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Full Discussion: UNIX group id
Special Forums Cybersecurity UNIX group id Post 302554983 by jim mcnamara on Tuesday 13th of September 2011 02:10:45 PM
Old 09-13-2011
I think I get what you want.

You want to login as user A, but automatically become user B, and stay user B.
When then this weird user logs out he just logs out and is never really user A. Right?
Simply giving user A the same group id as User B will not do what you want. -- assuming I understand what you want.

Here is the very insecure quick version for solaris, run as root (change directory names to work for you):
Code:
# user needs to be in a group all by himself
groupadd weird
mkdir -p /export/home/userA
useradd -g weird -d /export/home/userA -c 'odd user' -s /bin/ksh -P 'Primary Administrator' userA
chown userA:weird /export/home/userA

Give userA a password.

next create a login .profile for userA that looks like this:
Code:
pfexec su - userB
exit

next
Code:
cp .profile /export/home/userA
chmod 444 /export/home/userA/.profile
chown root:root /export/home/userA/.profile

If you really need this, consider learning about RBAC for Solaris, instead of this hack.
Blastwave.org - An OpenSolaris Community Site has sudo for Solaris, which is a quicker way to get fine control over something like tihs.
 

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LEARN ABOUT REDHAT

nwborm

NWBORM(8)							      nwborm								 NWBORM(8)

NAME

       nwborm - Remove a NetWare Bindery Object

SYNOPSIS

       nwborm [ -h ] [ -S server ] [ -U user name ] [ -P password | -n ] [ -C ] [ -o object name ] [ -t type ]

DESCRIPTION

       nwborm removes the specified NetWare Bindery Objects.

       nwborm  looks up the file $HOME/.nwclient to find a file server, a user name and possibly a password. See nwclient(5) for more information.
       Please note that the access permissions of $HOME/.nwclient MUST be 600 for security reasons.

OPTIONS

       -h
	  -h is used to print out a short help text.

       -S server
	  server is the name of the server you want to use.

       -U user
	  user is the user name to use for login.

       -P password
	  password is the password to use for login. If neither -n nor -P are given, and the user has no open connection  to  the  server,  nwborm
	  prompts for a password.

       -n
	  -n should be given if no password is required for the login.

       -C
	  By default, passwords are converted to uppercase before they are sent to the server, because most servers require this. You can turn off
	  this conversion by -C.

       -o object name
	  The name of the object to be deleted.

       -t object type
	  The type of the object.  Object type must be specified as a decimal value. Common values are 1 for user objects, 2 for group objects and
	  3 for print queues. Other values are allowed, but are usually used for specialized applications.

AUTHORS

       nwborm was written by Volker Lendecke with the corresponding Caldera utility in mind. See the Changes file of ncpfs for other contributors.

nwborm								     7/9/1996								 NWBORM(8)
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