Add support for WiFi in emulator

am: 127395fc8f

Change-Id: I05bff54a221536812e757c09a156c8b3be8f3af4

target/board/generic/sepolicy/execns.te

@@ -0,0 +1,20 @@
+# Network namespace transitions
+type execns, domain, domain_deprecated;
+type execns_exec, exec_type, file_type;
+
+init_daemon_domain(execns)
+
+allow execns varrun_file:dir search;
+allow execns self:capability sys_admin;
+
+#Allow execns itself to be run by init in its own domain
+domain_auto_trans(init, execns_exec, execns);
+
+# Allow hostapd to be run by execns in its own domain
+domain_auto_trans(execns, hostapd_exec, hostapd);
+allow hostapd execns:fd use;
+
+# Allow dnsmasq to be run by execns in its own domain
+domain_auto_trans(execns, dnsmasq_exec, dnsmasq);
+allow dnsmasq execns:fd use;
+

target/board/generic/sepolicy/file.te

@@ -1 +1,3 @@
+type sysfs_writable, fs_type, sysfs_type, mlstrustedobject;
+type varrun_file, file_type, data_file_type, mlstrustedobject;
 type mediadrm_vendor_data_file, file_type, data_file_type;

target/board/generic/sepolicy/file_contexts

@@ -18,6 +18,8 @@
 /vendor/bin/init\.ranchu-core\.sh u:object_r:goldfish_setup_exec:s0
 /vendor/bin/init\.ranchu-net\.sh u:object_r:goldfish_setup_exec:s0
 /vendor/bin/qemu-props       u:object_r:qemu_props_exec:s0
+/system/bin/execns           u:object_r:execns_exec:s0
+/system/bin/ipv6proxy        u:object_r:ipv6proxy_exec:s0
 
 /vendor/bin/hw/android\.hardware\.drm@1\.0-service\.widevine          u:object_r:hal_drm_widevine_exec:s0
 
@@ -36,4 +38,5 @@
 
 # data
 /data/vendor/mediadrm(/.*)?            u:object_r:mediadrm_vendor_data_file:s0
+/data/var/run(/.*)?                    u:object_r:varrun_file:s0
 

target/board/generic/sepolicy/goldfish_setup.te

@@ -11,3 +11,15 @@ allow goldfish_setup vendor_toolbox_exec:file execute_no_trans;
 allowxperm goldfish_setup self:udp_socket ioctl priv_sock_ioctls;
 wakelock_use(goldfish_setup);
 allow goldfish_setup vendor_shell_exec:file { rx_file_perms };
+
+# Set system properties to start services
+set_prop(goldfish_setup, ctl_default_prop);
+
+# Set up WiFi
+allow goldfish_setup self:netlink_route_socket nlmsg_write;
+allow goldfish_setup self:netlink_socket create_socket_perms;
+allow goldfish_setup self:capability { sys_module sys_admin };
+allow goldfish_setup varrun_file:dir { mounton write add_name search remove_name };
+allow goldfish_setup varrun_file:file { mounton getattr create read write open unlink };
+allow goldfish_setup execns_exec:file rx_file_perms;
+allow goldfish_setup proc_net:file w_file_perms;

target/board/generic/sepolicy/ipv6proxy.te

@@ -0,0 +1,15 @@
+# IPv6 proxying
+type ipv6proxy, domain, domain_deprecated;
+type ipv6proxy_exec, exec_type, file_type;
+
+init_daemon_domain(ipv6proxy)
+net_domain(ipv6proxy)
+
+# Allow ipv6proxy to be run by execns in its own domain
+domain_auto_trans(execns, ipv6proxy_exec, ipv6proxy);
+allow ipv6proxy execns:fd use;
+
+allow ipv6proxy self:capability { sys_admin sys_module net_admin net_raw };
+allow ipv6proxy self:packet_socket { bind create read };
+allow ipv6proxy self:netlink_route_socket nlmsg_write;
+allow ipv6proxy varrun_file:dir search;

target/board/generic_x86/BoardConfig.mk

@@ -67,3 +67,14 @@ BOARD_VNDK_VERSION := current
 # Enable A/B update
 TARGET_NO_RECOVERY := true
 BOARD_BUILD_SYSTEM_ROOT_IMAGE := true
+
+# Wifi.
+BOARD_WLAN_DEVICE           := wlan0
+BOARD_HOSTAPD_DRIVER        := NL80211
+BOARD_WPA_SUPPLICANT_DRIVER := NL80211
+BOARD_HOSTAPD_PRIVATE_LIB   := lib_driver_cmd_simulated
+BOARD_WPA_SUPPLICANT_PRIVATE_LIB := lib_driver_cmd_simulated
+WPA_SUPPLICANT_VERSION      := VER_0_8_X
+WIFI_DRIVER_FW_PATH_PARAM   := "/dev/null"
+WIFI_DRIVER_FW_PATH_STA     := "/dev/null"
+WIFI_DRIVER_FW_PATH_AP      := "/dev/null"

target/product/emulator.mk

@@ -116,9 +116,19 @@ PRODUCT_PACKAGES += \
 PRODUCT_PACKAGES += \
     vndk-sp
 
+# WiFi
+PRODUCT_PACKAGES += \
+	execns \
+	hostapd \
+	ip \
+	ipv6proxy \
+	iw \
+	wpa_supplicant \
+
 PRODUCT_COPY_FILES += \
     device/generic/goldfish/init.ranchu-core.sh:$(TARGET_COPY_OUT_VENDOR)/bin/init.ranchu-core.sh \
     device/generic/goldfish/init.ranchu-net.sh:$(TARGET_COPY_OUT_VENDOR)/bin/init.ranchu-net.sh \
+    device/generic/goldfish/wifi/init.wifi.sh:$(TARGET_COPY_OUT_VENDOR)/bin/init.wifi.sh \
     device/generic/goldfish/init.ranchu.rc:root/init.ranchu.rc \
     device/generic/goldfish/fstab.ranchu:root/fstab.ranchu \
     device/generic/goldfish/fstab.ranchu.early:root/fstab.ranchu.early \
@@ -127,6 +137,8 @@ PRODUCT_COPY_FILES += \
     device/generic/goldfish/manifest.xml:$(TARGET_COPY_OUT_VENDOR)/manifest.xml \
     device/generic/goldfish/data/etc/permissions/privapp-permissions-goldfish.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/privapp-permissions-goldfish.xml \
     device/generic/goldfish/data/etc/config.ini:config.ini \
+    device/generic/goldfish/wifi/simulated_hostapd.conf:system/etc/simulated_hostapd.conf \
+    device/generic/goldfish/wifi/wpa_supplicant.conf:data/misc/wifi/wpa_supplicant.conf \
     frameworks/native/data/etc/android.hardware.wifi.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.wifi.xml
 
 PRODUCT_PACKAGE_OVERLAYS := device/generic/goldfish/overlay

target/product/sdk_base.mk

@@ -44,7 +44,7 @@ PRODUCT_PACKAGES := \
 	SysuiDarkThemeOverlay \
 	EasterEgg \
 	WallpaperPicker \
-	WidgetPreview
+	WidgetPreview \
 
 # Define the host tools and libs that are parts of the SDK.
 -include sdk/build/product_sdk.mk