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-rw-r--r--prepare_x11vnc_dist.sh2
-rw-r--r--x11vnc/ChangeLog5
-rw-r--r--x11vnc/README108
-rw-r--r--x11vnc/help.c46
-rwxr-xr-xx11vnc/misc/Xdummy646
-rw-r--r--x11vnc/ssltools.h142
-rw-r--r--x11vnc/unixpw.c9
-rw-r--r--x11vnc/user.c12
-rw-r--r--x11vnc/x11vnc.158
-rw-r--r--x11vnc/x11vnc.c39
-rw-r--r--x11vnc/x11vnc_defs.c2
11 files changed, 771 insertions, 298 deletions
diff --git a/prepare_x11vnc_dist.sh b/prepare_x11vnc_dist.sh
index fe0751e..d244a39 100644
--- a/prepare_x11vnc_dist.sh
+++ b/prepare_x11vnc_dist.sh
@@ -1,6 +1,6 @@
#!/bin/bash
-VERSION="0.9.9"
+VERSION="0.9.10"
cd "$(dirname "$0")"
diff --git a/x11vnc/ChangeLog b/x11vnc/ChangeLog
index c3c8382..e6188e5 100644
--- a/x11vnc/ChangeLog
+++ b/x11vnc/ChangeLog
@@ -1,3 +1,8 @@
+2009-12-24 Karl Runge <runge@karlrunge.com>
+ * x11vnc: prepare_x11vnc_dist.sh for 0.9.10. -xdummy_xvfb,
+ -svc_xdummy_xvfb and -create_x shorthand. lxde session.
+ Xdummy improvements and root no longer required.
+
2009-12-21 Karl Runge <runge@karlrunge.com>
* x11vnc: -DENC_HAVE_OPENSSL=0 to disable enc.h but still
have ssl. Tweak ps command in find_display. Try to handle
diff --git a/x11vnc/README b/x11vnc/README
index 685f9a6..42a6f54 100644
--- a/x11vnc/README
+++ b/x11vnc/README
@@ -2,7 +2,7 @@
Copyright (C) 2002-2009 Karl J. Runge <runge@karlrunge.com>
All rights reserved.
-x11vnc README file Date: Mon Dec 21 00:00:59 EST 2009
+x11vnc README file Date: Thu Dec 24 16:08:39 EST 2009
The following information is taken from these URLs:
@@ -586,12 +586,12 @@ vncviewer -via $host localhost:0 # must be TightVNC vncviewer.
SourceForge.net. I use libvncserver for all of the VNC aspects; I
couldn't have done without it. The full source code may be found and
downloaded (either file-release tarball or GIT tree) from the above
- link. As of Jul 2009, the [91]x11vnc-0.9.8.tar.gz source package is
- released (recommended download). The [92]x11vnc 0.9.8 release notes.
+ link. As of Dec 2009, the [91]x11vnc-0.9.9.tar.gz source package is
+ released (recommended download). The [92]x11vnc 0.9.9 release notes.
The x11vnc package is the subset of the libvncserver package needed to
build the x11vnc program. Also, you can get a copy of my latest,
- bleeding edge [93]x11vnc-0.9.9.tar.gz tarball to build the most up to
+ bleeding edge [93]x11vnc-0.9.10.tar.gz tarball to build the most up to
date one.
Precompiled Binaries/Packages: See the [94]FAQ below for information
@@ -629,13 +629,13 @@ vncviewer -via $host localhost:0 # must be TightVNC vncviewer.
them by default.)
If your OS has libjpeg.so and libz.so in standard locations you can
- build as follows (example given for the 0.9.8 release of x11vnc:
+ build as follows (example given for the 0.9.9 release of x11vnc:
replace with the version you downloaded):
(un-tar the x11vnc+libvncserver tarball)
-# gzip -dc x11vnc-0.9.8.tar.gz | tar -xvf -
+# gzip -dc x11vnc-0.9.9.tar.gz | tar -xvf -
(cd to the source directory)
-# cd x11vnc-0.9.8
+# cd x11vnc-0.9.9
(run configure and then run make)
# ./configure
@@ -886,13 +886,13 @@ make
I'd appreciate any additional testing very much.
Thanks to those who suggested features and helped beta test x11vnc
- 0.9.8 released in Jul 2009!
+ 0.9.9 released in Dec 2009!
- Please help test and debug the 0.9.9 version for release sometime in
- 2009.
+ Please help test and debug the 0.9.10 version for release sometime in
+ Spring 2010.
- The version 0.9.9 beta tarball is kept here:
- [114]x11vnc-0.9.9.tar.gz
+ The version 0.9.10 beta tarball is kept here:
+ [114]x11vnc-0.9.10.tar.gz
There are also some Linux, Solaris, Mac OS X, and other OS test
binaries [115]here. Please kick the tires and report bugs, performance
@@ -909,7 +909,11 @@ make
Encryption Plugin' settings panel.)
- Here are some features that will appear in the 0.9.9 release:
+ Here are some features that will appear in the 0.9.10 release:
+ * Coming Soon.
+
+
+ Here are some features that appeared in the 0.9.9 release:
* The [122]-unixpw_system_greeter option, when used in combined
unixpw and XDMCP FINDCREATEDISPLAY mode (e.g. [123]-xdmsvc),
enables the user to press Escape to jump directly to the
@@ -1507,7 +1511,7 @@ LAY
description of the [294]-create option that does all of this
automatically for you.
Also, a faster and more accurate way is to use the "dummy"
- XFree86/Xorg device driver (or our Xdummy wrapper script.) See
+ Xorg/XFree86 device driver (or our Xdummy wrapper script.) See
[295]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
@@ -1629,9 +1633,9 @@ References
88. http://www.karlrunge.com/x11vnc/faq.html#faq-ssl-tunnel-int
89. http://www.karlrunge.com/x11vnc/ssvnc.html
90. http://sourceforge.net/projects/libvncserver/
- 91. http://sourceforge.net/project/showfiles.php?group_id=32584&package_id=119006&release_id=695585
- 92. http://sourceforge.net/project/shownotes.php?group_id=32584&release_id=695585
- 93. http://x11vnc.sourceforge.net/dev/x11vnc-0.9.9.tar.gz
+ 91. http://sourceforge.net/projects/libvncserver/files/x11vnc/0.9.9/
+ 92. http://sourceforge.net/projects/libvncserver/files/x11vnc/0.9.9/release-notes-0.9.9.txt/view
+ 93. http://x11vnc.sourceforge.net/dev/x11vnc-0.9.10.tar.gz
94. http://www.karlrunge.com/x11vnc/faq.html#faq-binaries
95. http://www.tightvnc.com/download.html
96. http://www.realvnc.com/products/free/4.1/download.html
@@ -1652,7 +1656,7 @@ References
111. http://www.karlrunge.com/x11vnc/faq.html#faq-solaris251build
112. http://www.karlrunge.com/x11vnc/faq.html#faq-macosx
113. http://www.karlrunge.com/x11vnc/faq.html#faq-ssl-tunnel-int
- 114. http://x11vnc.sourceforge.net/dev/x11vnc-0.9.9.tar.gz
+ 114. http://x11vnc.sourceforge.net/dev/x11vnc-0.9.10.tar.gz
115. http://www.karlrunge.com/x11vnc/bins
116. mailto:xvml@karlrunge.com
117. http://www.karlrunge.com/x11vnc/faq.html#faq-ssl-tunnel-int
@@ -5314,9 +5318,11 @@ xpw=
FINDDISPLAY method it will create an X server session for the user
(i.e. desktop/terminal server.) This is the only time x11vnc actually
tries to start up an X server. By default it will only try to start up
- virtual (non-hardware) X servers: first [439]Xdummy and if that is not
- available then Xvfb. Note that Xdummy requires root permission and
- only works on Linux whereas Xvfb works just about everywhere.
+ virtual (non-hardware) X servers: first [439]Xvfb and if that is not
+ available then Xdummy. Note that Xdummy only works on Linux whereas
+ Xvfb works just about everywhere (and in some situations Xdummy must
+ be run as root.) An advantage of Xdummy over Xvfb is that Xdummy
+ supports RANDR dynamic screen resizing.
So an inetd(8) example might look like:
5900 stream tcp nowait root /usr/sbin/tcpd /usr/local/bin/x11vnc -inetd \
@@ -5693,9 +5699,8 @@ xmodmap -e "add Mod1 = Alt_L Alt_R Meta_L"
server that turn off the VT usage in the X server. Update: As of
Jul/2005 we have an LD_PRELOAD script [470]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
- future.
+ driver and not have any VT switching problems! An advantage of Xdummy
+ over Xvfb is that Xdummy supports RANDR dynamic screen resizing.
The standard way to start the "dummy" driver would be:
startx -- :1 -config /etc/X11/xorg.conf.dummy
@@ -12914,7 +12919,7 @@ 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. 0.9.9 lastmod: 2009-12-21
+x11vnc: allow VNC connections to real X11 displays. 0.9.10 lastmod: 2009-12-24
x11vnc options:
-display disp -auth file -N
@@ -12938,8 +12943,9 @@ x11vnc options:
-unixpw_nis [list] -unixpw_cmd cmd -find
-finddpy -listdpy -findauth [disp]
-create -xdummy -xvnc
- -xvnc_redirect -svc -svc_xdummy
- -svc_xvnc -xdmsvc -sshxdmsvc
+ -xvnc_redirect -xdummy_xvfb -create_x str
+ -svc -svc_xdummy -svc_xvnc
+ -svc_xdummy_xvfb -xdmsvc -sshxdmsvc
-unixpw_system_greeter -redirect port -display WAIT:...
-vencrypt mode -anontls mode -sslonly
-dhparams file -nossl -ssl [pem]
@@ -13041,7 +13047,7 @@ libvncserver-tight-extension options:
% x11vnc -help
-x11vnc: allow VNC connections to real X11 displays. 0.9.9 lastmod: 2009-12-21
+x11vnc: allow VNC connections to real X11 displays. 0.9.10 lastmod: 2009-12-24
(type "x11vnc -opts" to just list the options.)
@@ -14091,6 +14097,11 @@ Options:
-xdummy As in -create, except Xdummy instead of Xvfb.
-xvnc As in -create, except Xvnc instead of Xvfb.
-xvnc_redirect As in -create, except Xvnc.redirect instead of Xvfb.
+-xdummy_xvfb Sets WAIT:cmd=FINDCREATEDISPLAY-Xdummy,Xvfb
+
+-create_x str Sets WAIT:cmd=FINDCREATEDISPLAY-<str> Can be on cmdline
+ after anything that sets WAIT:.. and other things
+ (e.g. -svc, -xdmsvc) to adjust the X server list.
-svc Terminal services mode based on SSL access. Alias for
-display WAIT:cmd=FINDCREATEDISPLAY-Xvfb -unixpw -users
@@ -14098,6 +14109,7 @@ Options:
-svc_xdummy As -svc except Xdummy instead of Xvfb.
-svc_xvnc As -svc except Xvnc instead of Xvfb.
+-svc_xdummy_xvfb As -svc with Xdummy,Xvfb.
-xdmsvc Display manager Terminal services mode based on SSL.
Alias for -display WAIT:cmd=FINDCREATEDISPLAY-Xvfb.xdmcp
@@ -14269,11 +14281,13 @@ Options:
mode when a virtual X server such as Xvfb is going
to be created. It sets the width and height of
the new display, and optionally the color depth as
- well. You can also supply "gnome", "kde", "twm",
+ well.
+
+ You can also supply "gnome", "kde", "twm",
"fvwm", "mwm", "dtwm", "wmaker", "xfce",
- "enlightenment", "Xsession", or "failsafe"
- (same as "xterm") to have the created display use
- that mode for the user session.
+ "lxde", "enlightenment", "Xsession", or
+ "failsafe" (same as "xterm") to have the created
+ display use that mode for the user session.
Specify "tag=..." to set the unique FD_TAG desktop
session tag described below. Note: this option will
@@ -14373,17 +14387,21 @@ Options:
Xdummy:
The Xdummy wrapper is part of the x11vnc source code
- (x11vnc/misc/Xdummy) It should be available in PATH and
- have run "Xdummy -install" once to create the shared
- library. Xdummy requires root permission and only works
- on Linux. (Note: specify FD_XDUMMY_NOROOT=1 to skip
- a check for the root id; evidently your sudo(1) will
- take care of everything. The -xdummy and -svc_xdummy
- options imply FD_XDUMMY_NOROOT=1).
+ (x11vnc/misc/Xdummy) It should be available in PATH
+ and have run "Xdummy -install" once to create the
+ shared library. Xdummy only works on Linux. As of
+ 12/2009 it no longer needs to be run as root, and the
+ default is to not run as root. In some circumstances
+ permissions may require running it as root, in these
+ cases specify FD_XDUMMY_RUN_AS_ROOT=1, this is the same
+ as supplying -root to the Xdummy cmdline.
Xvfb is available on most platforms and does not
require root.
+ An advantage of Xdummy over Xvfb is that Xdummy supports
+ RANDR dynamic screen resizing.
+
When x11vnc exits (i.e. user disconnects) the X
server session stays running in the background.
The FINDDISPLAY will find it directly next time.
@@ -14441,13 +14459,11 @@ Options:
More FD tricks: FD_CUPS=port or FD_CUPS=host:port
will set the cups printing environment. Similarly for
FD_ESD=port or FD_ESD=host:port for esddsp sound
- redirection. FD_XDUMMY_NOROOT means the Xdummy
- server does not need to be started as root (e.g. it
- will sudo automatically). Set FD_EXTRA to a command
- to be run a few seconds after the X server starts up.
- Set FD_TAG to be a unique name for the session, it is
- set as an X property, that makes FINDDISPLAY only find
- sessions with that tag value.
+ redirection. Set FD_EXTRA to a command to be run a
+ few seconds after the X server starts up. Set FD_TAG
+ to be a unique name for the session, it is set as an
+ X property, that makes FINDDISPLAY only find sessions
+ with that tag value.
If you want the FINDCREATEDISPLAY session to contact an
XDMCP login manager (xdm/gdm/kdm) on the same machine,
diff --git a/x11vnc/help.c b/x11vnc/help.c
index d360e7a..40fd3ec 100644
--- a/x11vnc/help.c
+++ b/x11vnc/help.c
@@ -1117,6 +1117,11 @@ void print_help(int mode) {
"-xdummy As in -create, except Xdummy instead of Xvfb.\n"
"-xvnc As in -create, except Xvnc instead of Xvfb.\n"
"-xvnc_redirect As in -create, except Xvnc.redirect instead of Xvfb.\n"
+"-xdummy_xvfb Sets WAIT:cmd=FINDCREATEDISPLAY-Xdummy,Xvfb\n"
+"\n"
+"-create_x str Sets WAIT:cmd=FINDCREATEDISPLAY-<str> Can be on cmdline\n"
+" after anything that sets WAIT:.. and other things\n"
+" (e.g. -svc, -xdmsvc) to adjust the X server list.\n"
"\n"
"-svc Terminal services mode based on SSL access. Alias for\n"
" -display WAIT:cmd=FINDCREATEDISPLAY-Xvfb -unixpw -users\n"
@@ -1124,6 +1129,7 @@ void print_help(int mode) {
"\n"
"-svc_xdummy As -svc except Xdummy instead of Xvfb.\n"
"-svc_xvnc As -svc except Xvnc instead of Xvfb.\n"
+"-svc_xdummy_xvfb As -svc with Xdummy,Xvfb.\n"
"\n"
"-xdmsvc Display manager Terminal services mode based on SSL.\n"
" Alias for -display WAIT:cmd=FINDCREATEDISPLAY-Xvfb.xdmcp\n"
@@ -1295,11 +1301,13 @@ void print_help(int mode) {
" mode when a virtual X server such as Xvfb is going\n"
" to be created. It sets the width and height of\n"
" the new display, and optionally the color depth as\n"
-" well. You can also supply \"gnome\", \"kde\", \"twm\",\n"
+" well.\n"
+"\n"
+" You can also supply \"gnome\", \"kde\", \"twm\",\n"
" \"fvwm\", \"mwm\", \"dtwm\", \"wmaker\", \"xfce\",\n"
-" \"enlightenment\", \"Xsession\", or \"failsafe\"\n"
-" (same as \"xterm\") to have the created display use\n"
-" that mode for the user session.\n"
+" \"lxde\", \"enlightenment\", \"Xsession\", or\n"
+" \"failsafe\" (same as \"xterm\") to have the created\n"
+" display use that mode for the user session.\n"
"\n"
" Specify \"tag=...\" to set the unique FD_TAG desktop\n"
" session tag described below. Note: this option will\n"
@@ -1398,17 +1406,21 @@ void print_help(int mode) {
" Xdummy:\n"
"\n"
" The Xdummy wrapper is part of the x11vnc source code\n"
-" (x11vnc/misc/Xdummy) It should be available in PATH and\n"
-" have run \"Xdummy -install\" once to create the shared\n"
-" library. Xdummy requires root permission and only works\n"
-" on Linux. (Note: specify FD_XDUMMY_NOROOT=1 to skip\n"
-" a check for the root id; evidently your sudo(1) will\n"
-" take care of everything. The -xdummy and -svc_xdummy\n"
-" options imply FD_XDUMMY_NOROOT=1).\n"
+" (x11vnc/misc/Xdummy) It should be available in PATH\n"
+" and have run \"Xdummy -install\" once to create the\n"
+" shared library. Xdummy only works on Linux. As of\n"
+" 12/2009 it no longer needs to be run as root, and the\n"
+" default is to not run as root. In some circumstances\n"
+" permissions may require running it as root, in these\n"
+" cases specify FD_XDUMMY_RUN_AS_ROOT=1, this is the same\n"
+" as supplying -root to the Xdummy cmdline.\n"
"\n"
" Xvfb is available on most platforms and does not\n"
" require root.\n"
"\n"
+" An advantage of Xdummy over Xvfb is that Xdummy supports\n"
+" RANDR dynamic screen resizing.\n"
+"\n"
" When x11vnc exits (i.e. user disconnects) the X\n"
" server session stays running in the background.\n"
" The FINDDISPLAY will find it directly next time.\n"
@@ -1466,13 +1478,11 @@ void print_help(int mode) {
" More FD tricks: FD_CUPS=port or FD_CUPS=host:port\n"
" will set the cups printing environment. Similarly for\n"
" FD_ESD=port or FD_ESD=host:port for esddsp sound\n"
-" redirection. FD_XDUMMY_NOROOT means the Xdummy\n"
-" server does not need to be started as root (e.g. it\n"
-" will sudo automatically). Set FD_EXTRA to a command\n"
-" to be run a few seconds after the X server starts up.\n"
-" Set FD_TAG to be a unique name for the session, it is\n"
-" set as an X property, that makes FINDDISPLAY only find\n"
-" sessions with that tag value.\n"
+" redirection. Set FD_EXTRA to a command to be run a\n"
+" few seconds after the X server starts up. Set FD_TAG\n"
+" to be a unique name for the session, it is set as an\n"
+" X property, that makes FINDDISPLAY only find sessions\n"
+" with that tag value.\n"
"\n"
" If you want the FINDCREATEDISPLAY session to contact an\n"
" XDMCP login manager (xdm/gdm/kdm) on the same machine,\n"
diff --git a/x11vnc/misc/Xdummy b/x11vnc/misc/Xdummy
index 77617e4..84e77a3 100755
--- a/x11vnc/misc/Xdummy
+++ b/x11vnc/misc/Xdummy
@@ -1,15 +1,16 @@
#!/bin/sh
#
-# Xdummy: an LD_PRELOAD hack to run a stock XFree86(1) or Xorg(1) server
+# Xdummy: an LD_PRELOAD hack to run a stock Xorg(1) or XFree86(1) server
# with the "dummy" video driver to make it avoid Linux VT switching, etc.
#
# Run "Xdummy -help" for more info.
#
xserver=""
geom=""
+geom=""
install=""
uninstall=""
-root=1
+root=""
debug=""
strace=""
runit=1
@@ -24,31 +25,42 @@ program=`basename "$0"`
help () {
${PAGER:-more} << END
-$program: a hack to run a stock XFree86(1) or Xorg(1) server with the
+$program: a hack to run a stock Xorg(1) or XFree86(1) X server with the
"dummy" video driver such that it AVOIDS the Linux VT switching, keyboard
mouse conflicts, etc associated with normal use of "dummy".
-In other words, try to make XFree86/Xorg with the Device "dummy" driver
+In other words, try to make Xorg/XFree86 with the Device "dummy" driver
act more like Xvfb(1).
To achieve this, while running the real Xserver $program intercepts system
and library calls via the LD_PRELOAD method and modifies the behavior
to make it work correctly (i.e. avoid the VT stuff). LD_PRELOAD tricks
-are usually "clever hacks" and so might not work in all circumstances.
+are usually "clever hacks" and so might not work in all situations or
+break when something changes.
The primary motivation for the Xdummy script is to provide a virtual X
server for x11vnc but with more features than Xvfb (or Xvnc), however
it could be used for other reasons (e.g. better automated testing than
-with Xvfb).
+with Xvfb). A nice by-product is the dummy server supports RANDR dynamic
+resizing while Xvfb does not. So, for example x11vnc+Xdummy terminal
+services are a little better than x11vnc+Xvfb.
-Currently this program needs to be run as root, since it is too difficult
-to trick it otherwise. Hopefully this will be relaxed at a later date
-if the needed tricks are discovered.
+This program does not need to be run as root as of 12/2009. However,
+if there are problems for certain situations it may perform better
+if run as root (-root option.)
Also, gcc/cc is required to compile the LD_PRELOAD shared object.
See -install and -uninstall described below.
+Your Linux distribution may not install the dummy driver by default, e.g:
+
+ /usr/lib/xorg/modules/drivers/dummy_drv.so
+
+some have it in a package named xserver-xorg-video-dummy you need
+to install.
+
+
Usage:
$program <${program}-args> [--] <Xserver-args>
@@ -66,8 +78,8 @@ startx example:
startx -e bash -- $program :2 -depth 16
- (startx needs to be run as root, you can su(1) to a normal user
- in the bash shell and then launch ~/.xinitrc or ~/.xsession,
+ (if startx needs to be run as root, you can su(1) to a normal
+ user in the bash shell and then launch ~/.xinitrc or ~/.xsession,
gnome-session, startkde, startxfce4, etc.)
xdm example:
@@ -89,9 +101,12 @@ gdm/kdm example:
Root permission and x11vnc:
- This program needs to be run as root. One could run x11vnc as
- root with -unixpw (it switches to the user that logs in) and
- that may be OK, some other ideas:
+ Update: as of 12/2009 this program no longer must be run as root.
+
+ However, in some circumstances program may need to be run as
+ root. If so, one could run x11vnc as root with -unixpw (it
+ switches to the user that logs in) and that may be OK, some
+ other ideas:
- add this to sudo via visudo:
@@ -147,6 +162,8 @@ Options:
:N The DISPLAY can be the first $program argument.
It is passed to the real X server. This is to
aid use with startx(1), xinit(1), xdm(1), etc.
+ If one is not provided it tries to choose one
+ automatically.
-geom geom1[,geom2...] Take the geometry (e.g. 1024x768) or
list of geometries and insert them into the
@@ -156,10 +173,13 @@ Options:
-tmpdir dir Specify a temporary directory, owned by you and
only writable by you. This is used in place of
- /tmp/Xdummy.\$USER/ to placed the $program.so
+ /tmp/Xdummy.\$USER/.. to place the $program.so
shared object, tweaked config files, etc.
- -nonroot Try to run in non-root mode (XXX NOT yet working).
+ -nonroot Run in non-root mode (working 12/2009, now default)
+
+ -root Run as root (may still be needed in some
+ environments.)
-nosudo Do not try to use sudo(1) when re-running as root,
use su(1) instead.
@@ -188,14 +208,14 @@ Options:
-debug Extra debugging output.
- -strace strace(1) the Xserver process (for debugging).
+ -strace strace(1) the Xserver process (for troubleshooting).
-h, -help Print out this help.
Xserver-args:
- Most of the XFree86 and Xorg options will work. Important ones
+ Most of the Xorg and XFree86 options will work. Important ones
that may be supplied if missing:
:N X Display number for server to use.
@@ -212,8 +232,9 @@ Options:
Notes:
- The XFree86/Xorg "dummy" driver is currently undocmented. It works
- well in this mode, but it is evidently not intended for end users.
+ The Xorg/XFree86 "dummy" driver is currently undocumented. It works
+ well in this mode, but it is evidently not intended for end-users.
+ So it could be removed or broken at any time.
If the display Xserver-arg (e.g. :1) is not given, or ":" or ":9999"
is given that indicates $program should try to find a free one.
@@ -221,10 +242,10 @@ Notes:
If the display virtual terminal, VT, (e.g. vt9) is not given that
indicates $program should try to find a free one (or guess a high one).
- This program is not completely secure WRT files in /tmp (but it
- tries to some degree). Better is to use the -tmpdir option to supply a
- directory only writable by you. Even better is to get rid of users on
- the local machine you do not trust :-)
+ This program is not completely secure WRT files in /tmp (but it tries
+ to a good degree). Better is to use the -tmpdir option to supply a
+ directory only writable by you. Even better is to get rid of users
+ on the local machine you do not trust :-)
END
}
@@ -232,7 +253,10 @@ END
warn() {
echo "$*" 1>&2
}
-#set -xv
+
+if [ "X$XDUMMY_SET_XV" != "X" ]; then
+ set -xv
+fi
if [ "X$XDUMMY_UID" = "X" ]; then
XDUMMY_UID=`id -u`
@@ -245,20 +269,34 @@ if [ "X$XDUMMY_UID" = "X0" ]; then
fi
fi
-#warn "id: `id -u`"
-# See if it needs to be run as root:
-if [ "X$XDUMMY_SU_EXEC" = "X" -a "X`id -u`" != "X0" ]; then
- dosu=1
- nosudo=""
+# check if root=1 first:
+#
+if [ "X$XDUMMY_RUN_AS_ROOT" = "X1" ]; then
+ root=1
+fi
+for arg in $*
+do
+ if [ "X$arg" = "X-nonroot" ]; then
+ root=""
+ elif [ "X$arg" = "X-root" ]; then
+ root=1
+ fi
+done
+
+# See if it really needs to be run as root:
+#
+if [ "X$XDUMMY_SU_EXEC" = "X" -a "X$root" = "X1" -a "X`id -u`" != "X0" ]; then
+ # this is to prevent infinite loop in case su/sudo doesn't work:
XDUMMY_SU_EXEC=1
export XDUMMY_SU_EXEC
+
+ dosu=1
+ nosudo=""
+
for arg in $*
do
- #echo "arg=$arg"
if [ "X$arg" = "X-nonroot" ]; then
dosu=""
- elif [ "X$arg" = "X-noroot" ]; then
- dosu=""
elif [ "X$arg" = "X-nosudo" ]; then
nosudo="1"
elif [ "X$arg" = "X-help" ]; then
@@ -278,7 +316,7 @@ if [ "X$XDUMMY_SU_EXEC" = "X" -a "X`id -u`" != "X0" ]; then
fi
done
if [ $dosu ]; then
- warn "$program: currently needs to be run as root to work."
+ # we need to restart it with su/sudo:
if type sudo > /dev/null 2>&1; then
:
else
@@ -303,9 +341,13 @@ if [ "X$XDUMMY_SU_EXEC" = "X" -a "X`id -u`" != "X0" ]; then
fi
fi
-#warn "args: $*"
+# This will hold the X display, e.g. :20
+#
disp=""
+args=""
+
# Process Xdummy args:
+#
while [ "X$1" != "X" ]
do
case $1 in
@@ -315,9 +357,19 @@ do
;;
"-uninstall") uninstall=1
;;
+ "-n") runit=""
+ ;;
+ "-no") runit=""
+ ;;
+ "-norun") runit=""
+ ;;
+ "-prconf") prconf=1
+ ;;
+ "-noconf") noconf=1
+ ;;
"-nonroot") root=""
;;
- "-noroot") root=""
+ "-root") root=1
;;
"-nosudo") nosudo=1
;;
@@ -328,15 +380,9 @@ do
;;
"-geom"*) geom="$2"; shift
;;
- "-tmpdir") XDUMMY_TMPDIR="$2"; shift
- ;;
- "-n") runit=""
- ;;
- "-no") runit=""
- ;;
- "-prconf") prconf=1
+ "-depth") depth="$2"; shift
;;
- "-noconf") noconf=1
+ "-tmpdir") XDUMMY_TMPDIR="$2"; shift
;;
"-debug") debug=1
;;
@@ -348,13 +394,14 @@ do
;;
"--") shift; break
;;
- *) break
+ *) args="$args $1"
;;
esac
shift
done
# Try to get a username for use in our tmp directory, etc.
+#
user=""
if [ X`id -u` = "X0" ]; then
user=root # this will also be used below for id=0
@@ -363,7 +410,9 @@ elif [ "X$USER" != "X" ]; then
elif [ "X$LOGNAME" != "X" ]; then
user=$LOGNAME
fi
-# keep trying...
+
+# Keep trying...
+#
if [ "X$user" = "X" ]; then
user=`whoami 2>/dev/null`
fi
@@ -374,14 +423,15 @@ if [ "X$user" = "X" -o "X$user" = "X." ]; then
user="u$$"
fi
-if [ "X$debug" = "X1" ]; then
+if [ "X$debug" = "X1" -a "X$runit" != "X" ]; then
echo ""
echo "/usr/bin/env:"
- env
+ env | egrep -v '^(LS_COLORS|TERMCAP)' | sort
echo ""
fi
# Function to compile the LD_PRELOAD shared object:
+#
make_so() {
# extract code embedded in this script into a tmp C file:
@@ -396,7 +446,6 @@ make_so() {
warn "$tmp still exists."
exit 1
fi
- #tail +$n1 $0 | head -$dn > $tmp
tail -n +$n1 $0 | head -n $dn > $tmp
# compile it to Xdummy.so:
@@ -404,7 +453,7 @@ make_so() {
touch $SO
if [ ! -f $SO ]; then
SO=$tdir/Xdummy.$user.so
- warn "warning switch LD_PRELOAD shared object to: $SO"
+ warn "warning switching LD_PRELOAD shared object to: $SO"
fi
rm -f $SO
@@ -417,7 +466,7 @@ make_so() {
exit 1
fi
if [ "X$debug" != "X" -o "X$install" != "X" ]; then
- warn "$program: created $SO"
+ warn "$program: created $SO"
ls -l "$SO"
fi
}
@@ -434,11 +483,10 @@ fi
SO=$0.so
if [ "X$install" != "X" -o "X$uninstall" != "X" ]; then
if [ -e $SO -o -h $SO ]; then
- warn "removing $SO"
+ warn "$program: removing $SO"
fi
rm -f $SO
if [ -e $SO -o -h $SO ]; then
- # not good...
warn "warning: $SO still exists."
exit 1
fi
@@ -452,12 +500,31 @@ if [ "X$install" != "X" -o "X$uninstall" != "X" ]; then
fi
# We need a tmp directory for the .so, tweaked config file, and for
-# redirecting filenames we cannot create (under -nonroot, not yet
-# working).
+# redirecting filenames we cannot create (under -nonroot)
#
+tack=""
if [ "X$XDUMMY_TMPDIR" = "X" ]; then
XDUMMY_TMPDIR="/tmp/Xdummy.$user"
+
+ # try to tack on a unique subdir (display number or pid)
+ # to allow multiple instances
+ #
+ if [ "X$disp" != "X" ]; then
+ t0=$disp
+ else
+ t0=$1
+ fi
+ tack=`echo "$t0" | sed -e 's/^.*://'`
+ if echo "$tack" | grep '^[0-9][0-9]*$' > /dev/null; then
+ :
+ else
+ tack=$$
+ fi
+ if [ "X$tack" != "X" ]; then
+ XDUMMY_TMPDIR="$XDUMMY_TMPDIR/$tack"
+ fi
fi
+
tmp=$XDUMMY_TMPDIR
if echo "$tmp" | grep '^/tmp' > /dev/null; then
if [ "X$tmp" != "X/tmp" -a "X$tmp" != "X/tmp/" ]; then
@@ -472,8 +539,12 @@ fi
mkdir -p $XDUMMY_TMPDIR
chmod 700 $XDUMMY_TMPDIR
+if [ "X$tack" != "X" ]; then
+ chmod 700 `dirname "$XDUMMY_TMPDIR"` 2>/dev/null
+fi
-# see if we can write something there:
+# See if we can write something there:
+#
tfile="$XDUMMY_TMPDIR/test.file"
touch $tfile
if [ ! -f $tfile ]; then
@@ -486,52 +557,100 @@ rm -f $tfile
export XDUMMY_TMPDIR
-# compile the LD_PRELOAD shared object if needed:
+# Compile the LD_PRELOAD shared object if needed (needs XDUMMY_TMPDIR)
+#
if [ ! -f $SO ]; then
SO="$XDUMMY_TMPDIR/Xdummy.so"
make_so
fi
-# decide which X server to use:
+# Decide which X server to use:
+#
if [ "X$xserver" = "X" ]; then
if type Xorg >/dev/null 2>&1; then
xserver="Xorg"
elif type XFree86 >/dev/null 2>&1; then
xserver="XFree86"
- elif -x /usr/X11R6/bin/Xorg; then
- xserver="/usr/X11R6/bin/Xorg"
elif -x /usr/bin/Xorg; then
xserver="/usr/bin/Xorg"
+ elif -x /usr/X11R6/bin/Xorg; then
+ xserver="/usr/X11R6/bin/Xorg"
elif -x /usr/X11R6/bin/XFree86; then
xserver="/usr/X11R6/bin/XFree86"
fi
if [ "X$xserver" = "X" ]; then
# just let it fail below.
- xserver="/usr/X11R6/bin/Xorg"
+ xserver="/usr/bin/Xorg"
warn "$program: cannot locate a stock Xserver... assuming $xserver"
fi
fi
-# see if the binary is suid or not readable under -nonroot (XXX not yet useful):
-xserver_path=`type -p $xserver 2>/dev/null`
+# See if the binary is suid or not readable under -nonroot mode:
+#
+if [ "X$BASH_VERSION" != "X" ]; then
+ xserver_path=`type -p $xserver 2>/dev/null`
+else
+ xserver_path=`type $xserver 2>/dev/null | awk '{print $NF}'`
+fi
if [ -e "$xserver_path" -a "X$root" = "X" -a "X$runit" != "X" ]; then
- if [ ! -r $xserver_path -o -u $xserver_path ]; then
+ if [ ! -r $xserver_path -o -u $xserver_path -o -g $xserver_path ]; then
# XXX not quite correct with rm -rf $XDUMMY_TMPDIR ...
+ # we keep on a filesystem we know root can write to.
base=`basename "$xserver_path"`
- #new="$tdir/$base.$user"
- new="/tmp/$base.$user"
- if [ ! -e $new ]; then
- warn "NEED TO COPY UNREADABLE $xserver_path to $new as root:"
- warn ""
- ls -l $xserver_path 1>&2
- warn ""
- warn "This only needs to be done once."
- warn "Please supply root passwd to 'su -c'"
+ new="/tmp/$base.$user.bin"
+ if [ -e $new ]; then
+ snew=`ls -l $new | awk '{print $5}' | grep '^[0-9][0-9]*$'`
+ sold=`ls -l $xserver_path | awk '{print $5}' | grep '^[0-9][0-9]*$'`
+ if [ "X$snew" != "X" -a "X$sold" != "X" -a "X$sold" != "X$snew" ]; then
+ warn "removing different sized copy:"
+ ls -l $new $xserver_path
+ rm -f $new
+ fi
+ fi
+ if [ ! -e $new -o ! -s $new ]; then
+ rm -f $new
touch $new || exit 1
chmod 700 $new || exit 1
- su -c "cat $xserver_path > $new"
+ if [ ! -r $xserver_path ]; then
+ warn ""
+ warn "NEED TO COPY UNREADABLE $xserver_path to $new as root:"
+ warn ""
+ ls -l $xserver_path 1>&2
+ warn ""
+ warn "This only needs to be done once:"
+ warn " cat $xserver_path > $new"
+ warn ""
+ nos=$nosudo
+ if type sudo > /dev/null 2>&1; then
+ :
+ else
+ nos=1
+ fi
+ if [ "X$nos" = "X1" ]; then
+ warn "Please supply root passwd to 'su -c'"
+ su -c "cat $xserver_path > $new"
+ else
+ warn "Please supply the sudo passwd if asked:"
+ sudo /bin/sh -c "cat $xserver_path > $new"
+ fi
+ else
+ warn ""
+ warn "COPYING SETUID $xserver_path to $new"
+ warn ""
+ ls -l $xserver_path 1>&2
+ warn ""
+ cat $xserver_path > $new
+ fi
ls -l $new
- warn "Please restart."
+ if [ -s $new ]; then
+ :
+ else
+ rm -f $new
+ ls -l $new
+ exit 1
+ fi
+ warn ""
+ warn "Please restart Xdummy now."
exit 0
elif [ ! -O $new ]; then
warn "file \"$new\" not owned by us!"
@@ -542,7 +661,8 @@ if [ -e "$xserver_path" -a "X$root" = "X" -a "X$runit" != "X" ]; then
fi
fi
-# work out display:
+# Work out display:
+#
if [ "X$disp" != "X" ]; then
:
elif [ "X$1" != "X" ]; then
@@ -556,6 +676,7 @@ elif [ "X$1" != "X" ]; then
fi
if [ "X$disp" = "X" -o "X$disp" = "X:" ]; then
# try to find an open display port:
+ # (tcp outdated...)
ports=`netstat -ant | grep LISTEN | awk '{print $4}' | sed -e 's/^.*://'`
n=0
while [ $n -le 20 ]
@@ -572,7 +693,8 @@ if [ "X$disp" = "X" -o "X$disp" = "X:" ]; then
done
fi
-# work out which vt to use, try to find an open one if necessary.
+# Work out which vt to use, try to find/guess an open one if necessary.
+#
vt=""
for arg in $*
do
@@ -604,13 +726,14 @@ if [ "X$vt" = "X" ]; then
if [ "X$vt" = "X" ]; then
# take a wild guess...
vt=vt16
- warn "$program: selected VT $vt"
+ warn "$program: selected fallback VT $vt"
fi
else
vt=""
fi
-# decide flavor of Xserver:
+# Decide flavor of Xserver:
+#
stype=`basename "$xserver"`
if echo "$stype" | grep -i xorg > /dev/null; then
stype=xorg
@@ -618,7 +741,8 @@ else
stype=xfree86
fi
-# work out config file and tweak it.
+# Work out config file and tweak it.
+#
next=""
config=""
got_config=""
@@ -630,29 +754,39 @@ do
break
fi
if [ "X$arg" = "X-xf86config" ]; then
- stype="xfree86"
+ if [ "X$stype" = "X" ]; then
+ stype="xfree86"
+ fi
next=1
elif [ "X$arg" = "X-config" ]; then
- stype="xorg"
+ if [ "X$stype" = "X" ]; then
+ stype="xorg"
+ fi
next=1
fi
done
tweak_config() {
in="$1"
- config2="$XDUMMY_TMPDIR/xconfig"
+ config2="$XDUMMY_TMPDIR/xdummy_modified_xconfig.conf"
if [ "X$disp" != "X" ]; then
- d=`echo "$disp" | sed -e 's,/,,g' -e 's/:/_:/g'`
+ d=`echo "$disp" | sed -e 's,/,,g' -e 's/:/_/g'`
config2="$config2$d"
fi
# perl script to tweak the config file... add/delete options, etc.
- XDUMMY_GEOM=$geom; export XDUMMY_GEOM
- perl > $config2 < $in -e '
+ #
+ env XDUMMY_GEOM=$geom \
+ XDUMMY_DEPTH=$depth \
+ perl > $config2 < $in -e '
$n = 0;
- $geom = $ENV{XDUMMY_GEOM};
+ $geom = $ENV{XDUMMY_GEOM};
+ $depth = $ENV{XDUMMY_DEPTH};
+ $videoram = "24000";
+ $HorizSync = "30.0 - 130.0";
+ $VertRefresh = "50.0 - 250.0";
if ($geom ne "") {
- $tmp = "";
+ my $tmp = "";
foreach $g (split(/,/, $geom)) {
$tmp .= "\"$g\" ";
}
@@ -675,7 +809,7 @@ tweak_config() {
print;
next;
}
- if (/^\s*EndSection/) {
+ if (/^\s*EndSection/i) {
# end of Section
if ($sect eq "serverflags") {
if (!$got_DontVTSwitch) {
@@ -697,13 +831,63 @@ tweak_config() {
}
if (!$got_VideoRam) {
print " ##Xdummy:##\n";
- print " VideoRam 16000\n";
+ print " VideoRam $videoram\n";
+ }
+ } elsif ($sect eq "screen") {
+ if ($depth ne "" && !got_DefaultDepth) {
+ print " ##Xdummy:##\n";
+ print " DefaultDepth $depth\n";
+ }
+ if ($got_Monitor eq "") {
+ print " ##Xdummy:##\n";
+ print " Monitor \"Monitor0\"\n";
+ }
+ } elsif ($sect eq "monitor") {
+ if (!got_HorizSync) {
+ print " ##Xdummy:##\n";
+ print " HorizSync $HorizSync\n";
+ }
+ if (!got_VertRefresh) {
+ print " ##Xdummy:##\n";
+ print " VertRefresh $VertRefresh\n";
}
}
$sect = "";
print;
next;
}
+
+ if (/^\s*SubSection\s+(\S+)/i) {
+ # start of Section
+ $subsect = $1;
+ $subsect =~ s/\W//g;
+ $subsect =~ y/A-Z/a-z/;
+ $subsects{$subsect} = 1;
+ if ($sect eq "screen" && $subsect eq "display") {
+ $got_Mode = 0;
+ }
+ print;
+ next;
+ }
+ if (/^\s*EndSubSection/i) {
+ # end of SubSection
+ if ($sect eq "screen") {
+ if ($subsect eq "display") {
+ if ($depth ne "" && !$set_Depth) {
+ print " ##Xdummy:##\n";
+ print " Depth\t$depth\n";
+ }
+ if ($geom ne "" && ! $got_Mode) {
+ print " ##Xdummy:##\n";
+ print " Modes\t$geom\n";
+ }
+ }
+ }
+ $subsect = "";
+ print;
+ next;
+ }
+
$l = $_;
$l =~ s/#.*$//;
if ($sect eq "serverflags") {
@@ -725,6 +909,14 @@ tweak_config() {
$_ = "##Xdummy## $_";
}
}
+ if ($sect eq "monitor") {
+ if ($l =~ /^\s*HorizSync/i) {
+ $got_HorizSync = 1;
+ }
+ if ($l =~ /^\s*VertRefresh/i) {
+ $got_VertRefresh = 1;
+ }
+ }
if ($sect eq "device") {
if ($l =~ /^(\s*Driver)\b/i) {
$_ = "$1 \"dummy\"\n";
@@ -741,11 +933,34 @@ tweak_config() {
}
}
if ($sect eq "screen") {
- if ($geom ne "") {
- if ($l =~ /^(\s*Modes)\b/i) {
- $_ = "$1 $geom\n";
+ if ($l =~ /^\s*DefaultDepth\s+(\d+)/i) {
+ if ($depth ne "") {
print " ##Xdummy:##\n";
- $got_Modes = 1;
+ $_ = " DefaultDepth\t$depth\n";
+ }
+ $got_DefaultDepth = 1;
+ }
+ if ($l =~ /^\s*Monitor\s+(\S+)/i) {
+ $got_Monitor = $1;
+ $got_Monitor =~ s/"//g;
+ }
+ if ($subsect eq "display") {
+ if ($geom ne "") {
+ if ($l =~ /^(\s*Modes)\b/i) {
+ print " ##Xdummy:##\n";
+ $_ = "$1 $geom\n";
+ $got_Modes = 1;
+ }
+ }
+ if ($l =~ /^\s*Depth\s+(\d+)/i) {
+ my $d = $1;
+ if (!$set_Depth && $depth ne "") {
+ $set_Depth = 1;
+ if ($depth != $d) {
+ print " ##Xdummy:##\n";
+ $_ = " Depth\t$depth\n";
+ }
+ }
}
}
}
@@ -765,15 +980,15 @@ tweak_config() {
print "Section \"Device\"\n";
print " Identifier \"Videocard0\"\n";
print " Driver \"dummy\"\n";
- print " VideoRam 16000\n";
+ print " VideoRam $videoram\n";
print "EndSection\n";
}
if (! exists($sects{monitor})) {
print "\n##Xdummy:##\n";
print "Section \"Monitor\"\n";
print " Identifier \"Monitor0\"\n";
- print " HorizSync 30.0 - 130.0\n";
- print " VertRefresh 50.0 - 250.0\n";
+ print " HorizSync $HorizSync\n";
+ print " VertRefresh $VertRefresh\n";
print "EndSection\n";
}
if (! exists($sects{screen})) {
@@ -781,19 +996,30 @@ tweak_config() {
print "Section \"Screen\"\n";
print " Identifier \"Screen0\"\n";
print " Device \"Videocard0\"\n";
- print " Monitor \"Monitor0\"\n";
- print " DefaultDepth 16\n";
+ if ($got_Monitor ne "") {
+ print " Monitor \"$got_Monitor\"\n";
+ } else {
+ print " Monitor \"Monitor0\"\n";
+ }
+ if ($depth ne "") {
+ print " DefaultDepth $depth\n";
+ } else {
+ print " DefaultDepth 24\n";
+ }
print " SubSection \"Display\"\n";
print " Viewport 0 0\n";
- print " Depth 16\n";
- print " Modes \"1024x768\" \"800x600\" \"640x480\"\n";
+ print " Depth 24\n";
+ if ($geom ne "") {
+ print " Modes $geom\n";
+ } else {
+ print " Modes \"1280x1024\" \"1024x768\" \"800x600\"\n";
+ }
print " EndSubSection\n";
print "EndSection\n";
}
';
}
-args="$*"
if [ ! $noconf ]; then
# tweaked config will be put in $config2:
config2=""
@@ -823,13 +1049,77 @@ if [ ! $noconf ]; then
fi
fi
+ if [ ! -f $config ]; then
+ config="$XDUMMY_TMPDIR/xorg.conf"
+ cat > $config <<END
+
+Section "ServerLayout"
+ Identifier "Layout0"
+ Screen 0 "Screen0"
+ InputDevice "Keyboard0" "CoreKeyboard"
+ InputDevice "Mouse0" "CorePointer"
+EndSection
+
+Section "Files"
+EndSection
+
+Section "Module"
+ Load "dbe"
+ Load "extmod"
+ Load "freetype"
+ Load "glx"
+EndSection
+
+Section "InputDevice"
+ Identifier "Mouse0"
+ Driver "mouse"
+ Option "Protocol" "auto"
+ Option "Device" "/dev/psaux"
+ Option "Emulate3Buttons" "no"
+ Option "ZAxisMapping" "4 5"
+EndSection
+
+Section "InputDevice"
+ Identifier "Keyboard0"
+ Driver "kbd"
+EndSection
+
+Section "Monitor"
+ Identifier "Monitor0"
+ VendorName "Unknown"
+ ModelName "Unknown"
+ HorizSync 30.0 - 130.0
+ VertRefresh 50.0 - 250.0
+ Option "DPMS"
+EndSection
+
+Section "Device"
+ Identifier "Device0"
+ Driver "foovideo"
+ VendorName "foovideo Corporation"
+EndSection
+
+Section "Screen"
+ Identifier "Screen0"
+ Device "Device0"
+ Monitor "Monitor0"
+ DefaultDepth 24
+ SubSection "Display"
+ Depth 24
+ Modes "1280x1024"
+ EndSubSection
+EndSection
+
+END
+ fi
+
if [ -f $config ]; then
tweak_config $config
fi
# now we need to get our tweaked config file onto the command line:
if [ ! $got_config ]; then
- # append:
+ # append to cmdline (FUBAR will be substituted below.)
if [ "X$stype" = "Xxorg" ]; then
args="$args -config FUBAR"
else
@@ -838,9 +1128,14 @@ if [ ! $noconf ]; then
fi
if [ "X$config2" != "X" ]; then
# or modify $args:
+ c2=$config2
+ if [ "X$root" = "X" ]; then
+ # ordinary user cannot use absolute path.
+ c2=`basename $config2`
+ fi
args=`echo "$args" | sed \
- -e "s,-config *[^ ][^ ]*,-config $config2,g" \
- -e "s,-xf86config *[^ ][^ ]*,-xf86config $config2,g"`
+ -e "s,-config *[^ ][^ ]*,-config $c2,g" \
+ -e "s,-xf86config *[^ ][^ ]*,-xf86config $c2,g"`
fi
fi
@@ -850,10 +1145,11 @@ if [ $prconf ]; then
warn ""
if [ "X$config2" = "X" ]; then
warn "NO CONFIG GENERATED."
+ exit 1
else
cat "$config2"
fi
- exit
+ exit 0
fi
if [ $debug ]; then
@@ -865,8 +1161,18 @@ if [ $root ]; then
export XDUMMY_ROOT
fi
-# finally, run it:
+# Finally, run it:
+#
if [ "X$debug" != "X" -o "X$runit" = "X" ]; then
+ if [ ! $runit ]; then
+ echo ""
+ echo "/usr/bin/env:"
+ env | egrep -v '^(LS_COLORS|TERMCAP)' | sort
+ echo ""
+ echo "XDUMMY*:"
+ env | grep '^XDUMMY' | sort
+ echo ""
+ fi
warn ""
warn "The command to run is:"
warn ""
@@ -886,6 +1192,7 @@ if [ "X$debug" != "X" -o "X$runit" = "X" ]; then
exit 0
fi
fi
+
if [ $strace ]; then
strace -f env LD_PRELOAD=$SO $xserver $disp $args $vt
else
@@ -893,6 +1200,7 @@ else
fi
exit $?
+
#########################################################################
code() {
@@ -923,19 +1231,17 @@ code() {
#define __USE_GNU
#include <dlfcn.h>
-static char tmpdir[1024];
-static char str1[1024];
-static char str2[1024];
+static char tmpdir[4096];
+static char str1[4096];
+static char str2[4096];
static char devs[256][1024];
static int debug = -1;
static int root = -1;
static int changed_uid = 0;
static int saw_fonts = 0;
+static int saw_lib_modules = 0;
-#if 0
-typedef long time_t;
-#endif
static time_t start = 0;
void check_debug(void) {
@@ -945,11 +1251,13 @@ void check_debug(void) {
} else {
debug = 0;
}
+ /* prevent other processes using the preload: */
putenv("LD_PRELOAD=");
}
}
void check_root(void) {
if (root < 0) {
+ /* script tells us if we are root */
if (getenv("XDUMMY_ROOT") != NULL) {
root = 1;
} else {
@@ -961,14 +1269,15 @@ void check_root(void) {
void check_uid(void) {
if (start == 0) {
start = time(NULL);
- if (debug) fprintf(stderr, "START: %d\n", start);
+ if (debug) fprintf(stderr, "START: %u\n", (unsigned int) start);
return;
} else if (changed_uid == 0) {
if (saw_fonts || time(NULL) > start + 20) {
if (getenv("XDUMMY_UID")) {
int uid = atoi(getenv("XDUMMY_UID"));
- if (debug) fprintf(stderr, "SETREUID: %d\n", uid);
+ if (debug) fprintf(stderr, "SETREUID: %d saw_fonts=%d\n", uid, saw_fonts);
if (uid >= 0) {
+ /* this will simply fail in -nonroot mode: */
setreuid(uid, -1);
}
}
@@ -1024,15 +1333,23 @@ int open(const char *pathname, int flags, unsigned short mode) {
dlsym(RTLD_NEXT, "open");
}
- if (! root) {
- if (!strcmp(pathname, "/dev/mem")) {
- ;
- } else if (!strcmp(pathname, "/dev/tty")) {
- ;
- } else if (strstr(pathname, "/dev") == pathname) {
+ if (strstr(pathname, "lib/modules/")) {
+ /* not currently used. */
+ saw_lib_modules = 1;
+ }
+
+ if (!root) {
+ if (strstr(pathname, "/dev/") == pathname) {
store_dev = strdup(pathname);
+ }
+ if (strstr(pathname, "/dev/tty") == pathname && strcmp(pathname, "/dev/tty")) {
pathname = tmpdir_path(pathname);
- if (debug) fprintf(stderr, "OPEN: -> %s\n", pathname);
+ if (debug) fprintf(stderr, "OPEN: %s -> %s (as FIFO)\n", store_dev, pathname);
+ /* we make it a FIFO so ioctl on it does not fail */
+ unlink(pathname);
+ mkfifo(pathname, 0666);
+ } else if (0) {
+ /* we used to handle more /dev files ... */
fd = real_open(pathname, O_WRONLY|O_CREAT, 0777);
close(fd);
}
@@ -1040,11 +1357,10 @@ int open(const char *pathname, int flags, unsigned short mode) {
fd = real_open(pathname, flags, mode);
- if (debug) fprintf(stderr, "OPEN: %s %d %d fd=%d\n",
- pathname, flags, mode, fd);
+ if (debug) fprintf(stderr, "OPEN: %s %d %d fd=%d\n", pathname, flags, mode, fd);
if (! root) {
- if (store_dev && fd < 256) {
+ if (store_dev) {
if (fd < 256) {
strcpy(devs[fd], store_dev);
}
@@ -1065,6 +1381,28 @@ int open64(const char *pathname, int flags, unsigned short mode) {
return(fd);
}
+int rename(const char *oldpath, const char *newpath) {
+ static int (*real_rename)(const char *, const char *) = NULL;
+
+ CHECKIT
+ if (! real_rename) {
+ real_rename = (int (*)(const char *, const char *))
+ dlsym(RTLD_NEXT, "rename");
+ }
+
+ if (debug) fprintf(stderr, "RENAME: %s %s\n", oldpath, newpath);
+
+ if (root) {
+ return(real_rename(oldpath, newpath));
+ }
+
+ if (strstr(oldpath, "/var/log") == oldpath) {
+ if (debug) fprintf(stderr, "RENAME: returning 0\n");
+ return 0;
+ }
+ return(real_rename(oldpath, newpath));
+}
+
FILE *fopen(const char *pathname, const char *mode) {
static FILE* (*real_fopen)(const char *, const char *) = NULL;
char *str;
@@ -1084,8 +1422,20 @@ FILE *fopen(const char *pathname, const char *mode) {
real_fopen = (FILE* (*)(const char *, const char *))
dlsym(RTLD_NEXT, "fopen");
}
+
if (debug) fprintf(stderr, "FOPEN: %s %s\n", pathname, mode);
+ if (strstr(pathname, "xdummy_modified_xconfig.conf")) {
+ /* make our config appear to be in /etc/X11, etc. */
+ char *q = strrchr(pathname, '/');
+ if (q != NULL && getenv("XDUMMY_TMPDIR") != NULL) {
+ strcpy(str1, getenv("XDUMMY_TMPDIR"));
+ strcat(str1, q);
+ if (debug) fprintf(stderr, "FOPEN: %s -> %s\n", pathname, str1);
+ pathname = str1;
+ }
+ }
+
if (root) {
return(real_fopen(pathname, mode));
}
@@ -1093,9 +1443,9 @@ FILE *fopen(const char *pathname, const char *mode) {
str = (char *) pathname;
if (strstr(pathname, "/var/log") == pathname) {
str = tmpdir_path(pathname);
- if (debug) fprintf(stderr, "FOPEN: -> %s\n", str);
+ if (debug) fprintf(stderr, "FOPEN: %s -> %s\n", pathname, str);
}
-
+ return(real_fopen(str, mode));
}
@@ -1134,6 +1484,8 @@ int ioctl(int fd, int req, void *ptr) {
RETURN0
} else if (req == KDGKBMODE) {
RETURN0
+ } else if (req == KDSKBMODE) {
+ RETURN0
} else if (req == VT_ACTIVATE) {
RETURN0
} else if (req == VT_WAITACTIVE) {
@@ -1181,7 +1533,7 @@ int close(int fd) {
}
if (debug) fprintf(stderr, "CLOSE: %d\n", fd);
- if (! root) {
+ if (!root) {
if (fd < 256) {
devs[fd][0] = '\0';
}
@@ -1221,11 +1573,6 @@ int stat64(const char *path, struct stat *buf) {
return(real_stat64(path, buf));
}
-/*
- * Note: the following just call the real function if root is
- * true. They will be used if -nonroot is ever figured out.
- */
-
int chown(const char *path, uid_t owner, gid_t group) {
static int (*real_chown)(const char *, uid_t, gid_t) = NULL;
@@ -1252,11 +1599,13 @@ int chown(const char *path, uid_t owner, gid_t group) {
int ioperm(unsigned long from, unsigned long num, int turn_on) {
static int (*real_ioperm)(unsigned long, unsigned long, int) = NULL;
+
CHECKIT
if (! real_ioperm) {
real_ioperm = (int (*)(unsigned long, unsigned long, int))
dlsym(RTLD_NEXT, "ioperm");
}
+ if (debug) fprintf(stderr, "IOPERM: %d %d %d\n", (int) from, (int) num, turn_on);
if (root) {
return(real_ioperm(from, num, turn_on));
}
@@ -1265,16 +1614,25 @@ int ioperm(unsigned long from, unsigned long num, int turn_on) {
int iopl(int level) {
static int (*real_iopl)(int) = NULL;
+
CHECKIT
if (! real_iopl) {
real_iopl = (int (*)(int)) dlsym(RTLD_NEXT, "iopl");
}
+ if (debug) fprintf(stderr, "IOPL: %d\n", level);
if (root) {
return(real_iopl(level));
}
return 0;
}
+#if 0
+
+/*
+ * we got things to work w/o pretending to be root.
+ * so we no longer interpose getuid(), etc.
+ */
+
uid_t getuid(void) {
static uid_t (*real_getuid)(void) = NULL;
CHECKIT
@@ -1299,6 +1657,21 @@ uid_t geteuid(void) {
if (debug) fprintf(stderr, "GETEUID: 0\n");
return 0;
}
+uid_t geteuid_kludge1(void) {
+ static uid_t (*real_geteuid)(void) = NULL;
+ CHECKIT
+ if (! real_geteuid) {
+ real_geteuid = (uid_t (*)(void)) dlsym(RTLD_NEXT, "geteuid");
+ }
+ if (debug) fprintf(stderr, "GETEUID: 0 saw_libmodules=%d\n", saw_lib_modules);
+ if (root && !saw_lib_modules) {
+ return(real_geteuid());
+ } else {
+ saw_lib_modules = 0;
+ return 0;
+ }
+}
+
uid_t getuid32(void) {
static uid_t (*real_getuid32)(void) = NULL;
CHECKIT
@@ -1372,15 +1745,10 @@ gid_t getegid32(void) {
if (debug) fprintf(stderr, "GETEGID32: 0\n");
return 0;
}
-
-#if 0
-int xf86PathIsSafe(char *path) {
- fprintf(stderr, "xf86pathIsSafe: %s\n", path);
- return 1;
-}
#endif
#if 0
+/* maybe we need to interpose on strcmp someday... here is the template */
int strcmp(const char *s1, const char *s2) {
static int (*real_strcmp)(const char *, const char *) = NULL;
CHECKIT
diff --git a/x11vnc/ssltools.h b/x11vnc/ssltools.h
index 1be120f..98aa1ff 100644
--- a/x11vnc/ssltools.h
+++ b/x11vnc/ssltools.h
@@ -1537,6 +1537,9 @@ char create_display[] =
" elif [ \"X$have_startkde\" != \"X\" -a \"X$FD_SESS\" = \"Xkde\" ]; then\n"
" echo \"$have_startkde\"\n"
" return\n"
+" elif [ \"X$have_startlxde\" != \"X\" -a \"X$FD_SESS\" = \"Xlxde\" ]; then\n"
+" echo \"$have_startlxde\"\n"
+" return\n"
" elif [ \"X$have_twm\" != \"X\" -a \"X$FD_SESS\" = \"Xtwm\" ]; then\n"
" echo \"$have_twm\"\n"
" return\n"
@@ -1605,6 +1608,12 @@ char create_display[] =
" return\n"
" fi\n"
" fi\n"
+" if [ \"X$have_startlxde\" != \"X\" ]; then\n"
+" if egrep -i 'Session=lxde' \"$home/.dmrc\" > /dev/null; then\n"
+" echo \"$have_startlxde\"\n"
+" return\n"
+" fi\n"
+" fi\n"
" if [ \"X$have_gnome_session\" != \"X\" ]; then\n"
" if egrep -i 'Session=gnome' \"$home/.dmrc\" > /dev/null; then\n"
" echo \"$have_gnome_session\"\n"
@@ -1990,19 +1999,6 @@ char create_display[] =
" fi\n"
"}\n"
"\n"
-"try_Xdummy() {\n"
-" if [ \"X$have_Xdummy\" = \"X\" ]; then\n"
-" return\n"
-" fi\n"
-" if [ \"X$FD_XDUMMY_NOROOT\" != \"X\" ]; then\n"
-" :\n"
-" elif [ \"X$have_root\" = \"X\" ]; then\n"
-" return\n"
-" fi\n"
-"\n"
-" server $have_Xdummy :$N -geometry $geom -depth $depth\n"
-"}\n"
-"\n"
"try_Xvnc() {\n"
" if [ \"X$have_Xvnc\" = \"X\" ]; then\n"
" return\n"
@@ -2019,6 +2015,57 @@ char create_display[] =
" server $FD_XSRV :$N -geometry $geom -depth $depth\n"
"}\n"
"\n"
+"add_modmap() {\n"
+" if [ \"X$have_root\" = \"X\" ]; then\n"
+" $have_nohup sh -c \"(\n"
+" sleep 10;\n"
+" $have_xmodmap -display :$N -e 'keycode any = Shift_R' \\\n"
+" -e 'add Shift = Shift_L Shift_R' \\\n"
+" -e 'keycode any = Control_R' \\\n"
+" -e 'add Control = Control_L Control_R' \\\n"
+" -e 'keycode any = Alt_L' \\\n"
+" -e 'keycode any = Alt_R' \\\n"
+" -e 'keycode any = Meta_L' \\\n"
+" -e 'clear Mod1' \\\n"
+" -e 'add Mod1 = Alt_L Alt_R Meta_L';\n"
+" if uname | grep SunOS > /dev/null; then\n"
+" for sym in SunAudioMute SunAudioLowerVolume SunAudioRaiseVolume\n"
+" do\n"
+" if $have_xmodmap -pk | grep -w \\$sym > /dev/null; then\n"
+" :\n"
+" else\n"
+" $have_xmodmap -e \\\"keycode any = \\$sym\\\"\n"
+" fi\n"
+" done\n"
+" fi\n"
+"\n"
+" )\" 1>&2 &\n"
+" else\n"
+" (\n"
+" sleep 6;\n"
+" $have_xmodmap -display :$N -e 'keycode any = Shift_R' \\\n"
+" -e 'add Shift = Shift_L Shift_R' \\\n"
+" -e 'keycode any = Control_R' \\\n"
+" -e 'add Control = Control_L Control_R' \\\n"
+" -e 'keycode any = Alt_L' \\\n"
+" -e 'keycode any = Alt_R' \\\n"
+" -e 'keycode any = Meta_L' \\\n"
+" -e 'clear Mod1' \\\n"
+" -e 'add Mod1 = Alt_L Alt_R Meta_L';\n"
+" # this is to workaround a bug with JDS Solaris 10 gnome-session-daemon.\n"
+" if uname | grep SunOS > /dev/null; then\n"
+" for sym in SunAudioMute SunAudioLowerVolume SunAudioRaiseVolume\n"
+" do\n"
+" if $have_xmodmap -pk | grep -w $sym > /dev/null; then\n"
+" :\n"
+" else\n"
+" $have_xmodmap -e \"keycode any = $sym\"\n"
+" fi\n"
+" done\n"
+" fi\n"
+" ) 1>&2 &\n"
+" fi\n"
+"}\n"
"\n"
"try_Xvfb() {\n"
" if [ \"X$have_Xvfb\" = \"X\" ]; then\n"
@@ -2045,58 +2092,27 @@ char create_display[] =
" server $have_Xvfb :$N $sarg 0 ${geom}x${depth} $margs\n"
"\n"
" if [ \"X$result\" = \"X1\" -a \"X$have_xmodmap\" != \"X\" ]; then\n"
-" if [ \"X$have_root\" = \"X\" ]; then\n"
-" $have_nohup sh -c \"(\n"
-" sleep 10;\n"
-" $have_xmodmap -display :$N -e 'keycode any = Shift_R' \\\n"
-" -e 'add Shift = Shift_L Shift_R' \\\n"
-" -e 'keycode any = Control_R' \\\n"
-" -e 'add Control = Control_L Control_R' \\\n"
-" -e 'keycode any = Alt_L' \\\n"
-" -e 'keycode any = Alt_R' \\\n"
-" -e 'keycode any = Meta_L' \\\n"
-" -e 'clear Mod1' \\\n"
-" -e 'add Mod1 = Alt_L Alt_R Meta_L';\n"
-" if uname | grep SunOS > /dev/null; then\n"
-" for sym in SunAudioMute SunAudioLowerVolume SunAudioRaiseVolume\n"
-" do\n"
-" if $have_xmodmap -pk | grep -w \\$sym > /dev/null; then\n"
-" :\n"
-" else\n"
-" $have_xmodmap -e \\\"keycode any = \\$sym\\\"\n"
-" fi\n"
-" done\n"
-" fi\n"
+" add_modmap\n"
+" fi\n"
+"}\n"
"\n"
-" )\" 1>&2 &\n"
-" else\n"
-" (\n"
-" sleep 6;\n"
-" $have_xmodmap -display :$N -e 'keycode any = Shift_R' \\\n"
-" -e 'add Shift = Shift_L Shift_R' \\\n"
-" -e 'keycode any = Control_R' \\\n"
-" -e 'add Control = Control_L Control_R' \\\n"
-" -e 'keycode any = Alt_L' \\\n"
-" -e 'keycode any = Alt_R' \\\n"
-" -e 'keycode any = Meta_L' \\\n"
-" -e 'clear Mod1' \\\n"
-" -e 'add Mod1 = Alt_L Alt_R Meta_L';\n"
-" # this is to workaround a bug with JDS Solaris 10 gnome-session-daemon.\n"
-" if uname | grep SunOS > /dev/null; then\n"
-" for sym in SunAudioMute SunAudioLowerVolume SunAudioRaiseVolume\n"
-" do\n"
-" if $have_xmodmap -pk | grep -w $sym > /dev/null; then\n"
-" :\n"
-" else\n"
-" $have_xmodmap -e \"keycode any = $sym\"\n"
-" fi\n"
-" done\n"
-" fi\n"
-" ) 1>&2 &\n"
-" fi\n"
+"try_Xdummy() {\n"
+" if [ \"X$have_Xdummy\" = \"X\" ]; then\n"
+" return\n"
+" fi\n"
+" if [ \"X$FD_XDUMMY_RUN_AS_ROOT\" != \"X\" -a \"X$have_root\" = \"X\" ]; then\n"
+" return\n"
+" fi\n"
+"\n"
+" server $have_Xdummy :$N -geometry $geom -depth $depth\n"
+" \n"
+" if [ \"X$result\" = \"X1\" -a \"X$have_xprop\" != \"X\" ]; then\n"
+" (sleep 1; $have_xprop -display :$N -root -f X11VNC_TRAP_XRANDR 8s -set X11VNC_TRAP_XRANDR 1 >/dev/null 2>&1) &\n"
+" sleep 1\n"
" fi\n"
"}\n"
"\n"
+"\n"
"cookie() {\n"
" cookie=\"\"\n"
" if [ \"X$have_mcookie\" != \"X\" ]; then\n"
@@ -2234,7 +2250,7 @@ char create_display[] =
" USER=`whoami`\n"
"fi\n"
"\n"
-"PATH=$PATH:/usr/X11R6/bin:/usr/bin/X11:/usr/openwin/bin:/usr/dt/bin:/opt/kde4/bin:/opt/kde3/bin:/opt/gnome/bin:/usr/bin:/bin:/usr/sfw/bin\n"
+"PATH=$PATH:/usr/X11R6/bin:/usr/bin/X11:/usr/openwin/bin:/usr/dt/bin:/opt/kde4/bin:/opt/kde3/bin:/opt/gnome/bin:/usr/bin:/bin:/usr/sfw/bin:/usr/local/bin\n"
"\n"
"have_root=\"\"\n"
"id0=`id`\n"
@@ -2247,7 +2263,7 @@ char create_display[] =
" p_ok=1\n"
"fi\n"
"\n"
-"for prog in startx xinit xdm gdm kdm xterm Xdummy Xvfb Xvnc xauth xdpyinfo mcookie md5sum xmodmap startkde dbus-launch gnome-session blackbox fvwm2 mwm openbox twm windowmaker wmaker enlightenment metacity X Xorg XFree86 Xsun Xsession dtwm netstat nohup esddsp konsole gnome-terminal x-terminal-emulator perl startxfce4 startxfce\n"
+"for prog in startx xinit xdm gdm kdm xterm Xdummy Xvfb Xvnc xauth xdpyinfo mcookie md5sum xmodmap startkde startlxde dbus-launch gnome-session blackbox fvwm2 mwm openbox twm windowmaker wmaker enlightenment metacity X Xorg XFree86 Xsun Xsession dtwm netstat nohup esddsp konsole gnome-terminal x-terminal-emulator perl startxfce4 startxfce xprop\n"
"do\n"
" p2=`echo \"$prog\" | sed -e 's/-/_/g'`\n"
" eval \"have_$p2=''\"\n"
diff --git a/x11vnc/unixpw.c b/x11vnc/unixpw.c
index ef28ef2..3bedfcf 100644
--- a/x11vnc/unixpw.c
+++ b/x11vnc/unixpw.c
@@ -1272,8 +1272,11 @@ int su_verify(char *user, char *pass, char *cmd, char *rbuf, int *rbuf_size, int
sprintf(luser, "%s's", user);
lowercase(luser);
+ if (db) fprintf(stderr, "\nAIX luser compare: \"%s\" to \"%s\"\n", luser, instr);
if (strstr(luser, instr) == luser) {
+ if (db) fprintf(stderr, "AIX luser compare: strstr OK.\n");
if (!strcmp(luser, instr)) {
+ if (db) fprintf(stderr, "AIX luser compare: strings equal.\n");
i = -1;
j = 0;
memset(instr, 0, sizeof(instr));
@@ -1286,6 +1289,7 @@ int su_verify(char *user, char *pass, char *cmd, char *rbuf, int *rbuf_size, int
continue;
}
} else {
+ if (db) fprintf(stderr, "AIX luser compare: problem=1\n");
problem = 1;
}
free(luser);
@@ -1297,7 +1301,6 @@ int su_verify(char *user, char *pass, char *cmd, char *rbuf, int *rbuf_size, int
}
if (problem) {
-
if (db) {
fprintf(stderr, "\"Password:\" did not "
"appear: '%s'" " n=%d\n", instr, n);
@@ -1319,7 +1322,7 @@ int su_verify(char *user, char *pass, char *cmd, char *rbuf, int *rbuf_size, int
return 0;
}
- if (db > 2) fprintf(stderr, "\nsending passwd: %s\n", pass);
+ if (db) fprintf(stderr, "\nsending passwd: %s\n", db > 2 ? pass : "****");
usleep(100 * 1000);
if (slow_pw) {
unsigned int k;
@@ -1703,7 +1706,7 @@ void unixpw_keystroke(rfbBool down, rfbKeySym keysym, int init) {
char h3[] = " scale=... (n/m); scale_cursor=... (sc=); solid (so); id=; repeat; clear_mods (cm); clear_keys (ck);";
char h4[] = " clear_all (ca); speeds=... (sp=); readtimeout=... (rd=) rotate=... (ro=); noncache (nc) (nc=n);";
char h5[] = " geom=WxHxD (ge=); nodisplay=... (nd=); viewonly (vo); tag=...; gnome kde twm fvwm mwm dtwm wmaker";
- char h6[] = " xfce enlightenment Xsession failsafe. Examples: fred:3/4,so,cm wilma:geom=1024x768x16,kde";
+ char h6[] = " xfce lxde enlightenment Xsession failsafe. Examples: fred:3/4,so,cm wilma:geom=1024x768x16,kde";
int ch = 13, p;
if (f1_help) {
p = black_pixel();
diff --git a/x11vnc/user.c b/x11vnc/user.c
index c459f34..1b1cfba 100644
--- a/x11vnc/user.c
+++ b/x11vnc/user.c
@@ -1988,6 +1988,8 @@ static char *build_create_cmd(char *cmd, int *saw_xdmcp, char *usslpeer, char *t
sprintf(fdsess, "gnome");
} else if (strstr(t, "kde")) {
sprintf(fdsess, "kde");
+ } else if (strstr(t, "lxde")) {
+ sprintf(fdsess, "lxde");
} else if (strstr(t, "twm")) {
sprintf(fdsess, "twm");
} else if (strstr(t, "fvwm")) {
@@ -2120,8 +2122,8 @@ static char *build_create_cmd(char *cmd, int *saw_xdmcp, char *usslpeer, char *t
if (fdtag[0] == '\0' && getenv("FD_TAG")) {
snprintf(fdtag, 120, "%s", getenv("FD_TAG"));
}
- if (fdxdum[0] == '\0' && getenv("FD_XDUMMY_NOROOT")) {
- snprintf(fdxdum, 120, "%s", getenv("FD_XDUMMY_NOROOT"));
+ if (fdxdum[0] == '\0' && getenv("FD_XDUMMY_RUN_AS_ROOT")) {
+ snprintf(fdxdum, 120, "%s", getenv("FD_XDUMMY_RUN_AS_ROOT"));
}
if (getenv("CREATE_DISPLAY_OUTPUT")) {
snprintf(cdout, 120, "CREATE_DISPLAY_OUTPUT='%s'", getenv("CREATE_DISPLAY_OUTPUT"));
@@ -2151,7 +2153,7 @@ static char *build_create_cmd(char *cmd, int *saw_xdmcp, char *usslpeer, char *t
set_env("FD_NAS", fdnas);
set_env("FD_SMB", fdsmb);
set_env("FD_TAG", fdtag);
- set_env("FD_XDUMMY_NOROOT", fdxdum);
+ set_env("FD_XDUMMY_RUN_AS_ROOT", fdxdum);
set_env("FD_SESS", fdsess);
if (usslpeer || (unixpw && keep_unixpw_user)) {
@@ -2174,7 +2176,7 @@ static char *build_create_cmd(char *cmd, int *saw_xdmcp, char *usslpeer, char *t
+ strlen("FD_NAS='' ")
+ strlen("FD_SMB='' ")
+ strlen("FD_TAG='' ")
- + strlen("FD_XDUMMY_NOROOT='' ")
+ + strlen("FD_XDUMMY_RUN_AS_ROOT='' ")
+ strlen("FD_SESS='' /bin/sh ")
+ strlen(uu) + 1
+ strlen(fdgeom) + 1
@@ -2194,7 +2196,7 @@ static char *build_create_cmd(char *cmd, int *saw_xdmcp, char *usslpeer, char *t
sprintf(create_cmd, "env USER='%s' FD_GEOM='%s' FD_SESS='%s' "
"FD_OPTS='%s' FD_EXTRA='%s' FD_PROG='%s' FD_XSRV='%s' FD_CUPS='%s' "
"FD_ESD='%s' FD_NAS='%s' FD_SMB='%s' FD_TAG='%s' "
- "FD_XDUMMY_NOROOT='%s' %s /bin/sh %s %s",
+ "FD_XDUMMY_RUN_AS_ROOT='%s' %s /bin/sh %s %s",
uu, fdgeom, fdsess, fdopts, fdextra, fdprog, fdxsrv,
fdcups, fdesd, fdnas, fdsmb, fdtag, fdxdum, cdout, tmp, opts);
} else {
diff --git a/x11vnc/x11vnc.1 b/x11vnc/x11vnc.1
index 68c73c3..a1ac9bc 100644
--- a/x11vnc/x11vnc.1
+++ b/x11vnc/x11vnc.1
@@ -2,7 +2,7 @@
.TH X11VNC "1" "December 2009" "x11vnc " "User Commands"
.SH NAME
x11vnc - allow VNC connections to real X11 displays
- version: 0.9.9, lastmod: 2009-12-21
+ version: 0.9.10, lastmod: 2009-12-24
.SH SYNOPSIS
.B x11vnc
[OPTION]...
@@ -1247,6 +1247,16 @@ As in \fB-create,\fR except Xvnc instead of Xvfb.
.IP
As in \fB-create,\fR except Xvnc.redirect instead of Xvfb.
.PP
+\fB-xdummy_xvfb\fR
+.IP
+Sets WAIT:cmd=FINDCREATEDISPLAY-Xdummy,Xvfb
+.PP
+\fB-create_x\fR \fIstr\fR
+.IP
+Sets WAIT:cmd=FINDCREATEDISPLAY-<str> Can be on cmdline
+after anything that sets WAIT:.. and other things
+(e.g. \fB-svc,\fR \fB-xdmsvc)\fR to adjust the X server list.
+.PP
\fB-svc\fR
.IP
Terminal services mode based on SSL access. Alias for
@@ -1261,6 +1271,10 @@ As \fB-svc\fR except Xdummy instead of Xvfb.
.IP
As \fB-svc\fR except Xvnc instead of Xvfb.
.PP
+\fB-svc_xdummy_xvfb\fR
+.IP
+As \fB-svc\fR with Xdummy,Xvfb.
+.PP
\fB-xdmsvc\fR
.IP
Display manager Terminal services mode based on SSL.
@@ -1444,11 +1458,13 @@ ge=). This only has an effect in FINDCREATEDISPLAY
mode when a virtual X server such as Xvfb is going
to be created. It sets the width and height of
the new display, and optionally the color depth as
-well. You can also supply "gnome", "kde", "twm",
+well.
+.IP
+You can also supply "gnome", "kde", "twm",
"fvwm", "mwm", "dtwm", "wmaker", "xfce",
-"enlightenment", "Xsession", or "failsafe"
-(same as "xterm") to have the created display use
-that mode for the user session.
+"lxde", "enlightenment", "Xsession", or
+"failsafe" (same as "xterm") to have the created
+display use that mode for the user session.
.IP
Specify "tag=..." to set the unique FD_TAG desktop
session tag described below. Note: this option will
@@ -1552,19 +1568,21 @@ By default FINDCREATEDISPLAY will try Xvfb and then
Xdummy:
.IP
The Xdummy wrapper is part of the x11vnc source code
-(x11vnc/misc/Xdummy) It should be available in PATH and
-have run "Xdummy \fB-install"\fR once to create the shared
-library. Xdummy requires root permission and only works
-on Linux. (Note: specify FD_XDUMMY_NOROOT=1 to skip
-a check for the root id; evidently your
-.IR sudo (1)
-will
-take care of everything. The \fB-xdummy\fR and \fB-svc_xdummy\fR
-options imply FD_XDUMMY_NOROOT=1).
+(x11vnc/misc/Xdummy) It should be available in PATH
+and have run "Xdummy \fB-install"\fR once to create the
+shared library. Xdummy only works on Linux. As of
+12/2009 it no longer needs to be run as root, and the
+default is to not run as root. In some circumstances
+permissions may require running it as root, in these
+cases specify FD_XDUMMY_RUN_AS_ROOT=1, this is the same
+as supplying \fB-root\fR to the Xdummy cmdline.
.IP
Xvfb is available on most platforms and does not
require root.
.IP
+An advantage of Xdummy over Xvfb is that Xdummy supports
+RANDR dynamic screen resizing.
+.IP
When x11vnc exits (i.e. user disconnects) the X
server session stays running in the background.
The FINDDISPLAY will find it directly next time.
@@ -1629,13 +1647,11 @@ be the full path to the session/windowmanager program.
More FD tricks: FD_CUPS=port or FD_CUPS=host:port
will set the cups printing environment. Similarly for
FD_ESD=port or FD_ESD=host:port for esddsp sound
-redirection. FD_XDUMMY_NOROOT means the Xdummy
-server does not need to be started as root (e.g. it
-will sudo automatically). Set FD_EXTRA to a command
-to be run a few seconds after the X server starts up.
-Set FD_TAG to be a unique name for the session, it is
-set as an X property, that makes FINDDISPLAY only find
-sessions with that tag value.
+redirection. Set FD_EXTRA to a command to be run a
+few seconds after the X server starts up. Set FD_TAG
+to be a unique name for the session, it is set as an
+X property, that makes FINDDISPLAY only find sessions
+with that tag value.
.IP
If you want the FINDCREATEDISPLAY session to contact an
XDMCP login manager (xdm/gdm/kdm) on the same machine,
diff --git a/x11vnc/x11vnc.c b/x11vnc/x11vnc.c
index d6429e3..28db622 100644
--- a/x11vnc/x11vnc.c
+++ b/x11vnc/x11vnc.c
@@ -2221,10 +2221,20 @@ int main(int argc, char* argv[]) {
use_dpy = strdup("WAIT:cmd=FINDCREATEDISPLAY-Xvfb");
continue;
}
+ if (!strcmp(arg, "-create_x")) {
+ CHECK_ARGC
+ use_dpy = (char *) malloc(strlen(argv[i+1])+100);
+ sprintf(use_dpy, "WAIT:cmd=FINDCREATEDISPLAY-%s", argv[++i]);
+ continue;
+ }
if (!strcmp(arg, "-xdummy")) {
use_dpy = strdup("WAIT:cmd=FINDCREATEDISPLAY-Xdummy");
continue;
}
+ if (!strcmp(arg, "-xdummy_xvfb")) {
+ use_dpy = strdup("WAIT:cmd=FINDCREATEDISPLAY-Xdummy,Xvfb");
+ continue;
+ }
if (!strcmp(arg, "-xvnc")) {
use_dpy = strdup("WAIT:cmd=FINDCREATEDISPLAY-Xvnc");
continue;
@@ -2557,7 +2567,14 @@ int main(int argc, char* argv[]) {
users_list = strdup("unixpw=");
use_openssl = 1;
openssl_pem = strdup("SAVE");
- set_env("FD_XDUMMY_NOROOT", "1");
+ continue;
+ }
+ if (!strcmp(arg, "-svc_xdummy_xvfb")) {
+ use_dpy = strdup("WAIT:cmd=FINDCREATEDISPLAY-Xdummy,Xvfb");
+ unixpw = 1;
+ users_list = strdup("unixpw=");
+ use_openssl = 1;
+ openssl_pem = strdup("SAVE");
continue;
}
if (!strcmp(arg, "-svc_xvnc")) {
@@ -4924,6 +4941,15 @@ int main(int argc, char* argv[]) {
} else if (use_dpy && strstr(use_dpy, "WAIT:") == use_dpy) {
char *mcm = multiple_cursors_mode;
+ if (strstr(use_dpy, "Xdummy")) {
+ if (!xrandr && !got_noxrandr) {
+ if (! quiet) {
+ rfbLog("Enabling -xrandr for possible use of Xdummy server.\n");
+ }
+ xrandr = 1;
+ }
+ }
+
waited_for_client = wait_for_client(&argc_vnc, argv_vnc,
try_http && ! got_httpdir);
@@ -4933,6 +4959,7 @@ int main(int argc, char* argv[]) {
}
}
+
if (auth_file) {
check_guess_auth_file();
if (auth_file != NULL) {
@@ -4990,6 +5017,16 @@ int main(int argc, char* argv[]) {
exit(0);
}
+ if (dpy && !xrandr && !got_noxrandr) {
+ Atom trap_xrandr = XInternAtom(dpy, "X11VNC_TRAP_XRANDR", True);
+ if (trap_xrandr != None) {
+ if (! quiet) {
+ rfbLog("Enabling -xrandr due to X11VNC_TRAP_XRANDR atom.\n");
+ }
+ xrandr = 1;
+ }
+ }
+
#ifdef MACOSX
if (! dpy && ! raw_fb_str) {
raw_fb_str = strdup("console");
diff --git a/x11vnc/x11vnc_defs.c b/x11vnc/x11vnc_defs.c
index 351fea7..d2a0ae3 100644
--- a/x11vnc/x11vnc_defs.c
+++ b/x11vnc/x11vnc_defs.c
@@ -47,7 +47,7 @@ int xtrap_base_event_type = 0;
int xdamage_base_event_type = 0;
/* date +'lastmod: %Y-%m-%d' */
-char lastmod[] = "0.9.9 lastmod: 2009-12-21";
+char lastmod[] = "0.9.10 lastmod: 2009-12-24";
/* X display info */
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-25 18:32:51 +0000