Mercurial > hg > nginx
annotate src/http/modules/ngx_http_autoindex_module.c @ 5069:e9d188e295cf
Fixed false memset warning on Linux with -O3 (ticket #275).
Prodded by John Leach.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Wed, 13 Feb 2013 14:39:46 +0000 |
| parents | 778ef9c3fd2d |
| children | f026adb935ad 5fa350899fe0 |
| rev | line source |
|---|---|
| 457 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4412 | 4 * Copyright (C) Nginx, Inc. |
| 457 | 5 */ |
| 6 | |
| 7 | |
| 8 #include <ngx_config.h> | |
| 9 #include <ngx_core.h> | |
| 10 #include <ngx_http.h> | |
| 11 | |
| 12 | |
| 13 #if 0 | |
| 14 | |
| 15 typedef struct { | |
| 16 ngx_buf_t *buf; | |
| 17 size_t size; | |
| 18 ngx_pool_t *pool; | |
| 19 size_t alloc_size; | |
| 20 ngx_chain_t **last_out; | |
| 21 } ngx_http_autoindex_ctx_t; | |
| 22 | |
| 23 #endif | |
| 24 | |
| 25 | |
| 26 typedef struct { | |
| 27 ngx_str_t name; | |
| 525 | 28 size_t utf_len; |
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29 size_t escape; |
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30 size_t escape_html; |
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31 |
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32 unsigned dir:1; |
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33 |
| 457 | 34 time_t mtime; |
| 35 off_t size; | |
| 36 } ngx_http_autoindex_entry_t; | |
| 37 | |
| 38 | |
| 39 typedef struct { | |
| 40 ngx_flag_t enable; | |
| 519 | 41 ngx_flag_t localtime; |
| 527 | 42 ngx_flag_t exact_size; |
| 457 | 43 } ngx_http_autoindex_loc_conf_t; |
| 44 | |
| 45 | |
| 557 | 46 #define NGX_HTTP_AUTOINDEX_PREALLOCATE 50 |
| 47 | |
| 48 #define NGX_HTTP_AUTOINDEX_NAME_LEN 50 | |
| 457 | 49 |
| 50 | |
| 503 | 51 static int ngx_libc_cdecl ngx_http_autoindex_cmp_entries(const void *one, |
| 52 const void *two); | |
| 499 | 53 static ngx_int_t ngx_http_autoindex_error(ngx_http_request_t *r, |
| 557 | 54 ngx_dir_t *dir, ngx_str_t *name); |
| 681 | 55 static ngx_int_t ngx_http_autoindex_init(ngx_conf_t *cf); |
| 457 | 56 static void *ngx_http_autoindex_create_loc_conf(ngx_conf_t *cf); |
| 57 static char *ngx_http_autoindex_merge_loc_conf(ngx_conf_t *cf, | |
| 499 | 58 void *parent, void *child); |
| 457 | 59 |
| 60 | |
| 61 static ngx_command_t ngx_http_autoindex_commands[] = { | |
| 62 | |
| 63 { ngx_string("autoindex"), | |
| 64 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 65 ngx_conf_set_flag_slot, | |
| 66 NGX_HTTP_LOC_CONF_OFFSET, | |
| 67 offsetof(ngx_http_autoindex_loc_conf_t, enable), | |
| 68 NULL }, | |
| 69 | |
| 519 | 70 { ngx_string("autoindex_localtime"), |
| 71 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 72 ngx_conf_set_flag_slot, | |
| 73 NGX_HTTP_LOC_CONF_OFFSET, | |
| 74 offsetof(ngx_http_autoindex_loc_conf_t, localtime), | |
| 75 NULL }, | |
| 76 | |
| 527 | 77 { ngx_string("autoindex_exact_size"), |
| 78 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 79 ngx_conf_set_flag_slot, | |
| 80 NGX_HTTP_LOC_CONF_OFFSET, | |
| 81 offsetof(ngx_http_autoindex_loc_conf_t, exact_size), | |
| 82 NULL }, | |
| 83 | |
| 457 | 84 ngx_null_command |
| 85 }; | |
| 86 | |
| 87 | |
| 667 | 88 static ngx_http_module_t ngx_http_autoindex_module_ctx = { |
| 509 | 89 NULL, /* preconfiguration */ |
| 681 | 90 ngx_http_autoindex_init, /* postconfiguration */ |
| 457 | 91 |
| 92 NULL, /* create main configuration */ | |
| 93 NULL, /* init main configuration */ | |
| 94 | |
| 95 NULL, /* create server configuration */ | |
| 96 NULL, /* merge server configuration */ | |
| 97 | |
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98 ngx_http_autoindex_create_loc_conf, /* create location configuration */ |
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99 ngx_http_autoindex_merge_loc_conf /* merge location configuration */ |
| 457 | 100 }; |
| 101 | |
| 102 | |
| 103 ngx_module_t ngx_http_autoindex_module = { | |
| 509 | 104 NGX_MODULE_V1, |
| 577 | 105 &ngx_http_autoindex_module_ctx, /* module context */ |
| 457 | 106 ngx_http_autoindex_commands, /* module directives */ |
| 107 NGX_HTTP_MODULE, /* module type */ | |
| 541 | 108 NULL, /* init master */ |
| 681 | 109 NULL, /* init module */ |
| 541 | 110 NULL, /* init process */ |
| 111 NULL, /* init thread */ | |
| 112 NULL, /* exit thread */ | |
| 113 NULL, /* exit process */ | |
| 114 NULL, /* exit master */ | |
| 115 NGX_MODULE_V1_PADDING | |
| 457 | 116 }; |
| 117 | |
| 118 | |
| 119 static u_char title[] = | |
| 120 "<html>" CRLF | |
| 121 "<head><title>Index of " | |
| 122 ; | |
| 123 | |
| 124 | |
| 125 static u_char header[] = | |
| 126 "</title></head>" CRLF | |
| 127 "<body bgcolor=\"white\">" CRLF | |
| 128 "<h1>Index of " | |
| 129 ; | |
| 130 | |
| 131 static u_char tail[] = | |
| 132 "</body>" CRLF | |
| 133 "</html>" CRLF | |
| 134 ; | |
| 135 | |
| 136 | |
| 499 | 137 static ngx_int_t |
| 138 ngx_http_autoindex_handler(ngx_http_request_t *r) | |
| 457 | 139 { |
| 557 | 140 u_char *last, *filename, scale; |
| 527 | 141 off_t length; |
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142 size_t len, char_len, escape_html, allocated, root; |
| 457 | 143 ngx_tm_t tm; |
| 144 ngx_err_t err; | |
| 145 ngx_buf_t *b; | |
| 557 | 146 ngx_int_t rc, size; |
| 147 ngx_str_t path; | |
| 457 | 148 ngx_dir_t dir; |
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149 ngx_uint_t i, level, utf8; |
| 457 | 150 ngx_pool_t *pool; |
| 563 | 151 ngx_time_t *tp; |
| 557 | 152 ngx_chain_t out; |
| 457 | 153 ngx_array_t entries; |
| 154 ngx_http_autoindex_entry_t *entry; | |
| 155 ngx_http_autoindex_loc_conf_t *alcf; | |
| 156 | |
| 157 static char *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", | |
| 158 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; | |
| 159 | |
| 160 if (r->uri.data[r->uri.len - 1] != '/') { | |
| 161 return NGX_DECLINED; | |
| 162 } | |
| 163 | |
| 645 | 164 if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) { |
| 637 | 165 return NGX_DECLINED; |
| 166 } | |
| 167 | |
| 457 | 168 alcf = ngx_http_get_module_loc_conf(r, ngx_http_autoindex_module); |
| 169 | |
| 170 if (!alcf->enable) { | |
| 171 return NGX_DECLINED; | |
| 172 } | |
| 173 | |
| 557 | 174 /* NGX_DIR_MASK_LEN is lesser than NGX_HTTP_AUTOINDEX_PREALLOCATE */ |
| 457 | 175 |
| 773 | 176 last = ngx_http_map_uri_to_path(r, &path, &root, |
| 177 NGX_HTTP_AUTOINDEX_PREALLOCATE); | |
| 557 | 178 if (last == NULL) { |
| 179 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 457 | 180 } |
| 181 | |
| 557 | 182 allocated = path.len; |
| 1627 | 183 path.len = last - path.data; |
| 184 if (path.len > 1) { | |
| 185 path.len--; | |
| 186 } | |
| 557 | 187 path.data[path.len] = '\0'; |
| 457 | 188 |
| 189 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 557 | 190 "http autoindex: \"%s\"", path.data); |
| 457 | 191 |
| 557 | 192 if (ngx_open_dir(&path, &dir) == NGX_ERROR) { |
| 457 | 193 err = ngx_errno; |
| 194 | |
| 543 | 195 if (err == NGX_ENOENT |
| 196 || err == NGX_ENOTDIR | |
| 197 || err == NGX_ENAMETOOLONG) | |
| 198 { | |
| 457 | 199 level = NGX_LOG_ERR; |
| 200 rc = NGX_HTTP_NOT_FOUND; | |
| 201 | |
| 202 } else if (err == NGX_EACCES) { | |
| 203 level = NGX_LOG_ERR; | |
| 204 rc = NGX_HTTP_FORBIDDEN; | |
| 205 | |
| 206 } else { | |
| 207 level = NGX_LOG_CRIT; | |
| 208 rc = NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 209 } | |
| 210 | |
| 211 ngx_log_error(level, r->connection->log, err, | |
| 557 | 212 ngx_open_dir_n " \"%s\" failed", path.data); |
| 457 | 213 |
| 214 return rc; | |
| 215 } | |
| 216 | |
| 217 #if (NGX_SUPPRESS_WARN) | |
| 557 | 218 |
| 457 | 219 /* MSVC thinks 'entries' may be used without having been initialized */ |
| 220 ngx_memzero(&entries, sizeof(ngx_array_t)); | |
| 557 | 221 |
| 457 | 222 #endif |
| 223 | |
| 557 | 224 /* TODO: pool should be temporary pool */ |
| 225 pool = r->pool; | |
| 226 | |
| 227 if (ngx_array_init(&entries, pool, 40, sizeof(ngx_http_autoindex_entry_t)) | |
| 228 != NGX_OK) | |
| 457 | 229 { |
| 557 | 230 return ngx_http_autoindex_error(r, &dir, &path); |
| 457 | 231 } |
| 232 | |
| 523 | 233 r->headers_out.status = NGX_HTTP_OK; |
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234 r->headers_out.content_type_len = sizeof("text/html") - 1; |
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235 ngx_str_set(&r->headers_out.content_type, "text/html"); |
| 523 | 236 |
| 237 rc = ngx_http_send_header(r); | |
| 238 | |
| 239 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { | |
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240 if (ngx_close_dir(&dir) == NGX_ERROR) { |
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241 ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno, |
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242 ngx_close_dir_n " \"%V\" failed", &path); |
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243 } |
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244 |
| 523 | 245 return rc; |
| 246 } | |
| 247 | |
| 557 | 248 filename = path.data; |
| 249 filename[path.len] = '/'; | |
| 457 | 250 |
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251 if (r->headers_out.charset.len == 5 |
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252 && ngx_strncasecmp(r->headers_out.charset.data, (u_char *) "utf-8", 5) |
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253 == 0) |
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254 { |
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255 utf8 = 1; |
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256 |
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257 } else { |
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258 utf8 = 0; |
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259 } |
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260 |
| 457 | 261 for ( ;; ) { |
| 262 ngx_set_errno(0); | |
| 263 | |
| 264 if (ngx_read_dir(&dir) == NGX_ERROR) { | |
| 265 err = ngx_errno; | |
| 266 | |
| 501 | 267 if (err != NGX_ENOMOREFILES) { |
| 457 | 268 ngx_log_error(NGX_LOG_CRIT, r->connection->log, err, |
| 557 | 269 ngx_read_dir_n " \"%V\" failed", &path); |
| 270 return ngx_http_autoindex_error(r, &dir, &path); | |
| 457 | 271 } |
| 272 | |
| 577 | 273 break; |
| 457 | 274 } |
| 275 | |
| 276 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 277 "http autoindex file: \"%s\"", ngx_de_name(&dir)); | |
| 278 | |
| 279 len = ngx_de_namelen(&dir); | |
| 280 | |
| 547 | 281 if (ngx_de_name(&dir)[0] == '.') { |
| 459 | 282 continue; |
| 283 } | |
| 284 | |
| 457 | 285 if (!dir.valid_info) { |
| 286 | |
| 557 | 287 /* 1 byte for '/' and 1 byte for terminating '\0' */ |
| 457 | 288 |
| 557 | 289 if (path.len + 1 + len + 1 > allocated) { |
| 290 allocated = path.len + 1 + len + 1 | |
| 291 + NGX_HTTP_AUTOINDEX_PREALLOCATE; | |
| 292 | |
| 2049 | 293 filename = ngx_pnalloc(pool, allocated); |
| 557 | 294 if (filename == NULL) { |
| 295 return ngx_http_autoindex_error(r, &dir, &path); | |
| 457 | 296 } |
| 297 | |
| 557 | 298 last = ngx_cpystrn(filename, path.data, path.len + 1); |
| 457 | 299 *last++ = '/'; |
| 300 } | |
| 301 | |
| 302 ngx_cpystrn(last, ngx_de_name(&dir), len + 1); | |
| 303 | |
| 557 | 304 if (ngx_de_info(filename, &dir) == NGX_FILE_ERROR) { |
| 497 | 305 err = ngx_errno; |
| 306 | |
| 307 if (err != NGX_ENOENT) { | |
| 308 ngx_log_error(NGX_LOG_CRIT, r->connection->log, err, | |
| 557 | 309 ngx_de_info_n " \"%s\" failed", filename); |
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310 |
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311 if (err == NGX_EACCES) { |
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312 continue; |
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313 } |
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314 |
| 557 | 315 return ngx_http_autoindex_error(r, &dir, &path); |
| 497 | 316 } |
| 317 | |
| 557 | 318 if (ngx_de_link_info(filename, &dir) == NGX_FILE_ERROR) { |
| 497 | 319 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, |
| 320 ngx_de_link_info_n " \"%s\" failed", | |
| 557 | 321 filename); |
| 322 return ngx_http_autoindex_error(r, &dir, &path); | |
| 497 | 323 } |
| 457 | 324 } |
| 325 } | |
| 326 | |
| 501 | 327 entry = ngx_array_push(&entries); |
| 328 if (entry == NULL) { | |
| 557 | 329 return ngx_http_autoindex_error(r, &dir, &path); |
| 457 | 330 } |
| 331 | |
| 577 | 332 entry->name.len = len; |
| 525 | 333 |
| 2049 | 334 entry->name.data = ngx_pnalloc(pool, len + 1); |
| 501 | 335 if (entry->name.data == NULL) { |
| 557 | 336 return ngx_http_autoindex_error(r, &dir, &path); |
| 457 | 337 } |
| 461 | 338 |
| 457 | 339 ngx_cpystrn(entry->name.data, ngx_de_name(&dir), len + 1); |
| 340 | |
| 529 | 341 entry->escape = 2 * ngx_escape_uri(NULL, ngx_de_name(&dir), len, |
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342 NGX_ESCAPE_URI_COMPONENT); |
| 529 | 343 |
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344 entry->escape_html = ngx_escape_html(NULL, entry->name.data, |
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345 entry->name.len); |
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346 |
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347 if (utf8) { |
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348 entry->utf_len = ngx_utf8_length(entry->name.data, entry->name.len); |
| 525 | 349 } else { |
| 350 entry->utf_len = len; | |
| 351 } | |
| 352 | |
| 457 | 353 entry->dir = ngx_de_is_dir(&dir); |
| 354 entry->mtime = ngx_de_mtime(&dir); | |
| 355 entry->size = ngx_de_size(&dir); | |
| 356 } | |
| 357 | |
| 358 if (ngx_close_dir(&dir) == NGX_ERROR) { | |
| 359 ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno, | |
| 557 | 360 ngx_close_dir_n " \"%s\" failed", &path); |
| 457 | 361 } |
| 362 | |
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363 escape_html = ngx_escape_html(NULL, r->uri.data, r->uri.len); |
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364 |
| 457 | 365 len = sizeof(title) - 1 |
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366 + r->uri.len + escape_html |
| 457 | 367 + sizeof(header) - 1 |
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368 + r->uri.len + escape_html |
| 457 | 369 + sizeof("</h1>") - 1 |
| 370 + sizeof("<hr><pre><a href=\"../\">../</a>" CRLF) - 1 | |
| 371 + sizeof("</pre><hr>") - 1 | |
| 372 + sizeof(tail) - 1; | |
| 373 | |
| 374 entry = entries.elts; | |
| 375 for (i = 0; i < entries.nelts; i++) { | |
| 376 len += sizeof("<a href=\"") - 1 | |
| 529 | 377 + entry[i].name.len + entry[i].escape |
| 525 | 378 + 1 /* 1 is for "/" */ |
| 379 + sizeof("\">") - 1 | |
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380 + entry[i].name.len - entry[i].utf_len |
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381 + entry[i].escape_html |
| 525 | 382 + NGX_HTTP_AUTOINDEX_NAME_LEN + sizeof(">") - 2 |
| 383 + sizeof("</a>") - 1 | |
| 384 + sizeof(" 28-Sep-1970 12:00 ") - 1 | |
| 529 | 385 + 20 /* the file size */ |
| 525 | 386 + 2; |
| 457 | 387 } |
| 388 | |
| 501 | 389 b = ngx_create_temp_buf(r->pool, len); |
| 390 if (b == NULL) { | |
| 457 | 391 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
| 392 } | |
| 393 | |
| 394 if (entries.nelts > 1) { | |
| 395 ngx_qsort(entry, (size_t) entries.nelts, | |
| 396 sizeof(ngx_http_autoindex_entry_t), | |
| 397 ngx_http_autoindex_cmp_entries); | |
| 398 } | |
| 399 | |
| 400 b->last = ngx_cpymem(b->last, title, sizeof(title) - 1); | |
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401 |
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402 if (escape_html) { |
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403 b->last = (u_char *) ngx_escape_html(b->last, r->uri.data, r->uri.len); |
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404 b->last = ngx_cpymem(b->last, header, sizeof(header) - 1); |
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405 b->last = (u_char *) ngx_escape_html(b->last, r->uri.data, r->uri.len); |
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406 |
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407 } else { |
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408 b->last = ngx_cpymem(b->last, r->uri.data, r->uri.len); |
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409 b->last = ngx_cpymem(b->last, header, sizeof(header) - 1); |
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410 b->last = ngx_cpymem(b->last, r->uri.data, r->uri.len); |
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411 } |
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412 |
| 457 | 413 b->last = ngx_cpymem(b->last, "</h1>", sizeof("</h1>") - 1); |
| 414 | |
| 415 b->last = ngx_cpymem(b->last, "<hr><pre><a href=\"../\">../</a>" CRLF, | |
| 416 sizeof("<hr><pre><a href=\"../\">../</a>" CRLF) - 1); | |
| 417 | |
| 563 | 418 tp = ngx_timeofday(); |
| 419 | |
| 457 | 420 for (i = 0; i < entries.nelts; i++) { |
| 421 b->last = ngx_cpymem(b->last, "<a href=\"", sizeof("<a href=\"") - 1); | |
| 461 | 422 |
| 423 if (entry[i].escape) { | |
| 424 ngx_escape_uri(b->last, entry[i].name.data, entry[i].name.len, | |
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425 NGX_ESCAPE_URI_COMPONENT); |
| 461 | 426 |
| 427 b->last += entry[i].name.len + entry[i].escape; | |
| 428 | |
| 429 } else { | |
| 430 b->last = ngx_cpymem(b->last, entry[i].name.data, | |
| 431 entry[i].name.len); | |
| 432 } | |
| 457 | 433 |
| 434 if (entry[i].dir) { | |
| 435 *b->last++ = '/'; | |
| 436 } | |
| 437 | |
| 438 *b->last++ = '"'; | |
| 439 *b->last++ = '>'; | |
| 440 | |
| 525 | 441 len = entry[i].utf_len; |
| 457 | 442 |
| 2120 | 443 if (entry[i].name.len != len) { |
| 527 | 444 if (len > NGX_HTTP_AUTOINDEX_NAME_LEN) { |
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445 char_len = NGX_HTTP_AUTOINDEX_NAME_LEN - 3 + 1; |
| 527 | 446 |
| 447 } else { | |
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448 char_len = NGX_HTTP_AUTOINDEX_NAME_LEN + 1; |
| 527 | 449 } |
| 450 | |
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451 last = b->last; |
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452 b->last = ngx_utf8_cpystrn(b->last, entry[i].name.data, |
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453 char_len, entry[i].name.len + 1); |
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454 |
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455 if (entry[i].escape_html) { |
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456 b->last = (u_char *) ngx_escape_html(last, entry[i].name.data, |
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457 b->last - last); |
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458 } |
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459 |
| 527 | 460 last = b->last; |
| 461 | |
| 462 } else { | |
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463 if (entry[i].escape_html) { |
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464 if (len > NGX_HTTP_AUTOINDEX_NAME_LEN) { |
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465 char_len = NGX_HTTP_AUTOINDEX_NAME_LEN - 3; |
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466 |
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467 } else { |
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468 char_len = len; |
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469 } |
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470 |
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471 b->last = (u_char *) ngx_escape_html(b->last, |
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472 entry[i].name.data, char_len); |
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473 last = b->last; |
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474 |
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475 } else { |
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476 b->last = ngx_cpystrn(b->last, entry[i].name.data, |
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477 NGX_HTTP_AUTOINDEX_NAME_LEN + 1); |
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478 last = b->last - 3; |
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479 } |
| 527 | 480 } |
| 481 | |
| 457 | 482 if (len > NGX_HTTP_AUTOINDEX_NAME_LEN) { |
| 527 | 483 b->last = ngx_cpymem(last, "..></a>", sizeof("..></a>") - 1); |
| 457 | 484 |
| 485 } else { | |
| 486 if (entry[i].dir && NGX_HTTP_AUTOINDEX_NAME_LEN - len > 0) { | |
| 487 *b->last++ = '/'; | |
| 488 len++; | |
| 489 } | |
| 490 | |
| 491 b->last = ngx_cpymem(b->last, "</a>", sizeof("</a>") - 1); | |
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492 |
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493 if (NGX_HTTP_AUTOINDEX_NAME_LEN - len > 0) { |
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494 ngx_memset(b->last, ' ', NGX_HTTP_AUTOINDEX_NAME_LEN - len); |
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495 b->last += NGX_HTTP_AUTOINDEX_NAME_LEN - len; |
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496 } |
| 457 | 497 } |
| 498 | |
| 499 *b->last++ = ' '; | |
| 500 | |
| 563 | 501 ngx_gmtime(entry[i].mtime + tp->gmtoff * 60 * alcf->localtime, &tm); |
| 457 | 502 |
| 503 b->last = ngx_sprintf(b->last, "%02d-%s-%d %02d:%02d ", | |
| 504 tm.ngx_tm_mday, | |
| 505 months[tm.ngx_tm_mon - 1], | |
| 506 tm.ngx_tm_year, | |
| 507 tm.ngx_tm_hour, | |
| 508 tm.ngx_tm_min); | |
| 509 | |
| 527 | 510 if (alcf->exact_size) { |
| 511 if (entry[i].dir) { | |
| 512 b->last = ngx_cpymem(b->last, " -", | |
| 513 sizeof(" -") - 1); | |
| 514 } else { | |
| 515 b->last = ngx_sprintf(b->last, "%19O", entry[i].size); | |
| 577 | 516 } |
| 457 | 517 |
| 518 } else { | |
| 527 | 519 if (entry[i].dir) { |
| 547 | 520 b->last = ngx_cpymem(b->last, " -", |
| 521 sizeof(" -") - 1); | |
| 527 | 522 |
| 523 } else { | |
| 524 length = entry[i].size; | |
| 525 | |
| 526 if (length > 1024 * 1024 * 1024 - 1) { | |
| 527 size = (ngx_int_t) (length / (1024 * 1024 * 1024)); | |
| 528 if ((length % (1024 * 1024 * 1024)) | |
| 529 > (1024 * 1024 * 1024 / 2 - 1)) | |
| 577 | 530 { |
| 527 | 531 size++; |
| 532 } | |
| 533 scale = 'G'; | |
| 534 | |
| 535 } else if (length > 1024 * 1024 - 1) { | |
| 536 size = (ngx_int_t) (length / (1024 * 1024)); | |
| 537 if ((length % (1024 * 1024)) > (1024 * 1024 / 2 - 1)) { | |
| 538 size++; | |
| 539 } | |
| 540 scale = 'M'; | |
| 541 | |
| 542 } else if (length > 9999) { | |
| 543 size = (ngx_int_t) (length / 1024); | |
| 544 if (length % 1024 > 511) { | |
| 545 size++; | |
| 546 } | |
| 547 scale = 'K'; | |
| 548 | |
| 549 } else { | |
| 550 size = (ngx_int_t) length; | |
| 547 | 551 scale = '\0'; |
| 527 | 552 } |
| 553 | |
| 547 | 554 if (scale) { |
| 555 b->last = ngx_sprintf(b->last, "%6i%c", size, scale); | |
| 527 | 556 |
| 547 | 557 } else { |
| 558 b->last = ngx_sprintf(b->last, " %6i", size); | |
| 527 | 559 } |
| 560 } | |
| 457 | 561 } |
| 562 | |
| 563 *b->last++ = CR; | |
| 564 *b->last++ = LF; | |
| 565 } | |
| 566 | |
| 459 | 567 /* TODO: free temporary pool */ |
| 568 | |
| 457 | 569 b->last = ngx_cpymem(b->last, "</pre><hr>", sizeof("</pre><hr>") - 1); |
| 570 | |
| 571 b->last = ngx_cpymem(b->last, tail, sizeof(tail) - 1); | |
| 572 | |
| 597 | 573 if (r == r->main) { |
| 457 | 574 b->last_buf = 1; |
| 575 } | |
| 576 | |
| 509 | 577 b->last_in_chain = 1; |
| 578 | |
| 457 | 579 out.buf = b; |
| 580 out.next = NULL; | |
| 581 | |
| 582 return ngx_http_output_filter(r, &out); | |
| 583 } | |
| 584 | |
| 585 | |
| 503 | 586 static int ngx_libc_cdecl |
| 499 | 587 ngx_http_autoindex_cmp_entries(const void *one, const void *two) |
| 457 | 588 { |
| 589 ngx_http_autoindex_entry_t *first = (ngx_http_autoindex_entry_t *) one; | |
| 590 ngx_http_autoindex_entry_t *second = (ngx_http_autoindex_entry_t *) two; | |
| 591 | |
| 592 if (first->dir && !second->dir) { | |
| 593 /* move the directories to the start */ | |
| 594 return -1; | |
| 595 } | |
| 596 | |
| 597 if (!first->dir && second->dir) { | |
| 598 /* move the directories to the start */ | |
| 599 return 1; | |
| 600 } | |
| 601 | |
| 602 return (int) ngx_strcmp(first->name.data, second->name.data); | |
| 603 } | |
| 604 | |
| 605 | |
| 606 #if 0 | |
| 607 | |
| 499 | 608 static ngx_buf_t * |
| 609 ngx_http_autoindex_alloc(ngx_http_autoindex_ctx_t *ctx, size_t size) | |
| 457 | 610 { |
| 611 ngx_chain_t *cl; | |
| 612 | |
| 613 if (ctx->buf) { | |
| 614 | |
| 615 if ((size_t) (ctx->buf->end - ctx->buf->last) >= size) { | |
| 616 return ctx->buf; | |
| 617 } | |
| 618 | |
| 619 ctx->size += ctx->buf->last - ctx->buf->pos; | |
| 620 } | |
| 621 | |
| 501 | 622 ctx->buf = ngx_create_temp_buf(ctx->pool, ctx->alloc_size); |
| 623 if (ctx->buf == NULL) { | |
| 457 | 624 return NULL; |
| 625 } | |
| 626 | |
| 501 | 627 cl = ngx_alloc_chain_link(ctx->pool); |
| 628 if (cl == NULL) { | |
| 457 | 629 return NULL; |
| 630 } | |
| 631 | |
| 632 cl->buf = ctx->buf; | |
| 633 cl->next = NULL; | |
| 634 | |
| 635 *ctx->last_out = cl; | |
| 636 ctx->last_out = &cl->next; | |
| 637 | |
| 638 return ctx->buf; | |
| 639 } | |
| 640 | |
| 641 #endif | |
| 642 | |
| 643 | |
| 499 | 644 static ngx_int_t |
| 557 | 645 ngx_http_autoindex_error(ngx_http_request_t *r, ngx_dir_t *dir, ngx_str_t *name) |
| 457 | 646 { |
| 647 if (ngx_close_dir(dir) == NGX_ERROR) { | |
| 648 ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno, | |
| 557 | 649 ngx_close_dir_n " \"%V\" failed", name); |
| 457 | 650 } |
| 651 | |
| 652 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 653 } | |
| 654 | |
| 655 | |
| 499 | 656 static void * |
| 657 ngx_http_autoindex_create_loc_conf(ngx_conf_t *cf) | |
| 457 | 658 { |
| 659 ngx_http_autoindex_loc_conf_t *conf; | |
| 660 | |
| 661 conf = ngx_palloc(cf->pool, sizeof(ngx_http_autoindex_loc_conf_t)); | |
| 662 if (conf == NULL) { | |
|
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663 return NULL; |
| 457 | 664 } |
| 665 | |
| 666 conf->enable = NGX_CONF_UNSET; | |
| 519 | 667 conf->localtime = NGX_CONF_UNSET; |
| 527 | 668 conf->exact_size = NGX_CONF_UNSET; |
| 457 | 669 |
| 670 return conf; | |
| 671 } | |
| 672 | |
| 673 | |
| 499 | 674 static char * |
| 675 ngx_http_autoindex_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 457 | 676 { |
| 677 ngx_http_autoindex_loc_conf_t *prev = parent; | |
| 678 ngx_http_autoindex_loc_conf_t *conf = child; | |
| 679 | |
| 680 ngx_conf_merge_value(conf->enable, prev->enable, 0); | |
| 519 | 681 ngx_conf_merge_value(conf->localtime, prev->localtime, 0); |
| 527 | 682 ngx_conf_merge_value(conf->exact_size, prev->exact_size, 1); |
| 457 | 683 |
| 684 return NGX_CONF_OK; | |
| 685 } | |
| 681 | 686 |
| 687 | |
| 688 static ngx_int_t | |
| 689 ngx_http_autoindex_init(ngx_conf_t *cf) | |
| 690 { | |
| 691 ngx_http_handler_pt *h; | |
| 692 ngx_http_core_main_conf_t *cmcf; | |
| 693 | |
| 694 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 695 | |
| 696 h = ngx_array_push(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers); | |
| 697 if (h == NULL) { | |
| 698 return NGX_ERROR; | |
| 699 } | |
| 700 | |
| 701 *h = ngx_http_autoindex_handler; | |
| 702 | |
| 703 return NGX_OK; | |
| 704 } |