public static int Main(String[] args)
{
string node_config_path = string.Empty;
string ipop_config_path = string.Empty;
string dhcp_config_path = string.Empty;
bool show_help = false;
OptionSet opts = new OptionSet() {
{ "n|NodeConfig=", "Path to a NodeConfig file.",
v => node_config_path = v },
{ "i|IpopConfig=", "Path to an IpopConfig file.",
v => ipop_config_path = v },
{ "d|DhcpConfig=", "Path to a DHCPConfig file.",
v => dhcp_config_path = v },
{ "h|help", "Display this help and exit.",
v => show_help = v != null },
};
try {
opts.Parse(args);
} catch (OptionException e) {
PrintError(e.Message);
return -1;
}
if(show_help) {
ShowHelp(opts);
return -1;
}
if(node_config_path == string.Empty || !File.Exists(node_config_path)) {
PrintError("Missing NodeConfig");
return -1;
}
if(ipop_config_path == string.Empty || !File.Exists(ipop_config_path)) {
PrintError("Missing IpopConfig");
return -1;
}
ConfigurationValidator cv = new ConfigurationValidator();
NodeConfig node_config = null;
try {
cv.Validate(node_config_path, "Node.xsd");
node_config = Utils.ReadConfig<NodeConfig>(node_config_path);
node_config.Path = node_config_path;
} catch (Exception e) {
Console.WriteLine("Invalid NodeConfig file:");
Console.WriteLine("\t" + e.Message);
return -1;
}
if(node_config.NodeAddress == null) {
node_config.NodeAddress = (Utils.GenerateAHAddress()).ToString();
node_config.WriteConfig();
}
IpopConfig ipop_config = null;
try {
cv.Validate(ipop_config_path, "Ipop.xsd");
ipop_config = Utils.ReadConfig<IpopConfig>(ipop_config_path);
ipop_config.Path = ipop_config_path;
} catch (Exception e) {
Console.WriteLine("Invalid IpopConfig file:");
Console.WriteLine("\t" + e.Message);
return -1;
}
DHCPConfig dhcp_config = null;
if(dhcp_config_path != string.Empty) {
if(!File.Exists(dhcp_config_path)) {
PrintError("No such DhtIpop file");
return -1;
}
try {
cv.Validate(dhcp_config_path, "Dhcp.xsd");
dhcp_config = Utils.ReadConfig<DHCPConfig>(dhcp_config_path);
} catch(Exception e) {
Console.WriteLine("Invalid DhcpConfig file:");
Console.WriteLine("\t" + e.Message);
return -1;
}
if(!dhcp_config.Namespace.Equals(ipop_config.IpopNamespace)) {
PrintError("IpopConfig.Namespace isn't the same as DHCPConfig.Namespace");
return -1;
}
}
if(node_config.Security.Enabled && ipop_config.GroupVPN.Enabled && ipop_config.EndToEndSecurity) {
RSACryptoServiceProvider public_key = new RSACryptoServiceProvider();
bool create = false;
if(!File.Exists(node_config.Security.KeyPath)) {
using(FileStream fs = File.Open(node_config.Security.KeyPath, FileMode.Create)) {
RSACryptoServiceProvider private_key = new RSACryptoServiceProvider(2048);
byte[] blob = private_key.ExportCspBlob(true);
fs.Write(blob, 0, blob.Length);
public_key.ImportCspBlob(private_key.ExportCspBlob(false));
}
create = true;
}
string cacert_path = Path.Combine(node_config.Security.CertificatePath, "cacert");
if(!File.Exists(cacert_path)) {
Console.WriteLine("DhtIpop: ");
Console.WriteLine("\tMissing CACert: " + cacert_path);
}
string cert_path = Path.Combine(node_config.Security.CertificatePath,
"lc." + node_config.NodeAddress);
if(create || !File.Exists(cert_path)) {
if(!create) {
using(FileStream fs = File.Open(node_config.Security.KeyPath, FileMode.Open)) {
byte[] blob = new byte[fs.Length];
fs.Read(blob, 0, blob.Length);
public_key.ImportCspBlob(blob);
public_key.ImportCspBlob(public_key.ExportCspBlob(false));
}
}
string webcert_path = Path.Combine(node_config.Security.CertificatePath, "webcert");
if(!File.Exists(webcert_path)) {
Console.WriteLine("DhtIpop: ");
Console.WriteLine("\tMissing Servers signed cert: " + webcert_path);
}
X509Certificate webcert = X509Certificate.CreateFromCertFile(webcert_path);
CertificatePolicy.Register(webcert);
GroupVPNClient gvc = new GroupVPNClient(ipop_config.GroupVPN.UserName,
ipop_config.GroupVPN.Group, ipop_config.GroupVPN.Secret,
ipop_config.GroupVPN.ServerURI, node_config.NodeAddress,
public_key);
gvc.Start();
if(gvc.State != GroupVPNClient.States.Finished) {
Console.WriteLine("DhtIpop: ");
Console.WriteLine("\tFailure attempting to use GroupVPN");
return -1;
}
using(FileStream fs = File.Open(cert_path, FileMode.Create)) {
byte[] blob = gvc.Certificate.X509.RawData;
fs.Write(blob, 0, blob.Length);
}
}
}
DhtIpopNode node = null;
if(dhcp_config != null) {
node = new DhtIpopNode(node_config, ipop_config, dhcp_config);
} else {
node = new DhtIpopNode(node_config, ipop_config);
}
node.Run();
return 0;
}
public static int Main(String[] args)
{
string node_config_path = string.Empty;
string ipop_config_path = string.Empty;
string dhcp_config_path = string.Empty;
bool show_help = false;
OptionSet opts = new OptionSet() {
{ "n|NodeConfig=", "Path to a NodeConfig file.",
v => node_config_path = v },
{ "i|IpopConfig=", "Path to an IpopConfig file.",
v => ipop_config_path = v },
{ "d|DhcpConfig=", "Path to a DHCPConfig file.",
v => dhcp_config_path = v },
{ "h|help", "Display this help and exit.",
v => show_help = v != null },
};
try {
opts.Parse(args);
} catch (OptionException e) {
PrintError(e.Message);
return -1;
}
if(show_help) {
ShowHelp(opts);
return -1;
}
if(node_config_path == string.Empty || !File.Exists(node_config_path)) {
PrintError("Missing NodeConfig");
return -1;
}
if(ipop_config_path == string.Empty || !File.Exists(ipop_config_path)) {
PrintError("Missing IpopConfig");
return -1;
}
ConfigurationValidator cv = new ConfigurationValidator();
NodeConfig node_config = null;
try {
cv.Validate(node_config_path, "Node.xsd");
node_config = Utils.ReadConfig<NodeConfig>(node_config_path);
node_config.Path = node_config_path;
} catch (Exception e) {
Console.WriteLine("Invalid NodeConfig file:");
Console.WriteLine("\t" + e.Message);
return -1;
}
if(node_config.NodeAddress == null) {
node_config.NodeAddress = (Utils.GenerateAHAddress()).ToString();
node_config.WriteConfig();
}
IpopConfig ipop_config = null;
try {
cv.Validate(ipop_config_path, "Ipop.xsd");
ipop_config = Utils.ReadConfig<IpopConfig>(ipop_config_path);
ipop_config.Path = ipop_config_path;
} catch (Exception e) {
Console.WriteLine("Invalid IpopConfig file:");
Console.WriteLine("\t" + e.Message);
return -1;
}
DHCPConfig dhcp_config = null;
if(dhcp_config_path != string.Empty) {
if(!File.Exists(dhcp_config_path)) {
PrintError("No such DhtIpop file");
return -1;
}
try {
cv.Validate(dhcp_config_path, "Dhcp.xsd");
dhcp_config = Utils.ReadConfig<DHCPConfig>(dhcp_config_path);
} catch(Exception e) {
Console.WriteLine("Invalid DhcpConfig file:");
Console.WriteLine("\t" + e.Message);
return -1;
}
if(!dhcp_config.Namespace.Equals(ipop_config.IpopNamespace)) {
PrintError("IpopConfig.Namespace isn't the same as DHCPConfig.Namespace");
return -1;
}
}
bool groupvpn = node_config.Security.Enabled &&
ipop_config.GroupVPN.Enabled &&
ipop_config.EndToEndSecurity;
// enable GroupVPN!
if(groupvpn) {
// check to see if we have a valid private key
RSACryptoServiceProvider public_key = new RSACryptoServiceProvider();
bool create = true;
if(File.Exists(node_config.Security.KeyPath)) {
try {
using(FileStream fs = File.Open(node_config.Security.KeyPath, FileMode.Open)) {
byte[] blob = new byte[fs.Length];
fs.Read(blob, 0, blob.Length);
public_key.ImportCspBlob(blob);
public_key.ImportCspBlob(public_key.ExportCspBlob(false));
}
create = false;
} catch { }
}
// we don't, let's create one
if(create) {
using(FileStream fs = File.Open(node_config.Security.KeyPath, FileMode.Create)) {
RSACryptoServiceProvider private_key = new RSACryptoServiceProvider(2048);
byte[] blob = private_key.ExportCspBlob(true);
fs.Write(blob, 0, blob.Length);
public_key.ImportCspBlob(private_key.ExportCspBlob(false));
}
}
// verify we have a cacert
string cacert_path = Path.Combine(node_config.Security.CertificatePath, "cacert");
if(!File.Exists(cacert_path)) {
Console.WriteLine("DhtIpop: ");
Console.WriteLine("\tMissing CACert: " + cacert_path);
}
// do we already have a certificate that matches our node id?
string cert_path = Path.Combine(node_config.Security.CertificatePath,
"lc." + node_config.NodeAddress.Substring(12));
// no, let's create one
if(create || !File.Exists(cert_path)) {
// prepare access to the groupvpn site
string webcert_path = Path.Combine(node_config.Security.CertificatePath, "webcert");
if(!File.Exists(webcert_path)) {
Console.WriteLine("DhtIpop: ");
Console.WriteLine("\tMissing Servers signed cert: " + webcert_path);
}
X509Certificate webcert = X509Certificate.CreateFromCertFile(webcert_path);
CertificatePolicy.Register(webcert);
// get certificate and store it to file
GroupVPNClient gvc = new GroupVPNClient(ipop_config.GroupVPN.UserName,
ipop_config.GroupVPN.Group, ipop_config.GroupVPN.Secret,
ipop_config.GroupVPN.ServerURI, node_config.NodeAddress,
public_key);
gvc.Start();
if(gvc.State != GroupVPNClient.States.Finished) {
Console.WriteLine("DhtIpop: ");
Console.WriteLine("\tFailure attempting to use GroupVPN");
return -1;
}
using(FileStream fs = File.Open(cert_path, FileMode.Create)) {
byte[] blob = gvc.Certificate.X509.RawData;
fs.Write(blob, 0, blob.Length);
}
}
}
if(dhcp_config != null) {
_current_node = new DhtIpopNode(node_config, ipop_config, dhcp_config);
} else {
_current_node = new DhtIpopNode(node_config, ipop_config);
}
if(groupvpn) {
// hack until I can come up with a cleaner solution to add features
// that don't break config files on previous IPOP
string cacert_path = Path.Combine(node_config.Security.CertificatePath, "cacert");
string revocation_url = ipop_config.GroupVPN.ServerURI.Replace("mono/GroupVPN.rem",
"data/" + ipop_config.GroupVPN.Group + "/revocation_list");
revocation_url = revocation_url.Replace("https", "http");
var icv = new GroupCertificateVerification(revocation_url, cacert_path);
_current_node.Bso.CertificateHandler.AddCertificateVerification(icv);
icv.RevocationUpdate += _current_node.Bso.CheckSAs;
}
Console.WriteLine("Starting IPOP: " + DateTime.UtcNow);
_current_node.Run();
return 0;
}
