diff --git a/classes/ssl/ssl_vncviewer b/classes/ssl/ssl_vncviewer
index 28c07e06a29d0c011a7b81af0fa622ad43e2695b..4c431a25c492fd3ee750f718526fb6b57859a55c 100755
--- a/classes/ssl/ssl_vncviewer
+++ b/classes/ssl/ssl_vncviewer
@@ -30,9 +30,19 @@
# to reach the VNC server (e.g. your firewall requires a proxy).
# For the "double proxy" case use -proxy host1:port1,host2:port2
#
+# A couple other args (not related to certs):
+#
+# -alpha turn on cursor alphablending hack if you are using the
+# enhanced tightvnc vncviewer.
+#
+# -grab turn on XGrabServer hack if you are using the enhanced tightvnc
+# vncviewer (e.g. for fullscreen mode in some windowmanagers like
+# fvwm that do not otherwise work in fullscreen mode)
+#
#
# set VNCVIEWERCMD to whatever vncviewer command you want to use:
#
+VNCIPCMD=${VNCVIEWERCMD:-vncip}
VNCVIEWERCMD=${VNCVIEWERCMD:-vncviewer}
#
# Same for STUNNEL, e.g. /path/to/stunnel or stunnel4, etc.
@@ -53,6 +63,8 @@ help() {
head -39 $0 | tail +2
}
+gotalpha=""
+
# grab our cmdline options:
while [ "X$1" != "X" ]
do
@@ -63,6 +75,10 @@ do
;;
"-proxy") shift; proxy="$1"
;;
+ "-alpha") gotalpha=1
+ ;;
+ "-grab") VNCVIEWER_GRAB_SERVER=1; export VNCVIEWER_GRAB_SERVER
+ ;;
"-h"*) help; exit 0
;;
*) break
@@ -71,16 +87,26 @@ do
shift
done
+if [ "X$gotalpha" != "X1" ]; then
+ NO_ALPHABLEND=1
+ export NO_ALPHABLEND
+fi
+
orig="$1"
shift
# play around with host:display port:
-if ! echo "$orig" | grep ':' > /dev/null; then
+if echo "$orig" | grep ':' > /dev/null; then
+ :
+else
orig="$orig:0"
fi
host=`echo "$orig" | awk -F: '{print $1}'`
disp=`echo "$orig" | awk -F: '{print $2}'`
+if [ "X$host" = "X" ]; then
+ host=localhost
+fi
if [ $disp -lt 200 ]; then
port=`expr $disp + 5900`
else
@@ -99,7 +125,9 @@ if [ "x$inuse" != "x" ]; then
try=5920
while [ $try -lt 6000 ]
do
- if ! echo "$inuse" | grep -w $try > /dev/null; then
+ if echo "$inuse" | grep -w $try > /dev/null; then
+ :
+ else
use=$try
break
fi
@@ -305,7 +333,7 @@ fi
if echo "$0" | grep vncip > /dev/null; then
# hack for runge's special wrapper script vncip.
- vncip "$@" localhost:$n
+ $VNCIPCMD "$@" localhost:$n
else
$VNCVIEWERCMD "$@" localhost:$n
fi
diff --git a/x11vnc/ChangeLog b/x11vnc/ChangeLog
index 5aaff8f5525f659a4e454d17c9f94e1ef7697ed1..7764383c9d456119367d6c87ce0c1203d66b8de1 100644
--- a/x11vnc/ChangeLog
+++ b/x11vnc/ChangeLog
@@ -1,3 +1,7 @@
+2006-07-28 Karl Runge <runge@karlrunge.com>
+ * ssl_vncviewer: remove some bashisms.
+ * x11vnc: -rotate option (e.g. handheld), fix FPE on tru64.
+
2006-07-17 Karl Runge <runge@karlrunge.com>
* x11vnc: enable --without-x builds for -rawfb only (NO_X11)
diff --git a/x11vnc/README b/x11vnc/README
index bb2f99c0604c24ca0d09bd6a008dbce7b8ec87e7..6ad6e2e9f6d3ea2c4a773622da7e73c20e89e015 100644
--- a/x11vnc/README
+++ b/x11vnc/README
@@ -1,5 +1,5 @@
-x11vnc README file Date: Mon Jul 17 09:29:19 EDT 2006
+x11vnc README file Date: Fri Jul 28 15:40:45 EDT 2006
The following information is taken from these URLs:
@@ -429,7 +429,9 @@ $MAKE
In general you can use the "make -e" trick if you don't like
libvncserver's choice of AM_CFLAGS. See the [64]build scripts below
- for more ideas.
+ for more ideas. Scripts similar to the above have been shown to work
+ with vendor C compilers on HP-UX (ccom: HP92453-01) and Tru64 (Compaq
+ C V6.5-011).
You can find information on [65]Misc. Build problems here.
@@ -596,66 +598,75 @@ make
[71]here. Please kick the tires and report bugs, performance
regressions, undesired behavior, etc. to [72]me.
+ To aid testing of the [73]built-in SSL support for x11vnc, a number of
+ packages for Unix and Windows have been created that provide SSL
+ Support for the TightVNC Viewer (this is done by [74]wrapper scripts
+ that start STUNNEL, [75]more details here) It should be pretty
+ convenient for SSL connections. A number of other features where added
+ to TightVNC Viewer (e.g. rfbNewFBSize resizing support). It is
+ described and can be downloaded from [76]here.
+
Here are some features that appeared in the 0.8.2 release:
* Linux console framebuffer keystroke and mouse insertion is now
supported by the uinput linux device driver. This enables full
interaction with non-X applications on the Linux console (e.g.
Qt-embedded/Qtopia-Core apps). This will be autodetected in:
- [73]-rawfb console mode, and can be forced on via: [74]-pipeinput
+ [77]-rawfb console mode, and can be forced on via: [78]-pipeinput
UINPUT
- * The [75]-display WAIT:... option extends the normal [76]-display
+ * The [79]-display WAIT:... option extends the normal [80]-display
option by having x11vnc wait until a VNC viewer connects before
attaching to an X display. A command can also be supplied that
will determine the DISPLAY and XAUTHORITY data. A default one is
built-in for WAIT:cmd=FINDDISPLAY. Coupling this with "-unixpw
-users unixpw=" (available in beta version) provides a way to
allow a user to login with their UNIX password and have their
- display connected to [77]automatically.
- * The [78]-grabkdb and [79]-grabptr options allow some degree of
+ display connected to [81]automatically.
+ * The [82]-grabkdb and [83]-grabptr options allow some degree of
grabbing the pointer and keyboard so local users cannot perform
input (e.g. remote helpdesk application).
* More new options:
- + [80]-allowedcmds to fine-tune which external commands may be
+ + [84]-allowedcmds to fine-tune which external commands may be
run by x11vnc, rather than shutting them all off with
- [81]-nocmds,
- + [82]-env VAR=VALUE convenience option to avoid the need of
+ [85]-nocmds,
+ + [86]-env VAR=VALUE convenience option to avoid the need of
setting environment variables before starting x11vnc,
- + [83]-allinput option to enable libvncserver
+ + [87]-allinput option to enable libvncserver
handleEventsEagerly parameter,
- + [84]-rawfb rand fun/testing option using /dev/urandom as a
+ + [88]-rawfb rand fun/testing option using /dev/urandom as a
fb,
- + [85]-license print license, copying, warranty information.
+ + [89]-license print license, copying, warranty information.
Here are some features that will appear in the 0.8.3 release:
- * The [86]-ssl option provides SSL encryption and authentication
- natively via the [87]www.openssl.org library. One can use from a
+ * The [90]-ssl option provides SSL encryption and authentication
+ natively via the [91]www.openssl.org library. One can use from a
simple self-signed certificate server certificate up to full CA
and client certificate authentication schemes.
- * The [88]-stunnel option starts up a SSL tunnel server stunnel
+ * The [92]-stunnel option starts up a SSL tunnel server stunnel
(that must be installed separately on the system:
- [89]www.stunnel.org) to allow only encrypted SSL connections from
+ [93]www.stunnel.org) to allow only encrypted SSL connections from
the network.
- * The [90]-sslverify option allows for authenticating VNC clients
+ * The [94]-sslverify option allows for authenticating VNC clients
via their certificates in either -ssl or -stunnel modes.
* An SSL enabled Java applet VNC Viewer applet is provided in
classes/ssl/VncViewer.jar. It may also be loaded into the web
browser via https (http over SSL) in addition to http. (via the
- VNC port or also by the separate [91]-https port option). A
- wrapper shell script [92]ssl_vncviewer is also provided that sets
+ VNC port or also by the separate [95]-https port option). A
+ wrapper shell script [96]ssl_vncviewer is also provided that sets
up a stunnel client-side tunnel on Unix systems.
- * The [93]-unixpw option supports Unix username and password
- authentication (a variant is the [94]-unixpw_nis option that works
- in NIS environments). The [95]-ssl or [96]-localhost +
- [97]-stunnel options are enforced in this mode to prevent password
- sniffing. As a convenience, the -ssl or -stunnel requirements are
- lifted if a SSH tunnel can be deduced (but -localhost still
- applies). Coupling -unixpw with "-display WAIT:cmd=FINDDISPLAY"
- provides a way to allow a user to login with their UNIX password
- and have their display connected to [98]automatically.
-
- Here are some [99]previous release notes
+ * The [97]-unixpw option supports Unix username and password
+ authentication (a variant is the [98]-unixpw_nis option that works
+ in NIS environments). The [99]-ssl or [100]-localhost +
+ [101]-stunnel options are enforced in this mode to prevent
+ password sniffing. As a convenience, the -ssl or -stunnel
+ requirements are lifted if a SSH tunnel can be deduced (but
+ -localhost still applies). Coupling -unixpw with "-display
+ WAIT:cmd=FINDDISPLAY" provides a way to allow a user to login with
+ their UNIX password and have their display connected to
+ [102]automatically.
+
+ Here are some [103]previous release notes
_________________________________________________________________
Some Notes:
@@ -682,11 +693,11 @@ make
protocol.) I suggest using xsetroot, dtstyle or similar utility to set
a solid background while using x11vnc. You can turn the pretty
background image back on when you are using the display directly.
- Update: As of Feb/2005 x11vnc has the [100]-solid [color] option that
+ Update: As of Feb/2005 x11vnc has the [104]-solid [color] option that
works on recent GNOME, KDE, and CDE and also on classic X (background
image is on the root window).
- I also find the [101]TightVNC encoding gives the best response for my
+ I also find the [105]TightVNC encoding gives the best response for my
usage (Unix <-> Unix over cable modem). One needs a tightvnc-aware
vncviewer to take advantage of this encoding.
@@ -698,16 +709,16 @@ make
is X11's default listening port). Had port 5900 been taken by some
other application, x11vnc would have next tried 5901. That would mean
the viewer command above should be changed to vncviewer
- far-away.east:1. You can force the port with the "[102]-rfbport NNNN"
+ far-away.east:1. You can force the port with the "[106]-rfbport NNNN"
option where NNNN is the desired port number. If that port is already
taken, x11vnc will exit immediately. (also see the "SunRay Gotcha"
note below)
Options: x11vnc has (far too) many features that may be activated
- via its [103]command line options. Useful options are, e.g., -scale to
+ via its [107]command line options. Useful options are, e.g., -scale to
do server-side scaling, and -rfbauth passwd-file to use VNC password
protection (the vncpasswd or storepasswd programs, or the x11vnc
- [104]-storepasswd option can be used to create the password file).
+ [108]-storepasswd option can be used to create the password file).
Algorithm: How does x11vnc do it? Rather brute-forcedly: it
continuously polls the X11 framebuffer for changes using
@@ -734,7 +745,7 @@ make
first testing out the programs. You get an interesting
recursive/feedback effect where vncviewer images keep popping up each
one contained in the previous one and slightly shifted a bit by the
- window manager decorations. There will be an [105]even more
+ window manager decorations. There will be an [109]even more
interesting effect if -scale is used. Also, if the XKEYBOARD is
supported and the XBell "beeps" once, you get an infinite loop of
beeps going off. Although all of this is mildly exciting it is not
@@ -744,8 +755,8 @@ make
Sun Ray Notes:
- You can run x11vnc on your (connected or disconnected) [106]SunRay
- session. Here are some [107]notes on SunRay usage with x11vnc.
+ You can run x11vnc on your (connected or disconnected) [110]SunRay
+ session. Here are some [111]notes on SunRay usage with x11vnc.
_________________________________________________________________
@@ -757,7 +768,7 @@ make
than you normally do to minimize the effects (e.g. do fullpage
paging rather than line-by-line scrolling, and move windows in a
single, quick motion). Recent work has provided the
- [108]-scrollcopyrect and [109]-wireframe speedups using the
+ [112]-scrollcopyrect and [113]-wireframe speedups using the
CopyRect VNC encoding and other things, but they only speed up
certain activities, not all.
* A rate limiting factor for x11vnc performance is that video
@@ -804,14 +815,14 @@ make
it may be of use for special purpose applications.
Also, a faster and more accurate way is to use the "dummy"
XFree86/Xorg device driver (or our Xdummy wrapper script). See
- [110]this FAQ for details.
+ [114]this FAQ for details.
* Somewhat surprisingly, the X11 mouse (cursor) shape is write-only
and cannot be queried from the X server. So traditionally in
x11vnc the cursor shape stays fixed at an arrow. (see the "-cursor
- X" and "-cursor some" [111]options, however, for a partial hack
+ X" and "-cursor some" [115]options, however, for a partial hack
for the root window, etc.). However, on Solaris using the SUN_OVL
overlay extension, x11vnc can show the correct mouse cursor when
- the [112]-overlay option is also supplied. A similar thing is done
+ the [116]-overlay option is also supplied. A similar thing is done
on IRIX as well when -overlay is supplied.
More generally, as of Dec/2004 x11vnc supports the new XFIXES
extension (in Xorg and Solaris 10) to query the X server for the
@@ -819,18 +830,18 @@ make
with transparency (alpha channel) need to approximated to solid
RGB values (some cursors look worse than others).
* Audio from applications is of course not redirected (separate
- redirectors do exist, e.g. esd [113]the FAQ on this below.) The
+ redirectors do exist, e.g. esd [117]the FAQ on this below.) The
XBell() "beeps" will work if the X server supports the XKEYBOARD
extension. (Note that on Solaris XKEYBOARD is disabled by default.
Passing +kb to Xsun enables it).
- * The scroll detection algorithm for the [114]-scrollcopyrect option
+ * The scroll detection algorithm for the [118]-scrollcopyrect option
can give choppy or bunched up transient output and occasionally
painting errors.
* Using -threads can expose some bugs in libvncserver.
- Please feel free to [115]contact me if you have any questions,
+ Please feel free to [119]contact me if you have any questions,
problems, or comments about x11vnc, etc.
- Also, some people ask if they can make a donation, see [116]this link
+ Also, some people ask if they can make a donation, see [120]this link
for that.
_________________________________________________________________
@@ -839,327 +850,331 @@ make
[Building and Starting]
- [117]Q-1: I can't get x11vnc to start up. It says "XOpenDisplay failed
+ [121]Q-1: I can't get x11vnc to start up. It says "XOpenDisplay failed
(null)" or "Xlib: connection to ":0.0" refused by server Xlib: No
protocol specified" and then exits. What do I need to do?
- [118]Q-2: I can't get x11vnc and/or libvncserver to compile.
+ [122]Q-2: I can't get x11vnc and/or libvncserver to compile.
- [119]Q-3: I just built x11vnc successfully, but when I use it my
+ [123]Q-3: I just built x11vnc successfully, but when I use it my
keystrokes and mouse button clicks are ignored (I am able to move the
mouse though).
- [120]Q-4: Help, I need to run x11vnc on Solaris 2.5.1 (or other old
+ [124]Q-4: Help, I need to run x11vnc on Solaris 2.5.1 (or other old
Unix/Linux) and it doesn't compile!
- [121]Q-5: Where can I get a precompiled x11vnc binary for my Operating
+ [125]Q-5: Where can I get a precompiled x11vnc binary for my Operating
System?
- [122]Q-6: Where can I get a VNC Viewer binary (or source code) for the
+ [126]Q-6: Where can I get a VNC Viewer binary (or source code) for the
Operating System I will be viewing from?
- [123]Q-7: How can I see all of x11vnc's command line options and
+ [127]Q-7: How can I see all of x11vnc's command line options and
documentation on how to use them?
- [124]Q-8: I don't like typing arcane command line options every time I
+ [128]Q-8: I don't like typing arcane command line options every time I
start x11vnc. What can I do? Is there a config file? Or a GUI?
- [125]Q-9: How can I get the GUI to run in the System Tray, or at least
+ [129]Q-9: How can I get the GUI to run in the System Tray, or at least
be a smaller, simpler icon?
- [126]Q-10: Can I make x11vnc more quiet and also go into the
+ [130]Q-10: Can I make x11vnc more quiet and also go into the
background after starting up?
- [127]Q-11: Sometimes when a VNC viewer dies abruptly, x11vnc also dies
+ [131]Q-11: Sometimes when a VNC viewer dies abruptly, x11vnc also dies
with the error message like: "Broken pipe". I'm using the -forever
mode and I want x11vnc to keep running.
- [128]Q-12: Are there any build-time customizations possible, e.g.
+ [132]Q-12: Are there any build-time customizations possible, e.g.
change defaults, create a smaller binary, etc?
[Win2VNC Related]
- [129]Q-13: I have two separate machine displays in front of me, one
+ [133]Q-13: I have two separate machine displays in front of me, one
Windows the other X11: can I use x11vnc in combination with Win2VNC in
dual-screen mode to pass the keystrokes and mouse motions to the X11
display?
- [130]Q-14: I am running Win2VNC on my Windows machine and "x11vnc
+ [134]Q-14: I am running Win2VNC on my Windows machine and "x11vnc
-nofb" on Unix to pass keyboard and mouse to the Unix monitor.
Whenever I start Win2VNC it quickly disconnects and x11vnc says:
rfbProcessClientNormalMessage: read: Connection reset by peer
[Color Issues]
- [131]Q-15: The X display I run x11vnc on is only 8 bits per pixel
+ [135]Q-15: The X display I run x11vnc on is only 8 bits per pixel
(bpp) PseudoColor (i.e. only 256 distinct colors). The x11vnc colors
may start out OK, but after a while they are incorrect in certain
windows.
- [132]Q-16: Color problems: Why are the colors for some windows
+ [136]Q-16: Color problems: Why are the colors for some windows
incorrect in x11vnc? BTW, my X display has nice overlay/multi-depth
visuals of different color depths: e.g. there are both depth 8 and 24
visuals available at the same time.
- [133]Q-17: How do I figure out the window id to supply to the -id
+ [137]Q-17: How do I figure out the window id to supply to the -id
windowid option?
- [134]Q-18: Why don't menus or other transient windows come up when I
+ [138]Q-18: Why don't menus or other transient windows come up when I
am using the -id windowid option to view a single application window?
- [135]Q-19: My X display is depth 24 at 24bpp (instead of the normal
+ [139]Q-19: My X display is depth 24 at 24bpp (instead of the normal
depth 24 at 32bpp). I'm having lots of color and visual problems with
x11vnc and/or vncviewer. What's up?
[Xterminals]
- [136]Q-20: Can I use x11vnc to view and interact with an Xterminal
+ [140]Q-20: Can I use x11vnc to view and interact with an Xterminal
(e.g. NCD) that is not running UNIX and so x11vnc cannot be run on it
directly?
- [137]Q-21: How do I get my X permissions (MIT-MAGIC-COOKIE file)
+ [141]Q-21: How do I get my X permissions (MIT-MAGIC-COOKIE file)
correct for a Unix/Linux machine acting as an Xterminal?
[Sun Rays]
- [138]Q-22: I'm having trouble using x11vnc with my Sun Ray session.
+ [142]Q-22: I'm having trouble using x11vnc with my Sun Ray session.
[Remote Control]
- [139]Q-23: How do I stop x11vnc once it is running in the background?
+ [143]Q-23: How do I stop x11vnc once it is running in the background?
- [140]Q-24: Can I change settings in x11vnc without having to restart
+ [144]Q-24: Can I change settings in x11vnc without having to restart
it? Can I remote control it?
[Security and Permissions]
- [141]Q-25: How do I create a VNC password for use with x11vnc?
+ [145]Q-25: How do I create a VNC password for use with x11vnc?
- [142]Q-26: Can I make it so -storepasswd doesn't show my password on
+ [146]Q-26: Can I make it so -storepasswd doesn't show my password on
the screen?
- [143]Q-27: Can I have two passwords for VNC viewers, one for full
+ [147]Q-27: Can I have two passwords for VNC viewers, one for full
access and the other for view-only access to the display?
- [144]Q-28: Can I have as many full-access and view-only passwords as I
+ [148]Q-28: Can I have as many full-access and view-only passwords as I
like?
- [145]Q-29: Does x11vnc support Unix usernames and passwords? Can I
+ [149]Q-29: Does x11vnc support Unix usernames and passwords? Can I
further limit the set of Unix usernames who can connect to the VNC
desktop?
- [146]Q-30: Why does x11vnc exit as soon as the VNC viewer disconnects?
+ [150]Q-30: Why does x11vnc exit as soon as the VNC viewer disconnects?
And why doesn't it allow more than one VNC viewer to connect at the
same time?
- [147]Q-31: Can I limit which machines incoming VNC clients can connect
+ [151]Q-31: Can I limit which machines incoming VNC clients can connect
from?
- [148]Q-32: How do I build x11vnc/libvncserver with libwrap
+ [152]Q-32: How do I build x11vnc/libvncserver with libwrap
(tcp_wrappers) support?
- [149]Q-33: Can I have x11vnc only listen on one network interface
+ [153]Q-33: Can I have x11vnc only listen on one network interface
(e.g. internal LAN) rather than having it listen on all network
interfaces and relying on -allow to filter unwanted connections out?
- [150]Q-34: Now that -localhost implies listening only on the loopback
+ [154]Q-34: Now that -localhost implies listening only on the loopback
interface, how I can occasionally allow in a non-localhost via the -R
allowonce remote control command?
- [151]Q-35: Can I fine tune what types of user input are allowed? E.g.
+ [155]Q-35: Can I fine tune what types of user input are allowed? E.g.
have some users just be able to move the mouse, but not click or type
anything?
- [152]Q-36: Can I prompt the user at the local X display whether the
+ [156]Q-36: Can I prompt the user at the local X display whether the
incoming VNC client should be accepted or not? Can I decide to make
some clients view-only? How about running an arbitrary program to make
the decisions?
- [153]Q-37: I start x11vnc as root because it is launched via inetd(8)
+ [157]Q-37: I start x11vnc as root because it is launched via inetd(8)
or a display manager like gdm(1). Can I have x11vnc later switch to a
different user?
- [154]Q-38: I use a screen-lock when I leave my workstation (e.g.
+ [158]Q-38: I use a screen-lock when I leave my workstation (e.g.
xscreensaver or xlock). When I remotely access my workstation desktop
via x11vnc I can unlock the desktop fine, but I am worried people will
see my activities on the physical monitor. What can I do to prevent
this, or at least make it more difficult?
- [155]Q-39: Can I have x11vnc automatically lock the screen when I
+ [159]Q-39: Can I have x11vnc automatically lock the screen when I
disconnect the VNC viewer?
[Encrypted Connections]
- [156]Q-40: How can I tunnel my connection to x11vnc via an encrypted
+ [160]Q-40: How can I tunnel my connection to x11vnc via an encrypted
SSH channel between two Unix machines?
- [157]Q-41: How can I tunnel my connection to x11vnc via an encrypted
+ [161]Q-41: How can I tunnel my connection to x11vnc via an encrypted
SSH channel from Windows using an SSH client like Putty?
- [158]Q-42: How can I tunnel my connection to x11vnc via an encrypted
+ [162]Q-42: How can I tunnel my connection to x11vnc via an encrypted
SSL channel using an external tool like stunnel?
- [159]Q-43: Does x11vnc have built-in SSL tunneling?
+ [163]Q-43: Does x11vnc have built-in SSL tunneling?
- [160]Q-44: How do I use VNC Viewers with built-in SSL tunneling?
+ [164]Q-44: How do I use VNC Viewers with built-in SSL tunneling?
- [161]Q-45: How do I use VNC Viewers with built-in SSL tunneling when
+ [165]Q-45: How do I use VNC Viewers with built-in SSL tunneling when
going through a Web Proxy?
- [162]Q-46: Can Apache web server act as a gateway for users to connect
+ [166]Q-46: Can Apache web server act as a gateway for users to connect
via SSL from the Internet with a Web browser to x11vnc running on
their workstations behind a firewall?
- [163]Q-47: Can I create and use my own SSL Certificate Authority (CA)
+ [167]Q-47: Can I create and use my own SSL Certificate Authority (CA)
with x11vnc?
[Display Managers and Services]
- [164]Q-48: How can I run x11vnc as a "service" that is always
+ [168]Q-48: How can I run x11vnc as a "service" that is always
available?
- [165]Q-49: How can I use x11vnc to connect to an X login screen like
+ [169]Q-49: How can I use x11vnc to connect to an X login screen like
xdm, GNOME gdm, KDE kdm, or CDE dtlogin? (i.e. nobody is logged into
an X session yet).
- [166]Q-50: Can I run x11vnc out of inetd(8)? How about xinetd(8)?
+ [170]Q-50: Can I run x11vnc out of inetd(8)? How about xinetd(8)?
- [167]Q-51: Can I have x11vnc allow a user to log in with her UNIX
+ [171]Q-51: Can I have x11vnc allow a user to log in with her UNIX
password and then have it find her X display on that machine and
connect to it?
- [168]Q-52: Can I have x11vnc restart itself after it terminates?
+ [172]Q-52: Can I have x11vnc restart itself after it terminates?
- [169]Q-53: How do I make x11vnc work with the Java VNC viewer applet
+ [173]Q-53: How do I make x11vnc work with the Java VNC viewer applet
in a web browser?
- [170]Q-54: Are reverse connections (i.e. the VNC server connecting to
+ [174]Q-54: Are reverse connections (i.e. the VNC server connecting to
the VNC viewer) using "vncviewer -listen" and vncconnect(1) supported?
- [171]Q-55: Can I use x11vnc as a replacement for Xvnc? (i.e. not for a
+ [175]Q-55: Can I use x11vnc as a replacement for Xvnc? (i.e. not for a
real display, but for a virtual one I keep around).
- [172]Q-56: How can I use x11vnc on "headless" machines? Why might I
+ [176]Q-56: How can I use x11vnc on "headless" machines? Why might I
want to?
[Resource Usage and Performance]
- [173]Q-57: I have lots of memory, but why does x11vnc fail with
+ [177]Q-57: I have lots of memory, but why does x11vnc fail with
shmget: No space left on device or Minor opcode of failed
request: 1 (X_ShmAttach)?
- [174]Q-58: How can I make x11vnc use less system resources?
+ [178]Q-58: How can I make x11vnc use less system resources?
- [175]Q-59: How can I make x11vnc use MORE system resources?
+ [179]Q-59: How can I make x11vnc use MORE system resources?
- [176]Q-60: I use x11vnc over a slow link with high latency (e.g.
+ [180]Q-60: I use x11vnc over a slow link with high latency (e.g.
dialup modem), is there anything I can do to speed things up?
- [177]Q-61: Does x11vnc support the X DAMAGE Xserver extension to find
+ [181]Q-61: Does x11vnc support the X DAMAGE Xserver extension to find
modified regions of the screen quickly and efficiently?
- [178]Q-62: When I drag windows around with the mouse or scroll up and
+ [182]Q-62: When I drag windows around with the mouse or scroll up and
down things really bog down (unless I do the drag in a single, quick
motion). Is there anything to do to improve things?
- [179]Q-63: Why not do something like wireframe animations to avoid the
+ [183]Q-63: Why not do something like wireframe animations to avoid the
windows "lurching" when being moved or resized?
- [180]Q-64: Can x11vnc try to apply heuristics to detect when a window
+ [184]Q-64: Can x11vnc try to apply heuristics to detect when a window
is scrolling its contents and use the CopyRect encoding for a speedup?
[Mouse Cursor Shapes]
- [181]Q-65: Why isn't the mouse cursor shape (the little icon shape
+ [185]Q-65: Why isn't the mouse cursor shape (the little icon shape
where the mouse pointer is) correct as I move from window to window?
- [182]Q-66: When using XFIXES cursorshape mode, some of the cursors
+ [186]Q-66: When using XFIXES cursorshape mode, some of the cursors
look really bad with extra black borders around the cursor and other
cruft. How can I improve their appearance?
- [183]Q-67: In XFIXES mode, are there any hacks to handle cursor
+ [187]Q-67: In XFIXES mode, are there any hacks to handle cursor
transparency ("alpha channel") exactly?
[Mouse Pointer]
- [184]Q-68: Why does the mouse arrow just stay in one corner in my
+ [188]Q-68: Why does the mouse arrow just stay in one corner in my
vncviewer, whereas my cursor (that does move) is just a dot?
- [185]Q-69: Can I take advantage of the TightVNC extension to the VNC
+ [189]Q-69: Can I take advantage of the TightVNC extension to the VNC
protocol where Cursor Positions Updates are sent back to all connected
clients (i.e. passive viewers can see the mouse cursor being moved
around by another viewer)?
- [186]Q-70: Is it possible to swap the mouse buttons (e.g. left-handed
+ [190]Q-70: Is it possible to swap the mouse buttons (e.g. left-handed
operation), or arbitrarily remap them? How about mapping button clicks
to keystrokes, e.g. to partially emulate Mouse wheel scrolling?
[Keyboard Issues]
- [187]Q-71: How can I get my AltGr and Shift modifiers to work between
+ [191]Q-71: How can I get my AltGr and Shift modifiers to work between
keyboards for different languages?
- [188]Q-72: When I try to type a "<" (i.e. less than) instead I get ">"
+ [192]Q-72: When I try to type a "<" (i.e. less than) instead I get ">"
(i.e. greater than)! Strangely, typing ">" works OK!!
- [189]Q-73: When I try to type a "<" (i.e. less than) instead I get
+ [193]Q-73: When I try to type a "<" (i.e. less than) instead I get
"<," (i.e. an extra comma).
- [190]Q-74: I'm using an "international" keyboard (e.g. German "de", or
+ [194]Q-74: I'm using an "international" keyboard (e.g. German "de", or
Danish "dk") and the -modtweak mode works well if the VNC viewer is
run on a Unix/Linux machine with a similar keyboard. But if I run
the VNC viewer on Unix/Linux with a different keyboard (e.g. "us") or
Windows with any keyboard, I can't type some keys like: "@", "$",
"<", ">", etc. How can I fix this?
- [191]Q-75: When typing I sometimes get double, triple, or more of my
+ [195]Q-75: When typing I sometimes get double, triple, or more of my
keystrokes repeated. I'm sure I only typed them once, what can I do?
- [192]Q-76: The x11vnc -norepeat mode is in effect, but I still get
+ [196]Q-76: The x11vnc -norepeat mode is in effect, but I still get
repeated keystrokes!!
- [193]Q-77: The machine where I run x11vnc has an AltGr key, but the
+ [197]Q-77: The machine where I run x11vnc has an AltGr key, but the
local machine where I run the VNC viewer does not. Is there a way I
can map a local unused key to send an AltGr? How about a Compose key
as well?
- [194]Q-78: I have a Sun machine I run x11vnc on. Its Sun keyboard has
+ [198]Q-78: I have a Sun machine I run x11vnc on. Its Sun keyboard has
just one Alt key labelled "Alt" and two Meta keys labelled with little
diamonds. The machine where I run the VNC viewer only has Alt keys.
How can I send a Meta keypress? (e.g. emacs needs this)
- [195]Q-79: Can I map a keystroke to a mouse button click on the remote
+ [199]Q-79: Can I map a keystroke to a mouse button click on the remote
machine?
- [196]Q-80: How can I get Caps_Lock to work between my VNC viewer and
+ [200]Q-80: How can I get Caps_Lock to work between my VNC viewer and
x11vnc?
[Screen Related Issues and Features]
- [197]Q-81: The remote display is larger (in number of pixels) than the
+ [201]Q-81: The remote display is larger (in number of pixels) than the
local display I am running the vncviewer on. I don't like the
vncviewer scrollbars, what I can do?
- [198]Q-82: Does x11vnc support server-side framebuffer scaling? (E.g.
+ [202]Q-82: Does x11vnc support server-side framebuffer scaling? (E.g.
to make the desktop smaller).
- [199]Q-83: Does x11vnc work with Xinerama? (i.e. multiple monitors
+ [203]Q-83: Does x11vnc work with Xinerama? (i.e. multiple monitors
joined together to form one big, single screen).
- [200]Q-84: Can I use x11vnc on a multi-headed display that is not
+ [204]Q-84: Can I use x11vnc on a multi-headed display that is not
Xinerama (i.e. separate screens :0.0, :0.1, ... for each monitor)?
- [201]Q-85: Can x11vnc show only a portion of the display? (E.g. for a
+ [205]Q-85: Can x11vnc show only a portion of the display? (E.g. for a
special purpose rfb application).
- [202]Q-86: Does x11vnc support the XRANDR (X Resize, Rotate and
+ [206]Q-86: Does x11vnc support the XRANDR (X Resize, Rotate and
Reflection) extension? Whenever I rotate or resize the screen x11vnc
just seems to crash.
- [203]Q-87: Why is the view in my VNC viewer completely black? Or why
+ [207]Q-87: Independent of any XRANDR, can I have x11vnc rotate and/or
+ reflect the screen that the VNC viewers see? (e.g. for a handheld
+ whose screen is rotated 90 degrees).
+
+ [208]Q-88: Why is the view in my VNC viewer completely black? Or why
is everything flashing around randomly?
- [204]Q-88: I use Linux Virtual Consoles (VC's) to implement 'Fast User
+ [209]Q-89: I use Linux Virtual Consoles (VC's) to implement 'Fast User
Switching' between users' sessions (e.g. Betty is on Ctrl-Alt-F7,
Bobby is on Ctrl-Alt-F8, and Sid is on Ctrl-Alt-F1: they use those
keystrokes to switch between their sessions). How come the view in a
@@ -1167,45 +1182,45 @@ make
otherwise all messed up unless the X session x11vnc is attached to is
in the active VC?
- [205]Q-89: I am using x11vnc where my local machine has "popup/hidden
+ [210]Q-90: I am using x11vnc where my local machine has "popup/hidden
taskbars" (e.g. GNOME or MacOS X) and the remote display where x11vnc
runs also has "popup/hidden taskbars" (e.g. GNOME). When I move the
mouse to the edge of the screen where the popups happen, the taskbars
interfere and fight with each other in strange ways. What can I do?
- [206]Q-90: Can I use x11vnc to view my VMWare session remotely?
+ [211]Q-91: Can I use x11vnc to view my VMWare session remotely?
- [207]Q-91: Can non-X devices (e.g. a raw framebuffer) be viewed (and
+ [212]Q-92: Can non-X devices (e.g. a raw framebuffer) be viewed (and
even controlled) via VNC with x11vnc?
- [208]Q-92: Can I export via VNC a Webcam or TV tuner framebuffer using
+ [213]Q-93: Can I export via VNC a Webcam or TV tuner framebuffer using
x11vnc?
- [209]Q-93: Can I connect via VNC to a Qt-embedded/Qtopia application
+ [214]Q-94: Can I connect via VNC to a Qt-embedded/Qtopia application
running on my handheld or PC using the Linux console framebuffer (i.e.
not X11)?
- [210]Q-94: Now that non-X11 devices can be exported via VNC using
+ [215]Q-95: Now that non-X11 devices can be exported via VNC using
x11vnc, can I build it with no dependencies on X11 header files and
libraries?
- [211]Q-95: Can I use x11vnc to record a Shock Wave Flash (or other
+ [216]Q-96: Can I use x11vnc to record a Shock Wave Flash (or other
format) video of my desktop, e.g. to record a tutorial or demo?
[Misc: Clipboard, File Transfer, Sound, Beeps, Thanks, etc.]
- [212]Q-96: Does the Clipboard/Selection get transferred between the
+ [217]Q-97: Does the Clipboard/Selection get transferred between the
vncviewer and the X display?
- [213]Q-97: Can I transfer files back and forth with x11vnc?
+ [218]Q-98: Can I transfer files back and forth with x11vnc?
- [214]Q-98: How can I hear the sound (audio) from the remote
+ [219]Q-99: How can I hear the sound (audio) from the remote
applications on the desktop I am viewing via x11vnc?
- [215]Q-99: Why don't I hear the "Beeps" in my X session (e.g. when
+ [220]Q-100: Why don't I hear the "Beeps" in my X session (e.g. when
typing tput bel in an xterm)?
- [216]Q-100: Thanks for your program and for your help! Can I make a
+ [221]Q-101: Thanks for your program and for your help! Can I make a
donation?
_________________________________________________________________
@@ -1218,7 +1233,7 @@ make
For the former error, you need to specify the X display to connect to
(it also needs to be on the same machine the x11vnc process is to run
- on). Set your DISPLAY environment variable or use the [217]-display
+ on). Set your DISPLAY environment variable or use the [222]-display
option to specify it. Nearly always the correct value will be ":0" (in
fact, x11vnc will now assume :0 if given no other information).
@@ -1235,12 +1250,13 @@ make
working when you try to start x11vnc via, say, a remote shell.
How to Solve: See the xauth(1), Xsecurity(7), and xhost(1) man pages
- for much info on X11 permissions. For example, you may need to set
- your XAUTHORITY environment variable or use the [218]-auth option to
- point to the correct MIT-MAGIC-COOKIE file (e.g. /home/joe/.Xauthority
- or /var/gdm/:0.Xauth or /var/lib/kdm/A:0-crWk72K or /tmp/.gdmzndVlR,
- etc.), or simply be sure you run x11vnc as the correct user (i.e. the
- user who is logged into the X session you wish to view).
+ or [223]this Howto for much info on X11 permissions. For example, you
+ may need to set your XAUTHORITY environment variable or use the
+ [224]-auth option to point to the correct MIT-MAGIC-COOKIE file (e.g.
+ /home/joe/.Xauthority or /var/gdm/:0.Xauth or /var/lib/kdm/A:0-crWk72K
+ or /tmp/.gdmzndVlR, etc.), or simply be sure you run x11vnc as the
+ correct user (i.e. the user who is logged into the X session you wish
+ to view).
Note: The MIT cookie file contains the secret key that allows x11vnc
to connect to the desired X display.
@@ -1258,7 +1274,7 @@ make
x11vnc -display :0 -auth /var/gdm/:0.Xauth
(this is for the display manager gdm and requires root permission to
- read the gdm cookie file, see [219]this faq for other display manager
+ read the gdm cookie file, see [225]this faq for other display manager
cookie file names). While running x11vnc as root, remember it comes
with no warranty ;-).
@@ -1268,7 +1284,7 @@ make
(from the same machine). The person could then type "xhost -localhost"
after x11vnc has connected to go back to the default permissions.
Also, for some situations the "-users lurk=" option may be of use
- (please read the documentation on the [220]-users option).
+ (please read the documentation on the [226]-users option).
To test out your X11 permissions from a remote shell, set DISPLAY and
possibly XAUTHORITY (see your shell's man page, bash(1), tcsh(1), on
@@ -1380,7 +1396,7 @@ h
earlier and perhaps non-Solaris):
First use the environment settings (CPPFLAGS, LDFLAGS, etc.) in the
- above [221]Solaris build script to run the configure command. That
+ above [227]Solaris build script to run the configure command. That
should succeed without failure. Then you have to hand edit the
autogenerated rfb/rfbconfig.h file in the source tree, and just before
the last #endif at the bottom of that file insert these workaround
@@ -1406,7 +1422,7 @@ typedef unsigned int in_addr_t;
on other older OS (Solaris, Linux, ...) releases.
Here are some notes for similar steps that need to be done to build on
- [222]SunOS 4.x
+ [228]SunOS 4.x
Please let us know if you had to use the above workaround (and whether
it worked or not). If there is enough demand we will try to push clean
@@ -1416,28 +1432,28 @@ typedef unsigned int in_addr_t;
Q-5: Where can I get a precompiled x11vnc binary for my Operating
System?
- Hopefully the [223]build steps above and [224]FAQ provide enough info
+ Hopefully the [229]build steps above and [230]FAQ provide enough info
for a painless compile for most environments. Please report problems
with the x11vnc configure, make, etc. on your system (if your system
is known to compile other GNU packages successfully).
There are precompiled x11vnc binaries built by other groups that are
available at the following locations:
- Debian: (.deb) [225]http://packages.debian.org/x11vnc
-
- Slackware: (.tgz) [226]http://www.linuxpackages.net/ Redhat/Fedora:
- (.rpm) [227]http://dag.wieers.com/packages/x11vnc/
- [228]http://dries.ulyssis.org/rpm/packages/x11vnc SuSE: (.rpm)
- [229]http://linux01.gwdg.de/~pbleser/ Solaris: (pkg)
- [230]http://www.sunfreeware.com/ FreeBSD: (.tbz)
- [231]http://www.freebsd.org/ [232]http://www.freshports.org/net/x11vnc
- OpenBSD: (.tgz) [233]http://www.openbsd.org/ NetBSD: (src)
- [234]http://pkgsrc.se/x11/x11vnc Nokia 770 (.deb)
- [235]http://mike.saunby.net/770/x11vnc/ Sharp Zaurus
- [236]http://www.pdaxrom.org/ and [237]http://www.focv.com/
+ Debian: (.deb) [231]http://packages.debian.org/x11vnc
+
+ Slackware: (.tgz) [232]http://www.linuxpackages.net/ Redhat/Fedora:
+ (.rpm) [233]http://dag.wieers.com/packages/x11vnc/
+ [234]http://dries.ulyssis.org/rpm/packages/x11vnc SuSE: (.rpm)
+ [235]http://linux01.gwdg.de/~pbleser/ Solaris: (pkg)
+ [236]http://www.sunfreeware.com/ FreeBSD: (.tbz)
+ [237]http://www.freebsd.org/ [238]http://www.freshports.org/net/x11vnc
+ OpenBSD: (.tgz) [239]http://www.openbsd.org/ NetBSD: (src)
+ [240]http://pkgsrc.se/x11/x11vnc Nokia 770 (.deb)
+ [241]http://mike.saunby.net/770/x11vnc/ Sharp Zaurus
+ [242]http://www.pdaxrom.org/ and [243]http://www.focv.com/
If the above binaries don't work and building x11vnc on your OS fails
- (and all else fails!) you can try one of [238]my collection of
+ (and all else fails!) you can try one of [244]my collection of
binaries for various OS's and x11vnc releases.
As a general note, the x11vnc program is simple enough you don't
@@ -1458,10 +1474,10 @@ typedef unsigned int in_addr_t;
To obtain VNC viewers for the viewing side (Windows, Mac OS, or Unix)
try here:
- * [239]http://www.tightvnc.com/download.html
- * [240]http://www.realvnc.com/download-free.html
- * [241]http://sourceforge.net/projects/cotvnc/
- * [242]http://www.ultravnc.com/
+ * [245]http://www.tightvnc.com/download.html
+ * [246]http://www.realvnc.com/download-free.html
+ * [247]http://sourceforge.net/projects/cotvnc/
+ * [248]http://www.ultravnc.com/
Q-7: How can I see all of x11vnc's command line options and
@@ -1469,7 +1485,7 @@ typedef unsigned int in_addr_t;
Run: x11vnc -opts to list just the option names or run: x11vnc
-help for long descriptions about each option. The output is listed
- [243]here as well. Yes, x11vnc does have a lot of options, doesn't
+ [249]here as well. Yes, x11vnc does have a lot of options, doesn't
it...
@@ -1501,10 +1517,10 @@ display :0
program is needed for operation. The gui is not particularly
user-friendly, it just provides a point and click mode to set all the
many x11vnc parameters and obtain help on them. It is also very useful
- for testing. See the [244]-gui option for more info. Examples: "x11vnc
+ for testing. See the [250]-gui option for more info. Examples: "x11vnc
... -gui" and "x11vnc ... -gui other:0" in the latter case the gui is
displayed on other:0, not the X display x11vnc is polling. There is
- also a "[245]-gui tray" system tray mode.
+ also a "[251]-gui tray" system tray mode.
Q-9: How can I get the GUI to run in the System Tray, or at least be a
@@ -1531,11 +1547,11 @@ display :0
Q-10: Can I make x11vnc more quiet and also go into the background
after starting up?
- Use the [246]-q and [247]-bg options, respectively. (also: -quiet is
+ Use the [252]-q and [253]-bg options, respectively. (also: -quiet is
an alias for -q)
Note that under -bg the stderr messages will be lost unless you use
- the "[248]-o logfile" option.
+ the "[254]-o logfile" option.
Q-11: Sometimes when a VNC viewer dies abruptly, x11vnc also dies with
@@ -1556,7 +1572,7 @@ display :0
There are some options. They are enabled by adding something like
-Dxxxx=1 to the CPPFLAGS environment variable before running configure
- (see the [249]build notes for general background).
+ (see the [255]build notes for general background).
/*
* Mar/2006
* Build-time customization via CPPFLAGS.
@@ -1627,21 +1643,21 @@ display :0
dual-screen mode to pass the keystrokes and mouse motions to the X11
display?
- Yes, for best response start up x11vnc with the "[250]-nofb" option
+ Yes, for best response start up x11vnc with the "[256]-nofb" option
(disables framebuffer polling, and does other optimizations) on the
secondary display (X11) machine. Then start up Win2VNC on the primary
display (Windows) referring it to the secondary display.
- This will also work X11 to X11 using [251]x2vnc, however you would
+ This will also work X11 to X11 using [257]x2vnc, however you would
probably just want to avoid VNC and use x2x for that.
For reference, here are some links to Win2VNC-like programs for
multiple monitor setups:
- * [252]Original Win2VNC
- * [253]Enhanced Win2VNC and [254]sourceforge link
- * [255]x2vnc
- * [256]x2x also [257]here
- * [258]zvnc (MorphOS)
+ * [258]Original Win2VNC
+ * [259]Enhanced Win2VNC and [260]sourceforge link
+ * [261]x2vnc
+ * [262]x2x also [263]here
+ * [264]zvnc (MorphOS)
All of them will work with x11vnc (except x2x where it is not needed).
@@ -1661,7 +1677,7 @@ display :0
on your display to be depth 24 TrueColor? Sun machines often have 8+24
overlay/multi-depth visuals, and you can make the default visual depth
24 TrueColor (see fbconfig(1) and Xsun(1)). 2) As of Feb/2004 x11vnc
- has the [259]-visual option to allow you to force the framebuffer
+ has the [265]-visual option to allow you to force the framebuffer
visual to whatever you want (this usually messes up the colors unless
you are very clever). In this case, the option provides a convenient
workaround for the Win2VNC bug:
@@ -1676,7 +1692,7 @@ display :0
PseudoColor (i.e. only 256 distinct colors). The x11vnc colors may
start out OK, but after a while they are incorrect in certain windows.
- Use the [260]-flashcmap option to have x11vnc watch for changes in the
+ Use the [266]-flashcmap option to have x11vnc watch for changes in the
colormap, and propagate those changes back to connected clients. This
can be slow (since the whole screen must be updated over the network
whenever the colormap changes). This flashing colormap behavior often
@@ -1685,13 +1701,13 @@ display :0
example of this. Consider reconfiguring the system to 16 bpp or depth
24 TrueColor if at all possible.
- Also note the option [261]-8to24 (Jan/2006) can often remove the need
+ Also note the option [267]-8to24 (Jan/2006) can often remove the need
for flashing the colormap. Everything is dynamically transformed to
depth 24 at 32 bpp using the colormaps. There may be painting errors
however (see the following FAQ for tips on reducing and correcting
them).
- In some rare cases the [262]-notruecolor option has corrected colors
+ In some rare cases the [268]-notruecolor option has corrected colors
on 8bpp displays. The red, green, and blue masks were non-zero in 8bpp
PseudoColor on an obscure setup, and this option corrected the
problems.
@@ -1702,13 +1718,13 @@ display :0
different color depths: e.g. there are both depth 8 and 24 visuals
available at the same time.
- You may want to review the [263]previous question regarding 8 bpp
+ You may want to review the [269]previous question regarding 8 bpp
PseudoColor.
- On some hardware (Sun/SPARC and SGI), the [264]-overlay option
+ On some hardware (Sun/SPARC and SGI), the [270]-overlay option
discussed a couple paragraphs down may solve this for you (you may
want to skip to it directly). On other hardware the less robust
- [265]-8to24 option may help (also discussed below).
+ [271]-8to24 option may help (also discussed below).
Run xdpyinfo(1) to see what the default visual is and what the depths
of the other visuals are. Does the default visual have a depth of 8
@@ -1744,7 +1760,7 @@ TrueColor defdepth 24
The -overlay mode: Another option is if the system with overlay
visuals is a Sun system running Solaris or SGI running IRIX you can
- use the [266]-overlay x11vnc option (Aug/2004) to have x11vnc use the
+ use the [272]-overlay x11vnc option (Aug/2004) to have x11vnc use the
Solaris XReadScreen(3X11) function to poll the "true view" of the
whole screen at depth 24 TrueColor. XReadDisplay(3X11) is used on
IRIX. This is useful for Legacy applications (older versions of
@@ -1769,7 +1785,7 @@ TrueColor defdepth 24
Xsun, e.g. in your /etc/dt/config/Xservers file).
- The -8to24 mode: The [267]-8to24 x11vnc option (Jan/2006) is a kludge
+ The -8to24 mode: The [273]-8to24 x11vnc option (Jan/2006) is a kludge
to try to dynamically rewrite the pixel values so that the 8bpp part
of the screen is mapped onto depth 24 TrueColor. This is less robust
than the -overlay mode because it is done by x11vnc outside of the X
@@ -1783,11 +1799,11 @@ TrueColor defdepth 24
32bpp view is exported via VNC.
Even on pure 8bpp displays it can be used as an alternative to
- [268]-flashcmap to avoid color flashing completely.
+ [274]-flashcmap to avoid color flashing completely.
This scheme is approximate and can often lead to painting errors. You
can manually correct most painting errors by pressing 3 Alt_L's in a
- row, or by using something like: [269]-fixscreen V=3.0 to
+ row, or by using something like: [275]-fixscreen V=3.0 to
automatically refresh the screen every 3 seconds. Also -fixscreen
8=3.0 has been added to just refresh the non-default visual parts of
the screen.
@@ -1800,23 +1816,23 @@ TrueColor defdepth 24
nogetimage can give a nice speedup if the default depth 24 X server
supports hiding the 8bpp bits in bits 25-32 of the framebuffer data.
On very slow machines -8to24 poll=0.2,cachewin=5.0 gives an useful
- speedup. See the [270]-8to24 help description for information on
+ speedup. See the [276]-8to24 help description for information on
tunable parameters, etc.
Colors still not working correctly? Run xwininfo on the application
with the incorrect colors to verify that the depth of its visual is
different from the default visual depth (gotten from xdpyinfo). One
- possible workaround in this case is to use the [271]-id option to
+ possible workaround in this case is to use the [277]-id option to
point x11vnc at the application window itself. If the application is
complicated (lots of toplevel windows and popup menus) this may not be
acceptable, and may even crash x11vnc (but not the application).
It is theoretically possible to solve this problem in general (see
xwd(1) for example), but it does not seem trivial or sufficiently fast
- for x11vnc to be able to do so in real time. The [272]-8to24 method
+ for x11vnc to be able to do so in real time. The [278]-8to24 method
does this approximately and is somewhat usable. Fortunately the
- [273]-overlay option works for Solaris machines with overlay visuals
+ [279]-overlay option works for Solaris machines with overlay visuals
where most of this problem occurs.
@@ -1827,9 +1843,9 @@ TrueColor defdepth 24
the desired application window. After clicking, it will print out much
information, including the window id (e.g. 0x6000010). Also, the
visual and depth of the window printed out is often useful in
- debugging x11vnc [274]color problems.
+ debugging x11vnc [280]color problems.
- Also, as of Dec/2004 you can use "[275]-id pick" to have x11vnc run
+ Also, as of Dec/2004 you can use "[281]-id pick" to have x11vnc run
xwininfo(1) for you and after you click the window it extracts the
windowid. Besides "pick" there is also "id:root" to allow you to go
back to root window when doing remote-control.
@@ -1847,7 +1863,7 @@ TrueColor defdepth 24
you should be able to see these transient windows.
If things are not working and you still want to do the single window
- polling, try the [276]-sid windowid option ("shifted" windowid).
+ polling, try the [282]-sid windowid option ("shifted" windowid).
Q-19: My X display is depth 24 at 24bpp (instead of the normal depth
@@ -1882,7 +1898,7 @@ TrueColor defdepth 24
handle 24bpp from the server, so you may want to use those. They
evidently request 32 bpp and libvncserver obliges.
- Update: as of Apr/2006 you can use the [277]-24to32 option to have
+ Update: as of Apr/2006 you can use the [283]-24to32 option to have
x11vnc dynamically transform the 24bpp pixel data to 32bpp. This extra
transformation could slow things down further however.
@@ -1901,15 +1917,15 @@ TrueColor defdepth 24
since you will be polling the X display over the network as opposed to
over the local hardware. To do this, run x11vnc on a UNIX machine as
close as possible network-wise (e.g. same switch) to the Xterminal
- machine. Use the [278]-display option to point the display to that of
+ machine. Use the [284]-display option to point the display to that of
the Xterminal (you'll of course need basic X11 permission to do that)
- and finally supply the [279]-noshm option (this enables the polling
+ and finally supply the [285]-noshm option (this enables the polling
over the network).
The response will likely be sluggish (maybe only one "frame" per
second). This mode is not recommended except for "quick checks" of
hard to get to X servers. Use something like "-wait 150" to cut down
- on the polling rate. You may also need [280]-flipbyteorder if the
+ on the polling rate. You may also need [286]-flipbyteorder if the
colors get messed up due to endian byte order differences.
Q-21: How do I get my X permissions (MIT-MAGIC-COOKIE file) correct
@@ -1933,7 +1949,7 @@ TrueColor defdepth 24
copied to the Xterminal. If $HOME/.Xauthority is exported via NFS
(this is insecure of course, but has been going on for decades), then
x11vnc can simply pick it up via NFS (you may need to use the
- [281]-auth option to point to the correct file). Other options include
+ [287]-auth option to point to the correct file). Other options include
copying the auth file using scp, or something like:
central-server> xauth nextract - xterm123:0 | ssh xterm123 xauth nmerge -
@@ -1945,7 +1961,7 @@ TrueColor defdepth 24
details.
If the display name in the cookie file needs to be changed between the
- two hosts, see [282]this note on the "xauth add ..." command.
+ two hosts, see [288]this note on the "xauth add ..." command.
A less secure option is to run something like "xhost +127.0.0.1" while
sitting at the Xterminal box to allow cookie-free local access for
@@ -1959,7 +1975,7 @@ TrueColor defdepth 24
occasional app more efficiently locally on the Xterminal box (e.g.
realplayer).
- Not recommended, but as a last resort, you could have x11vnc [283]poll
+ Not recommended, but as a last resort, you could have x11vnc [289]poll
the Xterminal Display over the network. For this you would run a
"x11vnc -noshm ..." process on the central-server (and hope the
network admin doesn't get angry...)
@@ -1988,13 +2004,13 @@ TrueColor defdepth 24
Q-22: I'm having trouble using x11vnc with my Sun Ray session.
- The [284]Sun Ray technology is a bit like "VNC done in hardware" (the
+ The [290]Sun Ray technology is a bit like "VNC done in hardware" (the
Sun Ray terminal device, DTU, playing the role of the vncviewer).
Completely independent of that, the SunRay user's session is still an
X server that speaks the X11 protocol and so x11vnc simply talks to
the X server part to export the SunRay desktop to any place in the
world (i.e. not only to a Sun Ray terminal device), creating a sort of
- "Soft Ray". Please see [285]this discussion of Sun Ray issues for
+ "Soft Ray". Please see [291]this discussion of Sun Ray issues for
solutions to problems.
[Remote Control]
@@ -2002,18 +2018,18 @@ TrueColor defdepth 24
Q-23: How do I stop x11vnc once it is running in the background?
As of Dec/2004 there is a remote control feature. It can change a huge
- amount of things on the fly: see the [286]-remote and [287]-query
+ amount of things on the fly: see the [292]-remote and [293]-query
options. To shut down the running x11vnc server just type "x11vnc -R
stop". To disconnect all clients do "x11vnc -R disconnect:all", etc.
- If the [288]-forever option has not been supplied, x11vnc will
+ If the [294]-forever option has not been supplied, x11vnc will
automatically exit after the first client disconnects. In general if
you cannot use the remote control, then you will have to kill the
x11vnc process This can be done via: "kill NNNNN" (where NNNNN is the
x11vnc process id number found from ps(1)), or "pkill x11vnc", or
"killall x11vnc" (Linux only).
- If you have not put x11vnc in the background via the [289]-bg option
+ If you have not put x11vnc in the background via the [295]-bg option
or shell & operator, then simply press Ctrl-C in the shell where
x11vnc is running to stop it.
@@ -2023,15 +2039,15 @@ TrueColor defdepth 24
down state in the Xserver. Tapping the stuck key (either via a new
x11vnc or at the physical console) will release it from the stuck
state. If the keyboard seems to be acting strangely it is often fixed
- by tapping Ctrl, Shift, and Alt. Alternatively, the [290]-clear_mods
- option and [291]-clear_keys option can be used to release pressed keys
+ by tapping Ctrl, Shift, and Alt. Alternatively, the [296]-clear_mods
+ option and [297]-clear_keys option can be used to release pressed keys
at startup and exit.
Q-24: Can I change settings in x11vnc without having to restart it?
Can I remote control it?
- Look at the [292]-remote (same as -R) and [293]-query (same as -Q)
+ Look at the [298]-remote (same as -R) and [299]-query (same as -Q)
options added in Dec/2004. They allow nearly everything to be changed
dynamically and settings to be queried. Examples: "x11vnc -R shared",
"x11vnc -R forever", "x11vnc -R scale:3/4", "x11vnc -Q modtweak",
@@ -2042,7 +2058,7 @@ TrueColor defdepth 24
correctly for communication to be possible.
There is also a simple Tcl/Tk gui based on this remote control
- mechanism. See the [294]-gui option for more info. You will need to
+ mechanism. See the [300]-gui option for more info. You will need to
have Tcl/Tk (i.e. /usr/bin/wish) installed for it to work. It can also
run in the system tray: "-gui tray" or as a standalone icon window:
"-gui icon".
@@ -2057,12 +2073,12 @@ TrueColor defdepth 24
vncpasswd(1) program from those packages.
As of Jun/2004 x11vnc supports the -storepasswd "pass" "file"
- [295]option, which is the same functionality of storepasswd. Be sure
+ [301]option, which is the same functionality of storepasswd. Be sure
to quote the "pass" if it contains shell meta characters, spaces, etc.
Example:
x11vnc -storepasswd 'sword*fish' $HOME/myvncpasswd
- You then use the password via the x11vnc option: "[296]-rfbauth
+ You then use the password via the x11vnc option: "[302]-rfbauth
$HOME/myvncpasswd"
As of Jan/2006 if you do not supply any arguments:
@@ -2074,11 +2090,11 @@ TrueColor defdepth 24
~/.mypass", the password you are prompted for will be stored in that
file.
- x11vnc also has the [297]-passwdfile and -passwd/-viewpasswd plain
+ x11vnc also has the [303]-passwdfile and -passwd/-viewpasswd plain
text (i.e. not obscured like the -rfbauth VNC passwords) password
options.
- You can use the [298]-usepw option to automatically use any password
+ You can use the [304]-usepw option to automatically use any password
file you have in ~/.vnc/passwd or ~/.vnc/passwdfile (the latter is
used with the -passwdfile option).
@@ -2110,14 +2126,14 @@ TrueColor defdepth 24
Q-27: Can I have two passwords for VNC viewers, one for full access
and the other for view-only access to the display?
- Yes, as of May/2004 there is the [299]-viewpasswd option to supply the
- view-only password. Note the full-access password option [300]-passwd
+ Yes, as of May/2004 there is the [305]-viewpasswd option to supply the
+ view-only password. Note the full-access password option [306]-passwd
must be supplied at the same time. E.g.: -passwd sword -viewpasswd
fish.
To avoid specifying the passwords on the command line (where they
could be observed via the ps(1) command by any user) you can use the
- [301]-passwdfile option to specify a file containing plain text
+ [307]-passwdfile option to specify a file containing plain text
passwords. Presumably this file is readable only by you, and ideally
it is located on the machine x11vnc is run on (to avoid being snooped
on over the network). The first line of this file is the full-access
@@ -2125,7 +2141,7 @@ TrueColor defdepth 24
it is taken as the view-only password. (use "__EMPTY__" to supply an
empty one).
- View-only passwords currently do not work for the [302]-rfbauth
+ View-only passwords currently do not work for the [308]-rfbauth
password option (standard VNC password storing mechanism). FWIW, note
that although the output (usually placed in $HOME/.vnc/passwd) by the
vncpasswd or storepasswd programs (or from x11vnc -storepasswd) looks
@@ -2138,7 +2154,7 @@ TrueColor defdepth 24
Q-28: Can I have as many full-access and view-only passwords as I
like?
- Yes, as of Jan/2006 in the libvncserver CVS the [303]-passwdfile
+ Yes, as of Jan/2006 in the libvncserver CVS the [309]-passwdfile
option has been extended to handle as many passwords as you like. You
put the view-only passwords after a line __BEGIN_VIEWONLY__.
@@ -2148,7 +2164,7 @@ TrueColor defdepth 24
Q-29: Does x11vnc support Unix usernames and passwords? Can I further
limit the set of Unix usernames who can connect to the VNC desktop?
- Update: as of Feb/2006 x11vnc has the [304]-unixpw option that does
+ Update: as of Feb/2006 x11vnc has the [310]-unixpw option that does
this outside of the VNC protocol and libvncserver. The standard su(1)
program is used to validate the user's password. A familiar "login:"
and "Password:" dialog is presented to the user on a black screen
@@ -2158,7 +2174,7 @@ TrueColor defdepth 24
A list of allowed Unix usernames may also be supplied along with
per-user settings.
- There is also the [305]-unixpw_nis option for non-shadow-password
+ There is also the [311]-unixpw_nis option for non-shadow-password
(typically NIS environments, hence the name) systems where the
traditional getpwnam() and crypt() functions are used instead of
su(1). The encrypted user passwords must be accessible to the user
@@ -2167,11 +2183,11 @@ TrueColor defdepth 24
shadow(5).
Two settings are enforced in the -unixpw and -unixpw_nis modes to
- provide extra security: the 1) [306]-localhost and 2) [307]-stunnel or
- [308]-ssl options. Without these one might send the Unix username and
+ provide extra security: the 1) [312]-localhost and 2) [313]-stunnel or
+ [314]-ssl options. Without these one might send the Unix username and
password data in clear text over the network which is a very bad idea.
They can be relaxed if you want to provide encryption other than
- stunnel or [309]-ssl (the constraint is automatically relaxed if
+ stunnel or [315]-ssl (the constraint is automatically relaxed if
SSH_CONNECTION is set and indicates you have ssh-ed in, however the
-localhost requirement is still enforced).
@@ -2190,13 +2206,13 @@ TrueColor defdepth 24
approximate at best.
One approximate method involves starting x11vnc with the
- [310]-localhost option. This basically requires the viewer user to log
+ [316]-localhost option. This basically requires the viewer user to log
into the workstation where x11vnc is running via their Unix username
and password, and then somehow set up a port redirection of his
vncviewer connection to make it appear to emanate from the local
machine. As discussed above, ssh is useful for this: "ssh -L
5900:localhost:5900 user@hostname ..." See the ssh wrapper scripts
- mentioned [311]elsewhere on this page. [312]stunnel does this as well.
+ mentioned [317]elsewhere on this page. [318]stunnel does this as well.
Of course a malicious user could allow other users to get in through
his channel, but that is a problem with every method. Another thing to
@@ -2207,7 +2223,7 @@ TrueColor defdepth 24
traditional way would be to further require a VNC password to supplied
(-rfbauth, -passwd, etc) and only tell the people allowed in what the
VNC password is. A scheme that avoids a second password involves using
- the [313]-accept option that runs a program to examine the connection
+ the [319]-accept option that runs a program to examine the connection
information to determine which user is connecting from the local
machine. That may be difficult to do, but, for example, the program
could use the ident service on the local machine (normally ident
@@ -2246,15 +2262,15 @@ exit 1 # reject it
These defaults are simple safety measures to avoid someone unknowingly
leaving his X11 desktop exposed (to the internet, say) for long
- periods of time. Use the [314]-forever option (aka -many) to have
+ periods of time. Use the [320]-forever option (aka -many) to have
x11vnc wait for more connections after the first client disconnects.
- Use the [315]-shared option to have x11vnc allow multiple clients to
+ Use the [321]-shared option to have x11vnc allow multiple clients to
connect simultaneously.
- Recommended additional safety measures include using ssh ([316]see
- above), stunnel, [317]-ssl, or a VPN to authenticate and encrypt the
+ Recommended additional safety measures include using ssh ([322]see
+ above), stunnel, [323]-ssl, or a VPN to authenticate and encrypt the
viewer connections or to at least use the -rfbauth passwd-file
- [318]option to use VNC password protection (or [319]-passwdfile) It is
+ [324]option to use VNC password protection (or [325]-passwdfile) It is
up to YOU to apply these security measures, they will not be done for
you automatically.
@@ -2262,7 +2278,7 @@ exit 1 # reject it
Q-31: Can I limit which machines incoming VNC clients can connect
from?
- Yes, look at the [320]-allow and [321]-localhost options to limit
+ Yes, look at the [326]-allow and [327]-localhost options to limit
connections by hostname or IP address. E.g.
x11vnc -allow 192.168.0.1,192.168.0.2
@@ -2274,7 +2290,7 @@ exit 1 # reject it
Note that -localhost achieves the same thing as "-allow 127.0.0.1"
For more control, build libvncserver with libwrap support
- [322](tcp_wrappers) and then use /etc/hosts.allow See hosts_access(5)
+ [328](tcp_wrappers) and then use /etc/hosts.allow See hosts_access(5)
for complete details.
@@ -2294,7 +2310,7 @@ exit 1 # reject it
is "vnc", e.g.:
vnc: 192.168.100.3 .example.com
- Note that if you run x11vnc out of [323]inetd you do not need to build
+ Note that if you run x11vnc out of [329]inetd you do not need to build
x11vnc with libwrap support because the /usr/sbin/tcpd reference in
/etc/inetd.conf handles the tcp_wrappers stuff.
@@ -2303,15 +2319,15 @@ exit 1 # reject it
internal LAN) rather than having it listen on all network interfaces
and relying on -allow to filter unwanted connections out?
- As of Mar/2005 there is the "[324]-listen ipaddr" option that enables
+ As of Mar/2005 there is the "[330]-listen ipaddr" option that enables
this. For ipaddr either supply the desired network interface's IP
address (or use a hostname that resolves to it) or use the string
"localhost". For additional filtering simultaneously use the
- "[325]-allow host1,..." option to allow only specific hosts in.
+ "[331]-allow host1,..." option to allow only specific hosts in.
This option is useful if you want to insure that no one can even begin
a dialog with x11vnc from untrusted network interfaces (e.g. ppp0).
- The option [326]-localhost now implies "-listen localhost" since that
+ The option [332]-localhost now implies "-listen localhost" since that
is what most people expect it to do.
@@ -2319,7 +2335,7 @@ exit 1 # reject it
interface, how I can occasionally allow in a non-localhost via the -R
allowonce remote control command?
- To do this specify "[327]-allow localhost". Unlike [328]-localhost
+ To do this specify "[333]-allow localhost". Unlike [334]-localhost
this will leave x11vnc listening on all interfaces (but of course only
allowing in local connections, e.g. ssh redirs). Then you can later
run "x11vnc -R allowonce:somehost" or use to gui to permit a one-shot
@@ -2330,7 +2346,7 @@ exit 1 # reject it
some users just be able to move the mouse, but not click or type
anything?
- As of Feb/2005, the [329]-input option allows you to do this. "K",
+ As of Feb/2005, the [335]-input option allows you to do this. "K",
"M", "B", and "C" stand for Keystroke, Mouse-motion, Button-clicks,
and Clipboard, respectively. The setting: "-input M" makes attached
viewers only able to move the mouse. "-input KMBC,M" lets normal
@@ -2345,7 +2361,7 @@ exit 1 # reject it
some clients view-only? How about running an arbitrary program to make
the decisions?
- Yes, look at the "[330]-accept command" option, it allows you to
+ Yes, look at the "[336]-accept command" option, it allows you to
specify an external command that is run for each new client. (use
quotes around the command if it contains spaces, etc.). If the
external command returns 0 the client is accepted, otherwise the
@@ -2364,7 +2380,7 @@ exit 1 # reject it
own simple popup window. To accept the client press "y" or click mouse
on the "Yes" button. To reject the client press "n" or click mouse on
the "No" button. To accept the client View-only, press "v" or click
- mouse on the "View" button. If the [331]-viewonly option has been
+ mouse on the "View" button. If the [337]-viewonly option has been
supplied, the "View" action will not be present: the whole display is
view only in that case.
@@ -2380,7 +2396,7 @@ exit 1 # reject it
program to prompt the user whether the client should be accepted or
not. This requires that you have xmessage installed and available via
PATH. In case it is not already on your system, the xmessage program
- is available at [332]ftp://ftp.x.org/
+ is available at [338]ftp://ftp.x.org/
To include view-only decisions for the external commands, prefix the
command something like this: "yes:0,no:*,view:3 mycommand ..." This
@@ -2419,7 +2435,7 @@ elif [ $rc = 4 ]; then
fi
exit 1
- Stefan Radman has written a nice dtksh script [333]dtVncPopup for use
+ Stefan Radman has written a nice dtksh script [339]dtVncPopup for use
in CDE environments to do the same sort of thing. Information on how
to use it is found at the top of the file. He encourages you to
provide feedback to him to help improve the script.
@@ -2428,13 +2444,13 @@ exit 1
popup is being run, so attached clients will not receive screen
updates, etc during this period.
- To run a command when a client disconnects, use the "[334]-gone
+ To run a command when a client disconnects, use the "[340]-gone
command" option. This is for the user's convenience only: the return
code of the command is not interpreted by x11vnc. The same environment
variables are set as in "-accept command" (except that RFB_MODE will
be "gone").
- As of Jan/2006 the "[335]-afteraccept command" option will run the
+ As of Jan/2006 the "[341]-afteraccept command" option will run the
command only after the VNC client has been accepted and authenticated.
Like -gone the return code is not interprted. RFB_MODE will be
"afteraccept").
@@ -2444,7 +2460,7 @@ exit 1
display manager like gdm(1). Can I have x11vnc later switch to a
different user?
- As of Feb/2005 x11vnc has the [336]-users option that allows things
+ As of Feb/2005 x11vnc has the [342]-users option that allows things
like this. Please read the documentation on it (also in the x11vnc
-help output) carefully for features and caveats. It's use can often
decrease security unless care is taken.
@@ -2469,7 +2485,7 @@ exit 1
In any event, as of Jun/2004 there is an experimental utility to make
it more difficult for nosey people to see your x11vnc activities. The
- source for it is [337]blockdpy.c The idea behind it is simple (but
+ source for it is [343]blockdpy.c The idea behind it is simple (but
obviously not bulletproof): when a VNC client attaches to x11vnc put
the display monitor in the DPMS "off" state, if the DPMS state ever
changes immediately start up the screen-lock program. The x11vnc user
@@ -2485,8 +2501,8 @@ exit 1
bulletproof. A really robust solution would likely require X server
and perhaps even video hardware support.
- The blockdpy utility is launched by the [338]-accept option and told
- to exit via the [339]-gone option (the vnc client user should
+ The blockdpy utility is launched by the [344]-accept option and told
+ to exit via the [345]-gone option (the vnc client user should
obviously re-lock the screen before disconnecting!). Instructions can
be found in the source code for the utility at the above link.
@@ -2494,7 +2510,7 @@ exit 1
Q-39: Can I have x11vnc automatically lock the screen when I
disconnect the VNC viewer?
- Yes, a user mentions he uses the [340]-gone option under CDE to run a
+ Yes, a user mentions he uses the [346]-gone option under CDE to run a
screen lock program:
x11vnc -display :0 -forever -gone 'dtaction LockDisplay'
@@ -2503,7 +2519,7 @@ exit 1
x11vnc -display :0 -forever -gone 'kdesktop_lock'
x11vnc -display :0 -forever -gone 'xlock &'
- Here is a scheme using the [341]-afteraccept option (in version 0.7.3)
+ Here is a scheme using the [347]-afteraccept option (in version 0.7.3)
to unlock the screen after the first valid VNC login and to lock the
screen after the last valid VNC login disconnects:
x11vnc -display :0 -forever -shared -afteraccept ./myxlocker -gone ./myxlocke
@@ -2534,7 +2550,7 @@ fi
Q-40: How can I tunnel my connection to x11vnc via an encrypted SSH
channel between two Unix machines?
- See the description earlier on this page on [342]how to tunnel VNC via
+ See the description earlier on this page on [348]how to tunnel VNC via
SSH from Unix to Unix. A number of ways are described along with some
issues you may encounter.
@@ -2545,7 +2561,7 @@ fi
Q-41: How can I tunnel my connection to x11vnc via an encrypted SSH
channel from Windows using an SSH client like Putty?
- [343]Above we described how to tunnel VNC via SSH from Unix to Unix,
+ [349]Above we described how to tunnel VNC via SSH from Unix to Unix,
you may want to review it. To do this from Windows using Putty it
would go something like this:
* In the Putty dialog window under 'Session' enter the hostname or
@@ -2568,8 +2584,8 @@ fi
process in a BAT file including launching the VNC viewer by using the
plink Putty utility. Send us the script if you get that working.
- For extra protection feel free to run x11vnc with the [344]-localhost
- and [345]-rfbauth/[346]-passwdfile options.
+ For extra protection feel free to run x11vnc with the [350]-localhost
+ and [351]-rfbauth/[352]-passwdfile options.
If the machine you SSH into via Putty is not the same machine with the
X display you wish to view (e.g. your company provides incoming SSH
@@ -2577,11 +2593,11 @@ fi
dialog setting to: 'Destination: otherhost:5900', Once logged in,
you'll need to do a second login (ssh or rsh) to the workstation
machine 'otherhost' and then start up x11vnc on it. This can also be
- automated by [347]chaining ssh's.
+ automated by [353]chaining ssh's.
- As discussed [348]above another option is to first start the VNC
+ As discussed [354]above another option is to first start the VNC
viewer in "listen" mode, and then launch x11vnc with the
- "[349]-connect localhost" option to establish the reverse connection.
+ "[355]-connect localhost" option to establish the reverse connection.
In this case a Remote port redirection (not Local) is needed for port
5500 instead of 5900 (i.e. 'Source port: 5500' and
'Destination: localhost:5500' for a Remote connection).
@@ -2591,7 +2607,7 @@ fi
channel using an external tool like stunnel?
It is possible to use a "lighter weight" encryption setup than SSH or
- IPSEC. SSL tunnels such as [350]stunnel provide an encrypted channel
+ IPSEC. SSL tunnels such as [356]stunnel provide an encrypted channel
without the need for Unix users, passwords, and key passphrases
required for ssh (and at the other extreme SSL can also provide a
complete signed certificate chain of trust). OTOH, since SSH is
@@ -2599,12 +2615,12 @@ fi
ssh is frequently the path of least resistance (it also nicely manages
public keys for you).
- Update: As of Feb/2006 x11vnc has the options [351]-ssl,
- [352]-stunnel, and [353]-sslverify to provide integrated SSL schemes.
- They are discussed [354]in the Next FAQ (you may want to skip to it
+ Update: As of Feb/2006 x11vnc has the options [357]-ssl,
+ [358]-stunnel, and [359]-sslverify to provide integrated SSL schemes.
+ They are discussed [360]in the Next FAQ (you may want to skip to it
now).
- Here are some basic examples using [355]stunnel but the general idea
+ Here are some basic examples using [361]stunnel but the general idea
for any SSL tunnel utility is the same:
* Start up x11vnc and constrain it to listen on localhost.
* Then start up the SSL tunnel running on the same machine to
@@ -2628,7 +2644,7 @@ fi
The above two commands are run on host "far-away.east". The
stunnel.pem is the self-signed PEM file certificate created when
- stunnel is built. One can also create certificates [356]signed by
+ stunnel is built. One can also create certificates [362]signed by
Certificate Authorities or self-signed if desired using the x11vnc
utilities described there.
@@ -2642,7 +2658,7 @@ fi
Then point the viewer to the local tunnel on port 5902:
vncviewer -encodings "copyrect tight zrle hextile" localhost:2
- That's it. (note that the [357]ssl_vncviewer script can automate
+ That's it. (note that the [363]ssl_vncviewer script can automate
this.)
Be sure to use a VNC password because unlike ssh by default the
@@ -2650,13 +2666,13 @@ fi
some extra configuration one could also set up certificates to provide
authentication of either or both sides as well (and hence avoid
man-in-the-middle attacks). See the stunnel and openssl documentation
- and also [358]the key management section for details.
+ and also [364]the key management section for details.
stunnel has also been ported to Windows, and there are likely others
to choose from for that OS. Much info for using it on Windows can be
- found at the stunnel site and in this [359]article The article also
+ found at the stunnel site and in this [365]article The article also
shows the detailed steps to set up all the authentication
- certificates. (for both server and clients, see also the [360]x11vnc
+ certificates. (for both server and clients, see also the [366]x11vnc
utilities that do this). The default Windows client setup (no certs)
is simpler and only 4 files are needed in a folder: stunnel.exe,
stunnel.conf, libssl32.dll, libeay32.dll. We used an stunnel.conf
@@ -2677,7 +2693,7 @@ connect = far-away.east:5901
As an aside, if you don't like the little "gap" of unencrypted TCP
traffic (and a localhost listening socket) on the local machine
between stunnel and x11vnc it can actually be closed by having stunnel
- start up x11vnc in [361]-inetd mode:
+ start up x11vnc in [367]-inetd mode:
stunnel -p /path/to/stunnel.pem -P none -d 5900 -l ./x11vnc_sh
Where the script x11vnc_sh starts up x11vnc:
@@ -2720,24 +2736,28 @@ connect = 5900
they probably wouldn't work since the SSL negotiation is likely
embedded in the VNC protocol unlike our case where it is external.
- Note: as of Mar/2006 libvncserver/x11vnc provides a [362]SSL-enabled
- Java applet that can be served up via the [363]-httpdir or [364]-http
- options when [365]-ssl is enabled. It will also be served via HTTPS
+ Note: as of Mar/2006 libvncserver/x11vnc provides a [368]SSL-enabled
+ Java applet that can be served up via the [369]-httpdir or [370]-http
+ options when [371]-ssl is enabled. It will also be served via HTTPS
via either the VNC port (e.g. https://host:5900/) or a 2nd port via
- the [366]-https option.
+ the [372]-https option.
In general current SSL VNC solutions are not particularly "seemless".
But it can be done, and with a wrapper script on the viewer side and
- the [367]-stunnel or [368]-ssl option on the server side it works well
- and is convenient. Here is a simple script [369]ssl_vncviewer that
+ the [373]-stunnel or [374]-ssl option on the server side it works well
+ and is convenient. Here is a simple script [375]ssl_vncviewer that
automates running stunnel on the VNC viewer side on Unix a little more
carefully than the commands printed above. (One could probably do a
similar thing with a .BAT file on Windows in the stunnel folder.)
+ Update: we now provide an [376]Enhanced TightVNC Viewer package that
+ starts up STUNNEL automatically along with some other features. All
+ binaries are provided in the package.
+
Q-43: Does x11vnc have built-in SSL tunneling?
- You can read about non-built-in methods [370]in the Previous FAQ
+ You can read about non-built-in methods [377]in the Previous FAQ
SSL tunnels provide an encrypted channel without the need for Unix
users, passwords, and key passphrases required for ssh (and at the
@@ -2748,14 +2768,14 @@ connect = 5900
Built-in SSL x11vnc options:
- As of Feb/2006 the x11vnc [371]-ssl and [372]-stunnel options automate
- the SSL tunnel creation on the x11vnc server side. An [373]SSL-enabled
+ As of Feb/2006 the x11vnc [378]-ssl and [379]-stunnel options automate
+ the SSL tunnel creation on the x11vnc server side. An [380]SSL-enabled
Java Viewer applet is also provided that can be served via HTTP or
HTTPS to automate SSL on the client side.
- The [374]-ssl mode uses the [375]www.openssl.org library if available
- at build time. The [376]-stunnel mode requires the
- [377]www.stunnel.org command stunnel(8) to be installed on the system.
+ The [381]-ssl mode uses the [382]www.openssl.org library if available
+ at build time. The [383]-stunnel mode requires the
+ [384]www.stunnel.org command stunnel(8) to be installed on the system.
Both modes require an SSL certificate and key (i.e. .pem file). These
are usually created via the openssl(1) (in fact in for options "-ssl"
@@ -2807,12 +2827,12 @@ connect = 5900
is to encrypt the key with a passphrase (note however this requires
supplying the passphrase each time x11vnc is started up).
- See the discussion on [378]x11vnc Key Management for some utilities
+ See the discussion on [385]x11vnc Key Management for some utilities
provided for creating and managing certificates and keys and even for
creating your own Certificate Authority (CA) for signing VNC server
and client certificates. This may be done by importing the certificate
into Web Browser or Java plugin keystores, or pointing stunnel to it.
- The wrapper script [379]ssl_vncviewer provides an example on unix
+ The wrapper script [386]ssl_vncviewer provides an example on unix
(-verify option).
Here are some notes on the simpler default (non-CA) operation. To have
@@ -2828,7 +2848,7 @@ connect = 5900
to machines where the VNC Viewer will be run to enable authenticating
the x11vnc SSL VNC server to the clients. When authentication takes
place this way (or via the more sophisticated CA signing described
- [380]here), then Man-In-The-Middle-Attacks are prevented. Otherwise,
+ [387]here), then Man-In-The-Middle-Attacks are prevented. Otherwise,
the SSL encryption only provides protection against passive network
traffic "sniffing". Nowadays, most people seem mostly concerned about
only the latter (and the default x11vnc SSL modes protect against it.)
@@ -2853,7 +2873,7 @@ connect = 5900
including using https to download it into the browser and connect to
x11vnc.
- See the [381]next FAQ for SSL enabled VNC Viewers.
+ See the [388]next FAQ for SSL enabled VNC Viewers.
Q-44: How do I use VNC Viewers with built-in SSL tunneling?
@@ -2864,9 +2884,9 @@ connect = 5900
The SSL enabled Java VNC Viewer (VncViewer.jar) in the x11vnc package
supports only SSL based connections by default (set the applet
parameter disableSSL=yes in index.vnc to override). As mentioned above
- the [382]-httpdir can be used to specify the path to .../classes/ssl.
+ the [389]-httpdir can be used to specify the path to .../classes/ssl.
A typical location might be /usr/local/share/x11vnc/classes/ssl. Or
- [383]-http can be used to try to have it find the directory
+ [390]-http can be used to try to have it find the directory
automatically.
The Java viewer uses SSL to communicate securely with x11vnc. Note
@@ -2891,7 +2911,7 @@ connect = 5900
example) can occasionally be slow or unreliable (it has to read some
input and try to guess if the connection is VNC or HTTP). If it is
unreliable and you still want to serve the Java applet via https, use
- the [384]-https option to get an additional port dedicated to https
+ the [391]-https option to get an additional port dedicated to https
(its URL will also be printed in the output).
Another possibility is to add the GET applet parameter:
@@ -2904,7 +2924,7 @@ connect = 5900
You may also use "?GET=somestring" to have /somestring prepended to
/request.https.vnc.connection". Perhaps you are using a web server
- [385]proxy scheme to enter a firewall or otherwise have rules applied
+ [392]proxy scheme to enter a firewall or otherwise have rules applied
to the URL. If you need to have any slashes "/" in "somestring" use
"_2F_" (a deficiency in libvncserver prevents using the more natural
"%2F".)
@@ -2928,7 +2948,7 @@ connect = 5900
connection is VNC instead of the HTTPS it actually is (but since you
have paused too long at the dialog the GET request comes too late).
Often hitting Reload and going through the dialogs more quickly will
- let you connect. Use the [386]-https option if you want a dedicated
+ let you connect. Use the [393]-https option if you want a dedicated
port for HTTPS connections instead of sharing the VNC port.
@@ -2937,10 +2957,10 @@ connect = 5900
If you want to use a native VNC Viewer with the SSL enabled x11vnc you
will need to run an external SSL tunnel on the Viewer side. There do
not seem to be any native SSL VNC Viewers outside of the x11vnc
- package. The basic ideas of doing this were discussed [387]for
+ package. The basic ideas of doing this were discussed [394]for
external tunnel utilities here.
- The [388]ssl_vncviewer script provided with x11vnc can set up the
+ The [395]ssl_vncviewer script provided with x11vnc can set up the
stunnel tunnel automatically on unix as long as the stunnel command is
installed on the Viewer machine and available in PATH (and vncviewer
too of course). Note that on Debian based system you will need to
@@ -2972,10 +2992,10 @@ connect = 5900
The fifth one shows that Web proxies can be used if that is the only
way to get out of the firewall. If the "double proxy" situation arises
- separate the two by commas. See [389]this page for more information on
+ separate the two by commas. See [396]this page for more information on
how Web proxies come into play.
- If one uses a Certificate Authority (CA) scheme described [390]here,
+ If one uses a Certificate Authority (CA) scheme described [397]here,
the wrapper script would use the CA cert instead of the server cert:
3') ssl_vncviewer -verify ./cacert.crt far-away.east:0
@@ -3011,7 +3031,7 @@ connect = 5900
(instead of the unsigned one in https://yourmachine.com:5900/ that
gives the default index.vnc)
- Note that the [391]ssl_vncviewer stunnel wrapper script can use Web
+ Note that the [398]ssl_vncviewer stunnel wrapper script can use Web
proxies as well.
Proxies that limit CONNECT to ports 443 and 563:
@@ -3040,7 +3060,7 @@ connect = 5900
https://yourmachine.com/proxy.vnc?PORT=443
this is cleaner because it avoids editing the file, but requires more
- parameters in the URL. To use the GET [392]trick discussed above, do:
+ parameters in the URL. To use the GET [399]trick discussed above, do:
https://yourmachine.com/proxy.vnc?PORT=443&GET=1
@@ -3048,7 +3068,7 @@ connect = 5900
SSL from the Internet with a Web browser to x11vnc running on their
workstations behind a firewall?
Yes. You will need to configure apache to forward these connections.
- It is discussed [393]here. This provides a clean alternative to the
+ It is discussed [400]here. This provides a clean alternative to the
traditional method where the user uses SSH to log in through the
gateway to create the encrypted port redirection to x11vnc running on
her desktop.
@@ -3056,7 +3076,7 @@ connect = 5900
Q-47: Can I create and use my own SSL Certificate Authority (CA) with
x11vnc?
- Yes, see [394]this page for how to do this and the utility commands
+ Yes, see [401]this page for how to do this and the utility commands
x11vnc provides to create and manage many types of certificates and
private keys.
@@ -3075,13 +3095,13 @@ connect = 5900
need to have sufficient permissions to connect to the X display.
Here are some ideas:
- * Use the description under "Continuously" in the [395]FAQ on x11vnc
+ * Use the description under "Continuously" in the [402]FAQ on x11vnc
and Display Managers
- * Use the description in the [396]FAQ on x11vnc and inetd(8)
- * Use the description in the [397]FAQ on Unix user logins and
+ * Use the description in the [403]FAQ on x11vnc and inetd(8)
+ * Use the description in the [404]FAQ on Unix user logins and
inetd(8)
* Start x11vnc from your $HOME/.xsession (or $HOME/.xinitrc)
- * Although less reliable, see the [398]x11vnc_loop rc.local hack
+ * Although less reliable, see the [405]x11vnc_loop rc.local hack
below.
The display manager scheme will not be specific to which user has the
@@ -3112,7 +3132,7 @@ x11vnc -logfile $HOME/.x11vnc.log -rfbauth $HOME/.vnc/passwd -forever -bg
while running x11vnc as root, e.g. for the gnome display manager, gdm:
x11vnc -auth /var/gdm/:0.Xauth -display :0
- (the [399]-auth option sets the XAUTHORITY variable for you).
+ (the [406]-auth option sets the XAUTHORITY variable for you).
There will be a similar thing for xdm using however a different auth
directory path (perhaps something like
@@ -3137,7 +3157,7 @@ x11vnc -logfile $HOME/.x11vnc.log -rfbauth $HOME/.vnc/passwd -forever -bg
auth file should be in /var/dt), you'll also need to add something
like Dtlogin*grabServer:False to the Xconfig file
(/etc/dt/config/Xconfig or /usr/dt/config/Xconfig on Solaris, see
- [400]the example at the end of this FAQ). Then restart dtlogin, e.g.:
+ [407]the example at the end of this FAQ). Then restart dtlogin, e.g.:
/etc/init.d/dtlogin stop; /etc/init.d/dtlogin start or reboot.
Continuously. Have x11vnc reattach each time the X server is
@@ -3200,7 +3220,7 @@ x11vnc -logfile $HOME/.x11vnc.log -rfbauth $HOME/.vnc/passwd -forever -bg
Then restart: /usr/sbin/gdm-restart (or reboot). The
KillInitClients=false setting is important: without it x11vnc will be
- killed immediately after the user logs in. Here are [401]full details
+ killed immediately after the user logs in. Here are [408]full details
on how to configure gdm
_________________________________________________________________
@@ -3242,14 +3262,14 @@ x11vnc -logfile $HOME/.x11vnc.log -rfbauth $HOME/.vnc/passwd -forever -bg
If you do not want to deal with any display manager startup scripts,
here is a kludgey script that can be run manually or out of a boot
- file like rc.local: [402]x11vnc_loop It will need some local
+ file like rc.local: [409]x11vnc_loop It will need some local
customization before running. Because the XAUTHORITY auth file must be
guessed by this script, use of the display manager script method
- described above is greatly preferred. There is also the [403]-loop
+ described above is greatly preferred. There is also the [410]-loop
option that does something similar.
If the machine is a traditional Xterminal you may want to read
- [404]this FAQ.
+ [411]this FAQ.
Q-50: Can I run x11vnc out of inetd(8)? How about xinetd(8)?
@@ -3259,7 +3279,7 @@ x11vnc -logfile $HOME/.x11vnc.log -rfbauth $HOME/.vnc/passwd -forever -bg
5900 stream tcp nowait root /usr/sbin/tcpd /usr/local/bin/x11vnc_sh
- where the shell script /usr/local/bin/x11vnc_sh uses the [405]-inetd
+ where the shell script /usr/local/bin/x11vnc_sh uses the [412]-inetd
option and looks something like (you'll need to customize to your
settings).
#!/bin/sh
@@ -3272,7 +3292,7 @@ x11vnc -logfile $HOME/.x11vnc.log -rfbauth $HOME/.vnc/passwd -forever -bg
and that confuses it greatly, causing it to abort). If you do not use
a wrapper script as above but rather call x11vnc directly in
/etc/inetd.conf and do not redirect stderr to a file, then you must
- specify the -q (aka [406]-quiet) option: "/usr/local/bin/x11vnc -q
+ specify the -q (aka [413]-quiet) option: "/usr/local/bin/x11vnc -q
-inetd ...". When you supply both -q and -inet and no "-o logfile"
then stderr will automatically be closed (to prevent, e.g. library
stderr messages leaking out to the viewer). The recommended practice
@@ -3280,12 +3300,12 @@ x11vnc -logfile $HOME/.x11vnc.log -rfbauth $HOME/.vnc/passwd -forever -bg
script with "2>logfile" redirection because the errors and warnings
printed out are very useful in troubleshooting problems.
- Note also the need to set XAUTHORITY via [407]-auth to point to the
+ Note also the need to set XAUTHORITY via [414]-auth to point to the
MIT-COOKIE auth file to get permission to connect to the X display
(setting and exporting the XAUTHORITY variable accomplishes the same
thing). See the x11vnc_loop file in the previous question for more
ideas on what that auth file may be, etc. The scheme described in the
- [408]FAQ on Unix user logins and inetd(8) works around the XAUTHORITY
+ [415]FAQ on Unix user logins and inetd(8) works around the XAUTHORITY
issue nicely.
Note: On Solaris you cannot have the bare number 5900 in
@@ -3350,13 +3370,13 @@ service x11vncservice
Q-51: Can I have x11vnc allow a user to log in with her UNIX password
and then have it find her X display on that machine and connect to it?
- The easiest way to do this is via [409]inetd(8) using the [410]-unixpw
- and [411]-display WAIT options. The reason inetd(8) makes this easier
+ The easiest way to do this is via [416]inetd(8) using the [417]-unixpw
+ and [418]-display WAIT options. The reason inetd(8) makes this easier
is that it starts a new x11vnc process for each new user connection.
Otherwise a wrapper would have to listen for connections and spawn new
- x11vnc's (see [412]this example).
+ x11vnc's (see [419]this example).
- The [413]-display WAIT option makes x11vnc wait until a VNC viewer is
+ The [420]-display WAIT option makes x11vnc wait until a VNC viewer is
connected before attaching to the X display. Additionally it can be
used to run an external command that returns the DISPLAY and
XAUTHORITY data. So one could supply "-display
@@ -3399,7 +3419,7 @@ exit 0
as the first line and any remaining lines are either XAUTHORITY=file
or raw xauth data (the above example does the latter).
- The [414]-unixpw option allows [415]UNIX password logins. Here are a
+ The [421]-unixpw option allows [422]UNIX password logins. Here are a
couple /etc/inetd.conf examples for this:
5900 stream tcp nowait nobody /usr/sbin/tcpd /usr/local/bin/x11vnc -inetd
-unixpw \
@@ -3419,9 +3439,9 @@ xpw=
directory will need to be set up to allow "nobody" to use them.
In the second one x11vnc is run as root and switches to the user that
- logs in due to the "[416]-users unixpw=" option.
+ logs in due to the "[423]-users unixpw=" option.
- Note that [417]SSL is required for this mode because otherwise the
+ Note that [424]SSL is required for this mode because otherwise the
unix password would be passed in clear text over the network. In
general -unixpw is not required for this sort of scheme, but it is
convenient because it determines exactly who the user is whose display
@@ -3432,7 +3452,7 @@ xpw=
Q-52: Can I have x11vnc restart itself after it terminates?
One could do this in a shell script, but now there is an option
- [418]-loop that makes it easier. Of course when x11vnc restarts it
+ [425]-loop that makes it easier. Of course when x11vnc restarts it
needs to have permissions to connect to the (potentially new) X
display. This mode could be useful if the X server restarts often. Use
e.g. "-loop5000" to sleep 5000 ms between restarts. Also "-loop2000,5"
@@ -3443,7 +3463,7 @@ xpw=
web browser?
To have x11vnc serve up a Java VNC viewer applet to any web browsers
- that connect to it, run x11vnc with this [419]option:
+ that connect to it, run x11vnc with this [426]option:
-httpdir /path/to/the/java/classes/dir
(this directory will contain the files index.vnc and, for example,
@@ -3462,7 +3482,7 @@ xpw=
then you can connect to that URL with any Java enabled browser. Feel
free to customize the default index.vnc file in the classes directory.
- As of May/2005 the [420]-http option will try to guess where the Java
+ As of May/2005 the [427]-http option will try to guess where the Java
classes jar file is by looking in expected locations and ones relative
to the x11vnc binary.
@@ -3478,7 +3498,7 @@ xpw=
As of Mar/2004 x11vnc supports reverse connections. On Unix one starts
the VNC viewer in listen mode: vncviewer -listen (see your
documentation for Windows, etc), and then starts up x11vnc with the
- [421]-connect option. To connect immediately at x11vnc startup time
+ [428]-connect option. To connect immediately at x11vnc startup time
use the "-connect host:port" option (use commas for a list of hosts to
connect to). The ":port" is optional (default is 5500).
@@ -3486,7 +3506,7 @@ xpw=
file is checked periodically (about once a second) for new hosts to
connect to.
- The [422]-remote control option (aka -R) can also be used to do this
+ The [429]-remote control option (aka -R) can also be used to do this
during an active x11vnc session, e.g.:
x11vnc -display :0 -R connect:hostname.domain
@@ -3498,7 +3518,7 @@ x11vnc -display :0 -R connect:hostname.domain
starting x11vnc.
To use the vncconnect(1) program (from the core VNC package at
- www.realvnc.com) specify the [423]-vncconnect option to x11vnc (Note:
+ www.realvnc.com) specify the [430]-vncconnect option to x11vnc (Note:
as of Dec/2004 -vncconnect is now the default). vncconnect(1) must be
pointed to the same X11 DISPLAY as x11vnc (since it uses X properties
to communicate with x11vnc). If you do not have or do not want to get
@@ -3543,7 +3563,7 @@ xprop -root -f VNC_CONNECT 8s -set VNC_CONNECT "$1"
There are some annoyances WRT Xvfb though. The default keyboard
mapping seems to be very poor. One should run x11vnc with
- [424]-add_keysyms option to have keysyms added automatically. Also, to
+ [431]-add_keysyms option to have keysyms added automatically. Also, to
add the Shift_R and Control_R modifiers something like this is needed:
#!/bin/sh
xmodmap -e "keycode any = Shift_R"
@@ -3565,11 +3585,11 @@ xmodmap -e "add Control = Control_L Control_R"
The main drawback to this method (besides requiring extra
configuration and possibly root permission) is that it also does the
- Linux Virtual Console/Terminal (VC/VT) [425]switching even though it
+ Linux Virtual Console/Terminal (VC/VT) [432]switching even though it
does not need to (since it doesn't use a real framebuffer). There are
some "dual headed" (actually multi-headed/multi-user) patches to the X
server that turn off the VT usage in the X server. Update: As of
- Jul/2005 we have an LD_PRELOAD script [426]Xdummy that allows you to
+ Jul/2005 we have an LD_PRELOAD script [433]Xdummy that allows you to
use a stock (i.e. unpatched) Xorg or XFree86 server with the "dummy"
driver and not have any VT switching problems! Currently Xdummy needs
to be run as root, but with some luck that may be relaxed in the
@@ -3601,7 +3621,7 @@ startx -- /path/to/Xdummy :1
An X server can be started on the headless machine (sometimes this
requires configuring the X server to not fail if it cannot detect a
keyboard or mouse, see the next paragraph). Then you can export that X
- display via x11vnc (e.g. see [427]this FAQ) and access it from
+ display via x11vnc (e.g. see [434]this FAQ) and access it from
anywhere on the network via a VNC viewer.
Some tips on getting X servers to start on machines without keyboard
@@ -3644,7 +3664,7 @@ startx -- /path/to/Xdummy :1
19/03/2004 10:10:58 error creating tile-row shm for len=4
19/03/2004 10:10:58 reverting to single_copytile mode
- Here is a shell script [428]shm_clear to list and prompt for removal
+ Here is a shell script [435]shm_clear to list and prompt for removal
of your unattached shm segments (attached ones are skipped). I use it
while debugging x11vnc (I use "shm_clear -y" to assume "yes" for each
prompt). If x11vnc is regularly not cleaning up its shm segments,
@@ -3678,40 +3698,40 @@ ied)
in /etc/system. See the next paragraph for more workarounds.
To minimize the number of shm segments used by x11vnc try using the
- [429]-onetile option (corresponds to only 3 shm segments used, and
+ [436]-onetile option (corresponds to only 3 shm segments used, and
adding -fs 1.0 knocks it down to 2). If you are having much trouble
with shm segments, consider disabling shm completely via the
- [430]-noshm option. Performance will be somewhat degraded but when
+ [437]-noshm option. Performance will be somewhat degraded but when
done over local machine sockets it should be acceptable (see an
- [431]earlier question discussing -noshm).
+ [438]earlier question discussing -noshm).
Q-58: How can I make x11vnc use less system resources?
- The [432]-nap (now on by default) and "[433]-wait n" (where n is the
+ The [439]-nap (now on by default) and "[440]-wait n" (where n is the
sleep between polls in milliseconds, the default is 30 or so) option
- are good places to start. Something like "[434]-sb 15" will cause
+ are good places to start. Something like "[441]-sb 15" will cause
x11vnc to go into a deep-sleep mode after 15 seconds of no activity
(instead of the default 60).
Reducing the X server bits per pixel depth (e.g. to 16bpp or even
8bpp) will further decrease memory I/O and network I/O. The ShadowFB
- will make x11vnc's screen polling less severe. Using the [435]-onetile
+ will make x11vnc's screen polling less severe. Using the [442]-onetile
option will use less memory and use fewer shared memory slots (add
- [436]-fs 1.0 for one less slot).
+ [443]-fs 1.0 for one less slot).
Q-59: How can I make x11vnc use MORE system resources?
- You can try [437]-threads and dial down the wait time (e.g. -wait 1)
- and possibly dial down [438]-defer as well. Note that if you try to
+ You can try [444]-threads and dial down the wait time (e.g. -wait 1)
+ and possibly dial down [445]-defer as well. Note that if you try to
increase the "frame rate" too much you can bog down the server end
with the extra work it needs to do compressing the framebuffer data,
etc.
That said, it is possible to "stream" video via x11vnc if the video
window is small enough. E.g. a 256x192 xawtv TV capture window (using
- the x11vnc [439]-id option) can be streamed over a LAN or wireless at
+ the x11vnc [446]-id option) can be streamed over a LAN or wireless at
a reasonable frame rate.
@@ -3727,7 +3747,7 @@ ied)
* Use a smaller desktop size (e.g. 1024x768 instead of 1280x1024)
* Make sure the desktop background is a solid color (the background
is resent every time it is re-exposed). Consider using the
- [440]-solid [color] option to try to do this automatically.
+ [447]-solid [color] option to try to do this automatically.
* Configure your window manager or desktop "theme" to not use fancy
images, shading, and gradients for the window decorations, etc.
Disable window animations, etc. Maybe your desktop has a "low
@@ -3736,9 +3756,9 @@ ied)
-> Use Smooth Scrolling (deselect it).
* Avoid small scrolls of large windows using the Arrow keys or
scrollbar. Try to use PageUp/PageDown instead. (not so much of a
- problem in x11vnc 0.7.2 if [441]-scrollcopyrect is active and
+ problem in x11vnc 0.7.2 if [448]-scrollcopyrect is active and
detecting scrolls for the application).
- * If the [442]-wireframe option is not available (earlier than
+ * If the [449]-wireframe option is not available (earlier than
x11vnc 0.7.2 or you have disabled it via -nowireframe) then
Disable Opaque Moves and Resizes in the window manager/desktop.
* However if -wireframe is active (on by default in x11vnc 0.7.2)
@@ -3758,7 +3778,7 @@ ied)
noticed.
VNC viewer parameters:
- * Use a [443]TightVNC enabled viewer! (Actually, RealVNC 4.x viewer
+ * Use a [450]TightVNC enabled viewer! (Actually, RealVNC 4.x viewer
with ZRLE encoding is not too bad either; some claim it is
faster).
* Make sure the tight (or zrle) encoding is being used (look at
@@ -3780,37 +3800,37 @@ ied)
file.
x11vnc parameters:
- * Make sure the [444]-wireframe option is active (it should be on by
+ * Make sure the [451]-wireframe option is active (it should be on by
default) and you have Opaque Moves/Resizes Enabled in the window
manager.
- * Make sure the [445]-scrollcopyrect option is active (it should be
+ * Make sure the [452]-scrollcopyrect option is active (it should be
on by default). This detects scrolls in many (but not all)
applications an applies the CopyRect encoding for a big speedup.
* Enforce a solid background when VNC viewers are connected via
- [446]-solid
- * Specify [447]-speeds modem to force the wireframe and
+ [453]-solid
+ * Specify [454]-speeds modem to force the wireframe and
scrollcopyrect heuristic parameters (and any future ones) to those
of a dialup modem connection (or supply the rd,bw,lat numerical
values that characterize your link).
* If wireframe and scrollcopyrect aren't working, try using the more
- drastic [448]-nodragging (no screen updates when dragging mouse,
+ drastic [455]-nodragging (no screen updates when dragging mouse,
but sometimes you miss visual feedback)
- * Set [449]-fs 1.0 (disables fullscreen updates)
- * Try increasing [450]-wait or [451]-defer (reduces the maximum
+ * Set [456]-fs 1.0 (disables fullscreen updates)
+ * Try increasing [457]-wait or [458]-defer (reduces the maximum
"frame rate", but won't help much for large screen changes)
- * Try the [452]-progressive pixelheight mode with the block
+ * Try the [459]-progressive pixelheight mode with the block
pixelheight 100 or so (delays sending vertical blocks since they
may change while viewer is receiving earlier ones)
- * If you just want to watch one (simple) window use [453]-id (cuts
+ * If you just want to watch one (simple) window use [460]-id (cuts
down extraneous polling and updates, but can be buggy or
insufficient)
- * Set [454]-nosel (disables all clipboard selection exchange)
- * Use [455]-nocursor and [456]-nocursorpos (repainting the remote
+ * Set [461]-nosel (disables all clipboard selection exchange)
+ * Use [462]-nocursor and [463]-nocursorpos (repainting the remote
cursor position and shape takes resources and round trips)
* On very slow links (e.g. <= 28.8) you may need to increase the
- [457]-readtimeout n setting if it sometimes takes more than 20sec
+ [464]-readtimeout n setting if it sometimes takes more than 20sec
to paint the full screen, etc.
- * Do not use [458]-fixscreen to automatically refresh the whole
+ * Do not use [465]-fixscreen to automatically refresh the whole
screen, tap three Alt_L's then the screen has painting errors
(rare problem).
@@ -3833,7 +3853,7 @@ ied)
Note that the DAMAGE extension does not speed up the actual reading of
pixels from the video card framebuffer memory, by, say, mirroring them
- in main memory. So reading the fb is still painfully [459]slow (e.g.
+ in main memory. So reading the fb is still painfully [466]slow (e.g.
5MB/sec), and so even using X DAMAGE when large changes occur on the
screen the bulk of the time is still spent retrieving them. Not ideal,
but use of the ShadowFB XFree86/Xorg option speeds up the reading
@@ -3851,27 +3871,27 @@ ied)
DAMAGE rectangles to contain real damage. The larger rectangles are
only used as hints to focus the traditional scanline polling (i.e. if
a scanline doesn't intersect a recent DAMAGE rectangle, the scan is
- skipped). You can use the "[460]-xd_area A" option to adjust the size
+ skipped). You can use the "[467]-xd_area A" option to adjust the size
of the trusted DAMAGE rectangles. The default is 20000 pixels (e.g. a
140x140 square, etc). Use "-xd_area 0" to disable the cutoff and trust
all DAMAGE rectangles.
- The option "[461]-xd_mem f" may also be of use in tuning the
- algorithm. To disable using DAMAGE entirely use "[462]-noxdamage".
+ The option "[468]-xd_mem f" may also be of use in tuning the
+ algorithm. To disable using DAMAGE entirely use "[469]-noxdamage".
Q-62: When I drag windows around with the mouse or scroll up and down
things really bog down (unless I do the drag in a single, quick
motion). Is there anything to do to improve things?
- This problem is primarily due to [463]slow hardware read rates from
+ This problem is primarily due to [470]slow hardware read rates from
video cards: as you scroll or move a large window around the screen
changes are much too rapid for x11vnc to keep up them (it can usually
only read the video card at about 5-10 MB/sec, so it can take a good
fraction of a second to read the changes induce from moving a large
window, if this to be done a number of times in succession the window
or scroll appears to "lurch" forward). See the description in the
- [464]-pointer_mode option for more info. The next bottleneck is
+ [471]-pointer_mode option for more info. The next bottleneck is
compressing all of these changes and sending them out to connected
viewers, however the VNC protocol is pretty much self-adapting with
respect to that (updates are only packaged and sent when viewers ask
@@ -3881,26 +3901,26 @@ ied)
default should now be much better than before and dragging small
windows around should no longer be a huge pain. If for some reason
these changes make matters worse, you can go back to the old way via
- the "[465]-pointer_mode 1" option.
+ the "[472]-pointer_mode 1" option.
- Also added was the [466]-nodragging option that disables all screen
+ Also added was the [473]-nodragging option that disables all screen
updates while dragging with the mouse (i.e. mouse motion with a button
held down). This gives the snappiest response, but might be undesired
in some circumstances when you want to see the visual feedback while
dragging (e.g. menu traversal or text selection).
- As of Dec/2004 the [467]-pointer_mode n option was introduced. n=1 is
+ As of Dec/2004 the [474]-pointer_mode n option was introduced. n=1 is
the original mode, n=2 an improvement, etc.. See the -pointer_mode n
help for more info.
- Also, in some circumstances the [468]-threads option can improve
+ Also, in some circumstances the [475]-threads option can improve
response considerably. Be forewarned that if more than one vncviewer
is connected at the same time then libvncserver may not be thread safe
(try to get the viewers to use different VNC encodings, e.g. tight and
ZRLE).
- As of Apr/2005 two new options (see the [469]wireframe FAQ and
- [470]scrollcopyrect FAQ below) provide schemes to sweep this problem
+ As of Apr/2005 two new options (see the [476]wireframe FAQ and
+ [477]scrollcopyrect FAQ below) provide schemes to sweep this problem
under the rug for window moves or resizes and for some (but not all)
window scrolls. These are the preferred way of avoiding the "lurching"
problem, contact me if they are not working. (Note on SuSE the RECORD
@@ -3919,8 +3939,8 @@ ied)
the window move/resize stops, it returns to normal processing: you
should only see the window appear in the new position. This spares you
from interacting with a "lurching" window between all of the
- intermediate steps. BTW the lurching is due to [471]slow video card
- read rates (see [472]here too). A displacement, even a small one, of a
+ intermediate steps. BTW the lurching is due to [478]slow video card
+ read rates (see [479]here too). A displacement, even a small one, of a
large window requires a non-negligible amount of time, a good fraction
of a second, to read in from the hardware framebuffer.
@@ -3928,7 +3948,7 @@ ied)
for -wireframe to do any good.
The mode is currently on by default because most people are afflicted
- with the problem. It can be disabled with the [473]-nowireframe option
+ with the problem. It can be disabled with the [480]-nowireframe option
(aka -nowf). Why might one want to turn off the wireframing? Since
x11vnc is merely guessing when windows are being moved/resized, it may
guess poorly for your window-manager or desktop, or even for the way
@@ -3973,13 +3993,13 @@ ied)
* Maximum time to show a wireframe animation.
* Minimum time between sending wireframe outlines.
- See the [474]"-wireframe tweaks" option for more details. On a slow
+ See the [481]"-wireframe tweaks" option for more details. On a slow
link, e.g. dialup modem, the parameters may be automatically adjusted
for better response.
CopyRect encoding: In addition to the above there is the
- [475]"-wirecopyrect mode" option. It is also on by default. This
+ [482]"-wirecopyrect mode" option. It is also on by default. This
instructs x11vnc to not only show the wireframe animation, but to also
instruct all connected VNC viewers to locally translate the window
image data from the original position to the new position on the
@@ -4027,7 +4047,7 @@ ied)
requiring the image data to be transmitted over the network. For fast
links the speedup is primarily due to x11vnc not having to read the
scrolled framebuffer data from the X server (recall that reading from
- the hardware framebuffer is [476]slow).
+ the hardware framebuffer is [483]slow).
To do this x11vnc uses the RECORD X extension to snoop the X11
protocol between the X client with the focus window and the X server.
@@ -4049,10 +4069,10 @@ ied)
the X server display: if one falls too far behind it could become a
mess...
- The initial implementation of [477]-scrollcopyrect option is useful in
+ The initial implementation of [484]-scrollcopyrect option is useful in
that it detects many scrolls and thus gives a much nicer working
- environment (especially when combined with the [478]-wireframe
- [479]-wirecopyrect [480]options, which are also on by default; and if
+ environment (especially when combined with the [485]-wireframe
+ [486]-wirecopyrect [487]options, which are also on by default; and if
you are willing to enable the ShadowFB things are very fast). The fact
that there aren't long delays or lurches during scrolling is the
primary improvement.
@@ -4085,10 +4105,10 @@ ied)
One can tap the Alt_L key (Left "Alt" key) 3 times in a row to
signal x11vnc to refresh the screen to all viewers. Your
VNC-viewer may have its own screen refresh hot-key or button. See
- also: [481]-fixscreen
+ also: [488]-fixscreen
* Some applications, notably OpenOffice, do XCopyArea scrolls in
weird ways that assume ancestor window clipping is taking place.
- See the [482]-scr_skip option for ways to tweak this on a
+ See the [489]-scr_skip option for ways to tweak this on a
per-application basis.
* Selecting text while dragging the mouse may be slower, especially
if the Button-down event happens near the window's edge. This is
@@ -4105,7 +4125,7 @@ ied)
because it fails to detect scrolls in it. Sometimes clicking
inside the application window or selecting some text in it to
force the focus helps.
- * When using the [483]-scale option there will be a quick CopyRect
+ * When using the [490]-scale option there will be a quick CopyRect
scroll, but it needs to be followed by a slower "cleanup" update.
This is because for a fixed finite screen resolution (e.g. 75 dpi)
scaling and copyrect-ing are not exactly independent. Scaling
@@ -4118,7 +4138,7 @@ ied)
If you find the -scrollcopyrect behavior too approximate or
distracting you can go back to the standard polling-only update method
- with the [484]-noscrollcopyrect (or -noscr for short). If you find
+ with the [491]-noscrollcopyrect (or -noscr for short). If you find
some extremely bad and repeatable behavior for -scrollcopyrect please
report a bug.
@@ -4157,23 +4177,23 @@ ied)
this is because the cursor shape is often downloaded to the graphics
hardware (video card), but I could be mistaken.
- A simple kludge is provided by the "[485]-cursor X" option that
+ A simple kludge is provided by the "[492]-cursor X" option that
changes the cursor when the mouse is on the root background (or any
window has the same cursor as the root background). Note that desktops
like GNOME or KDE often cover up the root background, so this won't
- work for those cases. Also see the "[486]-cursor some" option for
+ work for those cases. Also see the "[493]-cursor some" option for
additional kludges.
Note that as of Aug/2004 on Solaris using the SUN_OVL overlay
extension and IRIX, x11vnc can show the correct mouse cursor when the
- [487]-overlay option is supplied. See [488]this FAQ for more info.
+ [494]-overlay option is supplied. See [495]this FAQ for more info.
Also as of Dec/2004 XFIXES X extension support has been added to allow
exact extraction of the mouse cursor shape. XFIXES fixes the problem
of the cursor-shape being write-only: x11vnc can now query the X
server for the current shape and send it back to the connected
viewers. XFIXES is available on recent Linux Xorg based distros and
- [489]Solaris 10.
+ [496]Solaris 10.
The only XFIXES issue is the handling of alpha channel transparency in
cursors. If a cursor has any translucency then in general it must be
@@ -4181,7 +4201,7 @@ ied)
situations where the cursor transparency can also handled exactly:
when the VNC Viewer requires the cursor shape be drawn into the VNC
framebuffer or if you apply a patch to your VNC Viewer to extract
- hidden alpha channel data under 32bpp. [490]Details can be found here.
+ hidden alpha channel data under 32bpp. [497]Details can be found here.
Q-66: When using XFIXES cursorshape mode, some of the cursors look
@@ -4214,17 +4234,17 @@ ied)
for most cursor themes and you don't have to worry about it.
In case it still looks bad for your cursor theme, there are (of
- course!) some tunable parameters. The "[491]-alphacut n" option lets
+ course!) some tunable parameters. The "[498]-alphacut n" option lets
you set the threshold "n" (between 0 and 255): cursor pixels with
alpha values below n will be considered completely transparent while
values equal to or above n will be completely opaque. The default is
- 240. The "[492]-alphafrac f" option tries to correct individual
+ 240. The "[499]-alphafrac f" option tries to correct individual
cursors that did not fare well with the default -alphacut value: if a
cursor has less than fraction f (between 0.0 and 1.0) of its pixels
selected by the default -alphacut, the threshold is lowered until f of
its pixels are selected. The default fraction is 0.33.
- Finally, there is an option [493]-alpharemove that is useful for
+ Finally, there is an option [500]-alpharemove that is useful for
themes where many cursors are light colored (e.g. "whiteglass").
XFIXES returns the cursor data with the RGB values pre-multiplied by
the alpha value. If the white cursors look too grey, specify
@@ -4250,10 +4270,10 @@ ied)
alpha channel data to libvncserver. However, this data will only be
used for VNC clients that do not support the CursorShapeUpdates VNC
extension (or have disabled it). It can be disabled for all clients
- with the [494]-nocursorshape x11vnc option. In this case the cursor is
+ with the [501]-nocursorshape x11vnc option. In this case the cursor is
drawn, correctly blended with the background, into the VNC framebuffer
before being sent out to the client. So the alpha blending is done on
- the x11vnc side. Use the [495]-noalphablend option to disable this
+ the x11vnc side. Use the [502]-noalphablend option to disable this
behavior (always approximate transparent cursors with opaque RGB
values).
@@ -4282,9 +4302,9 @@ ied)
Q-68: Why does the mouse arrow just stay in one corner in my
vncviewer, whereas my cursor (that does move) is just a dot?
- This default takes advantage of a [496]tightvnc extension
+ This default takes advantage of a [503]tightvnc extension
(CursorShapeUpdates) that allows specifying a cursor image shape for
- the local VNC viewer. You may disable it with the [497]-nocursor
+ the local VNC viewer. You may disable it with the [504]-nocursor
option to x11vnc if your viewer does not have this extension.
Note: as of Aug/2004 this should be fixed: the default for
@@ -4298,17 +4318,17 @@ ied)
clients (i.e. passive viewers can see the mouse cursor being moved
around by another viewer)?
- Use the [498]-cursorpos option when starting x11vnc. A VNC viewer must
+ Use the [505]-cursorpos option when starting x11vnc. A VNC viewer must
support the Cursor Positions Updates for the user to see the mouse
motions (the TightVNC viewers support this). As of Aug/2004 -cursorpos
- is the default. See also [499]-nocursorpos and [500]-nocursorshape.
+ is the default. See also [506]-nocursorpos and [507]-nocursorshape.
Q-70: Is it possible to swap the mouse buttons (e.g. left-handed
operation), or arbitrarily remap them? How about mapping button clicks
to keystrokes, e.g. to partially emulate Mouse wheel scrolling?
- You can remap the mouse buttons via something like: [501]-buttonmap
+ You can remap the mouse buttons via something like: [508]-buttonmap
13-31 (or perhaps 12-21). Also, note that xmodmap(1) lets you directly
adjust the X server's button mappings, but in some circumstances it
might be more desirable to have x11vnc do it.
@@ -4316,7 +4336,7 @@ ied)
One user had an X server with only one mouse button(!) and was able to
map all of the VNC client mouse buttons to it via: -buttonmap 123-111.
- Note that the [502]-debug_pointer option prints out much info for
+ Note that the [509]-debug_pointer option prints out much info for
every mouse/pointer event and is handy in solving problems.
To map mouse button clicks to keystrokes you can use the alternate
@@ -4338,7 +4358,7 @@ ied)
Exactly what keystroke "scrolling" events they should be bound to
depends on one's taste. If this method is too approximate, one could
- consider not using [503]-buttonmap but rather configuring the X server
+ consider not using [510]-buttonmap but rather configuring the X server
to think it has a mouse with 5 buttons even though the physical mouse
does not. (e.g. 'Option "ZAxisMapping" "4 5"').
@@ -4368,7 +4388,7 @@ ied)
Q-71: How can I get my AltGr and Shift modifiers to work between
keyboards for different languages?
- The option [504]-modtweak should help here. It is a mode that monitors
+ The option [511]-modtweak should help here. It is a mode that monitors
the state of the Shift and AltGr Modifiers and tries to deduce the
correct keycode to send, possibly by sending fake modifier key presses
and releases in addition to the actual keystroke.
@@ -4377,16 +4397,16 @@ ied)
to get the old behavior). This was done because it was noticed on
newer XFree86 setups even on bland "us" keyboards like "pc104 us"
XFree86 included a "ghost" key with both "<" and ">" it. This key does
- not exist on the keyboard (see [505]this FAQ for more info). Without
+ not exist on the keyboard (see [512]this FAQ for more info). Without
-modtweak there was then an ambiguity in the reverse map keysym =>
keycode, making it so the "<" symbol could not be typed.
- Also see the [506]FAQ about the -xkb option for a more powerful method
+ Also see the [513]FAQ about the -xkb option for a more powerful method
of modifier tweaking for use on X servers with the XKEYBOARD
extension.
When trying to resolve keyboard mapping problems, note that the
- [507]-debug_keyboard option prints out much info for every keystroke
+ [514]-debug_keyboard option prints out much info for every keystroke
and so can be useful debugging things.
@@ -4398,9 +4418,9 @@ ied)
(e.g. pc105 in the XF86Config file when it should be something else,
say pc104).
- Short Cut: Try the [508]-xkb or [509]-sloppy_keys options and see if
+ Short Cut: Try the [515]-xkb or [516]-sloppy_keys options and see if
that helps the situation. The discussion below is a bit outdated (e.g.
- [510]-modtweak is now the default) but it is useful reference for
+ [517]-modtweak is now the default) but it is useful reference for
various tricks and so is kept.
@@ -4443,17 +4463,17 @@ ied)
-remap less-comma
These are convenient in that they do not modify the actual X server
- settings. The former ([511]-modtweak) is a mode that monitors the
+ settings. The former ([518]-modtweak) is a mode that monitors the
state of the Shift and AltGr modifiers and tries to deduce the correct
keycode sequence to send. Since Jul/2004 -modtweak is now the default.
- The latter ([512]-remap less-comma) is an immediate remapping of the
+ The latter ([519]-remap less-comma) is an immediate remapping of the
keysym less to the keysym comma when it comes in from a client (so
when Shift is down the comma press will yield "<").
- See also the [513]FAQ about the -xkb option as a possible workaround
+ See also the [520]FAQ about the -xkb option as a possible workaround
using the XKEYBOARD extension.
- Note that the [514]-debug_keyboard option prints out much info for
+ Note that the [521]-debug_keyboard option prints out much info for
every keystroke to aid debugging keyboard problems.
@@ -4461,13 +4481,13 @@ ied)
(i.e. an extra comma).
This is likely because you press "Shift" then "<" but then released
- the Shift key before releasing the "<". Because of a [515]keymapping
+ the Shift key before releasing the "<". Because of a [522]keymapping
ambiguity the last event "< up" is interpreted as "," because that key
unshifted is the comma.
- This should not happen in [516]-xkb mode, because it works hard to
+ This should not happen in [523]-xkb mode, because it works hard to
resolve the ambiguities. If you do not want to use -xkb, try the
- option [517]-sloppy_keys to attempt a similar type of algorithm.
+ option [524]-sloppy_keys to attempt a similar type of algorithm.
Q-74: I'm using an "international" keyboard (e.g. German "de", or
@@ -4491,7 +4511,7 @@ ied)
In both cases no AltGr is sent to the VNC server, but we know AltGr is
needed on the physical international keyboard to type a "@".
- This all worked fine with x11vnc running with the [518]-modtweak
+ This all worked fine with x11vnc running with the [525]-modtweak
option (it figures out how to adjust the Modifier keys (Shift or
AltGr) to get the "@"). However it fails under recent versions of
XFree86 (and the X.org fork). These run the XKEYBOARD extension by
@@ -4508,7 +4528,7 @@ ied)
* there is a new option -xkb to use the XKEYBOARD extension API to
do the Modifier key tweaking.
- The [519]-xkb option seems to fix all of the missing keys: "@", "<",
+ The [526]-xkb option seems to fix all of the missing keys: "@", "<",
">", etc.: it is recommended that you try it if you have this sort of
problem. Let us know if there are any remaining problems (see the next
paragraph for some known problems). If you specify the -debug_keyboard
@@ -4516,7 +4536,7 @@ ied)
debugging output (send it along with any problems you report).
Update: as of Jun/2005 x11vnc will try to automatically enable
- [520]-xkb if it appears that would be beneficial (e.g. if it sees any
+ [527]-xkb if it appears that would be beneficial (e.g. if it sees any
of "@", "<", ">", "[" and similar keys are mapped in a way that needs
the -xkb to access them). To disable this automatic check use -noxkb.
@@ -4531,7 +4551,7 @@ ied)
was attached to keycode 93 (no physical key generates this
keycode) while ISO_Level3_Shift was attached to keycode 113. The
keycode skipping option was used to disable the ghost key:
- [521]-skip_keycodes 93
+ [528]-skip_keycodes 93
* In implementing -xkb we noticed that some characters were still
not getting through, e.g. "~" and "^". This is not really an
XKEYBOARD problem. What was happening was the VNC viewer was
@@ -4549,16 +4569,16 @@ ied)
What to do? In general the VNC protocol has not really solved this
problem: what should be done if the VNC viewer sends a keysym not
recognized by the VNC server side? Workarounds can possibly be
- created using the [522]-remap x11vnc option:
+ created using the [529]-remap x11vnc option:
-remap asciitilde-dead_tilde,asciicircum-dead_circumflex
etc. Use -remap filename if the list is long. Please send us your
workarounds for this problem on your keyboard. Perhaps we can have
x11vnc adjust automatically at some point. Also see the
- [523]-add_keysyms option in the next paragraph.
- Update: for convenience "[524]-remap DEAD" does many of these
+ [530]-add_keysyms option in the next paragraph.
+ Update: for convenience "[531]-remap DEAD" does many of these
mappings at once.
- * To complement the above workaround using the [525]-remap, an
- option [526]-add_keysyms was added. This option instructs x11vnc
+ * To complement the above workaround using the [532]-remap, an
+ option [533]-add_keysyms was added. This option instructs x11vnc
to bind any unknown Keysyms coming in from VNC viewers to unused
Keycodes in the X server. This modifies the global state of the X
server. When x11vnc exits it removes the extra keymappings it
@@ -4577,7 +4597,7 @@ ied)
Short answer: disable key autorepeating by running the command "xset r
off" on the Xserver where x11vnc is run (restore via "xset r on") or
- use the new (Jul/2004) [527]-norepeat x11vnc option. You will still
+ use the new (Jul/2004) [534]-norepeat x11vnc option. You will still
have autorepeating because that is taken care of on your VNC viewer
side.
@@ -4601,7 +4621,7 @@ ied)
off", does the problem go away?
The workaround is to manually apply "xset r off" and "xset r on" as
- needed, or to use the [528]-norepeat (which has since Dec/2004 been
+ needed, or to use the [535]-norepeat (which has since Dec/2004 been
made the default). Note that with X server autorepeat turned off the
VNC viewer side of the connection will (nearly always) do its own
autorepeating so there is no big loss here, unless someone is also
@@ -4612,7 +4632,7 @@ ied)
keystrokes!!
Are you using x11vnc to log in to an X session via display manager?
- (as described in [529]this FAQ) If so, x11vnc is starting before your
+ (as described in [536]this FAQ) If so, x11vnc is starting before your
session and it disables autorepeat when you connect, but then after
you log in your session startup (GNOME, KDE, ...) could be resetting
the autorepeat to be on. Or it could be something inside your desktop
@@ -4636,7 +4656,7 @@ ied)
machine where I run the VNC viewer does not. Is there a way I can map
a local unused key to send an AltGr? How about a Compose key as well?
- Something like "[530]-remap Super_R-Mode_switch" x11vnc option may
+ Something like "[537]-remap Super_R-Mode_switch" x11vnc option may
work. Note that Super_R is the "Right Windoze(tm) Flaggie" key; you
may want to choose another. The -debug_keyboard option comes in handy
in finding keysym names (so does xev(1)).
@@ -4659,7 +4679,7 @@ ied)
Since xmodmap(1) modifies the X server mappings you may not want to do
this (because it affects local work on that machine). Something like
- the [531]-remap Alt_L-Meta_L to x11vnc may be sufficient for ones
+ the [538]-remap Alt_L-Meta_L to x11vnc may be sufficient for ones
needs, and does not modify the X server environment. Note that you
cannot send Alt_L in this case, maybe -remap Super_L-Meta_L would be a
better choice if the Super_L key is typically unused in Unix.
@@ -4670,7 +4690,7 @@ ied)
This can be done directly in some X servers using AccessX and
Pointer_EnableKeys, but is a bit awkward. It may be more convenient to
- have x11vnc do the remapping. This can be done via the [532]-remap
+ have x11vnc do the remapping. This can be done via the [539]-remap
option using the fake "keysyms" Button1, Button2, etc. as the "to"
keys (i.e. the ones after the "-")
@@ -4679,7 +4699,7 @@ ied)
button "paste" because (using XFree86/Xorg Emulate3Buttons) you have
to click both buttons on the touch pad at the same time. This
remapping:
- [533]-remap Super_R-Button2
+ [540]-remap Super_R-Button2
maps the Super_R "flag" key press to the Button2 click, thereby making
X pasting a bit easier.
@@ -4698,10 +4718,10 @@ ied)
Caps_Lock in the viewer your local machine goes into the Caps_Lock on
state and sends keysym "A" say when you press "a". x11vnc will then
fake things up so that Shift is held down to generate "A". The
- [534]-skip_lockkeys option should help to accomplish this. For finer
- grain control use something like: "[535]-remap Caps_Lock-None".
+ [541]-skip_lockkeys option should help to accomplish this. For finer
+ grain control use something like: "[542]-remap Caps_Lock-None".
- Also try the [536]-nomodtweak and [537]-capslock options.
+ Also try the [543]-nomodtweak and [544]-capslock options.
[Screen Related Issues and Features]
@@ -4724,7 +4744,7 @@ ied)
There may also be scaling viewers out there (e.g. TightVNC or UltraVNC
on Windows) that automatically shrink or expand the remote framebuffer
to fit the local display. Especially for hand-held devices. See also
- [538]this FAQ on x11vnc scaling.
+ [545]this FAQ on x11vnc scaling.
Q-82: Does x11vnc support server-side framebuffer scaling? (E.g. to
@@ -4732,7 +4752,7 @@ ied)
As of Jun/2004 x11vnc provides basic server-side scaling. It is a
global scaling of the desktop, not a per-client setting. To enable it
- use the "[539]-scale fraction" option. "fraction" can either be a
+ use the "[546]-scale fraction" option. "fraction" can either be a
floating point number (e.g. -scale 0.5) or the alternative m/n
fraction notation (e.g. -scale 3/4). Note that if fraction is greater
than one the display is magnified.
@@ -4753,7 +4773,7 @@ ied)
One can also use the ":nb" with an integer scale factor (say "-scale
2:nb") to use x11vnc as a screen magnifier for vision impaired
- [540]applications. Since with integer scale factors the framebuffers
+ [547]applications. Since with integer scale factors the framebuffers
become huge and scaling operations time consuming, be sure to use
":nb" for the fastest response.
@@ -4779,7 +4799,7 @@ ied)
If one desires per-client scaling for something like 1:1 from a
workstation and 1:2 from a smaller device (e.g. handheld), currently
the only option is to run two (or more) x11vnc processes with
- different scalings listening on separate ports ([541]-rfbport option,
+ different scalings listening on separate ports ([548]-rfbport option,
etc.).
Update: As of May/2006 x11vnc also supports the UltraVNC server-side
@@ -4789,8 +4809,8 @@ ied)
"-rfbversion 3.6" for this to be recognized by UltraVNC viewers.
BTW, whenever you run two or more x11vnc's on the same X display and
- use the [542]GUI, then to avoid all of the x11vnc's simultaneously
- answering the gui you will need to use something like [543]"-connect
+ use the [549]GUI, then to avoid all of the x11vnc's simultaneously
+ answering the gui you will need to use something like [550]"-connect
file1 -gui ..." with different connect files for each x11vnc you want
to control via the gui (or remote-control). The "-connect file1" usage
gives separate communication channels between a x11vnc proces and the
@@ -4799,7 +4819,7 @@ ied)
Update: As of Mar/2005 x11vnc now scales the mouse cursor with the
same scale factor as the screen. If you don't want that, use the
- [544]"-scale_cursor frac" option to set the cursor scaling to a
+ [551]"-scale_cursor frac" option to set the cursor scaling to a
different factor (e.g. use "-scale_cursor 1" to keep the cursor at its
natural unscaled size).
@@ -4821,17 +4841,17 @@ ied)
screen is not rectangular (e.g. 1280x1024 and 1024x768 monitors joined
together), then there will be "non-existent" areas on the screen. The
X server will return "garbage" image data for these areas and so they
- may be distracting to the viewer. The [545]-blackout x11vnc option
+ may be distracting to the viewer. The [552]-blackout x11vnc option
allows you to blacken-out rectangles by manually specifying their
WxH+X+Y geometries. If your system has the libXinerama library, the
- [546]-xinerama x11vnc option can be used to have it automatically
+ [553]-xinerama x11vnc option can be used to have it automatically
determine the rectangles to be blackened out. (Note on 8bpp
PseudoColor displays the fill color may not be black). Update:
- [547]-xinerama is now on by default.
+ [554]-xinerama is now on by default.
Some users have reported that the mouse does not behave properly for
their Xinerama display: i.e. the mouse cannot be moved to all regions
- of the large display. If this happens try using the [548]-xwarppointer
+ of the large display. If this happens try using the [555]-xwarppointer
option. This instructs x11vnc to fake mouse pointer motions using the
XWarpPointer function instead of the XTestFakeMotionEvent XTEST
function. (This may be due to a bug in the X server for XTEST when
@@ -4856,23 +4876,23 @@ ied)
Note: if you are running on Solaris 8 or earlier you can easily hit up
against the maximum of 6 shm segments per process (for Xsun in this
case) from running multiple x11vnc processes. You should modify
- /etc/system as mentioned in another [549]FAQ to increase the limit. It
- is probably also a good idea to run with the [550]-onetile option in
+ /etc/system as mentioned in another [556]FAQ to increase the limit. It
+ is probably also a good idea to run with the [557]-onetile option in
this case (to limit each x11vnc to 3 shm segments), or even
- [551]-noshm to use no shm segments.
+ [558]-noshm to use no shm segments.
Q-85: Can x11vnc show only a portion of the display? (E.g. for a
special purpose rfb application).
- As of Mar/2005 x11vnc has the "[552]-clip WxH+X+Y" option to select a
+ As of Mar/2005 x11vnc has the "[559]-clip WxH+X+Y" option to select a
rectangle of width W, height H and offset (X, Y). Thus the VNC screen
will be the clipped sub-region of the display and be only WxH in size.
- One user used -clip to split up a large [553]Xinerama screen into two
+ One user used -clip to split up a large [560]Xinerama screen into two
more managable smaller screens.
This also works to view a sub-region of a single application window if
- the [554]-id or [555]-sid options are used. The offset is measured
+ the [561]-id or [562]-sid options are used. The offset is measured
from the upper left corner of the selected window.
@@ -4881,7 +4901,7 @@ ied)
crash.
As of Dec/2004 x11vnc supports XRANDR. You enable it with the
- [556]-xrandr option to make x11vnc monitor XRANDR events and also trap
+ [563]-xrandr option to make x11vnc monitor XRANDR events and also trap
X server errors if the screen change occurred in the middle of an X
call like XGetImage. Once it traps the screen change it will create a
new framebuffer using the new screen.
@@ -4891,7 +4911,7 @@ ied)
then the viewer will automatically resize. Otherwise, the new
framebuffer is fit as best as possible into the original viewer size
(portions of the screen may be clipped, unused, etc). For these
- viewers you can try the [557]-padgeom option to make the region big
+ viewers you can try the [564]-padgeom option to make the region big
enough to hold all resizes and rotations.
If you specify "-xrandr newfbsize" then vnc viewers that do not
@@ -4900,13 +4920,21 @@ ied)
terminate.
- Q-87: Why is the view in my VNC viewer completely black? Or why is
+ Q-87: Independent of any XRANDR, can I have x11vnc rotate and/or
+ reflect the screen that the VNC viewers see? (e.g. for a handheld
+ whose screen is rotated 90 degrees).
+
+ As of Jul/2006 there is the [565]-rotate option allow this. E.g's:
+ "-rotate +90", "-rotate -90", "-rotate x", etc.
+
+
+ Q-88: Why is the view in my VNC viewer completely black? Or why is
everything flashing around randomly?
See the next FAQ for a possible explanation.
- Q-88: I use Linux Virtual Consoles (VC's) to implement 'Fast User
+ Q-89: I use Linux Virtual Consoles (VC's) to implement 'Fast User
Switching' between users' sessions (e.g. Betty is on Ctrl-Alt-F7,
Bobby is on Ctrl-Alt-F8, and Sid is on Ctrl-Alt-F1: they use those
keystrokes to switch between their sessions). How come the view in a
@@ -4935,7 +4963,7 @@ ied)
"chvt 7" for VC #7.
- Q-89: I am using x11vnc where my local machine has "popup/hidden
+ Q-90: I am using x11vnc where my local machine has "popup/hidden
taskbars" (e.g. GNOME or MacOS X) and the remote display where x11vnc
runs also has "popup/hidden taskbars" (e.g. GNOME). When I move the
mouse to the edge of the screen where the popups happen, the taskbars
@@ -4948,7 +4976,7 @@ ied)
click on the task bar panel, and uncheck "enable auto-hide" from the
panel properties dialog box. This will make the panel always visible.
- Q-90: Can I use x11vnc to view my VMWare session remotely?
+ Q-91: Can I use x11vnc to view my VMWare session remotely?
Yes, since VMWare usually runs as an X application you can view it via
x11vnc in the normal way.
@@ -4959,9 +4987,9 @@ ied)
* Fullscreen mode
The way VMWare does Fullscreen mode on Linux is to display the Guest
- desktop in a separate Virtual Console (e.g. VC 8) (see [558]this FAQ
+ desktop in a separate Virtual Console (e.g. VC 8) (see [566]this FAQ
on VC's for background). Unfortunately, this Fullscreen VC is not an X
- server. So x11vnc cannot access it (however, [559]see this discussion
+ server. So x11vnc cannot access it (however, [567]see this discussion
of -rawfb for a possible workaround). x11vnc works fine with "Normal X
application window" and "Quick-Switch mode" because these use X.
@@ -4982,13 +5010,13 @@ ied)
improve response. One can also cut the display depth (e.g. to 16bpp)
in this 2nd X session to improve video performance. This 2nd X session
emulates Fullscreen mode to some degree and can be viewed via x11vnc
- as long as the VMWare X session [560]is in the active VC.
+ as long as the VMWare X session [568]is in the active VC.
Also note that with a little bit of playing with "xwininfo -all
-children" output one can extract the (non-toplevel) windowid of the
of the Guest desktop only when VMWare is running as a normal X
application. Then one can export just the guest desktop (i.e. without
- the VMWare menu buttons) by use of the [561]-id windowid option. The
+ the VMWare menu buttons) by use of the [569]-id windowid option. The
caveats are the X session VMWare is in must be in the active VC and
the window must be fully visible, so this mode is not terribly
convenient, but could be useful in some circumstances (e.g. running
@@ -4997,14 +5025,14 @@ ied)
mouse)).
- Q-91: Can non-X devices (e.g. a raw framebuffer) be viewed (and even
+ Q-92: Can non-X devices (e.g. a raw framebuffer) be viewed (and even
controlled) via VNC with x11vnc?
As of Apr/2005 there is support for this. Two options were added:
- "[562]-rawfb string" (to indicate the raw framembuffer device, file,
- etc. and its parameters) and "[563]-pipeinput command" (to provide an
+ "[570]-rawfb string" (to indicate the raw framembuffer device, file,
+ etc. and its parameters) and "[571]-pipeinput command" (to provide an
external program that will inject or otherwise process mouse and
- keystroke input). Some useful [564]-pipeinput schemes, VID, CONSOLE,
+ keystroke input). Some useful [572]-pipeinput schemes, VID, CONSOLE,
and UINPUT, have since been built into x11vnc for convenience.
This non-X mode for x11vnc is somewhat experimental because it is so
@@ -5042,9 +5070,9 @@ ied)
access method). Only use file if map isn't working. BTW, "mmap" is an
alias for "map" and if you do not supply a type and the file exists,
map is assumed (see the -help output and below for some exceptions to
- this). The "snap:" setting applies the [565]-snapfb option with
+ this). The "snap:" setting applies the [573]-snapfb option with
"file:" type reading (this is useful for exporting webcams or TV tuner
- video; see [566]the next FAQ for more info).
+ video; see [574]the next FAQ for more info).
Also, if the string is of the form "setup:cmd" then cmd is run and the
first line of its output retrieved and used as the rawfb string. This
@@ -5085,7 +5113,7 @@ ied)
screen to either shm or a mapped file. The format of these is XWD and
so the initial header should be skipped. BTW, since XWD is not
strictly RGB the view will only be approximate, but usable. Of course
- for the case of Xvfb x11vnc can poll it much better via the [567]X
+ for the case of Xvfb x11vnc can poll it much better via the [575]X
API, but you get the idea.
By default in -rawfb mode x11vnc will actually close any X display it
@@ -5108,30 +5136,30 @@ ied)
-rawfb rand /dev/urandom Random Bytes
-rawfb null /dev/zero Zero Bytes (black screen)
- The Linux console, /dev/fb0, etc needs to have its driver enable in
+ The Linux console, /dev/fb0, etc needs to have its driver enabled in
the kernel. Some of the drivers are video card specific and
accelerated. The console is either the Text consoles (usually
tty1-tty6), or X graphical display (usually starting at tty7). In
addition to text console may be other graphical ones may be viewed and
- interacted with, e.g. SVGAlib apps, VMWare non-X fullscreen, or
- [568]Qt-embedded apps (PDAs/Handhelds). By default the pipeinput
- mechanisms UINPUT and CONSOLE (keystrokes only) are automatically
- attempted in this mode under "-rawfb console".
+ interacted with, e.g. DirectFB or SVGAlib apps, VMWare non-X
+ fullscreen, or [576]Qt-embedded apps (PDAs/Handhelds). By default the
+ pipeinput mechanisms UINPUT and CONSOLE (keystrokes only) are
+ automatically attempted in this mode under "-rawfb console".
The Video4Linux Capture device, /dev/video0, etc is either a Webcam or
- a TV capture device and needs to have its driver enable in the kernel.
- See [569]this FAQ for details. If specified via "-rawfb Video" then
- the pipeinput method "VID" is applied (it lets you change video
+ a TV capture device and needs to have its driver enabled in the
+ kernel. See [577]this FAQ for details. If specified via "-rawfb Video"
+ then the pipeinput method "VID" is applied (it lets you change video
parameters dynamically via keystrokes).
The last two, /dev/urandom and /dev/zero are just for fun, but are
also useful in testing.
- All of the above [570]-rawfb options are just for viewing the raw
+ All of the above [578]-rawfb options are just for viewing the raw
framebuffer (although some of the aliases do imply keystroke and mouse
pipeinput methods). That may be enough for certain applications of
- this feature (e.g. suppose a [571]video camera mapped its framebuffer
+ this feature (e.g. suppose a [579]video camera mapped its framebuffer
into memory and you just wanted to look at it via VNC).
To handle the pointer and keyboard input from the viewer users the
"-pipeinput cmd" option was added to indicate a helper program to
@@ -5169,7 +5197,7 @@ ied)
keystrokes into the Linux console (e.g. the virtual consoles:
/dev/tty1, /dev/tty2, etc) in x11vnc/misc/vcinject.pl. It is based on
the vncterm/LinuxVNC.c program also in the libvncserver CVS. So to
- view and interact with VC #2 (assuming it is the [572]active VC) one
+ view and interact with VC #2 (assuming it is the [580]active VC) one
can run something like:
x11vnc -rawfb map:/dev/fb0@1024x768x16 -pipeinput './vcinject.pl 2'
@@ -5216,7 +5244,7 @@ ied)
something nonstandard, use "console:/dev/foofb"
If you do not want x11vnc to guess the framebuffer's WxHxB and
- masks automatically (sometimes the kernel given inaccurate
+ masks automatically (sometimes the kernel gives inaccurate
information), specify them with a @WxHxB at the end of the string.
The above is just an example of what can be done. Note that if you
@@ -5224,7 +5252,7 @@ ied)
better to use the more accurate and faster LinuxVNC program. The
advantage x11vnc -rawfb might have is that it can allow interaction
with a non-text application, e.g. one based on SVGAlib or
- [573]Qt-embedded Also, for example the [574]VMWare Fullscreen mode is
+ [581]Qt-embedded Also, for example the [582]VMWare Fullscreen mode is
actually viewable under -rawfb and can be interacted with if uinput is
enabled.
@@ -5241,12 +5269,12 @@ ied)
program that passes the framebuffer to libvncserver.
- Q-92: Can I export via VNC a Webcam or TV tuner framebuffer using
+ Q-93: Can I export via VNC a Webcam or TV tuner framebuffer using
x11vnc?
- Yes, this is possible to some degree with the [575]-rawfb option.
+ Yes, this is possible to some degree with the [583]-rawfb option.
There is no X11 involved: snapshots from the video capture device are
- used for the screen image data. See the [576]previous FAQ on -rawfb
+ used for the screen image data. See the [584]previous FAQ on -rawfb
for background. For best results, use x11vnc version 0.8.1 or later.
Roughly, one would do something like this:
@@ -5258,7 +5286,7 @@ ied)
snapshot to a file that you point -rawfb to; ask me if it is not clear
what to do).
- The "snap:" enforces [577]-snapfb mode which appears to be necessary.
+ The "snap:" enforces [585]-snapfb mode which appears to be necessary.
The read pointer for video capture devices cannot be repositioned
(which would be needed for scanline polling), but you can read a full
frame of data from the device.
@@ -5280,7 +5308,7 @@ ied)
Many video4linux drivers tend to set the framebuffer to be 24bpp (as
opposed to 32bpp). Since this can cause problems with VNC viewers,
- etc, the [578]-24to32 option will be automatically imposed when in
+ etc, the [586]-24to32 option will be automatically imposed when in
24bpp.
Note that by its very nature, video capture involves rapid change in
@@ -5288,7 +5316,7 @@ ied)
wavering in brightness is always happening. This can lead to much
network bandwidth consumption for the VNC traffic and also local CPU
and I/O resource usage. You may want to experiment with "dialing down"
- the framerate via the [579]-wait, [580]-slow_fb, or [581]-defer
+ the framerate via the [587]-wait, [588]-slow_fb, or [589]-defer
options. Decreasing the window size and bpp also helps.
@@ -5377,16 +5405,16 @@ ied)
format to HI240, RGB565, RGB24, RGB32, RGB555, and
GREY respectively. See -rawfb video for details.
- See also the [582]-freqtab option to supply your own xawtv channel to
+ See also the [590]-freqtab option to supply your own xawtv channel to
frequency mappings for your country (only ntsc-cable-us is built into
x11vnc).
- Q-93: Can I connect via VNC to a Qt-embedded/Qtopia application
+ Q-94: Can I connect via VNC to a Qt-embedded/Qtopia application
running on my handheld or PC using the Linux console framebuffer (i.e.
not X11)?
- Yes, the basic method for this is the [583]-rawfb scheme where the
+ Yes, the basic method for this is the [591]-rawfb scheme where the
Linux console framebuffer (usually /dev/fb0) is polled and the uinput
driver is used to inject keystrokes and mouse input. Often you will
just have to type:
@@ -5399,7 +5427,7 @@ ied)
x11vnc -rawfb /dev/fb0@640x480x16
Also, to force usage of the uinput injection method use "-pipeinput
- UINPUT". See the [584]-pipeinput description for tunable parameters,
+ UINPUT". See the [592]-pipeinput description for tunable parameters,
etc.
One problem with the x11vnc uinput scheme is that it cannot guess the
@@ -5415,7 +5443,7 @@ ied)
Even with the correct acceleration setting there is stil some drift
(probably because of the mouse threshold where the acceleration kicks
in) and so x11vnc needs to reposition the cursor from 0,0 about 5
- times a second. See the [585]-pipeinput UINPUT option for tuning
+ times a second. See the [593]-pipeinput UINPUT option for tuning
parameters that can be set (there are some experimental thresh=N
tuning parameters as well)
@@ -5442,24 +5470,26 @@ ied)
which is often what is desired from VNC.
- Q-94: Now that non-X11 devices can be exported via VNC using x11vnc,
+ Q-95: Now that non-X11 devices can be exported via VNC using x11vnc,
can I build it with no dependencies on X11 header files and libraries?
- Yes, as of Jul/2006 x11vnc supports building for [586]-rawfb only
+ Yes, as of Jul/2006 x11vnc enables building for [594]-rawfb only
support. Just do something like when building:
./configure --without-x (plus any other flags)
make
You can then test via "ldd x11vnc" that the binary does not depend on
- libX11.so, etc.
+ libX11.so, etc. See the previous FAQ's for non-X11 framebuffer usage.
+ If you use this for an interesting non-X11 application please let us
+ know what you did.
- Q-95: Can I use x11vnc to record a Shock Wave Flash (or other format)
+ Q-96: Can I use x11vnc to record a Shock Wave Flash (or other format)
video of my desktop, e.g. to record a tutorial or demo?
Yes, it is possible with a number of tools that record VNC and
transform it to swf format or others. One such popular tool is
- [587]pyvnc2swf. There are a number of [588]tutorials on how to do
+ [595]pyvnc2swf. There are a number of [596]tutorials on how to do
this. Another option is to use the vnc2mpg that comes in the
LibVNCServer package.
An important thing to remember when doing this is that tuning
@@ -5469,24 +5499,24 @@ ied)
[Misc: Clipboard, File Transfer, Sound, Beeps, Thanks, etc.]
- Q-96: Does the Clipboard/Selection get transferred between the
+ Q-97: Does the Clipboard/Selection get transferred between the
vncviewer and the X display?
As of Jan/2004 x11vnc supports the "CutText" part of the rfb protocol.
Furthermore, x11vnc is able to hold the PRIMARY and CLIPBOARD
selection (Xvnc does not seem to do this). If you don't want the
- Clipboard/Selection exchanged use the [589]-nosel option. If you don't
+ Clipboard/Selection exchanged use the [597]-nosel option. If you don't
want the PRIMARY selection to be polled for changes use the
- [590]-noprimary option. (with a similar thing for CLIPBOARD). You can
- also fine-tune it a bit with the [591]-seldir dir option and also
- [592]-input.
+ [598]-noprimary option. (with a similar thing for CLIPBOARD). You can
+ also fine-tune it a bit with the [599]-seldir dir option and also
+ [600]-input.
You may need to watch out for desktop utilities such as KDE's
"Klipper" that do odd things with the selection, clipboard, and
cutbuffers.
- Q-97: Can I transfer files back and forth with x11vnc?
+ Q-98: Can I transfer files back and forth with x11vnc?
As of Oct/2005 and May/2006 x11vnc enables, respectively, the TightVNC
and UltraVNC file transfer implementations that were added to
@@ -5494,7 +5524,7 @@ ied)
(and Windows viewers only support filetransfer it appears).
TightVNC file transfer is on by default, if you want to disable it use
- the [593]-nofilexfer option. UltraVNC file transfer is currently off
+ the [601]-nofilexfer option. UltraVNC file transfer is currently off
by default, to enable it use something like "-rfbversion 3.6
-permitfiletransfer"
options (UltraVNC incorrectly uses the RFB protocol version to
@@ -5502,7 +5532,7 @@ ied)
be version 3.6).
- Q-98: How can I hear the sound (audio) from the remote applications on
+ Q-99: How can I hear the sound (audio) from the remote applications on
the desktop I am viewing via x11vnc?
You will have to use an external network audio mechanism for this.
@@ -5598,7 +5628,7 @@ or:
the applications will fail to run because LD_PRELOAD will point to
libraries of the wrong wordsize.
- Q-99: Why don't I hear the "Beeps" in my X session (e.g. when typing
+ Q-100: Why don't I hear the "Beeps" in my X session (e.g. when typing
tput bel in an xterm)?
As of Dec/2003 "Beep" XBell events are tracked by default. The X
@@ -5606,16 +5636,16 @@ or:
in Solaris, see Xserver(1) for how to turn it on via +kb), and so you
won't hear them if the extension is not present.
- If you don't want to hear the beeps use the [594]-nobell option. If
+ If you don't want to hear the beeps use the [602]-nobell option. If
you want to hear the audio from the remote applications, consider
- trying a [595]redirector such as esd.
+ trying a [603]redirector such as esd.
Contributions:
- Q-100: Thanks for your program and for your help! Can I make a
+ Q-101: Thanks for your program and for your help! Can I make a
donation?
Please do (any amount is appreciated) and thank you for your support!
@@ -5697,529 +5727,537 @@ References
70. http://www.karlrunge.com/x11vnc/x11vnc-0.8.3.tar.gz
71. http://www.karlrunge.com/x11vnc/bins
72. mailto:x11vnc-beta@karlrunge.com
- 73. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rawfb
- 74. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-pipeinput
- 75. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-display_WAIT
- 76. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-display
- 77. http://www.karlrunge.com/x11vnc/index.html#faq-userlogin
- 78. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-grabkdb
- 79. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-grabptr
- 80. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-allowedcmds
- 81. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nocmds
- 82. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-env
- 83. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-allinput
- 84. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rawfb
- 85. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-license
- 86. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-ssl
- 87. http://www.openssl.org/
- 88. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-stunnel
- 89. http://www.stunnel.org/
- 90. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-sslverify
- 91. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-https
- 92. http://www.karlrunge.com/x11vnc/index.html#ssl_vncviewer
- 93. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-unixpw
- 94. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-unixpw_nis
- 95. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-ssl
- 96. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-localhost
- 97. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-stunnel
- 98. http://www.karlrunge.com/x11vnc/index.html#faq-userlogin
- 99. http://www.karlrunge.com/x11vnc/prevrels.html
- 100. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-solid
- 101. http://www.tightvnc.com/
- 102. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rfbport
- 103. http://www.karlrunge.com/x11vnc/x11vnc_opts.html
- 104. http://www.karlrunge.com/x11vnc/index.html#faq-passwd
- 105. http://www.karlrunge.com/x11vnc/recurse_x11vnc.jpg
- 106. http://wwws.sun.com/sunray/index.html
- 107. http://www.karlrunge.com/x11vnc/sunray.html
- 108. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-scrollcopyrect
- 109. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-wireframe
- 110. http://www.karlrunge.com/x11vnc/index.html#faq-xvfb
- 111. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-cursor
- 112. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-overlay
- 113. http://www.karlrunge.com/x11vnc/index.html#faq-sound
- 114. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-scrollcopyrect
- 115. mailto:xvml@karlrunge.com
- 116. http://www.karlrunge.com/x11vnc/index.html#faq-thanks
- 117. http://www.karlrunge.com/x11vnc/index.html#faq-xperms
- 118. http://www.karlrunge.com/x11vnc/index.html#faq-build
- 119. http://www.karlrunge.com/x11vnc/index.html#faq-missing-xtest
- 120. http://www.karlrunge.com/x11vnc/index.html#faq-solaris251build
- 121. http://www.karlrunge.com/x11vnc/index.html#faq-binaries
- 122. http://www.karlrunge.com/x11vnc/index.html#faq-viewer-download
- 123. http://www.karlrunge.com/x11vnc/index.html#faq-cmdline-opts
- 124. http://www.karlrunge.com/x11vnc/index.html#faq-config-file
- 125. http://www.karlrunge.com/x11vnc/index.html#faq-gui-tray
- 126. http://www.karlrunge.com/x11vnc/index.html#faq-quiet-bg
- 127. http://www.karlrunge.com/x11vnc/index.html#faq-sigpipe
- 128. http://www.karlrunge.com/x11vnc/index.html#faq-build-customizations
- 129. http://www.karlrunge.com/x11vnc/index.html#faq-win2vnc
- 130. http://www.karlrunge.com/x11vnc/index.html#faq-win2vnc-8bpp
- 131. http://www.karlrunge.com/x11vnc/index.html#faq-8bpp
- 132. http://www.karlrunge.com/x11vnc/index.html#faq-overlays
- 133. http://www.karlrunge.com/x11vnc/index.html#faq-windowid
- 134. http://www.karlrunge.com/x11vnc/index.html#faq-transients-id
- 135. http://www.karlrunge.com/x11vnc/index.html#faq-24bpp
- 136. http://www.karlrunge.com/x11vnc/index.html#faq-noshm
- 137. http://www.karlrunge.com/x11vnc/index.html#faq-xterminal-xauth
- 138. http://www.karlrunge.com/x11vnc/index.html#faq-sunrays
- 139. http://www.karlrunge.com/x11vnc/index.html#faq-stop-bg
- 140. http://www.karlrunge.com/x11vnc/index.html#faq-remote_control
- 141. http://www.karlrunge.com/x11vnc/index.html#faq-passwd
- 142. http://www.karlrunge.com/x11vnc/index.html#faq-passwd-noecho
- 143. http://www.karlrunge.com/x11vnc/index.html#faq-passwdfile
- 144. http://www.karlrunge.com/x11vnc/index.html#faq-multipasswd
- 145. http://www.karlrunge.com/x11vnc/index.html#faq-unix-passwords
- 146. http://www.karlrunge.com/x11vnc/index.html#faq-forever-shared
- 147. http://www.karlrunge.com/x11vnc/index.html#faq-allow-opt
- 148. http://www.karlrunge.com/x11vnc/index.html#faq-tcp_wrappers
- 149. http://www.karlrunge.com/x11vnc/index.html#faq-listen-interface
- 150. http://www.karlrunge.com/x11vnc/index.html#faq-listen-localhost
- 151. http://www.karlrunge.com/x11vnc/index.html#faq-input-opt
- 152. http://www.karlrunge.com/x11vnc/index.html#faq-accept-opt
- 153. http://www.karlrunge.com/x11vnc/index.html#faq-users-opt
- 154. http://www.karlrunge.com/x11vnc/index.html#faq-blockdpy
- 155. http://www.karlrunge.com/x11vnc/index.html#faq-gone-lock
- 156. http://www.karlrunge.com/x11vnc/index.html#faq-ssh-unix
- 157. http://www.karlrunge.com/x11vnc/index.html#faq-ssh-putty
- 158. http://www.karlrunge.com/x11vnc/index.html#faq-ssl-tunnel-ext
- 159. http://www.karlrunge.com/x11vnc/index.html#faq-ssl-tunnel-int
- 160. http://www.karlrunge.com/x11vnc/index.html#faq-ssl-tunnel-viewers
- 161. http://www.karlrunge.com/x11vnc/index.html#faq-ssl-java-viewer-proxy
- 162. http://www.karlrunge.com/x11vnc/index.html#faq-ssl-portal
- 163. http://www.karlrunge.com/x11vnc/index.html#faq-ssl-ca
- 164. http://www.karlrunge.com/x11vnc/index.html#faq-service
- 165. http://www.karlrunge.com/x11vnc/index.html#faq-display-manager
- 166. http://www.karlrunge.com/x11vnc/index.html#faq-inetd
- 167. http://www.karlrunge.com/x11vnc/index.html#faq-userlogin
- 168. http://www.karlrunge.com/x11vnc/index.html#faq-loop
- 169. http://www.karlrunge.com/x11vnc/index.html#faq-java-http
- 170. http://www.karlrunge.com/x11vnc/index.html#faq-reverse-connect
- 171. http://www.karlrunge.com/x11vnc/index.html#faq-xvfb
- 172. http://www.karlrunge.com/x11vnc/index.html#faq-headless
- 173. http://www.karlrunge.com/x11vnc/index.html#faq-solshm
- 174. http://www.karlrunge.com/x11vnc/index.html#faq-less-resource
- 175. http://www.karlrunge.com/x11vnc/index.html#faq-more-resource
- 176. http://www.karlrunge.com/x11vnc/index.html#faq-slow-link
- 177. http://www.karlrunge.com/x11vnc/index.html#faq-xdamage
- 178. http://www.karlrunge.com/x11vnc/index.html#faq-pointer-mode
- 179. http://www.karlrunge.com/x11vnc/index.html#faq-wireframe
- 180. http://www.karlrunge.com/x11vnc/index.html#faq-scrollcopyrect
- 181. http://www.karlrunge.com/x11vnc/index.html#faq-cursor-shape
- 182. http://www.karlrunge.com/x11vnc/index.html#faq-xfixes-alpha
- 183. http://www.karlrunge.com/x11vnc/index.html#faq-xfixes-alpha-hacks
- 184. http://www.karlrunge.com/x11vnc/index.html#faq-cursor-arrow
- 185. http://www.karlrunge.com/x11vnc/index.html#faq-cursor-positions
- 186. http://www.karlrunge.com/x11vnc/index.html#faq-buttonmap-opt
- 187. http://www.karlrunge.com/x11vnc/index.html#faq-altgr
- 188. http://www.karlrunge.com/x11vnc/index.html#faq-greaterless
- 189. http://www.karlrunge.com/x11vnc/index.html#faq-greaterless-sloppy
- 190. http://www.karlrunge.com/x11vnc/index.html#faq-xkbmodtweak
- 191. http://www.karlrunge.com/x11vnc/index.html#faq-repeated-keys
- 192. http://www.karlrunge.com/x11vnc/index.html#faq-repeated-keys-still
- 193. http://www.karlrunge.com/x11vnc/index.html#faq-remap-opt
- 194. http://www.karlrunge.com/x11vnc/index.html#faq-sun-alt-meta
- 195. http://www.karlrunge.com/x11vnc/index.html#faq-remap-button-click
- 196. http://www.karlrunge.com/x11vnc/index.html#faq-remap-capslock
- 197. http://www.karlrunge.com/x11vnc/index.html#faq-scrollbars
- 198. http://www.karlrunge.com/x11vnc/index.html#faq-scaling
- 199. http://www.karlrunge.com/x11vnc/index.html#faq-xinerama
- 200. http://www.karlrunge.com/x11vnc/index.html#faq-multi-screen
- 201. http://www.karlrunge.com/x11vnc/index.html#faq-clip-screen
- 202. http://www.karlrunge.com/x11vnc/index.html#faq-xrandr
- 203. http://www.karlrunge.com/x11vnc/index.html#faq-black-screen
- 204. http://www.karlrunge.com/x11vnc/index.html#faq-linuxvc
- 205. http://www.karlrunge.com/x11vnc/index.html#faq-hidden-taskbars
- 206. http://www.karlrunge.com/x11vnc/index.html#faq-vmware
- 207. http://www.karlrunge.com/x11vnc/index.html#faq-rawfb
- 208. http://www.karlrunge.com/x11vnc/index.html#faq-video
- 209. http://www.karlrunge.com/x11vnc/index.html#faq-qt-embedded
- 210. http://www.karlrunge.com/x11vnc/index.html#faq-no-x11
- 211. http://www.karlrunge.com/x11vnc/index.html#faq-record-swf
- 212. http://www.karlrunge.com/x11vnc/index.html#faq-clipboard
- 213. http://www.karlrunge.com/x11vnc/index.html#faq-filexfer
- 214. http://www.karlrunge.com/x11vnc/index.html#faq-sound
- 215. http://www.karlrunge.com/x11vnc/index.html#faq-beeps
- 216. http://www.karlrunge.com/x11vnc/index.html#faq-thanks
- 217. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-display
- 218. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-auth
- 219. http://www.karlrunge.com/x11vnc/index.html#faq-display-manager
- 220. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-users
- 221. http://www.karlrunge.com/x11vnc/index.html#solarisbuilding
- 222. http://www.karlrunge.com/x11vnc/x11vnc_sunos4.html
- 223. http://www.karlrunge.com/x11vnc/index.html#building
- 224. http://www.karlrunge.com/x11vnc/index.html#faq-build
- 225. http://packages.debian.org/x11vnc
- 226. http://www.linuxpackages.net/search_view.php?by=name&name=x11vnc
- 227. http://dag.wieers.com/packages/x11vnc/
- 228. http://dries.ulyssis.org/rpm/packages/x11vnc/info.html
- 229. http://linux01.gwdg.de/~pbleser/rpm-navigation.php?cat=Network/x11vnc/
- 230. http://www.sunfreeware.com/
- 231. http://www.freebsd.org/cgi/ports.cgi?query=x11vnc&stype=all
- 232. http://www.freshports.org/net/x11vnc
- 233. http://www.openbsd.org/3.9_packages/i386/x11vnc-0.6.2.tgz-long.html
- 234. http://pkgsrc.se/x11/x11vnc
- 235. http://mike.saunby.net/770/x11vnc/
- 236. http://www.pdaxrom.org/ipk_feed.php?menuid=11&showfeed=unstable#x11vnc
- 237. http://www.focv.com/ipkg/
- 238. http://www.karlrunge.com/x11vnc/bins
- 239. http://www.tightvnc.com/download.html
- 240. http://www.realvnc.com/download-free.html
- 241. http://sourceforge.net/projects/cotvnc/
- 242. http://www.ultravnc.com/
- 243. http://www.karlrunge.com/x11vnc/x11vnc_opts.html
- 244. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-gui
- 245. http://www.karlrunge.com/x11vnc/index.html#faq-gui-tray
- 246. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-q
- 247. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-bg
- 248. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-o
- 249. http://www.karlrunge.com/x11vnc/index.html#solarisbuilding
- 250. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nofb
- 251. http://fredrik.hubbe.net/x2vnc.html
- 252. http://www.hubbe.net/~hubbe/win2vnc.html
- 253. http://www.deboer.gmxhome.de/
- 254. http://sourceforge.net/projects/win2vnc/
- 255. http://fredrik.hubbe.net/x2vnc.html
- 256. http://freshmeat.net/projects/x2x/
- 257. http://ftp.digital.com/pub/Digital/SRC/x2x/
- 258. http://zapek.com/software/zvnc/
- 259. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-visual
- 260. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-flashcmap
- 261. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-8to24
- 262. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-notruecolor
- 263. http://www.karlrunge.com/x11vnc/index.html#faq-8bpp
- 264. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-overlay
- 265. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-8to24
- 266. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-overlay
+ 73. http://www.karlrunge.com/x11vnc/index.html#faq-ssl-tunnel-int
+ 74. http://www.karlrunge.com/x11vnc/index.html#ssl_vncviewer
+ 75. http://www.karlrunge.com/x11vnc/index.html#faq-ssl-tunnel-ext
+ 76. http://www.karlrunge.com/x11vnc/enhanced_tight_vncviewer.html
+ 77. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rawfb
+ 78. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-pipeinput
+ 79. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-display_WAIT
+ 80. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-display
+ 81. http://www.karlrunge.com/x11vnc/index.html#faq-userlogin
+ 82. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-grabkdb
+ 83. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-grabptr
+ 84. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-allowedcmds
+ 85. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nocmds
+ 86. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-env
+ 87. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-allinput
+ 88. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rawfb
+ 89. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-license
+ 90. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-ssl
+ 91. http://www.openssl.org/
+ 92. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-stunnel
+ 93. http://www.stunnel.org/
+ 94. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-sslverify
+ 95. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-https
+ 96. http://www.karlrunge.com/x11vnc/index.html#ssl_vncviewer
+ 97. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-unixpw
+ 98. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-unixpw_nis
+ 99. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-ssl
+ 100. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-localhost
+ 101. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-stunnel
+ 102. http://www.karlrunge.com/x11vnc/index.html#faq-userlogin
+ 103. http://www.karlrunge.com/x11vnc/prevrels.html
+ 104. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-solid
+ 105. http://www.tightvnc.com/
+ 106. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rfbport
+ 107. http://www.karlrunge.com/x11vnc/x11vnc_opts.html
+ 108. http://www.karlrunge.com/x11vnc/index.html#faq-passwd
+ 109. http://www.karlrunge.com/x11vnc/recurse_x11vnc.jpg
+ 110. http://wwws.sun.com/sunray/index.html
+ 111. http://www.karlrunge.com/x11vnc/sunray.html
+ 112. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-scrollcopyrect
+ 113. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-wireframe
+ 114. http://www.karlrunge.com/x11vnc/index.html#faq-xvfb
+ 115. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-cursor
+ 116. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-overlay
+ 117. http://www.karlrunge.com/x11vnc/index.html#faq-sound
+ 118. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-scrollcopyrect
+ 119. mailto:xvml@karlrunge.com
+ 120. http://www.karlrunge.com/x11vnc/index.html#faq-thanks
+ 121. http://www.karlrunge.com/x11vnc/index.html#faq-xperms
+ 122. http://www.karlrunge.com/x11vnc/index.html#faq-build
+ 123. http://www.karlrunge.com/x11vnc/index.html#faq-missing-xtest
+ 124. http://www.karlrunge.com/x11vnc/index.html#faq-solaris251build
+ 125. http://www.karlrunge.com/x11vnc/index.html#faq-binaries
+ 126. http://www.karlrunge.com/x11vnc/index.html#faq-viewer-download
+ 127. http://www.karlrunge.com/x11vnc/index.html#faq-cmdline-opts
+ 128. http://www.karlrunge.com/x11vnc/index.html#faq-config-file
+ 129. http://www.karlrunge.com/x11vnc/index.html#faq-gui-tray
+ 130. http://www.karlrunge.com/x11vnc/index.html#faq-quiet-bg
+ 131. http://www.karlrunge.com/x11vnc/index.html#faq-sigpipe
+ 132. http://www.karlrunge.com/x11vnc/index.html#faq-build-customizations
+ 133. http://www.karlrunge.com/x11vnc/index.html#faq-win2vnc
+ 134. http://www.karlrunge.com/x11vnc/index.html#faq-win2vnc-8bpp
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+ 586. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-24to32
+ 587. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-wait
+ 588. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-slow_fb
+ 589. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-defer
+ 590. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-freqtab
+ 591. http://www.karlrunge.com/x11vnc/index.html#faq-rawfb
+ 592. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-pipeinput
+ 593. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-pipeinput
+ 594. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-rawfb
+ 595. http://www.unixuser.org/~euske/vnc2swf/
+ 596. http://wolphination.com/linux/2006/06/30/how-to-record-videos-of-your-desktop/
+ 597. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nosel
+ 598. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-noprimary
+ 599. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-seldir
+ 600. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-input
+ 601. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nofilexfer
+ 602. http://www.karlrunge.com/x11vnc/x11vnc_opts.html#opt-nobell
+ 603. http://www.karlrunge.com/x11vnc/index.html#faq-sound
=======================================================================
http://www.karlrunge.com/x11vnc/chainingssh.html:
@@ -7395,7 +7433,7 @@ x11vnc: a VNC server for real X displays
Here are all of x11vnc command line options:
% x11vnc -opts (see below for -help long descriptions)
-x11vnc: allow VNC connections to real X11 displays. 0.8.3 lastmod: 2006-07-17
+x11vnc: allow VNC connections to real X11 displays. 0.8.3 lastmod: 2006-07-28
x11vnc options:
-display disp -auth file -id windowid
@@ -7420,46 +7458,47 @@ x11vnc options:
-noshm -flipbyteorder -onetile
-solid [color] -blackout string -xinerama
-noxinerama -xtrap -xrandr [mode]
- -padgeom WxH -o logfile -flag file
- -rc filename -norc -env VAR=VALUE
- -h, -help -?, -opts -V, -version
- -license -dbg -q
- -bg -modtweak -nomodtweak
- -xkb -noxkb -capslock
- -skip_lockkeys -skip_keycodes string -sloppy_keys
- -skip_dups -noskip_dups -add_keysyms
- -noadd_keysyms -clear_mods -clear_keys
- -remap string -norepeat -repeat
- -nofb -nobell -nosel
- -noprimary -nosetprimary -noclipboard
- -nosetclipboard -seldir string -cursor [mode]
- -nocursor -arrow n -noxfixes
- -alphacut n -alphafrac fraction -alpharemove
- -noalphablend -nocursorshape -cursorpos
- -nocursorpos -xwarppointer -buttonmap string
- -nodragging -wireframe [str] -nowireframe
- -wirecopyrect mode -nowirecopyrect -debug_wireframe
- -scrollcopyrect mode -noscrollcopyrect -scr_area n
- -scr_skip list -scr_inc list -scr_keys list
- -scr_term list -scr_keyrepeat lo-hi -scr_parms string
- -fixscreen string -debug_scroll -noxrecord
- -grab_buster -nograb_buster -debug_grabs
- -debug_sel -pointer_mode n -input_skip n
- -allinput -speeds rd,bw,lat -wmdt string
- -debug_pointer -debug_keyboard -defer time
- -wait time -wait_ui factor -nowait_bog
- -slow_fb time -readtimeout n -nap
- -nonap -sb time -nofbpm
- -fbpm -noxdamage -xd_area A
- -xd_mem f -sigpipe string -threads
- -nothreads -fs f -gaps n
- -grow n -fuzz n -debug_tiles
- -snapfb -rawfb string -freqtab file
- -pipeinput cmd -gui [gui-opts] -remote command
- -query variable -QD variable -sync
- -noremote -yesremote -unsafe
- -safer -privremote -nocmds
- -allowedcmds list -deny_all
+ -rotate string -padgeom WxH -o logfile
+ -flag file -rc filename -norc
+ -env VAR=VALUE -h, -help -?, -opts
+ -V, -version -license -dbg
+ -q -bg -modtweak
+ -nomodtweak -xkb -noxkb
+ -capslock -skip_lockkeys -skip_keycodes string
+ -sloppy_keys -skip_dups -noskip_dups
+ -add_keysyms -noadd_keysyms -clear_mods
+ -clear_keys -remap string -norepeat
+ -repeat -nofb -nobell
+ -nosel -noprimary -nosetprimary
+ -noclipboard -nosetclipboard -seldir string
+ -cursor [mode] -nocursor -arrow n
+ -noxfixes -alphacut n -alphafrac fraction
+ -alpharemove -noalphablend -nocursorshape
+ -cursorpos -nocursorpos -xwarppointer
+ -buttonmap string -nodragging -wireframe [str]
+ -nowireframe -wirecopyrect mode -nowirecopyrect
+ -debug_wireframe -scrollcopyrect mode -noscrollcopyrect
+ -scr_area n -scr_skip list -scr_inc list
+ -scr_keys list -scr_term list -scr_keyrepeat lo-hi
+ -scr_parms string -fixscreen string -debug_scroll
+ -noxrecord -grab_buster -nograb_buster
+ -debug_grabs -debug_sel -pointer_mode n
+ -input_skip n -allinput -speeds rd,bw,lat
+ -wmdt string -debug_pointer -debug_keyboard
+ -defer time -wait time -wait_ui factor
+ -nowait_bog -slow_fb time -readtimeout n
+ -nap -nonap -sb time
+ -nofbpm -fbpm -noxdamage
+ -xd_area A -xd_mem f -sigpipe string
+ -threads -nothreads -fs f
+ -gaps n -grow n -fuzz n
+ -debug_tiles -snapfb -rawfb string
+ -freqtab file -pipeinput cmd -gui [gui-opts]
+ -remote command -query variable -QD variable
+ -sync -noremote -yesremote
+ -unsafe -safer -privremote
+ -nocmds -allowedcmds list -deny_all
+
libvncserver options:
-rfbport port TCP port for RFB protocol
@@ -7493,7 +7532,7 @@ libvncserver-tight-extension options:
% x11vnc -help
-x11vnc: allow VNC connections to real X11 displays. 0.8.3 lastmod: 2006-07-17
+x11vnc: allow VNC connections to real X11 displays. 0.8.3 lastmod: 2006-07-28
(type "x11vnc -opts" to just list the options.)
@@ -8094,8 +8133,9 @@ Options:
can place a colon at the end of his username and
supply a few options: scale=, scale_cursor= (or sc=),
solid (or so), id=, clear_mods (or cm), clear_keys
- (or ck), repeat, speeds= (or sp=), or readtimeout=
- (or rd=) separated by commas if there is more than one.
+ (or ck), repeat, speeds= (or sp=), readtimeout=
+ (or rd=), or rotate= (or ro=) separated by commas if the
+re is more than one.
After the user logs in successfully, these options will
be applied to the VNC screen. For example,
@@ -8916,6 +8956,38 @@ Options:
encoding, and then resize the framebuffer. "exit"
means disconnect all viewer clients, and then terminate
x11vnc.
+
+-rotate string Rotate and/or flip the framebuffer view exported by VNC.
+ This transformation is independent of XRANDR and is
+ done in software in main memory and so may be slower.
+ This mode could be useful on a handheld with portrait or
+ landscape modes that do not correspond to the scanline
+ order of the actual framebuffer. "string" can be:
+
+ x flip along x-axis
+ y flip along y-axis
+ xy flip along x- and y-axes
+ +90 rotate 90 degrees clockwise
+ -90 rotate 90 degrees counter-clockwise
+ +90x rotate 90 degrees CW, then flip along x
+ +90y rotate 90 degrees CW, then flip along y
+
+ these give all possible rotations and reflections.
+
+ Aliases: same as xy: yx, +180, -180, 180
+ same as -90: +270, 270
+ same as +90: 90, (ditto for 90x, 90y)
+
+ Like -scale, this transformation is applied at the very
+ end of any chain of framebuffer transformations and so
+ any options with geometries, e.g. -blackout, -clip, etc.
+ are relative to the original X (or -rawfb) framebuffer,
+ not the final one sent to VNC viewers.
+
+ If you do not want the cursor shape to be rotated
+ prefix "string" with "nc:", e.g. "nc:+90",
+ "nc:xy", etc.
+
-padgeom WxH Whenever a new vncviewer connects, the framebuffer is
replaced with a fake, solid black one of geometry WxH.
Shortly afterwards the framebuffer is replaced with the
@@ -10023,7 +10095,7 @@ Options:
If you do not want x11vnc to guess the framebuffer's
WxHxB and masks automatically (sometimes the kernel
- given inaccurate information), specify them with a
+ gives inaccurate information), specify them with a
@WxHxB at the end of the string.
Examples:
@@ -10374,6 +10446,7 @@ n
xrandr enable -xrandr mode. (if applicable)
noxrandr disable -xrandr mode.
xrandr_mode:mode set the -xrandr mode to "mode".
+ rotate:mode set the -rotate mode to "mode".
padgeom:WxH set -padgeom to WxH (empty to disable)
If WxH is "force" or "do" the padded
geometry fb is immediately applied.
@@ -10578,7 +10651,7 @@ n
listen lookup nolookup accept afteraccept gone shm
noshm flipbyteorder noflipbyteorder onetile noonetile
solid_color solid nosolid blackout xinerama noxinerama
- xtrap noxtrap xrandr noxrandr xrandr_mode padgeom
+ xtrap noxtrap xrandr noxrandr xrandr_mode rotate padgeom
quiet q noquiet modtweak nomodtweak xkb noxkb capslock
nocapslock skip_lockkeys noskip_lockkeys skip_keycodes
sloppy_keys nosloppy_keys skip_dups noskip_dups
@@ -10601,9 +10674,9 @@ n
nograbkbd grabptr nograbptr client_input speeds wmdt
debug_pointer dp nodebug_pointer nodp debug_keyboard
dk nodebug_keyboard nodk deferupdate defer wait_ui
- wait_bog nowait_bog slow_fb wait readtimeout nap
- nonap sb screen_blank fbpm nofbpm fs gaps grow
- fuzz snapfb nosnapfb rawfb uinput_accel uinput_reset
+ wait_bog nowait_bog slow_fb wait readtimeout nap nonap
+ sb screen_blank fbpm nofbpm fs gaps grow fuzz snapfb
+ nosnapfb rawfb uinput_accel uinput_thresh uinput_reset
uinput_always progressive rfbport http nohttp httpport
httpdir enablehttpproxy noenablehttpproxy alwaysshared
noalwaysshared nevershared noalwaysshared dontdisconnect
diff --git a/x11vnc/cursor.c b/x11vnc/cursor.c
index c0fe2228fe8bfa95b91766e37a6d73d21373b0f2..f014a98e722d954e21a91c5d02a7596aa6008cd1 100644
--- a/x11vnc/cursor.c
+++ b/x11vnc/cursor.c
@@ -82,6 +82,19 @@ static void curs_copy(cursor_info_t *dest, cursor_info_t *src) {
dest->sy = src->sy;
dest->reverse = src->reverse;
dest->rfb = src->rfb;
+
+ if (rotating && rotating_cursors && dest->data != NULL) {
+ int tx, ty;
+ rotate_curs(dest->data, src->data, src->wx, src->wy, 1);
+ rotate_curs(dest->mask, src->mask, src->wx, src->wy, 1);
+ rotate_coords(dest->sx, dest->sy, &tx, &ty, src->wx, src->wy);
+ dest->sx = tx;
+ dest->sy = ty;
+ if (! rotating_same) {
+ dest->wx = src->wy;
+ dest->wy = src->wx;
+ }
+ }
}
/* empty cursor */
@@ -1317,6 +1330,27 @@ static int get_xfixes_cursor(int init) {
cursors[use]->rfb = NULL;
}
+ if (rotating && rotating_cursors) {
+ char *dst;
+ int tx, ty;
+ int w = xfc->width;
+ int h = xfc->height;
+
+ dst = (char *) malloc(w * h * 4);
+ rotate_curs(dst, (char *) xfc->pixels, w, h, 4);
+
+ memcpy(xfc->pixels, dst, w * h * 4);
+ free(dst);
+
+ rotate_coords(xfc->xhot, xfc->yhot, &tx, &ty, w, h);
+ xfc->xhot = tx;
+ xfc->yhot = ty;
+ if (! rotating_same) {
+ xfc->width = h;
+ xfc->height = w;
+ }
+ }
+
/* place cursor into our collection */
cursors[use]->rfb = pixels2curs(xfc->pixels, xfc->width,
xfc->height, xfc->xhot, xfc->yhot, bpp/8);
diff --git a/x11vnc/help.c b/x11vnc/help.c
index 28e9498c7384e9de08fb1b83e24f9d4c7523d6c1..60aa9df1774d67c0d2f31dd377d109b22d4c3b57 100644
--- a/x11vnc/help.c
+++ b/x11vnc/help.c
@@ -326,7 +326,7 @@ void print_help(int mode) {
" to the program location and in standard locations\n"
" (/usr/local/share/x11vnc/classes, etc). Under -ssl or\n"
" -stunnel the ssl classes subdirectory is sought.\n"
-#ifndef REL8x
+#ifndef NO_SSL_OR_UNIXPW
"-http_ssl As -http, but force lookup for ssl classes subdir.\n"
#endif
"\n"
@@ -458,7 +458,7 @@ void print_help(int mode) {
" and last line be \"__BEGIN_VIEWONLY__\" to have 2\n"
" full-access passwords)\n"
"\n"
-#ifndef REL8x
+#ifndef NO_SSL_OR_UNIXPW
"-unixpw [list] Use Unix username and password authentication. x11vnc\n"
" uses the su(1) program to verify the user's password.\n"
" [list] is an optional comma separated list of allowed\n"
@@ -615,7 +615,7 @@ void print_help(int mode) {
" of the form XAUTHORITY=<file> or raw xauthority data for\n"
" the display (e.g. \"xauth extract - $DISPLAY\" output).\n"
"\n"
-#ifndef REL8x
+#ifndef NO_SSL_OR_UNIXPW
" In the case of -unixpw (but not -unixpw_nis), then the\n"
" above command is run as the user who just authenticated\n"
" via the login and password prompt.\n"
@@ -624,8 +624,8 @@ void print_help(int mode) {
" can place a colon at the end of his username and\n"
" supply a few options: scale=, scale_cursor= (or sc=),\n"
" solid (or so), id=, clear_mods (or cm), clear_keys\n"
-" (or ck), repeat, speeds= (or sp=), or readtimeout=\n"
-" (or rd=) separated by commas if there is more than one.\n"
+" (or ck), repeat, speeds= (or sp=), readtimeout=\n"
+" (or rd=), or rotate= (or ro=) separated by commas if there is more than one.\n"
" After the user logs in successfully, these options will\n"
" be applied to the VNC screen. For example,\n"
"\n"
@@ -682,7 +682,7 @@ void print_help(int mode) {
" the VNC client first attaches to since some VNC viewers\n"
" will not automatically adjust to a new framebuffer size.\n"
"\n"
-#ifndef REL8x
+#ifndef NO_SSL_OR_UNIXPW
"-ssl [pem] Use the openssl library (www.openssl.org) to provide a\n"
" built-in encrypted SSL tunnel between VNC viewers and\n"
" x11vnc. This requires libssl support to be compiled\n"
@@ -1450,6 +1450,38 @@ void print_help(int mode) {
" encoding, and then resize the framebuffer. \"exit\"\n"
" means disconnect all viewer clients, and then terminate\n"
" x11vnc.\n"
+"\n"
+"-rotate string Rotate and/or flip the framebuffer view exported by VNC.\n"
+" This transformation is independent of XRANDR and is\n"
+" done in software in main memory and so may be slower.\n"
+" This mode could be useful on a handheld with portrait or\n"
+" landscape modes that do not correspond to the scanline\n"
+" order of the actual framebuffer. \"string\" can be:\n"
+"\n"
+" x flip along x-axis\n"
+" y flip along y-axis\n"
+" xy flip along x- and y-axes\n"
+" +90 rotate 90 degrees clockwise\n"
+" -90 rotate 90 degrees counter-clockwise\n"
+" +90x rotate 90 degrees CW, then flip along x\n"
+" +90y rotate 90 degrees CW, then flip along y\n"
+"\n"
+" these give all possible rotations and reflections.\n"
+"\n"
+" Aliases: same as xy: yx, +180, -180, 180\n"
+" same as -90: +270, 270\n"
+" same as +90: 90, (ditto for 90x, 90y)\n"
+"\n"
+" Like -scale, this transformation is applied at the very\n"
+" end of any chain of framebuffer transformations and so\n"
+" any options with geometries, e.g. -blackout, -clip, etc.\n"
+" are relative to the original X (or -rawfb) framebuffer,\n"
+" not the final one sent to VNC viewers.\n"
+"\n"
+" If you do not want the cursor shape to be rotated\n"
+" prefix \"string\" with \"nc:\", e.g. \"nc:+90\",\n"
+" \"nc:xy\", etc.\n"
+"\n"
"-padgeom WxH Whenever a new vncviewer connects, the framebuffer is\n"
" replaced with a fake, solid black one of geometry WxH.\n"
" Shortly afterwards the framebuffer is replaced with the\n"
@@ -2565,7 +2597,7 @@ void print_help(int mode) {
"\n"
" If you do not want x11vnc to guess the framebuffer's\n"
" WxHxB and masks automatically (sometimes the kernel\n"
-" given inaccurate information), specify them with a\n"
+" gives inaccurate information), specify them with a\n"
" @WxHxB at the end of the string.\n"
"\n"
" Examples:\n"
@@ -2923,6 +2955,7 @@ void print_help(int mode) {
" xrandr enable -xrandr mode. (if applicable)\n"
" noxrandr disable -xrandr mode.\n"
" xrandr_mode:mode set the -xrandr mode to \"mode\".\n"
+" rotate:mode set the -rotate mode to \"mode\".\n"
" padgeom:WxH set -padgeom to WxH (empty to disable)\n"
" If WxH is \"force\" or \"do\" the padded\n"
" geometry fb is immediately applied.\n"
@@ -3126,7 +3159,7 @@ void print_help(int mode) {
" listen lookup nolookup accept afteraccept gone shm\n"
" noshm flipbyteorder noflipbyteorder onetile noonetile\n"
" solid_color solid nosolid blackout xinerama noxinerama\n"
-" xtrap noxtrap xrandr noxrandr xrandr_mode padgeom\n"
+" xtrap noxtrap xrandr noxrandr xrandr_mode rotate padgeom\n"
" quiet q noquiet modtweak nomodtweak xkb noxkb capslock\n"
" nocapslock skip_lockkeys noskip_lockkeys skip_keycodes\n"
" sloppy_keys nosloppy_keys skip_dups noskip_dups\n"
@@ -3149,9 +3182,9 @@ void print_help(int mode) {
" nograbkbd grabptr nograbptr client_input speeds wmdt\n"
" debug_pointer dp nodebug_pointer nodp debug_keyboard\n"
" dk nodebug_keyboard nodk deferupdate defer wait_ui\n"
-" wait_bog nowait_bog slow_fb wait readtimeout nap\n"
-" nonap sb screen_blank fbpm nofbpm fs gaps grow\n"
-" fuzz snapfb nosnapfb rawfb uinput_accel uinput_reset\n"
+" wait_bog nowait_bog slow_fb wait readtimeout nap nonap\n"
+" sb screen_blank fbpm nofbpm fs gaps grow fuzz snapfb\n"
+" nosnapfb rawfb uinput_accel uinput_thresh uinput_reset\n"
" uinput_always progressive rfbport http nohttp httpport\n"
" httpdir enablehttpproxy noenablehttpproxy alwaysshared\n"
" noalwaysshared nevershared noalwaysshared dontdisconnect\n"
diff --git a/x11vnc/params.h b/x11vnc/params.h
index 4f83f9c1f165d6aeb78878a83aa2e0f4ad113afe..9af635acd825aa64127d4b42a02265b1bacf9816 100644
--- a/x11vnc/params.h
+++ b/x11vnc/params.h
@@ -42,4 +42,13 @@
#define MAX_BUTTONS 5
+#define ROTATE_NONE 0
+#define ROTATE_X 1
+#define ROTATE_Y 2
+#define ROTATE_XY 3
+#define ROTATE_90 4
+#define ROTATE_90X 5
+#define ROTATE_90Y 6
+#define ROTATE_270 7
+
#endif /* _X11VNC_PARAMS_H */
diff --git a/x11vnc/pointer.c b/x11vnc/pointer.c
index 81581d16c235dcc84037ea99600f9509f7ee9d5f..700fda01f8f4ceeea4294e21b02a5dcb80b0808a 100644
--- a/x11vnc/pointer.c
+++ b/x11vnc/pointer.c
@@ -646,6 +646,10 @@ void pointer(int mask, int x, int y, rfbClientPtr client) {
return;
}
+ if (rotating) {
+ rotate_coords_inverse(x, y, &x, &y, -1, -1);
+ }
+
if (scaling) {
/* map from rfb size to X11 size: */
x = ((double) x / scaled_x) * dpy_x;
diff --git a/x11vnc/rates.c b/x11vnc/rates.c
index 7b00238f0abc2ea87bc2621e64254ff8ef9370ad..8d3a6b532f670b8bf0f7d1239722bb1e3af2f0fb 100644
--- a/x11vnc/rates.c
+++ b/x11vnc/rates.c
@@ -536,7 +536,7 @@ if (db) fprintf(stderr, "dt3 calc: num rects req: %d/%d mod: %d/%d "
} else if (got_t3 == 2) {
dt3 = dts[1];
} else {
- if (dts[2] >= 0.0) {
+ if (dts[2] > 0.0) {
double rat = dts[1]/dts[2];
if (rat > 0.5 && rat < 2.0) {
dt3 = dts[1]+dts[2];
diff --git a/x11vnc/remote.c b/x11vnc/remote.c
index d1ef26a7d76167e60590745cfc3c29002f8d80e3..24815a8d6dc3a6284fe143e81df51d8f698db322 100644
--- a/x11vnc/remote.c
+++ b/x11vnc/remote.c
@@ -1897,6 +1897,20 @@ char *process_remote_cmd(char *cmd, int stringonly) {
rfbLog("remote_cmd: XRANDR ext. not present.\n");
}
+ } else if (strstr(p, "rotate") == p) {
+ COLON_CHECK("rotate:")
+ if (query) {
+ snprintf(buf, bufn, "ans=%s%s%s", p, co,
+ NONUL(rotating_str));
+ goto qry;
+ }
+ p += strlen("rotate:");
+ if (rotating_str) free(rotating_str);
+ rotating_str = strdup(p);
+ rfbLog("remote_cmd: set rotate to \"%s\"\n", rotating_str);
+
+ do_new_fb(0);
+
} else if (strstr(p, "padgeom") == p) {
COLON_CHECK("padgeom:")
if (query) {
@@ -4035,7 +4049,7 @@ char *process_remote_cmd(char *cmd, int stringonly) {
snprintf(buf, bufn, "aro=%s:%d", p, no_external_cmds);
} else if (!strcmp(p, "passwdfile")) {
snprintf(buf, bufn, "aro=%s:%s", p, NONUL(passwdfile));
-#ifndef REL8x
+#ifndef NO_SSL_OR_UNIXPW
} else if (!strcmp(p, "unixpw")) {
snprintf(buf, bufn, "aro=%s:%d", p, unixpw);
} else if (!strcmp(p, "unixpw_nis")) {
diff --git a/x11vnc/scan.c b/x11vnc/scan.c
index 05e0aaec04c37f469d4ec0d641047aeb9ae1c144..313f53e038e01e8333abe581c7b345eb61e7d199 100644
--- a/x11vnc/scan.c
+++ b/x11vnc/scan.c
@@ -1181,9 +1181,78 @@ void scale_rect(double factor, int blend, int interpolate, int Bpp,
}
}
+/*
+ Framebuffers data flow:
+
+ General case:
+ -------- -------- -------- --------
+ ----- |8to24_fb| |main_fb | |snap_fb | | X |
+ |rfbfb| <== | | <== | | <== | | <== | Server |
+ ----- -------- -------- -------- --------
+ (to vnc) (optional) (usu = rfbfb) (optional) (read only)
+
+ 8to24_fb mode will create side fbs: poll24_fb and poll8_fb for
+ bookkeepping the different regions (merged into 8to24_fb).
+
+ Normal case:
+ -------- --------
+ |main_fb | | X |
+ |= rfb_fb| <== | Server |
+ -------- --------
+
+ Scaling case:
+ -------- --------
+ ----- |main_fb | | X |
+ |rfbfb| <== | | <== | Server |
+ ----- -------- --------
+
+ Webcam/video case:
+ -------- -------- --------
+ |main_fb | |snap_fb | | Video |
+ | | <== | | <== | device |
+ -------- -------- --------
+
+If we ever do a -rr rotation/reflection tran, it probably should
+be done after any scaling (need a rr_fb for intermediate results)
+
+-rr option: transformation:
+
+ none x -> x;
+ y -> y;
+
+ x x -> w - x - 1;
+ y -> y;
+
+ y x -> x;
+ x -> h - y - 1;
+
+ xy x -> w - x - 1;
+ y -> h - y - 1;
+
+ +90 x -> h - y - 1;
+ y -> x;
+
+ +90x x -> y;
+ y -> x;
+
+ +90y x -> h - y - 1;
+ y -> w - x - 1;
+
+ -90 x -> y;
+ y -> w - x - 1;
+
+some aliases:
+
+ xy: yx, +180, -180, 180
+ +90: 90
+ +90x: 90x
+ +90y: 90y
+ -90: +270, 270
+ */
+
void scale_and_mark_rect(int X1, int Y1, int X2, int Y2) {
- char *src_fb = main_fb;
- int Bpp = bpp/8, fac = 1;
+ char *dst_fb, *src_fb = main_fb;
+ int dst_bpl, Bpp = bpp/8, fac = 1;
if (!screen || !rfb_fb || !main_fb) {
return;
@@ -1213,10 +1282,309 @@ void scale_and_mark_rect(int X1, int Y1, int X2, int Y2) {
fac = 4;
}
}
+ dst_fb = rfb_fb;
+ dst_bpl = rfb_bytes_per_line;
scale_rect(scale_fac, scaling_blend, scaling_interpolate, fac * Bpp,
- src_fb, fac * main_bytes_per_line, rfb_fb, rfb_bytes_per_line,
- dpy_x, dpy_y, scaled_x, scaled_y, X1, Y1, X2, Y2, 1);
+ src_fb, fac * main_bytes_per_line, dst_fb, dst_bpl, dpy_x, dpy_y,
+ scaled_x, scaled_y, X1, Y1, X2, Y2, 1);
+}
+
+void rotate_coords(int x, int y, int *xo, int *yo, int dxi, int dyi) {
+ int xi = x, yi = y;
+ int Dx, Dy;
+
+ if (dxi >= 0) {
+ Dx = dxi;
+ Dy = dyi;
+ } else if (scaling) {
+ Dx = scaled_x;
+ Dy = scaled_y;
+ } else {
+ Dx = dpy_x;
+ Dy = dpy_y;
+ }
+
+ if (rotating == ROTATE_NONE) {
+ *xo = xi;
+ *yo = yi;
+ } else if (rotating == ROTATE_X) {
+ *xo = Dx - xi - 1;
+ *yo = yi;
+ } else if (rotating == ROTATE_Y) {
+ *xo = xi;
+ *yo = Dy - yi - 1;
+ } else if (rotating == ROTATE_XY) {
+ *xo = Dx - xi - 1;
+ *yo = Dy - yi - 1;
+ } else if (rotating == ROTATE_90) {
+ *xo = Dy - yi - 1;
+ *yo = xi;
+ } else if (rotating == ROTATE_90X) {
+ *xo = yi;
+ *yo = xi;
+ } else if (rotating == ROTATE_90Y) {
+ *xo = Dy - yi - 1;
+ *yo = Dx - xi - 1;
+ } else if (rotating == ROTATE_270) {
+ *xo = yi;
+ *yo = Dx - xi - 1;
+ }
+}
+
+void rotate_coords_inverse(int x, int y, int *xo, int *yo, int dxi, int dyi) {
+ int xi = x, yi = y;
+
+ int Dx, Dy;
+
+ if (dxi >= 0) {
+ Dx = dxi;
+ Dy = dyi;
+ } else if (scaling) {
+ Dx = scaled_x;
+ Dy = scaled_y;
+ } else {
+ Dx = dpy_x;
+ Dy = dpy_y;
+ }
+ if (! rotating_same) {
+ int t = Dx;
+ Dx = Dy;
+ Dy = t;
+ }
+
+ if (rotating == ROTATE_NONE) {
+ *xo = xi;
+ *yo = yi;
+ } else if (rotating == ROTATE_X) {
+ *xo = Dx - xi - 1;
+ *yo = yi;
+ } else if (rotating == ROTATE_Y) {
+ *xo = xi;
+ *yo = Dy - yi - 1;
+ } else if (rotating == ROTATE_XY) {
+ *xo = Dx - xi - 1;
+ *yo = Dy - yi - 1;
+ } else if (rotating == ROTATE_90) {
+ *xo = yi;
+ *yo = Dx - xi - 1;
+ } else if (rotating == ROTATE_90X) {
+ *xo = yi;
+ *yo = xi;
+ } else if (rotating == ROTATE_90Y) {
+ *xo = Dy - yi - 1;
+ *yo = Dx - xi - 1;
+ } else if (rotating == ROTATE_270) {
+ *xo = Dy - yi - 1;
+ *yo = xi;
+ }
+}
+
+ /* unroll the Bpp loop to be used in each case: */
+#define ROT_COPY \
+ src = src_0 + fbl*y + Bpp*x; \
+ dst = dst_0 + rbl*yn + Bpp*xn; \
+ if (Bpp == 1) { \
+ *(dst) = *(src); \
+ } else if (Bpp == 2) { \
+ *(dst+0) = *(src+0); \
+ *(dst+1) = *(src+1); \
+ } else if (Bpp == 3) { \
+ *(dst+0) = *(src+0); \
+ *(dst+1) = *(src+1); \
+ *(dst+2) = *(src+2); \
+ } else if (Bpp == 4) { \
+ *(dst+0) = *(src+0); \
+ *(dst+1) = *(src+1); \
+ *(dst+2) = *(src+2); \
+ *(dst+3) = *(src+3); \
+ }
+
+void rotate_fb(int x1, int y1, int x2, int y2) {
+ int x, y, xn, yn, r_x1, r_y1, r_x2, r_y2, Bpp = bpp/8;
+ int fbl = rfb_bytes_per_line;
+ int rbl = rot_bytes_per_line;
+ int Dx, Dy;
+ char *src, *dst;
+ char *src_0 = rfb_fb;
+ char *dst_0 = rot_fb;
+
+ if (! rotating || ! rot_fb) {
+ return;
+ }
+
+ if (scaling) {
+ Dx = scaled_x;
+ Dy = scaled_y;
+ } else {
+ Dx = dpy_x;
+ Dy = dpy_y;
+ }
+ rotate_coords(x1, y1, &r_x1, &r_y1, -1, -1);
+ rotate_coords(x2, y2, &r_x2, &r_y2, -1, -1);
+
+ dst = rot_fb;
+
+ if (rotating == ROTATE_X) {
+ for (y = y1; y < y2; y++) {
+ for (x = x1; x < x2; x++) {
+ xn = Dx - x - 1;
+ yn = y;
+ ROT_COPY
+ }
+ }
+ } else if (rotating == ROTATE_Y) {
+ for (y = y1; y < y2; y++) {
+ for (x = x1; x < x2; x++) {
+ xn = x;
+ yn = Dy - y - 1;
+ ROT_COPY
+ }
+ }
+ } else if (rotating == ROTATE_XY) {
+ for (y = y1; y < y2; y++) {
+ for (x = x1; x < x2; x++) {
+ xn = Dx - x - 1;
+ yn = Dy - y - 1;
+ ROT_COPY
+ }
+ }
+ } else if (rotating == ROTATE_90) {
+ for (y = y1; y < y2; y++) {
+ for (x = x1; x < x2; x++) {
+ xn = Dy - y - 1;
+ yn = x;
+ ROT_COPY
+ }
+ }
+ } else if (rotating == ROTATE_90X) {
+ for (y = y1; y < y2; y++) {
+ for (x = x1; x < x2; x++) {
+ xn = y;
+ yn = x;
+ ROT_COPY
+ }
+ }
+ } else if (rotating == ROTATE_90Y) {
+ for (y = y1; y < y2; y++) {
+ for (x = x1; x < x2; x++) {
+ xn = Dy - y - 1;
+ yn = Dx - x - 1;
+ ROT_COPY
+ }
+ }
+ } else if (rotating == ROTATE_270) {
+ for (y = y1; y < y2; y++) {
+ for (x = x1; x < x2; x++) {
+ xn = y;
+ yn = Dx - x - 1;
+ ROT_COPY
+ }
+ }
+ }
+}
+
+void rotate_curs(char *dst_0, char *src_0, int Dx, int Dy, int Bpp) {
+ int x, y, xn, yn;
+ char *src, *dst;
+ int fbl, rbl;
+
+ if (! rotating) {
+ return;
+ }
+
+ fbl = Dx * Bpp;
+ if (rotating_same) {
+ rbl = Dx * Bpp;
+ } else {
+ rbl = Dy * Bpp;
+ }
+
+ if (rotating == ROTATE_X) {
+ for (y = 0; y < Dy; y++) {
+ for (x = 0; x < Dx; x++) {
+ xn = Dx - x - 1;
+ yn = y;
+ ROT_COPY
+if (0) fprintf(stderr, "rcurs: %d %d %d %d\n", x, y, xn, yn);
+ }
+ }
+ } else if (rotating == ROTATE_Y) {
+ for (y = 0; y < Dy; y++) {
+ for (x = 0; x < Dx; x++) {
+ xn = x;
+ yn = Dy - y - 1;
+ ROT_COPY
+ }
+ }
+ } else if (rotating == ROTATE_XY) {
+ for (y = 0; y < Dy; y++) {
+ for (x = 0; x < Dx; x++) {
+ xn = Dx - x - 1;
+ yn = Dy - y - 1;
+ ROT_COPY
+ }
+ }
+ } else if (rotating == ROTATE_90) {
+ for (y = 0; y < Dy; y++) {
+ for (x = 0; x < Dx; x++) {
+ xn = Dy - y - 1;
+ yn = x;
+ ROT_COPY
+ }
+ }
+ } else if (rotating == ROTATE_90X) {
+ for (y = 0; y < Dy; y++) {
+ for (x = 0; x < Dx; x++) {
+ xn = y;
+ yn = x;
+ ROT_COPY
+ }
+ }
+ } else if (rotating == ROTATE_90Y) {
+ for (y = 0; y < Dy; y++) {
+ for (x = 0; x < Dx; x++) {
+ xn = Dy - y - 1;
+ yn = Dx - x - 1;
+ ROT_COPY
+ }
+ }
+ } else if (rotating == ROTATE_270) {
+ for (y = 0; y < Dy; y++) {
+ for (x = 0; x < Dx; x++) {
+ xn = y;
+ yn = Dx - x - 1;
+ ROT_COPY
+ }
+ }
+ }
+}
+
+void mark_wrapper(int x1, int y1, int x2, int y2) {
+ int t, r_x1 = x1, r_y1 = y1, r_x2 = x2, r_y2 = y2;
+
+ if (rotating) {
+ /* well we hope rot_fb will always be the last one... */
+ rotate_coords(x1, y1, &r_x1, &r_y1, -1, -1);
+ rotate_coords(x2, y2, &r_x2, &r_y2, -1, -1);
+ rotate_fb(x1, y1, x2, y2);
+ if (r_x1 > r_x2) {
+ t = r_x1;
+ r_x1 = r_x2;
+ r_x2 = t;
+ }
+ if (r_y1 > r_y2) {
+ t = r_y1;
+ r_y1 = r_y2;
+ r_y2 = t;
+ }
+ /* painting errors */
+ r_x1--;
+ r_x2++;
+ r_y1--;
+ r_y2++;
+ }
+ rfbMarkRectAsModified(screen, r_x1, r_y1, r_x2, r_y2);
}
void mark_rect_as_modified(int x1, int y1, int x2, int y2, int force) {
@@ -1243,8 +1611,9 @@ void mark_rect_as_modified(int x1, int y1, int x2, int y2, int force) {
}
}
+
if (rfb_fb == main_fb || force) {
- rfbMarkRectAsModified(screen, x1, y1, x2, y2);
+ mark_wrapper(x1, y1, x2, y2);
return;
}
@@ -1255,7 +1624,7 @@ void mark_rect_as_modified(int x1, int y1, int x2, int y2, int force) {
if (scaling) {
scale_and_mark_rect(x1, y1, x2, y2);
} else {
- rfbMarkRectAsModified(screen, x1, y1, x2, y2);
+ mark_wrapper(x1, y1, x2, y2);
}
}
diff --git a/x11vnc/screen.c b/x11vnc/screen.c
index 1c21ed34f4f381588e9c46077ba0f6736f5754d2..5b58375fd658adfb6820db1b168f738b8b36abe8 100644
--- a/x11vnc/screen.c
+++ b/x11vnc/screen.c
@@ -29,12 +29,13 @@ void set_colormap(int reset);
void set_nofb_params(int restore);
void set_raw_fb_params(int restore);
void do_new_fb(int reset_mem);
-void free_old_fb(char *old_main, char *old_rfb, char *old_8to24, char *old_snap_fb);
+void free_old_fb(void);
void check_padded_fb(void);
void install_padded_fb(char *geom);
XImage *initialize_xdisplay_fb(void);
void parse_scale_string(char *str, double *factor, int *scaling, int *blend,
int *nomult4, int *pad, int *interpolate, int *numer, int *denom);
+int parse_rotate_string(char *str, int *mode);
int scale_round(int len, double fac);
void initialize_screen(int *argc, char **argv, XImage *fb);
void set_vnc_desktop_name(void);
@@ -657,24 +658,34 @@ static void nofb_hook(rfbClientPtr cl) {
screen->displayHook = NULL;
}
-void free_old_fb(char *old_main, char *old_rfb, char *old_8to24, char *old_snap_fb) {
- if (old_main) {
- free(old_main);
- }
- if (old_rfb) {
- if (old_rfb != old_main) {
- free(old_rfb);
+void free_old_fb(void) {
+ char *fbs[16];
+ int i, j, nfb = 0, db = 0;
+
+ fbs[nfb++] = main_fb; main_fb = NULL;
+ fbs[nfb++] = rfb_fb; rfb_fb = NULL;
+ fbs[nfb++] = cmap8to24_fb; cmap8to24_fb = NULL;
+ fbs[nfb++] = snap_fb; snap_fb = NULL;
+ fbs[nfb++] = rot_fb; rot_fb = NULL;
+ fbs[nfb++] = raw_fb; raw_fb = NULL;
+
+ for (i=0; i < nfb; i++) {
+ char *fb = fbs[i];
+ int freeit = 1;
+ if (! fb || fb < (char *) 0x10) {
+ continue;
}
- }
- if (old_8to24) {
- if (old_8to24 != old_main && old_8to24 != old_rfb) {
- free(old_8to24);
+ for (j=0; j < i; j++) {
+ if (fb == fbs[j]) {
+ freeit = 0;
+ break;
+ }
}
- }
- if (old_snap_fb) {
- if (old_snap_fb != old_main && old_snap_fb != old_rfb &&
- old_snap_fb != old_8to24) {
- free(old_snap_fb);
+ if (freeit) {
+ if (db) fprintf(stderr, "free: %i %p\n", i, fb);
+ free(fb);
+ } else {
+ if (db) fprintf(stderr, "skip: %i %p\n", i, fb);
}
}
}
@@ -694,15 +705,7 @@ void do_new_fb(int reset_mem) {
free_tiles();
}
- free_old_fb(main_fb, rfb_fb, cmap8to24_fb, snap_fb);
-
- if (raw_fb == main_fb || raw_fb == rfb_fb) {
- raw_fb = NULL;
- }
- main_fb = NULL;
- rfb_fb = NULL;
- cmap8to24_fb = NULL;
- snap_fb = NULL;
+ free_old_fb();
fb = initialize_xdisplay_fb();
@@ -1766,6 +1769,35 @@ void parse_scale_string(char *str, double *factor, int *scaling, int *blend,
free(tstr);
}
+int parse_rotate_string(char *str, int *mode) {
+ int m = ROTATE_NONE;
+ if (str == NULL || !strcmp(str, "") || !strcmp(str, "0")) {
+ m = ROTATE_NONE;
+ } else if (!strcmp(str, "x")) {
+ m = ROTATE_X;
+ } else if (!strcmp(str, "y")) {
+ m = ROTATE_Y;
+ } else if (!strcmp(str, "xy") || !strcmp(str, "yx") ||
+ !strcmp(str,"+180") || !strcmp(str,"-180") || !strcmp(str,"180")) {
+ m = ROTATE_XY;
+ } else if (!strcmp(str, "+90") || !strcmp(str, "90")) {
+ m = ROTATE_90;
+ } else if (!strcmp(str, "+90x") || !strcmp(str, "90x")) {
+ m = ROTATE_90X;
+ } else if (!strcmp(str, "+90y") || !strcmp(str, "90y")) {
+ m = ROTATE_90Y;
+ } else if (!strcmp(str, "-90") || !strcmp(str, "270") ||
+ !strcmp(str, "+270")) {
+ m = ROTATE_270;
+ } else {
+ rfbLog("invalid -rotate mode: %s\n", str);
+ }
+ if (mode) {
+ *mode = m;
+ }
+ return m;
+}
+
int scale_round(int len, double fac) {
double eps = 0.000001;
@@ -1837,6 +1869,28 @@ static void setup_scaling(int *width_in, int *height_in) {
}
}
+static void setup_rotating(void) {
+ char *rs = rotating_str;
+
+ rotating_cursors = 1;
+ if (rs && strstr(rs, "nc:") == rs) {
+ rs += strlen("nc:");
+ rotating_cursors = 0;
+ }
+
+ rotating = parse_rotate_string(rs, NULL);
+ if (! rotating) {
+ rotating_cursors = 0;
+ }
+
+ if (rotating == ROTATE_90 || rotating == ROTATE_90X ||
+ rotating == ROTATE_90Y || rotating == ROTATE_270) {
+ rotating_same = 0;
+ } else {
+ rotating_same = 1;
+ }
+}
+
/*
* initialize the rfb framebuffer/screen
*/
@@ -1892,8 +1946,27 @@ void initialize_screen(int *argc, char **argv, XImage *fb) {
rfb_bytes_per_line = main_bytes_per_line;
}
+ setup_rotating();
+
+ if (rotating) {
+ if (! rotating_same) {
+ int t, b = main_bytes_per_line / fb->width;
+ if (scaling) {
+ rot_bytes_per_line = b * height;
+ } else {
+ rot_bytes_per_line = b * fb->height;
+ }
+ t = width;
+ width = height; /* The big swap... */
+ height = t;
+ } else {
+ rot_bytes_per_line = rfb_bytes_per_line;
+ }
+ }
+
if (cmap8to24 && depth == 8) {
rfb_bytes_per_line *= 4;
+ rot_bytes_per_line *= 4;
}
/*
@@ -1965,7 +2038,11 @@ void initialize_screen(int *argc, char **argv, XImage *fb) {
}
/* set up format from scratch: */
- screen->paddedWidthInBytes = rfb_bytes_per_line;
+ if (rotating && ! rotating_same) {
+ screen->paddedWidthInBytes = rot_bytes_per_line;
+ } else {
+ screen->paddedWidthInBytes = rfb_bytes_per_line;
+ }
screen->serverFormat.bitsPerPixel = fb_bpp;
screen->serverFormat.depth = fb_depth;
screen->serverFormat.trueColour = TRUE;
@@ -2155,6 +2232,8 @@ void initialize_screen(int *argc, char **argv, XImage *fb) {
main_bytes_per_line);
fprintf(stderr, " rfb_fb_bytes_per_line: %d\n",
rfb_bytes_per_line);
+ fprintf(stderr, " rot_fb_bytes_per_line: %d\n",
+ rot_bytes_per_line);
switch(fb->format) {
case XYBitmap:
fprintf(stderr, " format: XYBitmap\n"); break;
@@ -2201,11 +2280,13 @@ void initialize_screen(int *argc, char **argv, XImage *fb) {
main_fb = NULL;
rfb_fb = main_fb;
cmap8to24_fb = NULL;
+ rot_fb = NULL;
screen->displayHook = nofb_hook;
} else {
main_fb = fb->data;
rfb_fb = NULL;
cmap8to24_fb = NULL;
+ rot_fb = NULL;
if (cmap8to24) {
int n = main_bytes_per_line * fb->height;
@@ -2215,20 +2296,39 @@ void initialize_screen(int *argc, char **argv, XImage *fb) {
cmap8to24_fb = (char *) malloc(n);
memset(cmap8to24_fb, 0, n);
}
+
+ if (rotating) {
+ int n = rot_bytes_per_line * height;
+ rot_fb = (char *) malloc(n);
+ memset(rot_fb, 0, n);
+ }
+
if (scaling) {
- rfb_fb = (char *) malloc(rfb_bytes_per_line * height);
- memset(rfb_fb, 0, rfb_bytes_per_line * height);
+ int n = rfb_bytes_per_line * height;
+
+ if (rotating && ! rotating_same) {
+ n = rot_bytes_per_line * height;
+ }
+
+ rfb_fb = (char *) malloc(n);
+ memset(rfb_fb, 0, n);
+
} else if (cmap8to24) {
rfb_fb = cmap8to24_fb;
} else {
rfb_fb = main_fb;
}
}
- screen->frameBuffer = rfb_fb;
+ if (rot_fb) {
+ screen->frameBuffer = rot_fb;
+ } else {
+ screen->frameBuffer = rfb_fb;
+ }
if (!quiet) {
fprintf(stderr, " rfb_fb: %p\n", rfb_fb);
fprintf(stderr, " main_fb: %p\n", main_fb);
fprintf(stderr, " 8to24_fb: %p\n", cmap8to24_fb);
+ fprintf(stderr, " rot_fb: %p\n", rot_fb);
fprintf(stderr, " snap_fb: %p\n", snap_fb);
fprintf(stderr, " raw_fb: %p\n", raw_fb);
fprintf(stderr, " fake_fb: %p\n", fake_fb);
@@ -2241,7 +2341,7 @@ void initialize_screen(int *argc, char **argv, XImage *fb) {
setup_cursors_and_push();
- if (scaling || cmap8to24) {
+ if (scaling || rotating || cmap8to24) {
mark_rect_as_modified(0, 0, dpy_x, dpy_y, 0);
}
diff --git a/x11vnc/screen.h b/x11vnc/screen.h
index da5541f1c3d9dc501ce47a6b8ca413c689961ec4..fe59704552e8517e2db5098dfafb7e8635c95b6e 100644
--- a/x11vnc/screen.h
+++ b/x11vnc/screen.h
@@ -10,13 +10,14 @@ extern void set_colormap(int reset);
extern void set_nofb_params(int restore);
extern void set_raw_fb_params(int restore);
extern void do_new_fb(int reset_mem);
-extern void free_old_fb(char *old_main, char *old_rfb, char *old_8to24, char *old_snap_fb);
+extern void free_old_fb(void);
extern void check_padded_fb(void);
extern void install_padded_fb(char *geom);
extern XImage *initialize_xdisplay_fb(void);
extern XImage *initialize_raw_fb(int);
extern void parse_scale_string(char *str, double *factor, int *scaling, int *blend,
int *nomult4, int *pad, int *interpolate, int *numer, int *denom);
+extern int parse_rotate_string(char *str, int *mode);
extern int scale_round(int len, double fac);
extern void initialize_screen(int *argc, char **argv, XImage *fb);
extern void set_vnc_desktop_name(void);
diff --git a/x11vnc/solid.c b/x11vnc/solid.c
index 947c8ce65676d39897ea674c26a9295ab592a6ab..e5ff5cf9223eb25619150b723159ec65b26a1fe8 100644
--- a/x11vnc/solid.c
+++ b/x11vnc/solid.c
@@ -673,7 +673,13 @@ char *guess_desktop(void) {
if (prop != None) return "gnome";
prop = XInternAtom(dpy, "KWIN_RUNNING", True);
- if (prop != None) return "kde";
+ if (prop != None) {
+ prop = XInternAtom(dpy, "_KDE_RUNNING", True);
+ if (prop != None) {
+ prop = XInternAtom(dpy, "KDE_DESKTOP_WINDOW", True);
+ if (prop != None) return "kde";
+ }
+ }
prop = XInternAtom(dpy, "_MOTIF_WM_INFO", True);
if (prop != None) {
diff --git a/x11vnc/sslcmds.c b/x11vnc/sslcmds.c
index e22c252f2200d191d6ec6c57b197fe1da24f991f..cf699108b4ebe56f643c805decc2f58b5e8be9b4 100644
--- a/x11vnc/sslcmds.c
+++ b/x11vnc/sslcmds.c
@@ -15,7 +15,7 @@
#endif
#endif
-#ifdef REL8x
+#ifdef NO_SSL_OR_UNIXPW
#undef SSLCMDS
#endif
diff --git a/x11vnc/sslhelper.c b/x11vnc/sslhelper.c
index 5e62df8d6dcb9e3018742a237a0c6218e46a5d4a..7ad09732004adb7d663d341036eaad7fd8d0b72f 100644
--- a/x11vnc/sslhelper.c
+++ b/x11vnc/sslhelper.c
@@ -20,7 +20,7 @@
#endif
#endif
-#ifdef REL8x
+#ifdef NO_SSL_OR_UNIXPW
#undef FORK_OK
#undef LIBVNCSERVER_HAVE_LIBSSL
#define LIBVNCSERVER_HAVE_LIBSSL 0
@@ -923,14 +923,7 @@ static void lose_ram(void) {
* without doing exec(). we really should re-exec, but a pain
* to redo all SSL ctx.
*/
- free_old_fb(main_fb, rfb_fb, cmap8to24_fb, snap_fb);
- if (raw_fb == main_fb || raw_fb == rfb_fb) {
- raw_fb = NULL;
- }
- main_fb = NULL;
- rfb_fb = NULL;
- cmap8to24_fb = NULL;
- snap_fb = NULL;
+ free_old_fb();
free_tiles();
}
@@ -1406,6 +1399,8 @@ void accept_openssl(int mode) {
int f_in = fileno(stdin);
int f_out = fileno(stdout);
+ if (db) fprintf(stderr, "helper pid in: %d %d %d %d\n", f_in, f_out, sock, listen);
+
/* reset all handlers to default (no interrupted() calls) */
unset_signals();
@@ -1442,6 +1437,7 @@ void accept_openssl(int mode) {
" back to: %d\n", getpid(), cport);
exit(1);
}
+ if (db) fprintf(stderr, "vncsock %d\n", vncsock);
/* try to initialize SSL with the remote client */
@@ -2370,10 +2366,9 @@ static void init_prng(void) {
void raw_xfer(int csock, int s_in, int s_out) {
char buf[8192];
- int sz = 8192, n, m, status;
+ int sz = 8192, n, m, status, db = 1;
#ifdef FORK_OK
pid_t pid = fork();
- int db = 1;
/* this is for testing, no SSL just socket redir */
if (pid < 0) {
@@ -2389,7 +2384,7 @@ void raw_xfer(int csock, int s_in, int s_out) {
} else if (n > 0) {
int len = n;
char *src = buf;
-if (db > 1) write(2, buf, n);
+ if (db > 1) write(2, buf, n);
while (len > 0) {
m = write(s_out, src, len);
if (m > 0) {
@@ -2400,7 +2395,7 @@ if (db > 1) write(2, buf, n);
if (m < 0 && (errno == EINTR || errno == EAGAIN)) {
continue;
}
- if (db) fprintf(stderr, "raw_xfer bad write: %d -> %d | %d/%d errno=%d\n", csock, s_out, m, n, errno);
+if (db) fprintf(stderr, "raw_xfer bad write: %d -> %d | %d/%d errno=%d\n", csock, s_out, m, n, errno);
break;
}
}
@@ -2419,7 +2414,7 @@ if (db > 1) write(2, buf, n);
} else if (n > 0) {
int len = n;
char *src = buf;
-if (db > 1) write(2, buf, n);
+ if (db > 1) write(2, buf, n);
while (len > 0) {
m = write(csock, src, len);
if (m > 0) {
@@ -2441,6 +2436,6 @@ if (db > 1) write(2, buf, n);
close(csock);
close(s_in);
close(s_out);
-#endif
+#endif /* FORK_OK */
}
diff --git a/x11vnc/tkx11vnc b/x11vnc/tkx11vnc
index 180e29698984ad2917691ca8e7a55e1bb7b7c261..5c707d9fe8306ce3f7fa8e4365d8bc34229c9bca 100755
--- a/x11vnc/tkx11vnc
+++ b/x11vnc/tkx11vnc
@@ -166,6 +166,7 @@ Screen
=GAL ResizeRotate::
= xrandr
=-C:resize,newfbsize,exit xrandr_mode:
+ rotate:
padgeom:
=GAL LOFF
=GAL Clipping::
diff --git a/x11vnc/tkx11vnc.h b/x11vnc/tkx11vnc.h
index 2c9c35f9da5ca9ac894f4d1a97ba79c37f7dd309..4262de03ceb6c901d87cfc2c15f13c5399ff38e8 100644
--- a/x11vnc/tkx11vnc.h
+++ b/x11vnc/tkx11vnc.h
@@ -177,6 +177,7 @@ char gui_code[] = "";
" =GAL ResizeRotate::\n"
" = xrandr\n"
" =-C:resize,newfbsize,exit xrandr_mode:\n"
+" rotate:\n"
" padgeom:\n"
" =GAL LOFF\n"
" =GAL Clipping::\n"
diff --git a/x11vnc/unixpw.c b/x11vnc/unixpw.c
index 0584f9126278059f68995ae0279e0237cb0f3efd..b482fc0c8051f522b66f5a4491c45eb9cfe1801c 100644
--- a/x11vnc/unixpw.c
+++ b/x11vnc/unixpw.c
@@ -51,7 +51,7 @@ extern char *crypt(const char*, const char *);
#define IS_BSD
#endif
-#ifdef REL8x
+#ifdef NO_SSL_OR_UNIXPW
#undef UNIXPW_SU
#undef UNIXPW_CRYPT
#endif
@@ -117,6 +117,9 @@ static int text_y(void) {
return char_y + char_row * char_h;
}
+static rfbScreenInfo fscreen;
+static rfbScreenInfoPtr pscreen;
+
void unixpw_screen(int init) {
if (unixpw_nis) {
#ifndef UNIXPW_CRYPT
@@ -143,9 +146,20 @@ void unixpw_screen(int init) {
if (scaling) {
x = (int) (x * scale_fac);
y = (int) (y * scale_fac);
+ x = nfix(x, scaled_x);
+ y = nfix(y, scaled_y);
+ }
+
+ if (rotating) {
+ fscreen.serverFormat.bitsPerPixel = bpp;
+ fscreen.paddedWidthInBytes = rfb_bytes_per_line;
+ fscreen.frameBuffer = rfb_fb;
+ pscreen = &fscreen;
+ } else {
+ pscreen = screen;
}
- rfbDrawString(screen, &default8x16Font, x, y, log, white());
+ rfbDrawString(pscreen, &default8x16Font, x, y, log, white());
char_x = x;
char_y = y;
@@ -156,7 +170,7 @@ void unixpw_screen(int init) {
}
if (scaling) {
- mark_rect_as_modified(0, 0, dpy_x, dpy_y, 1);
+ mark_rect_as_modified(0, 0, scaled_x, scaled_y, 1);
} else {
mark_rect_as_modified(0, 0, dpy_x, dpy_y, 0);
}
@@ -895,18 +909,18 @@ if (db) fprintf(stderr, "unixpw_verify: '%s' '%s'\n", user, db > 1 ? pass : "***
x = text_x();
y = text_y();
- rfbDrawString(screen, &default8x16Font, x, y, li, white());
+ rfbDrawString(pscreen, &default8x16Font, x, y, li, white());
char_row += 2;
x = text_x();
y = text_y();
- rfbDrawString(screen, &default8x16Font, x, y, log, white());
+ rfbDrawString(pscreen, &default8x16Font, x, y, log, white());
char_col = strlen(log);
if (scaling) {
- mark_rect_as_modified(0, 0, dpy_x, dpy_y, 1);
+ mark_rect_as_modified(0, 0, scaled_x, scaled_y, 1);
} else {
mark_rect_as_modified(0, 0, dpy_x, dpy_y, 0);
}
@@ -927,7 +941,7 @@ static void set_db(void) {
void unixpw_keystroke(rfbBool down, rfbKeySym keysym, int init) {
int x, y, i, nmax = 100;
- static char user[100], pass[100];
+ static char user_r[100], user[100], pass[100];
static int u_cnt = 0, p_cnt = 0, first = 1;
char keystr[100];
char *str;
@@ -935,6 +949,9 @@ void unixpw_keystroke(rfbBool down, rfbKeySym keysym, int init) {
if (first) {
set_db();
first = 0;
+ for (i=0; i < nmax; i++) {
+ user_r[i] = '\0';
+ }
}
if (init) {
@@ -1005,6 +1022,9 @@ void unixpw_keystroke(rfbBool down, rfbKeySym keysym, int init) {
int y2 = y / scale_fac;
int w2 = char_w / scale_fac;
int h2 = char_h / scale_fac;
+
+ x2 = nfix(x2, dpy_x);
+ y2 = nfix(y2, dpy_y);
zero_fb(x2 - w2, y2 - h2, x2, y2);
mark_rect_as_modified(x2 - w2,
@@ -1038,17 +1058,42 @@ void unixpw_keystroke(rfbBool down, rfbKeySym keysym, int init) {
x = text_x();
y = text_y();
- rfbDrawString(screen, &default8x16Font, x, y, pw,
+ rfbDrawString(pscreen, &default8x16Font, x, y, pw,
white());
char_col = strlen(pw);
if (scaling) {
- mark_rect_as_modified(0, 0, dpy_x, dpy_y, 1);
+ mark_rect_as_modified(0, 0, scaled_x,
+ scaled_y, 1);
} else {
mark_rect_as_modified(0, 0, dpy_x, dpy_y, 0);
}
return;
}
+ if (u_cnt == 0 && keysym == XK_Up) {
+ /*
+ * Allow user to hit Up arrow at beginning to
+ * regain their username plus any options.
+ */
+ int i;
+ for (i=0; i < nmax; i++) {
+ user[u_cnt++] = user_r[i];
+ if (user_r[i] == '\0') {
+ break;
+ }
+ keystr[0] = (char) user_r[i];
+ keystr[1] = '\0';
+ x = text_x();
+ y = text_y();
+ rfbDrawString(pscreen, &default8x16Font, x, y,
+ keystr, white());
+ mark_rect_as_modified(x, y-char_h, x+char_w,
+ y, scaling);
+ char_col++;
+ usleep(10*1000);
+ }
+ return;
+ }
if (keysym <= ' ' || keysym >= 0x7f) {
return;
}
@@ -1066,6 +1111,9 @@ void unixpw_keystroke(rfbBool down, rfbKeySym keysym, int init) {
user[u_cnt++] = keystr[0];
#else
user[u_cnt++] = (char) keysym;
+ for (i=0; i < nmax; i++) {
+ user_r[i] = user[i];
+ }
keystr[0] = (char) keysym;
#endif
@@ -1075,13 +1123,9 @@ void unixpw_keystroke(rfbBool down, rfbKeySym keysym, int init) {
if (db && db <= 2) fprintf(stderr, "u_cnt: %d %d/%d ks: 0x%x %s\n", u_cnt, x, y, keysym, keystr);
keystr[1] = '\0';
- rfbDrawString(screen, &default8x16Font, x, y, keystr, white());
+ rfbDrawString(pscreen, &default8x16Font, x, y, keystr, white());
- if (scaling) {
- mark_rect_as_modified(x, y-char_h, x+char_w, y, 1);
- } else {
- mark_rect_as_modified(x, y-char_h, x+char_w, y, 0);
- }
+ mark_rect_as_modified(x, y-char_h, x+char_w, y, scaling);
char_col++;
} else if (in_passwd) {
@@ -1272,9 +1316,9 @@ void unixpw_deny(void) {
x = char_x + char_col * char_w;
y = char_y + char_row * char_h;
- rfbDrawString(screen, &default8x16Font, x, y, pd, white());
+ rfbDrawString(pscreen, &default8x16Font, x, y, pd, white());
if (scaling) {
- mark_rect_as_modified(0, 0, dpy_x, dpy_y, 1);
+ mark_rect_as_modified(0, 0, scaled_x, scaled_y, 1);
} else {
mark_rect_as_modified(0, 0, dpy_x, dpy_y, 0);
}
@@ -1304,9 +1348,9 @@ void unixpw_msg(char *msg, int delay) {
x = char_x + char_col * char_w;
y = char_y + char_row * char_h;
- rfbDrawString(screen, &default8x16Font, x, y, msg, white());
+ rfbDrawString(pscreen, &default8x16Font, x, y, msg, white());
if (scaling) {
- mark_rect_as_modified(0, 0, dpy_x, dpy_y, 1);
+ mark_rect_as_modified(0, 0, scaled_x, scaled_y, 1);
} else {
mark_rect_as_modified(0, 0, dpy_x, dpy_y, 0);
}
diff --git a/x11vnc/user.c b/x11vnc/user.c
index 734d85b2387c29d038372d1c0642f7fdf1476897..d41faa72d6b778598276c02933ed5998dd6bc11b 100644
--- a/x11vnc/user.c
+++ b/x11vnc/user.c
@@ -1041,6 +1041,7 @@ void user_supplied_opts(char *opts) {
"scale", "scale_cursor", "sc", "solid", "so", "id",
"clear_mods", "cm", "clear_keys", "ck", "repeat",
"speeds", "sp", "readtimeout", "rd",
+ "rotate", "ro",
NULL
};
@@ -1089,6 +1090,11 @@ void user_supplied_opts(char *opts) {
if (scale_cursor_str) free(scale_cursor_str);
q = strchr(p, '=') + 1;
scale_cursor_str = strdup(q);
+ } else if (strstr(p, "rotate=") == p ||
+ strstr(p, "ro=") == p) {
+ if (rotating_str) free(rotating_str);
+ q = strchr(p, '=') + 1;
+ rotating_str = strdup(q);
} else if (!strcmp(p, "solid") || !strcmp(p, "so")) {
use_solid_bg = 1;
if (!solid_str) {
diff --git a/x11vnc/userinput.c b/x11vnc/userinput.c
index 5405432831fabd576870068fdf730326211993b4..a0edb9a8a769aff081d128845f5ac62369cf0e66 100644
--- a/x11vnc/userinput.c
+++ b/x11vnc/userinput.c
@@ -1760,7 +1760,7 @@ static void do_copyregion(sraRegionPtr region, int dx, int dy) {
last_copyrect = dnow();
- if (rfb_fb == main_fb) {
+ if (rfb_fb == main_fb && ! rotating) {
/* normal case, no -scale or -8to24 */
get_client_regions(&req, &mod, &cpy, &ncli);
if (debug_scroll > 1) fprintf(stderr, "<<<-rfbDoCopyRect req: %d mod: %d cpy: %d\n", req, mod, cpy);
@@ -1777,7 +1777,7 @@ if (debug_scroll > 1) fprintf(stderr, ">>>-rfbDoCopyRect req: %d mod: %d cpy: %d
iter = sraRgnGetReverseIterator(region, dx < 0, dy < 0);
while(sraRgnIteratorNext(iter, &rect)) {
- int j, c;
+ int j, c, t;
x1 = rect.x1;
y1 = rect.y1;
@@ -1825,6 +1825,7 @@ if (debug_scroll > 1) fprintf(stderr, ">>>-rfbDoCopyRect req: %d mod: %d cpy: %d
}
}
+
if (scaling) {
sx1 = ((double) x1 / dpy_x) * scaled_x;
sy1 = ((double) y1 / dpy_y) * scaled_y;
@@ -1840,6 +1841,46 @@ if (debug_scroll > 1) fprintf(stderr, ">>>-rfbDoCopyRect req: %d mod: %d cpy: %d
sdx = dx;
sdy = dy;
}
+if (0) fprintf(stderr, "s... %d %d %d %d %d %d\n", sx1, sy1, sx2, sy2, sdx, sdy);
+ if (rotating) {
+ rotate_coords(sx1, sy1, &sx1, &sy1, -1, -1);
+ rotate_coords(sx2, sy2, &sx2, &sy2, -1, -1);
+ if (rotating == ROTATE_X) {
+ sdx = -sdx;
+ } else if (rotating == ROTATE_Y) {
+ sdy = -sdy;
+ } else if (rotating == ROTATE_XY) {
+ sdx = -sdx;
+ sdy = -sdy;
+ } else if (rotating == ROTATE_90) {
+ t = sdx;
+ sdx = -sdy;
+ sdy = t;
+ } else if (rotating == ROTATE_90X) {
+ t = sdx;
+ sdx = sdy;
+ sdy = t;
+ } else if (rotating == ROTATE_90Y) {
+ t = sdx;
+ sdx = -sdy;
+ sdy = -t;
+ } else if (rotating == ROTATE_270) {
+ t = sdx;
+ sdx = sdy;
+ sdy = -t;
+ }
+ }
+ if (sx2 < sx1) {
+ t = sx1;
+ sx1 = sx2;
+ sx2 = t;
+ }
+ if (sy2 < sy1) {
+ t = sy1;
+ sy1 = sy2;
+ sy2 = t;
+ }
+if (0) fprintf(stderr, "s... %d %d %d %d %d %d\n", sx1, sy1, sx2, sy2, sdx, sdy);
rfbDoCopyRect(screen, sx1, sy1, sx2, sy2, sdx, sdy);
}
diff --git a/x11vnc/x11vnc.1 b/x11vnc/x11vnc.1
index e5497be55987da6da10fe2fd714d56487d7cbb8b..cf025b18fbedd08dcd7cd991b8008f154a5d6d19 100644
--- a/x11vnc/x11vnc.1
+++ b/x11vnc/x11vnc.1
@@ -2,7 +2,7 @@
.TH X11VNC "1" "July 2006" "x11vnc " "User Commands"
.SH NAME
x11vnc - allow VNC connections to real X11 displays
- version: 0.8.3, lastmod: 2006-07-17
+ version: 0.8.3, lastmod: 2006-07-28
.SH SYNOPSIS
.B x11vnc
[OPTION]...
@@ -744,8 +744,8 @@ Also in the case of \fB-unixpw,\fR the user logging in
can place a colon at the end of his username and
supply a few options: scale=, scale_cursor= (or sc=),
solid (or so), id=, clear_mods (or cm), clear_keys
-(or ck), repeat, speeds= (or sp=), or readtimeout=
-(or rd=) separated by commas if there is more than one.
+(or ck), repeat, speeds= (or sp=), readtimeout=
+(or rd=), or rotate= (or ro=) separated by commas if there is more than one.
After the user logs in successfully, these options will
be applied to the VNC screen. For example,
.IP
@@ -1666,6 +1666,39 @@ encoding, and then resize the framebuffer. "exit"
means disconnect all viewer clients, and then terminate
x11vnc.
.PP
+\fB-rotate\fR \fIstring\fR
+.IP
+Rotate and/or flip the framebuffer view exported by VNC.
+This transformation is independent of XRANDR and is
+done in software in main memory and so may be slower.
+This mode could be useful on a handheld with portrait or
+landscape modes that do not correspond to the scanline
+order of the actual framebuffer. \fIstring\fR can be:
+.IP
+x flip along x-axis
+y flip along y-axis
+xy flip along x- and y-axes
++90 rotate 90 degrees clockwise
+\fB-90\fR rotate 90 degrees counter-clockwise
++90x rotate 90 degrees CW, then flip along x
++90y rotate 90 degrees CW, then flip along y
+.IP
+these give all possible rotations and reflections.
+.IP
+Aliases: same as xy: yx, +180, \fB-180,\fR 180
+same as \fB-90:\fR +270, 270
+same as +90: 90, (ditto for 90x, 90y)
+.IP
+Like \fB-scale,\fR this transformation is applied at the very
+end of any chain of framebuffer transformations and so
+any options with geometries, e.g. \fB-blackout,\fR \fB-clip,\fR etc.
+are relative to the original X (or \fB-rawfb)\fR framebuffer,
+not the final one sent to VNC viewers.
+.IP
+If you do not want the cursor shape to be rotated
+prefix \fIstring\fR with "nc:", e.g. "nc:+90",
+"nc:xy", etc.
+.PP
\fB-padgeom\fR \fIWxH\fR
.IP
Whenever a new vncviewer connects, the framebuffer is
@@ -3024,7 +3057,7 @@ nonstandard, use "console:/dev/foofb"
.IP
If you do not want x11vnc to guess the framebuffer's
WxHxB and masks automatically (sometimes the kernel
-given inaccurate information), specify them with a
+gives inaccurate information), specify them with a
@WxHxB at the end of the string.
.IP
Examples:
@@ -3460,6 +3493,8 @@ noxrandr disable \fB-xrandr\fR mode.
.IP
xrandr_mode:mode set the \fB-xrandr\fR mode to "mode".
.IP
+rotate:mode set the \fB-rotate\fR mode to "mode".
+.IP
padgeom:WxH set \fB-padgeom\fR to WxH (empty to disable)
If WxH is "force" or "do" the padded
geometry fb is immediately applied.
@@ -3823,7 +3858,7 @@ unlock connect allowonce allow localhost nolocalhost
listen lookup nolookup accept afteraccept gone shm
noshm flipbyteorder noflipbyteorder onetile noonetile
solid_color solid nosolid blackout xinerama noxinerama
-xtrap noxtrap xrandr noxrandr xrandr_mode padgeom
+xtrap noxtrap xrandr noxrandr xrandr_mode rotate padgeom
quiet q noquiet modtweak nomodtweak xkb noxkb capslock
nocapslock skip_lockkeys noskip_lockkeys skip_keycodes
sloppy_keys nosloppy_keys skip_dups noskip_dups
@@ -3846,9 +3881,9 @@ pm input_skip allinput noallinput input grabkbd
nograbkbd grabptr nograbptr client_input speeds wmdt
debug_pointer dp nodebug_pointer nodp debug_keyboard
dk nodebug_keyboard nodk deferupdate defer wait_ui
-wait_bog nowait_bog slow_fb wait readtimeout nap
-nonap sb screen_blank fbpm nofbpm fs gaps grow
-fuzz snapfb nosnapfb rawfb uinput_accel uinput_reset
+wait_bog nowait_bog slow_fb wait readtimeout nap nonap
+sb screen_blank fbpm nofbpm fs gaps grow fuzz snapfb
+nosnapfb rawfb uinput_accel uinput_thresh uinput_reset
uinput_always progressive rfbport http nohttp httpport
httpdir enablehttpproxy noenablehttpproxy alwaysshared
noalwaysshared nevershared noalwaysshared dontdisconnect
diff --git a/x11vnc/x11vnc.c b/x11vnc/x11vnc.c
index 0fd81e9f6345d27f661896f72f088a697bf5270f..97985fa9df95055bc503eafeeb5658f0753b49ac 100644
--- a/x11vnc/x11vnc.c
+++ b/x11vnc/x11vnc.c
@@ -1642,7 +1642,7 @@ int main(int argc, char* argv[]) {
CHECK_ARGC
passwdfile = strdup(argv[++i]);
got_passwdfile = 1;
-#ifndef REL8x
+#ifndef NO_SSL_OR_UNIXPW
} else if (strstr(arg, "-unixpw") == arg) {
unixpw = 1;
if (strstr(arg, "-unixpw_nis")) {
@@ -1826,6 +1826,9 @@ int main(int argc, char* argv[]) {
i++;
}
}
+ } else if (!strcmp(arg, "-rotate")) {
+ CHECK_ARGC
+ rotating_str = strdup(argv[++i]);
} else if (!strcmp(arg, "-padgeom")
|| !strcmp(arg, "-padgeometry")) {
CHECK_ARGC
diff --git a/x11vnc/x11vnc.h b/x11vnc/x11vnc.h
index 09c14a8c8c6e34cb56ad58c443fe16af7a721e4c..de10880d0d0e263313ff3783317a499239c4ed95 100644
--- a/x11vnc/x11vnc.h
+++ b/x11vnc/x11vnc.h
@@ -131,7 +131,7 @@
#define PASSWD_UNLESS_NOPW 0
#endif
-#define noREL8x
+#define xxNO_SSL_OR_UNIXPW
/*
* Beginning of support for small binary footprint build for embedded
@@ -386,6 +386,7 @@ 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;
@@ -397,6 +398,7 @@ 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;
@@ -411,6 +413,10 @@ 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;
diff --git a/x11vnc/x11vnc_defs.c b/x11vnc/x11vnc_defs.c
index 44c96824897aa97bb2004c5b6173a35585797521..b45e17e0a5a84b2fdfd0816d48f8d1eec17afcb0 100644
--- a/x11vnc/x11vnc_defs.c
+++ b/x11vnc/x11vnc_defs.c
@@ -15,7 +15,7 @@ int xtrap_base_event_type = 0;
int xdamage_base_event_type = 0;
/* date +'lastmod: %Y-%m-%d' */
-char lastmod[] = "0.8.3 lastmod: 2006-07-17";
+char lastmod[] = "0.8.3 lastmod: 2006-07-28";
/* X display info */
@@ -59,6 +59,7 @@ char *rfb_fb = NULL; /* same as main_fb unless transformation */
char *fake_fb = NULL; /* used under -padgeom */
char *snap_fb = NULL; /* used under -snapfb */
char *cmap8to24_fb = NULL; /* used under -8to24 */
+char *rot_fb = NULL;
char *raw_fb = NULL; /* when used should be main_fb */
char *raw_fb_addr = NULL;
int raw_fb_offset = 0;
@@ -70,6 +71,7 @@ int raw_fb_back_to_X = 0; /* kludge for testing rawfb -> X */
int rfb_bytes_per_line = 0;
int main_bytes_per_line = 0;
+int rot_bytes_per_line = 0;
unsigned long main_red_mask = 0, main_green_mask = 0, main_blue_mask = 0;
unsigned short main_red_max = 0, main_green_max = 0, main_blue_max = 0;
unsigned short main_red_shift = 0, main_green_shift = 0, main_blue_shift = 0;
@@ -84,6 +86,10 @@ int scaling_pad = 0; /* pad out scaled sizes to fit denominator */
int scaling_interpolate = 0; /* use interpolation scheme when shrinking */
int scaled_x = 0, scaled_y = 0; /* dimensions of scaled display */
int scale_numer = 0, scale_denom = 0; /* n/m */
+char *rotating_str = NULL;
+int rotating = 0;
+int rotating_same = 0;
+int rotating_cursors = 0;
/* scale cursor */
char *scale_cursor_str = NULL;