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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 <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 | UsbCommand c={CMD_HID_DEMOD_FSK}; | |
44 | SendCommand(&c); | |
45 | return 0; | |
46 | } | |
47 | ||
48 | int CmdHIDSim(const char *Cmd) | |
49 | { | |
50 | unsigned int hi2 = 0, hi = 0, lo = 0; | |
51 | int n = 0, i = 0; | |
52 | UsbCommand c; | |
53 | ||
54 | if (strchr(Cmd,'l') != 0) { | |
55 | while (sscanf(&Cmd[i++], "%1x", &n ) == 1) { | |
56 | hi2 = (hi2 << 4) | (hi >> 28); | |
57 | hi = (hi << 4) | (lo >> 28); | |
58 | lo = (lo << 4) | (n & 0xf); | |
59 | } | |
60 | ||
61 | PrintAndLog("Cloning tag with long ID %x%08x%08x", hi2, hi, lo); | |
62 | ||
63 | c.d.asBytes[0] = 1; | |
64 | } | |
65 | else { | |
66 | while (sscanf(&Cmd[i++], "%1x", &n ) == 1) { | |
67 | hi = (hi << 4) | (lo >> 28); | |
68 | lo = (lo << 4) | (n & 0xf); | |
69 | } | |
70 | ||
71 | PrintAndLog("Cloning tag with ID %x%08x", hi, lo); | |
72 | ||
73 | hi2 = 0; | |
74 | c.d.asBytes[0] = 0; | |
75 | } | |
76 | ||
77 | c.cmd = CMD_HID_CLONE_TAG; | |
78 | c.arg[0] = hi2; | |
79 | c.arg[1] = hi; | |
80 | c.arg[2] = lo; | |
81 | ||
82 | // UsbCommand c = {CMD_HID_SIM_TAG, {hi, lo, 0}}; | |
83 | SendCommand(&c); | |
84 | return 0; | |
85 | } | |
86 | ||
87 | int CmdHIDClone(const char *Cmd) | |
88 | { | |
89 | unsigned int hi = 0, lo = 0; | |
90 | int n = 0, i = 0; | |
91 | ||
92 | while (sscanf(&Cmd[i++], "%1x", &n ) == 1) { | |
93 | hi = (hi << 4) | (lo >> 28); | |
94 | lo = (lo << 4) | (n & 0xf); | |
95 | } | |
96 | ||
97 | PrintAndLog("Cloning tag with ID %x%08x", hi, lo); | |
98 | ||
99 | UsbCommand c = {CMD_HID_CLONE_TAG, {hi, lo}}; | |
100 | SendCommand(&c); | |
101 | return 0; | |
102 | } | |
103 | ||
104 | static command_t CommandTable[] = | |
105 | { | |
106 | {"help", CmdHelp, 1, "This help"}, | |
107 | {"demod", CmdHIDDemod, 1, "Demodulate HID Prox Card II (not optimal)"}, | |
108 | {"fskdemod", CmdHIDDemodFSK, 1, "Realtime HID FSK demodulator"}, | |
109 | {"sim", CmdHIDSim, 1, "<ID> -- HID tag simulator"}, | |
110 | {"clone", CmdHIDClone, 1, "<ID> ['l'] -- Clone HID to T55x7 (tag must be in antenna)(option 'l' for 84bit ID)"}, | |
111 | {NULL, NULL, 0, NULL} | |
112 | }; | |
113 | ||
114 | int CmdLFHID(const char *Cmd) | |
115 | { | |
116 | CmdsParse(CommandTable, Cmd); | |
117 | return 0; | |
118 | } | |
119 | ||
120 | int CmdHelp(const char *Cmd) | |
121 | { | |
122 | CmdsHelp(CommandTable); | |
123 | return 0; | |
124 | } |