Inheritance: System.Runtime.Serialization.ISerializable
Exemplo n.º 1
0
        static public CompressedStack GetCompressedStack()
        {
#if !FEATURE_COMPRESSEDSTACK
            throw new NotSupportedException();
#else
            // Note: CompressedStack.GetCompressedStack doesn't return null
            // like Thread.CurrentThread.GetCompressedStack if no compressed
            // stack is present.

            CompressedStack cs = Thread.CurrentThread.ExecutionContext.SecurityContext.CompressedStack;
            if (cs == null || cs.IsEmpty())
            {
                cs = CompressedStack.Capture();
            }
            else
            {
                cs = cs.CreateCopy();
                // merge the existing compressed stack (from a previous Thread) with the current
                // Thread stack so we can assign "all of it" to yet another Thread
                CompressedStack newstack = CompressedStack.Capture();
                for (int i = 0; i < newstack._list.Count; i++)
                {
                    cs._list.Add(newstack._list [i]);
                }
            }
            return(cs);
#endif
        }
Exemplo n.º 2
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        static public void Run(CompressedStack compressedStack, ContextCallback callback, object state)
        {
#if !FEATURE_COMPRESSEDSTACK
            throw new NotSupportedException();
#else
            if (compressedStack == null)
            {
                throw new ArgumentException("compressedStack");
            }

            Thread          t        = Thread.CurrentThread;
            CompressedStack original = null;
            try {
                original = t.ExecutionContext.SecurityContext.CompressedStack;
                t.ExecutionContext.SecurityContext.CompressedStack = compressedStack;
                callback(state);
            }
            finally {
                if (original != null)
                {
                    t.ExecutionContext.SecurityContext.CompressedStack = original;
                }
            }
#endif
        }
Exemplo n.º 3
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        public static void Run(CompressedStack compressedStack, ContextCallback callback, object?state)
        {
            ArgumentNullException.ThrowIfNull(compressedStack);

            // The original code was not checking for a null callback and would throw NullReferenceException
            callback(state);
        }
Exemplo n.º 4
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        internal static CompressedStackSwitcher SetCompressedStack(CompressedStack cs, CompressedStack prevCS)
        {
            CompressedStackSwitcher result = default(CompressedStackSwitcher);

            RuntimeHelpers.PrepareConstrainedRegions();
            try
            {
                RuntimeHelpers.PrepareConstrainedRegions();
                try
                {
                }
                finally
                {
                    CompressedStack.SetCompressedStackThread(cs);
                    result.prev_CS      = prevCS;
                    result.curr_CS      = cs;
                    result.prev_ADStack = CompressedStack.SetAppDomainStack(cs);
                }
            }
            catch
            {
                result.UndoNoThrow();
                throw;
            }
            return(result);
        }
Exemplo n.º 5
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        internal static CompressedStackSwitcher SetCompressedStack(CompressedStack cs, CompressedStack prevCS)
        {
            CompressedStackSwitcher compressedStackSwitcher = new CompressedStackSwitcher();

            RuntimeHelpers.PrepareConstrainedRegions();
            try
            {
                RuntimeHelpers.PrepareConstrainedRegions();
                try
                {
                }
                finally
                {
                    CompressedStack.SetCompressedStackThread(cs);
                    compressedStackSwitcher.prev_CS      = prevCS;
                    compressedStackSwitcher.curr_CS      = cs;
                    compressedStackSwitcher.prev_ADStack = CompressedStack.SetAppDomainStack(cs);
                }
            }
            catch
            {
                compressedStackSwitcher.UndoNoThrow();
                throw;
            }
            return(compressedStackSwitcher);
        }
 internal CompressedStackRunData(CompressedStack cs, ContextCallback cb, Object state)
 {
     this.cs       = cs;
     this.callBack = cb;
     this.state    = state;
     this.cssw     = new CompressedStackSwitcher();
 }
Exemplo n.º 7
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        // internal stuff

        internal bool Equals(CompressedStack cs)
        {
            if (IsEmpty())
            {
                return(cs.IsEmpty());
            }
            if (cs.IsEmpty())
            {
                return(false);
            }
            if (_list.Count != cs._list.Count)
            {
                return(false);
            }

            for (int i = 0; i < _list.Count; i++)
            {
                SecurityFrame sf1 = (SecurityFrame)_list [i];
                SecurityFrame sf2 = (SecurityFrame)cs._list [i];
                if (!sf1.Equals(sf2))
                {
                    return(false);
                }
            }
            return(true);
        }
        internal static CompressedStack GetCompressedStack(ref StackCrawlMark stackMark)
        {
            CompressedStack cs;
            CompressedStack innerCS = null;

            if (CodeAccessSecurityEngine.QuickCheckForAllDemands())
            {
                cs = new CompressedStack(null);
            }
            else if (CodeAccessSecurityEngine.AllDomainsHomogeneousWithNoStackModifiers())
            {
                cs       = new CompressedStack(null);
                cs.m_pls = PermissionListSet.CreateCompressedState_HG();
            }
            else
            {
                // regular stackwalking case
                cs = new CompressedStack(GetDelayedCompressedStack(ref stackMark));
                if (cs.CompressedStackHandle != null && IsImmediateCompletionCandidate(cs.CompressedStackHandle, out innerCS))
                {
                    cs.CompleteConstruction(innerCS);
                    DestroyDCSList(cs.CompressedStackHandle);
                }
            }
            return(cs);
        }
Exemplo n.º 9
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        internal static void SetCompressedStackThread(CompressedStack cs)
        {
            Thread currentThread = Thread.CurrentThread;

            if (currentThread.GetExecutionContextReader().SecurityContext.CompressedStack == cs)
            {
                return;
            }
            ExecutionContext executionContext = currentThread.GetMutableExecutionContext();

            if (executionContext.SecurityContext != null)
            {
                executionContext.SecurityContext.CompressedStack = cs;
            }
            else
            {
                if (cs == null)
                {
                    return;
                }
                executionContext.SecurityContext = new SecurityContext()
                {
                    CompressedStack = cs
                };
            }
        }
        [MethodImplAttribute(MethodImplOptions.NoInlining)] // Methods containing StackCrawlMark local var has to be marked non-inlineable
        public static CompressedStack GetCompressedStack()
        {
            // This is a Capture()
            StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;

            return(CompressedStack.GetCompressedStack(ref stackMark));
        }
        [HandleProcessCorruptedStateExceptions] //
#endif // FEATURE_CORRUPTING_EXCEPTIONS
        internal static CompressedStackSwitcher SetCompressedStack(CompressedStack cs, CompressedStack prevCS)
        {
            CompressedStackSwitcher cssw = new CompressedStackSwitcher();

            RuntimeHelpers.PrepareConstrainedRegions();
            try
            {
                // Order is important in this block.
                // Also, we dont want any THreadAborts happening when we try to set it
                RuntimeHelpers.PrepareConstrainedRegions();
                try
                {
                    // Empty try block to ensure no ThreadAborts in the finally block
                }
                finally
                {
                    // SetCompressedStackThread can throw - only if it suceeds we shd update the switcher and overrides
                    SetCompressedStackThread(cs);
                    cssw.prev_CS      = prevCS;
                    cssw.curr_CS      = cs;
                    cssw.prev_ADStack = SetAppDomainStack(cs);
                }
            }
            catch
            {
                cssw.UndoNoThrow();
                throw; // throw the original exception
            }
            return(cssw);
        }
Exemplo n.º 12
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 internal CompressedStack(CompressedStack cs)
 {
     if (cs != null && cs._list != null)
     {
         this._list = (ArrayList)cs._list.Clone();
     }
 }
Exemplo n.º 13
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 internal bool Equals(CompressedStack cs)
 {
     if (this.IsEmpty())
     {
         return(cs.IsEmpty());
     }
     if (cs.IsEmpty())
     {
         return(false);
     }
     if (this._list.Count != cs._list.Count)
     {
         return(false);
     }
     for (int i = 0; i < this._list.Count; i++)
     {
         SecurityFrame securityFrame = (SecurityFrame)this._list[i];
         SecurityFrame sf            = (SecurityFrame)cs._list[i];
         if (!securityFrame.Equals(sf))
         {
             return(false);
         }
     }
     return(true);
 }
Exemplo n.º 14
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		// copy constructor
		internal SecurityContext (SecurityContext sc)
		{
			_capture = true;
			_winid = sc._winid;
			if (sc._stack != null)
				_stack = sc._stack.CreateCopy ();
		}
Exemplo n.º 15
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 internal CompressedStack(CompressedStack cs)
 {
     if ((cs != null) && (cs._list != null))
     {
         _list = (ArrayList)cs._list.Clone();
     }
 }
Exemplo n.º 16
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        public void SetCompressedStack(CompressedStack stack)
        {
#if MOBILE
            throw new NotSupportedException();
#else
            ExecutionContext.SecurityContext.CompressedStack = stack;
#endif
        }
Exemplo n.º 17
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		// copy constructor
		internal SecurityContext (SecurityContext sc)
		{
			_capture = true;
#if !MOBILE
			_winid = sc._winid;
			if (sc._stack != null)
				_stack = sc._stack.CreateCopy ();
#endif
		}
Exemplo n.º 18
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        CompressedStack GetCompressedStack()
        {
            // Note: returns null if no CompressedStack has been set.
            // However CompressedStack.GetCompressedStack returns an
            // (empty?) CompressedStack instance.
            CompressedStack cs = ExecutionContext.SecurityContext.CompressedStack;

            return(((cs == null) || cs.IsEmpty()) ? null : cs.CreateCopy());
        }
Exemplo n.º 19
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        public static void Run(CompressedStack compressedStack, ContextCallback callback, object state)
        {
            if (compressedStack == null)
            {
                throw new ArgumentNullException(nameof(compressedStack));
            }

            // The original code was not checking for a null callback and would throw NullReferenceException
            callback(state);
        }
Exemplo n.º 20
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        public static void Run(CompressedStack compressedStack, ContextCallback callback, object state)
        {
            if (compressedStack == null)
            {
                throw new ArgumentNullException(nameof(compressedStack));
            }

            // The original code was not checking for a null callback and would throw NullReferenceException
            callback(state);
        }
Exemplo n.º 21
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 public void SetCompressedStack(CompressedStack stack)
 {
     if (stack != null)
     {
         SetCompressedStackInternal(stack.UnmanagedCompressedStack);
     }
     else
     {
         SetCompressedStackInternal((IntPtr)0);
     }
 }
Exemplo n.º 22
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        public CompressedStack GetCompressedStack()
        {
#if MOBILE
            throw new NotSupportedException();
#else
            // Note: returns null if no CompressedStack has been set.
            // However CompressedStack.GetCompressedStack returns an
            // (empty?) CompressedStack instance.
            CompressedStack cs = ExecutionContext.SecurityContext.CompressedStack;
            return(((cs == null) || cs.IsEmpty()) ? null : cs.CreateCopy());
#endif
        }
Exemplo n.º 23
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		public void Undo ()
		{
			if ((_cs != null) && (_t != null)) {
				lock (_cs) {
					if ((_cs != null) && (_t != null)) {
						_t.SetCompressedStack (_cs);
					}
					_t = null;
					_cs = null;
				}
			}
		}
Exemplo n.º 24
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		static CompressedStack Capture ()
		{
			CompressedStack cs = new CompressedStack (0);
			cs._list = SecurityFrame.GetStack (1);

			// include any current CompressedStack inside the new Capture
			CompressedStack currentCs = Thread.CurrentThread.GetCompressedStack ();
			if (currentCs != null) {
				for (int i=0; i < currentCs._list.Count; i++)
					cs._list.Add (currentCs._list [i]);
			}
			return cs;
		}
Exemplo n.º 25
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		public static CompressedStack Capture ()
		{
			CompressedStack cs = new CompressedStack (0);
			cs._list = SecurityFrame.GetStack (1);

			// include any current CompressedStack inside the new Capture
			CompressedStack currentCs = Thread.CurrentThread.GetCompressedStack ();
			if (currentCs != null) {
				for (int i=0; i < currentCs._list.Count; i++)
					cs._list.Add (currentCs._list [i]);
			}
			return cs;
		}
Exemplo n.º 26
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 internal void CompleteConstruction(CompressedStack innerCS)
 {
     if (this.PLS == null)
     {
         PermissionListSet set = PermissionListSet.CreateCompressedState(this, innerCS);
         lock (this)
         {
             if (this.PLS == null)
             {
                 this.m_pls = set;
             }
         }
     }
 }
Exemplo n.º 27
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 public static void Run(CompressedStack compressedStack, ContextCallback callback, object state)
 {
     if (compressedStack == null)
     {
         throw new ArgumentException(Environment.GetResourceString("Arg_NamedParamNull"), "compressedStack");
     }
     if (CompressedStack.cleanupCode == null)
     {
         CompressedStack.tryCode     = new RuntimeHelpers.TryCode(CompressedStack.runTryCode);
         CompressedStack.cleanupCode = new RuntimeHelpers.CleanupCode(CompressedStack.runFinallyCode);
     }
     CompressedStack.CompressedStackRunData compressedStackRunData = new CompressedStack.CompressedStackRunData(compressedStack, callback, state);
     RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(CompressedStack.tryCode, CompressedStack.cleanupCode, (object)compressedStackRunData);
 }
 internal void CompleteConstruction(CompressedStack innerCS)
 {
     if (this.PLS == null)
     {
         PermissionListSet set = PermissionListSet.CreateCompressedState(this, innerCS);
         lock (this)
         {
             if (this.PLS == null)
             {
                 this.m_pls = set;
             }
         }
     }
 }
Exemplo n.º 29
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 public void Undo()
 {
     if ((this.curr_CS != null) || (this.prev_CS != null))
     {
         if (this.prev_ADStack != IntPtr.Zero)
         {
             CompressedStack.RestoreAppDomainStack(this.prev_ADStack);
         }
         CompressedStack.SetCompressedStackThread(this.prev_CS);
         this.prev_CS      = null;
         this.curr_CS      = null;
         this.prev_ADStack = IntPtr.Zero;
     }
 }
Exemplo n.º 30
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 public void Undo()
 {
     if ((_cs != null) && (_t != null))
     {
         lock (_cs) {
             if ((_cs != null) && (_t != null))
             {
                 _t.SetCompressedStack(_cs);
             }
             _t  = null;
             _cs = null;
         }
     }
 }
 public void Undo()
 {
     if ((this.curr_CS != null) || (this.prev_CS != null))
     {
         if (this.prev_ADStack != IntPtr.Zero)
         {
             CompressedStack.RestoreAppDomainStack(this.prev_ADStack);
         }
         CompressedStack.SetCompressedStackThread(this.prev_CS);
         this.prev_CS = null;
         this.curr_CS = null;
         this.prev_ADStack = IntPtr.Zero;
     }
 }
Exemplo n.º 32
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 public void Undo()
 {
     if (this.curr_CS == null && this.prev_CS == null)
     {
         return;
     }
     if (this.prev_ADStack != (IntPtr)0)
     {
         CompressedStack.RestoreAppDomainStack(this.prev_ADStack);
     }
     CompressedStack.SetCompressedStackThread(this.prev_CS);
     this.prev_CS      = null;
     this.curr_CS      = null;
     this.prev_ADStack = (IntPtr)0;
 }
        internal static void SetCompressedStackThread(CompressedStack cs)
        {
            ExecutionContext ec = Thread.CurrentThread.ExecutionContext;

            if (ec.SecurityContext != null)
            {
                ec.SecurityContext.CompressedStack = cs;
            }
            else if (cs != null)
            {
                SecurityContext sc = new SecurityContext();
                sc.CompressedStack = cs;
                ec.SecurityContext = sc;
            }
        }
Exemplo n.º 34
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        /// <summary>Captures the compressed stack from the current thread.</summary>
        /// <returns>A <see cref="T:System.Threading.CompressedStack" /> object.</returns>
        /// <filterpriority>1</filterpriority>
        public static CompressedStack Capture()
        {
            CompressedStack compressedStack = new CompressedStack(0);

            compressedStack._list = SecurityFrame.GetStack(1);
            CompressedStack compressedStack2 = Thread.CurrentThread.GetCompressedStack();

            if (compressedStack2 != null)
            {
                for (int i = 0; i < compressedStack2._list.Count; i++)
                {
                    compressedStack._list.Add(compressedStack2._list[i]);
                }
            }
            return(compressedStack);
        }
        internal void CompleteConstruction(CompressedStack innerCS)
        {
            if (PLS != null)
            {
                return;
            }
            PermissionListSet pls = PermissionListSet.CreateCompressedState(this, innerCS);

            lock (this)
            {
                if (PLS == null)
                {
                    m_pls = pls;
                }
            }
        }
        internal static void SetCompressedStackThread(CompressedStack cs)
        {
            ExecutionContext executionContext = Thread.CurrentThread.ExecutionContext;

            if (executionContext.SecurityContext != null)
            {
                executionContext.SecurityContext.CompressedStack = cs;
            }
            else if (cs != null)
            {
                SecurityContext context2 = new SecurityContext {
                    CompressedStack = cs
                };
                executionContext.SecurityContext = context2;
            }
        }
        [System.Security.SecurityCritical]  // auto-generated
        internal static CompressedStack GetCompressedStack(ref StackCrawlMark stackMark)
        {
            CompressedStack cs;
            CompressedStack innerCS = null;

            if (CodeAccessSecurityEngine.QuickCheckForAllDemands())
            {
                cs = new CompressedStack(null);
                cs.CanSkipEvaluation = true;
            }
            else if (CodeAccessSecurityEngine.AllDomainsHomogeneousWithNoStackModifiers())
            {
                // if all AppDomains on the stack are homogeneous, we don't need to walk the stack
                // however, we do need to capture the AppDomain stack.
                cs       = new CompressedStack(GetDelayedCompressedStack(ref stackMark, false));
                cs.m_pls = PermissionListSet.CreateCompressedState_HG();
            }
            else
            {
                // regular stackwalking case
                // We want this to complete without ThreadAborts - if we're in a multiple AD callstack and an intermediate AD gets unloaded,
                // preventing TAs here prevents a race condition where a SafeCompressedStackHandle is created to a DCS belonging to an AD that's
                // gone away
                cs = new CompressedStack(null);
                RuntimeHelpers.PrepareConstrainedRegions();
                try
                {
                    // Empty try block to ensure no ThreadAborts in the finally block
                }
                finally
                {
                    cs.CompressedStackHandle = GetDelayedCompressedStack(ref stackMark, true);
                    if (cs.CompressedStackHandle != null && IsImmediateCompletionCandidate(cs.CompressedStackHandle, out innerCS))
                    {
                        try
                        {
                            cs.CompleteConstruction(innerCS);
                        }
                        finally
                        {
                            DestroyDCSList(cs.CompressedStackHandle);
                        }
                    }
                }
            }
            return(cs);
        }
Exemplo n.º 38
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		public static CompressedStack Capture ()
		{
#if !FEATURE_COMPRESSEDSTACK
			throw new NotSupportedException ();
#else
			CompressedStack cs = new CompressedStack (0);
			cs._list = new ArrayList ();

			// include any current CompressedStack inside the new Capture
			CompressedStack currentCs = Thread.CurrentThread.ExecutionContext.SecurityContext.CompressedStack;
			if (currentCs != null) {
				for (int i=0; i < currentCs._list.Count; i++)
					cs._list.Add (currentCs._list [i]);
			}
			return cs;
#endif
		}
Exemplo n.º 39
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        [System.Security.SecurityCritical]  // auto-generated
        private static void ReflectionTargetDemandHelper(int permission,
                                                         PermissionSet targetGrant,
                                                         CompressedStack securityContext)
        {
            Contract.Assert(securityContext != null, "securityContext != null");

            // We need to remove all identity permissions from the grant set of the target, otherwise the
            // disjunctive demand will fail unless we're reflecting on the same assembly.
            PermissionSet demandSet = null;
            if (targetGrant == null)
            {
                demandSet = new PermissionSet(PermissionState.Unrestricted);
            }
            else
            {
                demandSet = targetGrant.CopyWithNoIdentityPermissions();
                demandSet.AddPermission(new ReflectionPermission(ReflectionPermissionFlag.RestrictedMemberAccess));
            }

            securityContext.DemandFlagsOrGrantSet((1 << (int)permission), demandSet);
        }
Exemplo n.º 40
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 [System.Security.SecurityCritical]  // auto-generated
 internal static void CheckHelper(CompressedStack cs,
                                 PermissionSet grantedSet,
                                 PermissionSet refusedSet,
                                 CodeAccessPermission demand, 
                                 PermissionToken permToken,
                                 RuntimeMethodHandleInternal rmh,
                                 RuntimeAssembly asm,
                                 SecurityAction action)
 {
     if (cs != null)
         cs.CheckDemand(demand, permToken, rmh);
     else
         CheckHelper(grantedSet, refusedSet, demand, permToken, rmh, (Object)asm, action, true);
 }
Exemplo n.º 41
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 [System.Security.SecurityCritical]  // auto-generated
 internal static void CheckSetHelper(CompressedStack cs,
                                    PermissionSet grants,
                                    PermissionSet refused,
                                    PermissionSet demands,
                                    RuntimeMethodHandleInternal rmh,
                                    RuntimeAssembly asm,
                                    SecurityAction action)
 {
     if (cs != null)
         cs.CheckSetDemand(demands, rmh);
     else
         CheckSetHelper(grants, refused, demands, rmh, (Object)asm, action, true);
 }
Exemplo n.º 42
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 public void SetCompressedStack(CompressedStack stack);
Exemplo n.º 43
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        // public(internal) interface begins... 
        // Creation functions 
        static internal PermissionListSet CreateCompressedState(CompressedStack cs, CompressedStack innerCS)
        { 
            // function that completes the construction of the compressed stack if not done so already (bottom half for demand evaluation)

            bool bHaltConstruction = false;
            if (cs.CompressedStackHandle == null) 
                return null; //  FT case or Security off
 
            PermissionListSet pls = new PermissionListSet(); 
            PermissionSetTriple currentTriple = new PermissionSetTriple();
            int numDomains = CompressedStack.GetDCSCount(cs.CompressedStackHandle); 
            for (int i=numDomains-1; (i >= 0 && !bHaltConstruction) ; i--)
            {
                DomainCompressedStack dcs = CompressedStack.GetDomainCompressedStack(cs.CompressedStackHandle, i);
                if (dcs == null) 
                    continue; // we hit a FT Domain
                if (dcs.PLS == null) 
                { 
                    // We failed on some DCS
                    throw new SecurityException(String.Format(CultureInfo.InvariantCulture, Environment.GetResourceString("Security_Generic"))); 
                }
                pls.UpdateZoneAndOrigin(dcs.PLS);
                pls.Update(currentTriple, dcs.PLS);
                bHaltConstruction = dcs.ConstructionHalted; 
            }
            if (!bHaltConstruction) 
            { 
                PermissionListSet tmp_pls = null;
                // Construction did not halt. 
                if (innerCS != null)
                {
                    innerCS.CompleteConstruction(null);
                    tmp_pls = innerCS.PLS; 
                }
                pls.Terminate(currentTriple, tmp_pls); 
            } 
            else
            { 
                pls.Terminate(currentTriple);
            }

            return pls; 
        }
Exemplo n.º 44
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		void SetCompressedStack (CompressedStack stack)
		{
			ExecutionContext.SecurityContext.CompressedStack = stack;
		}
Exemplo n.º 45
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 public void SetCompressedStack(CompressedStack stack)
 {
     throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ThreadAPIsNotSupported"));
 }
Exemplo n.º 46
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		// internal stuff
		internal bool Equals (CompressedStack cs)
		{
			if (IsEmpty ())
				return cs.IsEmpty ();
			if (cs.IsEmpty ())
				return false;
			if (_list.Count != cs._list.Count)
				return false;

			return true;
		}
Exemplo n.º 47
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		internal CompressedStack (CompressedStack cs)
		{
			if ((cs != null) && (cs._list != null))
				_list = (ArrayList) cs._list.Clone ();
		}
Exemplo n.º 48
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		static public void Run (CompressedStack compressedStack, ContextCallback callback, object state)
		{
#if !FEATURE_COMPRESSEDSTACK
			throw new NotSupportedException ();
#else	
			if (compressedStack == null)
				throw new ArgumentException ("compressedStack");

			Thread t = Thread.CurrentThread;
			CompressedStack original = null;
			try {
				original = t.ExecutionContext.SecurityContext.CompressedStack; 
				t.ExecutionContext.SecurityContext.CompressedStack = compressedStack;
				callback (state);
			}
			finally {
				if (original != null)
					t.ExecutionContext.SecurityContext.CompressedStack = original;
			}
#endif
		}
 private void Init(string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] signature, Type owner, System.Reflection.Module m, bool skipVisibility, bool transparentMethod)
 {
     CheckConsistency(attributes, callingConvention);
     if (signature != null)
     {
         this.m_parameterTypes = new RuntimeType[signature.Length];
         for (int i = 0; i < signature.Length; i++)
         {
             if (signature[i] == null)
             {
                 throw new ArgumentException(Environment.GetResourceString("Arg_InvalidTypeInSignature"));
             }
             this.m_parameterTypes[i] = signature[i].UnderlyingSystemType as RuntimeType;
             if (((this.m_parameterTypes[i] == null) || !this.m_parameterTypes[i].IsRuntimeType) || (this.m_parameterTypes[i] == typeof(void)))
             {
                 throw new ArgumentException(Environment.GetResourceString("Arg_InvalidTypeInSignature"));
             }
         }
     }
     else
     {
         this.m_parameterTypes = new RuntimeType[0];
     }
     this.m_returnType = (returnType == null) ? ((RuntimeType) typeof(void)) : (returnType.UnderlyingSystemType as RuntimeType);
     if (((this.m_returnType == null) || !this.m_returnType.IsRuntimeType) || this.m_returnType.IsByRef)
     {
         throw new NotSupportedException(Environment.GetResourceString("Arg_InvalidTypeInRetType"));
     }
     if (transparentMethod)
     {
         this.m_module = GetDynamicMethodsModule();
         if (skipVisibility)
         {
             this.m_restrictedSkipVisibility = true;
             this.m_creationContext = CompressedStack.Capture();
         }
     }
     else
     {
         if (m != null)
         {
             this.m_module = m.ModuleHandle.GetRuntimeModule();
         }
         else if (((owner != null) && (owner.UnderlyingSystemType != null)) && owner.UnderlyingSystemType.IsRuntimeType)
         {
             this.m_typeOwner = owner.UnderlyingSystemType.TypeHandle.GetRuntimeType();
             if ((this.m_typeOwner.HasElementType || this.m_typeOwner.ContainsGenericParameters) || (this.m_typeOwner.IsGenericParameter || this.m_typeOwner.IsInterface))
             {
                 throw new ArgumentException(Environment.GetResourceString("Argument_InvalidTypeForDynamicMethod"));
             }
             this.m_module = (RuntimeModule) this.m_typeOwner.Module;
         }
         this.m_skipVisibility = skipVisibility;
     }
     this.m_ilGenerator = null;
     this.m_fInitLocals = true;
     this.m_methodHandle = null;
     if (name == null)
     {
         throw new ArgumentNullException("name");
     }
     this.m_dynMethod = new RTDynamicMethod(this, name, attributes, callingConvention);
 }
Exemplo n.º 50
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        public void Undo()
        {
            if (curr_CS == null && prev_CS == null)
                return;
            if (prev_ADStack != (IntPtr)0)
                CompressedStack.RestoreAppDomainStack(prev_ADStack);
            CompressedStack.SetCompressedStackThread(prev_CS);

            prev_CS = null;
            curr_CS = null;
            prev_ADStack = (IntPtr)0;
        }
Exemplo n.º 51
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        [System.Security.SecurityCritical]  // auto-generated
        internal static void GetZoneAndOriginHelper( CompressedStack cs, PermissionSet grantSet, PermissionSet refusedSet, ArrayList zoneList, ArrayList originList )
        {
            if (cs != null)
                cs.GetZoneAndOrigin(zoneList, originList, PermissionToken.GetToken(typeof(ZoneIdentityPermission)), PermissionToken.GetToken(typeof(UrlIdentityPermission)));
            else
        {
            ZoneIdentityPermission zone = (ZoneIdentityPermission)grantSet.GetPermission( typeof( ZoneIdentityPermission ) );
            UrlIdentityPermission url = (UrlIdentityPermission)grantSet.GetPermission( typeof( UrlIdentityPermission ) );

            if (zone != null)
                zoneList.Add( zone.SecurityZone );

            if (url != null)
                originList.Add( url.Url );
            }
        }
Exemplo n.º 52
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		public void SetCompressedStack (CompressedStack stack)
		{
#if MOBILE
			throw new NotSupportedException ();
#else
			ExecutionContext.SecurityContext.CompressedStack = stack;
#endif
		}
 public static void Run(CompressedStack compressedStack, ContextCallback callback, Object state)
 {
 }
Exemplo n.º 54
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		static public void Run (CompressedStack compressedStack, ContextCallback callback, object state)
		{
			if (compressedStack == null)
				throw new ArgumentException ("compressedStack");

			Thread t = Thread.CurrentThread;
			CompressedStack original = null;
			try {
				original = t.GetCompressedStack (); 
				t.SetCompressedStack (compressedStack);
				callback (state);
			}
			finally {
				if (original != null)
					t.SetCompressedStack (original);
			}
		}
Exemplo n.º 55
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        [System.Security.SecurityCritical]  // auto-generated
        private unsafe void Init(String name, 
                                 MethodAttributes attributes, 
                                 CallingConventions callingConvention, 
                                 Type returnType, 
                                 Type[] signature, 
                                 Type owner, 
                                 Module m, 
                                 bool skipVisibility,
                                 bool transparentMethod,
                                 ref StackCrawlMark stackMark)
        {
            DynamicMethod.CheckConsistency(attributes, callingConvention);

            // check and store the signature
            if (signature != null) {
                m_parameterTypes = new RuntimeType[signature.Length];
                for (int i = 0; i < signature.Length; i++) {
                    if (signature[i] == null) 
                        throw new ArgumentException(Environment.GetResourceString("Arg_InvalidTypeInSignature"));
                    m_parameterTypes[i] = signature[i].UnderlyingSystemType as RuntimeType;
                    if ( m_parameterTypes[i] == null || !(m_parameterTypes[i] is RuntimeType) || m_parameterTypes[i] == (RuntimeType)typeof(void) ) 
                        throw new ArgumentException(Environment.GetResourceString("Arg_InvalidTypeInSignature"));
                }
            }
            else {
                m_parameterTypes = Array.Empty<RuntimeType>();
            }
            
            // check and store the return value
            m_returnType = (returnType == null) ? (RuntimeType)typeof(void) : returnType.UnderlyingSystemType as RuntimeType;
            if ( (m_returnType == null) || !(m_returnType is RuntimeType) || m_returnType.IsByRef ) 
                throw new NotSupportedException(Environment.GetResourceString("Arg_InvalidTypeInRetType"));

            if (transparentMethod)
            {
                Contract.Assert(owner == null && m == null, "owner and m cannot be set for transparent methods");
                m_module = GetDynamicMethodsModule();
                if (skipVisibility)
                {
                    m_restrictedSkipVisibility = true;
                }

#if FEATURE_COMPRESSEDSTACK
                m_creationContext = CompressedStack.Capture();
#endif // FEATURE_COMPRESSEDSTACK
            }
            else
            {
                Contract.Assert(m != null || owner != null, "PerformSecurityCheck should ensure that either m or owner is set");
                Contract.Assert(m == null || !m.Equals(s_anonymouslyHostedDynamicMethodsModule), "The user cannot explicitly use this assembly");
                Contract.Assert(m == null || owner == null, "m and owner cannot both be set");

                if (m != null)
                    m_module = m.ModuleHandle.GetRuntimeModule(); // this returns the underlying module for all RuntimeModule and ModuleBuilder objects.
                else
                {
                    RuntimeType rtOwner = null;
                    if (owner != null)
                        rtOwner = owner.UnderlyingSystemType as RuntimeType;

                    if (rtOwner != null)
                    {
                        if (rtOwner.HasElementType || rtOwner.ContainsGenericParameters
                            || rtOwner.IsGenericParameter || rtOwner.IsInterface)
                            throw new ArgumentException(Environment.GetResourceString("Argument_InvalidTypeForDynamicMethod"));

                        m_typeOwner = rtOwner;
                        m_module = rtOwner.GetRuntimeModule();
                    }
                }

                m_skipVisibility = skipVisibility;
            }

            // initialize remaining fields
            m_ilGenerator = null;
            m_fInitLocals = true;
            m_methodHandle = null;

            if (name == null) 
                throw new ArgumentNullException("name");

#if FEATURE_APPX
            if (AppDomain.ProfileAPICheck)
            {
                if (m_creatorAssembly == null)
                    m_creatorAssembly = RuntimeAssembly.GetExecutingAssembly(ref stackMark);

                if (m_creatorAssembly != null && !m_creatorAssembly.IsFrameworkAssembly())
                    m_profileAPICheck = true;
            }
#endif // FEATURE_APPX

            m_dynMethod = new RTDynamicMethod(this, name, attributes, callingConvention);
        }
 public void SetCompressedStack(CompressedStack stack)
 {
   Contract.Ensures(false);
 }
Exemplo n.º 57
0
 public void SetCompressedStack(CompressedStack stack)
 {
     throw new InvalidOperationException(SR.Thread_GetSetCompressedStack_NotSupported);
 }
Exemplo n.º 58
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        public XmlTextReaderImpl( string url, XmlNameTable nt ): this( nt ) {
            if ( url == null ) {
                throw new ArgumentNullException( "url" );
            }
            if ( url.Length == 0 ) {
                throw new ArgumentException( Res.GetString( Res.Xml_EmptyUrl ), "url" );
            }
            namespaceManager = new XmlNamespaceManager( nt );

            compressedStack = CompressedStack.Capture();

            this.url = url;

            ps.baseUri = xmlResolver.ResolveUri( null, url );
            ps.baseUriStr = ps.baseUri.ToString();
            reportedBaseUri = ps.baseUriStr;

            parsingFunction = ParsingFunction.OpenUrl;
        }
Exemplo n.º 59
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 internal extern static bool IsImmediateCompletionCandidate(SafeCompressedStackHandle compressedStack, out CompressedStack innerCS);
Exemplo n.º 60
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		// internal stuff

		internal bool Equals (CompressedStack cs)
		{
			if (IsEmpty ())
				return cs.IsEmpty ();
			if (cs.IsEmpty ())
				return false;
			if (_list.Count != cs._list.Count)
				return false;

			for (int i=0; i < _list.Count; i++) {
				SecurityFrame sf1 = (SecurityFrame) _list [i];
				SecurityFrame sf2 = (SecurityFrame) cs._list [i];
				if (!sf1.Equals (sf2))
					return false;
			}
			return true;
		}