usr/src/lib/nsswitch/files/common/gethostent6.c

   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  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  *
  25  * files/gethostent6.c -- "files" backend for nsswitch "hosts" database
  26  */
  27
  28 #pragma ident   "%Z%%M% %I%     %E% SMI"
  29
  30 #include <netdb.h>
  31 #include "files_common.h"
  32 #include <string.h>
  33 #include <strings.h>
  34 #include <stddef.h>
  35 #include <stdlib.h>
  36 #include <sys/types.h>
  37 #include <sys/socket.h>
  38 #include <netinet/in.h>
  39 #include <arpa/nameser.h>
  40 #include <ctype.h>
  41
  42 extern nss_status_t __nss_files_XY_hostbyname();
  43 extern int __nss_files_2herrno();
  44 extern int __nss_files_check_addr(int, nss_XbyY_args_t *, const char *, int);
  45
  46 static nss_status_t
  47 getbyname(be, a)
  48         files_backend_ptr_t     be;
  49         void                    *a;
  50 {
  51         nss_XbyY_args_t         *argp = (nss_XbyY_args_t *)a;
  52         nss_status_t            res;
  53
  54         res = __nss_files_XY_hostbyname(be, argp, argp->key.ipnode.name,
  55                                                         AF_INET6);
  56         if (res != NSS_SUCCESS)
  57                 argp->h_errno = __nss_files_2herrno(res);
  58         return (res);
  59 }
  60
  61 static int
  62 check_addr(nss_XbyY_args_t *argp, const char *line, int linelen)
  63 {
  64         return (__nss_files_check_addr(AF_INET6, argp, line, linelen));
  65 }
  66
  67 static nss_status_t
  68 getbyaddr(be, a)
  69         files_backend_ptr_t     be;
  70         void                    *a;
  71 {
  72         nss_XbyY_args_t         *argp   = (nss_XbyY_args_t *)a;
  73         nss_status_t            res;
  74
  75
  76         res = _nss_files_XY_all(be, argp, 1, 0, check_addr);
  77         if (res != NSS_SUCCESS)
  78                 argp->h_errno = __nss_files_2herrno(res);
  79         return (res);
  80 }
  81
  82 static files_backend_op_t ipnodes_ops[] = {
  83         _nss_files_destr,
  84         _nss_files_endent,
  85         _nss_files_setent,
  86         _nss_files_getent_netdb,
  87         getbyname,
  88         getbyaddr,
  89 };
  90
  91 /*ARGSUSED*/
  92 nss_backend_t *
  93 _nss_files_ipnodes_constr(dummy1, dummy2, dummy3)
  94         const char      *dummy1, *dummy2, *dummy3;
  95 {
  96         return (_nss_files_constr(ipnodes_ops,
  97                                 sizeof (ipnodes_ops) / sizeof (ipnodes_ops[0]),
  98                                 _PATH_IPNODES,
  99                                 NSS_LINELEN_HOSTS,
 100                                 NULL));
 101 }