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  • Committer: Teddy Hogeborn
  • Date: 2014-06-22 02:19:30 UTC
  • mto: (237.7.272 trunk)
  • mto: This revision was merged to the branch mainline in revision 317.
  • Revision ID: teddy@recompile.se-20140622021930-icl7h4cm97blhjml
mandos-keygen: Generate "checker" option to use SSH fingerprints.

To turn this off, use a new "--no-ssh" option to mandos-keygen.

* INSTALL (Mandos Server, Mandos Client): Document new suggested
                                          installation of SSH.
* Makefile (confdir/clients.conf): Use new "--no-ssh" option to
                                   "mandos-keygen".
* debian/control (mandos/Depends): Changed to "fping | ssh-client".
  (mandos-client/Recommends): New; set to "ssh".
* intro.xml (FREQUENTLY ASKED QUESTIONS): Rename and rewrite section
                                          called "Faking ping
                                          replies?" to address new
                                          default behavior.
* mandos-clients.conf.xml (OPTIONS/checker): Briefly discuss new
                                             behavior of
                                             mandos-keygen.
* mandos-keygen: Bug fix: Suppress failure output of "shred" to remove
                 "sec*", since no such files may exist.
 (password mode): Scan for SSH key fingerprints and output as new
                  "checker" and "ssh_fingerprint" options, unless new
                  "--no-ssh" option is given.
* mandos-keygen.xml (SYNOPSIS/--force): Bug fix: Document short form.
  (OPTIONS/--no-ssh): New.
  (SEE ALSO): Add reference "ssh-keyscan(1)".
* plugins.d/mandos-client.xml (SECURITY): Briefly mention the
                                          possibility of using SSH key
                                          fingerprints for checking.

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debian/mandos-client.postinst
 
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#!/bin/sh
 
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# This script can be called in the following ways:
 
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#
 
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# After the package was installed:
 
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#       <postinst> configure <old-version>
 
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#
 
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#
 
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# If prerm fails during upgrade or fails on failed upgrade:
 
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#       <old-postinst> abort-upgrade <new-version>
 
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#
 
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# If prerm fails during deconfiguration of a package:
 
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#       <postinst> abort-deconfigure in-favour <new-package> <version>
 
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#                  removing <old-package> <version>
 
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#
 
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# If prerm fails during replacement due to conflict:
 
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#       <postinst> abort-remove in-favour <new-package> <version>
 
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set -e
 
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# Update the initial RAM file system image
 
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update_initramfs()
 
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{
 
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    if [ -x /usr/sbin/update-initramfs ]; then
 
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        update-initramfs -u -k all
 
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    fi
 
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    if dpkg --compare-versions "$2" lt-nl "1.0.10-1"; then
 
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        # Make old initrd.img files unreadable too, in case they were
 
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        # created with mandos-client 1.0.8 or older.
 
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        find /boot -maxdepth 1 -type f -name "initrd.img-*.bak" \
 
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            -print0 | xargs --null --no-run-if-empty chmod o-r
 
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    fi
 
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}
 
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# Add user and group
 
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add_mandos_user(){
 
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    # Rename old "mandos" user and group
 
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    if dpkg --compare-versions "$2" lt "1.0.3-1"; then
 
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        case "`getent passwd mandos`" in
 
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            *:Mandos\ password\ system,,,:/nonexistent:/bin/false)
 
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                usermod --login _mandos mandos
 
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                groupmod --new-name _mandos mandos
 
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                return
 
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                ;;
 
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        esac
 
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    fi
 
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    # Create new user and group
 
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    if ! getent passwd _mandos >/dev/null; then
 
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        adduser --system --force-badname --quiet --home /nonexistent \
 
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            --no-create-home --group --disabled-password \
 
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            --gecos "Mandos password system" _mandos
 
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    fi
 
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}
 
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# Create client key pair
 
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create_key(){
 
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    if [ -r /etc/keys/mandos/pubkey.txt \
 
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        -a -r /etc/keys/mandos/seckey.txt ]; then
 
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        return 0
 
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    fi
 
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    if [ -x /usr/sbin/mandos-keygen ]; then
 
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        mandos-keygen
 
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    fi
 
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}
 
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case "$1" in
 
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    configure)
 
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        add_mandos_user "$@"
 
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        create_key "$@"
 
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        update_initramfs "$@"
 
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        ;;
 
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    abort-upgrade|abort-deconfigure|abort-remove)
 
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        ;;
 
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    *)
 
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        echo "$0 called with unknown argument '$1'" 1>&2
 
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        exit 1
 
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        ;;
 
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esac
 
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#DEBHELPER#
 
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exit 0