59 lines
1.8 KiB
Tcl
59 lines
1.8 KiB
Tcl
|
# acl.tcl --
|
||
|
|
#
|
||
|
|
# Access control list (acl) implementation for Tcl
|
||
|
|
#
|
||
|
|
# Copyright (c) 1992-1993 The Regents of the University of California.
|
||
|
|
# All rights reserved.
|
||
|
|
#
|
||
|
|
# Permission is hereby granted, without written agreement and without
|
||
|
|
# license or royalty fees, to use, copy, modify, and distribute this
|
||
|
|
# software and its documentation for any purpose, provided that the
|
||
|
|
# above copyright notice and the following two paragraphs appear in
|
||
|
|
# all copies of this software.
|
||
|
|
#
|
||
|
|
# IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
|
||
|
|
# DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
|
||
|
|
# OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
|
||
|
|
# CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
#
|
||
|
|
# THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
|
||
|
|
# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
|
||
|
|
# AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
|
||
|
|
# ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
|
||
|
|
# PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
|
||
|
|
|
||
|
|
###########################################################################
|
||
|
|
#
|
||
|
|
# Add a "plused" item to an acl. Returns new acl
|
||
|
|
#
|
||
|
|
|
||
|
|
proc Acl+ {acl str} {
|
||
|
|
lappend acl [list 1 $str]
|
||
|
|
}
|
||
|
|
|
||
|
|
###########################################################################
|
||
|
|
#
|
||
|
|
# Add a "minused" item to an acl. Returns new ac
|
||
|
|
#
|
||
|
|
|
||
|
|
proc Acl- {acl str} {
|
||
|
|
lappend acl [list 0 $str]
|
||
|
|
}
|
||
|
|
|
||
|
|
###########################################################################
|
||
|
|
#
|
||
|
|
# Check if a string is "allowed" in an acl
|
||
|
|
#
|
||
|
|
|
||
|
|
proc AclCheck {acl str} {
|
||
|
|
set result 1
|
||
|
|
foreach elt $acl {
|
||
|
|
if {[string match [lindex $elt 1] $str] == 1} {
|
||
|
|
set result [lindex $elt 0]
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $result
|
||
|
|
}
|
||
|
|
|
||
|
|
|