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/* $Id: HostDnsServiceResolvConf.cpp $ */
/** @file
* Base class for Host DNS & Co services.
*/
/*
* Copyright (C) 2014-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
/* -*- indent-tabs-mode: nil; -*- */
#include <VBox/com/string.h>
#include <VBox/com/ptr.h>
#ifdef RT_OS_OS2
# include <sys/socket.h>
typedef int socklen_t;
#endif
#include <stdio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <iprt/assert.h>
#include <iprt/errcore.h>
#include <iprt/file.h>
#include <iprt/critsect.h>
#include <VBox/log.h>
#include <iprt/sanitized/string>
#include "HostDnsService.h"
#include "../../Devices/Network/slirp/resolv_conf_parser.h"
struct HostDnsServiceResolvConf::Data
{
Data(const char *fileName)
: resolvConfFilename(fileName)
{
};
std::string resolvConfFilename;
};
HostDnsServiceResolvConf::~HostDnsServiceResolvConf()
{
if (m)
{
delete m;
m = NULL;
}
}
HRESULT HostDnsServiceResolvConf::init(HostDnsMonitorProxy *pProxy, const char *aResolvConfFileName)
{
HRESULT hr = HostDnsServiceBase::init(pProxy);
AssertComRCReturn(hr, hr);
m = new Data(aResolvConfFileName);
AssertPtrReturn(m, E_OUTOFMEMORY);
return readResolvConf();
}
void HostDnsServiceResolvConf::uninit(void)
{
if (m)
{
delete m;
m = NULL;
}
HostDnsServiceBase::uninit();
}
const std::string& HostDnsServiceResolvConf::getResolvConf(void) const
{
return m->resolvConfFilename;
}
HRESULT HostDnsServiceResolvConf::readResolvConf(void)
{
struct rcp_state st;
st.rcps_flags = RCPSF_NO_STR2IPCONV;
int rc = rcp_parse(&st, m->resolvConfFilename.c_str());
if (rc == -1)
return S_OK;
HostDnsInformation info;
for (unsigned i = 0; i != st.rcps_num_nameserver; ++i)
{
AssertBreak(st.rcps_str_nameserver[i]);
info.servers.push_back(st.rcps_str_nameserver[i]);
}
if (st.rcps_domain)
info.domain = st.rcps_domain;
for (unsigned i = 0; i != st.rcps_num_searchlist; ++i)
{
AssertBreak(st.rcps_searchlist[i]);
info.searchList.push_back(st.rcps_searchlist[i]);
}
setInfo(info);
return S_OK;
}
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