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fix select command via iso channel (with wrapper)

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This commit is contained in:
merlokk 2021-08-25 13:28:39 +03:00
parent fddf7cf6b8
commit 4bf3c43c7f
1 changed files with 23 additions and 8 deletions
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31
client/src/mifare/desfirecore.c
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@ -1586,14 +1586,14 @@ bool DesfireCheckAuthCmd(DesfireISOSelectWay way, uint32_t appID, uint8_t keyNum
if (res != PM3_SUCCESS)
return false;
uint8_t data[] = {keyNum, (checklrp) ? 0x01 : 0x00, 0x02};
uint8_t data[] = {keyNum, 0x01, (checklrp) ? 0x02 : 0x00};
uint8_t datalen = (authcmd == MFDES_AUTHENTICATE_EV2F) ? 2 : 1;
if (checklrp)
if (checklrp)
datalen = 3;
res = DesfireExchangeEx(false, &dctx, authcmd, data, datalen, &respcode, recv_data, &recv_len, false, 0);
DropField();
if (checklrp)
if (checklrp)
return (res == PM3_SUCCESS && respcode == 0xaf && recv_len == 17 && recv_data[0] == 0x01);
else
return (res == PM3_SUCCESS && respcode == 0xaf);
@ -1606,9 +1606,11 @@ static bool DesfireCheckISOAuthCmd(DesfireISOSelectWay way, uint32_t appID, char
dctx.commMode = DCMPlain;
dctx.cmdSet = DCCISO;
bool app_level = DesfireMFSelected(way, appID);
int res = DesfireSelect(&dctx, way, appID, dfname);
if (res != PM3_SUCCESS)
return false;
bool app_level = !DesfireMFSelected(way, appID);
uint8_t rndlen = DesfireGetRndLenForKey(keytype);
uint8_t piccrnd[64] = {0};
@ -2948,18 +2950,31 @@ int DesfireSelectEx(DesfireContext_t *ctx, bool fieldon, DesfireISOSelectWay way
size_t resplen = 0;
if (way == ISWMF || (way == ISWDFName && dfname == NULL)) {
return DesfireISOSelect(ctx, ISSMFDFEF, NULL, 0, resp, &resplen);
return DesfireISOSelectEx(ctx, fieldon, ISSMFDFEF, NULL, 0, resp, &resplen);
} else if (way == ISW6bAID) {
if (id == 0x000000 && fieldon)
return DesfireAnticollision(false);
DesfireCommandSet cmdset = ctx->cmdSet;
int res;
// if we try to select 6b AID via ISO channel - we can only switch the channel via the over channel because there is no equivalent command in the iso commands
if (ctx->cmdSet == DCCISO)
ctx->cmdSet = DCCNativeISO;
if (fieldon)
return DesfireSelectAIDHex(ctx, id, false, 0);
res = DesfireSelectAIDHex(ctx, id, false, 0);
else
return DesfireSelectAIDHexNoFieldOn(ctx, id);
res = DesfireSelectAIDHexNoFieldOn(ctx, id);
ctx->cmdSet = cmdset;
return res;
} else if (way == ISWIsoID) {
uint8_t data[2] = {0};
Uint2byteToMemBe(data, id);
return DesfireISOSelectEx(ctx, fieldon, ISSMFDFEF, data, 2, resp, &resplen);
} else if (way == ISWDFName) {
return DesfireISOSelect(ctx, ISSMFDFEF, NULL, 0, resp, &resplen);
return DesfireISOSelectEx(ctx, fieldon, ISSMFDFEF, NULL, 0, resp, &resplen);
}
return PM3_ESOFT;
}