1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2016 The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Authors: Sascha Schumann <sascha@schumann.cx> |
16 | Parts based on Apache 1.3 SAPI module by |
17 | Rasmus Lerdorf and Zeev Suraski |
18 +----------------------------------------------------------------------+
19 */
20
21 /* $Id$ */
22
23 #include <fcntl.h>
24
25 #define ZEND_INCLUDE_FULL_WINDOWS_HEADERS
26
27 #include "php.h"
28 #include "php_main.h"
29 #include "php_ini.h"
30 #include "php_variables.h"
31 #include "SAPI.h"
32
33 #include "ext/standard/php_smart_str.h"
34 #ifndef NETWARE
35 #include "ext/standard/php_standard.h"
36 #else
37 #include "ext/standard/basic_functions.h"
38 #endif
39
40 #include "apr_strings.h"
41 #include "ap_config.h"
42 #include "apr_buckets.h"
43 #include "util_filter.h"
44 #include "httpd.h"
45 #include "http_config.h"
46 #include "http_request.h"
47 #include "http_core.h"
48 #include "http_protocol.h"
49 #include "http_log.h"
50 #include "http_main.h"
51 #include "util_script.h"
52 #include "http_core.h"
53 #include "ap_mpm.h"
54
55 #include "php_apache.h"
56
57 /* UnixWare and Netware define shutdown to _shutdown, which causes problems later
58 * on when using a structure member named shutdown. Since this source
59 * file does not use the system call shutdown, it is safe to #undef it.
60 */
61 #undef shutdown
62
63 /* A way to specify the location of the php.ini dir in an apache directive */
64 char *apache2_php_ini_path_override = NULL;
65
66 static int
php_apache_sapi_ub_write(const char * str,uint str_length TSRMLS_DC)67 php_apache_sapi_ub_write(const char *str, uint str_length TSRMLS_DC)
68 {
69 apr_bucket *b;
70 apr_bucket_brigade *bb;
71 apr_bucket_alloc_t *ba;
72 ap_filter_t *f; /* remaining output filters */
73 php_struct *ctx;
74
75 ctx = SG(server_context);
76 f = ctx->f;
77
78 if (str_length == 0) return 0;
79
80 ba = f->c->bucket_alloc;
81 bb = apr_brigade_create(ctx->r->pool, ba);
82
83 b = apr_bucket_transient_create(str, str_length, ba);
84 APR_BRIGADE_INSERT_TAIL(bb, b);
85
86 if (ap_pass_brigade(f->next, bb) != APR_SUCCESS || ctx->r->connection->aborted) {
87 php_handle_aborted_connection();
88 }
89
90 return str_length; /* we always consume all the data passed to us. */
91 }
92
93 static int
php_apache_sapi_header_handler(sapi_header_struct * sapi_header,sapi_header_op_enum op,sapi_headers_struct * sapi_headers TSRMLS_DC)94 php_apache_sapi_header_handler(sapi_header_struct *sapi_header, sapi_header_op_enum op, sapi_headers_struct *sapi_headers TSRMLS_DC)
95 {
96 php_struct *ctx;
97 char *val, *ptr;
98
99 ctx = SG(server_context);
100
101 switch(op) {
102 case SAPI_HEADER_DELETE:
103 apr_table_unset(ctx->r->headers_out, sapi_header->header);
104 return 0;
105
106 case SAPI_HEADER_DELETE_ALL:
107 apr_table_clear(ctx->r->headers_out);
108 return 0;
109
110 case SAPI_HEADER_ADD:
111 case SAPI_HEADER_REPLACE:
112 val = strchr(sapi_header->header, ':');
113
114 if (!val) {
115 sapi_free_header(sapi_header);
116 return 0;
117 }
118 ptr = val;
119
120 *val = '\0';
121
122 do {
123 val++;
124 } while (*val == ' ');
125
126 if (!strcasecmp(sapi_header->header, "content-type"))
127 ctx->r->content_type = apr_pstrdup(ctx->r->pool, val);
128 else if (!strcasecmp(sapi_header->header, "content-length"))
129 ap_set_content_length(ctx->r, strtol(val, (char **)NULL, 10));
130 else if (op == SAPI_HEADER_REPLACE)
131 apr_table_set(ctx->r->headers_out, sapi_header->header, val);
132 else
133 apr_table_add(ctx->r->headers_out, sapi_header->header, val);
134
135 *ptr = ':';
136 return SAPI_HEADER_ADD;
137
138 default:
139 return 0;
140 }
141 }
142
143 static int
php_apache_sapi_send_headers(sapi_headers_struct * sapi_headers TSRMLS_DC)144 php_apache_sapi_send_headers(sapi_headers_struct *sapi_headers TSRMLS_DC)
145 {
146 php_struct *ctx = SG(server_context);
147
148 ctx->r->status = SG(sapi_headers).http_response_code;
149
150 return SAPI_HEADER_SENT_SUCCESSFULLY;
151 }
152
153 static int
php_apache_sapi_read_post(char * buf,uint count_bytes TSRMLS_DC)154 php_apache_sapi_read_post(char *buf, uint count_bytes TSRMLS_DC)
155 {
156 apr_size_t len;
157 php_struct *ctx = SG(server_context);
158 apr_bucket_brigade *brigade;
159 apr_bucket *partition;
160
161 brigade = ctx->post_data;
162 len = count_bytes;
163
164 switch (apr_brigade_partition(ctx->post_data, count_bytes, &partition)) {
165 case APR_SUCCESS:
166 apr_brigade_flatten(ctx->post_data, buf, &len);
167 brigade = apr_brigade_split(ctx->post_data, partition);
168 apr_brigade_destroy(ctx->post_data);
169 ctx->post_data = brigade;
170 break;
171 case APR_INCOMPLETE:
172 apr_brigade_flatten(ctx->post_data, buf, &len);
173 apr_brigade_cleanup(ctx->post_data);
174 break;
175 }
176
177 return len;
178 }
179 static struct stat*
php_apache_sapi_get_stat(TSRMLS_D)180 php_apache_sapi_get_stat(TSRMLS_D)
181 {
182 php_struct *ctx = SG(server_context);
183
184 ctx->finfo.st_uid = ctx->r->finfo.user;
185 ctx->finfo.st_gid = ctx->r->finfo.group;
186 ctx->finfo.st_dev = ctx->r->finfo.device;
187 ctx->finfo.st_ino = ctx->r->finfo.inode;
188 #ifdef NETWARE
189 ctx->finfo.st_atime.tv_sec = apr_time_sec(ctx->r->finfo.atime);
190 ctx->finfo.st_mtime.tv_sec = apr_time_sec(ctx->r->finfo.mtime);
191 ctx->finfo.st_ctime.tv_sec = apr_time_sec(ctx->r->finfo.ctime);
192 #else
193 ctx->finfo.st_atime = apr_time_sec(ctx->r->finfo.atime);
194 ctx->finfo.st_mtime = apr_time_sec(ctx->r->finfo.mtime);
195 ctx->finfo.st_ctime = apr_time_sec(ctx->r->finfo.ctime);
196 #endif
197
198 ctx->finfo.st_size = ctx->r->finfo.size;
199 ctx->finfo.st_nlink = ctx->r->finfo.nlink;
200
201 return &ctx->finfo;
202 }
203
204 static char *
php_apache_sapi_read_cookies(TSRMLS_D)205 php_apache_sapi_read_cookies(TSRMLS_D)
206 {
207 php_struct *ctx = SG(server_context);
208 const char *http_cookie;
209
210 http_cookie = apr_table_get(ctx->r->headers_in, "cookie");
211
212 /* The SAPI interface should use 'const char *' */
213 return (char *) http_cookie;
214 }
215
216 static char *
php_apache_sapi_getenv(char * name,size_t name_len TSRMLS_DC)217 php_apache_sapi_getenv(char *name, size_t name_len TSRMLS_DC)
218 {
219 php_struct *ctx = SG(server_context);
220 const char *env_var;
221
222 env_var = apr_table_get(ctx->r->subprocess_env, name);
223
224 return (char *) env_var;
225 }
226
227 static void
php_apache_sapi_register_variables(zval * track_vars_array TSRMLS_DC)228 php_apache_sapi_register_variables(zval *track_vars_array TSRMLS_DC)
229 {
230 php_struct *ctx = SG(server_context);
231 const apr_array_header_t *arr = apr_table_elts(ctx->r->subprocess_env);
232 char *key, *val;
233 unsigned int new_val_len;
234
235 APR_ARRAY_FOREACH_OPEN(arr, key, val)
236 if (!val) {
237 val = "";
238 }
239 if (sapi_module.input_filter(PARSE_SERVER, key, &val, strlen(val), &new_val_len TSRMLS_CC)) {
240 php_register_variable_safe(key, val, new_val_len, track_vars_array TSRMLS_CC);
241 }
242 APR_ARRAY_FOREACH_CLOSE()
243
244 php_register_variable("PHP_SELF", ctx->r->uri, track_vars_array TSRMLS_CC);
245 if (sapi_module.input_filter(PARSE_SERVER, "PHP_SELF", &ctx->r->uri, strlen(ctx->r->uri), &new_val_len TSRMLS_CC)) {
246 php_register_variable_safe("PHP_SELF", ctx->r->uri, new_val_len, track_vars_array TSRMLS_CC);
247 }
248 }
249
250 static void
php_apache_sapi_flush(void * server_context)251 php_apache_sapi_flush(void *server_context)
252 {
253 php_struct *ctx;
254 apr_bucket_brigade *bb;
255 apr_bucket_alloc_t *ba;
256 apr_bucket *b;
257 ap_filter_t *f; /* output filters */
258 TSRMLS_FETCH();
259
260 ctx = server_context;
261
262 /* If we haven't registered a server_context yet,
263 * then don't bother flushing. */
264 if (!server_context)
265 return;
266
267 sapi_send_headers(TSRMLS_C);
268
269 ctx->r->status = SG(sapi_headers).http_response_code;
270 SG(headers_sent) = 1;
271
272 f = ctx->f;
273
274 /* Send a flush bucket down the filter chain. The current default
275 * handler seems to act on the first flush bucket, but ignores
276 * all further flush buckets.
277 */
278
279 ba = ctx->r->connection->bucket_alloc;
280 bb = apr_brigade_create(ctx->r->pool, ba);
281 b = apr_bucket_flush_create(ba);
282 APR_BRIGADE_INSERT_TAIL(bb, b);
283 if (ap_pass_brigade(f->next, bb) != APR_SUCCESS || ctx->r->connection->aborted) {
284 php_handle_aborted_connection();
285 }
286 }
287
php_apache_sapi_log_message(char * msg TSRMLS_DC)288 static void php_apache_sapi_log_message(char *msg TSRMLS_DC)
289 {
290 php_struct *ctx;
291
292 ctx = SG(server_context);
293
294 if (ctx == NULL) { /* we haven't initialized our ctx yet, oh well */
295 ap_log_error(APLOG_MARK, APLOG_ERR | APLOG_STARTUP, 0, NULL, "%s", msg);
296 }
297 else {
298 ap_log_error(APLOG_MARK, APLOG_ERR, 0, ctx->r->server, "%s", msg);
299 }
300 }
301
302 static int
php_apache_disable_caching(ap_filter_t * f)303 php_apache_disable_caching(ap_filter_t *f)
304 {
305 /* Identify PHP scripts as non-cacheable, thus preventing
306 * Apache from sending a 304 status when the browser sends
307 * If-Modified-Since header.
308 */
309 f->r->no_local_copy = 1;
310
311 return OK;
312 }
313
php_apache_sapi_get_request_time(TSRMLS_D)314 static double php_apache_sapi_get_request_time(TSRMLS_D)
315 {
316 php_struct *ctx = SG(server_context);
317 return ((double) apr_time_as_msec(ctx->r->request_time)) / 1000.0;
318 }
319
320 extern zend_module_entry php_apache_module;
321
php_apache2_startup(sapi_module_struct * sapi_module)322 static int php_apache2_startup(sapi_module_struct *sapi_module)
323 {
324 if (php_module_startup(sapi_module, &php_apache_module, 1)==FAILURE) {
325 return FAILURE;
326 }
327 return SUCCESS;
328 }
329
330 static sapi_module_struct apache2_sapi_module = {
331 "apache2filter",
332 "Apache 2.0 Filter",
333
334 php_apache2_startup, /* startup */
335 php_module_shutdown_wrapper, /* shutdown */
336
337 NULL, /* activate */
338 NULL, /* deactivate */
339
340 php_apache_sapi_ub_write, /* unbuffered write */
341 php_apache_sapi_flush, /* flush */
342 php_apache_sapi_get_stat, /* get uid */
343 php_apache_sapi_getenv, /* getenv */
344
345 php_error, /* error handler */
346
347 php_apache_sapi_header_handler, /* header handler */
348 php_apache_sapi_send_headers, /* send headers handler */
349 NULL, /* send header handler */
350
351 php_apache_sapi_read_post, /* read POST data */
352 php_apache_sapi_read_cookies, /* read Cookies */
353
354 php_apache_sapi_register_variables,
355 php_apache_sapi_log_message, /* Log message */
356 php_apache_sapi_get_request_time, /* Get Request Time */
357 NULL, /* Child terminate */
358
359 STANDARD_SAPI_MODULE_PROPERTIES
360 };
361
php_input_filter(ap_filter_t * f,apr_bucket_brigade * bb,ap_input_mode_t mode,apr_read_type_e block,apr_off_t readbytes)362 static int php_input_filter(ap_filter_t *f, apr_bucket_brigade *bb,
363 ap_input_mode_t mode, apr_read_type_e block, apr_off_t readbytes)
364 {
365 php_struct *ctx;
366 apr_status_t rv;
367 TSRMLS_FETCH();
368
369 if (f->r->proxyreq) {
370 return ap_get_brigade(f->next, bb, mode, block, readbytes);
371 }
372
373 ctx = SG(server_context);
374 if (ctx == NULL) {
375 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, f->r,
376 "php failed to get server context");
377 return HTTP_INTERNAL_SERVER_ERROR;
378 }
379
380 if ((rv = ap_get_brigade(f->next, bb, mode, block, readbytes)) != APR_SUCCESS) {
381 return rv;
382 }
383
384 if (!ctx->post_data) {
385 ctx->post_data = apr_brigade_create(f->r->pool, f->c->bucket_alloc);
386 }
387 if ((rv = ap_save_brigade(f, &ctx->post_data, &bb, f->r->pool)) != APR_SUCCESS) {
388 return rv;
389 }
390 apr_brigade_cleanup(bb);
391 APR_BRIGADE_INSERT_TAIL(bb, apr_bucket_eos_create(bb->bucket_alloc));
392
393 return APR_SUCCESS;
394 }
395
php_apache_request_ctor(ap_filter_t * f,php_struct * ctx TSRMLS_DC)396 static void php_apache_request_ctor(ap_filter_t *f, php_struct *ctx TSRMLS_DC)
397 {
398 char *content_type;
399 char *content_length;
400 const char *auth;
401
402 PG(during_request_startup) = 0;
403 SG(sapi_headers).http_response_code = !f->r->status ? HTTP_OK : f->r->status;
404 SG(request_info).content_type = apr_table_get(f->r->headers_in, "Content-Type");
405 #undef safe_strdup
406 #define safe_strdup(x) ((x)?strdup((x)):NULL)
407 SG(request_info).query_string = safe_strdup(f->r->args);
408 SG(request_info).request_method = f->r->method;
409 SG(request_info).proto_num = f->r->proto_num;
410 SG(request_info).request_uri = safe_strdup(f->r->uri);
411 SG(request_info).path_translated = safe_strdup(f->r->filename);
412 f->r->no_local_copy = 1;
413 content_type = sapi_get_default_content_type(TSRMLS_C);
414 f->r->content_type = apr_pstrdup(f->r->pool, content_type);
415
416 efree(content_type);
417
418 content_length = (char *) apr_table_get(f->r->headers_in, "Content-Length");
419 SG(request_info).content_length = (content_length ? atol(content_length) : 0);
420
421 apr_table_unset(f->r->headers_out, "Content-Length");
422 apr_table_unset(f->r->headers_out, "Last-Modified");
423 apr_table_unset(f->r->headers_out, "Expires");
424 apr_table_unset(f->r->headers_out, "ETag");
425
426 auth = apr_table_get(f->r->headers_in, "Authorization");
427 php_handle_auth_data(auth TSRMLS_CC);
428
429 if (SG(request_info).auth_user == NULL && f->r->user) {
430 SG(request_info).auth_user = estrdup(f->r->user);
431 }
432
433 ctx->r->user = apr_pstrdup(ctx->r->pool, SG(request_info).auth_user);
434
435 php_request_startup(TSRMLS_C);
436 }
437
php_apache_request_dtor(ap_filter_t * f TSRMLS_DC)438 static void php_apache_request_dtor(ap_filter_t *f TSRMLS_DC)
439 {
440 php_apr_bucket_brigade *pbb = (php_apr_bucket_brigade *)f->ctx;
441
442 php_request_shutdown(NULL);
443
444 if (SG(request_info).query_string) {
445 free(SG(request_info).query_string);
446 }
447 if (SG(request_info).request_uri) {
448 free(SG(request_info).request_uri);
449 }
450 if (SG(request_info).path_translated) {
451 free(SG(request_info).path_translated);
452 }
453
454 apr_brigade_destroy(pbb->bb);
455 }
456
php_output_filter(ap_filter_t * f,apr_bucket_brigade * bb)457 static int php_output_filter(ap_filter_t *f, apr_bucket_brigade *bb)
458 {
459 php_struct *ctx;
460 void *conf = ap_get_module_config(f->r->per_dir_config, &php5_module);
461 char *p = get_php_config(conf, "engine", sizeof("engine"));
462 zend_file_handle zfd;
463 php_apr_bucket_brigade *pbb;
464 apr_bucket *b;
465 TSRMLS_FETCH();
466
467 if (f->r->proxyreq) {
468 zend_try {
469 zend_ini_deactivate(TSRMLS_C);
470 } zend_end_try();
471 return ap_pass_brigade(f->next, bb);
472 }
473
474 /* handle situations where user turns the engine off */
475 if (*p == '0') {
476 zend_try {
477 zend_ini_deactivate(TSRMLS_C);
478 } zend_end_try();
479 return ap_pass_brigade(f->next, bb);
480 }
481
482 if(f->ctx) {
483 pbb = (php_apr_bucket_brigade *)f->ctx;
484 } else {
485 pbb = f->ctx = apr_palloc(f->r->pool, sizeof(*pbb));
486 pbb->bb = apr_brigade_create(f->r->pool, f->c->bucket_alloc);
487 }
488
489 if(ap_save_brigade(NULL, &pbb->bb, &bb, f->r->pool) != APR_SUCCESS) {
490 /* Bad */
491 }
492
493 apr_brigade_cleanup(bb);
494
495 /* Check to see if the last bucket in this brigade, it not
496 * we have to wait until then. */
497 if(!APR_BUCKET_IS_EOS(APR_BRIGADE_LAST(pbb->bb))) {
498 return 0;
499 }
500
501 /* Setup the CGI variables if this is the main request.. */
502 if (f->r->main == NULL ||
503 /* .. or if the sub-request envinronment differs from the main-request. */
504 f->r->subprocess_env != f->r->main->subprocess_env
505 ) {
506 /* setup standard CGI variables */
507 ap_add_common_vars(f->r);
508 ap_add_cgi_vars(f->r);
509 }
510
511 ctx = SG(server_context);
512 if (ctx == NULL) {
513 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, f->r,
514 "php failed to get server context");
515 zend_try {
516 zend_ini_deactivate(TSRMLS_C);
517 } zend_end_try();
518 return HTTP_INTERNAL_SERVER_ERROR;
519 }
520
521 ctx->f = f->next; /* save whatever filters are after us in the chain. */
522
523 if (ctx->request_processed) {
524 zend_try {
525 zend_ini_deactivate(TSRMLS_C);
526 } zend_end_try();
527 return ap_pass_brigade(f->next, bb);
528 }
529
530 apply_config(conf);
531 php_apache_request_ctor(f, ctx TSRMLS_CC);
532
533 /* It'd be nice if we could highlight based of a zend_file_handle here....
534 * ...but we can't. */
535
536 zfd.type = ZEND_HANDLE_STREAM;
537
538 zfd.handle.stream.handle = pbb;
539 zfd.handle.stream.reader = php_apache_read_stream;
540 zfd.handle.stream.closer = NULL;
541 zfd.handle.stream.fsizer = php_apache_fsizer_stream;
542 zfd.handle.stream.isatty = 0;
543
544 zfd.filename = f->r->filename;
545 zfd.opened_path = NULL;
546 zfd.free_filename = 0;
547
548 php_execute_script(&zfd TSRMLS_CC);
549
550 apr_table_set(ctx->r->notes, "mod_php_memory_usage",
551 apr_psprintf(ctx->r->pool, "%lu", (unsigned long) zend_memory_peak_usage(1 TSRMLS_CC)));
552
553 php_apache_request_dtor(f TSRMLS_CC);
554
555 if (!f->r->main) {
556 ctx->request_processed = 1;
557 }
558
559 b = apr_bucket_eos_create(f->c->bucket_alloc);
560 APR_BRIGADE_INSERT_TAIL(pbb->bb, b);
561
562 /* Pass whatever is left on the brigade. */
563 return ap_pass_brigade(f->next, pbb->bb);
564 }
565
566 static apr_status_t
php_apache_server_shutdown(void * tmp)567 php_apache_server_shutdown(void *tmp)
568 {
569 apache2_sapi_module.shutdown(&apache2_sapi_module);
570 sapi_shutdown();
571 #ifdef ZTS
572 tsrm_shutdown();
573 #endif
574 return APR_SUCCESS;
575 }
576
php_apache_add_version(apr_pool_t * p)577 static void php_apache_add_version(apr_pool_t *p)
578 {
579 TSRMLS_FETCH();
580 if (PG(expose_php)) {
581 ap_add_version_component(p, "PHP/" PHP_VERSION);
582 }
583 }
584
php_pre_config(apr_pool_t * pconf,apr_pool_t * plog,apr_pool_t * ptemp)585 static int php_pre_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp)
586 {
587 #ifndef ZTS
588 int threaded_mpm;
589
590 ap_mpm_query(AP_MPMQ_IS_THREADED, &threaded_mpm);
591 if(threaded_mpm) {
592 ap_log_error(APLOG_MARK, APLOG_CRIT, 0, 0, "Apache is running a threaded MPM, but your PHP Module is not compiled to be threadsafe. You need to recompile PHP.");
593 return DONE;
594 }
595 #endif
596 /* When this is NULL, apache won't override the hard-coded default
597 * php.ini path setting. */
598 apache2_php_ini_path_override = NULL;
599 return OK;
600 }
601
602 static int
php_apache_server_startup(apr_pool_t * pconf,apr_pool_t * plog,apr_pool_t * ptemp,server_rec * s)603 php_apache_server_startup(apr_pool_t *pconf, apr_pool_t *plog,
604 apr_pool_t *ptemp, server_rec *s)
605 {
606 void *data = NULL;
607 const char *userdata_key = "apache2filter_post_config";
608
609 /* Apache will load, unload and then reload a DSO module. This
610 * prevents us from starting PHP until the second load. */
611 apr_pool_userdata_get(&data, userdata_key, s->process->pool);
612 if (data == NULL) {
613 /* We must use set() here and *not* setn(), otherwise the
614 * static string pointed to by userdata_key will be mapped
615 * to a different location when the DSO is reloaded and the
616 * pointers won't match, causing get() to return NULL when
617 * we expected it to return non-NULL. */
618 apr_pool_userdata_set((const void *)1, userdata_key,
619 apr_pool_cleanup_null, s->process->pool);
620 return OK;
621 }
622
623 /* Set up our overridden path. */
624 if (apache2_php_ini_path_override) {
625 apache2_sapi_module.php_ini_path_override = apache2_php_ini_path_override;
626 }
627 #ifdef ZTS
628 tsrm_startup(1, 1, 0, NULL);
629 #endif
630 sapi_startup(&apache2_sapi_module);
631 apache2_sapi_module.startup(&apache2_sapi_module);
632 apr_pool_cleanup_register(pconf, NULL, php_apache_server_shutdown, apr_pool_cleanup_null);
633 php_apache_add_version(pconf);
634
635 return OK;
636 }
637
php_add_filter(request_rec * r,ap_filter_t * f)638 static void php_add_filter(request_rec *r, ap_filter_t *f)
639 {
640 int output = (f == r->output_filters);
641
642 /* for those who still have Set*Filter PHP configured */
643 while (f) {
644 if (strcmp(f->frec->name, "PHP") == 0) {
645 ap_log_error(APLOG_MARK, APLOG_WARNING,
646 0, r->server,
647 "\"Set%sFilter PHP\" already configured for %s",
648 output ? "Output" : "Input", r->uri);
649 return;
650 }
651 f = f->next;
652 }
653
654 if (output) {
655 ap_add_output_filter("PHP", NULL, r, r->connection);
656 } else {
657 ap_add_input_filter("PHP", NULL, r, r->connection);
658 }
659 }
660
php_insert_filter(request_rec * r)661 static void php_insert_filter(request_rec *r)
662 {
663 int content_type_len = strlen("application/x-httpd-php");
664
665 if (r->content_type && !strncmp(r->content_type, "application/x-httpd-php", content_type_len-1)) {
666 if (r->content_type[content_type_len] == '\0' || !strncmp(r->content_type+content_type_len, "-source", sizeof("-source"))) {
667 php_add_filter(r, r->output_filters);
668 php_add_filter(r, r->input_filters);
669 }
670 }
671 }
672
php_server_context_cleanup(void * data_)673 static apr_status_t php_server_context_cleanup(void *data_)
674 {
675 void **data = data_;
676 *data = NULL;
677 return APR_SUCCESS;
678 }
679
php_post_read_request(request_rec * r)680 static int php_post_read_request(request_rec *r)
681 {
682 php_struct *ctx;
683 TSRMLS_FETCH();
684
685 /* Initialize filter context */
686 SG(server_context) = ctx = apr_pcalloc(r->pool, sizeof(*ctx));
687
688 /* register a cleanup so we clear out the SG(server_context)
689 * after each request. Note: We pass in the pointer to the
690 * server_context in case this is handled by a different thread. */
691 apr_pool_cleanup_register(r->pool, (void *)&SG(server_context),
692 php_server_context_cleanup,
693 apr_pool_cleanup_null);
694
695 /* Save the entire request, so we can get the input or output
696 * filters if we need them. */
697 ctx->r = r;
698
699 return OK;
700 }
701
php_register_hook(apr_pool_t * p)702 static void php_register_hook(apr_pool_t *p)
703 {
704 ap_hook_pre_config(php_pre_config, NULL, NULL, APR_HOOK_MIDDLE);
705 ap_hook_post_config(php_apache_server_startup, NULL, NULL, APR_HOOK_MIDDLE);
706 ap_hook_insert_filter(php_insert_filter, NULL, NULL, APR_HOOK_MIDDLE);
707 ap_hook_post_read_request(php_post_read_request, NULL, NULL, APR_HOOK_MIDDLE);
708 ap_register_output_filter("PHP", php_output_filter, php_apache_disable_caching, AP_FTYPE_RESOURCE);
709 ap_register_input_filter("PHP", php_input_filter, php_apache_disable_caching, AP_FTYPE_RESOURCE);
710 }
711
php_apache_read_stream(void * handle,char * buf,size_t wantlen TSRMLS_DC)712 static size_t php_apache_read_stream(void *handle, char *buf, size_t wantlen TSRMLS_DC)
713 {
714 php_apr_bucket_brigade *pbb = (php_apr_bucket_brigade *)handle;
715 apr_bucket_brigade *rbb;
716 apr_size_t readlen;
717 apr_bucket *b = NULL;
718
719 rbb = pbb->bb;
720
721 if((apr_brigade_partition(pbb->bb, wantlen, &b) == APR_SUCCESS) && b){
722 pbb->bb = apr_brigade_split(rbb, b);
723 }
724
725 readlen = wantlen;
726 apr_brigade_flatten(rbb, buf, &readlen);
727 apr_brigade_cleanup(rbb);
728
729 return readlen;
730 }
731
php_apache_fsizer_stream(void * handle TSRMLS_DC)732 static size_t php_apache_fsizer_stream(void *handle TSRMLS_DC)
733 {
734 php_apr_bucket_brigade *pbb = (php_apr_bucket_brigade *)handle;
735 apr_off_t actual = 0;
736
737 if (apr_brigade_length(pbb->bb, 1, &actual) == APR_SUCCESS) {
738 return actual;
739 }
740
741 return 0;
742 }
743
744 AP_MODULE_DECLARE_DATA module php5_module = {
745 STANDARD20_MODULE_STUFF,
746 create_php_config, /* create per-directory config structure */
747 merge_php_config, /* merge per-directory config structures */
748 NULL, /* create per-server config structure */
749 NULL, /* merge per-server config structures */
750 php_dir_cmds, /* command apr_table_t */
751 php_register_hook /* register hooks */
752 };
753
754 /*
755 * Local variables:
756 * tab-width: 4
757 * c-basic-offset: 4
758 * End:
759 * vim600: sw=4 ts=4 fdm=marker
760 * vim<600: sw=4 ts=4
761 */
762
