ab3eacdf31
http://www.opengroup.org/onlinepubs/009695399/functions/gethostbyaddr.html gethostbyaddr_r() is changed as well. It breaks ABI backward compatibility on 64 bit arch. So, we fix it on 32 bit arch only for now. Reported by: Rostislav Krasny <rosti.bsd@gmail.com>
146 lines
4.4 KiB
C
146 lines
4.4 KiB
C
/*-
|
|
* Copyright (C) 2005 The FreeBSD Project. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _NETDB_PRIVATE_H_
|
|
#define _NETDB_PRIVATE_H_
|
|
|
|
#include <stdio.h> /* XXX: for FILE */
|
|
|
|
#define NETDB_THREAD_ALLOC(name) \
|
|
static struct name name; \
|
|
static thread_key_t name##_key; \
|
|
static once_t name##_init_once = ONCE_INITIALIZER; \
|
|
static int name##_thr_keycreated = 0; \
|
|
\
|
|
static void name##_free(void *); \
|
|
\
|
|
static void \
|
|
name##_keycreate(void) \
|
|
{ \
|
|
name##_thr_keycreated = \
|
|
(thr_keycreate(&name##_key, name##_free) == 0); \
|
|
} \
|
|
\
|
|
struct name * \
|
|
__##name##_init(void) \
|
|
{ \
|
|
struct name *he; \
|
|
\
|
|
if (thr_main() != 0) \
|
|
return (&name); \
|
|
if (thr_once(&name##_init_once, name##_keycreate) != 0 || \
|
|
!name##_thr_keycreated) \
|
|
return (NULL); \
|
|
if ((he = thr_getspecific(name##_key)) != NULL) \
|
|
return (he); \
|
|
if ((he = calloc(1, sizeof(*he))) == NULL) \
|
|
return (NULL); \
|
|
if (thr_setspecific(name##_key, he) == 0) \
|
|
return (he); \
|
|
free(he); \
|
|
return (NULL); \
|
|
}
|
|
|
|
#define _MAXALIASES 35
|
|
#define _MAXLINELEN 1024
|
|
#define _MAXADDRS 35
|
|
#define _HOSTBUFSIZE (8 * 1024)
|
|
#define _NETBUFSIZE 1025
|
|
|
|
struct hostent_data {
|
|
uint32_t host_addr[4]; /* IPv4 or IPv6 */
|
|
char *h_addr_ptrs[_MAXADDRS + 1];
|
|
char *host_aliases[_MAXALIASES];
|
|
char hostbuf[_HOSTBUFSIZE];
|
|
FILE *hostf;
|
|
int stayopen;
|
|
#ifdef YP
|
|
char *yp_domain;
|
|
#endif
|
|
};
|
|
|
|
struct netent_data {
|
|
char *net_aliases[_MAXALIASES];
|
|
char netbuf[_NETBUFSIZE];
|
|
FILE *netf;
|
|
int stayopen;
|
|
#ifdef YP
|
|
char *yp_domain;
|
|
#endif
|
|
};
|
|
|
|
struct protoent_data {
|
|
FILE *fp;
|
|
char *aliases[_MAXALIASES];
|
|
int stayopen;
|
|
char line[_MAXLINELEN + 1];
|
|
};
|
|
|
|
struct hostdata {
|
|
struct hostent host;
|
|
char data[sizeof(struct hostent_data)];
|
|
};
|
|
|
|
struct netdata {
|
|
struct netent net;
|
|
char data[sizeof(struct netent_data)];
|
|
};
|
|
|
|
struct protodata {
|
|
struct protoent proto;
|
|
char data[sizeof(struct protoent_data)];
|
|
};
|
|
|
|
struct hostdata *__hostdata_init(void);
|
|
struct hostent *__hostent_init(void);
|
|
struct hostent_data *__hostent_data_init(void);
|
|
struct netdata *__netdata_init(void);
|
|
struct netent_data *__netent_data_init(void);
|
|
struct protodata *__protodata_init(void);
|
|
struct protoent_data *__protoent_data_init(void);
|
|
int __copy_hostent(struct hostent *, struct hostent *, char *, size_t);
|
|
int __copy_netent(struct netent *, struct netent *, char *, size_t);
|
|
int __copy_protoent(struct protoent *, struct protoent *, char *, size_t);
|
|
|
|
void __endprotoent_p(struct protoent_data *);
|
|
int __getprotoent_p(struct protoent *, struct protoent_data *);
|
|
void __setprotoent_p(int, struct protoent_data *);
|
|
void _endhostdnsent(void);
|
|
void _endhosthtent(struct hostent_data *);
|
|
void _endnetdnsent(void);
|
|
void _endnethtent(struct netent_data *);
|
|
struct hostent *_gethostbynisaddr(const void *, socklen_t, int);
|
|
struct hostent *_gethostbynisname(const char *, int);
|
|
void _map_v4v6_address(const char *, char *);
|
|
void _map_v4v6_hostent(struct hostent *, char **, char *);
|
|
void _sethostdnsent(int);
|
|
void _sethosthtent(int, struct hostent_data *);
|
|
void _setnetdnsent(int);
|
|
void _setnethtent(int, struct netent_data *);
|
|
|
|
#endif /* _NETDB_PRIVATE_H_ */
|