--- /dev/null
+/* -*- 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.
+*/
+#include <unistd.h>
+#include <fcntl.h>
+#include <termios.h>
+#include <strings.h>
+#include <sys/ioctl.h>
+
+#ifdef HAVE_SYS_MODEM_H
+#include <sys/modem.h>
+#endif
+#ifdef HAVE_SYS_FILIO_H
+#include <sys/filio.h>
+#endif
+#ifdef HAVE_SYS_STRTIO_H
+#include <sys/strtio.h>
+#endif
+
+#include "rdesktop.h"
+
+#ifdef WITH_DEBUG_SERIAL
+#define DEBUG_SERIAL(args) printf args;
+#else
+#define DEBUG_SERIAL(args)
+#endif
+
+#define FILE_DEVICE_SERIAL_PORT 0x1b
+
+#define SERIAL_SET_BAUD_RATE 1
+#define SERIAL_SET_QUEUE_SIZE 2
+#define SERIAL_SET_LINE_CONTROL 3
+#define SERIAL_SET_BREAK_ON 4
+#define SERIAL_SET_BREAK_OFF 5
+#define SERIAL_IMMEDIATE_CHAR 6
+#define SERIAL_SET_TIMEOUTS 7
+#define SERIAL_GET_TIMEOUTS 8
+#define SERIAL_SET_DTR 9
+#define SERIAL_CLR_DTR 10
+#define SERIAL_RESET_DEVICE 11
+#define SERIAL_SET_RTS 12
+#define SERIAL_CLR_RTS 13
+#define SERIAL_SET_XOFF 14
+#define SERIAL_SET_XON 15
+#define SERIAL_GET_WAIT_MASK 16
+#define SERIAL_SET_WAIT_MASK 17
+#define SERIAL_WAIT_ON_MASK 18
+#define SERIAL_PURGE 19
+#define SERIAL_GET_BAUD_RATE 20
+#define SERIAL_GET_LINE_CONTROL 21
+#define SERIAL_GET_CHARS 22
+#define SERIAL_SET_CHARS 23
+#define SERIAL_GET_HANDFLOW 24
+#define SERIAL_SET_HANDFLOW 25
+#define SERIAL_GET_MODEMSTATUS 26
+#define SERIAL_GET_COMMSTATUS 27
+#define SERIAL_XOFF_COUNTER 28
+#define SERIAL_GET_PROPERTIES 29
+#define SERIAL_GET_DTRRTS 30
+#define SERIAL_LSRMST_INSERT 31
+#define SERIAL_CONFIG_SIZE 32
+#define SERIAL_GET_COMMCONFIG 33
+#define SERIAL_SET_COMMCONFIG 34
+#define SERIAL_GET_STATS 35
+#define SERIAL_CLEAR_STATS 36
+#define SERIAL_GET_MODEM_CONTROL 37
+#define SERIAL_SET_MODEM_CONTROL 38
+#define SERIAL_SET_FIFO_CONTROL 39
+
+#define STOP_BITS_1 0
+#define STOP_BITS_2 2
+
+#define NO_PARITY 0
+#define ODD_PARITY 1
+#define EVEN_PARITY 2
+
+#define SERIAL_PURGE_TXABORT 0x00000001
+#define SERIAL_PURGE_RXABORT 0x00000002
+#define SERIAL_PURGE_TXCLEAR 0x00000004
+#define SERIAL_PURGE_RXCLEAR 0x00000008
+
+/* SERIAL_WAIT_ON_MASK */
+#define SERIAL_EV_RXCHAR 0x0001 /* Any Character received */
+#define SERIAL_EV_RXFLAG 0x0002 /* Received certain character */
+#define SERIAL_EV_TXEMPTY 0x0004 /* Transmitt Queue Empty */
+#define SERIAL_EV_CTS 0x0008 /* CTS changed state */
+#define SERIAL_EV_DSR 0x0010 /* DSR changed state */
+#define SERIAL_EV_RLSD 0x0020 /* RLSD changed state */
+#define SERIAL_EV_BREAK 0x0040 /* BREAK received */
+#define SERIAL_EV_ERR 0x0080 /* Line status error occurred */
+#define SERIAL_EV_RING 0x0100 /* Ring signal detected */
+#define SERIAL_EV_PERR 0x0200 /* Printer error occured */
+#define SERIAL_EV_RX80FULL 0x0400 /* Receive buffer is 80 percent full */
+#define SERIAL_EV_EVENT1 0x0800 /* Provider specific event 1 */
+#define SERIAL_EV_EVENT2 0x1000 /* Provider specific event 2 */
+
+/* Modem Status */
+#define SERIAL_MS_DTR 0x01
+#define SERIAL_MS_RTS 0x02
+#define SERIAL_MS_CTS 0x10
+#define SERIAL_MS_DSR 0x20
+#define SERIAL_MS_RNG 0x40
+#define SERIAL_MS_CAR 0x80
+
+/* Handflow */
+#define SERIAL_DTR_CONTROL 0x01
+#define SERIAL_CTS_HANDSHAKE 0x08
+#define SERIAL_ERROR_ABORT 0x80000000
+
+#define SERIAL_XON_HANDSHAKE 0x01
+#define SERIAL_XOFF_HANDSHAKE 0x02
+#define SERIAL_DSR_SENSITIVITY 0x40
+
+#define SERIAL_CHAR_EOF 0
+#define SERIAL_CHAR_ERROR 1
+#define SERIAL_CHAR_BREAK 2
+#define SERIAL_CHAR_EVENT 3
+#define SERIAL_CHAR_XON 4
+#define SERIAL_CHAR_XOFF 5
+
+#ifndef CRTSCTS
+#define CRTSCTS 0
+#endif
+
+/* FIONREAD should really do the same thing as TIOCINQ, where it is
+ * not available */
+#if !defined(TIOCINQ) && defined(FIONREAD)
+#define TIOCINQ FIONREAD
+#endif
+#if !defined(TIOCOUTQ) && defined(FIONWRITE)
+#define TIOCOUTQ FIONWRITE
+#endif
+
+static SERIAL_DEVICE *
+get_serial_info(RDPCLIENT * This, NTHANDLE handle)
+{
+ int index;
+
+ for (index = 0; index < RDPDR_MAX_DEVICES; index++)
+ {
+ if (handle == This->rdpdr_device[index].handle)
+ return (SERIAL_DEVICE *) This->rdpdr_device[index].pdevice_data;
+ }
+ return NULL;
+}
+
+static BOOL
+get_termios(SERIAL_DEVICE * pser_inf, NTHANDLE serial_fd)
+{
+ speed_t speed;
+ struct termios *ptermios;
+
+ ptermios = pser_inf->ptermios;
+
+ if (tcgetattr(serial_fd, ptermios) == -1)
+ return False;
+
+ speed = cfgetispeed(ptermios);
+ switch (speed)
+ {
+#ifdef B75
+ case B75:
+ pser_inf->baud_rate = 75;
+ break;
+#endif
+#ifdef B110
+ case B110:
+ pser_inf->baud_rate = 110;
+ break;
+#endif
+#ifdef B134
+ case B134:
+ pser_inf->baud_rate = 134;
+ break;
+#endif
+#ifdef B150
+ case B150:
+ pser_inf->baud_rate = 150;
+ break;
+#endif
+#ifdef B300
+ case B300:
+ pser_inf->baud_rate = 300;
+ break;
+#endif
+#ifdef B600
+ case B600:
+ pser_inf->baud_rate = 600;
+ break;
+#endif
+#ifdef B1200
+ case B1200:
+ pser_inf->baud_rate = 1200;
+ break;
+#endif
+#ifdef B1800
+ case B1800:
+ pser_inf->baud_rate = 1800;
+ break;
+#endif
+#ifdef B2400
+ case B2400:
+ pser_inf->baud_rate = 2400;
+ break;
+#endif
+#ifdef B4800
+ case B4800:
+ pser_inf->baud_rate = 4800;
+ break;
+#endif
+#ifdef B9600
+ case B9600:
+ pser_inf->baud_rate = 9600;
+ break;
+#endif
+#ifdef B19200
+ case B19200:
+ pser_inf->baud_rate = 19200;
+ break;
+#endif
+#ifdef B38400
+ case B38400:
+ pser_inf->baud_rate = 38400;
+ break;
+#endif
+#ifdef B57600
+ case B57600:
+ pser_inf->baud_rate = 57600;
+ break;
+#endif
+#ifdef B115200
+ case B115200:
+ pser_inf->baud_rate = 115200;
+ break;
+#endif
+#ifdef B230400
+ case B230400:
+ pser_inf->baud_rate = 230400;
+ break;
+#endif
+#ifdef B460800
+ case B460800:
+ pser_inf->baud_rate = 460800;
+ break;
+#endif
+ default:
+ pser_inf->baud_rate = 9600;
+ break;
+ }
+
+ speed = cfgetospeed(ptermios);
+ pser_inf->dtr = (speed == B0) ? 0 : 1;
+
+ pser_inf->stop_bits = (ptermios->c_cflag & CSTOPB) ? STOP_BITS_2 : STOP_BITS_1;
+ pser_inf->parity =
+ (ptermios->
+ c_cflag & PARENB) ? ((ptermios->
+ c_cflag & PARODD) ? ODD_PARITY : EVEN_PARITY) : NO_PARITY;
+ switch (ptermios->c_cflag & CSIZE)
+ {
+ case CS5:
+ pser_inf->word_length = 5;
+ break;
+ case CS6:
+ pser_inf->word_length = 6;
+ break;
+ case CS7:
+ pser_inf->word_length = 7;
+ break;
+ default:
+ pser_inf->word_length = 8;
+ break;
+ }
+
+ if (ptermios->c_cflag & CRTSCTS)
+ {
+ pser_inf->control = SERIAL_DTR_CONTROL | SERIAL_CTS_HANDSHAKE | SERIAL_ERROR_ABORT;
+ }
+ else
+ {
+ pser_inf->control = SERIAL_DTR_CONTROL | SERIAL_ERROR_ABORT;
+ }
+
+ pser_inf->xonoff = SERIAL_DSR_SENSITIVITY;
+ if (ptermios->c_iflag & IXON)
+ pser_inf->xonoff |= SERIAL_XON_HANDSHAKE;
+
+ if (ptermios->c_iflag & IXOFF)
+ pser_inf->xonoff |= SERIAL_XOFF_HANDSHAKE;
+
+ pser_inf->chars[SERIAL_CHAR_XON] = ptermios->c_cc[VSTART];
+ pser_inf->chars[SERIAL_CHAR_XOFF] = ptermios->c_cc[VSTOP];
+ pser_inf->chars[SERIAL_CHAR_EOF] = ptermios->c_cc[VEOF];
+ pser_inf->chars[SERIAL_CHAR_BREAK] = ptermios->c_cc[VINTR];
+ pser_inf->chars[SERIAL_CHAR_ERROR] = ptermios->c_cc[VKILL];
+
+ return True;
+}
+
+static void
+set_termios(SERIAL_DEVICE * pser_inf, NTHANDLE serial_fd)
+{
+ speed_t speed;
+
+ struct termios *ptermios;
+
+ ptermios = pser_inf->ptermios;
+
+
+ switch (pser_inf->baud_rate)
+ {
+#ifdef B75
+ case 75:
+ speed = B75;
+ break;
+#endif
+#ifdef B110
+ case 110:
+ speed = B110;
+ break;
+#endif
+#ifdef B134
+ case 134:
+ speed = B134;
+ break;
+#endif
+#ifdef B150
+ case 150:
+ speed = B150;
+ break;
+#endif
+#ifdef B300
+ case 300:
+ speed = B300;
+ break;
+#endif
+#ifdef B600
+ case 600:
+ speed = B600;
+ break;
+#endif
+#ifdef B1200
+ case 1200:
+ speed = B1200;
+ break;
+#endif
+#ifdef B1800
+ case 1800:
+ speed = B1800;
+ break;
+#endif
+#ifdef B2400
+ case 2400:
+ speed = B2400;
+ break;
+#endif
+#ifdef B4800
+ case 4800:
+ speed = B4800;
+ break;
+#endif
+#ifdef B9600
+ case 9600:
+ speed = B9600;
+ break;
+#endif
+#ifdef B19200
+ case 19200:
+ speed = B19200;
+ break;
+#endif
+#ifdef B38400
+ case 38400:
+ speed = B38400;
+ break;
+#endif
+#ifdef B57600
+ case 57600:
+ speed = B57600;
+ break;
+#endif
+#ifdef B115200
+ case 115200:
+ speed = B115200;
+ break;
+#endif
+#ifdef B230400
+ case 230400:
+ speed = B115200;
+ break;
+#endif
+#ifdef B460800
+ case 460800:
+ speed = B115200;
+ break;
+#endif
+ default:
+ speed = B9600;
+ break;
+ }
+
+#ifdef CBAUD
+ ptermios->c_cflag &= ~CBAUD;
+ ptermios->c_cflag |= speed;
+#else
+ /* on systems with separate ispeed and ospeed, we can remember the speed
+ in ispeed while changing DTR with ospeed */
+ cfsetispeed(pser_inf->ptermios, speed);
+ cfsetospeed(pser_inf->ptermios, pser_inf->dtr ? speed : 0);
+#endif
+
+ ptermios->c_cflag &= ~(CSTOPB | PARENB | PARODD | CSIZE | CRTSCTS);
+ switch (pser_inf->stop_bits)
+ {
+ case STOP_BITS_2:
+ ptermios->c_cflag |= CSTOPB;
+ break;
+ default:
+ ptermios->c_cflag &= ~CSTOPB;
+ break;
+ }
+
+ switch (pser_inf->parity)
+ {
+ case EVEN_PARITY:
+ ptermios->c_cflag |= PARENB;
+ break;
+ case ODD_PARITY:
+ ptermios->c_cflag |= PARENB | PARODD;
+ break;
+ case NO_PARITY:
+ ptermios->c_cflag &= ~(PARENB | PARODD);
+ break;
+ }
+
+ switch (pser_inf->word_length)
+ {
+ case 5:
+ ptermios->c_cflag |= CS5;
+ break;
+ case 6:
+ ptermios->c_cflag |= CS6;
+ break;
+ case 7:
+ ptermios->c_cflag |= CS7;
+ break;
+ default:
+ ptermios->c_cflag |= CS8;
+ break;
+ }
+
+#if 0
+ if (pser_inf->rts)
+ ptermios->c_cflag |= CRTSCTS;
+ else
+ ptermios->c_cflag &= ~CRTSCTS;
+#endif
+
+ if (pser_inf->control & SERIAL_CTS_HANDSHAKE)
+ {
+ ptermios->c_cflag |= CRTSCTS;
+ }
+ else
+ {
+ ptermios->c_cflag &= ~CRTSCTS;
+ }
+
+
+ if (pser_inf->xonoff & SERIAL_XON_HANDSHAKE)
+ {
+ ptermios->c_iflag |= IXON | IMAXBEL;
+ }
+ if (pser_inf->xonoff & SERIAL_XOFF_HANDSHAKE)
+ {
+ ptermios->c_iflag |= IXOFF | IMAXBEL;
+ }
+
+ if ((pser_inf->xonoff & (SERIAL_XOFF_HANDSHAKE | SERIAL_XON_HANDSHAKE)) == 0)
+ {
+ ptermios->c_iflag &= ~IXON;
+ ptermios->c_iflag &= ~IXOFF;
+ }
+
+ ptermios->c_cc[VSTART] = pser_inf->chars[SERIAL_CHAR_XON];
+ ptermios->c_cc[VSTOP] = pser_inf->chars[SERIAL_CHAR_XOFF];
+ ptermios->c_cc[VEOF] = pser_inf->chars[SERIAL_CHAR_EOF];
+ ptermios->c_cc[VINTR] = pser_inf->chars[SERIAL_CHAR_BREAK];
+ ptermios->c_cc[VKILL] = pser_inf->chars[SERIAL_CHAR_ERROR];
+
+ tcsetattr(serial_fd, TCSANOW, ptermios);
+}
+
+/* Enumeration of devices from rdesktop.c */
+/* returns numer of units found and initialized. */
+/* optarg looks like ':com1=/dev/ttyS0' */
+/* when it arrives to this function. */
+/* :com1=/dev/ttyS0,com2=/dev/ttyS1 */
+int
+serial_enum_devices(RDPCLIENT * This, uint32 * id, char *optarg)
+{
+ SERIAL_DEVICE *pser_inf;
+
+ char *pos = optarg;
+ char *pos2;
+ int count = 0;
+
+ /* skip the first colon */
+ optarg++;
+ while ((pos = next_arg(optarg, ',')) && *id < RDPDR_MAX_DEVICES)
+ {
+ /* Init data structures for device */
+ pser_inf = (SERIAL_DEVICE *) xmalloc(sizeof(SERIAL_DEVICE));
+ pser_inf->ptermios = (struct termios *) xmalloc(sizeof(struct termios));
+ memset(pser_inf->ptermios, 0, sizeof(struct termios));
+ pser_inf->pold_termios = (struct termios *) xmalloc(sizeof(struct termios));
+ memset(pser_inf->pold_termios, 0, sizeof(struct termios));
+
+ 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("SERIAL %s to %s\n", This->rdpdr_device[*id].name,
+ This->rdpdr_device[*id].local_path);
+ /* set device type */
+ This->rdpdr_device[*id].device_type = DEVICE_TYPE_SERIAL;
+ This->rdpdr_device[*id].pdevice_data = (void *) pser_inf;
+ count++;
+ (*id)++;
+
+ optarg = pos;
+ }
+ return count;
+}
+
+static NTSTATUS
+serial_create(RDPCLIENT * This, uint32 device_id, uint32 access, uint32 share_mode, uint32 disposition,
+ uint32 flags_and_attributes, char *filename, NTHANDLE * handle)
+{
+ NTHANDLE serial_fd;
+ SERIAL_DEVICE *pser_inf;
+ struct termios *ptermios;
+
+ pser_inf = (SERIAL_DEVICE *) This->rdpdr_device[device_id].pdevice_data;
+ ptermios = pser_inf->ptermios;
+ serial_fd = open(This->rdpdr_device[device_id].local_path, O_RDWR | O_NOCTTY | O_NONBLOCK);
+
+ if (serial_fd == -1)
+ {
+ perror("open");
+ return STATUS_ACCESS_DENIED;
+ }
+
+ if (!get_termios(pser_inf, serial_fd))
+ {
+ printf("INFO: SERIAL %s access denied\n", This->rdpdr_device[device_id].name);
+ fflush(stdout);
+ return STATUS_ACCESS_DENIED;
+ }
+
+ /* Store handle for later use */
+ This->rdpdr_device[device_id].handle = serial_fd;
+
+ /* some sane information */
+ DEBUG_SERIAL(("INFO: SERIAL %s to %s\nINFO: speed %u baud, stop bits %u, parity %u, word length %u bits, dtr %u, rts %u\n", This->rdpdr_device[device_id].name, This->rdpdr_device[device_id].local_path, pser_inf->baud_rate, pser_inf->stop_bits, pser_inf->parity, pser_inf->word_length, pser_inf->dtr, pser_inf->rts));
+
+ pser_inf->ptermios->c_iflag &=
+ ~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IXON);
+ pser_inf->ptermios->c_oflag &= ~OPOST;
+ pser_inf->ptermios->c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN);
+ pser_inf->ptermios->c_cflag &= ~(CSIZE | PARENB);
+ pser_inf->ptermios->c_cflag |= CS8;
+
+ tcsetattr(serial_fd, TCSANOW, pser_inf->ptermios);
+
+ pser_inf->event_txempty = 0;
+ pser_inf->event_cts = 0;
+ pser_inf->event_dsr = 0;
+ pser_inf->event_rlsd = 0;
+ pser_inf->event_pending = 0;
+
+ *handle = serial_fd;
+
+ /* all read and writes should be non blocking */
+ if (fcntl(*handle, F_SETFL, O_NONBLOCK) == -1)
+ perror("fcntl");
+
+ pser_inf->read_total_timeout_constant = 5;
+
+ return STATUS_SUCCESS;
+}
+
+static NTSTATUS
+serial_close(RDPCLIENT * This, NTHANDLE handle)
+{
+ int i = get_device_index(This, handle);
+ if (i >= 0)
+ This->rdpdr_device[i].handle = 0;
+
+ rdpdr_abort_io(This, handle, 0, STATUS_TIMEOUT);
+ close(handle);
+ return STATUS_SUCCESS;
+}
+
+static NTSTATUS
+serial_read(RDPCLIENT * This, NTHANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result)
+{
+ long timeout;
+ SERIAL_DEVICE *pser_inf;
+ struct termios *ptermios;
+#ifdef WITH_DEBUG_SERIAL
+ int bytes_inqueue;
+#endif
+
+
+ timeout = 90;
+ pser_inf = get_serial_info(This, handle);
+ ptermios = pser_inf->ptermios;
+
+ /* Set timeouts kind of like the windows serial timeout parameters. Multiply timeout
+ with requested read size */
+ if (pser_inf->read_total_timeout_multiplier | pser_inf->read_total_timeout_constant)
+ {
+ timeout =
+ (pser_inf->read_total_timeout_multiplier * length +
+ pser_inf->read_total_timeout_constant + 99) / 100;
+ }
+ else if (pser_inf->read_interval_timeout)
+ {
+ timeout = (pser_inf->read_interval_timeout * length + 99) / 100;
+ }
+
+ /* If a timeout is set, do a blocking read, which times out after some time.
+ It will make rdesktop less responsive, but it will improve serial performance, by not
+ reading one character at a time. */
+ if (timeout == 0)
+ {
+ ptermios->c_cc[VTIME] = 0;
+ ptermios->c_cc[VMIN] = 0;
+ }
+ else
+ {
+ ptermios->c_cc[VTIME] = timeout;
+ ptermios->c_cc[VMIN] = 1;
+ }
+ tcsetattr(handle, TCSANOW, ptermios);
+
+#if defined(WITH_DEBUG_SERIAL) && defined(TIOCINQ)
+ ioctl(handle, TIOCINQ, &bytes_inqueue);
+ DEBUG_SERIAL(("serial_read inqueue: %d expected %d\n", bytes_inqueue, length));
+#endif
+
+ *result = read(handle, data, length);
+
+#ifdef WITH_DEBUG_SERIAL
+ DEBUG_SERIAL(("serial_read Bytes %d\n", *result));
+ if (*result > 0)
+ hexdump(data, *result);
+#endif
+
+ return STATUS_SUCCESS;
+}
+
+static NTSTATUS
+serial_write(RDPCLIENT * This, NTHANDLE handle, uint8 * data, uint32 length, uint32 offset, uint32 * result)
+{
+ SERIAL_DEVICE *pser_inf;
+
+ pser_inf = get_serial_info(This, handle);
+
+ *result = write(handle, data, length);
+
+ if (*result > 0)
+ pser_inf->event_txempty = *result;
+
+ DEBUG_SERIAL(("serial_write length %d, offset %d result %d\n", length, offset, *result));
+
+ return STATUS_SUCCESS;
+}
+
+static NTSTATUS
+serial_device_control(RDPCLIENT * This, NTHANDLE handle, uint32 request, STREAM in, STREAM out)
+{
+ int flush_mask, purge_mask;
+ uint32 result, modemstate;
+ uint8 immediate;
+ SERIAL_DEVICE *pser_inf;
+ struct termios *ptermios;
+
+ if ((request >> 16) != FILE_DEVICE_SERIAL_PORT)
+ return STATUS_INVALID_PARAMETER;
+
+ pser_inf = get_serial_info(This, handle);
+ ptermios = pser_inf->ptermios;
+
+ /* extract operation */
+ request >>= 2;
+ request &= 0xfff;
+
+ switch (request)
+ {
+ case SERIAL_SET_BAUD_RATE:
+ in_uint32_le(in, pser_inf->baud_rate);
+ set_termios(pser_inf, handle);
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_BAUD_RATE %d\n",
+ pser_inf->baud_rate));
+ break;
+ case SERIAL_GET_BAUD_RATE:
+ out_uint32_le(out, pser_inf->baud_rate);
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_GET_BAUD_RATE %d\n",
+ pser_inf->baud_rate));
+ break;
+ case SERIAL_SET_QUEUE_SIZE:
+ in_uint32_le(in, pser_inf->queue_in_size);
+ in_uint32_le(in, pser_inf->queue_out_size);
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_QUEUE_SIZE in %d out %d\n",
+ pser_inf->queue_in_size, pser_inf->queue_out_size));
+ break;
+ case SERIAL_SET_LINE_CONTROL:
+ in_uint8(in, pser_inf->stop_bits);
+ in_uint8(in, pser_inf->parity);
+ in_uint8(in, pser_inf->word_length);
+ set_termios(pser_inf, handle);
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_LINE_CONTROL stop %d parity %d word %d\n", pser_inf->stop_bits, pser_inf->parity, pser_inf->word_length));
+ break;
+ case SERIAL_GET_LINE_CONTROL:
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_GET_LINE_CONTROL\n"));
+ out_uint8(out, pser_inf->stop_bits);
+ out_uint8(out, pser_inf->parity);
+ out_uint8(out, pser_inf->word_length);
+ break;
+ case SERIAL_IMMEDIATE_CHAR:
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_IMMEDIATE_CHAR\n"));
+ in_uint8(in, immediate);
+ serial_write(This, handle, &immediate, 1, 0, &result);
+ break;
+ case SERIAL_CONFIG_SIZE:
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_CONFIG_SIZE\n"));
+ out_uint32_le(out, 0);
+ break;
+ case SERIAL_GET_CHARS:
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_GET_CHARS\n"));
+ out_uint8a(out, pser_inf->chars, 6);
+ break;
+ case SERIAL_SET_CHARS:
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_CHARS\n"));
+ in_uint8a(in, pser_inf->chars, 6);
+#ifdef WITH_DEBUG_SERIAL
+ hexdump(pser_inf->chars, 6);
+#endif
+ set_termios(pser_inf, handle);
+ break;
+ case SERIAL_GET_HANDFLOW:
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_GET_HANDFLOW\n"));
+ get_termios(pser_inf, handle);
+ out_uint32_le(out, pser_inf->control);
+ out_uint32_le(out, pser_inf->xonoff); /* Xon/Xoff */
+ out_uint32_le(out, pser_inf->onlimit);
+ out_uint32_le(out, pser_inf->offlimit);
+ break;
+ case SERIAL_SET_HANDFLOW:
+ in_uint32_le(in, pser_inf->control);
+ in_uint32_le(in, pser_inf->xonoff);
+ in_uint32_le(in, pser_inf->onlimit);
+ in_uint32_le(in, pser_inf->offlimit);
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_HANDFLOW %x %x %x %x\n",
+ pser_inf->control, pser_inf->xonoff, pser_inf->onlimit,
+ pser_inf->onlimit));
+ set_termios(pser_inf, handle);
+ break;
+ case SERIAL_SET_TIMEOUTS:
+ in_uint32(in, pser_inf->read_interval_timeout);
+ in_uint32(in, pser_inf->read_total_timeout_multiplier);
+ in_uint32(in, pser_inf->read_total_timeout_constant);
+ in_uint32(in, pser_inf->write_total_timeout_multiplier);
+ in_uint32(in, pser_inf->write_total_timeout_constant);
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_TIMEOUTS read timeout %d %d %d\n",
+ pser_inf->read_interval_timeout,
+ pser_inf->read_total_timeout_multiplier,
+ pser_inf->read_total_timeout_constant));
+ break;
+ case SERIAL_GET_TIMEOUTS:
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_GET_TIMEOUTS read timeout %d %d %d\n",
+ pser_inf->read_interval_timeout,
+ pser_inf->read_total_timeout_multiplier,
+ pser_inf->read_total_timeout_constant));
+
+ out_uint32(out, pser_inf->read_interval_timeout);
+ out_uint32(out, pser_inf->read_total_timeout_multiplier);
+ out_uint32(out, pser_inf->read_total_timeout_constant);
+ out_uint32(out, pser_inf->write_total_timeout_multiplier);
+ out_uint32(out, pser_inf->write_total_timeout_constant);
+ break;
+ case SERIAL_GET_WAIT_MASK:
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_GET_WAIT_MASK %X\n",
+ pser_inf->wait_mask));
+ out_uint32(out, pser_inf->wait_mask);
+ break;
+ case SERIAL_SET_WAIT_MASK:
+ in_uint32(in, pser_inf->wait_mask);
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_WAIT_MASK %X\n",
+ pser_inf->wait_mask));
+ break;
+ case SERIAL_SET_DTR:
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_DTR\n"));
+ ioctl(handle, TIOCMGET, &result);
+ result |= TIOCM_DTR;
+ ioctl(handle, TIOCMSET, &result);
+ pser_inf->dtr = 1;
+ break;
+ case SERIAL_CLR_DTR:
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_CLR_DTR\n"));
+ ioctl(handle, TIOCMGET, &result);
+ result &= ~TIOCM_DTR;
+ ioctl(handle, TIOCMSET, &result);
+ pser_inf->dtr = 0;
+ break;
+ case SERIAL_SET_RTS:
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_RTS\n"));
+ ioctl(handle, TIOCMGET, &result);
+ result |= TIOCM_RTS;
+ ioctl(handle, TIOCMSET, &result);
+ pser_inf->rts = 1;
+ break;
+ case SERIAL_CLR_RTS:
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_CLR_RTS\n"));
+ ioctl(handle, TIOCMGET, &result);
+ result &= ~TIOCM_RTS;
+ ioctl(handle, TIOCMSET, &result);
+ pser_inf->rts = 0;
+ break;
+ case SERIAL_GET_MODEMSTATUS:
+ modemstate = 0;
+#ifdef TIOCMGET
+ ioctl(handle, TIOCMGET, &result);
+ if (result & TIOCM_CTS)
+ modemstate |= SERIAL_MS_CTS;
+ if (result & TIOCM_DSR)
+ modemstate |= SERIAL_MS_DSR;
+ if (result & TIOCM_RNG)
+ modemstate |= SERIAL_MS_RNG;
+ if (result & TIOCM_CAR)
+ modemstate |= SERIAL_MS_CAR;
+ if (result & TIOCM_DTR)
+ modemstate |= SERIAL_MS_DTR;
+ if (result & TIOCM_RTS)
+ modemstate |= SERIAL_MS_RTS;
+#endif
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_GET_MODEMSTATUS %X\n", modemstate));
+ out_uint32_le(out, modemstate);
+ break;
+ case SERIAL_GET_COMMSTATUS:
+ out_uint32_le(out, 0); /* Errors */
+ out_uint32_le(out, 0); /* Hold reasons */
+
+ result = 0;
+#ifdef TIOCINQ
+ ioctl(handle, TIOCINQ, &result);
+#endif
+ out_uint32_le(out, result); /* Amount in in queue */
+ if (result)
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_GET_COMMSTATUS in queue %d\n",
+ result));
+
+ result = 0;
+#ifdef TIOCOUTQ
+ ioctl(handle, TIOCOUTQ, &result);
+#endif
+ out_uint32_le(out, result); /* Amount in out queue */
+ if (result)
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_GET_COMMSTATUS out queue %d\n", result));
+
+ out_uint8(out, 0); /* EofReceived */
+ out_uint8(out, 0); /* WaitForImmediate */
+ break;
+ case SERIAL_PURGE:
+ in_uint32(in, purge_mask);
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_PURGE purge_mask %X\n", purge_mask));
+ flush_mask = 0;
+ if (purge_mask & SERIAL_PURGE_TXCLEAR)
+ flush_mask |= TCOFLUSH;
+ if (purge_mask & SERIAL_PURGE_RXCLEAR)
+ flush_mask |= TCIFLUSH;
+ if (flush_mask != 0)
+ tcflush(handle, flush_mask);
+ if (purge_mask & SERIAL_PURGE_TXABORT)
+ rdpdr_abort_io(This, handle, 4, STATUS_CANCELLED);
+ if (purge_mask & SERIAL_PURGE_RXABORT)
+ rdpdr_abort_io(This, handle, 3, STATUS_CANCELLED);
+ break;
+ case SERIAL_WAIT_ON_MASK:
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_WAIT_ON_MASK %X\n",
+ pser_inf->wait_mask));
+ pser_inf->event_pending = 1;
+ if (serial_get_event(This, handle, &result))
+ {
+ DEBUG_SERIAL(("WAIT end event = %x\n", result));
+ out_uint32_le(out, result);
+ break;
+ }
+ return STATUS_PENDING;
+ break;
+ case SERIAL_SET_BREAK_ON:
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_BREAK_ON\n"));
+ tcsendbreak(handle, 0);
+ break;
+ case SERIAL_RESET_DEVICE:
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_RESET_DEVICE\n"));
+ break;
+ case SERIAL_SET_BREAK_OFF:
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_BREAK_OFF\n"));
+ break;
+ case SERIAL_SET_XOFF:
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_XOFF\n"));
+ break;
+ case SERIAL_SET_XON:
+ DEBUG_SERIAL(("serial_ioctl -> SERIAL_SET_XON\n"));
+ tcflow(handle, TCION);
+ break;
+ default:
+ unimpl("SERIAL IOCTL %d\n", request);
+ return STATUS_INVALID_PARAMETER;
+ }
+
+ return STATUS_SUCCESS;
+}
+
+BOOL
+serial_get_event(RDPCLIENT * This, NTHANDLE handle, uint32 * result)
+{
+ int index;
+ SERIAL_DEVICE *pser_inf;
+ int bytes;
+ BOOL ret = False;
+
+ *result = 0;
+ index = get_device_index(This, handle);
+ if (index < 0)
+ return False;
+
+#ifdef TIOCINQ
+ pser_inf = (SERIAL_DEVICE *) This->rdpdr_device[index].pdevice_data;
+
+ ioctl(handle, TIOCINQ, &bytes);
+
+ if (bytes > 0)
+ {
+ DEBUG_SERIAL(("serial_get_event Bytes %d\n", bytes));
+ if (bytes > pser_inf->event_rlsd)
+ {
+ pser_inf->event_rlsd = bytes;
+ if (pser_inf->wait_mask & SERIAL_EV_RLSD)
+ {
+ DEBUG_SERIAL(("Event -> SERIAL_EV_RLSD \n"));
+ *result |= SERIAL_EV_RLSD;
+ ret = True;
+ }
+
+ }
+
+ if ((bytes > 1) && (pser_inf->wait_mask & SERIAL_EV_RXFLAG))
+ {
+ DEBUG_SERIAL(("Event -> SERIAL_EV_RXFLAG Bytes %d\n", bytes));
+ *result |= SERIAL_EV_RXFLAG;
+ ret = True;
+ }
+ if ((pser_inf->wait_mask & SERIAL_EV_RXCHAR))
+ {
+ DEBUG_SERIAL(("Event -> SERIAL_EV_RXCHAR Bytes %d\n", bytes));
+ *result |= SERIAL_EV_RXCHAR;
+ ret = True;
+ }
+
+ }
+ else
+ {
+ pser_inf->event_rlsd = 0;
+ }
+#endif
+
+#ifdef TIOCOUTQ
+ ioctl(handle, TIOCOUTQ, &bytes);
+ if ((bytes == 0)
+ && (pser_inf->event_txempty > 0) && (pser_inf->wait_mask & SERIAL_EV_TXEMPTY))
+ {
+
+ DEBUG_SERIAL(("Event -> SERIAL_EV_TXEMPTY\n"));
+ *result |= SERIAL_EV_TXEMPTY;
+ ret = True;
+ }
+ pser_inf->event_txempty = bytes;
+#endif
+
+ ioctl(handle, TIOCMGET, &bytes);
+ if ((bytes & TIOCM_DSR) != pser_inf->event_dsr)
+ {
+ pser_inf->event_dsr = bytes & TIOCM_DSR;
+ if (pser_inf->wait_mask & SERIAL_EV_DSR)
+ {
+ DEBUG_SERIAL(("event -> SERIAL_EV_DSR %s\n",
+ (bytes & TIOCM_DSR) ? "ON" : "OFF"));
+ *result |= SERIAL_EV_DSR;
+ ret = True;
+ }
+ }
+
+ if ((bytes & TIOCM_CTS) != pser_inf->event_cts)
+ {
+ pser_inf->event_cts = bytes & TIOCM_CTS;
+ if (pser_inf->wait_mask & SERIAL_EV_CTS)
+ {
+ DEBUG_SERIAL((" EVENT-> SERIAL_EV_CTS %s\n",
+ (bytes & TIOCM_CTS) ? "ON" : "OFF"));
+ *result |= SERIAL_EV_CTS;
+ ret = True;
+ }
+ }
+
+ if (ret)
+ pser_inf->event_pending = 0;
+
+ return ret;
+}
+
+/* Read timeout for a given file descripter (device) when adding fd's to select() */
+BOOL
+serial_get_timeout(RDPCLIENT * This, NTHANDLE handle, uint32 length, uint32 * timeout, uint32 * itv_timeout)
+{
+ int index;
+ SERIAL_DEVICE *pser_inf;
+
+ index = get_device_index(This, handle);
+ if (index < 0)
+ return True;
+
+ if (This->rdpdr_device[index].device_type != DEVICE_TYPE_SERIAL)
+ {
+ return False;
+ }
+
+ pser_inf = (SERIAL_DEVICE *) This->rdpdr_device[index].pdevice_data;
+
+ *timeout =
+ pser_inf->read_total_timeout_multiplier * length +
+ pser_inf->read_total_timeout_constant;
+ *itv_timeout = pser_inf->read_interval_timeout;
+ return True;
+}
+
+DEVICE_FNS serial_fns = {
+ serial_create,
+ serial_close,
+ serial_read,
+ serial_write,
+ serial_device_control
+};