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https://github.com/systemd/systemd/issues/875
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logind: switch to sd_bus_track helper
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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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richardmaw-codethink/doc-nspawn-machine-search-path-v2
man: Reference the canonical location of the search path in systemd-nspawn's documentation of the --machine option. (v2)
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The --machine option used to describe searching for machines in
/var/lib/machines, which is not the whole story, so let's link to where
it's described in more detail.
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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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sysctl: reword warning message a bit
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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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Use getxpid syscall on alpha for raw_getpid()
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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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bus-proxy: add ExecReload=
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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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bus-proxy: discard invalid environment updates
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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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Make sure we support ExecReload= for bus-proxyd to reload configuration
during runtime. This is *really* handy when hacking on kdbus.
Package-managers are still recommended to run
`busctl --address=unix:path=` directly.
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richardmaw-codethink/doc-invalid-environmentfile-lines
man: Document invalid lines in EnvironmentFile
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If a line doesn't contain an = separator, it is skipped, rather than
raising an error.
This is potentially useful, so let's document this behaviour.
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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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networkd: DHCP fix CID 1315105
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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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We should avoid using CLOCK_BOOTTIME directly unless we actually can
sensible distuingish it from CLOCK_MONOTONIC. CLOCK_BOOTTIME is only
fully feature on very recent Linux kernels, hence we should stick to a
fallback logic, which is already available in the
clock_boottime_or_monotonic() call.
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systemd-mailing-devs/1438566907-9544-1-git-send-email-wangkefeng.wang@huawei.com
logind: add standard gpio power button support
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Previously, if the event loop never ran before sd_event_now() would
fail. With this change it will instead fall back to invoking now(). This
way, the function cannot fail anymore, except for programming error when
invoking it with wrong parameters.
This takes into account the fact that many callers did not handle the
error condition correctly, and if the callers did, then they kept simply
invoking now() as fall back on their own. Hence let's shorten the code
using this call, and make things more robust, and let's just fall back
to now() internally.
Whether now() is used or the cache timestamp may still be detected via
the return value of sd_event_now(). If > 0 is returned, then the fall
back to now() was used, if == 0 is returned, then the cached value was
returned.
This patch also simplifies many of the invocations of sd_event_now():
the manual fall back to now() can be removed. Also, in cases where the
call is invoked withing void functions we can now protect the invocation
via assert_se(), acknowledging the fact that the call cannot fail
anymore except for programming errors with the parameters.
This change is inspired by #841.
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resolved: exponential backoff of packet resend
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With the exponential backoff, we can perform more requests in the same amount of time,
so bump this a bit.
In case of large RTT this may be necessary in order not to regress, and in case
of large packet-loss it will make us more robust. The latter is particularly
relevant once we start probing for features (and hence may see packet-loss
until we settle on the right feature level).
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Rather than fixing this to 5s for unicast DNS and 1s for LLMNR, start
at a tenth of those values and increase exponentially until the old
values are reached. For LLMNR the recommended timeout for IEEE802
networks (which basically means all of the ones we care about) is 100ms,
so that should be uncontroversial. For unicast DNS I have found no
recommended value. However, it seems vastly more likely that hitting a
500ms timeout is casued by a packet loss, rather than the RTT genuinely
being greater than 500ms, so taking this as a startnig value seems
reasonable to me.
In the common case this greatly reduces the latency due to normal packet
loss. Moreover, once we get support for probing for features, this means
that we can send more packets before degrading the feature level whilst
still allowing us to settle on the correct feature level in a reasonable
timeframe.
The timeouts are tracked per server (or per scope for the multicast
protocols), and once a server (or scope) receives a successfull package
the timeout is reset. We also track the largest RTT for the given
server/scope, and always start our timouts at twice the largest
observed RTT.
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We cannot rely on CLOCK_BOOTTIME being supported by the kernel, so fallack
to CLOCK_MONOTONIC if the former is not supported.
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networkd: fix neworkd crash
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Many boards like hisilicon D02 board use standard gpio key to power down system.
A description of gpio-key in dts shown below,
gpio_keys {
compatible = "gpio-keys";
#address-cells = <1>;
#size-cells = <0>;
pwrbutton {
label = "Power Button";
gpios = <&porta 8 1>;
linux,code = <116>; // KEY_POWER, used by SC System Power Down
};
};
-bash-4.3# udevadm info -a /dev/input/event3
Udevadm info starts with the device specified by the devpath and then
walks up the chain of parent devices. It prints for every device
found, all possible attributes in the udev rules key format.
A rule to match, can be composed by the attributes of the device
and the attributes from one single parent device.
looking at device '/devices/platform/gpio_keys/input/input3/event3':
KERNEL=="event3"
SUBSYSTEM=="input"
DRIVER==""
looking at parent device '/devices/platform/gpio_keys/input/input3':
KERNELS=="input3"
SUBSYSTEMS=="input"
DRIVERS==""
ATTRS{name}=="gpio_keys"
ATTRS{phys}=="gpio-keys/input0"
ATTRS{uniq}==""
ATTRS{properties}=="0"
looking at parent device '/devices/platform/gpio_keys':
KERNELS=="gpio_keys"
SUBSYSTEMS=="platform"
DRIVERS=="gpio-keys"
ATTRS{keys}=="116"
ATTRS{switches}==""
ATTRS{driver_override}=="(null)"
ATTRS{disabled_keys}==""
ATTRS{disabled_switches}==""
looking at parent device '/devices/platform':
KERNELS=="platform"
SUBSYSTEMS==""
DRIVERS==""
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man: fix typo in systemd-fsck@
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