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237 lines
7.5 KiB
237 lines
7.5 KiB
# Copyright 1999-2020 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=7
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LUA_COMPAT=( lua5-1 lua5-2 )
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inherit autotools db-use eutils systemd tmpfiles lua-single
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DESCRIPTION="A milter providing DKIM signing and verification"
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HOMEPAGE="http://opendkim.org/"
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SRC_URI="https://downloads.sourceforge.net/project/opendkim/${P}.tar.gz"
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# The GPL-2 is for the init script, bug 425960.
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LICENSE="BSD GPL-2 Sendmail-Open-Source"
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SLOT="0"
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KEYWORDS="~amd64 ~arm ~arm64 ~x86"
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IUSE="berkdb ldap libressl lmdb lua memcached opendbx poll sasl selinux +ssl static-libs stats querycache test unbound"
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BDEPEND="acct-user/opendkim
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test? ( ${LUA_DEPS} )"
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COMMON_DEPEND="|| ( mail-filter/libmilter mail-mta/sendmail )
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dev-libs/libbsd
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sys-apps/grep
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ssl? (
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!libressl? ( dev-libs/openssl:0= )
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libressl? ( dev-libs/libressl:0= )
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)
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berkdb? ( >=sys-libs/db-3.2:* )
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opendbx? ( >=dev-db/opendbx-1.4.0 )
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lua? ( ${LUA_DEPS} )
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ldap? ( net-nds/openldap )
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lmdb? ( dev-db/lmdb )
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memcached? ( dev-libs/libmemcached )
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sasl? ( dev-libs/cyrus-sasl )
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unbound? ( >=net-dns/unbound-1.4.1:= net-dns/dnssec-root )
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!unbound? ( net-libs/ldns )"
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DEPEND="${COMMON_DEPEND}"
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RDEPEND="${COMMON_DEPEND}
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acct-user/opendkim
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sys-process/psmisc
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selinux? ( sec-policy/selinux-dkim )"
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REQUIRED_USE="sasl? ( ldap )
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stats? ( opendbx )
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querycache? ( berkdb )
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lua? ( ${LUA_REQUIRED_USE} )
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test? ( ${LUA_REQUIRED_USE} )"
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RESTRICT="!test? ( test )"
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PATCHES=(
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"${FILESDIR}/${P}-openrc.patch"
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"${FILESDIR}/${P}-openssl-1.1.1.patch.r2"
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"${FILESDIR}/${P}-lua-pkgconfig.patch"
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"${FILESDIR}/${P}-lua-pkgconfig-pt2.patch"
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"${FILESDIR}/${P}-define-P-macro-in-libvbr.patch"
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"${FILESDIR}/${P}-fix-libmilter-search.patch"
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)
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src_prepare() {
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default
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sed -e 's:/var/db/dkim:/var/lib/opendkim:g' \
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-i opendkim/opendkim.conf.sample opendkim/opendkim.conf.simple.in \
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|| die
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sed -e 's:dist_doc_DATA:dist_html_DATA:' \
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-i libopendkim/docs/Makefile.am \
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|| die
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eautoreconf
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}
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src_configure() {
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local myconf=()
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if use berkdb ; then
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myconf+=( --with-db-incdir=$(db_includedir) )
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fi
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if use unbound; then
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myconf+=( --with-unbound )
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else
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myconf+=( --with-ldns )
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fi
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if use ldap; then
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myconf+=( $(use_with sasl) )
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fi
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# We install the our configuration filed under e.g. /etc/opendkim,
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# so the next line is necessary to point the daemon and all of its
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# documentation to the right location by default.
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myconf+=( --sysconfdir="${EPREFIX}/etc/${PN}" )
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econf \
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$(use_with berkdb db) \
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$(use_with opendbx odbx) \
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$(use_with lua) \
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$(use_enable lua rbl) \
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$(use_with ldap openldap) \
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$(use_with lmdb) \
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$(use_enable poll) \
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$(use_enable querycache query_cache) \
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$(use_enable static-libs static) \
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$(use_enable stats) \
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$(use_with memcached libmemcached) \
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"${myconf[@]}" \
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--enable-filter \
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--with-milter \
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--enable-atps \
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--enable-identity_header \
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--enable-rate_limit \
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--enable-resign \
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--enable-replace_rules \
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--enable-default_sender \
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--enable-sender_macro \
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--enable-vbr \
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--disable-live-testing \
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--with-test-socket="${T}/opendkim.sock"
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}
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src_compile() {
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emake runstatedir=/run
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}
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src_install() {
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default
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find "${D}" -name '*.la' -type f -delete || die
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dosbin stats/opendkim-reportstats
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newinitd "${S}/contrib/OpenRC/opendkim.openrc" "${PN}"
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systemd_newtmpfilesd "${S}/contrib/systemd/opendkim.tmpfiles" "${PN}.conf"
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systemd_newunit "contrib/systemd/opendkim.service" "${PN}.service"
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dodir /etc/opendkim
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keepdir /var/lib/opendkim
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# The OpenDKIM data (particularly, your keys) should be read-only to
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# the UserID that the daemon runs as.
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fowners root:opendkim /var/lib/opendkim
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fperms 750 /var/lib/opendkim
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# Tweak the "simple" example configuration a bit before installing
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# it unconditionally.
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local cf="${T}/opendkim.conf"
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# Some MTAs are known to break DKIM signatures with "simple"
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# canonicalization [1], so we choose the "relaxed" policy
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# over OpenDKIM's current default settings.
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# [1] https://wordtothewise.com/2016/12/dkim-canonicalization-or-why-microsoft-breaks-your-mail/
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sed -E -e 's:^(Canonicalization)[[:space:]]+.*:\1\trelaxed/relaxed:' \
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"${S}/opendkim/opendkim.conf.simple" >"${cf}" || die
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cat >>"${cf}" <<EOT || die
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# The UMask is really only used for the PID file (root:root) and the
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# local UNIX socket, if you're using one. It should be 0117 for the
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# socket.
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UMask 0117
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UserID opendkim
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# For use with unbound
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#TrustAnchorFile /etc/dnssec/root-anchors.txt
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EOT
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insinto /etc/opendkim
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doins "${cf}"
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}
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pkg_postinst() {
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tmpfiles_process "${PN}.conf"
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if [[ -z ${REPLACING_VERSION} ]]; then
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elog "If you want to sign your mail messages and need some help"
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elog "please run:"
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elog " emerge --config ${CATEGORY}/${PN}"
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elog "It will help you create your key and give you hints on how"
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elog "to configure your DNS and MTA."
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elog "If you are using a local (UNIX) socket, then you will"
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elog "need to make sure that your MTA has read/write access"
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elog "to the socket file. This is best accomplished by creating"
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elog "a completely-new group with only your MTA user and the"
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elog "\"opendkim\" user in it. Step-by-step instructions can be"
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elog "found on our Wiki, at https://wiki.gentoo.org/wiki/OpenDKIM ."
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else
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ewarn "The user account for the OpenDKIM daemon has changed"
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ewarn "from \"milter\" to \"opendkim\" to prevent unrelated services"
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ewarn "from being able to read your private keys. You should"
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ewarn "adjust your existing configuration to use the \"opendkim\""
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ewarn "user and group, and change the permissions on"
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ewarn "${ROOT}/var/lib/opendkim to root:opendkim with mode 0750."
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ewarn "The owner and group of the files within that directory"
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ewarn "will likely need to be adjusted as well."
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fi
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}
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pkg_config() {
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local selector keysize pubkey
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read -p "Enter the selector name (default ${HOSTNAME}): " selector
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[[ -n "${selector}" ]] || selector="${HOSTNAME}"
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if [[ -z "${selector}" ]]; then
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eerror "Oddly enough, you don't have a HOSTNAME."
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return 1
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fi
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if [[ -f "${ROOT}/var/lib/opendkim/${selector}.private" ]]; then
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ewarn "The private key for this selector already exists."
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else
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keysize=1024
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# Generate the private and public keys. Note that opendkim-genkeys
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# sets umask=077 on its own to keep these safe. However, we want
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# them to be readable (only!) to the opendkim user, and we manage
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# that by changing their groups and making everything group-readable.
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opendkim-genkey -b ${keysize} -D "${ROOT}/var/lib/opendkim/" \
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-s "${selector}" -d '(your domain)' && \
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chgrp --no-dereference opendkim \
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"${ROOT}/var/lib/opendkim/${selector}".{private,txt} || \
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{ eerror "Failed to create private and public keys."; return 1; }
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chmod g+r "${ROOT}/var/lib/opendkim/${selector}".{private,txt}
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fi
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# opendkim selector configuration
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echo
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einfo "Make sure you have the following settings in your /etc/opendkim/opendkim.conf:"
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einfo " Keyfile /var/lib/opendkim/${selector}.private"
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einfo " Selector ${selector}"
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# MTA configuration
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echo
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einfo "If you are using Postfix, add following lines to your main.cf:"
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einfo " smtpd_milters = unix:/run/opendkim/opendkim.sock"
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einfo " non_smtpd_milters = unix:/run/opendkim/opendkim.sock"
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einfo " and read http://www.postfix.org/MILTER_README.html"
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# DNS configuration
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einfo "After you configured your MTA, publish your key by adding this TXT record to your domain:"
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cat "${ROOT}/var/lib/opendkim/${selector}.txt"
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einfo "t=y signifies you only test the DKIM on your domain. See following page for the complete list of tags:"
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einfo " http://www.dkim.org/specs/rfc4871-dkimbase.html#key-text"
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}
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