457
|
1
|
|
2 /*
|
|
3 * Copyright (C) Igor Sysoev
|
|
4 */
|
|
5
|
|
6
|
|
7 #include <ngx_config.h>
|
|
8 #include <ngx_core.h>
|
|
9 #include <ngx_http.h>
|
|
10
|
|
11
|
|
12 #if 0
|
|
13
|
|
14 typedef struct {
|
|
15 ngx_buf_t *buf;
|
|
16 size_t size;
|
|
17 ngx_pool_t *pool;
|
|
18 size_t alloc_size;
|
|
19 ngx_chain_t **last_out;
|
|
20 } ngx_http_autoindex_ctx_t;
|
|
21
|
|
22 #endif
|
|
23
|
|
24
|
|
25 typedef struct {
|
|
26 ngx_str_t name;
|
461
|
27 ngx_uint_t escape;
|
457
|
28 ngx_uint_t dir;
|
|
29 time_t mtime;
|
|
30 off_t size;
|
|
31 } ngx_http_autoindex_entry_t;
|
|
32
|
|
33
|
|
34 typedef struct {
|
|
35 ngx_flag_t enable;
|
|
36 } ngx_http_autoindex_loc_conf_t;
|
|
37
|
|
38
|
|
39 #define NGX_HTTP_AUTOINDEX_NAME_LEN 50
|
|
40
|
|
41
|
|
42 static int ngx_http_autoindex_cmp_entries(const void *one, const void *two);
|
|
43 static ngx_int_t ngx_http_autoindex_error(ngx_http_request_t *r, ngx_dir_t *dir,
|
|
44 u_char *name);
|
|
45 static ngx_int_t ngx_http_autoindex_init(ngx_cycle_t *cycle);
|
|
46 static void *ngx_http_autoindex_create_loc_conf(ngx_conf_t *cf);
|
|
47 static char *ngx_http_autoindex_merge_loc_conf(ngx_conf_t *cf,
|
|
48 void *parent, void *child);
|
|
49
|
|
50
|
|
51 static ngx_command_t ngx_http_autoindex_commands[] = {
|
|
52
|
|
53 { ngx_string("autoindex"),
|
|
54 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
55 ngx_conf_set_flag_slot,
|
|
56 NGX_HTTP_LOC_CONF_OFFSET,
|
|
57 offsetof(ngx_http_autoindex_loc_conf_t, enable),
|
|
58 NULL },
|
|
59
|
|
60 ngx_null_command
|
|
61 };
|
|
62
|
|
63
|
|
64 ngx_http_module_t ngx_http_autoindex_module_ctx = {
|
|
65 NULL, /* pre conf */
|
|
66
|
|
67 NULL, /* create main configuration */
|
|
68 NULL, /* init main configuration */
|
|
69
|
|
70 NULL, /* create server configuration */
|
|
71 NULL, /* merge server configuration */
|
|
72
|
|
73 ngx_http_autoindex_create_loc_conf, /* create location configration */
|
|
74 ngx_http_autoindex_merge_loc_conf /* merge location configration */
|
|
75 };
|
|
76
|
|
77
|
|
78 ngx_module_t ngx_http_autoindex_module = {
|
|
79 NGX_MODULE,
|
|
80 &ngx_http_autoindex_module_ctx, /* module context */
|
|
81 ngx_http_autoindex_commands, /* module directives */
|
|
82 NGX_HTTP_MODULE, /* module type */
|
|
83 ngx_http_autoindex_init, /* init module */
|
|
84 NULL /* init child */
|
|
85 };
|
|
86
|
|
87
|
|
88 static u_char title[] =
|
|
89 "<html>" CRLF
|
|
90 "<head><title>Index of "
|
|
91 ;
|
|
92
|
|
93
|
|
94 static u_char header[] =
|
|
95 "</title></head>" CRLF
|
|
96 "<body bgcolor=\"white\">" CRLF
|
|
97 "<h1>Index of "
|
|
98 ;
|
|
99
|
|
100 static u_char tail[] =
|
|
101 "</body>" CRLF
|
|
102 "</html>" CRLF
|
|
103 ;
|
|
104
|
|
105
|
|
106 static ngx_int_t ngx_http_autoindex_handler(ngx_http_request_t *r)
|
|
107 {
|
473
|
108 u_char *last;
|
457
|
109 size_t len;
|
|
110 ngx_tm_t tm;
|
473
|
111 ngx_int_t rc;
|
457
|
112 ngx_uint_t i, level;
|
|
113 ngx_err_t err;
|
|
114 ngx_buf_t *b;
|
|
115 ngx_chain_t out;
|
|
116 ngx_str_t dname, fname;
|
|
117 ngx_dir_t dir;
|
|
118 ngx_pool_t *pool;
|
|
119 ngx_array_t entries;
|
|
120 ngx_http_core_loc_conf_t *clcf;
|
|
121 ngx_http_autoindex_entry_t *entry;
|
|
122 ngx_http_autoindex_loc_conf_t *alcf;
|
|
123
|
|
124 static char *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
|
|
125 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
|
|
126
|
|
127 if (r->uri.data[r->uri.len - 1] != '/') {
|
|
128 return NGX_DECLINED;
|
|
129 }
|
|
130
|
|
131 alcf = ngx_http_get_module_loc_conf(r, ngx_http_autoindex_module);
|
|
132
|
|
133 if (!alcf->enable) {
|
|
134 return NGX_DECLINED;
|
|
135 }
|
|
136
|
|
137 /* TODO: pool should be temporary pool */
|
|
138 pool = r->pool;
|
|
139
|
|
140 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
141
|
|
142 if (clcf->alias) {
|
|
143 dname.data = ngx_palloc(pool, clcf->root.len + r->uri.len
|
|
144 + NGX_DIR_MASK_LEN
|
|
145 - clcf->name.len);
|
|
146 if (dname.data == NULL) {
|
|
147 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
148 }
|
|
149
|
|
150 last = ngx_cpymem(dname.data, clcf->root.data, clcf->root.len);
|
|
151 last = ngx_cpystrn(last, r->uri.data + clcf->name.len,
|
|
152 r->uri.len - clcf->name.len);
|
|
153
|
|
154 } else {
|
|
155 dname.data = ngx_palloc(pool, clcf->root.len + r->uri.len
|
|
156 + NGX_DIR_MASK_LEN);
|
|
157 if (dname.data == NULL) {
|
|
158 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
159 }
|
|
160
|
|
161 last = ngx_cpymem(dname.data, clcf->root.data, clcf->root.len);
|
|
162 last = ngx_cpystrn(last, r->uri.data, r->uri.len);
|
|
163
|
|
164 }
|
|
165
|
|
166 dname.len = last - dname.data;
|
|
167
|
|
168 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
169 "http autoindex: \"%s\"", dname.data);
|
|
170
|
|
171
|
|
172 if (ngx_open_dir(&dname, &dir) == NGX_ERROR) {
|
|
173 err = ngx_errno;
|
|
174
|
|
175 if (err == NGX_ENOENT || err == NGX_ENOTDIR) {
|
|
176 level = NGX_LOG_ERR;
|
|
177 rc = NGX_HTTP_NOT_FOUND;
|
|
178
|
|
179 } else if (err == NGX_EACCES) {
|
|
180 level = NGX_LOG_ERR;
|
|
181 rc = NGX_HTTP_FORBIDDEN;
|
|
182
|
|
183 } else {
|
|
184 level = NGX_LOG_CRIT;
|
|
185 rc = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
186 }
|
|
187
|
|
188 ngx_log_error(level, r->connection->log, err,
|
|
189 ngx_open_dir_n " \"%s\" failed", dname.data);
|
|
190
|
|
191 return rc;
|
|
192 }
|
|
193
|
|
194 #if (NGX_SUPPRESS_WARN)
|
|
195 /* MSVC thinks 'entries' may be used without having been initialized */
|
|
196 ngx_memzero(&entries, sizeof(ngx_array_t));
|
|
197 #endif
|
|
198
|
|
199 if (ngx_array_init(&entries, pool, 50, sizeof(ngx_http_autoindex_entry_t))
|
|
200 == NGX_ERROR)
|
|
201 {
|
|
202 return ngx_http_autoindex_error(r, &dir, dname.data);
|
|
203 }
|
|
204
|
|
205 fname.len = 0;
|
|
206 #if (NGX_SUPPRESS_WARN)
|
|
207 fname.data = NULL;
|
|
208 #endif
|
|
209
|
|
210 for ( ;; ) {
|
|
211 ngx_set_errno(0);
|
|
212
|
|
213 if (ngx_read_dir(&dir) == NGX_ERROR) {
|
|
214 err = ngx_errno;
|
|
215
|
|
216 if (err == NGX_ENOMOREFILES) {
|
|
217 rc = NGX_OK;
|
|
218
|
|
219 } else {
|
|
220 ngx_log_error(NGX_LOG_CRIT, r->connection->log, err,
|
|
221 ngx_read_dir_n " \"%s\" failed", dname.data);
|
|
222 return ngx_http_autoindex_error(r, &dir, dname.data);
|
|
223 }
|
|
224
|
|
225 break;
|
|
226 }
|
|
227
|
|
228 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
229 "http autoindex file: \"%s\"", ngx_de_name(&dir));
|
|
230
|
|
231 len = ngx_de_namelen(&dir);
|
|
232
|
459
|
233 if (len == 1 && ngx_de_name(&dir)[0] == '.') {
|
|
234 continue;
|
|
235 }
|
|
236
|
|
237 if (len == 2
|
|
238 && ngx_de_name(&dir)[0] == '.'
|
|
239 && ngx_de_name(&dir)[0] == '.')
|
|
240 {
|
|
241 continue;
|
|
242 }
|
|
243
|
457
|
244 if (!dir.valid_info) {
|
|
245
|
|
246 if (dname.len + 1 + len > fname.len) {
|
|
247 fname.len = dname.len + 1 + len + 32;
|
|
248
|
|
249 if (!(fname.data = ngx_palloc(pool, fname.len))) {
|
|
250 return ngx_http_autoindex_error(r, &dir, dname.data);
|
|
251 }
|
|
252
|
|
253 last = ngx_cpystrn(fname.data, dname.data,
|
|
254 dname.len + 1);
|
|
255 *last++ = '/';
|
|
256 }
|
|
257
|
|
258 ngx_cpystrn(last, ngx_de_name(&dir), len + 1);
|
|
259
|
|
260 if (ngx_de_info(fname.data, &dir) == NGX_FILE_ERROR) {
|
|
261 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
|
|
262 ngx_de_info_n " \"%s\" failed", fname.data);
|
|
263 return ngx_http_autoindex_error(r, &dir, dname.data);
|
|
264 }
|
|
265 }
|
|
266
|
|
267 if (!(entry = ngx_array_push(&entries))) {
|
|
268 return ngx_http_autoindex_error(r, &dir, dname.data);
|
|
269 }
|
|
270
|
|
271 entry->name.len = len;
|
461
|
272 entry->escape = 2 * ngx_escape_uri(NULL, ngx_de_name(&dir), len,
|
|
273 NGX_ESCAPE_HTML);
|
457
|
274
|
461
|
275 if (!(entry->name.data = ngx_palloc(pool, len + entry->escape + 1))) {
|
457
|
276 return ngx_http_autoindex_error(r, &dir, dname.data);
|
|
277 }
|
461
|
278
|
457
|
279 ngx_cpystrn(entry->name.data, ngx_de_name(&dir), len + 1);
|
|
280
|
|
281 entry->dir = ngx_de_is_dir(&dir);
|
|
282 entry->mtime = ngx_de_mtime(&dir);
|
|
283 entry->size = ngx_de_size(&dir);
|
|
284 }
|
|
285
|
|
286 if (ngx_close_dir(&dir) == NGX_ERROR) {
|
|
287 ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
|
|
288 ngx_close_dir_n " \"%s\" failed", dname.data);
|
|
289 }
|
|
290
|
|
291 len = sizeof(title) - 1
|
|
292 + r->uri.len
|
|
293 + sizeof(header) - 1
|
|
294 + r->uri.len
|
|
295 + sizeof("</h1>") - 1
|
|
296 + sizeof("<hr><pre><a href=\"../\">../</a>" CRLF) - 1
|
|
297 + sizeof("</pre><hr>") - 1
|
|
298 + sizeof(tail) - 1;
|
|
299
|
|
300 entry = entries.elts;
|
|
301 for (i = 0; i < entries.nelts; i++) {
|
|
302 len += sizeof("<a href=\"") - 1
|
|
303 + 1 /* 1 is for "/" */
|
461
|
304 + entry[i].name.len + entry[i].escape
|
457
|
305 + sizeof("\">") - 1
|
467
|
306 + NGX_HTTP_AUTOINDEX_NAME_LEN + sizeof(">") - 2
|
457
|
307 + sizeof("</a>") - 1
|
467
|
308 + sizeof(" 28-Sep-1970 12:00 ") - 1
|
473
|
309 + 19
|
457
|
310 + 2;
|
|
311 }
|
|
312
|
|
313 if (!(b = ngx_create_temp_buf(r->pool, len))) {
|
|
314 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
315 }
|
|
316
|
|
317 if (entries.nelts > 1) {
|
|
318 ngx_qsort(entry, (size_t) entries.nelts,
|
|
319 sizeof(ngx_http_autoindex_entry_t),
|
|
320 ngx_http_autoindex_cmp_entries);
|
|
321 }
|
|
322
|
|
323 b->last = ngx_cpymem(b->last, title, sizeof(title) - 1);
|
|
324 b->last = ngx_cpymem(b->last, r->uri.data, r->uri.len);
|
|
325 b->last = ngx_cpymem(b->last, header, sizeof(header) - 1);
|
|
326 b->last = ngx_cpymem(b->last, r->uri.data, r->uri.len);
|
|
327 b->last = ngx_cpymem(b->last, "</h1>", sizeof("</h1>") - 1);
|
|
328
|
|
329 b->last = ngx_cpymem(b->last, "<hr><pre><a href=\"../\">../</a>" CRLF,
|
|
330 sizeof("<hr><pre><a href=\"../\">../</a>" CRLF) - 1);
|
|
331
|
|
332 for (i = 0; i < entries.nelts; i++) {
|
|
333 b->last = ngx_cpymem(b->last, "<a href=\"", sizeof("<a href=\"") - 1);
|
461
|
334
|
|
335 if (entry[i].escape) {
|
|
336 ngx_escape_uri(b->last, entry[i].name.data, entry[i].name.len,
|
|
337 NGX_ESCAPE_HTML);
|
|
338
|
|
339 b->last += entry[i].name.len + entry[i].escape;
|
|
340
|
|
341 } else {
|
|
342 b->last = ngx_cpymem(b->last, entry[i].name.data,
|
|
343 entry[i].name.len);
|
|
344 }
|
457
|
345
|
|
346 if (entry[i].dir) {
|
|
347 *b->last++ = '/';
|
|
348 }
|
|
349
|
|
350 *b->last++ = '"';
|
|
351 *b->last++ = '>';
|
|
352
|
|
353 b->last = ngx_cpystrn(b->last, entry[i].name.data,
|
|
354 NGX_HTTP_AUTOINDEX_NAME_LEN + 1);
|
|
355
|
|
356 len = entry[i].name.len;
|
|
357
|
|
358 if (len > NGX_HTTP_AUTOINDEX_NAME_LEN) {
|
|
359 b->last = ngx_cpymem(b->last - 3, "..></a>",
|
|
360 sizeof("..></a>") - 1);
|
|
361
|
|
362 } else {
|
|
363 if (entry[i].dir && NGX_HTTP_AUTOINDEX_NAME_LEN - len > 0) {
|
|
364 *b->last++ = '/';
|
|
365 len++;
|
|
366 }
|
|
367
|
|
368 b->last = ngx_cpymem(b->last, "</a>", sizeof("</a>") - 1);
|
|
369 ngx_memset(b->last, ' ', NGX_HTTP_AUTOINDEX_NAME_LEN - len);
|
|
370 b->last += NGX_HTTP_AUTOINDEX_NAME_LEN - len;
|
|
371 }
|
|
372
|
|
373 *b->last++ = ' ';
|
|
374
|
|
375 ngx_gmtime(entry[i].mtime, &tm);
|
|
376
|
|
377 b->last = ngx_sprintf(b->last, "%02d-%s-%d %02d:%02d ",
|
|
378 tm.ngx_tm_mday,
|
|
379 months[tm.ngx_tm_mon - 1],
|
|
380 tm.ngx_tm_year,
|
|
381 tm.ngx_tm_hour,
|
|
382 tm.ngx_tm_min);
|
|
383
|
|
384 if (entry[i].dir) {
|
473
|
385 b->last = ngx_cpymem(b->last, " -",
|
|
386 sizeof(" -") - 1);
|
457
|
387
|
|
388 } else {
|
473
|
389 b->last = ngx_sprintf(b->last, "%19O", entry[i].size);
|
457
|
390 }
|
|
391
|
|
392 *b->last++ = CR;
|
|
393 *b->last++ = LF;
|
|
394 }
|
|
395
|
459
|
396 /* TODO: free temporary pool */
|
|
397
|
457
|
398 b->last = ngx_cpymem(b->last, "</pre><hr>", sizeof("</pre><hr>") - 1);
|
|
399
|
|
400 b->last = ngx_cpymem(b->last, tail, sizeof(tail) - 1);
|
|
401
|
|
402 r->headers_out.status = NGX_HTTP_OK;
|
|
403 r->headers_out.content_length_n = b->last - b->pos;
|
|
404
|
|
405 r->headers_out.content_type = ngx_list_push(&r->headers_out.headers);
|
|
406 if (r->headers_out.content_type == NULL) {
|
|
407 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
408 }
|
|
409
|
|
410 r->headers_out.content_type->key.len = 0;
|
|
411 r->headers_out.content_type->key.data = NULL;
|
|
412 r->headers_out.content_type->value.len = sizeof("text/html") - 1;
|
|
413 r->headers_out.content_type->value.data = (u_char *) "text/html";
|
|
414
|
|
415 rc = ngx_http_send_header(r);
|
|
416
|
|
417 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) {
|
|
418 return rc;
|
|
419 }
|
|
420
|
|
421 if (!r->main) {
|
|
422 b->last_buf = 1;
|
|
423 }
|
|
424
|
|
425 out.buf = b;
|
|
426 out.next = NULL;
|
|
427
|
|
428 return ngx_http_output_filter(r, &out);
|
|
429 }
|
|
430
|
|
431
|
|
432 static int ngx_http_autoindex_cmp_entries(const void *one, const void *two)
|
|
433 {
|
|
434 ngx_http_autoindex_entry_t *first = (ngx_http_autoindex_entry_t *) one;
|
|
435 ngx_http_autoindex_entry_t *second = (ngx_http_autoindex_entry_t *) two;
|
|
436
|
|
437 if (first->dir && !second->dir) {
|
|
438 /* move the directories to the start */
|
|
439 return -1;
|
|
440 }
|
|
441
|
|
442 if (!first->dir && second->dir) {
|
|
443 /* move the directories to the start */
|
|
444 return 1;
|
|
445 }
|
|
446
|
|
447 return (int) ngx_strcmp(first->name.data, second->name.data);
|
|
448 }
|
|
449
|
|
450
|
|
451 #if 0
|
|
452
|
|
453 static ngx_buf_t *ngx_http_autoindex_alloc(ngx_http_autoindex_ctx_t *ctx,
|
|
454 size_t size)
|
|
455 {
|
|
456 ngx_chain_t *cl;
|
|
457
|
|
458 if (ctx->buf) {
|
|
459
|
|
460 if ((size_t) (ctx->buf->end - ctx->buf->last) >= size) {
|
|
461 return ctx->buf;
|
|
462 }
|
|
463
|
|
464 ctx->size += ctx->buf->last - ctx->buf->pos;
|
|
465 }
|
|
466
|
|
467 if (!(ctx->buf = ngx_create_temp_buf(ctx->pool, ctx->alloc_size))) {
|
|
468 return NULL;
|
|
469 }
|
|
470
|
|
471 if (!(cl = ngx_alloc_chain_link(ctx->pool))) {
|
|
472 return NULL;
|
|
473 }
|
|
474
|
|
475 cl->buf = ctx->buf;
|
|
476 cl->next = NULL;
|
|
477
|
|
478 *ctx->last_out = cl;
|
|
479 ctx->last_out = &cl->next;
|
|
480
|
|
481 return ctx->buf;
|
|
482 }
|
|
483
|
|
484 #endif
|
|
485
|
|
486
|
|
487 static ngx_int_t ngx_http_autoindex_error(ngx_http_request_t *r, ngx_dir_t *dir,
|
|
488 u_char *name)
|
|
489 {
|
|
490 if (ngx_close_dir(dir) == NGX_ERROR) {
|
|
491 ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
|
|
492 ngx_close_dir_n " \"%s\" failed", name);
|
|
493 }
|
|
494
|
|
495 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
496 }
|
|
497
|
|
498
|
|
499 static ngx_int_t ngx_http_autoindex_init(ngx_cycle_t *cycle)
|
|
500 {
|
|
501 ngx_http_handler_pt *h;
|
|
502 ngx_http_core_main_conf_t *cmcf;
|
|
503
|
|
504 cmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_core_module);
|
|
505
|
|
506 h = ngx_array_push(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers);
|
|
507 if (h == NULL) {
|
|
508 return NGX_ERROR;
|
|
509 }
|
|
510
|
|
511 *h = ngx_http_autoindex_handler;
|
|
512
|
|
513 return NGX_OK;
|
|
514 }
|
|
515
|
|
516
|
|
517 static void *ngx_http_autoindex_create_loc_conf(ngx_conf_t *cf)
|
|
518 {
|
|
519 ngx_http_autoindex_loc_conf_t *conf;
|
|
520
|
|
521 conf = ngx_palloc(cf->pool, sizeof(ngx_http_autoindex_loc_conf_t));
|
|
522 if (conf == NULL) {
|
|
523 return NGX_CONF_ERROR;
|
|
524 }
|
|
525
|
|
526 conf->enable = NGX_CONF_UNSET;
|
|
527
|
|
528 return conf;
|
|
529 }
|
|
530
|
|
531
|
|
532 static char *ngx_http_autoindex_merge_loc_conf(ngx_conf_t *cf,
|
|
533 void *parent, void *child)
|
|
534 {
|
|
535 ngx_http_autoindex_loc_conf_t *prev = parent;
|
|
536 ngx_http_autoindex_loc_conf_t *conf = child;
|
|
537
|
|
538 ngx_conf_merge_value(conf->enable, prev->enable, 0);
|
|
539
|
|
540 return NGX_CONF_OK;
|
|
541 }
|