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Fixes #1892.
Previously:
Failed to enable unit: Invalid argument
Now:
Failed to enable unit, file /etc/systemd/system/ssh.service already exists.
It would be nice to include the unit name in the message too. I looked into
this, but it would require major surgery on the whole installation logic,
because we first create a list of things to change, and then try to apply them
in a loop. To transfer the knowledge which unit was the source of each change,
the data structures would have to be extended to carry the unit name over into
the second loop. So I'm skipping this for now.
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This fixes #2282.
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IPv6 protocol requires a minimum MTU of 1280 bytes on the interface.
This fixes #3046.
Introduce helper link_ipv6_enabled() to figure out whether IPV6 is enabled.
Introduce network_has_static_ipv6_addresses() to find out if any static
ipv6 address configured.
If IPv6 is not configured on any interface that is SLAAC, DHCPv6 and static
IPv6 addresses not configured, then IPv6 will be automatically disabled for that
interface, that is we write "1" to /proc/sys/net/ipv6/conf//disable_ipv6.
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systemd-tmpfiles improvements, nspawn -E, honouring $TERM in pid1
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I wanted to add a config line that would empty a directory
without creating it if doesn't exist. Existing actions don't allow
this.
v2: properly add 'e' to needs_glob() and takes_ownership()
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Also don't print %m when the message already contains all the info.
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This changes the behaviour of pid1 in the following ways:
- obviously $TERM is now checked,
- $SYSTEMD_COLORS is now honoured too, before only SYSTEMD_LOG_COLORS was checked,
- isatty() is run on stdout not stderr.
As requested in #3025.
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v2:
- "=" is required, so remove the <optional> tags that v1 added
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After all it's something that we query over and over.
For example, systemctl calls colors_enabled() four times for each failing
service. The compiler is unable to optimize those calls away because they
(potentially) accesses external and global state through on_tty() and
getenv().
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No need to dump all the redundant device units on the user, just because he
specified that he wants to see units of a specific state.
This was broken by commit ebc962656cee33e3e8395f456a8208c3ca41969c.
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Another bunch of improvements to the installation code
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Don't leave temporary files if the coredump service is aborted during
the operation
Yeah, these are temporary files that systemd-coredump needs while
processing the coredumps. Of course, if the coredump service is aborted
during the operation we better shouldn't leave those files around. This
is hence a bug to fix in our coredumping code.
See https://github.com/systemd/systemd/issues/2804#issuecomment-210578147
Another option is to simply use O_TMPFILE, and when it is not available
fall back to the current behaviour. After all, the files are cleaned up
eventually, through normal tmpfiles aging, and the offending file
systems are pretty exotic these days, or not in the upstream kernel.
See https://github.com/systemd/systemd/issues/2804#issuecomment-211496707
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Keep the previous option name as hidden, for compatibility.
Fixes #3054.
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The advice string didn't talk about template units at all. Extend
it and print when trying to enable a template unit without install info.
Fixes #2345.
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-1 could be confused with -EPERM. But we still need a negative enum
value to force gcc to use int for the enum type, even though it is
unused. Otherwise we get warnings.
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Fixes #2191:
$ systemctl --root=/ enable sddm
Created symlink /etc/systemd/system/display-manager.service, pointing to /usr/lib/systemd/system/sddm.service.
$ sudo build/systemctl --root=/ enable gdm
Failed to enable unit, file /etc/systemd/system/display-manager.service already exists and is a symlink to /usr/lib/systemd/system/sddm.service.
$ sudo build/systemctl --root= enable sddm
$ sudo build/systemctl --root= enable gdm
Failed to enable unit: File /etc/systemd/system/display-manager.service already exists and is a symlink to /usr/lib/systemd/system/sddm.service.
(I tried a few different approaches to pass the error information back to the
caller. Adding a new parameter to hold the error results in a gigantic patch
and a lot of hassle to pass the args arounds. Adding this information to the
changes array is straightforward and can be more easily extended in the
future.)
In case local installation is performed, the full set of errors can be reported
and we do that. When running over dbus, only the first error is reported.
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This new feature bypasses checking if a swap partition is mounted
or if there is enough swap space available for hibernation to
succeed.
This can be useful when a system with a Solid State Disk (SSD)
has no normal swap partition or file configured, and a custom
systemd unit is used to mount a swap file just before hibernating
and unmount it just after resuming.
Signed-off-by: Vittorio Gambaletta <git-systemd@vittgam.net>
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As suggested in review of #3049.
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Otherwise building may fail with:
src/basic/user-util.c: In function 'get_home_dir':
src/basic/user-util.c:343:9: error: implicit declaration of function 'secure_getenv' [-Werror=implicit-function-declaration]
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If you reference another unit with an escaped name, the escaped characters
should remain in the extracted word. This used to work correctly prior to
commit 34f253f0.
The problem can be seen when units with escaped names are referenced.
$ cat "/usr/lib/systemd/system/dev-disk-by\x2dlabel-eos\x2dswap.swap"
[Swap]
What=/dev/disk/by-label/eos-swap
[Install]
WantedBy=dev-disk-by\x2dlabel-eos\x2dswap.device
$ systemctl enable "dev-disk-by\x2dlabel-eos\x2dswap.swap"
Created symlink
/etc/systemd/system/dev-disk-byx2dlabel-eosx2dswap.device.wants/dev-disk-by\x2dlabel-eos\x2dswap.swap,
pointing to /usr/lib/systemd/system/dev-disk-by\x2dlabel-eos\x2dswap.swap.
The wants directory should be created with the x2ds escaped with \.
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(#3037)
It was added in 2.6.39, and causes an assertion to fail when running in mock
hosted on 2.6.32-based RHEL-6:
Assertion 'clock_gettime(map_clock_id(clock_id), &ts) == 0' failed at systemd/src/basic/time-util.c:70, function now(). Aborting.
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Fixes #3047.
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With any masked unit that would that would be enabled by presets, we'd get:
test@rawhide $ sudo systemctl preset-all
Failed to execute operation: Unit file is masked.
test@rawhide $ sudo systemctl --root=/ preset-all
Operation failed: Cannot send after transport endpoint shutdown
Simply ignore those units:
test@rawhide $ sudo systemctl preset-all
Unit xxx.service is masked, ignoring.
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If the error code ever leaks (we print the strerror error instead of providing
our own), the message for ESHUTDOWN is "Cannot send after transport endpoint
shutdown", which can be misleading. In particular it suggest that some
mishandling of the dbus connection occured. Let's change that to ERFKILL which
has the advantage that a) it sounds implausible as actual error, b) has the
connotation of disabling something manually.
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The comments and the log messages are next to one another, so it's easier
to check that the messages match the comments.
The sign was omitted in the check for -ESHUTDOWN, so it was never matched.
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Before 0f03c2a4c093 specifying any path would cause the systemctl client
to do the installation itself, instead of going over dbus. Restore that
behaviour.
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daemons, which wish to transition state from the initramfs to the real
root, might use /dev/shm for their state.
As /dev is not relabeled across mount points, /dev/shm has to be
relabled explicitly.
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Fixes: #2889
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sd-bus: query pid also when requesting supplementary gids information
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CID #1354670.
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CID #1354671: char **l would be leaked.
Also rename l to paths, to make the code easier to read,
and do strv deduplication immediately when extending. No need to allocate
strings to remove them a few lines down.
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Just making sure :)
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If the SD_BUS_CREDS_SUPPLEMENTARY_GIDS value is requested, the pid is
queried to find out the supplementary gids value from /proc/pid/status.
Otherwise sd_bus_creds_get_supplementary_gids() won't work unless some
other value in mask triggered fetching the pid information.
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The coccinelle patch didn't work in some places, I have no idea why.
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Many fixes, in particular to the install logic
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Closes #1602
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choke on ELOOP
ELOOP indicates that there's a symlink in /etc for a native unit file, and
that's completely OK.
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Otherwise "systemctl status" will immediately report that our unit file is out
of date.
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