Exemple #1
0
/* ________________________________________________________________________ */
int main(int argc, char **argv)
{
        struct hostent *host = NULL;

#if 0
        res_init();
        server_print();
#endif
        
        host = gethostbyaddr_wrapper(argv[1]);
        if (host) {
            printf("Server :::::::::>>   %s\n", host->h_name);
            /* addr_list_fprint(host->h_addr_list); */
        }
        else
            printf("Server :::::::::>>   Host not found\n");
        return EXIT_SUCCESS;
#if 0
        if (is_ip_address(argv[1])) 
        {
            host = gethostbyaddr_wrapper(argv[1]);
        }
        else 
        {
            host = gethostbyname(argv[1]);
        }
        hostent_fprint(host, 0);
        return EXIT_SUCCESS;
#endif
}
Exemple #2
0
/* ________________________________________________________________________ */
int nslookup_main(int argc, char **argv)
{
	struct hostent *host;

	/*
	* initialize DNS structure _res used in printing the default
	* name server and in the explicit name server option feature.
	*/
	
	res_init();

	/*
	* We allow 1 or 2 arguments. 
	* The first is the name to be looked up and the second is an 
	* optional DNS server with which to do the lookup. 
	* More than 3 arguments is an error to follow the pattern of the
	* standard nslookup
	*/

	if (argc < 2 || *argv[1]=='-' || argc > 3) 
		bb_show_usage();
	else if(argc == 3) 
		set_default_dns(argv[2]);

	server_print();
	if (is_ip_address(argv[1])) {
		host = gethostbyaddr_wrapper(argv[1]);
	} else {
		host = xgethostbyname(argv[1]);
	}
	hostent_fprint(host, "Name:  ");
	return EXIT_SUCCESS;
}
Exemple #3
0
/* lookup the default nameserver and display it */
static inline void server_print(void)
{
        struct sockaddr_in def = _res.nsaddr_list[0];
        char *ip = inet_ntoa(def.sin_addr);

        hostent_fprint(gethostbyaddr_wrapper(ip), 1);
        printf("\n");
}
/* ________________________________________________________________________ */
int nslookup_main(int argc, char **argv)
{
	struct hostent *host;

	if (argc < 2 || *argv[1]=='-') {
		show_usage();
	}

	res_init();
	server_print();
	if (is_ip_address(argv[1])) {
		host = gethostbyaddr_wrapper(argv[1]);
	} else {
		host = gethostbyname(argv[1]);
	}
	hostent_fprint(host, 0);
	return EXIT_SUCCESS;
}