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#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <signal.h>
void ignore(int a) {}
int main(int argc,char *argv[]) {
int i;
struct sockaddr sa;
signal(SIGALRM,exit);
alarm(10);
unsigned int sl=sizeof(sa);
char host[256];
char serv[256];
char iface[256];
char *name[16];
getpeername(0,&sa,&sl);
//this function is nifty as shit.
getnameinfo(&sa,sl,host,256,serv,256,NI_NUMERICHOST);
printf("connecting from: %s port %s\n",host,serv);
fflush(stdout);
printf("select interface:\n");
fflush(stdout);
system("/bin/cat /etc/interfaces | /usr/bin/tr '\n' ' ' | /usr/bin/fold");
fflush(stdout);
fgets(iface,sizeof(iface)-1,stdin);
for(i=0;iface[i];i++) {
if((iface[i] >= 'a' && iface[i] <= 'z') || (iface[i] >= '0' && iface[i] <= '9')) {
} else {
iface[i]=0;
}
}
alarm(60);
name[0]="/usr/sbin/tcpdump";
name[1]="-c10";
name[2]="-ni";
name[3]=iface;
name[4]="host";
name[5]=host;
name[6]="and";
name[7]="proto";
name[8]="UDP";
name[9]=0;
execv(name[0],name);
return printf("shit fucked.\n");
}
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