Add --daemon

create_ap

@@ -45,6 +45,7 @@ usage() {
     echo "                      close create_ap, then use this option to switch your interface"
     echo "                      back to managed"
     echo "  --mac <MAC>         Set MAC address"
+    echo "  --daemon            Run create_ap in the background"
     echo "  --stop <id>         Send stop command to an already running create_ap. For an <id>"
     echo "                      you can put the PID of create_ap or the WiFi interface. You can"
     echo "                      get them with --list"
@@ -71,6 +72,7 @@ usage() {
     echo "  $(basename $0) -m bridge wlan0 eth0 MyAccessPoint MyPassPhrase"
     echo "  $(basename $0) -m bridge wlan0 br0 MyAccessPoint MyPassPhrase"
     echo "  $(basename $0) --driver rtl871xdrv wlan0 eth0 MyAccessPoint MyPassPhrase"
+    echo "  $(basename $0) --daemon wlan0 eth0 MyAccessPoint MyPassPhrase"
     echo "  $(basename $0) --stop wlan0"
 }
 
@@ -412,6 +414,7 @@ FIX_UNMANAGED=0
 COUNTRY=
 FREQ_BAND=2.4
 NEW_MACADDR=
+DAEMONIZE=0
 LIST_RUNNING=0
 STOP_ID=
 
@@ -431,7 +434,7 @@ cleanup() {
     trap "" SIGUSR1
 
     echo
-    echo "Doing cleanup..."
+    echo -n "Doing cleanup.. "
 
     # exiting
     for x in $CONFDIR/*.pid; do
@@ -509,6 +512,8 @@ cleanup() {
         fi
         networkmanager_rm_unmanaged_if_needed ${WIFI_IFACE} ${OLD_MACADDR}
     fi
+
+    echo "done"
 }
 
 die() {
@@ -556,9 +561,10 @@ send_stop() {
 trap "die" SIGINT
 trap "die" SIGUSR1
 
-ARGS=$(getopt -o hc:w:g:dnm: -l "help","hidden","ieee80211n","ht_capab:","driver:","no-virt","fix-unmanaged","country:","freq-band:","mac:","stop:","list" -n $(basename $0) -- "$@")
+ARGS=( "$@" )
+GETOPT_ARGS=$(getopt -o hc:w:g:dnm: -l "help","hidden","ieee80211n","ht_capab:","driver:","no-virt","fix-unmanaged","country:","freq-band:","mac:","daemon","stop:","list" -n $(basename $0) -- "$@")
 [[ $? -ne 0 ]] && exit 1
-eval set -- "$ARGS"
+eval set -- "$GETOPT_ARGS"
 
 while :; do
     case "$1" in
@@ -635,6 +641,10 @@ while :; do
             NEW_MACADDR="$1"
             shift
             ;;
+        --daemon)
+            shift
+            DAEMONIZE=1
+            ;;
         --stop)
             shift
             STOP_ID="$1"
@@ -676,6 +686,18 @@ if [[ $FIX_UNMANAGED -eq 1 ]]; then
     exit 0
 fi
 
+if [[ $DAEMONIZE -eq 1 ]]; then
+    # remove --daemon
+    NEW_ARGS=( )
+    for x in "${ARGS[@]}"; do
+        [[ "$x" != "--daemon" ]] && NEW_ARGS+=( "$x" )
+    done
+
+    # fork()/setsid()/fork()
+    setsid "$0" "${NEW_ARGS[@]}" &
+    exit 0
+fi
+
 if [[ $FREQ_BAND != 2.4 && $FREQ_BAND != 5 ]]; then
     echo "ERROR: Invalid frequency band" >&2
     exit 1