/mandos/trunk

To get this branch, use:
bzr branch http://bzr.recompile.se/loggerhead/mandos/trunk

« back to all changes in this revision

Viewing changes to intro.xml

  • Committer: Teddy Hogeborn
  • Date: 2019-07-27 10:11:45 UTC
  • Revision ID: teddy@recompile.se-20190727101145-jnpbpf8220gldbcd
Add dracut(8) support

Add support for the dracut(8) system for generating initramfs image
files; dracut is an alternative to the "initramfs-tools" package.

* .bzrignore (dracut-module/password-agent): Ignore new binary file.
* dracut-module: New directory for the dracut module.
* INSTALL (Prerequisites/Libraries/Mandos Client): Add dracut as an
                                                   alternative to
                                                   initramfs-tools,
                                                   and also add GLib.
* Makefile (DRACUTMODULE, GLIB_CFLAGS, GLIB_LIBS): New.
  (CPROGS): Add "dracut-module/password-agent".
  (DOCS): Add "dracut-module/password-agent.8mandos".
  (dracut-module/password-agent.8mandos): New.
  (dracut-module/password-agent.8mandos.xhtml): - '' -
  (dracut-module/password-agent): - '' -
  (check): Add command to run tests of password-agent(8mandos).
  (install-client-nokey): Also install the dracut module directory,
                          its files, and the password-agent(8mandos)
                          manual page.
  (install-client): To update the initramfs image file, run
                    update-initramfs or dracut depending on what is
                    installed.
  (uninstall-client): - '' - and also uninstall the the files in the
                      dracut module directory, that directory itself,
                      and the password-agent(8mandos) manual page.
* debian/control (Build-Depends): Add "libglib2.0-dev (>=2.40)".
  (Package: mandos-client/Depends): Add "dracut (>= 044+241-3)" as an
                                    alternative dependency to
                                    initramfs-tools.
  (Package: mandos-client/Conflicts): New; set to
                                      "dracut-config-generic".
  (debian/mandos-client.README.Debian): Document alternative commands
                                        to update the initramfs image
                                        for when dracut is used.
* debian/mandos-client.postinst (update_initramfs): Use alternative
                                                    commands to update
                                                    the initramfs
                                                    image for when
                                                    dracut is used.
* debian/tests/control (password-agent, password-agent-suid): Add two
                                                              new tests.
* dracut-module/ask-password-mandos.path: New.
* dracut-module/ask-password-mandos.service: - '' -
* dracut-module/cmdline-mandos.sh: - '' -
* dracut-module/module-setup.sh: - '' -
* dracut-module/password-agent.c: - '' -
* dracut-module/password-agent.xml: - '' -
* initramfs-unpack: Use the dracut "skipcpio" command, if available.
                    Also be more flexible and try hard to detect where
                    compressed data starts.
* plugins.d/mandos-client.xml (SECURITY): Be more precise that the
                                          mandos-client binary might
                                          not always be setuid, but
                                          that the program assumes
                                          that it has been started
                                          that way.
* plugins.d/password-prompt.c: Add new "--prompt" option.
  (conflict_detection): First try to detect the new PID file of
                        plymouth.
  (main): Define and use new "prompt" variable.
* plugins.d/password-prompt.xml (SYNOPSIS): Show new --prompt option.
  (DESCRIPTION): Describe new behavior of looking for plymouth PID
                 file.
  (OPTIONS): Document new "--prompt" option.
  (ENVIRONMENT): Clarify that the CRYPTTAB_SOURCE and CRYPTTAB_NAME
                 environment variables are not used if the --prompt
                 option is used.  Remove unnecessarily specific
                 details about where the CRYPTTAB_SOURCE and
                 CRYPTTAB_NAME comes from, since this can now be
                 either initramfs-tools or dracut.
  (SEE ALSO): Remove superfluous crypttab(5) reference, and add commas
              to separate the other references.
* plugins.d/plymouth.c: Add new "--prompt" and "--debug" options.
  (debug): New global flag.
  (fprintf_plus): New function, used for debug output.
  (exec_and_wait): Add extra "const" to "argv" argument.
  (main): Define and use new "prompt" variable.  Add debug output.
  (main/options, main/parse_opt): New; used to parse options.
* plugins.d/plymouth.xml (SYNOPSIS): Show new options.
  (OPTIONS): Document new options.
  (ENVIRONMENT): Clarify that the cryptsource and crypttarget
                 environment variables are not used if the --prompt
                 option is used.  Remove unnecessarily specific
                 details about where the cryptsource and crypttarget
                 comes from, since this can now be either
                 initramfs-tools or dracut.
  (EXAMPLE): Add an example using an option.
  (SEE ALSO): Remove superfluous crypttab(5) reference.
* plugins.d/splashy.xml (ENVIRONMENT): Clarify that the cryptsource
                                       and crypttarget environment
                                       variables are not used if the
                                       --prompt option is used.
                                       Remove unnecessarily specific
                                       details about where the
                                       cryptsource and crypttarget
                                       comes from, since this can now
                                       be either initramfs-tools or
                                       dracut.
  (SEE ALSO): Remove superfluous crypttab(5) reference.
* plugins.d/usplash.xml (ENVIRONMENT): Clarify that the cryptsource
                                       and crypttarget environment
                                       variables are not used if the
                                       --prompt option is used.
                                       Remove unnecessarily specific
                                       details about where the
                                       cryptsource and crypttarget
                                       comes from, since this can now
                                       be either initramfs-tools or
                                       dracut.
  (SEE ALSO): Remove superfluous crypttab(5) reference.

Show diffs side-by-side

added added

removed removed

Lines of Context:
1
1
<?xml version="1.0" encoding="UTF-8"?>
2
2
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3
3
"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4
 
<!ENTITY TIMESTAMP "2019-08-04">
 
4
<!ENTITY TIMESTAMP "2019-04-10">
5
5
<!ENTITY % common SYSTEM "common.ent">
6
6
%common;
7
7
]>
384
384
      plugin requirements.
385
385
    </para>
386
386
  </refsect1>
387
 
 
388
 
  <refsect1 id="systemd">
389
 
    <title>SYSTEMD</title>
390
 
    <para>
391
 
      More advanced startup systems like <citerefentry><refentrytitle
392
 
      >systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
393
 
      already have their own plugin-like mechanisms for allowing
394
 
      multiple agents to independently retrieve a password and deliver
395
 
      it to the subsystem requesting a password to unlock the root
396
 
      file system.  On these systems, it would make no sense to run
397
 
      <citerefentry><refentrytitle>plugin-runner</refentrytitle
398
 
      ><manvolnum>8mandos</manvolnum></citerefentry>, the plugins of
399
 
      which would largely duplicate the work of (and conflict with)
400
 
      the existing systems prompting for passwords.
401
 
    </para>
402
 
    <para>
403
 
      As for <citerefentry><refentrytitle>systemd</refentrytitle
404
 
      ><manvolnum>1</manvolnum></citerefentry> in particular, it has
405
 
      its own <ulink
406
 
      url="https://www.freedesktop.org/wiki/Software/systemd/PasswordAgents/"
407
 
      >Password Agents</ulink> system.  Mandos uses this via its
408
 
      <citerefentry><refentrytitle>password-agent</refentrytitle
409
 
      ><manvolnum>8mandos</manvolnum></citerefentry> program, which
410
 
      is run instead of <citerefentry><refentrytitle
411
 
      >plugin-runner</refentrytitle><manvolnum>8mandos</manvolnum
412
 
      ></citerefentry> when <citerefentry><refentrytitle
413
 
      >systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
414
 
      is used during system startup.
415
 
    </para>
416
 
  </refsect1>
 
387
  
417
388
  <refsect1 id="bugs">
418
389
    <title>BUGS</title>
419
390
    <xi:include href="bugs.xml"/>
434
405
      <manvolnum>8</manvolnum></citerefentry>,
435
406
      <citerefentry><refentrytitle>plugin-runner</refentrytitle>
436
407
      <manvolnum>8mandos</manvolnum></citerefentry>,
437
 
      <citerefentry><refentrytitle>password-agent</refentrytitle>
438
 
      <manvolnum>8mandos</manvolnum></citerefentry>,
439
408
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
440
409
      <manvolnum>8mandos</manvolnum></citerefentry>,
441
410
      <citerefentry><refentrytitle>password-prompt</refentrytitle>