X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=TODO;h=1963af316043bb8f409afd58fd7f15831fa06558;hp=db2c623d1d5b8600adf0174e22a68be146f12219;hb=d9bf4f8c6c47b8620ffa1a056208eb15118b78d5;hpb=af1082b04a3d45a9b1d796b4271f44e87e307026 diff --git a/TODO b/TODO index db2c623d1..1963af316 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 +30,79 @@ External: * Fedora: post FPC ticket to move add %tmpfiles_create to the packaging guidelines -Preparation for 209: +Features: + +* journalctl: add the ability to look for the most recent process of a binary. journalctl /usr/bin/X11 --pid=-1 or so... -* Review new libraries +* set NOTIFY_SOCKET also for control processes -* Rework cgroup propagation logic +* drop parsing of chkconfig header lines from service.c -* libsystemd-journal returns the object created as first param in sd_journal_new(), sd_bus_new() and suchlike as last... +* mount_cgroup_controllers(): symlinks need to get the label applied -Features: +* 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 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 + don't 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 +118,10 @@ 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 @@ -74,9 +135,6 @@ 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 -* 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 @@ -95,8 +153,6 @@ 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 @@ -123,32 +179,32 @@ 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: + - make AddMatch calls on dbus1 transports async - when kdbus doesn't take our message without memfds, try again with memfds - - implement monitor logic + - 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? @@ -192,17 +248,15 @@ Features: * 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 @@ -225,11 +279,6 @@ 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 @@ -257,9 +306,7 @@ 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 @@ -324,7 +371,6 @@ 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 @@ -348,7 +394,6 @@ Features: - 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 @@ -364,7 +409,6 @@ 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 @@ -372,7 +416,6 @@ Features: - 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 - Modulate timer frequency based on battery state - - anacron-like feature * update the kernel's TZ (sys_tz) when DST changes @@ -383,10 +426,6 @@ 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 @@ -423,17 +462,14 @@ Features: * 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 /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" - - introduce --network-bridge= which works like --network-veth but also adds the host side to an existing bridge - - 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 @@ -484,8 +520,6 @@ 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. @@ -513,6 +547,7 @@ 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 @@ -543,7 +578,7 @@ Features: * for services: don't 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. @@ -639,17 +674,24 @@ 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) * 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 + - add support for multi-part messages (simply call the same callback repeatedly?) * networkd: + - change from udev to rtnl being the main events we listen to devices on, udev will then simply + be used for synchronization - 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 reduced [Link] support to .network files + - add IPv4LL tests (inspire by DHCP) + - add Scope= parsing option for [Network] + +* sd-network: + - make sure ipv4ll and dhcp clients can handle changing mac addresses while running External: @@ -689,6 +731,8 @@ 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()