1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 7 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2017 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 return strcmp( ((zend_extension *)(*f)->data)->name,
262 ((zend_extension *)(*s)->data)->name);
263 }
264 /* }}} */
265
print_extensions(void)266 static void print_extensions(void) /* {{{ */
267 {
268 zend_llist sorted_exts;
269
270 zend_llist_copy(&sorted_exts, &zend_extensions);
271 sorted_exts.dtor = NULL;
272 zend_llist_sort(&sorted_exts, extension_name_cmp);
273 zend_llist_apply_with_argument(&sorted_exts, (llist_apply_with_arg_func_t) print_extension_info, NULL);
274 zend_llist_destroy(&sorted_exts);
275 }
276 /* }}} */
277
278 #ifndef STDOUT_FILENO
279 #define STDOUT_FILENO 1
280 #endif
281
sapi_cgibin_single_write(const char * str,uint str_length)282 static inline size_t sapi_cgibin_single_write(const char *str, uint str_length) /* {{{ */
283 {
284 ssize_t ret;
285
286 /* sapi has started which means everyhting must be send through fcgi */
287 if (fpm_is_running) {
288 fcgi_request *request = (fcgi_request*) SG(server_context);
289 ret = fcgi_write(request, FCGI_STDOUT, str, str_length);
290 if (ret <= 0) {
291 return 0;
292 }
293 return (size_t)ret;
294 }
295
296 /* sapi has not started, output to stdout instead of fcgi */
297 #ifdef PHP_WRITE_STDOUT
298 ret = write(STDOUT_FILENO, str, str_length);
299 if (ret <= 0) {
300 return 0;
301 }
302 return (size_t)ret;
303 #else
304 return fwrite(str, 1, MIN(str_length, 16384), stdout);
305 #endif
306 }
307 /* }}} */
308
sapi_cgibin_ub_write(const char * str,size_t str_length)309 static size_t sapi_cgibin_ub_write(const char *str, size_t str_length) /* {{{ */
310 {
311 const char *ptr = str;
312 uint remaining = str_length;
313 size_t ret;
314
315 while (remaining > 0) {
316 ret = sapi_cgibin_single_write(ptr, remaining);
317 if (!ret) {
318 php_handle_aborted_connection();
319 return str_length - remaining;
320 }
321 ptr += ret;
322 remaining -= ret;
323 }
324
325 return str_length;
326 }
327 /* }}} */
328
sapi_cgibin_flush(void * server_context)329 static void sapi_cgibin_flush(void *server_context) /* {{{ */
330 {
331 /* fpm has started, let use fcgi instead of stdout */
332 if (fpm_is_running) {
333 fcgi_request *request = (fcgi_request*) server_context;
334 if (
335 #ifndef PHP_WIN32
336 !parent &&
337 #endif
338 request && !fcgi_flush(request, 0)) {
339 php_handle_aborted_connection();
340 }
341 return;
342 }
343
344 /* fpm has not started yet, let use stdout instead of fcgi */
345 if (fflush(stdout) == EOF) {
346 php_handle_aborted_connection();
347 }
348 }
349 /* }}} */
350
351 #define SAPI_CGI_MAX_HEADER_LENGTH 1024
352
sapi_cgi_send_headers(sapi_headers_struct * sapi_headers)353 static int sapi_cgi_send_headers(sapi_headers_struct *sapi_headers) /* {{{ */
354 {
355 char buf[SAPI_CGI_MAX_HEADER_LENGTH];
356 sapi_header_struct *h;
357 zend_llist_position pos;
358 zend_bool ignore_status = 0;
359 int response_status = SG(sapi_headers).http_response_code;
360
361 if (SG(request_info).no_headers == 1) {
362 return SAPI_HEADER_SENT_SUCCESSFULLY;
363 }
364
365 if (CGIG(nph) || SG(sapi_headers).http_response_code != 200)
366 {
367 int len;
368 zend_bool has_status = 0;
369
370 if (CGIG(rfc2616_headers) && SG(sapi_headers).http_status_line) {
371 char *s;
372 len = slprintf(buf, SAPI_CGI_MAX_HEADER_LENGTH, "%s\r\n", SG(sapi_headers).http_status_line);
373 if ((s = strchr(SG(sapi_headers).http_status_line, ' '))) {
374 response_status = atoi((s + 1));
375 }
376
377 if (len > SAPI_CGI_MAX_HEADER_LENGTH) {
378 len = SAPI_CGI_MAX_HEADER_LENGTH;
379 }
380
381 } else {
382 char *s;
383
384 if (SG(sapi_headers).http_status_line &&
385 (s = strchr(SG(sapi_headers).http_status_line, ' ')) != 0 &&
386 (s - SG(sapi_headers).http_status_line) >= 5 &&
387 strncasecmp(SG(sapi_headers).http_status_line, "HTTP/", 5) == 0
388 ) {
389 len = slprintf(buf, sizeof(buf), "Status:%s\r\n", s);
390 response_status = atoi((s + 1));
391 } else {
392 h = (sapi_header_struct*)zend_llist_get_first_ex(&sapi_headers->headers, &pos);
393 while (h) {
394 if (h->header_len > sizeof("Status:") - 1 &&
395 strncasecmp(h->header, "Status:", sizeof("Status:") - 1) == 0
396 ) {
397 has_status = 1;
398 break;
399 }
400 h = (sapi_header_struct*)zend_llist_get_next_ex(&sapi_headers->headers, &pos);
401 }
402 if (!has_status) {
403 http_response_status_code_pair *err = (http_response_status_code_pair*)http_status_map;
404
405 while (err->code != 0) {
406 if (err->code == SG(sapi_headers).http_response_code) {
407 break;
408 }
409 err++;
410 }
411 if (err->str) {
412 len = slprintf(buf, sizeof(buf), "Status: %d %s\r\n", SG(sapi_headers).http_response_code, err->str);
413 } else {
414 len = slprintf(buf, sizeof(buf), "Status: %d\r\n", SG(sapi_headers).http_response_code);
415 }
416 }
417 }
418 }
419
420 if (!has_status) {
421 PHPWRITE_H(buf, len);
422 ignore_status = 1;
423 }
424 }
425
426 h = (sapi_header_struct*)zend_llist_get_first_ex(&sapi_headers->headers, &pos);
427 while (h) {
428 /* prevent CRLFCRLF */
429 if (h->header_len) {
430 if (h->header_len > sizeof("Status:") - 1 &&
431 strncasecmp(h->header, "Status:", sizeof("Status:") - 1) == 0
432 ) {
433 if (!ignore_status) {
434 ignore_status = 1;
435 PHPWRITE_H(h->header, h->header_len);
436 PHPWRITE_H("\r\n", 2);
437 }
438 } else if (response_status == 304 && h->header_len > sizeof("Content-Type:") - 1 &&
439 strncasecmp(h->header, "Content-Type:", sizeof("Content-Type:") - 1) == 0
440 ) {
441 h = (sapi_header_struct*)zend_llist_get_next_ex(&sapi_headers->headers, &pos);
442 continue;
443 } else {
444 PHPWRITE_H(h->header, h->header_len);
445 PHPWRITE_H("\r\n", 2);
446 }
447 }
448 h = (sapi_header_struct*)zend_llist_get_next_ex(&sapi_headers->headers, &pos);
449 }
450 PHPWRITE_H("\r\n", 2);
451
452 return SAPI_HEADER_SENT_SUCCESSFULLY;
453 }
454 /* }}} */
455
456 #ifndef STDIN_FILENO
457 # define STDIN_FILENO 0
458 #endif
459
460 #ifndef HAVE_ATTRIBUTE_WEAK
fpm_fcgi_log(int type,const char * fmt,...)461 static void fpm_fcgi_log(int type, const char *fmt, ...) /* {{{ */
462 #else
463 void fcgi_log(int type, const char *fmt, ...)
464 #endif
465 {
466 va_list args;
467 va_start(args, fmt);
468 vzlog("", 0, type, fmt, args);
469 va_end(args);
470 }
471 /* }}} */
472
sapi_cgi_read_post(char * buffer,size_t count_bytes)473 static size_t sapi_cgi_read_post(char *buffer, size_t count_bytes) /* {{{ */
474 {
475 uint read_bytes = 0;
476 int tmp_read_bytes;
477 size_t remaining = SG(request_info).content_length - SG(read_post_bytes);
478
479 if (remaining < count_bytes) {
480 count_bytes = remaining;
481 }
482 while (read_bytes < count_bytes) {
483 fcgi_request *request = (fcgi_request*) SG(server_context);
484 if (request_body_fd == -1) {
485 char *request_body_filename = FCGI_GETENV(request, "REQUEST_BODY_FILE");
486
487 if (request_body_filename && *request_body_filename) {
488 request_body_fd = open(request_body_filename, O_RDONLY);
489
490 if (0 > request_body_fd) {
491 php_error(E_WARNING, "REQUEST_BODY_FILE: open('%s') failed: %s (%d)",
492 request_body_filename, strerror(errno), errno);
493 return 0;
494 }
495 }
496 }
497
498 /* If REQUEST_BODY_FILE variable not available - read post body from fastcgi stream */
499 if (request_body_fd < 0) {
500 tmp_read_bytes = fcgi_read(request, buffer + read_bytes, count_bytes - read_bytes);
501 } else {
502 tmp_read_bytes = read(request_body_fd, buffer + read_bytes, count_bytes - read_bytes);
503 }
504 if (tmp_read_bytes <= 0) {
505 break;
506 }
507 read_bytes += tmp_read_bytes;
508 }
509 return read_bytes;
510 }
511 /* }}} */
512
sapi_cgibin_getenv(char * name,size_t name_len)513 static char *sapi_cgibin_getenv(char *name, size_t name_len) /* {{{ */
514 {
515 /* if fpm has started, use fcgi env */
516 if (fpm_is_running) {
517 fcgi_request *request = (fcgi_request*) SG(server_context);
518 return fcgi_getenv(request, name, name_len);
519 }
520
521 /* if fpm has not started yet, use std env */
522 return getenv(name);
523 }
524 /* }}} */
525
526 #if 0
527 static char *_sapi_cgibin_putenv(char *name, char *value) /* {{{ */
528 {
529 int name_len;
530
531 if (!name) {
532 return NULL;
533 }
534 name_len = strlen(name);
535
536 fcgi_request *request = (fcgi_request*) SG(server_context);
537 return fcgi_putenv(request, name, name_len, value);
538 }
539 /* }}} */
540 #endif
541
sapi_cgi_read_cookies(void)542 static char *sapi_cgi_read_cookies(void) /* {{{ */
543 {
544 fcgi_request *request = (fcgi_request*) SG(server_context);
545
546 return FCGI_GETENV(request, "HTTP_COOKIE");
547 }
548 /* }}} */
549
cgi_php_load_env_var(char * var,unsigned int var_len,char * val,unsigned int val_len,void * arg)550 static void cgi_php_load_env_var(char *var, unsigned int var_len, char *val, unsigned int val_len, void *arg) /* {{{ */
551 {
552 zval *array_ptr = (zval*)arg;
553 int filter_arg = (Z_ARR_P(array_ptr) == Z_ARR(PG(http_globals)[TRACK_VARS_ENV]))?PARSE_ENV:PARSE_SERVER;
554 size_t new_val_len;
555
556 if (sapi_module.input_filter(filter_arg, var, &val, strlen(val), &new_val_len)) {
557 php_register_variable_safe(var, val, new_val_len, array_ptr);
558 }
559 }
560 /* }}} */
561
cgi_php_import_environment_variables(zval * array_ptr)562 void cgi_php_import_environment_variables(zval *array_ptr) /* {{{ */
563 {
564 fcgi_request *request = NULL;
565
566 if (Z_TYPE(PG(http_globals)[TRACK_VARS_ENV]) == IS_ARRAY &&
567 Z_ARR_P(array_ptr) != Z_ARR(PG(http_globals)[TRACK_VARS_ENV]) &&
568 zend_hash_num_elements(Z_ARRVAL(PG(http_globals)[TRACK_VARS_ENV])) > 0
569 ) {
570 zval_dtor(array_ptr);
571 ZVAL_DUP(array_ptr, &PG(http_globals)[TRACK_VARS_ENV]);
572 return;
573 } else if (Z_TYPE(PG(http_globals)[TRACK_VARS_SERVER]) == IS_ARRAY &&
574 Z_ARR_P(array_ptr) != Z_ARR(PG(http_globals)[TRACK_VARS_SERVER]) &&
575 zend_hash_num_elements(Z_ARRVAL(PG(http_globals)[TRACK_VARS_SERVER])) > 0
576 ) {
577 zval_dtor(array_ptr);
578 ZVAL_DUP(array_ptr, &PG(http_globals)[TRACK_VARS_SERVER]);
579 return;
580 }
581
582 /* call php's original import as a catch-all */
583 php_php_import_environment_variables(array_ptr);
584
585 request = (fcgi_request*) SG(server_context);
586 fcgi_loadenv(request, cgi_php_load_env_var, array_ptr);
587 }
588 /* }}} */
589
sapi_cgi_register_variables(zval * track_vars_array)590 static void sapi_cgi_register_variables(zval *track_vars_array) /* {{{ */
591 {
592 size_t php_self_len;
593 char *php_self;
594
595 /* In CGI mode, we consider the environment to be a part of the server
596 * variables
597 */
598 php_import_environment_variables(track_vars_array);
599
600 if (CGIG(fix_pathinfo)) {
601 char *script_name = SG(request_info).request_uri;
602 unsigned int script_name_len = script_name ? strlen(script_name) : 0;
603 char *path_info = sapi_cgibin_getenv("PATH_INFO", sizeof("PATH_INFO") - 1);
604 unsigned int path_info_len = path_info ? strlen(path_info) : 0;
605
606 php_self_len = script_name_len + path_info_len;
607 php_self = emalloc(php_self_len + 1);
608
609 /* Concat script_name and path_info into php_self */
610 if (script_name) {
611 memcpy(php_self, script_name, script_name_len + 1);
612 }
613 if (path_info) {
614 memcpy(php_self + script_name_len, path_info, path_info_len + 1);
615 }
616
617 /* Build the special-case PHP_SELF variable for the CGI version */
618 if (sapi_module.input_filter(PARSE_SERVER, "PHP_SELF", &php_self, php_self_len, &php_self_len)) {
619 php_register_variable_safe("PHP_SELF", php_self, php_self_len, track_vars_array);
620 }
621 efree(php_self);
622 } else {
623 php_self = SG(request_info).request_uri ? SG(request_info).request_uri : "";
624 php_self_len = strlen(php_self);
625 if (sapi_module.input_filter(PARSE_SERVER, "PHP_SELF", &php_self, php_self_len, &php_self_len)) {
626 php_register_variable_safe("PHP_SELF", php_self, php_self_len, track_vars_array);
627 }
628 }
629 }
630 /* }}} */
631
632 /* {{{ sapi_cgi_log_fastcgi
633 *
634 * Ignore level, we want to send all messages through fastcgi
635 */
sapi_cgi_log_fastcgi(int level,char * message,size_t len)636 void sapi_cgi_log_fastcgi(int level, char *message, size_t len)
637 {
638
639 fcgi_request *request = (fcgi_request*) SG(server_context);
640
641 /* ensure we want:
642 * - to log (fastcgi.logging in php.ini)
643 * - we are currently dealing with a request
644 * - the message is not empty
645 */
646 if (CGIG(fcgi_logging) && request && message && len > 0) {
647 ssize_t ret;
648 char *buf = malloc(len + 2);
649 memcpy(buf, message, len);
650 memcpy(buf + len, "\n", sizeof("\n"));
651 ret = fcgi_write(request, FCGI_STDERR, buf, len + 1);
652 free(buf);
653 if (ret < 0) {
654 php_handle_aborted_connection();
655 }
656 }
657 }
658 /* }}} */
659
660 /* {{{ sapi_cgi_log_message
661 */
sapi_cgi_log_message(char * message)662 static void sapi_cgi_log_message(char *message)
663 {
664 zlog(ZLOG_NOTICE, "PHP message: %s", message);
665 }
666 /* }}} */
667
668 /* {{{ php_cgi_ini_activate_user_config
669 */
php_cgi_ini_activate_user_config(char * path,int path_len,const char * doc_root,int doc_root_len,int start)670 static void php_cgi_ini_activate_user_config(char *path, int path_len, const char *doc_root, int doc_root_len, int start)
671 {
672 char *ptr;
673 time_t request_time = sapi_get_request_time();
674 user_config_cache_entry *entry = zend_hash_str_find_ptr(&CGIG(user_config_cache), path, path_len);
675
676 /* Find cached config entry: If not found, create one */
677 if (!entry) {
678 entry = pemalloc(sizeof(user_config_cache_entry), 1);
679 entry->expires = 0;
680 entry->user_config = (HashTable *) pemalloc(sizeof(HashTable), 1);
681 zend_hash_init(entry->user_config, 0, NULL, config_zval_dtor, 1);
682 zend_hash_str_update_ptr(&CGIG(user_config_cache), path, path_len, entry);
683 }
684
685 /* Check whether cache entry has expired and rescan if it is */
686 if (request_time > entry->expires) {
687 char * real_path;
688 int real_path_len;
689 char *s1, *s2;
690 int s_len;
691
692 /* Clear the expired config */
693 zend_hash_clean(entry->user_config);
694
695 if (!IS_ABSOLUTE_PATH(path, path_len)) {
696 real_path = tsrm_realpath(path, NULL);
697 if (real_path == NULL) {
698 return;
699 }
700 real_path_len = strlen(real_path);
701 path = real_path;
702 path_len = real_path_len;
703 }
704
705 if (path_len > doc_root_len) {
706 s1 = (char *) doc_root;
707 s2 = path;
708 s_len = doc_root_len;
709 } else {
710 s1 = path;
711 s2 = (char *) doc_root;
712 s_len = path_len;
713 }
714
715 /* we have to test if path is part of DOCUMENT_ROOT.
716 if it is inside the docroot, we scan the tree up to the docroot
717 to find more user.ini, if not we only scan the current path.
718 */
719 #ifdef PHP_WIN32
720 if (strnicmp(s1, s2, s_len) == 0) {
721 #else
722 if (strncmp(s1, s2, s_len) == 0) {
723 #endif
724 ptr = s2 + start; /* start is the point where doc_root ends! */
725 while ((ptr = strchr(ptr, DEFAULT_SLASH)) != NULL) {
726 *ptr = 0;
727 php_parse_user_ini_file(path, PG(user_ini_filename), entry->user_config);
728 *ptr = '/';
729 ptr++;
730 }
731 } else {
732 php_parse_user_ini_file(path, PG(user_ini_filename), entry->user_config);
733 }
734
735 entry->expires = request_time + PG(user_ini_cache_ttl);
736 }
737
738 /* Activate ini entries with values from the user config hash */
739 php_ini_activate_config(entry->user_config, PHP_INI_PERDIR, PHP_INI_STAGE_HTACCESS);
740 }
741 /* }}} */
742
743 static int sapi_cgi_activate(void) /* {{{ */
744 {
745 fcgi_request *request = (fcgi_request*) SG(server_context);
746 char *path, *doc_root, *server_name;
747 uint path_len, doc_root_len, server_name_len;
748
749 /* PATH_TRANSLATED should be defined at this stage but better safe than sorry :) */
750 if (!SG(request_info).path_translated) {
751 return FAILURE;
752 }
753
754 if (php_ini_has_per_host_config()) {
755 /* Activate per-host-system-configuration defined in php.ini and stored into configuration_hash during startup */
756 server_name = FCGI_GETENV(request, "SERVER_NAME");
757 /* SERVER_NAME should also be defined at this stage..but better check it anyway */
758 if (server_name) {
759 server_name_len = strlen(server_name);
760 server_name = estrndup(server_name, server_name_len);
761 zend_str_tolower(server_name, server_name_len);
762 php_ini_activate_per_host_config(server_name, server_name_len);
763 efree(server_name);
764 }
765 }
766
767 if (php_ini_has_per_dir_config() ||
768 (PG(user_ini_filename) && *PG(user_ini_filename))
769 ) {
770 /* Prepare search path */
771 path_len = strlen(SG(request_info).path_translated);
772
773 /* Make sure we have trailing slash! */
774 if (!IS_SLASH(SG(request_info).path_translated[path_len])) {
775 path = emalloc(path_len + 2);
776 memcpy(path, SG(request_info).path_translated, path_len + 1);
777 path_len = zend_dirname(path, path_len);
778 path[path_len++] = DEFAULT_SLASH;
779 } else {
780 path = estrndup(SG(request_info).path_translated, path_len);
781 path_len = zend_dirname(path, path_len);
782 }
783 path[path_len] = 0;
784
785 /* Activate per-dir-system-configuration defined in php.ini and stored into configuration_hash during startup */
786 php_ini_activate_per_dir_config(path, path_len); /* Note: for global settings sake we check from root to path */
787
788 /* Load and activate user ini files in path starting from DOCUMENT_ROOT */
789 if (PG(user_ini_filename) && *PG(user_ini_filename)) {
790 doc_root = FCGI_GETENV(request, "DOCUMENT_ROOT");
791 /* DOCUMENT_ROOT should also be defined at this stage..but better check it anyway */
792 if (doc_root) {
793 doc_root_len = strlen(doc_root);
794 if (doc_root_len > 0 && IS_SLASH(doc_root[doc_root_len - 1])) {
795 --doc_root_len;
796 }
797 #ifdef PHP_WIN32
798 /* paths on windows should be case-insensitive */
799 doc_root = estrndup(doc_root, doc_root_len);
800 zend_str_tolower(doc_root, doc_root_len);
801 #endif
802 php_cgi_ini_activate_user_config(path, path_len, doc_root, doc_root_len, doc_root_len - 1);
803 }
804 }
805
806 #ifdef PHP_WIN32
807 efree(doc_root);
808 #endif
809 efree(path);
810 }
811
812 return SUCCESS;
813 }
814 /* }}} */
815
816 static int sapi_cgi_deactivate(void) /* {{{ */
817 {
818 /* flush only when SAPI was started. The reasons are:
819 1. SAPI Deactivate is called from two places: module init and request shutdown
820 2. When the first call occurs and the request is not set up, flush fails on FastCGI.
821 */
822 if (SG(sapi_started)) {
823 if (
824 #ifndef PHP_WIN32
825 !parent &&
826 #endif
827 !fcgi_finish_request((fcgi_request*)SG(server_context), 0)) {
828 php_handle_aborted_connection();
829 }
830 }
831 return SUCCESS;
832 }
833 /* }}} */
834
835 static int php_cgi_startup(sapi_module_struct *sapi_module) /* {{{ */
836 {
837 if (php_module_startup(sapi_module, &cgi_module_entry, 1) == FAILURE) {
838 return FAILURE;
839 }
840 return SUCCESS;
841 }
842 /* }}} */
843
844 /* {{{ sapi_module_struct cgi_sapi_module
845 */
846 static sapi_module_struct cgi_sapi_module = {
847 "fpm-fcgi", /* name */
848 "FPM/FastCGI", /* pretty name */
849
850 php_cgi_startup, /* startup */
851 php_module_shutdown_wrapper, /* shutdown */
852
853 sapi_cgi_activate, /* activate */
854 sapi_cgi_deactivate, /* deactivate */
855
856 sapi_cgibin_ub_write, /* unbuffered write */
857 sapi_cgibin_flush, /* flush */
858 NULL, /* get uid */
859 sapi_cgibin_getenv, /* getenv */
860
861 php_error, /* error handler */
862
863 NULL, /* header handler */
864 sapi_cgi_send_headers, /* send headers handler */
865 NULL, /* send header handler */
866
867 sapi_cgi_read_post, /* read POST data */
868 sapi_cgi_read_cookies, /* read Cookies */
869
870 sapi_cgi_register_variables, /* register server variables */
871 sapi_cgi_log_message, /* Log message */
872 NULL, /* Get request time */
873 NULL, /* Child terminate */
874
875 STANDARD_SAPI_MODULE_PROPERTIES
876 };
877 /* }}} */
878
879 /* {{{ php_cgi_usage
880 */
881 static void php_cgi_usage(char *argv0)
882 {
883 char *prog;
884
885 prog = strrchr(argv0, '/');
886 if (prog) {
887 prog++;
888 } else {
889 prog = "php";
890 }
891
892 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"
893 " -c <path>|<file> Look for php.ini file in this directory\n"
894 " -n No php.ini file will be used\n"
895 " -d foo[=bar] Define INI entry foo with value 'bar'\n"
896 " -e Generate extended information for debugger/profiler\n"
897 " -h This help\n"
898 " -i PHP information\n"
899 " -m Show compiled in modules\n"
900 " -v Version number\n"
901 " -p, --prefix <dir>\n"
902 " Specify alternative prefix path to FastCGI process manager (default: %s).\n"
903 " -g, --pid <file>\n"
904 " Specify the PID file location.\n"
905 " -y, --fpm-config <file>\n"
906 " Specify alternative path to FastCGI process manager config file.\n"
907 " -t, --test Test FPM configuration and exit\n"
908 " -D, --daemonize force to run in background, and ignore daemonize option from config file\n"
909 " -F, --nodaemonize\n"
910 " force to stay in foreground, and ignore daemonize option from config file\n"
911 " -O, --force-stderr\n"
912 " force output to stderr in nodaemonize even if stderr is not a TTY\n"
913 " -R, --allow-to-run-as-root\n"
914 " Allow pool to run as root (disabled by default)\n",
915 prog, PHP_PREFIX);
916 }
917 /* }}} */
918
919 /* {{{ is_valid_path
920 *
921 * some server configurations allow '..' to slip through in the
922 * translated path. We'll just refuse to handle such a path.
923 */
924 static int is_valid_path(const char *path)
925 {
926 const char *p;
927
928 if (!path) {
929 return 0;
930 }
931 p = strstr(path, "..");
932 if (p) {
933 if ((p == path || IS_SLASH(*(p-1))) &&
934 (*(p+2) == 0 || IS_SLASH(*(p+2)))
935 ) {
936 return 0;
937 }
938 while (1) {
939 p = strstr(p+1, "..");
940 if (!p) {
941 break;
942 }
943 if (IS_SLASH(*(p-1)) &&
944 (*(p+2) == 0 || IS_SLASH(*(p+2)))
945 ) {
946 return 0;
947 }
948 }
949 }
950 return 1;
951 }
952 /* }}} */
953
954 /* {{{ init_request_info
955
956 initializes request_info structure
957
958 specificly in this section we handle proper translations
959 for:
960
961 PATH_INFO
962 derived from the portion of the URI path following
963 the script name but preceding any query data
964 may be empty
965
966 PATH_TRANSLATED
967 derived by taking any path-info component of the
968 request URI and performing any virtual-to-physical
969 translation appropriate to map it onto the server's
970 document repository structure
971
972 empty if PATH_INFO is empty
973
974 The env var PATH_TRANSLATED **IS DIFFERENT** than the
975 request_info.path_translated variable, the latter should
976 match SCRIPT_FILENAME instead.
977
978 SCRIPT_NAME
979 set to a URL path that could identify the CGI script
980 rather than the interpreter. PHP_SELF is set to this
981
982 REQUEST_URI
983 uri section following the domain:port part of a URI
984
985 SCRIPT_FILENAME
986 The virtual-to-physical translation of SCRIPT_NAME (as per
987 PATH_TRANSLATED)
988
989 These settings are documented at
990 http://cgi-spec.golux.com/
991
992
993 Based on the following URL request:
994
995 http://localhost/info.php/test?a=b
996
997 should produce, which btw is the same as if
998 we were running under mod_cgi on apache (ie. not
999 using ScriptAlias directives):
1000
1001 PATH_INFO=/test
1002 PATH_TRANSLATED=/docroot/test
1003 SCRIPT_NAME=/info.php
1004 REQUEST_URI=/info.php/test?a=b
1005 SCRIPT_FILENAME=/docroot/info.php
1006 QUERY_STRING=a=b
1007
1008 but what we get is (cgi/mod_fastcgi under apache):
1009
1010 PATH_INFO=/info.php/test
1011 PATH_TRANSLATED=/docroot/info.php/test
1012 SCRIPT_NAME=/php/php-cgi (from the Action setting I suppose)
1013 REQUEST_URI=/info.php/test?a=b
1014 SCRIPT_FILENAME=/path/to/php/bin/php-cgi (Action setting translated)
1015 QUERY_STRING=a=b
1016
1017 Comments in the code below refer to using the above URL in a request
1018
1019 */
1020 static void init_request_info(void)
1021 {
1022 fcgi_request *request = (fcgi_request*) SG(server_context);
1023 char *env_script_filename = FCGI_GETENV(request, "SCRIPT_FILENAME");
1024 char *env_path_translated = FCGI_GETENV(request, "PATH_TRANSLATED");
1025 char *script_path_translated = env_script_filename;
1026 char *ini;
1027 int apache_was_here = 0;
1028
1029 /* some broken servers do not have script_filename or argv0
1030 * an example, IIS configured in some ways. then they do more
1031 * broken stuff and set path_translated to the cgi script location */
1032 if (!script_path_translated && env_path_translated) {
1033 script_path_translated = env_path_translated;
1034 }
1035
1036 /* initialize the defaults */
1037 SG(request_info).path_translated = NULL;
1038 SG(request_info).request_method = NULL;
1039 SG(request_info).proto_num = 1000;
1040 SG(request_info).query_string = NULL;
1041 SG(request_info).request_uri = NULL;
1042 SG(request_info).content_type = NULL;
1043 SG(request_info).content_length = 0;
1044 SG(sapi_headers).http_response_code = 200;
1045
1046 /* script_path_translated being set is a good indication that
1047 * we are running in a cgi environment, since it is always
1048 * null otherwise. otherwise, the filename
1049 * of the script will be retreived later via argc/argv */
1050 if (script_path_translated) {
1051 const char *auth;
1052 char *content_length = FCGI_GETENV(request, "CONTENT_LENGTH");
1053 char *content_type = FCGI_GETENV(request, "CONTENT_TYPE");
1054 char *env_path_info = FCGI_GETENV(request, "PATH_INFO");
1055 char *env_script_name = FCGI_GETENV(request, "SCRIPT_NAME");
1056
1057 /* Hack for buggy IIS that sets incorrect PATH_INFO */
1058 char *env_server_software = FCGI_GETENV(request, "SERVER_SOFTWARE");
1059 if (env_server_software &&
1060 env_script_name &&
1061 env_path_info &&
1062 strncmp(env_server_software, "Microsoft-IIS", sizeof("Microsoft-IIS") - 1) == 0 &&
1063 strncmp(env_path_info, env_script_name, strlen(env_script_name)) == 0
1064 ) {
1065 env_path_info = FCGI_PUTENV(request, "ORIG_PATH_INFO", env_path_info);
1066 env_path_info += strlen(env_script_name);
1067 if (*env_path_info == 0) {
1068 env_path_info = NULL;
1069 }
1070 env_path_info = FCGI_PUTENV(request, "PATH_INFO", env_path_info);
1071 }
1072
1073 #define APACHE_PROXY_FCGI_PREFIX "proxy:fcgi://"
1074 #define APACHE_PROXY_BALANCER_PREFIX "proxy:balancer://"
1075 /* Fix proxy URLs in SCRIPT_FILENAME generated by Apache mod_proxy_fcgi and mod_proxy_balancer:
1076 * proxy:fcgi://localhost:9000/some-dir/info.php/test?foo=bar
1077 * proxy:balancer://localhost:9000/some-dir/info.php/test?foo=bar
1078 * should be changed to:
1079 * /some-dir/info.php/test
1080 * See: http://bugs.php.net/bug.php?id=54152
1081 * http://bugs.php.net/bug.php?id=62172
1082 * https://issues.apache.org/bugzilla/show_bug.cgi?id=50851
1083 */
1084 if (env_script_filename &&
1085 strncasecmp(env_script_filename, APACHE_PROXY_FCGI_PREFIX, sizeof(APACHE_PROXY_FCGI_PREFIX) - 1) == 0) {
1086 /* advance to first character of hostname */
1087 char *p = env_script_filename + (sizeof(APACHE_PROXY_FCGI_PREFIX) - 1);
1088 while (*p != '\0' && *p != '/') {
1089 p++; /* move past hostname and port */
1090 }
1091 if (*p != '\0') {
1092 /* Copy path portion in place to avoid memory leak. Note
1093 * that this also affects what script_path_translated points
1094 * to. */
1095 memmove(env_script_filename, p, strlen(p) + 1);
1096 apache_was_here = 1;
1097 }
1098 /* ignore query string if sent by Apache (RewriteRule) */
1099 p = strchr(env_script_filename, '?');
1100 if (p) {
1101 *p =0;
1102 }
1103 }
1104
1105 if (env_script_filename &&
1106 strncasecmp(env_script_filename, APACHE_PROXY_BALANCER_PREFIX, sizeof(APACHE_PROXY_BALANCER_PREFIX) - 1) == 0) {
1107 /* advance to first character of hostname */
1108 char *p = env_script_filename + (sizeof(APACHE_PROXY_BALANCER_PREFIX) - 1);
1109 while (*p != '\0' && *p != '/') {
1110 p++; /* move past hostname and port */
1111 }
1112 if (*p != '\0') {
1113 /* Copy path portion in place to avoid memory leak. Note
1114 * that this also affects what script_path_translated points
1115 * to. */
1116 memmove(env_script_filename, p, strlen(p) + 1);
1117 apache_was_here = 1;
1118 }
1119 /* ignore query string if sent by Apache (RewriteRule) */
1120 p = strchr(env_script_filename, '?');
1121 if (p) {
1122 *p =0;
1123 }
1124 }
1125
1126 if (CGIG(fix_pathinfo)) {
1127 struct stat st;
1128 char *real_path = NULL;
1129 char *env_redirect_url = FCGI_GETENV(request, "REDIRECT_URL");
1130 char *env_document_root = FCGI_GETENV(request, "DOCUMENT_ROOT");
1131 char *orig_path_translated = env_path_translated;
1132 char *orig_path_info = env_path_info;
1133 char *orig_script_name = env_script_name;
1134 char *orig_script_filename = env_script_filename;
1135 int script_path_translated_len;
1136
1137 if (!env_document_root && PG(doc_root)) {
1138 env_document_root = FCGI_PUTENV(request, "DOCUMENT_ROOT", PG(doc_root));
1139 /* fix docroot */
1140 TRANSLATE_SLASHES(env_document_root);
1141 }
1142
1143 if (!apache_was_here && env_path_translated != NULL && env_redirect_url != NULL &&
1144 env_path_translated != script_path_translated &&
1145 strcmp(env_path_translated, script_path_translated) != 0) {
1146 /*
1147 * pretty much apache specific. If we have a redirect_url
1148 * then our script_filename and script_name point to the
1149 * php executable
1150 * we don't want to do this for the new mod_proxy_fcgi approach,
1151 * where redirect_url may also exist but the below will break
1152 * with rewrites to PATH_INFO, hence the !apache_was_here check
1153 */
1154 script_path_translated = env_path_translated;
1155 /* we correct SCRIPT_NAME now in case we don't have PATH_INFO */
1156 env_script_name = env_redirect_url;
1157 }
1158
1159 #ifdef __riscos__
1160 /* Convert path to unix format*/
1161 __riscosify_control |= __RISCOSIFY_DONT_CHECK_DIR;
1162 script_path_translated = __unixify(script_path_translated, 0, NULL, 1, 0);
1163 #endif
1164
1165 /*
1166 * if the file doesn't exist, try to extract PATH_INFO out
1167 * of it by stat'ing back through the '/'
1168 * this fixes url's like /info.php/test
1169 */
1170 if (script_path_translated &&
1171 (script_path_translated_len = strlen(script_path_translated)) > 0 &&
1172 (script_path_translated[script_path_translated_len-1] == '/' ||
1173 #ifdef PHP_WIN32
1174 script_path_translated[script_path_translated_len-1] == '\\' ||
1175 #endif
1176 (real_path = tsrm_realpath(script_path_translated, NULL)) == NULL)
1177 ) {
1178 char *pt = estrndup(script_path_translated, script_path_translated_len);
1179 int len = script_path_translated_len;
1180 char *ptr;
1181
1182 if (pt) {
1183 while ((ptr = strrchr(pt, '/')) || (ptr = strrchr(pt, '\\'))) {
1184 *ptr = 0;
1185 if (stat(pt, &st) == 0 && S_ISREG(st.st_mode)) {
1186 /*
1187 * okay, we found the base script!
1188 * work out how many chars we had to strip off;
1189 * then we can modify PATH_INFO
1190 * accordingly
1191 *
1192 * we now have the makings of
1193 * PATH_INFO=/test
1194 * SCRIPT_FILENAME=/docroot/info.php
1195 *
1196 * we now need to figure out what docroot is.
1197 * if DOCUMENT_ROOT is set, this is easy, otherwise,
1198 * we have to play the game of hide and seek to figure
1199 * out what SCRIPT_NAME should be
1200 */
1201 int ptlen = strlen(pt);
1202 int slen = len - ptlen;
1203 int pilen = env_path_info ? strlen(env_path_info) : 0;
1204 int tflag = 0;
1205 char *path_info;
1206 if (apache_was_here) {
1207 /* recall that PATH_INFO won't exist */
1208 path_info = script_path_translated + ptlen;
1209 tflag = (slen != 0 && (!orig_path_info || strcmp(orig_path_info, path_info) != 0));
1210 } else {
1211 path_info = env_path_info ? env_path_info + pilen - slen : NULL;
1212 tflag = (orig_path_info != path_info);
1213 }
1214
1215 if (tflag) {
1216 if (orig_path_info) {
1217 char old;
1218
1219 FCGI_PUTENV(request, "ORIG_PATH_INFO", orig_path_info);
1220 old = path_info[0];
1221 path_info[0] = 0;
1222 if (!orig_script_name ||
1223 strcmp(orig_script_name, env_path_info) != 0) {
1224 if (orig_script_name) {
1225 FCGI_PUTENV(request, "ORIG_SCRIPT_NAME", orig_script_name);
1226 }
1227 SG(request_info).request_uri = FCGI_PUTENV(request, "SCRIPT_NAME", env_path_info);
1228 } else {
1229 SG(request_info).request_uri = orig_script_name;
1230 }
1231 path_info[0] = old;
1232 } else if (apache_was_here && env_script_name) {
1233 /* Using mod_proxy_fcgi and ProxyPass, apache cannot set PATH_INFO
1234 * As we can extract PATH_INFO from PATH_TRANSLATED
1235 * it is probably also in SCRIPT_NAME and need to be removed
1236 */
1237 int snlen = strlen(env_script_name);
1238 if (snlen>slen && !strcmp(env_script_name+snlen-slen, path_info)) {
1239 FCGI_PUTENV(request, "ORIG_SCRIPT_NAME", orig_script_name);
1240 env_script_name[snlen-slen] = 0;
1241 SG(request_info).request_uri = FCGI_PUTENV(request, "SCRIPT_NAME", env_script_name);
1242 }
1243 }
1244 env_path_info = FCGI_PUTENV(request, "PATH_INFO", path_info);
1245 }
1246 if (!orig_script_filename ||
1247 strcmp(orig_script_filename, pt) != 0) {
1248 if (orig_script_filename) {
1249 FCGI_PUTENV(request, "ORIG_SCRIPT_FILENAME", orig_script_filename);
1250 }
1251 script_path_translated = FCGI_PUTENV(request, "SCRIPT_FILENAME", pt);
1252 }
1253 TRANSLATE_SLASHES(pt);
1254
1255 /* figure out docroot
1256 * SCRIPT_FILENAME minus SCRIPT_NAME
1257 */
1258 if (env_document_root) {
1259 int l = strlen(env_document_root);
1260 int path_translated_len = 0;
1261 char *path_translated = NULL;
1262
1263 if (l && env_document_root[l - 1] == '/') {
1264 --l;
1265 }
1266
1267 /* we have docroot, so we should have:
1268 * DOCUMENT_ROOT=/docroot
1269 * SCRIPT_FILENAME=/docroot/info.php
1270 */
1271
1272 /* PATH_TRANSLATED = DOCUMENT_ROOT + PATH_INFO */
1273 path_translated_len = l + (env_path_info ? strlen(env_path_info) : 0);
1274 path_translated = (char *) emalloc(path_translated_len + 1);
1275 memcpy(path_translated, env_document_root, l);
1276 if (env_path_info) {
1277 memcpy(path_translated + l, env_path_info, (path_translated_len - l));
1278 }
1279 path_translated[path_translated_len] = '\0';
1280 if (orig_path_translated) {
1281 FCGI_PUTENV(request, "ORIG_PATH_TRANSLATED", orig_path_translated);
1282 }
1283 env_path_translated = FCGI_PUTENV(request, "PATH_TRANSLATED", path_translated);
1284 efree(path_translated);
1285 } else if ( env_script_name &&
1286 strstr(pt, env_script_name)
1287 ) {
1288 /* PATH_TRANSLATED = PATH_TRANSLATED - SCRIPT_NAME + PATH_INFO */
1289 int ptlen = strlen(pt) - strlen(env_script_name);
1290 int path_translated_len = ptlen + (env_path_info ? strlen(env_path_info) : 0);
1291 char *path_translated = NULL;
1292
1293 path_translated = (char *) emalloc(path_translated_len + 1);
1294 memcpy(path_translated, pt, ptlen);
1295 if (env_path_info) {
1296 memcpy(path_translated + ptlen, env_path_info, path_translated_len - ptlen);
1297 }
1298 path_translated[path_translated_len] = '\0';
1299 if (orig_path_translated) {
1300 FCGI_PUTENV(request, "ORIG_PATH_TRANSLATED", orig_path_translated);
1301 }
1302 env_path_translated = FCGI_PUTENV(request, "PATH_TRANSLATED", path_translated);
1303 efree(path_translated);
1304 }
1305 break;
1306 }
1307 }
1308 } else {
1309 ptr = NULL;
1310 }
1311 if (!ptr) {
1312 /*
1313 * if we stripped out all the '/' and still didn't find
1314 * a valid path... we will fail, badly. of course we would
1315 * have failed anyway... we output 'no input file' now.
1316 */
1317 if (orig_script_filename) {
1318 FCGI_PUTENV(request, "ORIG_SCRIPT_FILENAME", orig_script_filename);
1319 }
1320 script_path_translated = FCGI_PUTENV(request, "SCRIPT_FILENAME", NULL);
1321 SG(sapi_headers).http_response_code = 404;
1322 }
1323 if (!SG(request_info).request_uri) {
1324 if (!orig_script_name ||
1325 strcmp(orig_script_name, env_script_name) != 0) {
1326 if (orig_script_name) {
1327 FCGI_PUTENV(request, "ORIG_SCRIPT_NAME", orig_script_name);
1328 }
1329 SG(request_info).request_uri = FCGI_PUTENV(request, "SCRIPT_NAME", env_script_name);
1330 } else {
1331 SG(request_info).request_uri = orig_script_name;
1332 }
1333 }
1334 if (pt) {
1335 efree(pt);
1336 }
1337 } else {
1338 /* make sure original values are remembered in ORIG_ copies if we've changed them */
1339 if (!orig_script_filename ||
1340 (script_path_translated != orig_script_filename &&
1341 strcmp(script_path_translated, orig_script_filename) != 0)) {
1342 if (orig_script_filename) {
1343 FCGI_PUTENV(request, "ORIG_SCRIPT_FILENAME", orig_script_filename);
1344 }
1345 script_path_translated = FCGI_PUTENV(request, "SCRIPT_FILENAME", script_path_translated);
1346 }
1347 if (!apache_was_here && env_redirect_url) {
1348 /* if we used PATH_TRANSLATED to work around Apache mod_fastcgi (but not mod_proxy_fcgi,
1349 * hence !apache_was_here) weirdness, strip info accordingly */
1350 if (orig_path_info) {
1351 FCGI_PUTENV(request, "ORIG_PATH_INFO", orig_path_info);
1352 FCGI_PUTENV(request, "PATH_INFO", NULL);
1353 }
1354 if (orig_path_translated) {
1355 FCGI_PUTENV(request, "ORIG_PATH_TRANSLATED", orig_path_translated);
1356 FCGI_PUTENV(request, "PATH_TRANSLATED", NULL);
1357 }
1358 }
1359 if (env_script_name != orig_script_name) {
1360 if (orig_script_name) {
1361 FCGI_PUTENV(request, "ORIG_SCRIPT_NAME", orig_script_name);
1362 }
1363 SG(request_info).request_uri = FCGI_PUTENV(request, "SCRIPT_NAME", env_script_name);
1364 } else {
1365 SG(request_info).request_uri = env_script_name;
1366 }
1367 efree(real_path);
1368 }
1369 } else {
1370 /* pre 4.3 behaviour, shouldn't be used but provides BC */
1371 if (env_path_info) {
1372 SG(request_info).request_uri = env_path_info;
1373 } else {
1374 SG(request_info).request_uri = env_script_name;
1375 }
1376 if (!CGIG(discard_path) && env_path_translated) {
1377 script_path_translated = env_path_translated;
1378 }
1379 }
1380
1381 if (is_valid_path(script_path_translated)) {
1382 SG(request_info).path_translated = estrdup(script_path_translated);
1383 }
1384
1385 SG(request_info).request_method = FCGI_GETENV(request, "REQUEST_METHOD");
1386 /* FIXME - Work out proto_num here */
1387 SG(request_info).query_string = FCGI_GETENV(request, "QUERY_STRING");
1388 SG(request_info).content_type = (content_type ? content_type : "" );
1389 SG(request_info).content_length = (content_length ? atol(content_length) : 0);
1390
1391 /* The CGI RFC allows servers to pass on unvalidated Authorization data */
1392 auth = FCGI_GETENV(request, "HTTP_AUTHORIZATION");
1393 php_handle_auth_data(auth);
1394 }
1395
1396 /* INI stuff */
1397 ini = FCGI_GETENV(request, "PHP_VALUE");
1398 if (ini) {
1399 int mode = ZEND_INI_USER;
1400 char *tmp;
1401 spprintf(&tmp, 0, "%s\n", ini);
1402 zend_parse_ini_string(tmp, 1, ZEND_INI_SCANNER_NORMAL, (zend_ini_parser_cb_t)fastcgi_ini_parser, &mode);
1403 efree(tmp);
1404 }
1405
1406 ini = FCGI_GETENV(request, "PHP_ADMIN_VALUE");
1407 if (ini) {
1408 int mode = ZEND_INI_SYSTEM;
1409 char *tmp;
1410 spprintf(&tmp, 0, "%s\n", ini);
1411 zend_parse_ini_string(tmp, 1, ZEND_INI_SCANNER_NORMAL, (zend_ini_parser_cb_t)fastcgi_ini_parser, &mode);
1412 efree(tmp);
1413 }
1414 }
1415 /* }}} */
1416
1417 static fcgi_request *fpm_init_request(int listen_fd) /* {{{ */ {
1418 fcgi_request *req = fcgi_init_request(listen_fd,
1419 fpm_request_accepting,
1420 fpm_request_reading_headers,
1421 fpm_request_finished);
1422 return req;
1423 }
1424 /* }}} */
1425
1426 static void fastcgi_ini_parser(zval *arg1, zval *arg2, zval *arg3, int callback_type, void *arg) /* {{{ */
1427 {
1428 int *mode = (int *)arg;
1429 char *key;
1430 char *value = NULL;
1431 struct key_value_s kv;
1432
1433 if (!mode || !arg1) return;
1434
1435 if (callback_type != ZEND_INI_PARSER_ENTRY) {
1436 zlog(ZLOG_ERROR, "Passing INI directive through FastCGI: only classic entries are allowed");
1437 return;
1438 }
1439
1440 key = Z_STRVAL_P(arg1);
1441
1442 if (!key || strlen(key) < 1) {
1443 zlog(ZLOG_ERROR, "Passing INI directive through FastCGI: empty key");
1444 return;
1445 }
1446
1447 if (arg2) {
1448 value = Z_STRVAL_P(arg2);
1449 }
1450
1451 if (!value) {
1452 zlog(ZLOG_ERROR, "Passing INI directive through FastCGI: empty value for key '%s'", key);
1453 return;
1454 }
1455
1456 kv.key = key;
1457 kv.value = value;
1458 kv.next = NULL;
1459 if (fpm_php_apply_defines_ex(&kv, *mode) == -1) {
1460 zlog(ZLOG_ERROR, "Passing INI directive through FastCGI: unable to set '%s'", key);
1461 }
1462 }
1463 /* }}} */
1464
1465 PHP_INI_BEGIN()
1466 STD_PHP_INI_ENTRY("cgi.rfc2616_headers", "0", PHP_INI_ALL, OnUpdateBool, rfc2616_headers, php_cgi_globals_struct, php_cgi_globals)
1467 STD_PHP_INI_ENTRY("cgi.nph", "0", PHP_INI_ALL, OnUpdateBool, nph, php_cgi_globals_struct, php_cgi_globals)
1468 STD_PHP_INI_ENTRY("cgi.force_redirect", "1", PHP_INI_SYSTEM, OnUpdateBool, force_redirect, php_cgi_globals_struct, php_cgi_globals)
1469 STD_PHP_INI_ENTRY("cgi.redirect_status_env", NULL, PHP_INI_SYSTEM, OnUpdateString, redirect_status_env, php_cgi_globals_struct, php_cgi_globals)
1470 STD_PHP_INI_ENTRY("cgi.fix_pathinfo", "1", PHP_INI_SYSTEM, OnUpdateBool, fix_pathinfo, php_cgi_globals_struct, php_cgi_globals)
1471 STD_PHP_INI_ENTRY("cgi.discard_path", "0", PHP_INI_SYSTEM, OnUpdateBool, discard_path, php_cgi_globals_struct, php_cgi_globals)
1472 STD_PHP_INI_ENTRY("fastcgi.logging", "1", PHP_INI_SYSTEM, OnUpdateBool, fcgi_logging, php_cgi_globals_struct, php_cgi_globals)
1473 STD_PHP_INI_ENTRY("fastcgi.error_header", NULL, PHP_INI_SYSTEM, OnUpdateString, error_header, php_cgi_globals_struct, php_cgi_globals)
1474 STD_PHP_INI_ENTRY("fpm.config", NULL, PHP_INI_SYSTEM, OnUpdateString, fpm_config, php_cgi_globals_struct, php_cgi_globals)
1475 PHP_INI_END()
1476
1477 /* {{{ php_cgi_globals_ctor
1478 */
1479 static void php_cgi_globals_ctor(php_cgi_globals_struct *php_cgi_globals)
1480 {
1481 php_cgi_globals->rfc2616_headers = 0;
1482 php_cgi_globals->nph = 0;
1483 php_cgi_globals->force_redirect = 1;
1484 php_cgi_globals->redirect_status_env = NULL;
1485 php_cgi_globals->fix_pathinfo = 1;
1486 php_cgi_globals->discard_path = 0;
1487 php_cgi_globals->fcgi_logging = 1;
1488 zend_hash_init(&php_cgi_globals->user_config_cache, 0, NULL, user_config_cache_entry_dtor, 1);
1489 php_cgi_globals->error_header = NULL;
1490 php_cgi_globals->fpm_config = NULL;
1491 }
1492 /* }}} */
1493
1494 /* {{{ PHP_MINIT_FUNCTION
1495 */
1496 static PHP_MINIT_FUNCTION(cgi)
1497 {
1498 #ifdef ZTS
1499 ts_allocate_id(&php_cgi_globals_id, sizeof(php_cgi_globals_struct), (ts_allocate_ctor) php_cgi_globals_ctor, NULL);
1500 #else
1501 php_cgi_globals_ctor(&php_cgi_globals);
1502 #endif
1503 REGISTER_INI_ENTRIES();
1504 return SUCCESS;
1505 }
1506 /* }}} */
1507
1508 /* {{{ PHP_MSHUTDOWN_FUNCTION
1509 */
1510 static PHP_MSHUTDOWN_FUNCTION(cgi)
1511 {
1512 zend_hash_destroy(&CGIG(user_config_cache));
1513
1514 UNREGISTER_INI_ENTRIES();
1515 return SUCCESS;
1516 }
1517 /* }}} */
1518
1519 /* {{{ PHP_MINFO_FUNCTION
1520 */
1521 static PHP_MINFO_FUNCTION(cgi)
1522 {
1523 php_info_print_table_start();
1524 php_info_print_table_row(2, "php-fpm", "active");
1525 php_info_print_table_end();
1526
1527 DISPLAY_INI_ENTRIES();
1528 }
1529 /* }}} */
1530
1531 PHP_FUNCTION(fastcgi_finish_request) /* {{{ */
1532 {
1533 fcgi_request *request = (fcgi_request*) SG(server_context);
1534
1535 if (!fcgi_is_closed(request)) {
1536 php_output_end_all();
1537 php_header();
1538
1539 fcgi_end(request);
1540 fcgi_close(request, 0, 0);
1541 RETURN_TRUE;
1542 }
1543
1544 RETURN_FALSE;
1545
1546 }
1547 /* }}} */
1548
1549 static const zend_function_entry cgi_fcgi_sapi_functions[] = {
1550 PHP_FE(fastcgi_finish_request, NULL)
1551 {NULL, NULL, NULL}
1552 };
1553
1554 static zend_module_entry cgi_module_entry = {
1555 STANDARD_MODULE_HEADER,
1556 "cgi-fcgi",
1557 cgi_fcgi_sapi_functions,
1558 PHP_MINIT(cgi),
1559 PHP_MSHUTDOWN(cgi),
1560 NULL,
1561 NULL,
1562 PHP_MINFO(cgi),
1563 NO_VERSION_YET,
1564 STANDARD_MODULE_PROPERTIES
1565 };
1566
1567 /* {{{ main
1568 */
1569 int main(int argc, char *argv[])
1570 {
1571 int exit_status = FPM_EXIT_OK;
1572 int cgi = 0, c, use_extended_info = 0;
1573 zend_file_handle file_handle;
1574
1575 /* temporary locals */
1576 int orig_optind = php_optind;
1577 char *orig_optarg = php_optarg;
1578 int ini_entries_len = 0;
1579 /* end of temporary locals */
1580
1581 #ifdef ZTS
1582 void ***tsrm_ls;
1583 #endif
1584
1585 int max_requests = 500;
1586 int requests = 0;
1587 int fcgi_fd = 0;
1588 fcgi_request *request;
1589 char *fpm_config = NULL;
1590 char *fpm_prefix = NULL;
1591 char *fpm_pid = NULL;
1592 int test_conf = 0;
1593 int force_daemon = -1;
1594 int force_stderr = 0;
1595 int php_information = 0;
1596 int php_allow_to_run_as_root = 0;
1597
1598 #ifdef HAVE_SIGNAL_H
1599 #if defined(SIGPIPE) && defined(SIG_IGN)
1600 signal(SIGPIPE, SIG_IGN); /* ignore SIGPIPE in standalone mode so
1601 that sockets created via fsockopen()
1602 don't kill PHP if the remote site
1603 closes it. in apache|apxs mode apache
1604 does that for us! thies@thieso.net
1605 20000419 */
1606 #endif
1607 #endif
1608
1609 #ifdef ZTS
1610 tsrm_startup(1, 1, 0, NULL);
1611 tsrm_ls = ts_resource(0);
1612 #endif
1613
1614 #ifdef ZEND_SIGNALS
1615 zend_signal_startup();
1616 #endif
1617
1618 sapi_startup(&cgi_sapi_module);
1619 cgi_sapi_module.php_ini_path_override = NULL;
1620 cgi_sapi_module.php_ini_ignore_cwd = 1;
1621
1622 #ifndef HAVE_ATTRIBUTE_WEAK
1623 fcgi_set_logger(fpm_fcgi_log);
1624 #endif
1625
1626 fcgi_init();
1627
1628 #ifdef PHP_WIN32
1629 _fmode = _O_BINARY; /* sets default for file streams to binary */
1630 setmode(_fileno(stdin), O_BINARY); /* make the stdio mode be binary */
1631 setmode(_fileno(stdout), O_BINARY); /* make the stdio mode be binary */
1632 setmode(_fileno(stderr), O_BINARY); /* make the stdio mode be binary */
1633 #endif
1634
1635 while ((c = php_getopt(argc, argv, OPTIONS, &php_optarg, &php_optind, 0, 2)) != -1) {
1636 switch (c) {
1637 case 'c':
1638 if (cgi_sapi_module.php_ini_path_override) {
1639 free(cgi_sapi_module.php_ini_path_override);
1640 }
1641 cgi_sapi_module.php_ini_path_override = strdup(php_optarg);
1642 break;
1643
1644 case 'n':
1645 cgi_sapi_module.php_ini_ignore = 1;
1646 break;
1647
1648 case 'd': {
1649 /* define ini entries on command line */
1650 int len = strlen(php_optarg);
1651 char *val;
1652
1653 if ((val = strchr(php_optarg, '='))) {
1654 val++;
1655 if (!isalnum(*val) && *val != '"' && *val != '\'' && *val != '\0') {
1656 cgi_sapi_module.ini_entries = realloc(cgi_sapi_module.ini_entries, ini_entries_len + len + sizeof("\"\"\n\0"));
1657 memcpy(cgi_sapi_module.ini_entries + ini_entries_len, php_optarg, (val - php_optarg));
1658 ini_entries_len += (val - php_optarg);
1659 memcpy(cgi_sapi_module.ini_entries + ini_entries_len, "\"", 1);
1660 ini_entries_len++;
1661 memcpy(cgi_sapi_module.ini_entries + ini_entries_len, val, len - (val - php_optarg));
1662 ini_entries_len += len - (val - php_optarg);
1663 memcpy(cgi_sapi_module.ini_entries + ini_entries_len, "\"\n\0", sizeof("\"\n\0"));
1664 ini_entries_len += sizeof("\n\0\"") - 2;
1665 } else {
1666 cgi_sapi_module.ini_entries = realloc(cgi_sapi_module.ini_entries, ini_entries_len + len + sizeof("\n\0"));
1667 memcpy(cgi_sapi_module.ini_entries + ini_entries_len, php_optarg, len);
1668 memcpy(cgi_sapi_module.ini_entries + ini_entries_len + len, "\n\0", sizeof("\n\0"));
1669 ini_entries_len += len + sizeof("\n\0") - 2;
1670 }
1671 } else {
1672 cgi_sapi_module.ini_entries = realloc(cgi_sapi_module.ini_entries, ini_entries_len + len + sizeof("=1\n\0"));
1673 memcpy(cgi_sapi_module.ini_entries + ini_entries_len, php_optarg, len);
1674 memcpy(cgi_sapi_module.ini_entries + ini_entries_len + len, "=1\n\0", sizeof("=1\n\0"));
1675 ini_entries_len += len + sizeof("=1\n\0") - 2;
1676 }
1677 break;
1678 }
1679
1680 case 'y':
1681 fpm_config = php_optarg;
1682 break;
1683
1684 case 'p':
1685 fpm_prefix = php_optarg;
1686 break;
1687
1688 case 'g':
1689 fpm_pid = php_optarg;
1690 break;
1691
1692 case 'e': /* enable extended info output */
1693 use_extended_info = 1;
1694 break;
1695
1696 case 't':
1697 test_conf++;
1698 break;
1699
1700 case 'm': /* list compiled in modules */
1701 cgi_sapi_module.startup(&cgi_sapi_module);
1702 php_output_activate();
1703 SG(headers_sent) = 1;
1704 php_printf("[PHP Modules]\n");
1705 print_modules();
1706 php_printf("\n[Zend Modules]\n");
1707 print_extensions();
1708 php_printf("\n");
1709 php_output_end_all();
1710 php_output_deactivate();
1711 fcgi_shutdown();
1712 exit_status = FPM_EXIT_OK;
1713 goto out;
1714
1715 case 'i': /* php info & quit */
1716 php_information = 1;
1717 break;
1718
1719 case 'R': /* allow to run as root */
1720 php_allow_to_run_as_root = 1;
1721 break;
1722
1723 case 'D': /* daemonize */
1724 force_daemon = 1;
1725 break;
1726
1727 case 'F': /* nodaemonize */
1728 force_daemon = 0;
1729 break;
1730
1731 case 'O': /* force stderr even on non tty */
1732 force_stderr = 1;
1733 break;
1734
1735 default:
1736 case 'h':
1737 case '?':
1738 cgi_sapi_module.startup(&cgi_sapi_module);
1739 php_output_activate();
1740 SG(headers_sent) = 1;
1741 php_cgi_usage(argv[0]);
1742 php_output_end_all();
1743 php_output_deactivate();
1744 fcgi_shutdown();
1745 exit_status = (c == 'h') ? FPM_EXIT_OK : FPM_EXIT_USAGE;
1746 goto out;
1747
1748 case 'v': /* show php version & quit */
1749 cgi_sapi_module.startup(&cgi_sapi_module);
1750 if (php_request_startup() == FAILURE) {
1751 SG(server_context) = NULL;
1752 php_module_shutdown();
1753 return FPM_EXIT_SOFTWARE;
1754 }
1755 SG(headers_sent) = 1;
1756 SG(request_info).no_headers = 1;
1757
1758 #if ZEND_DEBUG
1759 php_printf("PHP %s (%s) (built: %s %s) (DEBUG)\nCopyright (c) 1997-2017 The PHP Group\n%s", PHP_VERSION, sapi_module.name, __DATE__, __TIME__, get_zend_version());
1760 #else
1761 php_printf("PHP %s (%s) (built: %s %s)\nCopyright (c) 1997-2017 The PHP Group\n%s", PHP_VERSION, sapi_module.name, __DATE__, __TIME__, get_zend_version());
1762 #endif
1763 php_request_shutdown((void *) 0);
1764 fcgi_shutdown();
1765 exit_status = FPM_EXIT_OK;
1766 goto out;
1767 }
1768 }
1769
1770 if (php_information) {
1771 cgi_sapi_module.phpinfo_as_text = 1;
1772 cgi_sapi_module.startup(&cgi_sapi_module);
1773 if (php_request_startup() == FAILURE) {
1774 SG(server_context) = NULL;
1775 php_module_shutdown();
1776 return FPM_EXIT_SOFTWARE;
1777 }
1778 SG(headers_sent) = 1;
1779 SG(request_info).no_headers = 1;
1780 php_print_info(0xFFFFFFFF);
1781 php_request_shutdown((void *) 0);
1782 fcgi_shutdown();
1783 exit_status = FPM_EXIT_OK;
1784 goto out;
1785 }
1786
1787 /* No other args are permitted here as there is no interactive mode */
1788 if (argc != php_optind) {
1789 cgi_sapi_module.startup(&cgi_sapi_module);
1790 php_output_activate();
1791 SG(headers_sent) = 1;
1792 php_cgi_usage(argv[0]);
1793 php_output_end_all();
1794 php_output_deactivate();
1795 fcgi_shutdown();
1796 exit_status = FPM_EXIT_USAGE;
1797 goto out;
1798 }
1799
1800 php_optind = orig_optind;
1801 php_optarg = orig_optarg;
1802
1803 #ifdef ZTS
1804 SG(request_info).path_translated = NULL;
1805 #endif
1806
1807 cgi_sapi_module.additional_functions = NULL;
1808 cgi_sapi_module.executable_location = argv[0];
1809
1810 /* startup after we get the above ini override se we get things right */
1811 if (cgi_sapi_module.startup(&cgi_sapi_module) == FAILURE) {
1812 #ifdef ZTS
1813 tsrm_shutdown();
1814 #endif
1815 return FPM_EXIT_SOFTWARE;
1816 }
1817
1818 if (use_extended_info) {
1819 CG(compiler_options) |= ZEND_COMPILE_EXTENDED_INFO;
1820 }
1821
1822 /* check force_cgi after startup, so we have proper output */
1823 if (cgi && CGIG(force_redirect)) {
1824 /* Apache will generate REDIRECT_STATUS,
1825 * Netscape and redirect.so will generate HTTP_REDIRECT_STATUS.
1826 * redirect.so and installation instructions available from
1827 * http://www.koehntopp.de/php.
1828 * -- kk@netuse.de
1829 */
1830 if (!getenv("REDIRECT_STATUS") &&
1831 !getenv ("HTTP_REDIRECT_STATUS") &&
1832 /* this is to allow a different env var to be configured
1833 * in case some server does something different than above */
1834 (!CGIG(redirect_status_env) || !getenv(CGIG(redirect_status_env)))
1835 ) {
1836 zend_try {
1837 SG(sapi_headers).http_response_code = 400;
1838 PUTS("<b>Security Alert!</b> The PHP CGI cannot be accessed directly.\n\n\
1839 <p>This PHP CGI binary was compiled with force-cgi-redirect enabled. This\n\
1840 means that a page will only be served up if the REDIRECT_STATUS CGI variable is\n\
1841 set, e.g. via an Apache Action directive.</p>\n\
1842 <p>For more information as to <i>why</i> this behaviour exists, see the <a href=\"http://php.net/security.cgi-bin\">\
1843 manual page for CGI security</a>.</p>\n\
1844 <p>For more information about changing this behaviour or re-enabling this webserver,\n\
1845 consult the installation file that came with this distribution, or visit \n\
1846 <a href=\"http://php.net/install.windows\">the manual page</a>.</p>\n");
1847 } zend_catch {
1848 } zend_end_try();
1849 #if defined(ZTS) && !defined(PHP_DEBUG)
1850 /* XXX we're crashing here in msvc6 debug builds at
1851 * php_message_handler_for_zend:839 because
1852 * SG(request_info).path_translated is an invalid pointer.
1853 * It still happens even though I set it to null, so something
1854 * weird is going on.
1855 */
1856 tsrm_shutdown();
1857 #endif
1858 return FPM_EXIT_SOFTWARE;
1859 }
1860 }
1861
1862 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)) {
1863
1864 if (fpm_globals.send_config_pipe[1]) {
1865 int writeval = 0;
1866 zlog(ZLOG_DEBUG, "Sending \"0\" (error) to parent via fd=%d", fpm_globals.send_config_pipe[1]);
1867 zend_quiet_write(fpm_globals.send_config_pipe[1], &writeval, sizeof(writeval));
1868 close(fpm_globals.send_config_pipe[1]);
1869 }
1870 return FPM_EXIT_CONFIG;
1871 }
1872
1873 if (fpm_globals.send_config_pipe[1]) {
1874 int writeval = 1;
1875 zlog(ZLOG_DEBUG, "Sending \"1\" (OK) to parent via fd=%d", fpm_globals.send_config_pipe[1]);
1876 zend_quiet_write(fpm_globals.send_config_pipe[1], &writeval, sizeof(writeval));
1877 close(fpm_globals.send_config_pipe[1]);
1878 }
1879 fpm_is_running = 1;
1880
1881 fcgi_fd = fpm_run(&max_requests);
1882 parent = 0;
1883
1884 /* onced forked tell zlog to also send messages through sapi_cgi_log_fastcgi() */
1885 zlog_set_external_logger(sapi_cgi_log_fastcgi);
1886
1887 /* make php call us to get _ENV vars */
1888 php_php_import_environment_variables = php_import_environment_variables;
1889 php_import_environment_variables = cgi_php_import_environment_variables;
1890
1891 /* library is already initialized, now init our request */
1892 request = fpm_init_request(fcgi_fd);
1893
1894 zend_first_try {
1895 while (EXPECTED(fcgi_accept_request(request) >= 0)) {
1896 char *primary_script = NULL;
1897 request_body_fd = -1;
1898 SG(server_context) = (void *) request;
1899 init_request_info();
1900
1901 fpm_request_info();
1902
1903 /* request startup only after we've done all we can to
1904 * get path_translated */
1905 if (UNEXPECTED(php_request_startup() == FAILURE)) {
1906 fcgi_finish_request(request, 1);
1907 SG(server_context) = NULL;
1908 php_module_shutdown();
1909 return FPM_EXIT_SOFTWARE;
1910 }
1911
1912 /* check if request_method has been sent.
1913 * if not, it's certainly not an HTTP over fcgi request */
1914 if (UNEXPECTED(!SG(request_info).request_method)) {
1915 goto fastcgi_request_done;
1916 }
1917
1918 if (UNEXPECTED(fpm_status_handle_request())) {
1919 goto fastcgi_request_done;
1920 }
1921
1922 /* If path_translated is NULL, terminate here with a 404 */
1923 if (UNEXPECTED(!SG(request_info).path_translated)) {
1924 zend_try {
1925 zlog(ZLOG_DEBUG, "Primary script unknown");
1926 SG(sapi_headers).http_response_code = 404;
1927 PUTS("File not found.\n");
1928 } zend_catch {
1929 } zend_end_try();
1930 goto fastcgi_request_done;
1931 }
1932
1933 if (UNEXPECTED(fpm_php_limit_extensions(SG(request_info).path_translated))) {
1934 SG(sapi_headers).http_response_code = 403;
1935 PUTS("Access denied.\n");
1936 goto fastcgi_request_done;
1937 }
1938
1939 /*
1940 * have to duplicate SG(request_info).path_translated to be able to log errrors
1941 * php_fopen_primary_script seems to delete SG(request_info).path_translated on failure
1942 */
1943 primary_script = estrdup(SG(request_info).path_translated);
1944
1945 /* path_translated exists, we can continue ! */
1946 if (UNEXPECTED(php_fopen_primary_script(&file_handle) == FAILURE)) {
1947 zend_try {
1948 zlog(ZLOG_ERROR, "Unable to open primary script: %s (%s)", primary_script, strerror(errno));
1949 if (errno == EACCES) {
1950 SG(sapi_headers).http_response_code = 403;
1951 PUTS("Access denied.\n");
1952 } else {
1953 SG(sapi_headers).http_response_code = 404;
1954 PUTS("No input file specified.\n");
1955 }
1956 } zend_catch {
1957 } zend_end_try();
1958 /* we want to serve more requests if this is fastcgi
1959 * so cleanup and continue, request shutdown is
1960 * handled later */
1961
1962 goto fastcgi_request_done;
1963 }
1964
1965 fpm_request_executing();
1966
1967 php_execute_script(&file_handle);
1968
1969 fastcgi_request_done:
1970 if (EXPECTED(primary_script)) {
1971 efree(primary_script);
1972 }
1973
1974 if (UNEXPECTED(request_body_fd != -1)) {
1975 close(request_body_fd);
1976 }
1977 request_body_fd = -2;
1978
1979 if (UNEXPECTED(EG(exit_status) == 255)) {
1980 if (CGIG(error_header) && *CGIG(error_header)) {
1981 sapi_header_line ctr = {0};
1982
1983 ctr.line = CGIG(error_header);
1984 ctr.line_len = strlen(CGIG(error_header));
1985 sapi_header_op(SAPI_HEADER_REPLACE, &ctr);
1986 }
1987 }
1988
1989 fpm_request_end();
1990 fpm_log_write(NULL);
1991
1992 efree(SG(request_info).path_translated);
1993 SG(request_info).path_translated = NULL;
1994
1995 php_request_shutdown((void *) 0);
1996
1997 requests++;
1998 if (UNEXPECTED(max_requests && (requests == max_requests))) {
1999 fcgi_request_set_keep(request, 0);
2000 fcgi_finish_request(request, 0);
2001 break;
2002 }
2003 /* end of fastcgi loop */
2004 }
2005 fcgi_destroy_request(request);
2006 fcgi_shutdown();
2007
2008 if (cgi_sapi_module.php_ini_path_override) {
2009 free(cgi_sapi_module.php_ini_path_override);
2010 }
2011 if (cgi_sapi_module.ini_entries) {
2012 free(cgi_sapi_module.ini_entries);
2013 }
2014 } zend_catch {
2015 exit_status = FPM_EXIT_SOFTWARE;
2016 } zend_end_try();
2017
2018 out:
2019
2020 SG(server_context) = NULL;
2021 php_module_shutdown();
2022
2023 if (parent) {
2024 sapi_shutdown();
2025 }
2026
2027 #ifdef ZTS
2028 tsrm_shutdown();
2029 #endif
2030
2031 #if defined(PHP_WIN32) && ZEND_DEBUG && 0
2032 _CrtDumpMemoryLeaks();
2033 #endif
2034
2035 return exit_status;
2036 }
2037 /* }}} */
2038
2039 /*
2040 * Local variables:
2041 * tab-width: 4
2042 * c-basic-offset: 4
2043 * End:
2044 * vim600: sw=4 ts=4 fdm=marker
2045 * vim<600: sw=4 ts=4
2046 */
2047
