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execute: don't fail if we create the runtime directory from two proce…
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simultaneously
If a service has both ExecStart= and ExecStartPost= set with
Type=simple, then it might happen that we have two children create the
runtime directory of a service (as configured with RuntimeDirectory=) at
the same time. Previously we did this with mkdir_safe() which will
create the dir only if it is missing, but if it already exists will at
least verify the access mode and ownership to match the right values.
This is problematic in this case, since it creates and then adjusts the
settings, thus it might happen that one child creates the directory with
root owner, another one then verifies it, and only afterwards the
directory ownership is fixed by the original child, while the second
child already failed.
With this change we'll now always adjust the access mode, so that we
know that it is right. In the worst case this means we adjust the
mode/ownership even though its unnecessary, but this should have no
negative effect.
https://bugzilla.redhat.com/show_bug.cgi?id=1226509
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The ->done callback in the unit's vtable might call into
unit_unwatch_bus_name() and corrupt memory by that.
Move the call down, and clean up the bus slot in case it hasn't been done
yet.
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The kernel may return EBADSLT if a reply slot cannot be found. Make sure
to ignore it just like we ignore EPERM (the comment still applies).
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Currently, PID1 installs an unfiltered NameOwnerChanged signal match, and
dispatches the signals itself. This does not scale, as right now, PID1
wakes up every time a bus client connects.
To fix this, install individual matches once they are requested by
unit_watch_bus_name(), and remove the watches again through their slot in
unit_unwatch_bus_name().
If the bus is not available during unit_watch_bus_name(), just store
name in the 'watch_bus' hashmap, and let bus_setup_api() do the installing
later.
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Coverity #1315324
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Manual merge of https://github.com/systemd/systemd/pull/751.
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All users are now setting lowercase=false.
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When the user requests to set hostname, and we are setting both
pretty and static hostnames, and the name is a valid FQDN, we
use it as the static hostname, and unset the pretty hostname.
The change is that a FQDN with a trailing dot is accepted and ignored.
https://bugzilla.redhat.com/show_bug.cgi?id=1238246
Lowercasing of the static name is not done anymore.
$ hostnamectl set-hostname Foobar.
=> static is "Foobar", pretty is "Foobar."
$ hostnamectl set-hostname Foobar.org.
=> static is "Foobar.org", pretty is unset
$ hostnamectl set-hostname Foobar.org..
=> static is "Foobar.org", pretty is "Foobar.org.."
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Tests are modified to check behaviour with relax and without relax.
New tests are added for hostname_cleanup().
Tests are moved a new file (test-hostname-util) because there's
now a bunch of them.
New parameter is not used anywhere, except in tests, so there should
be no observable change.
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tree-wide: do not return error codes as bool
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Follow-up for PR #877.
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networkd: save private-zone DHCP options
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https://github.com/systemd/systemd/issues/875
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Save the private options along side the rest of the options in the lease
files.
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This stores private-zone DHCP options inside of their respective DHCP
lease. These options aren't used by networkd (what would it do with
them?), but saving them will allow other programs to query the values.
To improve performance, the options are stored in ascending order by
tag.
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Let logind use the sd_bus_track helper object to track the controllers of
sessions. This does not only remove quite some code but also kills the
unconditional matches for all NameOwnerChanged signals.
The latter is something we should never ever do, as it wakes up the daemon
every time a client connects, which doesn't scale.
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journald: fix count of object meta fields
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hwdb: add Logitech LX8 DPI and wheel click settings
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There are 12 object meta fields created in dispatch_message_real(), but
we only allocated space for 11. Fix this.
Fixes #866.
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Let's make this less dramatic, in order to not confuse people too much
making them think that this was something to actually fix.
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sysctl: bump loglevel when attempting to write invalid values [v2]
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Alpha does not have a getpid syscall, but rather has getxpid to match
OSF/1.
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richardmaw-codethink/machinectl-copy-to-from-relative-paths-v2
Allow relative paths in `machinectl copy-{from,to}` (v2)
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Smack v11: set only the default smack process label if the command path has no execute label
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When command path has access label and no SmackProcessLabel= is not
set, default process label will be set. But if the default process
label has no rule for the access label of the command path then smack
access error will be occurred.
So, if the command path has execute label then the child have to set
its label to the same of execute label of command path instead of
default process label.
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- Add smack xattr lookup table
- Unify all of mac_smack_apply_xxx{_fd}() to mac_smack_apply() and
mac_smack_apply_fd().
- Add smack xattr read apis similar with apply apis as
mac_smack_read{_fd}().
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To get xattr of given path or fd on newly allocated buffer, add new
helper api getxattr_malloc() and fgetxattr_malloc().
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If the caller provides invalid assignments via
UpdateActivationEnvironment=, we now drop it and warn loudly about it. We
need this to be compatible to dbus1, but we also clearly want to tell the
caller that they better ought to follow POSIX recommendations and use
valid labels only.
Fixes #826.
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Similar in function to LIST_INSERT_AFTER, this will insert a new element
into the list before the specified position. If the specified position
is NULL, the element is added as the tail of the list.
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Absolute paths should be sufficient to prevent funny business,
and while path_is_safe() checks this, it also checks whether the path
contains . or .. components, which while odd, aren't a security risk.
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CID 1315105: Resource leaks (RESOURCE_LEAK)
/src/libsystemd-network/sd-dhcp-server.c: 800 in
dhcp_server_handle_message()
*** CID 1315105: Resource leaks (RESOURCE_LEAK)
/src/libsystemd-network/sd-dhcp-server.c: 800 in
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add O_NONBLOCK to terminal handling
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That's just handle this as a normal error.
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In case of non-CLOCAL lines (i.e. those with carrier detect configured)
we shouldnt wait for a carrier if all we try to do is reset the TTY.
Hence, whenever we open such a TTY pass O_NONBLOCK.
Note that we continue to open ttys we intend to write to without
O_ONBLOCK, we only add it in cases we invoke ioctl()s or other terminal
operations without reading or writing to the device.
Fixes #835.
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tree-wide: convert bootchart and lldp code to use clock_boottime_or_m…
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sd-event: make sure sd_event_now() cannot fail
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