[ "$1" = "configure" ] || exit 0
[ "$DEBIAN_SCRIPT_DEBUG" ] && set -vx
-# Load CARNet Tools
+# Load CARNET Tools
. /usr/share/carnet-tools/functions.sh
PKG=xinetd-cn
CONF=/etc/xinetd.conf
INETDCONF=/etc/inetd.conf
DEFAULT=/etc/default/xinetd
+BACKUPDIR=/var/backups/xinetd-cn
+XCONV_TOOL=/usr/bin/xconv.pl
-did_inetd_backup=0
-did_backup=0
need_restart=0
+temp_files=
+xinetd_conf_did=0
-# First, we do backup (inetd, xinetd)
+# cleanup()
#
-if cp_check_and_backup "$INETDCONF"; then
- did_inetd_backup=1
-fi
-if cp_check_and_backup "$CONF"; then
- did_backup=1
-fi
+# Cleanup all temp files.
+#
+cleanup () {
+ local item
+
+ if [ -n "$temp_files" ]; then
+ for item in $temp_files; do
+ if [ -e "$item" ]; then
+ rm -f $item
+ fi
+ done
+ fi
+}
+
+# backup_and_disable_service()
+#
+# Backup and disable service with invalid configuration.
+# Arguments: service, services_file
+#
+backup_and_disable_service () {
+ local serv servfile out
+ serv="$1"
+ servfile="$2"
+
+ if cp_backup_conffile -r -d $BACKUPDIR -p /etc/xinetd.d/$servfile; then
+ cp_echo "CN: Old /etc/xinetd.d/$servfile saved as $BACKUPDIR/`basename /etc/xinetd.d/$servfile`.bak."
+ fi
-# Print backup information
+ cp_echo "CN: Disabling service '$serv' in configuration file /etc/xinetd.d/$servfile."
+
+ out=`mktemp /etc/xinetd.d/$servfile.tmp.XXXXXX`
+ temp_files="$temp_files $out"
+
+ sed -r "/^[[:space:]]*service[[:space:]]+$serv[[:space:]]*$/,/^}/ s/^(.*)/#\1/" \
+ /etc/xinetd.d/$servfile > $out
+ rm -f /etc/xinetd.d/$servfile
+ mv "$out" "/etc/xinetd.d/$servfile"
+ chmod 644 "/etc/xinetd.d/$servfile"
+}
+
+# Set trap for deleting all temp files.
+#
+trap cleanup 0 1 2 15
+
+# First, we do backup (inetd, xinetd)
#
-cp_echo ""
-if [ $did_inetd_backup -eq 1 ]; then
- cp_echo "CN: Old $INETDCONF saved as /var/backups/`basename $INETDCONF`.bak."
+if [ -f "$INETDCONF" ]; then
+ if cp_backup_conffile -r -d $BACKUPDIR -p $INETDCONF; then
+ cp_echo "CN: Old $INETDCONF saved as $BACKUPDIR/`basename $INETDCONF`.bak."
+ fi
fi
-if [ $did_backup -eq 1 ]; then
- cp_echo "CN: Old $CONF saved as /var/backups/`basename $CONF`.bak."
+if [ -f "$CONF" ]; then
+ if cp_backup_conffile -r -d $BACKUPDIR -p $CONF; then
+ cp_echo "CN: Old $CONF saved as $BACKUPDIR/`basename $CONF`.bak."
+ fi
fi
-# If there are some services enabled in /etc/inetd.conf, convert them to
-# temporary xinetd configuration file.
-#
-[ -f "$DEFAULT" ] && inetd_compat="`grep '^XINETD_OPTS.*=.*\-inetd_compat' "$DEFAULT"`" || true
CONFTMP=`mktemp $CONF.tmp.XXXXXX`
+temp_files="$CONFTMP"
-if [ -f "$INETDCONF" ] && [ -n "$inetd_compat" ]; then
-
- # Convert inetd.conf to temporary xinetd.conf file using xconv.pl tool
- /usr/sbin/xconv.pl < $INETDCONF > $CONFTMP
+if [ -f "$INETDCONF" ]; then
+ # Convert inetd.conf to temporary xinetd.conf file using xconv.pl tool
+ egrep -v "^#<off>#" $INETDCONF | $XCONV_TOOL > $CONFTMP || true
fi
# Parse /etc/xinetd.conf file and convert services' configuration to
# separated configurations in /etc/xinetd.d/ directory
#
-services_list="`cat $CONF $CONFTMP | grep "^service " | uniq | sed 's/service //g'`" || true
+conffile_list="$CONFTMP"
+if [ -f "$CONF" ]; then
+ if egrep -q "^[[:space:]]*service[[:space:]]+" "$CONF"; then
+ conffile_list="$CONF $conffile_list"
+ xinetd_conf_did=1
+ fi
+fi
+services_list="`sed -nr 's/^[[:space:]]*service[[:space:]]+//p' $conffile_list | uniq`"
if [ -n "$services_list" ]; then
+
for service in $services_list; do
- if [ -f "/etc/xinetd.d/$service" ]; then
- cp_check_and_backup "/etc/xinetd.d/$service"
-
- if ! egrep -q "^# .* update by CARNet package" "/etc/xinetd.d/$service"; then
- rm -f /etc/xinetd.d/$service
- fi
- fi
+ if [ -f "/etc/xinetd.d/$service" ]; then
+ if cp_backup_conffile -r -d $BACKUPDIR -p /etc/xinetd.d/$service; then
+ cp_echo "CN: Old /etc/xinetd.d/$service saved as $BACKUPDIR/`basename /etc/xinetd.d/$service`.bak."
+ fi
+ rm -f /etc/xinetd.d/$service
+ fi
- touch /etc/xinetd.d/$service || true
- # cat "$CONF" "$CONFTMP" | sed -n "/^service $service/,/^}/p" | cp-update "$PKG" "/etc/xinetd.d/$service"
- cat "$CONF" "$CONFTMP" | sed -n "/^service $service/,/^}/p" >> "/etc/xinetd.d/$service"
+ touch /etc/xinetd.d/$service || true
+ # cat "$CONF" "$CONFTMP" | sed -n "/^service $service/,/^}/p" | cp-update "$PKG" "/etc/xinetd.d/$service"
+ sed -rn "/^[[:space:]]*service[[:space:]]+$service[[:space:]]*$/,/^}/p" \
+ $conffile_list >> "/etc/xinetd.d/$service"
- need_restart=1
+ need_restart=1
done
- cp_echo ""
- cp_echo "CN: All services were converted from $CONF file to separated configuration"
- cp_echo "CN: files located in /etc/xinetd.d/ directory."
-
- if [ -n "$inetd_compat" ]; then
- cp_echo "CN: Since -inetd_compat option was active, all services in $INETDCONF"
- cp_echo "CN: file were also moved to /etc/xinetd.d/ directory."
+ if egrep -q "^[[:space:]]*service[[:space:]]+" "$CONFTMP"; then
+ cp_echo "CN: All services were converted from $INETDCONF file to separated"
+ cp_echo "CN: configuration files located in /etc/xinetd.d/ directory."
fi
+ if [ $xinetd_conf_did -eq 1 ]; then
+ cp_echo "CN: All services were converted from $CONF file to separated"
+ cp_echo "CN: configuration files located in /etc/xinetd.d/ directory."
+ fi
fi
rm -f $CONFTMP
+# Configuration file /etc/xinetd.conf does not exist?
+#
+if [ ! -f "$CONF" ]; then
+ touch "$CONF"
+fi
+CONF_CONTENT=
+
# Remove services from /etc/xinetd.conf file
#
-cp_check_and_sed "^service " \
- "/^service/,/^}/d" \
- "$CONF" && need_restart=1 || true
+cp_check_and_sed "^[[:space:]]*service[[:space:]]+" \
+ "/^[[:space:]]*service[[:space:]]/,/^}/d" \
+ "$CONF" && need_restart=1 || true
# Check if there is no defaults block in /etc/xinetd.conf
#
if ! egrep -q '^defaults' "$CONF"; then
+ cp_echo "CN: Adding defaults block to $CONF"
+ CONF_CONTENT="defaults
+{
- echo -e "defaults\n{\n\n}" | cp-update "$PKG" "$CONF"
- cp_echo "CN: Added defaults block to $CONF"
-
- need_restart=1
+}"
fi
# Check if /etc/xinetd.d/ directory is included or not
#
if ! egrep -q '^includedir /etc/xinetd.d' "$CONF"; then
+ cp_echo "CN: Adding \"includedir /etc/xinetd.d\" line to $CONF"
+ CONF_CONTENT="$CONF_CONTENT
+includedir /etc/xinetd.d"
+fi
- echo "includedir /etc/xinetd.d" | cp-update "$PKG" "$CONF"
- cp_echo "CN: Added \"includedir /etc/xinetd.d\" line to $CONF"
-
- need_restart=1
+if [ -n "$CONF_CONTENT" ]; then
+ echo "$CONF_CONTENT" | cp-update -m "$PKG" "$CONF"
+ need_restart=1
fi
-# Remove -inetd_compat option from /etc/default/xinetd
+# Validate services' configuration.
#
-if [ -f "$DEFAULT" ]; then
-
- # File exists, remove -inetd_compat option
- cp_check_and_sed "^XINETD_OPTS.*\-inetd_compat" \
- "s/\-inetd_compat//g" \
- "$DEFAULT" && need_restart=1 || true
-
- # Just in case there is no active XINETD_OPTS line
- if ! egrep -q '^XINETD_OPTS' "$DEFAULT"; then
+services_file_list="`ls -1 /etc/xinetd.d/`"
+if [ -n "$services_file_list" ]; then
+
+ for services_file in $services_file_list; do
+ # Get services list from $services_file
+ services_list="`sed -rn "s/^[[:space:]]*service[[:space:]]+(.*)[[:space:]]*$/\1/p" /etc/xinetd.d/$services_file`"
+
+ if [ -n "$services_list" ]; then
+
+ for service in $services_list; do
+ service_disable=0
+ service_block="`sed -rn "/^[[:space:]]*service[[:space:]]+$service[[:space:]]*$/,/^}/p" /etc/xinetd.d/$services_file`"
+
+ # Check service's user
+ service_user="`echo "$service_block" | sed -nr "s/^[[:space:]]*user[[:space:]]*=[[:space:]]*(.*)[[:space:]]*$/\1/p"`"
+ if [ -n "$service_user" ]; then
+ for service_user_x in $service_user; do
+ service_user_chk="`getent passwd $service_user_x`" || true
+ if [ -z "$service_user_chk" ]; then
+ cp_echo "CN: Error in /etc/xinetd.d/$services_file for service '$service' - user '$service_user_x' does not exist."
+ service_disable=1
+ break
+ fi
+ done
+ fi
+
+ # Check service's group
+ service_group="`echo "$service_block" | sed -nr "s/^[[:space:]]*group[[:space:]]*=[[:space:]]*(.*)[[:space:]]*$/\1/p"`"
+ if [ -n "$service_group" ]; then
+ for service_group_x in $service_group; do
+ service_group_chk="`getent passwd $service_group_x`" || true
+ if [ -z "$service_group_chk" ]; then
+ cp_echo "CN: Error in /etc/xinetd.d/$services_file for service '$service' - group '$service_group_x' does not exist."
+ service_disable=1
+ break
+ fi
+ done
+ fi
+
+ # Check service's binary
+ service_server="`echo "$service_block" | sed -nr "s/^[[:space:]]*server[[:space:]]*=[[:space:]]*(.*)[[:space:]]*$/\1/p"`"
+ if [ -n "$service_server" ]; then
+ for service_server_x in $service_server; do
+ if [ ! -x "$service_server_x" ]; then
+ cp_echo "CN: Error in /etc/xinetd.d/$services_file for service '$service' - server '$service_server_x' does not exist."
+ service_disable=1
+ break
+ fi
+ done
+ fi
+
+ if [ $service_disable -eq 1 ]; then
+ backup_and_disable_service "$service" "$services_file"
+ need_restart=1
+ fi
+ done
+ fi
+ done
+fi
- echo 'XINETD_OPTS="-stayalive"' | cp-update "$PKG" "$DEFAULT"
- cp_echo "CN: Added -stayalive option to $DEFAULT."
+# Remove -inetd_compat option and set INETD_COMPAT to 'No' in /etc/default/xinetd
+#
+if [ -f "$DEFAULT" ]; then
+ # File exists, set INETD_COMPAT to 'No'
+ cp_check_and_sed "^[[:space:]]*INETD_COMPAT.*[Yy][Ee][Ss]" \
+ "s/^[[:space:]]*INETD_COMPAT.*[Yy][Ee][Ss]/INETD_COMPAT=No/g" \
+ "$DEFAULT" && need_restart=1 || true
+
+ # File exists, remove -inetd_compat option
+ cp_check_and_sed "^[[:space:]]*XINETD_OPTS.*\-inetd_compat" \
+ "s/\-inetd_compat//g" \
+ "$DEFAULT" && need_restart=1 || true
+
+ # No INETD_COMPAT line?
+ if ! egrep -q '^[[:space:]]*INETD_COMPAT' "$DEFAULT"; then
+ echo 'INETD_COMPAT=No' | cp-update -m "$PKG" "$DEFAULT"
+ cp_echo "CN: Added 'INETD_COMPAT=No' to $DEFAULT."
+ need_restart=1
+ fi
- need_restart=1
- fi
+ # Just in case there is no active XINETD_OPTS line
+ if ! egrep -q '^[[:space:]]*XINETD_OPTS' "$DEFAULT"; then
+ echo 'XINETD_OPTS="-stayalive"' | cp-update -m "$PKG" "$DEFAULT"
+ cp_echo "CN: Added -stayalive option to $DEFAULT."
+ need_restart=1
+ fi
else
- # File wasn't there at all?
- touch $DEFAULT
- echo 'XINETD_OPTS="-stayalive"' | cp-update "$PKG" "$DEFAULT"
- cp_echo "CN: Created $DEFAULT file with -stayalive option."
-
- need_restart=1
+ # File wasn't there at all?
+ touch "$DEFAULT"
+ cp-update "$PKG" "$DEFAULT" <<EOF
+INETD_COMPAT=No
+XINETD_OPTS="-stayalive"
+EOF
+ cp_echo "CN: Created $DEFAULT file with -stayalive enabled and -inetd_compat disabled."
+ need_restart=1
fi
# Restart xinetd if needed
#
if [ $need_restart -eq 1 ]; then
- do=restart
-fi
-pgrep -u root -f /usr/sbin/xinetd > /dev/null || do=start
-
-cp_echo ""
-if [ -n "$do" ]; then
-
- # Restart xinetd.
- if [ -x "/etc/init.d/xinetd" ]; then
- if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
- invoke-rc.d xinetd "$do" || exit $?
- else
- /etc/init.d/xinetd "$do" || exit $?
- fi
- fi
+ service xinetd restart || exit $?
fi
# Mail root
#
cp_mail "$PKG"
+#DEBHELPER#
+
exit 0
projects / xinetd-cn.git / blobdiff