softether-vpn/src/BuildUtil/CoreUtil/ReadIni.cs

322 lines
8.8 KiB
C#

// CoreUtil
//
// Copyright (C) 2012-2014 Daiyuu Nobori. All Rights Reserved.
// Copyright (C) 2012-2014 SoftEther VPN Project at University of Tsukuba. All Rights Reserved.
//
// License: The Apache License, Version 2.0
// https://www.apache.org/licenses/LICENSE-2.0
//
// DISCLAIMER
// ==========
//
// 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.
//
// 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 THIS SOFTWARE IN ANOTHER COUNTRY UNLESS YOU HAVE
// A CONFIRMATION THAT THIS SOFTWARE DOES NOT VIOLATE ANY CRIMINAL LAWS OR CIVIL
// RIGHTS IN THAT PARTICULAR COUNTRY. USING THIS SOFTWARE IN OTHER COUNTRIES IS
// COMPLETELY AT YOUR OWN RISK. THE SOFTETHER VPN PROJECT HAS DEVELOPED AND
// DISTRIBUTED THIS SOFTWARE TO COMPLY ONLY WITH THE JAPANESE LAWS AND EXISTING
// CIVIL RIGHTS INCLUDING PATENTS WHICH ARE SUBJECTS APPLY IN JAPAN. OTHER
// COUNTRIES' LAWS OR CIVIL RIGHTS ARE NONE OF OUR CONCERNS NOR RESPONSIBILITIES.
// WE HAVE NEVER INVESTIGATED ANY CRIMINAL REGULATIONS, CIVIL LAWS OR
// INTELLECTUAL PROPERTY RIGHTS INCLUDING PATENTS IN ANY OF OTHER 200+ COUNTRIES
// AND TERRITORIES. BY NATURE, THERE ARE 200+ REGIONS IN THE WORLD, WITH
// DIFFERENT LAWS. IT IS IMPOSSIBLE TO VERIFY EVERY COUNTRIES' LAWS, REGULATIONS
// AND CIVIL RIGHTS TO MAKE THE SOFTWARE COMPLY WITH ALL COUNTRIES' LAWS BY THE
// PROJECT. EVEN IF YOU WILL BE SUED BY A PRIVATE ENTITY OR BE DAMAGED BY A
// PUBLIC SERVANT IN YOUR COUNTRY, THE DEVELOPERS OF THIS SOFTWARE WILL NEVER BE
// LIABLE TO RECOVER OR COMPENSATE SUCH DAMAGES, CRIMINAL OR CIVIL
// RESPONSIBILITIES. NOTE THAT THIS LINE IS NOT LICENSE RESTRICTION BUT JUST A
// STATEMENT FOR WARNING AND DISCLAIMER.
//
// READ AND UNDERSTAND THE 'WARNING.TXT' FILE BEFORE USING THIS SOFTWARE.
// SOME SOFTWARE PROGRAMS FROM THIRD PARTIES ARE INCLUDED ON THIS SOFTWARE WITH
// LICENSE CONDITIONS WHICH ARE DESCRIBED ON THE 'THIRD_PARTY.TXT' FILE.
//
//
// SOURCE CODE CONTRIBUTION
// ------------------------
//
// Your contribution to SoftEther VPN Project is much appreciated.
// Please send patches to us through GitHub.
// Read the SoftEther VPN Patch Acceptance Policy in advance:
// http://www.softether.org/5-download/src/9.patch
//
//
// 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.
//
//
// NO MEMORY OR RESOURCE LEAKS
// ---------------------------
//
// The memory-leaks and resource-leaks verification under the stress
// test has been passed before release this source code.
using System;
using System.Threading;
using System.Data;
using System.Data.Sql;
using System.Data.SqlClient;
using System.Data.SqlTypes;
using System.Text;
using System.Configuration;
using System.Collections;
using System.Collections.Generic;
using System.Security.Cryptography;
using System.Security.Cryptography.X509Certificates;
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.Web.Mail;
namespace CoreUtil
{
class IniCache
{
static Dictionary<string, IniCacheEntry> caches = new Dictionary<string, IniCacheEntry>();
class IniCacheEntry
{
DateTime lastUpdate;
public DateTime LastUpdate
{
get { return lastUpdate; }
}
Dictionary<string, string> datas;
public Dictionary<string, string> Datas
{
get { return datas; }
}
public IniCacheEntry(DateTime lastUpdate, Dictionary<string, string> datas)
{
this.lastUpdate = lastUpdate;
this.datas = datas;
}
}
public static Dictionary<string, string> GetCache(string filename, DateTime lastUpdate)
{
lock (caches)
{
try
{
IniCacheEntry e = caches[filename];
if (e.LastUpdate == lastUpdate || lastUpdate.Ticks == 0)
{
return e.Datas;
}
else
{
return null;
}
}
catch
{
return null;
}
}
}
public static void AddCache(string filename, DateTime lastUpdate, Dictionary<string, string> datas)
{
lock (caches)
{
if (caches.ContainsKey(filename))
{
caches.Remove(filename);
}
caches.Add(filename, new IniCacheEntry(lastUpdate, datas));
}
}
}
public class ReadIni
{
Dictionary<string, string> datas;
bool updated;
public bool Updated
{
get
{
return updated;
}
}
public StrData this[string key]
{
get
{
string s;
try
{
s = datas[key.ToUpper()];
}
catch
{
s = null;
}
return new StrData(s);
}
}
public string[] GetKeys()
{
List<string> ret = new List<string>();
foreach (string s in datas.Keys)
{
ret.Add(s);
}
return ret.ToArray();
}
public ReadIni(string filename)
{
init(null, filename);
}
void init(byte[] data)
{
init(data, null);
}
void init(byte[] data, string filename)
{
updated = false;
lock (typeof(ReadIni))
{
string[] lines;
string srcstr;
DateTime lastUpdate = new DateTime(0);
if (filename != null)
{
lastUpdate = IO.GetLastWriteTimeUtc(filename);
datas = IniCache.GetCache(filename, lastUpdate);
}
if (datas == null)
{
if (data == null)
{
try
{
data = Buf.ReadFromFile(filename).ByteData;
}
catch
{
data = new byte[0];
datas = IniCache.GetCache(filename, new DateTime());
}
}
if (datas == null)
{
datas = new Dictionary<string, string>();
Encoding currentEncoding = Str.Utf8Encoding;
srcstr = currentEncoding.GetString(data);
lines = Str.GetLines(srcstr);
foreach (string s in lines)
{
string line = s.Trim();
if (Str.IsEmptyStr(line) == false)
{
if (line.StartsWith("#") == false &&
line.StartsWith("//") == false &&
line.StartsWith(";") == false)
{
string key, value;
if (Str.GetKeyAndValue(line, out key, out value))
{
key = key.ToUpper();
if (datas.ContainsKey(key) == false)
{
datas.Add(key, value);
}
else
{
int i;
for (i = 1; ; i++)
{
string key2 = string.Format("{0}({1})", key, i).ToUpper();
if (datas.ContainsKey(key2) == false)
{
datas.Add(key2, value);
break;
}
}
}
}
}
}
}
if (filename != null)
{
IniCache.AddCache(filename, lastUpdate, datas);
}
updated = true;
}
}
}
}
}
}