1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2015 The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Authors: Rasmus Lerdorf <rasmus@php.net> |
16 | (with helpful hints from Dean Gaudet <dgaudet@arctic.org> |
17 | PHP 4.0 patches by Zeev Suraski <zeev@zend.com> |
18 +----------------------------------------------------------------------+
19 */
20 /* $Id$ */
21
22 #include "php_apache_http.h"
23 #include "http_conf_globals.h"
24
25 #ifdef NETWARE
26 #define SIGPIPE SIGINT
27 #endif
28
29 #undef shutdown
30
31 /* {{{ Prototypes
32 */
33 int apache_php_module_main(request_rec *r, int display_source_mode TSRMLS_DC);
34 static void php_save_umask(void);
35 static void php_restore_umask(void);
36 static int sapi_apache_read_post(char *buffer, uint count_bytes TSRMLS_DC);
37 static char *sapi_apache_read_cookies(TSRMLS_D);
38 static int sapi_apache_header_handler(sapi_header_struct *sapi_header, sapi_header_op_enum op, sapi_headers_struct *sapi_headers TSRMLS_DC);
39 static int sapi_apache_send_headers(sapi_headers_struct *sapi_headers TSRMLS_DC);
40 static int send_php(request_rec *r, int display_source_mode, char *filename);
41 static int send_parsed_php(request_rec * r);
42 static int send_parsed_php_source(request_rec * r);
43 static int php_xbithack_handler(request_rec * r);
44 static void php_init_handler(server_rec *s, pool *p);
45 /* }}} */
46
47 #if MODULE_MAGIC_NUMBER >= 19970728
48 static void php_child_exit_handler(server_rec *s, pool *p);
49 #endif
50
51 #if MODULE_MAGIC_NUMBER > 19961007
52 #define CONST_PREFIX const
53 #else
54 #define CONST_PREFIX
55 #endif
56 static CONST_PREFIX char *php_apache_value_handler_ex(cmd_parms *cmd, HashTable *conf, char *arg1, char *arg2, int mode);
57 static CONST_PREFIX char *php_apache_value_handler(cmd_parms *cmd, HashTable *conf, char *arg1, char *arg2);
58 static CONST_PREFIX char *php_apache_admin_value_handler(cmd_parms *cmd, HashTable *conf, char *arg1, char *arg2);
59 static CONST_PREFIX char *php_apache_flag_handler(cmd_parms *cmd, HashTable *conf, char *arg1, char *arg2);
60 static CONST_PREFIX char *php_apache_flag_handler_ex(cmd_parms *cmd, HashTable *conf, char *arg1, char *arg2, int mode);
61 static CONST_PREFIX char *php_apache_admin_flag_handler(cmd_parms *cmd, HashTable *conf, char *arg1, char *arg2);
62
63 /* ### these should be defined in mod_php5.h or somewhere else */
64 #define USE_PATH 1
65 #define IGNORE_URL 2
66 #define MAX_STATUS_LENGTH sizeof("xxxx LONGEST POSSIBLE STATUS DESCRIPTION")
67
68 module MODULE_VAR_EXPORT php5_module;
69
70 int saved_umask;
71 static unsigned char apache_php_initialized;
72
73 typedef struct _php_per_dir_entry {
74 char *key;
75 char *value;
76 uint key_length;
77 uint value_length;
78 int type;
79 char htaccess;
80 } php_per_dir_entry;
81
82 /* some systems are missing these from their header files */
83
84 /* {{{ php_save_umask
85 */
php_save_umask(void)86 static void php_save_umask(void)
87 {
88 saved_umask = umask(077);
89 umask(saved_umask);
90 }
91 /* }}} */
92
93 /* {{{ sapi_apache_ub_write
94 */
sapi_apache_ub_write(const char * str,uint str_length TSRMLS_DC)95 static int sapi_apache_ub_write(const char *str, uint str_length TSRMLS_DC)
96 {
97 int ret=0;
98
99 if (SG(server_context)) {
100 ret = rwrite(str, str_length, (request_rec *) SG(server_context));
101 }
102 if (ret != str_length) {
103 php_handle_aborted_connection();
104 }
105 return ret;
106 }
107 /* }}} */
108
109 /* {{{ sapi_apache_flush
110 */
sapi_apache_flush(void * server_context)111 static void sapi_apache_flush(void *server_context)
112 {
113 if (server_context) {
114 #if MODULE_MAGIC_NUMBER > 19970110
115 rflush((request_rec *) server_context);
116 #else
117 bflush((request_rec *) server_context->connection->client);
118 #endif
119 }
120 }
121 /* }}} */
122
123 /* {{{ sapi_apache_read_post
124 */
sapi_apache_read_post(char * buffer,uint count_bytes TSRMLS_DC)125 static int sapi_apache_read_post(char *buffer, uint count_bytes TSRMLS_DC)
126 {
127 int total_read_bytes=0, read_bytes;
128 request_rec *r = (request_rec *) SG(server_context);
129 void (*handler)(int);
130
131 /*
132 * This handles the situation where the browser sends a Expect: 100-continue header
133 * and needs to receive confirmation from the server on whether or not it can send
134 * the rest of the request. RFC 2616
135 *
136 */
137 if (!SG(read_post_bytes) && !ap_should_client_block(r)) {
138 return total_read_bytes;
139 }
140
141 handler = signal(SIGPIPE, SIG_IGN);
142 while (total_read_bytes<count_bytes) {
143 hard_timeout("Read POST information", r); /* start timeout timer */
144 read_bytes = get_client_block(r, buffer+total_read_bytes, count_bytes-total_read_bytes);
145 reset_timeout(r);
146 if (read_bytes<=0) {
147 break;
148 }
149 total_read_bytes += read_bytes;
150 }
151 signal(SIGPIPE, handler);
152 return total_read_bytes;
153 }
154 /* }}} */
155
156 /* {{{ sapi_apache_read_cookies
157 */
sapi_apache_read_cookies(TSRMLS_D)158 static char *sapi_apache_read_cookies(TSRMLS_D)
159 {
160 return (char *) table_get(((request_rec *) SG(server_context))->subprocess_env, "HTTP_COOKIE");
161 }
162 /* }}} */
163
164 /* {{{ sapi_apache_header_handler
165 */
sapi_apache_header_handler(sapi_header_struct * sapi_header,sapi_header_op_enum op,sapi_headers_struct * sapi_headers TSRMLS_DC)166 static int sapi_apache_header_handler(sapi_header_struct *sapi_header, sapi_header_op_enum op, sapi_headers_struct *sapi_headers TSRMLS_DC)
167 {
168 char *header_name, *header_content, *p;
169 request_rec *r = (request_rec *) SG(server_context);
170 if(!r) {
171 return 0;
172 }
173
174 switch(op) {
175 case SAPI_HEADER_DELETE_ALL:
176 clear_table(r->headers_out);
177 return 0;
178
179 case SAPI_HEADER_DELETE:
180 table_unset(r->headers_out, sapi_header->header);
181 return 0;
182
183 case SAPI_HEADER_ADD:
184 case SAPI_HEADER_REPLACE:
185 header_name = sapi_header->header;
186
187 header_content = p = strchr(header_name, ':');
188 if (!p) {
189 return 0;
190 }
191
192 *p = 0;
193 do {
194 header_content++;
195 } while (*header_content==' ');
196
197 if (!strcasecmp(header_name, "Content-Type")) {
198 r->content_type = pstrdup(r->pool, header_content);
199 } else if (!strcasecmp(header_name, "Content-Length")) {
200 ap_set_content_length(r, strtol(header_content, (char **)NULL, 10));
201 } else if (!strcasecmp(header_name, "Set-Cookie")) {
202 table_add(r->headers_out, header_name, header_content);
203 } else if (op == SAPI_HEADER_REPLACE) {
204 table_set(r->headers_out, header_name, header_content);
205 } else {
206 table_add(r->headers_out, header_name, header_content);
207 }
208
209 *p = ':'; /* a well behaved header handler shouldn't change its original arguments */
210
211 return SAPI_HEADER_ADD;
212
213 default:
214 return 0;
215 }
216 }
217 /* }}} */
218
219 /* {{{ sapi_apache_send_headers
220 */
sapi_apache_send_headers(sapi_headers_struct * sapi_headers TSRMLS_DC)221 static int sapi_apache_send_headers(sapi_headers_struct *sapi_headers TSRMLS_DC)
222 {
223 request_rec *r = SG(server_context);
224 const char *sline = SG(sapi_headers).http_status_line;
225 int sline_len;
226
227 if(r == NULL) { /* server_context is not here anymore */
228 return SAPI_HEADER_SEND_FAILED;
229 }
230
231 r->status = SG(sapi_headers).http_response_code;
232
233 /* httpd requires that r->status_line is set to the first digit of
234 * the status-code: */
235 if (sline && ((sline_len = strlen(sline)) > 12) && strncmp(sline, "HTTP/1.", 7) == 0 && sline[8] == ' ' && sline[12] == ' ') {
236 if ((sline_len - 9) > MAX_STATUS_LENGTH) {
237 r->status_line = ap_pstrndup(r->pool, sline + 9, MAX_STATUS_LENGTH);
238 } else {
239 r->status_line = ap_pstrndup(r->pool, sline + 9, sline_len - 9);
240 }
241 }
242
243 if(r->status==304) {
244 send_error_response(r,0);
245 } else {
246 send_http_header(r);
247 }
248 return SAPI_HEADER_SENT_SUCCESSFULLY;
249 }
250 /* }}} */
251
252 /* {{{ sapi_apache_register_server_variables
253 */
sapi_apache_register_server_variables(zval * track_vars_array TSRMLS_DC)254 static void sapi_apache_register_server_variables(zval *track_vars_array TSRMLS_DC)
255 {
256 register int i;
257 array_header *arr = table_elts(((request_rec *) SG(server_context))->subprocess_env);
258 table_entry *elts = (table_entry *) arr->elts;
259 zval **path_translated;
260 HashTable *symbol_table;
261 unsigned int new_val_len;
262
263 for (i = 0; i < arr->nelts; i++) {
264 char *val;
265 int val_len;
266
267 if (elts[i].val) {
268 val = elts[i].val;
269 } else {
270 val = "";
271 }
272 val_len = strlen(val);
273 if (sapi_module.input_filter(PARSE_SERVER, elts[i].key, &val, val_len, &new_val_len TSRMLS_CC)) {
274 php_register_variable_safe(elts[i].key, val, new_val_len, track_vars_array TSRMLS_CC);
275 }
276 }
277
278 /* If PATH_TRANSLATED doesn't exist, copy it from SCRIPT_FILENAME */
279 if (track_vars_array) {
280 symbol_table = track_vars_array->value.ht;
281 } else {
282 symbol_table = NULL;
283 }
284 if (symbol_table
285 && !zend_hash_exists(symbol_table, "PATH_TRANSLATED", sizeof("PATH_TRANSLATED"))
286 && zend_hash_find(symbol_table, "SCRIPT_FILENAME", sizeof("SCRIPT_FILENAME"), (void **) &path_translated)==SUCCESS) {
287 php_register_variable("PATH_TRANSLATED", Z_STRVAL_PP(path_translated), track_vars_array TSRMLS_CC);
288 }
289
290 if (sapi_module.input_filter(PARSE_SERVER, "PHP_SELF", &((request_rec *) SG(server_context))->uri, strlen(((request_rec *) SG(server_context))->uri), &new_val_len TSRMLS_CC)) {
291 php_register_variable("PHP_SELF", ((request_rec *) SG(server_context))->uri, track_vars_array TSRMLS_CC);
292 }
293 }
294 /* }}} */
295
296 /* {{{ php_apache_startup
297 */
php_apache_startup(sapi_module_struct * sapi_module)298 static int php_apache_startup(sapi_module_struct *sapi_module)
299 {
300 if (php_module_startup(sapi_module, &apache_module_entry, 1) == FAILURE) {
301 return FAILURE;
302 } else {
303 return SUCCESS;
304 }
305 }
306 /* }}} */
307
308 /* {{{ php_apache_log_message
309 */
php_apache_log_message(char * message TSRMLS_DC)310 static void php_apache_log_message(char *message TSRMLS_DC)
311 {
312 if (SG(server_context)) {
313 #if MODULE_MAGIC_NUMBER >= 19970831
314 aplog_error(NULL, 0, APLOG_ERR | APLOG_NOERRNO, ((request_rec *) SG(server_context))->server, "%s", message);
315 #else
316 log_error(message, ((request_rec *) SG(server_context))->server);
317 #endif
318 } else {
319 fprintf(stderr, "%s\n", message);
320 }
321 }
322 /* }}} */
323
324 /* {{{ php_apache_request_shutdown
325 */
php_apache_request_shutdown(void * dummy)326 static void php_apache_request_shutdown(void *dummy)
327 {
328 TSRMLS_FETCH();
329
330 php_output_set_status(PHP_OUTPUT_DISABLED TSRMLS_CC);
331 if (AP(in_request)) {
332 AP(in_request) = 0;
333 php_request_shutdown(dummy);
334 }
335 SG(server_context) = NULL;
336 /*
337 * The server context (request) is NOT invalid by the time
338 * run_cleanups() is called
339 */
340 }
341 /* }}} */
342
343 /* {{{ php_apache_sapi_activate
344 */
php_apache_sapi_activate(TSRMLS_D)345 static int php_apache_sapi_activate(TSRMLS_D)
346 {
347 request_rec *r = (request_rec *) SG(server_context);
348
349 /*
350 * For the Apache module version, this bit of code registers a cleanup
351 * function that gets triggered when our request pool is destroyed.
352 * We need this because at any point in our code we can be interrupted
353 * and that may happen before we have had time to free our memory.
354 * The php_request_shutdown function needs to free all outstanding allocated
355 * memory.
356 */
357 block_alarms();
358 register_cleanup(r->pool, NULL, php_apache_request_shutdown, php_request_shutdown_for_exec);
359 AP(in_request)=1;
360 unblock_alarms();
361
362 /* Override the default headers_only value - sometimes "GET" requests should actually only
363 * send headers.
364 */
365 SG(request_info).headers_only = r->header_only;
366 return SUCCESS;
367 }
368 /* }}} */
369
370 /* {{{ php_apache_get_stat
371 */
php_apache_get_stat(TSRMLS_D)372 static struct stat *php_apache_get_stat(TSRMLS_D)
373 {
374 return &((request_rec *) SG(server_context))->finfo;
375 }
376 /* }}} */
377
378 /* {{{ php_apache_getenv
379 */
php_apache_getenv(char * name,size_t name_len TSRMLS_DC)380 static char *php_apache_getenv(char *name, size_t name_len TSRMLS_DC)
381 {
382 if (SG(server_context) == NULL) {
383 return NULL;
384 }
385
386 return (char *) table_get(((request_rec *) SG(server_context))->subprocess_env, name);
387 }
388 /* }}} */
389
390 /* {{{ sapi_apache_get_fd
391 */
sapi_apache_get_fd(int * nfd TSRMLS_DC)392 static int sapi_apache_get_fd(int *nfd TSRMLS_DC)
393 {
394 #if PHP_APACHE_HAVE_CLIENT_FD
395 request_rec *r = SG(server_context);
396 int fd;
397
398 fd = r->connection->client->fd;
399
400 if (fd >= 0) {
401 if (nfd) *nfd = fd;
402 return SUCCESS;
403 }
404 #endif
405 return FAILURE;
406 }
407 /* }}} */
408
409 /* {{{ sapi_apache_force_http_10
410 */
sapi_apache_force_http_10(TSRMLS_D)411 static int sapi_apache_force_http_10(TSRMLS_D)
412 {
413 request_rec *r = SG(server_context);
414
415 r->proto_num = HTTP_VERSION(1,0);
416
417 return SUCCESS;
418 }
419 /* }}} */
420
421 /* {{{ sapi_apache_get_target_uid
422 */
sapi_apache_get_target_uid(uid_t * obj TSRMLS_DC)423 static int sapi_apache_get_target_uid(uid_t *obj TSRMLS_DC)
424 {
425 *obj = ap_user_id;
426 return SUCCESS;
427 }
428 /* }}} */
429
430 /* {{{ sapi_apache_get_target_gid
431 */
sapi_apache_get_target_gid(gid_t * obj TSRMLS_DC)432 static int sapi_apache_get_target_gid(gid_t *obj TSRMLS_DC)
433 {
434 *obj = ap_group_id;
435 return SUCCESS;
436 }
437 /* }}} */
438
439 /* {{{ php_apache_get_request_time
440 */
php_apache_get_request_time(TSRMLS_D)441 static double php_apache_get_request_time(TSRMLS_D)
442 {
443 return (double) ((request_rec *)SG(server_context))->request_time;
444 }
445 /* }}} */
446
447 /* {{{ sapi_apache_child_terminate
448 */
sapi_apache_child_terminate(TSRMLS_D)449 static void sapi_apache_child_terminate(TSRMLS_D)
450 {
451 #ifndef MULTITHREAD
452 ap_child_terminate((request_rec *)SG(server_context));
453 #endif
454 }
455 /* }}} */
456
457 /* {{{ sapi_module_struct apache_sapi_module
458 */
459 static sapi_module_struct apache_sapi_module = {
460 "apache", /* name */
461 "Apache", /* pretty name */
462
463 php_apache_startup, /* startup */
464 php_module_shutdown_wrapper, /* shutdown */
465
466 php_apache_sapi_activate, /* activate */
467 NULL, /* deactivate */
468
469 sapi_apache_ub_write, /* unbuffered write */
470 sapi_apache_flush, /* flush */
471 php_apache_get_stat, /* get uid */
472 php_apache_getenv, /* getenv */
473
474 php_error, /* error handler */
475
476 sapi_apache_header_handler, /* header handler */
477 sapi_apache_send_headers, /* send headers handler */
478 NULL, /* send header handler */
479
480 sapi_apache_read_post, /* read POST data */
481 sapi_apache_read_cookies, /* read Cookies */
482
483 sapi_apache_register_server_variables, /* register server variables */
484 php_apache_log_message, /* Log message */
485 php_apache_get_request_time, /* Get request time */
486 sapi_apache_child_terminate,
487
488 NULL, /* php.ini path override */
489
490 #ifdef PHP_WIN32
491 NULL,
492 NULL,
493 #else
494 block_alarms, /* Block interruptions */
495 unblock_alarms, /* Unblock interruptions */
496 #endif
497
498 NULL, /* default post reader */
499 NULL, /* treat data */
500 NULL, /* exe location */
501 0, /* ini ignore */
502 0, /* ini ignore cwd */
503 sapi_apache_get_fd,
504 sapi_apache_force_http_10,
505 sapi_apache_get_target_uid,
506 sapi_apache_get_target_gid
507 };
508 /* }}} */
509
510 /* {{{ php_restore_umask
511 */
php_restore_umask(void)512 static void php_restore_umask(void)
513 {
514 umask(saved_umask);
515 }
516 /* }}} */
517
518 /* {{{ init_request_info
519 */
init_request_info(TSRMLS_D)520 static void init_request_info(TSRMLS_D)
521 {
522 request_rec *r = ((request_rec *) SG(server_context));
523 char *content_length = (char *) table_get(r->subprocess_env, "CONTENT_LENGTH");
524 const char *authorization=NULL;
525 char *tmp, *tmp_user;
526
527 SG(request_info).query_string = r->args;
528 SG(request_info).path_translated = r->filename;
529 SG(request_info).request_uri = r->uri;
530 SG(request_info).request_method = (char *)r->method;
531 SG(request_info).content_type = (char *) table_get(r->subprocess_env, "CONTENT_TYPE");
532 SG(request_info).content_length = (content_length ? atol(content_length) : 0);
533 SG(sapi_headers).http_response_code = r->status;
534 SG(request_info).proto_num = r->proto_num;
535
536 if (r->headers_in) {
537 authorization = table_get(r->headers_in, "Authorization");
538 }
539
540 SG(request_info).auth_user = NULL;
541 SG(request_info).auth_password = NULL;
542 SG(request_info).auth_digest = NULL;
543
544 if (authorization) {
545 char *p = getword(r->pool, &authorization, ' ');
546 if (!strcasecmp(p, "Basic")) {
547 tmp = uudecode(r->pool, authorization);
548 tmp_user = getword_nulls_nc(r->pool, &tmp, ':');
549 if (tmp_user) {
550 r->connection->user = pstrdup(r->connection->pool, tmp_user);
551 r->connection->ap_auth_type = "Basic";
552 SG(request_info).auth_user = estrdup(tmp_user);
553 }
554 if (tmp) {
555 SG(request_info).auth_password = estrdup(tmp);
556 }
557 } else if (!strcasecmp(p, "Digest")) {
558 r->connection->ap_auth_type = "Digest";
559 SG(request_info).auth_digest = estrdup(authorization);
560 }
561 }
562 }
563 /* }}} */
564
565 /* {{{ php_apache_alter_ini_entries
566 */
php_apache_alter_ini_entries(php_per_dir_entry * per_dir_entry TSRMLS_DC)567 static int php_apache_alter_ini_entries(php_per_dir_entry *per_dir_entry TSRMLS_DC)
568 {
569 zend_alter_ini_entry(per_dir_entry->key, per_dir_entry->key_length+1, per_dir_entry->value, per_dir_entry->value_length, per_dir_entry->type, per_dir_entry->htaccess?PHP_INI_STAGE_HTACCESS:PHP_INI_STAGE_ACTIVATE);
570 return 0;
571 }
572 /* }}} */
573
574 /* {{{ php_apache_get_default_mimetype
575 */
php_apache_get_default_mimetype(request_rec * r TSRMLS_DC)576 static char *php_apache_get_default_mimetype(request_rec *r TSRMLS_DC)
577 {
578
579 char *mimetype;
580 if (SG(default_mimetype) || SG(default_charset)) {
581 /* Assume output will be of the default MIME type. Individual
582 scripts may change this later. */
583 char *tmpmimetype;
584 tmpmimetype = sapi_get_default_content_type(TSRMLS_C);
585 mimetype = pstrdup(r->pool, tmpmimetype);
586 efree(tmpmimetype);
587 } else {
588 mimetype = SAPI_DEFAULT_MIMETYPE "; charset=" SAPI_DEFAULT_CHARSET;
589 }
590 return mimetype;
591 }
592 /* }}} */
593
594 /* {{{ send_php
595 */
send_php(request_rec * r,int display_source_mode,char * filename)596 static int send_php(request_rec *r, int display_source_mode, char *filename)
597 {
598 int retval;
599 HashTable *per_dir_conf;
600 TSRMLS_FETCH();
601
602 if (AP(in_request)) {
603 zend_file_handle fh;
604
605 fh.filename = r->filename;
606 fh.opened_path = NULL;
607 fh.free_filename = 0;
608 fh.type = ZEND_HANDLE_FILENAME;
609
610 zend_execute_scripts(ZEND_INCLUDE TSRMLS_CC, NULL, 1, &fh);
611 return OK;
612 }
613
614 SG(server_context) = r;
615
616 zend_first_try {
617
618 /* Make sure file exists */
619 if (filename == NULL && r->finfo.st_mode == 0) {
620 return DECLINED;
621 }
622
623 per_dir_conf = (HashTable *) get_module_config(r->per_dir_config, &php5_module);
624 if (per_dir_conf) {
625 zend_hash_apply((HashTable *) per_dir_conf, (apply_func_t) php_apache_alter_ini_entries TSRMLS_CC);
626 }
627
628 /* If PHP parser engine has been turned off with an "engine off"
629 * directive, then decline to handle this request
630 */
631 if (!AP(engine)) {
632 r->content_type = php_apache_get_default_mimetype(r TSRMLS_CC);
633 zend_try {
634 zend_ini_deactivate(TSRMLS_C);
635 } zend_end_try();
636 return DECLINED;
637 }
638 if (filename == NULL) {
639 filename = r->filename;
640 }
641
642 /* Apache 1.2 has a more complex mechanism for reading POST data */
643 #if MODULE_MAGIC_NUMBER > 19961007
644 if ((retval = setup_client_block(r, REQUEST_CHUNKED_DECHUNK))) {
645 zend_try {
646 zend_ini_deactivate(TSRMLS_C);
647 } zend_end_try();
648 return retval;
649 }
650 #endif
651
652 if (AP(last_modified)) {
653 #if MODULE_MAGIC_NUMBER < 19970912
654 if ((retval = set_last_modified(r, r->finfo.st_mtime))) {
655 zend_try {
656 zend_ini_deactivate(TSRMLS_C);
657 } zend_end_try();
658 return retval;
659 }
660 #else
661 update_mtime (r, r->finfo.st_mtime);
662 set_last_modified(r);
663 set_etag(r);
664 #endif
665 }
666 /* Assume output will be of the default MIME type. Individual
667 scripts may change this later in the request. */
668 r->content_type = php_apache_get_default_mimetype(r TSRMLS_CC);
669
670 /* Init timeout */
671 hard_timeout("send", r);
672
673 php_save_umask();
674 add_common_vars(r);
675 add_cgi_vars(r);
676
677 init_request_info(TSRMLS_C);
678 apache_php_module_main(r, display_source_mode TSRMLS_CC);
679
680 /* Done, restore umask, turn off timeout, close file and return */
681 php_restore_umask();
682 kill_timeout(r);
683 } zend_end_try();
684
685 return OK;
686 }
687 /* }}} */
688
689 /* {{{ send_parsed_php
690 */
send_parsed_php(request_rec * r)691 static int send_parsed_php(request_rec * r)
692 {
693 int result = send_php(r, 0, NULL);
694 TSRMLS_FETCH();
695
696 ap_table_setn(r->notes, "mod_php_memory_usage",
697 ap_psprintf(r->pool, "%lu", zend_memory_peak_usage(1 TSRMLS_CC)));
698
699 return result;
700 }
701 /* }}} */
702
703 /* {{{ send_parsed_php_source
704 */
send_parsed_php_source(request_rec * r)705 static int send_parsed_php_source(request_rec * r)
706 {
707 return send_php(r, 1, NULL);
708 }
709 /* }}} */
710
711 /* {{{ destroy_per_dir_entry
712 */
destroy_per_dir_entry(php_per_dir_entry * per_dir_entry)713 static void destroy_per_dir_entry(php_per_dir_entry *per_dir_entry)
714 {
715 free(per_dir_entry->key);
716 free(per_dir_entry->value);
717 }
718 /* }}} */
719
720 /* {{{ copy_per_dir_entry
721 */
copy_per_dir_entry(php_per_dir_entry * per_dir_entry)722 static void copy_per_dir_entry(php_per_dir_entry *per_dir_entry)
723 {
724 php_per_dir_entry tmp = *per_dir_entry;
725
726 per_dir_entry->key = (char *) malloc(tmp.key_length+1);
727 memcpy(per_dir_entry->key, tmp.key, tmp.key_length);
728 per_dir_entry->key[per_dir_entry->key_length] = 0;
729
730 per_dir_entry->value = (char *) malloc(tmp.value_length+1);
731 memcpy(per_dir_entry->value, tmp.value, tmp.value_length);
732 per_dir_entry->value[per_dir_entry->value_length] = 0;
733 }
734 /* }}} */
735
736 /* {{{ should_overwrite_per_dir_entry
737 */
should_overwrite_per_dir_entry(HashTable * target_ht,php_per_dir_entry * new_per_dir_entry,zend_hash_key * hash_key,void * pData)738 static zend_bool should_overwrite_per_dir_entry(HashTable *target_ht, php_per_dir_entry *new_per_dir_entry, zend_hash_key *hash_key, void *pData)
739 {
740 php_per_dir_entry *orig_per_dir_entry;
741
742 if (zend_hash_find(target_ht, hash_key->arKey, hash_key->nKeyLength, (void **) &orig_per_dir_entry)==FAILURE) {
743 return 1; /* does not exist in dest, copy from source */
744 }
745
746 if (orig_per_dir_entry->type==PHP_INI_SYSTEM
747 && new_per_dir_entry->type!=PHP_INI_SYSTEM) {
748 return 0;
749 } else {
750 return 1;
751 }
752 }
753 /* }}} */
754
755 /* {{{ php_destroy_per_dir_info
756 */
php_destroy_per_dir_info(HashTable * per_dir_info)757 static void php_destroy_per_dir_info(HashTable *per_dir_info)
758 {
759 zend_hash_destroy(per_dir_info);
760 free(per_dir_info);
761 }
762 /* }}} */
763
764 /* {{{ php_create_dir
765 */
php_create_dir(pool * p,char * dummy)766 static void *php_create_dir(pool *p, char *dummy)
767 {
768 HashTable *per_dir_info;
769
770 per_dir_info = (HashTable *) malloc(sizeof(HashTable));
771 zend_hash_init_ex(per_dir_info, 5, NULL, (void (*)(void *)) destroy_per_dir_entry, 1, 0);
772 register_cleanup(p, (void *) per_dir_info, (void (*)(void *)) php_destroy_per_dir_info, (void (*)(void *)) zend_hash_destroy);
773
774 return per_dir_info;
775 }
776 /* }}} */
777
778 /* {{{ php_merge_dir
779 */
php_merge_dir(pool * p,void * basev,void * addv)780 static void *php_merge_dir(pool *p, void *basev, void *addv)
781 {
782 /* This function *must* not modify addv or basev */
783 HashTable *new;
784
785 /* need a copy of addv to merge */
786 new = php_create_dir(p, "php_merge_dir");
787 zend_hash_copy(new, (HashTable *) basev, (copy_ctor_func_t) copy_per_dir_entry, NULL, sizeof(php_per_dir_entry));
788
789 zend_hash_merge_ex(new, (HashTable *) addv, (copy_ctor_func_t) copy_per_dir_entry, sizeof(php_per_dir_entry), (merge_checker_func_t) should_overwrite_per_dir_entry, NULL);
790 return new;
791 }
792 /* }}} */
793
794 /* {{{ php_apache_value_handler_ex
795 */
php_apache_value_handler_ex(cmd_parms * cmd,HashTable * conf,char * arg1,char * arg2,int mode)796 static CONST_PREFIX char *php_apache_value_handler_ex(cmd_parms *cmd, HashTable *conf, char *arg1, char *arg2, int mode)
797 {
798 php_per_dir_entry per_dir_entry;
799
800 if (!apache_php_initialized) {
801 apache_php_initialized = 1;
802 #ifdef ZTS
803 tsrm_startup(1, 1, 0, NULL);
804 #endif
805 sapi_startup(&apache_sapi_module);
806 php_apache_startup(&apache_sapi_module);
807 }
808 per_dir_entry.type = mode;
809 per_dir_entry.htaccess = ((cmd->override & (RSRC_CONF|ACCESS_CONF)) == 0);
810
811 if (strcasecmp(arg2, "none") == 0) {
812 arg2 = "";
813 }
814
815 per_dir_entry.key_length = strlen(arg1);
816 per_dir_entry.value_length = strlen(arg2);
817
818 per_dir_entry.key = (char *) malloc(per_dir_entry.key_length+1);
819 memcpy(per_dir_entry.key, arg1, per_dir_entry.key_length);
820 per_dir_entry.key[per_dir_entry.key_length] = 0;
821
822 per_dir_entry.value = (char *) malloc(per_dir_entry.value_length+1);
823 memcpy(per_dir_entry.value, arg2, per_dir_entry.value_length);
824 per_dir_entry.value[per_dir_entry.value_length] = 0;
825
826 zend_hash_update(conf, per_dir_entry.key, per_dir_entry.key_length, &per_dir_entry, sizeof(php_per_dir_entry), NULL);
827 return NULL;
828 }
829 /* }}} */
830
831 /* {{{ php_apache_value_handler
832 */
php_apache_value_handler(cmd_parms * cmd,HashTable * conf,char * arg1,char * arg2)833 static CONST_PREFIX char *php_apache_value_handler(cmd_parms *cmd, HashTable *conf, char *arg1, char *arg2)
834 {
835 return php_apache_value_handler_ex(cmd, conf, arg1, arg2, PHP_INI_PERDIR);
836 }
837 /* }}} */
838
839 /* {{{ php_apache_admin_value_handler
840 */
php_apache_admin_value_handler(cmd_parms * cmd,HashTable * conf,char * arg1,char * arg2)841 static CONST_PREFIX char *php_apache_admin_value_handler(cmd_parms *cmd, HashTable *conf, char *arg1, char *arg2)
842 {
843 return php_apache_value_handler_ex(cmd, conf, arg1, arg2, PHP_INI_SYSTEM);
844 }
845 /* }}} */
846
847 /* {{{ php_apache_flag_handler_ex
848 */
php_apache_flag_handler_ex(cmd_parms * cmd,HashTable * conf,char * arg1,char * arg2,int mode)849 static CONST_PREFIX char *php_apache_flag_handler_ex(cmd_parms *cmd, HashTable *conf, char *arg1, char *arg2, int mode)
850 {
851 char bool_val[2];
852
853 if (!strcasecmp(arg2, "On") || (arg2[0] == '1' && arg2[1] == '\0')) {
854 bool_val[0] = '1';
855 } else {
856 bool_val[0] = '0';
857 }
858 bool_val[1] = 0;
859
860 return php_apache_value_handler_ex(cmd, conf, arg1, bool_val, mode);
861 }
862 /* }}} */
863
864 /* {{{ php_apache_flag_handler
865 */
php_apache_flag_handler(cmd_parms * cmd,HashTable * conf,char * arg1,char * arg2)866 static CONST_PREFIX char *php_apache_flag_handler(cmd_parms *cmd, HashTable *conf, char *arg1, char *arg2)
867 {
868 return php_apache_flag_handler_ex(cmd, conf, arg1, arg2, PHP_INI_PERDIR);
869 }
870 /* }}} */
871
872 /* {{{ php_apache_admin_flag_handler
873 */
php_apache_admin_flag_handler(cmd_parms * cmd,HashTable * conf,char * arg1,char * arg2)874 static CONST_PREFIX char *php_apache_admin_flag_handler(cmd_parms *cmd, HashTable *conf, char *arg1, char *arg2)
875 {
876 return php_apache_flag_handler_ex(cmd, conf, arg1, arg2, PHP_INI_SYSTEM);
877 }
878 /* }}} */
879
880 /* {{{ php_apache_phpini_set
881 */
php_apache_phpini_set(cmd_parms * cmd,HashTable * conf,char * arg)882 static CONST_PREFIX char *php_apache_phpini_set(cmd_parms *cmd, HashTable *conf, char *arg)
883 {
884 if (apache_sapi_module.php_ini_path_override) {
885 return "Only first PHPINIDir directive honored per configuration tree - subsequent ones ignored";
886 }
887 apache_sapi_module.php_ini_path_override = ap_server_root_relative(cmd->pool, arg);
888 return NULL;
889 }
890 /* }}} */
891
892 /* {{{ int php_xbithack_handler(request_rec * r)
893 */
php_xbithack_handler(request_rec * r)894 static int php_xbithack_handler(request_rec * r)
895 {
896 HashTable *per_dir_conf;
897 TSRMLS_FETCH();
898
899 if (!(r->finfo.st_mode & S_IXUSR)) {
900 return DECLINED;
901 }
902 per_dir_conf = (HashTable *) get_module_config(r->per_dir_config, &php5_module);
903 if (per_dir_conf) {
904 zend_hash_apply((HashTable *) per_dir_conf, (apply_func_t) php_apache_alter_ini_entries TSRMLS_CC);
905 }
906 if(!AP(xbithack)) {
907 zend_try {
908 zend_ini_deactivate(TSRMLS_C);
909 } zend_end_try();
910 return DECLINED;
911 }
912 return send_parsed_php(r);
913 }
914 /* }}} */
915
916 /* {{{ apache_php_module_shutdown_wrapper
917 */
apache_php_module_shutdown_wrapper(void)918 static void apache_php_module_shutdown_wrapper(void)
919 {
920 apache_php_initialized = 0;
921 apache_sapi_module.shutdown(&apache_sapi_module);
922
923 #if MODULE_MAGIC_NUMBER >= 19970728
924 /* This function is only called on server exit if the apache API
925 * child_exit handler exists, so shutdown globally
926 */
927 sapi_shutdown();
928 #endif
929
930 #ifdef ZTS
931 tsrm_shutdown();
932 #endif
933 }
934 /* }}} */
935
936 #if MODULE_MAGIC_NUMBER >= 19970728
937 /* {{{ php_child_exit_handler
938 */
php_child_exit_handler(server_rec * s,pool * p)939 static void php_child_exit_handler(server_rec *s, pool *p)
940 {
941 /* apache_php_initialized = 0; */
942 apache_sapi_module.shutdown(&apache_sapi_module);
943
944 #ifdef ZTS
945 tsrm_shutdown();
946 #endif
947 }
948 /* }}} */
949 #endif
950
951 /* {{{ void php_init_handler(server_rec *s, pool *p)
952 */
php_init_handler(server_rec * s,pool * p)953 static void php_init_handler(server_rec *s, pool *p)
954 {
955 register_cleanup(p, NULL, (void (*)(void *))apache_php_module_shutdown_wrapper, (void (*)(void *))php_module_shutdown_for_exec);
956 if (!apache_php_initialized) {
957 apache_php_initialized = 1;
958 #ifdef ZTS
959 tsrm_startup(1, 1, 0, NULL);
960 #endif
961 sapi_startup(&apache_sapi_module);
962 php_apache_startup(&apache_sapi_module);
963 }
964 #if MODULE_MAGIC_NUMBER >= 19980527
965 {
966 TSRMLS_FETCH();
967 if (PG(expose_php)) {
968 ap_add_version_component("PHP/" PHP_VERSION);
969 }
970 }
971 #endif
972 }
973 /* }}} */
974
975 /* {{{ handler_rec php_handlers[]
976 */
977 handler_rec php_handlers[] =
978 {
979 {"application/x-httpd-php", send_parsed_php},
980 {"application/x-httpd-php-source", send_parsed_php_source},
981 {"text/html", php_xbithack_handler},
982 {NULL}
983 };
984 /* }}} */
985
986 /* {{{ command_rec php_commands[]
987 */
988 command_rec php_commands[] =
989 {
990 {"php_value", php_apache_value_handler, NULL, OR_OPTIONS, TAKE2, "PHP Value Modifier"},
991 {"php_flag", php_apache_flag_handler, NULL, OR_OPTIONS, TAKE2, "PHP Flag Modifier"},
992 {"php_admin_value", php_apache_admin_value_handler, NULL, ACCESS_CONF|RSRC_CONF, TAKE2, "PHP Value Modifier (Admin)"},
993 {"php_admin_flag", php_apache_admin_flag_handler, NULL, ACCESS_CONF|RSRC_CONF, TAKE2, "PHP Flag Modifier (Admin)"},
994 {"PHPINIDir", php_apache_phpini_set, NULL, RSRC_CONF, TAKE1, "Directory containing the php.ini file"},
995 {NULL}
996 };
997 /* }}} */
998
999 /* {{{ odule MODULE_VAR_EXPORT php5_module
1000 */
1001 module MODULE_VAR_EXPORT php5_module =
1002 {
1003 STANDARD_MODULE_STUFF,
1004 php_init_handler, /* initializer */
1005 php_create_dir, /* per-directory config creator */
1006 php_merge_dir, /* dir merger */
1007 NULL, /* per-server config creator */
1008 NULL, /* merge server config */
1009 php_commands, /* command table */
1010 php_handlers, /* handlers */
1011 NULL, /* filename translation */
1012 NULL, /* check_user_id */
1013 NULL, /* check auth */
1014 NULL, /* check access */
1015 NULL, /* type_checker */
1016 NULL, /* fixups */
1017 NULL /* logger */
1018 #if MODULE_MAGIC_NUMBER >= 19970103
1019 , NULL /* header parser */
1020 #endif
1021 #if MODULE_MAGIC_NUMBER >= 19970719
1022 , NULL /* child_init */
1023 #endif
1024 #if MODULE_MAGIC_NUMBER >= 19970728
1025 , php_child_exit_handler /* child_exit */
1026 #endif
1027 #if MODULE_MAGIC_NUMBER >= 19970902
1028 , NULL /* post read-request */
1029 #endif
1030 };
1031 /* }}} */
1032
1033 /*
1034 * Local variables:
1035 * tab-width: 4
1036 * c-basic-offset: 4
1037 * End:
1038 * vim600: sw=4 ts=4 fdm=marker
1039 * vim<600: sw=4 ts=4
1040 */
1041
