请大家帮我看一个80端口扫描程序,有些地方看不懂,55555,我是菜鸟!~~ ( 积分: 100 )

  • 主题发起人 主题发起人 candyania
  • 开始时间 开始时间
C

candyania

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#include <windows.h>
#pragma comment (lib, "ws2_32")
#include <stdio.h>
#include <string.h>
#define TIMEOUT 5
//#include "http.h"
FILE *pf;
CRITICAL_SECTION cs;
BOOL flag = true;
int cou = 0;
int SocketStatus(SOCKET s, char x, long timeout);
DWORD WINAPI SndFun(LPVOID pvoid);

int main(int argc, char *argv[])
{
DWORD dTime_start = GetTickCount();

//printf("/n%u/n",GetTickCount() - dTime_start);
//int co;
//scanf("%d", &amp;co);
WORD wVersionRequest = MAKEWORD(2, 2);// [red]这里makeword带的两个参数什么意思啊?? [/red]
WSADATA wsaData;//The WSADATA structure is used to store Windows Sockets
//initialization information returned by a call to the AfxSocketInit global function.

WSAStartup(wVersionRequest, &amp;wsaData);//现在是加载Winsock库，如果WSAStartup（）函数返回值为0，说明加载成功，程序可以继续
//往下执行

if (wsaData.wVersion != wVersionRequest)//[red]为什么要看是否相等??[/red] {
printf("the version is wrong");
return 0;//加载的winsock库不成功
}

struct sockaddr_in server_addr;//[red]这里是什么意思??[/red]
memset(&amp;server_addr, 0, sizeof(sockaddr_in));//memset用来对一段内存空间全部设置为某个字符，一般用在对定义的字符串进行初始化为‘ ’或‘/0’;
//这里将所有的sockaddr_in的内存初始化为0
[red]server_addr.sin_addr.S_un.S_addr[/red] = inet_addr("211.83.121.88");
//这个是什么??还有下面的server_addr.sin_family也不知道是什么
server_addr.sin_family = 2;
server_addr.sin_port = htons(80);
//61.152.157.72
int threadnum = 10;
DWORD threadid;
HANDLE hThd[64];

pf = fopen("data_wang.txt", "r");//这个txt文件在哪个文件夹里的?
//做什么用的?是不是记录扫描的结果?
if (pf == NULL)
{
printf("open data wrong/n");
return 0;
}
InitializeCriticalSection(&amp;cs);//初始化一个临界区


for (int i=0;
i<64;
i++)
{
hThd = CreateThread(NULL, 0, SndFun, &amp;server_addr, 0, &amp;threadid);
}

/*FILE *pf;
pf = fopen("wang.txt", "r");
char test1[50];
char test2[10];
fgets(test1, 50, pf);

printf(test1);
fgets(test2, 10, pf);
// the next enter
printf(test2);
fclose(pf);*/
WaitForMultipleObjects(64, hThd, TRUE, INFINITE);

fclose(pf);
printf("/n%u/n",GetTickCount() - dTime_start);

return 1;

}

DWORD WINAPI SndFun(LPVOID pvoid)
{


while (1)
{
char buffer_rcv[65536] = {0};

char buffer_snd[206] = {0};
SOCKET client_socket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);

int timeout = TIMEOUT*1000;
// Send time out
setsockopt(client_socket, SOL_SOCKET, SO_SNDTIMEO,(char *)&amp;timeout,sizeof(timeout));

timeout = TIMEOUT*1000;
// Receive time out
setsockopt(client_socket, SOL_SOCKET, SO_RCVTIMEO,(char *)&amp;timeout,sizeof(timeout));

unsigned long argp = 1; // Set 0:blocking or 1:nonblocking mode socket
ioctlsocket(client_socket, FIONBIO, &amp;argp);

/*struct fd_set socket_fd_set;
struct timeval timeout_timeval;
timeout_timeval.tv_sec = 2;
//wait out!
timeout_timeval.tv_usec = 0;
FD_ZERO(&amp;socket_fd_set);
FD_SET(client_socket, &amp;socket_fd_set);*/
sockaddr *server_addr = (sockaddr *)pvoid;
connect(client_socket, server_addr, sizeof(sockaddr_in));
int status = SocketStatus(client_socket, 'w', TIMEOUT);
//status: 0: timeout;
//....... -1: wrong;
//....... >0: right;
//select(client_socket+1, NULL, &amp;socket_fd_set, NULL, &amp;timeout_timeval);

if (status<=0)
{
printf("sokcetstatus(w) error/n");
closesocket(client_socket);
return 0;
}

/*status = SocketStatus(client_socket, 'r', 0);
if (status<0)
{
printf("sokcetstatus(r) error/n");
closesocket(client_socket);
return 0;
}
if (status>0)
{
recv(client_socket, buffer_rcv, sizeof(buffer_rcv), 0);
printf(buffer_rcv);
}*/
/*status = SocketStatus(client_socket, 'w', TIMEOUT*2);
if (status<=0)
{
printf("sokcetstatus(w) error/n");
closesocket(client_socket);
return 0;
}*/

//strncat(buffer_snd, " HTTP/1.0/x0D/x0A/x0D/x0A", sizeof(buffer_snd));
EnterCriticalSection(&amp;cs);
if (flag) fgets(buffer_snd, 206, pf);
else
goto tt;

if (!strcmp(buffer_snd, "$end$")) {flag = false;
goto tt;}
LeaveCriticalSection(&amp;cs);

strncat(buffer_snd, "/x0D/x0A", sizeof(buffer_snd));
int packet_length = strlen(buffer_snd);
send(client_socket, buffer_snd, packet_length, 0); //
/*fseek(pfile, 0, SEEK_END);
fwrite(buffer_snd, 1, packet_length, pfile);

printf(buffer_snd);
printf("/n");*/

//printf(buffer_snd);
//printf("/n");
status = SocketStatus(client_socket, 'r', 2);
if (status<0)
{
printf("sokcetstatus(r) error/n");
closesocket(client_socket);
return 0;
}
int count = recv(client_socket, buffer_rcv, sizeof(buffer_rcv), 0);

/*fseek(pfile, 0, SEEK_END);
fwrite(buffer_rcv, 1, count, pfile);*/

//printf(buffer_rcv);
//printf("/n");
//if (strstr(buffer_rcv, "DAV: ")!=NULL) printf("the result: have dav hole./n");
//else
printf("the result: not have dav hole./n");
//HTTP_HEAD *http_head;
//http_head = (HTTP_HEAD *)buffer_rcv;
//printf("%d/n",atoi(http_head->status_n));
closesocket(client_socket);
}

tt: LeaveCriticalSection(&amp;cs);

return 1;
}

int SocketStatus(SOCKET s, char x, long timeout)
{
struct timeval timeout_timeval;
timeout_timeval.tv_sec = timeout;
timeout_timeval.tv_usec = 0;
struct fd_set socket_fd_set;
FD_ZERO(&amp;socket_fd_set);
FD_SET(s, &amp;socket_fd_set);
int status;
switch(x)
{
case 'r': // Check readability
status = select(s+1, &amp;socket_fd_set, NULL, NULL, &amp;timeout_timeval);
switch(status)
{
case -1:// SOCKET_ERROR
break;
case 0: // Timeout
break;
default:// Checked sockets
if(FD_ISSET(s, &amp;socket_fd_set))
status = 1;
// Readable
else
status = 0;// Unreadable
}
break;

case 'w': // Check writebility
status = select(s+1, NULL, &amp;socket_fd_set, NULL, &amp;timeout_timeval);
switch(status)
{
case -1:// SOCKET_ERROR
break;
case 0: // Timeout
break;
default:// Checked sockets
if(FD_ISSET(s, &amp;socket_fd_set))
status = 1;
// Writeable
else
status = 0;// Unwriteable
break;
}
break;
case 'x': // Check readability
status = select(s+1, NULL, NULL, &amp;socket_fd_set, &amp;timeout_timeval);
switch(status)
{
case -1:// SOCKET_ERROR
break;
case 0: // Timeout
break;
default:// Checked sockets
if(FD_ISSET(s, &amp;socket_fd_set))
status = 1;
// Readable
else
status = 0;// Unreadable
}
break;
default: // Uknown status
status = -2;
break;
}
return status;
}
 
#include <windows.h>
#pragma comment (lib, "ws2_32")
#include <stdio.h>
#include <string.h>
#define TIMEOUT 5
//#include "http.h"
FILE *pf;
CRITICAL_SECTION cs;
BOOL flag = true;
int cou = 0;
int SocketStatus(SOCKET s, char x, long timeout);
DWORD WINAPI SndFun(LPVOID pvoid);

int main(int argc, char *argv[])
{
DWORD dTime_start = GetTickCount();

//printf("/n%u/n",GetTickCount() - dTime_start);
//int co;
//scanf("%d", &amp;co);
WORD wVersionRequest = MAKEWORD(2, 2);// [red]这里makeword带的两个参数什么意思啊?? [/red]
WSADATA wsaData;//The WSADATA structure is used to store Windows Sockets
//initialization information returned by a call to the AfxSocketInit global function.

WSAStartup(wVersionRequest, &amp;wsaData);//现在是加载Winsock库，如果WSAStartup（）函数返回值为0，说明加载成功，程序可以继续
//往下执行

if (wsaData.wVersion != wVersionRequest)//[red]为什么要看是否相等??[/red] {
printf("the version is wrong");
return 0;//加载的winsock库不成功
}

struct sockaddr_in server_addr;//[red]这里是什么意思??[/red]
memset(&amp;server_addr, 0, sizeof(sockaddr_in));//memset用来对一段内存空间全部设置为某个字符，一般用在对定义的字符串进行初始化为‘ ’或‘/0’;
//这里将所有的sockaddr_in的内存初始化为0
[red]server_addr.sin_addr.S_un.S_addr[/red] = inet_addr("211.83.121.88");
//这个是什么??还有下面的server_addr.sin_family也不知道是什么
server_addr.sin_family = 2;
server_addr.sin_port = htons(80);
//61.152.157.72
int threadnum = 10;
DWORD threadid;
HANDLE hThd[64];

pf = fopen("data_wang.txt", "r");//这个txt文件在哪个文件夹里的?
//做什么用的?是不是记录扫描的结果?
if (pf == NULL)
{
printf("open data wrong/n");
return 0;
}
InitializeCriticalSection(&amp;cs);//初始化一个临界区


for (int i=0;
i<64;
i++)
{
hThd = CreateThread(NULL, 0, SndFun, &amp;server_addr, 0, &amp;threadid);
}

/*FILE *pf;
pf = fopen("wang.txt", "r");
char test1[50];
char test2[10];
fgets(test1, 50, pf);

printf(test1);
fgets(test2, 10, pf);
// the next enter
printf(test2);
fclose(pf);*/
WaitForMultipleObjects(64, hThd, TRUE, INFINITE);

fclose(pf);
printf("/n%u/n",GetTickCount() - dTime_start);

return 1;

}

DWORD WINAPI SndFun(LPVOID pvoid)
{


while (1)
{
char buffer_rcv[65536] = {0};

char buffer_snd[206] = {0};
SOCKET client_socket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);

int timeout = TIMEOUT*1000;
// Send time out
setsockopt(client_socket, SOL_SOCKET, SO_SNDTIMEO,(char *)&amp;timeout,sizeof(timeout));

timeout = TIMEOUT*1000;
// Receive time out
setsockopt(client_socket, SOL_SOCKET, SO_RCVTIMEO,(char *)&amp;timeout,sizeof(timeout));

unsigned long argp = 1; // Set 0:blocking or 1:nonblocking mode socket
ioctlsocket(client_socket, FIONBIO, &amp;argp);

/*struct fd_set socket_fd_set;
struct timeval timeout_timeval;
timeout_timeval.tv_sec = 2;
//wait out!
timeout_timeval.tv_usec = 0;
FD_ZERO(&amp;socket_fd_set);
FD_SET(client_socket, &amp;socket_fd_set);*/
sockaddr *server_addr = (sockaddr *)pvoid;
connect(client_socket, server_addr, sizeof(sockaddr_in));
int status = SocketStatus(client_socket, 'w', TIMEOUT);
//status: 0: timeout;
//....... -1: wrong;
//....... >0: right;
//select(client_socket+1, NULL, &amp;socket_fd_set, NULL, &amp;timeout_timeval);

if (status<=0)
{
printf("sokcetstatus(w) error/n");
closesocket(client_socket);
return 0;
}

/*status = SocketStatus(client_socket, 'r', 0);
if (status<0)
{
printf("sokcetstatus(r) error/n");
closesocket(client_socket);
return 0;
}
if (status>0)
{
recv(client_socket, buffer_rcv, sizeof(buffer_rcv), 0);
printf(buffer_rcv);
}*/
/*status = SocketStatus(client_socket, 'w', TIMEOUT*2);
if (status<=0)
{
printf("sokcetstatus(w) error/n");
closesocket(client_socket);
return 0;
}*/

//strncat(buffer_snd, " HTTP/1.0/x0D/x0A/x0D/x0A", sizeof(buffer_snd));
EnterCriticalSection(&amp;cs);
if (flag) fgets(buffer_snd, 206, pf);
else
goto tt;

if (!strcmp(buffer_snd, "$end$")) {flag = false;
goto tt;}
LeaveCriticalSection(&amp;cs);

strncat(buffer_snd, "/x0D/x0A", sizeof(buffer_snd));
int packet_length = strlen(buffer_snd);
send(client_socket, buffer_snd, packet_length, 0); //
/*fseek(pfile, 0, SEEK_END);
fwrite(buffer_snd, 1, packet_length, pfile);

printf(buffer_snd);
printf("/n");*/

//printf(buffer_snd);
//printf("/n");
status = SocketStatus(client_socket, 'r', 2);
if (status<0)
{
printf("sokcetstatus(r) error/n");
closesocket(client_socket);
return 0;
}
int count = recv(client_socket, buffer_rcv, sizeof(buffer_rcv), 0);

/*fseek(pfile, 0, SEEK_END);
fwrite(buffer_rcv, 1, count, pfile);*/

//printf(buffer_rcv);
//printf("/n");
//if (strstr(buffer_rcv, "DAV: ")!=NULL) printf("the result: have dav hole./n");
//else
printf("the result: not have dav hole./n");
//HTTP_HEAD *http_head;
//http_head = (HTTP_HEAD *)buffer_rcv;
//printf("%d/n",atoi(http_head->status_n));
closesocket(client_socket);
}

tt: LeaveCriticalSection(&amp;cs);

return 1;
}

int SocketStatus(SOCKET s, char x, long timeout)
{
struct timeval timeout_timeval;
timeout_timeval.tv_sec = timeout;
timeout_timeval.tv_usec = 0;
struct fd_set socket_fd_set;
FD_ZERO(&amp;socket_fd_set);
FD_SET(s, &amp;socket_fd_set);
int status;
switch(x)
{
case 'r': // Check readability
status = select(s+1, &amp;socket_fd_set, NULL, NULL, &amp;timeout_timeval);
switch(status)
{
case -1:// SOCKET_ERROR
break;
case 0: // Timeout
break;
default:// Checked sockets
if(FD_ISSET(s, &amp;socket_fd_set))
status = 1;
// Readable
else
status = 0;// Unreadable
}
break;

case 'w': // Check writebility
status = select(s+1, NULL, &amp;socket_fd_set, NULL, &amp;timeout_timeval);
switch(status)
{
case -1:// SOCKET_ERROR
break;
case 0: // Timeout
break;
default:// Checked sockets
if(FD_ISSET(s, &amp;socket_fd_set))
status = 1;
// Writeable
else
status = 0;// Unwriteable
break;
}
break;
case 'x': // Check readability
status = select(s+1, NULL, NULL, &amp;socket_fd_set, &amp;timeout_timeval);
switch(status)
{
case -1:// SOCKET_ERROR
break;
case 0: // Timeout
break;
default:// Checked sockets
if(FD_ISSET(s, &amp;socket_fd_set))
status = 1;
// Readable
else
status = 0;// Unreadable
}
break;
default: // Uknown status
status = -2;
break;
}
return status;
}
 
一个下午就看了前面一半,还是似懂非懂的,请那位高手解释一下这个程序啊,不深感激!!!
 
你应该看帮助的
看函数是怎么定义的
或者用GOOGLE.COM
搜索一下
就有结果了
 
我刚才看了有很多介绍 关于
MAKEWORD()
函数的
其他的就更不用说了
在论坛上问问提还不如先搜索一下来得快
大脑大脑 是用来思考的
 
先看看WinSock原理先，比看代码强
 
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