459 lines
16 KiB
C#
459 lines
16 KiB
C#
using System;
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using System.Globalization;
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using System.IO;
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using System.Text;
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using System.Text.RegularExpressions;
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// ReSharper disable MemberCanBePrivate.Global
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// ReSharper disable UnusedParameter.Global
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// ReSharper disable UnusedMember.Global
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// ReSharper disable once CheckNamespace
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namespace VMProtect
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{
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/// <summary>
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/// Serial number status flags
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/// </summary>
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[Flags]
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public enum SerialState
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{
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/// <summary>
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/// No problems.
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/// </summary>
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Success = 0x00000000,
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/// <summary>
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/// Licensing module is corrupted. This may be caused by cracking attempts. Usually you will never get this flag.
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/// </summary>
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Corrupted = 0x00000001,
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/// <summary>
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/// Serial number is invalid. You will get this flag if licensing module will be unable to decrypt serial number or
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/// if the serial number is not yet set or it is empty.
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/// </summary>
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Invalid = 0x00000002,
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/// <summary>
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/// Serial number is correct, but it was blacklisted in VMProtect.
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/// </summary>
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Blacklisted = 0x00000004,
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/// <summary>
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/// Serial number is expired. You will get this flag if serial number has expiration date chunk and this date is in the past.
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/// You may read the expiration date by calling GetSerialNumberData() function.
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/// </summary>
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DateExpired = 0x00000008,
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/// <summary>
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/// Running time limit for this session is over. You may read limit value by calling GetSerialNumberData() function.
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/// </summary>
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RunningTimeOver = 0x00000010,
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/// <summary>
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/// Serial number is locked to another hardware identifier.
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/// </summary>
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BadHwid = 0x00000020,
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/// <summary>
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/// Serial number will not work with this version of application, because it has "Max Build Date" block and the application was
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/// build after those date. You may read maximal build date by calling GetSerialNumberData() function.
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/// </summary>
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MaxBuildExpired = 0x00000040,
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};
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/// <summary>
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/// Serial number contents
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/// </summary>
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public class SerialNumberData
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{
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/// <summary>
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/// Serial number status
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/// </summary>
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public SerialState State;
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/// <summary>
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/// End user name
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/// </summary>
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public string UserName;
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/// <summary>
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/// End user E-Mail
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/// </summary>
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public string EMail;
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/// <summary>
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/// Serial number expiration date.
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/// </summary>
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public DateTime Expires;
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/// <summary>
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/// Max date of build, that will accept this key
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/// </summary>
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public DateTime MaxBuild;
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/// <summary>
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/// Running time in minutes
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/// </summary>
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public int RunningTime;
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/// <summary>
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/// Up to 255 bytes of user data
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/// </summary>
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public byte[] UserData;
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public SerialNumberData()
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{
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State = SerialState.Invalid;
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Expires = DateTime.MaxValue;
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MaxBuild = DateTime.MaxValue;
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RunningTime = 0;
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UserData = new byte[0];
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UserName = "";
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EMail = "";
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}
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};
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/// <summary>
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/// Activation API status codes
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/// </summary>
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public enum ActivationStatus
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{
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/// <summary>
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/// Activation successful, the serial field contains a serial number.
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/// </summary>
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Ok,
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/// <summary>
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/// The activation module was unable to connect the Web License Manager.
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/// </summary>
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NoConnection,
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/// <summary>
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/// The server returned unexpected reply. This means configuration problems or probably a cracking attempt.
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/// </summary>
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BadReply,
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/// <summary>
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/// The activation code is blocked on the server. This doesn't mean that the number of possible activations is exceeded,
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/// this means that this exactly code is banned by the vendor, so the user is trying to cheat you.
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/// </summary>
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Banned,
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/// <summary>
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/// Something goes really wrong here. The error means that the internal activation stuff is not working,
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/// it is not safe to continue with the activation, registration and so on.
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/// </summary>
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Corrupted,
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/// <summary>
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/// The code has been successfully passed to the server and it was unable to find it in the database.
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/// Probably the user made a mistake, so it is worth asking the user to check the entered code for mistakes.
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/// </summary>
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BadCode,
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/// <summary>
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/// The code has been used too many times and cannot be used more. This doesn't mean the code is bad or banned, it is OK.
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/// The user may contact vendor to ask/purchase more activations, or the user may deactivate some installations to increase
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/// the number of activations available for that code.
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/// </summary>
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AlreadyUsed,
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/// <summary>
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/// This is the deactivation error code that means that the server can't find the serial number that the user tries to deactivate.
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/// </summary>
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SerialUnknown,
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/// <summary>
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/// The code is expired.
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/// </summary>
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Expired,
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/// <summary>
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/// Activation/deactivation features are not available.
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/// </summary>
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NotAvailable
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};
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public static class SDK
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{
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private static bool _gSerialIsCorrect;
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private static bool _gSerialIsBlacklisted;
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private static readonly Int32 GTimeOfStart = Environment.TickCount;
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private static string GetIniValue(string valueName, string defaultValue = null)
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{
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var ini = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "VMProtectLicense.ini");
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if (!File.Exists(ini))
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return defaultValue;
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var contents = File.ReadAllText(ini);
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var pattern = new Regex(@"
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^ # Beginning of the line
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((?:\[) # Section Start
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(?<Section>[^\]]*) # Actual Section text into Section Group
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(?:\]) # Section End then EOL/EOB
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(?:[\r\n]{0,}|\Z)) # Match but don't capture the CRLF or EOB
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( # Begin capture groups (Key Value Pairs)
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(?!\[) # Stop capture groups if a [ is found; new section
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(?<Key>[^=]*?) # Any text before the =, matched few as possible
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(?:=) # Get the = now
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(?<Value>[^\r\n]*) # Get everything that is not an Line Changes
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(?:[\r\n]{0,4}) # MBDC \r\n
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)+ # End Capture groups", RegexOptions.IgnorePatternWhitespace | RegexOptions.Multiline);
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var ret = defaultValue;
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foreach (Match m in pattern.Matches(contents))
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{
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var section = m.Groups["Section"].Value;
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if(section != "TestLicense")
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continue;
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var i = 0;
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foreach (Capture c in m.Groups["Key"].Captures)
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{
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if (c.Value == valueName)
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{
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ret = m.Groups["Value"].Captures[i].ToString();
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break;
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}
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i++;
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}
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break;
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}
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return ret;
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}
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private static bool GetIniDateTime(string valueName, out DateTime dt)
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{
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return DateTime.TryParseExact(GetIniValue(valueName), "yyyyMMdd", CultureInfo.InvariantCulture, DateTimeStyles.None, out dt);
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}
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private static bool GetIniTimeLimit(out int nTimeLimit)
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{
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var sTimeLimit = GetIniValue("TimeLimit");
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nTimeLimit = 0;
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if (string.IsNullOrEmpty(sTimeLimit))
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return false;
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int.TryParse(sTimeLimit, out nTimeLimit);
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if (nTimeLimit < 0)
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nTimeLimit = 0;
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else if (nTimeLimit > 255)
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nTimeLimit = 255;
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return true;
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}
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/// <summary>
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/// !!! документировать здесь и в справке
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/// </summary>
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/// <returns></returns>
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public static bool IsProtected() { return false; }
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/// <summary>
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/// Detect if the application is running in the debugger.
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/// The result of its work (True/False) can be processed by the protection mechanisms built into the application.
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/// If CheckKernelMode=False, the function checks for the user-mode debugger (OllyDBG, WinDBG, etc.).
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/// If CheckKernelMode=True, both user-mode and kernel-mode debuggers will be detected (SoftICE, Syser, etc.).
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/// </summary>
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/// <returns></returns>
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public static bool IsDebuggerPresent(bool checkKernelMode) { return System.Diagnostics.Debugger.IsAttached; }
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/// <summary>
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/// Detect if the application is running in a virtual environment: VMware, Virtual PC, VirtualBox, Sandboxie, Hyper-V.
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/// The result of its work (True/False) can be processed by the protection mechanisms built into the application.
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/// </summary>
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public static bool IsVirtualMachinePresent() { return false; }
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/// <summary>
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/// Detect changes made in the application memory. The result of its work (True/False)
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/// can be processed by the protection mechanisms built into the application.
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/// </summary>
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public static bool IsValidImageCRC() { return true; }
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/// <summary>
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/// Decrypt string constant. You have to add this constant to a list of protected objects.
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/// </summary>
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/// <param name="value">constant (not variable!) for decryption</param>
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/// <returns>decrypted string</returns>
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public static string DecryptString(string value) { return value; }
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/// Pass serial number to the licensing module
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/// </summary>
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/// <param name="serial">serial number</param>
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/// <returns>serial number state</returns>
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public static SerialState SetSerialNumber(string serial)
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{
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_gSerialIsCorrect = false;
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_gSerialIsBlacklisted = false;
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if (string.IsNullOrEmpty(serial))
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return SerialState.Invalid;
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var bufSerial = new StringBuilder(2048);
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foreach (var c in serial.ToCharArray())
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{
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if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') || c == '+' || c == '/' || c == '=')
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bufSerial.Append(c);
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}
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var iniSerial = GetIniValue("AcceptedSerialNumber", "serialnumber");
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_gSerialIsCorrect = bufSerial.ToString() == iniSerial;
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var iniBlackSerial = GetIniValue("BlackListedSerialNumber");
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_gSerialIsBlacklisted = bufSerial.ToString() == iniBlackSerial;
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return GetSerialNumberState();
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}
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/// <summary>
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/// Get current serial number state
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/// </summary>
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/// <returns>serial number state</returns>
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public static SerialState GetSerialNumberState()
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{
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if (!_gSerialIsCorrect)
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return SerialState.Invalid;
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if (_gSerialIsBlacklisted)
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return SerialState.Blacklisted;
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var res = SerialState.Success;
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int runningTime;
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if(GetIniTimeLimit(out runningTime))
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{
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int d = (Environment.TickCount - GTimeOfStart) / 1000 / 60; // minutes
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if (runningTime <= d)
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res |= SerialState.RunningTimeOver;
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}
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DateTime dt;
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if (GetIniDateTime("ExpDate", out dt)) {
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if (DateTime.Now > dt)
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res |= SerialState.DateExpired;
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}
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if (GetIniDateTime("MaxBuildDate", out dt)) {
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if (DateTime.Now > dt)
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res |= SerialState.MaxBuildExpired;
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}
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if (GetIniValue("KeyHWID") != GetIniValue("MyHWID"))
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res |= SerialState.BadHwid;
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return res;
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}
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/// <summary>
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/// Convert content of serial number to the structure
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/// </summary>
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/// <param name="data">struct to fill out</param>
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/// <returns>true (always) or exception</returns>
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public static bool GetSerialNumberData(out SerialNumberData data)
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{
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data = new SerialNumberData();
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data.State = GetSerialNumberState();
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if ((data.State & (SerialState.Invalid | SerialState.Blacklisted)) != 0)
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return true; // do not need to read the rest
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data.UserName = GetIniValue("UserName");
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data.EMail = GetIniValue("EMail");
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GetIniTimeLimit(out data.RunningTime);
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DateTime dt;
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if (GetIniDateTime("ExpDate", out dt)) {
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data.Expires = dt;
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}
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if (GetIniDateTime("MaxBuildDate", out dt)) {
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data.MaxBuild = dt;
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}
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var sUserData = GetIniValue("UserData");
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if (!string.IsNullOrEmpty(sUserData)) {
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var len = sUserData.Length;
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if (len > 0 && len % 2 == 0 && len <= 0x200) // otherwise UserData is empty or has bad length
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{
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data.UserData = new byte[len / 2];
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for (var index = 0; index < data.UserData.Length; index++)
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{
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var byteValue = sUserData.Substring(index * 2, 2);
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data.UserData[index] = byte.Parse(byteValue, NumberStyles.HexNumber, CultureInfo.InvariantCulture);
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}
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}
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}
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return true;
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}
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/// <summary>
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/// Get hardware identifier (hwid) of the current computer
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/// </summary>
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/// <returns>hwid as string</returns>
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public static string GetCurrentHWID() { return GetIniValue("MyHWID", "myhwid"); }
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/// <summary>
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/// Passes the activation code to the server for online activation and returns the serial number for that exactly installation.
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/// </summary>
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/// <param name="code">activation code, in</param>
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/// <param name="serial">serial number, out</param>
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/// <returns>activation status</returns>
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public static ActivationStatus ActivateLicense(string code, out string serial)
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{
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serial = "";
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if (code != GetIniValue("AcceptedActivationCode", "activationcode"))
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return ActivationStatus.BadCode;
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serial = GetIniValue("AcceptedSerialNumber", "serialnumber");
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return ActivationStatus.Ok;
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}
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/// <summary>
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/// Passes the serial number to the server for online deactivation.
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/// </summary>
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/// <param name="serial">contains the serial number (not the code) obtained from the server during the activation process</param>
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/// <returns>deactivation status</returns>
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public static ActivationStatus DeactivateLicense(string serial) { return ActivationStatus.Ok; }
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/// <summary>
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/// Same as ActivateLicense, but don't trying to connect the server. Instead, it returns a "magic" string that needs to be copy-pasted
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/// to the web browser, showing the Web License Manager offline activation page.
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/// </summary>
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/// <param name="code">activation code, in</param>
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/// <param name="buf">magic offline activation string, out</param>
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/// <returns>operation status</returns>
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public static ActivationStatus GetOfflineActivationString(string code, out string buf)
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{
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buf = "Sdk OfflineActivationString";
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return ActivationStatus.Ok;
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}
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/// <summary>
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/// Same as DeactivateLicense, but don't trying to connect the server. Instead, it returns a "magic" string that needs to be copy-pasted
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/// to the web browser, showing the Web License Manager offline deactivation page.
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/// </summary>
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/// <param name="serial">contains the serial number (not the code) obtained from the server during the activation process, in</param>
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/// <param name="buf">magic offline deactivation string, out</param>
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/// <returns>operation status</returns>
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public static ActivationStatus GetOfflineDeactivationString(string serial, out string buf)
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{
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buf = "Sdk GetOfflineDeactivationString";
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return ActivationStatus.Ok;
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}
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}
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/// <summary>
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/// The marker that starts the protected section of the code, must be called before the first instruction
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/// (calling a procedure or function) in the protected block of the code.
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/// </summary>
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[AttributeUsage(AttributeTargets.Method)]
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public sealed class Begin : Attribute { }
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/// <summary>
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/// The marker that starts the protected section of the code with the predefined "virtualization" compilation type.
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/// It is impossible to change the compilation type specified by the marker later in VMPotect.
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/// </summary>
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[AttributeUsage(AttributeTargets.Method)]
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public sealed class BeginVirtualization : Attribute { }
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/// <summary>
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/// The marker that starts the protected section of the code with the predefined "mutation" compilation type.
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/// It is impossible to change the compilation type specified by the marker later in VMPotect.
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/// </summary>
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[AttributeUsage(AttributeTargets.Method)]
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public sealed class BeginMutation : Attribute { }
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/// <summary>
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/// The marker that starts the protected section of the code with the predefined "ultra" (mutation + virtualization) compilation type.
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/// It is impossible to change the compilation type specified by the marker later in VMPotect.
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/// </summary>
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[AttributeUsage(AttributeTargets.Method)]
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public sealed class BeginUltra : Attribute { }
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/// <summary>
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/// The marker that starts the protected section of the code with the predefined "virtualization" compilation type
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/// and the option "Lock to key". It is impossible to change the compilation type specified by the marker later in VMPotect.
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/// </summary>
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[AttributeUsage(AttributeTargets.Method)]
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public sealed class BeginVirtualizationLockByKey : Attribute { }
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/// <summary>
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/// The marker that starts the protected section of the code with the predefined "ultra" (mutation + virtualization) compilation type
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/// and the option "Lock to key". It is impossible to change the compilation type specified by the marker later in VMPotect.
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/// </summary>
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[AttributeUsage(AttributeTargets.Method)]
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public sealed class BeginUltraLockByKey : Attribute { }
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} |