Public/fhem-mirror
1
0
Fork 0
mirror of https://github.com/fhem/fhem-mirror.git synced 2025-05-04 22:19:38 +00:00
Code Issues Packages Projects Releases Wiki Activity

00_MQTT2_CLIENT.pm: defend against deep recursion(?) (Froum #92946)

Browse Source 
git-svn-id: https://svn.fhem.de/fhem/trunk/fhem@17707 2b470e98-0d58-463d-a4d8-8e2adae1ed80
This commit is contained in:
rudolfkoenig 2018-11-08 12:03:27 +00:00
parent dd61a87a89
commit fb4c024cb2
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
FHEM/00_MQTT2_CLIENT.pm
View File

@ -251,9 +251,10 @@ MQTT2_CLIENT_Read($@)
} }
my ($tlen, $off) = MQTT2_CLIENT_getRemainingLength($hash); my ($tlen, $off) = MQTT2_CLIENT_getRemainingLength($hash);
if($tlen < 0) { if($tlen < 0 || $tlen+$off<=0) {
Log3 $name, 1, "Bogus data from $name, closing connection"; Log3 $name, 1, "Bogus data from $name, closing connection";
MQTT2_CLIENT_Disco($hash); MQTT2_CLIENT_Disco($hash);
return;
} }
return if(length($hash->{BUF}) < $tlen+$off); return if(length($hash->{BUF}) < $tlen+$off);