X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=TODO;h=328a46a57a98cc967f3dda5770e93a7ede0f03bd;hp=979ac30ed2e519cca3e4a0075db085ef5ceb3bc7;hb=bdb074a562e358d36590d09daddbf1f0c24e6676;hpb=563b1bdc09efe0cf94dd3f514f30376ca854c1ce diff --git a/TODO b/TODO index 979ac30ed..328a46a57 100644 --- a/TODO +++ b/TODO @@ -1,6 +1,4 @@ Bugfixes: -* Re-enable "fsck -l" when it is ready: - https://bugs.freedesktop.org/show_bug.cgi?id=79576#c5 * Should systemctl status \* work on all unit types, not just .service? @@ -10,9 +8,17 @@ Bugfixes: * properly handle .mount unit state tracking when two mount points are stacked one on top of another on the exact same mount point. +* ExecStart with unicode characters fails in strv_split_quoted: + + [Service] + Environment=ONE='one' "TWO='two two' too" THREE= + ExecStart=/bin/python3 -c 'import sys;print(sys.argv)' $ONE $TWO $THREE + +* MEMORY return code is overloaded for syntax errors in the command line. + str_split_quoted() should return a real return code, so spawn_child can + report the failure properly. + External: -* 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: add an rpmlint check that verifies that all unit files in the RPM are listed in %systemd_post macros. @@ -22,43 +28,119 @@ External: * Fedora: remove /etc/resolv.conf tmpfiles hack +* wiki: update journal format documentation for lz4 additions + +* When lz4 gets an API for lz4 command output, make use of it to + compress coredumps in a way compatible with /usr/bin/lz4. + Features: -* merge ~/.local/share and ~/.local/lib into one similar /usr/lib and /usr/share.... +* add "systemctl start -v foobar.service" that shows logs of a service + while the start command runs. This is non-trivial to do without + races though, since we should flush out all journal messages before + returning from the "systemctl stop". + +* firstboot: make it useful to be run immediately after yum --installroot to set up a machine. + +* timesyncd + resolved: add ugly bus calls to set NTP and DNS servers per-interface, for usage by NM + +* networkd-wait-online really should have a timeout by default + +* expose orientation sensors through logind + +* add infrastructure to allocate dynamic/transient users and UID ranges, for use in user-namespaced containers, per-seat gdm login screens and gdm guest sessions + +* resolved: maybe randomize DNS UDP source ports + +* resolved: maybe compare query section of DNS replies + +* machined: add an API so that libvirt-lxc can inform us about network interfaces being removed or added to an existing machine + +* maybe add support for specifier expansion in user.conf, specifically DefaultEnvironment= + +* kdbus: set the bus-wide creds sender requirement mask to ANY + +* kdbus: busnames.target should get pulled in by basic.target + +* code cleanup: retire FOREACH_WORD_QUOTED, port to unquote_first_word() loops instead + +* logind: when the power button is pressed short, just popup a logout dialog. If it is pressed for 1s, do the usual shutdown. Inspiration are Macs here. + +* optionally support running journald from the command line for testing purposes in external projects + +* journald: allow per-priority and per-service retention times when rotating/vacuuming + +* introduce systemd-timesync-wait.service or so to sync on an NTP fix? + +* systemd --user should issue sd_notify() upon reaching basic.target, not on becoming idle + +* configure.ac pretends dbus was optional but actually hardcodes use of dbus' pkg-config file to determine various dbus dirs such as policy and activation dirs + +* consider showing the unit names during boot up in the status output, not just the unit descriptions + +* dhcp: do we allow configuring dhcp routes on interfaces that are not the one we got the dhcp info from? + +* maybe allow timer units with an empty Units= setting, so that they + can be used for resuming the system but nothing else. + +* what to do about udev db binary stability for apps? (raw access is not an option) + +* maybe provide an API to allow migration of foreign PIDs into existing scopes. + +* PID 1 doesn't apply nspawns devices cgroup policy + +* maybe support a new very "soft" reboot mode, that simply kills all processes, disassembles everything, flushes /run and sysvipc, and then reexecs systemd again + +* man: document that corrupted journal files is nothing to act on + +* bus-proxy: when passing messages from kdbus, make sure we properly + handle the case where a large number of fds is appended that we + cannot pass into sendmsg() of the AF_UNIX sokcet (which only accepts + 253 messages) -* make "systemctl suspend" block until we are back from suspend +* man: maybe use the word "inspect" rather than "introspect"? -* remove readahead in 217 +* introduce machines.target to order after all nspawn instances + +* systemd-nspawn@.service should fail if some nspawn arg is invalid, with Type=notify + +* "machinectl list" should probably show columns for OS version and IP addresses + +* systemctl: if it fails, show log output? + +* maybe add "systemctl edit" that copies unit files from /usr/lib/systemd/system to /etc/systemd/system and invokes vim on them + +* refcounting in sd-resolve is borked + +* exponential backoff in timesyncd and resolved when we cannot reach a server + +* journald: make use of uid-range.h to managed uid ranges to split + journals in. + +* tmpfiles: port to unquote_many_words(), similar to sysusers + +* unquote_many_words() should probably be used by a lot of code that + currently uses FOREACH_WORD and friends. For example, most conf + parsing callbacks should use it. + +* logind: make the Suspend()/Hibernate() bus calls wait for the for + the job to be completed. before returning, so that clients can wait + for "systemctl suspend" to finish to know when the suspending is + complete. + +* merge ~/.local/share and ~/.local/lib into one similar /usr/lib and /usr/share.... * journald: allows specification of UID range for splitting up journal files * systemd.show_status= should probably have a mode where only failed units are shown. -* sd-event: - make it possible to embedd our event loop into foreign - event loops by passing out the epoll fd and providing three functions - that fit into GSource nicely. - * networkd: - - add LLDP support - - ipv4ll with multiple interfaces doesn't work when both dhcp and - ipv4ll is used. for some reasons the kernel will currently pick an - ipv4ll source address to reach non-ipv4ll gateways. - - dhcp and ipv4ll should probably be skipped for "lo" devices, even - if the user has a catchall .network file installed, that might - theoretically match it. - - we probably should introduce a new operational state that - indicates that we are trying to acquire some configuration for a - link but haven't acquired any yet. Just to inform the admin that - networkd cares about an interface, but is still in progress.. + - add LLDP client side support - the DHCP lease data (such as NTP/DNS) is still made available when a carrier is lost on a link. It should be removed instantly. - .network setting that allows overriding of the hostname to send to the dhcp server http://lists.freedesktop.org/archives/systemd-devel/2014-July/021550.html - - add per-network Domains= settings, with a special syntax Domains=* - for routing all non-otherwise routed traffic to this link - - add UseDomains= setting to [DHCP] to add dhcp supplied domains to - per-interface Domains= list. - expose in the API the following bits: - option 15, domain name and/or option 119, search list - option 12, host name and/or option 81, fqdn @@ -70,6 +152,8 @@ Features: to clients. It should also pass on its own timezone information. - provide a way to define a per-network interface default metric value for all routes to it. possibly a second default for DHCP routes. + - allow Name= to be specified repeatedly in the [Match] section. Maybe also + support Name=foo*|bar*|baz ? * resolved: - put networkd events and rtnl events at a higher priority, so that @@ -93,14 +177,6 @@ Features: * Allow multiple ExecStart= for all Type= settings, so that we can cover rescue.service nicely -* the resolv.conf tmpfiles line should be covered by ENABLE_NETWORKD... - -* sysusers: - - also create entries in /etc/shadow, /etc/gshadow - - allow setting the home directory of system users - - allow configuration of ranges to allocate items in - - add mode where we read sysusers data from stdin, so that we can run this from rpm scriptlets - * Add a new verb "systemctl top" * logind: allow users to kill or lock their own sessions @@ -110,15 +186,9 @@ Features: * support empty /etc boots nicely: - nspawn/gpt-generator: introduce new gpt partition type for /usr - fstab-generator: support systemd.volatile=yes|no|state on the kernel cmdline, too, similar to nspawn's --volatile= - - fstab-generator: add support for usr= in addition to root= on the kernel cmdline * generator that automatically discovers btrfs subvolumes, identifies their purpose based on some xattr on them. -* support setting empty environment variables with Environment= and EnvironmentFile= - -* machined/machinectl: sort IP addresses we return by scope and protocol -* machined: write NSS module for looking up IP addresses for machines - * timer units: actually add extra delays to timer units with high AccuracySec values, don't start them already when we are awake... * a way for container managers to turn off getty starting via $container_headless= or so... @@ -127,15 +197,11 @@ Features: * journalctl: add the ability to look for the most recent process of a binary. journalctl /usr/bin/X11 --pid=-1 or so... -* set NOTIFY_SOCKET also for control processes - * mount_cgroup_controllers(): symlinks need to get the label applied * For timer units: add some mechanisms so that timer units that trigger immediately on boot do not have the services they run added to the initial transaction and thus confuse Type=idle. -* Add timeout to early-boot, and shut down the system if it is hit. Solves the laptop-in-bag problem and is useful for embedded cases - * Run most system services with cgroupfs read-only and procfs with a more secure mode (doesn't work, since the hidepid= option is per-pid-namespace, not per-mount) * sd-event: generate a failure of a default event loop is executed out-of-thread @@ -215,8 +281,6 @@ Features: * unify dispatch table in systemctl_main() and friends -* Automatically configure swap partition to use for hibernation by looking for largest swap partition on the root disk? - * 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 * After coming back from hibernation reset hibernation swap partition using the /dev/snapshot ioctl APIs @@ -243,6 +307,8 @@ Features: ReadOnlyDirectories=... for whitelisting files for a service. * sd-bus: + - kdbus: maybe add euid, egid, fsuid, fsgid, controlling tty and ppid metadata fields + - see if we can introduce a new sd_bus_get_owner_machine_id() call to retrieve the machine ID of the machine of the bus itself - when kdbus does not take our message without memfds, try again with memfds - systemd-bus-proxyd needs to enforce good old XML policy - allow updating attach flags during runtime @@ -258,13 +324,13 @@ Features: - kdbus mapping - NameLost/NameAcquired obsolete - GVariant - - "const" properties (posted) - path escaping - update systemd.special(7) to mention that dbus.socket is only about the compatibility socket now - test bloom filter generation indexes * sd-event - allow multiple signal handlers per signal? + - document chaining of signal handler for SIGCHLD and child handlers * in the final killing spree, detect processes from the root directory, and complain loudly if they have argv[0][0] == '@' set. @@ -281,10 +347,6 @@ Features: * maybe add a generator that looks for "systemd.run=" on the kernel cmdline for container usercases... -* timedatctl, localectl: possibly make some commands work without the daemon, for chroot situations... - -* timedatectl: print a nicer message when enabling ntp fails because ntpd/chrony are not installed - * cgtop: make cgtop useful in a container * test/: @@ -326,8 +388,6 @@ Features: * think about window-manager-run-as-user-service problem: exit 0 → activate shutdown.target; exit != 0 → restart service -* use "log level" rather than "log priority" everywhere - * merge unit_kill_common() and unit_kill_context() * introduce ExecCondition= in services @@ -367,6 +427,7 @@ Features: * service: watchdog logic: for testing purposes allow ping, but do not require pong * journal: + - consider introducing implicit _TTY= + _PPID= + _EUID= + _EGID= + _FSUID= + _FSGID= fields - import and delete pstore filesystem content at startup - journald: also get thread ID from client, plus thread name - journal: when waiting for journal additions in the client always sleep at least 1s or so, in order to minimize wakeups @@ -388,17 +449,14 @@ Features: - journal-send.c, log.c: when the log socket is clogged, and we drop, count this and write a message about this when it gets unclogged again. - journal: find a way to allow dropping history early, based on priority, other rules - journal: When used on NFS, check payload hashes - - journald: check whether it is OK if the client can still modify delivered journal entries - journal live copy, based on libneon (client) and libmicrohttpd (server) - journald: add kernel cmdline option to disable ratelimiting for debug purposes - refuse taking lower-case variable names in sd_journal_send() and friends. - journald: we currently rotate only after MaxUse+MaxFilesize has been reached. - journal: deal nicely with byte-by-byte copied files, especially regards header - - journal: store euid in journal if it differs from uid - journal: sanely deal with entries which are larger than the individual file size, but where the components would fit - Replace utmp, wtmp, btmp, and lastlog completely with journal - journalctl: instead --after-cursor= maybe have a --cursor=XYZ+1 syntax? - - tmpfiles: when applying ownership to /run/log/journal, also do this for the journal fails contained in it - when a kernel driver logs in a tight loop, we should ratelimit that too. - journald: optionally, log debug messages to /run but everything else to /var - journald: when we drop syslog messages because the syslog socket is @@ -445,7 +503,6 @@ Features: - "systemctl mask" should find all names by which a unit is accessible (i.e. by scanning for symlinks to it) and link them all to /dev/null - systemctl list-unit-files should list generated files (and probably with a new state "generated" for them, or so) - - systemctl: maybe add "systemctl add-wants" or so... * timer units: - timer units should get the ability to trigger when: @@ -456,15 +513,6 @@ Features: - when parsing calendar timestamps support the UTC timezone (even if we will not support arbitrary timezone specs, support UTC itself certainly makes sense), also support syntaxes such as +0200 - Modulate timer frequency based on battery state -* update the kernel's TZ (sys_tz) when DST changes - -* sync down the system time to the RTC when: - - CLOCK_REALTIME makes jumps (the user explicitely requested a time set) - - DST/timezone changes && ntp is active && RTC-in-localtime (never do it without ntp) - This takes care of syncing ntpdate updates to the RTC, and DST updates for localtime - mode, it will never touch the RTC if the no reliable time source is active or the - user did not request anything like it. - * add libsystemd-password or so to query passwords during boot using the password agent logic * If we show an error about a unit (such as not showing up) and it has no Description string, then show a description string generated form the reverse of unit_name_mangle(). @@ -502,8 +550,6 @@ Features: * make timer units go away after they elapsed -* come up with a nice way to write queue/read_ahead_kb for a block device without interfering with readahead - * move PID 1 segfaults to /var/lib/systemd/coredump? * create /sbin/init symlinks from the build system @@ -521,10 +567,6 @@ Features: * properly handle loop back mounts via fstab, especially regards to fsck/passno -* allow services with no ExecStart= but with an ExecStop= - -* dracut-shutdown needs to be ordered before unmounting /boot - * initialize the hostname from the fs label of /, if /etc/hostname does not exist? * rename "userspace" to "core-os" @@ -552,7 +594,6 @@ Features: * ExecOnFailure=/usr/bin/foo * udev: - - remove src/udev/udev-builtin-firmware.c (CONFIG_FW_LOADER_USER_HELPER=n) - move to LGPL - kill scsi_id - add trigger --subsystem-match=usb/usb_device device @@ -598,9 +639,7 @@ Features: * make sure systemd-ask-password-wall does not shutdown systemd-ask-password-console too early -* support sd_notify() style notification when reload begins (RELOADING=1), reload is finished (READY=1), and add ReloadSignal= then to use in combination - -* support sd_notify() style notification when shutting down, to make auto-exit bus services work (STOPPING=1) +* add ReloadSignal= for configuring a reload signal to use * verify that the AF_UNIX sockets of a service in the fs still exist when we start a service in order to avoid confusion when a user @@ -611,13 +650,6 @@ Features: * and a dbus call to generate target from current state -* readahead: - - drop /.readahead on bigger upgrades with yum - - move readahead files into /var (look for them with .path units?) - - readahead: use BTRFS_IOC_DEFRAG_RANGE instead of BTRFS_IOC_DEFRAG ioctl, with START_IO - - readahead: when bumping /sys readahead variable save mtime and compare later to detect changes - - readahead: make use of EXT4_IOC_MOVE_EXT, as used by http://e4rat.sourceforge.net/ - * GC unreferenced jobs (such as .device jobs) * write blog stories about: @@ -655,8 +687,6 @@ Features: * fingerprint.target, wireless.target, gps.target, netdevice.target -* drop cap bounding set in readahead and other services - * systemd-python: - figure out a simple way to wait for journal events in a way that works with ^C @@ -705,7 +735,6 @@ Features: - implement reconfigure support, see 5.3., 15.11. and 22.20. - implement information request, see 1.2. and 18.1.5. - implement support for temporary adressess (IA_TA) - - implement elapsed time option - implement dhcpv6 authentication - investigate the usefulness of Confirm messages; i.e. are there any situations where the link changes without any loss in carrier detection @@ -747,8 +776,10 @@ External: * register catalog database signature as file magic -* zsh shell completion: - should complete options, but currently - does not +* zsh shell completion: + - - should complete options, but currently does not + - systemctl add-wants,add-requires + Regularly: