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# 1  
Old 08-03-2011
sudo/sudoers

Dear folks.

Considering PCIDSS standards, i have requirment to use sudo(ers) to log everything a certain user executes with root privileges.

Now, for an admin it's just a pain in the ass to prefix every command with sudo.

Only way i can think of is making .aliases and with some awk magic making every executable like :
Code:
alias ls="sudo ls"

Is there any better way perhaps ?

Thanks and regards.
# 2  
Old 08-03-2011
???
Code:
sudo bash
sudo su

# 3  
Old 08-03-2011
That's not logged then, if you invoke shell

It will log only shell invocation and nothing after e.g
Code:
Aug  3 13:08:09 hostname sudo: user : TTY=pts/0 ; PWD=/home/user ; USER=root ; TSID=00000G ; COMMAND=/sbin/sh

If you use
Code:
sudo ls -lrt

You get.
Code:
Aug  3 13:05:47 hostname sudo: user : TTY=pts/0 ; PWD=/home/user ; USER=root ; TSID=00000E ; COMMAND=/usr/bin/ls -lrt

Regards.
# 4  
Old 08-03-2011
Well... Just an idea.
In bash you can unset $PATH in your .bashrc and set a special bash function "command_not_found_handle" with setting local variable PATH and then invoking the command: sudo "$@" .
# 5  
Old 08-04-2011
Well, i did try but to no avail.
I found and example function to avoid sudo completly and log root commands, but it runs in infinite loop using posix shell (/sbin/sh) and trap <function> DEBUG
I'm unable to determine why is it working in everything besides posix shell Smilie

This is the code (this works in ksh and bash, but i'm not changing default root shell, since if /usr is not avalible machine won't boot.)
This is .profile
Code:
function cmd2sys
{
        CMD=$(fc -ln -0)
        USER=$(whoami)
        logger -p local1.notice -i : COMMAND = $CMD" ; "USER = $USER" ; "PWD=$PWD
}
trap cmd2sys DEBUG

Can you be more specific, how would you prefix every command with sudo in bash shell using command_not_found_handle ?

Thanks alot.
Regards
Peasant.
# 6  
Old 08-04-2011
It was just an idea. But it seems it works. The only quirk is that PATH should be set to something. So this works for me:
Code:
$ PATH=1
$ function command_not_found_handle () { PATH=/bin:/usr/bin: sudo "$@"; }
$ touch /etc/abcd
$ rm /etc/abcd
$ tail -n3 /var/log/auth.log
Aug  4 19:54:49 uf3 sudo:     jazu : TTY=pts/0 ; PWD=/home/jazu/tmp ; USER=root ; COMMAND=/usr/bin/touch /etc/abcd
Aug  4 19:54:54 uf3 sudo:     jazu : TTY=pts/0 ; PWD=/home/jazu/tmp ; USER=root ; COMMAND=/bin/rm /etc/abcd
Aug  4 19:55:13 uf3 sudo:     jazu : TTY=pts/0 ; PWD=/home/jazu/tmp ; USER=root ; COMMAND=/usr/bin/tail -n3 /var/log/auth.log

This User Gave Thanks to yazu For This Post:
# 7  
Old 08-04-2011
Thanks mate, i really appreciate it.

Didn't know that PATH trick, seems real nice, didn't know it can be used in such manner.

Regards
Peasant.

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