X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=TODO;h=de7639e863d970971235f96337814e2fabe3e172;hp=fce3db34ea7cf9699ef720b85eb2392457a86661;hb=490d99e9bf949a855ff9183465f2c265777a3272;hpb=d246fbb054974af4c78e0cf298e031291475cbc1 diff --git a/TODO b/TODO index fce3db34e..de7639e86 100644 --- a/TODO +++ b/TODO @@ -1,7 +1,17 @@ Bugfixes: -* remove MS_SHARED from src/core/execute.c and src/test/test-ns.c. They are always combined - with MS_REMOUNT, which currently does nothing in the kernel, but might which fail in the - future; https://bugzilla.redhat.com/show_bug.cgi?id=813563 +* there is nothing to warn about here :) + $ systemctl stop systemd-udevd.service systemd-udevd-kernel.socket systemd-udevd-control.socket + Warning: Stopping systemd-udevd.service, but it can still be activated by: + systemd-udevd-control.socket + systemd-udevd-kernel.socket + +* kill /etc/timezone handling entirely? What does it provide? + - /etc/localtime carries the same information already: + $ ls -l /etc/localtime; cat /etc/timezone + lrwxrwxrwx 1 root root 33 Jul 27 09:55 /etc/localtime -> /usr/share/zoneinfo/Europe/Berlin + Europe/Berlin + - systemd enforces /usr to be available at bootup, so we can + enforce the use of the symlink * check systemd-tmpfiles for selinux context hookup for mknod(), symlink() and similar @@ -20,47 +30,145 @@ Bugfixes: * we pull src/core/manager.h into src/shared/src/shared/path-lookup.c which is the wrong direction rename enum "ManagerRunningAs" to "SystemdRunningAs" and move it to shared/ +* crash happens when running a service as forking and then changing it to simple and reloading. + + Jul 09 18:20:57 mop systemd[1]: usbmuxd.service operation timed out. Terminating. + Jul 09 18:20:57 mop systemd[1]: Unit usbmuxd.service entered failed state. + Jul 09 18:22:24 mop systemd[1]: PID 21814 read from file /var/run/usbmuxd.pid does not exist. + Jul 09 18:22:24 mop systemd[1]: Unit usbmuxd.service entered failed state. + Jul 09 18:22:33 mop systemd[1]: Reloading. + Jul 09 18:22:37 mop systemd[1]: Assertion 's->type == SERVICE_FORKING' failed at src/core/service.c:3007, function service_sigchld_eve...Aborting. + Jul 09 18:22:37 mop systemd[1]: Caught , dumped core as pid 21865. + Jul 09 18:22:37 mop systemd[1]: Freezing execution. + Jul 09 18:22:37 mop [21866]: Process 21865 (systemd) dumped core. + +* support *static* (/run) hibernate inhibitors. All rpm -i actions should completely prevent any + sort of hibernate action until the next reboot. If the kernel or any other base tool is replaced + by rpm, the resume path might fail, the for resume needed kernel might even be uninstalled, and + the whole situation leads directly to data loss. + Features: -* journalctl should complain if run with uid != 0 and no persistant logs exist +* Query Paul Moore about relabelling socket fds while they are open -* .device aliases need to be implemented with the "following" logic, probably. +* move keymaps to /usr/lib/... rather than /usr/lib/udev/... -* add sd_journal_wait() to make things easier for sync programs that just want to wait for changes +* journald: check whether it is OK if the client can still modify delivered journal entries -* refuse taking lower-case variable names in sd_journal_send() and friends. +* json: use jensson -* when running as user instance: implicitly default to WorkingDirectory=$HOME for all services. +* json: properly serialize multiple fields with the same name per entry -* journalctl highlight reboots +* journald: add option to choose between "split up nothing", "split up login user journals", "split up all user journals" -* Merge KillUnit()'s mode and who params into one +* journal live copy, based on libneon (client) and libmicrohttpd -* load-fragment: when loading a unit file via a chain of symlinks - verify that it isn't masked via any of the names traversed. +* document in wiki json serialization -* journald: _BOOT_ID triggers too many collisions. +* python-journal merge -* journald: we currently rotate only after MaxUse+MaxFilesize has been reached. +* system-wide seccomp filter -* reexec journald across initrd transition +* securityfs: don't mount in container -* nspawn: bind mount /var/log/journal from the host +* slave/shared remount root fs in container might clash with CAP_SYS_MOUNTS -* The current Storage=auto logic is borked, since people cannot mount - /var/log/journal via NFS since the mount point has to exist and we - already take that as signal to store our stuff there. +* ability to pass fds into systemd -* document that journal data is primarily ASCII, UTF-8 where necessary and binary only where nothing else makes sense. +* system.conf should have controls for cgroups -* Document: - - PID 1 D-Bus API - - Journal C API manual pages - - scheduled shutdown API +* bind mount read-only the cgroup tree higher than than nspawn + +* currently system services appear not to generate core dumps... + +* wall messages for shutdown should move to logind + +* allow writing multiple conditions in unit files on one line + +* There's something wrong with escaping unit names: http://lists.freedesktop.org/archives/systemd-devel/2012-August/006292.html + +* cleanup ellipsation for log output in journalctl and systemctl status: have a sane way to disable ellipsation, and disable it by default when invoked in less/more + +* enforce limits on fds openened by socket units + +* 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. + +* maybe make systemd-detect-virt suid? or use fscaps? + +* shutdown: don't read-only mount anything when running in container + +* nspawn: --read-only is not applied recursively to submounts + +* MountFlags=shared acts as MountFlags=slave right now. + +* ReadOnlyDirectories= is not applied recursively to submounts + +* 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 + being properly synchronous we just keep open the fd and close it + when done. That means clients don't get a succesful method reply, + but much rather a disconnect on success. + +* document that service reload may be implemented as service reexec + +* remember which condition failed for services, not just the fact that something failed + +* use opterr = 0 for all getopt tools + +* properly handle loop back mounts via fstab, especially regards to fsck/passno + +* allow services with no ExecStart= but with an ExecStop= + +* add proper journal support to "systemctl --user status ..." + +* add _SYSTEMD_USER_UNIT= field to journal entries + +* dracut-shutdown needs to be ordered before unmounting /boot + +* wiki: document new logind LockSessions() call + +* initialize the hostname from the fs label of /, if /etc/hostname does not exist? + +* logind: different policy actions for idle, suspend, shutdown blockers: allow idle blockers by default, don't allow suspend blockers by default + +* install README to /etc/rc.d/init.d (if support for that is enabled) helping people who use "ls" there to figure out which services exist. + +* logind: ignore inactive login screens when checking whether power key should be handled + +* rename "userspace" to "core-os" + +* systemctl: "Journal has been rotated since unit was started." message is misleading + +* syscall filter: add knowledge about compat syscalls + +* syscall filter: don't enforce no new privs? -* wiki: document logind's PreparingForShutdown, PreparingForSleep +* syscall filter: option to return EPERM rather than SIGSYS? -* support debian's console-setup logic +* syscall filter: port to libseccomp + +* logind: wakelock/opportunistic suspend support + +* switch-root: sockets need relabelling + +* systemd-analyze post-boot is broken for initrd + +* man: clarify that time-sync.target is not only sysv compat but also useful otherwise. Same for similar targets + +* .device aliases need to be implemented with the "following" logic, probably. + +* refuse taking lower-case variable names in sd_journal_send() and friends. + +* load-fragment: when loading a unit file via a chain of symlinks + verify that it isn't masked via any of the names traversed. + +* journald: we currently rotate only after MaxUse+MaxFilesize has been reached. + +* Document: + - PID 1 D-Bus API * introduce Type=pid-file @@ -74,30 +182,33 @@ Features: * efi: honour timezone efi variables for default timezone selection -* new dependency type to "group" services in a target +* efi: automatically mount EFI partition to /boot if no such entry exists in /etc/fstab and /boot is empty + gummiboot exports the EFI system partion (ESP) device: + /sys/firmware/efi/vars/LoaderDeviceIdentifier-4a67b082-0a4c-41cf-b6c7-440b29bb8c4f/data + Acpi(PNP0A03,0)/Pci(1F|2)/?/HD(Part1,Sig1FCBC57F-4BFC-4C2B-91A3-9C84FBCD9AF1) + '/' is the separator for the device path list + HD(Part1,Sig1FCBC57F-4BFC-4C2B-91A3-9C84FBCD9AF1) contains the GPT UUID of the ESP + +* read the bootloader performance data (raw TSC) in systemd-analyze + /sys/firmware/efi/vars/LoaderTicksExec-4a67b082-0a4c-41cf-b6c7-440b29bb8c4f/data + 19066159288 + /sys/firmware/efi/vars/LoaderTicksInit-4a67b082-0a4c-41cf-b6c7-440b29bb8c4f/data + 17442940316 + /sys/firmware/efi/vars/LoaderTicksStartMenu-4a67b082-0a4c-41cf-b6c7-440b29bb8c4f/data + (only set if the menu was active) * change Requires=basic.target to RequisiteOverride=basic.target -* exclude processes marked with argv[0][0]=@ from the normal service killing too - * support rd.luks.allow-discards= kernel cmdline params in cryptsetup generator * systemctl: when stopping a service which has triggres and warning about it actually check the TriggeredBy= deps fields -* journal: hook up with EFI firmware log, new kmsg logic - -* handle C-A-Del in logind, like the power/suspend buttons? +* journal: hook up with EFI firmware log * nspawn: make use of device cgroup contrller by default -* journalctl /dev/sda, journalctl --device=b12:8 (--device=n12, --device=+usb:1-1) - -* make use of /sys/power/wake_lock in inhibitors - * drop accountsservice's StandardOutput=syslog and Type=dbus fields -* make sure show-logs checks for utf8 validity, not ascii validity - * when breaking cycles drop sysv services first, then services from /run, then from /etc, then from /usr * readahead: when bumping /sys readahead variable save mtime and compare later to detect changes @@ -106,12 +217,6 @@ Features: - implement .d/ auto includes for unit files - add syntax to reset ExecStart= lists (and similar) -* manipulate CPU governor during boot, set it to performance - -* steal SBF management from the kernel - -* delay journal /var writeout to after boot if SBF is clean - * move passno parsing to fstab generator * improve !/proc/*/loginuid situation: make /proc/*/loginuid less dependent on CONFIG_AUDIT, @@ -147,8 +252,6 @@ Features: * Add pretty name for seats in logind -* nspawn wants dev_setup() for /dev/fd/ and friends? - * selinux: merge systemd selinux access controls (dwalsh) * ConditionSecurity= should learn about IMA @@ -176,17 +279,12 @@ Features: * cleanup syslog 'priority' vs. 'level' wording -* journal: if mmap() fails for mapping window try to unmap a a few older maps - * 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= -* journald: make configurable "store-on-var", "store-on-run", "dont-store", "auto" - (store-persistent, store-volatile?) - * introduce mix of BindTo and Requisite * journalctl: show multiline log messages sanely, expand tabs, and show all valid utf8 messages @@ -213,18 +311,12 @@ Features: * dbus: in fedora, make the machine a symlink to /etc/machine-id +* dbus: move dbus to early boot + * journald: reuse XZ context * logind: add equivalent to sd_pid_get_owner_uid() to the D-Bus API -* write RPM spec macros for presets - -* journal: write man pages for API - -* journal: OR matches are borked - -* journal: extend hash tables as we go - * journal: API for looking for retrieving "all values of this field" * journal: deal nicely with byte-by-byte copied files, especially regards header @@ -233,17 +325,11 @@ Features: * journal: message catalog -* journal: forward-secure signatures - * document the exit codes when services fail before they are exec()ed -* rework namespace support, don't use pivot_root, and mount things after creating the namespace, not before - * systemctl journal command -* journalctl: --cursor support, priority filtering - -* systemctl status: show coredumps +* journalctl: --cursor support * save coredump in Windows/Mozilla minidump format @@ -264,8 +350,6 @@ Features: * default to actual 32bit PIDs, via /proc/sys/kernel/pid_max -* add an option to make mounts private/shareable and so on, enable this for root by default - * be able to specify a forced restart of service A where service B depends on, in case B needs to be auto-respawned? @@ -324,8 +408,6 @@ Features: * GC unreferenced jobs (such as .device jobs) -* when failing to start a service due to ratelimiting, try again later, if restart=always is set - * write blog stories about: - enabling dbus services - status update @@ -336,6 +418,7 @@ Features: - resource control in systemd - inhibiting - testing with Harald's awesome test kit + - restart * allow port=0 in .socket units @@ -369,7 +452,7 @@ Features: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=99ee5315dac6211e972fa3f23bcc9a0343ff58c4 * implicitly import "defaults" settings file into all types -* exec settings override + * writable cgroups dbus properties for live changes * read config fragments for all units from /lib/systemd/system/foobar.service.d/ to override/extend specific settings @@ -429,16 +512,14 @@ Regularly: * Use PR_SET_PROCTITLE_AREA if it becomes available in the kernel -* %m in printf() instead of strerror(); +* %m in printf() instead of strerror(errno); * pahole * set_put(), hashmap_put() return values check. i.e. == 0 doesn't free()! +* use __secure_getenv() instead of getenv() where appropriate + Scheduled for removal (or fixing): * xxxOverridable dependencies - -* journald.conf: ImportKernel= - -* prefdm.service