You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
394 lines
9.5 KiB
394 lines
9.5 KiB
/*
|
|
Copyright (C) 2002-2010 Karl J. Runge <runge@karlrunge.com>
|
|
All rights reserved.
|
|
|
|
This file is part of x11vnc.
|
|
|
|
x11vnc 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.
|
|
|
|
x11vnc 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 x11vnc; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA
|
|
or see <http://www.gnu.org/licenses/>.
|
|
|
|
In addition, as a special exception, Karl J. Runge
|
|
gives permission to link the code of its release of x11vnc with the
|
|
OpenSSL project's "OpenSSL" library (or with modified versions of it
|
|
that use the same license as the "OpenSSL" library), and distribute
|
|
the linked executables. You must obey the GNU General Public License
|
|
in all respects for all of the code used other than "OpenSSL". If you
|
|
modify this file, you may extend this exception to your version of the
|
|
file, but you are not obligated to do so. If you do not wish to do
|
|
so, delete this exception statement from your version.
|
|
*/
|
|
|
|
/* -- linuxfb.c -- */
|
|
|
|
#include "x11vnc.h"
|
|
#include "cleanup.h"
|
|
#include "scan.h"
|
|
#include "xinerama.h"
|
|
#include "screen.h"
|
|
#include "pointer.h"
|
|
#include "allowed_input_t.h"
|
|
#include "uinput.h"
|
|
#include "keyboard.h"
|
|
#include "macosx.h"
|
|
|
|
#if LIBVNCSERVER_HAVE_SYS_IOCTL_H
|
|
#include <sys/ioctl.h>
|
|
#endif
|
|
#if LIBVNCSERVER_HAVE_LINUX_FB_H
|
|
#include <linux/fb.h>
|
|
#endif
|
|
|
|
char *console_guess(char *str, int *fd);
|
|
void console_key_command(rfbBool down, rfbKeySym keysym, rfbClientPtr client);
|
|
void console_pointer_command(int mask, int x, int y, rfbClientPtr client);
|
|
|
|
|
|
void linux_dev_fb_msg(char *);
|
|
|
|
char *console_guess(char *str, int *fd) {
|
|
char *q, *in = strdup(str);
|
|
char *atparms = NULL, *file = NULL;
|
|
int do_input, have_uinput, tty = -1;
|
|
|
|
#ifdef MACOSX
|
|
return macosx_console_guess(str, fd);
|
|
#endif
|
|
|
|
|
|
if (strstr(in, "/dev/fb") == in) {
|
|
free(in);
|
|
in = (char *) malloc(strlen("console:") + strlen(str) + 1);
|
|
sprintf(in, "console:%s", str);
|
|
} else if (strstr(in, "fb") == in) {
|
|
free(in);
|
|
in = (char *) malloc(strlen("console:/dev/") + strlen(str) + 1);
|
|
sprintf(in, "console:/dev/%s", str);
|
|
} else if (strstr(in, "vt") == in) {
|
|
free(in);
|
|
in = (char *) malloc(strlen("console_") + strlen(str) + 1);
|
|
sprintf(in, "console_%s", str);
|
|
}
|
|
|
|
if (strstr(in, "console") != in) {
|
|
rfbLog("console_guess: unrecognized console/fb format: %s\n", str);
|
|
free(in);
|
|
return NULL;
|
|
}
|
|
|
|
q = strrchr(in, '@');
|
|
if (q) {
|
|
atparms = strdup(q+1);
|
|
*q = '\0';
|
|
}
|
|
q = strrchr(in, ':');
|
|
if (q) {
|
|
file = strdup(q+1);
|
|
*q = '\0';
|
|
}
|
|
if (! file || file[0] == '\0') {
|
|
file = strdup("/dev/fb");
|
|
}
|
|
if (strstr(file, "fb") == file) {
|
|
q = (char *) malloc(strlen("/dev/") + strlen(file) + 1);
|
|
sprintf(q, "/dev/%s", file);
|
|
free(file);
|
|
file = q;
|
|
}
|
|
if (!strcmp(file, "/dev/fb")) {
|
|
/* sometimes no sylink fb -> fb0 */
|
|
struct stat sbuf;
|
|
if (stat(file, &sbuf) != 0) {
|
|
free(file);
|
|
file = strdup("/dev/fb0");
|
|
}
|
|
}
|
|
|
|
do_input = 1;
|
|
if (pipeinput_str) {
|
|
have_uinput = 0;
|
|
do_input = 0;
|
|
} else {
|
|
have_uinput = check_uinput();
|
|
}
|
|
if (strstr(in, "console_vt")) {
|
|
have_uinput = 0;
|
|
}
|
|
|
|
if (!strcmp(in, "consolex")) {
|
|
do_input = 0;
|
|
} else if (strstr(in, "console_vtx")) {
|
|
have_uinput = 0;
|
|
do_input = 0;
|
|
} else if (!strcmp(in, "console")) {
|
|
/* current active VT: */
|
|
if (! have_uinput) {
|
|
tty = 0;
|
|
}
|
|
} else {
|
|
int n;
|
|
if (sscanf(in, "console%d", &n) == 1) {
|
|
tty = n;
|
|
have_uinput = 0;
|
|
} else if (sscanf(in, "console_vt%d", &n) == 1) {
|
|
tty = n;
|
|
have_uinput = 0;
|
|
}
|
|
}
|
|
if (strstr(in, "console_vt") == in) {
|
|
char tmp[100];
|
|
int fd, rows = 30, cols = 80, w, h;
|
|
sprintf(tmp, "/dev/vcsa%d", tty);
|
|
file = strdup(tmp);
|
|
fd = open(file, O_RDWR);
|
|
if (fd >= 0) {
|
|
read(fd, tmp, 4);
|
|
rows = (unsigned char) tmp[0];
|
|
cols = (unsigned char) tmp[1];
|
|
close(fd);
|
|
}
|
|
w = cols * 8;
|
|
h = rows * 16;
|
|
rfbLog("%s %dx%d\n", file, cols, rows);
|
|
if (getenv("RAWFB_VCSA_BPP")) {
|
|
/* 8bpp, etc */
|
|
int bt = atoi(getenv("RAWFB_VCSA_BPP"));
|
|
if (bt > 0 && bt <=32) {
|
|
sprintf(tmp, "%dx%dx%d", w, h, bt);
|
|
} else {
|
|
sprintf(tmp, "%dx%dx16", w, h);
|
|
}
|
|
} else {
|
|
/* default 16bpp */
|
|
sprintf(tmp, "%dx%dx16", w, h);
|
|
}
|
|
atparms = strdup(tmp);
|
|
}
|
|
rfbLog("console_guess: file is %s\n", file);
|
|
|
|
if (! atparms) {
|
|
#if LIBVNCSERVER_HAVE_LINUX_FB_H
|
|
#if LIBVNCSERVER_HAVE_SYS_IOCTL_H
|
|
struct fb_var_screeninfo var_info;
|
|
int d = open(file, O_RDWR);
|
|
if (d >= 0) {
|
|
int w, h, b;
|
|
unsigned long rm = 0, gm = 0, bm = 0;
|
|
if (ioctl(d, FBIOGET_VSCREENINFO, &var_info) != -1) {
|
|
w = (int) var_info.xres;
|
|
h = (int) var_info.yres;
|
|
b = (int) var_info.bits_per_pixel;
|
|
|
|
rm = (1 << var_info.red.length) - 1;
|
|
gm = (1 << var_info.green.length) - 1;
|
|
bm = (1 << var_info.blue.length) - 1;
|
|
rm = rm << var_info.red.offset;
|
|
gm = gm << var_info.green.offset;
|
|
bm = bm << var_info.blue.offset;
|
|
|
|
if (b == 8 && rm == 0xff && gm == 0xff && bm == 0xff) {
|
|
/* I don't believe it... */
|
|
rm = 0x07;
|
|
gm = 0x38;
|
|
bm = 0xc0;
|
|
}
|
|
if (b <= 8 && (rm == gm && gm == bm)) {
|
|
if (b == 4) {
|
|
rm = 0x07;
|
|
gm = 0x38;
|
|
bm = 0xc0;
|
|
}
|
|
}
|
|
|
|
/* @66666x66666x32:0xffffffff:... */
|
|
atparms = (char *) malloc(200);
|
|
sprintf(atparms, "%dx%dx%d:%lx/%lx/%lx",
|
|
w, h, b, rm, gm, bm);
|
|
*fd = d;
|
|
} else {
|
|
perror("ioctl");
|
|
close(d);
|
|
}
|
|
} else {
|
|
rfbLog("could not open: %s\n", file);
|
|
rfbLogPerror("open");
|
|
linux_dev_fb_msg(file);
|
|
close(d);
|
|
}
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
if (atparms) {
|
|
int gw, gh, gb;
|
|
if (sscanf(atparms, "%dx%dx%d", &gw, &gh, &gb) == 3) {
|
|
fb_x = gw;
|
|
fb_y = gh;
|
|
fb_b = gb;
|
|
}
|
|
}
|
|
|
|
if (do_input) {
|
|
if (tty >=0 && tty < 64) {
|
|
pipeinput_str = (char *) malloc(10);
|
|
sprintf(pipeinput_str, "CONSOLE%d", tty);
|
|
rfbLog("console_guess: file pipeinput %s\n",
|
|
pipeinput_str);
|
|
initialize_pipeinput();
|
|
} else if (have_uinput) {
|
|
pipeinput_str = strdup("UINPUT");
|
|
rfbLog("console_guess: file pipeinput %s\n",
|
|
pipeinput_str);
|
|
initialize_pipeinput();
|
|
}
|
|
}
|
|
|
|
if (! atparms) {
|
|
rfbLog("console_guess: could not get @ parameters.\n");
|
|
return NULL;
|
|
}
|
|
|
|
q = (char *) malloc(strlen("mmap:") + strlen(file) + 1 + strlen(atparms) + 1);
|
|
if (strstr(in, "console_vt")) {
|
|
sprintf(q, "snap:%s@%s", file, atparms);
|
|
} else {
|
|
sprintf(q, "map:%s@%s", file, atparms);
|
|
}
|
|
return q;
|
|
}
|
|
|
|
void console_key_command(rfbBool down, rfbKeySym keysym, rfbClientPtr client) {
|
|
static int control = 0, alt = 0;
|
|
allowed_input_t input;
|
|
|
|
if (debug_keyboard) fprintf(stderr, "console_key_command: %d %s\n", (int) keysym, down ? "down" : "up");
|
|
|
|
if (pipeinput_cons_fd < 0) {
|
|
return;
|
|
}
|
|
if (view_only) {
|
|
return;
|
|
}
|
|
get_allowed_input(client, &input);
|
|
if (! input.keystroke) {
|
|
return;
|
|
}
|
|
|
|
/* From LinuxVNC.c: */
|
|
if (keysym == XK_Control_L || keysym == XK_Control_R) {
|
|
if (! down) {
|
|
if (control > 0) {
|
|
control--;
|
|
}
|
|
} else {
|
|
control++;
|
|
}
|
|
return;
|
|
}
|
|
if (keysym == XK_Alt_L || keysym == XK_Alt_R) {
|
|
if (! down) {
|
|
if (alt > 0) {
|
|
alt--;
|
|
}
|
|
} else {
|
|
alt++;
|
|
}
|
|
return;
|
|
}
|
|
if (!down) {
|
|
return;
|
|
}
|
|
if (keysym == XK_Escape) {
|
|
keysym = 27;
|
|
}
|
|
if (control) {
|
|
/* shift down to the "control" zone */
|
|
if (keysym >= 'a' && keysym <= 'z') {
|
|
keysym -= ('a' - 1);
|
|
} else if (keysym >= 'A' && keysym <= 'Z') {
|
|
keysym -= ('A' - 1);
|
|
} else {
|
|
keysym = 0xffff;
|
|
}
|
|
} else if (alt) {
|
|
/* shift up to the upper half Latin zone */
|
|
if (keysym >= '!' && keysym <= '~') {
|
|
keysym += 128;
|
|
}
|
|
}
|
|
if (debug_keyboard) fprintf(stderr, "keysym now: %d\n", (int) keysym);
|
|
if (keysym == XK_Tab) {
|
|
keysym = '\t';
|
|
} else if (keysym == XK_Return || keysym == XK_KP_Enter) {
|
|
keysym = '\r';
|
|
} else if (keysym == XK_BackSpace) {
|
|
keysym = 8;
|
|
} else if (keysym == XK_Home || keysym == XK_KP_Home) {
|
|
keysym = 1;
|
|
} else if (keysym == XK_End || keysym == XK_KP_End) {
|
|
keysym = 5;
|
|
} else if (keysym == XK_Up || keysym == XK_KP_Up) {
|
|
keysym = 16;
|
|
} else if (keysym == XK_Down || keysym == XK_KP_Down) {
|
|
keysym = 14;
|
|
} else if (keysym == XK_Right || keysym == XK_KP_Right) {
|
|
keysym = 6;
|
|
} else if (keysym == XK_Next || keysym == XK_KP_Next) {
|
|
keysym = 6;
|
|
} else if (keysym == XK_Left || keysym == XK_KP_Left) {
|
|
keysym = 2;
|
|
} else if (keysym == XK_Prior || keysym == XK_KP_Prior) {
|
|
keysym = 2;
|
|
} else {
|
|
if (keysym >= XK_KP_Multiply && keysym <= XK_KP_Equal) {
|
|
keysym -= 0xFF80;
|
|
}
|
|
}
|
|
#if LIBVNCSERVER_HAVE_SYS_IOCTL_H && defined(TIOCSTI)
|
|
if (keysym < 0x100) {
|
|
if (ioctl(pipeinput_cons_fd, TIOCSTI, &keysym) != -1) {
|
|
return;
|
|
}
|
|
perror("ioctl");
|
|
close(pipeinput_cons_fd);
|
|
pipeinput_cons_fd = -1;
|
|
if (! pipeinput_cons_dev) {
|
|
return;
|
|
}
|
|
pipeinput_cons_fd = open(pipeinput_cons_dev, O_WRONLY);
|
|
if (pipeinput_cons_fd < 0) {
|
|
rfbLog("pipeinput: could not reopen %s\n",
|
|
pipeinput_cons_dev);
|
|
perror("open");
|
|
return;
|
|
}
|
|
if (ioctl(pipeinput_cons_fd, TIOCSTI, &keysym) == -1) {
|
|
perror("ioctl");
|
|
close(pipeinput_cons_fd);
|
|
pipeinput_cons_fd = -1;
|
|
rfbLog("pipeinput: could not reopen %s\n",
|
|
pipeinput_cons_dev);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (client) {}
|
|
}
|
|
|
|
void console_pointer_command(int mask, int x, int y, rfbClientPtr client) {
|
|
/* do not forget viewonly perms */
|
|
if (mask || x || y || client) {}
|
|
}
|
|
|