Make people don't try scanning for files they shouldn't have 
access to normally.

http://bugs.gentoo.org/show_bug.cgi?id=82544

--- bin/sitenfo.sh
+++ bin/sitenfo.sh
@@ -37,6 +37,11 @@
     exit 0
 }
 
+[ "${1/..\/}" != "$1" ] && {
+	echo "That zipfile does not exist!"
+	exit 1
+}
+
 [ ! -e "$1" ] && {
     echo "That zipfile does not exist!"
     exit 1
--- bin/sitezipchk.sh
+++ bin/sitezipchk.sh
@@ -37,6 +37,11 @@
     exit 0
 }
 
+[ "${1/..\/}" != "$1" ] && {
+	echo "That zipfile does not exist!"
+	exit 1
+}
+
 [ ! -e "$1" ] && {
     echo "That zipfile does not exist!"
     exit 1
--- bin/siteziplist.sh
+++ bin/siteziplist.sh
@@ -37,6 +37,11 @@
     exit 0
 }
 
+[ "${1/..\/}" != "$1" ] && {
+	echo "That zipfile does not exist!"
+	exit 1
+}
+
 [ ! -e "$1" ] && {
     echo "That zipfile does not exist!"
     exit 1