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 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * Common code and structures used by name-service-switch "user" backends. 29 */ 30 31 #ifndef _USER_COMMON_H 32 #define _USER_COMMON_H 33 34 #include <nss_common.h> 35 #include <nss_dbdefs.h> 36 #include <stdio.h> 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 typedef struct user_backend *user_backend_ptr_t; 43 typedef nss_status_t (*user_backend_op_t)(user_backend_ptr_t, void *); 44 45 46 47 struct user_backend { 48 user_backend_op_t *ops; 49 int n_ops; 50 const char *filename; 51 FILE *f; 52 int minbuf; 53 char *buf; 54 }; 55 56 /* 57 * Iterator function for _nss_user_do_all() 58 * NSS_NOTFOUND means "keep enumerating", NSS_SUCCESS means"return now", 59 * other values don't make much sense. In other words we're abusing 60 * (overloading) the meaning of nss_status_t, but hey... 61 * _nss_user_XY_all() is a wrapper around _nss_user_do_all() that does the 62 * generic work for nss_XbyY_args_t backends (calls cstr2ent etc). 63 */ 64 typedef nss_status_t (*user_do_all_func_t)(const char *, int, void *args); 65 typedef int (*user_XY_check_func)(nss_XbyY_args_t *); 66 67 #if defined(__STDC__) 68 extern nss_backend_t *_nss_user_constr(user_backend_op_t *ops, 69 int n_ops, 70 const char *filename, 71 int min_bufsize); 72 extern nss_status_t _nss_user_destr(user_backend_ptr_t, void *dummy); 73 extern nss_status_t _nss_user_setent(user_backend_ptr_t, void *dummy); 74 extern nss_status_t _nss_user_endent(user_backend_ptr_t, void *dummy); 75 extern nss_status_t _nss_user_do_all(user_backend_ptr_t, 76 void *func_priv, 77 const char *filter, 78 user_do_all_func_t func); 79 extern nss_status_t _nss_user_XY_all(user_backend_ptr_t be, 80 nss_XbyY_args_t *args, 81 int netdb, 82 const char *filter, 83 user_XY_check_func check); 84 extern int _nss_user_read_line(FILE *f, 85 char *buffer, 86 int buflen); 87 #else 88 extern nss_backend_t *_nss_user_constr(); 89 extern nss_status_t _nss_user_destr(); 90 extern nss_status_t _nss_user_setent(); 91 extern nss_status_t _nss_user_endent(); 92 extern nss_status_t _nss_user_do_all(); 93 extern nss_status_t _nss_user_XY_all(); 94 extern int _nss_user_read_line(); 95 #endif 96 97 #ifdef __cplusplus 98 } 99 #endif 100 101 #endif /* _USER_COMMON_H */ 102