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/* $%BEGINLICENSE%$
Copyright (C) 2008 MySQL AB, 2008 Sun Microsystems, Inc
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
$%ENDLICENSE%$ */
/**
* expose the chassis functions into the lua space
*/
#include <lua.h>
#include <lauxlib.h>
#include <lualib.h>
#include "network-mysqld-proto.h"
#include "network-mysqld-packet.h"
#include "glib-ext.h"
#include "lua-env.h"
#define C(x) x, sizeof(x) - 1
#define S(x) x->str, x->len
static int lua_password_hash(lua_State *L) {
size_t password_len;
const char *password = luaL_checklstring(L, 1, &password_len);
GString *response;
response = g_string_new(NULL);
network_mysqld_proto_password_hash(response, password, password_len);
lua_pushlstring(L, S(response));
g_string_free(response, TRUE);
return 1;
}
static int lua_password_scramble(lua_State *L) {
size_t challenge_len;
const char *challenge = luaL_checklstring(L, 1, &challenge_len);
size_t hashed_password_len;
const char *hashed_password = luaL_checklstring(L, 2, &hashed_password_len);
GString *response;
response = g_string_new(NULL);
network_mysqld_proto_password_scramble(response,
challenge, challenge_len,
hashed_password, hashed_password_len);
lua_pushlstring(L, S(response));
g_string_free(response, TRUE);
return 1;
}
static int lua_password_unscramble(lua_State *L) {
size_t challenge_len;
const char *challenge = luaL_checklstring(L, 1, &challenge_len);
size_t response_len;
const char *response = luaL_checklstring(L, 2, &response_len);
size_t dbl_hashed_password_len;
const char *dbl_hashed_password = luaL_checklstring(L, 3, &dbl_hashed_password_len);
GString *hashed_password = g_string_new(NULL);
network_mysqld_proto_password_unscramble(
hashed_password,
challenge, challenge_len,
response, response_len,
dbl_hashed_password, dbl_hashed_password_len);
lua_pushlstring(L, S(hashed_password));
g_string_free(hashed_password, TRUE);
return 1;
}
static int lua_password_check(lua_State *L) {
size_t challenge_len;
const char *challenge = luaL_checklstring(L, 1, &challenge_len);
size_t response_len;
const char *response = luaL_checklstring(L, 2, &response_len);
size_t dbl_hashed_password_len;
const char *dbl_hashed_password = luaL_checklstring(L, 3, &dbl_hashed_password_len);
lua_pushboolean(L, network_mysqld_proto_password_check(
challenge, challenge_len,
response, response_len,
dbl_hashed_password, dbl_hashed_password_len));
return 1;
}
/*
** Assumes the table is on top of the stack.
*/
static void set_info (lua_State *L) {
lua_pushliteral (L, "_COPYRIGHT");
lua_pushliteral (L, "Copyright (C) 2008 MySQL AB, 2008 Sun Microsystems, Inc");
lua_settable (L, -3);
lua_pushliteral (L, "_DESCRIPTION");
lua_pushliteral (L, "export mysql password encoders to mysql.*");
lua_settable (L, -3);
lua_pushliteral (L, "_VERSION");
lua_pushliteral (L, "LuaMySQLPassword 0.1");
lua_settable (L, -3);
}
static const struct luaL_reg mysql_passwordlib[] = {
{"hash", lua_password_hash},
{"scramble", lua_password_scramble},
{"unscramble", lua_password_unscramble},
{"check", lua_password_check},
{NULL, NULL},
};
#if defined(_WIN32)
# define LUAEXT_API __declspec(dllexport)
#else
# define LUAEXT_API extern
#endif
LUAEXT_API int luaopen_mysql_password (lua_State *L) {
luaL_register (L, "password", mysql_passwordlib);
set_info (L);
return 1;
}
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