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Instead of looping and sending multiple signals to child processes in
cgroup_cleanup, we send sigterm followed by sleeping one second then
sigkill.
This brings us more in line with systemd's "control group" killmode
setting.
Also, this commit includes several shellcheck cleanups.
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Update the documentation to reflect cgroups version 2 support.
Also, add a section on dealing with orphaned service processes.
This fixes #94.
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This is for #94.
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The --retry option for supervise-daemon defines how the supervisor will
attempt to stop the child process it is monitoring. It is defined when
the supervisor is started since stopping the supervisor just sends a
signal to the active supervisor.
This fixes #160.
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This was part of start-stop-daemon; however, it needs to be shared in
order to be used by supervise-daemon.
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This is needed to allow the service script author to set a default for
rc_ulimit inside the service script.
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X-Gentoo-Bug: 592374
X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=592374
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Fixes https://github.com/openrc/openrc/issues/155.
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X-Gentoo-Bug: 624796
X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=624796
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X-Gentoo-Bug: 624908
X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=624908
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This makes the halt wrapper sysvinit compatible. It ignores several
command line switches which are not currently implemented; however,
those can be implemented if we need to do so.
This fixes https://github.com/openrc/openrc/issues/146.
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This fixes #151.
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This fixes #151.
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This fixes #134.
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This fixes #140.
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This fixes #140.
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The syntax for expanding a variable with a default value is
${parameter:-word}
not
${parameter-word}
although the latter still works for a reason I could not explain.
This fixes #143.
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This is for #143.
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This closes #142.
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This is for #142.
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Add the new wtmp options and fix some cross references.
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Sysvinit shutdown has a default of single user mode, but openrc-shutdown
makes you choose a default action. Because of this, the shutdown wrapper
needs to pass --single to openrc-shutdown.
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This fixes #139 and fixes #128.
and fixes #124.
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X-Gentoo-Bug:376977
X-Gentoo-Bug-URL:https://bugs.gentoo.org/show_bug.cgi?id=376977
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How to reproduce 1-byte overflow:
```
$ FEATURES=-test CFLAGS="-fsanitize=address -O0 -ggdb3" emerge -1 openrc
=================================================================
==1==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7fff0efd8710
at pc 0x000000402076 bp 0x7fff0efd7d50 sp 0x7fff0efd7d40
WRITE of size 1 at 0x7fff0efd8710 thread T0
#0 0x402075 (/sbin/openrc-init+0x402075)
#1 0x3cf6e2070f in __libc_start_main (/lib64/libc.so.6+0x3cf6e2070f)
#2 0x4013b8 (/sbin/openrc-init+0x4013b8)
Address 0x7fff0efd8710 is located in stack of thread T0 at offset 2432 in frame
#0 0x401cfb (/sbin/openrc-init+0x401cfb)
This frame has 3 object(s):
[32, 160) 'signals'
[192, 344) 'sa'
[384, 2432) 'buf' <== Memory access at offset 2432 overflows this variable
HINT: this may be a false positive if your program uses some custom stack unwind mechanism or swapcontext
(longjmp and C++ exceptions *are* supported)
SUMMARY: AddressSanitizer: stack-buffer-overflow ??:0 ??
```
The problem here is in the code handling reads from 'init.ctl':
```
int main(int argc, char **argv) {
...
char buf[2048];
for (;;) {
/* This will block until a command is sent down the pipe... */
fifo = fopen(RC_INIT_FIFO, "r");
count = fread(buf, 1, 2048, fifo);
buf[count] = 0;
...
}
```
`buf[count] = 0;` writes outside the buffer when `fread()` returns non-truncated read.
This fixes #138.
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