X-Git-Url: https://git.exim.org/exim-website.git/blobdiff_plain/4bec300304fbfa4a6881b15145437ddaef530acd..d8a52643a60b54a5e495338741f0a1e5cf425833:/config.samples/C011 diff --git a/config.samples/C011 b/config.samples/C011 index eb6eafa..ad89a7d 100644 --- a/config.samples/C011 +++ b/config.samples/C011 @@ -3,7 +3,21 @@ From: David M Walker Thanks to Philip and others I now have my ISP style config built and therefore am posting the final configuration fragments to the list in -case anyone else wants to do a similar thing +case anyone else wants to do a similar thing. + +Date: Mon, 26 Jul 1999 00:02:14 +0100 +From: David M Walker + +Some time ago I posted ISP nstyle configuration C011 and continue +to get mails of the form: + +> But can you please explain me how do the clients get their +> email if it's placed in many directories and the password +> are stored in "private" passwd files. The popper is not able +> to understand it. What approach do you use? + +The way I approach this is described after the configuration. + ###################################################################### @@ -133,3 +147,302 @@ virtual_alias: qualify_preserve_domain end +###################################################################### + + +Our domains each have a unique last number from their IP address +in the form x.y.z.222 etc. but a simple serial number would do. +We prefix this domain number with an 'm' because it's a bad thing +to create a username that starts with a digit. The 'm' stands for +nothing special - originally I think it meant mail. + +As a result we get a username of the form m222.dwalker + +We now use the shell script below to create the user, setup +symbolic links from /var/spool/mail/m222.dwalker to the user's +account directory etc. This is either called from a web page via +ssl or an ssh login. + +Therefore mail sent to dwalker@datamgmt.com will be accessable +from a pop or imap account called m222.dwalker and uniqueness +across multiple domains is preserved. + + +#!/bin/ksh - + +PATH=${PATH}:/usr/sbin; export PATH + +# General Configuration +export PROGNAME=`basename $0` +export POPGID=198 +export SHELL=/bin/false +export SYSPASS=/etc/passwd +export SYSSHAD=/etc/shadow +export PREFIX=m + +# Global Parameters +export DOMAIN="" +export DOMGID="" +export DOMPASS="" +export DOMROOT="" +export DOMUID="" +export DOMUSER="" +export HOMEDIR="" +export MAILBOX="" +export MAILLNK="" +export POPUSER="" +export STRNGTST="" + +fn_check_exit() +{ +ESTATUS=$1 +if [ "${ESTATUS}" != 0 ] +then + echo "Command exited with non-zero value (${ESTATUS})" + exit ${ESTATUS} +else + echo "Command successful" +fi +} + +fn_getdomain() +{ +DOMUID=$(id -u ${USER}) +DOMGRP=${USER} +. getdomain ${DOMGRP} + +# Derived Variables +DOMROOT=/monza/clients/${DOMAIN} +POPUSER=${PREFIX}${DOMUID}.${DOMUSER} +DOMGID=${DOMUID} +DOMPASS=${DOMROOT}/etc/passwd +HOMEDIR=${DOMROOT}/users/${DOMUSER} +MAILBOX=${DOMROOT}/mail/${DOMUSER} +MAILLNK=/var/spool/mail/${POPUSER} +} + +fn_mkpasswd() +{ +STRNGTST=`grep "^${POPUSER}:" ${SYSPASS}` +if [ -z "${STRNGTST}" ] +then + echo "Making ${SYSPASS} entry" + useradd -u ${DOMUID} -g ${DOMGRP} -d ${HOMEDIR} -s ${SHELL} -m -n ${POPUSER} + fn_check_exit $? + #echo "${POPUSER}:x:${DOMUID}:${POPGID}::${HOMEDIR}:${SHELL}" >> ${SYSPASS} +else + echo "User ${POPUSER} already in ${SYSPASS}" +fi +} + +fn_mkdomuser() +{ +STRNGTST=`grep "^${DOMUSER}:" ${DOMPASS}` +if [ -z "${STRNGTST}" ] +then + echo "Making ${DOMPASS} entry" + echo "${DOMUSER}:x:${DOMUID}:${DOMGID}::${HOMEDIR}:" >> ${DOMPASS} +else + echo "User ${DOMUSER} already in ${DOMPASS}" +fi +} + +fn_mkmaildir() +{ +if [ ! -e ${HOMEDIR}/mail ] +then + echo "Making ${HOMEDIR}/mail" + mkdir ${HOMEDIR}/mail + fn_check_exit $? + echo "Setting permissions on ${HOMEDIR}" + chown ${DOMUID}:${DOMGID} ${HOMEDIR} + fn_check_exit $? +fi +} + +fn_creatembox() +{ +if [ ! -e ${MAILBOX} ] +then + echo "Creating empty mailbox" + touch ${MAILBOX} + fn_check_exit $? +fi +echo "Setting ownership" +chown ${DOMUID}.mail ${MAILBOX} +fn_check_exit $? +echo "Setting permissions" +chmod 660 ${MAILBOX} +fn_check_exit $? +} + +fn_dellink() +{ +if [ -e ${MAILLNK} ] +then + if [ -L ${MAILLNK} ] + then + echo "Removing old link" + rm ${MAILLNK} + fn_check_exit $? + else + echo "${MAILLNK} is not a link - moving to .old" + mv ${MAILLNK} ${MAILLNK}.old + fn_check_exit $? + fi +fi +} + +fn_mklink() +{ +if [ -e ${MAILLNK} ] +then + if [ -L ${MAILLNK} ] + then + echo "Removing old link" + rm ${MAILLNK} + fn_check_exit $? + else + echo "File ${MAILLNK} exists moving to .old" + mv ${MAILLNK} ${MAILLNK}.old + fn_check_exit $? + fi +fi +echo "Creating a new link" +ln -s ${MAILBOX} ${MAILLNK} +fn_check_exit $? +} + +fn_setpasswd() +{ +echo "Set password for ${DOMUSER}" +passwd ${POPUSER} +fn_check_exit $? +} + +fn_delpopuser() +{ +fn_getdomain +fn_delpass +fn_dellink +echo "" +echo "Pop account deleted for ${POPUSER}" +echo "Files in the domain user and mail directories must be deleted manually" +echo "The entry in the domain passwd file is also redundant" +echo "" +} + +fn_connect() +{ + echo "" + echo "E-Mail Address: ${DOMUSER}@${DOMAIN}" + echo "Pop username: ${POPUSER}" + echo "Pop password: ********" + echo "Inbound mail: mail.${DOMAIN}" + echo "Inbound port: 110" + echo "Outbound mail: mail.${DOMAIN}" + echo "Outbound mail: 25" + echo "" +} + +fn_addpopuser() +{ +fn_getdomain +fn_mkpasswd +fn_mkmaildir +fn_mkdomuser +fn_creatembox +fn_mklink +fn_setpasswd +fn_connect +} + +fn_setuserpass() +{ +fn_getdomain +fn_setpasswd +fn_connect +} + +fn_usage() +{ + echo "Usage: ${PROGNAME} -a username [add a user]" + echo " ${PROGNAME} -c username [change a users password]" + echo " ${PROGNAME} -d username [delete a user]" + echo " ${PROGNAME} -l [lists all user]" + echo "" + echo "There is also a -n option to set the prefix to null rather" + echo "than m for backward compatiblity with earlier versions" + echo "Note: -n must proceed any other parameters" + exit 1 +} + +fn_delpass() +{ +STRNGTST=`grep "^${POPUSER}:" ${SYSPASS}` +if [ -n "${STRNGTST}" ] +then +userdel ${POPUSER} +fn_check_exit $? +else + echo "User ${POPUSER} already deleted from ${SYSPASS}" +fi +} + +fn_listpops() +{ + fn_getdomain + echo "Username\t/etc/passwd\t/etc/shadow\tLocal Password" + for POPUSER in `grep "^${PREFIX}${DOMUID}\." ${SYSPASS} | cut -d: -f1 -s` + do + echo "${POPUSER}\tOK\t\t\c" + OKS=`grep "^${POPUSER}:" ${SYSSHAD}` + if [ -n "${OKS}" ] + then + echo "OK\t\t\c" + else + echo "Bad\t\t\c" + fi + DUS=`echo ${POPUSER} | cut -d"." -f2 -s` + OKD=`grep "^${DUS}:" ${DOMPASS}` + if [ -n "${OKD}" ] + then + echo "OK\t\c" + else + echo "Bad\t\c" + fi + echo "" + done +} + +DONE="" +while getopts a:c:d:ln PARAM +do + case ${PARAM} in + a) DOMUSER=${OPTARG} + fn_addpopuser + DONE=TRUE + ;; + c) DOMUSER=${OPTARG} + fn_setuserpass + DONE=TRUE + ;; + d) DOMUSER=${OPTARG} + fn_delpopuser + DONE=TRUE + ;; + l) fn_listpops + DONE=TRUE + ;; + n) PREFIX="" + POPUSER=${PREFIX}${DOMUID}.${DOMUSER} + ;; + ?) fn_usage + esac +done +shift $(($OPTIND -1)) + +if [ -z "${DONE}" ] +then + fn_usage +fi