use of android.net.LinkAddress in project android_frameworks_base by AOSPA.
the class IPv6TetheringCoordinator method getIPv6OnlyLinkProperties.
private static LinkProperties getIPv6OnlyLinkProperties(LinkProperties lp) {
final LinkProperties v6only = new LinkProperties();
if (lp == null) {
return v6only;
}
// NOTE: At this time we don't copy over any information about any
// stacked links. No current stacked link configuration has IPv6.
v6only.setInterfaceName(lp.getInterfaceName());
v6only.setMtu(lp.getMtu());
for (LinkAddress linkAddr : lp.getLinkAddresses()) {
if (linkAddr.isGlobalPreferred() && linkAddr.getPrefixLength() == 64) {
v6only.addLinkAddress(linkAddr);
}
}
for (RouteInfo routeInfo : lp.getRoutes()) {
final IpPrefix destination = routeInfo.getDestination();
if ((destination.getAddress() instanceof Inet6Address) && (destination.getPrefixLength() <= 64)) {
v6only.addRoute(routeInfo);
}
}
for (InetAddress dnsServer : lp.getDnsServers()) {
if (isIPv6GlobalAddress(dnsServer)) {
// For now we include ULAs.
v6only.addDnsServer(dnsServer);
}
}
v6only.setDomains(lp.getDomains());
return v6only;
}
use of android.net.LinkAddress in project android_frameworks_base by AOSPA.
the class IPv6TetheringInterfaceServices method updateUpstreamIPv6LinkProperties.
// IPv6TetheringCoordinator sends updates with carefully curated IPv6-only
// LinkProperties. These have extraneous data filtered out and only the
// necessary prefixes included (per its prefix distribution policy).
//
// TODO: Evaluate using a data structure than is more directly suited to
// communicating only the relevant information.
public void updateUpstreamIPv6LinkProperties(LinkProperties v6only) {
if (mRaDaemon == null)
return;
// Avoid unnecessary work on spurious updates.
if (Objects.equals(mLastIPv6LinkProperties, v6only)) {
return;
}
RaParams params = null;
if (v6only != null) {
params = new RaParams();
params.mtu = v6only.getMtu();
params.hasDefaultRoute = v6only.hasIPv6DefaultRoute();
for (LinkAddress linkAddr : v6only.getLinkAddresses()) {
if (linkAddr.getPrefixLength() != RFC7421_IP_PREFIX_LENGTH)
continue;
final IpPrefix prefix = new IpPrefix(linkAddr.getAddress(), linkAddr.getPrefixLength());
params.prefixes.add(prefix);
final Inet6Address dnsServer = getLocalDnsIpFor(prefix);
if (dnsServer != null) {
params.dnses.add(dnsServer);
}
}
}
// If v6only is null, we pass in null to setRaParams(), which handles
// deprecation of any existing RA data.
setRaParams(params);
mLastIPv6LinkProperties = v6only;
}
use of android.net.LinkAddress in project android_frameworks_base by AOSPA.
the class Nat464Xlat method makeLinkProperties.
private LinkProperties makeLinkProperties(LinkAddress clatAddress) {
LinkProperties stacked = new LinkProperties();
stacked.setInterfaceName(mIface);
// Although the clat interface is a point-to-point tunnel, we don't
// point the route directly at the interface because some apps don't
// understand routes without gateways (see, e.g., http://b/9597256
// http://b/9597516). Instead, set the next hop of the route to the
// clat IPv4 address itself (for those apps, it doesn't matter what
// the IP of the gateway is, only that there is one).
RouteInfo ipv4Default = new RouteInfo(new LinkAddress(Inet4Address.ANY, 0), clatAddress.getAddress(), mIface);
stacked.addRoute(ipv4Default);
stacked.addLinkAddress(clatAddress);
return stacked;
}
use of android.net.LinkAddress in project android_frameworks_base by AOSPA.
the class IpConfigStore method writeConfig.
private boolean writeConfig(DataOutputStream out, int configKey, IpConfiguration config) throws IOException {
boolean written = false;
try {
switch(config.ipAssignment) {
case STATIC:
out.writeUTF(IP_ASSIGNMENT_KEY);
out.writeUTF(config.ipAssignment.toString());
StaticIpConfiguration staticIpConfiguration = config.staticIpConfiguration;
if (staticIpConfiguration != null) {
if (staticIpConfiguration.ipAddress != null) {
LinkAddress ipAddress = staticIpConfiguration.ipAddress;
out.writeUTF(LINK_ADDRESS_KEY);
out.writeUTF(ipAddress.getAddress().getHostAddress());
out.writeInt(ipAddress.getPrefixLength());
}
if (staticIpConfiguration.gateway != null) {
out.writeUTF(GATEWAY_KEY);
// Default route.
out.writeInt(0);
// Have a gateway.
out.writeInt(1);
out.writeUTF(staticIpConfiguration.gateway.getHostAddress());
}
for (InetAddress inetAddr : staticIpConfiguration.dnsServers) {
out.writeUTF(DNS_KEY);
out.writeUTF(inetAddr.getHostAddress());
}
}
written = true;
break;
case DHCP:
out.writeUTF(IP_ASSIGNMENT_KEY);
out.writeUTF(config.ipAssignment.toString());
written = true;
break;
case UNASSIGNED:
/* Ignore */
break;
default:
loge("Ignore invalid ip assignment while writing");
break;
}
switch(config.proxySettings) {
case STATIC:
ProxyInfo proxyProperties = config.httpProxy;
String exclusionList = proxyProperties.getExclusionListAsString();
out.writeUTF(PROXY_SETTINGS_KEY);
out.writeUTF(config.proxySettings.toString());
out.writeUTF(PROXY_HOST_KEY);
out.writeUTF(proxyProperties.getHost());
out.writeUTF(PROXY_PORT_KEY);
out.writeInt(proxyProperties.getPort());
if (exclusionList != null) {
out.writeUTF(EXCLUSION_LIST_KEY);
out.writeUTF(exclusionList);
}
written = true;
break;
case PAC:
ProxyInfo proxyPacProperties = config.httpProxy;
out.writeUTF(PROXY_SETTINGS_KEY);
out.writeUTF(config.proxySettings.toString());
out.writeUTF(PROXY_PAC_FILE);
out.writeUTF(proxyPacProperties.getPacFileUrl().toString());
written = true;
break;
case NONE:
out.writeUTF(PROXY_SETTINGS_KEY);
out.writeUTF(config.proxySettings.toString());
written = true;
break;
case UNASSIGNED:
/* Ignore */
break;
default:
loge("Ignore invalid proxy settings while writing");
break;
}
if (written) {
out.writeUTF(ID_KEY);
out.writeInt(configKey);
}
} catch (NullPointerException e) {
loge("Failure in writing " + config + e);
}
out.writeUTF(EOS);
return written;
}
use of android.net.LinkAddress in project android_frameworks_base by AOSPA.
the class IpConfigStore method readIpAndProxyConfigurations.
public SparseArray<IpConfiguration> readIpAndProxyConfigurations(String filePath) {
SparseArray<IpConfiguration> networks = new SparseArray<IpConfiguration>();
DataInputStream in = null;
try {
in = new DataInputStream(new BufferedInputStream(new FileInputStream(filePath)));
int version = in.readInt();
if (version != 2 && version != 1) {
loge("Bad version on IP configuration file, ignore read");
return null;
}
while (true) {
int id = -1;
// Default is DHCP with no proxy
IpAssignment ipAssignment = IpAssignment.DHCP;
ProxySettings proxySettings = ProxySettings.NONE;
StaticIpConfiguration staticIpConfiguration = new StaticIpConfiguration();
String proxyHost = null;
String pacFileUrl = null;
int proxyPort = -1;
String exclusionList = null;
String key;
do {
key = in.readUTF();
try {
if (key.equals(ID_KEY)) {
id = in.readInt();
} else if (key.equals(IP_ASSIGNMENT_KEY)) {
ipAssignment = IpAssignment.valueOf(in.readUTF());
} else if (key.equals(LINK_ADDRESS_KEY)) {
LinkAddress linkAddr = new LinkAddress(NetworkUtils.numericToInetAddress(in.readUTF()), in.readInt());
if (linkAddr.getAddress() instanceof Inet4Address && staticIpConfiguration.ipAddress == null) {
staticIpConfiguration.ipAddress = linkAddr;
} else {
loge("Non-IPv4 or duplicate address: " + linkAddr);
}
} else if (key.equals(GATEWAY_KEY)) {
LinkAddress dest = null;
InetAddress gateway = null;
if (version == 1) {
// only supported default gateways - leave the dest/prefix empty
gateway = NetworkUtils.numericToInetAddress(in.readUTF());
if (staticIpConfiguration.gateway == null) {
staticIpConfiguration.gateway = gateway;
} else {
loge("Duplicate gateway: " + gateway.getHostAddress());
}
} else {
if (in.readInt() == 1) {
dest = new LinkAddress(NetworkUtils.numericToInetAddress(in.readUTF()), in.readInt());
}
if (in.readInt() == 1) {
gateway = NetworkUtils.numericToInetAddress(in.readUTF());
}
RouteInfo route = new RouteInfo(dest, gateway);
if (route.isIPv4Default() && staticIpConfiguration.gateway == null) {
staticIpConfiguration.gateway = gateway;
} else {
loge("Non-IPv4 default or duplicate route: " + route);
}
}
} else if (key.equals(DNS_KEY)) {
staticIpConfiguration.dnsServers.add(NetworkUtils.numericToInetAddress(in.readUTF()));
} else if (key.equals(PROXY_SETTINGS_KEY)) {
proxySettings = ProxySettings.valueOf(in.readUTF());
} else if (key.equals(PROXY_HOST_KEY)) {
proxyHost = in.readUTF();
} else if (key.equals(PROXY_PORT_KEY)) {
proxyPort = in.readInt();
} else if (key.equals(PROXY_PAC_FILE)) {
pacFileUrl = in.readUTF();
} else if (key.equals(EXCLUSION_LIST_KEY)) {
exclusionList = in.readUTF();
} else if (key.equals(EOS)) {
break;
} else {
loge("Ignore unknown key " + key + "while reading");
}
} catch (IllegalArgumentException e) {
loge("Ignore invalid address while reading" + e);
}
} while (true);
if (id != -1) {
IpConfiguration config = new IpConfiguration();
networks.put(id, config);
switch(ipAssignment) {
case STATIC:
config.staticIpConfiguration = staticIpConfiguration;
config.ipAssignment = ipAssignment;
break;
case DHCP:
config.ipAssignment = ipAssignment;
break;
case UNASSIGNED:
loge("BUG: Found UNASSIGNED IP on file, use DHCP");
config.ipAssignment = IpAssignment.DHCP;
break;
default:
loge("Ignore invalid ip assignment while reading.");
config.ipAssignment = IpAssignment.UNASSIGNED;
break;
}
switch(proxySettings) {
case STATIC:
ProxyInfo proxyInfo = new ProxyInfo(proxyHost, proxyPort, exclusionList);
config.proxySettings = proxySettings;
config.httpProxy = proxyInfo;
break;
case PAC:
ProxyInfo proxyPacProperties = new ProxyInfo(pacFileUrl);
config.proxySettings = proxySettings;
config.httpProxy = proxyPacProperties;
break;
case NONE:
config.proxySettings = proxySettings;
break;
case UNASSIGNED:
loge("BUG: Found UNASSIGNED proxy on file, use NONE");
config.proxySettings = ProxySettings.NONE;
break;
default:
loge("Ignore invalid proxy settings while reading");
config.proxySettings = ProxySettings.UNASSIGNED;
break;
}
} else {
if (DBG)
log("Missing id while parsing configuration");
}
}
} catch (EOFException ignore) {
} catch (IOException e) {
loge("Error parsing configuration: " + e);
} finally {
if (in != null) {
try {
in.close();
} catch (Exception e) {
}
}
}
return networks;
}
Aggregations