return res & 1;
}
+#define ICLASS_CMD_ACTALL 0x0A
+#define ICLASS_CMD_IDENTIFY 0x0C
+#define ICLASS_CMD_READ 0x0C
+
+#define ICLASS_CMD_SELECT 0x81
+#define ICLASS_CMD_PAGESEL 0x84
+#define ICLASS_CMD_READCHECK 0x88
+#define ICLASS_CMD_CHECK 0x05
+#define ICLASS_CMD_SOF 0x0F
+#define ICLASS_CMD_HALT 0x00
+
+
void explain(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
{
+ if(cmdsize > 1 && cmd[0] == ICLASS_CMD_READ)
+ {
+ snprintf(exp,size,"READ(%d)",cmd[1]);
+ return;
+ }
+
switch(cmd[0])
{
- case 0x0a: snprintf(exp,size,"WUP"); break;
- case 0x0f: snprintf(exp,size,"SOF"); break;
- case 0x0c: snprintf(exp,size,"Read config"); break;
- case 0x81: snprintf(exp,size,"SELECT"); break;
- case 0x88: snprintf(exp,size,"Read E-purse (CC)"); break;
- case 0x05: snprintf(exp,size,"Reader challenge"); break;
- case 0x00: snprintf(exp,size,"End"); break;
- default: snprintf(exp,size,"?"); break;
+ case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break;
+ case ICLASS_CMD_IDENTIFY: snprintf(exp,size,"IDENTIFY"); break;
+ case ICLASS_CMD_SELECT: snprintf(exp,size,"SELECT"); break;
+ case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL"); break;
+ case ICLASS_CMD_READCHECK: snprintf(exp,size,"READCHECK"); break;
+ case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break;
+ case ICLASS_CMD_SOF: snprintf(exp,size,"SOF"); break;
+ case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break;
+ default: snprintf(exp,size,"?"); break;
}
return;
}
int CmdHFiClassList(const char *Cmd)
{
- bool ShowWaitCycles = false;
- char param = param_getchar(Cmd, 0);
-
- if (param != 0) {
- PrintAndLog("List data in trace buffer.");
- PrintAndLog("Usage: hf iclass list");
- PrintAndLog("h - help");
- PrintAndLog("sample: hf iclass list");
- return 0;
- }
-
-// for the time being. Need better Bigbuf handling.
-#define TRACE_SIZE 3000
-
- uint8_t trace[TRACE_SIZE];
- GetFromBigBuf(trace, TRACE_SIZE, 0);
- WaitForResponse(CMD_ACK, NULL);
-
- PrintAndLog("Recorded Activity");
- PrintAndLog("");
- PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
- PrintAndLog("All times are in carrier periods (1/13.56Mhz)");
- PrintAndLog("");
- PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Explanation|");
- PrintAndLog("-----------|-----------|-----|-------------------------------------------------------------------------------------");
-
- uint16_t tracepos = 0;
- uint16_t duration;
- uint16_t data_len;
- uint16_t parity_len;
- bool isResponse;
- uint32_t timestamp;
- uint32_t first_timestamp;
- uint32_t EndOfTransmissionTimestamp;
- char explanation[20] = {0};
- for (;;) {
-
- if(tracepos >= TRACE_SIZE) {
- break;
- }
-
- timestamp = *((uint32_t *)(trace + tracepos));
- if(tracepos == 0) {
- first_timestamp = timestamp;
- }
-
- // Break and stick with current result if buffer was not completely full
- if (timestamp == 0x44444444) break;
-
- tracepos += 4;
- duration = *((uint16_t *)(trace + tracepos));
- tracepos += 2;
- data_len = *((uint16_t *)(trace + tracepos));
- tracepos += 2;
-
- if (data_len & 0x8000) {
- data_len &= 0x7fff;
- isResponse = true;
- } else {
- isResponse = false;
- }
-
- parity_len = (data_len-1)/8 + 1;
-
- if (tracepos + data_len + parity_len >= TRACE_SIZE) {
- break;
- }
-
- uint8_t *frame = trace + tracepos;
- tracepos += data_len;
- uint8_t *parityBytes = trace + tracepos;
- tracepos += parity_len;
-
- char line[16][110];
- for (int j = 0; j < data_len; j++) {
- int oddparity = 0x01;
- int k;
-
- for (k=0;k<8;k++) {
- oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
- }
-
- uint8_t parityBits = parityBytes[j>>3];
- if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
- sprintf(line[j/16]+((j%16)*4), "%02x! ", frame[j]);
- } else {
- sprintf(line[j/16]+((j%16)*4), "%02x ", frame[j]);
- }
-
- }
-
- char *crc = " ";
- if (data_len > 2) {
- uint8_t b1, b2;
- if(!isResponse && data_len == 4 ) {
- // Rough guess that this is a command from the reader
- // For iClass the command byte is not part of the CRC
- ComputeCrc14443(CRC_ICLASS, &frame[1], data_len-3, &b1, &b2);
- if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
- crc = "!crc";
- }
- }
- else {
- // For other data.. CRC might not be applicable (UPDATE commands etc.)
- ComputeCrc14443(CRC_ICLASS, frame, data_len-2, &b1, &b2);
- if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
- crc = "!crc";
- }
- }
- }
-
- EndOfTransmissionTimestamp = timestamp + duration;
- explain(explanation,sizeof(explanation),frame,data_len);
- int num_lines = (data_len - 1)/16 + 1;
- for (int j = 0; j < num_lines; j++) {
- if (j == 0) {
- PrintAndLog(" %9d | %9d | %s | %-64s| %s| %s",
- (timestamp - first_timestamp),
- (EndOfTransmissionTimestamp - first_timestamp),
- (isResponse ? "Tag" : "Rdr"),
- line[j],
- (j == num_lines-1)?crc:" ",
- explanation);
- } else {
- PrintAndLog(" | | | %-64s| %s",
- line[j],
- (j == num_lines-1)?crc:" ");
- }
- }
-
- bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000;
-
- if (ShowWaitCycles && !isResponse && next_isResponse) {
- uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
- if (next_timestamp != 0x44444444) {
- PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d",
- (EndOfTransmissionTimestamp - first_timestamp),
- (next_timestamp - first_timestamp),
- " ",
- (next_timestamp - EndOfTransmissionTimestamp));
- }
- }
-
- }
-
+ PrintAndLog("Deprecated command, use 'hf list iclass' instead");
return 0;
}
UsbCommand c = {CMD_READER_ICLASS, {0}};
- c.arg[0] = FLAG_ICLASS_READER_ONLY_ONCE;
+ c.arg[0] = FLAG_ICLASS_READER_ONLY_ONCE| FLAG_ICLASS_READER_GET_CC;
if(!fake_dummy_test)
SendCommand(&c);
static command_t CommandTable[] =
{
{"help", CmdHelp, 1, "This help"},
- {"list", CmdHFiClassList, 0, "List iClass history"},
+ {"list", CmdHFiClassList, 0, "[Deprecated] List iClass history"},
{"snoop", CmdHFiClassSnoop, 0, "Eavesdrop iClass communication"},
{"sim", CmdHFiClassSim, 0, "Simulate iClass tag"},
{"reader",CmdHFiClassReader, 0, "Read an iClass tag"},
projects / proxmark3-svn / blobdiff