xref: /PHP-5.3/sapi/apache_hooks/mod_php5.c (revision a2045ff3)
1 /*
2    +----------------------------------------------------------------------+
3    | PHP Version 5													      |
4    +----------------------------------------------------------------------+
5    | Copyright (c) 1997-2013 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 at through the world-wide-web at						      |
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 
24 #ifdef NETWARE
25 #define SIGPIPE SIGINT
26 #endif
27 
28 #undef shutdown
29 
30 /* {{{ Prototypes
31  */
32 int apache_php_module_main(request_rec *r, int display_source_mode TSRMLS_DC);
33 static void php_save_umask(void);
34 static void php_restore_umask(void);
35 static int sapi_apache_read_post(char *buffer, uint count_bytes TSRMLS_DC);
36 static char *sapi_apache_read_cookies(TSRMLS_D);
37 static int sapi_apache_header_handler(sapi_header_struct *sapi_header, sapi_header_op_enum op, sapi_headers_struct *sapi_headers TSRMLS_DC);
38 static int sapi_apache_send_headers(sapi_headers_struct *sapi_headers TSRMLS_DC);
39 static int send_php(request_rec *r, int display_source_mode, char *filename);
40 static int send_parsed_php(request_rec * r);
41 static int send_parsed_php_source(request_rec * r);
42 static int php_xbithack_handler(request_rec * r);
43 static void php_init_handler(server_rec *s, pool *p);
44 /* }}} */
45 
46 #if MODULE_MAGIC_NUMBER >= 19970728
47 static void php_child_exit_handler(server_rec *s, pool *p);
48 #endif
49 
50 #if MODULE_MAGIC_NUMBER > 19961007
51 #define CONST_PREFIX const
52 #else
53 #define CONST_PREFIX
54 #endif
55 
56 
57 typedef struct _sapi_stack {
58 		int top, max, persistent;
59 		void **elements;
60 } sapi_stack;
61 
62 typedef struct _php_per_dir_config {
63 	HashTable *ini_settings;
64 	sapi_stack headers_handlers;
65 	sapi_stack auth_handlers;
66 	sapi_stack access_handlers;
67 	sapi_stack type_handlers;
68 	sapi_stack fixup_handlers;
69 	sapi_stack logger_handlers;
70 	sapi_stack post_read_handlers;
71 	sapi_stack response_handlers;
72 } php_per_dir_config;
73 
74 typedef struct _php_per_server_config {
75 	sapi_stack uri_handlers;
76 	sapi_stack requires;
77 } php_per_server_config;
78 
79 
80 static CONST_PREFIX char *php_apache_value_handler_ex(cmd_parms *cmd, HashTable *conf, char *arg1, char *arg2, int mode);
81 static CONST_PREFIX char *php_apache_value_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1, char *arg2);
82 static CONST_PREFIX char *php_apache_admin_value_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1, char *arg2);
83 static CONST_PREFIX char *php_apache_flag_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1, char *arg2);
84 static CONST_PREFIX char *php_apache_flag_handler_ex(cmd_parms *cmd, HashTable *conf, char *arg1, char *arg2, int mode);
85 static CONST_PREFIX char *php_apache_admin_flag_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1, char *arg2);
86 
87 /* ### these should be defined in mod_php5.h or somewhere else */
88 #define USE_PATH 1
89 #define IGNORE_URL 2
90 
91 module MODULE_VAR_EXPORT php5_module;
92 
93 int saved_umask;
94 /* static int setup_env = 0; */
95 static unsigned char apache_php_initialized;
96 
97 typedef struct _php_per_dir_entry {
98 	char *key;
99 	char *value;
100 	uint key_length;
101 	uint value_length;
102 	int type;
103 } php_per_dir_entry;
104 
105 /* some systems are missing these from their header files */
106 
107 /* {{{ zend stack utility functions
108  */
109 
110 /* This code is ripped part and parcel from zend_stack.[ch].  Assuming that the
111    patch supporting zend_stack_init_ex is applied, all but the bottom two
112    module-specific iterators will be removed
113  */
114 
sapi_stack_init_ex(sapi_stack * stack,int persistent)115 int sapi_stack_init_ex(sapi_stack *stack, int persistent)
116 {
117 		stack->top = 0;
118 		stack->persistent = persistent;
119 		stack->elements = (void **) pemalloc(sizeof(void **) * STACK_BLOCK_SIZE,  persistent);
120 		if (!stack->elements) {
121 				return FAILURE;
122 		} else {
123 				stack->max = STACK_BLOCK_SIZE;
124 				return SUCCESS;
125 		}
126 }
sapi_stack_push(sapi_stack * stack,void * element)127 int sapi_stack_push(sapi_stack *stack, void *element)
128 {
129 		if (stack->top >= stack->max) {		 /* we need to allocate more memory */
130 				stack->elements = (void **) perealloc(stack->elements,
131 								   (sizeof(void **) * (stack->max += STACK_BLOCK_SIZE)), stack->persistent);
132 				if (!stack->elements) {
133 						return FAILURE;
134 				}
135 		}
136 		stack->elements[stack->top] = (void *) element;
137 		return stack->top++;
138 }
sapi_stack_pop(sapi_stack * stack)139 void* sapi_stack_pop(sapi_stack *stack) {
140 	if(stack->top == 0) {
141 		return NULL;
142 	}
143 	else {
144 		return stack->elements[--stack->top];
145 	}
146 }
147 
sapi_stack_destroy(sapi_stack * stack)148 int sapi_stack_destroy(sapi_stack *stack)
149 {
150 		return SUCCESS;
151 }
152 
sapi_stack_apply_with_argument_all(sapi_stack * stack,int type,int (* apply_function)(void * element,void * arg),void * arg)153 int sapi_stack_apply_with_argument_all(sapi_stack *stack, int type, int (*apply_function)(void *element, void *arg), void *arg)
154 {
155 		int i, retval;
156 
157 		switch (type) {
158 				case ZEND_STACK_APPLY_TOPDOWN:
159 						for (i=stack->top-1; i>=0; i--) {
160 								retval = apply_function(stack->elements[i], arg);
161 						}
162 						break;
163 				case ZEND_STACK_APPLY_BOTTOMUP:
164 						for (i=0; i<stack->top; i++) {
165 								retval = apply_function(stack->elements[i], arg);
166 						}
167 						break;
168 		}
169 		return retval;
170 }
171 
172 
sapi_stack_apply_with_argument_stop_if_equals(sapi_stack * stack,int type,int (* apply_function)(void * element,void * arg),void * arg,int stopval)173 int sapi_stack_apply_with_argument_stop_if_equals(sapi_stack *stack, int type, int (*apply_function)(void *element, void *arg), void *arg, int stopval)
174 {
175 	int i;
176 	int ret = DECLINED;
177 	switch (type) {
178 		case ZEND_STACK_APPLY_TOPDOWN:
179 			for (i=stack->top-1; i>=0; i--) {
180 				if ((ret = apply_function(stack->elements[i], arg)) == stopval) {
181 					break;
182 				}
183 			}
184 			break;
185 		case ZEND_STACK_APPLY_BOTTOMUP:
186 			for (i=0; i<stack->top; i++) {
187 				if ((ret = apply_function(stack->elements[i], arg)) == stopval) {
188 					break;
189 				}
190 			}
191 			break;
192 	}
193 	return ret;
194 }
195 
sapi_stack_apply_with_argument_stop_if_http_error(sapi_stack * stack,int type,int (* apply_function)(void * element,void * arg),void * arg)196 int sapi_stack_apply_with_argument_stop_if_http_error(sapi_stack *stack, int type, int (*apply_function)(void *element, void *arg), void *arg)
197 {
198 	int i;
199 	int ret = DECLINED;
200 	switch (type) {
201 		case ZEND_STACK_APPLY_TOPDOWN:
202 			for (i=stack->top-1; i>=0; i--) {
203 				if ((ret = apply_function(stack->elements[i], arg)) > 0) {
204 					break;
205 				}
206 			}
207 			break;
208 		case ZEND_STACK_APPLY_BOTTOMUP:
209 			for (i=0; i<stack->top; i++) {
210 				if ((ret = apply_function(stack->elements[i], arg)) > 0) {
211 					break;
212 				}
213 			}
214 			break;
215 	}
216 	return ret;
217 }
218 
php_handler_stack_destroy(sapi_stack * stack)219 void php_handler_stack_destroy(sapi_stack *stack)
220 {
221 	php_handler *ph;
222 	while((ph = (php_handler *)sapi_stack_pop(stack)) != NULL) {
223 		free(ph->name);
224 		free(ph);
225 	}
226 }
227 /* }}} */
228 
229 /* {{{ php_save_umask
230  */
php_save_umask(void)231 static void php_save_umask(void)
232 {
233 	saved_umask = umask(077);
234 	umask(saved_umask);
235 }
236 /* }}} */
237 
238 /* {{{ sapi_apache_ub_write
239  */
sapi_apache_ub_write(const char * str,uint str_length TSRMLS_DC)240 static int sapi_apache_ub_write(const char *str, uint str_length TSRMLS_DC)
241 {
242 	int ret=0;
243 
244 	if (SG(server_context)) {
245 		ret = rwrite(str, str_length, (request_rec *) SG(server_context));
246 	}
247 	if (ret != str_length) {
248 		php_handle_aborted_connection();
249 	}
250 	return ret;
251 }
252 /* }}} */
253 
254 /* {{{ sapi_apache_flush
255  */
sapi_apache_flush(void * server_context)256 static void sapi_apache_flush(void *server_context)
257 {
258 	if (server_context) {
259 #if MODULE_MAGIC_NUMBER > 19970110
260 		rflush((request_rec *) server_context);
261 #else
262 		bflush((request_rec *) server_context->connection->client);
263 #endif
264 	}
265 }
266 /* }}} */
267 
268 /* {{{ sapi_apache_read_post
269  */
sapi_apache_read_post(char * buffer,uint count_bytes TSRMLS_DC)270 static int sapi_apache_read_post(char *buffer, uint count_bytes TSRMLS_DC)
271 {
272 	uint total_read_bytes=0, read_bytes;
273 	request_rec *r = (request_rec *) SG(server_context);
274 	void (*handler)(int);
275 
276 	/*
277 	 * This handles the situation where the browser sends a Expect: 100-continue header
278 	 * and needs to recieve confirmation from the server on whether or not it can send
279 	 * the rest of the request. RFC 2616
280 	 *
281 	 */
282 	if (!SG(read_post_bytes) && !ap_should_client_block(r)) {
283 		return total_read_bytes;
284 	}
285 
286 	handler = signal(SIGPIPE, SIG_IGN);
287 	while (total_read_bytes<count_bytes) {
288 		hard_timeout("Read POST information", r); /* start timeout timer */
289 		read_bytes = get_client_block(r, buffer+total_read_bytes, count_bytes-total_read_bytes);
290 		reset_timeout(r);
291 		if (read_bytes<=0) {
292 			break;
293 		}
294 		total_read_bytes += read_bytes;
295 	}
296 	signal(SIGPIPE, handler);
297 	return total_read_bytes;
298 }
299 /* }}} */
300 
301 /* {{{ sapi_apache_read_cookies
302  */
sapi_apache_read_cookies(TSRMLS_D)303 static char *sapi_apache_read_cookies(TSRMLS_D)
304 {
305 	return (char *) table_get(((request_rec *) SG(server_context))->subprocess_env, "HTTP_COOKIE");
306 }
307 /* }}} */
308 
309 /* {{{ sapi_apache_header_handler
310  */
sapi_apache_header_handler(sapi_header_struct * sapi_header,sapi_header_op_enum op,sapi_headers_struct * sapi_headers TSRMLS_DC)311 static int sapi_apache_header_handler(sapi_header_struct *sapi_header, sapi_header_op_enum op, sapi_headers_struct *sapi_headers TSRMLS_DC)
312 {
313 	char *header_name, *header_content, *p;
314 	request_rec *r = (request_rec *) SG(server_context);
315 	if(!r) {
316 		return 0;
317 	}
318 
319 	switch(op) {
320 		case SAPI_HEADER_DELETE_ALL:
321 			clear_table(r->headers_out);
322 			return 0;
323 
324 		case SAPI_HEADER_DELETE:
325 			table_unset(r->headers_out, sapi_header->header);
326 			return 0;
327 
328 		case SAPI_HEADER_ADD:
329 		case SAPI_HEADER_REPLACE:
330 			header_name = sapi_header->header;
331 
332 			header_content = p = strchr(header_name, ':');
333 			if (!p) {
334 				return 0;
335 			}
336 
337 			*p = 0;
338 			do {
339 				header_content++;
340 			} while (*header_content==' ');
341 
342 			if (!strcasecmp(header_name, "Content-Type")) {
343 				r->content_type = pstrdup(r->pool, header_content);
344 			} else if (!strcasecmp(header_name, "Set-Cookie")) {
345 				table_add(r->headers_out, header_name, header_content);
346 			} else if (op == SAPI_HEADER_REPLACE) {
347 				table_set(r->headers_out, header_name, header_content);
348 			} else {
349 				table_add(r->headers_out, header_name, header_content);
350 			}
351 
352 			*p = ':';  /* a well behaved header handler shouldn't change its original arguments */
353 
354 			return SAPI_HEADER_ADD;
355 
356 		default:
357 			return 0;
358 	}
359 }
360 /* }}} */
361 
362 /* {{{ sapi_apache_send_headers
363  */
sapi_apache_send_headers(sapi_headers_struct * sapi_headers TSRMLS_DC)364 static int sapi_apache_send_headers(sapi_headers_struct *sapi_headers TSRMLS_DC)
365 {
366 	if(SG(server_context) == NULL) { /* server_context is not here anymore */
367 		return SAPI_HEADER_SEND_FAILED;
368 	}
369 
370 	((request_rec *) SG(server_context))->status = SG(sapi_headers).http_response_code;
371 	/* check that we haven't sent headers already, we use our own
372 	 * headers_sent since we may send headers at anytime
373 	 */
374 	if(!AP(headers_sent)) {
375 		send_http_header((request_rec *) SG(server_context));
376 		AP(headers_sent) = 1;
377 	}
378 	return SAPI_HEADER_SENT_SUCCESSFULLY;
379 }
380 /* }}} */
381 
382 /* {{{ sapi_apache_register_server_variables
383  */
sapi_apache_register_server_variables(zval * track_vars_array TSRMLS_DC)384 static void sapi_apache_register_server_variables(zval *track_vars_array TSRMLS_DC)
385 {
386 	register int i;
387 	array_header *arr = table_elts(((request_rec *) SG(server_context))->subprocess_env);
388 	table_entry *elts = (table_entry *) arr->elts;
389 	zval **path_translated;
390 	HashTable *symbol_table;
391 
392 	for (i = 0; i < arr->nelts; i++) {
393 		char *val;
394 
395 		if (elts[i].val) {
396 			val = elts[i].val;
397 		} else {
398 			val = "";
399 		}
400 		php_register_variable(elts[i].key, val, track_vars_array  TSRMLS_CC);
401 	}
402 
403 	/* If PATH_TRANSLATED doesn't exist, copy it from SCRIPT_FILENAME */
404 	if (track_vars_array) {
405 		symbol_table = track_vars_array->value.ht;
406 	} else if (PG(register_globals)) {
407 		/* should never happen nowadays */
408 		symbol_table = EG(active_symbol_table);
409 	} else {
410 		symbol_table = NULL;
411 	}
412 	if (symbol_table
413 		&& !zend_hash_exists(symbol_table, "PATH_TRANSLATED", sizeof("PATH_TRANSLATED"))
414 		&& zend_hash_find(symbol_table, "SCRIPT_FILENAME", sizeof("SCRIPT_FILENAME"), (void **) &path_translated)==SUCCESS) {
415 		php_register_variable("PATH_TRANSLATED", Z_STRVAL_PP(path_translated), track_vars_array TSRMLS_CC);
416 	}
417 
418 	php_register_variable("PHP_SELF", ((request_rec *) SG(server_context))->uri, track_vars_array TSRMLS_CC);
419 }
420 /* }}} */
421 
422 /* {{{ php_apache_startup
423  */
php_apache_startup(sapi_module_struct * sapi_module)424 static int php_apache_startup(sapi_module_struct *sapi_module)
425 {
426 	if (php_module_startup(sapi_module, &apache_module_entry, 1) == FAILURE) {
427 		return FAILURE;
428 	} else {
429 		return SUCCESS;
430 	}
431 }
432 /* }}} */
433 
434 /* {{{ php_apache_log_message
435  */
php_apache_log_message(char * message)436 static void php_apache_log_message(char *message)
437 {
438 	TSRMLS_FETCH();
439 
440 	if (SG(server_context)) {
441 #if MODULE_MAGIC_NUMBER >= 19970831
442 		aplog_error(NULL, 0, APLOG_ERR | APLOG_NOERRNO, ((request_rec *) SG(server_context))->server, "%s", message);
443 #else
444 		log_error(message, ((request_rec *) SG(server_context))->server);
445 #endif
446 	} else {
447 		fprintf(stderr, "%s", message);
448 		fprintf(stderr, "\n");
449 	}
450 }
451 /* }}} */
452 
453 /* {{{ php_apache_request_shutdown
454  */
php_apache_request_shutdown(void * dummy)455 static void php_apache_request_shutdown(void *dummy)
456 {
457 	TSRMLS_FETCH();
458 	AP(current_hook) = AP_CLEANUP;
459 	php_output_set_status(0 TSRMLS_CC);
460 	SG(server_context) = NULL; /* The server context (request) is invalid by the time run_cleanups() is called */
461 	if(SG(sapi_started)) {
462 		php_request_shutdown(dummy);
463 		SG(sapi_started) = 0;
464 	}
465 	AP(in_request) = 0;
466 	if(AP(setup_env)) {
467 		AP(setup_env) = 0;
468 	}
469 	AP(current_hook) = AP_WAITING_FOR_REQUEST;
470 	AP(headers_sent) = 0;
471 }
472 /* }}} */
473 
474 /* {{{ php_apache_sapi_activate
475  */
php_apache_sapi_activate(TSRMLS_D)476 static int php_apache_sapi_activate(TSRMLS_D)
477 {
478 	request_rec *r = (request_rec *) SG(server_context);
479 
480 	/*
481 	 * For the Apache module version, this bit of code registers a cleanup
482 	 * function that gets triggered when our request pool is destroyed.
483 	 * We need this because at any point in our code we can be interrupted
484 	 * and that may happen before we have had time to free our memory.
485 	 * The php_request_shutdown function needs to free all outstanding allocated
486 	 * memory.
487 	 */
488 	block_alarms();
489 	register_cleanup(r->pool, NULL, php_apache_request_shutdown, php_request_shutdown_for_exec);
490 	AP(in_request)=1;
491 	unblock_alarms();
492 
493 	/* Override the default headers_only value - sometimes "GET" requests should actually only
494 	 * send headers.
495 	 */
496 	SG(request_info).headers_only = r->header_only;
497 	return SUCCESS;
498 }
499 /* }}} */
500 
501 /* {{{ php_apache_get_stat
502  */
php_apache_get_stat(TSRMLS_D)503 static struct stat *php_apache_get_stat(TSRMLS_D)
504 {
505 	return &((request_rec *) SG(server_context))->finfo;
506 }
507 /* }}} */
508 
509 /* {{{ php_apache_getenv
510  */
php_apache_getenv(char * name,size_t name_len TSRMLS_DC)511 static char *php_apache_getenv(char *name, size_t name_len TSRMLS_DC)
512 {
513 	return (char *) table_get(((request_rec *) SG(server_context))->subprocess_env, name);
514 }
515 /* }}} */
516 
517 /* {{{ sapi_module_struct apache_sapi_module
518  */
519 static sapi_module_struct apache_sapi_module = {
520 	"apache",						/* name */
521 	"Apache",						/* pretty name */
522 
523 	php_apache_startup,				/* startup */
524 	php_module_shutdown_wrapper,	/* shutdown */
525 
526 	php_apache_sapi_activate,		/* activate */
527 	NULL,							/* deactivate */
528 
529 	sapi_apache_ub_write,			/* unbuffered write */
530 	sapi_apache_flush,				/* flush */
531 	php_apache_get_stat,			/* get uid */
532 	php_apache_getenv,				/* getenv */
533 
534 	php_error,						/* error handler */
535 
536 	sapi_apache_header_handler,		/* header handler */
537 	sapi_apache_send_headers,		/* send headers handler */
538 	NULL,							/* send header handler */
539 
540 	sapi_apache_read_post,			/* read POST data */
541 	sapi_apache_read_cookies,		/* read Cookies */
542 
543 	sapi_apache_register_server_variables,		/* register server variables */
544 	php_apache_log_message,			/* Log message */
545 	NULL,							/* Get request time */
546 	NULL,					/* child terminate */
547 
548 	NULL,							/* php.ini path override */
549 
550 #ifdef PHP_WIN32
551 	NULL,
552 	NULL,
553 #else
554 	block_alarms,					/* Block interruptions */
555 	unblock_alarms,					/* Unblock interruptions */
556 #endif
557 
558 	NULL,                           /* default post reader */
559 	NULL,                           /* treat data */
560 	NULL,                           /* exe location */
561 	0,                              /* ini ignore */
562 	NULL
563 
564 };
565 /* }}} */
566 
567 /* {{{ php_restore_umask
568  */
php_restore_umask(void)569 static void php_restore_umask(void)
570 {
571 	umask(saved_umask);
572 }
573 /* }}} */
574 
575 /* {{{ init_request_info
576  */
init_request_info(TSRMLS_D)577 static void init_request_info(TSRMLS_D)
578 {
579 	request_rec *r = ((request_rec *) SG(server_context));
580 	char *content_length = (char *) table_get(r->subprocess_env, "CONTENT_LENGTH");
581 	const char *authorization=NULL;
582 	char *tmp, *tmp_user;
583 
584 	SG(request_info).query_string = r->args;
585 	SG(request_info).path_translated = r->filename;
586 	SG(request_info).request_uri = r->uri;
587 	SG(request_info).request_method = (char *)r->method;
588 	SG(request_info).proto_num = r->proto_num;
589 	SG(request_info).content_type = (char *) table_get(r->subprocess_env, "CONTENT_TYPE");
590 	SG(request_info).content_length = (content_length ? atol(content_length) : 0);
591 	SG(sapi_headers).http_response_code = r->status;
592 
593 	if (r->headers_in) {
594 		authorization = table_get(r->headers_in, "Authorization");
595 	}
596 
597 	SG(request_info).auth_user = NULL;
598 	SG(request_info).auth_password = NULL;
599 
600 	if (authorization && !auth_type(r)) {
601         if (!strcasecmp(getword(r->pool, &authorization, ' '), "Basic")) {
602             tmp = uudecode(r->pool, authorization);
603             tmp_user = getword_nulls_nc(r->pool, &tmp, ':');
604             if (tmp_user) {
605                 r->connection->user = pstrdup(r->connection->pool, tmp_user);
606                 r->connection->ap_auth_type = "Basic";
607                 SG(request_info).auth_user = estrdup(tmp_user);
608             }
609             if (tmp) {
610                 SG(request_info).auth_password = estrdup(tmp);
611             }
612 		} else if  (!strcasecmp(getword(r->pool, &authorization, ' '), "Digest")) {
613             r->connection->ap_auth_type = "Digest";
614             SG(request_info).auth_digest = estrdup(authorization);
615 		}
616 	}
617 }
618 /* }}} */
619 
620 /* {{{ php_apache_alter_ini_entries
621  */
php_apache_alter_ini_entries(php_per_dir_entry * per_dir_entry TSRMLS_DC)622 static int php_apache_alter_ini_entries(php_per_dir_entry *per_dir_entry TSRMLS_DC)
623 {
624 	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, PHP_INI_STAGE_ACTIVATE);
625 	return 0;
626 }
627 /* }}} */
628 
629 /* {{{ php_apache_get_default_mimetype
630  */
php_apache_get_default_mimetype(request_rec * r TSRMLS_DC)631 static char *php_apache_get_default_mimetype(request_rec *r TSRMLS_DC)
632 {
633 
634 	char *mimetype;
635 	if (SG(default_mimetype) || SG(default_charset)) {
636 		/* Assume output will be of the default MIME type.  Individual
637 		   scripts may change this later. */
638 		char *tmpmimetype;
639 		tmpmimetype = sapi_get_default_content_type(TSRMLS_C);
640 		mimetype = pstrdup(r->pool, tmpmimetype);
641 		efree(tmpmimetype);
642 	} else {
643 		mimetype = SAPI_DEFAULT_MIMETYPE "; charset=" SAPI_DEFAULT_CHARSET;
644 	}
645 	return mimetype;
646 }
647 /* }}} */
648 
649 /* {{{ send_php
650  */
send_php(request_rec * r,int display_source_mode,char * filename)651 static int send_php(request_rec *r, int display_source_mode, char *filename)
652 {
653 	int retval;
654 	php_per_dir_config *per_dir_conf;
655 	TSRMLS_FETCH();
656 	if (AP(in_request)) {
657 		zend_file_handle fh;
658 
659 		fh.filename = r->filename;
660 		fh.opened_path = NULL;
661 		fh.free_filename = 0;
662 		fh.type = ZEND_HANDLE_FILENAME;
663 
664 		zend_execute_scripts(ZEND_INCLUDE TSRMLS_CC, NULL, 1, &fh);
665 		return OK;
666 	}
667 
668 	zend_first_try {
669 
670 		/* Make sure file exists */
671 		if (filename == NULL && r->finfo.st_mode == 0) {
672 			return DECLINED;
673 		}
674 
675 		per_dir_conf = (php_per_dir_config *) get_module_config(r->per_dir_config, &php5_module);
676 		if (per_dir_conf) {
677 			zend_hash_apply((HashTable *) per_dir_conf->ini_settings, (apply_func_t) php_apache_alter_ini_entries TSRMLS_CC);
678 		}
679 
680 		/* If PHP parser engine has been turned off with an "engine off"
681 		 * directive, then decline to handle this request
682 		 */
683 		if (!AP(engine)) {
684 			r->content_type = php_apache_get_default_mimetype(r TSRMLS_CC);
685 			r->allowed |= (1 << METHODS) - 1;
686 			zend_try {
687 				zend_ini_deactivate(TSRMLS_C);
688 			} zend_end_try();
689 			return DECLINED;
690 		}
691 		if (filename == NULL) {
692 			filename = r->filename;
693 		}
694 
695 		/* Apache 1.2 has a more complex mechanism for reading POST data */
696 #if MODULE_MAGIC_NUMBER > 19961007
697 		if ((retval = setup_client_block(r, REQUEST_CHUNKED_ERROR))) {
698 			zend_try {
699 				zend_ini_deactivate(TSRMLS_C);
700 			} zend_end_try();
701 			return retval;
702 		}
703 #endif
704 
705 		if (AP(last_modified)) {
706 #if MODULE_MAGIC_NUMBER < 19970912
707 			if ((retval = set_last_modified(r, r->finfo.st_mtime))) {
708 				zend_try {
709 					zend_ini_deactivate(TSRMLS_C);
710 				} zend_end_try();
711 				return retval;
712 			}
713 #else
714 			update_mtime (r, r->finfo.st_mtime);
715 			set_last_modified(r);
716 			set_etag(r);
717 #endif
718 		}
719 		/* Assume output will be of the default MIME type.  Individual
720 		   scripts may change this later in the request. */
721 		r->content_type = php_apache_get_default_mimetype(r TSRMLS_CC);
722 
723 		/* Init timeout */
724 		hard_timeout("send", r);
725 
726 		SG(server_context) = r;
727 
728 		php_save_umask();
729 		if(!AP(setup_env)) {
730 			AP(setup_env) = 1;
731 			add_common_vars(r);
732 			add_cgi_vars(r);
733 		}
734 		init_request_info(TSRMLS_C);
735 		apache_php_module_main(r, display_source_mode TSRMLS_CC);
736 
737 		/* Done, restore umask, turn off timeout, close file and return */
738 		php_restore_umask();
739 		kill_timeout(r);
740 	} zend_end_try();
741 
742 	return OK;
743 }
744 /* }}} */
745 
746 /* {{{ send_parsed_php
747  */
send_parsed_php(request_rec * r)748 static int send_parsed_php(request_rec * r)
749 {
750 	int result = send_php(r, 0, NULL);
751 	TSRMLS_FETCH();
752 
753 	ap_table_setn(r->notes, "mod_php_memory_usage",
754 		ap_psprintf(r->pool, "%u", zend_memory_peak_usage(1 TSRMLS_CC)));
755 
756 	return result;
757 }
758 /* }}} */
759 
760 /* {{{ send_parsed_php_source
761  */
send_parsed_php_source(request_rec * r)762 static int send_parsed_php_source(request_rec * r)
763 {
764 	return send_php(r, 1, NULL);
765 }
766 /* }}} */
767 
768 
769 /* {{{ destroy_per_dir_entry
770  */
destroy_per_dir_entry(php_per_dir_entry * per_dir_entry)771 static void destroy_per_dir_entry(php_per_dir_entry *per_dir_entry)
772 {
773 	free(per_dir_entry->key);
774 	free(per_dir_entry->value);
775 }
776 /* }}} */
777 
778 /* {{{ copy_per_dir_entry
779  */
copy_per_dir_entry(php_per_dir_entry * per_dir_entry)780 static void copy_per_dir_entry(php_per_dir_entry *per_dir_entry)
781 {
782 	php_per_dir_entry tmp = *per_dir_entry;
783 
784 	per_dir_entry->key = (char *) malloc(tmp.key_length+1);
785 	memcpy(per_dir_entry->key, tmp.key, tmp.key_length);
786 	per_dir_entry->key[per_dir_entry->key_length] = 0;
787 
788 	per_dir_entry->value = (char *) malloc(tmp.value_length+1);
789 	memcpy(per_dir_entry->value, tmp.value, tmp.value_length);
790 	per_dir_entry->value[per_dir_entry->value_length] = 0;
791 }
792 /* }}} */
793 
794 /* {{{ should_overwrite_per_dir_entry;
795 
796  */
should_overwrite_per_dir_entry(HashTable * target_ht,php_per_dir_entry * orig_per_dir_entry,zend_hash_key * hash_key,void * pData)797 static zend_bool should_overwrite_per_dir_entry(HashTable *target_ht, php_per_dir_entry *orig_per_dir_entry, zend_hash_key *hash_key, void *pData)
798 {
799 	php_per_dir_entry *new_per_dir_entry;
800 
801 	if (zend_hash_find(target_ht, hash_key->arKey, hash_key->nKeyLength, (void **) &new_per_dir_entry)==FAILURE) {
802 		return 1; /* does not exist in dest, copy from source */
803 	}
804 
805 	if (new_per_dir_entry->type==PHP_INI_SYSTEM
806 		&& orig_per_dir_entry->type!=PHP_INI_SYSTEM) {
807 		return 1;
808 	} else {
809 		return 0;
810 	}
811 }
812 /* }}} */
813 /* {{{ php_destroy_per_server_info
814  */
php_destroy_per_server_info(php_per_server_config * conf)815 static void php_destroy_per_server_info(php_per_server_config *conf)
816 {
817 	php_handler_stack_destroy(&conf->requires);
818 	php_handler_stack_destroy(&conf->uri_handlers);
819 }
820 /* }}} */
821 
822 /* {{{ php_destroy_per_dir_info
823  */
php_destroy_per_dir_info(php_per_dir_config * conf)824 static void php_destroy_per_dir_info(php_per_dir_config *conf)
825 {
826 	zend_hash_destroy(conf->ini_settings);
827 	php_handler_stack_destroy(&conf->response_handlers);
828 	php_handler_stack_destroy(&conf->auth_handlers);
829 	php_handler_stack_destroy(&conf->access_handlers);
830 	php_handler_stack_destroy(&conf->type_handlers);
831 	php_handler_stack_destroy(&conf->fixup_handlers);
832 	php_handler_stack_destroy(&conf->logger_handlers);
833 	php_handler_stack_destroy(&conf->post_read_handlers);
834 	php_handler_stack_destroy(&conf->headers_handlers);
835 	free(conf->ini_settings);
836 }
837 /* }}} */
838 
839 /* {{{ php_create_server
840  */
php_create_server(pool * p,char * dummy)841 static void *php_create_server(pool *p, char *dummy)
842 {
843 	php_per_server_config *conf;
844 	conf = (php_per_server_config *) malloc(sizeof(php_per_server_config));
845 	register_cleanup(p, (void *) conf, (void (*)(void *)) php_destroy_per_server_info, (void (*)(void *)) php_destroy_per_server_info);
846 
847 	sapi_stack_init_ex(&conf->requires, 1);
848 	sapi_stack_init_ex(&conf->uri_handlers, 1);
849 	return conf;
850 }
851 
852 /* }}} */
853 
854 
855 /* {{{ php_create_dir
856  */
php_create_dir(pool * p,char * dummy)857 static void *php_create_dir(pool *p, char *dummy)
858 {
859 	php_per_dir_config *conf;
860 	conf = (php_per_dir_config *) malloc(sizeof(php_per_dir_config));
861 	conf->ini_settings = (HashTable *) malloc(sizeof(HashTable));
862 	zend_hash_init_ex(conf->ini_settings, 5, NULL, (void (*)(void *)) destroy_per_dir_entry, 1, 0);
863 	sapi_stack_init_ex(&conf->response_handlers, 1);
864 	sapi_stack_init_ex(&conf->headers_handlers, 1);
865 	sapi_stack_init_ex(&conf->auth_handlers, 1);
866 	sapi_stack_init_ex(&conf->access_handlers, 1);
867 	sapi_stack_init_ex(&conf->type_handlers, 1);
868 	sapi_stack_init_ex(&conf->fixup_handlers, 1);
869 	sapi_stack_init_ex(&conf->logger_handlers, 1);
870 	sapi_stack_init_ex(&conf->post_read_handlers, 1);
871 	register_cleanup(p, (void *) conf, (void (*)(void *)) php_destroy_per_dir_info, (void (*)(void *)) php_destroy_per_dir_info);
872 
873 	return conf;
874 }
875 
876 /* }}} */
877 
878 /* {{{ php_merge_dir
879  */
php_merge_dir(pool * p,void * basev,void * addv)880 static void *php_merge_dir(pool *p, void *basev, void *addv)
881 {
882 	php_per_dir_config *a = (php_per_dir_config *) addv;
883 	php_per_dir_config *b = (php_per_dir_config *) basev;
884 	/* This function *must* return addv, and not modify basev */
885 	zend_hash_merge_ex((HashTable *) a->ini_settings, (HashTable *) b->ini_settings, (copy_ctor_func_t) copy_per_dir_entry, sizeof(php_per_dir_entry), (merge_checker_func_t) should_overwrite_per_dir_entry, NULL);
886 	a->headers_handlers = (a->headers_handlers.top)?a->headers_handlers:b->headers_handlers;
887 	a->auth_handlers = (a->auth_handlers.top)?a->auth_handlers:b->auth_handlers;
888 	a->access_handlers = (a->access_handlers.top)?a->access_handlers:b->access_handlers;
889 	a->type_handlers = (a->type_handlers.top)?a->type_handlers:b->type_handlers;
890 	a->fixup_handlers = (a->fixup_handlers.top)?a->fixup_handlers:b->fixup_handlers;
891 	a->logger_handlers = (a->logger_handlers.top)?a->logger_handlers:b->logger_handlers;
892 	a->post_read_handlers = (a->post_read_handlers.top)?a->post_read_handlers:b->post_read_handlers;
893 	a->response_handlers = (a->response_handlers.top)?a->response_handlers:b->response_handlers;
894 	return a;
895 }
896 /* }}} */
897 
898 /* {{{ php_apache_value_handler_ex
899  */
php_apache_value_handler_ex(cmd_parms * cmd,HashTable * conf,char * arg1,char * arg2,int mode)900 static CONST_PREFIX char *php_apache_value_handler_ex(cmd_parms *cmd, HashTable *conf, char *arg1, char *arg2, int mode)
901 {
902 	php_per_dir_entry per_dir_entry;
903 
904 	if (!apache_php_initialized) {
905 		apache_php_initialized = 1;
906 #ifdef ZTS
907 		tsrm_startup(1, 1, 0, NULL);
908 #endif
909 		sapi_startup(&apache_sapi_module);
910 		php_apache_startup(&apache_sapi_module);
911 	}
912 	per_dir_entry.type = mode;
913 
914 	if (strcasecmp(arg2, "none") == 0) {
915 		arg2 = "";
916 	}
917 
918 	per_dir_entry.key_length = strlen(arg1);
919 	per_dir_entry.value_length = strlen(arg2);
920 
921 	per_dir_entry.key = (char *) malloc(per_dir_entry.key_length+1);
922 	memcpy(per_dir_entry.key, arg1, per_dir_entry.key_length);
923 	per_dir_entry.key[per_dir_entry.key_length] = 0;
924 
925 	per_dir_entry.value = (char *) malloc(per_dir_entry.value_length+1);
926 	memcpy(per_dir_entry.value, arg2, per_dir_entry.value_length);
927 	per_dir_entry.value[per_dir_entry.value_length] = 0;
928 
929 	zend_hash_update(conf, per_dir_entry.key, per_dir_entry.key_length, &per_dir_entry, sizeof(php_per_dir_entry), NULL);
930 	return NULL;
931 }
932 /* }}} */
933 
php_set_server_handler(server_rec * s,char * arg1,long handler_stage,long handler_type)934 static CONST_PREFIX char *php_set_server_handler(server_rec *s, char *arg1, long handler_stage, long handler_type)
935 {
936 	php_per_server_config *conf;
937 	php_handler *handler;
938 	handler = (php_handler *) malloc(sizeof(php_handler));
939 	handler->type = handler_type;
940 	handler->stage = handler_stage;
941 	handler->name = strdup(arg1);
942 	conf = get_module_config(s->module_config, &php5_module);
943 	switch(handler_stage) {
944 		case AP_URI_TRANS:
945 			sapi_stack_push(&conf->uri_handlers, handler);
946 			break;
947 		default:
948 			sapi_stack_push(&conf->requires, handler);
949 			break;
950 	}
951 	return NULL;
952 }
953 
php_set_dir_handler(php_per_dir_config * conf,char * arg1,long handler_stage,long handler_type)954 static CONST_PREFIX char *php_set_dir_handler(php_per_dir_config *conf, char *arg1, long handler_stage, long handler_type)
955 {
956 	php_handler *handler;
957 	handler = (php_handler *) malloc(sizeof(php_handler));
958 	handler->type = handler_type;
959 	handler->stage = handler_stage;
960 	handler->name = strdup(arg1);
961 	switch(handler_stage) {
962 		case AP_POST_READ:
963 			sapi_stack_push(&conf->post_read_handlers, handler);
964 			break;
965 		case AP_HEADER_PARSE:
966 			sapi_stack_push(&conf->headers_handlers, handler);
967 			break;
968 		case AP_ACCESS_CONTROL:
969 			sapi_stack_push(&conf->access_handlers, handler);
970 			break;
971 		case AP_AUTHENTICATION:
972 			sapi_stack_push(&conf->auth_handlers, handler);
973 			break;
974 		case AP_AUTHORIZATION:
975 			break;
976 		case AP_TYPE_CHECKING:
977 			sapi_stack_push(&conf->type_handlers, handler);
978 			break;
979 		case AP_FIXUP:
980 			sapi_stack_push(&conf->fixup_handlers, handler);
981 			break;
982 		case AP_RESPONSE:
983 			sapi_stack_push(&conf->response_handlers, handler);
984 			break;
985 		case AP_LOGGING:
986 			sapi_stack_push(&conf->logger_handlers, handler);
987 			break;
988 		default:
989 			break;
990 	}
991 	return NULL;
992 }
993 
994 /* {{{ php_set_uri_handler
995  */
php_set_uri_handler(cmd_parms * cmd,void * dummy,char * arg1)996 static CONST_PREFIX char *php_set_uri_handler(cmd_parms *cmd, void *dummy, char *arg1)
997 {
998 	return php_set_server_handler(cmd->server, arg1, AP_URI_TRANS, AP_HANDLER_TYPE_FILE);
999 }
1000 /* }}} */
1001 
1002 /* {{{ php_set_uri_handler_code */
php_set_uri_handler_code(cmd_parms * cmd,void * dummy,char * arg1)1003 static CONST_PREFIX char *php_set_uri_handler_code(cmd_parms *cmd, void *dummy, char *arg1)
1004 {
1005 	return php_set_server_handler(cmd->server, arg1, AP_URI_TRANS, AP_HANDLER_TYPE_METHOD);
1006 }
1007 /* }}} */
1008 
1009 /* {{{ php_set_header_handler
1010  */
php_set_header_handler(cmd_parms * cmd,php_per_dir_config * conf,char * arg1)1011 static CONST_PREFIX char *php_set_header_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1)
1012 {
1013 	return php_set_dir_handler(conf, arg1, AP_HEADER_PARSE, AP_HANDLER_TYPE_FILE);
1014 }
php_set_header_handler_code(cmd_parms * cmd,php_per_dir_config * conf,char * arg1)1015 static CONST_PREFIX char *php_set_header_handler_code(cmd_parms *cmd, php_per_dir_config *conf, char *arg1)
1016 {
1017 	return php_set_dir_handler(conf, arg1, AP_HEADER_PARSE, AP_HANDLER_TYPE_METHOD);
1018 }
1019 /* }}} */
1020 
1021 /* {{{ php_set_auth_handler
1022  */
php_set_auth_handler(cmd_parms * cmd,php_per_dir_config * conf,char * arg1)1023 static CONST_PREFIX char *php_set_auth_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1)
1024 {
1025 	return php_set_dir_handler(conf, arg1, AP_AUTHENTICATION, AP_HANDLER_TYPE_FILE);
1026 }
php_set_auth_handler_code(cmd_parms * cmd,php_per_dir_config * conf,char * arg1)1027 static CONST_PREFIX char *php_set_auth_handler_code(cmd_parms *cmd, php_per_dir_config *conf, char *arg1)
1028 {
1029 	return php_set_dir_handler(conf, arg1, AP_AUTHENTICATION, AP_HANDLER_TYPE_METHOD);
1030 }
1031 
1032 /* }}} */
1033 
1034 /* {{{ php_set_access_handler
1035  */
php_set_access_handler(cmd_parms * cmd,php_per_dir_config * conf,char * arg1)1036 static CONST_PREFIX char *php_set_access_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1)
1037 {
1038 	return php_set_dir_handler(conf, arg1, AP_ACCESS_CONTROL, AP_HANDLER_TYPE_FILE);
1039 }
php_set_access_handler_code(cmd_parms * cmd,php_per_dir_config * conf,char * arg1)1040 static CONST_PREFIX char *php_set_access_handler_code(cmd_parms *cmd, php_per_dir_config *conf, char *arg1)
1041 {
1042 	return php_set_dir_handler(conf, arg1, AP_ACCESS_CONTROL, AP_HANDLER_TYPE_METHOD);
1043 }
1044 
1045 /* }}} */
1046 
1047 /* {{{ php_set_type_handler
1048  */
php_set_type_handler(cmd_parms * cmd,php_per_dir_config * conf,char * arg1)1049 static CONST_PREFIX char *php_set_type_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1)
1050 {
1051 	return php_set_dir_handler(conf, arg1, AP_TYPE_CHECKING, AP_HANDLER_TYPE_FILE);
1052 }
php_set_type_handler_code(cmd_parms * cmd,php_per_dir_config * conf,char * arg1)1053 static CONST_PREFIX char *php_set_type_handler_code(cmd_parms *cmd, php_per_dir_config *conf, char *arg1)
1054 {
1055 	return php_set_dir_handler(conf, arg1, AP_TYPE_CHECKING, AP_HANDLER_TYPE_METHOD);
1056 }
1057 
1058 /* }}} */
1059 
1060 /* {{{ php_set_fixup_handler
1061  */
php_set_fixup_handler(cmd_parms * cmd,php_per_dir_config * conf,char * arg1)1062 static CONST_PREFIX char *php_set_fixup_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1)
1063 {
1064 	return php_set_dir_handler(conf, arg1, AP_FIXUP, AP_HANDLER_TYPE_FILE);
1065 }
php_set_fixup_handler_code(cmd_parms * cmd,php_per_dir_config * conf,char * arg1)1066 static CONST_PREFIX char *php_set_fixup_handler_code(cmd_parms *cmd, php_per_dir_config *conf, char *arg1)
1067 {
1068 	return php_set_dir_handler(conf, arg1, AP_FIXUP, AP_HANDLER_TYPE_METHOD);
1069 }
1070 /* }}} */
1071 
1072 /* {{{ php_set_logger_handler
1073  */
php_set_logger_handler(cmd_parms * cmd,php_per_dir_config * conf,char * arg1)1074 static CONST_PREFIX char *php_set_logger_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1)
1075 {
1076 	return php_set_dir_handler(conf, arg1, AP_LOGGING, AP_HANDLER_TYPE_FILE);
1077 }
php_set_logger_handler_code(cmd_parms * cmd,php_per_dir_config * conf,char * arg1)1078 static CONST_PREFIX char *php_set_logger_handler_code(cmd_parms *cmd, php_per_dir_config *conf, char *arg1)
1079 {
1080 	return php_set_dir_handler(conf, arg1, AP_LOGGING, AP_HANDLER_TYPE_METHOD);
1081 }
1082 
1083 /* }}} */
1084 
1085 /* {{{ php_set_post_read_handler
1086  */
php_set_post_read_handler(cmd_parms * cmd,php_per_dir_config * conf,char * arg1)1087 static CONST_PREFIX char *php_set_post_read_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1)
1088 {
1089 	return php_set_dir_handler(conf, arg1, AP_POST_READ, AP_HANDLER_TYPE_FILE);
1090 }
php_set_post_read_handler_code(cmd_parms * cmd,php_per_dir_config * conf,char * arg1)1091 static CONST_PREFIX char *php_set_post_read_handler_code(cmd_parms *cmd, php_per_dir_config *conf, char *arg1)
1092 {
1093 	return php_set_dir_handler(conf, arg1, AP_POST_READ, AP_HANDLER_TYPE_METHOD);
1094 }
1095 
1096 
1097 /* }}} */
1098 
1099 /* {{{ php_set_require
1100  */
1101 
php_set_require(cmd_parms * cmd,void * dummy,char * arg1)1102 static CONST_PREFIX char *php_set_require(cmd_parms *cmd, void *dummy, char *arg1)
1103 {
1104 	return php_set_server_handler(cmd->server, arg1, 0, AP_HANDLER_TYPE_FILE);
1105 }
1106 /* }}} */
1107 
1108 /* {{{ php_set_response_handler
1109  */
php_set_response_handler(cmd_parms * cmd,php_per_dir_config * conf,char * arg1)1110 static CONST_PREFIX char *php_set_response_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1)
1111 {
1112 	return php_set_dir_handler(conf, arg1, AP_RESPONSE, AP_HANDLER_TYPE_FILE);
1113 }
php_set_response_handler_code(cmd_parms * cmd,php_per_dir_config * conf,char * arg1)1114 static CONST_PREFIX char *php_set_response_handler_code(cmd_parms *cmd, php_per_dir_config *conf, char *arg1)
1115 {
1116 	return php_set_dir_handler(conf, arg1, AP_RESPONSE, AP_HANDLER_TYPE_METHOD);
1117 }
1118 /* }}} */
1119 
1120 /* {{{ php_apache_value_handler
1121  */
php_apache_value_handler(cmd_parms * cmd,php_per_dir_config * conf,char * arg1,char * arg2)1122 static CONST_PREFIX char *php_apache_value_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1, char *arg2)
1123 {
1124 	return php_apache_value_handler_ex(cmd, conf->ini_settings, arg1, arg2, PHP_INI_PERDIR);
1125 }
1126 /* }}} */
1127 
1128 /* {{{ php_apache_admin_value_handler
1129  */
php_apache_admin_value_handler(cmd_parms * cmd,php_per_dir_config * conf,char * arg1,char * arg2)1130 static CONST_PREFIX char *php_apache_admin_value_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1, char *arg2)
1131 {
1132 	return php_apache_value_handler_ex(cmd, conf->ini_settings, arg1, arg2, PHP_INI_SYSTEM);
1133 }
1134 /* }}} */
1135 
1136 /* {{{ php_apache_flag_handler_ex
1137  */
php_apache_flag_handler_ex(cmd_parms * cmd,HashTable * conf,char * arg1,char * arg2,int mode)1138 static CONST_PREFIX char *php_apache_flag_handler_ex(cmd_parms *cmd, HashTable *conf, char *arg1, char *arg2, int mode)
1139 {
1140 	char bool_val[2];
1141 
1142 	if (!strcasecmp(arg2, "On")) {
1143 		bool_val[0] = '1';
1144 	} else {
1145 		bool_val[0] = '0';
1146 	}
1147 	bool_val[1] = 0;
1148 
1149 	return php_apache_value_handler_ex(cmd, conf, arg1, bool_val, mode);
1150 }
1151 /* }}} */
1152 
1153 /* {{{ php_apache_flag_handler
1154  */
php_apache_flag_handler(cmd_parms * cmd,php_per_dir_config * conf,char * arg1,char * arg2)1155 static CONST_PREFIX char *php_apache_flag_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1, char *arg2)
1156 {
1157 	return php_apache_flag_handler_ex(cmd, conf->ini_settings, arg1, arg2, PHP_INI_PERDIR);
1158 }
1159 /* }}} */
1160 
1161 /* {{{ php_apache_admin_flag_handler
1162  */
php_apache_admin_flag_handler(cmd_parms * cmd,php_per_dir_config * conf,char * arg1,char * arg2)1163 static CONST_PREFIX char *php_apache_admin_flag_handler(cmd_parms *cmd, php_per_dir_config *conf, char *arg1, char *arg2)
1164 {
1165 	return php_apache_flag_handler_ex(cmd, conf->ini_settings, arg1, arg2, PHP_INI_SYSTEM);
1166 }
1167 /* }}} */
1168 
1169 /* {{{ php_apache_phpini_set
1170  */
php_apache_phpini_set(cmd_parms * cmd,HashTable * conf,char * arg)1171 static CONST_PREFIX char *php_apache_phpini_set(cmd_parms *cmd, HashTable *conf, char *arg)
1172 {
1173 	if (apache_sapi_module.php_ini_path_override) {
1174 		return "Only first PHPINIDir directive honored per configuration tree - subsequent ones ignored";
1175 	}
1176 	apache_sapi_module.php_ini_path_override = ap_server_root_relative(cmd->pool, arg);
1177 	return NULL;
1178 }
1179 /* }}} */
1180 
1181 /* {{{ int php_xbithack_handler(request_rec * r)
1182  */
php_xbithack_handler(request_rec * r)1183 static int php_xbithack_handler(request_rec * r)
1184 {
1185 	php_per_dir_config *conf;
1186 	TSRMLS_FETCH();
1187 
1188 	if (!(r->finfo.st_mode & S_IXUSR)) {
1189 		r->allowed |= (1 << METHODS) - 1;
1190 		return DECLINED;
1191 	}
1192 	conf = (php_per_dir_config *) get_module_config(r->per_dir_config, &php5_module);
1193 	if (conf) {
1194 		zend_hash_apply((HashTable *) conf->ini_settings, (apply_func_t) php_apache_alter_ini_entries TSRMLS_CC);
1195 	}
1196 	if(!AP(xbithack)) {
1197 		r->allowed |= (1 << METHODS) - 1;
1198 		zend_try {
1199 			zend_ini_deactivate(TSRMLS_C);
1200 		} zend_end_try();
1201 		return DECLINED;
1202 	}
1203 	return send_parsed_php(r);
1204 }
1205 /* }}} */
1206 
1207 /* {{{ apache_php_module_shutdown_wrapper
1208  */
apache_php_module_shutdown_wrapper(void)1209 static void apache_php_module_shutdown_wrapper(void)
1210 {
1211 	apache_php_initialized = 0;
1212 	apache_sapi_module.shutdown(&apache_sapi_module);
1213 
1214 #if MODULE_MAGIC_NUMBER >= 19970728
1215 	/* This function is only called on server exit if the apache API
1216 	 * child_exit handler exists, so shutdown globally
1217 	 */
1218 	sapi_shutdown();
1219 #endif
1220 
1221 #ifdef ZTS
1222 	tsrm_shutdown();
1223 #endif
1224 }
1225 /* }}} */
1226 
1227 #if MODULE_MAGIC_NUMBER >= 19970728
1228 /* {{{ php_child_exit_handler
1229  */
php_child_exit_handler(server_rec * s,pool * p)1230 static void php_child_exit_handler(server_rec *s, pool *p)
1231 {
1232 /*	apache_php_initialized = 0; */
1233 	apache_sapi_module.shutdown(&apache_sapi_module);
1234 
1235 #ifdef ZTS
1236 	tsrm_shutdown();
1237 #endif
1238 }
1239 /* }}} */
1240 #endif
1241 
1242 /* {{{ void php_init_handler(server_rec *s, pool *p)
1243  */
php_init_handler(server_rec * s,pool * p)1244 static void php_init_handler(server_rec *s, pool *p)
1245 {
1246 	register_cleanup(p, NULL, (void (*)(void *))apache_php_module_shutdown_wrapper, (void (*)(void *))php_module_shutdown_for_exec);
1247 	if (!apache_php_initialized) {
1248 		apache_php_initialized = 1;
1249 #ifdef ZTS
1250 		tsrm_startup(1, 1, 0, NULL);
1251 #endif
1252 		sapi_startup(&apache_sapi_module);
1253 		php_apache_startup(&apache_sapi_module);
1254 	}
1255 #if MODULE_MAGIC_NUMBER >= 19980527
1256 	{
1257 		TSRMLS_FETCH();
1258 		if (PG(expose_php)) {
1259 			ap_add_version_component("PHP/" PHP_VERSION);
1260 		}
1261 	}
1262 #endif
1263 }
1264 /* }}} */
1265 
php_run_hook(php_handler * handler,request_rec * r)1266 static int php_run_hook(php_handler *handler, request_rec *r)
1267 {
1268 	zval *ret = NULL;
1269 	php_per_dir_config *conf;
1270 
1271 	TSRMLS_FETCH();
1272 
1273 	if(!AP(apache_config_loaded)) {
1274 		conf = (php_per_dir_config *) get_module_config(r->per_dir_config, &php5_module);
1275 		if (conf)
1276 			   zend_hash_apply((HashTable *)conf->ini_settings, (apply_func_t) php_apache_alter_ini_entries TSRMLS_CC);
1277 		AP(apache_config_loaded) = 1;
1278 	}
1279 	if (!handler->name) {
1280 		return DECLINED;
1281 	}
1282 	php_save_umask();
1283 	if (!AP(setup_env)) {
1284 		AP(setup_env) = 1;
1285 		add_common_vars(r);
1286 		add_cgi_vars(r);
1287 	}
1288 	SG(server_context) = r;
1289 	init_request_info(TSRMLS_C);
1290 	apache_php_module_hook(r, handler, &ret TSRMLS_CC);
1291 	php_restore_umask();
1292 	kill_timeout(r);
1293 	if (ret) {
1294 		convert_to_long(ret);
1295 		return Z_LVAL_P(ret);
1296 	}
1297 	return HTTP_INTERNAL_SERVER_ERROR;
1298 }
1299 
1300 
php_uri_translation(request_rec * r)1301 static int php_uri_translation(request_rec *r)
1302 {
1303 	php_per_server_config *conf;
1304 	TSRMLS_FETCH();
1305 	AP(current_hook) = AP_URI_TRANS;
1306 	conf = (php_per_server_config *) get_module_config(r->server->module_config, &php5_module);
1307 	return sapi_stack_apply_with_argument_stop_if_equals(&conf->uri_handlers,
1308 			ZEND_STACK_APPLY_BOTTOMUP,
1309 			(int (*)(void *element, void *)) php_run_hook, r, OK);
1310 }
1311 
php_header_hook(request_rec * r)1312 static int php_header_hook(request_rec *r)
1313 {
1314 	php_per_dir_config *conf;
1315 	TSRMLS_FETCH();
1316 	AP(current_hook) = AP_HEADER_PARSE;
1317 	conf = (php_per_dir_config *) get_module_config(r->per_dir_config, &php5_module);
1318 	return sapi_stack_apply_with_argument_stop_if_http_error(&conf->headers_handlers,
1319 			ZEND_STACK_APPLY_BOTTOMUP,
1320 			(int (*)(void *element, void *)) php_run_hook, r);
1321 }
1322 
php_auth_hook(request_rec * r)1323 static int php_auth_hook(request_rec *r)
1324 {
1325 	php_per_dir_config *conf;
1326 	TSRMLS_FETCH();
1327 	AP(current_hook) = AP_AUTHENTICATION;
1328 	conf = (php_per_dir_config *) get_module_config(r->per_dir_config, &php5_module);
1329 	return sapi_stack_apply_with_argument_stop_if_equals(&conf->auth_handlers,
1330 			ZEND_STACK_APPLY_BOTTOMUP,
1331 			(int (*)(void *element, void *)) php_run_hook, r, OK);
1332 }
1333 
php_access_hook(request_rec * r)1334 static int php_access_hook(request_rec *r)
1335 {
1336 	php_per_dir_config *conf;
1337 	int status = DECLINED;
1338 	TSRMLS_FETCH();
1339 	AP(current_hook) = AP_ACCESS_CONTROL;
1340 	conf = (php_per_dir_config *) get_module_config(r->per_dir_config, &php5_module);
1341 	status =  sapi_stack_apply_with_argument_stop_if_http_error(&conf->access_handlers,
1342 			ZEND_STACK_APPLY_BOTTOMUP,
1343 			(int (*)(void *element, void *)) php_run_hook, r);
1344 	return status;
1345 
1346 }
1347 
php_type_hook(request_rec * r)1348 static int php_type_hook(request_rec *r)
1349 {
1350 	php_per_dir_config *conf;
1351 	TSRMLS_FETCH();
1352 	AP(current_hook) = AP_TYPE_CHECKING;
1353 	conf = (php_per_dir_config *) get_module_config(r->per_dir_config, &php5_module);
1354 	return sapi_stack_apply_with_argument_stop_if_equals(&conf->type_handlers,
1355 			ZEND_STACK_APPLY_BOTTOMUP,
1356 			(int (*)(void *element, void *)) php_run_hook,
1357 			r, OK);
1358 }
1359 
php_fixup_hook(request_rec * r)1360 static int php_fixup_hook(request_rec *r)
1361 {
1362 	php_per_dir_config *conf;
1363 	TSRMLS_FETCH();
1364 	AP(current_hook) = AP_FIXUP;
1365 	conf = (php_per_dir_config *) get_module_config(r->per_dir_config, &php5_module);
1366 	return sapi_stack_apply_with_argument_stop_if_http_error(&conf->fixup_handlers,
1367 			ZEND_STACK_APPLY_BOTTOMUP,
1368 			(int (*)(void *element, void *)) php_run_hook,
1369 			r);
1370 }
1371 
php_logger_hook(request_rec * r)1372 static int php_logger_hook(request_rec *r)
1373 {
1374 	php_per_dir_config *conf;
1375 	TSRMLS_FETCH();
1376 	AP(current_hook) = AP_LOGGING;
1377 	conf = (php_per_dir_config *) get_module_config(r->per_dir_config, &php5_module);
1378 	return sapi_stack_apply_with_argument_stop_if_http_error(&conf->logger_handlers,
1379 			ZEND_STACK_APPLY_BOTTOMUP,
1380 			(int (*)(void *element, void *)) php_run_hook,
1381 			r);
1382 }
1383 
php_post_read_hook(request_rec * r)1384 static int php_post_read_hook(request_rec *r)
1385 {
1386 	php_per_dir_config *conf;
1387 	php_per_server_config *svr;
1388 	TSRMLS_FETCH();
1389 	AP(current_hook) = AP_POST_READ;
1390 	svr = get_module_config(r->server->module_config, &php5_module);
1391 	if(ap_is_initial_req(r)) {
1392 		sapi_stack_apply_with_argument_all(&svr->requires, ZEND_STACK_APPLY_BOTTOMUP, (int (*)(void *element, void *)) php_run_hook, r);
1393 	}
1394 	conf = (php_per_dir_config *) get_module_config(r->per_dir_config, &php5_module);
1395 	return sapi_stack_apply_with_argument_stop_if_http_error(&conf->post_read_handlers,
1396 			ZEND_STACK_APPLY_BOTTOMUP,
1397 			(int (*)(void *element, void *)) php_run_hook, r);
1398 }
1399 
php_response_handler(request_rec * r)1400 static int php_response_handler(request_rec *r)
1401 {
1402 	php_per_dir_config *conf;
1403 	TSRMLS_FETCH();
1404 	AP(current_hook) = AP_RESPONSE;
1405 	conf = (php_per_dir_config *) get_module_config(r->per_dir_config, &php5_module);
1406 	return sapi_stack_apply_with_argument_all(&conf->response_handlers, ZEND_STACK_APPLY_BOTTOMUP, (int (*)(void *element, void *)) php_run_hook, r);
1407 }
1408 
1409 /* {{{ handler_rec php_handlers[]
1410  */
1411 handler_rec php_handlers[] =
1412 {
1413 	{"application/x-httpd-php", send_parsed_php},
1414 	{"application/x-httpd-php-source", send_parsed_php_source},
1415 	{"text/html", php_xbithack_handler},
1416 		{"php-script", php_response_handler},
1417 	{NULL}
1418 };
1419 /* }}} */
1420 
1421 /* {{{ command_rec php_commands[]
1422  */
1423 command_rec php_commands[] =
1424 {
1425 	{"php_value",		php_apache_value_handler, NULL, OR_OPTIONS, TAKE2, "PHP Value Modifier"},
1426 	{"phpUriHandler",		php_set_uri_handler, NULL, RSRC_CONF, TAKE1, "PHP Value Modifier"},
1427 	{"phpUriHandlerMethod",		php_set_uri_handler_code, NULL, RSRC_CONF, TAKE1, "PHP Value Modifier"},
1428 #if MODULE_MAGIC_NUMBER >= 19970103
1429 	{"phpHeaderHandler",		php_set_header_handler, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"},
1430 	{"phpHeaderHandlerMethod",		php_set_header_handler_code, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"},
1431 #endif
1432 	{"phpAuthHandler",		php_set_auth_handler, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"},
1433 	{"phpAuthHandlerMethod",		php_set_auth_handler_code, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"},
1434 	{"phpAccessHandler",		php_set_access_handler, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"},
1435 	{"phpAccessHandlerMethod",		php_set_access_handler_code, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"},
1436 	{"phpTypeHandler",		php_set_type_handler, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"},
1437 	{"phpTypeHandlerMethod",		php_set_type_handler_code, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"},
1438 	{"phpFixupHandler",		php_set_fixup_handler, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"},
1439 	{"phpFixupHandlerMethod",		php_set_fixup_handler_code, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"},
1440 	{"phpLoggerHandler",			php_set_logger_handler, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"},
1441 	{"phpLoggerHandlerMethod",		php_set_logger_handler_code, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"},
1442 #if MODULE_MAGIC_NUMBER >= 19970902
1443 	{"phpPostReadHandler",		php_set_post_read_handler, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"},
1444 	{"phpPostReadHandlerMethod",		php_set_post_read_handler_code, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"},
1445 	{"phpRequire",		php_set_require, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"},
1446 	{"phpResponseHandler",		php_set_response_handler, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"},
1447 	{"phpResponseHandlerMethod",		php_set_response_handler_code, NULL, OR_OPTIONS, TAKE1, "PHP Value Modifier"},
1448 #endif
1449 	{"php_flag",		php_apache_flag_handler, NULL, OR_OPTIONS, TAKE2, "PHP Flag Modifier"},
1450 	{"php_admin_value",	php_apache_admin_value_handler, NULL, ACCESS_CONF|RSRC_CONF, TAKE2, "PHP Value Modifier (Admin)"},
1451 	{"php_admin_flag",	php_apache_admin_flag_handler, NULL, ACCESS_CONF|RSRC_CONF, TAKE2, "PHP Flag Modifier (Admin)"},
1452 	{"PHPINIDir",       php_apache_phpini_set, NULL, RSRC_CONF, TAKE1, "Directory containing the php.ini file"},
1453 	{NULL}
1454 };
1455 /* }}} */
1456 
1457 /* {{{ module MODULE_VAR_EXPORT php5_module
1458  */
1459 module MODULE_VAR_EXPORT php5_module =
1460 {
1461 	STANDARD_MODULE_STUFF,
1462 	php_init_handler,			/* initializer */
1463 	php_create_dir,				/* per-directory config creator */
1464 	php_merge_dir,				/* dir merger */
1465 	php_create_server,			/* per-server config creator */
1466 	NULL, 						/* merge server config */
1467 	php_commands,				/* command table */
1468 	php_handlers,				/* handlers */
1469 	php_uri_translation,		/* filename translation */
1470 	NULL,						/* check_user_id */
1471 	php_auth_hook,				/* check auth */
1472 	php_access_hook,			/* check access */
1473 	php_type_hook,				/* type_checker */
1474 	php_fixup_hook,				/* fixups */
1475 	php_logger_hook				/* logger */
1476 #if MODULE_MAGIC_NUMBER >= 19970103
1477 	, php_header_hook						/* header parser */
1478 #endif
1479 #if MODULE_MAGIC_NUMBER >= 19970719
1480 	, NULL			 			/* child_init */
1481 #endif
1482 #if MODULE_MAGIC_NUMBER >= 19970728
1483 	, php_child_exit_handler	/* child_exit */
1484 #endif
1485 #if MODULE_MAGIC_NUMBER >= 19970902
1486 	, php_post_read_hook						/* post read-request */
1487 #endif
1488 };
1489 /* }}} */
1490 
1491 /*
1492  * Local variables:
1493  * tab-width: 4
1494  * c-basic-offset: 4
1495  * End:
1496  * vim600: sw=4 ts=4 fdm=marker
1497  * vim<600: sw=4 ts=4
1498  */
1499