//-----------------------------------------------------------------------------
// Copyright (C) 2018 iceman <iceman at iuse.se>
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
// Trace commands
//-----------------------------------------------------------------------------
#include "cmdtrace.h"
static int CmdHelp(const char *Cmd);
// trace pointer
static uint8_t *trace;
long traceLen = 0;
static int usage_trace_list() {
PrintAndLogEx(NORMAL, "List protocol data in trace buffer.");
PrintAndLogEx(NORMAL, "Usage: trace list <protocol> [f][c| <0|1>");
PrintAndLogEx(NORMAL, " f - show frame delay times as well");
PrintAndLogEx(NORMAL, " c - mark CRC bytes");
PrintAndLogEx(NORMAL, " x - show hexdump to convert to pcap(ng) or to import into Wireshark using encapsulation type \"ISO 14443\"");
PrintAndLogEx(NORMAL, " syntax to use: `text2pcap -t \"%%S.\" -l 264 -n <input-text-file> <output-pcapng-file>`");
PrintAndLogEx(NORMAL, " <0|1> - use data from Tracebuffer, if not set, try reading data from tag.");
PrintAndLogEx(NORMAL, "Supported <protocol> values:");
PrintAndLogEx(NORMAL, " raw - just show raw data without annotations");
PrintAndLogEx(NORMAL, " 14a - interpret data as iso14443a communications");
PrintAndLogEx(NORMAL, " thinfilm - interpret data as Thinfilm communications");
PrintAndLogEx(NORMAL, " topaz - interpret data as Topaz communications");
PrintAndLogEx(NORMAL, " mf - interpret data as iso14443a communications and decrypt crypto1 stream");
PrintAndLogEx(NORMAL, " des - interpret data as DESFire communications");
PrintAndLogEx(NORMAL, " 14b - interpret data as iso14443b communications");
PrintAndLogEx(NORMAL, " 7816 - interpret data as iso7816-4 communications");
PrintAndLogEx(NORMAL, " 15 - interpret data as iso15693 communications");
PrintAndLogEx(NORMAL, " iclass - interpret data as iclass communications");
PrintAndLogEx(NORMAL, " legic - interpret data as LEGIC communications");
PrintAndLogEx(NORMAL, " felica - interpret data as ISO18092 / FeliCa communications");
PrintAndLogEx(NORMAL, " hitag - interpret data as Hitag2 / HitagS communications");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " trace list 14a f");
PrintAndLogEx(NORMAL, " trace list iclass");
return 0;
}
static int usage_trace_load() {
PrintAndLogEx(NORMAL, "Load protocol data from file to trace buffer.");
PrintAndLogEx(NORMAL, "Usage: trace load <filename>");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " trace load mytracefile.bin");
return 0;
}
static int usage_trace_save() {
PrintAndLogEx(NORMAL, "Save protocol data from trace buffer to file.");
PrintAndLogEx(NORMAL, "Usage: trace save <filename>");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " trace save mytracefile.bin");
return 0;
}
static bool is_last_record(uint16_t tracepos, uint8_t *trace, uint16_t traceLen) {
return (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) >= traceLen);
}
static 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) == 0x8000);
}
static 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;
}
static uint16_t printHexLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol) {
// sanity check
if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
bool isResponse;
uint16_t data_len, parity_len;
uint32_t timestamp;
timestamp = *((uint32_t *)(trace + tracepos));
tracepos += 4;
// currently we don't use duration, so we skip it
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 > traceLen) {
return traceLen;
}
uint8_t *frame = trace + tracepos;
tracepos += data_len;
//currently we don't use parity bytes, so we skip it
tracepos += parity_len;
if (data_len == 0) {
PrintAndLogEx(NORMAL, "<empty trace - possible error>");
return tracepos;
}
switch (protocol) {
case ISO_14443A: {
/* https://www.kaiser.cx/pcap-iso14443.html defines a pseudo header:
* version (currently 0x00), event (Rdr: 0xfe, Tag: 0xff), length (2 bytes)
* to convert to pcap(ng) via text2pcap or to import into Wireshark
* we use format timestamp, newline, offset (0x000000), pseudo header, data
* `text2pcap -t "%S." -l 264 -n <input-text-file> <output-pcapng-file>`
*/
char line[(data_len * 3) + 1];
char *ptr = &line[0];
for (int j = 0; j < data_len ; j++) {
ptr += sprintf(ptr, "%02x", frame[j]);
ptr += sprintf(ptr, " ");
}
char data_len_str[5];
char temp_str1[3] = {0};
char temp_str2[3] = {0};
sprintf(data_len_str, "%04x", data_len);
strncat(temp_str1, data_len_str, 2);
temp_str1[2] = '\0';
strncat(temp_str2, data_len_str + 2, 2);
temp_str2[2] = '\0';
PrintAndLogEx(NORMAL, "0.%010u", timestamp);
PrintAndLogEx(NORMAL, "000000 00 %s %s %s %s",
(isResponse ? "ff" : "fe"),
temp_str1,
temp_str2,
line);
return tracepos;
}
default:
PrintAndLogEx(NORMAL, "Currently only 14a supported");
return traceLen;
}
if (is_last_record(tracepos, trace, traceLen)) return traceLen;
return tracepos;
}
static uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles, bool markCRCBytes) {
// sanity check
if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
bool isResponse;
uint16_t data_len, parity_len;
uint32_t duration, timestamp, first_timestamp, EndOfTransmissionTimestamp;
uint8_t topaz_reader_command[9];
char explanation[30] = {0};
uint8_t mfData[32] = {0};
size_t mfDataLen = 0;
first_timestamp = *((uint32_t *)(trace));
timestamp = *((uint32_t *)(trace + tracepos));
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 > traceLen) {
return traceLen;
}
uint8_t *frame = trace + tracepos;
tracepos += data_len;
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) {
switch (protocol) {
case ICLASS:
crcStatus = iclass_CRC_check(isResponse, frame, data_len);
break;
case ISO_14443B:
case TOPAZ:
case FELICA:
crcStatus = iso14443B_CRC_check(frame, data_len);
break;
case PROTO_MIFARE:
crcStatus = mifare_CRC_check(isResponse, frame, data_len);
break;
case ISO_14443A:
case MFDES:
crcStatus = iso14443A_CRC_check(isResponse, frame, data_len);
break;
case THINFILM:
frame[data_len - 1] ^= frame[data_len - 2];
frame[data_len - 2] ^= frame[data_len - 1];
frame[data_len - 1] ^= frame[data_len - 2];
crcStatus = iso14443A_CRC_check(true, frame, data_len);
frame[data_len - 1] ^= frame[data_len - 2];
frame[data_len - 2] ^= frame[data_len - 1];
frame[data_len - 1] ^= frame[data_len - 2];
break;
case ISO_15693:
crcStatus = iso15693_CRC_check(frame, data_len);
break;
case ISO_7816_4:
case PROTO_HITAG:
default:
break;
}
}
//0 CRC-command, CRC not ok
//1 CRC-command, CRC ok
//2 Not crc-command
//--- Draw the data column
char line[18][110] = {{0}};
for (int j = 0; j < data_len && j / 18 < 18; j++) {
uint8_t parityBits = parityBytes[j >> 3];
if (protocol != LEGIC
&& protocol != ISO_14443B
&& protocol != ISO_7816_4
&& protocol != PROTO_HITAG
&& protocol != THINFILM
&& (isResponse || protocol == ISO_14443A)
&& (oddparity8(frame[j]) != ((parityBits >> (7 - (j & 0x0007))) & 0x01))) {
snprintf(line[j / 18] + ((j % 18) * 4), 110, "%02x! ", frame[j]);
} else {
snprintf(line[j / 18] + ((j % 18) * 4), 110, "%02x ", frame[j]);
}
}
if (markCRCBytes) {
//CRC-command
if (crcStatus == 0 || crcStatus == 1) {
char *pos1 = line[(data_len - 2) / 18] + (((data_len - 2) % 18) * 4);
(*pos1) = '[';
char *pos2 = line[(data_len) / 18] + (((data_len) % 18) * 4);
sprintf(pos2, "%c", ']');
}
}
if (data_len == 0) {
sprintf(line[0], "<empty trace - possible error>");
return tracepos;
}
// Draw the CRC column
const char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : " "));
EndOfTransmissionTimestamp = timestamp + duration;
// Always annotate LEGIC read/tag
if (protocol == LEGIC)
annotateLegic(explanation, sizeof(explanation), frame, data_len);
if (protocol == PROTO_MIFARE)
annotateMifare(explanation, sizeof(explanation), frame, data_len, parityBytes, parity_len, isResponse);
if (!isResponse) {
switch (protocol) {
case ICLASS:
annotateIclass(explanation, sizeof(explanation), frame, data_len);
break;
case ISO_14443A:
annotateIso14443a(explanation, sizeof(explanation), frame, data_len);
break;
case MFDES:
annotateMfDesfire(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;
case ISO_7816_4:
annotateIso7816(explanation, sizeof(explanation), frame, data_len);
break;
case ISO_15693:
annotateIso15693(explanation, sizeof(explanation), frame, data_len);
break;
case FELICA:
annotateFelica(explanation, sizeof(explanation), frame, data_len);
break;
default:
break;
}
}
int num_lines = MIN((data_len - 1) / 18 + 1, 18);
for (int j = 0; j < num_lines ; j++) {
if (j == 0) {
PrintAndLogEx(NORMAL, " %10u | %10u | %s |%-72s | %s| %s",
(timestamp - first_timestamp),
(EndOfTransmissionTimestamp - first_timestamp),
(isResponse ? "Tag" : "Rdr"),
line[j],
(j == num_lines - 1) ? crc : " ",
(j == num_lines - 1) ? explanation : "");
} else {
PrintAndLogEx(NORMAL, " | | |%-72s | %s| %s",
line[j],
(j == num_lines - 1) ? crc : " ",
(j == num_lines - 1) ? explanation : "");
}
}
if (DecodeMifareData(frame, data_len, parityBytes, isResponse, mfData, &mfDataLen)) {
memset(explanation, 0x00, sizeof(explanation));
if (!isResponse) {
annotateIso14443a(explanation, sizeof(explanation), mfData, mfDataLen);
}
uint8_t crcc = iso14443A_CRC_check(isResponse, mfData, mfDataLen);
PrintAndLogEx(NORMAL, " | | * |%-72s | %-4s| %s",
sprint_hex_inrow_spaces(mfData, mfDataLen, 2),
(crcc == 0 ? "!crc" : (crcc == 1 ? " ok " : " ")),
explanation);
};
if (is_last_record(tracepos, trace, traceLen)) return traceLen;
if (showWaitCycles && !isResponse && next_record_is_response(tracepos, trace)) {
uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
PrintAndLogEx(NORMAL, " %10u | %10u | %s |fdt (Frame Delay Time): %d",
(EndOfTransmissionTimestamp - first_timestamp),
(next_timestamp - first_timestamp),
" ",
(next_timestamp - EndOfTransmissionTimestamp));
}
return tracepos;
}
static void printFelica(uint16_t traceLen, uint8_t *trace) {
PrintAndLogEx(NORMAL, "ISO18092 / FeliCa - Timings are not as accurate");
PrintAndLogEx(NORMAL, " Gap | Src | Data | CRC | Annotation |");
PrintAndLogEx(NORMAL, "--------|-----|---------------------------------|----------|-------------------|");
uint16_t tracepos = 0;
while (tracepos < traceLen) {
if (tracepos + 3 >= traceLen) break;
uint16_t gap = *((uint16_t *)(trace + tracepos));
uint8_t crc_ok = trace[tracepos + 2];
tracepos += 3;
if (tracepos + 3 >= traceLen) break;
uint16_t len = trace[tracepos + 2];
//I am stripping SYNC
tracepos += 3; //skip SYNC
if (tracepos + len + 1 >= traceLen) break;
uint8_t cmd = trace[tracepos];
uint8_t isResponse = cmd & 1;
char line[32][110] = {{0}};
for (int j = 0; j < len + 1 && j / 8 < 32; j++) {
snprintf(line[j / 8] + ((j % 8) * 4), 110, " %02x ", trace[tracepos + j]);
}
char expbuf[50];
switch (cmd) {
case FELICA_POLL_REQ:
snprintf(expbuf, 49, "Poll Req");
break;
case FELICA_POLL_ACK:
snprintf(expbuf, 49, "Poll Resp");
break;
case FELICA_REQSRV_REQ:
snprintf(expbuf, 49, "Request Srvc Req");
break;
case FELICA_REQSRV_ACK:
snprintf(expbuf, 49, "Request Srv Resp");
break;
case FELICA_RDBLK_REQ:
snprintf(expbuf, 49, "Read block(s) Req");
break;
case FELICA_RDBLK_ACK:
snprintf(expbuf, 49, "Read block(s) Resp");
break;
case FELICA_WRTBLK_REQ:
snprintf(expbuf, 49, "Write block(s) Req");
break;
case FELICA_WRTBLK_ACK:
snprintf(expbuf, 49, "Write block(s) Resp");
break;
case FELICA_SRCHSYSCODE_REQ:
snprintf(expbuf, 49, "Search syscode Req");
break;
case FELICA_SRCHSYSCODE_ACK:
snprintf(expbuf, 49, "Search syscode Resp");
break;
case FELICA_REQSYSCODE_REQ:
snprintf(expbuf, 49, "Request syscode Req");
break;
case FELICA_REQSYSCODE_ACK:
snprintf(expbuf, 49, "Request syscode Resp");
break;
case FELICA_AUTH1_REQ:
snprintf(expbuf, 49, "Auth1 Req");
break;
case FELICA_AUTH1_ACK:
snprintf(expbuf, 49, "Auth1 Resp");
break;
case FELICA_AUTH2_REQ:
snprintf(expbuf, 49, "Auth2 Req");
break;
case FELICA_AUTH2_ACK:
snprintf(expbuf, 49, "Auth2 Resp");
break;
case FELICA_RDSEC_REQ:
snprintf(expbuf, 49, "Secure read Req");
break;
case FELICA_RDSEC_ACK:
snprintf(expbuf, 49, "Secure read Resp");
break;
case FELICA_WRTSEC_REQ:
snprintf(expbuf, 49, "Secure write Req");
break;
case FELICA_WRTSEC_ACK:
snprintf(expbuf, 49, "Secure write Resp");
break;
case FELICA_REQSRV2_REQ:
snprintf(expbuf, 49, "Request Srvc v2 Req");
break;
case FELICA_REQSRV2_ACK:
snprintf(expbuf, 49, "Request Srvc v2 Resp");
break;
case FELICA_GETSTATUS_REQ:
snprintf(expbuf, 49, "Get status Req");
break;
case FELICA_GETSTATUS_ACK:
snprintf(expbuf, 49, "Get status Resp");
break;
case FELICA_OSVER_REQ:
snprintf(expbuf, 49, "Get OS Version Req");
break;
case FELICA_OSVER_ACK:
snprintf(expbuf, 49, "Get OS Version Resp");
break;
case FELICA_RESET_MODE_REQ:
snprintf(expbuf, 49, "Reset mode Req");
break;
case FELICA_RESET_MODE_ACK:
snprintf(expbuf, 49, "Reset mode Resp");
break;
case FELICA_AUTH1V2_REQ:
snprintf(expbuf, 49, "Auth1 v2 Req");
break;
case FELICA_AUTH1V2_ACK:
snprintf(expbuf, 49, "Auth1 v2 Resp");
break;
case FELICA_AUTH2V2_REQ:
snprintf(expbuf, 49, "Auth2 v2 Req");
break;
case FELICA_AUTH2V2_ACK:
snprintf(expbuf, 49, "Auth2 v2 Resp");
break;
case FELICA_RDSECV2_REQ:
snprintf(expbuf, 49, "Secure read v2 Req");
break;
case FELICA_RDSECV2_ACK:
snprintf(expbuf, 49, "Secure read v2 Resp");
break;
case FELICA_WRTSECV2_REQ:
snprintf(expbuf, 49, "Secure write v2 Req");
break;
case FELICA_WRTSECV2_ACK:
snprintf(expbuf, 49, "Secure write v2 Resp");
break;
case FELICA_UPDATE_RNDID_REQ:
snprintf(expbuf, 49, "Update IDr Req");
break;
case FELICA_UPDATE_RNDID_ACK:
snprintf(expbuf, 49, "Update IDr Resp");
break;
default:
snprintf(expbuf, 49, "Unknown");
break;
}
int num_lines = MIN((len) / 16 + 1, 16);
for (int j = 0; j < num_lines ; j++) {
if (j == 0) {
PrintAndLogEx(NORMAL, "%7d | %s |%-32s |%02x %02x %s| %s",
gap,
(isResponse ? "Tag" : "Rdr"),
line[j],
trace[tracepos + len],
trace[tracepos + len + 1],
(crc_ok) ? "OK" : "NG",
expbuf);
} else {
PrintAndLogEx(NORMAL, " | |%-32s | | ", line[j]);
}
}
tracepos += len + 1;
}
PrintAndLogEx(NORMAL, "");
}
// sanity check. Don't use proxmark if it is offline and you didn't specify useTraceBuffer
/*
static int SanityOfflineCheck( bool useTraceBuffer ){
if ( !useTraceBuffer && offline) {
PrintAndLogEx(NORMAL, "Your proxmark3 device is offline. Specify [1] to use TraceBuffer data instead");
return 0;
}
return 1;
}
*/
static int CmdTraceLoad(const char *Cmd) {
FILE *f = NULL;
char filename[FILE_PATH_SIZE];
char cmdp = tolower(param_getchar(Cmd, 0));
if (strlen(Cmd) < 1 || cmdp == 'h') return usage_trace_load();
param_getstr(Cmd, 0, filename, sizeof(filename));
if ((f = fopen(filename, "rb")) == NULL) {
PrintAndLogEx(FAILED, "Could not open file " _YELLOW_("%s"), filename);
return 0;
}
// get filesize in order to malloc memory
fseek(f, 0, SEEK_END);
long fsize = ftell(f);
fseek(f, 0, SEEK_SET);
if (fsize < 0) {
PrintAndLogEx(FAILED, "error, when getting filesize");
fclose(f);
return 3;
}
if (fsize < 4) {
PrintAndLogEx(FAILED, "error, file is too small");
fclose(f);
return 4;
}
if (trace)
free(trace);
trace = calloc(fsize, sizeof(uint8_t));
if (!trace) {
PrintAndLogEx(FAILED, "Cannot allocate memory for trace");
fclose(f);
return 2;
}
size_t bytes_read = fread(trace, 1, fsize, f);
traceLen = bytes_read;
fclose(f);
PrintAndLogEx(SUCCESS, "Recorded Activity (TraceLen = %d bytes) loaded from file %s", traceLen, filename);
return 0;
}
static int CmdTraceSave(const char *Cmd) {
if (traceLen == 0) {
PrintAndLogEx(WARNING, "trace is empty, nothing to save");
return 0;
}
char filename[FILE_PATH_SIZE];
char cmdp = tolower(param_getchar(Cmd, 0));
if (strlen(Cmd) < 1 || cmdp == 'h') return usage_trace_save();
param_getstr(Cmd, 0, filename, sizeof(filename));
saveFile(filename, ".bin", trace, traceLen);
return 0;
}
static command_t CommandTable[] = {
{"help", CmdHelp, AlwaysAvailable, "This help"},
{"list", CmdTraceList, AlwaysAvailable, "List protocol data in trace buffer"},
{"load", CmdTraceLoad, AlwaysAvailable, "Load trace from file"},
{"save", CmdTraceSave, AlwaysAvailable, "Save trace buffer to file"},
{NULL, NULL, NULL, NULL}
};
static int CmdHelp(const char *Cmd) {
(void)Cmd; // Cmd is not used so far
CmdsHelp(CommandTable);
return 0;
}
int CmdTrace(const char *Cmd) {
clearCommandBuffer();
return CmdsParse(CommandTable, Cmd);
}
int CmdTraceList(const char *Cmd) {
clearCommandBuffer();
bool showWaitCycles = false;
bool markCRCBytes = false;
bool showHex = false;
bool isOnline = true;
bool errors = false;
uint8_t protocol = 0;
char type[10] = {0};
//int tlen = param_getstr(Cmd,0,type);
//char param1 = param_getchar(Cmd, 1);
//char param2 = param_getchar(Cmd, 2);
char cmdp = 0;
while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
int slen = param_getstr(Cmd, cmdp, type, sizeof(type));
if (slen == 1) {
switch (tolower(param_getchar(Cmd, cmdp))) {
case 'h':
return usage_trace_list();
case 'f':
showWaitCycles = true;
cmdp++;
break;
case 'c':
markCRCBytes = true;
cmdp++;
break;
case 'x':
showHex = true;
cmdp++;
break;
case '0':
isOnline = true;
cmdp++;
break;
case '1':
isOnline = false;
cmdp++;
break;
default:
PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = true;
break;
}
} else {
str_lower(type);
// validate type of output
if (strcmp(type, "iclass") == 0) protocol = ICLASS;
else if (strcmp(type, "14a") == 0) protocol = ISO_14443A;
else if (strcmp(type, "14b") == 0) protocol = ISO_14443B;
else if (strcmp(type, "topaz") == 0) protocol = TOPAZ;
else if (strcmp(type, "7816") == 0) protocol = ISO_7816_4;
else if (strcmp(type, "des") == 0) protocol = MFDES;
else if (strcmp(type, "legic") == 0) protocol = LEGIC;
else if (strcmp(type, "15") == 0) protocol = ISO_15693;
else if (strcmp(type, "felica") == 0) protocol = FELICA;
else if (strcmp(type, "mf") == 0) protocol = PROTO_MIFARE;
else if (strcmp(type, "hitag") == 0) protocol = PROTO_HITAG;
else if (strcmp(type, "thinfilm") == 0) protocol = THINFILM;
else if (strcmp(type, "raw") == 0) protocol = -1; //No crc, no annotations
else errors = true;
cmdp++;
}
}
//if (!SanityOfflineCheck(isOnline)) return 1;
//Validations
if (errors) return usage_trace_list();
uint16_t tracepos = 0;
// reserv some space.
if (!trace)
trace = calloc(PM3_CMD_DATA_SIZE, sizeof(uint8_t));
if (isOnline) {
// Query for the size of the trace, downloading PM3_CMD_DATA_SIZE
PacketResponseNG response;
if (!GetFromDevice(BIG_BUF, trace, PM3_CMD_DATA_SIZE, 0, NULL, 0, &response, 4000, true)) {
PrintAndLogEx(WARNING, "timeout while waiting for reply.");
return 1;
}
traceLen = response.oldarg[2];
if (traceLen > PM3_CMD_DATA_SIZE) {
uint8_t *p = realloc(trace, traceLen);
if (p == NULL) {
PrintAndLogEx(FAILED, "Cannot allocate memory for trace");
free(trace);
return 2;
}
trace = p;
if (!GetFromDevice(BIG_BUF, trace, traceLen, 0, NULL, 0, NULL, 2500, false)) {
PrintAndLogEx(WARNING, "command execution time out");
free(trace);
return 3;
}
}
}
PrintAndLogEx(SUCCESS, "Recorded Activity (TraceLen = %d bytes)", traceLen);
PrintAndLogEx(INFO, "");
if (protocol == FELICA) {
printFelica(traceLen, trace);
} else if (showHex) {
while (tracepos < traceLen) {
tracepos = printHexLine(tracepos, traceLen, trace, protocol);
}
} else {
PrintAndLogEx(NORMAL, "Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
if (protocol == ISO_14443A || protocol == PROTO_MIFARE || protocol == MFDES || protocol == TOPAZ)
PrintAndLogEx(NORMAL, "ISO14443A - All times are in carrier periods (1/13.56MHz)");
if (protocol == THINFILM)
PrintAndLogEx(NORMAL, "Thinfilm - All times are in carrier periods (1/13.56MHz)");
if (protocol == ICLASS)
PrintAndLogEx(NORMAL, "iClass - Timings are not as accurate");
if (protocol == LEGIC)
PrintAndLogEx(NORMAL, "LEGIC - Reader Mode: Timings are in ticks (1us == 1.5ticks)\n"
" Tag Mode: Timings are in sub carrier periods (1/212 kHz == 4.7us)");
if (protocol == ISO_14443B)
PrintAndLogEx(NORMAL, "ISO14443B"); // Timings ?
if (protocol == ISO_15693)
PrintAndLogEx(NORMAL, "ISO15693 - Timings are not as accurate");
if (protocol == ISO_7816_4)
PrintAndLogEx(NORMAL, "ISO7816-4 / Smartcard - Timings N/A yet");
if (protocol == FELICA)
PrintAndLogEx(NORMAL, "Felica"); // Timings ?
if (protocol == PROTO_HITAG)
PrintAndLogEx(NORMAL, "Hitag2 / HitagS - Timings in ETU (8us)");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, " Start | End | Src | Data (! denotes parity error) | CRC | Annotation");
PrintAndLogEx(NORMAL, "------------+------------+-----+-------------------------------------------------------------------------+-----+--------------------");
ClearAuthData();
while (tracepos < traceLen) {
tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles, markCRCBytes);
if (kbd_enter_pressed())
break;
}
}
return 0;
}