>>>>> Krishnakant <hackin...@gmail.com> (K) wrote: >K> hello all, >K> This is a real challenge and I don't know if a solution even exists for >K> this or not.
>K> I am writing an application which I run as my usual user on ubuntu. >K> the usernake is let's say kk and it has sudo permission (meaning the >K> user is in the sudoers list ). >K> now when i do python myscript.py, the script has to change to another >K> non-privileged user for some tasks. >K> let's say for example switch to the postgres user which is dedicated for >K> postgres and has no other privileges. >K> I have tryed doing os.setuid(112) where 112 could be the uid of the user >K> I want the script to swith over. >K> but I got opperation not permitted. Being a sudoer is not a privilege to issue the os.setuid system call. It is only a permission to use the sudo command. >K> I tryed using subprocess but that did not help me either. I tryed sudo >K> su into the Popen command but it throws me into the terminal (shell) >K> with postgres as the user. You could execute the command: sudo -u postgres required_command with subprocess. You have another problem then: your password must be supplied unless the NOPASSWD flag is set in the sudoers file. >K> But that's now my desired result. >K> what I exactly want is that the script now continues to execute under >K> postgres user till the end. I don't think that's possible if you start as the user kk. >K> I don't know how to achieve this iffect. >K> Infact I will need this during a serious deployment because i would have >K> my application run as a demon as a dedicated user. >K> I am finding some code for deamonising a python application but don't >K> know how to tell the script to change user. >K> happy hacking. >K> Krishnakant. -- Piet van Oostrum <p...@cs.uu.nl> URL: http://pietvanoostrum.com [PGP 8DAE142BE17999C4] Private email: p...@vanoostrum.org -- http://mail.python.org/mailman/listinfo/python-list
