mirror of
https://github.com/reactos/reactos.git
synced 2024-08-21 19:03:01 +00:00
188 lines
4.5 KiB
C
188 lines
4.5 KiB
C
/* -*- c-basic-offset: 8 -*-
|
|
rdesktop: A Remote Desktop Protocol client.
|
|
Copyright (C) Matthew Chapman 1999-2005
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License along
|
|
with this program; if not, write to the Free Software Foundation, Inc.,
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
#define MAX_PARALLEL_DEVICES 1
|
|
|
|
#define FILE_DEVICE_PARALLEL 0x22
|
|
|
|
#define IOCTL_PAR_QUERY_RAW_DEVICE_ID 0x0c
|
|
|
|
#include "rdesktop.h"
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <sys/ioctl.h>
|
|
#include <errno.h>
|
|
|
|
#if defined(__linux__)
|
|
#include <linux/lp.h>
|
|
#endif
|
|
|
|
/* Enumeration of devices from rdesktop.c */
|
|
/* returns numer of units found and initialized. */
|
|
/* optarg looks like ':LPT1=/dev/lp0' */
|
|
/* when it arrives to this function. */
|
|
int
|
|
parallel_enum_devices(RDPCLIENT * This, uint32 * id, char *optarg)
|
|
{
|
|
PARALLEL_DEVICE *ppar_info;
|
|
|
|
char *pos = optarg;
|
|
char *pos2;
|
|
int count = 0;
|
|
|
|
/* skip the first colon */
|
|
optarg++;
|
|
while ((pos = next_arg(optarg, ',')) && *id < RDPDR_MAX_DEVICES)
|
|
{
|
|
ppar_info = (PARALLEL_DEVICE *) xmalloc(sizeof(PARALLEL_DEVICE));
|
|
|
|
pos2 = next_arg(optarg, '=');
|
|
strcpy(This->rdpdr_device[*id].name, optarg);
|
|
|
|
toupper_str(This->rdpdr_device[*id].name);
|
|
|
|
This->rdpdr_device[*id].local_path = xmalloc(strlen(pos2) + 1);
|
|
strcpy(This->rdpdr_device[*id].local_path, pos2);
|
|
printf("PARALLEL %s to %s\n", optarg, pos2);
|
|
|
|
/* set device type */
|
|
This->rdpdr_device[*id].device_type = DEVICE_TYPE_PARALLEL;
|
|
This->rdpdr_device[*id].pdevice_data = (void *) ppar_info;
|
|
This->rdpdr_device[*id].handle = 0;
|
|
count++;
|
|
(*id)++;
|
|
|
|
optarg = pos;
|
|
}
|
|
return count;
|
|
}
|
|
|
|
static NTSTATUS
|
|
parallel_create(RDPCLIENT * This, uint32 device_id, uint32 access, uint32 share_mode, uint32 disposition,
|
|
uint32 flags, char *filename, NTHANDLE * handle)
|
|
{
|
|
int parallel_fd;
|
|
|
|
parallel_fd = open(This->rdpdr_device[device_id].local_path, O_RDWR);
|
|
if (parallel_fd == -1)
|
|
{
|
|
perror("open");
|
|
return STATUS_ACCESS_DENIED;
|
|
}
|
|
|
|
/* all read and writes should be non blocking */
|
|
if (fcntl(parallel_fd, F_SETFL, O_NONBLOCK) == -1)
|
|
perror("fcntl");
|
|
|
|
#if defined(LPABORT)
|
|
/* Retry on errors */
|
|
ioctl(parallel_fd, LPABORT, (int) 1);
|
|
#endif
|
|
|
|
This->rdpdr_device[device_id].handle = parallel_fd;
|
|
|
|
*handle = parallel_fd;
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS
|
|
parallel_close(RDPCLIENT * This, NTHANDLE handle)
|
|
{
|
|
int i = get_device_index(This, handle);
|
|
if (i >= 0)
|
|
This->rdpdr_device[i].handle = 0;
|
|
close(handle);
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS
|
|
parallel_read(RDPCLIENT * This, NTHANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result)
|
|
{
|
|
*result = read(handle, data, length);
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS
|
|
parallel_write(RDPCLIENT * This, NTHANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result)
|
|
{
|
|
int rc = STATUS_SUCCESS;
|
|
|
|
int n = write(handle, data, length);
|
|
if (n < 0)
|
|
{
|
|
#if defined(LPGETSTATUS)
|
|
int status;
|
|
#endif
|
|
|
|
*result = 0;
|
|
switch (errno)
|
|
{
|
|
case EAGAIN:
|
|
rc = STATUS_DEVICE_OFF_LINE;
|
|
case ENOSPC:
|
|
rc = STATUS_DEVICE_PAPER_EMPTY;
|
|
case EIO:
|
|
rc = STATUS_DEVICE_OFF_LINE;
|
|
default:
|
|
rc = STATUS_DEVICE_POWERED_OFF;
|
|
}
|
|
#if defined(LPGETSTATUS)
|
|
if (ioctl(handle, LPGETSTATUS, &status) == 0)
|
|
{
|
|
/* coming soon: take care for the printer status */
|
|
printf("parallel_write: status = %d, errno = %d\n", status, errno);
|
|
}
|
|
#endif
|
|
}
|
|
*result = n;
|
|
return rc;
|
|
}
|
|
|
|
static NTSTATUS
|
|
parallel_device_control(RDPCLIENT * This, NTHANDLE handle, uint32 request, STREAM in, STREAM out)
|
|
{
|
|
if ((request >> 16) != FILE_DEVICE_PARALLEL)
|
|
return STATUS_INVALID_PARAMETER;
|
|
|
|
/* extract operation */
|
|
request >>= 2;
|
|
request &= 0xfff;
|
|
|
|
printf("PARALLEL IOCTL %d: ", request);
|
|
|
|
switch (request)
|
|
{
|
|
case IOCTL_PAR_QUERY_RAW_DEVICE_ID:
|
|
|
|
default:
|
|
|
|
printf("\n");
|
|
unimpl("UNKNOWN IOCTL %d\n", request);
|
|
}
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
DEVICE_FNS parallel_fns = {
|
|
parallel_create,
|
|
parallel_close,
|
|
parallel_read,
|
|
parallel_write,
|
|
parallel_device_control
|
|
};
|