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1 | /* ==================================================================== |
2 | * Copyright (c) 1995-1997 The Apache Group. All rights reserved. | |
3 | * | |
4 | * Redistribution and use in source and binary forms, with or without | |
5 | * modification, are permitted provided that the following conditions | |
6 | * are met: | |
7 | * | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * | |
11 | * 2. Redistributions in binary form must reproduce the above copyright | |
12 | * notice, this list of conditions and the following disclaimer in | |
13 | * the documentation and/or other materials provided with the | |
14 | * distribution. | |
15 | * | |
16 | * 3. All advertising materials mentioning features or use of this | |
17 | * software must display the following acknowledgment: | |
18 | * "This product includes software developed by the Apache Group | |
19 | * for use in the Apache HTTP server project (http://www.apache.org/)." | |
20 | * | |
21 | * 4. The names "Apache Server" and "Apache Group" must not be used to | |
22 | * endorse or promote products derived from this software without | |
23 | * prior written permission. | |
24 | * | |
25 | * 5. Redistributions of any form whatsoever must retain the following | |
26 | * acknowledgment: | |
27 | * "This product includes software developed by the Apache Group | |
28 | * for use in the Apache HTTP server project (http://www.apache.org/)." | |
29 | * | |
30 | * THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY | |
31 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
32 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
33 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE APACHE GROUP OR | |
34 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
35 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
36 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
37 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
40 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
41 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
42 | * ==================================================================== | |
43 | * | |
44 | * This software consists of voluntary contributions made by many | |
45 | * individuals on behalf of the Apache Group and was originally based | |
46 | * on public domain software written at the National Center for | |
47 | * Supercomputing Applications, University of Illinois, Urbana-Champaign. | |
48 | * For more information on the Apache Group and the Apache HTTP server | |
49 | * project, please see <http://www.apache.org/>. | |
50 | * | |
51 | */ | |
52 | ||
53 | /* | |
54 | * httpd.h: header for simple (ha! not anymore) http daemon | |
55 | */ | |
56 | ||
57 | /* Headers in which EVERYONE has an interest... */ | |
58 | ||
59 | #include "conf.h" | |
60 | #include "alloc.h" | |
61 | #include "buff.h" | |
62 | ||
63 | /* ----------------------------- config dir ------------------------------ */ | |
64 | ||
65 | /* Define this to be the default server home dir. Anything later in this | |
66 | * file with a relative pathname will have this added. | |
67 | */ | |
68 | #ifndef HTTPD_ROOT | |
69 | #ifdef __EMX__ | |
70 | /* Set default for OS/2 file system */ | |
71 | #define HTTPD_ROOT "/os2httpd" | |
72 | #else | |
73 | #define HTTPD_ROOT "/usr/local/etc/httpd" | |
74 | #endif | |
75 | #endif | |
76 | ||
77 | #ifndef DOCUMENT_LOCATION | |
78 | /* Root of server */ | |
79 | #ifdef __EMX__ | |
80 | /* Set default for OS/2 file system */ | |
81 | #define DOCUMENT_LOCATION "/os2httpd/docs" | |
82 | #else | |
83 | #define DOCUMENT_LOCATION "/usr/local/etc/httpd/htdocs" | |
84 | #endif | |
85 | #endif | |
86 | ||
87 | /* Max. number of dynamically loaded modules */ | |
88 | #define DYNAMIC_MODULE_LIMIT 64 | |
89 | ||
90 | /* Default administrator's address */ | |
91 | #define DEFAULT_ADMIN "[no address given]" | |
92 | ||
93 | /* | |
94 | * --------- You shouldn't have to edit anything below this line ---------- | |
95 | * | |
96 | * Any modifications to any defaults not defined above should be done in the | |
97 | * respective config. file. | |
98 | * | |
99 | */ | |
100 | ||
101 | ||
102 | /* -------------- Port number for server running standalone --------------- */ | |
103 | ||
104 | #define DEFAULT_PORT 80 | |
105 | ||
106 | /* --------- Default user name and group name running standalone ---------- */ | |
107 | /* --- These may be specified as numbers by placing a # before a number --- */ | |
108 | ||
109 | #ifndef DEFAULT_USER | |
110 | #define DEFAULT_USER "#-1" | |
111 | #endif | |
112 | #ifndef DEFAULT_GROUP | |
113 | #define DEFAULT_GROUP "#-1" | |
114 | #endif | |
115 | ||
116 | /* The name of the log files */ | |
117 | #ifndef DEFAULT_XFERLOG | |
118 | #ifdef __EMX__ | |
119 | /* Set default for OS/2 file system */ | |
120 | #define DEFAULT_XFERLOG "logs/access.log" | |
121 | #else | |
122 | #define DEFAULT_XFERLOG "logs/access_log" | |
123 | #endif | |
124 | #endif /* DEFAULT_XFERLOG */ | |
125 | #ifndef DEFAULT_ERRORLOG | |
126 | #ifdef __EMX__ | |
127 | /* Set default for OS/2 file system */ | |
128 | #define DEFAULT_ERRORLOG "logs/error.log" | |
129 | #else | |
130 | #define DEFAULT_ERRORLOG "logs/error_log" | |
131 | #endif | |
132 | #endif /* DEFAULT_ERRORLOG */ | |
133 | #ifndef DEFAULT_PIDLOG | |
134 | #define DEFAULT_PIDLOG "logs/httpd.pid" | |
135 | #endif | |
136 | #ifndef DEFAULT_SCOREBOARD | |
137 | #define DEFAULT_SCOREBOARD "logs/apache_runtime_status" | |
138 | #endif | |
139 | #ifndef DEFAULT_LOCKFILE | |
140 | #define DEFAULT_LOCKFILE "logs/accept.lock" | |
141 | #endif | |
142 | ||
143 | /* Define this to be what your HTML directory content files are called */ | |
144 | #define DEFAULT_INDEX "index.html" | |
145 | ||
146 | /* Define this to 1 if you want fancy indexing, 0 otherwise */ | |
147 | #define DEFAULT_INDEXING 0 | |
148 | ||
149 | /* Define this to be what type you'd like returned for files with unknown */ | |
150 | /* suffixes */ | |
151 | #define DEFAULT_TYPE "text/plain" | |
152 | ||
153 | /* Define this to be what your per-directory security files are called */ | |
154 | #ifdef __EMX__ | |
155 | /* Set default for OS/2 file system */ | |
156 | #define DEFAULT_ACCESS_FNAME "htaccess" | |
157 | #else | |
158 | #define DEFAULT_ACCESS_FNAME ".htaccess" | |
159 | #endif | |
160 | ||
161 | /* The name of the server config file */ | |
162 | #ifndef SERVER_CONFIG_FILE | |
163 | #define SERVER_CONFIG_FILE "conf/httpd.conf" | |
164 | #endif | |
165 | ||
166 | #ifndef RESOURCE_CONFIG_FILE | |
167 | /* The name of the document config file */ | |
168 | #define RESOURCE_CONFIG_FILE "conf/srm.conf" | |
169 | #endif | |
170 | ||
171 | #ifndef TYPES_CONFIG_FILE | |
172 | /* The name of the MIME types file */ | |
173 | #define TYPES_CONFIG_FILE "conf/mime.types" | |
174 | #endif | |
175 | ||
176 | #ifndef ACCESS_CONFIG_FILE | |
177 | /* The name of the access file */ | |
178 | #define ACCESS_CONFIG_FILE "conf/access.conf" | |
179 | #endif | |
180 | ||
181 | /* Whether we should enable rfc1413 identity checking */ | |
182 | #define DEFAULT_RFC1413 0 | |
183 | /* The default directory in user's home dir */ | |
184 | #define DEFAULT_USER_DIR "public_html" | |
185 | ||
186 | /* The default path for CGI scripts if none is currently set */ | |
187 | #ifndef DEFAULT_PATH | |
188 | #define DEFAULT_PATH "/bin:/usr/bin:/usr/ucb:/usr/bsd:/usr/local/bin" | |
189 | #endif | |
190 | ||
191 | /* The path to the Bourne shell, for parsed docs */ | |
192 | #ifndef SHELL_PATH | |
193 | #ifdef __EMX__ | |
194 | /* Set default for OS/2 file system */ | |
195 | #define SHELL_PATH "CMD.EXE" | |
196 | #else | |
197 | #define SHELL_PATH "/bin/sh" | |
198 | #endif | |
199 | #endif | |
200 | ||
201 | /* The path to the suExec wrapper, can be overridden in Configuration */ | |
202 | #ifndef SUEXEC_BIN | |
203 | #define SUEXEC_BIN "/usr/local/etc/httpd/sbin/suexec" | |
204 | #endif | |
205 | ||
206 | /* The default string lengths */ | |
207 | #define MAX_STRING_LEN HUGE_STRING_LEN | |
208 | #define HUGE_STRING_LEN 8192 | |
209 | ||
210 | /* The timeout for waiting for messages */ | |
211 | #define DEFAULT_TIMEOUT 300 | |
212 | ||
213 | /* The timeout for waiting for keepalive timeout until next request */ | |
214 | #define DEFAULT_KEEPALIVE_TIMEOUT 15 | |
215 | ||
216 | /* The number of requests to entertain per connection */ | |
217 | #define DEFAULT_KEEPALIVE 100 | |
218 | ||
219 | /* The size of the server's internal read-write buffers */ | |
220 | #define IOBUFSIZE 8192 | |
221 | ||
222 | /* Number of servers to spawn off by default --- also, if fewer than | |
223 | * this free when the caretaker checks, it will spawn more. | |
224 | */ | |
225 | #define DEFAULT_START_DAEMON 5 | |
226 | ||
227 | /* Maximum number of *free* server processes --- more than this, and | |
228 | * they will die off. | |
229 | */ | |
230 | ||
231 | #define DEFAULT_MAX_FREE_DAEMON 10 | |
232 | ||
233 | /* Minimum --- fewer than this, and more will be created */ | |
234 | ||
235 | #define DEFAULT_MIN_FREE_DAEMON 5 | |
236 | ||
237 | /* Limit on the total --- clients will be locked out if more servers than | |
238 | * this are needed. It is intended solely to keep the server from crashing | |
239 | * when things get out of hand. | |
240 | * | |
241 | * We keep a hard maximum number of servers, for two reasons --- first off, | |
242 | * in case something goes seriously wrong, we want to stop the fork bomb | |
243 | * short of actually crashing the machine we're running on by filling some | |
244 | * kernel table. Secondly, it keeps the size of the scoreboard file small | |
245 | * enough that we can read the whole thing without worrying too much about | |
246 | * the overhead. | |
247 | */ | |
248 | #ifndef HARD_SERVER_LIMIT | |
249 | #define HARD_SERVER_LIMIT 256 | |
250 | #endif | |
251 | ||
252 | /* Number of requests to try to handle in a single process. If <= 0, | |
253 | * the children don't die off. That's the default here, since I'm still | |
254 | * interested in finding and stanching leaks. | |
255 | */ | |
256 | ||
257 | #define DEFAULT_MAX_REQUESTS_PER_CHILD 0 | |
258 | ||
259 | /* If you have altered Apache and wish to change the SERVER_VERSION | |
260 | * identifier below, please keep to the HTTP specification. This states that | |
261 | * the identification string should consist of product tokens with an optional | |
262 | * slash and version designator. Sub-products which form a significant part | |
263 | * of the application can be listed, separated by whitespace, by adding | |
264 | * their product tokens to EXTRA_CFLAGS in the Configuration file like so. | |
265 | * | |
266 | * EXTRA_CFLAGS="-DSERVER_SUBVERSION="MrWidget/0.1-alpha" | |
267 | * | |
268 | * The tokens are listed in order of their significance for identifying the | |
269 | * application. | |
270 | * | |
271 | * "Product tokens should be short and to the point -- use of them for | |
272 | * advertizing or other non-essential information is explicitly forbidden." | |
273 | * | |
274 | * Example: "Apache/1.1.0 MrWidget/0.1-alpha" | |
275 | */ | |
276 | ||
277 | #define SERVER_BASEVERSION "Apache/1.2.6" /* SEE COMMENTS ABOVE */ | |
278 | #ifdef SERVER_SUBVERSION | |
279 | #define SERVER_VERSION SERVER_BASEVERSION " " SERVER_SUBVERSION | |
280 | #else | |
281 | #define SERVER_VERSION SERVER_BASEVERSION | |
282 | #endif | |
283 | ||
284 | /* Numeric release version identifier: major minor bugfix betaseq | |
285 | * Always increases along the same track as the source branch. | |
286 | */ | |
287 | #define APACHE_RELEASE 1020600 | |
288 | ||
289 | #define SERVER_PROTOCOL "HTTP/1.1" | |
290 | #define SERVER_SUPPORT "http://www.apache.org/" | |
291 | ||
292 | #define DECLINED -1 /* Module declines to handle */ | |
293 | #define OK 0 /* Module has handled this stage. */ | |
294 | ||
295 | ||
296 | /* ----------------------- HTTP Status Codes ------------------------- */ | |
297 | ||
298 | #define RESPONSE_CODES 38 | |
299 | ||
300 | #define HTTP_CONTINUE 100 | |
301 | #define HTTP_SWITCHING_PROTOCOLS 101 | |
302 | #define HTTP_OK 200 | |
303 | #define HTTP_CREATED 201 | |
304 | #define HTTP_ACCEPTED 202 | |
305 | #define HTTP_NON_AUTHORITATIVE 203 | |
306 | #define HTTP_NO_CONTENT 204 | |
307 | #define HTTP_RESET_CONTENT 205 | |
308 | #define HTTP_PARTIAL_CONTENT 206 | |
309 | #define HTTP_MULTIPLE_CHOICES 300 | |
310 | #define HTTP_MOVED_PERMANENTLY 301 | |
311 | #define HTTP_MOVED_TEMPORARILY 302 | |
312 | #define HTTP_SEE_OTHER 303 | |
313 | #define HTTP_NOT_MODIFIED 304 | |
314 | #define HTTP_USE_PROXY 305 | |
315 | #define HTTP_BAD_REQUEST 400 | |
316 | #define HTTP_UNAUTHORIZED 401 | |
317 | #define HTTP_PAYMENT_REQUIRED 402 | |
318 | #define HTTP_FORBIDDEN 403 | |
319 | #define HTTP_NOT_FOUND 404 | |
320 | #define HTTP_METHOD_NOT_ALLOWED 405 | |
321 | #define HTTP_NOT_ACCEPTABLE 406 | |
322 | #define HTTP_PROXY_AUTHENTICATION_REQUIRED 407 | |
323 | #define HTTP_REQUEST_TIME_OUT 408 | |
324 | #define HTTP_CONFLICT 409 | |
325 | #define HTTP_GONE 410 | |
326 | #define HTTP_LENGTH_REQUIRED 411 | |
327 | #define HTTP_PRECONDITION_FAILED 412 | |
328 | #define HTTP_REQUEST_ENTITY_TOO_LARGE 413 | |
329 | #define HTTP_REQUEST_URI_TOO_LARGE 414 | |
330 | #define HTTP_UNSUPPORTED_MEDIA_TYPE 415 | |
331 | #define HTTP_INTERNAL_SERVER_ERROR 500 | |
332 | #define HTTP_NOT_IMPLEMENTED 501 | |
333 | #define HTTP_BAD_GATEWAY 502 | |
334 | #define HTTP_SERVICE_UNAVAILABLE 503 | |
335 | #define HTTP_GATEWAY_TIME_OUT 504 | |
336 | #define HTTP_VERSION_NOT_SUPPORTED 505 | |
337 | #define HTTP_VARIANT_ALSO_VARIES 506 | |
338 | ||
339 | #define DOCUMENT_FOLLOWS HTTP_OK | |
340 | #define PARTIAL_CONTENT HTTP_PARTIAL_CONTENT | |
341 | #define MULTIPLE_CHOICES HTTP_MULTIPLE_CHOICES | |
342 | #define MOVED HTTP_MOVED_PERMANENTLY | |
343 | #define REDIRECT HTTP_MOVED_TEMPORARILY | |
344 | #define USE_LOCAL_COPY HTTP_NOT_MODIFIED | |
345 | #define BAD_REQUEST HTTP_BAD_REQUEST | |
346 | #define AUTH_REQUIRED HTTP_UNAUTHORIZED | |
347 | #define FORBIDDEN HTTP_FORBIDDEN | |
348 | #define NOT_FOUND HTTP_NOT_FOUND | |
349 | #define METHOD_NOT_ALLOWED HTTP_METHOD_NOT_ALLOWED | |
350 | #define NOT_ACCEPTABLE HTTP_NOT_ACCEPTABLE | |
351 | #define LENGTH_REQUIRED HTTP_LENGTH_REQUIRED | |
352 | #define PRECONDITION_FAILED HTTP_PRECONDITION_FAILED | |
353 | #define SERVER_ERROR HTTP_INTERNAL_SERVER_ERROR | |
354 | #define NOT_IMPLEMENTED HTTP_NOT_IMPLEMENTED | |
355 | #define BAD_GATEWAY HTTP_BAD_GATEWAY | |
356 | #define VARIANT_ALSO_VARIES HTTP_VARIANT_ALSO_VARIES | |
357 | ||
358 | #define is_HTTP_INFO(x) (((x) >= 100)&&((x) < 200)) | |
359 | #define is_HTTP_SUCCESS(x) (((x) >= 200)&&((x) < 300)) | |
360 | #define is_HTTP_REDIRECT(x) (((x) >= 300)&&((x) < 400)) | |
361 | #define is_HTTP_ERROR(x) (((x) >= 400)&&((x) < 600)) | |
362 | #define is_HTTP_CLIENT_ERROR(x) (((x) >= 400)&&((x) < 500)) | |
363 | #define is_HTTP_SERVER_ERROR(x) (((x) >= 500)&&((x) < 600)) | |
364 | ||
365 | #define status_drops_connection(x) (((x) == HTTP_BAD_REQUEST) || \ | |
366 | ((x) == HTTP_REQUEST_TIME_OUT) || \ | |
367 | ((x) == HTTP_LENGTH_REQUIRED) || \ | |
368 | ((x) == HTTP_REQUEST_ENTITY_TOO_LARGE) || \ | |
369 | ((x) == HTTP_REQUEST_URI_TOO_LARGE) || \ | |
370 | ((x) == HTTP_INTERNAL_SERVER_ERROR) || \ | |
371 | ((x) == HTTP_SERVICE_UNAVAILABLE)) | |
372 | ||
373 | ||
374 | #define METHODS 8 | |
375 | #define M_GET 0 | |
376 | #define M_PUT 1 | |
377 | #define M_POST 2 | |
378 | #define M_DELETE 3 | |
379 | #define M_CONNECT 4 | |
380 | #define M_OPTIONS 5 | |
381 | #define M_TRACE 6 | |
382 | #define M_INVALID 7 | |
383 | ||
384 | #define CGI_MAGIC_TYPE "application/x-httpd-cgi" | |
385 | #define INCLUDES_MAGIC_TYPE "text/x-server-parsed-html" | |
386 | #define INCLUDES_MAGIC_TYPE3 "text/x-server-parsed-html3" | |
387 | #define MAP_FILE_MAGIC_TYPE "application/x-type-map" | |
388 | #define ASIS_MAGIC_TYPE "httpd/send-as-is" | |
389 | #define DIR_MAGIC_TYPE "httpd/unix-directory" | |
390 | #define STATUS_MAGIC_TYPE "application/x-httpd-status" | |
391 | ||
392 | /* Just in case your linefeed isn't the one the other end is expecting. */ | |
393 | #define LF 10 | |
394 | #define CR 13 | |
395 | ||
396 | /* Possible values for request_rec.read_body (set by handling module): | |
397 | * REQUEST_NO_BODY Send 413 error if message has any body | |
398 | * REQUEST_CHUNKED_ERROR Send 411 error if body without Content-Length | |
399 | * REQUEST_CHUNKED_DECHUNK If chunked, remove the chunks for me. | |
400 | * REQUEST_CHUNKED_PASS Pass the chunks to me without removal. | |
401 | */ | |
402 | #define REQUEST_NO_BODY 0 | |
403 | #define REQUEST_CHUNKED_ERROR 1 | |
404 | #define REQUEST_CHUNKED_DECHUNK 2 | |
405 | #define REQUEST_CHUNKED_PASS 3 | |
406 | ||
407 | /* Things which may vary per file-lookup WITHIN a request --- | |
408 | * e.g., state of MIME config. Basically, the name of an object, info | |
409 | * about the object, and any other info we may ahve which may need to | |
410 | * change as we go poking around looking for it (e.g., overridden by | |
411 | * .htaccess files). | |
412 | * | |
413 | * Note how the default state of almost all these things is properly | |
414 | * zero, so that allocating it with pcalloc does the right thing without | |
415 | * a whole lot of hairy initialization... so long as we are willing to | |
416 | * make the (fairly) portable assumption that the bit pattern of a NULL | |
417 | * pointer is, in fact, zero. | |
418 | */ | |
419 | ||
420 | /* This represents the result of calling htaccess; these are cached for | |
421 | * each request. | |
422 | */ | |
423 | struct htaccess_result { | |
424 | char *dir; /* the directory to which this applies */ | |
425 | int override; /* the overrides allowed for the .htaccess file */ | |
426 | void *htaccess; /* the configuration directives */ | |
427 | /* the next one, or NULL if no more; N.B. never change this */ | |
428 | const struct htaccess_result *next; | |
429 | }; | |
430 | ||
431 | ||
432 | typedef struct afs_conn_rec conn_rec; | |
433 | typedef struct server_rec server_rec; | |
434 | typedef struct request_rec request_rec; | |
435 | typedef struct listen_rec listen_rec; | |
436 | ||
437 | struct request_rec { | |
438 | ||
439 | pool *pool; | |
440 | conn_rec *connection; | |
441 | server_rec *server; | |
442 | ||
443 | request_rec *next; /* If we wind up getting redirected, | |
444 | * pointer to the request we redirected to. | |
445 | */ | |
446 | request_rec *prev; /* If this is an internal redirect, | |
447 | * pointer to where we redirected *from*. | |
448 | */ | |
449 | ||
450 | request_rec *main; /* If this is a sub_request (see request.h) | |
451 | * pointer back to the main request. | |
452 | */ | |
453 | ||
454 | /* Info about the request itself... we begin with stuff that only | |
455 | * protocol.c should ever touch... | |
456 | */ | |
457 | ||
458 | char *the_request; /* First line of request, so we can log it */ | |
459 | int assbackwards; /* HTTP/0.9, "simple" request */ | |
460 | int proxyreq; /* A proxy request */ | |
461 | int header_only; /* HEAD request, as opposed to GET */ | |
462 | char *protocol; /* Protocol, as given to us, or HTTP/0.9 */ | |
463 | int proto_num; /* Number version of protocol; 1.1 = 1001 */ | |
464 | char *hostname; /* Host, as set by full URI or Host: */ | |
465 | int hostlen; /* Length of http://host:port in full URI */ | |
466 | ||
467 | time_t request_time; /* When the request started */ | |
468 | ||
469 | char *status_line; /* Status line, if set by script */ | |
470 | int status; /* In any case */ | |
471 | ||
472 | /* Request method, two ways; also, protocol, etc.. Outside of protocol.c, | |
473 | * look, but don't touch. | |
474 | */ | |
475 | ||
476 | char *method; /* GET, HEAD, POST, etc. */ | |
477 | int method_number; /* M_GET, M_POST, etc. */ | |
478 | int allowed; /* Allowed methods - for 405, OPTIONS, etc */ | |
479 | ||
480 | int sent_bodyct; /* byte count in stream is for body */ | |
481 | long bytes_sent; /* body byte count, for easy access */ | |
482 | ||
483 | /* HTTP/1.1 connection-level features */ | |
484 | ||
485 | int chunked; /* sending chunked transfer-coding */ | |
486 | int byterange; /* number of byte ranges */ | |
487 | char *boundary; /* multipart/byteranges boundary */ | |
488 | char *range; /* The Range: header */ | |
489 | long clength; /* The "real" content length */ | |
490 | ||
491 | long remaining; /* bytes left to read */ | |
492 | long read_length; /* bytes that have been read */ | |
493 | int read_body; /* how the request body should be read */ | |
494 | int read_chunked; /* reading chunked transfer-coding */ | |
495 | ||
496 | /* MIME header environments, in and out. Also, an array containing | |
497 | * environment variables to be passed to subprocesses, so people can | |
498 | * write modules to add to that environment. | |
499 | * | |
500 | * The difference between headers_out and err_headers_out is that the | |
501 | * latter are printed even on error, and persist across internal redirects | |
502 | * (so the headers printed for ErrorDocument handlers will have them). | |
503 | * | |
504 | * The 'notes' table is for notes from one module to another, with no | |
505 | * other set purpose in mind... | |
506 | */ | |
507 | ||
508 | table *headers_in; | |
509 | table *headers_out; | |
510 | table *err_headers_out; | |
511 | table *subprocess_env; | |
512 | table *notes; | |
513 | ||
514 | char *content_type; /* Break these out --- we dispatch on 'em */ | |
515 | char *handler; /* What we *really* dispatch on */ | |
516 | ||
517 | char *content_encoding; | |
518 | char *content_language; /* for back-compat. only -- do not use */ | |
519 | array_header *content_languages; /* array of (char*) */ | |
520 | ||
521 | int no_cache; | |
522 | int no_local_copy; | |
523 | ||
524 | /* What object is being requested (either directly, or via include | |
525 | * or content-negotiation mapping). | |
526 | */ | |
527 | ||
528 | char *uri; /* complete URI for a proxy req, or | |
529 | * URL path for a non-proxy req */ | |
530 | char *filename; | |
531 | char *path_info; | |
532 | char *args; /* QUERY_ARGS, if any */ | |
533 | struct stat finfo; /* ST_MODE set to zero if no such file */ | |
534 | ||
535 | /* Various other config info which may change with .htaccess files | |
536 | * These are config vectors, with one void* pointer for each module | |
537 | * (the thing pointed to being the module's business). | |
538 | */ | |
539 | ||
540 | void *per_dir_config; /* Options set in config files, etc. */ | |
541 | void *request_config; /* Notes on *this* request */ | |
542 | ||
543 | /* | |
544 | * a linked list of the configuration directives in the .htaccess files | |
545 | * accessed by this request. | |
546 | * N.B. always add to the head of the list, _never_ to the end. | |
547 | * that way, a sub request's list can (temporarily) point to a parent's list | |
548 | */ | |
549 | const struct htaccess_result *htaccess; | |
550 | }; | |
551 | ||
552 | ||
553 | /* Things which are per connection | |
554 | */ | |
555 | ||
556 | struct afs_conn_rec { | |
557 | ||
558 | pool *pool; | |
559 | server_rec *server; | |
560 | server_rec *base_server; /* Physical vhost this conn come in on */ | |
561 | ||
562 | /* Information about the connection itself */ | |
563 | ||
564 | int child_num; /* The number of the child handling conn_rec */ | |
565 | BUFF *client; /* Connetion to the guy */ | |
566 | int aborted; /* Are we still talking? */ | |
567 | ||
568 | /* Who is the client? */ | |
569 | ||
570 | struct sockaddr_in local_addr; /* local address */ | |
571 | struct sockaddr_in remote_addr; /* remote address */ | |
572 | char *remote_ip; /* Client's IP address */ | |
573 | char *remote_host; /* Client's DNS name, if known. | |
574 | * NULL if DNS hasn't been checked, | |
575 | * "" if it has and no address was found. | |
576 | * N.B. Only access this though | |
577 | * get_remote_host() */ | |
578 | char *remote_logname; /* Only ever set if doing rfc1413 lookups. | |
579 | * N.B. Only access this through | |
580 | * get_remote_logname() */ | |
581 | char *user; /* If an authentication check was made, | |
582 | * this gets set to the user name. We assume | |
583 | * that there's only one user per connection(!) | |
584 | */ | |
585 | char *auth_type; /* Ditto. */ | |
586 | ||
587 | int keepalive; /* Are we using HTTP Keep-Alive? */ | |
588 | int keptalive; /* Did we use HTTP Keep-Alive? */ | |
589 | int keepalives; /* How many times have we used it? */ | |
590 | }; | |
591 | ||
592 | /* Per-vhost config... */ | |
593 | ||
594 | /* The address 255.255.255.255, when used as a virtualhost address, | |
595 | * will become the "default" server when the ip doesn't match other vhosts. | |
596 | */ | |
597 | #define DEFAULT_VHOST_ADDR 0xfffffffful | |
598 | ||
599 | typedef struct server_addr_rec server_addr_rec; | |
600 | struct server_addr_rec { | |
601 | server_addr_rec *next; | |
602 | struct in_addr host_addr; /* The bound address, for this server */ | |
603 | unsigned short host_port; /* The bound port, for this server */ | |
604 | char *virthost; /* The name given in <VirtualHost> */ | |
605 | }; | |
606 | ||
607 | ||
608 | struct server_rec { | |
609 | ||
610 | server_rec *next; | |
611 | ||
612 | /* Full locations of server config info */ | |
613 | ||
614 | char *srm_confname; | |
615 | char *access_confname; | |
616 | ||
617 | /* Contact information */ | |
618 | ||
619 | char *server_admin; | |
620 | char *server_hostname; | |
621 | unsigned short port; /* for redirects, etc. */ | |
622 | ||
623 | /* Log files --- note that transfer log is now in the modules... */ | |
624 | ||
625 | char *error_fname; | |
626 | FILE *error_log; | |
627 | ||
628 | /* Module-specific configuration for server, and defaults... */ | |
629 | ||
630 | int is_virtual; /* true if this is the virtual server */ | |
631 | void *module_config; /* Config vector containing pointers to | |
632 | * modules' per-server config structures. | |
633 | */ | |
634 | void *lookup_defaults; /* MIME type info, etc., before we start | |
635 | * checking per-directory info. | |
636 | */ | |
637 | /* Transaction handling */ | |
638 | ||
639 | server_addr_rec *addrs; | |
640 | int timeout; /* Timeout, in seconds, before we give up */ | |
641 | int keep_alive_timeout; /* Seconds we'll wait for another request */ | |
642 | int keep_alive_max; /* Maximum requests per connection */ | |
643 | int keep_alive; /* Use persistent connections? */ | |
644 | int send_buffer_size; /* size of TCP send buffer (in bytes) */ | |
645 | ||
646 | char *path; /* Pathname for ServerPath */ | |
647 | int pathlen; /* Length of path */ | |
648 | ||
649 | char *names; /* Wildcarded names for ServerAlias servers */ | |
650 | ||
651 | uid_t server_uid; /* effective user id when calling exec wrapper */ | |
652 | gid_t server_gid; /* effective group id when calling exec wrapper */ | |
653 | }; | |
654 | ||
655 | /* These are more like real hosts than virtual hosts */ | |
656 | struct listen_rec { | |
657 | listen_rec *next; | |
658 | struct sockaddr_in local_addr; /* local IP address and port */ | |
659 | int fd; | |
660 | int used; /* Only used during restart */ | |
661 | /* more stuff here, like which protocol is bound to the port */ | |
662 | }; | |
663 | ||
664 | /* Prototypes for utilities... util.c. | |
665 | */ | |
666 | ||
667 | /* Time */ | |
668 | extern const char month_snames[12][4]; | |
669 | ||
670 | struct tm *get_gmtoff(int *tz); | |
671 | char *get_time(); | |
672 | char *ht_time(pool * p, time_t t, const char *fmt, int gmt); | |
673 | char *gm_timestr_822(pool * p, time_t t); | |
674 | ||
675 | /* String handling. The *_nc variants allow you to use non-const char **s as | |
676 | arguments (unfortunately C won't automatically convert a char ** to a const | |
677 | char **) */ | |
678 | ||
679 | char *getword(pool * p, const char **line, char stop); | |
680 | char *getword_nc(pool * p, char **line, char stop); | |
681 | char *getword_white(pool * p, const char **line); | |
682 | char *getword_white_nc(pool * p, char **line); | |
683 | char *getword_nulls(pool * p, const char **line, char stop); | |
684 | char *getword_nulls_nc(pool * p, char **line, char stop); | |
685 | char *getword_conf(pool * p, const char **line); | |
686 | char *getword_conf_nc(pool * p, char **line); | |
687 | ||
688 | char *get_token(pool * p, char **accept_line, int accept_white); | |
689 | int find_token(pool * p, const char *line, const char *tok); | |
690 | int find_last_token(pool * p, const char *line, const char *tok); | |
691 | ||
692 | int is_url(const char *u); | |
693 | extern int unescape_url(char *url); | |
694 | void no2slash(char *name); | |
695 | void getparents(char *name); | |
696 | char *escape_path_segment(pool * p, const char *s); | |
697 | char *os_escape_path(pool * p, const char *path, int partial); | |
698 | #define escape_uri(ppool,path) os_escape_path(ppool,path,1) | |
699 | extern char *escape_html(pool * p, const char *s); | |
700 | char *construct_server(pool * p, const char *hostname, unsigned port); | |
701 | char *construct_url(pool * p, const char *path, const server_rec * s); | |
702 | char *escape_shell_cmd(pool * p, const char *s); | |
703 | ||
704 | int count_dirs(const char *path); | |
705 | char *make_dirstr(pool * a, const char *s, int n); | |
706 | char *make_full_path(pool * a, const char *dir, const char *f); | |
707 | ||
708 | int is_matchexp(const char *str); | |
709 | int strcmp_match(const char *str, const char *exp); | |
710 | int strcasecmp_match(const char *str, const char *exp); | |
711 | char *uudecode(pool *, const char *); | |
712 | ||
713 | char *pregsub(pool * p, const char *input, const char *source, size_t nmatch, | |
714 | regmatch_t pmatch[]); | |
715 | ||
716 | void str_tolower(char *); | |
717 | int ind(const char *, char); /* Sigh... */ | |
718 | int rind(const char *, char); | |
719 | ||
720 | int cfg_getline(char *s, int n, FILE * f); | |
721 | ||
722 | #ifdef NEED_STRERROR | |
723 | char *strerror(int err); | |
724 | #endif | |
725 | ||
726 | /* Misc system hackery */ | |
727 | ||
728 | uid_t uname2id(const char *name); | |
729 | gid_t gname2id(const char *name); | |
730 | int is_directory(const char *name); | |
731 | int can_exec(const struct stat *); | |
732 | void chdir_file(const char *file); | |
733 | ||
734 | char *get_local_host(pool *); | |
735 | unsigned long get_virthost_addr(const char *hostname, unsigned short *port); | |
736 | ||
737 | extern time_t restart_time; | |
738 | ||
739 | /* | |
740 | * Apache tries to keep all of its long term filehandles (such as log files, | |
741 | * and sockets) above this number. This is to workaround problems in many | |
742 | * third party libraries that are compiled with a small FD_SETSIZE. There | |
743 | * should be no reason to lower this, because it's only advisory. If a file | |
744 | * can't be allocated above this number then it will remain in the "slack" | |
745 | * area. | |
746 | * | |
747 | * Only the low slack line is used by default. If HIGH_SLACK_LINE is defined | |
748 | * then an attempt is also made to keep all non-FILE * files above the high | |
749 | * slack line. This is to work around a Solaris C library limitation, where it | |
750 | * uses an unsigned char to store the file descriptor. | |
751 | */ | |
752 | #ifndef LOW_SLACK_LINE | |
753 | #define LOW_SLACK_LINE 15 | |
754 | #endif | |
755 | /* #define HIGH_SLACK_LINE 255 */ | |
756 | ||
757 | /* | |
758 | * The ap_slack() function takes a fd, and tries to move it above the indicated | |
759 | * line. It returns an fd which may or may not have moved above the line, and | |
760 | * never fails. If the high line was requested and it fails it will also try | |
761 | * the low line. | |
762 | */ | |
763 | int ap_slack(int fd, int line); | |
764 | #define AP_SLACK_LOW 1 | |
765 | #define AP_SLACK_HIGH 2 |