1 #include<iostream>
2 #include<string.h>
3 #include<sys/types.h>
4 #include<sys/socket.h>
5 #include<arpa/inet.h>
6 #include<unistd.h>
7 using namespace std;
8
9 int main(int argc,char *argv[])
10 {
11 int s;
12 struct sockaddr_in server_addr;
13
14 s=socket(AF_INET,SOCK_STREAM,0);
15 if(s<0){
16 cout<<"Init socket error"<<endl;
17 return -1;
18 }
19
20 bzero(&server_addr,sizeof(server_addr));
21 server_addr.sin_family=AF_INET;
22 inet_pton(AF_INET, argv[1], &server_addr.sin_addr);
23
24 for(int port=1;port<=65534;port++)
25 {
26 server_addr.sin_port=htons(port);
27 int err=connect(s,(struct sockaddr*)&server_addr,sizeof(server_addr));
28 if(err!=-1){
29 cout<<port<<":"<<"true"<<endl;
30 }
31 }
32 return 0;
33 }
