X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=TODO;h=0eae14fec02e61f27de603ee4dabf523bd9cf8a8;hp=7f7760547915cd68ce1500f3b8fca20b9233ac9f;hb=6c12b52e19640747e96f89d85422941a23dc6b29;hpb=dd359de89b1fbabf6f4eb5003d2b5a806b6185c1 diff --git a/TODO b/TODO index 7f7760547..279446e6e 100644 --- a/TODO +++ b/TODO @@ -11,56 +11,238 @@ Bugfixes: * properly handle .mount unit state tracking when two mount points are stacked one on top of another on the exact same mount point. -* add 'set -e' to scripts in test/ -* make test in test/ work with separate output dir +Fedora 19: + +* external: maybe it is time to patch procps so that "ps" links to + libsystemd-logind to print a pretty service name, seat name, session + name in its output. Currently it only shows cgroup membership, but + that's sometimes kinda hard to parse for a human. + +* cgroup attrs: + - update dbus interface docs in wiki + +* localed: + - localectl: support new converted x11→console keymaps + +* when installing fedora with yum --installroot /var/run is a directory, not a symlink + +Features: + +* service_coldplug() appears to reinstall the wrong stop timeout watch? + +* transient units: allow creating auxiliary units with the same call + +* make BlockIODeviceWeight=, BlockIODeviceBandwidth= runtime settable + +* split up BlockIOWeight= and BlockIODeviceWeight= + +* how to reset dynamically changed attributes sanely? + +* when reloading configuration, apply new cgroup configuration + +* implement system-wide DefaultCPUAccounting=1 switch (and similar for blockio, memory?) + +* implement per-slice CPUFairScheduling=1 switch + +* handle jointly mounted controllers correctly + +* split out CreateMachine into systemd-machined + +* introduce new Scope unit type then make logind's session and machine + registration use this to set up cgroups + +* should Slice= be part of [Unit] or of [Service]? + +* journald: make sure ratelimit is actually really per-service with the new cgroup changes + +* move systemctl dump to systemd-analyze + +* libsystemd-logind: sd_session_is_active() and friends: verify + validity of session name before appending it to a path + +* logind: when a PAM client calls ReleaseSession() start a timeout and + kill the session entirely after that is reached. + +* gparted needs to disable auto-activation of mount units somehow, or + maybe we should stop doing auto-activiation of this after boot + entirely. https://bugzilla.gnome.org/show_bug.cgi?id=701676 + +* when a service changes state make reflect that in the + RUNNING/LISTENING states of its socket + +* when recursively showing the cgroup hierarchy, optionally also show + the hierarchies of child processes + +* document logic of auto/noauto and fail/nofail in fstab in systemd.mount or systemd-fstab-generator man page + +* we should properly escape ssh hostnames we add into dbus server strings + +* something pulls in pcre as so dep into our daemons such as hostnamed. + +* cgroup-agent: downgrade error messages + +* document systemd-journal-flush.service properly + +* chane 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, + hence doing this via signals is not going to work. + +* allow implementation of InaccessibleDirectories=/ plus + ReadOnlyDirectories=... for whitelisting files for a service. + +* libsystemd-journal: + - return ECHILD as soon as somebody tries to reuse a journal object across a fork() + +* libsystemd-bus: + - default policy (allow uid == 0 and our own uid) + - enforce alignment of pointers passed in + - when kdbus doesn't take our message without memfds, try again with memfds + - implement translator service + - port systemd to new library + - implement busname unit type in systemd + - move to gvariant + - merge busctl into systemctl or so? + - synthesize sd_bus_message objects from kernel messages + - properly implement name registry ioctls for kdbus + - get rid of object hash table, use decision tree everyhwere instead? + - implement monitor logic + - object vtable logic + - longer term: + * priority queues + * priority inheritance + +* in the final killing spree, detect processes from the root directory, and + complain loudly if they have argv[0][0] == '@' set. + https://bugzilla.redhat.com/show_bug.cgi?id=961044 + +* add an option to nspawn that uses seccomp to make socket(AF_NETLINK, + SOCK_RAW, NETLINK_AUDIT) fail the the appropriate error code that + makes the audit userspace to think auditing is not available in the + kernel. + +* Introduce a way how we can kill the main process of a service with KillSignal, but all processes with SIGKILL later on + https://bugzilla.redhat.com/show_bug.cgi?id=952634 + +* maybe add a warning to the unit file parses whern the acces mode of unit files is non-sensical. + +* investigate endianess issues of UUID vs. GUID + +* dbus: when a unit failed to load (i.e. is in UNIT_ERROR state), we + should be able to safely try another attempt when the bus call LoadUnit() is invoked. + +* if pam_systemd is invoked by su from a process that is outside of a + any session we should probably just become a NOP, since that's + usually not a real user session but just some system code that just + needs setuid(). + +* add a pam module that passes the hdd passphrase into the PAM stack and then expires it, for usage by gdm auto-login. + +* add a pam module that on password changes updates any LUKS slot where the password matches + +* maybe add a generator that looks for "systemd.run=" on the kernel cmdline for container usercases... + +* timedatctl, localectl: possibly make some commands work without the daemon, for chroot situations... + +* logind: add Suspend() bus calls which take timestamps to fix double suspend issues when somebody hits suspend and closes laptop quickly. + +* we need dynamic units + +* cgtop: make cgtop useful in a container + +* test/: + - add 'set -e' to scripts in test/ + - make stuff in test/ work with separate output dir + - remove all the duplicated code in test/ * suppress log output on shutdown when "quiet" is used -Fedora 19: -* make anaconda write timeout=0 for encrypted devices +* systemctl delete x.snapshot leaves no trace in logs (at least at default level). -* drop no longer needed modprobe.d udlfb file (it does not belong in /etc anyway) +* 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. -* Retest multi-seat (new kms driver for displaylink) +* move /usr/lib/modules/$(uname -r)/modules.devname parsing from udevd to + kmod static-nodes + call kmod as an early service, and drop CAP_MKNOD from udevd.service -* make sure pkexec works fine with pam_systemd works fine with audit=0 +* seems that when we follow symlinks to units we prefer the symlink + destination path over /etc and /usr. We shouldn't do that. Instead + /etc should always override /run+/usr and also any symlink + destination. -* create /var/log/journal/ +* remove duplicate default deps logic from fstab-generator vs. mount.c -* external: maybe it is time to patch procps so that "ps" links to - libsystemd-logind to print a pretty service name, seat name, session - name in its output. Currently it only shows cgroup membership, but - that's sometimes kinda hard to parse for a human. +* when isolating, try to figure out a way how we implicitly can order + all units we stop before the isolating unit... -* cgroup attrs: - - don't unconditionally filter out duplicate settings - - support high-level cgroup setting syntax in systemctl. Example: "systemctl set-cgroup-attr MemoryLimit 5K" - - support writte string mapping even for non-high-level settings - - add man page for systemctl commands - - make sure we work fine with multi-line strings +* teach udev + logind's uaccess to somehow handle the "dead" device nodes from: + /lib/modules/$(uname -r)/modules.devname + and apply ACLs to them if they have TAG=="uaccess" in udev rules. -* kernel cmdline switch to turn off predictable network interface names +* add ConditionArchitecture= or so -* journal is not closed properly at shutdown when run in a container? +* teach ConditionKernelCommandLine= globs or regexes (in order to match foobar={no,0,off}) -* introduce new "journal" group in place of adm? +* we should log capabilities too -* localed: - - localectl: add listing support for X11 keymaps, by parsing /usr/share/X11/xkb/rules/xorg.lst - - localectl: support new converted x11→console keymaps +* Support SO_REUSEPORT with socket activation: + - Let systemd maintain a pool of servers. + - Use for seamless upgrades, by running the new server before stopping the + old. -* logind: Class property should probably know "background" or so as value for cron jobs, and the inhibition checks should filter those out too. +* after all byte-wise realloc() is slow, even on glibc, so i guess we + need manual exponential loops after all -* timer logic is confused by units which are skipped due to failing condition - http://lists.freedesktop.org/archives/systemd-devel/2013-February/008816.html +* 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. -Features: +* man: remove .include documentation, and instead push people to use .d/*.conf -* ensure sd_journal_seek_monotonic actually works properly. +* think about requeuing jobs when daemon-reload is issued? usecase: + the initrd issues a reload after fstab from the host is accessible + and we might want to requeue the mounts local-fs acquired through + that automatically. -* timedate: have global on/off switches for auto-time (NTP), and auto-timezone that connman can subscribe to. +* rework specifier logic so that we can distuingish OOM errors from other errors + +* systemd-inhibit: make taking delay locks useful: support sending SIGINT or SIGTERM on PrepareForSleep() + +* 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 + +* documentation: recommend to connect the timer units of a service to the service via Also= in [Install] + +* add a tool that lists active timer units plus their next elapstion and the time the units ran last + +* man: document the very specific env the shutdown drop-in tools live in -* support --root= in msgcatalog compiler +* shutdown logging: store to EFI var, and store to USB stick? + +* man: extend runlevel(8) to mention that runlevels suck, and are dead. Maybe add runlevel(7) with a note about that too + +* systemctl: maybe add "systemctl add-wants" or so... + +* man: add more examples to man pages + +* man: maybe sort directives in man pages, and take sections from --help and apply them to man too + +* write UI tool that pops up emergency messages from the journal as notification + +* think about window-manager-run-as-user-service problem: exit 0 → activate shutdown.target; exit != 0 → restart service + +* msgcatalog determine default language of entries from the catalog + file name. i.e. foobar.de_DE.catalog would set the default entry + name for the entries to de_DE if they aren't explicitly suffixed + individually. + +* 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. * Honour "-" prefix for InaccessibleDirectories= and ReadOnlyDirectories= to suppress errors of the specified path doesn't exist @@ -70,22 +252,17 @@ Features: so that libudev reports them as present, and systemd's .device units will be activated. -* merge service_kill() logic into unit_kill_context() and unify the code paths +* merge unit_kill_common() and unit_kill_context() * introduce ExecCondition= in services -* if we have systemd-analyze in C "systemctl dot" should move there too - * EFI: - fsck hookup for the ESP mount is missing - write man page for efi boot generator - - add configure switch for enabling/disabling efi stuff - honor language efi variables for default language selection (if there are any?) - honor timezone efi variables for default timezone selection (if there are any?) - introduce bootctl (backed by systemd-bootd) to control temporary and persistent default boot goal plus efi variables -* polkit: add configure switch to enable/disable polkit client side code - * maybe do not install getty@tty1.service symlink in /etc but in /usr? * re-enable "make check" for gtk-doc (broken for unknown reason) @@ -106,9 +283,9 @@ Features: - logind: spawn user@..service on login - logind: non-local X11 server handling - logind: add equivalent to sd_pid_get_owner_uid() to the D-Bus API - - pam_systemd: try to get old session id from cgroup, if audit sessionid cannot be determined - pam: when leaving a session explicitly exclude the ReleaseSession() caller process from the killing spree - logind: GetSessionByPID() should accept 0 as PID value + - we should probably handle SIGTERM/SIGINT to not leave dot files around, just in case * exec: when deinitializating a tty device fix the perms and group, too, not only when initializing. Set access mode/gid to 0620/tty. @@ -117,6 +294,10 @@ Features: * service: watchdog logic: for testing purposes allow ping, but do not require pong * journal: + - do not use magic msync() in src/journal/journal-file.c, just call fsync() + poettering: looks like msync just calls vfs_fsync + http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/mm/msync.c#n18 + - import and delete pstore filesystem content at startup - 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. @@ -130,22 +311,17 @@ Features: - check if we can make journalctl by default use --follow mode inside of less if called without args? - maybe add API to send pairs of iovecs via sd_journal_send - journal: when writing journal auto-rotate if time jumps backwards - - gatewayd: should run under its own UID - - journal: add a setgid "adm" utility to invoke from libsystemd-journal, which passes fds via STDOUT and does PK access + - journal: add a setgid "systemd-journal" utility to invoke from libsystemd-journal, which passes fds via STDOUT and does PK access - journactl: support negative filtering, i.e. FOOBAR!="waldo", and !FOOBAR for events without FOOBAR. - journal: when rotating, copy over old acls/access mode - - journal: document why we do not give ownership to journal files to the user that created them but use FS ACLs for that - journal: send out marker messages every now and then, and immediately sync with fdatasync() afterwards, in order to have hourly guaranteed syncs. - - journal: when we haven't written anything in a while, sync to disk and mark file as offline, in order to be more often than not in a clean state - journal-send.c, log.c: when the log socket is clogged, and we drop, count this and write a message about this when it gets unclogged again. - journal: find a way to allow dropping history early, based on priority, other rules - journal: When used on NFS, check payload hashes - - journal: When used on NFS make sure wake up sd_journal_wait() every 2s, to handle missing inotify - - document that people can use file system ACLs to manage access to journal files, with example - Introduce journalctl -b to show journal messages of a previous boot - journald: check whether it is OK if the client can still modify delivered journal entries - - journal live copy, based on libneon (client) and libmicrohttpd + - journal live copy, based on libneon (client) and libmicrohttpd (server) - journald: add kernel cmdline option to disable ratelimiting for debug purposes - refuse taking lower-case variable names in sd_journal_send() and friends. - journald: we currently rotate only after MaxUse+MaxFilesize has been reached. @@ -153,6 +329,8 @@ Features: - journalctl: show multiline log messages sanely, expand tabs, and show all valid utf8 messages - journal: store euid in journal if it differs from uid - journal: sanely deal with entries which are larger than the individual file size, but where the components would fit + - Replace utmp, wtmp, btmp, and lastlog completely with journal + - Port upower to use the journal for historical power information used in future calculations * document: - document unit_name_mangle() @@ -162,7 +340,6 @@ Features: - Document word splitting syntax for ExecStart= and friends - document that units from /etc override those from /usr and /run - document the exit codes when services fail before they are exec()ed - - document that %% can be used to write % in a string that is specifier extended - document that service reload may be implemented as service reexec - document in wiki how to map ical recurrence events to systemd timer unit calendar specifications @@ -181,8 +358,6 @@ Features: - 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" -* When shutdown.target is queued begin with an asynchronous sync()? - * introduce ntp.service (or suchlike) as symlink that is used to arbitrate between various NTP implementations * deal with sendmail/postfix exclusivity @@ -230,7 +405,6 @@ Features: * fedup: generator * timedated: - - timedated: export boolean that clarifies whether NTP is even available - 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 @@ -255,8 +429,6 @@ Features: * currently x-systemd.timeout is lost in the initrd, since crypttab is copied into dracut, but fstab isn't -* WorkingDirectory: support env var replacements like in ExecStart= so that people can use $HOME - * refuse boot if /etc/machine-id is not useful (or set taint?) * nspawn: @@ -270,14 +442,13 @@ Features: interfaces to the container - nspawn: maybe add a way to drop additional caps, in addition to add additional caps - nspawn: maybe explicitly reset loginuid? + - nspawn: make it work for dwalsh and shared /usr containers -- tmpfs mounts as command line parameters, selinux exec context * cryptsetup: - - cryptsetup-generator: warn if the password files are world-readable - - cryptsetup-generator: add RequiresMountsFor= to cryptseup service files referencing a file, similar for devices - cryptsetup-generator: allow specification of passwords in crypttab itself - move cryptsetup key caching into kernel keyctl? https://bugs.freedesktop.org/show_bug.cgi?id=54982 - - when key file cannot be found, read it from kbd in cryptsetup + - support rd.luks.allow-discards= kernel cmdline params in cryptsetup generator * move debug shell to tty6 and make sure this doesn't break the gettys on tty6 @@ -305,8 +476,6 @@ Features: * explore multiple service instances per listening socket idea -* testing tool for socket activation: some binary that listens on a socket and passes it on using the usual socket activation protocol to some server. - * shutdown: don't read-only mount anything when running in container * MountFlags=shared acts as MountFlags=slave right now. @@ -341,8 +510,6 @@ Features: - syscall filter: port to libseccomp - system-wide seccomp filter -* systemd-analyze: data collection tools should be lightweight (few dependencies); data analysis tools can be heavyweight - * .device aliases need to be implemented with the "following" logic, probably. * load-fragment: when loading a unit file via a chain of symlinks @@ -350,14 +517,8 @@ Features: * introduce Type=pid-file -* maybe allow services with ExecStop= set, but no ExecStart=? - * change Requires=basic.target to RequisiteOverride=basic.target -* support rd.luks.allow-discards= kernel cmdline params in cryptsetup generator - -* drop accountsservice's StandardOutput=syslog and Type=dbus fields - * when breaking cycles drop sysv services first, then services from /run, then from /etc, then from /usr * move passno parsing to fstab generator @@ -377,10 +538,8 @@ Features: * ExecOnFailure=/usr/bin/foo -* ConditionSecurity= should learn about IMA and SMACK - * udev: - - remove all (misguided from day 1) userspace firmware_class handling + - remove src/udev/udev-builtin-firmware.c (CONFIG_FW_LOADER_USER_HELPER=n) - move to LGPL - unify utf8 validator code with shared/ - kill scsi_id @@ -388,8 +547,6 @@ Features: * cleanup syslog 'priority' vs. 'level' wording -* dbus upstream still refers to dbus.target and shouldn'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 * support container_ttys= @@ -404,12 +561,6 @@ Features: * default unix qlen is too small (10). bump sysctl? add sockopt? -* figure out whether we should leave dbus around during shutdown - -* dbus: in fedora, make /var/lib/dbus/machine-id a symlink to /etc/machine-id - -* dbus: move dbus to early boot - * save coredump in Windows/Mozilla minidump format * support crash reporting operation modes (https://live.gnome.org/GnomeOS/Design/Whiteboards/ProblemReporting) @@ -482,14 +633,16 @@ Features: - non-cgroup resource management - dynamic resource management with cgroups - refreshed, longer missions statement - - celendar time events + - calendar time events + - init=/bin/sh vs. "emergency" mode, vs. "rescue" mode, vs. "multi-user" mode, vs. "graphical" mode, and the debug shell + - how to create your own target + - instantiated apache, dovecot and so on + - hooking a script into various stages of shutdown/rearly booot * allow port=0 in .socket units * support systemd.mask= on the kernel command line. -* reuse mkdtemp namespace dirs in /tmp? - * recreate systemd's D-Bus private socket file on SIGUSR2 * Support --test based on current system state @@ -515,6 +668,17 @@ Features: * drop cap bounding set in readahead and other services +* systemd-python: + - figure out a simple way to wait for journal events in a way that + works with ^C + - add documentation to systemd.daemon + +* bootchart: + - plot per-process IO utilization + - group processes based on service association (cgroups) + - document initcall_debug + - kernel cmdline "bootchart" option for simplicity? + External: * dbus: @@ -540,9 +704,23 @@ External: * kernel: add device_type = "fb", "fbcon" to class "graphics" -* bootchart: - - use conf_parser for bootchart.conf - - change config options to CamelCase +* drop accountsservice's StandardOutput=syslog and Type=dbus fields + +* dbus upstream still refers to dbus.target and shouldn't + +* dbus: in fedora, make /var/lib/dbus/machine-id a symlink to /etc/machine-id + +* add "# export SYSTEMD_PAGER=" to bash login + +* /usr/bin/service should actually show the new command line + +* fedora: suggest auto-restart on failure, but not on success and not on coredump. also, ask people to think about changing the start limit logic. Also point people to RestartPreventExitStatus=, SuccessExitStatus= + +* fedora: F20: go timer units all the way, leave cron.daily for cron + +* neither pkexec nor sudo initialize environ[] from the PAM environment? + +* fedora: update policy to declare access mode and ownership of unit files to root:root 0644, and add an rpmlint check for it Regularly: