Adding a test building a file analyzer plugin.

Also cleaning up, and moving, the other plugin tests.
This commit is contained in:
Robin Sommer 2014-06-18 14:08:28 -07:00
parent 55de5c60f4
commit c24bb9cacd
28 changed files with 203 additions and 2336 deletions

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project(Bro-Plugin-Demo-Foo)
cmake_minimum_required(VERSION 2.6.3)
if ( NOT BRO_DIST )
message(FATAL_ERROR "BRO_DIST not set")
endif ()
set(CMAKE_MODULE_PATH ${BRO_DIST}/cmake)
include(BroPlugin)
bro_plugin_begin(Demo Foo)
bro_plugin_cc(src/Plugin.cc)
bro_plugin_cc(src/Foo.cc)
bro_plugin_bif(src/events.bif)
bro_plugin_bif(src/functions.bif)
bro_plugin_pac(src/foo.pac src/foo-protocol.pac src/foo-analyzer.pac)
bro_plugin_end()

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const ports = { 4242/tcp };
event bro_init() &priority=5
{
Analyzer::register_for_ports(Analyzer::ANALYZER_FOO, ports);
}

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@load Demo/Foo/base/main

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#include "Foo.h"
#include "foo_pac.h"
#include "events.bif.h"
#include <analyzer/protocol/tcp/TCP_Reassembler.h>
using namespace plugin::Demo_Foo;
Foo::Foo(Connection* conn)
: analyzer::tcp::TCP_ApplicationAnalyzer("Foo", conn)
{
interp = new binpac::Foo::Foo_Conn(this);
}
Foo::~Foo()
{
delete interp;
}
void Foo::Done()
{
analyzer::tcp::TCP_ApplicationAnalyzer::Done();
interp->FlowEOF(true);
interp->FlowEOF(false);
}
void Foo::EndpointEOF(bool is_orig)
{
analyzer::tcp::TCP_ApplicationAnalyzer::EndpointEOF(is_orig);
interp->FlowEOF(is_orig);
}
void Foo::DeliverStream(int len, const u_char* data, bool orig)
{
analyzer::tcp::TCP_ApplicationAnalyzer::DeliverStream(len, data, orig);
assert(TCP());
if ( TCP()->IsPartial() )
// punt on partial.
return;
try
{
interp->NewData(orig, data, data + len);
}
catch ( const binpac::Exception& e )
{
ProtocolViolation(fmt("Binpac exception: %s", e.c_msg()));
}
}
void Foo::Undelivered(int seq, int len, bool orig)
{
analyzer::tcp::TCP_ApplicationAnalyzer::Undelivered(seq, len, orig);
interp->NewGap(orig, len);
}

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#ifndef BRO_PLUGIN_DEMO_FOO_H
#define BRO_PLUGIN_DEMO_FOO_H
#include "analyzer/protocol/tcp/TCP.h"
#include "analyzer/protocol/pia/PIA.h"
namespace binpac { namespace Foo { class Foo_Conn; } }
namespace plugin {
namespace Demo_Foo {
class Foo : public analyzer::tcp::TCP_ApplicationAnalyzer {
public:
Foo(Connection* conn);
~Foo();
virtual void Done();
virtual void DeliverStream(int len, const u_char* data, bool orig);
virtual void Undelivered(int seq, int len, bool orig);
virtual void EndpointEOF(bool is_orig);
static analyzer::Analyzer* Instantiate(Connection* conn)
{ return new Foo(conn); }
protected:
binpac::Foo::Foo_Conn* interp;
};
} }
#endif

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#include <plugin/Plugin.h>
#include "Foo.h"
namespace plugin {
namespace Demo_Foo {
class Plugin : public plugin::Plugin {
public:
plugin::Configuration Configure()
{
AddComponent(new ::analyzer::Component("Foo", plugin::Demo_Foo::Foo::Instantiate));
plugin::Configuration config;
config.name = "Demo::Foo";
config.description = "A Foo test analyzer";
config.version.major = 1;
config.version.minor = 0;
return config;
}
} plugin;
}
}

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event foo_message%(c: connection, data: string%);

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refine connection Foo_Conn += {
function Foo_data(msg: Foo_Message): bool
%{
StringVal* data = new StringVal(${msg.data}.length(), (const char*) ${msg.data}.data());
BifEvent::generate_foo_message(bro_analyzer(), bro_analyzer()->Conn(), data);
return true;
%}
};
refine typeattr Foo_Message += &let {
proc: bool = $context.connection.Foo_data(this);
};

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type Foo_Message(is_orig: bool) = record {
data: bytestring &restofdata;
};

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%include binpac.pac
%include bro.pac
%extern{
#include "Foo.h"
#include "events.bif.h"
%}
analyzer Foo withcontext {
connection: Foo_Conn;
flow: Foo_Flow;
};
connection Foo_Conn(bro_analyzer: BroAnalyzer) {
upflow = Foo_Flow(true);
downflow = Foo_Flow(false);
};
%include foo-protocol.pac
flow Foo_Flow(is_orig: bool) {
datagram = Foo_Message(is_orig) withcontext(connection, this);
};
%include foo-analyzer.pac