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.
561 lines
14 KiB
561 lines
14 KiB
#ifndef _X11VNC_X11VNC_H
|
|
#define _X11VNC_X11VNC_H
|
|
|
|
/* -- x11vnc.h -- */
|
|
/*
|
|
* These ' -- filename.[ch] -- ' comments represent a partial cleanup:
|
|
* they are an odd way to indicate how this huge file would be split up
|
|
* someday into multiple files.
|
|
*
|
|
* The primary reason we have not broken up this file is for user
|
|
* convenience: those wanting to use the latest version download a single
|
|
* file, x11vnc.c, and off they go...
|
|
*/
|
|
|
|
/****************************************************************************/
|
|
|
|
/* Standard includes and libvncserver */
|
|
|
|
#include <unistd.h>
|
|
#include <signal.h>
|
|
#include <sys/utsname.h>
|
|
#ifdef __hpux
|
|
/* to avoid select() compiler warning */
|
|
#include <sys/time.h>
|
|
#endif
|
|
#include <time.h>
|
|
#include <errno.h>
|
|
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <ctype.h>
|
|
|
|
#include <rfb/rfb.h>
|
|
#include <rfb/rfbregion.h>
|
|
|
|
|
|
/* we can now build under --without-x: */
|
|
#if LIBVNCSERVER_HAVE_X11
|
|
|
|
#define NO_X11 0
|
|
#include <X11/Xlib.h>
|
|
#include <X11/Xutil.h>
|
|
|
|
#include <X11/keysym.h>
|
|
#include <X11/Xatom.h>
|
|
|
|
#else
|
|
|
|
#define NO_X11 1
|
|
#ifndef SKIP_NO_X11
|
|
#include "nox11.h"
|
|
#endif
|
|
#include <rfb/keysym.h>
|
|
|
|
#endif
|
|
|
|
/****************************************************************************/
|
|
|
|
|
|
/*
|
|
* Build-time customization via CPPFLAGS.
|
|
*
|
|
* Summary of options to include in CPPFLAGS for custom builds:
|
|
*
|
|
* -DVNCSHARED to have the vnc display shared by default.
|
|
* -DFOREVER to have -forever on by default.
|
|
* -DNOREPEAT=0 to have -repeat on by default.
|
|
* -DXINERAMA=0 to have -noxinerama on by default.
|
|
* -DADDKEYSYMS=0 to have -noadd_keysyms the default.
|
|
*
|
|
* -DREMOTE_DEFAULT=0 to disable remote-control on by default (-yesremote).
|
|
* -DREMOTE_CONTROL=0 to disable remote-control mechanism completely.
|
|
* -DEXTERNAL_COMMANDS=0 to disable the running of all external commands.
|
|
* -DTIGHTFILEXFER=0 disable tightfilexfer.
|
|
*
|
|
* -DHARDWIRE_PASSWD=... hardwired passwords, quoting necessary.
|
|
* -DHARDWIRE_VIEWPASSWD=...
|
|
* -DNOPW=1 make -nopw the default (skip warning)
|
|
* -DUSEPW=1 make -usepw the default
|
|
* -DPASSWD_REQUIRED=1 exit unless a password is supplied.
|
|
* -DPASSWD_UNLESS_NOPW=1 exit unless a password is supplied and no -nopw.
|
|
*
|
|
* -DCURSOR_DRAG=1 to have -cursor_drag as the default.
|
|
* -DWIREFRAME=0 to have -nowireframe as the default.
|
|
* -DWIREFRAME_COPYRECT=0 to have -nowirecopyrect as the default.
|
|
* -DWIREFRAME_PARMS=... set default -wirecopyrect parameters.
|
|
* -DSCROLL_COPYRECT=0 to have -noscrollcopyrect as the default.
|
|
* -DSCROLL_COPYRECT_PARMS=... set default -scrollcopyrect parameters.
|
|
* -DSCALING_COPYRECT=0
|
|
* -DXDAMAGE=0 to have -noxdamage as the default.
|
|
* -DSKIPDUPS=0 to have -noskip_dups as the default or vice versa.
|
|
*
|
|
* -DPOINTER_MODE_DEFAULT={0,1,2,3,4} set default -pointer_mode.
|
|
* -DBOLDLY_CLOSE_DISPLAY=0 to not close X DISPLAY under -rawfb.
|
|
* -DSMALL_FOOTPRINT=1 for smaller binary size (no help, no gui, etc)
|
|
* use 2 or 3 for even smaller footprint.
|
|
* -DNOGUI do not include the gui tkx11vnc.
|
|
* -DSKIP_HELP=1 smaller.
|
|
* -DSKIP_XKB=1 a little smaller.
|
|
* -DSKIP_8to24=1 a little smaller.
|
|
* -DPOLL_8TO24_DELAY=N
|
|
* -DDEBUG_XEVENTS=1 enable printout for X events.
|
|
*
|
|
* Set these in CPPFLAGS before running configure. E.g.:
|
|
*
|
|
* % env CPPFLAGS="-DFOREVER -DREMOTE_CONTROL=0" ./configure
|
|
* % make
|
|
*/
|
|
|
|
/*
|
|
* This can be used to disable the remote control mechanism.
|
|
*/
|
|
#ifndef REMOTE_CONTROL
|
|
#define REMOTE_CONTROL 1
|
|
#endif
|
|
|
|
#ifndef XINERAMA
|
|
#define XINERAMA 1
|
|
#endif
|
|
|
|
#ifndef NOPW
|
|
#define NOPW 0
|
|
#endif
|
|
|
|
#ifndef USEPW
|
|
#define USEPW 0
|
|
#endif
|
|
|
|
#ifndef PASSWD_REQUIRED
|
|
#define PASSWD_REQUIRED 0
|
|
#endif
|
|
|
|
#ifndef PASSWD_UNLESS_NOPW
|
|
#define PASSWD_UNLESS_NOPW 0
|
|
#endif
|
|
|
|
/* these are for delaying features: */
|
|
#define xxNO_SSL_OR_UNIXPW
|
|
#define xxNO_NCACHE
|
|
|
|
/*
|
|
* Beginning of support for small binary footprint build for embedded
|
|
* systems, PDA's etc. It currently just cuts out the low-hanging
|
|
* fruit (large text passages). Set to 2, 3 to cut out some of the
|
|
* more esoteric extensions. More tedious is to modify LDFLAGS in the
|
|
* Makefile to not link against the extension libraries... but that
|
|
* should be done too (manually for now).
|
|
*
|
|
* If there is interest more of the bloat can be removed... Currently
|
|
* these shrink the binary from 1100K to about 600K.
|
|
*/
|
|
#ifndef SMALL_FOOTPRINT
|
|
#define SMALL_FOOTPRINT 0
|
|
#endif
|
|
|
|
#ifndef SKIP_XKB
|
|
#define SKIP_XKB 0
|
|
#endif
|
|
#ifndef SKIP_8TO24
|
|
#define SKIP_8TO24 0
|
|
#endif
|
|
#ifndef SKIP_HELP
|
|
#define SKIP_HELP 0
|
|
#endif
|
|
|
|
#if SMALL_FOOTPRINT
|
|
#undef NOGUI
|
|
#define NOGUI
|
|
#undef SKIP_HELP
|
|
#define SKIP_HELP 1
|
|
#endif
|
|
|
|
#if (SMALL_FOOTPRINT > 1)
|
|
#undef SKIP_XKB
|
|
#undef SKIP_8TO24
|
|
#undef LIBVNCSERVER_HAVE_LIBXINERAMA
|
|
#undef LIBVNCSERVER_HAVE_LIBXFIXES
|
|
#undef LIBVNCSERVER_HAVE_LIBXDAMAGE
|
|
#define SKIP_XKB 1
|
|
#define SKIP_8TO24 1
|
|
#define LIBVNCSERVER_HAVE_LIBXINERAMA 0
|
|
#define LIBVNCSERVER_HAVE_LIBXFIXES 0
|
|
#define LIBVNCSERVER_HAVE_LIBXDAMAGE 0
|
|
#endif
|
|
|
|
#if (SMALL_FOOTPRINT > 2)
|
|
#undef LIBVNCSERVER_HAVE_UTMPX_H
|
|
#undef LIBVNCSERVER_HAVE_PWD_H
|
|
#undef REMOTE_CONTROL
|
|
#define LIBVNCSERVER_HAVE_UTMPX_H 0
|
|
#define LIBVNCSERVER_HAVE_PWD_H 0
|
|
#define REMOTE_CONTROL 0
|
|
#endif
|
|
|
|
/*
|
|
* Not recommended unless you know what you are getting into, but if you
|
|
* define the HARDWIRE_PASSWD or HARDWIRE_VIEWPASSWD variables here or in
|
|
* CPPFLAGS you can set a default -passwd and -viewpasswd string values,
|
|
* perhaps this would be better than nothing on an embedded system, etc.
|
|
* These default values will be overridden by the command line.
|
|
* We don't even give an example ;-)
|
|
*/
|
|
|
|
/****************************************************************************/
|
|
|
|
/* Extensions and related includes: */
|
|
|
|
#if LIBVNCSERVER_HAVE_XSHM
|
|
# if defined(__hpux) && defined(__ia64) /* something weird on hp/itanic */
|
|
# undef _INCLUDE_HPUX_SOURCE
|
|
# endif
|
|
#include <sys/ipc.h>
|
|
#include <sys/shm.h>
|
|
#include <X11/extensions/XShm.h>
|
|
#endif
|
|
|
|
#include <dirent.h>
|
|
|
|
#if LIBVNCSERVER_HAVE_XTEST
|
|
#include <X11/extensions/XTest.h>
|
|
#endif
|
|
extern int xtest_base_event_type;
|
|
|
|
#if LIBVNCSERVER_HAVE_LIBXTRAP
|
|
#define NEED_EVENTS
|
|
#define NEED_REPLIES
|
|
#include <X11/extensions/xtraplib.h>
|
|
#include <X11/extensions/xtraplibp.h>
|
|
extern XETC *trap_ctx;
|
|
#endif
|
|
extern int xtrap_base_event_type;
|
|
|
|
#if LIBVNCSERVER_HAVE_RECORD
|
|
#include <X11/Xproto.h>
|
|
#include <X11/extensions/record.h>
|
|
#endif
|
|
|
|
#if LIBVNCSERVER_HAVE_XKEYBOARD
|
|
#include <X11/XKBlib.h>
|
|
#endif
|
|
|
|
#if LIBVNCSERVER_HAVE_LIBXINERAMA
|
|
#include <X11/extensions/Xinerama.h>
|
|
#endif
|
|
|
|
#if LIBVNCSERVER_HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
|
|
#include <netdb.h>
|
|
#ifndef _AIX
|
|
extern int h_errno;
|
|
#endif
|
|
|
|
#if LIBVNCSERVER_HAVE_NETINET_IN_H
|
|
#include <netinet/in.h>
|
|
#include <netinet/tcp.h>
|
|
#include <arpa/inet.h>
|
|
#endif
|
|
|
|
#if LIBVNCSERVER_HAVE_PWD_H
|
|
#include <pwd.h>
|
|
#endif
|
|
#if LIBVNCSERVER_HAVE_SYS_WAIT_H
|
|
#include <sys/wait.h>
|
|
#endif
|
|
#if LIBVNCSERVER_HAVE_UTMPX_H
|
|
#include <utmpx.h>
|
|
#endif
|
|
|
|
#if LIBVNCSERVER_HAVE_MMAP
|
|
#include <sys/mman.h>
|
|
#endif
|
|
|
|
/*
|
|
* overlay/multi-depth screen reading support
|
|
* undef SOLARIS_OVERLAY or IRIX_OVERLAY if there are problems building.
|
|
*/
|
|
|
|
/* solaris/sun */
|
|
#if defined (__SVR4) && defined (__sun)
|
|
# define SOLARIS
|
|
# ifdef LIBVNCSERVER_HAVE_SOLARIS_XREADSCREEN
|
|
# define SOLARIS_OVERLAY
|
|
# define OVERLAY_OS
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef SOLARIS_OVERLAY
|
|
#include <X11/extensions/transovl.h>
|
|
#endif
|
|
|
|
/* irix/sgi */
|
|
#if defined(__sgi)
|
|
# define IRIX
|
|
# ifdef LIBVNCSERVER_HAVE_IRIX_XREADDISPLAY
|
|
# define IRIX_OVERLAY
|
|
# define OVERLAY_OS
|
|
# endif
|
|
#endif
|
|
|
|
/*
|
|
* For reference, the OS header defines:
|
|
__SVR4 && __sun is solaris
|
|
__sgi
|
|
__hpux
|
|
__osf__
|
|
__OpenBSD__
|
|
__FreeBSD__
|
|
__NetBSD__
|
|
__linux__
|
|
(defined(__MACH__) && defined(__APPLE__))
|
|
_AIX
|
|
*/
|
|
#if (defined(__MACH__) && defined(__APPLE__))
|
|
#define MACOSX
|
|
#endif
|
|
|
|
|
|
#ifdef IRIX_OVERLAY
|
|
#include <X11/extensions/readdisplay.h>
|
|
#endif
|
|
|
|
extern int overlay_present;
|
|
|
|
#if LIBVNCSERVER_HAVE_LIBXRANDR
|
|
#include <X11/extensions/Xrandr.h>
|
|
#endif
|
|
extern int xrandr_base_event_type;
|
|
|
|
#if LIBVNCSERVER_HAVE_LIBXFIXES
|
|
#include <X11/extensions/Xfixes.h>
|
|
#endif
|
|
extern int xfixes_base_event_type;
|
|
|
|
#if LIBVNCSERVER_HAVE_LIBXDAMAGE
|
|
#include <X11/extensions/Xdamage.h>
|
|
#endif
|
|
extern int xdamage_base_event_type;
|
|
|
|
#define RAWFB_RET(y) if (raw_fb && ! dpy) return y;
|
|
#define RAWFB_RET_VOID if (raw_fb && ! dpy) return;
|
|
|
|
extern char lastmod[];
|
|
|
|
/* X display info */
|
|
|
|
extern Display *dpy; /* the single display screen we connect to */
|
|
extern int scr;
|
|
extern char *xauth_raw_data;
|
|
extern int xauth_raw_len;
|
|
extern Window window, rootwin; /* polled window, root window (usu. same) */
|
|
extern Visual *default_visual; /* the default visual (unless -visual) */
|
|
extern int bpp, depth;
|
|
extern int indexed_color;
|
|
extern int dpy_x, dpy_y; /* size of display */
|
|
extern int fb_x, fb_y, fb_b; /* fb size and bpp guesses at display */
|
|
extern int off_x, off_y; /* offsets for -sid */
|
|
extern int wdpy_x, wdpy_y; /* for actual sizes in case of -clip */
|
|
extern int cdpy_x, cdpy_y, coff_x, coff_y; /* the -clip params */
|
|
extern int button_mask; /* button state and info */
|
|
extern int button_mask_prev;
|
|
extern int num_buttons;
|
|
|
|
extern long xselectinput_rootwin;
|
|
|
|
extern unsigned int display_button_mask;
|
|
extern unsigned int display_mod_mask;
|
|
|
|
/* image structures */
|
|
extern XImage *scanline;
|
|
extern XImage *fullscreen;
|
|
extern XImage **tile_row; /* for all possible row runs */
|
|
extern XImage *snaprect; /* for XShmGetImage (fs_factor) */
|
|
extern XImage *snap; /* the full snap fb */
|
|
extern XImage *raw_fb_image; /* the raw fb */
|
|
|
|
#if !LIBVNCSERVER_HAVE_XSHM
|
|
/*
|
|
* for simplicity, define this struct since we'll never use them
|
|
* under using_shm = 0.
|
|
*/
|
|
typedef struct {
|
|
int shmid; char *shmaddr; Bool readOnly;
|
|
} XShmSegmentInfo;
|
|
#endif
|
|
|
|
/* corresponding shm structures */
|
|
extern XShmSegmentInfo scanline_shm;
|
|
extern XShmSegmentInfo fullscreen_shm;
|
|
extern XShmSegmentInfo *tile_row_shm; /* for all possible row runs */
|
|
extern XShmSegmentInfo snaprect_shm;
|
|
|
|
/* rfb screen info */
|
|
extern rfbScreenInfoPtr screen;
|
|
extern char *rfb_desktop_name;
|
|
extern char *http_dir;
|
|
extern char vnc_desktop_name[];
|
|
extern char *main_fb; /* our copy of the X11 fb */
|
|
extern char *rfb_fb; /* same as main_fb unless transformation */
|
|
extern char *fake_fb; /* used under -padgeom */
|
|
extern char *snap_fb; /* used under -snapfb */
|
|
extern char *cmap8to24_fb; /* used under -8to24 */
|
|
extern char *rot_fb; /* used under -rotate */
|
|
extern char *raw_fb;
|
|
extern char *raw_fb_addr;
|
|
extern int raw_fb_offset;
|
|
extern int raw_fb_shm;
|
|
extern int raw_fb_mmap;
|
|
extern int raw_fb_seek;
|
|
extern int raw_fb_fd;
|
|
extern int raw_fb_back_to_X;
|
|
|
|
extern int rfb_bytes_per_line;
|
|
extern int main_bytes_per_line;
|
|
extern int rot_bytes_per_line;
|
|
extern unsigned long main_red_mask, main_green_mask, main_blue_mask;
|
|
extern unsigned short main_red_max, main_green_max, main_blue_max;
|
|
extern unsigned short main_red_shift, main_green_shift, main_blue_shift;
|
|
|
|
extern int raw_fb_bytes_per_line; /* of actual raw region we poll, not our raw_fb */
|
|
|
|
/* scaling parameters */
|
|
extern char *scale_str;
|
|
extern double scale_fac;
|
|
extern int scaling;
|
|
extern int scaling_blend; /* for no blending option (very course) */
|
|
extern int scaling_nomult4; /* do not require width = n * 4 */
|
|
extern int scaling_pad; /* pad out scaled sizes to fit denominator */
|
|
extern int scaling_interpolate; /* use interpolation scheme when shrinking */
|
|
extern int scaled_x, scaled_y; /* dimensions of scaled display */
|
|
extern int scale_numer, scale_denom; /* n/m */
|
|
extern char *rotating_str;
|
|
extern int rotating;
|
|
extern int rotating_same;
|
|
extern int rotating_cursors;
|
|
|
|
/* scale cursor */
|
|
extern char *scale_cursor_str;
|
|
extern double scale_cursor_fac;
|
|
extern int scaling_cursor;
|
|
extern int scaling_cursor_blend;
|
|
extern int scaling_cursor_interpolate;
|
|
extern int scale_cursor_numer, scale_cursor_denom;
|
|
|
|
/* size of the basic tile unit that is polled for changes: */
|
|
extern int tile_x;
|
|
extern int tile_y;
|
|
extern int ntiles, ntiles_x, ntiles_y;
|
|
|
|
/* arrays that indicate changed or checked tiles. */
|
|
extern unsigned char *tile_has_diff, *tile_tried, *tile_copied;
|
|
extern unsigned char *tile_has_xdamage_diff, *tile_row_has_xdamage_diff;
|
|
|
|
/* times of recent events */
|
|
extern time_t last_event, last_input, last_client;
|
|
extern time_t last_keyboard_input, last_pointer_input;
|
|
extern time_t last_local_input;
|
|
extern time_t last_fb_bytes_sent;
|
|
extern double last_keyboard_time;
|
|
extern double last_pointer_time;
|
|
extern double last_pointer_click_time;
|
|
extern double last_pointer_motion_time;
|
|
extern double last_key_to_button_remap_time;
|
|
extern double last_copyrect;
|
|
extern double last_copyrect_fix;
|
|
extern double last_wireframe;
|
|
extern double servertime_diff;
|
|
extern double x11vnc_start;
|
|
extern double g_now;
|
|
|
|
extern double last_get_wm_frame_time;
|
|
extern Window last_get_wm_frame;
|
|
extern double last_bs_restore;
|
|
extern double last_su_restore;
|
|
extern double last_bs_save;
|
|
extern double last_su_save;
|
|
|
|
extern int hack_val;
|
|
|
|
/* last client to move pointer */
|
|
extern rfbClientPtr last_pointer_client;
|
|
extern rfbClientPtr latest_client;
|
|
|
|
extern int waited_for_client;
|
|
extern int findcreatedisplay;
|
|
|
|
extern int client_count;
|
|
extern int clients_served;
|
|
|
|
/* more transient kludge variables: */
|
|
extern int cursor_x, cursor_y; /* x and y from the viewer(s) */
|
|
extern int button_change_x, button_change_y;
|
|
extern int got_user_input;
|
|
extern int got_pointer_input;
|
|
extern int got_local_pointer_input;
|
|
extern int got_pointer_calls;
|
|
extern int got_keyboard_input;
|
|
extern int got_keyboard_calls;
|
|
extern int urgent_update;
|
|
extern int last_keyboard_keycode;
|
|
extern rfbBool last_rfb_down;
|
|
extern rfbBool last_rfb_key_accepted;
|
|
extern rfbKeySym last_rfb_keysym;
|
|
extern double last_rfb_keytime;
|
|
extern int fb_copy_in_progress;
|
|
extern int drag_in_progress;
|
|
extern int shut_down;
|
|
extern int do_copy_screen;
|
|
extern time_t damage_time;
|
|
extern int damage_delay;
|
|
|
|
extern int program_pid;
|
|
extern char *program_name;
|
|
extern char *program_cmdline;
|
|
|
|
extern struct utsname UT;
|
|
|
|
typedef struct hint {
|
|
/* location x, y, height, and width of a change-rectangle */
|
|
/* (grows as adjacent horizontal tiles are glued together) */
|
|
int x, y, w, h;
|
|
} hint_t;
|
|
|
|
/* struct with client specific data: */
|
|
#define CILEN 10
|
|
typedef struct _ClientData {
|
|
int uid;
|
|
char *hostname;
|
|
char *username;
|
|
char *unixname;
|
|
int client_port;
|
|
int server_port;
|
|
char *server_ip;
|
|
char input[CILEN];
|
|
int login_viewonly;
|
|
time_t login_time;
|
|
|
|
pid_t ssl_helper_pid;
|
|
|
|
int had_cursor_shape_updates;
|
|
int had_cursor_pos_updates;
|
|
|
|
double timer;
|
|
double send_cmp_rate;
|
|
double send_raw_rate;
|
|
double latency;
|
|
int cmp_bytes_sent;
|
|
int raw_bytes_sent;
|
|
|
|
} ClientData;
|
|
|
|
extern void nox11_exit(int rc);
|
|
|
|
#include "params.h"
|
|
#include "enums.h"
|
|
#include "options.h"
|
|
#include "util.h"
|
|
|
|
#endif /* _X11VNC_X11VNC_H */
|