1 /*
2 +----------------------------------------------------------------------+
3 | Copyright (c) The PHP Group |
4 +----------------------------------------------------------------------+
5 | This source file is subject to version 3.01 of the PHP license, |
6 | that is bundled with this package in the file LICENSE, and is |
7 | available through the world-wide-web at the following url: |
8 | https://www.php.net/license/3_01.txt |
9 | If you did not receive a copy of the PHP license and are unable to |
10 | obtain it through the world-wide-web, please send a note to |
11 | license@php.net so we can mail you a copy immediately. |
12 +----------------------------------------------------------------------+
13 | Authors: Sascha Schumann <sascha@schumann.cx> |
14 | Parts based on Apache 1.3 SAPI module by |
15 | Rasmus Lerdorf and Zeev Suraski |
16 +----------------------------------------------------------------------+
17 */
18
19 #define ZEND_INCLUDE_FULL_WINDOWS_HEADERS
20
21 #include "php.h"
22 #ifdef strcasecmp
23 # undef strcasecmp
24 #endif
25 #ifdef strncasecmp
26 # undef strncasecmp
27 #endif
28 #include "php_main.h"
29 #include "php_ini.h"
30 #include "php_variables.h"
31 #include "SAPI.h"
32
33 #include <fcntl.h>
34
35 #include "zend_smart_str.h"
36 #include "ext/standard/php_standard.h"
37
38 #include "apr_strings.h"
39 #include "ap_config.h"
40 #include "util_filter.h"
41 #include "httpd.h"
42 #include "http_config.h"
43 #include "http_request.h"
44 #include "http_core.h"
45 #include "http_protocol.h"
46 #include "http_log.h"
47 #include "http_main.h"
48 #include "util_script.h"
49 #include "http_core.h"
50 #include "ap_mpm.h"
51
52 #include "php_apache.h"
53
54 /* UnixWare define shutdown to _shutdown, which causes problems later
55 * on when using a structure member named shutdown. Since this source
56 * file does not use the system call shutdown, it is safe to #undef it.
57 */
58 #undef shutdown
59
60 #define PHP_MAGIC_TYPE "application/x-httpd-php"
61 #define PHP_SOURCE_MAGIC_TYPE "application/x-httpd-php-source"
62 #define PHP_SCRIPT "php-script"
63
64 /* A way to specify the location of the php.ini dir in an apache directive */
65 char *apache2_php_ini_path_override = NULL;
66 #if defined(PHP_WIN32) && defined(ZTS)
ZEND_TSRMLS_CACHE_DEFINE()67 ZEND_TSRMLS_CACHE_DEFINE()
68 #endif
69
70 static size_t
71 php_apache_sapi_ub_write(const char *str, size_t str_length)
72 {
73 request_rec *r;
74 php_struct *ctx;
75
76 ctx = SG(server_context);
77 r = ctx->r;
78
79 if (ap_rwrite(str, str_length, r) < 0) {
80 php_handle_aborted_connection();
81 }
82
83 return str_length; /* we always consume all the data passed to us. */
84 }
85
86 static int
php_apache_sapi_header_handler(sapi_header_struct * sapi_header,sapi_header_op_enum op,sapi_headers_struct * sapi_headers)87 php_apache_sapi_header_handler(sapi_header_struct *sapi_header, sapi_header_op_enum op, sapi_headers_struct *sapi_headers)
88 {
89 php_struct *ctx;
90 char *val, *ptr;
91
92 ctx = SG(server_context);
93
94 switch (op) {
95 case SAPI_HEADER_DELETE:
96 apr_table_unset(ctx->r->headers_out, sapi_header->header);
97 return 0;
98
99 case SAPI_HEADER_DELETE_ALL:
100 apr_table_clear(ctx->r->headers_out);
101 return 0;
102
103 case SAPI_HEADER_ADD:
104 case SAPI_HEADER_REPLACE:
105 val = strchr(sapi_header->header, ':');
106
107 if (!val) {
108 return 0;
109 }
110 ptr = val;
111
112 *val = '\0';
113
114 do {
115 val++;
116 } while (*val == ' ');
117
118 if (!strcasecmp(sapi_header->header, "content-type")) {
119 if (ctx->content_type) {
120 efree(ctx->content_type);
121 }
122 ctx->content_type = estrdup(val);
123 } else if (!strcasecmp(sapi_header->header, "content-length")) {
124 apr_off_t clen = 0;
125
126 if (APR_SUCCESS != apr_strtoff(&clen, val, (char **) NULL, 10)) {
127 /* We'll fall back to strtol, since that's what we used to
128 * do anyway. */
129 clen = (apr_off_t) strtol(val, (char **) NULL, 10);
130 }
131
132 ap_set_content_length(ctx->r, clen);
133 } else if (op == SAPI_HEADER_REPLACE) {
134 apr_table_set(ctx->r->headers_out, sapi_header->header, val);
135 } else {
136 apr_table_add(ctx->r->headers_out, sapi_header->header, val);
137 }
138
139 *ptr = ':';
140
141 return SAPI_HEADER_ADD;
142
143 default:
144 return 0;
145 }
146 }
147
148 static int
php_apache_sapi_send_headers(sapi_headers_struct * sapi_headers)149 php_apache_sapi_send_headers(sapi_headers_struct *sapi_headers)
150 {
151 php_struct *ctx = SG(server_context);
152 const char *sline = SG(sapi_headers).http_status_line;
153
154 ctx->r->status = SG(sapi_headers).http_response_code;
155
156 /* httpd requires that r->status_line is set to the first digit of
157 * the status-code: */
158 if (sline && strlen(sline) > 12 && strncmp(sline, "HTTP/1.", 7) == 0 && sline[8] == ' ') {
159 ctx->r->status_line = apr_pstrdup(ctx->r->pool, sline + 9);
160 ctx->r->proto_num = 1000 + (sline[7]-'0');
161 if ((sline[7]-'0') == 0) {
162 apr_table_set(ctx->r->subprocess_env, "force-response-1.0", "true");
163 }
164 }
165
166 /* call ap_set_content_type only once, else each time we call it,
167 configured output filters for that content type will be added */
168 if (!ctx->content_type) {
169 ctx->content_type = sapi_get_default_content_type();
170 }
171 ap_set_content_type(ctx->r, apr_pstrdup(ctx->r->pool, ctx->content_type));
172 efree(ctx->content_type);
173 ctx->content_type = NULL;
174
175 return SAPI_HEADER_SENT_SUCCESSFULLY;
176 }
177
178 static apr_size_t
php_apache_sapi_read_post(char * buf,size_t count_bytes)179 php_apache_sapi_read_post(char *buf, size_t count_bytes)
180 {
181 apr_size_t len, tlen=0;
182 php_struct *ctx = SG(server_context);
183 request_rec *r;
184 apr_bucket_brigade *brigade;
185 apr_status_t status;
186
187 r = ctx->r;
188 brigade = ctx->brigade;
189 len = count_bytes;
190
191 /*
192 * This loop is needed because ap_get_brigade() can return us partial data
193 * which would cause premature termination of request read. Therefore we
194 * need to make sure that if data is available we fill the buffer completely.
195 */
196
197 while ((status = ap_get_brigade(r->input_filters, brigade, AP_MODE_READBYTES, APR_BLOCK_READ, len)) == APR_SUCCESS) {
198 apr_brigade_flatten(brigade, buf, &len);
199 apr_brigade_cleanup(brigade);
200 tlen += len;
201 if (tlen == count_bytes || !len) {
202 break;
203 }
204 buf += len;
205 len = count_bytes - tlen;
206 }
207
208 if (status != APR_SUCCESS) {
209 return 0;
210 }
211
212 return tlen;
213 }
214
215 static zend_stat_t*
php_apache_sapi_get_stat(void)216 php_apache_sapi_get_stat(void)
217 {
218 php_struct *ctx = SG(server_context);
219
220 #ifdef PHP_WIN32
221 ctx->finfo.st_uid = 0;
222 ctx->finfo.st_gid = 0;
223 #else
224 ctx->finfo.st_uid = ctx->r->finfo.user;
225 ctx->finfo.st_gid = ctx->r->finfo.group;
226 #endif
227 ctx->finfo.st_dev = ctx->r->finfo.device;
228 ctx->finfo.st_ino = ctx->r->finfo.inode;
229 ctx->finfo.st_atime = apr_time_sec(ctx->r->finfo.atime);
230 ctx->finfo.st_mtime = apr_time_sec(ctx->r->finfo.mtime);
231 ctx->finfo.st_ctime = apr_time_sec(ctx->r->finfo.ctime);
232 ctx->finfo.st_size = ctx->r->finfo.size;
233 ctx->finfo.st_nlink = ctx->r->finfo.nlink;
234
235 return &ctx->finfo;
236 }
237
238 static char *
php_apache_sapi_read_cookies(void)239 php_apache_sapi_read_cookies(void)
240 {
241 php_struct *ctx = SG(server_context);
242 const char *http_cookie;
243
244 http_cookie = apr_table_get(ctx->r->headers_in, "cookie");
245
246 /* The SAPI interface should use 'const char *' */
247 return (char *) http_cookie;
248 }
249
250 static char *
php_apache_sapi_getenv(const char * name,size_t name_len)251 php_apache_sapi_getenv(const char *name, size_t name_len)
252 {
253 php_struct *ctx = SG(server_context);
254 const char *env_var;
255
256 if (ctx == NULL) {
257 return NULL;
258 }
259
260 env_var = apr_table_get(ctx->r->subprocess_env, name);
261
262 return (char *) env_var;
263 }
264
265 static void
php_apache_sapi_register_variables(zval * track_vars_array)266 php_apache_sapi_register_variables(zval *track_vars_array)
267 {
268 php_struct *ctx = SG(server_context);
269 const apr_array_header_t *arr = apr_table_elts(ctx->r->subprocess_env);
270 char *key, *val;
271 size_t new_val_len;
272
273 APR_ARRAY_FOREACH_OPEN(arr, key, val)
274 if (!val) {
275 val = "";
276 }
277 if (sapi_module.input_filter(PARSE_SERVER, key, &val, strlen(val), &new_val_len)) {
278 php_register_variable_safe(key, val, new_val_len, track_vars_array);
279 }
280 APR_ARRAY_FOREACH_CLOSE()
281
282 if (sapi_module.input_filter(PARSE_SERVER, "PHP_SELF", &ctx->r->uri, strlen(ctx->r->uri), &new_val_len)) {
283 php_register_variable_safe("PHP_SELF", ctx->r->uri, new_val_len, track_vars_array);
284 }
285 }
286
287 static void
php_apache_sapi_flush(void * server_context)288 php_apache_sapi_flush(void *server_context)
289 {
290 php_struct *ctx;
291 request_rec *r;
292
293 ctx = server_context;
294
295 /* If we haven't registered a server_context yet,
296 * then don't bother flushing. */
297 if (!server_context) {
298 return;
299 }
300
301 r = ctx->r;
302
303 sapi_send_headers();
304
305 r->status = SG(sapi_headers).http_response_code;
306 SG(headers_sent) = 1;
307
308 if (ap_rflush(r) < 0 || r->connection->aborted) {
309 php_handle_aborted_connection();
310 }
311 }
312
php_apache_sapi_log_message(const char * msg,int syslog_type_int)313 static void php_apache_sapi_log_message(const char *msg, int syslog_type_int)
314 {
315 php_struct *ctx;
316 int aplog_type = APLOG_ERR;
317
318 ctx = SG(server_context);
319
320 switch (syslog_type_int) {
321 #if LOG_EMERG != LOG_CRIT
322 case LOG_EMERG:
323 aplog_type = APLOG_EMERG;
324 break;
325 #endif
326 #if LOG_ALERT != LOG_CRIT
327 case LOG_ALERT:
328 aplog_type = APLOG_ALERT;
329 break;
330 #endif
331 case LOG_CRIT:
332 aplog_type = APLOG_CRIT;
333 break;
334 case LOG_ERR:
335 aplog_type = APLOG_ERR;
336 break;
337 case LOG_WARNING:
338 aplog_type = APLOG_WARNING;
339 break;
340 case LOG_NOTICE:
341 aplog_type = APLOG_NOTICE;
342 break;
343 #if LOG_INFO != LOG_NOTICE
344 case LOG_INFO:
345 aplog_type = APLOG_INFO;
346 break;
347 #endif
348 #if LOG_NOTICE != LOG_DEBUG
349 case LOG_DEBUG:
350 aplog_type = APLOG_DEBUG;
351 break;
352 #endif
353 }
354
355 if (ctx == NULL) { /* we haven't initialized our ctx yet, oh well */
356 ap_log_error(APLOG_MARK, APLOG_ERR | APLOG_STARTUP, 0, NULL, "%s", msg);
357 } else {
358 ap_log_rerror(APLOG_MARK, aplog_type, 0, ctx->r, "%s", msg);
359 }
360 }
361
php_apache_sapi_log_message_ex(const char * msg,request_rec * r)362 static void php_apache_sapi_log_message_ex(const char *msg, request_rec *r)
363 {
364 if (r) {
365 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, msg, r->filename);
366 } else {
367 php_apache_sapi_log_message(msg, -1);
368 }
369 }
370
php_apache_sapi_get_request_time(void)371 static double php_apache_sapi_get_request_time(void)
372 {
373 php_struct *ctx = SG(server_context);
374 return ((double) ctx->r->request_time) / 1000000.0;
375 }
376
377 extern zend_module_entry php_apache_module;
378
php_apache2_startup(sapi_module_struct * sapi_module)379 static int php_apache2_startup(sapi_module_struct *sapi_module)
380 {
381 if (php_module_startup(sapi_module, &php_apache_module, 1)==FAILURE) {
382 return FAILURE;
383 }
384 return SUCCESS;
385 }
386
387 static sapi_module_struct apache2_sapi_module = {
388 "apache2handler",
389 "Apache 2.0 Handler",
390
391 php_apache2_startup, /* startup */
392 php_module_shutdown_wrapper, /* shutdown */
393
394 NULL, /* activate */
395 NULL, /* deactivate */
396
397 php_apache_sapi_ub_write, /* unbuffered write */
398 php_apache_sapi_flush, /* flush */
399 php_apache_sapi_get_stat, /* get uid */
400 php_apache_sapi_getenv, /* getenv */
401
402 php_error, /* error handler */
403
404 php_apache_sapi_header_handler, /* header handler */
405 php_apache_sapi_send_headers, /* send headers handler */
406 NULL, /* send header handler */
407
408 php_apache_sapi_read_post, /* read POST data */
409 php_apache_sapi_read_cookies, /* read Cookies */
410
411 php_apache_sapi_register_variables,
412 php_apache_sapi_log_message, /* Log message */
413 php_apache_sapi_get_request_time, /* Request Time */
414 NULL, /* Child Terminate */
415
416 STANDARD_SAPI_MODULE_PROPERTIES
417 };
418
php_apache_server_shutdown(void * tmp)419 static apr_status_t php_apache_server_shutdown(void *tmp)
420 {
421 apache2_sapi_module.shutdown(&apache2_sapi_module);
422 sapi_shutdown();
423 #ifdef ZTS
424 tsrm_shutdown();
425 #endif
426 return APR_SUCCESS;
427 }
428
php_apache_child_shutdown(void * tmp)429 static apr_status_t php_apache_child_shutdown(void *tmp)
430 {
431 apache2_sapi_module.shutdown(&apache2_sapi_module);
432 #if defined(ZTS) && !defined(PHP_WIN32)
433 tsrm_shutdown();
434 #endif
435 return APR_SUCCESS;
436 }
437
php_apache_add_version(apr_pool_t * p)438 static void php_apache_add_version(apr_pool_t *p)
439 {
440 if (PG(expose_php)) {
441 ap_add_version_component(p, "PHP/" PHP_VERSION);
442 }
443 }
444
php_pre_config(apr_pool_t * pconf,apr_pool_t * plog,apr_pool_t * ptemp)445 static int php_pre_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp)
446 {
447 #ifndef ZTS
448 int threaded_mpm;
449
450 ap_mpm_query(AP_MPMQ_IS_THREADED, &threaded_mpm);
451 if(threaded_mpm) {
452 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.");
453 return DONE;
454 }
455 #endif
456 /* When this is NULL, apache won't override the hard-coded default
457 * php.ini path setting. */
458 apache2_php_ini_path_override = NULL;
459 return OK;
460 }
461
462 static int
php_apache_server_startup(apr_pool_t * pconf,apr_pool_t * plog,apr_pool_t * ptemp,server_rec * s)463 php_apache_server_startup(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *s)
464 {
465 void *data = NULL;
466 const char *userdata_key = "apache2hook_post_config";
467
468 /* Apache will load, unload and then reload a DSO module. This
469 * prevents us from starting PHP until the second load. */
470 apr_pool_userdata_get(&data, userdata_key, s->process->pool);
471 if (data == NULL) {
472 /* We must use set() here and *not* setn(), otherwise the
473 * static string pointed to by userdata_key will be mapped
474 * to a different location when the DSO is reloaded and the
475 * pointers won't match, causing get() to return NULL when
476 * we expected it to return non-NULL. */
477 apr_pool_userdata_set((const void *)1, userdata_key, apr_pool_cleanup_null, s->process->pool);
478 return OK;
479 }
480
481 /* Set up our overridden path. */
482 if (apache2_php_ini_path_override) {
483 apache2_sapi_module.php_ini_path_override = apache2_php_ini_path_override;
484 }
485 #ifdef ZTS
486 php_tsrm_startup();
487 # ifdef PHP_WIN32
488 ZEND_TSRMLS_CACHE_UPDATE();
489 # endif
490 #endif
491
492 zend_signal_startup();
493
494 sapi_startup(&apache2_sapi_module);
495 if (apache2_sapi_module.startup(&apache2_sapi_module) != SUCCESS) {
496 return DONE;
497 }
498 apr_pool_cleanup_register(pconf, NULL, php_apache_server_shutdown, apr_pool_cleanup_null);
499 php_apache_add_version(pconf);
500
501 return OK;
502 }
503
php_server_context_cleanup(void * data_)504 static apr_status_t php_server_context_cleanup(void *data_)
505 {
506 void **data = data_;
507 *data = NULL;
508 return APR_SUCCESS;
509 }
510
php_apache_request_ctor(request_rec * r,php_struct * ctx)511 static int php_apache_request_ctor(request_rec *r, php_struct *ctx)
512 {
513 char *content_length;
514 const char *auth;
515
516 SG(sapi_headers).http_response_code = !r->status ? HTTP_OK : r->status;
517 SG(request_info).content_type = apr_table_get(r->headers_in, "Content-Type");
518 SG(request_info).query_string = apr_pstrdup(r->pool, r->args);
519 SG(request_info).request_method = r->method;
520 SG(request_info).proto_num = r->proto_num;
521 SG(request_info).request_uri = apr_pstrdup(r->pool, r->uri);
522 SG(request_info).path_translated = apr_pstrdup(r->pool, r->filename);
523 r->no_local_copy = 1;
524
525 content_length = (char *) apr_table_get(r->headers_in, "Content-Length");
526 if (content_length) {
527 SG(request_info).content_length = ZEND_ATOL(content_length);
528 } else {
529 SG(request_info).content_length = 0;
530 }
531
532 apr_table_unset(r->headers_out, "Content-Length");
533 apr_table_unset(r->headers_out, "Last-Modified");
534 apr_table_unset(r->headers_out, "Expires");
535 apr_table_unset(r->headers_out, "ETag");
536
537 auth = apr_table_get(r->headers_in, "Authorization");
538 php_handle_auth_data(auth);
539
540 if (SG(request_info).auth_user == NULL && r->user) {
541 SG(request_info).auth_user = estrdup(r->user);
542 }
543
544 ctx->r->user = apr_pstrdup(ctx->r->pool, SG(request_info).auth_user);
545
546 return php_request_startup();
547 }
548
php_apache_request_dtor(request_rec * r)549 static void php_apache_request_dtor(request_rec *r)
550 {
551 php_request_shutdown(NULL);
552 }
553
php_apache_ini_dtor(request_rec * r,request_rec * p)554 static void php_apache_ini_dtor(request_rec *r, request_rec *p)
555 {
556 if (strcmp(r->protocol, "INCLUDED")) {
557 zend_try { zend_ini_deactivate(); } zend_end_try();
558 } else {
559 typedef struct {
560 HashTable config;
561 } php_conf_rec;
562 zend_string *str;
563 php_conf_rec *c = ap_get_module_config(r->per_dir_config, &php_module);
564
565 ZEND_HASH_FOREACH_STR_KEY(&c->config, str) {
566 zend_restore_ini_entry(str, ZEND_INI_STAGE_SHUTDOWN);
567 } ZEND_HASH_FOREACH_END();
568 }
569 if (p) {
570 ((php_struct *)SG(server_context))->r = p;
571 } else {
572 apr_pool_cleanup_run(r->pool, (void *)&SG(server_context), php_server_context_cleanup);
573 }
574 }
575
php_handler(request_rec * r)576 static int php_handler(request_rec *r)
577 {
578 php_struct * volatile ctx;
579 void *conf;
580 apr_bucket_brigade * volatile brigade;
581 apr_bucket *bucket;
582 apr_status_t rv;
583 request_rec * volatile parent_req = NULL;
584 #ifdef ZTS
585 /* initial resource fetch */
586 (void)ts_resource(0);
587 # ifdef PHP_WIN32
588 ZEND_TSRMLS_CACHE_UPDATE();
589 # endif
590 #endif
591
592 #define PHPAP_INI_OFF php_apache_ini_dtor(r, parent_req);
593
594 conf = ap_get_module_config(r->per_dir_config, &php_module);
595
596 /* apply_config() needs r in some cases, so allocate server_context early */
597 ctx = SG(server_context);
598 if (ctx == NULL || (ctx && ctx->request_processed && !strcmp(r->protocol, "INCLUDED"))) {
599 normal:
600 ctx = SG(server_context) = apr_pcalloc(r->pool, sizeof(*ctx));
601 /* register a cleanup so we clear out the SG(server_context)
602 * after each request. Note: We pass in the pointer to the
603 * server_context in case this is handled by a different thread.
604 */
605 apr_pool_cleanup_register(r->pool, (void *)&SG(server_context), php_server_context_cleanup, apr_pool_cleanup_null);
606 ctx->r = r;
607 ctx = NULL; /* May look weird to null it here, but it is to catch the right case in the first_try later on */
608 } else {
609 parent_req = ctx->r;
610 ctx->r = r;
611 }
612 apply_config(conf);
613
614 if (strcmp(r->handler, PHP_MAGIC_TYPE) && strcmp(r->handler, PHP_SOURCE_MAGIC_TYPE) && strcmp(r->handler, PHP_SCRIPT)) {
615 /* Check for xbithack in this case. */
616 if (!AP2(xbithack) || strcmp(r->handler, "text/html") || !(r->finfo.protection & APR_UEXECUTE)) {
617 PHPAP_INI_OFF;
618 return DECLINED;
619 }
620 }
621
622 /* Give a 404 if PATH_INFO is used but is explicitly disabled in
623 * the configuration; default behaviour is to accept. */
624 if (r->used_path_info == AP_REQ_REJECT_PATH_INFO
625 && r->path_info && r->path_info[0]) {
626 PHPAP_INI_OFF;
627 return HTTP_NOT_FOUND;
628 }
629
630 /* handle situations where user turns the engine off */
631 if (!AP2(engine)) {
632 PHPAP_INI_OFF;
633 return DECLINED;
634 }
635
636 if (r->finfo.filetype == 0) {
637 php_apache_sapi_log_message_ex("script '%s' not found or unable to stat", r);
638 PHPAP_INI_OFF;
639 return HTTP_NOT_FOUND;
640 }
641 if (r->finfo.filetype == APR_DIR) {
642 php_apache_sapi_log_message_ex("attempt to invoke directory '%s' as script", r);
643 PHPAP_INI_OFF;
644 return HTTP_FORBIDDEN;
645 }
646
647 /* Setup the CGI variables if this is the main request */
648 if (r->main == NULL ||
649 /* .. or if the sub-request environment differs from the main-request. */
650 r->subprocess_env != r->main->subprocess_env
651 ) {
652 /* setup standard CGI variables */
653 ap_add_common_vars(r);
654 ap_add_cgi_vars(r);
655 }
656
657 zend_first_try {
658
659 if (ctx == NULL) {
660 brigade = apr_brigade_create(r->pool, r->connection->bucket_alloc);
661 ctx = SG(server_context);
662 ctx->brigade = brigade;
663
664 if (php_apache_request_ctor(r, ctx)!=SUCCESS) {
665 zend_bailout();
666 }
667 } else {
668 if (!parent_req) {
669 parent_req = ctx->r;
670 }
671 if (parent_req && parent_req->handler &&
672 strcmp(parent_req->handler, PHP_MAGIC_TYPE) &&
673 strcmp(parent_req->handler, PHP_SOURCE_MAGIC_TYPE) &&
674 strcmp(parent_req->handler, PHP_SCRIPT)) {
675 if (php_apache_request_ctor(r, ctx)!=SUCCESS) {
676 zend_bailout();
677 }
678 }
679
680 /*
681 * check if coming due to ErrorDocument
682 * We make a special exception of 413 (Invalid POST request) as the invalidity of the request occurs
683 * during processing of the request by PHP during POST processing. Therefore we need to re-use the exiting
684 * PHP instance to handle the request rather then creating a new one.
685 */
686 if (parent_req && parent_req->status != HTTP_OK && parent_req->status != 413 && strcmp(r->protocol, "INCLUDED")) {
687 parent_req = NULL;
688 goto normal;
689 }
690 ctx->r = r;
691 brigade = ctx->brigade;
692 }
693
694 if (AP2(last_modified)) {
695 ap_update_mtime(r, r->finfo.mtime);
696 ap_set_last_modified(r);
697 }
698
699 /* Determine if we need to parse the file or show the source */
700 if (strncmp(r->handler, PHP_SOURCE_MAGIC_TYPE, sizeof(PHP_SOURCE_MAGIC_TYPE) - 1) == 0) {
701 zend_syntax_highlighter_ini syntax_highlighter_ini;
702 php_get_highlight_struct(&syntax_highlighter_ini);
703 highlight_file((char *)r->filename, &syntax_highlighter_ini);
704 } else {
705 zend_file_handle zfd;
706 zend_stream_init_filename(&zfd, (char *) r->filename);
707 zfd.primary_script = 1;
708
709 if (!parent_req) {
710 php_execute_script(&zfd);
711 } else {
712 zend_execute_scripts(ZEND_INCLUDE, NULL, 1, &zfd);
713 }
714 zend_destroy_file_handle(&zfd);
715
716 apr_table_set(r->notes, "mod_php_memory_usage",
717 apr_psprintf(ctx->r->pool, "%" APR_SIZE_T_FMT, zend_memory_peak_usage(1)));
718 }
719
720 } zend_end_try();
721
722 if (!parent_req) {
723 php_apache_request_dtor(r);
724 ctx->request_processed = 1;
725 apr_brigade_cleanup(brigade);
726 bucket = apr_bucket_eos_create(r->connection->bucket_alloc);
727 APR_BRIGADE_INSERT_TAIL(brigade, bucket);
728
729 rv = ap_pass_brigade(r->output_filters, brigade);
730 if (rv != APR_SUCCESS || r->connection->aborted) {
731 zend_first_try {
732 php_handle_aborted_connection();
733 } zend_end_try();
734 }
735 apr_brigade_cleanup(brigade);
736 apr_pool_cleanup_run(r->pool, (void *)&SG(server_context), php_server_context_cleanup);
737 } else {
738 ctx->r = parent_req;
739 }
740
741 return OK;
742 }
743
php_apache_child_init(apr_pool_t * pchild,server_rec * s)744 static void php_apache_child_init(apr_pool_t *pchild, server_rec *s)
745 {
746 apr_pool_cleanup_register(pchild, NULL, php_apache_child_shutdown, apr_pool_cleanup_null);
747 }
748
749 #ifdef ZEND_SIGNALS
php_apache_signal_init(apr_pool_t * pchild,server_rec * s)750 static void php_apache_signal_init(apr_pool_t *pchild, server_rec *s)
751 {
752 zend_signal_init();
753 }
754 #endif
755
php_ap2_register_hook(apr_pool_t * p)756 void php_ap2_register_hook(apr_pool_t *p)
757 {
758 ap_hook_pre_config(php_pre_config, NULL, NULL, APR_HOOK_MIDDLE);
759 ap_hook_post_config(php_apache_server_startup, NULL, NULL, APR_HOOK_MIDDLE);
760 ap_hook_handler(php_handler, NULL, NULL, APR_HOOK_MIDDLE);
761 #ifdef ZEND_SIGNALS
762 ap_hook_child_init(php_apache_signal_init, NULL, NULL, APR_HOOK_MIDDLE);
763 #endif
764 ap_hook_child_init(php_apache_child_init, NULL, NULL, APR_HOOK_MIDDLE);
765 }
766