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-rw-r--r--contrib/cygwin/ssh-host-config693
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diff --git a/contrib/cygwin/ssh-host-config b/contrib/cygwin/ssh-host-config
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+#!/bin/bash
+#
+# ssh-host-config, Copyright 2000-2014 Red Hat Inc.
+#
+# This file is part of the Cygwin port of OpenSSH.
+#
+# Permission to use, copy, modify, and distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
+# THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+# ======================================================================
+# Initialization
+# ======================================================================
+
+CSIH_SCRIPT=/usr/share/csih/cygwin-service-installation-helper.sh
+
+# List of apps used. This is checkad for existence in csih_sanity_check
+# Don't use *any* transient commands before sourcing the csih helper script,
+# otherwise the sanity checks are short-circuited.
+declare -a csih_required_commands=(
+ /usr/bin/basename coreutils
+ /usr/bin/cat coreutils
+ /usr/bin/chmod coreutils
+ /usr/bin/dirname coreutils
+ /usr/bin/id coreutils
+ /usr/bin/mv coreutils
+ /usr/bin/rm coreutils
+ /usr/bin/cygpath cygwin
+ /usr/bin/mkpasswd cygwin
+ /usr/bin/mount cygwin
+ /usr/bin/ps cygwin
+ /usr/bin/umount cygwin
+ /usr/bin/cmp diffutils
+ /usr/bin/grep grep
+ /usr/bin/awk gawk
+ /usr/bin/ssh-keygen openssh
+ /usr/sbin/sshd openssh
+ /usr/bin/sed sed
+)
+csih_sanity_check_server=yes
+source ${CSIH_SCRIPT}
+
+PROGNAME=$(/usr/bin/basename $0)
+_tdir=$(/usr/bin/dirname $0)
+PROGDIR=$(cd $_tdir && pwd)
+
+# Subdirectory where the new package is being installed
+PREFIX=/usr
+
+# Directory where the config files are stored
+SYSCONFDIR=/etc
+LOCALSTATEDIR=/var
+
+sshd_config_configured=no
+port_number=22
+service_name=sshd
+strictmodes=yes
+cygwin_value=""
+user_account=
+password_value=
+opt_force=no
+
+# ======================================================================
+# Routine: update_services_file
+# ======================================================================
+update_services_file() {
+ local _my_etcdir="/ssh-host-config.$$"
+ local _win_etcdir
+ local _services
+ local _spaces
+ local _serv_tmp
+ local _wservices
+ local ret=0
+
+ _win_etcdir="${SYSTEMROOT}\\system32\\drivers\\etc"
+ _services="${_my_etcdir}/services"
+ _spaces=" #"
+ _serv_tmp="${_my_etcdir}/srv.out.$$"
+
+ /usr/bin/mount -o text,posix=0,noacl -f "${_win_etcdir}" "${_my_etcdir}"
+
+ # Depends on the above mount
+ _wservices=`cygpath -w "${_services}"`
+
+ # Add ssh 22/tcp and ssh 22/udp to services
+ if [ `/usr/bin/grep -q 'ssh[[:space:]][[:space:]]*22' "${_services}"; echo $?` -ne 0 ]
+ then
+ if /usr/bin/awk '{ if ( $2 ~ /^23\/tcp/ ) print "ssh 22/tcp'"${_spaces}"'SSH Remote Login Protocol\nssh 22/udp'"${_spaces}"'SSH Remote Login Protocol"; print $0; }' < "${_services}" > "${_serv_tmp}"
+ then
+ if /usr/bin/mv "${_serv_tmp}" "${_services}"
+ then
+ csih_inform "Added ssh to ${_wservices}"
+ else
+ csih_warning "Adding ssh to ${_wservices} failed!"
+ let ++ret
+ fi
+ /usr/bin/rm -f "${_serv_tmp}"
+ else
+ csih_warning "Adding ssh to ${_wservices} failed!"
+ let ++ret
+ fi
+ fi
+ /usr/bin/umount "${_my_etcdir}"
+ return $ret
+} # --- End of update_services_file --- #
+
+# ======================================================================
+# Routine: sshd_strictmodes
+# MODIFIES: strictmodes
+# ======================================================================
+sshd_strictmodes() {
+ if [ "${sshd_config_configured}" != "yes" ]
+ then
+ echo
+ csih_inform "StrictModes is set to 'yes' by default."
+ csih_inform "This is the recommended setting, but it requires that the POSIX"
+ csih_inform "permissions of the user's home directory, the user's .ssh"
+ csih_inform "directory, and the user's ssh key files are tight so that"
+ csih_inform "only the user has write permissions."
+ csih_inform "On the other hand, StrictModes don't work well with default"
+ csih_inform "Windows permissions of a home directory mounted with the"
+ csih_inform "'noacl' option, and they don't work at all if the home"
+ csih_inform "directory is on a FAT or FAT32 partition."
+ if ! csih_request "Should StrictModes be used?"
+ then
+ strictmodes=no
+ fi
+ fi
+ return 0
+}
+
+# ======================================================================
+# Routine: sshd_privsep
+# Try to create ssshd user account
+# ======================================================================
+sshd_privsep() {
+ local ret=0
+
+ if [ "${sshd_config_configured}" != "yes" ]
+ then
+ if ! csih_create_unprivileged_user sshd
+ then
+ csih_error_recoverable "Could not create user 'sshd'!"
+ csih_error_recoverable "You will not be able to run an sshd service"
+ csih_error_recoverable "under a privileged account successfully."
+ csih_error_recoverable "Make sure to create a non-privileged user 'sshd'"
+ csih_error_recoverable "manually before trying to run the service!"
+ let ++ret
+ fi
+ fi
+ return $ret
+} # --- End of sshd_privsep --- #
+
+# ======================================================================
+# Routine: sshd_config_tweak
+# ======================================================================
+sshd_config_tweak() {
+ local ret=0
+
+ # Modify sshd_config
+ csih_inform "Updating ${SYSCONFDIR}/sshd_config file"
+ if [ "${port_number}" -ne 22 ]
+ then
+ /usr/bin/sed -i -e "s/^#\?[[:space:]]*Port[[:space:]].*/Port ${port_number}/" \
+ ${SYSCONFDIR}/sshd_config
+ if [ $? -ne 0 ]
+ then
+ csih_warning "Setting listening port to ${port_number} failed!"
+ csih_warning "Check your ${SYSCONFDIR}/sshd_config file!"
+ let ++ret
+ fi
+ fi
+ if [ "${strictmodes}" = "no" ]
+ then
+ /usr/bin/sed -i -e "s/^#\?[[:space:]]*StrictModes[[:space:]].*/StrictModes no/" \
+ ${SYSCONFDIR}/sshd_config
+ if [ $? -ne 0 ]
+ then
+ csih_warning "Setting StrictModes to 'no' failed!"
+ csih_warning "Check your ${SYSCONFDIR}/sshd_config file!"
+ let ++ret
+ fi
+ fi
+ return $ret
+} # --- End of sshd_config_tweak --- #
+
+# ======================================================================
+# Routine: update_inetd_conf
+# ======================================================================
+update_inetd_conf() {
+ local _inetcnf="${SYSCONFDIR}/inetd.conf"
+ local _inetcnf_tmp="${SYSCONFDIR}/inetd.conf.$$"
+ local _inetcnf_dir="${SYSCONFDIR}/inetd.d"
+ local _sshd_inetd_conf="${_inetcnf_dir}/sshd-inetd"
+ local _sshd_inetd_conf_tmp="${_inetcnf_dir}/sshd-inetd.$$"
+ local _with_comment=1
+ local ret=0
+
+ if [ -d "${_inetcnf_dir}" ]
+ then
+ # we have inetutils-1.5 inetd.d support
+ if [ -f "${_inetcnf}" ]
+ then
+ /usr/bin/grep -q '^[[:space:]]*ssh' "${_inetcnf}" && _with_comment=0
+
+ # check for sshd OR ssh in top-level inetd.conf file, and remove
+ # will be replaced by a file in inetd.d/
+ if [ $(/usr/bin/grep -q '^[# \t]*ssh' "${_inetcnf}"; echo $?) -eq 0 ]
+ then
+ /usr/bin/grep -v '^[# \t]*ssh' "${_inetcnf}" >> "${_inetcnf_tmp}"
+ if [ -f "${_inetcnf_tmp}" ]
+ then
+ if /usr/bin/mv "${_inetcnf_tmp}" "${_inetcnf}"
+ then
+ csih_inform "Removed ssh[d] from ${_inetcnf}"
+ else
+ csih_warning "Removing ssh[d] from ${_inetcnf} failed!"
+ let ++ret
+ fi
+ /usr/bin/rm -f "${_inetcnf_tmp}"
+ else
+ csih_warning "Removing ssh[d] from ${_inetcnf} failed!"
+ let ++ret
+ fi
+ fi
+ fi
+
+ csih_install_config "${_sshd_inetd_conf}" "${SYSCONFDIR}/defaults"
+ if /usr/bin/cmp "${SYSCONFDIR}/defaults${_sshd_inetd_conf}" "${_sshd_inetd_conf}" >/dev/null 2>&1
+ then
+ if [ "${_with_comment}" -eq 0 ]
+ then
+ /usr/bin/sed -e 's/@COMMENT@[[:space:]]*//' < "${_sshd_inetd_conf}" > "${_sshd_inetd_conf_tmp}"
+ else
+ /usr/bin/sed -e 's/@COMMENT@[[:space:]]*/# /' < "${_sshd_inetd_conf}" > "${_sshd_inetd_conf_tmp}"
+ fi
+ if /usr/bin/mv "${_sshd_inetd_conf_tmp}" "${_sshd_inetd_conf}"
+ then
+ csih_inform "Updated ${_sshd_inetd_conf}"
+ else
+ csih_warning "Updating ${_sshd_inetd_conf} failed!"
+ let ++ret
+ fi
+ fi
+
+ elif [ -f "${_inetcnf}" ]
+ then
+ /usr/bin/grep -q '^[[:space:]]*sshd' "${_inetcnf}" && _with_comment=0
+
+ # check for sshd in top-level inetd.conf file, and remove
+ # will be replaced by a file in inetd.d/
+ if [ `/usr/bin/grep -q '^#\?[[:space:]]*sshd' "${_inetcnf}"; echo $?` -eq 0 ]
+ then
+ /usr/bin/grep -v '^#\?[[:space:]]*sshd' "${_inetcnf}" >> "${_inetcnf_tmp}"
+ if [ -f "${_inetcnf_tmp}" ]
+ then
+ if /usr/bin/mv "${_inetcnf_tmp}" "${_inetcnf}"
+ then
+ csih_inform "Removed sshd from ${_inetcnf}"
+ else
+ csih_warning "Removing sshd from ${_inetcnf} failed!"
+ let ++ret
+ fi
+ /usr/bin/rm -f "${_inetcnf_tmp}"
+ else
+ csih_warning "Removing sshd from ${_inetcnf} failed!"
+ let ++ret
+ fi
+ fi
+
+ # Add ssh line to inetd.conf
+ if [ `/usr/bin/grep -q '^[# \t]*ssh' "${_inetcnf}"; echo $?` -ne 0 ]
+ then
+ if [ "${_with_comment}" -eq 0 ]
+ then
+ echo 'ssh stream tcp nowait root /usr/sbin/sshd sshd -i' >> "${_inetcnf}"
+ else
+ echo '# ssh stream tcp nowait root /usr/sbin/sshd sshd -i' >> "${_inetcnf}"
+ fi
+ if [ $? -eq 0 ]
+ then
+ csih_inform "Added ssh to ${_inetcnf}"
+ else
+ csih_warning "Adding ssh to ${_inetcnf} failed!"
+ let ++ret
+ fi
+ fi
+ fi
+ return $ret
+} # --- End of update_inetd_conf --- #
+
+# ======================================================================
+# Routine: check_service_files_ownership
+# Checks that the files in /etc and /var belong to the right owner
+# ======================================================================
+check_service_files_ownership() {
+ local run_service_as=$1
+ local ret=0
+
+ if [ -z "${run_service_as}" ]
+ then
+ accnt_name=$(/usr/bin/cygrunsrv -VQ sshd |
+ /usr/bin/sed -ne 's/^Account *: *//gp')
+ if [ "${accnt_name}" = "LocalSystem" ]
+ then
+ # Convert "LocalSystem" to "SYSTEM" as is the correct account name
+ run_service_as="SYSTEM"
+ else
+ dom="${accnt_name%%\\*}"
+ accnt_name="${accnt_name#*\\}"
+ if [ "${dom}" = '.' ]
+ then
+ # Check local account
+ run_service_as=$(/usr/bin/mkpasswd -l -u "${accnt_name}" |
+ /usr/bin/awk -F: '{print $1;}')
+ else
+ # Check domain
+ run_service_as=$(/usr/bin/mkpasswd -d "${dom}" -u "${accnt_name}" |
+ /usr/bin/awk -F: '{print $1;}')
+ fi
+ fi
+ if [ -z "${run_service_as}" ]
+ then
+ csih_warning "Couldn't determine name of user running sshd service from account database!"
+ csih_warning "As a result, this script cannot make sure that the files used"
+ csih_warning "by the sshd service belong to the user running the service."
+ return 1
+ fi
+ fi
+ for i in "${SYSCONFDIR}"/ssh_config "${SYSCONFDIR}"/sshd_config "${SYSCONFDIR}"/ssh_host_*key "${SYSCONFDIR}"/ssh_host_*key.pub
+ do
+ if [ -f "$i" ]
+ then
+ if ! chown "${run_service_as}".544 "$i" >/dev/null 2>&1
+ then
+ csih_warning "Couldn't change owner of $i!"
+ let ++ret
+ fi
+ fi
+ done
+ if ! chown "${run_service_as}".544 ${LOCALSTATEDIR}/empty >/dev/null 2>&1
+ then
+ csih_warning "Couldn't change owner of ${LOCALSTATEDIR}/empty!"
+ let ++ret
+ fi
+ if ! chown "${run_service_as}".544 ${LOCALSTATEDIR}/log/lastlog >/dev/null 2>&1
+ then
+ csih_warning "Couldn't change owner of ${LOCALSTATEDIR}/log/lastlog!"
+ let ++ret
+ fi
+ if [ -f ${LOCALSTATEDIR}/log/sshd.log ]
+ then
+ if ! chown "${run_service_as}".544 ${LOCALSTATEDIR}/log/sshd.log >/dev/null 2>&1
+ then
+ csih_warning "Couldn't change owner of ${LOCALSTATEDIR}/log/sshd.log!"
+ let ++ret
+ fi
+ fi
+ if [ $ret -ne 0 ]
+ then
+ csih_warning "Couldn't change owner of important files to ${run_service_as}!"
+ csih_warning "This may cause the sshd service to fail! Please make sure that"
+ csih_warning "you have suufficient permissions to change the ownership of files"
+ csih_warning "and try to run the ssh-host-config script again."
+ fi
+ return $ret
+} # --- End of check_service_files_ownership --- #
+
+# ======================================================================
+# Routine: install_service
+# Install sshd as a service
+# ======================================================================
+install_service() {
+ local run_service_as
+ local password
+ local ret=0
+
+ echo
+ if /usr/bin/cygrunsrv -Q ${service_name} >/dev/null 2>&1
+ then
+ csih_inform "Sshd service is already installed."
+ check_service_files_ownership "" || let ret+=$?
+ else
+ echo -e "${_csih_QUERY_STR} Do you want to install sshd as a service?"
+ if csih_request "(Say \"no\" if it is already installed as a service)"
+ then
+ csih_get_cygenv "${cygwin_value}"
+
+ if ( csih_is_nt2003 || [ "$csih_FORCE_PRIVILEGED_USER" = "yes" ] )
+ then
+ csih_inform "On Windows Server 2003, Windows Vista, and above, the"
+ csih_inform "SYSTEM account cannot setuid to other users -- a capability"
+ csih_inform "sshd requires. You need to have or to create a privileged"
+ csih_inform "account. This script will help you do so."
+ echo
+
+ [ "${opt_force}" = "yes" ] && opt_f=-f
+ [ -n "${user_account}" ] && opt_u="-u ""${user_account}"""
+ csih_select_privileged_username ${opt_f} ${opt_u} sshd
+
+ if ! csih_create_privileged_user "${password_value}"
+ then
+ csih_error_recoverable "There was a serious problem creating a privileged user."
+ csih_request "Do you want to proceed anyway?" || exit 1
+ let ++ret
+ fi
+ fi
+
+ # Never returns empty if NT or above
+ run_service_as=$(csih_service_should_run_as)
+
+ if [ "${run_service_as}" = "${csih_PRIVILEGED_USERNAME}" ]
+ then
+ password="${csih_PRIVILEGED_PASSWORD}"
+ if [ -z "${password}" ]
+ then
+ csih_get_value "Please enter the password for user '${run_service_as}':" "-s"
+ password="${csih_value}"
+ fi
+ fi
+
+ # At this point, we either have $run_service_as = "system" and
+ # $password is empty, or $run_service_as is some privileged user and
+ # (hopefully) $password contains the correct password. So, from here
+ # out, we use '-z "${password}"' to discriminate the two cases.
+
+ csih_check_user "${run_service_as}"
+
+ if [ -n "${csih_cygenv}" ]
+ then
+ cygwin_env=( -e "CYGWIN=${csih_cygenv}" )
+ fi
+ if [ -z "${password}" ]
+ then
+ if /usr/bin/cygrunsrv -I ${service_name} -d "CYGWIN ${service_name}" -p /usr/sbin/sshd \
+ -a "-D" -y tcpip "${cygwin_env[@]}"
+ then
+ echo
+ csih_inform "The sshd service has been installed under the LocalSystem"
+ csih_inform "account (also known as SYSTEM). To start the service now, call"
+ csih_inform "\`net start sshd' or \`cygrunsrv -S sshd'. Otherwise, it"
+ csih_inform "will start automatically after the next reboot."
+ fi
+ else
+ if /usr/bin/cygrunsrv -I ${service_name} -d "CYGWIN ${service_name}" -p /usr/sbin/sshd \
+ -a "-D" -y tcpip "${cygwin_env[@]}" \
+ -u "${run_service_as}" -w "${password}"
+ then
+ /usr/bin/editrights -u "${run_service_as}" -a SeServiceLogonRight
+ echo
+ csih_inform "The sshd service has been installed under the '${run_service_as}'"
+ csih_inform "account. To start the service now, call \`net start ${service_name}' or"
+ csih_inform "\`cygrunsrv -S ${service_name}'. Otherwise, it will start automatically"
+ csih_inform "after the next reboot."
+ fi
+ fi
+
+ if /usr/bin/cygrunsrv -Q ${service_name} >/dev/null 2>&1
+ then
+ check_service_files_ownership "${run_service_as}" || let ret+=$?
+ else
+ csih_error_recoverable "Installing sshd as a service failed!"
+ let ++ret
+ fi
+ fi # user allowed us to install as service
+ fi # service not yet installed
+ return $ret
+} # --- End of install_service --- #
+
+# ======================================================================
+# Main Entry Point
+# ======================================================================
+
+# Check how the script has been started. If
+# (1) it has been started by giving the full path and
+# that path is /etc/postinstall, OR
+# (2) Otherwise, if the environment variable
+# SSH_HOST_CONFIG_AUTO_ANSWER_NO is set
+# then set auto_answer to "no". This allows automatic
+# creation of the config files in /etc w/o overwriting
+# them if they already exist. In both cases, color
+# escape sequences are suppressed, so as to prevent
+# cluttering setup's logfiles.
+if [ "$PROGDIR" = "/etc/postinstall" ]
+then
+ csih_auto_answer="no"
+ csih_disable_color
+ opt_force=yes
+fi
+if [ -n "${SSH_HOST_CONFIG_AUTO_ANSWER_NO}" ]
+then
+ csih_auto_answer="no"
+ csih_disable_color
+ opt_force=yes
+fi
+
+# ======================================================================
+# Parse options
+# ======================================================================
+while :
+do
+ case $# in
+ 0)
+ break
+ ;;
+ esac
+
+ option=$1
+ shift
+
+ case "${option}" in
+ -d | --debug )
+ set -x
+ csih_trace_on
+ ;;
+
+ -y | --yes )
+ csih_auto_answer=yes
+ opt_force=yes
+ ;;
+
+ -n | --no )
+ csih_auto_answer=no
+ opt_force=yes
+ ;;
+
+ -c | --cygwin )
+ cygwin_value="$1"
+ shift
+ ;;
+
+ -N | --name )
+ service_name=$1
+ shift
+ ;;
+
+ -p | --port )
+ port_number=$1
+ shift
+ ;;
+
+ -u | --user )
+ user_account="$1"
+ shift
+ ;;
+
+ -w | --pwd )
+ password_value="$1"
+ shift
+ ;;
+
+ --privileged )
+ csih_FORCE_PRIVILEGED_USER=yes
+ ;;
+
+ *)
+ echo "usage: ${progname} [OPTION]..."
+ echo
+ echo "This script creates an OpenSSH host configuration."
+ echo
+ echo "Options:"
+ echo " --debug -d Enable shell's debug output."
+ echo " --yes -y Answer all questions with \"yes\" automatically."
+ echo " --no -n Answer all questions with \"no\" automatically."
+ echo " --cygwin -c <options> Use \"options\" as value for CYGWIN environment var."
+ echo " --name -N <name> sshd windows service name."
+ echo " --port -p <n> sshd listens on port n."
+ echo " --user -u <account> privileged user for service, default 'cyg_server'."
+ echo " --pwd -w <passwd> Use \"pwd\" as password for privileged user."
+ echo " --privileged On Windows XP, require privileged user"
+ echo " instead of LocalSystem for sshd service."
+ echo
+ exit 1
+ ;;
+
+ esac
+done
+
+# ======================================================================
+# Action!
+# ======================================================================
+
+# Check for running ssh/sshd processes first. Refuse to do anything while
+# some ssh processes are still running
+if /usr/bin/ps -ef | /usr/bin/grep -q '/sshd\?$'
+then
+ echo
+ csih_error "There are still ssh processes running. Please shut them down first."
+fi
+
+# Make sure the user is running in an administrative context
+admin=$(/usr/bin/id -G | /usr/bin/grep -Eq '\<544\>' && echo yes || echo no)
+if [ "${admin}" != "yes" ]
+then
+ echo
+ csih_warning "Running this script typically requires administrator privileges!"
+ csih_warning "However, it seems your account does not have these privileges."
+ csih_warning "Here's the list of groups in your user token:"
+ echo
+ /usr/bin/id -Gnz | xargs -0n1 echo " "
+ echo
+ csih_warning "This usually means you're running this script from a non-admin"
+ csih_warning "desktop session, or in a non-elevated shell under UAC control."
+ echo
+ csih_warning "Make sure you have the appropriate privileges right now,"
+ csih_warning "otherwise parts of this script will probably fail!"
+ echo
+ echo -e "${_csih_QUERY_STR} Are you sure you want to continue? (Say \"no\" if you're not sure"
+ if ! csih_request "you have the required privileges)"
+ then
+ echo
+ csih_inform "Ok. Exiting. Make sure to switch to an administrative account"
+ csih_inform "or to start this script from an elevated shell."
+ exit 1
+ fi
+fi
+
+echo
+
+warning_cnt=0
+
+# Create /var/log/lastlog if not already exists
+if [ -e ${LOCALSTATEDIR}/log/lastlog -a ! -f ${LOCALSTATEDIR}/log/lastlog ]
+then
+ echo
+ csih_error_multi "${LOCALSTATEDIR}/log/lastlog exists, but is not a file." \
+ "Cannot create ssh host configuration."
+fi
+if [ ! -e ${LOCALSTATEDIR}/log/lastlog ]
+then
+ /usr/bin/cat /dev/null > ${LOCALSTATEDIR}/log/lastlog
+ if ! /usr/bin/chmod 644 ${LOCALSTATEDIR}/log/lastlog >/dev/null 2>&1
+ then
+ csih_warning "Can't set permissions on ${LOCALSTATEDIR}/log/lastlog!"
+ let ++warning_cnt
+ fi
+fi
+
+# Create /var/empty file used as chroot jail for privilege separation
+csih_make_dir "${LOCALSTATEDIR}/empty" "Cannot create ${LOCALSTATEDIR}/empty directory."
+if ! /usr/bin/chmod 755 "${LOCALSTATEDIR}/empty" >/dev/null 2>&1
+then
+ csih_warning "Can't set permissions on ${LOCALSTATEDIR}/empty!"
+ let ++warning_cnt
+fi
+
+# generate missing host keys
+csih_inform "Generating missing SSH host keys"
+/usr/bin/ssh-keygen -A || let warning_cnt+=$?
+
+# handle ssh_config
+csih_install_config "${SYSCONFDIR}/ssh_config" "${SYSCONFDIR}/defaults" || let ++warning_cnt
+if /usr/bin/cmp "${SYSCONFDIR}/ssh_config" "${SYSCONFDIR}/defaults/${SYSCONFDIR}/ssh_config" >/dev/null 2>&1
+then
+ if [ "${port_number}" != "22" ]
+ then
+ csih_inform "Updating ${SYSCONFDIR}/ssh_config file with requested port"
+ echo "Host localhost" >> ${SYSCONFDIR}/ssh_config
+ echo " Port ${port_number}" >> ${SYSCONFDIR}/ssh_config
+ fi
+fi
+
+# handle sshd_config
+csih_install_config "${SYSCONFDIR}/sshd_config" "${SYSCONFDIR}/defaults" || let ++warning_cnt
+if ! /usr/bin/cmp "${SYSCONFDIR}/sshd_config" "${SYSCONFDIR}/defaults/${SYSCONFDIR}/sshd_config" >/dev/null 2>&1
+then
+ sshd_config_configured=yes
+fi
+sshd_strictmodes || let warning_cnt+=$?
+sshd_privsep || let warning_cnt+=$?
+sshd_config_tweak || let warning_cnt+=$?
+update_services_file || let warning_cnt+=$?
+update_inetd_conf || let warning_cnt+=$?
+install_service || let warning_cnt+=$?
+
+echo
+if [ $warning_cnt -eq 0 ]
+then
+ csih_inform "Host configuration finished. Have fun!"
+else
+ csih_warning "Host configuration exited with ${warning_cnt} errors or warnings!"
+ csih_warning "Make sure that all problems reported are fixed,"
+ csih_warning "then re-run ssh-host-config."
+fi
+exit $warning_cnt