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2015-06-17bus: fix installing DRIVER matches on kdbusDavid Herrmann
In kdbus we still have to support org.freedesktop.DBus matches even though there is no real bus driver. The reason is that bus-control.c turns NameOwnerChanged matches into proper kdbus matches. If we drop DRIVER matches early, we will never match on name-changes for kdbus. Two ways to fix this: 1) Install DRIVER matches on kdbus (which is the simple way our and which is what this patch does). 2) Properly fix the scope-detection to let NameOwnerChanged matches through (or better: block anything with Member!=NameOwnerChanged).
2015-06-17turn kdbus support into a runtime optionKay Sievers
./configure --enable/disable-kdbus can be used to set the default behavior regarding kdbus. If no kdbus kernel support is available, dbus-dameon will be used. With --enable-kdbus, the kernel command line option "kdbus=0" can be used to disable kdbus. With --disable-kdbus, the kernel command line option "kdbus=1" is required to enable kdbus support.
2015-06-17libsystemd: remove list of symbols to export only in the futureKay Sievers
2015-06-17Merge pull request #246 from smcv/xpg-not-xdgLennart Poettering
Stop talking about the "XDG" version of basename()
2015-06-17Stop talking about the "XDG" version of basename()Simon McVittie
XDG refers to X Desktop Group, a former name for freedesktop.org. This group is responsible for specifications like basedirs, .desktop files and icon naming, but as far as I know, it has never tried to redefine basename(). I think these references were meant to say XPG (X/Open Portability Guide), a precursor of POSIX. POSIX is better-known and less easily confused with XDG, and is how the basename(3) man page describes the libgen.h version of basename(). The other version of basename() is glibc-specific and is described in basename(3) as "the GNU version"; specifically mention that version, to disambiguate.
2015-06-17Merge pull request #244 from poettering/sdbus-suppress-localDavid Herrmann
sd-bus: suppress installing local bus matches server side
2015-06-17sd-bus: suppress installing local bus matches server sideLennart Poettering
Matches that can only match against messages from the org.freedesktop.DBus.Local service (or the local interfaces or path) should never be installed server side, suppress them hence. Similar, on kdbus matches that can only match driver messages shouldn't be passed to the kernel.
2015-06-17Merge pull request #239 from dvdhrm/event-assertLennart Poettering
sd-event: make errors on EPOLL_CTL_DEL pseudo-fatal
2015-06-17sd-event: make errors on EPOLL_CTL_DEL pseudo-fatalDavid Herrmann
If we call EPOLL_CTL_DEL, we *REALLY* expect the file-descriptor to be present in that given epoll-set. We actually track such state via our s->io.registered flag, so it better be true. Make sure if that's not true, we treat it similar to assert_return() (ie., print a loud warning).
2015-06-17build-sys: hide magic section variables from exported symbolsKay Sievers
https://github.com/systemd/systemd/issues/234
2015-06-16Merge pull request #197 from dvdhrm/hashmapMichal Schmidt
hashmap: fix iterators to not skip entries
2015-06-16sd-bus: use proper cleanup macroUmut Tezduyar Lindskog
2015-06-15everywhere: port everything to sigprocmask_many() and friendsLennart Poettering
This ports a lot of manual code over to sigprocmask_many() and friends. Also, we now consistly check for sigprocmask() failures with assert_se(), since the call cannot realistically fail unless there's a programming error. Also encloses a few sd_event_add_signal() calls with (void) when we ignore the return values for it knowingly.
2015-06-14hashmap: fix iterators to not skip entriesDavid Herrmann
Currently, the HASHMAP iterators stop at the first NULL entry in a hashmap. This is non-obvious and breaks users like sd-device, which legitimately store NULL values in a hashmap. Fix all the iterators by taking a pointer to the value storage, instead of returning it. The iterators now return a boolean that tells whether the end of the list was reached. Current users of HASHMAP_FOREACH() are *NOT* changed to explicitly check for NULL. If it turns out, there were users that inserted NULL into hashmaps, but didn't properly check for it during iteration, then we really want to find those and fix them.
2015-06-13sd-netlink: socket - move some functions from main source fileTom Gundersen
2015-06-13sd-netlink: message - split up source fileTom Gundersen
Split netlink-socket.c and rtnl-message.c from netlink-message.c.
2015-06-13sd-netlink: drop the write-queueTom Gundersen
AF_NETLINK is not write-buffered, so this was actually never used.
2015-06-13sd-netlink: rename from sd-rtnlTom Gundersen
2015-06-11Merge pull request #171 from teg/rtnl-broadcast-2David Herrmann
sd-rtnl: make joining broadcast groups implicit
2015-06-11sd-rtnl: make joining broadcast groups implicitTom Gundersen
2015-06-11sd-rtnl: use netlink header rather than ucred in socket_recv_message()Tom Gundersen
Lets us simplify the function and drop SO_PASSCRED. Thanks to Alexander Larsson and David Herrmann.
2015-06-11Merge pull request #158 from ssahani/netLennart Poettering
Net
2015-06-11build-sys: split internal basic/ library from shared/Kay Sievers
basic/ can be used by everything cannot use anything outside of basic/ libsystemd/ can use basic/ cannot use shared/ shared/ can use libsystemd/
2015-06-11sd-network: fix CID 1306198Susant Sahani
2015-06-10Merge pull request #148 from teg/sd-network-raceLennart Poettering
sd-network: allow the state dir to be created after the monitor
2015-06-10bus: we now support path_namespace=/David Herrmann
Our bloom-filters support root-path matching. Make sure we properly add the path_namespace= tag.
2015-06-10bus: fix pattern matchingDavid Herrmann
DBus-spec defines two different pattern matchings: 1) Path and namespace prefix matching. In this case, A matches B either if both are equal, or if B is fully included in the namespace of A. In other words, A has to be a prefix of B, but end with a separator character (or the following character in B must be one). This is used for path_namespace= and arg0namespace= 2) The other pattern matching is used for arg0path= which does a two-way matching. That is, A must be a prefix of B, or B a prefix of A. Furthermore, the prefix must end with a separator. Fix the sd-bus helpers to reflect that. The 'simple_' and 'complex_' prefixes don't make any sense now, but.. eh..
2015-06-10bus: fix test-bus-kerne-bloom.c to match properlyDavid Herrmann
Make sure we actually verify our match-rules are executed properly. Right now all we test is the bloom-matches, which are non-reliable as they leave through false-positives.
2015-06-10bus: fix arg0path= two-way matchingDavid Herrmann
DBus spec clearly defines arg0path= to be a two-way matching. That is, either the matcher or the matchee can be a prefix of the other to match. This is not possible to implement with bloom-filters. Instead, we'd have to add a separate filter for each prefix. This is non-trivial, though. Hence, just skip the match for now and match locally.
2015-06-10bus: fix bloom_add_prefixes() to add all required dataDavid Herrmann
Lets look at an example where we add arg0="/foo/bar/waldo" to a bloom-filter. The following strings are added: "arg0:/foo/bar/waldo" "arg0-slash-prefix:/foo/bar" "arg0-slash-prefix:/foo" Two problems arise: 1) If we match on "arg0path=/foo/bar/waldo", the dbus-spec explicitly states that equal strings are also considered prefixes. However, in the bloom-match, we can only provide a single match-filter. Therefore, we have to add "arg0-slash-prefix:/foo/bar/waldo" there, but this never occured in the bloom-mask of the message. Hence, this patch makes sure bloom_add_prefixes() adds the full path as prefix, too. 2) If we match on "arg0path=/foo/", the dbus-spec states that arg0path does prefix-matching with the trailing slash _included_, unlike path_namespace= matches, which does *not* include them. This is inconsistent, but we have to support the specs. Therefore, we must add prefixes with _and_ without trailing separators. Hence, this patch makes sure bloom_add_prefixes() adds all prefixes with the trailing slash included. The final set of strings added therefore is: "arg0:/foo/bar/waldo" "arg0-slash-prefix:/foo/bar/waldo" "arg0-slash-prefix:/foo/bar/" "arg0-slash-prefix:/foo/bar" "arg0-slash-prefix:/foo/" "arg0-slash-prefix:/foo" "arg0-slash-prefix:/"
2015-06-10sd-network: allow the state dir to be created after the monitorTom Gundersen
We now listen for new subdirs of /run/systemd, and /run/systemd/netif in case /run/systemd/netif/links does not exist.
2015-06-10util: introduce CMSG_FOREACH() macro and make use of it everywhereLennart Poettering
It's only marginally shorter then the usual for() loop, but certainly more readable.
2015-06-10Merge pull request #142 from teg/sd-network-unref-NULLLennart Poettering
sd-network: allow NULL in sd_network_monitor_unref
2015-06-10sd-network: allow NULL in sd_network_monitor_unrefTom Gundersen
Match rest of codebase, we always allow unref'ing NULL.
2015-06-10Merge pull request #85 from keszybz/selinux-contextZbigniew Jędrzejewski-Szmek
2015-06-10sd-bus: remove ucred parameter from bus_message_from_header() since we don't ↵Lennart Poettering
use it anymore
2015-06-10sd-bus: fix early exit when we lack all data in bus_get_owner_creds_dbus1()Lennart Poettering
2015-06-10bus-message: remove shadow warning with log_debug_bus_message()Lennart Poettering
2015-06-10sd-bus: store selinux context at connection timeZbigniew Jędrzejewski-Szmek
This appears to be the right time to do it for SOCK_STREAM unix sockets. Also: condition bus_get_owner_creds_dbus1 was reversed. Split it out to a separate variable for clarity and fix. https://bugzilla.redhat.com/show_bug.cgi?id=1224211
2015-06-10sd-bus: do not use per-datagram auxiliary informationZbigniew Jędrzejewski-Szmek
SELinux information cannot be retrieved this way, since we are using stream unix sockets and SCM_SECURITY does not work for them. SCM_CREDENTIALS use dropped to be consistent. We also should get this information at connection time. https://bugzilla.redhat.com/show_bug.cgi?id=1224211 "SCM_SECURITY was only added for datagram sockets."
2015-06-10sd-bus: Correct typoTorstein Husebø
2015-06-10Merge pull request #117 from ↵Lennart Poettering
utezduyar/feat/dump-sync-dbus-message-with-logging-on sd-bus: dump sync messages in debug mode
2015-06-10sd-bus: dump sync messages in debug modeUmut Tezduyar Lindskog
2015-06-10logind,sd-event: drop spurious new-linesLennart Poettering
2015-06-10tree-wide: whenever we fork off a foreign child process reset signal ↵Lennart Poettering
mask/handlers Also, when the child is potentially long-running make sure to set a death signal. Also, ignore the result of the reset operations explicitly by casting them to (void).
2015-06-09bus-creds: always set SD_BUS_CREDS_PID when we set pid in the maskZbigniew Jędrzejewski-Szmek
Also reorder the code a bit to be easier to parse.
2015-06-09sd-bus: add async convenience method call APIUmut Tezduyar Lindskog
2015-06-05bus: don't force send-masks on kdbus busesDavid Herrmann
Right now we always pass KDBUS_ITEM_ATTACH_FLAGS_RECV to KDBUS_CMD_BUS_MAKE, effectively forcing every bus connection to do the same during KDBUS_CMD_HELLO. This used to be a workaround to make sure all metadata is always present. However, we refrained from that approach and intend to make all metadata collection solely rely on /proc access restrictions. Therefore, there is no need to force the send-flags mask on newly created buses.
2015-06-04bus: update kdbus.hDavid Herrmann
Sync with upstream.
2015-06-04sd-event: don't touch fd's accross forksTom Gundersen
We protect most of the API from use accross forks, but we still allow both sd_event and sd_event_source objects to be unref'ed. This would cause problems as it would unregister sources from the underlying eventfd, hence also affecting the original instance in the parent process. This fixes the issue by not touching the fds on unref when done accross a fork, but still free the memory. This fixes a regression introduced by "udevd: move main-loop to sd-event": 693d371d30fee where the worker processes were disabling the inotify event source in the main daemon.