// High frequency commands
//-----------------------------------------------------------------------------
+#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "proxmark3.h"
-#include "graph.h"
+#include "util.h"
+#include "data.h"
#include "ui.h"
+#include "iso14443crc.h"
+#include "cmdmain.h"
#include "cmdparser.h"
#include "cmdhf.h"
#include "cmdhf14a.h"
#include "cmdhficlass.h"
#include "cmdhfmf.h"
#include "cmdhfmfu.h"
+#include "cmdhftopaz.h"
#include "protocols.h"
static int CmdHelp(const char *Cmd);
}
}
+
+void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+ switch(cmd[0]) {
+ case TOPAZ_REQA :snprintf(exp, size, "REQA");break;
+ case TOPAZ_WUPA :snprintf(exp, size, "WUPA");break;
+ case TOPAZ_RID :snprintf(exp, size, "RID");break;
+ case TOPAZ_RALL :snprintf(exp, size, "RALL");break;
+ case TOPAZ_READ :snprintf(exp, size, "READ");break;
+ case TOPAZ_WRITE_E :snprintf(exp, size, "WRITE-E");break;
+ case TOPAZ_WRITE_NE :snprintf(exp, size, "WRITE-NE");break;
+ case TOPAZ_RSEG :snprintf(exp, size, "RSEG");break;
+ case TOPAZ_READ8 :snprintf(exp, size, "READ8");break;
+ case TOPAZ_WRITE_E8 :snprintf(exp, size, "WRITE-E8");break;
+ case TOPAZ_WRITE_NE8 :snprintf(exp, size, "WRITE-NE8");break;
+ default: snprintf(exp,size,"?"); break;
+ }
+}
+
+
/**
06 00 = INITIATE
0E xx = SELECT ID (xx = Chip-ID)
}
/**
- * @brief iso14443B_CRC_Ok Checks CRC in command or response
+ * @brief iso14443A_CRC_check Checks CRC in command or response
+ * @param isResponse
+ * @param data
+ * @param len
+ * @return 0 : CRC-command, CRC not ok
+ * 1 : CRC-command, CRC ok
+ * 2 : Not crc-command
+ */
+
+uint8_t iso14443A_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
+{
+ uint8_t b1,b2;
+
+ if(len <= 2) return 2;
+
+ if(isResponse & (len < 6)) return 2;
+
+ ComputeCrc14443(CRC_14443_A, data, len-2, &b1, &b2);
+ if (b1 != data[len-2] || b2 != data[len-1]) {
+ return 0;
+ } else {
+ return 1;
+ }
+}
+
+
+/**
+ * @brief iso14443B_CRC_check Checks CRC in command or response
* @param isResponse
* @param data
* @param len
ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
if(b1 != data[len-2] || b2 != data[len-1]) {
- return 0;
+ return 0;
+ } else {
+ return 1;
}
- return 1;
}
/**
}
}
-uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles)
+
+bool is_last_record(uint16_t tracepos, uint8_t *trace, uint16_t traceLen)
{
- bool isResponse;
- uint16_t duration, data_len, parity_len;
+ return(tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) >= traceLen);
+}
+
+
+bool next_record_is_response(uint16_t tracepos, uint8_t *trace)
+{
+ uint16_t next_records_datalen = *((uint16_t *)(trace + tracepos + sizeof(uint32_t) + sizeof(uint16_t)));
+
+ return(next_records_datalen & 0x8000);
+}
+
+
+bool merge_topaz_reader_frames(uint32_t timestamp, uint32_t *duration, uint16_t *tracepos, uint16_t traceLen, uint8_t *trace, uint8_t *frame, uint8_t *topaz_reader_command, uint16_t *data_len)
+{
+
+#define MAX_TOPAZ_READER_CMD_LEN 16
+
+ uint32_t last_timestamp = timestamp + *duration;
+
+ if ((*data_len != 1) || (frame[0] == TOPAZ_WUPA) || (frame[0] == TOPAZ_REQA)) return false;
+
+ memcpy(topaz_reader_command, frame, *data_len);
+
+ while (!is_last_record(*tracepos, trace, traceLen) && !next_record_is_response(*tracepos, trace)) {
+ uint32_t next_timestamp = *((uint32_t *)(trace + *tracepos));
+ *tracepos += sizeof(uint32_t);
+ uint16_t next_duration = *((uint16_t *)(trace + *tracepos));
+ *tracepos += sizeof(uint16_t);
+ uint16_t next_data_len = *((uint16_t *)(trace + *tracepos)) & 0x7FFF;
+ *tracepos += sizeof(uint16_t);
+ uint8_t *next_frame = (trace + *tracepos);
+ *tracepos += next_data_len;
+ if ((next_data_len == 1) && (*data_len + next_data_len <= MAX_TOPAZ_READER_CMD_LEN)) {
+ memcpy(topaz_reader_command + *data_len, next_frame, next_data_len);
+ *data_len += next_data_len;
+ last_timestamp = next_timestamp + next_duration;
+ } else {
+ // rewind and exit
+ *tracepos = *tracepos - next_data_len - sizeof(uint16_t) - sizeof(uint16_t) - sizeof(uint32_t);
+ break;
+ }
+ uint16_t next_parity_len = (next_data_len-1)/8 + 1;
+ *tracepos += next_parity_len;
+ }
+
+ *duration = last_timestamp - timestamp;
+
+ return true;
+}
+
+uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles, bool markCRCBytes)
+{
+ bool isResponse;
+ uint16_t data_len, parity_len;
+ uint32_t duration;
+ uint8_t topaz_reader_command[9];
uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
char explanation[30] = {0};
uint8_t *parityBytes = trace + tracepos;
tracepos += parity_len;
+ if (protocol == TOPAZ && !isResponse) {
+ // topaz reader commands come in 1 or 9 separate frames with 7 or 8 Bits each.
+ // merge them:
+ if (merge_topaz_reader_frames(timestamp, &duration, &tracepos, traceLen, trace, frame, topaz_reader_command, &data_len)) {
+ frame = topaz_reader_command;
+ }
+ }
+
//Check the CRC status
uint8_t crcStatus = 2;
if (data_len > 2) {
- uint8_t b1, b2;
- if(protocol == ICLASS)
- {
- crcStatus = iclass_CRC_check(isResponse, frame, data_len);
-
- }else if (protocol == ISO_14443B)
- {
- crcStatus = iso14443B_CRC_check(isResponse, frame, data_len);
- }
- else if (protocol == ISO_14443A){//Iso 14443a
-
- ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2);
-
- if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
- if(!(isResponse & (data_len < 6)))
- {
- crcStatus = 0;
- }
- }
+ switch (protocol) {
+ case ICLASS:
+ crcStatus = iclass_CRC_check(isResponse, frame, data_len);
+ break;
+ case ISO_14443B:
+ case TOPAZ:
+ crcStatus = iso14443B_CRC_check(isResponse, frame, data_len);
+ break;
+ case ISO_14443A:
+ crcStatus = iso14443A_CRC_check(isResponse, frame, data_len);
+ break;
+ default:
+ break;
}
}
//0 CRC-command, CRC not ok
uint8_t parityBits = parityBytes[j>>3];
if (protocol != ISO_14443B && (isResponse || protocol == ISO_14443A) && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]);
-
} else {
- snprintf(line[j/16]+(( j % 16) * 4),110, "%02x ", frame[j]);
+ snprintf(line[j/16]+(( j % 16) * 4), 110, " %02x ", frame[j]);
}
}
- if(crcStatus == 1)
- {//CRC-command
- char *pos1 = line[(data_len-2)/16]+(((data_len-2) % 16) * 4)-1;
- (*pos1) = '[';
- char *pos2 = line[(data_len)/16]+(((data_len) % 16) * 4)-2;
- (*pos2) = ']';
+
+ if (markCRCBytes) {
+ if(crcStatus == 0 || crcStatus == 1)
+ {//CRC-command
+ char *pos1 = line[(data_len-2)/16]+(((data_len-2) % 16) * 4);
+ (*pos1) = '[';
+ char *pos2 = line[(data_len)/16]+(((data_len) % 16) * 4);
+ sprintf(pos2, "%c", ']');
+ }
}
+
if(data_len == 0)
{
if(data_len == 0){
if(!isResponse)
{
- if(protocol == ICLASS)
- annotateIclass(explanation,sizeof(explanation),frame,data_len);
- else if (protocol == ISO_14443A)
- annotateIso14443a(explanation,sizeof(explanation),frame,data_len);
- else if(protocol == ISO_14443B)
- annotateIso14443b(explanation,sizeof(explanation),frame,data_len);
+ switch(protocol) {
+ case ICLASS: annotateIclass(explanation,sizeof(explanation),frame,data_len); break;
+ case ISO_14443A: annotateIso14443a(explanation,sizeof(explanation),frame,data_len); break;
+ case ISO_14443B: annotateIso14443b(explanation,sizeof(explanation),frame,data_len); break;
+ case TOPAZ: annotateTopaz(explanation,sizeof(explanation),frame,data_len); break;
+ default: break;
+ }
}
int num_lines = MIN((data_len - 1)/16 + 1, 16);
for (int j = 0; j < num_lines ; j++) {
if (j == 0) {
- PrintAndLog(" %9d | %9d | %s | %-64s| %s| %s",
+ PrintAndLog(" %10d | %10d | %s |%-64s | %s| %s",
(timestamp - first_timestamp),
(EndOfTransmissionTimestamp - first_timestamp),
(isResponse ? "Tag" : "Rdr"),
(j == num_lines-1) ? crc : " ",
(j == num_lines-1) ? explanation : "");
} else {
- PrintAndLog(" | | | %-64s| %s| %s",
+ PrintAndLog(" | | |%-64s | %s| %s",
line[j],
- (j == num_lines-1)?crc:" ",
+ (j == num_lines-1) ? crc : " ",
(j == num_lines-1) ? explanation : "");
}
}
- if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
+ if (is_last_record(tracepos, trace, traceLen)) return traceLen;
- bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000;
-
- if (showWaitCycles && !isResponse && next_isResponse) {
+ if (showWaitCycles && !isResponse && next_record_is_response(tracepos, trace)) {
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(" %9d | %9d | %s | fdt (Frame Delay Time): %d",
+ (EndOfTransmissionTimestamp - first_timestamp),
+ (next_timestamp - first_timestamp),
+ " ",
+ (next_timestamp - EndOfTransmissionTimestamp));
}
return tracepos;
int CmdHFList(const char *Cmd)
{
bool showWaitCycles = false;
+ bool markCRCBytes = false;
char type[40] = {0};
int tlen = param_getstr(Cmd,0,type);
- char param = param_getchar(Cmd, 1);
+ char param1 = param_getchar(Cmd, 1);
+ char param2 = param_getchar(Cmd, 2);
bool errors = false;
uint8_t protocol = 0;
//Validate params
- if(tlen == 0)
- {
+
+ if(tlen == 0) {
errors = true;
}
- if(param == 'h' || (param !=0 && param != 'f'))
- {
+
+ if(param1 == 'h'
+ || (param1 != 0 && param1 != 'f' && param1 != 'c')
+ || (param2 != 0 && param2 != 'f' && param2 != 'c')) {
errors = true;
}
- if(!errors)
- {
- if(strcmp(type, "iclass") == 0)
- {
+
+ if(!errors) {
+ if(strcmp(type, "iclass") == 0) {
protocol = ICLASS;
- }else if(strcmp(type, "14a") == 0)
- {
+ } else if(strcmp(type, "14a") == 0) {
protocol = ISO_14443A;
- }
- else if(strcmp(type, "14b") == 0)
- {
+ } else if(strcmp(type, "14b") == 0) {
protocol = ISO_14443B;
- }else if(strcmp(type,"raw")== 0)
- {
+ } else if(strcmp(type,"topaz")== 0) {
+ protocol = TOPAZ;
+ } else if(strcmp(type,"raw")== 0) {
protocol = -1;//No crc, no annotations
- }else{
+ } else {
errors = true;
}
}
if (errors) {
PrintAndLog("List protocol data in trace buffer.");
- PrintAndLog("Usage: hf list <protocol> [f]");
+ PrintAndLog("Usage: hf list <protocol> [f][c]");
PrintAndLog(" f - show frame delay times as well");
+ PrintAndLog(" c - mark CRC bytes");
PrintAndLog("Supported <protocol> values:");
PrintAndLog(" raw - just show raw data without annotations");
PrintAndLog(" 14a - interpret data as iso14443a communications");
PrintAndLog(" 14b - interpret data as iso14443b communications");
PrintAndLog(" iclass - interpret data as iclass communications");
+ PrintAndLog(" topaz - interpret data as topaz communications");
PrintAndLog("");
PrintAndLog("example: hf list 14a f");
PrintAndLog("example: hf list iclass");
}
- if (param == 'f') {
+ if (param1 == 'f' || param2 == 'f') {
showWaitCycles = true;
}
+ if (param1 == 'c' || param2 == 'c') {
+ markCRCBytes = true;
+ }
uint8_t *trace;
uint16_t tracepos = 0;
PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
PrintAndLog("iClass - Timings are not as accurate");
PrintAndLog("");
- PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |");
- PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------|-----|--------------------|");
+ PrintAndLog(" Start | End | Src | Data (! denotes parity error) | CRC | Annotation |");
+ PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|");
while(tracepos < traceLen)
{
- tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles);
+ tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles, markCRCBytes);
}
free(trace);
return 0;
}
+int CmdHFSnoop(const char *Cmd)
+{
+ char * pEnd;
+ UsbCommand c = {CMD_HF_SNIFFER, {strtol(Cmd, &pEnd,0),strtol(pEnd, &pEnd,0),0}};
+ SendCommand(&c);
+ return 0;
+}
+
static command_t CommandTable[] =
{
- {"help", CmdHelp, 1, "This help"},
- {"14a", CmdHF14A, 1, "{ ISO14443A RFIDs... }"},
- {"14b", CmdHF14B, 1, "{ ISO14443B RFIDs... }"},
- {"15", CmdHF15, 1, "{ ISO15693 RFIDs... }"},
- {"epa", CmdHFEPA, 1, "{ German Identification Card... }"},
- {"legic", CmdHFLegic, 0, "{ LEGIC RFIDs... }"},
- {"iclass", CmdHFiClass, 1, "{ ICLASS RFIDs... }"},
- {"mf", CmdHFMF, 1, "{ MIFARE RFIDs... }"},
- {"mfu", CmdHFMFUltra, 1, "{ MIFARE Ultralight RFIDs... }"},
- {"tune", CmdHFTune, 0, "Continuously measure HF antenna tuning"},
- {"list", CmdHFList, 1, "List protocol data in trace buffer"},
- {"search", CmdHFSearch, 1, "Search for known HF tags [preliminary]"},
- {NULL, NULL, 0, NULL}
+ {"help", CmdHelp, 1, "This help"},
+ {"14a", CmdHF14A, 1, "{ ISO14443A RFIDs... }"},
+ {"14b", CmdHF14B, 1, "{ ISO14443B RFIDs... }"},
+ {"15", CmdHF15, 1, "{ ISO15693 RFIDs... }"},
+ {"epa", CmdHFEPA, 1, "{ German Identification Card... }"},
+ {"legic", CmdHFLegic, 0, "{ LEGIC RFIDs... }"},
+ {"iclass", CmdHFiClass, 1, "{ ICLASS RFIDs... }"},
+ {"mf", CmdHFMF, 1, "{ MIFARE RFIDs... }"},
+ {"mfu", CmdHFMFUltra, 1, "{ MIFARE Ultralight RFIDs... }"},
+ {"topaz", CmdHFTopaz, 1, "{ TOPAZ (NFC Type 1) RFIDs... }"},
+ {"tune", CmdHFTune, 0, "Continuously measure HF antenna tuning"},
+ {"list", CmdHFList, 1, "List protocol data in trace buffer"},
+ {"search", CmdHFSearch, 1, "Search for known HF tags [preliminary]"},
+ {"snoop", CmdHFSnoop, 0, "<samples to skip (10000)> <triggers to skip (1)> Generic HF Snoop"},
+ {NULL, NULL, 0, NULL}
};
int CmdHF(const char *Cmd)
projects / proxmark3-svn / blobdiff