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hf legic esave - now use cliparser

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tcprst 2020-12-21 15:00:02 -05:00
commit f1c4be446c
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2 changed files with 42 additions and 60 deletions
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101
client/src/cmdhflegic.c
View file

@ -28,22 +28,6 @@ static int CmdHelp(const char *Cmd);
#define MAX_LENGTH 1024
static int usage_legic_esave(void) {
PrintAndLogEx(NORMAL, "It saves bin/eml/json dump file of emulator memory\n");
PrintAndLogEx(NORMAL, "Usage: hf legic esave [h] [card memory] f <file name w/o `.bin`>\n");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h : this help");
PrintAndLogEx(NORMAL, " [card memory] : 0 = MIM22");
PrintAndLogEx(NORMAL, " : 1 = MIM256 (default)");
PrintAndLogEx(NORMAL, " : 2 = MIM1024");
PrintAndLogEx(NORMAL, " f <filename> : filename w/o .bin to load");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, _YELLOW_(" hf legic esave 2 - uses UID as filename"));
PrintAndLogEx(NORMAL, _YELLOW_(" hf legic esave 2 f myfile"));
return PM3_SUCCESS;
}
static bool legic_xor(uint8_t *data, uint16_t cardsize) {
if (cardsize <= 22) {
@ -1032,49 +1016,48 @@ static int CmdLegicELoad(const char *Cmd) {
}
static int CmdLegicESave(const char *Cmd) {
CLIParserContext *ctx;
CLIParserInit(&ctx, "hf legic esave",
"Saves bin/eml/json dump file of emulator memory",
"hf legic esave <- uses UID as filename\n"
"hf legic esave -f myfile -t 0 <- Type MIM22\n"
"hf legic esave -f myfile -t 1 <- Type MIM256 (default)\n"
"hf legic esave -f myfile -t 2 <- Type MIM1024");
void *argtable[] = {
arg_param_begin,
arg_str0("f", "file", "<filename>", "Specify a filename to save"),
arg_int0("t", "type", "<dec>", "Tag type"),
arg_lit0(NULL, "deobfuscate", "De-obfuscate dump data (xor with MCC)"),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, true);
int fnlen = 0;
char filename[FILE_PATH_SIZE] = {0};
char *fptr = filename;
int fileNameLen = 0;
size_t numofbytes = 256;
bool errors = false, shall_deobsfuscate = false;
uint8_t cmdp = 0;
while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
switch (tolower(param_getchar(Cmd, cmdp))) {
case 'h' :
return usage_legic_esave();
case 'f' :
fileNameLen = param_getstr(Cmd, cmdp + 1, filename, FILE_PATH_SIZE);
if (!fileNameLen)
errors = true;
if (fileNameLen > FILE_PATH_SIZE - 5)
fileNameLen = FILE_PATH_SIZE - 5;
cmdp += 2;
break;
case 'x':
shall_deobsfuscate = true;
cmdp++;
break;
case '0' :
numofbytes = 22;
cmdp++;
break;
case '1' :
numofbytes = 256;
cmdp++;
break;
case '2' :
numofbytes = 1024;
cmdp++;
break;
default :
PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = true;
break;
}
CLIParamStrToBuf(arg_get_str(ctx, 1), (uint8_t *)filename, FILE_PATH_SIZE, &fnlen);
size_t numofbytes = 0;
switch (arg_get_int_def(ctx, 2, 1)) {
case 0:
numofbytes = 22;
break;
case 1:
numofbytes = 256;
break;
case 2:
numofbytes = 1024;
break;
default:
PrintAndLogEx(ERR, "Unknown tag type");
CLIParserFree(ctx);
return PM3_EINVARG;
}
//Validations
if (errors || strlen(Cmd) == 0) return usage_legic_esave();
bool shall_deobsfuscate = arg_get_lit(ctx, 3);
CLIParserFree(ctx);
// set up buffer
uint8_t *data = calloc(numofbytes, sizeof(uint8_t));
@ -1092,10 +1075,10 @@ static int CmdLegicESave(const char *Cmd) {
}
// user supplied filename?
if (fileNameLen < 1) {
if (fnlen < 1) {
PrintAndLogEx(INFO, "Using UID as filename");
fptr += snprintf(fptr, sizeof(filename), "hf-legic-");
FillFileNameByUID(fptr, data, "-dump", 4);
strcat(filename, "hf-legic-");
FillFileNameByUID(filename, data, "-dump", 4);
}
if (shall_deobsfuscate) {

1
doc/cliparser_todo.txt
View file

@ -74,7 +74,6 @@ hf felica resetmode
hf felica litesim
hf felica litedump
hf fido info
hf legic esave
hf mf darkside
hf mf nested
hf mf hardnested