Add per network static IP settings (31b62322) · Commits · e / os / android_frameworks_base

core/java/android/net/DhcpInfo.java

+13 −0

Original line number	Diff line number	Diff line
		@@ -37,6 +37,19 @@ public class DhcpInfo implements Parcelable {
		super();
		}

		/** copy constructor {@hide} */
		public DhcpInfo(DhcpInfo source) {
		if (source != null) {
		ipAddress = source.ipAddress;
		gateway = source.gateway;
		netmask = source.netmask;
		dns1 = source.dns1;
		dns2 = source.dns2;
		serverAddress = source.serverAddress;
		leaseDuration = source.leaseDuration;
		}
		}

		public String toString() {
		StringBuffer str = new StringBuffer();

core/java/android/provider/Settings.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -1128,6 +1128,7 @@ public final class Settings {
		*/
		public static final int WIFI_SLEEP_POLICY_NEVER = 2;

		//TODO: deprecate static IP constants
		/**
		* Whether to use static IP and other static network attributes.
		* <p>

wifi/java/android/net/wifi/WifiConfigStore.java

+324 −37

Original line number	Diff line number	Diff line
		@@ -19,12 +19,22 @@ package android.net.wifi;
		import android.app.ActivityManagerNative;
		import android.content.Context;
		import android.content.Intent;
		import android.net.DhcpInfo;
		import android.net.wifi.WifiConfiguration.IpAssignment;
		import android.net.wifi.WifiConfiguration.KeyMgmt;
		import android.net.wifi.WifiConfiguration.Status;
		import android.os.Environment;
		import android.text.TextUtils;
		import android.util.Log;

		import java.io.BufferedWriter;
		import java.io.File;
		import java.io.FileInputStream;
		import java.io.FileWriter;
		import java.io.IOException;
		import java.util.ArrayList;
		import java.util.BitSet;
		import java.util.HashMap;
		import java.util.List;

		/**
		@@ -34,9 +44,23 @@ import java.util.List;
		*
		* It deals with the following
		* - Add/update/remove a WifiConfiguration
		* The configuration contains two types of information.
		* = IP configuration that is handled by WifiConfigStore and
		* is saved to disk on any change.
		* = SSID & security details that is pushed to the supplicant.
		* supplicant saves these details to the disk on calling
		* saveConfigCommand().
		*
		* We have two kinds of APIs exposed:
		* > public API calls that provide fine grained control
		* - enableNetwork, disableNetwork, addOrUpdateNetwork(),
		* removeNetwork(). For these calls, the config is not persisted
		* to the disk. (TODO: deprecate these calls in WifiManager)
		* > The new API calls - selectNetwork(), saveNetwork() & forgetNetwork().
		* These calls persist the supplicant config to disk.
		* - Maintain a list of configured networks for quick access
		*
		* TODO:
		* - handle static IP per configuration
		* - handle proxy per configuration
		*/
		class WifiConfigStore {
		@@ -44,10 +68,28 @@ class WifiConfigStore {
		private static Context sContext;
		private static final String TAG = "WifiConfigStore";

		private static List<WifiConfiguration> sConfiguredNetworks = new ArrayList<WifiConfiguration>();
		/* configured networks with network id as the key */
		private static HashMap<Integer, WifiConfiguration> sConfiguredNetworks =
		new HashMap<Integer, WifiConfiguration>();

		/* A network id is a unique identifier for a network configured in the
		* supplicant. Network ids are generated when the supplicant reads
		* the configuration file at start and can thus change for networks.
		* We store the IP configuration for networks along with a unique id
		* that is generated from SSID and security type of the network. A mapping
		* from the generated unique id to network id of the network is needed to
		* map supplicant config to IP configuration. */
		private static HashMap<Integer, Integer> sNetworkIds =
		new HashMap<Integer, Integer>();

		/* Tracks the highest priority of configured networks */
		private static int sLastPriority = -1;

		private static final String ipConfigFile = Environment.getDataDirectory() +
		"/misc/wifi/ipconfig.txt";

		private static final int IPCONFIG_FILE_VERSION = 1;

		/**
		* Initialize context, fetch the list of configured networks
		* and enable all stored networks in supplicant.
		@@ -66,7 +108,7 @@ class WifiConfigStore {
		static List<WifiConfiguration> getConfiguredNetworks() {
		List<WifiConfiguration> networks = new ArrayList<WifiConfiguration>();
		synchronized (sConfiguredNetworks) {
		for (WifiConfiguration config : sConfiguredNetworks) {
		for(WifiConfiguration config : sConfiguredNetworks.values()) {
		networks.add(config.clone());
		}
		}
		@@ -78,14 +120,20 @@ class WifiConfigStore {
		* of configured networks indicates all networks as being enabled
		*/
		static void enableAllNetworks() {
		for (WifiConfiguration config : sConfiguredNetworks) {
		synchronized (sConfiguredNetworks) {
		for(WifiConfiguration config : sConfiguredNetworks.values()) {
		if(config != null && config.status == Status.DISABLED) {
		WifiNative.enableNetworkCommand(config.networkId, false);
		if(WifiNative.enableNetworkCommand(config.networkId, false)) {
		config.status = Status.ENABLED;
		} else {
		Log.e(TAG, "Enable network failed on " + config.networkId);
		}
		}
		}
		}

		WifiNative.saveConfigCommand();
		updateConfigAndSendChangeBroadcast();
		sendConfigChangeBroadcast();
		}

		/**
		@@ -102,7 +150,11 @@ class WifiConfigStore {
		static void selectNetwork(WifiConfiguration config) {
		if (config != null) {
		int netId = addOrUpdateNetworkNative(config);
		if (netId != -1) {
		selectNetwork(netId);
		} else {
		Log.e(TAG, "Failed to update network " + config);
		}
		}
		}

		@@ -120,10 +172,12 @@ class WifiConfigStore {
		static void selectNetwork(int netId) {
		// Reset the priority of each network at start or if it goes too high.
		if (sLastPriority == -1 \|\| sLastPriority > 1000000) {
		for (WifiConfiguration conf : sConfiguredNetworks) {
		if (conf.networkId != -1) {
		conf.priority = 0;
		addOrUpdateNetworkNative(conf);
		synchronized (sConfiguredNetworks) {
		for(WifiConfiguration config : sConfiguredNetworks.values()) {
		if (config.networkId != -1) {
		config.priority = 0;
		addOrUpdateNetworkNative(config);
		}
		}
		}
		sLastPriority = 0;
		@@ -138,13 +192,10 @@ class WifiConfigStore {
		WifiNative.saveConfigCommand();

		/* Enable the given network while disabling all other networks */
		WifiNative.enableNetworkCommand(netId, true);
		enableNetworkWithoutBroadcast(netId, true);

		/* update the configured networks list but not send a
		* broadcast to avoid a fetch from settings
		* during this temporary disabling of networks
		*/
		updateConfiguredNetworks();
		/* Avoid saving the config & sending a broadcast to prevent settings
		* from displaying a disabled list of networks */
		}

		/**
		@@ -153,13 +204,17 @@ class WifiConfigStore {
		* @param config WifiConfiguration to be saved
		*/
		static void saveNetwork(WifiConfiguration config) {
		boolean newNetwork = (config.networkId == -1);
		int netId = addOrUpdateNetworkNative(config);
		/* enable a new network */
		if (config.networkId < 0) {
		if (newNetwork && netId >= 0) {
		WifiNative.enableNetworkCommand(netId, false);
		synchronized (sConfiguredNetworks) {
		sConfiguredNetworks.get(netId).status = Status.ENABLED;
		}
		}
		WifiNative.saveConfigCommand();
		updateConfigAndSendChangeBroadcast();
		sendConfigChangeBroadcast();
		}

		/**
		@@ -168,9 +223,15 @@ class WifiConfigStore {
		* @param netId network to forget
		*/
		static void forgetNetwork(int netId) {
		WifiNative.removeNetworkCommand(netId);
		if (WifiNative.removeNetworkCommand(netId)) {
		WifiNative.saveConfigCommand();
		updateConfigAndSendChangeBroadcast();
		synchronized (sConfiguredNetworks) {
		sConfiguredNetworks.remove(netId);
		}
		sendConfigChangeBroadcast();
		} else {
		Log.e(TAG, "Failed to remove network " + netId);
		}
		}

		/**
		@@ -183,7 +244,7 @@ class WifiConfigStore {
		*/
		static int addOrUpdateNetwork(WifiConfiguration config) {
		int ret = addOrUpdateNetworkNative(config);
		updateConfigAndSendChangeBroadcast();
		sendConfigChangeBroadcast();
		return ret;
		}

		@@ -197,7 +258,10 @@ class WifiConfigStore {
		*/
		static boolean removeNetwork(int netId) {
		boolean ret = WifiNative.removeNetworkCommand(netId);
		updateConfigAndSendChangeBroadcast();
		synchronized (sConfiguredNetworks) {
		if (ret) sConfiguredNetworks.remove(netId);
		}
		sendConfigChangeBroadcast();
		return ret;
		}

		@@ -210,8 +274,28 @@ class WifiConfigStore {
		* @param netId network to be removed
		*/
		static boolean enableNetwork(int netId, boolean disableOthers) {
		boolean ret = enableNetworkWithoutBroadcast(netId, disableOthers);
		sendConfigChangeBroadcast();
		return ret;
		}

		static boolean enableNetworkWithoutBroadcast(int netId, boolean disableOthers) {
		boolean ret = WifiNative.enableNetworkCommand(netId, disableOthers);
		updateConfigAndSendChangeBroadcast();

		synchronized (sConfiguredNetworks) {
		WifiConfiguration config = sConfiguredNetworks.get(netId);
		if (config != null) config.status = Status.ENABLED;
		}

		if (disableOthers) {
		synchronized (sConfiguredNetworks) {
		for(WifiConfiguration config : sConfiguredNetworks.values()) {
		if(config != null && config.networkId != netId) {
		config.status = Status.DISABLED;
		}
		}
		}
		}
		return ret;
		}

		@@ -221,7 +305,11 @@ class WifiConfigStore {
		*/
		static boolean disableNetwork(int netId) {
		boolean ret = WifiNative.disableNetworkCommand(netId);
		updateConfigAndSendChangeBroadcast();
		synchronized (sConfiguredNetworks) {
		WifiConfiguration config = sConfiguredNetworks.get(netId);
		if (config != null) config.status = Status.DISABLED;
		}
		sendConfigChangeBroadcast();
		return ret;
		}

		@@ -232,8 +320,31 @@ class WifiConfigStore {
		return WifiNative.saveConfigCommand();
		}

		private static void updateConfigAndSendChangeBroadcast() {
		updateConfiguredNetworks();
		/**
		* Fetch the IP configuration for a given network id
		*/
		static DhcpInfo getIpConfiguration(int netId) {
		synchronized (sConfiguredNetworks) {
		WifiConfiguration config = sConfiguredNetworks.get(netId);
		if (config != null) return new DhcpInfo(config.ipConfig);
		}
		return null;
		}

		/**
		* Return if the specified network is using static IP
		*/
		static boolean isUsingStaticIp(int netId) {
		synchronized (sConfiguredNetworks) {
		WifiConfiguration config = sConfiguredNetworks.get(netId);
		if (config != null && config.ipAssignment == IpAssignment.STATIC) {
		return true;
		}
		}
		return false;
		}

		private static void sendConfigChangeBroadcast() {
		if (!ActivityManagerNative.isSystemReady()) return;
		Intent intent = new Intent(WifiManager.SUPPLICANT_CONFIG_CHANGED_ACTION);
		sContext.sendBroadcast(intent);
		@@ -245,6 +356,7 @@ class WifiConfigStore {

		synchronized (sConfiguredNetworks) {
		sConfiguredNetworks.clear();
		sNetworkIds.clear();

		if (listStr == null)
		return;
		@@ -274,9 +386,129 @@ class WifiConfigStore {
		if (config.priority > sLastPriority) {
		sLastPriority = config.priority;
		}
		sConfiguredNetworks.add(config);
		sConfiguredNetworks.put(config.networkId, config);
		sNetworkIds.put(configKey(config), config.networkId);
		}
		}
		readIpConfigurations();
		}

		private static void writeIpConfigurations() {
		StringBuilder builder = new StringBuilder();
		BufferedWriter out = null;

		builder.append(IPCONFIG_FILE_VERSION);
		builder.append("\n");

		synchronized (sConfiguredNetworks) {
		for(WifiConfiguration config : sConfiguredNetworks.values()) {
		if (config.ipAssignment == WifiConfiguration.IpAssignment.STATIC) {
		builder.append("id=" + configKey(config));
		builder.append(":");
		builder.append("ip=" + config.ipConfig.ipAddress);
		builder.append(":");
		builder.append("gateway=" + config.ipConfig.gateway);
		builder.append(":");
		builder.append("netmask=" + config.ipConfig.netmask);
		builder.append(":");
		builder.append("dns1=" + config.ipConfig.dns1);
		builder.append(":");
		builder.append("dns2=" + config.ipConfig.dns2);
		builder.append("\n");
		}
		}
		}

		try {
		out = new BufferedWriter(new FileWriter(ipConfigFile), builder.length());
		out.write(builder.toString());
		} catch (IOException e) {
		Log.e(TAG, "Error writing data file");
		return;
		} finally {
		if (out != null) {
		try {
		out.close();
		} catch (Exception e) {}
		}
		}
		}

		private static void readIpConfigurations() {
		File f = new File(ipConfigFile);
		byte[] buffer;
		FileInputStream s = null;
		try {
		buffer = new byte[(int)f.length()];
		s = new FileInputStream(f);
		s.read(buffer);
		} catch (IOException e) {
		Log.e(TAG, "Error reading data file");
		return;
		} finally {
		if (s != null) {
		try {
		s.close();
		} catch (Exception e) {}
		}
		}

		String data = new String(buffer);
		if (data == null \|\| data.length() == 0) {
		Log.d(TAG, "IP configuration file empty");
		return;
		}

		String[] parsed = data.split("\n");
		try {
		if (Integer.parseInt(parsed[0]) != IPCONFIG_FILE_VERSION) {
		Log.e(TAG, "Bad version on IP configuration file, ignore read");
		return;
		}

		for (String line : parsed) {
		int hashKey = -1;
		DhcpInfo ipConfig = new DhcpInfo();
		String[] keyVals = line.split(":");

		for (String keyVal : keyVals) {
		String[] keyValPair = keyVal.split("=");
		if (keyValPair[0].equals("id")) {
		hashKey = Integer.parseInt(keyValPair[1]);
		} else if (keyValPair[0].equals("ip")) {
		ipConfig.ipAddress = Integer.parseInt(keyValPair[1]);
		} else if (keyValPair[0].equals("gateway")) {
		ipConfig.gateway = Integer.parseInt(keyValPair[1]);
		} else if (keyValPair[0].equals("netmask")) {
		ipConfig.netmask = Integer.parseInt(keyValPair[1]);
		} else if (keyValPair[0].equals("dns1")) {
		ipConfig.dns1 = Integer.parseInt(keyValPair[1]);
		} else if (keyValPair[0].equals("dns2")) {
		ipConfig.dns2 = Integer.parseInt(keyValPair[1]);
		} else {
		Log.w(TAG, "Ignoring " + keyVal);
		}
		}

		if (hashKey != -1) {
		synchronized (sConfiguredNetworks) {
		WifiConfiguration config = sConfiguredNetworks.get(
		sNetworkIds.get(hashKey));

		if (config == null) {
		Log.e(TAG, "IP configuration found for missing network, ignored");
		} else {
		config.ipAssignment = WifiConfiguration.IpAssignment.STATIC;
		config.ipConfig = ipConfig;
		}
		}
		} else {
		Log.e(TAG,"Missing id while parsing configuration" + line);
		}
		}
		} catch (NumberFormatException e) {
		Log.e(TAG, "Error parsing configuration");
		}
		}

		private static int addOrUpdateNetworkNative(WifiConfiguration config) {
		@@ -286,6 +518,7 @@ class WifiConfigStore {
		* refer to an existing configuration.
		*/
		int netId = config.networkId;
		boolean updateFailed = true;
		boolean newNetwork = netId == -1;
		// networkId of -1 means we want to create a new network

		@@ -457,19 +690,55 @@ class WifiConfigStore {
		}
		}
		}
		return netId;
		updateFailed = false;
		}

		if (updateFailed) {
		if (newNetwork) {
		WifiNative.removeNetworkCommand(netId);
		Log.d(TAG,
		"Failed to set a network variable, removed network: "
		+ netId);
		}

		return -1;
		}

		/* An update of the network variables requires reading them
		* back from the supplicant to update sConfiguredNetworks.
		* This is because some of the variables (SSID, wep keys &
		* passphrases) reflect different values when read back than
		* when written. For example, wep key is stored as * irrespective
		* of the value sent to the supplicant
		*/
		WifiConfiguration sConfig;
		synchronized (sConfiguredNetworks) {
		sConfig = sConfiguredNetworks.get(netId);
		}
		if (sConfig == null) {
		sConfig = new WifiConfiguration();
		sConfig.networkId = netId;
		synchronized (sConfiguredNetworks) {
		sConfiguredNetworks.put(netId, sConfig);
		}
		}
		readNetworkVariables(sConfig);

		if (config.ipAssignment != IpAssignment.UNASSIGNED) {
		if (newNetwork \|\|
		(sConfig.ipAssignment != config.ipAssignment) \|\|
		(sConfig.ipConfig.ipAddress != config.ipConfig.ipAddress) \|\|
		(sConfig.ipConfig.gateway != config.ipConfig.gateway) \|\|
		(sConfig.ipConfig.netmask != config.ipConfig.netmask) \|\|
		(sConfig.ipConfig.dns1 != config.ipConfig.dns1) \|\|
		(sConfig.ipConfig.dns2 != config.ipConfig.dns2)) {
		sConfig.ipAssignment = config.ipAssignment;
		sConfig.ipConfig = config.ipConfig;
		writeIpConfigurations();
		}
		}
		return netId;
		}

		/**
		* Read the variables from the supplicant daemon that are needed to
		* fill in the WifiConfiguration object.
		@@ -669,6 +938,24 @@ class WifiConfigStore {
		return -1;
		}

		/* Returns a unique for a given configuration */
		private static int configKey(WifiConfiguration config) {
		String key;

		if (config.allowedKeyManagement.get(KeyMgmt.WPA_PSK)) {
		key = config.SSID + KeyMgmt.strings[KeyMgmt.WPA_PSK];
		} else if (config.allowedKeyManagement.get(KeyMgmt.WPA_EAP) \|\|
		config.allowedKeyManagement.get(KeyMgmt.IEEE8021X)) {
		key = config.SSID + KeyMgmt.strings[KeyMgmt.WPA_EAP];
		} else if (config.wepKeys[0] != null) {
		key = config.SSID + "WEP";
		} else {
		key = config.SSID + KeyMgmt.strings[KeyMgmt.NONE];
		}

		return key.hashCode();
		}

		static String dump() {
		StringBuffer sb = new StringBuffer();
		String LS = System.getProperty("line.separator");

wifi/java/android/net/wifi/WifiConfiguration.java

+43 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		package android.net.wifi;

		import android.net.DhcpInfo;
		import android.os.Parcelable;
		import android.os.Parcel;

		@@ -294,6 +295,22 @@ public class WifiConfiguration implements Parcelable {
		*/
		public BitSet allowedGroupCiphers;

		/**
		* @hide
		*/
		public enum IpAssignment {
		STATIC,
		DHCP,
		UNASSIGNED
		}
		/**
		* @hide
		*/
		public IpAssignment ipAssignment;
		/**
		* @hide
		*/
		public DhcpInfo ipConfig;

		public WifiConfiguration() {
		networkId = -1;
		@@ -312,6 +329,8 @@ public class WifiConfiguration implements Parcelable {
		for (EnterpriseField field : enterpriseFields) {
		field.setValue(null);
		}
		ipAssignment = IpAssignment.UNASSIGNED;
		ipConfig = new DhcpInfo();
		}

		public String toString() {
		@@ -393,6 +412,11 @@ public class WifiConfiguration implements Parcelable {
		if (value != null) sbuf.append(value);
		}
		sbuf.append('\n');
		if (ipAssignment == IpAssignment.STATIC) {
		sbuf.append(" ").append("Static IP configuration:").append('\n');
		sbuf.append(" ").append(ipConfig);
		}
		sbuf.append('\n');
		return sbuf.toString();
		}

		@@ -461,6 +485,8 @@ public class WifiConfiguration implements Parcelable {
		for (int i = 0; i < enterpriseFields.length; i++) {
		config.enterpriseFields[i].setValue(enterpriseFields[i].value());
		}
		config.ipAssignment = ipAssignment;
		config.ipConfig = new DhcpInfo(ipConfig);
		return config;
		}

		@@ -486,6 +512,14 @@ public class WifiConfiguration implements Parcelable {
		for (EnterpriseField field : enterpriseFields) {
		dest.writeString(field.value());
		}
		dest.writeString(ipAssignment.name());
		dest.writeInt(ipConfig.ipAddress);
		dest.writeInt(ipConfig.netmask);
		dest.writeInt(ipConfig.gateway);
		dest.writeInt(ipConfig.dns1);
		dest.writeInt(ipConfig.dns2);
		dest.writeInt(ipConfig.serverAddress);
		dest.writeInt(ipConfig.leaseDuration);
		}

		/** Implement the Parcelable interface {@hide} */
		@@ -512,6 +546,15 @@ public class WifiConfiguration implements Parcelable {
		for (EnterpriseField field : config.enterpriseFields) {
		field.setValue(in.readString());
		}

		config.ipAssignment = IpAssignment.valueOf(in.readString());
		config.ipConfig.ipAddress = in.readInt();
		config.ipConfig.netmask = in.readInt();
		config.ipConfig.gateway = in.readInt();
		config.ipConfig.dns1 = in.readInt();
		config.ipConfig.dns2 = in.readInt();
		config.ipConfig.serverAddress = in.readInt();
		config.ipConfig.leaseDuration = in.readInt();
		return config;
		}

wifi/java/android/net/wifi/WifiStateMachine.java

+40 −161

File changed.

Preview size limit exceeded, changes collapsed.