1/*
2  +----------------------------------------------------------------------+
3  | PHP Version 5                                                        |
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
31static int php_hash_le_hash;
32HashTable 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
41struct mhash_bc_entry {
42    char *mhash_name;
43    char *hash_name;
44    int value;
45};
46
47#define MHASH_NUM_ALGOS 34
48
49static 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
89PHP_HASH_API const php_hash_ops *php_hash_fetch_ops(const char *algo, int algo_len) /* {{{ */
90{
91    php_hash_ops *ops;
92    char *lower = estrndup(algo, algo_len);
93
94    zend_str_tolower(lower, algo_len);
95    if (SUCCESS != zend_hash_find(&php_hash_hashtable, lower, algo_len + 1, (void*)&ops)) {
96        ops = NULL;
97    }
98    efree(lower);
99
100    return ops;
101}
102/* }}} */
103
104PHP_HASH_API void php_hash_register_algo(const char *algo, const php_hash_ops *ops) /* {{{ */
105{
106    int algo_len = strlen(algo);
107    char *lower = estrndup(algo, algo_len);
108
109    zend_str_tolower(lower, algo_len);
110    zend_hash_add(&php_hash_hashtable, lower, algo_len + 1, (void*)ops, sizeof(php_hash_ops), NULL);
111    efree(lower);
112}
113/* }}} */
114
115PHP_HASH_API int php_hash_copy(const void *ops, void *orig_context, void *dest_context) /* {{{ */
116{
117    php_hash_ops *hash_ops = (php_hash_ops *)ops;
118
119    memcpy(dest_context, orig_context, hash_ops->context_size);
120    return SUCCESS;
121}
122/* }}} */
123
124/* Userspace */
125
126static void php_hash_do_hash(INTERNAL_FUNCTION_PARAMETERS, int isfilename, zend_bool raw_output_default) /* {{{ */
127{
128    char *algo, *data, *digest;
129    int algo_len, data_len;
130    zend_bool raw_output = raw_output_default;
131    const php_hash_ops *ops;
132    void *context;
133    php_stream *stream = NULL;
134
135    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|b", &algo, &algo_len, &data, &data_len, &raw_output) == FAILURE) {
136        return;
137    }
138
139    ops = php_hash_fetch_ops(algo, algo_len);
140    if (!ops) {
141        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown hashing algorithm: %s", algo);
142        RETURN_FALSE;
143    }
144    if (isfilename) {
145        if (CHECK_NULL_PATH(data, data_len)) {
146            php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid path");
147            RETURN_FALSE;
148        }
149        stream = php_stream_open_wrapper_ex(data, "rb", REPORT_ERRORS, NULL, DEFAULT_CONTEXT);
150        if (!stream) {
151            /* Stream will report errors opening file */
152            RETURN_FALSE;
153        }
154    }
155
156    context = emalloc(ops->context_size);
157    ops->hash_init(context);
158
159    if (isfilename) {
160        char buf[1024];
161        int n;
162
163        while ((n = php_stream_read(stream, buf, sizeof(buf))) > 0) {
164            ops->hash_update(context, (unsigned char *) buf, n);
165        }
166        php_stream_close(stream);
167    } else {
168        ops->hash_update(context, (unsigned char *) data, data_len);
169    }
170
171    digest = emalloc(ops->digest_size + 1);
172    ops->hash_final((unsigned char *) digest, context);
173    efree(context);
174
175    if (raw_output) {
176        digest[ops->digest_size] = 0;
177        RETURN_STRINGL(digest, ops->digest_size, 0);
178    } else {
179        char *hex_digest = safe_emalloc(ops->digest_size, 2, 1);
180
181        php_hash_bin2hex(hex_digest, (unsigned char *) digest, ops->digest_size);
182        hex_digest[2 * ops->digest_size] = 0;
183        efree(digest);
184        RETURN_STRINGL(hex_digest, 2 * ops->digest_size, 0);
185    }
186}
187/* }}} */
188
189/* {{{ proto string hash(string algo, string data[, bool raw_output = false])
190Generate a hash of a given input string
191Returns lowercase hexits by default */
192PHP_FUNCTION(hash)
193{
194    php_hash_do_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0, 0);
195}
196/* }}} */
197
198/* {{{ proto string hash_file(string algo, string filename[, bool raw_output = false])
199Generate a hash of a given file
200Returns lowercase hexits by default */
201PHP_FUNCTION(hash_file)
202{
203    php_hash_do_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1, 0);
204}
205/* }}} */
206
207static inline void php_hash_string_xor_char(unsigned char *out, const unsigned char *in, const unsigned char xor_with, const int length) {
208    int i;
209    for (i=0; i < length; i++) {
210        out[i] = in[i] ^ xor_with;
211    }
212}
213
214static inline void php_hash_string_xor(unsigned char *out, const unsigned char *in, const unsigned char *xor_with, const int length) {
215    int i;
216    for (i=0; i < length; i++) {
217        out[i] = in[i] ^ xor_with[i];
218    }
219}
220
221static inline void php_hash_hmac_prep_key(unsigned char *K, const php_hash_ops *ops, void *context, const unsigned char *key, const int key_len) {
222    memset(K, 0, ops->block_size);
223    if (key_len > ops->block_size) {
224        /* Reduce the key first */
225        ops->hash_init(context);
226        ops->hash_update(context, key, key_len);
227        ops->hash_final(K, context);
228    } else {
229        memcpy(K, key, key_len);
230    }
231    /* XOR the key with 0x36 to get the ipad) */
232    php_hash_string_xor_char(K, K, 0x36, ops->block_size);
233}
234
235static 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 long data_size) {
236    ops->hash_init(context);
237    ops->hash_update(context, key, ops->block_size);
238    ops->hash_update(context, data, data_size);
239    ops->hash_final(final, context);
240}
241
242static void php_hash_do_hash_hmac(INTERNAL_FUNCTION_PARAMETERS, int isfilename, zend_bool raw_output_default) /* {{{ */
243{
244    char *algo, *data, *digest, *key, *K;
245    int algo_len, data_len, key_len;
246    zend_bool raw_output = raw_output_default;
247    const php_hash_ops *ops;
248    void *context;
249    php_stream *stream = NULL;
250
251    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sss|b", &algo, &algo_len, &data, &data_len,
252                                                                  &key, &key_len, &raw_output) == FAILURE) {
253        return;
254    }
255
256    ops = php_hash_fetch_ops(algo, algo_len);
257    if (!ops) {
258        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown hashing algorithm: %s", algo);
259        RETURN_FALSE;
260    }
261    if (isfilename) {
262        if (CHECK_NULL_PATH(data, data_len)) {
263            php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid path");
264            RETURN_FALSE;
265        }
266        stream = php_stream_open_wrapper_ex(data, "rb", REPORT_ERRORS, NULL, DEFAULT_CONTEXT);
267        if (!stream) {
268            /* Stream will report errors opening file */
269            RETURN_FALSE;
270        }
271    }
272
273    context = emalloc(ops->context_size);
274
275    K = emalloc(ops->block_size);
276    digest = emalloc(ops->digest_size + 1);
277
278    php_hash_hmac_prep_key((unsigned char *) K, ops, context, (unsigned char *) key, key_len);
279
280    if (isfilename) {
281        char buf[1024];
282        int n;
283        ops->hash_init(context);
284        ops->hash_update(context, (unsigned char *) K, ops->block_size);
285        while ((n = php_stream_read(stream, buf, sizeof(buf))) > 0) {
286            ops->hash_update(context, (unsigned char *) buf, n);
287        }
288        php_stream_close(stream);
289        ops->hash_final((unsigned char *) digest, context);
290    } else {
291        php_hash_hmac_round((unsigned char *) digest, ops, context, (unsigned char *) K, (unsigned char *) data, data_len);
292    }
293
294    php_hash_string_xor_char((unsigned char *) K, (unsigned char *) K, 0x6A, ops->block_size);
295
296    php_hash_hmac_round((unsigned char *) digest, ops, context, (unsigned char *) K, (unsigned char *) digest, ops->digest_size);
297
298    /* Zero the key */
299    memset(K, 0, ops->block_size);
300    efree(K);
301    efree(context);
302
303    if (raw_output) {
304        digest[ops->digest_size] = 0;
305        RETURN_STRINGL(digest, ops->digest_size, 0);
306    } else {
307        char *hex_digest = safe_emalloc(ops->digest_size, 2, 1);
308
309        php_hash_bin2hex(hex_digest, (unsigned char *) digest, ops->digest_size);
310        hex_digest[2 * ops->digest_size] = 0;
311        efree(digest);
312        RETURN_STRINGL(hex_digest, 2 * ops->digest_size, 0);
313    }
314}
315/* }}} */
316
317/* {{{ proto string hash_hmac(string algo, string data, string key[, bool raw_output = false])
318Generate a hash of a given input string with a key using HMAC
319Returns lowercase hexits by default */
320PHP_FUNCTION(hash_hmac)
321{
322    php_hash_do_hash_hmac(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0, 0);
323}
324/* }}} */
325
326/* {{{ proto string hash_hmac_file(string algo, string filename, string key[, bool raw_output = false])
327Generate a hash of a given file with a key using HMAC
328Returns lowercase hexits by default */
329PHP_FUNCTION(hash_hmac_file)
330{
331    php_hash_do_hash_hmac(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1, 0);
332}
333/* }}} */
334
335
336/* {{{ proto resource hash_init(string algo[, int options, string key])
337Initialize a hashing context */
338PHP_FUNCTION(hash_init)
339{
340    char *algo, *key = NULL;
341    int algo_len, key_len = 0, argc = ZEND_NUM_ARGS();
342    long options = 0;
343    void *context;
344    const php_hash_ops *ops;
345    php_hash_data *hash;
346
347    if (zend_parse_parameters(argc TSRMLS_CC, "s|ls", &algo, &algo_len, &options, &key, &key_len) == FAILURE) {
348        return;
349    }
350
351    ops = php_hash_fetch_ops(algo, algo_len);
352    if (!ops) {
353        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown hashing algorithm: %s", algo);
354        RETURN_FALSE;
355    }
356
357    if (options & PHP_HASH_HMAC &&
358        key_len <= 0) {
359        /* Note: a zero length key is no key at all */
360        php_error_docref(NULL TSRMLS_CC, E_WARNING, "HMAC requested without a key");
361        RETURN_FALSE;
362    }
363
364    context = emalloc(ops->context_size);
365    ops->hash_init(context);
366
367    hash = emalloc(sizeof(php_hash_data));
368    hash->ops = ops;
369    hash->context = context;
370    hash->options = options;
371    hash->key = NULL;
372
373    if (options & PHP_HASH_HMAC) {
374        char *K = emalloc(ops->block_size);
375        int i;
376
377        memset(K, 0, ops->block_size);
378
379        if (key_len > ops->block_size) {
380            /* Reduce the key first */
381            ops->hash_update(context, (unsigned char *) key, key_len);
382            ops->hash_final((unsigned char *) K, context);
383            /* Make the context ready to start over */
384            ops->hash_init(context);
385        } else {
386            memcpy(K, key, key_len);
387        }
388
389        /* XOR ipad */
390        for(i=0; i < ops->block_size; i++) {
391            K[i] ^= 0x36;
392        }
393        ops->hash_update(context, (unsigned char *) K, ops->block_size);
394        hash->key = (unsigned char *) K;
395    }
396
397    ZEND_REGISTER_RESOURCE(return_value, hash, php_hash_le_hash);
398}
399/* }}} */
400
401/* {{{ proto bool hash_update(resource context, string data)
402Pump data into the hashing algorithm */
403PHP_FUNCTION(hash_update)
404{
405    zval *zhash;
406    php_hash_data *hash;
407    char *data;
408    int data_len;
409
410    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs", &zhash, &data, &data_len) == FAILURE) {
411        return;
412    }
413
414    ZEND_FETCH_RESOURCE(hash, php_hash_data*, &zhash, -1, PHP_HASH_RESNAME, php_hash_le_hash);
415
416    hash->ops->hash_update(hash->context, (unsigned char *) data, data_len);
417
418    RETURN_TRUE;
419}
420/* }}} */
421
422/* {{{ proto int hash_update_stream(resource context, resource handle[, integer length])
423Pump data into the hashing algorithm from an open stream */
424PHP_FUNCTION(hash_update_stream)
425{
426    zval *zhash, *zstream;
427    php_hash_data *hash;
428    php_stream *stream = NULL;
429    long length = -1, didread = 0;
430
431    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rr|l", &zhash, &zstream, &length) == FAILURE) {
432        return;
433    }
434
435    ZEND_FETCH_RESOURCE(hash, php_hash_data*, &zhash, -1, PHP_HASH_RESNAME, php_hash_le_hash);
436    php_stream_from_zval(stream, &zstream);
437
438    while (length) {
439        char buf[1024];
440        long n, toread = 1024;
441
442        if (length > 0 && toread > length) {
443            toread = length;
444        }
445
446        if ((n = php_stream_read(stream, buf, toread)) <= 0) {
447            /* Nada mas */
448            RETURN_LONG(didread);
449        }
450        hash->ops->hash_update(hash->context, (unsigned char *) buf, n);
451        length -= n;
452        didread += n;
453    }
454
455    RETURN_LONG(didread);
456}
457/* }}} */
458
459/* {{{ proto bool hash_update_file(resource context, string filename[, resource context])
460Pump data into the hashing algorithm from a file */
461PHP_FUNCTION(hash_update_file)
462{
463    zval *zhash, *zcontext = NULL;
464    php_hash_data *hash;
465    php_stream_context *context;
466    php_stream *stream;
467    char *filename, buf[1024];
468    int filename_len, n;
469
470    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rp|r", &zhash, &filename, &filename_len, &zcontext) == FAILURE) {
471        return;
472    }
473
474    ZEND_FETCH_RESOURCE(hash, php_hash_data*, &zhash, -1, PHP_HASH_RESNAME, php_hash_le_hash);
475    context = php_stream_context_from_zval(zcontext, 0);
476
477    stream = php_stream_open_wrapper_ex(filename, "rb", REPORT_ERRORS, NULL, context);
478    if (!stream) {
479        /* Stream will report errors opening file */
480        RETURN_FALSE;
481    }
482
483    while ((n = php_stream_read(stream, buf, sizeof(buf))) > 0) {
484        hash->ops->hash_update(hash->context, (unsigned char *) buf, n);
485    }
486    php_stream_close(stream);
487
488    RETURN_TRUE;
489}
490/* }}} */
491
492/* {{{ proto string hash_final(resource context[, bool raw_output=false])
493Output resulting digest */
494PHP_FUNCTION(hash_final)
495{
496    zval *zhash;
497    php_hash_data *hash;
498    zend_bool raw_output = 0;
499    zend_rsrc_list_entry *le;
500    char *digest;
501    int digest_len;
502
503    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|b", &zhash, &raw_output) == FAILURE) {
504        return;
505    }
506
507    ZEND_FETCH_RESOURCE(hash, php_hash_data*, &zhash, -1, PHP_HASH_RESNAME, php_hash_le_hash);
508
509    digest_len = hash->ops->digest_size;
510    digest = emalloc(digest_len + 1);
511    hash->ops->hash_final((unsigned char *) digest, hash->context);
512    if (hash->options & PHP_HASH_HMAC) {
513        int i;
514
515        /* Convert K to opad -- 0x6A = 0x36 ^ 0x5C */
516        for(i=0; i < hash->ops->block_size; i++) {
517            hash->key[i] ^= 0x6A;
518        }
519
520        /* Feed this result into the outter hash */
521        hash->ops->hash_init(hash->context);
522        hash->ops->hash_update(hash->context, (unsigned char *) hash->key, hash->ops->block_size);
523        hash->ops->hash_update(hash->context, (unsigned char *) digest, hash->ops->digest_size);
524        hash->ops->hash_final((unsigned char *) digest, hash->context);
525
526        /* Zero the key */
527        memset(hash->key, 0, hash->ops->block_size);
528        efree(hash->key);
529        hash->key = NULL;
530    }
531    digest[digest_len] = 0;
532    efree(hash->context);
533    hash->context = NULL;
534
535    /* zend_list_REAL_delete() */
536    if (zend_hash_index_find(&EG(regular_list), Z_RESVAL_P(zhash), (void *) &le)==SUCCESS) {
537        /* This is a hack to avoid letting the resource hide elsewhere (like in separated vars)
538            FETCH_RESOURCE is intelligent enough to handle dealing with any issues this causes */
539        le->refcount = 1;
540    } /* FAILURE is not an option */
541    zend_list_delete(Z_RESVAL_P(zhash));
542
543    if (raw_output) {
544        RETURN_STRINGL(digest, digest_len, 0);
545    } else {
546        char *hex_digest = safe_emalloc(digest_len,2,1);
547
548        php_hash_bin2hex(hex_digest, (unsigned char *) digest, digest_len);
549        hex_digest[2 * digest_len] = 0;
550        efree(digest);
551        RETURN_STRINGL(hex_digest, 2 * digest_len, 0);
552    }
553}
554/* }}} */
555
556/* {{{ proto resource hash_copy(resource context)
557Copy hash resource */
558PHP_FUNCTION(hash_copy)
559{
560    zval *zhash;
561    php_hash_data *hash, *copy_hash;
562    void *context;
563    int res;
564
565    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zhash) == FAILURE) {
566        return;
567    }
568
569    ZEND_FETCH_RESOURCE(hash, php_hash_data*, &zhash, -1, PHP_HASH_RESNAME, php_hash_le_hash);
570
571
572    context = emalloc(hash->ops->context_size);
573    hash->ops->hash_init(context);
574
575    res = hash->ops->hash_copy(hash->ops, hash->context, context);
576    if (res != SUCCESS) {
577        efree(context);
578        RETURN_FALSE;
579    }
580
581    copy_hash = emalloc(sizeof(php_hash_data));
582    copy_hash->ops = hash->ops;
583    copy_hash->context = context;
584    copy_hash->options = hash->options;
585    copy_hash->key = ecalloc(1, hash->ops->block_size);
586    if (hash->key) {
587        memcpy(copy_hash->key, hash->key, hash->ops->block_size);
588    }
589    ZEND_REGISTER_RESOURCE(return_value, copy_hash, php_hash_le_hash);
590}
591/* }}} */
592
593/* {{{ proto array hash_algos(void)
594Return a list of registered hashing algorithms */
595PHP_FUNCTION(hash_algos)
596{
597    HashPosition pos;
598    char *str;
599    uint str_len;
600    long type;
601    ulong idx;
602
603    array_init(return_value);
604    for(zend_hash_internal_pointer_reset_ex(&php_hash_hashtable, &pos);
605        (type = zend_hash_get_current_key_ex(&php_hash_hashtable, &str, &str_len, &idx, 0, &pos)) != HASH_KEY_NON_EXISTENT;
606        zend_hash_move_forward_ex(&php_hash_hashtable, &pos)) {
607        add_next_index_stringl(return_value, str, str_len-1, 1);
608    }
609}
610/* }}} */
611
612/* {{{ proto string hash_pbkdf2(string algo, string password, string salt, int iterations [, int length = 0, bool raw_output = false])
613Generate a PBKDF2 hash of the given password and salt
614Returns lowercase hexits by default */
615PHP_FUNCTION(hash_pbkdf2)
616{
617    char *returnval, *algo, *salt, *pass;
618    unsigned char *computed_salt, *digest, *temp, *result, *K1, *K2;
619    long loops, i, j, iterations, length = 0, digest_length;
620    int algo_len, pass_len, salt_len;
621    zend_bool raw_output = 0;
622    const php_hash_ops *ops;
623    void *context;
624
625    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sssl|lb", &algo, &algo_len, &pass, &pass_len, &salt, &salt_len, &iterations, &length, &raw_output) == FAILURE) {
626        return;
627    }
628
629    ops = php_hash_fetch_ops(algo, algo_len);
630    if (!ops) {
631        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown hashing algorithm: %s", algo);
632        RETURN_FALSE;
633    }
634
635    if (iterations <= 0) {
636        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Iterations must be a positive integer: %ld", iterations);
637        RETURN_FALSE;
638    }
639
640    if (length < 0) {
641        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Length must be greater than or equal to 0: %ld", length);
642        RETURN_FALSE;
643    }
644
645    if (salt_len > INT_MAX - 4) {
646        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Supplied salt is too long, max of INT_MAX - 4 bytes: %d supplied", salt_len);
647        RETURN_FALSE;
648    }
649
650    context = emalloc(ops->context_size);
651    ops->hash_init(context);
652
653    K1 = emalloc(ops->block_size);
654    K2 = emalloc(ops->block_size);
655    digest = emalloc(ops->digest_size);
656    temp = emalloc(ops->digest_size);
657
658    /* Setup Keys that will be used for all hmac rounds */
659    php_hash_hmac_prep_key(K1, ops, context, (unsigned char *) pass, pass_len);
660    /* Convert K1 to opad -- 0x6A = 0x36 ^ 0x5C */
661    php_hash_string_xor_char(K2, K1, 0x6A, ops->block_size);
662
663    /* Setup Main Loop to build a long enough result */
664    if (length == 0) {
665        length = ops->digest_size;
666        if (!raw_output) {
667            length = length * 2;
668        }
669    }
670    digest_length = length;
671    if (!raw_output) {
672        digest_length = (long) ceil((float) length / 2.0);
673    }
674
675    loops = (long) ceil((float) digest_length / (float) ops->digest_size);
676
677    result = safe_emalloc(loops, ops->digest_size, 0);
678
679    computed_salt = safe_emalloc(salt_len, 1, 4);
680    memcpy(computed_salt, (unsigned char *) salt, salt_len);
681
682    for (i = 1; i <= loops; i++) {
683        /* digest = hash_hmac(salt + pack('N', i), password) { */
684
685        /* pack("N", i) */
686        computed_salt[salt_len] = (unsigned char) (i >> 24);
687        computed_salt[salt_len + 1] = (unsigned char) ((i & 0xFF0000) >> 16);
688        computed_salt[salt_len + 2] = (unsigned char) ((i & 0xFF00) >> 8);
689        computed_salt[salt_len + 3] = (unsigned char) (i & 0xFF);
690
691        php_hash_hmac_round(digest, ops, context, K1, computed_salt, (long) salt_len + 4);
692        php_hash_hmac_round(digest, ops, context, K2, digest, ops->digest_size);
693        /* } */
694
695        /* temp = digest */
696        memcpy(temp, digest, ops->digest_size);
697
698        /*
699         * Note that the loop starting at 1 is intentional, since we've already done
700         * the first round of the algorithm.
701         */
702        for (j = 1; j < iterations; j++) {
703            /* digest = hash_hmac(digest, password) { */
704            php_hash_hmac_round(digest, ops, context, K1, digest, ops->digest_size);
705            php_hash_hmac_round(digest, ops, context, K2, digest, ops->digest_size);
706            /* } */
707            /* temp ^= digest */
708            php_hash_string_xor(temp, temp, digest, ops->digest_size);
709        }
710        /* result += temp */
711        memcpy(result + ((i - 1) * ops->digest_size), temp, ops->digest_size);
712    }
713    /* Zero potentially sensitive variables */
714    memset(K1, 0, ops->block_size);
715    memset(K2, 0, ops->block_size);
716    memset(computed_salt, 0, salt_len + 4);
717    efree(K1);
718    efree(K2);
719    efree(computed_salt);
720    efree(context);
721    efree(digest);
722    efree(temp);
723
724    returnval = safe_emalloc(length, 1, 1);
725    if (raw_output) {
726        memcpy(returnval, result, length);
727    } else {
728        php_hash_bin2hex(returnval, result, digest_length);
729    }
730    returnval[length] = 0;
731    efree(result);
732    RETURN_STRINGL(returnval, length, 0);
733}
734/* }}} */
735
736/* {{{ proto bool hash_equals(string known_string, string user_string)
737   Compares two strings using the same time whether they're equal or not.
738   A difference in length will leak */
739PHP_FUNCTION(hash_equals)
740{
741    zval *known_zval, *user_zval;
742    char *known_str, *user_str;
743    int result = 0, j;
744
745    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zz", &known_zval, &user_zval) == FAILURE) {
746        return;
747    }
748
749    /* We only allow comparing string to prevent unexpected results. */
750    if (Z_TYPE_P(known_zval) != IS_STRING) {
751        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Expected known_string to be a string, %s given", zend_zval_type_name(known_zval));
752        RETURN_FALSE;
753    }
754
755    if (Z_TYPE_P(user_zval) != IS_STRING) {
756        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Expected user_string to be a string, %s given", zend_zval_type_name(user_zval));
757        RETURN_FALSE;
758    }
759
760    if (Z_STRLEN_P(known_zval) != Z_STRLEN_P(user_zval)) {
761        RETURN_FALSE;
762    }
763
764    known_str = Z_STRVAL_P(known_zval);
765    user_str = Z_STRVAL_P(user_zval);
766
767    /* This is security sensitive code. Do not optimize this for speed. */
768    for (j = 0; j < Z_STRLEN_P(known_zval); j++) {
769        result |= known_str[j] ^ user_str[j];
770    }
771
772    RETURN_BOOL(0 == result);
773}
774/* }}} */
775
776/* Module Housekeeping */
777
778static void php_hash_dtor(zend_rsrc_list_entry *rsrc TSRMLS_DC) /* {{{ */
779{
780    php_hash_data *hash = (php_hash_data*)rsrc->ptr;
781
782    /* Just in case the algo has internally allocated resources */
783    if (hash->context) {
784        unsigned char *dummy = emalloc(hash->ops->digest_size);
785        hash->ops->hash_final(dummy, hash->context);
786        efree(dummy);
787        efree(hash->context);
788    }
789
790    if (hash->key) {
791        memset(hash->key, 0, hash->ops->block_size);
792        efree(hash->key);
793    }
794    efree(hash);
795}
796/* }}} */
797
798#define PHP_HASH_HAVAL_REGISTER(p,b)    php_hash_register_algo("haval" #b "," #p , &php_hash_##p##haval##b##_ops);
799
800#ifdef PHP_MHASH_BC
801
802PHP_MINFO_FUNCTION(mhash)
803{
804    php_info_print_table_start();
805    php_info_print_table_row(2, "MHASH support", "Enabled");
806    php_info_print_table_row(2, "MHASH API Version", "Emulated Support");
807    php_info_print_table_end();
808}
809
810zend_module_entry mhash_module_entry = {
811    STANDARD_MODULE_HEADER,
812    "mhash",
813    NULL,
814    NULL,
815    NULL,
816    NULL,
817    NULL,
818    PHP_MINFO(mhash),
819    NO_VERSION_YET,
820    STANDARD_MODULE_PROPERTIES,
821};
822
823static void mhash_init(INIT_FUNC_ARGS)
824{
825    char buf[128];
826    int len;
827    int algo_number = 0;
828
829    for (algo_number = 0; algo_number < MHASH_NUM_ALGOS; algo_number++) {
830        struct mhash_bc_entry algorithm = mhash_to_hash[algo_number];
831        if (algorithm.mhash_name == NULL) {
832            continue;
833        }
834
835        len = slprintf(buf, 127, "MHASH_%s", algorithm.mhash_name, strlen(algorithm.mhash_name));
836        zend_register_long_constant(buf, len + 1, algorithm.value, CONST_CS | CONST_PERSISTENT, module_number TSRMLS_CC);
837    }
838    zend_register_internal_module(&mhash_module_entry TSRMLS_CC);
839}
840
841/* {{{ proto string mhash(int hash, string data [, string key])
842   Hash data with hash */
843PHP_FUNCTION(mhash)
844{
845    zval **z_algorithm;
846    long algorithm;
847
848    if (zend_parse_parameters(1 TSRMLS_CC, "Z", &z_algorithm) == FAILURE) {
849        return;
850    }
851
852    SEPARATE_ZVAL(z_algorithm);
853    convert_to_long_ex(z_algorithm);
854    algorithm = Z_LVAL_PP(z_algorithm);
855
856    /* need to convert the first parameter from int constant to string algorithm name */
857    if (algorithm >= 0 && algorithm < MHASH_NUM_ALGOS) {
858        struct mhash_bc_entry algorithm_lookup = mhash_to_hash[algorithm];
859        if (algorithm_lookup.hash_name) {
860            ZVAL_STRING(*z_algorithm, algorithm_lookup.hash_name, 1);
861        }
862    }
863
864    if (ZEND_NUM_ARGS() == 3) {
865        php_hash_do_hash_hmac(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0, 1);
866    } else if (ZEND_NUM_ARGS() == 2) {
867        php_hash_do_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0, 1);
868    } else {
869        WRONG_PARAM_COUNT;
870    }
871}
872/* }}} */
873
874/* {{{ proto string mhash_get_hash_name(int hash)
875   Gets the name of hash */
876PHP_FUNCTION(mhash_get_hash_name)
877{
878    long algorithm;
879
880    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &algorithm) == FAILURE) {
881        return;
882    }
883
884    if (algorithm >= 0 && algorithm  < MHASH_NUM_ALGOS) {
885        struct mhash_bc_entry algorithm_lookup = mhash_to_hash[algorithm];
886        if (algorithm_lookup.mhash_name) {
887            RETURN_STRING(algorithm_lookup.mhash_name, 1);
888        }
889    }
890    RETURN_FALSE;
891}
892/* }}} */
893
894/* {{{ proto int mhash_count(void)
895   Gets the number of available hashes */
896PHP_FUNCTION(mhash_count)
897{
898    if (zend_parse_parameters_none() == FAILURE) {
899        return;
900    }
901    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 */
907PHP_FUNCTION(mhash_get_block_size)
908{
909    long algorithm;
910
911    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &algorithm) == FAILURE) {
912        return;
913    }
914    RETVAL_FALSE;
915
916    if (algorithm >= 0 && algorithm  < MHASH_NUM_ALGOS) {
917        struct mhash_bc_entry algorithm_lookup = mhash_to_hash[algorithm];
918        if (algorithm_lookup.mhash_name) {
919            const php_hash_ops *ops = php_hash_fetch_ops(algorithm_lookup.hash_name, strlen(algorithm_lookup.hash_name));
920            if (ops) {
921                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 */
932PHP_FUNCTION(mhash_keygen_s2k)
933{
934    long algorithm, l_bytes;
935    int bytes;
936    char *password, *salt;
937    int password_len, salt_len;
938    char padded_salt[SALT_SIZE];
939
940    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lssl", &algorithm, &password, &password_len, &salt, &salt_len, &l_bytes) == FAILURE) {
941        return;
942    }
943
944    bytes = (int)l_bytes;
945    if (bytes <= 0){
946        php_error_docref(NULL TSRMLS_CC, E_WARNING, "the byte parameter must be greater than 0");
947        RETURN_FALSE;
948    }
949
950    salt_len = MIN(salt_len, SALT_SIZE);
951
952    memcpy(padded_salt, salt, salt_len);
953    if (salt_len < SALT_SIZE) {
954        memset(padded_salt + salt_len, 0, SALT_SIZE - salt_len);
955    }
956    salt_len = SALT_SIZE;
957
958    RETVAL_FALSE;
959    if (algorithm >= 0 && algorithm < MHASH_NUM_ALGOS) {
960        struct mhash_bc_entry algorithm_lookup = mhash_to_hash[algorithm];
961        if (algorithm_lookup.mhash_name) {
962            const php_hash_ops *ops = php_hash_fetch_ops(algorithm_lookup.hash_name, strlen(algorithm_lookup.hash_name));
963            if (ops) {
964                unsigned char null = '\0';
965                void *context;
966                char *key, *digest;
967                int i = 0, j = 0;
968                int block_size = ops->digest_size;
969                int times = bytes / block_size;
970                if (bytes % block_size  != 0) times++;
971
972                context = emalloc(ops->context_size);
973                ops->hash_init(context);
974
975                key = ecalloc(1, times * block_size);
976                digest = emalloc(ops->digest_size + 1);
977
978                for (i = 0; i < times; i++) {
979                    ops->hash_init(context);
980
981                    for (j=0;j<i;j++) {
982                        ops->hash_update(context, &null, 1);
983                    }
984                    ops->hash_update(context, (unsigned char *)padded_salt, salt_len);
985                    ops->hash_update(context, (unsigned char *)password, password_len);
986                    ops->hash_final((unsigned char *)digest, context);
987                    memcpy( &key[i*block_size], digest, block_size);
988                }
989
990                RETVAL_STRINGL(key, bytes, 1);
991                memset(key, 0, bytes);
992                efree(digest);
993                efree(context);
994                efree(key);
995            }
996        }
997    }
998}
999/* }}} */
1000
1001#endif
1002
1003/* {{{ PHP_MINIT_FUNCTION
1004 */
1005PHP_MINIT_FUNCTION(hash)
1006{
1007    php_hash_le_hash = zend_register_list_destructors_ex(php_hash_dtor, NULL, PHP_HASH_RESNAME, module_number);
1008
1009    zend_hash_init(&php_hash_hashtable, 35, NULL, NULL, 1);
1010
1011    php_hash_register_algo("md2",           &php_hash_md2_ops);
1012    php_hash_register_algo("md4",           &php_hash_md4_ops);
1013    php_hash_register_algo("md5",           &php_hash_md5_ops);
1014    php_hash_register_algo("sha1",          &php_hash_sha1_ops);
1015    php_hash_register_algo("sha224",        &php_hash_sha224_ops);
1016    php_hash_register_algo("sha256",        &php_hash_sha256_ops);
1017    php_hash_register_algo("sha384",        &php_hash_sha384_ops);
1018    php_hash_register_algo("sha512",        &php_hash_sha512_ops);
1019    php_hash_register_algo("ripemd128",     &php_hash_ripemd128_ops);
1020    php_hash_register_algo("ripemd160",     &php_hash_ripemd160_ops);
1021    php_hash_register_algo("ripemd256",     &php_hash_ripemd256_ops);
1022    php_hash_register_algo("ripemd320",     &php_hash_ripemd320_ops);
1023    php_hash_register_algo("whirlpool",     &php_hash_whirlpool_ops);
1024    php_hash_register_algo("tiger128,3",    &php_hash_3tiger128_ops);
1025    php_hash_register_algo("tiger160,3",    &php_hash_3tiger160_ops);
1026    php_hash_register_algo("tiger192,3",    &php_hash_3tiger192_ops);
1027    php_hash_register_algo("tiger128,4",    &php_hash_4tiger128_ops);
1028    php_hash_register_algo("tiger160,4",    &php_hash_4tiger160_ops);
1029    php_hash_register_algo("tiger192,4",    &php_hash_4tiger192_ops);
1030    php_hash_register_algo("snefru",        &php_hash_snefru_ops);
1031    php_hash_register_algo("snefru256",     &php_hash_snefru_ops);
1032    php_hash_register_algo("gost",          &php_hash_gost_ops);
1033    php_hash_register_algo("gost-crypto",       &php_hash_gost_crypto_ops);
1034    php_hash_register_algo("adler32",       &php_hash_adler32_ops);
1035    php_hash_register_algo("crc32",         &php_hash_crc32_ops);
1036    php_hash_register_algo("crc32b",        &php_hash_crc32b_ops);
1037    php_hash_register_algo("fnv132",        &php_hash_fnv132_ops);
1038    php_hash_register_algo("fnv1a32",       &php_hash_fnv1a32_ops);
1039    php_hash_register_algo("fnv164",        &php_hash_fnv164_ops);
1040    php_hash_register_algo("fnv1a64",       &php_hash_fnv1a64_ops);
1041    php_hash_register_algo("joaat",         &php_hash_joaat_ops);
1042
1043    PHP_HASH_HAVAL_REGISTER(3,128);
1044    PHP_HASH_HAVAL_REGISTER(3,160);
1045    PHP_HASH_HAVAL_REGISTER(3,192);
1046    PHP_HASH_HAVAL_REGISTER(3,224);
1047    PHP_HASH_HAVAL_REGISTER(3,256);
1048
1049    PHP_HASH_HAVAL_REGISTER(4,128);
1050    PHP_HASH_HAVAL_REGISTER(4,160);
1051    PHP_HASH_HAVAL_REGISTER(4,192);
1052    PHP_HASH_HAVAL_REGISTER(4,224);
1053    PHP_HASH_HAVAL_REGISTER(4,256);
1054
1055    PHP_HASH_HAVAL_REGISTER(5,128);
1056    PHP_HASH_HAVAL_REGISTER(5,160);
1057    PHP_HASH_HAVAL_REGISTER(5,192);
1058    PHP_HASH_HAVAL_REGISTER(5,224);
1059    PHP_HASH_HAVAL_REGISTER(5,256);
1060
1061    REGISTER_LONG_CONSTANT("HASH_HMAC",     PHP_HASH_HMAC,  CONST_CS | CONST_PERSISTENT);
1062
1063#ifdef PHP_MHASH_BC
1064    mhash_init(INIT_FUNC_ARGS_PASSTHRU);
1065#endif
1066
1067    return SUCCESS;
1068}
1069/* }}} */
1070
1071/* {{{ PHP_MSHUTDOWN_FUNCTION
1072 */
1073PHP_MSHUTDOWN_FUNCTION(hash)
1074{
1075    zend_hash_destroy(&php_hash_hashtable);
1076
1077    return SUCCESS;
1078}
1079/* }}} */
1080
1081/* {{{ PHP_MINFO_FUNCTION
1082 */
1083PHP_MINFO_FUNCTION(hash)
1084{
1085    HashPosition pos;
1086    char buffer[2048];
1087    char *s = buffer, *e = s + sizeof(buffer), *str;
1088    ulong idx;
1089    long type;
1090
1091    for(zend_hash_internal_pointer_reset_ex(&php_hash_hashtable, &pos);
1092        (type = zend_hash_get_current_key_ex(&php_hash_hashtable, &str, NULL, &idx, 0, &pos)) != HASH_KEY_NON_EXISTENT;
1093        zend_hash_move_forward_ex(&php_hash_hashtable, &pos)) {
1094        s += slprintf(s, e - s, "%s ", str);
1095    }
1096    *s = 0;
1097
1098    php_info_print_table_start();
1099    php_info_print_table_row(2, "hash support", "enabled");
1100    php_info_print_table_row(2, "Hashing Engines", buffer);
1101    php_info_print_table_end();
1102}
1103/* }}} */
1104
1105/* {{{ arginfo */
1106#ifdef PHP_HASH_MD5_NOT_IN_CORE
1107ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_md5, 0, 0, 1)
1108    ZEND_ARG_INFO(0, str)
1109    ZEND_ARG_INFO(0, raw_output)
1110ZEND_END_ARG_INFO()
1111
1112ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_md5_file, 0, 0, 1)
1113    ZEND_ARG_INFO(0, filename)
1114    ZEND_ARG_INFO(0, raw_output)
1115ZEND_END_ARG_INFO()
1116#endif
1117
1118#ifdef PHP_HASH_SHA1_NOT_IN_CORE
1119ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_sha1, 0, 0, 1)
1120    ZEND_ARG_INFO(0, str)
1121    ZEND_ARG_INFO(0, raw_output)
1122ZEND_END_ARG_INFO()
1123
1124ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_sha1_file, 0, 0, 1)
1125    ZEND_ARG_INFO(0, filename)
1126    ZEND_ARG_INFO(0, raw_output)
1127ZEND_END_ARG_INFO()
1128#endif
1129
1130ZEND_BEGIN_ARG_INFO_EX(arginfo_hash, 0, 0, 2)
1131    ZEND_ARG_INFO(0, algo)
1132    ZEND_ARG_INFO(0, data)
1133    ZEND_ARG_INFO(0, raw_output)
1134ZEND_END_ARG_INFO()
1135
1136ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_file, 0, 0, 2)
1137    ZEND_ARG_INFO(0, algo)
1138    ZEND_ARG_INFO(0, filename)
1139    ZEND_ARG_INFO(0, raw_output)
1140ZEND_END_ARG_INFO()
1141
1142ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_hmac, 0, 0, 3)
1143    ZEND_ARG_INFO(0, algo)
1144    ZEND_ARG_INFO(0, data)
1145    ZEND_ARG_INFO(0, key)
1146    ZEND_ARG_INFO(0, raw_output)
1147ZEND_END_ARG_INFO()
1148
1149ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_hmac_file, 0, 0, 3)
1150    ZEND_ARG_INFO(0, algo)
1151    ZEND_ARG_INFO(0, filename)
1152    ZEND_ARG_INFO(0, key)
1153    ZEND_ARG_INFO(0, raw_output)
1154ZEND_END_ARG_INFO()
1155
1156ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_init, 0, 0, 1)
1157    ZEND_ARG_INFO(0, algo)
1158    ZEND_ARG_INFO(0, options)
1159    ZEND_ARG_INFO(0, key)
1160ZEND_END_ARG_INFO()
1161
1162ZEND_BEGIN_ARG_INFO(arginfo_hash_update, 0)
1163    ZEND_ARG_INFO(0, context)
1164    ZEND_ARG_INFO(0, data)
1165ZEND_END_ARG_INFO()
1166
1167ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_update_stream, 0, 0, 2)
1168    ZEND_ARG_INFO(0, context)
1169    ZEND_ARG_INFO(0, handle)
1170    ZEND_ARG_INFO(0, length)
1171ZEND_END_ARG_INFO()
1172
1173ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_update_file, 0, 0, 2)
1174    ZEND_ARG_INFO(0, context)
1175    ZEND_ARG_INFO(0, filename)
1176    ZEND_ARG_INFO(0, context)
1177ZEND_END_ARG_INFO()
1178
1179ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_final, 0, 0, 1)
1180    ZEND_ARG_INFO(0, context)
1181    ZEND_ARG_INFO(0, raw_output)
1182ZEND_END_ARG_INFO()
1183
1184ZEND_BEGIN_ARG_INFO(arginfo_hash_copy, 0)
1185    ZEND_ARG_INFO(0, context)
1186ZEND_END_ARG_INFO()
1187
1188ZEND_BEGIN_ARG_INFO(arginfo_hash_algos, 0)
1189ZEND_END_ARG_INFO()
1190
1191ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_pbkdf2, 0, 0, 4)
1192    ZEND_ARG_INFO(0, algo)
1193    ZEND_ARG_INFO(0, password)
1194    ZEND_ARG_INFO(0, salt)
1195    ZEND_ARG_INFO(0, iterations)
1196    ZEND_ARG_INFO(0, length)
1197    ZEND_ARG_INFO(0, raw_output)
1198ZEND_END_ARG_INFO()
1199
1200ZEND_BEGIN_ARG_INFO(arginfo_hash_equals, 0)
1201    ZEND_ARG_INFO(0, known_string)
1202    ZEND_ARG_INFO(0, user_string)
1203ZEND_END_ARG_INFO()
1204
1205/* BC Land */
1206#ifdef PHP_MHASH_BC
1207ZEND_BEGIN_ARG_INFO(arginfo_mhash_get_block_size, 0)
1208    ZEND_ARG_INFO(0, hash)
1209ZEND_END_ARG_INFO()
1210
1211ZEND_BEGIN_ARG_INFO(arginfo_mhash_get_hash_name, 0)
1212    ZEND_ARG_INFO(0, hash)
1213ZEND_END_ARG_INFO()
1214
1215ZEND_BEGIN_ARG_INFO(arginfo_mhash_keygen_s2k, 0)
1216    ZEND_ARG_INFO(0, hash)
1217    ZEND_ARG_INFO(0, input_password)
1218    ZEND_ARG_INFO(0, salt)
1219    ZEND_ARG_INFO(0, bytes)
1220ZEND_END_ARG_INFO()
1221
1222ZEND_BEGIN_ARG_INFO(arginfo_mhash_count, 0)
1223ZEND_END_ARG_INFO()
1224
1225ZEND_BEGIN_ARG_INFO_EX(arginfo_mhash, 0, 0, 2)
1226    ZEND_ARG_INFO(0, hash)
1227    ZEND_ARG_INFO(0, data)
1228    ZEND_ARG_INFO(0, key)
1229ZEND_END_ARG_INFO()
1230#endif
1231
1232/* }}} */
1233
1234/* {{{ hash_functions[]
1235 */
1236const zend_function_entry hash_functions[] = {
1237    PHP_FE(hash,                                    arginfo_hash)
1238    PHP_FE(hash_file,                               arginfo_hash_file)
1239
1240    PHP_FE(hash_hmac,                               arginfo_hash_hmac)
1241    PHP_FE(hash_hmac_file,                          arginfo_hash_hmac_file)
1242
1243    PHP_FE(hash_init,                               arginfo_hash_init)
1244    PHP_FE(hash_update,                             arginfo_hash_update)
1245    PHP_FE(hash_update_stream,                      arginfo_hash_update_stream)
1246    PHP_FE(hash_update_file,                        arginfo_hash_update_file)
1247    PHP_FE(hash_final,                              arginfo_hash_final)
1248    PHP_FE(hash_copy,                               arginfo_hash_copy)
1249
1250    PHP_FE(hash_algos,                              arginfo_hash_algos)
1251    PHP_FE(hash_pbkdf2,                             arginfo_hash_pbkdf2)
1252    PHP_FE(hash_equals,                             arginfo_hash_equals)
1253
1254    /* BC Land */
1255#ifdef PHP_HASH_MD5_NOT_IN_CORE
1256    PHP_NAMED_FE(md5, php_if_md5,                   arginfo_hash_md5)
1257    PHP_NAMED_FE(md5_file, php_if_md5_file,         arginfo_hash_md5_file)
1258#endif /* PHP_HASH_MD5_NOT_IN_CORE */
1259
1260#ifdef PHP_HASH_SHA1_NOT_IN_CORE
1261    PHP_NAMED_FE(sha1, php_if_sha1,                 arginfo_hash_sha1)
1262    PHP_NAMED_FE(sha1_file, php_if_sha1_file,       arginfo_hash_sha1_file)
1263#endif /* PHP_HASH_SHA1_NOT_IN_CORE */
1264
1265#ifdef PHP_MHASH_BC
1266    PHP_FE(mhash_keygen_s2k, arginfo_mhash_keygen_s2k)
1267    PHP_FE(mhash_get_block_size, arginfo_mhash_get_block_size)
1268    PHP_FE(mhash_get_hash_name, arginfo_mhash_get_hash_name)
1269    PHP_FE(mhash_count, arginfo_mhash_count)
1270    PHP_FE(mhash, arginfo_mhash)
1271#endif
1272
1273    PHP_FE_END
1274};
1275/* }}} */
1276
1277/* {{{ hash_module_entry
1278 */
1279zend_module_entry hash_module_entry = {
1280#if ZEND_MODULE_API_NO >= 20010901
1281    STANDARD_MODULE_HEADER,
1282#endif
1283    PHP_HASH_EXTNAME,
1284    hash_functions,
1285    PHP_MINIT(hash),
1286    PHP_MSHUTDOWN(hash),
1287    NULL, /* RINIT */
1288    NULL, /* RSHUTDOWN */
1289    PHP_MINFO(hash),
1290#if ZEND_MODULE_API_NO >= 20010901
1291    PHP_HASH_EXTVER, /* Replace with version number for your extension */
1292#endif
1293    STANDARD_MODULE_PROPERTIES
1294};
1295/* }}} */
1296
1297#ifdef COMPILE_DL_HASH
1298ZEND_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
1310