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journald: do not strip leading whitespace from messages
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-ENOSYS is returned from kmod_module_probe_insert_module() if a module isn't
available, not -ENOENT. Don't spit out a warning in that case unless the
warn_if_unavailable flag is set.
Also factor out the condition into an own variable for better readability.
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Lets us simplify the function and drop SO_PASSCRED.
Thanks to Alexander Larsson and David Herrmann.
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(Also, downgrade message from LOG_ERROR to LOG_WARNING, after all we
don't care much and just proceed)
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Without the boolean bus_name_good services as well as cgroup_realized
for units a unit of Type=dbus and ExecReload sending SIGHUP to $MAINPID
will be terminated if systemd will be daemon reloaded.
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=746151
https://bugs.freedesktop.org/show_bug.cgi?id=78311
https://bugzilla.opensuse.org/show_bug.cgi?id=934077
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Net
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build-sys: split internal basic/ library from shared/
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journald: don't employ inner loop for reading from incoming sockets
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basic/ can be used by everything
cannot use anything outside of basic/
libsystemd/ can use basic/
cannot use shared/
shared/ can use libsystemd/
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Replace strerror() usage with log_netdev_error_errno()
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Replace strerror() usage with log_netdev_error_errno()
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Keep leading whitespace for compatibility with older syslog
implementations. Also useful when piping formatted output to the
`logger` command. Keep removing trailing whitespace.
Tested with `pstree | logger` and checking that the output of
`journalctl | tail` included aligned and formatted output.
Confirmed that all test cases still pass as expected.
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cgtop enhancements for easier machine-readable output
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since last tick
Emit "0" rather than "-" if no change in IO values are seen for a process since
last tick, so long as accounting has registered content at all.
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shared: Drop 'name=' prefix from SYSTEMD_CGROUP_CONTROLLER define.
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sd-network: allow the state dir to be created after the monitor
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move dns code from resolve to shared v3
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Our bloom-filters support root-path matching. Make sure we properly add
the path_namespace= tag.
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DBus-spec defines two different pattern matchings:
1) Path and namespace prefix matching. In this case, A matches B either
if both are equal, or if B is fully included in the namespace of A.
In other words, A has to be a prefix of B, but end with a separator
character (or the following character in B must be one).
This is used for path_namespace= and arg0namespace=
2) The other pattern matching is used for arg0path= which does a two-way
matching. That is, A must be a prefix of B, or B a prefix of A.
Furthermore, the prefix must end with a separator.
Fix the sd-bus helpers to reflect that. The 'simple_' and 'complex_'
prefixes don't make any sense now, but.. eh..
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Make sure we actually verify our match-rules are executed properly. Right
now all we test is the bloom-matches, which are non-reliable as they leave
through false-positives.
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DBus spec clearly defines arg0path= to be a two-way matching. That is,
either the matcher or the matchee can be a prefix of the other to match.
This is not possible to implement with bloom-filters. Instead, we'd have
to add a separate filter for each prefix. This is non-trivial, though.
Hence, just skip the match for now and match locally.
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Lets look at an example where we add arg0="/foo/bar/waldo" to a
bloom-filter. The following strings are added:
"arg0:/foo/bar/waldo"
"arg0-slash-prefix:/foo/bar"
"arg0-slash-prefix:/foo"
Two problems arise:
1) If we match on "arg0path=/foo/bar/waldo", the dbus-spec explicitly
states that equal strings are also considered prefixes. However, in the
bloom-match, we can only provide a single match-filter. Therefore, we have
to add "arg0-slash-prefix:/foo/bar/waldo" there, but this never occured in
the bloom-mask of the message.
Hence, this patch makes sure bloom_add_prefixes() adds the full path as
prefix, too.
2) If we match on "arg0path=/foo/", the dbus-spec states that arg0path
does prefix-matching with the trailing slash _included_, unlike
path_namespace= matches, which does *not* include them. This is
inconsistent, but we have to support the specs. Therefore, we must add
prefixes with _and_ without trailing separators.
Hence, this patch makes sure bloom_add_prefixes() adds all prefixes with
the trailing slash included.
The final set of strings added therefore is:
"arg0:/foo/bar/waldo"
"arg0-slash-prefix:/foo/bar/waldo"
"arg0-slash-prefix:/foo/bar/"
"arg0-slash-prefix:/foo/bar"
"arg0-slash-prefix:/foo/"
"arg0-slash-prefix:/foo"
"arg0-slash-prefix:/"
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dhcp domain option
previously hostname_is_valid was used to validate domain names, which
would silently drop perfectly valid dns names that were longer than a
single dns label.
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Otherwise, if the socket is constantly busy we will never return to the
event loop, but we really need to to dispatch other (possibly more
high-priority) events too. Hence, return after dispatching one message
to the event handler, and rely on the event loop calling us back
right-away.
Fixes #125
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We now listen for new subdirs of /run/systemd, and /run/systemd/netif in case
/run/systemd/netif/links does not exist.
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util: introduce CMSG_FOREACH() macro and make use of it everywhere
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It's only marginally shorter then the usual for() loop, but certainly
more readable.
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Follow up for 7c918141ed.
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sd-network: allow NULL in sd_network_monitor_unref
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Match rest of codebase, we always allow unref'ing NULL.
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use it anymore
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By using our homegrown function we can dispense with all the iffdefery.
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This appears to be the right time to do it for SOCK_STREAM
unix sockets.
Also: condition bus_get_owner_creds_dbus1 was reversed. Split
it out to a separate variable for clarity and fix.
https://bugzilla.redhat.com/show_bug.cgi?id=1224211
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networkd: bond improve logging
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utezduyar/use-async-convenience-function-on-setting-hostname
networkd: use async convenience call to set hostname
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networkd: vxlan improve logging
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SELinux information cannot be retrieved this way, since we are
using stream unix sockets and SCM_SECURITY does not work for
them.
SCM_CREDENTIALS use dropped to be consistent. We also should
get this information at connection time.
https://bugzilla.redhat.com/show_bug.cgi?id=1224211
"SCM_SECURITY was only added for datagram sockets."
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utezduyar/feat/dump-sync-dbus-message-with-logging-on
sd-bus: dump sync messages in debug mode
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Replaces a lof of strerror() usage with log_netdev_error_errno()
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Replaces a lof of strerror() usage with log_netdev_error_errno()
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