internal virtual void CheckImmediate(PermissionSet permSet, ref StackCrawlMark stackMark)
{
if (PreCheck(null, permSet, CHECK_SET, ref stackMark, PermissionType.DefaultFlag) == true)
{
return;
}
CheckSet(permSet,
ref stackMark,
ImmediateCheckCount,
permSet.CanUnrestrictedOverride());
}
private static void LazyCheckSetHelper(PermissionSet demands, IntPtr asmSecDesc)
{
if (demands.CanUnrestrictedOverride() == 1)
{
return;
}
PermissionSet grants;
PermissionSet denied;
_GetGrantedPermissionSet(asmSecDesc, out grants, out denied);
CheckSetHelper(grants, denied, demands);
}
private static void LazyCheckSetHelper(PermissionSet demands,
IntPtr asmSecDesc,
RuntimeMethodHandle rmh,
Assembly assembly,
SecurityAction action)
{
if (demands.CanUnrestrictedOverride())
{
return;
}
PermissionSet grants;
PermissionSet refused;
_GetGrantedPermissionSet(asmSecDesc, out grants, out refused);
CheckSetHelper(grants, refused, demands, rmh, (Object)assembly, action, true);
}
internal virtual void CheckImmediate(PermissionSet permSet, ref StackCrawlMark stackMark)
{
if (PreCheck(null, permSet, CHECK_SET, ref stackMark, PermissionType.DefaultFlag) == true)
return;
CheckSet(permSet,
ref stackMark,
ImmediateCheckCount,
permSet.CanUnrestrictedOverride() );
}
// true - Check passes
// false - Check may fail, do a stackwalk
// It may look like we dont need three arguments here, but this is being done to
// avoid "is instance of" checks and casting
private bool PreCheck( CodeAccessPermission permObj,
PermissionSet permSetObj,
int capOrSet,
ref StackCrawlMark stackMark,
PermissionType permType)
{
//return false;
int status=0;
PermissionListSet psl;
if (capOrSet == CHECK_CAP)
psl = GetDomainPermissionListSet(out status, permObj, capOrSet, permType);
else
psl = GetDomainPermissionListSet(out status, permSetObj, capOrSet, permType);
if (status == NEED_UPDATED_PLS)
psl = UpdateDomainPermissionListSet(out status);
if (status == DEMAND_PASSES || status == SECURITY_OFF)
return true;
if (status == FULLY_TRUSTED)
{
if (capOrSet == CHECK_CAP)
{
if (permObj is IUnrestrictedPermission)
return true;
}
else
{
if (permSetObj.CanUnrestrictedOverride() == 1)
return true;
}
}
if (status == CONTINUE || status == FULLY_TRUSTED)
{
if (capOrSet == CHECK_CAP)
return psl.CheckDemandNoThrow( permObj );
else
return psl.CheckSetDemandNoThrow( permSetObj );
}
if (status == PLS_IS_BUSY)
return false;
if (status == BELOW_THRESHOLD)
return false;
if (status == MULTIPLE_DOMAINS)
return false;
if (status == OVERRIDES_FOUND)
{
UpdateOverridesCount(ref stackMark);
return false;
}
if (status == NEED_STACKWALK)
return false;
BCLDebug.Assert(false,"Unexpected status from GetDomainPermissionListSet");
return false;
}
private static void LazyCheckSetHelper( PermissionSet demands, IntPtr asmSecDesc )
{
if (demands.CanUnrestrictedOverride() == 1)
return;
PermissionSet grants;
PermissionSet denied;
_GetGrantedPermissionSet( asmSecDesc, out grants, out denied );
CheckSetHelper( grants, denied, demands );
}
// true - Check passes
// false - Check may fail, do a stackwalk
// It may look like we dont need three arguments here, but this is being done to
// avoid "is instance of" checks and casting
private bool PreCheck(CodeAccessPermission permObj,
PermissionSet permSetObj,
int capOrSet,
ref StackCrawlMark stackMark,
PermissionType permType)
{
//return false;
int status = 0;
PermissionListSet psl;
if (capOrSet == CHECK_CAP)
{
psl = GetDomainPermissionListSet(out status, permObj, capOrSet, permType);
}
else
{
psl = GetDomainPermissionListSet(out status, permSetObj, capOrSet, permType);
}
if (status == NEED_UPDATED_PLS)
{
psl = UpdateDomainPermissionListSet(out status);
}
if (status == DEMAND_PASSES || status == SECURITY_OFF)
{
return(true);
}
if (status == FULLY_TRUSTED)
{
if (capOrSet == CHECK_CAP)
{
if (permObj is IUnrestrictedPermission)
{
return(true);
}
}
else
{
if (permSetObj.CanUnrestrictedOverride() == 1)
{
return(true);
}
}
}
if (status == CONTINUE || status == FULLY_TRUSTED)
{
if (capOrSet == CHECK_CAP)
{
return(psl.CheckDemandNoThrow(permObj));
}
else
{
return(psl.CheckSetDemandNoThrow(permSetObj));
}
}
if (status == PLS_IS_BUSY)
{
return(false);
}
if (status == BELOW_THRESHOLD)
{
return(false);
}
if (status == MULTIPLE_DOMAINS)
{
return(false);
}
if (status == OVERRIDES_FOUND)
{
UpdateOverridesCount(ref stackMark);
return(false);
}
if (status == NEED_STACKWALK)
{
return(false);
}
BCLDebug.Assert(false, "Unexpected status from GetDomainPermissionListSet");
return(false);
}
private static void LazyCheckSetHelper(PermissionSet demands,
IntPtr asmSecDesc,
RuntimeMethodHandle rmh,
Assembly assembly,
SecurityAction action)
{
if (demands.CanUnrestrictedOverride())
return;
PermissionSet grants;
PermissionSet refused;
_GetGrantedPermissionSet( asmSecDesc, out grants, out refused );
CheckSetHelper( grants, refused, demands, rmh, (Object)assembly, action, true );
}
