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639 lines
14 KiB
639 lines
14 KiB
/* -- gui.c -- */
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#include "x11vnc.h"
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#include "xevents.h"
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#include "win_utils.h"
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#include "remote.h"
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#include "cleanup.h"
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#include "tkx11vnc.h"
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#define SYSTEM_TRAY_REQUEST_DOCK 0
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#define SYSTEM_TRAY_BEGIN_MESSAGE 1
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#define SYSTEM_TRAY_CANCEL_MESSAGE 2
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#define XEMBED_VERSION 0
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#define XEMBED_MAPPED (1 << 0)
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int icon_mode = 0; /* hack for -gui tray */
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char *icon_mode_file = NULL;
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FILE *icon_mode_fh = NULL;
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int icon_mode_socks[ICON_MODE_SOCKS];
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int tray_manager_ok = 0;
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Window tray_request = None;
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Window tray_window = None;
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int tray_unembed = 0;
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char *get_gui_code(void);
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int tray_embed(Window iconwin, int remove);
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void do_gui(char *opts, int sleep);
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static Window tweak_tk_window_id(Window win);
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static int tray_manager_running(Display *d, Window *manager);
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static void run_gui(char *gui_xdisplay, int connect_to_x11vnc, int start_x11vnc,
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int simple_gui, pid_t parent, char *gui_opts);
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char *get_gui_code(void) {
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return gui_code;
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}
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static Window tweak_tk_window_id(Window win) {
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char *name = NULL;
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Window parent, new;
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/* hack for tk, does not report outermost window */
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new = win;
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parent = parent_window(win, &name);
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if (parent && name != NULL) {
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lowercase(name);
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if (strstr(name, "wish") || strstr(name, "x11vnc")) {
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new = parent;
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rfbLog("tray_embed: using parent: %s\n", name);
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}
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}
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if (name != NULL) {
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XFree(name);
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}
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return new;
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}
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int tray_embed(Window iconwin, int remove) {
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XEvent ev;
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XErrorHandler old_handler;
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Window manager;
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Atom xembed_info;
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Atom tatom;
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XWindowAttributes attr;
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long info[2] = {XEMBED_VERSION, XEMBED_MAPPED};
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long data = 0;
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if (remove) {
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if (!valid_window(iconwin, &attr, 1)) {
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return 0;
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}
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iconwin = tweak_tk_window_id(iconwin);
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trapped_xerror = 0;
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old_handler = XSetErrorHandler(trap_xerror);
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/*
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* unfortunately no desktops seem to obey this
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* part of the XEMBED spec yet...
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*/
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XReparentWindow(dpy, iconwin, rootwin, 0, 0);
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XSetErrorHandler(old_handler);
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if (trapped_xerror) {
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trapped_xerror = 0;
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return 0;
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}
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trapped_xerror = 0;
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return 1;
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}
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xembed_info = XInternAtom(dpy, "_XEMBED_INFO", False);
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if (xembed_info == None) {
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return 0;
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}
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if (!tray_manager_running(dpy, &manager)) {
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return 0;
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}
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memset(&ev, 0, sizeof(ev));
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ev.xclient.type = ClientMessage;
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ev.xclient.window = manager;
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ev.xclient.message_type = XInternAtom(dpy, "_NET_SYSTEM_TRAY_OPCODE",
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False);
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ev.xclient.format = 32;
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ev.xclient.data.l[0] = CurrentTime;
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ev.xclient.data.l[1] = SYSTEM_TRAY_REQUEST_DOCK;
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ev.xclient.data.l[2] = iconwin;
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ev.xclient.data.l[3] = 0;
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ev.xclient.data.l[4] = 0;
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if (!valid_window(iconwin, &attr, 1)) {
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return 0;
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}
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iconwin = tweak_tk_window_id(iconwin);
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ev.xclient.data.l[2] = iconwin;
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XUnmapWindow(dpy, iconwin);
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trapped_xerror = 0;
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old_handler = XSetErrorHandler(trap_xerror);
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XSendEvent(dpy, manager, False, NoEventMask, &ev);
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XSync(dpy, False);
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if (trapped_xerror) {
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XSetErrorHandler(old_handler);
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trapped_xerror = 0;
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return 0;
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}
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XChangeProperty(dpy, iconwin, xembed_info, xembed_info, 32,
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PropModeReplace, (unsigned char *)&info, 2);
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/* kludge for KDE evidently needed... */
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tatom = XInternAtom(dpy, "KWM_DOCKWINDOW", False);
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XChangeProperty(dpy, iconwin, tatom, tatom, 32, PropModeReplace,
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(unsigned char *)&data, 1);
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tatom = XInternAtom(dpy, "_KDE_NET_WM_SYSTEM_TRAY_WINDOW_FOR", False);
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XChangeProperty(dpy, iconwin, tatom, XA_WINDOW, 32, PropModeReplace,
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(unsigned char *)&data, 1);
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XSetErrorHandler(old_handler);
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trapped_xerror = 0;
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return 1;
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}
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static int tray_manager_running(Display *d, Window *manager) {
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char tray_string[100];
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Atom tray_manager;
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Window tray_win;
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if (manager) {
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*manager = None;
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}
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sprintf(tray_string, "_NET_SYSTEM_TRAY_S%d", scr);
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tray_manager = XInternAtom(d, tray_string, True);
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if (tray_manager == None) {
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return 0;
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}
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tray_win = XGetSelectionOwner(d, tray_manager);
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if (manager) {
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*manager = tray_win;
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}
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if (tray_win == None) {
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return 0;
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} else {
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return 1;
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}
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}
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static char *gui_geometry = NULL;
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static int icon_in_tray = 0;
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static char *icon_mode_embed_id = NULL;
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static char *icon_mode_font = NULL;
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static char *icon_mode_params = NULL;
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static void run_gui(char *gui_xdisplay, int connect_to_x11vnc, int start_x11vnc,
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int simple_gui, pid_t parent, char *gui_opts) {
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char *x11vnc_xdisplay = NULL;
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char extra_path[] = ":/usr/local/bin:/usr/bin/X11:/usr/sfw/bin"
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":/usr/X11R6/bin:/usr/openwin/bin:/usr/dt/bin";
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char cmd[100];
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char *wish = NULL, *orig_path, *full_path, *tpath, *p;
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char *old_xauth = NULL;
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int try_max = 4, sleep = 300;
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pid_t mypid = getpid();
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FILE *pipe, *tmpf;
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if (*gui_code == '\0') {
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rfbLog("gui: gui not compiled into this program.\n");
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exit(0);
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}
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if (getenv("DISPLAY") != NULL) {
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/* worst case */
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x11vnc_xdisplay = strdup(getenv("DISPLAY"));
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}
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if (use_dpy) {
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/* better */
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x11vnc_xdisplay = strdup(use_dpy);
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}
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if (connect_to_x11vnc) {
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int rc, i;
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rfbLogEnable(1);
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if (! client_connect_file) {
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if (getenv("XAUTHORITY") != NULL) {
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old_xauth = strdup(getenv("XAUTHORITY"));
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} else {
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old_xauth = strdup("");
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}
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dpy = XOpenDisplay(x11vnc_xdisplay);
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if (! dpy && auth_file) {
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set_env("XAUTHORITY", auth_file);
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dpy = XOpenDisplay(x11vnc_xdisplay);
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}
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if (! dpy && ! x11vnc_xdisplay) {
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/* worstest case */
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x11vnc_xdisplay = strdup(":0");
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dpy = XOpenDisplay(x11vnc_xdisplay);
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}
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if (! dpy) {
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rfbLog("gui: could not open x11vnc "
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"display: %s\n", NONUL(x11vnc_xdisplay));
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exit(1);
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}
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scr = DefaultScreen(dpy);
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rootwin = RootWindow(dpy, scr);
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initialize_vnc_connect_prop();
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}
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usleep(2200*1000);
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fprintf(stderr, "\n");
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if (!quiet) {
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rfbLog("gui: trying to contact a x11vnc server at X"
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" display %s ...\n", NONUL(x11vnc_xdisplay));
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}
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for (i=0; i<try_max; i++) {
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usleep(sleep*1000);
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if (!quiet) {
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rfbLog("gui: pinging %s try=%d ...\n",
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NONUL(x11vnc_xdisplay), i+1);
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}
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rc = send_remote_cmd("qry=ping", 1, 1);
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if (rc == 0) {
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break;
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}
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if (parent && mypid != parent && kill(parent, 0) != 0) {
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rfbLog("gui: parent process %d has gone"
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" away: bailing out.\n", parent);
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rc = 1;
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break;
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}
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}
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set_env("X11VNC_XDISPLAY", x11vnc_xdisplay);
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if (getenv("XAUTHORITY") != NULL) {
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set_env("X11VNC_AUTH_FILE", getenv("XAUTHORITY"));
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}
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if (rc == 0) {
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rfbLog("gui: ping succeeded.\n");
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set_env("X11VNC_CONNECT", "1");
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} else {
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rfbLog("gui: could not connect to: '%s', try"
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" again manually.\n", x11vnc_xdisplay);
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}
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if (client_connect_file) {
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set_env("X11VNC_CONNECT_FILE", client_connect_file);
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}
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if (dpy) {
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XCloseDisplay(dpy);
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dpy = NULL;
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}
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if (old_xauth) {
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if (*old_xauth == '\0') {
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/* wasn't set, hack it out if it is now */
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char *xauth = getenv("XAUTHORITY");
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if (xauth) {
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*(xauth-2) = '_'; /* yow */
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}
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} else {
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set_env("XAUTHORITY", old_xauth);
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}
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free(old_xauth);
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}
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rfbLogEnable(0);
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}
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orig_path = getenv("PATH");
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if (! orig_path) {
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orig_path = strdup("/bin:/usr/bin:/usr/bin/X11");
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}
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full_path = (char *) malloc(strlen(orig_path)+strlen(extra_path)+1);
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strcpy(full_path, orig_path);
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strcat(full_path, extra_path);
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tpath = strdup(full_path);
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p = strtok(tpath, ":");
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while (p) {
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char *try;
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struct stat sbuf;
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char *wishes[] = {"wish", "wish8.3", "wish8.4", "wish8.5",
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"wish8.0"};
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int nwishes = 3, i;
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try = (char *) malloc(strlen(p) + 1 + strlen("wish8.4") + 1);
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for (i=0; i<nwishes; i++) {
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sprintf(try, "%s/%s", p, wishes[i]);
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if (stat(try, &sbuf) == 0) {
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/* assume executable, should check mode */
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wish = wishes[i];
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}
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}
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free(try);
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if (wish) {
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break;
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}
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p = strtok(NULL, ":");
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}
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free(tpath);
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if (!wish) {
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wish = strdup("wish");
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}
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set_env("PATH", full_path);
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set_env("DISPLAY", gui_xdisplay);
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set_env("X11VNC_PROG", program_name);
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set_env("X11VNC_CMDLINE", program_cmdline);
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set_env("X11VNC_WISHCMD", wish);
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if (simple_gui) {
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set_env("X11VNC_SIMPLE_GUI", "1");
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}
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if (gui_opts) {
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set_env("X11VNC_GUI_PARAMS", gui_opts);
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}
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if (gui_geometry) {
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set_env("X11VNC_GUI_GEOM", gui_geometry);
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}
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if (start_x11vnc) {
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set_env("X11VNC_STARTED", "1");
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}
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if (icon_mode) {
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set_env("X11VNC_ICON_MODE", "1");
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if (icon_mode_file) {
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set_env("X11VNC_CLIENT_FILE", icon_mode_file);
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}
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if (icon_in_tray) {
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if (tray_manager_ok) {
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set_env("X11VNC_ICON_MODE", "TRAY:RUNNING");
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} else {
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set_env("X11VNC_ICON_MODE", "TRAY");
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}
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} else {
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set_env("X11VNC_ICON_MODE", "ICON");
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}
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if (icon_mode_params) {
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char *p, *str = strdup(icon_mode_params);
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p = strtok(str, ":-/,.+");
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while (p) {
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if(strstr(p, "setp") == p) {
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set_env("X11VNC_ICON_SETPASS", "1");
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} else if(strstr(p, "noadvanced") == p) {
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set_env("X11VNC_ICON_NOADVANCED", "1");
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} else if(strstr(p, "minimal") == p) {
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set_env("X11VNC_ICON_MINIMAL", "1");
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} else if (strstr(p, "0x") == p) {
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set_env("X11VNC_ICON_EMBED_ID", p);
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icon_mode_embed_id = strdup(p);
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}
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p = strtok(NULL, ":-/,.+");
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}
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free(str);
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}
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}
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if (icon_mode_font) {
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set_env("X11VNC_ICON_FONT", icon_mode_font);
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}
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if (no_external_cmds) {
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fprintf(stderr, "cannot run external commands in -nocmds "
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"mode:\n");
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fprintf(stderr, " \"%s\"\n", "gui + wish");
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fprintf(stderr, " exiting.\n");
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fflush(stderr);
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exit(1);
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}
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tmpf = tmpfile();
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if (tmpf == NULL) {
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/* if no tmpfile, use a pipe */
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if (icon_mode_embed_id) {
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if (strlen(icon_mode_embed_id) < 20) {
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strcat(cmd, " -use ");
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strcat(cmd, icon_mode_embed_id);
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}
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}
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pipe = popen(cmd, "w");
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if (! pipe) {
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fprintf(stderr, "could not run: %s\n", cmd);
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perror("popen");
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}
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fprintf(pipe, "%s", gui_code);
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pclose(pipe);
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} else {
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/*
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* we prefer a tmpfile since then this x11vnc process
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* will then be gone, otherwise the x11vnc program text
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* will still be in use.
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*/
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int n = fileno(tmpf);
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fprintf(tmpf, "%s", gui_code);
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fflush(tmpf);
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rewind(tmpf);
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dup2(n, 0);
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close(n);
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if (icon_mode_embed_id) {
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execlp(wish, wish, "-", "-use", icon_mode_embed_id,
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(char *) NULL);
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} else {
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execlp(wish, wish, "-", (char *) NULL);
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}
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fprintf(stderr, "could not exec wish: %s -\n", wish);
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perror("execlp");
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}
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exit(0);
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}
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void do_gui(char *opts, int sleep) {
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char *s, *p;
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char *old_xauth = NULL;
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char *gui_xdisplay = NULL;
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int got_gui_xdisplay = 0;
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int start_x11vnc = 1;
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int connect_to_x11vnc = 0;
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int simple_gui = 0, none_gui = 0;
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Display *test_dpy;
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if (opts) {
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s = strdup(opts);
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} else {
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s = strdup("");
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}
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if (use_dpy) {
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/* worst case */
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gui_xdisplay = strdup(use_dpy);
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}
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if (getenv("DISPLAY") != NULL) {
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/* better */
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gui_xdisplay = strdup(getenv("DISPLAY"));
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}
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p = strtok(s, ",");
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while(p) {
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if (*p == '\0') {
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;
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} else if (strchr(p, ':') != NULL) {
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/* best */
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if (gui_xdisplay) {
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free(gui_xdisplay);
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}
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gui_xdisplay = strdup(p);
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got_gui_xdisplay = 1;
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} else if (!strcmp(p, "wait")) {
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start_x11vnc = 0;
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connect_to_x11vnc = 0;
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} else if (!strcmp(p, "none")) {
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none_gui = 1;
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} else if (!strcmp(p, "conn") || !strcmp(p, "connect")) {
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start_x11vnc = 0;
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connect_to_x11vnc = 1;
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} else if (!strcmp(p, "ez") || !strcmp(p, "simple")) {
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simple_gui = 1;
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} else if (strstr(p, "iconfont") == p) {
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char *q;
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if ((q = strchr(p, '=')) != NULL) {
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icon_mode_font = strdup(q+1);
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}
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} else if (!strcmp(p, "full")) {
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;
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} else if (strstr(p, "tray") == p || strstr(p, "icon") == p) {
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char *q;
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icon_mode = 1;
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if ((q = strchr(p, '=')) != NULL) {
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icon_mode_params = strdup(q+1);
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if (strstr(icon_mode_params, "setp")) {
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deny_all = 1;
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}
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}
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if (strstr(p, "tray") == p) {
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icon_in_tray = 1;
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}
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} else if (strstr(p, "geom") == p) {
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char *q;
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if ((q = strchr(p, '=')) != NULL) {
|
|
gui_geometry = strdup(q+1);
|
|
}
|
|
} else {
|
|
fprintf(stderr, "unrecognized gui opt: %s\n", p);
|
|
}
|
|
|
|
p = strtok(NULL, ",");
|
|
}
|
|
free(s);
|
|
|
|
if (none_gui) {
|
|
if (!start_x11vnc) {
|
|
exit(0);
|
|
}
|
|
return;
|
|
}
|
|
if (start_x11vnc) {
|
|
connect_to_x11vnc = 1;
|
|
}
|
|
|
|
if (icon_mode && !got_gui_xdisplay) {
|
|
/* for tray mode, prefer the polled DISPLAY */
|
|
if (use_dpy) {
|
|
if (gui_xdisplay) {
|
|
free(gui_xdisplay);
|
|
}
|
|
gui_xdisplay = strdup(use_dpy);
|
|
}
|
|
}
|
|
|
|
if (! gui_xdisplay) {
|
|
fprintf(stderr, "error: cannot determine X DISPLAY for gui"
|
|
" to display on.\n");
|
|
exit(1);
|
|
}
|
|
if (!quiet) {
|
|
fprintf(stderr, "starting gui, trying display: %s\n",
|
|
gui_xdisplay);
|
|
}
|
|
test_dpy = XOpenDisplay(gui_xdisplay);
|
|
if (! test_dpy && auth_file) {
|
|
if (getenv("XAUTHORITY") != NULL) {
|
|
old_xauth = strdup(getenv("XAUTHORITY"));
|
|
}
|
|
set_env("XAUTHORITY", auth_file);
|
|
test_dpy = XOpenDisplay(gui_xdisplay);
|
|
}
|
|
if (! test_dpy) {
|
|
if (! old_xauth && getenv("XAUTHORITY") != NULL) {
|
|
old_xauth = strdup(getenv("XAUTHORITY"));
|
|
}
|
|
set_env("XAUTHORITY", "");
|
|
test_dpy = XOpenDisplay(gui_xdisplay);
|
|
}
|
|
if (! test_dpy) {
|
|
fprintf(stderr, "error: cannot connect to gui X DISPLAY: %s\n",
|
|
gui_xdisplay);
|
|
exit(1);
|
|
}
|
|
if (icon_mode && icon_in_tray) {
|
|
if (tray_manager_running(test_dpy, NULL)) {
|
|
tray_manager_ok = 1;
|
|
} else {
|
|
tray_manager_ok = 0;
|
|
}
|
|
}
|
|
XCloseDisplay(test_dpy);
|
|
|
|
if (start_x11vnc) {
|
|
|
|
#if LIBVNCSERVER_HAVE_FORK
|
|
/* fork into the background now */
|
|
int p;
|
|
pid_t parent = getpid();
|
|
|
|
if (icon_mode) {
|
|
char tf[100];
|
|
double dn = dnow();
|
|
struct stat sbuf;
|
|
/* FIXME */
|
|
dn = dn - ((int) dn);
|
|
sprintf(tf, "/tmp/x11vnc.tray%d%d", (int) (1000000*dn),
|
|
(int) getpid());
|
|
unlink(tf);
|
|
/* race begins.. */
|
|
if (stat(tf, &sbuf) == 0) {
|
|
icon_mode = 0;
|
|
} else {
|
|
icon_mode_fh = fopen(tf, "w");
|
|
if (! icon_mode_fh) {
|
|
icon_mode = 0;
|
|
} else {
|
|
chmod(tf, 0400);
|
|
icon_mode_file = strdup(tf);
|
|
fprintf(icon_mode_fh, "none\n");
|
|
fprintf(icon_mode_fh, "none\n");
|
|
fflush(icon_mode_fh);
|
|
if (! got_connect_once) {
|
|
/* want -forever for tray */
|
|
connect_once = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((p = fork()) > 0) {
|
|
; /* parent */
|
|
} else if (p == -1) {
|
|
fprintf(stderr, "could not fork\n");
|
|
perror("fork");
|
|
clean_up_exit(1);
|
|
} else {
|
|
if (sleep > 0) {
|
|
usleep(sleep * 1000 * 1000);
|
|
}
|
|
run_gui(gui_xdisplay, connect_to_x11vnc, start_x11vnc,
|
|
simple_gui, parent, opts);
|
|
exit(1);
|
|
}
|
|
#else
|
|
fprintf(stderr, "system does not support fork: start "
|
|
"x11vnc in the gui.\n");
|
|
start_x11vnc = 0;
|
|
#endif
|
|
}
|
|
if (!start_x11vnc) {
|
|
run_gui(gui_xdisplay, connect_to_x11vnc, start_x11vnc,
|
|
simple_gui, 0, opts);
|
|
exit(1);
|
|
}
|
|
if (old_xauth) {
|
|
set_env("XAUTHORITY", old_xauth);
|
|
}
|
|
}
|
|
|
|
|