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hf legic rdbl - now use cliparser

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tcprst 2020-12-20 20:52:49 -05:00
commit b407d921a9
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2 changed files with 27 additions and 45 deletions
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71
client/src/cmdhflegic.c
View file

@ -28,21 +28,6 @@ static int CmdHelp(const char *Cmd);
#define MAX_LENGTH 1024
static int usage_legic_rdbl(void) {
PrintAndLogEx(NORMAL, "Read data from a LEGIC Prime tag\n");
PrintAndLogEx(NORMAL, "Usage: hf legic rdbl [h] [o <offset>] [l <length>] [iv <IV>]\n");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h : this help");
PrintAndLogEx(NORMAL, " o <offset> : (hex) offset in data array to start download from");
PrintAndLogEx(NORMAL, " l <length> : (hex) number of bytes to read");
PrintAndLogEx(NORMAL, " i <IV> : (hex) (optional) Initialization vector to use. Must be odd and 7bits max");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(NORMAL, "Examples:");
PrintAndLogEx(NORMAL, _YELLOW_(" hf legic rdbl o 0 l 16 - reads from byte[0] 0x16 bytes(system header)"));
PrintAndLogEx(NORMAL, _YELLOW_(" hf legic rdbl o 0 l 4 iv 55 - reads from byte[0] 0x4 bytes with IV 0x55"));
PrintAndLogEx(NORMAL, _YELLOW_(" hf legic rdbl o 0 l 100 iv 55 - reads 0x100 bytes with IV 0x55"));
return PM3_SUCCESS;
}
static int usage_legic_sim(void) {
PrintAndLogEx(NORMAL, "Simulates a LEGIC Prime tag. MIM22, MIM256, MIM1024 types can be emulated");
PrintAndLogEx(NORMAL, "Use " _YELLOW_("`hf legic eload`") " to upload a dump into emulator memory\n");
@ -512,34 +497,32 @@ out:
// offset in data memory
// number of bytes to read
static int CmdLegicRdbl(const char *Cmd) {
CLIParserContext *ctx;
CLIParserInit(&ctx, "hf legic rdbl",
"Read data from a LEGIC Prime tag",
"hf legic rdbl -o 0 -l 16 <- reads from byte[0] 16 bytes(system header)\n"
"hf legic rdbl -o 0 -l 4 --iv 55 <- reads from byte[0] 4 bytes with IV 0x55\n"
"hf legic rdbl -o 0 -l 256 --iv 55 <- reads from byte[0] 256 bytes with IV 0x55");
uint32_t offset = 0, len = 0, iv = 1;
bool errors = false;
uint8_t cmdp = 0;
while (param_getchar(Cmd, cmdp) != 0x00 && !errors) {
switch (tolower(param_getchar(Cmd, cmdp))) {
case 'h' :
return usage_legic_rdbl();
case 'o' :
offset = param_get32ex(Cmd, cmdp + 1, 0, 16);
cmdp += 2;
break;
case 'l' :
len = param_get32ex(Cmd, cmdp + 1, 0, 16);
cmdp += 2;
break;
case 'i' :
iv = param_get32ex(Cmd, cmdp + 1, 1, 16);
cmdp += 2;
break;
default :
PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = true;
break;
}
}
//Validations
if (errors || strlen(Cmd) == 0) return usage_legic_rdbl();
void *argtable[] = {
arg_param_begin,
arg_int1("o", "offset", "<dec>", "offset in data array to start download from"),
arg_int1("l", "length", "<dec>", "number of bytes to read"),
arg_str0(NULL, "iv", "<hex>", "Initialization vector to use. Must be odd and 7bits max"),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, false);
int offset = arg_get_int_def(ctx, 1, 0);
int len = arg_get_int_def(ctx, 2, 0);
int iv_len = 0;
uint8_t iv[1] = {0x01}; // formerly uidcrc
CLIGetHexWithReturn(ctx, 3, iv, &iv_len);
CLIParserFree(ctx);
// sanity checks
if (len + offset >= MAX_LENGTH) {
@ -557,9 +540,9 @@ static int CmdLegicRdbl(const char *Cmd) {
}
uint16_t datalen = 0;
int status = legic_read_mem(offset, len, iv, data, &datalen);
int status = legic_read_mem(offset, len, iv[0], data, &datalen);
if (status == PM3_SUCCESS) {
PrintAndLogEx(NORMAL, "\n ## | 0 1 2 3 4 5 6 7 8 9 A B C D E F 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F");
PrintAndLogEx(NORMAL, " ## | 0 1 2 3 4 5 6 7 8 9 A B C D E F 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F");
PrintAndLogEx(NORMAL, "-----+------------------------------------------------------------------------------------------------");
print_hex_break(data, datalen, 32);
}

1
doc/cliparser_todo.txt
View file

@ -82,7 +82,6 @@ hf legic reader
hf legic info
hf legic dump
hf legic restore
hf legic rdbl
hf legic sim
hf legic wrbl
hf legic eload