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 PHP: Test and Code Coverage Analysis
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LCOV - code coverage report
Current view: top level - ext/filter - filter.c (source / functions) Hit Total Coverage
Test: PHP Code Coverage Lines: 343 380 90.3 %
Date: 2014-07-21 Functions: 22 22 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :   +----------------------------------------------------------------------+
       3             :   | PHP Version 5                                                        |
       4             :   +----------------------------------------------------------------------+
       5             :   | Copyright (c) 1997-2014 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: Rasmus Lerdorf <rasmus@php.net>                             |
      16             :   |          Derick Rethans <derick@php.net>                             |
      17             :   |          Pierre-A. Joye <pierre@php.net>                             |
      18             :   |          Ilia Alshanetsky <iliaa@php.net>                            |
      19             :   +----------------------------------------------------------------------+
      20             : */
      21             : 
      22             : /* $Id: 4d3899e089e6e45b157975ceef2ac7deb6e9d762 $ */
      23             : 
      24             : #ifdef HAVE_CONFIG_H
      25             : #include "config.h"
      26             : #endif
      27             : 
      28             : #include "php_filter.h"
      29             : 
      30             : ZEND_DECLARE_MODULE_GLOBALS(filter)
      31             : 
      32             : #include "filter_private.h"
      33             : 
      34             : typedef struct filter_list_entry {
      35             :         const char *name;
      36             :         int    id;
      37             :         void (*function)(PHP_INPUT_FILTER_PARAM_DECL);
      38             : } filter_list_entry;
      39             : 
      40             : /* {{{ filter_list */
      41             : static const filter_list_entry filter_list[] = {
      42             :         { "int",             FILTER_VALIDATE_INT,           php_filter_int             },
      43             :         { "boolean",         FILTER_VALIDATE_BOOLEAN,       php_filter_boolean         },
      44             :         { "float",           FILTER_VALIDATE_FLOAT,         php_filter_float           },
      45             : 
      46             :         { "validate_regexp", FILTER_VALIDATE_REGEXP,        php_filter_validate_regexp },
      47             :         { "validate_url",    FILTER_VALIDATE_URL,           php_filter_validate_url    },
      48             :         { "validate_email",  FILTER_VALIDATE_EMAIL,         php_filter_validate_email  },
      49             :         { "validate_ip",     FILTER_VALIDATE_IP,            php_filter_validate_ip     },
      50             :         { "validate_mac",    FILTER_VALIDATE_MAC,           php_filter_validate_mac    },
      51             : 
      52             :         { "string",          FILTER_SANITIZE_STRING,        php_filter_string          },
      53             :         { "stripped",        FILTER_SANITIZE_STRING,        php_filter_string          },
      54             :         { "encoded",         FILTER_SANITIZE_ENCODED,       php_filter_encoded         },
      55             :         { "special_chars",   FILTER_SANITIZE_SPECIAL_CHARS, php_filter_special_chars   },
      56             :         { "full_special_chars",   FILTER_SANITIZE_FULL_SPECIAL_CHARS, php_filter_full_special_chars   },
      57             :         { "unsafe_raw",      FILTER_UNSAFE_RAW,             php_filter_unsafe_raw      },
      58             :         { "email",           FILTER_SANITIZE_EMAIL,         php_filter_email           },
      59             :         { "url",             FILTER_SANITIZE_URL,           php_filter_url             },
      60             :         { "number_int",      FILTER_SANITIZE_NUMBER_INT,    php_filter_number_int      },
      61             :         { "number_float",    FILTER_SANITIZE_NUMBER_FLOAT,  php_filter_number_float    },
      62             :         { "magic_quotes",    FILTER_SANITIZE_MAGIC_QUOTES,  php_filter_magic_quotes    },
      63             : 
      64             :         { "callback",        FILTER_CALLBACK,               php_filter_callback        },
      65             : };
      66             : /* }}} */
      67             : 
      68             : #ifndef PARSE_ENV
      69             : #define PARSE_ENV 4
      70             : #endif
      71             : 
      72             : #ifndef PARSE_SERVER
      73             : #define PARSE_SERVER 5
      74             : #endif
      75             : 
      76             : #ifndef PARSE_SESSION
      77             : #define PARSE_SESSION 6
      78             : #endif
      79             : 
      80             : static unsigned int php_sapi_filter(int arg, char *var, char **val, unsigned int val_len, unsigned int *new_val_len TSRMLS_DC);
      81             : static unsigned int php_sapi_filter_init(TSRMLS_D);
      82             : 
      83             : /* {{{ arginfo */
      84             : ZEND_BEGIN_ARG_INFO_EX(arginfo_filter_input, 0, 0, 2)
      85             :         ZEND_ARG_INFO(0, type)
      86             :         ZEND_ARG_INFO(0, variable_name)
      87             :         ZEND_ARG_INFO(0, filter)
      88             :         ZEND_ARG_INFO(0, options)
      89             : ZEND_END_ARG_INFO()
      90             : 
      91             : ZEND_BEGIN_ARG_INFO_EX(arginfo_filter_var, 0, 0, 1)
      92             :         ZEND_ARG_INFO(0, variable)
      93             :         ZEND_ARG_INFO(0, filter)
      94             :         ZEND_ARG_INFO(0, options)
      95             : ZEND_END_ARG_INFO()
      96             : 
      97             : ZEND_BEGIN_ARG_INFO_EX(arginfo_filter_input_array, 0, 0, 1)
      98             :         ZEND_ARG_INFO(0, type)
      99             :         ZEND_ARG_INFO(0, definition)
     100             :         ZEND_ARG_INFO(0, add_empty)
     101             : ZEND_END_ARG_INFO()
     102             : 
     103             : ZEND_BEGIN_ARG_INFO_EX(arginfo_filter_var_array, 0, 0, 1)
     104             :         ZEND_ARG_INFO(0, data)
     105             :         ZEND_ARG_INFO(0, definition)
     106             :         ZEND_ARG_INFO(0, add_empty)
     107             : ZEND_END_ARG_INFO()
     108             : 
     109             : ZEND_BEGIN_ARG_INFO(arginfo_filter_list, 0)
     110             : ZEND_END_ARG_INFO()
     111             : 
     112             : ZEND_BEGIN_ARG_INFO_EX(arginfo_filter_has_var, 0, 0, 2)
     113             :         ZEND_ARG_INFO(0, type)
     114             :         ZEND_ARG_INFO(0, variable_name)
     115             : ZEND_END_ARG_INFO()
     116             : 
     117             : ZEND_BEGIN_ARG_INFO_EX(arginfo_filter_id, 0, 0, 1)
     118             :         ZEND_ARG_INFO(0, filtername)
     119             : ZEND_END_ARG_INFO()
     120             : /* }}} */
     121             : 
     122             : /* {{{ filter_functions[]
     123             :  */
     124             : static const zend_function_entry filter_functions[] = {
     125             :         PHP_FE(filter_input,            arginfo_filter_input)
     126             :         PHP_FE(filter_var,              arginfo_filter_var)
     127             :         PHP_FE(filter_input_array,      arginfo_filter_input_array)
     128             :         PHP_FE(filter_var_array,        arginfo_filter_var_array)
     129             :         PHP_FE(filter_list,             arginfo_filter_list)
     130             :         PHP_FE(filter_has_var,          arginfo_filter_has_var)
     131             :         PHP_FE(filter_id,               arginfo_filter_id)
     132             :         PHP_FE_END
     133             : };
     134             : /* }}} */
     135             : 
     136             : /* {{{ filter_module_entry
     137             :  */
     138             : zend_module_entry filter_module_entry = {
     139             : #if ZEND_MODULE_API_NO >= 20010901
     140             :         STANDARD_MODULE_HEADER,
     141             : #endif
     142             :         "filter",
     143             :         filter_functions,
     144             :         PHP_MINIT(filter),
     145             :         PHP_MSHUTDOWN(filter),
     146             :         NULL,
     147             :         PHP_RSHUTDOWN(filter),
     148             :         PHP_MINFO(filter),
     149             :         "0.11.0",
     150             :         STANDARD_MODULE_PROPERTIES
     151             : };
     152             : /* }}} */
     153             : 
     154             : #ifdef COMPILE_DL_FILTER
     155             : ZEND_GET_MODULE(filter)
     156             : #endif
     157             : 
     158       21257 : static PHP_INI_MH(UpdateDefaultFilter) /* {{{ */
     159             : {
     160       21257 :         int i, size = sizeof(filter_list) / sizeof(filter_list_entry);
     161             : 
     162      297578 :         for (i = 0; i < size; ++i) {
     163      297578 :                 if ((strcasecmp(new_value, filter_list[i].name) == 0)) {
     164       21257 :                         IF_G(default_filter) = filter_list[i].id;
     165       21257 :                         return SUCCESS;
     166             :                 }
     167             :         }
     168             :         /* Fallback to the default filter */
     169           0 :         IF_G(default_filter) = FILTER_DEFAULT;
     170           0 :         return SUCCESS;
     171             : }
     172             : /* }}} */
     173             : 
     174             : /* {{{ PHP_INI
     175             :  */
     176       21257 : static PHP_INI_MH(OnUpdateFlags)
     177             : {
     178       21257 :         if (!new_value) {
     179       21251 :                 IF_G(default_filter_flags) = FILTER_FLAG_NO_ENCODE_QUOTES;
     180             :         } else {
     181           6 :                 IF_G(default_filter_flags) = atoi(new_value);
     182             :         }
     183       21257 :         return SUCCESS;
     184             : }
     185             : 
     186             : PHP_INI_BEGIN()
     187             :         STD_PHP_INI_ENTRY("filter.default",   "unsafe_raw", PHP_INI_SYSTEM|PHP_INI_PERDIR, UpdateDefaultFilter, default_filter, zend_filter_globals, filter_globals)
     188             :         PHP_INI_ENTRY("filter.default_flags", NULL,     PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateFlags)
     189             : PHP_INI_END()
     190             : /* }}} */
     191             : 
     192       21257 : static void php_filter_init_globals(zend_filter_globals *filter_globals) /* {{{ */
     193             : {
     194       21257 :         filter_globals->post_array = NULL;
     195       21257 :         filter_globals->get_array = NULL;
     196       21257 :         filter_globals->cookie_array = NULL;
     197       21257 :         filter_globals->env_array = NULL;
     198       21257 :         filter_globals->server_array = NULL;
     199       21257 :         filter_globals->session_array = NULL;
     200       21257 :         filter_globals->default_filter = FILTER_DEFAULT;
     201       21257 : }
     202             : /* }}} */
     203             : 
     204             : #define PARSE_REQUEST 99
     205             : 
     206             : /* {{{ PHP_MINIT_FUNCTION
     207             :  */
     208       21257 : PHP_MINIT_FUNCTION(filter)
     209             : {
     210       21257 :         ZEND_INIT_MODULE_GLOBALS(filter, php_filter_init_globals, NULL);
     211             : 
     212       21257 :         REGISTER_INI_ENTRIES();
     213             : 
     214       21257 :         REGISTER_LONG_CONSTANT("INPUT_POST",  PARSE_POST,     CONST_CS | CONST_PERSISTENT);
     215       21257 :         REGISTER_LONG_CONSTANT("INPUT_GET",           PARSE_GET,              CONST_CS | CONST_PERSISTENT);
     216       21257 :         REGISTER_LONG_CONSTANT("INPUT_COOKIE",        PARSE_COOKIE,   CONST_CS | CONST_PERSISTENT);
     217       21257 :         REGISTER_LONG_CONSTANT("INPUT_ENV",           PARSE_ENV,              CONST_CS | CONST_PERSISTENT);
     218       21257 :         REGISTER_LONG_CONSTANT("INPUT_SERVER",        PARSE_SERVER,   CONST_CS | CONST_PERSISTENT);
     219       21257 :         REGISTER_LONG_CONSTANT("INPUT_SESSION", PARSE_SESSION,        CONST_CS | CONST_PERSISTENT);
     220       21257 :         REGISTER_LONG_CONSTANT("INPUT_REQUEST", PARSE_REQUEST,        CONST_CS | CONST_PERSISTENT);
     221             : 
     222       21257 :         REGISTER_LONG_CONSTANT("FILTER_FLAG_NONE", FILTER_FLAG_NONE, CONST_CS | CONST_PERSISTENT);
     223             : 
     224       21257 :         REGISTER_LONG_CONSTANT("FILTER_REQUIRE_SCALAR", FILTER_REQUIRE_SCALAR, CONST_CS | CONST_PERSISTENT);
     225       21257 :         REGISTER_LONG_CONSTANT("FILTER_REQUIRE_ARRAY", FILTER_REQUIRE_ARRAY, CONST_CS | CONST_PERSISTENT);
     226       21257 :         REGISTER_LONG_CONSTANT("FILTER_FORCE_ARRAY", FILTER_FORCE_ARRAY, CONST_CS | CONST_PERSISTENT);
     227       21257 :         REGISTER_LONG_CONSTANT("FILTER_NULL_ON_FAILURE", FILTER_NULL_ON_FAILURE, CONST_CS | CONST_PERSISTENT);
     228             : 
     229       21257 :         REGISTER_LONG_CONSTANT("FILTER_VALIDATE_INT", FILTER_VALIDATE_INT, CONST_CS | CONST_PERSISTENT);
     230       21257 :         REGISTER_LONG_CONSTANT("FILTER_VALIDATE_BOOLEAN", FILTER_VALIDATE_BOOLEAN, CONST_CS | CONST_PERSISTENT);
     231       21257 :         REGISTER_LONG_CONSTANT("FILTER_VALIDATE_FLOAT", FILTER_VALIDATE_FLOAT, CONST_CS | CONST_PERSISTENT);
     232             : 
     233       21257 :         REGISTER_LONG_CONSTANT("FILTER_VALIDATE_REGEXP", FILTER_VALIDATE_REGEXP, CONST_CS | CONST_PERSISTENT);
     234       21257 :         REGISTER_LONG_CONSTANT("FILTER_VALIDATE_URL", FILTER_VALIDATE_URL, CONST_CS | CONST_PERSISTENT);
     235       21257 :         REGISTER_LONG_CONSTANT("FILTER_VALIDATE_EMAIL", FILTER_VALIDATE_EMAIL, CONST_CS | CONST_PERSISTENT);
     236       21257 :         REGISTER_LONG_CONSTANT("FILTER_VALIDATE_IP", FILTER_VALIDATE_IP, CONST_CS | CONST_PERSISTENT);
     237       21257 :         REGISTER_LONG_CONSTANT("FILTER_VALIDATE_MAC", FILTER_VALIDATE_MAC, CONST_CS | CONST_PERSISTENT);
     238             : 
     239       21257 :         REGISTER_LONG_CONSTANT("FILTER_DEFAULT", FILTER_DEFAULT, CONST_CS | CONST_PERSISTENT);
     240       21257 :         REGISTER_LONG_CONSTANT("FILTER_UNSAFE_RAW", FILTER_UNSAFE_RAW, CONST_CS | CONST_PERSISTENT);
     241             : 
     242       21257 :         REGISTER_LONG_CONSTANT("FILTER_SANITIZE_STRING", FILTER_SANITIZE_STRING, CONST_CS | CONST_PERSISTENT);
     243       21257 :         REGISTER_LONG_CONSTANT("FILTER_SANITIZE_STRIPPED", FILTER_SANITIZE_STRING, CONST_CS | CONST_PERSISTENT);
     244       21257 :         REGISTER_LONG_CONSTANT("FILTER_SANITIZE_ENCODED", FILTER_SANITIZE_ENCODED, CONST_CS | CONST_PERSISTENT);
     245       21257 :         REGISTER_LONG_CONSTANT("FILTER_SANITIZE_SPECIAL_CHARS", FILTER_SANITIZE_SPECIAL_CHARS, CONST_CS | CONST_PERSISTENT);
     246       21257 :         REGISTER_LONG_CONSTANT("FILTER_SANITIZE_FULL_SPECIAL_CHARS", FILTER_SANITIZE_FULL_SPECIAL_CHARS, CONST_CS | CONST_PERSISTENT);
     247       21257 :         REGISTER_LONG_CONSTANT("FILTER_SANITIZE_EMAIL", FILTER_SANITIZE_EMAIL, CONST_CS | CONST_PERSISTENT);
     248       21257 :         REGISTER_LONG_CONSTANT("FILTER_SANITIZE_URL", FILTER_SANITIZE_URL, CONST_CS | CONST_PERSISTENT);
     249       21257 :         REGISTER_LONG_CONSTANT("FILTER_SANITIZE_NUMBER_INT", FILTER_SANITIZE_NUMBER_INT, CONST_CS | CONST_PERSISTENT);
     250       21257 :         REGISTER_LONG_CONSTANT("FILTER_SANITIZE_NUMBER_FLOAT", FILTER_SANITIZE_NUMBER_FLOAT, CONST_CS | CONST_PERSISTENT);
     251       21257 :         REGISTER_LONG_CONSTANT("FILTER_SANITIZE_MAGIC_QUOTES", FILTER_SANITIZE_MAGIC_QUOTES, CONST_CS | CONST_PERSISTENT);
     252             : 
     253       21257 :         REGISTER_LONG_CONSTANT("FILTER_CALLBACK", FILTER_CALLBACK, CONST_CS | CONST_PERSISTENT);
     254             : 
     255       21257 :         REGISTER_LONG_CONSTANT("FILTER_FLAG_ALLOW_OCTAL", FILTER_FLAG_ALLOW_OCTAL, CONST_CS | CONST_PERSISTENT);
     256       21257 :         REGISTER_LONG_CONSTANT("FILTER_FLAG_ALLOW_HEX", FILTER_FLAG_ALLOW_HEX, CONST_CS | CONST_PERSISTENT);
     257             : 
     258       21257 :         REGISTER_LONG_CONSTANT("FILTER_FLAG_STRIP_LOW", FILTER_FLAG_STRIP_LOW, CONST_CS | CONST_PERSISTENT);
     259       21257 :         REGISTER_LONG_CONSTANT("FILTER_FLAG_STRIP_HIGH", FILTER_FLAG_STRIP_HIGH, CONST_CS | CONST_PERSISTENT);
     260       21257 :         REGISTER_LONG_CONSTANT("FILTER_FLAG_STRIP_BACKTICK", FILTER_FLAG_STRIP_BACKTICK, CONST_CS | CONST_PERSISTENT);
     261       21257 :         REGISTER_LONG_CONSTANT("FILTER_FLAG_ENCODE_LOW", FILTER_FLAG_ENCODE_LOW, CONST_CS | CONST_PERSISTENT);
     262       21257 :         REGISTER_LONG_CONSTANT("FILTER_FLAG_ENCODE_HIGH", FILTER_FLAG_ENCODE_HIGH, CONST_CS | CONST_PERSISTENT);
     263       21257 :         REGISTER_LONG_CONSTANT("FILTER_FLAG_ENCODE_AMP", FILTER_FLAG_ENCODE_AMP, CONST_CS | CONST_PERSISTENT);
     264       21257 :         REGISTER_LONG_CONSTANT("FILTER_FLAG_NO_ENCODE_QUOTES", FILTER_FLAG_NO_ENCODE_QUOTES, CONST_CS | CONST_PERSISTENT);
     265       21257 :         REGISTER_LONG_CONSTANT("FILTER_FLAG_EMPTY_STRING_NULL", FILTER_FLAG_EMPTY_STRING_NULL, CONST_CS | CONST_PERSISTENT);
     266             : 
     267       21257 :         REGISTER_LONG_CONSTANT("FILTER_FLAG_ALLOW_FRACTION", FILTER_FLAG_ALLOW_FRACTION, CONST_CS | CONST_PERSISTENT);
     268       21257 :         REGISTER_LONG_CONSTANT("FILTER_FLAG_ALLOW_THOUSAND", FILTER_FLAG_ALLOW_THOUSAND, CONST_CS | CONST_PERSISTENT);
     269       21257 :         REGISTER_LONG_CONSTANT("FILTER_FLAG_ALLOW_SCIENTIFIC", FILTER_FLAG_ALLOW_SCIENTIFIC, CONST_CS | CONST_PERSISTENT);
     270             : 
     271       21257 :         REGISTER_LONG_CONSTANT("FILTER_FLAG_SCHEME_REQUIRED", FILTER_FLAG_SCHEME_REQUIRED, CONST_CS | CONST_PERSISTENT);
     272       21257 :         REGISTER_LONG_CONSTANT("FILTER_FLAG_HOST_REQUIRED", FILTER_FLAG_HOST_REQUIRED, CONST_CS | CONST_PERSISTENT);
     273       21257 :         REGISTER_LONG_CONSTANT("FILTER_FLAG_PATH_REQUIRED", FILTER_FLAG_PATH_REQUIRED, CONST_CS | CONST_PERSISTENT);
     274       21257 :         REGISTER_LONG_CONSTANT("FILTER_FLAG_QUERY_REQUIRED", FILTER_FLAG_QUERY_REQUIRED, CONST_CS | CONST_PERSISTENT);
     275             : 
     276       21257 :         REGISTER_LONG_CONSTANT("FILTER_FLAG_IPV4", FILTER_FLAG_IPV4, CONST_CS | CONST_PERSISTENT);
     277       21257 :         REGISTER_LONG_CONSTANT("FILTER_FLAG_IPV6", FILTER_FLAG_IPV6, CONST_CS | CONST_PERSISTENT);
     278       21257 :         REGISTER_LONG_CONSTANT("FILTER_FLAG_NO_RES_RANGE", FILTER_FLAG_NO_RES_RANGE, CONST_CS | CONST_PERSISTENT);
     279       21257 :         REGISTER_LONG_CONSTANT("FILTER_FLAG_NO_PRIV_RANGE", FILTER_FLAG_NO_PRIV_RANGE, CONST_CS | CONST_PERSISTENT);
     280             : 
     281       21257 :         sapi_register_input_filter(php_sapi_filter, php_sapi_filter_init TSRMLS_CC);
     282             : 
     283       21257 :         return SUCCESS;
     284             : }
     285             : /* }}} */
     286             : 
     287             : /* {{{ PHP_MSHUTDOWN_FUNCTION
     288             :  */
     289       21290 : PHP_MSHUTDOWN_FUNCTION(filter)
     290             : {
     291       21290 :         UNREGISTER_INI_ENTRIES();
     292             : 
     293       21290 :         return SUCCESS;
     294             : }
     295             : /* }}} */
     296             : 
     297             : /* {{{ PHP_RSHUTDOWN_FUNCTION
     298             :  */
     299             : #define VAR_ARRAY_COPY_DTOR(a)   \
     300             :         if (IF_G(a)) {               \
     301             :                 zval_ptr_dtor(&IF_G(a)); \
     302             :                 IF_G(a) = NULL;          \
     303             :         }
     304             : 
     305       21249 : PHP_RSHUTDOWN_FUNCTION(filter)
     306             : {
     307       21249 :         VAR_ARRAY_COPY_DTOR(get_array)
     308       21249 :         VAR_ARRAY_COPY_DTOR(post_array)
     309       21249 :         VAR_ARRAY_COPY_DTOR(cookie_array)
     310       21249 :         VAR_ARRAY_COPY_DTOR(server_array)
     311       21249 :         VAR_ARRAY_COPY_DTOR(env_array)
     312       21249 :         VAR_ARRAY_COPY_DTOR(session_array)
     313       21249 :         return SUCCESS;
     314             : }
     315             : /* }}} */
     316             : 
     317             : /* {{{ PHP_MINFO_FUNCTION
     318             :  */
     319         150 : PHP_MINFO_FUNCTION(filter)
     320             : {
     321         150 :         php_info_print_table_start();
     322         150 :         php_info_print_table_row( 2, "Input Validation and Filtering", "enabled" );
     323         150 :         php_info_print_table_row( 2, "Revision", "$Id: 4d3899e089e6e45b157975ceef2ac7deb6e9d762 $");
     324         150 :         php_info_print_table_end();
     325             : 
     326         150 :         DISPLAY_INI_ENTRIES();
     327         150 : }
     328             : /* }}} */
     329             : 
     330         983 : static filter_list_entry php_find_filter(long id) /* {{{ */
     331             : {
     332         983 :         int i, size = sizeof(filter_list) / sizeof(filter_list_entry);
     333             : 
     334        8006 :         for (i = 0; i < size; ++i) {
     335        8001 :                 if (filter_list[i].id == id) {
     336         978 :                         return filter_list[i];
     337             :                 }
     338             :         }
     339             :         /* Fallback to "string" filter */
     340          70 :         for (i = 0; i < size; ++i) {
     341          70 :                 if (filter_list[i].id == FILTER_DEFAULT) {
     342           5 :                         return filter_list[i];
     343             :                 }
     344             :         }
     345             :         /* To shut up GCC */
     346           0 :         return filter_list[0];
     347             : }
     348             : /* }}} */
     349             : 
     350       21214 : static unsigned int php_sapi_filter_init(TSRMLS_D)
     351             : {
     352       21214 :         IF_G(get_array) = NULL;
     353       21214 :         IF_G(post_array) = NULL;
     354       21214 :         IF_G(cookie_array) = NULL;
     355       21214 :         IF_G(server_array) = NULL;
     356       21214 :         IF_G(env_array) = NULL;
     357       21214 :         IF_G(session_array) = NULL;
     358       21214 :         return SUCCESS;
     359             : }
     360             : 
     361         983 : static void php_zval_filter(zval **value, long filter, long flags, zval *options, char* charset, zend_bool copy TSRMLS_DC) /* {{{ */
     362             : {
     363             :         filter_list_entry  filter_func;
     364             : 
     365         983 :         filter_func = php_find_filter(filter);
     366             : 
     367         983 :         if (!filter_func.id) {
     368             :                 /* Find default filter */
     369           0 :                 filter_func = php_find_filter(FILTER_DEFAULT);
     370             :         }
     371             : 
     372         983 :         if (copy) {
     373        1902 :                 SEPARATE_ZVAL(value);
     374             :         }
     375             : 
     376             :         /* #49274, fatal error with object without a toString method
     377             :           Fails nicely instead of getting a recovarable fatal error. */
     378         983 :         if (Z_TYPE_PP(value) == IS_OBJECT) {
     379             :                 zend_class_entry *ce;
     380             : 
     381           2 :                 ce = Z_OBJCE_PP(value);
     382           2 :                 if (!ce->__tostring) {
     383           1 :                         ZVAL_FALSE(*value);
     384           1 :                         return;
     385             :                 }
     386             :         }
     387             : 
     388             :         /* Here be strings */
     389         982 :         convert_to_string(*value);
     390             : 
     391         982 :         filter_func.function(*value, flags, options, charset TSRMLS_CC);
     392             : 
     393        1269 :         if (
     394         112 :                 options && (Z_TYPE_P(options) == IS_ARRAY || Z_TYPE_P(options) == IS_OBJECT) &&
     395          41 :                 ((flags & FILTER_NULL_ON_FAILURE && Z_TYPE_PP(value) == IS_NULL) || 
     396         108 :                 (!(flags & FILTER_NULL_ON_FAILURE) && Z_TYPE_PP(value) == IS_BOOL && Z_LVAL_PP(value) == 0)) &&
     397          26 :                 zend_hash_exists(HASH_OF(options), "default", sizeof("default"))
     398          26 :         ) {
     399             :                 zval **tmp; 
     400           1 :                 if (zend_hash_find(HASH_OF(options), "default", sizeof("default"), (void **)&tmp) == SUCCESS) {
     401           3 :                         MAKE_COPY_ZVAL(tmp, *value);
     402             :                 }
     403             :         }
     404             : }
     405             : /* }}} */
     406             : 
     407      104656 : static unsigned int php_sapi_filter(int arg, char *var, char **val, unsigned int val_len, unsigned int *new_val_len TSRMLS_DC) /* {{{ */
     408             : {
     409             :         zval  new_var, raw_var;
     410      104656 :         zval *array_ptr = NULL, *orig_array_ptr = NULL;
     411      104656 :         int retval = 0;
     412             : 
     413             :         assert(*val != NULL);
     414             : 
     415             : #define PARSE_CASE(s,a,t)                    \
     416             :                 case s:                              \
     417             :                         if (!IF_G(a)) {                  \
     418             :                                 ALLOC_ZVAL(array_ptr);       \
     419             :                                 array_init(array_ptr);       \
     420             :                                 INIT_PZVAL(array_ptr);       \
     421             :                                 IF_G(a) = array_ptr;         \
     422             :                         } else {                         \
     423             :                                 array_ptr = IF_G(a);         \
     424             :                         }                                \
     425             :                         orig_array_ptr = PG(http_globals)[t]; \
     426             :                         break;
     427             : 
     428      104656 :         switch (arg) {
     429         117 :                 PARSE_CASE(PARSE_POST,    post_array,    TRACK_VARS_POST)
     430         235 :                 PARSE_CASE(PARSE_GET,     get_array,     TRACK_VARS_GET)
     431          39 :                 PARSE_CASE(PARSE_COOKIE,  cookie_array,  TRACK_VARS_COOKIE)
     432      104146 :                 PARSE_CASE(PARSE_SERVER,  server_array,  TRACK_VARS_SERVER)
     433           0 :                 PARSE_CASE(PARSE_ENV,     env_array,     TRACK_VARS_ENV)
     434             : 
     435             :                 case PARSE_STRING: /* PARSE_STRING is used by parse_str() function */
     436         119 :                         retval = 1;
     437             :                         break;
     438             :         }
     439             : 
     440             :         /* 
     441             :          * According to rfc2965, more specific paths are listed above the less specific ones.
     442             :          * If we encounter a duplicate cookie name, we should skip it, since it is not possible
     443             :          * to have the same (plain text) cookie name for the same path and we should not overwrite
     444             :          * more specific cookies with the less specific ones.
     445             :         */
     446      104656 :         if (arg == PARSE_COOKIE && orig_array_ptr && zend_symtable_exists(Z_ARRVAL_P(orig_array_ptr), var, strlen(var)+1)) {
     447           3 :                 return 0;
     448             :         }
     449             : 
     450      104653 :         if (array_ptr) {
     451             :                 /* Store the RAW variable internally */
     452      104534 :                 Z_STRLEN(raw_var) = val_len;
     453      104534 :                 Z_STRVAL(raw_var) = estrndup(*val, val_len);
     454      104534 :                 Z_TYPE(raw_var) = IS_STRING;
     455             : 
     456      104534 :                 php_register_variable_ex(var, &raw_var, array_ptr TSRMLS_CC);
     457             :         }
     458             : 
     459      104653 :         if (val_len) {
     460             :                 /* Register mangled variable */
     461       83538 :                 Z_STRLEN(new_var) = val_len;
     462       83538 :                 Z_TYPE(new_var) = IS_STRING;
     463             : 
     464       83538 :                 if (IF_G(default_filter) != FILTER_UNSAFE_RAW) {
     465           9 :                         zval *tmp_new_var = &new_var;
     466           9 :                         Z_STRVAL(new_var) = estrndup(*val, val_len);
     467           9 :                         INIT_PZVAL(tmp_new_var);
     468           9 :                         php_zval_filter(&tmp_new_var, IF_G(default_filter), IF_G(default_filter_flags), NULL, NULL/*charset*/, 0 TSRMLS_CC);
     469             :                 } else {
     470       83529 :                         Z_STRVAL(new_var) = estrndup(*val, val_len);
     471             :                 }
     472             :         } else { /* empty string */
     473       21115 :                 ZVAL_EMPTY_STRING(&new_var);
     474             :         }
     475             : 
     476      104653 :         if (orig_array_ptr) {
     477      104534 :                 php_register_variable_ex(var, &new_var, orig_array_ptr TSRMLS_CC);
     478             :         }
     479             : 
     480      104653 :         if (retval) {
     481         119 :                 if (new_val_len) {
     482         111 :                         *new_val_len = Z_STRLEN(new_var);
     483             :                 }
     484         119 :                 efree(*val);
     485         119 :                 if (Z_STRLEN(new_var)) {
     486         112 :                         *val = estrndup(Z_STRVAL(new_var), Z_STRLEN(new_var));
     487             :                 } else {
     488           7 :                         *val = estrdup("");
     489             :                 }
     490             :                 zval_dtor(&new_var);
     491             :         }
     492             : 
     493      104653 :         return retval;
     494             : }
     495             : /* }}} */
     496             : 
     497          19 : static void php_zval_filter_recursive(zval **value, long filter, long flags, zval *options, char *charset, zend_bool copy TSRMLS_DC) /* {{{ */
     498             : {
     499          19 :         if (Z_TYPE_PP(value) == IS_ARRAY) {
     500             :                 zval **element;
     501             :                 HashPosition pos;
     502             : 
     503          19 :                 if (Z_ARRVAL_PP(value)->nApplyCount > 1) {
     504           0 :                         return;
     505             :                 }
     506             : 
     507          81 :                 for (zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(value), &pos);
     508          62 :                          zend_hash_get_current_data_ex(Z_ARRVAL_PP(value), (void **) &element, &pos) == SUCCESS;
     509          43 :                          zend_hash_move_forward_ex(Z_ARRVAL_PP(value), &pos)
     510          43 :                 ) {
     511         215 :                         SEPARATE_ZVAL_IF_NOT_REF(element);
     512          43 :                         if (Z_TYPE_PP(element) == IS_ARRAY) {
     513           5 :                                 Z_ARRVAL_PP(element)->nApplyCount++;
     514           5 :                                 php_zval_filter_recursive(element, filter, flags, options, charset, copy TSRMLS_CC);
     515           5 :                                 Z_ARRVAL_PP(element)->nApplyCount--;
     516             :                         } else {
     517          38 :                                 php_zval_filter(element, filter, flags, options, charset, copy TSRMLS_CC);
     518             :                         }
     519             :                 }
     520             :         } else {
     521           0 :                 php_zval_filter(value, filter, flags, options, charset, copy TSRMLS_CC);
     522             :         }
     523             : }
     524             : /* }}} */
     525             : 
     526          48 : static zval *php_filter_get_storage(long arg TSRMLS_DC)/* {{{ */
     527             : 
     528             : {
     529          48 :         zval *array_ptr = NULL;
     530             : 
     531          48 :         switch (arg) {
     532             :                 case PARSE_GET:
     533          23 :                         array_ptr = IF_G(get_array);
     534          23 :                         break;
     535             :                 case PARSE_POST:
     536          14 :                         array_ptr = IF_G(post_array);
     537          14 :                         break;
     538             :                 case PARSE_COOKIE:
     539           7 :                         array_ptr = IF_G(cookie_array);
     540           7 :                         break;
     541             :                 case PARSE_SERVER:
     542           2 :                         if (PG(auto_globals_jit)) {
     543           2 :                                 zend_is_auto_global("_SERVER", sizeof("_SERVER")-1 TSRMLS_CC);
     544             :                         }
     545           2 :                         array_ptr = IF_G(server_array);
     546           2 :                         break;
     547             :                 case PARSE_ENV:
     548           0 :                         if (PG(auto_globals_jit)) {
     549           0 :                                 zend_is_auto_global("_ENV", sizeof("_ENV")-1 TSRMLS_CC);
     550             :                         }
     551           0 :                         array_ptr = IF_G(env_array) ? IF_G(env_array) : PG(http_globals)[TRACK_VARS_ENV];
     552           0 :                         break;
     553             :                 case PARSE_SESSION:
     554             :                         /* FIXME: Implement session source */
     555           0 :                         php_error_docref(NULL TSRMLS_CC, E_WARNING, "INPUT_SESSION is not yet implemented");
     556           0 :                         break;
     557             :                 case PARSE_REQUEST:
     558             :                         /* FIXME: Implement request source */
     559           0 :                         php_error_docref(NULL TSRMLS_CC, E_WARNING, "INPUT_REQUEST is not yet implemented");
     560             :                         break;
     561             :         }
     562             : 
     563          48 :         return array_ptr;
     564             : }
     565             : /* }}} */
     566             : 
     567             : /* {{{ proto mixed filter_has_var(constant type, string variable_name)
     568             :  * Returns true if the variable with the name 'name' exists in source.
     569             :  */
     570          31 : PHP_FUNCTION(filter_has_var)
     571             : {
     572             :         long        arg;
     573             :         char       *var;
     574             :         int         var_len;
     575          31 :         zval       *array_ptr = NULL;
     576             : 
     577          31 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ls", &arg, &var, &var_len) == FAILURE) {
     578           9 :                 RETURN_FALSE;
     579             :         }
     580             : 
     581          22 :         array_ptr = php_filter_get_storage(arg TSRMLS_CC);
     582             : 
     583          22 :         if (array_ptr && HASH_OF(array_ptr) && zend_hash_exists(HASH_OF(array_ptr), var, var_len + 1)) {
     584           9 :                 RETURN_TRUE;
     585             :         }
     586             : 
     587          13 :         RETURN_FALSE;
     588             : }
     589             : /* }}} */
     590             : 
     591         955 : static void php_filter_call(zval **filtered, long filter, zval **filter_args, const int copy, long filter_flags TSRMLS_DC) /* {{{ */
     592             : {
     593         955 :         zval  *options = NULL;
     594             :         zval **option;
     595         955 :         char  *charset = NULL;
     596             : 
     597        1117 :         if (filter_args && Z_TYPE_PP(filter_args) != IS_ARRAY) {
     598             :                 long lval;
     599             : 
     600         175 :                 PHP_FILTER_GET_LONG_OPT(filter_args, lval);
     601             : 
     602         162 :                 if (filter != -1) { /* handler for array apply */
     603             :                         /* filter_args is the filter_flags */
     604         151 :                         filter_flags = lval;
     605             : 
     606         151 :                         if (!(filter_flags & FILTER_REQUIRE_ARRAY ||  filter_flags & FILTER_FORCE_ARRAY)) {
     607         146 :                                 filter_flags |= FILTER_REQUIRE_SCALAR;
     608             :                         }
     609             :                 } else {
     610          11 :                         filter = lval;
     611             :                 }
     612         793 :         } else if (filter_args) {
     613         567 :                 if (zend_hash_find(HASH_OF(*filter_args), "filter", sizeof("filter"), (void **)&option) == SUCCESS) {
     614          10 :                         PHP_FILTER_GET_LONG_OPT(option, filter);
     615             :                 }
     616             : 
     617         567 :                 if (zend_hash_find(HASH_OF(*filter_args), "flags", sizeof("flags"), (void **)&option) == SUCCESS) {
     618         313 :                         PHP_FILTER_GET_LONG_OPT(option, filter_flags);
     619             : 
     620         311 :                         if (!(filter_flags & FILTER_REQUIRE_ARRAY ||  filter_flags & FILTER_FORCE_ARRAY)) {
     621         300 :                                 filter_flags |= FILTER_REQUIRE_SCALAR;
     622             :                         }
     623             :                 }
     624             : 
     625         567 :                 if (zend_hash_find(HASH_OF(*filter_args), "options", sizeof("options"), (void **)&option) == SUCCESS) {
     626         254 :                         if (filter != FILTER_CALLBACK) {
     627         217 :                                 if (Z_TYPE_PP(option) == IS_ARRAY) {
     628          37 :                                         options = *option;
     629             :                                 }
     630             :                         } else {
     631          37 :                                 options = *option;
     632          37 :                                 filter_flags = 0;
     633             :                         }
     634             :                 }
     635             :         }
     636             : 
     637         955 :         if (Z_TYPE_PP(filtered) == IS_ARRAY) {
     638          18 :                 if (filter_flags & FILTER_REQUIRE_SCALAR) {
     639           4 :                         if (copy) {
     640           4 :                                 SEPARATE_ZVAL(filtered);
     641             :                         }
     642           4 :                         zval_dtor(*filtered);
     643           4 :                         if (filter_flags & FILTER_NULL_ON_FAILURE) {
     644           0 :                                 ZVAL_NULL(*filtered);
     645             :                         } else {
     646           4 :                                 ZVAL_FALSE(*filtered);
     647             :                         }
     648           4 :                         return;
     649             :                 }
     650          14 :                 php_zval_filter_recursive(filtered, filter, filter_flags, options, charset, copy TSRMLS_CC);
     651          14 :                 return;
     652             :         }
     653         937 :         if (filter_flags & FILTER_REQUIRE_ARRAY) {
     654           1 :                 if (copy) {
     655           2 :                         SEPARATE_ZVAL(filtered);
     656             :                 }
     657           1 :                 zval_dtor(*filtered);
     658           1 :                 if (filter_flags & FILTER_NULL_ON_FAILURE) {
     659           0 :                         ZVAL_NULL(*filtered);
     660             :                 } else {
     661           1 :                         ZVAL_FALSE(*filtered);
     662             :                 }
     663           1 :                 return;
     664             :         }
     665             : 
     666         936 :         php_zval_filter(filtered, filter, filter_flags, options, charset, copy TSRMLS_CC);
     667         936 :         if (filter_flags & FILTER_FORCE_ARRAY) {
     668             :                 zval *tmp;
     669             : 
     670           5 :                 ALLOC_ZVAL(tmp);
     671           5 :                 MAKE_COPY_ZVAL(filtered, tmp);
     672             : 
     673           5 :                 zval_dtor(*filtered);
     674             : 
     675           5 :                 array_init(*filtered);
     676           5 :                 add_next_index_zval(*filtered, tmp);
     677             :         }
     678             : }
     679             : /* }}} */
     680             : 
     681          22 : static void php_filter_array_handler(zval *input, zval **op, zval *return_value, zend_bool add_empty TSRMLS_DC) /* {{{ */
     682             : {
     683             :         char *arg_key;
     684             :         uint arg_key_len;
     685             :         ulong index;
     686             :         HashPosition pos;
     687             :         zval **tmp, **arg_elm;
     688             : 
     689          22 :         if (!op) {
     690           2 :                 zval_dtor(return_value);
     691           6 :                 MAKE_COPY_ZVAL(&input, return_value);
     692           2 :                 php_filter_call(&return_value, FILTER_DEFAULT, NULL, 0, FILTER_REQUIRE_ARRAY TSRMLS_CC);
     693          20 :         } else if (Z_TYPE_PP(op) == IS_LONG) {
     694           0 :                 zval_dtor(return_value);
     695           0 :                 MAKE_COPY_ZVAL(&input, return_value);
     696           0 :                 php_filter_call(&return_value, Z_LVAL_PP(op), NULL, 0, FILTER_REQUIRE_ARRAY TSRMLS_CC);
     697          20 :         } else if (Z_TYPE_PP(op) == IS_ARRAY) {
     698          15 :                 array_init(return_value);
     699             : 
     700          15 :                 zend_hash_internal_pointer_reset(Z_ARRVAL_PP(op));
     701          62 :                 for (zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(op), &pos);
     702          47 :                         zend_hash_get_current_data_ex(Z_ARRVAL_PP(op), (void **) &arg_elm, &pos) == SUCCESS;
     703          32 :                         zend_hash_move_forward_ex(Z_ARRVAL_PP(op), &pos))
     704             :                 {
     705          34 :                         if (zend_hash_get_current_key_ex(Z_ARRVAL_PP(op), &arg_key, &arg_key_len, &index, 0, &pos) != HASH_KEY_IS_STRING) {
     706           0 :                                 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Numeric keys are not allowed in the definition array");
     707           0 :                                 zval_dtor(return_value);
     708           0 :                                 RETURN_FALSE;
     709             :                         }
     710          34 :                         if (arg_key_len < 2) {
     711           2 :                                 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Empty keys are not allowed in the definition array");
     712           2 :                                 zval_dtor(return_value);
     713           2 :                                 RETURN_FALSE;
     714             :                         }
     715          32 :                         if (zend_hash_find(Z_ARRVAL_P(input), arg_key, arg_key_len, (void **)&tmp) != SUCCESS) {
     716          10 :                                 if (add_empty) {
     717           9 :                                         add_assoc_null_ex(return_value, arg_key, arg_key_len);
     718             :                                 }
     719             :                         } else {
     720             :                                 zval *nval;
     721             : 
     722          22 :                                 ALLOC_ZVAL(nval);
     723          66 :                                 MAKE_COPY_ZVAL(tmp, nval);
     724             : 
     725          22 :                                 php_filter_call(&nval, -1, arg_elm, 0, FILTER_REQUIRE_SCALAR TSRMLS_CC);
     726          22 :                                 add_assoc_zval_ex(return_value, arg_key, arg_key_len, nval);
     727             :                         }
     728             :                 }
     729             :         } else {
     730           5 :                 RETURN_FALSE;
     731             :         }
     732             : }
     733             : /* }}} */
     734             : 
     735             : /* {{{ proto mixed filter_input(constant type, string variable_name [, long filter [, mixed options]])
     736             :  * Returns the filtered variable 'name'* from source `type`.
     737             :  */
     738          26 : PHP_FUNCTION(filter_input)
     739             : {
     740          26 :         long   fetch_from, filter = FILTER_DEFAULT;
     741          26 :         zval **filter_args = NULL, **tmp;
     742          26 :         zval  *input = NULL;
     743             :         char *var;
     744             :         int var_len;
     745             : 
     746          26 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ls|lZ", &fetch_from, &var, &var_len, &filter, &filter_args) == FAILURE) {
     747           1 :                 return;
     748             :         }
     749             : 
     750          25 :         if (!PHP_FILTER_ID_EXISTS(filter)) {
     751           0 :                 RETURN_FALSE;
     752             :         }
     753             : 
     754          25 :         input = php_filter_get_storage(fetch_from TSRMLS_CC);
     755             : 
     756          25 :         if (!input || !HASH_OF(input) || zend_hash_find(HASH_OF(input), var, var_len + 1, (void **)&tmp) != SUCCESS) {
     757           5 :                 long filter_flags = 0;
     758             :                 zval **option, **opt, **def;
     759           5 :                 if (filter_args) {
     760           1 :                         if (Z_TYPE_PP(filter_args) == IS_LONG) {
     761           0 :                                 filter_flags = Z_LVAL_PP(filter_args);
     762           1 :                         } else if (Z_TYPE_PP(filter_args) == IS_ARRAY && zend_hash_find(HASH_OF(*filter_args), "flags", sizeof("flags"), (void **)&option) == SUCCESS) {
     763           1 :                                 PHP_FILTER_GET_LONG_OPT(option, filter_flags);
     764             :                         }
     765           4 :                         if (Z_TYPE_PP(filter_args) == IS_ARRAY && 
     766           1 :                                 zend_hash_find(HASH_OF(*filter_args), "options", sizeof("options"), (void **)&opt) == SUCCESS &&
     767           1 :                                 Z_TYPE_PP(opt) == IS_ARRAY &&
     768           1 :                                 zend_hash_find(HASH_OF(*opt), "default", sizeof("default"), (void **)&def) == SUCCESS
     769             :                         ) {
     770           3 :                                 MAKE_COPY_ZVAL(def, return_value);
     771           1 :                                 return;
     772             :                         }
     773             :                 }
     774             : 
     775             :                 /* The FILTER_NULL_ON_FAILURE flag inverts the usual return values of
     776             :                  * the function: normally when validation fails false is returned, and
     777             :                  * when the input value doesn't exist NULL is returned. With the flag
     778             :                  * set, NULL and false should be returned, respectively. Ergo, although
     779             :                  * the code below looks incorrect, it's actually right. */
     780           4 :                 if (filter_flags & FILTER_NULL_ON_FAILURE) {
     781           0 :                         RETURN_FALSE;
     782             :                 } else {
     783           4 :                         RETURN_NULL();
     784             :                 }
     785             :         }
     786             : 
     787          60 :         MAKE_COPY_ZVAL(tmp, return_value);
     788             : 
     789          20 :         php_filter_call(&return_value, filter, filter_args, 1, FILTER_REQUIRE_SCALAR TSRMLS_CC);
     790             : }
     791             : /* }}} */
     792             : 
     793             : /* {{{ proto mixed filter_var(mixed variable [, long filter [, mixed options]])
     794             :  * Returns the filtered version of the vriable.
     795             :  */
     796         917 : PHP_FUNCTION(filter_var)
     797             : {
     798         917 :         long filter = FILTER_DEFAULT;
     799         917 :         zval **filter_args = NULL, *data;
     800             : 
     801         917 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z/|lZ", &data, &filter, &filter_args) == FAILURE) {
     802           4 :                 return;
     803             :         }
     804             : 
     805         913 :         if (!PHP_FILTER_ID_EXISTS(filter)) {
     806           2 :                 RETURN_FALSE;
     807             :         }
     808             : 
     809        2733 :         MAKE_COPY_ZVAL(&data, return_value);
     810             : 
     811         911 :         php_filter_call(&return_value, filter, filter_args, 1, FILTER_REQUIRE_SCALAR TSRMLS_CC);
     812             : }
     813             : /* }}} */
     814             : 
     815             : /* {{{ proto mixed filter_input_array(constant type, [, mixed options [, bool add_empty]]])
     816             :  * Returns an array with all arguments defined in 'definition'.
     817             :  */
     818           1 : PHP_FUNCTION(filter_input_array)
     819             : {
     820             :         long    fetch_from;
     821           1 :         zval   *array_input = NULL, **op = NULL;
     822           1 :         zend_bool add_empty = 1;
     823             : 
     824           1 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l|Zb",  &fetch_from, &op, &add_empty) == FAILURE) {
     825           0 :                 return;
     826             :         }
     827             : 
     828           2 :         if (op
     829           2 :                 && (Z_TYPE_PP(op) != IS_ARRAY)
     830           0 :                 && (Z_TYPE_PP(op) == IS_LONG && !PHP_FILTER_ID_EXISTS(Z_LVAL_PP(op)))
     831             :                 ) {
     832           0 :                 RETURN_FALSE;
     833             :         }
     834             : 
     835           1 :         array_input = php_filter_get_storage(fetch_from TSRMLS_CC);
     836             : 
     837           1 :         if (!array_input || !HASH_OF(array_input)) {
     838           0 :                 long filter_flags = 0;
     839             :                 zval **option;
     840           0 :                 if (op) {
     841           0 :                         if (Z_TYPE_PP(op) == IS_LONG) {
     842           0 :                                 filter_flags = Z_LVAL_PP(op);
     843           0 :                         } else if (Z_TYPE_PP(op) == IS_ARRAY && zend_hash_find(HASH_OF(*op), "flags", sizeof("flags"), (void **)&option) == SUCCESS) {
     844           0 :                                 PHP_FILTER_GET_LONG_OPT(option, filter_flags);
     845             :                         }
     846             :                 }
     847             : 
     848             :                 /* The FILTER_NULL_ON_FAILURE flag inverts the usual return values of
     849             :                  * the function: normally when validation fails false is returned, and
     850             :                  * when the input value doesn't exist NULL is returned. With the flag
     851             :                  * set, NULL and false should be returned, respectively. Ergo, although
     852             :                  * the code below looks incorrect, it's actually right. */
     853           0 :                 if (filter_flags & FILTER_NULL_ON_FAILURE) {
     854           0 :                         RETURN_FALSE;
     855             :                 } else {
     856           0 :                         RETURN_NULL();
     857             :                 }
     858             :         }
     859             : 
     860           1 :         php_filter_array_handler(array_input, op, return_value, add_empty TSRMLS_CC);
     861             : }
     862             : /* }}} */
     863             : 
     864             : /* {{{ proto mixed filter_var_array(array data, [, mixed options [, bool add_empty]]])
     865             :  * Returns an array with all arguments defined in 'definition'.
     866             :  */
     867          30 : PHP_FUNCTION(filter_var_array)
     868             : {
     869          30 :         zval *array_input = NULL, **op = NULL;
     870          30 :         zend_bool add_empty = 1;
     871             : 
     872          30 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "a|Zb",  &array_input, &op, &add_empty) == FAILURE) {
     873           1 :                 return;
     874             :         }
     875             : 
     876         101 :         if (op
     877          56 :                 && (Z_TYPE_PP(op) != IS_ARRAY)
     878          45 :                 && (Z_TYPE_PP(op) == IS_LONG && !PHP_FILTER_ID_EXISTS(Z_LVAL_PP(op)))
     879             :                 ) {
     880           8 :                 RETURN_FALSE;
     881             :         }
     882             : 
     883          21 :         php_filter_array_handler(array_input, op, return_value, add_empty TSRMLS_CC);
     884             : }
     885             : /* }}} */
     886             : 
     887             : /* {{{ proto filter_list()
     888             :  * Returns a list of all supported filters */
     889           3 : PHP_FUNCTION(filter_list)
     890             : {
     891           3 :         int i, size = sizeof(filter_list) / sizeof(filter_list_entry);
     892             : 
     893           3 :         if (zend_parse_parameters_none() == FAILURE) {
     894           1 :                 return;
     895             :         }
     896             : 
     897           2 :         array_init(return_value);
     898          42 :         for (i = 0; i < size; ++i) {
     899          40 :                 add_next_index_string(return_value, (char *)filter_list[i].name, 1);
     900             :         }
     901             : }
     902             : /* }}} */
     903             : 
     904             : /* {{{ proto filter_id(string filtername)
     905             :  * Returns the filter ID belonging to a named filter */
     906         208 : PHP_FUNCTION(filter_id)
     907             : {
     908             :         int i, filter_len;
     909         208 :         int size = sizeof(filter_list) / sizeof(filter_list_entry);
     910             :         char *filter;
     911             : 
     912         208 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &filter, &filter_len) == FAILURE) {
     913           2 :                 return;
     914             :         }
     915             : 
     916        2178 :         for (i = 0; i < size; ++i) {
     917        2176 :                 if (strcmp(filter_list[i].name, filter) == 0) {
     918         204 :                         RETURN_LONG(filter_list[i].id);
     919             :                 }
     920             :         }
     921             : 
     922           2 :         RETURN_FALSE;
     923             : }
     924             : /* }}} */
     925             : 
     926             : /*
     927             :  * Local variables:
     928             :  * tab-width: 4
     929             :  * c-basic-offset: 4
     930             :  * End:
     931             :  * vim600: noet sw=4 ts=4 fdm=marker
     932             :  * vim<600: noet sw=4 ts=4
     933             :  */

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