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cmdhf14b.c: fixing a crash in the crc computation when missing data (e.g. with 'hf 14b raw -c -p')

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izsh@fail0verflow.com 2013-10-20 11:46:51 +00:00
parent 3f7c993d78
commit 06b82e6a6d
1 changed files with 5 additions and 0 deletions
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5
client/cmdhf14b.c
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@ -334,6 +334,11 @@ int CmdHF14BCmdRaw (const char *cmd) {
PrintAndLog("Invalid char on input"); PrintAndLog("Invalid char on input");
return 0; return 0;
} }
if (datalen == 0)
{
PrintAndLog("Missing data input");
return 0;
}
if(crc) if(crc)
{ {
uint8_t first, second; uint8_t first, second;