X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=TODO;h=fb118f155028d32d6012f61f8dca0484be7a4a5a;hp=b9253f2f34ff2b3f72433a6b97b79f867edddc86;hb=7e9f159ca78d4cedc8d9c3276e409a4653a6af69;hpb=f8901862b2b030921b3d5aba4157044ceab16451 diff --git a/TODO b/TODO index b9253f2f3..fb118f155 100644 --- a/TODO +++ b/TODO @@ -1,4 +1,9 @@ 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? + * enabling an instance unit creates a pointless link, and the unit will be started with getty@getty.service: $ systemctl enable getty@.service @@ -14,10 +19,10 @@ Bugfixes: 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 @@ -27,41 +32,89 @@ External: Features: -* logind: avoid suspending on SW_LID if SW_DOCK is set +* generator that automatically discovers btrfs subvolumes, identifies their purpose based on some xattr on them. -* MessageQueueMessageSize= and RLimitFSIZE= (and suchlike) should use parse_iec_size(). +* support setting empty environment variables with Environment= and EnvironmentFile= + +* tmpfiles: figure out relation between Z and m? + +* systemd-notify: fake ucred of msg to PID of parent, if that works, with fallback to our own if it doesn't. + +* 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... + +* timesyncd: + - hookup with networkd: NTP servers from dhcp + +* 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 + +* add a kernel command line option to enable the debug shell + +* 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. + +* 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 + +* 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? -* man: move .link, .network and .netdev documentation into their own - man pages maybe called "systemd.link(5)", "systemd.network(5)" and - "systemd.netdev(5)" or so. +* 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 + +* 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 (and possibly related tools): support a new switch that - allows enumerating units in local containers recursively. "systemctl - list-units -R" or so should not only lists on the host, but also the - services in all containers in a pretty way, to give an overview of - the entire system. Also, maybe add "systemctl list-machines" which - works like "machinectl list" but includes information about the - health status of each registered machine. For that we should - probably implement something that encodes the system health status - in a single enum state, i.e. something like a system-wide state - starting → running → failed → stopping, that is based on the current - job queue and a check for failed services. Maybe then change - "systemctl status" without args to output this state along with a - selection of other data, such as the uptime or so. - -* Add a seccomp-based filter for socket() calls to limit services to - specific address families (for example: AF_UNIX), inspired by - Android's sandboxing - * 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 @@ -78,13 +131,9 @@ Features: on screen, not unlike how job control works on the shell * completions: - - busctl zsh completion is outdated - - systemd-nspawn -Z/-L/-q is missing for zsh - - systemd-nspawn completion is missing for bash - 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 @@ -116,8 +165,6 @@ 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 @@ -132,46 +179,38 @@ 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. - -* 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 - - constructors for bus messages should probably not be OK with a NULL bus pointer * sd-event - allow multiple signal handlers per signal? @@ -208,7 +247,7 @@ 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. @@ -220,10 +259,10 @@ Features: * 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 @@ -234,7 +273,7 @@ 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? @@ -251,7 +290,6 @@ Features: * 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 @@ -273,9 +311,7 @@ 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 @@ -292,7 +328,7 @@ 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 @@ -328,7 +364,7 @@ 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: @@ -356,14 +392,12 @@ 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 @@ -374,20 +408,16 @@ Features: - 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 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 @@ -398,10 +428,6 @@ 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 @@ -414,7 +440,7 @@ 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 @@ -423,7 +449,7 @@ Features: * 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 +* add "factory" 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/ @@ -435,17 +461,14 @@ 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: --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" - - allow booting disk images with a GPT signature using the bootloaderspec partition uuids * cryptsetup: - cryptsetup-generator: allow specification of passwords in crypttab itself @@ -481,9 +504,9 @@ 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 @@ -496,10 +519,8 @@ 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 @@ -543,7 +564,7 @@ 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? @@ -554,9 +575,9 @@ 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. @@ -633,8 +654,6 @@ Features: * fingerprint.target, wireless.target, gps.target, netdevice.target -* io priority during initialization - * drop cap bounding set in readahead and other services * systemd-python: @@ -652,16 +671,34 @@ Features: - Make sure ID_PATH is always exported and complete for network devices where possible, so we can safely rely on Path= matching + - 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) + - add tun/tap netdev support + - add more attribute support for SIT tunnel + +* networkd-wait-online: + - make operstates to wait for configurable? + +* dhcp: + - figure out how much we can increase Maximum Message Size + - export timezone information + - FORCERENEW External: @@ -675,17 +712,11 @@ 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 @@ -701,6 +732,8 @@ 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() @@ -711,7 +744,7 @@ 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