# Copyright 1999-2021 Gentoo Authors # Distributed under the terms of the GNU General Public License v2 # @ECLASS: qmail.eclass # @MAINTAINER: # Rolf Eike Beer # @SUPPORTED_EAPIS: 6 7 # @BLURB: common qmail functions case ${EAPI:-0} in [67]) ;; *) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;; esac if [[ -z ${_QMAIL_ECLASS} ]] ; then _QMAIL_ECLASS=1 inherit flag-o-matic toolchain-funcs fixheadtails # hardcoded paths QMAIL_HOME="/var/qmail" TCPRULES_DIR="/etc/tcprules.d" SUPERVISE_DIR="/var/qmail/supervise" # source files and directories GENQMAIL_F=genqmail-${GENQMAIL_PV}.tar.bz2 GENQMAIL_S="${WORKDIR}"/genqmail-${GENQMAIL_PV} QMAIL_SPP_F=qmail-spp-${QMAIL_SPP_PV}.tar.gz QMAIL_SPP_S="${WORKDIR}"/qmail-spp-${QMAIL_SPP_PV} # @FUNCTION: primes # @USAGE: # @DESCRIPTION: # Prints a list of primes between min and max inclusive # Note: this functions gets very slow when used with large numbers. primes() { local min=${1} max=${2} local result= primelist=2 i p [[ ${min} -le 2 ]] && result="${result} 2" for ((i = 3; i <= max; i += 2)) do for p in ${primelist} do [[ $[i % p] == 0 || $[p * p] -gt ${i} ]] && \ break done if [[ $[i % p] != 0 ]] then primelist="${primelist} ${i}" [[ ${i} -ge ${min} ]] && \ result="${result} ${i}" fi done echo ${result} } # @FUNCTION: is_prima # @USAGE: # @DESCRIPTION: # Checks wether a number is a prime number is_prime() { local number=${1} i for i in $(primes ${number} ${number}) do [[ ${i} == ${number} ]] && return 0 done return 1 } dospp() { insinto "${QMAIL_HOME}"/plugins/ insopts -o root -g "${GROUP_ROOT}" -m 0755 newins $1 ${2:-$(basename $1)} } # @FUNCTION: dosupervise # @USAGE: [ ] # @DESCRIPTION: # Install runfiles for services and logging to supervise directory dosupervise() { local service=$1 local runfile=${2:-${service}} logfile=${3:-${service}-log} [[ -z "${service}" ]] && die "no service given" insopts -o root -g "${GROUP_ROOT}" -m 0755 diropts -o root -g "${GROUP_ROOT}" -m 0755 dodir ${SUPERVISE_DIR}/${service}{,/log} fperms +t ${SUPERVISE_DIR}/${service}{,/log} insinto ${SUPERVISE_DIR}/${service} newins ${runfile} run insinto ${SUPERVISE_DIR}/${service}/log newins ${logfile} run } # @FUNCTION: qmail_set_cc # @DESCRIPTION: # The following commands patch the conf-{cc,ld} files to use the user's # specified CFLAGS and LDFLAGS. These rather complex commands are needed # because a user supplied patch might apply changes to these files, too. # See bug #165981. qmail_set_cc() { local cc=$(head -n 1 ./conf-cc | sed -e "s#^g\?cc\s\+\(-O2\)\?#$(tc-getCC) #") local ld=$(head -n 1 ./conf-ld | sed -e "s#^g\?cc\s\+\(-s\)\?#$(tc-getCC) #") echo "${cc} ${CFLAGS} ${CPPFLAGS}" > ./conf-cc || die 'Patching conf-cc failed.' echo "${ld} ${LDFLAGS}" > ./conf-ld || die 'Patching conf-ld failed.' sed -e "s#'ar #'$(tc-getAR) #" -e "s#'ranlib #'$(tc-getRANLIB) #" -i make-makelib.sh } genqmail_src_unpack() { cd "${WORKDIR}" [[ -n ${GENQMAIL_PV} ]] && unpack "${GENQMAIL_F}" } qmail_spp_src_unpack() { cd "${WORKDIR}" [[ -n ${QMAIL_SPP_PV} ]] && unpack "${QMAIL_SPP_F}" } # @FUNCTION: qmail_src_postunpack # @DESCRIPTION: # Unpack common config files, and set built configuration (CFLAGS, LDFLAGS, etc) qmail_src_postunpack() { cd "${S}" qmail_set_cc mysplit=${QMAIL_CONF_SPLIT:-23} is_prime ${mysplit} || die "QMAIL_CONF_SPLIT is not a prime number." einfo "Using conf-split value of ${mysplit}." echo -n ${mysplit} > "${S}"/conf-split } qmail_src_compile() { cd "${S}" emake it man "$@" || die "make failed" } qmail_spp_src_compile() { cd "${GENQMAIL_S}"/spp/ emake || die "make spp failed" } qmail_base_install() { einfo "Setting up basic directory hierarchy" diropts -o root -g qmail -m 755 keepdir "${QMAIL_HOME}"/{,bin,control} keepdir "${QMAIL_HOME}"/users diropts -o alias -g qmail -m 755 keepdir "${QMAIL_HOME}"/alias einfo "Adding env.d entry for qmail" doenvd "${GENQMAIL_S}"/conf/99qmail einfo "Installing all qmail software" insinto "${QMAIL_HOME}"/bin insopts -o root -g qmail -m 755 doins bouncesaying condredirect config-fast datemail except forward maildir2mbox \ maildirmake mailsubj predate preline qbiff \ qmail-{inject,qmqpc,qmqpd,qmtpd,qread,qstat,smtpd,tcpok,tcpto,showctl} \ qreceipt sendmail tcp-env # obsolete tools, install if they are still present for i in elq maildirwatch pinq qail qsmhook; do [[ -x ${i} ]] && doins ${i} done use pop3 && doins qmail-pop3d insopts -o root -g qmail -m 711 doins qmail-{clean,getpw,local,pw2u,remote,rspawn,send} splogger use pop3 && doins qmail-popup insopts -o root -g qmail -m 700 doins qmail-{lspawn,newmrh,newu,start} insopts -o qmailq -g qmail -m 4711 doins qmail-queue declare -F qmail_base_install_hook >/dev/null && \ qmail_base_install_hook } qmail_config_install() { einfo "Installing stock configuration files" insinto "${QMAIL_HOME}"/control insopts -o root -g "${GROUP_ROOT}" -m 644 doins "${GENQMAIL_S}"/control/{conf-*,defaultdelivery} einfo "Installing configuration sanity checker and launcher" insinto "${QMAIL_HOME}"/bin insopts -o root -g "${GROUP_ROOT}" -m 644 doins "${GENQMAIL_S}"/control/qmail-config-system declare -F qmail_config_install_hook >/dev/null && \ qmail_config_install_hook } qmail_man_install() { einfo "Installing manpages and documentation" into /usr doman *.[1578] dodoc BLURB* INSTALL* PIC* README* REMOVE* \ SENDMAIL* TEST* THANKS* VERSION* # notqmail converted the files to markdown if [ -f CHANGES ]; then dodoc CHANGES FAQ SECURITY THOUGHTS UPGRADE else dodoc CHANGES.md FAQ.md SECURITY.md THOUGHTS.md UPGRADE.md fi declare -F qmail_man_install_hook >/dev/null && \ qmail_man_install_hook } qmail_sendmail_install() { einfo "Installing sendmail replacement" diropts -m 755 dodir /usr/sbin /usr/lib dosym "${QMAIL_HOME}"/bin/sendmail /usr/sbin/sendmail dosym "${QMAIL_HOME}"/bin/sendmail /usr/lib/sendmail declare -F qmail_sendmail_install_hook >/dev/null && \ qmail_sendmail_install_hook } qmail_maildir_install() { # use the correct maildirmake # the courier-imap one has some extensions that are nicer MAILDIRMAKE="${D}${QMAIL_HOME}/bin/maildirmake" [[ -e /usr/bin/maildirmake ]] && \ MAILDIRMAKE="/usr/bin/maildirmake" einfo "Setting up the default aliases" diropts -o alias -g qmail -m 700 "${MAILDIRMAKE}" "${D}${QMAIL_HOME}"/alias/.maildir keepdir "${QMAIL_HOME}"/alias/.maildir/{cur,new,tmp} for i in "${QMAIL_HOME}"/alias/.qmail-{mailer-daemon,postmaster,root}; do if [[ ! -f "${ROOT}${i}" ]]; then touch "${D}${i}" fowners alias:qmail "${i}" fi done einfo "Setting up default maildirs in the account skeleton" diropts -o root -g "${GROUP_ROOT}" -m 755 insinto /etc/skel insopts -o root -g "${GROUP_ROOT}" -m 644 newins "${GENQMAIL_S}"/control/defaultdelivery .qmail.sample "${MAILDIRMAKE}" "${D}"/etc/skel/.maildir keepdir /etc/skel/.maildir/{cur,new,tmp} declare -F qmail_maildir_install_hook >/dev/null && \ qmail_maildir_install_hook } qmail_tcprules_install() { dodir "${TCPRULES_DIR}" insinto "${TCPRULES_DIR}" insopts -o root -g "${GROUP_ROOT}" -m 0644 doins "${GENQMAIL_S}"/tcprules/Makefile.qmail doins "${GENQMAIL_S}"/tcprules/tcp.qmail-* use ssl && use pop3 || rm -f "${D}${TCPRULES_DIR}"/tcp.qmail-pop3sd } qmail_supervise_install_one() { dosupervise ${1} diropts -o qmaill -g "${GROUP_ROOT}" -m 755 keepdir /var/log/qmail/${1} } qmail_supervise_install() { einfo "Installing supervise scripts" cd "${GENQMAIL_S}"/supervise for i in qmail-{send,smtpd,qmtpd,qmqpd}; do qmail_supervise_install_one ${i} done if use pop3; then qmail_supervise_install_one qmail-pop3d use ssl && qmail_supervise_install_one qmail-pop3sd fi declare -F qmail_supervise_install_hook >/dev/null && \ qmail_supervise_install_hook } qmail_spp_install() { einfo "Installing qmail-spp configuration files" insinto "${QMAIL_HOME}"/control/ insopts -o root -g "${GROUP_ROOT}" -m 0644 doins "${GENQMAIL_S}"/spp/smtpplugins einfo "Installing qmail-spp plugins" keepdir "${QMAIL_HOME}"/plugins/ for i in authlog mfdnscheck ifauthnext tarpit; do dospp "${GENQMAIL_S}"/spp/${i} done declare -F qmail_spp_install_hook >/dev/null && \ qmail_spp_install_hook } qmail_ssl_install() { use gencertdaily && \ CRON_FOLDER=cron.daily || \ CRON_FOLDER=cron.hourly einfo "Installing SSL Certificate creation script" insinto "${QMAIL_HOME}"/control insopts -o root -g "${GROUP_ROOT}" -m 0644 doins "${GENQMAIL_S}"/ssl/servercert.cnf insinto "${QMAIL_HOME}"/bin insopts -o root -g "${GROUP_ROOT}" -m 0755 doins "${GENQMAIL_S}"/ssl/mkservercert einfo "Installing RSA key generation cronjob" insinto /etc/${CRON_FOLDER} insopts -o root -g "${GROUP_ROOT}" -m 0755 doins "${GENQMAIL_S}"/ssl/qmail-genrsacert.sh keepdir "${QMAIL_HOME}"/control/tlshosts declare -F qmail_ssl_install_hook >/dev/null && \ qmail_ssl_install_hook } qmail_src_install() { export GROUP_ROOT="$(id -gn root)" qmail_base_install qmail_config_install qmail_man_install qmail_sendmail_install qmail_maildir_install qmail_tcprules_install qmail_supervise_install use qmail-spp && qmail_spp_install use ssl && qmail_ssl_install } qmail_queue_setup() { if use highvolume; then myconf="--bigtodo" else myconf="--no-bigtodo" fi mysplit=${QMAIL_CONF_SPLIT:-23} is_prime ${mysplit} || die "QMAIL_CONF_SPLIT is not a prime number." einfo "Setting up the message queue hierarchy" /usr/bin/queue-repair.py --create ${myconf} \ --split ${mysplit} \ "${ROOT}${QMAIL_HOME}" >/dev/null || \ die 'queue-repair failed' } qmail_rootmail_fixup() { local TMPCMD="ln -sf ${QMAIL_HOME}/alias/.maildir/ ${ROOT}/root/.maildir" if [[ -d "${ROOT}"/root/.maildir && ! -L "${ROOT}"/root/.maildir ]] ; then elog "Previously the qmail ebuilds created /root/.maildir/ but not" elog "every mail was delivered there. If the directory does not" elog "contain any mail, please delete it and run:" elog "${TMPCMD}" else ${TMPCMD} fi chown -R alias:qmail "${ROOT}${QMAIL_HOME}"/alias/.maildir 2>/dev/null } qmail_tcprules_fixup() { mkdir -p "${TCPRULES_DIR}" local POP_FILES= use pop3 && POP_FILES="pop3 pop3.cdb" for f in {smtp,qmtp,qmqp}{,.cdb} ${POP_FILES}; do old="/etc/tcp.${f}" new="${TCPRULES_DIR}/tcp.qmail-${f}" fail=0 if [[ -f "${old}" && ! -f "${new}" ]]; then einfo "Moving ${old} to ${new}" cp "${old}" "${new}" || fail=1 else fail=1 fi if [[ "${fail}" = 1 && -f "${old}" ]]; then eerror "Error moving ${old} to ${new}, be sure to check the" eerror "configuration! You may have already moved the files," eerror "in which case you can delete ${old}" fi done } qmail_tcprules_build() { for f in tcp.qmail-{smtp,qmtp,qmqp,pop3,pop3s}; do # please note that we don't check if it exists # as we want it to make the cdb files anyway! src="${ROOT}${TCPRULES_DIR}/${f}" cdb="${ROOT}${TCPRULES_DIR}/${f}.cdb" tmp="${ROOT}${TCPRULES_DIR}/.${f}.tmp" [[ -e "${src}" ]] && tcprules "${cdb}" "${tmp}" < "${src}" done } qmail_config_notice() { elog elog "To setup ${PN} to run out-of-the-box on your system, run:" elog "emerge --config =${CATEGORY}/${PF}" } qmail_supervise_config_notice() { elog elog "To start qmail at boot you have to add svscan to your startup" elog "and create the following links:" elog "ln -s ${SUPERVISE_DIR}/qmail-send /service/qmail-send" elog "ln -s ${SUPERVISE_DIR}/qmail-smtpd /service/qmail-smtpd" elog if use pop3; then elog "To start the pop3 server as well, create the following link:" elog "ln -s ${SUPERVISE_DIR}/qmail-pop3d /service/qmail-pop3d" elog if use ssl; then elog "To start the pop3s server as well, create the following link:" elog "ln -s ${SUPERVISE_DIR}/qmail-pop3sd /service/qmail-pop3sd" elog fi fi elog "Additionally, the QMTP and QMQP protocols are supported, " elog "and can be started as:" elog "ln -s ${SUPERVISE_DIR}/qmail-qmtpd /service/qmail-qmtpd" elog "ln -s ${SUPERVISE_DIR}/qmail-qmqpd /service/qmail-qmqpd" elog elog "Additionally, if you wish to run qmail right now, you should " elog "run this before anything else:" elog "source /etc/profile" } qmail_config_fast() { if [[ ${ROOT} = / ]]; then local host=$(hostname --fqdn) if [[ -z "${host}" ]]; then eerror eerror "Cannot determine your fully-qualified hostname" eerror "Please setup your /etc/hosts as described in" eerror "https://www.gentoo.org/doc/en/handbook/handbook-x86.xml?part=1&chap=8#doc_chap2_sect4" eerror die "cannot determine FQDN" fi if [[ ! -f "${ROOT}${QMAIL_HOME}"/control/me ]]; then "${ROOT}${QMAIL_HOME}"/bin/config-fast ${host} fi else ewarn "Skipping some configuration as it MUST be run on the final host" fi } qmail_tcprules_config() { local localips ip tcpstring line proto f einfo "Accepting relaying by default from all ips configured on this machine." # Start with iproute2 as ifconfig is deprecated, and ifconfig does not handle # additional addresses added via iproute2. # Note: We have to strip off the packed netmask w/e.g. 192.168.0.2/24 localips=$(ip address show 2>/dev/null | awk '$1 == "inet" {print $2}' | sed 's:/.*::') if [[ -z ${localips} ]] ; then # Hello old friend. Maybe you can tell us at least something. localips=$(ifconfig | awk '$1 == "inet" {print $2}') fi tcpstring=':allow,RELAYCLIENT="",RBLSMTPD=""' for ip in ${localips}; do line="${ip}${tcpstring}" for proto in smtp qmtp qmqp; do f="${EROOT}${TCPRULES_DIR}/tcp.qmail-${proto}" egrep -qs "${line}" "${f}" || echo "${line}" >> "${f}" done done } qmail_ssl_generate() { CRON_FOLDER=cron.hourly use gencertdaily && CRON_FOLDER=cron.daily ebegin "Generating RSA keys for SSL/TLS, this can take some time" "${ROOT}"/etc/${CRON_FOLDER}/qmail-genrsacert.sh eend $? einfo "Creating a self-signed ssl-certificate:" "${ROOT}${QMAIL_HOME}"/bin/mkservercert einfo "If you want to have a properly signed certificate " einfo "instead, do the following:" # space at the end of the string because of the current implementation # of einfo einfo "openssl req -new -nodes -out req.pem \\ " einfo " -config ${QMAIL_HOME}/control/servercert.cnf \\ " einfo " -keyout ${QMAIL_HOME}/control/servercert.pem" einfo "Send req.pem to your CA to obtain signed_req.pem, and do:" einfo "cat signed_req.pem >> ${QMAIL_HOME}/control/servercert.pem" } fi