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      1 /*	$NetBSD: namedb.h,v 1.6 2024/09/02 15:33:39 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1994, 1996
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the Computer Systems
     18  *	Engineering Group at Lawrence Berkeley Laboratory.
     19  * 4. Neither the name of the University nor of the Laboratory may be used
     20  *    to endorse or promote products derived from this software without
     21  *    specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #ifndef lib_pcap_namedb_h
     37 #define lib_pcap_namedb_h
     38 
     39 #include <stdio.h>		/* FILE */
     40 
     41 #include <pcap/funcattrs.h>
     42 
     43 #ifdef __cplusplus
     44 extern "C" {
     45 #endif
     46 
     47 /*
     48  * As returned by the pcap_next_etherent()
     49  * XXX this stuff doesn't belong in this interface, but this
     50  * library already must do name to address translation, so
     51  * on systems that don't have support for /etc/ethers, we
     52  * export these hooks since they're already being used by
     53  * some applications (such as tcpdump) and already being
     54  * marked as exported in some OSes offering libpcap (such
     55  * as Debian).
     56  */
     57 struct pcap_etherent {
     58 	u_char addr[6];
     59 	char name[122];
     60 };
     61 #ifndef PCAP_ETHERS_FILE
     62 #define PCAP_ETHERS_FILE "/etc/ethers"
     63 #endif
     64 
     65 PCAP_AVAILABLE_0_4
     66 PCAP_API struct	pcap_etherent *pcap_next_etherent(FILE *);
     67 
     68 PCAP_AVAILABLE_0_4
     69 PCAP_API u_char *pcap_ether_hostton(const char*);
     70 
     71 PCAP_AVAILABLE_0_4
     72 PCAP_API u_char *pcap_ether_aton(const char *);
     73 
     74 PCAP_AVAILABLE_0_4
     75 PCAP_API
     76 PCAP_DEPRECATED("this is not reentrant; use 'pcap_nametoaddrinfo' instead")
     77 bpf_u_int32 **pcap_nametoaddr(const char *);
     78 
     79 PCAP_AVAILABLE_0_7
     80 PCAP_API struct addrinfo *pcap_nametoaddrinfo(const char *);
     81 
     82 PCAP_AVAILABLE_0_4
     83 PCAP_API bpf_u_int32 pcap_nametonetaddr(const char *);
     84 
     85 PCAP_AVAILABLE_0_4
     86 PCAP_API int	pcap_nametoport(const char *, int *, int *);
     87 
     88 PCAP_AVAILABLE_0_9
     89 PCAP_API int	pcap_nametoportrange(const char *, int *, int *, int *);
     90 
     91 PCAP_AVAILABLE_0_4
     92 PCAP_API int	pcap_nametoproto(const char *);
     93 
     94 PCAP_AVAILABLE_0_4
     95 PCAP_API int	pcap_nametoeproto(const char *);
     96 
     97 PCAP_AVAILABLE_0_9
     98 PCAP_API int	pcap_nametollc(const char *);
     99 
    100 /*
    101  * If a protocol is unknown, PROTO_UNDEF is returned.
    102  * Also, pcap_nametoport() returns the protocol along with the port number.
    103  * If there are ambiguous entries in /etc/services (i.e. domain
    104  * can be either tcp or udp) PROTO_UNDEF is returned.
    105  */
    106 #define PROTO_UNDEF		-1
    107 
    108 #ifdef __cplusplus
    109 }
    110 #endif
    111 
    112 #endif
    113