10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*2830Sdjl * Common Development and Distribution License (the "License"). 6*2830Sdjl * You may not use this file except in compliance with the License. 70Sstevel@tonic-gate * 80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 100Sstevel@tonic-gate * See the License for the specific language governing permissions 110Sstevel@tonic-gate * and limitations under the License. 120Sstevel@tonic-gate * 130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 180Sstevel@tonic-gate * 190Sstevel@tonic-gate * CDDL HEADER END 200Sstevel@tonic-gate */ 210Sstevel@tonic-gate /* 22*2830Sdjl * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23*2830Sdjl * Use is subject to license terms. 24*2830Sdjl */ 25*2830Sdjl /* 260Sstevel@tonic-gate * Common code and structures used by name-service-switch "dns" backends. 270Sstevel@tonic-gate */ 280Sstevel@tonic-gate 290Sstevel@tonic-gate #ifndef _DNS_COMMON_H 300Sstevel@tonic-gate #define _DNS_COMMON_H 310Sstevel@tonic-gate 320Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 330Sstevel@tonic-gate 340Sstevel@tonic-gate #include <stdio.h> 350Sstevel@tonic-gate #include <ctype.h> 360Sstevel@tonic-gate #include <sys/types.h> 370Sstevel@tonic-gate #include <sys/socket.h> 380Sstevel@tonic-gate #include <netinet/in.h> 390Sstevel@tonic-gate #include <netdb.h> 400Sstevel@tonic-gate #include <strings.h> 410Sstevel@tonic-gate #include <thread.h> 42*2830Sdjl #include <arpa/inet.h> 430Sstevel@tonic-gate #include <arpa/nameser.h> 440Sstevel@tonic-gate #include <resolv.h> 450Sstevel@tonic-gate #include <syslog.h> 460Sstevel@tonic-gate #include <nsswitch.h> 47*2830Sdjl #include <nss_common.h> 480Sstevel@tonic-gate #include <nss_dbdefs.h> 490Sstevel@tonic-gate #include <stdlib.h> 500Sstevel@tonic-gate #include <signal.h> 510Sstevel@tonic-gate 520Sstevel@tonic-gate #ifdef __cplusplus 530Sstevel@tonic-gate extern "C" { 540Sstevel@tonic-gate #endif 550Sstevel@tonic-gate 560Sstevel@tonic-gate typedef struct dns_backend *dns_backend_ptr_t; 570Sstevel@tonic-gate typedef nss_status_t (*dns_backend_op_t)(dns_backend_ptr_t, void *); 580Sstevel@tonic-gate 590Sstevel@tonic-gate struct dns_backend { 600Sstevel@tonic-gate dns_backend_op_t *ops; 610Sstevel@tonic-gate nss_dbop_t n_ops; 620Sstevel@tonic-gate }; 630Sstevel@tonic-gate 640Sstevel@tonic-gate /* multithreaded libresolv2 related functions and variables */ 650Sstevel@tonic-gate extern void (*set_no_hosts_fallback)(void); 660Sstevel@tonic-gate extern void (*unset_no_hosts_fallback)(void); 670Sstevel@tonic-gate extern struct __res_state *(*set_res_retry)(); 680Sstevel@tonic-gate extern int (*enable_mt)(); 690Sstevel@tonic-gate extern int (*disable_mt)(); 700Sstevel@tonic-gate extern int *(*get_h_errno)(); 710Sstevel@tonic-gate extern int (*override_retry)(int); 720Sstevel@tonic-gate extern void switch_resolver_setup(int *, sigset_t *, int *); 730Sstevel@tonic-gate extern void switch_resolver_reset(int, sigset_t, int); 740Sstevel@tonic-gate extern mutex_t one_lane; 750Sstevel@tonic-gate 760Sstevel@tonic-gate extern int _thr_sigsetmask(int, const sigset_t *, sigset_t *); 770Sstevel@tonic-gate extern int _mutex_lock(mutex_t *); 780Sstevel@tonic-gate extern int _mutex_unlock(mutex_t *); 790Sstevel@tonic-gate 800Sstevel@tonic-gate extern int ent2result(struct hostent *, nss_XbyY_args_t *, int); 81*2830Sdjl extern int ent2str(struct hostent *, nss_XbyY_args_t *, int); 820Sstevel@tonic-gate 830Sstevel@tonic-gate nss_backend_t *_nss_dns_constr(dns_backend_op_t *, int); 840Sstevel@tonic-gate extern nss_status_t _herrno2nss(int); 850Sstevel@tonic-gate 86*2830Sdjl nss_status_t _nss_dns_gethost_withttl(void *buf, size_t bufsize, int ipnode); 87*2830Sdjl nss_status_t _nss_get_dns_hosts_name(dns_backend_ptr_t *, void **, size_t *); 88*2830Sdjl nss_status_t _nss_get_dns_ipnodes_name(dns_backend_ptr_t *, void **, size_t *); 89*2830Sdjl 900Sstevel@tonic-gate #ifdef __cplusplus 910Sstevel@tonic-gate } 920Sstevel@tonic-gate #endif 930Sstevel@tonic-gate 940Sstevel@tonic-gate #endif /* _DNS_COMMON_H */ 95