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Viewing changes to debian/mandos-client.postinst

  • Committer: Teddy Hogeborn
  • Date: 2015-08-10 09:00:23 UTC
  • Revision ID: teddy@recompile.se-20150810090023-fz6vjqr7zf33e2tf
Support the standard org.freedesktop.DBus.ObjectManager interface.

Now that the D-Bus standard has an interface to keep track of new and
removed objects, use that instead of our own methods.  This deprecates
our D-Bus methods "GetAllClients" and "GetAllClientsWithProperties"
and the signals "ClientAdded" and "ClientRemoved", all on the server
interface "se.recompile.Mandos".

* DBUS-API: Removed references to deprecated methods and signals;
  insert reference to the org.freedesktop.DBus.ObjectManager
  interface.
* mandos (DBusObjectWithProperties._get_all_interface_names): New.
  (dbus.OBJECT_MANAGER_IFACE): If not present, monkey patch.
  (DBusObjectWithObjectManager): New.
  (main/MandosDBusService): Inherit from DBusObjectWithObjectManager.
  (main/MandosDBusService.ClientRemoved): Annotate as deprecated.
  (main/MandosDBusService.GetAllClients): - '' -
  (main/MandosDBusService.GetAllClientsWithProperties): Annotate as
                                                        deprecated.
                                                        Also only
                                                        return
                                                        properties on
                                                        client
                                                        interface.
  (main/MandosDBusService.RemoveClient): Call client_removed_signal
                                         instead of ClientRemoved.
  (main/MandosDBusService.GetManagedObjects): New.
  (main/MandosDBusService.client_added_signal): New.
  (main/MandosDBusService.client_removed_signal): - '' -
  (main/cleanup): Call "client_removed_signal" instead of sending
                  "ClientRemoved" signal directly.
  (main): Call "client_added_signal" instead of sending "ClientAdded"
          signal directly.
* mandos-ctl: Use GetManagedObjects instead of
              GetAllClientsWithProperties.  Also, show better error
              message in case of failure to connect to the D-Bus

* mandos-monitor (MandosClientPropertyCache.properties_changed):
  Bug fix; only update properties on client interface.
  (UserInterface.find_and_remove_client): Change to accept arguments
                                          from InterfacesRemoved
                                          signal.  Also, bug fix:
                                          working error message when
                                          removing unknown client.
  (UserInterface.add_new_client): Change to accept arguments from
                                  InterfacesRemoved signal.  Pass
                                  properties to MandosClientWidget
                                  constructor.
  (UserInterface.run): Connect find_and_remove_client method to
                       InterfacesRemoved signal and the add_new_client
                       method to the InterfacesAdded signal.

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Lines of Context:
debian/mandos-client.postinst
 
1
#!/bin/sh
 
2
# 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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    update-initramfs -u -k all
 
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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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    mandos-keygen
 
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}
 
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create_dh_params(){
 
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    if [ -r /etc/keys/mandos/dhparams.pem ]; then
 
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        return 0
 
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    fi
 
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    # Create a Diffe-Hellman parameters file
 
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    DHFILE="`mktemp -t mandos-client-dh-parameters.XXXXXXXXXX.pem`"
 
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    # First try certtool from GnuTLS
 
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    if ! certtool --generate-dh-params --sec-param high \
 
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         --outfile "$DHFILE"; then
 
71
        # Otherwise try OpenSSL
 
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        if ! openssl genpkey -genparam -algorithm DH -out "$DHFILE" \
 
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             -pkeyopt dh_paramgen_prime_len:3072; then
 
74
            # None of the commands succeded; give up
 
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            rm -- "$DHFILE"
 
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            return 1
 
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        fi
 
78
    fi
 
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    sed --in-place --expression='0,/^-----BEGIN DH PARAMETERS-----$/d' \
 
80
        "$DHFILE"
 
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    sed --in-place --expression='1i-----BEGIN DH PARAMETERS-----' \
 
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            "$DHFILE"
 
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    cp --archive "$DHFILE" /etc/keys/mandos/dhparams.pem
 
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    rm -- "$DHFILE"
 
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}
 
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case "$1" in
 
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    configure)
 
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        add_mandos_user "$@"
 
90
        create_key "$@"
 
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        create_dh_params "$@" || :
 
92
        update_initramfs "$@"
 
93
        ;;
 
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    abort-upgrade|abort-deconfigure|abort-remove)
 
95
        ;;
 
96
 
 
97
    *)
 
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        echo "$0 called with unknown argument '$1'" 1>&2
 
99
        exit 1
 
100
        ;;
 
101
esac
 
102
 
 
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#DEBHELPER#
 
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exit 0