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[Redirector] Add DNSHandler

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This commit is contained in:
Connection Refused
2021-10-04 17:01:29 +08:00
parent 5777429347
commit 8ffa2cdf82
10 changed files with 161 additions and 36 deletions
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19
Redirector/EventHandler.cpp
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@@ -1,9 +1,12 @@
#include "EventHandler.h"
#include "DNSHandler.h"
#include "TCPHandler.h"
extern BOOL filterTCP;
extern BOOL filterUDP;
extern bool filterTCP;
extern bool filterUDP;
extern bool filterDNS;
extern vector<wstring> bypassList;
extern vector<wstring> handleList;
@@ -208,24 +211,18 @@ void udpCreated(ENDPOINT_ID id, PNF_UDP_CONN_INFO info)
{
if (!filterUDP)
{
nf_udpDisableFiltering(id);
wcout << "[Redirector][EventHandler][udpCreated][" << id << "][" << info->processId << "][!filterUDP] " << GetProcessName(info->processId) << endl;
return;
}
if (checkBypassName(info->processId))
{
nf_udpDisableFiltering(id);
wcout << "[Redirector][EventHandler][udpCreated][" << id << "][" << info->processId << "][checkBypassName] " << GetProcessName(info->processId) << endl;
return;
}
if (!checkHandleName(info->processId))
{
nf_udpDisableFiltering(id);
wcout << "[Redirector][EventHandler][udpCreated][" << id << "][" << info->processId << "][!checkHandleName] " << GetProcessName(info->processId) << endl;
return;
}
@@ -247,6 +244,12 @@ void udpCanSend(ENDPOINT_ID id)
void udpSend(ENDPOINT_ID id, const unsigned char* target, const char* buffer, int length, PNF_UDP_OPTIONS options)
{
if (filterDNS && DNSHandler::IsDNS((PSOCKADDR_IN6)target))
{
DNSHandler::CreateHandler(id, (PSOCKADDR_IN6)target, buffer, length, options);
return;
}
udpContextLock.lock();
if (udpContext.find(id) == udpContext.end())
{