target.c

Firestorm NIDS是一个性能非常高的网络入侵检测系统 (NIDS)。目前

/*
* This file is part of Firestorm NIDS
* Copyright (c) 2002 Gianni Tedesco
* This program is released under the terms of the GNU GPL version 2
*
*    This is the target subsystem. It manages alerts. Expect
*    this system to change dramatically...
*/
#include <stdio.h>
#include <string.h>

#include <firestorm.h>
#include <loader.h>
#include <packet.h>
#include <alert.h>
#include <args.h>
#include <target.h>

struct target *targets=NULL;

/* Load all target plugins */
void target_load(void)
{
	struct plugin *p;
	proc_target_load fn;
	static struct target_api tapi={
		.size=sizeof(tapi),
		.target_add=target_add,
		.args_parse=args_parse,
	};

	for(p=ld_list; p; p=p->next) {
		if ( !(fn=loader_symbol(p, plugin_target)) )
			continue;

		loader_perror(p, "target", fn(&tapi));
	}
}

/* Find a target by its name */
struct target *target_find(char *name)
{
	struct target *ret;

	for(ret=targets; ret; ret=ret->next)
	{
		if ( !strcmp(ret->name, name) )
			return ret;
	}
	return NULL;
}

/* Add a bunch of targets */
int target_add(struct target *t)
{
	int i;

	if ( !t ) return 0;

	for(i=0; t[i].name; i++) {
		t[i].next=targets;
		targets=&t[i];
	}

	return i;
}