socket bind问题!!VC急
编译链接都没问题，运行时提示bind failed
#include "stdafx.h "
#include "winsock2.h "
#include "ws2tcpip.h "
#include "iostream.h "
#include "stdio.h "
#pragma comment(lib, "ws2_32.lib ")
typedef struct _IP_HEADER //定义IP头
{
union
{
BYTE Version; //版本（前4位）
BYTE HdrLen; //IHL（后4位），IP头的长度
};
BYTE ServiceType; //服务类型
WORD TotalLen; //总长
WORD ID; //标识
union
{
WORD Flags; //标志（前3位）
WORD FragOff; //分段偏移（后13位）
};
BYTE TimeToLive; //生命期
BYTE Protocol; //协议
WORD HdrChksum; //头校验和
DWORD SrcAddr; //源地址
DWORD DstAddr; //目的地址
BYTE Options; //选项
}IP_HEADER;
//逐位解析IP头中的信息
void getVersion(BYTE b,BYTE & version)
{
version=b> > 4;
}
void getIHL(BYTE b,BYTE & result)
{
result=(b & 0x0f)*4;
}
char * parseServiceType_getProcedence(BYTE b)
{
switch(b> > 5)
{
case 7:
return "Network Control ";
break;
case 6:
return "Internet work Control ";
break;
case 5:
return "CRITIC/ECP ";
break;
case 4:
return "Flash Override ";
break;
case 3:
return "Flash ";
break;
case 2:
return "Immdiate ";
break;
case 1:
return "Priority ";
break;
case 0:
return "Routine ";
break;
default:
return "Unknown ";
}
}
char * parseServiceType_getTOS(BYTE b)
{
b=(b> > 1)&0x0f;
switch(b)
{
case 0:
return "Normal service ";
break;
case 1:
return "Minimize monetary cost ";
break;
case 2:
return "Maximize reliability ";
break;
case 4:
return "Maximize throughput ";
break;
case 8:
return "Minimize security ";
break;
case 15:
return "Maximize security ";
break;
default:
return "Unknown ";
}
}
void getFlags(WORD w, BYTE & DF, BYTE & MF)
{
DF = (w> > 14)&0x01;
MF = (w> > 13)&0x01;
}
void getFragOff(WORD w, WORD & fragOff)
{
fragOff = w&0x1fff;
}
char * getProtocol(BYTE Protocol)
{
switch(Protocol)
{
case 1:
return "ICMP ";
case 2:
return "IGMP ";
case 4:
return "IP in IP ";
case 6:
return "TCP ";
case 8:
return "EGP ";
case 17:
return "UDP ";
case 41:
return "IPv6 ";
case 46:
return "RSVP ";
case 89:
return "OSPF ";
default:
return "UNKNOWN ";
}
}
void ipparse(FILE* file ,char *buffer)
{
IP_HEADER ip=*(IP_HEADER *)buffer;
fseek(file,0,SEEK_END);
/*解析版本信息*/
BYTE version;
getVersion(ip.Version,version);
fprintf(file, "版本=%d\r\n ",version);
/*解析IP头长度*/
BYTE headerLen;
getIHL(ip.HdrLen,headerLen);
fprintf(file, "头长度=%d(BYTE)\r\n ",headerLen);
/*解析服务类型*/
fprintf(file, "服务类型=%s,%s\r\n ",
parseServiceType_getProcedence(ip.ServiceType),
parseServiceType_getTOS(ip.ServiceType));
/*解析数据报长度*/
fprintf(file, "数据报长度=%d(BYTE)\r\n ",ip.TotalLen);
/*解析数据报ID*/
fprintf(file, "数据报ID=%d\r\n ",ip.ID);
/*解析标志位*/
BYTE DF,MF;
getFlags(ip.Flags,DF,MF);
fprintf(file, "分段标志 DF=%d,MF=%d\r\n ",DF,MF);
/*解析分段偏移*/
WORD fragOff;
getFragOff(ip.FragOff,fragOff);
fprintf(file, "分段偏移值=%d\r\n ",fragOff);
/*解析生存期*/
fprintf(file, "生存期=%d(hops)\r\n ",ip.TimeToLive);
/*解析协议*/
fprintf(file, "协议=%s\r\n ",getProtocol(ip.Protocol));
/*解析头校验和*/
fprintf(file, "头校验和=0x%0x\r\n ",ip.HdrChksum);
/*解析源IP地址*/
fprintf(file, "源IP地址=%s\r\n ",inet_ntoa(*(in_addr*)&ip.SrcAddr));
/*解析目的IP地址*/
fprintf(file, "目的IP地址=%s\r\n ",inet_ntoa(*(in_addr*)&ip.DstAddr));
fprintf(file, "--------------------------------------------\r\n ");
}
int main(int argc, char * argv[])
{
if(argc !=2)
{
printf( "usage error!\n ");
return -1;
}
FILE *file;
if((file=fopen(argv[1], "wb+ "))==NULL)
{
printf( "fail to open file &s ",argv[1]);
return -1;
}
WSADATA WSAData;
/*如果初始化失败,程序退出*/
if((WSAStartup(MAKEWORD(2,2),&WSAData))!=0)
{
printf( "WSAStartuo failed!\n ");
return -1;
}
//建立原始socket
SOCKET sock;
if(sock=(socket(AF_INET,SOCK_RAW,IPPROTO_IP))==INVALID_SOCKET)
{
printf( "create socket failed!\n ");
return -1;
}
bool flag= true;
//设置ip头操作选项，其中flag设置为true,用户可以亲自对ip头进行处理
if((setsockopt(sock, IPPROTO_IP, IP_HDRINCL, (char*)&flag, sizeof(flag)))==SOCKET_ERROR)
{
printf( "setsockopt failed!\n ");
return -1;
}
// 获取本机名
char hostName[128];
if((gethostname(hostName,100)) ==SOCKET_ERROR)
{
printf( "gethostname failed!\n ");
return -1;
}
//获取本地IP地址
hostent *pHostIP;
if((pHostIP=gethostbyname(hostName))==NULL)
{
printf( "gethostbyname failed\n ");
return -1;
}
//填充SOCKADDR_IN结构
sockaddr_in addr_in;
addr_in.sin_addr =*(in_addr *)pHostIP-> h_addr_list[0];
addr_in.sin_family = AF_INET;
addr_in.sin_port = htons(57274);
//addr_in.sin_addr = *(in_addr *)pHostIP-> h_addr_list[0]; //IP
//addr_in.sin_family = AF_INET;
//addr_in.sin_port = htons(6000);
//把原始socket绑定到本地网卡上
if((bind(sock,(PSOCKADDR)&addr_in, sizeof(addr_in)))==SOCKET_ERROR)
{
printf( "bind failed ");
return -1;
}
DWORD dwValue =1;
//设置SOCK_RAW 为SIO_RCVALL,以便接收所有的ip包
#define IO_RCVALL _WSAIOW(IOC_VENDOR,1)
DWORD dwBufferLen[10];
DWORD dwBufferInLen=1;
DWORD dwBytesReturned=0;
if(WSAIoctl(sock,IO_RCVALL,&dwBufferInLen,sizeof(dwBufferInLen),
&dwBufferLen,sizeof(dwBufferLen),&dwBytesReturned,NULL,NULL)==SOCKET_ERROR)
{
printf( "ioctlsocket failed\n ");
return -1;
}
//设置接收数据包的缓冲区长度
#define BUFFER_SIZE 65535
char buffer[BUFFER_SIZE];
//监听网卡
printf( "开始解析经过本机的IP数据包！\n\n ");
while(true)
{
int size=recv(sock,buffer,BUFFER_SIZE,0);
if(size > 0)
{
ipparse(stdout,buffer);
ipparse(file,buffer);
}
}
fclose(file);
return 0;
}
[解决办法]
开始是用2003的，刚才用6.0 试了一下，也没问题啊，偶是2000 server，没有xp
