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