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/getpwnam.c -- "files" backend for nsswitch "passwd" 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 <pwd.h> 32*0Sstevel@tonic-gate #include <shadow.h> 33*0Sstevel@tonic-gate #include <unistd.h> /* for PF_PATH */ 34*0Sstevel@tonic-gate #include "files_common.h" 35*0Sstevel@tonic-gate #include <strings.h> 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate static u_int 38*0Sstevel@tonic-gate hash_pwname(nss_XbyY_args_t *argp, int keyhash) 39*0Sstevel@tonic-gate { 40*0Sstevel@tonic-gate struct passwd *p = argp->returnval; 41*0Sstevel@tonic-gate const char *name = keyhash ? argp->key.name : p->pw_name; 42*0Sstevel@tonic-gate u_int hash = 0; 43*0Sstevel@tonic-gate 44*0Sstevel@tonic-gate while (*name != 0) 45*0Sstevel@tonic-gate hash = hash * 15 + *name++; 46*0Sstevel@tonic-gate 47*0Sstevel@tonic-gate return (hash); 48*0Sstevel@tonic-gate } 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate static u_int 51*0Sstevel@tonic-gate hash_pwuid(nss_XbyY_args_t *argp, int keyhash) 52*0Sstevel@tonic-gate { 53*0Sstevel@tonic-gate struct passwd *p = argp->returnval; 54*0Sstevel@tonic-gate return (keyhash ? (u_int)argp->key.uid : (u_int)p->pw_uid); 55*0Sstevel@tonic-gate } 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate static files_hash_func hash_pw[2] = { hash_pwname, hash_pwuid }; 58*0Sstevel@tonic-gate 59*0Sstevel@tonic-gate static files_hash_t hashinfo = { 60*0Sstevel@tonic-gate DEFAULTMUTEX, 61*0Sstevel@tonic-gate sizeof (struct passwd), 62*0Sstevel@tonic-gate NSS_BUFLEN_PASSWD, 63*0Sstevel@tonic-gate 2, 64*0Sstevel@tonic-gate hash_pw 65*0Sstevel@tonic-gate }; 66*0Sstevel@tonic-gate 67*0Sstevel@tonic-gate static int 68*0Sstevel@tonic-gate check_pwname(argp) 69*0Sstevel@tonic-gate nss_XbyY_args_t *argp; 70*0Sstevel@tonic-gate { 71*0Sstevel@tonic-gate struct passwd *p = (struct passwd *)argp->returnval; 72*0Sstevel@tonic-gate 73*0Sstevel@tonic-gate /* +/- entries valid for compat source only */ 74*0Sstevel@tonic-gate if (p->pw_name != 0 && (p->pw_name[0] == '+' || p->pw_name[0] == '-')) 75*0Sstevel@tonic-gate return (0); 76*0Sstevel@tonic-gate return (strcmp(p->pw_name, argp->key.name) == 0); 77*0Sstevel@tonic-gate } 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate static nss_status_t 80*0Sstevel@tonic-gate getbyname(be, a) 81*0Sstevel@tonic-gate files_backend_ptr_t be; 82*0Sstevel@tonic-gate void *a; 83*0Sstevel@tonic-gate { 84*0Sstevel@tonic-gate return (_nss_files_XY_hash(be, a, 0, &hashinfo, 0, check_pwname)); 85*0Sstevel@tonic-gate } 86*0Sstevel@tonic-gate 87*0Sstevel@tonic-gate static int 88*0Sstevel@tonic-gate check_pwuid(argp) 89*0Sstevel@tonic-gate nss_XbyY_args_t *argp; 90*0Sstevel@tonic-gate { 91*0Sstevel@tonic-gate struct passwd *p = (struct passwd *)argp->returnval; 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate /* +/- entries valid for compat source only */ 94*0Sstevel@tonic-gate if (p->pw_name != 0 && (p->pw_name[0] == '+' || p->pw_name[0] == '-')) 95*0Sstevel@tonic-gate return (0); 96*0Sstevel@tonic-gate return (p->pw_uid == argp->key.uid); 97*0Sstevel@tonic-gate } 98*0Sstevel@tonic-gate 99*0Sstevel@tonic-gate static nss_status_t 100*0Sstevel@tonic-gate getbyuid(be, a) 101*0Sstevel@tonic-gate files_backend_ptr_t be; 102*0Sstevel@tonic-gate void *a; 103*0Sstevel@tonic-gate { 104*0Sstevel@tonic-gate return (_nss_files_XY_hash(be, a, 0, &hashinfo, 1, check_pwuid)); 105*0Sstevel@tonic-gate } 106*0Sstevel@tonic-gate 107*0Sstevel@tonic-gate static files_backend_op_t passwd_ops[] = { 108*0Sstevel@tonic-gate _nss_files_destr, 109*0Sstevel@tonic-gate _nss_files_endent, 110*0Sstevel@tonic-gate _nss_files_setent, 111*0Sstevel@tonic-gate _nss_files_getent_rigid, 112*0Sstevel@tonic-gate getbyname, 113*0Sstevel@tonic-gate getbyuid 114*0Sstevel@tonic-gate }; 115*0Sstevel@tonic-gate 116*0Sstevel@tonic-gate /*ARGSUSED*/ 117*0Sstevel@tonic-gate nss_backend_t * 118*0Sstevel@tonic-gate _nss_files_passwd_constr(dummy1, dummy2, dummy3) 119*0Sstevel@tonic-gate const char *dummy1, *dummy2, *dummy3; 120*0Sstevel@tonic-gate { 121*0Sstevel@tonic-gate return (_nss_files_constr(passwd_ops, 122*0Sstevel@tonic-gate sizeof (passwd_ops) / sizeof (passwd_ops[0]), 123*0Sstevel@tonic-gate PF_PATH, 124*0Sstevel@tonic-gate NSS_LINELEN_PASSWD, 125*0Sstevel@tonic-gate &hashinfo)); 126*0Sstevel@tonic-gate } 127