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2014-05-28hostnamed: Fix the way that static and transient host names interactStef Walter
It is almost always incorrect to allow DHCP or other sources of transient host names to override an explicitly configured static host name. This commit changes things so that if a static host name is set, this will override the transient host name (eg: provided via DHCP). Transient host names can still be used to provide host names for machines that have not been explicitly configured with a static host name. The exception to this rule is if the static host name is set to "localhost". In those cases we act as if no static host name has been explicitly set. As discussed elsewhere, systemd may want to have an fd based ownership of the transient name. That part is not included in this commit.
2014-05-24shared: rename hwclock.[ch] to clock-util.[ch]Kay Sievers
2014-05-19hostnamed: expose KernelVersion on the busDjalal Harouni
This is needed to fix bug: https://bugs.freedesktop.org/show_bug.cgi?id=76498 Reported-by: Zach <zachcook1991@gmail.com>
2014-05-15sd-bus: introduce sd_bus_slot objects encapsulating callbacks or vtables ↵Lennart Poettering
attached to a bus connection This makes callback behaviour more like sd-event or sd-resolve, and creates proper object for unregistering callbacks. Taking the refernce to the slot is optional. If not taken life time of the slot will be bound to the underlying bus object (or in the case of an async call until the reply has been recieved).
2014-04-23hostnamectl: read kernel name and release from remoteDjalal Harouni
2014-04-23hostnamed: expose KernelName and KernelRelease on the busDjalal Harouni
2014-03-11hostnamectl: read OS pretty_name and cpe_name from remoteDjalal Harouni
2014-03-11hostnamed: expose OperatingSystemPrettyName and OperatingSystemCPEName on ↵Djalal Harouni
the bus
2014-03-11hostnamed: minor improvements in context_write_data_other()Djalal Harouni
Prepare context_write_data_other() and rename it to context_write_data_machine_info()
2014-02-25hostnamectl: read virtualization/architecture from remote sideLennart Poettering
This way we make this more network/container transparent and also do not require any client side privileges.
2014-02-24hostnamed: correct error messageMichal Sekletar
We are not parsing timezone data.
2014-02-24virt: make Virtualization an anonymous enumThomas Hindoe Paaboel Andersen
This makes llvm happy when we assign an error code to the variable.
2014-02-21hostnamectl: should the sanitized arch, not the native uname() oneLennart Poettering
2014-02-19make gcc shut upLennart Poettering
If -flto is used then gcc will generate a lot more warnings than before, among them a number of use-without-initialization warnings. Most of them without are false positives, but let's make them go away, because it doesn't really matter.
2013-12-19bus: fix exit-on-idle for driverdLennart Poettering
2013-12-13event: rework sd-event exit logicLennart Poettering
With this change a failing event source handler will not cause the entire event loop to fail. Instead, we just disable the specific event source, log a message at debug level and go on. This also introduces a new concept of "exit code" which can be stored in the event loop and is returned by sd_event_loop(). We also rename "quit" to "exit" everywhere else. Altogether this should make things more robus and keep errors local while still providing a way to return event loop errors in a clear way.
2013-12-12bus: remove explicit activator-specific flags, the kdbus supports it nowKay Sievers
2013-12-12bus: add SD_BUS_NAME_REPLACE_EXISTING to all activatable services, fix one ↵Kay Sievers
flags conversion
2013-12-12bus: instead of exposing the dbus1 flags when acquiring a name use our own ↵Lennart Poettering
that are closer to kdbus This turns around DO_NOT_QUEUE into QUEUE which implies a more useful default. (And negative options are awful anyway.)
2013-12-11event: hook up sd-event with the service watchdog logicLennart Poettering
Adds a new call sd_event_set_watchdog() that can be used to hook up the event loop with the watchdog supervision logic of systemd. If enabled and $WATCHDOG_USEC is set the event loop will ping the invoking systemd daemon right after coming back from epoll_wait() but not more often than $WATCHDOG_USEC/4. The epoll_wait() will sleep no longer than $WATCHDOG_USEC/4*3, to make sure the service manager is called in time. This means that setting WatchdogSec= in a .service file and calling sd_event_set_watchdog() in your daemon is enough to hook it up with the watchdog logic.
2013-12-10bus: introduce "trusted" bus concept and encode access control in object vtablesLennart Poettering
Introduces a new concept of "trusted" vs. "untrusted" busses. For the latter libsystemd-bus will automatically do per-method access control, for the former all access is automatically granted. Per-method access control is encoded in the vtables: by default all methods are only accessible to privileged clients. If the SD_BUS_VTABLE_UNPRIVILEGED flag is set for a method it is accessible to unprivileged clients too. By default whether a client is privileged is determined via checking for its CAP_SYS_ADMIN capability, but this can be altered via the SD_BUS_VTABLE_CAPABILITY() macro that can be ORed into the flags field of the method. Writable properties are also subject to SD_BUS_VTABLE_UNPRIVILEGED and SD_BUS_VTABLE_CAPABILITY() for controlling write access to them. Note however that read access is unrestricted, as PropertiesChanged messages might send out the values anyway as an unrestricted broadcast. By default the system bus is set to "untrusted" and the user bus is "trusted" since per-method access control on the latter is unnecessary. On dbus1 busses we check the UID of the caller rather than the configured capability since the capability cannot be determined without race. On kdbus the capability is checked if possible from the attached meta-data of a message and otherwise queried from the sending peer. This also decorates the vtables of the various daemons we ship with these flags.
2013-12-04Fix typo: SetChasis -> SetChassisDavid Coppa
2013-12-03bus: make sd_bus_request_name() and sd_bus_release_name() behave more like ↵Lennart Poettering
other calls Instead of returning an enum of return codes, make them return error codes like kdbus does internally. Also, document this behaviour so that clients can stick to it. (Also rework bus-control.c to always have to functions for dbus1 vs. kernel implementation of the various calls.)
2013-11-21bus: rework message handlers to always take an error argumentLennart Poettering
Message handler callbacks can be simplified drastically if the dispatcher automatically replies to method calls if errors are returned. Thus: add an sd_bus_error argument to all message handlers. When we dispatch a message handler and it returns negative or a set sd_bus_error we send this as message error back to the client. This means errors returned by handlers by default are given back to clients instead of rippling all the way up to the event loop, which is desirable to make things robust. As a side-effect we can now easily turn the SELinux checks into normal function calls, since the method call dispatcher will generate the right error replies automatically now. Also, make sure we always pass the error structure to all property and method handlers as last argument to follow the usual style of passing variables for return values as last argument.
2013-11-21hostnamed: modernizationsLennart Poettering
2013-11-21bus: let's simplify things by getting rid of unnecessary bus parametersLennart Poettering
2013-11-12bus: introduce concept of a default bus for each thread and make use of it ↵Lennart Poettering
everywhere We want to emphasize bus connections as per-thread communication primitives, hence introduce a concept of a per-thread default bus, and make use of it everywhere.
2013-11-12bus: introduce concept of a "default" event loop per-thread and make use of ↵Lennart Poettering
it everywhere Try to emphasize a bit that there should be a mapping between event loops and threads, hence introduce a logic that there's one "default" event loop for each thread, that can be queried via "sd_event_default()".
2013-11-07clients: try to follow roughly the same order in --help texts for common optionsLennart Poettering
2013-11-07bus: log message parsing errors everywhere with a generalized ↵Lennart Poettering
bus_log_parse_error()
2013-11-07polkit: don't spawn local client if we access a remote systemLennart Poettering
2013-11-07consistently use "int" when retrieving "bool" from bus messagesKay Sievers
2013-11-06clients: unify how we invoke getopt_long()Lennart Poettering
Among other things this makes sure we always expose a --version command and show it in the help texts.
2013-11-06clients: various simplificationsLennart Poettering
2013-11-06Revert "hostnamed: prevent it from crashing if the chassis is unknown"Kay Sievers
This reverts commit 95b015de3849d8d8d03d9441ae1682a04c38833b. "bus: handle serialization of NULL strings" (cd6f997f71c3aba16aa08226d423d14cbc787f82) should fix this issue.
2013-11-06hostnamed: prevent it from crashing if the chassis is unknownThomas Hindoe Paaboel Andersen
When fallback_chassis would return null it led to a crash and an empty result in hostnamectl. Only seen after the sd-port.
2013-11-05bus: update bus_map_all_properties()Kay Sievers
2013-11-04hostnamectl: H requires an argument, P is no longer usedThomas Hindoe Paaboel Andersen
2013-11-02hostnamectl: port to sd-busSimon Peeters
Kay: - rebase to new transport logic - replaced iteration macro with property map
2013-10-22bus: avoid 'bool' storage when retrieving 'b' from the messageKay Sievers
Just use an unsigned int as a bool type to avoid issues in the public message reading API; sizeof(bool) == 1, but the code copies 4 bytes at the pointers destination.
2013-10-18bus: automatically flush bus queue when we exit the event loopLennart Poettering
This way, we do not have to call it manually
2013-10-18hostnamed: port over from libdbus to libsystemd-busLennart Poettering
2013-10-13Fix write-only use of a few variablesZbigniew Jędrzejewski-Szmek
Since the invention of read-only memory, write-only memory has been considered deprecated. Where appropriate, either make use of the value, or avoid writing it, to make it clear that it is not used.
2013-09-11Allow tabs in environment filesZbigniew Jędrzejewski-Szmek
bash allows them, and so should we. string_has_cc is changed to allow tabs, and if they are not wanted, they must be now checked for explicitly. There are two other callers, apart from the env file loaders, and one already checked anyway, and the other is changed to check. https://bugs.freedesktop.org/show_bug.cgi?id=68592 https://bugs.gentoo.org/show_bug.cgi?id=481554
2013-08-14hostnamectl: show only specific hostname when requestedZbigniew Jędrzejewski-Szmek
Existing --pretty, --transient, --static options, used previously for 'set-hostname' verb, are reused for the 'status' verb. If one of them is given, only the specified hostname is printed. This way there's no need to employ awk to get the hostname in a script.
2013-06-09Allow for the use of @ in remote host callsDaniel Wallace
Without this you have to use %40 with the -H flag because dbus doesn't like the @ sign being unescaped.
2013-05-23Fix --no-ask-passwordJan Janssen
POSIX_ME_HARDER mode is disabled for localectl. It doesn't make much sense in case of localectl, and there's little reason for localectl to behave specially.
2013-05-21man: Document missing optionsJan Janssen
2013-05-07hostnamectl: suppress outputting of pretty hostname field in status if emptyLennart Poettering
2013-05-07hostname: only suppress setting of pretty hostname if it is non-equal to the ↵Lennart Poettering
static hostname and if the static hostname is set, too https://bugzilla.redhat.com/show_bug.cgi?id=957814