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add: lf pac sim *wip*

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iceman1001 2020-01-04 20:01:33 +01:00
commit 990cd3590a
1 changed files with 47 additions and 2 deletions
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49
client/cmdlfpac.c
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@ -10,6 +10,8 @@
#include "cmdlfpac.h"
#include <ctype.h> //tolower
#include <string.h>
#include <stdlib.h>
#include "commonutil.h" // ARRAYLEN
#include "common.h"
@ -39,7 +41,19 @@ static int usage_lf_pac_clone(void) {
PrintAndLogEx(NORMAL, " lf pac clone b FF2049906D8511C593155B56D5B2649F ");
return PM3_SUCCESS;
}
static int usage_lf_pac_sim(void) {
PrintAndLogEx(NORMAL, "Enables simulation of PAC/Stanley card with specified card number.");
PrintAndLogEx(NORMAL, "Simulation runs until the button is pressed or another USB command is issued.");
PrintAndLogEx(NORMAL, "The card ID is 8 byte number. Larger values are truncated.");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Usage: lf pac sim <Card-ID>");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " <Card ID> : 8 byte PAC/Stanley card id");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, " lf pac sim 1A337");
return PM3_SUCCESS;
}
// by danshuk
// PAC_8byte format: preamble (8 mark/idle bits), ascii STX (02), ascii '2' (32), ascii '0' (30), ascii bytes 0..7 (cardid), then xor checksum of cardid bytes
// all bytes following 8 bit preamble are one start bit (0), 7 data bits (lsb first), odd parity bit, and one stop bit (1)
@ -231,7 +245,38 @@ static int CmdPacClone(const char *Cmd) {
static int CmdPacSim(const char *Cmd) {
// NRZ sim.
PrintAndLogEx(INFO, " To be implemented, feel free to contribute!");
uint32_t id = 0;
uint64_t rawID = 0;
char cmdp = tolower(param_getchar(Cmd, 0));
if (strlen(Cmd) == 0 || cmdp == 'h') return usage_lf_pac_sim();
id = param_get32ex(Cmd, 0, 0, 16);
if (id == 0) return usage_lf_pac_sim();
//rawID = pacCardIdToRaw(id);
PrintAndLogEx(SUCCESS, "Simulating PAC/Stanley - ID " _YELLOW_("%08X")" raw "_YELLOW_("%08X%08X"), id, (uint32_t)(rawID >> 32), (uint32_t)(rawID & 0xFFFFFFFF));
uint8_t bs[128];
num_to_bytebits(rawID, sizeof(bs), bs);
lf_nrzsim_t *payload = calloc(1, sizeof(lf_nrzsim_t) + sizeof(bs));
payload->invert = 0;
payload->separator = 0;
payload->clock = 32;
memcpy(payload->data, bs, sizeof(bs));
clearCommandBuffer();
SendCommandNG(CMD_LF_NRZ_SIMULATE, (uint8_t *)payload, sizeof(lf_nrzsim_t) + sizeof(bs));
free(payload);
PacketResponseNG resp;
WaitForResponse(CMD_LF_NRZ_SIMULATE, &resp);
PrintAndLogEx(INFO, "Done");
if (resp.status != PM3_EOPABORTED)
return resp.status;
return PM3_SUCCESS;
}