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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1988-1995 Sun Microsystems Inc 24 * All Rights Reserved. 25 * 26 * files/getservent.c -- "files" backend for nsswitch "services" database 27 */ 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #include <netdb.h> 32 #include "files_common.h" 33 #include <sys/types.h> 34 #include <netinet/in.h> 35 #include <strings.h> 36 37 static int 38 check_name(args) 39 nss_XbyY_args_t *args; 40 { 41 struct servent *serv = (struct servent *) args->returnval; 42 const char *name = args->key.serv.serv.name; 43 const char *proto = args->key.serv.proto; 44 char **aliasp; 45 46 if (proto != 0 && strcmp(serv->s_proto, proto) != 0) { 47 return (0); 48 } 49 if (strcmp(serv->s_name, name) == 0) { 50 return (1); 51 } 52 for (aliasp = serv->s_aliases; *aliasp != 0; aliasp++) { 53 if (strcmp(*aliasp, name) == 0) { 54 return (1); 55 } 56 } 57 return (0); 58 } 59 60 static nss_status_t 61 getbyname(be, a) 62 files_backend_ptr_t be; 63 void *a; 64 { 65 nss_XbyY_args_t *argp = (nss_XbyY_args_t *) a; 66 67 return (_nss_files_XY_all(be, argp, 1, 68 argp->key.serv.serv.name, check_name)); 69 } 70 71 static int 72 check_port(args) 73 nss_XbyY_args_t *args; 74 { 75 struct servent *serv = (struct servent *) args->returnval; 76 const char *proto = args->key.serv.proto; 77 78 return (serv->s_port == args->key.serv.serv.port && 79 (proto == 0 || strcmp(serv->s_proto, proto) == 0)); 80 } 81 82 static nss_status_t 83 getbyport(be, a) 84 files_backend_ptr_t be; 85 void *a; 86 { 87 nss_XbyY_args_t *argp = (nss_XbyY_args_t *) a; 88 char portstr[12]; 89 90 sprintf(portstr, "%d", ntohs(argp->key.serv.serv.port)); 91 return (_nss_files_XY_all(be, argp, 1, portstr, check_port)); 92 } 93 94 static files_backend_op_t serv_ops[] = { 95 _nss_files_destr, 96 _nss_files_endent, 97 _nss_files_setent, 98 _nss_files_getent_netdb, 99 getbyname, 100 getbyport 101 }; 102 103 /*ARGSUSED*/ 104 nss_backend_t * 105 _nss_files_services_constr(dummy1, dummy2, dummy3) 106 const char *dummy1, *dummy2, *dummy3; 107 { 108 return (_nss_files_constr(serv_ops, 109 sizeof (serv_ops) / sizeof (serv_ops[0]), 110 _PATH_SERVICES, 111 NSS_LINELEN_SERVICES, 112 NULL)); 113 } 114