1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * files/netmasks.c -- "files" backend for nsswitch "netmasks" database 24*0Sstevel@tonic-gate * 25*0Sstevel@tonic-gate * Copyright (c) 1996 Sun Microsystems Inc 26*0Sstevel@tonic-gate * All Rights Reserved. 27*0Sstevel@tonic-gate */ 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate /* 32*0Sstevel@tonic-gate * All routines necessary to deal with the file /etc/inet/netmasks. The file 33*0Sstevel@tonic-gate * contains mappings from 32 bit network internet addresses to their 34*0Sstevel@tonic-gate * corresponding 32 bit mask internet addresses. The addresses are in dotted 35*0Sstevel@tonic-gate * internet address form. 36*0Sstevel@tonic-gate */ 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate #include "files_common.h" 39*0Sstevel@tonic-gate #include <string.h> 40*0Sstevel@tonic-gate #include <sys/types.h> 41*0Sstevel@tonic-gate #include <sys/socket.h> 42*0Sstevel@tonic-gate #include <net/if.h> 43*0Sstevel@tonic-gate #include <netinet/in.h> 44*0Sstevel@tonic-gate #include <arpa/inet.h> 45*0Sstevel@tonic-gate #include <nss_dbdefs.h> 46*0Sstevel@tonic-gate 47*0Sstevel@tonic-gate /* 48*0Sstevel@tonic-gate * Validate 'files' netmasks entry. The comparison objects are in IPv4 49*0Sstevel@tonic-gate * internet address format. 50*0Sstevel@tonic-gate */ 51*0Sstevel@tonic-gate static int 52*0Sstevel@tonic-gate check_addr(args) 53*0Sstevel@tonic-gate nss_XbyY_args_t *args; 54*0Sstevel@tonic-gate { 55*0Sstevel@tonic-gate struct in_addr tmp; 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate tmp.s_addr = inet_addr(args->key.name); 58*0Sstevel@tonic-gate return (memcmp(args->buf.buffer, (char *)&tmp, 59*0Sstevel@tonic-gate sizeof (struct in_addr)) == 0); 60*0Sstevel@tonic-gate } 61*0Sstevel@tonic-gate 62*0Sstevel@tonic-gate static nss_status_t 63*0Sstevel@tonic-gate getbynet(be, a) 64*0Sstevel@tonic-gate files_backend_ptr_t be; 65*0Sstevel@tonic-gate void *a; 66*0Sstevel@tonic-gate { 67*0Sstevel@tonic-gate nss_XbyY_args_t *argp = (nss_XbyY_args_t *) a; 68*0Sstevel@tonic-gate nss_status_t res; 69*0Sstevel@tonic-gate char tmpbuf[NSS_LINELEN_NETMASKS]; 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate argp->buf.buffer = tmpbuf; 72*0Sstevel@tonic-gate argp->buf.buflen = NSS_LINELEN_NETMASKS; 73*0Sstevel@tonic-gate res = _nss_files_XY_all(be, argp, 0, argp->key.name, check_addr); 74*0Sstevel@tonic-gate argp->buf.buffer = NULL; 75*0Sstevel@tonic-gate argp->buf.buflen = 0; 76*0Sstevel@tonic-gate 77*0Sstevel@tonic-gate return (res); 78*0Sstevel@tonic-gate } 79*0Sstevel@tonic-gate 80*0Sstevel@tonic-gate static files_backend_op_t netmasks_ops[] = { 81*0Sstevel@tonic-gate _nss_files_destr, 82*0Sstevel@tonic-gate getbynet 83*0Sstevel@tonic-gate }; 84*0Sstevel@tonic-gate 85*0Sstevel@tonic-gate /*ARGSUSED*/ 86*0Sstevel@tonic-gate nss_backend_t * 87*0Sstevel@tonic-gate _nss_files_netmasks_constr(dummy1, dummy2, dummy3) 88*0Sstevel@tonic-gate const char *dummy1, *dummy2, *dummy3; 89*0Sstevel@tonic-gate { 90*0Sstevel@tonic-gate return (_nss_files_constr(netmasks_ops, 91*0Sstevel@tonic-gate sizeof (netmasks_ops) / sizeof (netmasks_ops[0]), 92*0Sstevel@tonic-gate _PATH_NETMASKS, NSS_LINELEN_NETMASKS, NULL)); 93*0Sstevel@tonic-gate } 94