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) 1993, 1998-1999 by Sun Microsystems, Inc. 24*0Sstevel@tonic-gate * All rights reserved. 25*0Sstevel@tonic-gate * 26*0Sstevel@tonic-gate * Common code and structures used by name-service-switch "dns" backends. 27*0Sstevel@tonic-gate */ 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #ifndef _DNS_COMMON_H 30*0Sstevel@tonic-gate #define _DNS_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 <stdio.h> 35*0Sstevel@tonic-gate #include <ctype.h> 36*0Sstevel@tonic-gate #include <sys/types.h> 37*0Sstevel@tonic-gate #include <sys/socket.h> 38*0Sstevel@tonic-gate #include <netinet/in.h> 39*0Sstevel@tonic-gate #include <netdb.h> 40*0Sstevel@tonic-gate #include <strings.h> 41*0Sstevel@tonic-gate #include <thread.h> 42*0Sstevel@tonic-gate #include <arpa/nameser.h> 43*0Sstevel@tonic-gate #include <resolv.h> 44*0Sstevel@tonic-gate #include <syslog.h> 45*0Sstevel@tonic-gate #include <nsswitch.h> 46*0Sstevel@tonic-gate #include <nss_dbdefs.h> 47*0Sstevel@tonic-gate #include <stdlib.h> 48*0Sstevel@tonic-gate #include <signal.h> 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate #ifdef __cplusplus 51*0Sstevel@tonic-gate extern "C" { 52*0Sstevel@tonic-gate #endif 53*0Sstevel@tonic-gate 54*0Sstevel@tonic-gate typedef struct dns_backend *dns_backend_ptr_t; 55*0Sstevel@tonic-gate typedef nss_status_t (*dns_backend_op_t)(dns_backend_ptr_t, void *); 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate struct dns_backend { 58*0Sstevel@tonic-gate dns_backend_op_t *ops; 59*0Sstevel@tonic-gate nss_dbop_t n_ops; 60*0Sstevel@tonic-gate }; 61*0Sstevel@tonic-gate 62*0Sstevel@tonic-gate /* multithreaded libresolv2 related functions and variables */ 63*0Sstevel@tonic-gate extern void (*set_no_hosts_fallback)(void); 64*0Sstevel@tonic-gate extern void (*unset_no_hosts_fallback)(void); 65*0Sstevel@tonic-gate extern struct __res_state *(*set_res_retry)(); 66*0Sstevel@tonic-gate extern int (*enable_mt)(); 67*0Sstevel@tonic-gate extern int (*disable_mt)(); 68*0Sstevel@tonic-gate extern int *(*get_h_errno)(); 69*0Sstevel@tonic-gate extern int (*override_retry)(int); 70*0Sstevel@tonic-gate extern void switch_resolver_setup(int *, sigset_t *, int *); 71*0Sstevel@tonic-gate extern void switch_resolver_reset(int, sigset_t, int); 72*0Sstevel@tonic-gate extern mutex_t one_lane; 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate extern int _thr_sigsetmask(int, const sigset_t *, sigset_t *); 75*0Sstevel@tonic-gate extern int _mutex_lock(mutex_t *); 76*0Sstevel@tonic-gate extern int _mutex_unlock(mutex_t *); 77*0Sstevel@tonic-gate extern const char *inet_ntop(int, const void *, char *, size_t); 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate extern int ent2result(struct hostent *, nss_XbyY_args_t *, int); 80*0Sstevel@tonic-gate 81*0Sstevel@tonic-gate nss_backend_t *_nss_dns_constr(dns_backend_op_t *, int); 82*0Sstevel@tonic-gate extern nss_status_t _herrno2nss(int); 83*0Sstevel@tonic-gate 84*0Sstevel@tonic-gate #ifdef __cplusplus 85*0Sstevel@tonic-gate } 86*0Sstevel@tonic-gate #endif 87*0Sstevel@tonic-gate 88*0Sstevel@tonic-gate #endif /* _DNS_COMMON_H */ 89