1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
/*****************************************************************************
* md5.c: md5 hashing functions
*****************************************************************************
* Copyright (C) 2010 Antoine Cellerier
* $Id: 1531a20e8e6cbf49e7d1b926c8377fa3912d7205 $
*
* Authors: Antoine Cellerier <dionoea at videolan tod org>
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_common.h>
#include <vlc_md5.h>
#include <lua.h> /* Low level lua C API */
#include <lauxlib.h> /* Higher level C API */
#include "../vlc.h"
#include "../libs.h"
/*****************************************************************************
*
*****************************************************************************/
static int vlclua_md5_create( lua_State * );
static int vlclua_md5_add( lua_State * );
static int vlclua_md5_end( lua_State * );
static int vlclua_md5_hash( lua_State * );
static const luaL_Reg vlclua_md5_reg[] = {
{ "add", vlclua_md5_add },
{ "end", vlclua_md5_end },
{ "end_", vlclua_md5_end },
{ "hash", vlclua_md5_hash },
{ NULL, NULL }
};
static int vlclua_md5_create( lua_State *L )
{
if( lua_gettop( L ) )
{
/* If optional first argument is given, and it's a string, just
* return the string's hash */
const char *psz_str = luaL_checkstring( L, 1 );
struct md5_s md5;
InitMD5( &md5 );
AddMD5( &md5, psz_str, strlen( psz_str ) );
EndMD5( &md5 );
char *psz_hash = psz_md5_hash( &md5 );
lua_pushstring( L, psz_hash );
free( psz_hash );
return 1;
}
struct md5_s *p_md5 = lua_newuserdata( L, sizeof( struct md5_s ) );
InitMD5( p_md5 );
if( luaL_newmetatable( L, "md5" ) )
{
lua_newtable( L );
luaL_register( L, NULL, vlclua_md5_reg );
lua_setfield( L, -2, "__index" );
}
lua_setmetatable( L, -2 );
return 1;
}
static int vlclua_md5_add( lua_State *L )
{
struct md5_s *p_md5 = (struct md5_s *)luaL_checkudata( L, 1, "md5" );
if( !lua_isstring( L, 2 ) )
luaL_error( L, "2nd argument should be a string" );
size_t i_len = 0;
const char *psz_str = lua_tolstring( L, 2, &i_len );
if( !psz_str )
vlclua_error( L );
AddMD5( p_md5, psz_str, i_len );
return 0;
}
static int vlclua_md5_end( lua_State *L )
{
struct md5_s *p_md5 = (struct md5_s *)luaL_checkudata( L, 1, "md5" );
EndMD5( p_md5 );
return 0;
}
static int vlclua_md5_hash( lua_State *L )
{
struct md5_s *p_md5 = (struct md5_s *)luaL_checkudata( L, 1, "md5" );
char *psz_hash = psz_md5_hash( p_md5 );
lua_pushstring( L, psz_hash );
free( psz_hash );
return 1;
}
void luaopen_md5( lua_State *L )
{
lua_pushcfunction( L, vlclua_md5_create );
lua_setfield( L, -2, "md5" );
}
|
