/mandos/release

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First version of a somewhat complete D-Bus server interface.  Also
change user/group name to "_mandos".

* debian/mandos.postinst: Rename old "mandos" user and group to
                          "_mandos"; create "_mandos" user and group
                          if none exist.
* debian/mandos-client.postinst: - '' -

* initramfs-tools-hook: Try "_mandos" before "mandos" as user and
                        group name.

* mandos (_datetime_to_dbus_struct): New; was previously local.
  (Client.started): Renamed to "last_started".  All users changed.
  (Client.started): New; boolean.
  (Client.dbus_object_path): New.
  (Client.check_command): Renamed to "checker_command".  All users
                          changed.
  (Client.__init__): Set and use "self.dbus_object_path".  Set
                     "self.started".
  (Client.start): Update "self.started".  Emit "self.PropertyChanged"
                  signals for both "started" and "last_started".
  (Client.stop): Update "self.started".  Emit "self.PropertyChanged"
                 signal for "started".
  (Client.checker_callback): Take additional "command" argument.  All
                             callers changed. Emit
                             "self.PropertyChanged" signal.
  (Client.bump_timeout): Emit "self.PropertyChanged" signal for
                         "last_checked_ok".
  (Client.start_checker): Emit "self.PropertyChanged" signal for
                          "checker_running".
  (Client.stop_checker): Emit "self.PropertyChanged" signal for
                         "checker_running".
  (Client.still_valid): Bug fix: use "getattr(self, started, False)"
                        instead of "self.started" in case this client
                        object is so new that the "started" attribute
                        has not been created yet.
  (Client.IntervalChanged, Client.CheckerIsRunning, Client.GetChecker,
  Client.GetCreated, Client.GetFingerprint, Client.GetHost,
  Client.GetInterval, Client.GetName, Client.GetStarted,
  Client.GetTimeout, Client.StateChanged, Client.TimeoutChanged):
  Removed; all callers changed.
  (Client.CheckerCompleted): Add "condition" and "command" arguments.
                             All callers changed.
  (Client.GetAllProperties, Client.PropertyChanged): New.
  (Client.StillValid): Renamed to "IsStillValid".
  (Client.StartChecker): Changed to its own function to avoid the
                         return value from "Client.start_checker()".
  (Client.Stop): Changed to its own function to avoid the return value
                 from "Client.stop()".
  (main): Try "_mandos" before "mandos" as user and group name.
          Removed inner function "remove_from_clients".  New inner
          class "MandosServer".

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Lines of Context:
initramfs-tools-script
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# 
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# This script should be installed as
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# "/usr/share/initramfs-tools/scripts/init-premount/mandos" which will
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# eventually be "/scripts/init-premount/mandos" in the initrd.img
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# file.
 
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# "/usr/share/initramfs-tools/scripts/local-top/mandos" which will
 
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# eventually be "/scripts/local-top/mandos" in the initrd.img file.
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PREREQ="udev"
 
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# No initramfs pre-requirements; we must instead run BEFORE cryptroot.
 
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# This is not a problem, since cryptroot forces itself to run LAST.
 
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PREREQ=""
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prereqs()
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{
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    echo "$PREREQ"
 
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     echo "$PREREQ"
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}
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case $1 in
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prereqs)
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        prereqs
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        exit 0
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        ;;
 
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     prereqs
 
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     exit 0
 
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     ;;
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esac
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. /scripts/functions
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for param in `cat /proc/cmdline`; do
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    case "$param" in
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        ip=*) IPOPTS="${param#ip=}" ;;
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        mandos=*)
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            # Split option line on commas
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            old_ifs="$IFS"
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            IFS="$IFS,"
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            for mpar in ${param#mandos=}; do
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                IFS="$old_ifs"
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                case "$mpar" in
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                    off) exit 0 ;;
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                    connect) connect="" ;;
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                    connect:*) connect="${mpar#connect:}" ;;
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                    *) log_warning_msg "$0: Bad option ${mpar}" ;;
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                esac
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            done
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            unset mpar
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            IFS="$old_ifs"
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            unset old_ifs
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            ;;
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    esac
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done
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unset param
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chmod a=rwxt /tmp
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test -r /conf/conf.d/cryptroot
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test -w /conf/conf.d
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# Get DEVICE from /conf/initramfs.conf and other files
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. /conf/initramfs.conf
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for conf in /conf/conf.d/*; do
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    [ -f ${conf} ] && . ${conf}
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done
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if [ -e /conf/param.conf ]; then
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    . /conf/param.conf
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fi
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# Override DEVICE from sixth field of ip= kernel option, if passed
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case "$IPOPTS" in
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    *:*:*:*:*:*)                # At least six fields
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        # Remove the first five fields
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        device="${IPOPTS#*:*:*:*:*:}"
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        # Remove all fields except the first one
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        DEVICE="${device%%:*}"
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        ;;
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esac
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# Add device setting (if any) to plugin-runner.conf
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if [ "${DEVICE+set}" = set ]; then
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    # Did we get the device from an ip= option?
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    if [ "${device+set}" = set ]; then
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        # Let ip= option override local config; append:
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        cat <<-EOF >>/conf/conf.d/mandos/plugin-runner.conf
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        --options-for=mandos-client:--interface=${DEVICE}
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EOF
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    else
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        # Prepend device setting so any later options would override:
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        sed -i -e \
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            '1i--options-for=mandos-client:--interface='"${DEVICE}" \
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            /conf/conf.d/mandos/plugin-runner.conf
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    fi
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fi
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unset device
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# If we are connecting directly, run "configure_networking" (from
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# /scripts/functions); it needs IPOPTS and DEVICE
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if [ "${connect+set}" = set ]; then
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    configure_networking
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    if [ -n "$connect" ]; then
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        cat <<-EOF >>/conf/conf.d/mandos/plugin-runner.conf
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        --options-for=mandos-client:--connect=${connect}
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EOF
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    fi
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fi
 
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test -w /conf/conf.d/cryptroot
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# Do not replace cryptroot file unless we need to.
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replace_cryptroot=no
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# Our keyscript
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mandos=/lib/mandos/plugin-runner
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test -x "$mandos"
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# parse /conf/conf.d/cryptroot.  Format:
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# target=sda2_crypt,source=/dev/sda2,key=none,keyscript=/foo/bar/baz