11-03-2001
restriction of the "su" command
There's a feature I reall ylike in FreeBSD that's I haven't seen implemented in Solaris.
In FreeBSD you can only "su" if you are part of the 'wheel' group... this isn't the case with my Solaris box.
I want to know how I can set my solaris box so that only people who are part of the 'sysadmin' group (of if I have to make a wheel group) are the only ones able to "su" to root.
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LEARN ABOUT MOJAVE
user::grent
User::grent(3pm) Perl Programmers Reference Guide User::grent(3pm)
NAME
User::grent - by-name interface to Perl's built-in getgr*() functions
SYNOPSIS
use User::grent;
$gr = getgrgid(0) or die "No group zero";
if ( $gr->name eq 'wheel' && @{$gr->members} > 1 ) {
print "gid zero name wheel, with other members";
}
use User::grent qw(:FIELDS);
getgrgid(0) or die "No group zero";
if ( $gr_name eq 'wheel' && @gr_members > 1 ) {
print "gid zero name wheel, with other members";
}
$gr = getgr($whoever);
DESCRIPTION
This module's default exports override the core getgrent(), getgruid(), and getgrnam() functions, replacing them with versions that return
"User::grent" objects. This object has methods that return the similarly named structure field name from the C's passwd structure from
grp.h; namely name, passwd, gid, and members (not mem). The first three return scalars, the last an array reference.
You may also import all the structure fields directly into your namespace as regular variables using the :FIELDS import tag. (Note that
this still overrides your core functions.) Access these fields as variables named with a preceding "gr_". Thus, "$group_obj->gid()"
corresponds to $gr_gid if you import the fields. Array references are available as regular array variables, so "@{ $group_obj->members()
}" would be simply @gr_members.
The getpw() function is a simple front-end that forwards a numeric argument to getpwuid() and the rest to getpwnam().
To access this functionality without the core overrides, pass the "use" an empty import list, and then access function functions with their
full qualified names. On the other hand, the built-ins are still available via the "CORE::" pseudo-package.
NOTE
While this class is currently implemented using the Class::Struct module to build a struct-like class, you shouldn't rely upon this.
AUTHOR
Tom Christiansen
perl v5.18.2 2013-11-04 User::grent(3pm)