a553f267 |
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 EM4x commands |
9 | //----------------------------------------------------------------------------- |
10 | |
7fe9b0b7 |
11 | #include <stdio.h> |
9e13f875 |
12 | #include <string.h> |
ec564290 |
13 | #include <inttypes.h> |
7fe9b0b7 |
14 | #include "cmdlfem4x.h" |
0ad1a1d4 |
15 | |
c3bfb9c7 |
16 | char *global_em410xId; |
7fe9b0b7 |
17 | |
18 | static int CmdHelp(const char *Cmd); |
19 | |
66707a3b |
20 | int CmdEMdemodASK(const char *Cmd) |
21 | { |
3fe4ff4f |
22 | char cmdp = param_getchar(Cmd, 0); |
cc15a118 |
23 | int findone = (cmdp == '1') ? 1 : 0; |
23f0a7d8 |
24 | UsbCommand c={CMD_EM410X_DEMOD}; |
25 | c.arg[0]=findone; |
26 | SendCommand(&c); |
27 | return 0; |
66707a3b |
28 | } |
29 | |
7fe9b0b7 |
30 | /* Read the ID of an EM410x tag. |
31 | * Format: |
32 | * 1111 1111 1 <-- standard non-repeatable header |
33 | * XXXX [row parity bit] <-- 10 rows of 5 bits for our 40 bit tag ID |
34 | * .... |
35 | * CCCC <-- each bit here is parity for the 10 bits above in corresponding column |
36 | * 0 <-- stop bit, end of tag |
37 | */ |
38 | int CmdEM410xRead(const char *Cmd) |
39 | { |
23f0a7d8 |
40 | uint32_t hi=0; |
41 | uint64_t lo=0; |
42 | |
fef74fdc |
43 | if(!AskEm410xDemod("", &hi, &lo, false)) return 0; |
23f0a7d8 |
44 | PrintAndLog("EM410x pattern found: "); |
45 | printEM410x(hi, lo); |
46 | if (hi){ |
47 | PrintAndLog ("EM410x XL pattern found"); |
48 | return 0; |
49 | } |
50 | char id[12] = {0x00}; |
43d3f769 |
51 | //sprintf(id, "%010llx",lo); |
28093ebc |
52 | sprintf(id, "%010"PRIu64, lo); |
23f0a7d8 |
53 | |
54 | global_em410xId = id; |
55 | return 1; |
7fe9b0b7 |
56 | } |
57 | |
13d77ef9 |
58 | // emulate an EM410X tag |
7fe9b0b7 |
59 | int CmdEM410xSim(const char *Cmd) |
60 | { |
3fe4ff4f |
61 | int i, n, j, binary[4], parity[4]; |
62 | |
63 | char cmdp = param_getchar(Cmd, 0); |
64 | uint8_t uid[5] = {0x00}; |
65 | |
66 | if (cmdp == 'h' || cmdp == 'H') { |
bca71079 |
67 | PrintAndLog("Usage: lf em4x em410xsim <UID> <clock>"); |
3fe4ff4f |
68 | PrintAndLog(""); |
ba765c9e |
69 | PrintAndLog(" sample: lf em4x em410xsim 0F0368568B"); |
3fe4ff4f |
70 | return 0; |
71 | } |
bca71079 |
72 | /* clock is 64 in EM410x tags */ |
73 | uint8_t clock = 64; |
3fe4ff4f |
74 | |
75 | if (param_gethex(Cmd, 0, uid, 10)) { |
76 | PrintAndLog("UID must include 10 HEX symbols"); |
77 | return 0; |
78 | } |
bca71079 |
79 | param_getdec(Cmd, 1, &clock); |
3fe4ff4f |
80 | |
bca71079 |
81 | PrintAndLog("Starting simulating UID %02X%02X%02X%02X%02X clock: %d", uid[0],uid[1],uid[2],uid[3],uid[4],clock); |
3fe4ff4f |
82 | PrintAndLog("Press pm3-button to about simulation"); |
7fe9b0b7 |
83 | |
23f0a7d8 |
84 | |
85 | /* clear our graph */ |
86 | ClearGraph(0); |
87 | |
88 | /* write 9 start bits */ |
89 | for (i = 0; i < 9; i++) |
90 | AppendGraph(0, clock, 1); |
91 | |
92 | /* for each hex char */ |
93 | parity[0] = parity[1] = parity[2] = parity[3] = 0; |
94 | for (i = 0; i < 10; i++) |
95 | { |
96 | /* read each hex char */ |
97 | sscanf(&Cmd[i], "%1x", &n); |
98 | for (j = 3; j >= 0; j--, n/= 2) |
99 | binary[j] = n % 2; |
100 | |
101 | /* append each bit */ |
102 | AppendGraph(0, clock, binary[0]); |
103 | AppendGraph(0, clock, binary[1]); |
104 | AppendGraph(0, clock, binary[2]); |
105 | AppendGraph(0, clock, binary[3]); |
106 | |
107 | /* append parity bit */ |
108 | AppendGraph(0, clock, binary[0] ^ binary[1] ^ binary[2] ^ binary[3]); |
109 | |
110 | /* keep track of column parity */ |
111 | parity[0] ^= binary[0]; |
112 | parity[1] ^= binary[1]; |
113 | parity[2] ^= binary[2]; |
114 | parity[3] ^= binary[3]; |
115 | } |
116 | |
117 | /* parity columns */ |
118 | AppendGraph(0, clock, parity[0]); |
119 | AppendGraph(0, clock, parity[1]); |
120 | AppendGraph(0, clock, parity[2]); |
121 | AppendGraph(0, clock, parity[3]); |
122 | |
123 | /* stop bit */ |
124 | AppendGraph(1, clock, 0); |
3fe4ff4f |
125 | |
23f0a7d8 |
126 | CmdLFSim("0"); //240 start_gap. |
127 | return 0; |
7fe9b0b7 |
128 | } |
129 | |
3fe4ff4f |
130 | /* Function is equivalent of lf read + data samples + em410xread |
131 | * looped until an EM410x tag is detected |
132 | * |
133 | * Why is CmdSamples("16000")? |
134 | * TBD: Auto-grow sample size based on detected sample rate. IE: If the |
135 | * rate gets lower, then grow the number of samples |
136 | * Changed by martin, 4000 x 4 = 16000, |
137 | * see http://www.proxmark.org/forum/viewtopic.php?pid=7235#p7235 |
3fe4ff4f |
138 | */ |
7fe9b0b7 |
139 | int CmdEM410xWatch(const char *Cmd) |
140 | { |
3fe4ff4f |
141 | do { |
142 | if (ukbhit()) { |
143 | printf("\naborted via keyboard!\n"); |
144 | break; |
145 | } |
146 | |
1fbf8956 |
147 | CmdLFRead("s"); |
2767fc02 |
148 | getSamples("8201",true); //capture enough to get 2 complete preambles (4096*2+9) |
13d77ef9 |
149 | } while (!CmdEM410xRead("")); |
150 | |
3fe4ff4f |
151 | return 0; |
7fe9b0b7 |
152 | } |
153 | |
23f0a7d8 |
154 | //currently only supports manchester modulations |
c3bfb9c7 |
155 | int CmdEM410xWatchnSpoof(const char *Cmd) |
156 | { |
157 | CmdEM410xWatch(Cmd); |
1fbf8956 |
158 | PrintAndLog("# Replaying captured ID: %s",global_em410xId); |
159 | CmdLFaskSim(""); |
160 | return 0; |
c3bfb9c7 |
161 | } |
162 | |
2d4eae76 |
163 | int CmdEM410xWrite(const char *Cmd) |
164 | { |
6e984446 |
165 | uint64_t id = 0xFFFFFFFFFFFFFFFF; // invalid id value |
166 | int card = 0xFF; // invalid card value |
8ce3e4b4 |
167 | uint32_t clock = 0; // invalid clock value |
e67b06b7 |
168 | |
169 | sscanf(Cmd, "%" PRIx64 " %d %d", &id, &card, &clock); |
170 | |
171 | // Check ID |
172 | if (id == 0xFFFFFFFFFFFFFFFF) { |
173 | PrintAndLog("Error! ID is required.\n"); |
174 | return 0; |
175 | } |
176 | if (id >= 0x10000000000) { |
177 | PrintAndLog("Error! Given EM410x ID is longer than 40 bits.\n"); |
178 | return 0; |
179 | } |
180 | |
181 | // Check Card |
182 | if (card == 0xFF) { |
183 | PrintAndLog("Error! Card type required.\n"); |
184 | return 0; |
185 | } |
186 | if (card < 0) { |
187 | PrintAndLog("Error! Bad card type selected.\n"); |
188 | return 0; |
189 | } |
190 | |
191 | // Check Clock |
e67b06b7 |
192 | // Default: 64 |
8ce3e4b4 |
193 | if (clock == 0) |
194 | clock = 64; |
e67b06b7 |
195 | |
bca71079 |
196 | // Allowed clock rates: 16, 32, 40 and 64 |
197 | if ((clock != 16) && (clock != 32) && (clock != 64) && (clock != 40)) { |
198 | PrintAndLog("Error! Clock rate %d not valid. Supported clock rates are 16, 32, 40 and 64.\n", clock); |
e67b06b7 |
199 | return 0; |
200 | } |
201 | |
202 | if (card == 1) { |
203 | PrintAndLog("Writing %s tag with UID 0x%010" PRIx64 " (clock rate: %d)", "T55x7", id, clock); |
204 | // NOTE: We really should pass the clock in as a separate argument, but to |
205 | // provide for backwards-compatibility for older firmware, and to avoid |
206 | // having to add another argument to CMD_EM410X_WRITE_TAG, we just store |
207 | // the clock rate in bits 8-15 of the card value |
bca71079 |
208 | card = (card & 0xFF) | ((clock << 8) & 0xFF00); |
209 | } else if (card == 0) { |
e67b06b7 |
210 | PrintAndLog("Writing %s tag with UID 0x%010" PRIx64, "T5555", id, clock); |
bca71079 |
211 | card = (card & 0xFF) | ((clock << 8) & 0xFF00); |
212 | } else { |
e67b06b7 |
213 | PrintAndLog("Error! Bad card type selected.\n"); |
214 | return 0; |
215 | } |
2d4eae76 |
216 | |
6e984446 |
217 | UsbCommand c = {CMD_EM410X_WRITE_TAG, {card, (uint32_t)(id >> 32), (uint32_t)id}}; |
218 | SendCommand(&c); |
6e984446 |
219 | return 0; |
220 | } |
2d4eae76 |
221 | |
23f0a7d8 |
222 | bool EM_EndParityTest(uint8_t *BitStream, size_t size, uint8_t rows, uint8_t cols, uint8_t pType) |
223 | { |
224 | if (rows*cols>size) return false; |
225 | uint8_t colP=0; |
cc15a118 |
226 | //assume last col is a parity and do not test |
23f0a7d8 |
227 | for (uint8_t colNum = 0; colNum < cols-1; colNum++) { |
228 | for (uint8_t rowNum = 0; rowNum < rows; rowNum++) { |
229 | colP ^= BitStream[(rowNum*cols)+colNum]; |
230 | } |
231 | if (colP != pType) return false; |
232 | } |
233 | return true; |
234 | } |
235 | |
236 | bool EM_ByteParityTest(uint8_t *BitStream, size_t size, uint8_t rows, uint8_t cols, uint8_t pType) |
237 | { |
238 | if (rows*cols>size) return false; |
239 | uint8_t rowP=0; |
240 | //assume last row is a parity row and do not test |
241 | for (uint8_t rowNum = 0; rowNum < rows-1; rowNum++) { |
242 | for (uint8_t colNum = 0; colNum < cols; colNum++) { |
243 | rowP ^= BitStream[(rowNum*cols)+colNum]; |
244 | } |
245 | if (rowP != pType) return false; |
246 | } |
247 | return true; |
248 | } |
249 | |
250 | uint32_t OutputEM4x50_Block(uint8_t *BitStream, size_t size, bool verbose, bool pTest) |
251 | { |
252 | if (size<45) return 0; |
253 | uint32_t code = bytebits_to_byte(BitStream,8); |
254 | code = code<<8 | bytebits_to_byte(BitStream+9,8); |
255 | code = code<<8 | bytebits_to_byte(BitStream+18,8); |
256 | code = code<<8 | bytebits_to_byte(BitStream+27,8); |
257 | if (verbose || g_debugMode){ |
258 | for (uint8_t i = 0; i<5; i++){ |
cc15a118 |
259 | if (i == 4) PrintAndLog(""); //parity byte spacer |
23f0a7d8 |
260 | PrintAndLog("%d%d%d%d%d%d%d%d %d -> 0x%02x", |
261 | BitStream[i*9], |
262 | BitStream[i*9+1], |
263 | BitStream[i*9+2], |
264 | BitStream[i*9+3], |
265 | BitStream[i*9+4], |
266 | BitStream[i*9+5], |
267 | BitStream[i*9+6], |
268 | BitStream[i*9+7], |
269 | BitStream[i*9+8], |
270 | bytebits_to_byte(BitStream+i*9,8) |
271 | ); |
272 | } |
273 | if (pTest) |
274 | PrintAndLog("Parity Passed"); |
275 | else |
276 | PrintAndLog("Parity Failed"); |
277 | } |
23f0a7d8 |
278 | return code; |
279 | } |
7fe9b0b7 |
280 | /* Read the transmitted data of an EM4x50 tag |
281 | * Format: |
282 | * |
283 | * XXXXXXXX [row parity bit (even)] <- 8 bits plus parity |
284 | * XXXXXXXX [row parity bit (even)] <- 8 bits plus parity |
285 | * XXXXXXXX [row parity bit (even)] <- 8 bits plus parity |
286 | * XXXXXXXX [row parity bit (even)] <- 8 bits plus parity |
287 | * CCCCCCCC <- column parity bits |
288 | * 0 <- stop bit |
289 | * LW <- Listen Window |
290 | * |
291 | * This pattern repeats for every block of data being transmitted. |
292 | * Transmission starts with two Listen Windows (LW - a modulated |
293 | * pattern of 320 cycles each (32/32/128/64/64)). |
294 | * |
295 | * Note that this data may or may not be the UID. It is whatever data |
296 | * is stored in the blocks defined in the control word First and Last |
297 | * Word Read values. UID is stored in block 32. |
298 | */ |
cc15a118 |
299 | //completed by Marshmellow |
23f0a7d8 |
300 | int EM4x50Read(const char *Cmd, bool verbose) |
301 | { |
cc15a118 |
302 | uint8_t fndClk[] = {8,16,32,40,50,64,128}; |
23f0a7d8 |
303 | int clk = 0; |
304 | int invert = 0; |
23f0a7d8 |
305 | int tol = 0; |
306 | int i, j, startblock, skip, block, start, end, low, high, minClk; |
cc15a118 |
307 | bool complete = false; |
23f0a7d8 |
308 | int tmpbuff[MAX_GRAPH_TRACE_LEN / 64]; |
23f0a7d8 |
309 | uint32_t Code[6]; |
310 | char tmp[6]; |
23f0a7d8 |
311 | char tmp2[20]; |
49bbc60a |
312 | int phaseoff; |
cc15a118 |
313 | high = low = 0; |
23f0a7d8 |
314 | memset(tmpbuff, 0, MAX_GRAPH_TRACE_LEN / 64); |
cc15a118 |
315 | |
316 | // get user entry if any |
317 | sscanf(Cmd, "%i %i", &clk, &invert); |
318 | |
319 | // save GraphBuffer - to restore it later |
320 | save_restoreGB(1); |
321 | |
23f0a7d8 |
322 | // first get high and low values |
cc15a118 |
323 | for (i = 0; i < GraphTraceLen; i++) { |
23f0a7d8 |
324 | if (GraphBuffer[i] > high) |
325 | high = GraphBuffer[i]; |
326 | else if (GraphBuffer[i] < low) |
327 | low = GraphBuffer[i]; |
328 | } |
329 | |
cc15a118 |
330 | i = 0; |
331 | j = 0; |
332 | minClk = 255; |
333 | // get to first full low to prime loop and skip incomplete first pulse |
334 | while ((GraphBuffer[i] < high) && (i < GraphTraceLen)) |
335 | ++i; |
336 | while ((GraphBuffer[i] > low) && (i < GraphTraceLen)) |
337 | ++i; |
338 | skip = i; |
339 | |
340 | // populate tmpbuff buffer with pulse lengths |
341 | while (i < GraphTraceLen) { |
23f0a7d8 |
342 | // measure from low to low |
cc15a118 |
343 | while ((GraphBuffer[i] > low) && (i < GraphTraceLen)) |
23f0a7d8 |
344 | ++i; |
345 | start= i; |
cc15a118 |
346 | while ((GraphBuffer[i] < high) && (i < GraphTraceLen)) |
23f0a7d8 |
347 | ++i; |
cc15a118 |
348 | while ((GraphBuffer[i] > low) && (i < GraphTraceLen)) |
23f0a7d8 |
349 | ++i; |
350 | if (j>=(MAX_GRAPH_TRACE_LEN/64)) { |
351 | break; |
352 | } |
353 | tmpbuff[j++]= i - start; |
cc15a118 |
354 | if (i-start < minClk && i < GraphTraceLen) { |
355 | minClk = i - start; |
356 | } |
23f0a7d8 |
357 | } |
358 | // set clock |
cc15a118 |
359 | if (!clk) { |
23f0a7d8 |
360 | for (uint8_t clkCnt = 0; clkCnt<7; clkCnt++) { |
361 | tol = fndClk[clkCnt]/8; |
cc15a118 |
362 | if (minClk >= fndClk[clkCnt]-tol && minClk <= fndClk[clkCnt]+1) { |
23f0a7d8 |
363 | clk=fndClk[clkCnt]; |
364 | break; |
365 | } |
366 | } |
cc15a118 |
367 | if (!clk) return 0; |
6e984446 |
368 | } else tol = clk/8; |
23f0a7d8 |
369 | |
370 | // look for data start - should be 2 pairs of LW (pulses of clk*3,clk*2) |
cc15a118 |
371 | start = -1; |
372 | for (i= 0; i < j - 4 ; ++i) { |
23f0a7d8 |
373 | skip += tmpbuff[i]; |
cc15a118 |
374 | if (tmpbuff[i] >= clk*3-tol && tmpbuff[i] <= clk*3+tol) //3 clocks |
375 | if (tmpbuff[i+1] >= clk*2-tol && tmpbuff[i+1] <= clk*2+tol) //2 clocks |
376 | if (tmpbuff[i+2] >= clk*3-tol && tmpbuff[i+2] <= clk*3+tol) //3 clocks |
377 | if (tmpbuff[i+3] >= clk-tol) //1.5 to 2 clocks - depends on bit following |
23f0a7d8 |
378 | { |
379 | start= i + 4; |
380 | break; |
381 | } |
382 | } |
cc15a118 |
383 | startblock = i + 4; |
23f0a7d8 |
384 | |
385 | // skip over the remainder of LW |
49bbc60a |
386 | skip += tmpbuff[i+1] + tmpbuff[i+2] + clk; |
387 | if (tmpbuff[i+3]>clk) |
388 | phaseoff = tmpbuff[i+3]-clk; |
389 | else |
390 | phaseoff = 0; |
23f0a7d8 |
391 | // now do it again to find the end |
392 | end = skip; |
cc15a118 |
393 | for (i += 3; i < j - 4 ; ++i) { |
23f0a7d8 |
394 | end += tmpbuff[i]; |
cc15a118 |
395 | if (tmpbuff[i] >= clk*3-tol && tmpbuff[i] <= clk*3+tol) //3 clocks |
396 | if (tmpbuff[i+1] >= clk*2-tol && tmpbuff[i+1] <= clk*2+tol) //2 clocks |
397 | if (tmpbuff[i+2] >= clk*3-tol && tmpbuff[i+2] <= clk*3+tol) //3 clocks |
398 | if (tmpbuff[i+3] >= clk-tol) //1.5 to 2 clocks - depends on bit following |
23f0a7d8 |
399 | { |
400 | complete= true; |
401 | break; |
402 | } |
403 | } |
404 | end = i; |
405 | // report back |
406 | if (verbose || g_debugMode) { |
407 | if (start >= 0) { |
cc15a118 |
408 | PrintAndLog("\nNote: one block = 50 bits (32 data, 12 parity, 6 marker)"); |
23f0a7d8 |
409 | } else { |
cc15a118 |
410 | PrintAndLog("No data found!, clock tried:%d",clk); |
23f0a7d8 |
411 | PrintAndLog("Try again with more samples."); |
cc15a118 |
412 | PrintAndLog(" or after a 'data askedge' command to clean up the read"); |
23f0a7d8 |
413 | return 0; |
414 | } |
23f0a7d8 |
415 | } else if (start < 0) return 0; |
cc15a118 |
416 | start = skip; |
23f0a7d8 |
417 | snprintf(tmp2, sizeof(tmp2),"%d %d 1000 %d", clk, invert, clk*47); |
418 | // get rid of leading crap |
cc15a118 |
419 | snprintf(tmp, sizeof(tmp), "%i", skip); |
23f0a7d8 |
420 | CmdLtrim(tmp); |
421 | bool pTest; |
cc15a118 |
422 | bool AllPTest = true; |
23f0a7d8 |
423 | // now work through remaining buffer printing out data blocks |
424 | block = 0; |
425 | i = startblock; |
cc15a118 |
426 | while (block < 6) { |
23f0a7d8 |
427 | if (verbose || g_debugMode) PrintAndLog("\nBlock %i:", block); |
428 | skip = phaseoff; |
429 | |
430 | // look for LW before start of next block |
cc15a118 |
431 | for ( ; i < j - 4 ; ++i) { |
23f0a7d8 |
432 | skip += tmpbuff[i]; |
433 | if (tmpbuff[i] >= clk*3-tol && tmpbuff[i] <= clk*3+tol) |
434 | if (tmpbuff[i+1] >= clk-tol) |
435 | break; |
436 | } |
49bbc60a |
437 | if (i >= j-4) break; //next LW not found |
23f0a7d8 |
438 | skip += clk; |
49bbc60a |
439 | if (tmpbuff[i+1]>clk) |
440 | phaseoff = tmpbuff[i+1]-clk; |
441 | else |
442 | phaseoff = 0; |
23f0a7d8 |
443 | i += 2; |
fef74fdc |
444 | if (ASKDemod(tmp2, false, false, 1) < 1) { |
cc15a118 |
445 | save_restoreGB(0); |
446 | return 0; |
447 | } |
23f0a7d8 |
448 | //set DemodBufferLen to just one block |
449 | DemodBufferLen = skip/clk; |
450 | //test parities |
451 | pTest = EM_ByteParityTest(DemodBuffer,DemodBufferLen,5,9,0); |
452 | pTest &= EM_EndParityTest(DemodBuffer,DemodBufferLen,5,9,0); |
453 | AllPTest &= pTest; |
454 | //get output |
cc15a118 |
455 | Code[block] = OutputEM4x50_Block(DemodBuffer,DemodBufferLen,verbose, pTest); |
456 | if (g_debugMode) PrintAndLog("\nskipping %d samples, bits:%d", skip, skip/clk); |
23f0a7d8 |
457 | //skip to start of next block |
458 | snprintf(tmp,sizeof(tmp),"%i",skip); |
459 | CmdLtrim(tmp); |
460 | block++; |
cc15a118 |
461 | if (i >= end) break; //in case chip doesn't output 6 blocks |
23f0a7d8 |
462 | } |
463 | //print full code: |
464 | if (verbose || g_debugMode || AllPTest){ |
49bbc60a |
465 | if (!complete) { |
466 | PrintAndLog("*** Warning!"); |
467 | PrintAndLog("Partial data - no end found!"); |
468 | PrintAndLog("Try again with more samples."); |
469 | } |
cc15a118 |
470 | PrintAndLog("Found data at sample: %i - using clock: %i", start, clk); |
471 | end = block; |
472 | for (block=0; block < end; block++){ |
23f0a7d8 |
473 | PrintAndLog("Block %d: %08x",block,Code[block]); |
474 | } |
49bbc60a |
475 | if (AllPTest) { |
23f0a7d8 |
476 | PrintAndLog("Parities Passed"); |
49bbc60a |
477 | } else { |
23f0a7d8 |
478 | PrintAndLog("Parities Failed"); |
cc15a118 |
479 | PrintAndLog("Try cleaning the read samples with 'data askedge'"); |
49bbc60a |
480 | } |
23f0a7d8 |
481 | } |
482 | |
483 | //restore GraphBuffer |
484 | save_restoreGB(0); |
485 | return (int)AllPTest; |
486 | } |
487 | |
7fe9b0b7 |
488 | int CmdEM4x50Read(const char *Cmd) |
489 | { |
23f0a7d8 |
490 | return EM4x50Read(Cmd, true); |
2d4eae76 |
491 | } |
492 | |
54a942b0 |
493 | int CmdReadWord(const char *Cmd) |
494 | { |
b915fda3 |
495 | int Word = -1; //default to invalid word |
23f0a7d8 |
496 | UsbCommand c; |
497 | |
498 | sscanf(Cmd, "%d", &Word); |
499 | |
b915fda3 |
500 | if ( (Word > 15) | (Word < 0) ) { |
23f0a7d8 |
501 | PrintAndLog("Word must be between 0 and 15"); |
502 | return 1; |
503 | } |
504 | |
505 | PrintAndLog("Reading word %d", Word); |
506 | |
507 | c.cmd = CMD_EM4X_READ_WORD; |
508 | c.d.asBytes[0] = 0x0; //Normal mode |
509 | c.arg[0] = 0; |
510 | c.arg[1] = Word; |
511 | c.arg[2] = 0; |
512 | SendCommand(&c); |
513 | return 0; |
54a942b0 |
514 | } |
515 | |
516 | int CmdReadWordPWD(const char *Cmd) |
517 | { |
b915fda3 |
518 | int Word = -1; //default to invalid word |
23f0a7d8 |
519 | int Password = 0xFFFFFFFF; //default to blank password |
520 | UsbCommand c; |
521 | |
522 | sscanf(Cmd, "%d %x", &Word, &Password); |
523 | |
b915fda3 |
524 | if ( (Word > 15) | (Word < 0) ) { |
23f0a7d8 |
525 | PrintAndLog("Word must be between 0 and 15"); |
526 | return 1; |
527 | } |
528 | |
529 | PrintAndLog("Reading word %d with password %08X", Word, Password); |
530 | |
531 | c.cmd = CMD_EM4X_READ_WORD; |
532 | c.d.asBytes[0] = 0x1; //Password mode |
533 | c.arg[0] = 0; |
534 | c.arg[1] = Word; |
535 | c.arg[2] = Password; |
536 | SendCommand(&c); |
537 | return 0; |
54a942b0 |
538 | } |
539 | |
540 | int CmdWriteWord(const char *Cmd) |
541 | { |
23f0a7d8 |
542 | int Word = 16; //default to invalid block |
543 | int Data = 0xFFFFFFFF; //default to blank data |
544 | UsbCommand c; |
545 | |
546 | sscanf(Cmd, "%x %d", &Data, &Word); |
547 | |
548 | if (Word > 15) { |
549 | PrintAndLog("Word must be between 0 and 15"); |
550 | return 1; |
551 | } |
552 | |
553 | PrintAndLog("Writing word %d with data %08X", Word, Data); |
554 | |
555 | c.cmd = CMD_EM4X_WRITE_WORD; |
556 | c.d.asBytes[0] = 0x0; //Normal mode |
557 | c.arg[0] = Data; |
558 | c.arg[1] = Word; |
559 | c.arg[2] = 0; |
560 | SendCommand(&c); |
561 | return 0; |
54a942b0 |
562 | } |
563 | |
564 | int CmdWriteWordPWD(const char *Cmd) |
565 | { |
23f0a7d8 |
566 | int Word = 16; //default to invalid word |
567 | int Data = 0xFFFFFFFF; //default to blank data |
568 | int Password = 0xFFFFFFFF; //default to blank password |
569 | UsbCommand c; |
570 | |
571 | sscanf(Cmd, "%x %d %x", &Data, &Word, &Password); |
572 | |
573 | if (Word > 15) { |
574 | PrintAndLog("Word must be between 0 and 15"); |
575 | return 1; |
576 | } |
577 | |
578 | PrintAndLog("Writing word %d with data %08X and password %08X", Word, Data, Password); |
579 | |
580 | c.cmd = CMD_EM4X_WRITE_WORD; |
581 | c.d.asBytes[0] = 0x1; //Password mode |
582 | c.arg[0] = Data; |
583 | c.arg[1] = Word; |
584 | c.arg[2] = Password; |
585 | SendCommand(&c); |
586 | return 0; |
54a942b0 |
587 | } |
588 | |
2d4eae76 |
589 | static command_t CommandTable[] = |
7fe9b0b7 |
590 | { |
23f0a7d8 |
591 | {"help", CmdHelp, 1, "This help"}, |
592 | {"em410xdemod", CmdEMdemodASK, 0, "[findone] -- Extract ID from EM410x tag (option 0 for continuous loop, 1 for only 1 tag)"}, |
8e0cf023 |
593 | {"em410xread", CmdEM410xRead, 1, "[clock rate] -- Extract ID from EM410x tag in GraphBuffer"}, |
23f0a7d8 |
594 | {"em410xsim", CmdEM410xSim, 0, "<UID> -- Simulate EM410x tag"}, |
595 | {"em410xwatch", CmdEM410xWatch, 0, "['h'] -- Watches for EM410x 125/134 kHz tags (option 'h' for 134)"}, |
596 | {"em410xspoof", CmdEM410xWatchnSpoof, 0, "['h'] --- Watches for EM410x 125/134 kHz tags, and replays them. (option 'h' for 134)" }, |
8e0cf023 |
597 | {"em410xwrite", CmdEM410xWrite, 0, "<UID> <'0' T5555> <'1' T55x7> [clock rate] -- Write EM410x UID to T5555(Q5) or T55x7 tag, optionally setting clock rate"}, |
23f0a7d8 |
598 | {"em4x50read", CmdEM4x50Read, 1, "Extract data from EM4x50 tag"}, |
599 | {"readword", CmdReadWord, 1, "<Word> -- Read EM4xxx word data"}, |
600 | {"readwordPWD", CmdReadWordPWD, 1, "<Word> <Password> -- Read EM4xxx word data in password mode"}, |
601 | {"writeword", CmdWriteWord, 1, "<Data> <Word> -- Write EM4xxx word data"}, |
602 | {"writewordPWD", CmdWriteWordPWD, 1, "<Data> <Word> <Password> -- Write EM4xxx word data in password mode"}, |
603 | {NULL, NULL, 0, NULL} |
7fe9b0b7 |
604 | }; |
605 | |
4c36581b |
606 | int CmdLFEM4X(const char *Cmd) { |
607 | clearCommandBuffer(); |
23f0a7d8 |
608 | CmdsParse(CommandTable, Cmd); |
609 | return 0; |
7fe9b0b7 |
610 | } |
611 | |
4c36581b |
612 | int CmdHelp(const char *Cmd) { |
23f0a7d8 |
613 | CmdsHelp(CommandTable); |
614 | return 0; |
7fe9b0b7 |
615 | } |