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(double * request_time)371 static zend_result php_apache_sapi_get_request_time(double *request_time)
372 {
373 php_struct *ctx = SG(server_context);
374 if (!ctx) {
375 return FAILURE;
376 }
377
378 *request_time = ((double) ctx->r->request_time) / 1000000.0;
379 return SUCCESS;
380 }
381
382 extern zend_module_entry php_apache_module;
383
php_apache2_startup(sapi_module_struct * sapi_module)384 static int php_apache2_startup(sapi_module_struct *sapi_module)
385 {
386 return php_module_startup(sapi_module, &php_apache_module);
387 }
388
389 static sapi_module_struct apache2_sapi_module = {
390 "apache2handler",
391 "Apache 2.0 Handler",
392
393 php_apache2_startup, /* startup */
394 php_module_shutdown_wrapper, /* shutdown */
395
396 NULL, /* activate */
397 NULL, /* deactivate */
398
399 php_apache_sapi_ub_write, /* unbuffered write */
400 php_apache_sapi_flush, /* flush */
401 php_apache_sapi_get_stat, /* get uid */
402 php_apache_sapi_getenv, /* getenv */
403
404 php_error, /* error handler */
405
406 php_apache_sapi_header_handler, /* header handler */
407 php_apache_sapi_send_headers, /* send headers handler */
408 NULL, /* send header handler */
409
410 php_apache_sapi_read_post, /* read POST data */
411 php_apache_sapi_read_cookies, /* read Cookies */
412
413 php_apache_sapi_register_variables,
414 php_apache_sapi_log_message, /* Log message */
415 php_apache_sapi_get_request_time, /* Request Time */
416 NULL, /* Child Terminate */
417
418 STANDARD_SAPI_MODULE_PROPERTIES
419 };
420
php_apache_server_shutdown(void * tmp)421 static apr_status_t php_apache_server_shutdown(void *tmp)
422 {
423 apache2_sapi_module.shutdown(&apache2_sapi_module);
424 sapi_shutdown();
425 #ifdef ZTS
426 tsrm_shutdown();
427 #endif
428 return APR_SUCCESS;
429 }
430
php_apache_child_shutdown(void * tmp)431 static apr_status_t php_apache_child_shutdown(void *tmp)
432 {
433 apache2_sapi_module.shutdown(&apache2_sapi_module);
434 #if defined(ZTS) && !defined(PHP_WIN32)
435 tsrm_shutdown();
436 #endif
437 return APR_SUCCESS;
438 }
439
php_apache_add_version(apr_pool_t * p)440 static void php_apache_add_version(apr_pool_t *p)
441 {
442 if (PG(expose_php)) {
443 ap_add_version_component(p, "PHP/" PHP_VERSION);
444 }
445 }
446
php_pre_config(apr_pool_t * pconf,apr_pool_t * plog,apr_pool_t * ptemp)447 static int php_pre_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp)
448 {
449 #ifndef ZTS
450 int threaded_mpm;
451
452 ap_mpm_query(AP_MPMQ_IS_THREADED, &threaded_mpm);
453 if(threaded_mpm) {
454 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.");
455 return DONE;
456 }
457 #endif
458 /* When this is NULL, apache won't override the hard-coded default
459 * php.ini path setting. */
460 apache2_php_ini_path_override = NULL;
461 return OK;
462 }
463
464 static int
php_apache_server_startup(apr_pool_t * pconf,apr_pool_t * plog,apr_pool_t * ptemp,server_rec * s)465 php_apache_server_startup(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp, server_rec *s)
466 {
467 void *data = NULL;
468 const char *userdata_key = "apache2hook_post_config";
469
470 /* Apache will load, unload and then reload a DSO module. This
471 * prevents us from starting PHP until the second load. */
472 apr_pool_userdata_get(&data, userdata_key, s->process->pool);
473 if (data == NULL) {
474 /* We must use set() here and *not* setn(), otherwise the
475 * static string pointed to by userdata_key will be mapped
476 * to a different location when the DSO is reloaded and the
477 * pointers won't match, causing get() to return NULL when
478 * we expected it to return non-NULL. */
479 apr_pool_userdata_set((const void *)1, userdata_key, apr_pool_cleanup_null, s->process->pool);
480 return OK;
481 }
482
483 /* Set up our overridden path. */
484 if (apache2_php_ini_path_override) {
485 apache2_sapi_module.php_ini_path_override = apache2_php_ini_path_override;
486 }
487 #ifdef ZTS
488 php_tsrm_startup();
489 # ifdef PHP_WIN32
490 ZEND_TSRMLS_CACHE_UPDATE();
491 # endif
492 #endif
493
494 zend_signal_startup();
495
496 sapi_startup(&apache2_sapi_module);
497 if (apache2_sapi_module.startup(&apache2_sapi_module) != SUCCESS) {
498 return DONE;
499 }
500 apr_pool_cleanup_register(pconf, NULL, php_apache_server_shutdown, apr_pool_cleanup_null);
501 php_apache_add_version(pconf);
502
503 return OK;
504 }
505
php_server_context_cleanup(void * data_)506 static apr_status_t php_server_context_cleanup(void *data_)
507 {
508 void **data = data_;
509 *data = NULL;
510 return APR_SUCCESS;
511 }
512
php_apache_request_ctor(request_rec * r,php_struct * ctx)513 static int php_apache_request_ctor(request_rec *r, php_struct *ctx)
514 {
515 char *content_length;
516 const char *auth;
517
518 SG(sapi_headers).http_response_code = !r->status ? HTTP_OK : r->status;
519 SG(request_info).content_type = apr_table_get(r->headers_in, "Content-Type");
520 SG(request_info).query_string = apr_pstrdup(r->pool, r->args);
521 SG(request_info).request_method = r->method;
522 SG(request_info).proto_num = r->proto_num;
523 SG(request_info).request_uri = apr_pstrdup(r->pool, r->uri);
524 SG(request_info).path_translated = apr_pstrdup(r->pool, r->filename);
525 r->no_local_copy = 1;
526
527 content_length = (char *) apr_table_get(r->headers_in, "Content-Length");
528 if (content_length) {
529 SG(request_info).content_length = ZEND_ATOL(content_length);
530 } else {
531 SG(request_info).content_length = 0;
532 }
533
534 apr_table_unset(r->headers_out, "Content-Length");
535 apr_table_unset(r->headers_out, "Last-Modified");
536 apr_table_unset(r->headers_out, "Expires");
537 apr_table_unset(r->headers_out, "ETag");
538
539 auth = apr_table_get(r->headers_in, "Authorization");
540 php_handle_auth_data(auth);
541
542 if (SG(request_info).auth_user == NULL && r->user) {
543 SG(request_info).auth_user = estrdup(r->user);
544 }
545
546 ctx->r->user = apr_pstrdup(ctx->r->pool, SG(request_info).auth_user);
547
548 return php_request_startup();
549 }
550
php_apache_request_dtor(request_rec * r)551 static void php_apache_request_dtor(request_rec *r)
552 {
553 php_request_shutdown(NULL);
554 }
555
php_apache_ini_dtor(request_rec * r,request_rec * p)556 static void php_apache_ini_dtor(request_rec *r, request_rec *p)
557 {
558 if (strcmp(r->protocol, "INCLUDED")) {
559 zend_try { zend_ini_deactivate(); } zend_end_try();
560 } else {
561 typedef struct {
562 HashTable config;
563 } php_conf_rec;
564 zend_string *str;
565 php_conf_rec *c = ap_get_module_config(r->per_dir_config, &php_module);
566
567 ZEND_HASH_MAP_FOREACH_STR_KEY(&c->config, str) {
568 zend_restore_ini_entry(str, ZEND_INI_STAGE_SHUTDOWN);
569 } ZEND_HASH_FOREACH_END();
570 }
571 if (p) {
572 ((php_struct *)SG(server_context))->r = p;
573 } else {
574 apr_pool_cleanup_run(r->pool, (void *)&SG(server_context), php_server_context_cleanup);
575 }
576 }
577
php_handler(request_rec * r)578 static int php_handler(request_rec *r)
579 {
580 php_struct * volatile ctx;
581 void *conf;
582 apr_bucket_brigade * volatile brigade;
583 apr_bucket *bucket;
584 apr_status_t rv;
585 request_rec * volatile parent_req = NULL;
586 #ifdef ZTS
587 /* initial resource fetch */
588 (void)ts_resource(0);
589 # ifdef PHP_WIN32
590 ZEND_TSRMLS_CACHE_UPDATE();
591 # endif
592 #endif
593
594 #define PHPAP_INI_OFF php_apache_ini_dtor(r, parent_req);
595
596 conf = ap_get_module_config(r->per_dir_config, &php_module);
597
598 /* apply_config() needs r in some cases, so allocate server_context early */
599 ctx = SG(server_context);
600 if (ctx == NULL || (ctx && ctx->request_processed && !strcmp(r->protocol, "INCLUDED"))) {
601 normal:
602 ctx = SG(server_context) = apr_pcalloc(r->pool, sizeof(*ctx));
603 /* register a cleanup so we clear out the SG(server_context)
604 * after each request. Note: We pass in the pointer to the
605 * server_context in case this is handled by a different thread.
606 */
607 apr_pool_cleanup_register(r->pool, (void *)&SG(server_context), php_server_context_cleanup, apr_pool_cleanup_null);
608 ctx->r = r;
609 ctx = NULL; /* May look weird to null it here, but it is to catch the right case in the first_try later on */
610 } else {
611 parent_req = ctx->r;
612 ctx->r = r;
613 }
614 apply_config(conf);
615
616 if (strcmp(r->handler, PHP_MAGIC_TYPE) && strcmp(r->handler, PHP_SOURCE_MAGIC_TYPE) && strcmp(r->handler, PHP_SCRIPT)) {
617 /* Check for xbithack in this case. */
618 if (!AP2(xbithack) || strcmp(r->handler, "text/html") || !(r->finfo.protection & APR_UEXECUTE)) {
619 PHPAP_INI_OFF;
620 return DECLINED;
621 }
622 }
623
624 /* Give a 404 if PATH_INFO is used but is explicitly disabled in
625 * the configuration; default behaviour is to accept. */
626 if (r->used_path_info == AP_REQ_REJECT_PATH_INFO
627 && r->path_info && r->path_info[0]) {
628 PHPAP_INI_OFF;
629 return HTTP_NOT_FOUND;
630 }
631
632 /* handle situations where user turns the engine off */
633 if (!AP2(engine)) {
634 PHPAP_INI_OFF;
635 return DECLINED;
636 }
637
638 if (r->finfo.filetype == 0) {
639 php_apache_sapi_log_message_ex("script '%s' not found or unable to stat", r);
640 PHPAP_INI_OFF;
641 return HTTP_NOT_FOUND;
642 }
643 if (r->finfo.filetype == APR_DIR) {
644 php_apache_sapi_log_message_ex("attempt to invoke directory '%s' as script", r);
645 PHPAP_INI_OFF;
646 return HTTP_FORBIDDEN;
647 }
648
649 /* Setup the CGI variables if this is the main request */
650 if (r->main == NULL ||
651 /* .. or if the sub-request environment differs from the main-request. */
652 r->subprocess_env != r->main->subprocess_env
653 ) {
654 /* setup standard CGI variables */
655 ap_add_common_vars(r);
656 ap_add_cgi_vars(r);
657 }
658
659 zend_first_try {
660
661 if (ctx == NULL) {
662 brigade = apr_brigade_create(r->pool, r->connection->bucket_alloc);
663 ctx = SG(server_context);
664 ctx->brigade = brigade;
665
666 if (php_apache_request_ctor(r, ctx)!=SUCCESS) {
667 zend_bailout();
668 }
669 } else {
670 if (!parent_req) {
671 parent_req = ctx->r;
672 }
673 if (parent_req && parent_req->handler &&
674 strcmp(parent_req->handler, PHP_MAGIC_TYPE) &&
675 strcmp(parent_req->handler, PHP_SOURCE_MAGIC_TYPE) &&
676 strcmp(parent_req->handler, PHP_SCRIPT)) {
677 if (php_apache_request_ctor(r, ctx)!=SUCCESS) {
678 zend_bailout();
679 }
680 }
681
682 /*
683 * check if coming due to ErrorDocument
684 * We make a special exception of 413 (Invalid POST request) as the invalidity of the request occurs
685 * during processing of the request by PHP during POST processing. Therefore we need to re-use the exiting
686 * PHP instance to handle the request rather then creating a new one.
687 */
688 if (parent_req && parent_req->status != HTTP_OK && parent_req->status != 413 && strcmp(r->protocol, "INCLUDED")) {
689 parent_req = NULL;
690 goto normal;
691 }
692 ctx->r = r;
693 brigade = ctx->brigade;
694 }
695
696 if (AP2(last_modified)) {
697 ap_update_mtime(r, r->finfo.mtime);
698 ap_set_last_modified(r);
699 }
700
701 /* Determine if we need to parse the file or show the source */
702 if (strncmp(r->handler, PHP_SOURCE_MAGIC_TYPE, sizeof(PHP_SOURCE_MAGIC_TYPE) - 1) == 0) {
703 zend_syntax_highlighter_ini syntax_highlighter_ini;
704 php_get_highlight_struct(&syntax_highlighter_ini);
705 highlight_file((char *)r->filename, &syntax_highlighter_ini);
706 } else {
707 zend_file_handle zfd;
708 zend_stream_init_filename(&zfd, (char *) r->filename);
709 zfd.primary_script = 1;
710
711 if (!parent_req) {
712 php_execute_script(&zfd);
713 } else {
714 zend_execute_scripts(ZEND_INCLUDE, NULL, 1, &zfd);
715 }
716 zend_destroy_file_handle(&zfd);
717
718 apr_table_set(r->notes, "mod_php_memory_usage",
719 apr_psprintf(ctx->r->pool, "%" APR_SIZE_T_FMT, zend_memory_peak_usage(1)));
720 }
721
722 } zend_end_try();
723
724 if (!parent_req) {
725 php_apache_request_dtor(r);
726 ctx->request_processed = 1;
727 apr_brigade_cleanup(brigade);
728 bucket = apr_bucket_eos_create(r->connection->bucket_alloc);
729 APR_BRIGADE_INSERT_TAIL(brigade, bucket);
730
731 rv = ap_pass_brigade(r->output_filters, brigade);
732 if (rv != APR_SUCCESS || r->connection->aborted) {
733 zend_first_try {
734 php_handle_aborted_connection();
735 } zend_end_try();
736 }
737 apr_brigade_cleanup(brigade);
738 apr_pool_cleanup_run(r->pool, (void *)&SG(server_context), php_server_context_cleanup);
739 } else {
740 ctx->r = parent_req;
741 }
742
743 return OK;
744 }
745
php_apache_child_init(apr_pool_t * pchild,server_rec * s)746 static void php_apache_child_init(apr_pool_t *pchild, server_rec *s)
747 {
748 apr_pool_cleanup_register(pchild, NULL, php_apache_child_shutdown, apr_pool_cleanup_null);
749 }
750
751 #ifdef ZEND_SIGNALS
php_apache_signal_init(apr_pool_t * pchild,server_rec * s)752 static void php_apache_signal_init(apr_pool_t *pchild, server_rec *s)
753 {
754 zend_signal_init();
755 }
756 #endif
757
php_ap2_register_hook(apr_pool_t * p)758 void php_ap2_register_hook(apr_pool_t *p)
759 {
760 ap_hook_pre_config(php_pre_config, NULL, NULL, APR_HOOK_MIDDLE);
761 ap_hook_post_config(php_apache_server_startup, NULL, NULL, APR_HOOK_MIDDLE);
762 ap_hook_handler(php_handler, NULL, NULL, APR_HOOK_MIDDLE);
763 #ifdef ZEND_SIGNALS
764 ap_hook_child_init(php_apache_signal_init, NULL, NULL, APR_HOOK_MIDDLE);
765 #endif
766 ap_hook_child_init(php_apache_child_init, NULL, NULL, APR_HOOK_MIDDLE);
767 }
768
