create_ap

commit 3f492587586b9f13f6f3f82d88f64beaf6c779df
parent 64790ff5f2a5ce83006aa967c637e27826812784
Author: oblique <psyberbits@gmail.com>
Date:   Thu, 28 Aug 2014 01:18:35 +0300

Check at the beginning if WIFI_IFACE is a WiFi interface or not

Diffstat:
M
create_ap
 | 
9
+++++++--

1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/create_ap b/create_ap
@@ -362,6 +362,13 @@ if [[ $(id -u) -ne 0 ]]; then
     exit 1
 fi
 
+WIFI_IFACE=$1
+
+if ! iw ${WIFI_IFACE} info > /dev/null 2>&1; then
+    echo "ERROR: ${WIFI_IFACE} is not a WiFi interface" >&2
+    exit 1
+fi
+
 if [[ "$SHARE_METHOD" != "nat" && "$SHARE_METHOD" != "bridge" && "$SHARE_METHOD" != "none" ]]; then
     echo "ERROR: Wrong Internet sharing method" >&2
     echo
@@ -369,8 +376,6 @@ if [[ "$SHARE_METHOD" != "nat" && "$SHARE_METHOD" != "bridge" && "$SHARE_METHOD"
     exit 1
 fi
 
-WIFI_IFACE=$1
-
 if [[ "$SHARE_METHOD" == "bridge" ]]; then
     OLD_BRIDGE_IPTABLES=$(cat /proc/sys/net/bridge/bridge-nf-call-iptables)
     BRIDGE_IFACE=$(get_avail_bridge)