// Functions:
public override bool IsMatch(IPMatching.IPAddress Ip)
{
// Description:
// Compare provided IP-address with current (Me).
if (!(Ip.A == this.Value.A))
{
return(false);
}
if (!(Ip.B == this.Value.B))
{
return(false);
}
if (!(Ip.C == this.Value.C))
{
return(false);
}
if (!(Ip.D == this.Value.D))
{
return(false);
}
// The provided IP-address matches with current (Me).
return(true);
}
// Constructor:
public RuleRange(IPMatching.IPAddress Start, IPMatching.IPAddress Stop)
{
// Restrict use of this rule for single addresses.
if (Start.ToString() == Stop.ToString())
{
throw (new System.Exception("Start address can't be the same as Stop address"));
}
// Swap places of Start and Stop if Start is higher than Stop.
bool swapIp = false;
if (Start.A > Stop.A)
{
swapIp = true;
}
else
{
if (Start.B > Stop.B)
{
swapIp = true;
}
else
{
if (Start.C > Stop.C)
{
swapIp = true;
}
else
{
if (Start.D > Stop.D)
{
swapIp = true;
}
}
}
}
// Store IP-addresses in local variables.
if (swapIp == false)
{
rangeStart = Start;
rangeStop = Stop;
}
else
{
rangeStart = Stop;
rangeStop = Start;
}
}
// Functions:
public override bool IsMatch(IPMatching.IPAddress Ip)
{
// Description:
// Determine if the provided IP-address is within (including start/stop)
// this range.
if (Ip.A > rangeStart.A && Ip.A < rangeStop.A)
{
// A-domain is in between start/stop range.
return(true);
}
if (Ip.A == rangeStart.A || Ip.A == rangeStop.A)
{
if (Ip.B > rangeStart.B && Ip.B < rangeStop.B)
{
// B-domain is in between start/stop range.
return(true);
}
if (Ip.B == rangeStart.B || Ip.B == rangeStop.B)
{
if (Ip.C > rangeStart.C && Ip.C < rangeStop.C)
{
// C-domain is in between start/stop range.
return(true);
}
if (Ip.C == rangeStart.C || Ip.C == rangeStop.C)
{
if (rangeStart.A == rangeStop.A && rangeStart.B == rangeStop.B && rangeStart.C == rangeStop.C)
{
// A, B, C-domains are the same for start and stop.
if (Ip.D > rangeStart.D - 1 && Ip.D < rangeStop.D + 1)
{
return(true);
}
}
else
{
// Different C-domains in start/stop.
if (Ip.C == rangeStart.C)
{
if (Ip.D >= rangeStart.D)
{
return(true);
}
}
else if (Ip.C == rangeStop.C)
{
if (Ip.D <= rangeStop.D)
{
return(true);
}
}
}
}
}
}
// No match.
return(false);
}
// Constructor:
public RuleSingle(IPMatching.IPAddress Ip)
{
ipValue = Ip;
}
