static int wait_for_data(Socket* fp, bool wait_for_read)
{
errno = 0;
const int r = sock_check_pending(fp, !wait_for_read);
#if 0
if(r < 0 && errno == EINTR && gvSigStopReceived && ftp_sigints() == 0) {
gvSigStopReceived = false;
r = 0;
}
#endif
if(r < 0) {
/* perror("\nselect");*/
if(errno == EINTR) {
if(gvSighupReceived)
return 1;
if(gvInterrupted)
return -1;
if(ftp_sigints() == 0)
/* assume it is a SIGSTOP/SIGCONT signal */
return 0;
}
return -1;
}
if(r)
ftp->ti.stalled = 0;
else
ftp->ti.stalled++;
return r;
}
void ftp_flush_reply(void)
{
if(!ftp_connected())
return;
#ifdef HAVE_LIBSSH
if (ftp->session)
return;
#endif
/* ftp_set_signal(SIGINT, SIG_IGN);*/
fprintf(stderr, "flushing replies...\r");
/* ftp_reply_timeout(10);*/
while(ftp_connected()) {
if (sock_check_pending(ftp->ctrl, false) == 1)
ftp_read_reply();
else
break;
}
#if 0
if(ftp_loggedin())
ftp_chdir(ftp->curdir);
#endif
ftp_set_close_handler();
}
/* abort routine originally from Cftp by Dieter Baron
*/
int ftp_abort(Socket* fp)
{
char buf[4096];
#ifdef HAVE_LIBSSH
if(ftp->session)
/* FIXME: what? */
return 0;
#endif
if(!ftp_connected())
return -1;
ftp_set_close_handler();
if (sock_check_pending(fp, false) == 1) {
ftp_trace("There is data on the control channel, won't send ABOR\n");
/* read remaining bytes from connection */
while(fp && sock_read(fp, buf, sizeof(buf)) > 0)
/* LOOP */ ;
return 0;
}
ftp->ti.interrupted = true;
ftp_err(_("Waiting for remote to finish abort...\n"));
ftp_trace("--> telnet interrupt\n");
if(sock_telnet_interrupt(ftp->ctrl) != 0)
ftp_err("telnet interrupt: %s\n", strerror(errno));
/* ftp_cmd("ABOR") won't work here,
* we must flush data between the ABOR command and ftp_read_reply()
*/
sock_krb_printf(ftp->ctrl, "ABOR");
sock_printf(ftp->ctrl, "\r\n");
sock_flush(ftp->ctrl);
if(ftp_get_verbosity() == vbDebug)
ftp_err("--> [%s] ABOR\n", ftp->url->hostname);
else
ftp_trace("--> [%s] ABOR\n", ftp->url->hostname);
/* read remaining bytes from connection */
while(fp && sock_read(fp, buf, sizeof(buf)) > 0)
/* LOOP */ ;
/* we expect a 426 or 226 reply here... */
ftp_read_reply();
if(ftp->fullcode != 426 && ftp->fullcode != 226)
ftp_trace("Huh!? Expected a 426 or 226 reply\n");
/* ... and a 226 or 225 reply here, respectively */
/* FIXME: should skip this reply if prev. reply wasn't 426 or 226 ? */
ftp_read_reply();
if(ftp->fullcode != 226 && ftp->fullcode != 225)
ftp_trace("Huh!? Expected a 226 or 225 reply\n");
return -1;
}