/* Main Entry */
int main(int argc, char **argv)
{
// init connection object
Connection conn;
memset(&conn, 0, sizeof(conn));
conn.port = PORT; // assign default port
conn.host = HOST;
// Parse arguments
parseArguments(argc, argv, &conn);
// init SSL library
conn.sslContext = initSSLContext(CLIENT_CERTIFICATE, CA_CERTIFICATE);
SSL_CTX_set_options(conn.sslContext, SSL_OP_NO_SSLv2);
SSL_CTX_set_cipher_list(conn.sslContext, "SHA1");
// Connect
if (tcpConnect(&conn) < 0){
tcpDisconnect(&conn);
exit(0);
}
SSL * ssl = SSL_new(conn.sslContext);
BIO * sbio = BIO_new_socket(conn.socket, BIO_NOCLOSE);
SSL_set_bio(ssl, sbio, sbio);
int ret;
ret = SSL_connect(ssl);
if (ret <= 0){
printf(FMT_CONNECT_ERR);
handleError(ssl, ret);
}
else{
// Process Message
if (checkServerCertification(ssl) == OK){
processMessage(ssl);
}
}
// close ssl connection
if (!SSL_shutdown(ssl)){
tcpDisconnect(&conn);
SSL_shutdown(ssl);
}
SSL_free(ssl);
// Disconnect
tcpDisconnect(&conn);
destroySSLContext(conn.sslContext);
return 1;
}
bool SSMTP::send(MIMEmessage *message)
{
log.clear();
int mSize = message->getMIMEText().toLatin1().size();
/* calc timeout for slowly 56 kbps connection */
messageRespTimeout = (mSize / (56000/8)) * 1000;
if (!tcpConnect()) return false;
if (!waitForResponse()) return false;
if (!checkRespCode(220)) return false;
if (!sendCmd("EHLO " + smtp_name,250)) return false;
if (!smtp_user.isEmpty() || smtp_pass.isEmpty())
{
if (!sendCmd("AUTH LOGIN",334)) return false;
if (!sendCmd(smtp_user.toUtf8().toBase64(),334)) return false;
if (!sendCmd(smtp_pass.toUtf8().toBase64(),235)) return false;
}
if (!sendCmd("MAIL FROM: " + message->getFromEmail(),250)) return false;
for (int i=0; i < message->rcptList()->count(); ++i)
{
if (!sendCmd("RCPT TO: " + message->rcptList()->at(i),250)) return false;
}
if (!sendCmd("DATA",354)) return false;
sendText(message->getMIMEText(),true);
sendText(".");
if (!waitForResponse(true)) return false;
if (!checkRespCode(250)) return false;
if (!sendCmd("QUIT",221)) return false;
tcpDisconnect();
return true;
}
bool SSMTP::checkRespCode(int code)
{
if (code != responseCode)
{
writeLog("Error: bad response code");
tcpDisconnect();
return false;
}
return true;
}
bool SSMTP::waitForResponse(bool isMessage)
{
int tm = isMessage ? messageRespTimeout : commandRespTimeout;
if (!socket->waitForReadyRead(tm))
{
if (isMessage)
writeLog("Error: Message response timeout");
else
writeLog("Error: Command response timeout");
tcpDisconnect();
return false;
}
while (socket->canReadLine())
{
responseText = socket->readLine();
responseCode = responseText.left(3).toInt();
writeLog("S <= " + responseText);
}
return true;
}
