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/* $Id$ */
#include <sys/utsname.h>
#include <unistd.h>
#include <stdio.h>
#include <kdebug.h>
#include "smtp.h"
SMTP::SMTP(char *serverhost, unsigned short int port, int timeout)
{
struct utsname uts;
serverHost = serverhost;
hostPort = port;
timeOut = timeout * 1000;
senderAddress = "[email protected]";
recipientAddress = "[email protected]";
messageSubject = "(no subject)";
messageBody = "empty";
messageHeader = "";
connected = false;
finished = false;
sock = 0L;
state = INIT;
serverState = NONE;
uname(&uts);
domainName = uts.nodename;
if(domainName.isEmpty())
domainName = "somemachine.example.net";
kdDebug() << "SMTP object created" << endl;
connect(&connectTimer, SIGNAL(timeout()), this, SLOT(connectTimerTick()));
connect(&timeOutTimer, SIGNAL(timeout()), this, SLOT(connectTimedOut()));
connect(&interactTimer, SIGNAL(timeout()), this, SLOT(interactTimedOut()));
// some sendmail will give 'duplicate helo' error, quick fix for now
connect(this, SIGNAL(messageSent()), SLOT(closeConnection()));
}
SMTP::~SMTP()
{
if(sock){
delete sock;
sock = 0L;
}
connectTimer.stop();
timeOutTimer.stop();
}
void SMTP::setServerHost(const QString& serverhost)
{
serverHost = serverhost;
}
void SMTP::setPort(unsigned short int port)
{
hostPort = port;
}
void SMTP::setTimeOut(int timeout)
{
timeOut = timeout;
}
void SMTP::setSenderAddress(const QString& sender)
{
senderAddress = sender;
int index = senderAddress.find('<');
if (index == -1)
return;
senderAddress = senderAddress.mid(index + 1);
index = senderAddress.find('>');
if (index != -1)
senderAddress = senderAddress.left(index);
senderAddress = senderAddress.simplifyWhiteSpace();
while (1) {
index = senderAddress.find(' ');
if (index != -1)
senderAddress = senderAddress.mid(index + 1); // take one side
else
break;
}
index = senderAddress.find('@');
if (index == -1)
senderAddress.append("@localhost"); // won't go through without a local mail system
}
void SMTP::setRecipientAddress(const QString& recipient)
{
recipientAddress = recipient;
}
void SMTP::setMessageSubject(const QString& subject)
{
messageSubject = subject;
}
void SMTP::setMessageBody(const QString& message)
{
messageBody = message;
}
void SMTP::setMessageHeader(const QString &header)
{
messageHeader = header;
}
void SMTP::openConnection(void)
{
kdDebug() << "started connect timer" << endl;
connectTimer.start(100, true);
}
void SMTP::closeConnection(void)
{
socketClose(sock);
}
void SMTP::sendMessage(void)
{
if(!connected)
connectTimerTick();
if(state == FINISHED && connected){
kdDebug() << "state was == FINISHED\n" << endl;
finished = false;
state = IN;
writeString = QString::fromLatin1("helo %1\r\n").arg(domainName);
write(sock->socket(), writeString.ascii(), writeString.length());
}
if(connected){
kdDebug() << "enabling read on sock...\n" << endl;
interactTimer.start(timeOut, true);
sock->enableRead(true);
}
}
#include <stdio.h>
void SMTP::connectTimerTick(void)
{
connectTimer.stop();
// timeOutTimer.start(timeOut, true);
kdDebug() << "connectTimerTick called..." << endl;
if(sock){
delete sock;
sock = 0L;
}
kdDebug() << "connecting to " << serverHost << ":" << hostPort << " ..... " << endl;
sock = new KSocket(serverHost.ascii(), hostPort);
if(sock == 0L || sock->socket() < 0) {
timeOutTimer.stop();
kdDebug() << "connection failed!" << endl;
socketClose(sock);
emit error(CONNECTERROR);
connected = false;
return;
}
connected = true;
finished = false;
state = INIT;
serverState = NONE;
connect(sock, SIGNAL(readEvent(KSocket *)), this, SLOT(socketRead(KSocket *)));
connect(sock, SIGNAL(closeEvent(KSocket *)), this, SLOT(socketClose(KSocket *)));
// sock->enableRead(true);
timeOutTimer.stop();
kdDebug() << "connected" << endl;
}
void SMTP::connectTimedOut(void)
{
timeOutTimer.stop();
if(sock)
sock->enableRead(false);
kdDebug() << "socket connection timed out" << endl;
socketClose(sock);
emit error(CONNECTTIMEOUT);
}
void SMTP::interactTimedOut(void)
{
interactTimer.stop();
if(sock)
sock->enableRead(false);
kdDebug() << "time out waiting for server interaction" << endl;
socketClose(sock);
emit error(INTERACTTIMEOUT);
}
void SMTP::socketRead(KSocket *socket)
{
int n, nl;
kdDebug() << "socketRead() called..." << endl;
interactTimer.stop();
if(socket == 0L || socket->socket() < 0)
return;
n = read(socket->socket(), readBuffer, SMTP_READ_BUFFER_SIZE-1 );
if(n < 0)
return;
readBuffer[n] = '\0';
lineBuffer += readBuffer;
nl = lineBuffer.find('\n');
if(nl == -1)
return;
lastLine = lineBuffer.left(nl);
lineBuffer = lineBuffer.right(lineBuffer.length() - nl - 1);
processLine(&lastLine);
if(connected)
interactTimer.start(timeOut, true);
}
void SMTP::socketClose(KSocket *socket)
{
timeOutTimer.stop();
disconnect(sock, SIGNAL(readEvent(KSocket *)), this, SLOT(socketRead(KSocket *)));
disconnect(sock, SIGNAL(closeEvent(KSocket *)), this, SLOT(socketClose(KSocket *)));
socket->enableRead(false);
kdDebug() << "connection terminated" << endl;
connected = false;
if(socket){
delete socket;
socket = 0L;
sock = 0L;
}
emit connectionClosed();
}
void SMTP::processLine(QString *line)
{
int i, stat;
QString tmpstr;
i = line->find(' ');
tmpstr = line->left(i);
if(i > 3)
kdDebug() << "warning: SMTP status code longer then 3 digits: " << tmpstr << endl;
stat = tmpstr.toInt();
serverState = (SMTPServerStatus)stat;
lastState = state;
kdDebug() << "smtp state: [" << stat << "][" << *line << "]" << endl;
switch(stat){
case GREET: //220
state = IN;
writeString = QString::fromLatin1("helo %1\r\n").arg(domainName);
kdDebug() << "out: " << writeString << endl;
write(sock->socket(), writeString.ascii(), writeString.length());
break;
case GOODBYE: //221
state = QUIT;
break;
case SUCCESSFUL://250
switch(state){
case IN:
state = READY;
writeString = QString::fromLatin1("mail from: %1\r\n").arg(senderAddress);
kdDebug() << "out: " << writeString << endl;
write(sock->socket(), writeString.ascii(), writeString.length());
break;
case READY:
state = SENTFROM;
writeString = QString::fromLatin1("rcpt to: %1\r\n").arg(recipientAddress);
kdDebug() << "out: " << writeString << endl;
write(sock->socket(), writeString.ascii(), writeString.length());
break;
case SENTFROM:
state = SENTTO;
writeString = QString::fromLatin1("data\r\n");
kdDebug() << "out: " << writeString << endl;
write(sock->socket(), writeString.ascii(), writeString.length());
break;
case DATA:
state = FINISHED;
finished = true;
sock->enableRead(false);
emit messageSent();
break;
default:
state = CERROR;
kdDebug() << "smtp error (state error): [" << lastState << "]:[" << stat << "][" << *line << "]" << endl;
socketClose(sock);
emit error(COMMAND);
break;
}
break;
case READYDATA: //354
state = DATA;
writeString = QString::fromLatin1("Subject: %1\r\n").arg(messageSubject);
writeString += messageHeader;
writeString += "\r\n";
writeString += messageBody;
writeString += QString::fromLatin1(".\r\n");
kdDebug() << "out: " << writeString;
write(sock->socket(), writeString.ascii(), writeString.length());
break;
case ERROR: //501
state = CERROR;
kdDebug() << "smtp error (command error): [" << lastState << "]:[" << stat << "][" << *line << "]\n" << endl;
socketClose(sock);
emit error(COMMAND);
break;
case UNKNOWN: //550
state = CERROR;
kdDebug() << "smtp error (unknown user): [" << lastState << "]:[" << stat << "][" << *line << "]" << endl;
socketClose(sock);
emit error(UNKNOWNUSER);
break;
default:
state = CERROR;
kdDebug() << "unknown response: [" << lastState << "]:[" << stat << "][" << *line << "]" << endl;
socketClose(sock);
emit error(UNKNOWNRESPONSE);
}
}
#include "smtp.moc"
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