From c52f663bfa4f420044e6cd25bf84cec3c26ebf6f Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 27 Jun 2012 02:12:39 +0200
Subject: [PATCH] man: document tty-ask-password-agent

---
 Makefile.am                                   |   3 +-
 man/systemd-ask-password-console.service.xml  |   6 +
 man/systemd-tty-ask-password-agent.xml        | 166 ++++++++++++++++++
 .../tty-ask-password-agent.c                  |  12 +-
 4 files changed, 185 insertions(+), 2 deletions(-)
 create mode 100644 man/systemd-tty-ask-password-agent.xml

diff --git a/Makefile.am b/Makefile.am
index 84e372f93..eb36efdae 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -496,7 +496,8 @@ MANPAGES = \
 	man/systemd-halt.service.8 \
 	man/systemd-fsck@.service.8 \
 	man/systemd-ask-password-console.service.8 \
-	man/systemd-analyze.1
+	man/systemd-analyze.1 \
+	man/systemd-tty-ask-password-agent.1
 
 MANPAGES_ALIAS = \
 	man/reboot.8 \
diff --git a/man/systemd-ask-password-console.service.xml b/man/systemd-ask-password-console.service.xml
index 5a9e240f5..7017c0d1a 100644
--- a/man/systemd-ask-password-console.service.xml
+++ b/man/systemd-ask-password-console.service.xml
@@ -77,6 +77,12 @@
                 url="http://www.freedesktop.org/wiki/Software/systemd/PasswordAgents">
                 developer documentation</ulink> for more information
                 about the system password logic.</para>
+
+                <para>Note that these services invoke
+                <citerefentry><refentrytitle>systemd-ask-password-agent</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+                with the <command>--watch --console</command>
+                resp. <command>--watch --wall</command> command line
+                parameters.</para>
         </refsect1>
 
         <refsect1>
diff --git a/man/systemd-tty-ask-password-agent.xml b/man/systemd-tty-ask-password-agent.xml
new file mode 100644
index 000000000..2ada6475f
--- /dev/null
+++ b/man/systemd-tty-ask-password-agent.xml
@@ -0,0 +1,166 @@
+<?xml version='1.0'?> <!--*-nxml-*-->
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+        "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+<!--
+  This file is part of systemd.
+
+  Copyright 2010 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+-->
+
+<refentry id="systemd-tty-ask-password-agent">
+
+        <refentryinfo>
+                <title>systemd-tty-ask-password-agent</title>
+                <productname>systemd</productname>
+
+                <authorgroup>
+                        <author>
+                                <contrib>Developer</contrib>
+                                <firstname>Lennart</firstname>
+                                <surname>Poettering</surname>
+                                <email>lennart@poettering.net</email>
+                        </author>
+                </authorgroup>
+        </refentryinfo>
+
+        <refmeta>
+                <refentrytitle>systemd-tty-ask-password-agent</refentrytitle>
+                <manvolnum>1</manvolnum>
+        </refmeta>
+
+        <refnamediv>
+                <refname>systemd-tty-ask-password-agent</refname>
+                <refpurpose>List or process pending systemd password requests</refpurpose>
+        </refnamediv>
+
+        <refsynopsisdiv>
+                <cmdsynopsis>
+                        <command>systemd-tty-ask-password-agent <arg choice="opt" rep="repeat">OPTIONS</arg> <arg choice="opt" rep="repeat">VARIABLE=VALUE</arg></command>
+                </cmdsynopsis>
+        </refsynopsisdiv>
+
+        <refsect1>
+                <title>Description</title>
+
+                <para><command>systemd-tty-ask-password-agent</command>
+                is a password agent that handles password
+                requests of the system, for example for hard disk
+                encryption passwords or SSL certificate passwords that
+                need to be queried at boot-time or during
+                runtime.</para>
+
+                <para><command>systemd-tty-ask-password-agent</command>
+                implements the <ulink
+                url="http://www.freedesktop.org/wiki/Software/systemd/PasswordAgents">Password
+                Agents Specification</ulink>.</para>
+
+        </refsect1>
+
+        <refsect1>
+                <title>Options</title>
+
+                <para>The following options are understood:</para>
+
+                <variablelist>
+                        <varlistentry>
+                                <term><option>--h</option></term>
+                                <term><option>--help</option></term>
+
+                                <listitem><para>Prints a short help
+                                text and exits.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><option>--version</option></term>
+
+                                <listitem><para>Prints a short version
+                                string and exits.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><option>--list</option></term>
+
+                                <listitem><para>Lists all currently pending system password requests.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><option>--query</option></term>
+
+                                <listitem><para>Process all currently
+                                pending system password requests by
+                                querying the user on the calling
+                                TTY.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><option>--watch</option></term>
+
+                                <listitem><para>Continuously process
+                                password requests.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><option>--wall</option></term>
+
+                                <listitem><para>Forward password
+                                requests to
+                                <citerefentry><refentrytitle>wall</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+                                instead of querying the user on the
+                                calling TTY.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><option>--plymouth</option></term>
+
+                                <listitem><para>Ask question with
+                                <citerefentry><refentrytitle>plymouth</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+                                instead of querying the user on the
+                                calling TTY.</para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><option>--console</option></term>
+
+                                <listitem><para>Ask question on
+                                <filename>/dev/console</filename>
+                                instead of querying the user on the
+                                calling TTY.  </para></listitem>
+                        </varlistentry>
+
+                </variablelist>
+
+        </refsect1>
+
+        <refsect1>
+                <title>Exit status</title>
+
+                <para>On success 0 is returned, a non-zero failure
+                code otherwise.</para>
+        </refsect1>
+
+        <refsect1>
+                <title>See Also</title>
+                <para>
+                        <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+                        <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+                        <citerefentry><refentrytitle>systemd-ask-password-console.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+                        <citerefentry><refentrytitle>wall</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+                        <citerefentry><refentrytitle>plymouth</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+                </para>
+        </refsect1>
+
+</refentry>
diff --git a/src/tty-ask-password-agent/tty-ask-password-agent.c b/src/tty-ask-password-agent/tty-ask-password-agent.c
index 0dec0629c..2e74a2597 100644
--- a/src/tty-ask-password-agent/tty-ask-password-agent.c
+++ b/src/tty-ask-password-agent/tty-ask-password-agent.c
@@ -40,6 +40,7 @@
 #include "socket-util.h"
 #include "ask-password-api.h"
 #include "strv.h"
+#include "build.h"
 
 static enum {
         ACTION_LIST,
@@ -638,6 +639,7 @@ static int help(void) {
         printf("%s [OPTIONS...]\n\n"
                "Process system password requests.\n\n"
                "  -h --help     Show this help\n"
+               "     --version  Show package version\n"
                "     --list     Show pending password requests\n"
                "     --query    Process pending password requests\n"
                "     --watch    Continuously process password requests\n"
@@ -657,11 +659,13 @@ static int parse_argv(int argc, char *argv[]) {
                 ARG_WATCH,
                 ARG_WALL,
                 ARG_PLYMOUTH,
-                ARG_CONSOLE
+                ARG_CONSOLE,
+                ARG_VERSION
         };
 
         static const struct option options[] = {
                 { "help",     no_argument, NULL, 'h'          },
+                { "version",  no_argument, NULL, ARG_VERSION  },
                 { "list",     no_argument, NULL, ARG_LIST     },
                 { "query",    no_argument, NULL, ARG_QUERY    },
                 { "watch",    no_argument, NULL, ARG_WATCH    },
@@ -684,6 +688,12 @@ static int parse_argv(int argc, char *argv[]) {
                         help();
                         return 0;
 
+                case ARG_VERSION:
+                        puts(PACKAGE_STRING);
+                        puts(DISTRIBUTION);
+                        puts(SYSTEMD_FEATURES);
+                        return 0;
+
                 case ARG_LIST:
                         arg_action = ACTION_LIST;
                         break;
-- 
2.30.2