Add init.d script: disable Captive Portal

init.d/disable_captiveportal.sh

@@ -0,0 +1,38 @@
+#!/system/bin/sh
+
+# AOSP 11 Captive Portal is a network connectivity check procedure
+# executed when you connect to a WLAN network which has
+# a user sign-in web form. It uses HTTP status code 204.
+#
+# AOSP 11 default Captive Portal URLs are as follows:
+#
+#   http://www.google.com/gen_204
+#   http://play.googleapis.com/generate_204
+#   https://www.google.com/generate_204
+#   http://www.googleapis.cn/generate_204
+#   https://connectivitycheck.gstatic.com/generate_204
+#   https://ipv6.google.com/generate_204
+#
+# Defined in AOSP 11 source code paths
+#   cts/apps/CtsVerifier/src/com/android/cts/verifier/net/ConnectivityBackgroundTestActivity.java
+#   external/autotest/client/common_lib/cros/dbus_send_unittest.py
+#   packages/modules/NetworkStack/res/values/config.xml
+#   packages/modules/NetworkStack/res/values-mcc460/config.xml
+#   packages/modules/NetworkStack/src/android/net/util/NetworkStackUtils.java
+#   packages/modules/NetworkStack/tests/unit/src/com/android/server/connectivity/NetworkMonitorTest.java
+#   packages/apps/TV/src/com/android/tv/util/NetworkUtils.java
+#   system/extras/multinetwork/quick_test.sh
+#
+
+# Global options
+#
+# 0: Completely disable captive portal checks
+# 1: Enable captive portal checks (default)
+#
+settings put global captive_portal_detection_enabled 0
+
+# 0: Don't attempt to detect captive portals
+# 1: Prompt user to sign in
+# 2: Immediately disconnect from network and do not reconnect to that network in the future
+#
+settings put global captive_portal_mode 0