/// <summary>
/// Parses out the arguments of a UDPPort rule
///
/// We accept single or multiple ports and port ranges
/// </summary>
/// <param name="args"></param>
/// <returns></returns>
private static UDPPortRule GenUDPPORT(PacketStatus ps, string args, Direction dir, bool log, bool notify)
{
// first tokenize the args
List <string> tmp = new List <string>(args.Split(' '));
UDPPortRule rule = new UDPPortRule();
try
{
// iterate through the given arguments
foreach (string s in tmp)
{
string loc = s;
// parse the port range
if (loc.Contains("-"))
{
// parse the start/end ports out of the arguments
PortRange p = new PortRange();
string[] split = loc.Split('-');
p.start = Convert.ToInt32(split[0]);
p.end = Convert.ToInt32(split[1]);
// instead of an error message, we can just swap them
if (p.start > p.end)
{
int temp = p.start;
p.start = p.end;
p.end = temp;
}
// add it to the rule port ranges list
rule.port_ranges.Add(p);
}
// else it's just a port, add it as usual
else
{
rule.port.Add(Convert.ToInt32(s));
}
}
// set the other rule stuff
rule.ps = ps;
rule.direction = dir;
rule.log = log;
rule.notify = notify;
}
catch (Exception e)
{
// probably a parsing error; log it and throw an
// exception so the rule isn't touched
//LogCenter.WriteErrorLog(e);
throw new Exception();
}
return(rule);
}
/// <summary>
/// Parses out the arguments of a UDPPort rule
///
/// We accept single or multiple ports and port ranges
/// </summary>
/// <param name="args"></param>
/// <returns></returns>
private static UDPPortRule GenUDPPORT(PacketStatus ps, string args, Direction dir, bool log, bool notify)
{
// first tokenize the args
List<string> tmp = new List<string>(args.Split(' '));
UDPPortRule rule = new UDPPortRule();
rule.port_ranges = new List<PortRange>();
try
{
// iterate through the given arguments
foreach (string s in tmp)
{
string loc = s;
// parse the port range
if (loc.Contains("-"))
{
// parse the start/end ports out of the arguments
PortRange p = new PortRange();
string[] split = loc.Split('-');
p.start = Convert.ToInt32(split[0]);
p.end = Convert.ToInt32(split[1]);
// instead of an error message, we can just swap them
if (p.start > p.end)
{
int temp = p.start;
p.start = p.end;
p.end = temp;
}
// add it to the rule port ranges list
rule.port_ranges.Add(p);
}
// else it's just a port, add it as usual
else
{
rule.port.Add(Convert.ToInt32(s));
}
}
// set the other rule stuff
rule.ps = ps;
rule.direction = dir;
rule.log = log;
rule.notify = notify;
}
catch (Exception e)
{
// probably a parsing error; log it and throw an
// exception so the rule isn't touched
//LogCenter.WriteErrorLog(e);
throw new Exception();
}
return rule;
}
/// <summary>
/// Parses out the arguments of a TCPPort rule
///
/// We accept single or multiple ports and port ranges
/// </summary>
/// <param name="args"></param>
/// <returns></returns>
private static TCPPortRule GenTCPPORT(PacketStatus ps, string args, Direction dir, bool log, bool notify)
{
// first tokenize the args
List <string> tmp = new List <string>(args.Split(' '));
TCPPortRule rule = new TCPPortRule();
try
{
// iterate through the given arguments
foreach (string s in tmp)
{
string loc = s;
// parse the port range
if (loc.Contains("-"))
{
// parse the start/end ports out of the arguments
PortRange p = new PortRange();
string[] split = loc.Split('-');
p.start = Convert.ToInt32(split[0]);
p.end = Convert.ToInt32(split[1]);
// someday we'll give more meaningful error messages, but
// for now just throw an exception if they're doing something
// dumb like range 200-50
if (p.start > p.end)
{
throw new Exception();
}
// add it to the rule port ranges list
rule.port_ranges.Add(p);
}
// else it's just a port, add it as usual
else
{
rule.port.Add(Convert.ToInt32(s));
}
}
// set the other rule stuff
rule.ps = ps;
rule.direction = dir;
rule.log = log;
rule.notify = notify;
}
catch (Exception)
{
// probably a parsing error; log it
// and throw an exception so the rule isn't changed
//LogCenter.WriteErrorLog(e);
throw new Exception();
}
return(rule);
}
/// <summary>
/// Parses out the arguments of a TCPPort rule
///
/// We accept single or multiple ports and port ranges
/// </summary>
/// <param name="args"></param>
/// <returns></returns>
private static TCPPortRule GenTCPPORT(PacketStatus ps, string args, Direction dir, bool log, bool notify)
{
// first tokenize the args
List<string> tmp = new List<string>(args.Split(' '));
TCPPortRule rule = new TCPPortRule();
try
{
// iterate through the given arguments
foreach (string s in tmp)
{
string loc = s;
// parse the port range
if (loc.Contains("-"))
{
// parse the start/end ports out of the arguments
PortRange p = new PortRange();
string[] split = loc.Split('-');
p.start = Convert.ToInt32(split[0]);
p.end = Convert.ToInt32(split[1]);
// someday we'll give more meaningful error messages, but
// for now just throw an exception if they're doing something
// dumb like range 200-50
if (p.start > p.end)
throw new Exception();
// add it to the rule port ranges list
rule.port_ranges.Add(p);
}
// else it's just a port, add it as usual
else
{
rule.port.Add(Convert.ToInt32(s));
}
}
// set the other rule stuff
rule.ps = ps;
rule.direction = dir;
rule.log = log;
rule.notify = notify;
}
catch (Exception)
{
// probably a parsing error; log it
// and throw an exception so the rule isn't changed
//LogCenter.WriteErrorLog(e);
throw new Exception();
}
return rule;
}
