Panel d'administration de serveur web.
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#!/bin/bash
BINDROOT="/etc/bind"
DBTEMPLATE="$BINDROOT/db.example.com"
SLAVE="ns4.evolix.net"
LOGFILE="/var/log/bind-add.log"
ADD_DOMAIN_SLAVE="/usr/share/scripts/add_domain_slave_ns4.sh"
ADD_RELAY_DOMAIN="/usr/share/scripts/add_relay_domains.sh"
# Redirect stderr to $LOGFILE since Evoadmin don't catch stderr correctly.
#exec 2>>$LOGFILE
# Duplicate stderr on $LOGFILE (bashism)
exec 2> >(tee -a $LOGFILE >&2)
# Create zone file for a new domain.
create_domain () {
domain="$1"
ip="$2"
zonefile="$BINDROOT/db.$domain"
# Create new zone file
cp -p $DBTEMPLATE $zonefile
sed -i "s/_IP_/$ip/" $zonefile
# Add domain to bind conf
sed "s/__DATE__/`date "+%d.%m.%Y"`/; s/example.com/$domain/" \
$BINDROOT/named.conf.single >> $BINDROOT/named.conf.evolix
}
# Add a MX record to an existing domain.
add_mx () {
domain="$1"
mx="$2"
mx_priority="$3"
mx_subdomain="$4"
zonefile="$BINDROOT/db.$domain"
# Quai13 specific. See #8053.
if [ "$mx_subdomain" != "@" ]; then
log INFO "Not adding MX record for subdomain $mx_subdomain."
return 0
fi
if ! grep -q -P "^$mx_subdomain[ \t]+IN[ \t]+MX[ \t]+[[:digit:]]+[ \t]+$mx$" $zonefile; then
echo "$mx_subdomain IN MX $mx_priority $mx" >>$zonefile
else
log ERR "MX Record $mx already exists."
return 1
fi
}
# Add a subdomain (CNAME) to an existing domain.
add_subdomain () {
domain="$1"
subdomain="$2"
zonefile="$BINDROOT/db.$domain"
if ! grep -q -P "^$subdomain[ \t]+IN[ \t]+(CNAME|A)[ \t]+" $zonefile; then
echo "$subdomain IN CNAME @" >>$zonefile
else
log ERR "CNAME or A record for $subdomain already exists."
return 1
fi
}
# Incremente serial number for a domain, check zone, and reload rndc daemon.
inc_and_reload () {
domain="$1"
zonefile="$BINDROOT/db.$domain"
# Set the date for serial (only if greater than actual serial)
serial=$(grep -P '^[ \t]*[0-9]{10}[ \t]*; serial' $zonefile | sed "s/^[ \t]*\([0-9]\{10\}\)[ \t]*; serial/\1/")
if [ `date "+%Y%m%d%H"` -gt $serial ]; then serial=$(date "+%Y%m%d%H"); else serial=$(( $serial + 1 )); fi
sed -i "s/^\([ \t]*\)[0-9]\{10\}\([ \t]*; serial\)/\1$serial\2/" \
$zonefile
if stderr=$(named-checkzone $domain $zonefile 2>&1); then
rndc reload
else
log ERR "named-checkzone returns non zero exit code: $stderr"
return 1
fi
}
# Send mail to staff to create domain on the slave server.
send_mail () {
#addr_master=$(ifconfig eth0 |perl -ne 'print "$1" if /addr:([\d\.]+)/')
echo "IP du serveur maitre : 46.105.42.13" |
mail -s "[TAF] Ajouter le domaine $domain sur $SLAVE" tech@evolix.fr
}
usage () {
cat >&2 <<EOT
Usage: $0 -a <A record> [-m <MX record>,<priority>] [-s subdomain] domain
E.g.: $0 -a 192.0.2.12 -m mail,10 -s foo example.net
Notes:
- -m and -s options can be specified multiple times to add multiple MX
records and/or subdomains
- you can also create a subdomain "foo" with this syntax (even if example.net
is not yet created):
$0 foo.example.net
EOT
}
log () {
level="$1"
message="$2"
if [ "$level" = "ERR" ]; then
echo -n "$(date +"%b %d %T") " >>$LOGFILE
echo "ERROR: $message" |tee -a $LOGFILE >&2
elif [ "$level" = "INFO" ]; then
echo -n "$(date +"%b %d %T") " >>$LOGFILE
echo "INFO: $message" |tee -a $LOGFILE
fi
}
log INFO "$0 $*"
# Options parsing.
while getopts 'a:s:m:' opt; do
case $opt in
a)
ip=$OPTARG
;;
s)
subdomains="$subdomains $OPTARG"
;;
m)
mxs="$mxs $OPTARG"
;;
\?)
log ERR "Invalid option -$OPTARG."
usage
exit 1
;;
esac
done
shift $((OPTIND-1))
if [ $# -eq 1 ]; then
fqdn=$(echo $1 |tr '[:upper:]' '[:lower:]')
else
usage
exit 1
fi
# If the domain contains a subdomain, extracts it.
if [ $(echo "$fqdn" |grep -oF '.' |wc -l) -gt 1 ]; then
domain=$(echo $fqdn |grep -o '[^\.]\+\.[^\.]\+$')
if [ ${fqdn%.$domain} != "www" ]; then # www is already present in the zone template, so skip it.
subdomains="$subdomains ${fqdn%.$domain}"
fi
else
domain="$fqdn"
fi
if [ ! -f $BINDROOT/db.$domain ]; then
log INFO "Creating domain $domain."
if [ -n "$ip" ]; then
create_domain $domain $ip
#send_mail $domain
$ADD_DOMAIN_SLAVE $domain
$ADD_RELAY_DOMAIN $domain
else
log ERR "Domain $domain does not exist and -a option is not set."
log "Could not create domain."
exit 1
fi
log INFO "domain $domain created successfully."
fi
if [ -n "$mxs" ]; then
for mx in $mxs; do
log INFO "Adding MX record $mx to domain $domain."
mx_domain=$(echo $mx |cut -d ',' -f '1')
mx_priority=$(echo $mx |cut -d ',' -f '2')
mx_subdomain="${fqdn%.$domain}"
if [ "$mx_subdomain" = "$domain" ] || [ "$mx_subdomain" = "www" ]; then
mx_subdomain="@"
fi
if ! add_mx $domain $mx_domain $mx_priority "$mx_subdomain"; then
log ERR "Error: adding MX record failed."
exit 1
fi
log INFO "MX record $mx added successfully to domain $domain."
done
fi
if [ -n "$subdomains" ]; then
for subdomain in $subdomains; do
log INFO "Adding CNAME record $subdomain to domain $domain."
if ! add_subdomain $domain $subdomain; then
log ERR "Error: adding CNAME record failed."
exit 1
fi
log INFO "CNAME record $subdomain added successfully to domain $domain."
done
fi
log INFO "Reloading rndc."
if ! inc_and_reload $domain; then
log ERR "Error: zone not loaded due to errors."
exit 1
fi
log INFO "rndc reloaded successfully."