X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=TODO;h=8bacee7fea81e43d3fc59671db873f35ffb56b43;hp=89006a5d70a9965b1c4040db3dfbae9cf11fdad0;hb=b6b63571ae3eca1741d54172922961af972b8f20;hpb=1df52dd282cd6014ace8ca2279dd90d9ea52d2a4 diff --git a/TODO b/TODO index 89006a5d7..8bacee7fe 100644 --- a/TODO +++ b/TODO @@ -1,10 +1,8 @@ Bugfixes: -* Should systemctl status \* work on all unit types, not just .service? +* Re-enable "fsck -l" when it is ready: + https://bugs.freedesktop.org/show_bug.cgi?id=79576#c5 -* enabling an instance unit creates a pointless link, and - the unit will be started with getty@getty.service: - $ systemctl enable getty@.service - ln -s '/usr/lib/systemd/system/getty@.service' '/etc/systemd/system/getty.target.wants/getty@.service' +* Should systemctl status \* work on all unit types, not just .service? * Dangling symlinks of .automount unit files in .wants/ directories, set up automount points even when the original .automount file did not exist @@ -12,17 +10,7 @@ Bugfixes: * properly handle .mount unit state tracking when two mount points are stacked one on top of another on the exact same mount point. -* 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. - -* systemctl --root=container/ set-default ... is totally borked. - -* sd_bus_unref() is broken regarding self-references and "pseudo thread-safety". - See the comment in sd_bus_unref() for more.. - 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 @@ -30,47 +18,76 @@ External: * Fedora: post FPC ticket to move add %tmpfiles_create to the packaging guidelines +* Fedora: move kernel image to /usr/lib/modules/, kernel-install will take care of populating /boot + +* Fedora: remove /etc/resolv.conf tmpfiles hack + Features: -* timesyncd: - - config file - - reconnect on reply timeout - - hookup with networkd: dhcp, listen to online/offline state - - res_init() +* resolved: + - IDN (?) + - DNSSEC + - LLMNR + - mDNS/DNS-SD + - DNS-SD service registration from socket units + - port sd-resolve to direct bus calls + - nss module: fallback to glibc dns modules if resolved cannot be contacted + - edns0 + dname + - cname on PTR (?) + - negative caching -* a way for container managers to turn off getty starting via $container_headless= or so... +* Allow multiple ExecStart= for all Type= settings, so that we can cover rescue.service nicely -* figure out a nice way how we can let the admin know what child/sibling unit causes cgroup membership for a specific unit +* the resolv.conf tmpfiles line should be covered by ENABLE_NETWORKD... -* add a kernel command line option to enable the debug shell +* sysusers: + - also create entries in /etc/shadow, /etc/gshadow + - allow setting the home directory of system users -* journalctl: add the ability to look for the most recent process of a binary. journalctl /usr/bin/X11 --pid=-1 or so... +* Add a new verb "systemctl top" -* set NOTIFY_SOCKET also for control processes +* order OnCalendar timer units after timer-sync.target if DefaultDependencies=no so that we don't trigger them prematurely -* drop parsing of chkconfig header lines from service.c +* refuse mounting on symlinks -* mount_cgroup_controllers(): symlinks need to get the label applied +* logind: allow users to kill or lock their own sessions -* For timer units: add some mechanisms so that timer units that trigger immediately on boot don't have the services they run added to the initial transaction and thus confuse Type=idle. Alternatively, split up the boot-up state into two, and make Type=idle only be affected by jobs for the default target, but ignore any further jobs +* add new gpt type for btrfs volumes -* Add RPM macros for registering/unregistering binfmt drop-ins +* 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 -* 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 +* generator that automatically discovers btrfs subvolumes, identifies their purpose based on some xattr on them. -* sd-resolve: add callback api +* support setting empty environment variables with Environment= and EnvironmentFile= -* ImmutableSystem=yes/no or so to mount /usr, /boot read-only/invisible, and leave /var and /etc writable +* machined/machinectl: sort IP addresses we return by scope and protocol +* machined: write NSS module for looking up IP addresses for machines -* InaccessibleHome=yes/no or so to hide /home and /run/user from a service +* timer units: actually add extra delays to timer units with high AccuracySec values, don't start them already when we are awake... -* Run most system services with cgroupfs read-only and procfs with a more secure mode +* timesyncd - hookup with networkd: NTP servers from dhcp -* sd-event: generate a failure of a default event loop is executed out-of-thread +* a way for container managers to turn off getty starting via $container_headless= or so... + +* figure out a nice way how we can let the admin know what child/sibling unit causes cgroup membership for a specific unit + +* 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 -* add "M" as recursive version of "m" to tmpfiles, then use it for - chowning /run/log/journal (but not /var/log/journal), so that we - adjust the perms of journal files created before tmpfiles ran. +* 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 * expose "Locked" property on logind sesison objects @@ -87,21 +104,9 @@ Features: * 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 + do not have to open it to know that it is not interesting for us, for the most common operations. -* support transient mount units - -* 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 @@ -161,8 +166,6 @@ Features: * Automatically configure swap partition to use for hibernation by looking for largest swap partition on the root disk? -* 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 * After coming back from hibernation reset hibernation swap partition using the /dev/snapshot ioctl APIs @@ -179,33 +182,25 @@ Features: * btrfs raid assembly: some .device jobs stay stuck in the queue -* make sure gdm doesn't use multi-user-x but the new default X configuration file, and then remove multi-user-x from systemd +* make sure gdm does not use multi-user-x but the new default X configuration file, and then remove multi-user-x from systemd * man: the documentation of Restart= currently is very misleading and suggests the tools from ExecStartPre= might get restarted. * load .d/*.conf dropins for device units -* gparted needs to disable auto-activation of mount units somehow, or - maybe we should stop doing auto-activation of this after boot - entirely. https://bugzilla.gnome.org/show_bug.cgi?id=701676 - Maybe take a BSD lock at the disk device node and teach udev to - check for that and suppress event handling. - * allow implementation of InaccessibleDirectories=/ plus ReadOnlyDirectories=... for whitelisting files for a service. * sd-bus: - - make AddMatch calls on dbus1 transports async - - when kdbus doesn't take our message without memfds, try again with memfds + - when kdbus does not take our message without memfds, try again with memfds - systemd-bus-proxyd needs to enforce good old XML policy - - port exit-on-idle logic to byebye ioctl - allow updating attach flags during runtime - pid1: peek into activating message when activating a service - introduce sd_bus_emit_object_added()/sd_bus_emit_object_removed() that automatically includes the build-in interfaces in the list - - 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 + - port to sd-resolve for connecting to TCP dbus servers - see if we can drop more message validation on the sending side - add API to clone sd_bus_message objects + - make AddMatch calls on dbus1 transports async? - 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 inheritance - dbus spec updates: @@ -216,7 +211,6 @@ Features: - path escaping - update systemd.special(7) to mention that dbus.socket is only about the compatibility socket now - test bloom filter generation indexes - - port to sd-resolve for connecting to TCP dbus servers * sd-event - allow multiple signal handlers per signal? @@ -246,14 +240,8 @@ Features: - add 'set -e' to scripts in test/ - make stuff in test/ work with separate output dir -* systemctl delete x.snapshot leaves no trace in logs (at least at default level). - -* make the coredump collector tool move itself into the user's cgroup - so that the coredump is properly written to the user's own journal - file. - * seems that when we follow symlinks to units we prefer the symlink - destination path over /etc and /usr. We shouldn't do that. Instead + destination path over /etc and /usr. We should not do that. Instead /etc should always override /run+/usr and also any symlink destination. @@ -279,7 +267,7 @@ Features: * journal-or-kmsg is currently broken? See reverted commit 4a01181e460686d8b4a543b1dfa7f77c9e3c5ab8. -* remove any syslog support from log.c -- we probably can't do this before split-off udev is gone for good +* remove any syslog support from log.c -- we probably cannot do this before split-off udev is gone for good * shutdown logging: store to EFI var, and store to USB stick? @@ -289,14 +277,11 @@ Features: * use "log level" rather than "log priority" everywhere -* timedate: have global on/off switches for auto-time (NTP), and auto-timezone that connman can subscribe to. - * merge unit_kill_common() and unit_kill_context() * introduce ExecCondition= in services * EFI: - - write man page for efi boot generator - honor language efi variables for default language selection (if there are any?) - honor timezone efi variables for default timezone selection (if there are any?) - change bootctl to be backed by systemd-bootd to control temporary and persistent default boot goal plus efi variables @@ -335,7 +320,7 @@ Features: - 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 - add API to close/reopen/get fd for journal client fd in libsystemd-journal. - - fallback to /dev/log based logging in libsystemd-journal, if we can't log natively? + - fallback to /dev/log based logging in libsystemd-journal, if we cannot log natively? - declare the local journal protocol stable in the wiki interface chart - journal: reuse XZ context - sd-journal: speed up sd_journal_get_data() with transparent hash table in bg @@ -371,7 +356,7 @@ Features: - journald: make sure ratelimit is actually really per-service with the new cgroup changes - change systemd-journal-flush into a service that stays around during boot, and causes the journal to be moved back to /run on shutdown, - so that we don't keep /var busy. This needs to happen synchronously, + so that we do not keep /var busy. This needs to happen synchronously, hence doing this via signals is not going to work. * document: @@ -398,35 +383,26 @@ Features: about it. Should fix both to print nice actionable messages. - print nice message from systemctl --failed if there are no entries shown, and hook that into ExecStartPre of rescue.service/emergency.service - add new command to systemctl: "systemctl system-reexec" which reexecs as many daemons as virtually possible - - systemctl enable: improve the success messages (i.e. more human readable, less shell-like) - - systemctl enable: fail if target to alias into doesn't exist? maybe show how many units are enabled afterwards? + - systemctl enable: fail if target to alias into does not exist? maybe show how many units are enabled afterwards? - systemctl: "Journal has been rotated since unit was started." message is misleading - support "systemctl stop foobar@.service" to stop all units matching a certain template - Something is wrong with symlink handling of "autovt@.service" in "systemctl list-unit-files" - - rework wait filter to not require match callback - better error message if you run systemctl without systemd running - systemctl status output should should include list of triggering units and their status * unit install: - "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 disable" of a unit instance removes all symlinks, but should - only remove the instance symlink (systemctl disable of a template - unit however should remove them all). - 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... -* introduce ntp.service (or suchlike) as symlink that is used to arbitrate between various NTP implementations - -* deal with sendmail/postfix exclusivity - * timer units: - timer units should get the ability to trigger when: o CLOCK_REALTIME makes jumps (TFD_TIMER_CANCEL_ON_SET) o DST changes - Support 2012-02~4 as syntax for specifying the fourth to last day of the month. - calendarspec: support value ranges with ".." notation. Example: 2013-4..8-1 - - when parsing calendar timestamps support the UTC timezone (even if we won't support arbitrary timezone specs, support UTC itself certainly makes sense), also support syntaxes such as +0200 + - 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 @@ -438,50 +414,29 @@ 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. -* 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 - we have nice support for multi-line messages on display in - logs-show.c. Alternatively: use libelfutil, which seems to be the - better supported alternative. - * 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(). * fedup: add --unit to systemctl switch-root somehow -* fedup: don't delete initrd on switch-root +* fedup: do not delete initrd on switch-root * fedup: generator -* timedated: refuse time changes when NTP is on - * clean up date formatting and parsing so that all absolute/relative timestamps we format can also be parsed * on shutdown: move utmp, wall, audit logic all into PID 1 (or logind?), get rid of systemd-update-utmp-runlevel -* add "provisioning" instructions to setup an empty /etc + /var - - used to setup a new container from a shared /usr - - superset of tmpfiles model - - instructions shipped by packages and stored in /usr/lib/ - - compose /etc/passwd and /etc/group, copy files - - able to create uid + gid used by packages, for file ownership - * make repeated alt-ctrl-del presses printing a dump, or even force a reboot without waiting for the timeout * hostnamed: before returning information from /etc/machine-info.conf check the modification data and reread. Similar for localed, ... -* currently x-systemd.timeout is lost in the initrd, since crypttab is copied into dracut, but fstab isn't +* currently x-systemd.timeout is lost in the initrd, since crypttab is copied into dracut, but fstab is not * nspawn: - - nspawn: --read-only is not applied recursively to submounts - bind mount read-only the cgroup tree higher than nspawn - - 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). - 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 @@ -496,30 +451,21 @@ Features: * make timer units go away after they elapsed -* http://lists.freedesktop.org/archives/systemd-devel/2012-September/006502.html - (network and remote-fs on shutdown) - * 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 -* Query Paul Moore about relabelling socket fds while they are open - * allow writing multiple conditions in unit files on one line -* explore multiple service instances per listening socket idea - * MountFlags=shared acts as MountFlags=slave right now. -* ReadOnlyDirectories= is not applied recursively to submounts - * drop PID 1 reloading, only do reexecing (difficult: Reload() currently is properly synchronous, Reexec() is weird, because we - can't delay the response properly until we are back, so instead of + cannot delay the response properly until we are back, so instead of being properly synchronous we just keep open the fd and close it - when done. That means clients don't get a successful method reply, + when done. That means clients do not get a successful method reply, but much rather a disconnect on success. * properly handle loop back mounts via fstab, especially regards to fsck/passno @@ -533,7 +479,7 @@ Features: * rename "userspace" to "core-os" * load-fragment: when loading a unit file via a chain of symlinks - verify that it isn't masked via any of the names traversed. + verify that it is not masked via any of the names traversed. * introduce Type=pid-file @@ -565,8 +511,6 @@ Features: * introduce mix of BindTo and Requisite -* add DeleteSocketsOnStop=yes|no option to socket units - * There's currently no way to cancel fsck (used to be possible via C-c or c on the console) * add option to sockets to avoid activation. Instead just drop packets/connections, see http://cyberelk.net/tim/2012/02/15/portreserve-systemd-solution/ @@ -577,7 +521,7 @@ Features: * support crash reporting operation modes (https://live.gnome.org/GnomeOS/Design/Whiteboards/ProblemReporting) -* default to actual 32bit PIDs, via /proc/sys/kernel/pid_max +* default to actual 32-bit PIDs, via /proc/sys/kernel/pid_max * be able to specify a forced restart of service A where service B depends on, in case B needs to be auto-respawned? @@ -585,10 +529,9 @@ Features: * when a bus name of a service disappears from the bus make sure to queue further activation requests * tmpfiles: - - check systemd-tmpfiles for selinux context hookup for mknod(), symlink() and similar - apply "x" on "D" too (see patch from William Douglas) -* for services: don't set $HOME in services unless requested +* for services: do not set $HOME in services unless requested * hide PAM options in fragment parser when compile time disabled @@ -612,8 +555,6 @@ Features: when we start a service in order to avoid confusion when a user assumes starting a service is enough to make it accessible -* support User= and Group= attributes for AF_UNIX sockets. (difficult, requires NSS from PID 1?) - * Make it possible to set the keymap independently from the font on the kernel cmdline. Right now setting one resets also the other. @@ -626,8 +567,6 @@ Features: - 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/ -* add support for /bin/mount -s - * GC unreferenced jobs (such as .device jobs) * write blog stories about: @@ -653,8 +592,6 @@ Features: * allow port=0 in .socket units -* support systemd.mask= on the kernel command line. - * recreate systemd's D-Bus private socket file on SIGUSR2 * Support --test based on current system state @@ -667,8 +604,6 @@ Features: * fingerprint.target, wireless.target, gps.target, netdevice.target -* io priority during initialization - * drop cap bounding set in readahead and other services * systemd-python: @@ -695,20 +630,42 @@ Features: * networkd: - add more keys to [Route] and [Address] sections - add support for more DHCPv4 options (and, longer term, other kinds of dynamic config) - - send hostname to DHCP server - add proper initrd support (in particular generate .network/.link files based on /proc/cmdline) - add reduced [Link] support to .network files - add Scope= parsing option for [Network] - properly handle routerless dhcp leases - - set lifetime on the address acquired from dhcp - - add veth netdev support (c.f. http://shorewall.net/bridge-Shorewall-perl.html#veth) + - default to DHCP unicast, but make broadcast opt-in. detect devices that needs broadcast and opt-in automatically (needs kernel patch?) + - add more attribute support for SIT tunnel + - work with non-ethernet devices + - add support for more bond options + +* networkd-wait-online: + - make operstates to wait for configurable? + +* dhcp: + - figure out how much we can increase Maximum Message Size + - export timezone information + - FORCERENEW + - support RFC4702 (pass FQDN) + +* dhcp6: + - add functions to set previously stored IPv6 addresses on startup and get + them at shutdown; store them in client->ia_na + - write more test cases + - implement and do duplicate address detection, see rfc 4862, 5.4. + - 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 + or interface down + - some servers don't do rapid commit without a filled in IA_NA, verify + this behavior External: -* NM: figure out what to do about network-online.target. - - maybe pull in the target as dependency for LSB initscripts ordered now after network.target - - https://bugzilla.gnome.org/show_bug.cgi?id=728965 - * dbus: - natively watch for dbus-*.service symlinks (PENDING) - teach dbus to activate all services it finds in /etc/systemd/services/org-*.service @@ -719,17 +676,11 @@ External: * patch kernel for xattr support in /dev, /proc/, /sys? -* NTP: the kernel's 11-minutes-mode syncs the system time to the RTC, but only - in an ~30 minutes window. It does not adjust larger differences. Find a way - to tell the kernel, to always do a full time sync when the RTC is in UTC and - we are in 11-minutes-mode. When we trust the system time to NTP we also want - the RTC to sync up. - * kernel: add device_type = "fb", "fbcon" to class "graphics" * drop accountsservice's StandardOutput=syslog and Type=dbus fields -* dbus upstream still refers to dbus.target and shouldn't +* dbus upstream still refers to dbus.target and should not * dbus: in fedora, make /var/lib/dbus/machine-id a symlink to /etc/machine-id @@ -757,7 +708,7 @@ Regularly: * pahole -* set_put(), hashmap_put() return values check. i.e. == 0 doesn't free()! +* set_put(), hashmap_put() return values check. i.e. == 0 does not free()! * use secure_getenv() instead of getenv() where appropriate