#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+
#include "ares.h"
#include "ares_dns.h"
+#include "inet_ntop.h"
+#include "inet_net_pton.h"
#ifndef INADDR_NONE
#define INADDR_NONE 0xffffffff
#endif
+#ifndef HAVE_STRUCT_IN6_ADDR
+struct in6_addr
+{
+ unsigned char s6_addr[16];
+};
+#endif
+
static void callback(void *arg, int status, struct hostent *host);
static void usage(void);
int status, nfds;
fd_set read_fds, write_fds;
struct timeval *tvp, tv;
- struct in_addr addr;
+ struct in_addr addr4;
+ struct in6_addr addr6;
#ifdef WIN32
WORD wVersionRequested = MAKEWORD(1,1);
/* Initiate the queries, one per command-line argument. */
for (argv++; *argv; argv++)
{
- addr.s_addr = inet_addr(*argv);
- if (addr.s_addr == INADDR_NONE)
- ares_gethostbyname(channel, *argv, AF_INET, callback, *argv);
- else
+ if (ares_inet_pton(AF_INET, *argv, &addr4) == 1)
+ {
+ ares_gethostbyaddr(channel, &addr4, sizeof(addr4), AF_INET, callback,
+ *argv);
+ }
+ else if (ares_inet_pton(AF_INET6, *argv, &addr6) == 1)
{
- ares_gethostbyaddr(channel, &addr, sizeof(addr), AF_INET, callback,
+ ares_gethostbyaddr(channel, &addr6, sizeof(addr6), AF_INET6, callback,
*argv);
}
+ else
+ {
+ /* assume user wants A-records */
+ ares_gethostbyname(channel, *argv, AF_INET, callback, *argv);
+ }
}
/* Wait for all queries to complete. */
static void callback(void *arg, int status, struct hostent *host)
{
- struct in_addr addr;
char **p;
if (status != ARES_SUCCESS)
for (p = host->h_addr_list; *p; p++)
{
- memcpy(&addr, *p, sizeof(struct in_addr));
- printf("%-32s\t%s\n", host->h_name, inet_ntoa(addr));
+ char addr_buf[46] = "??";
+
+ ares_inet_ntop(host->h_addrtype, *p, addr_buf, sizeof(addr_buf));
+ printf("%-32s\t%s", host->h_name, addr_buf);
+#if 0
+ if (host->h_aliases[0])
+ {
+ int i;
+
+ printf (", Aliases: ");
+ for (i = 0; host->h_aliases[i]; i++)
+ printf("%s ", host->h_aliases[i]);
+ }
+#endif
+ puts("");
}
}