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AVAHIFILE=/etc/avahi/services/squid-deb-proxy.service
concat_file_from_dir() {
# the .d directory
DIR="$1"
# the target file
FILE="$2"
# (optional) additional file append to $FILE
ADDITIONAL_FILE_TO_CAT="$3"
cat > $FILE <<EOF
# WARNING: this file is auto-generated from the files in
# $DIR
# on squid-deb-proxy (re)start, do NOT edit here
EOF
if [ -n "$ADDITIONAL_FILE_TO_CAT" ]; then
cat "$ADDITIONAL_FILE_TO_CAT" >> "$FILE"
fi
for f in "$DIR"/*; do
cat "$f" >> "$FILE"
done
}
pre_start() {
if [ -x /usr/sbin/squid ]; then
SQUID=/usr/sbin/squid
else
echo "No squid binary found"
exit 1
fi
# ensure all cache dirs are there
install -d -o proxy -g proxy -m 750 /var/cache/squid-deb-proxy/
install -d -o proxy -g proxy -m 750 /var/log/squid-deb-proxy/
if [ ! -d /var/cache/squid-deb-proxy/00 ]; then
$SQUID -z -N -f /etc/squid-deb-proxy/squid-deb-proxy.conf
fi
# generate pkg blacklist acl file
PKG_BLACKLIST_DIR=/etc/squid-deb-proxy/pkg-blacklist.d
PKG_BLACKLIST=/etc/squid-deb-proxy/autogenerated/pkg-blacklist-regexp.acl
concat_file_from_dir "$PKG_BLACKLIST_DIR" "$PKG_BLACKLIST"
# postprocess for regexp format
sed -i -r '/^#/d;/^$/d;s#(.*)#\/\1_.*\.deb$#g' $PKG_BLACKLIST
# generate mirror file
MIRROR_DESTDOMAIN_DIR=/etc/squid-deb-proxy/mirror-dstdomain.acl.d
MIRROR_DESTDOMAIN=/etc/squid-deb-proxy/autogenerated/mirror-dstdomain.acl
concat_file_from_dir "$MIRROR_DESTDOMAIN_DIR" "$MIRROR_DESTDOMAIN" "/etc/squid-deb-proxy/mirror-dstdomain.acl"
# generate the allowed-networks file
ALLOWED_NETWORKS_DIR=/etc/squid-deb-proxy/allowed-networks-src.acl.d
ALLOWED_NETWORKS=/etc/squid-deb-proxy/autogenerated/allowed-networks-src.acl
concat_file_from_dir "$ALLOWED_NETWORKS_DIR" "$ALLOWED_NETWORKS" "/etc/squid-deb-proxy/allowed-networks-src.acl"
}
post_start() {
# create avahi service
PORT=$(grep http_port /etc/squid-deb-proxy/squid-deb-proxy.conf|cut -d' ' -f2)
if [ -n "$PORT" ] && [ -d /etc/avahi/services/ ]; then
(umask 022 && cat > $AVAHIFILE << EOF
<?xml version="1.0" standalone='no'?>
<!DOCTYPE service-group SYSTEM "avahi-service.dtd">
<service-group>
<name replace-wildcards="yes">Squid deb proxy on %h</name>
<service protocol="ipv6">
<type>_apt_proxy._tcp</type>
<port>$PORT</port>
</service>
<service protocol="ipv4">
<type>_apt_proxy._tcp</type>
<port>$PORT</port>
</service>
</service-group>
EOF
)
fi
}
post_stop() {
# remove avahi file again
rm -f $AVAHIFILE
}
# from the squid debian init script
find_cache_dir () {
w=" " # space tab
res=`sed -ne '
s/^'$1'['"$w"']\+[^'"$w"']\+['"$w"']\+\([^'"$w"']\+\).*$/\1/p;
t end;
d;
:end q' < $CONFIG`
[ -n "$res" ] || res=$2
echo "$res"
}
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