1 files changed, 76 insertions, 0 deletions
diff --git a/standalone/installer.sh b/standalone/installer.sh
new file mode 100644
index 0000000..59a44f8
--- /dev/null
+++ b/standalone/installer.sh
@@ -0,0 +1,76 @@
+#!/sbin/sh
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright (C) 2015-2017 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+
+SCRIPT="$1"
+OUTFD="$2"
+ZIP="$3"
+ARCH="$(getprop ro.product.cpu.abi)"
+
+print() {
+	echo "ui_print [+] $*" >&$OUTFD
+}
+
+die() {
+	echo "ui_print [-] $*" >&$OUTFD
+	exit 1
+}
+
+cleanup() {
+	mount -o ro,remount /system
+	rm -rf /tmp/wireguard
+}
+
+mount_system() {
+	local slot dev
+
+	if grep -q /system /proc/mounts; then
+		print "Remounting system partition r/w"
+		mount -o rw,remount /system
+	else
+		print "Mounting system partition"
+
+		slot="$(getprop ro.boot.slot_suffix)"
+		[ -z "$slot" ] && slot="$(getprop ro.boot.slot)"
+
+		dev="$(find /dev/block -iname "system$slot" -print | head -n 1)"
+		[ -n "$dev" ] || die "Could not find system partition"
+
+		mount -o rw "$dev" /system || die "Could not mount system partition"
+	fi
+}
+
+echo "ui_print ==================================" >&$OUTFD
+echo "ui_print =          WireGuard Tools       =" >&$OUTFD
+echo "ui_print =             by zx2c4           =" >&$OUTFD
+echo "ui_print =         www.wireguard.com      =" >&$OUTFD
+echo "ui_print ==================================" >&$OUTFD
+
+trap cleanup INT TERM EXIT
+
+mount_system
+
+rm -rf /tmp/wireguard
+mkdir -p /tmp/wireguard
+print "Extracting files"
+unzip -d /tmp/wireguard "$ZIP"
+[ -f /tmp/wireguard/arch/$ARCH/wg ] || die "Not available for device's ABI"
+print "Copying WireGuard tools"
+cp /tmp/wireguard/scripts/wg-quick /tmp/wireguard/arch/$(getprop ro.product.cpu.abi)/wg /system/xbin/
+cp /tmp/wireguard/addon.d/40-wireguard.sh /system/addon.d/
+chmod 755 /system/xbin/wg /system/xbin/wg-quick /system/addon.d/40-wireguard.sh
+
+if [ ! -f /system/xbin/bash ]; then
+	print "Installing bash"
+	cp /tmp/wireguard/arch/$ARCH/bash /system/xbin/
+	chmod 755 /system/xbin/bash
+	if [ -d /system/lib64 -a ! -f /system/lib64/libncurses.so ]; then
+		cp /tmp/wireguard/arch/$ARCH/libncurses.so /system/lib64/
+	elif [ ! -d /system/lib64 -a ! -f /system/lib/libncurses.so ]; then
+		cp /tmp/wireguard/arch/$ARCH/libncurses.so /system/lib/
+	fi
+fi
+
+mkdir -pm 700 /data/misc/wireguard
+print "Success! Be sure your kernel has the WireGuard module enabled."