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495 lines
13 KiB
495 lines
13 KiB
#ifndef _X11VNC_X11VNC_H
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#define _X11VNC_X11VNC_H
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/* -- x11vnc.h -- */
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/*
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* These ' -- filename.[ch] -- ' comments represent a partial cleanup:
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* they are an odd way to indicate how this huge file would be split up
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* someday into multiple files.
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*
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* The primary reason we have not broken up this file is for user
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* convenience: those wanting to use the latest version download a single
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* file, x11vnc.c, and off they go...
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*/
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/****************************************************************************/
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/* Standard includes and libvncserver */
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#include <unistd.h>
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#include <signal.h>
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#include <sys/utsname.h>
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#include <time.h>
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#include <errno.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/keysym.h>
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#include <X11/Xatom.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <ctype.h>
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#include <rfb/rfb.h>
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#include <rfb/rfbregion.h>
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/****************************************************************************/
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/*
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* Build-time customization via CPPFLAGS.
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*
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* Summary of options to include in CPPFLAGS for custom builds:
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*
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* -DVNCSHARED to have the vnc display shared by default.
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* -DFOREVER to have -forever on by default.
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* -DNOREPEAT=0 to have -repeat on by default.
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* -DXINERAMA=0 to have -noxinerama on by default.
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* -DADDKEYSYMS=0 to have -noadd_keysyms the default.
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*
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* -DREMOTE_DEFAULT=0 to disable remote-control on by default (-yesremote).
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* -DREMOTE_CONTROL=0 to disable remote-control mechanism completely.
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* -DEXTERNAL_COMMANDS=0 to disable the running of all external commands.
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* -DFILEXFER=0 disable filexfer.
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*
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* -DHARDWIRE_PASSWD=... hardwired passwords, quoting necessary.
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* -DHARDWIRE_VIEWPASSWD=...
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* -DNOPW=1 make -nopw the default (skip warning)
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* -DUSEPW=1 make -usepw the default
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* -DPASSWD_REQUIRED=1 exit unless a password is supplied.
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* -DPASSWD_UNLESS_NOPW=1 exit unless a password is supplied and no -nopw.
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*
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* -DWIREFRAME=0 to have -nowireframe as the default.
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* -DWIREFRAME_COPYRECT=0 to have -nowirecopyrect as the default.
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* -DWIREFRAME_PARMS=... set default -wirecopyrect parameters.
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* -DSCROLL_COPYRECT=0 to have -noscrollcopyrect as the default.
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* -DSCROLL_COPYRECT_PARMS=... set default -scrollcopyrect parameters.
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* -DSCALING_COPYRECT=0
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* -DXDAMAGE=0 to have -noxdamage as the default.
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* -DSKIPDUPS=0 to have -noskip_dups as the default or vice versa.
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*
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* -DPOINTER_MODE_DEFAULT={0,1,2,3,4} set default -pointer_mode.
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* -DBOLDLY_CLOSE_DISPLAY=0 to not close X DISPLAY under -rawfb.
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* -DSMALL_FOOTPRINT=1 for smaller binary size (no help, no gui, etc)
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* use 2 or 3 for even smaller footprint.
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* -DNOGUI do not include the gui tkx11vnc.
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* -DSKIP_HELP=1 smaller.
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* -DSKIP_XKB=1 a little smaller.
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* -DSKIP_8to24=1 a little smaller.
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* -DPOLL_8TO24_DELAY=N
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* -DDEBUG_XEVENTS=1 enable printout for X events.
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*
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* Set these in CPPFLAGS before running configure. E.g.:
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*
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* % env CPPFLAGS="-DFOREVER -DREMOTE_CONTROL=0" ./configure
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* % make
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*/
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/*
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* This can be used to disable the remote control mechanism.
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*/
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#ifndef REMOTE_CONTROL
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#define REMOTE_CONTROL 1
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#endif
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#ifndef XINERAMA
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#define XINERAMA 1
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#endif
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#ifndef NOPW
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#define NOPW 0
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#endif
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#ifndef USEPW
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#define USEPW 0
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#endif
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#ifndef PASSWD_REQUIRED
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#define PASSWD_REQUIRED 0
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#endif
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#ifndef PASSWD_UNLESS_NOPW
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#define PASSWD_UNLESS_NOPW 0
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#endif
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/*
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* Beginning of support for small binary footprint build for embedded
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* systems, PDA's etc. It currently just cuts out the low-hanging
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* fruit (large text passages). Set to 2, 3 to cut out some of the
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* more esoteric extensions. More tedious is to modify LDFLAGS in the
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* Makefile to not link against the extension libraries... but that
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* should be done too (manually for now).
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*
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* If there is interest more of the bloat can be removed... Currently
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* these shrink the binary from 500K to about 270K.
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*/
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#ifndef SMALL_FOOTPRINT
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#define SMALL_FOOTPRINT 0
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#endif
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#ifndef SKIP_XKB
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#define SKIP_XKB 0
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#endif
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#ifndef SKIP_8TO24
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#define SKIP_8TO24 0
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#endif
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#ifndef SKIP_HELP
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#define SKIP_HELP 0
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#endif
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#if SMALL_FOOTPRINT
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#undef NOGUI
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#define NOGUI
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#undef SKIP_HELP
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#define SKIP_HELP 1
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#endif
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#if (SMALL_FOOTPRINT > 1)
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#undef SKIP_XKB
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#undef SKIP_8TO24
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#undef LIBVNCSERVER_HAVE_LIBXINERAMA
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#undef LIBVNCSERVER_HAVE_LIBXFIXES
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#undef LIBVNCSERVER_HAVE_LIBXDAMAGE
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#define SKIP_XKB 1
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#define SKIP_8TO24 1
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#define LIBVNCSERVER_HAVE_LIBXINERAMA 0
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#define LIBVNCSERVER_HAVE_LIBXFIXES 0
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#define LIBVNCSERVER_HAVE_LIBXDAMAGE 0
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#endif
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#if (SMALL_FOOTPRINT > 2)
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#undef LIBVNCSERVER_HAVE_UTMPX_H
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#undef LIBVNCSERVER_HAVE_PWD_H
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#undef REMOTE_CONTROL
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#define LIBVNCSERVER_HAVE_UTMPX_H 0
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#define LIBVNCSERVER_HAVE_PWD_H 0
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#define REMOTE_CONTROL 0
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#endif
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/*
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* Not recommended unless you know what you are getting into, but if you
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* define the HARDWIRE_PASSWD or HARDWIRE_VIEWPASSWD variables here or in
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* CPPFLAGS you can set a default -passwd and -viewpasswd string values,
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* perhaps this would be better than nothing on an embedded system, etc.
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* These default values will be overridden by the command line.
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* We don't even give an example ;-)
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*/
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/****************************************************************************/
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/* Extensions and related includes: */
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#if LIBVNCSERVER_HAVE_XSHM
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# if defined(__hpux) && defined(__ia64) /* something weird on hp/itanic */
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# undef _INCLUDE_HPUX_SOURCE
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# endif
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#include <sys/ipc.h>
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#include <sys/shm.h>
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#include <X11/extensions/XShm.h>
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#endif
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#include <dirent.h>
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#if LIBVNCSERVER_HAVE_XTEST
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#include <X11/extensions/XTest.h>
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#endif
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extern int xtest_base_event_type;
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#if LIBVNCSERVER_HAVE_LIBXTRAP
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#define NEED_EVENTS
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#define NEED_REPLIES
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#include <X11/extensions/xtraplib.h>
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#include <X11/extensions/xtraplibp.h>
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extern XETC *trap_ctx;
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#endif
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extern int xtrap_base_event_type;
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#if LIBVNCSERVER_HAVE_RECORD
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#include <X11/Xproto.h>
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#include <X11/extensions/record.h>
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#endif
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#if LIBVNCSERVER_HAVE_XKEYBOARD
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#include <X11/XKBlib.h>
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#endif
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#if LIBVNCSERVER_HAVE_LIBXINERAMA
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#include <X11/extensions/Xinerama.h>
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#endif
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#if LIBVNCSERVER_HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#include <netdb.h>
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#ifndef _AIX
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extern int h_errno;
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#endif
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#if LIBVNCSERVER_HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#include <netinet/tcp.h>
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#include <arpa/inet.h>
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#endif
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/* XXX autoconf */
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#if LIBVNCSERVER_HAVE_PWD_H
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#include <pwd.h>
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#endif
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#if LIBVNCSERVER_HAVE_SYS_WAIT_H
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#include <sys/wait.h>
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#endif
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#if LIBVNCSERVER_HAVE_UTMPX_H
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#include <utmpx.h>
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#endif
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#if LIBVNCSERVER_HAVE_MMAP
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#include <sys/mman.h>
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#endif
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/*
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* overlay/multi-depth screen reading support
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* undef SOLARIS_OVERLAY or IRIX_OVERLAY if there are problems building.
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*/
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/* solaris/sun */
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#if defined (__SVR4) && defined (__sun)
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# define SOLARIS
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# ifdef LIBVNCSERVER_HAVE_SOLARIS_XREADSCREEN
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# define SOLARIS_OVERLAY
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# define OVERLAY_OS
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# endif
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#endif
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#ifdef SOLARIS_OVERLAY
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#include <X11/extensions/transovl.h>
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#endif
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/* irix/sgi */
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#if defined(__sgi)
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# define IRIX
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# ifdef LIBVNCSERVER_HAVE_IRIX_XREADDISPLAY
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# define IRIX_OVERLAY
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# define OVERLAY_OS
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# endif
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#endif
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/*
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* For reference, the OS header defines:
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__SVR4 && __sun is solaris
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__sgi
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__hpux
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__osf__
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__OpenBSD__
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__FreeBSD__
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__NetBSD__
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__linux__
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_AIX
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*/
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#ifdef IRIX_OVERLAY
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#include <X11/extensions/readdisplay.h>
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#endif
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extern int overlay_present;
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#if LIBVNCSERVER_HAVE_LIBXRANDR
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#include <X11/extensions/Xrandr.h>
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#endif
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extern int xrandr_base_event_type;
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#if LIBVNCSERVER_HAVE_LIBXFIXES
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#include <X11/extensions/Xfixes.h>
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#endif
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extern int xfixes_base_event_type;
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#if LIBVNCSERVER_HAVE_LIBXDAMAGE
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#include <X11/extensions/Xdamage.h>
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#endif
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extern int xdamage_base_event_type;
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extern char lastmod[];
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/* X display info */
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extern Display *dpy; /* the single display screen we connect to */
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extern int scr;
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extern Window window, rootwin; /* polled window, root window (usu. same) */
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extern Visual *default_visual; /* the default visual (unless -visual) */
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extern int bpp, depth;
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extern int indexed_color;
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extern int dpy_x, dpy_y; /* size of display */
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extern int off_x, off_y; /* offsets for -sid */
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extern int wdpy_x, wdpy_y; /* for actual sizes in case of -clip */
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extern int cdpy_x, cdpy_y, coff_x, coff_y; /* the -clip params */
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extern int button_mask; /* button state and info */
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extern int button_mask_prev;
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extern int num_buttons;
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/* image structures */
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extern XImage *scanline;
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extern XImage *fullscreen;
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extern XImage **tile_row; /* for all possible row runs */
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extern XImage *fb0;
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extern XImage *snaprect; /* for XShmGetImage (fs_factor) */
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extern XImage *snap; /* the full snap fb */
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extern XImage *raw_fb_image; /* the raw fb */
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#if !LIBVNCSERVER_HAVE_XSHM
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/*
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* for simplicity, define this struct since we'll never use them
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* under using_shm = 0.
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*/
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typedef struct {
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int shmid; char *shmaddr; Bool readOnly;
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} XShmSegmentInfo;
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#endif
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/* corresponding shm structures */
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extern XShmSegmentInfo scanline_shm;
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extern XShmSegmentInfo fullscreen_shm;
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extern XShmSegmentInfo *tile_row_shm; /* for all possible row runs */
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extern XShmSegmentInfo snaprect_shm;
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/* rfb screen info */
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extern rfbScreenInfoPtr screen;
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extern char *rfb_desktop_name;
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extern char *http_dir;
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extern char vnc_desktop_name[];
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extern char *main_fb; /* our copy of the X11 fb */
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extern char *rfb_fb; /* same as main_fb unless transformation */
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extern char *fake_fb; /* used under -padgeom */
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extern char *snap_fb; /* used under -snapfb */
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extern char *cmap8to24_fb; /* used under -8to24 */
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extern char *raw_fb;
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extern char *raw_fb_addr;
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extern int raw_fb_offset;
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extern int raw_fb_shm;
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extern int raw_fb_mmap;
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extern int raw_fb_seek;
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extern int raw_fb_fd;
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extern int rfb_bytes_per_line;
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extern int main_bytes_per_line;
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extern unsigned long main_red_mask, main_green_mask, main_blue_mask;
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extern unsigned short main_red_max, main_green_max, main_blue_max;
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extern unsigned short main_red_shift, main_green_shift, main_blue_shift;
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/* scaling parameters */
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extern char *scale_str;
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extern double scale_fac;
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extern int scaling;
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extern int scaling_blend; /* for no blending option (very course) */
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extern int scaling_nomult4; /* do not require width = n * 4 */
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extern int scaling_pad; /* pad out scaled sizes to fit denominator */
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extern int scaling_interpolate; /* use interpolation scheme when shrinking */
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extern int scaled_x, scaled_y; /* dimensions of scaled display */
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extern int scale_numer, scale_denom; /* n/m */
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/* scale cursor */
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extern char *scale_cursor_str;
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extern double scale_cursor_fac;
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extern int scaling_cursor;
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extern int scaling_cursor_blend;
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extern int scaling_cursor_interpolate;
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extern int scale_cursor_numer, scale_cursor_denom;
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/* size of the basic tile unit that is polled for changes: */
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extern int tile_x;
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extern int tile_y;
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extern int ntiles, ntiles_x, ntiles_y;
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/* arrays that indicate changed or checked tiles. */
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extern unsigned char *tile_has_diff, *tile_tried, *tile_copied;
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extern unsigned char *tile_has_xdamage_diff, *tile_row_has_xdamage_diff;
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/* times of recent events */
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extern time_t last_event, last_input, last_client;
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extern time_t last_keyboard_input, last_pointer_input;
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extern time_t last_fb_bytes_sent;
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extern double last_keyboard_time;
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extern double last_pointer_time;
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extern double last_pointer_click_time;
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extern double last_pointer_motion_time;
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extern double last_key_to_button_remap_time;
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extern double last_copyrect;
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extern double last_copyrect_fix;
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extern double servertime_diff;
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extern double x11vnc_start;
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/* last client to move pointer */
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extern rfbClientPtr last_pointer_client;
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extern int client_count;
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extern int clients_served;
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/* more transient kludge variables: */
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extern int cursor_x, cursor_y; /* x and y from the viewer(s) */
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extern int button_change_x, button_change_y;
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extern int got_user_input;
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extern int got_pointer_input;
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extern int got_pointer_calls;
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extern int got_keyboard_input;
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extern int got_keyboard_calls;
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extern int urgent_update;
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extern int last_keyboard_keycode;
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extern rfbBool last_rfb_down;
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extern rfbBool last_rfb_key_accepted;
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extern rfbKeySym last_rfb_keysym;
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extern double last_rfb_keytime;
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extern int fb_copy_in_progress;
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extern int drag_in_progress;
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extern int shut_down;
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extern int do_copy_screen;
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extern time_t damage_time;
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extern int damage_delay;
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extern int program_pid;
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extern char *program_name;
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extern char *program_cmdline;
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extern struct utsname UT;
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typedef struct hint {
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/* location x, y, height, and width of a change-rectangle */
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/* (grows as adjacent horizontal tiles are glued together) */
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int x, y, w, h;
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} hint_t;
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/* struct with client specific data: */
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#define CILEN 10
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typedef struct _ClientData {
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int uid;
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char *hostname;
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char *username;
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char *unixname;
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int client_port;
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int server_port;
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char *server_ip;
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char input[CILEN];
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int login_viewonly;
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time_t login_time;
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pid_t ssl_helper_pid;
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int had_cursor_shape_updates;
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int had_cursor_pos_updates;
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double timer;
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double send_cmp_rate;
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double send_raw_rate;
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double latency;
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int cmp_bytes_sent;
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int raw_bytes_sent;
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} ClientData;
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#include "params.h"
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#include "enums.h"
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#include "options.h"
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#include "util.h"
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#endif /* _X11VNC_X11VNC_H */
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