get_hostfile_hostname_ipaddr(char *hostname, struct sockaddr *hostaddr,
    u_short port, char **hostfile_hostname, char **hostfile_ipaddr)
{
	char ntop[NI_MAXHOST];
	socklen_t addrlen;

	switch (hostaddr == NULL ? -1 : hostaddr->sa_family) {
	case -1:
		addrlen = 0;
		break;
	case AF_INET:
		addrlen = sizeof(struct sockaddr_in);
		break;
	case AF_INET6:
		addrlen = sizeof(struct sockaddr_in6);
		break;
	default:
		addrlen = sizeof(struct sockaddr);
		break;
	}

	/*
	 * We don't have the remote ip-address for connections
	 * using a proxy command
	 */
	if (hostfile_ipaddr != NULL) {
		if (options.proxy_command == NULL) {
			if (getnameinfo(hostaddr, addrlen,
			    ntop, sizeof(ntop), NULL, 0, NI_NUMERICHOST) != 0)
			fatal("check_host_key: getnameinfo failed");
			*hostfile_ipaddr = put_host_port(ntop, port);
		} else {
			*hostfile_ipaddr = xstrdup("<no hostip for proxy "
			    "command>");
		}
	}

	/*
	 * Allow the user to record the key under a different name or
	 * differentiate a non-standard port.  This is useful for ssh
	 * tunneling over forwarded connections or if you run multiple
	 * sshd's on different ports on the same machine.
	 */
	if (hostfile_hostname != NULL) {
		if (options.host_key_alias != NULL) {
			*hostfile_hostname = xstrdup(options.host_key_alias);
			debug("using hostkeyalias: %s", *hostfile_hostname);
		} else {
			*hostfile_hostname = put_host_port(hostname, port);
		}
	}
}
get_hostfile_hostname_ipaddr(char *hostname, struct sockaddr *hostaddr,
    u_short port, char **hostfile_hostname, char **hostfile_ipaddr)
{
	char ntop[NI_MAXHOST];
	socklen_t addrlen;

	switch (hostaddr == NULL ? -1 : hostaddr->sa_family) {
	case -1:
		addrlen = 0;
		break;
	case AF_INET:
		addrlen = sizeof(struct sockaddr_in);
		break;
	case AF_INET6:
		addrlen = sizeof(struct sockaddr_in6);
		break;
	default:
		addrlen = sizeof(struct sockaddr);
		break;
	}

	 
	if (hostfile_ipaddr != NULL) {
		if (options.proxy_command == NULL) {
			if (getnameinfo(hostaddr, addrlen,
			    ntop, sizeof(ntop), NULL, 0, NI_NUMERICHOST) != 0)
			fatal("check_host_key: getnameinfo failed");
			*hostfile_ipaddr = put_host_port(ntop, port);
		} else {
			*hostfile_ipaddr = xstrdup("<no hostip for proxy "
			    "command>");
		}
	}

	 
	if (hostfile_hostname != NULL) {
		if (options.host_key_alias != NULL) {
			*hostfile_hostname = xstrdup(options.host_key_alias);
			debug("using hostkeyalias: %s", *hostfile_hostname);
		} else {
			*hostfile_hostname = put_host_port(hostname, port);
		}
	}
}