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2016-06-16networkd: added support for vrf interfaces (#3316)Andreas Rammhold
2016-06-14build: fix missing symbol for old kernel headers (#3530)Andrew Jeddeloh
Fix issue where IN6_ADDR_GEN_MODE_STABLE_PRIVACY is undefined but IFLA_INET6_ADDR_GEN_MODE is defined and thus the former does not get fixed in missing.h. This occurs with kernel headers new enough to have the IFLA_INET6_ADDR_GEN_MODE but old enough to not yet have IN6_ADDR_GEN_MODE_STABLE_PRIVACY (e.g. 3.18).
2016-06-10networkd: add support to configure VLAN on bridge portsTobias Jungel
2016-05-28Merge pull request #3326 from tomty89/update-2Zbigniew Jędrzejewski-Szmek
networkd: IPv6 fixes
2016-05-26nspawn: a bench of special fileystems that should not be shiftedDjalal Harouni
Add some special filesystems that should not be shifted, most of them relate to the host and not to containers.
2016-05-25networkd: set IFLA_INET6_ADDR_GEN_MODE as per stable_secretTom Yan
Although networkd has option (LinkLocalAddressing=) to toggle IPv6LL autoconfiguration, when it is enabled, the address is autoconfigured by the kernel, but not networkd. Therefore, we do not statically set IFLA_INET6_ADDR_GEN_MODE to IN6_ADDR_GEN_MODE_EUI64, but dynamically depending on whether stable_secret is set, just as what the kernel does by default. Note that this does NOT affect the global addresses configured by networkd.
2016-05-16missing.h: add BTRFS_IOC_QUOTA_RESCAN_WAIT (#3266)Stefan Saraev
2016-04-29build-sys: improve compat with older kernel headersLennart Poettering
In 4.2 kernel headers, some netlink defines are missing that we need. missing.h already can add them in, but currently makes this dependent on a definition that these kernels already have. Change the check hence to check for the newest definition in the table, so that the whole bunch of definitions as added in on all kernels lacking this.
2016-04-25nspawn: don't try to patch UIDs/GIDs of procfs and suchlikeLennart Poettering
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.
2016-04-18networkd: allow setting of multicast querier for linux bridge (#3051)Susant Sahani
2016-03-26cgroup2: use new fstype for unified hierarchyAlban Crequy
Since Linux v4.4-rc1, __DEVEL__sane_behavior does not exist anymore and is replaced by a new fstype "cgroup2". With this patch, systemd no longer supports the old (unstable) way of doing unified hierarchy with __DEVEL__sane_behavior and systemd now requires Linux v4.4 for unified hierarchy. Non-unified hierarchy is still the default and is unchanged by this patch. https://github.com/torvalds/linux/commit/67e9c74b8a873408c27ac9a8e4c1d1c8d72c93ff
2016-03-17basic/missing: move syscall definitions to basic/missing_syscall.hZbigniew Jędrzejewski-Szmek
We have a bunch of syscall wrapper definitions and it's easier to see that they follow the same pattern if they are not interspersed with other defines. Change the wrappers to be uniform: - if __NR_XXX is not defined, do not bother to call the syscall, and return -1/ENOSYS immediately. - do not check __NR_XXX defines if we detect the symbol as defined, since we don't need them anyway - reindent stuff for readability New file basic/missing_syscall.h is included at the end of missing.h because it might make use of some of the definitions in missing.h.
2016-03-17basic/missing: add copy_file_rangeZbigniew Jędrzejewski-Szmek
syscall numbers based on: https://fedora.juszkiewicz.com.pl/syscalls.html
2016-02-22Merge pull request #2685 from poettering/lldp-fixes2Tom Gundersen
lldp fixes, second iteration
2016-02-22missing.h: Explicitly check for IFLA_BRPORT_PROXYARPDaniel Mack
RHEL explicitly disables IFLA_BRPORT_PROXYARP by renaming the enum value. In order to support unpatched builds, we have two options: a) redefine the enum value through missing.h and ignore the fact that it is really unsupported, or b) omit that enum value on rtnl_prot_info_bridge_port_types[] As we are not actually using this netlink type anywhere, and because it is only hooked up for the sake of completeness, this patch opts for the former.
2016-02-20sd-lldp: move ETHERTYPE_LLDP to missing.hLennart Poettering
After all, most ETHERTYPE variables are defined in the system headers, hence define these where we defined all other fill-ins for system headers.
2016-02-16build-sys: fix type detectionLennart Poettering
Before this patch existence of char16_t, char32_t, key_serial_t was checked with AC_CHECK_DECLS() which doesn't actually work for types. Correct this to use AC_CHECK_TYPES() instead. Also, while we are at it, change the check for memfd_create() to use AC_CHECK_DECLS() instead of AC_CHECK_FUNCS(). This is a better choice, since a couple of syscalls are defined by glibc but not exported in the header files (pivot_root() for example), and we hence should probably be more picky with memfd_create() too, which glibc might decide to expose one day, but not necessarily in the headers too.
2016-02-15missing.h: define IFLA_EXT_MASKRabin Vincent
We already define IFLA_PROMISCUITY and some other of these masks in order to allow building with older headers. Define IFLA_EXT_MASK too, which was added in the same kernel version as IFLA_PROMISCUITY (v3.10).
2016-02-10tree-wide: remove Emacs lines from all filesDaniel Mack
This should be handled fine now by .dir-locals.el, so need to carry that stuff in every file.
2016-01-27utf8.[ch] et al: use char32_t and char16_t instead of int, int32_t, int16_tShawn Landden
rework C11 utf8.[ch] to use char32_t instead of uint32_t when referring to unicode chars, to make things more expressive. [ @zonque: * rebased to current master * use AC_CHECK_DECLS to detect availibility of char{16,32}_t * make utf8_encoded_to_unichar() return int ]
2016-01-25resolved: when checking whether a link is relevant, check kernel operstateLennart Poettering
This mimics what networkd is doing to detect a carrier.
2016-01-16Fix IPv6PrivacyExtension (networkd-ndisc.c)Dominik Hannen
This small addition fixes the issues #1982 and #2242. IPv6PrivacyExtension now works as expected even when a RA is received.
2016-01-12capabilities: added support for ambient capabilities.Ismo Puustinen
This patch adds support for ambient capabilities in service files. The idea with ambient capabilities is that the execed processes can run with non-root user and get some inherited capabilities, without having any need to add the capabilities to the executable file. You need at least Linux 4.3 to use ambient capabilities. SecureBit keep-caps is automatically added when you use ambient capabilities and wish to change the user. An example system service file might look like this: [Unit] Description=Service for testing caps [Service] ExecStart=/usr/bin/sleep 10000 User=nobody AmbientCapabilities=CAP_NET_ADMIN CAP_NET_RAW After starting the service it has these capabilities: CapInh: 0000000000003000 CapPrm: 0000000000003000 CapEff: 0000000000003000 CapBnd: 0000003fffffffff CapAmb: 0000000000003000
2015-12-31core: socket options fix SCTP_NODELAYSusant Sahani
SCTP_NODELAY is diffrent to TCP_NODELAY. Apply proper options in case of SCTP.
2015-11-11sd-netlink: add support for RTA_PREFTom Gundersen
2015-11-11sd-netlink: types - let tables be sized implicitlyTom Gundersen
This way we do not rely on the size MAX* constants from the kernel headers, as these will be out-of-sync in case we have old headers and new defines in missing.h.
2015-10-22btrfs: beef-up btrfs support with a limited understanding of quotaLennart Poettering
With this change we understand more than just leaf quota groups for btrfs file systems. Specifically: - When we create a subvolume we can now optionally add the new subvolume to all qgroups its parent subvolume was member of too. Alternatively it is also possible to insert an intermediary quota group between the parent's qgroups and the subvolume's leaf qgroup, which is useful for a concept of "subtree" qgroups, that contain a subvolume and all its children. - The remove logic for subvolumes has been updated to optionally remove any leaf qgroups or "subtree" qgroups, following the logic above. - The snapshot logic for subvolumes has been updated to replicate the original qgroup setup of the source, if it follows the "subtree" design described above. It will not cover qgroup setups that introduce arbitrary qgroups, especially those orthogonal to the subvolume hierarchy. This also tries to be more graceful when setting up /var/lib/machines as btrfs. For example, if mkfs.btrfs is missing we don't even try to set it up as loopback device. Fixes #1559 Fixes #1129
2015-10-18Merge pull request #1595 from poettering/proxy-fixesDavid Herrmann
bus proxy fixes, and more
2015-10-15sd-netlink: refcount multicast groupsTom Gundersen
Track the number of matches installed for a given multicast group, and leave the group once no matches depend on it. In order to handle passed-in sockets that are already members of multicast groups we initialize the refcount based on the membership once we take over the socket. This way we will leave the socket in the state we found it once we finish with it. On kernels that do not fully support reading out the multicast group membership we fall back to never leaving any groups (as before).
2015-10-15btrfs: always remove the per-subvol qgroup when removing a subvolLennart Poettering
btrfs doesn't do that automatically, hence let's do that explicitly each time.
2015-10-07ask-password: add support for caching passwords in the kernel keyringLennart Poettering
This adds support for caching harddisk passwords in the kernel keyring if it is available, thus supporting caching without Plymouth being around. This is also useful for hooking up "gdm-auto-login" with the collected boot-time harddisk password, in order to support gnome keyring passphrase unlocking via the HDD password, if it is the same. Any passwords added to the kernel keyring this way have a timeout of 2.5min at which time they are purged from the kernel.
2015-10-05missing.h : add bridge paramsSusant Sahani
2015-09-23Merge pull request #1365 from floppym/kcmpLennart Poettering
Add fallback for kcmp() in case __NR_kcmp is undefined
2015-09-23Add fallback for kcmp() in case __NR_kcmp is undefinedMike Gilbert
IA64 is missing this syscall as of linux-4.2. This works around it until the necessary kernel patch gets merged.
2015-09-23mising: add __NR_memfd_create syscall number for s390Hendrik Brueckner
2015-09-01core: unified cgroup hierarchy supportLennart Poettering
This patch set adds full support the new unified cgroup hierarchy logic of modern kernels. A new kernel command line option "systemd.unified_cgroup_hierarchy=1" is added. If specified the unified hierarchy is mounted to /sys/fs/cgroup instead of a tmpfs. No further hierarchies are mounted. The kernel command line option defaults to off. We can turn it on by default as soon as the kernel's APIs regarding this are stabilized (but even then downstream distros might want to turn this off, as this will break any tools that access cgroupfs directly). It is possibly to choose for each boot individually whether the unified or the legacy hierarchy is used. nspawn will by default provide the legacy hierarchy to containers if the host is using it, and the unified otherwise. However it is possible to run containers with the unified hierarchy on a legacy host and vice versa, by setting the $UNIFIED_CGROUP_HIERARCHY environment variable for nspawn to 1 or 0, respectively. The unified hierarchy provides reliable cgroup empty notifications for the first time, via inotify. To make use of this we maintain one manager-wide inotify fd, and each cgroup to it. This patch also removes cg_delete() which is unused now. On kernel 4.2 only the "memory" controller is compatible with the unified hierarchy, hence that's the only controller systemd exposes when booted in unified heirarchy mode. This introduces a new enum for enumerating supported controllers, plus a related enum for the mask bits mapping to it. The core is changed to make use of this everywhere. This moves PID 1 into a new "init.scope" implicit scope unit in the root slice. This is necessary since on the unified hierarchy cgroups may either contain subgroups or processes but not both. PID 1 hence has to move out of the root cgroup (strictly speaking the root cgroup is the only one where processes and subgroups are still allowed, but in order to support containers nicey, we move PID 1 into the new scope in all cases.) This new unit is also used on legacy hierarchy setups. It's actually pretty useful on all systems, as it can then be used to filter journal messages coming from PID 1, and so on. The root slice ("-.slice") is now implicitly created and started (and does not require a unit file on disk anymore), since that's where "init.scope" is located and the slice needs to be started before the scope can. To check whether we are in unified or legacy hierarchy mode we use statfs() on /sys/fs/cgroup. If the .f_type field reports tmpfs we are in legacy mode, if it reports cgroupfs we are in unified mode. This patch set carefuly makes sure that cgls and cgtop continue to work as desired. When invoking nspawn as a service it will implicitly create two subcgroups in the cgroup it is using, one to move the nspawn process into, the other to move the actual container processes into. This is done because of the requirement that cgroups may either contain processes or other subgroups.
2015-08-04Use getxpid syscall on alpha for raw_getpid()Matt Turner
Alpha does not have a getpid syscall, but rather has getxpid to match OSF/1.
2015-07-23Add bridge NL params to missing.hSusant Sahani
2015-07-22Tunnel NL params: Add to missing.hSusant Sahani
2015-07-20add NL parameters to missing.hSusant Sahani
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/