STATUS_NOT_IMPLEMENTED server doesn't read again */ |
523 |
|
/* return STATUS_FILE_IS_A_DIRECTORY; */ |
524 |
|
return STATUS_NOT_IMPLEMENTED; |
525 |
default: |
default: |
526 |
perror("read"); |
perror("read"); |
527 |
return STATUS_INVALID_PARAMETER; |
return STATUS_INVALID_PARAMETER; |
644 |
NTSTATUS |
NTSTATUS |
645 |
disk_set_information(NTHANDLE handle, uint32 info_class, STREAM in, STREAM out) |
disk_set_information(NTHANDLE handle, uint32 info_class, STREAM in, STREAM out) |
646 |
{ |
{ |
647 |
uint32 device_id, length, file_attributes, ft_high, ft_low; |
uint32 length, file_attributes, ft_high, ft_low, delete_on_close; |
648 |
char newname[256], fullpath[256]; |
char newname[256], fullpath[256]; |
649 |
struct fileinfo *pfinfo; |
struct fileinfo *pfinfo; |
|
|
|
650 |
int mode; |
int mode; |
651 |
struct stat filestat; |
struct stat filestat; |
652 |
time_t write_time, change_time, access_time, mod_time; |
time_t write_time, change_time, access_time, mod_time; |
654 |
struct STATFS_T stat_fs; |
struct STATFS_T stat_fs; |
655 |
|
|
656 |
pfinfo = &(g_fileinfo[handle]); |
pfinfo = &(g_fileinfo[handle]); |
657 |
|
g_notify_stamp = True; |
658 |
|
|
659 |
switch (info_class) |
switch (info_class) |
660 |
{ |
{ |
714 |
printf("FileBasicInformation modification time %s", |
printf("FileBasicInformation modification time %s", |
715 |
ctime(&tvs.modtime)); |
ctime(&tvs.modtime)); |
716 |
#endif |
#endif |
717 |
if (utime(pfinfo->path, &tvs)) |
if (utime(pfinfo->path, &tvs) && errno != EPERM) |
718 |
return STATUS_ACCESS_DENIED; |
return STATUS_ACCESS_DENIED; |
719 |
} |
} |
720 |
|
|
772 |
FileDispositionInformation requests with |
FileDispositionInformation requests with |
773 |
DeleteFile set to FALSE should unschedule |
DeleteFile set to FALSE should unschedule |
774 |
the delete. See |
the delete. See |
775 |
http://www.osronline.com/article.cfm?article=245. Currently, |
http://www.osronline.com/article.cfm?article=245. */ |
|
we are deleting the file immediately. I |
|
|
guess this is a FIXME. */ |
|
|
|
|
|
//in_uint32_le(in, delete_on_close); |
|
776 |
|
|
777 |
/* Make sure we close the file before |
in_uint32_le(in, delete_on_close); |
|
unlinking it. Not doing so would trigger |
|
|
silly-delete if using NFS, which might fail |
|
|
on FAT floppies, for example. */ |
|
|
disk_close(handle); |
|
778 |
|
|
779 |
if ((pfinfo->flags_and_attributes & FILE_DIRECTORY_FILE)) // remove a directory |
if (delete_on_close || |
780 |
|
(pfinfo-> |
781 |
|
accessmask & (FILE_DELETE_ON_CLOSE | FILE_COMPLETE_IF_OPLOCKED))) |
782 |
{ |
{ |
783 |
if (rmdir(pfinfo->path) < 0) |
pfinfo->delete_on_close = True; |
|
return STATUS_ACCESS_DENIED; |
|
784 |
} |
} |
|
else if (unlink(pfinfo->path) < 0) // unlink a file |
|
|
return STATUS_ACCESS_DENIED; |
|
785 |
|
|
786 |
break; |
break; |
787 |
|
|
798 |
|
|
799 |
/* prevents start of writing if not enough space left on device */ |
/* prevents start of writing if not enough space left on device */ |
800 |
if (STATFS_FN(g_rdpdr_device[pfinfo->device_id].local_path, &stat_fs) == 0) |
if (STATFS_FN(g_rdpdr_device[pfinfo->device_id].local_path, &stat_fs) == 0) |
801 |
if (stat_fs.f_bsize * stat_fs.f_bfree < length) |
if (stat_fs.f_bfree * stat_fs.f_bsize < length) |
802 |
return STATUS_DISK_FULL; |
return STATUS_DISK_FULL; |
803 |
|
|
804 |
/* FIXME: Growing file with ftruncate doesn't |
if (ftruncate_growable(handle, length) != 0) |
|
work with Linux FAT fs */ |
|
|
if (ftruncate(handle, length) != 0) |
|
805 |
{ |
{ |
|
perror("ftruncate"); |
|
806 |
return STATUS_DISK_FULL; |
return STATUS_DISK_FULL; |
807 |
} |
} |
808 |
|
|
815 |
return STATUS_SUCCESS; |
return STATUS_SUCCESS; |
816 |
} |
} |
817 |
|
|
818 |
|
NTSTATUS |
819 |
|
disk_check_notify(NTHANDLE handle) |
820 |
|
{ |
821 |
|
struct fileinfo *pfinfo; |
822 |
|
NTSTATUS status = STATUS_PENDING; |
823 |
|
|
824 |
|
NOTIFY notify; |
825 |
|
|
826 |
|
pfinfo = &(g_fileinfo[handle]); |
827 |
|
if (!pfinfo->pdir) |
828 |
|
return STATUS_INVALID_DEVICE_REQUEST; |
829 |
|
|
830 |
|
|
831 |
|
|
832 |
|
status = NotifyInfo(handle, pfinfo->info_class, ¬ify); |
833 |
|
|
834 |
|
if (status != STATUS_PENDING) |
835 |
|
return status; |
836 |
|
|
837 |
|
if (memcmp(&pfinfo->notify, ¬ify, sizeof(NOTIFY))) |
838 |
|
{ |
839 |
|
//printf("disk_check_notify found changed event\n"); |
840 |
|
memcpy(&pfinfo->notify, ¬ify, sizeof(NOTIFY)); |
841 |
|
status = STATUS_NOTIFY_ENUM_DIR; |
842 |
|
} |
843 |
|
|
844 |
|
return status; |
845 |
|
|
846 |
|
|
847 |
|
} |
848 |
|
|
849 |
|
NTSTATUS |
850 |
|
disk_create_notify(NTHANDLE handle, uint32 info_class) |
851 |
|
{ |
852 |
|
|
853 |
|
struct fileinfo *pfinfo; |
854 |
|
NTSTATUS ret = STATUS_PENDING; |
855 |
|
|
856 |
|
/* printf("start disk_create_notify info_class %X\n", info_class); */ |
857 |
|
|
858 |
|
pfinfo = &(g_fileinfo[handle]); |
859 |
|
pfinfo->info_class = info_class; |
860 |
|
|
861 |
|
ret = NotifyInfo(handle, info_class, &pfinfo->notify); |
862 |
|
|
863 |
|
if (info_class & 0x1000) |
864 |
|
{ /* ???? */ |
865 |
|
if (ret == STATUS_PENDING) |
866 |
|
return STATUS_SUCCESS; |
867 |
|
} |
868 |
|
|
869 |
|
/* printf("disk_create_notify: num_entries %d\n", pfinfo->notify.num_entries); */ |
870 |
|
|
871 |
|
|
872 |
|
return ret; |
873 |
|
|
874 |
|
} |
875 |
|
|
876 |
|
static NTSTATUS |
877 |
|
NotifyInfo(NTHANDLE handle, uint32 info_class, NOTIFY * p) |
878 |
|
{ |
879 |
|
struct fileinfo *pfinfo; |
880 |
|
struct stat buf; |
881 |
|
struct dirent *dp; |
882 |
|
char *fullname; |
883 |
|
DIR *dpr; |
884 |
|
|
885 |
|
pfinfo = &(g_fileinfo[handle]); |
886 |
|
if (fstat(handle, &buf) < 0) |
887 |
|
{ |
888 |
|
perror("NotifyInfo"); |
889 |
|
return STATUS_ACCESS_DENIED; |
890 |
|
} |
891 |
|
p->modify_time = buf.st_mtime; |
892 |
|
p->status_time = buf.st_ctime; |
893 |
|
p->num_entries = 0; |
894 |
|
p->total_time = 0; |
895 |
|
|
896 |
|
|
897 |
|
dpr = opendir(pfinfo->path); |
898 |
|
if (!dpr) |
899 |
|
{ |
900 |
|
perror("NotifyInfo"); |
901 |
|
return STATUS_ACCESS_DENIED; |
902 |
|
} |
903 |
|
|
904 |
|
|
905 |
|
while ((dp = readdir(dpr))) |
906 |
|
{ |
907 |
|
if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, "..")) |
908 |
|
continue; |
909 |
|
p->num_entries++; |
910 |
|
fullname = xmalloc(strlen(pfinfo->path) + strlen(dp->d_name) + 2); |
911 |
|
sprintf(fullname, "%s/%s", pfinfo->path, dp->d_name); |
912 |
|
|
913 |
|
if (!stat(fullname, &buf)) |
914 |
|
{ |
915 |
|
p->total_time += (buf.st_mtime + buf.st_ctime); |
916 |
|
} |
917 |
|
|
918 |
|
xfree(fullname); |
919 |
|
} |
920 |
|
closedir(dpr); |
921 |
|
|
922 |
|
return STATUS_PENDING; |
923 |
|
} |
924 |
|
|
925 |
static FsInfoType * |
static FsInfoType * |
926 |
FsVolumeInfo(char *fpath) |
FsVolumeInfo(char *fpath) |
927 |
{ |
{ |
928 |
|
|
|
#ifdef HAVE_MNTENT_H |
|
929 |
FILE *fdfs; |
FILE *fdfs; |
|
struct mntent *e; |
|
930 |
static FsInfoType info; |
static FsInfoType info; |
931 |
|
#ifdef HAVE_MNTENT_H |
932 |
|
struct mntent *e; |
933 |
|
#endif |
934 |
|
|
935 |
/* initialize */ |
/* initialize */ |
936 |
memset(&info, 0, sizeof(info)); |
memset(&info, 0, sizeof(info)); |
937 |
strcpy(info.label, "RDESKTOP"); |
strcpy(info.label, "RDESKTOP"); |
938 |
strcpy(info.type, "RDPFS"); |
strcpy(info.type, "RDPFS"); |
939 |
|
|
940 |
|
#ifdef HAVE_MNTENT_H |
941 |
fdfs = setmntent(MNTENT_PATH, "r"); |
fdfs = setmntent(MNTENT_PATH, "r"); |
942 |
if (!fdfs) |
if (!fdfs) |
943 |
return &info; |
return &info; |
980 |
} |
} |
981 |
endmntent(fdfs); |
endmntent(fdfs); |
982 |
#else |
#else |
|
static FsInfoType info; |
|
|
|
|
983 |
/* initialize */ |
/* initialize */ |
984 |
memset(&info, 0, sizeof(info)); |
memset(&info, 0, sizeof(info)); |
985 |
strcpy(info.label, "RDESKTOP"); |
strcpy(info.label, "RDESKTOP"); |
1168 |
static NTSTATUS |
static NTSTATUS |
1169 |
disk_device_control(NTHANDLE handle, uint32 request, STREAM in, STREAM out) |
disk_device_control(NTHANDLE handle, uint32 request, STREAM in, STREAM out) |
1170 |
{ |
{ |
|
uint32 result; |
|
|
|
|
1171 |
if (((request >> 16) != 20) || ((request >> 16) != 9)) |
if (((request >> 16) != 20) || ((request >> 16) != 9)) |
1172 |
return STATUS_INVALID_PARAMETER; |
return STATUS_INVALID_PARAMETER; |
1173 |
|
|