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 (c) 1988-1995 Sun Microsystems Inc 24*0Sstevel@tonic-gate * All Rights Reserved. 25*0Sstevel@tonic-gate * 26*0Sstevel@tonic-gate * files/getgrent.c -- "files" backend for nsswitch "group" database 27*0Sstevel@tonic-gate */ 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #include <grp.h> 32*0Sstevel@tonic-gate #include <unistd.h> /* for GF_PATH */ 33*0Sstevel@tonic-gate #include "files_common.h" 34*0Sstevel@tonic-gate #include <strings.h> 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate static u_int 37*0Sstevel@tonic-gate hash_grname(nss_XbyY_args_t *argp, int keyhash) 38*0Sstevel@tonic-gate { 39*0Sstevel@tonic-gate struct group *g = argp->returnval; 40*0Sstevel@tonic-gate const char *name = keyhash ? argp->key.name : g->gr_name; 41*0Sstevel@tonic-gate u_int hash = 0; 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate while (*name != 0) 44*0Sstevel@tonic-gate hash = hash * 15 + *name++; 45*0Sstevel@tonic-gate 46*0Sstevel@tonic-gate return (hash); 47*0Sstevel@tonic-gate } 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate static u_int 50*0Sstevel@tonic-gate hash_grgid(nss_XbyY_args_t *argp, int keyhash) 51*0Sstevel@tonic-gate { 52*0Sstevel@tonic-gate struct group *g = argp->returnval; 53*0Sstevel@tonic-gate return (keyhash ? (u_int)argp->key.gid : (u_int)g->gr_gid); 54*0Sstevel@tonic-gate } 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate static files_hash_func hash_gr[2] = { hash_grname, hash_grgid }; 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate static files_hash_t hashinfo = { 59*0Sstevel@tonic-gate DEFAULTMUTEX, 60*0Sstevel@tonic-gate sizeof (struct group), 61*0Sstevel@tonic-gate NSS_BUFLEN_GROUP, 62*0Sstevel@tonic-gate 2, 63*0Sstevel@tonic-gate hash_gr 64*0Sstevel@tonic-gate }; 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate static int 67*0Sstevel@tonic-gate check_grname(argp) 68*0Sstevel@tonic-gate nss_XbyY_args_t *argp; 69*0Sstevel@tonic-gate { 70*0Sstevel@tonic-gate struct group *g = (struct group *)argp->returnval; 71*0Sstevel@tonic-gate 72*0Sstevel@tonic-gate /* +/- entries only valid in compat source */ 73*0Sstevel@tonic-gate if (g->gr_name != 0 && (g->gr_name[0] == '+' || g->gr_name[0] == '-')) 74*0Sstevel@tonic-gate return (0); 75*0Sstevel@tonic-gate return (strcmp(g->gr_name, argp->key.name) == 0); 76*0Sstevel@tonic-gate } 77*0Sstevel@tonic-gate 78*0Sstevel@tonic-gate static nss_status_t 79*0Sstevel@tonic-gate getbyname(be, a) 80*0Sstevel@tonic-gate files_backend_ptr_t be; 81*0Sstevel@tonic-gate void *a; 82*0Sstevel@tonic-gate { 83*0Sstevel@tonic-gate return (_nss_files_XY_hash(be, a, 0, &hashinfo, 0, check_grname)); 84*0Sstevel@tonic-gate } 85*0Sstevel@tonic-gate 86*0Sstevel@tonic-gate static int 87*0Sstevel@tonic-gate check_grgid(argp) 88*0Sstevel@tonic-gate nss_XbyY_args_t *argp; 89*0Sstevel@tonic-gate { 90*0Sstevel@tonic-gate struct group *g = (struct group *)argp->returnval; 91*0Sstevel@tonic-gate 92*0Sstevel@tonic-gate /* +/- entries only valid in compat source */ 93*0Sstevel@tonic-gate if (g->gr_name != 0 && (g->gr_name[0] == '+' || g->gr_name[0] == '-')) 94*0Sstevel@tonic-gate return (0); 95*0Sstevel@tonic-gate return (g->gr_gid == argp->key.gid); 96*0Sstevel@tonic-gate } 97*0Sstevel@tonic-gate 98*0Sstevel@tonic-gate static nss_status_t 99*0Sstevel@tonic-gate getbygid(be, a) 100*0Sstevel@tonic-gate files_backend_ptr_t be; 101*0Sstevel@tonic-gate void *a; 102*0Sstevel@tonic-gate { 103*0Sstevel@tonic-gate return (_nss_files_XY_hash(be, a, 0, &hashinfo, 1, check_grgid)); 104*0Sstevel@tonic-gate } 105*0Sstevel@tonic-gate 106*0Sstevel@tonic-gate static nss_status_t 107*0Sstevel@tonic-gate getbymember(be, a) 108*0Sstevel@tonic-gate files_backend_ptr_t be; 109*0Sstevel@tonic-gate void *a; 110*0Sstevel@tonic-gate { 111*0Sstevel@tonic-gate struct nss_groupsbymem *argp = (struct nss_groupsbymem *) a; 112*0Sstevel@tonic-gate 113*0Sstevel@tonic-gate return (_nss_files_do_all(be, argp, argp->username, 114*0Sstevel@tonic-gate (files_do_all_func_t)argp->process_cstr)); 115*0Sstevel@tonic-gate } 116*0Sstevel@tonic-gate 117*0Sstevel@tonic-gate static files_backend_op_t group_ops[] = { 118*0Sstevel@tonic-gate _nss_files_destr, 119*0Sstevel@tonic-gate _nss_files_endent, 120*0Sstevel@tonic-gate _nss_files_setent, 121*0Sstevel@tonic-gate _nss_files_getent_rigid, 122*0Sstevel@tonic-gate getbyname, 123*0Sstevel@tonic-gate getbygid, 124*0Sstevel@tonic-gate getbymember 125*0Sstevel@tonic-gate }; 126*0Sstevel@tonic-gate 127*0Sstevel@tonic-gate /*ARGSUSED*/ 128*0Sstevel@tonic-gate nss_backend_t * 129*0Sstevel@tonic-gate _nss_files_group_constr(dummy1, dummy2, dummy3) 130*0Sstevel@tonic-gate const char *dummy1, *dummy2, *dummy3; 131*0Sstevel@tonic-gate { 132*0Sstevel@tonic-gate return (_nss_files_constr(group_ops, 133*0Sstevel@tonic-gate sizeof (group_ops) / sizeof (group_ops[0]), 134*0Sstevel@tonic-gate GF_PATH, 135*0Sstevel@tonic-gate NSS_LINELEN_GROUP, 136*0Sstevel@tonic-gate &hashinfo)); 137*0Sstevel@tonic-gate } 138