public void TestComplexRule()
{
RulesChecker.RulesCheckerResult result;
NetworkInfo networkInfo;
AutoProxySwitcherLib.NetworkChangeDetector ncd = new NetworkChangeDetector();
ncd.LoadConfigurations("Samples/ComplexRule.xml");
NetworkInfo ni = new NetworkInfo();
ni.Description = "Test Network";
ni.DNS = new List<string> { "192.168.1.252" };
ni.IP = new List<string> { "192.168.1.254" };
ni.NetworkIP = new List<string> { "192.168.0.0/16" };
ni.Type = "Wi-Fi";
ni.IfName = "Test1";
List<NetworkInfo> networks = new List<NetworkInfo> { ni };
NetworkConfiguration configuration = ncd.FindMatchingConfiguration(networks, out result, out networkInfo);
if (result != null)
{
Console.WriteLine(result.ReasonString);
}
Console.WriteLine("Test");
Assert.AreSame(configuration, ncd.Configurations[0]);
//Assert.IsTrue(result.ReasonString.Equals("network DNS matches 192.168.1.252"));
}
public void TestManyConfigs()
{
AutoProxySwitcherLib.NetworkChangeDetector ncd = new NetworkChangeDetector();
RulesChecker.RulesCheckerResult result;
NetworkInfo networkInfo;
ncd.LoadConfigurations("Samples/ManyConfigs.xml");
NetworkInfo ni = new NetworkInfo();
ni.Description = "Test Network";
ni.DNS = new List<string> { "172.17.4.80", "172.17.4.81" };
ni.IP = new List<string> { "172.17.4.145" };
ni.NetworkIP = new List<string> { "172.17.4.0/24" };
ni.Type = "Local Area Connection";
ni.IfName = "test";
List<NetworkInfo> networks;
NetworkConfiguration configuration;
networks = new List<NetworkInfo> { ni };
configuration = ncd.FindMatchingConfiguration(networks, out result, out networkInfo);
Console.WriteLine(result.ReasonString);
Console.WriteLine(configuration.ProxySettings);
Assert.AreEqual(configuration.Name, "Config 1");
Assert.IsTrue(result.ReasonString.Equals("network subnet matches 172.17.4.0/24"));
ni.Description = "Test Network";
ni.DNS = new List<string> { "172.17.80.80", "172.17.80.81" };
ni.IP = new List<string> { "172.17.80.15" };
ni.NetworkIP = new List<string> { "172.17.80.0/24" };
ni.Type = "Local Area Connection";
ni.IfName = "test";
networks = new List<NetworkInfo> { ni };
configuration = ncd.FindMatchingConfiguration(networks, out result, out networkInfo);
Console.WriteLine(result.ReasonString);
Console.WriteLine(configuration.ProxySettings);
Assert.AreEqual(configuration.Name, "Config 4");
Assert.IsTrue(result.ReasonString.Equals("network subnet matches 172.17.80.0/24"));
ni.Description = "Test Network";
ni.DNS = new List<string> { "172.16.0.5" };
ni.IP = new List<string> { "172.16.0.78" };
ni.NetworkIP = new List<string> { "172.16.2/24" };
ni.Type = "Local Area Connection";
ni.IfName = "test";
networks = new List<NetworkInfo> { ni };
configuration = ncd.FindMatchingConfiguration(networks, out result, out networkInfo);
Console.WriteLine(result.ReasonString);
Console.WriteLine(configuration.ProxySettings);
Assert.AreEqual(configuration.Name, "Default Config");
Assert.IsTrue(result.ReasonString.Equals("default rule match"));
}
/// <summary>
/// Default constructor, only for design mode
/// </summary>
public MainViewModel()
{
if (DesignerProperties.GetIsInDesignMode(new DependencyObject()))
{
// Generate some configurations
_configurationsList = new List<NetworkConfiguration>();
NetworkRulesSet rulesSet = new NetworkRulesSet();
rulesSet.Rules.Add(new AutoProxySwitcherLib.Rules.NetworkRuleDNS("10.0.0.1"));
for (int i = 0; i < 5; i++)
{
_configurationsList.Add(new NetworkConfiguration("Config #" + i, rulesSet, new StandardProxySettings("http://test:8080", null, null)));
}
_activeConfiguration = _configurationsList[2];
// Generate some networks
for(int i = 0; i < 10; i++)
{
_currentNetworks.Add(new NetworkInfo() { IfName = "Sample Network #" + i, IP = { "10.0.0.1" }, DNS = { "10.0.0.5" }, NetworkIP = { "10.0.0.0/24" } });
}
_currentNetwork = _currentNetworks[3];
_currentProxySettings = _activeConfiguration.ProxySettings;
//
reason = "Network matching IP x.y.z.t";
}
else
{
string rulesFile = System.Environment.GetFolderPath(System.Environment.SpecialFolder.CommonApplicationData)
+ "\\AutoProxySwitcher\\"
+ Environment.ExpandEnvironmentVariables(System.Configuration.ConfigurationManager.AppSettings["RulesFile"]);
// Create default rules files if it doesn't exists
if (!System.IO.File.Exists(rulesFile))
{
System.IO.File.Copy("Examples/rules.xml", rulesFile);
}
// Load configurations
_networkChangeDetector = new NetworkChangeDetector();
_networkChangeDetector.ProxyChanged += _networkChangeDetector_ProxyChanged;
_networkChangeDetector.LoadConfigurations(rulesFile);
_configurationsList = _networkChangeDetector.Configurations;
// Init commands relay
DebugCommand = new RelayCommand<string>(m => MessageBox.Show("toto: " + m));
SetConfigurationCommand = new RelayCommand<string>((conf) => _networkChangeDetector.SetConfiguration(conf));
AutoDetectCommand = new RelayCommand(() => _networkChangeDetector.SetConfiguration(null));
ExitCommand = new RelayCommand(() => { Messenger.Default.Send<ExitMessage>(new ExitMessage()); });
}
}
/// <summary>
/// Find rule matching the given network informations
/// </summary>
/// <param name="net">Network information</param>
/// <returns>Result containing reason of match</returns>
public RulesCheckerResult CheckRulesAgainstNetwork(NetworkInfo net)
{
// Si aucune règle, alors ça matche automatiquement
if (m_NetworkRulesSet.Rules.Count == 0)
{
return new RulesCheckerResult(Reasons.DEFAULT, "default rule match");
}
// Parcourir les règles de détection
RulesCheckerResult res = new RulesCheckerResult(Reasons.NOMATCH, "");
bool result = CheckRuleAgainstNetwork(m_NetworkRulesSet, net, ref res);
return res;
}
/// <summary>
/// Find rule matching the given network informations
/// </summary>
/// <param name="net">Network information</param>
/// <returns>Result containing reason of match</returns>
public RulesCheckerResult CheckRulesAgainstNetwork(NetworkInfo net)
{
// Si aucune règle, alors ça matche automatiquement
if (m_NetworkRulesSet.Rules.Count == 0)
{
return(new RulesCheckerResult(Reasons.DEFAULT, "default rule match"));
}
// Parcourir les règles de détection
RulesCheckerResult res = new RulesCheckerResult(Reasons.NOMATCH, "");
bool result = CheckRuleAgainstNetwork(m_NetworkRulesSet, net, ref res);
return(res);
}
/// <summary>
/// Returns a list of available connected networks. The network address is given in text format: "a.b.c.d/bits"
/// This list is build from the list of main IPs of each network interface
/// </summary>
/// <returns></returns>
public static IList <NetworkInfo> ListAvailableNetworks()
{
List <NetworkInfo> networks = new List <NetworkInfo>();
NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces();
foreach (NetworkInterface n in adapters)
{
NetworkInfo net = new NetworkInfo();
if (n.OperationalStatus == OperationalStatus.Up)
{
// Stores basic attributes
net.IfName = n.Name;
net.Description = n.Description;
net.Type = n.NetworkInterfaceType.ToString();
// Stores interface address and network address
// Sometimes, it lacks masks (ex: loopback)
foreach (UnicastIPAddressInformation uipai in n.GetIPProperties().UnicastAddresses)
{
// Adds IP address
net.IP.Add(uipai.Address.ToString());
// Adds network IP adress with netmask
if (uipai.IPv4Mask != null && uipai.IPv4Mask.ToString() != "0.0.0.0")
{
net.NetworkIP.Add(GetNetworkAddressAsString(uipai.Address, uipai.IPv4Mask));
}
}
// Order addresses by length (shortest first)
net.IP = net.IP.OrderBy((s) => s.Length).ToList();
foreach (System.Net.IPAddress ipAddress in n.GetIPProperties().DnsAddresses)
{
net.DNS.Add(ipAddress.ToString());
}
networks.Add(net);
}
}
return(networks);
}
/// <summary>
/// Sets proxy according to current available networks and configurations rules
/// </summary>
private void SetProxyAccordingToNetwork(string configName)
{
if (configName != null)
{
log.Info("Set configuration " + configName);
NetworkConfiguration configuration = m_configurations.Find((c) => c.Name == configName);
configuration.ProxySettings.Configure();
// Evénement
if (ProxyChanged != null)
{
ProxyChanged(configName, null, configuration.ProxySettings, "Setting forced");
}
}
else
{
NetworkInfo matchingNetwork = null;
NetworkConfiguration matchingConfiguration = null;
RulesChecker.RulesCheckerResult result = new RulesChecker.RulesCheckerResult();
// Get current networks
IList <NetworkInfo> currentNetworks = NetworkManager.ListAvailableNetworks();
_currentNetworks = currentNetworks;
foreach (var networkInfo in currentNetworks)
{
log.Debug("Network " + networkInfo);
}
// Find matching configuration
matchingConfiguration = FindMatchingConfiguration(currentNetworks, out result, out matchingNetwork);
// Configurer le configuration en conséquence
if (matchingConfiguration != null)
{
matchingConfiguration.ProxySettings.Configure();
}
// Evénement
if (ProxyChanged != null)
{
ProxyChanged(matchingConfiguration.Name, result.Reason != Reasons.DEFAULT ? matchingNetwork : null, matchingConfiguration.ProxySettings, result.ReasonString);
}
}
}
/// <summary>
/// Returns a list of available connected networks. The network address is given in text format: "a.b.c.d/bits"
/// This list is build from the list of main IPs of each network interface
/// </summary>
/// <returns></returns>
public static IList<NetworkInfo> ListAvailableNetworks()
{
List<NetworkInfo> networks = new List<NetworkInfo>();
NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces();
foreach (NetworkInterface n in adapters)
{
NetworkInfo net = new NetworkInfo();
if (n.OperationalStatus == OperationalStatus.Up)
{
// Stores basic attributes
net.IfName = n.Name;
net.Description = n.Description;
net.Type = n.NetworkInterfaceType.ToString();
// Stores interface address and network address
// Sometimes, it lacks masks (ex: loopback)
foreach (UnicastIPAddressInformation uipai in n.GetIPProperties().UnicastAddresses)
{
// Adds IP address
net.IP.Add(uipai.Address.ToString());
// Adds network IP adress with netmask
if (uipai.IPv4Mask != null && uipai.IPv4Mask.ToString() != "0.0.0.0")
{
net.NetworkIP.Add(GetNetworkAddressAsString(uipai.Address, uipai.IPv4Mask));
}
}
// Order addresses by length (shortest first)
net.IP = net.IP.OrderBy((s) => s.Length).ToList();
foreach (System.Net.IPAddress ipAddress in n.GetIPProperties().DnsAddresses)
{
net.DNS.Add(ipAddress.ToString());
}
networks.Add(net);
}
}
return networks;
}
/// <summary>
/// Returns the configuration that matches the given network
/// </summary>
/// <param name="configurations"></param>
public NetworkConfiguration FindMatchingConfiguration(IList<NetworkInfo> networks, out RulesChecker.RulesCheckerResult result, out NetworkInfo matchingNetwork)
{
int countMatches = 0;
NetworkConfiguration matchingConfiguration = null;
result = null;
matchingNetwork = null;
// Check each configuration
foreach (NetworkConfiguration configuration in m_configurations)
{
using (log4net.ThreadContext.Stacks["NDC"].Push(String.Format("config {0}", configuration.Name)))
{
log.InfoFormat("Checking config {0}", configuration.Name);
// Check each network
foreach (NetworkInfo net in networks)
{
log.InfoFormat("Checking network: {0} (IP: {1}, DNS: {2})", net.IfName, string.Join(",", net.NetworkIP), string.Join(",", net.DNS));
RulesChecker rc = new RulesChecker(configuration.NetworkRulesSet);
RulesChecker.RulesCheckerResult tempResult = rc.CheckRulesAgainstNetwork(net);
if (tempResult.Match)
{
log.InfoFormat("Match #{1}: config {0}", configuration.Name, countMatches + 1);
if (countMatches == 0)
{
result = tempResult;
matchingConfiguration = configuration;
matchingNetwork = net;
}
countMatches++;
}
}
}
}
return matchingConfiguration;
}
/// <summary>
/// Checks (recursively) if a rule matches a given network information
/// </summary>
/// <param name="rule">Rule to check</param>
/// <param name="net">Network information</param>
/// <param name="res">Detailed result if match</param>
/// <returns>true if rule matches</returns>
private bool CheckRuleAgainstNetwork(NetworkRule rule, NetworkInfo net, ref RulesCheckerResult res)
{
if (rule is NetworkRulesSet)
{
bool thisRes = false;
foreach (var rule2 in (rule as NetworkRulesSet).Rules)
{
thisRes = CheckRuleAgainstNetwork(rule2, net, ref res);
if ((rule as NetworkRulesSet).Op == Operator.And && !thisRes)
{
thisRes = false; break;
}
if ((rule as NetworkRulesSet).Op == Operator.Or && thisRes)
{
thisRes = true; break;
}
if ((rule as NetworkRulesSet).Op == Operator.Not)
{
thisRes = !thisRes; break;
}
}
res = new RulesCheckerResult(thisRes ? Reasons.MATCH : Reasons.NOMATCH, res != null ? res.ReasonString : "complex rule used");
return(thisRes);
}
else if (rule is NetworkRuleDNS)
{
foreach (string dns in net.DNS)
{
if ((rule as NetworkRuleDNS).DNS == dns)
{
res = new RulesCheckerResult(Reasons.MATCH, "network DNS matches " + dns);
return(true);
}
}
}
else if (rule is NetworkRuleSubnet)
{
foreach (string ip in net.NetworkIP)
{
if ((rule as NetworkRuleSubnet).Subnet == ip)
{
res = new RulesCheckerResult(Reasons.MATCH, "network subnet matches " + ip);
return(true);
}
}
}
else if (rule is NetworkRuleIfName)
{
string regex = (rule as NetworkRuleIfName).InterfaceName;
if (Regex.IsMatch(net.IfName, regex))
{
res = new RulesCheckerResult(Reasons.MATCH, "interface name matches " + regex);
return(true);
}
}
else if (rule is NetworkRulePingable)
{
string ip = (rule as NetworkRulePingable).IP;
log.Debug("Pinging " + ip);
System.Net.NetworkInformation.Ping ping = new System.Net.NetworkInformation.Ping();
var reply = ping.Send(ip, 5000);
log.Info("Ping status: " + reply.Status);
if (reply.Status == System.Net.NetworkInformation.IPStatus.Success)
{
res = new RulesCheckerResult(Reasons.MATCH, "machine " + ip + " is pingable");
return(true);
}
}
return(false);
}
/// <summary>
/// Returns the configuration that matches the given network
/// </summary>
/// <param name="configurations"></param>
public NetworkConfiguration FindMatchingConfiguration(IList <NetworkInfo> networks, out RulesChecker.RulesCheckerResult result, out NetworkInfo matchingNetwork)
{
int countMatches = 0;
NetworkConfiguration matchingConfiguration = null;
result = null;
matchingNetwork = null;
// Check each configuration
foreach (NetworkConfiguration configuration in m_configurations)
{
using (log4net.ThreadContext.Stacks["NDC"].Push(String.Format("config {0}", configuration.Name)))
{
log.InfoFormat("Checking config {0}", configuration.Name);
// Check each network
foreach (NetworkInfo net in networks)
{
log.InfoFormat("Checking network: {0} (IP: {1}, DNS: {2})", net.IfName, string.Join(",", net.NetworkIP), string.Join(",", net.DNS));
RulesChecker rc = new RulesChecker(configuration.NetworkRulesSet);
RulesChecker.RulesCheckerResult tempResult = rc.CheckRulesAgainstNetwork(net);
if (tempResult.Match)
{
log.InfoFormat("Match #{1}: config {0}", configuration.Name, countMatches + 1);
if (countMatches == 0)
{
result = tempResult;
matchingConfiguration = configuration;
matchingNetwork = net;
}
countMatches++;
}
}
}
}
return(matchingConfiguration);
}
void _networkChangeDetector_ProxyChanged(string name, NetworkInfo networkInfo, ProxySettings proxySettings, string reason)
{
try
{
log.DebugFormat("ProxyChanged event: {0}, network {1}, proxy {2}, reason", name, networkInfo, proxySettings, reason);
lastUpdateTime = DateTime.Now;
_activeConfiguration = _configurationsList.First((c) => c.Name == name);
this.interfaceName = networkInfo != null ? networkInfo.IfName : "N/A";
this.addresses = networkInfo != null ? String.Join(", ", networkInfo.IP) : "";
this.reason = reason;
_currentNetworks = _networkChangeDetector.CurrentNetworks;
_currentNetwork = networkInfo != null ? _currentNetworks.FirstOrDefault((n) => networkInfo.IfName == n.IfName) : null;
_currentProxySettings = proxySettings;
RaisePropertyChanged("LastUpdateTime");
RaisePropertyChanged("ActiveConfiguration");
RaisePropertyChanged("InterfaceName");
RaisePropertyChanged("Addresses");
RaisePropertyChanged("Reason");
RaisePropertyChanged("CurrentNetworks");
RaisePropertyChanged("CurrentNetwork");
RaisePropertyChanged("CurrentProxySettings");
log.Debug("Sending ChangeMessage");
ChangeMessage msg = new ChangeMessage() { ConfName = name, Network = networkInfo, ProxySettings = proxySettings, Reason = reason };
Messenger.Default.Send<ChangeMessage>(msg);
}
catch (Exception ex)
{
log.Error("Failure", ex);
}
}
private void m_networkChangeDetector_ProxyChanged(string name, NetworkInfo networkInfo, ProxySettings proxySettings, string reason)
{
string info;
string detailedInfo;
log.Info("Proxy Changed");
// Afficher tooltip indiquant disponibilité
if (networkInfo != null && proxySettings != null)
{
info = String.Format("Configuration \"{0}\" available\nInterface name: {1}\nReason: {2}", name, networkInfo.IfName, reason);
m_notifyIcon.BalloonTipIcon = ToolTipIcon.Info;
}
else if (networkInfo == null)
{
info = String.Format("Configuration \"{0}\" available\nReason: {1}", name, reason);
m_notifyIcon.BalloonTipIcon = ToolTipIcon.Info;
}
else
{
info = String.Format("No rule found, no change");
m_notifyIcon.BalloonTipIcon = ToolTipIcon.Warning;
}
m_notifyIcon.BalloonTipText = info;
Assembly assembly = Assembly.GetExecutingAssembly();
FileVersionInfo fvi = FileVersionInfo.GetVersionInfo(assembly.Location);
string version = fvi.FileVersion;
detailedInfo = "V" + fvi.FileVersion;
detailedInfo += "\n\nUpdate date: " + System.DateTime.Now;
detailedInfo += "\n\n" + info;
if (networkInfo != null)
{
detailedInfo += "\n\nNetwork details: ";
detailedInfo += "\n Interface name: " + networkInfo.IfName;
detailedInfo += "\n Type: " + networkInfo.Type;
detailedInfo += "\n Description: " + networkInfo.Description;
detailedInfo += "\n IP(s): " + String.Join(", ", networkInfo.IP);
detailedInfo += "\n Network(s): " + String.Join(", ", networkInfo.NetworkIP);
detailedInfo += "\n DNS: " + String.Join(", ", networkInfo.DNS);
}
if (proxySettings != null)
{
detailedInfo += "\n\nProxy details: ";
detailedInfo += "\n " + proxySettings;
}
if (InvokeRequired)
{
UIA(() => m_statusForm.Status = detailedInfo);
}
else
{
m_statusForm.Status = detailedInfo;
}
m_notifyIcon.ShowBalloonTip(3000);
}
/// <summary>
/// Checks (recursively) if a rule matches a given network information
/// </summary>
/// <param name="rule">Rule to check</param>
/// <param name="net">Network information</param>
/// <param name="res">Detailed result if match</param>
/// <returns>true if rule matches</returns>
private bool CheckRuleAgainstNetwork(NetworkRule rule, NetworkInfo net, ref RulesCheckerResult res)
{
if (rule is NetworkRulesSet)
{
bool thisRes = false;
foreach (var rule2 in (rule as NetworkRulesSet).Rules)
{
thisRes = CheckRuleAgainstNetwork(rule2, net, ref res);
if ((rule as NetworkRulesSet).Op == Operator.And && !thisRes) { thisRes = false; break; }
if ((rule as NetworkRulesSet).Op == Operator.Or && thisRes) { thisRes = true; break; }
if ((rule as NetworkRulesSet).Op == Operator.Not) { thisRes = !thisRes; break; }
}
res = new RulesCheckerResult(thisRes ? Reasons.MATCH : Reasons.NOMATCH, res != null ? res.ReasonString : "complex rule used");
return thisRes;
}
else if (rule is NetworkRuleDNS)
{
foreach (string dns in net.DNS)
{
if ((rule as NetworkRuleDNS).DNS == dns)
{
res = new RulesCheckerResult(Reasons.MATCH, "network DNS matches " + dns);
return true;
}
}
}
else if (rule is NetworkRuleSubnet)
{
foreach (string ip in net.NetworkIP)
{
if ((rule as NetworkRuleSubnet).Subnet == ip)
{
res = new RulesCheckerResult(Reasons.MATCH, "network subnet matches " + ip);
return true;
}
}
}
else if (rule is NetworkRuleIfName)
{
string regex = (rule as NetworkRuleIfName).InterfaceName;
if (Regex.IsMatch(net.IfName, regex))
{
res = new RulesCheckerResult(Reasons.MATCH, "interface name matches " + regex);
return true;
}
}
else if (rule is NetworkRulePingable)
{
string ip = (rule as NetworkRulePingable).IP;
log.Debug("Pinging " + ip);
System.Net.NetworkInformation.Ping ping = new System.Net.NetworkInformation.Ping();
var reply = ping.Send(ip, 5000);
log.Info("Ping status: " + reply.Status);
if (reply.Status == System.Net.NetworkInformation.IPStatus.Success)
{
res = new RulesCheckerResult(Reasons.MATCH, "machine " + ip + " is pingable");
return true;
}
}
return false;
}
