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DualServer.cpp
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11073 lines (9482 loc) · 271 KB
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/**************************************************************************
* Copyright (C) 2005 by Achal Dhir *
* achaldhir@gmail.com *
* *
* 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; either version 2 of the License, or *
* (at your option) any later version. *
* a *
* 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, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
// Dual Service.cpp
#include <stdio.h>
#include <winsock2.h>
#include <time.h>
#include <tchar.h>
#include <ws2tcpip.h>
#include <limits.h>
#include <iphlpapi.h>
#include <process.h>
#include <math.h>
#include "DualServer.h"
//Global Variables
bool kRunning = true;
bool verbatim = false;
SERVICE_STATUS serviceStatus;
SERVICE_STATUS_HANDLE serviceStatusHandle = 0;
HANDLE stopServiceEvent = 0;
//data1 network;
data1 network;
data2 cfig;
data9 token;
data9 dhcpr;
data5 dnsr;
data71 lump;
data18 magin;
MYBYTE currentInd = 0;
hostMap dnsCache[2];
dhcpMap dhcpCache;
expiryMap dnsAge[2];
//expiryMap dhcpAge;
char serviceName[] = "CnbbxServer";
char displayName[] = "Cnbbx DHCP DNS Service";
//char tempbuff[512];
//char extbuff[512];
//char logBuff[512];
char htmlTitle[256] = "";
char filePATH[_MAX_PATH];
char iniFile[_MAX_PATH];
char leaFile[_MAX_PATH];
char logFile[_MAX_PATH];
char htmFile[_MAX_PATH];
char lnkFile[_MAX_PATH];
char tempFile[_MAX_PATH];
char cliFile[_MAX_PATH];
char arpa[] = ".in-addr.arpa";
char ip6arpa[] = ".ip6.arpa";
bool dhcpService = true;
bool dnsService = true;
time_t t = time(NULL);
timeval tv;
fd_set readfds;
fd_set writefds;
HANDLE lEvent;
HANDLE fEvent;
HANDLE rEvent;
//constants
const char NBSP = 32;
const char RANGESET[] = "RANGE_SET";
const char GLOBALOPTIONS[] = "GLOBAL_OPTIONS";
const char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
//const char send403[] = "HTTP/1.1 403 Forbidden\r\nDate: %s\r\nLast-Modified: %s\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n";
const char send403[] = "HTTP/1.1 403 Forbidden\r\n\r\n<h1>403 Forbidden</h1>";
const char send404[] = "HTTP/1.1 404 Not Found\r\n\r\n<h1>404 Not Found</h1>";
const char td200[] = "<td>%s</td>";
const char sVersion[] = "Cnbbx DHCP DNS Server Version 1.1";
const char htmlStart[] = "<html>\n<head>\n<title>%s</title>\n<meta http-equiv=\"refresh\" content=\"60\">\n<meta http-equiv=\"cache-control\" content=\"no-cache\">\n</head>\n";
//const char bodyStart[] = "<body bgcolor=\"#cccccc\"><table width=\"800\"><tr><td align=\"center\"><font size=\"5\"><b>%s</b></font></b></b></td></tr><tr><td align=\"right\"><a target=\"_new\" href=\"http://dhcp-dns-server.sourceforge.net/\">http://dhcp-dns-server.sourceforge.net/</b></b></td></tr></table>";
//const char bodyStart[] = "<body bgcolor=\"#cccccc\"><table width=640><tr><td align=\"center\"><font size=\"5\"><b>%s</b></font></td></tr><tr><td align=\"right\"><a target=\"_new\" href=\"http://dhcp-dns-server.sourceforge.net\">http://dhcp-dns-server.sourceforge.net</td></tr></table>";
const char bodyStart[] = "<style>\
table{width:100%%;border-collapse:collapse;font-family:Futura,Arial,sans-serif;margin: 3em auto;}\
caption{font-size:larger;margin:1em auto}\
td,th{padding:.65em}\
th{background:#555 nonerepeat scroll 0 0;color:#000}\
tbody tr:nth-child(odd){background:#ccc}\
th:first-child{border-radius:9px 0 0 0}\
th:last-child{border-radius:0 9px 0 0}\
tr:last-child td:first-child{border-radius:0 0 0 9px}\
tr:last-child td:last-child{border-radius:0 0 9px 0}\
</style>\
<body><div style=\"margin:0 auto;width:75%%;\">\
<table><tr><td align=\"center\"><font size=\"5\"><b>%s</b></font></td></tr><tr><td align=\"right\"><a style=\"text-decoration:none;\" target=\"_new\" href=\"http://www.cnbbx.com/\">中国百宝箱专用DCHP和DNS服务器 By 2009-2017 © Cnbbx Inc.</a></td></tr></table>";
//const char bodyStart[] = "<body bgcolor=\"#cccccc\"><table width=640><tr><td align=\"center\"><font size=\"5\"><b>%s</b></font></td></tr><tr><td align=\"center\"><font size=\"5\">%s</font></td></tr></table>";
const data4 opData[] =
{
{ "SubnetMask", 1, 3, 1},
{ "TimeOffset", 2, 4, 1},
{ "Router", 3, 3, 1},
{ "TimeServer", 4, 3, 1},
{ "NameServer", 5, 3, 1},
{ "DomainServer", 6, 3, 1},
{ "LogServer", 7, 3, 1},
{ "QuotesServer", 8, 3, 1},
{ "LPRServer", 9, 3, 1},
{ "ImpressServer", 10, 3, 1},
{ "RLPServer", 11, 3, 1},
{ "Hostname", 12, 1, 1},
{ "BootFileSize", 13, 5, 1},
{ "MeritDumpFile", 14, 1, 1},
{ "DomainName", 15, 1, 1},
{ "SwapServer", 16, 3, 1},
{ "RootPath", 17, 1, 1},
{ "ExtensionFile", 18, 1, 1},
{ "ForwardOn/Off", 19, 7, 1},
{ "SrcRteOn/Off", 20, 7, 1},
{ "PolicyFilter", 21, 8, 1},
{ "MaxDGAssembly", 22, 5, 1},
{ "DefaultIPTTL", 23, 6, 1},
{ "MTUTimeout", 24, 4, 1},
{ "MTUPlateau", 25, 2, 1},
{ "MTUInterface", 26, 5, 1},
{ "MTUSubnet", 27, 7, 1},
{ "BroadcastAddress", 28, 3, 1},
{ "MaskDiscovery", 29, 7, 1},
{ "MaskSupplier", 30, 7, 1},
{ "RouterDiscovery", 31, 7, 1},
{ "RouterRequest", 32, 3, 1},
{ "StaticRoute", 33, 8, 1},
{ "Trailers", 34, 7, 1},
{ "ARPTimeout", 35, 4, 1},
{ "Ethernet", 36, 7, 1},
{ "DefaultTCPTTL", 37, 6, 1},
{ "KeepaliveTime", 38, 4, 1},
{ "KeepaliveData", 39, 7, 1},
{ "NISDomain", 40, 1, 1},
{ "NISServers", 41, 3, 1},
{ "NTPServers", 42, 3, 1},
{ "VendorSpecificInf", 43, 2, 0},
{ "NETBIOSNameSrv", 44, 3, 1},
{ "NETBIOSDistSrv", 45, 3, 1},
{ "NETBIOSNodeType", 46, 6, 1},
{ "NETBIOSScope", 47, 1, 1},
{ "XWindowFont", 48, 1, 1},
{ "XWindowManager", 49, 3, 1},
{ "AddressRequest", 50, 3, 0},
{ "AddressTime", 51, 4, 1},
{ "OverLoad", 52, 7, 0},
{ "DHCPMsgType", 53, 6, 0},
{ "DHCPServerId", 54, 3, 0},
{ "ParameterList", 55, 2, 0},
{ "DHCPMessage", 56, 1, 0},
{ "DHCPMaxMsgSize", 57, 5, 0},
{ "RenewalTime", 58, 4, 1},
{ "RebindingTime", 59, 4, 1},
{ "ClassId", 60, 1, 0},
{ "ClientId", 61, 2, 0},
{ "NetWareIPDomain", 62, 1, 1},
{ "NetWareIPOption", 63, 2, 1},
{ "NISDomainName", 64, 1, 1},
{ "NISServerAddr", 65, 3, 1},
{ "TFTPServerName", 66, 1, 1},
{ "BootFileOption", 67, 1, 1},
{ "HomeAgentAddrs", 68, 3, 1},
{ "SMTPServer", 69, 3, 1},
{ "POP3Server", 70, 3, 1},
{ "NNTPServer", 71, 3, 1},
{ "WWWServer", 72, 3, 1},
{ "FingerServer", 73, 3, 1},
{ "IRCServer", 74, 3, 1},
{ "StreetTalkServer", 75, 3, 1},
{ "STDAServer", 76, 3, 1},
{ "UserClass", 77, 1, 0},
{ "DirectoryAgent", 78, 1, 1},
{ "ServiceScope", 79, 1, 1},
{ "RapidCommit", 80, 2, 0},
{ "ClientFQDN", 81, 2, 0},
{ "RelayAgentInformation", 82, 2, 0},
{ "iSNS", 83, 1, 1},
{ "NDSServers", 85, 3, 1},
{ "NDSTreeName", 86, 1, 1},
{ "NDSContext", 87, 1, 1},
{ "LDAP", 95, 1, 1},
{ "PCode", 100, 1, 1},
{ "TCode", 101, 1, 1},
{ "NetInfoAddress", 112, 3, 1},
{ "NetInfoTag", 113, 1, 1},
{ "URL", 114, 1, 1},
{ "AutoConfig", 116, 7, 1},
{ "NameServiceSearch", 117, 2, 1},
{ "SubnetSelectionOption", 118, 3, 1},
{ "DomainSearch", 119, 1, 1},
{ "SIPServersDHCPOption", 120, 1, 1},
// { "121", 121, 1, 1},
{ "CCC", 122, 1, 1},
{ "TFTPServerIPaddress", 128, 3, 1},
{ "CallServerIPaddress", 129, 3, 1},
{ "DiscriminationString", 130, 1, 1},
{ "RemoteStatisticsServerIPAddress", 131, 3, 1},
{ "HTTPProxyPhone", 135, 3, 1},
{ "OPTION_CAPWAP_AC_V4", 138, 1, 1},
{ "OPTIONIPv4_AddressMoS", 139, 1, 1},
{ "OPTIONIPv4_FQDNMoS", 140, 1, 1},
{ "SIPUAServiceDomains", 141, 1, 1},
{ "OPTIONIPv4_AddressANDSF", 142, 1, 1},
{ "IPTelephone", 176, 1, 1},
{ "ConfigurationFile", 209, 1, 1},
{ "PathPrefix", 210, 1, 1},
{ "RebootTime", 211, 4, 1},
{ "OPTION_6RD", 212, 1, 1},
{ "OPTION_V4_ACCESS_DOMAIN", 213, 1, 1},
{ "BootFileName", 253, 1, 1},
{ "NextServer", 254, 3, 1},
};
void WINAPI ServiceControlHandler(DWORD controlCode)
{
switch (controlCode)
{
case SERVICE_CONTROL_INTERROGATE:
break;
case SERVICE_CONTROL_SHUTDOWN:
case SERVICE_CONTROL_STOP:
serviceStatus.dwCurrentState = SERVICE_STOP_PENDING;
serviceStatus.dwWaitHint = 20000;
serviceStatus.dwCheckPoint = 1;
SetServiceStatus(serviceStatusHandle, &serviceStatus);
kRunning = false;
SetEvent(stopServiceEvent);
return;
case SERVICE_CONTROL_PAUSE:
break;
case SERVICE_CONTROL_CONTINUE:
break;
default:
if (controlCode >= 128 && controlCode <= 255)
break;
else
break;
}
SetServiceStatus(serviceStatusHandle, &serviceStatus);
}
void WINAPI ServiceMain(DWORD /*argc*/, TCHAR* /*argv*/[])
{
char logBuff[512];
serviceStatus.dwServiceType = SERVICE_WIN32;
serviceStatus.dwCurrentState = SERVICE_STOPPED;
serviceStatus.dwControlsAccepted = 0;
serviceStatus.dwWin32ExitCode = NO_ERROR;
serviceStatus.dwServiceSpecificExitCode = NO_ERROR;
serviceStatus.dwCheckPoint = 0;
serviceStatus.dwWaitHint = 0;
serviceStatusHandle = RegisterServiceCtrlHandler(serviceName, ServiceControlHandler);
if (serviceStatusHandle)
{
serviceStatus.dwCurrentState = SERVICE_START_PENDING;
SetServiceStatus(serviceStatusHandle, &serviceStatus);
if (_beginthread(init, 0, 0) == 0)
{
if (verbatim || cfig.dnsLogLevel || cfig.dhcpLogLevel)
{
sprintf(logBuff, "Thread Creation Failed");
logMess(logBuff, 1);
}
exit(-1);
}
tv.tv_sec = 20;
tv.tv_usec = 0;
stopServiceEvent = CreateEvent(0, FALSE, FALSE, 0);
serviceStatus.dwControlsAccepted |= (SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN);
serviceStatus.dwCurrentState = SERVICE_RUNNING;
SetServiceStatus(serviceStatusHandle, &serviceStatus);
do
{
if (!network.ready)
{
Sleep(1000);
network.busy = false;
continue;
}
if ((dhcpService && !network.dhcpConn[0].ready) || (dnsService && !network.dnsUdpConn[0].ready))
{
Sleep(1000);
network.busy = false;
continue;
}
//Sleep(200000);
//debug("good");
FD_ZERO(&readfds);
network.busy = true;
if (dhcpService)
{
if (network.httpConn.ready)
FD_SET(network.httpConn.sock, &readfds);
for (int i = 0; i < MAX_SERVERS && network.dhcpConn[i].ready; i++)
FD_SET(network.dhcpConn[i].sock, &readfds);
if (cfig.dhcpReplConn.ready)
FD_SET(cfig.dhcpReplConn.sock, &readfds);
}
if (dnsService)
{
for (int i = 0; i < MAX_SERVERS && network.dnsUdpConn[i].ready; i++)
FD_SET(network.dnsUdpConn[i].sock, &readfds);
for (int i = 0; i < MAX_SERVERS && network.dnsTcpConn[i].ready; i++)
FD_SET(network.dnsTcpConn[i].sock, &readfds);
if (network.forwConn.ready)
FD_SET(network.forwConn.sock, &readfds);
}
if (select(network.maxFD, &readfds, NULL, NULL, &tv))
{
t = time(NULL);
if (dhcpService)
{
if (network.httpConn.ready && FD_ISSET(network.httpConn.sock, &readfds))
{
data19 *req = (data19*)calloc(1, sizeof(data19));
if (req)
{
req->sockLen = sizeof(req->remote);
req->sock = accept(network.httpConn.sock, (sockaddr*)&req->remote, &req->sockLen);
errno = WSAGetLastError();
if (errno || req->sock == INVALID_SOCKET)
{
sprintf(logBuff, "Accept Failed, WSAError=%d", errno);
logDHCPMess(logBuff, 1);
free(req);
}
else
procHTTP(req);
}
else
{
sprintf(logBuff, "Memory Error");
logDHCPMess(logBuff, 1);
}
}
if (cfig.dhcpReplConn.ready && FD_ISSET(cfig.dhcpReplConn.sock, &readfds))
{
errno = 0;
dhcpr.sockLen = sizeof(dhcpr.remote);
dhcpr.bytes = recvfrom(cfig.dhcpReplConn.sock,
dhcpr.raw,
sizeof(dhcpr.raw),
0,
(sockaddr*)&dhcpr.remote,
&dhcpr.sockLen);
errno = WSAGetLastError();
if (errno || dhcpr.bytes <= 0)
cfig.dhcpRepl = 0;
}
for (int i = 0; i < MAX_SERVERS && network.dhcpConn[i].ready; i++)
{
if (FD_ISSET(network.dhcpConn[i].sock, &readfds) && gdmess(&dhcpr, i) && sdmess(&dhcpr))
alad(&dhcpr);
}
}
if (dnsService)
{
for (int i = 0; i < MAX_SERVERS && network.dnsUdpConn[i].ready; i++)
{
if (FD_ISSET(network.dnsUdpConn[i].sock, &readfds))
{
if (gdnmess(&dnsr, i))
{
if (scanloc(&dnsr))
{
if (dnsr.dnsp->header.ancount)
{
if (verbatim || cfig.dnsLogLevel >= 2)
{
if (dnsr.dnsType == DNS_TYPE_SOA)
sprintf(logBuff, "SOA Sent for zone %s", dnsr.query);
else if (dnsr.dnsType == DNS_TYPE_NS)
sprintf(logBuff, "NS Sent for zone %s", dnsr.query);
else if (dnsr.cType == CTYPE_CACHED)
sprintf(logBuff, "%s resolved from Cache to %s", strquery(&dnsr), getResult(&dnsr));
//sprintf(logBuff, "%s resolved from Cache to %s (%u)", strquery(&dnsr), getResult(&dnsr), dnsAge[currentInd].size());
else
sprintf(logBuff, "%s resolved Locally to %s", strquery(&dnsr), getResult(&dnsr));
logDNSMess(&dnsr, logBuff, 2);
}
}
else if (dnsr.dnsp->header.rcode == RCODE_NOERROR)
{
dnsr.dnsp->header.rcode = RCODE_NAMEERROR;
if (verbatim || cfig.dnsLogLevel >= 2)
{
sprintf(logBuff, "%s not found", strquery(&dnsr));
logDNSMess(&dnsr, logBuff, 2);
}
}
sdnmess(&dnsr);
}
else if (!fdnmess(&dnsr))
{
if (!dnsr.dnsp->header.ancount && (dnsr.dnsp->header.rcode == RCODE_NOERROR || dnsr.dnsp->header.rcode == RCODE_NAMEERROR))
{
dnsr.dnsp->header.rcode = RCODE_NAMEERROR;
if (verbatim || cfig.dnsLogLevel >= 2)
{
sprintf(logBuff, "%s not found", strquery(&dnsr));
logDNSMess(&dnsr, logBuff, 2);
}
}
sdnmess(&dnsr);
}
}
else if (dnsr.dnsp)
sdnmess(&dnsr);
}
}
for (int i = 0; i < MAX_SERVERS && network.dnsTcpConn[i].ready; i++)
{
if (FD_ISSET(network.dnsTcpConn[i].sock, &readfds))
{
dnsr.sockInd = i;
dnsr.sockLen = sizeof(dnsr.remote);
errno = 0;
dnsr.sock = accept(network.dnsTcpConn[i].sock, (sockaddr*)&dnsr.remote, &dnsr.sockLen);
errno = WSAGetLastError();
if (dnsr.sock == INVALID_SOCKET || errno)
{
if (verbatim || cfig.dnsLogLevel)
{
sprintf(logBuff, "Accept Failed, WSAError=%d", errno);
logDNSMess(logBuff, 1);
}
}
else
procTCP(&dnsr);
}
}
if (network.forwConn.ready && FD_ISSET(network.forwConn.sock, &readfds))
{
if (frdnmess(&dnsr))
{
sdnmess(&dnsr);
if (verbatim || cfig.dnsLogLevel >= 2)
{
if (dnsr.dnsIndex < MAX_SERVERS)
{
if (dnsr.dnsp->header.ancount)
{
if (getResult(&dnsr))
sprintf(logBuff, "%s resolved from Forwarding Server as %s", strquery(&dnsr), dnsr.tempname);
else
sprintf(logBuff, "%s resolved from Forwarding Server", strquery(&dnsr));
}
else
sprintf(logBuff, "%s not found by Forwarding Server", strquery(&dnsr));
}
else
{
if (dnsr.dnsp->header.ancount)
{
if (getResult(&dnsr))
sprintf(logBuff, "%s resolved from Conditional Forwarder as %s", strquery(&dnsr), dnsr.tempname);
else
sprintf(logBuff, "%s resolved from Conditional Forwarder", strquery(&dnsr));
}
else
sprintf(logBuff, "%s not found by Conditional Forwarder", strquery(&dnsr));
}
logDNSMess(&dnsr, logBuff, 2);
}
}
}
}
}
else
t = time(NULL);
if (magin.done)
{
currentInd = magin.currentInd;
magin.done = false;
//sprintf(logBuff, "New Index=%u", currentInd);
//logMess(logBuff, 2);
}
else
checkSize();
}
while (WaitForSingleObject(stopServiceEvent, 0) == WAIT_TIMEOUT);
serviceStatus.dwCurrentState = SERVICE_STOP_PENDING;
//serviceStatus.dwCheckPoint = 2;
//serviceStatus.dwWaitHint = 1000;
SetServiceStatus(serviceStatusHandle, &serviceStatus);
sprintf(logBuff, "Closing Network Connections...");
logMess(logBuff, 1);
closeConn();
if (cfig.dhcpReplConn.ready)
closesocket(cfig.dhcpReplConn.sock);
sprintf(logBuff, "Cnbbx Server Stopped !\n");
logMess(logBuff, 1);
Sleep(2000);
WSACleanup();
serviceStatus.dwControlsAccepted &= ~(SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN);
serviceStatus.dwCurrentState = SERVICE_STOPPED;
SetServiceStatus(serviceStatusHandle, &serviceStatus);
CloseHandle(stopServiceEvent);
stopServiceEvent = 0;
}
}
void closeConn()
{
if (dhcpService)
{
if (network.httpConn.ready)
closesocket(network.httpConn.sock);
for (int i = 0; i < MAX_SERVERS && network.dhcpConn[i].loaded; i++)
if (network.dhcpConn[i].ready)
closesocket(network.dhcpConn[i].sock);
}
if (dnsService)
{
for (int i = 0; i < MAX_SERVERS && network.dnsUdpConn[i].loaded; i++)
if (network.dnsUdpConn[i].ready)
closesocket(network.dnsUdpConn[i].sock);
for (int i = 0; i < MAX_SERVERS && network.dnsTcpConn[i].loaded; i++)
if (network.dnsTcpConn[i].ready)
closesocket(network.dnsTcpConn[i].sock);
if (network.forwConn.ready)
closesocket(network.forwConn.sock);
}
}
/*
void closeConn()
{
if (dhcpService)
{
if (network.httpConn.ready)
{
closesocket(network.httpConn.sock);
sprintf(logBuff, "httpConn %s:%u closed", IP2String(ipbuff, network.httpConn.server), network.httpConn.port);
logMess(logBuff, 1);
}
for (int i = 0; i < MAX_SERVERS && network.dhcpConn[i].loaded; i++)
if (network.dhcpConn[i].ready)
{
closesocket(network.dhcpConn[i].sock);
sprintf(logBuff, "dhcpConn[%u] %s:%u closed", i, IP2String(ipbuff, network.dhcpConn[i].server), network.dhcpConn[i].port);
logMess(logBuff, 1);
}
}
if (dnsService)
{
for (int i = 0; i < MAX_SERVERS && network.dnsUdpConn[i].loaded; i++)
if (network.dnsUdpConn[i].ready)
{
closesocket(network.dnsUdpConn[i].sock);
sprintf(logBuff, "dnsUdpConn %s:%u closed", IP2String(ipbuff, network.dnsUdpConn[i].server), network.dnsUdpConn[i].port);
logMess(logBuff, 1);
}
for (int i = 0; i < MAX_SERVERS && network.dnsTcpConn[i].loaded; i++)
if (network.dnsTcpConn[i].ready)
{
closesocket(network.dnsTcpConn[i].sock);
sprintf(logBuff, "dnsTcpConn %s:%u closed", IP2String(ipbuff, network.dnsTcpConn[i].server), network.dnsTcpConn[i].port);
logMess(logBuff, 1);
}
if (network.forwConn.ready)
{
closesocket(network.forwConn.sock);
sprintf(logBuff, "forwConn %s:%u closed", IP2String(ipbuff, network.forwConn.server), network.forwConn.port);
logMess(logBuff, 1);
}
}
}
*/
void runService()
{
SERVICE_TABLE_ENTRY serviceTable[] =
{
{serviceName, ServiceMain},
{0, 0}
};
StartServiceCtrlDispatcher(serviceTable);
}
void showError(MYDWORD enumber)
{
LPTSTR lpMsgBuf;
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
enumber,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
(LPTSTR)&lpMsgBuf,
0,
NULL
);
printf("%s\n", lpMsgBuf);
}
bool stopService(SC_HANDLE service)
{
if (service)
{
SERVICE_STATUS serviceStatus;
QueryServiceStatus(service, &serviceStatus);
if (serviceStatus.dwCurrentState != SERVICE_STOPPED)
{
ControlService(service, SERVICE_CONTROL_STOP, &serviceStatus);
printf("Stopping Service.");
for (int i = 0; i < 100; i++)
{
QueryServiceStatus(service, &serviceStatus);
if (serviceStatus.dwCurrentState == SERVICE_STOPPED)
{
printf("Stopped\n");
return true;
}
else
{
Sleep(500);
printf(".");
}
}
printf("Failed\n");
return false;
}
}
return true;
}
void installService()
{
SC_HANDLE serviceControlManager = OpenSCManager(0, 0, SC_MANAGER_CREATE_SERVICE | SERVICE_START);
if (serviceControlManager)
{
TCHAR path[ _MAX_PATH + 1 ];
if (GetModuleFileName(0, path, sizeof(path) / sizeof(path[0])) > 0)
{
SC_HANDLE service = CreateService(serviceControlManager,
serviceName, displayName,
SERVICE_ALL_ACCESS, SERVICE_WIN32_OWN_PROCESS,
SERVICE_AUTO_START, SERVICE_ERROR_IGNORE, path,
0, 0, 0, 0, 0);
if (service)
{
printf("Successfully installed.. !\n");
StartService(service, 0, NULL);
CloseServiceHandle(service);
}
else
{
showError(GetLastError());
}
}
CloseServiceHandle(serviceControlManager);
}
}
void uninstallService()
{
SC_HANDLE serviceControlManager = OpenSCManager(0, 0, SC_MANAGER_CONNECT);
if (serviceControlManager)
{
SC_HANDLE service = OpenService(serviceControlManager,
serviceName, SERVICE_QUERY_STATUS | SERVICE_STOP | DELETE);
if (service)
{
if (stopService(service))
{
if (DeleteService(service))
printf("Successfully Removed !\n");
else
showError(GetLastError());
}
else
printf("Failed to Stop Service..\n");
CloseServiceHandle(service);
}
else
printf("Service Not Found..\n");
CloseServiceHandle(serviceControlManager);
}
}
int main(int argc, TCHAR* argv[])
{
OSVERSIONINFO osvi;
osvi.dwOSVersionInfoSize = sizeof(osvi);
bool result = GetVersionEx(&osvi);
if (result && osvi.dwPlatformId >= VER_PLATFORM_WIN32_NT)
{
if (argc > 1 && lstrcmpi(argv[1], TEXT("-i")) == 0)
{
installService();
}
else if (argc > 1 && lstrcmpi(argv[1], TEXT("-u")) == 0)
{
uninstallService();
}
else if (argc > 1 && lstrcmpi(argv[1], TEXT("-v")) == 0)
{
SC_HANDLE serviceControlManager = OpenSCManager(0, 0, SC_MANAGER_CONNECT);
bool serviceStopped = true;
if (serviceControlManager)
{
SC_HANDLE service = OpenService(serviceControlManager, serviceName, SERVICE_QUERY_STATUS | SERVICE_STOP);
if (service)
{
serviceStopped = stopService(service);
CloseServiceHandle(service);
}
CloseServiceHandle(serviceControlManager);
}
if (serviceStopped)
{
verbatim = true;
runProg();
}
else
printf("Failed to Stop Service\n");
}
else
runService();
}
else if (argc == 1 || lstrcmpi(argv[1], TEXT("-v")) == 0)
{
verbatim = true;
runProg();
}
else
printf("This option is not available on Windows95/98/ME\n");
return 0;
}
void runProg()
{
//printf("%i\n",t);
//printf("%i\n",sizeof(data7));
//printf("%d\n",dnsCache[currentInd].max_size());
char logBuff[512];
if (_beginthread(init, 0, 0) == 0)
{
if (verbatim || cfig.dnsLogLevel || cfig.dhcpLogLevel)
{
sprintf(logBuff, "Thread Creation Failed");
logMess(logBuff, 1);
}
exit(-1);
}
tv.tv_sec = 20;
tv.tv_usec = 0;
do
{
FD_ZERO(&readfds);
if (!network.ready)
{
Sleep(1000);
network.busy = false;
continue;
}
if ((dhcpService && !network.dhcpConn[0].ready) || (dnsService && !network.dnsUdpConn[0].ready))
{
Sleep(1000);
network.busy = false;
continue;
}
network.busy = true;
if (dhcpService)
{
if (network.httpConn.ready)
FD_SET(network.httpConn.sock, &readfds);
for (int i = 0; i < MAX_SERVERS && network.dhcpConn[i].ready; i++)
FD_SET(network.dhcpConn[i].sock, &readfds);
if (cfig.dhcpReplConn.ready)
FD_SET(cfig.dhcpReplConn.sock, &readfds);
}
if (dnsService)
{
for (int i = 0; i < MAX_SERVERS && network.dnsUdpConn[i].ready; i++)
FD_SET(network.dnsUdpConn[i].sock, &readfds);
for (int i = 0; i < MAX_SERVERS && network.dnsTcpConn[i].ready; i++)
FD_SET(network.dnsTcpConn[i].sock, &readfds);
if (network.forwConn.ready)
FD_SET(network.forwConn.sock, &readfds);
}
if (select(network.maxFD, &readfds, NULL, NULL, &tv))
{
t = time(NULL);
if (dhcpService)
{
if (network.httpConn.ready && FD_ISSET(network.httpConn.sock, &readfds))
{
if (network.httpConn.ready && FD_ISSET(network.httpConn.sock, &readfds))
{
data19 *req = (data19*)calloc(1, sizeof(data19));
if (req)
{
req->sockLen = sizeof(req->remote);
req->sock = accept(network.httpConn.sock, (sockaddr*)&req->remote, &req->sockLen);
errno = WSAGetLastError();
if (errno || req->sock == INVALID_SOCKET)
{
sprintf(logBuff, "Accept Failed, WSAError=%d", errno);
logDHCPMess(logBuff, 1);
free(req);
}
else
procHTTP(req);
}
else
{
sprintf(logBuff, "Memory Error");
logDHCPMess(logBuff, 1);
}
}
}
if (cfig.dhcpReplConn.ready && FD_ISSET(cfig.dhcpReplConn.sock, &readfds))
{
errno = 0;
dhcpr.sockLen = sizeof(dhcpr.remote);
dhcpr.bytes = recvfrom(cfig.dhcpReplConn.sock,
dhcpr.raw,
sizeof(dhcpr.raw),
0,
(sockaddr*)&dhcpr.remote,
&dhcpr.sockLen);
errno = WSAGetLastError();
if (errno || dhcpr.bytes <= 0)
cfig.dhcpRepl = 0;
}
for (int i = 0; i < MAX_SERVERS && network.dhcpConn[i].ready; i++)
{
if (FD_ISSET(network.dhcpConn[i].sock, &readfds) && gdmess(&dhcpr, i) && sdmess(&dhcpr))
alad(&dhcpr);
}
}
if (dnsService)
{
for (int i = 0; i < MAX_SERVERS && network.dnsUdpConn[i].ready; i++)
{
if (FD_ISSET(network.dnsUdpConn[i].sock, &readfds))
{
if (gdnmess(&dnsr, i))
{
if (scanloc(&dnsr))
{
if (dnsr.dnsp->header.ancount)
{
if (verbatim || cfig.dnsLogLevel >= 2)
{
if (dnsr.dnsType == DNS_TYPE_SOA)
sprintf(logBuff, "SOA Sent for zone %s", dnsr.query);
else if (dnsr.dnsType == DNS_TYPE_NS)
sprintf(logBuff, "NS Sent for zone %s", dnsr.query);
else if (dnsr.cType == CTYPE_CACHED)
sprintf(logBuff, "%s resolved from Cache to %s", strquery(&dnsr), getResult(&dnsr));
//sprintf(logBuff, "%s resolved from Cache to %s (%u)", strquery(&dnsr), getResult(&dnsr), dnsAge[currentInd].size());
else
sprintf(logBuff, "%s resolved Locally to %s", strquery(&dnsr), getResult(&dnsr));
logDNSMess(&dnsr, logBuff, 2);
}
}
else if (dnsr.dnsp->header.rcode == RCODE_NOERROR)
{
dnsr.dnsp->header.rcode = RCODE_NAMEERROR;
if (verbatim || cfig.dnsLogLevel >= 2)
{
sprintf(logBuff, "%s not found", strquery(&dnsr));
logDNSMess(&dnsr, logBuff, 2);
}
}
sdnmess(&dnsr);
}
else if (!fdnmess(&dnsr))
{
if (!dnsr.dnsp->header.ancount && (dnsr.dnsp->header.rcode == RCODE_NOERROR || dnsr.dnsp->header.rcode == RCODE_NAMEERROR))
{
dnsr.dnsp->header.rcode = RCODE_NAMEERROR;
if (verbatim || cfig.dnsLogLevel >= 2)
{
sprintf(logBuff, "%s not found", strquery(&dnsr));
logDNSMess(&dnsr, logBuff, 2);
}
}
sdnmess(&dnsr);
}
}
else if (dnsr.dnsp)
sdnmess(&dnsr);
}
}
for (int i = 0; i < MAX_SERVERS && network.dnsTcpConn[i].ready; i++)
{
if (FD_ISSET(network.dnsTcpConn[i].sock, &readfds))
{
dnsr.sockInd = i;
dnsr.sockLen = sizeof(dnsr.remote);
errno = 0;
dnsr.sock = accept(network.dnsTcpConn[i].sock, (sockaddr*)&dnsr.remote, &dnsr.sockLen);