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2015-08-26time-util: add new get_timezone() call to get local timezoneLennart Poettering
Let's move the timedated-specific code to time-util.h and make it generic.
2015-07-03sd-bus: introduce new sd_bus_flush_close_unref() callLennart Poettering
sd_bus_flush_close_unref() is a call that simply combines sd_bus_flush() (which writes all unwritten messages out) + sd_bus_close() (which terminates the connection, releasing all unread messages) + sd_bus_unref() (which frees the connection). The combination of this call is used pretty frequently in systemd tools right before exiting, and should also be relevant for most external clients, and is hence useful to cover in a call of its own. Previously the combination of the three calls was already done in the _cleanup_bus_close_unref_ macro, but this was only available internally. Also see #327
2015-05-15timedate: fix memory leak in timedatedCristian Rodríguez
$ /usr/lib/systemd/systemd-timedated (wait until auto-exit) ================================================================= ==396==ERROR: LeakSanitizer: detected memory leaks Direct leak of 928 byte(s) in 1 object(s) allocated from: #0 0x7f782f788db1 in __interceptor_calloc (/usr/lib64/libasan.so.2+0x96db1) #1 0x562a83ae60cf in bus_message_from_header src/libsystemd/sd-bus/bus-message.c:480 #2 0x562a83ae6f5a in bus_message_from_malloc src/libsystemd/sd-bus/bus-message.c:576 #3 0x562a83ad3cad in bus_socket_make_message src/libsystemd/sd-bus/bus-socket.c:915 #4 0x562a83ad4cfc in bus_socket_read_message src/libsystemd/sd-bus/bus-socket.c:1051 #5 0x562a83ab733f in bus_read_message src/libsystemd/sd-bus/sd-bus.c:1647 #6 0x562a83ab98ea in sd_bus_call src/libsystemd/sd-bus/sd-bus.c:2038 #7 0x562a83b1f46d in sd_bus_call_method src/libsystemd/sd-bus/bus-convenience.c:94 #8 0x562a83aab3e1 in context_read_ntp src/timedate/timedated.c:192 #9 0x562a83aae1af in main src/timedate/timedated.c:730 #10 0x7f782eb238c4 in __libc_start_main (/lib64/libc.so.6+0x208c4) Indirect leak of 77 byte(s) in 1 object(s) allocated from: #0 0x7f782f788f6a in realloc (/usr/lib64/libasan.so.2+0x96f6a) #1 0x562a83ad418a in bus_socket_read_message src/libsystemd/sd-bus/bus-socket.c:963 #2 0x562a83ab733f in bus_read_message src/libsystemd/sd-bus/sd-bus.c:1647 #3 0x562a83ab98ea in sd_bus_call src/libsystemd/sd-bus/sd-bus.c:2038 #4 0x562a83b1f46d in sd_bus_call_method src/libsystemd/sd-bus/bus-convenience.c:94 #5 0x562a83aab3e1 in context_read_ntp src/timedate/timedated.c:192 #6 0x562a83aae1af in main src/timedate/timedated.c:730 #7 0x7f782eb238c4 in __libc_start_main (/lib64/libc.so.6+0x208c4) Indirect leak of 2 byte(s) in 1 object(s) allocated from: #0 0x7f782f75493f in strdup (/usr/lib64/libasan.so.2+0x6293f) #1 0x562a83b0229b in bus_message_parse_fields src/libsystemd/sd-bus/bus-message.c:5382 #2 0x562a83ae7290 in bus_message_from_malloc src/libsystemd/sd-bus/bus-message.c:601 #3 0x562a83ad3cad in bus_socket_make_message src/libsystemd/sd-bus/bus-socket.c:915 #4 0x562a83ad4cfc in bus_socket_read_message src/libsystemd/sd-bus/bus-socket.c:1051 #5 0x562a83ab733f in bus_read_message src/libsystemd/sd-bus/sd-bus.c:1647 #6 0x562a83ab98ea in sd_bus_call src/libsystemd/sd-bus/sd-bus.c:2038 #7 0x562a83b1f46d in sd_bus_call_method src/libsystemd/sd-bus/bus-convenience.c:94 #8 0x562a83aab3e1 in context_read_ntp src/timedate/timedated.c:192 #9 0x562a83aae1af in main src/timedate/timedated.c:730 #10 0x7f782eb238c4 in __libc_start_main (/lib64/libc.so.6+0x208c4) SUMMARY: AddressSanitizer: 1007 byte(s) leaked in 3 allocation(s). This is due to missing _cleanup_bus_message_unref_ in context_read_ntp()
2015-05-06timedated: remove unnecessary gotoZbigniew Jędrzejewski-Szmek
Not needed since 99f861310d3f05f4.
2015-04-29sd-bus: drop bus parameter from message callback prototypeLennart Poettering
This should simplify the prototype a bit. The bus parameter is redundant in most cases, and in the few where it matters it can be derived from the message via sd_bus_message_get_bus().
2015-04-21tree-wide: get rid of more strerror() callsLennart Poettering
2015-03-21timedated: fix enable/disable reversalZbigniew Jędrzejewski-Szmek
Bug introduced in 984f1b1d1b. The state was flipped later, but the enable/disable routine made use of the state to decide what to do. context_enable_ntp() and context_start_ntp() now get the desired state directly, so the Context parameter can be removed.
2015-03-21timedated: flip internal status after executing operationZbigniew Jędrzejewski-Szmek
timedated would set the internal status before calling out to systemd to do the actual change. When the operation was refused because of a SELinux denial, the state kept in timedated would get out of sync, and the second call from timedatectl would appear to succeed. https://bugzilla.redhat.com/show_bug.cgi?id=1014315
2015-03-13Use space after a silencing (void)Zbigniew Jędrzejewski-Szmek
We were using a space more often than not, and this way is codified in CODING_STYLE.
2015-03-13tree-wide: there is no ENOTSUP on linuxDavid Herrmann
Replace ENOTSUP by EOPNOTSUPP as this is what linux actually uses.
2015-03-07adjust for time spent in timedated even without dbus timestampShawn Landden
it is trivial to fall back to our own timestamp v2: use now() v3: remove useless if () v4: add comment
2015-02-26timedated: when performing "SetTime" compensate for program lagShawn Landden
(David: fix up compile-failure and simplify code a bit)
2015-02-23remove unused includesThomas Hindoe Paaboel Andersen
This patch removes includes that are not used. The removals were found with include-what-you-use which checks if any of the symbols from a header is in use.
2015-02-18logind: open up most bus calls for unpriviliged processes, using PolicyKitLennart Poettering
Also, allow clients to alter their own objects without any further priviliges. i.e. this allows clients to kill and lock their own sessions without involving PK.
2014-12-28tmpfiles: add new line type 'v' for creating btrfs subvolumesLennart Poettering
2014-12-25timedated: remove spurious include of <sys/capability.h>Filipe Brandenburger
It does not use any functions from libcap directly. The CAP_SYS_TIME constant in use by this file comes from <linux/capability.h> imported through "missing.h". Tested that "systemd-timedated" builds cleanly and works after this change.
2014-12-10sd-bus: move common errors src/shared/bus-errors.h → ↵Lennart Poettering
src/libsystemd/sd-bus/bus-common-errors.h Stuff in src/shared/ should not use stuff from src/libsystemd/ really.
2014-12-08sd-bus: rework ELF error mapping table magicLennart Poettering
The ELF magic cannot work for consumers of our shard library, since they are in a different module. Hence make all the ELF magic private, and instead introduce a public function to register additional static mapping table.
2014-11-28treewide: use log_*_errno whenever %m is in the format stringMichal Schmidt
If the format string contains %m, clearly errno must have a meaningful value, so we might as well use log_*_errno to have ERRNO= logged. Using: find . -name '*.[ch]' | xargs sed -r -i -e \ 's/log_(debug|info|notice|warning|error|emergency)\((".*%m.*")/log_\1_errno(errno, \2/' Plus some whitespace, linewrap, and indent adjustments.
2014-11-28treewide: yet more log_*_errno + return simplificationsMichal Schmidt
Using: find . -name '*.[ch]' | while read f; do perl -i.mmm -e \ 'local $/; local $_=<>; s/(if\s*\([^\n]+\))\s*{\n(\s*)(log_[a-z_]*_errno\(\s*([->a-zA-Z_]+)\s*,[^;]+);\s*return\s+\g4;\s+}/\1\n\2return \3;/msg; print;' $f done And a couple of manual whitespace fixups.
2014-11-28treewide: no need to negate errno for log_*_errno()Michal Schmidt
It corrrectly handles both positive and negative errno values.
2014-11-28treewide: auto-convert the simple cases to log_*_errno()Michal Schmidt
As a followup to 086891e5c1 "log: add an "error" parameter to all low-level logging calls and intrdouce log_error_errno() as log calls that take error numbers", use sed to convert the simple cases to use the new macros: find . -name '*.[ch]' | xargs sed -r -i -e \ 's/log_(debug|info|notice|warning|error|emergency)\("(.*)%s"(.*), strerror\(-([a-zA-Z_]+)\)\);/log_\1_errno(-\4, "\2%m"\3);/' Multi-line log_*() invocations are not covered. And we also should add log_unit_*_errno().
2014-11-28log: fix order of log_unit_struct() to match other logging callsLennart Poettering
Also, while we are at it, introduce some syntactic sugar for creating ERRNO= and MESSAGE= structured logging fields.
2014-10-31Make bus errno mappings non-staticZbigniew Jędrzejewski-Szmek
__attribute__((used)) is not enough to force static variables to be carried over to a compiled program from a library. Mappings defined in libsystemd-shared.a were not visible in the compiled binaries. To ensure that the mappings are present in the final binary, the tables are made non-static and are given a real unique name by which they can be referenced. To use a mapping defined not in the local compilation unit (e.g. in a library) a reference to the mapping table is added. This is done by including a declaration in the header file. Expected values in test-engine are fixed to reflect the new mappings.
2014-10-30Convert the rest to sd_bus_errnomapZbigniew Jędrzejewski-Szmek
I tried to preserve most errno values, but in some cases they were inconsistent (different errno values for the same error name) or just mismatched.
2014-10-23mac: rename apis with mac_{selinux/smack}_ prefixWaLyong Cho
2014-08-18bus-util: simplify bus_verify_polkit_async() a bitLennart Poettering
First, let's drop the "bus" argument, we can determine it from the message anyway. Secondly, determine the right callback/userdata pair automatically from what is currently is being dispatched. This should simplify things a lot for us, since it makes it unnecessary to pass pointers through the original handlers through all functions when we process messages, which might require authentication.
2014-08-15Merge commit 'b39a2770ba55637da80e2e389222c59dbea73507'Lennart Poettering
2014-08-15sd-bus: add API to check if a client has privilegesLennart Poettering
This is a generalization of the vtable privilege check we already have, but exported, and hence useful when preparing for a polkit change. This will deal with the complexity that on dbus1 one cannot trust the capability field we retrieve via the bus, since it is read via /proc/$$/stat (and thus might be out-of-date) rather than directly from the message (like on kdbus) or bus connection (as for uid creds on dbus1). Also, port over all code to this new API.
2014-08-15sd-bus: Remove bus arg from bus_verify_polkit_async_registry_free()Stef Walter
It's unneccessary, not used, and complicates callers of the function.
2014-08-04bus: always explicitly close bus from main programsLennart Poettering
Since b5eca3a2059f9399d1dc52cbcf9698674c4b1cf0 we don't attempt to GC busses anymore when unsent messages remain that keep their reference, when they otherwise are not referenced anymore. This means that if we explicitly want connections to go away, we need to close them. With this change we will no do so explicitly wherver we connect to the bus from a main program (and thus know when the bus connection should go away), or when we create a private bus connection, that really should go away after our use. This fixes connection leaks in the NSS and PAM modules.
2014-07-09timedated: manage systemd-timesyncd directly instead of lists of alternativesKay Sievers
Alternative NTP implementations should add a: Conflicts=systemd-timesyncd.service to take over the built-in NTP functionality of systemd.
2014-07-07shared: make timezone and locale enumeration and validation genericLennart Poettering
This way we can reuse it other code thatn just localectl/localed + timedatectl/timedated.
2014-05-24timedated: refuse manual system time updates when automatic timesync is enabledKay Sievers
2014-05-24clock-util: clock_[sg]et_time() -> clock_[sg]et_hwclock()Kay Sievers
2014-05-24shared: rename hwclock.[ch] to clock-util.[ch]Kay Sievers
2014-05-15Remove unnecessary casts in printfsZbigniew Jędrzejewski-Szmek
No functional change expected :)
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).
2014-03-24timedate: fix numerous grammar errors in comments and output/debug messagesJason St. John
2014-03-17core, libsystemd, systemd, timedate, udev: spelling fixesMiklos Vajna
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.)
2013-12-12timedated: make sure GetAll() succeeds in systems lacking /dev/rtc (such as ↵Lennart Poettering
containers)
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.
2013-12-03bus: 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.