Commit 71949ad4 authored by Fawzi Mohamed's avatar Fawzi Mohamed

mdnsds: implement bonjour fallback on windows

* background task requiring no special privilegies (apart firewall)
* started by zeroconf only if bonjour is not installed/not working
* avoids console
* remove some compilation warnings

Change-Id: I50a6aee477ccf681a8e8ab084059190091954006
Reviewed-by: default avatarJarek Kobus <jaroslaw.kobus@nokia.com>
parent a9e7e07b
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MessageIdTypedef=WORD
LanguageNames=(English=0x409:MSG00409)
MessageId=100
SymbolicName=MDNSRESPONDER_LOG
Severity=Success
Facility=Application
Language=English
%1
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/* -*- Mode: C; tab-width: 4 -*-
*
* Copyright (c) 2003-2004 Apple Computer, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// <rdar://problem/4278931> Doesn't compile correctly with latest Platform SDK
#if !defined(_WIN32_DCOM)
# define _WIN32_DCOM
#endif
#include "Firewall.h"
#include <windows.h>
#include <crtdbg.h>
#include <netfw.h>
#include <objbase.h>
#include <oleauto.h>
static const int kMaxTries = 30;
static const int kRetrySleepPeriod = 1 * 1000; // 1 second
static OSStatus
mDNSFirewallInitialize(OUT INetFwProfile ** fwProfile)
{
INetFwMgr * fwMgr = NULL;
INetFwPolicy * fwPolicy = NULL;
int numRetries = 0;
HRESULT err = kNoErr;
_ASSERT(fwProfile != NULL);
*fwProfile = NULL;
// Use COM to get a reference to the firewall settings manager. This
// call will fail on anything other than XP SP2
err = CoCreateInstance( __uuidof(NetFwMgr), NULL, CLSCTX_INPROC_SERVER, __uuidof(INetFwMgr), (void**)&fwMgr );
require(SUCCEEDED(err) && ( fwMgr != NULL ), exit);
// Use the reference to get the local firewall policy
err = fwMgr->get_LocalPolicy(&fwPolicy);
require(SUCCEEDED(err) && ( fwPolicy != NULL ), exit);
// Use the reference to get the extant profile. Empirical evidence
// suggests that there is the potential for a race condition when a system
// service whose startup type is automatic calls this method.
// This is true even when the service declares itself to be dependent
// on the firewall service. Re-trying the method will succeed within
// a few seconds.
do
{
err = fwPolicy->get_CurrentProfile(fwProfile);
if (err)
{
Sleep(kRetrySleepPeriod);
}
}
while (err && (numRetries++ < kMaxTries));
require(SUCCEEDED(err), exit);
err = kNoErr;
exit:
// Release temporary COM objects
if (fwPolicy != NULL)
{
fwPolicy->Release();
}
if (fwMgr != NULL)
{
fwMgr->Release();
}
return err;
}
static void
mDNSFirewallCleanup
(
IN INetFwProfile * fwProfile
)
{
// Call Release on the COM reference.
if (fwProfile != NULL)
{
fwProfile->Release();
}
}
static OSStatus
mDNSFirewallAppIsEnabled
(
IN INetFwProfile * fwProfile,
IN const wchar_t * fwProcessImageFileName,
OUT BOOL * fwAppEnabled
)
{
BSTR fwBstrProcessImageFileName = NULL;
VARIANT_BOOL fwEnabled;
INetFwAuthorizedApplication * fwApp = NULL;
INetFwAuthorizedApplications* fwApps = NULL;
OSStatus err = kNoErr;
_ASSERT(fwProfile != NULL);
_ASSERT(fwProcessImageFileName != NULL);
_ASSERT(fwAppEnabled != NULL);
*fwAppEnabled = FALSE;
// Get the list of authorized applications
err = fwProfile->get_AuthorizedApplications(&fwApps);
require(SUCCEEDED(err) && ( fwApps != NULL ), exit);
fwBstrProcessImageFileName = SysAllocString(fwProcessImageFileName);
require_action( ( fwProcessImageFileName != NULL ) && ( SysStringLen(fwBstrProcessImageFileName) > 0 ), exit, err = kNoMemoryErr);
// Look for us
err = fwApps->Item(fwBstrProcessImageFileName, &fwApp);
if (SUCCEEDED(err) && ( fwApp != NULL ) )
{
// It's listed, but is it enabled?
err = fwApp->get_Enabled(&fwEnabled);
require(SUCCEEDED(err), exit);
if (fwEnabled != VARIANT_FALSE)
{
// Yes, it's enabled
*fwAppEnabled = TRUE;
}
}
err = kNoErr;
exit:
// Deallocate the BSTR
if ( fwBstrProcessImageFileName != NULL )
{
SysFreeString(fwBstrProcessImageFileName);
}
// Release the COM objects
if (fwApp != NULL)
{
fwApp->Release();
}
if (fwApps != NULL)
{
fwApps->Release();
}
return err;
}
static OSStatus
mDNSFirewallAddApp
(
IN INetFwProfile * fwProfile,
IN const wchar_t * fwProcessImageFileName,
IN const wchar_t * fwName
)
{
BOOL fwAppEnabled;
BSTR fwBstrName = NULL;
BSTR fwBstrProcessImageFileName = NULL;
INetFwAuthorizedApplication * fwApp = NULL;
INetFwAuthorizedApplications* fwApps = NULL;
OSStatus err = S_OK;
_ASSERT(fwProfile != NULL);
_ASSERT(fwProcessImageFileName != NULL);
_ASSERT(fwName != NULL);
// First check to see if the application is already authorized.
err = mDNSFirewallAppIsEnabled( fwProfile, fwProcessImageFileName, &fwAppEnabled );
require_noerr(err, exit);
// Only add the application if it isn't enabled
if (!fwAppEnabled)
{
// Get the list of authorized applications
err = fwProfile->get_AuthorizedApplications(&fwApps);
require(SUCCEEDED(err) && ( fwApps != NULL ), exit);
// Create an instance of an authorized application.
err = CoCreateInstance( __uuidof(NetFwAuthorizedApplication), NULL, CLSCTX_INPROC_SERVER, __uuidof(INetFwAuthorizedApplication), (void**)&fwApp );
require(SUCCEEDED(err) && ( fwApp != NULL ), exit);
fwBstrProcessImageFileName = SysAllocString(fwProcessImageFileName);
require_action(( fwProcessImageFileName != NULL ) && ( SysStringLen(fwBstrProcessImageFileName) > 0 ), exit, err = kNoMemoryErr);
// Set the executable file name
err = fwApp->put_ProcessImageFileName(fwBstrProcessImageFileName);
require(SUCCEEDED(err), exit);
fwBstrName = SysAllocString(fwName);
require_action( ( fwBstrName != NULL ) && ( SysStringLen(fwBstrName) > 0 ), exit, err = kNoMemoryErr);
// Set the friendly name
err = fwApp->put_Name(fwBstrName);
require(SUCCEEDED(err), exit);
// Now add the application
err = fwApps->Add(fwApp);
require(SUCCEEDED(err), exit);
}
err = kNoErr;
exit:
// Deallocate the BSTR objects
if ( fwBstrName != NULL )
{
SysFreeString(fwBstrName);
}
if ( fwBstrProcessImageFileName != NULL )
{
SysFreeString(fwBstrProcessImageFileName);
}
// Release the COM objects
if (fwApp != NULL)
{
fwApp->Release();
}
if (fwApps != NULL)
{
fwApps->Release();
}
return err;
}
static OSStatus
mDNSFirewallIsFileAndPrintSharingEnabled
(
IN INetFwProfile * fwProfile,
OUT BOOL * fwServiceEnabled
)
{
VARIANT_BOOL fwEnabled;
INetFwService* fwService = NULL;
INetFwServices* fwServices = NULL;
OSStatus err = S_OK;
_ASSERT(fwProfile != NULL);
_ASSERT(fwServiceEnabled != NULL);
*fwServiceEnabled = FALSE;
// Retrieve the globally open ports collection.
err = fwProfile->get_Services(&fwServices);
require( SUCCEEDED( err ), exit );
// Attempt to retrieve the globally open port.
err = fwServices->Item(NET_FW_SERVICE_FILE_AND_PRINT, &fwService);
require( SUCCEEDED( err ), exit );
// Find out if the globally open port is enabled.
err = fwService->get_Enabled(&fwEnabled);
require( SUCCEEDED( err ), exit );
if (fwEnabled != VARIANT_FALSE)
{
*fwServiceEnabled = TRUE;
}
exit:
// Release the globally open port.
if (fwService != NULL)
{
fwService->Release();
}
// Release the globally open ports collection.
if (fwServices != NULL)
{
fwServices->Release();
}
return err;
}
OSStatus
mDNSAddToFirewall
(
LPWSTR executable,
LPWSTR name
)
{
INetFwProfile * fwProfile = NULL;
HRESULT comInit = E_FAIL;
OSStatus err = kNoErr;
// Initialize COM.
comInit = CoInitializeEx( 0, COINIT_APARTMENTTHREADED | COINIT_DISABLE_OLE1DDE );
// Ignore this case. RPC_E_CHANGED_MODE means that COM has already been
// initialized with a different mode.
if (comInit != RPC_E_CHANGED_MODE)
{
err = comInit;
require(SUCCEEDED(err), exit);
}
// Connect to the firewall
err = mDNSFirewallInitialize(&fwProfile);
require( SUCCEEDED( err ) && ( fwProfile != NULL ), exit);
// Add us to the list of exempt programs
err = mDNSFirewallAddApp( fwProfile, executable, name );
require_noerr(err, exit);
exit:
// Disconnect from the firewall
if ( fwProfile != NULL )
{
mDNSFirewallCleanup(fwProfile);
}
// De-initialize COM
if (SUCCEEDED(comInit))
{
CoUninitialize();
}
return err;
}
BOOL
mDNSIsFileAndPrintSharingEnabled( BOOL * retry )
{
INetFwProfile * fwProfile = NULL;
HRESULT comInit = E_FAIL;
BOOL enabled = FALSE;
OSStatus err = kNoErr;
// Initialize COM.
*retry = FALSE;
comInit = CoInitializeEx( 0, COINIT_APARTMENTTHREADED | COINIT_DISABLE_OLE1DDE );
// Ignore this case. RPC_E_CHANGED_MODE means that COM has already been
// initialized with a different mode.
if (comInit != RPC_E_CHANGED_MODE)
{
*retry = TRUE;
err = comInit;
require(SUCCEEDED(err), exit);
}
// Connect to the firewall
err = mDNSFirewallInitialize(&fwProfile);
require( SUCCEEDED( err ) && ( fwProfile != NULL ), exit);
err = mDNSFirewallIsFileAndPrintSharingEnabled( fwProfile, &enabled );
require_noerr( err, exit );
exit:
// Disconnect from the firewall
if ( fwProfile != NULL )
{
mDNSFirewallCleanup(fwProfile);
}
// De-initialize COM
if (SUCCEEDED(comInit))
{
CoUninitialize();
}
return enabled;
}
/* -*- Mode: C; tab-width: 4 -*-
*
* Copyright (c) 2003-2004 Apple Computer, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _Firewall_h
#define _Firewall_h
#include "CommonServices.h"
#include "DebugServices.h"
#if defined(__cplusplus)
extern "C"
{
#endif
OSStatus
mDNSAddToFirewall
(
LPWSTR executable,
LPWSTR name
);
BOOL
mDNSIsFileAndPrintSharingEnabled( BOOL * retry );
#if defined(__cplusplus)
}
#endif
#endif
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/* -*- Mode: C; tab-width: 4 -*-
*
* Copyright (c) 2002-2004 Apple Computer, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _Poll_h
#define _Poll_h
#include "CommonServices.h"
#include <mswsock.h>
#include "mDNSEmbeddedAPI.h"
#include "uDNS.h"
#if defined(__cplusplus )
extern "C" {
#endif
typedef void ( CALLBACK *mDNSPollSocketCallback )( SOCKET socket, LPWSANETWORKEVENTS event, void *context );
typedef void ( CALLBACK *mDNSPollEventCallback )( HANDLE event, void *context );
extern mStatus
mDNSPollRegisterSocket( SOCKET socket, int networkEvents, mDNSPollSocketCallback callback, void *context );
extern void
mDNSPollUnregisterSocket( SOCKET socket );
extern mStatus
mDNSPollRegisterEvent( HANDLE event, mDNSPollEventCallback callback, void *context );
extern void
mDNSPollUnregisterEvent( HANDLE event );
extern mStatus
mDNSPoll( DWORD msec );
#if defined(__cplusplus)
}
#endif
#endif
/* -*- Mode: C; tab-width: 4 -*-
*
* Copyright (c) 2002-2004 Apple Computer, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0