]> granicus.if.org Git - php/commitdiff
Refactor salt generation, rename password_create to password_hash
authorAnthony Ferrara <ircmaxell@ircmaxell.com>
Tue, 26 Jun 2012 01:22:16 +0000 (21:22 -0400)
committerAnthony Ferrara <ircmaxell@ircmaxell.com>
Tue, 26 Jun 2012 01:22:16 +0000 (21:22 -0400)
ext/standard/basic_functions.c
ext/standard/password.c
ext/standard/php_password.h

index 64025db6257291603f7b1031cad6878e52229a33..9e35a5e020b924a6250282baddab7e0edbe55ebe 100644 (file)
@@ -1867,7 +1867,7 @@ ZEND_BEGIN_ARG_INFO(arginfo_getlastmod, 0)
 ZEND_END_ARG_INFO()
 /* }}} */
 /* {{{ password.c */
-ZEND_BEGIN_ARG_INFO_EX(arginfo_password_create, 0, 0, 1)
+ZEND_BEGIN_ARG_INFO_EX(arginfo_password_hash, 0, 0, 1)
        ZEND_ARG_INFO(0, password)
        ZEND_ARG_INFO(0, algo)
        ZEND_ARG_INFO(0, options)
@@ -2895,7 +2895,7 @@ const zend_function_entry basic_functions[] = { /* {{{ */
        PHP_FE(base64_decode,                                                                                                   arginfo_base64_decode)
        PHP_FE(base64_encode,                                                                                                   arginfo_base64_encode)
 
-       PHP_FE(password_create,                                                                                                 arginfo_password_create)
+       PHP_FE(password_hash,                                                                                                   arginfo_password_hash)
        PHP_FE(password_verify,                                                                                                 arginfo_password_verify)
        PHP_FE(password_make_salt,                                                                                              arginfo_password_make_salt)
 
index f2c94fb473b5c7f887b7be0eefb4198ed5291213..f049fbcbf1e8c5a086ea219538347f66f627946f 100644 (file)
 #include <stdlib.h>
 
 #include "php.h"
-#include "ext/hash/php_hash.h"
+
+#include "fcntl.h"
 #include "php_password.h"
 #include "php_rand.h"
 #include "base64.h"
 #include "zend_interfaces.h"
+#include "info.h"
+
+#if PHP_WIN32
+#include "win32/winutil.h"
+#endif
+
+
 
 PHP_MINIT_FUNCTION(password) /* {{{ */
 {
        REGISTER_STRING_CONSTANT("PASSWORD_DEFAULT", PHP_PASSWORD_DEFAULT, CONST_CS | CONST_PERSISTENT);
        REGISTER_STRING_CONSTANT("PASSWORD_BCRYPT", PHP_PASSWORD_BCRYPT, CONST_CS | CONST_PERSISTENT);
-       REGISTER_STRING_CONSTANT("PASSWORD_MD5", PHP_PASSWORD_MD5, CONST_CS | CONST_PERSISTENT);
-       REGISTER_STRING_CONSTANT("PASSWORD_SHA256", PHP_PASSWORD_SHA256, CONST_CS | CONST_PERSISTENT);
-       REGISTER_STRING_CONSTANT("PASSWORD_SHA512", PHP_PASSWORD_SHA512, CONST_CS | CONST_PERSISTENT);
        return SUCCESS;
 }
 /* }}} */
@@ -76,7 +81,6 @@ static int php_password_make_salt(int length, int raw, char *ret TSRMLS_DC)
 {
        int i, raw_length, buffer_valid = 0;
        char *buffer;
-       zend_function *func_ptr;
 
        if (raw) {
                raw_length = length;
@@ -84,42 +88,37 @@ static int php_password_make_salt(int length, int raw, char *ret TSRMLS_DC)
                raw_length = length * 3 / 4 + 1;
        }
        buffer = (char *) emalloc(raw_length + 1);
-       
-       /* Temp Placeholder */
-       if (PHP_PASSWORD_FUNCTION_EXISTS("mcrypt_create_iv", 16)) {
-               zval *ret, *size, *source;
-               ALLOC_INIT_ZVAL(size);
-               ZVAL_LONG(size, raw_length);
-               ALLOC_INIT_ZVAL(source)
-               ZVAL_LONG(source, 1); // MCRYPT_DEV_URANDOM
-               zend_call_method_with_2_params(NULL, NULL, NULL, "mcrypt_create_iv", &ret, size, source);
-               zval_ptr_dtor(&size);
-               zval_ptr_dtor(&source);
-               if (Z_TYPE_P(ret) == IS_STRING) {
-                       memcpy(buffer, Z_STRVAL_P(ret), raw_length);
+
+#if PHP_WIN32
+       {
+               BYTE *iv_b = (BYTE *) buffer;
+               if (php_win32_get_random_bytes(iv_b, (size_t) raw_length) == SUCCESS) {
                        buffer_valid = 1;
                }
-               zval_ptr_dtor(&ret);
        }
-       if (!buffer_valid && PHP_PASSWORD_FUNCTION_EXISTS("openssl_random_pseudo_bytes", 27)) {
-               zval *ret, *size;
-               ALLOC_INIT_ZVAL(size);
-               ZVAL_LONG(size, raw_length);
-               zend_call_method_with_1_params(NULL, NULL, NULL, "openssl_random_pseudo_bytes", &ret, size);
-               zval_ptr_dtor(&size);
-               if (Z_TYPE_P(ret) == IS_STRING) {
-                       memcpy(buffer, Z_STRVAL_P(ret), raw_length);
+#else
+       {
+               int fd, n;
+               size_t read_bytes = 0;
+               fd = open("/dev/urandom", O_RDONLY);
+               if (fd >= 0) {
+                       while (read_bytes < raw_length) {
+                               n = read(fd, buffer + read_bytes, raw_length - read_bytes);
+                               if (n < 0) {
+                                       break;
+                               }
+                               read_bytes += n;
+                       }
+                       close(fd);
+               }
+               if (read_bytes == raw_length) {
                        buffer_valid = 1;
                }
-               zval_ptr_dtor(&ret);
        }
-
+#endif
        if (!buffer_valid) {
-               long number;
                for (i = 0; i < raw_length; i++) {
-                       number = php_rand(TSRMLS_C);
-                       RAND_RANGE(number, 0, 255, PHP_RAND_MAX);
-                       buffer[i] = (char) number;
+                       buffer[i] ^= (char) (255.0 * php_rand(TSRMLS_C) / RAND_MAX);
                }
        }
        /* /Temp Placeholder */
@@ -202,9 +201,9 @@ PHP_FUNCTION(password_make_salt)
 }
 
 
-/* {{{ proto string password(string password, string algo = PASSWORD_DEFAULT, array options = array())
+/* {{{ proto string password_hash(string password, string algo = PASSWORD_DEFAULT, array options = array())
 Hash a password */
-PHP_FUNCTION(password_create)
+PHP_FUNCTION(password_hash)
 {
         char *algo = 0, *hash_format, *hash, *salt;
         int algo_len = 0, salt_len = 0, required_salt_len = 0, hash_format_len;
@@ -213,7 +212,7 @@ PHP_FUNCTION(password_create)
        zend_function *func_ptr;
 
        if (!PHP_PASSWORD_FUNCTION_EXISTS("crypt", 5)) {
-               php_error_docref(NULL TSRMLS_CC, E_WARNING, "Crypt must be loaded for password_verify to function");
+               php_error_docref(NULL TSRMLS_CC, E_WARNING, "Crypt must be loaded for password_hash to function");
                RETURN_FALSE;
        }
 
@@ -246,26 +245,6 @@ PHP_FUNCTION(password_create)
                hash_format = emalloc(8);
                sprintf(hash_format, "$2y$%02d$", cost);
                hash_format_len = 7;
-        } else if (strcmp(algo, PHP_PASSWORD_MD5) == 0) {
-                required_salt_len = 12;
-               hash_format = emalloc(4);
-               memcpy(hash_format, "$1$", 3);
-               hash_format_len = 3;
-        } else if (strcmp(algo, PHP_PASSWORD_SHA256) == 0 || strcmp(algo, PHP_PASSWORD_SHA512) == 0) {
-                int rounds = PHP_PASSWORD_SHA_DEFAULT_ROUNDS;
-                if (options && zend_symtable_find(options, "rounds", 7, (void **) &option_buffer) == SUCCESS) {
-                        convert_to_long_ex(option_buffer);
-                        rounds = Z_LVAL_PP(option_buffer);
-                        zval_ptr_dtor(option_buffer);
-                        if (rounds < 1000 || rounds > 999999999) {
-                                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid SHA rounds parameter specified: %d", rounds);
-                                RETURN_FALSE;
-                        }
-                }
-                required_salt_len = 16;
-               hash_format = emalloc(21);
-               sprintf(hash_format, "$%s$rounds=%d$", algo, rounds);
-               hash_format_len = strlen(hash_format);
         } else {
                 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown password hashing algorithm: %s", algo);
                 RETURN_FALSE;
index 5967840d51dae363b6138cfae9779822439c4b32..830d31ce64b2fe3103da291c800023f790fdf5c8 100644 (file)
@@ -21,7 +21,7 @@
 #ifndef PHP_PASSWORD_H
 #define PHP_PASSWORD_H
 
-PHP_FUNCTION(password_create);
+PHP_FUNCTION(password_hash);
 PHP_FUNCTION(password_verify);
 PHP_FUNCTION(password_make_salt);
 
@@ -29,12 +29,8 @@ PHP_MINIT_FUNCTION(password);
 
 #define PHP_PASSWORD_DEFAULT   "2y"
 #define PHP_PASSWORD_BCRYPT    "2y"
-#define PHP_PASSWORD_MD5       "1"
-#define PHP_PASSWORD_SHA256    "5"
-#define PHP_PASSWORD_SHA512    "6"
 
 #define PHP_PASSWORD_BCRYPT_DEFAULT_COST 12;
-#define PHP_PASSWORD_SHA_DEFAULT_ROUNDS 5000;
 
 
 #endif