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[proxmark3-svn] / client / cmdlfhid.c
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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>
12#include "proxusb.h"
13#include "ui.h"
14#include "graph.h"
15#include "cmdparser.h"
16#include "cmdlfhid.h"
17
18static int CmdHelp(const char *Cmd);
19
20int CmdHIDDemod(const char *Cmd)
21{
22 if (GraphTraceLen < 4800) {
23 PrintAndLog("too short; need at least 4800 samples");
24 return 0;
25 }
26
27 GraphTraceLen = 4800;
28 for (int i = 0; i < GraphTraceLen; ++i) {
29 if (GraphBuffer[i] < 0) {
30 GraphBuffer[i] = 0;
31 } else {
32 GraphBuffer[i] = 1;
33 }
34 }
35 RepaintGraphWindow();
36 return 0;
37}
38
39int CmdHIDDemodFSK(const char *Cmd)
40{
41 UsbCommand c={CMD_HID_DEMOD_FSK};
42 SendCommand(&c);
43 return 0;
44}
45
46int CmdHIDSim(const char *Cmd)
47{
48 unsigned int hi = 0, lo = 0;
035303ac 49 int n = 0, i = 0;
7fe9b0b7 50
51 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
52 hi = (hi << 4) | (lo >> 28);
53 lo = (lo << 4) | (n & 0xf);
54 }
55
56 PrintAndLog("Emulating tag with ID %x%16x", hi, lo);
57
58 UsbCommand c = {CMD_HID_SIM_TAG, {hi, lo, 0}};
59 SendCommand(&c);
60 return 0;
61}
62
ec09b62d 63int CmdHIDClone(const char *Cmd)
64{
65 unsigned int hi = 0, lo = 0;
66 int n = 0, i = 0;
67
68 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
69 hi = (hi << 4) | (lo >> 28);
70 lo = (lo << 4) | (n & 0xf);
71 }
72
73 PrintAndLog("Cloning tag with ID %x%08x", hi, lo);
74
75 UsbCommand c = {CMD_HID_CLONE_TAG, {hi, lo}};
76 SendCommand(&c);
77 return 0;
78}
79
7fe9b0b7 80static command_t CommandTable[] =
81{
82 {"help", CmdHelp, 1, "This help"},
83 {"demod", CmdHIDDemod, 1, "Demodulate HID Prox Card II (not optimal)"},
84 {"fskdemod", CmdHIDDemodFSK, 0, "Realtime HID FSK demodulator"},
85 {"sim", CmdHIDSim, 0, "<ID> -- HID tag simulator"},
ec09b62d 86 {"clone", CmdHIDClone, 0, "<ID> -- Clone HID to T55x7 (tag must be in antenna)"},
7fe9b0b7 87 {NULL, NULL, 0, NULL}
88};
89
90int CmdLFHID(const char *Cmd)
91{
92 CmdsParse(CommandTable, Cmd);
93 return 0;
94}
95
96int CmdHelp(const char *Cmd)
97{
98 CmdsHelp(CommandTable);
99 return 0;
100}
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