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-rw-r--r--libxtables/xtables.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/libxtables/xtables.c b/libxtables/xtables.c
index c5b38890..d43f9706 100644
--- a/libxtables/xtables.c
+++ b/libxtables/xtables.c
@@ -1210,13 +1210,20 @@ const char *xtables_ipaddr_to_numeric(const struct in_addr *addrp)
static const char *ipaddr_to_host(const struct in_addr *addr)
{
- struct hostent *host;
+ static char hostname[NI_MAXHOST];
+ struct sockaddr_in saddr = {
+ .sin_family = AF_INET,
+ .sin_addr = *addr,
+ };
+ int err;
- host = gethostbyaddr(addr, sizeof(struct in_addr), AF_INET);
- if (host == NULL)
+
+ err = getnameinfo((const void *)&saddr, sizeof(struct sockaddr_in),
+ hostname, sizeof(hostname) - 1, NULL, 0, 0);
+ if (err != 0)
return NULL;
- return host->h_name;
+ return hostname;
}
static const char *ipaddr_to_network(const struct in_addr *addr)