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 #include <netdb.h> 29 #include "files_common.h" 30 #include <strings.h> 31 #include <ctype.h> 32 #include <stdlib.h> 33 34 static nss_status_t 35 getbyname(be, a) 36 files_backend_ptr_t be; 37 void *a; 38 { 39 nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a; 40 41 return (_nss_files_XY_all(be, argp, 1, argp->key.name, 42 _nss_files_check_name_aliases)); 43 } 44 45 static int 46 check_addr(nss_XbyY_args_t *argp, const char *line, int linelen) 47 { 48 int proto; 49 const char *limit, *linep; 50 51 linep = line; 52 limit = line + linelen; 53 54 /* skip name */ 55 while (linep < limit && !isspace(*linep)) 56 linep++; 57 /* skip the delimiting spaces */ 58 while (linep < limit && isspace(*linep)) 59 linep++; 60 if (linep == limit) 61 return (0); 62 proto = (int)strtol(linep, NULL, 10); 63 return (proto == argp->key.number); 64 } 65 66 static nss_status_t 67 getbynumber(be, a) 68 files_backend_ptr_t be; 69 void *a; 70 { 71 nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a; 72 char numstr[12]; 73 74 (void) snprintf(numstr, 12, "%d", argp->key.number); 75 return (_nss_files_XY_all(be, argp, 1, 0, check_addr)); 76 } 77 78 static files_backend_op_t proto_ops[] = { 79 _nss_files_destr, 80 _nss_files_endent, 81 _nss_files_setent, 82 _nss_files_getent_netdb, 83 getbyname, 84 getbynumber 85 }; 86 87 /*ARGSUSED*/ 88 nss_backend_t * 89 _nss_files_protocols_constr(dummy1, dummy2, dummy3) 90 const char *dummy1, *dummy2, *dummy3; 91 { 92 return (_nss_files_constr(proto_ops, 93 sizeof (proto_ops) / sizeof (proto_ops[0]), 94 _PATH_PROTOCOLS, 95 NSS_LINELEN_PROTOCOLS, 96 NULL)); 97 } 98