/*這個部分是聯創認證的特色所在,不論數據包的格式還是加密算法,與其他公司的標準都有很大不同這也是編寫此軟件的難點所在,幸好我有很好的匯編語言基礎，對破解技術有所了解。哈哈，我可不是什么 linux高手，接觸Linux只還不到一年，使用linux才一個學期,可不是，現在還為debian安裝中文輸入法而犯愁:(24-09-2005 10:51*/#include "sendpacket.h"//#include "global.h"#include "md5.h"/*void show(unsigned char *p,int n){	int i = 0;	for(i = 0;i<n;i++)	{		printf("%-2x ",*p);		++p;		if((i+1)%16==0) printf("\n");	}}*/unsigned char StandardAddr[] = {'\x01','\x80','\xC2','\x00','\x00','\x03'};	int SendFindServerPacket(libnet_t *l){   unsigned char broadPackage[0x40] = {        //港灣廣播包，用于尋找服務器           '\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x88','\x8e','\x01','\x01',           '\x00','\x0e','\x20','\x14','\x01','\x00','\x04','\x04','\x00','\x01','\x07','\x06','\x0a','\x01','\x83','\x26',           '\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5',           '\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5'};              extern unsigned char  m_localMAC[6];   memcpy( broadPackage, StandardAddr, 6 );   memcpy( broadPackage+6, m_localMAC, 6 );   //填充MAC地址   fputs(">> Searching for server...\n",stdout);   //show(broadPackage,64);   return (libnet_write_link(l,broadPackage, 0x40)==0x40)?0:-1;}int SendNamePacket(libnet_t *l, const u_char *pkt_data){   static unsigned char ackPackage[0x40] = {        //港灣應答包，用戶名           '\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x88','\x8e','\x01','\x00',           '\x00','\x0e','\x02','\x01','\x00','\x00','\x01','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00',           '\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5',           '\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5'};   extern char *m_name;   extern unsigned char  m_localMAC[6];   int nameLen;   nameLen=strlen(m_name);   memcpy(ackPackage,StandardAddr,6);  //仍將組播的MAC地址填入組織回復的包   memcpy(ackPackage+6,m_localMAC,6);  //將本機MAC地址填入組織回復的包   ackPackage[0x12]=0x02;            //code,2代表應答   ackPackage[0x13]=pkt_data[0x13];  //ID = 1   *(short *)(ackPackage+0x10) = htons((short)(5+nameLen));//len   *(short *)(ackPackage+0x14) = *(short *)(ackPackage+0x10);//len   memcpy(ackPackage+0x17,m_name,nameLen); //填入用戶名   fputs(">> Sending user name...\n",stdout);   //show(ackPackage,64);   return (libnet_write_link(l,ackPackage, 0x40)==0x40)?0:-1;}int SendPasswordPacket(libnet_t *l,const u_char *pkt_data){   static unsigned char ackPackage[0x40] = {        //港灣應答包，MD5           '\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x88','\x8e','\x01','\x00',           '\x00','\x0e','\x00','\x00','\x0e','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00',           '\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5',           '\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5'};   extern char *m_password;   extern unsigned char  m_localMAC[6];   int passwordLen;   passwordLen=strlen(m_password);   memcpy(ackPackage,StandardAddr,6);   memcpy(ackPackage+6,m_localMAC,6); //將本機MAC地址填入組織回復的包   ackPackage[0x12] = 0x02;                //code,2代表應答   ackPackage[0x13] = 0x01;                //pkt_data[\x13];        //id   ackPackage[0x16] = 0x04; //type，即應答方式,HERE should alway be 4   *(short *)(ackPackage+0x10) = htons((short)(6+passwordLen)); //len   *(short *)(ackPackage+0x14) = *(short *)( ackPackage+0x10 );   ackPackage[0x17] = 0x08;   memcpy(ackPackage+0x18,m_password,passwordLen);   fputs(">> Sending password... \n",stdout);   //show(ackPackage,64);   return (libnet_write_link(l,ackPackage, 0x40)==0x40)?0:-1;}int SendEchoPacket(libnet_t *l){		extern unsigned char m_localMAC[6];	unsigned char MidPacket[0x40]={           '\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x00','\x88','\x8e','\x01','\x0b',           '\x00','\x00','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5',           '\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5',           '\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5','\xa5'};	memcpy(MidPacket,StandardAddr,6);	memcpy(MidPacket+6,m_localMAC,6);/*	memcpy(MidPacket+0x0c,"0x888e",2);	memcpy(MidPacket+0x0e,"0x01",1);	memcpy(MidPacket+0x0f,"0x0b",1);	memcpy(MidPacket+0xa0,"0x0000",2);*/	return (libnet_write_link(l,MidPacket,0x40)==0x40)?0:-1;}int  SendEndCertPacket(libnet_t *l){   extern unsigned char  m_destMAC[6];   extern unsigned char  m_localMAC[6];   static unsigned char ExitPacket[34]={	'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x88', '\x8e', '\x01', '\x02',	'\x00', '\x00', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5',	'\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5',	'\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5', '\xa5'};   memcpy( ExitPacket, m_destMAC, 6 );   memcpy( ExitPacket+6,m_localMAC, 6 );   fputs(">> Logouting... \n",stdout);   return (libnet_write_link(l,ExitPacket,0x34)==0x34)?0:-1;}