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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 "ui.h" | |
14 | #include "graph.h" | |
15 | #include "cmdparser.h" | |
16 | #include "cmdlfhid.h" | |
17 | ||
18 | static int CmdHelp(const char *Cmd); | |
19 | ||
20 | int 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 | ||
39 | int CmdHIDDemodFSK(const char *Cmd) | |
40 | { | |
41 | UsbCommand c={CMD_HID_DEMOD_FSK}; | |
42 | SendCommand(&c); | |
43 | return 0; | |
44 | } | |
45 | ||
46 | int CmdHIDSim(const char *Cmd) | |
47 | { | |
48 | unsigned int hi = 0, lo = 0; | |
49 | int n = 0, i = 0; | |
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 | ||
63 | int 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 | ||
80 | static 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"}, | |
86 | {"clone", CmdHIDClone, 0, "<ID> -- Clone HID to T55x7 (tag must be in antenna)"}, | |
87 | {NULL, NULL, 0, NULL} | |
88 | }; | |
89 | ||
90 | int CmdLFHID(const char *Cmd) | |
91 | { | |
92 | CmdsParse(CommandTable, Cmd); | |
93 | return 0; | |
94 | } | |
95 | ||
96 | int CmdHelp(const char *Cmd) | |
97 | { | |
98 | CmdsHelp(CommandTable); | |
99 | return 0; | |
100 | } |