446 lines
13 KiB
C#
446 lines
13 KiB
C#
// CoreUtil
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//
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// Copyright (C) 2012-2014 Daiyuu Nobori. All Rights Reserved.
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// Copyright (C) 2012-2014 SoftEther VPN Project at University of Tsukuba. All Rights Reserved.
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//
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// License: The Apache License, Version 2.0
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// DISCLAIMER
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// ==========
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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// THIS SOFTWARE IS DEVELOPED IN JAPAN, AND DISTRIBUTED FROM JAPAN, UNDER
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// JAPANESE LAWS. YOU MUST AGREE IN ADVANCE TO USE, COPY, MODIFY, MERGE, PUBLISH,
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// DISTRIBUTE, SUBLICENSE, AND/OR SELL COPIES OF THIS SOFTWARE, THAT ANY
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// JURIDICAL DISPUTES WHICH ARE CONCERNED TO THIS SOFTWARE OR ITS CONTENTS,
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// AGAINST US (SOFTETHER PROJECT, SOFTETHER CORPORATION, DAIYUU NOBORI OR OTHER
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// SUPPLIERS), OR ANY JURIDICAL DISPUTES AGAINST US WHICH ARE CAUSED BY ANY KIND
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// OF USING, COPYING, MODIFYING, MERGING, PUBLISHING, DISTRIBUTING, SUBLICENSING,
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// AND/OR SELLING COPIES OF THIS SOFTWARE SHALL BE REGARDED AS BE CONSTRUED AND
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// CONTROLLED BY JAPANESE LAWS, AND YOU MUST FURTHER CONSENT TO EXCLUSIVE
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// JURISDICTION AND VENUE IN THE COURTS SITTING IN TOKYO, JAPAN. YOU MUST WAIVE
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// ALL DEFENSES OF LACK OF PERSONAL JURISDICTION AND FORUM NON CONVENIENS.
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// PROCESS MAY BE SERVED ON EITHER PARTY IN THE MANNER AUTHORIZED BY APPLICABLE
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// LAW OR COURT RULE.
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//
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// USE ONLY IN JAPAN. DO NOT USE THIS SOFTWARE IN ANOTHER COUNTRY UNLESS YOU HAVE
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// A CONFIRMATION THAT THIS SOFTWARE DOES NOT VIOLATE ANY CRIMINAL LAWS OR CIVIL
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// RIGHTS IN THAT PARTICULAR COUNTRY. USING THIS SOFTWARE IN OTHER COUNTRIES IS
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// COMPLETELY AT YOUR OWN RISK. THE SOFTETHER VPN PROJECT HAS DEVELOPED AND
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// DISTRIBUTED THIS SOFTWARE TO COMPLY ONLY WITH THE JAPANESE LAWS AND EXISTING
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// CIVIL RIGHTS INCLUDING PATENTS WHICH ARE SUBJECTS APPLY IN JAPAN. OTHER
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// COUNTRIES' LAWS OR CIVIL RIGHTS ARE NONE OF OUR CONCERNS NOR RESPONSIBILITIES.
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// WE HAVE NEVER INVESTIGATED ANY CRIMINAL REGULATIONS, CIVIL LAWS OR
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// INTELLECTUAL PROPERTY RIGHTS INCLUDING PATENTS IN ANY OF OTHER 200+ COUNTRIES
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// AND TERRITORIES. BY NATURE, THERE ARE 200+ REGIONS IN THE WORLD, WITH
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// DIFFERENT LAWS. IT IS IMPOSSIBLE TO VERIFY EVERY COUNTRIES' LAWS, REGULATIONS
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// AND CIVIL RIGHTS TO MAKE THE SOFTWARE COMPLY WITH ALL COUNTRIES' LAWS BY THE
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// PROJECT. EVEN IF YOU WILL BE SUED BY A PRIVATE ENTITY OR BE DAMAGED BY A
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// PUBLIC SERVANT IN YOUR COUNTRY, THE DEVELOPERS OF THIS SOFTWARE WILL NEVER BE
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// LIABLE TO RECOVER OR COMPENSATE SUCH DAMAGES, CRIMINAL OR CIVIL
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// RESPONSIBILITIES. NOTE THAT THIS LINE IS NOT LICENSE RESTRICTION BUT JUST A
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// STATEMENT FOR WARNING AND DISCLAIMER.
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//
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// READ AND UNDERSTAND THE 'WARNING.TXT' FILE BEFORE USING THIS SOFTWARE.
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// SOME SOFTWARE PROGRAMS FROM THIRD PARTIES ARE INCLUDED ON THIS SOFTWARE WITH
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// LICENSE CONDITIONS WHICH ARE DESCRIBED ON THE 'THIRD_PARTY.TXT' FILE.
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//
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//
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// SOURCE CODE CONTRIBUTION
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// ------------------------
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//
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// Your contribution to SoftEther VPN Project is much appreciated.
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// Please send patches to us through GitHub.
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// Read the SoftEther VPN Patch Acceptance Policy in advance:
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// http://www.softether.org/5-download/src/9.patch
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//
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//
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// DEAR SECURITY EXPERTS
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// ---------------------
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//
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// If you find a bug or a security vulnerability please kindly inform us
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// about the problem immediately so that we can fix the security problem
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// to protect a lot of users around the world as soon as possible.
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//
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// Our e-mail address for security reports is:
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// softether-vpn-security [at] softether.org
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//
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// Please note that the above e-mail address is not a technical support
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// inquiry address. If you need technical assistance, please visit
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// http://www.softether.org/ and ask your question on the users forum.
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//
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// Thank you for your cooperation.
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//
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//
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// NO MEMORY OR RESOURCE LEAKS
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// ---------------------------
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//
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// The memory-leaks and resource-leaks verification under the stress
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// test has been passed before release this source code.
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using System;
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using System.Threading;
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using System.Data;
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using System.Data.Sql;
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using System.Data.SqlClient;
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using System.Data.SqlTypes;
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using System.Text;
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using System.Configuration;
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using System.Collections;
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using System.Collections.Generic;
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using System.Security.Cryptography;
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using System.Web;
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using System.Web.Security;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Web.UI.WebControls.WebParts;
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using System.Web.UI.HtmlControls;
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using System.IO;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.Drawing.Drawing2D;
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using System.Runtime.InteropServices;
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namespace CoreUtil
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{
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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public struct TarHeader
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{
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 100)]
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public byte[] Name;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
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public byte[] Mode;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
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public byte[] UID;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
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public byte[] GID;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 12)]
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public byte[] Size;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 12)]
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public byte[] MTime;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
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public byte[] CheckSum;
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public byte TypeFlag;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 100)]
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public byte[] LinkName;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 6)]
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public byte[] Magic;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)]
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public byte[] Version;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
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public byte[] UName;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
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public byte[] GName;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
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public byte[] DevMajor;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
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public byte[] DevMinor;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 155)]
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public byte[] Prefix;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 12)]
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public byte[] Padding;
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public TarHeader(bool dummy)
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{
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this.Name = new byte[100];
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this.Mode = new byte[8];
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this.UID = new byte[8];
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this.GID = new byte[8];
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this.Size = new byte[12];
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this.MTime = new byte[12];
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this.CheckSum = new byte[8];
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this.LinkName = new byte[100];
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this.Magic = new byte[6];
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this.Version = new byte[2];
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this.UName = new byte[32];
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this.GName = new byte[32];
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this.DevMajor = new byte[8];
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this.DevMinor = new byte[8];
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this.Prefix = new byte[155];
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this.Padding = new byte[12];
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this.TypeFlag = 0;
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this.Version[0] = 0x20;
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this.Version[1] = 0x00;
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byte[] data = Str.ShiftJisEncoding.GetBytes("ustar ");
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Util.CopyByte(this.Magic, 0, data, 0, 6);
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}
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public void SetName(string name, Encoding encoding)
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{
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byte[] data = encoding.GetBytes(name);
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if (data.Length <= 100)
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{
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Util.CopyByte(this.Name, 0, data, 0, data.Length);
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}
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else
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{
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Util.CopyByte(this.Name, 0, data, 0, 100);
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Util.CopyByte(this.Prefix, 0, data, 100, data.Length - 100);
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}
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}
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public void SetMode(string str)
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{
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StrToByteArray(this.Mode, str);
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}
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public void SetUID(string str)
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{
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StrToByteArray(this.UID, str);
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}
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public void SetGID(string str)
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{
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StrToByteArray(this.GID, str);
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}
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public void SetSize(long size)
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{
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if (size >= 0x1FFFFFFFF || size < 0)
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{
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throw new InvalidDataException("size");
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}
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StrToByteArray(this.Size, Str.AppendZeroToNumString(Convert.ToString(size, 8), 11));
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}
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public void SetMTime(DateTime dt)
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{
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uint t = Util.DateTimeToUnixTime(dt.ToUniversalTime());
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StrToByteArray(this.MTime, Str.AppendZeroToNumString(Convert.ToString(t, 8), 11));
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}
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public void CalcChecksum()
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{
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TarHeader h2 = this;
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Array.Clear(h2.CheckSum, 0, h2.CheckSum.Length);
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byte[] data = Util.StructToByte(h2);
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SetChecksum(data);
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}
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public void SetChecksum(byte[] data)
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{
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ulong sum = 0;
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int i;
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for (i = 0; i < data.Length; i++)
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{
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sum += (ulong)data[i];
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}
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sum += 0x100;
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StrToByteArray(this.CheckSum, Str.AppendZeroToNumString(Convert.ToString((long)sum, 8), 6));
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this.CheckSum[7] = 0x20;
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}
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public void SetTypeFlag(int flag)
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{
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this.TypeFlag = (byte)flag.ToString()[0];
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}
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public void SetUName(string str)
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{
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StrToByteArray(this.UName, str);
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}
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public void SetGName(string str)
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{
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StrToByteArray(this.GName, str);
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}
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public static void StrToByteArray(byte[] dst, string str)
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{
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Encoding e = Str.ShiftJisEncoding;
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byte[] d = e.GetBytes(str);
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Array.Clear(dst, 0, dst.Length);
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Util.CopyByte(dst, 0, d, 0, Math.Min(d.Length, dst.Length - 1));
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}
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}
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public static class TarUtil
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{
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public static TarHeader CreateTarHeader(string name, Encoding encoding, int type, long size, DateTime dt)
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{
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return CreateTarHeader(name, encoding, type, size, dt, "0000777");
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}
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public static TarHeader CreateTarHeader(string name, Encoding encoding, int type, long size, DateTime dt, string mode)
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{
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TarHeader h = new TarHeader(false);
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h.SetName(name, encoding);
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h.SetMode(mode);
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h.SetMTime(dt);
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h.SetName(name, encoding);
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h.SetSize(size);
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h.SetTypeFlag(type);
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h.SetGID("0000000");
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h.SetUID("0000000");
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h.CalcChecksum();
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return h;
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}
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}
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public class TarPacker
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{
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Fifo fifo;
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Dictionary<string, int> dirList;
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Encoding encoding;
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public TarPacker()
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: this(Str.ShiftJisEncoding)
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{
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}
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public TarPacker(Encoding encoding)
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{
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fifo = new Fifo();
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dirList = new Dictionary<string, int>(new StrEqualityComparer(true));
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this.encoding = encoding;
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}
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public void AddDirectory(string name, DateTime dt, string mode)
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{
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name = name.Replace('\\', '/');
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if (name.EndsWith("/") == false)
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{
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name = name + "/";
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}
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if (dirList.ContainsKey(name) == false)
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{
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TarHeader h = TarUtil.CreateTarHeader(name, encoding, 5, 0, dt, mode);
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fifo.Write(Util.StructToByte(h));
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dirList.Add(name, 0);
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}
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}
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public void AddDirectory(string name, DateTime dt)
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{
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AddDirectory(name, dt, "0000777");
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}
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long currentFileSize = 0;
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long currentPos = 0;
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public void AddFileSimple(string name, byte[] data, int pos, int len, DateTime dt)
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{
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AddFileSimple(name, data, pos, len, dt, "0000777", "0000777");
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}
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public void AddFileSimple(string name, byte[] data, int pos, int len, DateTime dt, string directory_mode, string mode)
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{
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AddFileStart(name, len, dt, directory_mode, mode);
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AddFileData(data, pos, len);
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}
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public void AddFileStart(string name, long size, DateTime dt)
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{
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AddFileStart(name, size, dt, "0000777", "0000777");
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}
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public void AddFileStart(string name, long size, DateTime dt, string directory_mode, string mode)
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{
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if (currentFileSize != 0 || currentPos != 0)
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{
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throw new ApplicationException("last file not completed.");
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}
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name = name.Replace('\\', '/');
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if (Str.InStr(name, "/", true))
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{
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AddDirectory(Path.GetDirectoryName(name), dt, directory_mode);
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}
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TarHeader h = TarUtil.CreateTarHeader(name, encoding, 0, size, dt, mode);
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fifo.Write(Util.StructToByte(h));
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currentFileSize = size;
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currentPos = 0;
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}
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public void AddFileData(byte[] data, int pos, int len)
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{
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long totalSize = currentPos + len;
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if (totalSize > currentFileSize)
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{
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throw new ApplicationException("totalSize > currentFileSize");
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}
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fifo.Write(data, pos, len);
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currentPos += len;
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if (currentPos >= currentFileSize)
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{
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long padding = ((currentFileSize + 511) / 512) * 512 - currentFileSize;
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byte[] pad = new byte[padding];
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Array.Clear(pad, 0, pad.Length);
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fifo.Write(pad, 0, pad.Length);
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currentFileSize = 0;
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currentPos = 0;
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}
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}
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public Fifo GeneratedData
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{
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get
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{
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return this.fifo;
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}
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}
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public void Finish()
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{
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byte[] data = new byte[1024];
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Array.Clear(data, 0, data.Length);
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fifo.Write(data);
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}
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public byte[] CompressToGZip()
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{
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GZipPacker g = new GZipPacker();
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byte[] data = this.fifo.Read();
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g.Write(data, 0, data.Length, true);
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return g.GeneratedData.Read();
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}
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}
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}
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