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fix cotag memory bugs. was off-by-one

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This commit is contained in:
iceman1001
2020-08-25 15:34:10 +02:00
parent 6d5b12a7b3
commit 32c614db7b
4 changed files with 81 additions and 89 deletions
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11
client/src/cmdlfcotag.c
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@@ -84,9 +84,11 @@ static int CmdCOTAGRead(const char *Cmd) {
uint32_t rawsignal = 1;
sscanf(Cmd, "%u", &rawsignal);
PacketResponseNG resp;
clearCommandBuffer();
SendCommandMIX(CMD_LF_COTAG_READ, rawsignal, 0, 0, NULL, 0);
if (!WaitForResponseTimeout(CMD_LF_COTAG_READ, NULL, 7000)) {
if (!WaitForResponseTimeout(CMD_LF_COTAG_READ, &resp, 7000)) {
PrintAndLogEx(WARNING, "command execution time out");
return PM3_ETIMEOUT;
}
@@ -100,11 +102,8 @@ static int CmdCOTAGRead(const char *Cmd) {
break;
}
case 1: {
if (!GetFromDevice(BIG_BUF, DemodBuffer, COTAG_BITS, 0, NULL, 0, NULL, 1000, false)) {
PrintAndLogEx(WARNING, "timeout while waiting for reply.");
return PM3_ETIMEOUT;
}
PrintAndLogEx(INFO, "ICE_:: bits %u", resp.length);
memcpy(DemodBuffer, resp.data.asBytes, COTAG_BITS);
DemodBufferLen = COTAG_BITS;
return CmdCOTAGDemod("");
}