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) 1988-1992 Sun Microsystems Inc 24*0Sstevel@tonic-gate * All Rights Reserved. 25*0Sstevel@tonic-gate * 26*0Sstevel@tonic-gate * nis/gethostent.c -- "nis" backend for nsswitch "hosts" 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 <ctype.h> 32*0Sstevel@tonic-gate #include <netdb.h> 33*0Sstevel@tonic-gate #include <stdio.h> 34*0Sstevel@tonic-gate #include <string.h> 35*0Sstevel@tonic-gate #include <netinet/in.h> 36*0Sstevel@tonic-gate #include <arpa/inet.h> 37*0Sstevel@tonic-gate #include <sys/socket.h> 38*0Sstevel@tonic-gate #include "nis_common.h" 39*0Sstevel@tonic-gate #include <stdlib.h> 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate static nss_status_t 42*0Sstevel@tonic-gate getbyname(be, a) 43*0Sstevel@tonic-gate nis_backend_ptr_t be; 44*0Sstevel@tonic-gate void *a; 45*0Sstevel@tonic-gate { 46*0Sstevel@tonic-gate nss_XbyY_args_t *argp = (nss_XbyY_args_t *) a; 47*0Sstevel@tonic-gate nss_status_t res; 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate const char *s; 50*0Sstevel@tonic-gate char c; 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate for (s = argp->key.name; (c = *s) != '\0'; s++) { 53*0Sstevel@tonic-gate if (isupper(c)) { 54*0Sstevel@tonic-gate char *copy; 55*0Sstevel@tonic-gate char *mung; 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate if ((copy = strdup(argp->key.name)) == 0) { 58*0Sstevel@tonic-gate return (NSS_UNAVAIL); 59*0Sstevel@tonic-gate } 60*0Sstevel@tonic-gate for (mung = copy + (s - argp->key.name); 61*0Sstevel@tonic-gate (c = *mung) != '\0'; mung++) { 62*0Sstevel@tonic-gate if (isupper(c)) { 63*0Sstevel@tonic-gate *mung = _tolower(c); 64*0Sstevel@tonic-gate } 65*0Sstevel@tonic-gate } 66*0Sstevel@tonic-gate res = _nss_nis_lookup(be, argp, 1, "hosts.byname", 67*0Sstevel@tonic-gate copy, 0); 68*0Sstevel@tonic-gate free(copy); 69*0Sstevel@tonic-gate argp->h_errno = __nss2herrno(res); 70*0Sstevel@tonic-gate return (res); 71*0Sstevel@tonic-gate } 72*0Sstevel@tonic-gate } 73*0Sstevel@tonic-gate res = _nss_nis_lookup(be, argp, 1, 74*0Sstevel@tonic-gate "hosts.byname", argp->key.name, 0); 75*0Sstevel@tonic-gate if (res != NSS_SUCCESS) 76*0Sstevel@tonic-gate argp->h_errno = __nss2herrno(res); 77*0Sstevel@tonic-gate return (res); 78*0Sstevel@tonic-gate } 79*0Sstevel@tonic-gate 80*0Sstevel@tonic-gate static nss_status_t 81*0Sstevel@tonic-gate getbyaddr(be, a) 82*0Sstevel@tonic-gate nis_backend_ptr_t be; 83*0Sstevel@tonic-gate void *a; 84*0Sstevel@tonic-gate { 85*0Sstevel@tonic-gate nss_XbyY_args_t *argp = (nss_XbyY_args_t *) a; 86*0Sstevel@tonic-gate struct in_addr addr; 87*0Sstevel@tonic-gate char buf[18]; 88*0Sstevel@tonic-gate nss_status_t res; 89*0Sstevel@tonic-gate extern char *inet_ntoa_r(); /* not an advertised function from */ 90*0Sstevel@tonic-gate /* libnsl (no man page), so no */ 91*0Sstevel@tonic-gate /* prototype. */ 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate /* === Do we really want to be this pedantic? */ 94*0Sstevel@tonic-gate if (argp->key.hostaddr.type != AF_INET || 95*0Sstevel@tonic-gate argp->key.hostaddr.len != sizeof (addr)) { 96*0Sstevel@tonic-gate return (NSS_NOTFOUND); 97*0Sstevel@tonic-gate } 98*0Sstevel@tonic-gate memcpy(&addr, argp->key.hostaddr.addr, sizeof (addr)); 99*0Sstevel@tonic-gate res = _nss_nis_lookup(be, argp, 1, "hosts.byaddr", 100*0Sstevel@tonic-gate inet_ntoa_r(addr, buf), 0); 101*0Sstevel@tonic-gate if (res != NSS_SUCCESS) 102*0Sstevel@tonic-gate argp->h_errno = __nss2herrno(res); 103*0Sstevel@tonic-gate return (res); 104*0Sstevel@tonic-gate } 105*0Sstevel@tonic-gate 106*0Sstevel@tonic-gate 107*0Sstevel@tonic-gate static nis_backend_op_t host_ops[] = { 108*0Sstevel@tonic-gate _nss_nis_destr, 109*0Sstevel@tonic-gate _nss_nis_endent, 110*0Sstevel@tonic-gate _nss_nis_setent, 111*0Sstevel@tonic-gate _nss_nis_getent_netdb, 112*0Sstevel@tonic-gate getbyname, 113*0Sstevel@tonic-gate getbyaddr 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_nis_hosts_constr(dummy1, dummy2, dummy3) 119*0Sstevel@tonic-gate const char *dummy1, *dummy2, *dummy3; 120*0Sstevel@tonic-gate { 121*0Sstevel@tonic-gate return (_nss_nis_constr(host_ops, 122*0Sstevel@tonic-gate sizeof (host_ops) / sizeof (host_ops[0]), 123*0Sstevel@tonic-gate "hosts.byaddr")); 124*0Sstevel@tonic-gate } 125