/* Client main. If true is returned, a disconnect has not been done. */
static int
client (assuan_context_t ctx, const char *fname)
{
int rc;
FILE *fp;
int i;
log_info ("client started. Servers's pid is %ld\n",
(long)assuan_get_pid (ctx));
for (i=0; i < 6; i++)
{
fp = fopen (fname, "r");
if (!fp)
{
log_error ("failed to open `%s': %s\n", fname,
strerror (errno));
return -1;
}
rc = assuan_sendfd (ctx, fileno (fp));
if (rc)
{
log_error ("assuan_sendfd failed: %s\n", gpg_strerror (rc));
return -1;
}
fclose (fp);
rc = assuan_transact (ctx, "INPUT FD", NULL, NULL, NULL, NULL,
NULL, NULL);
if (rc)
{
log_error ("sending INPUT FD failed: %s\n", gpg_strerror (rc));
return -1;
}
rc = assuan_transact (ctx, "ECHO", NULL, NULL, NULL, NULL, NULL, NULL);
if (rc)
{
log_error ("sending ECHO failed: %s\n", gpg_strerror (rc));
return -1;
}
}
/* Give us some time to check with lsof that all descriptors are closed. */
/* sleep (10); */
assuan_release (ctx);
return 0;
}
static gpgme_error_t
gpgsm_set_fd (engine_gpgsm_t gpgsm, fd_type_t fd_type, const char *opt)
{
gpg_error_t err = 0;
char line[COMMANDLINELEN];
char *which;
iocb_data_t *iocb_data;
int dir;
switch (fd_type)
{
case INPUT_FD:
which = "INPUT";
iocb_data = &gpgsm->input_cb;
break;
case OUTPUT_FD:
which = "OUTPUT";
iocb_data = &gpgsm->output_cb;
break;
case MESSAGE_FD:
which = "MESSAGE";
iocb_data = &gpgsm->message_cb;
break;
default:
return gpg_error (GPG_ERR_INV_VALUE);
}
dir = iocb_data->dir;
#if USE_DESCRIPTOR_PASSING
/* We try to short-cut the communication by giving GPGSM direct
access to the file descriptor, rather than using a pipe. */
iocb_data->server_fd = _gpgme_data_get_fd (iocb_data->data);
if (iocb_data->server_fd < 0)
{
int fds[2];
if (_gpgme_io_pipe (fds, dir) < 0)
return gpg_error_from_syserror ();
iocb_data->fd = dir ? fds[0] : fds[1];
iocb_data->server_fd = dir ? fds[1] : fds[0];
if (_gpgme_io_set_close_notify (iocb_data->fd,
close_notify_handler, gpgsm))
{
err = gpg_error (GPG_ERR_GENERAL);
goto leave_set_fd;
}
}
err = assuan_sendfd (gpgsm->assuan_ctx, iocb_data->server_fd);
if (err)
goto leave_set_fd;
_gpgme_io_close (iocb_data->server_fd);
iocb_data->server_fd = -1;
if (opt)
snprintf (line, COMMANDLINELEN, "%s FD %s", which, opt);
else
snprintf (line, COMMANDLINELEN, "%s FD", which);
#else
if (opt)
snprintf (line, COMMANDLINELEN, "%s FD=%s %s",
which, iocb_data->server_fd_str, opt);
else
snprintf (line, COMMANDLINELEN, "%s FD=%s",
which, iocb_data->server_fd_str);
#endif
err = gpgsm_assuan_simple_command (gpgsm->assuan_ctx, line, NULL, NULL);
#if USE_DESCRIPTOR_PASSING
leave_set_fd:
if (err)
{
_gpgme_io_close (iocb_data->fd);
iocb_data->fd = -1;
if (iocb_data->server_fd != -1)
{
_gpgme_io_close (iocb_data->server_fd);
iocb_data->server_fd = -1;
}
}
#endif
return err;
}
