IClient* xrServer::client_Find_Get (ClientID ID)
{
char cAddress[4] = {'a','b','c','d'};
DWORD dwPort = 0;
if (!psNET_direct_connect && GetClientAddress(ID, cAddress, &dwPort))
{
for (u32 i=0; i<net_Players_disconnected.size(); i++)
{
IClient* CLX = net_Players_disconnected[i];
if ((CLX->m_cAddress[0] == cAddress[0]) &&
(CLX->m_cAddress[1] == cAddress[1]) &&
(CLX->m_cAddress[2] == cAddress[2]) &&
(CLX->m_cAddress[3] == cAddress[3])
)
{
net_Players_disconnected.erase(net_Players_disconnected.begin()+i);
*((DWORD*)CLX->m_cAddress) = *((DWORD*)cAddress);
CLX->m_dwPort = dwPort;
CLX->flags.bReconnect = TRUE;
Msg("Player found");
return CLX;
};
};
};
IClient* res = client_Create();
if(!psNET_direct_connect)
{
*((DWORD*)res->m_cAddress) = *((DWORD*)cAddress);
res->m_dwPort = dwPort;
}
Msg("Player not found");
return res;
};
/**********************************************
OnSendStatus
This function is called after a command is
processed. The command that was processed is
passed in as well as the name of the file that
the command was working on, the success state
of the command and the time it took to perform
the task
Params
commandID - command that was processed
fileName - the file that the command processed
success - the success state of the command (TRUE/FALSE)
tickCount - time it took to perform the command (ms)
Return
none
***********************************************/
void CUT_HTTPThread::OnSendStatus(int commandID,LPSTR fileName,int success,long tickCount){
static char *szCommands[] = {"N/A","GET","HEAD","POST","PUT","PLACE","DELETE"};
tickCount = GetTickCount() - tickCount;
_snprintf(m_szBuf,sizeof(m_szBuf)-1,"%d Time=%-6.6s IP=%-15.15s Duration=%-7.7ld %s=%s",
success,GetTimeString(),GetClientAddress(),tickCount,
szCommands[commandID],fileName);
((CUT_HTTPServer *)m_winsockclass_this)->OnStatus(m_szBuf);
}
void
PrintRequestMessage(char *msg)
{
char fname[FILENAME_LEN + 1];
int chunk_num;
char client_address[CADDRESS_LEN + 1];
unsigned short client_port;
GetRequestedFileName(msg, fname);
GetRequestedChunk(msg, &chunk_num);
GetClientAddress(msg, client_address);
GetClientPort(msg, &client_port);
fprintf(stderr, "[Request Message - %d]\n", strlen(msg));
fprintf(stderr, "\t File Name : %s\n", fname);
fprintf(stderr, "\t Chunk Number : %d\n", chunk_num);
fprintf(stderr, "\tClient Address : %s\n", client_address);
fprintf(stderr, "\t Client Port : %d\n", client_port);
return;
}
/*****************************************************
The suggested algorithm is:
a) If "RCPT To:" is one of "our" domains, local or a domain that
we accept to forward to (alternate MX), then accept to Relay.
b) If SMTP_Caller is authorized, either its IP.src or its FQDN
(depending on if you trust the DNS), then accept to Relay.
c) Else refuse to Relay.
550 <*****@*****.**>... Denied due to spam list
*****************************************************/
BOOL CUT_SMTPThread::CheckRelay(LPCSTR /* szFrom */, LPCSTR szTo, LPCSTR /* szHost */)
{
CUT_MailServer *ptrMailServer = ((CUT_SMTPServer *)m_winsockclass_this)->m_ptrMailServer;
char szStrFromTempDomain[WSS_BUFFER_SIZE+1];
char szStrToTempDomain[WSS_BUFFER_SIZE+1];
if (szTo == NULL || szTo[0] == 0 || strlen(szTo) < 3)
return FALSE;
// i am not going to relay to other server
if (CUT_StrMethods::GetParseStringPieces (szTo, "@") > 2)
{
return FALSE;
}
if (CUT_StrMethods::ParseString (szTo, "@",1,szStrToTempDomain,WSS_BUFFER_SIZE) != CUT_SUCCESS)
{
// this block should never be hit
return FALSE;
}
// if the domain name of the to is local
// then return true
// v4.2 using WC here - domains now held as _TCHAR
if (ptrMailServer->Sys_IsDomainLocal(WC(szStrToTempDomain)))
{
char szLogLine[WSS_BUFFER_SIZE + 20];
_snprintf(szLogLine,sizeof(szLogLine)-1, "RELAY CHECKED [%s] %s",GetClientAddress(),szStrToTempDomain);
ptrMailServer->OnStatus(szLogLine);
return TRUE;
}
// now we have the address of the recepient
// and the address of the sender and the address of the
// host machine
// if the client address is in the allowed relay IP addresses
// if it does not exist then let see if it is part of relay IP addresses list
// now lets see if the client is in the relay list
// Get the list of Relay from the mail server
if ( ptrMailServer->Sys_GetRelayAddressCount () <= 0)
return TRUE; // the server is not set up to prevent relaying
int peices = 0;
char szClientAddress[32];
in_addr inRangeStart, inRangeEnd ;
in_addr clientAddr;
// first get the address of the connected client.
strcpy(szClientAddress, GetClientAddress());
// change the client address into a winsock
clientAddr.S_un.S_addr = inet_addr (szClientAddress);
// v4.2 changed these to unsigned long to allow ranges up to 255.255.255
unsigned long lstart = 0;
unsigned long lend = 0;
unsigned long lclient = 0;
// v4.2 relays now held as _TCHAR so convert...
char szAnsiRelay[MAX_PATH+1];
for (int index = 0; index < (int) ptrMailServer->Sys_GetRelayAddressCount (); index++)
{
// for each item
// check first if it contains -
CUT_Str::cvtcpy(szAnsiRelay,MAX_PATH,ptrMailServer->Sys_GetRelayAddress (index));
peices = CUT_StrMethods::GetParseStringPieces (szAnsiRelay,"-");
// if peices are 0 or less then it is an internal error
if (peices >1)
{
// parse the avilable list for the range
// get the first piece
// v4.2 using AC here - relays now _TCHAR
CUT_StrMethods::ParseString (szAnsiRelay, "-", 0, szStrFromTempDomain, WSS_BUFFER_SIZE);
inRangeStart.S_un.S_addr = inet_addr ( szStrFromTempDomain);
// get the end piece
// v4.2 using AC here - relays now _TCHAR
CUT_StrMethods::ParseString (szAnsiRelay, "-",1,szStrToTempDomain,WSS_BUFFER_SIZE);
inRangeEnd.S_un.S_addr = inet_addr ( szStrToTempDomain);
lstart = inRangeStart.S_un.S_un_b.s_b1 * 16777216 +
inRangeStart.S_un.S_un_b.s_b2 * 65536 +
inRangeStart.S_un.S_un_b.s_b3 * 256 +
inRangeStart.S_un.S_un_b.s_b4;
lend = inRangeEnd.S_un.S_un_b.s_b1 * 16777216 +
inRangeEnd.S_un.S_un_b.s_b2 * 65536 +
inRangeEnd.S_un.S_un_b.s_b3 * 256 +
inRangeEnd.S_un.S_un_b.s_b4;
lclient = clientAddr.S_un.S_un_b.s_b1 * 16777216 +
clientAddr.S_un.S_un_b.s_b2 * 65536 +
clientAddr.S_un.S_un_b.s_b3 * 256 +
clientAddr.S_un.S_un_b.s_b4;
if ( ( lend >= lclient ) && (lstart <= lclient))
{
char szLogLine[WSS_BUFFER_SIZE + 20];
_snprintf(szLogLine,sizeof(szLogLine)-1, "IP RANGE OK %s < [%s] > %s",szStrFromTempDomain ,GetClientAddress() ,szStrToTempDomain );
ptrMailServer->OnStatus(szLogLine);
return TRUE;
}
}
else
if (_stricmp(szAnsiRelay,szClientAddress) == 0)
{
char szLogLine[WSS_BUFFER_SIZE + 20];
_snprintf(szLogLine,sizeof(szLogLine)-1, "IP OK [%s] %s",GetClientAddress(),szStrToTempDomain);
ptrMailServer->OnStatus(szLogLine);
return TRUE;
}
}
// you may notice that I did not test the
// from if it is part of the domain
// this is simply because the message data may contain diffrent from feild than the actual sender
return FALSE; // nothing found
}
/********************************
OnConnect
This function is called when a new
connection comes in. This routine
processes all commands from the
connection and only returns when
the connection is finished
Params
none
Return
none
Revisions:
Added string length limitations
as enforced by RFC 821
There are several objects that have required minimum maximum
sizes. That is, every implementation must be able to receive
objects of at least these sizes, but must not send objects
larger than these sizes.
****************************************************
* *
* TO THE MAXIMUM EXTENT POSSIBLE, IMPLEMENTATION *
* TECHNIQUES WHICH IMPOSE NO LIMITS ON THE LENGTH *
* OF THESE OBJECTS SHOULD BE USED. *
* *
****************************************************
user
The maximum total length of a user name is 64 characters.
domain
The maximum total length of a domain name or number is 64
characters.
path
The maximum total length of a reverse-path or
forward-path is 256 characters (including the punctuation
and element separators).
command line
The maximum total length of a command line including the
command word and the <CRLF> is 512 characters.
reply line
The maximum total length of a reply line including the
reply code and the <CRLF> is 512 characters.
recipients buffer
The maximum total number of recipients that must be
buffered is 100 recipients.
*********************************/
void CUT_SMTPThread::OnConnect()
{
char szMailFrom[WSS_BUFFER_SIZE + 1];
char szHeloName[WSS_BUFFER_SIZE + 1];
char szBuffer[WSS_LINE_BUFFER_SIZE + 1];
char szRcpt[WSS_LINE_BUFFER_SIZE + 1];
int nLength = 0;
int nNumBadCommands = 0;
int bQuit = FALSE;
SMTPCommandID nLastCommand = CMD_UNKNOWN_SMTP;
SMTPCommandID nCommand = CMD_UNKNOWN_SMTP;
CUT_MailServer *ptrMailServer = ((CUT_SMTPServer *)m_winsockclass_this)->m_ptrMailServer;
CUT_DataManager *ptrDataManager = ptrMailServer->m_ptrDataManager;
CUT_StringList m_listRcpt;
BOOL greeted = FALSE;
time_t ltime;
char szReceivedHeader[2*WSS_LINE_BUFFER_SIZE];
if(ptrMailServer->GetSMTPServer()->GetShutDownFlag())
return;
time( <ime );
ZeroMemory( szBuffer, sizeof(szBuffer));
_snprintf(szBuffer,sizeof(szBuffer)-1, "**** Client [%s] connected at (%s) ***** ", GetClientAddress(), (const char *)ctime( <ime ));
CUT_StrMethods::RemoveCRLF (szBuffer);
ptrMailServer->OnStatus(szBuffer);
#ifdef CUT_SECURE_SOCKET
BOOL bHandshakeDone = FALSE;
// Disable security while connecting
BOOL bSecureFlag = GetSecurityEnabled();
if(!ptrMailServer->GetSMTPServer()->m_bImmediateNegotiation)
SetSecurityEnabled(FALSE);
else
bHandshakeDone = TRUE;
#endif
// Send inital message
ZeroMemory( szBuffer, sizeof(szBuffer));
_snprintf(szBuffer,sizeof(szBuffer)-1,"220 %s Service Ready. Ultimate TCP/IP Enterprise Edition\r\n",ptrMailServer->Sys_GetLocalName(0));
Send(szBuffer);
// Main message pump
while(bQuit == FALSE) {
if(ptrMailServer->GetSMTPServer()->GetShutDownFlag())
{
ZeroMemory( szBuffer, sizeof(szBuffer));
_snprintf(szBuffer,sizeof(szBuffer)-1,"421 %s Service not available, closing transmission channel\r\n",ptrMailServer->Sys_GetLocalName(0));
Send(szBuffer);
break;
}
ptrMailServer->OnStatus("NEW Command:");
if (nNumBadCommands > 10)
break;
// Receive a line from the client
ZeroMemory( szBuffer, sizeof(szBuffer));
nLength = ReceiveLine(szBuffer, WSS_LINE_BUFFER_SIZE);
// Exit on an error
if(nLength <= 0)
break;
// command line
// The maximum total length of a command line including the
// command word and the <CRLF> is 512 characters.
if(nLength > 512)
{
Send("500 Line too long.\r\n");
ptrMailServer->OnStatus("500 Line too long.");
continue;
}
CUT_StrMethods::RemoveCRLF(szBuffer);
ptrMailServer->OnStatus(szBuffer);
// Store the last command
nLastCommand = nCommand;
// Get the command that was sent
nCommand = GetCommand(szBuffer);
#ifdef CUT_SECURE_SOCKET
// Only this commands allowed without establishing secure connection
if( nCommand != CMD_SMTPNOOP &&
nCommand != CMD_SMTPSTARTTLS &&
nCommand != CMD_SMTPEHLO &&
nCommand != CMD_SMTPQUIT)
{
if(!bHandshakeDone && bSecureFlag )
{
if(!OnNonSecureConnection(GetClientAddress()))
{
Send("530 Must issue a STARTTLS command first\r\n");
ptrMailServer->OnStatus("Must issue a STARTTLS command first");
continue;
}
}
}
#endif
// Check to see if it is a command that can run without logging in
switch(nCommand) {
case CMD_SMTPHELO:
{
// Get the param
*szHeloName = NULL;
//\b Backspace \f Formfeed \n New line \r Carriage return \t Horizontal tab \v
//
CUT_StrMethods::ParseString(szBuffer," \t\b\v\f",1, szHeloName,sizeof(szHeloName)-1);
// the domain name must be sorter than
// The maximum total length of a domain name or number is 64
// characters
// see rfc 821 section
// 4.5.3. SIZES
if (szHeloName == 0 || strlen(szHeloName) < 2 )
{
Send("501 Syntax Error In Parameters Or Arguments.\r\n");
nNumBadCommands++;
ptrMailServer->OnStatus("501 Syntax Error In Parameters Or Arguments.");
nCommand = nLastCommand ;
continue;
}
CUT_StrMethods::RemoveCRLF (szHeloName);
CUT_StrMethods::RemoveSpaces (szHeloName);
if (szHeloName == 0 || strlen(szHeloName) > 64 )
{
Send("501 Syntax Error In Parameters Or Arguments.\r\n");
ptrMailServer->OnStatus("501 Syntax Error In Parameters Or Arguments");
nNumBadCommands++;
nCommand = nLastCommand ;
continue;
}
// Send acknowlegment
time( <ime );
char szTimeStr[29];
ZeroMemory( szTimeStr, 29 );
// The string result produced by ctime contains exactly 26 characters and has the form:
// Wed Jan 02 02:03:55 1980\n\0
// So we need 29
_snprintf(szTimeStr,sizeof(szTimeStr)-1,"at %s", (const char *)ctime( <ime ));
// A 24-hour clock is used.
// All fields have a constant width.
// The newline character ('\n') and the null character
// ('\0') occupy the last two positions of the string.
CUT_StrMethods::RemoveCRLF (szTimeStr);
// ok you may wonder what was that about
//I found out that ctime adds a \n to the end
// so I wanted to remove any \r or \n
// the add a new one
ZeroMemory( szReceivedHeader, sizeof(szReceivedHeader)-1 );
_snprintf(szReceivedHeader,sizeof(szReceivedHeader)-1,"Received: from %s [%s];\r\n\tby %s %s;\r\n\twith Codepro Mail Server (R2hhemkgVyBOb3YgMDYA);\r\n\tPowered by Ultimate TCP-IP v4.2 Enterprise Edition (www.theultimatetoolbox.com).\r\n", szHeloName, GetClientAddress(), ptrMailServer->Sys_GetLocalName(0), szTimeStr);
ZeroMemory( szBuffer, sizeof(szBuffer));
_snprintf(szBuffer,sizeof(szBuffer)-1,"250 %s %s [%s] \r\n",ptrMailServer->Sys_GetLocalName(0), szHeloName, GetClientAddress());
greeted = TRUE;
Send(szBuffer);
ptrMailServer->OnStatus(szBuffer);
continue;
}
case CMD_SMTPHELP:
OnHelpCommand();
continue;
case CMD_SMTPQUIT:
Send("221 Goodbye\r\n");
ptrMailServer->OnStatus("QUIT");
bQuit = TRUE;
break;
case CMD_SMTPNOOP:
Send("250 Requested mail action ok, completed\r\n");
continue;
case CMD_SMTPRSET:
m_listRcpt.ClearList();
Send("250 Ok\r\n");
continue;
case CMD_SMTPEHLO:
{
// Get the param
// Get the param
*szHeloName = NULL;
//\b Backspace \f Formfeed \n New line \r Carriage return \t Horizontal tab \v
//
CUT_StrMethods::ParseString(szBuffer," \t\b\v\f",1, szHeloName,sizeof(szHeloName)-1);
// the domain name must be sorter than
// The maximum total length of a domain name or number is 64
// characters
// see rfc 821 section
// 4.5.3. SIZES
if (szHeloName == 0 || strlen(szHeloName) < 2 )
{
Send("501 Syntax Error In Parameters Or Arguments.\r\n");
nNumBadCommands++;
ptrMailServer->OnStatus("501 Syntax Error In Parameters Or Arguments.");
nCommand = nLastCommand ;
continue;
}
CUT_StrMethods::RemoveCRLF (szHeloName);
CUT_StrMethods::RemoveSpaces (szHeloName);
if (szHeloName == 0 || strlen(szHeloName) > 64 )
{
Send("501 Syntax Error In Parameters Or Arguments.\r\n");
ptrMailServer->OnStatus("501 Syntax Error In Parameters Or Arguments");
nNumBadCommands++;
nCommand = nLastCommand ;
continue;
}
char szTimeStr[29];
ZeroMemory( szTimeStr, sizeof(szTimeStr));
// Send acknowlegment
time( <ime );
_snprintf(szTimeStr,sizeof(szTimeStr)-1,"at %s", (const char *)ctime( <ime ));
// A 24-hour clock is used.
// All fields have a constant width.
// The newline character ('\n') and the null character
// ('\0') occupy the last two positions of the string.
CUT_StrMethods::RemoveCRLF (szTimeStr);
// ok you may wonder what was that about
//I found out that ctime adds a \n to the end
// so I wanted to remove any \r or \n
// the add a new one
ZeroMemory( szReceivedHeader, sizeof(szReceivedHeader)-1 );
_snprintf(szReceivedHeader,sizeof(szReceivedHeader)-1,"Received: from %s [%s];\r\n\tby %s %s;\r\n\twith Ultimate TCP/IP Mail Server ;\r\n\tPowered by Ultimate TCP/IP v4.2 Enterprise Edition (www.theultimatetoolbox.com).\r\n", szHeloName, GetClientAddress(), ptrMailServer->Sys_GetLocalName(0), szTimeStr);
// Send acknowlegment
#ifdef CUT_SECURE_SOCKET
ZeroMemory( szBuffer, sizeof(szBuffer));
_snprintf(szBuffer,sizeof(szBuffer)-1,"250-%s %s [%s] \r\n250 STARTTLS\r\n",ptrMailServer->Sys_GetLocalName(0), szHeloName, GetClientAddress());
#else
ZeroMemory( szBuffer, sizeof(szBuffer));
_snprintf(szBuffer,sizeof(szBuffer)-1,"250 %s %s [%s] \r\n",ptrMailServer->Sys_GetLocalName(0), szHeloName, GetClientAddress());
#endif
greeted = TRUE;
Send(szBuffer);
ptrMailServer->OnStatus(szBuffer);
continue;
}
case CMD_SMTPSTARTTLS:
#ifdef CUT_SECURE_SOCKET
if(bSecureFlag)
{
// Already done
if(bHandshakeDone)
{
Send("502 Command not permitted when TLS active\r\n");
continue;
}
// Send an OK command
Send("220 Ready to start TLS\r\n");
// Set security flag
SetSecurityEnabled(TRUE);
// Start negotiation
int nResult = CUT_SecureSocket::SocketOnConnected(m_clientSocket, "");
if (nResult != UTE_SUCCESS)
{
SetSecurityEnabled(FALSE);
Send("554 The SSL negotiation failed during the handshake");
bQuit = TRUE;
continue;
}
else
{
bHandshakeDone = TRUE;
continue;
}
}
else
Send("454 TLS not available due to temporary reason\r\n");
#else
Send("454 TLS not available due to temporary reason\r\n");
#endif
continue;
case CMD_SMTPMAIL:
{
if (!greeted)
{
Send("503 Bad sequence of commands. Nice People Say Helo first\r\n");
continue;
}
//
char firstString[WSS_LINE_BUFFER_SIZE];
// Special case "MAIL FROM: <>"
if (strstr(szBuffer,"<>")) {
strcpy(szMailFrom,szHeloName);
}
else {
// Get number of components
int counter = 0;
int piecesCount= 0;
piecesCount = CUT_StrMethods::GetParseStringPieces (szBuffer, "\t\b\v\f: ,\r\n");
for (; counter < piecesCount;counter ++)
{
if ( CUT_StrMethods::ParseString (szBuffer,"\t\b\v\f: ,\r\n",counter, firstString,sizeof(firstString)) == UTE_SUCCESS)
{
// does it include an @ sign
// then there should be 2 peices
if ( CUT_StrMethods::GetParseStringPieces (firstString, "@") > 1){
// now remove the > and < signs from the email
// this function call should pass even if the line does not include
// a <> tag
CUT_StrMethods::ParseString (firstString,"<>",0, szMailFrom,sizeof(szMailFrom));
break;
}
}
}
// if we have reached the number of peices
// then the from is not found
// then we should let the client know of the error
if (counter == piecesCount)
{
Send("501 Syntax Error In Parameters Or Arguments.\r\n");
nCommand = nLastCommand ;
continue;
}
}
m_listRcpt.ClearList();
// Send acknowlegment
ZeroMemory( szBuffer, sizeof(szBuffer));
_snprintf(szBuffer,sizeof(szBuffer)-1,"250 OK it is from %s\r\n",szMailFrom);
Send(szBuffer);
ptrMailServer->OnStatus(szBuffer);
continue;
}
case CMD_SMTPRCPT:
{
if (!greeted)
{
Send("503 Bad sequence of commands. Nice People Say Helo first\r\n");
ptrMailServer->OnStatus("503 Bad sequence of commands. Nice People Say Helo first");;
continue;
}
if(nLastCommand != CMD_SMTPRCPT && nLastCommand != CMD_SMTPMAIL) {
Send("503 Bad Sequence Of Commands.\r\n");
ptrMailServer->OnStatus("503 Bad sequence of commands.");;
nCommand = nLastCommand ;
continue;
}
//
char firstString[WSS_LINE_BUFFER_SIZE];
// Get number of components
int counter = 0;
int piecesCount= 0;
piecesCount = CUT_StrMethods::GetParseStringPieces (szBuffer, "\t\b\v\f: ,\r\n");
for (; counter < piecesCount;counter ++)
{
if ( CUT_StrMethods::ParseString (szBuffer,"\t\b\v\f: ,\r\n",counter, firstString,sizeof(firstString)) == UTE_SUCCESS)
{
// does it include an @ sign
// then there should be 2 peices
if ( CUT_StrMethods::GetParseStringPieces (firstString, "@") > 1){
// now remove the > and < signs from the email address
// this function call should pass even if the line does not include
// a <> tag
CUT_StrMethods::ParseString (firstString,"<>",0, szRcpt,sizeof(szRcpt));
break;
}
}
}
// if we have reached the number of peices
// then the to is not found
// then we should let the client know of the error
if (counter == piecesCount)
{
Send("501 Syntax Error In Parameters Or Arguments.\r\n");
ptrMailServer->OnStatus("501 Syntax Error In Parameters Or Arguments..");;
nCommand = nLastCommand ;
continue;
}
// recipients buffer
// The maximum total number of recipients that must be
// buffered is 100 recipients.
if (m_listRcpt.GetCount () >= 100)
{
Send("552 Too many recipients.\r\n");
ptrMailServer->OnStatus("552 Too many recipients.");
nCommand = nLastCommand ;
continue;
}
// Add the name to the rcpt list
// GetRelay here
if (!CheckRelay(szMailFrom,szRcpt,szHeloName))
{
Send("550 Relaying not allowed .\r\n");
ptrMailServer->OnStatus("550 Relaying not allowed.");
nNumBadCommands++;
nCommand = nLastCommand ;
continue;
}
m_listRcpt.AddString(szRcpt);
// Send acknowlegment
Send("250 OK it is for ");
Send(szRcpt);
Send(" \r\n");
ZeroMemory( szBuffer, sizeof(szBuffer));
_snprintf(szBuffer,sizeof(szBuffer)-1,"Ok so it is for %s" ,szRcpt);
ptrMailServer->OnStatus(szBuffer);
continue;
}
case CMD_SMTPDATA:
{
if(nLastCommand != CMD_SMTPRCPT) {
Send("503 Bad Sequence Of Commands.\r\n");
ptrMailServer->OnStatus("503 Bad Sequence Of Commands");
nNumBadCommands++;
continue;
}
Send("354 Start mail input, end with <CRLF>.<CRLF>\r\n");
long fileHandle = ptrDataManager->Que_CreateFile();
if(INVALID_HANDLE_VALUE == (void*)(ULONG_PTR)fileHandle) {
bQuit = TRUE;
// Hard kill - read what's left of transaction and discard...
ZeroMemory( szBuffer, sizeof(szBuffer));
while(ReceiveLine(szBuffer,sizeof(szBuffer)-1));
Send("451 Requested action aborted - error in processing\r\n");
ptrMailServer->OnStatus("SMTPDATA error - Requested action aborted ");
break;
}
BOOLEAN deleteFlag = FALSE;
// Write the message header
ptrDataManager->Que_WriteFileHeader(fileHandle,m_listRcpt.GetString(0L),szMailFrom,0,0);
// Read lines in until <CRLF>.<CRLF> and save it
// Check header portion for message id - if none,
// add one.
int len;
BOOL IdOk = FALSE;
BOOL EndOfHeaderSeen = FALSE;
// the return path is the first thing to be written
ptrDataManager->Que_WriteFile(fileHandle,(LPBYTE)szReceivedHeader,(int)strlen(szReceivedHeader));
for(;;) {
if(ptrMailServer->GetSMTPServer()->GetShutDownFlag())
{
Send("421 Service not available, closing transmission channel\r\n");
ptrMailServer->OnStatus("421 Service not available, closing transmission channel");
deleteFlag = TRUE;
break;
}
ZeroMemory( szBuffer, sizeof(szBuffer)-1);
len = ReceiveLine(szBuffer,sizeof(szBuffer)-1);
if(len <= 0) {
Send("554 Transaction failed\r\n");
ptrMailServer->OnStatus("SMTPDATA error 554 Transaction failed");
deleteFlag = TRUE;
break;
}
// make sure we have enough chars
if (szBuffer[0] != 0 && strlen(szBuffer) > 11)
{
if(!EndOfHeaderSeen)
{
if(_strnicmp(szBuffer, "Message-Id:",11) == 0)
IdOk = TRUE;
}
}
if(len < 3)
{
EndOfHeaderSeen = TRUE;
// Did this message have a valid ID?
if(!IdOk) {
char szMsgID[WSS_LINE_BUFFER_SIZE + 1];
// Create a unique ID and write to the file!
ptrMailServer->BuildUniqueID(szMsgID, sizeof(szMsgID)-1);
ptrDataManager->Que_WriteFile(fileHandle,(LPBYTE)"Message-ID: ",12);
strcat(szMsgID, "\r\n");
ptrDataManager->Que_WriteFile(fileHandle,(LPBYTE)szMsgID, (int)strlen(szMsgID));
IdOk = TRUE;
}
}
ptrDataManager->Que_WriteFile(fileHandle,(LPBYTE)szBuffer,len);
if(len == 3)
{
if(szBuffer[0]=='.' && szBuffer[1]=='\r' && szBuffer[2]=='\n')
{
Send("250 Mail Received OK\r\n");
break;
}
}
}
ptrMailServer->OnStatus("Data finished");
// Make sure that the server is not relaying messages to itself,
// it is possible for the server to relay a message to itself
// when the destination of the email contains a domain name
// that resolves to the same IP as the server but the names
// are different.
// v4.2 using AC here - names now _TCHAR")
if ( strcmp( AC(ptrMailServer->Sys_GetLocalName(0)), szHeloName ) == 0 )
{
// Bad message found, receive it but also delete it from the queue
// to prevent further resending of the message.
deleteFlag = TRUE;
}
// Get the number of rcpt to lines
// Copy the original file for each rcpt in the rcpt list
if(!deleteFlag)
for(int loop = 1;loop < m_listRcpt.GetCount(); loop++) // bypass first - it's done
ptrDataManager->Que_CarbonCopyFile(fileHandle,m_listRcpt.GetString(loop));
// Close the file
ptrDataManager->Que_CloseFile(fileHandle,deleteFlag);
continue;
}
default:
Send("502 Command not implemented\r\n");
// Break after 5 unreconized commands
nNumBadCommands ++;
if(nNumBadCommands == 5) {
bQuit = TRUE;
break;
}
}
}
CloseConnection();
}
int main(int argc, char *argv[])
{
/* messages */
char recvd_msg[RMSGSIZE];
char *response_msg;
/* sockets */
int recv_sock;
int send_sock;
/* send related */
struct sockaddr_in send_name;
struct hostent *hp, *gethostbyname();
/* client related */
char client_address[CADDRESS_LEN + 1];
unsigned short client_port;
/* create socket to listen on - no timeout */
recv_sock = CreateRecvSocket();
/* create socket to send on */
send_sock = CreateSendSocket();
/* ** start server ** */
while(1)
{
/* read from socket */
if(read(recv_sock, recvd_msg, RMSGSIZE+1) < 0)
{
perror("Reading from socket");
}
else
{
GetClientAddress(recvd_msg, client_address);
GetClientPort(recvd_msg, &client_port);
/* construct socket to send to */
hp = gethostbyname(client_address);
if(hp == 0)
{
fprintf(stderr, "Unknown host : %s\n", client_address);
continue;
}
bcopy(hp->h_addr, &send_name.sin_addr, hp->h_length);
send_name.sin_family = AF_INET;
send_name.sin_port = htons(client_port);
/* send reponse */
GetResponseMessage(recvd_msg, response_msg);
if(response_msg[0] == 'C')
{
if(sendto(send_sock, response_msg, CMSGSIZE, 0, (struct sockaddr *)&send_name, sizeof(send_name)) < 0)
{
perror("Sending message");
}
}
if(response_msg[0] == 'D')
{
if(sendto(send_sock, response_msg, DMSGSIZE, 0, (struct sockaddr *)&send_name, sizeof(send_name)) < 0)
{
perror("Sending message");
}
}
}
}
return 0;
}
void
GetResponseMessage(char *inmsg, char *outmsg)
{
char filename[FILENAME_LEN + 1]; /* requested file name */
int requested_chunk; /* requested chunk number */
char client_address[CADDRESS_LEN + 1]; /* address of client */
unsigned short client_port; /* port of client */
int total_chunks; /* total # of chunks in file */
char temp[CHUNK_LEN + 1]; /* requested chunk - string */
int i; /* loops et al */
char data[DATA_LEN + 1]; /* file chunk */
int status; /* function returns */
int datsize; /* size of data chunk */
/* extract info from request message */
GetRequestedFileName(inmsg, filename);
GetRequestedChunk(inmsg, &requested_chunk);
GetClientAddress(inmsg, client_address);
GetClientPort(inmsg, &client_port);
/* get total number of chunks in file */
total_chunks = GetTotalChunks(filename);
/* check for errors - construct CTL messages */
if(!IsValidFileName(filename)) strcpy(outmsg, "CERRORUNAUTHORIZED REQUEST");
else if(inmsg[0] != 'R') strcpy(outmsg, "CERRORBAD REQUEST FORMAT");
else if(requested_chunk < 0) strcpy(outmsg, "CERRORBAD CHUNK REQUEST");
else if(requested_chunk == 0) /* number of chunks requested */
{
if(total_chunks == -1) strcpy(outmsg, "CERRORCANNOT STAT FILE");
else if(total_chunks == 0) strcpy(outmsg, "CERRORFILE SIZE NULL");
else if(total_chunks > 99999) strcpy(outmsg, "CERRORTOO MANY CHUNKS");
else
{
sprintf(temp, "%d", total_chunks);
strcpy(outmsg, "CCHNKS");
strcat(outmsg, temp);
}
}
else /* construct data message */
{
status = GetFileChunk(filename, requested_chunk, data, &datsize);
if(status != 0)
{
if(status == -1) strcpy(outmsg, "CERRORFILE SIZE NULL");
else if (status == -2) strcpy(outmsg, "CERRORCANNOT STAT FILE");
else if(status == -3) strcpy(outmsg, "CERRORCHUNK OUT OF BOUND");
else strcpy(outmsg, "CERRORUNKNOWN ERROR");
}
else
{
/* MSGTYPE */
strcpy(outmsg, "D");
/* CHUNK */
sprintf(temp, "%d", requested_chunk);
for(i = 0; i < CHUNK_LEN - strlen(temp); i++) strcat(outmsg, " ");
strcat(outmsg, temp);
/* data */
strcat(outmsg, data);
outmsg[datsize + MSGTYPE_LEN + CHUNK_LEN] = '\0';
}
}
}
//--------------------------------------------------------------------
void xrServer::Server_Client_Check ( IClient* CL )
{
clients_Lock ();
if (SV_Client && SV_Client->ID == CL->ID)
{
if (!CL->flags.bConnected)
{
SV_Client = NULL;
};
clients_Unlock ();
return;
};
if (SV_Client && SV_Client->ID != CL->ID)
{
clients_Unlock ();
return;
};
if (!CL->flags.bConnected)
{
clients_Unlock();
return;
};
IDirectPlay8Address* pAddr = NULL;
CHK_DX(NET->GetClientAddress(CL->ID.value(), &pAddr, 0));
if (pAddr)
{
IBannedClient xClient;
bool res = GetClientAddress(pAddr, xClient.HAddr);
if (res)
{
char HostIP[4] = {0, 0, 0, 0};
DWORD NumAdresses = 0;
NET->GetLocalHostAddresses(NULL, &NumAdresses, 0);
IDirectPlay8Address* p_pAddr[256];
Memory.mem_fill(p_pAddr, 0, sizeof(p_pAddr));
NumAdresses = 256;
R_CHK(NET->GetLocalHostAddresses(p_pAddr, &NumAdresses, 0));
for (DWORD i=0; i<NumAdresses; i++)
{
if (!p_pAddr[i]) continue;
if (!GetClientAddress(p_pAddr[i], HostIP)) continue;
if (xClient == HostIP)
{
CL->flags.bLocal = 1;
SV_Client = (xrClientData*)(CL);
break;
}
else
{
CL->flags.bLocal = 0;
};
};
};
};
clients_Unlock();
};