0
|
1
|
|
2 /*
|
|
3 * Copyright (C) Igor Sysoev
|
|
4 */
|
|
5
|
|
6
|
|
7 #include <ngx_config.h>
|
|
8 #include <ngx_core.h>
|
|
9
|
|
10
|
516
|
11 static ngx_atomic_t temp_number = 0;
|
|
12 ngx_atomic_t *ngx_temp_number = &temp_number;
|
|
13 ngx_atomic_int_t ngx_random_number = 123456;
|
0
|
14
|
|
15
|
42
|
16 ssize_t
|
|
17 ngx_write_chain_to_temp_file(ngx_temp_file_t *tf, ngx_chain_t *chain)
|
0
|
18 {
|
16
|
19 ngx_int_t rc;
|
0
|
20
|
|
21 if (tf->file.fd == NGX_INVALID_FILE) {
|
|
22 rc = ngx_create_temp_file(&tf->file, tf->path, tf->pool,
|
278
|
23 tf->persistent, tf->clean, tf->access);
|
0
|
24
|
|
25 if (rc == NGX_ERROR || rc == NGX_AGAIN) {
|
|
26 return rc;
|
|
27 }
|
|
28
|
216
|
29 if (tf->log_level) {
|
|
30 ngx_log_error(tf->log_level, tf->file.log, 0, "%s %V",
|
186
|
31 tf->warn, &tf->file.name);
|
0
|
32 }
|
|
33 }
|
|
34
|
|
35 return ngx_write_chain_to_file(&tf->file, chain, tf->offset, tf->pool);
|
|
36 }
|
|
37
|
|
38
|
42
|
39 ngx_int_t
|
|
40 ngx_create_temp_file(ngx_file_t *file, ngx_path_t *path, ngx_pool_t *pool,
|
278
|
41 ngx_uint_t persistent, ngx_uint_t clean, ngx_uint_t access)
|
0
|
42 {
|
282
|
43 uint32_t n;
|
58
|
44 ngx_err_t err;
|
112
|
45 ngx_pool_cleanup_t *cln;
|
|
46 ngx_pool_cleanup_file_t *clnf;
|
0
|
47
|
282
|
48 file->name.len = path->name.len + 1 + path->len + 10;
|
0
|
49
|
382
|
50 file->name.data = ngx_pnalloc(pool, file->name.len + 1);
|
50
|
51 if (file->name.data == NULL) {
|
16
|
52 return NGX_ERROR;
|
|
53 }
|
0
|
54
|
|
55 #if 0
|
|
56 for (i = 0; i < file->name.len; i++) {
|
|
57 file->name.data[i] = 'X';
|
|
58 }
|
|
59 #endif
|
|
60
|
|
61 ngx_memcpy(file->name.data, path->name.data, path->name.len);
|
|
62
|
282
|
63 n = (uint32_t) ngx_next_temp_number(0);
|
0
|
64
|
356
|
65 cln = ngx_pool_cleanup_add(pool, sizeof(ngx_pool_cleanup_file_t));
|
|
66 if (cln == NULL) {
|
|
67 return NGX_ERROR;
|
|
68 }
|
|
69
|
0
|
70 for ( ;; ) {
|
66
|
71 (void) ngx_sprintf(file->name.data + path->name.len + 1 + path->len,
|
282
|
72 "%010uD%Z", n);
|
0
|
73
|
356
|
74 ngx_create_hashed_filename(path, file->name.data, file->name.len);
|
0
|
75
|
356
|
76 ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0,
|
|
77 "hashed path: %s", file->name.data);
|
112
|
78
|
276
|
79 file->fd = ngx_open_tempfile(file->name.data, persistent, access);
|
0
|
80
|
|
81 ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0,
|
|
82 "temp fd:%d", file->fd);
|
|
83
|
|
84 if (file->fd != NGX_INVALID_FILE) {
|
112
|
85
|
278
|
86 cln->handler = clean ? ngx_pool_delete_file : ngx_pool_cleanup_file;
|
112
|
87 clnf = cln->data;
|
58
|
88
|
112
|
89 clnf->fd = file->fd;
|
|
90 clnf->name = file->name.data;
|
|
91 clnf->log = pool->log;
|
58
|
92
|
0
|
93 return NGX_OK;
|
|
94 }
|
|
95
|
|
96 err = ngx_errno;
|
|
97
|
|
98 if (err == NGX_EEXIST) {
|
282
|
99 n = (uint32_t) ngx_next_temp_number(1);
|
0
|
100 continue;
|
|
101 }
|
|
102
|
514
|
103 if ((path->level[0] == 0) || (err != NGX_ENOPATH)) {
|
0
|
104 ngx_log_error(NGX_LOG_CRIT, file->log, err,
|
|
105 ngx_open_tempfile_n " \"%s\" failed",
|
|
106 file->name.data);
|
|
107 return NGX_ERROR;
|
|
108 }
|
|
109
|
|
110 if (ngx_create_path(file, path) == NGX_ERROR) {
|
|
111 return NGX_ERROR;
|
|
112 }
|
|
113 }
|
|
114 }
|
|
115
|
|
116
|
42
|
117 void
|
356
|
118 ngx_create_hashed_filename(ngx_path_t *path, u_char *file, size_t len)
|
0
|
119 {
|
356
|
120 size_t i, level;
|
|
121 ngx_uint_t n;
|
0
|
122
|
356
|
123 i = path->name.len + 1;
|
0
|
124
|
356
|
125 file[path->name.len + path->len] = '/';
|
0
|
126
|
356
|
127 for (n = 0; n < 3; n++) {
|
|
128 level = path->level[n];
|
0
|
129
|
|
130 if (level == 0) {
|
|
131 break;
|
|
132 }
|
|
133
|
356
|
134 len -= level;
|
|
135 file[i - 1] = '/';
|
|
136 ngx_memcpy(&file[i], &file[len], level);
|
|
137 i += level + 1;
|
0
|
138 }
|
|
139 }
|
|
140
|
|
141
|
42
|
142 ngx_int_t
|
|
143 ngx_create_path(ngx_file_t *file, ngx_path_t *path)
|
0
|
144 {
|
66
|
145 size_t pos;
|
|
146 ngx_err_t err;
|
|
147 ngx_uint_t i;
|
0
|
148
|
|
149 pos = path->name.len;
|
|
150
|
|
151 for (i = 0; i < 3; i++) {
|
|
152 if (path->level[i] == 0) {
|
|
153 break;
|
|
154 }
|
|
155
|
|
156 pos += path->level[i] + 1;
|
|
157
|
|
158 file->name.data[pos] = '\0';
|
|
159
|
|
160 ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0,
|
|
161 "temp file: \"%s\"", file->name.data);
|
|
162
|
218
|
163 if (ngx_create_dir(file->name.data, 0700) == NGX_FILE_ERROR) {
|
0
|
164 err = ngx_errno;
|
|
165 if (err != NGX_EEXIST) {
|
|
166 ngx_log_error(NGX_LOG_CRIT, file->log, err,
|
|
167 ngx_create_dir_n " \"%s\" failed",
|
|
168 file->name.data);
|
|
169 return NGX_ERROR;
|
|
170 }
|
|
171 }
|
|
172
|
|
173 file->name.data[pos] = '/';
|
|
174 }
|
|
175
|
|
176 return NGX_OK;
|
|
177 }
|
|
178
|
|
179
|
186
|
180 ngx_err_t
|
218
|
181 ngx_create_full_path(u_char *dir, ngx_uint_t access)
|
186
|
182 {
|
|
183 u_char *p, ch;
|
|
184 ngx_err_t err;
|
|
185
|
536
|
186 err = 0;
|
|
187
|
|
188 #if (NGX_WIN32)
|
|
189 p = dir + 3;
|
|
190 #else
|
|
191 p = dir + 1;
|
|
192 #endif
|
|
193
|
|
194 for ( /* void */ ; *p; p++) {
|
186
|
195 ch = *p;
|
|
196
|
|
197 if (ch != '/') {
|
|
198 continue;
|
|
199 }
|
|
200
|
|
201 *p = '\0';
|
|
202
|
218
|
203 if (ngx_create_dir(dir, access) == NGX_FILE_ERROR) {
|
186
|
204 err = ngx_errno;
|
536
|
205
|
|
206 switch (err) {
|
|
207 case NGX_EEXIST:
|
|
208 err = 0;
|
|
209 case NGX_EACCES:
|
|
210 break;
|
|
211
|
|
212 default:
|
186
|
213 return err;
|
|
214 }
|
|
215 }
|
|
216
|
|
217 *p = '/';
|
|
218 }
|
|
219
|
536
|
220 return err;
|
186
|
221 }
|
|
222
|
|
223
|
44
|
224 ngx_atomic_uint_t
|
42
|
225 ngx_next_temp_number(ngx_uint_t collision)
|
0
|
226 {
|
516
|
227 ngx_atomic_uint_t n, add;
|
|
228
|
|
229 add = collision ? ngx_random_number : 1;
|
0
|
230
|
516
|
231 n = ngx_atomic_fetch_add(ngx_temp_number, add);
|
|
232
|
|
233 return n + add;
|
0
|
234 }
|
|
235
|
|
236
|
42
|
237 char *
|
|
238 ngx_conf_set_path_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
0
|
239 {
|
|
240 char *p = conf;
|
|
241
|
16
|
242 ssize_t level;
|
178
|
243 ngx_str_t *value;
|
0
|
244 ngx_uint_t i, n;
|
28
|
245 ngx_path_t *path, **slot;
|
0
|
246
|
16
|
247 slot = (ngx_path_t **) (p + cmd->offset);
|
0
|
248
|
16
|
249 if (*slot) {
|
0
|
250 return "is duplicate";
|
|
251 }
|
|
252
|
50
|
253 path = ngx_pcalloc(cf->pool, sizeof(ngx_path_t));
|
|
254 if (path == NULL) {
|
16
|
255 return NGX_CONF_ERROR;
|
|
256 }
|
0
|
257
|
16
|
258 value = cf->args->elts;
|
0
|
259
|
|
260 path->name = value[1];
|
178
|
261
|
210
|
262 if (path->name.data[path->name.len - 1] == '/') {
|
|
263 path->name.len--;
|
|
264 }
|
|
265
|
454
|
266 if (ngx_conf_full_name(cf->cycle, &path->name, 0) != NGX_OK) {
|
178
|
267 return NULL;
|
|
268 }
|
|
269
|
0
|
270 path->len = 0;
|
514
|
271 path->manager = NULL;
|
|
272 path->loader = NULL;
|
16
|
273 path->conf_file = cf->conf_file->file.name.data;
|
|
274 path->line = cf->conf_file->line;
|
0
|
275
|
|
276 for (i = 0, n = 2; n < cf->args->nelts; i++, n++) {
|
|
277 level = ngx_atoi(value[n].data, value[n].len);
|
|
278 if (level == NGX_ERROR || level == 0) {
|
|
279 return "invalid value";
|
|
280 }
|
|
281
|
|
282 path->level[i] = level;
|
|
283 path->len += level + 1;
|
|
284 }
|
|
285
|
|
286 while (i < 3) {
|
|
287 path->level[i++] = 0;
|
|
288 }
|
|
289
|
28
|
290 *slot = path;
|
16
|
291
|
28
|
292 if (ngx_add_path(cf, slot) == NGX_ERROR) {
|
|
293 return NGX_CONF_ERROR;
|
|
294 }
|
|
295
|
|
296 return NGX_CONF_OK;
|
|
297 }
|
|
298
|
|
299
|
318
|
300 char *
|
464
|
301 ngx_conf_merge_path_value(ngx_conf_t *cf, ngx_path_t **path, ngx_path_t *prev,
|
|
302 ngx_path_init_t *init)
|
|
303 {
|
|
304 if (*path) {
|
|
305 return NGX_CONF_OK;
|
|
306 }
|
|
307
|
|
308 if (prev) {
|
|
309 *path = prev;
|
|
310 return NGX_CONF_OK;
|
|
311 }
|
|
312
|
|
313 *path = ngx_palloc(cf->pool, sizeof(ngx_path_t));
|
|
314 if (*path == NULL) {
|
|
315 return NGX_CONF_ERROR;
|
|
316 }
|
|
317
|
|
318 (*path)->name = init->name;
|
|
319
|
|
320 if (ngx_conf_full_name(cf->cycle, &(*path)->name, 0) != NGX_OK) {
|
|
321 return NGX_CONF_ERROR;
|
|
322 }
|
|
323
|
|
324 (*path)->level[0] = init->level[0];
|
|
325 (*path)->level[1] = init->level[1];
|
|
326 (*path)->level[2] = init->level[2];
|
|
327
|
|
328 (*path)->len = init->level[0] + (init->level[0] ? 1 : 0)
|
|
329 + init->level[1] + (init->level[1] ? 1 : 0)
|
|
330 + init->level[2] + (init->level[2] ? 1 : 0);
|
|
331
|
468
|
332 (*path)->manager = NULL;
|
514
|
333 (*path)->loader = NULL;
|
464
|
334 (*path)->conf_file = NULL;
|
|
335
|
|
336 if (ngx_add_path(cf, path) != NGX_OK) {
|
|
337 return NGX_CONF_ERROR;
|
|
338 }
|
|
339
|
|
340 return NGX_CONF_OK;
|
|
341 }
|
|
342
|
|
343
|
|
344 char *
|
318
|
345 ngx_conf_set_access_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
346 {
|
|
347 char *confp = conf;
|
|
348
|
|
349 u_char *p;
|
|
350 ngx_str_t *value;
|
|
351 ngx_uint_t i, right, shift, *access;
|
|
352
|
|
353 access = (ngx_uint_t *) (confp + cmd->offset);
|
320
|
354
|
318
|
355 if (*access != NGX_CONF_UNSET_UINT) {
|
|
356 return "is duplicate";
|
|
357 }
|
320
|
358
|
318
|
359 value = cf->args->elts;
|
|
360
|
|
361 *access = 0600;
|
|
362
|
|
363 for (i = 1; i < cf->args->nelts; i++) {
|
|
364
|
|
365 p = value[i].data;
|
|
366
|
|
367 if (ngx_strncmp(p, "user:", sizeof("user:") - 1) == 0) {
|
|
368 shift = 6;
|
|
369 p += sizeof("user:") - 1;
|
|
370
|
|
371 } else if (ngx_strncmp(p, "group:", sizeof("group:") - 1) == 0) {
|
|
372 shift = 3;
|
|
373 p += sizeof("group:") - 1;
|
|
374
|
|
375 } else if (ngx_strncmp(p, "all:", sizeof("all:") - 1) == 0) {
|
|
376 shift = 0;
|
|
377 p += sizeof("all:") - 1;
|
|
378
|
|
379 } else {
|
|
380 goto invalid;
|
|
381 }
|
|
382
|
|
383 if (ngx_strcmp(p, "rw") == 0) {
|
|
384 right = 6;
|
|
385
|
|
386 } else if (ngx_strcmp(p, "r") == 0) {
|
|
387 right = 4;
|
|
388
|
|
389 } else {
|
|
390 goto invalid;
|
|
391 }
|
|
392
|
|
393 *access |= right << shift;
|
|
394 }
|
320
|
395
|
318
|
396 return NGX_CONF_OK;
|
|
397
|
|
398 invalid:
|
|
399
|
|
400 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid value \"%V\"", &value[i]);
|
|
401
|
|
402 return NGX_CONF_ERROR;
|
|
403 }
|
|
404
|
|
405
|
42
|
406 ngx_int_t
|
|
407 ngx_add_path(ngx_conf_t *cf, ngx_path_t **slot)
|
28
|
408 {
|
|
409 ngx_uint_t i, n;
|
|
410 ngx_path_t *path, **p;
|
|
411
|
|
412 path = *slot;
|
|
413
|
|
414 p = cf->cycle->pathes.elts;
|
16
|
415 for (i = 0; i < cf->cycle->pathes.nelts; i++) {
|
28
|
416 if (p[i]->name.len == path->name.len
|
|
417 && ngx_strcmp(p[i]->name.data, path->name.data) == 0)
|
16
|
418 {
|
|
419 for (n = 0; n < 3; n++) {
|
28
|
420 if (p[i]->level[n] != path->level[n]) {
|
|
421 if (path->conf_file == NULL) {
|
30
|
422 if (p[i]->conf_file == NULL) {
|
|
423 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
424 "the default path name \"%V\" has "
|
|
425 "the same name as another default path, "
|
|
426 "but the different levels, you need to "
|
|
427 "redefine one of them in http section",
|
|
428 &p[i]->name);
|
|
429 return NGX_ERROR;
|
|
430 }
|
|
431
|
28
|
432 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
433 "the path name \"%V\" in %s:%ui has "
|
30
|
434 "the same name as default path, but "
|
28
|
435 "the different levels, you need to "
|
|
436 "define default path in http section",
|
|
437 &p[i]->name, p[i]->conf_file, p[i]->line);
|
|
438 return NGX_ERROR;
|
|
439 }
|
|
440
|
16
|
441 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
28
|
442 "the same path name \"%V\" in %s:%ui "
|
|
443 "has the different levels than",
|
|
444 &p[i]->name, p[i]->conf_file, p[i]->line);
|
|
445 return NGX_ERROR;
|
16
|
446 }
|
|
447
|
28
|
448 if (p[i]->level[n] == 0) {
|
16
|
449 break;
|
|
450 }
|
|
451 }
|
|
452
|
28
|
453 *slot = p[i];
|
16
|
454
|
28
|
455 return NGX_OK;
|
16
|
456 }
|
|
457 }
|
|
458
|
50
|
459 p = ngx_array_push(&cf->cycle->pathes);
|
|
460 if (p == NULL) {
|
28
|
461 return NGX_ERROR;
|
16
|
462 }
|
|
463
|
28
|
464 *p = path;
|
0
|
465
|
28
|
466 return NGX_OK;
|
0
|
467 }
|
16
|
468
|
|
469
|
42
|
470 ngx_int_t
|
|
471 ngx_create_pathes(ngx_cycle_t *cycle, ngx_uid_t user)
|
16
|
472 {
|
|
473 ngx_err_t err;
|
|
474 ngx_uint_t i;
|
|
475 ngx_path_t **path;
|
|
476
|
|
477 path = cycle->pathes.elts;
|
|
478 for (i = 0; i < cycle->pathes.nelts; i++) {
|
|
479
|
218
|
480 if (ngx_create_dir(path[i]->name.data, 0700) == NGX_FILE_ERROR) {
|
16
|
481 err = ngx_errno;
|
|
482 if (err != NGX_EEXIST) {
|
|
483 ngx_log_error(NGX_LOG_EMERG, cycle->log, err,
|
|
484 ngx_create_dir_n " \"%s\" failed",
|
|
485 path[i]->name.data);
|
|
486 return NGX_ERROR;
|
|
487 }
|
|
488 }
|
|
489
|
66
|
490 if (user == (ngx_uid_t) NGX_CONF_UNSET_UINT) {
|
16
|
491 continue;
|
|
492 }
|
|
493
|
|
494 #if !(NGX_WIN32)
|
356
|
495 {
|
|
496 ngx_file_info_t fi;
|
16
|
497
|
484
|
498 if (ngx_file_info((const char *) path[i]->name.data, &fi)
|
|
499 == NGX_FILE_ERROR)
|
|
500 {
|
16
|
501 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
502 ngx_file_info_n " \"%s\" failed", path[i]->name.data);
|
|
503 return NGX_ERROR;
|
|
504 }
|
|
505
|
|
506 if (fi.st_uid != user) {
|
|
507 if (chown((const char *) path[i]->name.data, user, -1) == -1) {
|
|
508 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
509 "chown(\"%s\", %d) failed",
|
|
510 path[i]->name.data, user);
|
|
511 return NGX_ERROR;
|
|
512 }
|
|
513 }
|
|
514
|
|
515 if ((fi.st_mode & (S_IRUSR|S_IWUSR|S_IXUSR))
|
|
516 != (S_IRUSR|S_IWUSR|S_IXUSR))
|
|
517 {
|
|
518 fi.st_mode |= (S_IRUSR|S_IWUSR|S_IXUSR);
|
|
519
|
|
520 if (chmod((const char *) path[i]->name.data, fi.st_mode) == -1) {
|
|
521 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
522 "chmod() \"%s\" failed", path[i]->name.data);
|
|
523 return NGX_ERROR;
|
|
524 }
|
|
525 }
|
356
|
526 }
|
16
|
527 #endif
|
|
528 }
|
|
529
|
|
530 return NGX_OK;
|
|
531 }
|
272
|
532
|
|
533
|
|
534 ngx_int_t
|
362
|
535 ngx_ext_rename_file(ngx_str_t *src, ngx_str_t *to, ngx_ext_rename_file_t *ext)
|
356
|
536 {
|
514
|
537 u_char *name;
|
|
538 ngx_err_t err;
|
|
539 ngx_copy_file_t cf;
|
356
|
540
|
|
541 #if !(NGX_WIN32)
|
|
542
|
430
|
543 if (ext->access) {
|
|
544 if (ngx_change_file_access(src->data, ext->access) == NGX_FILE_ERROR) {
|
|
545 ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
|
|
546 ngx_change_file_access_n " \"%s\" failed", src->data);
|
|
547 err = 0;
|
|
548 goto failed;
|
|
549 }
|
356
|
550 }
|
|
551
|
|
552 #endif
|
|
553
|
362
|
554 if (ext->time != -1) {
|
|
555 if (ngx_set_file_time(src->data, ext->fd, ext->time) != NGX_OK) {
|
|
556 ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
|
|
557 ngx_set_file_time_n " \"%s\" failed", src->data);
|
|
558 err = 0;
|
|
559 goto failed;
|
|
560 }
|
|
561 }
|
|
562
|
356
|
563 if (ngx_rename_file(src->data, to->data) != NGX_FILE_ERROR) {
|
|
564 return NGX_OK;
|
|
565 }
|
|
566
|
|
567 err = ngx_errno;
|
|
568
|
514
|
569 if (err == NGX_ENOPATH) {
|
|
570
|
362
|
571 if (!ext->create_path) {
|
356
|
572 goto failed;
|
|
573 }
|
|
574
|
430
|
575 err = ngx_create_full_path(to->data, ngx_dir_access(ext->path_access));
|
356
|
576
|
|
577 if (err) {
|
362
|
578 ngx_log_error(NGX_LOG_CRIT, ext->log, err,
|
356
|
579 ngx_create_dir_n " \"%s\" failed", to->data);
|
|
580 err = 0;
|
|
581 goto failed;
|
|
582 }
|
|
583
|
|
584 if (ngx_rename_file(src->data, to->data) != NGX_FILE_ERROR) {
|
|
585 return NGX_OK;
|
|
586 }
|
|
587
|
|
588 err = ngx_errno;
|
|
589 }
|
|
590
|
|
591 #if (NGX_WIN32)
|
|
592
|
|
593 if (err == NGX_EEXIST) {
|
362
|
594 if (ngx_win32_rename_file(src, to, ext->log) == NGX_OK) {
|
356
|
595
|
|
596 if (ngx_rename_file(src->data, to->data) != NGX_FILE_ERROR) {
|
|
597 return NGX_OK;
|
|
598 }
|
|
599
|
|
600 err = ngx_errno;
|
|
601
|
|
602 } else {
|
|
603 err = 0;
|
|
604 }
|
|
605 }
|
|
606
|
|
607 #endif
|
|
608
|
514
|
609 if (err == NGX_EXDEV) {
|
|
610
|
|
611 cf.size = -1;
|
|
612 cf.buf_size = 0;
|
|
613 cf.access = ext->access;
|
|
614 cf.time = ext->time;
|
|
615 cf.log = ext->log;
|
|
616
|
516
|
617 name = ngx_alloc(to->len + 1 + 10 + 1, ext->log);
|
514
|
618 if (name == NULL) {
|
|
619 return NGX_ERROR;
|
|
620 }
|
|
621
|
516
|
622 (void) ngx_sprintf(name, "%*s.%010uD%Z", to->len, to->data,
|
514
|
623 (uint32_t) ngx_next_temp_number(0));
|
|
624
|
|
625 if (ngx_copy_file(src->data, name, &cf) == NGX_OK) {
|
|
626
|
516
|
627 if (ngx_rename_file(name, to->data) != NGX_FILE_ERROR) {
|
514
|
628 ngx_free(name);
|
516
|
629
|
|
630 if (ngx_delete_file(src->data) == NGX_FILE_ERROR) {
|
|
631 ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
|
|
632 ngx_delete_file_n " \"%s\" failed",
|
|
633 src->data);
|
|
634 return NGX_ERROR;
|
|
635 }
|
|
636
|
|
637 return NGX_OK;
|
514
|
638 }
|
|
639
|
516
|
640 ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
|
|
641 ngx_rename_file_n " \"%s\" to \"%s\" failed",
|
|
642 name, to->data);
|
514
|
643
|
516
|
644 if (ngx_delete_file(name) == NGX_FILE_ERROR) {
|
514
|
645 ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
|
516
|
646 ngx_delete_file_n " \"%s\" failed", name);
|
514
|
647
|
|
648 }
|
|
649 }
|
|
650
|
|
651 ngx_free(name);
|
516
|
652
|
|
653 err = 0;
|
514
|
654 }
|
|
655
|
356
|
656 failed:
|
|
657
|
366
|
658 if (ext->delete_file) {
|
356
|
659 if (ngx_delete_file(src->data) == NGX_FILE_ERROR) {
|
362
|
660 ngx_log_error(NGX_LOG_CRIT, ext->log, ngx_errno,
|
356
|
661 ngx_delete_file_n " \"%s\" failed", src->data);
|
|
662 }
|
|
663 }
|
|
664
|
514
|
665 if (err) {
|
362
|
666 ngx_log_error(NGX_LOG_CRIT, ext->log, err,
|
356
|
667 ngx_rename_file_n " \"%s\" to \"%s\" failed",
|
|
668 src->data, to->data);
|
|
669 }
|
|
670
|
514
|
671 return NGX_ERROR;
|
|
672 }
|
|
673
|
|
674
|
|
675 ngx_int_t
|
|
676 ngx_copy_file(u_char *from, u_char *to, ngx_copy_file_t *cf)
|
|
677 {
|
|
678 char *buf;
|
|
679 off_t size;
|
|
680 size_t len;
|
|
681 ssize_t n;
|
|
682 ngx_fd_t fd, nfd;
|
|
683 ngx_int_t rc;
|
|
684 ngx_file_info_t fi;
|
|
685
|
|
686 rc = NGX_ERROR;
|
|
687 buf = NULL;
|
|
688 nfd = NGX_INVALID_FILE;
|
|
689
|
|
690 fd = ngx_open_file(from, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0);
|
|
691
|
|
692 if (fd == NGX_INVALID_FILE) {
|
|
693 ngx_log_error(NGX_LOG_CRIT, cf->log, ngx_errno,
|
|
694 ngx_open_file_n " \"%s\" failed", from);
|
|
695 goto failed;
|
|
696 }
|
|
697
|
|
698 if (cf->size != -1) {
|
|
699 size = cf->size;
|
|
700
|
|
701 } else {
|
|
702 if (ngx_fd_info(fd, &fi) == NGX_FILE_ERROR) {
|
|
703 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
704 ngx_fd_info_n " \"%s\" failed", from);
|
|
705
|
|
706 goto failed;
|
|
707 }
|
|
708
|
|
709 size = ngx_file_size(&fi);
|
|
710 }
|
|
711
|
|
712 len = cf->buf_size ? cf->buf_size : 65536;
|
|
713
|
|
714 if ((off_t) len > size) {
|
|
715 len = (size_t) size;
|
|
716 }
|
|
717
|
|
718 buf = ngx_alloc(len, cf->log);
|
|
719 if (buf == NULL) {
|
|
720 goto failed;
|
|
721 }
|
|
722
|
|
723 nfd = ngx_open_file(to, NGX_FILE_WRONLY, NGX_FILE_CREATE_OR_OPEN,
|
|
724 cf->access);
|
|
725
|
|
726 if (nfd == NGX_INVALID_FILE) {
|
|
727 ngx_log_error(NGX_LOG_CRIT, cf->log, ngx_errno,
|
|
728 ngx_open_file_n " \"%s\" failed", to);
|
|
729 goto failed;
|
|
730 }
|
|
731
|
|
732 while (size > 0) {
|
430
|
733
|
514
|
734 if ((off_t) len > size) {
|
|
735 len = (size_t) size;
|
|
736 }
|
|
737
|
|
738 n = ngx_read_fd(fd, buf, len);
|
|
739
|
|
740 if (n == NGX_FILE_ERROR) {
|
|
741 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
742 ngx_read_fd_n " \"%s\" failed", from);
|
|
743 goto failed;
|
|
744 }
|
|
745
|
|
746 if ((size_t) n != len) {
|
|
747 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
748 ngx_read_fd_n " has read only %z of %uz from %s",
|
|
749 n, size, from);
|
|
750 goto failed;
|
|
751 }
|
|
752
|
|
753 n = ngx_write_fd(nfd, buf, len);
|
|
754
|
|
755 if (n == NGX_FILE_ERROR) {
|
|
756 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
757 ngx_write_fd_n " \"%s\" failed", to);
|
|
758 goto failed;
|
|
759 }
|
|
760
|
|
761 if ((size_t) n != len) {
|
|
762 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
763 ngx_write_fd_n " has written only %z of %uz to %s",
|
|
764 n, size, to);
|
|
765 goto failed;
|
|
766 }
|
|
767
|
|
768 size -= n;
|
|
769 }
|
|
770
|
|
771 if (ngx_set_file_time(to, nfd, cf->time) != NGX_OK) {
|
|
772 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
773 ngx_set_file_time_n " \"%s\" failed", to);
|
|
774 goto failed;
|
|
775 }
|
|
776
|
|
777 rc = NGX_OK;
|
|
778
|
|
779 failed:
|
|
780
|
|
781 if (nfd != NGX_INVALID_FILE) {
|
|
782 if (ngx_close_file(nfd) == NGX_FILE_ERROR) {
|
|
783 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
784 ngx_close_file_n " \"%s\" failed", to);
|
|
785 }
|
|
786 }
|
|
787
|
|
788 if (fd != NGX_INVALID_FILE) {
|
|
789 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
790 ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno,
|
|
791 ngx_close_file_n " \"%s\" failed", from);
|
|
792 }
|
|
793 }
|
|
794
|
|
795 if (buf) {
|
|
796 ngx_free(buf);
|
|
797 }
|
|
798
|
|
799 return rc;
|
356
|
800 }
|
|
801
|
|
802
|
|
803 /*
|
|
804 * ctx->init_handler() - see ctx->alloc
|
|
805 * ctx->file_handler() - file handler
|
|
806 * ctx->pre_tree_handler() - handler is called before entering directory
|
|
807 * ctx->post_tree_handler() - handler is called after leaving directory
|
|
808 * ctx->spec_handler() - special (socket, FIFO, etc.) file handler
|
|
809 *
|
|
810 * ctx->data - some data structure, it may be the same on all levels, or
|
|
811 * reallocated if ctx->alloc is nonzero
|
|
812 *
|
|
813 * ctx->alloc - a size of data structure that is allocated at every level
|
|
814 * and is initilialized by ctx->init_handler()
|
|
815 *
|
|
816 * ctx->log - a log
|
|
817 *
|
|
818 * on fatal (memory) error handler must return NGX_ABORT to stop walking tree
|
|
819 */
|
|
820
|
|
821 ngx_int_t
|
272
|
822 ngx_walk_tree(ngx_tree_ctx_t *ctx, ngx_str_t *tree)
|
|
823 {
|
|
824 void *data, *prev;
|
|
825 u_char *p, *name;
|
|
826 size_t len;
|
|
827 ngx_int_t rc;
|
|
828 ngx_err_t err;
|
|
829 ngx_str_t file, buf;
|
|
830 ngx_dir_t dir;
|
|
831
|
|
832 buf.len = 0;
|
|
833 buf.data = NULL;
|
|
834
|
|
835 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
|
|
836 "walk tree \"%V\"", tree);
|
|
837
|
|
838 if (ngx_open_dir(tree, &dir) == NGX_ERROR) {
|
|
839 ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,
|
|
840 ngx_open_dir_n " \"%s\" failed", tree->data);
|
|
841 return NGX_ERROR;
|
|
842 }
|
|
843
|
|
844 prev = ctx->data;
|
|
845
|
276
|
846 if (ctx->alloc) {
|
|
847 data = ngx_alloc(ctx->alloc, ctx->log);
|
272
|
848 if (data == NULL) {
|
|
849 goto failed;
|
|
850 }
|
|
851
|
|
852 if (ctx->init_handler(data, prev) == NGX_ABORT) {
|
|
853 goto failed;
|
|
854 }
|
|
855
|
|
856 ctx->data = data;
|
322
|
857
|
|
858 } else {
|
|
859 data = NULL;
|
272
|
860 }
|
|
861
|
|
862 for ( ;; ) {
|
|
863
|
|
864 ngx_set_errno(0);
|
|
865
|
|
866 if (ngx_read_dir(&dir) == NGX_ERROR) {
|
|
867 err = ngx_errno;
|
|
868
|
|
869 if (err == NGX_ENOMOREFILES) {
|
|
870 rc = NGX_OK;
|
|
871
|
|
872 } else {
|
|
873 ngx_log_error(NGX_LOG_CRIT, ctx->log, err,
|
|
874 ngx_read_dir_n " \"%s\" failed", tree->data);
|
|
875 rc = NGX_ERROR;
|
|
876 }
|
|
877
|
|
878 goto done;
|
|
879 }
|
|
880
|
|
881 len = ngx_de_namelen(&dir);
|
|
882 name = ngx_de_name(&dir);
|
|
883
|
|
884 ngx_log_debug2(NGX_LOG_DEBUG_CORE, ctx->log, 0,
|
|
885 "tree name %uz:\"%s\"", len, name);
|
|
886
|
|
887 if (len == 1 && name[0] == '.') {
|
|
888 continue;
|
|
889 }
|
|
890
|
|
891 if (len == 2 && name[0] == '.' && name[1] == '.') {
|
|
892 continue;
|
|
893 }
|
|
894
|
|
895 file.len = tree->len + 1 + len;
|
|
896
|
|
897 if (file.len + NGX_DIR_MASK_LEN > buf.len) {
|
|
898
|
|
899 if (buf.len) {
|
|
900 ngx_free(buf.data);
|
|
901 }
|
|
902
|
|
903 buf.len = tree->len + 1 + len + NGX_DIR_MASK_LEN;
|
|
904
|
|
905 buf.data = ngx_alloc(buf.len + 1, ctx->log);
|
|
906 if (buf.data == NULL) {
|
|
907 goto failed;
|
|
908 }
|
|
909 }
|
|
910
|
|
911 p = ngx_cpymem(buf.data, tree->data, tree->len);
|
|
912 *p++ = '/';
|
|
913 ngx_memcpy(p, name, len + 1);
|
|
914
|
|
915 file.data = buf.data;
|
|
916
|
|
917 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
|
|
918 "tree path \"%s\"", file.data);
|
|
919
|
|
920 if (!dir.valid_info) {
|
|
921 if (ngx_de_info(file.data, &dir) == NGX_FILE_ERROR) {
|
|
922 ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,
|
|
923 ngx_de_info_n " \"%s\" failed", file.data);
|
|
924 continue;
|
|
925 }
|
|
926 }
|
|
927
|
|
928 if (ngx_de_is_file(&dir)) {
|
|
929
|
|
930 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
|
|
931 "tree file \"%s\"", file.data);
|
|
932
|
276
|
933 ctx->size = ngx_de_size(&dir);
|
|
934 ctx->access = ngx_de_access(&dir);
|
|
935 ctx->mtime = ngx_de_mtime(&dir);
|
|
936
|
272
|
937 if (ctx->file_handler(ctx, &file) == NGX_ABORT) {
|
|
938 goto failed;
|
|
939 }
|
|
940
|
|
941 } else if (ngx_de_is_dir(&dir)) {
|
|
942
|
|
943 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
|
|
944 "tree enter dir \"%s\"", file.data);
|
|
945
|
276
|
946 ctx->access = ngx_de_access(&dir);
|
|
947 ctx->mtime = ngx_de_mtime(&dir);
|
|
948
|
272
|
949 if (ctx->pre_tree_handler(ctx, &file) == NGX_ABORT) {
|
|
950 goto failed;
|
|
951 }
|
|
952
|
|
953 if (ngx_walk_tree(ctx, &file) == NGX_ABORT) {
|
|
954 goto failed;
|
|
955 }
|
|
956
|
276
|
957 ctx->access = ngx_de_access(&dir);
|
|
958 ctx->mtime = ngx_de_mtime(&dir);
|
|
959
|
272
|
960 if (ctx->post_tree_handler(ctx, &file) == NGX_ABORT) {
|
|
961 goto failed;
|
|
962 }
|
|
963
|
|
964 } else {
|
|
965
|
|
966 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
|
|
967 "tree special \"%s\"", file.data);
|
|
968
|
|
969 if (ctx->spec_handler(ctx, &file) == NGX_ABORT) {
|
|
970 goto failed;
|
|
971 }
|
|
972 }
|
|
973 }
|
|
974
|
|
975 failed:
|
|
976
|
|
977 rc = NGX_ABORT;
|
|
978
|
|
979 done:
|
|
980
|
|
981 if (buf.len) {
|
|
982 ngx_free(buf.data);
|
|
983 }
|
|
984
|
322
|
985 if (data) {
|
|
986 ngx_free(data);
|
272
|
987 ctx->data = prev;
|
|
988 }
|
|
989
|
|
990 if (ngx_close_dir(&dir) == NGX_ERROR) {
|
|
991 ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,
|
|
992 ngx_close_dir_n " \"%s\" failed", tree->data);
|
|
993 }
|
|
994
|
|
995 return rc;
|
|
996 }
|