/// <summary>
/// The principal constructor that most hosts will use when creating
/// an instance of the automation engine. It allows you to pass in an
/// instance of PSHost that provides the host-specific I/O routines, etc.
/// </summary>
internal AutomationEngine(PSHost hostInterface, RunspaceConfiguration runspaceConfiguration, InitialSessionState iss)
{
#if !CORECLR// There is no control panel items in CSS
// Update the env variable PathEXT to contain .CPL
var pathext = Environment.GetEnvironmentVariable("PathEXT");
pathext = pathext ?? string.Empty;
bool cplExist = false;
if (pathext != string.Empty)
{
string[] entries = pathext.Split(Utils.Separators.Semicolon);
foreach (string entry in entries)
{
string ext = entry.Trim();
if (ext.Equals(".CPL", StringComparison.OrdinalIgnoreCase))
{
cplExist = true;
break;
}
}
}
if (!cplExist)
{
pathext = (pathext == string.Empty) ? ".CPL" :
pathext.EndsWith(";", StringComparison.OrdinalIgnoreCase)
? (pathext + ".CPL") : (pathext + ";.CPL");
Environment.SetEnvironmentVariable("PathEXT", pathext);
}
#endif
if (runspaceConfiguration != null)
{
Context = new ExecutionContext(this, hostInterface, runspaceConfiguration);
}
else
{
Context = new ExecutionContext(this, hostInterface, iss);
}
EngineParser = new Language.Parser();
CommandDiscovery = new CommandDiscovery(Context);
// Initialize providers before loading types so that any ScriptBlocks in the
// types.ps1xml file can be parsed.
// Bind the execution context with RunspaceConfiguration.
// This has the side effect of initializing cmdlet cache and providers from runspace configuration.
if (runspaceConfiguration != null)
{
runspaceConfiguration.Bind(Context);
}
else
{
// Load the iss, resetting everything to it's defaults...
iss.Bind(Context, /*updateOnly*/ false);
}
InitialSessionState.SetSessionStateDrive(Context, true);
InitialSessionState.CreateQuestionVariable(Context);
}
/// <summary>
/// Validates the external script info
/// </summary>
///
/// <param name="host"></param>
///
public void ValidateScriptInfo(Host.PSHost host)
{
if (!_signatureChecked)
{
ExecutionContext context = Context ?? LocalPipeline.GetExecutionContextFromTLS();
ReadScriptContents();
// We have no way to check the signature w/o context because we don't have
// an AuthorizationManager. This can happen during initialization when trying
// to get the CommandMetadata for a script (either to prepopulate the metadata
// or creating a proxy). If context can be null under any other circumstances,
// we need to make sure it's acceptable if the parser is invoked on unsigned scripts.
if (context != null)
{
CommandDiscovery.ShouldRun(context, host, this, CommandOrigin.Internal);
_signatureChecked = true;
}
}
}
/// <summary>
/// The principal constructor that most hosts will use when creating
/// an instance of the automation engine. It allows you to pass in an
/// instance of PSHost that provides the host-specific I/O routines, etc.
/// </summary>
internal AutomationEngine(PSHost hostInterface, InitialSessionState iss)
{
#if !UNIX
// Update the env variable PathEXT to contain .CPL
var pathext = Environment.GetEnvironmentVariable("PathEXT");
pathext = pathext ?? string.Empty;
bool cplExist = false;
if (pathext != string.Empty)
{
string[] entries = pathext.Split(Utils.Separators.Semicolon);
foreach (string entry in entries)
{
string ext = entry.Trim();
if (ext.Equals(".CPL", StringComparison.OrdinalIgnoreCase))
{
cplExist = true;
break;
}
}
}
if (!cplExist)
{
pathext = (pathext == string.Empty) ? ".CPL" :
pathext.EndsWith(";", StringComparison.OrdinalIgnoreCase)
? (pathext + ".CPL") : (pathext + ";.CPL");
Environment.SetEnvironmentVariable("PathEXT", pathext);
}
#endif
Context = new ExecutionContext(this, hostInterface, iss);
EngineParser = new Language.Parser();
CommandDiscovery = new CommandDiscovery(Context);
// Load the iss, resetting everything to it's defaults...
iss.Bind(Context, /*updateOnly*/ false);
InitialSessionState.SetSessionStateDrive(Context, true);
}
internal string GetDefaultShellSearchPath()
{
string shellId = this.HelpSystem.ExecutionContext.ShellID;
string pathFromRegistry = CommandDiscovery.GetShellPathFromRegistry(shellId);
string directoryName;
if (pathFromRegistry == null)
{
directoryName = Path.GetDirectoryName(PsUtils.GetMainModule(Process.GetCurrentProcess()).FileName);
this.HelpSystem.LastErrors.Add(new ErrorRecord((Exception)HelpProvider.tracer.NewArgumentException("DefaultSearchPath", "HelpErrors", "RegistryPathNotFound", (object)Utils.GetRegistryConfigurationPath(shellId), (object)"\\Path", (object)directoryName), "LoadHelpFileForTargetFailed", ErrorCategory.OpenError, (object)null));
}
else
{
directoryName = Path.GetDirectoryName(pathFromRegistry);
if (!Directory.Exists(directoryName))
{
directoryName = Path.GetDirectoryName(PsUtils.GetMainModule(Process.GetCurrentProcess()).FileName);
this.HelpSystem.LastErrors.Add(new ErrorRecord((Exception)HelpProvider.tracer.NewArgumentException("DefaultSearchPath", "HelpErrors", "RegistryPathNotFound", (object)Utils.GetRegistryConfigurationPath(shellId), (object)"\\Path", (object)"\\Path", (object)directoryName), "LoadHelpFileForTargetFailed", ErrorCategory.OpenError, (object)null));
}
}
return(directoryName);
}
/// <summary>
/// Each Shell ( minishell ) will have its own path specified by the
/// registry HKLM\software\microsoft\msh\1\ShellIds\<ShellID>\path. Every help
/// provider should search this path for content.
/// </summary>
/// <returns>string representing base directory of the executing shell.</returns>
internal string GetDefaultShellSearchPath()
{
string shellID = this.HelpSystem.ExecutionContext.ShellID;
string returnValue = CommandDiscovery.GetShellPathFromRegistry(shellID);
if (returnValue == null)
{
// use executing assemblies location in case registry entry not found
returnValue = Path.GetDirectoryName(PsUtils.GetMainModule(System.Diagnostics.Process.GetCurrentProcess()).FileName);
}
else
{
// Get the directory path of the executing shell
returnValue = Path.GetDirectoryName(returnValue);
if (!Directory.Exists(returnValue))
{
// use executing assemblies location in case registry entry not found
returnValue = Path.GetDirectoryName(PsUtils.GetMainModule(System.Diagnostics.Process.GetCurrentProcess()).FileName);
}
}
return(returnValue);
}
private CommandProcessorBase CreateCommandProcessor(
out int index,
ExecutionContext context)
{
index = 0;
CommandProcessorBase commandProcessorBase = (CommandProcessorBase)null;
if (this._expression != null)
{
return((CommandProcessorBase) new ScriptCommandProcessor(ScriptBlock.CreateSynthesized(this._expression, this.NodeToken), context, false));
}
bool createScope;
SessionStateInternal commandSessionState;
bool forceSessionState;
object commandName = this.GetCommandName(out createScope, out index, out commandSessionState, out forceSessionState, context);
switch (commandName)
{
case ScriptBlock scriptblock:
commandProcessorBase = CommandDiscovery.CreateCommandProcessorForScript(scriptblock, context, createScope);
if (commandProcessorBase.CommandSessionState == null || forceSessionState)
{
commandProcessorBase.CommandSessionState = commandSessionState;
break;
}
break;
case CommandInfo commandInfo:
commandProcessorBase = context.CommandDiscovery.LookupCommandProcessor(commandInfo, context.EngineSessionState.currentScope.ScopeOrigin, new bool?(false));
break;
case string stringParser:
label_7:
if (string.IsNullOrEmpty(stringParser))
{
throw InterpreterError.NewInterpreterException(commandName, typeof(RuntimeException), (Token)this._elements[0], "BadExpression", (object)((Token)this._elements[0]).TokenText);
}
try
{
if (commandSessionState != context.EngineSessionState)
{
SessionStateInternal engineSessionState = context.EngineSessionState;
try
{
context.EngineSessionState = commandSessionState;
commandProcessorBase = context.CreateCommand(stringParser);
break;
}
finally
{
context.EngineSessionState = engineSessionState;
}
}
else
{
commandProcessorBase = context.CreateCommand(stringParser);
break;
}
}
catch (ParseException ex)
{
throw;
}
catch (RuntimeException ex)
{
if (ex.ErrorRecord.InvocationInfo == null)
{
ex.ErrorRecord.SetInvocationInfo(new InvocationInfo((CommandInfo)null, (Token)this._elements[0], context));
}
throw;
}
default:
stringParser = PSObject.ToStringParser(context, commandName);
goto label_7;
}
if (commandProcessorBase.CommandSessionState == null || forceSessionState)
{
commandProcessorBase.CommandSessionState = commandSessionState;
}
InternalCommand command = commandProcessorBase.Command;
command.MyInvocation.ScriptToken = (Token)this._elements[0];
if (context.IsStrictVersion(2) && this._elements.Count == index + 1 && (this._elements[index - 1] is Token && this._elements[index] is ArrayLiteralNode))
{
Token element = (Token)this._elements[index - 1];
if (element.Script[element.End] == '(')
{
throw InterpreterError.NewInterpreterException((object)null, typeof(RuntimeException), (Token)this._elements[index - 1], "StrictModeFunctionCallWithParens");
}
}
if (createScope)
{
switch (command)
{
case ScriptCommand _:
case PSScriptCmdlet _:
commandProcessorBase.UseLocalScope = true;
commandProcessorBase.CommandScope = commandProcessorBase.CommandSessionState == null?context.EngineSessionState.NewScope(commandProcessorBase.FromScriptFile) : commandProcessorBase.CommandSessionState.NewScope(commandProcessorBase.FromScriptFile);
goto label_27;
}
}
commandProcessorBase.UseLocalScope = false;
commandProcessorBase.CommandScope = commandProcessorBase.CommandSessionState.CurrentScope;
label_27:
commandProcessorBase.Command.CallingToken = (Token)this._elements[0];
return(commandProcessorBase);
}
private static CommandProcessorBase AddCommand(PipelineProcessor pipe, CommandParameterInternal[] commandElements, CommandBaseAst commandBaseAst, CommandRedirection[] redirections, System.Management.Automation.ExecutionContext context)
{
object parameterText;
IScriptExtent parameterExtent;
CommandProcessorBase base2;
InternalCommand command;
string str3;
HelpCategory category;
CommandAst ast = commandBaseAst as CommandAst;
TokenKind kind = (ast != null) ? ast.InvocationOperator : TokenKind.Unknown;
bool dotSource = kind == TokenKind.Dot;
SessionStateInternal sessionState = null;
int index = 0;
PSModuleInfo info = PSObject.Base(commandElements[0].ArgumentValue) as PSModuleInfo;
if (info != null)
{
if ((info.ModuleType == ModuleType.Binary) && (info.SessionState == null))
{
throw InterpreterError.NewInterpreterException(null, typeof(RuntimeException), null, "CantInvokeInBinaryModule", ParserStrings.CantInvokeInBinaryModule, new object[] { info.Name });
}
if (info.SessionState == null)
{
throw InterpreterError.NewInterpreterException(null, typeof(RuntimeException), null, "CantInvokeInNonImportedModule", ParserStrings.CantInvokeInNonImportedModule, new object[] { info.Name });
}
sessionState = info.SessionState.Internal;
index++;
}
CommandParameterInternal internal3 = commandElements[index];
if (internal3.ParameterNameSpecified)
{
parameterText = internal3.ParameterText;
parameterExtent = internal3.ParameterExtent;
if (!internal3.ArgumentSpecified)
{
}
}
else
{
parameterText = PSObject.Base(internal3.ArgumentValue);
parameterExtent = internal3.ArgumentExtent;
}
string str = dotSource ? "." : ((kind == TokenKind.Ampersand) ? "&" : null);
ScriptBlock scriptblock = parameterText as ScriptBlock;
if (scriptblock != null)
{
base2 = CommandDiscovery.CreateCommandProcessorForScript(scriptblock, context, !dotSource, sessionState);
}
else
{
CommandInfo commandInfo = parameterText as CommandInfo;
if (commandInfo != null)
{
base2 = context.CommandDiscovery.LookupCommandProcessor(commandInfo, context.EngineSessionState.CurrentScope.ScopeOrigin, new bool?(!dotSource), sessionState);
}
else
{
string str2 = (parameterText as string) ?? PSObject.ToStringParser(context, parameterText);
str = str ?? str2;
if (string.IsNullOrEmpty(str2))
{
throw InterpreterError.NewInterpreterException(parameterText, typeof(RuntimeException), parameterExtent, "BadExpression", ParserStrings.BadExpression, new object[] { dotSource ? "." : "&" });
}
try
{
if (sessionState != null)
{
SessionStateInternal engineSessionState = context.EngineSessionState;
try
{
context.EngineSessionState = sessionState;
base2 = context.CreateCommand(str2, dotSource);
goto Label_025D;
}
finally
{
context.EngineSessionState = engineSessionState;
}
}
base2 = context.CreateCommand(str2, dotSource);
}
catch (RuntimeException exception)
{
if (exception.ErrorRecord.InvocationInfo == null)
{
InvocationInfo invocationInfo = new InvocationInfo(null, parameterExtent, context)
{
InvocationName = str
};
exception.ErrorRecord.SetInvocationInfo(invocationInfo);
}
throw;
}
}
}
Label_025D:
command = base2.Command;
base2.UseLocalScope = !dotSource && ((command is ScriptCommand) || (command is PSScriptCmdlet));
bool flag2 = base2 is NativeCommandProcessor;
for (int i = index + 1; i < commandElements.Length; i++)
{
CommandParameterInternal parameter = commandElements[i];
if ((!parameter.ParameterNameSpecified || !parameter.ParameterName.Equals("-", StringComparison.OrdinalIgnoreCase)) || flag2)
{
if (parameter.ArgumentSplatted)
{
foreach (CommandParameterInternal internal6 in Splat(parameter.ArgumentValue, parameter.ArgumentExtent))
{
base2.AddParameter(internal6);
}
}
else
{
base2.AddParameter(parameter);
}
}
}
if (base2.IsHelpRequested(out str3, out category))
{
base2 = CommandProcessorBase.CreateGetHelpCommandProcessor(context, str3, category);
}
base2.Command.InvocationExtent = commandBaseAst.Extent;
base2.Command.MyInvocation.ScriptPosition = commandBaseAst.Extent;
base2.Command.MyInvocation.InvocationName = str;
pipe.Add(base2);
bool flag3 = false;
bool flag4 = false;
bool flag5 = false;
bool flag6 = false;
if (redirections != null)
{
foreach (CommandRedirection redirection in redirections)
{
redirection.Bind(pipe, base2, context);
switch (redirection.FromStream)
{
case RedirectionStream.All:
flag3 = true;
flag4 = true;
flag5 = true;
flag6 = true;
break;
case RedirectionStream.Error:
flag3 = true;
break;
case RedirectionStream.Warning:
flag4 = true;
break;
case RedirectionStream.Verbose:
flag5 = true;
break;
case RedirectionStream.Debug:
flag6 = true;
break;
}
}
}
if (!flag3)
{
if (context.ShellFunctionErrorOutputPipe != null)
{
base2.CommandRuntime.ErrorOutputPipe = context.ShellFunctionErrorOutputPipe;
}
else
{
base2.CommandRuntime.ErrorOutputPipe.ExternalWriter = context.ExternalErrorOutput;
}
}
if (!flag4 && (context.ExpressionWarningOutputPipe != null))
{
base2.CommandRuntime.WarningOutputPipe = context.ExpressionWarningOutputPipe;
flag4 = true;
}
if (!flag5 && (context.ExpressionVerboseOutputPipe != null))
{
base2.CommandRuntime.VerboseOutputPipe = context.ExpressionVerboseOutputPipe;
flag5 = true;
}
if (!flag6 && (context.ExpressionDebugOutputPipe != null))
{
base2.CommandRuntime.DebugOutputPipe = context.ExpressionDebugOutputPipe;
flag6 = true;
}
if ((context.CurrentCommandProcessor != null) && (context.CurrentCommandProcessor.CommandRuntime != null))
{
if (!flag4 && (context.CurrentCommandProcessor.CommandRuntime.WarningOutputPipe != null))
{
base2.CommandRuntime.WarningOutputPipe = context.CurrentCommandProcessor.CommandRuntime.WarningOutputPipe;
}
if (!flag5 && (context.CurrentCommandProcessor.CommandRuntime.VerboseOutputPipe != null))
{
base2.CommandRuntime.VerboseOutputPipe = context.CurrentCommandProcessor.CommandRuntime.VerboseOutputPipe;
}
if (!flag6 && (context.CurrentCommandProcessor.CommandRuntime.DebugOutputPipe != null))
{
base2.CommandRuntime.DebugOutputPipe = context.CurrentCommandProcessor.CommandRuntime.DebugOutputPipe;
}
}
return(base2);
}
private void HandleRunspaceCreated(object sender, RunspaceCreatedEventArgs args)
{
bool flag = false;
if (SystemPolicy.GetSystemLockdownPolicy() == SystemEnforcementMode.Enforce)
{
args.Runspace.ExecutionContext.LanguageMode = PSLanguageMode.ConstrainedLanguage;
flag = true;
}
try
{
string folderPath = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
args.Runspace.ExecutionContext.EngineSessionState.SetLocation(folderPath);
}
catch (ArgumentException)
{
}
catch (ProviderNotFoundException)
{
}
catch (DriveNotFoundException)
{
}
catch (ProviderInvocationException)
{
}
if (this.configHash != null)
{
if (this.configHash.ContainsKey(ConfigFileContants.EnvironmentVariables))
{
Hashtable hashtable = this.configHash[ConfigFileContants.EnvironmentVariables] as Hashtable;
if (hashtable != null)
{
foreach (DictionaryEntry entry in hashtable)
{
string introduced76 = entry.Key.ToString();
this.InvokeScript(new Command(StringUtil.Format("$env:{0} = \"{1}\"", introduced76, entry.Value.ToString()), true, false), args);
}
}
}
if (this.configHash.ContainsKey(ConfigFileContants.VariableDefinitions))
{
Hashtable[] hashtableArray = DISCPowerShellConfiguration.TryGetHashtableArray(this.configHash[ConfigFileContants.VariableDefinitions]);
if (hashtableArray != null)
{
foreach (Hashtable hashtable2 in hashtableArray)
{
if (hashtable2.ContainsKey(ConfigFileContants.VariableValueToken))
{
string str2 = DISCPowerShellConfiguration.TryGetValue(hashtable2, ConfigFileContants.VariableNameToken);
ScriptBlock block = hashtable2[ConfigFileContants.VariableValueToken] as ScriptBlock;
if (!string.IsNullOrEmpty(str2) && (block != null))
{
block.SessionStateInternal = args.Runspace.ExecutionContext.EngineSessionState;
PowerShell powershell = PowerShell.Create();
powershell.AddCommand(new Command("Invoke-Command")).AddParameter("ScriptBlock", block).AddParameter("NoNewScope");
powershell.AddCommand(new Command("Set-Variable")).AddParameter("Name", str2);
this.InvokePowerShell(powershell, args);
}
}
}
}
}
if (this.configHash.ContainsKey(ConfigFileContants.ScriptsToProcess))
{
string[] strArray = DISCPowerShellConfiguration.TryGetStringArray(this.configHash[ConfigFileContants.ScriptsToProcess]);
if (strArray != null)
{
foreach (string str3 in strArray)
{
if (!string.IsNullOrEmpty(str3))
{
this.InvokeScript(new Command(str3, true, false), args);
}
}
}
}
bool flag2 = false;
if (this.configHash.ContainsKey(ConfigFileContants.VisibleAliases))
{
string[] strArray2 = DISCPowerShellConfiguration.TryGetStringArray(this.configHash[ConfigFileContants.VisibleAliases]);
if (strArray2 != null)
{
flag2 = true;
foreach (KeyValuePair <string, AliasInfo> pair in args.Runspace.ExecutionContext.EngineSessionState.GetAliasTable())
{
bool flag3 = false;
foreach (string str4 in strArray2)
{
if (!string.IsNullOrEmpty(str4))
{
IEnumerable <WildcardPattern> patternList = this.CreateKeyPatternList(str4);
if (this.MatchKeyPattern(patternList, pair.Key))
{
pair.Value.Visibility = SessionStateEntryVisibility.Public;
flag3 = true;
}
}
}
if (!flag3)
{
pair.Value.Visibility = SessionStateEntryVisibility.Private;
}
}
}
}
if (this.configHash.ContainsKey(ConfigFileContants.VisibleCmdlets))
{
string[] strArray3 = DISCPowerShellConfiguration.TryGetStringArray(this.configHash[ConfigFileContants.VisibleCmdlets]);
if (strArray3 != null)
{
flag2 = true;
foreach (KeyValuePair <string, List <CmdletInfo> > pair2 in args.Runspace.ExecutionContext.EngineSessionState.GetCmdletTable())
{
bool flag4 = false;
foreach (string str5 in strArray3)
{
if (!string.IsNullOrEmpty(str5))
{
IEnumerable <WildcardPattern> enumerable2 = this.CreateKeyPatternList(str5);
if (this.MatchKeyPattern(enumerable2, pair2.Key))
{
foreach (CmdletInfo info in pair2.Value)
{
info.Visibility = SessionStateEntryVisibility.Public;
flag4 = true;
}
}
}
}
if (!flag4)
{
foreach (CmdletInfo info2 in pair2.Value)
{
info2.Visibility = SessionStateEntryVisibility.Private;
}
}
}
}
}
List <string> list = new List <string>();
bool flag5 = false;
if (this.configHash.ContainsKey(ConfigFileContants.VisibleFunctions))
{
string[] strArray4 = DISCPowerShellConfiguration.TryGetStringArray(this.configHash[ConfigFileContants.VisibleFunctions]);
if (strArray4 != null)
{
flag2 = true;
flag5 = true;
list.AddRange(strArray4);
}
}
if (!flag5 && this.configHash.ContainsKey(ConfigFileContants.FunctionDefinitions))
{
Hashtable[] hashtableArray2 = DISCPowerShellConfiguration.TryGetHashtableArray(this.configHash[ConfigFileContants.FunctionDefinitions]);
if (hashtableArray2 != null)
{
foreach (Hashtable hashtable3 in hashtableArray2)
{
string str6 = DISCPowerShellConfiguration.TryGetValue(hashtable3, ConfigFileContants.FunctionNameToken);
if (!string.IsNullOrEmpty(str6))
{
list.Add(str6);
}
}
}
}
string str7 = DISCPowerShellConfiguration.TryGetValue(this.configHash, ConfigFileContants.SessionType);
if (!string.IsNullOrEmpty(str7))
{
SessionType type = (SessionType)Enum.Parse(typeof(SessionType), str7, true);
if (type == SessionType.RestrictedRemoteServer)
{
list.Add("Get-Command");
list.Add("Get-FormatData");
list.Add("Select-Object");
list.Add("Get-Help");
list.Add("Measure-Object");
list.Add("Out-Default");
list.Add("Exit-PSSession");
}
}
if (list.Count > 0)
{
foreach (DictionaryEntry entry2 in args.Runspace.ExecutionContext.EngineSessionState.GetFunctionTable())
{
bool flag6 = false;
string key = entry2.Key.ToString();
FunctionInfo info3 = entry2.Value as FunctionInfo;
if (info3 != null)
{
foreach (string str9 in list)
{
if (!string.IsNullOrEmpty(str9))
{
IEnumerable <WildcardPattern> enumerable3 = this.CreateKeyPatternList(str9);
if (this.MatchKeyPattern(enumerable3, key))
{
info3.Visibility = SessionStateEntryVisibility.Public;
flag6 = true;
}
}
}
if (!flag6 && flag5)
{
info3.Visibility = SessionStateEntryVisibility.Private;
}
}
}
}
if (this.configHash.ContainsKey(ConfigFileContants.VisibleProviders))
{
string[] strArray5 = DISCPowerShellConfiguration.TryGetStringArray(this.configHash[ConfigFileContants.VisibleProviders]);
if (strArray5 != null)
{
flag2 = true;
IDictionary <string, List <ProviderInfo> > providers = args.Runspace.ExecutionContext.EngineSessionState.Providers;
Collection <string> collection = new Collection <string>();
foreach (KeyValuePair <string, List <ProviderInfo> > pair3 in providers)
{
bool flag7 = false;
foreach (string str10 in strArray5)
{
if (!string.IsNullOrEmpty(str10))
{
IEnumerable <WildcardPattern> enumerable4 = this.CreateKeyPatternList(str10);
if (this.MatchKeyPattern(enumerable4, pair3.Key))
{
flag7 = true;
}
}
}
if (!flag7)
{
collection.Add(pair3.Key);
}
}
foreach (string str11 in collection)
{
args.Runspace.ExecutionContext.EngineSessionState.Providers.Remove(str11);
}
}
}
if (flag2)
{
CmdletInfo cmdlet = args.Runspace.ExecutionContext.SessionState.InvokeCommand.GetCmdlet(@"Microsoft.PowerShell.Core\Import-Module");
IDictionary <string, AliasInfo> aliasTable = args.Runspace.ExecutionContext.EngineSessionState.GetAliasTable();
PSModuleAutoLoadingPreference preference = CommandDiscovery.GetCommandDiscoveryPreference(args.Runspace.ExecutionContext, SpecialVariables.PSModuleAutoLoadingPreferenceVarPath, "PSModuleAutoLoadingPreference");
bool flag8 = (cmdlet != null) && (cmdlet.Visibility != SessionStateEntryVisibility.Private);
bool flag9 = ((aliasTable != null) && aliasTable.ContainsKey("ipmo")) && (aliasTable["ipmo"].Visibility != SessionStateEntryVisibility.Private);
if ((flag8 || flag9) && (preference == PSModuleAutoLoadingPreference.None))
{
throw new PSInvalidOperationException(StringUtil.Format(RemotingErrorIdStrings.DISCVisibilityAndAutoLoadingCannotBeBothSpecified, new object[] { "Import-Module", "ipmo", ConfigFileContants.VisibleCmdlets, ConfigFileContants.VisibleAliases, ConfigFileContants.VisibleFunctions, ConfigFileContants.VisibleProviders }));
}
}
if (this.configHash.ContainsKey(ConfigFileContants.LanguageMode))
{
PSLanguageMode mode = (PSLanguageMode)Enum.Parse(typeof(PSLanguageMode), this.configHash[ConfigFileContants.LanguageMode].ToString(), true);
if (flag && (mode != PSLanguageMode.ConstrainedLanguage))
{
throw new PSInvalidOperationException(RemotingErrorIdStrings.CannotCreateRunspaceInconsistentState);
}
args.Runspace.ExecutionContext.LanguageMode = mode;
}
if (this.configHash.ContainsKey(ConfigFileContants.ExecutionPolicy))
{
ExecutionPolicy policy = (ExecutionPolicy)Enum.Parse(typeof(ExecutionPolicy), this.configHash[ConfigFileContants.ExecutionPolicy].ToString(), true);
string shellID = args.Runspace.ExecutionContext.ShellID;
SecuritySupport.SetExecutionPolicy(ExecutionPolicyScope.Process, policy, shellID);
}
}
Command cmdToRun = null;
if (!string.IsNullOrEmpty(this.configData.StartupScript))
{
cmdToRun = new Command(this.configData.StartupScript, false, false);
}
else if (!string.IsNullOrEmpty(this.configData.InitializationScriptForOutOfProcessRunspace))
{
cmdToRun = new Command(this.configData.InitializationScriptForOutOfProcessRunspace, true, false);
}
if (cmdToRun != null)
{
this.InvokeScript(cmdToRun, args);
if (this.localRunspacePool.RunspacePoolStateInfo.State == RunspacePoolState.Opening)
{
object valueToConvert = args.Runspace.SessionStateProxy.PSVariable.GetValue("global:PSApplicationPrivateData");
if (valueToConvert != null)
{
this.applicationPrivateData = (PSPrimitiveDictionary)LanguagePrimitives.ConvertTo(valueToConvert, typeof(PSPrimitiveDictionary), true, CultureInfo.InvariantCulture, null);
}
}
}
}
internal AutomationEngine(
PSHost hostInterface,
RunspaceConfiguration runspaceConfiguration,
InitialSessionState iss)
{
this._context = runspaceConfiguration == null ? new ExecutionContext(this, hostInterface, iss) : new ExecutionContext(this, hostInterface, runspaceConfiguration);
this.EngineParser = new Parser();
this.commandDiscovery = new CommandDiscovery(this._context);
if (runspaceConfiguration != null)
{
runspaceConfiguration.Bind(this._context);
}
else
{
iss.Bind(this._context, false);
}
try
{
bool flag1 = true;
if (this._context.EngineSessionState.ProviderCount > 0)
{
if (this._context.EngineSessionState.CurrentDrive == (PSDriveInfo)null)
{
bool flag2 = false;
try
{
Collection <PSDriveInfo> drives = this._context.EngineSessionState.GetSingleProvider(this._context.ProviderNames.FileSystem).Drives;
if (drives != null)
{
if (drives.Count > 0)
{
this._context.EngineSessionState.CurrentDrive = drives[0];
flag2 = true;
}
}
}
catch (ProviderNotFoundException ex)
{
}
if (!flag2)
{
Collection <PSDriveInfo> collection = this._context.EngineSessionState.Drives((string)null);
if (collection != null && collection.Count > 0)
{
this._context.EngineSessionState.CurrentDrive = collection[0];
}
else
{
this._context.ReportEngineStartupError((Exception) new ItemNotFoundException(Environment.CurrentDirectory, "PathNotFound"));
flag1 = false;
}
}
}
if (flag1)
{
this._context.EngineSessionState.SetLocation(Environment.CurrentDirectory, new CmdletProviderContext(this._context));
}
}
this._context.EngineSessionState.SetVariableAtScope((PSVariable) new QuestionMarkVariable(this._context), "global", true, CommandOrigin.Internal);
}
catch (Exception ex)
{
CommandProcessorBase.CheckForSevereException(ex);
}
}
internal AliasHelpProvider(HelpSystem helpSystem) : base(helpSystem)
{
this._sessionState = helpSystem.ExecutionContext.SessionState;
this._commandDiscovery = helpSystem.ExecutionContext.CommandDiscovery;
this._context = helpSystem.ExecutionContext;
}
internal void AddCmdletInfoToCache(CmdletInfo newCmdletInfo) => CommandDiscovery.AddCmdletInfoToCache(this._context.EngineSessionState, newCmdletInfo);
private CmdletInfo NewCmdletInfo(SessionStateCmdletEntry entry) => CommandDiscovery.NewCmdletInfo(entry, this._context);
internal CommandProcessorBase LookupCommandProcessor(
CommandInfo commandInfo,
CommandOrigin commandOrigin,
bool?useLocalScope)
{
if (commandInfo.CommandType == CommandTypes.Alias && (commandOrigin == CommandOrigin.Internal || commandInfo.Visibility == SessionStateEntryVisibility.Public))
{
AliasInfo aliasInfo = (AliasInfo)commandInfo;
commandInfo = aliasInfo.ResolvedCommand;
if (commandInfo == null)
{
CommandNotFoundException notFoundException = new CommandNotFoundException(aliasInfo.Name, (Exception)null, "AliasNotResolvedException", new object[1]
{
(object)aliasInfo.UnresolvedCommandName
});
CommandDiscovery.tracer.TraceException((Exception)notFoundException);
throw notFoundException;
}
PSSQMAPI.IncrementData(CommandTypes.Alias);
}
CommandDiscovery.ShouldRun(this._context, (PSHost)this._context.EngineHostInterface, commandInfo, commandOrigin);
CommandProcessorBase commandProcessorBase;
switch (commandInfo.CommandType)
{
case CommandTypes.Function:
case CommandTypes.Filter:
FunctionInfo functionInfo = (FunctionInfo)commandInfo;
ExecutionContext context1 = this._context;
bool? nullable1 = useLocalScope;
int num1 = nullable1.HasValue ? (nullable1.GetValueOrDefault() ? 1 : 0) : 1;
commandProcessorBase = CommandDiscovery.CreateCommandProcessorForScript(functionInfo, context1, num1 != 0);
break;
case CommandTypes.Cmdlet:
commandProcessorBase = (CommandProcessorBase) new CommandProcessor((CmdletInfo)commandInfo, this._context);
break;
case CommandTypes.ExternalScript:
ExternalScriptInfo externalScriptInfo = (ExternalScriptInfo)commandInfo;
externalScriptInfo.SignatureChecked = true;
try
{
if (!this._context.IsSingleShell)
{
ExternalScriptInfo scriptInfo = externalScriptInfo;
bool?nullable2 = useLocalScope;
int num2 = nullable2.HasValue ? (nullable2.GetValueOrDefault() ? 1 : 0) : 1;
commandProcessorBase = this.CreateScriptProcessorForMiniShell(scriptInfo, num2 != 0);
break;
}
ExternalScriptInfo scriptInfo1 = externalScriptInfo;
RunspaceConfigForSingleShell runspaceConfiguration = this._context.RunspaceConfiguration as RunspaceConfigForSingleShell;
bool?nullable3 = useLocalScope;
int num3 = nullable3.HasValue ? (nullable3.GetValueOrDefault() ? 1 : 0) : 1;
commandProcessorBase = this.CreateScriptProcessorForSingleShell(scriptInfo1, runspaceConfiguration, num3 != 0);
break;
}
catch (ScriptRequiresSyntaxException ex)
{
CommandNotFoundException notFoundException = new CommandNotFoundException(ex.Message, (Exception)ex);
CommandDiscovery.tracer.TraceException((Exception)notFoundException);
throw notFoundException;
}
catch (PSArgumentException ex)
{
CommandNotFoundException notFoundException = new CommandNotFoundException(commandInfo.Name, (Exception)ex, "ScriptRequiresInvalidFormat", new object[0]);
CommandDiscovery.tracer.TraceException((Exception)notFoundException);
throw notFoundException;
}
case CommandTypes.Application:
commandProcessorBase = (CommandProcessorBase) new NativeCommandProcessor((ApplicationInfo)commandInfo, this._context);
break;
case CommandTypes.Script:
ScriptInfo scriptInfo2 = (ScriptInfo)commandInfo;
ExecutionContext context2 = this._context;
bool? nullable4 = useLocalScope;
int num4 = nullable4.HasValue ? (nullable4.GetValueOrDefault() ? 1 : 0) : 1;
commandProcessorBase = CommandDiscovery.CreateCommandProcessorForScript(scriptInfo2, context2, num4 != 0);
break;
default:
CommandNotFoundException notFoundException1 = new CommandNotFoundException(commandInfo.Name, (Exception)null, "CommandNotFoundException", new object[0]);
CommandDiscovery.tracer.TraceException((Exception)notFoundException1);
throw notFoundException1;
}
PSSQMAPI.IncrementData(commandInfo.CommandType);
commandProcessorBase.Command.CommandOriginInternal = commandOrigin;
commandProcessorBase.Command.MyInvocation.InvocationName = commandInfo.Name;
return(commandProcessorBase);
}
internal GeneralHelpProvider(HelpSystem helpSystem)
: base(helpSystem)
{
using (GeneralHelpProvider.tracer.TraceConstructor((object)this))
this._commandDiscovery = helpSystem.ExecutionContext.CommandDiscovery;
}
internal AliasHelpProvider(HelpSystem helpSystem) : base(helpSystem)
{
this._sessionState = helpSystem.ExecutionContext.SessionState;
this._commandDiscovery = helpSystem.ExecutionContext.CommandDiscovery;
this._context = helpSystem.ExecutionContext;
}