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 2006 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 "c_synonyms.h" 37 #include <nss_common.h> 38 #include <nss_dbdefs.h> 39 #include <stdio.h> 40 41 #ifdef __cplusplus 42 extern "C" { 43 #endif 44 45 typedef struct user_backend *user_backend_ptr_t; 46 typedef nss_status_t (*user_backend_op_t)(user_backend_ptr_t, void *); 47 48 49 50 struct user_backend { 51 user_backend_op_t *ops; 52 int n_ops; 53 const char *filename; 54 FILE *f; 55 int minbuf; 56 char *buf; 57 }; 58 59 /* 60 * Iterator function for _nss_user_do_all() 61 * NSS_NOTFOUND means "keep enumerating", NSS_SUCCESS means"return now", 62 * other values don't make much sense. In other words we're abusing 63 * (overloading) the meaning of nss_status_t, but hey... 64 * _nss_user_XY_all() is a wrapper around _nss_user_do_all() that does the 65 * generic work for nss_XbyY_args_t backends (calls cstr2ent etc). 66 */ 67 typedef nss_status_t (*user_do_all_func_t)(const char *, int, void *args); 68 typedef int (*user_XY_check_func)(nss_XbyY_args_t *); 69 70 #if defined(__STDC__) 71 extern nss_backend_t *_nss_user_constr(user_backend_op_t *ops, 72 int n_ops, 73 const char *filename, 74 int min_bufsize); 75 extern nss_status_t _nss_user_destr(user_backend_ptr_t, void *dummy); 76 extern nss_status_t _nss_user_setent(user_backend_ptr_t, void *dummy); 77 extern nss_status_t _nss_user_endent(user_backend_ptr_t, void *dummy); 78 extern nss_status_t _nss_user_do_all(user_backend_ptr_t, 79 void *func_priv, 80 const char *filter, 81 user_do_all_func_t func); 82 extern nss_status_t _nss_user_XY_all(user_backend_ptr_t be, 83 nss_XbyY_args_t *args, 84 int netdb, 85 const char *filter, 86 user_XY_check_func check); 87 extern int _nss_user_read_line(FILE *f, 88 char *buffer, 89 int buflen); 90 #else 91 extern nss_backend_t *_nss_user_constr(); 92 extern nss_status_t _nss_user_destr(); 93 extern nss_status_t _nss_user_setent(); 94 extern nss_status_t _nss_user_endent(); 95 extern nss_status_t _nss_user_do_all(); 96 extern nss_status_t _nss_user_XY_all(); 97 extern int _nss_user_read_line(); 98 #endif 99 100 #ifdef __cplusplus 101 } 102 #endif 103 104 #endif /* _USER_COMMON_H */ 105