1 : /*
2 : +----------------------------------------------------------------------+
3 : | PHP Version 5 |
4 : +----------------------------------------------------------------------+
5 : | Copyright (c) 1997-2009 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 281870 2009-06-09 13:29:39Z dsp $ */
25 :
26 : #include "php.h"
27 : #include "php_globals.h"
28 : #include "php_variables.h"
29 : #include "zend_modules.h"
30 :
31 : #include "SAPI.h"
32 :
33 : #include <stdio.h>
34 : #include "php.h"
35 : #ifdef PHP_WIN32
36 : #include "win32/time.h"
37 : #include "win32/signal.h"
38 : #include <process.h>
39 : #endif
40 : #if HAVE_SYS_TIME_H
41 : #include <sys/time.h>
42 : #endif
43 : #if HAVE_UNISTD_H
44 : #include <unistd.h>
45 : #endif
46 : #if HAVE_SIGNAL_H
47 : #include <signal.h>
48 : #endif
49 : #if HAVE_SETLOCALE
50 : #include <locale.h>
51 : #endif
52 : #if HAVE_SYS_TYPES_H
53 : #include <sys/types.h>
54 : #endif
55 : #if HAVE_SYS_WAIT_H
56 : #include <sys/wait.h>
57 : #endif
58 : #include "zend.h"
59 : #include "zend_extensions.h"
60 : #include "php_ini.h"
61 : #include "php_globals.h"
62 : #include "php_main.h"
63 : #include "fopen_wrappers.h"
64 : #include "ext/standard/php_standard.h"
65 : #ifdef PHP_WIN32
66 : #include <io.h>
67 : #include <fcntl.h>
68 : #include "win32/php_registry.h"
69 : #endif
70 :
71 : #ifdef __riscos__
72 : #include <unixlib/local.h>
73 : int __riscosify_control = __RISCOSIFY_STRICT_UNIX_SPECS;
74 : #endif
75 :
76 : #include "zend_compile.h"
77 : #include "zend_execute.h"
78 : #include "zend_highlight.h"
79 : #include "zend_indent.h"
80 :
81 : #include "php_getopt.h"
82 :
83 : #if PHP_FASTCGI
84 : #include "fastcgi.h"
85 :
86 : #ifndef PHP_WIN32
87 : /* XXX this will need to change later when threaded fastcgi is
88 : implemented. shane */
89 : struct sigaction act, old_term, old_quit, old_int;
90 : #endif
91 :
92 : static void (*php_php_import_environment_variables)(zval *array_ptr TSRMLS_DC);
93 :
94 : #ifndef PHP_WIN32
95 : /* these globals used for forking children on unix systems */
96 : /**
97 : * Number of child processes that will get created to service requests
98 : */
99 : static int children = 0;
100 :
101 : /**
102 : * Set to non-zero if we are the parent process
103 : */
104 : static int parent = 1;
105 :
106 : /* Did parent received exit signals SIG_TERM/SIG_INT/SIG_QUIT */
107 : static int exit_signal = 0;
108 :
109 : /* Is Parent waiting for children to exit */
110 : static int parent_waiting = 0;
111 :
112 : /**
113 : * Process group
114 : */
115 : static pid_t pgroup;
116 : #endif
117 :
118 : #endif
119 :
120 : #define PHP_MODE_STANDARD 1
121 : #define PHP_MODE_HIGHLIGHT 2
122 : #define PHP_MODE_INDENT 3
123 : #define PHP_MODE_LINT 4
124 : #define PHP_MODE_STRIP 5
125 :
126 : static char *php_optarg = NULL;
127 : static int php_optind = 1;
128 : static zend_module_entry cgi_module_entry;
129 :
130 : static const opt_struct OPTIONS[] = {
131 : {'a', 0, "interactive"},
132 : {'b', 1, "bindpath"},
133 : {'C', 0, "no-chdir"},
134 : {'c', 1, "php-ini"},
135 : {'d', 1, "define"},
136 : {'e', 0, "profile-info"},
137 : {'f', 1, "file"},
138 : {'h', 0, "help"},
139 : {'i', 0, "info"},
140 : {'l', 0, "syntax-check"},
141 : {'m', 0, "modules"},
142 : {'n', 0, "no-php-ini"},
143 : {'q', 0, "no-header"},
144 : {'s', 0, "syntax-highlight"},
145 : {'s', 0, "syntax-highlighting"},
146 : {'w', 0, "strip"},
147 : {'?', 0, "usage"},/* help alias (both '?' and 'usage') */
148 : {'v', 0, "version"},
149 : {'z', 1, "zend-extension"},
150 : #if PHP_FASTCGI
151 : {'T', 1, "timing"},
152 : #endif
153 : {'-', 0, NULL} /* end of args */
154 : };
155 :
156 : typedef struct _php_cgi_globals_struct {
157 : zend_bool rfc2616_headers;
158 : zend_bool nph;
159 : zend_bool check_shebang_line;
160 : #if ENABLE_PATHINFO_CHECK
161 : zend_bool fix_pathinfo;
162 : #endif
163 : #if FORCE_CGI_REDIRECT
164 : zend_bool force_redirect;
165 : char *redirect_status_env;
166 : #endif
167 : #if PHP_FASTCGI
168 : zend_bool fcgi_logging;
169 : # ifdef PHP_WIN32
170 : zend_bool impersonate;
171 : # endif
172 : #endif
173 : } php_cgi_globals_struct;
174 :
175 : #ifdef ZTS
176 : static int php_cgi_globals_id;
177 : #define CGIG(v) TSRMG(php_cgi_globals_id, php_cgi_globals_struct *, v)
178 : #else
179 : static php_cgi_globals_struct php_cgi_globals;
180 : #define CGIG(v) (php_cgi_globals.v)
181 : #endif
182 :
183 : #ifdef PHP_WIN32
184 : #define TRANSLATE_SLASHES(path) \
185 : { \
186 : char *tmp = path; \
187 : while (*tmp) { \
188 : if (*tmp == '\\') *tmp = '/'; \
189 : tmp++; \
190 : } \
191 : }
192 : #else
193 : #define TRANSLATE_SLASHES(path)
194 : #endif
195 :
196 : static int print_module_info(zend_module_entry *module, void *arg TSRMLS_DC)
197 0 : {
198 0 : php_printf("%s\n", module->name);
199 0 : return 0;
200 : }
201 :
202 : static int module_name_cmp(const void *a, const void *b TSRMLS_DC)
203 0 : {
204 0 : Bucket *f = *((Bucket **) a);
205 0 : Bucket *s = *((Bucket **) b);
206 :
207 0 : return strcasecmp(((zend_module_entry *)f->pData)->name,
208 : ((zend_module_entry *)s->pData)->name);
209 : }
210 :
211 : static void print_modules(TSRMLS_D)
212 0 : {
213 : HashTable sorted_registry;
214 : zend_module_entry tmp;
215 :
216 0 : zend_hash_init(&sorted_registry, 50, NULL, NULL, 1);
217 0 : zend_hash_copy(&sorted_registry, &module_registry, NULL, &tmp, sizeof(zend_module_entry));
218 0 : zend_hash_sort(&sorted_registry, zend_qsort, module_name_cmp, 0 TSRMLS_CC);
219 0 : zend_hash_apply_with_argument(&sorted_registry, (apply_func_arg_t) print_module_info, NULL TSRMLS_CC);
220 0 : zend_hash_destroy(&sorted_registry);
221 0 : }
222 :
223 : static int print_extension_info(zend_extension *ext, void *arg TSRMLS_DC)
224 0 : {
225 0 : php_printf("%s\n", ext->name);
226 0 : return 0;
227 : }
228 :
229 : static int extension_name_cmp(const zend_llist_element **f,
230 : const zend_llist_element **s TSRMLS_DC)
231 0 : {
232 0 : return strcmp(((zend_extension *)(*f)->data)->name,
233 : ((zend_extension *)(*s)->data)->name);
234 : }
235 :
236 : static void print_extensions(TSRMLS_D)
237 0 : {
238 : zend_llist sorted_exts;
239 :
240 0 : zend_llist_copy(&sorted_exts, &zend_extensions);
241 0 : sorted_exts.dtor = NULL;
242 0 : zend_llist_sort(&sorted_exts, extension_name_cmp TSRMLS_CC);
243 0 : zend_llist_apply_with_argument(&sorted_exts, (llist_apply_with_arg_func_t) print_extension_info, NULL TSRMLS_CC);
244 0 : zend_llist_destroy(&sorted_exts);
245 0 : }
246 :
247 : #ifndef STDOUT_FILENO
248 : #define STDOUT_FILENO 1
249 : #endif
250 :
251 : static inline size_t sapi_cgibin_single_write(const char *str, uint str_length TSRMLS_DC)
252 2698 : {
253 : #ifdef PHP_WRITE_STDOUT
254 : long ret;
255 : #else
256 : size_t ret;
257 : #endif
258 :
259 : #if PHP_FASTCGI
260 : if (fcgi_is_fastcgi()) {
261 : fcgi_request *request = (fcgi_request*) SG(server_context);
262 : long ret = fcgi_write(request, FCGI_STDOUT, str, str_length);
263 : if (ret <= 0) {
264 : return 0;
265 : }
266 : return ret;
267 : }
268 : #endif
269 : #ifdef PHP_WRITE_STDOUT
270 2698 : ret = write(STDOUT_FILENO, str, str_length);
271 2698 : if (ret <= 0) return 0;
272 2698 : return ret;
273 : #else
274 : ret = fwrite(str, 1, MIN(str_length, 16384), stdout);
275 : return ret;
276 : #endif
277 : }
278 :
279 : static int sapi_cgibin_ub_write(const char *str, uint str_length TSRMLS_DC)
280 2700 : {
281 2700 : const char *ptr = str;
282 2700 : uint remaining = str_length;
283 : size_t ret;
284 :
285 8098 : while (remaining > 0) {
286 2698 : ret = sapi_cgibin_single_write(ptr, remaining TSRMLS_CC);
287 2698 : if (!ret) {
288 0 : php_handle_aborted_connection();
289 0 : return str_length - remaining;
290 : }
291 2698 : ptr += ret;
292 2698 : remaining -= ret;
293 : }
294 :
295 2700 : return str_length;
296 : }
297 :
298 :
299 : static void sapi_cgibin_flush(void *server_context)
300 190 : {
301 : #if PHP_FASTCGI
302 : if (fcgi_is_fastcgi()) {
303 : fcgi_request *request = (fcgi_request*) server_context;
304 : if (
305 : #ifndef PHP_WIN32
306 : !parent &&
307 : #endif
308 : request && !fcgi_flush(request, 0)) {
309 : php_handle_aborted_connection();
310 : }
311 : return;
312 : }
313 : #endif
314 190 : if (fflush(stdout) == EOF) {
315 0 : php_handle_aborted_connection();
316 : }
317 190 : }
318 :
319 : #define SAPI_CGI_MAX_HEADER_LENGTH 1024
320 :
321 : typedef struct _http_error {
322 : int code;
323 : const char* msg;
324 : } http_error;
325 :
326 : static const http_error http_error_codes[] = {
327 : {100, "Continue"},
328 : {101, "Switching Protocols"},
329 : {200, "OK"},
330 : {201, "Created"},
331 : {202, "Accepted"},
332 : {203, "Non-Authoritative Information"},
333 : {204, "No Content"},
334 : {205, "Reset Content"},
335 : {206, "Partial Content"},
336 : {300, "Multiple Choices"},
337 : {301, "Moved Permanently"},
338 : {302, "Moved Temporarily"},
339 : {303, "See Other"},
340 : {304, "Not Modified"},
341 : {305, "Use Proxy"},
342 : {400, "Bad Request"},
343 : {401, "Unauthorized"},
344 : {402, "Payment Required"},
345 : {403, "Forbidden"},
346 : {404, "Not Found"},
347 : {405, "Method Not Allowed"},
348 : {406, "Not Acceptable"},
349 : {407, "Proxy Authentication Required"},
350 : {408, "Request Time-out"},
351 : {409, "Conflict"},
352 : {410, "Gone"},
353 : {411, "Length Required"},
354 : {412, "Precondition Failed"},
355 : {413, "Request Entity Too Large"},
356 : {414, "Request-URI Too Large"},
357 : {415, "Unsupported Media Type"},
358 : {500, "Internal Server Error"},
359 : {501, "Not Implemented"},
360 : {502, "Bad Gateway"},
361 : {503, "Service Unavailable"},
362 : {504, "Gateway Time-out"},
363 : {505, "HTTP Version not supported"},
364 : {0, NULL}
365 : };
366 :
367 : static int sapi_cgi_send_headers(sapi_headers_struct *sapi_headers TSRMLS_DC)
368 68 : {
369 : char buf[SAPI_CGI_MAX_HEADER_LENGTH];
370 : sapi_header_struct *h;
371 : zend_llist_position pos;
372 68 : zend_bool ignore_status = 0;
373 68 : int response_status = SG(sapi_headers).http_response_code;
374 :
375 68 : if (SG(request_info).no_headers == 1) {
376 0 : return SAPI_HEADER_SENT_SUCCESSFULLY;
377 : }
378 :
379 68 : if (CGIG(nph) || SG(sapi_headers).http_response_code != 200)
380 : {
381 : int len;
382 5 : zend_bool has_status = 0;
383 :
384 5 : if (CGIG(rfc2616_headers) && SG(sapi_headers).http_status_line) {
385 : char *s;
386 0 : len = slprintf(buf, SAPI_CGI_MAX_HEADER_LENGTH, "%s\r\n", SG(sapi_headers).http_status_line);
387 0 : if ((s = strchr(SG(sapi_headers).http_status_line, ' '))) {
388 0 : response_status = atoi((s + 1));
389 : }
390 :
391 0 : if (len > SAPI_CGI_MAX_HEADER_LENGTH) {
392 0 : len = SAPI_CGI_MAX_HEADER_LENGTH;
393 : }
394 :
395 : } else {
396 : char *s;
397 :
398 8 : if (SG(sapi_headers).http_status_line &&
399 : (s = strchr(SG(sapi_headers).http_status_line, ' ')) != 0 &&
400 : (s - SG(sapi_headers).http_status_line) >= 5 &&
401 : strncasecmp(SG(sapi_headers).http_status_line, "HTTP/", 5) == 0) {
402 3 : len = slprintf(buf, sizeof(buf), "Status:%s\r\n", s);
403 3 : response_status = atoi((s + 1));
404 : } else {
405 2 : h = (sapi_header_struct*)zend_llist_get_first_ex(&sapi_headers->headers, &pos);
406 8 : while (h) {
407 4 : if (h->header_len > sizeof("Status:")-1 &&
408 : strncasecmp(h->header, "Status:", sizeof("Status:")-1) == 0) {
409 0 : has_status = 1;
410 0 : break;
411 : }
412 4 : h = (sapi_header_struct*)zend_llist_get_next_ex(&sapi_headers->headers, &pos);
413 : }
414 2 : if (!has_status) {
415 2 : http_error *err = (http_error*)http_error_codes;
416 :
417 42 : while (err->code != 0) {
418 40 : if (err->code == SG(sapi_headers).http_response_code) {
419 2 : break;
420 : }
421 38 : err++;
422 : }
423 2 : if (err->msg) {
424 2 : len = slprintf(buf, sizeof(buf), "Status: %d %s\r\n", SG(sapi_headers).http_response_code, err->msg);
425 : } else {
426 0 : len = slprintf(buf, sizeof(buf), "Status: %d\r\n", SG(sapi_headers).http_response_code);
427 : }
428 : }
429 : }
430 : }
431 5 : if (!has_status) {
432 5 : PHPWRITE_H(buf, len);
433 5 : ignore_status = 1;
434 : }
435 : }
436 :
437 68 : h = (sapi_header_struct*)zend_llist_get_first_ex(&sapi_headers->headers, &pos);
438 276 : while (h) {
439 : /* prevent CRLFCRLF */
440 140 : if (h->header_len) {
441 142 : if (h->header_len > sizeof("Status:")-1 &&
442 : strncasecmp(h->header, "Status:", sizeof("Status:")-1) == 0) {
443 2 : if (!ignore_status) {
444 1 : ignore_status = 1;
445 1 : PHPWRITE_H(h->header, h->header_len);
446 1 : PHPWRITE_H("\r\n", 2);
447 : }
448 138 : } else if (response_status == 304 && h->header_len > sizeof("Content-Type:")-1 &&
449 : strncasecmp(h->header, "Content-Type:", sizeof("Content-Type:")-1) == 0) {
450 0 : h = (sapi_header_struct*)zend_llist_get_next_ex(&sapi_headers->headers, &pos);
451 0 : continue;
452 : } else {
453 138 : PHPWRITE_H(h->header, h->header_len);
454 138 : PHPWRITE_H("\r\n", 2);
455 : }
456 : }
457 140 : h = (sapi_header_struct*)zend_llist_get_next_ex(&sapi_headers->headers, &pos);
458 : }
459 68 : PHPWRITE_H("\r\n", 2);
460 :
461 68 : return SAPI_HEADER_SENT_SUCCESSFULLY;
462 : }
463 :
464 : #ifndef STDIN_FILENO
465 : # define STDIN_FILENO 0
466 : #endif
467 :
468 : static int sapi_cgi_read_post(char *buffer, uint count_bytes TSRMLS_DC)
469 157 : {
470 157 : int read_bytes=0, tmp_read_bytes;
471 :
472 157 : count_bytes = MIN(count_bytes, (uint) SG(request_info).content_length - SG(read_post_bytes));
473 351 : while (read_bytes < count_bytes) {
474 : #if PHP_FASTCGI
475 : if (fcgi_is_fastcgi()) {
476 : fcgi_request *request = (fcgi_request*) SG(server_context);
477 : tmp_read_bytes = fcgi_read(request, buffer + read_bytes, count_bytes - read_bytes);
478 : } else {
479 : tmp_read_bytes = read(STDIN_FILENO, buffer + read_bytes, count_bytes - read_bytes);
480 : }
481 : #else
482 37 : tmp_read_bytes = read(STDIN_FILENO, buffer + read_bytes, count_bytes - read_bytes);
483 : #endif
484 :
485 37 : if (tmp_read_bytes <= 0) {
486 0 : break;
487 : }
488 37 : read_bytes += tmp_read_bytes;
489 : }
490 157 : return read_bytes;
491 : }
492 :
493 : static char *sapi_cgibin_getenv(char *name, size_t name_len TSRMLS_DC)
494 979 : {
495 : #if PHP_FASTCGI
496 : /* when php is started by mod_fastcgi, no regular environment
497 : is provided to PHP. It is always sent to PHP at the start
498 : of a request. So we have to do our own lookup to get env
499 : vars. This could probably be faster somehow. */
500 : if (fcgi_is_fastcgi()) {
501 : fcgi_request *request = (fcgi_request*) SG(server_context);
502 : return fcgi_getenv(request, name, name_len);
503 : }
504 : #endif
505 : /* if cgi, or fastcgi and not found in fcgi env
506 : check the regular environment */
507 979 : return getenv(name);
508 : }
509 :
510 : static char *_sapi_cgibin_putenv(char *name, char *value TSRMLS_DC)
511 12 : {
512 : int name_len;
513 : #if !HAVE_SETENV || !HAVE_UNSETENV
514 : int len;
515 : char *buf;
516 : #endif
517 :
518 12 : if (!name) {
519 0 : return NULL;
520 : }
521 12 : name_len = strlen(name);
522 :
523 : #if PHP_FASTCGI
524 : /* when php is started by mod_fastcgi, no regular environment
525 : is provided to PHP. It is always sent to PHP at the start
526 : of a request. So we have to do our own lookup to get env
527 : vars. This could probably be faster somehow. */
528 : if (fcgi_is_fastcgi()) {
529 : fcgi_request *request = (fcgi_request*) SG(server_context);
530 : return fcgi_putenv(request, name, name_len, value);
531 : }
532 : #endif
533 : #if HAVE_SETENV
534 12 : if (value) {
535 8 : setenv(name, value, 1);
536 : }
537 : #endif
538 : #if HAVE_UNSETENV
539 12 : if (!value) {
540 4 : unsetenv(name);
541 : }
542 : #endif
543 :
544 : #if !HAVE_SETENV || !HAVE_UNSETENV
545 : /* if cgi, or fastcgi and not found in fcgi env
546 : check the regular environment
547 : this leaks, but it's only cgi anyway, we'll fix
548 : it for 5.0
549 : */
550 : len = name_len + (value ? strlen(value) : 0) + sizeof("=") + 2;
551 : buf = (char *) malloc(len);
552 : if (buf == NULL) {
553 : return getenv(name);
554 : }
555 : #endif
556 : #if !HAVE_SETENV
557 : if (value) {
558 : len = slprintf(buf, len - 1, "%s=%s", name, value);
559 : putenv(buf);
560 : }
561 : #endif
562 : #if !HAVE_UNSETENV
563 : if (!value) {
564 : len = slprintf(buf, len - 1, "%s=", name);
565 : putenv(buf);
566 : }
567 : #endif
568 12 : return getenv(name);
569 : }
570 :
571 : static char *sapi_cgi_read_cookies(TSRMLS_D)
572 98 : {
573 98 : return sapi_cgibin_getenv((char *) "HTTP_COOKIE", sizeof("HTTP_COOKIE")-1 TSRMLS_CC);
574 : }
575 :
576 : #if PHP_FASTCGI
577 : void cgi_php_import_environment_variables(zval *array_ptr TSRMLS_DC)
578 : {
579 : if (PG(http_globals)[TRACK_VARS_ENV] &&
580 : array_ptr != PG(http_globals)[TRACK_VARS_ENV] &&
581 : Z_TYPE_P(PG(http_globals)[TRACK_VARS_ENV]) == IS_ARRAY &&
582 : zend_hash_num_elements(Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_ENV])) > 0) {
583 : zval_dtor(array_ptr);
584 : *array_ptr = *PG(http_globals)[TRACK_VARS_ENV];
585 : INIT_PZVAL(array_ptr);
586 : zval_copy_ctor(array_ptr);
587 : return;
588 : } else if (PG(http_globals)[TRACK_VARS_SERVER] &&
589 : array_ptr != PG(http_globals)[TRACK_VARS_SERVER] &&
590 : Z_TYPE_P(PG(http_globals)[TRACK_VARS_SERVER]) == IS_ARRAY &&
591 : zend_hash_num_elements(Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_SERVER])) > 0) {
592 : zval_dtor(array_ptr);
593 : *array_ptr = *PG(http_globals)[TRACK_VARS_SERVER];
594 : INIT_PZVAL(array_ptr);
595 : zval_copy_ctor(array_ptr);
596 : return;
597 : }
598 :
599 : /* call php's original import as a catch-all */
600 : php_php_import_environment_variables(array_ptr TSRMLS_CC);
601 :
602 : if (fcgi_is_fastcgi()) {
603 : fcgi_request *request = (fcgi_request*) SG(server_context);
604 : HashPosition pos;
605 : int magic_quotes_gpc = PG(magic_quotes_gpc);
606 : char *var, **val;
607 : uint var_len;
608 : ulong idx;
609 : int filter_arg = (array_ptr == PG(http_globals)[TRACK_VARS_ENV])?PARSE_ENV:PARSE_SERVER;
610 :
611 : /* turn off magic_quotes while importing environment variables */
612 : PG(magic_quotes_gpc) = 0;
613 : for (zend_hash_internal_pointer_reset_ex(&request->env, &pos);
614 : zend_hash_get_current_key_ex(&request->env, &var, &var_len, &idx, 0, &pos) == HASH_KEY_IS_STRING &&
615 : zend_hash_get_current_data_ex(&request->env, (void **) &val, &pos) == SUCCESS;
616 : zend_hash_move_forward_ex(&request->env, &pos)) {
617 : unsigned int new_val_len;
618 : if (sapi_module.input_filter(filter_arg, var, val, strlen(*val), &new_val_len TSRMLS_CC)) {
619 : php_register_variable_safe(var, *val, new_val_len, array_ptr TSRMLS_CC);
620 : }
621 : }
622 : PG(magic_quotes_gpc) = magic_quotes_gpc;
623 : }
624 : }
625 : #endif
626 :
627 : static void sapi_cgi_register_variables(zval *track_vars_array TSRMLS_DC)
628 95 : {
629 : unsigned int php_self_len;
630 : char *php_self;
631 :
632 : /* In CGI mode, we consider the environment to be a part of the server
633 : * variables
634 : */
635 95 : php_import_environment_variables(track_vars_array TSRMLS_CC);
636 :
637 : #if ENABLE_PATHINFO_CHECK
638 95 : if (CGIG(fix_pathinfo)) {
639 95 : char *script_name = SG(request_info).request_uri;
640 95 : unsigned int script_name_len = script_name ? strlen(script_name) : 0;
641 95 : char *path_info = sapi_cgibin_getenv("PATH_INFO", sizeof("PATH_INFO")-1 TSRMLS_CC);
642 95 : unsigned int path_info_len = path_info ? strlen(path_info) : 0;
643 :
644 95 : php_self_len = script_name_len + path_info_len;
645 95 : php_self = emalloc(php_self_len + 1);
646 95 : if (script_name) {
647 0 : memcpy(php_self, script_name, script_name_len + 1);
648 : }
649 95 : if (path_info) {
650 0 : memcpy(php_self + script_name_len, path_info, path_info_len + 1);
651 : }
652 :
653 : /* Build the special-case PHP_SELF variable for the CGI version */
654 95 : if (sapi_module.input_filter(PARSE_SERVER, "PHP_SELF", &php_self, php_self_len, &php_self_len TSRMLS_CC)) {
655 0 : php_register_variable_safe("PHP_SELF", php_self, php_self_len, track_vars_array TSRMLS_CC);
656 : }
657 95 : efree(php_self);
658 95 : return;
659 : }
660 : #endif
661 :
662 0 : php_self = SG(request_info).request_uri ? SG(request_info).request_uri : "";
663 0 : php_self_len = strlen(php_self);
664 0 : if (sapi_module.input_filter(PARSE_SERVER, "PHP_SELF", &php_self, php_self_len, &php_self_len TSRMLS_CC)) {
665 0 : php_register_variable_safe("PHP_SELF", php_self, php_self_len, track_vars_array TSRMLS_CC);
666 : }
667 : }
668 :
669 : static void sapi_cgi_log_message(char *message)
670 0 : {
671 : #if PHP_FASTCGI
672 : TSRMLS_FETCH();
673 :
674 : if (fcgi_is_fastcgi() && CGIG(fcgi_logging)) {
675 : fcgi_request *request;
676 :
677 : request = (fcgi_request*) SG(server_context);
678 : if (request) {
679 : int len = strlen(message);
680 : char *buf = malloc(len+2);
681 :
682 : memcpy(buf, message, len);
683 : memcpy(buf + len, "\n", sizeof("\n"));
684 : fcgi_write(request, FCGI_STDERR, buf, len+1);
685 : free(buf);
686 : } else {
687 : fprintf(stderr, "%s\n", message);
688 : }
689 : /* ignore return code */
690 : } else
691 : #endif /* PHP_FASTCGI */
692 0 : fprintf(stderr, "%s\n", message);
693 0 : }
694 :
695 : static int sapi_cgi_deactivate(TSRMLS_D)
696 193 : {
697 : /* flush only when SAPI was started. The reasons are:
698 : 1. SAPI Deactivate is called from two places: module init and request shutdown
699 : 2. When the first call occurs and the request is not set up, flush fails on
700 : FastCGI.
701 : */
702 193 : if (SG(sapi_started)) {
703 95 : sapi_cgibin_flush(SG(server_context));
704 : }
705 193 : return SUCCESS;
706 : }
707 :
708 : static int php_cgi_startup(sapi_module_struct *sapi_module)
709 98 : {
710 98 : if (php_module_startup(sapi_module, &cgi_module_entry, 1) == FAILURE) {
711 0 : return FAILURE;
712 : }
713 98 : return SUCCESS;
714 : }
715 :
716 :
717 : /* {{{ sapi_module_struct cgi_sapi_module
718 : */
719 : static sapi_module_struct cgi_sapi_module = {
720 : #if PHP_FASTCGI
721 : "cgi-fcgi", /* name */
722 : "CGI/FastCGI", /* pretty name */
723 : #else
724 : "cgi", /* name */
725 : "CGI", /* pretty name */
726 : #endif
727 :
728 : php_cgi_startup, /* startup */
729 : php_module_shutdown_wrapper, /* shutdown */
730 :
731 : NULL, /* activate */
732 : sapi_cgi_deactivate, /* deactivate */
733 :
734 : sapi_cgibin_ub_write, /* unbuffered write */
735 : sapi_cgibin_flush, /* flush */
736 : NULL, /* get uid */
737 : sapi_cgibin_getenv, /* getenv */
738 :
739 : php_error, /* error handler */
740 :
741 : NULL, /* header handler */
742 : sapi_cgi_send_headers, /* send headers handler */
743 : NULL, /* send header handler */
744 :
745 : sapi_cgi_read_post, /* read POST data */
746 : sapi_cgi_read_cookies, /* read Cookies */
747 :
748 : sapi_cgi_register_variables, /* register server variables */
749 : sapi_cgi_log_message, /* Log message */
750 : NULL, /* Get request time */
751 :
752 : STANDARD_SAPI_MODULE_PROPERTIES
753 : };
754 : /* }}} */
755 :
756 : /* {{{ php_cgi_usage
757 : */
758 : static void php_cgi_usage(char *argv0)
759 0 : {
760 : char *prog;
761 :
762 0 : prog = strrchr(argv0, '/');
763 0 : if (prog) {
764 0 : prog++;
765 : } else {
766 0 : prog = "php";
767 : }
768 :
769 0 : php_printf("Usage: %s [-q] [-h] [-s] [-v] [-i] [-f <file>]\n"
770 : " %s <file> [args...]\n"
771 : " -a Run interactively\n"
772 : #if PHP_FASTCGI
773 : " -b <address:port>|<port> Bind Path for external FASTCGI Server mode\n"
774 : #endif
775 : " -C Do not chdir to the script's directory\n"
776 : " -c <path>|<file> Look for php.ini file in this directory\n"
777 : " -n No php.ini file will be used\n"
778 : " -d foo[=bar] Define INI entry foo with value 'bar'\n"
779 : " -e Generate extended information for debugger/profiler\n"
780 : " -f <file> Parse <file>. Implies `-q'\n"
781 : " -h This help\n"
782 : " -i PHP information\n"
783 : " -l Syntax check only (lint)\n"
784 : " -m Show compiled in modules\n"
785 : " -q Quiet-mode. Suppress HTTP Header output.\n"
786 : " -s Display colour syntax highlighted source.\n"
787 : " -v Version number\n"
788 : " -w Display source with stripped comments and whitespace.\n"
789 : " -z <file> Load Zend extension <file>.\n"
790 : #if PHP_FASTCGI
791 : " -T <count> Measure execution time of script repeated <count> times.\n"
792 : #endif
793 : ,
794 : prog, prog);
795 0 : }
796 : /* }}} */
797 :
798 : /* {{{ is_valid_path
799 : *
800 : * some server configurations allow '..' to slip through in the
801 : * translated path. We'll just refuse to handle such a path.
802 : */
803 : static int is_valid_path(const char *path)
804 59 : {
805 : const char *p;
806 :
807 59 : if (!path) {
808 0 : return 0;
809 : }
810 59 : p = strstr(path, "..");
811 59 : if (p) {
812 0 : if ((p == path || IS_SLASH(*(p-1))) &&
813 : (*(p+2) == 0 || IS_SLASH(*(p+2)))) {
814 0 : return 0;
815 : }
816 : while (1) {
817 0 : p = strstr(p+1, "..");
818 0 : if (!p) {
819 0 : break;
820 : }
821 0 : if (IS_SLASH(*(p-1)) &&
822 : (*(p+2) == 0 || IS_SLASH(*(p+2)))) {
823 0 : return 0;
824 : }
825 0 : }
826 : }
827 59 : return 1;
828 : }
829 : /* }}} */
830 :
831 : /* {{{ init_request_info
832 :
833 : initializes request_info structure
834 :
835 : specificly in this section we handle proper translations
836 : for:
837 :
838 : PATH_INFO
839 : derived from the portion of the URI path following
840 : the script name but preceding any query data
841 : may be empty
842 :
843 : PATH_TRANSLATED
844 : derived by taking any path-info component of the
845 : request URI and performing any virtual-to-physical
846 : translation appropriate to map it onto the server's
847 : document repository structure
848 :
849 : empty if PATH_INFO is empty
850 :
851 : The env var PATH_TRANSLATED **IS DIFFERENT** than the
852 : request_info.path_translated variable, the latter should
853 : match SCRIPT_FILENAME instead.
854 :
855 : SCRIPT_NAME
856 : set to a URL path that could identify the CGI script
857 : rather than the interpreter. PHP_SELF is set to this.
858 :
859 : REQUEST_URI
860 : uri section following the domain:port part of a URI
861 :
862 : SCRIPT_FILENAME
863 : The virtual-to-physical translation of SCRIPT_NAME (as per
864 : PATH_TRANSLATED)
865 :
866 : These settings are documented at
867 : http://cgi-spec.golux.com/
868 :
869 :
870 : Based on the following URL request:
871 :
872 : http://localhost/info.php/test?a=b
873 :
874 : should produce, which btw is the same as if
875 : we were running under mod_cgi on apache (ie. not
876 : using ScriptAlias directives):
877 :
878 : PATH_INFO=/test
879 : PATH_TRANSLATED=/docroot/test
880 : SCRIPT_NAME=/info.php
881 : REQUEST_URI=/info.php/test?a=b
882 : SCRIPT_FILENAME=/docroot/info.php
883 : QUERY_STRING=a=b
884 :
885 : but what we get is (cgi/mod_fastcgi under apache):
886 :
887 : PATH_INFO=/info.php/test
888 : PATH_TRANSLATED=/docroot/info.php/test
889 : SCRIPT_NAME=/php/php-cgi (from the Action setting I suppose)
890 : REQUEST_URI=/info.php/test?a=b
891 : SCRIPT_FILENAME=/path/to/php/bin/php-cgi (Action setting translated)
892 : QUERY_STRING=a=b
893 :
894 : Comments in the code below refer to using the above URL in a request
895 :
896 : */
897 : static void init_request_info(TSRMLS_D)
898 98 : {
899 98 : char *env_script_filename = sapi_cgibin_getenv("SCRIPT_FILENAME", sizeof("SCRIPT_FILENAME")-1 TSRMLS_CC);
900 98 : char *env_path_translated = sapi_cgibin_getenv("PATH_TRANSLATED", sizeof("PATH_TRANSLATED")-1 TSRMLS_CC);
901 98 : char *script_path_translated = env_script_filename;
902 :
903 : #if !DISCARD_PATH
904 : /* some broken servers do not have script_filename or argv0
905 : an example, IIS configured in some ways. then they do more
906 : broken stuff and set path_translated to the cgi script location */
907 98 : if (!script_path_translated && env_path_translated) {
908 0 : script_path_translated = env_path_translated;
909 : }
910 : #endif
911 :
912 : /* initialize the defaults */
913 98 : SG(request_info).path_translated = NULL;
914 98 : SG(request_info).request_method = NULL;
915 98 : SG(request_info).proto_num = 1000;
916 98 : SG(request_info).query_string = NULL;
917 98 : SG(request_info).request_uri = NULL;
918 98 : SG(request_info).content_type = NULL;
919 98 : SG(request_info).content_length = 0;
920 98 : SG(sapi_headers).http_response_code = 200;
921 :
922 : /* script_path_translated being set is a good indication that
923 : we are running in a cgi environment, since it is always
924 : null otherwise. otherwise, the filename
925 : of the script will be retreived later via argc/argv */
926 98 : if (script_path_translated) {
927 : const char *auth;
928 59 : char *content_length = sapi_cgibin_getenv("CONTENT_LENGTH", sizeof("CONTENT_LENGTH")-1 TSRMLS_CC);
929 59 : char *content_type = sapi_cgibin_getenv("CONTENT_TYPE", sizeof("CONTENT_TYPE")-1 TSRMLS_CC);
930 59 : char *env_path_info = sapi_cgibin_getenv("PATH_INFO", sizeof("PATH_INFO")-1 TSRMLS_CC);
931 59 : char *env_script_name = sapi_cgibin_getenv("SCRIPT_NAME", sizeof("SCRIPT_NAME")-1 TSRMLS_CC);
932 : #if ENABLE_PATHINFO_CHECK
933 : struct stat st;
934 59 : char *env_redirect_url = sapi_cgibin_getenv("REDIRECT_URL", sizeof("REDIRECT_URL")-1 TSRMLS_CC);
935 59 : char *env_document_root = sapi_cgibin_getenv("DOCUMENT_ROOT", sizeof("DOCUMENT_ROOT")-1 TSRMLS_CC);
936 : int script_path_translated_len;
937 :
938 : /* Hack for buggy IIS that sets incorrect PATH_INFO */
939 59 : char *env_server_software = sapi_cgibin_getenv("SERVER_SOFTWARE", sizeof("SERVER_SOFTWARE")-1 TSRMLS_CC);
940 59 : if (env_server_software &&
941 : env_script_name &&
942 : env_path_info &&
943 : strncmp(env_server_software, "Microsoft-IIS", sizeof("Microsoft-IIS")-1) == 0 &&
944 : strncmp(env_path_info, env_script_name, strlen(env_script_name)) == 0) {
945 0 : env_path_info = _sapi_cgibin_putenv("ORIG_PATH_INFO", env_path_info TSRMLS_CC);
946 0 : env_path_info += strlen(env_script_name);
947 0 : if (*env_path_info == 0) {
948 0 : env_path_info = NULL;
949 : }
950 0 : env_path_info = _sapi_cgibin_putenv("PATH_INFO", env_path_info TSRMLS_CC);
951 : }
952 :
953 59 : if (CGIG(fix_pathinfo)) {
954 59 : char *real_path = NULL;
955 59 : char *orig_path_translated = env_path_translated;
956 59 : char *orig_path_info = env_path_info;
957 59 : char *orig_script_name = env_script_name;
958 59 : char *orig_script_filename = env_script_filename;
959 :
960 59 : if (!env_document_root && PG(doc_root)) {
961 0 : env_document_root = _sapi_cgibin_putenv("DOCUMENT_ROOT", PG(doc_root) TSRMLS_CC);
962 : /* fix docroot */
963 : TRANSLATE_SLASHES(env_document_root);
964 : }
965 :
966 59 : if (env_path_translated != NULL && env_redirect_url != NULL &&
967 : env_path_translated != script_path_translated &&
968 : strcmp(env_path_translated, script_path_translated) != 0) {
969 : /*
970 : pretty much apache specific. If we have a redirect_url
971 : then our script_filename and script_name point to the
972 : php executable
973 : */
974 0 : script_path_translated = env_path_translated;
975 : /* we correct SCRIPT_NAME now in case we don't have PATH_INFO */
976 0 : env_script_name = env_redirect_url;
977 : }
978 :
979 : #ifdef __riscos__
980 : /* Convert path to unix format*/
981 : __riscosify_control |= __RISCOSIFY_DONT_CHECK_DIR;
982 : script_path_translated = __unixify(script_path_translated, 0, NULL, 1, 0);
983 : #endif
984 :
985 : /*
986 : * if the file doesn't exist, try to extract PATH_INFO out
987 : * of it by stat'ing back through the '/'
988 : * this fixes url's like /info.php/test
989 : */
990 63 : if (script_path_translated &&
991 : (script_path_translated_len = strlen(script_path_translated)) > 0 &&
992 : (script_path_translated[script_path_translated_len-1] == '/' ||
993 : #ifdef PHP_WIN32
994 : script_path_translated[script_path_translated_len-1] == '\\' ||
995 : #endif
996 : (real_path = tsrm_realpath(script_path_translated, NULL TSRMLS_CC)) == NULL)) {
997 4 : char *pt = estrndup(script_path_translated, script_path_translated_len);
998 4 : int len = script_path_translated_len;
999 : char *ptr;
1000 :
1001 8 : while ((ptr = strrchr(pt, '/')) || (ptr = strrchr(pt, '\\'))) {
1002 4 : *ptr = 0;
1003 4 : if (stat(pt, &st) == 0 && S_ISREG(st.st_mode)) {
1004 : /*
1005 : * okay, we found the base script!
1006 : * work out how many chars we had to strip off;
1007 : * then we can modify PATH_INFO
1008 : * accordingly
1009 : *
1010 : * we now have the makings of
1011 : * PATH_INFO=/test
1012 : * SCRIPT_FILENAME=/docroot/info.php
1013 : *
1014 : * we now need to figure out what docroot is.
1015 : * if DOCUMENT_ROOT is set, this is easy, otherwise,
1016 : * we have to play the game of hide and seek to figure
1017 : * out what SCRIPT_NAME should be
1018 : */
1019 4 : int slen = len - strlen(pt);
1020 4 : int pilen = env_path_info ? strlen(env_path_info) : 0;
1021 4 : char *path_info = env_path_info ? env_path_info + pilen - slen : NULL;
1022 :
1023 4 : if (orig_path_info != path_info) {
1024 0 : if (orig_path_info) {
1025 : char old;
1026 :
1027 0 : _sapi_cgibin_putenv("ORIG_PATH_INFO", orig_path_info TSRMLS_CC);
1028 0 : old = path_info[0];
1029 0 : path_info[0] = 0;
1030 0 : if (!orig_script_name ||
1031 : strcmp(orig_script_name, env_path_info) != 0) {
1032 0 : if (orig_script_name) {
1033 0 : _sapi_cgibin_putenv("ORIG_SCRIPT_NAME", orig_script_name TSRMLS_CC);
1034 : }
1035 0 : SG(request_info).request_uri = _sapi_cgibin_putenv("SCRIPT_NAME", env_path_info TSRMLS_CC);
1036 : } else {
1037 0 : SG(request_info).request_uri = orig_script_name;
1038 : }
1039 0 : path_info[0] = old;
1040 : }
1041 0 : env_path_info = _sapi_cgibin_putenv("PATH_INFO", path_info TSRMLS_CC);
1042 : }
1043 4 : if (!orig_script_filename ||
1044 : strcmp(orig_script_filename, pt) != 0) {
1045 4 : if (orig_script_filename) {
1046 4 : _sapi_cgibin_putenv("ORIG_SCRIPT_FILENAME", orig_script_filename TSRMLS_CC);
1047 : }
1048 4 : script_path_translated = _sapi_cgibin_putenv("SCRIPT_FILENAME", pt TSRMLS_CC);
1049 : }
1050 : TRANSLATE_SLASHES(pt);
1051 :
1052 : /* figure out docroot
1053 : SCRIPT_FILENAME minus SCRIPT_NAME
1054 : */
1055 :
1056 4 : if (env_document_root) {
1057 0 : int l = strlen(env_document_root);
1058 0 : int path_translated_len = 0;
1059 0 : char *path_translated = NULL;
1060 :
1061 0 : if (l && env_document_root[l - 1] == '/') {
1062 0 : --l;
1063 : }
1064 :
1065 : /* we have docroot, so we should have:
1066 : * DOCUMENT_ROOT=/docroot
1067 : * SCRIPT_FILENAME=/docroot/info.php
1068 : */
1069 :
1070 : /* PATH_TRANSLATED = DOCUMENT_ROOT + PATH_INFO */
1071 0 : path_translated_len = l + (env_path_info ? strlen(env_path_info) : 0);
1072 0 : path_translated = (char *) emalloc(path_translated_len + 1);
1073 0 : memcpy(path_translated, env_document_root, l);
1074 0 : if (env_path_info) {
1075 0 : memcpy(path_translated + l, env_path_info, (path_translated_len - l));
1076 : }
1077 0 : path_translated[path_translated_len] = '\0';
1078 0 : if (orig_path_translated) {
1079 0 : _sapi_cgibin_putenv("ORIG_PATH_TRANSLATED", orig_path_translated TSRMLS_CC);
1080 : }
1081 0 : env_path_translated = _sapi_cgibin_putenv("PATH_TRANSLATED", path_translated TSRMLS_CC);
1082 0 : efree(path_translated);
1083 4 : } else if (env_script_name &&
1084 : strstr(pt, env_script_name)
1085 : ) {
1086 : /* PATH_TRANSLATED = PATH_TRANSLATED - SCRIPT_NAME + PATH_INFO */
1087 0 : int ptlen = strlen(pt) - strlen(env_script_name);
1088 0 : int path_translated_len = ptlen + (env_path_info ? strlen(env_path_info) : 0);
1089 0 : char *path_translated = NULL;
1090 :
1091 0 : path_translated = (char *) emalloc(path_translated_len + 1);
1092 0 : memcpy(path_translated, pt, ptlen);
1093 0 : if (env_path_info) {
1094 0 : memcpy(path_translated + ptlen, env_path_info, path_translated_len - ptlen);
1095 : }
1096 0 : path_translated[path_translated_len] = '\0';
1097 0 : if (orig_path_translated) {
1098 0 : _sapi_cgibin_putenv("ORIG_PATH_TRANSLATED", orig_path_translated TSRMLS_CC);
1099 : }
1100 0 : env_path_translated = _sapi_cgibin_putenv("PATH_TRANSLATED", path_translated TSRMLS_CC);
1101 0 : efree(path_translated);
1102 : }
1103 4 : break;
1104 : }
1105 : }
1106 4 : if (!ptr) {
1107 : /*
1108 : * if we stripped out all the '/' and still didn't find
1109 : * a valid path... we will fail, badly. of course we would
1110 : * have failed anyway... we output 'no input file' now.
1111 : */
1112 0 : if (orig_script_filename) {
1113 0 : _sapi_cgibin_putenv("ORIG_SCRIPT_FILENAME", orig_script_filename TSRMLS_CC);
1114 : }
1115 0 : script_path_translated = _sapi_cgibin_putenv("SCRIPT_FILENAME", NULL TSRMLS_CC);
1116 0 : SG(sapi_headers).http_response_code = 404;
1117 : }
1118 4 : if (!SG(request_info).request_uri) {
1119 8 : if (!orig_script_name ||
1120 : strcmp(orig_script_name, env_script_name) != 0) {
1121 4 : if (orig_script_name) {
1122 0 : _sapi_cgibin_putenv("ORIG_SCRIPT_NAME", orig_script_name TSRMLS_CC);
1123 : }
1124 4 : SG(request_info).request_uri = _sapi_cgibin_putenv("SCRIPT_NAME", env_script_name TSRMLS_CC);
1125 : } else {
1126 0 : SG(request_info).request_uri = orig_script_name;
1127 : }
1128 : }
1129 4 : if (pt) {
1130 4 : efree(pt);
1131 : }
1132 4 : if (is_valid_path(script_path_translated)) {
1133 4 : SG(request_info).path_translated = estrdup(script_path_translated);
1134 : }
1135 : } else {
1136 : /* make sure path_info/translated are empty */
1137 55 : if (!orig_script_filename ||
1138 : (script_path_translated != orig_script_filename &&
1139 : strcmp(script_path_translated, orig_script_filename) != 0)) {
1140 0 : if (orig_script_filename) {
1141 0 : _sapi_cgibin_putenv("ORIG_SCRIPT_FILENAME", orig_script_filename TSRMLS_CC);
1142 : }
1143 0 : script_path_translated = _sapi_cgibin_putenv("SCRIPT_FILENAME", script_path_translated TSRMLS_CC);
1144 : }
1145 55 : if (env_redirect_url) {
1146 0 : if (orig_path_info) {
1147 0 : _sapi_cgibin_putenv("ORIG_PATH_INFO", orig_path_info TSRMLS_CC);
1148 0 : _sapi_cgibin_putenv("PATH_INFO", NULL TSRMLS_CC);
1149 : }
1150 0 : if (orig_path_translated) {
1151 0 : _sapi_cgibin_putenv("ORIG_PATH_TRANSLATED", orig_path_translated TSRMLS_CC);
1152 0 : _sapi_cgibin_putenv("PATH_TRANSLATED", NULL TSRMLS_CC);
1153 : }
1154 : }
1155 55 : if (env_script_name != orig_script_name) {
1156 0 : if (orig_script_name) {
1157 0 : _sapi_cgibin_putenv("ORIG_SCRIPT_NAME", orig_script_name TSRMLS_CC);
1158 : }
1159 0 : SG(request_info).request_uri = _sapi_cgibin_putenv("SCRIPT_NAME", env_script_name TSRMLS_CC);
1160 : } else {
1161 55 : SG(request_info).request_uri = env_script_name;
1162 : }
1163 55 : if (is_valid_path(script_path_translated)) {
1164 55 : SG(request_info).path_translated = estrdup(script_path_translated);
1165 : }
1166 55 : free(real_path);
1167 : }
1168 : } else {
1169 : #endif
1170 : /* pre 4.3 behaviour, shouldn't be used but provides BC */
1171 0 : if (env_path_info) {
1172 0 : SG(request_info).request_uri = env_path_info;
1173 : } else {
1174 0 : SG(request_info).request_uri = env_script_name;
1175 : }
1176 : #if !DISCARD_PATH
1177 0 : if (env_path_translated) {
1178 0 : script_path_translated = env_path_translated;
1179 : }
1180 : #endif
1181 0 : if (is_valid_path(script_path_translated)) {
1182 0 : SG(request_info).path_translated = estrdup(script_path_translated);
1183 : }
1184 : #if ENABLE_PATHINFO_CHECK
1185 : }
1186 : #endif
1187 59 : SG(request_info).request_method = sapi_cgibin_getenv("REQUEST_METHOD", sizeof("REQUEST_METHOD")-1 TSRMLS_CC);
1188 : /* FIXME - Work out proto_num here */
1189 59 : SG(request_info).query_string = sapi_cgibin_getenv("QUERY_STRING", sizeof("QUERY_STRING")-1 TSRMLS_CC);
1190 59 : SG(request_info).content_type = (content_type ? content_type : "" );
1191 59 : SG(request_info).content_length = (content_length ? atoi(content_length) : 0);
1192 :
1193 : /* The CGI RFC allows servers to pass on unvalidated Authorization data */
1194 59 : auth = sapi_cgibin_getenv("HTTP_AUTHORIZATION", sizeof("HTTP_AUTHORIZATION")-1 TSRMLS_CC);
1195 59 : php_handle_auth_data(auth TSRMLS_CC);
1196 : }
1197 98 : }
1198 : /* }}} */
1199 :
1200 : #if PHP_FASTCGI && !defined(PHP_WIN32)
1201 : /**
1202 : * Clean up child processes upon exit
1203 : */
1204 : void fastcgi_cleanup(int signal)
1205 : {
1206 : #ifdef DEBUG_FASTCGI
1207 : fprintf(stderr, "FastCGI shutdown, pid %d\n", getpid());
1208 : #endif
1209 :
1210 : sigaction(SIGTERM, &old_term, 0);
1211 :
1212 : /* Kill all the processes in our process group */
1213 : kill(-pgroup, SIGTERM);
1214 :
1215 : if (parent && parent_waiting) {
1216 : exit_signal = 1;
1217 : } else {
1218 : exit(0);
1219 : }
1220 : }
1221 : #endif
1222 :
1223 : PHP_INI_BEGIN()
1224 : STD_PHP_INI_ENTRY("cgi.rfc2616_headers", "0", PHP_INI_ALL, OnUpdateBool, rfc2616_headers, php_cgi_globals_struct, php_cgi_globals)
1225 : STD_PHP_INI_ENTRY("cgi.nph", "0", PHP_INI_ALL, OnUpdateBool, nph, php_cgi_globals_struct, php_cgi_globals)
1226 : STD_PHP_INI_ENTRY("cgi.check_shebang_line", "1", PHP_INI_SYSTEM, OnUpdateBool, check_shebang_line, php_cgi_globals_struct, php_cgi_globals)
1227 : #if FORCE_CGI_REDIRECT
1228 : STD_PHP_INI_ENTRY("cgi.force_redirect", "1", PHP_INI_SYSTEM, OnUpdateBool, force_redirect, php_cgi_globals_struct, php_cgi_globals)
1229 : STD_PHP_INI_ENTRY("cgi.redirect_status_env", NULL, PHP_INI_SYSTEM, OnUpdateString, redirect_status_env, php_cgi_globals_struct, php_cgi_globals)
1230 : #endif
1231 : #if ENABLE_PATHINFO_CHECK
1232 : STD_PHP_INI_ENTRY("cgi.fix_pathinfo", "1", PHP_INI_SYSTEM, OnUpdateBool, fix_pathinfo, php_cgi_globals_struct, php_cgi_globals)
1233 : #endif
1234 : #if PHP_FASTCGI
1235 : STD_PHP_INI_ENTRY("fastcgi.logging", "1", PHP_INI_SYSTEM, OnUpdateBool, fcgi_logging, php_cgi_globals_struct, php_cgi_globals)
1236 : # ifdef PHP_WIN32
1237 : STD_PHP_INI_ENTRY("fastcgi.impersonate", "0", PHP_INI_SYSTEM, OnUpdateBool, impersonate, php_cgi_globals_struct, php_cgi_globals)
1238 : # endif
1239 : #endif
1240 : PHP_INI_END()
1241 :
1242 : /* {{{ php_cgi_globals_ctor
1243 : */
1244 : static void php_cgi_globals_ctor(php_cgi_globals_struct *php_cgi_globals TSRMLS_DC)
1245 98 : {
1246 98 : php_cgi_globals->rfc2616_headers = 0;
1247 98 : php_cgi_globals->nph = 0;
1248 98 : php_cgi_globals->check_shebang_line = 1;
1249 : #if FORCE_CGI_REDIRECT
1250 : php_cgi_globals->force_redirect = 1;
1251 : php_cgi_globals->redirect_status_env = NULL;
1252 : #endif
1253 : #if ENABLE_PATHINFO_CHECK
1254 98 : php_cgi_globals->fix_pathinfo = 1;
1255 : #endif
1256 : #if PHP_FASTCGI
1257 : php_cgi_globals->fcgi_logging = 1;
1258 : # ifdef PHP_WIN32
1259 : php_cgi_globals->impersonate = 0;
1260 : # endif
1261 : #endif
1262 98 : }
1263 : /* }}} */
1264 :
1265 : /* {{{ PHP_MINIT_FUNCTION
1266 : */
1267 : static PHP_MINIT_FUNCTION(cgi)
1268 98 : {
1269 : #ifdef ZTS
1270 : ts_allocate_id(&php_cgi_globals_id, sizeof(php_cgi_globals_struct), (ts_allocate_ctor) php_cgi_globals_ctor, NULL);
1271 : #else
1272 98 : php_cgi_globals_ctor(&php_cgi_globals TSRMLS_CC);
1273 : #endif
1274 98 : REGISTER_INI_ENTRIES();
1275 98 : return SUCCESS;
1276 : }
1277 : /* }}} */
1278 :
1279 : /* {{{ PHP_MSHUTDOWN_FUNCTION
1280 : */
1281 : static PHP_MSHUTDOWN_FUNCTION(cgi)
1282 95 : {
1283 95 : UNREGISTER_INI_ENTRIES();
1284 95 : return SUCCESS;
1285 : }
1286 : /* }}} */
1287 :
1288 : /* {{{ PHP_MINFO_FUNCTION
1289 : */
1290 : static PHP_MINFO_FUNCTION(cgi)
1291 1 : {
1292 1 : DISPLAY_INI_ENTRIES();
1293 1 : }
1294 : /* }}} */
1295 :
1296 : static zend_module_entry cgi_module_entry = {
1297 : STANDARD_MODULE_HEADER,
1298 : #if PHP_FASTCGI
1299 : "cgi-fcgi",
1300 : #else
1301 : "cgi",
1302 : #endif
1303 : NULL,
1304 : PHP_MINIT(cgi),
1305 : PHP_MSHUTDOWN(cgi),
1306 : NULL,
1307 : NULL,
1308 : PHP_MINFO(cgi),
1309 : NO_VERSION_YET,
1310 : STANDARD_MODULE_PROPERTIES
1311 : };
1312 :
1313 : /* {{{ main
1314 : */
1315 : int main(int argc, char *argv[])
1316 98 : {
1317 98 : int free_query_string = 0;
1318 98 : int exit_status = SUCCESS;
1319 98 : int cgi = 0, c, i, len;
1320 : zend_file_handle file_handle;
1321 98 : int retval = FAILURE;
1322 : char *s;
1323 : /* temporary locals */
1324 98 : int behavior = PHP_MODE_STANDARD;
1325 98 : int no_headers = 0;
1326 98 : int orig_optind = php_optind;
1327 98 : char *orig_optarg = php_optarg;
1328 98 : char *script_file = NULL;
1329 98 : int ini_entries_len = 0;
1330 :
1331 : /* end of temporary locals */
1332 : #ifdef ZTS
1333 : void ***tsrm_ls;
1334 : #endif
1335 :
1336 : #if PHP_FASTCGI
1337 : int max_requests = 500;
1338 : int requests = 0;
1339 : int fastcgi = fcgi_is_fastcgi();
1340 : char *bindpath = NULL;
1341 : int fcgi_fd = 0;
1342 : fcgi_request request;
1343 : int repeats = 1;
1344 : int benchmark = 0;
1345 : #if HAVE_GETTIMEOFDAY
1346 : struct timeval start, end;
1347 : #else
1348 : time_t start, end;
1349 : #endif
1350 : #ifndef PHP_WIN32
1351 : int status = 0;
1352 : #endif
1353 : #endif /* PHP_FASTCGI */
1354 :
1355 : #if 0 && defined(PHP_DEBUG)
1356 : /* IIS is always making things more difficult. This allows
1357 : us to stop PHP and attach a debugger before much gets started */
1358 : {
1359 : char szMessage [256];
1360 : wsprintf (szMessage, "Please attach a debugger to the process 0x%X [%d] (%s) and click OK",
1361 : GetCurrentProcessId(), GetCurrentProcessId(), argv[0]);
1362 : MessageBox(NULL, szMessage, "CGI Debug Time!", MB_OK|MB_SERVICE_NOTIFICATION);
1363 : }
1364 : #endif
1365 :
1366 : #ifdef HAVE_SIGNAL_H
1367 : #if defined(SIGPIPE) && defined(SIG_IGN)
1368 98 : signal(SIGPIPE, SIG_IGN); /* ignore SIGPIPE in standalone mode so
1369 : that sockets created via fsockopen()
1370 : don't kill PHP if the remote site
1371 : closes it. in apache|apxs mode apache
1372 : does that for us! thies@thieso.net
1373 : 20000419 */
1374 : #endif
1375 : #endif
1376 :
1377 : #ifdef ZTS
1378 : tsrm_startup(1, 1, 0, NULL);
1379 : tsrm_ls = ts_resource(0);
1380 : #endif
1381 :
1382 98 : sapi_startup(&cgi_sapi_module);
1383 98 : cgi_sapi_module.php_ini_path_override = NULL;
1384 :
1385 : #ifdef PHP_WIN32
1386 : _fmode = _O_BINARY; /* sets default for file streams to binary */
1387 : setmode(_fileno(stdin), O_BINARY); /* make the stdio mode be binary */
1388 : setmode(_fileno(stdout), O_BINARY); /* make the stdio mode be binary */
1389 : setmode(_fileno(stderr), O_BINARY); /* make the stdio mode be binary */
1390 : #endif
1391 :
1392 : #if PHP_FASTCGI
1393 : if (!fastcgi) {
1394 : #endif
1395 : /* Make sure we detect we are a cgi - a bit redundancy here,
1396 : but the default case is that we have to check only the first one. */
1397 98 : if (getenv("SERVER_SOFTWARE") ||
1398 : getenv("SERVER_NAME") ||
1399 : getenv("GATEWAY_INTERFACE") ||
1400 : getenv("REQUEST_METHOD")
1401 : ) {
1402 55 : cgi = 1;
1403 : }
1404 : #if PHP_FASTCGI
1405 : }
1406 : #endif
1407 :
1408 2698 : while ((c = php_getopt(argc, argv, OPTIONS, &php_optarg, &php_optind, 0)) != -1) {
1409 2502 : switch (c) {
1410 : case 'c':
1411 0 : if (cgi_sapi_module.php_ini_path_override) {
1412 0 : free(cgi_sapi_module.php_ini_path_override);
1413 : }
1414 0 : cgi_sapi_module.php_ini_path_override = strdup(php_optarg);
1415 0 : break;
1416 : case 'n':
1417 23 : cgi_sapi_module.php_ini_ignore = 1;
1418 23 : break;
1419 : case 'd': {
1420 : /* define ini entries on command line */
1421 2309 : int len = strlen(php_optarg);
1422 : char *val;
1423 :
1424 2309 : if ((val = strchr(php_optarg, '='))) {
1425 2309 : val++;
1426 2385 : if (!isalnum(*val) && *val != '"' && *val != '\'' && *val != '\0') {
1427 76 : cgi_sapi_module.ini_entries = realloc(cgi_sapi_module.ini_entries, ini_entries_len + len + sizeof("\"\"\n\0"));
1428 76 : memcpy(cgi_sapi_module.ini_entries + ini_entries_len, php_optarg, (val - php_optarg));
1429 76 : ini_entries_len += (val - php_optarg);
1430 76 : memcpy(cgi_sapi_module.ini_entries + ini_entries_len, "\"", 1);
1431 76 : ini_entries_len++;
1432 76 : memcpy(cgi_sapi_module.ini_entries + ini_entries_len, val, len - (val - php_optarg));
1433 76 : ini_entries_len += len - (val - php_optarg);
1434 76 : memcpy(cgi_sapi_module.ini_entries + ini_entries_len, "\"\n\0", sizeof("\"\n\0"));
1435 76 : ini_entries_len += sizeof("\n\0\"") - 2;
1436 : } else {
1437 2233 : cgi_sapi_module.ini_entries = realloc(cgi_sapi_module.ini_entries, ini_entries_len + len + sizeof("\n\0"));
1438 2233 : memcpy(cgi_sapi_module.ini_entries + ini_entries_len, php_optarg, len);
1439 2233 : memcpy(cgi_sapi_module.ini_entries + ini_entries_len + len, "\n\0", sizeof("\n\0"));
1440 2233 : ini_entries_len += len + sizeof("\n\0") - 2;
1441 : }
1442 : } else {
1443 0 : cgi_sapi_module.ini_entries = realloc(cgi_sapi_module.ini_entries, ini_entries_len + len + sizeof("=1\n\0"));
1444 0 : memcpy(cgi_sapi_module.ini_entries + ini_entries_len, php_optarg, len);
1445 0 : memcpy(cgi_sapi_module.ini_entries + ini_entries_len + len, "=1\n\0", sizeof("=1\n\0"));
1446 0 : ini_entries_len += len + sizeof("=1\n\0") - 2;
1447 : }
1448 2309 : break;
1449 : }
1450 : #if PHP_FASTCGI
1451 : /* if we're started on command line, check to see if
1452 : we are being started as an 'external' fastcgi
1453 : server by accepting a bindpath parameter. */
1454 : case 'b':
1455 : if (!fastcgi) {
1456 : bindpath = strdup(php_optarg);
1457 : }
1458 : break;
1459 : #endif
1460 : case 's': /* generate highlighted HTML from source */
1461 3 : behavior = PHP_MODE_HIGHLIGHT;
1462 : break;
1463 :
1464 : }
1465 :
1466 : }
1467 98 : php_optind = orig_optind;
1468 98 : php_optarg = orig_optarg;
1469 :
1470 : #ifdef ZTS
1471 : SG(request_info).path_translated = NULL;
1472 : #endif
1473 :
1474 98 : cgi_sapi_module.executable_location = argv[0];
1475 :
1476 : /* startup after we get the above ini override se we get things right */
1477 98 : if (cgi_sapi_module.startup(&cgi_sapi_module) == FAILURE) {
1478 : #ifdef ZTS
1479 : tsrm_shutdown();
1480 : #endif
1481 0 : return FAILURE;
1482 : }
1483 :
1484 : #if FORCE_CGI_REDIRECT
1485 : /* check force_cgi after startup, so we have proper output */
1486 : if (cgi && CGIG(force_redirect)) {
1487 : /* Apache will generate REDIRECT_STATUS,
1488 : * Netscape and redirect.so will generate HTTP_REDIRECT_STATUS.
1489 : * redirect.so and installation instructions available from
1490 : * http://www.koehntopp.de/php.
1491 : * -- kk@netuse.de
1492 : */
1493 : if (!getenv("REDIRECT_STATUS")
1494 : && !getenv ("HTTP_REDIRECT_STATUS")
1495 : /* this is to allow a different env var to be configured
1496 : in case some server does something different than above */
1497 : && (!CGIG(redirect_status_env) || !getenv(CGIG(redirect_status_env)))
1498 : ) {
1499 : SG(sapi_headers).http_response_code = 400;
1500 : PUTS("<b>Security Alert!</b> The PHP CGI cannot be accessed directly.\n\n\
1501 : <p>This PHP CGI binary was compiled with force-cgi-redirect enabled. This\n\
1502 : means that a page will only be served up if the REDIRECT_STATUS CGI variable is\n\
1503 : set, e.g. via an Apache Action directive.</p>\n\
1504 : <p>For more information as to <i>why</i> this behaviour exists, see the <a href=\"http://php.net/security.cgi-bin\">\
1505 : manual page for CGI security</a>.</p>\n\
1506 : <p>For more information about changing this behaviour or re-enabling this webserver,\n\
1507 : consult the installation file that came with this distribution, or visit \n\
1508 : <a href=\"http://php.net/install.windows\">the manual page</a>.</p>\n");
1509 :
1510 : #if defined(ZTS) && !defined(PHP_DEBUG)
1511 : /* XXX we're crashing here in msvc6 debug builds at
1512 : php_message_handler_for_zend:839 because
1513 : SG(request_info).path_translated is an invalid pointer.
1514 : It still happens even though I set it to null, so something
1515 : weird is going on.
1516 : */
1517 : tsrm_shutdown();
1518 : #endif
1519 : return FAILURE;
1520 : }
1521 : }
1522 : #endif /* FORCE_CGI_REDIRECT */
1523 :
1524 : #if PHP_FASTCGI
1525 : if (bindpath) {
1526 : fcgi_fd = fcgi_listen(bindpath, 128);
1527 : if (fcgi_fd < 0) {
1528 : fprintf(stderr, "Couldn't create FastCGI listen socket on port %s\n", bindpath);
1529 : #ifdef ZTS
1530 : tsrm_shutdown();
1531 : #endif
1532 : return FAILURE;
1533 : }
1534 : fastcgi = fcgi_is_fastcgi();
1535 : }
1536 :
1537 : if (fastcgi) {
1538 : /* How many times to run PHP scripts before dying */
1539 : if (getenv("PHP_FCGI_MAX_REQUESTS")) {
1540 : max_requests = atoi(getenv("PHP_FCGI_MAX_REQUESTS"));
1541 : if (max_requests < 0) {
1542 : fprintf(stderr, "PHP_FCGI_MAX_REQUESTS is not valid\n");
1543 : return FAILURE;
1544 : }
1545 : }
1546 :
1547 : /* make php call us to get _ENV vars */
1548 : php_php_import_environment_variables = php_import_environment_variables;
1549 : php_import_environment_variables = cgi_php_import_environment_variables;
1550 :
1551 : /* library is already initialized, now init our request */
1552 : fcgi_init_request(&request, fcgi_fd);
1553 :
1554 : #ifndef PHP_WIN32
1555 : /* Pre-fork, if required */
1556 : if (getenv("PHP_FCGI_CHILDREN")) {
1557 : char * children_str = getenv("PHP_FCGI_CHILDREN");
1558 : children = atoi(children_str);
1559 : if (children < 0) {
1560 : fprintf(stderr, "PHP_FCGI_CHILDREN is not valid\n");
1561 : return FAILURE;
1562 : }
1563 : fcgi_set_mgmt_var("FCGI_MAX_CONNS", sizeof("FCGI_MAX_CONNS")-1, children_str, strlen(children_str));
1564 : /* This is the number of concurrent requests, equals FCGI_MAX_CONNS */
1565 : fcgi_set_mgmt_var("FCGI_MAX_REQS", sizeof("FCGI_MAX_REQS")-1, children_str, strlen(children_str));
1566 : } else {
1567 : fcgi_set_mgmt_var("FCGI_MAX_CONNS", sizeof("FCGI_MAX_CONNS")-1, "1", sizeof("1")-1);
1568 : fcgi_set_mgmt_var("FCGI_MAX_REQS", sizeof("FCGI_MAX_REQS")-1, "1", sizeof("1")-1);
1569 : }
1570 :
1571 : if (children) {
1572 : int running = 0;
1573 : pid_t pid;
1574 :
1575 : /* Create a process group for ourself & children */
1576 : setsid();
1577 : pgroup = getpgrp();
1578 : #ifdef DEBUG_FASTCGI
1579 : fprintf(stderr, "Process group %d\n", pgroup);
1580 : #endif
1581 :
1582 : /* Set up handler to kill children upon exit */
1583 : act.sa_flags = 0;
1584 : act.sa_handler = fastcgi_cleanup;
1585 : if (sigaction(SIGTERM, &act, &old_term) ||
1586 : sigaction(SIGINT, &act, &old_int) ||
1587 : sigaction(SIGQUIT, &act, &old_quit)) {
1588 : perror("Can't set signals");
1589 : exit(1);
1590 : }
1591 :
1592 : if (fcgi_in_shutdown()) {
1593 : goto parent_out;
1594 : }
1595 :
1596 : while (parent) {
1597 : do {
1598 : #ifdef DEBUG_FASTCGI
1599 : fprintf(stderr, "Forking, %d running\n", running);
1600 : #endif
1601 : pid = fork();
1602 : switch (pid) {
1603 : case 0:
1604 : /* One of the children.
1605 : * Make sure we don't go round the
1606 : * fork loop any more
1607 : */
1608 : parent = 0;
1609 :
1610 : /* don't catch our signals */
1611 : sigaction(SIGTERM, &old_term, 0);
1612 : sigaction(SIGQUIT, &old_quit, 0);
1613 : sigaction(SIGINT, &old_int, 0);
1614 : break;
1615 : case -1:
1616 : perror("php (pre-forking)");
1617 : exit(1);
1618 : break;
1619 : default:
1620 : /* Fine */
1621 : running++;
1622 : break;
1623 : }
1624 : } while (parent && (running < children));
1625 :
1626 : if (parent) {
1627 : #ifdef DEBUG_FASTCGI
1628 : fprintf(stderr, "Wait for kids, pid %d\n", getpid());
1629 : #endif
1630 : parent_waiting = 1;
1631 : while (1) {
1632 : if (wait(&status) >= 0) {
1633 : running--;
1634 : break;
1635 : } else if (exit_signal) {
1636 : break;
1637 : }
1638 : }
1639 : if (exit_signal) {
1640 : #if 0
1641 : while (running > 0) {
1642 : while (wait(&status) < 0) {
1643 : }
1644 : running--;
1645 : }
1646 : #endif
1647 : goto parent_out;
1648 : }
1649 : }
1650 : }
1651 : } else {
1652 : parent = 0;
1653 : }
1654 :
1655 : #endif /* WIN32 */
1656 : }
1657 : #endif /* FASTCGI */
1658 :
1659 98 : zend_first_try {
1660 2698 : while ((c = php_getopt(argc, argv, OPTIONS, &php_optarg, &php_optind, 1)) != -1) {
1661 2502 : switch (c) {
1662 : #if PHP_FASTCGI
1663 : case 'T':
1664 : benchmark = 1;
1665 : repeats = atoi(php_optarg);
1666 : #ifdef HAVE_GETTIMEOFDAY
1667 : gettimeofday(&start, NULL);
1668 : #else
1669 : time(&start);
1670 : #endif
1671 : break;
1672 : #endif
1673 : case 'h':
1674 : case '?':
1675 : #if PHP_FASTCGI
1676 : fcgi_shutdown();
1677 : #endif
1678 0 : no_headers = 1;
1679 0 : php_output_startup();
1680 0 : php_output_activate(TSRMLS_C);
1681 0 : SG(headers_sent) = 1;
1682 0 : php_cgi_usage(argv[0]);
1683 0 : php_end_ob_buffers(1 TSRMLS_CC);
1684 0 : exit_status = 0;
1685 0 : goto out;
1686 : }
1687 : }
1688 98 : php_optind = orig_optind;
1689 98 : php_optarg = orig_optarg;
1690 :
1691 : #if PHP_FASTCGI
1692 : /* start of FAST CGI loop */
1693 : /* Initialise FastCGI request structure */
1694 : #ifdef PHP_WIN32
1695 : /* attempt to set security impersonation for fastcgi
1696 : will only happen on NT based OS, others will ignore it. */
1697 : if (fastcgi && CGIG(impersonate)) {
1698 : fcgi_impersonate();
1699 : }
1700 : #endif
1701 : while (!fastcgi || fcgi_accept_request(&request) >= 0) {
1702 : #endif
1703 :
1704 : #if PHP_FASTCGI
1705 : SG(server_context) = (void *) &request;
1706 : #else
1707 98 : SG(server_context) = (void *) 1; /* avoid server_context==NULL checks */
1708 : #endif
1709 98 : init_request_info(TSRMLS_C);
1710 98 : CG(interactive) = 0;
1711 :
1712 98 : if (!cgi
1713 : #if PHP_FASTCGI
1714 : && !fastcgi
1715 : #endif
1716 : ) {
1717 792 : while ((c = php_getopt(argc, argv, OPTIONS, &php_optarg, &php_optind, 0)) != -1) {
1718 707 : switch (c) {
1719 :
1720 : case 'a': /* interactive mode */
1721 2 : printf("Interactive mode enabled\n\n");
1722 2 : CG(interactive) = 1;
1723 2 : break;
1724 :
1725 : case 'C': /* don't chdir to the script directory */
1726 20 : SG(options) |= SAPI_OPTION_NO_CHDIR;
1727 20 : break;
1728 :
1729 : case 'e': /* enable extended info output */
1730 0 : CG(extended_info) = 1;
1731 0 : break;
1732 :
1733 : case 'f': /* parse file */
1734 6 : if (script_file) {
1735 1 : efree(script_file);
1736 : }
1737 6 : script_file = estrdup(php_optarg);
1738 6 : no_headers = 1;
1739 6 : break;
1740 :
1741 : case 'i': /* php info & quit */
1742 0 : if (script_file) {
1743 0 : efree(script_file);
1744 : }
1745 0 : if (php_request_startup(TSRMLS_C) == FAILURE) {
1746 0 : SG(server_context) = NULL;
1747 0 : php_module_shutdown(TSRMLS_C);
1748 0 : return FAILURE;
1749 : }
1750 0 : if (no_headers) {
1751 0 : SG(headers_sent) = 1;
1752 0 : SG(request_info).no_headers = 1;
1753 : }
1754 0 : php_print_info(0xFFFFFFFF TSRMLS_CC);
1755 0 : php_request_shutdown((void *) 0);
1756 0 : exit_status = 0;
1757 0 : goto out;
1758 :
1759 : case 'l': /* syntax check mode */
1760 4 : no_headers = 1;
1761 4 : behavior = PHP_MODE_LINT;
1762 4 : break;
1763 :
1764 : case 'm': /* list compiled in modules */
1765 0 : if (script_file) {
1766 0 : efree(script_file);
1767 : }
1768 0 : php_output_startup();
1769 0 : php_output_activate(TSRMLS_C);
1770 0 : SG(headers_sent) = 1;
1771 0 : php_printf("[PHP Modules]\n");
1772 0 : print_modules(TSRMLS_C);
1773 0 : php_printf("\n[Zend Modules]\n");
1774 0 : print_extensions(TSRMLS_C);
1775 0 : php_printf("\n");
1776 0 : php_end_ob_buffers(1 TSRMLS_CC);
1777 0 : exit_status = 0;
1778 0 : goto out;
1779 :
1780 : #if 0 /* not yet operational, see also below ... */
1781 : case '': /* generate indented source mode*/
1782 : behavior=PHP_MODE_INDENT;
1783 : break;
1784 : #endif
1785 :
1786 : case 'q': /* do not generate HTTP headers */
1787 20 : no_headers = 1;
1788 20 : break;
1789 :
1790 : case 'v': /* show php version & quit */
1791 1 : if (script_file) {
1792 0 : efree(script_file);
1793 : }
1794 1 : no_headers = 1;
1795 1 : if (php_request_startup(TSRMLS_C) == FAILURE) {
1796 0 : SG(server_context) = NULL;
1797 0 : php_module_shutdown(TSRMLS_C);
1798 0 : return FAILURE;
1799 : }
1800 1 : if (no_headers) {
1801 1 : SG(headers_sent) = 1;
1802 1 : SG(request_info).no_headers = 1;
1803 : }
1804 : #if ZEND_DEBUG
1805 : php_printf("PHP %s (%s) (built: %s %s) (DEBUG)\nCopyright (c) 1997-2009 The PHP Group\n%s", PHP_VERSION, sapi_module.name, __DATE__, __TIME__, get_zend_version());
1806 : #else
1807 1 : php_printf("PHP %s (%s) (built: %s %s)\nCopyright (c) 1997-2009 The PHP Group\n%s", PHP_VERSION, sapi_module.name, __DATE__, __TIME__, get_zend_version());
1808 : #endif
1809 1 : php_request_shutdown((void *) 0);
1810 1 : exit_status = 0;
1811 1 : goto out;
1812 :
1813 : case 'w':
1814 4 : behavior = PHP_MODE_STRIP;
1815 4 : break;
1816 :
1817 : case 'z': /* load extension file */
1818 0 : zend_load_extension(php_optarg);
1819 : break;
1820 :
1821 : default:
1822 : break;
1823 : }
1824 : }
1825 :
1826 42 : if (script_file) {
1827 : /* override path_translated if -f on command line */
1828 5 : STR_FREE(SG(request_info).path_translated);
1829 5 : SG(request_info).path_translated = script_file;
1830 : /* before registering argv to module exchange the *new* argv[0] */
1831 : /* we can achieve this without allocating more memory */
1832 5 : SG(request_info).argc = argc - (php_optind - 1);
1833 5 : SG(request_info).argv = &argv[php_optind - 1];
1834 5 : SG(request_info).argv[0] = script_file;
1835 37 : } else if (argc > php_optind) {
1836 : /* file is on command line, but not in -f opt */
1837 35 : STR_FREE(SG(request_info).path_translated);
1838 35 : SG(request_info).path_translated = estrdup(argv[php_optind]);
1839 : /* arguments after the file are considered script args */
1840 35 : SG(request_info).argc = argc - php_optind;
1841 35 : SG(request_info).argv = &argv[php_optind];
1842 : }
1843 :
1844 42 : if (no_headers) {
1845 29 : SG(headers_sent) = 1;
1846 29 : SG(request_info).no_headers = 1;
1847 : }
1848 :
1849 : /* all remaining arguments are part of the query string
1850 : this section of code concatenates all remaining arguments
1851 : into a single string, seperating args with a &
1852 : this allows command lines like:
1853 :
1854 : test.php v1=test v2=hello+world!
1855 : test.php "v1=test&v2=hello world!"
1856 : test.php v1=test "v2=hello world!"
1857 : */
1858 42 : if (!SG(request_info).query_string && argc > php_optind) {
1859 35 : int slen = strlen(PG(arg_separator).input);
1860 35 : len = 0;
1861 70 : for (i = php_optind; i < argc; i++) {
1862 35 : if (i < (argc - 1)) {
1863 0 : len += strlen(argv[i]) + slen;
1864 : } else {
1865 35 : len += strlen(argv[i]);
1866 : }
1867 : }
1868 :
1869 35 : len += 2;
1870 35 : s = malloc(len);
1871 35 : *s = '\0'; /* we are pretending it came from the environment */
1872 70 : for (i = php_optind; i < argc; i++) {
1873 35 : strlcat(s, argv[i], len);
1874 35 : if (i < (argc - 1)) {
1875 0 : strlcat(s, PG(arg_separator).input, len);
1876 : }
1877 : }
1878 35 : SG(request_info).query_string = s;
1879 35 : free_query_string = 1;
1880 : }
1881 : } /* end !cgi && !fastcgi */
1882 :
1883 : /*
1884 : we never take stdin if we're (f)cgi, always
1885 : rely on the web server giving us the info
1886 : we need in the environment.
1887 : */
1888 192 : if (SG(request_info).path_translated || cgi
1889 : #if PHP_FASTCGI
1890 : || fastcgi
1891 : #endif
1892 : )
1893 : {
1894 95 : file_handle.type = ZEND_HANDLE_FILENAME;
1895 95 : file_handle.filename = SG(request_info).path_translated;
1896 95 : file_handle.handle.fp = NULL;
1897 : } else {
1898 2 : file_handle.filename = "-";
1899 2 : file_handle.type = ZEND_HANDLE_FP;
1900 2 : file_handle.handle.fp = stdin;
1901 : }
1902 :
1903 97 : file_handle.opened_path = NULL;
1904 97 : file_handle.free_filename = 0;
1905 :
1906 : /* request startup only after we've done all we can to
1907 : get path_translated */
1908 97 : if (php_request_startup(TSRMLS_C) == FAILURE) {
1909 : #if PHP_FASTCGI
1910 : if (fastcgi) {
1911 : fcgi_finish_request(&request);
1912 : }
1913 : #endif
1914 0 : SG(server_context) = NULL;
1915 0 : php_module_shutdown(TSRMLS_C);
1916 0 : return FAILURE;
1917 : }
1918 97 : if (no_headers) {
1919 29 : SG(headers_sent) = 1;
1920 29 : SG(request_info).no_headers = 1;
1921 : }
1922 :
1923 : /*
1924 : at this point path_translated will be set if:
1925 : 1. we are running from shell and got filename was there
1926 : 2. we are running as cgi or fastcgi
1927 : */
1928 97 : retval = FAILURE;
1929 97 : if (cgi || SG(request_info).path_translated) {
1930 95 : if (!php_check_open_basedir(SG(request_info).path_translated TSRMLS_CC)) {
1931 95 : retval = php_fopen_primary_script(&file_handle TSRMLS_CC);
1932 : }
1933 : }
1934 : /*
1935 : if we are unable to open path_translated and we are not
1936 : running from shell (so fp == NULL), then fail.
1937 : */
1938 97 : if (retval == FAILURE && file_handle.handle.fp == NULL) {
1939 7 : if (errno == EACCES) {
1940 0 : SG(sapi_headers).http_response_code = 403;
1941 0 : PUTS("Access denied.\n");
1942 : } else {
1943 7 : SG(sapi_headers).http_response_code = 404;
1944 7 : PUTS("No input file specified.\n");
1945 : }
1946 : #if PHP_FASTCGI
1947 : /* we want to serve more requests if this is fastcgi
1948 : so cleanup and continue, request shutdown is
1949 : handled later */
1950 : if (fastcgi) {
1951 : goto fastcgi_request_done;
1952 : }
1953 : #endif
1954 :
1955 7 : STR_FREE(SG(request_info).path_translated);
1956 :
1957 7 : if (free_query_string && SG(request_info).query_string) {
1958 3 : free(SG(request_info).query_string);
1959 3 : SG(request_info).query_string = NULL;
1960 : }
1961 :
1962 7 : php_request_shutdown((void *) 0);
1963 7 : SG(server_context) = NULL;
1964 7 : php_module_shutdown(TSRMLS_C);
1965 7 : sapi_shutdown();
1966 : #ifdef ZTS
1967 : tsrm_shutdown();
1968 : #endif
1969 7 : return FAILURE;
1970 : }
1971 :
1972 90 : if (CGIG(check_shebang_line) && file_handle.handle.fp && (file_handle.handle.fp != stdin)) {
1973 : /* #!php support */
1974 88 : c = fgetc(file_handle.handle.fp);
1975 88 : if (c == '#') {
1976 0 : while (c != '\n' && c != '\r' && c != EOF) {
1977 0 : c = fgetc(file_handle.handle.fp); /* skip to end of line */
1978 : }
1979 : /* handle situations where line is terminated by \r\n */
1980 0 : if (c == '\r') {
1981 0 : if (fgetc(file_handle.handle.fp) != '\n') {
1982 0 : long pos = ftell(file_handle.handle.fp);
1983 0 : fseek(file_handle.handle.fp, pos - 1, SEEK_SET);
1984 : }
1985 : }
1986 0 : CG(start_lineno) = 2;
1987 : } else {
1988 88 : rewind(file_handle.handle.fp);
1989 : }
1990 : }
1991 :
1992 90 : switch (behavior) {
1993 : case PHP_MODE_STANDARD:
1994 84 : php_execute_script(&file_handle TSRMLS_CC);
1995 84 : break;
1996 : case PHP_MODE_LINT:
1997 3 : PG(during_request_startup) = 0;
1998 3 : exit_status = php_lint_script(&file_handle TSRMLS_CC);
1999 3 : if (exit_status == SUCCESS) {
2000 2 : zend_printf("No syntax errors detected in %s\n", file_handle.filename);
2001 : } else {
2002 1 : zend_printf("Errors parsing %s\n", file_handle.filename);
2003 : }
2004 3 : break;
2005 : case PHP_MODE_STRIP:
2006 2 : if (open_file_for_scanning(&file_handle TSRMLS_CC) == SUCCESS) {
2007 2 : zend_strip(TSRMLS_C);
2008 2 : fclose(file_handle.handle.fp);
2009 2 : php_end_ob_buffers(1 TSRMLS_CC);
2010 : }
2011 2 : return SUCCESS;
2012 : break;
2013 : case PHP_MODE_HIGHLIGHT:
2014 : {
2015 : zend_syntax_highlighter_ini syntax_highlighter_ini;
2016 :
2017 1 : if (open_file_for_scanning(&file_handle TSRMLS_CC) == SUCCESS) {
2018 1 : php_get_highlight_struct(&syntax_highlighter_ini);
2019 1 : zend_highlight(&syntax_highlighter_ini TSRMLS_CC);
2020 : #if PHP_FASTCGI
2021 : if (fastcgi) {
2022 : goto fastcgi_request_done;
2023 : }
2024 : #endif
2025 1 : fclose(file_handle.handle.fp);
2026 1 : php_end_ob_buffers(1 TSRMLS_CC);
2027 : }
2028 1 : return SUCCESS;
2029 : }
2030 : break;
2031 : #if 0
2032 : /* Zeev might want to do something with this one day */
2033 : case PHP_MODE_INDENT:
2034 : open_file_for_scanning(&file_handle TSRMLS_CC);
2035 : zend_indent();
2036 : fclose(file_handle.handle.fp);
2037 : return SUCCESS;
2038 : break;
2039 : #endif
2040 : }
2041 :
2042 : #if PHP_FASTCGI
2043 : fastcgi_request_done:
2044 : #endif
2045 : {
2046 : char *path_translated;
2047 :
2048 : /* Go through this trouble so that the memory manager doesn't warn
2049 : * about SG(request_info).path_translated leaking
2050 : */
2051 87 : if (SG(request_info).path_translated) {
2052 86 : path_translated = strdup(SG(request_info).path_translated);
2053 86 : STR_FREE(SG(request_info).path_translated);
2054 86 : SG(request_info).path_translated = path_translated;
2055 : }
2056 :
2057 87 : php_request_shutdown((void *) 0);
2058 87 : if (exit_status == 0) {
2059 86 : exit_status = EG(exit_status);
2060 : }
2061 :
2062 87 : if (SG(request_info).path_translated) {
2063 86 : free(SG(request_info).path_translated);
2064 86 : SG(request_info).path_translated = NULL;
2065 : }
2066 87 : if (free_query_string && SG(request_info).query_string) {
2067 30 : free(SG(request_info).query_string);
2068 30 : SG(request_info).query_string = NULL;
2069 : }
2070 :
2071 : }
2072 :
2073 : #if PHP_FASTCGI
2074 : if (!fastcgi) {
2075 : if (benchmark) {
2076 : repeats--;
2077 : if (repeats > 0) {
2078 : script_file = NULL;
2079 : php_optind = orig_optind;
2080 : php_optarg = orig_optarg;
2081 : continue;
2082 : }
2083 : }
2084 : break;
2085 : }
2086 :
2087 : /* only fastcgi will get here */
2088 : requests++;
2089 : if (max_requests && (requests == max_requests)) {
2090 : fcgi_finish_request(&request);
2091 : if (bindpath) {
2092 : free(bindpath);
2093 : }
2094 : if (max_requests != 1) {
2095 : /* no need to return exit_status of the last request */
2096 : exit_status = 0;
2097 : }
2098 : break;
2099 : }
2100 : /* end of fastcgi loop */
2101 : }
2102 : fcgi_shutdown();
2103 : #endif
2104 :
2105 87 : if (cgi_sapi_module.php_ini_path_override) {
2106 0 : free(cgi_sapi_module.php_ini_path_override);
2107 : }
2108 87 : if (cgi_sapi_module.ini_entries) {
2109 79 : free(cgi_sapi_module.ini_entries);
2110 : }
2111 0 : } zend_catch {
2112 0 : exit_status = 255;
2113 87 : } zend_end_try();
2114 :
2115 88 : out:
2116 : #if PHP_FASTCGI
2117 : if (benchmark) {
2118 : int sec;
2119 : #ifdef HAVE_GETTIMEOFDAY
2120 : int usec;
2121 :
2122 : gettimeofday(&end, NULL);
2123 : sec = (int)(end.tv_sec - start.tv_sec);
2124 : if (end.tv_usec >= start.tv_usec) {
2125 : usec = (int)(end.tv_usec - start.tv_usec);
2126 : } else {
2127 : sec -= 1;
2128 : usec = (int)(end.tv_usec + 1000000 - start.tv_usec);
2129 : }
2130 : fprintf(stderr, "\nElapsed time: %d.%06d sec\n", sec, usec);
2131 : #else
2132 : time(&end);
2133 : sec = (int)(end - start);
2134 : fprintf(stderr, "\nElapsed time: %d sec\n", sec);
2135 : #endif
2136 : }
2137 : #endif
2138 :
2139 : #ifndef PHP_WIN32
2140 88 : parent_out:
2141 : #endif
2142 :
2143 88 : SG(server_context) = NULL;
2144 88 : php_module_shutdown(TSRMLS_C);
2145 88 : sapi_shutdown();
2146 :
2147 : #ifdef ZTS
2148 : /*tsrm_shutdown();*/
2149 : #endif
2150 :
2151 : #if defined(PHP_WIN32) && ZEND_DEBUG && 0
2152 : _CrtDumpMemoryLeaks();
2153 : #endif
2154 :
2155 88 : return exit_status;
2156 : }
2157 : /* }}} */
2158 :
2159 : /*
2160 : * Local variables:
2161 : * tab-width: 4
2162 : * c-basic-offset: 4
2163 : * End:
2164 : * vim600: sw=4 ts=4 fdm=marker
2165 : * vim<600: sw=4 ts=4
2166 : */
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