1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 7 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 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: Sascha Schumann <sascha@schumann.cx> |
16 | Parts based on Apache 1.3 SAPI module by |
17 | Rasmus Lerdorf and Zeev Suraski |
18 +----------------------------------------------------------------------+
19 */
20
21 #define ZEND_INCLUDE_FULL_WINDOWS_HEADERS
22
23 #include "php.h"
24 #include "php_main.h"
25 #include "php_ini.h"
26 #include "php_variables.h"
27 #include "SAPI.h"
28
29 #include <fcntl.h>
30
31 #include "zend_smart_str.h"
32 #include "ext/standard/php_standard.h"
33
34 #include "apr_strings.h"
35 #include "ap_config.h"
36 #include "util_filter.h"
37 #include "httpd.h"
38 #include "http_config.h"
39 #include "http_request.h"
40 #include "http_core.h"
41 #include "http_protocol.h"
42 #include "http_log.h"
43 #include "http_main.h"
44 #include "util_script.h"
45 #include "http_core.h"
46 #include "ap_mpm.h"
47
48 #include "php_apache.h"
49
50 /* UnixWare define shutdown to _shutdown, which causes problems later
51 * on when using a structure member named shutdown. Since this source
52 * file does not use the system call shutdown, it is safe to #undef it.
53 */
54 #undef shutdown
55
56 #define PHP_MAGIC_TYPE "application/x-httpd-php"
57 #define PHP_SOURCE_MAGIC_TYPE "application/x-httpd-php-source"
58 #define PHP_SCRIPT "php7-script"
59
60 /* A way to specify the location of the php.ini dir in an apache directive */
61 char *apache2_php_ini_path_override = NULL;
62 #if defined(PHP_WIN32) && defined(ZTS)
ZEND_TSRMLS_CACHE_DEFINE()63 ZEND_TSRMLS_CACHE_DEFINE()
64 #endif
65
66 static size_t
67 php_apache_sapi_ub_write(const char *str, size_t str_length)
68 {
69 request_rec *r;
70 php_struct *ctx;
71
72 ctx = SG(server_context);
73 r = ctx->r;
74
75 if (ap_rwrite(str, str_length, r) < 0) {
76 php_handle_aborted_connection();
77 }
78
79 return str_length; /* we always consume all the data passed to us. */
80 }
81
82 static int
php_apache_sapi_header_handler(sapi_header_struct * sapi_header,sapi_header_op_enum op,sapi_headers_struct * sapi_headers)83 php_apache_sapi_header_handler(sapi_header_struct *sapi_header, sapi_header_op_enum op, sapi_headers_struct *sapi_headers)
84 {
85 php_struct *ctx;
86 char *val, *ptr;
87
88 ctx = SG(server_context);
89
90 switch (op) {
91 case SAPI_HEADER_DELETE:
92 apr_table_unset(ctx->r->headers_out, sapi_header->header);
93 return 0;
94
95 case SAPI_HEADER_DELETE_ALL:
96 apr_table_clear(ctx->r->headers_out);
97 return 0;
98
99 case SAPI_HEADER_ADD:
100 case SAPI_HEADER_REPLACE:
101 val = strchr(sapi_header->header, ':');
102
103 if (!val) {
104 return 0;
105 }
106 ptr = val;
107
108 *val = '\0';
109
110 do {
111 val++;
112 } while (*val == ' ');
113
114 if (!strcasecmp(sapi_header->header, "content-type")) {
115 if (ctx->content_type) {
116 efree(ctx->content_type);
117 }
118 ctx->content_type = estrdup(val);
119 } else if (!strcasecmp(sapi_header->header, "content-length")) {
120 apr_off_t clen = 0;
121
122 if (APR_SUCCESS != apr_strtoff(&clen, val, (char **) NULL, 10)) {
123 /* We'll fall back to strtol, since that's what we used to
124 * do anyway. */
125 clen = (apr_off_t) strtol(val, (char **) NULL, 10);
126 }
127
128 ap_set_content_length(ctx->r, clen);
129 } else if (op == SAPI_HEADER_REPLACE) {
130 apr_table_set(ctx->r->headers_out, sapi_header->header, val);
131 } else {
132 apr_table_add(ctx->r->headers_out, sapi_header->header, val);
133 }
134
135 *ptr = ':';
136
137 return SAPI_HEADER_ADD;
138
139 default:
140 return 0;
141 }
142 }
143
144 static int
php_apache_sapi_send_headers(sapi_headers_struct * sapi_headers)145 php_apache_sapi_send_headers(sapi_headers_struct *sapi_headers)
146 {
147 php_struct *ctx = SG(server_context);
148 const char *sline = SG(sapi_headers).http_status_line;
149
150 ctx->r->status = SG(sapi_headers).http_response_code;
151
152 /* httpd requires that r->status_line is set to the first digit of
153 * the status-code: */
154 if (sline && strlen(sline) > 12 && strncmp(sline, "HTTP/1.", 7) == 0 && sline[8] == ' ') {
155 ctx->r->status_line = apr_pstrdup(ctx->r->pool, sline + 9);
156 ctx->r->proto_num = 1000 + (sline[7]-'0');
157 if ((sline[7]-'0') == 0) {
158 apr_table_set(ctx->r->subprocess_env, "force-response-1.0", "true");
159 }
160 }
161
162 /* call ap_set_content_type only once, else each time we call it,
163 configured output filters for that content type will be added */
164 if (!ctx->content_type) {
165 ctx->content_type = sapi_get_default_content_type();
166 }
167 ap_set_content_type(ctx->r, apr_pstrdup(ctx->r->pool, ctx->content_type));
168 efree(ctx->content_type);
169 ctx->content_type = NULL;
170
171 return SAPI_HEADER_SENT_SUCCESSFULLY;
172 }
173
174 static apr_size_t
php_apache_sapi_read_post(char * buf,size_t count_bytes)175 php_apache_sapi_read_post(char *buf, size_t count_bytes)
176 {
177 apr_size_t len, tlen=0;
178 php_struct *ctx = SG(server_context);
179 request_rec *r;
180 apr_bucket_brigade *brigade;
181
182 r = ctx->r;
183 brigade = ctx->brigade;
184 len = count_bytes;
185
186 /*
187 * This loop is needed because ap_get_brigade() can return us partial data
188 * which would cause premature termination of request read. Therefor we
189 * need to make sure that if data is available we fill the buffer completely.
190 */
191
192 while (ap_get_brigade(r->input_filters, brigade, AP_MODE_READBYTES, APR_BLOCK_READ, len) == APR_SUCCESS) {
193 apr_brigade_flatten(brigade, buf, &len);
194 apr_brigade_cleanup(brigade);
195 tlen += len;
196 if (tlen == count_bytes || !len) {
197 break;
198 }
199 buf += len;
200 len = count_bytes - tlen;
201 }
202
203 return tlen;
204 }
205
206 static zend_stat_t*
php_apache_sapi_get_stat(void)207 php_apache_sapi_get_stat(void)
208 {
209 php_struct *ctx = SG(server_context);
210
211 #ifdef PHP_WIN32
212 ctx->finfo.st_uid = 0;
213 ctx->finfo.st_gid = 0;
214 #else
215 ctx->finfo.st_uid = ctx->r->finfo.user;
216 ctx->finfo.st_gid = ctx->r->finfo.group;
217 #endif
218 ctx->finfo.st_dev = ctx->r->finfo.device;
219 ctx->finfo.st_ino = ctx->r->finfo.inode;
220 ctx->finfo.st_atime = apr_time_sec(ctx->r->finfo.atime);
221 ctx->finfo.st_mtime = apr_time_sec(ctx->r->finfo.mtime);
222 ctx->finfo.st_ctime = apr_time_sec(ctx->r->finfo.ctime);
223 ctx->finfo.st_size = ctx->r->finfo.size;
224 ctx->finfo.st_nlink = ctx->r->finfo.nlink;
225
226 return &ctx->finfo;
227 }
228
229 static char *
php_apache_sapi_read_cookies(void)230 php_apache_sapi_read_cookies(void)
231 {
232 php_struct *ctx = SG(server_context);
233 const char *http_cookie;
234
235 http_cookie = apr_table_get(ctx->r->headers_in, "cookie");
236
237 /* The SAPI interface should use 'const char *' */
238 return (char *) http_cookie;
239 }
240
241 static char *
php_apache_sapi_getenv(char * name,size_t name_len)242 php_apache_sapi_getenv(char *name, size_t name_len)
243 {
244 php_struct *ctx = SG(server_context);
245 const char *env_var;
246
247 if (ctx == NULL) {
248 return NULL;
249 }
250
251 env_var = apr_table_get(ctx->r->subprocess_env, name);
252
253 return (char *) env_var;
254 }
255
256 static void
php_apache_sapi_register_variables(zval * track_vars_array)257 php_apache_sapi_register_variables(zval *track_vars_array)
258 {
259 php_struct *ctx = SG(server_context);
260 const apr_array_header_t *arr = apr_table_elts(ctx->r->subprocess_env);
261 char *key, *val;
262 size_t new_val_len;
263
264 APR_ARRAY_FOREACH_OPEN(arr, key, val)
265 if (!val) {
266 val = "";
267 }
268 if (sapi_module.input_filter(PARSE_SERVER, key, &val, strlen(val), &new_val_len)) {
269 php_register_variable_safe(key, val, new_val_len, track_vars_array);
270 }
271 APR_ARRAY_FOREACH_CLOSE()
272
273 if (sapi_module.input_filter(PARSE_SERVER, "PHP_SELF", &ctx->r->uri, strlen(ctx->r->uri), &new_val_len)) {
274 php_register_variable_safe("PHP_SELF", ctx->r->uri, new_val_len, track_vars_array);
275 }
276 }
277
278 static void
php_apache_sapi_flush(void * server_context)279 php_apache_sapi_flush(void *server_context)
280 {
281 php_struct *ctx;
282 request_rec *r;
283
284 ctx = server_context;
285
286 /* If we haven't registered a server_context yet,
287 * then don't bother flushing. */
288 if (!server_context) {
289 return;
290 }
291
292 r = ctx->r;
293
294 sapi_send_headers();
295
296 r->status = SG(sapi_headers).http_response_code;
297 SG(headers_sent) = 1;
298
299 if (ap_rflush(r) < 0 || r->connection->aborted) {
300 php_handle_aborted_connection();
301 }
302 }
303
php_apache_sapi_log_message(char * msg,int syslog_type_int)304 static void php_apache_sapi_log_message(char *msg, int syslog_type_int)
305 {
306 php_struct *ctx;
307 int aplog_type = APLOG_ERR;
308
309 ctx = SG(server_context);
310
311 switch (syslog_type_int) {
312 #if LOG_EMERG != LOG_CRIT
313 case LOG_EMERG:
314 aplog_type = APLOG_EMERG;
315 break;
316 #endif
317 #if LOG_ALERT != LOG_CRIT
318 case LOG_ALERT:
319 aplog_type = APLOG_ALERT;
320 break;
321 #endif
322 case LOG_CRIT:
323 aplog_type = APLOG_CRIT;
324 break;
325 case LOG_ERR:
326 aplog_type = APLOG_ERR;
327 break;
328 case LOG_WARNING:
329 aplog_type = APLOG_WARNING;
330 break;
331 case LOG_NOTICE:
332 aplog_type = APLOG_NOTICE;
333 break;
334 #if LOG_INFO != LOG_NOTICE
335 case LOG_INFO:
336 aplog_type = APLOG_INFO;
337 break;
338 #endif
339 #if LOG_NOTICE != LOG_DEBUG
340 case LOG_DEBUG:
341 aplog_type = APLOG_DEBUG;
342 break;
343 #endif
344 }
345
346 if (ctx == NULL) { /* we haven't initialized our ctx yet, oh well */
347 ap_log_error(APLOG_MARK, APLOG_ERR | APLOG_STARTUP, 0, NULL, "%s", msg);
348 } else {
349 ap_log_rerror(APLOG_MARK, aplog_type, 0, ctx->r, "%s", msg);
350 }
351 }
352
php_apache_sapi_log_message_ex(char * msg,request_rec * r)353 static void php_apache_sapi_log_message_ex(char *msg, request_rec *r)
354 {
355 if (r) {
356 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, msg, r->filename);
357 } else {
358 php_apache_sapi_log_message(msg, -1);
359 }
360 }
361
php_apache_sapi_get_request_time(void)362 static double php_apache_sapi_get_request_time(void)
363 {
364 php_struct *ctx = SG(server_context);
365 return ((double) ctx->r->request_time) / 1000000.0;
366 }
367
368 extern zend_module_entry php_apache_module;
369
php_apache2_startup(sapi_module_struct * sapi_module)370 static int php_apache2_startup(sapi_module_struct *sapi_module)
371 {
372 if (php_module_startup(sapi_module, &php_apache_module, 1)==FAILURE) {
373 return FAILURE;
374 }
375 return SUCCESS;
376 }
377
378 static sapi_module_struct apache2_sapi_module = {
379 "apache2handler",
380 "Apache 2.0 Handler",
381
382 php_apache2_startup, /* startup */
383 php_module_shutdown_wrapper, /* shutdown */
384
385 NULL, /* activate */
386 NULL, /* deactivate */
387
388 php_apache_sapi_ub_write, /* unbuffered write */
389 php_apache_sapi_flush, /* flush */
390 php_apache_sapi_get_stat, /* get uid */
391 php_apache_sapi_getenv, /* getenv */
392
393 php_error, /* error handler */
394
395 php_apache_sapi_header_handler, /* header handler */
396 php_apache_sapi_send_headers, /* send headers handler */
397 NULL, /* send header handler */
398
399 php_apache_sapi_read_post, /* read POST data */
400 php_apache_sapi_read_cookies, /* read Cookies */
401
402 php_apache_sapi_register_variables,
403 php_apache_sapi_log_message, /* Log message */
404 php_apache_sapi_get_request_time, /* Request Time */
405 NULL, /* Child Terminate */
406
407 STANDARD_SAPI_MODULE_PROPERTIES
408 };
409
php_apache_server_shutdown(void * tmp)410 static apr_status_t php_apache_server_shutdown(void *tmp)
411 {
412 apache2_sapi_module.shutdown(&apache2_sapi_module);
413 sapi_shutdown();
414 #ifdef ZTS
415 tsrm_shutdown();
416 #endif
417 return APR_SUCCESS;
418 }
419
php_apache_child_shutdown(void * tmp)420 static apr_status_t php_apache_child_shutdown(void *tmp)
421 {
422 apache2_sapi_module.shutdown(&apache2_sapi_module);
423 #if defined(ZTS) && !defined(PHP_WIN32)
424 tsrm_shutdown();
425 #endif
426 return APR_SUCCESS;
427 }
428
php_apache_add_version(apr_pool_t * p)429 static void php_apache_add_version(apr_pool_t *p)
430 {
431 if (PG(expose_php)) {
432 ap_add_version_component(p, "PHP/" PHP_VERSION);
433 }
434 }
435
php_pre_config(apr_pool_t * pconf,apr_pool_t * plog,apr_pool_t * ptemp)436 static int php_pre_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp)
437 {
438 #ifndef ZTS
439 int threaded_mpm;
440
441 ap_mpm_query(AP_MPMQ_IS_THREADED, &threaded_mpm);
442 if(threaded_mpm) {
443 ap_log_error(APLOG_MARK, APLOG_CRIT, 0, 0, "Apache is running a threaded MPM, but your PHP Module is not compiled to be threadsafe. You need to recompile PHP.");
444 return DONE;
445 }
446 #endif
447 /* When this is NULL, apache won't override the hard-coded default
448 * php.ini path setting. */
449 apache2_php_ini_path_override = NULL;
450 return OK;
451 }
452
453 static int
php_apache_server_startup(apr_pool_t * pconf,apr_pool_t * plog,apr_pool_t * ptemp,server_rec * s)454 php_apache_server_startup(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *s)
455 {
456 void *data = NULL;
457 const char *userdata_key = "apache2hook_post_config";
458
459 /* Apache will load, unload and then reload a DSO module. This
460 * prevents us from starting PHP until the second load. */
461 apr_pool_userdata_get(&data, userdata_key, s->process->pool);
462 if (data == NULL) {
463 /* We must use set() here and *not* setn(), otherwise the
464 * static string pointed to by userdata_key will be mapped
465 * to a different location when the DSO is reloaded and the
466 * pointers won't match, causing get() to return NULL when
467 * we expected it to return non-NULL. */
468 apr_pool_userdata_set((const void *)1, userdata_key, apr_pool_cleanup_null, s->process->pool);
469 return OK;
470 }
471
472 /* Set up our overridden path. */
473 if (apache2_php_ini_path_override) {
474 apache2_sapi_module.php_ini_path_override = apache2_php_ini_path_override;
475 }
476 #ifdef ZTS
477 php_tsrm_startup();
478 # ifdef PHP_WIN32
479 ZEND_TSRMLS_CACHE_UPDATE();
480 # endif
481 #endif
482
483 zend_signal_startup();
484
485 sapi_startup(&apache2_sapi_module);
486 if (apache2_sapi_module.startup(&apache2_sapi_module) != SUCCESS) {
487 return DONE;
488 }
489 apr_pool_cleanup_register(pconf, NULL, php_apache_server_shutdown, apr_pool_cleanup_null);
490 php_apache_add_version(pconf);
491
492 return OK;
493 }
494
php_server_context_cleanup(void * data_)495 static apr_status_t php_server_context_cleanup(void *data_)
496 {
497 void **data = data_;
498 *data = NULL;
499 return APR_SUCCESS;
500 }
501
php_apache_request_ctor(request_rec * r,php_struct * ctx)502 static int php_apache_request_ctor(request_rec *r, php_struct *ctx)
503 {
504 char *content_length;
505 const char *auth;
506
507 SG(sapi_headers).http_response_code = !r->status ? HTTP_OK : r->status;
508 SG(request_info).content_type = apr_table_get(r->headers_in, "Content-Type");
509 SG(request_info).query_string = apr_pstrdup(r->pool, r->args);
510 SG(request_info).request_method = r->method;
511 SG(request_info).proto_num = r->proto_num;
512 SG(request_info).request_uri = apr_pstrdup(r->pool, r->uri);
513 SG(request_info).path_translated = apr_pstrdup(r->pool, r->filename);
514 r->no_local_copy = 1;
515
516 content_length = (char *) apr_table_get(r->headers_in, "Content-Length");
517 if (content_length) {
518 ZEND_ATOL(SG(request_info).content_length, content_length);
519 } else {
520 SG(request_info).content_length = 0;
521 }
522
523 apr_table_unset(r->headers_out, "Content-Length");
524 apr_table_unset(r->headers_out, "Last-Modified");
525 apr_table_unset(r->headers_out, "Expires");
526 apr_table_unset(r->headers_out, "ETag");
527
528 auth = apr_table_get(r->headers_in, "Authorization");
529 php_handle_auth_data(auth);
530
531 if (SG(request_info).auth_user == NULL && r->user) {
532 SG(request_info).auth_user = estrdup(r->user);
533 }
534
535 ctx->r->user = apr_pstrdup(ctx->r->pool, SG(request_info).auth_user);
536
537 return php_request_startup();
538 }
539
php_apache_request_dtor(request_rec * r)540 static void php_apache_request_dtor(request_rec *r)
541 {
542 php_request_shutdown(NULL);
543 }
544
php_apache_ini_dtor(request_rec * r,request_rec * p)545 static void php_apache_ini_dtor(request_rec *r, request_rec *p)
546 {
547 if (strcmp(r->protocol, "INCLUDED")) {
548 zend_try { zend_ini_deactivate(); } zend_end_try();
549 } else {
550 typedef struct {
551 HashTable config;
552 } php_conf_rec;
553 zend_string *str;
554 php_conf_rec *c = ap_get_module_config(r->per_dir_config, &php7_module);
555
556 ZEND_HASH_FOREACH_STR_KEY(&c->config, str) {
557 zend_restore_ini_entry(str, ZEND_INI_STAGE_SHUTDOWN);
558 } ZEND_HASH_FOREACH_END();
559 }
560 if (p) {
561 ((php_struct *)SG(server_context))->r = p;
562 } else {
563 apr_pool_cleanup_run(r->pool, (void *)&SG(server_context), php_server_context_cleanup);
564 }
565 }
566
php_handler(request_rec * r)567 static int php_handler(request_rec *r)
568 {
569 php_struct * volatile ctx;
570 void *conf;
571 apr_bucket_brigade * volatile brigade;
572 apr_bucket *bucket;
573 apr_status_t rv;
574 request_rec * volatile parent_req = NULL;
575 #ifdef ZTS
576 /* initial resource fetch */
577 (void)ts_resource(0);
578 # ifdef PHP_WIN32
579 ZEND_TSRMLS_CACHE_UPDATE();
580 # endif
581 #endif
582
583 #define PHPAP_INI_OFF php_apache_ini_dtor(r, parent_req);
584
585 conf = ap_get_module_config(r->per_dir_config, &php7_module);
586
587 /* apply_config() needs r in some cases, so allocate server_context early */
588 ctx = SG(server_context);
589 if (ctx == NULL || (ctx && ctx->request_processed && !strcmp(r->protocol, "INCLUDED"))) {
590 normal:
591 ctx = SG(server_context) = apr_pcalloc(r->pool, sizeof(*ctx));
592 /* register a cleanup so we clear out the SG(server_context)
593 * after each request. Note: We pass in the pointer to the
594 * server_context in case this is handled by a different thread.
595 */
596 apr_pool_cleanup_register(r->pool, (void *)&SG(server_context), php_server_context_cleanup, apr_pool_cleanup_null);
597 ctx->r = r;
598 ctx = NULL; /* May look weird to null it here, but it is to catch the right case in the first_try later on */
599 } else {
600 parent_req = ctx->r;
601 ctx->r = r;
602 }
603 apply_config(conf);
604
605 if (strcmp(r->handler, PHP_MAGIC_TYPE) && strcmp(r->handler, PHP_SOURCE_MAGIC_TYPE) && strcmp(r->handler, PHP_SCRIPT)) {
606 /* Check for xbithack in this case. */
607 if (!AP2(xbithack) || strcmp(r->handler, "text/html") || !(r->finfo.protection & APR_UEXECUTE)) {
608 PHPAP_INI_OFF;
609 return DECLINED;
610 }
611 }
612
613 /* Give a 404 if PATH_INFO is used but is explicitly disabled in
614 * the configuration; default behaviour is to accept. */
615 if (r->used_path_info == AP_REQ_REJECT_PATH_INFO
616 && r->path_info && r->path_info[0]) {
617 PHPAP_INI_OFF;
618 return HTTP_NOT_FOUND;
619 }
620
621 /* handle situations where user turns the engine off */
622 if (!AP2(engine)) {
623 PHPAP_INI_OFF;
624 return DECLINED;
625 }
626
627 if (r->finfo.filetype == 0) {
628 php_apache_sapi_log_message_ex("script '%s' not found or unable to stat", r);
629 PHPAP_INI_OFF;
630 return HTTP_NOT_FOUND;
631 }
632 if (r->finfo.filetype == APR_DIR) {
633 php_apache_sapi_log_message_ex("attempt to invoke directory '%s' as script", r);
634 PHPAP_INI_OFF;
635 return HTTP_FORBIDDEN;
636 }
637
638 /* Setup the CGI variables if this is the main request */
639 if (r->main == NULL ||
640 /* .. or if the sub-request environment differs from the main-request. */
641 r->subprocess_env != r->main->subprocess_env
642 ) {
643 /* setup standard CGI variables */
644 ap_add_common_vars(r);
645 ap_add_cgi_vars(r);
646 }
647
648 zend_first_try {
649
650 if (ctx == NULL) {
651 brigade = apr_brigade_create(r->pool, r->connection->bucket_alloc);
652 ctx = SG(server_context);
653 ctx->brigade = brigade;
654
655 if (php_apache_request_ctor(r, ctx)!=SUCCESS) {
656 zend_bailout();
657 }
658 } else {
659 if (!parent_req) {
660 parent_req = ctx->r;
661 }
662 if (parent_req && parent_req->handler &&
663 strcmp(parent_req->handler, PHP_MAGIC_TYPE) &&
664 strcmp(parent_req->handler, PHP_SOURCE_MAGIC_TYPE) &&
665 strcmp(parent_req->handler, PHP_SCRIPT)) {
666 if (php_apache_request_ctor(r, ctx)!=SUCCESS) {
667 zend_bailout();
668 }
669 }
670
671 /*
672 * check if coming due to ErrorDocument
673 * We make a special exception of 413 (Invalid POST request) as the invalidity of the request occurs
674 * during processing of the request by PHP during POST processing. Therefor we need to re-use the exiting
675 * PHP instance to handle the request rather then creating a new one.
676 */
677 if (parent_req && parent_req->status != HTTP_OK && parent_req->status != 413 && strcmp(r->protocol, "INCLUDED")) {
678 parent_req = NULL;
679 goto normal;
680 }
681 ctx->r = r;
682 brigade = ctx->brigade;
683 }
684
685 if (AP2(last_modified)) {
686 ap_update_mtime(r, r->finfo.mtime);
687 ap_set_last_modified(r);
688 }
689
690 /* Determine if we need to parse the file or show the source */
691 if (strncmp(r->handler, PHP_SOURCE_MAGIC_TYPE, sizeof(PHP_SOURCE_MAGIC_TYPE) - 1) == 0) {
692 zend_syntax_highlighter_ini syntax_highlighter_ini;
693 php_get_highlight_struct(&syntax_highlighter_ini);
694 highlight_file((char *)r->filename, &syntax_highlighter_ini);
695 } else {
696 zend_file_handle zfd;
697 zend_stream_init_filename(&zfd, (char *) r->filename);
698
699 if (!parent_req) {
700 php_execute_script(&zfd);
701 } else {
702 zend_execute_scripts(ZEND_INCLUDE, NULL, 1, &zfd);
703 }
704
705 apr_table_set(r->notes, "mod_php_memory_usage",
706 apr_psprintf(ctx->r->pool, "%" APR_SIZE_T_FMT, zend_memory_peak_usage(1)));
707 }
708
709 } zend_end_try();
710
711 if (!parent_req) {
712 php_apache_request_dtor(r);
713 ctx->request_processed = 1;
714 apr_brigade_cleanup(brigade);
715 bucket = apr_bucket_eos_create(r->connection->bucket_alloc);
716 APR_BRIGADE_INSERT_TAIL(brigade, bucket);
717
718 rv = ap_pass_brigade(r->output_filters, brigade);
719 if (rv != APR_SUCCESS || r->connection->aborted) {
720 zend_first_try {
721 php_handle_aborted_connection();
722 } zend_end_try();
723 }
724 apr_brigade_cleanup(brigade);
725 apr_pool_cleanup_run(r->pool, (void *)&SG(server_context), php_server_context_cleanup);
726 } else {
727 ctx->r = parent_req;
728 }
729
730 return OK;
731 }
732
php_apache_child_init(apr_pool_t * pchild,server_rec * s)733 static void php_apache_child_init(apr_pool_t *pchild, server_rec *s)
734 {
735 apr_pool_cleanup_register(pchild, NULL, php_apache_child_shutdown, apr_pool_cleanup_null);
736 }
737
738 #ifdef ZEND_SIGNALS
php_apache_signal_init(apr_pool_t * pchild,server_rec * s)739 static void php_apache_signal_init(apr_pool_t *pchild, server_rec *s)
740 {
741 zend_signal_init();
742 }
743 #endif
744
php_ap2_register_hook(apr_pool_t * p)745 void php_ap2_register_hook(apr_pool_t *p)
746 {
747 ap_hook_pre_config(php_pre_config, NULL, NULL, APR_HOOK_MIDDLE);
748 ap_hook_post_config(php_apache_server_startup, NULL, NULL, APR_HOOK_MIDDLE);
749 ap_hook_handler(php_handler, NULL, NULL, APR_HOOK_MIDDLE);
750 #ifdef ZEND_SIGNALS
751 ap_hook_child_init(php_apache_signal_init, NULL, NULL, APR_HOOK_MIDDLE);
752 #endif
753 ap_hook_child_init(php_apache_child_init, NULL, NULL, APR_HOOK_MIDDLE);
754 }
755
