Problem about su command ?

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# 1  
Old 11-11-2007
Problem about su command ?

In unix prompt when i run following command ...

# current user is "aaa" (not root)
# I want to run some command with "bbb" user then i using
su - bbb -c "command"
# Then, my shell request for user "bbb" password before running command

If I want to add this command to shell script which "not enter password" or "add password to this command", How can I do ?
Thanks you
# 2  
Old 11-11-2007
Use sudo command
# 3  
Old 11-11-2007
Thanks you but my AIX 4.3 don't have sudo command
# 4  
Old 11-11-2007
# 5  
Old 11-12-2007
Option 1. - sudo
sudo is a freeware tool that can be downloaded from many sites, maybe even your OS vendor's (Sun and HP provide it free of charge).

Option 2 - OS built-in facilities
I don't know AIX, but does it offer any role-based access (RBAC) facilities built-in?

Option 3 - setuid wrapper
The other way to achieve what you want is to implement a setuid front-end to your command. Depending upon your o/s you may be able to do this as a shell script or may have to resort to C programming (see the exec() system call, but do not use system()).

And a word of warning
In particular, if you use this approach to invoke a command that can "shell out" (eg. vi, more, and so-on), then you are giving the user the ability to become root on your system.
# 6  
Old 11-12-2007
Thanks you for all suggestion and warning. I will try and come back to reply answer again.
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