#!/bin/bash
### Copyright 1999-2015. Parallels IP Holdings GmbH. All Rights Reserved.
#

#
# Plesk script
#


### Copyright 1999-2015. Parallels IP Holdings GmbH. All Rights Reserved.


is_function()
{
	local type_output="`type \"$1\" 2>/dev/null | head -n1 | awk '{print $NF}'`"
	test "X${type_output}" = "Xfunction"
}

# echo message to product log, unless debug
p_echo()
{
    if [ -n "$PLESK_INSTALLER_DEBUG" -o -n "$PLESK_INSTALLER_VERBOSE" -o -z "$product_log" ] ; then
        echo "$@"
    else
        echo "$@" >> "$product_log" 2>&1
    fi
}

# echo message to product log without new line, unless debug
pnnl_echo()
{
    if [ -n "$PLESK_INSTALLER_DEBUG" -o -n "$PLESK_INSTALLER_VERBOSE" -o -z "$product_log" ] ; then
        echo -n "$*"
    else
        echo -n "$*" >> "$product_log" 2>&1
    fi
}

die()
{
	PACKAGE_SCRIPT_FAILED="$*"

	printf "\a\a"
	report_problem \
		"ERROR while trying to $*" \
		"Check the error reason(see log file: ${product_log}), fix and try again"

	selinux_close

	exit 1
}

warn()
{
	local inten
	inten="$1"
	p_echo
	p_echo "WARNING!"
	pnnl_echo "Some problems are found during $inten"
	p_echo "(see log file: ${product_log})"
	p_echo
	p_echo "Continue..."
	p_echo

	product_log_tail | send_error_report_with_input "Warning: $inten"

	[ -n "$PLESK_INSTALLER_DEBUG" -o -n "$PLESK_INSTALLER_VERBOSE" ] || \
	product_log_tail
}

# Use this function to report failed actions.
# Typical report should contain
# - reason or problem description (example: file copying failed)
# - how to resolve or investigate problem (example: check file permissions, free disk space)
# - how to re-run action (example: perform specific command, restart bootstrapper script, run installation again)
report_problem()
{
	[ -n "$product_problems_log" ] || product_problems_log="/dev/stderr"

	p_echo
	if [ "0$problems_occured" -eq 0 ]; then
		echo "***** $process problem report *****" >> "$product_problems_log" 2>&1
	fi
	for problem_message in "$@"; do
		p_echo "$problem_message"
		echo "$problem_message" >> "$product_problems_log" 2>&1
	done
	p_echo

	product_log_tail | send_error_report_with_input "Problem: $@"

	[ -n "$PLESK_INSTALLER_DEBUG" -o -n "$PLESK_INSTALLER_VERBOSE" ] || \
		product_log_tail

	problems_occured=1
}

echo_try()
{
	msg="$*"
	pnnl_echo " Trying to $msg... "
}

suc()
{
	p_echo "done"
}

# do not call it w/o input! Use send_error_report in these cases.
send_error_report_with_input()
{
	get_product_versions
	{
		echo "$@"
		echo ""
		if [ -n "$error_report_context" ]; then
			echo "Context: $error_report_context"
			echo ""
		fi
		if [ -n "$RP_LOADED_PATCHES" ]; then
			echo "Loaded runtime patches: $RP_LOADED_PATCHES"
			echo ""
		fi
		cat -
	} | $PRODUCT_ROOT_D/admin/bin/send-error-report --version "$product_this_version" install >/dev/null 2>&1
}

set_error_report_context()
{
	error_report_context="$*"
}

# accumulates chown and chmod
set_ac()
{
	local u_owner g_owner perms node
	u_owner="$1"
	g_owner="$2"
	perms="$3"
	node="$4"

	chown $u_owner:$g_owner $node || die "chown $u_owner:$g_owner $node"
	chmod $perms $node || die "chmod $perms $node"
}

detect_vz()
{
	PLESK_VZ=0
	PLESK_VE_HW_NODE=0
	PLESK_VZ_TYPE=

	local issue_file="/etc/issue"
	local vzcheck_file="/proc/self/status"
	[ -f "$vzcheck_file" ] || return 1

	local env_id=`sed -ne 's|^envID\:[[:space:]]*\([[:digit:]]\+\)$|\1|p' "$vzcheck_file"`
	[ -n "$env_id" ] || return 1
	if [ "$env_id" = "0" ]; then
		# Either VZ/OpenVZ HW node or unjailed CloudLinux
		PLESK_VE_HW_NODE=1
		return 1
	fi

	if grep -q "CloudLinux" "$issue_file" >/dev/null 2>&1 ; then
		return 1
	fi

	if [ -f "/proc/vz/veredir" ]; then
		PLESK_VZ_TYPE="vz"
	elif [ -d "/proc/vz" ]; then
		PLESK_VZ_TYPE="openvz"
	fi

	PLESK_VZ=1
	return 0
}

call_optional_function()
{
	export LANG=C LC_MESSAGES=C LC_ALL=C
	local type_output="`type \"$1\" 2>/dev/null | head -n 1`"
	case "$type_output" in
		*function)
			"$@"
			;;
		*)
			return 0
			;;
	esac
}
### Copyright 1999-2015. Parallels IP Holdings GmbH. All Rights Reserved.
#-*- vim:syntax=sh

product_log_name_ex()
{
	local aux_descr="$1"
	local action="${CUSTOM_LOG_ACTION_NAME-installation}"

	if [ -n "$aux_descr" ]; then
		aux_descr="_${aux_descr}"
	fi

	if [ -n "$CUSTOM_LOG_NAME" ]; then
		echo "${CUSTOM_LOG_NAME}${action:+_$action}${aux_descr}.log"
	else
		echo "plesk_12.5.30${action:+_$action}${aux_descr}.log"
	fi
}

product_log_name()
{
	product_log_name_ex
}

product_problems_log_name()
{
	product_log_name_ex "problems"
}

problems_log_tail()
{
	[ -f "$product_problems_log" ] || return 0
	tac "$product_problems_log" | awk '/^START/ { exit } { print }' | tac
}

product_log_tail()
{
	[ -f "$product_log" ] || return 0
	{
		tac "$product_log" | awk '/^START/ { exit } { print }' | tac
	} 2>/dev/null
}

cleanup_problems_log()
{
	[ -f "$product_problems_log" ] || return 0
	touch "$product_problems_log.tmp"
	chmod 0600 "$product_problems_log.tmp"
	awk 'BEGIN 						{ st = "" } 
		 /^START/ 					{ st=$0; next } 
		 /^STOP/ && (st ~ /^START/) { st=""; next } 
		 (st != "") 				{ print st; st="" } 
		 							{ print }
		' "$product_problems_log" > "$product_problems_log.tmp" && 	mv -f "$product_problems_log.tmp" "$product_problems_log" || 	rm -f "$product_problems_log.tmp"
	
	if [ ! -s "$product_problems_log" ]; then 
		rm -f "$product_problems_log"
	fi
}

mktemp_log()
{
	local logname="$1"
	local dir="$2"

	if ! expr match "$logname" '/' > /dev/null; then
		logname="$dir/$logname"
	fi
	dir="`dirname $logname`"
	if [ ! -d "$dir" ]; then
		mkdir -p "$dir" || { echo "Unable to create log directory : $dir"; exit 1; }
		if [ "`id -u`" = "0" ]; then
			set_ac root 0 0700 "$dir"
		fi
	fi

	if echo $logname  | grep -q XXX > /dev/null; then
		mktemp "$logname"
	else
		echo "$logname"
	fi
}

log_is_in_dev()
{
	local logfile="$1"
	expr match "$logfile" '/dev/' > /dev/null
	return $?
}

start_writing_logfile()
{
	local logfile="$1"
	local title="$2"
	! log_is_in_dev "$logfile" || return 0
	echo "START $title" >> "$logfile" || { echo "Cannot write installation log $logfile" >&2; exit 1; }
	[ ! "`id -u`" = "0" ] || set_ac root 0 0600 "$logfile"
}

create_product_log_symlink()
{
	local logfile="$1"
	local prevdir="$2"

	local prevlog="$prevdir/`basename $logfile`"
	[ -e "$prevlog" ] || ln -sf "$logfile" "$prevlog"
}

log_start()
{
	true product_log_name product_problems_log_name mktemp_log

	local title="$1"
	local custom_log="$2"
	local custom_problems_log="$3"

	local product_log_dir="/var/log/plesk/install"

	product_log="$product_log_dir/`product_log_name`"
	product_problems_log="$product_log_dir/`product_problems_log_name`"
	problems_occured=0

	# init product log
	[ ! -n "$custom_log" ] || product_log="$custom_log"
	product_log=`mktemp_log "$product_log" "$product_log_dir"`

	# init problems log
	if [ -n "$custom_problems_log" ]; then
		product_problems_log=`mktemp_log "$custom_problems_log" "$product_log_dir"`
	elif [ -n "$custom_log" ]; then
		product_problems_log="$product_log"
	else
		product_problems_log=`mktemp_log "$product_problems_log" "$product_log_dir"`
	fi

	# write starting message into logs
	start_writing_logfile "$product_log" "$title"
	if [ "$product_log" != "$product_problems_log" ]; then
		start_writing_logfile "$product_problems_log" "$title"
	fi

	# create compat symlinks if logs are written to default localtions
	if [ -z "$custom_log" -a -z "$CUSTOM_LOG_NAME" ]; then
		create_product_log_symlink "$product_log" "/tmp"
		[ ! -z "$custom_problems_log" ] || create_product_log_symlink "$product_problems_log" "/tmp"
	fi

	is_function profiler_setup && profiler_setup "$title" || :
}

log_stop()
{
	local title="$1"
	local subject="$2"

	if [ "$product_log" = "$product_problems_log" ] || 			log_is_in_dev "$product_problems_log"; then
		[ -e "$product_log" ] && echo "STOP $title" >>"$product_log"
		is_function profiler_stop && profiler_stop || :
		return
	fi

	if [ -z "$subject" ]; then
		subject="[${title}]"
	fi

	# check if problems are non-empty, check for problems_occured
	local status
	local problem_lines="`problems_log_tail | wc -l`"
	if [ "$problem_lines" -eq 0 ]; then
		status="completed successfully"
	else
		if [ $problems_occured -ne 0 ]; then
			status="failed"
		else
			status="completed with warnings"
		fi
	fi

	if [ -e "$product_log" ]; then
		p_echo
		p_echo "**** $subject $status."
		p_echo
	fi

	if [ "$problem_lines" -ne 0 ]; then
		[ ! -e "$product_log" ] || problems_log_tail >>"$product_log" 2>&1
		problems_log_tail
	fi

	[ ! -e "$product_log" ] || echo "STOP $title" >>"$product_log"
	if [ $problems_occured -ne 0 ]; then
		echo "STOP $title: PROBLEMS FOUND" >>"$product_problems_log"
	else
		[ ! -s "$product_problems_log" ] || echo "STOP $title: OK" >>"$product_problems_log"
	fi

	if [ "X${PLESK_INSTALLER_KEEP_PROBLEMS_LOG}" = "X" ]; then
		cleanup_problems_log
	fi

	# remove symlink to problems log if the log was removed
	local linkpath="/tmp/`basename $product_problems_log`"
	if [ -L "$linkpath" -a ! -e "$linkpath" ]; then
		rm -f "$linkpath"
	fi

	is_function profiler_stop && profiler_stop || :
}

package_script_begin()
{
	if [ "X$process" = "X" ]; then
		if	 [ "X$do_reconfigure" = "X1" ]; then
			process="reconfiguration"
		elif  [ "X$do_upgrade" = "X1" ]; then
			process="upgrade"
		else
			process="installing"
		fi
	fi

	log_start "`package_script_log_title`"
	set_error_report_context "`package_script_log_title`. `report_context_action`"

	product_default_conf
	initial_conf
	set_common_params
	read_conf
}

package_script_end()
{
	packagemng_set_dirty_flag

	log_stop "`package_script_log_title`" "Package $PACKAGE_NAME scriptlet"
}

package_script_log_title()
{
	local stage
	case "$do_upgrade" in
		0) stage="installing";;
		1) stage="upgrading";;
		*) stage="installing";;
	esac
	if [ -n "$PACKAGE_DEB_ACTION" ]; then
		stage="$stage (deb action: $PACKAGE_DEB_ACTION)"
	fi
	echo "$PACKAGE_NAME-$PACKAGE_VERSION-$PACKAGE_RELEASE $stage AT `date`"
}

report_context_action()
{
	local action
	get_product_versions
	if [ "X$do_upgrade" = "X1" -o "$product_prev_version" != "$product_this_version" ]; then
		action="Doing $product_name upgrade from $product_prev_version to $product_this_version"
	else
		action="Doing $product_name $product_this_version installation"
	fi
	echo "$action"
}
### Copyright 1999-2015. Parallels IP Holdings GmbH. All Rights Reserved.

#
# Support for runtime patching of shell scripts (including utilities and package scripts).
#

# --- Service functions ---

# Load and apply a patch in a relatively safe way
rp_safe_load_patch()
{
	local patch_file="$1"
	echo_try "load shell patch '$patch_file'"
	/bin/sh -n "$RP_BASEDIR/$patch_file" && 
	{
		. "$RP_BASEDIR/$patch_file"
		RP_LOADED_PATCHES="$RP_LOADED_PATCHES $patch_file"
	} &&
	suc
}

# Apply patches specific to the current context (e.g., depending on utility basename or package name)
# This is currently not implemented. This may be overriden by "spark".
rp_patch_runtime_context_specific()
{
	:
}

# --- Main entry points ---

rp_patch_runtime()
{
	# List of loaded patch files
	RP_LOADED_PATCHES=

	local RP_BASEDIR="$PRODUCT_BOOTSTRAPPER_DIR/rp"
	[ -d "$RP_BASEDIR" ] || return 0

	if [ -r "$RP_BASEDIR/spark" ]; then
		rp_safe_load_patch "spark"
	fi

	call_optional_function rp_patch_runtime_context_specific "$@"
}
### Copyright 1999-2015. Parallels IP Holdings GmbH. All Rights Reserved.
# vim:ft=sh

initial_conf()
{
	DEMO_VERSION="no"
	PRODNAME="psa"
	PRODUCT_NAME="psa"
	product_full="Plesk"
	product=${PRODNAME}
	PRODUCT_FULL_NAME="Plesk"

	product_etc="/etc/${PRODNAME}"
	prod_conf_t="/etc/psa/psa.conf"
	prodkey="$product_etc/$PRODNAME.key"

	minimal_changes=""

	EXTERNAL_PACKAGES=""
	EXTERNAL_PACKAGES_DIR=""

	BUILDER_UID="10007"

	PERL5LIB=/opt/psa/local/share/perl/5.20.2:/opt/psa/local/lib/i386-linux-gnu/perl/5.20.2
	export PERL5LIB

	support_contact="http://www.parallels.com/support"
	sales_email="sales@parallels.com"

	product_version="12.5.30"
	product_db_version="012005030"
	conceived_os_vendor=Debian
	conceived_os_version="8.0"
	osrels="debian8.0"

	clients_group="${product}cln"
	clients_GID=10001

	services_group="psaserv"
	services_GID=10003

	product_suff="saved_by_${product}".`date "+%m.%d;%H:%M"`
	product_suffo="saved_by_${product}"

	# plesk default password
	if [ "X$DEMO_VERSION" = "Xyes" ]; then
		PRODUCT_DEFAULT_PASSWORD="plesk"
	else
		PRODUCT_DEFAULT_PASSWORD="setup"
	fi
}

read_conf()
{
	[ -n "$prod_conf_t" ] || prod_conf_t=/etc/psa/psa.conf

	if [ -s $prod_conf_t ]; then
		tmp_var=`perl -e 'undef $/; $_=<>; s/#.*$//gm;
		         s/^\s*(\S+)\s*/$1=/mg;
		         print' $prod_conf_t`
		eval $tmp_var
	else
		if [ "X$do_upgrade" = "X1" ]; then
			p_echo "Unable to find product configuration file: $prod_conf_t. Default values will be used."
			return 1
		fi
	fi
	return 0
}

 #default values

product_default_conf()
{

PRODUCT_ROOT_D=/opt/psa
PRODUCT_RC_D=/etc/init.d
PRODUCT_ETC_D=/opt/psa/etc
PLESK_LIBEXEC_DIR=/usr/lib/plesk-9.0
HTTPD_VHOSTS_D=/var/www/vhosts
HTTPD_CONF_D=/etc/apache2
HTTPD_INCLUDE_D=/etc/apache2/conf-enabled
HTTPD_BIN=/usr/sbin/apache2
HTTPD_LOG_D=/var/log/apache2
HTTPD_SERVICE=apache2
QMAIL_ROOT_D=/var/qmail
PLESK_MAILNAMES_D=/var/qmail/mailnames
RBLSMTPD=/usr/sbin/rblsmtpd
NAMED_RUN_ROOT_D=/var/named/run-root
NAMED_OPTIONS_CONF=
NAMED_ZONES_CONF=
WEB_STAT=/usr/bin/webalizer
MYSQL_VAR_D=/var/lib/mysql
MYSQL_BIN_D=/usr/bin
MYSQL_SOCKET=/var/run/mysqld/mysqld.sock
PGSQL_DATA_D=/var/lib/postgresql//main
PGSQL_CONF_D=/etc/postgresql//main
PGSQL_BIN_D=/usr/lib/postgresql/9.4/bin
DUMP_D=/var/lib/psa/dumps
DUMP_TMP_D=/tmp
MAILMAN_ROOT_D=/usr/lib/mailman
MAILMAN_VAR_D=/var/lib/mailman
PYTHON_BIN=/usr/bin/python
CATALINA_HOME=/var/lib/tomcat7
DRWEB_ROOT_D=/opt/drweb
DRWEB_ETC_D=/etc/drweb
GPG_BIN=/usr/bin/gpg
TAR_BIN=/bin/tar
AWSTATS_ETC_D=/etc/awstats
AWSTATS_BIN_D=/usr/lib/cgi-bin
AWSTATS_TOOLS_D=/usr/share/awstats/tools
AWSTATS_DOC_D=/usr/share/awstats
OPENSSL_BIN=/usr/bin/openssl
LIB_SSL_PATH=/lib/libssl.so
LIB_CRYPTO_PATH=/lib/libcrypto.so
CLIENT_PHP_BIN=/opt/psa/bin/php-cli
SNI_SUPPORT=true
APS_DB_DRIVER_LIBRARY=/usr/lib/i386-linux-gnu/libmysqlserver.so.2
IPv6_DISABLED=false
SA_MAX_MAIL_SIZE=256000

}

selinux_close()
{
	if [ -z "$SELINUX_ENFORCE" -o "$SELINUX_ENFORCE" = "Disabled" ]; then
		return
	fi

	setenforce "$SELINUX_ENFORCE"
}
### Copyright 1999-2015. Parallels IP Holdings GmbH. All Rights Reserved.
# vim:ft=sh:

#set_params

set_common_params()
{
	common_var=0

	PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin
	LANG=C
	export PATH LANG
	umask 022
	ulimit -n 65535 2>/dev/null

	K_HUP="/bin/kill -HUP"
	K_KILL="/bin/kill -KILL"
	K_TERM="/bin/kill -TERM"
	K_USR2="/bin/kill -USR2"
	K_TEST="/bin/kill -0"

	users_created=""
	groups_created=""

	certificate_file="$PRODUCT_ETC_D/httpsd.pem"
	services="/etc/services"
	mtab="/etc/mtab"
	get_hostname="hostname"
	get_domainname="domainname"

	#VZP used to determine that we're inside SVE
	vza_file="/var/vzagent"

	#default parameters
	tar="tar"
	crontab="/usr/bin/crontab"

	cp_preserve="cp -p"
	SYSTEM_RC_D=/etc/init.d
	PLESK_LIBEXEC_DIR="/usr/lib/plesk-9.0"
	PLESK_DB_DIR="/var/lib/plesk"
	POSTFIX_LIBEXEC_DIR="/usr/lib/postfix"
	PRODUCT_BOOTSTRAPPER_DIR="/opt/psa/bootstrapper/pp12.5.30-bootstrapper"
	AUTOGENERATED_CONFIGS="#ATTENTION!\n#\n#DO NOT MODIFY THIS FILE BECAUSE IT WAS GENERATED AUTOMATICALLY,\n#SO ALL YOUR CHANGES WILL BE LOST THE NEXT TIME THE FILE IS GENERATED.\n"
	AUTOGENERATED_CONFIGS_UPGRADE="#ATTENTION!\n#\n#DO NOT MODIFY THIS FILE BECAUSE IT WAS GENERATED AUTOMATICALLY,\n#SO ALL YOUR CHANGES WILL BE LOST AFTER YOU UPGRADE PARALLELS PLESK PANEL.\n"
	PRODUCT_LOGS_D="/var/log/plesk"

	set_common_params_linux 

	rp_patch_runtime

	detect_vz
}

set_common_params_linux()
{
	get_hostname="hostname -f"
	fstab="/etc/fstab"
	cp_preserve="cp --preserve=all --remove-destination"
	machine="linux"
	sendmail="/usr/sbin/sendmail"
	ps="ps axw"
	ps_long="ps axuw"
	false_shell="/bin/false"
	dummy_home="/"
	compress="gzip -9 -c"
	uncompress="gunzip -c"
	uudecode="uudecode -o /dev/stdout"
	ifconfig="/sbin/ifconfig -a"
	inet_str="inet addr"

	useradd_options="-r"
	if [ -f /etc/SuSE-release ]; then
		linux_distr="suse"
	elif [ -f /etc/debian_version ]; then
		linux_distr="debian"
		get_domainname="dnsdomainname"
	else
		linux_distr="redhat"
	fi

	sndml_ini="/etc/init.d/sendmail"
	mail_local="/usr/libexec/mail.local"
	if [ -x /sbin/nologin ]; then
		dummy_shell="/sbin/nologin"
	else
		dummy_shell="/bin/false"
	fi
	bash_shell="/bin/bash"
	rbash_shell="/bin/rbash"
	uudecode_full="/usr/bin/uudecode"
	named_osrelease=`cat /proc/sys/kernel/osrelease | perl -F"/[.-]/" -n -a  -e 'printf "%02u%02u%02u\n", $F[0],$F[1],$F[2]'`

	return 0
}

### Copyright 1999-2015. Parallels IP Holdings GmbH. All Rights Reserved.
# -*- vim:syntax=sh

packagemng_set_dirty_flag()
{
	if [ -f ${PRODUCT_ROOT_D}/admin/bin/packagemng ]; then
		${PRODUCT_ROOT_D}/admin/bin/packagemng --set-dirty-flag 1>>$product_log 2>&1
	fi
}

get_product_versions()
{
	local prod_root_d="/opt/psa"
	
	product_name="psa"
	product_this_version="12.5.30"
	product_this_version_tag="testing"
	if [ -z "$product_prev_version" ]; then
		if [ -r "$prod_root_d/version.upg" ]; then
			product_prev_version=`cat "$prod_root_d/version.upg" | awk '{ print $1 }'`
		elif [ -r "$prod_root_d/version" ]; then
			product_prev_version=`cat "$prod_root_d/version" | awk '{ print $1 }'`
		else
			product_prev_version="$product_this_version"
		fi
	fi
}

### Copyright 1999-2015. Parallels IP Holdings GmbH. All Rights Reserved.

# vim:ft=sh

set_postfix_sendmail_wrapper_params()
{
	sendmail_vendor="$sendmail.postfix"
	sendmail_wrapper="$PLESK_LIBEXEC_DIR/postfix-sendmail-wrapper"
	sendmail_postfix_divert_package="plesk-mail-pc-driver"
	postdrop="/usr/sbin/postdrop"
	postdrop_group="postdrop"
}

set_qmail_sendmail_wrapper_params()
{
	sendmail_vendor="/var/qmail/bin/sendmail"
	sendmail_wrapper="$PLESK_LIBEXEC_DIR/qmail-sendmail-wrapper"
}

install_sendmail_wrapper()
{
	local smtp_server="$1"
	local inten="install sendmail wrapper"
	echo_try "${inten}"

	case "${smtp_server}" in
		qmail)
			set_qmail_sendmail_wrapper_params
			# For Debian and Ubuntu sendmail link is in psa-qmail package
			;;
		postfix)
			set_postfix_sendmail_wrapper_params
			install_sendmail_wrapper_postfix_deb
			;;
		msmtp)
			:
			;;
		*)
			warn "${inten}: unknown SMTP server '${smtp_server}'"
			return 1
			;;
	esac

	suc
}

install_sendmail_wrapper_postfix_deb()
{
	{
		dpkg-statoverride --remove "${postdrop}" || :
		dpkg-statoverride --update --add root ${postdrop_group} 2550 "${postdrop}"
		# We need to be careful with 'dpkg-divert --rename' and 'dpkg-statoverride' used together
		# because statoverriding twice after renaming will change symlink's target, not vendor's sendmail
		if [ -e "${sendmail_vendor}" -a -L "${sendmail}" ]; then
			rm -f "$sendmail"
			dpkg-divert --remove --rename "$sendmail" && dpkg-statoverride --remove "$sendmail"
		fi
		dpkg-statoverride --update --add root ${postdrop_group} 750 "${sendmail}"
		dpkg-divert --package "$sendmail_postfix_divert_package" --divert "${sendmail_vendor}" --rename "${sendmail}"
		ln -s "${sendmail_wrapper}" "${sendmail}"
	} >> "${product_log}" 2>&1
}

### Copyright 1999-2015. Parallels IP Holdings GmbH. All Rights Reserved.
# vim:ft=sh:

[ -z "$PLESK_INSTALLER_DEBUG" ] || set -x
[ -z "$PLESK_INSTALLER_STRICT_MODE" ] || set -e
package_script_begin
install_sendmail_wrapper "qmail"
package_script_end
