1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 1995-2003 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate * 26*0Sstevel@tonic-gate * Common code and structures used by name-service-switch "files" backends. 27*0Sstevel@tonic-gate */ 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #ifndef _FILES_COMMON_H 30*0Sstevel@tonic-gate #define _FILES_COMMON_H 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #include "synonyms.h" 35*0Sstevel@tonic-gate #include <nss_common.h> 36*0Sstevel@tonic-gate #include <nss_dbdefs.h> 37*0Sstevel@tonic-gate #include <stdio.h> 38*0Sstevel@tonic-gate 39*0Sstevel@tonic-gate #include "../../../libnsl/include/nsl_stdio_prv.h" 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate #ifdef __cplusplus 42*0Sstevel@tonic-gate extern "C" { 43*0Sstevel@tonic-gate #endif 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate typedef struct files_backend *files_backend_ptr_t; 46*0Sstevel@tonic-gate typedef nss_status_t (*files_backend_op_t)(files_backend_ptr_t, void *); 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate typedef u_int (*files_hash_func)(nss_XbyY_args_t *, int); 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate typedef struct files_hashent { 51*0Sstevel@tonic-gate struct files_hashent *h_first; 52*0Sstevel@tonic-gate struct files_hashent *h_next; 53*0Sstevel@tonic-gate u_int h_hash; 54*0Sstevel@tonic-gate } files_hashent_t; 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate typedef struct { 57*0Sstevel@tonic-gate char *l_start; 58*0Sstevel@tonic-gate int l_len; 59*0Sstevel@tonic-gate } files_linetab_t; 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate typedef struct { 62*0Sstevel@tonic-gate mutex_t fh_lock; 63*0Sstevel@tonic-gate int fh_resultsize; 64*0Sstevel@tonic-gate int fh_bufsize; 65*0Sstevel@tonic-gate int fh_nhtab; 66*0Sstevel@tonic-gate files_hash_func *fh_hash_func; 67*0Sstevel@tonic-gate int fh_refcnt; 68*0Sstevel@tonic-gate int fh_size; 69*0Sstevel@tonic-gate timestruc_t fh_mtime; 70*0Sstevel@tonic-gate char *fh_file_start; 71*0Sstevel@tonic-gate char *fh_file_end; 72*0Sstevel@tonic-gate files_linetab_t *fh_line; 73*0Sstevel@tonic-gate files_hashent_t *fh_table; 74*0Sstevel@tonic-gate } files_hash_t; 75*0Sstevel@tonic-gate 76*0Sstevel@tonic-gate struct files_backend { 77*0Sstevel@tonic-gate files_backend_op_t *ops; 78*0Sstevel@tonic-gate int n_ops; 79*0Sstevel@tonic-gate const char *filename; 80*0Sstevel@tonic-gate __NSL_FILE *f; 81*0Sstevel@tonic-gate int minbuf; 82*0Sstevel@tonic-gate char *buf; 83*0Sstevel@tonic-gate files_hash_t *hashinfo; 84*0Sstevel@tonic-gate }; 85*0Sstevel@tonic-gate 86*0Sstevel@tonic-gate /* 87*0Sstevel@tonic-gate * Iterator function for _nss_files_do_all(), which probably calls yp_all(). 88*0Sstevel@tonic-gate * NSS_NOTFOUND means "keep enumerating", NSS_SUCCESS means"return now", 89*0Sstevel@tonic-gate * other values don't make much sense. In other words we're abusing 90*0Sstevel@tonic-gate * (overloading) the meaning of nss_status_t, but hey... 91*0Sstevel@tonic-gate * _nss_files_XY_all() is a wrapper around _nss_files_do_all() that does the 92*0Sstevel@tonic-gate * generic work for nss_XbyY_args_t backends (calls cstr2ent etc). 93*0Sstevel@tonic-gate */ 94*0Sstevel@tonic-gate typedef nss_status_t (*files_do_all_func_t)(const char *, int, void *args); 95*0Sstevel@tonic-gate typedef int (*files_XY_check_func)(nss_XbyY_args_t *); 96*0Sstevel@tonic-gate 97*0Sstevel@tonic-gate #if defined(__STDC__) 98*0Sstevel@tonic-gate extern nss_backend_t *_nss_files_constr(files_backend_op_t *ops, 99*0Sstevel@tonic-gate int n_ops, 100*0Sstevel@tonic-gate const char *filename, 101*0Sstevel@tonic-gate int min_bufsize, 102*0Sstevel@tonic-gate files_hash_t *fhp); 103*0Sstevel@tonic-gate extern nss_status_t _nss_files_destr (files_backend_ptr_t, void *dummy); 104*0Sstevel@tonic-gate extern nss_status_t _nss_files_setent(files_backend_ptr_t, void *dummy); 105*0Sstevel@tonic-gate extern nss_status_t _nss_files_endent(files_backend_ptr_t, void *dummy); 106*0Sstevel@tonic-gate extern nss_status_t _nss_files_getent_rigid(files_backend_ptr_t, void *); 107*0Sstevel@tonic-gate extern nss_status_t _nss_files_getent_netdb(files_backend_ptr_t, void *); 108*0Sstevel@tonic-gate extern nss_status_t _nss_files_do_all(files_backend_ptr_t, 109*0Sstevel@tonic-gate void *func_priv, 110*0Sstevel@tonic-gate const char *filter, 111*0Sstevel@tonic-gate files_do_all_func_t func); 112*0Sstevel@tonic-gate extern nss_status_t _nss_files_XY_all(files_backend_ptr_t be, 113*0Sstevel@tonic-gate nss_XbyY_args_t *args, 114*0Sstevel@tonic-gate int netdb, 115*0Sstevel@tonic-gate const char *filter, 116*0Sstevel@tonic-gate files_XY_check_func check); 117*0Sstevel@tonic-gate extern nss_status_t _nss_files_XY_hash(files_backend_ptr_t be, 118*0Sstevel@tonic-gate nss_XbyY_args_t *args, 119*0Sstevel@tonic-gate int netdb, 120*0Sstevel@tonic-gate files_hash_t *fhp, 121*0Sstevel@tonic-gate int hashop, 122*0Sstevel@tonic-gate files_XY_check_func check); 123*0Sstevel@tonic-gate int _nss_files_read_line(__NSL_FILE *f, char *buffer, int buflen); 124*0Sstevel@tonic-gate #else 125*0Sstevel@tonic-gate extern nss_backend_t *_nss_files_constr(); 126*0Sstevel@tonic-gate extern nss_status_t _nss_files_destr (); 127*0Sstevel@tonic-gate extern nss_status_t _nss_files_setent(); 128*0Sstevel@tonic-gate extern nss_status_t _nss_files_endent(); 129*0Sstevel@tonic-gate extern nss_status_t _nss_files_getent_rigid(); 130*0Sstevel@tonic-gate extern nss_status_t _nss_files_getent_netdb(); 131*0Sstevel@tonic-gate extern nss_status_t _nss_files_do_all(); 132*0Sstevel@tonic-gate extern nss_status_t _nss_files_XY_all(); 133*0Sstevel@tonic-gate extern nss_status_t _nss_files_XY_hash(); 134*0Sstevel@tonic-gate #endif 135*0Sstevel@tonic-gate 136*0Sstevel@tonic-gate #ifdef __cplusplus 137*0Sstevel@tonic-gate } 138*0Sstevel@tonic-gate #endif 139*0Sstevel@tonic-gate 140*0Sstevel@tonic-gate #endif /* _FILES_COMMON_H */ 141