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Merge pull request #4 from Proxmark/master
[proxmark3-svn] / client / cmdlfhid.c
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 <string.h>
13 //#include "proxusb.h"
14 #include "proxmark3.h"
15 #include "ui.h"
16 #include "graph.h"
17 #include "cmdparser.h"
18 #include "cmdlfhid.h"
19
20 static int CmdHelp(const char *Cmd);
21
22 int CmdHIDDemod(const char *Cmd)
23 {
24 if (GraphTraceLen < 4800) {
25 PrintAndLog("too short; need at least 4800 samples");
26 return 0;
27 }
28
29 GraphTraceLen = 4800;
30 for (int i = 0; i < GraphTraceLen; ++i) {
31 if (GraphBuffer[i] < 0) {
32 GraphBuffer[i] = 0;
33 } else {
34 GraphBuffer[i] = 1;
35 }
36 }
37 RepaintGraphWindow();
38 return 0;
39 }
40
41 int CmdHIDDemodFSK(const char *Cmd)
42 {
43 int findone=0;
44 UsbCommand c={CMD_HID_DEMOD_FSK};
45 if(Cmd[0]=='1') findone=1;
46 c.arg[0]=findone;
47 SendCommand(&c);
48 return 0;
49 }
50
51 int CmdHIDSim(const char *Cmd)
52 {
53 unsigned int hi = 0, lo = 0;
54 int n = 0, i = 0;
55
56 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
57 hi = (hi << 4) | (lo >> 28);
58 lo = (lo << 4) | (n & 0xf);
59 }
60
61 PrintAndLog("Emulating tag with ID %x%16x", hi, lo);
62
63 UsbCommand c = {CMD_HID_SIM_TAG, {hi, lo, 0}};
64 SendCommand(&c);
65 return 0;
66 }
67
68 int CmdHIDClone(const char *Cmd)
69 {
70 unsigned int hi2 = 0, hi = 0, lo = 0;
71 int n = 0, i = 0;
72 UsbCommand c;
73
74 if (strchr(Cmd,'l') != 0) {
75 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
76 hi2 = (hi2 << 4) | (hi >> 28);
77 hi = (hi << 4) | (lo >> 28);
78 lo = (lo << 4) | (n & 0xf);
79 }
80
81 PrintAndLog("Cloning tag with long ID %x%08x%08x", hi2, hi, lo);
82
83 c.d.asBytes[0] = 1;
84 }
85 else {
86 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
87 hi = (hi << 4) | (lo >> 28);
88 lo = (lo << 4) | (n & 0xf);
89 }
90
91 PrintAndLog("Cloning tag with ID %x%08x", hi, lo);
92
93 hi2 = 0;
94 c.d.asBytes[0] = 0;
95 }
96
97 c.cmd = CMD_HID_CLONE_TAG;
98 c.arg[0] = hi2;
99 c.arg[1] = hi;
100 c.arg[2] = lo;
101
102 SendCommand(&c);
103 return 0;
104 }
105
106 static command_t CommandTable[] =
107 {
108 {"help", CmdHelp, 1, "This help"},
109 {"demod", CmdHIDDemod, 1, "Demodulate HID Prox Card II (not optimal)"},
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)"},
113 {NULL, NULL, 0, NULL}
114 };
115
116 int CmdLFHID(const char *Cmd)
117 {
118 CmdsParse(CommandTable, Cmd);
119 return 0;
120 }
121
122 int CmdHelp(const char *Cmd)
123 {
124 CmdsHelp(CommandTable);
125 return 0;
126 }
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