/* 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; }
/* abort routine originally from Cftp by Dieter Baron */ int ftp_abort(FILE *fp) { char buf[4096]; fd_set ready; struct timeval poll; if(ftp->ssh_pid) /* FIXME: what? */ return 0; if(!ftp_connected()) return -1; ftp_set_close_handler(); poll.tv_sec = poll.tv_usec = 0; FD_ZERO(&ready); FD_SET(ftp->ctrl->handle, &ready); if(select(ftp->ctrl->handle+1, &ready, 0, 0, &poll) == 1) { ftp_trace("There is data on the control channel, won't send ABOR\n"); /* read remaining bytes from connection */ while(fp && fread(buf, 1, 4096, fp) > 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 && fread(buf, 1, 4096, fp) > 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; }