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/getprotoent.c -- "files" backend for nsswitch "protocols" database 26 */ 27 28 #pragma ident "%Z%%M% %I% %E% SMI" 29 30 #include <netdb.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_addr(nss_XbyY_args_t *argp, const char *line, int linelen) 49 { 50 int proto; 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 proto = (int)strtol(linep, NULL, 10); 65 return (proto == argp->key.number); 66 } 67 68 static nss_status_t 69 getbynumber(be, a) 70 files_backend_ptr_t be; 71 void *a; 72 { 73 nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a; 74 char numstr[12]; 75 76 (void) snprintf(numstr, 12, "%d", argp->key.number); 77 return (_nss_files_XY_all(be, argp, 1, 0, check_addr)); 78 } 79 80 static files_backend_op_t proto_ops[] = { 81 _nss_files_destr, 82 _nss_files_endent, 83 _nss_files_setent, 84 _nss_files_getent_netdb, 85 getbyname, 86 getbynumber 87 }; 88 89 /*ARGSUSED*/ 90 nss_backend_t * 91 _nss_files_protocols_constr(dummy1, dummy2, dummy3) 92 const char *dummy1, *dummy2, *dummy3; 93 { 94 return (_nss_files_constr(proto_ops, 95 sizeof (proto_ops) / sizeof (proto_ops[0]), 96 _PATH_PROTOCOLS, 97 NSS_LINELEN_PROTOCOLS, 98 NULL)); 99 } 100