From 06b82e6a6d84d81ba84140dcd1417fcd27b71554 Mon Sep 17 00:00:00 2001
From: "izsh@fail0verflow.com"
<izsh@fail0verflow.com@ef4ab9da-24cd-11de-8aaa-f3a34680c41f>
Date: Sun, 20 Oct 2013 11:46:51 +0000
Subject: [PATCH 1/1] cmdhf14b.c: fixing a crash in the crc computation when
missing data (e.g. with 'hf 14b raw -c -p')
---
client/cmdhf14b.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/client/cmdhf14b.c b/client/cmdhf14b.c
index 5317994f..6696ac09 100644
--- a/client/cmdhf14b.c
+++ b/client/cmdhf14b.c
@@ -334,6 +334,11 @@ int CmdHF14BCmdRaw (const char *cmd) {
PrintAndLog("Invalid char on input");
return 0;
}
+ if (datalen == 0)
+ {
+ PrintAndLog("Missing data input");
+ return 0;
+ }
if(crc)
{
uint8_t first, second;
--
2.39.5