/*      $NetBSD: namedb.h,v 1.6 2024/09/02 15:33:39 christos Exp $      */

/*
* Copyright (c) 1994, 1996
*      The Regents of the University of California.  All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
*    must display the following acknowledgement:
*      This product includes software developed by the Computer Systems
*      Engineering Group at Lawrence Berkeley Laboratory.
* 4. Neither the name of the University nor of the Laboratory may be used
*    to endorse or promote products derived from this software without
*    specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/

#ifndef lib_pcap_namedb_h
#define lib_pcap_namedb_h

#include <stdio.h>              /* FILE */

#include <pcap/funcattrs.h>

#ifdef __cplusplus
extern "C" {
#endif

/*
* As returned by the pcap_next_etherent()
* XXX this stuff doesn't belong in this interface, but this
* library already must do name to address translation, so
* on systems that don't have support for /etc/ethers, we
* export these hooks since they're already being used by
* some applications (such as tcpdump) and already being
* marked as exported in some OSes offering libpcap (such
* as Debian).
*/
struct pcap_etherent {
       u_char addr[6];
       char name[122];
};
#ifndef PCAP_ETHERS_FILE
#define PCAP_ETHERS_FILE "/etc/ethers"
#endif

PCAP_AVAILABLE_0_4
PCAP_API struct pcap_etherent *pcap_next_etherent(FILE *);

PCAP_AVAILABLE_0_4
PCAP_API u_char *pcap_ether_hostton(const char*);

PCAP_AVAILABLE_0_4
PCAP_API u_char *pcap_ether_aton(const char *);

PCAP_AVAILABLE_0_4
PCAP_API
PCAP_DEPRECATED("this is not reentrant; use 'pcap_nametoaddrinfo' instead")
bpf_u_int32 **pcap_nametoaddr(const char *);

PCAP_AVAILABLE_0_7
PCAP_API struct addrinfo *pcap_nametoaddrinfo(const char *);

PCAP_AVAILABLE_0_4
PCAP_API bpf_u_int32 pcap_nametonetaddr(const char *);

PCAP_AVAILABLE_0_4
PCAP_API int    pcap_nametoport(const char *, int *, int *);

PCAP_AVAILABLE_0_9
PCAP_API int    pcap_nametoportrange(const char *, int *, int *, int *);

PCAP_AVAILABLE_0_4
PCAP_API int    pcap_nametoproto(const char *);

PCAP_AVAILABLE_0_4
PCAP_API int    pcap_nametoeproto(const char *);

PCAP_AVAILABLE_0_9
PCAP_API int    pcap_nametollc(const char *);

/*
* If a protocol is unknown, PROTO_UNDEF is returned.
* Also, pcap_nametoport() returns the protocol along with the port number.
* If there are ambiguous entries in /etc/services (i.e. domain
* can be either tcp or udp) PROTO_UNDEF is returned.
*/
#define PROTO_UNDEF             -1

#ifdef __cplusplus
}
#endif

#endif