Ejemplo n.º 1
0
 public void ValidateScriptInfo(PSHost host)
 {
     if (!this._signatureChecked)
     {
         System.Management.Automation.ExecutionContext context = base.Context ?? LocalPipeline.GetExecutionContextFromTLS();
         this.ReadScriptContents();
         if (context != null)
         {
             CommandDiscovery.ShouldRun(context, host, this, CommandOrigin.Internal);
             this._signatureChecked = true;
         }
     }
 }
Ejemplo n.º 2
0
        /// <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;
                }
            }
        }
Ejemplo n.º 3
0
        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);
        }