portsScan.c
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#include <stdio.h>
#include <conio.h>
#include <winsock.h>
int intThreadNum=0;
int intTimeOut;
FILE *fp;
struct THREADINFO
{ char strHost[20];
int intCurPort;
};
DWORD doCheck(LPVOID pParam)
{
SOCKET sockfd;
SOCKADDR_IN addr;
TIMEVAL timeout;
FD_SET mask;
u_long value;
struct THREADINFO* thdCur=(struct THREADINFO*)pParam;
value=wherey();
printf("Scan %s:%d/n",thdCur->strHost,thdCur->intCurPort);
gotoxy(1,value);
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if(sockfd==INVALID_SOCKET)
{ printf("Socket error!/n");
intThreadNum--;
return(0);
}
value=1;
ioctlsocket(sockfd,FIONBIO,&value);
addr.sin_family = AF_INET;
addr.sin_port = htons(thdCur->intCurPort);
addr.sin_addr.s_addr = inet_addr(thdCur->strHost);
connect(sockfd,(struct sockaddr *) &addr, sizeof(addr));
timeout.tv_sec=intTimeOut;
timeout.tv_usec=0;
FD_ZERO(&mask);
FD_SET(sockfd,&mask);
value=select(sockfd+1,NULL,&mask,NULL,&timeout);
if(value==0 || value==-1)
{ closesocket(sockfd);
intThreadNum--;
return(0);
}
printf("Found %s:%d /n",thdCur->strHost,thdCur->intCurPort);
fprintf(fp,"%s:%d/n",thdCur->strHost,thdCur->intCurPort);
fflush(fp);
intThreadNum--;
closesocket(sockfd);
return(1);
}
int main(int argc, char *argv[])
{
char *p;
u_long startIP,endIP;
WSADATA wsaData;
IN_ADDR serverIP;
DWORD dwThreadID;
struct THREADINFO thdINFO[300];
int i,j,intMAXThread,startPort,endPort,intPort[100],intPortCount=-1;
printf("Dotpot Port Scanner Ver 0.92(Test Version,Not contain ping fuction)/nPowered by Dotpot Workstudio,2001. Copyleft,No rights reserved./nPlease visit Armament Shop(http://arm.533.net) for last version./n/n");
if(argc<3 || argc>5)
{ printf("Usage: %s <startIP>[endIP] <port1-port2|port1,port2,...> [thread] [timeout]/nNotes: [thread] must be a integer between 5 to 300,default is 60./n/t[timeout] must be a integer between 1 to 4,default is 1s./n/tAll arguments(if in use) must be in order./n/tAll available results will append to DPPS.TXT./n eg.: %s 127.0.0.1 1-65535 100/n/t%s 127.0.0.1 21,23,25,80,135,3389/n/t%s 192.168.0.1-192.168.10.254 1-65535/n/t%s 192.168.0.1-192.168.10.1 21,23,25,79,80,135/n",
argv[0],argv[0],argv[0],argv[0],argv[0]);
return(1);
}
if(strchr(argv[1],'-'))
{for(p=argv[1];p;p++)
if(*p=='-')
{
*p++='/0';
endIP=ntohl(inet_addr(p));
break;
}
}
else endIP=ntohl(inet_addr(argv[1]));
startIP=ntohl(inet_addr(argv[1]));
if((startIP==INADDR_NONE)&&(endIP==INADDR_NONE))
{ printf("IP address Error!/n");
return(2);
}
if(startIP>endIP)
{ i=startIP;
startIP=endIP;
endIP=i;
}
p=argv[2];
if(strstr(argv[2],"-"))
{ startPort=atoi(argv[2]);
for(;*p;)
if(*(p++)=='-')break;
endPort=atoi(p);
if(startPort>endPort)
{ j=startPort;
startPort=endPort;
endPort=startPort;
}
if(startPort<1 || endPort>65535)
{ printf("Port Error!/n");
return(3);
}
}
else
{ intPort[0]=atoi(p);
intPortCount++;
for(i=0;*p && (i<100);)
{ if(*(p++)==',')
{ if(intPort[i]<1 || intPort[i]>65535)
{ printf("Port Error!/n");
return(3);
}
i++;
intPort[i]=atoi(p);
intPortCount++;
}
}
}
if(argc==4)
{ intMAXThread=atoi(argv[3]);
if(intMAXThread<5) intTimeOut=intMAXThread;
}
if(argc==5)
{ intMAXThread=atoi(argv[3]);
intTimeOut=atoi(argv[4]);
}
if(intMAXThread<5 || intMAXThread>300) intMAXThread=60;
if(intTimeOut<1 || intTimeOut>4) intTimeOut=1;
/*thdINFO=calloc(intMAXThread,sizeof(struct THREADINFO *));
if(thdINFO==NULL)
{ printf("Could not allocate memory!/n");
return(4);
}*/
if(!(fp=fopen("DPPS.TXT","a")))
{ printf("Could not create log file: DPPS.TXT!/n");
return(5);
}
if (WSAStartup(MAKEWORD(1, 1), &wsaData) < 0)
{ printf("Could not init Windows Socket!/n");
return(6);
}
serverIP.s_addr=htonl(startIP);
printf("Scan form %s to ",inet_ntoa(serverIP));
serverIP.s_addr=htonl(endIP);
printf("%s/tPort: ",inet_ntoa(serverIP));
if(intPortCount!=-1)
{ for(i=0;i<=intPortCount;i++)printf("%d ",intPort[i]);
j=intPort[0];
}
else
{ j=startPort;
printf("%d to %d",startPort,endPort);
}
printf("/n----------------------------------------------------------/n");
i=startIP;
int k=0;
while(i<=endIP)
{
if(((i % 256)==0)||((i % 256)==255)){i++;continue;}
if(intThreadNum<intMAXThread)
{
serverIP.s_addr=htonl(i);
strcpy(thdINFO[intThreadNum].strHost,inet_ntoa(serverIP));
thdINFO[intThreadNum].intCurPort=j;
CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)doCheck,(LPVOID)&thdINFO[intThreadNum],0,&dwThreadID);
//doCheck((LPVOID)&thdINFO[intThreadNum]);
intThreadNum++;
if(intPortCount!=-1)
{ if(j==intPort[intPortCount])
{
j=intPort[0];
i++;
k=0;
}
else j=intPort[++k];
}
else
{ if(j==endPort){
j=startPort;
i++;
}
else
{
j++;
}
}
}
}
for(i=0;i<100;i++)
{ if(!intThreadNum)break;
Sleep(100);
}
printf("/n----------------------------------------------------------/nPort scan complete.");
fclose(fp);
WSACleanup();
if(intThreadNum)
printf("/nBut there are %d threads faild./nPlease decrease thread number next time./n",intThreadNum);
else
printf(" All threads exit successfully./n");
return(0);
}