mirror of
https://github.com/zeek/zeek.git
synced 2025-10-02 06:38:20 +00:00
44e0760e96
These allow packet analyzers to register ports as identifiers to forward from parent analyzers, while also adding those ports to the now-global Analyzer::ports table at the same time.
61 lines
1.9 KiB
Text
61 lines
1.9 KiB
Text
module PacketAnalyzer;
|
|
|
|
@load base/frameworks/analyzer/main.zeek
|
|
|
|
export {
|
|
## Registers a set of well-known ports for an analyzer. If a future
|
|
## connection on one of these ports is seen, the analyzer will be
|
|
## automatically assigned to parsing it. The function *adds* to all ports
|
|
## already registered, it doesn't replace them.
|
|
##
|
|
## tag: The tag of the analyzer.
|
|
##
|
|
## ports: The set of well-known ports to associate with the analyzer.
|
|
##
|
|
## Returns: True if the ports were successfully registered.
|
|
global register_for_ports: function(parent: PacketAnalyzer::Tag,
|
|
child: PacketAnalyzer::Tag,
|
|
ports: set[port]) : bool;
|
|
|
|
## Registers an individual well-known port for an analyzer. If a future
|
|
## connection on this port is seen, the analyzer will be automatically
|
|
## assigned to parsing it. The function *adds* to all ports already
|
|
## registered, it doesn't replace them.
|
|
##
|
|
## tag: The tag of the analyzer.
|
|
##
|
|
## p: The well-known port to associate with the analyzer.
|
|
##
|
|
## Returns: True if the port was successfully registered.
|
|
global register_for_port: function(parent: PacketAnalyzer::Tag,
|
|
child: PacketAnalyzer::Tag,
|
|
p: port) : bool;
|
|
}
|
|
|
|
function register_for_ports(parent: PacketAnalyzer::Tag,
|
|
child: PacketAnalyzer::Tag,
|
|
ports: set[port]) : bool
|
|
{
|
|
local rc = T;
|
|
|
|
for ( p in ports )
|
|
{
|
|
if ( ! register_for_port(parent, child, p) )
|
|
rc = F;
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
function register_for_port(parent: PacketAnalyzer::Tag,
|
|
child: PacketAnalyzer::Tag,
|
|
p: port) : bool
|
|
{
|
|
register_packet_analyzer(parent, port_to_count(p), child);
|
|
|
|
if ( child !in Analyzer::ports )
|
|
Analyzer::ports[child] = set();
|
|
|
|
add Analyzer::ports[child][p];
|
|
return T;
|
|
}
|