update TODO

[elogind.git] / TODO

diff --git a/TODO b/TODO
index 5d6fd30419b223dd6c5eb87d071ea1e40badfc91..f94abad0e0a45abdc464975bd31ba00b1d7ac70d 100644 (file)
--- a/TODO
+++ b/TODO
@@ -10,9 +10,6 @@ Bugfixes:
 
 * properly handle .mount unit state tracking when two mount points are stacked one on top of another on the exact same mount point.
 
 
 * properly handle .mount unit state tracking when two mount points are stacked one on top of another on the exact same mount point.
 

-* When we detect invalid UTF-8, we cannot use it in an error message:
-  log...("Path is not UTF-8 clean, ignoring assignment: %s", rvalue);
-

 * shorten the message to sane length:
 
   Cannot add dependency job for unit display-manager.service, ignoring: Unit display-manager.service failed to load: No such file or directory. See system logs and 'systemctl status display-manager.service' for details.
 * shorten the message to sane length:
 
   Cannot add dependency job for unit display-manager.service, ignoring: Unit display-manager.service failed to load: No such file or directory. See system logs and 'systemctl status display-manager.service' for details.


@@ -21,8 +18,6 @@ Bugfixes:
 
 External:
 
 
 External:
 

-* ps should gain colums for slice
-

 * Fedora: when installing fedora with yum --installroot /var/run is a directory, not a symlink
    https://bugzilla.redhat.com/show_bug.cgi?id=975864
 
 * Fedora: when installing fedora with yum --installroot /var/run is a directory, not a symlink
    https://bugzilla.redhat.com/show_bug.cgi?id=975864
 


@@ -32,6 +27,63 @@ External:
 
 Features:
 
 
 Features:
 

+* add bus api to query unit file's X fields.
+
+* consider adding RuntimeDirectoryUser= + RuntimeDirectoryGroup=
+
+* sd-event: define more intervals where we will shift wakeup intervals around in, 1h, 6h, 24h, ...
+
+* maybe add DefaultTimerAccuracySec= as global config option to set AccuracySec='s default value in .timer units
+
+* gpt-auto-generator:
+  - Support LUKS for root devices
+  - Define new partition type for encrypted swap? Support probed LUKS for encrypted swap?
+  - Make /home automount rather than mount?
+
+* improve journalctl performance by loading journal files
+  lazily. Encode just enough information in the file name, so that we
+  don't have to open it to know that it is not interesting for us, for
+  the most common operations.
+
+* support transient mount units
+
+* Imply DevicePolicy=closed when PrivateDevices= is used. Mount
+  pts+kdbus+shm+mqueue into /dev namespace
+
+* add an "input" group to udev logic and add all input devices to it
+
+* machined: provide calls GetMachineByAddress() on the manager
+  interface to get the machine for a local IP address, and
+  GetAddress() on the Machine interface to get the Address for a
+  machine. Implement via forking off child process which quickly joins
+  the cotnainer and passes data to parent. Show this in "machinectl
+  status", and use it to implement NSS module to provide automatic
+  name resolution for containers.
+
+* add generator that pulls in systemd-network from containers when
+  CAP_NET_ADMIN is set, more than the loopback device is defined, even
+  when it is otherwise off
+
+* MessageQueueMessageSize= and RLimitFSIZE= (and suchlike) should use parse_iec_size().
+
+* "busctl status" works only as root on dbus1, since we cannot read
+  /proc/$PID/exe
+
+* systemctl: support --recursive for list-sockets, list-timers,
+  ... too, not just for list-units.
+
+* implement Distribute= in socket units to allow running multiple
+  service instances processing the listening socket, and open this up
+  for ReusePort=
+
+* socket units: support creating sockets in different namespace,
+  opening it up for JoinsNamespaceOf=. This would require to fork off
+  a tiny process that joins the namespace and creates/binds the socket
+  and passes this back to PID1 via SCM_RIGHTS. This also could be used
+  to allow Chown/chgrp on sockets without requiring NSS in PID 1.
+
+* New service property: maximum CPU and wallclock runtime for a service
+

 * introduce bus call FreezeUnit(s, b), as well as "systemctl freeze
   $UNIT" and "systemctl thaw $UNIT" as wrappers around this. The calls
   should SIGSTOP all unit processes in a loop until all processes of
 * introduce bus call FreezeUnit(s, b), as well as "systemctl freeze
   $UNIT" and "systemctl thaw $UNIT" as wrappers around this. The calls
   should SIGSTOP all unit processes in a loop until all processes of


@@ -39,15 +91,12 @@ Features:
   desktop UIs such as gnome-shell to freeze apps that are not visible
   on screen, not unlike how job control works on the shell
 
   desktop UIs such as gnome-shell to freeze apps that are not visible
   on screen, not unlike how job control works on the shell
 

-* machinectl bash completion is missing
-* busctl bash and zsh completions are outdated
-
-* Introduce PrivateDevices=yes/no which works like PrivateTmp= but for /dev setting up a tmpfs for it that only includes /dev/null, /dev/zero, /dev/random, /dev/urandom, but nothing else.
-
-* libsystemd-journal returns the object created as first param in sd_journal_new(), sd_bus_new() and suchlike as last...
+* completions:
+ - busctl zsh completion is outdated
+ - systemd-nspawn -Z/-L/-q is missing for zsh
+ - manager property enumeration was broken when systemd moved to /usr/lib/

 
 * cgroups:
 
 * cgroups:

-  - implement system-wide DefaultCPUAccounting=1 switch (and similar for blockio, memory?)

   - implement per-slice CPUFairScheduling=1 switch
   - handle jointly mounted controllers correctly
   - introduce high-level settings for RT budget, swappiness
   - implement per-slice CPUFairScheduling=1 switch
   - handle jointly mounted controllers correctly
   - introduce high-level settings for RT budget, swappiness


@@ -61,13 +110,10 @@ Features:
   - add field to transient units that indicate whether systemd or somebody else saves/restores its settings, for integration with libvirt
   - ensure scope units may be started only a single time
 
   - add field to transient units that indicate whether systemd or somebody else saves/restores its settings, for integration with libvirt
   - ensure scope units may be started only a single time
 

-* code cleanup
-  - we probably should replace the left-over uses of strv_append() and replace them by strv_push() or strv_extend()
+* Automatically configure swap partition to use for hibernation by looking for largest swap partition on the root disk?

 
 * when we detect low battery and no AC on boot, show pretty splash and refuse boot
 
 
 * when we detect low battery and no AC on boot, show pretty splash and refuse boot
 

-* move libasyncns into systemd as libsystemd-asyncns
-

 * machined, localed: when we try to kill an empty cgroup, generate an ESRCH error over the bus
 
 * libsystemd-journal, libsystemd-login, libudev: add calls to easily attach these objects to sd-event event loops
 * machined, localed: when we try to kill an empty cgroup, generate an ESRCH error over the bus
 
 * libsystemd-journal, libsystemd-login, libudev: add calls to easily attach these objects to sd-event event loops


@@ -78,24 +124,16 @@ Features:
 
 * Automatically configure swap partition to use for hibernation by looking for largest swap partition on the root disk?
 
 
 * Automatically configure swap partition to use for hibernation by looking for largest swap partition on the root disk?
 

-* socket-proxyd:Use a nonblocking alternative to getaddrinfo
+* socket-proxyd: Use sd-resolve to resolve the server address

 
 * rfkill,backlight: we probably should run the load tools inside of the udev rules so that the state is properly initialized by the time other software sees it
 
 
 * rfkill,backlight: we probably should run the load tools inside of the udev rules so that the state is properly initialized by the time other software sees it
 

-* Add a new Distribute=$NUMBER key to socket units that makes use of SO_REUSEPORT to distribute network traffic on $NUMBER instances
-
-* move config_parse_path_strv() out of conf-parser.c
-

 * After coming back from hibernation reset hibernation swap partition using the /dev/snapshot ioctl APIs
 
 * If we try to find a unit via a dangling symlink, generate a clean
   error. Currently, we just ignore it and read the unit from the search
   path anyway.
 
 * After coming back from hibernation reset hibernation swap partition using the /dev/snapshot ioctl APIs
 
 * If we try to find a unit via a dangling symlink, generate a clean
   error. Currently, we just ignore it and read the unit from the search
   path anyway.
 

-* When a Type=forking service fails and needed another service, that
-  service is not cleaned up again when it has StopWhenUnneeded=yes
-  http://lists.freedesktop.org/archives/systemd-devel/2013-July/012141.html
-

 * refuse boot if /etc/os-release is missing or /etc/machine-id cannot be set up
 
 * given that logind now lets PID 1 do all nasty work, we can
 * refuse boot if /etc/os-release is missing or /etc/machine-id cannot be set up
 
 * given that logind now lets PID 1 do all nasty work, we can


@@ -116,33 +154,33 @@ Features:
   Maybe take a BSD lock at the disk device node and teach udev to
   check for that and suppress event handling.
 
   Maybe take a BSD lock at the disk device node and teach udev to
   check for that and suppress event handling.
 

-* something pulls in pcre as shared object dependency into our daemons such as hostnamed.
-

 * allow implementation of InaccessibleDirectories=/ plus
   ReadOnlyDirectories=... for whitelisting files for a service.
 
 * allow implementation of InaccessibleDirectories=/ plus
   ReadOnlyDirectories=... for whitelisting files for a service.
 

-* libsystemd-bus:
+* sd-bus:

   - when kdbus doesn't take our message without memfds, try again with memfds
   - implement monitor logic
   - see if we can drop more message validation on the sending side
   - add API to clone sd_bus_message objects
   - when kdbus doesn't take our message without memfds, try again with memfds
   - implement monitor logic
   - see if we can drop more message validation on the sending side
   - add API to clone sd_bus_message objects

-  - SD_BUS_COMMENT() macro for inclusion in vtables, syntax inspired by gdbus

   - systemd-bus-proxyd needs to enforce good old XML policy
   - systemd-bus-proxyd needs to enforce good old XML policy

-  - upload minimal kdbus policy into the kernel at boot

   - kdbus: matches against source or destination pids for an "strace -p"-like feel. Problem: The PID info needs to be available in userspace too...
   - kdbus: matches against source or destination pids for an "strace -p"-like feel. Problem: The PID info needs to be available in userspace too...

-  - longer term:
-    * priority queues
-    * priority inheritance
+  - longer term: priority inheritance

   - check sender of response messages
   - dbus spec updates:
        - kdbus mapping
        - NameLost/NameAcquired obsolete
        - GVariant
        - "const" properties (posted)
   - check sender of response messages
   - dbus spec updates:
        - kdbus mapping
        - NameLost/NameAcquired obsolete
        - GVariant
        - "const" properties (posted)

+       - path escaping

   - port exit-on-idle logic to byebye ioctl
   - port exit-on-idle logic to byebye ioctl

-  - make use of "drop" ioctl in pid 1 bus activation
-  - bus proxy: override unique id sender for messages from driver to match the well-known name
-  - bus driver: GetNameOwner() for "org.freedesktop.DBus" should return "org.freedesktop.DBus"
+  - update systemd.special(7) to mention that dbus.socket is only about the compatibility socket now
+  - allow updating attach flags during runtime
+  - pid1: peek into activating message when activating a service
+  - test bloom filter generation indexes
+  - introduce sd_bus_emit_object_added()/sd_bus_emit_object_removed() that automatically includes the build-in interfaces in the list
+  - port to sd-resolve for connecting to TCP dbus servers
+  - constructors for bus messages should probably not be OK with a NULL bus pointer
+  - .busname units should not use get_user_creds()/get_cgroup_creds() but instead do NSS only in temporarily forked off child

 
 * sd-event
   - allow multiple signal handlers per signal?
 
 * sd-event
   - allow multiple signal handlers per signal?


@@ -151,11 +189,6 @@ Features:
   complain loudly if they have argv[0][0] == '@' set.
   https://bugzilla.redhat.com/show_bug.cgi?id=961044
 
   complain loudly if they have argv[0][0] == '@' set.
   https://bugzilla.redhat.com/show_bug.cgi?id=961044
 

-* Introduce a way how we can kill the main process of a service with KillSignal, but all processes with SIGKILL later on
-  https://bugzilla.redhat.com/show_bug.cgi?id=952634
-
-* maybe add a warning to the unit file parses where the access mode of unit files is nonsensical.
-

 * investigate endianness issues of UUID vs. GUID
 
 * dbus: when a unit failed to load (i.e. is in UNIT_ERROR state), we
 * investigate endianness issues of UUID vs. GUID
 
 * dbus: when a unit failed to load (i.e. is in UNIT_ERROR state), we


@@ -191,15 +224,8 @@ Features:
 * when isolating, try to figure out a way how we implicitly can order
   all units we stop before the isolating unit...
 
 * when isolating, try to figure out a way how we implicitly can order
   all units we stop before the isolating unit...
 

-* add ConditionArchitecture= or so
-

 * teach ConditionKernelCommandLine= globs or regexes (in order to match foobar={no,0,off})
 
 * teach ConditionKernelCommandLine= globs or regexes (in order to match foobar={no,0,off})
 

-* Support SO_REUSEPORT with socket activation:
-  - Let systemd maintain a pool of servers.
-  - Use for seamless upgrades, by running the new server before stopping the
-    old.
-

 * after all byte-wise realloc() is slow, even on glibc, so i guess we
   need manual exponential loops after all
 
 * after all byte-wise realloc() is slow, even on glibc, so i guess we
   need manual exponential loops after all
 


@@ -229,11 +255,6 @@ Features:
 
 * timedate: have global on/off switches for auto-time (NTP), and auto-timezone that connman can subscribe to.
 
 
 * timedate: have global on/off switches for auto-time (NTP), and auto-timezone that connman can subscribe to.
 

-* dev-setup.c: when running in a container, create a tiny stub udev
-  database with the systemd tag set for all network interfaces found,
-  so that libudev reports them as present, and systemd's .device units
-  will be activated.
-

 * merge unit_kill_common() and unit_kill_context()
 
 * introduce ExecCondition= in services
 * merge unit_kill_common() and unit_kill_context()
 
 * introduce ExecCondition= in services


@@ -261,11 +282,8 @@ Features:
   - logind: wakelock/opportunistic suspend support
   - Add pretty name for seats in logind
   - logind: allow showing logout dialog from system?
   - logind: wakelock/opportunistic suspend support
   - Add pretty name for seats in logind
   - logind: allow showing logout dialog from system?

-  - logind: non-local X11 server handling

   - logind: add equivalent to sd_pid_get_owner_uid() to the D-Bus API
   - logind: add equivalent to sd_pid_get_owner_uid() to the D-Bus API

-  - pam: when leaving a session explicitly exclude the ReleaseSession() caller process from the killing spree

   - we should probably handle SIGTERM/SIGINT to not leave dot files around, just in case
   - we should probably handle SIGTERM/SIGINT to not leave dot files around, just in case

-  - when logging out, remove user-owned sysv and posix IPC objects

   - session scopes/user unit: add RequiresMountsFor for the home directory of the user
   - add Suspend() bus calls which take timestamps to fix double suspend issues when somebody hits suspend and closes laptop quickly.
   - if pam_systemd is invoked by su from a process that is outside of a
   - session scopes/user unit: add RequiresMountsFor for the home directory of the user
   - add Suspend() bus calls which take timestamps to fix double suspend issues when somebody hits suspend and closes laptop quickly.
   - if pam_systemd is invoked by su from a process that is outside of a


@@ -330,7 +348,6 @@ Features:
   - document in wiki how to map ical recurrence events to systemd timer unit calendar specifications
   - add a man page containing packaging guidelines and recommending usage of things like Documentation=, PrivateTmp=, PrivateNetwork= and ReadOnlyDirectories=/etc /usr.
   - document systemd-journal-flush.service properly
   - document in wiki how to map ical recurrence events to systemd timer unit calendar specifications
   - add a man page containing packaging guidelines and recommending usage of things like Documentation=, PrivateTmp=, PrivateNetwork= and ReadOnlyDirectories=/etc /usr.
   - document systemd-journal-flush.service properly

-  - man: remove .include documentation, and instead push people to use .d/*.conf

   - documentation: recommend to connect the timer units of a service to the service via Also= in [Install]
   - man: document the very specific env the shutdown drop-in tools live in
   - man: extend runlevel(8) to mention that runlevels suck, and are dead. Maybe add runlevel(7) with a note about that too
   - documentation: recommend to connect the timer units of a service to the service via Also= in [Install]
   - man: document the very specific env the shutdown drop-in tools live in
   - man: extend runlevel(8) to mention that runlevels suck, and are dead. Maybe add runlevel(7) with a note about that too


@@ -389,10 +406,6 @@ Features:
   mode, it will never touch the RTC if the no reliable time source is active or the
   user did not request anything like it.
 
   mode, it will never touch the RTC if the no reliable time source is active or the
   user did not request anything like it.
 

-* if booted in "quiet" mode, and an error happens, turn on status
-  output again, so that the emergency mode isn't totally
-  surprising. Also, terminate plymouth.
-

 * libunwind support for coredump pattern hook, and includes this in
   the message for coredumps. After all, libunwind is now capable to
   unwind coredumps since a few weeks ago. This probably requires that
 * libunwind support for coredump pattern hook, and includes this in
   the message for coredumps. After all, libunwind is now capable to
   unwind coredumps since a few weeks ago. This probably requires that


@@ -429,22 +442,14 @@ Features:
 * currently x-systemd.timeout is lost in the initrd, since crypttab is copied into dracut, but fstab isn't
 
 * nspawn:
 * currently x-systemd.timeout is lost in the initrd, since crypttab is copied into dracut, but fstab isn't
 
 * nspawn:

-  - nspawn: consider changing users for -u with su, so that NSS resolving works correctly
-  - nspawn: implement personality changes a la linux32(8)

   - nspawn: --read-only is not applied recursively to submounts
   - nspawn: --read-only is not applied recursively to submounts

-  - nspawn: make use of device cgroup controller by default

   - bind mount read-only the cgroup tree higher than nspawn
   - bind mount read-only the cgroup tree higher than nspawn

-  - nspawn: investigate whether we can support the same as LXC's
-    lxc.network.type=phys mode, and pass through entire network
-    interfaces to the container
-  - nspawn: maybe explicitly reset loginuid?
-  - nspawn: make it work for dwalsh and shared /usr containers -- tmpfs mounts as command line parameters, selinux exec context
+  - nspawn: make it work for dwalsh and shared /usr containers -- tmpfs mounts as command line parameters

   - refuses to boot containers without /etc/machine-id (OK?), and with empty /etc/machine-id (not OK).
   - refuses to boot containers without /etc/machine-id (OK?), and with empty /etc/machine-id (not OK).

-  - add an option to nspawn that uses seccomp to make socket(AF_NETLINK,
-    SOCK_RAW, NETLINK_AUDIT) fail the the appropriate error code that
-    makes the audit userspace to think auditing is not available in the
-    kernel.

   - support taking a btrfs snapshot at startup and dropping it afterwards
   - support taking a btrfs snapshot at startup and dropping it afterwards

+  - maybe: hookup nspawn and PrivateNetwork=yes with "ip netns"
+  - generate predictable mac addresses for the netdev we create (host0), maybe based on guest's machine
+    name and machine-id of host (?)

 
 * cryptsetup:
   - cryptsetup-generator: allow specification of passwords in crypttab itself
 
 * cryptsetup:
   - cryptsetup-generator: allow specification of passwords in crypttab itself


@@ -474,8 +479,6 @@ Features:
 
 * explore multiple service instances per listening socket idea
 
 
 * explore multiple service instances per listening socket idea
 

-* shutdown: don't read-only mount anything when running in container
-

 * MountFlags=shared acts as MountFlags=slave right now.
 
 * ReadOnlyDirectories= is not applied recursively to submounts
 * MountFlags=shared acts as MountFlags=slave right now.
 
 * ReadOnlyDirectories= is not applied recursively to submounts


@@ -497,13 +500,6 @@ Features:
 
 * rename "userspace" to "core-os"
 
 
 * rename "userspace" to "core-os"
 

-* syscall filter:
-  - syscall filter: add knowledge about compat syscalls
-  - syscall filter: don't enforce no new privs?
-  - syscall filter: option to return EPERM rather than SIGSYS?
-  - syscall filter: port to libseccomp
-  - system-wide seccomp filter
-

 * load-fragment: when loading a unit file via a chain of symlinks
   verify that it isn't masked via any of the names traversed.
 
 * load-fragment: when loading a unit file via a chain of symlinks
   verify that it isn't masked via any of the names traversed.
 


@@ -531,6 +527,7 @@ Features:
   - move to LGPL
   - kill scsi_id
   - add trigger --subsystem-match=usb/usb_device device
   - move to LGPL
   - kill scsi_id
   - add trigger --subsystem-match=usb/usb_device device

+  - reimport udev db after MOVE events for devices without dev_t

 
 * when a service has the same env var set twice we actually store it twice and return that in systemctl show -p... We should only show the last setting
 
 
 * when a service has the same env var set twice we actually store it twice and return that in systemctl show -p... We should only show the last setting
 


@@ -636,13 +633,6 @@ Features:
 
 * dot output for --test showing the 'initial transaction'
 
 
 * dot output for --test showing the 'initial transaction'
 

-* port over to LISTEN_FDS/LISTEN_PID:
-   - postfix, saslauthd
-   - apache/samba
-   - libvirtd (/var/run/libvirt/libvirt-sock-ro)
-   - bluetoothd (/var/run/sdp! @/org/bluez/audio!)
-   - distccd
-

 * fingerprint.target, wireless.target, gps.target, netdevice.target
 
 * io priority during initialization
 * fingerprint.target, wireless.target, gps.target, netdevice.target
 
 * io priority during initialization


@@ -664,17 +654,21 @@ Features:
    - Make sure ID_PATH is always exported and complete for
      network devices where possible, so we can safely rely
      on Path= matching
    - Make sure ID_PATH is always exported and complete for
      network devices where possible, so we can safely rely
      on Path= matching

-   - Check if Driver= is broken, or just my driver (bcma)

 
 * sd-rtnl:
 
 * sd-rtnl:

-   - improve container support, and add support for entering containers when reading
+   - add support for exiting containers without reading them fully first

    - add support for more attribute types
 
 * networkd:
    - add support for more attribute types
 
 * networkd:

+   - make sure RTM_NEWLINK messages match both the ifname and kind when setting the ifindex of a netdev

    - add more keys to [Route] and [Address] sections
    - add support for more DHCPv4 options (and, longer term, other kinds of dynamic config)
    - add more keys to [Route] and [Address] sections
    - add support for more DHCPv4 options (and, longer term, other kinds of dynamic config)

-   - allow opting out of receiving DNS servers over DHCPv4

    - add proper initrd support (in particular generate .network/.link files based on /proc/cmdline)
    - add proper initrd support (in particular generate .network/.link files based on /proc/cmdline)

+   - add reduced [Link] support to .network files
+   - add IPv4LL tests (inspire by DHCP)
+   - add Scope= parsing option for [Network]
+   - change LL address generation and make it predictable like get_mac() (link-config.c)
+   - have smooth transition from LL to routable address, without disconnecting clients.

 
 External:
 
 
 External: