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updated usage information

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tharexde 2020-11-13 00:50:49 +01:00
commit 9415363262
1 changed files with 57 additions and 44 deletions
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101
client/src/cmdlfem4x50.c
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@ -28,6 +28,7 @@ static int loadFileEM4x50(const char *filename, uint8_t *data, size_t data_len,
// read data from dump file; file type is derived from file name extension // read data from dump file; file type is derived from file name extension
int res = 0; int res = 0;
uint32_t serial = 0x0, device_id = 0x0;
if (str_endswith(filename, ".eml")) if (str_endswith(filename, ".eml"))
res = loadFileEML(filename, data, bytes_read) != PM3_SUCCESS; res = loadFileEML(filename, data, bytes_read) != PM3_SUCCESS;
@ -39,6 +40,14 @@ static int loadFileEM4x50(const char *filename, uint8_t *data, size_t data_len,
if ((res != PM3_SUCCESS) && (*bytes_read != DUMP_FILESIZE)) if ((res != PM3_SUCCESS) && (*bytes_read != DUMP_FILESIZE))
return PM3_EFILE; return PM3_EFILE;
// valid em4x50 data?
serial = bytes_to_num(data + 4 * EM4X50_DEVICE_SERIAL, 4);
device_id = bytes_to_num(data + 4 * EM4X50_DEVICE_ID, 4);
if (serial == device_id) {
PrintAndLogEx(WARNING, "No valid em4x50 data in file %s.", filename);
return PM3_ENODATA;
}
return PM3_SUCCESS; return PM3_SUCCESS;
} }
@ -264,9 +273,9 @@ int CmdEM4x50Info(const char *Cmd) {
CLIParserContext *ctx; CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 4x50_info", CLIParserInit(&ctx, "lf em 4x50_info",
"Read all information of EM4x50 tag. Tag must be on antenna.", "Tag information EM4x50.",
"lf em 4x50_info\n" "lf em 4x50_info\n"
"lf em 4x50_info -p 12345678\n" "lf em 4x50_info -p 12345678 -> uses password 0x12345678\n"
); );
void *argtable[] = { void *argtable[] = {
@ -331,8 +340,8 @@ int CmdEM4x50Write(const char *Cmd) {
CLIParserContext *ctx; CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 4x50_write", CLIParserInit(&ctx, "lf em 4x50_write",
"Write EM4x50 word. Tag must be on antenna.", "Writes single block/word to EM4x50 tag.",
"lf em 4x50_write -b 3 -d 4f22e7ff\n" "lf em 4x50_write -b 3 -d 4f22e7ff -> writes 0x4f22e7ff to block 3\n"
"lf em 4x50_write -b 3 -d 4f22e7ff -p 12345678\n" "lf em 4x50_write -b 3 -d 4f22e7ff -p 12345678\n"
); );
@ -424,8 +433,8 @@ int CmdEM4x50WritePwd(const char *Cmd) {
CLIParserContext *ctx; CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 4x50_writepwd", CLIParserInit(&ctx, "lf em 4x50_writepwd",
"Write EM4x50 password. Tag must be on antenna.", "Writes EM4x50 password.",
"lf em 4x50_writepwd -p 4f22e7ff -n 12345678\n" "lf em 4x50_writepwd -p 4f22e7ff -n 12345678 -> replaces password 0x4f22e7ff with 0x12345678\n"
); );
void *argtable[] = { void *argtable[] = {
@ -540,9 +549,9 @@ int CmdEM4x50Read(const char *Cmd) {
CLIParserContext *ctx; CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 4x50_read", CLIParserInit(&ctx, "lf em 4x50_read",
"Read EM4x50 block/word. Tag must be on antenna.", "Reads single EM4x50 block/word.",
"lf em 4x50_read -b 3\n" "lf em 4x50_read -b 3 -> reads block 3\n"
"lf em 4x50_read -b 32 -p 12345678\n" "lf em 4x50_read -b 32 -p 12345678 -> reads block 32 with password 0x12345678\n"
); );
void *argtable[] = { void *argtable[] = {
@ -590,11 +599,11 @@ int CmdEM4x50Dump(const char *Cmd) {
CLIParserContext *ctx; CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 4x50_dump", CLIParserInit(&ctx, "lf em 4x50_dump",
"Dump EM4x50 tag. Tag must be on antenna.", "Reads all blocks/words from EM4x50 tag and saves dump in bin/eml/json format.",
"lf em 4x50_dump\n" "lf em 4x50_dump -> saves dump in lf-4x50-<UID>-dump.bin/eml/json\n"
"lf em 4x50_dump -f lf-4x50dump.eml\n" "lf em 4x50_dump -f mydump.eml -> saves dump in mydump.eml\n"
"lf em 4x50_dump -p 12345678\n" "lf em 4x50_dump -p 12345678\n"
"lf em 4x50_dump -f lf-4x50dump.eml -p 12345678\n" "lf em 4x50_dump -f mydump.eml -p 12345678\n"
); );
void *argtable[] = { void *argtable[] = {
@ -680,8 +689,8 @@ int CmdEM4x50Wipe(const char *Cmd) {
CLIParserContext *ctx; CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 4x50_wipe", CLIParserInit(&ctx, "lf em 4x50_wipe",
"Wipe EM4x50 tag. Tag must be on antenna.", "Wipes EM4x50 tag.",
"lf em 4x50_wipe -p 12345678\n" "lf em 4x50_wipe -p 12345678 -> wipes tag with password 0x12345678\n"
); );
void *argtable[] = { void *argtable[] = {
@ -765,14 +774,14 @@ int CmdEM4x50Brute(const char *Cmd) {
CLIParserContext *ctx; CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 4x50_brute", CLIParserInit(&ctx, "lf em 4x50_brute",
"Bruteforce password of EM4x50 tag. Tag must be on antenna.", "Tries to bruteforce the password of a EM4x50. Function can be stopped by pressing pm3 button.",
"lf em 4x50_brute -f 12330000 -l 12340000\n" "lf em 4x50_brute -f 12330000 -l 12340000 -> tries passwords from 0x12330000 to 0x1234000000\n"
); );
void *argtable[] = { void *argtable[] = {
arg_param_begin, arg_param_begin,
arg_str1("f", "fwr", "<password>", "first password (start), hex, 4 bytes, lsb"), arg_str1("f", "fp", "<password>", "first password (start), hex, 4 bytes, lsb"),
arg_str1("l", "lwr", "<password>", "last password (stop), hex, 4 bytes, lsb"), arg_str1("l", "lp", "<password>", "last password (stop), hex, 4 bytes, lsb"),
arg_param_end arg_param_end
}; };
@ -827,8 +836,8 @@ int CmdEM4x50Login(const char *Cmd) {
CLIParserContext *ctx; CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 4x50_login", CLIParserInit(&ctx, "lf em 4x50_login",
"Login into EM4x50 tag. Tag must be on antenna.", "Login into EM4x50 tag.",
"lf em 4x50_login -p 12345678\n" "lf em 4x50_login -p 12345678 -< login with password 12345678\n"
); );
void *argtable[] = { void *argtable[] = {
@ -869,7 +878,7 @@ int CmdEM4x50Reset(const char *Cmd) {
CLIParserContext *ctx; CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 4x50_reset", CLIParserInit(&ctx, "lf em 4x50_reset",
"Reset EM4x50 tag. Tag must be on antenna", "Reseta EM4x50 tag.",
"lf em 4x50_reset\n" "lf em 4x50_reset\n"
); );
@ -903,7 +912,7 @@ int CmdEM4x50Watch(const char *Cmd) {
CLIParserContext *ctx; CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 4x50_watch", CLIParserInit(&ctx, "lf em 4x50_watch",
"Watch for EM4x50 tag. Tag must be on antenna", "Watches for EM4x50 tags. Function runs until button is pressed.",
"lf em 4x50_watch\n" "lf em 4x50_watch\n"
); );
@ -937,11 +946,11 @@ int CmdEM4x50Restore(const char *Cmd) {
CLIParserContext *ctx; CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 4x50_restore", CLIParserInit(&ctx, "lf em 4x50_restore",
"Restore EM4x50 dump to tag. Tag must be on antenna", "Restores data from dumpfile onto a Em4x50 tag.",
"lf em 4x50_restore -u 1b5aff5c\n" "lf em 4x50_restore -u 1b5aff5c -> uses lf-4x50-1B5AFF5C-dump.bin\n"
"lf em 4x50_restore -f lf-4x50dump.eml\n" "lf em 4x50_restore -f mydump.eml -> uses mydump.eml\n"
"lf em 4x50_restore -u 1b5aff5c -p 12345678\n" "lf em 4x50_restore -u 1b5aff5c -p 12345678 -> \n"
"lf em 4x50_restore -f lf-4x50dump.eml -p 12345678\n" "lf em 4x50_restore -f mydump.eml -p 12345678 -> \n"
); );
void *argtable[] = { void *argtable[] = {
@ -1042,9 +1051,9 @@ int CmdEM4x50Sim(const char *Cmd) {
CLIParserContext *ctx; CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 4x50_sim", CLIParserInit(&ctx, "lf em 4x50_sim",
"Simulate dump (bin/eml/json) of EM4x50 tag in emulator memory", "Simulates a EM4x50 tag",
"lf em 4x50_sim\n" "lf em 4x50_sim -> simulates EM4x50 data in flash memory.\n"
"lf em 4x50_sim -f lf-4x50dump.eml\n" "lf em 4x50_sim -f mydump.eml -> simulates content of file ./mydump\n"
); );
void *argtable[] = { void *argtable[] = {
@ -1111,7 +1120,7 @@ int CmdEM4x50StdRead(const char *Cmd) {
CLIParserContext *ctx; CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 4x50_stdread", CLIParserInit(&ctx, "lf em 4x50_stdread",
"Show standard read data of EM4x50 tag", "Shows standard read data of EM4x50 tag.",
"lf em 4x50_stdread\n" "lf em 4x50_stdread\n"
); );
@ -1176,8 +1185,10 @@ int CmdEM4x50ELoad(const char *Cmd) {
CLIParserContext *ctx; CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 4x50_eload", CLIParserInit(&ctx, "lf em 4x50_eload",
"Load dump file (bin/eml/json) into flash memory", "Loads EM4x50 tag dump into flash memory on device.",
"lf em 4x50_eload -f lf-4x50dump.json\n" "lf em 4x50_eload -f mydump.bin -> uploads bin file ./mydump.bin\n"
"lf em 4x50_eload -f mydump.eml -> uploads eml file ./mydump.eml\n"
"lf em 4x50_eload -f mydump.json -> uploads json file ./mydump.json\n"
); );
void *argtable[] = { void *argtable[] = {
@ -1218,9 +1229,11 @@ int CmdEM4x50ESave(const char *Cmd) {
CLIParserContext *ctx; CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 4x50_esave", CLIParserInit(&ctx, "lf em 4x50_esave",
"Save flash memory to file (bin, elm, json)", "Saves bin/eml/json dump file of flash memory.",
"lf em 4x50_esave\n" "lf em 4x50_esave -> use UID as filename\n"
"lf em 4x50_esave -f lf-4x50dump.json\n" "lf em 4x50_esave -f mydump.bin -> saves to bin file ./mydump.bin\n"
"lf em 4x50_esave -f mydump.eml -> saves to eml file ./mydump.eml\n"
"lf em 4x50_esave -f mydump.json -> saves to json file ./mydump.json\n"
); );
void *argtable[] = { void *argtable[] = {
@ -1240,7 +1253,7 @@ int CmdEM4x50ESave(const char *Cmd) {
return PM3_ETIMEOUT; return PM3_ETIMEOUT;
} }
// valid data regarding em4x50? // valid em4x50 data?
serial = bytes_to_num(data + 4 * EM4X50_DEVICE_SERIAL, 4); serial = bytes_to_num(data + 4 * EM4X50_DEVICE_SERIAL, 4);
device_id = bytes_to_num(data + 4 * EM4X50_DEVICE_ID, 4); device_id = bytes_to_num(data + 4 * EM4X50_DEVICE_ID, 4);
if (serial == device_id) { if (serial == device_id) {
@ -1263,7 +1276,9 @@ int CmdEM4x50ESave(const char *Cmd) {
int CmdEM4x50Chk(const char *Cmd) { int CmdEM4x50Chk(const char *Cmd) {
// upload passwords from dictionary to flash memory and start password check // upload passwords from given dictionary to flash memory and
// start password check;
// if no filename is given dictionary "t55xx_default_pwds.dic" is used
int status = 0; int status = 0;
int res = 0, slen = 0; int res = 0, slen = 0;
@ -1278,9 +1293,9 @@ int CmdEM4x50Chk(const char *Cmd) {
CLIParserContext *ctx; CLIParserContext *ctx;
CLIParserInit(&ctx, "lf em 4x50_chk", CLIParserInit(&ctx, "lf em 4x50_chk",
"Check passwords from dictionary in flash memory", "Dictionary attack against EM4x50.",
"lf em 4x50_chk\n" "lf em 4x50_chk -> uses T55xx default dictionary\n"
"lf em 4x50_chk -f 4_byte_password_file.dic\n" "lf em 4x50_chk -f my.dic -> uses dictionary ./my.dic\n"
); );
void *argtable[] = { void *argtable[] = {
@ -1293,8 +1308,6 @@ int CmdEM4x50Chk(const char *Cmd) {
CLIParamStrToBuf(arg_get_str(ctx, 1), (uint8_t *)filename, FILE_PATH_SIZE, &slen); CLIParamStrToBuf(arg_get_str(ctx, 1), (uint8_t *)filename, FILE_PATH_SIZE, &slen);
CLIParserFree(ctx); CLIParserFree(ctx);
//data = calloc(FLASH_MEM_MAX_SIZE, sizeof(uint8_t));
// no filename -> default = t55xx_default_pwds // no filename -> default = t55xx_default_pwds
if (strlen(filename) == 0) { if (strlen(filename) == 0) {
snprintf(filename, sizeof(filename), "t55xx_default_pwds"); snprintf(filename, sizeof(filename), "t55xx_default_pwds");