setuid sticky bit


 
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Old 09-23-2004
setuid sticky bit

I have a binary. It is having the following permissions

rws rws rwx mqm:mqm runmqtrm

The same program on another machine is

rws rws rwx root: mqm runmqtrm

This program is a setuid program.
This is what my understanding is. Whatever user the program is started under, it will finally be running as rmuser.

Now if I start the program as root on the second one it starts ok.
If I start the program as mqm on the first box it doesn't work. On the second box if I start it as root it works.

Can somebody explain me this.

Thanks
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RPLAY.HOSTS(5)							File Formats Manual						    RPLAY.HOSTS(5)

NAME
rplay.hosts - rplay host authentication database SYNOPSIS
/usr/local/etc/rplay.hosts DESCRIPTION
The rplay.hosts file contains a list of hosts and access permissions which rplayd uses to validate incoming connections. Each line is of the form: hostname[:permission] where hostname is the name of a remote host or a host's IP address. Wildcards can be used within IP addresses to match multiple hosts. The wildcard character is "*". permission is an optional field containing any combination of the following characters: r the host can read sounds. w the host can write sounds. x the host can play, stop, pause, and continue sounds. This is normally called execute permission. m the host can monitor the audio stream written by rplayd to the audio device. "rx" permissions are used when no permissions are specified. EXAMPLE
# # All hosts have read access: # *:r # # Trusted hosts: # nice-guy.sdsu.edu:rwx friend.sdsu.edu:rwx amigo.sdsu.edu:rwx 130.191.224.224:rwx # # Hosts which can read and execute: # foo.bar.com:rx 130.190.*:rx 146.244.234.*:rx using.default.perms.edu # # Hosts which can monitor the audio stream # nsa.sdsu.edu:m FILES
/usr/local/etc/rplay.hosts SEE ALSO
rplayd(1) BUGS
The permissions for an "*" entry apply to all matching hosts. The order of this file does not matter. Specific hosts can have access dis- abled with entries like: bad.guy.edu: however, any matching "*" entries will still apply. 12/21/97 RPLAY.HOSTS(5)