mirror of
https://github.com/rustdesk/rustdesk.git
synced 2024-12-19 06:31:02 +08:00
414 lines
12 KiB
C++
414 lines
12 KiB
C++
// https://learn.microsoft.com/en-us/previous-versions/windows/desktop/ics/c-adding-an-application-rule-edge-traversal
|
|
|
|
/********************************************************************
|
|
Copyright (C) Microsoft. All Rights Reserved.
|
|
|
|
Abstract:
|
|
This C++ file includes sample code that adds a firewall rule with
|
|
EdgeTraversalOptions (one of the EdgeTraversalOptions values).
|
|
|
|
********************************************************************/
|
|
|
|
#include "pch.h"
|
|
#include <windows.h>
|
|
#include <stdio.h>
|
|
#include <netfw.h>
|
|
#include <strsafe.h>
|
|
|
|
#pragma comment(lib, "ole32.lib")
|
|
#pragma comment(lib, "oleaut32.lib")
|
|
|
|
#define STRING_BUFFER_SIZE 500
|
|
|
|
|
|
// Forward declarations
|
|
HRESULT WFCOMInitialize(INetFwPolicy2** ppNetFwPolicy2);
|
|
void WFCOMCleanup(INetFwPolicy2* pNetFwPolicy2);
|
|
HRESULT RemoveFirewallRule(
|
|
__in INetFwPolicy2* pNetFwPolicy2,
|
|
__in LPWSTR exeName);
|
|
HRESULT AddFirewallRuleWithEdgeTraversal(__in INetFwPolicy2* pNetFwPolicy2,
|
|
__in bool in,
|
|
__in LPWSTR exeName,
|
|
__in LPWSTR exeFile);
|
|
|
|
|
|
bool AddFirewallRule(bool add, LPWSTR exeName, LPWSTR exeFile)
|
|
{
|
|
bool result = false;
|
|
HRESULT hrComInit = S_OK;
|
|
HRESULT hr = S_OK;
|
|
INetFwPolicy2* pNetFwPolicy2 = NULL;
|
|
|
|
// Initialize COM.
|
|
hrComInit = CoInitializeEx(
|
|
0,
|
|
COINIT_APARTMENTTHREADED
|
|
);
|
|
|
|
// Ignore RPC_E_CHANGED_MODE; this just means that COM has already been
|
|
// initialized with a different mode. Since we don't care what the mode is,
|
|
// we'll just use the existing mode.
|
|
if (hrComInit != RPC_E_CHANGED_MODE)
|
|
{
|
|
if (FAILED(hrComInit))
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "CoInitializeEx failed: 0x%08lx\n", hrComInit);
|
|
goto Cleanup;
|
|
}
|
|
}
|
|
|
|
// Retrieve INetFwPolicy2
|
|
hr = WFCOMInitialize(&pNetFwPolicy2);
|
|
if (FAILED(hr))
|
|
{
|
|
goto Cleanup;
|
|
}
|
|
|
|
if (add) {
|
|
// Add firewall rule with EdgeTraversalOption=DeferApp (Windows7+) if available
|
|
// else add with Edge=True (Vista and Server 2008).
|
|
hr = AddFirewallRuleWithEdgeTraversal(pNetFwPolicy2, true, exeName, exeFile);
|
|
hr = AddFirewallRuleWithEdgeTraversal(pNetFwPolicy2, false, exeName, exeFile);
|
|
}
|
|
else {
|
|
hr = RemoveFirewallRule(pNetFwPolicy2, exeName);
|
|
}
|
|
result = SUCCEEDED(hr);
|
|
|
|
Cleanup:
|
|
|
|
// Release INetFwPolicy2
|
|
WFCOMCleanup(pNetFwPolicy2);
|
|
|
|
// Uninitialize COM.
|
|
if (SUCCEEDED(hrComInit))
|
|
{
|
|
CoUninitialize();
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
BSTR MakeRuleName(__in LPWSTR exeName)
|
|
{
|
|
WCHAR pwszTemp[STRING_BUFFER_SIZE] = L"";
|
|
HRESULT hr = StringCchPrintfW(pwszTemp, STRING_BUFFER_SIZE, L"%ls Service", exeName);
|
|
if (FAILED(hr))
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "Failed to compose a resource identifier string: 0x%08lx\n", hr);
|
|
return NULL;
|
|
}
|
|
return SysAllocString(pwszTemp);
|
|
}
|
|
|
|
HRESULT RemoveFirewallRule(
|
|
__in INetFwPolicy2* pNetFwPolicy2,
|
|
__in LPWSTR exeName)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
INetFwRules* pNetFwRules = NULL;
|
|
|
|
WCHAR pwszTemp[STRING_BUFFER_SIZE] = L"";
|
|
|
|
BSTR RuleName = NULL;
|
|
|
|
RuleName = MakeRuleName(exeName);
|
|
if (NULL == RuleName)
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "\nERROR: Insufficient memory\n");
|
|
goto Cleanup;
|
|
}
|
|
|
|
hr = pNetFwPolicy2->get_Rules(&pNetFwRules);
|
|
if (FAILED(hr))
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "Failed to retrieve firewall rules collection : 0x%08lx\n", hr);
|
|
goto Cleanup;
|
|
}
|
|
|
|
// We need to "Remove()" twice, because both "in" and "out" rules are added?
|
|
// There's no remarks for this case https://learn.microsoft.com/en-us/windows/win32/api/netfw/nf-netfw-inetfwrules-remove
|
|
hr = pNetFwRules->Remove(RuleName);
|
|
hr = pNetFwRules->Remove(RuleName);
|
|
if (FAILED(hr)) {
|
|
WcaLog(LOGMSG_STANDARD, "Failed to remove firewall rule \"%ls\" : 0x%08lx\n", exeName, hr);
|
|
}
|
|
else {
|
|
WcaLog(LOGMSG_STANDARD, "Firewall rule \"%ls\" is removed\n", exeName);
|
|
}
|
|
|
|
Cleanup:
|
|
|
|
SysFreeString(RuleName);
|
|
|
|
if (pNetFwRules != NULL)
|
|
{
|
|
pNetFwRules->Release();
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
// Add firewall rule with EdgeTraversalOption=DeferApp (Windows7+) if available
|
|
// else add with Edge=True (Vista and Server 2008).
|
|
HRESULT AddFirewallRuleWithEdgeTraversal(
|
|
__in INetFwPolicy2* pNetFwPolicy2,
|
|
__in bool in,
|
|
__in LPWSTR exeName,
|
|
__in LPWSTR exeFile)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
INetFwRules* pNetFwRules = NULL;
|
|
|
|
INetFwRule* pNetFwRule = NULL;
|
|
INetFwRule2* pNetFwRule2 = NULL;
|
|
|
|
WCHAR pwszTemp[STRING_BUFFER_SIZE] = L"";
|
|
|
|
BSTR RuleName = NULL;
|
|
BSTR RuleGroupName = NULL;
|
|
BSTR RuleDescription = NULL;
|
|
BSTR RuleAppPath = NULL;
|
|
|
|
long CurrentProfilesBitMask = 0;
|
|
|
|
|
|
// For localization purposes, the rule name, description, and group can be
|
|
// provided as indirect strings. These indirect strings can be defined in an rc file.
|
|
// Examples of the indirect string definitions in the rc file -
|
|
// 127 "EdgeTraversalOptions Sample Application"
|
|
// 128 "Allow inbound TCP traffic to application EdgeTraversalOptions.exe"
|
|
// 129 "Allow EdgeTraversalOptions.exe to receive inbound traffic for TCP protocol
|
|
// from remote machines located within your network as well as from
|
|
// the Internet (i.e from outside of your Edge device like Firewall or NAT"
|
|
|
|
|
|
// Examples of using indirect strings -
|
|
// hr = StringCchPrintfW(pwszTemp, STRING_BUFFER_SIZE, L"@EdgeTraversalOptions.exe,-128");
|
|
RuleName = MakeRuleName(exeName);
|
|
if (NULL == RuleName)
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "\nERROR: Insufficient memory\n");
|
|
goto Cleanup;
|
|
}
|
|
// Examples of using indirect strings -
|
|
// hr = StringCchPrintfW(pwszTemp, STRING_BUFFER_SIZE, L"@EdgeTraversalOptions.exe,-127");
|
|
hr = StringCchPrintfW(pwszTemp, STRING_BUFFER_SIZE, exeName);
|
|
if (FAILED(hr))
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "Failed to compose a resource identifier string: 0x%08lx\n", hr);
|
|
goto Cleanup;
|
|
}
|
|
RuleGroupName = SysAllocString(pwszTemp); // Used for grouping together multiple rules
|
|
if (NULL == RuleGroupName)
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "\nERROR: Insufficient memory\n");
|
|
goto Cleanup;
|
|
}
|
|
// Examples of using indirect strings -
|
|
// hr = StringCchPrintfW(pwszTemp, STRING_BUFFER_SIZE, L"@EdgeTraversalOptions.exe,-129");
|
|
hr = StringCchPrintfW(pwszTemp, STRING_BUFFER_SIZE, L"Allow %ls to receive \
|
|
inbound traffic from remote machines located within your network as well as \
|
|
from the Internet", exeName);
|
|
if (FAILED(hr))
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "Failed to compose a resource identifier string: 0x%08lx\n", hr);
|
|
goto Cleanup;
|
|
}
|
|
RuleDescription = SysAllocString(pwszTemp);
|
|
if (NULL == RuleDescription)
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "\nERROR: Insufficient memory\n");
|
|
goto Cleanup;
|
|
}
|
|
|
|
RuleAppPath = SysAllocString(exeFile);
|
|
if (NULL == RuleAppPath)
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "\nERROR: Insufficient memory\n");
|
|
goto Cleanup;
|
|
}
|
|
|
|
hr = pNetFwPolicy2->get_Rules(&pNetFwRules);
|
|
|
|
if (FAILED(hr))
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "Failed to retrieve firewall rules collection : 0x%08lx\n", hr);
|
|
goto Cleanup;
|
|
}
|
|
|
|
hr = CoCreateInstance(
|
|
__uuidof(NetFwRule), //CLSID of the class whose object is to be created
|
|
NULL,
|
|
CLSCTX_INPROC_SERVER,
|
|
__uuidof(INetFwRule), // Identifier of the Interface used for communicating with the object
|
|
(void**)&pNetFwRule);
|
|
|
|
if (FAILED(hr))
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "CoCreateInstance for INetFwRule failed: 0x%08lx\n", hr);
|
|
goto Cleanup;
|
|
}
|
|
|
|
hr = pNetFwRule->put_Name(RuleName);
|
|
if (FAILED(hr))
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "Failed INetFwRule::put_Name failed with error: 0x %x.\n", hr);
|
|
goto Cleanup;
|
|
}
|
|
|
|
hr = pNetFwRule->put_Grouping(RuleGroupName);
|
|
if (FAILED(hr))
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "Failed INetFwRule::put_Grouping failed with error: 0x %x.\n", hr);
|
|
goto Cleanup;
|
|
}
|
|
|
|
hr = pNetFwRule->put_Description(RuleDescription);
|
|
if (FAILED(hr))
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "Failed INetFwRule::put_Description failed with error: 0x %x.\n", hr);
|
|
goto Cleanup;
|
|
}
|
|
|
|
// If you want the rule to avoid public, you can refer to
|
|
// https://learn.microsoft.com/en-us/previous-versions/windows/desktop/ics/c-adding-an-outbound-rule
|
|
CurrentProfilesBitMask = NET_FW_PROFILE2_ALL;
|
|
|
|
hr = pNetFwRule->put_Direction(in ? NET_FW_RULE_DIR_IN : NET_FW_RULE_DIR_OUT);
|
|
if (FAILED(hr))
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "Failed INetFwRule::put_Direction failed with error: 0x %x.\n", hr);
|
|
goto Cleanup;
|
|
}
|
|
|
|
|
|
hr = pNetFwRule->put_Action(NET_FW_ACTION_ALLOW);
|
|
if (FAILED(hr))
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "Failed INetFwRule::put_Action failed with error: 0x %x.\n", hr);
|
|
goto Cleanup;
|
|
}
|
|
|
|
hr = pNetFwRule->put_ApplicationName(RuleAppPath);
|
|
if (FAILED(hr))
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "Failed INetFwRule::put_ApplicationName failed with error: 0x %x.\n", hr);
|
|
goto Cleanup;
|
|
}
|
|
|
|
//hr = pNetFwRule->put_Protocol(6); // TCP
|
|
//if (FAILED(hr))
|
|
//{
|
|
// WcaLog(LOGMSG_STANDARD, "Failed INetFwRule::put_Protocol failed with error: 0x %x.\n", hr);
|
|
// goto Cleanup;
|
|
//}
|
|
|
|
hr = pNetFwRule->put_Profiles(CurrentProfilesBitMask);
|
|
if (FAILED(hr))
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "Failed INetFwRule::put_Profiles failed with error: 0x %x.\n", hr);
|
|
goto Cleanup;
|
|
}
|
|
|
|
hr = pNetFwRule->put_Enabled(VARIANT_TRUE);
|
|
if (FAILED(hr))
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "Failed INetFwRule::put_Enabled failed with error: 0x %x.\n", hr);
|
|
goto Cleanup;
|
|
}
|
|
|
|
if (in) {
|
|
// Check if INetFwRule2 interface is available (i.e Windows7+)
|
|
// If supported, then use EdgeTraversalOptions
|
|
// Else use the EdgeTraversal boolean flag.
|
|
|
|
if (SUCCEEDED(pNetFwRule->QueryInterface(__uuidof(INetFwRule2), (void**)&pNetFwRule2)))
|
|
{
|
|
hr = pNetFwRule2->put_EdgeTraversalOptions(NET_FW_EDGE_TRAVERSAL_TYPE_DEFER_TO_APP);
|
|
if (FAILED(hr))
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "Failed INetFwRule::put_EdgeTraversalOptions failed with error: 0x %x.\n", hr);
|
|
goto Cleanup;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
hr = pNetFwRule->put_EdgeTraversal(VARIANT_TRUE);
|
|
if (FAILED(hr))
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "Failed INetFwRule::put_EdgeTraversal failed with error: 0x %x.\n", hr);
|
|
goto Cleanup;
|
|
}
|
|
}
|
|
}
|
|
|
|
hr = pNetFwRules->Add(pNetFwRule);
|
|
if (FAILED(hr))
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "Failed to add firewall rule to the firewall rules collection : 0x%08lx\n", hr);
|
|
goto Cleanup;
|
|
}
|
|
|
|
WcaLog(LOGMSG_STANDARD, "Successfully added firewall rule !\n");
|
|
|
|
Cleanup:
|
|
|
|
SysFreeString(RuleName);
|
|
SysFreeString(RuleGroupName);
|
|
SysFreeString(RuleDescription);
|
|
SysFreeString(RuleAppPath);
|
|
|
|
if (pNetFwRule2 != NULL)
|
|
{
|
|
pNetFwRule2->Release();
|
|
}
|
|
|
|
if (pNetFwRule != NULL)
|
|
{
|
|
pNetFwRule->Release();
|
|
}
|
|
|
|
if (pNetFwRules != NULL)
|
|
{
|
|
pNetFwRules->Release();
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
|
|
// Instantiate INetFwPolicy2
|
|
HRESULT WFCOMInitialize(INetFwPolicy2** ppNetFwPolicy2)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
hr = CoCreateInstance(
|
|
__uuidof(NetFwPolicy2),
|
|
NULL,
|
|
CLSCTX_INPROC_SERVER,
|
|
__uuidof(INetFwPolicy2),
|
|
(void**)ppNetFwPolicy2);
|
|
|
|
if (FAILED(hr))
|
|
{
|
|
WcaLog(LOGMSG_STANDARD, "CoCreateInstance for INetFwPolicy2 failed: 0x%08lx\n", hr);
|
|
goto Cleanup;
|
|
}
|
|
|
|
Cleanup:
|
|
return hr;
|
|
}
|
|
|
|
|
|
// Release INetFwPolicy2
|
|
void WFCOMCleanup(INetFwPolicy2* pNetFwPolicy2)
|
|
{
|
|
// Release the INetFwPolicy2 object (Vista+)
|
|
if (pNetFwPolicy2 != NULL)
|
|
{
|
|
pNetFwPolicy2->Release();
|
|
}
|
|
}
|