int main(int argc, char* argv)
{
SOCKET s;
struct protoent *pp;
int rc;
char icmpdg[1024];
pp = getprotobyname("icmp");
if (pp == NULL){
printf("getprotobyname failed, errno %d.\n", errno);
exit(errno);
}
s = socket(AF_INET, SOCK_RAW, pp->p_proto);
if (!IS_VALID_SOCK(s)){
printf("socket RAW failed, errno %d.\n", errno);
exit(errno);
}
for(;;)
{
rc = recvfrom(s, icmpdg, sizeof(icmpdg), 0, NULL, NULL);
if (rc < 0){
printf("recvfrom failed, errno %d.\n", errno);
exit(errno);
}
//printf("(%d bytes)%s\n", rc, icmpdg);
print_dg(icmpdg, rc);
}
return 0;
}
/* main - initialization and event loop */
int main( int argc, char **argv )
{
SOCKET s;
struct protoent *pp;
int rc;
char icmpdg[ 1024 ];
INIT();
pp = getprotobyname( "icmp" );
if ( pp == NULL )
error( 1, errno, "getprotobyname failed" );
s = socket( AF_INET, SOCK_RAW, pp->p_proto );
if ( !isvalidsock( s ) )
error( 1, errno, "socket failed" );
for ( ;; )
{
rc = recvfrom( s, icmpdg, sizeof( icmpdg ), 0,
NULL, NULL );
if ( rc < 0 )
error( 1, errno, "recvfrom failed" );
print_dg( icmpdg, rc );
}
}
