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The do_openrc() function was not waiting properly for the child process
which started the runlevel to return. We need to repeatedly call
waitpid() until its return value matches the pid of the child process or
the child process does not exist.
This fixes #216.
This fixes #300.
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The -f option can be used when showing the status of services in
runlevels to allow making the output more easily parsable.
Currently, the .ini format is the only one supported.
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This fixes #290.
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Clean up code indented with mixed tabs and spaces.
No actual code changes.
This fixes #280.
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readlink(3) does not nul-terminate the result it sticks
into the supplied buffer. Consequently, the code
rc = readlink(path, buf, sizeof(buf));
does not necessarily produce a C string.
The code in rc_find_pid() produces some C strings this way
and passes them to strlen() and strcmp(), which can lead
to an out-of-bounds read.
In this case, since the code already takes care to
zero-initialize the buffers before passing them
to readlink(3), only allow sizeof(buf)-1 bytes to
be returned.
(While fixing this issue, I fixed two other locations that
used the same problematic pattern.)
This fixes #270.
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These are not standard.
For more information see issue #279.
This fixes #279.
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Fix misleading indentation and other erroneous whitespace.
This fixes #273.
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The following will cause a segfault due to NULL being
passed to strcmp(3)
$ RC_SVCNAME=foo supervise-daemon
Fix the bounds check on argc in main. If argc<=1, then
it is not safe to dereference argv[1].
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The statement
ll = strlen(applet);
appears twice in the same block without any
intervening assignment to the variables
'll' or 'applet'
Remove the second (duplicate) statement.
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In order to run healthcheck() and the unhealthy() function, add an
exec_command call to the supervisor.
Another difference is This function also logs errors instead of
attempting to display them.
This is for #271.
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This will make it easier to track down why the supervisor intermittently
hangs after it runs for a long time.
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This fixes #264.
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This fixes #239.
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This is for #263.
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Since the pid file is internal to us, start moving toward deprecating it
by not requiring the user to specify it.
In the next release, I plan on working on code to start phasing out the
use of a pid file if this is possible.
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This will allow us to signal the daemon we are supervising as well as
send other commands to the supervisor in the future.
This fixes #227.
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This is needed in preparation for adding support for a fifo to allow us
to communicate with the supervisor to ask it to signal the child it is
supervising.
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This reverts commit 2af0cedd5952d7da71681b7a636dff3540e4295d.
After speaking with Luis Ressel on the Gentoo selinux team, I am reverting
this commit for the following reasons:
- Luis told me that he feels this is not the solution we need to address
the concern with checkpath; I will be working with him on another
solution.
- There are concerns about the way the path variable was handled
and the assert() call.
The path variable should be dynamically allocated using xasprintf
instead of defining a length at compile time. This would eliminate the
need for the assert() call.
- It introduces the definition of _GNU_SOURCE which makes it
easier to introduce portability concerns in the future (see #262).
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This avoids opening directories/files with read permission, which is
sometimes rejected by selinux policy.
Bug: https://bugs.gentoo.org/667122
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The pidfile of the supervisor doesn't need to be adjustable by the
service script. It is only used so the supervisor can stop itself when
the --stop option is used.
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In start-stop-daemon and rc-schedules, we were printing out a warning if
the nanosleep call was interrupted by a signal, but we did not treat
this as an error situation other than displaying the message, so there
is no need for the message.
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We need to make sure to reap zombies so that we can shut down
successfully.
Fixes #252.
Possibly related to #250.
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This is for #173.
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X-Gentoo-Bug: 669500
X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=669500
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Health checks are a way to monitor a service and make sure it stays
healthy.
If a service is not healthy, it will be automatically restarted after
running the unhealthy() function to clean up.
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You can now schedule a shutdown for a certain time or a cpecific number
of minutes into the future.
When a shutdown is running, you can now cancel it with ^c from the
keyboard or by running "openrc-shutdown -c" from another shell.
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Fix the comparison between respawn_count and respawn_max so that
respawn_max = 1 will allow for one respawn. Since respawn_count is
incremented before the comparison, use a 'greater than' comparison
so that respawn will be triggered when respawn_count is equal to
respawn_max.
Fixes: https://github.com/OpenRC/openrc/issues/247
Fixes: https://github.com/OpenRC/openrc/issues/248
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We will be using sigalrm in this process for health checking, and
sigalrm cannot be used with sleep() safely.
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Nanosleep is the safer call to use in case we need to use alarms
eventually.
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This fixes #231.
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