#include "fcntl.h"
#include "php_mhash.h"
-#include "mhash.h"
#include "php_ini.h"
#include "php_globals.h"
#include "ext/standard/info.h"
zend_function_entry mhash_functions[] = {
+ PHP_FE(mhash_count, NULL)
PHP_FE(mhash_get_block_size, NULL)
PHP_FE(mhash_get_hash_name, NULL)
- PHP_FE(mhash_keygen_s2k, NULL)
- PHP_FE(mhash_count, NULL)
+ PHP_FE(mhash_keygen_count, NULL)
+ PHP_FE(mhash_get_keygen_name, NULL)
+ PHP_FE(mhash_keygen_uses_hash, NULL)
+ PHP_FE(mhash_keygen_uses_salt, NULL)
+ PHP_FE(mhash_get_keygen_salt_size, NULL)
+ PHP_FE(mhash_keygen_uses_count, NULL)
PHP_FE(mhash, NULL)
+ PHP_FE(mhash_keygen, NULL)
+ PHP_FE(mhash_keygen_s2k, NULL)
{NULL, NULL, NULL}
};
ZEND_GET_MODULE(mhash)
#endif
-/* SALTED S2K uses a fixed salt */
-#define SALT_SIZE 8
+#define NO_ARGS() (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, ""))
+
+extern const unsigned char *mhash_get_hash_name_static(hashid hash);
+extern const unsigned char *mhash_get_keygen_name_static(keygenid keygen);
+
+/* {{{ int php_mhash */
+int php_mhash(hashid hash, const char *input_str, int input_len, const char *key_str, int key_len, char **enc, int *len TSRMLS_DC)
+{
+ size_t pbsize;
+ char *result;
+ MHASH mh;
+
+ if (key_len) {
+ if (!(pbsize = mhash_get_hash_pblock(hash))) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "HMAC incompatible hash algorithm");
+ return FAILURE;
+ }
+ mh = mhash_hmac_init(hash, (char *) key_str, key_len, pbsize);
+ } else {
+ mh = mhash_init(hash);
+ }
+
+ if (mh == MHASH_FAILED) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "mhash initialization failed");
+ return FAILURE;
+ }
+
+ mhash(mh, input_str, input_len);
+
+ if (key_len) {
+ result = mhash_hmac_end(mh);
+ } else {
+ result = mhash_end(mh);
+ }
+
+ if (!result) {
+ return FAILURE;
+ }
+
+ *len = mhash_get_block_size(hash);
+ *enc = estrndup(result, *len);
+
+ mhash_free(result);
+
+ return SUCCESS;
+}
+/* }}} */
+
+/* {{{ int php_mhash_keygen */
+int php_mhash_keygen(keygenid type, hashid hash1, hashid hash2, const char *pass_str, int pass_len, const char *salt_str, size_t salt_len, char **key, int *len, int max_len, int max_count TSRMLS_DC)
+{
+ KEYGEN keygen;
+
+ if (type < 0 || type > mhash_keygen_count()) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "unknown keygen type %d", type);
+ return FAILURE;
+ }
+
+ memset(&keygen, 0, sizeof(keygen));
+
+ if (mhash_keygen_uses_hash_algorithm(type)) {
+ if (hash1 == -1) {
+ hash1 = hash2;
+ }
+ if (hash2 == -1) {
+ hash2 = hash1;
+ }
+ keygen.hash_algorithm[0] = hash1;
+ keygen.hash_algorithm[1] = hash2;
+ }
+
+ if (mhash_keygen_uses_salt(type)) {
+ if (salt_len <= 0) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s requires a salt", mhash_get_keygen_name_static(type));
+ return FAILURE;
+ }
+ keygen.salt = (void *) salt_str;
+ keygen.salt_size = salt_len;
+ }
+
+ keygen.count = max_count;
+
+ if (max_len > 0) {
+ *len = max_len;
+ } else {
+ *len = 128;
+ }
+
+ *key = emalloc(*len + 1);
+
+ if (mhash_keygen_ext(type, keygen, *key, *len, (void *) pass_str, pass_len) < 0) {
+ efree(*key);
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "key generation failed");
+ return FAILURE;
+ }
+
+ (*key)[*len] = '\0';
+ return SUCCESS;
+}
+/* }}} */
+/* {{{ PHP_MINIT */
PHP_MINIT_FUNCTION(mhash)
{
int i, n, l;
- char *name;
+ const char *name;
char buf[128];
- n = mhash_count() + 1;
-
- for (i=0; i<n; i++) {
- if ((name = mhash_get_hash_name(i))) {
- l = snprintf(buf, 127, "MHASH_%s", name);
+ for (i = 0, n = mhash_count() + 1; i < n; ++i) {
+ if ((name = (const char *) mhash_get_hash_name_static(i))) {
+ l = snprintf(buf, sizeof(buf), "MHASH_%s", name);
+ zend_register_long_constant(buf, l + 1, i, CONST_PERSISTENT, module_number TSRMLS_CC);
+ }
+ }
+ for (i = 0, n = mhash_keygen_count() + 1; i < n; ++i) {
+ if ((name = (const char *) mhash_get_keygen_name_static(i))) {
+ l = snprintf(buf, sizeof(buf), "MHASH_KEYGEN_%s", name);
zend_register_long_constant(buf, l + 1, i, CONST_PERSISTENT, module_number TSRMLS_CC);
- free(name);
}
}
return SUCCESS;
}
+/* }}} */
+/* {{{ PHP_MINFO */
PHP_MINFO_FUNCTION(mhash)
{
char version[32];
- sprintf(version,"%d", MHASH_API_VERSION);
+ snprintf(version, sizeof(version), "%d", MHASH_API_VERSION);
php_info_print_table_start();
php_info_print_table_row(2, "MHASH support", "Enabled");
php_info_print_table_row(2, "MHASH API Version", version);
php_info_print_table_end();
}
+/* }}} */
-/* {{{ proto int mhash_count(void)
+/* {{{ proto int mhash_count(void) U
Gets the number of available hashes */
PHP_FUNCTION(mhash_count)
{
- if (ZEND_NUM_ARGS() != 0) {
- WRONG_PARAM_COUNT;
+ if (!NO_ARGS()) {
+ return;
}
RETURN_LONG(mhash_count());
/* }}} */
-/* {{{ proto int mhash_get_block_size(int hash)
+/* {{{ proto int mhash_get_block_size(int hash) U
Gets the block size of hash */
PHP_FUNCTION(mhash_get_block_size)
{
long hash;
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &hash) == FAILURE) {
+ if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &hash)) {
return;
}
/* }}} */
-/* {{{ proto string mhash_get_hash_name(int hash)
+/* {{{ proto string mhash_get_hash_name(int hash) U
Gets the name of hash */
PHP_FUNCTION(mhash_get_hash_name)
{
- char *name;
+ const char *name;
long hash;
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &hash) == FAILURE) {
+ if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &hash)) {
return;
}
- name = mhash_get_hash_name(hash);
- if (name) {
- RETVAL_STRING(name, 1);
- free(name);
+ if ((name = (const char *) mhash_get_hash_name_static(hash))) {
+ RETVAL_ASCII_STRING((char *) name, 1);
} else {
RETVAL_FALSE;
}
}
+/* }}} */
+/* {{{ int mhash_keygen_count() U
+ Get the number of available keygen algorithms */
+PHP_FUNCTION(mhash_keygen_count)
+{
+ if (!NO_ARGS()) {
+ return;
+ }
+
+ RETURN_LONG(mhash_keygen_count());
+}
/* }}} */
-/* {{{ proto string mhash(int hash, string data [, string key])
- Hash data with hash */
-PHP_FUNCTION(mhash)
+/* {{{ string mhash_get_keygen_name(int keygen)
+ Get the name of the keygen algorithm */
+PHP_FUNCTION(mhash_get_keygen_name)
{
- MHASH td;
- int bsize;
- unsigned char *hash_data;
- long hash;
- int data_len, key_len=0;
- char *data, *key=NULL;
+ const char *name;
+ long keygen;
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ls|s", &hash, &data, &data_len, &key, &key_len) == FAILURE) {
+ if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &keygen)) {
return;
}
- bsize = mhash_get_block_size(hash);
-
- if (key_len) {
- if (mhash_get_hash_pblock(hash) == 0) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "mhash initialization failed");
- RETURN_FALSE;
- }
- td = mhash_hmac_init(hash, key, key_len, mhash_get_hash_pblock(hash));
+ if ((name = (const char *) mhash_get_keygen_name_static(keygen))) {
+ RETVAL_ASCII_STRING((char *) name, 1);
} else {
- td = mhash_init(hash);
+ RETVAL_FALSE;
}
+}
+/* }}} */
- if (td == MHASH_FAILED) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "mhash initialization failed");
- RETURN_FALSE;
+/* {{{ proto bool mhash_keygen_uses_hash(int keygen) U
+ Whether the keygen algorithm uses a hash algorithm */
+PHP_FUNCTION(mhash_keygen_uses_hash)
+{
+ long keygen;
+
+ if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &keygen)) {
+ return;
}
+
+ RETURN_BOOL(mhash_keygen_uses_hash_algorithm(keygen));
+}
+/* }}} */
- mhash(td, data, data_len);
-
- if (key_len) {
- hash_data = (unsigned char *) mhash_hmac_end(td);
- } else {
- hash_data = (unsigned char *) mhash_end(td);
+/* {{{ proto bool mhash_keygen_uses_count
+ Whether the keygen algorithm uses the bytes_count parameter */
+PHP_FUNCTION(mhash_keygen_uses_count)
+{
+ long keygen;
+
+ if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &keygen)) {
+ return;
}
- if (hash_data) {
- RETVAL_STRINGL(hash_data, bsize, 1);
- mhash_free(hash_data);
- } else {
- RETURN_FALSE;
+ RETURN_BOOL(mhash_keygen_uses_count(keygen));
+}
+/* }}} */
+
+/* {{{ proto bool mhash_keygen uses_salt(int keygen) U
+ Whether the keygen algorithm requires a salt */
+PHP_FUNCTION(mhash_keygen_uses_salt)
+{
+ long keygen;
+
+ if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &keygen)) {
+ return;
}
+
+ RETURN_BOOL(mhash_keygen_uses_salt(keygen));
}
+/* }}} */
+/* {{{ proto bool mhash_get_keygen_salt_size(int keygen) U
+ Get the required size of the salt for the keygen algorithm */
+PHP_FUNCTION(mhash_get_keygen_salt_size)
+{
+ long keygen;
+
+ if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &keygen)) {
+ return;
+ }
+
+ RETURN_LONG(mhash_get_keygen_salt_size(keygen));
+}
/* }}} */
-/* {{{ proto string mhash_keygen_s2k(int hash, string input_password, string salt, int bytes)
- Generates a key using hash functions */
-PHP_FUNCTION(mhash_keygen_s2k)
+/* {{{ proto binary mhash(int hash, binary data [, binary key]) U
+ Hash data with hash */
+PHP_FUNCTION(mhash)
{
- KEYGEN keystruct;
- char salt[SALT_SIZE], *ret;
- long hash, bytes;
- char *password, *in_salt;
- int password_len, salt_len;
+ long hash;
+ char *result, *data, *key = NULL;
+ int result_len, data_len, key_len = 0;
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lssl", &hash, &password, &password_len, &in_salt, &salt_len, &bytes) == FAILURE) {
+ if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lS|S", &hash, &data, &data_len, &key, &key_len)) {
return;
}
- if (bytes <= 0){
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "the byte parameter must be greater than 0");
+ if (SUCCESS != php_mhash(hash, data, data_len, key, key_len, &result, &result_len TSRMLS_CC)) {
RETURN_FALSE;
}
-
- salt_len = MIN(salt_len, SALT_SIZE);
+ RETURN_STRINGL(result, result_len, 0);
+}
- if (salt_len > mhash_get_keygen_salt_size(KEYGEN_S2K_SALTED)) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING,
- "The specified salt [%d] is more bytes than the required by the algorithm [%d]\n",
- salt_len, mhash_get_keygen_salt_size(KEYGEN_S2K_SALTED));
- }
+/* }}} */
- memcpy(salt, in_salt, salt_len);
- if (salt_len < SALT_SIZE) {
- memset(salt + salt_len, 0, SALT_SIZE - salt_len);
- }
- salt_len = SALT_SIZE;
+/* {{{ proto binary mhash_keygen(int type, int hash1, int hash2, binary password[, binary salt[, int max_key_size = 128[, int bytes_count = 0]]) U
+ Generate a key */
+PHP_FUNCTION(mhash_keygen)
+{
+ long hash1, hash2, type, max_len = 0, bytes_count = 0;
+ char *result_str, *pass_str, *salt_str = NULL;
+ int result_len, pass_len, salt_len = 0;
- keystruct.hash_algorithm[0] = hash;
- keystruct.hash_algorithm[1] = hash;
- keystruct.count = 0;
- keystruct.salt = salt;
- keystruct.salt_size = salt_len;
-
- ret = emalloc(bytes + 1);
+ if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lllS|Sll", &type, &hash1, &hash2, &pass_str, &pass_len, &salt_str, &salt_len, &max_len, &bytes_count)) {
+ return;
+ }
+ if (SUCCESS != php_mhash_keygen(type, hash1, hash2, pass_str, pass_len, salt_str, salt_len, &result_str, &result_len, max_len, bytes_count TSRMLS_CC)) {
+ RETURN_FALSE;
+ }
+ RETURN_STRINGL(result_str, result_len, 0);
+}
+/* }}} */
- if (mhash_keygen_ext(KEYGEN_S2K_SALTED, keystruct, ret, bytes, password, password_len) >= 0) {
- ret[bytes] = '\0';
- RETVAL_STRINGL(ret, bytes, 0);
- } else {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "mhash key generation failed");
- efree(ret);
+/* {{{ proto binary mhash_keygen_s2k(int hash, binary input_password, binary salt, int bytes)
+ Generates a key using hash functions */
+PHP_FUNCTION(mhash_keygen_s2k)
+{
+ long hash, max_len = 0;
+ char *result_str, *pass_str, *salt_str = NULL;
+ int result_len, pass_len, salt_len = 0;
+
+ if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lSSl", &hash, &pass_str, &pass_len, &salt_str, &salt_len, &max_len)) {
+ return;
+ }
+ if (SUCCESS != php_mhash_keygen(KEYGEN_S2K_SALTED, hash, hash, pass_str, pass_len, salt_str, salt_len, &result_str, &result_len, max_len, 0 TSRMLS_CC)) {
RETURN_FALSE;
}
+ RETURN_STRINGL(result_str, result_len, 0);
}
/* }}} */
projects / php / commitdiff