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 /* 24 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 25 * Use is subject to license terms. 26 */ 27 28 /* 29 * Common code and structures used by name-service-switch "user" backends. 30 */ 31 32 #ifndef _USER_COMMON_H 33 #define _USER_COMMON_H 34 35 #pragma ident "%Z%%M% %I% %E% SMI" 36 37 #include "c_synonyms.h" 38 #include <nss_common.h> 39 #include <nss_dbdefs.h> 40 #include <stdio.h> 41 #include "../../../libnsl/include/nsl_stdio_prv.h" 42 43 #ifdef __cplusplus 44 extern "C" { 45 #endif 46 47 typedef struct user_backend *user_backend_ptr_t; 48 typedef nss_status_t (*user_backend_op_t)(user_backend_ptr_t, void *); 49 50 51 52 struct user_backend { 53 user_backend_op_t *ops; 54 int n_ops; 55 const char *filename; 56 __NSL_FILE *f; 57 int minbuf; 58 char *buf; 59 }; 60 61 /* 62 * Iterator function for _nss_user_do_all() 63 * NSS_NOTFOUND means "keep enumerating", NSS_SUCCESS means"return now", 64 * other values don't make much sense. In other words we're abusing 65 * (overloading) the meaning of nss_status_t, but hey... 66 * _nss_user_XY_all() is a wrapper around _nss_user_do_all() that does the 67 * generic work for nss_XbyY_args_t backends (calls cstr2ent etc). 68 */ 69 typedef nss_status_t (*user_do_all_func_t)(const char *, int, void *args); 70 typedef int (*user_XY_check_func)(nss_XbyY_args_t *); 71 72 #if defined(__STDC__) 73 extern nss_backend_t *_nss_user_constr(user_backend_op_t *ops, 74 int n_ops, 75 const char *filename, 76 int min_bufsize); 77 extern nss_status_t _nss_user_destr (user_backend_ptr_t, void *dummy); 78 extern nss_status_t _nss_user_setent(user_backend_ptr_t, void *dummy); 79 extern nss_status_t _nss_user_endent(user_backend_ptr_t, void *dummy); 80 extern nss_status_t _nss_user_do_all(user_backend_ptr_t, 81 void *func_priv, 82 const char *filter, 83 user_do_all_func_t func); 84 extern nss_status_t _nss_user_XY_all(user_backend_ptr_t be, 85 nss_XbyY_args_t *args, 86 int netdb, 87 const char *filter, 88 user_XY_check_func check); 89 extern int _nss_user_read_line(__NSL_FILE *f, 90 char *buffer, 91 int buflen); 92 #else 93 extern nss_backend_t *_nss_user_constr(); 94 extern nss_status_t _nss_user_destr (); 95 extern nss_status_t _nss_user_setent(); 96 extern nss_status_t _nss_user_endent(); 97 extern nss_status_t _nss_user_do_all(); 98 extern nss_status_t _nss_user_XY_all(); 99 extern int _nss_user_read_line(); 100 #endif 101 102 #ifdef __cplusplus 103 } 104 #endif 105 106 #endif /* _USER_COMMON_H */ 107