void Submit::handshake()
{
//emit add_log(LOG_INFO, "Submit::handshake");
QString time_str = QString::number(QDateTime::currentDateTime().toTime_t());
QCryptographicHash auth_hash(QCryptographicHash::Md5);
auth_hash.addData(QString(context.password_hash + time_str).toLocal8Bit());
QString auth = QString(auth_hash.result().toHex());
QUrl url_handshake = QString( "http://%1/?hs=true&p=%2&c=%3&v=%4&u=%5&t=%6&a=%7" )
.arg(context.host, PROTOCOL_VERSION, CLIENT_ID, CLIENT_VERSION )
.arg( QString(QUrl::toPercentEncoding(context.username) ))
.arg( time_str, auth );
emit add_log(LOG_DEBUG, QString("%1: Time: %2")
.arg(SITE_NAME[index], time_str));
emit add_log(LOG_DEBUG, QString("%1: Auth: %2")
.arg(SITE_NAME[index], auth));
emit add_log(LOG_DEBUG, QString("%1: URL: %2")
.arg(SITE_NAME[index], url_handshake.toString(QUrl::None)));
QNetworkRequest request_handshake;
request_handshake.setUrl(url_handshake);
request_handshake.setRawHeader("User-Agent", CLIENT_USERAGENT);
nr_handshake = nam_handshake->get(request_handshake);
}
void* server_conn(void* t_data)
{
int connfd = ((thread_t*)t_data)->fd;
char* salt = ((thread_t*)t_data)->salt;
char* ip = ((thread_t*)t_data)->ip;
uint16_t port = ((thread_t*)t_data)->port;
user_t *u;
fd_set input;
char buffer[100];
int pos = 0, auth = 0;
free(t_data);
snprintf(buffer, sizeof(buffer), "%s\n", salt);
send(connfd, buffer, strlen(buffer), MSG_NOSIGNAL);
if(recv(connfd, buffer, 41, MSG_NOSIGNAL) == 41)
{
buffer[40] = 0;
auth = auth_hash(salt, server.password, buffer);
}
free(salt);
if(!auth && !server.guest)
{
snprintf(buffer, sizeof(buffer), "a0\n");
send(connfd, buffer, strlen(buffer), MSG_NOSIGNAL);
#ifdef __WIN32__
Sleep(2000);
#endif
socket_close(connfd);
free(ip);
return NULL;
}
if(!auth && server.guest)
{
snprintf(buffer, sizeof(buffer), "a1\n");
send(connfd, buffer, strlen(buffer), MSG_NOSIGNAL);
}
#ifdef __WIN32__
unsigned long on = 1;
if (ioctlsocket(connfd, FIONBIO, &on) != NO_ERROR)
{
server_log(LOG_ERR, "server_conn: ioctlsocket");
free(ip);
exit(EXIT_FAILURE);
}
#else
fcntl(connfd, F_SETFL, O_NONBLOCK);
#endif
server_log(LOG_INFO, "user connected: %s:%u%s", ip, port, (auth ? "" : " (guest)"));
if(server.online_auth)
{
snprintf(buffer, sizeof(buffer),
"M%d\nY%d\nT%d\nD%d\nA%d\nF%d\nZ%d\nG%02d\nV%d\nQ%d\nC%d\nI%d,%d\n",
server.mode,
server.volume,
server.freq,
server.deemphasis,
server.agc,
server.filter,
server.ant,
server.gain,
server.daa,
server.squelch,
server.rotator,
server.sampling,
server.detector);
send(connfd, buffer, strlen(buffer), MSG_NOSIGNAL);
}
u = user_add(&server, connfd, auth);
snprintf(buffer, sizeof(buffer), "o%d,%d\n",
server.online_auth,
server.online - server.online_auth);
msg_send(buffer, strlen(buffer));
FD_ZERO(&input);
FD_SET(u->fd, &input);
while(select(u->fd+1, &input, NULL, NULL, NULL) > 0)
{
if(recv(u->fd, &buffer[pos], 1, MSG_NOSIGNAL) <= 0)
break;
/* If this command is too long to
* fit into a buffer, clip it */
if(buffer[pos] != '\n')
{
if(pos != sizeof(buffer)-1)
pos++;
continue;
}
if(buffer[0] == XDR_P_SHUTDOWN)
break;
if(u->auth)
serial_write(buffer, pos+1);
pos = 0;
}
user_remove(&server, u);
server_log(LOG_INFO, "user disconnected: %s:%u", ip, port);
free(ip);
if(server.online)
{
snprintf(buffer, sizeof(buffer), "o%d,%d\n",
server.online_auth,
server.online - server.online_auth);
msg_send(buffer, strlen(buffer));
}
if(!server.online_auth && server.poweroff)
{
if(server.online)
{
/* tell unauthenticated users that XDR has been powered off */
sprintf(buffer, "X\n");
msg_send(buffer, strlen(buffer));
}
server_log(LOG_INFO, "tuner shutdown");
tuner_reset();
}
return NULL;
}
