internal static ExecutionPolicy GetExecutionPolicy(
string shellId,
ExecutionPolicyScope scope)
{
switch (scope)
{
case ExecutionPolicyScope.Process:
string environmentVariable = Environment.GetEnvironmentVariable("PSExecutionPolicyPreference");
return(!string.IsNullOrEmpty(environmentVariable) ? SecuritySupport.ParseExecutionPolicy(environmentVariable) : ExecutionPolicy.Undefined);
case ExecutionPolicyScope.CurrentUser:
case ExecutionPolicyScope.LocalMachine:
string localPreferenceValue = SecuritySupport.GetLocalPreferenceValue(shellId, scope);
return(!string.IsNullOrEmpty(localPreferenceValue) ? SecuritySupport.ParseExecutionPolicy(localPreferenceValue) : ExecutionPolicy.Undefined);
case ExecutionPolicyScope.UserPolicy:
case ExecutionPolicyScope.MachinePolicy:
string groupPolicyValue = SecuritySupport.GetGroupPolicyValue(shellId, scope);
if (!string.IsNullOrEmpty(groupPolicyValue))
{
Process process = Process.GetCurrentProcess();
string a = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.System), "gpscript.exe");
bool flag = false;
try
{
for (; process != null; process = PsUtils.GetParentProcess(process))
{
if (string.Equals(a, PsUtils.GetMainModule(process).FileName, StringComparison.OrdinalIgnoreCase))
{
flag = true;
break;
}
}
}
catch (Win32Exception ex)
{
}
if (!flag)
{
return(SecuritySupport.ParseExecutionPolicy(groupPolicyValue));
}
}
return(ExecutionPolicy.Undefined);
default:
return(ExecutionPolicy.Restricted);
}
}
private void ConstructParentId()
{
try
{
this.parentId = -1;
Process parentProcess = PsUtils.GetParentProcess(this.OriginalProcessInstance);
if (parentProcess != null)
{
this.parentId = parentProcess.Id;
}
}
catch (Win32Exception)
{
}
catch (InvalidOperationException)
{
}
catch (ManagementException)
{
}
}
internal static ExecutionPolicy GetExecutionPolicy(string shellId, ExecutionPolicyScope scope)
{
string groupPolicyValue;
bool flag;
switch (scope)
{
case ExecutionPolicyScope.Process:
{
string environmentVariable = Environment.GetEnvironmentVariable("PSExecutionPolicyPreference");
if (string.IsNullOrEmpty(environmentVariable))
{
return(ExecutionPolicy.Undefined);
}
return(ParseExecutionPolicy(environmentVariable));
}
case ExecutionPolicyScope.CurrentUser:
case ExecutionPolicyScope.LocalMachine:
{
string localPreferenceValue = GetLocalPreferenceValue(shellId, scope);
if (string.IsNullOrEmpty(localPreferenceValue))
{
return(ExecutionPolicy.Undefined);
}
return(ParseExecutionPolicy(localPreferenceValue));
}
case ExecutionPolicyScope.UserPolicy:
case ExecutionPolicyScope.MachinePolicy:
{
groupPolicyValue = GetGroupPolicyValue(shellId, scope);
if (string.IsNullOrEmpty(groupPolicyValue))
{
goto Label_00BA;
}
if (OSHelper.IsUnix)
{
flag = true;
}
else
{
Process currentProcess = Process.GetCurrentProcess();
string a = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.System), "gpscript.exe");
flag = false;
try
{
while (currentProcess != null)
{
if (string.Equals(a, PsUtils.GetMainModule(currentProcess).FileName, StringComparison.OrdinalIgnoreCase))
{
flag = true;
break;
}
currentProcess = PsUtils.GetParentProcess(currentProcess);
}
}
catch (Win32Exception)
{
}
}
break;
}
default:
return(ExecutionPolicy.Restricted);
}
if (!flag)
{
return(ParseExecutionPolicy(groupPolicyValue));
}
Label_00BA:
return(ExecutionPolicy.Undefined);
}