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#!/bin/mkpkg
# description: Validating, recursive, caching DNS resolver with DNSSEC support
# url: https://nlnetlabs.nl/projects/unbound/about/
name=unbound
version=1.26.1
release=1
depends=(libressl expat)
makedeps=(flex bison)
groups=(unbound:user:unbound:/var/lib/unbound:750:904:904)
services=(unbound)
permissions=(
/usr/bin/unbound:root:unbound:750
/usr/bin/unbound-anchor:root:unbound:4750
/usr/bin/unbound-checkconf:root:unbound:750
/usr/bin/unbound-control:root:unbound:750
/usr/bin/unbound-host:root:unbound:750
/etc/unbound/unbound.conf:root:unbound:640
)
source=(https://nlnetlabs.nl/downloads/unbound/$name-$version.tar.gz)
sha256sums=(
"35a6dc0e425a9282c3426d9a3043144011bf0534aed4b73ab62c52aee0af1503"
)
build() {
cd $name-$version
./configure \
--prefix=/usr \
--sysconfdir=/etc \
--localstatedir=/var \
--sbindir=/usr/bin \
--disable-rpath \
--disable-shared \
--enable-pie \
--enable-relro-now \
--enable-tfo-client \
--enable-tfo-server \
--enable-aggressive-nsec \
--with-ssl=/ \
--with-conf-file=/etc/unbound/unbound.conf \
--with-pidfile=/run/unbound/unbound.pid \
--with-chroot-dir=/var/lib/unbound \
--with-username=unbound \
--with-rootkey-file=/var/lib/unbound/root.key \
--with-libevent=no \
--without-pyunbound \
--without-pythonmodule \
--disable-flto
make
make DESTDIR=$PKG install
# Remove docs and static lib noise
rm -rf $PKG/usr/share/doc
rm -f $PKG/usr/lib/libunbound.la
# Config directory
install -d -m 750 $PKG/etc/unbound
# Hardened default config
printf '%s\n' \
'server:' \
' # Network' \
' interface: 127.0.0.1' \
' port: 53' \
' do-ip4: yes' \
' do-ip6: no' \
' do-udp: yes' \
' do-tcp: yes' \
'' \
' # Access control' \
' access-control: 127.0.0.0/8 allow' \
' access-control: 0.0.0.0/0 refuse' \
'' \
' # Privilege separation' \
' username: "unbound"' \
' directory: "/var/lib/unbound"' \
' chroot: "/var/lib/unbound"' \
' pidfile: "/run/unbound/unbound.pid"' \
'' \
' # DNSSEC validation' \
' auto-trust-anchor-file: "/var/lib/unbound/root.key"' \
' val-clean-additional: yes' \
'' \
' # Hardening' \
' hide-identity: yes' \
' hide-version: yes' \
' harden-glue: yes' \
' harden-dnssec-stripped: yes' \
' harden-referral-path: yes' \
' harden-algo-downgrade: yes' \
' harden-below-nxdomain: yes' \
' harden-large-queries: yes' \
' harden-short-bufsize: yes' \
' use-caps-for-id: yes' \
' qname-minimisation: yes' \
' aggressive-nsec: yes' \
'' \
' # Privacy' \
' minimal-responses: yes' \
' rrset-roundrobin: yes' \
'' \
' # Resource limits' \
' num-threads: 1' \
' msg-cache-size: 8m' \
' rrset-cache-size: 16m' \
' key-cache-size: 8m' \
' neg-cache-size: 4m' \
' unwanted-reply-threshold: 10000' \
'' \
' # Logging (minimal)' \
' verbosity: 1' \
' use-syslog: no' \
' logfile: ""' \
' log-queries: no' \
' log-replies: no' \
' log-servfail: yes' \
> $PKG/etc/unbound/unbound.conf
# chroot bind-mount targets
install -d -m 750 $PKG/var/lib/unbound
}
post_build() {
# runit service
install -d $PKG/etc/sv/unbound/log
printf '%s\n' \
'#!/bin/sh' \
'exec 2>&1' \
'' \
'# Prepare runtime directories' \
'install -d -m 750 -o unbound -g unbound /run/unbound' \
'install -d -m 750 -o unbound -g unbound /var/lib/unbound' \
'' \
'# Copy TLS certs into chroot for DNSSEC anchor fetch' \
'install -d -m 755 /var/lib/unbound/etc/ssl' \
'cp /etc/ssl/cert.pem /var/lib/unbound/etc/ssl/ 2>/dev/null || true' \
'' \
'# Fetch/update DNSSEC root trust anchor' \
'# unbound-anchor returns 1 if the anchor was updated (not an error)' \
'unbound-anchor -a /var/lib/unbound/root.key || true' \
'chown unbound:unbound /var/lib/unbound/root.key' \
'' \
'# Validate config before starting' \
'unbound-checkconf /etc/unbound/unbound.conf || exit 1' \
'' \
'# Start unbound in foreground (-d) without forking (-v for stderr)' \
'exec unbound -d -c /etc/unbound/unbound.conf' \
> $PKG/etc/sv/unbound/run
printf '%s\n' \
'#!/bin/sh' \
'rm -rf /run/unbound' \
> $PKG/etc/sv/unbound/finish
printf '%s\n' \
'#!/bin/sh' \
'mkdir -p /var/log/unbound' \
'exec svlogd -tt /var/log/unbound' \
> $PKG/etc/sv/unbound/log/run
chmod 755 $PKG/etc/sv/unbound/run
chmod 755 $PKG/etc/sv/unbound/finish
chmod 755 $PKG/etc/sv/unbound/log/run
}
signify() {
untrusted comment: public key
RWTZ9IduCSQ/mL8337TEUinPwT92xFEUpD92hkS7IxcOnzTt9QdpohT3
}
# vim: filetype=sh
|
