v4.03-9408-rtm

1 files changed, 650 insertions, 0 deletions

diff --git a/src/BuildUtil/VpnBuilder.cs b/src/BuildUtil/VpnBuilder.cs
new file mode 100644
index 00000000..c6489c77
--- /dev/null
+++ b/src/BuildUtil/VpnBuilder.cs
@@ -0,0 +1,650 @@
+// SoftEther VPN Source Code

+// Build Utility

+// 

+// SoftEther VPN Server, Client and Bridge are free software under GPLv2.

+// 

+// Copyright (c) 2012-2014 Daiyuu Nobori.

+// Copyright (c) 2012-2014 SoftEther VPN Project, University of Tsukuba, Japan.

+// Copyright (c) 2012-2014 SoftEther Corporation.

+// 

+// All Rights Reserved.

+// 

+// http://www.softether.org/

+// 

+// Author: Daiyuu Nobori

+// Comments: Tetsuo Sugiyama, Ph.D.

+// 

+// 

+// This program is free software; you can redistribute it and/or

+// modify it under the terms of the GNU General Public License

+// version 2 as published by the Free Software Foundation.

+// 

+// This program is distributed in the hope that it will be useful,

+// but WITHOUT ANY WARRANTY; without even the implied warranty of

+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

+// GNU General Public License for more details.

+// 

+// You should have received a copy of the GNU General Public License version 2

+// along with this program; if not, write to the Free Software

+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

+// 

+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY

+// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

+// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

+// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

+// 

+// THE LICENSE AGREEMENT IS ATTACHED ON THE SOURCE-CODE PACKAGE

+// AS "LICENSE.TXT" FILE. READ THE TEXT FILE IN ADVANCE TO USE THE SOFTWARE.

+// 

+// 

+// THIS SOFTWARE IS DEVELOPED IN JAPAN, AND DISTRIBUTED FROM JAPAN,

+// UNDER JAPANESE LAWS. YOU MUST AGREE IN ADVANCE TO USE, COPY, MODIFY,

+// MERGE, PUBLISH, DISTRIBUTE, SUBLICENSE, AND/OR SELL COPIES OF THIS

+// SOFTWARE, THAT ANY JURIDICAL DISPUTES WHICH ARE CONCERNED TO THIS

+// SOFTWARE OR ITS CONTENTS, AGAINST US (SOFTETHER PROJECT, SOFTETHER

+// CORPORATION, DAIYUU NOBORI OR OTHER SUPPLIERS), OR ANY JURIDICAL

+// DISPUTES AGAINST US WHICH ARE CAUSED BY ANY KIND OF USING, COPYING,

+// MODIFYING, MERGING, PUBLISHING, DISTRIBUTING, SUBLICENSING, AND/OR

+// SELLING COPIES OF THIS SOFTWARE SHALL BE REGARDED AS BE CONSTRUED AND

+// CONTROLLED BY JAPANESE LAWS, AND YOU MUST FURTHER CONSENT TO

+// EXCLUSIVE JURISDICTION AND VENUE IN THE COURTS SITTING IN TOKYO,

+// JAPAN. YOU MUST WAIVE ALL DEFENSES OF LACK OF PERSONAL JURISDICTION

+// AND FORUM NON CONVENIENS. PROCESS MAY BE SERVED ON EITHER PARTY IN

+// THE MANNER AUTHORIZED BY APPLICABLE LAW OR COURT RULE.

+// 

+// USE ONLY IN JAPAN. DO NOT USE IT IN OTHER COUNTRIES. IMPORTING THIS

+// SOFTWARE INTO OTHER COUNTRIES IS AT YOUR OWN RISK. SOME COUNTRIES

+// PROHIBIT ENCRYPTED COMMUNICATIONS. USING THIS SOFTWARE IN OTHER

+// COUNTRIES MIGHT BE RESTRICTED.

+// 

+// 

+// DEAR SECURITY EXPERTS

+// ---------------------

+// 

+// If you find a bug or a security vulnerability please kindly inform us

+// about the problem immediately so that we can fix the security problem

+// to protect a lot of users around the world as soon as possible.

+// 

+// Our e-mail address for security reports is:

+// softether-vpn-security [at] softether.org

+// 

+// Please note that the above e-mail address is not a technical support

+// inquiry address. If you need technical assistance, please visit

+// http://www.softether.org/ and ask your question on the users forum.

+// 

+// Thank you for your cooperation.

+

+

+using System;

+using System.Threading;

+using System.Text;

+using System.Configuration;

+using System.Collections;

+using System.Collections.Generic;

+using System.Collections.Specialized;

+using System.Security.Cryptography;

+using System.Web;

+using System.Web.Security;

+using System.Web.UI;

+using System.Web.UI.WebControls;

+using System.Web.UI.WebControls.WebParts;

+using System.Web.UI.HtmlControls;

+using System.IO;

+using System.Drawing;

+using System.Drawing.Imaging;

+using System.Drawing.Drawing2D;

+using System.Diagnostics;

+using System.Net;

+using System.Net.Security;

+using System.Security.Cryptography.X509Certificates;

+using CoreUtil;

+

+namespace BuildUtil

+{

+	// Languages

+	public class Language

+	{

+		public int Number;

+		public string Id;

+		public string Title;

+		public string TitleUnicode;

+		public string WindowsLocaleIds;

+		public string UnixLocaleIds;

+	}

+

+	// Build helper class

+	public static class BuildHelper

+	{

+		// loads the language list text file

+		public static Language[] GetLanguageList()

+		{

+			return GetLanguageList(Path.Combine(Paths.BinDirName, @"hamcore\languages.txt"));

+		}

+		public static Language[] GetLanguageList(string filename)

+		{

+			List<Language> ret = new List<Language>();

+			string[] lines = File.ReadAllLines(filename, Str.Utf8Encoding);

+

+			foreach (string line in lines)

+			{

+				string s = line.Trim();

+

+				if (Str.IsEmptyStr(s) == false)

+				{

+					if (s.StartsWith("#", StringComparison.InvariantCultureIgnoreCase) == false)

+					{

+						string[] sps = { " ", "\t", };

+						string[] tokens = s.Split(sps, StringSplitOptions.RemoveEmptyEntries);

+

+						if (tokens.Length == 6)

+						{

+							Language e = new Language();

+

+							e.Number = Str.StrToInt(tokens[0]);

+							e.Id = tokens[1];

+							e.Title = Str.ReplaceStr(tokens[2], "_", " ");

+							e.TitleUnicode = tokens[3];

+							e.WindowsLocaleIds = tokens[4];

+							e.UnixLocaleIds = tokens[5];

+

+							ret.Add(e);

+

+							Con.WriteLine(tokens.Length);

+						}

+					}

+				}

+			}

+

+			return ret.ToArray();

+		}

+

+		// Build

+		public static void BuildMain(BuildSoftware soft, bool debugModeIfUnix)

+		{

+			int version, build;

+			string name;

+			DateTime date;

+

+			string title = Console.Title;

+			Console.Title = string.Format("Building {0}", soft.IDString);

+

+			try

+			{

+				Win32BuildUtil.ReadBuildInfoFromTextFile(out build, out version, out name, out date);

+

+				soft.SetBuildNumberVersionName(build, version, name, date);

+

+				Con.WriteLine("Building '{0}' - {1}...", soft.IDString, soft.TitleString);

+

+				BuildSoftwareUnix softUnix = soft as BuildSoftwareUnix;

+

+				if (softUnix == null)

+				{

+					soft.Build();

+				}

+				else

+				{

+					softUnix.Build(debugModeIfUnix);

+				}

+			}

+			finally

+			{

+				Console.Title = title;

+			}

+		}

+

+		// Convert the number to a version number

+		public static string VersionIntToString(int version)

+		{

+			return string.Format("{0}.{1:D2}", version / 100, version % 100);

+		}

+

+		// Get a product list that is included in the software

+		public static string GetSoftwareProductList(Software soft)

+		{

+			string ret = "";

+

+			switch (soft)

+			{

+				case Software.vpnbridge:

+					ret = "PacketiX VPN Bridge";

+					break;

+

+				case Software.vpnclient:

+					ret = "PacketiX VPN Client, PacketiX VPN Command-Line Admin Utility (vpncmd)";

+					break;

+

+				case Software.vpnserver:

+					ret = "PacketiX VPN Server, PacketiX VPN Command-Line Admin Utility (vpncmd)";

+					break;

+

+				case Software.vpnserver_vpnbridge:

+					ret = "PacketiX VPN Server, PacketiX VPN Bridge, PacketiX VPN Server Manager for Windows, PacketiX VPN Command-Line Admin Utility (vpncmd)";

+					break;

+

+				default:

+					throw new ApplicationException("invalid soft.");

+			}

+

+#if BU_SOFTETHER

+			ret = Str.ReplaceStr(ret, "PacketiX", "SoftEther", false);

+#endif

+

+			return ret;

+		}

+

+		// Get the title of the software

+		public static string GetSoftwareTitle(Software soft)

+		{

+			string ret = "";

+

+			switch (soft)

+			{

+				case Software.vpnbridge:

+					ret = "PacketiX VPN Bridge";

+					break;

+

+				case Software.vpnclient:

+					ret = "PacketiX VPN Client";

+					break;

+

+				case Software.vpnserver:

+					ret = "PacketiX VPN Server";

+					break;

+

+				case Software.vpnserver_vpnbridge:

+					ret = "PacketiX VPN Server and VPN Bridge";

+					break;

+

+				default:

+					throw new ApplicationException("invalid soft.");

+			}

+			

+#if BU_SOFTETHER

+			ret = Str.ReplaceStr(ret, "PacketiX", "SoftEther", false);

+#endif

+

+			return ret;

+		}

+	}

+

+	// Basic path information

+	public static class Paths

+	{

+		public static readonly string ExeFileName = Env.ExeFileName;

+		public static readonly string ExeDirName = Env.ExeFileDir;

+		public static readonly string BinDirName = ExeDirName;

+		public static readonly string BaseDirName = IO.NormalizePath(Path.Combine(BinDirName, @"..\"));

+		public static readonly string UtilityDirName = IO.NormalizePath(Path.Combine(BinDirName, @"..\BuildFiles\Utility"));

+

+#if !BU_SOFTETHER

+		// PacketiX VPN (build by SoftEther)

+		public static readonly string VPN4SolutionFileName = Path.Combine(BaseDirName, "VPN4.sln");

+		public static readonly string DebugSnapshotBaseDir = @"S:\SE4\DebugFilesSnapshot";

+		public static readonly string ReleaseDestDir = @"s:\SE4\Releases";

+		public const string Prefix = "";

+#else

+#if !BU_OSS

+		// SoftEther VPN (build by SoftEther)

+		public static readonly string VPN4SolutionFileName = Path.Combine(BaseDirName, "SEVPN.sln");

+		public static readonly string DebugSnapshotBaseDir = @"S:\SE4\DebugFilesSnapshot_SEVPN";

+		public static readonly string ReleaseDestDir = @"s:\SE4\Releases_SEVPN";

+		public const string Prefix = "softether-";

+#else

+		// SoftEther VPN (build by Open Source Developers)

+		public static readonly string VPN4SolutionFileName = Path.Combine(BaseDirName, "SEVPN.sln");

+		public static readonly string DebugSnapshotBaseDir = IO.NormalizePath(Path.Combine(BaseDirName, @"..\output\debug"));

+		public static readonly string ReleaseDestDir = IO.NormalizePath(Path.Combine(BaseDirName, @"..\output\pkg"));

+		public const string Prefix = "softether_open-";

+#endif

+#endif

+

+		public static readonly string ReleaseDestDir_SEVPN = @"s:\SE4\Releases_SEVPN";

+

+		public static readonly string BuildHamcoreFilesDirName = Path.Combine(BinDirName, "BuiltHamcoreFiles");

+		public static readonly string VisualStudioVCDir;

+		public static readonly string VisualStudioVCBatchFileName;

+		public static readonly string DotNetFramework35Dir;

+		public static readonly string MSBuildFileName;

+		public static readonly string TmpDirName;

+		public static readonly DateTime StartDateTime = DateTime.Now;

+		public static readonly string StartDateTimeStr;

+		public static readonly string CmdFileName;

+		public static readonly string ManifestsDir = Path.Combine(BaseDirName, @"BuildFiles\Manifests");

+		public static readonly string XCopyExeFileName = Path.Combine(Env.SystemDir, "xcopy.exe");

+		public static readonly string ReleaseDir = Path.Combine(BaseDirName, @"tmp\Release");

+		public static readonly string ReleaseSrckitDir = Path.Combine(BaseDirName, @"tmp\ReleaseSrcKit");

+		public static readonly string StringsDir = Path.Combine(BaseDirName, @"BuildFiles\Strings");

+		public static readonly string CrossCompilerBaseDir = @"S:\CommomDev\xc";

+		public static readonly string UnixInstallScript = Path.Combine(BaseDirName, @"BuildFiles\UnixFiles\InstallScript.txt");

+		public static readonly string OssCommentsFile = Path.Combine(StringsDir, "OssComments.txt");

+		public static readonly string AutorunSrcDir = IO.NormalizePath(Path.Combine(BaseDirName, @"..\Autorun"));

+		public static readonly string MicrosoftSDKDir;

+		public static readonly string MakeCatFilename;

+		public static readonly string RcFilename;

+		public static readonly string SoftEtherBuildDir = Env.SystemDir.Substring(0, 2) + @"\tmp\softether_build_dir";

+		public static readonly string OpenSourceDestDir = Env.SystemDir.Substring(0, 2) + @"\tmp\softether_oss_dest_dir";

+

+		// Initialize

+		static Paths()

+		{

+			// Starting date and time string

+			Paths.StartDateTimeStr = Str.DateTimeToStrShort(Paths.StartDateTime);

+

+			// Check whether the execution path is the bin directory in the VPN directory

+			if (Paths.BinDirName.EndsWith(@"\bin", StringComparison.InvariantCultureIgnoreCase) == false)

+			{

+				throw new ApplicationException(string.Format("'{0}' is not a VPN bin directory.", Paths.BinDirName));

+			}

+			if (File.Exists(Paths.VPN4SolutionFileName) == false)

+			{

+				throw new ApplicationException(string.Format("'{0}' is not a VPN base directory.", Paths.BaseDirName));

+			}

+

+			// Get the VC++ directory

+			// Visual Studio 2008

+			Paths.VisualStudioVCDir = IO.RemoteLastEnMark(Reg.ReadStr(RegRoot.LocalMachine, @"SOFTWARE\Microsoft\VisualStudio\9.0\Setup\VC", "ProductDir"));

+			if (Str.IsEmptyStr(Paths.VisualStudioVCDir))

+			{

+				throw new ApplicationException("Visual C++ directory not found.\n");

+			}

+			if (Directory.Exists(Paths.VisualStudioVCDir) == false)

+			{

+				throw new ApplicationException(string.Format("Directory '{0}' not found.", Paths.VisualStudioVCDir));

+			}

+

+			// Get the VC++ batch file name

+			Paths.VisualStudioVCBatchFileName = Path.Combine(Paths.VisualStudioVCDir, "vcvarsall.bat");

+			if (File.Exists(Paths.VisualStudioVCBatchFileName) == false)

+			{

+				throw new ApplicationException(string.Format("File '{0}' not found.", Paths.VisualStudioVCBatchFileName));

+			}

+

+			bool x86_dir = false;

+

+			// Get Microsoft SDK 6.0a directory

+			Paths.MicrosoftSDKDir = IO.RemoteLastEnMark(Reg.ReadStr(RegRoot.LocalMachine, @"SOFTWARE\Microsoft\Microsoft SDKs\Windows\v6.0A", "InstallationFolder"));

+

+			// Get makecat.exe file name

+			Paths.MakeCatFilename = Path.Combine(Paths.MicrosoftSDKDir, @"bin\" + (x86_dir ? @"x86\" : "") + "makecat.exe");

+

+			// Get the rc.exe file name

+			Paths.RcFilename = Path.Combine(Paths.MicrosoftSDKDir, @"bin\" + (x86_dir ? @"x86\" : "") + "rc.exe");

+

+			// Get the cmd.exe file name

+			Paths.CmdFileName = Path.Combine(Env.SystemDir, "cmd.exe");

+			if (File.Exists(Paths.CmdFileName) == false)

+			{

+				throw new ApplicationException(string.Format("File '{0}' not found.", Paths.CmdFileName));

+			}

+

+			// Get .NET Framework 3.5 directory

+			Paths.DotNetFramework35Dir = Path.Combine(Env.WindowsDir, @"Microsoft.NET\Framework\v3.5");

+

+			// Get msbuild.exe directory

+			Paths.MSBuildFileName = Path.Combine(Paths.DotNetFramework35Dir, "MSBuild.exe");

+			if (File.Exists(Paths.MSBuildFileName) == false)

+			{

+				throw new ApplicationException(string.Format("File '{0}' not found.", Paths.MSBuildFileName));

+			}

+

+			// Get the TMP directory

+			Paths.TmpDirName = Path.Combine(Paths.BaseDirName, "tmp");

+			if (Directory.Exists(Paths.TmpDirName) == false)

+			{

+				Directory.CreateDirectory(Paths.TmpDirName);

+			}

+		}

+

+		public static void DeleteAllReleaseTarGz()

+		{

+			if (Directory.Exists(Paths.ReleaseDir))

+			{

+				string[] files = Directory.GetFiles(Paths.ReleaseDir, "*.gz", SearchOption.AllDirectories);

+

+				foreach (string file in files)

+				{

+					File.Delete(file);

+				}

+			}

+

+			if (Directory.Exists(Paths.ReleaseSrckitDir))

+			{

+				string[] files = Directory.GetFiles(Paths.ReleaseSrckitDir, "*.gz", SearchOption.AllDirectories);

+

+				foreach (string file in files)

+				{

+					File.Delete(file);

+				}

+			}

+		}

+

+		public static void DeleteAllReleaseAdminKits()

+		{

+			if (Directory.Exists(Paths.ReleaseDir))

+			{

+				string[] files = Directory.GetFiles(Paths.ReleaseDir, "*.zip", SearchOption.AllDirectories);

+

+				foreach (string file in files)

+				{

+					if (Str.InStr(file, "vpnadminpak"))

+					{

+						File.Delete(file);

+					}

+				}

+			}

+		}

+

+		public static void DeleteAllReleaseManuals()

+		{

+			if (Directory.Exists(Paths.ReleaseDir))

+			{

+				string[] files = Directory.GetFiles(Paths.ReleaseDir, "*", SearchOption.AllDirectories);

+

+				foreach (string file in files)

+				{

+					if (Str.InStr(file, "vpnmanual"))

+					{

+						File.Delete(file);

+					}

+				}

+			}

+		}

+

+		public static void DeleteAllReleaseExe()

+		{

+			if (Directory.Exists(Paths.ReleaseDir))

+			{

+				string[] files = Directory.GetFiles(Paths.ReleaseDir, "*.exe", SearchOption.AllDirectories);

+

+				foreach (string file in files)

+				{

+					if (Str.InStr(file, "vpnmanual") == false)

+					{

+						File.Delete(file);

+					}

+				}

+			}

+		}

+	}

+

+	// HamCore build utility

+	public static class HamCoreBuildUtil

+	{

+		// Identify whether a file is necessary only in the Win32

+		public static bool IsFileForOnlyWin32(string filename)

+		{

+			string[] filesOnlyWin32 =

+			{

+				".exe",

+				".dll",

+				".sys",

+				".inf",

+				".wav",

+			};

+

+			foreach (string ext in filesOnlyWin32)

+			{

+				if (filename.EndsWith(ext, StringComparison.InvariantCultureIgnoreCase))

+				{

+					return true;

+				}

+			}

+

+			return false;

+		}

+

+		// Delete svn file

+		public static void DeleteSVNFilesFromHamCoreBuilder(HamCoreBuilder b)

+		{

+			List<string> removeFiles = new List<string>();

+			foreach (HamCoreBuilderFileEntry f in b.FileList)

+			{

+				string name = f.Name;

+				if (name.StartsWith(".svn", StringComparison.InvariantCultureIgnoreCase) ||

+					name.IndexOf(@"\.svn", StringComparison.InvariantCultureIgnoreCase) != -1)

+				{

+					removeFiles.Add(name);

+				}

+			}

+			foreach (string file in removeFiles)

+			{

+				b.DeleteFile(file);

+			}

+		}

+

+		// Build Hamcore file

+		public static void BuildHamcore()

+		{

+			string srcDirNameBasic = Path.Combine(Paths.BinDirName, "hamcore");

+			// Create the destination directory

+			string win32DestDir = Path.Combine(Paths.BuildHamcoreFilesDirName, "hamcore_win32");

+			string win32DestFileName = Path.Combine(win32DestDir, "hamcore.se2");

+			string unixDestDir = Path.Combine(Paths.BuildHamcoreFilesDirName, "hamcore_unix");

+			string unixDestFileName = Path.Combine(unixDestDir, "hamcore.se2");

+			IO.MakeDir(win32DestDir);

+			IO.MakeDir(unixDestDir);

+

+

+			BuildHamcoreEx(srcDirNameBasic, win32DestFileName, unixDestFileName);

+

+			// Copy to bin\hamcore.se2

+			try

+			{

+				string binHamcoreFileName = Path.Combine(Paths.BinDirName, "hamcore.se2");

+

+				try

+				{

+					File.Delete(binHamcoreFileName);

+				}

+				catch

+				{

+				}

+

+				File.Copy(win32DestFileName, binHamcoreFileName, true);

+			}

+			catch

+			{

+			}

+		}

+

+		public static void BuildHamcoreEx(string srcDirNameBasic, string win32DestFileName, string unixDestFileName)

+		{

+			HamCoreBuilder b = new HamCoreBuilder();

+			b.AddDir(srcDirNameBasic);

+			Con.WriteLine("* Building hamcore ...");

+

+			DeleteSVNFilesFromHamCoreBuilder(b);

+

+			try

+			{

+				File.Delete(win32DestFileName);

+			}

+			catch

+			{

+			}

+			b.Build(win32DestFileName);

+

+			// unix

+			List<string> removeFiles = new List<string>();

+			foreach (HamCoreBuilderFileEntry f in b.FileList)

+			{

+				if (IsFileForOnlyWin32(f.Name))

+				{

+					removeFiles.Add(f.Name);

+				}

+			}

+			foreach (string removeFile in removeFiles)

+			{

+				b.DeleteFile(removeFile);

+			}

+

+			DeleteSVNFilesFromHamCoreBuilder(b);

+

+			try

+			{

+				File.Delete(unixDestFileName);

+			}

+			catch

+			{

+			}

+			b.Build(unixDestFileName);

+		}

+	}

+

+	// Number of bits

+	public enum CPUBits

+	{

+		Both,

+		Bits32,

+		Bits64,

+	}

+

+	// Conversion a string to the number of bits

+	public static class CPUBitsUtil

+	{

+		public static CPUBits StringToCPUBits(string str)

+		{

+			if (str.Equals("32bit", StringComparison.InvariantCultureIgnoreCase))

+			{

+				return CPUBits.Bits32;

+			}

+			else if (str.Equals("64bit", StringComparison.InvariantCultureIgnoreCase))

+			{

+				return CPUBits.Bits64;

+			}

+			else if (str.Equals("intel", StringComparison.InvariantCultureIgnoreCase))

+			{

+				return CPUBits.Both;

+			}

+

+			throw new ApplicationException(string.Format("Invalid bits string '{0}'.", str));

+		}

+

+		public static string CPUBitsToString(CPUBits bits)

+		{

+			switch (bits)

+			{

+				case CPUBits.Bits32:

+					return "32bit";

+

+				case CPUBits.Bits64:

+					return "64bit";

+

+				case CPUBits.Both:

+					return "intel";

+			}

+

+			throw new ApplicationException("bits invalid.");

+		}

+	}

+}

+

+

+

+// Developed by SoftEther VPN Project at University of Tsukuba in Japan.

+// Department of Computer Science has dozens of overly-enthusiastic geeks.

+// Join us: http://www.tsukuba.ac.jp/english/admission/