1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 7 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2018 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
97 #include "php_getopt.h"
98
99 #include "http_status_codes.h"
100
101 #include "fastcgi.h"
102
103 #include <php_config.h>
104 #include "fpm.h"
105 #include "fpm_request.h"
106 #include "fpm_status.h"
107 #include "fpm_conf.h"
108 #include "fpm_php.h"
109 #include "fpm_log.h"
110 #include "zlog.h"
111
112 #ifndef PHP_WIN32
113 /* XXX this will need to change later when threaded fastcgi is implemented. shane */
114 struct sigaction act, old_term, old_quit, old_int;
115 #endif
116
117 static void (*php_php_import_environment_variables)(zval *array_ptr);
118
119 #ifndef PHP_WIN32
120 /* these globals used for forking children on unix systems */
121
122 /**
123 * Set to non-zero if we are the parent process
124 */
125 static int parent = 1;
126 #endif
127
128 static int request_body_fd;
129 static int fpm_is_running = 0;
130
131 static char *sapi_cgibin_getenv(char *name, size_t name_len);
132 static void fastcgi_ini_parser(zval *arg1, zval *arg2, zval *arg3, int callback_type, void *arg);
133
134 #define PHP_MODE_STANDARD 1
135 #define PHP_MODE_HIGHLIGHT 2
136 #define PHP_MODE_INDENT 3
137 #define PHP_MODE_LINT 4
138 #define PHP_MODE_STRIP 5
139
140 static char *php_optarg = NULL;
141 static int php_optind = 1;
142 static zend_module_entry cgi_module_entry;
143
144 static const opt_struct OPTIONS[] = {
145 {'c', 1, "php-ini"},
146 {'d', 1, "define"},
147 {'e', 0, "profile-info"},
148 {'h', 0, "help"},
149 {'i', 0, "info"},
150 {'m', 0, "modules"},
151 {'n', 0, "no-php-ini"},
152 {'?', 0, "usage"},/* help alias (both '?' and 'usage') */
153 {'v', 0, "version"},
154 {'y', 1, "fpm-config"},
155 {'t', 0, "test"},
156 {'p', 1, "prefix"},
157 {'g', 1, "pid"},
158 {'R', 0, "allow-to-run-as-root"},
159 {'D', 0, "daemonize"},
160 {'F', 0, "nodaemonize"},
161 {'O', 0, "force-stderr"},
162 {'-', 0, NULL} /* end of args */
163 };
164
165 typedef struct _php_cgi_globals_struct {
166 zend_bool rfc2616_headers;
167 zend_bool nph;
168 zend_bool fix_pathinfo;
169 zend_bool force_redirect;
170 zend_bool discard_path;
171 zend_bool fcgi_logging;
172 char *redirect_status_env;
173 HashTable user_config_cache;
174 char *error_header;
175 char *fpm_config;
176 } php_cgi_globals_struct;
177
178 /* {{{ user_config_cache
179 *
180 * Key for each cache entry is dirname(PATH_TRANSLATED).
181 *
182 * NOTE: Each cache entry config_hash contains the combination from all user ini files found in
183 * the path starting from doc_root throught to dirname(PATH_TRANSLATED). There is no point
184 * storing per-file entries as it would not be possible to detect added / deleted entries
185 * between separate files.
186 */
187 typedef struct _user_config_cache_entry {
188 time_t expires;
189 HashTable *user_config;
190 } user_config_cache_entry;
191
user_config_cache_entry_dtor(zval * el)192 static void user_config_cache_entry_dtor(zval *el)
193 {
194 user_config_cache_entry *entry = (user_config_cache_entry *)Z_PTR_P(el);
195 zend_hash_destroy(entry->user_config);
196 free(entry->user_config);
197 free(entry);
198 }
199 /* }}} */
200
201 #ifdef ZTS
202 static int php_cgi_globals_id;
203 #define CGIG(v) TSRMG(php_cgi_globals_id, php_cgi_globals_struct *, v)
204 #else
205 static php_cgi_globals_struct php_cgi_globals;
206 #define CGIG(v) (php_cgi_globals.v)
207 #endif
208
209 #ifdef PHP_WIN32
210 #define TRANSLATE_SLASHES(path) \
211 { \
212 char *tmp = path; \
213 while (*tmp) { \
214 if (*tmp == '\\') *tmp = '/'; \
215 tmp++; \
216 } \
217 }
218 #else
219 #define TRANSLATE_SLASHES(path)
220 #endif
221
print_module_info(zval * zv)222 static int print_module_info(zval *zv) /* {{{ */
223 {
224 zend_module_entry *module = Z_PTR_P(zv);
225 php_printf("%s\n", module->name);
226 return 0;
227 }
228 /* }}} */
229
module_name_cmp(const void * a,const void * b)230 static int module_name_cmp(const void *a, const void *b) /* {{{ */
231 {
232 Bucket *f = (Bucket *) a;
233 Bucket *s = (Bucket *) b;
234
235 return strcasecmp( ((zend_module_entry *) Z_PTR(f->val))->name,
236 ((zend_module_entry *) Z_PTR(s->val))->name);
237 }
238 /* }}} */
239
print_modules(void)240 static void print_modules(void) /* {{{ */
241 {
242 HashTable sorted_registry;
243
244 zend_hash_init(&sorted_registry, 50, NULL, NULL, 1);
245 zend_hash_copy(&sorted_registry, &module_registry, NULL);
246 zend_hash_sort(&sorted_registry, module_name_cmp, 0);
247 zend_hash_apply(&sorted_registry, print_module_info);
248 zend_hash_destroy(&sorted_registry);
249 }
250 /* }}} */
251
print_extension_info(zend_extension * ext,void * arg)252 static int print_extension_info(zend_extension *ext, void *arg) /* {{{ */
253 {
254 php_printf("%s\n", ext->name);
255 return 0;
256 }
257 /* }}} */
258
extension_name_cmp(const zend_llist_element ** f,const zend_llist_element ** s)259 static int extension_name_cmp(const zend_llist_element **f, const zend_llist_element **s) /* {{{ */
260 {
261 zend_extension *fe = (zend_extension*)(*f)->data;
262 zend_extension *se = (zend_extension*)(*s)->data;
263 return strcmp(fe->name, se->name);
264 }
265 /* }}} */
266
print_extensions(void)267 static void print_extensions(void) /* {{{ */
268 {
269 zend_llist sorted_exts;
270
271 zend_llist_copy(&sorted_exts, &zend_extensions);
272 sorted_exts.dtor = NULL;
273 zend_llist_sort(&sorted_exts, extension_name_cmp);
274 zend_llist_apply_with_argument(&sorted_exts, (llist_apply_with_arg_func_t) print_extension_info, NULL);
275 zend_llist_destroy(&sorted_exts);
276 }
277 /* }}} */
278
279 #ifndef STDOUT_FILENO
280 #define STDOUT_FILENO 1
281 #endif
282
sapi_cgibin_single_write(const char * str,uint32_t str_length)283 static inline size_t sapi_cgibin_single_write(const char *str, uint32_t str_length) /* {{{ */
284 {
285 ssize_t ret;
286
287 /* sapi has started which means everyhting must be send through fcgi */
288 if (fpm_is_running) {
289 fcgi_request *request = (fcgi_request*) SG(server_context);
290 ret = fcgi_write(request, FCGI_STDOUT, str, str_length);
291 if (ret <= 0) {
292 return 0;
293 }
294 return (size_t)ret;
295 }
296
297 /* sapi has not started, output to stdout instead of fcgi */
298 #ifdef PHP_WRITE_STDOUT
299 ret = write(STDOUT_FILENO, str, str_length);
300 if (ret <= 0) {
301 return 0;
302 }
303 return (size_t)ret;
304 #else
305 return fwrite(str, 1, MIN(str_length, 16384), stdout);
306 #endif
307 }
308 /* }}} */
309
sapi_cgibin_ub_write(const char * str,size_t str_length)310 static size_t sapi_cgibin_ub_write(const char *str, size_t str_length) /* {{{ */
311 {
312 const char *ptr = str;
313 uint32_t remaining = str_length;
314 size_t ret;
315
316 while (remaining > 0) {
317 ret = sapi_cgibin_single_write(ptr, remaining);
318 if (!ret) {
319 php_handle_aborted_connection();
320 return str_length - remaining;
321 }
322 ptr += ret;
323 remaining -= ret;
324 }
325
326 return str_length;
327 }
328 /* }}} */
329
sapi_cgibin_flush(void * server_context)330 static void sapi_cgibin_flush(void *server_context) /* {{{ */
331 {
332 /* fpm has started, let use fcgi instead of stdout */
333 if (fpm_is_running) {
334 fcgi_request *request = (fcgi_request*) server_context;
335 if (
336 #ifndef PHP_WIN32
337 !parent &&
338 #endif
339 request && !fcgi_flush(request, 0)) {
340 php_handle_aborted_connection();
341 }
342 return;
343 }
344
345 /* fpm has not started yet, let use stdout instead of fcgi */
346 if (fflush(stdout) == EOF) {
347 php_handle_aborted_connection();
348 }
349 }
350 /* }}} */
351
352 #define SAPI_CGI_MAX_HEADER_LENGTH 1024
353
sapi_cgi_send_headers(sapi_headers_struct * sapi_headers)354 static int sapi_cgi_send_headers(sapi_headers_struct *sapi_headers) /* {{{ */
355 {
356 char buf[SAPI_CGI_MAX_HEADER_LENGTH];
357 sapi_header_struct *h;
358 zend_llist_position pos;
359 zend_bool ignore_status = 0;
360 int response_status = SG(sapi_headers).http_response_code;
361
362 if (SG(request_info).no_headers == 1) {
363 return SAPI_HEADER_SENT_SUCCESSFULLY;
364 }
365
366 if (CGIG(nph) || SG(sapi_headers).http_response_code != 200)
367 {
368 int len;
369 zend_bool has_status = 0;
370
371 if (CGIG(rfc2616_headers) && SG(sapi_headers).http_status_line) {
372 char *s;
373 len = slprintf(buf, SAPI_CGI_MAX_HEADER_LENGTH, "%s\r\n", SG(sapi_headers).http_status_line);
374 if ((s = strchr(SG(sapi_headers).http_status_line, ' '))) {
375 response_status = atoi((s + 1));
376 }
377
378 if (len > SAPI_CGI_MAX_HEADER_LENGTH) {
379 len = SAPI_CGI_MAX_HEADER_LENGTH;
380 }
381
382 } else {
383 char *s;
384
385 if (SG(sapi_headers).http_status_line &&
386 (s = strchr(SG(sapi_headers).http_status_line, ' ')) != 0 &&
387 (s - SG(sapi_headers).http_status_line) >= 5 &&
388 strncasecmp(SG(sapi_headers).http_status_line, "HTTP/", 5) == 0
389 ) {
390 len = slprintf(buf, sizeof(buf), "Status:%s\r\n", s);
391 response_status = atoi((s + 1));
392 } else {
393 h = (sapi_header_struct*)zend_llist_get_first_ex(&sapi_headers->headers, &pos);
394 while (h) {
395 if (h->header_len > sizeof("Status:") - 1 &&
396 strncasecmp(h->header, "Status:", sizeof("Status:") - 1) == 0
397 ) {
398 has_status = 1;
399 break;
400 }
401 h = (sapi_header_struct*)zend_llist_get_next_ex(&sapi_headers->headers, &pos);
402 }
403 if (!has_status) {
404 http_response_status_code_pair *err = (http_response_status_code_pair*)http_status_map;
405
406 while (err->code != 0) {
407 if (err->code == SG(sapi_headers).http_response_code) {
408 break;
409 }
410 err++;
411 }
412 if (err->str) {
413 len = slprintf(buf, sizeof(buf), "Status: %d %s\r\n", SG(sapi_headers).http_response_code, err->str);
414 } else {
415 len = slprintf(buf, sizeof(buf), "Status: %d\r\n", SG(sapi_headers).http_response_code);
416 }
417 }
418 }
419 }
420
421 if (!has_status) {
422 PHPWRITE_H(buf, len);
423 ignore_status = 1;
424 }
425 }
426
427 h = (sapi_header_struct*)zend_llist_get_first_ex(&sapi_headers->headers, &pos);
428 while (h) {
429 /* prevent CRLFCRLF */
430 if (h->header_len) {
431 if (h->header_len > sizeof("Status:") - 1 &&
432 strncasecmp(h->header, "Status:", sizeof("Status:") - 1) == 0
433 ) {
434 if (!ignore_status) {
435 ignore_status = 1;
436 PHPWRITE_H(h->header, h->header_len);
437 PHPWRITE_H("\r\n", 2);
438 }
439 } else if (response_status == 304 && h->header_len > sizeof("Content-Type:") - 1 &&
440 strncasecmp(h->header, "Content-Type:", sizeof("Content-Type:") - 1) == 0
441 ) {
442 h = (sapi_header_struct*)zend_llist_get_next_ex(&sapi_headers->headers, &pos);
443 continue;
444 } else {
445 PHPWRITE_H(h->header, h->header_len);
446 PHPWRITE_H("\r\n", 2);
447 }
448 }
449 h = (sapi_header_struct*)zend_llist_get_next_ex(&sapi_headers->headers, &pos);
450 }
451 PHPWRITE_H("\r\n", 2);
452
453 return SAPI_HEADER_SENT_SUCCESSFULLY;
454 }
455 /* }}} */
456
457 #ifndef STDIN_FILENO
458 # define STDIN_FILENO 0
459 #endif
460
461 #ifndef HAVE_ATTRIBUTE_WEAK
fpm_fcgi_log(int type,const char * fmt,...)462 static void fpm_fcgi_log(int type, const char *fmt, ...) /* {{{ */
463 #else
464 void fcgi_log(int type, const char *fmt, ...)
465 #endif
466 {
467 va_list args;
468 va_start(args, fmt);
469 vzlog("", 0, type, fmt, args);
470 va_end(args);
471 }
472 /* }}} */
473
sapi_cgi_read_post(char * buffer,size_t count_bytes)474 static size_t sapi_cgi_read_post(char *buffer, size_t count_bytes) /* {{{ */
475 {
476 uint32_t read_bytes = 0;
477 int tmp_read_bytes;
478 size_t remaining = SG(request_info).content_length - SG(read_post_bytes);
479
480 if (remaining < count_bytes) {
481 count_bytes = remaining;
482 }
483 while (read_bytes < count_bytes) {
484 fcgi_request *request = (fcgi_request*) SG(server_context);
485 if (request_body_fd == -1) {
486 char *request_body_filename = FCGI_GETENV(request, "REQUEST_BODY_FILE");
487
488 if (request_body_filename && *request_body_filename) {
489 request_body_fd = open(request_body_filename, O_RDONLY);
490
491 if (0 > request_body_fd) {
492 php_error(E_WARNING, "REQUEST_BODY_FILE: open('%s') failed: %s (%d)",
493 request_body_filename, strerror(errno), errno);
494 return 0;
495 }
496 }
497 }
498
499 /* If REQUEST_BODY_FILE variable not available - read post body from fastcgi stream */
500 if (request_body_fd < 0) {
501 tmp_read_bytes = fcgi_read(request, buffer + read_bytes, count_bytes - read_bytes);
502 } else {
503 tmp_read_bytes = read(request_body_fd, buffer + read_bytes, count_bytes - read_bytes);
504 }
505 if (tmp_read_bytes <= 0) {
506 break;
507 }
508 read_bytes += tmp_read_bytes;
509 }
510 return read_bytes;
511 }
512 /* }}} */
513
sapi_cgibin_getenv(char * name,size_t name_len)514 static char *sapi_cgibin_getenv(char *name, size_t name_len) /* {{{ */
515 {
516 /* if fpm has started, use fcgi env */
517 if (fpm_is_running) {
518 fcgi_request *request = (fcgi_request*) SG(server_context);
519 return fcgi_getenv(request, name, name_len);
520 }
521
522 /* if fpm has not started yet, use std env */
523 return getenv(name);
524 }
525 /* }}} */
526
527 #if 0
528 static char *_sapi_cgibin_putenv(char *name, char *value) /* {{{ */
529 {
530 int name_len;
531
532 if (!name) {
533 return NULL;
534 }
535 name_len = strlen(name);
536
537 fcgi_request *request = (fcgi_request*) SG(server_context);
538 return fcgi_putenv(request, name, name_len, value);
539 }
540 /* }}} */
541 #endif
542
sapi_cgi_read_cookies(void)543 static char *sapi_cgi_read_cookies(void) /* {{{ */
544 {
545 fcgi_request *request = (fcgi_request*) SG(server_context);
546
547 return FCGI_GETENV(request, "HTTP_COOKIE");
548 }
549 /* }}} */
550
cgi_php_load_env_var(char * var,unsigned int var_len,char * val,unsigned int val_len,void * arg)551 static void cgi_php_load_env_var(char *var, unsigned int var_len, char *val, unsigned int val_len, void *arg) /* {{{ */
552 {
553 zval *array_ptr = (zval*)arg;
554 int filter_arg = (Z_ARR_P(array_ptr) == Z_ARR(PG(http_globals)[TRACK_VARS_ENV]))?PARSE_ENV:PARSE_SERVER;
555 size_t new_val_len;
556
557 if (sapi_module.input_filter(filter_arg, var, &val, strlen(val), &new_val_len)) {
558 php_register_variable_safe(var, val, new_val_len, array_ptr);
559 }
560 }
561 /* }}} */
562
cgi_php_import_environment_variables(zval * array_ptr)563 void cgi_php_import_environment_variables(zval *array_ptr) /* {{{ */
564 {
565 fcgi_request *request = NULL;
566
567 if (Z_TYPE(PG(http_globals)[TRACK_VARS_ENV]) == IS_ARRAY &&
568 Z_ARR_P(array_ptr) != Z_ARR(PG(http_globals)[TRACK_VARS_ENV]) &&
569 zend_hash_num_elements(Z_ARRVAL(PG(http_globals)[TRACK_VARS_ENV])) > 0
570 ) {
571 zval_dtor(array_ptr);
572 ZVAL_DUP(array_ptr, &PG(http_globals)[TRACK_VARS_ENV]);
573 return;
574 } else if (Z_TYPE(PG(http_globals)[TRACK_VARS_SERVER]) == IS_ARRAY &&
575 Z_ARR_P(array_ptr) != Z_ARR(PG(http_globals)[TRACK_VARS_SERVER]) &&
576 zend_hash_num_elements(Z_ARRVAL(PG(http_globals)[TRACK_VARS_SERVER])) > 0
577 ) {
578 zval_dtor(array_ptr);
579 ZVAL_DUP(array_ptr, &PG(http_globals)[TRACK_VARS_SERVER]);
580 return;
581 }
582
583 /* call php's original import as a catch-all */
584 php_php_import_environment_variables(array_ptr);
585
586 request = (fcgi_request*) SG(server_context);
587 fcgi_loadenv(request, cgi_php_load_env_var, array_ptr);
588 }
589 /* }}} */
590
sapi_cgi_register_variables(zval * track_vars_array)591 static void sapi_cgi_register_variables(zval *track_vars_array) /* {{{ */
592 {
593 size_t php_self_len;
594 char *php_self;
595
596 /* In CGI mode, we consider the environment to be a part of the server
597 * variables
598 */
599 php_import_environment_variables(track_vars_array);
600
601 if (CGIG(fix_pathinfo)) {
602 char *script_name = SG(request_info).request_uri;
603 unsigned int script_name_len = script_name ? strlen(script_name) : 0;
604 char *path_info = sapi_cgibin_getenv("PATH_INFO", sizeof("PATH_INFO") - 1);
605 unsigned int path_info_len = path_info ? strlen(path_info) : 0;
606
607 php_self_len = script_name_len + path_info_len;
608 php_self = emalloc(php_self_len + 1);
609
610 /* Concat script_name and path_info into php_self */
611 if (script_name) {
612 memcpy(php_self, script_name, script_name_len + 1);
613 }
614 if (path_info) {
615 memcpy(php_self + script_name_len, path_info, path_info_len + 1);
616 }
617
618 /* Build the special-case PHP_SELF variable for the CGI version */
619 if (sapi_module.input_filter(PARSE_SERVER, "PHP_SELF", &php_self, php_self_len, &php_self_len)) {
620 php_register_variable_safe("PHP_SELF", php_self, php_self_len, track_vars_array);
621 }
622 efree(php_self);
623 } else {
624 php_self = SG(request_info).request_uri ? SG(request_info).request_uri : "";
625 php_self_len = strlen(php_self);
626 if (sapi_module.input_filter(PARSE_SERVER, "PHP_SELF", &php_self, php_self_len, &php_self_len)) {
627 php_register_variable_safe("PHP_SELF", php_self, php_self_len, track_vars_array);
628 }
629 }
630 }
631 /* }}} */
632
633 /* {{{ sapi_cgi_log_fastcgi
634 *
635 * Ignore level, we want to send all messages through fastcgi
636 */
sapi_cgi_log_fastcgi(int level,char * message,size_t len)637 void sapi_cgi_log_fastcgi(int level, char *message, size_t len)
638 {
639
640 fcgi_request *request = (fcgi_request*) SG(server_context);
641
642 /* ensure we want:
643 * - to log (fastcgi.logging in php.ini)
644 * - we are currently dealing with a request
645 * - the message is not empty
646 */
647 if (CGIG(fcgi_logging) && request && message && len > 0) {
648 ssize_t ret;
649 char *buf = malloc(len + 2);
650 memcpy(buf, message, len);
651 memcpy(buf + len, "\n", sizeof("\n"));
652 ret = fcgi_write(request, FCGI_STDERR, buf, len + 1);
653 free(buf);
654 if (ret < 0) {
655 php_handle_aborted_connection();
656 }
657 }
658 }
659 /* }}} */
660
661 /* {{{ sapi_cgi_log_message
662 */
sapi_cgi_log_message(char * message,int syslog_type_int)663 static void sapi_cgi_log_message(char *message, int syslog_type_int)
664 {
665 zlog(ZLOG_NOTICE, "PHP message: %s", message);
666 }
667 /* }}} */
668
669 /* {{{ php_cgi_ini_activate_user_config
670 */
php_cgi_ini_activate_user_config(char * path,int path_len,const char * doc_root,int doc_root_len,int start)671 static void php_cgi_ini_activate_user_config(char *path, int path_len, const char *doc_root, int doc_root_len, int start)
672 {
673 char *ptr;
674 time_t request_time = sapi_get_request_time();
675 user_config_cache_entry *entry = zend_hash_str_find_ptr(&CGIG(user_config_cache), path, path_len);
676
677 /* Find cached config entry: If not found, create one */
678 if (!entry) {
679 entry = pemalloc(sizeof(user_config_cache_entry), 1);
680 entry->expires = 0;
681 entry->user_config = (HashTable *) pemalloc(sizeof(HashTable), 1);
682 zend_hash_init(entry->user_config, 0, NULL, config_zval_dtor, 1);
683 zend_hash_str_update_ptr(&CGIG(user_config_cache), path, path_len, entry);
684 }
685
686 /* Check whether cache entry has expired and rescan if it is */
687 if (request_time > entry->expires) {
688 char * real_path;
689 int real_path_len;
690 char *s1, *s2;
691 int s_len;
692
693 /* Clear the expired config */
694 zend_hash_clean(entry->user_config);
695
696 if (!IS_ABSOLUTE_PATH(path, path_len)) {
697 real_path = tsrm_realpath(path, NULL);
698 if (real_path == NULL) {
699 return;
700 }
701 real_path_len = strlen(real_path);
702 path = real_path;
703 path_len = real_path_len;
704 }
705
706 if (path_len > doc_root_len) {
707 s1 = (char *) doc_root;
708 s2 = path;
709 s_len = doc_root_len;
710 } else {
711 s1 = path;
712 s2 = (char *) doc_root;
713 s_len = path_len;
714 }
715
716 /* we have to test if path is part of DOCUMENT_ROOT.
717 if it is inside the docroot, we scan the tree up to the docroot
718 to find more user.ini, if not we only scan the current path.
719 */
720 #ifdef PHP_WIN32
721 if (strnicmp(s1, s2, s_len) == 0) {
722 #else
723 if (strncmp(s1, s2, s_len) == 0) {
724 #endif
725 ptr = s2 + start; /* start is the point where doc_root ends! */
726 while ((ptr = strchr(ptr, DEFAULT_SLASH)) != NULL) {
727 *ptr = 0;
728 php_parse_user_ini_file(path, PG(user_ini_filename), entry->user_config);
729 *ptr = '/';
730 ptr++;
731 }
732 } else {
733 php_parse_user_ini_file(path, PG(user_ini_filename), entry->user_config);
734 }
735
736 entry->expires = request_time + PG(user_ini_cache_ttl);
737 }
738
739 /* Activate ini entries with values from the user config hash */
740 php_ini_activate_config(entry->user_config, PHP_INI_PERDIR, PHP_INI_STAGE_HTACCESS);
741 }
742 /* }}} */
743
744 static int sapi_cgi_activate(void) /* {{{ */
745 {
746 fcgi_request *request = (fcgi_request*) SG(server_context);
747 char *path, *doc_root, *server_name;
748 uint32_t path_len, doc_root_len, server_name_len;
749
750 /* PATH_TRANSLATED should be defined at this stage but better safe than sorry :) */
751 if (!SG(request_info).path_translated) {
752 return FAILURE;
753 }
754
755 if (php_ini_has_per_host_config()) {
756 /* Activate per-host-system-configuration defined in php.ini and stored into configuration_hash during startup */
757 server_name = FCGI_GETENV(request, "SERVER_NAME");
758 /* SERVER_NAME should also be defined at this stage..but better check it anyway */
759 if (server_name) {
760 server_name_len = strlen(server_name);
761 server_name = estrndup(server_name, server_name_len);
762 zend_str_tolower(server_name, server_name_len);
763 php_ini_activate_per_host_config(server_name, server_name_len);
764 efree(server_name);
765 }
766 }
767
768 if (php_ini_has_per_dir_config() ||
769 (PG(user_ini_filename) && *PG(user_ini_filename))
770 ) {
771 /* Prepare search path */
772 path_len = strlen(SG(request_info).path_translated);
773
774 /* Make sure we have trailing slash! */
775 if (!IS_SLASH(SG(request_info).path_translated[path_len])) {
776 path = emalloc(path_len + 2);
777 memcpy(path, SG(request_info).path_translated, path_len + 1);
778 path_len = zend_dirname(path, path_len);
779 path[path_len++] = DEFAULT_SLASH;
780 } else {
781 path = estrndup(SG(request_info).path_translated, path_len);
782 path_len = zend_dirname(path, path_len);
783 }
784 path[path_len] = 0;
785
786 /* Activate per-dir-system-configuration defined in php.ini and stored into configuration_hash during startup */
787 php_ini_activate_per_dir_config(path, path_len); /* Note: for global settings sake we check from root to path */
788
789 /* Load and activate user ini files in path starting from DOCUMENT_ROOT */
790 if (PG(user_ini_filename) && *PG(user_ini_filename)) {
791 doc_root = FCGI_GETENV(request, "DOCUMENT_ROOT");
792 /* DOCUMENT_ROOT should also be defined at this stage..but better check it anyway */
793 if (doc_root) {
794 doc_root_len = strlen(doc_root);
795 if (doc_root_len > 0 && IS_SLASH(doc_root[doc_root_len - 1])) {
796 --doc_root_len;
797 }
798 #ifdef PHP_WIN32
799 /* paths on windows should be case-insensitive */
800 doc_root = estrndup(doc_root, doc_root_len);
801 zend_str_tolower(doc_root, doc_root_len);
802 #endif
803 php_cgi_ini_activate_user_config(path, path_len, doc_root, doc_root_len, doc_root_len - 1);
804 }
805 }
806
807 #ifdef PHP_WIN32
808 efree(doc_root);
809 #endif
810 efree(path);
811 }
812
813 return SUCCESS;
814 }
815 /* }}} */
816
817 static int sapi_cgi_deactivate(void) /* {{{ */
818 {
819 /* flush only when SAPI was started. The reasons are:
820 1. SAPI Deactivate is called from two places: module init and request shutdown
821 2. When the first call occurs and the request is not set up, flush fails on FastCGI.
822 */
823 if (SG(sapi_started)) {
824 if (
825 #ifndef PHP_WIN32
826 !parent &&
827 #endif
828 !fcgi_finish_request((fcgi_request*)SG(server_context), 0)) {
829 php_handle_aborted_connection();
830 }
831 }
832 return SUCCESS;
833 }
834 /* }}} */
835
836 static int php_cgi_startup(sapi_module_struct *sapi_module) /* {{{ */
837 {
838 if (php_module_startup(sapi_module, &cgi_module_entry, 1) == FAILURE) {
839 return FAILURE;
840 }
841 return SUCCESS;
842 }
843 /* }}} */
844
845 /* {{{ sapi_module_struct cgi_sapi_module
846 */
847 static sapi_module_struct cgi_sapi_module = {
848 "fpm-fcgi", /* name */
849 "FPM/FastCGI", /* pretty name */
850
851 php_cgi_startup, /* startup */
852 php_module_shutdown_wrapper, /* shutdown */
853
854 sapi_cgi_activate, /* activate */
855 sapi_cgi_deactivate, /* deactivate */
856
857 sapi_cgibin_ub_write, /* unbuffered write */
858 sapi_cgibin_flush, /* flush */
859 NULL, /* get uid */
860 sapi_cgibin_getenv, /* getenv */
861
862 php_error, /* error handler */
863
864 NULL, /* header handler */
865 sapi_cgi_send_headers, /* send headers handler */
866 NULL, /* send header handler */
867
868 sapi_cgi_read_post, /* read POST data */
869 sapi_cgi_read_cookies, /* read Cookies */
870
871 sapi_cgi_register_variables, /* register server variables */
872 sapi_cgi_log_message, /* Log message */
873 NULL, /* Get request time */
874 NULL, /* Child terminate */
875
876 STANDARD_SAPI_MODULE_PROPERTIES
877 };
878 /* }}} */
879
880 /* {{{ php_cgi_usage
881 */
882 static void php_cgi_usage(char *argv0)
883 {
884 char *prog;
885
886 prog = strrchr(argv0, '/');
887 if (prog) {
888 prog++;
889 } else {
890 prog = "php";
891 }
892
893 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"
894 " -c <path>|<file> Look for php.ini file in this directory\n"
895 " -n No php.ini file will be used\n"
896 " -d foo[=bar] Define INI entry foo with value 'bar'\n"
897 " -e Generate extended information for debugger/profiler\n"
898 " -h This help\n"
899 " -i PHP information\n"
900 " -m Show compiled in modules\n"
901 " -v Version number\n"
902 " -p, --prefix <dir>\n"
903 " Specify alternative prefix path to FastCGI process manager (default: %s).\n"
904 " -g, --pid <file>\n"
905 " Specify the PID file location.\n"
906 " -y, --fpm-config <file>\n"
907 " Specify alternative path to FastCGI process manager config file.\n"
908 " -t, --test Test FPM configuration and exit\n"
909 " -D, --daemonize force to run in background, and ignore daemonize option from config file\n"
910 " -F, --nodaemonize\n"
911 " force to stay in foreground, and ignore daemonize option from config file\n"
912 " -O, --force-stderr\n"
913 " force output to stderr in nodaemonize even if stderr is not a TTY\n"
914 " -R, --allow-to-run-as-root\n"
915 " Allow pool to run as root (disabled by default)\n",
916 prog, PHP_PREFIX);
917 }
918 /* }}} */
919
920 /* {{{ is_valid_path
921 *
922 * some server configurations allow '..' to slip through in the
923 * translated path. We'll just refuse to handle such a path.
924 */
925 static int is_valid_path(const char *path)
926 {
927 const char *p;
928
929 if (!path) {
930 return 0;
931 }
932 p = strstr(path, "..");
933 if (p) {
934 if ((p == path || IS_SLASH(*(p-1))) &&
935 (*(p+2) == 0 || IS_SLASH(*(p+2)))
936 ) {
937 return 0;
938 }
939 while (1) {
940 p = strstr(p+1, "..");
941 if (!p) {
942 break;
943 }
944 if (IS_SLASH(*(p-1)) &&
945 (*(p+2) == 0 || IS_SLASH(*(p+2)))
946 ) {
947 return 0;
948 }
949 }
950 }
951 return 1;
952 }
953 /* }}} */
954
955 /* {{{ init_request_info
956
957 initializes request_info structure
958
959 specificly in this section we handle proper translations
960 for:
961
962 PATH_INFO
963 derived from the portion of the URI path following
964 the script name but preceding any query data
965 may be empty
966
967 PATH_TRANSLATED
968 derived by taking any path-info component of the
969 request URI and performing any virtual-to-physical
970 translation appropriate to map it onto the server's
971 document repository structure
972
973 empty if PATH_INFO is empty
974
975 The env var PATH_TRANSLATED **IS DIFFERENT** than the
976 request_info.path_translated variable, the latter should
977 match SCRIPT_FILENAME instead.
978
979 SCRIPT_NAME
980 set to a URL path that could identify the CGI script
981 rather than the interpreter. PHP_SELF is set to this
982
983 REQUEST_URI
984 uri section following the domain:port part of a URI
985
986 SCRIPT_FILENAME
987 The virtual-to-physical translation of SCRIPT_NAME (as per
988 PATH_TRANSLATED)
989
990 These settings are documented at
991 http://cgi-spec.golux.com/
992
993
994 Based on the following URL request:
995
996 http://localhost/info.php/test?a=b
997
998 should produce, which btw is the same as if
999 we were running under mod_cgi on apache (ie. not
1000 using ScriptAlias directives):
1001
1002 PATH_INFO=/test
1003 PATH_TRANSLATED=/docroot/test
1004 SCRIPT_NAME=/info.php
1005 REQUEST_URI=/info.php/test?a=b
1006 SCRIPT_FILENAME=/docroot/info.php
1007 QUERY_STRING=a=b
1008
1009 but what we get is (cgi/mod_fastcgi under apache):
1010
1011 PATH_INFO=/info.php/test
1012 PATH_TRANSLATED=/docroot/info.php/test
1013 SCRIPT_NAME=/php/php-cgi (from the Action setting I suppose)
1014 REQUEST_URI=/info.php/test?a=b
1015 SCRIPT_FILENAME=/path/to/php/bin/php-cgi (Action setting translated)
1016 QUERY_STRING=a=b
1017
1018 Comments in the code below refer to using the above URL in a request
1019
1020 */
1021 static void init_request_info(void)
1022 {
1023 fcgi_request *request = (fcgi_request*) SG(server_context);
1024 char *env_script_filename = FCGI_GETENV(request, "SCRIPT_FILENAME");
1025 char *env_path_translated = FCGI_GETENV(request, "PATH_TRANSLATED");
1026 char *script_path_translated = env_script_filename;
1027 char *ini;
1028 int apache_was_here = 0;
1029
1030 /* some broken servers do not have script_filename or argv0
1031 * an example, IIS configured in some ways. then they do more
1032 * broken stuff and set path_translated to the cgi script location */
1033 if (!script_path_translated && env_path_translated) {
1034 script_path_translated = env_path_translated;
1035 }
1036
1037 /* initialize the defaults */
1038 SG(request_info).path_translated = NULL;
1039 SG(request_info).request_method = NULL;
1040 SG(request_info).proto_num = 1000;
1041 SG(request_info).query_string = NULL;
1042 SG(request_info).request_uri = NULL;
1043 SG(request_info).content_type = NULL;
1044 SG(request_info).content_length = 0;
1045 SG(sapi_headers).http_response_code = 200;
1046
1047 /* script_path_translated being set is a good indication that
1048 * we are running in a cgi environment, since it is always
1049 * null otherwise. otherwise, the filename
1050 * of the script will be retreived later via argc/argv */
1051 if (script_path_translated) {
1052 const char *auth;
1053 char *content_length = FCGI_GETENV(request, "CONTENT_LENGTH");
1054 char *content_type = FCGI_GETENV(request, "CONTENT_TYPE");
1055 char *env_path_info = FCGI_GETENV(request, "PATH_INFO");
1056 char *env_script_name = FCGI_GETENV(request, "SCRIPT_NAME");
1057
1058 /* Hack for buggy IIS that sets incorrect PATH_INFO */
1059 char *env_server_software = FCGI_GETENV(request, "SERVER_SOFTWARE");
1060 if (env_server_software &&
1061 env_script_name &&
1062 env_path_info &&
1063 strncmp(env_server_software, "Microsoft-IIS", sizeof("Microsoft-IIS") - 1) == 0 &&
1064 strncmp(env_path_info, env_script_name, strlen(env_script_name)) == 0
1065 ) {
1066 env_path_info = FCGI_PUTENV(request, "ORIG_PATH_INFO", env_path_info);
1067 env_path_info += strlen(env_script_name);
1068 if (*env_path_info == 0) {
1069 env_path_info = NULL;
1070 }
1071 env_path_info = FCGI_PUTENV(request, "PATH_INFO", env_path_info);
1072 }
1073
1074 #define APACHE_PROXY_FCGI_PREFIX "proxy:fcgi://"
1075 #define APACHE_PROXY_BALANCER_PREFIX "proxy:balancer://"
1076 /* Fix proxy URLs in SCRIPT_FILENAME generated by Apache mod_proxy_fcgi and mod_proxy_balancer:
1077 * proxy:fcgi://localhost:9000/some-dir/info.php/test?foo=bar
1078 * proxy:balancer://localhost:9000/some-dir/info.php/test?foo=bar
1079 * should be changed to:
1080 * /some-dir/info.php/test
1081 * See: http://bugs.php.net/bug.php?id=54152
1082 * http://bugs.php.net/bug.php?id=62172
1083 * https://issues.apache.org/bugzilla/show_bug.cgi?id=50851
1084 */
1085 if (env_script_filename &&
1086 strncasecmp(env_script_filename, APACHE_PROXY_FCGI_PREFIX, sizeof(APACHE_PROXY_FCGI_PREFIX) - 1) == 0) {
1087 /* advance to first character of hostname */
1088 char *p = env_script_filename + (sizeof(APACHE_PROXY_FCGI_PREFIX) - 1);
1089 while (*p != '\0' && *p != '/') {
1090 p++; /* move past hostname and port */
1091 }
1092 if (*p != '\0') {
1093 /* Copy path portion in place to avoid memory leak. Note
1094 * that this also affects what script_path_translated points
1095 * to. */
1096 memmove(env_script_filename, p, strlen(p) + 1);
1097 apache_was_here = 1;
1098 }
1099 /* ignore query string if sent by Apache (RewriteRule) */
1100 p = strchr(env_script_filename, '?');
1101 if (p) {
1102 *p =0;
1103 }
1104 }
1105
1106 if (env_script_filename &&
1107 strncasecmp(env_script_filename, APACHE_PROXY_BALANCER_PREFIX, sizeof(APACHE_PROXY_BALANCER_PREFIX) - 1) == 0) {
1108 /* advance to first character of hostname */
1109 char *p = env_script_filename + (sizeof(APACHE_PROXY_BALANCER_PREFIX) - 1);
1110 while (*p != '\0' && *p != '/') {
1111 p++; /* move past hostname and port */
1112 }
1113 if (*p != '\0') {
1114 /* Copy path portion in place to avoid memory leak. Note
1115 * that this also affects what script_path_translated points
1116 * to. */
1117 memmove(env_script_filename, p, strlen(p) + 1);
1118 apache_was_here = 1;
1119 }
1120 /* ignore query string if sent by Apache (RewriteRule) */
1121 p = strchr(env_script_filename, '?');
1122 if (p) {
1123 *p =0;
1124 }
1125 }
1126
1127 if (CGIG(fix_pathinfo)) {
1128 struct stat st;
1129 char *real_path = NULL;
1130 char *env_redirect_url = FCGI_GETENV(request, "REDIRECT_URL");
1131 char *env_document_root = FCGI_GETENV(request, "DOCUMENT_ROOT");
1132 char *orig_path_translated = env_path_translated;
1133 char *orig_path_info = env_path_info;
1134 char *orig_script_name = env_script_name;
1135 char *orig_script_filename = env_script_filename;
1136 int script_path_translated_len;
1137
1138 if (!env_document_root && PG(doc_root)) {
1139 env_document_root = FCGI_PUTENV(request, "DOCUMENT_ROOT", PG(doc_root));
1140 /* fix docroot */
1141 TRANSLATE_SLASHES(env_document_root);
1142 }
1143
1144 if (!apache_was_here && env_path_translated != NULL && env_redirect_url != NULL &&
1145 env_path_translated != script_path_translated &&
1146 strcmp(env_path_translated, script_path_translated) != 0) {
1147 /*
1148 * pretty much apache specific. If we have a redirect_url
1149 * then our script_filename and script_name point to the
1150 * php executable
1151 * we don't want to do this for the new mod_proxy_fcgi approach,
1152 * where redirect_url may also exist but the below will break
1153 * with rewrites to PATH_INFO, hence the !apache_was_here check
1154 */
1155 script_path_translated = env_path_translated;
1156 /* we correct SCRIPT_NAME now in case we don't have PATH_INFO */
1157 env_script_name = env_redirect_url;
1158 }
1159
1160 #ifdef __riscos__
1161 /* Convert path to unix format*/
1162 __riscosify_control |= __RISCOSIFY_DONT_CHECK_DIR;
1163 script_path_translated = __unixify(script_path_translated, 0, NULL, 1, 0);
1164 #endif
1165
1166 /*
1167 * if the file doesn't exist, try to extract PATH_INFO out
1168 * of it by stat'ing back through the '/'
1169 * this fixes url's like /info.php/test
1170 */
1171 if (script_path_translated &&
1172 (script_path_translated_len = strlen(script_path_translated)) > 0 &&
1173 (script_path_translated[script_path_translated_len-1] == '/' ||
1174 #ifdef PHP_WIN32
1175 script_path_translated[script_path_translated_len-1] == '\\' ||
1176 #endif
1177 (real_path = tsrm_realpath(script_path_translated, NULL)) == NULL)
1178 ) {
1179 char *pt = estrndup(script_path_translated, script_path_translated_len);
1180 int len = script_path_translated_len;
1181 char *ptr;
1182
1183 if (pt) {
1184 while ((ptr = strrchr(pt, '/')) || (ptr = strrchr(pt, '\\'))) {
1185 *ptr = 0;
1186 if (stat(pt, &st) == 0 && S_ISREG(st.st_mode)) {
1187 /*
1188 * okay, we found the base script!
1189 * work out how many chars we had to strip off;
1190 * then we can modify PATH_INFO
1191 * accordingly
1192 *
1193 * we now have the makings of
1194 * PATH_INFO=/test
1195 * SCRIPT_FILENAME=/docroot/info.php
1196 *
1197 * we now need to figure out what docroot is.
1198 * if DOCUMENT_ROOT is set, this is easy, otherwise,
1199 * we have to play the game of hide and seek to figure
1200 * out what SCRIPT_NAME should be
1201 */
1202 int ptlen = strlen(pt);
1203 int slen = len - ptlen;
1204 int pilen = env_path_info ? strlen(env_path_info) : 0;
1205 int tflag = 0;
1206 char *path_info;
1207 if (apache_was_here) {
1208 /* recall that PATH_INFO won't exist */
1209 path_info = script_path_translated + ptlen;
1210 tflag = (slen != 0 && (!orig_path_info || strcmp(orig_path_info, path_info) != 0));
1211 } else {
1212 path_info = (env_path_info && pilen > slen) ? env_path_info + pilen - slen : NULL;
1213 tflag = path_info && (orig_path_info != path_info);
1214 }
1215
1216 if (tflag) {
1217 if (orig_path_info) {
1218 char old;
1219
1220 FCGI_PUTENV(request, "ORIG_PATH_INFO", orig_path_info);
1221 old = path_info[0];
1222 path_info[0] = 0;
1223 if (!orig_script_name ||
1224 strcmp(orig_script_name, env_path_info) != 0) {
1225 if (orig_script_name) {
1226 FCGI_PUTENV(request, "ORIG_SCRIPT_NAME", orig_script_name);
1227 }
1228 SG(request_info).request_uri = FCGI_PUTENV(request, "SCRIPT_NAME", env_path_info);
1229 } else {
1230 SG(request_info).request_uri = orig_script_name;
1231 }
1232 path_info[0] = old;
1233 } else if (apache_was_here && env_script_name) {
1234 /* Using mod_proxy_fcgi and ProxyPass, apache cannot set PATH_INFO
1235 * As we can extract PATH_INFO from PATH_TRANSLATED
1236 * it is probably also in SCRIPT_NAME and need to be removed
1237 */
1238 int snlen = strlen(env_script_name);
1239 if (snlen>slen && !strcmp(env_script_name+snlen-slen, path_info)) {
1240 FCGI_PUTENV(request, "ORIG_SCRIPT_NAME", orig_script_name);
1241 env_script_name[snlen-slen] = 0;
1242 SG(request_info).request_uri = FCGI_PUTENV(request, "SCRIPT_NAME", env_script_name);
1243 }
1244 }
1245 env_path_info = FCGI_PUTENV(request, "PATH_INFO", path_info);
1246 }
1247 if (!orig_script_filename ||
1248 strcmp(orig_script_filename, pt) != 0) {
1249 if (orig_script_filename) {
1250 FCGI_PUTENV(request, "ORIG_SCRIPT_FILENAME", orig_script_filename);
1251 }
1252 script_path_translated = FCGI_PUTENV(request, "SCRIPT_FILENAME", pt);
1253 }
1254 TRANSLATE_SLASHES(pt);
1255
1256 /* figure out docroot
1257 * SCRIPT_FILENAME minus SCRIPT_NAME
1258 */
1259 if (env_document_root) {
1260 int l = strlen(env_document_root);
1261 int path_translated_len = 0;
1262 char *path_translated = NULL;
1263
1264 if (l && env_document_root[l - 1] == '/') {
1265 --l;
1266 }
1267
1268 /* we have docroot, so we should have:
1269 * DOCUMENT_ROOT=/docroot
1270 * SCRIPT_FILENAME=/docroot/info.php
1271 */
1272
1273 /* PATH_TRANSLATED = DOCUMENT_ROOT + PATH_INFO */
1274 path_translated_len = l + (env_path_info ? strlen(env_path_info) : 0);
1275 path_translated = (char *) emalloc(path_translated_len + 1);
1276 memcpy(path_translated, env_document_root, l);
1277 if (env_path_info) {
1278 memcpy(path_translated + l, env_path_info, (path_translated_len - l));
1279 }
1280 path_translated[path_translated_len] = '\0';
1281 if (orig_path_translated) {
1282 FCGI_PUTENV(request, "ORIG_PATH_TRANSLATED", orig_path_translated);
1283 }
1284 env_path_translated = FCGI_PUTENV(request, "PATH_TRANSLATED", path_translated);
1285 efree(path_translated);
1286 } else if ( env_script_name &&
1287 strstr(pt, env_script_name)
1288 ) {
1289 /* PATH_TRANSLATED = PATH_TRANSLATED - SCRIPT_NAME + PATH_INFO */
1290 int ptlen = strlen(pt) - strlen(env_script_name);
1291 int path_translated_len = ptlen + (env_path_info ? strlen(env_path_info) : 0);
1292 char *path_translated = NULL;
1293
1294 path_translated = (char *) emalloc(path_translated_len + 1);
1295 memcpy(path_translated, pt, ptlen);
1296 if (env_path_info) {
1297 memcpy(path_translated + ptlen, env_path_info, path_translated_len - ptlen);
1298 }
1299 path_translated[path_translated_len] = '\0';
1300 if (orig_path_translated) {
1301 FCGI_PUTENV(request, "ORIG_PATH_TRANSLATED", orig_path_translated);
1302 }
1303 env_path_translated = FCGI_PUTENV(request, "PATH_TRANSLATED", path_translated);
1304 efree(path_translated);
1305 }
1306 break;
1307 }
1308 }
1309 } else {
1310 ptr = NULL;
1311 }
1312 if (!ptr) {
1313 /*
1314 * if we stripped out all the '/' and still didn't find
1315 * a valid path... we will fail, badly. of course we would
1316 * have failed anyway... we output 'no input file' now.
1317 */
1318 if (orig_script_filename) {
1319 FCGI_PUTENV(request, "ORIG_SCRIPT_FILENAME", orig_script_filename);
1320 }
1321 script_path_translated = FCGI_PUTENV(request, "SCRIPT_FILENAME", NULL);
1322 SG(sapi_headers).http_response_code = 404;
1323 }
1324 if (!SG(request_info).request_uri) {
1325 if (!orig_script_name ||
1326 strcmp(orig_script_name, env_script_name) != 0) {
1327 if (orig_script_name) {
1328 FCGI_PUTENV(request, "ORIG_SCRIPT_NAME", orig_script_name);
1329 }
1330 SG(request_info).request_uri = FCGI_PUTENV(request, "SCRIPT_NAME", env_script_name);
1331 } else {
1332 SG(request_info).request_uri = orig_script_name;
1333 }
1334 }
1335 if (pt) {
1336 efree(pt);
1337 }
1338 } else {
1339 /* make sure original values are remembered in ORIG_ copies if we've changed them */
1340 if (!orig_script_filename ||
1341 (script_path_translated != orig_script_filename &&
1342 strcmp(script_path_translated, orig_script_filename) != 0)) {
1343 if (orig_script_filename) {
1344 FCGI_PUTENV(request, "ORIG_SCRIPT_FILENAME", orig_script_filename);
1345 }
1346 script_path_translated = FCGI_PUTENV(request, "SCRIPT_FILENAME", script_path_translated);
1347 }
1348 if (!apache_was_here && env_redirect_url) {
1349 /* if we used PATH_TRANSLATED to work around Apache mod_fastcgi (but not mod_proxy_fcgi,
1350 * hence !apache_was_here) weirdness, strip info accordingly */
1351 if (orig_path_info) {
1352 FCGI_PUTENV(request, "ORIG_PATH_INFO", orig_path_info);
1353 FCGI_PUTENV(request, "PATH_INFO", NULL);
1354 }
1355 if (orig_path_translated) {
1356 FCGI_PUTENV(request, "ORIG_PATH_TRANSLATED", orig_path_translated);
1357 FCGI_PUTENV(request, "PATH_TRANSLATED", NULL);
1358 }
1359 }
1360 if (env_script_name != orig_script_name) {
1361 if (orig_script_name) {
1362 FCGI_PUTENV(request, "ORIG_SCRIPT_NAME", orig_script_name);
1363 }
1364 SG(request_info).request_uri = FCGI_PUTENV(request, "SCRIPT_NAME", env_script_name);
1365 } else {
1366 SG(request_info).request_uri = env_script_name;
1367 }
1368 efree(real_path);
1369 }
1370 } else {
1371 /* pre 4.3 behaviour, shouldn't be used but provides BC */
1372 if (env_path_info) {
1373 SG(request_info).request_uri = env_path_info;
1374 } else {
1375 SG(request_info).request_uri = env_script_name;
1376 }
1377 if (!CGIG(discard_path) && env_path_translated) {
1378 script_path_translated = env_path_translated;
1379 }
1380 }
1381
1382 if (is_valid_path(script_path_translated)) {
1383 SG(request_info).path_translated = estrdup(script_path_translated);
1384 }
1385
1386 SG(request_info).request_method = FCGI_GETENV(request, "REQUEST_METHOD");
1387 /* FIXME - Work out proto_num here */
1388 SG(request_info).query_string = FCGI_GETENV(request, "QUERY_STRING");
1389 SG(request_info).content_type = (content_type ? content_type : "" );
1390 SG(request_info).content_length = (content_length ? atol(content_length) : 0);
1391
1392 /* The CGI RFC allows servers to pass on unvalidated Authorization data */
1393 auth = FCGI_GETENV(request, "HTTP_AUTHORIZATION");
1394 php_handle_auth_data(auth);
1395 }
1396
1397 /* INI stuff */
1398 ini = FCGI_GETENV(request, "PHP_VALUE");
1399 if (ini) {
1400 int mode = ZEND_INI_USER;
1401 char *tmp;
1402 spprintf(&tmp, 0, "%s\n", ini);
1403 zend_parse_ini_string(tmp, 1, ZEND_INI_SCANNER_NORMAL, (zend_ini_parser_cb_t)fastcgi_ini_parser, &mode);
1404 efree(tmp);
1405 }
1406
1407 ini = FCGI_GETENV(request, "PHP_ADMIN_VALUE");
1408 if (ini) {
1409 int mode = ZEND_INI_SYSTEM;
1410 char *tmp;
1411 spprintf(&tmp, 0, "%s\n", ini);
1412 zend_parse_ini_string(tmp, 1, ZEND_INI_SCANNER_NORMAL, (zend_ini_parser_cb_t)fastcgi_ini_parser, &mode);
1413 efree(tmp);
1414 }
1415 }
1416 /* }}} */
1417
1418 static fcgi_request *fpm_init_request(int listen_fd) /* {{{ */ {
1419 fcgi_request *req = fcgi_init_request(listen_fd,
1420 fpm_request_accepting,
1421 fpm_request_reading_headers,
1422 fpm_request_finished);
1423 return req;
1424 }
1425 /* }}} */
1426
1427 static void fastcgi_ini_parser(zval *arg1, zval *arg2, zval *arg3, int callback_type, void *arg) /* {{{ */
1428 {
1429 int *mode = (int *)arg;
1430 char *key;
1431 char *value = NULL;
1432 struct key_value_s kv;
1433
1434 if (!mode || !arg1) return;
1435
1436 if (callback_type != ZEND_INI_PARSER_ENTRY) {
1437 zlog(ZLOG_ERROR, "Passing INI directive through FastCGI: only classic entries are allowed");
1438 return;
1439 }
1440
1441 key = Z_STRVAL_P(arg1);
1442
1443 if (!key || strlen(key) < 1) {
1444 zlog(ZLOG_ERROR, "Passing INI directive through FastCGI: empty key");
1445 return;
1446 }
1447
1448 if (arg2) {
1449 value = Z_STRVAL_P(arg2);
1450 }
1451
1452 if (!value) {
1453 zlog(ZLOG_ERROR, "Passing INI directive through FastCGI: empty value for key '%s'", key);
1454 return;
1455 }
1456
1457 kv.key = key;
1458 kv.value = value;
1459 kv.next = NULL;
1460 if (fpm_php_apply_defines_ex(&kv, *mode) == -1) {
1461 zlog(ZLOG_ERROR, "Passing INI directive through FastCGI: unable to set '%s'", key);
1462 }
1463 }
1464 /* }}} */
1465
1466 PHP_INI_BEGIN()
1467 STD_PHP_INI_ENTRY("cgi.rfc2616_headers", "0", PHP_INI_ALL, OnUpdateBool, rfc2616_headers, php_cgi_globals_struct, php_cgi_globals)
1468 STD_PHP_INI_ENTRY("cgi.nph", "0", PHP_INI_ALL, OnUpdateBool, nph, php_cgi_globals_struct, php_cgi_globals)
1469 STD_PHP_INI_ENTRY("cgi.force_redirect", "1", PHP_INI_SYSTEM, OnUpdateBool, force_redirect, php_cgi_globals_struct, php_cgi_globals)
1470 STD_PHP_INI_ENTRY("cgi.redirect_status_env", NULL, PHP_INI_SYSTEM, OnUpdateString, redirect_status_env, php_cgi_globals_struct, php_cgi_globals)
1471 STD_PHP_INI_ENTRY("cgi.fix_pathinfo", "1", PHP_INI_SYSTEM, OnUpdateBool, fix_pathinfo, php_cgi_globals_struct, php_cgi_globals)
1472 STD_PHP_INI_ENTRY("cgi.discard_path", "0", PHP_INI_SYSTEM, OnUpdateBool, discard_path, php_cgi_globals_struct, php_cgi_globals)
1473 STD_PHP_INI_ENTRY("fastcgi.logging", "1", PHP_INI_SYSTEM, OnUpdateBool, fcgi_logging, php_cgi_globals_struct, php_cgi_globals)
1474 STD_PHP_INI_ENTRY("fastcgi.error_header", NULL, PHP_INI_SYSTEM, OnUpdateString, error_header, php_cgi_globals_struct, php_cgi_globals)
1475 STD_PHP_INI_ENTRY("fpm.config", NULL, PHP_INI_SYSTEM, OnUpdateString, fpm_config, php_cgi_globals_struct, php_cgi_globals)
1476 PHP_INI_END()
1477
1478 /* {{{ php_cgi_globals_ctor
1479 */
1480 static void php_cgi_globals_ctor(php_cgi_globals_struct *php_cgi_globals)
1481 {
1482 php_cgi_globals->rfc2616_headers = 0;
1483 php_cgi_globals->nph = 0;
1484 php_cgi_globals->force_redirect = 1;
1485 php_cgi_globals->redirect_status_env = NULL;
1486 php_cgi_globals->fix_pathinfo = 1;
1487 php_cgi_globals->discard_path = 0;
1488 php_cgi_globals->fcgi_logging = 1;
1489 zend_hash_init(&php_cgi_globals->user_config_cache, 0, NULL, user_config_cache_entry_dtor, 1);
1490 php_cgi_globals->error_header = NULL;
1491 php_cgi_globals->fpm_config = NULL;
1492 }
1493 /* }}} */
1494
1495 /* {{{ PHP_MINIT_FUNCTION
1496 */
1497 static PHP_MINIT_FUNCTION(cgi)
1498 {
1499 #ifdef ZTS
1500 ts_allocate_id(&php_cgi_globals_id, sizeof(php_cgi_globals_struct), (ts_allocate_ctor) php_cgi_globals_ctor, NULL);
1501 #else
1502 php_cgi_globals_ctor(&php_cgi_globals);
1503 #endif
1504 REGISTER_INI_ENTRIES();
1505 return SUCCESS;
1506 }
1507 /* }}} */
1508
1509 /* {{{ PHP_MSHUTDOWN_FUNCTION
1510 */
1511 static PHP_MSHUTDOWN_FUNCTION(cgi)
1512 {
1513 zend_hash_destroy(&CGIG(user_config_cache));
1514
1515 UNREGISTER_INI_ENTRIES();
1516 return SUCCESS;
1517 }
1518 /* }}} */
1519
1520 /* {{{ PHP_MINFO_FUNCTION
1521 */
1522 static PHP_MINFO_FUNCTION(cgi)
1523 {
1524 php_info_print_table_start();
1525 php_info_print_table_row(2, "php-fpm", "active");
1526 php_info_print_table_end();
1527
1528 DISPLAY_INI_ENTRIES();
1529 }
1530 /* }}} */
1531
1532 PHP_FUNCTION(fastcgi_finish_request) /* {{{ */
1533 {
1534 fcgi_request *request = (fcgi_request*) SG(server_context);
1535
1536 if (!fcgi_is_closed(request)) {
1537 php_output_end_all();
1538 php_header();
1539
1540 fcgi_end(request);
1541 fcgi_close(request, 0, 0);
1542 RETURN_TRUE;
1543 }
1544
1545 RETURN_FALSE;
1546
1547 }
1548 /* }}} */
1549
1550 static const zend_function_entry cgi_fcgi_sapi_functions[] = {
1551 PHP_FE(fastcgi_finish_request, NULL)
1552 PHP_FE_END
1553 };
1554
1555 static zend_module_entry cgi_module_entry = {
1556 STANDARD_MODULE_HEADER,
1557 "cgi-fcgi",
1558 cgi_fcgi_sapi_functions,
1559 PHP_MINIT(cgi),
1560 PHP_MSHUTDOWN(cgi),
1561 NULL,
1562 NULL,
1563 PHP_MINFO(cgi),
1564 NO_VERSION_YET,
1565 STANDARD_MODULE_PROPERTIES
1566 };
1567
1568 /* {{{ main
1569 */
1570 int main(int argc, char *argv[])
1571 {
1572 int exit_status = FPM_EXIT_OK;
1573 int cgi = 0, c, use_extended_info = 0;
1574 zend_file_handle file_handle;
1575
1576 /* temporary locals */
1577 int orig_optind = php_optind;
1578 char *orig_optarg = php_optarg;
1579 int ini_entries_len = 0;
1580 /* end of temporary locals */
1581
1582 #ifdef ZTS
1583 void ***tsrm_ls;
1584 #endif
1585
1586 int max_requests = 500;
1587 int requests = 0;
1588 int fcgi_fd = 0;
1589 fcgi_request *request;
1590 char *fpm_config = NULL;
1591 char *fpm_prefix = NULL;
1592 char *fpm_pid = NULL;
1593 int test_conf = 0;
1594 int force_daemon = -1;
1595 int force_stderr = 0;
1596 int php_information = 0;
1597 int php_allow_to_run_as_root = 0;
1598
1599 #ifdef HAVE_SIGNAL_H
1600 #if defined(SIGPIPE) && defined(SIG_IGN)
1601 signal(SIGPIPE, SIG_IGN); /* ignore SIGPIPE in standalone mode so
1602 that sockets created via fsockopen()
1603 don't kill PHP if the remote site
1604 closes it. in apache|apxs mode apache
1605 does that for us! thies@thieso.net
1606 20000419 */
1607 #endif
1608 #endif
1609
1610 #ifdef ZTS
1611 tsrm_startup(1, 1, 0, NULL);
1612 tsrm_ls = ts_resource(0);
1613 #endif
1614
1615 zend_signal_startup();
1616
1617 sapi_startup(&cgi_sapi_module);
1618 cgi_sapi_module.php_ini_path_override = NULL;
1619 cgi_sapi_module.php_ini_ignore_cwd = 1;
1620
1621 #ifndef HAVE_ATTRIBUTE_WEAK
1622 fcgi_set_logger(fpm_fcgi_log);
1623 #endif
1624
1625 fcgi_init();
1626
1627 #ifdef PHP_WIN32
1628 _fmode = _O_BINARY; /* sets default for file streams to binary */
1629 setmode(_fileno(stdin), O_BINARY); /* make the stdio mode be binary */
1630 setmode(_fileno(stdout), O_BINARY); /* make the stdio mode be binary */
1631 setmode(_fileno(stderr), O_BINARY); /* make the stdio mode be binary */
1632 #endif
1633
1634 while ((c = php_getopt(argc, argv, OPTIONS, &php_optarg, &php_optind, 0, 2)) != -1) {
1635 switch (c) {
1636 case 'c':
1637 if (cgi_sapi_module.php_ini_path_override) {
1638 free(cgi_sapi_module.php_ini_path_override);
1639 }
1640 cgi_sapi_module.php_ini_path_override = strdup(php_optarg);
1641 break;
1642
1643 case 'n':
1644 cgi_sapi_module.php_ini_ignore = 1;
1645 break;
1646
1647 case 'd': {
1648 /* define ini entries on command line */
1649 int len = strlen(php_optarg);
1650 char *val;
1651
1652 if ((val = strchr(php_optarg, '='))) {
1653 val++;
1654 if (!isalnum(*val) && *val != '"' && *val != '\'' && *val != '\0') {
1655 cgi_sapi_module.ini_entries = realloc(cgi_sapi_module.ini_entries, ini_entries_len + len + sizeof("\"\"\n\0"));
1656 memcpy(cgi_sapi_module.ini_entries + ini_entries_len, php_optarg, (val - php_optarg));
1657 ini_entries_len += (val - php_optarg);
1658 memcpy(cgi_sapi_module.ini_entries + ini_entries_len, "\"", 1);
1659 ini_entries_len++;
1660 memcpy(cgi_sapi_module.ini_entries + ini_entries_len, val, len - (val - php_optarg));
1661 ini_entries_len += len - (val - php_optarg);
1662 memcpy(cgi_sapi_module.ini_entries + ini_entries_len, "\"\n\0", sizeof("\"\n\0"));
1663 ini_entries_len += sizeof("\n\0\"") - 2;
1664 } else {
1665 cgi_sapi_module.ini_entries = realloc(cgi_sapi_module.ini_entries, ini_entries_len + len + sizeof("\n\0"));
1666 memcpy(cgi_sapi_module.ini_entries + ini_entries_len, php_optarg, len);
1667 memcpy(cgi_sapi_module.ini_entries + ini_entries_len + len, "\n\0", sizeof("\n\0"));
1668 ini_entries_len += len + sizeof("\n\0") - 2;
1669 }
1670 } else {
1671 cgi_sapi_module.ini_entries = realloc(cgi_sapi_module.ini_entries, ini_entries_len + len + sizeof("=1\n\0"));
1672 memcpy(cgi_sapi_module.ini_entries + ini_entries_len, php_optarg, len);
1673 memcpy(cgi_sapi_module.ini_entries + ini_entries_len + len, "=1\n\0", sizeof("=1\n\0"));
1674 ini_entries_len += len + sizeof("=1\n\0") - 2;
1675 }
1676 break;
1677 }
1678
1679 case 'y':
1680 fpm_config = php_optarg;
1681 break;
1682
1683 case 'p':
1684 fpm_prefix = php_optarg;
1685 break;
1686
1687 case 'g':
1688 fpm_pid = php_optarg;
1689 break;
1690
1691 case 'e': /* enable extended info output */
1692 use_extended_info = 1;
1693 break;
1694
1695 case 't':
1696 test_conf++;
1697 break;
1698
1699 case 'm': /* list compiled in modules */
1700 cgi_sapi_module.startup(&cgi_sapi_module);
1701 php_output_activate();
1702 SG(headers_sent) = 1;
1703 php_printf("[PHP Modules]\n");
1704 print_modules();
1705 php_printf("\n[Zend Modules]\n");
1706 print_extensions();
1707 php_printf("\n");
1708 php_output_end_all();
1709 php_output_deactivate();
1710 fcgi_shutdown();
1711 exit_status = FPM_EXIT_OK;
1712 goto out;
1713
1714 case 'i': /* php info & quit */
1715 php_information = 1;
1716 break;
1717
1718 case 'R': /* allow to run as root */
1719 php_allow_to_run_as_root = 1;
1720 break;
1721
1722 case 'D': /* daemonize */
1723 force_daemon = 1;
1724 break;
1725
1726 case 'F': /* nodaemonize */
1727 force_daemon = 0;
1728 break;
1729
1730 case 'O': /* force stderr even on non tty */
1731 force_stderr = 1;
1732 break;
1733
1734 default:
1735 case 'h':
1736 case '?':
1737 cgi_sapi_module.startup(&cgi_sapi_module);
1738 php_output_activate();
1739 SG(headers_sent) = 1;
1740 php_cgi_usage(argv[0]);
1741 php_output_end_all();
1742 php_output_deactivate();
1743 fcgi_shutdown();
1744 exit_status = (c == 'h') ? FPM_EXIT_OK : FPM_EXIT_USAGE;
1745 goto out;
1746
1747 case 'v': /* show php version & quit */
1748 cgi_sapi_module.startup(&cgi_sapi_module);
1749 if (php_request_startup() == FAILURE) {
1750 SG(server_context) = NULL;
1751 php_module_shutdown();
1752 return FPM_EXIT_SOFTWARE;
1753 }
1754 SG(headers_sent) = 1;
1755 SG(request_info).no_headers = 1;
1756
1757 #if ZEND_DEBUG
1758 php_printf("PHP %s (%s) (built: %s %s) (DEBUG)\nCopyright (c) 1997-2018 The PHP Group\n%s", PHP_VERSION, sapi_module.name, __DATE__, __TIME__, get_zend_version());
1759 #else
1760 php_printf("PHP %s (%s) (built: %s %s)\nCopyright (c) 1997-2018 The PHP Group\n%s", PHP_VERSION, sapi_module.name, __DATE__, __TIME__, get_zend_version());
1761 #endif
1762 php_request_shutdown((void *) 0);
1763 fcgi_shutdown();
1764 exit_status = FPM_EXIT_OK;
1765 goto out;
1766 }
1767 }
1768
1769 if (php_information) {
1770 cgi_sapi_module.phpinfo_as_text = 1;
1771 cgi_sapi_module.startup(&cgi_sapi_module);
1772 if (php_request_startup() == FAILURE) {
1773 SG(server_context) = NULL;
1774 php_module_shutdown();
1775 return FPM_EXIT_SOFTWARE;
1776 }
1777 SG(headers_sent) = 1;
1778 SG(request_info).no_headers = 1;
1779 php_print_info(0xFFFFFFFF);
1780 php_request_shutdown((void *) 0);
1781 fcgi_shutdown();
1782 exit_status = FPM_EXIT_OK;
1783 goto out;
1784 }
1785
1786 /* No other args are permitted here as there is no interactive mode */
1787 if (argc != php_optind) {
1788 cgi_sapi_module.startup(&cgi_sapi_module);
1789 php_output_activate();
1790 SG(headers_sent) = 1;
1791 php_cgi_usage(argv[0]);
1792 php_output_end_all();
1793 php_output_deactivate();
1794 fcgi_shutdown();
1795 exit_status = FPM_EXIT_USAGE;
1796 goto out;
1797 }
1798
1799 php_optind = orig_optind;
1800 php_optarg = orig_optarg;
1801
1802 #ifdef ZTS
1803 SG(request_info).path_translated = NULL;
1804 #endif
1805
1806 cgi_sapi_module.additional_functions = NULL;
1807 cgi_sapi_module.executable_location = argv[0];
1808
1809 /* startup after we get the above ini override se we get things right */
1810 if (cgi_sapi_module.startup(&cgi_sapi_module) == FAILURE) {
1811 #ifdef ZTS
1812 tsrm_shutdown();
1813 #endif
1814 return FPM_EXIT_SOFTWARE;
1815 }
1816
1817 if (use_extended_info) {
1818 CG(compiler_options) |= ZEND_COMPILE_EXTENDED_INFO;
1819 }
1820
1821 /* check force_cgi after startup, so we have proper output */
1822 if (cgi && CGIG(force_redirect)) {
1823 /* Apache will generate REDIRECT_STATUS,
1824 * Netscape and redirect.so will generate HTTP_REDIRECT_STATUS.
1825 * redirect.so and installation instructions available from
1826 * http://www.koehntopp.de/php.
1827 * -- kk@netuse.de
1828 */
1829 if (!getenv("REDIRECT_STATUS") &&
1830 !getenv ("HTTP_REDIRECT_STATUS") &&
1831 /* this is to allow a different env var to be configured
1832 * in case some server does something different than above */
1833 (!CGIG(redirect_status_env) || !getenv(CGIG(redirect_status_env)))
1834 ) {
1835 zend_try {
1836 SG(sapi_headers).http_response_code = 400;
1837 PUTS("<b>Security Alert!</b> The PHP CGI cannot be accessed directly.\n\n\
1838 <p>This PHP CGI binary was compiled with force-cgi-redirect enabled. This\n\
1839 means that a page will only be served up if the REDIRECT_STATUS CGI variable is\n\
1840 set, e.g. via an Apache Action directive.</p>\n\
1841 <p>For more information as to <i>why</i> this behaviour exists, see the <a href=\"http://php.net/security.cgi-bin\">\
1842 manual page for CGI security</a>.</p>\n\
1843 <p>For more information about changing this behaviour or re-enabling this webserver,\n\
1844 consult the installation file that came with this distribution, or visit \n\
1845 <a href=\"http://php.net/install.windows\">the manual page</a>.</p>\n");
1846 } zend_catch {
1847 } zend_end_try();
1848 #if defined(ZTS) && !defined(PHP_DEBUG)
1849 /* XXX we're crashing here in msvc6 debug builds at
1850 * php_message_handler_for_zend:839 because
1851 * SG(request_info).path_translated is an invalid pointer.
1852 * It still happens even though I set it to null, so something
1853 * weird is going on.
1854 */
1855 tsrm_shutdown();
1856 #endif
1857 return FPM_EXIT_SOFTWARE;
1858 }
1859 }
1860
1861 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)) {
1862
1863 if (fpm_globals.send_config_pipe[1]) {
1864 int writeval = 0;
1865 zlog(ZLOG_DEBUG, "Sending \"0\" (error) to parent via fd=%d", fpm_globals.send_config_pipe[1]);
1866 zend_quiet_write(fpm_globals.send_config_pipe[1], &writeval, sizeof(writeval));
1867 close(fpm_globals.send_config_pipe[1]);
1868 }
1869 return FPM_EXIT_CONFIG;
1870 }
1871
1872 if (fpm_globals.send_config_pipe[1]) {
1873 int writeval = 1;
1874 zlog(ZLOG_DEBUG, "Sending \"1\" (OK) to parent via fd=%d", fpm_globals.send_config_pipe[1]);
1875 zend_quiet_write(fpm_globals.send_config_pipe[1], &writeval, sizeof(writeval));
1876 close(fpm_globals.send_config_pipe[1]);
1877 }
1878 fpm_is_running = 1;
1879
1880 fcgi_fd = fpm_run(&max_requests);
1881 parent = 0;
1882
1883 /* onced forked tell zlog to also send messages through sapi_cgi_log_fastcgi() */
1884 zlog_set_external_logger(sapi_cgi_log_fastcgi);
1885
1886 /* make php call us to get _ENV vars */
1887 php_php_import_environment_variables = php_import_environment_variables;
1888 php_import_environment_variables = cgi_php_import_environment_variables;
1889
1890 /* library is already initialized, now init our request */
1891 request = fpm_init_request(fcgi_fd);
1892
1893 zend_first_try {
1894 while (EXPECTED(fcgi_accept_request(request) >= 0)) {
1895 char *primary_script = NULL;
1896 request_body_fd = -1;
1897 SG(server_context) = (void *) request;
1898 init_request_info();
1899
1900 fpm_request_info();
1901
1902 /* request startup only after we've done all we can to
1903 * get path_translated */
1904 if (UNEXPECTED(php_request_startup() == FAILURE)) {
1905 fcgi_finish_request(request, 1);
1906 SG(server_context) = NULL;
1907 php_module_shutdown();
1908 return FPM_EXIT_SOFTWARE;
1909 }
1910
1911 /* check if request_method has been sent.
1912 * if not, it's certainly not an HTTP over fcgi request */
1913 if (UNEXPECTED(!SG(request_info).request_method)) {
1914 goto fastcgi_request_done;
1915 }
1916
1917 if (UNEXPECTED(fpm_status_handle_request())) {
1918 goto fastcgi_request_done;
1919 }
1920
1921 /* If path_translated is NULL, terminate here with a 404 */
1922 if (UNEXPECTED(!SG(request_info).path_translated)) {
1923 zend_try {
1924 zlog(ZLOG_DEBUG, "Primary script unknown");
1925 SG(sapi_headers).http_response_code = 404;
1926 PUTS("File not found.\n");
1927 } zend_catch {
1928 } zend_end_try();
1929 goto fastcgi_request_done;
1930 }
1931
1932 if (UNEXPECTED(fpm_php_limit_extensions(SG(request_info).path_translated))) {
1933 SG(sapi_headers).http_response_code = 403;
1934 PUTS("Access denied.\n");
1935 goto fastcgi_request_done;
1936 }
1937
1938 /*
1939 * have to duplicate SG(request_info).path_translated to be able to log errrors
1940 * php_fopen_primary_script seems to delete SG(request_info).path_translated on failure
1941 */
1942 primary_script = estrdup(SG(request_info).path_translated);
1943
1944 /* path_translated exists, we can continue ! */
1945 if (UNEXPECTED(php_fopen_primary_script(&file_handle) == FAILURE)) {
1946 zend_try {
1947 zlog(ZLOG_ERROR, "Unable to open primary script: %s (%s)", primary_script, strerror(errno));
1948 if (errno == EACCES) {
1949 SG(sapi_headers).http_response_code = 403;
1950 PUTS("Access denied.\n");
1951 } else {
1952 SG(sapi_headers).http_response_code = 404;
1953 PUTS("No input file specified.\n");
1954 }
1955 } zend_catch {
1956 } zend_end_try();
1957 /* we want to serve more requests if this is fastcgi
1958 * so cleanup and continue, request shutdown is
1959 * handled later */
1960
1961 goto fastcgi_request_done;
1962 }
1963
1964 fpm_request_executing();
1965
1966 php_execute_script(&file_handle);
1967
1968 fastcgi_request_done:
1969 if (EXPECTED(primary_script)) {
1970 efree(primary_script);
1971 }
1972
1973 if (UNEXPECTED(request_body_fd != -1)) {
1974 close(request_body_fd);
1975 }
1976 request_body_fd = -2;
1977
1978 if (UNEXPECTED(EG(exit_status) == 255)) {
1979 if (CGIG(error_header) && *CGIG(error_header)) {
1980 sapi_header_line ctr = {0};
1981
1982 ctr.line = CGIG(error_header);
1983 ctr.line_len = strlen(CGIG(error_header));
1984 sapi_header_op(SAPI_HEADER_REPLACE, &ctr);
1985 }
1986 }
1987
1988 fpm_request_end();
1989 fpm_log_write(NULL);
1990
1991 efree(SG(request_info).path_translated);
1992 SG(request_info).path_translated = NULL;
1993
1994 php_request_shutdown((void *) 0);
1995
1996 requests++;
1997 if (UNEXPECTED(max_requests && (requests == max_requests))) {
1998 fcgi_request_set_keep(request, 0);
1999 fcgi_finish_request(request, 0);
2000 break;
2001 }
2002 /* end of fastcgi loop */
2003 }
2004 fcgi_destroy_request(request);
2005 fcgi_shutdown();
2006
2007 if (cgi_sapi_module.php_ini_path_override) {
2008 free(cgi_sapi_module.php_ini_path_override);
2009 }
2010 if (cgi_sapi_module.ini_entries) {
2011 free(cgi_sapi_module.ini_entries);
2012 }
2013 } zend_catch {
2014 exit_status = FPM_EXIT_SOFTWARE;
2015 } zend_end_try();
2016
2017 out:
2018
2019 SG(server_context) = NULL;
2020 php_module_shutdown();
2021
2022 if (parent) {
2023 sapi_shutdown();
2024 }
2025
2026 #ifdef ZTS
2027 tsrm_shutdown();
2028 #endif
2029
2030 #if defined(PHP_WIN32) && ZEND_DEBUG && 0
2031 _CrtDumpMemoryLeaks();
2032 #endif
2033
2034 return exit_status;
2035 }
2036 /* }}} */
2037
2038 /*
2039 * Local variables:
2040 * tab-width: 4
2041 * c-basic-offset: 4
2042 * End:
2043 * vim600: sw=4 ts=4 fdm=marker
2044 * vim<600: sw=4 ts=4
2045 */
2046
