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139 lines
4.4 KiB
Bash
139 lines
4.4 KiB
Bash
#!/bin/sh
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#
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# Copyright (c) 2004 Tom Rhodes
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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####
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# Sample startup policy for the mac_bsdextended(4) security module.
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#
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# Suck in the system configuration variables.
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####
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if [ -z "${source_rc_confs_defined}" ]; then
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if [ -r /etc/defaults/rc.conf ]; then
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. /etc/defaults/rc.conf
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source_rc_confs
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elif [ -r /etc/rc.conf ]; then
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. /etc/rc.conf
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fi
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fi
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####
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# Set ugidfw(8) to CMD:
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####
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CMD=/usr/sbin/ugidfw
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####
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# WARNING: recommended reading is the handbook's MAC
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# chapter and the ugidfw(8) manual page. You can
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# lock yourself out of the system very quickly by setting
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# incorrect values here. These are only examples.
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####
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####
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# Build a generic list of rules here, these should be
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# modified before using this script.
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#
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# For apache to read user files, the ruleadd must give
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# it permissions by default.
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####
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#${CMD} add subject uid 80 object not uid 80 mode rxws;
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#${CMD} add subject gid 80 object not gid 80 mode rxws;
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####
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# majordomo compat:
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#${CMD} add subject uid 54 object not uid 54 mode rxws;
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#${CMD} add subject gid 26 object gid 54 mode rxws;
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####
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# This is for root:
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${CMD} add subject uid 0 object not uid 0 mode arxws;
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${CMD} add subject gid 0 object not gid 0 mode arxws;
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####
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# And for majordomo:
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#${CMD} add subject uid 54 object not uid 54 mode rxws;
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#${CMD} add subject gid 54 object not gid 54 mode rxws;
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####
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# And for bin:
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${CMD} add subject uid 3 object not uid 3 mode rxws;
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${CMD} add subject gid 7 object not gid 7 mode rxws;
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####
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# And for mail/pop:
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#${CMD} add subject uid 68 object not uid 68 mode rxws;
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#${CMD} add subject gid 6 object not gid 6 mode arxws;
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####
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# And for smmsp:
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${CMD} add subject uid 25 object not uid 25 mode rxws;
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${CMD} add subject gid 25 object not gid 25 mode rxws;
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####
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# And for mailnull:
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${CMD} add subject uid 26 object not uid 26 mode rxws;
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${CMD} add subject gid 26 object not gid 26 mode rxws;
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####
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# For cyrus:
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#${CMD} add subject uid 60 object not uid 60 mode rxws;
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#${CMD} add subject gid 60 object not gid 60 mode rxws;
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####
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# For stunnel:
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#${CMD} add subject uid 1018 object not uid 1018 mode rxws;
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#${CMD} add subject gid 1018 object not gid 1018 mode rxws;
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####
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# For the nobody account:
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${CMD} add subject uid 65534 object not uid 65534 mode rxws;
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${CMD} add subject gid 65534 object not gid 65534 mode rxws;
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####
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# NOTICE: The next script adds a rule to allow
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# access their mailbox which is owned by GID `6'.
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# Removing this will give mailbox lock issues.
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for x in `awk -F: '($3 >= 1001) && ($3 != 65534) { print $1 }' /etc/passwd`;
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do ${CMD} add subject uid $x object gid 6 mode arwxs;
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done;
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####
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# Use some script to get a list of users and
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# add all users to mode n for all other users. This
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# will isolate all users from other user home directories while
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# permitting them to use commands and browse the system.
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for x in `awk -F: '($3 >= 1001) && ($3 != 65534) { print $1 }' /etc/passwd`;
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do ${CMD} add subject not uid $x object uid $x mode n;
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done;
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###
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# Do the same thing but only for group ids in place of
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# user IDs.
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for x in `awk -F: '($3 >= 1001) && ($3 != 65534) { print $3 }' /etc/passwd`;
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do ${CMD} add subject not gid $x object uid $x mode n;
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done;
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