1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2016 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 {'O', 0, "force-stderr"},
161 {'-', 0, NULL} /* end of args */
162 };
163
164 typedef struct _php_cgi_globals_struct {
165 zend_bool rfc2616_headers;
166 zend_bool nph;
167 zend_bool fix_pathinfo;
168 zend_bool force_redirect;
169 zend_bool discard_path;
170 zend_bool fcgi_logging;
171 char *redirect_status_env;
172 HashTable user_config_cache;
173 char *error_header;
174 char *fpm_config;
175 } php_cgi_globals_struct;
176
177 /* {{{ user_config_cache
178 *
179 * Key for each cache entry is dirname(PATH_TRANSLATED).
180 *
181 * NOTE: Each cache entry config_hash contains the combination from all user ini files found in
182 * the path starting from doc_root throught to dirname(PATH_TRANSLATED). There is no point
183 * storing per-file entries as it would not be possible to detect added / deleted entries
184 * between separate files.
185 */
186 typedef struct _user_config_cache_entry {
187 time_t expires;
188 HashTable *user_config;
189 } user_config_cache_entry;
190
user_config_cache_entry_dtor(user_config_cache_entry * entry)191 static void user_config_cache_entry_dtor(user_config_cache_entry *entry)
192 {
193 zend_hash_destroy(entry->user_config);
194 free(entry->user_config);
195 }
196 /* }}} */
197
198 #ifdef ZTS
199 static int php_cgi_globals_id;
200 #define CGIG(v) TSRMG(php_cgi_globals_id, php_cgi_globals_struct *, v)
201 #else
202 static php_cgi_globals_struct php_cgi_globals;
203 #define CGIG(v) (php_cgi_globals.v)
204 #endif
205
206 #ifdef PHP_WIN32
207 #define TRANSLATE_SLASHES(path) \
208 { \
209 char *tmp = path; \
210 while (*tmp) { \
211 if (*tmp == '\\') *tmp = '/'; \
212 tmp++; \
213 } \
214 }
215 #else
216 #define TRANSLATE_SLASHES(path)
217 #endif
218
print_module_info(zend_module_entry * module,void * arg TSRMLS_DC)219 static int print_module_info(zend_module_entry *module, void *arg TSRMLS_DC)
220 {
221 php_printf("%s\n", module->name);
222 return 0;
223 }
224
module_name_cmp(const void * a,const void * b TSRMLS_DC)225 static int module_name_cmp(const void *a, const void *b TSRMLS_DC)
226 {
227 Bucket *f = *((Bucket **) a);
228 Bucket *s = *((Bucket **) b);
229
230 return strcasecmp( ((zend_module_entry *)f->pData)->name,
231 ((zend_module_entry *)s->pData)->name);
232 }
233
print_modules(TSRMLS_D)234 static void print_modules(TSRMLS_D)
235 {
236 HashTable sorted_registry;
237 zend_module_entry tmp;
238
239 zend_hash_init(&sorted_registry, 50, NULL, NULL, 1);
240 zend_hash_copy(&sorted_registry, &module_registry, NULL, &tmp, sizeof(zend_module_entry));
241 zend_hash_sort(&sorted_registry, zend_qsort, module_name_cmp, 0 TSRMLS_CC);
242 zend_hash_apply_with_argument(&sorted_registry, (apply_func_arg_t) print_module_info, NULL TSRMLS_CC);
243 zend_hash_destroy(&sorted_registry);
244 }
245
print_extension_info(zend_extension * ext,void * arg TSRMLS_DC)246 static int print_extension_info(zend_extension *ext, void *arg TSRMLS_DC)
247 {
248 php_printf("%s\n", ext->name);
249 return 0;
250 }
251
extension_name_cmp(const zend_llist_element ** f,const zend_llist_element ** s TSRMLS_DC)252 static int extension_name_cmp(const zend_llist_element **f, const zend_llist_element **s TSRMLS_DC)
253 {
254 return strcmp( ((zend_extension *)(*f)->data)->name,
255 ((zend_extension *)(*s)->data)->name);
256 }
257
print_extensions(TSRMLS_D)258 static void print_extensions(TSRMLS_D)
259 {
260 zend_llist sorted_exts;
261
262 zend_llist_copy(&sorted_exts, &zend_extensions);
263 sorted_exts.dtor = NULL;
264 zend_llist_sort(&sorted_exts, extension_name_cmp TSRMLS_CC);
265 zend_llist_apply_with_argument(&sorted_exts, (llist_apply_with_arg_func_t) print_extension_info, NULL TSRMLS_CC);
266 zend_llist_destroy(&sorted_exts);
267 }
268
269 #ifndef STDOUT_FILENO
270 #define STDOUT_FILENO 1
271 #endif
272
sapi_cgibin_single_write(const char * str,uint str_length TSRMLS_DC)273 static inline size_t sapi_cgibin_single_write(const char *str, uint str_length TSRMLS_DC)
274 {
275 ssize_t ret;
276
277 /* sapi has started which means everyhting must be send through fcgi */
278 if (fpm_is_running) {
279 fcgi_request *request = (fcgi_request*) SG(server_context);
280 ret = fcgi_write(request, FCGI_STDOUT, str, str_length);
281 if (ret <= 0) {
282 return 0;
283 }
284 return (size_t)ret;
285 }
286
287 /* sapi has not started, output to stdout instead of fcgi */
288 #ifdef PHP_WRITE_STDOUT
289 ret = write(STDOUT_FILENO, str, str_length);
290 if (ret <= 0) {
291 return 0;
292 }
293 return (size_t)ret;
294 #else
295 return fwrite(str, 1, MIN(str_length, 16384), stdout);
296 #endif
297 }
298
sapi_cgibin_ub_write(const char * str,uint str_length TSRMLS_DC)299 static int sapi_cgibin_ub_write(const char *str, uint str_length TSRMLS_DC)
300 {
301 const char *ptr = str;
302 uint remaining = str_length;
303 size_t ret;
304
305 while (remaining > 0) {
306 ret = sapi_cgibin_single_write(ptr, remaining TSRMLS_CC);
307 if (!ret) {
308 php_handle_aborted_connection();
309 return str_length - remaining;
310 }
311 ptr += ret;
312 remaining -= ret;
313 }
314
315 return str_length;
316 }
317
318
sapi_cgibin_flush(void * server_context)319 static void sapi_cgibin_flush(void *server_context)
320 {
321 /* fpm has started, let use fcgi instead of stdout */
322 if (fpm_is_running) {
323 fcgi_request *request = (fcgi_request*) server_context;
324 if (
325 #ifndef PHP_WIN32
326 !parent &&
327 #endif
328 request && !fcgi_flush(request, 0)) {
329 php_handle_aborted_connection();
330 }
331 return;
332 }
333
334 /* fpm has not started yet, let use stdout instead of fcgi */
335 if (fflush(stdout) == EOF) {
336 php_handle_aborted_connection();
337 }
338 }
339
340 #define SAPI_CGI_MAX_HEADER_LENGTH 1024
341
342 typedef struct _http_error {
343 int code;
344 const char* msg;
345 } http_error;
346
347 static const http_error http_error_codes[] = {
348 {100, "Continue"},
349 {101, "Switching Protocols"},
350 {200, "OK"},
351 {201, "Created"},
352 {202, "Accepted"},
353 {203, "Non-Authoritative Information"},
354 {204, "No Content"},
355 {205, "Reset Content"},
356 {206, "Partial Content"},
357 {300, "Multiple Choices"},
358 {301, "Moved Permanently"},
359 {302, "Moved Temporarily"},
360 {303, "See Other"},
361 {304, "Not Modified"},
362 {305, "Use Proxy"},
363 {400, "Bad Request"},
364 {401, "Unauthorized"},
365 {402, "Payment Required"},
366 {403, "Forbidden"},
367 {404, "Not Found"},
368 {405, "Method Not Allowed"},
369 {406, "Not Acceptable"},
370 {407, "Proxy Authentication Required"},
371 {408, "Request Time-out"},
372 {409, "Conflict"},
373 {410, "Gone"},
374 {411, "Length Required"},
375 {412, "Precondition Failed"},
376 {413, "Request Entity Too Large"},
377 {414, "Request-URI Too Large"},
378 {415, "Unsupported Media Type"},
379 {428, "Precondition Required"},
380 {429, "Too Many Requests"},
381 {431, "Request Header Fields Too Large"},
382 {451, "Unavailable For Legal Reasons"},
383 {500, "Internal Server Error"},
384 {501, "Not Implemented"},
385 {502, "Bad Gateway"},
386 {503, "Service Unavailable"},
387 {504, "Gateway Time-out"},
388 {505, "HTTP Version not supported"},
389 {511, "Network Authentication Required"},
390 {0, NULL}
391 };
392
sapi_cgi_send_headers(sapi_headers_struct * sapi_headers TSRMLS_DC)393 static int sapi_cgi_send_headers(sapi_headers_struct *sapi_headers TSRMLS_DC)
394 {
395 char buf[SAPI_CGI_MAX_HEADER_LENGTH];
396 sapi_header_struct *h;
397 zend_llist_position pos;
398 zend_bool ignore_status = 0;
399 int response_status = SG(sapi_headers).http_response_code;
400
401 if (SG(request_info).no_headers == 1) {
402 return SAPI_HEADER_SENT_SUCCESSFULLY;
403 }
404
405 if (CGIG(nph) || SG(sapi_headers).http_response_code != 200)
406 {
407 int len;
408 zend_bool has_status = 0;
409
410 if (CGIG(rfc2616_headers) && SG(sapi_headers).http_status_line) {
411 char *s;
412 len = slprintf(buf, SAPI_CGI_MAX_HEADER_LENGTH, "%s\r\n", SG(sapi_headers).http_status_line);
413 if ((s = strchr(SG(sapi_headers).http_status_line, ' '))) {
414 response_status = atoi((s + 1));
415 }
416
417 if (len > SAPI_CGI_MAX_HEADER_LENGTH) {
418 len = SAPI_CGI_MAX_HEADER_LENGTH;
419 }
420
421 } else {
422 char *s;
423
424 if (SG(sapi_headers).http_status_line &&
425 (s = strchr(SG(sapi_headers).http_status_line, ' ')) != 0 &&
426 (s - SG(sapi_headers).http_status_line) >= 5 &&
427 strncasecmp(SG(sapi_headers).http_status_line, "HTTP/", 5) == 0
428 ) {
429 len = slprintf(buf, sizeof(buf), "Status:%s\r\n", s);
430 response_status = atoi((s + 1));
431 } else {
432 h = (sapi_header_struct*)zend_llist_get_first_ex(&sapi_headers->headers, &pos);
433 while (h) {
434 if (h->header_len > sizeof("Status:") - 1 &&
435 strncasecmp(h->header, "Status:", sizeof("Status:") - 1) == 0
436 ) {
437 has_status = 1;
438 break;
439 }
440 h = (sapi_header_struct*)zend_llist_get_next_ex(&sapi_headers->headers, &pos);
441 }
442 if (!has_status) {
443 http_error *err = (http_error*)http_error_codes;
444
445 while (err->code != 0) {
446 if (err->code == SG(sapi_headers).http_response_code) {
447 break;
448 }
449 err++;
450 }
451 if (err->msg) {
452 len = slprintf(buf, sizeof(buf), "Status: %d %s\r\n", SG(sapi_headers).http_response_code, err->msg);
453 } else {
454 len = slprintf(buf, sizeof(buf), "Status: %d\r\n", SG(sapi_headers).http_response_code);
455 }
456 }
457 }
458 }
459
460 if (!has_status) {
461 PHPWRITE_H(buf, len);
462 ignore_status = 1;
463 }
464 }
465
466 h = (sapi_header_struct*)zend_llist_get_first_ex(&sapi_headers->headers, &pos);
467 while (h) {
468 /* prevent CRLFCRLF */
469 if (h->header_len) {
470 if (h->header_len > sizeof("Status:") - 1 &&
471 strncasecmp(h->header, "Status:", sizeof("Status:") - 1) == 0
472 ) {
473 if (!ignore_status) {
474 ignore_status = 1;
475 PHPWRITE_H(h->header, h->header_len);
476 PHPWRITE_H("\r\n", 2);
477 }
478 } else if (response_status == 304 && h->header_len > sizeof("Content-Type:") - 1 &&
479 strncasecmp(h->header, "Content-Type:", sizeof("Content-Type:") - 1) == 0
480 ) {
481 h = (sapi_header_struct*)zend_llist_get_next_ex(&sapi_headers->headers, &pos);
482 continue;
483 } else {
484 PHPWRITE_H(h->header, h->header_len);
485 PHPWRITE_H("\r\n", 2);
486 }
487 }
488 h = (sapi_header_struct*)zend_llist_get_next_ex(&sapi_headers->headers, &pos);
489 }
490 PHPWRITE_H("\r\n", 2);
491
492 return SAPI_HEADER_SENT_SUCCESSFULLY;
493 }
494
495 #ifndef STDIN_FILENO
496 # define STDIN_FILENO 0
497 #endif
498
sapi_cgi_read_post(char * buffer,uint count_bytes TSRMLS_DC)499 static int sapi_cgi_read_post(char *buffer, uint count_bytes TSRMLS_DC)
500 {
501 uint read_bytes = 0;
502 int tmp_read_bytes;
503 size_t remaining = SG(request_info).content_length - SG(read_post_bytes);
504
505 if (remaining < count_bytes) {
506 count_bytes = remaining;
507 }
508 while (read_bytes < count_bytes) {
509 fcgi_request *request = (fcgi_request*) SG(server_context);
510 if (request_body_fd == -1) {
511 char *request_body_filename = sapi_cgibin_getenv((char *) "REQUEST_BODY_FILE",
512 sizeof("REQUEST_BODY_FILE") - 1 TSRMLS_CC);
513
514 if (request_body_filename && *request_body_filename) {
515 request_body_fd = open(request_body_filename, O_RDONLY);
516
517 if (0 > request_body_fd) {
518 php_error(E_WARNING, "REQUEST_BODY_FILE: open('%s') failed: %s (%d)",
519 request_body_filename, strerror(errno), errno);
520 return 0;
521 }
522 }
523 }
524
525 /* If REQUEST_BODY_FILE variable not available - read post body from fastcgi stream */
526 if (request_body_fd < 0) {
527 tmp_read_bytes = fcgi_read(request, buffer + read_bytes, count_bytes - read_bytes);
528 } else {
529 tmp_read_bytes = read(request_body_fd, buffer + read_bytes, count_bytes - read_bytes);
530 }
531 if (tmp_read_bytes <= 0) {
532 break;
533 }
534 read_bytes += tmp_read_bytes;
535 }
536 return read_bytes;
537 }
538
sapi_cgibin_getenv(char * name,size_t name_len TSRMLS_DC)539 static char *sapi_cgibin_getenv(char *name, size_t name_len TSRMLS_DC)
540 {
541 /* if fpm has started, use fcgi env */
542 if (fpm_is_running) {
543 fcgi_request *request = (fcgi_request*) SG(server_context);
544 return fcgi_getenv(request, name, name_len);
545 }
546
547 /* if fpm has not started yet, use std env */
548 return getenv(name);
549 }
550
_sapi_cgibin_putenv(char * name,char * value TSRMLS_DC)551 static char *_sapi_cgibin_putenv(char *name, char *value TSRMLS_DC)
552 {
553 int name_len;
554
555 if (!name) {
556 return NULL;
557 }
558 name_len = strlen(name);
559
560 fcgi_request *request = (fcgi_request*) SG(server_context);
561 return fcgi_putenv(request, name, name_len, value);
562 }
563
sapi_cgi_read_cookies(TSRMLS_D)564 static char *sapi_cgi_read_cookies(TSRMLS_D)
565 {
566 return sapi_cgibin_getenv((char *) "HTTP_COOKIE", sizeof("HTTP_COOKIE") - 1 TSRMLS_CC);
567 }
568
cgi_php_import_environment_variables(zval * array_ptr TSRMLS_DC)569 void cgi_php_import_environment_variables(zval *array_ptr TSRMLS_DC)
570 {
571 fcgi_request *request;
572 HashPosition pos;
573 char *var, **val;
574 uint var_len;
575 ulong idx;
576 int filter_arg;
577
578
579 if (PG(http_globals)[TRACK_VARS_ENV] &&
580 array_ptr != PG(http_globals)[TRACK_VARS_ENV] &&
581 Z_TYPE_P(PG(http_globals)[TRACK_VARS_ENV]) == IS_ARRAY &&
582 zend_hash_num_elements(Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_ENV])) > 0
583 ) {
584 zval_dtor(array_ptr);
585 *array_ptr = *PG(http_globals)[TRACK_VARS_ENV];
586 INIT_PZVAL(array_ptr);
587 zval_copy_ctor(array_ptr);
588 return;
589 } else if (PG(http_globals)[TRACK_VARS_SERVER] &&
590 array_ptr != PG(http_globals)[TRACK_VARS_SERVER] &&
591 Z_TYPE_P(PG(http_globals)[TRACK_VARS_SERVER]) == IS_ARRAY &&
592 zend_hash_num_elements(Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_SERVER])) > 0
593 ) {
594 zval_dtor(array_ptr);
595 *array_ptr = *PG(http_globals)[TRACK_VARS_SERVER];
596 INIT_PZVAL(array_ptr);
597 zval_copy_ctor(array_ptr);
598 return;
599 }
600
601 /* call php's original import as a catch-all */
602 php_php_import_environment_variables(array_ptr TSRMLS_CC);
603
604 request = (fcgi_request*) SG(server_context);
605 filter_arg = (array_ptr == PG(http_globals)[TRACK_VARS_ENV])?PARSE_ENV:PARSE_SERVER;
606
607 for (zend_hash_internal_pointer_reset_ex(request->env, &pos);
608 zend_hash_get_current_key_ex(request->env, &var, &var_len, &idx, 0, &pos) == HASH_KEY_IS_STRING &&
609 zend_hash_get_current_data_ex(request->env, (void **) &val, &pos) == SUCCESS;
610 zend_hash_move_forward_ex(request->env, &pos)
611 ) {
612 unsigned int new_val_len;
613
614 if (sapi_module.input_filter(filter_arg, var, val, strlen(*val), &new_val_len TSRMLS_CC)) {
615 php_register_variable_safe(var, *val, new_val_len, array_ptr TSRMLS_CC);
616 }
617 }
618 }
619
sapi_cgi_register_variables(zval * track_vars_array TSRMLS_DC)620 static void sapi_cgi_register_variables(zval *track_vars_array TSRMLS_DC)
621 {
622 unsigned int php_self_len;
623 char *php_self;
624
625 /* In CGI mode, we consider the environment to be a part of the server
626 * variables
627 */
628 php_import_environment_variables(track_vars_array TSRMLS_CC);
629
630 if (CGIG(fix_pathinfo)) {
631 char *script_name = SG(request_info).request_uri;
632 unsigned int script_name_len = script_name ? strlen(script_name) : 0;
633 char *path_info = sapi_cgibin_getenv("PATH_INFO", sizeof("PATH_INFO") - 1 TSRMLS_CC);
634 unsigned int path_info_len = path_info ? strlen(path_info) : 0;
635
636 php_self_len = script_name_len + path_info_len;
637 php_self = emalloc(php_self_len + 1);
638
639 /* Concat script_name and path_info into php_self */
640 if (script_name) {
641 memcpy(php_self, script_name, script_name_len + 1);
642 }
643 if (path_info) {
644 memcpy(php_self + script_name_len, path_info, path_info_len + 1);
645 }
646
647 /* Build the special-case PHP_SELF variable for the CGI version */
648 if (sapi_module.input_filter(PARSE_SERVER, "PHP_SELF", &php_self, php_self_len, &php_self_len TSRMLS_CC)) {
649 php_register_variable_safe("PHP_SELF", php_self, php_self_len, track_vars_array TSRMLS_CC);
650 }
651 efree(php_self);
652 } else {
653 php_self = SG(request_info).request_uri ? SG(request_info).request_uri : "";
654 php_self_len = strlen(php_self);
655 if (sapi_module.input_filter(PARSE_SERVER, "PHP_SELF", &php_self, php_self_len, &php_self_len TSRMLS_CC)) {
656 php_register_variable_safe("PHP_SELF", php_self, php_self_len, track_vars_array TSRMLS_CC);
657 }
658 }
659 }
660
661 /* {{{ sapi_cgi_log_fastcgi
662 *
663 * Ignore level, we want to send all messages through fastcgi
664 */
sapi_cgi_log_fastcgi(int level,char * message,size_t len)665 void sapi_cgi_log_fastcgi(int level, char *message, size_t len)
666 {
667 TSRMLS_FETCH();
668
669 fcgi_request *request = (fcgi_request*) SG(server_context);
670
671 /* ensure we want:
672 * - to log (fastcgi.logging in php.ini)
673 * - we are currently dealing with a request
674 * - the message is not empty
675 */
676 if (CGIG(fcgi_logging) && request && message && len > 0) {
677 ssize_t ret;
678 char *buf = malloc(len + 2);
679 memcpy(buf, message, len);
680 memcpy(buf + len, "\n", sizeof("\n"));
681 ret = fcgi_write(request, FCGI_STDERR, buf, len + 1);
682 free(buf);
683 if (ret < 0) {
684 php_handle_aborted_connection();
685 }
686 }
687 }
688 /* }}} */
689
690 /* {{{ sapi_cgi_log_message
691 */
sapi_cgi_log_message(char * message)692 static void sapi_cgi_log_message(char *message)
693 {
694 zlog(ZLOG_NOTICE, "PHP message: %s", message);
695 }
696 /* }}} */
697
698 /* {{{ php_cgi_ini_activate_user_config
699 */
php_cgi_ini_activate_user_config(char * path,int path_len,const char * doc_root,int doc_root_len,int start TSRMLS_DC)700 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)
701 {
702 char *ptr;
703 user_config_cache_entry *new_entry, *entry;
704 time_t request_time = sapi_get_request_time(TSRMLS_C);
705
706 /* Find cached config entry: If not found, create one */
707 if (zend_hash_find(&CGIG(user_config_cache), path, path_len + 1, (void **) &entry) == FAILURE) {
708 new_entry = pemalloc(sizeof(user_config_cache_entry), 1);
709 new_entry->expires = 0;
710 new_entry->user_config = (HashTable *) pemalloc(sizeof(HashTable), 1);
711 zend_hash_init(new_entry->user_config, 0, NULL, (dtor_func_t) config_zval_dtor, 1);
712 zend_hash_update(&CGIG(user_config_cache), path, path_len + 1, new_entry, sizeof(user_config_cache_entry), (void **) &entry);
713 free(new_entry);
714 }
715
716 /* Check whether cache entry has expired and rescan if it is */
717 if (request_time > entry->expires) {
718 char * real_path;
719 int real_path_len;
720 char *s1, *s2;
721 int s_len;
722
723 /* Clear the expired config */
724 zend_hash_clean(entry->user_config);
725
726 if (!IS_ABSOLUTE_PATH(path, path_len)) {
727 real_path = tsrm_realpath(path, NULL TSRMLS_CC);
728 if (real_path == NULL) {
729 return;
730 }
731 real_path_len = strlen(real_path);
732 path = real_path;
733 path_len = real_path_len;
734 }
735
736 if (path_len > doc_root_len) {
737 s1 = (char *) doc_root;
738 s2 = path;
739 s_len = doc_root_len;
740 } else {
741 s1 = path;
742 s2 = (char *) doc_root;
743 s_len = path_len;
744 }
745
746 /* we have to test if path is part of DOCUMENT_ROOT.
747 if it is inside the docroot, we scan the tree up to the docroot
748 to find more user.ini, if not we only scan the current path.
749 */
750 #ifdef PHP_WIN32
751 if (strnicmp(s1, s2, s_len) == 0) {
752 #else
753 if (strncmp(s1, s2, s_len) == 0) {
754 #endif
755 ptr = s2 + start; /* start is the point where doc_root ends! */
756 while ((ptr = strchr(ptr, DEFAULT_SLASH)) != NULL) {
757 *ptr = 0;
758 php_parse_user_ini_file(path, PG(user_ini_filename), entry->user_config TSRMLS_CC);
759 *ptr = '/';
760 ptr++;
761 }
762 } else {
763 php_parse_user_ini_file(path, PG(user_ini_filename), entry->user_config TSRMLS_CC);
764 }
765
766 entry->expires = request_time + PG(user_ini_cache_ttl);
767 }
768
769 /* Activate ini entries with values from the user config hash */
770 php_ini_activate_config(entry->user_config, PHP_INI_PERDIR, PHP_INI_STAGE_HTACCESS TSRMLS_CC);
771 }
772 /* }}} */
773
774 static int sapi_cgi_activate(TSRMLS_D)
775 {
776 char *path, *doc_root, *server_name;
777 uint path_len, doc_root_len, server_name_len;
778
779 /* PATH_TRANSLATED should be defined at this stage but better safe than sorry :) */
780 if (!SG(request_info).path_translated) {
781 return FAILURE;
782 }
783
784 if (php_ini_has_per_host_config()) {
785 /* Activate per-host-system-configuration defined in php.ini and stored into configuration_hash during startup */
786 server_name = sapi_cgibin_getenv("SERVER_NAME", sizeof("SERVER_NAME") - 1 TSRMLS_CC);
787 /* SERVER_NAME should also be defined at this stage..but better check it anyway */
788 if (server_name) {
789 server_name_len = strlen(server_name);
790 server_name = estrndup(server_name, server_name_len);
791 zend_str_tolower(server_name, server_name_len);
792 php_ini_activate_per_host_config(server_name, server_name_len + 1 TSRMLS_CC);
793 efree(server_name);
794 }
795 }
796
797 if (php_ini_has_per_dir_config() ||
798 (PG(user_ini_filename) && *PG(user_ini_filename))
799 ) {
800 /* Prepare search path */
801 path_len = strlen(SG(request_info).path_translated);
802
803 /* Make sure we have trailing slash! */
804 if (!IS_SLASH(SG(request_info).path_translated[path_len])) {
805 path = emalloc(path_len + 2);
806 memcpy(path, SG(request_info).path_translated, path_len + 1);
807 path_len = zend_dirname(path, path_len);
808 path[path_len++] = DEFAULT_SLASH;
809 } else {
810 path = estrndup(SG(request_info).path_translated, path_len);
811 path_len = zend_dirname(path, path_len);
812 }
813 path[path_len] = 0;
814
815 /* Activate per-dir-system-configuration defined in php.ini and stored into configuration_hash during startup */
816 php_ini_activate_per_dir_config(path, path_len TSRMLS_CC); /* Note: for global settings sake we check from root to path */
817
818 /* Load and activate user ini files in path starting from DOCUMENT_ROOT */
819 if (PG(user_ini_filename) && *PG(user_ini_filename)) {
820 doc_root = sapi_cgibin_getenv("DOCUMENT_ROOT", sizeof("DOCUMENT_ROOT") - 1 TSRMLS_CC);
821 /* DOCUMENT_ROOT should also be defined at this stage..but better check it anyway */
822 if (doc_root) {
823 doc_root_len = strlen(doc_root);
824 if (doc_root_len > 0 && IS_SLASH(doc_root[doc_root_len - 1])) {
825 --doc_root_len;
826 }
827 #ifdef PHP_WIN32
828 /* paths on windows should be case-insensitive */
829 doc_root = estrndup(doc_root, doc_root_len);
830 zend_str_tolower(doc_root, doc_root_len);
831 #endif
832 php_cgi_ini_activate_user_config(path, path_len, doc_root, doc_root_len, doc_root_len - 1 TSRMLS_CC);
833 }
834 }
835
836 #ifdef PHP_WIN32
837 efree(doc_root);
838 #endif
839 efree(path);
840 }
841
842 return SUCCESS;
843 }
844
845 static int sapi_cgi_deactivate(TSRMLS_D)
846 {
847 /* flush only when SAPI was started. The reasons are:
848 1. SAPI Deactivate is called from two places: module init and request shutdown
849 2. When the first call occurs and the request is not set up, flush fails on FastCGI.
850 */
851 if (SG(sapi_started)) {
852 if (
853 #ifndef PHP_WIN32
854 !parent &&
855 #endif
856 !fcgi_finish_request((fcgi_request*)SG(server_context), 0)) {
857 php_handle_aborted_connection();
858 }
859 }
860 return SUCCESS;
861 }
862
863 static int php_cgi_startup(sapi_module_struct *sapi_module)
864 {
865 if (php_module_startup(sapi_module, &cgi_module_entry, 1) == FAILURE) {
866 return FAILURE;
867 }
868 return SUCCESS;
869 }
870
871 /* {{{ sapi_module_struct cgi_sapi_module
872 */
873 static sapi_module_struct cgi_sapi_module = {
874 "fpm-fcgi", /* name */
875 "FPM/FastCGI", /* pretty name */
876
877 php_cgi_startup, /* startup */
878 php_module_shutdown_wrapper, /* shutdown */
879
880 sapi_cgi_activate, /* activate */
881 sapi_cgi_deactivate, /* deactivate */
882
883 sapi_cgibin_ub_write, /* unbuffered write */
884 sapi_cgibin_flush, /* flush */
885 NULL, /* get uid */
886 sapi_cgibin_getenv, /* getenv */
887
888 php_error, /* error handler */
889
890 NULL, /* header handler */
891 sapi_cgi_send_headers, /* send headers handler */
892 NULL, /* send header handler */
893
894 sapi_cgi_read_post, /* read POST data */
895 sapi_cgi_read_cookies, /* read Cookies */
896
897 sapi_cgi_register_variables, /* register server variables */
898 sapi_cgi_log_message, /* Log message */
899 NULL, /* Get request time */
900 NULL, /* Child terminate */
901
902 STANDARD_SAPI_MODULE_PROPERTIES
903 };
904 /* }}} */
905
906 /* {{{ arginfo ext/standard/dl.c */
907 ZEND_BEGIN_ARG_INFO(arginfo_dl, 0)
908 ZEND_ARG_INFO(0, extension_filename)
909 ZEND_END_ARG_INFO()
910 /* }}} */
911
912 static const zend_function_entry additional_functions[] = {
913 ZEND_FE(dl, arginfo_dl)
914 {NULL, NULL, NULL}
915 };
916
917 /* {{{ php_cgi_usage
918 */
919 static void php_cgi_usage(char *argv0)
920 {
921 char *prog;
922
923 prog = strrchr(argv0, '/');
924 if (prog) {
925 prog++;
926 } else {
927 prog = "php";
928 }
929
930 php_printf( "Usage: %s [-n] [-e] [-h] [-i] [-m] [-v] [-t] [-p <prefix>] [-g <pid>] [-c <file>] [-d foo[=bar]] [-y <file>] [-D] [-F [-O]]\n"
931 " -c <path>|<file> Look for php.ini file in this directory\n"
932 " -n No php.ini file will be used\n"
933 " -d foo[=bar] Define INI entry foo with value 'bar'\n"
934 " -e Generate extended information for debugger/profiler\n"
935 " -h This help\n"
936 " -i PHP information\n"
937 " -m Show compiled in modules\n"
938 " -v Version number\n"
939 " -p, --prefix <dir>\n"
940 " Specify alternative prefix path to FastCGI process manager (default: %s).\n"
941 " -g, --pid <file>\n"
942 " Specify the PID file location.\n"
943 " -y, --fpm-config <file>\n"
944 " Specify alternative path to FastCGI process manager config file.\n"
945 " -t, --test Test FPM configuration and exit\n"
946 " -D, --daemonize force to run in background, and ignore daemonize option from config file\n"
947 " -F, --nodaemonize\n"
948 " force to stay in foreground, and ignore daemonize option from config file\n"
949 " -O, --force-stderr\n"
950 " force output to stderr in nodaemonize even if stderr is not a TTY\n"
951 " -R, --allow-to-run-as-root\n"
952 " Allow pool to run as root (disabled by default)\n",
953 prog, PHP_PREFIX);
954 }
955 /* }}} */
956
957 /* {{{ is_valid_path
958 *
959 * some server configurations allow '..' to slip through in the
960 * translated path. We'll just refuse to handle such a path.
961 */
962 static int is_valid_path(const char *path)
963 {
964 const char *p;
965
966 if (!path) {
967 return 0;
968 }
969 p = strstr(path, "..");
970 if (p) {
971 if ((p == path || IS_SLASH(*(p-1))) &&
972 (*(p+2) == 0 || IS_SLASH(*(p+2)))
973 ) {
974 return 0;
975 }
976 while (1) {
977 p = strstr(p+1, "..");
978 if (!p) {
979 break;
980 }
981 if (IS_SLASH(*(p-1)) &&
982 (*(p+2) == 0 || IS_SLASH(*(p+2)))
983 ) {
984 return 0;
985 }
986 }
987 }
988 return 1;
989 }
990 /* }}} */
991
992 /* {{{ init_request_info
993
994 initializes request_info structure
995
996 specificly in this section we handle proper translations
997 for:
998
999 PATH_INFO
1000 derived from the portion of the URI path following
1001 the script name but preceding any query data
1002 may be empty
1003
1004 PATH_TRANSLATED
1005 derived by taking any path-info component of the
1006 request URI and performing any virtual-to-physical
1007 translation appropriate to map it onto the server's
1008 document repository structure
1009
1010 empty if PATH_INFO is empty
1011
1012 The env var PATH_TRANSLATED **IS DIFFERENT** than the
1013 request_info.path_translated variable, the latter should
1014 match SCRIPT_FILENAME instead.
1015
1016 SCRIPT_NAME
1017 set to a URL path that could identify the CGI script
1018 rather than the interpreter. PHP_SELF is set to this
1019
1020 REQUEST_URI
1021 uri section following the domain:port part of a URI
1022
1023 SCRIPT_FILENAME
1024 The virtual-to-physical translation of SCRIPT_NAME (as per
1025 PATH_TRANSLATED)
1026
1027 These settings are documented at
1028 http://cgi-spec.golux.com/
1029
1030
1031 Based on the following URL request:
1032
1033 http://localhost/info.php/test?a=b
1034
1035 should produce, which btw is the same as if
1036 we were running under mod_cgi on apache (ie. not
1037 using ScriptAlias directives):
1038
1039 PATH_INFO=/test
1040 PATH_TRANSLATED=/docroot/test
1041 SCRIPT_NAME=/info.php
1042 REQUEST_URI=/info.php/test?a=b
1043 SCRIPT_FILENAME=/docroot/info.php
1044 QUERY_STRING=a=b
1045
1046 but what we get is (cgi/mod_fastcgi under apache):
1047
1048 PATH_INFO=/info.php/test
1049 PATH_TRANSLATED=/docroot/info.php/test
1050 SCRIPT_NAME=/php/php-cgi (from the Action setting I suppose)
1051 REQUEST_URI=/info.php/test?a=b
1052 SCRIPT_FILENAME=/path/to/php/bin/php-cgi (Action setting translated)
1053 QUERY_STRING=a=b
1054
1055 Comments in the code below refer to using the above URL in a request
1056
1057 */
1058 static void init_request_info(TSRMLS_D)
1059 {
1060 char *env_script_filename = sapi_cgibin_getenv("SCRIPT_FILENAME", sizeof("SCRIPT_FILENAME") - 1 TSRMLS_CC);
1061 char *env_path_translated = sapi_cgibin_getenv("PATH_TRANSLATED", sizeof("PATH_TRANSLATED") - 1 TSRMLS_CC);
1062 char *script_path_translated = env_script_filename;
1063 char *ini;
1064 int apache_was_here = 0;
1065
1066 /* some broken servers do not have script_filename or argv0
1067 * an example, IIS configured in some ways. then they do more
1068 * broken stuff and set path_translated to the cgi script location */
1069 if (!script_path_translated && env_path_translated) {
1070 script_path_translated = env_path_translated;
1071 }
1072
1073 /* initialize the defaults */
1074 SG(request_info).path_translated = NULL;
1075 SG(request_info).request_method = NULL;
1076 SG(request_info).proto_num = 1000;
1077 SG(request_info).query_string = NULL;
1078 SG(request_info).request_uri = NULL;
1079 SG(request_info).content_type = NULL;
1080 SG(request_info).content_length = 0;
1081 SG(sapi_headers).http_response_code = 200;
1082
1083 /* script_path_translated being set is a good indication that
1084 * we are running in a cgi environment, since it is always
1085 * null otherwise. otherwise, the filename
1086 * of the script will be retreived later via argc/argv */
1087 if (script_path_translated) {
1088 const char *auth;
1089 char *content_length = sapi_cgibin_getenv("CONTENT_LENGTH", sizeof("CONTENT_LENGTH") - 1 TSRMLS_CC);
1090 char *content_type = sapi_cgibin_getenv("CONTENT_TYPE", sizeof("CONTENT_TYPE") - 1 TSRMLS_CC);
1091 char *env_path_info = sapi_cgibin_getenv("PATH_INFO", sizeof("PATH_INFO") - 1 TSRMLS_CC);
1092 char *env_script_name = sapi_cgibin_getenv("SCRIPT_NAME", sizeof("SCRIPT_NAME") - 1 TSRMLS_CC);
1093
1094 /* Hack for buggy IIS that sets incorrect PATH_INFO */
1095 char *env_server_software = sapi_cgibin_getenv("SERVER_SOFTWARE", sizeof("SERVER_SOFTWARE") - 1 TSRMLS_CC);
1096 if (env_server_software &&
1097 env_script_name &&
1098 env_path_info &&
1099 strncmp(env_server_software, "Microsoft-IIS", sizeof("Microsoft-IIS") - 1) == 0 &&
1100 strncmp(env_path_info, env_script_name, strlen(env_script_name)) == 0
1101 ) {
1102 env_path_info = _sapi_cgibin_putenv("ORIG_PATH_INFO", env_path_info TSRMLS_CC);
1103 env_path_info += strlen(env_script_name);
1104 if (*env_path_info == 0) {
1105 env_path_info = NULL;
1106 }
1107 env_path_info = _sapi_cgibin_putenv("PATH_INFO", env_path_info TSRMLS_CC);
1108 }
1109
1110 #define APACHE_PROXY_FCGI_PREFIX "proxy:fcgi://"
1111 #define APACHE_PROXY_BALANCER_PREFIX "proxy:balancer://"
1112 /* Fix proxy URLs in SCRIPT_FILENAME generated by Apache mod_proxy_fcgi and mod_proxy_balancer:
1113 * proxy:fcgi://localhost:9000/some-dir/info.php/test?foo=bar
1114 * proxy:balancer://localhost:9000/some-dir/info.php/test?foo=bar
1115 * should be changed to:
1116 * /some-dir/info.php/test
1117 * See: http://bugs.php.net/bug.php?id=54152
1118 * http://bugs.php.net/bug.php?id=62172
1119 * https://issues.apache.org/bugzilla/show_bug.cgi?id=50851
1120 */
1121 if (env_script_filename &&
1122 strncasecmp(env_script_filename, APACHE_PROXY_FCGI_PREFIX, sizeof(APACHE_PROXY_FCGI_PREFIX) - 1) == 0) {
1123 /* advance to first character of hostname */
1124 char *p = env_script_filename + (sizeof(APACHE_PROXY_FCGI_PREFIX) - 1);
1125 while (*p != '\0' && *p != '/') {
1126 p++; /* move past hostname and port */
1127 }
1128 if (*p != '\0') {
1129 /* Copy path portion in place to avoid memory leak. Note
1130 * that this also affects what script_path_translated points
1131 * to. */
1132 memmove(env_script_filename, p, strlen(p) + 1);
1133 apache_was_here = 1;
1134 }
1135 /* ignore query string if sent by Apache (RewriteRule) */
1136 p = strchr(env_script_filename, '?');
1137 if (p) {
1138 *p =0;
1139 }
1140 }
1141
1142 if (env_script_filename &&
1143 strncasecmp(env_script_filename, APACHE_PROXY_BALANCER_PREFIX, sizeof(APACHE_PROXY_BALANCER_PREFIX) - 1) == 0) {
1144 /* advance to first character of hostname */
1145 char *p = env_script_filename + (sizeof(APACHE_PROXY_BALANCER_PREFIX) - 1);
1146 while (*p != '\0' && *p != '/') {
1147 p++; /* move past hostname and port */
1148 }
1149 if (*p != '\0') {
1150 /* Copy path portion in place to avoid memory leak. Note
1151 * that this also affects what script_path_translated points
1152 * to. */
1153 memmove(env_script_filename, p, strlen(p) + 1);
1154 apache_was_here = 1;
1155 }
1156 /* ignore query string if sent by Apache (RewriteRule) */
1157 p = strchr(env_script_filename, '?');
1158 if (p) {
1159 *p =0;
1160 }
1161 }
1162
1163 if (CGIG(fix_pathinfo)) {
1164 struct stat st;
1165 char *real_path = NULL;
1166 char *env_redirect_url = sapi_cgibin_getenv("REDIRECT_URL", sizeof("REDIRECT_URL") - 1 TSRMLS_CC);
1167 char *env_document_root = sapi_cgibin_getenv("DOCUMENT_ROOT", sizeof("DOCUMENT_ROOT") - 1 TSRMLS_CC);
1168 char *orig_path_translated = env_path_translated;
1169 char *orig_path_info = env_path_info;
1170 char *orig_script_name = env_script_name;
1171 char *orig_script_filename = env_script_filename;
1172 int script_path_translated_len;
1173
1174 if (!env_document_root && PG(doc_root)) {
1175 env_document_root = _sapi_cgibin_putenv("DOCUMENT_ROOT", PG(doc_root) TSRMLS_CC);
1176 /* fix docroot */
1177 TRANSLATE_SLASHES(env_document_root);
1178 }
1179
1180 if (!apache_was_here && env_path_translated != NULL && env_redirect_url != NULL &&
1181 env_path_translated != script_path_translated &&
1182 strcmp(env_path_translated, script_path_translated) != 0) {
1183 /*
1184 * pretty much apache specific. If we have a redirect_url
1185 * then our script_filename and script_name point to the
1186 * php executable
1187 * we don't want to do this for the new mod_proxy_fcgi approach,
1188 * where redirect_url may also exist but the below will break
1189 * with rewrites to PATH_INFO, hence the !apache_was_here check
1190 */
1191 script_path_translated = env_path_translated;
1192 /* we correct SCRIPT_NAME now in case we don't have PATH_INFO */
1193 env_script_name = env_redirect_url;
1194 }
1195
1196 #ifdef __riscos__
1197 /* Convert path to unix format*/
1198 __riscosify_control |= __RISCOSIFY_DONT_CHECK_DIR;
1199 script_path_translated = __unixify(script_path_translated, 0, NULL, 1, 0);
1200 #endif
1201
1202 /*
1203 * if the file doesn't exist, try to extract PATH_INFO out
1204 * of it by stat'ing back through the '/'
1205 * this fixes url's like /info.php/test
1206 */
1207 if (script_path_translated &&
1208 (script_path_translated_len = strlen(script_path_translated)) > 0 &&
1209 (script_path_translated[script_path_translated_len-1] == '/' ||
1210 #ifdef PHP_WIN32
1211 script_path_translated[script_path_translated_len-1] == '\\' ||
1212 #endif
1213 (real_path = tsrm_realpath(script_path_translated, NULL TSRMLS_CC)) == NULL)
1214 ) {
1215 char *pt = estrndup(script_path_translated, script_path_translated_len);
1216 int len = script_path_translated_len;
1217 char *ptr;
1218
1219 if (pt) {
1220 while ((ptr = strrchr(pt, '/')) || (ptr = strrchr(pt, '\\'))) {
1221 *ptr = 0;
1222 if (stat(pt, &st) == 0 && S_ISREG(st.st_mode)) {
1223 /*
1224 * okay, we found the base script!
1225 * work out how many chars we had to strip off;
1226 * then we can modify PATH_INFO
1227 * accordingly
1228 *
1229 * we now have the makings of
1230 * PATH_INFO=/test
1231 * SCRIPT_FILENAME=/docroot/info.php
1232 *
1233 * we now need to figure out what docroot is.
1234 * if DOCUMENT_ROOT is set, this is easy, otherwise,
1235 * we have to play the game of hide and seek to figure
1236 * out what SCRIPT_NAME should be
1237 */
1238 int ptlen = strlen(pt);
1239 int slen = len - ptlen;
1240 int pilen = env_path_info ? strlen(env_path_info) : 0;
1241 int tflag = 0;
1242 char *path_info;
1243 if (apache_was_here) {
1244 /* recall that PATH_INFO won't exist */
1245 path_info = script_path_translated + ptlen;
1246 tflag = (slen != 0 && (!orig_path_info || strcmp(orig_path_info, path_info) != 0));
1247 } else {
1248 path_info = env_path_info ? env_path_info + pilen - slen : NULL;
1249 tflag = (orig_path_info != path_info);
1250 }
1251
1252 if (tflag) {
1253 if (orig_path_info) {
1254 char old;
1255
1256 _sapi_cgibin_putenv("ORIG_PATH_INFO", orig_path_info TSRMLS_CC);
1257 old = path_info[0];
1258 path_info[0] = 0;
1259 if (!orig_script_name ||
1260 strcmp(orig_script_name, env_path_info) != 0) {
1261 if (orig_script_name) {
1262 _sapi_cgibin_putenv("ORIG_SCRIPT_NAME", orig_script_name TSRMLS_CC);
1263 }
1264 SG(request_info).request_uri = _sapi_cgibin_putenv("SCRIPT_NAME", env_path_info TSRMLS_CC);
1265 } else {
1266 SG(request_info).request_uri = orig_script_name;
1267 }
1268 path_info[0] = old;
1269 } else if (apache_was_here && env_script_name) {
1270 /* Using mod_proxy_fcgi and ProxyPass, apache cannot set PATH_INFO
1271 * As we can extract PATH_INFO from PATH_TRANSLATED
1272 * it is probably also in SCRIPT_NAME and need to be removed
1273 */
1274 int snlen = strlen(env_script_name);
1275 if (snlen>slen && !strcmp(env_script_name+snlen-slen, path_info)) {
1276 _sapi_cgibin_putenv("ORIG_SCRIPT_NAME", orig_script_name TSRMLS_CC);
1277 env_script_name[snlen-slen] = 0;
1278 SG(request_info).request_uri = _sapi_cgibin_putenv("SCRIPT_NAME", env_script_name TSRMLS_CC);
1279 }
1280 }
1281 env_path_info = _sapi_cgibin_putenv("PATH_INFO", path_info TSRMLS_CC);
1282 }
1283 if (!orig_script_filename ||
1284 strcmp(orig_script_filename, pt) != 0) {
1285 if (orig_script_filename) {
1286 _sapi_cgibin_putenv("ORIG_SCRIPT_FILENAME", orig_script_filename TSRMLS_CC);
1287 }
1288 script_path_translated = _sapi_cgibin_putenv("SCRIPT_FILENAME", pt TSRMLS_CC);
1289 }
1290 TRANSLATE_SLASHES(pt);
1291
1292 /* figure out docroot
1293 * SCRIPT_FILENAME minus SCRIPT_NAME
1294 */
1295 if (env_document_root) {
1296 int l = strlen(env_document_root);
1297 int path_translated_len = 0;
1298 char *path_translated = NULL;
1299
1300 if (l && env_document_root[l - 1] == '/') {
1301 --l;
1302 }
1303
1304 /* we have docroot, so we should have:
1305 * DOCUMENT_ROOT=/docroot
1306 * SCRIPT_FILENAME=/docroot/info.php
1307 */
1308
1309 /* PATH_TRANSLATED = DOCUMENT_ROOT + PATH_INFO */
1310 path_translated_len = l + (env_path_info ? strlen(env_path_info) : 0);
1311 path_translated = (char *) emalloc(path_translated_len + 1);
1312 memcpy(path_translated, env_document_root, l);
1313 if (env_path_info) {
1314 memcpy(path_translated + l, env_path_info, (path_translated_len - l));
1315 }
1316 path_translated[path_translated_len] = '\0';
1317 if (orig_path_translated) {
1318 _sapi_cgibin_putenv("ORIG_PATH_TRANSLATED", orig_path_translated TSRMLS_CC);
1319 }
1320 env_path_translated = _sapi_cgibin_putenv("PATH_TRANSLATED", path_translated TSRMLS_CC);
1321 efree(path_translated);
1322 } else if ( env_script_name &&
1323 strstr(pt, env_script_name)
1324 ) {
1325 /* PATH_TRANSLATED = PATH_TRANSLATED - SCRIPT_NAME + PATH_INFO */
1326 int ptlen = strlen(pt) - strlen(env_script_name);
1327 int path_translated_len = ptlen + (env_path_info ? strlen(env_path_info) : 0);
1328 char *path_translated = NULL;
1329
1330 path_translated = (char *) emalloc(path_translated_len + 1);
1331 memcpy(path_translated, pt, ptlen);
1332 if (env_path_info) {
1333 memcpy(path_translated + ptlen, env_path_info, path_translated_len - ptlen);
1334 }
1335 path_translated[path_translated_len] = '\0';
1336 if (orig_path_translated) {
1337 _sapi_cgibin_putenv("ORIG_PATH_TRANSLATED", orig_path_translated TSRMLS_CC);
1338 }
1339 env_path_translated = _sapi_cgibin_putenv("PATH_TRANSLATED", path_translated TSRMLS_CC);
1340 efree(path_translated);
1341 }
1342 break;
1343 }
1344 }
1345 } else {
1346 ptr = NULL;
1347 }
1348 if (!ptr) {
1349 /*
1350 * if we stripped out all the '/' and still didn't find
1351 * a valid path... we will fail, badly. of course we would
1352 * have failed anyway... we output 'no input file' now.
1353 */
1354 if (orig_script_filename) {
1355 _sapi_cgibin_putenv("ORIG_SCRIPT_FILENAME", orig_script_filename TSRMLS_CC);
1356 }
1357 script_path_translated = _sapi_cgibin_putenv("SCRIPT_FILENAME", NULL TSRMLS_CC);
1358 SG(sapi_headers).http_response_code = 404;
1359 }
1360 if (!SG(request_info).request_uri) {
1361 if (!orig_script_name ||
1362 strcmp(orig_script_name, env_script_name) != 0) {
1363 if (orig_script_name) {
1364 _sapi_cgibin_putenv("ORIG_SCRIPT_NAME", orig_script_name TSRMLS_CC);
1365 }
1366 SG(request_info).request_uri = _sapi_cgibin_putenv("SCRIPT_NAME", env_script_name TSRMLS_CC);
1367 } else {
1368 SG(request_info).request_uri = orig_script_name;
1369 }
1370 }
1371 if (pt) {
1372 efree(pt);
1373 }
1374 } else {
1375 /* make sure original values are remembered in ORIG_ copies if we've changed them */
1376 if (!orig_script_filename ||
1377 (script_path_translated != orig_script_filename &&
1378 strcmp(script_path_translated, orig_script_filename) != 0)) {
1379 if (orig_script_filename) {
1380 _sapi_cgibin_putenv("ORIG_SCRIPT_FILENAME", orig_script_filename TSRMLS_CC);
1381 }
1382 script_path_translated = _sapi_cgibin_putenv("SCRIPT_FILENAME", script_path_translated TSRMLS_CC);
1383 }
1384 if (!apache_was_here && env_redirect_url) {
1385 /* if we used PATH_TRANSLATED to work around Apache mod_fastcgi (but not mod_proxy_fcgi,
1386 * hence !apache_was_here) weirdness, strip info accordingly */
1387 if (orig_path_info) {
1388 _sapi_cgibin_putenv("ORIG_PATH_INFO", orig_path_info TSRMLS_CC);
1389 _sapi_cgibin_putenv("PATH_INFO", NULL TSRMLS_CC);
1390 }
1391 if (orig_path_translated) {
1392 _sapi_cgibin_putenv("ORIG_PATH_TRANSLATED", orig_path_translated TSRMLS_CC);
1393 _sapi_cgibin_putenv("PATH_TRANSLATED", NULL TSRMLS_CC);
1394 }
1395 }
1396 if (env_script_name != orig_script_name) {
1397 if (orig_script_name) {
1398 _sapi_cgibin_putenv("ORIG_SCRIPT_NAME", orig_script_name TSRMLS_CC);
1399 }
1400 SG(request_info).request_uri = _sapi_cgibin_putenv("SCRIPT_NAME", env_script_name TSRMLS_CC);
1401 } else {
1402 SG(request_info).request_uri = env_script_name;
1403 }
1404 efree(real_path);
1405 }
1406 } else {
1407 /* pre 4.3 behaviour, shouldn't be used but provides BC */
1408 if (env_path_info) {
1409 SG(request_info).request_uri = env_path_info;
1410 } else {
1411 SG(request_info).request_uri = env_script_name;
1412 }
1413 if (!CGIG(discard_path) && env_path_translated) {
1414 script_path_translated = env_path_translated;
1415 }
1416 }
1417
1418 if (is_valid_path(script_path_translated)) {
1419 SG(request_info).path_translated = estrdup(script_path_translated);
1420 }
1421
1422 SG(request_info).request_method = sapi_cgibin_getenv("REQUEST_METHOD", sizeof("REQUEST_METHOD") - 1 TSRMLS_CC);
1423 /* FIXME - Work out proto_num here */
1424 SG(request_info).query_string = sapi_cgibin_getenv("QUERY_STRING", sizeof("QUERY_STRING") - 1 TSRMLS_CC);
1425 SG(request_info).content_type = (content_type ? content_type : "" );
1426 SG(request_info).content_length = (content_length ? atol(content_length) : 0);
1427
1428 /* The CGI RFC allows servers to pass on unvalidated Authorization data */
1429 auth = sapi_cgibin_getenv("HTTP_AUTHORIZATION", sizeof("HTTP_AUTHORIZATION") - 1 TSRMLS_CC);
1430 php_handle_auth_data(auth TSRMLS_CC);
1431 }
1432
1433 /* INI stuff */
1434 ini = sapi_cgibin_getenv("PHP_VALUE", sizeof("PHP_VALUE") - 1 TSRMLS_CC);
1435 if (ini) {
1436 int mode = ZEND_INI_USER;
1437 char *tmp;
1438 spprintf(&tmp, 0, "%s\n", ini);
1439 zend_parse_ini_string(tmp, 1, ZEND_INI_SCANNER_NORMAL, (zend_ini_parser_cb_t)fastcgi_ini_parser, &mode TSRMLS_CC);
1440 efree(tmp);
1441 }
1442
1443 ini = sapi_cgibin_getenv("PHP_ADMIN_VALUE", sizeof("PHP_ADMIN_VALUE") - 1 TSRMLS_CC);
1444 if (ini) {
1445 int mode = ZEND_INI_SYSTEM;
1446 char *tmp;
1447 spprintf(&tmp, 0, "%s\n", ini);
1448 zend_parse_ini_string(tmp, 1, ZEND_INI_SCANNER_NORMAL, (zend_ini_parser_cb_t)fastcgi_ini_parser, &mode TSRMLS_CC);
1449 efree(tmp);
1450 }
1451 }
1452 /* }}} */
1453
1454 static void fastcgi_ini_parser(zval *arg1, zval *arg2, zval *arg3, int callback_type, void *arg TSRMLS_DC) /* {{{ */
1455 {
1456 int *mode = (int *)arg;
1457 char *key;
1458 char *value = NULL;
1459 struct key_value_s kv;
1460
1461 if (!mode || !arg1) return;
1462
1463 if (callback_type != ZEND_INI_PARSER_ENTRY) {
1464 zlog(ZLOG_ERROR, "Passing INI directive through FastCGI: only classic entries are allowed");
1465 return;
1466 }
1467
1468 key = Z_STRVAL_P(arg1);
1469
1470 if (!key || strlen(key) < 1) {
1471 zlog(ZLOG_ERROR, "Passing INI directive through FastCGI: empty key");
1472 return;
1473 }
1474
1475 if (arg2) {
1476 value = Z_STRVAL_P(arg2);
1477 }
1478
1479 if (!value) {
1480 zlog(ZLOG_ERROR, "Passing INI directive through FastCGI: empty value for key '%s'", key);
1481 return;
1482 }
1483
1484 kv.key = key;
1485 kv.value = value;
1486 kv.next = NULL;
1487 if (fpm_php_apply_defines_ex(&kv, *mode) == -1) {
1488 zlog(ZLOG_ERROR, "Passing INI directive through FastCGI: unable to set '%s'", key);
1489 }
1490 }
1491 /* }}} */
1492
1493 PHP_INI_BEGIN()
1494 STD_PHP_INI_ENTRY("cgi.rfc2616_headers", "0", PHP_INI_ALL, OnUpdateBool, rfc2616_headers, php_cgi_globals_struct, php_cgi_globals)
1495 STD_PHP_INI_ENTRY("cgi.nph", "0", PHP_INI_ALL, OnUpdateBool, nph, php_cgi_globals_struct, php_cgi_globals)
1496 STD_PHP_INI_ENTRY("cgi.force_redirect", "1", PHP_INI_SYSTEM, OnUpdateBool, force_redirect, php_cgi_globals_struct, php_cgi_globals)
1497 STD_PHP_INI_ENTRY("cgi.redirect_status_env", NULL, PHP_INI_SYSTEM, OnUpdateString, redirect_status_env, php_cgi_globals_struct, php_cgi_globals)
1498 STD_PHP_INI_ENTRY("cgi.fix_pathinfo", "1", PHP_INI_SYSTEM, OnUpdateBool, fix_pathinfo, php_cgi_globals_struct, php_cgi_globals)
1499 STD_PHP_INI_ENTRY("cgi.discard_path", "0", PHP_INI_SYSTEM, OnUpdateBool, discard_path, php_cgi_globals_struct, php_cgi_globals)
1500 STD_PHP_INI_ENTRY("fastcgi.logging", "1", PHP_INI_SYSTEM, OnUpdateBool, fcgi_logging, php_cgi_globals_struct, php_cgi_globals)
1501 STD_PHP_INI_ENTRY("fastcgi.error_header", NULL, PHP_INI_SYSTEM, OnUpdateString, error_header, php_cgi_globals_struct, php_cgi_globals)
1502 STD_PHP_INI_ENTRY("fpm.config", NULL, PHP_INI_SYSTEM, OnUpdateString, fpm_config, php_cgi_globals_struct, php_cgi_globals)
1503 PHP_INI_END()
1504
1505 /* {{{ php_cgi_globals_ctor
1506 */
1507 static void php_cgi_globals_ctor(php_cgi_globals_struct *php_cgi_globals TSRMLS_DC)
1508 {
1509 php_cgi_globals->rfc2616_headers = 0;
1510 php_cgi_globals->nph = 0;
1511 php_cgi_globals->force_redirect = 1;
1512 php_cgi_globals->redirect_status_env = NULL;
1513 php_cgi_globals->fix_pathinfo = 1;
1514 php_cgi_globals->discard_path = 0;
1515 php_cgi_globals->fcgi_logging = 1;
1516 zend_hash_init(&php_cgi_globals->user_config_cache, 0, NULL, (dtor_func_t) user_config_cache_entry_dtor, 1);
1517 php_cgi_globals->error_header = NULL;
1518 php_cgi_globals->fpm_config = NULL;
1519 }
1520 /* }}} */
1521
1522 /* {{{ PHP_MINIT_FUNCTION
1523 */
1524 static PHP_MINIT_FUNCTION(cgi)
1525 {
1526 #ifdef ZTS
1527 ts_allocate_id(&php_cgi_globals_id, sizeof(php_cgi_globals_struct), (ts_allocate_ctor) php_cgi_globals_ctor, NULL);
1528 #else
1529 php_cgi_globals_ctor(&php_cgi_globals TSRMLS_CC);
1530 #endif
1531 REGISTER_INI_ENTRIES();
1532 return SUCCESS;
1533 }
1534 /* }}} */
1535
1536 /* {{{ PHP_MSHUTDOWN_FUNCTION
1537 */
1538 static PHP_MSHUTDOWN_FUNCTION(cgi)
1539 {
1540 zend_hash_destroy(&CGIG(user_config_cache));
1541
1542 UNREGISTER_INI_ENTRIES();
1543 return SUCCESS;
1544 }
1545 /* }}} */
1546
1547 /* {{{ PHP_MINFO_FUNCTION
1548 */
1549 static PHP_MINFO_FUNCTION(cgi)
1550 {
1551 php_info_print_table_start();
1552 php_info_print_table_row(2, "php-fpm", "active");
1553 php_info_print_table_end();
1554
1555 DISPLAY_INI_ENTRIES();
1556 }
1557 /* }}} */
1558
1559 PHP_FUNCTION(fastcgi_finish_request) /* {{{ */
1560 {
1561 fcgi_request *request = (fcgi_request*) SG(server_context);
1562
1563 if (request->fd >= 0) {
1564
1565 php_output_end_all(TSRMLS_C);
1566 php_header(TSRMLS_C);
1567
1568 fcgi_flush(request, 1);
1569 fcgi_close(request, 0, 0);
1570 RETURN_TRUE;
1571 }
1572
1573 RETURN_FALSE;
1574
1575 }
1576 /* }}} */
1577
1578 static const zend_function_entry cgi_fcgi_sapi_functions[] = {
1579 PHP_FE(fastcgi_finish_request, NULL)
1580 {NULL, NULL, NULL}
1581 };
1582
1583 static zend_module_entry cgi_module_entry = {
1584 STANDARD_MODULE_HEADER,
1585 "cgi-fcgi",
1586 cgi_fcgi_sapi_functions,
1587 PHP_MINIT(cgi),
1588 PHP_MSHUTDOWN(cgi),
1589 NULL,
1590 NULL,
1591 PHP_MINFO(cgi),
1592 NO_VERSION_YET,
1593 STANDARD_MODULE_PROPERTIES
1594 };
1595
1596 /* {{{ main
1597 */
1598 int main(int argc, char *argv[])
1599 {
1600 int exit_status = FPM_EXIT_OK;
1601 int cgi = 0, c, use_extended_info = 0;
1602 zend_file_handle file_handle;
1603
1604 /* temporary locals */
1605 int orig_optind = php_optind;
1606 char *orig_optarg = php_optarg;
1607 int ini_entries_len = 0;
1608 /* end of temporary locals */
1609
1610 #ifdef ZTS
1611 void ***tsrm_ls;
1612 #endif
1613
1614 int max_requests = 500;
1615 int requests = 0;
1616 int fcgi_fd = 0;
1617 fcgi_request request;
1618 char *fpm_config = NULL;
1619 char *fpm_prefix = NULL;
1620 char *fpm_pid = NULL;
1621 int test_conf = 0;
1622 int force_daemon = -1;
1623 int force_stderr = 0;
1624 int php_information = 0;
1625 int php_allow_to_run_as_root = 0;
1626
1627 #ifdef HAVE_SIGNAL_H
1628 #if defined(SIGPIPE) && defined(SIG_IGN)
1629 signal(SIGPIPE, SIG_IGN); /* ignore SIGPIPE in standalone mode so
1630 that sockets created via fsockopen()
1631 don't kill PHP if the remote site
1632 closes it. in apache|apxs mode apache
1633 does that for us! thies@thieso.net
1634 20000419 */
1635 #endif
1636 #endif
1637
1638 #ifdef ZTS
1639 tsrm_startup(1, 1, 0, NULL);
1640 tsrm_ls = ts_resource(0);
1641 #endif
1642
1643 sapi_startup(&cgi_sapi_module);
1644 cgi_sapi_module.php_ini_path_override = NULL;
1645 cgi_sapi_module.php_ini_ignore_cwd = 1;
1646
1647 fcgi_init();
1648
1649 #ifdef PHP_WIN32
1650 _fmode = _O_BINARY; /* sets default for file streams to binary */
1651 setmode(_fileno(stdin), O_BINARY); /* make the stdio mode be binary */
1652 setmode(_fileno(stdout), O_BINARY); /* make the stdio mode be binary */
1653 setmode(_fileno(stderr), O_BINARY); /* make the stdio mode be binary */
1654 #endif
1655
1656 while ((c = php_getopt(argc, argv, OPTIONS, &php_optarg, &php_optind, 0, 2)) != -1) {
1657 switch (c) {
1658 case 'c':
1659 if (cgi_sapi_module.php_ini_path_override) {
1660 free(cgi_sapi_module.php_ini_path_override);
1661 }
1662 cgi_sapi_module.php_ini_path_override = strdup(php_optarg);
1663 break;
1664
1665 case 'n':
1666 cgi_sapi_module.php_ini_ignore = 1;
1667 break;
1668
1669 case 'd': {
1670 /* define ini entries on command line */
1671 int len = strlen(php_optarg);
1672 char *val;
1673
1674 if ((val = strchr(php_optarg, '='))) {
1675 val++;
1676 if (!isalnum(*val) && *val != '"' && *val != '\'' && *val != '\0') {
1677 cgi_sapi_module.ini_entries = realloc(cgi_sapi_module.ini_entries, ini_entries_len + len + sizeof("\"\"\n\0"));
1678 memcpy(cgi_sapi_module.ini_entries + ini_entries_len, php_optarg, (val - php_optarg));
1679 ini_entries_len += (val - php_optarg);
1680 memcpy(cgi_sapi_module.ini_entries + ini_entries_len, "\"", 1);
1681 ini_entries_len++;
1682 memcpy(cgi_sapi_module.ini_entries + ini_entries_len, val, len - (val - php_optarg));
1683 ini_entries_len += len - (val - php_optarg);
1684 memcpy(cgi_sapi_module.ini_entries + ini_entries_len, "\"\n\0", sizeof("\"\n\0"));
1685 ini_entries_len += sizeof("\n\0\"") - 2;
1686 } else {
1687 cgi_sapi_module.ini_entries = realloc(cgi_sapi_module.ini_entries, ini_entries_len + len + sizeof("\n\0"));
1688 memcpy(cgi_sapi_module.ini_entries + ini_entries_len, php_optarg, len);
1689 memcpy(cgi_sapi_module.ini_entries + ini_entries_len + len, "\n\0", sizeof("\n\0"));
1690 ini_entries_len += len + sizeof("\n\0") - 2;
1691 }
1692 } else {
1693 cgi_sapi_module.ini_entries = realloc(cgi_sapi_module.ini_entries, ini_entries_len + len + sizeof("=1\n\0"));
1694 memcpy(cgi_sapi_module.ini_entries + ini_entries_len, php_optarg, len);
1695 memcpy(cgi_sapi_module.ini_entries + ini_entries_len + len, "=1\n\0", sizeof("=1\n\0"));
1696 ini_entries_len += len + sizeof("=1\n\0") - 2;
1697 }
1698 break;
1699 }
1700
1701 case 'y':
1702 fpm_config = php_optarg;
1703 break;
1704
1705 case 'p':
1706 fpm_prefix = php_optarg;
1707 break;
1708
1709 case 'g':
1710 fpm_pid = php_optarg;
1711 break;
1712
1713 case 'e': /* enable extended info output */
1714 use_extended_info = 1;
1715 break;
1716
1717 case 't':
1718 test_conf++;
1719 break;
1720
1721 case 'm': /* list compiled in modules */
1722 cgi_sapi_module.startup(&cgi_sapi_module);
1723 php_output_activate(TSRMLS_C);
1724 SG(headers_sent) = 1;
1725 php_printf("[PHP Modules]\n");
1726 print_modules(TSRMLS_C);
1727 php_printf("\n[Zend Modules]\n");
1728 print_extensions(TSRMLS_C);
1729 php_printf("\n");
1730 php_output_end_all(TSRMLS_C);
1731 php_output_deactivate(TSRMLS_C);
1732 fcgi_shutdown();
1733 exit_status = FPM_EXIT_OK;
1734 goto out;
1735
1736 case 'i': /* php info & quit */
1737 php_information = 1;
1738 break;
1739
1740 case 'R': /* allow to run as root */
1741 php_allow_to_run_as_root = 1;
1742 break;
1743
1744 case 'D': /* daemonize */
1745 force_daemon = 1;
1746 break;
1747
1748 case 'F': /* nodaemonize */
1749 force_daemon = 0;
1750 break;
1751
1752 case 'O': /* force stderr even on non tty */
1753 force_stderr = 1;
1754 break;
1755
1756 default:
1757 case 'h':
1758 case '?':
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 = (c == 'h') ? FPM_EXIT_OK : FPM_EXIT_USAGE;
1767 goto out;
1768
1769 case 'v': /* show php version & quit */
1770 cgi_sapi_module.startup(&cgi_sapi_module);
1771 if (php_request_startup(TSRMLS_C) == FAILURE) {
1772 SG(server_context) = NULL;
1773 php_module_shutdown(TSRMLS_C);
1774 return FPM_EXIT_SOFTWARE;
1775 }
1776 SG(headers_sent) = 1;
1777 SG(request_info).no_headers = 1;
1778
1779 #if ZEND_DEBUG
1780 php_printf("PHP %s (%s) (built: %s %s) (DEBUG)\nCopyright (c) 1997-2016 The PHP Group\n%s", PHP_VERSION, sapi_module.name, __DATE__, __TIME__, get_zend_version());
1781 #else
1782 php_printf("PHP %s (%s) (built: %s %s)\nCopyright (c) 1997-2016 The PHP Group\n%s", PHP_VERSION, sapi_module.name, __DATE__, __TIME__, get_zend_version());
1783 #endif
1784 php_request_shutdown((void *) 0);
1785 fcgi_shutdown();
1786 exit_status = FPM_EXIT_OK;
1787 goto out;
1788 }
1789 }
1790
1791 if (php_information) {
1792 cgi_sapi_module.phpinfo_as_text = 1;
1793 cgi_sapi_module.startup(&cgi_sapi_module);
1794 if (php_request_startup(TSRMLS_C) == FAILURE) {
1795 SG(server_context) = NULL;
1796 php_module_shutdown(TSRMLS_C);
1797 return FPM_EXIT_SOFTWARE;
1798 }
1799 SG(headers_sent) = 1;
1800 SG(request_info).no_headers = 1;
1801 php_print_info(0xFFFFFFFF TSRMLS_CC);
1802 php_request_shutdown((void *) 0);
1803 fcgi_shutdown();
1804 exit_status = FPM_EXIT_OK;
1805 goto out;
1806 }
1807
1808 /* No other args are permitted here as there is no interactive mode */
1809 if (argc != php_optind) {
1810 cgi_sapi_module.startup(&cgi_sapi_module);
1811 php_output_activate(TSRMLS_C);
1812 SG(headers_sent) = 1;
1813 php_cgi_usage(argv[0]);
1814 php_output_end_all(TSRMLS_C);
1815 php_output_deactivate(TSRMLS_C);
1816 fcgi_shutdown();
1817 exit_status = FPM_EXIT_USAGE;
1818 goto out;
1819 }
1820
1821 php_optind = orig_optind;
1822 php_optarg = orig_optarg;
1823
1824 #ifdef ZTS
1825 SG(request_info).path_translated = NULL;
1826 #endif
1827
1828 cgi_sapi_module.additional_functions = additional_functions;
1829 cgi_sapi_module.executable_location = argv[0];
1830
1831 /* startup after we get the above ini override se we get things right */
1832 if (cgi_sapi_module.startup(&cgi_sapi_module) == FAILURE) {
1833 #ifdef ZTS
1834 tsrm_shutdown();
1835 #endif
1836 return FPM_EXIT_SOFTWARE;
1837 }
1838
1839 if (use_extended_info) {
1840 CG(compiler_options) |= ZEND_COMPILE_EXTENDED_INFO;
1841 }
1842
1843 /* check force_cgi after startup, so we have proper output */
1844 if (cgi && CGIG(force_redirect)) {
1845 /* Apache will generate REDIRECT_STATUS,
1846 * Netscape and redirect.so will generate HTTP_REDIRECT_STATUS.
1847 * redirect.so and installation instructions available from
1848 * http://www.koehntopp.de/php.
1849 * -- kk@netuse.de
1850 */
1851 if (!getenv("REDIRECT_STATUS") &&
1852 !getenv ("HTTP_REDIRECT_STATUS") &&
1853 /* this is to allow a different env var to be configured
1854 * in case some server does something different than above */
1855 (!CGIG(redirect_status_env) || !getenv(CGIG(redirect_status_env)))
1856 ) {
1857 zend_try {
1858 SG(sapi_headers).http_response_code = 400;
1859 PUTS("<b>Security Alert!</b> The PHP CGI cannot be accessed directly.\n\n\
1860 <p>This PHP CGI binary was compiled with force-cgi-redirect enabled. This\n\
1861 means that a page will only be served up if the REDIRECT_STATUS CGI variable is\n\
1862 set, e.g. via an Apache Action directive.</p>\n\
1863 <p>For more information as to <i>why</i> this behaviour exists, see the <a href=\"http://php.net/security.cgi-bin\">\
1864 manual page for CGI security</a>.</p>\n\
1865 <p>For more information about changing this behaviour or re-enabling this webserver,\n\
1866 consult the installation file that came with this distribution, or visit \n\
1867 <a href=\"http://php.net/install.windows\">the manual page</a>.</p>\n");
1868 } zend_catch {
1869 } zend_end_try();
1870 #if defined(ZTS) && !defined(PHP_DEBUG)
1871 /* XXX we're crashing here in msvc6 debug builds at
1872 * php_message_handler_for_zend:839 because
1873 * SG(request_info).path_translated is an invalid pointer.
1874 * It still happens even though I set it to null, so something
1875 * weird is going on.
1876 */
1877 tsrm_shutdown();
1878 #endif
1879 return FPM_EXIT_SOFTWARE;
1880 }
1881 }
1882
1883 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, force_stderr)) {
1884
1885 if (fpm_globals.send_config_pipe[1]) {
1886 int writeval = 0;
1887 zlog(ZLOG_DEBUG, "Sending \"0\" (error) to parent via fd=%d", fpm_globals.send_config_pipe[1]);
1888 write(fpm_globals.send_config_pipe[1], &writeval, sizeof(writeval));
1889 close(fpm_globals.send_config_pipe[1]);
1890 }
1891 return FPM_EXIT_CONFIG;
1892 }
1893
1894 if (fpm_globals.send_config_pipe[1]) {
1895 int writeval = 1;
1896 zlog(ZLOG_DEBUG, "Sending \"1\" (OK) to parent via fd=%d", fpm_globals.send_config_pipe[1]);
1897 write(fpm_globals.send_config_pipe[1], &writeval, sizeof(writeval));
1898 close(fpm_globals.send_config_pipe[1]);
1899 }
1900 fpm_is_running = 1;
1901
1902 fcgi_fd = fpm_run(&max_requests);
1903 parent = 0;
1904
1905 /* onced forked tell zlog to also send messages through sapi_cgi_log_fastcgi() */
1906 zlog_set_external_logger(sapi_cgi_log_fastcgi);
1907
1908 /* make php call us to get _ENV vars */
1909 php_php_import_environment_variables = php_import_environment_variables;
1910 php_import_environment_variables = cgi_php_import_environment_variables;
1911
1912 /* library is already initialized, now init our request */
1913 fcgi_init_request(&request, fcgi_fd);
1914
1915 zend_first_try {
1916 while (fcgi_accept_request(&request) >= 0) {
1917 char *primary_script = NULL;
1918 request_body_fd = -1;
1919 SG(server_context) = (void *) &request;
1920 init_request_info(TSRMLS_C);
1921 CG(interactive) = 0;
1922
1923 fpm_request_info();
1924
1925 /* request startup only after we've done all we can to
1926 * get path_translated */
1927 if (php_request_startup(TSRMLS_C) == FAILURE) {
1928 fcgi_finish_request(&request, 1);
1929 SG(server_context) = NULL;
1930 php_module_shutdown(TSRMLS_C);
1931 return FPM_EXIT_SOFTWARE;
1932 }
1933
1934 /* check if request_method has been sent.
1935 * if not, it's certainly not an HTTP over fcgi request */
1936 if (!SG(request_info).request_method) {
1937 goto fastcgi_request_done;
1938 }
1939
1940 if (fpm_status_handle_request(TSRMLS_C)) {
1941 goto fastcgi_request_done;
1942 }
1943
1944 /* If path_translated is NULL, terminate here with a 404 */
1945 if (!SG(request_info).path_translated) {
1946 zend_try {
1947 zlog(ZLOG_DEBUG, "Primary script unknown");
1948 SG(sapi_headers).http_response_code = 404;
1949 PUTS("File not found.\n");
1950 } zend_catch {
1951 } zend_end_try();
1952 goto fastcgi_request_done;
1953 }
1954
1955 if (fpm_php_limit_extensions(SG(request_info).path_translated)) {
1956 SG(sapi_headers).http_response_code = 403;
1957 PUTS("Access denied.\n");
1958 goto fastcgi_request_done;
1959 }
1960
1961 /*
1962 * have to duplicate SG(request_info).path_translated to be able to log errrors
1963 * php_fopen_primary_script seems to delete SG(request_info).path_translated on failure
1964 */
1965 primary_script = estrdup(SG(request_info).path_translated);
1966
1967 /* path_translated exists, we can continue ! */
1968 if (php_fopen_primary_script(&file_handle TSRMLS_CC) == FAILURE) {
1969 zend_try {
1970 zlog(ZLOG_ERROR, "Unable to open primary script: %s (%s)", primary_script, strerror(errno));
1971 if (errno == EACCES) {
1972 SG(sapi_headers).http_response_code = 403;
1973 PUTS("Access denied.\n");
1974 } else {
1975 SG(sapi_headers).http_response_code = 404;
1976 PUTS("No input file specified.\n");
1977 }
1978 } zend_catch {
1979 } zend_end_try();
1980 /* we want to serve more requests if this is fastcgi
1981 * so cleanup and continue, request shutdown is
1982 * handled later */
1983
1984 goto fastcgi_request_done;
1985 }
1986
1987 fpm_request_executing();
1988
1989 php_execute_script(&file_handle TSRMLS_CC);
1990
1991 fastcgi_request_done:
1992 if (primary_script) {
1993 efree(primary_script);
1994 }
1995
1996 if (request_body_fd != -1) {
1997 close(request_body_fd);
1998 }
1999 request_body_fd = -2;
2000
2001 if (EG(exit_status) == 255) {
2002 if (CGIG(error_header) && *CGIG(error_header)) {
2003 sapi_header_line ctr = {0};
2004
2005 ctr.line = CGIG(error_header);
2006 ctr.line_len = strlen(CGIG(error_header));
2007 sapi_header_op(SAPI_HEADER_REPLACE, &ctr TSRMLS_CC);
2008 }
2009 }
2010
2011 fpm_request_end(TSRMLS_C);
2012 fpm_log_write(NULL TSRMLS_CC);
2013
2014 STR_FREE(SG(request_info).path_translated);
2015 SG(request_info).path_translated = NULL;
2016
2017 php_request_shutdown((void *) 0);
2018
2019 requests++;
2020 if (max_requests && (requests == max_requests)) {
2021 fcgi_finish_request(&request, 1);
2022 break;
2023 }
2024 /* end of fastcgi loop */
2025 }
2026 fcgi_shutdown();
2027
2028 if (cgi_sapi_module.php_ini_path_override) {
2029 free(cgi_sapi_module.php_ini_path_override);
2030 }
2031 if (cgi_sapi_module.ini_entries) {
2032 free(cgi_sapi_module.ini_entries);
2033 }
2034 } zend_catch {
2035 exit_status = FPM_EXIT_SOFTWARE;
2036 } zend_end_try();
2037
2038 out:
2039
2040 SG(server_context) = NULL;
2041 php_module_shutdown(TSRMLS_C);
2042
2043 if (parent) {
2044 sapi_shutdown();
2045 }
2046
2047 #ifdef ZTS
2048 tsrm_shutdown();
2049 #endif
2050
2051 #if defined(PHP_WIN32) && ZEND_DEBUG && 0
2052 _CrtDumpMemoryLeaks();
2053 #endif
2054
2055 return exit_status;
2056 }
2057 /* }}} */
2058
2059 /*
2060 * Local variables:
2061 * tab-width: 4
2062 * c-basic-offset: 4
2063 * End:
2064 * vim600: sw=4 ts=4 fdm=marker
2065 * vim<600: sw=4 ts=4
2066 */
2067
