2012-01-13 13:26:50 +01:00
|
|
|
/*
|
|
|
|
* Copyright (C) 2011 The Android Open Source 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:
|
|
|
|
* * Redistributions of source code must retain the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer.
|
|
|
|
* * 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 COPYRIGHT HOLDERS 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
|
|
|
|
* COPYRIGHT OWNER 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.
|
|
|
|
*/
|
|
|
|
#ifndef _RESOLV_IFACE_H
|
|
|
|
#define _RESOLV_IFACE_H
|
|
|
|
|
|
|
|
/* This header contains declarations related to per-interface DNS
|
|
|
|
* server selection. They are used by system/netd/ and should not be
|
|
|
|
* exposed by the C library's public NDK headers.
|
|
|
|
*
|
|
|
|
* NOTE: <resolv.h> contains the same declarations, this will be removed
|
|
|
|
* when we change system/netd to use this header instead.
|
|
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
#include <netinet/in.h>
|
|
|
|
|
|
|
|
__BEGIN_DECLS
|
|
|
|
|
|
|
|
/* Use a guard macro until we remove the same definitions from <resolv.h> */
|
|
|
|
#ifndef _BIONIC_RESOLV_IFACE_FUNCTIONS_DECLARED
|
|
|
|
#define _BIONIC_RESOLV_IFACE_FUNCTIONS_DECLARED
|
|
|
|
|
|
|
|
/* Set name of default interface */
|
|
|
|
extern void _resolv_set_default_iface(const char* ifname);
|
|
|
|
|
|
|
|
/* set name servers for an interface */
|
2013-02-28 00:48:55 +01:00
|
|
|
extern void _resolv_set_nameservers_for_iface(const char* ifname, const char** servers, int numservers,
|
2012-11-13 20:50:57 +01:00
|
|
|
const char *domains);
|
2012-01-13 13:26:50 +01:00
|
|
|
|
|
|
|
/* tell resolver of the address of an interface */
|
|
|
|
extern void _resolv_set_addr_of_iface(const char* ifname, struct in_addr* addr);
|
|
|
|
|
|
|
|
/* flush the cache associated with the default interface */
|
|
|
|
extern void _resolv_flush_cache_for_default_iface();
|
|
|
|
|
|
|
|
/* flush the cache associated with a certain interface */
|
|
|
|
extern void _resolv_flush_cache_for_iface(const char* ifname);
|
|
|
|
|
2011-08-23 14:34:14 +02:00
|
|
|
/* set a pid to use the name servers of the specified interface */
|
|
|
|
extern void _resolv_set_iface_for_pid(const char* ifname, int pid);
|
|
|
|
|
|
|
|
/* clear pid from being associated with an interface */
|
|
|
|
extern void _resolv_clear_iface_for_pid(int pid);
|
|
|
|
|
|
|
|
/** Gets the name of the interface to which the pid is attached.
|
|
|
|
* On error, -1 is returned.
|
|
|
|
* If no interface is found, 0 is returned and buff is set to empty ('\0').
|
|
|
|
* If an interface is found, the name is copied to buff and the length of the name is returned.
|
|
|
|
* Arguments: pid The pid to find an interface for
|
|
|
|
* buff A buffer to copy the result to
|
|
|
|
* buffLen Length of buff. An interface is at most IF_NAMESIZE in length */
|
|
|
|
extern int _resolv_get_pids_associated_interface(int pid, char* buff, int buffLen);
|
|
|
|
|
2012-01-13 13:26:50 +01:00
|
|
|
#endif /* _BIONIC_RESOLV_IFACE_FUNCTIONS_DECLARED */
|
|
|
|
|
|
|
|
__END_DECLS
|
|
|
|
|
|
|
|
#endif /* _RESOLV_IFACE_H */
|