]> git.zerfleddert.de Git - proxmark3-svn/blame - client/cmdlfhid.c
Merge pull request #49 from marshmellow42/master
[proxmark3-svn] / client / cmdlfhid.c
CommitLineData
a553f267 1//-----------------------------------------------------------------------------
2// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
3//
4// This code is licensed to you under the terms of the GNU GPL, version 2 or,
5// at your option, any later version. See the LICENSE.txt file for the text of
6// the license.
7//-----------------------------------------------------------------------------
8// Low frequency HID commands
9//-----------------------------------------------------------------------------
10
7fe9b0b7 11#include <stdio.h>
54a942b0 12#include <string.h>
902cb3c0 13#include "proxmark3.h"
7fe9b0b7 14#include "ui.h"
15#include "graph.h"
16#include "cmdparser.h"
17#include "cmdlfhid.h"
18
19static int CmdHelp(const char *Cmd);
20
21int CmdHIDDemod(const char *Cmd)
22{
23 if (GraphTraceLen < 4800) {
24 PrintAndLog("too short; need at least 4800 samples");
25 return 0;
26 }
27
28 GraphTraceLen = 4800;
29 for (int i = 0; i < GraphTraceLen; ++i) {
30 if (GraphBuffer[i] < 0) {
31 GraphBuffer[i] = 0;
32 } else {
33 GraphBuffer[i] = 1;
34 }
35 }
36 RepaintGraphWindow();
37 return 0;
38}
39
40int CmdHIDDemodFSK(const char *Cmd)
41{
083ca3de 42 int findone=0;
3fe4ff4f 43 if(Cmd[0]=='1') findone=1;
7fe9b0b7 44 UsbCommand c={CMD_HID_DEMOD_FSK};
083ca3de 45 c.arg[0]=findone;
7fe9b0b7 46 SendCommand(&c);
47 return 0;
48}
49
50int CmdHIDSim(const char *Cmd)
38b20f75 51{
52 unsigned int hi = 0, lo = 0;
53 int n = 0, i = 0;
54
55 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
56 hi = (hi << 4) | (lo >> 28);
57 lo = (lo << 4) | (n & 0xf);
58 }
59
60 PrintAndLog("Emulating tag with ID %x%16x", hi, lo);
3fe4ff4f 61 PrintAndLog("Press pm3-button to abort simulation");
38b20f75 62
63 UsbCommand c = {CMD_HID_SIM_TAG, {hi, lo, 0}};
64 SendCommand(&c);
65 return 0;
66}
67
68int CmdHIDClone(const char *Cmd)
7fe9b0b7 69{
54a942b0 70 unsigned int hi2 = 0, hi = 0, lo = 0;
035303ac 71 int n = 0, i = 0;
54a942b0 72 UsbCommand c;
7fe9b0b7 73
54a942b0 74 if (strchr(Cmd,'l') != 0) {
38b20f75 75 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
54a942b0 76 hi2 = (hi2 << 4) | (hi >> 28);
77 hi = (hi << 4) | (lo >> 28);
78 lo = (lo << 4) | (n & 0xf);
79 }
38b20f75 80
54a942b0 81 PrintAndLog("Cloning tag with long ID %x%08x%08x", hi2, hi, lo);
38b20f75 82
54a942b0 83 c.d.asBytes[0] = 1;
38b20f75 84 }
85 else {
86 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
54a942b0 87 hi = (hi << 4) | (lo >> 28);
88 lo = (lo << 4) | (n & 0xf);
89 }
38b20f75 90
54a942b0 91 PrintAndLog("Cloning tag with ID %x%08x", hi, lo);
38b20f75 92
54a942b0 93 hi2 = 0;
94 c.d.asBytes[0] = 0;
7fe9b0b7 95 }
38b20f75 96
97 c.cmd = CMD_HID_CLONE_TAG;
d16d20b1 98 c.arg[0] = hi2;
99 c.arg[1] = hi;
100 c.arg[2] = lo;
ec09b62d 101
ec09b62d 102 SendCommand(&c);
103 return 0;
104}
105
7fe9b0b7 106static command_t CommandTable[] =
107{
108 {"help", CmdHelp, 1, "This help"},
109 {"demod", CmdHIDDemod, 1, "Demodulate HID Prox Card II (not optimal)"},
083ca3de 110 {"fskdemod", CmdHIDDemodFSK, 0, "['1'] Realtime HID FSK demodulator (option '1' for one tag only)"},
111 {"sim", CmdHIDSim, 0, "<ID> -- HID tag simulator"},
112 {"clone", CmdHIDClone, 0, "<ID> ['l'] -- Clone HID to T55x7 (tag must be in antenna)(option 'l' for 84bit ID)"},
7fe9b0b7 113 {NULL, NULL, 0, NULL}
114};
115
116int CmdLFHID(const char *Cmd)
117{
118 CmdsParse(CommandTable, Cmd);
119 return 0;
120}
121
122int CmdHelp(const char *Cmd)
123{
124 CmdsHelp(CommandTable);
125 return 0;
126}
Impressum, Datenschutz