int
main(int argc, char *argv[])
{
int ch, i, r;
uint16_t type = T_A;
char buf[1024], *host;
while((ch = getopt(argc, argv, "R:et:")) != -1) {
switch(ch) {
case 'R':
parseresopt(optarg);
break;
case 'e':
long_err += 1;
break;
case 't':
if ((type = strtotype(optarg)) == 0)
usage();
break;
default:
usage();
/* NOTREACHED */
}
}
argc -= optind;
argv += optind;
for (i = 0; i < argc; i++) {
if (i)
printf("\n");
printf("===> \"%s\"\n", argv[i]);
host = gethostarg(argv[i]);
errno = 0;
h_errno = 0;
gai_errno = 0;
rrset_errno = 0;
r = res_mkquery(QUERY, host, C_IN, type, NULL, 0, NULL, buf, sizeof(buf));
if (r != -1) {
dump_packet(buf, r);
printf(";; MSG SIZE %i\n", r);
}
print_errors();
}
return (0);
}
int
main(int argc, char *argv[])
{
int i, ch, nflag = 0;
struct netent *n;
char *host;
while((ch = getopt(argc, argv, "en")) != -1) {
switch(ch) {
case 'e':
long_err += 1;
break;
case 'n':
nflag = 1;
break;
default:
usage();
/* NOTREACHED */
}
}
argc -= optind;
argv += optind;
for(i = 0; i < argc; i++) {
if (i)
printf("\n");
printf("===> \"%s\"\n", argv[i]);
host = gethostarg(argv[i]);
errno = 0;
h_errno = 0;
gai_errno = 0;
rrset_errno = 0;
if (nflag)
n = getnetbyname(host);
else
n = getnetbyaddr(inet_network(host), AF_INET);
if (n)
print_netent(n);
print_errors();
}
return (0);
}
int
main(int argc, char *argv[])
{
struct timeval start, end;
time_t when;
int ch, i, qflag, dflag, r;
uint16_t type = T_A;
char buf[1024], *host;
dflag = 0;
qflag = 0;
while((ch = getopt(argc, argv, "deqt:")) != -1) {
switch(ch) {
case 'd':
dflag = 1;
break;
case 'e':
long_err += 1;
break;
case 'q':
qflag = 1;
break;
case 't':
if ((type = strtotype(optarg)) == 0)
usage();
break;
default:
usage();
/* NOTREACHED */
}
}
argc -= optind;
argv += optind;
for (i = 0; i < argc; i++) {
if (i)
printf("\n");
printf("===> \"%s\"\n", argv[i]);
host = gethostarg(argv[i]);
errno = 0;
h_errno = 0;
gai_errno = 0;
rrset_errno = 0;
if (gettimeofday(&start, NULL) != 0)
err(1, "gettimeofday");
if (qflag)
r = res_query(host, C_IN, type, buf, sizeof(buf));
else
r = res_search(host, C_IN, type, buf, sizeof(buf));
if (gettimeofday(&end, NULL) != 0)
err(1, "gettimeofday");
if (r != -1) {
dump_packet(buf, r);
printf("\n");
if (dflag) {
printf(";; Query time: %d msec\n",
msec(start, end));
when = time(NULL);
printf(";; WHEN: %s", ctime(&when));
}
printf(";; MSG SIZE rcvd: %i\n", r);
}
print_errors();
}
return (0);
}
int
main(int argc, char *argv[])
{
struct addrinfo *ai, *res, hints;
char *servname = NULL, *host;
int i, ch;
memset(&hints, 0, sizeof hints);
while((ch = getopt(argc, argv, "CFHPSef:p:s:t:")) != -1) {
switch(ch) {
case 'C':
hints.ai_flags |= AI_CANONNAME;
break;
case 'F':
hints.ai_flags |= AI_FQDN;
break;
case 'H':
hints.ai_flags |= AI_NUMERICHOST;
break;
case 'P':
hints.ai_flags |= AI_PASSIVE;
break;
case 'S':
hints.ai_flags |= AI_NUMERICSERV;
break;
case 'e':
long_err += 1;
break;
case 'f':
if (!strcmp(optarg, "inet"))
hints.ai_family = AF_INET;
else if (!strcmp(optarg, "inet6"))
hints.ai_family = AF_INET6;
else
usage();
break;
case 'p':
if (!strcmp(optarg, "udp"))
hints.ai_protocol = IPPROTO_UDP;
else if (!strcmp(optarg, "tcp"))
hints.ai_protocol = IPPROTO_TCP;
else if (!strcmp(optarg, "icmp"))
hints.ai_protocol = IPPROTO_ICMP;
else if (!strcmp(optarg, "icmpv6"))
hints.ai_protocol = IPPROTO_ICMPV6;
else
usage();
break;
case 's':
servname = optarg;
break;
case 't':
if (!strcmp(optarg, "stream"))
hints.ai_socktype = SOCK_STREAM;
else if (!strcmp(optarg, "dgram"))
hints.ai_socktype = SOCK_DGRAM;
else if (!strcmp(optarg, "raw"))
hints.ai_socktype = SOCK_RAW;
else
usage();
break;
default:
usage();
/* NOTREACHED */
}
}
argc -= optind;
argv += optind;
for(i = 0; i < argc; i++) {
if (i)
printf("\n");
printf("===> \"%s\"\n", argv[i]);
host = gethostarg(argv[i]);
errno = 0;
h_errno = 0;
gai_errno = 0;
rrset_errno = 0;
gai_errno = getaddrinfo(host, servname, &hints, &ai);
print_errors();
if (gai_errno == 0) {
for (res = ai; res; res = res->ai_next)
print_addrinfo(res);
freeaddrinfo(ai);
}
}
return (0);
}
int
main(int argc, char *argv[])
{
int i, ch, aflag, family = AF_INET;
struct hostent *h;
char *host;
char addr[16];
int addrlen;
aflag = 0;
while((ch = getopt(argc, argv, "46ae")) != -1) {
switch(ch) {
case '4':
family = AF_INET;
break;
case '6':
family = AF_INET6;
break;
case 'a':
aflag = 1;
break;
case 'e':
long_err += 1;
break;
default:
usage();
/* NOTREACHED */
}
}
argc -= optind;
argv += optind;
for(i = 0; i < argc; i++) {
if (i)
printf("\n");
printf("===> \"%s\"\n", argv[i]);
host = gethostarg(argv[i]);
if (aflag && addr_from_str(addr, &family, &addrlen, host) == -1)
errx(1, "bad address");
errno = 0;
h_errno = 0;
gai_errno = 0;
rrset_errno = 0;
if (aflag == 0)
h = gethostbyname2(host, family);
else
h = gethostbyaddr(addr, addrlen, family);
if (h)
print_hostent(h);
print_errors();
}
return (0);
}
