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Add additional verification for OpenSSL environment variable. #850

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Merged
jhett12321 merged 1 commit into from
Nov 16, 2025
Merged

Add additional verification for OpenSSL environment variable. #850

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9 changes: 9 additions & 0 deletions NWN.Anvil/src/main/AnvilCore.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ namespace Anvil
/// </summary>
public sealed partial class AnvilCore
{
private const string ExpectedOpenSslEnvironmentValue = "1.1";
private const int ExpectedOpenSslVersion = 269488463;

private static readonly Logger Log = LogManager.GetCurrentClassLogger();
Expand Down Expand Up @@ -131,6 +132,14 @@ private void CheckOpenSslVersion()
}

Log.Info("Checking OpenSSL version. If the server crashes, see this page for troubleshooting: https://github.com/nwn-dotnet/Anvil/wiki/Troubleshooting-OpenSSL-Issues");

if (EnvironmentConfig.OpenSslVersionOverride != ExpectedOpenSslEnvironmentValue)
{
const string message = "Environment variable 'DOTNET_OPENSSL_VERSION_OVERRIDE' is not set. Please see the OpenSSL troubleshooting page for more info.";
Log.Fatal(message);
throw new Exception(message);
}

LogManager.Flush();

long version = SafeEvpPKeyHandle.OpenSslVersion;
Expand Down
19 changes: 5 additions & 14 deletions NWN.Anvil/src/main/Internal/EnvironmentConfig.cs
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Expand Up @@ -12,19 +12,18 @@ public static class EnvironmentConfig
{
private static readonly string[] VariablePrefixes = ["ANVIL_", "NWM_"];

public static readonly string? OpenSslVersionOverride = Environment.GetEnvironmentVariable("DOTNET_OPENSSL_VERSION_OVERRIDE");

public static readonly string AnvilHome = GetAnvilVariableString("HOME", "./anvil");
public static readonly string Encoding = GetAnvilVariableString("ENCODING", "windows-1252");

public static readonly LogMode LogMode = GetAnvilVariableEnum("LOG_MODE", LogMode.Default);

public static readonly bool NativePrelinkEnabled = GetAnvilVariableBool("PRELINK_ENABLED", true);
public static readonly bool PreventStartNoPlugin = GetAnvilVariableBool("PREVENT_START_NO_PLUGIN");
public static readonly bool ReloadEnabled = GetAnvilVariableBool("RELOAD_ENABLED");
public static readonly string[] AdditionalPluginPaths = GetAnvilVariableArrayString("ADD_PLUGIN_PATHS");

static EnvironmentConfig()
{
ValidateUnset("NLOG_CONFIG");
ValidateUnset("PLUGIN_PATH");
}
public static readonly string[] AdditionalPluginPaths = GetAnvilVariableArrayString("ADD_PLUGIN_PATHS");

public static bool GetIsPluginDisabled(string pluginName)
{
Expand Down Expand Up @@ -65,13 +64,5 @@ private static string[] GetAnvilVariableArrayString(string key, string[]? defaul

return value != null ? value.Split(Path.PathSeparator) : defaultValue;
}

private static void ValidateUnset(string key)
{
if (Environment.GetEnvironmentVariable(key) != null)
{
throw new Exception($"Unsupported environment variable {key}. Please see the changelog for more information.");
}
}
}
}
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