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icmp_sniff.cc

/*** Simple ICMP-monitor. GPL.
 *** 
 ***/
#include <iostream.h>
#include <string.h>
#include <usi++/usi++.h>

int main(int argc, char **argv)
{
        ICMP icmp("127.0.0.1");
        char buf[1000] = {0}, src[1000], dst[1000];
        int i = 0;
                
        if (argc < 2) {
                cout<<argv[0]<<" [intf]\n";
                exit(1);
        }
        icmp.init_device(argv[1], 1, 500);
        
//      icmp.setfilter("icmp");
        char smac[100], dmac[100];
        while(1){
                memset(buf,0,1000);
                // blocks
                cout<<icmp.sniffpack(buf, 1000)<<endl;
#ifdef PRINT_MAC                
                cout<<"["<<icmp.get_hwsrc(smac, 100)<<"->"<<icmp.get_hwdst(dmac, 100)<<"]:";
#endif
                cout<<"type:"<<(int)icmp.get_type()<<" ["<<icmp.get_src(1, src, 1000)<<" -> "
                    <<icmp.get_dst(1, dst, 1000)<<"] "<<"seq: "<<icmp.get_seq()
                    <<" ttl: "<<(int)icmp.get_ttl()<<" id: "<<icmp.get_icmpId()<<endl;
                    //<<buf<<endl;
                
        }
        return 0;
}

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