usr/src/lib/nsswitch/files/common/getrpcent.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/getrpcent.c -- "files" backend for nsswitch "rpc" database
  26  */
  27
  28 #pragma ident   "%Z%%M% %I%     %E% SMI"
  29
  30 #include <rpc/rpcent.h>
  31 #include "files_common.h"
  32 #include <strings.h>
  33 #include <ctype.h>
  34 #include <stdlib.h>
  35
  36 static nss_status_t
  37 getbyname(be, a)
  38         files_backend_ptr_t     be;
  39         void                    *a;
  40 {
  41         nss_XbyY_args_t         *argp = (nss_XbyY_args_t *)a;
  42
  43         return (_nss_files_XY_all(be, argp, 1, argp->key.name,
  44                         _nss_files_check_name_aliases));
  45 }
  46
  47 static int
  48 check_rpcnum(nss_XbyY_args_t *argp, const char *line, int linelen)
  49 {
  50         int             r_number;
  51         const char      *limit, *linep;
  52
  53         linep = line;
  54         limit = line + linelen;
  55
  56         /* skip name */
  57         while (linep < limit && !isspace(*linep))
  58                 linep++;
  59         /* skip the delimiting spaces */
  60         while (linep < limit && isspace(*linep))
  61                 linep++;
  62         if (linep == limit)
  63                 return (0);
  64         r_number = (int)strtol(linep, NULL, 10);
  65         return (r_number == argp->key.number);
  66 }
  67
  68
  69 static nss_status_t
  70 getbynumber(be, a)
  71         files_backend_ptr_t     be;
  72         void                    *a;
  73 {
  74         nss_XbyY_args_t         *argp = (nss_XbyY_args_t *)a;
  75         char                    numstr[12];
  76
  77         (void) snprintf(numstr, 12, "%d", argp->key.number);
  78         return (_nss_files_XY_all(be, argp, 1, numstr, check_rpcnum));
  79 }
  80
  81 static files_backend_op_t rpc_ops[] = {
  82         _nss_files_destr,
  83         _nss_files_endent,
  84         _nss_files_setent,
  85         _nss_files_getent_netdb,
  86         getbyname,
  87         getbynumber
  88 };
  89
  90 /*ARGSUSED*/
  91 nss_backend_t *
  92 _nss_files_rpc_constr(dummy1, dummy2, dummy3)
  93         const char      *dummy1, *dummy2, *dummy3;
  94 {
  95         return (_nss_files_constr(rpc_ops,
  96                                 sizeof (rpc_ops) / sizeof (rpc_ops[0]),
  97                                 "/etc/rpc",
  98                                 NSS_LINELEN_RPC,
  99                                 NULL));
 100 }