/******************************************************************************
*	
*		
*******************************************************************************
*	File?name:	?net.c
*	Purpose:	?????
*	Author:		?Felix（HuangFei）
*	Version:	??	?v01.00
*	Compiler:	?arm-linux-gcc
*	Created?on:	?2014-11-28
*******************************************************************************
*	Note:
*	Revision?history:??
*???????????????????????Created?by?HuangFei????2014-11-28
******************************************************************************/

#include?
#include?
#include?
#include?

#include?
#include?
#include?
#include?
#include?
#include?
#include?

#include?
#include?

#include?“net.h“

#define?TRUE????1
#define?FALSE???0
#define?MAC_ADDRESS_LEN?6
#define?PATH_PROCNET_ROUTE		“/proc/net/route“
#define?IFACE_NAME_LENGTH????????IF_NAMESIZE

/**********************************************************************
?*?Function:??????SetMacAddress
?*?Description:???設置mac地址
?*?Input:?????????pInterface?：網絡接口名字?如：eth0，pMacAddress：mac地址首地址
?*?Return:????????成功?1，失敗?0
?*?Others:????????
**********************************************************************/
unsigned?char?SetMacAddress（char?*pInterfacechar?*pMacAddress）
{
????struct?ifreq?ifr;
????struct?sockaddr?*hwaddr;
????unsigned?char?*hwptr;
????int?sockfd;
????int?i;

	/*?判斷接口輸入是否正確?*/
????if（（pInterface?==?NULL）||（pInterface[0]!=‘e‘）||（pInterface[1]!=‘t‘）||（pInterface[2]!=‘h‘））
????{
????????printf（“input?inteface?error!\n“）;
????????return?FALSE;
????}
????if（pMacAddress?==?NULL）
????{
????????printf（“input?mac?address?error\n“）;
????????return?FALSE;
????}
????
	sockfd=?socket（AF_INETSOCK_DGRAM0）;
	if?（sockfd<0）
	{
		printf（“Can‘t?creat?socket??\r\n“）;
	}
	memset（&ifr?0?sizeof（ifr））;
	strncpy（ifr.ifr_name?pInterface?sizeof（ifr.ifr_name）-1）;
????
?????/*讀出socket的信息*/
	if?（0?>?ioctl（sockfd?SIOCGIFFLAGS?&ifr））
	{
		printf（“close?the?ethx:unknown?interface\r\n“）;
	}
	ifr.ifr_flags?&=?~IFF_UP;
????/*將信息寫到socket中，從而關閉eth0*/
	if?（0?>?ioctl（sockfd?SIOCSIFFLAGS?&ifr））?
	{
		printf（“Can‘t?close?the?ethx?\r\n“）;
????????return?FALSE;
	}

	/*---------------------------------------------------------------------*/
	/*?set?the?interface?eth0‘s??MAC?address???????????????????????????????*/
	/*---------------------------------------------------------------------*/
	memset（&ifr?0?sizeof（ifr））;
	strncpy（ifr.ifr_name?pInterface?sizeof（ifr.ifr_name）-1）;
	hwaddr=（struct?sockaddr?*）&ifr.ifr_hwaddr;
????
????/*ARPHRD_ETHER＝1，標識接收的ARP為以太網格式*/
	hwaddr->sa_family?=?ARPHRD_ETHER;
	hwptr=hwaddr->sa_data;

	for（i=0;i<6;i++）
		*hwptr++?=?（unsigned?char）pMacAddress[i];
		
	if?（0?>?ioctl（sockfd?SIOCSIFHWADDR?&ifr））
	{
		printf（“Can‘t?set?the?MA

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????26187??2015-04-27?20:40??net.c

?????文件???????1895??2015-04-27?20:40??net.h

-----------?---------??----------?-----??----

????????????????28082????????????????????2