lucca
124 lines
2.8 KiB
Bash
Executable File
124 lines
2.8 KiB
Bash
Executable File
#!/bin/sh
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# Aggressive standalone local-only hotspot
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# Tries to fully release Android's control of the radio
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IFACE="wlan1"
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SSID="vegeta black"
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PSK="supermarioinreallife"
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CHANNEL="6"
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AP_IP="192.168.43.1"
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NET="192.168.43.0/24"
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DHCP_RANGE="192.168.43.10,192.168.43.50,12h"
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[ "$(id -u)" -ne 0 ] && { echo "Need root"; exit 1; }
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echo "[*] Aggressively stopping Android Wi-Fi stack..."
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# Stop as many Android Wi-Fi related services as possible
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svc wifi disable 2>/dev/null
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stop wpa_supplicant 2>/dev/null
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stop wifi 2>/dev/null
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killall wpa_supplicant hostapd dnsmasq wificond 2>/dev/null
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sleep 2
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# Extra force
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setprop ctl.stop wpa_supplicant 2>/dev/null
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setprop ctl.stop wifi 2>/dev/null
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sleep 1
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echo "[*] Fully resetting $IFACE..."
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ip link set "$IFACE" down 2>/dev/null
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ip addr flush dev "$IFACE" 2>/dev/null
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ip route flush dev "$IFACE" 2>/dev/null
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# Delete and recreate the interface if possible
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iw dev "$IFACE" del 2>/dev/null
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sleep 1
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# Try to create a clean AP interface
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iw phy phy0 interface add "$IFACE" type __ap 2>/dev/null || \
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iw phy phy0 interface add "$IFACE" type ap 2>/dev/null
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sleep 1
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ip link set "$IFACE" up 2>/dev/null
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sleep 1
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# Disable reverse path filter
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echo 0 > /proc/sys/net/ipv4/conf/all/rp_filter
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echo 0 > /proc/sys/net/ipv4/conf/"$IFACE"/rp_filter 2>/dev/null
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# hostapd config
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cat > /tmp/hostapd-$IFACE.conf <<EOF
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interface=$IFACE
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driver=nl80211
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ssid=$SSID
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hw_mode=g
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channel=$CHANNEL
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ieee80211n=1
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wmm_enabled=1
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auth_algs=1
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wpa=2
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wpa_passphrase=$PSK
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wpa_key_mgmt=WPA-PSK
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rsn_pairwise=CCMP
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ignore_broadcast_ssid=0
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EOF
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echo "[*] Starting hostapd..."
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hostapd -B /tmp/hostapd-$IFACE.conf
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if [ $? -ne 0 ]; then
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echo
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echo "Still failed. Trying one last method..."
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# Last resort: bring interface down/up again
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ip link set "$IFACE" down
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sleep 2
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iw dev "$IFACE" set type __ap 2>/dev/null
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ip link set "$IFACE" up
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sleep 2
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hostapd -B /tmp/hostapd-$IFACE.conf || {
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echo
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echo "Standalone hostapd is not working reliably on this device."
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echo "The internal Wi-Fi firmware is still holding management frames."
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exit 1
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}
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fi
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sleep 1
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# Configure IP
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ip addr add $AP_IP/24 broadcast 192.168.43.255 dev $IFACE
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ip link set $IFACE up
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ip route add $NET dev $IFACE src $AP_IP 2>/dev/null
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# Firewall
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iptables -I INPUT -i $IFACE -j ACCEPT
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iptables -I OUTPUT -o $IFACE -j ACCEPT
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iptables -I FORWARD -i $IFACE -j ACCEPT
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iptables -I FORWARD -o $IFACE -j ACCEPT
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# DHCP
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echo "[*] Starting dnsmasq..."
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dnsmasq \
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--interface=$IFACE \
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--bind-interfaces \
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--dhcp-range=$DHCP_RANGE \
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--dhcp-option=3,$AP_IP \
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--dhcp-option=6,$AP_IP \
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--port=0 \
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--no-resolv \
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--pid-file=/tmp/dnsmasq-$IFACE.pid &
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sleep 2
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echo
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echo "=== Standalone Hotspot ==="
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echo "SSID : $SSID"
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echo "Password : $PSK"
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echo "Gateway : $AP_IP"
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echo
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iw dev $IFACE info 2>/dev/null | head -12
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echo
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ip -4 addr show $IFACE
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