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Let's work around crappy clocks in test-journal-interleaving.c too. This
does the same as 98d2a53417 but for
test-journal-interlaving.c rather than test-journal-stream.c.
- Make string parameter const
- Don't log some OOM errors, but not others
- Don't eat up errors generated by acl_from_text()
- Make sure check for success of every single strv_push() call
This ensures that we write strictly monotonic timestamps into the
journal files, to ensure that we can properly interleave everything
correctly.
See #175 for details.
This is consistent with how an empty string works in an ExecStart=
statement. We should not differentiate between an empty string and
whitespace only (since they look the same.)
Update the test case with whitespace only to reflect that the list is
reset.
Tested that `test-unit-file` passes and other test cases are not
affected. Installed the patched systemd binaries on a machine, booted
it, looked for out of the usual behavior but did not find any.
Convert config_parse_exec() from using FOREACH_WORD_QUOTED into a loop
of unquote_first_word.
Loop through the arguments only once (the FOREACH_WORD_QUOTED
implementation did it twice, once to count them and another time to
process and store them.)
Use newly introduced flag UNQUOTE_UNESCAPE_RELAX to preserve
unrecognized escape sequences such as regexps matches such as "\w",
"\d", etc. (Valid escape sequences such as "\s" or "\b" still need an
extra backslash if literals are desired for regexps.)
Differences in behavior:
- Handle ; (command separator) in special, so that only ; on its own is
valid for that purpose, an quoted semicolon ";" or ';' will now behave
as a literal semicolon. This is probably what was initially intended.
- Handle \; (to introduce a literal semicolon) in special, so that only \;
is turned into a semicolon but not \\; or "\\;" or "\;" which are kept
as a literal \; in the output. This is probably what was initially
intended.
Known issues:
- Using an empty string (for example, ExecStartPre=<empty>) will empty
the list and remove the existing commands, but using whitespace only
(for example, ExecStartPre=<spaces>) will not. This is a pre-existing
issue and will be dealt with in a follow up commit.
Tested:
- Unit tests passing. Also `make distcheck` still works as expected.
- Installed it on a local machine and booted with it, checked console
output, systemctl and journalctl output, did not notice any issues
running the patched systemd binaries.
Relevant bug: https://bugs.freedesktop.org/show_bug.cgi?id=90794
These tests will be useful to check the cases regarding quoted and
escaped semicolon when we switch to using unquote_first_word.
Additionally, convert some of the tests that have semicolons so that the
argument after the semicolon looks like a path (starts with /) so that
we can see the change of behavior when making config_parse_exec more
strict about what it accepts as a command separator.
It will try to unquot_first_word, but if it runs into escaping problems
it will retry it adding UNQUOTE_CUNESCAPE_RELAX to the flags. If it
succeeds on the second try, it will log a warning about it. If it fails
both times, it will log an error.
Add test cases to confirm it behaves as expected.
The new flag UNQUOTE_UNESCAPE_RELAX preserves unrecognized escape
sequences verbatim in unquote_first_word, either when it's a trailing
backslash (similar to UNQUOTE_RELAX, but in this case keep the extra
backslash in the output) or in the middle of a sequence string.
Add unit test cases to ensure the new flag works as expected and to
prevent regressions from being introduced.
Tested with a follow up commit converting config_parse_exec() to start
using unquote_first_word, in which case this flags makes it possible to
preserve unrecognized escape sequences.
Relevant bug: https://bugs.freedesktop.org/show_bug.cgi?id=90794
In kdbus we still have to support org.freedesktop.DBus matches even though
there is no real bus driver. The reason is that bus-control.c turns
NameOwnerChanged matches into proper kdbus matches. If we drop DRIVER
matches early, we will never match on name-changes for kdbus.
Two ways to fix this:
1) Install DRIVER matches on kdbus (which is the simple way our and which
is what this patch does).
2) Properly fix the scope-detection to let NameOwnerChanged matches
through (or better: block anything with Member!=NameOwnerChanged).
Not all watchdog drivers implement WDIOC_SETOPTIONS. Drivers which do
not implement it have their device always enabled. So it's fine to
report an error if WDIOS_DISABLECARD is passed and the ioctl is not
implemented, however failing when WDIOS_ENABLECARD is passed and the
ioctl is not implemented is not good: if the device was already
enabled then WDIOS_ENABLECARD was a no-op and wasn't needed in the
first place. So we can just ignore the error and continue.
Previously, this had a race condition during a user's first login.
Some component calls CreateSession (most likely by a PAM service
other than 'systemd-user' running pam_systemd), with the following
results:
- logind:
* create the user's XDG_RUNTIME_DIR
* tell pid 1 to create user-UID.slice
* tell pid 1 to start user@UID.service
Then these two processes race:
- logind:
* save information including XDG_RUNTIME_DIR to /run/systemd/users/UID
- the subprocess of pid 1 responsible for user@service:
* start a 'systemd-user' PAM session, which reads XDG_RUNTIME_DIR
and puts it in the environment
* run systemd --user, which requires XDG_RUNTIME_DIR in the
environment
If logind wins the race, which usually happens, everything is fine;
but if the subprocesses of pid 1 win the race, which can happen
under load, then systemd --user exits unsuccessfully.
To avoid this race, we have to write out /run/systemd/users/UID
even though the service has not "officially" started yet;
previously this did an early-return without saving anything.
Record its state as OPENING in this case.
Bug: https://github.com/systemd/systemd/issues/232
Reviewed-by: Philip Withnall <philip.withnall@collabora.co.uk>
./configure --enable/disable-kdbus can be used to set the default
behavior regarding kdbus.
If no kdbus kernel support is available, dbus-dameon will be used.
With --enable-kdbus, the kernel command line option "kdbus=0" can
be used to disable kdbus.
With --disable-kdbus, the kernel command line option "kdbus=1" is
required to enable kdbus support.
It is unused and rightly so. Users of the hashmap API should
not care about the idx values or any other Iterator internals.
_IDX_ITERATOR_FIRST in hashmap.h is an exception. It is needed
for ITERATOR_FIRST.
