1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 7 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2018 The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Author: Sascha Schumann <sascha@schumann.cx> |
16 +----------------------------------------------------------------------+
17 */
18
19 /* $Id$ */
20
21 #define ZEND_INCLUDE_FULL_WINDOWS_HEADERS
22
23 #include "php.h"
24 #include "zend_smart_str.h"
25 #include "ext/standard/info.h"
26 #include "ext/standard/head.h"
27 #include "php_ini.h"
28 #include "SAPI.h"
29
30 #define CORE_PRIVATE
31 #include "apr_strings.h"
32 #include "apr_time.h"
33 #include "ap_config.h"
34 #include "util_filter.h"
35 #include "httpd.h"
36 #include "http_config.h"
37 #include "http_request.h"
38 #include "http_core.h"
39 #include "http_protocol.h"
40 #include "http_log.h"
41 #include "http_main.h"
42 #include "util_script.h"
43 #include "http_core.h"
44 #include "ap_mpm.h"
45 #if !defined(WIN32) && !defined(WINNT)
46 #include "unixd.h"
47 #endif
48
49 #include "php_apache.h"
50
51 #ifdef ZTS
52 int php_apache2_info_id;
53 #else
54 php_apache2_info_struct php_apache2_info;
55 #endif
56
57 #define SECTION(name) PUTS("<h2>" name "</h2>\n")
58
php_apache_lookup_uri(char * filename)59 static request_rec *php_apache_lookup_uri(char *filename)
60 {
61 php_struct *ctx = SG(server_context);
62
63 if (!filename || !ctx || !ctx->r) {
64 return NULL;
65 }
66
67 return ap_sub_req_lookup_uri(filename, ctx->r, ctx->r->output_filters);
68 }
69
70 /* {{{ proto bool virtual(string uri)
71 Perform an apache sub-request */
PHP_FUNCTION(virtual)72 PHP_FUNCTION(virtual)
73 {
74 char *filename;
75 size_t filename_len;
76 request_rec *rr;
77
78 if (zend_parse_parameters(ZEND_NUM_ARGS(), "p", &filename, &filename_len) == FAILURE) {
79 return;
80 }
81
82 if (!(rr = php_apache_lookup_uri(filename))) {
83 php_error_docref(NULL, E_WARNING, "Unable to include '%s' - URI lookup failed", filename);
84 RETURN_FALSE;
85 }
86
87 if (rr->status != HTTP_OK) {
88 php_error_docref(NULL, E_WARNING, "Unable to include '%s' - error finding URI", filename);
89 ap_destroy_sub_req(rr);
90 RETURN_FALSE;
91 }
92
93 /* Flush everything. */
94 php_output_end_all();
95 php_header();
96
97 /* Ensure that the ap_r* layer for the main request is flushed, to
98 * work around http://issues.apache.org/bugzilla/show_bug.cgi?id=17629 */
99 ap_rflush(rr->main);
100
101 if (ap_run_sub_req(rr)) {
102 php_error_docref(NULL, E_WARNING, "Unable to include '%s' - request execution failed", filename);
103 ap_destroy_sub_req(rr);
104 RETURN_FALSE;
105 }
106 ap_destroy_sub_req(rr);
107 RETURN_TRUE;
108 }
109 /* }}} */
110
111 #define ADD_LONG(name) \
112 add_property_long(return_value, #name, rr->name)
113 #define ADD_TIME(name) \
114 add_property_long(return_value, #name, apr_time_sec(rr->name));
115 #define ADD_STRING(name) \
116 if (rr->name) add_property_string(return_value, #name, (char *) rr->name)
117
PHP_FUNCTION(apache_lookup_uri)118 PHP_FUNCTION(apache_lookup_uri)
119 {
120 request_rec *rr;
121 char *filename;
122 size_t filename_len;
123
124 if (zend_parse_parameters(ZEND_NUM_ARGS(), "p", &filename, &filename_len) == FAILURE) {
125 return;
126 }
127
128 if (!(rr = php_apache_lookup_uri(filename))) {
129 php_error_docref(NULL, E_WARNING, "Unable to include '%s' - URI lookup failed", filename);
130 RETURN_FALSE;
131 }
132
133 if (rr->status == HTTP_OK) {
134 object_init(return_value);
135
136 ADD_LONG(status);
137 ADD_STRING(the_request);
138 ADD_STRING(status_line);
139 ADD_STRING(method);
140 ADD_TIME(mtime);
141 ADD_LONG(clength);
142 #if MODULE_MAGIC_NUMBER < 20020506
143 ADD_STRING(boundary);
144 #endif
145 ADD_STRING(range);
146 ADD_LONG(chunked);
147 ADD_STRING(content_type);
148 ADD_STRING(handler);
149 ADD_LONG(no_cache);
150 ADD_LONG(no_local_copy);
151 ADD_STRING(unparsed_uri);
152 ADD_STRING(uri);
153 ADD_STRING(filename);
154 ADD_STRING(path_info);
155 ADD_STRING(args);
156 ADD_LONG(allowed);
157 ADD_LONG(sent_bodyct);
158 ADD_LONG(bytes_sent);
159 ADD_LONG(mtime);
160 ADD_TIME(request_time);
161
162 ap_destroy_sub_req(rr);
163 return;
164 }
165
166 php_error_docref(NULL, E_WARNING, "Unable to include '%s' - error finding URI", filename);
167 ap_destroy_sub_req(rr);
168 RETURN_FALSE;
169 }
170
171 /* {{{ proto array getallheaders(void)
172 Fetch all HTTP request headers */
PHP_FUNCTION(apache_request_headers)173 PHP_FUNCTION(apache_request_headers)
174 {
175 php_struct *ctx;
176 const apr_array_header_t *arr;
177 char *key, *val;
178
179 if (zend_parse_parameters_none() == FAILURE) {
180 return;
181 }
182
183 array_init(return_value);
184
185 ctx = SG(server_context);
186 arr = apr_table_elts(ctx->r->headers_in);
187
188 APR_ARRAY_FOREACH_OPEN(arr, key, val)
189 if (!val) val = "";
190 add_assoc_string(return_value, key, val);
191 APR_ARRAY_FOREACH_CLOSE()
192 }
193 /* }}} */
194
195 /* {{{ proto array apache_response_headers(void)
196 Fetch all HTTP response headers */
PHP_FUNCTION(apache_response_headers)197 PHP_FUNCTION(apache_response_headers)
198 {
199 php_struct *ctx;
200 const apr_array_header_t *arr;
201 char *key, *val;
202
203 if (zend_parse_parameters_none() == FAILURE) {
204 return;
205 }
206
207 array_init(return_value);
208
209 ctx = SG(server_context);
210 arr = apr_table_elts(ctx->r->headers_out);
211
212 APR_ARRAY_FOREACH_OPEN(arr, key, val)
213 if (!val) val = "";
214 add_assoc_string(return_value, key, val);
215 APR_ARRAY_FOREACH_CLOSE()
216 }
217 /* }}} */
218
219 /* {{{ proto string apache_note(string note_name [, string note_value])
220 Get and set Apache request notes */
PHP_FUNCTION(apache_note)221 PHP_FUNCTION(apache_note)
222 {
223 php_struct *ctx;
224 char *note_name, *note_val = NULL;
225 size_t note_name_len, note_val_len;
226 char *old_note_val=NULL;
227
228 if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|s", ¬e_name, ¬e_name_len, ¬e_val, ¬e_val_len) == FAILURE) {
229 return;
230 }
231
232 ctx = SG(server_context);
233
234 old_note_val = (char *) apr_table_get(ctx->r->notes, note_name);
235
236 if (note_val) {
237 apr_table_set(ctx->r->notes, note_name, note_val);
238 }
239
240 if (old_note_val) {
241 RETURN_STRING(old_note_val);
242 }
243
244 RETURN_FALSE;
245 }
246 /* }}} */
247
248
249 /* {{{ proto bool apache_setenv(string variable, string value [, bool walk_to_top])
250 Set an Apache subprocess_env variable */
251 /*
252 * XXX this doesn't look right. shouldn't it be the parent ?*/
PHP_FUNCTION(apache_setenv)253 PHP_FUNCTION(apache_setenv)
254 {
255 php_struct *ctx;
256 char *variable=NULL, *string_val=NULL;
257 size_t variable_len, string_val_len;
258 zend_bool walk_to_top = 0;
259 int arg_count = ZEND_NUM_ARGS();
260 request_rec *r;
261
262 if (zend_parse_parameters(arg_count, "ss|b", &variable, &variable_len, &string_val, &string_val_len, &walk_to_top) == FAILURE) {
263 return;
264 }
265
266 ctx = SG(server_context);
267
268 r = ctx->r;
269 if (arg_count == 3) {
270 if (walk_to_top) {
271 while(r->prev) {
272 r = r->prev;
273 }
274 }
275 }
276
277 apr_table_set(r->subprocess_env, variable, string_val);
278
279 RETURN_TRUE;
280 }
281 /* }}} */
282
283 /* {{{ proto bool apache_getenv(string variable [, bool walk_to_top])
284 Get an Apache subprocess_env variable */
285 /*
286 * XXX: shouldn't this be the parent not the 'prev'
287 */
PHP_FUNCTION(apache_getenv)288 PHP_FUNCTION(apache_getenv)
289 {
290 php_struct *ctx;
291 char *variable;
292 size_t variable_len;
293 zend_bool walk_to_top = 0;
294 int arg_count = ZEND_NUM_ARGS();
295 char *env_val=NULL;
296 request_rec *r;
297
298 if (zend_parse_parameters(arg_count, "s|b", &variable, &variable_len, &walk_to_top) == FAILURE) {
299 return;
300 }
301
302 ctx = SG(server_context);
303
304 r = ctx->r;
305 if (arg_count == 2) {
306 if (walk_to_top) {
307 while(r->prev) {
308 r = r->prev;
309 }
310 }
311 }
312
313 env_val = (char*) apr_table_get(r->subprocess_env, variable);
314
315 if (env_val != NULL) {
316 RETURN_STRING(env_val);
317 }
318
319 RETURN_FALSE;
320 }
321 /* }}} */
322
php_apache_get_version()323 static char *php_apache_get_version()
324 {
325 #if MODULE_MAGIC_NUMBER_MAJOR >= 20060905
326 return (char *) ap_get_server_banner();
327 #else
328 return (char *) ap_get_server_version();
329 #endif
330 }
331
332 /* {{{ proto string apache_get_version(void)
333 Fetch Apache version */
PHP_FUNCTION(apache_get_version)334 PHP_FUNCTION(apache_get_version)
335 {
336 char *apv = php_apache_get_version();
337
338 if (apv && *apv) {
339 RETURN_STRING(apv);
340 } else {
341 RETURN_FALSE;
342 }
343 }
344 /* }}} */
345
346 /* {{{ proto array apache_get_modules(void)
347 Get a list of loaded Apache modules */
PHP_FUNCTION(apache_get_modules)348 PHP_FUNCTION(apache_get_modules)
349 {
350 int n;
351 char *p;
352
353 array_init(return_value);
354
355 for (n = 0; ap_loaded_modules[n]; ++n) {
356 char *s = (char *) ap_loaded_modules[n]->name;
357 if ((p = strchr(s, '.'))) {
358 add_next_index_stringl(return_value, s, (p - s));
359 } else {
360 add_next_index_string(return_value, s);
361 }
362 }
363 }
364 /* }}} */
365
PHP_MINFO_FUNCTION(apache)366 PHP_MINFO_FUNCTION(apache)
367 {
368 char *apv = php_apache_get_version();
369 smart_str tmp1 = {0};
370 char tmp[1024];
371 int n, max_requests;
372 char *p;
373 server_rec *serv = ((php_struct *) SG(server_context))->r->server;
374 #if !defined(WIN32) && !defined(WINNT)
375 #if MODULE_MAGIC_NUMBER_MAJOR >= 20081201
376 AP_DECLARE_DATA extern unixd_config_rec ap_unixd_config;
377 #else
378 AP_DECLARE_DATA extern unixd_config_rec unixd_config;
379 #endif
380 #endif
381
382 for (n = 0; ap_loaded_modules[n]; ++n) {
383 char *s = (char *) ap_loaded_modules[n]->name;
384 if ((p = strchr(s, '.'))) {
385 smart_str_appendl(&tmp1, s, (p - s));
386 } else {
387 smart_str_appends(&tmp1, s);
388 }
389 smart_str_appendc(&tmp1, ' ');
390 }
391 if (tmp1.s) {
392 if (tmp1.s->len > 0) {
393 tmp1.s->val[tmp1.s->len - 1] = '\0';
394 } else {
395 tmp1.s->val[0] = '\0';
396 }
397 }
398
399 php_info_print_table_start();
400 if (apv && *apv) {
401 php_info_print_table_row(2, "Apache Version", apv);
402 }
403 snprintf(tmp, sizeof(tmp), "%d", MODULE_MAGIC_NUMBER);
404 php_info_print_table_row(2, "Apache API Version", tmp);
405
406 if (serv->server_admin && *(serv->server_admin)) {
407 php_info_print_table_row(2, "Server Administrator", serv->server_admin);
408 }
409
410 snprintf(tmp, sizeof(tmp), "%s:%u", serv->server_hostname, serv->port);
411 php_info_print_table_row(2, "Hostname:Port", tmp);
412
413 #if !defined(WIN32) && !defined(WINNT)
414 #if MODULE_MAGIC_NUMBER_MAJOR >= 20081201
415 snprintf(tmp, sizeof(tmp), "%s(%d)/%d", ap_unixd_config.user_name, ap_unixd_config.user_id, ap_unixd_config.group_id);
416 #else
417 snprintf(tmp, sizeof(tmp), "%s(%d)/%d", unixd_config.user_name, unixd_config.user_id, unixd_config.group_id);
418 #endif
419 php_info_print_table_row(2, "User/Group", tmp);
420 #endif
421
422 ap_mpm_query(AP_MPMQ_MAX_REQUESTS_DAEMON, &max_requests);
423 snprintf(tmp, sizeof(tmp), "Per Child: %d - Keep Alive: %s - Max Per Connection: %d", max_requests, (serv->keep_alive ? "on":"off"), serv->keep_alive_max);
424 php_info_print_table_row(2, "Max Requests", tmp);
425
426 apr_snprintf(tmp, sizeof tmp,
427 "Connection: %" APR_TIME_T_FMT " - Keep-Alive: %" APR_TIME_T_FMT,
428 apr_time_sec(serv->timeout), apr_time_sec(serv->keep_alive_timeout));
429 php_info_print_table_row(2, "Timeouts", tmp);
430
431 php_info_print_table_row(2, "Virtual Server", (serv->is_virtual ? "Yes" : "No"));
432 php_info_print_table_row(2, "Server Root", ap_server_root);
433 php_info_print_table_row(2, "Loaded Modules", tmp1.s->val);
434
435 smart_str_free(&tmp1);
436 php_info_print_table_end();
437
438 DISPLAY_INI_ENTRIES();
439
440 {
441 const apr_array_header_t *arr = apr_table_elts(((php_struct *) SG(server_context))->r->subprocess_env);
442 char *key, *val;
443
444 SECTION("Apache Environment");
445 php_info_print_table_start();
446 php_info_print_table_header(2, "Variable", "Value");
447 APR_ARRAY_FOREACH_OPEN(arr, key, val)
448 if (!val) {
449 val = "";
450 }
451 php_info_print_table_row(2, key, val);
452 APR_ARRAY_FOREACH_CLOSE()
453
454 php_info_print_table_end();
455
456 SECTION("HTTP Headers Information");
457 php_info_print_table_start();
458 php_info_print_table_colspan_header(2, "HTTP Request Headers");
459 php_info_print_table_row(2, "HTTP Request", ((php_struct *) SG(server_context))->r->the_request);
460
461 arr = apr_table_elts(((php_struct *) SG(server_context))->r->headers_in);
462 APR_ARRAY_FOREACH_OPEN(arr, key, val)
463 if (!val) {
464 val = "";
465 }
466 php_info_print_table_row(2, key, val);
467 APR_ARRAY_FOREACH_CLOSE()
468
469 php_info_print_table_colspan_header(2, "HTTP Response Headers");
470 arr = apr_table_elts(((php_struct *) SG(server_context))->r->headers_out);
471 APR_ARRAY_FOREACH_OPEN(arr, key, val)
472 if (!val) {
473 val = "";
474 }
475 php_info_print_table_row(2, key, val);
476 APR_ARRAY_FOREACH_CLOSE()
477
478 php_info_print_table_end();
479 }
480 }
481
482 /* {{{ arginfo */
483 ZEND_BEGIN_ARG_INFO_EX(arginfo_apache2handler_lookup_uri, 0, 0, 1)
484 ZEND_ARG_INFO(0, filename)
485 ZEND_END_ARG_INFO()
486
487 ZEND_BEGIN_ARG_INFO_EX(arginfo_apache2handler_virtual, 0, 0, 1)
488 ZEND_ARG_INFO(0, uri)
489 ZEND_END_ARG_INFO()
490
491 ZEND_BEGIN_ARG_INFO(arginfo_apache2handler_response_headers, 0)
492 ZEND_END_ARG_INFO()
493
494 ZEND_BEGIN_ARG_INFO(arginfo_apache2handler_getallheaders, 0)
495 ZEND_END_ARG_INFO()
496
497 ZEND_BEGIN_ARG_INFO_EX(arginfo_apache2handler_note, 0, 0, 1)
498 ZEND_ARG_INFO(0, note_name)
499 ZEND_ARG_INFO(0, note_value)
500 ZEND_END_ARG_INFO()
501
502 ZEND_BEGIN_ARG_INFO_EX(arginfo_apache2handler_setenv, 0, 0, 2)
503 ZEND_ARG_INFO(0, variable)
504 ZEND_ARG_INFO(0, value)
505 ZEND_ARG_INFO(0, walk_to_top)
506 ZEND_END_ARG_INFO()
507
508 ZEND_BEGIN_ARG_INFO_EX(arginfo_apache2handler_getenv, 0, 0, 1)
509 ZEND_ARG_INFO(0, variable)
510 ZEND_ARG_INFO(0, walk_to_top)
511 ZEND_END_ARG_INFO()
512
513 ZEND_BEGIN_ARG_INFO(arginfo_apache2handler_get_version, 0)
514 ZEND_END_ARG_INFO()
515
516 ZEND_BEGIN_ARG_INFO(arginfo_apache2handler_get_modules, 0)
517 ZEND_END_ARG_INFO()
518 /* }}} */
519
520 static const zend_function_entry apache_functions[] = {
521 PHP_FE(apache_lookup_uri, arginfo_apache2handler_lookup_uri)
522 PHP_FE(virtual, arginfo_apache2handler_virtual)
523 PHP_FE(apache_request_headers, arginfo_apache2handler_getallheaders)
524 PHP_FE(apache_response_headers, arginfo_apache2handler_response_headers)
525 PHP_FE(apache_setenv, arginfo_apache2handler_setenv)
526 PHP_FE(apache_getenv, arginfo_apache2handler_getenv)
527 PHP_FE(apache_note, arginfo_apache2handler_note)
528 PHP_FE(apache_get_version, arginfo_apache2handler_get_version)
529 PHP_FE(apache_get_modules, arginfo_apache2handler_get_modules)
530 PHP_FALIAS(getallheaders, apache_request_headers, arginfo_apache2handler_getallheaders)
531 {NULL, NULL, NULL}
532 };
533
534 PHP_INI_BEGIN()
535 STD_PHP_INI_ENTRY("xbithack", "0", PHP_INI_ALL, OnUpdateBool, xbithack, php_apache2_info_struct, php_apache2_info)
536 STD_PHP_INI_ENTRY("engine", "1", PHP_INI_ALL, OnUpdateBool, engine, php_apache2_info_struct, php_apache2_info)
537 STD_PHP_INI_ENTRY("last_modified", "0", PHP_INI_ALL, OnUpdateBool, last_modified, php_apache2_info_struct, php_apache2_info)
PHP_INI_END()538 PHP_INI_END()
539
540 static PHP_MINIT_FUNCTION(apache)
541 {
542 #ifdef ZTS
543 ts_allocate_id(&php_apache2_info_id, sizeof(php_apache2_info_struct), (ts_allocate_ctor) NULL, NULL);
544 #endif
545 REGISTER_INI_ENTRIES();
546 return SUCCESS;
547 }
548
PHP_MSHUTDOWN_FUNCTION(apache)549 static PHP_MSHUTDOWN_FUNCTION(apache)
550 {
551 UNREGISTER_INI_ENTRIES();
552 return SUCCESS;
553 }
554
555 zend_module_entry php_apache_module = {
556 STANDARD_MODULE_HEADER,
557 "apache2handler",
558 apache_functions,
559 PHP_MINIT(apache),
560 PHP_MSHUTDOWN(apache),
561 NULL,
562 NULL,
563 PHP_MINFO(apache),
564 NULL,
565 STANDARD_MODULE_PROPERTIES
566 };
567
568 /*
569 * Local variables:
570 * tab-width: 4
571 * c-basic-offset: 4
572 * End:
573 * vim600: sw=4 ts=4 fdm=marker
574 * vim<600: sw=4 ts=4
575 */
576
