| private IsGranted ( IPermission perm ) : bool | ||
| perm | IPermission | |
| return | bool | |
internal static IPermission CheckPermissionSet(Assembly a, PermissionSet ps, bool noncas)
{
if (ps.IsEmpty())
{
return(null);
}
foreach (object obj in ps)
{
IPermission permission = (IPermission)obj;
if (!noncas && permission is CodeAccessPermission)
{
if (!SecurityManager.IsGranted(a, permission))
{
return(permission);
}
}
else
{
try
{
permission.Demand();
}
catch (SecurityException)
{
return(permission);
}
}
}
return(null);
}
public virtual void Assert()
#endif
{
int count = this.Count;
// we (current frame) must have the permission to assert it to others
// otherwise we don't assert (but we don't throw an exception)
foreach (IPermission p in list)
{
// note: we ignore non-CAS permissions
if (p is IStackWalk)
{
if (!SecurityManager.IsGranted(p))
{
return;
}
}
else
{
count--;
}
}
// note: we must ignore the stack modifiers for the non-CAS permissions
if (SecurityManager.SecurityEnabled && (count > 0))
{
throw new NotSupportedException("Currently only declarative Assert are supported.");
}
}
/// <summary>Determines whether a permission is granted to the caller.</summary>
/// <returns>true if the permissions granted to the caller include the permission <paramref name="perm" />; otherwise, false.</returns>
/// <param name="perm">The permission to test against the grant of the caller. </param>
/// <PermissionSet>
/// <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="UnmanagedCode" />
/// </PermissionSet>
public static bool IsGranted(IPermission perm)
{
return(perm == null || !SecurityManager.SecurityEnabled || SecurityManager.IsGranted(Assembly.GetCallingAssembly(), perm));
}
private static bool LinkDemandUnmanaged(Assembly a)
{
return(SecurityManager.IsGranted(a, SecurityManager.UnmanagedCode));
}