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gentoo-overlay/eclass/qmail.eclass

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14 KiB

# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# @ECLASS: qmail.eclass
# @MAINTAINER:
# qmail-bugs@gentoo.org
# @BLURB: common qmail functions
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: <min> <max>
# @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 ${result}
}
# @FUNCTION: is_prima
# @USAGE: <number>
# @DESCRIPTION:
# Checks wether a number is a prime number
is_prime() {
local number=${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: <service> [<runfile> <logfile>]
# @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, apply custom patches if supplied 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}
einfo "Installing basic qmail software"
insinto "${QMAIL_HOME}"/bin
insopts -o root -g qmail -m 755
doins datemail elq forward maildir2mbox maildirmake \
maildirwatch mailsubj pinq predate qail \
qmail-{inject,qmqpc,showctl} sendmail
einfo "Adding env.d entry for qmail"
doenvd "${GENQMAIL_S}"/conf/99qmail
declare -F qmail_base_install_hook >/dev/null && \
qmail_base_install_hook
}
qmail_full_install() {
einfo "Setting up full directory hierarchy"
keepdir "${QMAIL_HOME}"/users
diropts -o alias -g qmail -m 755
keepdir "${QMAIL_HOME}"/alias
einfo "Installing all qmail software"
insopts -o root -g qmail -m 755
doins bouncesaying condredirect config-fast except preline qbiff \
qmail-{qmqpd,qmtpd,qread,qstat,smtpd,tcpok,tcpto} \
qreceipt qsmhook tcp-env
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_full_install_hook >/dev/null && \
qmail_full_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* CHANGES FAQ INSTALL* PIC* README* REMOVE* SECURITY \
SENDMAIL* TEST* THANKS* THOUGHTS UPGRADE VERSION*
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_full_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"
}