X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=TODO;h=50d3f796a2d61673bf042c3ad35388b6b1018e12;hp=cae51af0063b46acf0d6b99204b20820b993f211;hb=3eb94c9e9e25586fa8ac93545810b87ce9241363;hpb=6cd6fdb22820c5881a316831f4cf57d5d6e31144 diff --git a/TODO b/TODO index cae51af00..50d3f796a 100644 --- a/TODO +++ b/TODO @@ -1,4 +1,6 @@ Bugfixes: +* Should systemctl status \* work on all unit types, not just .service? + * enabling an instance unit creates a pointless link, and the unit will be started with getty@getty.service: $ systemctl enable getty@.service @@ -16,6 +18,9 @@ Bugfixes: * 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 @@ -25,22 +30,89 @@ External: * Fedora: post FPC ticket to move add %tmpfiles_create to the packaging guidelines -Preparation for 209: +Features: + +* timesyncd: + - hookup with networkd: NTP servers from dhcp + - hookup with networkd: listen to online/offline state -* Review new libraries +* a way for container managers to turn off getty starting via $container_headless= or so... -* Rework cgroup propagation logic +* figure out a nice way how we can let the admin know what child/sibling unit causes cgroup membership for a specific unit -* libsystemd-journal returns the object created as first param in sd_journal_new(), sd_bus_new() and suchlike as last... +* add a kernel command line option to enable the debug shell -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 + +* drop parsing of chkconfig header lines from service.c + +* 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. 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 RPM macros for registering/unregistering binfmt drop-ins + +* 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 + +* sd-resolve: add callback api + +* ImmutableSystem=yes/no or so to mount /usr, /boot read-only/invisible, and leave /var and /etc writable + +* InaccessibleHome=yes/no or so to hide /home and /run/user from a service + +* Run most system services with cgroupfs read-only and procfs with a more secure mode + +* sd-event: generate a failure of a default event loop is executed out-of-thread + +* 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. + +* expose "Locked" property on logind sesison objects + +* 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, ... + +* 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 + 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 + +* 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 * implement Distribute= in socket units to allow running multiple service instances processing the listening socket, and open this up for ReusePort= -* add a timelimit to generator invocation - * 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 @@ -56,11 +128,10 @@ 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 -* machinectl bash completion is missing -* busctl bash and zsh completions are outdated +* completions: + - manager property enumeration was broken when systemd moved to /usr/lib/ * 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 @@ -92,8 +163,6 @@ Features: * 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 -* 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 @@ -108,7 +177,7 @@ 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. @@ -120,32 +189,32 @@ Features: 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. * sd-bus: - - when kdbus doesn't take our message without memfds, try again with memfds - - implement monitor logic + - make AddMatch calls on dbus1 transports async + - 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 - see if we can drop more message validation on the sending side - add API to clone sd_bus_message objects - - 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... - longer term: priority inheritance - - check sender of response messages - dbus spec updates: - kdbus mapping - NameLost/NameAcquired obsolete - GVariant - "const" properties (posted) - - port exit-on-idle logic to byebye ioctl + - path escaping - 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 * sd-event - allow multiple signal handlers per signal? @@ -182,24 +251,22 @@ Features: 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. * 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}) * after all byte-wise realloc() is slow, even on glibc, so i guess we need manual exponential loops after all -* BootLoaderSpec: drop allowing ext234 for $BOOT. Clarify that the - kernel has to be in $BOOT. Clarify that the boot loader should be - installed to the ESP. Define a way how an installer can figure out - whether a BLS compliant boot loader is installed. +* BootLoaderSpec: Clarify that the kernel has to be in $BOOT. Clarify + that the boot loader should be installed to the ESP. Define a way + how an installer can figure out whether a BLS compliant boot loader + is installed. * think about requeuing jobs when daemon-reload is issued? usecase: the initrd issues a reload after fstab from the host is accessible @@ -210,7 +277,7 @@ 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? @@ -222,11 +289,6 @@ Features: * 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 @@ -254,9 +316,7 @@ Features: - logind: wakelock/opportunistic suspend support - Add pretty name for seats in logind - logind: allow showing logout dialog from system? - - logind: add equivalent to sd_pid_get_owner_uid() to the D-Bus API - 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 @@ -273,7 +333,7 @@ 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 @@ -309,7 +369,7 @@ 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: @@ -321,7 +381,6 @@ 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 - - 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 @@ -338,14 +397,13 @@ Features: - 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 - - in systemctl list-timers show time triggering units ran last * unit install: - "systemctl mask" should find all names by which a unit is accessible @@ -361,15 +419,13 @@ Features: * deal with sendmail/postfix exclusivity * timer units: - - timer events with system resume - 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 - - anacron-like feature * update the kernel's TZ (sys_tz) when DST changes @@ -380,10 +436,6 @@ 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. -* 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 @@ -396,7 +448,7 @@ Features: * 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 @@ -417,19 +469,17 @@ Features: * 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: consider changing users for -u with /usr/bin/getent, so that NSS resolving works correctly - - nspawn: implement personality changes a la linux32(8) - 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 - - 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). - support taking a btrfs snapshot at startup and dropping it afterwards - maybe: hookup nspawn and PrivateNetwork=yes with "ip netns" - - allow booting disk images with a GPT signature using the bootloaderspec partition uuids + - 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 @@ -465,9 +515,9 @@ Features: * 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 @@ -480,10 +530,8 @@ Features: * rename "userspace" to "core-os" -* syscall filter: optionally don't enforce no new privs? - * 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 @@ -509,6 +557,7 @@ Features: - 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 @@ -526,7 +575,7 @@ 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? @@ -537,9 +586,9 @@ Features: - 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/TCPWrap options in fragment parser when compile time disabled +* hide PAM options in fragment parser when compile time disabled * when we automatically restart a service, ensure we restart its rdeps, too. @@ -635,19 +684,31 @@ Features: - 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) + - check MTUBytes parsing (expecting size_t but we are using unsigned) * sd-rtnl: - - add support for exiting containers without reading them fully first - add support for more attribute types + - inbuilt piping support (essentially degenerate async)? see loopback-setup.c and other places * 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 + - patch kernel to support module alias for tunnel device (ipip/sit/gre), + then remove remove libkmod dependency and CAP_SYS_MODULE + - add veth netdev support (c.f. http://shorewall.net/bridge-Shorewall-perl.html#veth) 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 @@ -668,7 +729,7 @@ External: * 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 @@ -684,6 +745,8 @@ External: * fedora: update policy to declare access mode and ownership of unit files to root:root 0644, and add an rpmlint check for it +* register catalog database signature as file magic + Regularly: * look for close() vs. close_nointr() vs. close_nointr_nofail() @@ -694,7 +757,7 @@ 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