Panel d'administration de serveur web.
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#!/bin/bash
#
# Gestion des comptes web et des hôtes virtuels Nginx
#
# Copyright (c) 2013 Evolix - Tous droits reserves
#
# TODO
# - Gestion des quota
# - Possibilité de créer un compte FTP-only
# - Pouvoir spécifier le CONTACT_MAIL dans un fichier de conf
# - Traduire usage() en francais, ou l'inverse ??
set -e
HOME="/root"
CONTACT_MAIL="equipe@evolix.fr"
WWWBOUNCE_MAIL="equipe@evolix.fr"
LOCAL_SCRIPT="/usr/share/scripts/evoadmin/web-add.local.sh"
PRE_LOCAL_SCRIPT="/usr/share/scripts/evoadmin/web-add.pre-local.sh"
TPL_VHOST="/usr/share/scripts/evoadmin/vhost-nginx.tpl"
TPL_AWSTATS="/usr/share/scripts/evoadmin/awstats.XXX.conf"
TPL_MAIL="/usr/share/scripts/evoadmin/web-mail-nginx.tpl"
TPL_FPM="/usr/share/scripts/evoadmin/fpm.conf.tpl"
VHOST_PATH="/etc/nginx/sites-available"
FPM_PATH="/etc/php/7.0/fpm/pool.d"
FPM_SERVICE_NAME="php7.0-fpm"
MAX_LOGIN_CHAR=16
HOME_DIR="/home"
MYSQL_CREATE_DB_OPTS=""
# Utiliser ce fichier pour redefinir la valeur des variables ci-dessus
config_file="/etc/evolinux/web-add.conf"
[ -r $config_file ] && . $config_file
usage() {
cat <<EOT >&2
Usage: $0 COMMAND [ARG]
add [ [OPTIONS] LOGIN WWWDOMAIN ]
Create web account LOGIN.
No arguments starts interactive mode.
-p PASSWD
FTP and SFTP password (default : random)
-m DBNAME
Name of MySQL database (default : same as account)
-P DBPASSWD
MySQL password (default : random)
-l MAIL
Send summary email to MAIL
-k SSHKEY
Use this SSH key
-u UID
Force account UID (only in command line)
-g GID
Force account GID (only in command line)
-U UID
Force www-account UID (only in command line)
-y
Don't ask for confirmation
Example : web-add.sh add -m testdb testlogin testdomain.com
del LOGIN [DBNAME]
Delete account and all files related (Apache, Awstats, etc)
Archive home directory.
Remove MySQL database only if DBNAME is specified.
list-vhost LOGIN
List Apache vhost for user LOGIN
EOT
}
#
# Affiche un message d'erreur de validation
#
in_error() {
msg=$1
cat >&2 <<EOT
***
Erreur : $msg
***
EOT
}
gen_random_passwd() {
apg -c /dev/urandom -n1 -E oOlL10\&\\\/\"\'
}
validate_login() {
login=$1
length=${#login}
if [ $length -lt 3 ]; then
in_error "Le login doit contenir plus de 2 caracteres"
return 1
fi
if [ $length -gt $MAX_LOGIN_CHAR ]; then
in_error "Le login ne doit pas contenir plus de $MAX_LOGIN_CHAR caracteres"
return 1
fi
}
validate_passwd() {
passwd=$1
length=${#passwd}
if [ $length -lt 6 ] && [ $length -gt 0 ]; then
in_error "Le mot de passe doit avoir au moins 6 caracteres"
return 1
fi
}
validate_dbname() {
dbname=$1
if mysql -ss -e "show databases" | grep "^$dbname$" >/dev/null; then
in_error "Base de données déjà existante"
return 1
fi
}
validate_wwwdomain() {
wwwdomain=$1
if [ -z "$wwwdomain" ]; then
in_error "Le nom de domaine est obligatoire"
return 1
fi
return 0
}
validate_mail() {
return 0
}
step_ok() {
msg=$1
echo "[OK] $msg"
}
create_www_account() {
# Vérifications
for filetocheck in $TPL_VHOST $TPL_AWSTATS $TPL_MAIL; do
if [ ! -f $filetocheck ]; then
in_error "Fichier inexistant : $filetocheck"
exit 1
fi
done
############################################################################
if [ -f $PRE_LOCAL_SCRIPT ]; then
source $PRE_LOCAL_SCRIPT
fi
step_ok "Exécution du pre-script spécifique"
############################################################################
if [ -z "$HOME_DIR_USER" ]; then
HOME_DIR_USER="$HOME_DIR/$in_login"
fi
############################################################################
if [ -d "$HOME_DIR_USER" ]; then
in_error "Ce compte existe deja (ou il a mal été effacé)"
return 1
fi
############################################################################
# Force UID GID if specified
[ -n "$in_uid" ] && OPT_UID="--uid" && OPT_UID_ARG="$in_uid"
[ -n "$in_gid" ] && OPT_GID="--gid" && OPT_GID_ARG="$in_gid"
[ -n "$in_wwwuid" ] && OPT_WWWUID="--uid" && OPT_WWWUID_ARG="$in_wwwuid"
############################################################################
/usr/sbin/adduser --gecos "User $in_login" --disabled-password "$in_login" \
--shell /bin/bash $OPT_UID $OPT_UID_ARG --force-badname \
--home "$HOME_DIR_USER" >/dev/null
[ -z "$in_sshkey" ] && echo "$in_login:$in_passwd" | chpasswd
[ -z "$in_sshkey" ] || [ -n "$HOME_DIR_USER" ] \
&& mkdir "$HOME_DIR_USER/.ssh" \
&& echo "$in_sshkey" > "$HOME_DIR_USER/.ssh/authorized_keys" \
&& chmod -R u=rwX,g=,o= "$HOME_DIR_USER/.ssh/authorized_keys" \
&& chown -R "$in_login":"$in_login" "$HOME_DIR_USER/.ssh"
# Adding user www-data to group $in_login.
# And primary group www-data for $in_login.
adduser www-data $in_login
usermod -g www-data $in_login
# Authorize user to connect by SSH.
sed -i "s/^AllowUsers .*/& $in_login/" /etc/ssh/sshd_config
/etc/init.d/ssh reload
step_ok "Création des utilisateurs"
############################################################################
echo "$login: $WWWBOUNCE_MAIL" >> /etc/aliases
newaliases
step_ok "Alias mail"
############################################################################
chmod 750 $HOME_DIR_USER/
# Répertoires par défaut
mkdir -p $HOME_DIR_USER/{log,www,awstats}
chown $in_login:$in_login $HOME_DIR_USER/www
chgrp $in_login $HOME_DIR_USER/{log,awstats}
chmod 750 $HOME_DIR_USER/{log,www,awstats}
# Ajout des logs par defaut
touch $HOME_DIR_USER/log/access.log
touch $HOME_DIR_USER/log/error.log
touch $HOME_DIR_USER/log/php.log
chgrp $in_login $HOME_DIR_USER/log/access.log
chgrp $in_login $HOME_DIR_USER/log/error.log
chown $in_login:$in_login $HOME_DIR_USER/log/php.log
chmod 640 $HOME_DIR_USER/log/access.log
chmod 640 $HOME_DIR_USER/log/error.log
chmod 640 $HOME_DIR_USER/log/php.log
step_ok "Création du répertoire personnel"
############################################################################
random=$RANDOM
cat $TPL_VHOST | \
sed -e "
s/DOMAIN/${in_wwwdomain}/g;
s/LOGIN/${in_login}/g;" > ${VHOST_PATH}/$in_login
# On active aussi example.com si le domaine commence par "www." comme
# www.example
# if echo $in_wwwdomain | grep '^www.' > /dev/null; then
# subweb=$(echo $in_wwwdomain | sed -e "s/www.//")
# sed -i -e "s/^\(.*\)#\(ServerAlias\).*$/\1\2 $subweb/" $vhostfile
# fi
ln -s /etc/nginx/sites-available/$in_login \
/etc/nginx/sites-enabled/$in_login
/etc/init.d/nginx restart
step_ok "Configuration de Nginx + restart"
############################################################################
cat $TPL_FPM | \
sed -e "s/SED_LOGIN/${in_login}/g;" > ${FPM_PATH}/${in_login}.conf
step_ok "Creation du pool PHP-FPM"
############################################################################
cat $TPL_AWSTATS | \
sed -e "s/XXX/$in_login/ ; s/SERVERNAME/$in_wwwdomain/ ; s#HOME_DIR#$HOME_DIR#" \
> /etc/awstats/awstats.$in_login.conf
chmod 644 /etc/awstats/awstats.$in_login.conf
VAR=`grep -v "^#" /etc/cron.d/awstats |tail -1 | cut -d " " -f1`
if [ "$VAR" = "" ] || [ $VAR -ge 59 ]; then
VAR=1
else
VAR=$(($VAR +1))
fi
echo "$VAR * * * * root umask 033; [ -x /usr/lib/cgi-bin/awstats.pl -a -f /etc/awstats/awstats.$in_login.conf -a -r $HOME_DIR_USER/log/access.log ] && /usr/lib/cgi-bin/awstats.pl -config=$in_login -update >/dev/null" >> /etc/cron.d/awstats
step_ok "Activation d'Awstats"
############################################################################
if [ "$in_dbname" ]; then
echo "CREATE DATABASE \`$in_dbname\` $MYSQL_CREATE_DB_OPTS;" | mysql
#echo "CREATE DATABASE \`staging_${in_dbname}\` $MYSQL_CREATE_DB_OPTS;" | mysql
echo "GRANT ALL PRIVILEGES ON \`$in_dbname\`.* TO \`$in_login\`@localhost IDENTIFIED BY '$in_dbpasswd';" | mysql
#echo "GRANT ALL PRIVILEGES ON \`staging_${in_dbname}\`.* TO \`$in_login\`@localhost IDENTIFIED BY '$in_dbpasswd';" | mysql
echo "FLUSH PRIVILEGES;" | mysql
my_cnf_file="$HOME_DIR_USER/.my.cnf"
cat >$my_cnf_file <<-EOT
[client]
user = $in_login
password = "$in_dbpasswd"
[mysql]
database = $in_dbname
EOT
chown $in_login $my_cnf_file
chmod 600 $my_cnf_file
step_ok "Création base de données et compte MySQL"
fi
############################################################################
cat $TPL_MAIL | \
sed -e "s/LOGIN/$in_login/g ; s/SERVERNAME/$in_wwwdomain/ ; s/PASSE1/$in_passwd/ ; s/PASSE2/$in_dbpasswd/ ; s/RANDOM/$random/ ; s/QUOTA/$quota/ ; s/RCPTTO/$in_mail/ ; s/DBNAME/$in_dbname/ ; s#HOME_DIR#$HOME_DIR#"| \
/usr/lib/sendmail -oi -t -f "$CONTACT_MAIL"
step_ok "Envoi du mail récapitulatif"
############################################################################
fpm_status=$(echo -n $in_login | md5sum | cut -d' ' -f1)
cat <<EOT> /etc/munin/plugin-conf.d/phpfpm_${in_login}_
[phpfpm_${in_login}_*]
env.url http://munin:%d/fpm_status_$fpm_status
env.ports 80
env.phpbin php-fpm
env.phppool $in_login
EOT
for name in average connections memory processes status; do
ln -s /usr/local/share/munin/plugins/phpfpm_${name} \
/etc/munin/plugins/phpfpm_${in_login}_${name}
done
mkdir -p /etc/nginx/evolinux.d/
cat <<EOT>> /etc/nginx/evolinux.d/munin-plugins.conf
# $in_login FPM Status page. Secret part is md5 of pool name.
location ~ ^/fpm_status_${fpm_status}$ {
include fastcgi_params;
fastcgi_pass unix:/var/run/php-fpm-${in_login}.sock;
fastcgi_param SCRIPT_FILENAME \$fastcgi_script_name;
allow 127.0.0.1;
deny all;
}
EOT
sed -i "s#SED_STATUS#/fpm_status_${fpm_status}#" \
${FPM_PATH}/${in_login}.conf
/etc/init.d/nginx reload
/etc/init.d/${FPM_SERVICE_NAME} reload
/etc/init.d/munin-node restart
step_ok "Configuration plugin php-fpm pour munin"
############################################################################
if [ -f $LOCAL_SCRIPT ]; then
source $LOCAL_SCRIPT
fi
step_ok "Exécution du script spécifique"
############################################################################
DATE=$(date +"%Y-%m-%d")
echo "$DATE [web-add.sh] Ajout $in_login" >> /var/log/evolix.log
}
op_del() {
if [ $# -lt 1 ]; then
usage
exit 1
else
login=$1
if [ $# -eq 2 ]; then
dbname=$2
fi
fi
echo "Deleting account $login. Continue ?"
read
set -x
deluser www-data $login
userdel -f $login
groupdel $login
sed -i.bak "/^$login:/d" /etc/aliases
sed -i "s/^\(AllowUsers .*\)$login/\1/" /etc/ssh/sshd_config
/etc/init.d/ssh reload
if [ -d "$HOME_DIR/$login" ]; then
mv -i $HOME_DIR/$login $HOME_DIR/$login.`date '+%Y%m%d-%H%M%S'`.bak
else
echo "warning : $HOME_DIR/$login does not exist"
fi
rm ${FPM_PATH}/${login}.conf
rm /etc/nginx/sites-{available,enabled}/$login
rm /etc/awstats/awstats.$login.conf
rm /etc/munin/plugins/phpfpm_${login}*
sed -i.bak "/-config=$login/d" /etc/cron.d/awstats
nginx -t
set +x
if [ -n "$dbname" ]; then
echo "Deleting mysql DATABASE $dbname and mysql user $login. Continue ?"
read
set -x
echo "DROP DATABASE \`${dbname}\`; delete from mysql.user where User=\'${login}\' ; FLUSH PRIVILEGES;" | mysql
set +x
fi
}
arg_processing() {
# Détermination de la commande
if [ $# -lt 1 ]; then
usage
else
commandname=$1
shift
case "$commandname" in
add)
op_add $*
;;
del)
op_del $*
;;
list-vhost)
op_listvhost $*
;;
*)
usage
;;
esac
fi
}
op_listvhost() {
if [ $# -eq 1 ]; then
configlist="$VHOST_PATH/$1";
else
configlist="$VHOST_PATH/*";
fi
for configfile in $configlist; do
if [ -r "$configfile" ]; then
servername=`awk '/^[[:space:]]*ServerName (.*)/ { print $2 }' $configfile | head -n 1`
serveraliases=`perl -ne 'print $1 if /^[[:space:]]*ServerAlias (.*)/' $configfile | head -n 1`
serveraliases=`echo $serveraliases | sed 's/ \+/, /g'`
userid=`awk '/^[[:space:]]*AssignUserID.*/ { print $3 }' $configfile | head -n 1`
if [ "$servername" ] && [ "$userid" ]; then
configid=`basename $configfile`
echo "$userid:$configid:$servername:$serveraliases"
fi
fi
done
}
op_add() {
#
# Mode interactif
#
if [ $# -eq 0 ]; then
echo
echo "Ajout d'un compte WEB"
echo
until [ "$in_login" ]; do
echo -n "Entrez le login du nouveau compte : "
read tmp
if validate_login "$tmp"; then
in_login="$tmp"
fi
done
until [ "$in_passwd" ]; do
echo -n "Entrez le mot de passe FTP/SFTP/SSH (ou vide pour aleatoire) : "
read -s tmp
echo
if [ -z "$tmp" ]; then
tmp=`gen_random_passwd`
fi
if validate_passwd "$tmp"; then
in_passwd="$tmp"
fi
done
echo -n "Voulez-vous aussi un compte/base MySQL ? [Y|n] "
read confirm
if [ "$confirm" != "n" ] && [ "$confirm" != "N" ]; then
until [ "$in_dbname" ]; do
echo -n "Entrez le nom de la base de donnees ($in_login par defaut) : "
read tmp
if [ -z "$tmp" ]; then
tmp=$in_login
fi
if validate_dbname "$tmp"; then
in_dbname="$tmp"
fi
done
until [ "$in_dbpasswd" ]; do
echo -n "Entrez le mot de passe MySQL (ou vide pour aleatoire) : "
read -s tmp
echo
if [ -z "$tmp" ]; then
tmp=`gen_random_passwd`
fi
if validate_passwd "$tmp"; then
in_dbpasswd="$tmp"
fi
done
fi
until [ "$in_wwwdomain" ]; do
echo -n "Entrez le nom de domaine web (ex: foo.example.com) : "
read tmp
if validate_wwwdomain "$tmp"; then
in_wwwdomain="$tmp"
fi
done
until [ "$in_mail" ]; do
echo -n "Entrez votre adresse mail pour recevoir le mail de creation ($CONTACT_MAIL par défaut) : "
read tmp
if [ -z "$tmp" ]; then
tmp="$CONTACT_MAIL"
fi
if validate_mail "$tmp"; then
in_mail="$tmp"
fi
done
#
# Mode non interactif
#
else
while getopts hyp:m:P:w:l:k:u:g:U: opt; do
case "$opt" in
p)
in_passwd=$OPTARG
;;
m)
in_dbname=$OPTARG
;;
P)
in_dbpasswd=$OPTARG
;;
l)
in_mail=$OPTARG
;;
k)
in_sshkey=$OPTARG
;;
y)
force_confirm=1
;;
u)
in_uid=$OPTARG
;;
g)
in_gid=$OPTARG
;;
U)
in_wwwuid=$OPTARG
;;
h)
usage
exit 1
;;
?)
usage
exit 1
;;
esac
done
shift $(($OPTIND - 1))
if [ $# -ne 2 ]; then
usage
exit 1
else
in_login=$1
in_wwwdomain=$2
validate_login $in_login || exit 1
[ -z "$in_passwd" ] && [ -z "$in_sshkey" ] && in_passwd=`gen_random_passwd`
[ -z "$in_sshkey" ] && ( validate_passwd $in_passwd || exit 1 )
[ -n "$in_dbname" ] && ( validate_dbname $in_dbname || exit 1 )
[ -z "$in_dbpasswd" ] && [ -n "$in_dbname" ] && in_dbpasswd=`gen_random_passwd`
[ -n "$in_dbname" ] && ( validate_passwd $in_dbpasswd || exit 1 )
validate_wwwdomain $in_wwwdomain || exit 1
[ -z "$in_mail" ] && in_mail=$CONTACT_MAIL
validate_mail $in_mail || exit 1
fi
fi
echo
echo "----------------------------------------------"
echo "Nom du compte : $in_login"
echo "Mot de passe : $in_passwd"
if [ "$in_dbname" ]; then
echo "Base de données MySQL : $in_dbname"
echo "Mot de passe MySQL : $in_dbpasswd"
fi
echo "Nom de domaine : $in_wwwdomain"
echo "Envoi du mail récapitulatif à : $in_mail"
echo "----------------------------------------------"
echo
if [ -z "$force_confirm" ]; then
echo -n "Confirmer la création ? [y/N] : "
read tmp
echo
if [ "$tmp" != "y" ] && [ "$tmp" != "Y" ]; then
echo "Annulation..."
echo
exit 1
fi
fi
create_www_account
echo
echo " => Compte $in_login créé avec succès"
echo
}
# Point d'entrée
arg_processing $*