diff options
Diffstat (limited to 'TODO')
| -rw-r--r-- | TODO | 105 |
1 files changed, 60 insertions, 45 deletions
@@ -23,54 +23,96 @@ External: Janitorial Clean-ups: -* code cleanup: retire FOREACH_WORD_QUOTED, port to extract_first_word() loops instead +* code cleanup: retire FOREACH_WORD_QUOTED, port to extract_first_word() loops instead. + For example, most conf parsing callbacks should use it. * replace manual readdir() loops with FOREACH_DIRENT or FOREACH_DIRENT_ALL -* Get rid of the last strerror() invocations in favour of %m and strerror_r() - * Rearrange tests so that the various test-xyz.c match a specific src/basic/xyz.c again Features: +* drop nss-myhostname in favour of nss-resolve? + +* drop internal dlopen() based nss-dns fallback in nss-resolve, and rely on the + external nsswitch.conf based one + +* add a percentage syntax for TimeoutStopSec=, e.g. TimeoutStopSec=150%, and + then use that for the setting used in user@.service. It should be understood + relative to the configured default value. + +* on cgroupsv2 add DelegateControllers=, to pick the precise cgroup controllers to delegate + +* in networkd, when matching device types, fix up DEVTYPE rubbish the kernel passes to us + +* enable LockMLOCK to take a percentage value relative to physical memory + +* switch to ProtectSystem=strict for all our long-running services where that's possible + +* If RootDirectory= is used, mount /proc, /sys, /dev into it, if not mounted yet + +* Permit masking specific netlink APIs with RestrictAddressFamily= + +* nspawn: start UID allocation loop from hash of container name + +* nspawn: support that /proc, /sys/, /dev are pre-mounted + +* define gpt header bits to select volatility mode + +* nspawn: mount loopback filesystems with "discard" + * ProtectKernelLogs= (drops CAP_SYSLOG, add seccomp for syslog() syscall, and DeviceAllow to /dev/kmsg) in service files * ProtectClock= (drops CAP_SYS_TIMES, adds seecomp filters for settimeofday, adjtimex), sets DeviceAllow o /dev/rtc -* ProtectMount= (drop mount/umount/pivot_root from seccomp, disallow fuse via DeviceAllow, imply Mountflags=slave) +* ProtectKernelModules= (drops CAP_SYS_MODULE and filters the kmod syscalls) + +* ProtectTracing= (drops CAP_SYS_PTRACE, blocks ptrace syscall, makes /sys/kernel/tracing go away) -* ProtectDevices= should also take iopl/ioperm/pciaccess away +* ProtectMount= (drop mount/umount/pivot_root from seccomp, disallow fuse via DeviceAllow, imply Mountflags=slave) * ProtectKeyRing= to take keyring calls away -* PrivateUsers= which maps the all user ids except root and the one specified - in User= to nobody +* RemoveKeyRing= to remove all keyring entries of the specified user + +* ProtectReboot= that masks reboot() and kexec_load() syscalls, prohibits kill + on PID 1 with the relevant signals, and makes relevant files in /sys and + /proc (such as the sysrq stuff) unavailable -* Add AllocateUser= for allowing dynamic user ids per-service +* DeviceAllow= should also generate seccomp filters for mknod() * Add DataDirectory=, CacheDirectory= and LogDirectory= to match RuntimeDirectory=, and create it as necessary when starting a service, owned by the right user. * Add BindDirectory= for allowing arbitrary, private bind mounts for services -* Beef up RootDirectory= to use namespacing/bind mounts as soon as fs - namespaces are enabled by the service - * Add RootImage= for mounting a disk image or file as root directory * RestrictNamespaces= or so in services (taking away the ability to create namespaces, with setns, unshare, clone) -* nspawn: make /proc/sys/net writable? - * make sure the ratelimit object can deal with USEC_INFINITY as way to turn off things * journalctl: make sure -f ends when the container indicated by -M terminates +* mount: automatically search for "main" partition of an image has multiple + partitions + * expose the "privileged" flag of ExecCommand on the bus, and open it up to transient units +* in nss-systemd, if we run inside of RootDirectory= with PrivateUsers= set, + find a way to map the User=/Group= of the service to the right name. This way + a user/group for a service only has to exist on the host for the right + mapping to work. + * allow attaching additional journald log fields to cgroups +* add bus API for creating unit files in /etc, reusing the code for transient units + +* add bus API to remove unit files from /etc + +* add bus API to retrieve current unit file contents (i.e. implement "systemctl cat" on the bus only) + * rework fopen_temporary() to make use of open_tmpfile_linkable() (problem: the kernel doesn't support linkat() that replaces existing files, currently) @@ -82,8 +124,6 @@ Features: * journald: sigbus API via a signal-handler safe function that people may call from the SIGBUS handler -* when using UTF8, ellipsize with "…" rather than "...", so that we can show more contents before truncating - * move specifier expansion from service_spawn() into load-fragment.c * optionally, also require WATCHDOG=1 notifications during service start-up and shutdown @@ -97,8 +137,6 @@ Features: * add systemctl stop --job-mode=triggering that follows TRIGGERED_BY deps and adds them to the same transaction -* Maybe add a way how users can "pin" units into memory, so that they are not subject to automatic GC? - * PID1: find a way how we can reload unit file configuration for specific units only, without reloading the whole of systemd @@ -114,8 +152,6 @@ Features: * PID 1 should send out sd_notify("WATCHDOG=1") messages (for usage in the --user mode, and when run via nspawn) -* consider throwing a warning if a service declares it wants to be "Before=" a .device unit. - * there's probably something wrong with having user mounts below /sys, as we have for debugfs. for exmaple, src/core/mount.c handles mounts prefixed with /sys generally special. @@ -153,7 +189,7 @@ Features: * implement a per-service firewall based on net_cls * Port various tools to make use of verbs.[ch], where applicable: busctl, - bootctl, coredumpctl, hostnamectl, localectl, systemd-analyze, timedatectl + coredumpctl, hostnamectl, localectl, systemd-analyze, timedatectl * hostnamectl: show root image uuid @@ -170,7 +206,7 @@ Features: * synchronize console access with BSD locks: http://lists.freedesktop.org/archives/systemd-devel/2014-October/024582.html -* as soon as we have kdbus, and sender timestamps, revisit coalescing multiple parallel daemon reloads: +* as soon as we have sender timestamps, revisit coalescing multiple parallel daemon reloads: http://lists.freedesktop.org/archives/systemd-devel/2014-December/025862.html * in systemctl list-unit-files: show the install value the presets would suggest for a service in a third column @@ -210,10 +246,6 @@ Features: * timesyncd: add ugly bus calls to set NTP servers per-interface, for usage by NM -* extract_many_words() should probably be used by a lot of code that - currently uses FOREACH_WORD and friends. For example, most conf - parsing callbacks should use it. - * merge ~/.local/share and ~/.local/lib into one similar /usr/lib and /usr/share.... * systemd.show_status= should probably have a mode where only failed @@ -270,9 +302,6 @@ Features: * MessageQueueMessageSize= (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= @@ -283,8 +312,6 @@ Features: and passes this back to PID1 via SCM_RIGHTS. This also could be used to allow Chown/chgrp on sockets without requiring NSS in PID 1. -* New service property: maximum CPU runtime for a service - * introduce bus call FreezeUnit(s, b), as well as "systemctl freeze $UNIT" and "systemctl thaw $UNIT" as wrappers around this. The calls should SIGSTOP all unit processes in a loop until all processes of @@ -321,12 +348,10 @@ Features: error. Currently, we just ignore it and read the unit from the search path anyway. -* refuse boot if /etc/os-release is missing or /etc/machine-id cannot be set up +* refuse boot if /usr/lib/os-release is missing or /etc/machine-id cannot be set up * btrfs raid assembly: some .device jobs stay stuck in the queue -* 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 @@ -474,7 +499,6 @@ Features: message that works, but alraedy after a short tiemout - 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 - 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. @@ -583,9 +607,6 @@ Features: * currently x-systemd.timeout is lost in the initrd, since crypttab is copied into dracut, but fstab is not * nspawn: - - to allow "linking" of nspawn containers, extend --network-bridge= so - that it can dynamically create bridge interfaces that are refcounted - by the containers on them. For each group of containers to link together - nspawn -x should support ephemeral instances of gpt images - emulate /dev/kmsg using CUSE and turn off the syslog syscall with seccomp. That should provide us with a useful log buffer that @@ -594,8 +615,6 @@ Features: - as soon as networkd has a bus interface, hook up --network-interface=, --network-bridge= with networkd, to trigger netdev creation should an interface be missing - - don't copy /etc/resolv.conf from host into container unless we are in - shared-network mode - a nice way to boot up without machine id set, so that it is set at boot automatically for supporting --ephemeral. Maybe hash the host machine id together with the machine name to generate the machine id for the container @@ -612,8 +631,6 @@ Features: is used * machined: - - "machinectl list" should probably show columns for OS version and IP - addresses - add an API so that libvirt-lxc can inform us about network interfaces being removed or added to an existing machine - "machinectl migrate" or similar to copy a container from or to a @@ -663,7 +680,7 @@ Features: * coredump: - save coredump in Windows/Mozilla minidump format - - move PID 1 segfaults to /var/lib/systemd/coredump? + - when truncating coredumps, also log the full size that the process had, and make a metadata field so we can report truncated coredumps * support crash reporting operation modes (https://live.gnome.org/GnomeOS/Design/Whiteboards/ProblemReporting) @@ -730,7 +747,6 @@ Features: - GC unreferenced jobs (such as .device jobs) - move PAM code into its own binary - when we automatically restart a service, ensure we restart its rdeps, too. - - for services: do not set $HOME in services unless requested - hide PAM options in fragment parser when compile time disabled - Support --test based on current system state - 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(). @@ -780,7 +796,6 @@ Features: - add reduced [Link] support to .network files - add Scope= parsing option for [Network] - properly handle routerless dhcp leases - - add more attribute support for SIT tunnel - work with non-Ethernet devices - add support for more bond options - dhcp: do we allow configuring dhcp routes on interfaces that are not the one we got the dhcp info from? @@ -797,7 +812,6 @@ Features: support Name=foo*|bar*|baz ? - duplicate address check for static IPs (like ARPCHECK in network-scripts) - allow DUID/IAID to be customized, see issue #394. - - support configuration option for TSO (tcp segmentation offload) - whenever uplink info changes, make DHCP server send out FORCERENEW * networkd-wait-online: @@ -819,6 +833,7 @@ Features: or interface down - some servers don't do rapid commit without a filled in IA_NA, verify this behavior + - RouteTable= ? 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