xref: /PHP-5.4/sapi/fpm/fpm/fpm_main.c (revision ee275e34)
1 /*
2    +----------------------------------------------------------------------+
3    | PHP Version 5                                                        |
4    +----------------------------------------------------------------------+
5    | Copyright (c) 1997-2014 The PHP Group                                |
6    +----------------------------------------------------------------------+
7    | This source file is subject to version 3.01 of the PHP license,      |
8    | that is bundled with this package in the file LICENSE, and is        |
9    | available through the world-wide-web at the following url:           |
10    | http://www.php.net/license/3_01.txt                                  |
11    | If you did not receive a copy of the PHP license and are unable to   |
12    | obtain it through the world-wide-web, please send a note to          |
13    | license@php.net so we can mail you a copy immediately.               |
14    +----------------------------------------------------------------------+
15    | Authors: Rasmus Lerdorf <rasmus@lerdorf.on.ca>                       |
16    |          Stig Bakken <ssb@php.net>                                   |
17    |          Zeev Suraski <zeev@zend.com>                                |
18    | FastCGI: Ben Mansell <php@slimyhorror.com>                           |
19    |          Shane Caraveo <shane@caraveo.com>                           |
20    |          Dmitry Stogov <dmitry@zend.com>                             |
21    +----------------------------------------------------------------------+
22 */
23 
24 /* $Id: cgi_main.c 291497 2009-11-30 14:43:22Z dmitry $ */
25 
26 #include "php.h"
27 #include "php_globals.h"
28 #include "php_variables.h"
29 #include "zend_modules.h"
30 #include "php.h"
31 #include "zend_ini_scanner.h"
32 #include "zend_globals.h"
33 #include "zend_stream.h"
34 
35 #include "SAPI.h"
36 
37 #include <stdio.h>
38 #include "php.h"
39 
40 #ifdef PHP_WIN32
41 # include "win32/time.h"
42 # include "win32/signal.h"
43 # include <process.h>
44 #endif
45 
46 #if HAVE_SYS_TIME_H
47 # include <sys/time.h>
48 #endif
49 
50 #if HAVE_UNISTD_H
51 # include <unistd.h>
52 #endif
53 
54 #if HAVE_SIGNAL_H
55 # include <signal.h>
56 #endif
57 
58 #if HAVE_SETLOCALE
59 # include <locale.h>
60 #endif
61 
62 #if HAVE_SYS_TYPES_H
63 # include <sys/types.h>
64 #endif
65 
66 #if HAVE_SYS_WAIT_H
67 # include <sys/wait.h>
68 #endif
69 
70 #if HAVE_FCNTL_H
71 # include <fcntl.h>
72 #endif
73 
74 #include "zend.h"
75 #include "zend_extensions.h"
76 #include "php_ini.h"
77 #include "php_globals.h"
78 #include "php_main.h"
79 #include "fopen_wrappers.h"
80 #include "ext/standard/php_standard.h"
81 
82 #ifdef PHP_WIN32
83 # include <io.h>
84 # include <fcntl.h>
85 # include "win32/php_registry.h"
86 #endif
87 
88 #ifdef __riscos__
89 # include <unixlib/local.h>
90 int __riscosify_control = __RISCOSIFY_STRICT_UNIX_SPECS;
91 #endif
92 
93 #include "zend_compile.h"
94 #include "zend_execute.h"
95 #include "zend_highlight.h"
96 #include "zend_indent.h"
97 
98 #include "php_getopt.h"
99 
100 #include "fastcgi.h"
101 
102 #include <php_config.h>
103 #include "fpm.h"
104 #include "fpm_request.h"
105 #include "fpm_status.h"
106 #include "fpm_conf.h"
107 #include "fpm_php.h"
108 #include "fpm_log.h"
109 #include "zlog.h"
110 
111 #ifndef PHP_WIN32
112 /* XXX this will need to change later when threaded fastcgi is implemented.  shane */
113 struct sigaction act, old_term, old_quit, old_int;
114 #endif
115 
116 static void (*php_php_import_environment_variables)(zval *array_ptr TSRMLS_DC);
117 
118 #ifndef PHP_WIN32
119 /* these globals used for forking children on unix systems */
120 
121 /**
122  * Set to non-zero if we are the parent process
123  */
124 static int parent = 1;
125 #endif
126 
127 static int request_body_fd;
128 static int fpm_is_running = 0;
129 
130 static char *sapi_cgibin_getenv(char *name, size_t name_len TSRMLS_DC);
131 static void fastcgi_ini_parser(zval *arg1, zval *arg2, zval *arg3, int callback_type, void *arg TSRMLS_DC);
132 
133 #define PHP_MODE_STANDARD	1
134 #define PHP_MODE_HIGHLIGHT	2
135 #define PHP_MODE_INDENT		3
136 #define PHP_MODE_LINT		4
137 #define PHP_MODE_STRIP		5
138 
139 static char *php_optarg = NULL;
140 static int php_optind = 1;
141 static zend_module_entry cgi_module_entry;
142 
143 static const opt_struct OPTIONS[] = {
144 	{'c', 1, "php-ini"},
145 	{'d', 1, "define"},
146 	{'e', 0, "profile-info"},
147 	{'h', 0, "help"},
148 	{'i', 0, "info"},
149 	{'m', 0, "modules"},
150 	{'n', 0, "no-php-ini"},
151 	{'?', 0, "usage"},/* help alias (both '?' and 'usage') */
152 	{'v', 0, "version"},
153 	{'y', 1, "fpm-config"},
154 	{'t', 0, "test"},
155 	{'p', 1, "prefix"},
156 	{'g', 1, "pid"},
157 	{'R', 0, "allow-to-run-as-root"},
158 	{'D', 0, "daemonize"},
159 	{'F', 0, "nodaemonize"},
160 	{'-', 0, NULL} /* end of args */
161 };
162 
163 typedef struct _php_cgi_globals_struct {
164 	zend_bool rfc2616_headers;
165 	zend_bool nph;
166 	zend_bool fix_pathinfo;
167 	zend_bool force_redirect;
168 	zend_bool discard_path;
169 	zend_bool fcgi_logging;
170 	char *redirect_status_env;
171 	HashTable user_config_cache;
172 	char *error_header;
173 	char *fpm_config;
174 } php_cgi_globals_struct;
175 
176 /* {{{ user_config_cache
177  *
178  * Key for each cache entry is dirname(PATH_TRANSLATED).
179  *
180  * NOTE: Each cache entry config_hash contains the combination from all user ini files found in
181  *       the path starting from doc_root throught to dirname(PATH_TRANSLATED).  There is no point
182  *       storing per-file entries as it would not be possible to detect added / deleted entries
183  *       between separate files.
184  */
185 typedef struct _user_config_cache_entry {
186 	time_t expires;
187 	HashTable *user_config;
188 } user_config_cache_entry;
189 
user_config_cache_entry_dtor(user_config_cache_entry * entry)190 static void user_config_cache_entry_dtor(user_config_cache_entry *entry)
191 {
192 	zend_hash_destroy(entry->user_config);
193 	free(entry->user_config);
194 }
195 /* }}} */
196 
197 #ifdef ZTS
198 static int php_cgi_globals_id;
199 #define CGIG(v) TSRMG(php_cgi_globals_id, php_cgi_globals_struct *, v)
200 #else
201 static php_cgi_globals_struct php_cgi_globals;
202 #define CGIG(v) (php_cgi_globals.v)
203 #endif
204 
205 #ifdef PHP_WIN32
206 #define TRANSLATE_SLASHES(path) \
207 	{ \
208 		char *tmp = path; \
209 		while (*tmp) { \
210 			if (*tmp == '\\') *tmp = '/'; \
211 			tmp++; \
212 		} \
213 	}
214 #else
215 #define TRANSLATE_SLASHES(path)
216 #endif
217 
print_module_info(zend_module_entry * module,void * arg TSRMLS_DC)218 static int print_module_info(zend_module_entry *module, void *arg TSRMLS_DC)
219 {
220 	php_printf("%s\n", module->name);
221 	return 0;
222 }
223 
module_name_cmp(const void * a,const void * b TSRMLS_DC)224 static int module_name_cmp(const void *a, const void *b TSRMLS_DC)
225 {
226 	Bucket *f = *((Bucket **) a);
227 	Bucket *s = *((Bucket **) b);
228 
229 	return strcasecmp(	((zend_module_entry *)f->pData)->name,
230 						((zend_module_entry *)s->pData)->name);
231 }
232 
print_modules(TSRMLS_D)233 static void print_modules(TSRMLS_D)
234 {
235 	HashTable sorted_registry;
236 	zend_module_entry tmp;
237 
238 	zend_hash_init(&sorted_registry, 50, NULL, NULL, 1);
239 	zend_hash_copy(&sorted_registry, &module_registry, NULL, &tmp, sizeof(zend_module_entry));
240 	zend_hash_sort(&sorted_registry, zend_qsort, module_name_cmp, 0 TSRMLS_CC);
241 	zend_hash_apply_with_argument(&sorted_registry, (apply_func_arg_t) print_module_info, NULL TSRMLS_CC);
242 	zend_hash_destroy(&sorted_registry);
243 }
244 
print_extension_info(zend_extension * ext,void * arg TSRMLS_DC)245 static int print_extension_info(zend_extension *ext, void *arg TSRMLS_DC)
246 {
247 	php_printf("%s\n", ext->name);
248 	return 0;
249 }
250 
extension_name_cmp(const zend_llist_element ** f,const zend_llist_element ** s TSRMLS_DC)251 static int extension_name_cmp(const zend_llist_element **f, const zend_llist_element **s TSRMLS_DC)
252 {
253 	return strcmp(	((zend_extension *)(*f)->data)->name,
254 					((zend_extension *)(*s)->data)->name);
255 }
256 
print_extensions(TSRMLS_D)257 static void print_extensions(TSRMLS_D)
258 {
259 	zend_llist sorted_exts;
260 
261 	zend_llist_copy(&sorted_exts, &zend_extensions);
262 	sorted_exts.dtor = NULL;
263 	zend_llist_sort(&sorted_exts, extension_name_cmp TSRMLS_CC);
264 	zend_llist_apply_with_argument(&sorted_exts, (llist_apply_with_arg_func_t) print_extension_info, NULL TSRMLS_CC);
265 	zend_llist_destroy(&sorted_exts);
266 }
267 
268 #ifndef STDOUT_FILENO
269 #define STDOUT_FILENO 1
270 #endif
271 
sapi_cgibin_single_write(const char * str,uint str_length TSRMLS_DC)272 static inline size_t sapi_cgibin_single_write(const char *str, uint str_length TSRMLS_DC)
273 {
274 	ssize_t ret;
275 
276 	/* sapi has started which means everyhting must be send through fcgi */
277 	if (fpm_is_running) {
278 		fcgi_request *request = (fcgi_request*) SG(server_context);
279 		ret = fcgi_write(request, FCGI_STDOUT, str, str_length);
280 		if (ret <= 0) {
281 			return 0;
282 		}
283 		return (size_t)ret;
284 	}
285 
286 	/* sapi has not started, output to stdout instead of fcgi */
287 #ifdef PHP_WRITE_STDOUT
288 	ret = write(STDOUT_FILENO, str, str_length);
289 	if (ret <= 0) {
290 		return 0;
291 	}
292 	return (size_t)ret;
293 #else
294 	return fwrite(str, 1, MIN(str_length, 16384), stdout);
295 #endif
296 }
297 
sapi_cgibin_ub_write(const char * str,uint str_length TSRMLS_DC)298 static int sapi_cgibin_ub_write(const char *str, uint str_length TSRMLS_DC)
299 {
300 	const char *ptr = str;
301 	uint remaining = str_length;
302 	size_t ret;
303 
304 	while (remaining > 0) {
305 		ret = sapi_cgibin_single_write(ptr, remaining TSRMLS_CC);
306 		if (!ret) {
307 			php_handle_aborted_connection();
308 			return str_length - remaining;
309 		}
310 		ptr += ret;
311 		remaining -= ret;
312 	}
313 
314 	return str_length;
315 }
316 
317 
sapi_cgibin_flush(void * server_context)318 static void sapi_cgibin_flush(void *server_context)
319 {
320 	/* fpm has started, let use fcgi instead of stdout */
321 	if (fpm_is_running) {
322 		fcgi_request *request = (fcgi_request*) server_context;
323 		if (
324 #ifndef PHP_WIN32
325 	      !parent &&
326 #endif
327 	      request && !fcgi_flush(request, 0)) {
328 			php_handle_aborted_connection();
329 		}
330 		return;
331 	}
332 
333 	/* fpm has not started yet, let use stdout instead of fcgi */
334 	if (fflush(stdout) == EOF) {
335 		php_handle_aborted_connection();
336 	}
337 }
338 
339 #define SAPI_CGI_MAX_HEADER_LENGTH 1024
340 
341 typedef struct _http_error {
342 	int code;
343 	const char* msg;
344 } http_error;
345 
346 static const http_error http_error_codes[] = {
347 	{100, "Continue"},
348 	{101, "Switching Protocols"},
349 	{200, "OK"},
350 	{201, "Created"},
351 	{202, "Accepted"},
352 	{203, "Non-Authoritative Information"},
353 	{204, "No Content"},
354 	{205, "Reset Content"},
355 	{206, "Partial Content"},
356 	{300, "Multiple Choices"},
357 	{301, "Moved Permanently"},
358 	{302, "Moved Temporarily"},
359 	{303, "See Other"},
360 	{304, "Not Modified"},
361 	{305, "Use Proxy"},
362 	{400, "Bad Request"},
363 	{401, "Unauthorized"},
364 	{402, "Payment Required"},
365 	{403, "Forbidden"},
366 	{404, "Not Found"},
367 	{405, "Method Not Allowed"},
368 	{406, "Not Acceptable"},
369 	{407, "Proxy Authentication Required"},
370 	{408, "Request Time-out"},
371 	{409, "Conflict"},
372 	{410, "Gone"},
373 	{411, "Length Required"},
374 	{412, "Precondition Failed"},
375 	{413, "Request Entity Too Large"},
376 	{414, "Request-URI Too Large"},
377 	{415, "Unsupported Media Type"},
378 	{428, "Precondition Required"},
379 	{429, "Too Many Requests"},
380 	{431, "Request Header Fields Too Large"},
381 	{500, "Internal Server Error"},
382 	{501, "Not Implemented"},
383 	{502, "Bad Gateway"},
384 	{503, "Service Unavailable"},
385 	{504, "Gateway Time-out"},
386 	{505, "HTTP Version not supported"},
387 	{511, "Network Authentication Required"},
388 	{0,   NULL}
389 };
390 
sapi_cgi_send_headers(sapi_headers_struct * sapi_headers TSRMLS_DC)391 static int sapi_cgi_send_headers(sapi_headers_struct *sapi_headers TSRMLS_DC)
392 {
393 	char buf[SAPI_CGI_MAX_HEADER_LENGTH];
394 	sapi_header_struct *h;
395 	zend_llist_position pos;
396 	zend_bool ignore_status = 0;
397 	int response_status = SG(sapi_headers).http_response_code;
398 
399 	if (SG(request_info).no_headers == 1) {
400 		return  SAPI_HEADER_SENT_SUCCESSFULLY;
401 	}
402 
403 	if (CGIG(nph) || SG(sapi_headers).http_response_code != 200)
404 	{
405 		int len;
406 		zend_bool has_status = 0;
407 
408 		if (CGIG(rfc2616_headers) && SG(sapi_headers).http_status_line) {
409 			char *s;
410 			len = slprintf(buf, SAPI_CGI_MAX_HEADER_LENGTH, "%s\r\n", SG(sapi_headers).http_status_line);
411 			if ((s = strchr(SG(sapi_headers).http_status_line, ' '))) {
412 				response_status = atoi((s + 1));
413 			}
414 
415 			if (len > SAPI_CGI_MAX_HEADER_LENGTH) {
416 				len = SAPI_CGI_MAX_HEADER_LENGTH;
417 			}
418 
419 		} else {
420 			char *s;
421 
422 			if (SG(sapi_headers).http_status_line &&
423 				(s = strchr(SG(sapi_headers).http_status_line, ' ')) != 0 &&
424 				(s - SG(sapi_headers).http_status_line) >= 5 &&
425 				strncasecmp(SG(sapi_headers).http_status_line, "HTTP/", 5) == 0
426 			) {
427 				len = slprintf(buf, sizeof(buf), "Status:%s\r\n", s);
428 				response_status = atoi((s + 1));
429 			} else {
430 				h = (sapi_header_struct*)zend_llist_get_first_ex(&sapi_headers->headers, &pos);
431 				while (h) {
432 					if (h->header_len > sizeof("Status:") - 1 &&
433 						strncasecmp(h->header, "Status:", sizeof("Status:") - 1) == 0
434 					) {
435 						has_status = 1;
436 						break;
437 					}
438 					h = (sapi_header_struct*)zend_llist_get_next_ex(&sapi_headers->headers, &pos);
439 				}
440 				if (!has_status) {
441 					http_error *err = (http_error*)http_error_codes;
442 
443 					while (err->code != 0) {
444 						if (err->code == SG(sapi_headers).http_response_code) {
445 							break;
446 						}
447 						err++;
448 					}
449 					if (err->msg) {
450 						len = slprintf(buf, sizeof(buf), "Status: %d %s\r\n", SG(sapi_headers).http_response_code, err->msg);
451 					} else {
452 						len = slprintf(buf, sizeof(buf), "Status: %d\r\n", SG(sapi_headers).http_response_code);
453 					}
454 				}
455 			}
456 		}
457 
458 		if (!has_status) {
459 			PHPWRITE_H(buf, len);
460 			ignore_status = 1;
461 		}
462 	}
463 
464 	h = (sapi_header_struct*)zend_llist_get_first_ex(&sapi_headers->headers, &pos);
465 	while (h) {
466 		/* prevent CRLFCRLF */
467 		if (h->header_len) {
468 			if (h->header_len > sizeof("Status:") - 1 &&
469 				strncasecmp(h->header, "Status:", sizeof("Status:") - 1) == 0
470 			) {
471 				if (!ignore_status) {
472 					ignore_status = 1;
473 					PHPWRITE_H(h->header, h->header_len);
474 					PHPWRITE_H("\r\n", 2);
475 				}
476 			} else if (response_status == 304 && h->header_len > sizeof("Content-Type:") - 1 &&
477 				strncasecmp(h->header, "Content-Type:", sizeof("Content-Type:") - 1) == 0
478 			) {
479 				h = (sapi_header_struct*)zend_llist_get_next_ex(&sapi_headers->headers, &pos);
480 				continue;
481 			} else {
482 				PHPWRITE_H(h->header, h->header_len);
483 				PHPWRITE_H("\r\n", 2);
484 			}
485 		}
486 		h = (sapi_header_struct*)zend_llist_get_next_ex(&sapi_headers->headers, &pos);
487 	}
488 	PHPWRITE_H("\r\n", 2);
489 
490 	return SAPI_HEADER_SENT_SUCCESSFULLY;
491 }
492 
493 #ifndef STDIN_FILENO
494 # define STDIN_FILENO 0
495 #endif
496 
sapi_cgi_read_post(char * buffer,uint count_bytes TSRMLS_DC)497 static int sapi_cgi_read_post(char *buffer, uint count_bytes TSRMLS_DC)
498 {
499 	uint read_bytes = 0;
500 	int tmp_read_bytes;
501 
502 	count_bytes = MIN(count_bytes, (uint) SG(request_info).content_length - SG(read_post_bytes));
503 	while (read_bytes < count_bytes) {
504 		fcgi_request *request = (fcgi_request*) SG(server_context);
505 		if (request_body_fd == -1) {
506 			char *request_body_filename = sapi_cgibin_getenv((char *) "REQUEST_BODY_FILE",
507 					sizeof("REQUEST_BODY_FILE") - 1 TSRMLS_CC);
508 
509 			if (request_body_filename && *request_body_filename) {
510 				request_body_fd = open(request_body_filename, O_RDONLY);
511 
512 				if (0 > request_body_fd) {
513 					php_error(E_WARNING, "REQUEST_BODY_FILE: open('%s') failed: %s (%d)",
514 							request_body_filename, strerror(errno), errno);
515 					return 0;
516 				}
517 			}
518 		}
519 
520 		/* If REQUEST_BODY_FILE variable not available - read post body from fastcgi stream */
521 		if (request_body_fd < 0) {
522 			tmp_read_bytes = fcgi_read(request, buffer + read_bytes, count_bytes - read_bytes);
523 		} else {
524 			tmp_read_bytes = read(request_body_fd, buffer + read_bytes, count_bytes - read_bytes);
525 		}
526 		if (tmp_read_bytes <= 0) {
527 			break;
528 		}
529 		read_bytes += tmp_read_bytes;
530 	}
531 	return read_bytes;
532 }
533 
sapi_cgibin_getenv(char * name,size_t name_len TSRMLS_DC)534 static char *sapi_cgibin_getenv(char *name, size_t name_len TSRMLS_DC)
535 {
536 	/* if fpm has started, use fcgi env */
537 	if (fpm_is_running) {
538 		fcgi_request *request = (fcgi_request*) SG(server_context);
539 		return fcgi_getenv(request, name, name_len);
540 	}
541 
542 	/* if fpm has not started yet, use std env */
543 	return getenv(name);
544 }
545 
_sapi_cgibin_putenv(char * name,char * value TSRMLS_DC)546 static char *_sapi_cgibin_putenv(char *name, char *value TSRMLS_DC)
547 {
548 	int name_len;
549 
550 	if (!name) {
551 		return NULL;
552 	}
553 	name_len = strlen(name);
554 
555 	fcgi_request *request = (fcgi_request*) SG(server_context);
556 	return fcgi_putenv(request, name, name_len, value);
557 }
558 
sapi_cgi_read_cookies(TSRMLS_D)559 static char *sapi_cgi_read_cookies(TSRMLS_D)
560 {
561 	return sapi_cgibin_getenv((char *) "HTTP_COOKIE", sizeof("HTTP_COOKIE") - 1 TSRMLS_CC);
562 }
563 
cgi_php_import_environment_variables(zval * array_ptr TSRMLS_DC)564 void cgi_php_import_environment_variables(zval *array_ptr TSRMLS_DC)
565 {
566 	fcgi_request *request;
567 	HashPosition pos;
568 	char *var, **val;
569 	uint var_len;
570 	ulong idx;
571 	int filter_arg;
572 
573 
574 	if (PG(http_globals)[TRACK_VARS_ENV] &&
575 		array_ptr != PG(http_globals)[TRACK_VARS_ENV] &&
576 		Z_TYPE_P(PG(http_globals)[TRACK_VARS_ENV]) == IS_ARRAY &&
577 		zend_hash_num_elements(Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_ENV])) > 0
578 	) {
579 		zval_dtor(array_ptr);
580 		*array_ptr = *PG(http_globals)[TRACK_VARS_ENV];
581 		INIT_PZVAL(array_ptr);
582 		zval_copy_ctor(array_ptr);
583 		return;
584 	} else if (PG(http_globals)[TRACK_VARS_SERVER] &&
585 		array_ptr != PG(http_globals)[TRACK_VARS_SERVER] &&
586 		Z_TYPE_P(PG(http_globals)[TRACK_VARS_SERVER]) == IS_ARRAY &&
587 		zend_hash_num_elements(Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_SERVER])) > 0
588 	) {
589 		zval_dtor(array_ptr);
590 		*array_ptr = *PG(http_globals)[TRACK_VARS_SERVER];
591 		INIT_PZVAL(array_ptr);
592 		zval_copy_ctor(array_ptr);
593 		return;
594 	}
595 
596 	/* call php's original import as a catch-all */
597 	php_php_import_environment_variables(array_ptr TSRMLS_CC);
598 
599 	request = (fcgi_request*) SG(server_context);
600 	filter_arg = (array_ptr == PG(http_globals)[TRACK_VARS_ENV])?PARSE_ENV:PARSE_SERVER;
601 
602 	for (zend_hash_internal_pointer_reset_ex(request->env, &pos);
603 	     zend_hash_get_current_key_ex(request->env, &var, &var_len, &idx, 0, &pos) == HASH_KEY_IS_STRING &&
604 	     zend_hash_get_current_data_ex(request->env, (void **) &val, &pos) == SUCCESS;
605 	     zend_hash_move_forward_ex(request->env, &pos)
606 	) {
607 		unsigned int new_val_len;
608 
609 		if (sapi_module.input_filter(filter_arg, var, val, strlen(*val), &new_val_len TSRMLS_CC)) {
610 			php_register_variable_safe(var, *val, new_val_len, array_ptr TSRMLS_CC);
611 		}
612 	}
613 }
614 
sapi_cgi_register_variables(zval * track_vars_array TSRMLS_DC)615 static void sapi_cgi_register_variables(zval *track_vars_array TSRMLS_DC)
616 {
617 	unsigned int php_self_len;
618 	char *php_self;
619 
620 	/* In CGI mode, we consider the environment to be a part of the server
621 	 * variables
622 	 */
623 	php_import_environment_variables(track_vars_array TSRMLS_CC);
624 
625 	if (CGIG(fix_pathinfo)) {
626 		char *script_name = SG(request_info).request_uri;
627 		unsigned int script_name_len = script_name ? strlen(script_name) : 0;
628 		char *path_info = sapi_cgibin_getenv("PATH_INFO", sizeof("PATH_INFO") - 1 TSRMLS_CC);
629 		unsigned int path_info_len = path_info ? strlen(path_info) : 0;
630 
631 		php_self_len = script_name_len + path_info_len;
632 		php_self = emalloc(php_self_len + 1);
633 
634 		/* Concat script_name and path_info into php_self */
635 		if (script_name) {
636 			memcpy(php_self, script_name, script_name_len + 1);
637 		}
638 		if (path_info) {
639 			memcpy(php_self + script_name_len, path_info, path_info_len + 1);
640 		}
641 
642 		/* Build the special-case PHP_SELF variable for the CGI version */
643 		if (sapi_module.input_filter(PARSE_SERVER, "PHP_SELF", &php_self, php_self_len, &php_self_len TSRMLS_CC)) {
644 			php_register_variable_safe("PHP_SELF", php_self, php_self_len, track_vars_array TSRMLS_CC);
645 		}
646 		efree(php_self);
647 	} else {
648 		php_self = SG(request_info).request_uri ? SG(request_info).request_uri : "";
649 		php_self_len = strlen(php_self);
650 		if (sapi_module.input_filter(PARSE_SERVER, "PHP_SELF", &php_self, php_self_len, &php_self_len TSRMLS_CC)) {
651 			php_register_variable_safe("PHP_SELF", php_self, php_self_len, track_vars_array TSRMLS_CC);
652 		}
653 	}
654 }
655 
656 /* {{{ sapi_cgi_log_fastcgi
657  *
658  * Ignore level, we want to send all messages through fastcgi
659  */
sapi_cgi_log_fastcgi(int level,char * message,size_t len)660 void sapi_cgi_log_fastcgi(int level, char *message, size_t len)
661 {
662 	TSRMLS_FETCH();
663 
664 	fcgi_request *request = (fcgi_request*) SG(server_context);
665 
666 	/* ensure we want:
667 	 * - to log (fastcgi.logging in php.ini)
668 	 * - we are currently dealing with a request
669 	 * - the message is not empty
670 	 */
671 	if (CGIG(fcgi_logging) && request && message && len > 0) {
672 		char *buf = malloc(len + 2);
673 		memcpy(buf, message, len);
674 		memcpy(buf + len, "\n", sizeof("\n"));
675 		fcgi_write(request, FCGI_STDERR, buf, len+1);
676 		free(buf);
677 	}
678 }
679 /* }}} */
680 
681 /* {{{ sapi_cgi_log_message
682  */
sapi_cgi_log_message(char * message)683 static void sapi_cgi_log_message(char *message)
684 {
685 	zlog(ZLOG_NOTICE, "PHP message: %s", message);
686 }
687 /* }}} */
688 
689 /* {{{ php_cgi_ini_activate_user_config
690  */
php_cgi_ini_activate_user_config(char * path,int path_len,const char * doc_root,int doc_root_len,int start TSRMLS_DC)691 static void php_cgi_ini_activate_user_config(char *path, int path_len, const char *doc_root, int doc_root_len, int start TSRMLS_DC)
692 {
693 	char *ptr;
694 	user_config_cache_entry *new_entry, *entry;
695 	time_t request_time = sapi_get_request_time(TSRMLS_C);
696 
697 	/* Find cached config entry: If not found, create one */
698 	if (zend_hash_find(&CGIG(user_config_cache), path, path_len + 1, (void **) &entry) == FAILURE) {
699 		new_entry = pemalloc(sizeof(user_config_cache_entry), 1);
700 		new_entry->expires = 0;
701 		new_entry->user_config = (HashTable *) pemalloc(sizeof(HashTable), 1);
702 		zend_hash_init(new_entry->user_config, 0, NULL, (dtor_func_t) config_zval_dtor, 1);
703 		zend_hash_update(&CGIG(user_config_cache), path, path_len + 1, new_entry, sizeof(user_config_cache_entry), (void **) &entry);
704 		free(new_entry);
705 	}
706 
707 	/* Check whether cache entry has expired and rescan if it is */
708 	if (request_time > entry->expires) {
709 		char * real_path;
710 		int real_path_len;
711 		char *s1, *s2;
712 		int s_len;
713 
714 		/* Clear the expired config */
715 		zend_hash_clean(entry->user_config);
716 
717 		if (!IS_ABSOLUTE_PATH(path, path_len)) {
718 			real_path = tsrm_realpath(path, NULL TSRMLS_CC);
719 			if (real_path == NULL) {
720 				return;
721 			}
722 			real_path_len = strlen(real_path);
723 			path = real_path;
724 			path_len = real_path_len;
725 		}
726 
727 		if (path_len > doc_root_len) {
728 			s1 = (char *) doc_root;
729 			s2 = path;
730 			s_len = doc_root_len;
731 		} else {
732 			s1 = path;
733 			s2 = (char *) doc_root;
734 			s_len = path_len;
735 		}
736 
737 		/* we have to test if path is part of DOCUMENT_ROOT.
738 		  if it is inside the docroot, we scan the tree up to the docroot
739 			to find more user.ini, if not we only scan the current path.
740 		  */
741 #ifdef PHP_WIN32
742 		if (strnicmp(s1, s2, s_len) == 0) {
743 #else
744 		if (strncmp(s1, s2, s_len) == 0) {
745 #endif
746 			ptr = s2 + start;  /* start is the point where doc_root ends! */
747 			while ((ptr = strchr(ptr, DEFAULT_SLASH)) != NULL) {
748 				*ptr = 0;
749 				php_parse_user_ini_file(path, PG(user_ini_filename), entry->user_config TSRMLS_CC);
750 				*ptr = '/';
751 				ptr++;
752 			}
753 		} else {
754 			php_parse_user_ini_file(path, PG(user_ini_filename), entry->user_config TSRMLS_CC);
755 		}
756 
757 		entry->expires = request_time + PG(user_ini_cache_ttl);
758 	}
759 
760 	/* Activate ini entries with values from the user config hash */
761 	php_ini_activate_config(entry->user_config, PHP_INI_PERDIR, PHP_INI_STAGE_HTACCESS TSRMLS_CC);
762 }
763 /* }}} */
764 
765 static int sapi_cgi_activate(TSRMLS_D)
766 {
767 	char *path, *doc_root, *server_name;
768 	uint path_len, doc_root_len, server_name_len;
769 
770 	/* PATH_TRANSLATED should be defined at this stage but better safe than sorry :) */
771 	if (!SG(request_info).path_translated) {
772 		return FAILURE;
773 	}
774 
775 	if (php_ini_has_per_host_config()) {
776 		/* Activate per-host-system-configuration defined in php.ini and stored into configuration_hash during startup */
777 		server_name = sapi_cgibin_getenv("SERVER_NAME", sizeof("SERVER_NAME") - 1 TSRMLS_CC);
778 		/* SERVER_NAME should also be defined at this stage..but better check it anyway */
779 		if (server_name) {
780 			server_name_len = strlen(server_name);
781 			server_name = estrndup(server_name, server_name_len);
782 			zend_str_tolower(server_name, server_name_len);
783 			php_ini_activate_per_host_config(server_name, server_name_len + 1 TSRMLS_CC);
784 			efree(server_name);
785 		}
786 	}
787 
788 	if (php_ini_has_per_dir_config() ||
789 		(PG(user_ini_filename) && *PG(user_ini_filename))
790 	) {
791 		/* Prepare search path */
792 		path_len = strlen(SG(request_info).path_translated);
793 
794 		/* Make sure we have trailing slash! */
795 		if (!IS_SLASH(SG(request_info).path_translated[path_len])) {
796 			path = emalloc(path_len + 2);
797 			memcpy(path, SG(request_info).path_translated, path_len + 1);
798 			path_len = zend_dirname(path, path_len);
799 			path[path_len++] = DEFAULT_SLASH;
800 		} else {
801 			path = estrndup(SG(request_info).path_translated, path_len);
802 			path_len = zend_dirname(path, path_len);
803 		}
804 		path[path_len] = 0;
805 
806 		/* Activate per-dir-system-configuration defined in php.ini and stored into configuration_hash during startup */
807 		php_ini_activate_per_dir_config(path, path_len TSRMLS_CC); /* Note: for global settings sake we check from root to path */
808 
809 		/* Load and activate user ini files in path starting from DOCUMENT_ROOT */
810 		if (PG(user_ini_filename) && *PG(user_ini_filename)) {
811 			doc_root = sapi_cgibin_getenv("DOCUMENT_ROOT", sizeof("DOCUMENT_ROOT") - 1 TSRMLS_CC);
812 			/* DOCUMENT_ROOT should also be defined at this stage..but better check it anyway */
813 			if (doc_root) {
814 				doc_root_len = strlen(doc_root);
815 				if (doc_root_len > 0 && IS_SLASH(doc_root[doc_root_len - 1])) {
816 					--doc_root_len;
817 				}
818 #ifdef PHP_WIN32
819 				/* paths on windows should be case-insensitive */
820 				doc_root = estrndup(doc_root, doc_root_len);
821 				zend_str_tolower(doc_root, doc_root_len);
822 #endif
823 				php_cgi_ini_activate_user_config(path, path_len, doc_root, doc_root_len, doc_root_len - 1 TSRMLS_CC);
824 			}
825 		}
826 
827 #ifdef PHP_WIN32
828 		efree(doc_root);
829 #endif
830 		efree(path);
831 	}
832 
833 	return SUCCESS;
834 }
835 
836 static int sapi_cgi_deactivate(TSRMLS_D)
837 {
838 	/* flush only when SAPI was started. The reasons are:
839 		1. SAPI Deactivate is called from two places: module init and request shutdown
840 		2. When the first call occurs and the request is not set up, flush fails on FastCGI.
841 	*/
842 	if (SG(sapi_started)) {
843 		if (
844 #ifndef PHP_WIN32
845 		    !parent &&
846 #endif
847 		    !fcgi_finish_request((fcgi_request*)SG(server_context), 0)) {
848 			php_handle_aborted_connection();
849 		}
850 	}
851 	return SUCCESS;
852 }
853 
854 static int php_cgi_startup(sapi_module_struct *sapi_module)
855 {
856 	if (php_module_startup(sapi_module, &cgi_module_entry, 1) == FAILURE) {
857 		return FAILURE;
858 	}
859 	return SUCCESS;
860 }
861 
862 /* {{{ sapi_module_struct cgi_sapi_module
863  */
864 static sapi_module_struct cgi_sapi_module = {
865 	"fpm-fcgi",						/* name */
866 	"FPM/FastCGI",					/* pretty name */
867 
868 	php_cgi_startup,				/* startup */
869 	php_module_shutdown_wrapper,	/* shutdown */
870 
871 	sapi_cgi_activate,				/* activate */
872 	sapi_cgi_deactivate,			/* deactivate */
873 
874 	sapi_cgibin_ub_write,			/* unbuffered write */
875 	sapi_cgibin_flush,				/* flush */
876 	NULL,							/* get uid */
877 	sapi_cgibin_getenv,				/* getenv */
878 
879 	php_error,						/* error handler */
880 
881 	NULL,							/* header handler */
882 	sapi_cgi_send_headers,			/* send headers handler */
883 	NULL,							/* send header handler */
884 
885 	sapi_cgi_read_post,				/* read POST data */
886 	sapi_cgi_read_cookies,			/* read Cookies */
887 
888 	sapi_cgi_register_variables,	/* register server variables */
889 	sapi_cgi_log_message,			/* Log message */
890 	NULL,							/* Get request time */
891 	NULL,							/* Child terminate */
892 
893 	STANDARD_SAPI_MODULE_PROPERTIES
894 };
895 /* }}} */
896 
897 /* {{{ arginfo ext/standard/dl.c */
898 ZEND_BEGIN_ARG_INFO(arginfo_dl, 0)
899 	ZEND_ARG_INFO(0, extension_filename)
900 ZEND_END_ARG_INFO()
901 /* }}} */
902 
903 static const zend_function_entry additional_functions[] = {
904 	ZEND_FE(dl, arginfo_dl)
905 	{NULL, NULL, NULL}
906 };
907 
908 /* {{{ php_cgi_usage
909  */
910 static void php_cgi_usage(char *argv0)
911 {
912 	char *prog;
913 
914 	prog = strrchr(argv0, '/');
915 	if (prog) {
916 		prog++;
917 	} else {
918 		prog = "php";
919 	}
920 
921 	php_printf(	"Usage: %s [-n] [-e] [-h] [-i] [-m] [-v] [-t] [-p <prefix>] [-g <pid>] [-c <file>] [-d foo[=bar]] [-y <file>] [-D] [-F]\n"
922 				"  -c <path>|<file> Look for php.ini file in this directory\n"
923 				"  -n               No php.ini file will be used\n"
924 				"  -d foo[=bar]     Define INI entry foo with value 'bar'\n"
925 				"  -e               Generate extended information for debugger/profiler\n"
926 				"  -h               This help\n"
927 				"  -i               PHP information\n"
928 				"  -m               Show compiled in modules\n"
929 				"  -v               Version number\n"
930 				"  -p, --prefix <dir>\n"
931 				"                   Specify alternative prefix path to FastCGI process manager (default: %s).\n"
932 				"  -g, --pid <file>\n"
933 				"                   Specify the PID file location.\n"
934 				"  -y, --fpm-config <file>\n"
935 				"                   Specify alternative path to FastCGI process manager config file.\n"
936 				"  -t, --test       Test FPM configuration and exit\n"
937 				"  -D, --daemonize  force to run in background, and ignore daemonize option from config file\n"
938 				"  -F, --nodaemonize\n"
939 				"                   force to stay in foreground, and ignore daemonize option from config file\n"
940 				"  -R, --allow-to-run-as-root\n"
941 				"                   Allow pool to run as root (disabled by default)\n",
942 				prog, PHP_PREFIX);
943 }
944 /* }}} */
945 
946 /* {{{ is_valid_path
947  *
948  * some server configurations allow '..' to slip through in the
949  * translated path.   We'll just refuse to handle such a path.
950  */
951 static int is_valid_path(const char *path)
952 {
953 	const char *p;
954 
955 	if (!path) {
956 		return 0;
957 	}
958 	p = strstr(path, "..");
959 	if (p) {
960 		if ((p == path || IS_SLASH(*(p-1))) &&
961 			(*(p+2) == 0 || IS_SLASH(*(p+2)))
962 		) {
963 			return 0;
964 		}
965 		while (1) {
966 			p = strstr(p+1, "..");
967 			if (!p) {
968 				break;
969 			}
970 			if (IS_SLASH(*(p-1)) &&
971 				(*(p+2) == 0 || IS_SLASH(*(p+2)))
972 			) {
973 					return 0;
974 			}
975 		}
976 	}
977 	return 1;
978 }
979 /* }}} */
980 
981 /* {{{ init_request_info
982 
983   initializes request_info structure
984 
985   specificly in this section we handle proper translations
986   for:
987 
988   PATH_INFO
989 	derived from the portion of the URI path following
990 	the script name but preceding any query data
991 	may be empty
992 
993   PATH_TRANSLATED
994     derived by taking any path-info component of the
995 	request URI and performing any virtual-to-physical
996 	translation appropriate to map it onto the server's
997 	document repository structure
998 
999 	empty if PATH_INFO is empty
1000 
1001 	The env var PATH_TRANSLATED **IS DIFFERENT** than the
1002 	request_info.path_translated variable, the latter should
1003 	match SCRIPT_FILENAME instead.
1004 
1005   SCRIPT_NAME
1006     set to a URL path that could identify the CGI script
1007 	rather than the interpreter.  PHP_SELF is set to this
1008 
1009   REQUEST_URI
1010     uri section following the domain:port part of a URI
1011 
1012   SCRIPT_FILENAME
1013     The virtual-to-physical translation of SCRIPT_NAME (as per
1014 	PATH_TRANSLATED)
1015 
1016   These settings are documented at
1017   http://cgi-spec.golux.com/
1018 
1019 
1020   Based on the following URL request:
1021 
1022   http://localhost/info.php/test?a=b
1023 
1024   should produce, which btw is the same as if
1025   we were running under mod_cgi on apache (ie. not
1026   using ScriptAlias directives):
1027 
1028   PATH_INFO=/test
1029   PATH_TRANSLATED=/docroot/test
1030   SCRIPT_NAME=/info.php
1031   REQUEST_URI=/info.php/test?a=b
1032   SCRIPT_FILENAME=/docroot/info.php
1033   QUERY_STRING=a=b
1034 
1035   but what we get is (cgi/mod_fastcgi under apache):
1036 
1037   PATH_INFO=/info.php/test
1038   PATH_TRANSLATED=/docroot/info.php/test
1039   SCRIPT_NAME=/php/php-cgi  (from the Action setting I suppose)
1040   REQUEST_URI=/info.php/test?a=b
1041   SCRIPT_FILENAME=/path/to/php/bin/php-cgi  (Action setting translated)
1042   QUERY_STRING=a=b
1043 
1044   Comments in the code below refer to using the above URL in a request
1045 
1046  */
1047 static void init_request_info(TSRMLS_D)
1048 {
1049 	char *env_script_filename = sapi_cgibin_getenv("SCRIPT_FILENAME", sizeof("SCRIPT_FILENAME") - 1 TSRMLS_CC);
1050 	char *env_path_translated = sapi_cgibin_getenv("PATH_TRANSLATED", sizeof("PATH_TRANSLATED") - 1 TSRMLS_CC);
1051 	char *script_path_translated = env_script_filename;
1052 	char *ini;
1053 	int apache_was_here = 0;
1054 
1055 	/* some broken servers do not have script_filename or argv0
1056 	 * an example, IIS configured in some ways.  then they do more
1057 	 * broken stuff and set path_translated to the cgi script location */
1058 	if (!script_path_translated && env_path_translated) {
1059 		script_path_translated = env_path_translated;
1060 	}
1061 
1062 	/* initialize the defaults */
1063 	SG(request_info).path_translated = NULL;
1064 	SG(request_info).request_method = NULL;
1065 	SG(request_info).proto_num = 1000;
1066 	SG(request_info).query_string = NULL;
1067 	SG(request_info).request_uri = NULL;
1068 	SG(request_info).content_type = NULL;
1069 	SG(request_info).content_length = 0;
1070 	SG(sapi_headers).http_response_code = 200;
1071 
1072 	/* script_path_translated being set is a good indication that
1073 	 * we are running in a cgi environment, since it is always
1074 	 * null otherwise.  otherwise, the filename
1075 	 * of the script will be retreived later via argc/argv */
1076 	if (script_path_translated) {
1077 		const char *auth;
1078 		char *content_length = sapi_cgibin_getenv("CONTENT_LENGTH", sizeof("CONTENT_LENGTH") - 1 TSRMLS_CC);
1079 		char *content_type = sapi_cgibin_getenv("CONTENT_TYPE", sizeof("CONTENT_TYPE") - 1 TSRMLS_CC);
1080 		char *env_path_info = sapi_cgibin_getenv("PATH_INFO", sizeof("PATH_INFO") - 1 TSRMLS_CC);
1081 		char *env_script_name = sapi_cgibin_getenv("SCRIPT_NAME", sizeof("SCRIPT_NAME") - 1 TSRMLS_CC);
1082 
1083 		/* Hack for buggy IIS that sets incorrect PATH_INFO */
1084 		char *env_server_software = sapi_cgibin_getenv("SERVER_SOFTWARE", sizeof("SERVER_SOFTWARE") - 1 TSRMLS_CC);
1085 		if (env_server_software &&
1086 			env_script_name &&
1087 			env_path_info &&
1088 			strncmp(env_server_software, "Microsoft-IIS", sizeof("Microsoft-IIS") - 1) == 0 &&
1089 			strncmp(env_path_info, env_script_name, strlen(env_script_name)) == 0
1090 		) {
1091 			env_path_info = _sapi_cgibin_putenv("ORIG_PATH_INFO", env_path_info TSRMLS_CC);
1092 			env_path_info += strlen(env_script_name);
1093 			if (*env_path_info == 0) {
1094 				env_path_info = NULL;
1095 			}
1096 			env_path_info = _sapi_cgibin_putenv("PATH_INFO", env_path_info TSRMLS_CC);
1097 		}
1098 
1099 #define APACHE_PROXY_FCGI_PREFIX "proxy:fcgi://"
1100 		/* Fix proxy URLs in SCRIPT_FILENAME generated by Apache mod_proxy_fcgi:
1101 		 *     proxy:fcgi://localhost:9000/some-dir/info.php/test?foo=bar
1102 		 * should be changed to:
1103 		 *     /some-dir/info.php/test
1104 		 * See: http://bugs.php.net/bug.php?id=54152
1105 		 *      https://issues.apache.org/bugzilla/show_bug.cgi?id=50851
1106 		 */
1107 		if (env_script_filename &&
1108 			strncasecmp(env_script_filename, APACHE_PROXY_FCGI_PREFIX, sizeof(APACHE_PROXY_FCGI_PREFIX) - 1) == 0) {
1109 			/* advance to first character of hostname */
1110 			char *p = env_script_filename + (sizeof(APACHE_PROXY_FCGI_PREFIX) - 1);
1111 			while (*p != '\0' && *p != '/') {
1112 				p++;	/* move past hostname and port */
1113 			}
1114 			if (*p != '\0') {
1115 				/* Copy path portion in place to avoid memory leak.  Note
1116 				 * that this also affects what script_path_translated points
1117 				 * to. */
1118 				memmove(env_script_filename, p, strlen(p) + 1);
1119 				apache_was_here = 1;
1120 			}
1121 			/* ignore query string if sent by Apache (RewriteRule) */
1122 			p = strchr(env_script_filename, '?');
1123 			if (p) {
1124 				*p =0;
1125 			}
1126 		}
1127 
1128 		if (CGIG(fix_pathinfo)) {
1129 			struct stat st;
1130 			char *real_path = NULL;
1131 			char *env_redirect_url = sapi_cgibin_getenv("REDIRECT_URL", sizeof("REDIRECT_URL") - 1 TSRMLS_CC);
1132 			char *env_document_root = sapi_cgibin_getenv("DOCUMENT_ROOT", sizeof("DOCUMENT_ROOT") - 1 TSRMLS_CC);
1133 			char *orig_path_translated = env_path_translated;
1134 			char *orig_path_info = env_path_info;
1135 			char *orig_script_name = env_script_name;
1136 			char *orig_script_filename = env_script_filename;
1137 			int script_path_translated_len;
1138 
1139 			if (!env_document_root && PG(doc_root)) {
1140 				env_document_root = _sapi_cgibin_putenv("DOCUMENT_ROOT", PG(doc_root) TSRMLS_CC);
1141 				/* fix docroot */
1142 				TRANSLATE_SLASHES(env_document_root);
1143 			}
1144 
1145 			if (!apache_was_here && env_path_translated != NULL && env_redirect_url != NULL &&
1146 			    env_path_translated != script_path_translated &&
1147 			    strcmp(env_path_translated, script_path_translated) != 0) {
1148 				/*
1149 				 * pretty much apache specific.  If we have a redirect_url
1150 				 * then our script_filename and script_name point to the
1151 				 * php executable
1152 				 * we don't want to do this for the new mod_proxy_fcgi approach,
1153 				 * where redirect_url may also exist but the below will break
1154 				 * with rewrites to PATH_INFO, hence the !apache_was_here check
1155 				 */
1156 				script_path_translated = env_path_translated;
1157 				/* we correct SCRIPT_NAME now in case we don't have PATH_INFO */
1158 				env_script_name = env_redirect_url;
1159 			}
1160 
1161 #ifdef __riscos__
1162 			/* Convert path to unix format*/
1163 			__riscosify_control |= __RISCOSIFY_DONT_CHECK_DIR;
1164 			script_path_translated = __unixify(script_path_translated, 0, NULL, 1, 0);
1165 #endif
1166 
1167 			/*
1168 			 * if the file doesn't exist, try to extract PATH_INFO out
1169 			 * of it by stat'ing back through the '/'
1170 			 * this fixes url's like /info.php/test
1171 			 */
1172 			if (script_path_translated &&
1173 				(script_path_translated_len = strlen(script_path_translated)) > 0 &&
1174 				(script_path_translated[script_path_translated_len-1] == '/' ||
1175 #ifdef PHP_WIN32
1176 				script_path_translated[script_path_translated_len-1] == '\\' ||
1177 #endif
1178 				(real_path = tsrm_realpath(script_path_translated, NULL TSRMLS_CC)) == NULL)
1179 			) {
1180 				char *pt = estrndup(script_path_translated, script_path_translated_len);
1181 				int len = script_path_translated_len;
1182 				char *ptr;
1183 
1184 				if (pt) {
1185 					while ((ptr = strrchr(pt, '/')) || (ptr = strrchr(pt, '\\'))) {
1186 						*ptr = 0;
1187 						if (stat(pt, &st) == 0 && S_ISREG(st.st_mode)) {
1188 							/*
1189 							 * okay, we found the base script!
1190 							 * work out how many chars we had to strip off;
1191 							 * then we can modify PATH_INFO
1192 							 * accordingly
1193 							 *
1194 							 * we now have the makings of
1195 							 * PATH_INFO=/test
1196 							 * SCRIPT_FILENAME=/docroot/info.php
1197 							 *
1198 							 * we now need to figure out what docroot is.
1199 							 * if DOCUMENT_ROOT is set, this is easy, otherwise,
1200 							 * we have to play the game of hide and seek to figure
1201 							 * out what SCRIPT_NAME should be
1202 							 */
1203 							int ptlen = strlen(pt);
1204 							int slen = len - ptlen;
1205 							int pilen = env_path_info ? strlen(env_path_info) : 0;
1206 							int tflag = 0;
1207 							char *path_info;
1208 							if (apache_was_here) {
1209 								/* recall that PATH_INFO won't exist */
1210 								path_info = script_path_translated + ptlen;
1211 								tflag = (slen != 0 && (!orig_path_info || strcmp(orig_path_info, path_info) != 0));
1212 							} else {
1213 								path_info = env_path_info ? env_path_info + pilen - slen : NULL;
1214 								tflag = (orig_path_info != path_info);
1215 							}
1216 
1217 							if (tflag) {
1218 								if (orig_path_info) {
1219 									char old;
1220 
1221 									_sapi_cgibin_putenv("ORIG_PATH_INFO", orig_path_info TSRMLS_CC);
1222 									old = path_info[0];
1223 									path_info[0] = 0;
1224 									if (!orig_script_name ||
1225 										strcmp(orig_script_name, env_path_info) != 0) {
1226 										if (orig_script_name) {
1227 											_sapi_cgibin_putenv("ORIG_SCRIPT_NAME", orig_script_name TSRMLS_CC);
1228 										}
1229 										SG(request_info).request_uri = _sapi_cgibin_putenv("SCRIPT_NAME", env_path_info TSRMLS_CC);
1230 									} else {
1231 										SG(request_info).request_uri = orig_script_name;
1232 									}
1233 									path_info[0] = old;
1234 								}
1235 								env_path_info = _sapi_cgibin_putenv("PATH_INFO", path_info TSRMLS_CC);
1236 							}
1237 							if (!orig_script_filename ||
1238 								strcmp(orig_script_filename, pt) != 0) {
1239 								if (orig_script_filename) {
1240 									_sapi_cgibin_putenv("ORIG_SCRIPT_FILENAME", orig_script_filename TSRMLS_CC);
1241 								}
1242 								script_path_translated = _sapi_cgibin_putenv("SCRIPT_FILENAME", pt TSRMLS_CC);
1243 							}
1244 							TRANSLATE_SLASHES(pt);
1245 
1246 							/* figure out docroot
1247 							 * SCRIPT_FILENAME minus SCRIPT_NAME
1248 							 */
1249 							if (env_document_root) {
1250 								int l = strlen(env_document_root);
1251 								int path_translated_len = 0;
1252 								char *path_translated = NULL;
1253 
1254 								if (l && env_document_root[l - 1] == '/') {
1255 									--l;
1256 								}
1257 
1258 								/* we have docroot, so we should have:
1259 								 * DOCUMENT_ROOT=/docroot
1260 								 * SCRIPT_FILENAME=/docroot/info.php
1261 								 */
1262 
1263 								/* PATH_TRANSLATED = DOCUMENT_ROOT + PATH_INFO */
1264 								path_translated_len = l + (env_path_info ? strlen(env_path_info) : 0);
1265 								path_translated = (char *) emalloc(path_translated_len + 1);
1266 								memcpy(path_translated, env_document_root, l);
1267 								if (env_path_info) {
1268 									memcpy(path_translated + l, env_path_info, (path_translated_len - l));
1269 								}
1270 								path_translated[path_translated_len] = '\0';
1271 								if (orig_path_translated) {
1272 									_sapi_cgibin_putenv("ORIG_PATH_TRANSLATED", orig_path_translated TSRMLS_CC);
1273 								}
1274 								env_path_translated = _sapi_cgibin_putenv("PATH_TRANSLATED", path_translated TSRMLS_CC);
1275 								efree(path_translated);
1276 							} else if (	env_script_name &&
1277 										strstr(pt, env_script_name)
1278 							) {
1279 								/* PATH_TRANSLATED = PATH_TRANSLATED - SCRIPT_NAME + PATH_INFO */
1280 								int ptlen = strlen(pt) - strlen(env_script_name);
1281 								int path_translated_len = ptlen + (env_path_info ? strlen(env_path_info) : 0);
1282 								char *path_translated = NULL;
1283 
1284 								path_translated = (char *) emalloc(path_translated_len + 1);
1285 								memcpy(path_translated, pt, ptlen);
1286 								if (env_path_info) {
1287 									memcpy(path_translated + ptlen, env_path_info, path_translated_len - ptlen);
1288 								}
1289 								path_translated[path_translated_len] = '\0';
1290 								if (orig_path_translated) {
1291 									_sapi_cgibin_putenv("ORIG_PATH_TRANSLATED", orig_path_translated TSRMLS_CC);
1292 								}
1293 								env_path_translated = _sapi_cgibin_putenv("PATH_TRANSLATED", path_translated TSRMLS_CC);
1294 								efree(path_translated);
1295 							}
1296 							break;
1297 						}
1298 					}
1299 				} else {
1300 					ptr = NULL;
1301 				}
1302 				if (!ptr) {
1303 					/*
1304 					 * if we stripped out all the '/' and still didn't find
1305 					 * a valid path... we will fail, badly. of course we would
1306 					 * have failed anyway... we output 'no input file' now.
1307 					 */
1308 					if (orig_script_filename) {
1309 						_sapi_cgibin_putenv("ORIG_SCRIPT_FILENAME", orig_script_filename TSRMLS_CC);
1310 					}
1311 					script_path_translated = _sapi_cgibin_putenv("SCRIPT_FILENAME", NULL TSRMLS_CC);
1312 					SG(sapi_headers).http_response_code = 404;
1313 				}
1314 				if (!SG(request_info).request_uri) {
1315 					if (!orig_script_name ||
1316 						strcmp(orig_script_name, env_script_name) != 0) {
1317 						if (orig_script_name) {
1318 							_sapi_cgibin_putenv("ORIG_SCRIPT_NAME", orig_script_name TSRMLS_CC);
1319 						}
1320 						SG(request_info).request_uri = _sapi_cgibin_putenv("SCRIPT_NAME", env_script_name TSRMLS_CC);
1321 					} else {
1322 						SG(request_info).request_uri = orig_script_name;
1323 					}
1324 				}
1325 				if (pt) {
1326 					efree(pt);
1327 				}
1328 			} else {
1329 				/* make sure original values are remembered in ORIG_ copies if we've changed them */
1330 				if (!orig_script_filename ||
1331 					(script_path_translated != orig_script_filename &&
1332 					strcmp(script_path_translated, orig_script_filename) != 0)) {
1333 					if (orig_script_filename) {
1334 						_sapi_cgibin_putenv("ORIG_SCRIPT_FILENAME", orig_script_filename TSRMLS_CC);
1335 					}
1336 					script_path_translated = _sapi_cgibin_putenv("SCRIPT_FILENAME", script_path_translated TSRMLS_CC);
1337 				}
1338 				if (!apache_was_here && env_redirect_url) {
1339 					/* if we used PATH_TRANSLATED to work around Apache mod_fastcgi (but not mod_proxy_fcgi,
1340 					 * hence !apache_was_here) weirdness, strip info accordingly */
1341 					if (orig_path_info) {
1342 						_sapi_cgibin_putenv("ORIG_PATH_INFO", orig_path_info TSRMLS_CC);
1343 						_sapi_cgibin_putenv("PATH_INFO", NULL TSRMLS_CC);
1344 					}
1345 					if (orig_path_translated) {
1346 						_sapi_cgibin_putenv("ORIG_PATH_TRANSLATED", orig_path_translated TSRMLS_CC);
1347 						_sapi_cgibin_putenv("PATH_TRANSLATED", NULL TSRMLS_CC);
1348 					}
1349 				}
1350 				if (env_script_name != orig_script_name) {
1351 					if (orig_script_name) {
1352 						_sapi_cgibin_putenv("ORIG_SCRIPT_NAME", orig_script_name TSRMLS_CC);
1353 					}
1354 					SG(request_info).request_uri = _sapi_cgibin_putenv("SCRIPT_NAME", env_script_name TSRMLS_CC);
1355 				} else {
1356 					SG(request_info).request_uri = env_script_name;
1357 				}
1358 				free(real_path);
1359 			}
1360 		} else {
1361 			/* pre 4.3 behaviour, shouldn't be used but provides BC */
1362 			if (env_path_info) {
1363 				SG(request_info).request_uri = env_path_info;
1364 			} else {
1365 				SG(request_info).request_uri = env_script_name;
1366 			}
1367 			if (!CGIG(discard_path) && env_path_translated) {
1368 				script_path_translated = env_path_translated;
1369 			}
1370 		}
1371 
1372 		if (is_valid_path(script_path_translated)) {
1373 			SG(request_info).path_translated = estrdup(script_path_translated);
1374 		}
1375 
1376 		SG(request_info).request_method = sapi_cgibin_getenv("REQUEST_METHOD", sizeof("REQUEST_METHOD") - 1 TSRMLS_CC);
1377 		/* FIXME - Work out proto_num here */
1378 		SG(request_info).query_string = sapi_cgibin_getenv("QUERY_STRING", sizeof("QUERY_STRING") - 1 TSRMLS_CC);
1379 		SG(request_info).content_type = (content_type ? content_type : "" );
1380 		SG(request_info).content_length = (content_length ? atol(content_length) : 0);
1381 
1382 		/* The CGI RFC allows servers to pass on unvalidated Authorization data */
1383 		auth = sapi_cgibin_getenv("HTTP_AUTHORIZATION", sizeof("HTTP_AUTHORIZATION") - 1 TSRMLS_CC);
1384 		php_handle_auth_data(auth TSRMLS_CC);
1385 	}
1386 
1387 	/* INI stuff */
1388 	ini = sapi_cgibin_getenv("PHP_VALUE", sizeof("PHP_VALUE") - 1 TSRMLS_CC);
1389 	if (ini) {
1390 		int mode = ZEND_INI_USER;
1391 		char *tmp;
1392 		spprintf(&tmp, 0, "%s\n", ini);
1393 		zend_parse_ini_string(tmp, 1, ZEND_INI_SCANNER_NORMAL, (zend_ini_parser_cb_t)fastcgi_ini_parser, &mode TSRMLS_CC);
1394 		efree(tmp);
1395 	}
1396 
1397 	ini = sapi_cgibin_getenv("PHP_ADMIN_VALUE", sizeof("PHP_ADMIN_VALUE") - 1 TSRMLS_CC);
1398 	if (ini) {
1399 		int mode = ZEND_INI_SYSTEM;
1400 		char *tmp;
1401 		spprintf(&tmp, 0, "%s\n", ini);
1402 		zend_parse_ini_string(tmp, 1, ZEND_INI_SCANNER_NORMAL, (zend_ini_parser_cb_t)fastcgi_ini_parser, &mode TSRMLS_CC);
1403 		efree(tmp);
1404 	}
1405 }
1406 /* }}} */
1407 
1408 static void fastcgi_ini_parser(zval *arg1, zval *arg2, zval *arg3, int callback_type, void *arg TSRMLS_DC) /* {{{ */
1409 {
1410 	int *mode = (int *)arg;
1411 	char *key;
1412 	char *value = NULL;
1413 	struct key_value_s kv;
1414 
1415 	if (!mode || !arg1) return;
1416 
1417 	if (callback_type != ZEND_INI_PARSER_ENTRY) {
1418 		zlog(ZLOG_ERROR, "Passing INI directive through FastCGI: only classic entries are allowed");
1419 		return;
1420 	}
1421 
1422 	key = Z_STRVAL_P(arg1);
1423 
1424 	if (!key || strlen(key) < 1) {
1425 		zlog(ZLOG_ERROR, "Passing INI directive through FastCGI: empty key");
1426 		return;
1427 	}
1428 
1429 	if (arg2) {
1430 		value = Z_STRVAL_P(arg2);
1431 	}
1432 
1433 	if (!value) {
1434 		zlog(ZLOG_ERROR, "Passing INI directive through FastCGI: empty value for key '%s'", key);
1435 		return;
1436 	}
1437 
1438 	kv.key = key;
1439 	kv.value = value;
1440 	kv.next = NULL;
1441 	if (fpm_php_apply_defines_ex(&kv, *mode) == -1) {
1442 		zlog(ZLOG_ERROR, "Passing INI directive through FastCGI: unable to set '%s'", key);
1443 	}
1444 }
1445 /* }}} */
1446 
1447 PHP_INI_BEGIN()
1448 	STD_PHP_INI_ENTRY("cgi.rfc2616_headers",     "0",  PHP_INI_ALL,    OnUpdateBool,   rfc2616_headers, php_cgi_globals_struct, php_cgi_globals)
1449 	STD_PHP_INI_ENTRY("cgi.nph",                 "0",  PHP_INI_ALL,    OnUpdateBool,   nph, php_cgi_globals_struct, php_cgi_globals)
1450 	STD_PHP_INI_ENTRY("cgi.force_redirect",      "1",  PHP_INI_SYSTEM, OnUpdateBool,   force_redirect, php_cgi_globals_struct, php_cgi_globals)
1451 	STD_PHP_INI_ENTRY("cgi.redirect_status_env", NULL, PHP_INI_SYSTEM, OnUpdateString, redirect_status_env, php_cgi_globals_struct, php_cgi_globals)
1452 	STD_PHP_INI_ENTRY("cgi.fix_pathinfo",        "1",  PHP_INI_SYSTEM, OnUpdateBool,   fix_pathinfo, php_cgi_globals_struct, php_cgi_globals)
1453 	STD_PHP_INI_ENTRY("cgi.discard_path",        "0",  PHP_INI_SYSTEM, OnUpdateBool,   discard_path, php_cgi_globals_struct, php_cgi_globals)
1454 	STD_PHP_INI_ENTRY("fastcgi.logging",         "1",  PHP_INI_SYSTEM, OnUpdateBool,   fcgi_logging, php_cgi_globals_struct, php_cgi_globals)
1455 	STD_PHP_INI_ENTRY("fastcgi.error_header",    NULL, PHP_INI_SYSTEM, OnUpdateString, error_header, php_cgi_globals_struct, php_cgi_globals)
1456 	STD_PHP_INI_ENTRY("fpm.config",    NULL, PHP_INI_SYSTEM, OnUpdateString, fpm_config, php_cgi_globals_struct, php_cgi_globals)
1457 PHP_INI_END()
1458 
1459 /* {{{ php_cgi_globals_ctor
1460  */
1461 static void php_cgi_globals_ctor(php_cgi_globals_struct *php_cgi_globals TSRMLS_DC)
1462 {
1463 	php_cgi_globals->rfc2616_headers = 0;
1464 	php_cgi_globals->nph = 0;
1465 	php_cgi_globals->force_redirect = 1;
1466 	php_cgi_globals->redirect_status_env = NULL;
1467 	php_cgi_globals->fix_pathinfo = 1;
1468 	php_cgi_globals->discard_path = 0;
1469 	php_cgi_globals->fcgi_logging = 1;
1470 	zend_hash_init(&php_cgi_globals->user_config_cache, 0, NULL, (dtor_func_t) user_config_cache_entry_dtor, 1);
1471 	php_cgi_globals->error_header = NULL;
1472 	php_cgi_globals->fpm_config = NULL;
1473 }
1474 /* }}} */
1475 
1476 /* {{{ PHP_MINIT_FUNCTION
1477  */
1478 static PHP_MINIT_FUNCTION(cgi)
1479 {
1480 #ifdef ZTS
1481 	ts_allocate_id(&php_cgi_globals_id, sizeof(php_cgi_globals_struct), (ts_allocate_ctor) php_cgi_globals_ctor, NULL);
1482 #else
1483 	php_cgi_globals_ctor(&php_cgi_globals TSRMLS_CC);
1484 #endif
1485 	REGISTER_INI_ENTRIES();
1486 	return SUCCESS;
1487 }
1488 /* }}} */
1489 
1490 /* {{{ PHP_MSHUTDOWN_FUNCTION
1491  */
1492 static PHP_MSHUTDOWN_FUNCTION(cgi)
1493 {
1494 	zend_hash_destroy(&CGIG(user_config_cache));
1495 
1496 	UNREGISTER_INI_ENTRIES();
1497 	return SUCCESS;
1498 }
1499 /* }}} */
1500 
1501 /* {{{ PHP_MINFO_FUNCTION
1502  */
1503 static PHP_MINFO_FUNCTION(cgi)
1504 {
1505 	php_info_print_table_start();
1506 	php_info_print_table_row(2, "php-fpm", "active");
1507 	php_info_print_table_end();
1508 
1509 	DISPLAY_INI_ENTRIES();
1510 }
1511 /* }}} */
1512 
1513 PHP_FUNCTION(fastcgi_finish_request) /* {{{ */
1514 {
1515 	fcgi_request *request = (fcgi_request*) SG(server_context);
1516 
1517 	if (request->fd >= 0) {
1518 
1519 		php_output_end_all(TSRMLS_C);
1520 		php_header(TSRMLS_C);
1521 
1522 		fcgi_flush(request, 1);
1523 		fcgi_close(request, 0, 0);
1524 		RETURN_TRUE;
1525 	}
1526 
1527 	RETURN_FALSE;
1528 
1529 }
1530 /* }}} */
1531 
1532 static const zend_function_entry cgi_fcgi_sapi_functions[] = {
1533 	PHP_FE(fastcgi_finish_request,              NULL)
1534 	{NULL, NULL, NULL}
1535 };
1536 
1537 static zend_module_entry cgi_module_entry = {
1538 	STANDARD_MODULE_HEADER,
1539 	"cgi-fcgi",
1540 	cgi_fcgi_sapi_functions,
1541 	PHP_MINIT(cgi),
1542 	PHP_MSHUTDOWN(cgi),
1543 	NULL,
1544 	NULL,
1545 	PHP_MINFO(cgi),
1546 	NO_VERSION_YET,
1547 	STANDARD_MODULE_PROPERTIES
1548 };
1549 
1550 /* {{{ main
1551  */
1552 int main(int argc, char *argv[])
1553 {
1554 	int exit_status = FPM_EXIT_OK;
1555 	int cgi = 0, c, use_extended_info = 0;
1556 	zend_file_handle file_handle;
1557 
1558 	/* temporary locals */
1559 	int orig_optind = php_optind;
1560 	char *orig_optarg = php_optarg;
1561 	int ini_entries_len = 0;
1562 	/* end of temporary locals */
1563 
1564 #ifdef ZTS
1565 	void ***tsrm_ls;
1566 #endif
1567 
1568 	int max_requests = 500;
1569 	int requests = 0;
1570 	int fcgi_fd = 0;
1571 	fcgi_request request;
1572 	char *fpm_config = NULL;
1573 	char *fpm_prefix = NULL;
1574 	char *fpm_pid = NULL;
1575 	int test_conf = 0;
1576 	int force_daemon = -1;
1577 	int php_information = 0;
1578 	int php_allow_to_run_as_root = 0;
1579 
1580 #ifdef HAVE_SIGNAL_H
1581 #if defined(SIGPIPE) && defined(SIG_IGN)
1582 	signal(SIGPIPE, SIG_IGN); /* ignore SIGPIPE in standalone mode so
1583 								that sockets created via fsockopen()
1584 								don't kill PHP if the remote site
1585 								closes it.  in apache|apxs mode apache
1586 								does that for us!  thies@thieso.net
1587 								20000419 */
1588 #endif
1589 #endif
1590 
1591 #ifdef ZTS
1592 	tsrm_startup(1, 1, 0, NULL);
1593 	tsrm_ls = ts_resource(0);
1594 #endif
1595 
1596 	sapi_startup(&cgi_sapi_module);
1597 	cgi_sapi_module.php_ini_path_override = NULL;
1598 	cgi_sapi_module.php_ini_ignore_cwd = 1;
1599 
1600 	fcgi_init();
1601 
1602 #ifdef PHP_WIN32
1603 	_fmode = _O_BINARY; /* sets default for file streams to binary */
1604 	setmode(_fileno(stdin),  O_BINARY);	/* make the stdio mode be binary */
1605 	setmode(_fileno(stdout), O_BINARY);	/* make the stdio mode be binary */
1606 	setmode(_fileno(stderr), O_BINARY);	/* make the stdio mode be binary */
1607 #endif
1608 
1609 	while ((c = php_getopt(argc, argv, OPTIONS, &php_optarg, &php_optind, 0, 2)) != -1) {
1610 		switch (c) {
1611 			case 'c':
1612 				if (cgi_sapi_module.php_ini_path_override) {
1613 					free(cgi_sapi_module.php_ini_path_override);
1614 				}
1615 				cgi_sapi_module.php_ini_path_override = strdup(php_optarg);
1616 				break;
1617 
1618 			case 'n':
1619 				cgi_sapi_module.php_ini_ignore = 1;
1620 				break;
1621 
1622 			case 'd': {
1623 				/* define ini entries on command line */
1624 				int len = strlen(php_optarg);
1625 				char *val;
1626 
1627 				if ((val = strchr(php_optarg, '='))) {
1628 					val++;
1629 					if (!isalnum(*val) && *val != '"' && *val != '\'' && *val != '\0') {
1630 						cgi_sapi_module.ini_entries = realloc(cgi_sapi_module.ini_entries, ini_entries_len + len + sizeof("\"\"\n\0"));
1631 						memcpy(cgi_sapi_module.ini_entries + ini_entries_len, php_optarg, (val - php_optarg));
1632 						ini_entries_len += (val - php_optarg);
1633 						memcpy(cgi_sapi_module.ini_entries + ini_entries_len, "\"", 1);
1634 						ini_entries_len++;
1635 						memcpy(cgi_sapi_module.ini_entries + ini_entries_len, val, len - (val - php_optarg));
1636 						ini_entries_len += len - (val - php_optarg);
1637 						memcpy(cgi_sapi_module.ini_entries + ini_entries_len, "\"\n\0", sizeof("\"\n\0"));
1638 						ini_entries_len += sizeof("\n\0\"") - 2;
1639 					} else {
1640 						cgi_sapi_module.ini_entries = realloc(cgi_sapi_module.ini_entries, ini_entries_len + len + sizeof("\n\0"));
1641 						memcpy(cgi_sapi_module.ini_entries + ini_entries_len, php_optarg, len);
1642 						memcpy(cgi_sapi_module.ini_entries + ini_entries_len + len, "\n\0", sizeof("\n\0"));
1643 						ini_entries_len += len + sizeof("\n\0") - 2;
1644 					}
1645 				} else {
1646 					cgi_sapi_module.ini_entries = realloc(cgi_sapi_module.ini_entries, ini_entries_len + len + sizeof("=1\n\0"));
1647 					memcpy(cgi_sapi_module.ini_entries + ini_entries_len, php_optarg, len);
1648 					memcpy(cgi_sapi_module.ini_entries + ini_entries_len + len, "=1\n\0", sizeof("=1\n\0"));
1649 					ini_entries_len += len + sizeof("=1\n\0") - 2;
1650 				}
1651 				break;
1652 			}
1653 
1654 			case 'y':
1655 				fpm_config = php_optarg;
1656 				break;
1657 
1658 			case 'p':
1659 				fpm_prefix = php_optarg;
1660 				break;
1661 
1662 			case 'g':
1663 				fpm_pid = php_optarg;
1664 				break;
1665 
1666 			case 'e': /* enable extended info output */
1667 				use_extended_info = 1;
1668 				break;
1669 
1670 			case 't':
1671 				test_conf++;
1672 				break;
1673 
1674 			case 'm': /* list compiled in modules */
1675 				cgi_sapi_module.startup(&cgi_sapi_module);
1676 				php_output_activate(TSRMLS_C);
1677 				SG(headers_sent) = 1;
1678 				php_printf("[PHP Modules]\n");
1679 				print_modules(TSRMLS_C);
1680 				php_printf("\n[Zend Modules]\n");
1681 				print_extensions(TSRMLS_C);
1682 				php_printf("\n");
1683 				php_output_end_all(TSRMLS_C);
1684 				php_output_deactivate(TSRMLS_C);
1685 				fcgi_shutdown();
1686 				exit_status = FPM_EXIT_OK;
1687 				goto out;
1688 
1689 			case 'i': /* php info & quit */
1690 				php_information = 1;
1691 				break;
1692 
1693 			case 'R': /* allow to run as root */
1694 				php_allow_to_run_as_root = 1;
1695 				break;
1696 
1697 			case 'D': /* daemonize */
1698 				force_daemon = 1;
1699 				break;
1700 
1701 			case 'F': /* nodaemonize */
1702 				force_daemon = 0;
1703 				break;
1704 
1705 			default:
1706 			case 'h':
1707 			case '?':
1708 				cgi_sapi_module.startup(&cgi_sapi_module);
1709 				php_output_activate(TSRMLS_C);
1710 				SG(headers_sent) = 1;
1711 				php_cgi_usage(argv[0]);
1712 				php_output_end_all(TSRMLS_C);
1713 				php_output_deactivate(TSRMLS_C);
1714 				fcgi_shutdown();
1715 				exit_status = (c == 'h') ? FPM_EXIT_OK : FPM_EXIT_USAGE;
1716 				goto out;
1717 
1718 			case 'v': /* show php version & quit */
1719 				cgi_sapi_module.startup(&cgi_sapi_module);
1720 				if (php_request_startup(TSRMLS_C) == FAILURE) {
1721 					SG(server_context) = NULL;
1722 					php_module_shutdown(TSRMLS_C);
1723 					return FPM_EXIT_SOFTWARE;
1724 				}
1725 				SG(headers_sent) = 1;
1726 				SG(request_info).no_headers = 1;
1727 
1728 #if ZEND_DEBUG
1729 				php_printf("PHP %s (%s) (built: %s %s) (DEBUG)\nCopyright (c) 1997-2014 The PHP Group\n%s", PHP_VERSION, sapi_module.name, __DATE__,        __TIME__, get_zend_version());
1730 #else
1731 				php_printf("PHP %s (%s) (built: %s %s)\nCopyright (c) 1997-2014 The PHP Group\n%s", PHP_VERSION, sapi_module.name, __DATE__, __TIME__,      get_zend_version());
1732 #endif
1733 				php_request_shutdown((void *) 0);
1734 				fcgi_shutdown();
1735 				exit_status = FPM_EXIT_OK;
1736 				goto out;
1737 		}
1738 	}
1739 
1740 	if (php_information) {
1741 		cgi_sapi_module.phpinfo_as_text = 1;
1742 		cgi_sapi_module.startup(&cgi_sapi_module);
1743 		if (php_request_startup(TSRMLS_C) == FAILURE) {
1744 			SG(server_context) = NULL;
1745 			php_module_shutdown(TSRMLS_C);
1746 			return FPM_EXIT_SOFTWARE;
1747 		}
1748 		SG(headers_sent) = 1;
1749 		SG(request_info).no_headers = 1;
1750 		php_print_info(0xFFFFFFFF TSRMLS_CC);
1751 		php_request_shutdown((void *) 0);
1752 		fcgi_shutdown();
1753 		exit_status = FPM_EXIT_OK;
1754 		goto out;
1755 	}
1756 
1757 	/* No other args are permitted here as there is no interactive mode */
1758 	if (argc != php_optind) {
1759 		cgi_sapi_module.startup(&cgi_sapi_module);
1760 		php_output_activate(TSRMLS_C);
1761 		SG(headers_sent) = 1;
1762 		php_cgi_usage(argv[0]);
1763 		php_output_end_all(TSRMLS_C);
1764 		php_output_deactivate(TSRMLS_C);
1765 		fcgi_shutdown();
1766 		exit_status = FPM_EXIT_USAGE;
1767 		goto out;
1768 	}
1769 
1770 	php_optind = orig_optind;
1771 	php_optarg = orig_optarg;
1772 
1773 #ifdef ZTS
1774 	SG(request_info).path_translated = NULL;
1775 #endif
1776 
1777 	cgi_sapi_module.additional_functions = additional_functions;
1778 	cgi_sapi_module.executable_location = argv[0];
1779 
1780 	/* startup after we get the above ini override se we get things right */
1781 	if (cgi_sapi_module.startup(&cgi_sapi_module) == FAILURE) {
1782 #ifdef ZTS
1783 		tsrm_shutdown();
1784 #endif
1785 		return FPM_EXIT_SOFTWARE;
1786 	}
1787 
1788 	if (use_extended_info) {
1789 		CG(compiler_options) |= ZEND_COMPILE_EXTENDED_INFO;
1790 	}
1791 
1792 	/* check force_cgi after startup, so we have proper output */
1793 	if (cgi && CGIG(force_redirect)) {
1794 		/* Apache will generate REDIRECT_STATUS,
1795 		 * Netscape and redirect.so will generate HTTP_REDIRECT_STATUS.
1796 		 * redirect.so and installation instructions available from
1797 		 * http://www.koehntopp.de/php.
1798 		 *   -- kk@netuse.de
1799 		 */
1800 		if (!getenv("REDIRECT_STATUS") &&
1801 			!getenv ("HTTP_REDIRECT_STATUS") &&
1802 			/* this is to allow a different env var to be configured
1803 			 * in case some server does something different than above */
1804 			(!CGIG(redirect_status_env) || !getenv(CGIG(redirect_status_env)))
1805 		) {
1806 			zend_try {
1807 				SG(sapi_headers).http_response_code = 400;
1808 				PUTS("<b>Security Alert!</b> The PHP CGI cannot be accessed directly.\n\n\
1809 <p>This PHP CGI binary was compiled with force-cgi-redirect enabled.  This\n\
1810 means that a page will only be served up if the REDIRECT_STATUS CGI variable is\n\
1811 set, e.g. via an Apache Action directive.</p>\n\
1812 <p>For more information as to <i>why</i> this behaviour exists, see the <a href=\"http://php.net/security.cgi-bin\">\
1813 manual page for CGI security</a>.</p>\n\
1814 <p>For more information about changing this behaviour or re-enabling this webserver,\n\
1815 consult the installation file that came with this distribution, or visit \n\
1816 <a href=\"http://php.net/install.windows\">the manual page</a>.</p>\n");
1817 			} zend_catch {
1818 			} zend_end_try();
1819 #if defined(ZTS) && !defined(PHP_DEBUG)
1820 			/* XXX we're crashing here in msvc6 debug builds at
1821 			 * php_message_handler_for_zend:839 because
1822 			 * SG(request_info).path_translated is an invalid pointer.
1823 			 * It still happens even though I set it to null, so something
1824 			 * weird is going on.
1825 			 */
1826 			tsrm_shutdown();
1827 #endif
1828 			return FPM_EXIT_SOFTWARE;
1829 		}
1830 	}
1831 
1832 	if (0 > fpm_init(argc, argv, fpm_config ? fpm_config : CGIG(fpm_config), fpm_prefix, fpm_pid, test_conf, php_allow_to_run_as_root, force_daemon)) {
1833 
1834 		if (fpm_globals.send_config_pipe[1]) {
1835 			int writeval = 0;
1836 			zlog(ZLOG_DEBUG, "Sending \"0\" (error) to parent via fd=%d", fpm_globals.send_config_pipe[1]);
1837 			write(fpm_globals.send_config_pipe[1], &writeval, sizeof(writeval));
1838 			close(fpm_globals.send_config_pipe[1]);
1839 		}
1840 		return FPM_EXIT_CONFIG;
1841 	}
1842 
1843 	if (fpm_globals.send_config_pipe[1]) {
1844 		int writeval = 1;
1845 		zlog(ZLOG_DEBUG, "Sending \"1\" (OK) to parent via fd=%d", fpm_globals.send_config_pipe[1]);
1846 		write(fpm_globals.send_config_pipe[1], &writeval, sizeof(writeval));
1847 		close(fpm_globals.send_config_pipe[1]);
1848 	}
1849 	fpm_is_running = 1;
1850 
1851 	fcgi_fd = fpm_run(&max_requests);
1852 	parent = 0;
1853 
1854 	/* onced forked tell zlog to also send messages through sapi_cgi_log_fastcgi() */
1855 	zlog_set_external_logger(sapi_cgi_log_fastcgi);
1856 
1857 	/* make php call us to get _ENV vars */
1858 	php_php_import_environment_variables = php_import_environment_variables;
1859 	php_import_environment_variables = cgi_php_import_environment_variables;
1860 
1861 	/* library is already initialized, now init our request */
1862 	fcgi_init_request(&request, fcgi_fd);
1863 
1864 	zend_first_try {
1865 		while (fcgi_accept_request(&request) >= 0) {
1866 			request_body_fd = -1;
1867 			SG(server_context) = (void *) &request;
1868 			init_request_info(TSRMLS_C);
1869 			CG(interactive) = 0;
1870 			char *primary_script = NULL;
1871 
1872 			fpm_request_info();
1873 
1874 			/* request startup only after we've done all we can to
1875 			 *            get path_translated */
1876 			if (php_request_startup(TSRMLS_C) == FAILURE) {
1877 				fcgi_finish_request(&request, 1);
1878 				SG(server_context) = NULL;
1879 				php_module_shutdown(TSRMLS_C);
1880 				return FPM_EXIT_SOFTWARE;
1881 			}
1882 
1883 			/* check if request_method has been sent.
1884 			 * if not, it's certainly not an HTTP over fcgi request */
1885 			if (!SG(request_info).request_method) {
1886 				goto fastcgi_request_done;
1887 			}
1888 
1889 			if (fpm_status_handle_request(TSRMLS_C)) {
1890 				goto fastcgi_request_done;
1891 			}
1892 
1893 			/* If path_translated is NULL, terminate here with a 404 */
1894 			if (!SG(request_info).path_translated) {
1895 				zend_try {
1896 					zlog(ZLOG_DEBUG, "Primary script unknown");
1897 					SG(sapi_headers).http_response_code = 404;
1898 					PUTS("File not found.\n");
1899 				} zend_catch {
1900 				} zend_end_try();
1901 				goto fastcgi_request_done;
1902 			}
1903 
1904 			if (fpm_php_limit_extensions(SG(request_info).path_translated)) {
1905 				SG(sapi_headers).http_response_code = 403;
1906 				PUTS("Access denied.\n");
1907 				goto fastcgi_request_done;
1908 			}
1909 
1910 			/*
1911 			 * have to duplicate SG(request_info).path_translated to be able to log errrors
1912 			 * php_fopen_primary_script seems to delete SG(request_info).path_translated on failure
1913 			 */
1914 			primary_script = estrdup(SG(request_info).path_translated);
1915 
1916 			/* path_translated exists, we can continue ! */
1917 			if (php_fopen_primary_script(&file_handle TSRMLS_CC) == FAILURE) {
1918 				zend_try {
1919 					zlog(ZLOG_ERROR, "Unable to open primary script: %s (%s)", primary_script, strerror(errno));
1920 					if (errno == EACCES) {
1921 						SG(sapi_headers).http_response_code = 403;
1922 						PUTS("Access denied.\n");
1923 					} else {
1924 						SG(sapi_headers).http_response_code = 404;
1925 						PUTS("No input file specified.\n");
1926 					}
1927 				} zend_catch {
1928 				} zend_end_try();
1929 				/* we want to serve more requests if this is fastcgi
1930 				 * so cleanup and continue, request shutdown is
1931 				 * handled later */
1932 
1933 				goto fastcgi_request_done;
1934 			}
1935 
1936 			fpm_request_executing();
1937 
1938 			php_execute_script(&file_handle TSRMLS_CC);
1939 
1940 fastcgi_request_done:
1941 			if (primary_script) {
1942 				efree(primary_script);
1943 			}
1944 
1945 			if (request_body_fd != -1) {
1946 				close(request_body_fd);
1947 			}
1948 			request_body_fd = -2;
1949 
1950 			if (EG(exit_status) == 255) {
1951 				if (CGIG(error_header) && *CGIG(error_header)) {
1952 					sapi_header_line ctr = {0};
1953 
1954 					ctr.line = CGIG(error_header);
1955 					ctr.line_len = strlen(CGIG(error_header));
1956 					sapi_header_op(SAPI_HEADER_REPLACE, &ctr TSRMLS_CC);
1957 				}
1958 			}
1959 
1960 			fpm_request_end(TSRMLS_C);
1961 			fpm_log_write(NULL TSRMLS_CC);
1962 
1963 			STR_FREE(SG(request_info).path_translated);
1964 			SG(request_info).path_translated = NULL;
1965 
1966 			php_request_shutdown((void *) 0);
1967 
1968 			requests++;
1969 			if (max_requests && (requests == max_requests)) {
1970 				fcgi_finish_request(&request, 1);
1971 				break;
1972 			}
1973 			/* end of fastcgi loop */
1974 		}
1975 		fcgi_shutdown();
1976 
1977 		if (cgi_sapi_module.php_ini_path_override) {
1978 			free(cgi_sapi_module.php_ini_path_override);
1979 		}
1980 		if (cgi_sapi_module.ini_entries) {
1981 			free(cgi_sapi_module.ini_entries);
1982 		}
1983 	} zend_catch {
1984 		exit_status = FPM_EXIT_SOFTWARE;
1985 	} zend_end_try();
1986 
1987 out:
1988 
1989 	SG(server_context) = NULL;
1990 	if (parent) {
1991 		php_module_shutdown(TSRMLS_C);
1992 		sapi_shutdown();
1993 	}
1994 
1995 #ifdef ZTS
1996 	tsrm_shutdown();
1997 #endif
1998 
1999 #if defined(PHP_WIN32) && ZEND_DEBUG && 0
2000 	_CrtDumpMemoryLeaks();
2001 #endif
2002 
2003 	return exit_status;
2004 }
2005 /* }}} */
2006 
2007 /*
2008  * Local variables:
2009  * tab-width: 4
2010  * c-basic-offset: 4
2011  * End:
2012  * vim600: sw=4 ts=4 fdm=marker
2013  * vim<600: sw=4 ts=4
2014  */
2015