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This is the original README file from the xsu 0.2.3 distribution.
XSU - SU for Gnome
* Introduction
xsu Is an interface for the command `su - username -c command` in Gnome. When
the user executes xsu, he will be prompted for a command, a username and a
password. If the username and password are correct xsu will execute the command
as the entered user. So if the username was root, then the command will be
executed as root.
Of course it's also possible to predefine the username and the command by
using the [-u,--username] and [-c,--command] arguments at the command line
of xsu. This can be very useful when using xsu in for example gmenu or the
* Security
Gnome Xsu 0.2.0 uses the standard su binary to gain it's root access. This
way, all security issues should be solved.
The security of all older xsu versions was very bad. With xsu version 0.1.0
I introduced the use of a pipe to a secured non-Gnome SUID application. This
has been replaced with a special type of pipe to the standard su application.
For example the one from GNU sh-utils.
* Little manual
- Commandline parameters for xsu
* [-u|--username] "username" Sets the username
* [-c|--command] "command line" Sets the command
* [-m|--message] "Message^line" Sets the message
* [-t|--title] "Window title" Sets the window title
* [-i|--icon] "pixmap file" Loads another icon
* [-a|--set-display] "hostname:port" Sets the DISPLAY
environment variable
to :0 before starting
the command if no 2e
argument is given. Else
use the Xserver at
* [-e|--hide] Hides the username
and command textboxes
if possible
* [-d|--unadaptable] Disables the username
and command textboxes
if possible.
* [-h|--help] Displays help
ps. When using -m or --message you can use the character ^
in your message if you want to use a new line, and the character
~ if you want to use a tabulation. If no message is set, then
the default message will be used :
The action you requested requires root
Please enter the correct password for it
below and press [Return] or click OK.
Example :
xsu --message "The action you requested requires root^priveleges.^Please enter the correct password for it^below and press [Return] or click OK."
- Using xsu in gmenu (Menu Editor)
At the "Command:" textbox just use for example
xsu -c "The command line" -u "root" -m "Enter the root password^please."
* Example :
Command: xsu -c "gmenu" -u "root" -m "To start the Menu Editor^you have to enter^the root password^here."
* Tested and compiled on
- RedHat 6.0, Gnome-libs 1.0.8
- RedHat 6.1, Gnome-libs 1.0.40
- RedHat 6.2, Gnome-libs 1.?.?
- RedHat 7.0, Gnome-libs 1.2.4
- Debian, Gnome-libs 1.?.?
- FreeBSD, Gnome-libs 1.2.4
- Mandrake 8.0, Gnome-libs 1.2.13
- Mandrake 8.0 (Ximian), Gnome-libs
* Latest version and reference
* Documentation
man xsu
* Installation
! You need the Gnome (And GTK+, GDK) development packages (gnome-libs-devel)
make install
* Special options for ./configure
Usage: configure [--option=value]
--help print this message
Directory and file names:
--man-base=PATH Set path to man pages [/usr/share/man]
--doc-path=PATH Set path for documentation [/usr/share/doc]
--gnome-config-prefix=PATH Where to find gnome-config []
--prefix=PATH Installation base
--su-pwd-out=STRVALUE Set what su outputs while waiting for password.
Gnome Xsu will wait for this string to send the
password through the faked terminal. So this string
MUST be correct ! (test with "su - root -c test")
[Password: ]
--max-su-delay=INTVALUE Delay before su fails [$max_su_delay]
--debug Enables debugging mode (only for developpers)
* Uninstallation (dont remove the Makefile nor do make distclean)
make uninstall
* Doing a distclean
make distclean
* Doing a clean
make clean