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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
11 #include <stdio.h>
12 //#include "proxusb.h"
13 #include "proxmark3.h"
14 #include "ui.h"
15 #include "graph.h"
16 #include "cmdparser.h"
17 #include "cmdlfhid.h"
18
19 static int CmdHelp(const char *Cmd);
20
21 int 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
40 int CmdHIDDemodFSK(const char *Cmd)
41 {
42 UsbCommand c={CMD_HID_DEMOD_FSK};
43 SendCommand(&c);
44 return 0;
45 }
46
47 int CmdHIDSim(const char *Cmd)
48 {
49 unsigned int hi = 0, lo = 0;
50 int n = 0, i = 0;
51
52 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
53 hi = (hi << 4) | (lo >> 28);
54 lo = (lo << 4) | (n & 0xf);
55 }
56
57 PrintAndLog("Emulating tag with ID %x%16x", hi, lo);
58
59 UsbCommand c = {CMD_HID_SIM_TAG, {hi, lo, 0}};
60 SendCommand(&c);
61 return 0;
62 }
63
64 int CmdHIDClone(const char *Cmd)
65 {
66 unsigned int hi = 0, lo = 0;
67 int n = 0, i = 0;
68
69 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
70 hi = (hi << 4) | (lo >> 28);
71 lo = (lo << 4) | (n & 0xf);
72 }
73
74 PrintAndLog("Cloning tag with ID %x%08x", hi, lo);
75
76 UsbCommand c = {CMD_HID_CLONE_TAG, {hi, lo}};
77 SendCommand(&c);
78 return 0;
79 }
80
81 static command_t CommandTable[] =
82 {
83 {"help", CmdHelp, 1, "This help"},
84 {"demod", CmdHIDDemod, 1, "Demodulate HID Prox Card II (not optimal)"},
85 {"fskdemod", CmdHIDDemodFSK, 0, "Realtime HID FSK demodulator"},
86 {"sim", CmdHIDSim, 0, "<ID> -- HID tag simulator"},
87 {"clone", CmdHIDClone, 0, "<ID> -- Clone HID to T55x7 (tag must be in antenna)"},
88 {NULL, NULL, 0, NULL}
89 };
90
91 int CmdLFHID(const char *Cmd)
92 {
93 CmdsParse(CommandTable, Cmd);
94 return 0;
95 }
96
97 int CmdHelp(const char *Cmd)
98 {
99 CmdsHelp(CommandTable);
100 return 0;
101 }
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