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1 | #include "cmdlfio.h" |
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2 | |
3 | static int CmdHelp(const char *Cmd); |
4 | |
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5 | int usage_lf_io_fskdemod(void) { |
6 | PrintAndLog("Enables IOProx compatible reader mode printing details of scanned tags."); |
7 | PrintAndLog("By default, values are printed and logged until the button is pressed or another USB command is issued."); |
8 | PrintAndLog("If the [1] option is provided, reader mode is exited after reading a single card."); |
9 | PrintAndLog(""); |
10 | PrintAndLog("Usage: lf io fskdemod [h] [1]"); |
11 | PrintAndLog("Options :"); |
12 | PrintAndLog(" h : This help"); |
13 | PrintAndLog(" 1 : (optional) stop after reading a single card"); |
14 | PrintAndLog(""); |
15 | PrintAndLog("Samples"); |
16 | PrintAndLog(" lf io fskdemod"); |
17 | PrintAndLog(" lf io fskdemod 1"); |
18 | return 0; |
19 | } |
20 | |
21 | int usage_lf_io_sim(void) { |
22 | PrintAndLog("Enables simulation of IOProx card with specified facility-code and card number."); |
23 | PrintAndLog("Simulation runs until the button is pressed or another USB command is issued."); |
24 | PrintAndLog(""); |
25 | PrintAndLog("Usage: lf io sim [h] <version> <facility-code> <card-number>"); |
26 | PrintAndLog("Options :"); |
27 | PrintAndLog(" h : This help"); |
28 | PrintAndLog(" <version> : 8bit version"); |
29 | PrintAndLog(" <facility-code> : 8bit value facility code"); |
30 | PrintAndLog(" <card number> : 16bit value card number"); |
31 | PrintAndLog(""); |
32 | PrintAndLog("Samples"); |
33 | PrintAndLog(" lf io sim 26 101 1337"); |
34 | return 0; |
35 | } |
36 | |
37 | int usage_lf_io_clone(void) { |
38 | PrintAndLog("Enables cloning of IOProx card with specified facility-code and card number onto T55x7."); |
39 | PrintAndLog("The T55x7 must be on the antenna when issuing this command. T55x7 blocks are calculated and printed in the process."); |
40 | PrintAndLog(""); |
41 | PrintAndLog("Usage: lf awid clone [h] <version> <facility-code> <card-number> [Q5]"); |
42 | PrintAndLog("Options :"); |
43 | PrintAndLog(" h : This help"); |
44 | PrintAndLog(" <version> : 8bit version"); |
45 | PrintAndLog(" <facility-code> : 8bit value facility code"); |
46 | PrintAndLog(" <card number> : 16bit value card number"); |
47 | PrintAndLog(" Q5 : optional - clone to Q5 (T5555) instead of T55x7 chip"); |
48 | PrintAndLog(""); |
49 | PrintAndLog("Samples"); |
50 | PrintAndLog(" lf io clone 26 101 1337"); |
51 | return 0; |
52 | } |
53 | |
54 | int CmdIODemodFSK(const char *Cmd) { |
55 | if (Cmd[0] == 'h' || Cmd[0] == 'H') return usage_lf_io_fskdemod(); |
56 | int findone = (Cmd[0]=='1') ? 1 : 0; |
57 | UsbCommand c = {CMD_IO_DEMOD_FSK}; |
58 | c.arg[0] = findone; |
59 | clearCommandBuffer(); |
60 | SendCommand(&c); |
61 | return 0; |
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62 | } |
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63 | /* |
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64 | int CmdIOProxDemod(const char *Cmd){ |
65 | if (GraphTraceLen < 4800) { |
66 | PrintAndLog("too short; need at least 4800 samples"); |
67 | return 0; |
68 | } |
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69 | GraphTraceLen = 4800; |
70 | for (int i = 0; i < GraphTraceLen; ++i) { |
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71 | GraphBuffer[i] = (GraphBuffer[i] < 0) ? 0 : 1; |
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72 | } |
73 | RepaintGraphWindow(); |
74 | return 0; |
75 | } |
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76 | */ |
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77 | |
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78 | //Index map |
79 | //0 10 20 30 40 50 60 |
80 | //| | | | | | | |
81 | //01234567 8 90123456 7 89012345 6 78901234 5 67890123 4 56789012 3 45678901 23 |
82 | //----------------------------------------------------------------------------- |
83 | //00000000 0 11110000 1 facility 1 version* 1 code*one 1 code*two 1 ???????? 11 |
84 | //XSF(version)facility:codeone+codetwo (raw) |
85 | int getIOProxBits(uint8_t version, uint8_t fc, uint16_t cn, uint8_t *bits) { |
86 | #define SEPARATOR 1 |
87 | uint8_t pos=0; |
88 | // the return bits, preamble 0000 0000 0 |
89 | uint8_t pre[64]; |
90 | memset(pre, 0, sizeof(pre)); |
91 | |
92 | // skip 9 zeros as preamble |
93 | pos = 9; |
94 | |
95 | // another fixed byte 11110000 = 0xF0 |
96 | num_to_bytebits(0xF0, 8, pre+pos); |
97 | pos += 8; |
98 | pre[pos] = SEPARATOR; |
99 | pos++; |
100 | |
101 | // add facilitycode |
102 | num_to_bytebits(fc, 8, pre+pos); |
103 | pos += 8; |
104 | pre[pos] = SEPARATOR; |
105 | pos++; |
106 | |
107 | // add version |
108 | num_to_bytebits(version, 8, pre+pos); |
109 | pos += 8; |
110 | pre[pos] = SEPARATOR; |
111 | pos++; |
112 | |
113 | // cardnumber high byte |
114 | num_to_bytebits( ((cn & 0xFF00)>>8), 8, pre+pos); |
115 | pos += 8; |
116 | pre[pos] = SEPARATOR; |
117 | pos++; |
118 | |
119 | // cardnumber low byte |
120 | num_to_bytebits( (cn & 0xFF), 8, pre+pos); |
121 | pos += 8; |
122 | pre[pos] = SEPARATOR; |
123 | pos++; |
124 | |
125 | // calculate and add CRC |
126 | uint16_t crc = 0; |
127 | for (uint8_t i=1; i<6; ++i) |
128 | crc += bytebits_to_byte(pre+9*i, 8); |
129 | |
130 | crc &= 0xFF; |
131 | crc = 0xff - crc; |
132 | num_to_bytebits(crc, 8, pre+pos); |
133 | pos += 8; |
134 | |
135 | // Final two ONES |
136 | pre[pos] = SEPARATOR; |
137 | pre[++pos] = SEPARATOR; |
138 | |
139 | memcpy(bits, pre, sizeof(pre)); |
140 | return 1; |
141 | } |
142 | |
143 | int CmdIOSim(const char *Cmd) { |
144 | uint16_t cn = 0; |
145 | uint8_t version = 0, fc = 0; |
146 | uint8_t bits[64]; |
147 | uint8_t *bs = bits; |
148 | size_t size = sizeof(bits); |
149 | memset(bs, 0x00, size); |
150 | |
151 | uint64_t arg1 = ( 10 << 8 ) + 8; // fcHigh = 10, fcLow = 8 |
152 | uint64_t arg2 = (64 << 8)| + 1; // clk RF/64 invert=1 |
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153 | |
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154 | char cmdp = param_getchar(Cmd, 0); |
155 | if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_io_sim(); |
156 | |
157 | version = param_get8(Cmd, 0); |
158 | fc = param_get8(Cmd, 1); |
159 | cn = param_get32ex(Cmd, 2, 0, 10); |
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160 | |
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161 | if ( !version | !fc || !cn) return usage_lf_io_sim(); |
162 | |
163 | if ((cn & 0xFFFF) != cn) { |
164 | cn &= 0xFFFF; |
165 | PrintAndLog("Card Number Truncated to 16-bits (IOProx): %u", cn); |
166 | } |
167 | |
168 | PrintAndLog("Emulating IOProx Version: %u FC: %u; CN: %u\n", version, fc, cn); |
169 | PrintAndLog("Press pm3-button to abort simulation or run another command"); |
170 | |
171 | if ( !getIOProxBits(version, fc, cn, bs)) { |
172 | PrintAndLog("Error with tag bitstream generation."); |
173 | return 1; |
174 | } |
175 | // IOProx uses: fcHigh: 10, fcLow: 8, clk: 64, invert: 1 |
176 | // arg1 --- fcHigh<<8 + fcLow |
177 | // arg2 --- Inversion and clk setting |
178 | // 64 --- Bitstream length: 64-bits == 8 bytes |
179 | UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}}; |
180 | memcpy(c.d.asBytes, bs, size); |
181 | clearCommandBuffer(); |
182 | SendCommand(&c); |
183 | return 0; |
184 | } |
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185 | |
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186 | int CmdIOClone(const char *Cmd) { |
187 | |
188 | uint32_t blocks[3] = {T55x7_MODULATION_FSK2a | T55x7_BITRATE_RF_64 | 2<<T55x7_MAXBLOCK_SHIFT, 0, 0}; |
189 | uint16_t cn = 0; |
190 | uint8_t version = 0, fc = 0; |
191 | uint8_t bits[64]; |
192 | uint8_t *bs=bits; |
193 | memset(bs,0,sizeof(bits)); |
194 | |
195 | char cmdp = param_getchar(Cmd, 0); |
196 | if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_io_clone(); |
197 | |
198 | version = param_get8(Cmd, 0); |
199 | fc = param_get8(Cmd, 1); |
200 | cn = param_get32ex(Cmd, 2, 0, 10); |
201 | |
202 | if ( !version | !fc || !cn) return usage_lf_io_clone(); |
203 | |
204 | if ((cn & 0xFFFF) != cn) { |
205 | cn &= 0xFFFF; |
206 | PrintAndLog("Card Number Truncated to 16-bits (IOProx): %u", cn); |
207 | } |
208 | |
209 | // if (param_getchar(Cmd, 4) == 'Q' || param_getchar(Cmd, 4) == 'q') |
210 | //t5555 (Q5) BITRATE = (RF-2)/2 (iceman) |
211 | // blocks[0] = T5555_MODULATION_FSK2 | T5555_INVERT_OUTPUT | 50<<T5555_BITRATE_SHIFT | 3<<T5555_MAXBLOCK_SHIFT; |
212 | |
213 | if ( !getIOProxBits(version, fc, cn, bs)) { |
214 | PrintAndLog("Error with tag bitstream generation."); |
215 | return 1; |
216 | } |
217 | |
218 | blocks[1] = bytebits_to_byte(bs,32); |
219 | blocks[2] = bytebits_to_byte(bs+32,32); |
220 | |
221 | PrintAndLog("Preparing to clone IOProx to T55x7 with Version: %u FC: %u, CN: %u", version, fc, cn); |
222 | PrintAndLog("Blk | Data "); |
223 | PrintAndLog("----+------------"); |
224 | PrintAndLog(" 00 | 0x%08x", blocks[0]); |
225 | PrintAndLog(" 01 | 0x%08x", blocks[1]); |
226 | PrintAndLog(" 02 | 0x%08x", blocks[2]); |
227 | //UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}}; |
228 | UsbCommand c = {CMD_IO_CLONE_TAG, {blocks[1],blocks[2],0}}; |
229 | clearCommandBuffer(); |
230 | SendCommand(&c); |
231 | return 0; |
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232 | } |
233 | |
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234 | static command_t CommandTable[] = { |
235 | {"help", CmdHelp, 1, "This help"}, |
236 | //{"demod", CmdIOProxDemod, 1, "Demodulate Stream"}, |
237 | {"fskdemod",CmdIODemodFSK, 0, "['1'] Realtime IO FSK demodulator (option '1' for one tag only)"}, |
238 | {"sim", CmdIOSim, 0, "<version> <facility-code> <card number> -- IOProx tag simulator"}, |
239 | {"clone", CmdIOClone, 0, "<version> <facility-code> <card number> <Q5> -- Clone IOProx to T55x7"}, |
240 | {NULL, NULL, 0, NULL} |
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241 | }; |
242 | |
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243 | int CmdLFIO(const char *Cmd){ |
244 | clearCommandBuffer(); |
245 | CmdsParse(CommandTable, Cmd); |
246 | return 0; |
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247 | } |
248 | |
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249 | int CmdHelp(const char *Cmd) { |
250 | CmdsHelp(CommandTable); |
251 | return 0; |
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252 | } |