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1 | #include <stdio.h> | |
2 | #include <stdlib.h> | |
3 | #include <string.h> | |
4 | #include <inttypes.h> | |
5 | #include <limits.h> | |
6 | #include "cmdlfio.h" | |
7 | #include "proxmark3.h" | |
8 | #include "data.h" | |
9 | #include "graph.h" | |
10 | #include "ui.h" | |
11 | #include "cmdparser.h" | |
12 | #include "cmdmain.h" | |
13 | #include "cmddata.h" | |
14 | #include "cmdlf.h" | |
15 | #include "lfdemod.h" //for IOdemodFSK + bytebits_to_byte | |
16 | #include "util.h" //for sprint_bin_break | |
17 | ||
18 | static int CmdHelp(const char *Cmd); | |
19 | ||
20 | int CmdIOReadFSK(const char *Cmd) | |
21 | { | |
22 | int findone=0; | |
23 | if(Cmd[0]=='1') findone=1; | |
24 | ||
25 | UsbCommand c={CMD_IO_DEMOD_FSK}; | |
26 | c.arg[0]=findone; | |
27 | SendCommand(&c); | |
28 | return 0; | |
29 | } | |
30 | ||
31 | //by marshmellow | |
32 | //IO-Prox demod - FSK RF/64 with preamble of 000000001 | |
33 | //print ioprox ID and some format details | |
34 | int CmdFSKdemodIO(const char *Cmd) | |
35 | { | |
36 | int idx=0; | |
37 | //something in graphbuffer? | |
38 | if (GraphTraceLen < 65) { | |
39 | if (g_debugMode)PrintAndLog("DEBUG: not enough samples in GraphBuffer"); | |
40 | return 0; | |
41 | } | |
42 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; | |
43 | size_t BitLen = getFromGraphBuf(BitStream); | |
44 | if (BitLen==0) return 0; | |
45 | ||
46 | //get binary from fsk wave | |
47 | idx = IOdemodFSK(BitStream,BitLen); | |
48 | if (idx<0){ | |
49 | if (g_debugMode){ | |
50 | if (idx==-1){ | |
51 | PrintAndLog("DEBUG: Just Noise Detected"); | |
52 | } else if (idx == -2) { | |
53 | PrintAndLog("DEBUG: not enough samples"); | |
54 | } else if (idx == -3) { | |
55 | PrintAndLog("DEBUG: error during fskdemod"); | |
56 | } else if (idx == -4) { | |
57 | PrintAndLog("DEBUG: Preamble not found"); | |
58 | } else if (idx == -5) { | |
59 | PrintAndLog("DEBUG: Separator bits not found"); | |
60 | } else { | |
61 | PrintAndLog("DEBUG: Error demoding fsk %d", idx); | |
62 | } | |
63 | } | |
64 | return 0; | |
65 | } | |
66 | if (idx==0){ | |
67 | if (g_debugMode){ | |
68 | PrintAndLog("DEBUG: IO Prox Data not found - FSK Bits: %d",BitLen); | |
69 | if (BitLen > 92) PrintAndLog("%s", sprint_bin_break(BitStream,92,16)); | |
70 | } | |
71 | return 0; | |
72 | } | |
73 | //Index map | |
74 | //0 10 20 30 40 50 60 | |
75 | //| | | | | | | | |
76 | //01234567 8 90123456 7 89012345 6 78901234 5 67890123 4 56789012 3 45678901 23 | |
77 | //----------------------------------------------------------------------------- | |
78 | //00000000 0 11110000 1 facility 1 version* 1 code*one 1 code*two 1 ???????? 11 | |
79 | // | |
80 | //XSF(version)facility:codeone+codetwo (raw) | |
81 | //Handle the data | |
82 | if (idx+64>BitLen) { | |
83 | if (g_debugMode) PrintAndLog("not enough bits found - bitlen: %d",BitLen); | |
84 | return 0; | |
85 | } | |
86 | PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx], BitStream[idx+1], BitStream[idx+2], BitStream[idx+3], BitStream[idx+4], BitStream[idx+5], BitStream[idx+6], BitStream[idx+7], BitStream[idx+8]); | |
87 | PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx+9], BitStream[idx+10], BitStream[idx+11],BitStream[idx+12],BitStream[idx+13],BitStream[idx+14],BitStream[idx+15],BitStream[idx+16],BitStream[idx+17]); | |
88 | PrintAndLog("%d%d%d%d%d%d%d%d %d facility",BitStream[idx+18], BitStream[idx+19], BitStream[idx+20],BitStream[idx+21],BitStream[idx+22],BitStream[idx+23],BitStream[idx+24],BitStream[idx+25],BitStream[idx+26]); | |
89 | PrintAndLog("%d%d%d%d%d%d%d%d %d version",BitStream[idx+27], BitStream[idx+28], BitStream[idx+29],BitStream[idx+30],BitStream[idx+31],BitStream[idx+32],BitStream[idx+33],BitStream[idx+34],BitStream[idx+35]); | |
90 | PrintAndLog("%d%d%d%d%d%d%d%d %d code1",BitStream[idx+36], BitStream[idx+37], BitStream[idx+38],BitStream[idx+39],BitStream[idx+40],BitStream[idx+41],BitStream[idx+42],BitStream[idx+43],BitStream[idx+44]); | |
91 | PrintAndLog("%d%d%d%d%d%d%d%d %d code2",BitStream[idx+45], BitStream[idx+46], BitStream[idx+47],BitStream[idx+48],BitStream[idx+49],BitStream[idx+50],BitStream[idx+51],BitStream[idx+52],BitStream[idx+53]); | |
92 | PrintAndLog("%d%d%d%d%d%d%d%d %d%d checksum",BitStream[idx+54],BitStream[idx+55],BitStream[idx+56],BitStream[idx+57],BitStream[idx+58],BitStream[idx+59],BitStream[idx+60],BitStream[idx+61],BitStream[idx+62],BitStream[idx+63]); | |
93 | ||
94 | uint32_t code = bytebits_to_byte(BitStream+idx,32); | |
95 | uint32_t code2 = bytebits_to_byte(BitStream+idx+32,32); | |
96 | uint8_t version = bytebits_to_byte(BitStream+idx+27,8); //14,4 | |
97 | uint8_t facilitycode = bytebits_to_byte(BitStream+idx+18,8) ; | |
98 | uint16_t number = (bytebits_to_byte(BitStream+idx+36,8)<<8)|(bytebits_to_byte(BitStream+idx+45,8)); //36,9 | |
99 | uint8_t crc = bytebits_to_byte(BitStream+idx+54,8); | |
100 | uint16_t calccrc = 0; | |
101 | ||
102 | for (uint8_t i=1; i<6; ++i){ | |
103 | calccrc += bytebits_to_byte(BitStream+idx+9*i,8); | |
104 | } | |
105 | calccrc &= 0xff; | |
106 | calccrc = 0xff - calccrc; | |
107 | ||
108 | char *crcStr = (crc == calccrc) ? "crc ok": "!crc"; | |
109 | ||
110 | PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x) [%02x %s]",version,facilitycode,number,code,code2, crc, crcStr); | |
111 | setDemodBuf(BitStream,64,idx); | |
112 | if (g_debugMode){ | |
113 | PrintAndLog("DEBUG: idx: %d, Len: %d, Printing demod buffer:",idx,64); | |
114 | printDemodBuff(); | |
115 | } | |
116 | return 1; | |
117 | } | |
118 | ||
119 | int CmdIOClone(const char *Cmd) | |
120 | { | |
121 | unsigned int hi = 0, lo = 0; | |
122 | int n = 0, i = 0; | |
123 | UsbCommand c; | |
124 | ||
125 | ||
126 | //if (1 == sscanf(str, "0x%"SCNx32, &hi)) { | |
127 | // value now contains the value in the string--decimal 255, in this case. | |
128 | //} | |
129 | ||
130 | while (sscanf(&Cmd[i++], "%1x", &n ) == 1) { | |
131 | hi = (hi << 4) | (lo >> 28); | |
132 | lo = (lo << 4) | (n & 0xf); | |
133 | } | |
134 | ||
135 | PrintAndLog("Cloning tag with ID %08x %08x", hi, lo); | |
136 | PrintAndLog("Press pm3-button to abort simulation"); | |
137 | c.cmd = CMD_IO_CLONE_TAG; | |
138 | c.arg[0] = hi; | |
139 | c.arg[1] = lo; | |
140 | ||
141 | SendCommand(&c); | |
142 | return 0; | |
143 | } | |
144 | ||
145 | static command_t CommandTable[] = | |
146 | { | |
147 | {"help", CmdHelp, 1, "This help"}, | |
148 | {"demod", CmdFSKdemodIO, 1, "Demodulate IO Prox tag from the GraphBuffer"}, | |
149 | {"read", CmdIOReadFSK, 0, "['1'] Realtime IO FSK demodulate from antenna (option '1' for one tag only)"}, | |
150 | {"clone", CmdIOClone, 0, "Clone ioProx Tag"}, | |
151 | {NULL, NULL, 0, NULL} | |
152 | }; | |
153 | ||
154 | int CmdLFIO(const char *Cmd) | |
155 | { | |
156 | CmdsParse(CommandTable, Cmd); | |
157 | return 0; | |
158 | } | |
159 | ||
160 | int CmdHelp(const char *Cmd) | |
161 | { | |
162 | CmdsHelp(CommandTable); | |
163 | return 0; | |
164 | } |