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2020-05-08Cleanup: remove rest of status.cDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2020-05-08Implement a "subreaper" service flagDavid Oberhollenzer
For particularly hostile daemons. Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2020-05-08Cleanup: complete redesign of the initd supervisorDavid Oberhollenzer
- Cleanly seperate service description parsed from file from the actual run-time data. - Remove the use of the signalfd and make asyncronous calls into the supervisor from signal context work. Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2020-05-07Temporarily remove initsock handling codeDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2020-05-07Temporarily remove service reload abilityDavid Oberhollenzer
A cleaner, more planned out version will be added back later. Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2020-05-06Do not close stdin/out/err file descriptors in runsvcDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2020-04-24Add a fallback for close_all_files if procfs isn't mountedDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2020-04-24Cleanup: remove rdsvc flagsDavid Oberhollenzer
With the previous changes, there were only used by the status command. Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2020-04-24cleanup: merge runsvc back into initdDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2020-03-31cleanup: delete remains of libutilDavid Oberhollenzer
- exec_t belongs to service.h, the main place where it is used/needed - code for executing exec_t is moved to runsvc for the same reason - what is left are NORETURN and ARRAY_SIZE - the former can be replaced with direct attribute usage since the only relevant compilers all support the attribute. - the later is only used in 3 places and can be trivially replaced with direct usage of sizeof(). Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2020-03-31cleanup: initd: simplify and merge linux specific code into main.cDavid Oberhollenzer
Targetting anything else than Linux isn't really relevant. All other systems ($BSD and other Unices) are a closed ecosystem where kernel & userspace are developed together. They don't need something like a third party init system, so compatibillity can be largely ignored. Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2019-06-16Fix remove by idDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2019-03-29fix: actually remove started service from listDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2019-03-29Keep original respawn limitDavid Oberhollenzer
We also want this meachanism to still work for manually started service (especially after reloading services). Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2019-03-29cleanup: init socket wire formatDavid Oberhollenzer
Replace array adhockery with structs and make use of the handy endianness conversion macros. Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2019-03-29cleanup: move init specific stuff of init socket to initdDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2019-03-29Add service configuration reloadingDavid Oberhollenzer
This commit add the ability to initd to reload the service configuration while running. The new configuration is merged with the existing one as follows: For each target: - If the existing service list is not NULL, we have not started that target yet. Simply replace it with the new list. - If it is NULL, the services have already been started. - First, remove all entries for services in that target that no loner exist (except from the 'running' list). - Second, add new services that we don't have yet. Treat them as recently diseased and let the user start them manualy. Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2019-03-28Add start/stop commands to init socketDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2019-03-28initd: Hand out unique IDs to servicesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2019-03-27Add filter argument to status requestDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2019-03-25Fix: actually process SIGUSR1 in initdDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2019-03-20Fix warnings from gcc 8.3 + musl buildDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2019-03-20initd: don't start runsvc for services without exec blockDavid Oberhollenzer
First in rdsvc, tag the services that *do* have exec lines, even if we don't read them. Second, if a service does not have that flag set, don't try to execute it. Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2019-03-18Cleanup status reportingDavid Oberhollenzer
- mimic format of initd - skip formatting if not a tty - distinguish exited because failed vs exited because done Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2019-03-18initd: implement handling of socket requestsDavid Oberhollenzer
Actually process requests and send an answer to status inquiries. Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2019-03-18Add init socket to initdDavid Oberhollenzer
Create a socket if boot target is done. Close and reopen socket if SIGUSR1 is received. Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2019-03-15initd: store completed services in list instead of deleting themDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2018-11-23Relicense what is left of the init system under OpenBSD style ISC licenseDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-11-04Remove unused telinit codeDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-11-04cleanup: let rdline_init open the fileDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-11-04Seperate init specific code from utility codeDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-09-01Only enable signals in signalfd that initd actually handlesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-08-24initd: automatically do a shutdown/reboot when the target is completedDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-08-24initd: accept sigterm and simply initiate shutdown targetDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-08-24Remove ctrl+alt+del target, simply initiate reboot targetDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-08-24initd: restructure and merge service supervision codeDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-06-09Make mksock() more generic, move to util libraryDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-06-09Split configuration parser and utility libraryDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-04-22Add helper program for running servicesDavid Oberhollenzer
We no longer need to keep entire scripts in init program (i.e. saving space) and reduce the code and complexity of the init program. The runsvc tool can later be extended to do more complex child setup, such as configuring namespaces or seccomp without adding complexity or memory footprint to init. Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-04-22Add flags to selectively skip fields in service filesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-04-15Move initd signal setup to platform specific fileDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-04-12Rely on PATH variable for running init programsDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-04-12Read environment for init from config fileDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-04-11Don't pre-allocate argument vector for command linesDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-04-07Minor cleanupDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-04-07Remove setup_tty functionDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-04-07Create init socket after reaching boot targetDavid Oberhollenzer
Filesystem might not be available before then. Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-04-04Merge preprocessing of command linesDavid Oberhollenzer
- Common function for splitting string into argument vector - Preprocess & split command lines while parsing the service file - Specify "before" and "after" dependencies in a single line Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-04-04Simplifiy service file syntaxDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-03-26Add service respawn limitDavid Oberhollenzer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
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