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this simplifies the allocation of path string. also fixes some memory
leaks from the ealier commit
also changes the log path for users to XDG_CACHE_HOME, default
~/.cache/openrc
Signed-off-by: Anna (navi) Figueiredo Gomes <navi@vlhl.dev>
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the pam module sets a variable that when in user mode, openrc should
pick up and either create/increment, or decrement. this is done so that
multiple session_open and session_close from pam doesn't randomly change
the user runlevel for the current user. only the first session open
starts the default runlevel, and only the last session close switches to
the none runlevel.
Signed-off-by: Anna (navi) Figueiredo Gomes <navi@vlhl.dev>
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Modifies many functions where filesystem paths were hardcoded. In
non-user-services mode, they still are. In user-services mode, they are
allocated, since XDG_ dirs are to be set via environment variables.
Signed-off-by: Anna (navi) Figueiredo Gomes <navi@vlhl.dev>
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Commit fc4f15d6cd8e7884f7094e5d3749b01f2d5a448f broke the automatic restart of
services having runlevel-specific conf.d files.
The double dirname() was not a mistake, but the way of getting from the
service script in init.d to the upper directory containing the conf.d
directory. dirname() modifies the argument in-place, so the second call
operated on a modified value. To make it more obvious what is going on,
have the second call operate on the returned value from the first call.
Fixes: fc4f15d ("openrc: fix double-assignment to dir")
Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
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according to the linux manpage, the "safe" variant may not be available
on all platform. however we bundle our own `queue.h` so this should not
be an issue.
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the pid list will be accessed inside the SIGCHLD signal handler. so we
must ensure SIGCHLD handler doesn't get invoked while the list is at an
inconsistent state making it unsafe to interact with.
Co-authored-by: Dominique MARTINET <dominique.martinet@atmark-techno.com>
Bug: https://github.com/OpenRC/openrc/issues/589#issuecomment-1406588576
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`free` is not async-signal-safe and calling it inside a signal handler
can have bad effects, as reported in the musl ML:
https://www.openwall.com/lists/musl/2023/01/23/1
the solution:
- keep track of weather remove_pid() is being called from inside a
signal handler or not.
- if it's inside a signal handler then DO NOT call free - instead put
that pointer into a "to be freed later" list.
- if it's not inside a signal handler then take the "to be freed later"
list and free anything in it.
Bug: https://github.com/OpenRC/openrc/issues/589
Reported-by: Dominique MARTINET <dominique.martinet@atmark-techno.com>
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This conflicts with linux-headers which uses __unused for some padding members
on ppc64le at least.
Closes: https://github.com/OpenRC/openrc/issues/622
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malloc (called by xasprintf) is not async-signal-safe. beside, the
string here is constant, so there's no need to malloc it all.
eerrorx isn't async-signal-safe either (due to calling fprintf and exit)
but consequence of them are _typically_ not as grave as calling malloc
while it's internal state is inconsistent.
Bug: https://github.com/OpenRC/openrc/issues/589
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For -Wmissing-noreturn.
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This one is a bit odd, it didn't get fixed in e273b4e08ee0ebc1a001d60e2a5b65a9553a8a8a,
and goes all the way back to cb9da6a262b60255cd037f20b4cde3ab2c8a1e6a.
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These become fine with C23 because () starts to mean (void) then, but for
previous language versions, it's deprecated, and it causes an annoying
warning when building with Clang by default.
Plus, GCC lacks specific flags to trigger what C23 *does* ban, so a lot
of people are going around building with -Wstrict-prototypes, so let's
just fix this to be consistent with the rest of the codebase anyway
to fend off false positive reports.
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The two lines seem to both belong to --override, but made into seperate
array elements accidentally, making options after --override and their
help mismatch. This fixes it.
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This fixes #516.
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- drop old build system
- move shared include and source files to common directory
- drop "rc-" prefix from shared include and source files
- move executable-specific code to individual directories under src
- adjust top-level .gitignore file for new build system
This closes #489.
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