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LCOV - code coverage report
Current view: top level - ext/hash - hash.c (source / functions) Hit Total Coverage
Test: PHP Code Coverage Lines: 441 502 87.8 %
Date: 2015-08-29 Functions: 30 32 93.8 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :   +----------------------------------------------------------------------+
       3             :   | PHP Version 7                                                        |
       4             :   +----------------------------------------------------------------------+
       5             :   | Copyright (c) 1997-2015 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             :   | Author: Sara Golemon <pollita@php.net>                               |
      16             :   |         Scott MacVicar <scottmac@php.net>                            |
      17             :   +----------------------------------------------------------------------+
      18             : */
      19             : 
      20             : /* $Id$ */
      21             : 
      22             : #ifdef HAVE_CONFIG_H
      23             : #include "config.h"
      24             : #endif
      25             : 
      26             : #include <math.h>
      27             : #include "php_hash.h"
      28             : #include "ext/standard/info.h"
      29             : #include "ext/standard/file.h"
      30             : 
      31             : static int php_hash_le_hash;
      32             : HashTable php_hash_hashtable;
      33             : 
      34             : #if (PHP_MAJOR_VERSION >= 5)
      35             : # define DEFAULT_CONTEXT FG(default_context)
      36             : #else
      37             : # define DEFAULT_CONTEXT NULL
      38             : #endif
      39             : 
      40             : #ifdef PHP_MHASH_BC
      41             : struct mhash_bc_entry {
      42             :         char *mhash_name;
      43             :         char *hash_name;
      44             :         int value;
      45             : };
      46             : 
      47             : #define MHASH_NUM_ALGOS 34
      48             : 
      49             : static struct mhash_bc_entry mhash_to_hash[MHASH_NUM_ALGOS] = {
      50             :         {"CRC32", "crc32", 0},
      51             :         {"MD5", "md5", 1},
      52             :         {"SHA1", "sha1", 2},
      53             :         {"HAVAL256", "haval256,3", 3},
      54             :         {NULL, NULL, 4},
      55             :         {"RIPEMD160", "ripemd160", 5},
      56             :         {NULL, NULL, 6},
      57             :         {"TIGER", "tiger192,3", 7},
      58             :         {"GOST", "gost", 8},
      59             :         {"CRC32B", "crc32b", 9},
      60             :         {"HAVAL224", "haval224,3", 10},
      61             :         {"HAVAL192", "haval192,3", 11},
      62             :         {"HAVAL160", "haval160,3", 12},
      63             :         {"HAVAL128", "haval128,3", 13},
      64             :         {"TIGER128", "tiger128,3", 14},
      65             :         {"TIGER160", "tiger160,3", 15},
      66             :         {"MD4", "md4", 16},
      67             :         {"SHA256", "sha256", 17},
      68             :         {"ADLER32", "adler32", 18},
      69             :         {"SHA224", "sha224", 19},
      70             :         {"SHA512", "sha512", 20},
      71             :         {"SHA384", "sha384", 21},
      72             :         {"WHIRLPOOL", "whirlpool", 22},
      73             :         {"RIPEMD128", "ripemd128", 23},
      74             :         {"RIPEMD256", "ripemd256", 24},
      75             :         {"RIPEMD320", "ripemd320", 25},
      76             :         {NULL, NULL, 26}, /* support needs to be added for snefru 128 */
      77             :         {"SNEFRU256", "snefru256", 27},
      78             :         {"MD2", "md2", 28},
      79             :         {"FNV132", "fnv132", 29},
      80             :         {"FNV1A32", "fnv1a32", 30},
      81             :         {"FNV164", "fnv164", 31},
      82             :         {"FNV1A64", "fnv1a64", 32},
      83             :         {"JOAAT", "joaat", 33},
      84             : };
      85             : #endif
      86             : 
      87             : /* Hash Registry Access */
      88             : 
      89        1346 : PHP_HASH_API const php_hash_ops *php_hash_fetch_ops(const char *algo, size_t algo_len) /* {{{ */
      90             : {
      91        1346 :         char *lower = zend_str_tolower_dup(algo, algo_len);
      92        1346 :         php_hash_ops *ops = zend_hash_str_find_ptr(&php_hash_hashtable, lower, algo_len);
      93        1346 :         efree(lower);
      94             : 
      95        1346 :         return ops;
      96             : }
      97             : /* }}} */
      98             : 
      99      979386 : PHP_HASH_API void php_hash_register_algo(const char *algo, const php_hash_ops *ops) /* {{{ */
     100             : {
     101      979386 :         size_t algo_len = strlen(algo);
     102      979386 :         char *lower = zend_str_tolower_dup(algo, algo_len);
     103             :         zend_hash_str_add_ptr(&php_hash_hashtable, lower, algo_len, (void *) ops);
     104      979386 :         efree(lower);
     105      979386 : }
     106             : /* }}} */
     107             : 
     108          87 : PHP_HASH_API int php_hash_copy(const void *ops, void *orig_context, void *dest_context) /* {{{ */
     109             : {
     110          87 :         php_hash_ops *hash_ops = (php_hash_ops *)ops;
     111             : 
     112          87 :         memcpy(dest_context, orig_context, hash_ops->context_size);
     113          87 :         return SUCCESS;
     114             : }
     115             : /* }}} */
     116             : 
     117             : /* Userspace */
     118             : 
     119        1162 : static void php_hash_do_hash(INTERNAL_FUNCTION_PARAMETERS, int isfilename, zend_bool raw_output_default) /* {{{ */
     120             : {
     121             :         zend_string *digest;
     122             :         char *algo, *data;
     123             :         size_t algo_len, data_len;
     124        1162 :         zend_bool raw_output = raw_output_default;
     125             :         const php_hash_ops *ops;
     126             :         void *context;
     127        1162 :         php_stream *stream = NULL;
     128             : 
     129        1162 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss|b", &algo, &algo_len, &data, &data_len, &raw_output) == FAILURE) {
     130           5 :                 return;
     131             :         }
     132             : 
     133        1157 :         ops = php_hash_fetch_ops(algo, algo_len);
     134        1157 :         if (!ops) {
     135           2 :                 php_error_docref(NULL, E_WARNING, "Unknown hashing algorithm: %s", algo);
     136           2 :                 RETURN_FALSE;
     137             :         }
     138        1155 :         if (isfilename) {
     139          27 :                 if (CHECK_NULL_PATH(data, data_len)) {
     140           0 :                         php_error_docref(NULL, E_WARNING, "Invalid path");
     141           0 :                         RETURN_FALSE;
     142             :                 }
     143          27 :                 stream = php_stream_open_wrapper_ex(data, "rb", REPORT_ERRORS, NULL, DEFAULT_CONTEXT);
     144          27 :                 if (!stream) {
     145             :                         /* Stream will report errors opening file */
     146           1 :                         RETURN_FALSE;
     147             :                 }
     148             :         }
     149             : 
     150        1154 :         context = emalloc(ops->context_size);
     151        1154 :         ops->hash_init(context);
     152             : 
     153        1154 :         if (isfilename) {
     154             :                 char buf[1024];
     155             :                 size_t n;
     156             : 
     157          78 :                 while ((n = php_stream_read(stream, buf, sizeof(buf))) > 0) {
     158          26 :                         ops->hash_update(context, (unsigned char *) buf, n);
     159             :                 }
     160          26 :                 php_stream_close(stream);
     161             :         } else {
     162        1128 :                 ops->hash_update(context, (unsigned char *) data, data_len);
     163             :         }
     164             : 
     165        2308 :         digest = zend_string_alloc(ops->digest_size, 0);
     166        1154 :         ops->hash_final((unsigned char *) ZSTR_VAL(digest), context);
     167        1154 :         efree(context);
     168             : 
     169        1154 :         if (raw_output) {
     170          18 :                 ZSTR_VAL(digest)[ops->digest_size] = 0;
     171          18 :                 RETURN_NEW_STR(digest);
     172             :         } else {
     173        2272 :                 zend_string *hex_digest = zend_string_safe_alloc(ops->digest_size, 2, 0, 0);
     174             : 
     175        1136 :                 php_hash_bin2hex(ZSTR_VAL(hex_digest), (unsigned char *) ZSTR_VAL(digest), ops->digest_size);
     176        1136 :                 ZSTR_VAL(hex_digest)[2 * ops->digest_size] = 0;
     177             :                 zend_string_release(digest);
     178        1136 :                 RETURN_NEW_STR(hex_digest);
     179             :         }
     180             : }
     181             : /* }}} */
     182             : 
     183             : /* {{{ proto string hash(string algo, string data[, bool raw_output = false])
     184             : Generate a hash of a given input string
     185             : Returns lowercase hexits by default */
     186        1120 : PHP_FUNCTION(hash)
     187             : {
     188        1120 :         php_hash_do_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0, 0);
     189        1120 : }
     190             : /* }}} */
     191             : 
     192             : /* {{{ proto string hash_file(string algo, string filename[, bool raw_output = false])
     193             : Generate a hash of a given file
     194             : Returns lowercase hexits by default */
     195          30 : PHP_FUNCTION(hash_file)
     196             : {
     197          30 :         php_hash_do_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1, 0);
     198          30 : }
     199             : /* }}} */
     200             : 
     201         110 : static inline void php_hash_string_xor_char(unsigned char *out, const unsigned char *in, const unsigned char xor_with, const int length) {
     202             :         int i;
     203        6750 :         for (i=0; i < length; i++) {
     204        6640 :                 out[i] = in[i] ^ xor_with;
     205             :         }
     206         110 : }
     207             : 
     208       24570 : static inline void php_hash_string_xor(unsigned char *out, const unsigned char *in, const unsigned char *xor_with, const int length) {
     209             :         int i;
     210      663390 :         for (i=0; i < length; i++) {
     211      638820 :                 out[i] = in[i] ^ xor_with[i];
     212             :         }
     213       24570 : }
     214             : 
     215          55 : static inline void php_hash_hmac_prep_key(unsigned char *K, const php_hash_ops *ops, void *context, const unsigned char *key, const size_t key_len) {
     216          55 :         memset(K, 0, ops->block_size);
     217          55 :         if (key_len > ops->block_size) {
     218             :                 /* Reduce the key first */
     219           6 :                 ops->hash_init(context);
     220           6 :                 ops->hash_update(context, key, key_len);
     221           6 :                 ops->hash_final(K, context);
     222             :         } else {
     223          49 :                 memcpy(K, key, key_len);
     224             :         }
     225             :         /* XOR the key with 0x36 to get the ipad) */
     226          55 :         php_hash_string_xor_char(K, K, 0x36, ops->block_size);
     227          55 : }
     228             : 
     229       49233 : static inline void php_hash_hmac_round(unsigned char *final, const php_hash_ops *ops, void *context, const unsigned char *key, const unsigned char *data, const zend_long data_size) {
     230       49233 :         ops->hash_init(context);
     231       49233 :         ops->hash_update(context, key, ops->block_size);
     232       49233 :         ops->hash_update(context, data, data_size);
     233       49233 :         ops->hash_final(final, context);
     234       49233 : }
     235             : 
     236          57 : static void php_hash_do_hash_hmac(INTERNAL_FUNCTION_PARAMETERS, int isfilename, zend_bool raw_output_default) /* {{{ */
     237             : {
     238             :         zend_string *digest;
     239             :         char *algo, *data, *key;
     240             :         unsigned char *K;
     241             :         size_t algo_len, data_len, key_len;
     242          57 :         zend_bool raw_output = raw_output_default;
     243             :         const php_hash_ops *ops;
     244             :         void *context;
     245          57 :         php_stream *stream = NULL;
     246             : 
     247          57 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "sss|b", &algo, &algo_len, &data, &data_len,
     248             :                                                                                                                                   &key, &key_len, &raw_output) == FAILURE) {
     249          11 :                 return;
     250             :         }
     251             : 
     252          46 :         ops = php_hash_fetch_ops(algo, algo_len);
     253          46 :         if (!ops) {
     254           2 :                 php_error_docref(NULL, E_WARNING, "Unknown hashing algorithm: %s", algo);
     255           2 :                 RETURN_FALSE;
     256             :         }
     257          44 :         if (isfilename) {
     258          22 :                 if (CHECK_NULL_PATH(data, data_len)) {
     259           1 :                         php_error_docref(NULL, E_WARNING, "Invalid path");
     260           1 :                         RETURN_FALSE;
     261             :                 }
     262          21 :                 stream = php_stream_open_wrapper_ex(data, "rb", REPORT_ERRORS, NULL, DEFAULT_CONTEXT);
     263          21 :                 if (!stream) {
     264             :                         /* Stream will report errors opening file */
     265           0 :                         RETURN_FALSE;
     266             :                 }
     267             :         }
     268             : 
     269          43 :         context = emalloc(ops->context_size);
     270             : 
     271          43 :         K = emalloc(ops->block_size);
     272          86 :         digest = zend_string_alloc(ops->digest_size, 0);
     273             : 
     274          43 :         php_hash_hmac_prep_key(K, ops, context, (unsigned char *) key, key_len);
     275             : 
     276          43 :         if (isfilename) {
     277             :                 char buf[1024];
     278             :                 int n;
     279          21 :                 ops->hash_init(context);
     280          21 :                 ops->hash_update(context, K, ops->block_size);
     281          63 :                 while ((n = php_stream_read(stream, buf, sizeof(buf))) > 0) {
     282          21 :                         ops->hash_update(context, (unsigned char *) buf, n);
     283             :                 }
     284          21 :                 php_stream_close(stream);
     285          21 :                 ops->hash_final((unsigned char *) ZSTR_VAL(digest), context);
     286             :         } else {
     287          22 :                 php_hash_hmac_round((unsigned char *) ZSTR_VAL(digest), ops, context, K, (unsigned char *) data, data_len);
     288             :         }
     289             : 
     290          43 :         php_hash_string_xor_char(K, K, 0x6A, ops->block_size);
     291             : 
     292          43 :         php_hash_hmac_round((unsigned char *) ZSTR_VAL(digest), ops, context, K, (unsigned char *) ZSTR_VAL(digest), ops->digest_size);
     293             : 
     294             :         /* Zero the key */
     295          43 :         ZEND_SECURE_ZERO(K, ops->block_size);
     296          43 :         efree(K);
     297          43 :         efree(context);
     298             : 
     299          43 :         if (raw_output) {
     300           6 :                 ZSTR_VAL(digest)[ops->digest_size] = 0;
     301           6 :                 RETURN_NEW_STR(digest);
     302             :         } else {
     303          74 :                 zend_string *hex_digest = zend_string_safe_alloc(ops->digest_size, 2, 0, 0);
     304             : 
     305          37 :                 php_hash_bin2hex(ZSTR_VAL(hex_digest), (unsigned char *) ZSTR_VAL(digest), ops->digest_size);
     306          37 :                 ZSTR_VAL(hex_digest)[2 * ops->digest_size] = 0;
     307             :                 zend_string_release(digest);
     308          37 :                 RETURN_NEW_STR(hex_digest);
     309             :         }
     310             : }
     311             : /* }}} */
     312             : 
     313             : /* {{{ proto string hash_hmac(string algo, string data, string key[, bool raw_output = false])
     314             : Generate a hash of a given input string with a key using HMAC
     315             : Returns lowercase hexits by default */
     316          27 : PHP_FUNCTION(hash_hmac)
     317             : {
     318          27 :         php_hash_do_hash_hmac(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0, 0);
     319          27 : }
     320             : /* }}} */
     321             : 
     322             : /* {{{ proto string hash_hmac_file(string algo, string filename, string key[, bool raw_output = false])
     323             : Generate a hash of a given file with a key using HMAC
     324             : Returns lowercase hexits by default */
     325          30 : PHP_FUNCTION(hash_hmac_file)
     326             : {
     327          30 :         php_hash_do_hash_hmac(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1, 0);
     328          30 : }
     329             : /* }}} */
     330             : 
     331             : 
     332             : /* {{{ proto resource hash_init(string algo[, int options, string key])
     333             : Initialize a hashing context */
     334          96 : PHP_FUNCTION(hash_init)
     335             : {
     336          96 :         char *algo, *key = NULL;
     337          96 :         size_t algo_len, key_len = 0;
     338          96 :         int argc = ZEND_NUM_ARGS();
     339          96 :         zend_long options = 0;
     340             :         void *context;
     341             :         const php_hash_ops *ops;
     342             :         php_hash_data *hash;
     343             : 
     344          96 :         if (zend_parse_parameters(argc, "s|ls", &algo, &algo_len, &options, &key, &key_len) == FAILURE) {
     345           0 :                 return;
     346             :         }
     347             : 
     348          96 :         ops = php_hash_fetch_ops(algo, algo_len);
     349          96 :         if (!ops) {
     350           0 :                 php_error_docref(NULL, E_WARNING, "Unknown hashing algorithm: %s", algo);
     351           0 :                 RETURN_FALSE;
     352             :         }
     353             : 
     354          99 :         if (options & PHP_HASH_HMAC &&
     355           3 :                 key_len <= 0) {
     356             :                 /* Note: a zero length key is no key at all */
     357           0 :                 php_error_docref(NULL, E_WARNING, "HMAC requested without a key");
     358           0 :                 RETURN_FALSE;
     359             :         }
     360             : 
     361          96 :         context = emalloc(ops->context_size);
     362          96 :         ops->hash_init(context);
     363             : 
     364          96 :         hash = emalloc(sizeof(php_hash_data));
     365          96 :         hash->ops = ops;
     366          96 :         hash->context = context;
     367          96 :         hash->options = options;
     368          96 :         hash->key = NULL;
     369             : 
     370          96 :         if (options & PHP_HASH_HMAC) {
     371           3 :                 char *K = emalloc(ops->block_size);
     372             :                 int i;
     373             : 
     374           3 :                 memset(K, 0, ops->block_size);
     375             : 
     376           3 :                 if (key_len > ops->block_size) {
     377             :                         /* Reduce the key first */
     378           1 :                         ops->hash_update(context, (unsigned char *) key, key_len);
     379           1 :                         ops->hash_final((unsigned char *) K, context);
     380             :                         /* Make the context ready to start over */
     381           1 :                         ops->hash_init(context);
     382             :                 } else {
     383           2 :                         memcpy(K, key, key_len);
     384             :                 }
     385             : 
     386             :                 /* XOR ipad */
     387         135 :                 for(i=0; i < ops->block_size; i++) {
     388         132 :                         K[i] ^= 0x36;
     389             :                 }
     390           3 :                 ops->hash_update(context, (unsigned char *) K, ops->block_size);
     391           3 :                 hash->key = (unsigned char *) K;
     392             :         }
     393             : 
     394          96 :         RETURN_RES(zend_register_resource(hash, php_hash_le_hash));
     395             : }
     396             : /* }}} */
     397             : 
     398             : /* {{{ proto bool hash_update(resource context, string data)
     399             : Pump data into the hashing algorithm */
     400         140 : PHP_FUNCTION(hash_update)
     401             : {
     402             :         zval *zhash;
     403             :         php_hash_data *hash;
     404             :         char *data;
     405             :         size_t data_len;
     406             : 
     407         140 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "rs", &zhash, &data, &data_len) == FAILURE) {
     408           0 :                 return;
     409             :         }
     410             : 
     411         140 :         if ((hash = (php_hash_data *)zend_fetch_resource(Z_RES_P(zhash), PHP_HASH_RESNAME, php_hash_le_hash)) == NULL) {
     412           0 :                 RETURN_FALSE;
     413             :         }
     414             : 
     415         140 :         hash->ops->hash_update(hash->context, (unsigned char *) data, data_len);
     416             : 
     417         140 :         RETURN_TRUE;
     418             : }
     419             : /* }}} */
     420             : 
     421             : /* {{{ proto int hash_update_stream(resource context, resource handle[, integer length])
     422             : Pump data into the hashing algorithm from an open stream */
     423           0 : PHP_FUNCTION(hash_update_stream)
     424             : {
     425             :         zval *zhash, *zstream;
     426             :         php_hash_data *hash;
     427           0 :         php_stream *stream = NULL;
     428           0 :         zend_long length = -1, didread = 0;
     429             : 
     430           0 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "rr|l", &zhash, &zstream, &length) == FAILURE) {
     431           0 :                 return;
     432             :         }
     433             : 
     434           0 :         if ((hash = (php_hash_data *)zend_fetch_resource(Z_RES_P(zhash), PHP_HASH_RESNAME, php_hash_le_hash)) == NULL) {
     435           0 :                 RETURN_FALSE;
     436             :         }
     437             : 
     438           0 :         php_stream_from_zval(stream, zstream);
     439             : 
     440           0 :         while (length) {
     441             :                 char buf[1024];
     442           0 :                 zend_long n, toread = 1024;
     443             : 
     444           0 :                 if (length > 0 && toread > length) {
     445           0 :                         toread = length;
     446             :                 }
     447             : 
     448           0 :                 if ((n = php_stream_read(stream, buf, toread)) <= 0) {
     449             :                         /* Nada mas */
     450           0 :                         RETURN_LONG(didread);
     451             :                 }
     452           0 :                 hash->ops->hash_update(hash->context, (unsigned char *) buf, n);
     453           0 :                 length -= n;
     454           0 :                 didread += n;
     455             :         }
     456             : 
     457           0 :         RETURN_LONG(didread);
     458             : }
     459             : /* }}} */
     460             : 
     461             : /* {{{ proto bool hash_update_file(resource context, string filename[, resource context])
     462             : Pump data into the hashing algorithm from a file */
     463           0 : PHP_FUNCTION(hash_update_file)
     464             : {
     465           0 :         zval *zhash, *zcontext = NULL;
     466             :         php_hash_data *hash;
     467             :         php_stream_context *context;
     468             :         php_stream *stream;
     469             :         char *filename, buf[1024];
     470             :         size_t filename_len, n;
     471             : 
     472           0 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "rp|r", &zhash, &filename, &filename_len, &zcontext) == FAILURE) {
     473           0 :                 return;
     474             :         }
     475             : 
     476           0 :         if ((hash = (php_hash_data *)zend_fetch_resource(Z_RES_P(zhash), PHP_HASH_RESNAME, php_hash_le_hash)) == NULL) {
     477           0 :                 RETURN_FALSE;
     478             :         }
     479           0 :         context = php_stream_context_from_zval(zcontext, 0);
     480             : 
     481           0 :         stream = php_stream_open_wrapper_ex(filename, "rb", REPORT_ERRORS, NULL, context);
     482           0 :         if (!stream) {
     483             :                 /* Stream will report errors opening file */
     484           0 :                 RETURN_FALSE;
     485             :         }
     486             : 
     487           0 :         while ((n = php_stream_read(stream, buf, sizeof(buf))) > 0) {
     488           0 :                 hash->ops->hash_update(hash->context, (unsigned char *) buf, n);
     489             :         }
     490           0 :         php_stream_close(stream);
     491             : 
     492           0 :         RETURN_TRUE;
     493             : }
     494             : /* }}} */
     495             : 
     496             : /* {{{ proto string hash_final(resource context[, bool raw_output=false])
     497             : Output resulting digest */
     498         189 : PHP_FUNCTION(hash_final)
     499             : {
     500             :         zval *zhash;
     501             :         php_hash_data *hash;
     502         189 :         zend_bool raw_output = 0;
     503             :         zend_string *digest;
     504             :         int digest_len;
     505             : 
     506         189 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "r|b", &zhash, &raw_output) == FAILURE) {
     507           0 :                 return;
     508             :         }
     509             : 
     510         189 :         if ((hash = (php_hash_data *)zend_fetch_resource(Z_RES_P(zhash), PHP_HASH_RESNAME, php_hash_le_hash)) == NULL) {
     511           0 :                 RETURN_FALSE;
     512             :         }
     513             : 
     514         189 :         digest_len = hash->ops->digest_size;
     515         378 :         digest = zend_string_alloc(digest_len, 0);
     516         189 :         hash->ops->hash_final((unsigned char *) ZSTR_VAL(digest), hash->context);
     517         189 :         if (hash->options & PHP_HASH_HMAC) {
     518             :                 int i;
     519             : 
     520             :                 /* Convert K to opad -- 0x6A = 0x36 ^ 0x5C */
     521         145 :                 for(i=0; i < hash->ops->block_size; i++) {
     522         140 :                         hash->key[i] ^= 0x6A;
     523             :                 }
     524             : 
     525             :                 /* Feed this result into the outter hash */
     526           5 :                 hash->ops->hash_init(hash->context);
     527           5 :                 hash->ops->hash_update(hash->context, hash->key, hash->ops->block_size);
     528           5 :                 hash->ops->hash_update(hash->context, (unsigned char *) ZSTR_VAL(digest), hash->ops->digest_size);
     529           5 :                 hash->ops->hash_final((unsigned char *) ZSTR_VAL(digest), hash->context);
     530             : 
     531             :                 /* Zero the key */
     532           5 :                 ZEND_SECURE_ZERO(hash->key, hash->ops->block_size);
     533           5 :                 efree(hash->key);
     534           5 :                 hash->key = NULL;
     535             :         }
     536         189 :         ZSTR_VAL(digest)[digest_len] = 0;
     537         189 :         efree(hash->context);
     538         189 :         hash->context = NULL;
     539         189 :         zend_list_close(Z_RES_P(zhash));
     540             : 
     541         189 :         if (raw_output) {
     542           0 :                 RETURN_NEW_STR(digest);
     543             :         } else {
     544         378 :                 zend_string *hex_digest = zend_string_safe_alloc(digest_len, 2, 0, 0);
     545             : 
     546         189 :                 php_hash_bin2hex(ZSTR_VAL(hex_digest), (unsigned char *) ZSTR_VAL(digest), digest_len);
     547         189 :                 ZSTR_VAL(hex_digest)[2 * digest_len] = 0;
     548             :                 zend_string_release(digest);
     549         189 :                 RETURN_NEW_STR(hex_digest);
     550             :         }
     551             : }
     552             : /* }}} */
     553             : 
     554             : /* {{{ proto resource hash_copy(resource context)
     555             : Copy hash resource */
     556          97 : PHP_FUNCTION(hash_copy)
     557             : {
     558             :         zval *zhash;
     559             :         php_hash_data *hash, *copy_hash;
     560             :         void *context;
     561             :         int res;
     562             : 
     563          97 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &zhash) == FAILURE) {
     564           2 :                 return;
     565             :         }
     566             : 
     567          95 :         if ((hash = (php_hash_data *)zend_fetch_resource(Z_RES_P(zhash), PHP_HASH_RESNAME, php_hash_le_hash)) == NULL) {
     568           0 :                 RETURN_FALSE;
     569             :         }
     570             : 
     571             : 
     572          95 :         context = emalloc(hash->ops->context_size);
     573          95 :         hash->ops->hash_init(context);
     574             : 
     575          95 :         res = hash->ops->hash_copy(hash->ops, hash->context, context);
     576          95 :         if (res != SUCCESS) {
     577           0 :                 efree(context);
     578           0 :                 RETURN_FALSE;
     579             :         }
     580             : 
     581          95 :         copy_hash = emalloc(sizeof(php_hash_data));
     582          95 :         copy_hash->ops = hash->ops;
     583          95 :         copy_hash->context = context;
     584          95 :         copy_hash->options = hash->options;
     585          95 :         copy_hash->key = ecalloc(1, hash->ops->block_size);
     586          95 :         if (hash->key) {
     587           2 :                 memcpy(copy_hash->key, hash->key, hash->ops->block_size);
     588             :         }
     589          95 :         RETURN_RES(zend_register_resource(copy_hash, php_hash_le_hash));
     590             : }
     591             : /* }}} */
     592             : 
     593             : /* {{{ proto array hash_algos(void)
     594             : Return a list of registered hashing algorithms */
     595           2 : PHP_FUNCTION(hash_algos)
     596             : {
     597             :         zend_string *str;
     598             : 
     599           2 :         array_init(return_value);
     600         186 :         ZEND_HASH_FOREACH_STR_KEY(&php_hash_hashtable, str) {
     601          92 :                 add_next_index_str(return_value, zend_string_copy(str));
     602             :         } ZEND_HASH_FOREACH_END();
     603           2 : }
     604             : /* }}} */
     605             : 
     606             : /* {{{ proto string hash_pbkdf2(string algo, string password, string salt, int iterations [, int length = 0, bool raw_output = false])
     607             : Generate a PBKDF2 hash of the given password and salt
     608             : Returns lowercase hexits by default */
     609          21 : PHP_FUNCTION(hash_pbkdf2)
     610             : {
     611             :         zend_string *returnval;
     612          21 :         char *algo, *salt, *pass = NULL;
     613          21 :         unsigned char *computed_salt, *digest, *temp, *result, *K1, *K2 = NULL;
     614          21 :         zend_long loops, i, j, iterations, digest_length = 0, length = 0;
     615          21 :         size_t algo_len, pass_len, salt_len = 0;
     616          21 :         zend_bool raw_output = 0;
     617             :         const php_hash_ops *ops;
     618             :         void *context;
     619             : 
     620          21 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "sssl|lb", &algo, &algo_len, &pass, &pass_len, &salt, &salt_len, &iterations, &length, &raw_output) == FAILURE) {
     621           5 :                 return;
     622             :         }
     623             : 
     624          16 :         ops = php_hash_fetch_ops(algo, algo_len);
     625          16 :         if (!ops) {
     626           1 :                 php_error_docref(NULL, E_WARNING, "Unknown hashing algorithm: %s", algo);
     627           1 :                 RETURN_FALSE;
     628             :         }
     629             : 
     630          15 :         if (iterations <= 0) {
     631           2 :                 php_error_docref(NULL, E_WARNING, "Iterations must be a positive integer: " ZEND_LONG_FMT, iterations);
     632           2 :                 RETURN_FALSE;
     633             :         }
     634             : 
     635          13 :         if (length < 0) {
     636           1 :                 php_error_docref(NULL, E_WARNING, "Length must be greater than or equal to 0: " ZEND_LONG_FMT, length);
     637           1 :                 RETURN_FALSE;
     638             :         }
     639             : 
     640          12 :         if (salt_len > INT_MAX - 4) {
     641           0 :                 php_error_docref(NULL, E_WARNING, "Supplied salt is too long, max of INT_MAX - 4 bytes: %zd supplied", salt_len);
     642           0 :                 RETURN_FALSE;
     643             :         }
     644             : 
     645          12 :         context = emalloc(ops->context_size);
     646          12 :         ops->hash_init(context);
     647             : 
     648          12 :         K1 = emalloc(ops->block_size);
     649          12 :         K2 = emalloc(ops->block_size);
     650          12 :         digest = emalloc(ops->digest_size);
     651          12 :         temp = emalloc(ops->digest_size);
     652             : 
     653             :         /* Setup Keys that will be used for all hmac rounds */
     654          12 :         php_hash_hmac_prep_key(K1, ops, context, (unsigned char *) pass, pass_len);
     655             :         /* Convert K1 to opad -- 0x6A = 0x36 ^ 0x5C */
     656          12 :         php_hash_string_xor_char(K2, K1, 0x6A, ops->block_size);
     657             : 
     658             :         /* Setup Main Loop to build a long enough result */
     659          12 :         if (length == 0) {
     660           4 :                 length = ops->digest_size;
     661           4 :                 if (!raw_output) {
     662           3 :                         length = length * 2;
     663             :                 }
     664             :         }
     665          12 :         digest_length = length;
     666          12 :         if (!raw_output) {
     667           7 :                 digest_length = (zend_long) ceil((float) length / 2.0);
     668             :         }
     669             : 
     670          12 :         loops = (zend_long) ceil((float) digest_length / (float) ops->digest_size);
     671             : 
     672          12 :         result = safe_emalloc(loops, ops->digest_size, 0);
     673             : 
     674          12 :         computed_salt = safe_emalloc(salt_len, 1, 4);
     675          12 :         memcpy(computed_salt, (unsigned char *) salt, salt_len);
     676             : 
     677          26 :         for (i = 1; i <= loops; i++) {
     678             :                 /* digest = hash_hmac(salt + pack('N', i), password) { */
     679             : 
     680             :                 /* pack("N", i) */
     681          14 :                 computed_salt[salt_len] = (unsigned char) (i >> 24);
     682          14 :                 computed_salt[salt_len + 1] = (unsigned char) ((i & 0xFF0000) >> 16);
     683          14 :                 computed_salt[salt_len + 2] = (unsigned char) ((i & 0xFF00) >> 8);
     684          14 :                 computed_salt[salt_len + 3] = (unsigned char) (i & 0xFF);
     685             : 
     686          14 :                 php_hash_hmac_round(digest, ops, context, K1, computed_salt, (zend_long) salt_len + 4);
     687          14 :                 php_hash_hmac_round(digest, ops, context, K2, digest, ops->digest_size);
     688             :                 /* } */
     689             : 
     690             :                 /* temp = digest */
     691          14 :                 memcpy(temp, digest, ops->digest_size);
     692             : 
     693             :                 /*
     694             :                  * Note that the loop starting at 1 is intentional, since we've already done
     695             :                  * the first round of the algorithm.
     696             :                  */
     697       24584 :                 for (j = 1; j < iterations; j++) {
     698             :                         /* digest = hash_hmac(digest, password) { */
     699       24570 :                         php_hash_hmac_round(digest, ops, context, K1, digest, ops->digest_size);
     700       24570 :                         php_hash_hmac_round(digest, ops, context, K2, digest, ops->digest_size);
     701             :                         /* } */
     702             :                         /* temp ^= digest */
     703       24570 :                         php_hash_string_xor(temp, temp, digest, ops->digest_size);
     704             :                 }
     705             :                 /* result += temp */
     706          14 :                 memcpy(result + ((i - 1) * ops->digest_size), temp, ops->digest_size);
     707             :         }
     708             :         /* Zero potentially sensitive variables */
     709          12 :         ZEND_SECURE_ZERO(K1, ops->block_size);
     710          12 :         ZEND_SECURE_ZERO(K2, ops->block_size);
     711          12 :         ZEND_SECURE_ZERO(computed_salt, salt_len + 4);
     712          12 :         efree(K1);
     713          12 :         efree(K2);
     714          12 :         efree(computed_salt);
     715          12 :         efree(context);
     716          12 :         efree(digest);
     717          12 :         efree(temp);
     718             : 
     719          24 :         returnval = zend_string_alloc(length, 0);
     720          12 :         if (raw_output) {
     721           5 :                 memcpy(ZSTR_VAL(returnval), result, length);
     722             :         } else {
     723           7 :                 php_hash_bin2hex(ZSTR_VAL(returnval), result, digest_length);
     724             :         }
     725          12 :         ZSTR_VAL(returnval)[length] = 0;
     726          12 :         efree(result);
     727          12 :         RETURN_NEW_STR(returnval);
     728             : }
     729             : /* }}} */
     730             : 
     731             : /* {{{ proto bool hash_equals(string known_string, string user_string)
     732             :    Compares two strings using the same time whether they're equal or not.
     733             :    A difference in length will leak */
     734          13 : PHP_FUNCTION(hash_equals)
     735             : {
     736             :         zval *known_zval, *user_zval;
     737             :         char *known_str, *user_str;
     738          13 :         int result = 0, j;
     739             : 
     740          13 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "zz", &known_zval, &user_zval) == FAILURE) {
     741           0 :                 return;
     742             :         }
     743             : 
     744             :         /* We only allow comparing string to prevent unexpected results. */
     745          26 :         if (Z_TYPE_P(known_zval) != IS_STRING) {
     746           5 :                 php_error_docref(NULL, E_WARNING, "Expected known_string to be a string, %s given", zend_zval_type_name(known_zval));
     747           5 :                 RETURN_FALSE;
     748             :         }
     749             : 
     750          16 :         if (Z_TYPE_P(user_zval) != IS_STRING) {
     751           1 :                 php_error_docref(NULL, E_WARNING, "Expected user_string to be a string, %s given", zend_zval_type_name(user_zval));
     752           1 :                 RETURN_FALSE;
     753             :         }
     754             : 
     755           7 :         if (Z_STRLEN_P(known_zval) != Z_STRLEN_P(user_zval)) {
     756           4 :                 RETURN_FALSE;
     757             :         }
     758             : 
     759           3 :         known_str = Z_STRVAL_P(known_zval);
     760           3 :         user_str = Z_STRVAL_P(user_zval);
     761             : 
     762             :         /* This is security sensitive code. Do not optimize this for speed. */
     763          15 :         for (j = 0; j < Z_STRLEN_P(known_zval); j++) {
     764          12 :                 result |= known_str[j] ^ user_str[j];
     765             :         }
     766             : 
     767           3 :         RETURN_BOOL(0 == result);
     768             : }
     769             : /* }}} */
     770             : 
     771             : /* Module Housekeeping */
     772             : 
     773         191 : static void php_hash_dtor(zend_resource *rsrc) /* {{{ */
     774             : {
     775         191 :         php_hash_data *hash = (php_hash_data*)rsrc->ptr;
     776             : 
     777             :         /* Just in case the algo has internally allocated resources */
     778         191 :         if (hash->context) {
     779           2 :                 unsigned char *dummy = emalloc(hash->ops->digest_size);
     780           2 :                 hash->ops->hash_final(dummy, hash->context);
     781           2 :                 efree(dummy);
     782           2 :                 efree(hash->context);
     783             :         }
     784             : 
     785         191 :         if (hash->key) {
     786          93 :                 memset(hash->key, 0, hash->ops->block_size);
     787          93 :                 efree(hash->key);
     788             :         }
     789         191 :         efree(hash);
     790         191 : }
     791             : /* }}} */
     792             : 
     793             : #define PHP_HASH_HAVAL_REGISTER(p,b)    php_hash_register_algo("haval" #b "," #p , &php_hash_##p##haval##b##_ops);
     794             : 
     795             : #ifdef PHP_MHASH_BC
     796             : 
     797             : #if 0
     798             : /* See #69823, we should not insert module into module_registry while doing startup */
     799             : 
     800             : PHP_MINFO_FUNCTION(mhash)
     801             : {
     802             :         php_info_print_table_start();
     803             :         php_info_print_table_row(2, "MHASH support", "Enabled");
     804             :         php_info_print_table_row(2, "MHASH API Version", "Emulated Support");
     805             :         php_info_print_table_end();
     806             : }
     807             : 
     808             : zend_module_entry mhash_module_entry = {
     809             :         STANDARD_MODULE_HEADER,
     810             :         "mhash",
     811             :         NULL,
     812             :         NULL,
     813             :         NULL,
     814             :         NULL,
     815             :         NULL,
     816             :         PHP_MINFO(mhash),
     817             :         PHP_MHASH_VERSION,
     818             :         STANDARD_MODULE_PROPERTIES,
     819             : };
     820             : #endif
     821             : 
     822       21291 : static void mhash_init(INIT_FUNC_ARGS)
     823             : {
     824             :         char buf[128];
     825             :         int len;
     826       21291 :         int algo_number = 0;
     827             : 
     828      745185 :         for (algo_number = 0; algo_number < MHASH_NUM_ALGOS; algo_number++) {
     829      723894 :                 struct mhash_bc_entry algorithm = mhash_to_hash[algo_number];
     830      723894 :                 if (algorithm.mhash_name == NULL) {
     831       63873 :                         continue;
     832             :                 }
     833             : 
     834      660021 :                 len = slprintf(buf, 127, "MHASH_%s", algorithm.mhash_name, strlen(algorithm.mhash_name));
     835      660021 :                 zend_register_long_constant(buf, len, algorithm.value, CONST_CS | CONST_PERSISTENT, module_number);
     836             :         }
     837             : 
     838             :         /* TODO: this cause #69823 zend_register_internal_module(&mhash_module_entry); */
     839       21291 : }
     840             : 
     841             : /* {{{ proto string mhash(int hash, string data [, string key])
     842             :    Hash data with hash */
     843          12 : PHP_FUNCTION(mhash)
     844             : {
     845             :         zval *z_algorithm;
     846             :         zend_long algorithm;
     847             : 
     848          12 :         if (zend_parse_parameters(1, "z", &z_algorithm) == FAILURE) {
     849           0 :                 return;
     850             :         }
     851             : 
     852          12 :         SEPARATE_ZVAL(z_algorithm);
     853          24 :         convert_to_long_ex(z_algorithm);
     854          12 :         algorithm = Z_LVAL_P(z_algorithm);
     855             : 
     856             :         /* need to convert the first parameter from int constant to string algorithm name */
     857          12 :         if (algorithm >= 0 && algorithm < MHASH_NUM_ALGOS) {
     858          12 :                 struct mhash_bc_entry algorithm_lookup = mhash_to_hash[algorithm];
     859          12 :                 if (algorithm_lookup.hash_name) {
     860          24 :                         ZVAL_STRING(z_algorithm, algorithm_lookup.hash_name);
     861             :                 }
     862             :         }
     863             : 
     864          12 :         if (ZEND_NUM_ARGS() == 3) {
     865           0 :                 php_hash_do_hash_hmac(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0, 1);
     866          12 :         } else if (ZEND_NUM_ARGS() == 2) {
     867          12 :                 php_hash_do_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0, 1);
     868             :         } else {
     869           0 :                 WRONG_PARAM_COUNT;
     870             :         }
     871             : }
     872             : /* }}} */
     873             : 
     874             : /* {{{ proto string mhash_get_hash_name(int hash)
     875             :    Gets the name of hash */
     876          34 : PHP_FUNCTION(mhash_get_hash_name)
     877             : {
     878             :         zend_long algorithm;
     879             : 
     880          34 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &algorithm) == FAILURE) {
     881           0 :                 return;
     882             :         }
     883             : 
     884          34 :         if (algorithm >= 0 && algorithm  < MHASH_NUM_ALGOS) {
     885          34 :                 struct mhash_bc_entry algorithm_lookup = mhash_to_hash[algorithm];
     886          34 :                 if (algorithm_lookup.mhash_name) {
     887          62 :                         RETURN_STRING(algorithm_lookup.mhash_name);
     888             :                 }
     889             :         }
     890           3 :         RETURN_FALSE;
     891             : }
     892             : /* }}} */
     893             : 
     894             : /* {{{ proto int mhash_count(void)
     895             :    Gets the number of available hashes */
     896           1 : PHP_FUNCTION(mhash_count)
     897             : {
     898           1 :         if (zend_parse_parameters_none() == FAILURE) {
     899           0 :                 return;
     900             :         }
     901           1 :         RETURN_LONG(MHASH_NUM_ALGOS - 1);
     902             : }
     903             : /* }}} */
     904             : 
     905             : /* {{{ proto int mhash_get_block_size(int hash)
     906             :    Gets the block size of hash */
     907          17 : PHP_FUNCTION(mhash_get_block_size)
     908             : {
     909             :         zend_long algorithm;
     910             : 
     911          17 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &algorithm) == FAILURE) {
     912           0 :                 return;
     913             :         }
     914          17 :         RETVAL_FALSE;
     915             : 
     916          17 :         if (algorithm >= 0 && algorithm  < MHASH_NUM_ALGOS) {
     917          17 :                 struct mhash_bc_entry algorithm_lookup = mhash_to_hash[algorithm];
     918          17 :                 if (algorithm_lookup.mhash_name) {
     919          17 :                         const php_hash_ops *ops = php_hash_fetch_ops(algorithm_lookup.hash_name, strlen(algorithm_lookup.hash_name));
     920          17 :                         if (ops) {
     921          17 :                                 RETVAL_LONG(ops->digest_size);
     922             :                         }
     923             :                 }
     924             :         }
     925             : }
     926             : /* }}} */
     927             : 
     928             : #define SALT_SIZE 8
     929             : 
     930             : /* {{{ proto string mhash_keygen_s2k(int hash, string input_password, string salt, int bytes)
     931             :    Generates a key using hash functions */
     932          11 : PHP_FUNCTION(mhash_keygen_s2k)
     933             : {
     934             :         zend_long algorithm, l_bytes;
     935             :         int bytes;
     936             :         char *password, *salt;
     937             :         size_t password_len, salt_len;
     938             :         char padded_salt[SALT_SIZE];
     939             : 
     940          11 :         if (zend_parse_parameters(ZEND_NUM_ARGS(), "lssl", &algorithm, &password, &password_len, &salt, &salt_len, &l_bytes) == FAILURE) {
     941           0 :                 return;
     942             :         }
     943             : 
     944          11 :         bytes = (int)l_bytes;
     945          11 :         if (bytes <= 0){
     946           0 :                 php_error_docref(NULL, E_WARNING, "the byte parameter must be greater than 0");
     947           0 :                 RETURN_FALSE;
     948             :         }
     949             : 
     950          11 :         salt_len = MIN(salt_len, SALT_SIZE);
     951             : 
     952          11 :         memcpy(padded_salt, salt, salt_len);
     953          11 :         if (salt_len < SALT_SIZE) {
     954           0 :                 memset(padded_salt + salt_len, 0, SALT_SIZE - salt_len);
     955             :         }
     956          11 :         salt_len = SALT_SIZE;
     957             : 
     958          11 :         RETVAL_FALSE;
     959          11 :         if (algorithm >= 0 && algorithm < MHASH_NUM_ALGOS) {
     960          11 :                 struct mhash_bc_entry algorithm_lookup = mhash_to_hash[algorithm];
     961          11 :                 if (algorithm_lookup.mhash_name) {
     962          11 :                         const php_hash_ops *ops = php_hash_fetch_ops(algorithm_lookup.hash_name, strlen(algorithm_lookup.hash_name));
     963          11 :                         if (ops) {
     964          11 :                                 unsigned char null = '\0';
     965             :                                 void *context;
     966             :                                 char *key, *digest;
     967          11 :                                 int i = 0, j = 0;
     968          11 :                                 int block_size = ops->digest_size;
     969          11 :                                 int times = bytes / block_size;
     970          11 :                                 if (bytes % block_size  != 0) times++;
     971             : 
     972          11 :                                 context = emalloc(ops->context_size);
     973          11 :                                 ops->hash_init(context);
     974             : 
     975          11 :                                 key = ecalloc(1, times * block_size);
     976          11 :                                 digest = emalloc(ops->digest_size + 1);
     977             : 
     978         105 :                                 for (i = 0; i < times; i++) {
     979          94 :                                         ops->hash_init(context);
     980             : 
     981         783 :                                         for (j=0;j<i;j++) {
     982         689 :                                                 ops->hash_update(context, &null, 1);
     983             :                                         }
     984          94 :                                         ops->hash_update(context, (unsigned char *)padded_salt, salt_len);
     985          94 :                                         ops->hash_update(context, (unsigned char *)password, password_len);
     986          94 :                                         ops->hash_final((unsigned char *)digest, context);
     987          94 :                                         memcpy( &key[i*block_size], digest, block_size);
     988             :                                 }
     989             : 
     990          22 :                                 RETVAL_STRINGL(key, bytes);
     991          11 :                                 ZEND_SECURE_ZERO(key, bytes);
     992          11 :                                 efree(digest);
     993          11 :                                 efree(context);
     994          11 :                                 efree(key);
     995             :                         }
     996             :                 }
     997             :         }
     998             : }
     999             : /* }}} */
    1000             : 
    1001             : #endif
    1002             : 
    1003             : /* {{{ PHP_MINIT_FUNCTION
    1004             :  */
    1005       21291 : PHP_MINIT_FUNCTION(hash)
    1006             : {
    1007       21291 :         php_hash_le_hash = zend_register_list_destructors_ex(php_hash_dtor, NULL, PHP_HASH_RESNAME, module_number);
    1008             : 
    1009       21291 :         zend_hash_init(&php_hash_hashtable, 35, NULL, NULL, 1);
    1010             : 
    1011       21291 :         php_hash_register_algo("md2",                 &php_hash_md2_ops);
    1012       21291 :         php_hash_register_algo("md4",                 &php_hash_md4_ops);
    1013       21291 :         php_hash_register_algo("md5",                 &php_hash_md5_ops);
    1014       21291 :         php_hash_register_algo("sha1",                        &php_hash_sha1_ops);
    1015       21291 :         php_hash_register_algo("sha224",              &php_hash_sha224_ops);
    1016       21291 :         php_hash_register_algo("sha256",              &php_hash_sha256_ops);
    1017       21291 :         php_hash_register_algo("sha384",              &php_hash_sha384_ops);
    1018       21291 :         php_hash_register_algo("sha512",              &php_hash_sha512_ops);
    1019       21291 :         php_hash_register_algo("ripemd128",           &php_hash_ripemd128_ops);
    1020       21291 :         php_hash_register_algo("ripemd160",           &php_hash_ripemd160_ops);
    1021       21291 :         php_hash_register_algo("ripemd256",           &php_hash_ripemd256_ops);
    1022       21291 :         php_hash_register_algo("ripemd320",           &php_hash_ripemd320_ops);
    1023       21291 :         php_hash_register_algo("whirlpool",           &php_hash_whirlpool_ops);
    1024       21291 :         php_hash_register_algo("tiger128,3",  &php_hash_3tiger128_ops);
    1025       21291 :         php_hash_register_algo("tiger160,3",  &php_hash_3tiger160_ops);
    1026       21291 :         php_hash_register_algo("tiger192,3",  &php_hash_3tiger192_ops);
    1027       21291 :         php_hash_register_algo("tiger128,4",  &php_hash_4tiger128_ops);
    1028       21291 :         php_hash_register_algo("tiger160,4",  &php_hash_4tiger160_ops);
    1029       21291 :         php_hash_register_algo("tiger192,4",  &php_hash_4tiger192_ops);
    1030       21291 :         php_hash_register_algo("snefru",              &php_hash_snefru_ops);
    1031       21291 :         php_hash_register_algo("snefru256",           &php_hash_snefru_ops);
    1032       21291 :         php_hash_register_algo("gost",                        &php_hash_gost_ops);
    1033       21291 :         php_hash_register_algo("gost-crypto",         &php_hash_gost_crypto_ops);
    1034       21291 :         php_hash_register_algo("adler32",             &php_hash_adler32_ops);
    1035       21291 :         php_hash_register_algo("crc32",                       &php_hash_crc32_ops);
    1036       21291 :         php_hash_register_algo("crc32b",              &php_hash_crc32b_ops);
    1037       21291 :         php_hash_register_algo("fnv132",              &php_hash_fnv132_ops);
    1038       21291 :         php_hash_register_algo("fnv1a32",             &php_hash_fnv1a32_ops);
    1039       21291 :         php_hash_register_algo("fnv164",              &php_hash_fnv164_ops);
    1040       21291 :         php_hash_register_algo("fnv1a64",             &php_hash_fnv1a64_ops);
    1041       21291 :         php_hash_register_algo("joaat",                       &php_hash_joaat_ops);
    1042             : 
    1043       21291 :         PHP_HASH_HAVAL_REGISTER(3,128);
    1044       21291 :         PHP_HASH_HAVAL_REGISTER(3,160);
    1045       21291 :         PHP_HASH_HAVAL_REGISTER(3,192);
    1046       21291 :         PHP_HASH_HAVAL_REGISTER(3,224);
    1047       21291 :         PHP_HASH_HAVAL_REGISTER(3,256);
    1048             : 
    1049       21291 :         PHP_HASH_HAVAL_REGISTER(4,128);
    1050       21291 :         PHP_HASH_HAVAL_REGISTER(4,160);
    1051       21291 :         PHP_HASH_HAVAL_REGISTER(4,192);
    1052       21291 :         PHP_HASH_HAVAL_REGISTER(4,224);
    1053       21291 :         PHP_HASH_HAVAL_REGISTER(4,256);
    1054             : 
    1055       21291 :         PHP_HASH_HAVAL_REGISTER(5,128);
    1056       21291 :         PHP_HASH_HAVAL_REGISTER(5,160);
    1057       21291 :         PHP_HASH_HAVAL_REGISTER(5,192);
    1058       21291 :         PHP_HASH_HAVAL_REGISTER(5,224);
    1059       21291 :         PHP_HASH_HAVAL_REGISTER(5,256);
    1060             : 
    1061       21291 :         REGISTER_LONG_CONSTANT("HASH_HMAC",           PHP_HASH_HMAC,  CONST_CS | CONST_PERSISTENT);
    1062             : 
    1063             : #ifdef PHP_MHASH_BC
    1064       21291 :         mhash_init(INIT_FUNC_ARGS_PASSTHRU);
    1065             : #endif
    1066             : 
    1067       21291 :         return SUCCESS;
    1068             : }
    1069             : /* }}} */
    1070             : 
    1071             : /* {{{ PHP_MSHUTDOWN_FUNCTION
    1072             :  */
    1073       21327 : PHP_MSHUTDOWN_FUNCTION(hash)
    1074             : {
    1075       21327 :         zend_hash_destroy(&php_hash_hashtable);
    1076             : 
    1077       21327 :         return SUCCESS;
    1078             : }
    1079             : /* }}} */
    1080             : 
    1081             : /* {{{ PHP_MINFO_FUNCTION
    1082             :  */
    1083         142 : PHP_MINFO_FUNCTION(hash)
    1084             : {
    1085             :         char buffer[2048];
    1086             :         zend_string *str;
    1087         142 :         char *s = buffer, *e = s + sizeof(buffer);
    1088             : 
    1089       13206 :         ZEND_HASH_FOREACH_STR_KEY(&php_hash_hashtable, str) {
    1090        6532 :                 s += slprintf(s, e - s, "%s ", ZSTR_VAL(str));
    1091             :         } ZEND_HASH_FOREACH_END();
    1092         142 :         *s = 0;
    1093             : 
    1094         142 :         php_info_print_table_start();
    1095         142 :         php_info_print_table_row(2, "hash support", "enabled");
    1096         142 :         php_info_print_table_row(2, "Hashing Engines", buffer);
    1097         142 :         php_info_print_table_end();
    1098             : 
    1099             : #ifdef PHP_MHASH_BC
    1100         142 :         php_info_print_table_start();
    1101         142 :         php_info_print_table_row(2, "MHASH support", "Enabled");
    1102         142 :         php_info_print_table_row(2, "MHASH API Version", "Emulated Support");
    1103         142 :         php_info_print_table_end();
    1104             : #endif
    1105             : 
    1106         142 : }
    1107             : /* }}} */
    1108             : 
    1109             : /* {{{ arginfo */
    1110             : #ifdef PHP_HASH_MD5_NOT_IN_CORE
    1111             : ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_md5, 0, 0, 1)
    1112             :         ZEND_ARG_INFO(0, str)
    1113             :         ZEND_ARG_INFO(0, raw_output)
    1114             : ZEND_END_ARG_INFO()
    1115             : 
    1116             : ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_md5_file, 0, 0, 1)
    1117             :         ZEND_ARG_INFO(0, filename)
    1118             :         ZEND_ARG_INFO(0, raw_output)
    1119             : ZEND_END_ARG_INFO()
    1120             : #endif
    1121             : 
    1122             : #ifdef PHP_HASH_SHA1_NOT_IN_CORE
    1123             : ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_sha1, 0, 0, 1)
    1124             :         ZEND_ARG_INFO(0, str)
    1125             :         ZEND_ARG_INFO(0, raw_output)
    1126             : ZEND_END_ARG_INFO()
    1127             : 
    1128             : ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_sha1_file, 0, 0, 1)
    1129             :         ZEND_ARG_INFO(0, filename)
    1130             :         ZEND_ARG_INFO(0, raw_output)
    1131             : ZEND_END_ARG_INFO()
    1132             : #endif
    1133             : 
    1134             : ZEND_BEGIN_ARG_INFO_EX(arginfo_hash, 0, 0, 2)
    1135             :         ZEND_ARG_INFO(0, algo)
    1136             :         ZEND_ARG_INFO(0, data)
    1137             :         ZEND_ARG_INFO(0, raw_output)
    1138             : ZEND_END_ARG_INFO()
    1139             : 
    1140             : ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_file, 0, 0, 2)
    1141             :         ZEND_ARG_INFO(0, algo)
    1142             :         ZEND_ARG_INFO(0, filename)
    1143             :         ZEND_ARG_INFO(0, raw_output)
    1144             : ZEND_END_ARG_INFO()
    1145             : 
    1146             : ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_hmac, 0, 0, 3)
    1147             :         ZEND_ARG_INFO(0, algo)
    1148             :         ZEND_ARG_INFO(0, data)
    1149             :         ZEND_ARG_INFO(0, key)
    1150             :         ZEND_ARG_INFO(0, raw_output)
    1151             : ZEND_END_ARG_INFO()
    1152             : 
    1153             : ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_hmac_file, 0, 0, 3)
    1154             :         ZEND_ARG_INFO(0, algo)
    1155             :         ZEND_ARG_INFO(0, filename)
    1156             :         ZEND_ARG_INFO(0, key)
    1157             :         ZEND_ARG_INFO(0, raw_output)
    1158             : ZEND_END_ARG_INFO()
    1159             : 
    1160             : ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_init, 0, 0, 1)
    1161             :         ZEND_ARG_INFO(0, algo)
    1162             :         ZEND_ARG_INFO(0, options)
    1163             :         ZEND_ARG_INFO(0, key)
    1164             : ZEND_END_ARG_INFO()
    1165             : 
    1166             : ZEND_BEGIN_ARG_INFO(arginfo_hash_update, 0)
    1167             :         ZEND_ARG_INFO(0, context)
    1168             :         ZEND_ARG_INFO(0, data)
    1169             : ZEND_END_ARG_INFO()
    1170             : 
    1171             : ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_update_stream, 0, 0, 2)
    1172             :         ZEND_ARG_INFO(0, context)
    1173             :         ZEND_ARG_INFO(0, handle)
    1174             :         ZEND_ARG_INFO(0, length)
    1175             : ZEND_END_ARG_INFO()
    1176             : 
    1177             : ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_update_file, 0, 0, 2)
    1178             :         ZEND_ARG_INFO(0, context)
    1179             :         ZEND_ARG_INFO(0, filename)
    1180             :         ZEND_ARG_INFO(0, context)
    1181             : ZEND_END_ARG_INFO()
    1182             : 
    1183             : ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_final, 0, 0, 1)
    1184             :         ZEND_ARG_INFO(0, context)
    1185             :         ZEND_ARG_INFO(0, raw_output)
    1186             : ZEND_END_ARG_INFO()
    1187             : 
    1188             : ZEND_BEGIN_ARG_INFO(arginfo_hash_copy, 0)
    1189             :         ZEND_ARG_INFO(0, context)
    1190             : ZEND_END_ARG_INFO()
    1191             : 
    1192             : ZEND_BEGIN_ARG_INFO(arginfo_hash_algos, 0)
    1193             : ZEND_END_ARG_INFO()
    1194             : 
    1195             : ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_pbkdf2, 0, 0, 4)
    1196             :         ZEND_ARG_INFO(0, algo)
    1197             :         ZEND_ARG_INFO(0, password)
    1198             :         ZEND_ARG_INFO(0, salt)
    1199             :         ZEND_ARG_INFO(0, iterations)
    1200             :         ZEND_ARG_INFO(0, length)
    1201             :         ZEND_ARG_INFO(0, raw_output)
    1202             : ZEND_END_ARG_INFO()
    1203             : 
    1204             : ZEND_BEGIN_ARG_INFO(arginfo_hash_equals, 0)
    1205             :         ZEND_ARG_INFO(0, known_string)
    1206             :         ZEND_ARG_INFO(0, user_string)
    1207             : ZEND_END_ARG_INFO()
    1208             : 
    1209             : /* BC Land */
    1210             : #ifdef PHP_MHASH_BC
    1211             : ZEND_BEGIN_ARG_INFO(arginfo_mhash_get_block_size, 0)
    1212             :         ZEND_ARG_INFO(0, hash)
    1213             : ZEND_END_ARG_INFO()
    1214             : 
    1215             : ZEND_BEGIN_ARG_INFO(arginfo_mhash_get_hash_name, 0)
    1216             :         ZEND_ARG_INFO(0, hash)
    1217             : ZEND_END_ARG_INFO()
    1218             : 
    1219             : ZEND_BEGIN_ARG_INFO(arginfo_mhash_keygen_s2k, 0)
    1220             :         ZEND_ARG_INFO(0, hash)
    1221             :         ZEND_ARG_INFO(0, input_password)
    1222             :         ZEND_ARG_INFO(0, salt)
    1223             :         ZEND_ARG_INFO(0, bytes)
    1224             : ZEND_END_ARG_INFO()
    1225             : 
    1226             : ZEND_BEGIN_ARG_INFO(arginfo_mhash_count, 0)
    1227             : ZEND_END_ARG_INFO()
    1228             : 
    1229             : ZEND_BEGIN_ARG_INFO_EX(arginfo_mhash, 0, 0, 2)
    1230             :         ZEND_ARG_INFO(0, hash)
    1231             :         ZEND_ARG_INFO(0, data)
    1232             :         ZEND_ARG_INFO(0, key)
    1233             : ZEND_END_ARG_INFO()
    1234             : #endif
    1235             : 
    1236             : /* }}} */
    1237             : 
    1238             : /* {{{ hash_functions[]
    1239             :  */
    1240             : const zend_function_entry hash_functions[] = {
    1241             :         PHP_FE(hash,                                                                    arginfo_hash)
    1242             :         PHP_FE(hash_file,                                                               arginfo_hash_file)
    1243             : 
    1244             :         PHP_FE(hash_hmac,                                                               arginfo_hash_hmac)
    1245             :         PHP_FE(hash_hmac_file,                                                  arginfo_hash_hmac_file)
    1246             : 
    1247             :         PHP_FE(hash_init,                                                               arginfo_hash_init)
    1248             :         PHP_FE(hash_update,                                                             arginfo_hash_update)
    1249             :         PHP_FE(hash_update_stream,                                              arginfo_hash_update_stream)
    1250             :         PHP_FE(hash_update_file,                                                arginfo_hash_update_file)
    1251             :         PHP_FE(hash_final,                                                              arginfo_hash_final)
    1252             :         PHP_FE(hash_copy,                                                               arginfo_hash_copy)
    1253             : 
    1254             :         PHP_FE(hash_algos,                                                              arginfo_hash_algos)
    1255             :         PHP_FE(hash_pbkdf2,                                                             arginfo_hash_pbkdf2)
    1256             :         PHP_FE(hash_equals,                                                             arginfo_hash_equals)
    1257             : 
    1258             :         /* BC Land */
    1259             : #ifdef PHP_HASH_MD5_NOT_IN_CORE
    1260             :         PHP_NAMED_FE(md5, php_if_md5,                                   arginfo_hash_md5)
    1261             :         PHP_NAMED_FE(md5_file, php_if_md5_file,                 arginfo_hash_md5_file)
    1262             : #endif /* PHP_HASH_MD5_NOT_IN_CORE */
    1263             : 
    1264             : #ifdef PHP_HASH_SHA1_NOT_IN_CORE
    1265             :         PHP_NAMED_FE(sha1, php_if_sha1,                                 arginfo_hash_sha1)
    1266             :         PHP_NAMED_FE(sha1_file, php_if_sha1_file,               arginfo_hash_sha1_file)
    1267             : #endif /* PHP_HASH_SHA1_NOT_IN_CORE */
    1268             : 
    1269             : #ifdef PHP_MHASH_BC
    1270             :         PHP_FE(mhash_keygen_s2k, arginfo_mhash_keygen_s2k)
    1271             :         PHP_FE(mhash_get_block_size, arginfo_mhash_get_block_size)
    1272             :         PHP_FE(mhash_get_hash_name, arginfo_mhash_get_hash_name)
    1273             :         PHP_FE(mhash_count, arginfo_mhash_count)
    1274             :         PHP_FE(mhash, arginfo_mhash)
    1275             : #endif
    1276             : 
    1277             :         PHP_FE_END
    1278             : };
    1279             : /* }}} */
    1280             : 
    1281             : /* {{{ hash_module_entry
    1282             :  */
    1283             : zend_module_entry hash_module_entry = {
    1284             :         STANDARD_MODULE_HEADER,
    1285             :         PHP_HASH_EXTNAME,
    1286             :         hash_functions,
    1287             :         PHP_MINIT(hash),
    1288             :         PHP_MSHUTDOWN(hash),
    1289             :         NULL, /* RINIT */
    1290             :         NULL, /* RSHUTDOWN */
    1291             :         PHP_MINFO(hash),
    1292             :         PHP_HASH_VERSION,
    1293             :         STANDARD_MODULE_PROPERTIES
    1294             : };
    1295             : /* }}} */
    1296             : 
    1297             : #ifdef COMPILE_DL_HASH
    1298             : ZEND_GET_MODULE(hash)
    1299             : #endif
    1300             : 
    1301             : /*
    1302             :  * Local variables:
    1303             :  * tab-width: 4
    1304             :  * c-basic-offset: 4
    1305             :  * End:
    1306             :  * vim600: noet sw=4 ts=4 fdm=marker
    1307             :  * vim<600: noet sw=4 ts=4
    1308             :  */
    1309             : 

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