feat: support auto update qqwrt.dat

backend/qqwry-update.sh

@@ -0,0 +1,32 @@
+#!/bin/sh
+
+cd `dirname $0`
+mkdir -p temp
+cd temp
+wget http://update.cz88.net/ip/copywrite.rar
+wget http://update.cz88.net/ip/qqwry.rar
+
+cat > unlock.php <<EOF 
+<?php
+\$copywrite = file_get_contents("copywrite.rar");
+\$qqwry = file_get_contents("qqwry.rar");
+\$key = unpack("V6", \$copywrite)[6];
+for (\$i = 0; \$i < 0x200; \$i++) {
+	\$key *= 0x805;
+	\$key++;
+	\$key = \$key & 0xFF;
+	\$qqwry[\$i] = chr(ord(\$qqwry[\$i]) ^ \$key);
+}
+\$qqwry = gzuncompress(\$qqwry);
+\$fp = fopen("qqwry.dat", "wb");
+if (\$fp) {
+	fwrite(\$fp, \$qqwry);
+	fclose(\$fp);
+}
+?>
+EOF
+
+php unlock.php
+cd ..
+cp -f temp/qqwry.dat qqwry.dat
+rm -rf temp/