|
0
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Igor Sysoev
|
|
|
4 */
|
|
|
5
|
|
|
6
|
|
|
7 #include <ngx_config.h>
|
|
|
8 #include <ngx_core.h>
|
|
|
9
|
|
|
10
|
|
42
|
11 static ngx_atomic_int_t ngx_temp_number;
|
|
|
12 static ngx_atomic_int_t ngx_random;
|
|
0
|
13
|
|
|
14
|
|
42
|
15 ssize_t
|
|
|
16 ngx_write_chain_to_temp_file(ngx_temp_file_t *tf, ngx_chain_t *chain)
|
|
0
|
17 {
|
|
16
|
18 ngx_int_t rc;
|
|
0
|
19
|
|
|
20 if (tf->file.fd == NGX_INVALID_FILE) {
|
|
|
21 rc = ngx_create_temp_file(&tf->file, tf->path, tf->pool,
|
|
|
22 tf->persistent);
|
|
|
23
|
|
|
24 if (rc == NGX_ERROR || rc == NGX_AGAIN) {
|
|
|
25 return rc;
|
|
|
26 }
|
|
|
27
|
|
|
28 if (!tf->persistent && tf->warn) {
|
|
|
29 ngx_log_error(NGX_LOG_WARN, tf->file.log, 0, tf->warn);
|
|
|
30 }
|
|
|
31 }
|
|
|
32
|
|
|
33 return ngx_write_chain_to_file(&tf->file, chain, tf->offset, tf->pool);
|
|
|
34 }
|
|
|
35
|
|
|
36
|
|
42
|
37 ngx_int_t
|
|
|
38 ngx_create_temp_file(ngx_file_t *file, ngx_path_t *path, ngx_pool_t *pool,
|
|
|
39 int persistent)
|
|
0
|
40 {
|
|
42
|
41 ngx_err_t err;
|
|
|
42 ngx_atomic_int_t n;
|
|
0
|
43
|
|
42
|
44 file->name.len = path->name.len + 1 + path->len + NGX_ATOMIC_T_LEN;
|
|
0
|
45
|
|
16
|
46 if (!(file->name.data = ngx_palloc(pool, file->name.len + 1))) {
|
|
|
47 return NGX_ERROR;
|
|
|
48 }
|
|
0
|
49
|
|
|
50 #if 0
|
|
|
51 for (i = 0; i < file->name.len; i++) {
|
|
|
52 file->name.data[i] = 'X';
|
|
|
53 }
|
|
|
54 #endif
|
|
|
55
|
|
|
56 ngx_memcpy(file->name.data, path->name.data, path->name.len);
|
|
|
57
|
|
42
|
58 n = ngx_next_temp_number(0);
|
|
0
|
59
|
|
|
60 for ( ;; ) {
|
|
10
|
61 ngx_sprintf(file->name.data + path->name.len + 1 + path->len,
|
|
42
|
62 "%0muA%Z", n);
|
|
0
|
63
|
|
|
64 ngx_create_hashed_filename(file, path);
|
|
|
65
|
|
|
66 #if 1
|
|
|
67 file->fd = ngx_open_tempfile(file->name.data, persistent);
|
|
|
68 #else
|
|
|
69 file->fd = ngx_open_tempfile(file->name.data, 1);
|
|
|
70 #endif
|
|
|
71
|
|
|
72 ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0,
|
|
|
73 "temp fd:%d", file->fd);
|
|
|
74
|
|
|
75 if (file->fd != NGX_INVALID_FILE) {
|
|
|
76 return NGX_OK;
|
|
|
77 }
|
|
|
78
|
|
|
79 err = ngx_errno;
|
|
|
80
|
|
|
81 if (err == NGX_EEXIST) {
|
|
42
|
82 n = ngx_next_temp_number(1);
|
|
0
|
83 continue;
|
|
|
84 }
|
|
|
85
|
|
|
86 if ((path->level[0] == 0)
|
|
|
87 || (err != NGX_ENOENT
|
|
10
|
88 #if (NGX_WIN32)
|
|
0
|
89 && err != NGX_ENOTDIR
|
|
|
90 #endif
|
|
16
|
91 ))
|
|
|
92 {
|
|
0
|
93 ngx_log_error(NGX_LOG_CRIT, file->log, err,
|
|
|
94 ngx_open_tempfile_n " \"%s\" failed",
|
|
|
95 file->name.data);
|
|
|
96 return NGX_ERROR;
|
|
|
97 }
|
|
|
98
|
|
|
99 if (ngx_create_path(file, path) == NGX_ERROR) {
|
|
|
100 return NGX_ERROR;
|
|
|
101 }
|
|
|
102 }
|
|
|
103 }
|
|
|
104
|
|
|
105
|
|
42
|
106 void
|
|
|
107 ngx_create_hashed_filename(ngx_file_t *file, ngx_path_t *path)
|
|
0
|
108 {
|
|
16
|
109 ngx_uint_t i, name, pos, level;
|
|
0
|
110
|
|
|
111 name = file->name.len;
|
|
|
112 pos = path->name.len + 1;
|
|
|
113
|
|
|
114 file->name.data[path->name.len + path->len] = '/';
|
|
|
115
|
|
|
116 for (i = 0; i < 3; i++) {
|
|
|
117 level = path->level[i];
|
|
|
118
|
|
|
119 if (level == 0) {
|
|
|
120 break;
|
|
|
121 }
|
|
|
122
|
|
|
123 name -= level;
|
|
|
124 file->name.data[pos - 1] = '/';
|
|
|
125 ngx_memcpy(&file->name.data[pos], &file->name.data[name], level);
|
|
|
126 pos += level + 1;
|
|
|
127 }
|
|
|
128
|
|
|
129 ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0,
|
|
|
130 "hashed path: %s", file->name.data);
|
|
|
131 }
|
|
|
132
|
|
|
133
|
|
42
|
134 ngx_int_t
|
|
|
135 ngx_create_path(ngx_file_t *file, ngx_path_t *path)
|
|
0
|
136 {
|
|
|
137 int i, pos;
|
|
|
138 ngx_err_t err;
|
|
|
139
|
|
|
140 pos = path->name.len;
|
|
|
141
|
|
|
142 for (i = 0; i < 3; i++) {
|
|
|
143 if (path->level[i] == 0) {
|
|
|
144 break;
|
|
|
145 }
|
|
|
146
|
|
|
147 pos += path->level[i] + 1;
|
|
|
148
|
|
|
149 file->name.data[pos] = '\0';
|
|
|
150
|
|
|
151 ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0,
|
|
|
152 "temp file: \"%s\"", file->name.data);
|
|
|
153
|
|
|
154 if (ngx_create_dir(file->name.data) == NGX_FILE_ERROR) {
|
|
|
155 err = ngx_errno;
|
|
|
156 if (err != NGX_EEXIST) {
|
|
|
157 ngx_log_error(NGX_LOG_CRIT, file->log, err,
|
|
|
158 ngx_create_dir_n " \"%s\" failed",
|
|
|
159 file->name.data);
|
|
|
160 return NGX_ERROR;
|
|
|
161 }
|
|
|
162 }
|
|
|
163
|
|
|
164 file->name.data[pos] = '/';
|
|
|
165 }
|
|
|
166
|
|
|
167 return NGX_OK;
|
|
|
168 }
|
|
|
169
|
|
|
170
|
|
42
|
171 void
|
|
|
172 ngx_init_temp_number()
|
|
0
|
173 {
|
|
42
|
174 ngx_temp_number = 0;
|
|
|
175 ngx_random = 123456;
|
|
0
|
176 }
|
|
|
177
|
|
|
178
|
|
42
|
179 ngx_atomic_int_t
|
|
|
180 ngx_next_temp_number(ngx_uint_t collision)
|
|
0
|
181 {
|
|
|
182 if (collision) {
|
|
|
183 ngx_temp_number += ngx_random;
|
|
|
184 }
|
|
|
185
|
|
|
186 return ngx_temp_number++;
|
|
|
187 }
|
|
|
188
|
|
|
189
|
|
42
|
190 char *
|
|
|
191 ngx_conf_set_path_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
0
|
192 {
|
|
|
193 char *p = conf;
|
|
|
194
|
|
16
|
195 ssize_t level;
|
|
0
|
196 ngx_uint_t i, n;
|
|
|
197 ngx_str_t *value;
|
|
28
|
198 ngx_path_t *path, **slot;
|
|
0
|
199
|
|
16
|
200 slot = (ngx_path_t **) (p + cmd->offset);
|
|
0
|
201
|
|
16
|
202 if (*slot) {
|
|
0
|
203 return "is duplicate";
|
|
|
204 }
|
|
|
205
|
|
16
|
206 if (!(path = ngx_pcalloc(cf->pool, sizeof(ngx_path_t)))) {
|
|
|
207 return NGX_CONF_ERROR;
|
|
|
208 }
|
|
0
|
209
|
|
16
|
210 value = cf->args->elts;
|
|
0
|
211
|
|
|
212 path->name = value[1];
|
|
|
213 path->len = 0;
|
|
28
|
214 path->cleaner = (ngx_gc_handler_pt) cmd->post;
|
|
16
|
215 path->conf_file = cf->conf_file->file.name.data;
|
|
|
216 path->line = cf->conf_file->line;
|
|
0
|
217
|
|
|
218 for (i = 0, n = 2; n < cf->args->nelts; i++, n++) {
|
|
|
219 level = ngx_atoi(value[n].data, value[n].len);
|
|
|
220 if (level == NGX_ERROR || level == 0) {
|
|
|
221 return "invalid value";
|
|
|
222 }
|
|
|
223
|
|
|
224 path->level[i] = level;
|
|
|
225 path->len += level + 1;
|
|
|
226 }
|
|
|
227
|
|
|
228 while (i < 3) {
|
|
|
229 path->level[i++] = 0;
|
|
|
230 }
|
|
|
231
|
|
28
|
232 *slot = path;
|
|
16
|
233
|
|
28
|
234 if (ngx_add_path(cf, slot) == NGX_ERROR) {
|
|
|
235 return NGX_CONF_ERROR;
|
|
|
236 }
|
|
|
237
|
|
|
238 return NGX_CONF_OK;
|
|
|
239 }
|
|
|
240
|
|
|
241
|
|
42
|
242 ngx_int_t
|
|
|
243 ngx_add_path(ngx_conf_t *cf, ngx_path_t **slot)
|
|
28
|
244 {
|
|
|
245 ngx_uint_t i, n;
|
|
|
246 ngx_path_t *path, **p;
|
|
|
247
|
|
|
248 path = *slot;
|
|
|
249
|
|
|
250 p = cf->cycle->pathes.elts;
|
|
16
|
251 for (i = 0; i < cf->cycle->pathes.nelts; i++) {
|
|
28
|
252 if (p[i]->name.len == path->name.len
|
|
|
253 && ngx_strcmp(p[i]->name.data, path->name.data) == 0)
|
|
16
|
254 {
|
|
|
255 for (n = 0; n < 3; n++) {
|
|
28
|
256 if (p[i]->level[n] != path->level[n]) {
|
|
|
257 if (path->conf_file == NULL) {
|
|
30
|
258 if (p[i]->conf_file == NULL) {
|
|
|
259 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
260 "the default path name \"%V\" has "
|
|
|
261 "the same name as another default path, "
|
|
|
262 "but the different levels, you need to "
|
|
|
263 "redefine one of them in http section",
|
|
|
264 &p[i]->name);
|
|
|
265 return NGX_ERROR;
|
|
|
266 }
|
|
|
267
|
|
28
|
268 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
269 "the path name \"%V\" in %s:%ui has "
|
|
30
|
270 "the same name as default path, but "
|
|
28
|
271 "the different levels, you need to "
|
|
|
272 "define default path in http section",
|
|
|
273 &p[i]->name, p[i]->conf_file, p[i]->line);
|
|
|
274 return NGX_ERROR;
|
|
|
275 }
|
|
|
276
|
|
16
|
277 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
28
|
278 "the same path name \"%V\" in %s:%ui "
|
|
|
279 "has the different levels than",
|
|
|
280 &p[i]->name, p[i]->conf_file, p[i]->line);
|
|
|
281 return NGX_ERROR;
|
|
16
|
282 }
|
|
|
283
|
|
28
|
284 if (p[i]->level[n] == 0) {
|
|
16
|
285 break;
|
|
|
286 }
|
|
|
287 }
|
|
|
288
|
|
28
|
289 *slot = p[i];
|
|
16
|
290
|
|
28
|
291 return NGX_OK;
|
|
16
|
292 }
|
|
|
293 }
|
|
|
294
|
|
28
|
295 if (!(p = ngx_array_push(&cf->cycle->pathes))) {
|
|
|
296 return NGX_ERROR;
|
|
16
|
297 }
|
|
|
298
|
|
28
|
299 *p = path;
|
|
0
|
300
|
|
28
|
301 return NGX_OK;
|
|
0
|
302 }
|
|
16
|
303
|
|
|
304
|
|
42
|
305 ngx_int_t
|
|
|
306 ngx_create_pathes(ngx_cycle_t *cycle, ngx_uid_t user)
|
|
16
|
307 {
|
|
|
308 ngx_err_t err;
|
|
|
309 ngx_uint_t i;
|
|
|
310 ngx_path_t **path;
|
|
|
311 #if !(NGX_WIN32)
|
|
|
312 ngx_file_info_t fi;
|
|
|
313 #endif
|
|
|
314
|
|
|
315 path = cycle->pathes.elts;
|
|
|
316 for (i = 0; i < cycle->pathes.nelts; i++) {
|
|
|
317
|
|
|
318 if (ngx_create_dir(path[i]->name.data) == NGX_FILE_ERROR) {
|
|
|
319 err = ngx_errno;
|
|
|
320 if (err != NGX_EEXIST) {
|
|
|
321 ngx_log_error(NGX_LOG_EMERG, cycle->log, err,
|
|
|
322 ngx_create_dir_n " \"%s\" failed",
|
|
|
323 path[i]->name.data);
|
|
|
324 return NGX_ERROR;
|
|
|
325 }
|
|
|
326 }
|
|
|
327
|
|
|
328 if (user == (ngx_uid_t) -1) {
|
|
|
329 continue;
|
|
|
330 }
|
|
|
331
|
|
|
332 #if !(NGX_WIN32)
|
|
|
333
|
|
|
334 if (ngx_file_info((const char *) path[i]->name.data, &fi) == -1) {
|
|
|
335 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
336 ngx_file_info_n " \"%s\" failed", path[i]->name.data);
|
|
|
337 return NGX_ERROR;
|
|
|
338 }
|
|
|
339
|
|
|
340 if (fi.st_uid != user) {
|
|
|
341 if (chown((const char *) path[i]->name.data, user, -1) == -1) {
|
|
|
342 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
343 "chown(\"%s\", %d) failed",
|
|
|
344 path[i]->name.data, user);
|
|
|
345 return NGX_ERROR;
|
|
|
346 }
|
|
|
347 }
|
|
|
348
|
|
|
349 if ((fi.st_mode & (S_IRUSR|S_IWUSR|S_IXUSR))
|
|
|
350 != (S_IRUSR|S_IWUSR|S_IXUSR))
|
|
|
351 {
|
|
|
352 fi.st_mode |= (S_IRUSR|S_IWUSR|S_IXUSR);
|
|
|
353
|
|
|
354 if (chmod((const char *) path[i]->name.data, fi.st_mode) == -1) {
|
|
|
355 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
356 "chmod() \"%s\" failed", path[i]->name.data);
|
|
|
357 return NGX_ERROR;
|
|
|
358 }
|
|
|
359 }
|
|
|
360
|
|
|
361 #endif
|
|
|
362 }
|
|
|
363
|
|
|
364 return NGX_OK;
|
|
|
365 }
|
