a180a41bba1d50822df23fff0099e90b86638b89vboxsync/* -*- c-basic-offset: 8 -*-
a180a41bba1d50822df23fff0099e90b86638b89vboxsync rdesktop: A Remote Desktop Protocol client.
a180a41bba1d50822df23fff0099e90b86638b89vboxsync Copyright (C) Matthew Chapman <matthewc.unsw.edu.au> 1999-2008
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync This program is free software: you can redistribute it and/or modify
a180a41bba1d50822df23fff0099e90b86638b89vboxsync it under the terms of the GNU General Public License as published by
a180a41bba1d50822df23fff0099e90b86638b89vboxsync the Free Software Foundation, either version 3 of the License, or
a180a41bba1d50822df23fff0099e90b86638b89vboxsync (at your option) any later version.
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync This program is distributed in the hope that it will be useful,
a180a41bba1d50822df23fff0099e90b86638b89vboxsync but WITHOUT ANY WARRANTY; without even the implied warranty of
a180a41bba1d50822df23fff0099e90b86638b89vboxsync MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
a180a41bba1d50822df23fff0099e90b86638b89vboxsync GNU General Public License for more details.
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync You should have received a copy of the GNU General Public License
a180a41bba1d50822df23fff0099e90b86638b89vboxsync along with this program. If not, see <http://www.gnu.org/licenses/>.
a180a41bba1d50822df23fff0099e90b86638b89vboxsync*/
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync/*
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * Oracle GPL Disclaimer: For the avoidance of doubt, except that if any license choice
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * other than GPL or LGPL is available it will apply instead, Oracle elects to use only
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * the General Public License version 2 (GPLv2) at this time for any software where
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * a choice of GPL license versions is made available with the language indicating
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * that GPLv2 or any later version may be used, or where a choice of which version
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * of the GPL is applied is otherwise unspecified.
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync#define MAX_PARALLEL_DEVICES 1
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync#define FILE_DEVICE_PARALLEL 0x22
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync#define IOCTL_PAR_QUERY_RAW_DEVICE_ID 0x0c
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync#include "rdesktop.h"
a180a41bba1d50822df23fff0099e90b86638b89vboxsync#include <unistd.h>
a180a41bba1d50822df23fff0099e90b86638b89vboxsync#include <fcntl.h>
a180a41bba1d50822df23fff0099e90b86638b89vboxsync#include <sys/ioctl.h>
a180a41bba1d50822df23fff0099e90b86638b89vboxsync#include <errno.h>
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync#if defined(__linux__)
a180a41bba1d50822df23fff0099e90b86638b89vboxsync#include <linux/lp.h>
a180a41bba1d50822df23fff0099e90b86638b89vboxsync#endif
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsyncextern RDPDR_DEVICE g_rdpdr_device[];
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync/* Enumeration of devices from rdesktop.c */
a180a41bba1d50822df23fff0099e90b86638b89vboxsync/* returns numer of units found and initialized. */
a180a41bba1d50822df23fff0099e90b86638b89vboxsync/* optarg looks like ':LPT1=/dev/lp0' */
a180a41bba1d50822df23fff0099e90b86638b89vboxsync/* when it arrives to this function. */
a180a41bba1d50822df23fff0099e90b86638b89vboxsyncint
a180a41bba1d50822df23fff0099e90b86638b89vboxsyncparallel_enum_devices(uint32 * id, char *optarg)
a180a41bba1d50822df23fff0099e90b86638b89vboxsync{
a180a41bba1d50822df23fff0099e90b86638b89vboxsync PARALLEL_DEVICE *ppar_info;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync char *pos = optarg;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync char *pos2;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync int count = 0;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync /* skip the first colon */
a180a41bba1d50822df23fff0099e90b86638b89vboxsync optarg++;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync while ((pos = next_arg(optarg, ',')) && *id < RDPDR_MAX_DEVICES)
a180a41bba1d50822df23fff0099e90b86638b89vboxsync {
a180a41bba1d50822df23fff0099e90b86638b89vboxsync ppar_info = (PARALLEL_DEVICE *) xmalloc(sizeof(PARALLEL_DEVICE));
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync pos2 = next_arg(optarg, '=');
a180a41bba1d50822df23fff0099e90b86638b89vboxsync strcpy(g_rdpdr_device[*id].name, optarg);
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync toupper_str(g_rdpdr_device[*id].name);
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync g_rdpdr_device[*id].local_path = xmalloc(strlen(pos2) + 1);
a180a41bba1d50822df23fff0099e90b86638b89vboxsync strcpy(g_rdpdr_device[*id].local_path, pos2);
a180a41bba1d50822df23fff0099e90b86638b89vboxsync printf("PARALLEL %s to %s\n", optarg, pos2);
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync /* set device type */
a180a41bba1d50822df23fff0099e90b86638b89vboxsync g_rdpdr_device[*id].device_type = DEVICE_TYPE_PARALLEL;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync g_rdpdr_device[*id].pdevice_data = (void *) ppar_info;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync g_rdpdr_device[*id].handle = 0;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync count++;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync (*id)++;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync optarg = pos;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync }
a180a41bba1d50822df23fff0099e90b86638b89vboxsync return count;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync}
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsyncstatic RD_NTSTATUS
a180a41bba1d50822df23fff0099e90b86638b89vboxsyncparallel_create(uint32 device_id, uint32 access, uint32 share_mode, uint32 disposition,
a180a41bba1d50822df23fff0099e90b86638b89vboxsync uint32 flags, char *filename, RD_NTHANDLE * handle)
a180a41bba1d50822df23fff0099e90b86638b89vboxsync{
a180a41bba1d50822df23fff0099e90b86638b89vboxsync int parallel_fd;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync parallel_fd = open(g_rdpdr_device[device_id].local_path, O_RDWR);
a180a41bba1d50822df23fff0099e90b86638b89vboxsync if (parallel_fd == -1)
a180a41bba1d50822df23fff0099e90b86638b89vboxsync {
a180a41bba1d50822df23fff0099e90b86638b89vboxsync perror("open");
a180a41bba1d50822df23fff0099e90b86638b89vboxsync return RD_STATUS_ACCESS_DENIED;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync }
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync /* all read and writes should be non blocking */
a180a41bba1d50822df23fff0099e90b86638b89vboxsync if (fcntl(parallel_fd, F_SETFL, O_NONBLOCK) == -1)
a180a41bba1d50822df23fff0099e90b86638b89vboxsync perror("fcntl");
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync#if defined(LPABORT)
a180a41bba1d50822df23fff0099e90b86638b89vboxsync /* Retry on errors */
a180a41bba1d50822df23fff0099e90b86638b89vboxsync ioctl(parallel_fd, LPABORT, (int) 1);
a180a41bba1d50822df23fff0099e90b86638b89vboxsync#endif
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync g_rdpdr_device[device_id].handle = parallel_fd;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync *handle = parallel_fd;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync return RD_STATUS_SUCCESS;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync}
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsyncstatic RD_NTSTATUS
a180a41bba1d50822df23fff0099e90b86638b89vboxsyncparallel_close(RD_NTHANDLE handle)
a180a41bba1d50822df23fff0099e90b86638b89vboxsync{
a180a41bba1d50822df23fff0099e90b86638b89vboxsync int i = get_device_index(handle);
a180a41bba1d50822df23fff0099e90b86638b89vboxsync if (i >= 0)
a180a41bba1d50822df23fff0099e90b86638b89vboxsync g_rdpdr_device[i].handle = 0;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync close(handle);
a180a41bba1d50822df23fff0099e90b86638b89vboxsync return RD_STATUS_SUCCESS;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync}
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsyncstatic RD_NTSTATUS
a180a41bba1d50822df23fff0099e90b86638b89vboxsyncparallel_read(RD_NTHANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result)
a180a41bba1d50822df23fff0099e90b86638b89vboxsync{
a180a41bba1d50822df23fff0099e90b86638b89vboxsync *result = read(handle, data, length);
a180a41bba1d50822df23fff0099e90b86638b89vboxsync return RD_STATUS_SUCCESS;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync}
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsyncstatic RD_NTSTATUS
a180a41bba1d50822df23fff0099e90b86638b89vboxsyncparallel_write(RD_NTHANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result)
a180a41bba1d50822df23fff0099e90b86638b89vboxsync{
a180a41bba1d50822df23fff0099e90b86638b89vboxsync int rc = RD_STATUS_SUCCESS;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync int n = write(handle, data, length);
a180a41bba1d50822df23fff0099e90b86638b89vboxsync if (n < 0)
a180a41bba1d50822df23fff0099e90b86638b89vboxsync {
a180a41bba1d50822df23fff0099e90b86638b89vboxsync#if defined(LPGETSTATUS)
a180a41bba1d50822df23fff0099e90b86638b89vboxsync int status;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync#endif
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync *result = 0;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync switch (errno)
a180a41bba1d50822df23fff0099e90b86638b89vboxsync {
a180a41bba1d50822df23fff0099e90b86638b89vboxsync case EAGAIN:
a180a41bba1d50822df23fff0099e90b86638b89vboxsync rc = RD_STATUS_DEVICE_OFF_LINE;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync case ENOSPC:
a180a41bba1d50822df23fff0099e90b86638b89vboxsync rc = RD_STATUS_DEVICE_PAPER_EMPTY;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync case EIO:
a180a41bba1d50822df23fff0099e90b86638b89vboxsync rc = RD_STATUS_DEVICE_OFF_LINE;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync default:
a180a41bba1d50822df23fff0099e90b86638b89vboxsync rc = RD_STATUS_DEVICE_POWERED_OFF;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync }
a180a41bba1d50822df23fff0099e90b86638b89vboxsync#if defined(LPGETSTATUS)
a180a41bba1d50822df23fff0099e90b86638b89vboxsync if (ioctl(handle, LPGETSTATUS, &status) == 0)
a180a41bba1d50822df23fff0099e90b86638b89vboxsync {
a180a41bba1d50822df23fff0099e90b86638b89vboxsync /* coming soon: take care for the printer status */
a180a41bba1d50822df23fff0099e90b86638b89vboxsync printf("parallel_write: status = %d, errno = %d\n", status, errno);
a180a41bba1d50822df23fff0099e90b86638b89vboxsync }
a180a41bba1d50822df23fff0099e90b86638b89vboxsync#endif
a180a41bba1d50822df23fff0099e90b86638b89vboxsync }
a180a41bba1d50822df23fff0099e90b86638b89vboxsync *result = n;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync return rc;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync}
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsyncstatic RD_NTSTATUS
a180a41bba1d50822df23fff0099e90b86638b89vboxsyncparallel_device_control(RD_NTHANDLE handle, uint32 request, STREAM in, STREAM out)
a180a41bba1d50822df23fff0099e90b86638b89vboxsync{
a180a41bba1d50822df23fff0099e90b86638b89vboxsync if ((request >> 16) != FILE_DEVICE_PARALLEL)
a180a41bba1d50822df23fff0099e90b86638b89vboxsync return RD_STATUS_INVALID_PARAMETER;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync /* extract operation */
a180a41bba1d50822df23fff0099e90b86638b89vboxsync request >>= 2;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync request &= 0xfff;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync printf("PARALLEL IOCTL %d: ", request);
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync switch (request)
a180a41bba1d50822df23fff0099e90b86638b89vboxsync {
a180a41bba1d50822df23fff0099e90b86638b89vboxsync case IOCTL_PAR_QUERY_RAW_DEVICE_ID:
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync default:
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsync printf("\n");
a180a41bba1d50822df23fff0099e90b86638b89vboxsync unimpl("UNKNOWN IOCTL %d\n", request);
a180a41bba1d50822df23fff0099e90b86638b89vboxsync }
a180a41bba1d50822df23fff0099e90b86638b89vboxsync return RD_STATUS_SUCCESS;
a180a41bba1d50822df23fff0099e90b86638b89vboxsync}
a180a41bba1d50822df23fff0099e90b86638b89vboxsync
a180a41bba1d50822df23fff0099e90b86638b89vboxsyncDEVICE_FNS parallel_fns = {
a180a41bba1d50822df23fff0099e90b86638b89vboxsync parallel_create,
a180a41bba1d50822df23fff0099e90b86638b89vboxsync parallel_close,
a180a41bba1d50822df23fff0099e90b86638b89vboxsync parallel_read,
a180a41bba1d50822df23fff0099e90b86638b89vboxsync parallel_write,
a180a41bba1d50822df23fff0099e90b86638b89vboxsync parallel_device_control
a180a41bba1d50822df23fff0099e90b86638b89vboxsync};