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* Drop compat "gateway" nameZbigniew Jędrzejewski-Szmek2020-12-101-2/+0
| | | | | | | Back in 5248e7e1f11aba6859de0b28f0dd3778b22842f2 (July 2017) we moved over to "_gateway", with the old name declared to be temporary measure. Since we're doing a bunch of changes to resolved now, it seems to be a good moment to make this simplification and not add support for the compat name in new code.
* Make support for nscd flushing optionalZbigniew Jędrzejewski-Szmek2020-12-071-0/+2
| | | | | | | | | Fedora will deprecate support for nscd in the upcoming release [1] and plans to drop it in the next one [2]. At that point we might as well build systemd without that support too, since there'll be nothing to talk too. [1] https://fedoraproject.org/wiki/Changes/DeprecateNSCD [2] https://fedoraproject.org/wiki/Changes/RemoveNSCD
* Merge pull request #17079 from keszybz/late-exec-resolutionLennart Poettering2020-12-031-1/+3
|\ | | | | Resolve executable paths before execution, use fexecve()
| * meson: add option for fexecve useZbigniew Jędrzejewski-Szmek2020-11-061-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are downsides to using fexecve: when fexecve is used (for normal executables), /proc/pid/status shows Name: 3, which means that ps -C foobar doesn't work. pidof works, because it checks /proc/self/cmdline. /proc/self/exe also shows the correct link, but requires privileges to read. /proc/self/comm also shows "3". I think this can be considered a kernel deficiency: when O_CLOEXEC is used, this "3" is completely meaningless. It could be any number. The kernel should use argv[0] instead, which at least has *some* meaning. I think the approach with fexecve/execveat is instersting, so let's provide it as opt-in.
* | meson: add option to skip installing to $sysconfdirJörg Thalheim2020-11-121-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is useful for development where overwriting files out side the configured prefix will affect the host as well as stateless systems such as NixOS that don't let packages install to /etc but handle configuration on their own. Alternative to https://github.com/systemd/systemd/pull/17501 tested with: $ mkdir inst build && cd build $ meson \ -Dcreate-log-dirs=false \ -Dsysvrcnd-path=$(realpath ../inst)/etc/rc.d \ -Dsysvinit-path=$(realpath ../inst)/etc/init.d \ -Drootprefix=$(realpath ../inst) \ -Dinstall-sysconfdir=false \ --prefix=$(realpath ../inst) .. $ ninja install
* | license: LGPL-2.1+ -> LGPL-2.1-or-laterYu Watanabe2020-11-091-1/+1
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* | meson: convert developer_mode boolean to an enumZbigniew Jędrzejewski-Szmek2020-10-221-1/+1
| | | | | | | | | | I initially changed this to add a third state. But even with two values having an explicit name instead of just 0/1 is mode descriptive.
* | meson: enable oomd by default in developer modeZbigniew Jędrzejewski-Szmek2020-10-151-1/+1
| | | | | | | | | | | | We want to compile the new code in CI without having to explicitly specify -Doomd=true everywhere. Let's enable it by default, and rely on distros setting -Dmode=release to not have it enabled by default.
* | meson: disable systemd-oomd by defaultAnita Zhang2020-10-151-1/+1
| | | | | | | | systemd-oomd can be enabled when in developer mode (-Dmode=developer)
* | systemd-oomd: unit testable helper functionsAnita Zhang2020-10-081-0/+2
|/ | | | | | | | Helpers used by the systemd-oomd daemon to read/fill in various contexts and make detection and kill decisions. i.e. a simplified/less configurable version of https://github.com/facebookincubator/oomd/tree/master/src/oomd.
* Also parse the minimum uid/gid valuesZbigniew Jędrzejewski-Szmek2020-10-011-0/+4
| | | | | | | We don't (and shouldn't I think) look at them when determining the type of the user, but they should be used during user/group allocation. (For example, an admin may specify SYS_UID_MIN==200 to allow statically numbered users that are shared with other systems in the range 1–199.)
* Look at /etc/login.defs for the system_max_[ug]id valuesZbigniew Jędrzejewski-Szmek2020-10-011-3/+5
| | | | | | | | | | | | | | | It makes little sense to make the boundary between systemd and user guids configurable. Nevertheless, a completely fixed compile-time define is not enough in two scenarios: - the systemd_uid_max boundary has moved over time. The default used to be 500 for a long time. Systems which are upgraded over time might have users in the wrong range, but changing existing systems is complicated and expensive (offline disks, backups, remote systems, read-only media, etc.) - systems are used in a heterogenous enviornment, where some vendors pick one value and others another. So let's make this boundary overridable using /etc/login.defs. Fixes #3855, #10184.
* meson: make "developer" mode the defaultZbigniew Jędrzejewski-Szmek2020-09-171-1/+1
| | | | | | | This means that the dbus doc consistency checks will be enabled by default, including in the CI. I think that will work better than current state where people do not enable them and them follow-up patches for the docs like the parent commit must be had.
* meson: add "develop mode" config switchZbigniew Jędrzejewski-Szmek2020-08-271-0/+3
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* build-sys: add libfido2 as optional dependencyLennart Poettering2020-07-011-0/+2
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* meson: add a new -Dstandalone-binaries=true optionFilipe Brandenburger2020-06-101-0/+2
| | | | | | | | | | | | | | | | | | | | | | | This adds an option to build standalone binaries that do not depend on the systemd-shared library. This option can be handy to build binaries that can be useful on a non-systemd system, binaries such as systemd-sysusers and systemd-tmpfiles have been previously requested, but installing them with all the required dependencies pulls in too much code that isn't really relevant for those use cases. The standalone use case is also relevant in containers, where minimizing the size of the container image is quite relevant. For now, only `systemd-sysusers` is also built as a standalone binary. The standalone binaries are installed as `/usr/bin/%{name}.standalone`, the packaging system is reponsible for renaming those into the correct names during the packaging step. RPM is able to do so with RemovePathPostfixes: The default behavior is to build shared binaries only, since this option is mainly intended for building distribution packages. Tested that a proper separate binary is built when using this option and that having it disabled (or using the default Meson configuration) does not produce a binary for this option.
* change fs/file-max to LONG_MAX instead of ULONG_MAXEinsler Lee2020-06-041-1/+1
| | | Since this has been changed in: https://github.com/systemd/systemd/commit/6e2f78948403a4cce45b9e34311c9577c624f066, the change should be synchronized.
* xdg-autostart-generator: Add a generator for XDG autostart filesBenjamin Berg2020-05-271-0/+2
| | | | | | | | | | | | | | This generator can be used by desktop environments to launch autostart applications and services. The feature is an opt-in, triggered by xdg-desktop-autostart.target being activated. Also included is the new binary xdg-autostart-condition. This binary is used as an ExecCondition to test the OnlyShowIn and NotShowIn XDG desktop file keys. These need to be evaluated against the XDG_CURRENT_DESKTOP environment variable which may not be known at generation time. Co-authored-by: Henri Chain <henri.chain@enioka.com>
* meson: add fuzz-tests= optionFrantisek Sumsal2020-05-211-0/+2
| | | | | | | | | The slow-tests= option already enables fuzzers as well, however, this option can't be used in the "fully sanitized" runs, as certain slow tests are affected by the performance quite significantly. This option allows us to enable only fuzzers without the slow tests to meet the needs of such runs.
* allow removal of initrd servicesNorbert Lange2020-05-191-0/+2
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* coredump: add zstandard support for coredumpsNorbert Lange2020-05-041-0/+2
| | | | | this will hook libzstd into coredump, using this format as default.
* tree-wide: use "hostname" spelling everywhereZbigniew Jędrzejewski-Szmek2020-04-211-1/+1
| | | | | | | | It's not that I think that "hostname" is vastly superior to "host name". Quite the opposite — the difference is small, and in some context the two-word version does fit better. But in the tree, there are ~200 occurrences of the first, and >1600 of the other, and consistent spelling is more important than any particular spelling choice.
* Include new configure options in features listJakov Smolic2020-04-161-2/+2
| | | | | Signed-off-by: Jakov Smolic <jakov.smolic@sartura.hr> Signed-off-by: Luka Perkov <luka.perkov@sartura.hr>
* Add new meson configure option for controlling systemd-analyze supportJakov Smolic2020-04-151-0/+2
| | | | | | | | Enables building systemd without systemd-analyze, which in return saves approx. 4 MB of space upon installing systemd. Signed-off-by: Jakov Smolic <jakov.smolic@sartura.hr> Signed-off-by: Luka Perkov <luka.perkov@sartura.hr>
* meson,resolved: make default LLMNR= and MulticastDNS= values configurableZbigniew Jędrzejewski-Szmek2020-04-151-0/+8
| | | | For https://fedoraproject.org/wiki/Changes/systemd-resolved.
* Add meson build option to prevent building kernel-installJakov Smolic2020-04-141-0/+2
| | | | | | | This commit introduces new meson build option "kernel-install" to prevent kernel-install from building if the user sets the added option as "false". Signed-off-by: Jakov Smolic <jakov.smolic@sartura.hr> Signed-off-by: Luka Perkov <luka.perkov@sartura.hr>
* ci: turn off FuzzBuzzEvgeny Vereshchagin2020-03-301-6/+0
| | | | I don't think anyone uses it.
* timesync, meson: allow statically linked buildRobert Scheck2020-03-041-0/+2
| | | | | | | | | | Build option "link-timesyncd-shared" to build a statically linked systemd-timesyncd by using -Dlink-udev-shared=false -Dlink-timesyncd-shared=false on systems with full systemd stack except systemd-timesyncd, such as RHEL/CentOS 8.
* meson: update efi path detection to gnu-efi-3.0.11Zbigniew Jędrzejewski-Szmek2020-02-041-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | Fixes systemd build in Fedora rawhide. The old ldsdir option is not useful, because both the directory and the file name changed. Let's remove the option and try to autodetect the file name. If this turns out to be not enough, a new option to simply specify the full path to the file can be added. F31: efi arch: x86_64 EFI machine type: x64 EFI CC ccache cc EFI lds: /usr/lib64/gnuefi/elf_x64_efi.lds EFI crt0: /usr/lib64/gnuefi/crt0-efi-x64.o EFI include directory: /usr/include/efi F32: efi arch: x86_64 EFI machine type: x64 EFI CC ccache cc EFI lds: /usr/lib/gnuefi/x64/efi.lds EFI crt0: /usr/lib/gnuefi/x64/crt0.o EFI include directory: /usr/include/efi
* meson: fix type of homed optionZbigniew Jędrzejewski-Szmek2020-01-301-1/+1
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* home: add new systemd-homed service that can manage LUKS homesLennart Poettering2020-01-281-0/+4
| | | | Fixes more or less: https://bugs.freedesktop.org/show_bug.cgi?id=67474
* repart: add new systemd-repart toolLennart Poettering2020-01-201-0/+4
| | | | Fixes: #14052
* userdbd: add new service that can merge userdb queries from multiple clientsLennart Poettering2020-01-151-0/+2
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* network, meson: allow statically linked buildRobert Scheck2020-01-081-0/+2
| | | | | | | | | | Build option "link-networkd-shared" to build a statically linked systemd-networkd by using -Dlink-udev-shared=false -Dlink-networkd-shared=false on systems with full systemd stack except systemd-networkd, such as RHEL/CentOS 8.
* shared: add pkcs11-util.[ch]Lennart Poettering2019-12-091-0/+2
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* meson: make user $PATH configurableZbigniew Jędrzejewski-Szmek2019-11-131-0/+2
| | | | | | | | | | | | | | | | | This partially reverts db11487d1062655f17db54c4d710653f16c87313 (the logic to calculate the correct value is removed, we always use the same setting as for the system manager). Distributions have an easy mechanism to override this if they wish. I think making this configurable is better, because different distros clearly want different defaults here, and making this configurable is nice and clean. If we don't make it configurable, distros which either have to carry patches, or what would be worse, rely on some other configuration mechanism, like /etc/profile. Those other solutions do not apply everywhere (they usually require the shell to be used at some point), so it is better if we provide a nice way to override the default. Fixes #13469.
* meson: allow WatchdogSec= in services to be configuredZbigniew Jędrzejewski-Szmek2019-10-251-0/+2
| | | | | | | | | | | | | | | | As discussed on systemd-devel [1], in Fedora we get lots of abrt reports about the watchdog firing [2], but 100% of them seem to be caused by resource starvation in the machine, and never actual deadlocks in the services being monitored. Killing the services not only does not improve anything, but it makes the resource starvation worse, because the service needs cycles to restart, and coredump processing is also fairly expensive. This adds a configuration option to allow the value to be changed. If the setting is not set, there is no change. My plan is to set it to some ridiculusly high value, maybe 1h, to catch cases where a service is actually hanging. [1] https://lists.freedesktop.org/archives/systemd-devel/2019-October/043618.html [2] https://bugzilla.redhat.com/show_bug.cgi?id=1300212
* meson: fix incomplete option descriptionsJan Chren2019-08-291-2/+2
| | | Signed-off-by: Jan Chren (rindeal) <dev.rindeal@gmail.com>
* pstore: Tool to archive contents of pstoreEric DeVolder2019-07-191-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch introduces the systemd pstore service which will archive the contents of the Linux persistent storage filesystem, pstore, to other storage, thus preserving the existing information contained in the pstore, and clearing pstore storage for future error events. Linux provides a persistent storage file system, pstore[1], that can store error records when the kernel dies (or reboots or powers-off). These records in turn can be referenced to debug kernel problems (currently the kernel stuffs the tail of the dmesg, which also contains a stack backtrace, into pstore). The pstore file system supports a variety of backends that map onto persistent storage, such as the ACPI ERST[2, Section 18.5 Error Serialization] and UEFI variables[3 Appendix N Common Platform Error Record]. The pstore backends typically offer a relatively small amount of persistent storage, e.g. 64KiB, which can quickly fill up and thus prevent subsequent kernel crashes from recording errors. Thus there is a need to monitor and extract the pstore contents so that future kernel problems can also record information in the pstore. The pstore service is independent of the kdump service. In cloud environments specifically, host and guest filesystems are on remote filesystems (eg. iSCSI or NFS), thus kdump relies [implicitly and/or explicitly] upon proper operation of networking software *and* hardware *and* infrastructure. Thus it may not be possible to capture a kernel coredump to a file since writes over the network may not be possible. The pstore backend, on the other hand, is completely local and provides a path to store error records which will survive a reboot and aid in post-mortem debugging. Usage Notes: This tool moves files from /sys/fs/pstore into /var/lib/systemd/pstore. To enable kernel recording of error records into pstore, one must either pass crash_kexec_post_notifiers[4] to the kernel command line or enable via 'echo Y > /sys/module/kernel/parameters/crash_kexec_post_notifiers'. This option invokes the recording of errors into pstore *before* an attempt to kexec/kdump on a kernel crash. Optionally, to record reboots and shutdowns in the pstore, one can either pass the printk.always_kmsg_dump[4] to the kernel command line or enable via 'echo Y > /sys/module/printk/parameters/always_kmsg_dump'. This option enables code on the shutdown path to record information via pstore. This pstore service is a oneshot service. When run, the service invokes systemd-pstore which is a tool that performs the following: - reads the pstore.conf configuration file - collects the lists of files in the pstore (eg. /sys/fs/pstore) - for certain file types (eg. dmesg) a handler is invoked - for all other files, the file is moved from pstore - In the case of dmesg handler, final processing occurs as such: - files processed in reverse lexigraphical order to faciliate reconstruction of original dmesg - the filename is examined to determine which dmesg it is a part - the file is appended to the reconstructed dmesg For example, the following pstore contents: root@vm356:~# ls -al /sys/fs/pstore total 0 drwxr-x--- 2 root root 0 May 9 09:50 . drwxr-xr-x 7 root root 0 May 9 09:50 .. -r--r--r-- 1 root root 1610 May 9 09:49 dmesg-efi-155741337601001 -r--r--r-- 1 root root 1778 May 9 09:49 dmesg-efi-155741337602001 -r--r--r-- 1 root root 1726 May 9 09:49 dmesg-efi-155741337603001 -r--r--r-- 1 root root 1746 May 9 09:49 dmesg-efi-155741337604001 -r--r--r-- 1 root root 1686 May 9 09:49 dmesg-efi-155741337605001 -r--r--r-- 1 root root 1690 May 9 09:49 dmesg-efi-155741337606001 -r--r--r-- 1 root root 1775 May 9 09:49 dmesg-efi-155741337607001 -r--r--r-- 1 root root 1811 May 9 09:49 dmesg-efi-155741337608001 -r--r--r-- 1 root root 1817 May 9 09:49 dmesg-efi-155741337609001 -r--r--r-- 1 root root 1795 May 9 09:49 dmesg-efi-155741337710001 -r--r--r-- 1 root root 1770 May 9 09:49 dmesg-efi-155741337711001 -r--r--r-- 1 root root 1796 May 9 09:49 dmesg-efi-155741337712001 -r--r--r-- 1 root root 1787 May 9 09:49 dmesg-efi-155741337713001 -r--r--r-- 1 root root 1808 May 9 09:49 dmesg-efi-155741337714001 -r--r--r-- 1 root root 1754 May 9 09:49 dmesg-efi-155741337715001 results in the following: root@vm356:~# ls -al /var/lib/systemd/pstore/155741337/ total 92 drwxr-xr-x 2 root root 4096 May 9 09:50 . drwxr-xr-x 4 root root 40 May 9 09:50 .. -rw-r--r-- 1 root root 1610 May 9 09:50 dmesg-efi-155741337601001 -rw-r--r-- 1 root root 1778 May 9 09:50 dmesg-efi-155741337602001 -rw-r--r-- 1 root root 1726 May 9 09:50 dmesg-efi-155741337603001 -rw-r--r-- 1 root root 1746 May 9 09:50 dmesg-efi-155741337604001 -rw-r--r-- 1 root root 1686 May 9 09:50 dmesg-efi-155741337605001 -rw-r--r-- 1 root root 1690 May 9 09:50 dmesg-efi-155741337606001 -rw-r--r-- 1 root root 1775 May 9 09:50 dmesg-efi-155741337607001 -rw-r--r-- 1 root root 1811 May 9 09:50 dmesg-efi-155741337608001 -rw-r--r-- 1 root root 1817 May 9 09:50 dmesg-efi-155741337609001 -rw-r--r-- 1 root root 1795 May 9 09:50 dmesg-efi-155741337710001 -rw-r--r-- 1 root root 1770 May 9 09:50 dmesg-efi-155741337711001 -rw-r--r-- 1 root root 1796 May 9 09:50 dmesg-efi-155741337712001 -rw-r--r-- 1 root root 1787 May 9 09:50 dmesg-efi-155741337713001 -rw-r--r-- 1 root root 1808 May 9 09:50 dmesg-efi-155741337714001 -rw-r--r-- 1 root root 1754 May 9 09:50 dmesg-efi-155741337715001 -rw-r--r-- 1 root root 26754 May 9 09:50 dmesg.txt where dmesg.txt is reconstructed from the group of related dmesg-efi-155741337* files. Configuration file: The pstore.conf configuration file has four settings, described below. - Storage : one of "none", "external", or "journal". With "none", this tool leaves the contents of pstore untouched. With "external", the contents of the pstore are moved into the /var/lib/systemd/pstore, as well as logged into the journal. With "journal", the contents of the pstore are recorded only in the systemd journal. The default is "external". - Unlink : is a boolean. When "true", the default, then files in the pstore are removed once processed. When "false", processing of the pstore occurs normally, but the pstore files remain. References: [1] "Persistent storage for a kernel's dying breath", March 23, 2011. https://lwn.net/Articles/434821/ [2] "Advanced Configuration and Power Interface Specification", version 6.2, May 2017. https://www.uefi.org/sites/default/files/resources/ACPI_6_2.pdf [3] "Unified Extensible Firmware Interface Specification", version 2.8, March 2019. https://uefi.org/sites/default/files/resources/UEFI_Spec_2_8_final.pdf [4] "The kernel’s command-line parameters", https://static.lwn.net/kerneldoc/admin-guide/kernel-parameters.html
* meson: make nologin path build time configurableMichael Biebl2019-07-181-0/+1
| | | | | | | | | Some distros install nologin as /usr/sbin/nologin, others as /sbin/nologin. Since we can't really on merged-usr everywhere (where the path wouldn't matter), make the path build time configurable via -Dnologin-path=. Closes #13028
* Add config and kernel commandline option to use short identifiersZbigniew Jędrzejewski-Szmek2019-07-101-0/+3
| | | | | | | No functional change, just docs and configuration and parsing. v2: - change ShortIdentifiers=yes|no to StatusUnitFormat=name|description.
* meson: create /var/log/journal/{,remote/} conditionallyZbigniew Jędrzejewski-Szmek2019-07-041-0/+2
| | | | | | | | | | Not everybody has those dirs in the filesystem (and they don't need to). When creating an installation package using $DESTDIR, it is easy enough to remove or ignore those directories, but if installing into a real root, it is ugly to create and remove them. Let's add an option so people can skip it if they want. Inspired by #12930.
* meson: drop unused debug optionYu Watanabe2019-06-281-1/+1
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* resolved: add strict mode for DNS-over-TLSIwan Timmer2019-06-191-1/+1
| | | | Add strict mode for DNS-over-TLS, which will require TLS support from the server. Closes #10755
* meson: let's make unified cgroupsv2 the defaultLennart Poettering2019-05-241-1/+1
| | | | | | Prompted by @evverx' comments: https://github.com/systemd/systemd/pull/10161#pullrequestreview-158327715
* Drop support for /usr/sbin/halt.localMichael Biebl2019-05-231-2/+0
| | | | | /usr/sbin/halt.local is a Fedora/Red Hat anachronism from pre-systemd times.
* meson: default to -Dman=false to make development quickerZbigniew Jędrzejewski-Szmek2019-05-091-0/+1
| | | | | | | | | This makes the default build much quicker. If people are building systemd for packaging or actual installation, they probably need to set some more options anyway (-Ddns-servers=, -Dntp-servers=), so adding -Dman=true is not a big burden. For CIs configured locally, -Dman=true is added to restore status quo ante.
* tests: hook up fuzz targets to FuzzBuzzEvgeny Vereshchagin2019-05-071-0/+6
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* Merge pull request #11827 from keszybz/pkgconfig-variablesLennart Poettering2019-02-261-1/+1
|\ | | | | Allow overriding pkgconfig prefixes
| * meson: document -Drootprefix a bit betterZbigniew Jędrzejewski-Szmek2018-11-171-1/+1
| | | | | | | | | | All options are for "overriding", and the help string was just repeating the name of the option.
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