-
-
Notifications
You must be signed in to change notification settings - Fork 339
/
find_directory.cpp
445 lines (401 loc) · 11.7 KB
/
find_directory.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
/*
* Copyright 2004, François Revol.
* Copyright 2007-2010, Axel Dörfler, axeld@pinc-software.de.
* Copyright 2011, Oliver Tappe <zooey@hirschkaefer.de>
*
* Distributed under the terms of the MIT license.
*/
// TODO: this call is currently compiled for the kernel and libroot separately;
// they may not always return the same directory right now!
#ifdef _KERNEL_MODE
# include <vfs.h>
#else
# include <syscalls.h>
#endif
#include <directories.h>
#include <FindDirectory.h>
#include <fs_info.h>
#include <errno.h>
#include <pwd.h>
#include <string.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno_private.h>
#include <user_group.h>
/* use pwents to find home */
#define USE_PWENTS
/*
* If you change any of the directories below, please have a look at
* headers/private/libroot/directories.h and adjust that accordingly!
*/
#define SYSTEM "system"
#define COMMON "system/data/empty"
#define NON_PACKAGED "/non-packaged"
enum {
// obsolete common directories
B_COMMON_DIRECTORY = 2000,
B_COMMON_SYSTEM_DIRECTORY,
B_COMMON_ADDONS_DIRECTORY,
B_COMMON_BOOT_DIRECTORY,
B_COMMON_FONTS_DIRECTORY,
B_COMMON_LIB_DIRECTORY,
B_COMMON_SERVERS_DIRECTORY,
B_COMMON_BIN_DIRECTORY,
_B_COMMON_ETC_DIRECTORY,
B_COMMON_DOCUMENTATION_DIRECTORY,
_B_COMMON_SETTINGS_DIRECTORY,
B_COMMON_DEVELOP_DIRECTORY,
_B_COMMON_LOG_DIRECTORY,
_B_COMMON_SPOOL_DIRECTORY,
_B_COMMON_TEMP_DIRECTORY,
_B_COMMON_VAR_DIRECTORY,
B_COMMON_TRANSLATORS_DIRECTORY,
B_COMMON_MEDIA_NODES_DIRECTORY,
B_COMMON_SOUNDS_DIRECTORY,
B_COMMON_DATA_DIRECTORY,
_B_COMMON_CACHE_DIRECTORY,
B_COMMON_PACKAGES_DIRECTORY,
B_COMMON_HEADERS_DIRECTORY,
};
/* Haiku system directories */
static const char *kSystemDirectories[] = {
SYSTEM, // B_SYSTEM_DIRECTORY
SYSTEM, // B_BEOS_SYSTEM_DIRECTORY
SYSTEM "/add-ons",
SYSTEM "/boot",
SYSTEM "/data/fonts",
SYSTEM "/lib",
SYSTEM "/servers",
SYSTEM "/apps",
SYSTEM "/bin",
SYSTEM "/settings/etc",
SYSTEM "/documentation",
SYSTEM "/preferences",
SYSTEM "/add-ons/Translators",
SYSTEM "/add-ons/media",
SYSTEM "/data/sounds",
SYSTEM "/data",
SYSTEM "/develop",
SYSTEM "/packages",
SYSTEM "/develop/headers",
};
/* Common directories, shared among users */
static const char *kCommonDirectories[] = {
COMMON, // B_COMMON_DIRECTORY
COMMON, // B_COMMON_SYSTEM_DIRECTORY
COMMON "/add-ons",
COMMON "/boot",
COMMON "/data/fonts",
COMMON "/lib",
COMMON "/servers",
COMMON "/bin",
SYSTEM "/settings/etc", // B_SYSTEM_ETC_DIRECTORY
COMMON "/documentation",
SYSTEM "/settings", // B_SYSTEM_SETTINGS_DIRECTORY
COMMON "/develop",
SYSTEM "/var/log", // B_SYSTEM_LOG_DIRECTORY
SYSTEM "/var/spool", // B_SYSTEM_SPOOL_DIRECTORY
SYSTEM "/cache/tmp", // B_SYSTEM_TEMP_DIRECTORY
SYSTEM "/var", // B_SYSTEM_VAR_DIRECTORY
COMMON "/add-ons/Translators",
COMMON "/add-ons/media",
COMMON "/data/sounds",
COMMON "/data",
SYSTEM "/cache", // B_SYSTEM_CACHE_DIRECTORY
COMMON "/packages",
COMMON "/develop/headers",
SYSTEM NON_PACKAGED,
SYSTEM NON_PACKAGED "/add-ons",
SYSTEM NON_PACKAGED "/add-ons/Translators",
SYSTEM NON_PACKAGED "/add-ons/media",
SYSTEM NON_PACKAGED "/bin",
SYSTEM NON_PACKAGED "/data",
SYSTEM NON_PACKAGED "/data/fonts",
SYSTEM NON_PACKAGED "/data/sounds",
SYSTEM NON_PACKAGED "/documentation",
SYSTEM NON_PACKAGED "/lib",
SYSTEM NON_PACKAGED "/develop/headers",
SYSTEM NON_PACKAGED "/develop",
};
/* User directories */
#define HOME "$h"
#define CONFIG "/config"
static const char *kUserDirectories[] = {
HOME, // B_USER_DIRECTORY
HOME CONFIG, // B_USER_CONFIG_DIRECTORY
HOME CONFIG "/add-ons",
HOME CONFIG "/boot",
HOME CONFIG "/data/fonts",
HOME CONFIG "/lib",
HOME CONFIG "/settings",
HOME CONFIG "/settings/deskbar/menu",
HOME CONFIG "/settings/printers",
HOME CONFIG "/add-ons/Translators",
HOME CONFIG "/add-ons/media",
HOME CONFIG "/data/sounds",
HOME CONFIG "/data",
HOME CONFIG "/cache",
HOME CONFIG "/packages",
HOME CONFIG "/develop/headers",
HOME CONFIG NON_PACKAGED,
HOME CONFIG NON_PACKAGED "/add-ons",
HOME CONFIG NON_PACKAGED "/add-ons/Translators",
HOME CONFIG NON_PACKAGED "/add-ons/media",
HOME CONFIG NON_PACKAGED "/bin",
HOME CONFIG NON_PACKAGED "/data",
HOME CONFIG NON_PACKAGED "/data/fonts",
HOME CONFIG NON_PACKAGED "/data/sounds",
HOME CONFIG NON_PACKAGED "/documentation",
HOME CONFIG NON_PACKAGED "/lib",
HOME CONFIG NON_PACKAGED "/develop/headers",
HOME CONFIG NON_PACKAGED "/develop",
HOME CONFIG "/develop",
HOME CONFIG "/documentation",
};
/*! make dir and its parents if needed */
static int
create_path(const char *path, mode_t mode)
{
char buffer[B_PATH_NAME_LENGTH + 1];
int pathLength;
int i = 0;
if (path == NULL || ((pathLength = strlen(path)) > B_PATH_NAME_LENGTH))
return EINVAL;
while (++i < pathLength) {
char *slash = strchr(&path[i], '/');
struct stat st;
if (slash == NULL)
i = pathLength;
else if (i != slash - path)
i = slash - path;
else
continue;
strlcpy(buffer, path, i + 1);
if (stat(buffer, &st) < 0) {
__set_errno(0);
if (mkdir(buffer, mode) < 0)
return errno;
}
}
return 0;
}
// #pragma mark -
status_t
find_directory(directory_which which, dev_t device, bool createIt,
char *returnedPath, int32 pathLength)
{
status_t err = B_OK;
dev_t bootDevice = -1;
struct fs_info fsInfo;
struct stat st;
char *buffer = NULL;
const char *home = NULL;
const char *templatePath = NULL;
/* as with the R5 version, no on-stack buffer */
buffer = (char *)malloc(pathLength);
memset(buffer, 0, pathLength);
/* fiddle with non-boot volume for items that need it */
switch (which) {
case B_DESKTOP_DIRECTORY:
case B_TRASH_DIRECTORY:
bootDevice = dev_for_path("/boot");
if (device <= 0)
device = bootDevice;
if (fs_stat_dev(device, &fsInfo) < B_OK) {
free(buffer);
return ENODEV;
}
if (device != bootDevice) {
#ifdef _KERNEL_MODE
err = _user_entry_ref_to_path(device, fsInfo.root, /*"."*/
NULL, buffer, pathLength);
#else
err = _kern_entry_ref_to_path(device, fsInfo.root, /*"."*/
NULL, buffer, pathLength);
#endif
} else {
/* use the user id to find the home folder */
/* done later */
strlcat(buffer, "/boot", pathLength);
}
break;
case B_PACKAGE_LINKS_DIRECTORY:
// this is a directory living in rootfs
break;
default:
strlcat(buffer, "/boot", pathLength);
break;
}
if (err < B_OK) {
free(buffer);
return err;
}
switch ((int)which) {
/* Per volume directories */
case B_DESKTOP_DIRECTORY:
if (device == bootDevice || !strcmp(fsInfo.fsh_name, "bfs"))
templatePath = "$h/Desktop";
break;
case B_TRASH_DIRECTORY:
// TODO: eventually put that into the file system API?
if (device == bootDevice || !strcmp(fsInfo.fsh_name, "bfs"))
templatePath = "trash"; // TODO: add suffix for current user
else if (!strcmp(fsInfo.fsh_name, "fat"))
templatePath = "RECYCLED/_BEOS_";
break;
/* Haiku system directories */
case B_SYSTEM_DIRECTORY:
case B_BEOS_SYSTEM_DIRECTORY:
case B_SYSTEM_ADDONS_DIRECTORY:
case B_SYSTEM_BOOT_DIRECTORY:
case B_SYSTEM_FONTS_DIRECTORY:
case B_SYSTEM_LIB_DIRECTORY:
case B_SYSTEM_SERVERS_DIRECTORY:
case B_SYSTEM_APPS_DIRECTORY:
case B_SYSTEM_BIN_DIRECTORY:
case B_BEOS_ETC_DIRECTORY:
case B_SYSTEM_DOCUMENTATION_DIRECTORY:
case B_SYSTEM_PREFERENCES_DIRECTORY:
case B_SYSTEM_TRANSLATORS_DIRECTORY:
case B_SYSTEM_MEDIA_NODES_DIRECTORY:
case B_SYSTEM_SOUNDS_DIRECTORY:
case B_SYSTEM_DATA_DIRECTORY:
case B_SYSTEM_DEVELOP_DIRECTORY:
case B_SYSTEM_PACKAGES_DIRECTORY:
case B_SYSTEM_HEADERS_DIRECTORY:
templatePath = kSystemDirectories[which - B_SYSTEM_DIRECTORY];
break;
/* Obsolete common directories and writable system directories */
case B_COMMON_DIRECTORY:
case B_COMMON_SYSTEM_DIRECTORY:
case B_COMMON_ADDONS_DIRECTORY:
case B_COMMON_BOOT_DIRECTORY:
case B_COMMON_FONTS_DIRECTORY:
case B_COMMON_LIB_DIRECTORY:
case B_COMMON_SERVERS_DIRECTORY:
case B_COMMON_BIN_DIRECTORY:
case B_SYSTEM_ETC_DIRECTORY:
case B_COMMON_DOCUMENTATION_DIRECTORY:
case B_SYSTEM_SETTINGS_DIRECTORY:
case B_COMMON_DEVELOP_DIRECTORY:
case B_SYSTEM_LOG_DIRECTORY:
case B_SYSTEM_SPOOL_DIRECTORY:
case B_SYSTEM_TEMP_DIRECTORY:
case B_SYSTEM_VAR_DIRECTORY:
case B_COMMON_TRANSLATORS_DIRECTORY:
case B_COMMON_MEDIA_NODES_DIRECTORY:
case B_COMMON_SOUNDS_DIRECTORY:
case B_COMMON_DATA_DIRECTORY:
case B_SYSTEM_CACHE_DIRECTORY:
case B_COMMON_PACKAGES_DIRECTORY:
case B_COMMON_HEADERS_DIRECTORY:
case B_SYSTEM_NONPACKAGED_DIRECTORY:
case B_SYSTEM_NONPACKAGED_ADDONS_DIRECTORY:
case B_SYSTEM_NONPACKAGED_TRANSLATORS_DIRECTORY:
case B_SYSTEM_NONPACKAGED_MEDIA_NODES_DIRECTORY:
case B_SYSTEM_NONPACKAGED_BIN_DIRECTORY:
case B_SYSTEM_NONPACKAGED_DATA_DIRECTORY:
case B_SYSTEM_NONPACKAGED_FONTS_DIRECTORY:
case B_SYSTEM_NONPACKAGED_SOUNDS_DIRECTORY:
case B_SYSTEM_NONPACKAGED_DOCUMENTATION_DIRECTORY:
case B_SYSTEM_NONPACKAGED_LIB_DIRECTORY:
case B_SYSTEM_NONPACKAGED_HEADERS_DIRECTORY:
case B_SYSTEM_NONPACKAGED_DEVELOP_DIRECTORY:
templatePath = kCommonDirectories[which - B_COMMON_DIRECTORY];
break;
/* User directories */
case B_USER_DIRECTORY:
case B_USER_CONFIG_DIRECTORY:
case B_USER_ADDONS_DIRECTORY:
case B_USER_BOOT_DIRECTORY:
case B_USER_FONTS_DIRECTORY:
case B_USER_LIB_DIRECTORY:
case B_USER_SETTINGS_DIRECTORY:
case B_USER_DESKBAR_DIRECTORY:
case B_USER_PRINTERS_DIRECTORY:
case B_USER_TRANSLATORS_DIRECTORY:
case B_USER_MEDIA_NODES_DIRECTORY:
case B_USER_SOUNDS_DIRECTORY:
case B_USER_DATA_DIRECTORY:
case B_USER_CACHE_DIRECTORY:
case B_USER_PACKAGES_DIRECTORY:
case B_USER_HEADERS_DIRECTORY:
case B_USER_DEVELOP_DIRECTORY:
case B_USER_DOCUMENTATION_DIRECTORY:
case B_USER_NONPACKAGED_DIRECTORY:
case B_USER_NONPACKAGED_ADDONS_DIRECTORY:
case B_USER_NONPACKAGED_TRANSLATORS_DIRECTORY:
case B_USER_NONPACKAGED_MEDIA_NODES_DIRECTORY:
case B_USER_NONPACKAGED_BIN_DIRECTORY:
case B_USER_NONPACKAGED_DATA_DIRECTORY:
case B_USER_NONPACKAGED_FONTS_DIRECTORY:
case B_USER_NONPACKAGED_SOUNDS_DIRECTORY:
case B_USER_NONPACKAGED_DOCUMENTATION_DIRECTORY:
case B_USER_NONPACKAGED_LIB_DIRECTORY:
case B_USER_NONPACKAGED_HEADERS_DIRECTORY:
case B_USER_NONPACKAGED_DEVELOP_DIRECTORY:
templatePath = kUserDirectories[which - B_USER_DIRECTORY];
break;
/* Global directories */
case B_APPS_DIRECTORY:
templatePath = SYSTEM "/apps";
break;
case B_PREFERENCES_DIRECTORY:
templatePath = SYSTEM "/preferences";
break;
case B_UTILITIES_DIRECTORY:
templatePath = "utilities";
break;
case B_PACKAGE_LINKS_DIRECTORY:
templatePath = "packages";
break;
default:
free(buffer);
return EINVAL;
}
err = B_OK;
if (templatePath) {
if (!strncmp(templatePath, "$h", 2)) {
if (bootDevice > -1 && device != bootDevice) {
int l = pathLength - strlen(buffer);
if (l > 5)
strncat(buffer, "/home", 5);
} else {
#ifndef _KERNEL_MODE
#ifdef USE_PWENTS
struct passwd pwBuffer;
char pwStringBuffer[MAX_PASSWD_BUFFER_SIZE];
struct passwd *pw;
if (getpwuid_r(geteuid(), &pwBuffer, pwStringBuffer,
sizeof(pwStringBuffer), &pw) == 0
&& pw != NULL) {
home = pw->pw_dir;
}
#endif // USE_PWENTS
if (!home) {
/* use env var */
home = getenv("HOME");
}
#endif // !_KERNEL_MODE
if (!home)
home = kUserDirectory;
strncpy(buffer, home, pathLength);
}
templatePath += 2;
} else
strlcat(buffer, "/", pathLength);
if (!err && strlen(buffer) + 2 + strlen(templatePath)
< (uint32)pathLength) {
strcat(buffer, templatePath);
} else
err = err ? err : E2BIG;
} else
err = err ? err : ENOENT;
if (!err && createIt && stat(buffer, &st) < 0)
err = create_path(buffer, 0755);
if (!err)
strlcpy(returnedPath, buffer, pathLength);
free(buffer);
return err;
}