mirror of git://anongit.mindrot.org/openssh.git
759 lines
24 KiB
Bash
759 lines
24 KiB
Bash
#!/bin/bash
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#
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# ssh-host-config, Copyright 2000-2011 Red Hat Inc.
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#
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# This file is part of the Cygwin port of OpenSSH.
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#
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# Permission to use, copy, modify, and distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
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# THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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# ======================================================================
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# Initialization
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# ======================================================================
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CSIH_SCRIPT=/usr/share/csih/cygwin-service-installation-helper.sh
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# List of apps used. This is checkad for existance in csih_sanity_check
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# Don't use *any* transient commands before sourcing the csih helper script,
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# otherwise the sanity checks are short-circuited.
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declare -a csih_required_commands=(
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/usr/bin/basename coreutils
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/usr/bin/cat coreutils
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/usr/bin/chmod coreutils
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/usr/bin/dirname coreutils
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/usr/bin/id coreutils
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/usr/bin/mv coreutils
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/usr/bin/rm coreutils
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/usr/bin/cygpath cygwin
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/usr/bin/mount cygwin
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/usr/bin/ps cygwin
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/usr/bin/setfacl cygwin
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/usr/bin/umount cygwin
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/usr/bin/cmp diffutils
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/usr/bin/grep grep
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/usr/bin/awk gawk
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/usr/bin/ssh-keygen openssh
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/usr/sbin/sshd openssh
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/usr/bin/sed sed
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)
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csih_sanity_check_server=yes
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source ${CSIH_SCRIPT}
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PROGNAME=$(/usr/bin/basename $0)
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_tdir=$(/usr/bin/dirname $0)
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PROGDIR=$(cd $_tdir && pwd)
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# Subdirectory where the new package is being installed
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PREFIX=/usr
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# Directory where the config files are stored
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SYSCONFDIR=/etc
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LOCALSTATEDIR=/var
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port_number=22
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privsep_configured=no
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privsep_used=yes
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cygwin_value=""
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user_account=
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password_value=
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opt_force=no
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# ======================================================================
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# Routine: create_host_keys
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# ======================================================================
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create_host_keys() {
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local ret=0
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if [ ! -f "${SYSCONFDIR}/ssh_host_key" ]
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then
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csih_inform "Generating ${SYSCONFDIR}/ssh_host_key"
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if ! /usr/bin/ssh-keygen -t rsa1 -f ${SYSCONFDIR}/ssh_host_key -N '' > /dev/null
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then
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csih_warning "Generating ${SYSCONFDIR}/ssh_host_key failed!"
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let ++ret
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fi
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fi
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if [ ! -f "${SYSCONFDIR}/ssh_host_rsa_key" ]
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then
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csih_inform "Generating ${SYSCONFDIR}/ssh_host_rsa_key"
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if ! /usr/bin/ssh-keygen -t rsa -f ${SYSCONFDIR}/ssh_host_rsa_key -N '' > /dev/null
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then
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csih_warning "Generating ${SYSCONFDIR}/ssh_host_key failed!"
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let ++ret
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fi
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fi
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if [ ! -f "${SYSCONFDIR}/ssh_host_dsa_key" ]
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then
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csih_inform "Generating ${SYSCONFDIR}/ssh_host_dsa_key"
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if ! /usr/bin/ssh-keygen -t dsa -f ${SYSCONFDIR}/ssh_host_dsa_key -N '' > /dev/null
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then
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csih_warning "Generating ${SYSCONFDIR}/ssh_host_key failed!"
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let ++ret
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fi
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fi
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if [ ! -f "${SYSCONFDIR}/ssh_host_ecdsa_key" ]
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then
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csih_inform "Generating ${SYSCONFDIR}/ssh_host_ecdsa_key"
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if ! /usr/bin/ssh-keygen -t ecdsa -f ${SYSCONFDIR}/ssh_host_ecdsa_key -N '' > /dev/null
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then
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csih_warning "Generating ${SYSCONFDIR}/ssh_host_key failed!"
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let ++ret
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fi
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fi
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return $ret
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} # --- End of create_host_keys --- #
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# ======================================================================
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# Routine: update_services_file
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# ======================================================================
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update_services_file() {
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local _my_etcdir="/ssh-host-config.$$"
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local _win_etcdir
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local _services
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local _spaces
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local _serv_tmp
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local _wservices
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local ret=0
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_win_etcdir="${SYSTEMROOT}\\system32\\drivers\\etc"
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_services="${_my_etcdir}/services"
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_spaces=" #"
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_serv_tmp="${_my_etcdir}/srv.out.$$"
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/usr/bin/mount -o text,posix=0,noacl -f "${_win_etcdir}" "${_my_etcdir}"
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# Depends on the above mount
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_wservices=`cygpath -w "${_services}"`
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# Remove sshd 22/port from services
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if [ `/usr/bin/grep -q 'sshd[ \t][ \t]*22' "${_services}"; echo $?` -eq 0 ]
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then
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/usr/bin/grep -v 'sshd[ \t][ \t]*22' "${_services}" > "${_serv_tmp}"
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if [ -f "${_serv_tmp}" ]
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then
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if /usr/bin/mv "${_serv_tmp}" "${_services}"
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then
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csih_inform "Removing sshd from ${_wservices}"
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else
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csih_warning "Removing sshd from ${_wservices} failed!"
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let ++ret
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fi
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/usr/bin/rm -f "${_serv_tmp}"
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else
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csih_warning "Removing sshd from ${_wservices} failed!"
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let ++ret
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fi
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fi
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# Add ssh 22/tcp and ssh 22/udp to services
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if [ `/usr/bin/grep -q 'ssh[ \t][ \t]*22' "${_services}"; echo $?` -ne 0 ]
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then
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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}" > "${_serv_tmp}"
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then
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if /usr/bin/mv "${_serv_tmp}" "${_services}"
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then
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csih_inform "Added ssh to ${_wservices}"
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else
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csih_warning "Adding ssh to ${_wservices} failed!"
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let ++ret
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fi
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/usr/bin/rm -f "${_serv_tmp}"
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else
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csih_warning "Adding ssh to ${_wservices} failed!"
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let ++ret
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fi
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fi
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/usr/bin/umount "${_my_etcdir}"
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return $ret
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} # --- End of update_services_file --- #
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# ======================================================================
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# Routine: sshd_privsep
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# MODIFIES: privsep_configured privsep_used
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# ======================================================================
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sshd_privsep() {
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local sshdconfig_tmp
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local ret=0
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if [ "${privsep_configured}" != "yes" ]
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then
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csih_inform "Privilege separation is set to yes by default since OpenSSH 3.3."
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csih_inform "However, this requires a non-privileged account called 'sshd'."
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csih_inform "For more info on privilege separation read /usr/share/doc/openssh/README.privsep."
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if csih_request "Should privilege separation be used?"
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then
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privsep_used=yes
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if ! csih_create_unprivileged_user sshd
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then
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csih_error_recoverable "Couldn't create user 'sshd'!"
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csih_error_recoverable "Privilege separation set to 'no' again!"
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csih_error_recoverable "Check your ${SYSCONFDIR}/sshd_config file!"
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let ++ret
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privsep_used=no
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fi
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else
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privsep_used=no
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fi
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fi
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# Create default sshd_config from skeleton files in /etc/defaults/etc or
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# modify to add the missing privsep configuration option
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if /usr/bin/cmp "${SYSCONFDIR}/sshd_config" "${SYSCONFDIR}/defaults/${SYSCONFDIR}/sshd_config" >/dev/null 2>&1
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then
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csih_inform "Updating ${SYSCONFDIR}/sshd_config file"
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sshdconfig_tmp=${SYSCONFDIR}/sshd_config.$$
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/usr/bin/sed -e "s/^#UsePrivilegeSeparation yes/UsePrivilegeSeparation ${privsep_used}/
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s/^#Port 22/Port ${port_number}/
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s/^#StrictModes yes/StrictModes no/" \
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< ${SYSCONFDIR}/sshd_config \
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> "${sshdconfig_tmp}"
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if ! /usr/bin/mv "${sshdconfig_tmp}" ${SYSCONFDIR}/sshd_config
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then
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csih_warning "Setting privilege separation to 'yes' failed!"
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csih_warning "Check your ${SYSCONFDIR}/sshd_config file!"
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let ++ret
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fi
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elif [ "${privsep_configured}" != "yes" ]
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then
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echo >> ${SYSCONFDIR}/sshd_config
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if ! echo "UsePrivilegeSeparation ${privsep_used}" >> ${SYSCONFDIR}/sshd_config
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then
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csih_warning "Setting privilege separation to 'yes' failed!"
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csih_warning "Check your ${SYSCONFDIR}/sshd_config file!"
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let ++ret
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fi
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fi
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return $ret
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} # --- End of sshd_privsep --- #
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# ======================================================================
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# Routine: update_inetd_conf
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# ======================================================================
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update_inetd_conf() {
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local _inetcnf="${SYSCONFDIR}/inetd.conf"
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local _inetcnf_tmp="${SYSCONFDIR}/inetd.conf.$$"
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local _inetcnf_dir="${SYSCONFDIR}/inetd.d"
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local _sshd_inetd_conf="${_inetcnf_dir}/sshd-inetd"
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local _sshd_inetd_conf_tmp="${_inetcnf_dir}/sshd-inetd.$$"
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local _with_comment=1
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local ret=0
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if [ -d "${_inetcnf_dir}" ]
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then
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# we have inetutils-1.5 inetd.d support
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if [ -f "${_inetcnf}" ]
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then
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/usr/bin/grep -q '^[ \t]*ssh' "${_inetcnf}" && _with_comment=0
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# check for sshd OR ssh in top-level inetd.conf file, and remove
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# will be replaced by a file in inetd.d/
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if [ `/usr/bin/grep -q '^[# \t]*ssh' "${_inetcnf}"; echo $?` -eq 0 ]
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then
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/usr/bin/grep -v '^[# \t]*ssh' "${_inetcnf}" >> "${_inetcnf_tmp}"
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if [ -f "${_inetcnf_tmp}" ]
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then
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if /usr/bin/mv "${_inetcnf_tmp}" "${_inetcnf}"
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then
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csih_inform "Removed ssh[d] from ${_inetcnf}"
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else
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csih_warning "Removing ssh[d] from ${_inetcnf} failed!"
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let ++ret
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fi
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/usr/bin/rm -f "${_inetcnf_tmp}"
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else
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csih_warning "Removing ssh[d] from ${_inetcnf} failed!"
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let ++ret
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fi
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fi
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fi
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csih_install_config "${_sshd_inetd_conf}" "${SYSCONFDIR}/defaults"
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if /usr/bin/cmp "${SYSCONFDIR}/defaults${_sshd_inetd_conf}" "${_sshd_inetd_conf}" >/dev/null 2>&1
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then
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if [ "${_with_comment}" -eq 0 ]
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then
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/usr/bin/sed -e 's/@COMMENT@[ \t]*//' < "${_sshd_inetd_conf}" > "${_sshd_inetd_conf_tmp}"
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else
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/usr/bin/sed -e 's/@COMMENT@[ \t]*/# /' < "${_sshd_inetd_conf}" > "${_sshd_inetd_conf_tmp}"
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fi
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if /usr/bin/mv "${_sshd_inetd_conf_tmp}" "${_sshd_inetd_conf}"
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then
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csih_inform "Updated ${_sshd_inetd_conf}"
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else
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csih_warning "Updating ${_sshd_inetd_conf} failed!"
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let ++ret
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fi
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fi
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elif [ -f "${_inetcnf}" ]
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then
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/usr/bin/grep -q '^[ \t]*sshd' "${_inetcnf}" && _with_comment=0
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# check for sshd in top-level inetd.conf file, and remove
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# will be replaced by a file in inetd.d/
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if [ `/usr/bin/grep -q '^[# \t]*sshd' "${_inetcnf}"; echo $?` -eq 0 ]
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then
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/usr/bin/grep -v '^[# \t]*sshd' "${_inetcnf}" >> "${_inetcnf_tmp}"
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if [ -f "${_inetcnf_tmp}" ]
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then
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if /usr/bin/mv "${_inetcnf_tmp}" "${_inetcnf}"
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then
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csih_inform "Removed sshd from ${_inetcnf}"
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else
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csih_warning "Removing sshd from ${_inetcnf} failed!"
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let ++ret
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fi
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/usr/bin/rm -f "${_inetcnf_tmp}"
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else
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csih_warning "Removing sshd from ${_inetcnf} failed!"
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let ++ret
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fi
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fi
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# Add ssh line to inetd.conf
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if [ `/usr/bin/grep -q '^[# \t]*ssh' "${_inetcnf}"; echo $?` -ne 0 ]
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then
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if [ "${_with_comment}" -eq 0 ]
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then
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echo 'ssh stream tcp nowait root /usr/sbin/sshd sshd -i' >> "${_inetcnf}"
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else
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echo '# ssh stream tcp nowait root /usr/sbin/sshd sshd -i' >> "${_inetcnf}"
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fi
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if [ $? -eq 0 ]
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then
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csih_inform "Added ssh to ${_inetcnf}"
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else
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csih_warning "Adding ssh to ${_inetcnf} failed!"
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let ++ret
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fi
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fi
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fi
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return $ret
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} # --- End of update_inetd_conf --- #
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# ======================================================================
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# Routine: check_service_files_ownership
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# Checks that the files in /etc and /var belong to the right owner
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# ======================================================================
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check_service_files_ownership() {
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local run_service_as=$1
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local ret=0
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if [ -z "${run_service_as}" ]
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then
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accnt_name=$(/usr/bin/cygrunsrv -VQ sshd | /usr/bin/sed -ne 's/^Account *: *//gp')
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if [ "${accnt_name}" = "LocalSystem" ]
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then
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# Convert "LocalSystem" to "SYSTEM" as is the correct account name
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accnt_name="SYSTEM:"
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elif [[ "${accnt_name}" =~ ^\.\\ ]]
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then
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# Convert "." domain to local machine name
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accnt_name="U-${COMPUTERNAME}${accnt_name#.},"
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fi
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run_service_as=$(/usr/bin/grep -Fi "${accnt_name}" /etc/passwd | /usr/bin/awk -F: '{print $1;}')
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if [ -z "${run_service_as}" ]
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then
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csih_warning "Couldn't determine name of user running sshd service from /etc/passwd!"
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csih_warning "As a result, this script cannot make sure that the files used"
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csih_warning "by the sshd service belong to the user running the service."
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csih_warning "Please re-run the mkpasswd tool to make sure the /etc/passwd"
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csih_warning "file is in a good shape."
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return 1
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fi
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fi
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for i in "${SYSCONFDIR}"/ssh_config "${SYSCONFDIR}"/sshd_config "${SYSCONFDIR}"/ssh_host_*key "${SYSCONFDIR}"/ssh_host_*key.pub
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do
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if [ -f "$i" ]
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then
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if ! chown "${run_service_as}".544 "$i" >/dev/null 2>&1
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then
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csih_warning "Couldn't change owner of $i!"
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let ++ret
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fi
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fi
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done
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if ! chown "${run_service_as}".544 ${LOCALSTATEDIR}/empty >/dev/null 2>&1
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then
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csih_warning "Couldn't change owner of ${LOCALSTATEDIR}/empty!"
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let ++ret
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fi
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if ! chown "${run_service_as}".544 ${LOCALSTATEDIR}/log/lastlog >/dev/null 2>&1
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then
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csih_warning "Couldn't change owner of ${LOCALSTATEDIR}/log/lastlog!"
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let ++ret
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fi
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if [ -f ${LOCALSTATEDIR}/log/sshd.log ]
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then
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if ! chown "${run_service_as}".544 ${LOCALSTATEDIR}/log/sshd.log >/dev/null 2>&1
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then
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csih_warning "Couldn't change owner of ${LOCALSTATEDIR}/log/sshd.log!"
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let ++ret
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fi
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fi
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if [ $ret -ne 0 ]
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then
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csih_warning "Couldn't change owner of important files to ${run_service_as}!"
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csih_warning "This may cause the sshd service to fail! Please make sure that"
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csih_warning "you have suufficient permissions to change the ownership of files"
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csih_warning "and try to run the ssh-host-config script again."
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fi
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return $ret
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} # --- End of check_service_files_ownership --- #
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# ======================================================================
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# Routine: install_service
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# Install sshd as a service
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# ======================================================================
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install_service() {
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local run_service_as
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local password
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local ret=0
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echo
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if /usr/bin/cygrunsrv -Q sshd >/dev/null 2>&1
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then
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csih_inform "Sshd service is already installed."
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check_service_files_ownership "" || let ret+=$?
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else
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echo -e "${_csih_QUERY_STR} Do you want to install sshd as a service?"
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if csih_request "(Say \"no\" if it is already installed as a service)"
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then
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csih_get_cygenv "${cygwin_value}"
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if ( csih_is_nt2003 || [ "$csih_FORCE_PRIVILEGED_USER" = "yes" ] )
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then
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csih_inform "On Windows Server 2003, Windows Vista, and above, the"
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csih_inform "SYSTEM account cannot setuid to other users -- a capability"
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csih_inform "sshd requires. You need to have or to create a privileged"
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csih_inform "account. This script will help you do so."
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echo
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[ "${opt_force}" = "yes" ] && opt_f=-f
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[ -n "${user_account}" ] && opt_u="-u ""${user_account}"""
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csih_select_privileged_username ${opt_f} ${opt_u} sshd
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if ! csih_create_privileged_user "${password_value}"
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then
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csih_error_recoverable "There was a serious problem creating a privileged user."
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csih_request "Do you want to proceed anyway?" || exit 1
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let ++ret
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fi
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fi
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# Never returns empty if NT or above
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run_service_as=$(csih_service_should_run_as)
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|
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if [ "${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 sshd -d "CYGWIN sshd" -p /usr/sbin/sshd \
|
|
-a "-D" -y tcpip "${cygwin_env[@]}"
|
|
then
|
|
echo
|
|
csih_inform "The sshd service has been installed under the LocalSystem"
|
|
csih_inform "account (also known as SYSTEM). To start the service now, call"
|
|
csih_inform "\`net start sshd' or \`cygrunsrv -S sshd'. Otherwise, it"
|
|
csih_inform "will start automatically after the next reboot."
|
|
fi
|
|
else
|
|
if /usr/bin/cygrunsrv -I sshd -d "CYGWIN sshd" -p /usr/sbin/sshd \
|
|
-a "-D" -y tcpip "${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 sshd' or"
|
|
csih_inform "\`cygrunsrv -S sshd'. Otherwise, it will start automatically"
|
|
csih_inform "after the next reboot."
|
|
fi
|
|
fi
|
|
|
|
if /usr/bin/cygrunsrv -Q sshd >/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
|
|
;;
|
|
|
|
-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: ${progname} [OPTION]..."
|
|
echo
|
|
echo "This script creates an OpenSSH host configuration."
|
|
echo
|
|
echo "Options:"
|
|
echo " --debug -d Enable shell's debug output."
|
|
echo " --yes -y Answer all questions with \"yes\" automatically."
|
|
echo " --no -n Answer all questions with \"no\" automatically."
|
|
echo " --cygwin -c <options> Use \"options\" as value for CYGWIN environment var."
|
|
echo " --port -p <n> sshd listens on port n."
|
|
echo " --user -u <account> privileged user for service."
|
|
echo " --pwd -w <passwd> Use \"pwd\" as password for privileged user."
|
|
echo " --privileged On Windows NT/2k/XP, require privileged user"
|
|
echo " instead of LocalSystem for sshd service."
|
|
echo
|
|
exit 1
|
|
;;
|
|
|
|
esac
|
|
done
|
|
|
|
# ======================================================================
|
|
# Action!
|
|
# ======================================================================
|
|
|
|
# Check for running ssh/sshd processes first. Refuse to do anything while
|
|
# some ssh processes are still running
|
|
if /usr/bin/ps -ef | /usr/bin/grep -q '/sshd\?$'
|
|
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
|
|
for i in $(/usr/bin/id -G)
|
|
do
|
|
/usr/bin/awk -F: "/[^:]*:[^:]*:$i:/{ print \" \" \$1; }" /etc/group
|
|
done
|
|
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
|
|
|
|
# Check for ${SYSCONFDIR} directory
|
|
csih_make_dir "${SYSCONFDIR}" "Cannot create global configuration files."
|
|
if ! /usr/bin/chmod 775 "${SYSCONFDIR}" >/dev/null 2>&1
|
|
then
|
|
csih_warning "Can't set permissions on ${SYSCONFDIR}!"
|
|
let ++warning_cnt
|
|
fi
|
|
if ! /usr/bin/setfacl -m u:system:rwx "${SYSCONFDIR}" >/dev/null 2>&1
|
|
then
|
|
csih_warning "Can't set extended permissions on ${SYSCONFDIR}!"
|
|
let ++warning_cnt
|
|
fi
|
|
|
|
# Check for /var/log directory
|
|
csih_make_dir "${LOCALSTATEDIR}/log" "Cannot create log directory."
|
|
if ! /usr/bin/chmod 775 "${LOCALSTATEDIR}/log" >/dev/null 2>&1
|
|
then
|
|
csih_warning "Can't set permissions on ${LOCALSTATEDIR}/log!"
|
|
let ++warning_cnt
|
|
fi
|
|
if ! /usr/bin/setfacl -m u:system:rwx "${LOCALSTATEDIR}/log" >/dev/null 2>&1
|
|
then
|
|
csih_warning "Can't set extended permissions on ${LOCALSTATEDIR}/log!"
|
|
let ++warning_cnt
|
|
fi
|
|
|
|
# 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 ${LOCALSTATEDIR}/empty!"
|
|
let ++warning_cnt
|
|
fi
|
|
if ! /usr/bin/setfacl -m u:system:rwx "${LOCALSTATEDIR}/empty" >/dev/null 2>&1
|
|
then
|
|
csih_warning "Can't set extended permissions on ${LOCALSTATEDIR}/empty!"
|
|
let ++warning_cnt
|
|
fi
|
|
|
|
# host keys
|
|
create_host_keys || let warning_cnt+=$?
|
|
|
|
# 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}" >> ${SYSCONFDIR}/ssh_config
|
|
fi
|
|
fi
|
|
|
|
# handle sshd_config (and privsep)
|
|
csih_install_config "${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
|
|
/usr/bin/grep -q UsePrivilegeSeparation ${SYSCONFDIR}/sshd_config && privsep_configured=yes
|
|
fi
|
|
sshd_privsep || let warning_cnt+=$?
|
|
|
|
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
|