| 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 "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 | int findone=0; |
| 43 | if(Cmd[0]=='1') findone=1; |
| 44 | UsbCommand c={CMD_HID_DEMOD_FSK}; |
| 45 | c.arg[0]=findone; |
| 46 | SendCommand(&c); |
| 47 | return 0; |
| 48 | } |
| 49 | |
| 50 | int CmdHIDSim(const char *Cmd) |
| 51 | { |
| 52 | unsigned int hi = 0, lo = 0; |
| 53 | int n = 0, i = 0; |
| 54 | |
| 55 | while (sscanf(&Cmd[i++], "%1x", &n ) == 1) { |
| 56 | hi = (hi << 4) | (lo >> 28); |
| 57 | lo = (lo << 4) | (n & 0xf); |
| 58 | } |
| 59 | |
| 60 | PrintAndLog("Emulating tag with ID %x%16x", hi, lo); |
| 61 | PrintAndLog("Press pm3-button to abort simulation"); |
| 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 | } |