//
// System.Security.SecurityException.cs
//
// Authors:
// Nick Drochak(ndrochak@gol.com)
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) Nick Drochak
// (C) 2004 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Globalization;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Runtime.Serialization;
using System.Security.Permissions;
using System.Security.Policy;
using System.Text;
namespace System.Security{
[Serializable]
[ComVisible (true)]
public class SecurityException : SystemException {
// Fields
string permissionState;
Type permissionType;
private string _granted;
private string _refused;
private object _demanded;
private IPermission _firstperm;
// private IPermission _permfailed;
private MethodInfo _method;
private Evidence _evidence;
private SecurityAction _action;
private object _denyset;
private object _permitset;
private AssemblyName _assembly;
private string _url;
private SecurityZone _zone;
// Properties
[ComVisible (false)]
public SecurityAction Action {
get { return _action; }
set { _action = value; }
}
[ComVisible (false)]
public object DenySetInstance {
[SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
get { return _denyset; }
set { _denyset = value; }
}
[ComVisible (false)]
public AssemblyName FailedAssemblyInfo {
[SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
get { return _assembly; }
set { _assembly = value; }
}
[ComVisible (false)]
public MethodInfo Method {
[SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
get { return _method; }
set { _method = value; }
}
[ComVisible (false)]
public object PermitOnlySetInstance {
[SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
get { return _permitset; }
set { _permitset = value; }
}
public string Url {
[SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
get { return _url; }
set { _url = value; }
}
public SecurityZone Zone {
get { return _zone; }
set { _zone = value; }
}
[ComVisible (false)]
public object Demanded {
[SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
get { return _demanded; }
set { _demanded = value; }
}
public IPermission FirstPermissionThatFailed {
[SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
get { return _firstperm; }
set { _firstperm = value; }
}
public string PermissionState {
[SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
get { return permissionState; }
set { permissionState = value; }
}
public Type PermissionType {
get { return permissionType; }
set { permissionType = value; }
}
public string GrantedSet {
[SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
get { return _granted; }
set { _granted = value; }
}
public string RefusedSet {
[SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
get { return _refused; }
set { _refused = value; }
}
// Constructors
public SecurityException ()
: base (Locale.GetText ("A security error has been detected."))
{
base.HResult = unchecked ((int)0x8013150A);
}
public SecurityException (string message)
: base (message)
{
base.HResult = unchecked ((int)0x8013150A);
}
protected SecurityException (SerializationInfo info, StreamingContext context)
: base (info, context)
{
base.HResult = unchecked ((int)0x8013150A);
// depending on the security policy the info about PermissionState may
// not be available (but the serializable must work)
SerializationInfoEnumerator e = info.GetEnumerator ();
while (e.MoveNext ()) {
if (e.Name == "PermissionState") {
permissionState = (string) e.Value;
break;
}
}
}
public SecurityException (string message, Exception inner)
: base (message, inner)
{
base.HResult = unchecked ((int)0x8013150A);
}
public SecurityException (string message, Type type)
: base (message)
{
base.HResult = unchecked ((int)0x8013150A);
permissionType = type;
}
public SecurityException (string message, Type type, string state)
: base (message)
{
base.HResult = unchecked ((int)0x8013150A);
permissionType = type;
permissionState = state;
}
internal SecurityException (string message, PermissionSet granted, PermissionSet refused)
: base (message)
{
base.HResult = unchecked ((int)0x8013150A);
_granted = granted.ToString ();
_refused = refused.ToString ();
}
public SecurityException (string message, object deny, object permitOnly, MethodInfo method,
object demanded, IPermission permThatFailed)
: base (message)
{
base.HResult = unchecked ((int)0x8013150A);
_denyset = deny;
_permitset = permitOnly;
_method = method;
_demanded = demanded;
_firstperm = permThatFailed;
}
public SecurityException (string message, AssemblyName assemblyName, PermissionSet grant,
PermissionSet refused, MethodInfo method, SecurityAction action, object demanded,
IPermission permThatFailed, Evidence evidence)
: base (message)
{
base.HResult = unchecked ((int)0x8013150A);
_assembly = assemblyName;
_granted = (grant == null) ? String.Empty : grant.ToString ();
_refused = (refused == null) ? String.Empty : refused.ToString ();
_method = method;
_action = action;
_demanded = demanded;
_firstperm = permThatFailed;
if (_firstperm != null)
permissionType = _firstperm.GetType ();
_evidence = evidence;
}
// Methods
public override void GetObjectData (SerializationInfo info, StreamingContext context)
{
base.GetObjectData (info, context);
try {
info.AddValue ("PermissionState", PermissionState);
}
catch (SecurityException) {
// serialize only if permitted to do so
}
}
public override string ToString ()
{
StringBuilder sb = new StringBuilder (base.ToString ());
try {
if (permissionType != null) {
sb.AppendFormat ("{0}Type: {1}", Environment.NewLine, PermissionType);
}
if (_method != null) {
// method string representation doesn't include the type
string m = _method.ToString ();
int ret = m.IndexOf (" ") + 1;
sb.AppendFormat ("{0}Method: {1} {2}.{3}", Environment.NewLine,
_method.ReturnType.Name, _method.ReflectedType, m.Substring (ret));
}
if (permissionState != null) {
sb.AppendFormat ("{0}State: {1}", Environment.NewLine, PermissionState);
}
if ((_granted != null) && (_granted.Length > 0)) {
sb.AppendFormat ("{0}Granted: {1}", Environment.NewLine, GrantedSet);
}
if ((_refused != null) && (_refused.Length > 0)) {
sb.AppendFormat ("{0}Refused: {1}", Environment.NewLine, RefusedSet);
}
if (_demanded != null) {
sb.AppendFormat ("{0}Demanded: {1}", Environment.NewLine, Demanded);
}
if (_firstperm != null) {
sb.AppendFormat ("{0}Failed Permission: {1}", Environment.NewLine, FirstPermissionThatFailed);
}
if (_evidence != null) {
sb.AppendFormat ("{0}Evidences:", Environment.NewLine);
foreach (object o in _evidence) {
// Hash evidence is way much too verbose to be useful to anyone
if (!(o is Hash))
sb.AppendFormat ("{0}\t{1}", Environment.NewLine, o);
}
}
}
catch (SecurityException) {
// some informations can't be displayed
}
return sb.ToString ();
}
}
}
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