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2016-04-22coredump,basic: generalize O_TMPFILE handling a bitLennart Poettering
This moves the O_TMPFILE handling from the coredumping code into common library code, and generalizes it as open_tmpfile_linkable() + link_tmpfile(). The existing open_tmpfile() function (which creates an unlinked temporary file that cannot be linked into the fs) is renamed to open_tmpfile_unlinkable(), to make the distinction clear. Thus, code may now choose between: a) open_tmpfile_linkable() + link_tmpfile() b) open_tmpfile_unlinkable() Depending on whether they want a file that may be linked back into the fs later on or not. In a later commit we should probably convert fopen_temporary() to make use of open_tmpfile_linkable(). Followup for: #3065
2016-04-22systemctl: add two minor assert()sLennart Poettering
2016-04-22path-lookup: optimize a common strv copy operation awayLennart Poettering
Follow-up for: https://github.com/systemd/systemd/pull/3033#discussion_r59689398
2016-04-22tree-wide: don't assume CLOCK_BOOTIME is generally availableLennart Poettering
Before we invoke now(CLOCK_BOOTTIME), let's make sure we actually have that clock, since now() will otherwise hit an assert. Specifically, let's refuse CLOCK_BOOTTIME early in sd-event if the kernel doesn't actually support it. This is a follow-up for #3037, and specifically: https://github.com/systemd/systemd/pull/3037#issuecomment-210199167
2016-04-22machine-id-setup: explicitly fsync() the machine ID after writingLennart Poettering
As discussed here: https://github.com/systemd/systemd/issues/2619#issuecomment-184670042 Explicitly syncing /etc/machine-id after writing it, is probably a good idea, since it has a strong "commit" character and is generally a one-time thing. Fixes #2619.
2016-04-22shared: move unit-specific code from bus-util.h to bus-unit-util.hLennart Poettering
Previously we'd have generally useful sd-bus utilities in bust-util.h, intermixed with code that is specifically for writing clients for PID 1, wrapping job and unit handling. Let's split the latter out and move it into bus-unit-util.c, to make the sources a bit short and easier to grok.
2016-04-22shared: drop kernel_thread bool from cgroups show codeLennart Poettering
Make this an output flag instead, so that our function prototypes can lose one parameter
2016-04-22loginctl,machinectl: also make use of new GetProcesses() bus callLennart Poettering
This ports over machinectl and loginctl to also use the new GetProcesses() bus call to show the process tree of a container or login session. This is similar to how systemctl already has been ported over in a previous commit.
2016-04-22networkd: consider various IPv6 features as disabled if IPv6 is not ↵Lennart Poettering
available in the kernel
2016-04-22core,systemctl: add bus API to retrieve processes of a unitLennart Poettering
This adds a new GetProcesses() bus call to the Unit object which returns an array consisting of all PIDs, their process names, as well as their full cgroup paths. This is then used by "systemctl status" to show the per-unit process tree. This has the benefit that the client-side no longer needs to access the cgroupfs directly to show the process tree of a unit. Instead, it now uses this new API, which means it also works if -H or -M are used correctly, as the information from the specific host is used, and not the one from the local system. Fixes: #2945
2016-04-22shared: fix minor memory leak in log display codeLennart Poettering
2016-04-22tmp.mount.hm4: After swap.target (#3087)frankheckenbach
fix issue #2930
2016-04-22treewide: fix typos (#3092)Torstein Husebø
2016-04-22Merge pull request #3084 from keszybz/preset-fixesLennart Poettering
Nicer error message is symlinking chokes on an existing file
2016-04-22Merge pull request #3088 from keszybz/manLennart Poettering
One man fix and unicodification of dashes
2016-04-21tree-wide: use mdash instead of a two minusesZbigniew Jędrzejewski-Szmek
2016-04-21man: document size param of sd_journal_add_matchZbigniew Jędrzejewski-Szmek
Fixes #1724.
2016-04-21shared/install: always overwrite symlinks in .wants and .requiresZbigniew Jędrzejewski-Szmek
Before: $ systemctl preset getty@.service Failed to preset unit, file /etc/systemd/system/getty.target.wants/getty@tty1.service already exists and is a symlink to ../../../../usr/lib/systemd/system/getty@.service. After: $ systemctl preset getty@.service Created symlink /etc/systemd/system/getty.target.wants/getty@tty1.service, pointing to /usr/lib/systemd/system/getty@.service. We don't really care where the symlink points to. For example, it might point to /usr/lib or /etc, and systemd will always load the unit from /etc in preference to /usr/lib. In fact, if we make a symlink like /etc/systemd/system/multi-user.target.wants/b.service -> ../a.service, pid1 will still start b.service. The name of the symlink is the only thing that matters, as far as systemd is concerned. For humans it's confusing when the symlinks points to anything else than the actual unit file. At the very least, the symlink is supposed to point to a file with the same name in some other directory. Since we don't care where the symlink points, we can always replace an existing symlink. Another option I considered would be to simply leave an existing symlink in place. That would work too, but replacing the symlink with the expected value seems more intuitive. Of course those considerations only apply to .wants and .requires. Symlinks created with "link" and "alias" are a separate matter. Fixes #3056.
2016-04-21systemctl,pid1: do not warn about missing install info with "preset"Zbigniew Jędrzejewski-Szmek
When "preset" was executed for a unit without install info, we'd warn similarly as for "enable" and "disable". But "preset" is usually called for all units, because the preset files are provided by the distribution, and the units are under control of individual programs, and it's reasonable to call "preset" for all units rather then try to do it only for the ones that can be installed. We also don't warn about missing info for "preset-all". Thus it seems reasonable to silently ignore units w/o install info when presetting. (In addition, when more than one unit was specified, we'd issue the warning only if none of them had install info. But this is probably something to fix for enable/disable too.)
2016-04-21hwdb: add trust illuminated mouse gxt 152 (#3085)Federico
2016-04-21shared/install: rewrite unit_file_changes_add()Zbigniew Jędrzejewski-Szmek
path_kill_slashes was applied to the wrong arg...
2016-04-21core/dbus-manager: drop unused param from installation functionsZbigniew Jędrzejewski-Szmek
2016-04-21shared/install: nicer error message is symlinking chokes on an existing fileZbigniew Jędrzejewski-Szmek
Fixes #1892. Previously: Failed to enable unit: Invalid argument Now: Failed to enable unit, file /etc/systemd/system/ssh.service already exists. It would be nice to include the unit name in the message too. I looked into this, but it would require major surgery on the whole installation logic, because we first create a list of things to change, and then try to apply them in a loop. To transfer the knowledge which unit was the source of each change, the data structures would have to be extended to carry the unit name over into the second loop. So I'm skipping this for now.
2016-04-21units: Add "GuessMainPID=no" to compatibility unit for rc-local (#3018)Calvin Owens
With the current "Type=forking", systemd tries to guess the PID it should wait on at reboot (because we have no "PIDFile="). Depending on how wrong the guess is, we can end up hanging forever at reboot. Asking it not to do that eliminates the problem.
2016-04-21networkd: When link gets dirty mark manager dirty too (#3080)Susant Sahani
If we not marking manager dirty when link is dirty then the state file is not updated. This is a side effect of issue 2850 setting CriticalConnection=yes timesyncd NTP servers given by DHCP server are ignored.
2016-04-21Merge pull request #3005 from keszybz/kill-user-procesesLennart Poettering
Kill user session scope by default
2016-04-21build: fix test-nss.c build failure with --disable-{resolved,myhostname} (#3081)Martin Pitt
When building without resolved and/or myhostname, test-nss.c failed to build with src/test/test-nss.c: In function 'main': src/test/test-nss.c:417:32: error: 'MODULE1' undeclared (first use in this function) NULSTR_FOREACH(module, MODULE1 MODULE2 MODULE3 MODULE4) { ^ Ensure that all MODULEx are always defined, and empty if the module is not available (so that it will be a no-op in the string concatenation).
2016-04-21shared/logs-show: fix memleak in add_matches_for_unitZbigniew Jędrzejewski-Szmek
2016-04-21loginctl: show linger status in user-statusZbigniew Jędrzejewski-Szmek
zbyszek (1002) Since: Tue 2016-04-12 23:11:46 EDT; 23min ago State: active Sessions: *3 Linger: yes Unit: user-1002.slice ├─user@1002.service │ └─init.scope │ ├─38 /usr/lib/systemd/systemd --user │ └─39 (sd-pam) └─session-3.scope ├─ 31 login -- zbyszek ├─ 44 -bash ├─15076 loginctl user-status zbyszek └─15077 less
2016-04-21logind: allow any user to request lingeringZbigniew Jędrzejewski-Szmek
We enable lingering for anyone who wants this. It is still disabled by default to avoid keeping long-running processes accidentally. Admins might want to customize this policy on multi-user sites.
2016-04-21logind: make KillOnlyUsers override KillUserProcessesZbigniew Jędrzejewski-Szmek
Instead of KillOnlyUsers being a filter for KillUserProcesses, it can now be used to specify users to kill, independently of the KillUserProcesses setting. Having the settings orthogonal seems to make more sense. It also makes KillOnlyUsers symmetrical to KillExcludeUsers.
2016-04-21build-sys: add --without-kill-user-processes configure optionZbigniew Jędrzejewski-Szmek
2016-04-21logind: flip KillUserProcesses to on by defaultZbigniew Jędrzejewski-Szmek
This ensures that users sessions are properly cleaned up after. The admin can still enable or disable linger for specific users to allow them to run processes after they log out. Doing that through the user session is much cleaner and provides better control. dbus daemon can now be run in the user session (with --enable-user-session, added in 1.10.2), and most distributions opted to pick this configuration. In the normal case it makes a lot of sense to kill remaining processes. The exception is stuff like screen and tmux. But it's easy enough to work around, a simple example was added to the man page in previous commit. In the long run those services should integrate with the systemd users session on their own. https://bugs.freedesktop.org/show_bug.cgi?id=94508 https://github.com/systemd/systemd/issues/2900
2016-04-21man: expand description of lingering and KillUserProcesses settingZbigniew Jędrzejewski-Szmek
The description in the man page was wrong, KillUserProcesses does not kill all processes of the user. Describe what the setting does, and also add links between the relavant sections of the manual. Also, add an extensive example which shows how to launch screen in the background.
2016-04-21man: reformat examples using <example>Zbigniew Jędrzejewski-Szmek
2016-04-21logind: reload config on SIGHUPZbigniew Jędrzejewski-Szmek
v2: - fix setting of kill_user_processes and *_ignore_inhibited settings
2016-04-21core: prefix selinux messages with "selinux: "Zbigniew Jędrzejewski-Szmek
SELinux outputs semi-random messages like "Unknown permission start for class system", and the user has to dig into message metadata to find out where they are comming from. Add a prefix to give a hint.
2016-04-20networkd: respect DHCP UseRoutes option (#3075)Susant Sahani
This fixes #2282.
2016-04-20networkd: bump MTU to 1280 for interfaces which have IPv6 enabled (#3077)Susant Sahani
IPv6 protocol requires a minimum MTU of 1280 bytes on the interface. This fixes #3046. Introduce helper link_ipv6_enabled() to figure out whether IPV6 is enabled. Introduce network_has_static_ipv6_addresses() to find out if any static ipv6 address configured. If IPv6 is not configured on any interface that is SLAAC, DHCPv6 and static IPv6 addresses not configured, then IPv6 will be automatically disabled for that interface, that is we write "1" to /proc/sys/net/ipv6/conf//disable_ipv6.
2016-04-20Merge pull request #3074 from keszybz/tmpfilesLennart Poettering
systemd-tmpfiles improvements, nspawn -E, honouring $TERM in pid1
2016-04-20tmpfiles: add new 'e' action which cleans up a dir without creating itZbigniew Jędrzejewski-Szmek
I wanted to add a config line that would empty a directory without creating it if doesn't exist. Existing actions don't allow this. v2: properly add 'e' to needs_glob() and takes_ownership()
2016-04-20man: try to explain different actions in tmpfiles a bit betterZbigniew Jędrzejewski-Szmek
- do not suggest that vendor configuration files should be in /etc, use /usr/lib/tmpfiles.d instead - split the first example, because the text talked about "needing two directories", but then a smack attribute was also set, and on a different path, which looked like a typo. Replace that with the example from original patch [1] which added 't'. - fix the example for /var/tmp/abrt. The 'x' line was redundant, because /var/tmp/abrt/* is already filtered because "d /var/tmp/abrt" overrides "d /var/tmp". [1] http://permalink.gmane.org/gmane.comp.sysutils.systemd.devel/25051
2016-04-20tmpfiles: shorten some long error messagesZbigniew Jędrzejewski-Szmek
Also don't print %m when the message already contains all the info.
2016-04-20tmpfiles: interpret "-" as stdinZbigniew Jędrzejewski-Szmek
2016-04-20pid1: disable color output when TERM=dumbZbigniew Jędrzejewski-Szmek
This changes the behaviour of pid1 in the following ways: - obviously $TERM is now checked, - $SYSTEMD_COLORS is now honoured too, before only SYSTEMD_LOG_COLORS was checked, - isatty() is run on stdout not stderr. As requested in #3025.
2016-04-20machinectl: add -E as alias for --setenvZbigniew Jędrzejewski-Szmek
2016-04-20run: add -E as alias for --setenvZbigniew Jędrzejewski-Szmek
2016-04-20nspawn: add -E as alias for --setenvZbigniew Jędrzejewski-Szmek
v2: - "=" is required, so remove the <optional> tags that v1 added
2016-04-20basic/terminal-util: cache value for colors_enabledZbigniew Jędrzejewski-Szmek
After all it's something that we query over and over. For example, systemctl calls colors_enabled() four times for each failing service. The compiler is unable to optimize those calls away because they (potentially) accesses external and global state through on_tty() and getenv().
2016-04-20logind: use type to determine graphical sessions (#3071)Michał Bartoszkiewicz