X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fpam_systemd.xml;h=951ae207a4a9568433de23c73ca0937b5d488efc;hb=404dac4d96f4aaf66026e8b412c4b67e8773cffa;hp=e790dd3c3dace612627b5ee8cc3af1d96c9fe167;hpb=160cd5c9aa2301892e13950015de7968c764340d;p=elogind.git
diff --git a/man/pam_systemd.xml b/man/pam_systemd.xml
index e790dd3c3..951ae207a 100644
--- a/man/pam_systemd.xml
+++ b/man/pam_systemd.xml
@@ -8,20 +8,20 @@
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
+ 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
- General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see .
-->
-
+pam_systemd
@@ -44,106 +44,72 @@
pam_systemd
- Register user sessions in the systemd control group hierarchy
+ Register user sessions in the systemd login manager
-
- pam_systemd.so
-
+ pam_systemd.soDescriptionpam_systemd registers user
- sessions in the systemd control group
- hierarchy.
+ sessions in the systemd login manager
+ systemd-logind.service8,
+ and hence the systemd control group hierarchy.
On login, this module ensures the following:
- If it does not exist yet the
+ If it does not exist yet, the
user runtime directory
- /var/run/user/$USER is
+ /run/user/$USER is
created and its ownership changed to the user
that is logging in.
- If
- is set the
+ The
$XDG_SESSION_ID environment
variable is initialized. If auditing is
available and
pam_loginuid.so run before
- this module (which es recommended), the
+ this module (which is highly recommended), the
variable is initialized from the auditing
session id
(/proc/self/sessionid). Otherwise
an independent session counter is
used.
- If
- is set a new
- control group
- /user/$USER/$XDG_SESSION_ID
- is created and the login process moved into
- it.
-
- If
- is set a new
- control group
- /user/$USER/no-session
- is created and the login process moved into
- it.
-
+ A new systemd scope unit is
+ created for the session. If this is the first
+ concurrent session of the user, an implicit
+ slice below user.slice is
+ automatically created and the scope placed in
+ it. In instance of the system service
+ user@.service which runs
+ the systemd user manager
+ instance.On logout, this module ensures the following:
- If
- $XDG_SESSION_ID is set and
- specified, all
- remaining processes in the
- /user/$USER/$XDG_SESSION_ID
- control group are killed and the control group
- removed.
-
- If
- $XDG_SESSION_ID is set and
- specified, all
- remaining processes in the
- /user/$USER/$XDG_SESSION_ID
- control group are migrated to
- /user/$USER/no-session and
- the original control group
- removed.
-
- If
- is specified, and
- no other user session control group remains
- except
- /user/$USER/no-session
- all remaining processes in the
- /user/$USER hierarchy
- are killed and the control group removed.
-
- If
- is specified, and
- no process remains in the
- /user/$USER hierarchy the
- control group is removed.
-
- If the
- /user/$USER control group
- was removed the
+ If this is enabled, all
+ processes of the session are terminated. If
+ the last concurrent session of a user ends, his
+ user systemd instance will be terminated too,
+ and so will the user's slice
+ unit.
+
+ If the last concurrent session
+ of a user ends, the
$XDG_RUNTIME_DIR directory
- and all its contents are
- removed, too.
+ and all its contents are removed,
+ too.If the system was not booted up with systemd as
- init system this module does nothing and immediately
+ init system, this module does nothing and immediately
returns PAM_SUCCESS.
@@ -153,60 +119,26 @@
The following options are understood:
-
-
-
-
- Takes a boolean
- argument. If true, a new session is
- created: the
- $XDG_SESSION_ID
- environment variable is set and the
- login process moved to the
- /user/$USER/$XDG_SESSION_ID
- control group. It is recommended that
- all services that 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,
- create-session=0
- should be set.
-
+
-
+
- Takes a boolean
- argument. If true, all processes
- created by the user during his session
- and from his session will be
- terminated when he logs out from his
- session.
+ Takes a string
+ argument which sets the session class.
+ The XDG_SESSION_CLASS environmental variable
+ takes precedence.
-
+ 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 and is
- more friendly for users logged in more
- than once as their processes are
- terminated only on their complete
- logout.
+ argument. If yes, the module will log
+ debugging information as it
+ operates.
-
- Note that setting kill-user=1
- or even kill-session=1 will break
- tools like
- screen1.
-
@@ -218,12 +150,14 @@
Environment
-
+ The following environment variables are set for the processes of the user's session:
+
+ $XDG_SESSION_IDA session identifier,
- suitable to be used in file names. The
+ suitable to be used in filenames. The
string itself should be considered
opaque, although often it is just the
audit session ID as reported by
@@ -252,13 +186,13 @@
in again, the directory contents will
have been lost in between, but
applications should not rely on this
- behaviour and must be able to deal with
+ behavior and must be able to deal with
stale files. To store session-private
- data in this directory the user should
+ data in this directory, the user should
include the value of $XDG_SESSION_ID
in the filename. This directory shall
be used for runtime file system
- objects such as AF_UNIX sockets,
+ objects such as AF_UNIX sockets,
FIFOs, PID files and similar. It is
guaranteed that this directory is
local and offers the greatest possible
@@ -279,17 +213,23 @@ 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 create-session=1 kill-user=1
+session required pam_systemd.so
See Also
+ systemd1,
+ systemd-logind.service8,
+ logind.conf5,
+ loginctl1,
pam.conf5,
pam.d5,
pam8,
pam_loginuid8,
- systemd1
+ systemd.scope5,
+ systemd.slice5,
+ systemd.service5