Annotation of embedaddon/php/ext/session/session.c, revision 1.1.1.3
1.1 misho 1: /*
2: +----------------------------------------------------------------------+
3: | PHP Version 5 |
4: +----------------------------------------------------------------------+
1.1.1.3 ! misho 5: | Copyright (c) 1997-2013 The PHP Group |
1.1 misho 6: +----------------------------------------------------------------------+
7: | This source file is subject to version 3.01 of the PHP license, |
8: | that is bundled with this package in the file LICENSE, and is |
9: | available through the world-wide-web at the following url: |
10: | http://www.php.net/license/3_01.txt |
11: | If you did not receive a copy of the PHP license and are unable to |
12: | obtain it through the world-wide-web, please send a note to |
13: | license@php.net so we can mail you a copy immediately. |
14: +----------------------------------------------------------------------+
15: | Authors: Sascha Schumann <sascha@schumann.cx> |
16: | Andrei Zmievski <andrei@php.net> |
17: +----------------------------------------------------------------------+
18: */
19:
1.1.1.2 misho 20: /* $Id$ */
1.1 misho 21:
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
1.1.1.2 misho 32: # include <sys/time.h>
1.1 misho 33: #endif
34:
35: #include <sys/stat.h>
36: #include <fcntl.h>
37:
38: #include "php_ini.h"
39: #include "SAPI.h"
1.1.1.2 misho 40: #include "rfc1867.h"
41: #include "php_variables.h"
1.1 misho 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" /* for RAND_MAX */
50: #include "ext/standard/info.h"
51: #include "ext/standard/php_smart_str.h"
52: #include "ext/standard/url.h"
1.1.1.2 misho 53: #include "ext/standard/basic_functions.h"
1.1 misho 54:
55: #include "mod_files.h"
56: #include "mod_user.h"
57:
58: #ifdef HAVE_LIBMM
59: #include "mod_mm.h"
60: #endif
61:
1.1.1.3 ! misho 62: PHPAPI ZEND_DECLARE_MODULE_GLOBALS(ps)
1.1 misho 63:
1.1.1.2 misho 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: /* SessionHandler class */
68: zend_class_entry *php_session_class_entry;
69:
70: /* SessionHandlerInterface */
71: zend_class_entry *php_session_iface_entry;
72:
1.1 misho 73: /* ***********
74: * Helpers *
75: *********** */
76:
77: #define IF_SESSION_VARS() \
78: if (PS(http_session_vars) && PS(http_session_vars)->type == IS_ARRAY)
79:
80: #define SESSION_CHECK_ACTIVE_STATE \
81: if (PS(session_status) == php_session_active) { \
82: php_error_docref(NULL TSRMLS_CC, E_WARNING, "A session is active. You cannot change the session module's ini settings at this time"); \
83: return FAILURE; \
84: }
85:
86: /* Dispatched by RINIT and by php_session_destroy */
87: static inline void php_rinit_session_globals(TSRMLS_D) /* {{{ */
88: {
89: PS(id) = NULL;
90: PS(session_status) = php_session_none;
91: PS(mod_data) = NULL;
1.1.1.2 misho 92: PS(mod_user_is_open) = 0;
1.1 misho 93: /* Do NOT init PS(mod_user_names) here! */
94: PS(http_session_vars) = NULL;
95: }
96: /* }}} */
97:
98: /* Dispatched by RSHUTDOWN and by php_session_destroy */
99: static inline void php_rshutdown_session_globals(TSRMLS_D) /* {{{ */
100: {
101: if (PS(http_session_vars)) {
102: zval_ptr_dtor(&PS(http_session_vars));
103: PS(http_session_vars) = NULL;
104: }
105: /* Do NOT destroy PS(mod_user_names) here! */
1.1.1.2 misho 106: if (PS(mod_data) || PS(mod_user_implemented)) {
1.1 misho 107: zend_try {
108: PS(mod)->s_close(&PS(mod_data) TSRMLS_CC);
109: } zend_end_try();
110: }
111: if (PS(id)) {
112: efree(PS(id));
113: }
114: }
115: /* }}} */
116:
117: static int php_session_destroy(TSRMLS_D) /* {{{ */
118: {
119: int retval = SUCCESS;
120:
121: if (PS(session_status) != php_session_active) {
122: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Trying to destroy uninitialized session");
123: return FAILURE;
124: }
125:
126: if (PS(mod)->s_destroy(&PS(mod_data), PS(id) TSRMLS_CC) == FAILURE) {
127: retval = FAILURE;
128: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Session object destruction failed");
129: }
130:
131: php_rshutdown_session_globals(TSRMLS_C);
132: php_rinit_session_globals(TSRMLS_C);
133:
134: return retval;
135: }
136: /* }}} */
137:
138: PHPAPI void php_add_session_var(char *name, size_t namelen TSRMLS_DC) /* {{{ */
139: {
140: zval **sym_track = NULL;
141:
142: IF_SESSION_VARS() {
143: zend_hash_find(Z_ARRVAL_P(PS(http_session_vars)), name, namelen + 1, (void *) &sym_track);
144: } else {
145: return;
146: }
147:
1.1.1.2 misho 148: if (sym_track == NULL) {
149: zval *empty_var;
1.1 misho 150:
1.1.1.2 misho 151: ALLOC_INIT_ZVAL(empty_var);
152: ZEND_SET_SYMBOL_WITH_LENGTH(Z_ARRVAL_P(PS(http_session_vars)), name, namelen+1, empty_var, 1, 0);
1.1 misho 153: }
154: }
155: /* }}} */
156:
157: PHPAPI void php_set_session_var(char *name, size_t namelen, zval *state_val, php_unserialize_data_t *var_hash TSRMLS_DC) /* {{{ */
158: {
1.1.1.2 misho 159: IF_SESSION_VARS() {
1.1 misho 160: zend_set_hash_symbol(state_val, name, namelen, PZVAL_IS_REF(state_val), 1, Z_ARRVAL_P(PS(http_session_vars)));
161: }
162: }
163: /* }}} */
164:
165: PHPAPI int php_get_session_var(char *name, size_t namelen, zval ***state_var TSRMLS_DC) /* {{{ */
166: {
167: int ret = FAILURE;
168:
169: IF_SESSION_VARS() {
170: ret = zend_hash_find(Z_ARRVAL_P(PS(http_session_vars)), name, namelen + 1, (void **) state_var);
171: }
172: return ret;
173: }
174: /* }}} */
175:
176: static void php_session_track_init(TSRMLS_D) /* {{{ */
177: {
178: zval *session_vars = NULL;
179:
1.1.1.2 misho 180: /* Unconditionally destroy existing array -- possible dirty data */
1.1 misho 181: zend_delete_global_variable("_SESSION", sizeof("_SESSION")-1 TSRMLS_CC);
182:
183: if (PS(http_session_vars)) {
184: zval_ptr_dtor(&PS(http_session_vars));
185: }
186:
187: MAKE_STD_ZVAL(session_vars);
188: array_init(session_vars);
189: PS(http_session_vars) = session_vars;
190:
1.1.1.2 misho 191: ZEND_SET_GLOBAL_VAR_WITH_LENGTH("_SESSION", sizeof("_SESSION"), PS(http_session_vars), 2, 1);
1.1 misho 192: }
193: /* }}} */
194:
195: static char *php_session_encode(int *newlen TSRMLS_DC) /* {{{ */
196: {
197: char *ret = NULL;
198:
199: IF_SESSION_VARS() {
200: if (!PS(serializer)) {
201: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown session.serialize_handler. Failed to encode session object");
202: ret = NULL;
203: } else if (PS(serializer)->encode(&ret, newlen TSRMLS_CC) == FAILURE) {
204: ret = NULL;
205: }
206: } else {
207: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot encode non-existent session");
208: }
209: return ret;
210: }
211: /* }}} */
212:
213: static void php_session_decode(const char *val, int vallen TSRMLS_DC) /* {{{ */
214: {
215: if (!PS(serializer)) {
216: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown session.serialize_handler. Failed to decode session object");
217: return;
218: }
219: if (PS(serializer)->decode(val, vallen TSRMLS_CC) == FAILURE) {
220: php_session_destroy(TSRMLS_C);
221: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to decode session object. Session has been destroyed");
222: }
223: }
224: /* }}} */
225:
226: /*
227: * Note that we cannot use the BASE64 alphabet here, because
228: * it contains "/" and "+": both are unacceptable for simple inclusion
229: * into URLs.
230: */
231:
232: static char hexconvtab[] = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ,-";
233:
234: enum {
235: PS_HASH_FUNC_MD5,
236: PS_HASH_FUNC_SHA1,
237: PS_HASH_FUNC_OTHER
238: };
239:
240: /* returns a pointer to the byte after the last valid character in out */
241: static char *bin_to_readable(char *in, size_t inlen, char *out, char nbits) /* {{{ */
242: {
243: unsigned char *p, *q;
244: unsigned short w;
245: int mask;
246: int have;
247:
248: p = (unsigned char *) in;
249: q = (unsigned char *)in + inlen;
250:
251: w = 0;
252: have = 0;
253: mask = (1 << nbits) - 1;
254:
255: while (1) {
256: if (have < nbits) {
257: if (p < q) {
258: w |= *p++ << have;
259: have += 8;
260: } else {
261: /* consumed everything? */
262: if (have == 0) break;
263: /* No? We need a final round */
264: have = nbits;
265: }
266: }
267:
268: /* consume nbits */
269: *out++ = hexconvtab[w & mask];
270: w >>= nbits;
271: have -= nbits;
272: }
273:
274: *out = '\0';
275: return out;
276: }
277: /* }}} */
278:
279: PHPAPI char *php_session_create_id(PS_CREATE_SID_ARGS) /* {{{ */
280: {
281: PHP_MD5_CTX md5_context;
282: PHP_SHA1_CTX sha1_context;
283: #if defined(HAVE_HASH_EXT) && !defined(COMPILE_DL_HASH)
284: void *hash_context;
285: #endif
286: unsigned char *digest;
287: int digest_len;
288: int j;
289: char *buf, *outid;
290: struct timeval tv;
291: zval **array;
292: zval **token;
293: char *remote_addr = NULL;
294:
295: gettimeofday(&tv, NULL);
296:
297: if (zend_hash_find(&EG(symbol_table), "_SERVER", sizeof("_SERVER"), (void **) &array) == SUCCESS &&
298: Z_TYPE_PP(array) == IS_ARRAY &&
299: zend_hash_find(Z_ARRVAL_PP(array), "REMOTE_ADDR", sizeof("REMOTE_ADDR"), (void **) &token) == SUCCESS
300: ) {
301: remote_addr = Z_STRVAL_PP(token);
302: }
303:
304: /* maximum 15+19+19+10 bytes */
305: 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);
306:
307: switch (PS(hash_func)) {
308: case PS_HASH_FUNC_MD5:
309: PHP_MD5Init(&md5_context);
310: PHP_MD5Update(&md5_context, (unsigned char *) buf, strlen(buf));
311: digest_len = 16;
312: break;
313: case PS_HASH_FUNC_SHA1:
314: PHP_SHA1Init(&sha1_context);
315: PHP_SHA1Update(&sha1_context, (unsigned char *) buf, strlen(buf));
316: digest_len = 20;
317: break;
318: #if defined(HAVE_HASH_EXT) && !defined(COMPILE_DL_HASH)
319: case PS_HASH_FUNC_OTHER:
320: if (!PS(hash_ops)) {
321: php_error_docref(NULL TSRMLS_CC, E_ERROR, "Invalid session hash function");
322: efree(buf);
323: return NULL;
324: }
325:
326: hash_context = emalloc(PS(hash_ops)->context_size);
327: PS(hash_ops)->hash_init(hash_context);
328: PS(hash_ops)->hash_update(hash_context, (unsigned char *) buf, strlen(buf));
329: digest_len = PS(hash_ops)->digest_size;
330: break;
331: #endif /* HAVE_HASH_EXT */
332: default:
333: php_error_docref(NULL TSRMLS_CC, E_ERROR, "Invalid session hash function");
334: efree(buf);
335: return NULL;
336: }
337: efree(buf);
338:
339: if (PS(entropy_length) > 0) {
340: #ifdef PHP_WIN32
341: unsigned char rbuf[2048];
342: size_t toread = PS(entropy_length);
343:
344: if (php_win32_get_random_bytes(rbuf, (size_t) toread) == SUCCESS){
345:
346: switch (PS(hash_func)) {
347: case PS_HASH_FUNC_MD5:
348: PHP_MD5Update(&md5_context, rbuf, toread);
349: break;
350: case PS_HASH_FUNC_SHA1:
351: PHP_SHA1Update(&sha1_context, rbuf, toread);
352: break;
353: # if defined(HAVE_HASH_EXT) && !defined(COMPILE_DL_HASH)
354: case PS_HASH_FUNC_OTHER:
355: PS(hash_ops)->hash_update(hash_context, rbuf, toread);
356: break;
357: # endif /* HAVE_HASH_EXT */
358: }
359: }
360: #else
361: int fd;
362:
363: fd = VCWD_OPEN(PS(entropy_file), O_RDONLY);
364: if (fd >= 0) {
365: unsigned char rbuf[2048];
366: int n;
367: int to_read = PS(entropy_length);
368:
369: while (to_read > 0) {
370: n = read(fd, rbuf, MIN(to_read, sizeof(rbuf)));
371: if (n <= 0) break;
372:
373: switch (PS(hash_func)) {
374: case PS_HASH_FUNC_MD5:
375: PHP_MD5Update(&md5_context, rbuf, n);
376: break;
377: case PS_HASH_FUNC_SHA1:
378: PHP_SHA1Update(&sha1_context, rbuf, n);
379: break;
380: #if defined(HAVE_HASH_EXT) && !defined(COMPILE_DL_HASH)
381: case PS_HASH_FUNC_OTHER:
382: PS(hash_ops)->hash_update(hash_context, rbuf, n);
383: break;
384: #endif /* HAVE_HASH_EXT */
385: }
386: to_read -= n;
387: }
388: close(fd);
389: }
390: #endif
391: }
392:
393: digest = emalloc(digest_len + 1);
394: switch (PS(hash_func)) {
395: case PS_HASH_FUNC_MD5:
396: PHP_MD5Final(digest, &md5_context);
397: break;
398: case PS_HASH_FUNC_SHA1:
399: PHP_SHA1Final(digest, &sha1_context);
400: break;
401: #if defined(HAVE_HASH_EXT) && !defined(COMPILE_DL_HASH)
402: case PS_HASH_FUNC_OTHER:
403: PS(hash_ops)->hash_final(digest, hash_context);
404: efree(hash_context);
405: break;
406: #endif /* HAVE_HASH_EXT */
407: }
408:
409: if (PS(hash_bits_per_character) < 4
410: || PS(hash_bits_per_character) > 6) {
411: PS(hash_bits_per_character) = 4;
412:
413: 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");
414: }
415:
416: outid = emalloc((size_t)((digest_len + 2) * ((8.0f / PS(hash_bits_per_character)) + 0.5)));
417: j = (int) (bin_to_readable((char *)digest, digest_len, outid, (char)PS(hash_bits_per_character)) - outid);
418: efree(digest);
419:
420: if (newlen) {
421: *newlen = j;
422: }
423:
424: return outid;
425: }
426: /* }}} */
427:
428: static void php_session_initialize(TSRMLS_D) /* {{{ */
429: {
430: char *val;
431: int vallen;
432:
433: /* check session name for invalid characters */
434: if (PS(id) && strpbrk(PS(id), "\r\n\t <>'\"\\")) {
435: efree(PS(id));
436: PS(id) = NULL;
437: }
438:
439: if (!PS(mod)) {
440: php_error_docref(NULL TSRMLS_CC, E_ERROR, "No storage module chosen - failed to initialize session");
441: return;
442: }
443:
444: /* Open session handler first */
445: if (PS(mod)->s_open(&PS(mod_data), PS(save_path), PS(session_name) TSRMLS_CC) == FAILURE) {
446: php_error_docref(NULL TSRMLS_CC, E_ERROR, "Failed to initialize storage module: %s (path: %s)", PS(mod)->s_name, PS(save_path));
447: return;
448: }
449:
450: /* If there is no ID, use session module to create one */
451: if (!PS(id)) {
452: new_session:
453: PS(id) = PS(mod)->s_create_sid(&PS(mod_data), NULL TSRMLS_CC);
454: if (PS(use_cookies)) {
455: PS(send_cookie) = 1;
456: }
457: }
458:
459: /* Read data */
460: /* Question: if you create a SID here, should you also try to read data?
461: * I'm not sure, but while not doing so will remove one session operation
462: * it could prove usefull for those sites which wish to have "default"
463: * session information. */
464: php_session_track_init(TSRMLS_C);
465: PS(invalid_session_id) = 0;
466: if (PS(mod)->s_read(&PS(mod_data), PS(id), &val, &vallen TSRMLS_CC) == SUCCESS) {
467: php_session_decode(val, vallen TSRMLS_CC);
468: efree(val);
469: } else if (PS(invalid_session_id)) { /* address instances where the session read fails due to an invalid id */
470: PS(invalid_session_id) = 0;
471: efree(PS(id));
472: PS(id) = NULL;
473: goto new_session;
474: }
475: }
476: /* }}} */
477:
478: static void php_session_save_current_state(TSRMLS_D) /* {{{ */
479: {
480: int ret = FAILURE;
481:
482: IF_SESSION_VARS() {
1.1.1.2 misho 483: if (PS(mod_data) || PS(mod_user_implemented)) {
1.1 misho 484: char *val;
485: int vallen;
486:
487: val = php_session_encode(&vallen TSRMLS_CC);
488: if (val) {
489: ret = PS(mod)->s_write(&PS(mod_data), PS(id), val, vallen TSRMLS_CC);
490: efree(val);
491: } else {
492: ret = PS(mod)->s_write(&PS(mod_data), PS(id), "", 0 TSRMLS_CC);
493: }
494: }
495:
496: if (ret == FAILURE) {
497: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to write session data (%s). Please "
498: "verify that the current setting of session.save_path "
499: "is correct (%s)",
500: PS(mod)->s_name,
501: PS(save_path));
502: }
503: }
504:
1.1.1.2 misho 505: if (PS(mod_data) || PS(mod_user_implemented)) {
1.1 misho 506: PS(mod)->s_close(&PS(mod_data) TSRMLS_CC);
507: }
508: }
509: /* }}} */
510:
511: /* *************************
512: * INI Settings/Handlers *
513: ************************* */
514:
515: static PHP_INI_MH(OnUpdateSaveHandler) /* {{{ */
516: {
517: ps_module *tmp;
518: SESSION_CHECK_ACTIVE_STATE;
519:
520: tmp = _php_find_ps_module(new_value TSRMLS_CC);
521:
522: if (PG(modules_activated) && !tmp) {
523: int err_type;
524:
525: if (stage == ZEND_INI_STAGE_RUNTIME) {
526: err_type = E_WARNING;
527: } else {
528: err_type = E_ERROR;
529: }
530:
531: /* Do not output error when restoring ini options. */
532: if (stage != ZEND_INI_STAGE_DEACTIVATE) {
533: php_error_docref(NULL TSRMLS_CC, err_type, "Cannot find save handler '%s'", new_value);
534: }
535: return FAILURE;
536: }
1.1.1.2 misho 537:
538: PS(default_mod) = PS(mod);
1.1 misho 539: PS(mod) = tmp;
540:
541: return SUCCESS;
542: }
543: /* }}} */
544:
545: static PHP_INI_MH(OnUpdateSerializer) /* {{{ */
546: {
547: const ps_serializer *tmp;
548: SESSION_CHECK_ACTIVE_STATE;
549:
550: tmp = _php_find_ps_serializer(new_value TSRMLS_CC);
551:
552: if (PG(modules_activated) && !tmp) {
553: int err_type;
554:
555: if (stage == ZEND_INI_STAGE_RUNTIME) {
556: err_type = E_WARNING;
557: } else {
558: err_type = E_ERROR;
559: }
560:
561: /* Do not output error when restoring ini options. */
562: if (stage != ZEND_INI_STAGE_DEACTIVATE) {
563: php_error_docref(NULL TSRMLS_CC, err_type, "Cannot find serialization handler '%s'", new_value);
564: }
565: return FAILURE;
566: }
567: PS(serializer) = tmp;
568:
569: return SUCCESS;
570: }
571: /* }}} */
572:
573: static PHP_INI_MH(OnUpdateTransSid) /* {{{ */
574: {
575: SESSION_CHECK_ACTIVE_STATE;
576:
577: if (!strncasecmp(new_value, "on", sizeof("on"))) {
578: PS(use_trans_sid) = (zend_bool) 1;
579: } else {
580: PS(use_trans_sid) = (zend_bool) atoi(new_value);
581: }
582:
583: return SUCCESS;
584: }
585: /* }}} */
586:
587: static PHP_INI_MH(OnUpdateSaveDir) /* {{{ */
588: {
589: /* Only do the safemode/open_basedir check at runtime */
590: if (stage == PHP_INI_STAGE_RUNTIME || stage == PHP_INI_STAGE_HTACCESS) {
591: char *p;
592:
593: if (memchr(new_value, '\0', new_value_length) != NULL) {
594: return FAILURE;
595: }
596:
597: /* we do not use zend_memrchr() since path can contain ; itself */
598: if ((p = strchr(new_value, ';'))) {
599: char *p2;
600: p++;
601: if ((p2 = strchr(p, ';'))) {
602: p = p2 + 1;
603: }
604: } else {
605: p = new_value;
606: }
607:
608: if (PG(open_basedir) && *p && php_check_open_basedir(p TSRMLS_CC)) {
609: return FAILURE;
610: }
611: }
612:
613: OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
614: return SUCCESS;
615: }
616: /* }}} */
617:
618: static PHP_INI_MH(OnUpdateHashFunc) /* {{{ */
619: {
620: long val;
621: char *endptr = NULL;
622:
623: #if defined(HAVE_HASH_EXT) && !defined(COMPILE_DL_HASH)
624: PS(hash_ops) = NULL;
625: #endif
626:
627: val = strtol(new_value, &endptr, 10);
628: if (endptr && (*endptr == '\0')) {
629: /* Numeric value */
630: PS(hash_func) = val ? 1 : 0;
631:
632: return SUCCESS;
633: }
634:
635: if (new_value_length == (sizeof("md5") - 1) &&
636: strncasecmp(new_value, "md5", sizeof("md5") - 1) == 0) {
637: PS(hash_func) = PS_HASH_FUNC_MD5;
638:
639: return SUCCESS;
640: }
641:
642: if (new_value_length == (sizeof("sha1") - 1) &&
643: strncasecmp(new_value, "sha1", sizeof("sha1") - 1) == 0) {
644: PS(hash_func) = PS_HASH_FUNC_SHA1;
645:
646: return SUCCESS;
647: }
648:
649: #if defined(HAVE_HASH_EXT) && !defined(COMPILE_DL_HASH) /* {{{ */
650: {
651: php_hash_ops *ops = (php_hash_ops*)php_hash_fetch_ops(new_value, new_value_length);
652:
653: if (ops) {
654: PS(hash_func) = PS_HASH_FUNC_OTHER;
655: PS(hash_ops) = ops;
656:
657: return SUCCESS;
658: }
659: }
660: #endif /* HAVE_HASH_EXT }}} */
661:
662: return FAILURE;
663: }
664: /* }}} */
665:
1.1.1.2 misho 666: static PHP_INI_MH(OnUpdateRfc1867Freq) /* {{{ */
667: {
668: int tmp;
669: tmp = zend_atoi(new_value, new_value_length);
670: if(tmp < 0) {
671: php_error_docref(NULL TSRMLS_CC, E_WARNING, "session.upload_progress.freq must be greater than or equal to zero");
672: return FAILURE;
673: }
674: if(new_value_length > 0 && new_value[new_value_length-1] == '%') {
675: if(tmp > 100) {
676: php_error_docref(NULL TSRMLS_CC, E_WARNING, "session.upload_progress.freq cannot be over 100%%");
677: return FAILURE;
678: }
679: PS(rfc1867_freq) = -tmp;
680: } else {
681: PS(rfc1867_freq) = tmp;
682: }
683: return SUCCESS;
684: } /* }}} */
685:
686: static ZEND_INI_MH(OnUpdateSmartStr) /* {{{ */
687: {
688: smart_str *p;
689: #ifndef ZTS
690: char *base = (char *) mh_arg2;
691: #else
692: char *base;
693:
694: base = (char *) ts_resource(*((int *) mh_arg2));
695: #endif
696:
697: p = (smart_str *) (base+(size_t) mh_arg1);
698:
699: smart_str_sets(p, new_value);
700:
701: return SUCCESS;
702: }
703: /* }}} */
704:
1.1 misho 705: /* {{{ PHP_INI
706: */
707: PHP_INI_BEGIN()
708: STD_PHP_INI_ENTRY("session.save_path", "", PHP_INI_ALL, OnUpdateSaveDir,save_path, php_ps_globals, ps_globals)
709: STD_PHP_INI_ENTRY("session.name", "PHPSESSID", PHP_INI_ALL, OnUpdateString, session_name, php_ps_globals, ps_globals)
710: PHP_INI_ENTRY("session.save_handler", "files", PHP_INI_ALL, OnUpdateSaveHandler)
711: STD_PHP_INI_BOOLEAN("session.auto_start", "0", PHP_INI_ALL, OnUpdateBool, auto_start, php_ps_globals, ps_globals)
712: STD_PHP_INI_ENTRY("session.gc_probability", "1", PHP_INI_ALL, OnUpdateLong, gc_probability, php_ps_globals, ps_globals)
713: STD_PHP_INI_ENTRY("session.gc_divisor", "100", PHP_INI_ALL, OnUpdateLong, gc_divisor, php_ps_globals, ps_globals)
714: STD_PHP_INI_ENTRY("session.gc_maxlifetime", "1440", PHP_INI_ALL, OnUpdateLong, gc_maxlifetime, php_ps_globals, ps_globals)
715: PHP_INI_ENTRY("session.serialize_handler", "php", PHP_INI_ALL, OnUpdateSerializer)
716: STD_PHP_INI_ENTRY("session.cookie_lifetime", "0", PHP_INI_ALL, OnUpdateLong, cookie_lifetime, php_ps_globals, ps_globals)
717: STD_PHP_INI_ENTRY("session.cookie_path", "/", PHP_INI_ALL, OnUpdateString, cookie_path, php_ps_globals, ps_globals)
718: STD_PHP_INI_ENTRY("session.cookie_domain", "", PHP_INI_ALL, OnUpdateString, cookie_domain, php_ps_globals, ps_globals)
719: STD_PHP_INI_BOOLEAN("session.cookie_secure", "", PHP_INI_ALL, OnUpdateBool, cookie_secure, php_ps_globals, ps_globals)
720: STD_PHP_INI_BOOLEAN("session.cookie_httponly", "", PHP_INI_ALL, OnUpdateBool, cookie_httponly, php_ps_globals, ps_globals)
721: STD_PHP_INI_BOOLEAN("session.use_cookies", "1", PHP_INI_ALL, OnUpdateBool, use_cookies, php_ps_globals, ps_globals)
722: STD_PHP_INI_BOOLEAN("session.use_only_cookies", "1", PHP_INI_ALL, OnUpdateBool, use_only_cookies, php_ps_globals, ps_globals)
723: STD_PHP_INI_ENTRY("session.referer_check", "", PHP_INI_ALL, OnUpdateString, extern_referer_chk, php_ps_globals, ps_globals)
1.1.1.2 misho 724: #if HAVE_DEV_URANDOM
725: STD_PHP_INI_ENTRY("session.entropy_file", "/dev/urandom", PHP_INI_ALL, OnUpdateString, entropy_file, php_ps_globals, ps_globals)
726: STD_PHP_INI_ENTRY("session.entropy_length", "32", PHP_INI_ALL, OnUpdateLong, entropy_length, php_ps_globals, ps_globals)
727: #elif HAVE_DEV_ARANDOM
728: STD_PHP_INI_ENTRY("session.entropy_file", "/dev/arandom", PHP_INI_ALL, OnUpdateString, entropy_file, php_ps_globals, ps_globals)
729: STD_PHP_INI_ENTRY("session.entropy_length", "32", PHP_INI_ALL, OnUpdateLong, entropy_length, php_ps_globals, ps_globals)
730: #else
1.1 misho 731: STD_PHP_INI_ENTRY("session.entropy_file", "", PHP_INI_ALL, OnUpdateString, entropy_file, php_ps_globals, ps_globals)
732: STD_PHP_INI_ENTRY("session.entropy_length", "0", PHP_INI_ALL, OnUpdateLong, entropy_length, php_ps_globals, ps_globals)
1.1.1.2 misho 733: #endif
1.1 misho 734: STD_PHP_INI_ENTRY("session.cache_limiter", "nocache", PHP_INI_ALL, OnUpdateString, cache_limiter, php_ps_globals, ps_globals)
735: STD_PHP_INI_ENTRY("session.cache_expire", "180", PHP_INI_ALL, OnUpdateLong, cache_expire, php_ps_globals, ps_globals)
736: PHP_INI_ENTRY("session.use_trans_sid", "0", PHP_INI_ALL, OnUpdateTransSid)
737: PHP_INI_ENTRY("session.hash_function", "0", PHP_INI_ALL, OnUpdateHashFunc)
738: STD_PHP_INI_ENTRY("session.hash_bits_per_character", "4", PHP_INI_ALL, OnUpdateLong, hash_bits_per_character, php_ps_globals, ps_globals)
739:
1.1.1.2 misho 740: /* Upload progress */
741: STD_PHP_INI_BOOLEAN("session.upload_progress.enabled",
742: "1", ZEND_INI_PERDIR, OnUpdateBool, rfc1867_enabled, php_ps_globals, ps_globals)
743: STD_PHP_INI_BOOLEAN("session.upload_progress.cleanup",
744: "1", ZEND_INI_PERDIR, OnUpdateBool, rfc1867_cleanup, php_ps_globals, ps_globals)
745: STD_PHP_INI_ENTRY("session.upload_progress.prefix",
746: "upload_progress_", ZEND_INI_PERDIR, OnUpdateSmartStr, rfc1867_prefix, php_ps_globals, ps_globals)
747: STD_PHP_INI_ENTRY("session.upload_progress.name",
748: "PHP_SESSION_UPLOAD_PROGRESS", ZEND_INI_PERDIR, OnUpdateSmartStr, rfc1867_name, php_ps_globals, ps_globals)
749: STD_PHP_INI_ENTRY("session.upload_progress.freq", "1%", ZEND_INI_PERDIR, OnUpdateRfc1867Freq, rfc1867_freq, php_ps_globals, ps_globals)
750: STD_PHP_INI_ENTRY("session.upload_progress.min_freq",
751: "1", ZEND_INI_PERDIR, OnUpdateReal, rfc1867_min_freq,php_ps_globals, ps_globals)
752:
1.1 misho 753: /* Commented out until future discussion */
754: /* PHP_INI_ENTRY("session.encode_sources", "globals,track", PHP_INI_ALL, NULL) */
755: PHP_INI_END()
756: /* }}} */
757:
758: /* ***************
759: * Serializers *
760: *************** */
761:
762: #define PS_BIN_NR_OF_BITS 8
763: #define PS_BIN_UNDEF (1<<(PS_BIN_NR_OF_BITS-1))
764: #define PS_BIN_MAX (PS_BIN_UNDEF-1)
765:
766: PS_SERIALIZER_ENCODE_FUNC(php_binary) /* {{{ */
767: {
768: smart_str buf = {0};
769: php_serialize_data_t var_hash;
770: PS_ENCODE_VARS;
771:
772: PHP_VAR_SERIALIZE_INIT(var_hash);
773:
774: PS_ENCODE_LOOP(
775: if (key_length > PS_BIN_MAX) continue;
776: smart_str_appendc(&buf, (unsigned char) key_length);
777: smart_str_appendl(&buf, key, key_length);
778: php_var_serialize(&buf, struc, &var_hash TSRMLS_CC);
779: } else {
780: if (key_length > PS_BIN_MAX) continue;
781: smart_str_appendc(&buf, (unsigned char) (key_length & PS_BIN_UNDEF));
782: smart_str_appendl(&buf, key, key_length);
783: );
784:
785: if (newlen) {
786: *newlen = buf.len;
787: }
788: smart_str_0(&buf);
789: *newstr = buf.c;
790: PHP_VAR_SERIALIZE_DESTROY(var_hash);
791:
792: return SUCCESS;
793: }
794: /* }}} */
795:
796: PS_SERIALIZER_DECODE_FUNC(php_binary) /* {{{ */
797: {
798: const char *p;
799: char *name;
800: const char *endptr = val + vallen;
801: zval *current;
802: int namelen;
803: int has_value;
804: php_unserialize_data_t var_hash;
805:
806: PHP_VAR_UNSERIALIZE_INIT(var_hash);
807:
808: for (p = val; p < endptr; ) {
809: zval **tmp;
810: namelen = ((unsigned char)(*p)) & (~PS_BIN_UNDEF);
811:
812: if (namelen < 0 || namelen > PS_BIN_MAX || (p + namelen) >= endptr) {
813: return FAILURE;
814: }
815:
816: has_value = *p & PS_BIN_UNDEF ? 0 : 1;
817:
818: name = estrndup(p + 1, namelen);
819:
820: p += namelen + 1;
821:
822: if (zend_hash_find(&EG(symbol_table), name, namelen + 1, (void **) &tmp) == SUCCESS) {
823: if ((Z_TYPE_PP(tmp) == IS_ARRAY && Z_ARRVAL_PP(tmp) == &EG(symbol_table)) || *tmp == PS(http_session_vars)) {
824: efree(name);
825: continue;
826: }
827: }
828:
829: if (has_value) {
830: ALLOC_INIT_ZVAL(current);
831: if (php_var_unserialize(¤t, (const unsigned char **) &p, (const unsigned char *) endptr, &var_hash TSRMLS_CC)) {
832: php_set_session_var(name, namelen, current, &var_hash TSRMLS_CC);
833: }
834: zval_ptr_dtor(¤t);
835: }
836: PS_ADD_VARL(name, namelen);
837: efree(name);
838: }
839:
840: PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
841:
842: return SUCCESS;
843: }
844: /* }}} */
845:
846: #define PS_DELIMITER '|'
847: #define PS_UNDEF_MARKER '!'
848:
849: PS_SERIALIZER_ENCODE_FUNC(php) /* {{{ */
850: {
851: smart_str buf = {0};
852: php_serialize_data_t var_hash;
853: PS_ENCODE_VARS;
854:
855: PHP_VAR_SERIALIZE_INIT(var_hash);
856:
857: PS_ENCODE_LOOP(
858: smart_str_appendl(&buf, key, key_length);
859: if (memchr(key, PS_DELIMITER, key_length) || memchr(key, PS_UNDEF_MARKER, key_length)) {
860: PHP_VAR_SERIALIZE_DESTROY(var_hash);
861: smart_str_free(&buf);
862: return FAILURE;
863: }
864: smart_str_appendc(&buf, PS_DELIMITER);
865:
866: php_var_serialize(&buf, struc, &var_hash TSRMLS_CC);
867: } else {
868: smart_str_appendc(&buf, PS_UNDEF_MARKER);
869: smart_str_appendl(&buf, key, key_length);
870: smart_str_appendc(&buf, PS_DELIMITER);
871: );
872:
873: if (newlen) {
874: *newlen = buf.len;
875: }
876: smart_str_0(&buf);
877: *newstr = buf.c;
878:
879: PHP_VAR_SERIALIZE_DESTROY(var_hash);
880: return SUCCESS;
881: }
882: /* }}} */
883:
884: PS_SERIALIZER_DECODE_FUNC(php) /* {{{ */
885: {
886: const char *p, *q;
887: char *name;
888: const char *endptr = val + vallen;
889: zval *current;
890: int namelen;
891: int has_value;
892: php_unserialize_data_t var_hash;
893:
894: PHP_VAR_UNSERIALIZE_INIT(var_hash);
895:
896: p = val;
897:
898: while (p < endptr) {
899: zval **tmp;
900: q = p;
901: while (*q != PS_DELIMITER) {
902: if (++q >= endptr) goto break_outer_loop;
903: }
904: if (p[0] == PS_UNDEF_MARKER) {
905: p++;
906: has_value = 0;
907: } else {
908: has_value = 1;
909: }
910:
911: namelen = q - p;
912: name = estrndup(p, namelen);
913: q++;
914:
915: if (zend_hash_find(&EG(symbol_table), name, namelen + 1, (void **) &tmp) == SUCCESS) {
916: if ((Z_TYPE_PP(tmp) == IS_ARRAY && Z_ARRVAL_PP(tmp) == &EG(symbol_table)) || *tmp == PS(http_session_vars)) {
917: goto skip;
918: }
919: }
920:
921: if (has_value) {
922: ALLOC_INIT_ZVAL(current);
923: if (php_var_unserialize(¤t, (const unsigned char **) &q, (const unsigned char *) endptr, &var_hash TSRMLS_CC)) {
924: php_set_session_var(name, namelen, current, &var_hash TSRMLS_CC);
925: }
926: zval_ptr_dtor(¤t);
927: }
928: PS_ADD_VARL(name, namelen);
929: skip:
930: efree(name);
931:
932: p = q;
933: }
934: break_outer_loop:
935:
936: PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
937:
938: return SUCCESS;
939: }
940: /* }}} */
941:
942: #define MAX_SERIALIZERS 10
943: #define PREDEFINED_SERIALIZERS 2
944:
945: static ps_serializer ps_serializers[MAX_SERIALIZERS + 1] = {
946: PS_SERIALIZER_ENTRY(php),
947: PS_SERIALIZER_ENTRY(php_binary)
948: };
949:
950: PHPAPI int php_session_register_serializer(const char *name, int (*encode)(PS_SERIALIZER_ENCODE_ARGS), int (*decode)(PS_SERIALIZER_DECODE_ARGS)) /* {{{ */
951: {
952: int ret = -1;
953: int i;
954:
955: for (i = 0; i < MAX_SERIALIZERS; i++) {
956: if (ps_serializers[i].name == NULL) {
957: ps_serializers[i].name = name;
958: ps_serializers[i].encode = encode;
959: ps_serializers[i].decode = decode;
960: ps_serializers[i + 1].name = NULL;
961: ret = 0;
962: break;
963: }
964: }
965: return ret;
966: }
967: /* }}} */
968:
969: /* *******************
970: * Storage Modules *
971: ******************* */
972:
973: #define MAX_MODULES 10
974: #define PREDEFINED_MODULES 2
975:
976: static ps_module *ps_modules[MAX_MODULES + 1] = {
977: ps_files_ptr,
978: ps_user_ptr
979: };
980:
981: PHPAPI int php_session_register_module(ps_module *ptr) /* {{{ */
982: {
983: int ret = -1;
984: int i;
985:
986: for (i = 0; i < MAX_MODULES; i++) {
987: if (!ps_modules[i]) {
988: ps_modules[i] = ptr;
989: ret = 0;
990: break;
991: }
992: }
993: return ret;
994: }
995: /* }}} */
996:
997: /* ******************
998: * Cache Limiters *
999: ****************** */
1000:
1001: typedef struct {
1002: char *name;
1003: void (*func)(TSRMLS_D);
1004: } php_session_cache_limiter_t;
1005:
1006: #define CACHE_LIMITER(name) _php_cache_limiter_##name
1007: #define CACHE_LIMITER_FUNC(name) static void CACHE_LIMITER(name)(TSRMLS_D)
1008: #define CACHE_LIMITER_ENTRY(name) { #name, CACHE_LIMITER(name) },
1009: #define ADD_HEADER(a) sapi_add_header(a, strlen(a), 1);
1010: #define MAX_STR 512
1011:
1012: static char *month_names[] = {
1013: "Jan", "Feb", "Mar", "Apr", "May", "Jun",
1014: "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
1015: };
1016:
1017: static char *week_days[] = {
1018: "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"
1019: };
1020:
1021: static inline void strcpy_gmt(char *ubuf, time_t *when) /* {{{ */
1022: {
1023: char buf[MAX_STR];
1024: struct tm tm, *res;
1025: int n;
1026:
1027: res = php_gmtime_r(when, &tm);
1028:
1029: if (!res) {
1030: buf[0] = '\0';
1031: return;
1032: }
1033:
1034: n = slprintf(buf, sizeof(buf), "%s, %02d %s %d %02d:%02d:%02d GMT", /* SAFE */
1035: week_days[tm.tm_wday], tm.tm_mday,
1036: month_names[tm.tm_mon], tm.tm_year + 1900,
1037: tm.tm_hour, tm.tm_min,
1038: tm.tm_sec);
1039: memcpy(ubuf, buf, n);
1040: ubuf[n] = '\0';
1041: }
1042: /* }}} */
1043:
1044: static inline void last_modified(TSRMLS_D) /* {{{ */
1045: {
1046: const char *path;
1047: struct stat sb;
1048: char buf[MAX_STR + 1];
1049:
1050: path = SG(request_info).path_translated;
1051: if (path) {
1052: if (VCWD_STAT(path, &sb) == -1) {
1053: return;
1054: }
1055:
1056: #define LAST_MODIFIED "Last-Modified: "
1057: memcpy(buf, LAST_MODIFIED, sizeof(LAST_MODIFIED) - 1);
1058: strcpy_gmt(buf + sizeof(LAST_MODIFIED) - 1, &sb.st_mtime);
1059: ADD_HEADER(buf);
1060: }
1061: }
1062: /* }}} */
1063:
1064: #define EXPIRES "Expires: "
1065: CACHE_LIMITER_FUNC(public) /* {{{ */
1066: {
1067: char buf[MAX_STR + 1];
1068: struct timeval tv;
1069: time_t now;
1070:
1071: gettimeofday(&tv, NULL);
1072: now = tv.tv_sec + PS(cache_expire) * 60;
1073: memcpy(buf, EXPIRES, sizeof(EXPIRES) - 1);
1074: strcpy_gmt(buf + sizeof(EXPIRES) - 1, &now);
1075: ADD_HEADER(buf);
1076:
1077: snprintf(buf, sizeof(buf) , "Cache-Control: public, max-age=%ld", PS(cache_expire) * 60); /* SAFE */
1078: ADD_HEADER(buf);
1079:
1080: last_modified(TSRMLS_C);
1081: }
1082: /* }}} */
1083:
1084: CACHE_LIMITER_FUNC(private_no_expire) /* {{{ */
1085: {
1086: char buf[MAX_STR + 1];
1087:
1088: snprintf(buf, sizeof(buf), "Cache-Control: private, max-age=%ld, pre-check=%ld", PS(cache_expire) * 60, PS(cache_expire) * 60); /* SAFE */
1089: ADD_HEADER(buf);
1090:
1091: last_modified(TSRMLS_C);
1092: }
1093: /* }}} */
1094:
1095: CACHE_LIMITER_FUNC(private) /* {{{ */
1096: {
1097: ADD_HEADER("Expires: Thu, 19 Nov 1981 08:52:00 GMT");
1098: CACHE_LIMITER(private_no_expire)(TSRMLS_C);
1099: }
1100: /* }}} */
1101:
1102: CACHE_LIMITER_FUNC(nocache) /* {{{ */
1103: {
1104: ADD_HEADER("Expires: Thu, 19 Nov 1981 08:52:00 GMT");
1105:
1106: /* For HTTP/1.1 conforming clients and the rest (MSIE 5) */
1107: ADD_HEADER("Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0");
1108:
1109: /* For HTTP/1.0 conforming clients */
1110: ADD_HEADER("Pragma: no-cache");
1111: }
1112: /* }}} */
1113:
1114: static php_session_cache_limiter_t php_session_cache_limiters[] = {
1115: CACHE_LIMITER_ENTRY(public)
1116: CACHE_LIMITER_ENTRY(private)
1117: CACHE_LIMITER_ENTRY(private_no_expire)
1118: CACHE_LIMITER_ENTRY(nocache)
1119: {0}
1120: };
1121:
1122: static int php_session_cache_limiter(TSRMLS_D) /* {{{ */
1123: {
1124: php_session_cache_limiter_t *lim;
1125:
1126: if (PS(cache_limiter)[0] == '\0') return 0;
1127:
1128: if (SG(headers_sent)) {
1.1.1.2 misho 1129: const char *output_start_filename = php_output_get_start_filename(TSRMLS_C);
1130: int output_start_lineno = php_output_get_start_lineno(TSRMLS_C);
1.1 misho 1131:
1132: if (output_start_filename) {
1133: 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);
1134: } else {
1135: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot send session cache limiter - headers already sent");
1136: }
1137: return -2;
1138: }
1139:
1140: for (lim = php_session_cache_limiters; lim->name; lim++) {
1141: if (!strcasecmp(lim->name, PS(cache_limiter))) {
1142: lim->func(TSRMLS_C);
1143: return 0;
1144: }
1145: }
1146:
1147: return -1;
1148: }
1149: /* }}} */
1150:
1151: /* *********************
1152: * Cookie Management *
1153: ********************* */
1154:
1155: #define COOKIE_SET_COOKIE "Set-Cookie: "
1156: #define COOKIE_EXPIRES "; expires="
1157: #define COOKIE_PATH "; path="
1158: #define COOKIE_DOMAIN "; domain="
1159: #define COOKIE_SECURE "; secure"
1160: #define COOKIE_HTTPONLY "; HttpOnly"
1161:
1162: static void php_session_send_cookie(TSRMLS_D) /* {{{ */
1163: {
1164: smart_str ncookie = {0};
1165: char *date_fmt = NULL;
1166: char *e_session_name, *e_id;
1167:
1168: if (SG(headers_sent)) {
1.1.1.2 misho 1169: const char *output_start_filename = php_output_get_start_filename(TSRMLS_C);
1170: int output_start_lineno = php_output_get_start_lineno(TSRMLS_C);
1.1 misho 1171:
1172: if (output_start_filename) {
1173: 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);
1174: } else {
1175: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot send session cookie - headers already sent");
1176: }
1177: return;
1178: }
1179:
1180: /* URL encode session_name and id because they might be user supplied */
1181: e_session_name = php_url_encode(PS(session_name), strlen(PS(session_name)), NULL);
1182: e_id = php_url_encode(PS(id), strlen(PS(id)), NULL);
1183:
1184: smart_str_appends(&ncookie, COOKIE_SET_COOKIE);
1185: smart_str_appends(&ncookie, e_session_name);
1186: smart_str_appendc(&ncookie, '=');
1187: smart_str_appends(&ncookie, e_id);
1188:
1189: efree(e_session_name);
1190: efree(e_id);
1191:
1192: if (PS(cookie_lifetime) > 0) {
1193: struct timeval tv;
1194: time_t t;
1195:
1196: gettimeofday(&tv, NULL);
1197: t = tv.tv_sec + PS(cookie_lifetime);
1198:
1199: if (t > 0) {
1200: 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);
1201: smart_str_appends(&ncookie, COOKIE_EXPIRES);
1202: smart_str_appends(&ncookie, date_fmt);
1203: efree(date_fmt);
1204: }
1205: }
1206:
1207: if (PS(cookie_path)[0]) {
1208: smart_str_appends(&ncookie, COOKIE_PATH);
1209: smart_str_appends(&ncookie, PS(cookie_path));
1210: }
1211:
1212: if (PS(cookie_domain)[0]) {
1213: smart_str_appends(&ncookie, COOKIE_DOMAIN);
1214: smart_str_appends(&ncookie, PS(cookie_domain));
1215: }
1216:
1217: if (PS(cookie_secure)) {
1218: smart_str_appends(&ncookie, COOKIE_SECURE);
1219: }
1220:
1221: if (PS(cookie_httponly)) {
1222: smart_str_appends(&ncookie, COOKIE_HTTPONLY);
1223: }
1224:
1225: smart_str_0(&ncookie);
1226:
1227: /* 'replace' must be 0 here, else a previous Set-Cookie
1228: header, probably sent with setcookie() will be replaced! */
1229: sapi_add_header_ex(ncookie.c, ncookie.len, 0, 0 TSRMLS_CC);
1230: }
1231: /* }}} */
1232:
1233: PHPAPI ps_module *_php_find_ps_module(char *name TSRMLS_DC) /* {{{ */
1234: {
1235: ps_module *ret = NULL;
1236: ps_module **mod;
1237: int i;
1238:
1239: for (i = 0, mod = ps_modules; i < MAX_MODULES; i++, mod++) {
1240: if (*mod && !strcasecmp(name, (*mod)->s_name)) {
1241: ret = *mod;
1242: break;
1243: }
1244: }
1245: return ret;
1246: }
1247: /* }}} */
1248:
1249: PHPAPI const ps_serializer *_php_find_ps_serializer(char *name TSRMLS_DC) /* {{{ */
1250: {
1251: const ps_serializer *ret = NULL;
1252: const ps_serializer *mod;
1253:
1254: for (mod = ps_serializers; mod->name; mod++) {
1255: if (!strcasecmp(name, mod->name)) {
1256: ret = mod;
1257: break;
1258: }
1259: }
1260: return ret;
1261: }
1262: /* }}} */
1263:
1264: #define PPID2SID \
1265: convert_to_string((*ppid)); \
1266: PS(id) = estrndup(Z_STRVAL_PP(ppid), Z_STRLEN_PP(ppid))
1267:
1268: static void php_session_reset_id(TSRMLS_D) /* {{{ */
1269: {
1270: int module_number = PS(module_number);
1271:
1272: if (PS(use_cookies) && PS(send_cookie)) {
1273: php_session_send_cookie(TSRMLS_C);
1274: PS(send_cookie) = 0;
1275: }
1276:
1277: /* if the SID constant exists, destroy it. */
1278: zend_hash_del(EG(zend_constants), "sid", sizeof("sid"));
1279:
1280: if (PS(define_sid)) {
1281: smart_str var = {0};
1282:
1283: smart_str_appends(&var, PS(session_name));
1284: smart_str_appendc(&var, '=');
1285: smart_str_appends(&var, PS(id));
1286: smart_str_0(&var);
1287: REGISTER_STRINGL_CONSTANT("SID", var.c, var.len, 0);
1288: } else {
1289: REGISTER_STRINGL_CONSTANT("SID", STR_EMPTY_ALLOC(), 0, 0);
1290: }
1291:
1292: if (PS(apply_trans_sid)) {
1293: php_url_scanner_reset_vars(TSRMLS_C);
1294: php_url_scanner_add_var(PS(session_name), strlen(PS(session_name)), PS(id), strlen(PS(id)), 1 TSRMLS_CC);
1295: }
1296: }
1297: /* }}} */
1298:
1299: PHPAPI void php_session_start(TSRMLS_D) /* {{{ */
1300: {
1301: zval **ppid;
1302: zval **data;
1303: char *p, *value;
1304: int nrand;
1305: int lensess;
1306:
1307: if (PS(use_only_cookies)) {
1308: PS(apply_trans_sid) = 0;
1309: } else {
1310: PS(apply_trans_sid) = PS(use_trans_sid);
1311: }
1312:
1313: switch (PS(session_status)) {
1314: case php_session_active:
1315: php_error(E_NOTICE, "A session had already been started - ignoring session_start()");
1316: return;
1317: break;
1318:
1319: case php_session_disabled:
1320: value = zend_ini_string("session.save_handler", sizeof("session.save_handler"), 0);
1321: if (!PS(mod) && value) {
1322: PS(mod) = _php_find_ps_module(value TSRMLS_CC);
1323: if (!PS(mod)) {
1324: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot find save handler '%s' - session startup failed", value);
1325: return;
1326: }
1327: }
1328: value = zend_ini_string("session.serialize_handler", sizeof("session.serialize_handler"), 0);
1329: if (!PS(serializer) && value) {
1330: PS(serializer) = _php_find_ps_serializer(value TSRMLS_CC);
1331: if (!PS(serializer)) {
1332: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot find serialization handler '%s' - session startup failed", value);
1333: return;
1334: }
1335: }
1336: PS(session_status) = php_session_none;
1337: /* fallthrough */
1338:
1339: default:
1340: case php_session_none:
1341: PS(define_sid) = 1;
1342: PS(send_cookie) = 1;
1343: }
1344:
1345: lensess = strlen(PS(session_name));
1346:
1347: /* Cookies are preferred, because initially
1348: * cookie and get variables will be available. */
1349:
1350: if (!PS(id)) {
1351: if (PS(use_cookies) && zend_hash_find(&EG(symbol_table), "_COOKIE", sizeof("_COOKIE"), (void **) &data) == SUCCESS &&
1352: Z_TYPE_PP(data) == IS_ARRAY &&
1353: zend_hash_find(Z_ARRVAL_PP(data), PS(session_name), lensess + 1, (void **) &ppid) == SUCCESS
1354: ) {
1355: PPID2SID;
1356: PS(apply_trans_sid) = 0;
1357: PS(send_cookie) = 0;
1358: PS(define_sid) = 0;
1359: }
1360:
1361: if (!PS(use_only_cookies) && !PS(id) &&
1362: zend_hash_find(&EG(symbol_table), "_GET", sizeof("_GET"), (void **) &data) == SUCCESS &&
1363: Z_TYPE_PP(data) == IS_ARRAY &&
1364: zend_hash_find(Z_ARRVAL_PP(data), PS(session_name), lensess + 1, (void **) &ppid) == SUCCESS
1365: ) {
1366: PPID2SID;
1367: PS(send_cookie) = 0;
1368: }
1369:
1370: if (!PS(use_only_cookies) && !PS(id) &&
1371: zend_hash_find(&EG(symbol_table), "_POST", sizeof("_POST"), (void **) &data) == SUCCESS &&
1372: Z_TYPE_PP(data) == IS_ARRAY &&
1373: zend_hash_find(Z_ARRVAL_PP(data), PS(session_name), lensess + 1, (void **) &ppid) == SUCCESS
1374: ) {
1375: PPID2SID;
1376: PS(send_cookie) = 0;
1377: }
1378: }
1379:
1380: /* Check the REQUEST_URI symbol for a string of the form
1381: * '<session-name>=<session-id>' to allow URLs of the form
1382: * http://yoursite/<session-name>=<session-id>/script.php */
1383:
1384: if (!PS(use_only_cookies) && !PS(id) && PG(http_globals)[TRACK_VARS_SERVER] &&
1385: zend_hash_find(Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_SERVER]), "REQUEST_URI", sizeof("REQUEST_URI"), (void **) &data) == SUCCESS &&
1386: Z_TYPE_PP(data) == IS_STRING &&
1387: (p = strstr(Z_STRVAL_PP(data), PS(session_name))) &&
1388: p[lensess] == '='
1389: ) {
1390: char *q;
1391:
1392: p += lensess + 1;
1393: if ((q = strpbrk(p, "/?\\"))) {
1394: PS(id) = estrndup(p, q - p);
1395: PS(send_cookie) = 0;
1396: }
1397: }
1398:
1399: /* Check whether the current request was referred to by
1400: * an external site which invalidates the previously found id. */
1401:
1402: if (PS(id) &&
1403: PS(extern_referer_chk)[0] != '\0' &&
1404: PG(http_globals)[TRACK_VARS_SERVER] &&
1405: zend_hash_find(Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_SERVER]), "HTTP_REFERER", sizeof("HTTP_REFERER"), (void **) &data) == SUCCESS &&
1406: Z_TYPE_PP(data) == IS_STRING &&
1407: Z_STRLEN_PP(data) != 0 &&
1408: strstr(Z_STRVAL_PP(data), PS(extern_referer_chk)) == NULL
1409: ) {
1410: efree(PS(id));
1411: PS(id) = NULL;
1412: PS(send_cookie) = 1;
1413: if (PS(use_trans_sid) && !PS(use_only_cookies)) {
1414: PS(apply_trans_sid) = 1;
1415: }
1416: }
1417:
1418: php_session_initialize(TSRMLS_C);
1419:
1420: if (!PS(use_cookies) && PS(send_cookie)) {
1421: if (PS(use_trans_sid) && !PS(use_only_cookies)) {
1422: PS(apply_trans_sid) = 1;
1423: }
1424: PS(send_cookie) = 0;
1425: }
1426:
1427: php_session_reset_id(TSRMLS_C);
1428:
1429: PS(session_status) = php_session_active;
1430:
1431: php_session_cache_limiter(TSRMLS_C);
1432:
1.1.1.2 misho 1433: if ((PS(mod_data) || PS(mod_user_implemented)) && PS(gc_probability) > 0) {
1.1 misho 1434: int nrdels = -1;
1435:
1436: nrand = (int) ((float) PS(gc_divisor) * php_combined_lcg(TSRMLS_C));
1437: if (nrand < PS(gc_probability)) {
1438: PS(mod)->s_gc(&PS(mod_data), PS(gc_maxlifetime), &nrdels TSRMLS_CC);
1439: #ifdef SESSION_DEBUG
1440: if (nrdels != -1) {
1441: php_error_docref(NULL TSRMLS_CC, E_NOTICE, "purged %d expired session objects", nrdels);
1442: }
1443: #endif
1444: }
1445: }
1446: }
1447: /* }}} */
1448:
1449: static void php_session_flush(TSRMLS_D) /* {{{ */
1450: {
1451: if (PS(session_status) == php_session_active) {
1452: PS(session_status) = php_session_none;
1.1.1.2 misho 1453: php_session_save_current_state(TSRMLS_C);
1.1 misho 1454: }
1455: }
1456: /* }}} */
1457:
1458: PHPAPI void session_adapt_url(const char *url, size_t urllen, char **new, size_t *newlen TSRMLS_DC) /* {{{ */
1459: {
1460: if (PS(apply_trans_sid) && (PS(session_status) == php_session_active)) {
1461: *new = php_url_scanner_adapt_single_url(url, urllen, PS(session_name), PS(id), newlen TSRMLS_CC);
1462: }
1463: }
1464: /* }}} */
1465:
1466: /* ********************************
1467: * Userspace exported functions *
1468: ******************************** */
1469:
1470: /* {{{ proto void session_set_cookie_params(int lifetime [, string path [, string domain [, bool secure[, bool httponly]]]])
1471: Set session cookie parameters */
1472: static PHP_FUNCTION(session_set_cookie_params)
1473: {
1474: zval **lifetime = NULL;
1475: char *path = NULL, *domain = NULL;
1476: int path_len, domain_len, argc = ZEND_NUM_ARGS();
1477: zend_bool secure = 0, httponly = 0;
1478:
1479: if (!PS(use_cookies) ||
1480: zend_parse_parameters(argc TSRMLS_CC, "Z|ssbb", &lifetime, &path, &path_len, &domain, &domain_len, &secure, &httponly) == FAILURE) {
1481: return;
1482: }
1483:
1484: convert_to_string_ex(lifetime);
1485:
1486: 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);
1487:
1488: if (path) {
1489: zend_alter_ini_entry("session.cookie_path", sizeof("session.cookie_path"), path, path_len, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
1490: }
1491: if (domain) {
1492: zend_alter_ini_entry("session.cookie_domain", sizeof("session.cookie_domain"), domain, domain_len, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
1493: }
1494:
1495: if (argc > 3) {
1496: zend_alter_ini_entry("session.cookie_secure", sizeof("session.cookie_secure"), secure ? "1" : "0", 1, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
1497: }
1498: if (argc > 4) {
1499: zend_alter_ini_entry("session.cookie_httponly", sizeof("session.cookie_httponly"), httponly ? "1" : "0", 1, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
1500: }
1501: }
1502: /* }}} */
1503:
1504: /* {{{ proto array session_get_cookie_params(void)
1505: Return the session cookie parameters */
1506: static PHP_FUNCTION(session_get_cookie_params)
1507: {
1508: if (zend_parse_parameters_none() == FAILURE) {
1509: return;
1510: }
1511:
1512: array_init(return_value);
1513:
1514: add_assoc_long(return_value, "lifetime", PS(cookie_lifetime));
1515: add_assoc_string(return_value, "path", PS(cookie_path), 1);
1516: add_assoc_string(return_value, "domain", PS(cookie_domain), 1);
1517: add_assoc_bool(return_value, "secure", PS(cookie_secure));
1518: add_assoc_bool(return_value, "httponly", PS(cookie_httponly));
1519: }
1520: /* }}} */
1521:
1522: /* {{{ proto string session_name([string newname])
1523: Return the current session name. If newname is given, the session name is replaced with newname */
1524: static PHP_FUNCTION(session_name)
1525: {
1526: char *name = NULL;
1527: int name_len;
1528:
1529: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &name, &name_len) == FAILURE) {
1530: return;
1531: }
1532:
1533: RETVAL_STRING(PS(session_name), 1);
1534:
1535: if (name) {
1536: zend_alter_ini_entry("session.name", sizeof("session.name"), name, name_len, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
1537: }
1538: }
1539: /* }}} */
1540:
1541: /* {{{ proto string session_module_name([string newname])
1542: Return the current module name used for accessing session data. If newname is given, the module name is replaced with newname */
1543: static PHP_FUNCTION(session_module_name)
1544: {
1545: char *name = NULL;
1546: int name_len;
1547:
1548: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &name, &name_len) == FAILURE) {
1549: return;
1550: }
1551:
1552: /* Set return_value to current module name */
1553: if (PS(mod) && PS(mod)->s_name) {
1554: RETVAL_STRING(safe_estrdup(PS(mod)->s_name), 0);
1555: } else {
1556: RETVAL_EMPTY_STRING();
1557: }
1558:
1559: if (name) {
1560: if (!_php_find_ps_module(name TSRMLS_CC)) {
1561: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot find named PHP session module (%s)", name);
1562:
1563: zval_dtor(return_value);
1564: RETURN_FALSE;
1565: }
1.1.1.2 misho 1566: if (PS(mod_data) || PS(mod_user_implemented)) {
1.1 misho 1567: PS(mod)->s_close(&PS(mod_data) TSRMLS_CC);
1568: }
1569: PS(mod_data) = NULL;
1570:
1571: zend_alter_ini_entry("session.save_handler", sizeof("session.save_handler"), name, name_len, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
1572: }
1573: }
1574: /* }}} */
1575:
1576: /* {{{ proto void session_set_save_handler(string open, string close, string read, string write, string destroy, string gc)
1577: Sets user-level functions */
1578: static PHP_FUNCTION(session_set_save_handler)
1579: {
1580: zval ***args = NULL;
1581: int i, num_args, argc = ZEND_NUM_ARGS();
1582: char *name;
1583:
1584: if (PS(session_status) != php_session_none) {
1585: RETURN_FALSE;
1586: }
1587:
1.1.1.2 misho 1588: if (argc != 1 && argc != 2 && argc != 6) {
1.1 misho 1589: WRONG_PARAM_COUNT;
1590: }
1591:
1.1.1.2 misho 1592: if (argc <= 2) {
1593: zval *obj = NULL, *callback = NULL;
1594: zend_uint func_name_len;
1595: char *func_name;
1596: HashPosition pos;
1597: zend_function *default_mptr, *current_mptr;
1598: ulong func_index;
1599: php_shutdown_function_entry shutdown_function_entry;
1600: zend_bool register_shutdown = 1;
1601:
1602: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O|b", &obj, php_session_iface_entry, ®ister_shutdown) == FAILURE) {
1603: RETURN_FALSE;
1604: }
1605:
1606: /* Find implemented methods */
1607: zend_hash_internal_pointer_reset_ex(&php_session_class_entry->function_table, &pos);
1608: i = 0;
1609: while (zend_hash_get_current_data_ex(&php_session_class_entry->function_table, (void **) &default_mptr, &pos) == SUCCESS) {
1610: zend_hash_get_current_key_ex(&php_session_class_entry->function_table, &func_name, &func_name_len, &func_index, 0, &pos);
1611:
1612: if (zend_hash_find(&Z_OBJCE_P(obj)->function_table, func_name, func_name_len, (void **)¤t_mptr) == SUCCESS) {
1613: if (PS(mod_user_names).names[i] != NULL) {
1614: zval_ptr_dtor(&PS(mod_user_names).names[i]);
1615: }
1616:
1617: MAKE_STD_ZVAL(callback);
1618: array_init_size(callback, 2);
1619: Z_ADDREF_P(obj);
1620: add_next_index_zval(callback, obj);
1621: add_next_index_stringl(callback, func_name, func_name_len - 1, 1);
1622: PS(mod_user_names).names[i] = callback;
1623: } else {
1624: php_error_docref(NULL TSRMLS_CC, E_ERROR, "Session handler's function table is corrupt");
1625: RETURN_FALSE;
1626: }
1627:
1628: zend_hash_move_forward_ex(&php_session_class_entry->function_table, &pos);
1629: ++i;
1630: }
1631:
1632: if (register_shutdown) {
1633: /* create shutdown function */
1634: shutdown_function_entry.arg_count = 1;
1635: shutdown_function_entry.arguments = (zval **) safe_emalloc(sizeof(zval *), 1, 0);
1636:
1637: MAKE_STD_ZVAL(callback);
1638: ZVAL_STRING(callback, "session_register_shutdown", 1);
1639: shutdown_function_entry.arguments[0] = callback;
1640:
1641: /* add shutdown function, removing the old one if it exists */
1642: if (!register_user_shutdown_function("session_shutdown", sizeof("session_shutdown"), &shutdown_function_entry TSRMLS_CC)) {
1643: zval_ptr_dtor(&callback);
1644: efree(shutdown_function_entry.arguments);
1645: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to register session shutdown function");
1646: RETURN_FALSE;
1647: }
1648: } else {
1649: /* remove shutdown function */
1650: remove_user_shutdown_function("session_shutdown", sizeof("session_shutdown") TSRMLS_CC);
1651: }
1652:
1653: if (PS(mod) && PS(session_status) == php_session_none && PS(mod) != &ps_mod_user) {
1654: zend_alter_ini_entry("session.save_handler", sizeof("session.save_handler"), "user", sizeof("user")-1, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
1655: }
1656:
1657: RETURN_TRUE;
1658: }
1659:
1.1 misho 1660: if (zend_parse_parameters(argc TSRMLS_CC, "+", &args, &num_args) == FAILURE) {
1661: return;
1662: }
1663:
1.1.1.2 misho 1664: /* remove shutdown function */
1665: remove_user_shutdown_function("session_shutdown", sizeof("session_shutdown") TSRMLS_CC);
1666:
1.1 misho 1667: for (i = 0; i < 6; i++) {
1668: if (!zend_is_callable(*args[i], 0, &name TSRMLS_CC)) {
1669: efree(args);
1670: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Argument %d is not a valid callback", i+1);
1671: efree(name);
1672: RETURN_FALSE;
1673: }
1674: efree(name);
1675: }
1.1.1.2 misho 1676:
1677: if (PS(mod) && PS(mod) != &ps_mod_user) {
1678: zend_alter_ini_entry("session.save_handler", sizeof("session.save_handler"), "user", sizeof("user")-1, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
1679: }
1.1 misho 1680:
1681: for (i = 0; i < 6; i++) {
1682: if (PS(mod_user_names).names[i] != NULL) {
1683: zval_ptr_dtor(&PS(mod_user_names).names[i]);
1684: }
1685: Z_ADDREF_PP(args[i]);
1686: PS(mod_user_names).names[i] = *args[i];
1687: }
1688:
1689: efree(args);
1690: RETURN_TRUE;
1691: }
1692: /* }}} */
1693:
1694: /* {{{ proto string session_save_path([string newname])
1695: Return the current save path passed to module_name. If newname is given, the save path is replaced with newname */
1696: static PHP_FUNCTION(session_save_path)
1697: {
1698: char *name = NULL;
1699: int name_len;
1700:
1701: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &name, &name_len) == FAILURE) {
1702: return;
1703: }
1704:
1705: RETVAL_STRING(PS(save_path), 1);
1706:
1707: if (name) {
1708: if (memchr(name, '\0', name_len) != NULL) {
1709: php_error_docref(NULL TSRMLS_CC, E_WARNING, "The save_path cannot contain NULL characters");
1710: zval_dtor(return_value);
1711: RETURN_FALSE;
1712: }
1713: zend_alter_ini_entry("session.save_path", sizeof("session.save_path"), name, name_len, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
1714: }
1715: }
1716: /* }}} */
1717:
1718: /* {{{ proto string session_id([string newid])
1719: Return the current session id. If newid is given, the session id is replaced with newid */
1720: static PHP_FUNCTION(session_id)
1721: {
1722: char *name = NULL;
1723: int name_len;
1724:
1725: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &name, &name_len) == FAILURE) {
1726: return;
1727: }
1728:
1729: if (PS(id)) {
1730: RETVAL_STRING(PS(id), 1);
1731: } else {
1732: RETVAL_EMPTY_STRING();
1733: }
1734:
1735: if (name) {
1736: if (PS(id)) {
1737: efree(PS(id));
1738: }
1739: PS(id) = estrndup(name, name_len);
1740: }
1741: }
1742: /* }}} */
1743:
1744: /* {{{ proto bool session_regenerate_id([bool delete_old_session])
1745: Update the current session id with a newly generated one. If delete_old_session is set to true, remove the old session. */
1746: static PHP_FUNCTION(session_regenerate_id)
1747: {
1748: zend_bool del_ses = 0;
1749:
1750: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|b", &del_ses) == FAILURE) {
1751: return;
1752: }
1753:
1754: if (SG(headers_sent) && PS(use_cookies)) {
1755: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot regenerate session id - headers already sent");
1756: RETURN_FALSE;
1757: }
1758:
1759: if (PS(session_status) == php_session_active) {
1760: if (PS(id)) {
1761: if (del_ses && PS(mod)->s_destroy(&PS(mod_data), PS(id) TSRMLS_CC) == FAILURE) {
1762: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Session object destruction failed");
1763: RETURN_FALSE;
1764: }
1765: efree(PS(id));
1766: PS(id) = NULL;
1767: }
1768:
1769: PS(id) = PS(mod)->s_create_sid(&PS(mod_data), NULL TSRMLS_CC);
1770:
1771: PS(send_cookie) = 1;
1772: php_session_reset_id(TSRMLS_C);
1773:
1774: RETURN_TRUE;
1775: }
1776: RETURN_FALSE;
1777: }
1778: /* }}} */
1779:
1780: /* {{{ proto string session_cache_limiter([string new_cache_limiter])
1781: Return the current cache limiter. If new_cache_limited is given, the current cache_limiter is replaced with new_cache_limiter */
1782: static PHP_FUNCTION(session_cache_limiter)
1783: {
1784: char *limiter = NULL;
1785: int limiter_len;
1786:
1787: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &limiter, &limiter_len) == FAILURE) {
1788: return;
1789: }
1790:
1791: RETVAL_STRING(PS(cache_limiter), 1);
1792:
1793: if (limiter) {
1794: zend_alter_ini_entry("session.cache_limiter", sizeof("session.cache_limiter"), limiter, limiter_len, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
1795: }
1796: }
1797: /* }}} */
1798:
1799: /* {{{ proto int session_cache_expire([int new_cache_expire])
1800: Return the current cache expire. If new_cache_expire is given, the current cache_expire is replaced with new_cache_expire */
1801: static PHP_FUNCTION(session_cache_expire)
1802: {
1803: zval **expires = NULL;
1804: int argc = ZEND_NUM_ARGS();
1805:
1806: if (zend_parse_parameters(argc TSRMLS_CC, "|Z", &expires) == FAILURE) {
1807: return;
1808: }
1809:
1810: RETVAL_LONG(PS(cache_expire));
1811:
1812: if (argc == 1) {
1813: convert_to_string_ex(expires);
1814: 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);
1815: }
1816: }
1817: /* }}} */
1818:
1819: /* {{{ proto string session_encode(void)
1820: Serializes the current setup and returns the serialized representation */
1821: static PHP_FUNCTION(session_encode)
1822: {
1823: int len;
1824: char *enc;
1825:
1826: if (zend_parse_parameters_none() == FAILURE) {
1827: return;
1828: }
1829:
1830: enc = php_session_encode(&len TSRMLS_CC);
1831: if (enc == NULL) {
1832: RETURN_FALSE;
1833: }
1834:
1835: RETVAL_STRINGL(enc, len, 0);
1836: }
1837: /* }}} */
1838:
1839: /* {{{ proto bool session_decode(string data)
1840: Deserializes data and reinitializes the variables */
1841: static PHP_FUNCTION(session_decode)
1842: {
1843: char *str;
1844: int str_len;
1845:
1846: if (PS(session_status) == php_session_none) {
1847: RETURN_FALSE;
1848: }
1849:
1850: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &str, &str_len) == FAILURE) {
1851: return;
1852: }
1853:
1854: php_session_decode(str, str_len TSRMLS_CC);
1855:
1856: RETURN_TRUE;
1857: }
1858: /* }}} */
1859:
1860: /* {{{ proto bool session_start(void)
1861: Begin session - reinitializes freezed variables, registers browsers etc */
1862: static PHP_FUNCTION(session_start)
1863: {
1864: /* skipping check for non-zero args for performance reasons here ?*/
1865: php_session_start(TSRMLS_C);
1866:
1867: if (PS(session_status) != php_session_active) {
1868: RETURN_FALSE;
1869: }
1870: RETURN_TRUE;
1871: }
1872: /* }}} */
1873:
1874: /* {{{ proto bool session_destroy(void)
1875: Destroy the current session and all data associated with it */
1876: static PHP_FUNCTION(session_destroy)
1877: {
1878: if (zend_parse_parameters_none() == FAILURE) {
1879: return;
1880: }
1881:
1882: RETURN_BOOL(php_session_destroy(TSRMLS_C) == SUCCESS);
1883: }
1884: /* }}} */
1885:
1886: /* {{{ proto void session_unset(void)
1887: Unset all registered variables */
1888: static PHP_FUNCTION(session_unset)
1889: {
1890: if (PS(session_status) == php_session_none) {
1891: RETURN_FALSE;
1892: }
1893:
1894: IF_SESSION_VARS() {
1895: HashTable *ht_sess_var;
1896:
1897: SEPARATE_ZVAL_IF_NOT_REF(&PS(http_session_vars));
1898: ht_sess_var = Z_ARRVAL_P(PS(http_session_vars));
1899:
1900: /* Clean $_SESSION. */
1901: zend_hash_clean(ht_sess_var);
1902: }
1903: }
1904: /* }}} */
1905:
1906: /* {{{ proto void session_write_close(void)
1907: Write session data and end session */
1908: static PHP_FUNCTION(session_write_close)
1909: {
1910: php_session_flush(TSRMLS_C);
1911: }
1912: /* }}} */
1913:
1.1.1.2 misho 1914: /* {{{ proto int session_status(void)
1915: Returns the current session status */
1916: static PHP_FUNCTION(session_status)
1.1 misho 1917: {
1.1.1.2 misho 1918: if (zend_parse_parameters_none() == FAILURE) {
1.1 misho 1919: return;
1920: }
1921:
1.1.1.2 misho 1922: RETURN_LONG(PS(session_status));
1.1 misho 1923: }
1924: /* }}} */
1925:
1.1.1.2 misho 1926: /* {{{ proto void session_register_shutdown(void)
1927: Registers session_write_close() as a shutdown function */
1928: static PHP_FUNCTION(session_register_shutdown)
1929: {
1930: php_shutdown_function_entry shutdown_function_entry;
1931: zval *callback;
1932:
1933: /* This function is registered itself as a shutdown function by
1934: * session_set_save_handler($obj). The reason we now register another
1935: * shutdown function is in case the user registered their own shutdown
1936: * function after calling session_set_save_handler(), which expects
1937: * the session still to be available.
1938: */
1939:
1940: shutdown_function_entry.arg_count = 1;
1941: shutdown_function_entry.arguments = (zval **) safe_emalloc(sizeof(zval *), 1, 0);
1942:
1943: MAKE_STD_ZVAL(callback);
1944: ZVAL_STRING(callback, "session_write_close", 1);
1945: shutdown_function_entry.arguments[0] = callback;
1946:
1947: if (!append_user_shutdown_function(shutdown_function_entry TSRMLS_CC)) {
1948: zval_ptr_dtor(&callback);
1949: efree(shutdown_function_entry.arguments);
1950:
1951: /* Unable to register shutdown function, presumably because of lack
1952: * of memory, so flush the session now. It would be done in rshutdown
1953: * anyway but the handler will have had it's dtor called by then.
1954: * If the user does have a later shutdown function which needs the
1955: * session then tough luck.
1956: */
1957: php_session_flush(TSRMLS_C);
1958: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to register session flush function");
1.1 misho 1959: }
1960: }
1961: /* }}} */
1962:
1963: /* {{{ arginfo */
1964: ZEND_BEGIN_ARG_INFO_EX(arginfo_session_name, 0, 0, 0)
1965: ZEND_ARG_INFO(0, name)
1966: ZEND_END_ARG_INFO()
1967:
1968: ZEND_BEGIN_ARG_INFO_EX(arginfo_session_module_name, 0, 0, 0)
1969: ZEND_ARG_INFO(0, module)
1970: ZEND_END_ARG_INFO()
1971:
1972: ZEND_BEGIN_ARG_INFO_EX(arginfo_session_save_path, 0, 0, 0)
1973: ZEND_ARG_INFO(0, path)
1974: ZEND_END_ARG_INFO()
1975:
1976: ZEND_BEGIN_ARG_INFO_EX(arginfo_session_id, 0, 0, 0)
1977: ZEND_ARG_INFO(0, id)
1978: ZEND_END_ARG_INFO()
1979:
1980: ZEND_BEGIN_ARG_INFO_EX(arginfo_session_regenerate_id, 0, 0, 0)
1981: ZEND_ARG_INFO(0, delete_old_session)
1982: ZEND_END_ARG_INFO()
1983:
1984: ZEND_BEGIN_ARG_INFO_EX(arginfo_session_decode, 0, 0, 1)
1985: ZEND_ARG_INFO(0, data)
1986: ZEND_END_ARG_INFO()
1987:
1988: ZEND_BEGIN_ARG_INFO(arginfo_session_void, 0)
1989: ZEND_END_ARG_INFO()
1990:
1991: ZEND_BEGIN_ARG_INFO_EX(arginfo_session_set_save_handler, 0, 0, 6)
1992: ZEND_ARG_INFO(0, open)
1993: ZEND_ARG_INFO(0, close)
1994: ZEND_ARG_INFO(0, read)
1995: ZEND_ARG_INFO(0, write)
1996: ZEND_ARG_INFO(0, destroy)
1997: ZEND_ARG_INFO(0, gc)
1998: ZEND_END_ARG_INFO()
1999:
2000: ZEND_BEGIN_ARG_INFO_EX(arginfo_session_cache_limiter, 0, 0, 0)
2001: ZEND_ARG_INFO(0, cache_limiter)
2002: ZEND_END_ARG_INFO()
2003:
2004: ZEND_BEGIN_ARG_INFO_EX(arginfo_session_cache_expire, 0, 0, 0)
2005: ZEND_ARG_INFO(0, new_cache_expire)
2006: ZEND_END_ARG_INFO()
2007:
2008: ZEND_BEGIN_ARG_INFO_EX(arginfo_session_set_cookie_params, 0, 0, 1)
2009: ZEND_ARG_INFO(0, lifetime)
2010: ZEND_ARG_INFO(0, path)
2011: ZEND_ARG_INFO(0, domain)
2012: ZEND_ARG_INFO(0, secure)
2013: ZEND_ARG_INFO(0, httponly)
2014: ZEND_END_ARG_INFO()
1.1.1.2 misho 2015:
2016: ZEND_BEGIN_ARG_INFO(arginfo_session_class_open, 0)
2017: ZEND_ARG_INFO(0, save_path)
2018: ZEND_ARG_INFO(0, session_name)
2019: ZEND_END_ARG_INFO()
2020:
2021: ZEND_BEGIN_ARG_INFO(arginfo_session_class_close, 0)
2022: ZEND_END_ARG_INFO()
2023:
2024: ZEND_BEGIN_ARG_INFO(arginfo_session_class_read, 0)
2025: ZEND_ARG_INFO(0, key)
2026: ZEND_END_ARG_INFO()
2027:
2028: ZEND_BEGIN_ARG_INFO(arginfo_session_class_write, 0)
2029: ZEND_ARG_INFO(0, key)
2030: ZEND_ARG_INFO(0, val)
2031: ZEND_END_ARG_INFO()
2032:
2033: ZEND_BEGIN_ARG_INFO(arginfo_session_class_destroy, 0)
2034: ZEND_ARG_INFO(0, key)
2035: ZEND_END_ARG_INFO()
2036:
2037: ZEND_BEGIN_ARG_INFO(arginfo_session_class_gc, 0)
2038: ZEND_ARG_INFO(0, maxlifetime)
2039: ZEND_END_ARG_INFO()
1.1 misho 2040: /* }}} */
2041:
2042: /* {{{ session_functions[]
2043: */
2044: static const zend_function_entry session_functions[] = {
2045: PHP_FE(session_name, arginfo_session_name)
2046: PHP_FE(session_module_name, arginfo_session_module_name)
2047: PHP_FE(session_save_path, arginfo_session_save_path)
2048: PHP_FE(session_id, arginfo_session_id)
2049: PHP_FE(session_regenerate_id, arginfo_session_regenerate_id)
2050: PHP_FE(session_decode, arginfo_session_decode)
2051: PHP_FE(session_encode, arginfo_session_void)
2052: PHP_FE(session_start, arginfo_session_void)
2053: PHP_FE(session_destroy, arginfo_session_void)
2054: PHP_FE(session_unset, arginfo_session_void)
2055: PHP_FE(session_set_save_handler, arginfo_session_set_save_handler)
2056: PHP_FE(session_cache_limiter, arginfo_session_cache_limiter)
2057: PHP_FE(session_cache_expire, arginfo_session_cache_expire)
2058: PHP_FE(session_set_cookie_params, arginfo_session_set_cookie_params)
2059: PHP_FE(session_get_cookie_params, arginfo_session_void)
2060: PHP_FE(session_write_close, arginfo_session_void)
1.1.1.2 misho 2061: PHP_FE(session_status, arginfo_session_void)
2062: PHP_FE(session_register_shutdown, arginfo_session_void)
1.1 misho 2063: PHP_FALIAS(session_commit, session_write_close, arginfo_session_void)
2064: PHP_FE_END
2065: };
2066: /* }}} */
2067:
1.1.1.2 misho 2068: /* {{{ SessionHandlerInterface functions[]
2069: */
2070: static const zend_function_entry php_session_iface_functions[] = {
2071: PHP_ABSTRACT_ME(SessionHandlerInterface, open, arginfo_session_class_open)
2072: PHP_ABSTRACT_ME(SessionHandlerInterface, close, arginfo_session_class_close)
2073: PHP_ABSTRACT_ME(SessionHandlerInterface, read, arginfo_session_class_read)
2074: PHP_ABSTRACT_ME(SessionHandlerInterface, write, arginfo_session_class_write)
2075: PHP_ABSTRACT_ME(SessionHandlerInterface, destroy, arginfo_session_class_destroy)
2076: PHP_ABSTRACT_ME(SessionHandlerInterface, gc, arginfo_session_class_gc)
2077: { NULL, NULL, NULL }
2078: };
2079: /* }}} */
2080:
2081: /* {{{ SessionHandler functions[]
2082: */
2083: static const zend_function_entry php_session_class_functions[] = {
2084: PHP_ME(SessionHandler, open, arginfo_session_class_open, ZEND_ACC_PUBLIC)
2085: PHP_ME(SessionHandler, close, arginfo_session_class_close, ZEND_ACC_PUBLIC)
2086: PHP_ME(SessionHandler, read, arginfo_session_class_read, ZEND_ACC_PUBLIC)
2087: PHP_ME(SessionHandler, write, arginfo_session_class_write, ZEND_ACC_PUBLIC)
2088: PHP_ME(SessionHandler, destroy, arginfo_session_class_destroy, ZEND_ACC_PUBLIC)
2089: PHP_ME(SessionHandler, gc, arginfo_session_class_gc, ZEND_ACC_PUBLIC)
2090: { NULL, NULL, NULL }
2091: };
2092: /* }}} */
2093:
1.1 misho 2094: /* ********************************
2095: * Module Setup and Destruction *
2096: ******************************** */
2097:
1.1.1.2 misho 2098: static int php_rinit_session(zend_bool auto_start TSRMLS_DC) /* {{{ */
1.1 misho 2099: {
2100: php_rinit_session_globals(TSRMLS_C);
2101:
2102: if (PS(mod) == NULL) {
2103: char *value;
2104:
2105: value = zend_ini_string("session.save_handler", sizeof("session.save_handler"), 0);
2106: if (value) {
2107: PS(mod) = _php_find_ps_module(value TSRMLS_CC);
2108: }
2109: }
2110:
2111: if (PS(serializer) == NULL) {
2112: char *value;
2113:
2114: value = zend_ini_string("session.serialize_handler", sizeof("session.serialize_handler"), 0);
2115: if (value) {
2116: PS(serializer) = _php_find_ps_serializer(value TSRMLS_CC);
2117: }
2118: }
2119:
2120: if (PS(mod) == NULL || PS(serializer) == NULL) {
2121: /* current status is unusable */
2122: PS(session_status) = php_session_disabled;
2123: return SUCCESS;
2124: }
2125:
1.1.1.2 misho 2126: if (auto_start) {
1.1 misho 2127: php_session_start(TSRMLS_C);
2128: }
2129:
2130: return SUCCESS;
1.1.1.2 misho 2131: } /* }}} */
2132:
2133: static PHP_RINIT_FUNCTION(session) /* {{{ */
2134: {
2135: return php_rinit_session(PS(auto_start) TSRMLS_CC);
1.1 misho 2136: }
2137: /* }}} */
2138:
2139: static PHP_RSHUTDOWN_FUNCTION(session) /* {{{ */
2140: {
2141: int i;
2142:
1.1.1.2 misho 2143: zend_try {
2144: php_session_flush(TSRMLS_C);
2145: } zend_end_try();
1.1 misho 2146: php_rshutdown_session_globals(TSRMLS_C);
2147:
2148: /* this should NOT be done in php_rshutdown_session_globals() */
2149: for (i = 0; i < 6; i++) {
2150: if (PS(mod_user_names).names[i] != NULL) {
2151: zval_ptr_dtor(&PS(mod_user_names).names[i]);
2152: PS(mod_user_names).names[i] = NULL;
2153: }
2154: }
2155:
2156: return SUCCESS;
2157: }
2158: /* }}} */
2159:
2160: static PHP_GINIT_FUNCTION(ps) /* {{{ */
2161: {
2162: int i;
2163:
2164: ps_globals->save_path = NULL;
2165: ps_globals->session_name = NULL;
2166: ps_globals->id = NULL;
2167: ps_globals->mod = NULL;
2168: ps_globals->serializer = NULL;
2169: ps_globals->mod_data = NULL;
2170: ps_globals->session_status = php_session_none;
1.1.1.2 misho 2171: ps_globals->default_mod = NULL;
2172: ps_globals->mod_user_implemented = 0;
2173: ps_globals->mod_user_is_open = 0;
1.1 misho 2174: for (i = 0; i < 6; i++) {
2175: ps_globals->mod_user_names.names[i] = NULL;
2176: }
2177: ps_globals->http_session_vars = NULL;
2178: }
2179: /* }}} */
2180:
2181: static PHP_MINIT_FUNCTION(session) /* {{{ */
2182: {
1.1.1.2 misho 2183: zend_class_entry ce;
2184:
2185: zend_register_auto_global("_SESSION", sizeof("_SESSION")-1, 0, NULL TSRMLS_CC);
1.1 misho 2186:
2187: PS(module_number) = module_number; /* if we really need this var we need to init it in zts mode as well! */
2188:
2189: PS(session_status) = php_session_none;
2190: REGISTER_INI_ENTRIES();
2191:
2192: #ifdef HAVE_LIBMM
2193: PHP_MINIT(ps_mm) (INIT_FUNC_ARGS_PASSTHRU);
2194: #endif
1.1.1.2 misho 2195: php_session_rfc1867_orig_callback = php_rfc1867_callback;
2196: php_rfc1867_callback = php_session_rfc1867_callback;
2197:
2198: /* Register interface */
2199: INIT_CLASS_ENTRY(ce, PS_IFACE_NAME, php_session_iface_functions);
2200: php_session_iface_entry = zend_register_internal_class(&ce TSRMLS_CC);
2201: php_session_iface_entry->ce_flags |= ZEND_ACC_INTERFACE;
2202:
2203: /* Register base class */
2204: INIT_CLASS_ENTRY(ce, PS_CLASS_NAME, php_session_class_functions);
2205: php_session_class_entry = zend_register_internal_class(&ce TSRMLS_CC);
2206: zend_class_implements(php_session_class_entry TSRMLS_CC, 1, php_session_iface_entry);
2207:
2208: REGISTER_LONG_CONSTANT("PHP_SESSION_DISABLED", php_session_disabled, CONST_CS | CONST_PERSISTENT);
2209: REGISTER_LONG_CONSTANT("PHP_SESSION_NONE", php_session_none, CONST_CS | CONST_PERSISTENT);
2210: REGISTER_LONG_CONSTANT("PHP_SESSION_ACTIVE", php_session_active, CONST_CS | CONST_PERSISTENT);
2211:
1.1 misho 2212: return SUCCESS;
2213: }
2214: /* }}} */
2215:
2216: static PHP_MSHUTDOWN_FUNCTION(session) /* {{{ */
2217: {
2218: UNREGISTER_INI_ENTRIES();
2219:
2220: #ifdef HAVE_LIBMM
2221: PHP_MSHUTDOWN(ps_mm) (SHUTDOWN_FUNC_ARGS_PASSTHRU);
2222: #endif
2223:
1.1.1.3 ! misho 2224: /* restore the orig callback */
! 2225: php_rfc1867_callback = php_session_rfc1867_orig_callback;
! 2226:
1.1 misho 2227: ps_serializers[PREDEFINED_SERIALIZERS].name = NULL;
2228: memset(&ps_modules[PREDEFINED_MODULES], 0, (MAX_MODULES-PREDEFINED_MODULES)*sizeof(ps_module *));
2229:
2230: return SUCCESS;
2231: }
2232: /* }}} */
2233:
2234: static PHP_MINFO_FUNCTION(session) /* {{{ */
2235: {
2236: ps_module **mod;
2237: ps_serializer *ser;
2238: smart_str save_handlers = {0};
2239: smart_str ser_handlers = {0};
2240: int i;
2241:
2242: /* Get save handlers */
2243: for (i = 0, mod = ps_modules; i < MAX_MODULES; i++, mod++) {
2244: if (*mod && (*mod)->s_name) {
2245: smart_str_appends(&save_handlers, (*mod)->s_name);
2246: smart_str_appendc(&save_handlers, ' ');
2247: }
2248: }
2249:
2250: /* Get serializer handlers */
2251: for (i = 0, ser = ps_serializers; i < MAX_SERIALIZERS; i++, ser++) {
2252: if (ser && ser->name) {
2253: smart_str_appends(&ser_handlers, ser->name);
2254: smart_str_appendc(&ser_handlers, ' ');
2255: }
2256: }
2257:
2258: php_info_print_table_start();
2259: php_info_print_table_row(2, "Session Support", "enabled" );
2260:
2261: if (save_handlers.c) {
2262: smart_str_0(&save_handlers);
2263: php_info_print_table_row(2, "Registered save handlers", save_handlers.c);
2264: smart_str_free(&save_handlers);
2265: } else {
2266: php_info_print_table_row(2, "Registered save handlers", "none");
2267: }
2268:
2269: if (ser_handlers.c) {
2270: smart_str_0(&ser_handlers);
2271: php_info_print_table_row(2, "Registered serializer handlers", ser_handlers.c);
2272: smart_str_free(&ser_handlers);
2273: } else {
2274: php_info_print_table_row(2, "Registered serializer handlers", "none");
2275: }
2276:
2277: php_info_print_table_end();
2278:
2279: DISPLAY_INI_ENTRIES();
2280: }
2281: /* }}} */
2282:
2283: static const zend_module_dep session_deps[] = { /* {{{ */
2284: ZEND_MOD_OPTIONAL("hash")
2285: ZEND_MOD_REQUIRED("spl")
2286: ZEND_MOD_END
2287: };
2288: /* }}} */
2289:
1.1.1.2 misho 2290: /* ************************
2291: * Upload hook handling *
2292: ************************ */
2293:
2294: static zend_bool early_find_sid_in(zval *dest, int where, php_session_rfc1867_progress *progress TSRMLS_DC) /* {{{ */
2295: {
2296: zval **ppid;
2297:
2298: if (!PG(http_globals)[where]) {
2299: return 0;
2300: }
2301:
2302: if (zend_hash_find(Z_ARRVAL_P(PG(http_globals)[where]), PS(session_name), progress->sname_len+1, (void **)&ppid) == SUCCESS
2303: && Z_TYPE_PP(ppid) == IS_STRING) {
2304: zval_dtor(dest);
2305: ZVAL_ZVAL(dest, *ppid, 1, 0);
2306: return 1;
2307: }
2308:
2309: return 0;
2310: } /* }}} */
2311:
2312: static void php_session_rfc1867_early_find_sid(php_session_rfc1867_progress *progress TSRMLS_DC) /* {{{ */
2313: {
2314:
2315: if (PS(use_cookies)) {
2316: sapi_module.treat_data(PARSE_COOKIE, NULL, NULL TSRMLS_CC);
2317: if (early_find_sid_in(&progress->sid, TRACK_VARS_COOKIE, progress TSRMLS_CC)) {
2318: progress->apply_trans_sid = 0;
2319: return;
2320: }
2321: }
2322: if (PS(use_only_cookies)) {
2323: return;
2324: }
2325: sapi_module.treat_data(PARSE_GET, NULL, NULL TSRMLS_CC);
2326: early_find_sid_in(&progress->sid, TRACK_VARS_GET, progress TSRMLS_CC);
2327: } /* }}} */
2328:
2329: static zend_bool php_check_cancel_upload(php_session_rfc1867_progress *progress TSRMLS_DC) /* {{{ */
2330: {
2331: zval **progress_ary, **cancel_upload;
2332:
2333: if (zend_symtable_find(Z_ARRVAL_P(PS(http_session_vars)), progress->key.c, progress->key.len+1, (void**)&progress_ary) != SUCCESS) {
2334: return 0;
2335: }
2336: if (Z_TYPE_PP(progress_ary) != IS_ARRAY) {
2337: return 0;
2338: }
2339: if (zend_hash_find(Z_ARRVAL_PP(progress_ary), "cancel_upload", sizeof("cancel_upload"), (void**)&cancel_upload) != SUCCESS) {
2340: return 0;
2341: }
2342: return Z_TYPE_PP(cancel_upload) == IS_BOOL && Z_LVAL_PP(cancel_upload);
2343: } /* }}} */
2344:
2345: static void php_session_rfc1867_update(php_session_rfc1867_progress *progress, int force_update TSRMLS_DC) /* {{{ */
2346: {
2347: if (!force_update) {
2348: if (Z_LVAL_P(progress->post_bytes_processed) < progress->next_update) {
2349: return;
2350: }
2351: #ifdef HAVE_GETTIMEOFDAY
2352: if (PS(rfc1867_min_freq) > 0.0) {
2353: struct timeval tv = {0};
2354: double dtv;
2355: gettimeofday(&tv, NULL);
2356: dtv = (double) tv.tv_sec + tv.tv_usec / 1000000.0;
2357: if (dtv < progress->next_update_time) {
2358: return;
2359: }
2360: progress->next_update_time = dtv + PS(rfc1867_min_freq);
2361: }
2362: #endif
2363: progress->next_update = Z_LVAL_P(progress->post_bytes_processed) + progress->update_step;
2364: }
2365:
2366: php_session_initialize(TSRMLS_C);
2367: PS(session_status) = php_session_active;
2368: IF_SESSION_VARS() {
2369: progress->cancel_upload = php_check_cancel_upload(progress TSRMLS_CC);
2370: ZEND_SET_SYMBOL_WITH_LENGTH(Z_ARRVAL_P(PS(http_session_vars)), progress->key.c, progress->key.len+1, progress->data, 2, 0);
2371: }
2372: php_session_flush(TSRMLS_C);
2373: } /* }}} */
2374:
2375: static void php_session_rfc1867_cleanup(php_session_rfc1867_progress *progress TSRMLS_DC) /* {{{ */
2376: {
2377: php_session_initialize(TSRMLS_C);
2378: PS(session_status) = php_session_active;
2379: IF_SESSION_VARS() {
2380: zend_hash_del(Z_ARRVAL_P(PS(http_session_vars)), progress->key.c, progress->key.len+1);
2381: }
2382: php_session_flush(TSRMLS_C);
2383: } /* }}} */
2384:
2385: static int php_session_rfc1867_callback(unsigned int event, void *event_data, void **extra TSRMLS_DC) /* {{{ */
2386: {
2387: php_session_rfc1867_progress *progress;
2388: int retval = SUCCESS;
2389:
2390: if (php_session_rfc1867_orig_callback) {
2391: retval = php_session_rfc1867_orig_callback(event, event_data, extra TSRMLS_CC);
2392: }
2393: if (!PS(rfc1867_enabled)) {
2394: return retval;
2395: }
2396:
2397: progress = PS(rfc1867_progress);
2398:
2399: switch(event) {
2400: case MULTIPART_EVENT_START: {
2401: multipart_event_start *data = (multipart_event_start *) event_data;
2402: progress = ecalloc(1, sizeof(php_session_rfc1867_progress));
2403: progress->content_length = data->content_length;
2404: progress->sname_len = strlen(PS(session_name));
2405: PS(rfc1867_progress) = progress;
2406: }
2407: break;
2408: case MULTIPART_EVENT_FORMDATA: {
2409: multipart_event_formdata *data = (multipart_event_formdata *) event_data;
2410: size_t value_len;
2411:
2412: if (Z_TYPE(progress->sid) && progress->key.c) {
2413: break;
2414: }
2415:
2416: /* orig callback may have modified *data->newlength */
2417: if (data->newlength) {
2418: value_len = *data->newlength;
2419: } else {
2420: value_len = data->length;
2421: }
2422:
2423: if (data->name && data->value && value_len) {
2424: size_t name_len = strlen(data->name);
2425:
2426: if (name_len == progress->sname_len && memcmp(data->name, PS(session_name), name_len) == 0) {
2427: zval_dtor(&progress->sid);
2428: ZVAL_STRINGL(&progress->sid, (*data->value), value_len, 1);
2429:
2430: } else if (name_len == PS(rfc1867_name).len && memcmp(data->name, PS(rfc1867_name).c, name_len) == 0) {
2431: smart_str_free(&progress->key);
2432: smart_str_appendl(&progress->key, PS(rfc1867_prefix).c, PS(rfc1867_prefix).len);
2433: smart_str_appendl(&progress->key, *data->value, value_len);
2434: smart_str_0(&progress->key);
2435:
2436: progress->apply_trans_sid = PS(use_trans_sid);
2437: php_session_rfc1867_early_find_sid(progress TSRMLS_CC);
2438: }
2439: }
2440: }
2441: break;
2442: case MULTIPART_EVENT_FILE_START: {
2443: multipart_event_file_start *data = (multipart_event_file_start *) event_data;
2444:
2445: /* Do nothing when $_POST["PHP_SESSION_UPLOAD_PROGRESS"] is not set
2446: * or when we have no session id */
2447: if (!Z_TYPE(progress->sid) || !progress->key.c) {
2448: break;
2449: }
2450:
2451: /* First FILE_START event, initializing data */
2452: if (!progress->data) {
2453:
2454: if (PS(rfc1867_freq) >= 0) {
2455: progress->update_step = PS(rfc1867_freq);
2456: } else if (PS(rfc1867_freq) < 0) { /* % of total size */
2457: progress->update_step = progress->content_length * -PS(rfc1867_freq) / 100;
2458: }
2459: progress->next_update = 0;
2460: progress->next_update_time = 0.0;
2461:
2462: ALLOC_INIT_ZVAL(progress->data);
2463: array_init(progress->data);
2464:
2465: ALLOC_INIT_ZVAL(progress->post_bytes_processed);
2466: ZVAL_LONG(progress->post_bytes_processed, data->post_bytes_processed);
2467:
2468: ALLOC_INIT_ZVAL(progress->files);
2469: array_init(progress->files);
2470:
2471: add_assoc_long_ex(progress->data, "start_time", sizeof("start_time"), (long)sapi_get_request_time(TSRMLS_C));
2472: add_assoc_long_ex(progress->data, "content_length", sizeof("content_length"), progress->content_length);
2473: add_assoc_zval_ex(progress->data, "bytes_processed", sizeof("bytes_processed"), progress->post_bytes_processed);
2474: add_assoc_bool_ex(progress->data, "done", sizeof("done"), 0);
2475: add_assoc_zval_ex(progress->data, "files", sizeof("files"), progress->files);
2476:
2477: php_rinit_session(0 TSRMLS_CC);
2478: PS(id) = estrndup(Z_STRVAL(progress->sid), Z_STRLEN(progress->sid));
2479: PS(apply_trans_sid) = progress->apply_trans_sid;
2480: PS(send_cookie) = 0;
2481: }
2482:
2483: ALLOC_INIT_ZVAL(progress->current_file);
2484: array_init(progress->current_file);
2485:
2486: ALLOC_INIT_ZVAL(progress->current_file_bytes_processed);
2487: ZVAL_LONG(progress->current_file_bytes_processed, 0);
2488:
2489: /* Each uploaded file has its own array. Trying to make it close to $_FILES entries. */
2490: add_assoc_string_ex(progress->current_file, "field_name", sizeof("field_name"), data->name, 1);
2491: add_assoc_string_ex(progress->current_file, "name", sizeof("name"), *data->filename, 1);
2492: add_assoc_null_ex(progress->current_file, "tmp_name", sizeof("tmp_name"));
2493: add_assoc_long_ex(progress->current_file, "error", sizeof("error"), 0);
2494:
2495: add_assoc_bool_ex(progress->current_file, "done", sizeof("done"), 0);
2496: add_assoc_long_ex(progress->current_file, "start_time", sizeof("start_time"), (long)time(NULL));
2497: add_assoc_zval_ex(progress->current_file, "bytes_processed", sizeof("bytes_processed"), progress->current_file_bytes_processed);
2498:
2499: add_next_index_zval(progress->files, progress->current_file);
2500:
2501: Z_LVAL_P(progress->post_bytes_processed) = data->post_bytes_processed;
2502:
2503: php_session_rfc1867_update(progress, 0 TSRMLS_CC);
2504: }
2505: break;
2506: case MULTIPART_EVENT_FILE_DATA: {
2507: multipart_event_file_data *data = (multipart_event_file_data *) event_data;
2508:
2509: if (!Z_TYPE(progress->sid) || !progress->key.c) {
2510: break;
2511: }
2512:
2513: Z_LVAL_P(progress->current_file_bytes_processed) = data->offset + data->length;
2514: Z_LVAL_P(progress->post_bytes_processed) = data->post_bytes_processed;
2515:
2516: php_session_rfc1867_update(progress, 0 TSRMLS_CC);
2517: }
2518: break;
2519: case MULTIPART_EVENT_FILE_END: {
2520: multipart_event_file_end *data = (multipart_event_file_end *) event_data;
2521:
2522: if (!Z_TYPE(progress->sid) || !progress->key.c) {
2523: break;
2524: }
2525:
2526: if (data->temp_filename) {
2527: add_assoc_string_ex(progress->current_file, "tmp_name", sizeof("tmp_name"), data->temp_filename, 1);
2528: }
2529: add_assoc_long_ex(progress->current_file, "error", sizeof("error"), data->cancel_upload);
2530: add_assoc_bool_ex(progress->current_file, "done", sizeof("done"), 1);
2531:
2532: Z_LVAL_P(progress->post_bytes_processed) = data->post_bytes_processed;
2533:
2534: php_session_rfc1867_update(progress, 0 TSRMLS_CC);
2535: }
2536: break;
2537: case MULTIPART_EVENT_END: {
2538: multipart_event_end *data = (multipart_event_end *) event_data;
2539:
2540: if (Z_TYPE(progress->sid) && progress->key.c) {
2541: if (PS(rfc1867_cleanup)) {
2542: php_session_rfc1867_cleanup(progress TSRMLS_CC);
2543: } else {
2544: add_assoc_bool_ex(progress->data, "done", sizeof("done"), 1);
2545: Z_LVAL_P(progress->post_bytes_processed) = data->post_bytes_processed;
2546: php_session_rfc1867_update(progress, 1 TSRMLS_CC);
2547: }
2548: php_rshutdown_session_globals(TSRMLS_C);
2549: }
2550:
2551: if (progress->data) {
2552: zval_ptr_dtor(&progress->data);
2553: }
2554: zval_dtor(&progress->sid);
2555: smart_str_free(&progress->key);
2556: efree(progress);
2557: progress = NULL;
2558: PS(rfc1867_progress) = NULL;
2559: }
2560: break;
2561: }
2562:
2563: if (progress && progress->cancel_upload) {
2564: return FAILURE;
2565: }
2566: return retval;
2567:
2568: } /* }}} */
2569:
1.1 misho 2570: zend_module_entry session_module_entry = {
2571: STANDARD_MODULE_HEADER_EX,
2572: NULL,
2573: session_deps,
2574: "session",
2575: session_functions,
2576: PHP_MINIT(session), PHP_MSHUTDOWN(session),
2577: PHP_RINIT(session), PHP_RSHUTDOWN(session),
2578: PHP_MINFO(session),
2579: NO_VERSION_YET,
2580: PHP_MODULE_GLOBALS(ps),
2581: PHP_GINIT(ps),
2582: NULL,
2583: NULL,
2584: STANDARD_MODULE_PROPERTIES_EX
2585: };
2586:
2587: #ifdef COMPILE_DL_SESSION
2588: ZEND_GET_MODULE(session)
2589: #endif
2590:
2591: /*
2592: * Local variables:
2593: * tab-width: 4
2594: * c-basic-offset: 4
2595: * End:
2596: * vim600: noet sw=4 ts=4 fdm=marker
2597: * vim<600: sw=4 ts=4
2598: */
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/cvsweb/back.gif){kind=icon}
Return to session.c CVS log ![[TXT]](/icons/cvsweb/text.gif){kind=icon}
![[DIR]](/icons/cvsweb/dir.gif){kind=icon}
Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / php / ext / session