[systemd-commits] 4 commits - Makefile.am man/pam_systemd.xml man/systemd-logind.conf.xml src/logind.c src/logind-dbus.c src/logind.h src/pam-module.c src/systemd-logind.conf src/user.conf
Lennart Poettering
lennart at kemper.freedesktop.org
Tue Jun 28 17:48:36 PDT 2011
Makefile.am | 1
man/pam_systemd.xml | 154 ++++++++++----------------------------
man/systemd-logind.conf.xml | 174 ++++++++++++++++++++++++++++++++++++++++++++
src/logind-dbus.c | 6 +
src/logind.c | 11 ++
src/logind.h | 3
src/pam-module.c | 40 ----------
src/systemd-logind.conf | 16 ++++
src/user.conf | 17 ++++
9 files changed, 268 insertions(+), 154 deletions(-)
New commits:
commit 4fa4c2ac6ecb064c2a6c8677f7660534002f8cfe
Author: Lennart Poettering <lennart at poettering.net>
Date: Wed Jun 29 02:48:29 2011 +0200
logind: fix typo in config parser
diff --git a/src/logind.c b/src/logind.c
index 28ba58b..d7d04a2 100644
--- a/src/logind.c
+++ b/src/logind.c
@@ -1158,7 +1158,7 @@ static int manager_parse_config_file(Manager *m) {
const ConfigItem items[] = {
{ "NAutoVTs", config_parse_unsigned, 0, &m->n_autovts, "Login" },
{ "KillUserProcesses", config_parse_bool, 0, &m->kill_user_processes, "Login" },
- { "KilOnlyUsers", config_parse_strv, 0, &m->kill_only_users, "Login" },
+ { "KillOnlyUsers", config_parse_strv, 0, &m->kill_only_users, "Login" },
{ "KillExcludeUsers", config_parse_strv, 0, &m->kill_exclude_users, "Login" },
{ "Controllers", config_parse_strv, 0, &m->controllers, "Login" },
{ "ResetControllers", config_parse_strv, 0, &m->reset_controllers, "Login" },
commit c36eecdfcb4afa09850002fbb81a95a24ffde599
Author: Lennart Poettering <lennart at poettering.net>
Date: Wed Jun 29 02:46:20 2011 +0200
man: update pam_systemd page to document new behaviour
diff --git a/man/pam_systemd.xml b/man/pam_systemd.xml
index 7d5fcad..883b50b 100644
--- a/man/pam_systemd.xml
+++ b/man/pam_systemd.xml
@@ -69,8 +69,7 @@
created and its ownership changed to the user
that is logging in.</para></listitem>
- <listitem><para>If
- <option>create-session=1</option> is set, the
+ <listitem><para>The
<varname>$XDG_SESSION_ID</varname> environment
variable is initialized. If auditing is
available and
@@ -82,20 +81,10 @@
an independent session counter is
used.</para></listitem>
- <listitem><para>If
- <option>create-session=1</option> is set, a new
- control group
+ <listitem><para>A new control group
<filename>/user/$USER/$XDG_SESSION_ID</filename>
is created and the login process moved into
it.</para></listitem>
-
- <listitem><para>If
- <option>create-session=0</option> is set, a new
- control group
- <filename>/user/$USER/user</filename>
- is created and the login process moved into
- it.</para></listitem>
-
</orderedlist>
<para>On logout, this module ensures the following:</para>
@@ -103,38 +92,13 @@
<orderedlist>
<listitem><para>If
<varname>$XDG_SESSION_ID</varname> is set and
- <option>kill-session=1</option> specified, all
+ <option>kill-session-processes=1</option> specified, all
remaining processes in the
<filename>/user/$USER/$XDG_SESSION_ID</filename>
control group are killed and the control group
is removed.</para></listitem>
- <listitem><para>If
- <varname>$XDG_SESSION_ID</varname> is set and
- <option>kill-session=0</option> specified, all
- remaining processes in the
- <filename>/user/$USER/$XDG_SESSION_ID</filename>
- control group are migrated to
- <filename>/user/$USER/user</filename> and
- the original control group is
- removed.</para></listitem>
-
- <listitem><para>If
- <option>kill-user=1</option> is specified, and
- no other user session control group remains,
- except
- <filename>/user/$USER/user</filename>,
- all remaining processes in the
- <filename>/user/$USER</filename> hierarchy
- are killed and the control group is removed.</para></listitem>
-
- <listitem><para>If
- <option>kill-user=0</option> is specified, and
- no process remains in the
- <filename>/user/$USER</filename> hierarchy the
- control group is removed.</para></listitem>
-
- <listitem><para>If the
+ <listitem><para>If last subgroup of the
<filename>/user/$USER</filename> control group
was removed the
<varname>$XDG_RUNTIME_DIR</varname> directory
@@ -155,27 +119,7 @@
<variablelist>
<varlistentry>
- <term><option>create-session=</option></term>
-
- <listitem><para>Takes a boolean
- argument. If true, a new session is
- created: the
- <varname>$XDG_SESSION_ID</varname>
- environment variable is set and the
- login process moved to the
- <filename>/user/$USER/$XDG_SESSION_ID</filename>
- control group. It is recommended that
- all services which are directly created
- on the user's behalf set this
- option. Only for services that shall
- automatically be terminated when the
- user logs out completely, otherwise
- <varname>create-session=0</varname>
- should be set.</para></listitem>
- </varlistentry>
-
- <varlistentry>
- <term><option>kill-session=</option></term>
+ <term><option>kill-session-processes=</option></term>
<listitem><para>Takes a boolean
argument. If true, all processes
@@ -186,30 +130,13 @@
</varlistentry>
<varlistentry>
- <term><option>kill-user=</option></term>
-
- <listitem><para>Takes a boolean
- argument. If true, all processes
- created by the user during his session
- and from his session will be
- terminated after he logged out
- completely. This is a weaker version
- of <option>kill-session=1</option> and is
- more friendly for users logged in more
- than once, as their processes are
- terminated only on their complete
- logout.</para></listitem>
- </varlistentry>
-
- <varlistentry>
<term><option>kill-only-users=</option></term>
<listitem><para>Takes a comma
separated list of user names or
numeric user ids as argument. If this
option is used the effect of the
- <option>kill-session=</option> and
- <option>kill-user=</option> options
+ <option>kill-session-processes=</option> options
will apply only to the listed
users. If this option is not used the
option applies to all local
@@ -228,8 +155,7 @@
numeric user ids as argument. Users
listed in this argument will not be
subject to the effect of
- <option>kill-session=</option> or
- <option>kill-user=</option>. Note
+ <option>kill-session-processes=</option>. Note
that that this option takes precedence
over
<option>kill-only-users=</option>, and
@@ -245,56 +171,59 @@
<term><option>controllers=</option></term>
<listitem><para>Takes a comma
- separated list of cgroup controllers
- in which hierarchies a user/session
- cgroup will be created by default for
- each user logging in, in addition to
- the cgroup in the named 'name=systemd'
+ separated list of control group
+ controllers in which hierarchies a
+ user/session control group will be
+ created by default for each user
+ logging in, in addition to the control
+ group in the named 'name=systemd'
hierarchy. If omitted, defaults to an
- empty list. This may be used to move
- user sessions into their own groups in
- the 'cpu' hierarchy which ensures that
- every logged in user gets an equal
- amount of CPU time regardless how many
- processes he has
- started.</para></listitem>
+ empty list.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>reset-controllers=</option></term>
<listitem><para>Takes a comma
- separated list of cgroup controllers
- in which hierarchies the logged in
- processes will be reset to the root
- cgroup. If omitted, defaults to 'cpu',
- meaning that a 'cpu' cgroup grouping
- inherited from the login manager will
- be reset for the processes of the
- logged in user.</para></listitem>
+ separated list of control group
+ controllers in which hierarchies the
+ logged in processes will be reset to
+ the root control
+ group.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>debug=</option></term>
<listitem><para>Takes a boolean
- argument. If true, logs debugging
- information.</para></listitem>
+ argument. If yes, the module will log
+ debugging information as it
+ operates.</para></listitem>
</varlistentry>
</variablelist>
- <para>Note that setting <varname>kill-user=1</varname>
- or even <varname>kill-session=1</varname> will break
- tools like
+ <para>Note that setting
+ <varname>kill-session-processes=1</varname> will break tools
+ like
<citerefentry><refentrytitle>screen</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</para>
+ <para>Note that
+ <varname>kill-session-processes=1</varname> is a
+ stricter version of
+ <varname>KillUserProcesses=1</varname> which may be
+ configured system-wide in
+ <citerefentry><refentrytitle>systemd-logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>. The
+ former kills processes of a session as soon as it
+ ends, the latter kills processes as soon as the last
+ session of the user ends.</para>
+
<para>If the options are omitted they default to
- <option>create-session=1</option>,
- <option>kill-session=0</option>,
- <option>kill-user=0</option>,
- <option>reset-controllers=cpu</option>,
+ <option>kill-session-processes=0</option>,
<option>kill-only-users=</option>,
- <option>kill-exclude-users=root</option>.</para>
+ <option>kill-exclude-users=</option>,
+ <option>controllers=</option>,
+ <option>reset-controllers=</option>,
+ <option>debug=no</option>.</para>
</refsect1>
<refsect1>
@@ -369,7 +298,7 @@ account required pam_unix.so
password required pam_unix.so
session required pam_unix.so
session required pam_loginuid.so
-session required pam_systemd.so kill-user=1</programlisting>
+session required pam_systemd.so kill-session-processes=1</programlisting>
</refsect1>
<refsect1>
@@ -379,6 +308,7 @@ session required pam_systemd.so kill-user=1</programlisting>
<citerefentry><refentrytitle>pam.d</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>pam</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>pam_loginuid</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd-logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
</para>
</refsect1>
diff --git a/man/systemd-logind.conf.xml b/man/systemd-logind.conf.xml
index 889bd15..2dc9994 100644
--- a/man/systemd-logind.conf.xml
+++ b/man/systemd-logind.conf.xml
@@ -147,6 +147,20 @@
<literal>cpu</literal>.</para></listitem>
</varlistentry>
</variablelist>
+
+ <para>Note that setting
+ <varname>KillUserProcesses=1</varname> will break tools
+ like
+ <citerefentry><refentrytitle>screen</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</para>
+
+ <para>Note that <varname>KillUserProcesses=1</varname>
+ is a weaker version of
+ <varname>kill-session-processes=1</varname> which may
+ be configured per-service for
+ <citerefentry><refentrytitle>pam_systemd</refentrytitle><manvolnum>8</manvolnum></citerefentry>. The
+ latter kills processes of a session as soon as it
+ ends, the former kills processes as soon as the last
+ session of the user ends.</para>
</refsect1>
<refsect1>
diff --git a/src/logind.h b/src/logind.h
index df1364f..59ea799 100644
--- a/src/logind.h
+++ b/src/logind.h
@@ -36,9 +36,9 @@
*
* spawn user systemd
* direct client API
- * add configuration file man page
* verify access to SetIdleHint
* add FlushDevices bus call
+ * hook up ACL tool for udev
*
* udev:
* drop redundant udev_device_get_is_initialized() use as soon as libudev is fixed
diff --git a/src/pam-module.c b/src/pam-module.c
index 90da898..a15b4ca 100644
--- a/src/pam-module.c
+++ b/src/pam-module.c
@@ -57,9 +57,9 @@ static int parse_argv(pam_handle_t *handle,
for (i = 0; i < (unsigned) argc; i++) {
int k;
- if (startswith(argv[i], "kill-processes=")) {
- if ((k = parse_boolean(argv[i] + 15)) < 0) {
- pam_syslog(handle, LOG_ERR, "Failed to parse kill-processes= argument.");
+ if (startswith(argv[i], "kill-session-processes=")) {
+ if ((k = parse_boolean(argv[i] + 23)) < 0) {
+ pam_syslog(handle, LOG_ERR, "Failed to parse kill-session-processes= argument.");
return k;
}
commit 8fa365e5864c85bae31207c4c2ece4dc7b5b9136
Author: Lennart Poettering <lennart at poettering.net>
Date: Wed Jun 29 02:27:53 2011 +0200
logind: add man page for configuration file
diff --git a/Makefile.am b/Makefile.am
index c288ad4..940892c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -626,6 +626,7 @@ MANPAGES = \
man/shutdown.8 \
man/pam_systemd.8 \
man/systemd.conf.5 \
+ man/systemd-logind.conf.5 \
man/tmpfiles.d.5 \
man/hostname.5 \
man/machine-id.5 \
diff --git a/man/systemd-logind.conf.xml b/man/systemd-logind.conf.xml
new file mode 100644
index 0000000..889bd15
--- /dev/null
+++ b/man/systemd-logind.conf.xml
@@ -0,0 +1,160 @@
+<?xml version='1.0'?> <!--*-nxml-*-->
+<?xml-stylesheet type="text/xsl" href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl"?>
+<!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 General Public License as published by
+ the Free Software Foundation; either version 2 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
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+-->
+
+<refentry id="systemd-logind.conf">
+ <refentryinfo>
+ <title>systemd-logind.conf</title>
+ <productname>systemd</productname>
+
+ <authorgroup>
+ <author>
+ <contrib>Developer</contrib>
+ <firstname>Lennart</firstname>
+ <surname>Poettering</surname>
+ <email>lennart at poettering.net</email>
+ </author>
+ </authorgroup>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>systemd-logind.conf</refentrytitle>
+ <manvolnum>5</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>systemd-logind.conf</refname>
+ <refpurpose>login manager configuration file</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <para><filename>systemd-login.conf</filename></para>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para>This files configures various parameters of the systemd login manager.</para>
+
+ </refsect1>
+
+ <refsect1>
+ <title>Options</title>
+
+ <para>All options are configured in the
+ <literal>[Login]</literal> section:</para>
+
+ <variablelist>
+
+ <varlistentry>
+ <term><varname>NAutoVTs=</varname></term>
+
+ <listitem><para>Takes a positive
+ integer. How many virtual terminals to
+ allocate by default and when switched
+ to autospawn <literal>autovt</literal>
+ services on (if they are otherwise
+ unused). These services are
+ instantiated from a template of
+ <filename>autovt at .service</filename>
+ with the virtual terminal TTY name,
+ e.g. <filename>autovt at tty4.service</filename>. By
+ default
+ <filename>autovt at .service</filename>
+ is linked to
+ <filename>getty at .service</filename>,
+ i.e. login prompts are started
+ dynamically as the user switches to
+ unused virtual terminals, and this
+ parameter hence controls how many
+ gettys are available on the virtual
+ terminals. Defaults to 6. When set to
+ 0, automatic spawning of
+ <literal>autovt</literal> services is
+ disabled.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>KillUserProcesses=</varname></term>
+
+ <listitem><para>Takes a boolean
+ argument. Configures whether the
+ processes of a user should be killed
+ when she or he completely logs out (i.e. after
+ her/his last session ended). Defaults to
+ <literal>no</literal>.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>KillOnlyUsers=</varname></term>
+ <term><varname>KillExcludeUsers=</varname></term>
+
+ <listitem><para>These settings take
+ space separated lists of user names
+ that influence the effect of
+ <varname>KillUserProcesses=</varname>. If
+ not empty only processes of users
+ listed in
+ <varname>KillOnlyUsers</varname> will
+ be killed when they log out
+ entirely. Processes of users listed in
+ <varname>KillExcludeUsers=</varname>
+ are excluded from being
+ killed. <varname>KillExcludeUsers=</varname>
+ defaults to <literal>root</literal>
+ and takes precedence over
+ <varname>KillOnlyUsers=</varname>
+ which defaults to the empty list.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>Controllers=</varname></term>
+ <term><varname>ResetControllers=</varname></term>
+
+ <listitem><para>These settings control
+ the default control group hierarchies
+ users logging are added to. When
+ logging in users will get private
+ control groups in all hierarchies
+ listed in
+ <varname>Controllers=</varname> and be
+ reset to the root control group in all
+ hierarchies listed in
+ <varname>ResetControllers=</varname>. <varname>Controllers=</varname>
+ defaults to the empty list,
+ <varname>ResetControllers=</varname>
+ defaults to
+ <literal>cpu</literal>.</para></listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+
+ <refsect1>
+ <title>See Also</title>
+ <para>
+ <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ </para>
+ </refsect1>
+
+</refentry>
diff --git a/src/systemd-logind.conf b/src/systemd-logind.conf
new file mode 100644
index 0000000..9909804
--- /dev/null
+++ b/src/systemd-logind.conf
@@ -0,0 +1,16 @@
+# This file is part of systemd.
+#
+# systemd is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# See system-logind.conf(5) for details
+
+[Login]
+#NAutoVTs=6
+#KillUserProcesses=no
+#KillOnlyUsers=
+#KillExcludeUsers=root
+#Controllers=
+#ResetControllers=cpu
diff --git a/src/user.conf b/src/user.conf
new file mode 100644
index 0000000..9508a02
--- /dev/null
+++ b/src/user.conf
@@ -0,0 +1,17 @@
+# This file is part of systemd.
+#
+# systemd is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# See systemd.conf(5) for details
+
+[Manager]
+#LogLevel=info
+#LogTarget=console
+#LogColor=yes
+#LogLocation=no
+#DefaultControllers=cpu
+#DefaultStandardOutput=inherit
+#DefaultStandardError=inherit
commit 25d934917d3dd2ab10e8acc9a6bacd8c7f2f1067
Author: Lennart Poettering <lennart at poettering.net>
Date: Wed Jun 29 02:27:16 2011 +0200
logind: move default reset controller/kill exclude list into logind
diff --git a/src/logind-dbus.c b/src/logind-dbus.c
index 69e6b18..9352598 100644
--- a/src/logind-dbus.c
+++ b/src/logind-dbus.c
@@ -316,7 +316,8 @@ static int bus_manager_create_session(Manager *m, DBusMessage *message, DBusMess
if (r < 0)
return -EINVAL;
- if (!dbus_message_iter_next(&iter) ||
+ if (strv_contains(controllers, "systemd") ||
+ !dbus_message_iter_next(&iter) ||
dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRING) {
r = -EINVAL;
@@ -327,7 +328,8 @@ static int bus_manager_create_session(Manager *m, DBusMessage *message, DBusMess
if (r < 0)
goto fail;
- if (!dbus_message_iter_next(&iter) ||
+ if (strv_contains(reset_controllers, "systemd") ||
+ !dbus_message_iter_next(&iter) ||
dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN) {
r = -EINVAL;
goto fail;
diff --git a/src/logind.c b/src/logind.c
index 94cb6cd..28ba58b 100644
--- a/src/logind.c
+++ b/src/logind.c
@@ -56,7 +56,14 @@ Manager *manager_new(void) {
m->cgroups = hashmap_new(string_hash_func, string_compare_func);
m->fifo_fds = hashmap_new(trivial_hash_func, trivial_compare_func);
- if (!m->devices || !m->seats || !m->sessions || !m->users) {
+ if (!m->devices || !m->seats || !m->sessions || !m->users || !m->cgroups || !m->fifo_fds) {
+ manager_free(m);
+ return NULL;
+ }
+
+ m->reset_controllers = strv_new("cpu", NULL);
+ m->kill_exclude_users = strv_new("root", NULL);
+ if (!m->reset_controllers || !m->kill_exclude_users) {
manager_free(m);
return NULL;
}
diff --git a/src/logind.h b/src/logind.h
index 8da409b..df1364f 100644
--- a/src/logind.h
+++ b/src/logind.h
@@ -36,8 +36,9 @@
*
* spawn user systemd
* direct client API
- * add configuration file
+ * add configuration file man page
* verify access to SetIdleHint
+ * add FlushDevices bus call
*
* udev:
* drop redundant udev_device_get_is_initialized() use as soon as libudev is fixed
diff --git a/src/pam-module.c b/src/pam-module.c
index e1ad8c9..90da898 100644
--- a/src/pam-module.c
+++ b/src/pam-module.c
@@ -50,8 +50,6 @@ static int parse_argv(pam_handle_t *handle,
bool *debug) {
unsigned i;
- bool reset_controller_set = false;
- bool kill_exclude_users_set = false;
assert(argc >= 0);
assert(argc == 0 || argv);
@@ -107,8 +105,6 @@ static int parse_argv(pam_handle_t *handle,
*reset_controllers = l;
}
- reset_controller_set = true;
-
} else if (startswith(argv[i], "kill-only-users=")) {
if (kill_only_users) {
@@ -137,8 +133,6 @@ static int parse_argv(pam_handle_t *handle,
*kill_exclude_users = l;
}
- kill_exclude_users_set = true;
-
} else if (startswith(argv[i], "debug=")) {
if ((k = parse_boolean(argv[i] + 6)) < 0) {
pam_syslog(handle, LOG_ERR, "Failed to parse debug= argument.");
@@ -159,34 +153,6 @@ static int parse_argv(pam_handle_t *handle,
}
}
- if (!reset_controller_set && reset_controllers) {
- char **l;
-
- if (!(l = strv_new("cpu", NULL))) {
- pam_syslog(handle, LOG_ERR, "Out of memory");
- return -ENOMEM;
- }
-
- *reset_controllers = l;
- }
-
- if (controllers)
- strv_remove(*controllers, SYSTEMD_CGROUP_CONTROLLER);
-
- if (reset_controllers)
- strv_remove(*reset_controllers, SYSTEMD_CGROUP_CONTROLLER);
-
- if (!kill_exclude_users_set && kill_exclude_users) {
- char **l;
-
- if (!(l = strv_new("root", NULL))) {
- pam_syslog(handle, LOG_ERR, "Out of memory");
- return -ENOMEM;
- }
-
- *kill_exclude_users = l;
- }
-
return 0;
}
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