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      1 /*	$NetBSD: valid_hostname.h,v 1.2 2023/12/23 20:30:46 christos Exp $	*/
      2 
      3 #ifndef _VALID_HOSTNAME_H_INCLUDED_
      4 #define _VALID_HOSTNAME_H_INCLUDED_
      5 
      6 /*++
      7 /* NAME
      8 /*	valid_hostname 3h
      9 /* SUMMARY
     10 /*	validate hostname
     11 /* SYNOPSIS
     12 /*	#include <valid_hostname.h>
     13 /* DESCRIPTION
     14 /* .nf
     15 
     16  /* External interface */
     17 
     18 #define VALID_HOSTNAME_LEN	255	/* RFC 1035 */
     19 #define VALID_LABEL_LEN		63	/* RFC 1035 */
     20 
     21 #define DONT_GRIPE		0
     22 #define DO_GRIPE		1
     23 #define DONT_WILDCARD		0
     24 #define DO_WILDCARD		(1<<1)
     25 
     26 extern int valid_hostname(const char *, int);
     27 extern int valid_hostaddr(const char *, int);
     28 extern int valid_ipv4_hostaddr(const char *, int);
     29 extern int valid_ipv6_hostaddr(const char *, int);
     30 extern int valid_hostport(const char *, int);
     31 
     32 /* LICENSE
     33 /* .ad
     34 /* .fi
     35 /*	The Secure Mailer license must be distributed with this software.
     36 /* AUTHOR(S)
     37 /*	Wietse Venema
     38 /*	IBM T.J. Watson Research
     39 /*	P.O. Box 704
     40 /*	Yorktown Heights, NY 10598, USA
     41 /*--*/
     42 
     43 #endif
     44