core-agent-linux/network/update-proxy-configs
Jonas DOREL 281d1a5776
Mention Update Proxy in configuration
This makes it easier to understand why this configuration is present.
2019-12-01 13:41:54 +01:00

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4.7 KiB
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#!/bin/bash
#
# The Qubes OS Project, http://www.qubes-os.org
#
# Copyright (C) 2015 Marek Marczykowski-Górecki
# <marmarek@invisiblethingslab.com>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
#
# Source Qubes library.
# shellcheck source=init/functions
. /usr/lib/qubes/init/functions
BEGIN_MARKER="### QUBES BEGIN ###"
END_MARKER="### QUBES END ###"
set -e
### helper functions begin ###
# set proxy in given config file
update_conf() {
local CONF_PATH="$1"
local CONF_OPTIONS="$2"
# Ensure that Qubes conf markers are present in the file
if ! grep -q "$BEGIN_MARKER" "$CONF_PATH"; then
if grep -q "$END_MARKER" "$CONF_PATH"; then
echo "ERROR: found QUBES END marker but not QUBES BEGIN in ${CONF_PATH}" >&2
echo "Fix the file by either removing both of them, or adding missing back and retry" >&2
exit 1
fi
cp "$CONF_PATH" "${CONF_PATH}.qubes-orig"
echo "$BEGIN_MARKER" >> "$CONF_PATH"
echo "$END_MARKER" >> "$CONF_PATH"
elif ! grep -q "$END_MARKER" "$CONF_PATH"; then
echo "ERROR: found QUBES BEGIN marker but not QUBES END in ${CONF_PATH}" >&2
echo "Fix the file by either removing both of them, or adding missing back and retry" >&2
exit 1
fi
# Prepare config block
local tmpfile
tmpfile=$(mktemp)
cat > "${tmpfile}" <<EOF
# This part of configuration, until QUBES END, is automatically generated by
# $0. All changes here will be overriden.
# If you want to override any option set here, set it again to desired value,
# below this section
$CONF_OPTIONS
EOF
# And insert it between the markers
sed -i -e "/^$BEGIN_MARKER$/,/^$END_MARKER$/{
/^$END_MARKER$/b
/^$BEGIN_MARKER$/!d
r ${tmpfile}
}" "${CONF_PATH}"
rm -f "${tmpfile}"
}
### helper functions end
# Determine whether the proxy should be used
if qsvc yum-proxy-setup || qsvc updates-proxy-setup ; then
PROXY_ADDR="http://127.0.0.1:8082/"
PROXY_CONF_ENTRY="proxy=$PROXY_ADDR"
else
PROXY_ADDR=""
# do not proxy at all (for example dnf.conf doesn't tolerate empty entry)
PROXY_CONF_ENTRY=""
fi
# For programs supporting .d style configs, it's simple
if [ -d /etc/apt/apt.conf.d ]; then
if [ -n "$PROXY_ADDR" ]; then
cat > /etc/apt/apt.conf.d/01qubes-proxy <<EOF
### This file is automatically generated by Qubes ($0 script).
### All modifications here will be lost.
### If you want to override some of this settings, create another file under
### /etc/apt/apt.conf.d.
# Use Qubes Update Proxy
Acquire::http::Proxy "$PROXY_ADDR";
Acquire::tor::proxy "$PROXY_ADDR";
EOF
else
rm -f /etc/apt/apt.conf.d/01qubes-proxy
fi
fi
# Yum at least supports including an individual config files
if [ -d /etc/yum.conf.d ]; then
cat > /etc/yum.conf.d/qubes-proxy.conf <<EOF
### This file is automatically generated by Qubes ($0 script).
### All modifications here will be lost.
### If you want to override some of this settings, add them in /etc/yum.conf
### below a "include=/etc/yum.conf.d/qubes-proxy.conf" line.
$PROXY_CONF_ENTRY
EOF
fi
# Pacman (archlinux) also
if [ -d /etc/pacman.d ]; then
if [ -n "$PROXY_ADDR" ]; then
cat > /etc/pacman.d/01-qubes-proxy.conf <<EOF
### This file is automatically generated by Qubes ($0 script).
### All modifications here will be lost.
### If you want to override some of this settings, create another file under
### /etc/pacman.d
[options]
# Use Qubes Update Proxy
XferCommand = /usr/bin/env ALL_PROXY=$PROXY_ADDR /usr/bin/curl -C - -f -o %o %u
EOF
else
rm -r /etc/pacman.d/01-qubes-proxy.conf
fi
fi
# DNF configuration doesn't support including other files
# https://bugzilla.redhat.com/show_bug.cgi?id=1352234
if [ -e /etc/dnf/dnf.conf ]; then
update_conf /etc/dnf/dnf.conf "$PROXY_CONF_ENTRY"
fi
# The same goes for PackageKit...
# https://bugs.freedesktop.org/show_bug.cgi?id=96788
if [ -e /etc/PackageKit/PackageKit.conf ]; then
update_conf /etc/PackageKit/PackageKit.conf "ProxyHTTP=$PROXY_ADDR"
fi