Exemplo n.º 1
0
 /// <summary>
 /// Constructor.
 /// </summary>
 /// <param name="grant"><c>true</c> if this item grants access for clients at an IP subnet.</param>
 /// <param name="address">The IP address.</param>
 /// <param name="networkPrefix">The number of leading network bits in the address.</param>
 /// <remarks>
 /// <b>networkBits</b> is the number of bits specified after the slash (/) in the
 /// classless Inter-Domain Routing (CIDR) notation for a subnet (ie. the <b>16</b> in
 /// <b>206.44.123.10/16</b>).
 /// </remarks>
 public IPFilterItem(bool grant, IPAddress address, int networkPrefix)
 {
     this.grant      = grant;
     this.subnetMask = NetHelper.GetSubnetMask(networkPrefix);
     this.address    = NetHelper.ToInt32(address) & subnetMask;
 }
Exemplo n.º 2
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 /// <summary>
 /// Determines whether the filter item applies to the specified IP address.
 /// </summary>
 /// <param name="address">The IPv4 address to be tested.</param>
 /// <returns>
 /// A <see cref="TriState" /> is returned.  <see cref="TriState.True" /> indicates
 /// that the IP address is explicitly granted access by the filter item, <see cref="TriState.False" />
 /// indicates that the address is explicitly deined access, and <see cref="TriState.Unknown" />
 /// indicates that the filter item does not apply to the address.
 /// </returns>
 /// <exception cref="ArgumentException">Thrown for non-IPv4 addresses.</exception>
 public TriState GrantAccess(IPAddress address)
 {
     return(GrantAccess(NetHelper.ToInt32(address)));
 }
Exemplo n.º 3
0
        private int  address;           // The IP address

        /// <summary>
        /// Constructor.
        /// </summary>
        /// <param name="grant"><c>true</c> if this item grants access for clients at an IP address.</param>
        /// <param name="address">The IP address.</param>
        public IPFilterItem(bool grant, IPAddress address)
        {
            this.grant      = grant;
            this.subnetMask = 0;
            this.address    = NetHelper.ToInt32(address);
        }