forked from ungleich-public/cdist
Merge branch 'evilham-pf' into 'master'
[__pf*] (~) __pf_ruleset (+)__pf_apply_anchor, deprecate __pf_apply See merge request ungleich-public/cdist!867
This commit is contained in:
commit
8074f02bb3
7 changed files with 105 additions and 129 deletions
1
cdist/conf/type/__pf_apply/deprecated
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1
cdist/conf/type/__pf_apply/deprecated
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@ -0,0 +1 @@
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Consider moving to __pf_apply_anchor. Get in touch if you need __pf_apply.
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@ -1,6 +1,6 @@
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#!/bin/sh
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#!/bin/sh -e
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#
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# 2012 Jake Guffey (jake.guffey at eprotex.com)
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# 2016 Kamila Součková (coding at kamila.is)
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#
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# This file is part of cdist.
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#
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@ -18,24 +18,16 @@
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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#
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# Get the 256 bit SHA2 checksum of the pf ruleset on the target host.
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# Apply pf(4) ruleset on *BSD
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#
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# Debug
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#exec >&2
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#set -x
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ANCHORS_DIR="/etc/pf.d"
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# Check /etc/rc.conf for pf's configuration file name. Default to /etc/pf.conf
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# See if file exists and if so, get checksum
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RC="/etc/rc.conf"
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TMP="$(grep '^pf_rules=' ${RC} | cut -d= -f2 | sed 's/"//g')"
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PFCONF="${TMP:-"/etc/pf.conf"}"
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if [ -f "${PFCONF}" ]; then # The pf config file exists, find its cksum.
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cksum -o 1 "${PFCONF}" | cut -d= -f2 | awk '{print $1}'
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if [ -f "${__object}/parameter/anchor_name" ]; then
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anchor_name="$(cat "${__object}/parameter/anchor_name")"
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else
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anchor_name="${__object_id}"
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fi
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anchor_file="${ANCHORS_DIR}/${anchor_name}"
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# Debug
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#set +x
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echo "pfctl -a \"${anchor_name}\" -f \"${anchor_file}\""
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62
cdist/conf/type/__pf_apply_anchor/man.rst
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62
cdist/conf/type/__pf_apply_anchor/man.rst
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@ -0,0 +1,62 @@
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cdist-type__pf_apply_anchor(7)
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==============================
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NAME
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----
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cdist-type__pf_apply_anchor - Apply a pf(4) anchor on $__target_host
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DESCRIPTION
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-----------
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This type is used on \*BSD systems to manage anchors for the pf firewall.
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Notice this type does not take care of copying the ruleset, that must be
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done by the user with, e.g. `__file`.
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OPTIONAL PARAMETERS
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-------------------
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anchor_name
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The name of the anchor to apply. If not set, `${__object_id}` is used.
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This type requires `/etc/pf.d/${anchor_name}` to exist on
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`$__target_host`.
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EXAMPLES
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--------
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.. code-block:: sh
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# Copy anchor file to ${__target_host}
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__file "/etc/pf.d/80_dns" --source - <<EOF
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# Managed remotely, changes will be lost
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pass quick proto {tcp,udp} from any to any port domain
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EOF
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# Apply the anchor
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require="__file/etc/pf.d/80_dns" __pf_apply_anchor 80_dns
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# This is roughly equivalent to:
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# pfctl -a "${anchor_name}" -f "/etc/pf.d/${anchor_name}"
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SEE ALSO
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--------
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:strong:`pf`\ (4)
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AUTHORS
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-------
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Evilham <contact--@--evilham.com>
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Kamila Součková <coding--@--kamila.is>
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Jake Guffey <jake.guffey--@--eprotex.com>
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COPYING
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-------
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Copyright \(C) 2020 Evilham.
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Copyright \(C) 2016 Kamila Součková.
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Copyright \(C) 2012 Jake Guffey. You can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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1
cdist/conf/type/__pf_apply_anchor/parameter/optional
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1
cdist/conf/type/__pf_apply_anchor/parameter/optional
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@ -0,0 +1 @@
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anchor_name
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@ -1,81 +0,0 @@
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#!/bin/sh -e
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#
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# 2012 Jake Guffey (jake.guffey at eprotex.com)
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#
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# This file is part of cdist.
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#
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# cdist is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# cdist is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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#
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# Manage pf(4) on *BSD
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#
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# Debug
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#exec >&2
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#set -x
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# Send files to $__target_host via $__remote_copy
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uname=$(uname) # Need to know what the cdist host is running so we know how to compute the ruleset's checksum
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state=$(cat "$__object/parameter/state")
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if [ "$state" = "absent" ]; then # There is nothing more for a *local* script to do
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exit 0
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fi
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if [ -f "$__object/parameter/source" ]; then
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source=$(cat "$__object/parameter/source")
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fi
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rcvar=$(cat "$__object/explorer/rcvar")
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cksum=$(cat "$__object/explorer/cksum")
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cat <<EOF
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case $uname in
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Darwin)
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currentSum=\$(cksum -o 1 ${source} | cut '-d ' -f1)
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;;
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Linux)
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currentSum=\$(cksum ${source} | cut '-d ' -f1)
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;;
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FreeBSD)
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currentSum=\$(cksum -o 1 ${source} | cut -d= -f2 | sed 's/ //g')
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;;
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*)
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echo "Sorry, I do not know how to find a cksum on ${uname}." >&2
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exit 1
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;;
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esac
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# IPv6 fix
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if $(echo "${__target_host}" | grep -q -E '^[0-9a-fA-F:]+$')
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then
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my_target_host="[${__target_host}]"
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else
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my_target_host="${__target_host}"
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fi
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if [ -n "${cksum}" ]; then
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if [ ! "\${currentSum}" = "${cksum}" ]; then
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$__remote_copy "${source}" "\${my_target_host}:${rcvar}.new"
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fi
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else # File just doesn't exist yet
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$__remote_copy "${source}" "\${my_target_host}:${rcvar}.new"
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fi
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EOF
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# Debug
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#exec +x
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@ -10,6 +10,9 @@ DESCRIPTION
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-----------
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This type is used on \*BSD systems to manage the pf firewall's ruleset.
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It will also enable and disable the pf firewall as requested in the `state`
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parameter.
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REQUIRED PARAMETERS
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-------------------
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@ -20,9 +23,8 @@ state
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OPTIONAL PARAMETERS
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-------------------
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source
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If supplied, use to define the ruleset to load onto the $__target_host for pf(4).
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Note that this type is almost useless without a ruleset defined, but it's technically not
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needed, e.g. for the case of disabling the firewall temporarily.
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Required when state is "present".
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Defines the ruleset to load onto the $__target_host for `pf(4)`.
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EXAMPLES
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@ -30,10 +32,10 @@ EXAMPLES
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.. code-block:: sh
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# Remove the current ruleset in place
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# Remove the current ruleset in place and disable pf
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__pf_ruleset --state absent
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# Enable the firewall with the ruleset defined in $__manifest/files/pf.conf
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# Enable pf with the ruleset defined in $__manifest/files/pf.conf
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__pf_ruleset --state present --source $__manifest/files/pf.conf
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@ -44,11 +46,13 @@ SEE ALSO
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AUTHORS
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-------
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Kamila Součková <coding--@--kamila.is>
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Jake Guffey <jake.guffey--@--eprotex.com>
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COPYING
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-------
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Copyright \(C) 2016 Kamila Součková.
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Copyright \(C) 2012 Jake Guffey. You can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of the
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@ -1,6 +1,6 @@
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#!/bin/sh -e
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#
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# 2012 Jake Guffey (jake.guffey at eprotex.com)
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# 2016 Kamila Součková (coding at kamila.is)
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#
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# This file is part of cdist.
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#
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@ -21,29 +21,26 @@
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# Manage pf(4) on *BSD
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#
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# Debug
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#exec >&2
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#set -x
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# Remove ${rcvar} in the case of --state absent
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state=$(cat "$__object/parameter/state")
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rcvar=$(cat "$__object/explorer/rcvar")
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if [ "$state" = "present" ]; then # There is nothing more for a *remote* script to do
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exit 0
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elif [ "$state" = "absent" ]; then
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# --state absent, so ensure that .new doesn't exist and that conf is renamed to .old
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cat <<EOF
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if [ -f "${rcvar}.new" ]; then
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rm "${rcvar}.new"
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rcvar="$(cat "${__object}/explorer/rcvar")"
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state="$(cat "${__object}/parameter/state")"
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if [ -f "${__object}/parameter/source" ]; then
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source="$(cat "${__object}/parameter/source")"
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fi
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if [ -f "${rcvar}" ]; then
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mv "${rcvar}" "${rcvar}.old"
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fi
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EOF
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if [ "${state}" = "absent" ]; then
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action="/etc/rc.d/pf stop"
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else
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echo "Unknown state ${state}!" >&2
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exit 1
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action="/etc/rc.d/pf reload || /etc/rc.d/pf start"
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fi
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__key_value __pf_ruleset/rcvar \
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--state "${state}" \
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--file /etc/rc.conf \
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--delimiter "=" \
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--key "pf_enable" \
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--value "YES"
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require="__key_value/__pf_ruleset/rcvar" __config_file "${rcvar}" \
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--source "${source}" \
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--state "${state}" \
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--onchange "${action}"
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