This source file includes following definitions.
- php_rinit_session_globals
- php_rshutdown_session_globals
- php_session_destroy
- php_add_session_var
- php_set_session_var
- php_get_session_var
- php_session_track_init
- php_session_encode
- php_session_decode
- bin_to_readable
- php_session_create_id
- php_session_valid_key
- php_session_initialize
- php_session_save_current_state
- PHP_INI_MH
- PHP_INI_MH
- PHP_INI_MH
- PHP_INI_MH
- PHP_INI_MH
- PHP_INI_MH
- PHP_INI_MH
- ZEND_INI_MH
- PHP_INI_BEGIN
- PS_SERIALIZER_DECODE_FUNC
- PS_SERIALIZER_ENCODE_FUNC
- PS_SERIALIZER_DECODE_FUNC
- PS_SERIALIZER_ENCODE_FUNC
- PS_SERIALIZER_DECODE_FUNC
- php_session_register_serializer
- php_session_register_module
- strcpy_gmt
- last_modified
- CACHE_LIMITER_FUNC
- CACHE_LIMITER_FUNC
- CACHE_LIMITER_FUNC
- CACHE_LIMITER_FUNC
- php_session_cache_limiter
- php_session_remove_cookie
- php_session_send_cookie
- _php_find_ps_module
- _php_find_ps_serializer
- ppid2sid
- php_session_reset_id
- php_session_start
- php_session_flush
- php_session_abort
- php_session_reset
- session_adapt_url
- PHP_FUNCTION
- PHP_FUNCTION
- PHP_FUNCTION
- PHP_FUNCTION
- PHP_FUNCTION
- PHP_FUNCTION
- PHP_FUNCTION
- PHP_FUNCTION
- PHP_FUNCTION
- PHP_FUNCTION
- PHP_FUNCTION
- PHP_FUNCTION
- PHP_FUNCTION
- PHP_FUNCTION
- PHP_FUNCTION
- PHP_FUNCTION
- PHP_FUNCTION
- PHP_FUNCTION
- PHP_FUNCTION
- PHP_FUNCTION
- php_rinit_session
- PHP_RINIT_FUNCTION
- PHP_RSHUTDOWN_FUNCTION
- PHP_GINIT_FUNCTION
- PHP_MINIT_FUNCTION
- PHP_MSHUTDOWN_FUNCTION
- PHP_MINFO_FUNCTION
- early_find_sid_in
- php_session_rfc1867_early_find_sid
- php_check_cancel_upload
- php_session_rfc1867_update
- php_session_rfc1867_cleanup
- php_session_rfc1867_callback
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22 #ifdef HAVE_CONFIG_H
23 #include "config.h"
24 #endif
25
26 #include "php.h"
27
28 #ifdef PHP_WIN32
29 # include "win32/winutil.h"
30 # include "win32/time.h"
31 #else
32 # include <sys/time.h>
33 #endif
34
35 #include <sys/stat.h>
36 #include <fcntl.h>
37
38 #include "php_ini.h"
39 #include "SAPI.h"
40 #include "rfc1867.h"
41 #include "php_variables.h"
42 #include "php_session.h"
43 #include "ext/standard/md5.h"
44 #include "ext/standard/sha1.h"
45 #include "ext/standard/php_var.h"
46 #include "ext/date/php_date.h"
47 #include "ext/standard/php_lcg.h"
48 #include "ext/standard/url_scanner_ex.h"
49 #include "ext/standard/php_rand.h"
50 #include "ext/standard/info.h"
51 #include "ext/standard/php_smart_str.h"
52 #include "ext/standard/url.h"
53 #include "ext/standard/basic_functions.h"
54
55 #include "mod_files.h"
56 #include "mod_user.h"
57
58 #ifdef HAVE_LIBMM
59 #include "mod_mm.h"
60 #endif
61
62 PHPAPI ZEND_DECLARE_MODULE_GLOBALS(ps)
63
64 static int php_session_rfc1867_callback(unsigned int event, void *event_data, void **extra TSRMLS_DC);
65 static int (*php_session_rfc1867_orig_callback)(unsigned int event, void *event_data, void **extra TSRMLS_DC);
66
67
68 zend_class_entry *php_session_class_entry;
69
70
71 zend_class_entry *php_session_iface_entry;
72
73
74 zend_class_entry *php_session_id_iface_entry;
75
76
77
78
79
80 #define IF_SESSION_VARS() \
81 if (PS(http_session_vars) && PS(http_session_vars)->type == IS_ARRAY)
82
83 #define SESSION_CHECK_ACTIVE_STATE \
84 if (PS(session_status) == php_session_active) { \
85 php_error_docref(NULL TSRMLS_CC, E_WARNING, "A session is active. You cannot change the session module's ini settings at this time"); \
86 return FAILURE; \
87 }
88
89 static void php_session_send_cookie(TSRMLS_D);
90
91
92 static inline void php_rinit_session_globals(TSRMLS_D)
93 {
94 PS(id) = NULL;
95 PS(session_status) = php_session_none;
96 PS(mod_data) = NULL;
97 PS(mod_user_is_open) = 0;
98
99 PS(http_session_vars) = NULL;
100 }
101
102
103
104 static inline void php_rshutdown_session_globals(TSRMLS_D)
105 {
106 if (PS(http_session_vars)) {
107 zval_ptr_dtor(&PS(http_session_vars));
108 PS(http_session_vars) = NULL;
109 }
110
111 if (PS(mod_data) || PS(mod_user_implemented)) {
112 zend_try {
113 PS(mod)->s_close(&PS(mod_data) TSRMLS_CC);
114 } zend_end_try();
115 }
116 if (PS(id)) {
117 efree(PS(id));
118 PS(id) = NULL;
119 }
120 }
121
122
123 static int php_session_destroy(TSRMLS_D)
124 {
125 int retval = SUCCESS;
126
127 if (PS(session_status) != php_session_active) {
128 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Trying to destroy uninitialized session");
129 return FAILURE;
130 }
131
132 if (PS(id) && PS(mod)->s_destroy(&PS(mod_data), PS(id) TSRMLS_CC) == FAILURE) {
133 retval = FAILURE;
134 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Session object destruction failed");
135 }
136
137 php_rshutdown_session_globals(TSRMLS_C);
138 php_rinit_session_globals(TSRMLS_C);
139
140 return retval;
141 }
142
143
144 PHPAPI void php_add_session_var(char *name, size_t namelen TSRMLS_DC)
145 {
146 zval **sym_track = NULL;
147
148 IF_SESSION_VARS() {
149 zend_hash_find(Z_ARRVAL_P(PS(http_session_vars)), name, namelen + 1, (void *) &sym_track);
150 } else {
151 return;
152 }
153
154 if (sym_track == NULL) {
155 zval *empty_var;
156
157 ALLOC_INIT_ZVAL(empty_var);
158 ZEND_SET_SYMBOL_WITH_LENGTH(Z_ARRVAL_P(PS(http_session_vars)), name, namelen+1, empty_var, 1, 0);
159 }
160 }
161
162
163 PHPAPI void php_set_session_var(char *name, size_t namelen, zval *state_val, php_unserialize_data_t *var_hash TSRMLS_DC)
164 {
165 IF_SESSION_VARS() {
166 zend_set_hash_symbol(state_val, name, namelen, PZVAL_IS_REF(state_val), 1, Z_ARRVAL_P(PS(http_session_vars)));
167 }
168 }
169
170
171 PHPAPI int php_get_session_var(char *name, size_t namelen, zval ***state_var TSRMLS_DC)
172 {
173 int ret = FAILURE;
174
175 IF_SESSION_VARS() {
176 ret = zend_hash_find(Z_ARRVAL_P(PS(http_session_vars)), name, namelen + 1, (void **) state_var);
177 }
178 return ret;
179 }
180
181
182 static void php_session_track_init(TSRMLS_D)
183 {
184 zval *session_vars = NULL;
185
186
187 zend_delete_global_variable("_SESSION", sizeof("_SESSION")-1 TSRMLS_CC);
188
189 if (PS(http_session_vars)) {
190 zval_ptr_dtor(&PS(http_session_vars));
191 }
192
193 MAKE_STD_ZVAL(session_vars);
194 array_init(session_vars);
195 PS(http_session_vars) = session_vars;
196
197 ZEND_SET_GLOBAL_VAR_WITH_LENGTH("_SESSION", sizeof("_SESSION"), PS(http_session_vars), 2, 1);
198 }
199
200
201 static char *php_session_encode(int *newlen TSRMLS_DC)
202 {
203 char *ret = NULL;
204
205 IF_SESSION_VARS() {
206 if (!PS(serializer)) {
207 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown session.serialize_handler. Failed to encode session object");
208 ret = NULL;
209 } else if (PS(serializer)->encode(&ret, newlen TSRMLS_CC) == FAILURE) {
210 ret = NULL;
211 }
212 } else {
213 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot encode non-existent session");
214 }
215 return ret;
216 }
217
218
219 static int php_session_decode(const char *val, int vallen TSRMLS_DC)
220 {
221 if (!PS(serializer)) {
222 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown session.serialize_handler. Failed to decode session object");
223 return FAILURE;
224 }
225 if (PS(serializer)->decode(val, vallen TSRMLS_CC) == FAILURE) {
226 php_session_destroy(TSRMLS_C);
227 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to decode session object. Session has been destroyed");
228 return FAILURE;
229 }
230 return SUCCESS;
231 }
232
233
234
235
236
237
238
239
240 static char hexconvtab[] = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ,-";
241
242 enum {
243 PS_HASH_FUNC_MD5,
244 PS_HASH_FUNC_SHA1,
245 PS_HASH_FUNC_OTHER
246 };
247
248
249 static char *bin_to_readable(char *in, size_t inlen, char *out, char nbits)
250 {
251 unsigned char *p, *q;
252 unsigned short w;
253 int mask;
254 int have;
255
256 p = (unsigned char *) in;
257 q = (unsigned char *)in + inlen;
258
259 w = 0;
260 have = 0;
261 mask = (1 << nbits) - 1;
262
263 while (1) {
264 if (have < nbits) {
265 if (p < q) {
266 w |= *p++ << have;
267 have += 8;
268 } else {
269
270 if (have == 0) break;
271
272 have = nbits;
273 }
274 }
275
276
277 *out++ = hexconvtab[w & mask];
278 w >>= nbits;
279 have -= nbits;
280 }
281
282 *out = '\0';
283 return out;
284 }
285
286
287 PHPAPI char *php_session_create_id(PS_CREATE_SID_ARGS)
288 {
289 PHP_MD5_CTX md5_context;
290 PHP_SHA1_CTX sha1_context;
291 #if defined(HAVE_HASH_EXT) && !defined(COMPILE_DL_HASH)
292 void *hash_context = NULL;
293 #endif
294 unsigned char *digest;
295 int digest_len;
296 int j;
297 char *buf, *outid;
298 struct timeval tv;
299 zval **array;
300 zval **token;
301 char *remote_addr = NULL;
302
303 gettimeofday(&tv, NULL);
304
305 if (zend_hash_find(&EG(symbol_table), "_SERVER", sizeof("_SERVER"), (void **) &array) == SUCCESS &&
306 Z_TYPE_PP(array) == IS_ARRAY &&
307 zend_hash_find(Z_ARRVAL_PP(array), "REMOTE_ADDR", sizeof("REMOTE_ADDR"), (void **) &token) == SUCCESS &&
308 Z_TYPE_PP(token) == IS_STRING
309 ) {
310 remote_addr = Z_STRVAL_PP(token);
311 }
312
313
314 spprintf(&buf, 0, "%.15s%ld%ld%0.8F", remote_addr ? remote_addr : "", tv.tv_sec, (long int)tv.tv_usec, php_combined_lcg(TSRMLS_C) * 10);
315
316 switch (PS(hash_func)) {
317 case PS_HASH_FUNC_MD5:
318 PHP_MD5Init(&md5_context);
319 PHP_MD5Update(&md5_context, (unsigned char *) buf, strlen(buf));
320 digest_len = 16;
321 break;
322 case PS_HASH_FUNC_SHA1:
323 PHP_SHA1Init(&sha1_context);
324 PHP_SHA1Update(&sha1_context, (unsigned char *) buf, strlen(buf));
325 digest_len = 20;
326 break;
327 #if defined(HAVE_HASH_EXT) && !defined(COMPILE_DL_HASH)
328 case PS_HASH_FUNC_OTHER:
329 if (!PS(hash_ops)) {
330 php_error_docref(NULL TSRMLS_CC, E_ERROR, "Invalid session hash function");
331 efree(buf);
332 return NULL;
333 }
334
335 hash_context = emalloc(PS(hash_ops)->context_size);
336 PS(hash_ops)->hash_init(hash_context);
337 PS(hash_ops)->hash_update(hash_context, (unsigned char *) buf, strlen(buf));
338 digest_len = PS(hash_ops)->digest_size;
339 break;
340 #endif
341 default:
342 php_error_docref(NULL TSRMLS_CC, E_ERROR, "Invalid session hash function");
343 efree(buf);
344 return NULL;
345 }
346 efree(buf);
347
348 if (PS(entropy_length) > 0) {
349 #ifdef PHP_WIN32
350 unsigned char rbuf[2048];
351 size_t toread = PS(entropy_length);
352
353 if (php_win32_get_random_bytes(rbuf, MIN(toread, sizeof(rbuf))) == SUCCESS){
354
355 switch (PS(hash_func)) {
356 case PS_HASH_FUNC_MD5:
357 PHP_MD5Update(&md5_context, rbuf, toread);
358 break;
359 case PS_HASH_FUNC_SHA1:
360 PHP_SHA1Update(&sha1_context, rbuf, toread);
361 break;
362 # if defined(HAVE_HASH_EXT) && !defined(COMPILE_DL_HASH)
363 case PS_HASH_FUNC_OTHER:
364 PS(hash_ops)->hash_update(hash_context, rbuf, toread);
365 break;
366 # endif
367 }
368 }
369 #else
370 int fd;
371
372 fd = VCWD_OPEN(PS(entropy_file), O_RDONLY);
373 if (fd >= 0) {
374 unsigned char rbuf[2048];
375 int n;
376 int to_read = PS(entropy_length);
377
378 while (to_read > 0) {
379 n = read(fd, rbuf, MIN(to_read, sizeof(rbuf)));
380 if (n <= 0) break;
381
382 switch (PS(hash_func)) {
383 case PS_HASH_FUNC_MD5:
384 PHP_MD5Update(&md5_context, rbuf, n);
385 break;
386 case PS_HASH_FUNC_SHA1:
387 PHP_SHA1Update(&sha1_context, rbuf, n);
388 break;
389 #if defined(HAVE_HASH_EXT) && !defined(COMPILE_DL_HASH)
390 case PS_HASH_FUNC_OTHER:
391 PS(hash_ops)->hash_update(hash_context, rbuf, n);
392 break;
393 #endif
394 }
395 to_read -= n;
396 }
397 close(fd);
398 }
399 #endif
400 }
401
402 digest = emalloc(digest_len + 1);
403 switch (PS(hash_func)) {
404 case PS_HASH_FUNC_MD5:
405 PHP_MD5Final(digest, &md5_context);
406 break;
407 case PS_HASH_FUNC_SHA1:
408 PHP_SHA1Final(digest, &sha1_context);
409 break;
410 #if defined(HAVE_HASH_EXT) && !defined(COMPILE_DL_HASH)
411 case PS_HASH_FUNC_OTHER:
412 PS(hash_ops)->hash_final(digest, hash_context);
413 efree(hash_context);
414 break;
415 #endif
416 }
417
418 if (PS(hash_bits_per_character) < 4
419 || PS(hash_bits_per_character) > 6) {
420 PS(hash_bits_per_character) = 4;
421
422 php_error_docref(NULL TSRMLS_CC, E_WARNING, "The ini setting hash_bits_per_character is out of range (should be 4, 5, or 6) - using 4 for now");
423 }
424
425 outid = emalloc((size_t)((digest_len + 2) * ((8.0f / PS(hash_bits_per_character)) + 0.5)));
426 j = (int) (bin_to_readable((char *)digest, digest_len, outid, (char)PS(hash_bits_per_character)) - outid);
427 efree(digest);
428
429 if (newlen) {
430 *newlen = j;
431 }
432
433 return outid;
434 }
435
436
437
438
439
440 PHPAPI int php_session_valid_key(const char *key)
441 {
442 size_t len;
443 const char *p;
444 char c;
445 int ret = SUCCESS;
446
447 for (p = key; (c = *p); p++) {
448
449 if (!((c >= 'a' && c <= 'z')
450 || (c >= 'A' && c <= 'Z')
451 || (c >= '0' && c <= '9')
452 || c == ','
453 || c == '-')) {
454 ret = FAILURE;
455 break;
456 }
457 }
458
459 len = p - key;
460
461
462
463 if (len == 0 || len > 128) {
464 ret = FAILURE;
465 }
466
467 return ret;
468 }
469
470
471 static void php_session_initialize(TSRMLS_D)
472 {
473 char *val = NULL;
474 int vallen;
475
476 if (!PS(mod)) {
477 php_error_docref(NULL TSRMLS_CC, E_ERROR, "No storage module chosen - failed to initialize session");
478 return;
479 }
480
481
482 if (PS(mod)->s_open(&PS(mod_data), PS(save_path), PS(session_name) TSRMLS_CC) == FAILURE) {
483 php_error_docref(NULL TSRMLS_CC, E_ERROR, "Failed to initialize storage module: %s (path: %s)", PS(mod)->s_name, PS(save_path));
484 return;
485 }
486
487
488 if (!PS(id)) {
489 PS(id) = PS(mod)->s_create_sid(&PS(mod_data), NULL TSRMLS_CC);
490 if (!PS(id)) {
491 php_error_docref(NULL TSRMLS_CC, E_ERROR, "Failed to create session ID: %s (path: %s)", PS(mod)->s_name, PS(save_path));
492 return;
493 }
494 if (PS(use_cookies)) {
495 PS(send_cookie) = 1;
496 }
497 }
498
499
500 if (!PS(use_strict_mode)) {
501 php_session_reset_id(TSRMLS_C);
502 PS(session_status) = php_session_active;
503 }
504
505
506 php_session_track_init(TSRMLS_C);
507 if (PS(mod)->s_read(&PS(mod_data), PS(id), &val, &vallen TSRMLS_CC) == FAILURE) {
508
509
510
511
512
513 }
514
515 if (PS(use_strict_mode) && PS(session_status) != php_session_active) {
516 php_session_reset_id(TSRMLS_C);
517 PS(session_status) = php_session_active;
518 }
519 if (val) {
520 php_session_decode(val, vallen TSRMLS_CC);
521 str_efree(val);
522 }
523
524 if (!PS(use_cookies) && PS(send_cookie)) {
525 if (PS(use_trans_sid) && !PS(use_only_cookies)) {
526 PS(apply_trans_sid) = 1;
527 }
528 PS(send_cookie) = 0;
529 }
530 }
531
532
533 static void php_session_save_current_state(TSRMLS_D)
534 {
535 int ret = FAILURE;
536
537 IF_SESSION_VARS() {
538 if (PS(mod_data) || PS(mod_user_implemented)) {
539 char *val;
540 int vallen;
541
542 val = php_session_encode(&vallen TSRMLS_CC);
543 if (val) {
544 ret = PS(mod)->s_write(&PS(mod_data), PS(id), val, vallen TSRMLS_CC);
545 efree(val);
546 } else {
547 ret = PS(mod)->s_write(&PS(mod_data), PS(id), "", 0 TSRMLS_CC);
548 }
549 }
550
551 if (ret == FAILURE) {
552 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to write session data (%s). Please "
553 "verify that the current setting of session.save_path "
554 "is correct (%s)",
555 PS(mod)->s_name,
556 PS(save_path));
557 }
558 }
559
560 if (PS(mod_data) || PS(mod_user_implemented)) {
561 PS(mod)->s_close(&PS(mod_data) TSRMLS_CC);
562 }
563 }
564
565
566
567
568
569
570 static PHP_INI_MH(OnUpdateSaveHandler)
571 {
572 ps_module *tmp;
573 SESSION_CHECK_ACTIVE_STATE;
574
575 tmp = _php_find_ps_module(new_value TSRMLS_CC);
576
577 if (PG(modules_activated) && !tmp) {
578 int err_type;
579
580 if (stage == ZEND_INI_STAGE_RUNTIME) {
581 err_type = E_WARNING;
582 } else {
583 err_type = E_ERROR;
584 }
585
586
587 if (stage != ZEND_INI_STAGE_DEACTIVATE) {
588 php_error_docref(NULL TSRMLS_CC, err_type, "Cannot find save handler '%s'", new_value);
589 }
590 return FAILURE;
591 }
592
593 PS(default_mod) = PS(mod);
594 PS(mod) = tmp;
595
596 return SUCCESS;
597 }
598
599
600 static PHP_INI_MH(OnUpdateSerializer)
601 {
602 const ps_serializer *tmp;
603 SESSION_CHECK_ACTIVE_STATE;
604
605 tmp = _php_find_ps_serializer(new_value TSRMLS_CC);
606
607 if (PG(modules_activated) && !tmp) {
608 int err_type;
609
610 if (stage == ZEND_INI_STAGE_RUNTIME) {
611 err_type = E_WARNING;
612 } else {
613 err_type = E_ERROR;
614 }
615
616
617 if (stage != ZEND_INI_STAGE_DEACTIVATE) {
618 php_error_docref(NULL TSRMLS_CC, err_type, "Cannot find serialization handler '%s'", new_value);
619 }
620 return FAILURE;
621 }
622 PS(serializer) = tmp;
623
624 return SUCCESS;
625 }
626
627
628 static PHP_INI_MH(OnUpdateTransSid)
629 {
630 SESSION_CHECK_ACTIVE_STATE;
631
632 if (!strncasecmp(new_value, "on", sizeof("on"))) {
633 PS(use_trans_sid) = (zend_bool) 1;
634 } else {
635 PS(use_trans_sid) = (zend_bool) atoi(new_value);
636 }
637
638 return SUCCESS;
639 }
640
641
642 static PHP_INI_MH(OnUpdateSaveDir)
643 {
644
645 if (stage == PHP_INI_STAGE_RUNTIME || stage == PHP_INI_STAGE_HTACCESS) {
646 char *p;
647
648 if (memchr(new_value, '\0', new_value_length) != NULL) {
649 return FAILURE;
650 }
651
652
653 if ((p = strchr(new_value, ';'))) {
654 char *p2;
655 p++;
656 if ((p2 = strchr(p, ';'))) {
657 p = p2 + 1;
658 }
659 } else {
660 p = new_value;
661 }
662
663 if (PG(open_basedir) && *p && php_check_open_basedir(p TSRMLS_CC)) {
664 return FAILURE;
665 }
666 }
667
668 OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
669 return SUCCESS;
670 }
671
672
673 static PHP_INI_MH(OnUpdateName)
674 {
675
676 if ((!new_value_length || is_numeric_string(new_value, new_value_length, NULL, NULL, 0))) {
677 int err_type;
678
679 if (stage == ZEND_INI_STAGE_RUNTIME || stage == ZEND_INI_STAGE_ACTIVATE || stage == ZEND_INI_STAGE_STARTUP) {
680 err_type = E_WARNING;
681 } else {
682 err_type = E_ERROR;
683 }
684
685
686 if (stage != ZEND_INI_STAGE_DEACTIVATE) {
687 php_error_docref(NULL TSRMLS_CC, err_type, "session.name cannot be a numeric or empty '%s'", new_value);
688 }
689 return FAILURE;
690 }
691
692 OnUpdateStringUnempty(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
693 return SUCCESS;
694 }
695
696
697 static PHP_INI_MH(OnUpdateHashFunc)
698 {
699 long val;
700 char *endptr = NULL;
701
702 #if defined(HAVE_HASH_EXT) && !defined(COMPILE_DL_HASH)
703 PS(hash_ops) = NULL;
704 #endif
705
706 val = strtol(new_value, &endptr, 10);
707 if (endptr && (*endptr == '\0')) {
708
709 PS(hash_func) = val ? 1 : 0;
710
711 return SUCCESS;
712 }
713
714 if (new_value_length == (sizeof("md5") - 1) &&
715 strncasecmp(new_value, "md5", sizeof("md5") - 1) == 0) {
716 PS(hash_func) = PS_HASH_FUNC_MD5;
717
718 return SUCCESS;
719 }
720
721 if (new_value_length == (sizeof("sha1") - 1) &&
722 strncasecmp(new_value, "sha1", sizeof("sha1") - 1) == 0) {
723 PS(hash_func) = PS_HASH_FUNC_SHA1;
724
725 return SUCCESS;
726 }
727
728 #if defined(HAVE_HASH_EXT) && !defined(COMPILE_DL_HASH)
729 {
730 php_hash_ops *ops = (php_hash_ops*)php_hash_fetch_ops(new_value, new_value_length);
731
732 if (ops) {
733 PS(hash_func) = PS_HASH_FUNC_OTHER;
734 PS(hash_ops) = ops;
735
736 return SUCCESS;
737 }
738 }
739 #endif
740
741 php_error_docref(NULL TSRMLS_CC, E_WARNING, "session.configuration 'session.hash_function' must be existing hash function. %s does not exist.", new_value);
742 return FAILURE;
743 }
744
745
746 static PHP_INI_MH(OnUpdateRfc1867Freq)
747 {
748 int tmp;
749 tmp = zend_atoi(new_value, new_value_length);
750 if(tmp < 0) {
751 php_error_docref(NULL TSRMLS_CC, E_WARNING, "session.upload_progress.freq must be greater than or equal to zero");
752 return FAILURE;
753 }
754 if(new_value_length > 0 && new_value[new_value_length-1] == '%') {
755 if(tmp > 100) {
756 php_error_docref(NULL TSRMLS_CC, E_WARNING, "session.upload_progress.freq cannot be over 100%%");
757 return FAILURE;
758 }
759 PS(rfc1867_freq) = -tmp;
760 } else {
761 PS(rfc1867_freq) = tmp;
762 }
763 return SUCCESS;
764 }
765
766 static ZEND_INI_MH(OnUpdateSmartStr)
767 {
768 smart_str *p;
769 #ifndef ZTS
770 char *base = (char *) mh_arg2;
771 #else
772 char *base;
773
774 base = (char *) ts_resource(*((int *) mh_arg2));
775 #endif
776
777 p = (smart_str *) (base+(size_t) mh_arg1);
778
779 smart_str_sets(p, new_value);
780
781 return SUCCESS;
782 }
783
784
785
786
787 PHP_INI_BEGIN()
788 STD_PHP_INI_ENTRY("session.save_path", "", PHP_INI_ALL, OnUpdateSaveDir,save_path, php_ps_globals, ps_globals)
789 STD_PHP_INI_ENTRY("session.name", "PHPSESSID", PHP_INI_ALL, OnUpdateName, session_name, php_ps_globals, ps_globals)
790 PHP_INI_ENTRY("session.save_handler", "files", PHP_INI_ALL, OnUpdateSaveHandler)
791 STD_PHP_INI_BOOLEAN("session.auto_start", "0", PHP_INI_PERDIR, OnUpdateBool, auto_start, php_ps_globals, ps_globals)
792 STD_PHP_INI_ENTRY("session.gc_probability", "1", PHP_INI_ALL, OnUpdateLong, gc_probability, php_ps_globals, ps_globals)
793 STD_PHP_INI_ENTRY("session.gc_divisor", "100", PHP_INI_ALL, OnUpdateLong, gc_divisor, php_ps_globals, ps_globals)
794 STD_PHP_INI_ENTRY("session.gc_maxlifetime", "1440", PHP_INI_ALL, OnUpdateLong, gc_maxlifetime, php_ps_globals, ps_globals)
795 PHP_INI_ENTRY("session.serialize_handler", "php", PHP_INI_ALL, OnUpdateSerializer)
796 STD_PHP_INI_ENTRY("session.cookie_lifetime", "0", PHP_INI_ALL, OnUpdateLong, cookie_lifetime, php_ps_globals, ps_globals)
797 STD_PHP_INI_ENTRY("session.cookie_path", "/", PHP_INI_ALL, OnUpdateString, cookie_path, php_ps_globals, ps_globals)
798 STD_PHP_INI_ENTRY("session.cookie_domain", "", PHP_INI_ALL, OnUpdateString, cookie_domain, php_ps_globals, ps_globals)
799 STD_PHP_INI_BOOLEAN("session.cookie_secure", "", PHP_INI_ALL, OnUpdateBool, cookie_secure, php_ps_globals, ps_globals)
800 STD_PHP_INI_BOOLEAN("session.cookie_httponly", "", PHP_INI_ALL, OnUpdateBool, cookie_httponly, php_ps_globals, ps_globals)
801 STD_PHP_INI_BOOLEAN("session.use_cookies", "1", PHP_INI_ALL, OnUpdateBool, use_cookies, php_ps_globals, ps_globals)
802 STD_PHP_INI_BOOLEAN("session.use_only_cookies", "1", PHP_INI_ALL, OnUpdateBool, use_only_cookies, php_ps_globals, ps_globals)
803 STD_PHP_INI_BOOLEAN("session.use_strict_mode", "0", PHP_INI_ALL, OnUpdateBool, use_strict_mode, php_ps_globals, ps_globals)
804 STD_PHP_INI_ENTRY("session.referer_check", "", PHP_INI_ALL, OnUpdateString, extern_referer_chk, php_ps_globals, ps_globals)
805 #if HAVE_DEV_URANDOM
806 STD_PHP_INI_ENTRY("session.entropy_file", "/dev/urandom", PHP_INI_ALL, OnUpdateString, entropy_file, php_ps_globals, ps_globals)
807 STD_PHP_INI_ENTRY("session.entropy_length", "32", PHP_INI_ALL, OnUpdateLong, entropy_length, php_ps_globals, ps_globals)
808 #elif HAVE_DEV_ARANDOM
809 STD_PHP_INI_ENTRY("session.entropy_file", "/dev/arandom", PHP_INI_ALL, OnUpdateString, entropy_file, php_ps_globals, ps_globals)
810 STD_PHP_INI_ENTRY("session.entropy_length", "32", PHP_INI_ALL, OnUpdateLong, entropy_length, php_ps_globals, ps_globals)
811 #else
812 STD_PHP_INI_ENTRY("session.entropy_file", "", PHP_INI_ALL, OnUpdateString, entropy_file, php_ps_globals, ps_globals)
813 STD_PHP_INI_ENTRY("session.entropy_length", "0", PHP_INI_ALL, OnUpdateLong, entropy_length, php_ps_globals, ps_globals)
814 #endif
815 STD_PHP_INI_ENTRY("session.cache_limiter", "nocache", PHP_INI_ALL, OnUpdateString, cache_limiter, php_ps_globals, ps_globals)
816 STD_PHP_INI_ENTRY("session.cache_expire", "180", PHP_INI_ALL, OnUpdateLong, cache_expire, php_ps_globals, ps_globals)
817 PHP_INI_ENTRY("session.use_trans_sid", "0", PHP_INI_ALL, OnUpdateTransSid)
818 PHP_INI_ENTRY("session.hash_function", "0", PHP_INI_ALL, OnUpdateHashFunc)
819 STD_PHP_INI_ENTRY("session.hash_bits_per_character", "4", PHP_INI_ALL, OnUpdateLong, hash_bits_per_character, php_ps_globals, ps_globals)
820
821
822 STD_PHP_INI_BOOLEAN("session.upload_progress.enabled",
823 "1", ZEND_INI_PERDIR, OnUpdateBool, rfc1867_enabled, php_ps_globals, ps_globals)
824 STD_PHP_INI_BOOLEAN("session.upload_progress.cleanup",
825 "1", ZEND_INI_PERDIR, OnUpdateBool, rfc1867_cleanup, php_ps_globals, ps_globals)
826 STD_PHP_INI_ENTRY("session.upload_progress.prefix",
827 "upload_progress_", ZEND_INI_PERDIR, OnUpdateSmartStr, rfc1867_prefix, php_ps_globals, ps_globals)
828 STD_PHP_INI_ENTRY("session.upload_progress.name",
829 "PHP_SESSION_UPLOAD_PROGRESS", ZEND_INI_PERDIR, OnUpdateSmartStr, rfc1867_name, php_ps_globals, ps_globals)
830 STD_PHP_INI_ENTRY("session.upload_progress.freq", "1%", ZEND_INI_PERDIR, OnUpdateRfc1867Freq, rfc1867_freq, php_ps_globals, ps_globals)
831 STD_PHP_INI_ENTRY("session.upload_progress.min_freq",
832 "1", ZEND_INI_PERDIR, OnUpdateReal, rfc1867_min_freq,php_ps_globals, ps_globals)
833
834
835
836 PHP_INI_END()
837
838
839
840
841
842 PS_SERIALIZER_ENCODE_FUNC(php_serialize)
843 {
844 smart_str buf = {0};
845 php_serialize_data_t var_hash;
846
847 PHP_VAR_SERIALIZE_INIT(var_hash);
848 php_var_serialize(&buf, &PS(http_session_vars), &var_hash TSRMLS_CC);
849 PHP_VAR_SERIALIZE_DESTROY(var_hash);
850 if (newlen) {
851 *newlen = buf.len;
852 }
853 smart_str_0(&buf);
854 *newstr = buf.c;
855 return SUCCESS;
856 }
857
858
859 PS_SERIALIZER_DECODE_FUNC(php_serialize)
860 {
861 const char *endptr = val + vallen;
862 zval *session_vars;
863 php_unserialize_data_t var_hash;
864
865 PHP_VAR_UNSERIALIZE_INIT(var_hash);
866 ALLOC_INIT_ZVAL(session_vars);
867 if (php_var_unserialize(&session_vars, &val, endptr, &var_hash TSRMLS_CC)) {
868 var_push_dtor(&var_hash, &session_vars);
869 }
870
871 PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
872 if (PS(http_session_vars)) {
873 zval_ptr_dtor(&PS(http_session_vars));
874 }
875 if (Z_TYPE_P(session_vars) == IS_NULL) {
876 array_init(session_vars);
877 }
878 PS(http_session_vars) = session_vars;
879 ZEND_SET_GLOBAL_VAR_WITH_LENGTH("_SESSION", sizeof("_SESSION"), PS(http_session_vars), Z_REFCOUNT_P(PS(http_session_vars)) + 1, 1);
880 return SUCCESS;
881 }
882
883
884 #define PS_BIN_NR_OF_BITS 8
885 #define PS_BIN_UNDEF (1<<(PS_BIN_NR_OF_BITS-1))
886 #define PS_BIN_MAX (PS_BIN_UNDEF-1)
887
888 PS_SERIALIZER_ENCODE_FUNC(php_binary)
889 {
890 smart_str buf = {0};
891 php_serialize_data_t var_hash;
892 PS_ENCODE_VARS;
893
894 PHP_VAR_SERIALIZE_INIT(var_hash);
895
896 PS_ENCODE_LOOP(
897 if (key_length > PS_BIN_MAX) continue;
898 smart_str_appendc(&buf, (unsigned char) key_length);
899 smart_str_appendl(&buf, key, key_length);
900 php_var_serialize(&buf, struc, &var_hash TSRMLS_CC);
901 } else {
902 if (key_length > PS_BIN_MAX) continue;
903 smart_str_appendc(&buf, (unsigned char) (key_length & PS_BIN_UNDEF));
904 smart_str_appendl(&buf, key, key_length);
905 );
906
907 if (newlen) {
908 *newlen = buf.len;
909 }
910 smart_str_0(&buf);
911 *newstr = buf.c;
912 PHP_VAR_SERIALIZE_DESTROY(var_hash);
913
914 return SUCCESS;
915 }
916
917
918 PS_SERIALIZER_DECODE_FUNC(php_binary)
919 {
920 const char *p;
921 char *name;
922 const char *endptr = val + vallen;
923 zval *current;
924 int namelen;
925 int has_value;
926 php_unserialize_data_t var_hash;
927
928 PHP_VAR_UNSERIALIZE_INIT(var_hash);
929
930 for (p = val; p < endptr; ) {
931 zval **tmp;
932 namelen = ((unsigned char)(*p)) & (~PS_BIN_UNDEF);
933
934 if (namelen < 0 || namelen > PS_BIN_MAX || (p + namelen) >= endptr) {
935 return FAILURE;
936 }
937
938 has_value = *p & PS_BIN_UNDEF ? 0 : 1;
939
940 name = estrndup(p + 1, namelen);
941
942 p += namelen + 1;
943
944 if (zend_hash_find(&EG(symbol_table), name, namelen + 1, (void **) &tmp) == SUCCESS) {
945 if ((Z_TYPE_PP(tmp) == IS_ARRAY && Z_ARRVAL_PP(tmp) == &EG(symbol_table)) || *tmp == PS(http_session_vars)) {
946 efree(name);
947 continue;
948 }
949 }
950
951 if (has_value) {
952 ALLOC_INIT_ZVAL(current);
953 if (php_var_unserialize(¤t, (const unsigned char **) &p, (const unsigned char *) endptr, &var_hash TSRMLS_CC)) {
954 php_set_session_var(name, namelen, current, &var_hash TSRMLS_CC);
955 } else {
956 PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
957 return FAILURE;
958 }
959 var_push_dtor_no_addref(&var_hash, ¤t);
960 }
961 PS_ADD_VARL(name, namelen);
962 efree(name);
963 }
964
965 PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
966
967 return SUCCESS;
968 }
969
970
971 #define PS_DELIMITER '|'
972 #define PS_UNDEF_MARKER '!'
973
974 PS_SERIALIZER_ENCODE_FUNC(php)
975 {
976 smart_str buf = {0};
977 php_serialize_data_t var_hash;
978 PS_ENCODE_VARS;
979
980 PHP_VAR_SERIALIZE_INIT(var_hash);
981
982 PS_ENCODE_LOOP(
983 smart_str_appendl(&buf, key, key_length);
984 if (memchr(key, PS_DELIMITER, key_length) || memchr(key, PS_UNDEF_MARKER, key_length)) {
985 PHP_VAR_SERIALIZE_DESTROY(var_hash);
986 smart_str_free(&buf);
987 return FAILURE;
988 }
989 smart_str_appendc(&buf, PS_DELIMITER);
990
991 php_var_serialize(&buf, struc, &var_hash TSRMLS_CC);
992 } else {
993 smart_str_appendc(&buf, PS_UNDEF_MARKER);
994 smart_str_appendl(&buf, key, key_length);
995 smart_str_appendc(&buf, PS_DELIMITER);
996 );
997
998 if (newlen) {
999 *newlen = buf.len;
1000 }
1001 smart_str_0(&buf);
1002 *newstr = buf.c;
1003
1004 PHP_VAR_SERIALIZE_DESTROY(var_hash);
1005 return SUCCESS;
1006 }
1007
1008
1009 PS_SERIALIZER_DECODE_FUNC(php)
1010 {
1011 const char *p, *q;
1012 char *name;
1013 const char *endptr = val + vallen;
1014 zval *current;
1015 int namelen;
1016 int has_value;
1017 php_unserialize_data_t var_hash;
1018
1019 PHP_VAR_UNSERIALIZE_INIT(var_hash);
1020
1021 p = val;
1022
1023 while (p < endptr) {
1024 zval **tmp;
1025 q = p;
1026 while (*q != PS_DELIMITER) {
1027 if (++q >= endptr) goto break_outer_loop;
1028 }
1029 if (p[0] == PS_UNDEF_MARKER) {
1030 p++;
1031 has_value = 0;
1032 } else {
1033 has_value = 1;
1034 }
1035
1036 namelen = q - p;
1037 name = estrndup(p, namelen);
1038 q++;
1039
1040 if (zend_hash_find(&EG(symbol_table), name, namelen + 1, (void **) &tmp) == SUCCESS) {
1041 if ((Z_TYPE_PP(tmp) == IS_ARRAY && Z_ARRVAL_PP(tmp) == &EG(symbol_table)) || *tmp == PS(http_session_vars)) {
1042 goto skip;
1043 }
1044 }
1045
1046 if (has_value) {
1047 ALLOC_INIT_ZVAL(current);
1048 if (php_var_unserialize(¤t, (const unsigned char **) &q, (const unsigned char *) endptr, &var_hash TSRMLS_CC)) {
1049 php_set_session_var(name, namelen, current, &var_hash TSRMLS_CC);
1050 } else {
1051 var_push_dtor_no_addref(&var_hash, ¤t);
1052 efree(name);
1053 PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
1054 return FAILURE;
1055 }
1056 var_push_dtor_no_addref(&var_hash, ¤t);
1057 }
1058 PS_ADD_VARL(name, namelen);
1059 skip:
1060 efree(name);
1061
1062 p = q;
1063 }
1064 break_outer_loop:
1065
1066 PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
1067
1068 return SUCCESS;
1069 }
1070
1071
1072 #define MAX_SERIALIZERS 32
1073 #define PREDEFINED_SERIALIZERS 3
1074
1075 static ps_serializer ps_serializers[MAX_SERIALIZERS + 1] = {
1076 PS_SERIALIZER_ENTRY(php_serialize),
1077 PS_SERIALIZER_ENTRY(php),
1078 PS_SERIALIZER_ENTRY(php_binary)
1079 };
1080
1081 PHPAPI int php_session_register_serializer(const char *name, int (*encode)(PS_SERIALIZER_ENCODE_ARGS), int (*decode)(PS_SERIALIZER_DECODE_ARGS))
1082 {
1083 int ret = -1;
1084 int i;
1085
1086 for (i = 0; i < MAX_SERIALIZERS; i++) {
1087 if (ps_serializers[i].name == NULL) {
1088 ps_serializers[i].name = name;
1089 ps_serializers[i].encode = encode;
1090 ps_serializers[i].decode = decode;
1091 ps_serializers[i + 1].name = NULL;
1092 ret = 0;
1093 break;
1094 }
1095 }
1096 return ret;
1097 }
1098
1099
1100
1101
1102
1103
1104 #define MAX_MODULES 10
1105 #define PREDEFINED_MODULES 2
1106
1107 static ps_module *ps_modules[MAX_MODULES + 1] = {
1108 ps_files_ptr,
1109 ps_user_ptr
1110 };
1111
1112 PHPAPI int php_session_register_module(ps_module *ptr)
1113 {
1114 int ret = -1;
1115 int i;
1116
1117 for (i = 0; i < MAX_MODULES; i++) {
1118 if (!ps_modules[i]) {
1119 ps_modules[i] = ptr;
1120 ret = 0;
1121 break;
1122 }
1123 }
1124 return ret;
1125 }
1126
1127
1128
1129
1130
1131
1132 typedef struct {
1133 char *name;
1134 void (*func)(TSRMLS_D);
1135 } php_session_cache_limiter_t;
1136
1137 #define CACHE_LIMITER(name) _php_cache_limiter_##name
1138 #define CACHE_LIMITER_FUNC(name) static void CACHE_LIMITER(name)(TSRMLS_D)
1139 #define CACHE_LIMITER_ENTRY(name) { #name, CACHE_LIMITER(name) },
1140 #define ADD_HEADER(a) sapi_add_header(a, strlen(a), 1);
1141 #define MAX_STR 512
1142
1143 static char *month_names[] = {
1144 "Jan", "Feb", "Mar", "Apr", "May", "Jun",
1145 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
1146 };
1147
1148 static char *week_days[] = {
1149 "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"
1150 };
1151
1152 static inline void strcpy_gmt(char *ubuf, time_t *when)
1153 {
1154 char buf[MAX_STR];
1155 struct tm tm, *res;
1156 int n;
1157
1158 res = php_gmtime_r(when, &tm);
1159
1160 if (!res) {
1161 ubuf[0] = '\0';
1162 return;
1163 }
1164
1165 n = slprintf(buf, sizeof(buf), "%s, %02d %s %d %02d:%02d:%02d GMT",
1166 week_days[tm.tm_wday], tm.tm_mday,
1167 month_names[tm.tm_mon], tm.tm_year + 1900,
1168 tm.tm_hour, tm.tm_min,
1169 tm.tm_sec);
1170 memcpy(ubuf, buf, n);
1171 ubuf[n] = '\0';
1172 }
1173
1174
1175 static inline void last_modified(TSRMLS_D)
1176 {
1177 const char *path;
1178 struct stat sb;
1179 char buf[MAX_STR + 1];
1180
1181 path = SG(request_info).path_translated;
1182 if (path) {
1183 if (VCWD_STAT(path, &sb) == -1) {
1184 return;
1185 }
1186
1187 #define LAST_MODIFIED "Last-Modified: "
1188 memcpy(buf, LAST_MODIFIED, sizeof(LAST_MODIFIED) - 1);
1189 strcpy_gmt(buf + sizeof(LAST_MODIFIED) - 1, &sb.st_mtime);
1190 ADD_HEADER(buf);
1191 }
1192 }
1193
1194
1195 #define EXPIRES "Expires: "
1196 CACHE_LIMITER_FUNC(public)
1197 {
1198 char buf[MAX_STR + 1];
1199 struct timeval tv;
1200 time_t now;
1201
1202 gettimeofday(&tv, NULL);
1203 now = tv.tv_sec + PS(cache_expire) * 60;
1204 memcpy(buf, EXPIRES, sizeof(EXPIRES) - 1);
1205 strcpy_gmt(buf + sizeof(EXPIRES) - 1, &now);
1206 ADD_HEADER(buf);
1207
1208 snprintf(buf, sizeof(buf) , "Cache-Control: public, max-age=%ld", PS(cache_expire) * 60);
1209 ADD_HEADER(buf);
1210
1211 last_modified(TSRMLS_C);
1212 }
1213
1214
1215 CACHE_LIMITER_FUNC(private_no_expire)
1216 {
1217 char buf[MAX_STR + 1];
1218
1219 snprintf(buf, sizeof(buf), "Cache-Control: private, max-age=%ld, pre-check=%ld", PS(cache_expire) * 60, PS(cache_expire) * 60);
1220 ADD_HEADER(buf);
1221
1222 last_modified(TSRMLS_C);
1223 }
1224
1225
1226 CACHE_LIMITER_FUNC(private)
1227 {
1228 ADD_HEADER("Expires: Thu, 19 Nov 1981 08:52:00 GMT");
1229 CACHE_LIMITER(private_no_expire)(TSRMLS_C);
1230 }
1231
1232
1233 CACHE_LIMITER_FUNC(nocache)
1234 {
1235 ADD_HEADER("Expires: Thu, 19 Nov 1981 08:52:00 GMT");
1236
1237
1238 ADD_HEADER("Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0");
1239
1240
1241 ADD_HEADER("Pragma: no-cache");
1242 }
1243
1244
1245 static php_session_cache_limiter_t php_session_cache_limiters[] = {
1246 CACHE_LIMITER_ENTRY(public)
1247 CACHE_LIMITER_ENTRY(private)
1248 CACHE_LIMITER_ENTRY(private_no_expire)
1249 CACHE_LIMITER_ENTRY(nocache)
1250 {0}
1251 };
1252
1253 static int php_session_cache_limiter(TSRMLS_D)
1254 {
1255 php_session_cache_limiter_t *lim;
1256
1257 if (PS(cache_limiter)[0] == '\0') return 0;
1258
1259 if (SG(headers_sent)) {
1260 const char *output_start_filename = php_output_get_start_filename(TSRMLS_C);
1261 int output_start_lineno = php_output_get_start_lineno(TSRMLS_C);
1262
1263 if (output_start_filename) {
1264 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot send session cache limiter - headers already sent (output started at %s:%d)", output_start_filename, output_start_lineno);
1265 } else {
1266 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot send session cache limiter - headers already sent");
1267 }
1268 return -2;
1269 }
1270
1271 for (lim = php_session_cache_limiters; lim->name; lim++) {
1272 if (!strcasecmp(lim->name, PS(cache_limiter))) {
1273 lim->func(TSRMLS_C);
1274 return 0;
1275 }
1276 }
1277
1278 return -1;
1279 }
1280
1281
1282
1283
1284
1285
1286 #define COOKIE_SET_COOKIE "Set-Cookie: "
1287 #define COOKIE_EXPIRES "; expires="
1288 #define COOKIE_MAX_AGE "; Max-Age="
1289 #define COOKIE_PATH "; path="
1290 #define COOKIE_DOMAIN "; domain="
1291 #define COOKIE_SECURE "; secure"
1292 #define COOKIE_HTTPONLY "; HttpOnly"
1293
1294
1295
1296
1297
1298
1299 static void php_session_remove_cookie(TSRMLS_D) {
1300 sapi_header_struct *header;
1301 zend_llist *l = &SG(sapi_headers).headers;
1302 zend_llist_element *next;
1303 zend_llist_element *current;
1304 char *session_cookie, *e_session_name;
1305 int session_cookie_len, len = sizeof("Set-Cookie")-1;
1306
1307 e_session_name = php_url_encode(PS(session_name), strlen(PS(session_name)), NULL);
1308 spprintf(&session_cookie, 0, "Set-Cookie: %s=", e_session_name);
1309 efree(e_session_name);
1310
1311 session_cookie_len = strlen(session_cookie);
1312 current = l->head;
1313 while (current) {
1314 header = (sapi_header_struct *)(current->data);
1315 next = current->next;
1316 if (header->header_len > len && header->header[len] == ':'
1317 && !strncmp(header->header, session_cookie, session_cookie_len)) {
1318 if (current->prev) {
1319 current->prev->next = next;
1320 } else {
1321 l->head = next;
1322 }
1323 if (next) {
1324 next->prev = current->prev;
1325 } else {
1326 l->tail = current->prev;
1327 }
1328 sapi_free_header(header);
1329 efree(current);
1330 --l->count;
1331 }
1332 current = next;
1333 }
1334 efree(session_cookie);
1335 }
1336
1337 static void php_session_send_cookie(TSRMLS_D)
1338 {
1339 smart_str ncookie = {0};
1340 char *date_fmt = NULL;
1341 char *e_session_name, *e_id;
1342
1343 if (SG(headers_sent)) {
1344 const char *output_start_filename = php_output_get_start_filename(TSRMLS_C);
1345 int output_start_lineno = php_output_get_start_lineno(TSRMLS_C);
1346
1347 if (output_start_filename) {
1348 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot send session cookie - headers already sent by (output started at %s:%d)", output_start_filename, output_start_lineno);
1349 } else {
1350 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot send session cookie - headers already sent");
1351 }
1352 return;
1353 }
1354
1355
1356 e_session_name = php_url_encode(PS(session_name), strlen(PS(session_name)), NULL);
1357 e_id = php_url_encode(PS(id), strlen(PS(id)), NULL);
1358
1359 smart_str_appends(&ncookie, COOKIE_SET_COOKIE);
1360 smart_str_appends(&ncookie, e_session_name);
1361 smart_str_appendc(&ncookie, '=');
1362 smart_str_appends(&ncookie, e_id);
1363
1364 efree(e_session_name);
1365 efree(e_id);
1366
1367 if (PS(cookie_lifetime) > 0) {
1368 struct timeval tv;
1369 time_t t;
1370
1371 gettimeofday(&tv, NULL);
1372 t = tv.tv_sec + PS(cookie_lifetime);
1373
1374 if (t > 0) {
1375 date_fmt = php_format_date("D, d-M-Y H:i:s T", sizeof("D, d-M-Y H:i:s T")-1, t, 0 TSRMLS_CC);
1376 smart_str_appends(&ncookie, COOKIE_EXPIRES);
1377 smart_str_appends(&ncookie, date_fmt);
1378 efree(date_fmt);
1379
1380 smart_str_appends(&ncookie, COOKIE_MAX_AGE);
1381 smart_str_append_long(&ncookie, PS(cookie_lifetime));
1382 }
1383 }
1384
1385 if (PS(cookie_path)[0]) {
1386 smart_str_appends(&ncookie, COOKIE_PATH);
1387 smart_str_appends(&ncookie, PS(cookie_path));
1388 }
1389
1390 if (PS(cookie_domain)[0]) {
1391 smart_str_appends(&ncookie, COOKIE_DOMAIN);
1392 smart_str_appends(&ncookie, PS(cookie_domain));
1393 }
1394
1395 if (PS(cookie_secure)) {
1396 smart_str_appends(&ncookie, COOKIE_SECURE);
1397 }
1398
1399 if (PS(cookie_httponly)) {
1400 smart_str_appends(&ncookie, COOKIE_HTTPONLY);
1401 }
1402
1403 smart_str_0(&ncookie);
1404
1405 php_session_remove_cookie(TSRMLS_C);
1406 sapi_add_header_ex(ncookie.c, ncookie.len, 0, 0 TSRMLS_CC);
1407 }
1408
1409
1410 PHPAPI ps_module *_php_find_ps_module(char *name TSRMLS_DC)
1411 {
1412 ps_module *ret = NULL;
1413 ps_module **mod;
1414 int i;
1415
1416 for (i = 0, mod = ps_modules; i < MAX_MODULES; i++, mod++) {
1417 if (*mod && !strcasecmp(name, (*mod)->s_name)) {
1418 ret = *mod;
1419 break;
1420 }
1421 }
1422 return ret;
1423 }
1424
1425
1426 PHPAPI const ps_serializer *_php_find_ps_serializer(char *name TSRMLS_DC)
1427 {
1428 const ps_serializer *ret = NULL;
1429 const ps_serializer *mod;
1430
1431 for (mod = ps_serializers; mod->name; mod++) {
1432 if (!strcasecmp(name, mod->name)) {
1433 ret = mod;
1434 break;
1435 }
1436 }
1437 return ret;
1438 }
1439
1440
1441 static void ppid2sid(zval **ppid TSRMLS_DC) {
1442 if (Z_TYPE_PP(ppid) != IS_STRING) {
1443 PS(id) = NULL;
1444 PS(send_cookie) = 1;
1445 } else {
1446 convert_to_string((*ppid));
1447 PS(id) = estrndup(Z_STRVAL_PP(ppid), Z_STRLEN_PP(ppid));
1448 PS(send_cookie) = 0;
1449 }
1450 }
1451
1452 PHPAPI void php_session_reset_id(TSRMLS_D)
1453 {
1454 int module_number = PS(module_number);
1455
1456 if (!PS(id)) {
1457 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot set session ID - session ID is not initialized");
1458 return;
1459 }
1460
1461 if (PS(use_cookies) && PS(send_cookie)) {
1462 php_session_send_cookie(TSRMLS_C);
1463 PS(send_cookie) = 0;
1464 }
1465
1466
1467 zend_hash_del(EG(zend_constants), "sid", sizeof("sid"));
1468
1469 if (PS(define_sid)) {
1470 smart_str var = {0};
1471
1472 smart_str_appends(&var, PS(session_name));
1473 smart_str_appendc(&var, '=');
1474 smart_str_appends(&var, PS(id));
1475 smart_str_0(&var);
1476 REGISTER_STRINGL_CONSTANT("SID", var.c, var.len, 0);
1477 } else {
1478 REGISTER_STRINGL_CONSTANT("SID", STR_EMPTY_ALLOC(), 0, 0);
1479 }
1480
1481 if (PS(apply_trans_sid)) {
1482 php_url_scanner_reset_vars(TSRMLS_C);
1483 php_url_scanner_add_var(PS(session_name), strlen(PS(session_name)), PS(id), strlen(PS(id)), 1 TSRMLS_CC);
1484 }
1485 }
1486
1487
1488 PHPAPI void php_session_start(TSRMLS_D)
1489 {
1490 zval **ppid;
1491 zval **data;
1492 char *p, *value;
1493 int nrand;
1494 int lensess;
1495
1496 if (PS(use_only_cookies)) {
1497 PS(apply_trans_sid) = 0;
1498 } else {
1499 PS(apply_trans_sid) = PS(use_trans_sid);
1500 }
1501
1502 switch (PS(session_status)) {
1503 case php_session_active:
1504 php_error(E_NOTICE, "A session had already been started - ignoring session_start()");
1505 return;
1506 break;
1507
1508 case php_session_disabled:
1509 value = zend_ini_string("session.save_handler", sizeof("session.save_handler"), 0);
1510 if (!PS(mod) && value) {
1511 PS(mod) = _php_find_ps_module(value TSRMLS_CC);
1512 if (!PS(mod)) {
1513 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot find save handler '%s' - session startup failed", value);
1514 return;
1515 }
1516 }
1517 value = zend_ini_string("session.serialize_handler", sizeof("session.serialize_handler"), 0);
1518 if (!PS(serializer) && value) {
1519 PS(serializer) = _php_find_ps_serializer(value TSRMLS_CC);
1520 if (!PS(serializer)) {
1521 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot find serialization handler '%s' - session startup failed", value);
1522 return;
1523 }
1524 }
1525 PS(session_status) = php_session_none;
1526
1527
1528 default:
1529 case php_session_none:
1530 PS(define_sid) = 1;
1531 PS(send_cookie) = 1;
1532 }
1533
1534 lensess = strlen(PS(session_name));
1535
1536
1537
1538
1539 if (!PS(id)) {
1540 if (PS(use_cookies) && zend_hash_find(&EG(symbol_table), "_COOKIE", sizeof("_COOKIE"), (void **) &data) == SUCCESS &&
1541 Z_TYPE_PP(data) == IS_ARRAY &&
1542 zend_hash_find(Z_ARRVAL_PP(data), PS(session_name), lensess + 1, (void **) &ppid) == SUCCESS
1543 ) {
1544 ppid2sid(ppid TSRMLS_CC);
1545 PS(apply_trans_sid) = 0;
1546 PS(define_sid) = 0;
1547 }
1548
1549 if (!PS(use_only_cookies) && !PS(id) &&
1550 zend_hash_find(&EG(symbol_table), "_GET", sizeof("_GET"), (void **) &data) == SUCCESS &&
1551 Z_TYPE_PP(data) == IS_ARRAY &&
1552 zend_hash_find(Z_ARRVAL_PP(data), PS(session_name), lensess + 1, (void **) &ppid) == SUCCESS
1553 ) {
1554 ppid2sid(ppid TSRMLS_CC);
1555 }
1556
1557 if (!PS(use_only_cookies) && !PS(id) &&
1558 zend_hash_find(&EG(symbol_table), "_POST", sizeof("_POST"), (void **) &data) == SUCCESS &&
1559 Z_TYPE_PP(data) == IS_ARRAY &&
1560 zend_hash_find(Z_ARRVAL_PP(data), PS(session_name), lensess + 1, (void **) &ppid) == SUCCESS
1561 ) {
1562 ppid2sid(ppid TSRMLS_CC);
1563 }
1564 }
1565
1566
1567
1568
1569
1570 if (!PS(use_only_cookies) && !PS(id) && PG(http_globals)[TRACK_VARS_SERVER] &&
1571 zend_hash_find(Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_SERVER]), "REQUEST_URI", sizeof("REQUEST_URI"), (void **) &data) == SUCCESS &&
1572 Z_TYPE_PP(data) == IS_STRING &&
1573 (p = strstr(Z_STRVAL_PP(data), PS(session_name))) &&
1574 p[lensess] == '='
1575 ) {
1576 char *q;
1577
1578 p += lensess + 1;
1579 if ((q = strpbrk(p, "/?\\"))) {
1580 PS(id) = estrndup(p, q - p);
1581 PS(send_cookie) = 0;
1582 }
1583 }
1584
1585
1586
1587
1588 if (PS(id) &&
1589 PS(extern_referer_chk)[0] != '\0' &&
1590 PG(http_globals)[TRACK_VARS_SERVER] &&
1591 zend_hash_find(Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_SERVER]), "HTTP_REFERER", sizeof("HTTP_REFERER"), (void **) &data) == SUCCESS &&
1592 Z_TYPE_PP(data) == IS_STRING &&
1593 Z_STRLEN_PP(data) != 0 &&
1594 strstr(Z_STRVAL_PP(data), PS(extern_referer_chk)) == NULL
1595 ) {
1596 efree(PS(id));
1597 PS(id) = NULL;
1598 PS(send_cookie) = 1;
1599 if (PS(use_trans_sid) && !PS(use_only_cookies)) {
1600 PS(apply_trans_sid) = 1;
1601 }
1602 }
1603
1604
1605
1606 if (PS(id) && strpbrk(PS(id), "\r\n\t <>'\"\\")) {
1607 efree(PS(id));
1608 PS(id) = NULL;
1609 }
1610
1611 php_session_initialize(TSRMLS_C);
1612 php_session_cache_limiter(TSRMLS_C);
1613
1614 if ((PS(mod_data) || PS(mod_user_implemented)) && PS(gc_probability) > 0) {
1615 int nrdels = -1;
1616
1617 nrand = (int) ((float) PS(gc_divisor) * php_combined_lcg(TSRMLS_C));
1618 if (nrand < PS(gc_probability)) {
1619 PS(mod)->s_gc(&PS(mod_data), PS(gc_maxlifetime), &nrdels TSRMLS_CC);
1620 #ifdef SESSION_DEBUG
1621 if (nrdels != -1) {
1622 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "purged %d expired session objects", nrdels);
1623 }
1624 #endif
1625 }
1626 }
1627 }
1628
1629
1630 static void php_session_flush(TSRMLS_D)
1631 {
1632 if (PS(session_status) == php_session_active) {
1633 PS(session_status) = php_session_none;
1634 php_session_save_current_state(TSRMLS_C);
1635 }
1636 }
1637
1638
1639 static void php_session_abort(TSRMLS_D)
1640 {
1641 if (PS(session_status) == php_session_active) {
1642 PS(session_status) = php_session_none;
1643 if (PS(mod_data) || PS(mod_user_implemented)) {
1644 PS(mod)->s_close(&PS(mod_data) TSRMLS_CC);
1645 }
1646 }
1647 }
1648
1649
1650 static void php_session_reset(TSRMLS_D)
1651 {
1652 if (PS(session_status) == php_session_active) {
1653 php_session_initialize(TSRMLS_C);
1654 }
1655 }
1656
1657
1658
1659 PHPAPI void session_adapt_url(const char *url, size_t urllen, char **new, size_t *newlen TSRMLS_DC)
1660 {
1661 if (PS(apply_trans_sid) && (PS(session_status) == php_session_active)) {
1662 *new = php_url_scanner_adapt_single_url(url, urllen, PS(session_name), PS(id), newlen TSRMLS_CC);
1663 }
1664 }
1665
1666
1667
1668
1669
1670
1671
1672
1673 static PHP_FUNCTION(session_set_cookie_params)
1674 {
1675 zval **lifetime = NULL;
1676 char *path = NULL, *domain = NULL;
1677 int path_len, domain_len, argc = ZEND_NUM_ARGS();
1678 zend_bool secure = 0, httponly = 0;
1679
1680 if (!PS(use_cookies) ||
1681 zend_parse_parameters(argc TSRMLS_CC, "Z|ssbb", &lifetime, &path, &path_len, &domain, &domain_len, &secure, &httponly) == FAILURE) {
1682 return;
1683 }
1684
1685 convert_to_string_ex(lifetime);
1686
1687 zend_alter_ini_entry("session.cookie_lifetime", sizeof("session.cookie_lifetime"), Z_STRVAL_PP(lifetime), Z_STRLEN_PP(lifetime), PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
1688
1689 if (path) {
1690 zend_alter_ini_entry("session.cookie_path", sizeof("session.cookie_path"), path, path_len, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
1691 }
1692 if (domain) {
1693 zend_alter_ini_entry("session.cookie_domain", sizeof("session.cookie_domain"), domain, domain_len, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
1694 }
1695
1696 if (argc > 3) {
1697 zend_alter_ini_entry("session.cookie_secure", sizeof("session.cookie_secure"), secure ? "1" : "0", 1, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
1698 }
1699 if (argc > 4) {
1700 zend_alter_ini_entry("session.cookie_httponly", sizeof("session.cookie_httponly"), httponly ? "1" : "0", 1, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
1701 }
1702 }
1703
1704
1705
1706
1707 static PHP_FUNCTION(session_get_cookie_params)
1708 {
1709 if (zend_parse_parameters_none() == FAILURE) {
1710 return;
1711 }
1712
1713 array_init(return_value);
1714
1715 add_assoc_long(return_value, "lifetime", PS(cookie_lifetime));
1716 add_assoc_string(return_value, "path", PS(cookie_path), 1);
1717 add_assoc_string(return_value, "domain", PS(cookie_domain), 1);
1718 add_assoc_bool(return_value, "secure", PS(cookie_secure));
1719 add_assoc_bool(return_value, "httponly", PS(cookie_httponly));
1720 }
1721
1722
1723
1724
1725 static PHP_FUNCTION(session_name)
1726 {
1727 char *name = NULL;
1728 int name_len;
1729
1730 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &name, &name_len) == FAILURE) {
1731 return;
1732 }
1733
1734 RETVAL_STRING(PS(session_name), 1);
1735
1736 if (name) {
1737 zend_alter_ini_entry("session.name", sizeof("session.name"), name, name_len, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
1738 }
1739 }
1740
1741
1742
1743
1744 static PHP_FUNCTION(session_module_name)
1745 {
1746 char *name = NULL;
1747 int name_len;
1748
1749 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &name, &name_len) == FAILURE) {
1750 return;
1751 }
1752
1753
1754 if (PS(mod) && PS(mod)->s_name) {
1755 RETVAL_STRING(safe_estrdup(PS(mod)->s_name), 0);
1756 } else {
1757 RETVAL_EMPTY_STRING();
1758 }
1759
1760 if (name) {
1761 if (!_php_find_ps_module(name TSRMLS_CC)) {
1762 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot find named PHP session module (%s)", name);
1763
1764 zval_dtor(return_value);
1765 RETURN_FALSE;
1766 }
1767 if (PS(mod_data) || PS(mod_user_implemented)) {
1768 PS(mod)->s_close(&PS(mod_data) TSRMLS_CC);
1769 }
1770 PS(mod_data) = NULL;
1771
1772 zend_alter_ini_entry("session.save_handler", sizeof("session.save_handler"), name, name_len, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
1773 }
1774 }
1775
1776
1777
1778
1779 static PHP_FUNCTION(session_set_save_handler)
1780 {
1781 zval ***args = NULL;
1782 int i, num_args, argc = ZEND_NUM_ARGS();
1783 char *name;
1784
1785 if (PS(session_status) != php_session_none) {
1786 RETURN_FALSE;
1787 }
1788
1789 if (argc > 0 && argc <= 2) {
1790 zval *obj = NULL, *callback = NULL;
1791 zend_uint func_name_len;
1792 char *func_name;
1793 HashPosition pos;
1794 zend_function *default_mptr, *current_mptr;
1795 ulong func_index;
1796 php_shutdown_function_entry shutdown_function_entry;
1797 zend_bool register_shutdown = 1;
1798
1799 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O|b", &obj, php_session_iface_entry, ®ister_shutdown) == FAILURE) {
1800 RETURN_FALSE;
1801 }
1802
1803
1804 zend_hash_internal_pointer_reset_ex(&php_session_iface_entry->function_table, &pos);
1805 i = 0;
1806 while (zend_hash_get_current_data_ex(&php_session_iface_entry->function_table, (void **) &default_mptr, &pos) == SUCCESS) {
1807 zend_hash_get_current_key_ex(&php_session_iface_entry->function_table, &func_name, &func_name_len, &func_index, 0, &pos);
1808
1809 if (zend_hash_find(&Z_OBJCE_P(obj)->function_table, func_name, func_name_len, (void **)¤t_mptr) == SUCCESS) {
1810 if (PS(mod_user_names).names[i] != NULL) {
1811 zval_ptr_dtor(&PS(mod_user_names).names[i]);
1812 }
1813
1814 MAKE_STD_ZVAL(callback);
1815 array_init_size(callback, 2);
1816 Z_ADDREF_P(obj);
1817 add_next_index_zval(callback, obj);
1818 add_next_index_stringl(callback, func_name, func_name_len - 1, 1);
1819 PS(mod_user_names).names[i] = callback;
1820 } else {
1821 php_error_docref(NULL TSRMLS_CC, E_ERROR, "Session handler's function table is corrupt");
1822 RETURN_FALSE;
1823 }
1824
1825 zend_hash_move_forward_ex(&php_session_iface_entry->function_table, &pos);
1826 ++i;
1827 }
1828
1829
1830 zend_hash_internal_pointer_reset_ex(&php_session_id_iface_entry->function_table, &pos);
1831 while (zend_hash_get_current_data_ex(&php_session_id_iface_entry->function_table, (void **) &default_mptr, &pos) == SUCCESS) {
1832 zend_hash_get_current_key_ex(&php_session_id_iface_entry->function_table, &func_name, &func_name_len, &func_index, 0, &pos);
1833
1834 if (zend_hash_find(&Z_OBJCE_P(obj)->function_table, func_name, func_name_len, (void **)¤t_mptr) == SUCCESS) {
1835 if (PS(mod_user_names).names[i] != NULL) {
1836 zval_ptr_dtor(&PS(mod_user_names).names[i]);
1837 }
1838
1839 MAKE_STD_ZVAL(callback);
1840 array_init_size(callback, 2);
1841 Z_ADDREF_P(obj);
1842 add_next_index_zval(callback, obj);
1843 add_next_index_stringl(callback, func_name, func_name_len - 1, 1);
1844 PS(mod_user_names).names[i] = callback;
1845 }
1846
1847 zend_hash_move_forward_ex(&php_session_id_iface_entry->function_table, &pos);
1848 ++i;
1849 }
1850
1851 if (register_shutdown) {
1852
1853 shutdown_function_entry.arg_count = 1;
1854 shutdown_function_entry.arguments = (zval **) safe_emalloc(sizeof(zval *), 1, 0);
1855
1856 MAKE_STD_ZVAL(callback);
1857 ZVAL_STRING(callback, "session_register_shutdown", 1);
1858 shutdown_function_entry.arguments[0] = callback;
1859
1860
1861 if (!register_user_shutdown_function("session_shutdown", sizeof("session_shutdown"), &shutdown_function_entry TSRMLS_CC)) {
1862 zval_ptr_dtor(&callback);
1863 efree(shutdown_function_entry.arguments);
1864 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to register session shutdown function");
1865 RETURN_FALSE;
1866 }
1867 } else {
1868
1869 remove_user_shutdown_function("session_shutdown", sizeof("session_shutdown") TSRMLS_CC);
1870 }
1871
1872 if (PS(mod) && PS(session_status) == php_session_none && PS(mod) != &ps_mod_user) {
1873 zend_alter_ini_entry("session.save_handler", sizeof("session.save_handler"), "user", sizeof("user")-1, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
1874 }
1875
1876 RETURN_TRUE;
1877 }
1878
1879 if (argc != 6 && argc != 7) {
1880 WRONG_PARAM_COUNT;
1881 }
1882
1883 if (zend_parse_parameters(argc TSRMLS_CC, "+", &args, &num_args) == FAILURE) {
1884 return;
1885 }
1886
1887
1888 remove_user_shutdown_function("session_shutdown", sizeof("session_shutdown") TSRMLS_CC);
1889
1890
1891 for (i = 0; i < argc; i++) {
1892 if (!zend_is_callable(*args[i], 0, &name TSRMLS_CC)) {
1893 efree(args);
1894 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Argument %d is not a valid callback", i+1);
1895 efree(name);
1896 RETURN_FALSE;
1897 }
1898 efree(name);
1899 }
1900
1901 if (PS(mod) && PS(mod) != &ps_mod_user) {
1902 zend_alter_ini_entry("session.save_handler", sizeof("session.save_handler"), "user", sizeof("user")-1, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
1903 }
1904
1905 for (i = 0; i < argc; i++) {
1906 if (PS(mod_user_names).names[i] != NULL) {
1907 zval_ptr_dtor(&PS(mod_user_names).names[i]);
1908 }
1909 Z_ADDREF_PP(args[i]);
1910 PS(mod_user_names).names[i] = *args[i];
1911 }
1912
1913 efree(args);
1914 RETURN_TRUE;
1915 }
1916
1917
1918
1919
1920 static PHP_FUNCTION(session_save_path)
1921 {
1922 char *name = NULL;
1923 int name_len;
1924
1925 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &name, &name_len) == FAILURE) {
1926 return;
1927 }
1928
1929 RETVAL_STRING(PS(save_path), 1);
1930
1931 if (name) {
1932 if (memchr(name, '\0', name_len) != NULL) {
1933 php_error_docref(NULL TSRMLS_CC, E_WARNING, "The save_path cannot contain NULL characters");
1934 zval_dtor(return_value);
1935 RETURN_FALSE;
1936 }
1937 zend_alter_ini_entry("session.save_path", sizeof("session.save_path"), name, name_len, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
1938 }
1939 }
1940
1941
1942
1943
1944 static PHP_FUNCTION(session_id)
1945 {
1946 char *name = NULL;
1947 int name_len, argc = ZEND_NUM_ARGS();
1948
1949 if (zend_parse_parameters(argc TSRMLS_CC, "|s", &name, &name_len) == FAILURE) {
1950 return;
1951 }
1952
1953 if (PS(id)) {
1954 RETVAL_STRING(PS(id), 1);
1955 } else {
1956 RETVAL_EMPTY_STRING();
1957 }
1958
1959 if (name) {
1960 if (PS(id)) {
1961 efree(PS(id));
1962 }
1963 PS(id) = estrndup(name, name_len);
1964 }
1965 }
1966
1967
1968
1969
1970 static PHP_FUNCTION(session_regenerate_id)
1971 {
1972 zend_bool del_ses = 0;
1973
1974 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|b", &del_ses) == FAILURE) {
1975 return;
1976 }
1977
1978 if (SG(headers_sent) && PS(use_cookies)) {
1979 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot regenerate session id - headers already sent");
1980 RETURN_FALSE;
1981 }
1982
1983 if (PS(session_status) == php_session_active) {
1984 if (PS(id)) {
1985 if (del_ses && PS(mod)->s_destroy(&PS(mod_data), PS(id) TSRMLS_CC) == FAILURE) {
1986 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Session object destruction failed");
1987 RETURN_FALSE;
1988 }
1989 efree(PS(id));
1990 }
1991
1992 PS(id) = PS(mod)->s_create_sid(&PS(mod_data), NULL TSRMLS_CC);
1993 if (PS(id)) {
1994 PS(send_cookie) = 1;
1995 php_session_reset_id(TSRMLS_C);
1996 RETURN_TRUE;
1997 } else {
1998 PS(id) = STR_EMPTY_ALLOC();
1999 }
2000 }
2001 RETURN_FALSE;
2002 }
2003
2004
2005
2006
2007 static PHP_FUNCTION(session_cache_limiter)
2008 {
2009 char *limiter = NULL;
2010 int limiter_len;
2011
2012 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &limiter, &limiter_len) == FAILURE) {
2013 return;
2014 }
2015
2016 RETVAL_STRING(PS(cache_limiter), 1);
2017
2018 if (limiter) {
2019 zend_alter_ini_entry("session.cache_limiter", sizeof("session.cache_limiter"), limiter, limiter_len, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
2020 }
2021 }
2022
2023
2024
2025
2026 static PHP_FUNCTION(session_cache_expire)
2027 {
2028 zval **expires = NULL;
2029 int argc = ZEND_NUM_ARGS();
2030
2031 if (zend_parse_parameters(argc TSRMLS_CC, "|Z", &expires) == FAILURE) {
2032 return;
2033 }
2034
2035 RETVAL_LONG(PS(cache_expire));
2036
2037 if (argc == 1) {
2038 convert_to_string_ex(expires);
2039 zend_alter_ini_entry("session.cache_expire", sizeof("session.cache_expire"), Z_STRVAL_PP(expires), Z_STRLEN_PP(expires), ZEND_INI_USER, ZEND_INI_STAGE_RUNTIME);
2040 }
2041 }
2042
2043
2044
2045
2046 static PHP_FUNCTION(session_encode)
2047 {
2048 int len;
2049 char *enc;
2050
2051 if (zend_parse_parameters_none() == FAILURE) {
2052 return;
2053 }
2054
2055 enc = php_session_encode(&len TSRMLS_CC);
2056 if (enc == NULL) {
2057 RETURN_FALSE;
2058 }
2059
2060 RETVAL_STRINGL(enc, len, 0);
2061 }
2062
2063
2064
2065
2066 static PHP_FUNCTION(session_decode)
2067 {
2068 char *str;
2069 int str_len;
2070
2071 if (PS(session_status) == php_session_none) {
2072 RETURN_FALSE;
2073 }
2074
2075 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &str, &str_len) == FAILURE) {
2076 return;
2077 }
2078
2079 RETVAL_BOOL(php_session_decode(str, str_len TSRMLS_CC) == SUCCESS);
2080 }
2081
2082
2083
2084
2085 static PHP_FUNCTION(session_start)
2086 {
2087
2088 if (PS(id) && !strlen(PS(id))) {
2089 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot start session with empty session ID");
2090 RETURN_FALSE;
2091 }
2092
2093 php_session_start(TSRMLS_C);
2094
2095 if (PS(session_status) != php_session_active) {
2096 RETURN_FALSE;
2097 }
2098 RETURN_TRUE;
2099 }
2100
2101
2102
2103
2104 static PHP_FUNCTION(session_destroy)
2105 {
2106 if (zend_parse_parameters_none() == FAILURE) {
2107 return;
2108 }
2109
2110 RETURN_BOOL(php_session_destroy(TSRMLS_C) == SUCCESS);
2111 }
2112
2113
2114
2115
2116 static PHP_FUNCTION(session_unset)
2117 {
2118 if (PS(session_status) == php_session_none) {
2119 RETURN_FALSE;
2120 }
2121
2122 IF_SESSION_VARS() {
2123 HashTable *ht_sess_var;
2124
2125 SEPARATE_ZVAL_IF_NOT_REF(&PS(http_session_vars));
2126 ht_sess_var = Z_ARRVAL_P(PS(http_session_vars));
2127
2128
2129 zend_hash_clean(ht_sess_var);
2130 }
2131 }
2132
2133
2134
2135
2136 static PHP_FUNCTION(session_write_close)
2137 {
2138 php_session_flush(TSRMLS_C);
2139 }
2140
2141
2142
2143
2144 static PHP_FUNCTION(session_abort)
2145 {
2146 php_session_abort(TSRMLS_C);
2147 }
2148
2149
2150
2151
2152 static PHP_FUNCTION(session_reset)
2153 {
2154 php_session_reset(TSRMLS_C);
2155 }
2156
2157
2158
2159
2160 static PHP_FUNCTION(session_status)
2161 {
2162 if (zend_parse_parameters_none() == FAILURE) {
2163 return;
2164 }
2165
2166 RETURN_LONG(PS(session_status));
2167 }
2168
2169
2170
2171
2172 static PHP_FUNCTION(session_register_shutdown)
2173 {
2174 php_shutdown_function_entry shutdown_function_entry;
2175 zval *callback;
2176
2177
2178
2179
2180
2181
2182
2183
2184 shutdown_function_entry.arg_count = 1;
2185 shutdown_function_entry.arguments = (zval **) safe_emalloc(sizeof(zval *), 1, 0);
2186
2187 MAKE_STD_ZVAL(callback);
2188 ZVAL_STRING(callback, "session_write_close", 1);
2189 shutdown_function_entry.arguments[0] = callback;
2190
2191 if (!append_user_shutdown_function(shutdown_function_entry TSRMLS_CC)) {
2192 zval_ptr_dtor(&callback);
2193 efree(shutdown_function_entry.arguments);
2194
2195
2196
2197
2198
2199
2200
2201 php_session_flush(TSRMLS_C);
2202 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to register session flush function");
2203 }
2204 }
2205
2206
2207
2208 ZEND_BEGIN_ARG_INFO_EX(arginfo_session_name, 0, 0, 0)
2209 ZEND_ARG_INFO(0, name)
2210 ZEND_END_ARG_INFO()
2211
2212 ZEND_BEGIN_ARG_INFO_EX(arginfo_session_module_name, 0, 0, 0)
2213 ZEND_ARG_INFO(0, module)
2214 ZEND_END_ARG_INFO()
2215
2216 ZEND_BEGIN_ARG_INFO_EX(arginfo_session_save_path, 0, 0, 0)
2217 ZEND_ARG_INFO(0, path)
2218 ZEND_END_ARG_INFO()
2219
2220 ZEND_BEGIN_ARG_INFO_EX(arginfo_session_id, 0, 0, 0)
2221 ZEND_ARG_INFO(0, id)
2222 ZEND_END_ARG_INFO()
2223
2224 ZEND_BEGIN_ARG_INFO_EX(arginfo_session_regenerate_id, 0, 0, 0)
2225 ZEND_ARG_INFO(0, delete_old_session)
2226 ZEND_END_ARG_INFO()
2227
2228 ZEND_BEGIN_ARG_INFO_EX(arginfo_session_decode, 0, 0, 1)
2229 ZEND_ARG_INFO(0, data)
2230 ZEND_END_ARG_INFO()
2231
2232 ZEND_BEGIN_ARG_INFO(arginfo_session_void, 0)
2233 ZEND_END_ARG_INFO()
2234
2235 ZEND_BEGIN_ARG_INFO_EX(arginfo_session_set_save_handler, 0, 0, 1)
2236 ZEND_ARG_INFO(0, open)
2237 ZEND_ARG_INFO(0, close)
2238 ZEND_ARG_INFO(0, read)
2239 ZEND_ARG_INFO(0, write)
2240 ZEND_ARG_INFO(0, destroy)
2241 ZEND_ARG_INFO(0, gc)
2242 ZEND_ARG_INFO(0, create_sid)
2243 ZEND_END_ARG_INFO()
2244
2245 ZEND_BEGIN_ARG_INFO_EX(arginfo_session_cache_limiter, 0, 0, 0)
2246 ZEND_ARG_INFO(0, cache_limiter)
2247 ZEND_END_ARG_INFO()
2248
2249 ZEND_BEGIN_ARG_INFO_EX(arginfo_session_cache_expire, 0, 0, 0)
2250 ZEND_ARG_INFO(0, new_cache_expire)
2251 ZEND_END_ARG_INFO()
2252
2253 ZEND_BEGIN_ARG_INFO_EX(arginfo_session_set_cookie_params, 0, 0, 1)
2254 ZEND_ARG_INFO(0, lifetime)
2255 ZEND_ARG_INFO(0, path)
2256 ZEND_ARG_INFO(0, domain)
2257 ZEND_ARG_INFO(0, secure)
2258 ZEND_ARG_INFO(0, httponly)
2259 ZEND_END_ARG_INFO()
2260
2261 ZEND_BEGIN_ARG_INFO(arginfo_session_class_open, 0)
2262 ZEND_ARG_INFO(0, save_path)
2263 ZEND_ARG_INFO(0, session_name)
2264 ZEND_END_ARG_INFO()
2265
2266 ZEND_BEGIN_ARG_INFO(arginfo_session_class_close, 0)
2267 ZEND_END_ARG_INFO()
2268
2269 ZEND_BEGIN_ARG_INFO(arginfo_session_class_read, 0)
2270 ZEND_ARG_INFO(0, key)
2271 ZEND_END_ARG_INFO()
2272
2273 ZEND_BEGIN_ARG_INFO(arginfo_session_class_write, 0)
2274 ZEND_ARG_INFO(0, key)
2275 ZEND_ARG_INFO(0, val)
2276 ZEND_END_ARG_INFO()
2277
2278 ZEND_BEGIN_ARG_INFO(arginfo_session_class_destroy, 0)
2279 ZEND_ARG_INFO(0, key)
2280 ZEND_END_ARG_INFO()
2281
2282 ZEND_BEGIN_ARG_INFO(arginfo_session_class_gc, 0)
2283 ZEND_ARG_INFO(0, maxlifetime)
2284 ZEND_END_ARG_INFO()
2285
2286 ZEND_BEGIN_ARG_INFO(arginfo_session_class_create_sid, 0)
2287 ZEND_END_ARG_INFO()
2288
2289
2290
2291
2292 static const zend_function_entry session_functions[] = {
2293 PHP_FE(session_name, arginfo_session_name)
2294 PHP_FE(session_module_name, arginfo_session_module_name)
2295 PHP_FE(session_save_path, arginfo_session_save_path)
2296 PHP_FE(session_id, arginfo_session_id)
2297 PHP_FE(session_regenerate_id, arginfo_session_regenerate_id)
2298 PHP_FE(session_decode, arginfo_session_decode)
2299 PHP_FE(session_encode, arginfo_session_void)
2300 PHP_FE(session_start, arginfo_session_void)
2301 PHP_FE(session_destroy, arginfo_session_void)
2302 PHP_FE(session_unset, arginfo_session_void)
2303 PHP_FE(session_set_save_handler, arginfo_session_set_save_handler)
2304 PHP_FE(session_cache_limiter, arginfo_session_cache_limiter)
2305 PHP_FE(session_cache_expire, arginfo_session_cache_expire)
2306 PHP_FE(session_set_cookie_params, arginfo_session_set_cookie_params)
2307 PHP_FE(session_get_cookie_params, arginfo_session_void)
2308 PHP_FE(session_write_close, arginfo_session_void)
2309 PHP_FE(session_abort, arginfo_session_void)
2310 PHP_FE(session_reset, arginfo_session_void)
2311 PHP_FE(session_status, arginfo_session_void)
2312 PHP_FE(session_register_shutdown, arginfo_session_void)
2313 PHP_FALIAS(session_commit, session_write_close, arginfo_session_void)
2314 PHP_FE_END
2315 };
2316
2317
2318
2319
2320 static const zend_function_entry php_session_iface_functions[] = {
2321 PHP_ABSTRACT_ME(SessionHandlerInterface, open, arginfo_session_class_open)
2322 PHP_ABSTRACT_ME(SessionHandlerInterface, close, arginfo_session_class_close)
2323 PHP_ABSTRACT_ME(SessionHandlerInterface, read, arginfo_session_class_read)
2324 PHP_ABSTRACT_ME(SessionHandlerInterface, write, arginfo_session_class_write)
2325 PHP_ABSTRACT_ME(SessionHandlerInterface, destroy, arginfo_session_class_destroy)
2326 PHP_ABSTRACT_ME(SessionHandlerInterface, gc, arginfo_session_class_gc)
2327 { NULL, NULL, NULL }
2328 };
2329
2330
2331
2332
2333 static const zend_function_entry php_session_id_iface_functions[] = {
2334 PHP_ABSTRACT_ME(SessionIdInterface, create_sid, arginfo_session_class_create_sid)
2335 { NULL, NULL, NULL }
2336 };
2337
2338
2339
2340
2341 static const zend_function_entry php_session_class_functions[] = {
2342 PHP_ME(SessionHandler, open, arginfo_session_class_open, ZEND_ACC_PUBLIC)
2343 PHP_ME(SessionHandler, close, arginfo_session_class_close, ZEND_ACC_PUBLIC)
2344 PHP_ME(SessionHandler, read, arginfo_session_class_read, ZEND_ACC_PUBLIC)
2345 PHP_ME(SessionHandler, write, arginfo_session_class_write, ZEND_ACC_PUBLIC)
2346 PHP_ME(SessionHandler, destroy, arginfo_session_class_destroy, ZEND_ACC_PUBLIC)
2347 PHP_ME(SessionHandler, gc, arginfo_session_class_gc, ZEND_ACC_PUBLIC)
2348 PHP_ME(SessionHandler, create_sid, arginfo_session_class_create_sid, ZEND_ACC_PUBLIC)
2349 { NULL, NULL, NULL }
2350 };
2351
2352
2353
2354
2355
2356
2357 static int php_rinit_session(zend_bool auto_start TSRMLS_DC)
2358 {
2359 php_rinit_session_globals(TSRMLS_C);
2360
2361 if (PS(mod) == NULL) {
2362 char *value;
2363
2364 value = zend_ini_string("session.save_handler", sizeof("session.save_handler"), 0);
2365 if (value) {
2366 PS(mod) = _php_find_ps_module(value TSRMLS_CC);
2367 }
2368 }
2369
2370 if (PS(serializer) == NULL) {
2371 char *value;
2372
2373 value = zend_ini_string("session.serialize_handler", sizeof("session.serialize_handler"), 0);
2374 if (value) {
2375 PS(serializer) = _php_find_ps_serializer(value TSRMLS_CC);
2376 }
2377 }
2378
2379 if (PS(mod) == NULL || PS(serializer) == NULL) {
2380
2381 PS(session_status) = php_session_disabled;
2382 return SUCCESS;
2383 }
2384
2385 if (auto_start) {
2386 php_session_start(TSRMLS_C);
2387 }
2388
2389 return SUCCESS;
2390 }
2391
2392 static PHP_RINIT_FUNCTION(session)
2393 {
2394 return php_rinit_session(PS(auto_start) TSRMLS_CC);
2395 }
2396
2397
2398 static PHP_RSHUTDOWN_FUNCTION(session)
2399 {
2400 int i;
2401
2402 zend_try {
2403 php_session_flush(TSRMLS_C);
2404 } zend_end_try();
2405 php_rshutdown_session_globals(TSRMLS_C);
2406
2407
2408 for (i = 0; i < 7; i++) {
2409 if (PS(mod_user_names).names[i] != NULL) {
2410 zval_ptr_dtor(&PS(mod_user_names).names[i]);
2411 PS(mod_user_names).names[i] = NULL;
2412 }
2413 }
2414
2415 return SUCCESS;
2416 }
2417
2418
2419 static PHP_GINIT_FUNCTION(ps)
2420 {
2421 int i;
2422
2423 ps_globals->save_path = NULL;
2424 ps_globals->session_name = NULL;
2425 ps_globals->id = NULL;
2426 ps_globals->mod = NULL;
2427 ps_globals->serializer = NULL;
2428 ps_globals->mod_data = NULL;
2429 ps_globals->session_status = php_session_none;
2430 ps_globals->default_mod = NULL;
2431 ps_globals->mod_user_implemented = 0;
2432 ps_globals->mod_user_is_open = 0;
2433 for (i = 0; i < 7; i++) {
2434 ps_globals->mod_user_names.names[i] = NULL;
2435 }
2436 ps_globals->http_session_vars = NULL;
2437 }
2438
2439
2440 static PHP_MINIT_FUNCTION(session)
2441 {
2442 zend_class_entry ce;
2443
2444 zend_register_auto_global("_SESSION", sizeof("_SESSION")-1, 0, NULL TSRMLS_CC);
2445
2446 PS(module_number) = module_number;
2447
2448 PS(session_status) = php_session_none;
2449 REGISTER_INI_ENTRIES();
2450
2451 #ifdef HAVE_LIBMM
2452 PHP_MINIT(ps_mm) (INIT_FUNC_ARGS_PASSTHRU);
2453 #endif
2454 php_session_rfc1867_orig_callback = php_rfc1867_callback;
2455 php_rfc1867_callback = php_session_rfc1867_callback;
2456
2457
2458 INIT_CLASS_ENTRY(ce, PS_IFACE_NAME, php_session_iface_functions);
2459 php_session_iface_entry = zend_register_internal_class(&ce TSRMLS_CC);
2460 php_session_iface_entry->ce_flags |= ZEND_ACC_INTERFACE;
2461
2462 INIT_CLASS_ENTRY(ce, PS_SID_IFACE_NAME, php_session_id_iface_functions);
2463 php_session_id_iface_entry = zend_register_internal_class(&ce TSRMLS_CC);
2464 php_session_id_iface_entry->ce_flags |= ZEND_ACC_INTERFACE;
2465
2466
2467 INIT_CLASS_ENTRY(ce, PS_CLASS_NAME, php_session_class_functions);
2468 php_session_class_entry = zend_register_internal_class(&ce TSRMLS_CC);
2469 zend_class_implements(php_session_class_entry TSRMLS_CC, 1, php_session_iface_entry);
2470 zend_class_implements(php_session_class_entry TSRMLS_CC, 1, php_session_id_iface_entry);
2471
2472 REGISTER_LONG_CONSTANT("PHP_SESSION_DISABLED", php_session_disabled, CONST_CS | CONST_PERSISTENT);
2473 REGISTER_LONG_CONSTANT("PHP_SESSION_NONE", php_session_none, CONST_CS | CONST_PERSISTENT);
2474 REGISTER_LONG_CONSTANT("PHP_SESSION_ACTIVE", php_session_active, CONST_CS | CONST_PERSISTENT);
2475
2476 return SUCCESS;
2477 }
2478
2479
2480 static PHP_MSHUTDOWN_FUNCTION(session)
2481 {
2482 UNREGISTER_INI_ENTRIES();
2483
2484 #ifdef HAVE_LIBMM
2485 PHP_MSHUTDOWN(ps_mm) (SHUTDOWN_FUNC_ARGS_PASSTHRU);
2486 #endif
2487
2488
2489 php_session_rfc1867_orig_callback = NULL;
2490 if (php_rfc1867_callback == php_session_rfc1867_callback) {
2491 php_rfc1867_callback = NULL;
2492 }
2493
2494 ps_serializers[PREDEFINED_SERIALIZERS].name = NULL;
2495 memset(&ps_modules[PREDEFINED_MODULES], 0, (MAX_MODULES-PREDEFINED_MODULES)*sizeof(ps_module *));
2496
2497 return SUCCESS;
2498 }
2499
2500
2501 static PHP_MINFO_FUNCTION(session)
2502 {
2503 ps_module **mod;
2504 ps_serializer *ser;
2505 smart_str save_handlers = {0};
2506 smart_str ser_handlers = {0};
2507 int i;
2508
2509
2510 for (i = 0, mod = ps_modules; i < MAX_MODULES; i++, mod++) {
2511 if (*mod && (*mod)->s_name) {
2512 smart_str_appends(&save_handlers, (*mod)->s_name);
2513 smart_str_appendc(&save_handlers, ' ');
2514 }
2515 }
2516
2517
2518 for (i = 0, ser = ps_serializers; i < MAX_SERIALIZERS; i++, ser++) {
2519 if (ser && ser->name) {
2520 smart_str_appends(&ser_handlers, ser->name);
2521 smart_str_appendc(&ser_handlers, ' ');
2522 }
2523 }
2524
2525 php_info_print_table_start();
2526 php_info_print_table_row(2, "Session Support", "enabled" );
2527
2528 if (save_handlers.c) {
2529 smart_str_0(&save_handlers);
2530 php_info_print_table_row(2, "Registered save handlers", save_handlers.c);
2531 smart_str_free(&save_handlers);
2532 } else {
2533 php_info_print_table_row(2, "Registered save handlers", "none");
2534 }
2535
2536 if (ser_handlers.c) {
2537 smart_str_0(&ser_handlers);
2538 php_info_print_table_row(2, "Registered serializer handlers", ser_handlers.c);
2539 smart_str_free(&ser_handlers);
2540 } else {
2541 php_info_print_table_row(2, "Registered serializer handlers", "none");
2542 }
2543
2544 php_info_print_table_end();
2545
2546 DISPLAY_INI_ENTRIES();
2547 }
2548
2549
2550 static const zend_module_dep session_deps[] = {
2551 ZEND_MOD_OPTIONAL("hash")
2552 ZEND_MOD_REQUIRED("spl")
2553 ZEND_MOD_END
2554 };
2555
2556
2557
2558
2559
2560
2561 static zend_bool early_find_sid_in(zval *dest, int where, php_session_rfc1867_progress *progress TSRMLS_DC)
2562 {
2563 zval **ppid;
2564
2565 if (!PG(http_globals)[where]) {
2566 return 0;
2567 }
2568
2569 if (zend_hash_find(Z_ARRVAL_P(PG(http_globals)[where]), PS(session_name), progress->sname_len+1, (void **)&ppid) == SUCCESS
2570 && Z_TYPE_PP(ppid) == IS_STRING) {
2571 zval_dtor(dest);
2572 ZVAL_ZVAL(dest, *ppid, 1, 0);
2573 return 1;
2574 }
2575
2576 return 0;
2577 }
2578
2579 static void php_session_rfc1867_early_find_sid(php_session_rfc1867_progress *progress TSRMLS_DC)
2580 {
2581
2582 if (PS(use_cookies)) {
2583 sapi_module.treat_data(PARSE_COOKIE, NULL, NULL TSRMLS_CC);
2584 if (early_find_sid_in(&progress->sid, TRACK_VARS_COOKIE, progress TSRMLS_CC)) {
2585 progress->apply_trans_sid = 0;
2586 return;
2587 }
2588 }
2589 if (PS(use_only_cookies)) {
2590 return;
2591 }
2592 sapi_module.treat_data(PARSE_GET, NULL, NULL TSRMLS_CC);
2593 early_find_sid_in(&progress->sid, TRACK_VARS_GET, progress TSRMLS_CC);
2594 }
2595
2596 static zend_bool php_check_cancel_upload(php_session_rfc1867_progress *progress TSRMLS_DC)
2597 {
2598 zval **progress_ary, **cancel_upload;
2599
2600 if (zend_symtable_find(Z_ARRVAL_P(PS(http_session_vars)), progress->key.c, progress->key.len+1, (void**)&progress_ary) != SUCCESS) {
2601 return 0;
2602 }
2603 if (Z_TYPE_PP(progress_ary) != IS_ARRAY) {
2604 return 0;
2605 }
2606 if (zend_hash_find(Z_ARRVAL_PP(progress_ary), "cancel_upload", sizeof("cancel_upload"), (void**)&cancel_upload) != SUCCESS) {
2607 return 0;
2608 }
2609 return Z_TYPE_PP(cancel_upload) == IS_BOOL && Z_LVAL_PP(cancel_upload);
2610 }
2611
2612 static void php_session_rfc1867_update(php_session_rfc1867_progress *progress, int force_update TSRMLS_DC)
2613 {
2614 if (!force_update) {
2615 if (Z_LVAL_P(progress->post_bytes_processed) < progress->next_update) {
2616 return;
2617 }
2618 #ifdef HAVE_GETTIMEOFDAY
2619 if (PS(rfc1867_min_freq) > 0.0) {
2620 struct timeval tv = {0};
2621 double dtv;
2622 gettimeofday(&tv, NULL);
2623 dtv = (double) tv.tv_sec + tv.tv_usec / 1000000.0;
2624 if (dtv < progress->next_update_time) {
2625 return;
2626 }
2627 progress->next_update_time = dtv + PS(rfc1867_min_freq);
2628 }
2629 #endif
2630 progress->next_update = Z_LVAL_P(progress->post_bytes_processed) + progress->update_step;
2631 }
2632
2633 php_session_initialize(TSRMLS_C);
2634 PS(session_status) = php_session_active;
2635 IF_SESSION_VARS() {
2636 progress->cancel_upload |= php_check_cancel_upload(progress TSRMLS_CC);
2637 ZEND_SET_SYMBOL_WITH_LENGTH(Z_ARRVAL_P(PS(http_session_vars)), progress->key.c, progress->key.len+1, progress->data, 2, 0);
2638 }
2639 php_session_flush(TSRMLS_C);
2640 }
2641
2642 static void php_session_rfc1867_cleanup(php_session_rfc1867_progress *progress TSRMLS_DC)
2643 {
2644 php_session_initialize(TSRMLS_C);
2645 PS(session_status) = php_session_active;
2646 IF_SESSION_VARS() {
2647 zend_hash_del(Z_ARRVAL_P(PS(http_session_vars)), progress->key.c, progress->key.len+1);
2648 }
2649 php_session_flush(TSRMLS_C);
2650 }
2651
2652 static int php_session_rfc1867_callback(unsigned int event, void *event_data, void **extra TSRMLS_DC)
2653 {
2654 php_session_rfc1867_progress *progress;
2655 int retval = SUCCESS;
2656
2657 if (php_session_rfc1867_orig_callback) {
2658 retval = php_session_rfc1867_orig_callback(event, event_data, extra TSRMLS_CC);
2659 }
2660 if (!PS(rfc1867_enabled)) {
2661 return retval;
2662 }
2663
2664 progress = PS(rfc1867_progress);
2665
2666 switch(event) {
2667 case MULTIPART_EVENT_START: {
2668 multipart_event_start *data = (multipart_event_start *) event_data;
2669 progress = ecalloc(1, sizeof(php_session_rfc1867_progress));
2670 progress->content_length = data->content_length;
2671 progress->sname_len = strlen(PS(session_name));
2672 PS(rfc1867_progress) = progress;
2673 }
2674 break;
2675 case MULTIPART_EVENT_FORMDATA: {
2676 multipart_event_formdata *data = (multipart_event_formdata *) event_data;
2677 size_t value_len;
2678
2679 if (Z_TYPE(progress->sid) && progress->key.c) {
2680 break;
2681 }
2682
2683
2684 if (data->newlength) {
2685 value_len = *data->newlength;
2686 } else {
2687 value_len = data->length;
2688 }
2689
2690 if (data->name && data->value && value_len) {
2691 size_t name_len = strlen(data->name);
2692
2693 if (name_len == progress->sname_len && memcmp(data->name, PS(session_name), name_len) == 0) {
2694 zval_dtor(&progress->sid);
2695 ZVAL_STRINGL(&progress->sid, (*data->value), value_len, 1);
2696
2697 } else if (name_len == PS(rfc1867_name).len && memcmp(data->name, PS(rfc1867_name).c, name_len) == 0) {
2698 smart_str_free(&progress->key);
2699 smart_str_appendl(&progress->key, PS(rfc1867_prefix).c, PS(rfc1867_prefix).len);
2700 smart_str_appendl(&progress->key, *data->value, value_len);
2701 smart_str_0(&progress->key);
2702
2703 progress->apply_trans_sid = PS(use_trans_sid);
2704 php_session_rfc1867_early_find_sid(progress TSRMLS_CC);
2705 }
2706 }
2707 }
2708 break;
2709 case MULTIPART_EVENT_FILE_START: {
2710 multipart_event_file_start *data = (multipart_event_file_start *) event_data;
2711
2712
2713
2714 if (!Z_TYPE(progress->sid) || !progress->key.c) {
2715 break;
2716 }
2717
2718
2719 if (!progress->data) {
2720
2721 if (PS(rfc1867_freq) >= 0) {
2722 progress->update_step = PS(rfc1867_freq);
2723 } else if (PS(rfc1867_freq) < 0) {
2724 progress->update_step = progress->content_length * -PS(rfc1867_freq) / 100;
2725 }
2726 progress->next_update = 0;
2727 progress->next_update_time = 0.0;
2728
2729 ALLOC_INIT_ZVAL(progress->data);
2730 array_init(progress->data);
2731
2732 ALLOC_INIT_ZVAL(progress->post_bytes_processed);
2733 ZVAL_LONG(progress->post_bytes_processed, data->post_bytes_processed);
2734
2735 ALLOC_INIT_ZVAL(progress->files);
2736 array_init(progress->files);
2737
2738 add_assoc_long_ex(progress->data, "start_time", sizeof("start_time"), (long)sapi_get_request_time(TSRMLS_C));
2739 add_assoc_long_ex(progress->data, "content_length", sizeof("content_length"), progress->content_length);
2740 add_assoc_zval_ex(progress->data, "bytes_processed", sizeof("bytes_processed"), progress->post_bytes_processed);
2741 add_assoc_bool_ex(progress->data, "done", sizeof("done"), 0);
2742 add_assoc_zval_ex(progress->data, "files", sizeof("files"), progress->files);
2743
2744 php_rinit_session(0 TSRMLS_CC);
2745 PS(id) = estrndup(Z_STRVAL(progress->sid), Z_STRLEN(progress->sid));
2746 PS(apply_trans_sid) = progress->apply_trans_sid;
2747 PS(send_cookie) = 0;
2748 }
2749
2750 ALLOC_INIT_ZVAL(progress->current_file);
2751 array_init(progress->current_file);
2752
2753 ALLOC_INIT_ZVAL(progress->current_file_bytes_processed);
2754 ZVAL_LONG(progress->current_file_bytes_processed, 0);
2755
2756
2757 add_assoc_string_ex(progress->current_file, "field_name", sizeof("field_name"), data->name, 1);
2758 add_assoc_string_ex(progress->current_file, "name", sizeof("name"), *data->filename, 1);
2759 add_assoc_null_ex(progress->current_file, "tmp_name", sizeof("tmp_name"));
2760 add_assoc_long_ex(progress->current_file, "error", sizeof("error"), 0);
2761
2762 add_assoc_bool_ex(progress->current_file, "done", sizeof("done"), 0);
2763 add_assoc_long_ex(progress->current_file, "start_time", sizeof("start_time"), (long)time(NULL));
2764 add_assoc_zval_ex(progress->current_file, "bytes_processed", sizeof("bytes_processed"), progress->current_file_bytes_processed);
2765
2766 add_next_index_zval(progress->files, progress->current_file);
2767
2768 Z_LVAL_P(progress->post_bytes_processed) = data->post_bytes_processed;
2769
2770 php_session_rfc1867_update(progress, 0 TSRMLS_CC);
2771 }
2772 break;
2773 case MULTIPART_EVENT_FILE_DATA: {
2774 multipart_event_file_data *data = (multipart_event_file_data *) event_data;
2775
2776 if (!Z_TYPE(progress->sid) || !progress->key.c) {
2777 break;
2778 }
2779
2780 Z_LVAL_P(progress->current_file_bytes_processed) = data->offset + data->length;
2781 Z_LVAL_P(progress->post_bytes_processed) = data->post_bytes_processed;
2782
2783 php_session_rfc1867_update(progress, 0 TSRMLS_CC);
2784 }
2785 break;
2786 case MULTIPART_EVENT_FILE_END: {
2787 multipart_event_file_end *data = (multipart_event_file_end *) event_data;
2788
2789 if (!Z_TYPE(progress->sid) || !progress->key.c) {
2790 break;
2791 }
2792
2793 if (data->temp_filename) {
2794 add_assoc_string_ex(progress->current_file, "tmp_name", sizeof("tmp_name"), data->temp_filename, 1);
2795 }
2796 add_assoc_long_ex(progress->current_file, "error", sizeof("error"), data->cancel_upload);
2797 add_assoc_bool_ex(progress->current_file, "done", sizeof("done"), 1);
2798
2799 Z_LVAL_P(progress->post_bytes_processed) = data->post_bytes_processed;
2800
2801 php_session_rfc1867_update(progress, 0 TSRMLS_CC);
2802 }
2803 break;
2804 case MULTIPART_EVENT_END: {
2805 multipart_event_end *data = (multipart_event_end *) event_data;
2806
2807 if (Z_TYPE(progress->sid) && progress->key.c) {
2808 if (PS(rfc1867_cleanup)) {
2809 php_session_rfc1867_cleanup(progress TSRMLS_CC);
2810 } else {
2811 add_assoc_bool_ex(progress->data, "done", sizeof("done"), 1);
2812 Z_LVAL_P(progress->post_bytes_processed) = data->post_bytes_processed;
2813 php_session_rfc1867_update(progress, 1 TSRMLS_CC);
2814 }
2815 php_rshutdown_session_globals(TSRMLS_C);
2816 }
2817
2818 if (progress->data) {
2819 zval_ptr_dtor(&progress->data);
2820 }
2821 zval_dtor(&progress->sid);
2822 smart_str_free(&progress->key);
2823 efree(progress);
2824 progress = NULL;
2825 PS(rfc1867_progress) = NULL;
2826 }
2827 break;
2828 }
2829
2830 if (progress && progress->cancel_upload) {
2831 return FAILURE;
2832 }
2833 return retval;
2834
2835 }
2836
2837 zend_module_entry session_module_entry = {
2838 STANDARD_MODULE_HEADER_EX,
2839 NULL,
2840 session_deps,
2841 "session",
2842 session_functions,
2843 PHP_MINIT(session), PHP_MSHUTDOWN(session),
2844 PHP_RINIT(session), PHP_RSHUTDOWN(session),
2845 PHP_MINFO(session),
2846 NO_VERSION_YET,
2847 PHP_MODULE_GLOBALS(ps),
2848 PHP_GINIT(ps),
2849 NULL,
2850 NULL,
2851 STANDARD_MODULE_PROPERTIES_EX
2852 };
2853
2854 #ifdef COMPILE_DL_SESSION
2855 ZEND_GET_MODULE(session)
2856 #endif
2857
2858
2859
2860
2861
2862
2863
2864
2865