int silc_fd_stream_write(SilcStream stream, const unsigned char *data,
SilcUInt32 data_len)
{
SilcFDStream fd_stream = stream;
int ret;
if (!fd_stream->notifier)
return -2;
SILC_LOG_DEBUG(("Writing data to fd %d", fd_stream->fd2));
ret = silc_file_write(fd_stream->fd2, data, data_len);
if (ret < 0) {
if (errno == EAGAIN || errno == EINTR) {
SILC_LOG_DEBUG(("Could not write immediately, will do it later"));
silc_schedule_set_listen_fd(fd_stream->schedule, fd_stream->fd2,
SILC_TASK_READ | SILC_TASK_WRITE, FALSE);
return -1;
}
SILC_LOG_DEBUG(("Cannot write to fd: %s", strerror(errno)));
silc_schedule_unset_listen_fd(fd_stream->schedule, fd_stream->fd2);
fd_stream->error = errno;
return -2;
}
SILC_LOG_DEBUG(("Wrote data %d bytes", ret));
if (fd_stream->fd1 == fd_stream->fd2)
silc_schedule_set_listen_fd(fd_stream->schedule, fd_stream->fd2,
SILC_TASK_READ, FALSE);
else
silc_schedule_unset_listen_fd(fd_stream->schedule, fd_stream->fd2);
return ret;
}
int silc_file_writefile(const char *filename, const char *buffer,
SilcUInt32 len)
{
int fd;
int flags = O_CREAT | O_WRONLY | O_TRUNC;
#if defined(O_BINARY)
flags |= O_BINARY;
#endif /* O_BINARY */
if ((fd = open(filename, flags, 0644)) == -1) {
SILC_LOG_ERROR(("Cannot open file %s for writing: %s", filename,
silc_errno_string(silc_errno)));
return -1;
}
if (silc_file_write(fd, buffer, len) == -1) {
SILC_LOG_ERROR(("Cannot write to file %s: %s", filename,
silc_errno_string(silc_errno)));
silc_file_close(fd);
return -1;
}
#ifdef SILC_UNIX
fsync(fd);
#endif /* SILC_UNIX */
return silc_file_close(fd);
}
static void silc_client_ftp_data(SilcSFTP sftp,
SilcSFTPStatus status,
const unsigned char *data,
SilcUInt32 data_len,
void *context)
{
SilcClientFtpSession session = (SilcClientFtpSession)context;
SILC_LOG_DEBUG(("Start"));
if (status == SILC_SFTP_STATUS_EOF) {
/* EOF received */
/* Close the handle */
silc_sftp_close(sftp, session->read_handle, NULL, NULL);
session->read_handle = NULL;
/* Close the real file descriptor */
silc_file_close(session->fd);
return;
}
if (status != SILC_SFTP_STATUS_OK) {
/* Call monitor callback */
if (session->monitor)
(*session->monitor)(session->client, session->conn,
SILC_CLIENT_FILE_MONITOR_ERROR,
(status == SILC_SFTP_STATUS_NO_SUCH_FILE ?
SILC_CLIENT_FILE_NO_SUCH_FILE :
status == SILC_SFTP_STATUS_PERMISSION_DENIED ?
SILC_CLIENT_FILE_PERMISSION_DENIED :
SILC_CLIENT_FILE_ERROR), 0, 0,
session->client_entry, session->session_id,
session->filepath, session->monitor_context);
/* Close the handle */
silc_sftp_close(sftp, session->read_handle, NULL, NULL);
session->read_handle = NULL;
/* Close the real file descriptor */
silc_file_close(session->fd);
return;
}
/* Read more, until EOF is received */
session->read_offset += data_len;
silc_sftp_read(sftp, session->read_handle, session->read_offset,
SILC_PACKET_MAX_LEN - 1024,
silc_client_ftp_data, session);
/* Write the read data to the real file */
silc_file_write(session->fd, data, data_len);
/* Call monitor callback */
if (session->monitor)
(*session->monitor)(session->client, session->conn,
SILC_CLIENT_FILE_MONITOR_RECEIVE,
SILC_CLIENT_FILE_OK,
session->read_offset, session->filesize,
session->client_entry, session->session_id,
session->filepath, session->monitor_context);
}
