VMProtect/sdk/VMProtect.SDK/Sdk.cs
VNGhostMans 5ec92ee05e first commit
Version 3.x.x
2023-05-14 20:21:09 +07:00

459 lines
16 KiB
C#

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