Be more strict about what to allow in a request

1 files changed, 2 insertions, 2 deletions

diff --git a/minimunin b/minimunin
index 9319f6b..a36372f 100755
--- a/minimunin
+++ b/minimunin
@@ -18,8 +18,8 @@ main() {
     while read command arg; do
 
         # chomp
-        command=`printf %s "${command}" | /usr/bin/tr -d '\r'`
-        arg=`printf %s "${arg}" | /usr/bin/tr -d '\r'`
+        command=`printf %s "${command}" | /usr/bin/tr -cd '[:alnum:]_-. '`
+        arg=`printf %s "${arg}" | /usr/bin/tr -cd '[:alnum:]_-. '`
 
         # printf "%s %s\n" "$command" "$arg" >> /var/log/minimunin.log
         # dispatch commands