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a few more tools for em4x05 writing.
ready to begin coding cloning cmds to em4x05.
This commit is contained in:
marshmellow42
parent
3991b2ec6a
commit
4ab135c0cd
3 changed files with 131 additions and 43 deletions
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@ -22,6 +22,7 @@
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#include "cmdlf.h"
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#include "cmdmain.h"
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#include "lfdemod.h"
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#include "protocols.h"
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uint64_t g_em410xId=0;
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@ -899,47 +900,32 @@ int CmdEM4x05dump(const char *Cmd) {
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int usage_lf_em_write(void) {
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PrintAndLog("Write EM4x05/EM4x69. Tag must be on antenna. ");
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PrintAndLog("");
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PrintAndLog("Usage: lf em 4x05writeword [h] [s] <address> <data> <pwd>");
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PrintAndLog("Usage: lf em 4x05writeword [h] a <address> d <data> p <pwd> [s] [i]");
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PrintAndLog("Options:");
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PrintAndLog(" h - this help");
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PrintAndLog(" s - swap data bit order before write");
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PrintAndLog(" address - memory address to write to. (0-15)");
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PrintAndLog(" data - data to write (hex)");
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PrintAndLog(" pwd - password (hex) (optional)");
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PrintAndLog(" h - this help");
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PrintAndLog(" a <address> - memory address to write to. (0-15)");
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PrintAndLog(" d <data> - data to write (hex)");
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PrintAndLog(" p <pwd> - password (hex) (optional)");
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PrintAndLog(" s - swap the data bit order before write");
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PrintAndLog(" i - invert the data bits before write");
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PrintAndLog("samples:");
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PrintAndLog(" lf em 4x05writeword 1");
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PrintAndLog(" lf em 4x05writeword 1 deadc0de 11223344");
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PrintAndLog(" lf em 4x05writeword a 5 d 11223344");
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PrintAndLog(" lf em 4x05writeword a 5 p deadc0de d 11223344 s i");
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return 0;
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}
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int CmdEM4x05WriteWord(const char *Cmd) {
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uint8_t ctmp = param_getchar(Cmd, 0);
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if ( strlen(Cmd) == 0 || ctmp == 'H' || ctmp == 'h' ) return usage_lf_em_write();
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int EM4x05WriteWord(uint8_t addr, uint32_t data, uint32_t pwd, bool usePwd, bool swap, bool invert) {
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if (swap) data = SwapBits(data, 32);
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bool usePwd = false;
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uint8_t addr = 16; // default to invalid address
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uint32_t data = 0xFFFFFFFF; // default to blank data
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uint32_t pwd = 0xFFFFFFFF; // default to blank password
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char swap = 0;
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int p = 0;
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swap = param_getchar(Cmd, 0);
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if (swap == 's' || swap=='S') p++;
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addr = param_get8ex(Cmd, p++, 16, 10);
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data = param_get32ex(Cmd, p++, 0, 16);
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pwd = param_get32ex(Cmd, p++, 1, 16);
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if (swap == 's' || swap=='S') data = SwapBits(data, 32);
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if (invert) data ^= 0xFFFFFFFF;
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if ( (addr > 15) ) {
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PrintAndLog("Address must be between 0 and 15");
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return 1;
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}
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if ( pwd == 1 )
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PrintAndLog("Writing address %d data %08X", addr, data);
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else {
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usePwd = true;
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if ( !usePwd ) {
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PrintAndLog("Writing address %d data %08X", addr, data);
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} else {
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PrintAndLog("Writing address %d data %08X using password %08X", addr, data, pwd);
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}
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@ -968,8 +954,70 @@ int CmdEM4x05WriteWord(const char *Cmd) {
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return result;
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}
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int CmdEM4x05WriteWord(const char *Cmd) {
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bool errors = false;
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bool usePwd = false;
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uint32_t data = 0xFFFFFFFF;
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uint32_t pwd = 0xFFFFFFFF;
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bool swap = false;
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bool invert = false;
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uint8_t addr = 16; // default to invalid address
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char cmdp = 0;
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while(param_getchar(Cmd, cmdp) != 0x00)
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{
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switch(param_getchar(Cmd, cmdp))
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{
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case 'h':
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case 'H':
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return usage_lf_em_write();
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case 'a':
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case 'A':
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addr = param_get8ex(Cmd, cmdp+1, 16, 10);
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cmdp += 2;
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break;
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case 'd':
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case 'D':
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data = param_get32ex(Cmd, cmdp+1, 0, 16);
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cmdp += 2;
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break;
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case 'i':
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case 'I':
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invert = true;
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cmdp++;
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break;
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case 'p':
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case 'P':
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pwd = param_get32ex(Cmd, cmdp+1, 1, 16);
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if (pwd == 1) {
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PrintAndLog("invalid pwd");
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errors = true;
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}
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usePwd = true;
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cmdp += 2;
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break;
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case 's':
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case 'S':
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swap = true;
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cmdp++;
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break;
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default:
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PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
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errors = true;
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break;
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}
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if(errors) break;
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}
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//Validations
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if(errors) return usage_lf_em_write();
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if ( strlen(Cmd) == 0 ) return usage_lf_em_write();
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return EM4x05WriteWord(addr, data, pwd, usePwd, swap, invert);
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}
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void printEM4x05config(uint32_t wordData) {
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uint16_t datarate = (((wordData & 0x3F)+1)*2);
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uint16_t datarate = EM4x05_GET_BITRATE(wordData);
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uint8_t encoder = ((wordData >> 6) & 0xF);
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char enc[14];
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memset(enc,0,sizeof(enc));
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@ -980,8 +1028,8 @@ void printEM4x05config(uint32_t wordData) {
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uint8_t delay = (wordData >> 12) & 0x3;
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char cdelay[33];
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memset(cdelay,0,sizeof(cdelay));
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uint8_t LWR = (wordData >> 14) & 0xF; //last word read
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uint8_t numblks = EM4x05_GET_NUM_BLOCKS(wordData);
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uint8_t LWR = numblks+5-1; //last word read
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switch (encoder) {
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case 0: snprintf(enc,sizeof(enc),"NRZ"); break;
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case 1: snprintf(enc,sizeof(enc),"Manchester"); break;
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@ -1009,21 +1057,29 @@ void printEM4x05config(uint32_t wordData) {
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case 2: snprintf(cdelay, sizeof(cdelay),"BP/4 or 1/4th bit period delay"); break;
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case 3: snprintf(cdelay, sizeof(cdelay),"no delay"); break;
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}
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uint8_t readLogin = (wordData & EM4x05_READ_LOGIN_REQ)>>18;
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uint8_t readHKL = (wordData & EM4x05_READ_HK_LOGIN_REQ)>>19;
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uint8_t writeLogin = (wordData & EM4x05_WRITE_LOGIN_REQ)>>20;
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uint8_t writeHKL = (wordData & EM4x05_WRITE_HK_LOGIN_REQ)>>21;
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uint8_t raw = (wordData & EM4x05_READ_AFTER_WRITE)>>22;
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uint8_t disable = (wordData & EM4x05_DISABLE_ALLOWED)>>23;
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uint8_t rtf = (wordData & EM4x05_READER_TALK_FIRST)>>24;
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uint8_t pigeon = (wordData & (1<<26))>>26;
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PrintAndLog("ConfigWord: %08X (Word 4)\n", wordData);
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PrintAndLog("Config Breakdown:", wordData);
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PrintAndLog("Config Breakdown:");
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PrintAndLog(" Data Rate: %02u | RF/%u", wordData & 0x3F, datarate);
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PrintAndLog(" Encoder: %u | %s", encoder, enc);
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PrintAndLog(" PSK CF: %u | %s", PSKcf, cf);
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PrintAndLog(" Delay: %u | %s", delay, cdelay);
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PrintAndLog(" LastWordR: %02u | Address of last word for default read", LWR);
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PrintAndLog(" ReadLogin: %u | Read Login is %s", (wordData & 0x40000)>>18, (wordData & 0x40000) ? "Required" : "Not Required");
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PrintAndLog(" ReadHKL: %u | Read Housekeeping Words Login is %s", (wordData & 0x80000)>>19, (wordData & 0x80000) ? "Required" : "Not Required");
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PrintAndLog("WriteLogin: %u | Write Login is %s", (wordData & 0x100000)>>20, (wordData & 0x100000) ? "Required" : "Not Required");
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PrintAndLog(" WriteHKL: %u | Write Housekeeping Words Login is %s", (wordData & 0x200000)>>21, (wordData & 0x200000) ? "Required" : "Not Required");
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PrintAndLog(" R.A.W.: %u | Read After Write is %s", (wordData & 0x400000)>>22, (wordData & 0x400000) ? "On" : "Off");
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PrintAndLog(" Disable: %u | Disable Command is %s", (wordData & 0x800000)>>23, (wordData & 0x800000) ? "Accepted" : "Not Accepted");
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PrintAndLog(" R.T.F.: %u | Reader Talk First is %s", (wordData & 0x1000000)>>24, (wordData & 0x1000000) ? "Enabled" : "Disabled");
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PrintAndLog(" Pigeon: %u | Pigeon Mode is %s\n", (wordData & 0x4000000)>>26, (wordData & 0x4000000) ? "Enabled" : "Disabled");
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PrintAndLog(" LastWordR: %02u | Address of last word for default read - meaning %u blocks are output", LWR, numblks);
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PrintAndLog(" ReadLogin: %u | Read Login is %s", readLogin, readLogin ? "Required" : "Not Required");
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PrintAndLog(" ReadHKL: %u | Read Housekeeping Words Login is %s", readHKL, readHKL ? "Required" : "Not Required");
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PrintAndLog("WriteLogin: %u | Write Login is %s", writeLogin, writeLogin ? "Required" : "Not Required");
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PrintAndLog(" WriteHKL: %u | Write Housekeeping Words Login is %s", writeHKL, writeHKL ? "Required" : "Not Required");
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PrintAndLog(" R.A.W.: %u | Read After Write is %s", raw, raw ? "On" : "Off");
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PrintAndLog(" Disable: %u | Disable Command is %s", disable, disable ? "Accepted" : "Not Accepted");
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PrintAndLog(" R.T.F.: %u | Reader Talk First is %s", rtf, rtf ? "Enabled" : "Disabled");
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PrintAndLog(" Pigeon: %u | Pigeon Mode is %s\n", pigeon, pigeon ? "Enabled" : "Disabled");
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}
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void printEM4x05info(uint8_t chipType, uint8_t cap, uint16_t custCode, uint32_t serial) {
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@ -1102,6 +1158,7 @@ int CmdEM4x05info(const char *Cmd) {
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wordData = 0;
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if ( EM4x05ReadWord_ext(4, pwd, usePwd, &wordData) != 1 ) {
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//failed
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PrintAndLog("Config block read failed - might be password protected.");
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return 0;
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}
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printEM4x05config(wordData);
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