usr/src/lib/nsswitch/mdns/common/mdns_common.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #ifndef _MDNS_COMMON_H
  30 #define _MDNS_COMMON_H
  31
  32 #include <stdio.h>
  33 #include <ctype.h>
  34 #include <sys/types.h>
  35 #include <sys/socket.h>
  36 #include <netdb.h>
  37 #include <strings.h>
  38 #include <syslog.h>
  39 #include <sys/time.h>
  40 #include <sys/select.h>
  41 #include <netinet/in.h>
  42 #include <arpa/inet.h>
  43 #include <arpa/nameser.h>
  44 #include <nsswitch.h>
  45 #include <nss_common.h>
  46 #include <nss_dbdefs.h>
  47 #include <stdlib.h>
  48 #include <signal.h>
  49 #include <libscf.h>
  50 #include <dns_sd.h>
  51
  52 #ifdef  __cplusplus
  53 extern "C" {
  54 #endif
  55
  56 #define NSSMDNS_MAXQRYTMO       1
  57 #define NSSMDNS_MAXSRCHDMNS     6
  58 #define NSSMDNS_MAXVALIDDMNS    10
  59
  60 #define SMF_MDNS_FMRI "svc:/network/dns/multicast:default"
  61 #define SMF_NSSMDNSCFG_PROPGRP "nss_mdns_config"
  62 #define SMF_NSSMDNSCFG_SRCHPROP "search"
  63 #define SMF_NSSMDNSCFG_DMNPROP "domain"
  64
  65 typedef struct mdns_backend *mdns_backend_ptr_t;
  66 typedef nss_status_t (*mdns_backend_op_t)(mdns_backend_ptr_t, void *);
  67
  68 struct mdns_backend {
  69         mdns_backend_op_t       *ops;
  70         nss_dbop_t              n_ops;
  71         char *dmnsrchlist[NSSMDNS_MAXSRCHDMNS];
  72         char *validdmnlist[NSSMDNS_MAXVALIDDMNS];
  73         struct timeval conftimestamp;
  74 };
  75
  76 struct mdns_querydata {
  77         nss_XbyY_args_t *argp;
  78         char *buffer;
  79         int buflen;
  80         int ttl;
  81         boolean_t qrydone;
  82         int status;
  83         int af;
  84         char paddrbuf[INET6_ADDRSTRLEN + 1];
  85         int withttlbsize;
  86         char *withttlbuffer;
  87 };
  88
  89 nss_backend_t *_nss_mdns_constr(mdns_backend_op_t *, int);
  90 void _nss_mdns_destr(mdns_backend_ptr_t);
  91 int _nss_mdns_querybyname(mdns_backend_ptr_t, char *name,
  92                 int af, struct mdns_querydata *data);
  93 int _nss_mdns_querybyaddr(mdns_backend_ptr_t, char *name,
  94                 int af, struct mdns_querydata *data);
  95 void _nss_mdns_updatecfg(mdns_backend_ptr_t);
  96
  97 nss_status_t _nss_mdns_gethost_withttl(void *buf, size_t bufsize, int ipnode);
  98 nss_status_t _nss_get_mdns_hosts_name(mdns_backend_ptr_t *be,
  99                 void **bufp, size_t *sizep);
 100 nss_status_t _nss_get_mdns_ipnodes_name(mdns_backend_ptr_t *be,
 101                 void **bufp, size_t *sizep);
 102
 103 #ifdef  __cplusplus
 104 }
 105 #endif
 106
 107 #endif /* _MDNS_COMMON_H */