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Top Forums UNIX for Dummies Questions & Answers Sudo to delegate permission from non-root user to another non-root user Post 302619985 by canar on Friday 6th of April 2012 05:03:24 PM
Old 04-06-2012
Sudo to delegate permission from non-root user to another non-root user

I've been through many threads before i decide to create a separate thread.
I can't really find the solution to my (simple) problem.

Here's what I'm trying to achieve:
As "canar" user I want to run a command, let's say "/opt/ocaml/bin/ocaml" as "duck" user.

The only to achieve this is to give "canar" user root permission in sudoers, see below:

Host_Alias LAB = linuxbox
User_Alias LABTRUSTED = canar
Cmnd_Alias LABADMIN = /bin/bash, /bin/su, /bin
LABTRUSTED LAB=(ALL) NOPASSWD: LABADMIN

And run any command:

canar@linuxbox$ sudo -i -u duck 'id'


But basically, this is a huge security hole since canar can run whatever he wants as anyone (including root)
I want to restrict canar user to be able to login as duck user (or as anyone from a given group) without providing root access

Edit:
want to restrict canar user to be able to run an identified command as duck user (or as anyone from a given group) without providing root access

Any help would be welcome!
Smilie
~canar
 

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VCONSOLE.CONF(5)                                                   vconsole.conf                                                  VCONSOLE.CONF(5)

NAME
vconsole.conf - configuration file for the virtual console SYNOPSIS
/etc/vconsole.conf DESCRIPTION
The /etc/vconsole.conf file configures the virtual console, i.e. keyboard mapping and console font. The basic file format of the vconsole.conf is a newline-separated list environment-like shell-compatible variable assignments. It is possible to source the configuration from shell scripts, however, beyond mere variable assignments no shell features are supported, allowing applications to read the file without implementing a shell compatible execution engine. Note that the kernel command line options vconsole.keymap=, vconsole.keymap.toggle=, vconsole.font=, vconsole.font.map=, vconsole.font.unimap= may be used to override the console settings at boot. Depending on the operating system other configuration files might be checked for configuration of the virtual console as well, however only as fallback. OPTIONS
The following options are understood: KEYMAP=, KEYMAP_TOGGLE= Configures the key mapping table of for they keyboard. KEYMAP= defaults to us if not set. The KEYMAP_TOGGLE= can be used to configured a second toggle keymap and is by default unset. FONT=, FONT_MAP=, FONT_UNIMAP= Configures the console font, the console map and the unicode font map. FONT= defaults to latarcyrheb-sun16. EXAMPLE
Example 1. German keyboard and console /etc/vconsole.conf: KEYMAP=de-latin1 FONT=latarcyrheb-sun16 SEE ALSO
systemd(1), loadkeys(1), setfont(8), locale.conf(5) AUTHOR
Lennart Poettering <lennart@poettering.net> Developer systemd 10/07/2013 VCONSOLE.CONF(5)
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