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/* $OpenBSD: wsmoused.c,v 1.36 2015/10/26 09:58:18 deraadt Exp $ */ |
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/* |
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* Copyright (c) 2001 Jean-Baptiste Marchand, Julien Montagne and Jerome Verdon |
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* |
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* Copyright (c) 1998 by Kazutaka Yokota |
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* |
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* Copyright (c) 1995 Michael Smith |
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* |
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* Copyright (c) 1993 by David Dawes <dawes@xfree86.org> |
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* |
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* Copyright (c) 1990,91 by Thomas Roell, Dinkelscherben, Germany. |
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* |
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* All rights reserved. |
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* |
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* Most of this code was taken from the FreeBSD moused daemon, written by |
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* Michael Smith. The FreeBSD moused daemon already contained code from the |
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* Xfree Project, written by David Dawes and Thomas Roell and Kazutaka Yokota. |
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* |
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* Adaptation to OpenBSD was done by Jean-Baptiste Marchand, Julien Montagne |
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* and Jerome Verdon. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. All advertising materials mentioning features or use of this software |
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* must display the following acknowledgement: |
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* This product includes software developed by |
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* David Dawes, Jean-Baptiste Marchand, Julien Montagne, Thomas Roell, |
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* Michael Smith, Jerome Verdon and Kazutaka Yokota. |
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* 4. The name authors may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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* |
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*/ |
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#include <sys/ioctl.h> |
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#include <sys/stat.h> |
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#include <sys/types.h> |
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#include <sys/time.h> |
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#include <sys/tty.h> |
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#include <dev/wscons/wsconsio.h> |
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#include <ctype.h> |
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#include <err.h> |
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#include <errno.h> |
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#include <fcntl.h> |
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#include <unistd.h> |
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#include <signal.h> |
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#include <poll.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <stdlib.h> |
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#include <syslog.h> |
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#include "mouse_protocols.h" |
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#include "wsmoused.h" |
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#define DEFAULT_TTY "/dev/ttyCcfg" |
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extern char *__progname; |
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extern char *mouse_names[]; |
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int debug = 0; |
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int background = FALSE; |
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int nodaemon = FALSE; |
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int identify = FALSE; |
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mouse_t mouse = { |
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.flags = 0, |
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.portname = NULL, |
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.ttyname = NULL, |
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.proto = P_UNKNOWN, |
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.rate = MOUSE_RATE_UNKNOWN, |
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.resolution = MOUSE_RES_UNKNOWN, |
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.mfd = -1, |
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.clickthreshold = 500, /* 0.5 sec */ |
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}; |
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/* identify the type of a wsmouse supported mouse */ |
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void |
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wsmouse_identify(void) |
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{ |
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unsigned int type; |
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if (mouse.mfd != -1) { |
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if (ioctl(mouse.mfd, WSMOUSEIO_GTYPE, &type) == -1) |
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err(1, "can't detect mouse type"); |
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printf("wsmouse supported mouse: "); |
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switch (type) { |
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case WSMOUSE_TYPE_VSXXX: |
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printf("DEC serial\n"); |
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break; |
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case WSMOUSE_TYPE_PS2: |
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printf("PS/2 compatible\n"); |
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break; |
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case WSMOUSE_TYPE_USB: |
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printf("USB\n"); |
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break; |
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case WSMOUSE_TYPE_LMS: |
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printf("Logitech busmouse\n"); |
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break; |
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case WSMOUSE_TYPE_MMS: |
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printf("Microsoft InPort mouse\n"); |
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break; |
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case WSMOUSE_TYPE_TPANEL: |
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printf("Generic Touch Panel\n"); |
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break; |
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case WSMOUSE_TYPE_NEXT: |
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printf("NeXT\n"); |
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break; |
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case WSMOUSE_TYPE_ARCHIMEDES: |
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printf("Archimedes\n"); |
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break; |
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case WSMOUSE_TYPE_ADB: |
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printf("ADB\n"); |
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break; |
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case WSMOUSE_TYPE_HIL: |
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printf("HP-HIL\n"); |
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break; |
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case WSMOUSE_TYPE_LUNA: |
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printf("Omron Luna\n"); |
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break; |
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case WSMOUSE_TYPE_DOMAIN: |
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printf("Apollo Domain\n"); |
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break; |
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case WSMOUSE_TYPE_SUN: |
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printf("Sun\n"); |
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break; |
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default: |
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printf("Unknown\n"); |
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break; |
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} |
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} else |
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warnx("unable to open %s", mouse.portname); |
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} |
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/* wsmouse_init : init a wsmouse compatible mouse */ |
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void |
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wsmouse_init(void) |
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{ |
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unsigned int res = WSMOUSE_RES_MIN; |
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unsigned int rate = WSMOUSE_RATE_DEFAULT; |
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ioctl(mouse.mfd, WSMOUSEIO_SRES, &res); |
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ioctl(mouse.mfd, WSMOUSEIO_SRATE, &rate); |
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} |
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/* |
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* Buttons remapping |
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*/ |
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/* physical to logical button mapping */ |
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static int p2l[MOUSE_MAXBUTTON] = { |
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MOUSE_BUTTON1, MOUSE_BUTTON2, MOUSE_BUTTON3, MOUSE_BUTTON4, |
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MOUSE_BUTTON5, MOUSE_BUTTON6, MOUSE_BUTTON7, MOUSE_BUTTON8, |
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}; |
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static char * |
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skipspace(char *s) |
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{ |
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while (isspace((unsigned char)*s)) |
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++s; |
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return s; |
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} |
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/* mouse_installmap : install a map between physical and logical buttons */ |
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static int |
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mouse_installmap(char *arg) |
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{ |
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int pbutton; |
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int lbutton; |
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char *s; |
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while (*arg) { |
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arg = skipspace(arg); |
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s = arg; |
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while (isdigit((unsigned char)*arg)) |
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++arg; |
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arg = skipspace(arg); |
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if ((arg <= s) || (*arg != '=')) |
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return FALSE; |
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lbutton = atoi(s); |
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arg = skipspace(++arg); |
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s = arg; |
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while (isdigit((unsigned char)*arg)) |
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++arg; |
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if (arg <= s || (!isspace((unsigned char)*arg) && *arg != '\0')) |
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return FALSE; |
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pbutton = atoi(s); |
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if (lbutton <= 0 || lbutton > MOUSE_MAXBUTTON) |
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return FALSE; |
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if (pbutton <= 0 || pbutton > MOUSE_MAXBUTTON) |
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return FALSE; |
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p2l[pbutton - 1] = lbutton - 1; |
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} |
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return TRUE; |
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} |
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/* terminate signals handler */ |
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static void |
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terminate(int sig) |
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{ |
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struct wscons_event event; |
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unsigned int res; |
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if (mouse.mfd != -1) { |
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event.type = WSCONS_EVENT_WSMOUSED_OFF; |
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ioctl(mouse.cfd, WSDISPLAYIO_WSMOUSED, &event); |
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res = WSMOUSE_RES_DEFAULT; |
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ioctl(mouse.mfd, WSMOUSEIO_SRES, &res); |
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close(mouse.mfd); |
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mouse.mfd = -1; |
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} |
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_exit(0); |
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} |
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/* buttons status (for multiple click detection) */ |
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static struct { |
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int count; /* 0: up, 1: single click, 2: double click,... */ |
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struct timeval tv; /* timestamp on the last `up' event */ |
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} buttonstate[MOUSE_MAXBUTTON]; |
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/* |
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* handle button click |
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* Note that an ioctl is sent for each button |
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*/ |
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static void |
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mouse_click(struct wscons_event *event) |
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{ |
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struct timeval max_date; |
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struct timeval now; |
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struct timeval delay; |
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int i; /* button number */ |
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i = event->value = p2l[event->value]; |
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gettimeofday(&now, NULL); |
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delay.tv_sec = mouse.clickthreshold / 1000; |
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delay.tv_usec = (mouse.clickthreshold % 1000) * 1000; |
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timersub(&now, &delay, &max_date); |
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if (event->type == WSCONS_EVENT_MOUSE_DOWN) { |
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if (timercmp(&max_date, &buttonstate[i].tv, >)) { |
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timerclear(&buttonstate[i].tv); |
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buttonstate[i].count = 1; |
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} else { |
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buttonstate[i].count++; |
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} |
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} else { |
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/* button is up */ |
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buttonstate[i].tv.tv_sec = now.tv_sec; |
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buttonstate[i].tv.tv_usec = now.tv_usec; |
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} |
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/* |
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* we use the time field of wscons_event structure to put the number |
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* of multiple clicks |
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*/ |
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if (event->type == WSCONS_EVENT_MOUSE_DOWN) { |
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event->time.tv_sec = buttonstate[i].count; |
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event->time.tv_nsec = 0; |
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} else { |
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/* button is up */ |
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event->time.tv_sec = 0; |
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event->time.tv_nsec = 0; |
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} |
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ioctl(mouse.cfd, WSDISPLAYIO_WSMOUSED, event); |
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} |
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/* workaround for cursor speed on serial mice */ |
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static void |
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normalize_event(struct wscons_event *event) |
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{ |
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int dx, dy; |
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int two_power = 1; |
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/* 2: normal speed, 3: slower cursor, 1: faster cursor */ |
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#define NORMALIZE_DIVISOR 3 |
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switch (event->type) { |
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case WSCONS_EVENT_MOUSE_DELTA_X: |
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dx = abs(event->value); |
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while (dx > 2) { |
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two_power++; |
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dx = dx / 2; |
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} |
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event->value = event->value / (NORMALIZE_DIVISOR * two_power); |
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break; |
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case WSCONS_EVENT_MOUSE_DELTA_Y: |
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two_power = 1; |
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dy = abs(event->value); |
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while (dy > 2) { |
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two_power++; |
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dy = dy / 2; |
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} |
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event->value = event->value / (NORMALIZE_DIVISOR * two_power); |
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break; |
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} |
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} |
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/* send a wscons_event to the kernel */ |
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static void |
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treat_event(struct wscons_event *event) |
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{ |
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if (IS_MOTION_EVENT(event->type)) { |
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ioctl(mouse.cfd, WSDISPLAYIO_WSMOUSED, event); |
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} else if (IS_BUTTON_EVENT(event->type) && |
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(uint)event->value < MOUSE_MAXBUTTON) { |
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mouse_click(event); |
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} |
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} |
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333 |
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/* split a full mouse event into multiples wscons events */ |
334 |
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static void |
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split_event(mousestatus_t *act) |
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{ |
337 |
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struct wscons_event event; |
338 |
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int button, i, mask; |
339 |
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340 |
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if (act->dx != 0) { |
341 |
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event.type = WSCONS_EVENT_MOUSE_DELTA_X; |
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event.value = act->dx; |
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normalize_event(&event); |
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treat_event(&event); |
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} |
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if (act->dy != 0) { |
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event.type = WSCONS_EVENT_MOUSE_DELTA_Y; |
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event.value = 0 - act->dy; |
349 |
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normalize_event(&event); |
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treat_event(&event); |
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} |
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if (act->dz != 0) { |
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event.type = WSCONS_EVENT_MOUSE_DELTA_Z; |
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event.value = act->dz; |
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treat_event(&event); |
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} |
357 |
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if (act->dw != 0) { |
358 |
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event.type = WSCONS_EVENT_MOUSE_DELTA_W; |
359 |
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event.value = act->dw; |
360 |
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treat_event(&event); |
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} |
362 |
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363 |
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/* buttons state */ |
364 |
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mask = act->flags & MOUSE_BUTTONS; |
365 |
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if (mask == 0) |
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/* no button modified */ |
367 |
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return; |
368 |
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369 |
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button = MOUSE_BUTTON1DOWN; |
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for (i = 0; (i < MOUSE_MAXBUTTON) && (mask != 0); i++) { |
371 |
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if (mask & 1) { |
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event.type = (act->button & button) ? |
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WSCONS_EVENT_MOUSE_DOWN : WSCONS_EVENT_MOUSE_UP; |
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event.value = i; |
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treat_event(&event); |
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} |
377 |
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button <<= 1; |
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mask >>= 1; |
379 |
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} |
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} |
381 |
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|
382 |
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/* main function */ |
383 |
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static void |
384 |
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wsmoused(void) |
385 |
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{ |
386 |
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mousestatus_t action; |
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struct wscons_event event; /* original wscons_event */ |
388 |
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struct pollfd pfd[1]; |
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int res; |
390 |
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u_char b; |
391 |
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|
392 |
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/* notify kernel the start of wsmoused */ |
393 |
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event.type = WSCONS_EVENT_WSMOUSED_ON; |
394 |
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res = ioctl(mouse.cfd, WSDISPLAYIO_WSMOUSED, &event); |
395 |
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if (res != 0) { |
396 |
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/* the display driver has no getchar() method */ |
397 |
|
|
logerr(1, "this display driver has no support for wsmoused(8)"); |
398 |
|
|
} |
399 |
|
|
|
400 |
|
|
bzero(&action, sizeof(action)); |
401 |
|
|
bzero(&event, sizeof(event)); |
402 |
|
|
bzero(&buttonstate, sizeof(buttonstate)); |
403 |
|
|
|
404 |
|
|
pfd[0].fd = mouse.mfd; |
405 |
|
|
pfd[0].events = POLLIN; |
406 |
|
|
|
407 |
|
|
/* process mouse data */ |
408 |
|
|
for (;;) { |
409 |
|
|
if (poll(pfd, 1, INFTIM) <= 0) |
410 |
|
|
logwarn("failed to read from mouse"); |
411 |
|
|
|
412 |
|
|
if (mouse.proto == P_WSCONS) { |
413 |
|
|
/* wsmouse supported mouse */ |
414 |
|
|
read(mouse.mfd, &event, sizeof(event)); |
415 |
|
|
treat_event(&event); |
416 |
|
|
} else { |
417 |
|
|
/* serial mouse (not supported by wsmouse) */ |
418 |
|
|
res = read(mouse.mfd, &b, 1); |
419 |
|
|
|
420 |
|
|
/* if we have a full mouse event */ |
421 |
|
|
if (mouse_protocol(b, &action)) |
422 |
|
|
/* split it as multiple wscons_event */ |
423 |
|
|
split_event(&action); |
424 |
|
|
} |
425 |
|
|
} |
426 |
|
|
} |
427 |
|
|
|
428 |
|
|
|
429 |
|
|
static void |
430 |
|
|
usage(void) |
431 |
|
|
{ |
432 |
|
|
fprintf(stderr, "usage: %s [-2dfi] [-C thresh] [-D device]" |
433 |
|
|
" [-M N=M]\n\t[-p device] [-t type]\n", __progname); |
434 |
|
|
exit(1); |
435 |
|
|
} |
436 |
|
|
|
437 |
|
|
int |
438 |
|
|
main(int argc, char **argv) |
439 |
|
|
{ |
440 |
|
|
unsigned int type; |
441 |
|
|
int opt; |
442 |
|
|
int i; |
443 |
|
|
|
444 |
|
|
#define GETOPT_STRING "2dfhip:t:C:D:M:" |
445 |
|
|
while ((opt = (getopt(argc, argv, GETOPT_STRING))) != -1) { |
446 |
|
|
switch (opt) { |
447 |
|
|
case '2': |
448 |
|
|
/* on two button mice, right button pastes */ |
449 |
|
|
p2l[MOUSE_BUTTON3] = MOUSE_BUTTON2; |
450 |
|
|
break; |
451 |
|
|
case 'd': |
452 |
|
|
++debug; |
453 |
|
|
break; |
454 |
|
|
case 'f': |
455 |
|
|
nodaemon = TRUE; |
456 |
|
|
break; |
457 |
|
|
case 'h': |
458 |
|
|
usage(); |
459 |
|
|
break; |
460 |
|
|
case 'i': |
461 |
|
|
identify = TRUE; |
462 |
|
|
nodaemon = TRUE; |
463 |
|
|
break; |
464 |
|
|
case 'p': |
465 |
|
|
if ((mouse.portname = strdup(optarg)) == NULL) |
466 |
|
|
logerr(1, "out of memory"); |
467 |
|
|
break; |
468 |
|
|
case 't': |
469 |
|
|
if (strcmp(optarg, "auto") == 0) { |
470 |
|
|
mouse.proto = P_UNKNOWN; |
471 |
|
|
mouse.flags &= ~NoPnP; |
472 |
|
|
break; |
473 |
|
|
} |
474 |
|
|
for (i = 0; mouse_names[i] != NULL; i++) |
475 |
|
|
if (strcmp(optarg,mouse_names[i]) == 0) { |
476 |
|
|
mouse.proto = i; |
477 |
|
|
mouse.flags |= NoPnP; |
478 |
|
|
break; |
479 |
|
|
} |
480 |
|
|
if (mouse_names[i] != NULL) |
481 |
|
|
break; |
482 |
|
|
warnx("no such mouse protocol `%s'", optarg); |
483 |
|
|
usage(); |
484 |
|
|
break; |
485 |
|
|
case 'C': |
486 |
|
|
#define MAX_CLICKTHRESHOLD 2000 /* max delay for double click */ |
487 |
|
|
mouse.clickthreshold = atoi(optarg); |
488 |
|
|
if (mouse.clickthreshold < 0 || |
489 |
|
|
mouse.clickthreshold > MAX_CLICKTHRESHOLD) { |
490 |
|
|
warnx("invalid threshold `%s': max value is %d", |
491 |
|
|
optarg, MAX_CLICKTHRESHOLD); |
492 |
|
|
usage(); |
493 |
|
|
} |
494 |
|
|
break; |
495 |
|
|
case 'D': |
496 |
|
|
if ((mouse.ttyname = strdup(optarg)) == NULL) |
497 |
|
|
logerr(1, "out of memory"); |
498 |
|
|
break; |
499 |
|
|
case 'M': |
500 |
|
|
if (!mouse_installmap(optarg)) { |
501 |
|
|
warnx("invalid mapping `%s'", optarg); |
502 |
|
|
usage(); |
503 |
|
|
} |
504 |
|
|
break; |
505 |
|
|
default: |
506 |
|
|
usage(); |
507 |
|
|
} |
508 |
|
|
} |
509 |
|
|
|
510 |
|
|
/* |
511 |
|
|
* Use defaults if unspecified |
512 |
|
|
*/ |
513 |
|
|
if (mouse.portname == NULL) |
514 |
|
|
mouse.portname = WSMOUSE_DEV; |
515 |
|
|
if (mouse.ttyname == NULL) |
516 |
|
|
mouse.ttyname = DEFAULT_TTY; |
517 |
|
|
|
518 |
|
|
if (identify == FALSE) { |
519 |
|
|
if ((mouse.cfd = open(mouse.ttyname, O_RDWR, 0)) == -1) |
520 |
|
|
logerr(1, "cannot open %s", mouse.ttyname); |
521 |
|
|
} |
522 |
|
|
|
523 |
|
|
if ((mouse.mfd = open(mouse.portname, |
524 |
|
|
O_RDONLY | O_NONBLOCK, 0)) == -1) |
525 |
|
|
logerr(1, "unable to open %s", mouse.portname); |
526 |
|
|
|
527 |
|
|
/* |
528 |
|
|
* Find out whether the mouse device is a wsmouse device |
529 |
|
|
* or a serial device. |
530 |
|
|
*/ |
531 |
|
|
if (ioctl(mouse.mfd, WSMOUSEIO_GTYPE, &type) != -1) |
532 |
|
|
mouse.proto = P_WSCONS; |
533 |
|
|
else { |
534 |
|
|
if (mouse_identify() == P_UNKNOWN) { |
535 |
|
|
close(mouse.mfd); |
536 |
|
|
logerr(1, "cannot determine mouse type on %s", |
537 |
|
|
mouse.portname); |
538 |
|
|
} |
539 |
|
|
} |
540 |
|
|
|
541 |
|
|
if (identify == TRUE) { |
542 |
|
|
if (mouse.proto == P_WSCONS) |
543 |
|
|
wsmouse_identify(); |
544 |
|
|
else |
545 |
|
|
printf("serial mouse: %s type\n", |
546 |
|
|
mouse_name(mouse.proto)); |
547 |
|
|
exit(0); |
548 |
|
|
} |
549 |
|
|
|
550 |
|
|
signal(SIGINT, terminate); |
551 |
|
|
signal(SIGQUIT, terminate); |
552 |
|
|
signal(SIGTERM, terminate); |
553 |
|
|
|
554 |
|
|
if (mouse.proto == P_WSCONS) |
555 |
|
|
wsmouse_init(); |
556 |
|
|
else |
557 |
|
|
mouse_init(); |
558 |
|
|
|
559 |
|
|
if (!nodaemon) { |
560 |
|
|
openlog(__progname, LOG_PID, LOG_DAEMON); |
561 |
|
|
if (daemon(0, 0)) { |
562 |
|
|
logerr(1, "failed to become a daemon"); |
563 |
|
|
} else { |
564 |
|
|
background = TRUE; |
565 |
|
|
} |
566 |
|
|
} |
567 |
|
|
|
568 |
|
|
wsmoused(); |
569 |
|
|
exit(0); |
570 |
|
|
} |