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2016-10-06Merge pull request #4199 from dvdhrm/hwdb-orderLennart Poettering
hwdb: return conflicts in a well-defined order
2016-10-06networkd: fix coding style (#4294)Susant Sahani
2016-10-06journald, ratelimit: fix inaccurate message suppression in ↵Yuki Inoguchi
journal_rate_limit_test() (#4291) Currently, the ratelimit does not handle the number of suppressed messages accurately. Even though the number of messages reaches the limit, it still allows to add one extra messages to journal. This patch fixes the problem.
2016-10-05networkd: use BridgeFDB as well on bridge ports (#4253)Tobias Jungel
[BridgeFDB] did not apply to bridge ports so far. This patch adds the proper handling. In case of a bridge interface the correct flag NTF_MASTER is now set in the netlink call. FDB MAC addresses are now applied in link_enter_set_addresses to make sure the link is setup.
2016-10-05seccomp: add support for the s390 architecture (#4287)hbrueckner
Add seccomp support for the s390 architecture (31-bit and 64-bit) to systemd. This requires libseccomp >= 2.3.1.
2016-10-05nspawn: add log message to let users know that nspawn needs an empty /dev ↵Djalal Harouni
directory (#4226) Fixes https://github.com/systemd/systemd/issues/3695 At the same time it adds a protection against userns chown of inodes of a shared mount point.
2016-10-04tree-wide: remove consecutive duplicate words in commentsStefan Schweter
2016-10-04list: LIST_INSERT_BEFORE: update head if necessary (#4261)Michael Olbrich
If the new item is inserted before the first item in the list, then the head must be updated as well. Add a test to the list unit test to check for this.
2016-10-04automount: make sure the expire event is restarted after a daemon-reload (#4265)Michael Olbrich
If the corresponding mount unit is deserialized after the automount unit then the expire event is set up in automount_trigger_notify(). However, if the mount unit is deserialized first then the automount unit is still in state AUTOMOUNT_DEAD and automount_trigger_notify() aborts without setting up the expire event. Explicitly call automount_start_expire() during coldplug to make sure that the expire event is set up as necessary. Fixes #4249.
2016-10-03nspawn: set shared propagation mode for the containerAlban Crequy
2016-10-01core: do not try to create /run/systemd/transient in test modeZbigniew Jędrzejewski-Szmek
This prevented systemd-analyze from unprivileged operation on older systemd installations, which should be possible. Also, we shouldn't touch the file system in test mode even if we can.
2016-10-01analyze-verify: honour $SYSTEMD_UNIT_PATH, allow system paths to be ignoredZbigniew Jędrzejewski-Szmek
SYSTEMD_UNIT_PATH=foobar: systemd-analyze verify barbar/unit.service will load units from barbar/, foobar/, /etc/systemd/system/, etc. SYSTEMD_UNIT_PATH= systemd-analyze verify barbar/unit.service will load units only from barbar/, which is useful e.g. when testing systemd's own units on a system with an older version of systemd installed.
2016-10-01core: complain if Before= dep on .device is declaredZbigniew Jędrzejewski-Szmek
[Unit] Before=foobar.device [Service] ExecStart=/bin/true Type=oneshot $ systemd-analyze verify before-device.service before-device.service: Dependency Before=foobar.device ignored (.device units cannot be delayed)
2016-10-01systemctl: Add --wait option to wait until started units terminate againMartin Pitt
Fixes #3830
2016-10-01nss-resolve: return NOTFOUND instead of UNAVAIL on resolution errorsMartin Pitt
It needs to be possible to tell apart "the nss-resolve module does not exist" (which can happen when running foreign-architecture programs) from "the queried DNS name failed DNSSEC validation" or other errors. So return NOTFOUND for these cases too, and only keep UNAVAIL for the cases where we cannot handle the given address family. This makes it possible to configure a fallback to "dns" without breaking DNSSEC, with "resolve [!UNAVAIL=return] dns". Add this to the manpage. This does not change behaviour if resolved is not running, as that already falls back to the "dns" glibc module. Fixes #4157
2016-10-01nss-resolve: simplify error handlingMartin Pitt
Handle general errors from the resolved call in _nss_resolve_gethostbyaddr2_r() the same say as in the other variants: Just "goto fail" as that does exactly the same.
2016-10-01core: update warning messageZbigniew Jędrzejewski-Szmek
"closing all" might suggest that _all_ fds received with the notification message will be closed. Reword the message to clarify that only the "unused" ones will be closed.
2016-10-01core: get rid of unneeded state variableZbigniew Jędrzejewski-Szmek
No functional change.
2016-09-30networkd: fix "parametres" typo (#4244)Elias Probst
2016-09-30Merge pull request #4225 from keszybz/coredumpMartin Pitt
coredump: remove Storage=both support, various fixes for sd-coredump and coredumpctl
2016-09-30resolved: don't query domain-limited DNS servers for other domains (#3621)Martin Pitt
DNS servers which have route-only domains should only be used for the specified domains. Routing queries about other domains there is a privacy violation, prone to fail (as that DNS server was not meant to be used for other domains), and puts unnecessary load onto that server. Introduce a new helper function dns_server_limited_domains() that checks if the DNS server should only be used for some selected domains, i. e. has some route-only domains without "~.". Use that when determining whether to query it in the scope, and when writing resolv.conf. Extend the test_route_only_dns() case to ensure that the DNS server limited to ~company does not appear in resolv.conf. Add test_route_only_dns_all_domains() to ensure that a server that also has ~. does appear in resolv.conf as global name server. These reproduce #3420. Add a new test_resolved_domain_restricted_dns() test case that verifies that domain-limited DNS servers are only being used for those domains. This reproduces #3421. Clarify what a "routing domain" is in the manpage. Fixes #3420 Fixes #3421
2016-09-29pid1: more informative error message for ignored notificationsZbigniew Jędrzejewski-Szmek
It's probably easier to diagnose a bad notification message if the contents are printed. But still, do anything only if debugging is on.
2016-09-29pid1: process zero-length notification messages againZbigniew Jędrzejewski-Szmek
This undoes 531ac2b234. I acked that patch without looking at the code carefully enough. There are two problems: - we want to process the fds anyway - in principle empty notification messages are valid, and we should process them as usual, including logging using log_unit_debug().
2016-09-29pid1: don't return any error in manager_dispatch_notify_fd() (#4240)Franck Bui
If manager_dispatch_notify_fd() fails and returns an error then the handling of service notifications will be disabled entirely leading to a compromised system. For example pid1 won't be able to receive the WATCHDOG messages anymore and will kill all services supposed to send such messages.
2016-09-29If the notification message length is 0, ignore the message (#4237)Jorge Niedbalski
Fixes #4234. Signed-off-by: Jorge Niedbalski <jnr@metaklass.org>
2016-09-28coredump,catalog: give better notice when a core file is truncatedZbigniew Jędrzejewski-Szmek
coredump had code to check if copy_bytes() hit the max_bytes limit, and refuse further processing in that case. But in 84ee0960443, the return convention for copy_bytes() was changed from -EFBIG to 1 for the case when the limit is hit, so the condition check in coredump couldn't ever trigger. But it seems that *do* want to process such truncated cores [1]. So change the code to detect truncation properly, but instead of returning an error, give a nice log entry. [1] https://github.com/systemd/systemd/issues/3883#issuecomment-239106337 Should fix (or at least alleviate) #3883.
2016-09-28coredump: log if the core is too large to store or generate backtraceZbigniew Jędrzejewski-Szmek
Another fix for #4161.
2016-09-28coredumpctl: delay the "on tty" refusal until as late as possibleZbigniew Jędrzejewski-Szmek
For the user, if the core file is missing or inaccessible, it is more interesting that the fact that they forgot to pipe to a file. So delay the failure from the check until after we have verified that the file or the COREDUMP field are present. Partially fixes #4161. Also, error reporting on failure was duplicated. save_core() now always prints an error message (because it knows the paths involved, so can the most useful message), and the callers don't have to.
2016-09-28coredumpctl: tighten print_field() codeZbigniew Jędrzejewski-Szmek
Propagate errors properly, so that if we hit oom or an error in the journal, the whole command will fail. This is important when using the output in scripts. Support the output of multiple values for the same field with -F. The journal supports that, and our official commands should too, as far as it makes sense. -F can be used to print user-defined fields (e.g. somebody could use a TAG field with multiple occurences), so we should support that too. That seems better than silently printing the last value found as was done before. We would iterate trying to match the same field with all possible field names. Once we find something, cut the loop short, since we know that nothing else can match.
2016-09-28coredumpctl: rework presence reportingZbigniew Jędrzejewski-Szmek
The column for "present" was easy to miss, especially if somebody had no coredumps present at all, in which case the column of spaces of width one wasn't visually distinguished from the neighbouring columns. Replace this with an explicit text, one of: "missing", "journal", "present", "error". $ coredumpctl TIME PID UID GID SIG COREFILE EXE Mon 2016-09-26 22:46:31 CEST 8623 0 0 11 missing /usr/bin/bash Mon 2016-09-26 22:46:35 CEST 8639 1001 1001 11 missing /usr/bin/bash Tue 2016-09-27 01:10:46 CEST 16110 1001 1001 11 journal /usr/bin/bash Tue 2016-09-27 01:13:20 CEST 16290 1001 1001 11 journal /usr/bin/bash Tue 2016-09-27 01:33:48 CEST 17867 1001 1001 11 present /usr/bin/bash Tue 2016-09-27 01:37:55 CEST 18549 0 0 11 error /usr/bin/bash Also, use access(…, R_OK), so that we can report a present but inaccessible file different than a missing one.
2016-09-28coredumpctl: report corefile presence properlyZbigniew Jędrzejewski-Szmek
In 'list', show present also for coredumps stored in the journal. In 'status', replace "File" with "Storage" line that is always present. Possible values: Storage: none Storage: journal Storage: /path/to/file (inacessible) Storage: /path/to/file Previously the File field be only present if the file was accessible, so users had to manually extract the file name precisely in the cases where it was needed, i.e. when coredumpctl couldn't access the file. It's much more friendly to always show something. This output is designed for human consumption, so it's better to be a bit verbose. The call to sd_j_set_data_threshold is moved, so that status is always printed with the default of 64k, list uses 4k, and coredump retrieval is done with the limit unset. This should make checking for the presence of the COREDUMP field not too costly.
2016-09-28coredumpctl: report user unit properlyZbigniew Jędrzejewski-Szmek
2016-09-28coredumpctl: fix spurious "more than one entry matches" warningZbigniew Jędrzejewski-Szmek
sd_journal_previous() returns 0 if it didn't do any move, so the warning was stupidly always printed.
2016-09-28coredumpctl: fix handling of files written to fdZbigniew Jędrzejewski-Szmek
Added in 9fe13294a9 (by me :[```), and later obfuscated in d0c8806d4ab, if an uncompressed external file or an internally stored coredump was supposed to be written to a file descriptor, nothing would be written.
2016-09-28coredump: remove Storage=both optionZbigniew Jędrzejewski-Szmek
Back when external storage was initially added in 34c10968cb, this mode of storage was added. This could have made some sense back when XZ compression was used, and an uncompressed core on disk could be used as short-lived cache file which does require costly decompression. But now fast LZ4 compression is used (by default) both internally and externally, so we have duplicated storage, using the same compression and same default maximum core size in both cases, but with different expiration lifetimes. Even the uncompressed-external, compressed-internal mode is not very useful: for small files, decompression with LZ4 is fast enough not to matter, and for large files, decompression is still relatively fast, but the disk-usage penalty is very big. An additional problem with the two modes of storage is that it complicates the code and makes it much harder to return a useful error message to the user if we cannot find the core file, since if we cannot find the file we have to check the internal storage first. This patch drops "both" storage mode. Effectively this means that if somebody configured coredump this way, they will get a warning about an unsupported value for Storage, and the default of "external" will be used. I'm pretty sure that this mode is very rarely used anyway.
2016-09-28journal: add stdout_stream_scan() comment (#4102)Vito Caputo
When s->length is zero this function doesn't do anything, note that in a comment.
2016-09-28Merge pull request #4185 from endocode/djalal-sandbox-first-protection-v1Evgeny Vereshchagin
core:sandbox: Add new ProtectKernelTunables=, ProtectControlGroups=, ProtectSystem=strict and fixes
2016-09-27Merge pull request #4220 from keszybz/show-and-formatting-fixesMartin Pitt
Show and formatting fixes
2016-09-27basic: fix for IPv6 status (#4224)Susant Sahani
Even if ``` cat /proc/sys/net/ipv6/conf/all/disable_ipv6 1 ``` is disabled cat /proc/net/sockstat6 ``` TCP6: inuse 2 UDP6: inuse 1 UDPLITE6: inuse 0 RAW6: inuse 0 FRAG6: inuse 0 memory 0 ``` Looking for /proc/net/if_inet6 is the right choice.
2016-09-27test: make sure that {readonly|inaccessible|readwrite}paths disconnect mount ↵Djalal Harouni
propagation Better safe.
2016-09-27test: add tests for simple ReadOnlyPaths= caseDjalal Harouni
2016-09-26test-bus-creds: are more debugging infoZbigniew Jędrzejewski-Szmek
This test sometimes fails in semaphore, but not when run interactively, so it's hard to debug.
2016-09-26udev/path_id: introduce support for NVMe devices (#4169)Keith Busch
This appends the nvme name and namespace identifier attribute the the PCI path for by-path links. Symlinks like the following are now present: lrwxrwxrwx. 1 root root 13 Sep 16 12:12 pci-0000:01:00.0-nvme-1 -> ../../nvme0n1 lrwxrwxrwx. 1 root root 15 Sep 16 12:12 pci-0000:01:00.0-nvme-1-part1 -> ../../nvme0n1p1 Cc: Michal Sekletar <sekletar.m@gmail.com> Signed-off-by: Keith Busch <keith.busch@intel.com>
2016-09-26core: Fix USB functionfs activation and clarify its documentation (#4188)Paweł Szewczyk
There was no certainty about how the path in service file should look like for usb functionfs activation. Because of this it was treated differently in different places, which made this feature unusable. This patch fixes the path to be the *mount directory* of functionfs, not ep0 file path and clarifies in the documentation that ListenUSBFunction should be the location of functionfs mount point, not ep0 file itself.
2016-09-26machinectl: prefer user@ to --uid=user for shell (#4006)Zbigniew Jędrzejewski-Szmek
It seems to me that the explicit positional argument should have higher priority than "an option".
2016-09-26journald,ratelimit: fix wrong calculation of burst_modulate() (#4218)HATAYAMA Daisuke
This patch fixes wrong calculation of burst_modulate(), which now calculates the values smaller than really expected ones if available disk space is strictly more than 1MB. In particular, if available disk space is strictly more than 1MB and strictly less than 16MB, the resulted value becomes smaller than its original one. >>> (math.log2(1*1024**2)-16) / 4 1.0 >>> (math.log2(16*1024**2)-16) / 4 2.0 >>> (math.log2(256*1024**2)-16) / 4 3.0 → This matches the comment in the function.
2016-09-26coredump: initialize coredump_size in submit_coredump() (#4219)Matej Habrnal
If ulimit is smaller than page_size(), function save_external_coredump() returns -EBADSLT and this causes skipping whole core dumping part in submit_coredump(). Initializing coredump_size to UINT64_MAX prevents evaluating a condition with uninitialized varialbe which leads to calling allocate_journal_field() with coredump_fd = -1 which causes aborting. Signed-off-by: Matej Habrnal <mhabrnal@redhat.com>
2016-09-26treewide: fix typos (#4217)Torstein Husebø
2016-09-25test: add CAP_MKNOD tests for PrivateDevices=Djalal Harouni
2016-09-25core: Use @raw-io syscall group to filter I/O syscalls when PrivateDevices= ↵Djalal Harouni
is set Instead of having a local syscall list, use the @raw-io group which contains the same set of syscalls to filter.