1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2013 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 ap_filter_t *f;
98 char *val, *ptr;
99
100 ctx = SG(server_context);
101 f = ctx->r->output_filters;
102
103 switch(op) {
104 case SAPI_HEADER_DELETE:
105 apr_table_unset(ctx->r->headers_out, sapi_header->header);
106 return 0;
107
108 case SAPI_HEADER_DELETE_ALL:
109 apr_table_clear(ctx->r->headers_out);
110 return 0;
111
112 case SAPI_HEADER_ADD:
113 case SAPI_HEADER_REPLACE:
114 val = strchr(sapi_header->header, ':');
115
116 if (!val) {
117 sapi_free_header(sapi_header);
118 return 0;
119 }
120 ptr = val;
121
122 *val = '\0';
123
124 do {
125 val++;
126 } while (*val == ' ');
127
128 if (!strcasecmp(sapi_header->header, "content-type"))
129 ctx->r->content_type = apr_pstrdup(ctx->r->pool, val);
130 else if (!strcasecmp(sapi_header->header, "content-length"))
131 ap_set_content_length(ctx->r, strtol(val, (char **)NULL, 10));
132 else if (op == SAPI_HEADER_REPLACE)
133 apr_table_set(ctx->r->headers_out, sapi_header->header, val);
134 else
135 apr_table_add(ctx->r->headers_out, sapi_header->header, val);
136
137 *ptr = ':';
138 return SAPI_HEADER_ADD;
139
140 default:
141 return 0;
142 }
143 }
144
145 static int
php_apache_sapi_send_headers(sapi_headers_struct * sapi_headers TSRMLS_DC)146 php_apache_sapi_send_headers(sapi_headers_struct *sapi_headers TSRMLS_DC)
147 {
148 php_struct *ctx = SG(server_context);
149
150 ctx->r->status = SG(sapi_headers).http_response_code;
151
152 return SAPI_HEADER_SENT_SUCCESSFULLY;
153 }
154
155 static int
php_apache_sapi_read_post(char * buf,uint count_bytes TSRMLS_DC)156 php_apache_sapi_read_post(char *buf, uint count_bytes TSRMLS_DC)
157 {
158 int n;
159 int to_read;
160 php_struct *ctx = SG(server_context);
161
162 to_read = ctx->post_len - ctx->post_idx;
163 n = MIN(to_read, count_bytes);
164
165 if (n > 0) {
166 memcpy(buf, ctx->post_data + ctx->post_idx, n);
167 ctx->post_idx += n;
168 } else {
169 if (ctx->post_data) free(ctx->post_data);
170 ctx->post_data = NULL;
171 }
172
173 return n;
174 }
175
176 static struct stat*
php_apache_sapi_get_stat(TSRMLS_D)177 php_apache_sapi_get_stat(TSRMLS_D)
178 {
179 php_struct *ctx = SG(server_context);
180
181 ctx->finfo.st_uid = ctx->r->finfo.user;
182 ctx->finfo.st_gid = ctx->r->finfo.group;
183 ctx->finfo.st_dev = ctx->r->finfo.device;
184 ctx->finfo.st_ino = ctx->r->finfo.inode;
185 #ifdef NETWARE
186 ctx->finfo.st_atime.tv_sec = apr_time_sec(ctx->r->finfo.atime);
187 ctx->finfo.st_mtime.tv_sec = apr_time_sec(ctx->r->finfo.mtime);
188 ctx->finfo.st_ctime.tv_sec = apr_time_sec(ctx->r->finfo.ctime);
189 #else
190 ctx->finfo.st_atime = apr_time_sec(ctx->r->finfo.atime);
191 ctx->finfo.st_mtime = apr_time_sec(ctx->r->finfo.mtime);
192 ctx->finfo.st_ctime = apr_time_sec(ctx->r->finfo.ctime);
193 #endif
194
195 ctx->finfo.st_size = ctx->r->finfo.size;
196 ctx->finfo.st_nlink = ctx->r->finfo.nlink;
197
198 return &ctx->finfo;
199 }
200
201 static char *
php_apache_sapi_read_cookies(TSRMLS_D)202 php_apache_sapi_read_cookies(TSRMLS_D)
203 {
204 php_struct *ctx = SG(server_context);
205 const char *http_cookie;
206
207 http_cookie = apr_table_get(ctx->r->headers_in, "cookie");
208
209 /* The SAPI interface should use 'const char *' */
210 return (char *) http_cookie;
211 }
212
213 static char *
php_apache_sapi_getenv(char * name,size_t name_len TSRMLS_DC)214 php_apache_sapi_getenv(char *name, size_t name_len TSRMLS_DC)
215 {
216 php_struct *ctx = SG(server_context);
217 const char *env_var;
218
219 env_var = apr_table_get(ctx->r->subprocess_env, name);
220
221 return (char *) env_var;
222 }
223
224 static void
php_apache_sapi_register_variables(zval * track_vars_array TSRMLS_DC)225 php_apache_sapi_register_variables(zval *track_vars_array TSRMLS_DC)
226 {
227 php_struct *ctx = SG(server_context);
228 const apr_array_header_t *arr = apr_table_elts(ctx->r->subprocess_env);
229 char *key, *val;
230 unsigned int new_val_len;
231
232 APR_ARRAY_FOREACH_OPEN(arr, key, val)
233 if (!val) {
234 val = "";
235 }
236 if (sapi_module.input_filter(PARSE_SERVER, key, &val, strlen(val), &new_val_len TSRMLS_CC)) {
237 php_register_variable_safe(key, val, new_val_len, track_vars_array TSRMLS_CC);
238 }
239 APR_ARRAY_FOREACH_CLOSE()
240
241 php_register_variable("PHP_SELF", ctx->r->uri, track_vars_array TSRMLS_CC);
242 if (sapi_module.input_filter(PARSE_SERVER, "PHP_SELF", &ctx->r->uri, strlen(ctx->r->uri), &new_val_len TSRMLS_CC)) {
243 php_register_variable_safe("PHP_SELF", ctx->r->uri, new_val_len, track_vars_array TSRMLS_CC);
244 }
245 }
246
247 static void
php_apache_sapi_flush(void * server_context)248 php_apache_sapi_flush(void *server_context)
249 {
250 php_struct *ctx;
251 apr_bucket_brigade *bb;
252 apr_bucket_alloc_t *ba;
253 apr_bucket *b;
254 ap_filter_t *f; /* output filters */
255 TSRMLS_FETCH();
256
257 ctx = server_context;
258
259 /* If we haven't registered a server_context yet,
260 * then don't bother flushing. */
261 if (!server_context)
262 return;
263
264 sapi_send_headers(TSRMLS_C);
265
266 ctx->r->status = SG(sapi_headers).http_response_code;
267 SG(headers_sent) = 1;
268
269 f = ctx->f;
270
271 /* Send a flush bucket down the filter chain. The current default
272 * handler seems to act on the first flush bucket, but ignores
273 * all further flush buckets.
274 */
275
276 ba = ctx->r->connection->bucket_alloc;
277 bb = apr_brigade_create(ctx->r->pool, ba);
278 b = apr_bucket_flush_create(ba);
279 APR_BRIGADE_INSERT_TAIL(bb, b);
280 if (ap_pass_brigade(f->next, bb) != APR_SUCCESS || ctx->r->connection->aborted) {
281 php_handle_aborted_connection();
282 }
283 }
284
php_apache_sapi_log_message(char * msg)285 static void php_apache_sapi_log_message(char *msg)
286 {
287 php_struct *ctx;
288 TSRMLS_FETCH();
289
290 ctx = SG(server_context);
291
292 if (ctx == NULL) { /* we haven't initialized our ctx yet, oh well */
293 ap_log_error(APLOG_MARK, APLOG_ERR | APLOG_STARTUP, 0, NULL, "%s", msg);
294 }
295 else {
296 ap_log_error(APLOG_MARK, APLOG_ERR, 0, ctx->r->server, "%s", msg);
297 }
298 }
299
300 static int
php_apache_disable_caching(ap_filter_t * f)301 php_apache_disable_caching(ap_filter_t *f)
302 {
303 /* Identify PHP scripts as non-cacheable, thus preventing
304 * Apache from sending a 304 status when the browser sends
305 * If-Modified-Since header.
306 */
307 f->r->no_local_copy = 1;
308
309 return OK;
310 }
311
php_apache_sapi_get_request_time(TSRMLS_D)312 static time_t php_apache_sapi_get_request_time(TSRMLS_D)
313 {
314 php_struct *ctx = SG(server_context);
315 return apr_time_sec(ctx->r->request_time);
316 }
317
318 extern zend_module_entry php_apache_module;
319
php_apache2_startup(sapi_module_struct * sapi_module)320 static int php_apache2_startup(sapi_module_struct *sapi_module)
321 {
322 if (php_module_startup(sapi_module, &php_apache_module, 1)==FAILURE) {
323 return FAILURE;
324 }
325 return SUCCESS;
326 }
327
328 static sapi_module_struct apache2_sapi_module = {
329 "apache2filter",
330 "Apache 2.0 Filter",
331
332 php_apache2_startup, /* startup */
333 php_module_shutdown_wrapper, /* shutdown */
334
335 NULL, /* activate */
336 NULL, /* deactivate */
337
338 php_apache_sapi_ub_write, /* unbuffered write */
339 php_apache_sapi_flush, /* flush */
340 php_apache_sapi_get_stat, /* get uid */
341 php_apache_sapi_getenv, /* getenv */
342
343 php_error, /* error handler */
344
345 php_apache_sapi_header_handler, /* header handler */
346 php_apache_sapi_send_headers, /* send headers handler */
347 NULL, /* send header handler */
348
349 php_apache_sapi_read_post, /* read POST data */
350 php_apache_sapi_read_cookies, /* read Cookies */
351
352 php_apache_sapi_register_variables,
353 php_apache_sapi_log_message, /* Log message */
354 php_apache_sapi_get_request_time, /* Get Request Time */
355 NULL, /* Child terminate */
356
357 STANDARD_SAPI_MODULE_PROPERTIES
358 };
359
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)360 static int php_input_filter(ap_filter_t *f, apr_bucket_brigade *bb,
361 ap_input_mode_t mode, apr_read_type_e block, apr_off_t readbytes)
362 {
363 php_struct *ctx;
364 long old_index;
365 apr_bucket *b;
366 const char *str;
367 apr_size_t n;
368 apr_status_t rv;
369 TSRMLS_FETCH();
370
371 if (f->r->proxyreq) {
372 return ap_get_brigade(f->next, bb, mode, block, readbytes);
373 }
374
375 ctx = SG(server_context);
376 if (ctx == NULL) {
377 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, f->r,
378 "php failed to get server context");
379 return HTTP_INTERNAL_SERVER_ERROR;
380 }
381
382 if ((rv = ap_get_brigade(f->next, bb, mode, block, readbytes)) != APR_SUCCESS) {
383 return rv;
384 }
385
386 for (b = APR_BRIGADE_FIRST(bb); b != APR_BRIGADE_SENTINEL(bb); b = APR_BUCKET_NEXT(b)) {
387 apr_bucket_read(b, &str, &n, APR_NONBLOCK_READ);
388 if (n > 0) {
389 old_index = ctx->post_len;
390 ctx->post_len += n;
391 ctx->post_data = realloc(ctx->post_data, ctx->post_len + 1);
392 memcpy(ctx->post_data + old_index, str, n);
393 }
394 }
395 return APR_SUCCESS;
396 }
397
php_apache_request_ctor(ap_filter_t * f,php_struct * ctx TSRMLS_DC)398 static void php_apache_request_ctor(ap_filter_t *f, php_struct *ctx TSRMLS_DC)
399 {
400 char *content_type;
401 char *content_length;
402 const char *auth;
403
404 PG(during_request_startup) = 0;
405 SG(sapi_headers).http_response_code = !f->r->status ? HTTP_OK : f->r->status;
406 SG(request_info).content_type = apr_table_get(f->r->headers_in, "Content-Type");
407 #undef safe_strdup
408 #define safe_strdup(x) ((x)?strdup((x)):NULL)
409 SG(request_info).query_string = safe_strdup(f->r->args);
410 SG(request_info).request_method = f->r->method;
411 SG(request_info).proto_num = f->r->proto_num;
412 SG(request_info).request_uri = safe_strdup(f->r->uri);
413 SG(request_info).path_translated = safe_strdup(f->r->filename);
414 f->r->no_local_copy = 1;
415 content_type = sapi_get_default_content_type(TSRMLS_C);
416 f->r->content_type = apr_pstrdup(f->r->pool, content_type);
417 SG(request_info).post_data = ctx->post_data;
418 SG(request_info).post_data_length = ctx->post_len;
419
420 efree(content_type);
421
422 content_length = (char *) apr_table_get(f->r->headers_in, "Content-Length");
423 SG(request_info).content_length = (content_length ? atol(content_length) : 0);
424
425 apr_table_unset(f->r->headers_out, "Content-Length");
426 apr_table_unset(f->r->headers_out, "Last-Modified");
427 apr_table_unset(f->r->headers_out, "Expires");
428 apr_table_unset(f->r->headers_out, "ETag");
429 if (!PG(safe_mode) || (PG(safe_mode) && !ap_auth_type(f->r))) {
430 auth = apr_table_get(f->r->headers_in, "Authorization");
431 php_handle_auth_data(auth TSRMLS_CC);
432 if (SG(request_info).auth_user == NULL && f->r->user) {
433 SG(request_info).auth_user = estrdup(f->r->user);
434 }
435 ctx->r->user = apr_pstrdup(ctx->r->pool, SG(request_info).auth_user);
436 } else {
437 SG(request_info).auth_user = NULL;
438 SG(request_info).auth_password = NULL;
439 }
440 php_request_startup(TSRMLS_C);
441 }
442
php_apache_request_dtor(ap_filter_t * f TSRMLS_DC)443 static void php_apache_request_dtor(ap_filter_t *f TSRMLS_DC)
444 {
445 php_apr_bucket_brigade *pbb = (php_apr_bucket_brigade *)f->ctx;
446
447 php_request_shutdown(NULL);
448
449 if (SG(request_info).query_string) {
450 free(SG(request_info).query_string);
451 }
452 if (SG(request_info).request_uri) {
453 free(SG(request_info).request_uri);
454 }
455 if (SG(request_info).path_translated) {
456 free(SG(request_info).path_translated);
457 }
458
459 apr_brigade_destroy(pbb->bb);
460 }
461
php_output_filter(ap_filter_t * f,apr_bucket_brigade * bb)462 static int php_output_filter(ap_filter_t *f, apr_bucket_brigade *bb)
463 {
464 php_struct *ctx;
465 void *conf = ap_get_module_config(f->r->per_dir_config, &php5_module);
466 char *p = get_php_config(conf, "engine", sizeof("engine"));
467 zend_file_handle zfd;
468 php_apr_bucket_brigade *pbb;
469 apr_bucket *b;
470 TSRMLS_FETCH();
471
472 if (f->r->proxyreq) {
473 zend_try {
474 zend_ini_deactivate(TSRMLS_C);
475 } zend_end_try();
476 return ap_pass_brigade(f->next, bb);
477 }
478
479 /* handle situations where user turns the engine off */
480 if (*p == '0') {
481 zend_try {
482 zend_ini_deactivate(TSRMLS_C);
483 } zend_end_try();
484 return ap_pass_brigade(f->next, bb);
485 }
486
487 if(f->ctx) {
488 pbb = (php_apr_bucket_brigade *)f->ctx;
489 } else {
490 pbb = f->ctx = apr_palloc(f->r->pool, sizeof(*pbb));
491 pbb->bb = apr_brigade_create(f->r->pool, f->c->bucket_alloc);
492 }
493
494 if(ap_save_brigade(NULL, &pbb->bb, &bb, f->r->pool) != APR_SUCCESS) {
495 /* Bad */
496 }
497
498 apr_brigade_cleanup(bb);
499
500 /* Check to see if the last bucket in this brigade, it not
501 * we have to wait until then. */
502 if(!APR_BUCKET_IS_EOS(APR_BRIGADE_LAST(pbb->bb))) {
503 return 0;
504 }
505
506 /* Setup the CGI variables if this is the main request.. */
507 if (f->r->main == NULL ||
508 /* .. or if the sub-request envinronment differs from the main-request. */
509 f->r->subprocess_env != f->r->main->subprocess_env
510 ) {
511 /* setup standard CGI variables */
512 ap_add_common_vars(f->r);
513 ap_add_cgi_vars(f->r);
514 }
515
516 ctx = SG(server_context);
517 if (ctx == NULL) {
518 ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, f->r,
519 "php failed to get server context");
520 zend_try {
521 zend_ini_deactivate(TSRMLS_C);
522 } zend_end_try();
523 return HTTP_INTERNAL_SERVER_ERROR;
524 }
525
526 ctx->f = f->next; /* save whatever filters are after us in the chain. */
527
528 if (ctx->request_processed) {
529 zend_try {
530 zend_ini_deactivate(TSRMLS_C);
531 } zend_end_try();
532 return ap_pass_brigade(f->next, bb);
533 }
534
535 apply_config(conf);
536 php_apache_request_ctor(f, ctx TSRMLS_CC);
537
538 /* It'd be nice if we could highlight based of a zend_file_handle here....
539 * ...but we can't. */
540
541 zfd.type = ZEND_HANDLE_STREAM;
542
543 zfd.handle.stream.handle = pbb;
544 zfd.handle.stream.reader = php_apache_read_stream;
545 zfd.handle.stream.closer = NULL;
546 zfd.handle.stream.fsizer = php_apache_fsizer_stream;
547 zfd.handle.stream.isatty = 0;
548
549 zfd.filename = f->r->filename;
550 zfd.opened_path = NULL;
551 zfd.free_filename = 0;
552
553 php_execute_script(&zfd TSRMLS_CC);
554
555 apr_table_set(ctx->r->notes, "mod_php_memory_usage",
556 apr_psprintf(ctx->r->pool, "%u", zend_memory_peak_usage(1 TSRMLS_CC)));
557
558 php_apache_request_dtor(f TSRMLS_CC);
559
560 if (!f->r->main) {
561 ctx->request_processed = 1;
562 }
563
564 b = apr_bucket_eos_create(f->c->bucket_alloc);
565 APR_BRIGADE_INSERT_TAIL(pbb->bb, b);
566
567 /* Pass whatever is left on the brigade. */
568 return ap_pass_brigade(f->next, pbb->bb);
569 }
570
571 static apr_status_t
php_apache_server_shutdown(void * tmp)572 php_apache_server_shutdown(void *tmp)
573 {
574 apache2_sapi_module.shutdown(&apache2_sapi_module);
575 sapi_shutdown();
576 #ifdef ZTS
577 tsrm_shutdown();
578 #endif
579 return APR_SUCCESS;
580 }
581
php_apache_add_version(apr_pool_t * p)582 static void php_apache_add_version(apr_pool_t *p)
583 {
584 TSRMLS_FETCH();
585 if (PG(expose_php)) {
586 ap_add_version_component(p, "PHP/" PHP_VERSION);
587 }
588 }
589
php_pre_config(apr_pool_t * pconf,apr_pool_t * plog,apr_pool_t * ptemp)590 static int php_pre_config(apr_pool_t *pconf, apr_pool_t *plog, apr_pool_t *ptemp)
591 {
592 #ifndef ZTS
593 int threaded_mpm;
594
595 ap_mpm_query(AP_MPMQ_IS_THREADED, &threaded_mpm);
596 if(threaded_mpm) {
597 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.");
598 return DONE;
599 }
600 #endif
601 /* When this is NULL, apache won't override the hard-coded default
602 * php.ini path setting. */
603 apache2_php_ini_path_override = NULL;
604 return OK;
605 }
606
607 static int
php_apache_server_startup(apr_pool_t * pconf,apr_pool_t * plog,apr_pool_t * ptemp,server_rec * s)608 php_apache_server_startup(apr_pool_t *pconf, apr_pool_t *plog,
609 apr_pool_t *ptemp, server_rec *s)
610 {
611 void *data = NULL;
612 const char *userdata_key = "apache2filter_post_config";
613
614 /* Apache will load, unload and then reload a DSO module. This
615 * prevents us from starting PHP until the second load. */
616 apr_pool_userdata_get(&data, userdata_key, s->process->pool);
617 if (data == NULL) {
618 /* We must use set() here and *not* setn(), otherwise the
619 * static string pointed to by userdata_key will be mapped
620 * to a different location when the DSO is reloaded and the
621 * pointers won't match, causing get() to return NULL when
622 * we expected it to return non-NULL. */
623 apr_pool_userdata_set((const void *)1, userdata_key,
624 apr_pool_cleanup_null, s->process->pool);
625 return OK;
626 }
627
628 /* Set up our overridden path. */
629 if (apache2_php_ini_path_override) {
630 apache2_sapi_module.php_ini_path_override = apache2_php_ini_path_override;
631 }
632 #ifdef ZTS
633 tsrm_startup(1, 1, 0, NULL);
634 #endif
635 sapi_startup(&apache2_sapi_module);
636 apache2_sapi_module.startup(&apache2_sapi_module);
637 apr_pool_cleanup_register(pconf, NULL, php_apache_server_shutdown, apr_pool_cleanup_null);
638 php_apache_add_version(pconf);
639
640 return OK;
641 }
642
php_add_filter(request_rec * r,ap_filter_t * f)643 static void php_add_filter(request_rec *r, ap_filter_t *f)
644 {
645 int output = (f == r->output_filters);
646
647 /* for those who still have Set*Filter PHP configured */
648 while (f) {
649 if (strcmp(f->frec->name, "PHP") == 0) {
650 ap_log_error(APLOG_MARK, APLOG_WARNING,
651 0, r->server,
652 "\"Set%sFilter PHP\" already configured for %s",
653 output ? "Output" : "Input", r->uri);
654 return;
655 }
656 f = f->next;
657 }
658
659 if (output) {
660 ap_add_output_filter("PHP", NULL, r, r->connection);
661 } else {
662 ap_add_input_filter("PHP", NULL, r, r->connection);
663 }
664 }
665
php_insert_filter(request_rec * r)666 static void php_insert_filter(request_rec *r)
667 {
668 int content_type_len = strlen("application/x-httpd-php");
669
670 if (r->content_type && !strncmp(r->content_type, "application/x-httpd-php", content_type_len-1)) {
671 if (r->content_type[content_type_len] == '\0' || !strncmp(r->content_type+content_type_len, "-source", sizeof("-source"))) {
672 php_add_filter(r, r->output_filters);
673 php_add_filter(r, r->input_filters);
674 }
675 }
676 }
677
php_server_context_cleanup(void * data_)678 static apr_status_t php_server_context_cleanup(void *data_)
679 {
680 void **data = data_;
681 *data = NULL;
682 return APR_SUCCESS;
683 }
684
php_post_read_request(request_rec * r)685 static int php_post_read_request(request_rec *r)
686 {
687 php_struct *ctx;
688 TSRMLS_FETCH();
689
690 /* Initialize filter context */
691 SG(server_context) = ctx = apr_pcalloc(r->pool, sizeof(*ctx));
692
693 /* register a cleanup so we clear out the SG(server_context)
694 * after each request. Note: We pass in the pointer to the
695 * server_context in case this is handled by a different thread. */
696 apr_pool_cleanup_register(r->pool, (void *)&SG(server_context),
697 php_server_context_cleanup,
698 apr_pool_cleanup_null);
699
700 /* Save the entire request, so we can get the input or output
701 * filters if we need them. */
702 ctx->r = r;
703
704 return OK;
705 }
706
php_register_hook(apr_pool_t * p)707 static void php_register_hook(apr_pool_t *p)
708 {
709 ap_hook_pre_config(php_pre_config, NULL, NULL, APR_HOOK_MIDDLE);
710 ap_hook_post_config(php_apache_server_startup, NULL, NULL, APR_HOOK_MIDDLE);
711 ap_hook_insert_filter(php_insert_filter, NULL, NULL, APR_HOOK_MIDDLE);
712 ap_hook_post_read_request(php_post_read_request, NULL, NULL, APR_HOOK_MIDDLE);
713 ap_register_output_filter("PHP", php_output_filter, php_apache_disable_caching, AP_FTYPE_RESOURCE);
714 ap_register_input_filter("PHP", php_input_filter, php_apache_disable_caching, AP_FTYPE_RESOURCE);
715 }
716
php_apache_read_stream(void * handle,char * buf,size_t wantlen TSRMLS_DC)717 static size_t php_apache_read_stream(void *handle, char *buf, size_t wantlen TSRMLS_DC)
718 {
719 php_apr_bucket_brigade *pbb = (php_apr_bucket_brigade *)handle;
720 apr_bucket_brigade *rbb;
721 apr_size_t readlen;
722 apr_bucket *b = NULL;
723
724 rbb = pbb->bb;
725
726 if((apr_brigade_partition(pbb->bb, wantlen, &b) == APR_SUCCESS) && b){
727 pbb->bb = apr_brigade_split(rbb, b);
728 }
729
730 readlen = wantlen;
731 apr_brigade_flatten(rbb, buf, &readlen);
732 apr_brigade_cleanup(rbb);
733
734 return readlen;
735 }
736
php_apache_fsizer_stream(void * handle TSRMLS_DC)737 static size_t php_apache_fsizer_stream(void *handle TSRMLS_DC)
738 {
739 php_apr_bucket_brigade *pbb = (php_apr_bucket_brigade *)handle;
740 apr_off_t actual = 0;
741
742 if (apr_brigade_length(pbb->bb, 1, &actual) == APR_SUCCESS) {
743 return actual;
744 }
745
746 return 0;
747 }
748
749 AP_MODULE_DECLARE_DATA module php5_module = {
750 STANDARD20_MODULE_STUFF,
751 create_php_config, /* create per-directory config structure */
752 merge_php_config, /* merge per-directory config structures */
753 NULL, /* create per-server config structure */
754 NULL, /* merge per-server config structures */
755 php_dir_cmds, /* command apr_table_t */
756 php_register_hook /* register hooks */
757 };
758
759 /*
760 * Local variables:
761 * tab-width: 4
762 * c-basic-offset: 4
763 * End:
764 * vim600: sw=4 ts=4 fdm=marker
765 * vim<600: sw=4 ts=4
766 */
767
