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LCOV - code coverage report
Current view: top level - ext/phar - phar.c (source / functions) Hit Total Coverage
Test: PHP Code Coverage Lines: 1407 1802 78.1 %
Date: 2014-07-27 Functions: 44 44 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :   +----------------------------------------------------------------------+
       3             :   | phar php single-file executable PHP extension                        |
       4             :   +----------------------------------------------------------------------+
       5             :   | Copyright (c) 2005-2013 The PHP Group                                |
       6             :   +----------------------------------------------------------------------+
       7             :   | This source file is subject to version 3.01 of the PHP license,      |
       8             :   | that is bundled with this package in the file LICENSE, and is        |
       9             :   | available through the world-wide-web at the following url:           |
      10             :   | http://www.php.net/license/3_01.txt.                                 |
      11             :   | If you did not receive a copy of the PHP license and are unable to   |
      12             :   | obtain it through the world-wide-web, please send a note to          |
      13             :   | license@php.net so we can mail you a copy immediately.               |
      14             :   +----------------------------------------------------------------------+
      15             :   | Authors: Gregory Beaver <cellog@php.net>                             |
      16             :   |          Marcus Boerger <helly@php.net>                              |
      17             :   +----------------------------------------------------------------------+
      18             : */
      19             : 
      20             : /* $Id: 21d763042eb5769ae0a09dc1118df2b5aae6fb33 $ */
      21             : 
      22             : #define PHAR_MAIN 1
      23             : #include "phar_internal.h"
      24             : #include "SAPI.h"
      25             : #include "func_interceptors.h"
      26             : 
      27             : static void destroy_phar_data(void *pDest);
      28             : 
      29             : ZEND_DECLARE_MODULE_GLOBALS(phar)
      30             : #if PHP_VERSION_ID >= 50300
      31             : char *(*phar_save_resolve_path)(const char *filename, int filename_len TSRMLS_DC);
      32             : #endif
      33             : 
      34             : /**
      35             :  * set's phar->is_writeable based on the current INI value
      36             :  */
      37          95 : static int phar_set_writeable_bit(void *pDest, void *argument TSRMLS_DC) /* {{{ */
      38             : {
      39          95 :         zend_bool keep = *(zend_bool *)argument;
      40          95 :         phar_archive_data *phar = *(phar_archive_data **)pDest;
      41             : 
      42          95 :         if (!phar->is_data) {
      43          68 :                 phar->is_writeable = !keep;
      44             :         }
      45             : 
      46          95 :         return ZEND_HASH_APPLY_KEEP;
      47             : }
      48             : /* }}} */
      49             : 
      50             : /* if the original value is 0 (disabled), then allow setting/unsetting at will. Otherwise only allow 1 (enabled), and error on disabling */
      51       38779 : ZEND_INI_MH(phar_ini_modify_handler) /* {{{ */
      52             : {
      53             :         zend_bool old, ini;
      54             : 
      55       38779 :         if (entry->name_length == 14) {
      56       19423 :                 old = PHAR_G(readonly_orig);
      57             :         } else {
      58       19356 :                 old = PHAR_G(require_hash_orig);
      59             :         }
      60             : 
      61       38781 :         if (new_value_length == 2 && !strcasecmp("on", new_value)) {
      62           2 :                 ini = (zend_bool) 1;
      63             :         }
      64       38779 :         else if (new_value_length == 3 && !strcasecmp("yes", new_value)) {
      65           2 :                 ini = (zend_bool) 1;
      66             :         }
      67       38777 :         else if (new_value_length == 4 && !strcasecmp("true", new_value)) {
      68           2 :                 ini = (zend_bool) 1;
      69             :         }
      70             :         else {
      71       38773 :                 ini = (zend_bool) atoi(new_value);
      72             :         }
      73             : 
      74             :         /* do not allow unsetting in runtime */
      75       38779 :         if (stage == ZEND_INI_STAGE_STARTUP) {
      76       38682 :                 if (entry->name_length == 14) {
      77       19341 :                         PHAR_G(readonly_orig) = ini;
      78             :                 } else {
      79       19341 :                         PHAR_G(require_hash_orig) = ini;
      80             :                 }
      81          97 :         } else if (old && !ini) {
      82           2 :                 return FAILURE;
      83             :         }
      84             : 
      85       38777 :         if (entry->name_length == 14) {
      86       19422 :                 PHAR_G(readonly) = ini;
      87       19422 :                 if (PHAR_GLOBALS->request_init && PHAR_GLOBALS->phar_fname_map.arBuckets) {
      88          44 :                         zend_hash_apply_with_argument(&(PHAR_GLOBALS->phar_fname_map), phar_set_writeable_bit, (void *)&ini TSRMLS_CC);
      89             :                 }
      90             :         } else {
      91       19355 :                 PHAR_G(require_hash) = ini;
      92             :         }
      93             : 
      94       38777 :         return SUCCESS;
      95             : }
      96             : /* }}}*/
      97             : 
      98             : /* this global stores the global cached pre-parsed manifests */
      99             : HashTable cached_phars;
     100             : HashTable cached_alias;
     101             : 
     102       19341 : static void phar_split_cache_list(TSRMLS_D) /* {{{ */
     103             : {
     104             :         char *tmp;
     105             :         char *key, *lasts, *end;
     106             :         char ds[2];
     107             :         phar_archive_data *phar;
     108       19341 :         uint i = 0;
     109             : 
     110       19341 :         if (!PHAR_GLOBALS->cache_list || !(PHAR_GLOBALS->cache_list[0])) {
     111       19219 :                 return;
     112             :         }
     113             : 
     114         122 :         ds[0] = DEFAULT_DIR_SEPARATOR;
     115         122 :         ds[1] = '\0';
     116         122 :         tmp = estrdup(PHAR_GLOBALS->cache_list);
     117             : 
     118             :         /* fake request startup */
     119         122 :         PHAR_GLOBALS->request_init = 1;
     120         122 :         if (zend_hash_init(&EG(regular_list), 0, NULL, NULL, 0) == SUCCESS) {
     121         122 :                 EG(regular_list).nNextFreeElement=1;    /* we don't want resource id 0 */
     122             :         }
     123             : 
     124         122 :         PHAR_G(has_bz2) = zend_hash_exists(&module_registry, "bz2", sizeof("bz2"));
     125         122 :         PHAR_G(has_zlib) = zend_hash_exists(&module_registry, "zlib", sizeof("zlib"));
     126             :         /* these two are dummies and will be destroyed later */
     127         122 :         zend_hash_init(&cached_phars, sizeof(phar_archive_data*), zend_get_hash_value, destroy_phar_data,  1);
     128         122 :         zend_hash_init(&cached_alias, sizeof(phar_archive_data*), zend_get_hash_value, NULL, 1);
     129             :         /* these two are real and will be copied over cached_phars/cached_alias later */
     130         122 :         zend_hash_init(&(PHAR_GLOBALS->phar_fname_map), sizeof(phar_archive_data*), zend_get_hash_value, destroy_phar_data,  1);
     131         122 :         zend_hash_init(&(PHAR_GLOBALS->phar_alias_map), sizeof(phar_archive_data*), zend_get_hash_value, NULL, 1);
     132         122 :         PHAR_GLOBALS->manifest_cached = 1;
     133         122 :         PHAR_GLOBALS->persist = 1;
     134             : 
     135         247 :         for (key = php_strtok_r(tmp, ds, &lasts);
     136             :                         key;
     137           3 :                         key = php_strtok_r(NULL, ds, &lasts)) {
     138         122 :                 end = strchr(key, DEFAULT_DIR_SEPARATOR);
     139             : 
     140         122 :                 if (end) {
     141           0 :                         if (SUCCESS == phar_open_from_filename(key, end - key, NULL, 0, 0, &phar, NULL TSRMLS_CC)) {
     142             : finish_up:
     143           3 :                                 phar->phar_pos = i++;
     144           3 :                                 php_stream_close(phar->fp);
     145           3 :                                 phar->fp = NULL;
     146             :                         } else {
     147             : finish_error:
     148         119 :                                 PHAR_GLOBALS->persist = 0;
     149         119 :                                 PHAR_GLOBALS->manifest_cached = 0;
     150         119 :                                 efree(tmp);
     151         119 :                                 zend_hash_destroy(&(PHAR_G(phar_fname_map)));
     152         119 :                                 PHAR_GLOBALS->phar_fname_map.arBuckets = 0;
     153         119 :                                 zend_hash_destroy(&(PHAR_G(phar_alias_map)));
     154         119 :                                 PHAR_GLOBALS->phar_alias_map.arBuckets = 0;
     155         119 :                                 zend_hash_destroy(&cached_phars);
     156         119 :                                 zend_hash_destroy(&cached_alias);
     157         119 :                                 zend_hash_graceful_reverse_destroy(&EG(regular_list));
     158         119 :                                 memset(&EG(regular_list), 0, sizeof(HashTable));
     159             :                                 /* free cached manifests */
     160         119 :                                 PHAR_GLOBALS->request_init = 0;
     161         119 :                                 return;
     162             :                         }
     163             :                 } else {
     164         122 :                         if (SUCCESS == phar_open_from_filename(key, strlen(key), NULL, 0, 0, &phar, NULL TSRMLS_CC)) {
     165           3 :                                 goto finish_up;
     166             :                         } else {
     167         119 :                                 goto finish_error;
     168             :                         }
     169             :                 }
     170             :         }
     171             : 
     172           3 :         PHAR_GLOBALS->persist = 0;
     173           3 :         PHAR_GLOBALS->request_init = 0;
     174             :         /* destroy dummy values from before */
     175           3 :         zend_hash_destroy(&cached_phars);
     176           3 :         zend_hash_destroy(&cached_alias);
     177           3 :         cached_phars = PHAR_GLOBALS->phar_fname_map;
     178           3 :         cached_alias = PHAR_GLOBALS->phar_alias_map;
     179           3 :         PHAR_GLOBALS->phar_fname_map.arBuckets = 0;
     180           3 :         PHAR_GLOBALS->phar_alias_map.arBuckets = 0;
     181           3 :         zend_hash_graceful_reverse_destroy(&EG(regular_list));
     182           3 :         memset(&EG(regular_list), 0, sizeof(HashTable));
     183           3 :         efree(tmp);
     184             : }
     185             : /* }}} */
     186             : 
     187       19341 : ZEND_INI_MH(phar_ini_cache_list) /* {{{ */
     188             : {
     189       19341 :         PHAR_G(cache_list) = new_value;
     190             : 
     191       19341 :         if (stage == ZEND_INI_STAGE_STARTUP) {
     192       19341 :                 phar_split_cache_list(TSRMLS_C);
     193             :         }
     194             : 
     195       19341 :         return SUCCESS;
     196             : }
     197             : /* }}} */
     198             : 
     199             : PHP_INI_BEGIN()
     200             :         STD_PHP_INI_BOOLEAN( "phar.readonly", "1", PHP_INI_ALL, phar_ini_modify_handler, readonly, zend_phar_globals, phar_globals)
     201             :         STD_PHP_INI_BOOLEAN( "phar.require_hash", "1", PHP_INI_ALL, phar_ini_modify_handler, require_hash, zend_phar_globals, phar_globals)
     202             :         STD_PHP_INI_ENTRY("phar.cache_list", "", PHP_INI_SYSTEM, phar_ini_cache_list, cache_list, zend_phar_globals, phar_globals)
     203             : PHP_INI_END()
     204             : 
     205             : /**
     206             :  * When all uses of a phar have been concluded, this frees the manifest
     207             :  * and the phar slot
     208             :  */
     209         621 : void phar_destroy_phar_data(phar_archive_data *phar TSRMLS_DC) /* {{{ */
     210             : {
     211         621 :         if (phar->alias && phar->alias != phar->fname) {
     212         494 :                 pefree(phar->alias, phar->is_persistent);
     213         494 :                 phar->alias = NULL;
     214             :         }
     215             : 
     216         621 :         if (phar->fname) {
     217         551 :                 pefree(phar->fname, phar->is_persistent);
     218         551 :                 phar->fname = NULL;
     219             :         }
     220             : 
     221         621 :         if (phar->signature) {
     222         391 :                 pefree(phar->signature, phar->is_persistent);
     223         391 :                 phar->signature = NULL;
     224             :         }
     225             : 
     226         621 :         if (phar->manifest.arBuckets) {
     227         564 :                 zend_hash_destroy(&phar->manifest);
     228         564 :                 phar->manifest.arBuckets = NULL;
     229             :         }
     230             : 
     231         621 :         if (phar->mounted_dirs.arBuckets) {
     232         564 :                 zend_hash_destroy(&phar->mounted_dirs);
     233         564 :                 phar->mounted_dirs.arBuckets = NULL;
     234             :         }
     235             : 
     236         621 :         if (phar->virtual_dirs.arBuckets) {
     237         564 :                 zend_hash_destroy(&phar->virtual_dirs);
     238         564 :                 phar->virtual_dirs.arBuckets = NULL;
     239             :         }
     240             : 
     241         621 :         if (phar->metadata) {
     242          21 :                 if (phar->is_persistent) {
     243           3 :                         if (phar->metadata_len) {
     244             :                                 /* for zip comments that are strings */
     245           3 :                                 free(phar->metadata);
     246             :                         } else {
     247           0 :                                 zval_internal_ptr_dtor(&phar->metadata);
     248             :                         }
     249             :                 } else {
     250          18 :                         zval_ptr_dtor(&phar->metadata);
     251             :                 }
     252          21 :                 phar->metadata_len = 0;
     253          21 :                 phar->metadata = 0;
     254             :         }
     255             : 
     256         621 :         if (phar->fp) {
     257         116 :                 php_stream_close(phar->fp);
     258         116 :                 phar->fp = 0;
     259             :         }
     260             : 
     261         621 :         if (phar->ufp) {
     262          20 :                 php_stream_close(phar->ufp);
     263          20 :                 phar->ufp = 0;
     264             :         }
     265             : 
     266         621 :         pefree(phar, phar->is_persistent);
     267         621 : }
     268             : /* }}}*/
     269             : 
     270             : /**
     271             :  * Delete refcount and destruct if needed. On destruct return 1 else 0.
     272             :  */
     273        8487 : int phar_archive_delref(phar_archive_data *phar TSRMLS_DC) /* {{{ */
     274             : {
     275        8487 :         if (phar->is_persistent) {
     276           0 :                 return 0;
     277             :         }
     278             : 
     279        8487 :         if (--phar->refcount < 0) {
     280          25 :                 if (PHAR_GLOBALS->request_done
     281          25 :                 || zend_hash_del(&(PHAR_GLOBALS->phar_fname_map), phar->fname, phar->fname_len) != SUCCESS) {
     282           7 :                         phar_destroy_phar_data(phar TSRMLS_CC);
     283             :                 }
     284          16 :                 return 1;
     285        8471 :         } else if (!phar->refcount) {
     286             :                 /* invalidate phar cache */
     287         643 :                 PHAR_G(last_phar) = NULL;
     288         643 :                 PHAR_G(last_phar_name) = PHAR_G(last_alias) = NULL;
     289             : 
     290         643 :                 if (phar->fp && !(phar->flags & PHAR_FILE_COMPRESSION_MASK)) {
     291             :                         /* close open file handle - allows removal or rename of
     292             :                         the file on windows, which has greedy locking
     293             :                         only close if the archive was not already compressed.  If it
     294             :                         was compressed, then the fp does not refer to the original file */
     295         558 :                         php_stream_close(phar->fp);
     296         558 :                         phar->fp = NULL;
     297             :                 }
     298             : 
     299         643 :                 if (!zend_hash_num_elements(&phar->manifest)) {
     300             :                         /* this is a new phar that has perhaps had an alias/metadata set, but has never
     301             :                         been flushed */
     302          33 :                         if (zend_hash_del(&(PHAR_GLOBALS->phar_fname_map), phar->fname, phar->fname_len) != SUCCESS) {
     303           0 :                                 phar_destroy_phar_data(phar TSRMLS_CC);
     304             :                         }
     305          33 :                         return 1;
     306             :                 }
     307             :         }
     308        8438 :         return 0;
     309             : }
     310             : /* }}}*/
     311             : 
     312             : /**
     313             :  * Destroy phar's in shutdown, here we don't care about aliases
     314             :  */
     315         494 : static void destroy_phar_data_only(void *pDest) /* {{{ */
     316             : {
     317         494 :         phar_archive_data *phar_data = *(phar_archive_data **) pDest;
     318             :         TSRMLS_FETCH();
     319             : 
     320         494 :         if (EG(exception) || --phar_data->refcount < 0) {
     321         487 :                 phar_destroy_phar_data(phar_data TSRMLS_CC);
     322             :         }
     323         494 : }
     324             : /* }}}*/
     325             : 
     326             : /**
     327             :  * Delete aliases to phar's that got kicked out of the global table
     328             :  */
     329          19 : static int phar_unalias_apply(void *pDest, void *argument TSRMLS_DC) /* {{{ */
     330             : {
     331          19 :         return *(void**)pDest == argument ? ZEND_HASH_APPLY_REMOVE : ZEND_HASH_APPLY_KEEP;
     332             : }
     333             : /* }}} */
     334             : 
     335             : /**
     336             :  * Delete aliases to phar's that got kicked out of the global table
     337             :  */
     338        4838 : static int phar_tmpclose_apply(void *pDest TSRMLS_DC) /* {{{ */
     339             : {
     340        4838 :         phar_entry_info *entry = (phar_entry_info *) pDest;
     341             : 
     342        4838 :         if (entry->fp_type != PHAR_TMP) {
     343        4821 :                 return ZEND_HASH_APPLY_KEEP;
     344             :         }
     345             : 
     346          17 :         if (entry->fp && !entry->fp_refcount) {
     347           7 :                 php_stream_close(entry->fp);
     348           7 :                 entry->fp = NULL;
     349             :         }
     350             : 
     351          17 :         return ZEND_HASH_APPLY_KEEP;
     352             : }
     353             : /* }}} */
     354             : 
     355             : /**
     356             :  * Filename map destructor
     357             :  */
     358         546 : static void destroy_phar_data(void *pDest) /* {{{ */
     359             : {
     360         546 :         phar_archive_data *phar_data = *(phar_archive_data **) pDest;
     361             :         TSRMLS_FETCH();
     362             : 
     363         546 :         if (PHAR_GLOBALS->request_ends) {
     364             :                 /* first, iterate over the manifest and close all PHAR_TMP entry fp handles,
     365             :                 this prevents unnecessary unfreed stream resources */
     366         494 :                 zend_hash_apply(&(phar_data->manifest), phar_tmpclose_apply TSRMLS_CC);
     367         494 :                 destroy_phar_data_only(pDest);
     368         494 :                 return;
     369             :         }
     370             : 
     371          52 :         zend_hash_apply_with_argument(&(PHAR_GLOBALS->phar_alias_map), phar_unalias_apply, phar_data TSRMLS_CC);
     372             : 
     373          52 :         if (--phar_data->refcount < 0) {
     374          52 :                 phar_destroy_phar_data(phar_data TSRMLS_CC);
     375             :         }
     376             : }
     377             : /* }}}*/
     378             : 
     379             : /**
     380             :  * destructor for the manifest hash, frees each file's entry
     381             :  */
     382        5073 : void destroy_phar_manifest_entry(void *pDest) /* {{{ */
     383             : {
     384        5073 :         phar_entry_info *entry = (phar_entry_info *)pDest;
     385             :         TSRMLS_FETCH();
     386             : 
     387        5073 :         if (entry->cfp) {
     388           0 :                 php_stream_close(entry->cfp);
     389           0 :                 entry->cfp = 0;
     390             :         }
     391             : 
     392        5073 :         if (entry->fp) {
     393          14 :                 php_stream_close(entry->fp);
     394          14 :                 entry->fp = 0;
     395             :         }
     396             : 
     397        5073 :         if (entry->metadata) {
     398          55 :                 if (entry->is_persistent) {
     399           3 :                         if (entry->metadata_len) {
     400             :                                 /* for zip comments that are strings */
     401           3 :                                 free(entry->metadata);
     402             :                         } else {
     403           0 :                                 zval_internal_ptr_dtor(&entry->metadata);
     404             :                         }
     405             :                 } else {
     406          52 :                         zval_ptr_dtor(&entry->metadata);
     407             :                 }
     408          55 :                 entry->metadata_len = 0;
     409          55 :                 entry->metadata = 0;
     410             :         }
     411             : 
     412        5073 :         if (entry->metadata_str.c) {
     413          29 :                 smart_str_free(&entry->metadata_str);
     414          29 :                 entry->metadata_str.c = 0;
     415             :         }
     416             : 
     417        5073 :         pefree(entry->filename, entry->is_persistent);
     418             : 
     419        5073 :         if (entry->link) {
     420          10 :                 pefree(entry->link, entry->is_persistent);
     421          10 :                 entry->link = 0;
     422             :         }
     423             : 
     424        5073 :         if (entry->tmp) {
     425          17 :                 pefree(entry->tmp, entry->is_persistent);
     426          17 :                 entry->tmp = 0;
     427             :         }
     428        5073 : }
     429             : /* }}} */
     430             : 
     431        8048 : int phar_entry_delref(phar_entry_data *idata TSRMLS_DC) /* {{{ */
     432             : {
     433        8048 :         int ret = 0;
     434             : 
     435        8048 :         if (idata->internal_file && !idata->internal_file->is_persistent) {
     436        8048 :                 if (--idata->internal_file->fp_refcount < 0) {
     437           0 :                         idata->internal_file->fp_refcount = 0;
     438             :                 }
     439             : 
     440        8048 :                 if (idata->fp && idata->fp != idata->phar->fp && idata->fp != idata->phar->ufp && idata->fp != idata->internal_file->fp) {
     441          49 :                         php_stream_close(idata->fp);
     442             :                 }
     443             :                 /* if phar_get_or_create_entry_data returns a sub-directory, we have to free it */
     444        8048 :                 if (idata->internal_file->is_temp_dir) {
     445           2 :                         destroy_phar_manifest_entry((void *)idata->internal_file);
     446           2 :                         efree(idata->internal_file);
     447             :                 }
     448             :         }
     449             : 
     450        8048 :         phar_archive_delref(idata->phar TSRMLS_CC);
     451        8048 :         efree(idata);
     452        8048 :         return ret;
     453             : }
     454             : /* }}} */
     455             : 
     456             : /**
     457             :  * Removes an entry, either by actually removing it or by marking it.
     458             :  */
     459           9 : void phar_entry_remove(phar_entry_data *idata, char **error TSRMLS_DC) /* {{{ */
     460             : {
     461             :         phar_archive_data *phar;
     462             : 
     463           9 :         phar = idata->phar;
     464             : 
     465           9 :         if (idata->internal_file->fp_refcount < 2) {
     466           9 :                 if (idata->fp && idata->fp != idata->phar->fp && idata->fp != idata->phar->ufp && idata->fp != idata->internal_file->fp) {
     467           0 :                         php_stream_close(idata->fp);
     468             :                 }
     469           9 :                 zend_hash_del(&idata->phar->manifest, idata->internal_file->filename, idata->internal_file->filename_len);
     470           9 :                 idata->phar->refcount--;
     471           9 :                 efree(idata);
     472             :         } else {
     473           0 :                 idata->internal_file->is_deleted = 1;
     474           0 :                 phar_entry_delref(idata TSRMLS_CC);
     475             :         }
     476             : 
     477           9 :         if (!phar->donotflush) {
     478           9 :                 phar_flush(phar, 0, 0, 0, error TSRMLS_CC);
     479             :         }
     480           9 : }
     481             : /* }}} */
     482             : 
     483             : #define MAPPHAR_ALLOC_FAIL(msg) \
     484             :         if (fp) {\
     485             :                 php_stream_close(fp);\
     486             :         }\
     487             :         if (error) {\
     488             :                 spprintf(error, 0, msg, fname);\
     489             :         }\
     490             :         return FAILURE;
     491             : 
     492             : #define MAPPHAR_FAIL(msg) \
     493             :         efree(savebuf);\
     494             :         if (mydata) {\
     495             :                 phar_destroy_phar_data(mydata TSRMLS_CC);\
     496             :         }\
     497             :         if (signature) {\
     498             :                 pefree(signature, PHAR_G(persist));\
     499             :         }\
     500             :         MAPPHAR_ALLOC_FAIL(msg)
     501             : 
     502             : #ifdef WORDS_BIGENDIAN
     503             : # define PHAR_GET_32(buffer, var) \
     504             :         var = ((((unsigned char*)(buffer))[3]) << 24) \
     505             :                 | ((((unsigned char*)(buffer))[2]) << 16) \
     506             :                 | ((((unsigned char*)(buffer))[1]) <<  8) \
     507             :                 | (((unsigned char*)(buffer))[0]); \
     508             :         (buffer) += 4
     509             : # define PHAR_GET_16(buffer, var) \
     510             :         var = ((((unsigned char*)(buffer))[1]) <<  8) \
     511             :                 | (((unsigned char*)(buffer))[0]); \
     512             :         (buffer) += 2
     513             : #else
     514             : # define PHAR_GET_32(buffer, var) \
     515             :         memcpy(&var, buffer, sizeof(var)); \
     516             :         buffer += 4
     517             : # define PHAR_GET_16(buffer, var) \
     518             :         var = *(php_uint16*)(buffer); \
     519             :         buffer += 2
     520             : #endif
     521             : #define PHAR_ZIP_16(var) ((php_uint16)((((php_uint16)var[0]) & 0xff) | \
     522             :         (((php_uint16)var[1]) & 0xff) << 8))
     523             : #define PHAR_ZIP_32(var) ((php_uint32)((((php_uint32)var[0]) & 0xff) | \
     524             :         (((php_uint32)var[1]) & 0xff) << 8 | \
     525             :         (((php_uint32)var[2]) & 0xff) << 16 | \
     526             :         (((php_uint32)var[3]) & 0xff) << 24))
     527             : 
     528             : /**
     529             :  * Open an already loaded phar
     530             :  */
     531        2858 : int phar_open_parsed_phar(char *fname, int fname_len, char *alias, int alias_len, int is_data, int options, phar_archive_data** pphar, char **error TSRMLS_DC) /* {{{ */
     532             : {
     533             :         phar_archive_data *phar;
     534             : #ifdef PHP_WIN32
     535             :         char *unixfname;
     536             : #endif
     537             : 
     538        2858 :         if (error) {
     539        2424 :                 *error = NULL;
     540             :         }
     541             : #ifdef PHP_WIN32
     542             :         unixfname = estrndup(fname, fname_len);
     543             :         phar_unixify_path_separators(unixfname, fname_len);
     544             : 
     545             :         if (SUCCESS == phar_get_archive(&phar, unixfname, fname_len, alias, alias_len, error TSRMLS_CC)
     546             :                 && ((alias && fname_len == phar->fname_len
     547             :                 && !strncmp(unixfname, phar->fname, fname_len)) || !alias)
     548             :         ) {
     549             :                 phar_entry_info *stub;
     550             :                 efree(unixfname);
     551             : #else
     552        2942 :         if (SUCCESS == phar_get_archive(&phar, fname, fname_len, alias, alias_len, error TSRMLS_CC)
     553        2900 :                 && ((alias && fname_len == phar->fname_len
     554          84 :                 && !strncmp(fname, phar->fname, fname_len)) || !alias)
     555             :         ) {
     556             :                 phar_entry_info *stub;
     557             : #endif
     558             :                 /* logic above is as follows:
     559             :                    If an explicit alias was requested, ensure the filename passed in
     560             :                    matches the phar's filename.
     561             :                    If no alias was passed in, then it can match either and be valid
     562             :                  */
     563             : 
     564        2098 :                 if (!is_data) {
     565             :                         /* prevent any ".phar" without a stub getting through */
     566        1721 :                         if (!phar->halt_offset && !phar->is_brandnew && (phar->is_tar || phar->is_zip)) {
     567         595 :                                 if (PHAR_G(readonly) && FAILURE == zend_hash_find(&(phar->manifest), ".phar/stub.php", sizeof(".phar/stub.php")-1, (void **)&stub)) {
     568           2 :                                         if (error) {
     569           2 :                                                 spprintf(error, 0, "'%s' is not a phar archive. Use PharData::__construct() for a standard zip or tar archive", fname);
     570             :                                         }
     571           2 :                                         return FAILURE;
     572             :                                 }
     573             :                         }
     574             :                 }
     575             : 
     576        2096 :                 if (pphar) {
     577         667 :                         *pphar = phar;
     578             :                 }
     579             : 
     580        2096 :                 return SUCCESS;
     581             :         } else {
     582             : #ifdef PHP_WIN32
     583             :                 efree(unixfname);
     584             : #endif
     585         760 :                 if (pphar) {
     586         633 :                         *pphar = NULL;
     587             :                 }
     588             : 
     589         760 :                 if (phar && error && !(options & REPORT_ERRORS)) {
     590           0 :                         efree(error);
     591             :                 }
     592             : 
     593         760 :                 return FAILURE;
     594             :         }
     595             : }
     596             : /* }}}*/
     597             : 
     598             : /**
     599             :  * Parse out metadata from the manifest for a single file
     600             :  *
     601             :  * Meta-data is in this format:
     602             :  * [len32][data...]
     603             :  * 
     604             :  * data is the serialized zval
     605             :  */
     606        1013 : int phar_parse_metadata(char **buffer, zval **metadata, int zip_metadata_len TSRMLS_DC) /* {{{ */
     607             : {
     608             :         const unsigned char *p;
     609             :         php_uint32 buf_len;
     610             :         php_unserialize_data_t var_hash;
     611             : 
     612        1013 :         if (!zip_metadata_len) {
     613         980 :                 PHAR_GET_32(*buffer, buf_len);
     614             :         } else {
     615          33 :                 buf_len = zip_metadata_len;
     616             :         }
     617             : 
     618        1013 :         if (buf_len) {
     619         110 :                 ALLOC_ZVAL(*metadata);
     620         110 :                 INIT_ZVAL(**metadata);
     621         110 :                 p = (const unsigned char*) *buffer;
     622         110 :                 PHP_VAR_UNSERIALIZE_INIT(var_hash);
     623             : 
     624         110 :                 if (!php_var_unserialize(metadata, &p, p + buf_len, &var_hash TSRMLS_CC)) {
     625          63 :                         PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
     626          63 :                         zval_ptr_dtor(metadata);
     627          63 :                         *metadata = NULL;
     628          63 :                         return FAILURE;
     629             :                 }
     630             : 
     631          47 :                 PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
     632             : 
     633          47 :                 if (PHAR_G(persist)) {
     634             :                         /* lazy init metadata */
     635           6 :                         zval_ptr_dtor(metadata);
     636           6 :                         *metadata = (zval *) pemalloc(buf_len, 1);
     637           6 :                         memcpy(*metadata, *buffer, buf_len);
     638           6 :                         *buffer += buf_len;
     639           6 :                         return SUCCESS;
     640             :                 }
     641             :         } else {
     642         903 :                 *metadata = NULL;
     643             :         }
     644             : 
     645         944 :         if (!zip_metadata_len) {
     646         923 :                 *buffer += buf_len;
     647             :         }
     648             : 
     649         944 :         return SUCCESS;
     650             : }
     651             : /* }}}*/
     652             : 
     653             : /**
     654             :  * Does not check for a previously opened phar in the cache.
     655             :  *
     656             :  * Parse a new one and add it to the cache, returning either SUCCESS or
     657             :  * FAILURE, and setting pphar to the pointer to the manifest entry
     658             :  * 
     659             :  * This is used by phar_open_from_filename to process the manifest, but can be called
     660             :  * directly.
     661             :  */
     662         284 : static int phar_parse_pharfile(php_stream *fp, char *fname, int fname_len, char *alias, int alias_len, long halt_offset, phar_archive_data** pphar, php_uint32 compression, char **error TSRMLS_DC) /* {{{ */
     663             : {
     664             :         char b32[4], *buffer, *endbuffer, *savebuf;
     665         284 :         phar_archive_data *mydata = NULL;
     666             :         phar_entry_info entry;
     667             :         php_uint32 manifest_len, manifest_count, manifest_flags, manifest_index, tmp_len, sig_flags;
     668             :         php_uint16 manifest_ver;
     669             :         long offset;
     670         284 :         int sig_len, register_alias = 0, temp_alias = 0;
     671         284 :         char *signature = NULL;
     672             : 
     673         284 :         if (pphar) {
     674         172 :                 *pphar = NULL;
     675             :         }
     676             : 
     677         284 :         if (error) {
     678         181 :                 *error = NULL;
     679             :         }
     680             : 
     681             :         /* check for ?>\n and increment accordingly */
     682         284 :         if (-1 == php_stream_seek(fp, halt_offset, SEEK_SET)) {
     683           0 :                 MAPPHAR_ALLOC_FAIL("cannot seek to __HALT_COMPILER(); location in phar \"%s\"")
     684             :         }
     685             : 
     686         284 :         buffer = b32;
     687             : 
     688         284 :         if (3 != php_stream_read(fp, buffer, 3)) {
     689           3 :                 MAPPHAR_ALLOC_FAIL("internal corruption of phar \"%s\" (truncated manifest at stub end)")
     690             :         }
     691             : 
     692         281 :         if ((*buffer == ' ' || *buffer == '\n') && *(buffer + 1) == '?' && *(buffer + 2) == '>') {
     693             :                 int nextchar;
     694         277 :                 halt_offset += 3;
     695         277 :                 if (EOF == (nextchar = php_stream_getc(fp))) {
     696           0 :                         MAPPHAR_ALLOC_FAIL("internal corruption of phar \"%s\" (truncated manifest at stub end)")
     697             :                 }
     698             : 
     699         277 :                 if ((char) nextchar == '\r') {
     700             :                         /* if we have an \r we require an \n as well */
     701         156 :                         if (EOF == (nextchar = php_stream_getc(fp)) || (char)nextchar != '\n') {
     702           0 :                                 MAPPHAR_ALLOC_FAIL("internal corruption of phar \"%s\" (truncated manifest at stub end)")
     703             :                         }
     704         156 :                         ++halt_offset;
     705             :                 }
     706             : 
     707         277 :                 if ((char) nextchar == '\n') {
     708         159 :                         ++halt_offset;
     709             :                 }
     710             :         }
     711             : 
     712             :         /* make sure we are at the right location to read the manifest */
     713         281 :         if (-1 == php_stream_seek(fp, halt_offset, SEEK_SET)) {
     714           0 :                 MAPPHAR_ALLOC_FAIL("cannot seek to __HALT_COMPILER(); location in phar \"%s\"")
     715             :         }
     716             : 
     717             :         /* read in manifest */
     718         281 :         buffer = b32;
     719             : 
     720         281 :         if (4 != php_stream_read(fp, buffer, 4)) {
     721           4 :                 MAPPHAR_ALLOC_FAIL("internal corruption of phar \"%s\" (truncated manifest at manifest length)")
     722             :         }
     723             : 
     724         277 :         PHAR_GET_32(buffer, manifest_len);
     725             : 
     726         277 :         if (manifest_len > 1048576 * 100) {
     727             :                 /* prevent serious memory issues by limiting manifest to at most 100 MB in length */
     728           1 :                 MAPPHAR_ALLOC_FAIL("manifest cannot be larger than 100 MB in phar \"%s\"")
     729             :         }
     730             : 
     731         276 :         buffer = (char *)emalloc(manifest_len);
     732         276 :         savebuf = buffer;
     733         276 :         endbuffer = buffer + manifest_len;
     734             : 
     735         276 :         if (manifest_len < 10 || manifest_len != php_stream_read(fp, buffer, manifest_len)) {
     736           2 :                 MAPPHAR_FAIL("internal corruption of phar \"%s\" (truncated manifest header)")
     737             :         }
     738             : 
     739             :         /* extract the number of entries */
     740         274 :         PHAR_GET_32(buffer, manifest_count);
     741             : 
     742         274 :         if (manifest_count == 0) {
     743           0 :                 MAPPHAR_FAIL("in phar \"%s\", manifest claims to have zero entries.  Phars must have at least 1 entry");
     744             :         }
     745             : 
     746             :         /* extract API version, lowest nibble currently unused */
     747         548 :         manifest_ver = (((unsigned char)buffer[0]) << 8)
     748         274 :                                  + ((unsigned char)buffer[1]);
     749         274 :         buffer += 2;
     750             : 
     751         274 :         if ((manifest_ver & PHAR_API_VER_MASK) < PHAR_API_MIN_READ) {
     752           0 :                 efree(savebuf);
     753           0 :                 php_stream_close(fp);
     754           0 :                 if (error) {
     755           0 :                         spprintf(error, 0, "phar \"%s\" is API version %1.u.%1.u.%1.u, and cannot be processed", fname, manifest_ver >> 12, (manifest_ver >> 8) & 0xF, (manifest_ver >> 4) & 0x0F);
     756             :                 }
     757           0 :                 return FAILURE;
     758             :         }
     759             : 
     760         274 :         PHAR_GET_32(buffer, manifest_flags);
     761             : 
     762         274 :         manifest_flags &= ~PHAR_HDR_COMPRESSION_MASK;
     763         274 :         manifest_flags &= ~PHAR_FILE_COMPRESSION_MASK;
     764             :         /* remember whether this entire phar was compressed with gz/bzip2 */
     765         274 :         manifest_flags |= compression;
     766             : 
     767             :         /* The lowest nibble contains the phar wide flags. The compression flags can */
     768             :         /* be ignored on reading because it is being generated anyways. */
     769         274 :         if (manifest_flags & PHAR_HDR_SIGNATURE) {
     770         177 :                 char sig_buf[8], *sig_ptr = sig_buf;
     771             :                 off_t read_len;
     772             :                 size_t end_of_phar;
     773             : 
     774         708 :                 if (-1 == php_stream_seek(fp, -8, SEEK_END)
     775         354 :                 || (read_len = php_stream_tell(fp)) < 20
     776             :                 || 8 != php_stream_read(fp, sig_buf, 8)
     777         354 :                 || memcmp(sig_buf+4, "GBMB", 4)) {
     778           0 :                         efree(savebuf);
     779           0 :                         php_stream_close(fp);
     780           0 :                         if (error) {
     781           0 :                                 spprintf(error, 0, "phar \"%s\" has a broken signature", fname);
     782             :                         }
     783           0 :                         return FAILURE;
     784             :                 }
     785             : 
     786         177 :                 PHAR_GET_32(sig_ptr, sig_flags);
     787             : 
     788         177 :                 switch(sig_flags) {
     789             :                         case PHAR_SIG_OPENSSL: {
     790             :                                 php_uint32 signature_len;
     791             :                                 char *sig;
     792             :                                 off_t whence;
     793             : 
     794             :                                 /* we store the signature followed by the signature length */
     795           2 :                                 if (-1 == php_stream_seek(fp, -12, SEEK_CUR)
     796           2 :                                 || 4 != php_stream_read(fp, sig_buf, 4)) {
     797           0 :                                         efree(savebuf);
     798           0 :                                         php_stream_close(fp);
     799           0 :                                         if (error) {
     800           0 :                                                 spprintf(error, 0, "phar \"%s\" openssl signature length could not be read", fname);
     801             :                                         }
     802           0 :                                         return FAILURE;
     803             :                                 }
     804             : 
     805           1 :                                 sig_ptr = sig_buf;
     806           1 :                                 PHAR_GET_32(sig_ptr, signature_len);
     807           1 :                                 sig = (char *) emalloc(signature_len);
     808           1 :                                 whence = signature_len + 4;
     809           1 :                                 whence = -whence;
     810             : 
     811           3 :                                 if (-1 == php_stream_seek(fp, whence, SEEK_CUR)
     812           2 :                                 || !(end_of_phar = php_stream_tell(fp))
     813           1 :                                 || signature_len != php_stream_read(fp, sig, signature_len)) {
     814           0 :                                         efree(savebuf);
     815           0 :                                         efree(sig);
     816           0 :                                         php_stream_close(fp);
     817           0 :                                         if (error) {
     818           0 :                                                 spprintf(error, 0, "phar \"%s\" openssl signature could not be read", fname);
     819             :                                         }
     820           0 :                                         return FAILURE;
     821             :                                 }
     822             : 
     823           1 :                                 if (FAILURE == phar_verify_signature(fp, end_of_phar, PHAR_SIG_OPENSSL, sig, signature_len, fname, &signature, &sig_len, error TSRMLS_CC)) {
     824           0 :                                         efree(savebuf);
     825           0 :                                         efree(sig);
     826           0 :                                         php_stream_close(fp);
     827           0 :                                         if (error) {
     828           0 :                                                 char *save = *error;
     829           0 :                                                 spprintf(error, 0, "phar \"%s\" openssl signature could not be verified: %s", fname, *error);
     830           0 :                                                 efree(save);
     831             :                                         }
     832           0 :                                         return FAILURE;
     833             :                                 }
     834           1 :                                 efree(sig);
     835             :                         }
     836           1 :                         break;
     837             : #if PHAR_HASH_OK
     838             :                         case PHAR_SIG_SHA512: {
     839             :                                 unsigned char digest[64];
     840             : 
     841           1 :                                 php_stream_seek(fp, -(8 + 64), SEEK_END);
     842           1 :                                 read_len = php_stream_tell(fp);
     843             : 
     844           1 :                                 if (php_stream_read(fp, (char*)digest, sizeof(digest)) != sizeof(digest)) {
     845           0 :                                         efree(savebuf);
     846           0 :                                         php_stream_close(fp);
     847           0 :                                         if (error) {
     848           0 :                                                 spprintf(error, 0, "phar \"%s\" has a broken signature", fname);
     849             :                                         }
     850           0 :                                         return FAILURE;
     851             :                                 }
     852             : 
     853           1 :                                 if (FAILURE == phar_verify_signature(fp, read_len, PHAR_SIG_SHA512, (char *)digest, 64, fname, &signature, &sig_len, error TSRMLS_CC)) {
     854           0 :                                         efree(savebuf);
     855           0 :                                         php_stream_close(fp);
     856           0 :                                         if (error) {
     857           0 :                                                 char *save = *error;
     858           0 :                                                 spprintf(error, 0, "phar \"%s\" SHA512 signature could not be verified: %s", fname, *error);
     859           0 :                                                 efree(save);
     860             :                                         }
     861           0 :                                         return FAILURE;
     862             :                                 }
     863           1 :                                 break;
     864             :                         }
     865             :                         case PHAR_SIG_SHA256: {
     866             :                                 unsigned char digest[32];
     867             : 
     868           1 :                                 php_stream_seek(fp, -(8 + 32), SEEK_END);
     869           1 :                                 read_len = php_stream_tell(fp);
     870             : 
     871           1 :                                 if (php_stream_read(fp, (char*)digest, sizeof(digest)) != sizeof(digest)) {
     872           0 :                                         efree(savebuf);
     873           0 :                                         php_stream_close(fp);
     874           0 :                                         if (error) {
     875           0 :                                                 spprintf(error, 0, "phar \"%s\" has a broken signature", fname);
     876             :                                         }
     877           0 :                                         return FAILURE;
     878             :                                 }
     879             : 
     880           1 :                                 if (FAILURE == phar_verify_signature(fp, read_len, PHAR_SIG_SHA256, (char *)digest, 32, fname, &signature, &sig_len, error TSRMLS_CC)) {
     881           0 :                                         efree(savebuf);
     882           0 :                                         php_stream_close(fp);
     883           0 :                                         if (error) {
     884           0 :                                                 char *save = *error;
     885           0 :                                                 spprintf(error, 0, "phar \"%s\" SHA256 signature could not be verified: %s", fname, *error);
     886           0 :                                                 efree(save);
     887             :                                         }
     888           0 :                                         return FAILURE;
     889             :                                 }
     890           1 :                                 break;
     891             :                         }
     892             : #else
     893             :                         case PHAR_SIG_SHA512:
     894             :                         case PHAR_SIG_SHA256:
     895             :                                 efree(savebuf);
     896             :                                 php_stream_close(fp);
     897             : 
     898             :                                 if (error) {
     899             :                                         spprintf(error, 0, "phar \"%s\" has a unsupported signature", fname);
     900             :                                 }
     901             :                                 return FAILURE;
     902             : #endif
     903             :                         case PHAR_SIG_SHA1: {
     904             :                                 unsigned char digest[20];
     905             : 
     906         173 :                                 php_stream_seek(fp, -(8 + 20), SEEK_END);
     907         173 :                                 read_len = php_stream_tell(fp);
     908             : 
     909         173 :                                 if (php_stream_read(fp, (char*)digest, sizeof(digest)) != sizeof(digest)) {
     910           0 :                                         efree(savebuf);
     911           0 :                                         php_stream_close(fp);
     912           0 :                                         if (error) {
     913           0 :                                                 spprintf(error, 0, "phar \"%s\" has a broken signature", fname);
     914             :                                         }
     915           0 :                                         return FAILURE;
     916             :                                 }
     917             : 
     918         173 :                                 if (FAILURE == phar_verify_signature(fp, read_len, PHAR_SIG_SHA1, (char *)digest, 20, fname, &signature, &sig_len, error TSRMLS_CC)) {
     919           0 :                                         efree(savebuf);
     920           0 :                                         php_stream_close(fp);
     921           0 :                                         if (error) {
     922           0 :                                                 char *save = *error;
     923           0 :                                                 spprintf(error, 0, "phar \"%s\" SHA1 signature could not be verified: %s", fname, *error);
     924           0 :                                                 efree(save);
     925             :                                         }
     926           0 :                                         return FAILURE;
     927             :                                 }
     928         173 :                                 break;
     929             :                         }
     930             :                         case PHAR_SIG_MD5: {
     931             :                                 unsigned char digest[16];
     932             : 
     933           1 :                                 php_stream_seek(fp, -(8 + 16), SEEK_END);
     934           1 :                                 read_len = php_stream_tell(fp);
     935             : 
     936           1 :                                 if (php_stream_read(fp, (char*)digest, sizeof(digest)) != sizeof(digest)) {
     937           0 :                                         efree(savebuf);
     938           0 :                                         php_stream_close(fp);
     939           0 :                                         if (error) {
     940           0 :                                                 spprintf(error, 0, "phar \"%s\" has a broken signature", fname);
     941             :                                         }
     942           0 :                                         return FAILURE;
     943             :                                 }
     944             : 
     945           1 :                                 if (FAILURE == phar_verify_signature(fp, read_len, PHAR_SIG_MD5, (char *)digest, 16, fname, &signature, &sig_len, error TSRMLS_CC)) {
     946           0 :                                         efree(savebuf);
     947           0 :                                         php_stream_close(fp);
     948           0 :                                         if (error) {
     949           0 :                                                 char *save = *error;
     950           0 :                                                 spprintf(error, 0, "phar \"%s\" MD5 signature could not be verified: %s", fname, *error);
     951           0 :                                                 efree(save);
     952             :                                         }
     953           0 :                                         return FAILURE;
     954             :                                 }
     955           1 :                                 break;
     956             :                         }
     957             :                         default:
     958           0 :                                 efree(savebuf);
     959           0 :                                 php_stream_close(fp);
     960             : 
     961           0 :                                 if (error) {
     962           0 :                                         spprintf(error, 0, "phar \"%s\" has a broken or unsupported signature", fname);
     963             :                                 }
     964           0 :                                 return FAILURE;
     965             :                 }
     966          97 :         } else if (PHAR_G(require_hash)) {
     967           1 :                 efree(savebuf);
     968           1 :                 php_stream_close(fp);
     969             : 
     970           1 :                 if (error) {
     971           1 :                         spprintf(error, 0, "phar \"%s\" does not have a signature", fname);
     972             :                 }
     973           1 :                 return FAILURE;
     974             :         } else {
     975          96 :                 sig_flags = 0;
     976          96 :                 sig_len = 0;
     977             :         }
     978             : 
     979             :         /* extract alias */
     980         273 :         PHAR_GET_32(buffer, tmp_len);
     981             : 
     982         273 :         if (buffer + tmp_len > endbuffer) {
     983           0 :                 MAPPHAR_FAIL("internal corruption of phar \"%s\" (buffer overrun)");
     984             :         }
     985             : 
     986         273 :         if (manifest_len < 10 + tmp_len) {
     987           0 :                 MAPPHAR_FAIL("internal corruption of phar \"%s\" (truncated manifest header)")
     988             :         }
     989             : 
     990             :         /* tmp_len = 0 says alias length is 0, which means the alias is not stored in the phar */
     991         273 :         if (tmp_len) {
     992             :                 /* if the alias is stored we enforce it (implicit overrides explicit) */
     993         102 :                 if (alias && alias_len && (alias_len != (int)tmp_len || strncmp(alias, buffer, tmp_len)))
     994             :                 {
     995           0 :                         buffer[tmp_len] = '\0';
     996           0 :                         php_stream_close(fp);
     997             : 
     998           0 :                         if (signature) {
     999           0 :                                 efree(signature);
    1000             :                         }
    1001             : 
    1002           0 :                         if (error) {
    1003           0 :                                 spprintf(error, 0, "cannot load phar \"%s\" with implicit alias \"%s\" under different alias \"%s\"", fname, buffer, alias);
    1004             :                         }
    1005             : 
    1006           0 :                         efree(savebuf);
    1007           0 :                         return FAILURE;
    1008             :                 }
    1009             : 
    1010         102 :                 alias_len = tmp_len;
    1011         102 :                 alias = buffer;
    1012         102 :                 buffer += tmp_len;
    1013         102 :                 register_alias = 1;
    1014         293 :         } else if (!alias_len || !alias) {
    1015             :                 /* if we neither have an explicit nor an implicit alias, we use the filename */
    1016         122 :                 alias = NULL;
    1017         122 :                 alias_len = 0;
    1018         122 :                 register_alias = 0;
    1019          49 :         } else if (alias_len) {
    1020          49 :                 register_alias = 1;
    1021          49 :                 temp_alias = 1;
    1022             :         }
    1023             : 
    1024             :         /* we have 5 32-bit items plus 1 byte at least */
    1025         273 :         if (manifest_count > ((manifest_len - 10 - tmp_len) / (5 * 4 + 1))) {
    1026             :                 /* prevent serious memory issues */
    1027           4 :                 MAPPHAR_FAIL("internal corruption of phar \"%s\" (too many manifest entries for size of manifest)")
    1028             :         }
    1029             : 
    1030         269 :         mydata = pecalloc(1, sizeof(phar_archive_data), PHAR_G(persist));
    1031         269 :         mydata->is_persistent = PHAR_G(persist);
    1032             : 
    1033             :         /* check whether we have meta data, zero check works regardless of byte order */
    1034         269 :         if (mydata->is_persistent) {
    1035          60 :                 PHAR_GET_32(buffer, mydata->metadata_len);
    1036          60 :                 if (phar_parse_metadata(&buffer, &mydata->metadata, mydata->metadata_len TSRMLS_CC) == FAILURE) {
    1037          57 :                         MAPPHAR_FAIL("unable to read phar metadata in .phar file \"%s\"");
    1038             :                 }
    1039             :         } else {
    1040         209 :                 if (phar_parse_metadata(&buffer, &mydata->metadata, 0 TSRMLS_CC) == FAILURE) {
    1041           0 :                         MAPPHAR_FAIL("unable to read phar metadata in .phar file \"%s\"");
    1042             :                 }
    1043             :         }
    1044             : 
    1045             :         /* set up our manifest */
    1046         212 :         zend_hash_init(&mydata->manifest, manifest_count,
    1047             :                 zend_get_hash_value, destroy_phar_manifest_entry, (zend_bool)mydata->is_persistent);
    1048         212 :         zend_hash_init(&mydata->mounted_dirs, 5,
    1049             :                 zend_get_hash_value, NULL, (zend_bool)mydata->is_persistent);
    1050         212 :         zend_hash_init(&mydata->virtual_dirs, manifest_count * 2,
    1051             :                 zend_get_hash_value, NULL, (zend_bool)mydata->is_persistent);
    1052         212 :         mydata->fname = pestrndup(fname, fname_len, mydata->is_persistent);
    1053             : #ifdef PHP_WIN32
    1054             :         phar_unixify_path_separators(mydata->fname, fname_len);
    1055             : #endif
    1056         212 :         mydata->fname_len = fname_len;
    1057         212 :         offset = halt_offset + manifest_len + 4;
    1058         212 :         memset(&entry, 0, sizeof(phar_entry_info));
    1059         212 :         entry.phar = mydata;
    1060         212 :         entry.fp_type = PHAR_FP;
    1061         212 :         entry.is_persistent = mydata->is_persistent;
    1062             : 
    1063         927 :         for (manifest_index = 0; manifest_index < manifest_count; ++manifest_index) {
    1064         717 :                 if (buffer + 4 > endbuffer) {
    1065           0 :                         MAPPHAR_FAIL("internal corruption of phar \"%s\" (truncated manifest entry)")
    1066             :                 }
    1067             : 
    1068         717 :                 PHAR_GET_32(buffer, entry.filename_len);
    1069             : 
    1070         717 :                 if (entry.filename_len == 0) {
    1071           0 :                         MAPPHAR_FAIL("zero-length filename encountered in phar \"%s\"");
    1072             :                 }
    1073             : 
    1074         717 :                 if (entry.is_persistent) {
    1075           4 :                         entry.manifest_pos = manifest_index;
    1076             :                 }
    1077             : 
    1078         717 :                 if (buffer + entry.filename_len + 20 > endbuffer) {
    1079           0 :                         MAPPHAR_FAIL("internal corruption of phar \"%s\" (truncated manifest entry)");
    1080             :                 }
    1081             : 
    1082         724 :                 if ((manifest_ver & PHAR_API_VER_MASK) >= PHAR_API_MIN_DIR && buffer[entry.filename_len - 1] == '/') {
    1083           7 :                         entry.is_dir = 1;
    1084             :                 } else {
    1085         710 :                         entry.is_dir = 0;
    1086             :                 }
    1087             : 
    1088         717 :                 phar_add_virtual_dirs(mydata, buffer, entry.filename_len TSRMLS_CC);
    1089         717 :                 entry.filename = pestrndup(buffer, entry.filename_len, entry.is_persistent);
    1090         717 :                 buffer += entry.filename_len;
    1091         717 :                 PHAR_GET_32(buffer, entry.uncompressed_filesize);
    1092         717 :                 PHAR_GET_32(buffer, entry.timestamp);
    1093             : 
    1094         717 :                 if (offset == halt_offset + (int)manifest_len + 4) {
    1095         212 :                         mydata->min_timestamp = entry.timestamp;
    1096         212 :                         mydata->max_timestamp = entry.timestamp;
    1097             :                 } else {
    1098         505 :                         if (mydata->min_timestamp > entry.timestamp) {
    1099           0 :                                 mydata->min_timestamp = entry.timestamp;
    1100         505 :                         } else if (mydata->max_timestamp < entry.timestamp) {
    1101           0 :                                 mydata->max_timestamp = entry.timestamp;
    1102             :                         }
    1103             :                 }
    1104             : 
    1105         717 :                 PHAR_GET_32(buffer, entry.compressed_filesize);
    1106         717 :                 PHAR_GET_32(buffer, entry.crc32);
    1107         717 :                 PHAR_GET_32(buffer, entry.flags);
    1108             : 
    1109         717 :                 if (entry.is_dir) {
    1110           7 :                         entry.filename_len--;
    1111           7 :                         entry.flags |= PHAR_ENT_PERM_DEF_DIR;
    1112             :                 }
    1113             : 
    1114         717 :                 if (entry.is_persistent) {
    1115           4 :                         PHAR_GET_32(buffer, entry.metadata_len);
    1116           4 :                         if (!entry.metadata_len) buffer -= 4;
    1117           4 :                         if (phar_parse_metadata(&buffer, &entry.metadata, entry.metadata_len TSRMLS_CC) == FAILURE) {
    1118           0 :                                 pefree(entry.filename, entry.is_persistent);
    1119           0 :                                 MAPPHAR_FAIL("unable to read file metadata in .phar file \"%s\"");
    1120             :                         }
    1121             :                 } else {
    1122         713 :                         if (phar_parse_metadata(&buffer, &entry.metadata, 0 TSRMLS_CC) == FAILURE) {
    1123           0 :                                 pefree(entry.filename, entry.is_persistent);
    1124           0 :                                 MAPPHAR_FAIL("unable to read file metadata in .phar file \"%s\"");
    1125             :                         }
    1126             :                 }
    1127             : 
    1128         717 :                 entry.offset = entry.offset_abs = offset;
    1129         717 :                 offset += entry.compressed_filesize;
    1130             : 
    1131         717 :                 switch (entry.flags & PHAR_ENT_COMPRESSION_MASK) {
    1132             :                         case PHAR_ENT_COMPRESSED_GZ:
    1133           9 :                                 if (!PHAR_G(has_zlib)) {
    1134           0 :                                         if (entry.metadata) {
    1135           0 :                                                 if (entry.is_persistent) {
    1136           0 :                                                         free(entry.metadata);
    1137             :                                                 } else {
    1138           0 :                                                         zval_ptr_dtor(&entry.metadata);
    1139             :                                                 }
    1140             :                                         }
    1141           0 :                                         pefree(entry.filename, entry.is_persistent);
    1142           0 :                                         MAPPHAR_FAIL("zlib extension is required for gz compressed .phar file \"%s\"");
    1143             :                                 }
    1144           9 :                                 break;
    1145             :                         case PHAR_ENT_COMPRESSED_BZ2:
    1146           1 :                                 if (!PHAR_G(has_bz2)) {
    1147           0 :                                         if (entry.metadata) {
    1148           0 :                                                 if (entry.is_persistent) {
    1149           0 :                                                         free(entry.metadata);
    1150             :                                                 } else {
    1151           0 :                                                         zval_ptr_dtor(&entry.metadata);
    1152             :                                                 }
    1153             :                                         }
    1154           0 :                                         pefree(entry.filename, entry.is_persistent);
    1155           0 :                                         MAPPHAR_FAIL("bz2 extension is required for bzip2 compressed .phar file \"%s\"");
    1156             :                                 }
    1157           1 :                                 break;
    1158             :                         default:
    1159         707 :                                 if (entry.uncompressed_filesize != entry.compressed_filesize) {
    1160           2 :                                         if (entry.metadata) {
    1161           0 :                                                 if (entry.is_persistent) {
    1162           0 :                                                         free(entry.metadata);
    1163             :                                                 } else {
    1164           0 :                                                         zval_ptr_dtor(&entry.metadata);
    1165             :                                                 }
    1166             :                                         }
    1167           2 :                                         pefree(entry.filename, entry.is_persistent);
    1168           2 :                                         MAPPHAR_FAIL("internal corruption of phar \"%s\" (compressed and uncompressed size does not match for uncompressed entry)");
    1169             :                                 }
    1170             :                                 break;
    1171             :                 }
    1172             : 
    1173         715 :                 manifest_flags |= (entry.flags & PHAR_ENT_COMPRESSION_MASK);
    1174             :                 /* if signature matched, no need to check CRC32 for each file */
    1175         715 :                 entry.is_crc_checked = (manifest_flags & PHAR_HDR_SIGNATURE ? 1 : 0);
    1176         715 :                 phar_set_inode(&entry TSRMLS_CC);
    1177         715 :                 zend_hash_add(&mydata->manifest, entry.filename, entry.filename_len, (void*)&entry, sizeof(phar_entry_info), NULL);
    1178             :         }
    1179             : 
    1180         210 :         snprintf(mydata->version, sizeof(mydata->version), "%u.%u.%u", manifest_ver >> 12, (manifest_ver >> 8) & 0xF, (manifest_ver >> 4) & 0xF);
    1181         210 :         mydata->internal_file_start = halt_offset + manifest_len + 4;
    1182         210 :         mydata->halt_offset = halt_offset;
    1183         210 :         mydata->flags = manifest_flags;
    1184         210 :         endbuffer = strrchr(mydata->fname, '/');
    1185             : 
    1186         210 :         if (endbuffer) {
    1187         210 :                 mydata->ext = memchr(endbuffer, '.', (mydata->fname + fname_len) - endbuffer);
    1188         210 :                 if (mydata->ext == endbuffer) {
    1189           0 :                         mydata->ext = memchr(endbuffer + 1, '.', (mydata->fname + fname_len) - endbuffer - 1);
    1190             :                 }
    1191         210 :                 if (mydata->ext) {
    1192         210 :                         mydata->ext_len = (mydata->fname + mydata->fname_len) - mydata->ext;
    1193             :                 }
    1194             :         }
    1195             : 
    1196         420 :         mydata->alias = alias ?
    1197         146 :                 pestrndup(alias, alias_len, mydata->is_persistent) :
    1198          64 :                 pestrndup(mydata->fname, fname_len, mydata->is_persistent);
    1199         210 :         mydata->alias_len = alias ? alias_len : fname_len;
    1200         210 :         mydata->sig_flags = sig_flags;
    1201         210 :         mydata->fp = fp;
    1202         210 :         mydata->sig_len = sig_len;
    1203         210 :         mydata->signature = signature;
    1204         210 :         phar_request_initialize(TSRMLS_C);
    1205             : 
    1206         210 :         if (register_alias) {
    1207             :                 phar_archive_data **fd_ptr;
    1208             : 
    1209         146 :                 mydata->is_temporary_alias = temp_alias;
    1210             : 
    1211         146 :                 if (!phar_validate_alias(mydata->alias, mydata->alias_len)) {
    1212           0 :                         signature = NULL;
    1213           0 :                         fp = NULL;
    1214           0 :                         MAPPHAR_FAIL("Cannot open archive \"%s\", invalid alias");
    1215             :                 }
    1216             : 
    1217         146 :                 if (SUCCESS == zend_hash_find(&(PHAR_GLOBALS->phar_alias_map), alias, alias_len, (void **)&fd_ptr)) {
    1218           5 :                         if (SUCCESS != phar_free_alias(*fd_ptr, alias, alias_len TSRMLS_CC)) {
    1219           3 :                                 signature = NULL;
    1220           3 :                                 fp = NULL;
    1221           3 :                                 MAPPHAR_FAIL("Cannot open archive \"%s\", alias is already in use by existing archive");
    1222             :                         }
    1223             :                 }
    1224             : 
    1225         143 :                 zend_hash_add(&(PHAR_GLOBALS->phar_alias_map), alias, alias_len, (void*)&mydata, sizeof(phar_archive_data*), NULL);
    1226             :         } else {
    1227          64 :                 mydata->is_temporary_alias = 1;
    1228             :         }
    1229             : 
    1230         207 :         zend_hash_add(&(PHAR_GLOBALS->phar_fname_map), mydata->fname, fname_len, (void*)&mydata, sizeof(phar_archive_data*),  NULL);
    1231         207 :         efree(savebuf);
    1232             : 
    1233         207 :         if (pphar) {
    1234         107 :                 *pphar = mydata;
    1235             :         }
    1236             : 
    1237         207 :         return SUCCESS;
    1238             : }
    1239             : /* }}} */
    1240             : 
    1241             : /**
    1242             :  * Create or open a phar for writing
    1243             :  */
    1244         599 : int phar_open_or_create_filename(char *fname, int fname_len, char *alias, int alias_len, int is_data, int options, phar_archive_data** pphar, char **error TSRMLS_DC) /* {{{ */
    1245             : {
    1246             :         const char *ext_str, *z;
    1247             :         char *my_error;
    1248             :         int ext_len;
    1249         599 :         phar_archive_data **test, *unused = NULL;
    1250             : 
    1251         599 :         test = &unused;
    1252             : 
    1253         599 :         if (error) {
    1254         599 :                 *error = NULL;
    1255             :         }
    1256             : 
    1257             :         /* first try to open an existing file */
    1258         599 :         if (phar_detect_phar_fname_ext(fname, fname_len, &ext_str, &ext_len, !is_data, 0, 1 TSRMLS_CC) == SUCCESS) {
    1259         405 :                 goto check_file;
    1260             :         }
    1261             : 
    1262             :         /* next try to create a new file */
    1263         194 :         if (FAILURE == phar_detect_phar_fname_ext(fname, fname_len, &ext_str, &ext_len, !is_data, 1, 1 TSRMLS_CC)) {
    1264           7 :                 if (error) {
    1265           7 :                         if (ext_len == -2) {
    1266           2 :                                 spprintf(error, 0, "Cannot create a phar archive from a URL like \"%s\". Phar objects can only be created from local files", fname);
    1267             :                         } else {
    1268           5 :                                 spprintf(error, 0, "Cannot create phar '%s', file extension (or combination) not recognised or the directory does not exist", fname);
    1269             :                         }
    1270             :                 }
    1271           7 :                 return FAILURE;
    1272             :         }
    1273             : check_file:
    1274         592 :         if (phar_open_parsed_phar(fname, fname_len, alias, alias_len, is_data, options, test, &my_error TSRMLS_CC) == SUCCESS) {
    1275         244 :                 if (pphar) {
    1276         244 :                         *pphar = *test;
    1277             :                 }
    1278             : 
    1279         244 :                 if ((*test)->is_data && !(*test)->is_tar && !(*test)->is_zip) {
    1280           0 :                         if (error) {
    1281           0 :                                 spprintf(error, 0, "Cannot open '%s' as a PharData object. Use Phar::__construct() for executable archives", fname);
    1282             :                         }
    1283           0 :                         return FAILURE;
    1284             :                 }
    1285             : 
    1286         244 :                 if (PHAR_G(readonly) && !(*test)->is_data && ((*test)->is_tar || (*test)->is_zip)) {
    1287             :                         phar_entry_info *stub;
    1288           0 :                         if (FAILURE == zend_hash_find(&((*test)->manifest), ".phar/stub.php", sizeof(".phar/stub.php")-1, (void **)&stub)) {
    1289           0 :                                 spprintf(error, 0, "'%s' is not a phar archive. Use PharData::__construct() for a standard zip or tar archive", fname);
    1290           0 :                                 return FAILURE;
    1291             :                         }
    1292             :                 }
    1293             : 
    1294         244 :                 if (!PHAR_G(readonly) || (*test)->is_data) {
    1295         236 :                         (*test)->is_writeable = 1;
    1296             :                 }
    1297         244 :                 return SUCCESS;
    1298         348 :         } else if (my_error) {
    1299           7 :                 if (error) {
    1300           7 :                         *error = my_error;
    1301             :                 } else {
    1302           0 :                         efree(my_error);
    1303             :                 }
    1304           7 :                 return FAILURE;
    1305             :         }
    1306             : 
    1307         341 :         if (ext_len > 3 && (z = memchr(ext_str, 'z', ext_len)) && ((ext_str + ext_len) - z >= 2) && !memcmp(z + 1, "ip", 2)) {
    1308             :                 /* assume zip-based phar */
    1309          97 :                 return phar_open_or_create_zip(fname, fname_len, alias, alias_len, is_data, options, pphar, error TSRMLS_CC);
    1310             :         }
    1311             : 
    1312         244 :         if (ext_len > 3 && (z = memchr(ext_str, 't', ext_len)) && ((ext_str + ext_len) - z >= 2) && !memcmp(z + 1, "ar", 2)) {
    1313             :                 /* assume tar-based phar */
    1314          76 :                 return phar_open_or_create_tar(fname, fname_len, alias, alias_len, is_data, options, pphar, error TSRMLS_CC);
    1315             :         }
    1316             : 
    1317         168 :         return phar_create_or_parse_filename(fname, fname_len, alias, alias_len, is_data, options, pphar, error TSRMLS_CC);
    1318             : }
    1319             : /* }}} */
    1320             : 
    1321         341 : int phar_create_or_parse_filename(char *fname, int fname_len, char *alias, int alias_len, int is_data, int options, phar_archive_data** pphar, char **error TSRMLS_DC) /* {{{ */
    1322             : {
    1323             :         phar_archive_data *mydata;
    1324             :         php_stream *fp;
    1325         341 :         char *actual = NULL, *p;
    1326             : 
    1327         341 :         if (!pphar) {
    1328           0 :                 pphar = &mydata;
    1329             :         }
    1330             : #if PHP_API_VERSION < 20100412
    1331         341 :         if (PG(safe_mode) && (!php_checkuid(fname, NULL, CHECKUID_ALLOW_ONLY_FILE))) {
    1332           0 :                 return FAILURE;
    1333             :         }
    1334             : #endif
    1335         341 :         if (php_check_open_basedir(fname TSRMLS_CC)) {
    1336           0 :                 return FAILURE;
    1337             :         }
    1338             : 
    1339             :         /* first open readonly so it won't be created if not present */
    1340         341 :         fp = php_stream_open_wrapper(fname, "rb", IGNORE_URL|STREAM_MUST_SEEK|0, &actual);
    1341             : 
    1342         341 :         if (actual) {
    1343         162 :                 fname = actual;
    1344         162 :                 fname_len = strlen(actual);
    1345             :         }
    1346             : 
    1347         341 :         if (fp) {
    1348         162 :                 if (phar_open_from_fp(fp, fname, fname_len, alias, alias_len, options, pphar, is_data, error TSRMLS_CC) == SUCCESS) {
    1349         115 :                         if ((*pphar)->is_data || !PHAR_G(readonly)) {
    1350          98 :                                 (*pphar)->is_writeable = 1;
    1351             :                         }
    1352         115 :                         if (actual) {
    1353         115 :                                 efree(actual);
    1354             :                         }
    1355         115 :                         return SUCCESS;
    1356             :                 } else {
    1357             :                         /* file exists, but is either corrupt or not a phar archive */
    1358          47 :                         if (actual) {
    1359          47 :                                 efree(actual);
    1360             :                         }
    1361          47 :                         return FAILURE;
    1362             :                 }
    1363             :         }
    1364             : 
    1365         179 :         if (actual) {
    1366           0 :                 efree(actual);
    1367             :         }
    1368             : 
    1369         179 :         if (PHAR_G(readonly) && !is_data) {
    1370           0 :                 if (options & REPORT_ERRORS) {
    1371           0 :                         if (error) {
    1372           0 :                                 spprintf(error, 0, "creating archive \"%s\" disabled by the php.ini setting phar.readonly", fname);
    1373             :                         }
    1374             :                 }
    1375           0 :                 return FAILURE;
    1376             :         }
    1377             : 
    1378             :         /* set up our manifest */
    1379         179 :         mydata = ecalloc(1, sizeof(phar_archive_data));
    1380         179 :         mydata->fname = expand_filepath(fname, NULL TSRMLS_CC);
    1381         179 :         fname_len = strlen(mydata->fname);
    1382             : #ifdef PHP_WIN32
    1383             :         phar_unixify_path_separators(mydata->fname, fname_len);
    1384             : #endif
    1385         179 :         p = strrchr(mydata->fname, '/');
    1386             : 
    1387         179 :         if (p) {
    1388         179 :                 mydata->ext = memchr(p, '.', (mydata->fname + fname_len) - p);
    1389         179 :                 if (mydata->ext == p) {
    1390           0 :                         mydata->ext = memchr(p + 1, '.', (mydata->fname + fname_len) - p - 1);
    1391             :                 }
    1392         179 :                 if (mydata->ext) {
    1393         179 :                         mydata->ext_len = (mydata->fname + fname_len) - mydata->ext;
    1394             :                 }
    1395             :         }
    1396             : 
    1397         179 :         if (pphar) {
    1398         179 :                 *pphar = mydata;
    1399             :         }
    1400             : 
    1401         179 :         zend_hash_init(&mydata->manifest, sizeof(phar_entry_info),
    1402             :                 zend_get_hash_value, destroy_phar_manifest_entry, 0);
    1403         179 :         zend_hash_init(&mydata->mounted_dirs, sizeof(char *),
    1404             :                 zend_get_hash_value, NULL, 0);
    1405         179 :         zend_hash_init(&mydata->virtual_dirs, sizeof(char *),
    1406             :                 zend_get_hash_value, NULL, (zend_bool)mydata->is_persistent);
    1407         179 :         mydata->fname_len = fname_len;
    1408         179 :         snprintf(mydata->version, sizeof(mydata->version), "%s", PHP_PHAR_API_VERSION);
    1409         179 :         mydata->is_temporary_alias = alias ? 0 : 1;
    1410         179 :         mydata->internal_file_start = -1;
    1411         179 :         mydata->fp = NULL;
    1412         179 :         mydata->is_writeable = 1;
    1413         179 :         mydata->is_brandnew = 1;
    1414         179 :         phar_request_initialize(TSRMLS_C);
    1415         179 :         zend_hash_add(&(PHAR_GLOBALS->phar_fname_map), mydata->fname, fname_len, (void*)&mydata, sizeof(phar_archive_data*),  NULL);
    1416             : 
    1417         179 :         if (is_data) {
    1418          11 :                 alias = NULL;
    1419          11 :                 alias_len = 0;
    1420          11 :                 mydata->is_data = 1;
    1421             :                 /* assume tar format, PharData can specify other */
    1422          11 :                 mydata->is_tar = 1;
    1423             :         } else {
    1424             :                 phar_archive_data **fd_ptr;
    1425             : 
    1426         168 :                 if (alias && SUCCESS == zend_hash_find(&(PHAR_GLOBALS->phar_alias_map), alias, alias_len, (void **)&fd_ptr)) {
    1427           0 :                         if (SUCCESS != phar_free_alias(*fd_ptr, alias, alias_len TSRMLS_CC)) {
    1428           0 :                                 if (error) {
    1429           0 :                                         spprintf(error, 4096, "phar error: phar \"%s\" cannot set alias \"%s\", already in use by another phar archive", mydata->fname, alias);
    1430             :                                 }
    1431             : 
    1432           0 :                                 zend_hash_del(&(PHAR_GLOBALS->phar_fname_map), mydata->fname, fname_len);
    1433             : 
    1434           0 :                                 if (pphar) {
    1435           0 :                                         *pphar = NULL;
    1436             :                                 }
    1437             : 
    1438           0 :                                 return FAILURE;
    1439             :                         }
    1440             :                 }
    1441             : 
    1442         168 :                 mydata->alias = alias ? estrndup(alias, alias_len) : estrndup(mydata->fname, fname_len);
    1443         168 :                 mydata->alias_len = alias ? alias_len : fname_len;
    1444             :         }
    1445             : 
    1446         179 :         if (alias_len && alias) {
    1447           9 :                 if (FAILURE == zend_hash_add(&(PHAR_GLOBALS->phar_alias_map), alias, alias_len, (void*)&mydata, sizeof(phar_archive_data*), NULL)) {
    1448           0 :                         if (options & REPORT_ERRORS) {
    1449           0 :                                 if (error) {
    1450           0 :                                         spprintf(error, 0, "archive \"%s\" cannot be associated with alias \"%s\", already in use", fname, alias);
    1451             :                                 }
    1452             :                         }
    1453             : 
    1454           0 :                         zend_hash_del(&(PHAR_GLOBALS->phar_fname_map), mydata->fname, fname_len);
    1455             : 
    1456           0 :                         if (pphar) {
    1457           0 :                                 *pphar = NULL;
    1458             :                         }
    1459             : 
    1460           0 :                         return FAILURE;
    1461             :                 }
    1462             :         }
    1463             : 
    1464         179 :         return SUCCESS;
    1465             : }
    1466             : /* }}}*/
    1467             : 
    1468             : /**
    1469             :  * Return an already opened filename.
    1470             :  *
    1471             :  * Or scan a phar file for the required __HALT_COMPILER(); ?> token and verify
    1472             :  * that the manifest is proper, then pass it to phar_parse_pharfile().  SUCCESS
    1473             :  * or FAILURE is returned and pphar is set to a pointer to the phar's manifest
    1474             :  */
    1475        2132 : int phar_open_from_filename(char *fname, int fname_len, char *alias, int alias_len, int options, phar_archive_data** pphar, char **error TSRMLS_DC) /* {{{ */
    1476             : {
    1477             :         php_stream *fp;
    1478             :         char *actual;
    1479        2132 :         int ret, is_data = 0;
    1480             : 
    1481        2132 :         if (error) {
    1482        1832 :                 *error = NULL;
    1483             :         }
    1484             : 
    1485        2132 :         if (!strstr(fname, ".phar")) {
    1486         411 :                 is_data = 1;
    1487             :         }
    1488             : 
    1489        2132 :         if (phar_open_parsed_phar(fname, fname_len, alias, alias_len, is_data, options, pphar, error TSRMLS_CC) == SUCCESS) {
    1490        1791 :                 return SUCCESS;
    1491         341 :         } else if (error && *error) {
    1492           3 :                 return FAILURE;
    1493             :         }
    1494             : #if PHP_API_VERSION < 20100412
    1495         338 :         if (PG(safe_mode) && (!php_checkuid(fname, NULL, CHECKUID_ALLOW_ONLY_FILE))) {
    1496           0 :                 return FAILURE;
    1497             :         }
    1498             : #endif
    1499         338 :         if (php_check_open_basedir(fname TSRMLS_CC)) {
    1500           0 :                 return FAILURE;
    1501             :         }
    1502             : 
    1503         338 :         fp = php_stream_open_wrapper(fname, "rb", IGNORE_URL|STREAM_MUST_SEEK, &actual);
    1504             : 
    1505         338 :         if (!fp) {
    1506          63 :                 if (options & REPORT_ERRORS) {
    1507           1 :                         if (error) {
    1508           1 :                                 spprintf(error, 0, "unable to open phar for reading \"%s\"", fname);
    1509             :                         }
    1510             :                 }
    1511          63 :                 if (actual) {
    1512           0 :                         efree(actual);
    1513             :                 }
    1514          63 :                 return FAILURE;
    1515             :         }
    1516             : 
    1517         275 :         if (actual) {
    1518         275 :                 fname = actual;
    1519         275 :                 fname_len = strlen(actual);
    1520             :         }
    1521             : 
    1522         275 :         ret =  phar_open_from_fp(fp, fname, fname_len, alias, alias_len, options, pphar, is_data, error TSRMLS_CC);
    1523             : 
    1524         275 :         if (actual) {
    1525         275 :                 efree(actual);
    1526             :         }
    1527             : 
    1528         275 :         return ret;
    1529             : }
    1530             : /* }}}*/
    1531             : 
    1532         513 : static inline char *phar_strnstr(const char *buf, int buf_len, const char *search, int search_len) /* {{{ */
    1533             : {
    1534             :         const char *c;
    1535         513 :         int so_far = 0;
    1536             : 
    1537         513 :         if (buf_len < search_len) {
    1538           0 :                 return NULL;
    1539             :         }
    1540             : 
    1541         513 :         c = buf - 1;
    1542             : 
    1543             :         do {
    1544        4065 :                 if (!(c = memchr(c + 1, search[0], buf_len - search_len - so_far))) {
    1545         229 :                         return (char *) NULL;
    1546             :                 }
    1547             : 
    1548        3836 :                 so_far = c - buf;
    1549             : 
    1550        3836 :                 if (so_far >= (buf_len - search_len)) {
    1551           0 :                         return (char *) NULL;
    1552             :                 }
    1553             : 
    1554        3836 :                 if (!memcmp(c, search, search_len)) {
    1555         284 :                         return (char *) c;
    1556             :                 }
    1557        3552 :         } while (1);
    1558             : }
    1559             : /* }}} */
    1560             : 
    1561             : /**
    1562             :  * Scan an open fp for the required __HALT_COMPILER(); ?> token and verify
    1563             :  * that the manifest is proper, then pass it to phar_parse_pharfile().  SUCCESS
    1564             :  * or FAILURE is returned and pphar is set to a pointer to the phar's manifest
    1565             :  */
    1566         509 : static int phar_open_from_fp(php_stream* fp, char *fname, int fname_len, char *alias, int alias_len, int options, phar_archive_data** pphar, int is_data, char **error TSRMLS_DC) /* {{{ */
    1567             : {
    1568         509 :         const char token[] = "__HALT_COMPILER();";
    1569         509 :         const char zip_magic[] = "PK\x03\x04";
    1570         509 :         const char gz_magic[] = "\x1f\x8b\x08";
    1571         509 :         const char bz_magic[] = "BZh";
    1572         509 :         char *pos, test = '\0';
    1573         509 :         const int window_size = 1024;
    1574             :         char buffer[1024 + sizeof(token)]; /* a 1024 byte window + the size of the halt_compiler token (moving window) */
    1575         509 :         const long readsize = sizeof(buffer) - sizeof(token);
    1576         509 :         const long tokenlen = sizeof(token) - 1;
    1577             :         long halt_offset;
    1578             :         size_t got;
    1579         509 :         php_uint32 compression = PHAR_FILE_COMPRESSED_NONE;
    1580             : 
    1581         509 :         if (error) {
    1582         288 :                 *error = NULL;
    1583             :         }
    1584             : 
    1585         509 :         if (-1 == php_stream_rewind(fp)) {
    1586           0 :                 MAPPHAR_ALLOC_FAIL("cannot rewind phar \"%s\"")
    1587             :         }
    1588             : 
    1589         509 :         buffer[sizeof(buffer)-1] = '\0';
    1590         509 :         memset(buffer, 32, sizeof(token));
    1591         509 :         halt_offset = 0;
    1592             : 
    1593             :         /* Maybe it's better to compile the file instead of just searching,  */
    1594             :         /* but we only want the offset. So we want a .re scanner to find it. */
    1595        1268 :         while(!php_stream_eof(fp)) {
    1596         687 :                 if ((got = php_stream_read(fp, buffer+tokenlen, readsize)) < (size_t) tokenlen) {
    1597           2 :                         MAPPHAR_ALLOC_FAIL("internal corruption of phar \"%s\" (truncated entry)")
    1598             :                 }
    1599             : 
    1600         685 :                 if (!test) {
    1601         528 :                         test = '\1';
    1602         528 :                         pos = buffer+tokenlen;
    1603         528 :                         if (!memcmp(pos, gz_magic, 3)) {
    1604          13 :                                 char err = 0;
    1605             :                                 php_stream_filter *filter;
    1606             :                                 php_stream *temp;
    1607             :                                 /* to properly decompress, we have to tell zlib to look for a zlib or gzip header */
    1608             :                                 zval filterparams;
    1609             : 
    1610          13 :                                 if (!PHAR_G(has_zlib)) {
    1611           0 :                                         MAPPHAR_ALLOC_FAIL("unable to decompress gzipped phar archive \"%s\" to temporary file, enable zlib extension in php.ini")
    1612             :                                 }
    1613          13 :                                 array_init(&filterparams);
    1614             : /* this is defined in zlib's zconf.h */
    1615             : #ifndef MAX_WBITS
    1616             : #define MAX_WBITS 15
    1617             : #endif
    1618          13 :                                 add_assoc_long(&filterparams, "window", MAX_WBITS + 32);
    1619             : 
    1620             :                                 /* entire file is gzip-compressed, uncompress to temporary file */
    1621          13 :                                 if (!(temp = php_stream_fopen_tmpfile())) {
    1622           0 :                                         MAPPHAR_ALLOC_FAIL("unable to create temporary file for decompression of gzipped phar archive \"%s\"")
    1623             :                                 }
    1624             : 
    1625          13 :                                 php_stream_rewind(fp);
    1626          13 :                                 filter = php_stream_filter_create("zlib.inflate", &filterparams, php_stream_is_persistent(fp) TSRMLS_CC);
    1627             : 
    1628          13 :                                 if (!filter) {
    1629           0 :                                         err = 1;
    1630           0 :                                         add_assoc_long(&filterparams, "window", MAX_WBITS);
    1631           0 :                                         filter = php_stream_filter_create("zlib.inflate", &filterparams, php_stream_is_persistent(fp) TSRMLS_CC);
    1632           0 :                                         zval_dtor(&filterparams);
    1633             : 
    1634           0 :                                         if (!filter) {
    1635           0 :                                                 php_stream_close(temp);
    1636           0 :                                                 MAPPHAR_ALLOC_FAIL("unable to decompress gzipped phar archive \"%s\", ext/zlib is buggy in PHP versions older than 5.2.6")
    1637             :                                         }
    1638             :                                 } else {
    1639          13 :                                         zval_dtor(&filterparams);
    1640             :                                 }
    1641             : 
    1642          13 :                                 php_stream_filter_append(&temp->writefilters, filter);
    1643             : 
    1644          13 :                                 if (SUCCESS != phar_stream_copy_to_stream(fp, temp, PHP_STREAM_COPY_ALL, NULL)) {
    1645           0 :                                         if (err) {
    1646           0 :                                                 php_stream_close(temp);
    1647           0 :                                                 MAPPHAR_ALLOC_FAIL("unable to decompress gzipped phar archive \"%s\", ext/zlib is buggy in PHP versions older than 5.2.6")
    1648             :                                         }
    1649           0 :                                         php_stream_close(temp);
    1650           0 :                                         MAPPHAR_ALLOC_FAIL("unable to decompress gzipped phar archive \"%s\" to temporary file")
    1651             :                                 }
    1652             : 
    1653          13 :                                 php_stream_filter_flush(filter, 1);
    1654          13 :                                 php_stream_filter_remove(filter, 1 TSRMLS_CC);
    1655          13 :                                 php_stream_close(fp);
    1656          13 :                                 fp = temp;
    1657          13 :                                 php_stream_rewind(fp);
    1658          13 :                                 compression = PHAR_FILE_COMPRESSED_GZ;
    1659             : 
    1660             :                                 /* now, start over */
    1661          13 :                                 test = '\0';
    1662          13 :                                 continue;
    1663         515 :                         } else if (!memcmp(pos, bz_magic, 3)) {
    1664             :                                 php_stream_filter *filter;
    1665             :                                 php_stream *temp;
    1666             : 
    1667           8 :                                 if (!PHAR_G(has_bz2)) {
    1668           0 :                                         MAPPHAR_ALLOC_FAIL("unable to decompress bzipped phar archive \"%s\" to temporary file, enable bz2 extension in php.ini")
    1669             :                                 }
    1670             : 
    1671             :                                 /* entire file is bzip-compressed, uncompress to temporary file */
    1672           8 :                                 if (!(temp = php_stream_fopen_tmpfile())) {
    1673           0 :                                         MAPPHAR_ALLOC_FAIL("unable to create temporary file for decompression of bzipped phar archive \"%s\"")
    1674             :                                 }
    1675             : 
    1676           8 :                                 php_stream_rewind(fp);
    1677           8 :                                 filter = php_stream_filter_create("bzip2.decompress", NULL, php_stream_is_persistent(fp) TSRMLS_CC);
    1678             : 
    1679           8 :                                 if (!filter) {
    1680           0 :                                         php_stream_close(temp);
    1681           0 :                                         MAPPHAR_ALLOC_FAIL("unable to decompress bzipped phar archive \"%s\", filter creation failed")
    1682             :                                 }
    1683             : 
    1684           8 :                                 php_stream_filter_append(&temp->writefilters, filter);
    1685             : 
    1686           8 :                                 if (SUCCESS != phar_stream_copy_to_stream(fp, temp, PHP_STREAM_COPY_ALL, NULL)) {
    1687           0 :                                         php_stream_close(temp);
    1688           0 :                                         MAPPHAR_ALLOC_FAIL("unable to decompress bzipped phar archive \"%s\" to temporary file")
    1689             :                                 }
    1690             : 
    1691           8 :                                 php_stream_filter_flush(filter, 1);
    1692           8 :                                 php_stream_filter_remove(filter, 1 TSRMLS_CC);
    1693           8 :                                 php_stream_close(fp);
    1694           8 :                                 fp = temp;
    1695           8 :                                 php_stream_rewind(fp);
    1696           8 :                                 compression = PHAR_FILE_COMPRESSED_BZ2;
    1697             : 
    1698             :                                 /* now, start over */
    1699           8 :                                 test = '\0';
    1700           8 :                                 continue;
    1701             :                         }
    1702             : 
    1703         507 :                         if (!memcmp(pos, zip_magic, 4)) {
    1704          79 :                                 php_stream_seek(fp, 0, SEEK_END);
    1705          79 :                                 return phar_parse_zipfile(fp, fname, fname_len, alias, alias_len, pphar, error TSRMLS_CC);
    1706             :                         }
    1707             : 
    1708         428 :                         if (got > 512) {
    1709         154 :                                 if (phar_is_tar(pos, fname)) {
    1710          72 :                                         php_stream_rewind(fp);
    1711          72 :                                         return phar_parse_tarfile(fp, fname, fname_len, alias, alias_len, pphar, is_data, compression, error TSRMLS_CC);
    1712             :                                 }
    1713             :                         }
    1714             :                 }
    1715             : 
    1716         513 :                 if (got > 0 && (pos = phar_strnstr(buffer, got + sizeof(token), token, sizeof(token)-1)) != NULL) {
    1717         284 :                         halt_offset += (pos - buffer); /* no -tokenlen+tokenlen here */
    1718         284 :                         return phar_parse_pharfile(fp, fname, fname_len, alias, alias_len, halt_offset, pphar, compression, error TSRMLS_CC);
    1719             :                 }
    1720             : 
    1721         229 :                 halt_offset += got;
    1722         229 :                 memmove(buffer, buffer + window_size, tokenlen); /* move the memory buffer by the size of the window */
    1723             :         }
    1724             : 
    1725          72 :         MAPPHAR_ALLOC_FAIL("internal corruption of phar \"%s\" (__HALT_COMPILER(); not found)")
    1726             : }
    1727             : /* }}} */
    1728             : 
    1729             : /*
    1730             :  * given the location of the file extension and the start of the file path,
    1731             :  * determine the end of the portion of the path (i.e. /path/to/file.ext/blah
    1732             :  * grabs "/path/to/file.ext" as does the straight /path/to/file.ext),
    1733             :  * stat it to determine if it exists.
    1734             :  * if so, check to see if it is a directory and fail if so
    1735             :  * if not, check to see if its dirname() exists (i.e. "/path/to") and is a directory
    1736             :  * succeed if we are creating the file, otherwise fail.
    1737             :  */
    1738        1040 : static int phar_analyze_path(const char *fname, const char *ext, int ext_len, int for_create TSRMLS_DC) /* {{{ */
    1739             : {
    1740             :         php_stream_statbuf ssb;
    1741        1040 :         char *realpath, old, *a = (char *)(ext + ext_len);
    1742             : 
    1743        1040 :         old = *a;
    1744        1040 :         *a = '\0';
    1745             : 
    1746        1040 :         if ((realpath = expand_filepath(fname, NULL TSRMLS_CC))) {
    1747             : #ifdef PHP_WIN32
    1748             :                 phar_unixify_path_separators(realpath, strlen(realpath));
    1749             : #endif
    1750        1039 :                 if (zend_hash_exists(&(PHAR_GLOBALS->phar_fname_map), realpath, strlen(realpath))) {
    1751           8 :                         *a = old;
    1752           8 :                         efree(realpath);
    1753           8 :                         return SUCCESS;
    1754             :                 }
    1755             : 
    1756        1031 :                 if (PHAR_G(manifest_cached) && zend_hash_exists(&cached_phars, realpath, strlen(realpath))) {
    1757           0 :                         *a = old;
    1758           0 :                         efree(realpath);
    1759           0 :                         return SUCCESS;
    1760             :                 }
    1761        1031 :                 efree(realpath);
    1762             :         }
    1763             : 
    1764        1032 :         if (SUCCESS == php_stream_stat_path((char *) fname, &ssb)) {
    1765         379 :                 *a = old;
    1766             : 
    1767         379 :                 if (ssb.sb.st_mode & S_IFDIR) {
    1768           0 :                         return FAILURE;
    1769             :                 }
    1770             : 
    1771         379 :                 if (for_create == 1) {
    1772           0 :                         return FAILURE;
    1773             :                 }
    1774             : 
    1775         379 :                 return SUCCESS;
    1776             :         } else {
    1777             :                 char *slash;
    1778             : 
    1779         653 :                 if (!for_create) {
    1780         212 :                         *a = old;
    1781         212 :                         return FAILURE;
    1782             :                 }
    1783             : 
    1784         441 :                 slash = (char *) strrchr(fname, '/');
    1785         441 :                 *a = old;
    1786             : 
    1787         441 :                 if (slash) {
    1788         407 :                         old = *slash;
    1789         407 :                         *slash = '\0';
    1790             :                 }
    1791             : 
    1792         441 :                 if (SUCCESS != php_stream_stat_path((char *) fname, &ssb)) {
    1793          34 :                         if (slash) {
    1794           0 :                                 *slash = old;
    1795             :                         } else {
    1796          34 :                                 if (!(realpath = expand_filepath(fname, NULL TSRMLS_CC))) {
    1797           0 :                                         return FAILURE;
    1798             :                                 }
    1799             : #ifdef PHP_WIN32
    1800             :                                 phar_unixify_path_separators(realpath, strlen(realpath));
    1801             : #endif
    1802          34 :                                 if ((a = strstr(realpath, fname)) == NULL) {
    1803           0 :                                         return FAILURE;
    1804             :                                 }
    1805             :                                 
    1806          34 :                                 a += ((ext - fname) + ext_len);
    1807          34 :                                 *a = '\0';
    1808          34 :                                 slash = strrchr(realpath, '/');
    1809             : 
    1810          34 :                                 if (slash) {
    1811          34 :                                         *slash = '\0';
    1812             :                                 } else {
    1813           0 :                                         efree(realpath);
    1814           0 :                                         return FAILURE;
    1815             :                                 }
    1816             : 
    1817          34 :                                 if (SUCCESS != php_stream_stat_path(realpath, &ssb)) {
    1818           0 :                                         efree(realpath);
    1819           0 :                                         return FAILURE;
    1820             :                                 }
    1821             : 
    1822          34 :                                 efree(realpath);
    1823             : 
    1824          34 :                                 if (ssb.sb.st_mode & S_IFDIR) {
    1825          34 :                                         return SUCCESS;
    1826             :                                 }
    1827             :                         }
    1828             : 
    1829           0 :                         return FAILURE;
    1830             :                 }
    1831             : 
    1832         407 :                 if (slash) {
    1833         407 :                         *slash = old;
    1834             :                 }
    1835             : 
    1836         407 :                 if (ssb.sb.st_mode & S_IFDIR) {
    1837         406 :                         return SUCCESS;
    1838             :                 }
    1839             : 
    1840           1 :                 return FAILURE;
    1841             :         }
    1842             : }
    1843             : /* }}} */
    1844             : 
    1845             : /* check for ".phar" in extension */
    1846        1063 : static int phar_check_str(const char *fname, const char *ext_str, int ext_len, int executable, int for_create TSRMLS_DC) /* {{{ */
    1847             : {
    1848             :         char test[51];
    1849             :         const char *pos;
    1850             : 
    1851        1063 :         if (ext_len >= 50) {
    1852           0 :                 return FAILURE;
    1853             :         }
    1854             : 
    1855        1063 :         if (executable == 1) {
    1856             :                 /* copy "." as well */
    1857         793 :                 memcpy(test, ext_str - 1, ext_len + 1);
    1858         793 :                 test[ext_len + 1] = '\0';
    1859             :                 /* executable phars must contain ".phar" as a valid extension (phar://.pharmy/oops is invalid) */
    1860             :                 /* (phar://hi/there/.phar/oops is also invalid) */
    1861         793 :                 pos = strstr(test, ".phar");
    1862             : 
    1863        2687 :                 if (pos && (*(pos - 1) != '/')
    1864        1894 :                                 && (pos += 5) && (*pos == '\0' || *pos == '/' || *pos == '.')) {
    1865         778 :                         return phar_analyze_path(fname, ext_str, ext_len, for_create TSRMLS_CC);
    1866             :                 } else {
    1867          15 :                         return FAILURE;
    1868             :                 }
    1869             :         }
    1870             : 
    1871             :         /* data phars need only contain a single non-"." to be valid */
    1872         270 :         if (!executable) {
    1873         151 :                 pos = strstr(ext_str, ".phar");
    1874         603 :                 if (!(pos && (*(pos - 1) != '/')
    1875         452 :                                         && (pos += 5) && (*pos == '\0' || *pos == '/' || *pos == '.')) && *(ext_str + 1) != '.' && *(ext_str + 1) != '/' && *(ext_str + 1) != '\0') {
    1876         143 :                         return phar_analyze_path(fname, ext_str, ext_len, for_create TSRMLS_CC);
    1877             :                 }
    1878             :         } else {
    1879         119 :                 if (*(ext_str + 1) != '.' && *(ext_str + 1) != '/' && *(ext_str + 1) != '\0') {
    1880         119 :                         return phar_analyze_path(fname, ext_str, ext_len, for_create TSRMLS_CC);
    1881             :                 }
    1882             :         }
    1883             : 
    1884           8 :         return FAILURE;
    1885             : }
    1886             : /* }}} */
    1887             : 
    1888             : /*
    1889             :  * if executable is 1, only returns SUCCESS if the extension is one of the tar/zip .phar extensions
    1890             :  * if executable is 0, it returns SUCCESS only if the filename does *not* contain ".phar" anywhere, and treats
    1891             :  * the first extension as the filename extension
    1892             :  *
    1893             :  * if an extension is found, it sets ext_str to the location of the file extension in filename,
    1894             :  * and ext_len to the length of the extension.
    1895             :  * for urls like "phar://alias/oops" it instead sets ext_len to -1 and returns FAILURE, which tells
    1896             :  * the calling function to use "alias" as the phar alias
    1897             :  *
    1898             :  * the last parameter should be set to tell the thing to assume that filename is the full path, and only to check the
    1899             :  * extension rules, not to iterate.
    1900             :  */
    1901        3442 : int phar_detect_phar_fname_ext(const char *filename, int filename_len, const char **ext_str, int *ext_len, int executable, int for_create, int is_complete TSRMLS_DC) /* {{{ */
    1902             : {
    1903             :         const char *pos, *slash;
    1904             : 
    1905        3442 :         *ext_str = NULL;
    1906        3442 :         *ext_len = 0;
    1907             : 
    1908        3442 :         if (!filename_len || filename_len == 1) {
    1909          16 :                 return FAILURE;
    1910             :         }
    1911             : 
    1912        3426 :         phar_request_initialize(TSRMLS_C);
    1913             :         /* first check for alias in first segment */
    1914        3426 :         pos = memchr(filename, '/', filename_len);
    1915             : 
    1916        3426 :         if (pos && pos != filename) {
    1917             :                 /* check for url like http:// or phar:// */
    1918          82 :                 if (*(pos - 1) == ':' && (pos - filename) < filename_len - 1 && *(pos + 1) == '/') {
    1919           6 :                         *ext_len = -2;
    1920           6 :                         *ext_str = NULL;
    1921           6 :                         return FAILURE;
    1922             :                 }
    1923          76 :                 if (zend_hash_exists(&(PHAR_GLOBALS->phar_alias_map), (char *) filename, pos - filename)) {
    1924          63 :                         *ext_str = pos;
    1925          63 :                         *ext_len = -1;
    1926          63 :                         return FAILURE;
    1927             :                 }
    1928             : 
    1929          13 :                 if (PHAR_G(manifest_cached) && zend_hash_exists(&cached_alias, (char *) filename, pos - filename)) {
    1930           0 :                         *ext_str = pos;
    1931           0 :                         *ext_len = -1;
    1932           0 :                         return FAILURE;
    1933             :                 }
    1934             :         }
    1935             : 
    1936        3357 :         if (zend_hash_num_elements(&(PHAR_GLOBALS->phar_fname_map)) || PHAR_G(manifest_cached)) {
    1937             :                 phar_archive_data **pphar;
    1938             : 
    1939        2565 :                 if (is_complete) {
    1940         406 :                         if (SUCCESS == zend_hash_find(&(PHAR_GLOBALS->phar_fname_map), (char *) filename, filename_len, (void **)&pphar)) {
    1941         239 :                                 *ext_str = filename + (filename_len - (*pphar)->ext_len);
    1942             : woohoo:
    1943        2296 :                                 *ext_len = (*pphar)->ext_len;
    1944             : 
    1945        2296 :                                 if (executable == 2) {
    1946        1878 :                                         return SUCCESS;
    1947             :                                 }
    1948             : 
    1949         418 :                                 if (executable == 1 && !(*pphar)->is_data) {
    1950         345 :                                         return SUCCESS;
    1951             :                                 }
    1952             : 
    1953          73 :                                 if (!executable && (*pphar)->is_data) {
    1954          70 :                                         return SUCCESS;
    1955             :                                 }
    1956             : 
    1957           3 :                                 return FAILURE;
    1958             :                         }
    1959             : 
    1960         167 :                         if (PHAR_G(manifest_cached) && SUCCESS == zend_hash_find(&cached_phars, (char *) filename, filename_len, (void **)&pphar)) {
    1961           4 :                                 *ext_str = filename + (filename_len - (*pphar)->ext_len);
    1962           4 :                                 goto woohoo;
    1963             :                         }
    1964             :                 } else {
    1965             :                         phar_zstr key;
    1966             :                         char *str_key;
    1967             :                         uint keylen;
    1968             :                         ulong unused;
    1969             : 
    1970        2159 :                         zend_hash_internal_pointer_reset(&(PHAR_GLOBALS->phar_fname_map));
    1971             : 
    1972        5063 :                         while (FAILURE != zend_hash_has_more_elements(&(PHAR_GLOBALS->phar_fname_map))) {
    1973        2788 :                                 if (HASH_KEY_NON_EXISTANT == zend_hash_get_current_key_ex(&(PHAR_GLOBALS->phar_fname_map), &key, &keylen, &unused, 0, NULL)) {
    1974           0 :                                         break;
    1975             :                                 }
    1976             : 
    1977        2788 :                                 PHAR_STR(key, str_key);
    1978             : 
    1979        2788 :                                 if (keylen > (uint) filename_len) {
    1980         177 :                                         zend_hash_move_forward(&(PHAR_GLOBALS->phar_fname_map));
    1981             :                                         PHAR_STR_FREE(str_key);
    1982         177 :                                         continue;
    1983             :                                 }
    1984             : 
    1985        6717 :                                 if (!memcmp(filename, str_key, keylen) && ((uint)filename_len == keylen
    1986        4106 :                                         || filename[keylen] == '/' || filename[keylen] == '\0')) {
    1987             :                                         PHAR_STR_FREE(str_key);
    1988        2043 :                                         if (FAILURE == zend_hash_get_current_data(&(PHAR_GLOBALS->phar_fname_map), (void **) &pphar)) {
    1989           0 :                                                 break;
    1990             :                                         }
    1991        2043 :                                         *ext_str = filename + (keylen - (*pphar)->ext_len);
    1992        2043 :                                         goto woohoo;
    1993             :                                 }
    1994             : 
    1995             :                                 PHAR_STR_FREE(str_key);
    1996         568 :                                 zend_hash_move_forward(&(PHAR_GLOBALS->phar_fname_map));
    1997             :                         }
    1998             : 
    1999         116 :                         if (PHAR_G(manifest_cached)) {
    2000          10 :                                 zend_hash_internal_pointer_reset(&cached_phars);
    2001             : 
    2002          20 :                                 while (FAILURE != zend_hash_has_more_elements(&cached_phars)) {
    2003          10 :                                         if (HASH_KEY_NON_EXISTANT == zend_hash_get_current_key_ex(&cached_phars, &key, &keylen, &unused, 0, NULL)) {
    2004           0 :                                                 break;
    2005             :                                         }
    2006             : 
    2007          10 :                                         PHAR_STR(key, str_key);
    2008             : 
    2009          10 :                                         if (keylen > (uint) filename_len) {
    2010           0 :                                                 zend_hash_move_forward(&cached_phars);
    2011             :                                                 PHAR_STR_FREE(str_key);
    2012           0 :                                                 continue;
    2013             :                                         }
    2014             : 
    2015          28 :                                         if (!memcmp(filename, str_key, keylen) && ((uint)filename_len == keylen
    2016          18 :                                                 || filename[keylen] == '/' || filename[keylen] == '\0')) {
    2017             :                                                 PHAR_STR_FREE(str_key);
    2018          10 :                                                 if (FAILURE == zend_hash_get_current_data(&cached_phars, (void **) &pphar)) {
    2019           0 :                                                         break;
    2020             :                                                 }
    2021          10 :                                                 *ext_str = filename + (keylen - (*pphar)->ext_len);
    2022          10 :                                                 goto woohoo;
    2023             :                                         }
    2024             :                                         PHAR_STR_FREE(str_key);
    2025           0 :                                         zend_hash_move_forward(&cached_phars);
    2026             :                                 }
    2027             :                         }
    2028             :                 }
    2029             :         }
    2030             : 
    2031        1061 :         pos = memchr(filename + 1, '.', filename_len);
    2032             : next_extension:
    2033        1081 :         if (!pos) {
    2034          18 :                 return FAILURE;
    2035             :         }
    2036             : 
    2037        2127 :         while (pos != filename && (*(pos - 1) == '/' || *(pos - 1) == '\0')) {
    2038           1 :                 pos = memchr(pos + 1, '.', filename_len - (pos - filename) + 1);
    2039           1 :                 if (!pos) {
    2040           0 :                         return FAILURE;
    2041             :                 }
    2042             :         }
    2043             : 
    2044        1063 :         slash = memchr(pos, '/', filename_len - (pos - filename));
    2045             : 
    2046        1063 :         if (!slash) {
    2047             :                 /* this is a url like "phar://blah.phar" with no directory */
    2048         957 :                 *ext_str = pos;
    2049         957 :                 *ext_len = strlen(pos);
    2050             : 
    2051             :                 /* file extension must contain "phar" */
    2052         957 :                 switch (phar_check_str(filename, *ext_str, *ext_len, executable, for_create TSRMLS_CC)) {
    2053             :                         case SUCCESS:
    2054         741 :                                 return SUCCESS;
    2055             :                         case FAILURE:
    2056             :                                 /* we are at the end of the string, so we fail */
    2057         216 :                                 return FAILURE;
    2058             :                 }
    2059             :         }
    2060             : 
    2061             :         /* we've found an extension that ends at a directory separator */
    2062         106 :         *ext_str = pos;
    2063         106 :         *ext_len = slash - pos;
    2064             : 
    2065         106 :         switch (phar_check_str(filename, *ext_str, *ext_len, executable, for_create TSRMLS_CC)) {
    2066             :                 case SUCCESS:
    2067          86 :                         return SUCCESS;
    2068             :                 case FAILURE:
    2069             :                         /* look for more extensions */
    2070          20 :                         pos = strchr(pos + 1, '.');
    2071          20 :                         if (pos) {
    2072          15 :                                 *ext_str = NULL;
    2073          15 :                                 *ext_len = 0;
    2074             :                         }
    2075          20 :                         goto next_extension;
    2076             :         }
    2077             : 
    2078           0 :         return FAILURE;
    2079             : }
    2080             : /* }}} */
    2081             : 
    2082        1463 : static int php_check_dots(const char *element, int n) /* {{{ */
    2083             : {
    2084        1485 :         for(n--; n >= 0; --n) {
    2085        1474 :                 if (element[n] != '.') {
    2086        1452 :                         return 1;
    2087             :                 }
    2088             :         }
    2089          11 :         return 0;
    2090             : }
    2091             : /* }}} */
    2092             : 
    2093             : #define IS_DIRECTORY_UP(element, len) \
    2094             :         (len >= 2 && !php_check_dots(element, len))
    2095             : 
    2096             : #define IS_DIRECTORY_CURRENT(element, len) \
    2097             :         (len == 1 && element[0] == '.')
    2098             : 
    2099             : #define IS_BACKSLASH(c) ((c) == '/')
    2100             : 
    2101             : #ifdef COMPILE_DL_PHAR
    2102             : /* stupid-ass non-extern declaration in tsrm_strtok.h breaks dumbass MS compiler */
    2103             : static inline int in_character_class(char ch, const char *delim) /* {{{ */
    2104             : {
    2105             :         while (*delim) {
    2106             :                 if (*delim == ch) {
    2107             :                         return 1;
    2108             :                 }
    2109             :                 ++delim;
    2110             :         }
    2111             :         return 0;
    2112             : }
    2113             : /* }}} */
    2114             : 
    2115             : char *tsrm_strtok_r(char *s, const char *delim, char **last) /* {{{ */
    2116             : {
    2117             :         char *token;
    2118             : 
    2119             :         if (s == NULL) {
    2120             :                 s = *last;
    2121             :         }
    2122             : 
    2123             :         while (*s && in_character_class(*s, delim)) {
    2124             :                 ++s;
    2125             :         }
    2126             : 
    2127             :         if (!*s) {
    2128             :                 return NULL;
    2129             :         }
    2130             : 
    2131             :         token = s;
    2132             : 
    2133             :         while (*s && !in_character_class(*s, delim)) {
    2134             :                 ++s;
    2135             :         }
    2136             : 
    2137             :         if (!*s) {
    2138             :                 *last = s;
    2139             :         } else {
    2140             :                 *s = '\0';
    2141             :                 *last = s + 1;
    2142             :         }
    2143             : 
    2144             :         return token;
    2145             : }
    2146             : /* }}} */
    2147             : #endif
    2148             : 
    2149             : /**
    2150             :  * Remove .. and . references within a phar filename
    2151             :  */
    2152        2133 : char *phar_fix_filepath(char *path, int *new_len, int use_cwd TSRMLS_DC) /* {{{ */
    2153             : {
    2154             :         char newpath[MAXPATHLEN];
    2155             :         int newpath_len;
    2156             :         char *ptr;
    2157             :         char *tok;
    2158        2133 :         int ptr_length, path_length = *new_len;
    2159             : 
    2160        2145 :         if (PHAR_G(cwd_len) && use_cwd && path_length > 2 && path[0] == '.' && path[1] == '/') {
    2161          12 :                 newpath_len = PHAR_G(cwd_len);
    2162          12 :                 memcpy(newpath, PHAR_G(cwd), newpath_len);
    2163             :         } else {
    2164        2121 :                 newpath[0] = '/';
    2165        2121 :                 newpath_len = 1;
    2166             :         }
    2167             : 
    2168        2133 :         ptr = path;
    2169             : 
    2170        2133 :         if (*ptr == '/') {
    2171        2073 :                 ++ptr;
    2172             :         }
    2173             : 
    2174        2133 :         tok = ptr;
    2175             : 
    2176             :         do {
    2177        2135 :                 ptr = memchr(ptr, '/', path_length - (ptr - path));
    2178        2135 :         } while (ptr && ptr - tok == 0 && *ptr == '/' && ++ptr && ++tok);
    2179             : 
    2180        2133 :         if (!ptr && (path_length - (tok - path))) {
    2181        1044 :                 switch (path_length - (tok - path)) {
    2182             :                         case 1:
    2183         481 :                                 if (*tok == '.') {
    2184           2 :                                         efree(path);
    2185           2 :                                         *new_len = 1;
    2186           2 :                                         return estrndup("/", 1);
    2187             :                                 }
    2188         479 :                                 break;
    2189             :                         case 2:
    2190          16 :                                 if (tok[0] == '.' && tok[1] == '.') {
    2191           0 :                                         efree(path);
    2192           0 :                                         *new_len = 1;
    2193           0 :                                         return estrndup("/", 1);
    2194             :                                 }
    2195             :                 }
    2196        1042 :                 return path;
    2197             :         }
    2198             : 
    2199        2590 :         while (ptr) {
    2200        1074 :                 ptr_length = ptr - tok;
    2201             : last_time:
    2202        1747 :                 if (IS_DIRECTORY_UP(tok, ptr_length)) {
    2203             : #define PREVIOUS newpath[newpath_len - 1]
    2204             : 
    2205          27 :                         while (newpath_len > 1 && !IS_BACKSLASH(PREVIOUS)) {
    2206           5 :                                 newpath_len--;
    2207             :                         }
    2208             : 
    2209          11 :                         if (newpath[0] != '/') {
    2210           0 :                                 newpath[newpath_len] = '\0';
    2211          11 :                         } else if (newpath_len > 1) {
    2212           0 :                                 --newpath_len;
    2213             :                         }
    2214        1725 :                 } else if (!IS_DIRECTORY_CURRENT(tok, ptr_length)) {
    2215        1713 :                         if (newpath_len > 1) {
    2216        1034 :                                 newpath[newpath_len++] = '/';
    2217        1034 :                                 memcpy(newpath + newpath_len, tok, ptr_length+1);
    2218             :                         } else {
    2219         679 :                                 memcpy(newpath + newpath_len, tok, ptr_length+1);
    2220             :                         }
    2221             : 
    2222        1713 :                         newpath_len += ptr_length;
    2223             :                 }
    2224             : 
    2225        1736 :                 if (ptr == path + path_length) {
    2226         662 :                         break;
    2227             :                 }
    2228             : 
    2229        1074 :                 tok = ++ptr;
    2230             : 
    2231             :                 do {
    2232        1075 :                         ptr = memchr(ptr, '/', path_length - (ptr - path));
    2233        1075 :                 } while (ptr && ptr - tok == 0 && *ptr == '/' && ++ptr && ++tok);
    2234             : 
    2235        1074 :                 if (!ptr && (path_length - (tok - path))) {
    2236         662 :                         ptr_length = path_length - (tok - path);
    2237         662 :                         ptr = path + path_length;
    2238         662 :                         goto last_time;
    2239             :                 }
    2240             :         }
    2241             : 
    2242        1089 :         efree(path);
    2243        1089 :         *new_len = newpath_len;
    2244        1089 :         return estrndup(newpath, newpath_len);
    2245             : }
    2246             : /* }}} */
    2247             : 
    2248             : /**
    2249             :  * Process a phar stream name, ensuring we can handle any of:
    2250             :  * 
    2251             :  * - whatever.phar
    2252             :  * - whatever.phar.gz
    2253             :  * - whatever.phar.bz2
    2254             :  * - whatever.phar.php
    2255             :  *
    2256             :  * Optionally the name might start with 'phar://'
    2257             :  *
    2258             :  * This is used by phar_parse_url()
    2259             :  */
    2260        2564 : int phar_split_fname(char *filename, int filename_len, char **arch, int *arch_len, char **entry, int *entry_len, int executable, int for_create TSRMLS_DC) /* {{{ */
    2261             : {
    2262             :         const char *ext_str;
    2263             : #ifdef PHP_WIN32
    2264             :         char *save;
    2265             : #endif
    2266        2564 :         int ext_len, free_filename = 0;
    2267             : 
    2268        2564 :         if (!strncasecmp(filename, "phar://", 7)) {
    2269        2116 :                 filename += 7;
    2270        2116 :                 filename_len -= 7;
    2271             :         }
    2272             : 
    2273        2564 :         ext_len = 0;
    2274             : #ifdef PHP_WIN32
    2275             :         free_filename = 1;
    2276             :         save = filename;
    2277             :         filename = estrndup(filename, filename_len);
    2278             :         phar_unixify_path_separators(filename, filename_len);
    2279             : #endif
    2280        2564 :         if (phar_detect_phar_fname_ext(filename, filename_len, &ext_str, &ext_len, executable, for_create, 0 TSRMLS_CC) == FAILURE) {
    2281          97 :                 if (ext_len != -1) {
    2282          34 :                         if (!ext_str) {
    2283             :                                 /* no / detected, restore arch for error message */
    2284             : #ifdef PHP_WIN32
    2285             :                                 *arch = save;
    2286             : #else
    2287          20 :                                 *arch = filename;
    2288             : #endif
    2289             :                         }
    2290             : 
    2291          34 :                         if (free_filename) {
    2292           0 :                                 efree(filename);
    2293             :                         }
    2294             : 
    2295          34 :                         return FAILURE;
    2296             :                 }
    2297             : 
    2298          63 :                 ext_len = 0;
    2299             :                 /* no extension detected - instead we are dealing with an alias */
    2300             :         }
    2301             : 
    2302        2530 :         *arch_len = ext_str - filename + ext_len;
    2303        2530 :         *arch = estrndup(filename, *arch_len);
    2304             : 
    2305        2530 :         if (ext_str[ext_len]) {
    2306        2073 :                 *entry_len = filename_len - *arch_len;
    2307        2073 :                 *entry = estrndup(ext_str+ext_len, *entry_len);
    2308             : #ifdef PHP_WIN32
    2309             :                 phar_unixify_path_separators(*entry, *entry_len);
    2310             : #endif
    2311        2073 :                 *entry = phar_fix_filepath(*entry, entry_len, 0 TSRMLS_CC);
    2312             :         } else {
    2313         457 :                 *entry_len = 1;
    2314         457 :                 *entry = estrndup("/", 1);
    2315             :         }
    2316             : 
    2317        2530 :         if (free_filename) {
    2318           0 :                 efree(filename);
    2319             :         }
    2320             : 
    2321        2530 :         return SUCCESS;
    2322             : }
    2323             : /* }}} */
    2324             : 
    2325             : /**
    2326             :  * Invoked when a user calls Phar::mapPhar() from within an executing .phar
    2327             :  * to set up its manifest directly
    2328             :  */
    2329         134 : int phar_open_executed_filename(char *alias, int alias_len, char **error TSRMLS_DC) /* {{{ */
    2330             : {
    2331             :         char *fname;
    2332             :         zval *halt_constant;
    2333             :         php_stream *fp;
    2334             :         int fname_len;
    2335         134 :         char *actual = NULL;
    2336             :         int ret;
    2337             : 
    2338         134 :         if (error) {
    2339         134 :                 *error = NULL;
    2340             :         }
    2341             : 
    2342         134 :         fname = zend_get_executed_filename(TSRMLS_C);
    2343         134 :         fname_len = strlen(fname);
    2344             : 
    2345         134 :         if (phar_open_parsed_phar(fname, fname_len, alias, alias_len, 0, REPORT_ERRORS, NULL, 0 TSRMLS_CC) == SUCCESS) {
    2346          61 :                 return SUCCESS;
    2347             :         }
    2348             : 
    2349          73 :         if (!strcmp(fname, "[no active file]")) {
    2350           0 :                 if (error) {
    2351           0 :                         spprintf(error, 0, "cannot initialize a phar outside of PHP execution");
    2352             :                 }
    2353           0 :                 return FAILURE;
    2354             :         }
    2355             : 
    2356          73 :         MAKE_STD_ZVAL(halt_constant);
    2357             : 
    2358          73 :         if (0 == zend_get_constant("__COMPILER_HALT_OFFSET__", 24, halt_constant TSRMLS_CC)) {
    2359           1 :                 FREE_ZVAL(halt_constant);
    2360           1 :                 if (error) {
    2361           1 :                         spprintf(error, 0, "__HALT_COMPILER(); must be declared in a phar");
    2362             :                 }
    2363           1 :                 return FAILURE;
    2364             :         }
    2365             : 
    2366          72 :         FREE_ZVAL(halt_constant);
    2367             : 
    2368             : #if PHP_API_VERSION < 20100412
    2369          72 :         if (PG(safe_mode) && (!php_checkuid(fname, NULL, CHECKUID_ALLOW_ONLY_FILE))) {
    2370           0 :                 return FAILURE;
    2371             :         }
    2372             : #endif
    2373             : 
    2374          72 :         if (php_check_open_basedir(fname TSRMLS_CC)) {
    2375           0 :                 return FAILURE;
    2376             :         }
    2377             : 
    2378          72 :         fp = php_stream_open_wrapper(fname, "rb", IGNORE_URL|STREAM_MUST_SEEK|REPORT_ERRORS, &actual);
    2379             : 
    2380          72 :         if (!fp) {
    2381           0 :                 if (error) {
    2382           0 :                         spprintf(error, 0, "unable to open phar for reading \"%s\"", fname);
    2383             :                 }
    2384           0 :                 if (actual) {
    2385           0 :                         efree(actual);
    2386             :                 }
    2387           0 :                 return FAILURE;
    2388             :         }
    2389             : 
    2390          72 :         if (actual) {
    2391          72 :                 fname = actual;
    2392          72 :                 fname_len = strlen(actual);
    2393             :         }
    2394             : 
    2395          72 :         ret = phar_open_from_fp(fp, fname, fname_len, alias, alias_len, REPORT_ERRORS, NULL, 0, error TSRMLS_CC);
    2396             : 
    2397          72 :         if (actual) {
    2398          72 :                 efree(actual);
    2399             :         }
    2400             : 
    2401          72 :         return ret;
    2402             : }
    2403             : /* }}} */
    2404             : 
    2405             : /**
    2406             :  * Validate the CRC32 of a file opened from within the phar
    2407             :  */
    2408        1245 : int phar_postprocess_file(phar_entry_data *idata, php_uint32 crc32, char **error, int process_zip TSRMLS_DC) /* {{{ */
    2409             : {
    2410        1245 :         php_uint32 crc = ~0;
    2411        1245 :         int len = idata->internal_file->uncompressed_filesize;
    2412        1245 :         php_stream *fp = idata->fp;
    2413        1245 :         phar_entry_info *entry = idata->internal_file;
    2414             : 
    2415        1245 :         if (error) {
    2416        1245 :                 *error = NULL;
    2417             :         }
    2418             : 
    2419        1245 :         if (entry->is_zip && process_zip > 0) {
    2420             :                 /* verify local file header */
    2421             :                 phar_zip_file_header local;
    2422             :                 phar_zip_data_desc desc;
    2423             : 
    2424         175 :                 if (SUCCESS != phar_open_archive_fp(idata->phar TSRMLS_CC)) {
    2425           0 :                         spprintf(error, 0, "phar error: unable to open zip-based phar archive \"%s\" to verify local file header for file \"%s\"", idata->phar->fname, entry->filename);
    2426           0 :                         return FAILURE;
    2427             :                 }
    2428         175 :                 php_stream_seek(phar_get_entrypfp(idata->internal_file TSRMLS_CC), entry->header_offset, SEEK_SET);
    2429             : 
    2430         175 :                 if (sizeof(local) != php_stream_read(phar_get_entrypfp(idata->internal_file TSRMLS_CC), (char *) &local, sizeof(local))) {
    2431             : 
    2432           0 :                         spprintf(error, 0, "phar error: internal corruption of zip-based phar \"%s\" (cannot read local file header for file \"%s\")", idata->phar->fname, entry->filename);
    2433           0 :                         return FAILURE;
    2434             :                 }
    2435             : 
    2436             :                 /* check for data descriptor */
    2437         175 :                 if (((PHAR_ZIP_16(local.flags)) & 0x8) == 0x8) {
    2438           1 :                         php_stream_seek(phar_get_entrypfp(idata->internal_file TSRMLS_CC),
    2439             :                                         entry->header_offset + sizeof(local) +
    2440             :                                         PHAR_ZIP_16(local.filename_len) +
    2441             :                                         PHAR_ZIP_16(local.extra_len) +
    2442             :                                         entry->compressed_filesize, SEEK_SET);
    2443           1 :                         if (sizeof(desc) != php_stream_read(phar_get_entrypfp(idata->internal_file TSRMLS_CC),
    2444             :                                                             (char *) &desc, sizeof(desc))) {
    2445           0 :                                 spprintf(error, 0, "phar error: internal corruption of zip-based phar \"%s\" (cannot read local data descriptor for file \"%s\")", idata->phar->fname, entry->filename);
    2446           0 :                                 return FAILURE;
    2447             :                         }
    2448           2 :                         if (desc.signature[0] == 'P' && desc.signature[1] == 'K') {
    2449           1 :                                 memcpy(&(local.crc32), &(desc.crc32), 12);
    2450             :                         } else {
    2451             :                                 /* old data descriptors have no signature */
    2452           0 :                                 memcpy(&(local.crc32), &desc, 12);
    2453             :                         }
    2454             :                 }
    2455             :                 /* verify local header */
    2456         175 :                 if (entry->filename_len != PHAR_ZIP_16(local.filename_len) || entry->crc32 != PHAR_ZIP_32(local.crc32) || entry->uncompressed_filesize != PHAR_ZIP_32(local.uncompsize) || entry->compressed_filesize != PHAR_ZIP_32(local.compsize)) {
    2457           0 :                         spprintf(error, 0, "phar error: internal corruption of zip-based phar \"%s\" (local header of file \"%s\" does not match central directory)", idata->phar->fname, entry->filename);
    2458           0 :                         return FAILURE;
    2459             :                 }
    2460             : 
    2461             :                 /* construct actual offset to file start - local extra_len can be different from central extra_len */
    2462         175 :                 entry->offset = entry->offset_abs =
    2463         175 :                         sizeof(local) + entry->header_offset + PHAR_ZIP_16(local.filename_len) + PHAR_ZIP_16(local.extra_len);
    2464             : 
    2465         175 :                 if (idata->zero && idata->zero != entry->offset_abs) {
    2466           2 :                         idata->zero = entry->offset_abs;
    2467             :                 }
    2468             :         }
    2469             : 
    2470        1245 :         if (process_zip == 1) {
    2471        1055 :                 return SUCCESS;
    2472             :         }
    2473             : 
    2474         190 :         php_stream_seek(fp, idata->zero, SEEK_SET);
    2475             : 
    2476       17984 :         while (len--) {
    2477       17604 :                 CRC32(crc, php_stream_getc(fp));
    2478             :         }
    2479             : 
    2480         190 :         php_stream_seek(fp, idata->zero, SEEK_SET);
    2481             : 
    2482         190 :         if (~crc == crc32) {
    2483         188 :                 entry->is_crc_checked = 1;
    2484         188 :                 return SUCCESS;
    2485             :         } else {
    2486           2 :                 spprintf(error, 0, "phar error: internal corruption of phar \"%s\" (crc32 mismatch on file \"%s\")", idata->phar->fname, entry->filename);
    2487           2 :                 return FAILURE;
    2488             :         }
    2489             : }
    2490             : /* }}} */
    2491             : 
    2492       81054 : static inline void phar_set_32(char *buffer, int var) /* {{{ */
    2493             : {
    2494             : #ifdef WORDS_BIGENDIAN
    2495             :         *((buffer) + 3) = (unsigned char) (((var) >> 24) & 0xFF);
    2496             :         *((buffer) + 2) = (unsigned char) (((var) >> 16) & 0xFF);
    2497             :         *((buffer) + 1) = (unsigned char) (((var) >> 8) & 0xFF);
    2498             :         *((buffer) + 0) = (unsigned char) ((var) & 0xFF);
    2499             : #else
    2500       81054 :          memcpy(buffer, &var, sizeof(var));
    2501             : #endif
    2502       81054 : } /* }}} */
    2503             : 
    2504        7827 : static int phar_flush_clean_deleted_apply(void *data TSRMLS_DC) /* {{{ */
    2505             : {
    2506        7827 :         phar_entry_info *entry = (phar_entry_info *)data;
    2507             : 
    2508        7827 :         if (entry->fp_refcount <= 0 && entry->is_deleted) {
    2509          10 :                 return ZEND_HASH_APPLY_REMOVE;
    2510             :         } else {
    2511        7817 :                 return ZEND_HASH_APPLY_KEEP;
    2512             :         }
    2513             : }
    2514             : /* }}} */
    2515             : 
    2516             : #include "stub.h"
    2517             : 
    2518          97 : char *phar_create_default_stub(const char *index_php, const char *web_index, size_t *len, char **error TSRMLS_DC) /* {{{ */
    2519             : {
    2520          97 :         char *stub = NULL;
    2521             :         int index_len, web_len;
    2522             :         size_t dummy;
    2523             : 
    2524          97 :         if (!len) {
    2525           0 :                 len = &dummy;
    2526             :         }
    2527             : 
    2528          97 :         if (error) {
    2529          16 :                 *error = NULL;
    2530             :         }
    2531             : 
    2532          97 :         if (!index_php) {
    2533          87 :                 index_php = "index.php";
    2534             :         }
    2535             : 
    2536          97 :         if (!web_index) {
    2537          93 :                 web_index = "index.php";
    2538             :         }
    2539             : 
    2540          97 :         index_len = strlen(index_php);
    2541          97 :         web_len = strlen(web_index);
    2542             : 
    2543          97 :         if (index_len > 400) {
    2544             :                 /* ridiculous size not allowed for index.php startup filename */
    2545           2 :                 if (error) {
    2546           2 :                         spprintf(error, 0, "Illegal filename passed in for stub creation, was %d characters long, and only 400 or less is allowed", index_len);
    2547           2 :                         return NULL;
    2548             :                 }
    2549             :         }
    2550             : 
    2551          95 :         if (web_len > 400) {
    2552             :                 /* ridiculous size not allowed for index.php startup filename */
    2553           1 :                 if (error) {
    2554           1 :                         spprintf(error, 0, "Illegal web filename passed in for stub creation, was %d characters long, and only 400 or less is allowed", web_len);
    2555           1 :                         return NULL;
    2556             :                 }
    2557             :         }
    2558             : 
    2559          94 :         phar_get_stub(index_php, web_index, len, &stub, index_len+1, web_len+1 TSRMLS_CC);
    2560          94 :         return stub;
    2561             : }
    2562             : /* }}} */
    2563             : 
    2564             : /**
    2565             :  * Save phar contents to disk
    2566             :  *
    2567             :  * user_stub contains either a string, or a resource pointer, if len is a negative length.
    2568             :  * user_stub and len should be both 0 if the default or existing stub should be used
    2569             :  */
    2570        4806 : int phar_flush(phar_archive_data *phar, char *user_stub, long len, int convert, char **error TSRMLS_DC) /* {{{ */
    2571             : {
    2572        4806 :         char halt_stub[] = "__HALT_COMPILER();";
    2573             :         char *newstub, *tmp;
    2574             :         phar_entry_info *entry, *newentry;
    2575        4806 :         int halt_offset, restore_alias_len, global_flags = 0, closeoldfile;
    2576        4806 :         char *pos, has_dirs = 0;
    2577             :         char manifest[18], entry_buffer[24];
    2578             :         off_t manifest_ftell;
    2579             :         long offset;
    2580             :         size_t wrote;
    2581             :         php_uint32 manifest_len, mytime, loc, new_manifest_count;
    2582             :         php_uint32 newcrc32;
    2583             :         php_stream *file, *oldfile, *newfile, *stubfile;
    2584             :         php_stream_filter *filter;
    2585             :         php_serialize_data_t metadata_hash;
    2586        4806 :         smart_str main_metadata_str = {0};
    2587        4806 :         int free_user_stub, free_fp = 1, free_ufp = 1;
    2588             : 
    2589        4806 :         if (phar->is_persistent) {
    2590           0 :                 if (error) {
    2591           0 :                         spprintf(error, 0, "internal error: attempt to flush cached zip-based phar \"%s\"", phar->fname);
    2592             :                 }
    2593           0 :                 return EOF;
    2594             :         }
    2595             : 
    2596        4806 :         if (error) {
    2597        4806 :                 *error = NULL;
    2598             :         }
    2599             : 
    2600        4806 :         if (!zend_hash_num_elements(&phar->manifest) && !user_stub) {
    2601          14 :                 return EOF;
    2602             :         }
    2603             : 
    2604        4792 :         zend_hash_clean(&phar->virtual_dirs);
    2605             : 
    2606        4792 :         if (phar->is_zip) {
    2607         203 :                 return phar_zip_flush(phar, user_stub, len, convert, error TSRMLS_CC);
    2608             :         }
    2609             : 
    2610        4589 :         if (phar->is_tar) {
    2611         193 :                 return phar_tar_flush(phar, user_stub, len, convert, error TSRMLS_CC);
    2612             :         }
    2613             : 
    2614        4396 :         if (PHAR_G(readonly)) {
    2615           0 :                 return EOF;
    2616             :         }
    2617             : 
    2618        8707 :         if (phar->fp && !phar->is_brandnew) {
    2619        4311 :                 oldfile = phar->fp;
    2620        4311 :                 closeoldfile = 0;
    2621        4311 :                 php_stream_rewind(oldfile);
    2622             :         } else {
    2623          85 :                 oldfile = php_stream_open_wrapper(phar->fname, "rb", 0, NULL);
    2624          85 :                 closeoldfile = oldfile != NULL;
    2625             :         }
    2626        4396 :         newfile = php_stream_fopen_tmpfile();
    2627        4396 :         if (!newfile) {
    2628           0 :                 if (error) {
    2629           0 :                         spprintf(error, 0, "unable to create temporary file");
    2630             :                 }
    2631           0 :                 if (closeoldfile) {
    2632           0 :                         php_stream_close(oldfile);
    2633             :                 }
    2634           0 :                 return EOF;
    2635             :         }
    2636             : 
    2637        4396 :         if (user_stub) {
    2638          29 :                 if (len < 0) {
    2639             :                         /* resource passed in */
    2640           4 :                         if (!(php_stream_from_zval_no_verify(stubfile, (zval **)user_stub))) {
    2641           0 :                                 if (closeoldfile) {
    2642           0 :                                         php_stream_close(oldfile);
    2643             :                                 }
    2644           0 :                                 php_stream_close(newfile);
    2645           0 :                                 if (error) {
    2646           0 :                                         spprintf(error, 0, "unable to access resource to copy stub to new phar \"%s\"", phar->fname);
    2647             :                                 }
    2648           0 :                                 return EOF;
    2649             :                         }
    2650           4 :                         if (len == -1) {
    2651           3 :                                 len = PHP_STREAM_COPY_ALL;
    2652             :                         } else {
    2653           1 :                                 len = -len;
    2654             :                         }
    2655           4 :                         user_stub = 0;
    2656             : 
    2657           4 :                         if (!(len = php_stream_copy_to_mem(stubfile, &user_stub, len, 0)) || !user_stub) {
    2658           0 :                                 if (closeoldfile) {
    2659           0 :                                         php_stream_close(oldfile);
    2660             :                                 }
    2661           0 :                                 php_stream_close(newfile);
    2662           0 :                                 if (error) {
    2663           0 :                                         spprintf(error, 0, "unable to read resource to copy stub to new phar \"%s\"", phar->fname);
    2664             :                                 }
    2665           0 :                                 return EOF;
    2666             :                         }
    2667           4 :                         free_user_stub = 1;
    2668             :                 } else {
    2669          25 :                         free_user_stub = 0;
    2670             :                 }
    2671          29 :                 tmp = estrndup(user_stub, len);
    2672          29 :                 if ((pos = php_stristr(tmp, halt_stub, len, sizeof(halt_stub) - 1)) == NULL) {
    2673           1 :                         efree(tmp);
    2674           1 :                         if (closeoldfile) {
    2675           0 :                                 php_stream_close(oldfile);
    2676             :                         }
    2677           1 :                         php_stream_close(newfile);
    2678           1 :                         if (error) {
    2679           1 :                                 spprintf(error, 0, "illegal stub for phar \"%s\"", phar->fname);
    2680             :                         }
    2681           1 :                         if (free_user_stub) {
    2682           0 :                                 efree(user_stub);
    2683             :                         }
    2684           1 :                         return EOF;
    2685             :                 }
    2686          28 :                 pos = user_stub + (pos - tmp);
    2687          28 :                 efree(tmp);
    2688          28 :                 len = pos - user_stub + 18;
    2689          56 :                 if ((size_t)len != php_stream_write(newfile, user_stub, len)
    2690          56 :                 ||                        5 != php_stream_write(newfile, " ?>\r\n", 5)) {
    2691           0 :                         if (closeoldfile) {
    2692           0 :                                 php_stream_close(oldfile);
    2693             :                         }
    2694           0 :                         php_stream_close(newfile);
    2695           0 :                         if (error) {
    2696           0 :                                 spprintf(error, 0, "unable to create stub from string in new phar \"%s\"", phar->fname);
    2697             :                         }
    2698           0 :                         if (free_user_stub) {
    2699           0 :                                 efree(user_stub);
    2700             :                         }
    2701           0 :                         return EOF;
    2702             :                 }
    2703          28 :                 phar->halt_offset = len + 5;
    2704          28 :                 if (free_user_stub) {
    2705           4 :                         efree(user_stub);
    2706             :                 }
    2707             :         } else {
    2708             :                 size_t written;
    2709             : 
    2710        8653 :                 if (!user_stub && phar->halt_offset && oldfile && !phar->is_brandnew) {
    2711        4286 :                         phar_stream_copy_to_stream(oldfile, newfile, phar->halt_offset, &written);
    2712        4286 :                         newstub = NULL;
    2713             :                 } else {
    2714             :                         /* this is either a brand new phar or a default stub overwrite */
    2715          81 :                         newstub = phar_create_default_stub(NULL, NULL, &(phar->halt_offset), NULL TSRMLS_CC);
    2716          81 :                         written = php_stream_write(newfile, newstub, phar->halt_offset);
    2717             :                 }
    2718        4367 :                 if (phar->halt_offset != written) {
    2719           0 :                         if (closeoldfile) {
    2720           0 :                                 php_stream_close(oldfile);
    2721             :                         }
    2722           0 :                         php_stream_close(newfile);
    2723           0 :                         if (error) {
    2724           0 :                                 if (newstub) {
    2725           0 :                                         spprintf(error, 0, "unable to create stub in new phar \"%s\"", phar->fname);
    2726             :                                 } else {
    2727           0 :                                         spprintf(error, 0, "unable to copy stub of old phar to new phar \"%s\"", phar->fname);
    2728             :                                 }
    2729             :                         }
    2730           0 :                         if (newstub) {
    2731           0 :                                 efree(newstub);
    2732             :                         }
    2733           0 :                         return EOF;
    2734             :                 }
    2735        4367 :                 if (newstub) {
    2736          81 :                         efree(newstub);
    2737             :                 }
    2738             :         }
    2739        4395 :         manifest_ftell = php_stream_tell(newfile);
    2740        4395 :         halt_offset = manifest_ftell;
    2741             : 
    2742             :         /* Check whether we can get rid of some of the deleted entries which are
    2743             :          * unused. However some might still be in use so even after this clean-up
    2744             :          * we need to skip entries marked is_deleted. */
    2745        4395 :         zend_hash_apply(&phar->manifest, phar_flush_clean_deleted_apply TSRMLS_CC);
    2746             : 
    2747             :         /* compress as necessary, calculate crcs, serialize meta-data, manifest size, and file sizes */
    2748        4395 :         main_metadata_str.c = 0;
    2749        4395 :         if (phar->metadata) {
    2750          13 :                 PHP_VAR_SERIALIZE_INIT(metadata_hash);
    2751          13 :                 php_var_serialize(&main_metadata_str, &phar->metadata, &metadata_hash TSRMLS_CC);
    2752          13 :                 PHP_VAR_SERIALIZE_DESTROY(metadata_hash);
    2753             :         } else {
    2754        4382 :                 main_metadata_str.len = 0;
    2755             :         }
    2756        4395 :         new_manifest_count = 0;
    2757        4395 :         offset = 0;
    2758       16607 :         for (zend_hash_internal_pointer_reset(&phar->manifest);
    2759       12212 :                 zend_hash_has_more_elements(&phar->manifest) == SUCCESS;
    2760        7817 :                 zend_hash_move_forward(&phar->manifest)) {
    2761        7817 :                 if (zend_hash_get_current_data(&phar->manifest, (void **)&entry) == FAILURE) {
    2762           0 :                         continue;
    2763             :                 }
    2764        7817 :                 if (entry->cfp) {
    2765             :                         /* did we forget to get rid of cfp last time? */
    2766           0 :                         php_stream_close(entry->cfp);
    2767           0 :                         entry->cfp = 0;
    2768             :                 }
    2769        7817 :                 if (entry->is_deleted || entry->is_mounted) {
    2770             :                         /* remove this from the new phar */
    2771           5 :                         continue;
    2772             :                 }
    2773        7812 :                 if (!entry->is_modified && entry->fp_refcount) {
    2774             :                         /* open file pointers refer to this fp, do not free the stream */
    2775           2 :                         switch (entry->fp_type) {
    2776             :                                 case PHAR_FP:
    2777           2 :                                         free_fp = 0;
    2778           2 :                                         break;
    2779             :                                 case PHAR_UFP:
    2780           0 :                                         free_ufp = 0;
    2781             :                                 default:
    2782             :                                         break;
    2783             :                         }
    2784             :                 }
    2785             :                 /* after excluding deleted files, calculate manifest size in bytes and number of entries */
    2786        7812 :                 ++new_manifest_count;
    2787        7812 :                 phar_add_virtual_dirs(phar, entry->filename, entry->filename_len TSRMLS_CC);
    2788             : 
    2789        7812 :                 if (entry->is_dir) {
    2790             :                         /* we use this to calculate API version, 1.1.1 is used for phars with directories */
    2791          31 :                         has_dirs = 1;
    2792             :                 }
    2793        7812 :                 if (entry->metadata) {
    2794          78 :                         if (entry->metadata_str.c) {
    2795          53 :                                 smart_str_free(&entry->metadata_str);
    2796             :                         }
    2797          78 :                         entry->metadata_str.c = 0;
    2798          78 :                         entry->metadata_str.len = 0;
    2799          78 :                         PHP_VAR_SERIALIZE_INIT(metadata_hash);
    2800          78 :                         php_var_serialize(&entry->metadata_str, &entry->metadata, &metadata_hash TSRMLS_CC);
    2801          78 :                         PHP_VAR_SERIALIZE_DESTROY(metadata_hash);
    2802             :                 } else {
    2803        7734 :                         if (entry->metadata_str.c) {
    2804           2 :                                 smart_str_free(&entry->metadata_str);
    2805             :                         }
    2806        7734 :                         entry->metadata_str.c = 0;
    2807        7734 :                         entry->metadata_str.len = 0;
    2808             :                 }
    2809             : 
    2810             :                 /* 32 bits for filename length, length of filename, manifest + metadata, and add 1 for trailing / if a directory */
    2811        7812 :                 offset += 4 + entry->filename_len + sizeof(entry_buffer) + entry->metadata_str.len + (entry->is_dir ? 1 : 0);
    2812             : 
    2813             :                 /* compress and rehash as necessary */
    2814        7812 :                 if ((oldfile && !entry->is_modified) || entry->is_dir) {
    2815         401 :                         if (entry->fp_type == PHAR_UFP) {
    2816             :                                 /* reset so we can copy the compressed data over */
    2817           1 :                                 entry->fp_type = PHAR_FP;
    2818             :                         }
    2819         401 :                         continue;
    2820             :                 }
    2821        7411 :                 if (!phar_get_efp(entry, 0 TSRMLS_CC)) {
    2822             :                         /* re-open internal file pointer just-in-time */
    2823           1 :                         newentry = phar_open_jit(phar, entry, error TSRMLS_CC);
    2824           1 :                         if (!newentry) {
    2825             :                                 /* major problem re-opening, so we ignore this file and the error */
    2826           1 :                                 efree(*error);
    2827           1 :                                 *error = NULL;
    2828           1 :                                 continue;
    2829             :                         }
    2830           0 :                         entry = newentry;
    2831             :                 }
    2832        7410 :                 file = phar_get_efp(entry, 0 TSRMLS_CC);
    2833        7410 :                 if (-1 == phar_seek_efp(entry, 0, SEEK_SET, 0, 1 TSRMLS_CC)) {
    2834           0 :                         if (closeoldfile) {
    2835           0 :                                 php_stream_close(oldfile);
    2836             :                         }
    2837           0 :                         php_stream_close(newfile);
    2838           0 :                         if (error) {
    2839           0 :                                 spprintf(error, 0, "unable to seek to start of file \"%s\" while creating new phar \"%s\"", entry->filename, phar->fname);
    2840             :                         }
    2841           0 :                         return EOF;
    2842             :                 }
    2843        7410 :                 newcrc32 = ~0;
    2844        7410 :                 mytime = entry->uncompressed_filesize;
    2845       99337 :                 for (loc = 0;loc < mytime; ++loc) {
    2846       91927 :                         CRC32(newcrc32, php_stream_getc(file));
    2847             :                 }
    2848        7410 :                 entry->crc32 = ~newcrc32;
    2849        7410 :                 entry->is_crc_checked = 1;
    2850        7410 :                 if (!(entry->flags & PHAR_ENT_COMPRESSION_MASK)) {
    2851             :                         /* not compressed */
    2852        7379 :                         entry->compressed_filesize = entry->uncompressed_filesize;
    2853        7379 :                         continue;
    2854             :                 }
    2855          31 :                 filter = php_stream_filter_create(phar_compress_filter(entry, 0), NULL, 0 TSRMLS_CC);
    2856          31 :                 if (!filter) {
    2857           0 :                         if (closeoldfile) {
    2858           0 :                                 php_stream_close(oldfile);
    2859             :                         }
    2860           0 :                         php_stream_close(newfile);
    2861           0 :                         if (entry->flags & PHAR_ENT_COMPRESSED_GZ) {
    2862           0 :                                 if (error) {
    2863           0 :                                         spprintf(error, 0, "unable to gzip compress file \"%s\" to new phar \"%s\"", entry->filename, phar->fname);
    2864             :                                 }
    2865             :                         } else {
    2866           0 :                                 if (error) {
    2867           0 :                                         spprintf(error, 0, "unable to bzip2 compress file \"%s\" to new phar \"%s\"", entry->filename, phar->fname);
    2868             :                                 }
    2869             :                         }
    2870           0 :                         return EOF;
    2871             :                 }
    2872             : 
    2873             :                 /* create new file that holds the compressed version */
    2874             :                 /* work around inability to specify freedom in write and strictness
    2875             :                 in read count */
    2876          31 :                 entry->cfp = php_stream_fopen_tmpfile();
    2877          31 :                 if (!entry->cfp) {
    2878           0 :                         if (error) {
    2879           0 :                                 spprintf(error, 0, "unable to create temporary file");
    2880             :                         }
    2881           0 :                         if (closeoldfile) {
    2882           0 :                                 php_stream_close(oldfile);
    2883             :                         }
    2884           0 :                         php_stream_close(newfile);
    2885           0 :                         return EOF;
    2886             :                 }
    2887          31 :                 php_stream_flush(file);
    2888          31 :                 if (-1 == phar_seek_efp(entry, 0, SEEK_SET, 0, 0 TSRMLS_CC)) {
    2889           0 :                         if (closeoldfile) {
    2890           0 :                                 php_stream_close(oldfile);
    2891             :                         }
    2892           0 :                         php_stream_close(newfile);
    2893           0 :                         if (error) {
    2894           0 :                                 spprintf(error, 0, "unable to seek to start of file \"%s\" while creating new phar \"%s\"", entry->filename, phar->fname);
    2895             :                         }
    2896           0 :                         return EOF;
    2897             :                 }
    2898          31 :                 php_stream_filter_append((&entry->cfp->writefilters), filter);
    2899          31 :                 if (SUCCESS != phar_stream_copy_to_stream(file, entry->cfp, entry->uncompressed_filesize, NULL)) {
    2900           0 :                         if (closeoldfile) {
    2901           0 :                                 php_stream_close(oldfile);
    2902             :                         }
    2903           0 :                         php_stream_close(newfile);
    2904           0 :                         if (error) {
    2905           0 :                                 spprintf(error, 0, "unable to copy compressed file contents of file \"%s\" while creating new phar \"%s\"", entry->filename, phar->fname);
    2906             :                         }
    2907           0 :                         return EOF;
    2908             :                 }
    2909          31 :                 php_stream_filter_flush(filter, 1);
    2910          31 :                 php_stream_flush(entry->cfp);
    2911          31 :                 php_stream_filter_remove(filter, 1 TSRMLS_CC);
    2912          31 :                 php_stream_seek(entry->cfp, 0, SEEK_END);
    2913          31 :                 entry->compressed_filesize = (php_uint32) php_stream_tell(entry->cfp);
    2914             :                 /* generate crc on compressed file */
    2915          31 :                 php_stream_rewind(entry->cfp);
    2916          31 :                 entry->old_flags = entry->flags;
    2917          31 :                 entry->is_modified = 1;
    2918          31 :                 global_flags |= (entry->flags & PHAR_ENT_COMPRESSION_MASK);
    2919             :         }
    2920        4395 :         global_flags |= PHAR_HDR_SIGNATURE;
    2921             : 
    2922             :         /* write out manifest pre-header */
    2923             :         /*  4: manifest length
    2924             :          *  4: manifest entry count
    2925             :          *  2: phar version
    2926             :          *  4: phar global flags
    2927             :          *  4: alias length
    2928             :          *  ?: the alias itself
    2929             :          *  4: phar metadata length
    2930             :          *  ?: phar metadata
    2931             :          */
    2932        4395 :         restore_alias_len = phar->alias_len;
    2933        4395 :         if (phar->is_temporary_alias) {
    2934         191 :                 phar->alias_len = 0;
    2935             :         }
    2936             : 
    2937        4395 :         manifest_len = offset + phar->alias_len + sizeof(manifest) + main_metadata_str.len;
    2938        4395 :         phar_set_32(manifest, manifest_len);
    2939        4395 :         phar_set_32(manifest+4, new_manifest_count);
    2940        4395 :         if (has_dirs) {
    2941          30 :                 *(manifest + 8) = (unsigned char) (((PHAR_API_VERSION) >> 8) & 0xFF);
    2942          30 :                 *(manifest + 9) = (unsigned char) (((PHAR_API_VERSION) & 0xF0));
    2943             :         } else {
    2944        4365 :                 *(manifest + 8) = (unsigned char) (((PHAR_API_VERSION_NODIR) >> 8) & 0xFF);
    2945        4365 :                 *(manifest + 9) = (unsigned char) (((PHAR_API_VERSION_NODIR) & 0xF0));
    2946             :         }
    2947        4395 :         phar_set_32(manifest+10, global_flags);
    2948        4395 :         phar_set_32(manifest+14, phar->alias_len);
    2949             : 
    2950             :         /* write the manifest header */
    2951        8790 :         if (sizeof(manifest) != php_stream_write(newfile, manifest, sizeof(manifest))
    2952        8790 :         || (size_t)phar->alias_len != php_stream_write(newfile, phar->alias, phar->alias_len)) {
    2953             : 
    2954           0 :                 if (closeoldfile) {
    2955           0 :                         php_stream_close(oldfile);
    2956             :                 }
    2957             : 
    2958           0 :                 php_stream_close(newfile);
    2959           0 :                 phar->alias_len = restore_alias_len;
    2960             : 
    2961           0 :                 if (error) {
    2962           0 :                         spprintf(error, 0, "unable to write manifest header of new phar \"%s\"", phar->fname);
    2963             :                 }
    2964             : 
    2965           0 :                 return EOF;
    2966             :         }
    2967             : 
    2968        4395 :         phar->alias_len = restore_alias_len;
    2969             : 
    2970        4395 :         phar_set_32(manifest, main_metadata_str.len);
    2971        8803 :         if (4 != php_stream_write(newfile, manifest, 4) || (main_metadata_str.len
    2972        4408 :         && main_metadata_str.len != php_stream_write(newfile, main_metadata_str.c, main_metadata_str.len))) {
    2973           0 :                 smart_str_free(&main_metadata_str);
    2974             : 
    2975           0 :                 if (closeoldfile) {
    2976           0 :                         php_stream_close(oldfile);
    2977             :                 }
    2978             : 
    2979           0 :                 php_stream_close(newfile);
    2980           0 :                 phar->alias_len = restore_alias_len;
    2981             : 
    2982           0 :                 if (error) {
    2983           0 :                         spprintf(error, 0, "unable to write manifest meta-data of new phar \"%s\"", phar->fname);
    2984             :                 }
    2985             : 
    2986           0 :                 return EOF;
    2987             :         }
    2988        4395 :         smart_str_free(&main_metadata_str);
    2989             : 
    2990             :         /* re-calculate the manifest location to simplify later code */
    2991        4395 :         manifest_ftell = php_stream_tell(newfile);
    2992             : 
    2993             :         /* now write the manifest */
    2994       16607 :         for (zend_hash_internal_pointer_reset(&phar->manifest);
    2995       12212 :                 zend_hash_has_more_elements(&phar->manifest) == SUCCESS;
    2996        7817 :                 zend_hash_move_forward(&phar->manifest)) {
    2997             : 
    2998        7817 :                 if (zend_hash_get_current_data(&phar->manifest, (void **)&entry) == FAILURE) {
    2999           0 :                         continue;
    3000             :                 }
    3001             : 
    3002        7817 :                 if (entry->is_deleted || entry->is_mounted) {
    3003             :                         /* remove this from the new phar if deleted, ignore if mounted */
    3004           5 :                         continue;
    3005             :                 }
    3006             : 
    3007        7812 :                 if (entry->is_dir) {
    3008             :                         /* add 1 for trailing slash */
    3009          31 :                         phar_set_32(entry_buffer, entry->filename_len + 1);
    3010             :                 } else {
    3011        7781 :                         phar_set_32(entry_buffer, entry->filename_len);
    3012             :                 }
    3013             : 
    3014       23467 :                 if (4 != php_stream_write(newfile, entry_buffer, 4)
    3015       31248 :                 || entry->filename_len != php_stream_write(newfile, entry->filename, entry->filename_len)
    3016       31279 :                 || (entry->is_dir && 1 != php_stream_write(newfile, "/", 1))) {
    3017           0 :                         if (closeoldfile) {
    3018           0 :                                 php_stream_close(oldfile);
    3019             :                         }
    3020           0 :                         php_stream_close(newfile);
    3021           0 :                         if (error) {
    3022           0 :                                 if (entry->is_dir) {
    3023           0 :                                         spprintf(error, 0, "unable to write filename of directory \"%s\" to manifest of new phar \"%s\"", entry->filename, phar->fname);
    3024             :                                 } else {
    3025           0 :                                         spprintf(error, 0, "unable to write filename of file \"%s\" to manifest of new phar \"%s\"", entry->filename, phar->fname);
    3026             :                                 }
    3027             :                         }
    3028           0 :                         return EOF;
    3029             :                 }
    3030             : 
    3031             :                 /* set the manifest meta-data:
    3032             :                         4: uncompressed filesize
    3033             :                         4: creation timestamp
    3034             :                         4: compressed filesize
    3035             :                         4: crc32
    3036             :                         4: flags
    3037             :                         4: metadata-len
    3038             :                         +: metadata
    3039             :                 */
    3040        7812 :                 mytime = time(NULL);
    3041        7812 :                 phar_set_32(entry_buffer, entry->uncompressed_filesize);
    3042        7812 :                 phar_set_32(entry_buffer+4, mytime);
    3043        7812 :                 phar_set_32(entry_buffer+8, entry->compressed_filesize);
    3044        7812 :                 phar_set_32(entry_buffer+12, entry->crc32);
    3045        7812 :                 phar_set_32(entry_buffer+16, entry->flags);
    3046        7812 :                 phar_set_32(entry_buffer+20, entry->metadata_str.len);
    3047             : 
    3048       15624 :                 if (sizeof(entry_buffer) != php_stream_write(newfile, entry_buffer, sizeof(entry_buffer))
    3049       15624 :                 || entry->metadata_str.len != php_stream_write(newfile, entry->metadata_str.c, entry->metadata_str.len)) {
    3050           0 :                         if (closeoldfile) {
    3051           0 :                                 php_stream_close(oldfile);
    3052             :                         }
    3053             : 
    3054           0 :                         php_stream_close(newfile);
    3055             : 
    3056           0 :                         if (error) {
    3057           0 :                                 spprintf(error, 0, "unable to write temporary manifest of file \"%s\" to manifest of new phar \"%s\"", entry->filename, phar->fname);
    3058             :                         }
    3059             : 
    3060           0 :                         return EOF;
    3061             :                 }
    3062             :         }
    3063             : 
    3064             :         /* now copy the actual file data to the new phar */
    3065        4395 :         offset = php_stream_tell(newfile);
    3066       16605 :         for (zend_hash_internal_pointer_reset(&phar->manifest);
    3067       12210 :                 zend_hash_has_more_elements(&phar->manifest) == SUCCESS;
    3068        7815 :                 zend_hash_move_forward(&phar->manifest)) {
    3069             : 
    3070        7816 :                 if (zend_hash_get_current_data(&phar->manifest, (void **)&entry) == FAILURE) {
    3071           0 :                         continue;
    3072             :                 }
    3073             : 
    3074        7816 :                 if (entry->is_deleted || entry->is_dir || entry->is_mounted) {
    3075          36 :                         continue;
    3076             :                 }
    3077             : 
    3078        7780 :                 if (entry->cfp) {
    3079          31 :                         file = entry->cfp;
    3080          31 :                         php_stream_rewind(file);
    3081             :                 } else {
    3082        7749 :                         file = phar_get_efp(entry, 0 TSRMLS_CC);
    3083        7749 :                         if (-1 == phar_seek_efp(entry, 0, SEEK_SET, 0, 0 TSRMLS_CC)) {
    3084           1 :                                 if (closeoldfile) {
    3085           0 :                                         php_stream_close(oldfile);
    3086             :                                 }
    3087           1 :                                 php_stream_close(newfile);
    3088           1 :                                 if (error) {
    3089           1 :                                         spprintf(error, 0, "unable to seek to start of file \"%s\" while creating new phar \"%s\"", entry->filename, phar->fname);
    3090             :                                 }
    3091           1 :                                 return EOF;
    3092             :                         }
    3093             :                 }
    3094             : 
    3095        7779 :                 if (!file) {
    3096           0 :                         if (closeoldfile) {
    3097           0 :                                 php_stream_close(oldfile);
    3098             :                         }
    3099           0 :                         php_stream_close(newfile);
    3100           0 :                         if (error) {
    3101           0 :                                 spprintf(error, 0, "unable to seek to start of file \"%s\" while creating new phar \"%s\"", entry->filename, phar->fname);
    3102             :                         }
    3103           0 :                         return EOF;
    3104             :                 }
    3105             : 
    3106             :                 /* this will have changed for all files that have either changed compression or been modified */
    3107        7779 :                 entry->offset = entry->offset_abs = offset;
    3108        7779 :                 offset += entry->compressed_filesize;
    3109        7779 :                 if (phar_stream_copy_to_stream(file, newfile, entry->compressed_filesize, &wrote) == FAILURE) {
    3110           0 :                         if (closeoldfile) {
    3111           0 :                                 php_stream_close(oldfile);
    3112             :                         }
    3113             : 
    3114           0 :                         php_stream_close(newfile);
    3115             : 
    3116           0 :                         if (error) {
    3117           0 :                                 spprintf(error, 0, "unable to write contents of file \"%s\" to new phar \"%s\"", entry->filename, phar->fname);
    3118             :                         }
    3119             : 
    3120           0 :                         return EOF;
    3121             :                 }
    3122             : 
    3123        7779 :                 entry->is_modified = 0;
    3124             : 
    3125        7779 :                 if (entry->cfp) {
    3126          31 :                         php_stream_close(entry->cfp);
    3127          31 :                         entry->cfp = NULL;
    3128             :                 }
    3129             : 
    3130        7779 :                 if (entry->fp_type == PHAR_MOD) {
    3131             :                         /* this fp is in use by a phar_entry_data returned by phar_get_entry_data, it will be closed when the phar_entry_data is phar_entry_delref'ed */
    3132        4227 :                         if (entry->fp_refcount == 0 && entry->fp != phar->fp && entry->fp != phar->ufp) {
    3133        4192 :                                 php_stream_close(entry->fp);
    3134             :                         }
    3135             : 
    3136        4227 :                         entry->fp = NULL;
    3137        4227 :                         entry->fp_type = PHAR_FP;
    3138        3552 :                 } else if (entry->fp_type == PHAR_UFP) {
    3139        3092 :                         entry->fp_type = PHAR_FP;
    3140             :                 }
    3141             :         }
    3142             : 
    3143             :         /* append signature */
    3144        4394 :         if (global_flags & PHAR_HDR_SIGNATURE) {
    3145             :                 char sig_buf[4];
    3146             : 
    3147        4394 :                 php_stream_rewind(newfile);
    3148             : 
    3149        4394 :                 if (phar->signature) {
    3150        4276 :                         efree(phar->signature);
    3151        4276 :                         phar->signature = NULL;
    3152             :                 }
    3153             : 
    3154        4394 :                 switch(phar->sig_flags) {
    3155             : #ifndef PHAR_HASH_OK
    3156             :                         case PHAR_SIG_SHA512:
    3157             :                         case PHAR_SIG_SHA256:
    3158             :                                 if (closeoldfile) {
    3159             :                                         php_stream_close(oldfile);
    3160             :                                 }
    3161             :                                 php_stream_close(newfile);
    3162             :                                 if (error) {
    3163             :                                         spprintf(error, 0, "unable to write contents of file \"%s\" to new phar \"%s\" with requested hash type", entry->filename, phar->fname);
    3164             :                                 }
    3165             :                                 return EOF;
    3166             : #endif
    3167             :                         default: {
    3168        4394 :                                 char *digest = NULL;
    3169             :                                 int digest_len;
    3170             : 
    3171        4394 :                                 if (FAILURE == phar_create_signature(phar, newfile, &digest, &digest_len, error TSRMLS_CC)) {
    3172           0 :                                         if (error) {
    3173           0 :                                                 char *save = *error;
    3174           0 :                                                 spprintf(error, 0, "phar error: unable to write signature: %s", save);
    3175           0 :                                                 efree(save);
    3176             :                                         }
    3177           0 :                                         if (digest) {
    3178           0 :                                                 efree(digest);
    3179             :                                         }
    3180           0 :                                         if (closeoldfile) {
    3181           0 :                                                 php_stream_close(oldfile);
    3182             :                                         }
    3183           0 :                                         php_stream_close(newfile);
    3184           0 :                                         return EOF;
    3185             :                                 }
    3186             : 
    3187        4394 :                                 php_stream_write(newfile, digest, digest_len);
    3188        4394 :                                 efree(digest);
    3189        4394 :                                 if (phar->sig_flags == PHAR_SIG_OPENSSL) {
    3190           1 :                                         phar_set_32(sig_buf, digest_len);
    3191           1 :                                         php_stream_write(newfile, sig_buf, 4);
    3192             :                                 }
    3193             :                                 break;
    3194             :                         }
    3195             :                 }
    3196        4394 :                 phar_set_32(sig_buf, phar->sig_flags);
    3197        4394 :                 php_stream_write(newfile, sig_buf, 4);
    3198        4394 :                 php_stream_write(newfile, "GBMB", 4);
    3199             :         }
    3200             : 
    3201             :         /* finally, close the temp file, rename the original phar,
    3202             :            move the temp to the old phar, unlink the old phar, and reload it into memory
    3203             :         */
    3204        4394 :         if (phar->fp && free_fp) {
    3205        4318 :                 php_stream_close(phar->fp);
    3206             :         }
    3207             : 
    3208        4394 :         if (phar->ufp) {
    3209          17 :                 if (free_ufp) {
    3210          17 :                         php_stream_close(phar->ufp);
    3211             :                 }
    3212          17 :                 phar->ufp = NULL;
    3213             :         }
    3214             : 
    3215        4394 :         if (closeoldfile) {
    3216          12 :                 php_stream_close(oldfile);
    3217             :         }
    3218             : 
    3219        4394 :         phar->internal_file_start = halt_offset + manifest_len + 4;
    3220        4394 :         phar->halt_offset = halt_offset;
    3221        4394 :         phar->is_brandnew = 0;
    3222             : 
    3223        4394 :         php_stream_rewind(newfile);
    3224             : 
    3225        4394 :         if (phar->donotflush) {
    3226             :                 /* deferred flush */
    3227          12 :                 phar->fp = newfile;
    3228             :         } else {
    3229        4382 :                 phar->fp = php_stream_open_wrapper(phar->fname, "w+b", IGNORE_URL|STREAM_MUST_SEEK|REPORT_ERRORS, NULL);
    3230        4382 :                 if (!phar->fp) {
    3231           0 :                         phar->fp = newfile;
    3232           0 :                         if (error) {
    3233           0 :                                 spprintf(error, 4096, "unable to open new phar \"%s\" for writing", phar->fname);
    3234             :                         }
    3235           0 :                         return EOF;
    3236             :                 }
    3237             : 
    3238        4382 :                 if (phar->flags & PHAR_FILE_COMPRESSED_GZ) {
    3239             :                         /* to properly compress, we have to tell zlib to add a zlib header */
    3240             :                         zval filterparams;
    3241             : 
    3242           5 :                         array_init(&filterparams);
    3243           5 :                         add_assoc_long(&filterparams, "window", MAX_WBITS+16);
    3244           5 :                         filter = php_stream_filter_create("zlib.deflate", &filterparams, php_stream_is_persistent(phar->fp) TSRMLS_CC);
    3245           5 :                         zval_dtor(&filterparams);
    3246             : 
    3247           5 :                         if (!filter) {
    3248           0 :                                 if (error) {
    3249           0 :                                         spprintf(error, 4096, "unable to compress all contents of phar \"%s\" using zlib, PHP versions older than 5.2.6 have a buggy zlib", phar->fname);
    3250             :                                 }
    3251           0 :                                 return EOF;
    3252             :                         }
    3253             : 
    3254           5 :                         php_stream_filter_append(&phar->fp->writefilters, filter);
    3255           5 :                         phar_stream_copy_to_stream(newfile, phar->fp, PHP_STREAM_COPY_ALL, NULL);
    3256           5 :                         php_stream_filter_flush(filter, 1);
    3257           5 :                         php_stream_filter_remove(filter, 1 TSRMLS_CC);
    3258           5 :                         php_stream_close(phar->fp);
    3259             :                         /* use the temp stream as our base */
    3260           5 :                         phar->fp = newfile;
    3261        4377 :                 } else if (phar->flags & PHAR_FILE_COMPRESSED_BZ2) {
    3262           3 :                         filter = php_stream_filter_create("bzip2.compress", NULL, php_stream_is_persistent(phar->fp) TSRMLS_CC);
    3263           3 :                         php_stream_filter_append(&phar->fp->writefilters, filter);
    3264           3 :                         phar_stream_copy_to_stream(newfile, phar->fp, PHP_STREAM_COPY_ALL, NULL);
    3265           3 :                         php_stream_filter_flush(filter, 1);
    3266           3 :                         php_stream_filter_remove(filter, 1 TSRMLS_CC);
    3267           3 :                         php_stream_close(phar->fp);
    3268             :                         /* use the temp stream as our base */
    3269           3 :                         phar->fp = newfile;
    3270             :                 } else {
    3271        4374 :                         phar_stream_copy_to_stream(newfile, phar->fp, PHP_STREAM_COPY_ALL, NULL);
    3272             :                         /* we could also reopen the file in "rb" mode but there is no need for that */
    3273        4374 :                         php_stream_close(newfile);
    3274             :                 }
    3275             :         }
    3276             : 
    3277        4394 :         if (-1 == php_stream_seek(phar->fp, phar->halt_offset, SEEK_SET)) {
    3278           0 :                 if (error) {
    3279           0 :                         spprintf(error, 0, "unable to seek to __HALT_COMPILER(); in new phar \"%s\"", phar->fname);
    3280             :                 }
    3281           0 :                 return EOF;
    3282             :         }
    3283             : 
    3284        4394 :         return EOF;
    3285             : }
    3286             : /* }}} */
    3287             : 
    3288             : #ifdef COMPILE_DL_PHAR
    3289             : ZEND_GET_MODULE(phar)
    3290             : #endif
    3291             : 
    3292             : /* {{{ phar_functions[]
    3293             :  *
    3294             :  * Every user visible function must have an entry in phar_functions[].
    3295             :  */
    3296             : zend_function_entry phar_functions[] = {
    3297             :         PHP_FE_END
    3298             : };
    3299             : /* }}}*/
    3300             : 
    3301           4 : static size_t phar_zend_stream_reader(void *handle, char *buf, size_t len TSRMLS_DC) /* {{{ */
    3302             : {
    3303           4 :         return php_stream_read(phar_get_pharfp((phar_archive_data*)handle TSRMLS_CC), buf, len);
    3304             : }
    3305             : /* }}} */
    3306             : 
    3307             : #if PHP_VERSION_ID >= 50300
    3308           2 : static size_t phar_zend_stream_fsizer(void *handle TSRMLS_DC) /* {{{ */
    3309             : {
    3310           2 :         return ((phar_archive_data*)handle)->halt_offset + 32;
    3311             : } /* }}} */
    3312             : 
    3313             : #else /* PHP_VERSION_ID */
    3314             : 
    3315             : static long phar_stream_fteller_for_zend(void *handle TSRMLS_DC) /* {{{ */
    3316             : {
    3317             :         return (long)php_stream_tell(phar_get_pharfp((phar_archive_data*)handle TSRMLS_CC));
    3318             : }
    3319             : /* }}} */
    3320             : #endif
    3321             : 
    3322             : zend_op_array *(*phar_orig_compile_file)(zend_file_handle *file_handle, int type TSRMLS_DC);
    3323             : #if PHP_VERSION_ID >= 50300
    3324             : #define phar_orig_zend_open zend_stream_open_function
    3325       16175 : static char *phar_resolve_path(const char *filename, int filename_len TSRMLS_DC)
    3326             : {
    3327       16175 :         return phar_find_in_include_path((char *) filename, filename_len, NULL TSRMLS_CC);
    3328             : }
    3329             : #else
    3330             : int (*phar_orig_zend_open)(const char *filename, zend_file_handle *handle TSRMLS_DC);
    3331             : #endif
    3332             : 
    3333       28569 : static zend_op_array *phar_compile_file(zend_file_handle *file_handle, int type TSRMLS_DC) /* {{{ */
    3334             : {
    3335             :         zend_op_array *res;
    3336       28569 :         char *name = NULL;
    3337             :         int failed;
    3338             :         phar_archive_data *phar;
    3339             : 
    3340       28569 :         if (!file_handle || !file_handle->filename) {
    3341           0 :                 return phar_orig_compile_file(file_handle, type TSRMLS_CC);
    3342             :         }
    3343       28569 :         if (strstr(file_handle->filename, ".phar") && !strstr(file_handle->filename, "://")) {
    3344         178 :                 if (SUCCESS == phar_open_from_filename(file_handle->filename, strlen(file_handle->filename), NULL, 0, 0, &phar, NULL TSRMLS_CC)) {
    3345         157 :                         if (phar->is_zip || phar->is_tar) {
    3346          53 :                                 zend_file_handle f = *file_handle;
    3347             : 
    3348             :                                 /* zip or tar-based phar */
    3349          53 :                                 spprintf(&name, 4096, "phar://%s/%s", file_handle->filename, ".phar/stub.php");
    3350          53 :                                 if (SUCCESS == phar_orig_zend_open((const char *)name, file_handle TSRMLS_CC)) {
    3351          52 :                                         efree(name);
    3352          52 :                                         name = NULL;
    3353          52 :                                         file_handle->filename = f.filename;
    3354          52 :                                         if (file_handle->opened_path) {
    3355          52 :                                                 efree(file_handle->opened_path);
    3356             :                                         }
    3357          52 :                                         file_handle->opened_path = f.opened_path;
    3358          52 :                                         file_handle->free_filename = f.free_filename;
    3359             :                                 } else {
    3360           1 :                                         *file_handle = f;
    3361             :                                 }
    3362          51 :                         } else if (phar->flags & PHAR_FILE_COMPRESSION_MASK) {
    3363             :                                 /* compressed phar */
    3364             : #if PHP_VERSION_ID >= 50300
    3365           2 :                                 file_handle->type = ZEND_HANDLE_STREAM;
    3366             :                                 /* we do our own reading directly from the phar, don't change the next line */
    3367           2 :                                 file_handle->handle.stream.handle  = phar;
    3368           2 :                                 file_handle->handle.stream.reader  = phar_zend_stream_reader;
    3369           2 :                                 file_handle->handle.stream.closer  = NULL;
    3370           2 :                                 file_handle->handle.stream.fsizer  = phar_zend_stream_fsizer;
    3371           2 :                                 file_handle->handle.stream.isatty  = 0;
    3372           4 :                                 phar->is_persistent ?
    3373           0 :                                         php_stream_rewind(PHAR_GLOBALS->cached_fp[phar->phar_pos].fp) :
    3374           2 :                                         php_stream_rewind(phar->fp);
    3375           2 :                                 memset(&file_handle->handle.stream.mmap, 0, sizeof(file_handle->handle.stream.mmap));
    3376             : #else /* PHP_VERSION_ID */
    3377             :                                 file_handle->type = ZEND_HANDLE_STREAM;
    3378             :                                 /* we do our own reading directly from the phar, don't change the next line */
    3379             :                                 file_handle->handle.stream.handle = phar;
    3380             :                                 file_handle->handle.stream.reader = phar_zend_stream_reader;
    3381             :                                 file_handle->handle.stream.closer = NULL; /* don't close - let phar handle this one */
    3382             :                                 file_handle->handle.stream.fteller = phar_stream_fteller_for_zend;
    3383             :                                 file_handle->handle.stream.interactive = 0;
    3384             :                                 phar->is_persistent ?
    3385             :                                         php_stream_rewind(PHAR_GLOBALS->cached_fp[phar->phar_pos].fp) :
    3386             :                                         php_stream_rewind(phar->fp);
    3387             : #endif
    3388             :                         }
    3389             :                 }
    3390             :         }
    3391             : 
    3392       28569 :         zend_try {
    3393       28569 :                 failed = 0;
    3394       28569 :                 res = phar_orig_compile_file(file_handle, type TSRMLS_CC);
    3395         166 :         } zend_catch {
    3396         166 :                 failed = 1;
    3397         166 :                 res = NULL;
    3398       28569 :         } zend_end_try();
    3399             : 
    3400       28569 :         if (name) {
    3401           1 :                 efree(name);
    3402             :         }
    3403             : 
    3404       28569 :         if (failed) {
    3405         166 :                 zend_bailout();
    3406             :         }
    3407             : 
    3408       28403 :         return res;
    3409             : }
    3410             : /* }}} */
    3411             : 
    3412             : #if PHP_VERSION_ID < 50300
    3413             : int phar_zend_open(const char *filename, zend_file_handle *handle TSRMLS_DC) /* {{{ */
    3414             : {
    3415             :         char *arch, *entry;
    3416             :         int arch_len, entry_len;
    3417             : 
    3418             :         /* this code is obsoleted in php 5.3 */
    3419             :         entry = (char *) filename;
    3420             :         if (!IS_ABSOLUTE_PATH(entry, strlen(entry)) && !strstr(entry, "://")) {
    3421             :                 phar_archive_data **pphar = NULL;
    3422             :                 char *fname;
    3423             :                 int fname_len;
    3424             : 
    3425             :                 fname = zend_get_executed_filename(TSRMLS_C);
    3426             :                 fname_len = strlen(fname);
    3427             : 
    3428             :                 if (fname_len > 7 && !strncasecmp(fname, "phar://", 7)) {
    3429             :                         if (SUCCESS == phar_split_fname(fname, fname_len, &arch, &arch_len, &entry, &entry_len, 1, 0 TSRMLS_CC)) {
    3430             :                                 zend_hash_find(&(PHAR_GLOBALS->phar_fname_map), arch, arch_len, (void **) &pphar);
    3431             :                                 if (!pphar && PHAR_G(manifest_cached)) {
    3432             :                                         zend_hash_find(&cached_phars, arch, arch_len, (void **) &pphar);
    3433             :                                 }
    3434             :                                 efree(arch);
    3435             :                                 efree(entry);
    3436             :                         }
    3437             :                 }
    3438             : 
    3439             :                 /* retrieving an include within the current directory, so use this if possible */
    3440             :                 if (!(entry = phar_find_in_include_path((char *) filename, strlen(filename), NULL TSRMLS_CC))) {
    3441             :                         /* this file is not in the phar, use the original path */
    3442             :                         goto skip_phar;
    3443             :                 }
    3444             : 
    3445             :                 if (SUCCESS == phar_orig_zend_open(entry, handle TSRMLS_CC)) {
    3446             :                         if (!handle->opened_path) {
    3447             :                                 handle->opened_path = entry;
    3448             :                         }
    3449             :                         if (entry != filename) {
    3450             :                                 handle->free_filename = 1;
    3451             :                         }
    3452             :                         return SUCCESS;
    3453             :                 }
    3454             : 
    3455             :                 if (entry != filename) {
    3456             :                         efree(entry);
    3457             :                 }
    3458             : 
    3459             :                 return FAILURE;
    3460             :         }
    3461             : skip_phar:
    3462             :         return phar_orig_zend_open(filename, handle TSRMLS_CC);
    3463             : }
    3464             : /* }}} */
    3465             : #endif
    3466             : typedef zend_op_array* (zend_compile_t)(zend_file_handle*, int TSRMLS_DC);
    3467             : typedef zend_compile_t* (compile_hook)(zend_compile_t *ptr);
    3468             : 
    3469       19341 : PHP_GINIT_FUNCTION(phar) /* {{{ */
    3470             : {
    3471             :         phar_mime_type mime;
    3472             : 
    3473       19341 :         memset(phar_globals, 0, sizeof(zend_phar_globals));
    3474       19341 :         phar_globals->readonly = 1;
    3475             : 
    3476       19341 :         zend_hash_init(&phar_globals->mime_types, 0, NULL, NULL, 1);
    3477             : 
    3478             : #define PHAR_SET_MIME(mimetype, ret, fileext) \
    3479             :                 mime.mime = mimetype; \
    3480             :                 mime.len = sizeof((mimetype))+1; \
    3481             :                 mime.type = ret; \
    3482             :                 zend_hash_add(&phar_globals->mime_types, fileext, sizeof(fileext)-1, (void *)&mime, sizeof(phar_mime_type), NULL); \
    3483             : 
    3484       19341 :         PHAR_SET_MIME("text/html", PHAR_MIME_PHPS, "phps")
    3485       19341 :         PHAR_SET_MIME("text/plain", PHAR_MIME_OTHER, "c")
    3486       19341 :         PHAR_SET_MIME("text/plain", PHAR_MIME_OTHER, "cc")
    3487       19341 :         PHAR_SET_MIME("text/plain", PHAR_MIME_OTHER, "cpp")
    3488       19341 :         PHAR_SET_MIME("text/plain", PHAR_MIME_OTHER, "c++")
    3489       19341 :         PHAR_SET_MIME("text/plain", PHAR_MIME_OTHER, "dtd")
    3490       19341 :         PHAR_SET_MIME("text/plain", PHAR_MIME_OTHER, "h")
    3491       19341 :         PHAR_SET_MIME("text/plain", PHAR_MIME_OTHER, "log")
    3492       19341 :         PHAR_SET_MIME("text/plain", PHAR_MIME_OTHER, "rng")
    3493       19341 :         PHAR_SET_MIME("text/plain", PHAR_MIME_OTHER, "txt")
    3494       19341 :         PHAR_SET_MIME("text/plain", PHAR_MIME_OTHER, "xsd")
    3495       19341 :         PHAR_SET_MIME("", PHAR_MIME_PHP, "php")
    3496       19341 :         PHAR_SET_MIME("", PHAR_MIME_PHP, "inc")
    3497       19341 :         PHAR_SET_MIME("video/avi", PHAR_MIME_OTHER, "avi")
    3498       19341 :         PHAR_SET_MIME("image/bmp", PHAR_MIME_OTHER, "bmp")
    3499       19341 :         PHAR_SET_MIME("text/css", PHAR_MIME_OTHER, "css")
    3500       19341 :         PHAR_SET_MIME("image/gif", PHAR_MIME_OTHER, "gif")
    3501       19341 :         PHAR_SET_MIME("text/html", PHAR_MIME_OTHER, "htm")
    3502       19341 :         PHAR_SET_MIME("text/html", PHAR_MIME_OTHER, "html")
    3503       19341 :         PHAR_SET_MIME("text/html", PHAR_MIME_OTHER, "htmls")
    3504       19341 :         PHAR_SET_MIME("image/x-ico", PHAR_MIME_OTHER, "ico")
    3505       19341 :         PHAR_SET_MIME("image/jpeg", PHAR_MIME_OTHER, "jpe")
    3506       19341 :         PHAR_SET_MIME("image/jpeg", PHAR_MIME_OTHER, "jpg")
    3507       19341 :         PHAR_SET_MIME("image/jpeg", PHAR_MIME_OTHER, "jpeg")
    3508       19341 :         PHAR_SET_MIME("application/x-javascript", PHAR_MIME_OTHER, "js")
    3509       19341 :         PHAR_SET_MIME("audio/midi", PHAR_MIME_OTHER, "midi")
    3510       19341 :         PHAR_SET_MIME("audio/midi", PHAR_MIME_OTHER, "mid")
    3511       19341 :         PHAR_SET_MIME("audio/mod", PHAR_MIME_OTHER, "mod")
    3512       19341 :         PHAR_SET_MIME("movie/quicktime", PHAR_MIME_OTHER, "mov")
    3513       19341 :         PHAR_SET_MIME("audio/mp3", PHAR_MIME_OTHER, "mp3")
    3514       19341 :         PHAR_SET_MIME("video/mpeg", PHAR_MIME_OTHER, "mpg")
    3515       19341 :         PHAR_SET_MIME("video/mpeg", PHAR_MIME_OTHER, "mpeg")
    3516       19341 :         PHAR_SET_MIME("application/pdf", PHAR_MIME_OTHER, "pdf")
    3517       19341 :         PHAR_SET_MIME("image/png", PHAR_MIME_OTHER, "png")
    3518       19341 :         PHAR_SET_MIME("application/shockwave-flash", PHAR_MIME_OTHER, "swf")
    3519       19341 :         PHAR_SET_MIME("image/tiff", PHAR_MIME_OTHER, "tif")
    3520       19341 :         PHAR_SET_MIME("image/tiff", PHAR_MIME_OTHER, "tiff")
    3521       19341 :         PHAR_SET_MIME("audio/wav", PHAR_MIME_OTHER, "wav")
    3522       19341 :         PHAR_SET_MIME("image/xbm", PHAR_MIME_OTHER, "xbm")
    3523       19341 :         PHAR_SET_MIME("text/xml", PHAR_MIME_OTHER, "xml")
    3524             : 
    3525       19341 :         phar_restore_orig_functions(TSRMLS_C);
    3526       19341 : }
    3527             : /* }}} */
    3528             : 
    3529       19376 : PHP_GSHUTDOWN_FUNCTION(phar) /* {{{ */
    3530             : {
    3531       19376 :         zend_hash_destroy(&phar_globals->mime_types);
    3532       19376 : }
    3533             : /* }}} */
    3534             : 
    3535       19341 : PHP_MINIT_FUNCTION(phar) /* {{{ */
    3536             : {
    3537       19341 :         REGISTER_INI_ENTRIES();
    3538             : 
    3539       19341 :         phar_orig_compile_file = zend_compile_file;
    3540       19341 :         zend_compile_file = phar_compile_file;
    3541             : 
    3542             : #if PHP_VERSION_ID >= 50300
    3543       19341 :         phar_save_resolve_path = zend_resolve_path;
    3544       19341 :         zend_resolve_path = phar_resolve_path;
    3545             : #else
    3546             :         phar_orig_zend_open = zend_stream_open_function;
    3547             :         zend_stream_open_function = phar_zend_open;
    3548             : #endif
    3549             : 
    3550       19341 :         phar_object_init(TSRMLS_C);
    3551             : 
    3552       19341 :         phar_intercept_functions_init(TSRMLS_C);
    3553       19341 :         phar_save_orig_functions(TSRMLS_C);
    3554             : 
    3555       19341 :         return php_register_url_stream_wrapper("phar", &php_stream_phar_wrapper TSRMLS_CC);
    3556             : }
    3557             : /* }}} */
    3558             : 
    3559       19376 : PHP_MSHUTDOWN_FUNCTION(phar) /* {{{ */
    3560             : {
    3561       19376 :         php_unregister_url_stream_wrapper("phar" TSRMLS_CC);
    3562             : 
    3563       19376 :         phar_intercept_functions_shutdown(TSRMLS_C);
    3564             : 
    3565       19376 :         if (zend_compile_file == phar_compile_file) {
    3566       19376 :                 zend_compile_file = phar_orig_compile_file;
    3567             :         }
    3568             : 
    3569             : #if PHP_VERSION_ID < 50300
    3570             :         if (zend_stream_open_function == phar_zend_open) {
    3571             :                 zend_stream_open_function = phar_orig_zend_open;
    3572             :         }
    3573             : #endif
    3574       19376 :         if (PHAR_G(manifest_cached)) {
    3575           3 :                 zend_hash_destroy(&(cached_phars));
    3576           3 :                 zend_hash_destroy(&(cached_alias));
    3577             :         }
    3578             : 
    3579       19376 :         return SUCCESS;
    3580             : }
    3581             : /* }}} */
    3582             : 
    3583       25394 : void phar_request_initialize(TSRMLS_D) /* {{{ */
    3584             : {
    3585       25394 :         if (!PHAR_GLOBALS->request_init)
    3586             :         {
    3587         559 :                 PHAR_G(last_phar) = NULL;
    3588         559 :                 PHAR_G(last_phar_name) = PHAR_G(last_alias) = NULL;
    3589         559 :                 PHAR_G(has_bz2) = zend_hash_exists(&module_registry, "bz2", sizeof("bz2"));
    3590         559 :                 PHAR_G(has_zlib) = zend_hash_exists(&module_registry, "zlib", sizeof("zlib"));
    3591         559 :                 PHAR_GLOBALS->request_init = 1;
    3592         559 :                 PHAR_GLOBALS->request_ends = 0;
    3593         559 :                 PHAR_GLOBALS->request_done = 0;
    3594         559 :                 zend_hash_init(&(PHAR_GLOBALS->phar_fname_map), 5, zend_get_hash_value, destroy_phar_data,  0);
    3595         559 :                 zend_hash_init(&(PHAR_GLOBALS->phar_persist_map), 5, zend_get_hash_value, NULL,  0);
    3596         559 :                 zend_hash_init(&(PHAR_GLOBALS->phar_alias_map), 5, zend_get_hash_value, NULL, 0);
    3597             : 
    3598         559 :                 if (PHAR_G(manifest_cached)) {
    3599             :                         phar_archive_data **pphar;
    3600           3 :                         phar_entry_fp *stuff = (phar_entry_fp *) ecalloc(zend_hash_num_elements(&cached_phars), sizeof(phar_entry_fp));
    3601             : 
    3602           9 :                         for (zend_hash_internal_pointer_reset(&cached_phars);
    3603           6 :                         zend_hash_get_current_data(&cached_phars, (void **)&pphar) == SUCCESS;
    3604           3 :                         zend_hash_move_forward(&cached_phars)) {
    3605           3 :                                 stuff[pphar[0]->phar_pos].manifest = (phar_entry_fp_info *) ecalloc( zend_hash_num_elements(&(pphar[0]->manifest)), sizeof(phar_entry_fp_info));
    3606             :                         }
    3607             : 
    3608           3 :                         PHAR_GLOBALS->cached_fp = stuff;
    3609             :                 }
    3610             : 
    3611         559 :                 PHAR_GLOBALS->phar_SERVER_mung_list = 0;
    3612         559 :                 PHAR_G(cwd) = NULL;
    3613         559 :                 PHAR_G(cwd_len) = 0;
    3614         559 :                 PHAR_G(cwd_init) = 0;
    3615             :         }
    3616       25394 : }
    3617             : /* }}} */
    3618             : 
    3619       19362 : PHP_RSHUTDOWN_FUNCTION(phar) /* {{{ */
    3620             : {
    3621             :         int i;
    3622             : 
    3623       19362 :         PHAR_GLOBALS->request_ends = 1;
    3624             : 
    3625       19362 :         if (PHAR_GLOBALS->request_init)
    3626             :         {
    3627         559 :                 phar_release_functions(TSRMLS_C);
    3628         559 :                 zend_hash_destroy(&(PHAR_GLOBALS->phar_alias_map));
    3629         559 :                 PHAR_GLOBALS->phar_alias_map.arBuckets = NULL;
    3630         559 :                 zend_hash_destroy(&(PHAR_GLOBALS->phar_fname_map));
    3631         559 :                 PHAR_GLOBALS->phar_fname_map.arBuckets = NULL;
    3632         559 :                 zend_hash_destroy(&(PHAR_GLOBALS->phar_persist_map));
    3633         559 :                 PHAR_GLOBALS->phar_persist_map.arBuckets = NULL;
    3634         559 :                 PHAR_GLOBALS->phar_SERVER_mung_list = 0;
    3635             : 
    3636         559 :                 if (PHAR_GLOBALS->cached_fp) {
    3637           6 :                         for (i = 0; i < zend_hash_num_elements(&cached_phars); ++i) {
    3638           3 :                                 if (PHAR_GLOBALS->cached_fp[i].fp) {
    3639           1 :                                         php_stream_close(PHAR_GLOBALS->cached_fp[i].fp);
    3640             :                                 }
    3641           3 :                                 if (PHAR_GLOBALS->cached_fp[i].ufp) {
    3642           0 :                                         php_stream_close(PHAR_GLOBALS->cached_fp[i].ufp);
    3643             :                                 }
    3644           3 :                                 efree(PHAR_GLOBALS->cached_fp[i].manifest);
    3645             :                         }
    3646           3 :                         efree(PHAR_GLOBALS->cached_fp);
    3647           3 :                         PHAR_GLOBALS->cached_fp = 0;
    3648             :                 }
    3649             : 
    3650         559 :                 PHAR_GLOBALS->request_init = 0;
    3651             : 
    3652         559 :                 if (PHAR_G(cwd)) {
    3653          28 :                         efree(PHAR_G(cwd));
    3654             :                 }
    3655             : 
    3656         559 :                 PHAR_G(cwd) = NULL;
    3657         559 :                 PHAR_G(cwd_len) = 0;
    3658         559 :                 PHAR_G(cwd_init) = 0;
    3659             :         }
    3660             : 
    3661       19362 :         PHAR_GLOBALS->request_done = 1;
    3662       19362 :         return SUCCESS;
    3663             : }
    3664             : /* }}} */
    3665             : 
    3666         148 : PHP_MINFO_FUNCTION(phar) /* {{{ */
    3667             : {
    3668         148 :         phar_request_initialize(TSRMLS_C);
    3669         148 :         php_info_print_table_start();
    3670         148 :         php_info_print_table_header(2, "Phar: PHP Archive support", "enabled");
    3671         148 :         php_info_print_table_row(2, "Phar EXT version", PHP_PHAR_VERSION);
    3672         148 :         php_info_print_table_row(2, "Phar API version", PHP_PHAR_API_VERSION);
    3673         148 :         php_info_print_table_row(2, "SVN revision", "$Id: 21d763042eb5769ae0a09dc1118df2b5aae6fb33 $");
    3674         148 :         php_info_print_table_row(2, "Phar-based phar archives", "enabled");
    3675         148 :         php_info_print_table_row(2, "Tar-based phar archives", "enabled");
    3676         148 :         php_info_print_table_row(2, "ZIP-based phar archives", "enabled");
    3677             : 
    3678         148 :         if (PHAR_G(has_zlib)) {
    3679         148 :                 php_info_print_table_row(2, "gzip compression", "enabled");
    3680             :         } else {
    3681           0 :                 php_info_print_table_row(2, "gzip compression", "disabled (install ext/zlib)");
    3682             :         }
    3683             : 
    3684         148 :         if (PHAR_G(has_bz2)) {
    3685         148 :                 php_info_print_table_row(2, "bzip2 compression", "enabled");
    3686             :         } else {
    3687           0 :                 php_info_print_table_row(2, "bzip2 compression", "disabled (install pecl/bz2)");
    3688             :         }
    3689             : #ifdef PHAR_HAVE_OPENSSL
    3690         148 :         php_info_print_table_row(2, "Native OpenSSL support", "enabled");
    3691             : #else
    3692             :         if (zend_hash_exists(&module_registry, "openssl", sizeof("openssl"))) {
    3693             :                 php_info_print_table_row(2, "OpenSSL support", "enabled");
    3694             :         } else {
    3695             :                 php_info_print_table_row(2, "OpenSSL support", "disabled (install ext/openssl)");
    3696             :         }
    3697             : #endif
    3698         148 :         php_info_print_table_end();
    3699             : 
    3700         148 :         php_info_print_box_start(0);
    3701         148 :         PUTS("Phar based on pear/PHP_Archive, original concept by Davey Shafik.");
    3702         148 :         PUTS(!sapi_module.phpinfo_as_text?"<br />":"\n");
    3703         148 :         PUTS("Phar fully realized by Gregory Beaver and Marcus Boerger.");
    3704         148 :         PUTS(!sapi_module.phpinfo_as_text?"<br />":"\n");
    3705         148 :         PUTS("Portions of tar implementation Copyright (c) 2003-2009 Tim Kientzle.");
    3706         148 :         php_info_print_box_end();
    3707             : 
    3708         148 :         DISPLAY_INI_ENTRIES();
    3709         148 : }
    3710             : /* }}} */
    3711             : 
    3712             : /* {{{ phar_module_entry
    3713             :  */
    3714             : static const zend_module_dep phar_deps[] = {
    3715             :         ZEND_MOD_OPTIONAL("apc")
    3716             :         ZEND_MOD_OPTIONAL("bz2")
    3717             :         ZEND_MOD_OPTIONAL("openssl")
    3718             :         ZEND_MOD_OPTIONAL("zlib")
    3719             :         ZEND_MOD_OPTIONAL("standard")
    3720             : #if defined(HAVE_HASH) && !defined(COMPILE_DL_HASH)
    3721             :         ZEND_MOD_REQUIRED("hash")
    3722             : #endif
    3723             : #if HAVE_SPL
    3724             :         ZEND_MOD_REQUIRED("spl")
    3725             : #endif
    3726             :         ZEND_MOD_END
    3727             : };
    3728             : 
    3729             : zend_module_entry phar_module_entry = {
    3730             :         STANDARD_MODULE_HEADER_EX, NULL,
    3731             :         phar_deps,
    3732             :         "Phar",
    3733             :         phar_functions,
    3734             :         PHP_MINIT(phar),
    3735             :         PHP_MSHUTDOWN(phar),
    3736             :         NULL,
    3737             :         PHP_RSHUTDOWN(phar),
    3738             :         PHP_MINFO(phar),
    3739             :         PHP_PHAR_VERSION,
    3740             :         PHP_MODULE_GLOBALS(phar),   /* globals descriptor */
    3741             :         PHP_GINIT(phar),            /* globals ctor */
    3742             :         PHP_GSHUTDOWN(phar),        /* globals dtor */
    3743             :         NULL,                       /* post deactivate */
    3744             :         STANDARD_MODULE_PROPERTIES_EX
    3745             : };
    3746             : /* }}} */
    3747             : 
    3748             : /*
    3749             :  * Local variables:
    3750             :  * tab-width: 4
    3751             :  * c-basic-offset: 4
    3752             :  * End:
    3753             :  * vim600: noet sw=4 ts=4 fdm=marker
    3754             :  * vim<600: noet sw=4 ts=4
    3755             :  */

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