X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=TODO;h=89006a5d70a9965b1c4040db3dfbae9cf11fdad0;hp=8df6a3d0cd09e9bbe43e2e66e23bea06f45fb9af;hb=1df52dd282cd6014ace8ca2279dd90d9ea52d2a4;hpb=e8d842a0d0b39f298e1e7f70d29759e50b2b16d4 diff --git a/TODO b/TODO index 8df6a3d0c..89006a5d7 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 @@ -27,46 +32,89 @@ External: Features: -* 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. +* timesyncd: + - config file + - reconnect on reply timeout + - hookup with networkd: dhcp, listen to online/offline state + - res_init() + +* 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 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. -* extend device cgroup controller support to allow enabling groups of - device nodes, so that pts can be allowed in whole. For that, - introduce the syntax "block-XYZ" and "char-XYZ" in addition to the - existing "/dev/foobar", where XYZ then is looked up in /proc/devices - and mapped to one or more majors. +* support transient mount units -* Add all pts device nodes to those allowed by default when the device - controller is used. +* 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 -* 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 @@ -83,13 +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 @@ -121,8 +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 @@ -149,34 +191,32 @@ 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 - - constructors for bus messages should probably not be OK with a NULL bus pointer * sd-event - allow multiple signal handlers per signal? @@ -225,10 +265,10 @@ 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 @@ -251,11 +291,6 @@ 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 @@ -283,9 +318,7 @@ 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 @@ -373,7 +406,6 @@ 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 @@ -389,7 +421,6 @@ 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 @@ -397,7 +428,6 @@ 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 @@ -408,10 +438,6 @@ 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 @@ -448,16 +474,14 @@ 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" - - 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 @@ -508,8 +532,6 @@ 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. @@ -568,7 +590,7 @@ 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. @@ -664,19 +686,29 @@ 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 + - 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 @@ -713,6 +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()