private unsafe static bool InheritanceDemand(AppDomain ad, Assembly a, RuntimeDeclSecurityActions *actions)
{
bool result;
try
{
bool flag = true;
if (actions->cas.size > 0)
{
PermissionSet ps = SecurityManager.Decode(actions->cas.blob, actions->cas.size);
flag = (SecurityManager.CheckPermissionSet(a, ps, false) == null);
if (flag)
{
flag = (SecurityManager.CheckPermissionSet(ad, ps) == null);
}
}
if (actions->noncas.size > 0)
{
PermissionSet ps = SecurityManager.Decode(actions->noncas.blob, actions->noncas.size);
flag = (SecurityManager.CheckPermissionSet(a, ps, true) == null);
if (flag)
{
flag = (SecurityManager.CheckPermissionSet(ad, ps) == null);
}
}
result = flag;
}
catch (SecurityException)
{
result = false;
}
return(result);
}
private unsafe static bool LinkDemand(Assembly a, RuntimeDeclSecurityActions *klass, RuntimeDeclSecurityActions *method)
{
bool result;
try
{
bool flag = true;
if (klass->cas.size > 0)
{
PermissionSet ps = SecurityManager.Decode(klass->cas.blob, klass->cas.size);
flag = (SecurityManager.CheckPermissionSet(a, ps, false) == null);
}
if (flag && klass->noncas.size > 0)
{
PermissionSet ps = SecurityManager.Decode(klass->noncas.blob, klass->noncas.size);
flag = (SecurityManager.CheckPermissionSet(a, ps, true) == null);
}
if (flag && method->cas.size > 0)
{
PermissionSet ps = SecurityManager.Decode(method->cas.blob, method->cas.size);
flag = (SecurityManager.CheckPermissionSet(a, ps, false) == null);
}
if (flag && method->noncas.size > 0)
{
PermissionSet ps = SecurityManager.Decode(method->noncas.blob, method->noncas.size);
flag = (SecurityManager.CheckPermissionSet(a, ps, true) == null);
}
result = flag;
}
catch (SecurityException)
{
result = false;
}
return(result);
}
internal unsafe static void ReflectedLinkDemandInvoke(MethodBase mb)
{
RuntimeDeclSecurityActions runtimeDeclSecurityActions;
RuntimeDeclSecurityActions runtimeDeclSecurityActions2;
if (!SecurityManager.GetLinkDemandSecurity(mb, &runtimeDeclSecurityActions, &runtimeDeclSecurityActions2))
{
return;
}
PermissionSet permissionSet = null;
if (runtimeDeclSecurityActions.cas.size > 0)
{
permissionSet = SecurityManager.Decode(runtimeDeclSecurityActions.cas.blob, runtimeDeclSecurityActions.cas.size);
}
if (runtimeDeclSecurityActions.noncas.size > 0)
{
PermissionSet permissionSet2 = SecurityManager.Decode(runtimeDeclSecurityActions.noncas.blob, runtimeDeclSecurityActions.noncas.size);
permissionSet = ((permissionSet != null) ? permissionSet.Union(permissionSet2) : permissionSet2);
}
if (runtimeDeclSecurityActions2.cas.size > 0)
{
PermissionSet permissionSet3 = SecurityManager.Decode(runtimeDeclSecurityActions2.cas.blob, runtimeDeclSecurityActions2.cas.size);
permissionSet = ((permissionSet != null) ? permissionSet.Union(permissionSet3) : permissionSet3);
}
if (runtimeDeclSecurityActions2.noncas.size > 0)
{
PermissionSet permissionSet4 = SecurityManager.Decode(runtimeDeclSecurityActions2.noncas.blob, runtimeDeclSecurityActions2.noncas.size);
permissionSet = ((permissionSet != null) ? permissionSet.Union(permissionSet4) : permissionSet4);
}
if (permissionSet != null)
{
permissionSet.Demand();
}
}
internal void InitFromRuntimeFrame(RuntimeSecurityFrame frame)
{
this._domain = frame.domain;
this._method = frame.method;
if (frame.assert.size > 0)
{
this._assert = SecurityManager.Decode(frame.assert.blob, frame.assert.size);
}
if (frame.deny.size > 0)
{
this._deny = SecurityManager.Decode(frame.deny.blob, frame.deny.size);
}
if (frame.permitonly.size > 0)
{
this._permitonly = SecurityManager.Decode(frame.permitonly.blob, frame.permitonly.size);
}
}
// Note: SecurityManager.Decode implements a cache - so not every call
// ends up making an icall
internal void InitFromRuntimeFrame(RuntimeSecurityFrame frame)
{
_domain = frame.domain;
_method = frame.method;
#if !DISABLE_SECURITY
if (frame.assert.size > 0)
{
_assert = SecurityManager.Decode(frame.assert.blob, frame.assert.size);
}
if (frame.deny.size > 0)
{
_deny = SecurityManager.Decode(frame.deny.blob, frame.deny.size);
}
if (frame.permitonly.size > 0)
{
_permitonly = SecurityManager.Decode(frame.permitonly.blob, frame.permitonly.size);
}
#endif
}
internal static PermissionSet Decode(IntPtr permissions, int length)
{
PermissionSet permissionSet = null;
object lockObject = SecurityManager._lockObject;
lock (lockObject)
{
if (SecurityManager._declsecCache == null)
{
SecurityManager._declsecCache = new Hashtable();
}
object key = (int)permissions;
permissionSet = (PermissionSet)SecurityManager._declsecCache[key];
if (permissionSet == null)
{
byte[] array = new byte[length];
Marshal.Copy(permissions, array, 0, length);
permissionSet = SecurityManager.Decode(array);
permissionSet.DeclarativeSecurity = true;
SecurityManager._declsecCache.Add(key, permissionSet);
}
}
return(permissionSet);
}
private static void InternalDemand(IntPtr permissions, int length)
{
PermissionSet permissionSet = SecurityManager.Decode(permissions, length);
permissionSet.Demand();
}