Linux网络编程高手请指点一下!

hyffrank

最近我在编一个建立在网络层的包过滤防火墙,碰到一些问题如下:
1)加入头文件的问题
#include <linux/module.h>; //最基本的内核模块头文件
#include <linux/sched.h>;
#include <linux/kernel.h>; //最基本的内核模块头文件
#include <linux/netdevice.h>;
#include <linux/ip.h>;
#include <linux/tcp.h>;
#include <linux/skbuff.h>;
#include <linux/proc_fs.h>;
#include <linux/if.h>;
#include <linux/in.h>;
#include <linux/firewall.h>;
编译时出错,说:warning:#warning Using kernel headers in userspace.

2)我发现firewall.h不在usr/include/linux中,其它地方也找不到,其余的头文件中也include了一些其它无法找到的头文件.

flightbird

编译模块应加入特殊选项. 生成文件是 .o 文件.

hyffrank

请问如何加特殊选项,我现在这个文件叫MyFIreWall.c,编译命令为
gcc -Wall -O2 -c MyFireWall.c
请问还要加点什么附加项,谢谢!

connect

tcp/ip is working at kernelspece ,your program maybe has some error.

hyffrank

tcp/ip do work at kernelspace,but I can register my own firewall rules into kernel    by using the interface "register_firewall" it offers me,the interface is defined at "firewall.c",but I can't find it in any root,is that means that my gcc version is too low?

connect

try to set the gcc compiler warning level to highest level ...

hyffrank

why should i do it and how can i do it?

hyffrank

没人帮一下忙看看吗?

hyffrank

会不会和没安IPCHAINS有关系?