mirror of
https://github.com/lakinduakash/linux-wifi-hotspot.git
synced 2024-11-21 19:40:11 +00:00
Lakindu Akash
GitHub
commit
f2b9d47d86
@ -62,6 +62,8 @@ usage() {
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echo " --mac <MAC> Set MAC address"
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echo " --dhcp-dns <IP1[,IP2]> Set DNS returned by DHCP"
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echo " --daemon Run create_ap in the background"
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echo " --pidfile <pidfile> Save daemon PID to file"
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echo " --logfile <logfile> Save daemon messages to file"
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echo " --stop <id> Send stop command to an already running create_ap. For an <id>"
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echo " you can put the PID of create_ap or the WiFi interface. You can"
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echo " get them with --list-running"
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@ -101,6 +103,17 @@ usage() {
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echo " "$PROGNAME" --stop wlan0"
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}
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# Busybox polyfills
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if cp --help 2>&1 | grep -q -- --no-clobber; then
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cp_n() {
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cp -n "$@"
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}
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else
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cp_n() {
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yes n | cp -i "$@"
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}
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fi
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# on success it echos a non-zero unused FD
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# on error it echos 0
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get_avail_fd() {
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@ -300,26 +313,6 @@ can_be_ap() {
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return 1
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}
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get_avail_channel_list() {
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AVAIL_CH_LIST=$(\
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get_adapter_info ${IFACE} | \
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grep "\* [0-9]* MHz \[[0-9]*\]" | \
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while read l; do\
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[[ $l != *disabled* ]] && [[ $l != *no\ IR* ]] && echo "$l";\
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done | \
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sed 's/^* //'
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)
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if [[ -z "$AVAIL_CH_LIST" ]]; then
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echo "Cannot determine which channels are supported"
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return 1
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# else
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# echo "$AVAIL_CH_LIST"
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fi
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return 0
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}
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can_transmit_to_channel() {
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local IFACE CHANNEL_NUM CHANNEL_INFO
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IFACE=$1
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@ -374,10 +367,6 @@ is_wifi_connected() {
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return 1
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}
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#is_wifi_connected() {
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# return 1
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#}
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is_macaddr() {
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echo "$1" | grep -E "^([0-9a-fA-F]{2}:){5}[0-9a-fA-F]{2}$" > /dev/null 2>&1
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}
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@ -488,8 +477,15 @@ networkmanager_is_running() {
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[[ -n "$NMCLI_OUT" ]]
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}
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networkmanager_knows_iface() {
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# check if the interface $1 is known to NetworkManager
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# an interface may exist but may not be known to NetworkManager if it is in a different network namespace than NetworkManager
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nmcli -t -f DEVICE d 2>&1 | grep -Fxq "$1"
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}
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networkmanager_iface_is_unmanaged() {
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is_interface "$1" || return 2
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networkmanager_knows_iface "$1" || return 0
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(nmcli -t -f DEVICE,STATE d 2>&1 | grep -E "^$1:unmanaged$" > /dev/null 2>&1) || return 1
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}
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@ -649,10 +645,11 @@ VHT_CAPAB=
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DRIVER=nl80211
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NO_VIRT=0
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COUNTRY=
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FREQ_BAND_SET=0
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FREQ_BAND=2.4
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NEW_MACADDR=
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DAEMONIZE=0
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DAEMON_PIDFILE=
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DAEMON_LOGFILE=/dev/null
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NO_HAVEGED=0
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USE_PSK=0
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@ -661,7 +658,7 @@ REDIRECT_TO_LOCALHOST=0
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CONFIG_OPTS=(CHANNEL GATEWAY WPA_VERSION ETC_HOSTS DHCP_DNS NO_DNS NO_DNSMASQ HIDDEN MAC_FILTER MAC_FILTER_ACCEPT ISOLATE_CLIENTS
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SHARE_METHOD IEEE80211N IEEE80211AC HT_CAPAB VHT_CAPAB DRIVER NO_VIRT COUNTRY FREQ_BAND
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NEW_MACADDR DAEMONIZE NO_HAVEGED WIFI_IFACE INTERNET_IFACE
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NEW_MACADDR DAEMONIZE DAEMON_PIDFILE DAEMON_LOGFILE NO_HAVEGED WIFI_IFACE INTERNET_IFACE
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SSID PASSPHRASE USE_PSK)
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FIX_UNMANAGED=0
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@ -815,6 +812,10 @@ _cleanup() {
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mutex_unlock
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cleanup_lock
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if [[ $RUNNING_AS_DAEMON -eq 1 && -n "$DAEMON_PIDFILE" && -f "$DAEMON_PIDFILE" ]]; then
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rm $DAEMON_PIDFILE
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fi
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}
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cleanup() {
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@ -894,7 +895,7 @@ print_client() {
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if [[ -f $CONFDIR/dnsmasq.leases ]]; then
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line=$(grep " $mac " $CONFDIR/dnsmasq.leases | tail -n 1)
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ipaddr=$(echo $line | cut -d' ' -f3)
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hostname=$(echo $line | cut -d' ' -f4)
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hostname=$(echo "$line" | cut -d' ' -f4)
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fi
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[[ -z "$ipaddr" ]] && ipaddr="*"
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@ -1005,8 +1006,6 @@ write_config() {
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eval echo $config_opt=\$$config_opt
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done >> "$STORE_CONFIG"
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chmod 600 $STORE_CONFIG
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chown $(logname):$(logname) $STORE_CONFIG
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echo -e "Config options written to '$STORE_CONFIG'"
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exit 0
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}
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@ -1055,7 +1054,7 @@ for ((i=0; i<$#; i++)); do
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fi
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done
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GETOPT_ARGS=$(getopt -o hc:w:g:de:nm: -l "help","hidden","hostapd-debug:","redirect-to-localhost","mac-filter","mac-filter-accept:","isolate-clients","ieee80211n","ieee80211ac","ht_capab:","vht_capab:","driver:","no-virt","fix-unmanaged","country:","freq-band:","mac:","dhcp-dns:","daemon","stop:","list","list-running","list-clients:","version","psk","no-haveged","no-dns","no-dnsmasq","mkconfig:","config:" -n "$PROGNAME" -- "$@")
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GETOPT_ARGS=$(getopt -o hc:w:g:de:nm: -l "help","hidden","hostapd-debug:","redirect-to-localhost","mac-filter","mac-filter-accept:","isolate-clients","ieee80211n","ieee80211ac","ht_capab:","vht_capab:","driver:","no-virt","fix-unmanaged","country:","freq-band:","mac:","dhcp-dns:","daemon","pidfile:","logfile:","stop:","list","list-running","list-clients:","version","psk","no-haveged","no-dns","no-dnsmasq","mkconfig:","config:" -n "$PROGNAME" -- "$@")
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[[ $? -ne 0 ]] && exit 1
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eval set -- "$GETOPT_ARGS"
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@ -1176,6 +1175,16 @@ while :; do
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shift
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DAEMONIZE=1
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;;
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--pidfile)
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shift
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DAEMON_PIDFILE="$1"
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shift
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;;
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--logfile)
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shift
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DAEMON_LOGFILE="$1"
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shift
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;;
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--stop)
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shift
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STOP_ID="$1"
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@ -1258,7 +1267,8 @@ if [[ -n "$LOAD_CONFIG" && $# -eq 0 ]]; then
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fi
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# Check if required number of positional args are present
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if [[ $# -lt 1 && $FIX_UNMANAGED -eq 0 && -z "$STOP_ID" && $LIST_RUNNING -eq 0 && -z "$LIST_CLIENTS_ID" ]]; then
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if [[ $# -lt 1 && $FIX_UNMANAGED -eq 0 && -z "$STOP_ID" &&
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$LIST_RUNNING -eq 0 && -z "$LIST_CLIENTS_ID" ]]; then
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usage >&2
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exit 1
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fi
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@ -1270,11 +1280,6 @@ fi
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trap "cleanup_lock" EXIT
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if [[ $(id -u) -ne 0 ]]; then
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echo "You must run it as root." >&2
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exit 1
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fi
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if ! init_lock; then
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echo "ERROR: Failed to initialize lock" >&2
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exit 1
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@ -1299,6 +1304,11 @@ if [[ -n "$LIST_CLIENTS_ID" ]]; then
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exit 0
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fi
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if [[ $(id -u) -ne 0 ]]; then
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echo "You must run it as root." >&2
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exit 1
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fi
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if [[ -n "$STOP_ID" ]]; then
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echo "Trying to kill $PROGNAME instance associated with $STOP_ID..."
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send_stop "$STOP_ID"
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@ -1312,10 +1322,16 @@ if [[ $FIX_UNMANAGED -eq 1 ]]; then
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fi
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if [[ $DAEMONIZE -eq 1 && $RUNNING_AS_DAEMON -eq 0 ]]; then
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echo "Running as Daemon..."
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# Assume we're running underneath a service manager if PIDFILE is set
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# and don't clobber it's output with a useless message
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if [ -z "$DAEMON_PIDFILE" ]; then
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echo "Running as Daemon..."
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fi
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# run a detached create_ap
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RUNNING_AS_DAEMON=1 setsid "$0" "${ARGS[@]}" &
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RUNNING_AS_DAEMON=1 setsid "$0" "${ARGS[@]}" >>$DAEMON_LOGFILE 2>&1 &
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exit 0
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elif [[ $RUNNING_AS_DAEMON -eq 1 && -n "$DAEMON_PIDFILE" ]]; then
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echo $$ >$DAEMON_PIDFILE
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fi
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if [[ $FREQ_BAND != 2.4 && $FREQ_BAND != 5 ]]; then
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@ -1521,12 +1537,12 @@ mkdir -p $COMMON_CONFDIR
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if [[ "$SHARE_METHOD" == "nat" ]]; then
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echo $INTERNET_IFACE > $CONFDIR/nat_internet_iface
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cp -n /proc/sys/net/ipv4/conf/$INTERNET_IFACE/forwarding \
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cp_n /proc/sys/net/ipv4/conf/$INTERNET_IFACE/forwarding \
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$COMMON_CONFDIR/${INTERNET_IFACE}_forwarding
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fi
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cp -n /proc/sys/net/ipv4/ip_forward $COMMON_CONFDIR
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cp_n /proc/sys/net/ipv4/ip_forward $COMMON_CONFDIR
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if [[ -e /proc/sys/net/bridge/bridge-nf-call-iptables ]]; then
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cp -n /proc/sys/net/bridge/bridge-nf-call-iptables $COMMON_CONFDIR
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cp_n /proc/sys/net/bridge/bridge-nf-call-iptables $COMMON_CONFDIR
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fi
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mutex_unlock
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@ -1582,7 +1598,6 @@ if [[ $NO_VIRT -eq 0 ]]; then
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fi
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VIRTDIEMSG="Maybe your WiFi adapter does not fully support virtual interfaces.
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Try again with --no-virt."
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echo -n "Creating a virtual WiFi interface... "
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@ -1795,7 +1810,7 @@ if [[ "$SHARE_METHOD" != "none" ]]; then
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ip link add name $BRIDGE_IFACE type bridge || die
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ip link set dev $BRIDGE_IFACE up || die
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# set 0ms forward delay
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echo 0 > /sys/class/net/$BRIDGE_IFACE/bridge/forward_delay
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echo -n 0 > /sys/class/net/$BRIDGE_IFACE/bridge/forward_delay
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# attach internet interface to bridge interface
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ip link set dev $INTERNET_IFACE promisc on || die
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