ReadInt2() static private méthode

static private ReadInt2 ( byte src, int srcIndex ) : int
src byte
srcIndex int
Résultat int
Exemple #1
0
        internal virtual int Decode(byte[] buf, int bi)
        {
            Allow = buf[bi++] == unchecked (unchecked (0x00));
            Flags = buf[bi++] & unchecked (0xFF);
            int size = ServerMessageBlock.ReadInt2(buf, bi);

            bi    += 2;
            Access = ServerMessageBlock.ReadInt4(buf, bi);
            bi    += 4;
            Sid    = new Sid(buf, bi);
            return(size);
        }
        /// <exception cref="System.IO.IOException"></exception>
        public virtual int Decode(byte[] buffer, int bufferIndex, int len)
        {
            int start = bufferIndex;

            bufferIndex++;
            // revision
            bufferIndex++;
            Type         = ServerMessageBlock.ReadInt2(buffer, bufferIndex);
            bufferIndex += 2;
            ServerMessageBlock.ReadInt4(buffer, bufferIndex);
            // offset to owner sid
            bufferIndex += 4;
            ServerMessageBlock.ReadInt4(buffer, bufferIndex);
            // offset to group sid
            bufferIndex += 4;
            ServerMessageBlock.ReadInt4(buffer, bufferIndex);
            // offset to sacl
            bufferIndex += 4;
            int daclOffset = ServerMessageBlock.ReadInt4(buffer, bufferIndex);

            bufferIndex = start + daclOffset;
            bufferIndex++;
            // revision
            bufferIndex++;
            int size = ServerMessageBlock.ReadInt2(buffer, bufferIndex);

            bufferIndex += 2;
            int numAces = ServerMessageBlock.ReadInt4(buffer, bufferIndex);

            bufferIndex += 4;
            if (numAces > 4096)
            {
                throw new IOException("Invalid SecurityDescriptor");
            }
            if (daclOffset != 0)
            {
                Aces = new Ace[numAces];
                for (int i = 0; i < numAces; i++)
                {
                    Aces[i]      = new Ace();
                    bufferIndex += Aces[i].Decode(buffer, bufferIndex);
                }
            }
            else
            {
                Aces = null;
            }
            return(bufferIndex - start);
        }