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lf motorola - now uses cliparser, supports continuous mode, EM (untested)

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iceman1001 2020-11-27 19:13:48 +01:00
commit 97b1562bad
1 changed files with 85 additions and 47 deletions
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106
client/src/cmdlfmotorola.c
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@ -9,9 +9,7 @@
// PSK1, RF/32, 64 bits long, at 74 kHz
//-----------------------------------------------------------------------------
#include "cmdlfmotorola.h"
#include <ctype.h> // tolower
#include "commonutil.h" // ARRAYLEN
#include "common.h"
#include "cmdparser.h" // command_t
@ -24,7 +22,7 @@
#include "cmdlft55xx.h" // clone..
#include "cmdlf.h" // cmdlfconfig
#include "cliparser.h" // cli parse input
#include "cmdlfem4x05.h" // EM defines
static int CmdHelp(const char *Cmd);
@ -124,7 +122,22 @@ static int CmdMotorolaDemod(const char *Cmd) {
return demodMotorola(true);
}
static int CmdMotorolaRead(const char *Cmd) {
static int CmdMotorolaReader(const char *Cmd) {
CLIParserContext *ctx;
CLIParserInit(&ctx, "lf motorola reader",
"read a Motorola tag",
"lf motorola reader -@ -> continuous reader mode"
);
void *argtable[] = {
arg_param_begin,
arg_lit0("@", NULL, "optional - continuous reader mode"),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, true);
bool cm = arg_get_lit(ctx, 1);
CLIParserFree(ctx);
// Motorola Flexpass seem to work at 74 kHz
// and take about 4400 samples to befor modulating
sample_config sc = {
@ -138,61 +151,86 @@ static int CmdMotorolaRead(const char *Cmd) {
};
lf_config(&sc);
do {
// 64 * 32 * 2 * n-ish
lf_read(false, 5000);
demodMotorola(!cm);
} while (cm && !kbd_enter_pressed());
// reset back to 125 kHz
sc.divisor = LF_DIVISOR_125;
sc.samples_to_skip = 0;
lf_config(&sc);
return demodMotorola(true);
return PM3_SUCCESS;
}
static int CmdMotorolaClone(const char *Cmd) {
uint32_t blocks[3] = {0};
uint8_t data[8];
int datalen = 0;
CLIParserContext *ctx;
CLIParserInit(&ctx, "lf motorola clone",
"clone Motorola UID to T55x7 or Q5/T5555 tag\n"
"clone Motorola UID to a T55x7, Q5/T5555 or EM4305/4469 tag.\n"
"defaults to 64 bit format",
"lf motorola clone -r a0000000a0002021"
"lf motorola clone --raw a0000000a0002021\n"
"lf motorola clone --q5 --raw a0000000a0002021 -> encode for Q5/T5555 tag\n"
"lf motorola clone --em --raw a0000000a0002021 -> encode for EM4305/4469"
);
void *argtable[] = {
arg_param_begin,
arg_strx1("r", "raw", "<hex>", "raw bytes"),
arg_lit0("q", "Q5", "optional - specify writing to Q5/T5555 tag"),
arg_strx1("r", "raw", "<hex>", "raw hex bytes. 8 bytes"),
arg_lit0(NULL, "q5", "optional - specify writing to Q5/T5555 tag"),
arg_lit0(NULL, "em", "optional - specify writing to EM4305/4469 tag"),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, false);
CLIGetHexWithReturn(ctx, 1, data, &datalen);
bool is_t5555 = arg_get_lit(ctx, 2);
int raw_len = 0;
uint8_t raw[8];
CLIGetHexWithReturn(ctx, 1, raw, &raw_len);
bool q5 = arg_get_lit(ctx, 2);
bool em = arg_get_lit(ctx, 3);
CLIParserFree(ctx);
//TODO add selection of chip for Q5 or T55x7
if (q5 && em) {
PrintAndLogEx(FAILED, "Can't specify both Q5 and EM4305 at the same time");
return PM3_EINVARG;
}
PrintAndLogEx(INFO, "Target chip " _YELLOW_("%s"), (is_t5555) ? "Q5/T5555" : "T55x7");
//TODO add selection of chip for Q5 or T55x7
uint32_t blocks[3] = {0};
blocks[0] = T55x7_BITRATE_RF_32 | T55x7_MODULATION_PSK1 | (2 << T55x7_MAXBLOCK_SHIFT);
char cardtype[16] = {"T55x7"};
// Q5
if (q5) {
blocks[0] = T5555_FIXED | T5555_SET_BITRATE(32) | T5555_MODULATION_PSK1 | 2 << T5555_MAXBLOCK_SHIFT;
snprintf(cardtype, sizeof(cardtype), "Q5/T5555");
}
// EM4305
if (em) {
blocks[0] = EM4305_MOTOROLA_CONFIG_BLOCK;
snprintf(cardtype, sizeof(cardtype), "EM4305/4469");
}
blocks[1] = bytes_to_num(raw, 4);
blocks[2] = bytes_to_num(raw + 4, 4);
// config for Motorola 64 format (RF/32;PSK1 with RF/2; Maxblock=2)
PrintAndLogEx(INFO, "Preparing to clone Motorola 64bit tag");
PrintAndLogEx(INFO, "Using raw " _GREEN_("%s"), sprint_hex_inrow(data, datalen));
if (is_t5555)
blocks[0] = T5555_FIXED | T5555_SET_BITRATE(32) | T5555_MODULATION_PSK1 | 2 << T5555_MAXBLOCK_SHIFT;
else
blocks[0] = T55x7_BITRATE_RF_32 | T55x7_MODULATION_PSK1 | (2 << T55x7_MAXBLOCK_SHIFT);
blocks[1] = bytes_to_num(data, 4);
blocks[2] = bytes_to_num(data + 4, 4);
PrintAndLogEx(INFO, "Preparing to clone Motorola 64bit to " _YELLOW_("%s") " with raw " _GREEN_("%s")
, cardtype
, sprint_hex_inrow(raw, sizeof(raw))
);
print_blocks(blocks, ARRAYLEN(blocks));
int res = clone_t55xx_tag(blocks, ARRAYLEN(blocks));
int res;
if (em) {
res = em4x05_clone_tag(blocks, ARRAYLEN(blocks), 0, false);
} else {
res = clone_t55xx_tag(blocks, ARRAYLEN(blocks));
}
PrintAndLogEx(SUCCESS, "Done");
PrintAndLogEx(HINT, "Hint: try " _YELLOW_("`lf motorola read`") " to verify");
PrintAndLogEx(HINT, "Hint: try " _YELLOW_("`lf motorola reader`") " to verify");
return res;
}
@ -207,7 +245,7 @@ static int CmdMotorolaSim(const char *Cmd) {
static command_t CommandTable[] = {
{"help", CmdHelp, AlwaysAvailable, "This help"},
{"demod", CmdMotorolaDemod, AlwaysAvailable, "Demodulate an MOTOROLA tag from the GraphBuffer"},
{"read", CmdMotorolaRead, IfPm3Lf, "Attempt to read and extract tag data from the antenna"},
{"reader", CmdMotorolaReader, IfPm3Lf, "Attempt to read and extract tag data from the antenna"},
{"clone", CmdMotorolaClone, IfPm3Lf, "clone MOTOROLA tag to T55x7"},
{"sim", CmdMotorolaSim, IfPm3Lf, "simulate MOTOROLA tag"},
{NULL, NULL, NULL, NULL}
@ -266,5 +304,5 @@ int detectMotorola(uint8_t *dest, size_t *size) {
}
int readMotorolaUid(void) {
return (CmdMotorolaRead("") == PM3_SUCCESS);
return (CmdMotorolaReader("") == PM3_SUCCESS);
}