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290 lines
6.6 KiB
290 lines
6.6 KiB
/* -- linuxfb.c -- */
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#include "x11vnc.h"
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#include "cleanup.h"
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#include "scan.h"
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#include "xinerama.h"
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#include "screen.h"
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#include "pointer.h"
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#include "allowed_input_t.h"
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#if LIBVNCSERVER_HAVE_SYS_IOCTL_H
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#include <sys/ioctl.h>
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#endif
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#if LIBVNCSERVER_HAVE_LINUX_FB_H
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#include <linux/fb.h>
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#endif
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char *console_guess(char *str, int *fd);
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void console_key_command(rfbBool down, rfbKeySym keysym, rfbClientPtr client);
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void console_pointer_command(int mask, int x, int y, rfbClientPtr client);
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char *console_guess(char *str, int *fd) {
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char *q, *in = strdup(str);
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char *atparms = NULL, *file = NULL;
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int do_input, have_uinput, tty = -1;
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if (strstr(in, "/dev/fb") == in) {
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free(in);
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in = (char *) malloc(strlen("cons:") + strlen(str) + 1);
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sprintf(in, "cons:%s", str);
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} else if (strstr(in, "fb") == in) {
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free(in);
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in = (char *) malloc(strlen("cons:/dev/") + strlen(str) + 1);
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sprintf(in, "cons:/dev/%s", str);
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}
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if (strstr(in, "cons") != in) {
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rfbLog("console_guess: unrecognized console/fb format: %s\n", str);
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free(in);
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return NULL;
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}
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q = strrchr(in, '@');
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if (q) {
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atparms = strdup(q+1);
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*q = '\0';
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}
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q = strrchr(in, ':');
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if (q) {
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file = strdup(q+1);
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*q = '\0';
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}
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if (! file || file[0] == '\0') {
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file = strdup("/dev/fb");
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}
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if (strstr(file, "fb") == file) {
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q = (char *) malloc(strlen("/dev/") + strlen(file) + 1);
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sprintf(q, "/dev/%s", file);
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free(file);
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file = q;
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}
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if (!strcmp(file, "/dev/fb")) {
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/* sometimes no sylink fb -> fb0 */
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struct stat sbuf;
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if (stat(file, &sbuf) != 0) {
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free(file);
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file = strdup("/dev/fb0");
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}
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}
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rfbLog("console_guess: file is %s\n", file);
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do_input = 1;
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if (pipeinput_str) {
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have_uinput = 0;
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do_input = 0;
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} else {
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have_uinput = check_uinput();
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}
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if (!strcmp(in, "consx") || !strcmp(in, "consolex")) {
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do_input = 0;
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} else if (!strcmp(in, "cons") || !strcmp(in, "console")) {
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/* current active VT: */
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if (! have_uinput) {
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tty = 0;
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}
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} else {
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int n;
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if (sscanf(in, "cons%d", &n) == 1) {
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tty = n;
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have_uinput = 0;
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} else if (sscanf(in, "console%d", &n) != 1) {
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tty = n;
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have_uinput = 0;
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}
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}
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if (do_input) {
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if (tty >=0 && tty < 64) {
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pipeinput_str = (char *) malloc(10);
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sprintf(pipeinput_str, "CONS%d", tty);
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rfbLog("console_guess: file pipeinput %s\n",
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pipeinput_str);
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initialize_pipeinput();
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} else if (have_uinput) {
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pipeinput_str = strdup("UINPUT");
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rfbLog("console_guess: file pipeinput %s\n",
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pipeinput_str);
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initialize_pipeinput();
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}
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}
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if (! atparms) {
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#if LIBVNCSERVER_HAVE_LINUX_FB_H
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#if LIBVNCSERVER_HAVE_SYS_IOCTL_H
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struct fb_var_screeninfo var_info;
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int d = open(file, O_RDWR);
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if (d >= 0) {
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int w, h, b;
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unsigned long rm = 0, gm = 0, bm = 0;
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if (ioctl(d, FBIOGET_VSCREENINFO, &var_info) != -1) {
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w = (int) var_info.xres;
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h = (int) var_info.yres;
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b = (int) var_info.bits_per_pixel;
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rm = (1 << var_info.red.length) - 1;
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gm = (1 << var_info.green.length) - 1;
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bm = (1 << var_info.blue.length) - 1;
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rm = rm << var_info.red.offset;
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gm = gm << var_info.green.offset;
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bm = bm << var_info.blue.offset;
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if (b == 8 && rm == 0xff && gm == 0xff && bm == 0xff) {
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/* I don't believe it... */
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rm = 0x07;
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gm = 0x38;
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bm = 0xc0;
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}
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/* @66666x66666x32:0xffffffff:... */
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atparms = (char *) malloc(200);
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sprintf(atparms, "%dx%dx%d:%lx/%lx/%lx",
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w, h, b, rm, gm, bm);
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*fd = d;
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} else {
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perror("ioctl");
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close(d);
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}
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} else {
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rfbLog("could not open: %s\n", file);
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perror("open");
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close(d);
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}
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#endif
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#endif
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}
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if (! atparms) {
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rfbLog("console_guess: could not get @ parameters.\n");
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return NULL;
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}
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q = (char *) malloc(strlen("map:") + strlen(file) + 1 + strlen(atparms) + 1);
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sprintf(q, "map:%s@%s", file, atparms);
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return q;
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}
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void console_key_command(rfbBool down, rfbKeySym keysym, rfbClientPtr client) {
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static int control = 0, alt = 0;
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allowed_input_t input;
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if (debug_keyboard) fprintf(stderr, "console_key_command: %d %s\n", (int) keysym, down ? "down" : "up");
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if (pipeinput_cons_fd < 0) {
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return;
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}
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if (view_only) {
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return;
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}
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get_allowed_input(client, &input);
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if (! input.keystroke) {
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return;
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}
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/* From LinuxVNC.c: */
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if (keysym == XK_Control_L || keysym == XK_Control_R) {
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if (! down) {
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if (control > 0) {
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control--;
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}
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} else {
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control++;
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}
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return;
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}
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if (keysym == XK_Alt_L || keysym == XK_Alt_R) {
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if (! down) {
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if (alt > 0) {
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alt--;
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}
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} else {
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alt++;
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}
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return;
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}
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if (!down) {
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return;
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}
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if (keysym == XK_Escape) {
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keysym = 27;
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}
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if (control) {
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/* shift down to the "control" zone */
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if (keysym >= 'a' && keysym <= 'z') {
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keysym -= ('a' - 1);
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} else if (keysym >= 'A' && keysym <= 'Z') {
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keysym -= ('A' - 1);
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} else {
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keysym = 0xffff;
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}
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} else if (alt) {
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/* shift up to the upper half Latin zone */
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if (keysym >= '!' && keysym <= '~') {
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keysym += 128;
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}
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}
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if (debug_keyboard) fprintf(stderr, "keysym now: %d\n", (int) keysym);
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if (keysym == XK_Tab) {
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keysym = '\t';
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} else if (keysym == XK_Return || keysym == XK_KP_Enter) {
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keysym = '\r';
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} else if (keysym == XK_BackSpace) {
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keysym = 8;
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} else if (keysym == XK_Home || keysym == XK_KP_Home) {
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keysym = 1;
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} else if (keysym == XK_End || keysym == XK_KP_End) {
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keysym = 5;
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} else if (keysym == XK_Up || keysym == XK_KP_Up) {
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keysym = 16;
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} else if (keysym == XK_Down || keysym == XK_KP_Down) {
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keysym = 14;
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} else if (keysym == XK_Right || keysym == XK_KP_Right) {
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keysym = 6;
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} else if (keysym == XK_Next || keysym == XK_KP_Next) {
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keysym = 6;
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} else if (keysym == XK_Left || keysym == XK_KP_Left) {
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keysym = 2;
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} else if (keysym == XK_Prior || keysym == XK_KP_Prior) {
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keysym = 2;
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} else {
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if (keysym >= XK_KP_Multiply && keysym <= XK_KP_Equal) {
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keysym -= 0xFF80;
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}
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}
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#if LIBVNCSERVER_HAVE_SYS_IOCTL_H && defined(TIOCSTI)
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if (keysym < 0x100) {
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if (ioctl(pipeinput_cons_fd, TIOCSTI, &keysym) != -1) {
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return;
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}
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perror("ioctl");
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close(pipeinput_cons_fd);
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pipeinput_cons_fd = -1;
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if (! pipeinput_cons_dev) {
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return;
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}
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pipeinput_cons_fd = open(pipeinput_cons_dev, O_WRONLY);
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if (pipeinput_cons_fd < 0) {
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rfbLog("pipeinput: could not reopen %s\n",
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pipeinput_cons_dev);
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perror("open");
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return;
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}
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if (ioctl(pipeinput_cons_fd, TIOCSTI, &keysym) == -1) {
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perror("ioctl");
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close(pipeinput_cons_fd);
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pipeinput_cons_fd = -1;
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rfbLog("pipeinput: could not reopen %s\n",
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pipeinput_cons_dev);
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}
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}
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#endif
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if (client) {}
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}
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void console_pointer_command(int mask, int x, int y, rfbClientPtr client) {
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/* do not forget viewonly perms */
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if (mask || x || y || client) {}
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}
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