summaryrefslogtreecommitdiff
path: root/sapi/roxen/roxen.c
blob: 4d7fc6d7e5a60b6fbc2b89ae788d2581edc69662 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
/* 
   +----------------------------------------------------------------------+
   | PHP Version 5                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2012 The PHP Group                                |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.php.net/license/3_01.txt                                  |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Author: David Hedbor <neotron@php.net>                               |
   | Based on aolserver SAPI by Sascha Schumann <sascha@schumann.cx>      |
   +----------------------------------------------------------------------+
 */

/* $Id$ */

#include "php.h"
#ifdef HAVE_ROXEN

#include "php_ini.h"
#include "php_globals.h"
#include "SAPI.h"
#include "php_main.h" 
#include "ext/standard/info.h"

#include "php_version.h"

#ifndef ZTS
/* Only valid if thread safety is enabled. */
#undef ROXEN_USE_ZTS
#endif


/* Pike Include Files 
 *
 * conflicts with pike avoided by only using long names. Requires a new
 * Pike 0.7 since it was implemented for this interface only.
 *
 */
#define NO_PIKE_SHORTHAND

#include <fdlib.h>
#include <program.h>
#include <pike_types.h>
#include <interpret.h>
#include <module_support.h>
#include <error.h>
#include <array.h>
#include <backend.h>
#include <stralloc.h>
#include <mapping.h>
#include <object.h>
#include <threads.h>
#include <builtin_functions.h>
#include <operators.h>

#undef HIDE_GLOBAL_VARIABLES
#undef REVEAL_GLOBAL_VARIABLES
#define HIDE_GLOBAL_VARIABLES()
#define REVEAL_GLOBAL_VARIABLES()

/* php_roxen_request is per-request object storage */

typedef struct
{
  struct mapping *request_data;
  struct object *my_fd_obj;
  int my_fd;
  char *filename;
} php_roxen_request;


/* Defines to get to the data supplied when the script is started. */

#ifdef ROXEN_USE_ZTS

/* ZTS does work now, but it seems like it's faster using the "serialization"
 * method I previously used. Thus it's not used unless ROXEN_USE_ZTS is defined.
 */

/* Per thread storage area id... */
static int roxen_globals_id;

# define GET_THIS() php_roxen_request *_request = ts_resource(roxen_globals_id)
# define THIS _request
#else
static php_roxen_request *current_request = NULL;

# define GET_THIS() current_request = ((php_roxen_request *)Pike_fp->current_storage)
# define THIS current_request
#endif

/* File descriptor integer. Used to write directly to the FD without 
 * passing Pike
 */
#define MY_FD    (THIS->my_fd)

/* FD object. Really a PHPScript object from Pike which implements a couple
 * of functions to handle headers, writing and buffering.
 */
#define MY_FD_OBJ        ((struct object *)(THIS->my_fd_obj))

/* Mapping with data supplied from the calling Roxen module. Contains
 * a mapping with headers, an FD object etc.
 */
#define REQUEST_DATA ((struct mapping *)(THIS->request_data))


#if defined(_REENTRANT) && !defined(ROXEN_USE_ZTS)
/* Lock used to serialize the PHP execution. If ROXEN_USE_ZTS is defined, we
 * are using the PHP thread safe mechanism instead.
 */
static PIKE_MUTEX_T roxen_php_execution_lock;
# define PHP_INIT_LOCK()	mt_init(&roxen_php_execution_lock)
# define PHP_LOCK(X)    THREADS_ALLOW();mt_lock(&roxen_php_execution_lock);THREADS_DISALLOW()
# define PHP_UNLOCK(X)	mt_unlock(&roxen_php_execution_lock);
# define PHP_DESTROY()	mt_destroy(&roxen_php_execution_lock)
#else /* !_REENTRANT */
# define PHP_INIT_LOCK()	
# define PHP_LOCK(X)
# define PHP_UNLOCK(X)
# define PHP_DESTROY()	
#endif /* _REENTRANT */

extern int fd_from_object(struct object *o);
static unsigned char roxen_php_initialized;

/* This allows calling of pike functions from the PHP callbacks,
 * which requires the Pike interpreter to be locked.
 */
#define THREAD_SAFE_RUN(COMMAND, what)  do {\
  struct thread_state *state;\
 if((state = thread_state_for_id(th_self()))!=NULL) {\
    if(!state->swapped) {\
      COMMAND;\
    } else {\
      mt_lock(&interpreter_lock);\
      SWAP_IN_THREAD(state);\
      COMMAND;\
      SWAP_OUT_THREAD(state);\
      mt_unlock(&interpreter_lock);\
    }\
  }\
} while(0)

struct program *php_program;


/* To avoid executing a PHP script from a PHP callback, which would
 * create a deadlock, a global thread id is used. If the thread calling the
 * php-script is the same as the current thread, it fails. 
 */
static int current_thread = -1;


/* Low level header lookup. Basically looks for the named header in the mapping
 * headers in the supplied options mapping.
 */
 
static INLINE struct svalue *lookup_header(char *headername)
{
  struct svalue *headers, *value;
  struct pike_string *sind;
#ifdef ROXEN_USE_ZTS
  GET_THIS();
#endif
  sind = make_shared_string("env");
  headers = low_mapping_string_lookup(REQUEST_DATA, sind);
  free_string(sind);
  if(!headers || headers->type != PIKE_T_MAPPING) return NULL;
  sind = make_shared_string(headername);
  value = low_mapping_string_lookup(headers->u.mapping, sind);
  free_string(sind);
  if(!value) return NULL;
  return value;
}

/* Lookup a header in the mapping and return the value as a string, or
 * return the default if it's missing
 */
INLINE static char *lookup_string_header(char *headername, char *default_value)
{
  struct svalue *head = NULL;
  THREAD_SAFE_RUN(head = lookup_header(headername), "header lookup");
  if(!head || head->type != PIKE_T_STRING)
    return default_value;
  return head->u.string->str;
}

/* Lookup a header in the mapping and return the value as if it's an integer
 * and otherwise return the default.
 */
INLINE static int lookup_integer_header(char *headername, int default_value)
{
  struct svalue *head = NULL;
  THREAD_SAFE_RUN(head = lookup_header(headername), "header lookup");
  if(!head || head->type != PIKE_T_INT)
    return default_value;
  return head->u.integer;
}

/*
 * php_roxen_low_ub_write() writes data to the client connection. Might be
 * rewritten to do more direct IO to save CPU and the need to lock the *
 * interpreter for better threading.
 */

static int
php_roxen_low_ub_write(const char *str, uint str_length TSRMLS_DC) {
  int sent_bytes = 0;
  struct pike_string *to_write = NULL;
#ifdef ROXEN_USE_ZTS
  GET_THIS();
#endif

  if(!MY_FD_OBJ->prog) {
    PG(connection_status) = PHP_CONNECTION_ABORTED;
    zend_bailout();
    return -1;
  }
  to_write = make_shared_binary_string(str, str_length);
  push_string(to_write);
  safe_apply(MY_FD_OBJ, "write", 1);
  if(Pike_sp[-1].type == PIKE_T_INT)
    sent_bytes = Pike_sp[-1].u.integer;
  pop_stack();
  if(sent_bytes != str_length) {
    /* This means the connection is closed. Dead. Gone. *sniff*  */
    php_handle_aborted_connection();
  }
  return sent_bytes;
}

/*
 * php_roxen_sapi_ub_write() calls php_roxen_low_ub_write in a Pike thread
 * safe manner.
 */

static int
php_roxen_sapi_ub_write(const char *str, uint str_length TSRMLS_DC)
{
#ifdef ROXEN_USE_ZTS
  GET_THIS();
#endif

  int sent_bytes = 0, fd = MY_FD;
  if(fd)
  {
    for(sent_bytes=0;sent_bytes < str_length;)
    {
      int written;
      written = fd_write(fd, str + sent_bytes, str_length - sent_bytes);
      if(written < 0)
      {
	switch(errno)
	{
	 default:
	  /* This means the connection is closed. Dead. Gone. *sniff*  */
	  PG(connection_status) = PHP_CONNECTION_ABORTED;
	  zend_bailout();
	  return sent_bytes;
	 case EINTR: 
	 case EWOULDBLOCK:
	  continue;
	}

      } else {
	sent_bytes += written;
      }
    }
  } else {
    THREAD_SAFE_RUN(sent_bytes = php_roxen_low_ub_write(str, str_length TSRMLS_CC),
		    "write");
  }
  return sent_bytes;
}

/* php_roxen_set_header() sets a header in the header mapping. Called in a
 * thread safe manner from php_roxen_sapi_header_handler.
 */
static void php_roxen_set_header(char *header_name, char *value, char *p)
{
  struct svalue hsval;
  struct pike_string *hval, *ind, *hind;
  struct mapping *headermap;
  struct svalue *s_headermap;
#ifdef ROXEN_USE_ZTS
  GET_THIS();
#endif
  hval = make_shared_string(value);
  ind = make_shared_string(" _headers");
  hind = make_shared_binary_string(header_name,
				   (int)(p - header_name));

  s_headermap = low_mapping_string_lookup(REQUEST_DATA, ind);
  if(!s_headermap)
  {
    struct svalue mappie;                                           
    mappie.type = PIKE_T_MAPPING;
    headermap = allocate_mapping(1);
    mappie.u.mapping = headermap;
    mapping_string_insert(REQUEST_DATA, ind, &mappie);
    free_mapping(headermap);
  } else
    headermap = s_headermap->u.mapping;

  hsval.type = PIKE_T_STRING;
  hsval.u.string = hval;
  mapping_string_insert(headermap, hind, &hsval);

  free_string(hval);
  free_string(ind);
  free_string(hind);
}

/*
 * php_roxen_sapi_header_handler() sets a HTTP reply header to be 
 * sent to the client.
 */
static int
php_roxen_sapi_header_handler(sapi_header_struct *sapi_header,
			      sapi_headers_struct *sapi_headers TSRMLS_DC)
{
  char *header_name, *header_content, *p;
  header_name = sapi_header->header;
  header_content = p = strchr(header_name, ':');
  
  if(p) {
  do {
    header_content++;
  } while(*header_content == ' ');
    THREAD_SAFE_RUN(php_roxen_set_header(header_name, header_content, p), "header handler");
  }
  sapi_free_header(sapi_header);
  return 0;
}

/*
 * php_roxen_sapi_send_headers() flushes the headers to the client.
 * Called before real content is sent by PHP.
 */

static int
php_roxen_low_send_headers(sapi_headers_struct *sapi_headers TSRMLS_DC)
{
  struct pike_string *ind;
  struct svalue *s_headermap;
#ifdef ROXEN_USE_ZTS
  GET_THIS();
#endif

  if(!MY_FD_OBJ->prog) {
    PG(connection_status) = PHP_CONNECTION_ABORTED;
    zend_bailout();
    return SAPI_HEADER_SEND_FAILED;
  }
  ind = make_shared_string(" _headers");  
  s_headermap = low_mapping_string_lookup(REQUEST_DATA, ind);
  free_string(ind);
  
  push_int(SG(sapi_headers).http_response_code);
  if(s_headermap && s_headermap->type == PIKE_T_MAPPING)
    ref_push_mapping(s_headermap->u.mapping);
  else
    push_int(0);
  safe_apply(MY_FD_OBJ, "send_headers", 2);
  pop_stack();
  
  return SAPI_HEADER_SENT_SUCCESSFULLY;
}

static int
php_roxen_sapi_send_headers(sapi_headers_struct *sapi_headers TSRMLS_DC)
{
  int res = 0;
  THREAD_SAFE_RUN(res = php_roxen_low_send_headers(sapi_headers TSRMLS_CC), "send headers");
  return res;
}

/*
 * php_roxen_sapi_read_post() reads a specified number of bytes from
 * the client. Used for POST/PUT requests.
 */

INLINE static int php_roxen_low_read_post(char *buf, uint count_bytes)
{
  uint total_read = 0;
#ifdef ROXEN_USE_ZTS
  GET_THIS();
#endif
  TSRMLS_FETCH();
  
  if(!MY_FD_OBJ->prog)
  {
    PG(connection_status) = PHP_CONNECTION_ABORTED;
    zend_bailout();
    return -1;
  }
  push_int(count_bytes);
  safe_apply(MY_FD_OBJ, "read_post", 1);
  if(Pike_sp[-1].type == PIKE_T_STRING) {
    MEMCPY(buf, Pike_sp[-1].u.string->str,
           (total_read = Pike_sp[-1].u.string->len));
    buf[total_read] = '\0';
  } else
    total_read = 0;
  pop_stack();
  return total_read;
}

static int
php_roxen_sapi_read_post(char *buf, uint count_bytes TSRMLS_DC)
{
  uint total_read = 0;
  THREAD_SAFE_RUN(total_read = php_roxen_low_read_post(buf, count_bytes), "read post");
  return total_read;
}

/* 
 * php_roxen_sapi_read_cookies() returns the Cookie header from
 * the HTTP request header
 */
	
static char *
php_roxen_sapi_read_cookies(TSRMLS_D)
{
  char *cookies;
  cookies = lookup_string_header("HTTP_COOKIE", NULL);
  return cookies;
}

static void php_info_roxen(ZEND_MODULE_INFO_FUNC_ARGS)
{
  /*  char buf[512]; */
  php_info_print_table_start();
  php_info_print_table_row(2, "SAPI module version", "$Id$");
  /*  php_info_print_table_row(2, "Build date", Ns_InfoBuildDate());
      php_info_print_table_row(2, "Config file path", Ns_InfoConfigFile());
      php_info_print_table_row(2, "Error Log path", Ns_InfoErrorLog());
      php_info_print_table_row(2, "Installation path", Ns_InfoHomePath());
      php_info_print_table_row(2, "Hostname of server", Ns_InfoHostname());
      php_info_print_table_row(2, "Source code label", Ns_InfoLabel());
      php_info_print_table_row(2, "Server platform", Ns_InfoPlatform());
      snprintf(buf, 511, "%s/%s", Ns_InfoServerName(), Ns_InfoServerVersion());
      php_info_print_table_row(2, "Server version", buf);
      snprintf(buf, 511, "%d day(s), %02d:%02d:%02d", 
      uptime / 86400,
      (uptime / 3600) % 24,
      (uptime / 60) % 60,
      uptime % 60);
      php_info_print_table_row(2, "Server uptime", buf);
  */
  php_info_print_table_end();
}

static zend_module_entry php_roxen_module = {
  STANDARD_MODULE_HEADER,
  "Roxen",
  NULL,
  NULL,
  NULL,
  NULL,
  NULL,
  php_info_roxen,
  NULL,
  STANDARD_MODULE_PROPERTIES
};

static int php_roxen_startup(sapi_module_struct *sapi_module)
{
  if(php_module_startup(sapi_module, &php_roxen_module, 1) == FAILURE) {
    return FAILURE;
  } else {
    return SUCCESS;
  }
}

/* this structure is static (as in "it does not change") */

static sapi_module_struct roxen_sapi_module = {
  "roxen",
  "Roxen",
  php_roxen_startup,			/* startup */
  php_module_shutdown_wrapper,		/* shutdown */
  NULL,					/* activate */
  NULL,					/* deactivate */
  php_roxen_sapi_ub_write,		/* unbuffered write */
  NULL,					/* flush */
  NULL,					/* get uid */
  NULL,					/* getenv */
  php_error,				/* error handler */
  php_roxen_sapi_header_handler,	/* header handler */
  php_roxen_sapi_send_headers,		/* send headers handler */
  NULL,					/* send header handler */
  php_roxen_sapi_read_post,		/* read POST data */
  php_roxen_sapi_read_cookies,		/* read Cookies */
  NULL,					/* register server variables */
  NULL,					/* Log message */
  NULL,					/* Get request time */
  NULL,					/* Child terminate */

  STANDARD_SAPI_MODULE_PROPERTIES
};

/*
 * php_roxen_hash_environment() populates the php script environment
 * with a number of variables. HTTP_* variables are created for
 * the HTTP header data, so that a script can access these.
 */
#define ADD_STRING(name)										\
	MAKE_STD_ZVAL(zvalue);										\
	zvalue->type = IS_STRING;										\
	zvalue->value.str.len = strlen(buf);							\
	zvalue->value.str.val = estrndup(buf, zvalue->value.str.len);	\
	zend_hash_update(&EG(symbol_table), name, sizeof(name), 	\
			&zvalue, sizeof(zval *), NULL)

static void
php_roxen_hash_environment(TSRMLS_D)
{
  int i;
  char buf[512];
  zval *zvalue;
  struct svalue *headers;
  struct pike_string *sind;
  struct array *indices;
  struct svalue *ind, *val;
#ifdef ROXEN_USE_ZTS
  GET_THIS();
#endif
  sind = make_shared_string("env");
  headers = low_mapping_string_lookup(REQUEST_DATA, sind);
  free_string(sind);
  if(headers && headers->type == PIKE_T_MAPPING) {
    indices = mapping_indices(headers->u.mapping);
    for(i = 0; i < indices->size; i++) {
      ind = &indices->item[i];
      val = low_mapping_lookup(headers->u.mapping, ind);
      if(ind && ind->type == PIKE_T_STRING &&
	 val && val->type == PIKE_T_STRING) {
	int buf_len;
	buf_len = MIN(511, ind->u.string->len);
	strncpy(buf, ind->u.string->str, buf_len);
	buf[buf_len] = '\0'; /* Terminate correctly */
	MAKE_STD_ZVAL(zvalue);
	zvalue->type = IS_STRING;
	zvalue->value.str.len = val->u.string->len;
	zvalue->value.str.val = estrndup(val->u.string->str, zvalue->value.str.len);
	
	zend_hash_update(&EG(symbol_table), buf, buf_len + 1, &zvalue, sizeof(zval *), NULL);
      }
    }
    free_array(indices);
  }
  
  /*
    MAKE_STD_ZVAL(zvalue);
    zvalue->type = IS_LONG;
    zvalue->value.lval = Ns_InfoBootTime();
    zend_hash_update(&EG(symbol_table), "SERVER_BOOTTIME", sizeof("SERVER_BOOTTIME"), &zvalue, sizeof(zval *), NULL);
  */
}

/*
 * php_roxen_module_main() is called by the per-request handler and
 * "executes" the script
 */

static int php_roxen_module_main(TSRMLS_D)
{
  int res, len;
  char *dir;
  zend_file_handle file_handle;
#ifdef ROXEN_USE_ZTS
  GET_THIS();
#endif

  file_handle.type = ZEND_HANDLE_FILENAME;
  file_handle.filename = THIS->filename;
  file_handle.free_filename = 0;
  file_handle.opened_path = NULL;

  THREADS_ALLOW();
  res = php_request_startup(TSRMLS_C);
  THREADS_DISALLOW();
  if(res == FAILURE) {
    return 0;
  }
  php_roxen_hash_environment(TSRMLS_C);
  THREADS_ALLOW();
  php_execute_script(&file_handle TSRMLS_CC);
  php_request_shutdown(NULL);
  THREADS_DISALLOW();
  return 1;
}

/*
 * The php_roxen_request_handler() is called per request and handles
 * everything for one request.
 */

void f_php_roxen_request_handler(INT32 args)
{
  struct object *my_fd_obj;
  struct mapping *request_data;
  struct svalue *done_callback, *raw_fd;
  struct pike_string *script, *ind;
  int status = 1;
#ifdef ROXEN_USE_ZTS
  GET_THIS();
#endif
  TSRMLS_FETCH();

  if(current_thread == th_self())
    php_error(E_WARNING, "PHP5.Interpreter->run: Tried to run a PHP-script from a PHP "
	  "callback!");
  get_all_args("PHP5.Interpreter->run", args, "%S%m%O%*", &script,
	       &request_data, &my_fd_obj, &done_callback);
  if(done_callback->type != PIKE_T_FUNCTION) 
    php_error(E_WARNING, "PHP5.Interpreter->run: Bad argument 4, expected function.\n");
  PHP_LOCK(THIS); /* Need to lock here or reusing the same object might cause
		       * problems in changing stuff in that object */
#ifndef ROXEN_USE_ZTS
  GET_THIS();
#endif
  THIS->request_data = request_data;
  THIS->my_fd_obj = my_fd_obj;
  THIS->filename = script->str;
  current_thread = th_self();
  SG(request_info).query_string = lookup_string_header("QUERY_STRING", 0);
  SG(server_context) = (void *)1; /* avoid server_context == NULL */

  /* path_translated is apparently the absolute path to the file, not
     the translated PATH_INFO
  */
  SG(request_info).path_translated =
    lookup_string_header("SCRIPT_FILENAME", NULL);
  SG(request_info).request_uri = lookup_string_header("DOCUMENT_URI", NULL);
  if(!SG(request_info).request_uri)
    SG(request_info).request_uri = lookup_string_header("SCRIPT_NAME", NULL);
  SG(request_info).request_method = lookup_string_header("REQUEST_METHOD", "GET");
  SG(request_info).content_length = lookup_integer_header("HTTP_CONTENT_LENGTH", 0);
  SG(request_info).content_type = lookup_string_header("HTTP_CONTENT_TYPE", NULL);
  SG(sapi_headers).http_response_code = 200;

  /* FIXME: Check for auth stuff needs to be fixed... */ 
  SG(request_info).auth_user = NULL; 
  SG(request_info).auth_password = NULL;
  
  ind = make_shared_binary_string("my_fd", 5);
  raw_fd = low_mapping_string_lookup(THIS->request_data, ind);
  if(raw_fd && raw_fd->type == PIKE_T_OBJECT)
  {
    int fd = fd_from_object(raw_fd->u.object);
    if(fd == -1)
      php_error(E_WARNING, "PHP5.Interpreter->run: my_fd object not open or not an FD.\n");
    THIS->my_fd = fd;
  } else
    THIS->my_fd = 0;
  
  status = php_roxen_module_main(TSRMLS_C);
  current_thread = -1;
  
  apply_svalue(done_callback, 0);
  pop_stack();
  pop_n_elems(args);
  push_int(status);
  PHP_UNLOCK(THIS);
}


/* Clear the object global struct */
static void clear_struct(struct object *o)
{
  MEMSET(Pike_fp->current_storage, 0, sizeof(php_roxen_request));
}


/*
 * pike_module_init() is called by Pike once at startup
 *
 * This functions allocates basic structures
 */

void pike_module_init( void )
{
  if (!roxen_php_initialized) {
#ifdef ZTS
    tsrm_startup(1, 1, 0, NULL);
#ifdef ROXEN_USE_ZTS
    ts_allocate_id(&roxen_globals_id, sizeof(php_roxen_request), NULL, NULL);
#endif	 
#endif
    sapi_startup(&roxen_sapi_module);
    /*php_roxen_startup(&roxen_sapi_module); removed - should be called from SAPI activation*/
    roxen_php_initialized = 1;
    PHP_INIT_LOCK();
  }
  start_new_program(); /* Text */
  ADD_STORAGE(php_roxen_request);
  set_init_callback(clear_struct);
  pike_add_function("run", f_php_roxen_request_handler,
		    "function(string, mapping, object, function:int)", 0);
  add_program_constant("Interpreter", (php_program = end_program()), 0);
}

/*
 * pike_module_exit() performs the last steps before the
 * server exists. Shutdowns basic services and frees memory
 */

void pike_module_exit(void)
{
  roxen_php_initialized = 0;
  roxen_sapi_module.shutdown(&roxen_sapi_module);
  if(php_program)  free_program(php_program);
#ifdef ZTS
  tsrm_shutdown();
#endif
  PHP_DESTROY();
}
#endif