X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=TODO;h=d87a70a0b5327a5cd6a78a1e44261103cc712def;hb=9d1345f0657c707df89b41b2738776efb40aec8e;hp=b4e0cbb88a4518ec130cc573ac01630e538f90bf;hpb=5bcffb4b549c0d115d8e40137ea885b7568ec6cb;p=thirdparty%2Fsystemd.git diff --git a/TODO b/TODO index b4e0cbb88a4..d87a70a0b53 100644 --- a/TODO +++ b/TODO @@ -1,13 +1,9 @@ Bugfixes: -* copy.c: set the right chattrs before copying files and others after - * Many manager configuration settings that are only applicable to user manager or system manager can be always set. It would be better to reject them when parsing config. -* Clarify what IPAddress* matches (source, destination, both?) - External: * Fedora: add an rpmlint check that verifies that all unit files in the RPM are listed in %systemd_post macros. @@ -23,6 +19,22 @@ Janitorial Clean-ups: Features: +* when killing due to service watchdog timeout maybe detect whether target + process is under ptracing and then log loudly and continue instead. + +* tweak journald context caching. In addition to caching per-process attributes + keyed by PID, cache per-cgroup attributes (i.e. the various xattrs we read) + keyed by cgroup path, and guarded by ctime changes. This should provide us + with a nice speed-up on services that have many processes running in the same + cgroup. + +* clean up sleep.c: + - Use CLOCK_BOOTTIME_ALARM for waking up s2h instead of RTC ioctls + - Parse sleep.conf only once, and parse its whole contents so that we don't + have to parse it again and again in s2h + - Make sure resume= and resume_offset= on the kernel cmdline always take + precedence + * make MAINPID= message reception checks even stricter: if service uses User=, then check sending UID and ignore message if it doesn't match the user or root. @@ -51,23 +63,14 @@ Features: * When logind.conf contains HandleLidSwitch=suspend-then-hibernate and we can't hibernate because the swap partition isn't large enough, still suspend -* bootctl: implement Type #2 boot loader entry discovery - * bootctl,sd-boot: actually honour the "architecture" key -* when a socket unit is spawned with an AF_UNIX path in /var/run, complain and - patch it to use /run instead - -* set memory.oom.group in cgroup v2 for all leaf cgroups (kernel v4.19+) - * add a new syscall group "@esoteric" for more esoteric stuff such as bpf() and usefaultd() and make systemd-analyze check for it. * paranoia: whenever we process passwords, call mlock() on the memory first. i.e. look for all places we use string_erase()/string_free_erase() and - augment them with mlock() - -* whenever oom_kill memory.event event is triggered print a nice log message + augment them with mlock(). Also use MADV_DONTDUMP * Move RestrictAddressFamily= to the new cgroup create socket @@ -77,8 +80,6 @@ Features: * maybe implicitly attach monotonic+realtime timestamps to outgoing messages in log.c and sd-journal-send -* chown() tty a service is attached to after the service goes down - * optionally: turn on cgroup delegation for per-session scope units * introduce per-unit (i.e. per-slice, per-service) journal log size limits. @@ -90,23 +91,12 @@ Features: show state of these flags, and optionally trigger such a factory reset on next boot by setting the flag. -* sd-boot: search drop-ins in $BOOT, too - -* sd-boot: add "oneshot boot timeout" variable support - * sd-boot: automatically load EFI modules from some drop-in dir, so that people can add in file system drivers and such -* esp generator: also mount $BOOT if found - * sd-boot: optionally, show boot menu when previous default boot item has non-zero "tries done" count -* logind: add "boot into bootmenu" API, and possibly even "boot into windows" - and "boot into macos". - -* bootspec.c: also enumerate EFI unified kernel images. - * maybe set a special xattr on cgroups that have delegate=yes set, to make it easy to mark cut points @@ -150,9 +140,6 @@ Features: * When reloading configuration PID 1 should reset all its properties to the original defaults before calling parse_config() -* Add OnTimezoneChange= and OnTimeChange= stanzas to .timer units in order to - schedule events based on time and timezone changes. - * nspawn: greater control over selinux label? * hibernate/s2h: make this robust and safe to enable in Fedora by default. @@ -179,7 +166,7 @@ Features: selected user is resolvable in the service even if it ships its own /etc/passwd) * Fix DECIMAL_STR_MAX or DECIMAL_STR_WIDTH. One includes a trailing NUL, the - other doesn't. What a desaster. Probably to exclude it. Also + other doesn't. What a disaster. Probably to exclude it. Also DECIMAL_STR_WIDTH should probably add an extra "-" into account for negative numbers. @@ -208,7 +195,7 @@ Features: specific paths only like this. * add CopyFile= or so as unit file setting that may be used to copy files or - directory trees from the host to te services RootImage= and RootDirectory= + directory trees from the host to the services RootImage= and RootDirectory= environment. Which we can use for /etc/machine-id and in particular /etc/resolv.conf. Should be smart and do something useful on read-only images, for example fallback to read-only bind mounting the file instead. @@ -268,8 +255,6 @@ Features: * support projid-based quota in machinectl for containers -* Add NetworkNamespacePath= to specify a path to a network namespace - * maybe use SOURCE_DATE_EPOCH (i.e. the env var the reproducible builds folks introduced) as the RTC epoch, instead of the mtime of NEWS. @@ -449,8 +434,6 @@ Features: * optionally, also require WATCHDOG=1 notifications during service start-up and shutdown -* resolved: when routing queries, make sure only look for the *longest* suffix... - * delay activation of logind until somebody logs in, or when /dev/tty0 pulls it in or lingering is on (so that containers don't bother with it until PAM is used). also exit-on-idle @@ -472,7 +455,7 @@ Features: * PID 1 should send out sd_notify("WATCHDOG=1") messages (for usage in the --user mode, and when run via nspawn) * there's probably something wrong with having user mounts below /sys, - as we have for debugfs. for exmaple, src/core/mount.c handles mounts + as we have for debugfs. for example, src/core/mount.c handles mounts prefixed with /sys generally special. http://lists.freedesktop.org/archives/systemd-devel/2015-June/032962.html @@ -534,7 +517,7 @@ Features: * systemctl: if some operation fails, show log output? -* systemctl edit: use equvalent of cat() to insert existing config as a comment, prepended with #. +* systemctl edit: use equivalent of cat() to insert existing config as a comment, prepended with #. Upon editor exit, lines with one # are removed, lines with two # are left with one #, etc. * exponential backoff in timesyncd when we cannot reach a server @@ -595,12 +578,6 @@ Features: service instances processing the listening socket, and open this up for ReusePort= -* 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 - 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. - * 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 @@ -641,9 +618,6 @@ Features: * load .d/*.conf dropins for device units -* allow implementation of InaccessibleDirectories=/ plus - ReadOnlyDirectories=... for whitelisting files for a service. - * sd-bus: - EBADSLT handling - GetAllProperties() on a non-existing object does not result in a failure currently @@ -710,6 +684,8 @@ Features: - honor language efi variables for default language selection (if there are any?) - honor timezone efi variables for default timezone selection (if there are any?) - change bootctl to be backed by systemd-bootd to control temporary and persistent default boot goal plus efi variables +* bootctl + - recognize the case when not booted on EFI * maybe do not install getty@tty1.service symlink in /etc but in /usr? @@ -742,8 +718,6 @@ Features: - follow PropertiesChanged state more closely, to deal with quick logouts and relogins -* exec: when deinitializating a tty device fix the perms and group, too, not only when initializing. Set access mode/gid to 0620/tty. - * journal: - consider introducing implicit _TTY= + _PPID= + _EUID= + _EGID= + _FSUID= + _FSGID= fields - import and delete pstore filesystem content at startup @@ -755,7 +729,7 @@ Features: - sd-journal: speed up sd_journal_get_data() with transparent hash table in bg - journald: when dropping msgs due to ratelimit make sure to write "dropped %u messages" not only when we are about to print the next - message that works, but alraedy after a short tiemout + message that works, but already after a short timeout - 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: add a setgid "systemd-journal" utility to invoke from libsystemd-journal, which passes fds via STDOUT and does PK access @@ -845,9 +819,7 @@ Features: * timer units: - timer units should get the ability to trigger when: - o CLOCK_REALTIME makes jumps (TFD_TIMER_CANCEL_ON_SET) o DST changes - o timezone changes - Modulate timer frequency based on battery state * add libsystemd-password or so to query passwords during boot using the password agent logic @@ -929,8 +901,6 @@ Features: * support crash reporting operation modes (https://live.gnome.org/GnomeOS/Design/Whiteboards/ProblemReporting) -* default to actual 32-bit PIDs, via /proc/sys/kernel/pid_max - * be able to specify a forced restart of service A where service B depends on, in case B needs to be auto-respawned?