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adding param to override the hw dbg settings. ie making checking for default keys silent

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This commit is contained in:
iceman1001 2024-02-16 17:48:44 +01:00
commit cae23e43e6
1 changed files with 36 additions and 21 deletions
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57
client/src/cmdhfmfu.c
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@ -417,17 +417,20 @@ int trace_mfuc_try_default_3des_keys(uint8_t **correct_key, int state, uint8_t (
return PM3_ESOFT;
}
static int try_default_3des_keys(uint8_t **correct_key) {
// param override, means we override hw debug levels.
static int try_default_3des_keys(bool override, uint8_t **correct_key) {
uint8_t dbg_curr = DBG_NONE;
if (getDeviceDebugLevel(&dbg_curr) != PM3_SUCCESS) {
return PM3_ESOFT;
}
if (override) {
if (getDeviceDebugLevel(&dbg_curr) != PM3_SUCCESS) {
return PM3_ESOFT;
}
if (setDeviceDebugLevel(DBG_NONE, false) != PM3_SUCCESS) {
return PM3_ESOFT;
}
if (setDeviceDebugLevel(DBG_NONE, false) != PM3_SUCCESS) {
return PM3_ESOFT;
}
}
int res = PM3_ESOFT;
PrintAndLogEx(INFO, "");
@ -442,21 +445,25 @@ static int try_default_3des_keys(uint8_t **correct_key) {
}
}
setDeviceDebugLevel(dbg_curr, false);
if (override) {
setDeviceDebugLevel(dbg_curr, false);
}
return res;
}
static int try_default_aes_keys(void) {
/*
// param override, means we override hw debug levels.
static int try_default_aes_keys(bool override) {
uint8_t dbg_curr = DBG_NONE;
if (getDeviceDebugLevel(&dbg_curr) != PM3_SUCCESS) {
return PM3_ESOFT;
}
if (override) {
if (getDeviceDebugLevel(&dbg_curr) != PM3_SUCCESS) {
return PM3_ESOFT;
}
if (setDeviceDebugLevel(DBG_NONE, false) != PM3_SUCCESS) {
return PM3_ESOFT;
if (setDeviceDebugLevel(DBG_NONE, false) != PM3_SUCCESS) {
return PM3_ESOFT;
}
}
*/
int res = PM3_ESOFT;
@ -495,7 +502,9 @@ static int try_default_aes_keys(void) {
}
}
// setDeviceDebugLevel(dbg_curr, false);
if (override) {
setDeviceDebugLevel(dbg_curr, false);
}
return res;
}
@ -2007,6 +2016,8 @@ static int CmdHF14AMfUInfo(const char *Cmd) {
arg_param_begin,
arg_str0("k", "key", "<hex>", "Authentication key (UL-C 16 bytes, EV1/NTAG 4 bytes)"),
arg_lit0("l", NULL, "Swap entered key's endianness"),
// arg_lit0("v", "verbose", "verbose output"),
arg_lit0(NULL, "force", "override `hw dbg` settings"),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, true);
@ -2015,6 +2026,8 @@ static int CmdHF14AMfUInfo(const char *Cmd) {
uint8_t authenticationkey[16] = {0x00};
CLIGetHexWithReturn(ctx, 1, authenticationkey, &ak_len);
bool swap_endian = arg_get_lit(ctx, 2);
// bool verbose = arg_get_lit(ctx, 3);
bool override = arg_get_lit(ctx, 3);
CLIParserFree(ctx);
if (ak_len) {
@ -2039,8 +2052,9 @@ static int CmdHF14AMfUInfo(const char *Cmd) {
int len;
uint64_t tagtype = GetHF14AMfU_Type();
if (tagtype == MFU_TT_UL_ERROR)
if (tagtype == MFU_TT_UL_ERROR) {
return PM3_ESOFT;
}
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(INFO, "--- " _CYAN_("Tag Information") " --------------------------");
@ -2108,7 +2122,7 @@ static int CmdHF14AMfUInfo(const char *Cmd) {
}
// also try to diversify default keys.. look into CmdHF14AMfGenDiverseKeys
if (try_default_3des_keys(&key) == PM3_SUCCESS) {
if (try_default_3des_keys(override, &key) == PM3_SUCCESS) {
PrintAndLogEx(SUCCESS, "Found default 3des key: ");
uint8_t keySwap[16];
memcpy(keySwap, SwapEndian64(key, 16, 8), 16);
@ -2128,9 +2142,10 @@ static int CmdHF14AMfUInfo(const char *Cmd) {
DropField();
// also try to diversify default keys.. look into CmdHF14AMfGenDiverseKeys
if (try_default_aes_keys() != PM3_SUCCESS) {
if (try_default_aes_keys(override) != PM3_SUCCESS) {
PrintAndLogEx(INFO, "n/a");
}
DropField();
PrintAndLogEx(INFO, "Done!");
}
@ -3531,7 +3546,7 @@ static int CmdHF14AMfUCAuth(const char *Cmd) {
// If no hex key is specified, try default keys
if (ak_len == 0) {
isok = (try_default_3des_keys(&authKeyPtr) == PM3_SUCCESS);
isok = (try_default_3des_keys(false, &authKeyPtr) == PM3_SUCCESS);
} else {
// try user-supplied
isok = ulc_authentication(authKeyPtr, !keep_field_on);