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2016-05-23networkd: networkd: ndisc set SO_BINDTODEVICE on socket (#3294)Susant Sahani
From the issue #2004 we are receiving packet even if this packet is not intended for this interface. This can be reproduced. lp3s0: Updating address: 2001:db8:1:0:7e7a:91ff:fe6d:ffe2/64 (valid for 1d) wlp3s0: Updating address: fe80::7e7a:91ff:fe6d:ffe2/64 (valid forever) NDisc CLIENT: Received RA from non-link-local address ::. Ignoring. NDisc CLIENT: Received RA on wrong interface: 2 != 6. Ignoring. NDisc CLIENT: Received RA on wrong interface: 2 != 3. Ignoring. enp0s25: Updating address: 2001:db8:1:0:2ad2:44ff:fe6a:ae07/64 (valid for 1d) enp0s25: Updating address: fe80::2ad2:44ff:fe6a:ae07/64 (valid forever) NDisc CLIENT: Sent Router Solicitation NDisc CLIENT: Sent Router Solicitation NDisc CLIENT: Sent Router Solicitation NDisc CLIENT: Received RA on wrong interface: 3 != 2. Ignoring. NDisc CLIENT: Received RA on wrong interface: 3 != 6. Ignoring. NDisc CLIENT: Received RA from non-link-local address ::. Ignoring. NDisc CLIENT: Received RA on wrong interface: 2 != 6. Ignoring. NDisc CLIENT: Received RA on wrong interface: 2 != 3. Ignoring. enp0s25: Updating address: 2001:db8:1:0:2ad2:44ff:fe6a:ae07/64 (valid for 1d) enp0s25: Updating address: fe80::2ad2:44ff:fe6a:ae07/64 (valid forever) Add SO_BINDTODEVICE to socket fixes #2004
2016-05-23Mention initrd-root-device.target in NEWS (#3325)Dave Reisner
2016-05-23resolved: don't stop handle messages after receiving a zero length UDP ↵Evgeny Vereshchagin
packet (#3323) Fixes: -bash-4.3# ss --udp -l -p State Recv-Q Send-Q Local Address:Port Peer Address:Port UNCONN 0 0 *:5355 *:* users:(("systemd-resolve",pid=601,fd=12)) UNCONN 0 0 :::5355 :::* users:(("systemd-resolve",pid=601,fd=14)) -bash-4.3# nping --udp -p 5355 --data-length 0 -c 1 localhost -bash-4.3# journalctl -u systemd-resolved -b --no-hostname ... May 21 14:59:22 systemd-resolved[601]: Event source llmnr-ipv4-udp (type io) returned error, disabling: Input/output error ... -bash-4.3# nping --udp -p 5355 --data-length 1000 -c 1 localhost -bash-4.3# ss --udp -l State Recv-Q Send-Q Local Address:Port Peer Address:Port UNCONN 2304 0 *:5355 *:* UNCONN 0 0 :::5355 :::*
2016-05-23Merge pull request #3322 from poettering/random-ipv4acd-fixesTom Gundersen
Random ipv4acd fixes
2016-05-22ipv4acd/ipv4ll: stop using read() on SOCK_DGRAM socketsLennart Poettering
This is a follow-up to cf447cb62d01137f4cbd1cd14b83b88823542bbf. Let's generally follow the rule to not use read() on SOCK_DGRAM sockets, let's always use recv() on that. Also, don't abort IPV4ACD logic in case we read a short packet. Simply log and ignore.
2016-05-22sd-ipv4acd: do not define ether_addr_is_nul() redundantlyLennart Poettering
we already have ether_addr_is_null() in ether-addr-util.h, let's use it here, too.
2016-05-22sd-ipv4acd: drop HASH_KEY definition, as it is unusedLennart Poettering
2016-05-22nspawn: remove unreachable return statement (#3320)Zbigniew Jędrzejewski-Szmek
2016-05-21networkd-ndisc: do not return value from void functionsystemd/v230Zbigniew Jędrzejewski-Szmek
Fixup for #3304. Only warn, and not return, because that's what sd_dhcp6_client_start() does right below the call to sd_dhcp6_client_set_local_address().
2016-05-21build-sys: bump so versionZbigniew Jędrzejewski-Szmek
2016-05-21NEWS: final updates for v230Zbigniew Jędrzejewski-Szmek
2016-05-21run: do not try to use reply after freeing it (#3318)Zbigniew Jędrzejewski-Szmek
We'd call sd_bus_message_unref and then proceed to use variables pointing into the reply buffer (fd and char*). dup the fd and copy the string before destorying the reply. This makes systemd-run run again for me. https://bugzilla.redhat.com/show_bug.cgi?id=1337636
2016-05-21units: restore ConditionNeesUpdate=/etc in ldconfig.service (#3311)Lennart Poettering
In order to support stateless systems that support offline /usr updates properly, let's restore the ConditionNeesUpdate=/etc line that makes sure we are run when /usr is updated and this update needs to be propagated to the /etc/ld.so.conf file stored in /etc. This reverts part of #2859, which snuck this change in, but really shouldn't have.
2016-05-22libsystemd-network: use recv(..., 0) instead of read(...) (#3317)Tom Gundersen
According to recv(2) these should be the same, but that is not true. Passing a buffer of length 0 to read is defined to be a noop according to read(2), but passing a buffer of length 0 to recv will discard the pending pacet. We can easily hit this as we allocate our buffer size depending on the size of the incoming packet (using FIONREAD). As pointed out in issue #3299 simply sending an empty UDP packet to the DHCP client port will trigger a busy loop in networkd as we are polling on the socket but never discarding the empty packet. This reverts ad5ae47a0d159ea473c9730d7e0298a3e5d31cf6 but fixes the same issue.
2016-05-21core: set all log fds to -1 when freezing (#3314)Evgeny Vereshchagin
Fixes: -bash-4.3# echo core >/proc/sys/kernel/core_pattern -bash-4.3# kill -ABRT 1 -bash-4.3# kill -ABRT 1 [ 61.373922] systemd[1]: segfault at 7fff1d0a8f48 ip 00007fc9ca91b1c3 sp 00007fff1d0a8f50 error 6 in libc-2.23.so[7fc9ca8ce000+1c0000] [ 61.768017] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000008b [ 61.768017] ... Recursive ABRT and segfault: PID 1 - core TID 1: ... #153905 0x00005575fc3f829d log_dispatch #153906 0x00005575fc3f8aa3 log_assert #153907 0x00005575fc3f8ae9 log_assert_failed #153908 0x00005575fc3e7eb1 safe_close #153909 0x00005575fc3f6d5e log_close_journal #153910 0x00005575fc3f829d log_dispatch #153911 0x00005575fc3f85a1 log_internalv #153912 0x00005575fc3f86a1 log_internal #153913 0x00005575fc31c4c1 crash #153914 0x00007fb26f2cf3d0 __restore_rt #153915 0x00007fb26f2ced00 pause #153916 0x00005575fc403944 freeze #153917 0x00005575fc31bf7b freeze_or_reboot ...
2016-05-20core: put opening curly braces on the same line as function names (#3313)Tejun Heo
Recently added cgroup helper functions break the style convention. Fix them up.
2016-05-20Revert "core/dbus: further simplify branch code" (#3307)Lennart Poettering
2016-05-20Merge pull request #3304 from tomty89/masterTom Gundersen
[networkd] ndisc DHCPv6 triggering fixes
2016-05-20Merge pull request #3276 from ssahani/issue-3264Tom Gundersen
networkd: Drop IPv6LL address when link is down.
2016-05-20Merge pull request #3290 from htejun/cgroup2-io-compatLennart Poettering
Implement compat translation between IO* and BlockIO* settings
2016-05-20Merge pull request #3235 from dkg/hwaddr-cleanupTom Gundersen
minor improvements for dealing with MAC Addresses
2016-05-20core/dbus: revert oversimplification (#3309)Jonathan Boulle
free_and_strdup handles NULL but not empty strings. See also: https://github.com/systemd/systemd/pull/3283#issuecomment-220603145 https://github.com/systemd/systemd/pull/3307
2016-05-20Make the fix for net/if.h fuckup even worse (#3287)Zbigniew Jędrzejewski-Szmek
The original conflict is fixed in the kernel in v4.6-rc7-40-g4a91cb61bb, but now our work-around causes a compilation failure. Keep the workaround to support 4.5 kernels for now, and layer more ugliness on top. Tested with: kernel-headers-4.6.0-1.fc25.x86_64 glibc-devel-2.23.90-18.fc25.x86_64 kernel-headers-4.5.4-300.fc24.x86_64 glibc-devel-2.23.1-7.fc24.x86_64 kernel-headers-4.4.9-300.fc23.x86_64 glibc-devel-2.22-16.fc23.x86_64 kernel-headers-4.1.13-100.fc21.x86_64 glibc-devel-2.20-8.fc21.x86_64
2016-05-20resolved: fix accounting of dns serves on a link (#3291)Zbigniew Jędrzejewski-Szmek
After a few link up/down events I got this warning: May 17 22:05:10 laptop systemd-resolved[2983]: Failed to read DNS servers for interface wlp3s0, ignoring: Argument list too long
2016-05-20core/dbus: expose SELinuxContext property (#3284)Jonathan Boulle
Adds support to core for systemd D-Bus clients to send the `SELinuxContext` property . This means `systemd-run -p SELinuxContext=foo` should now work.
2016-05-20basic: remove rm_rf_and_free, add rm_rf_physical_and_free, use ↵Evgeny Vereshchagin
rm_rf_physical_and_freep in tests (#3292) Some distros don't mount /tmp as tmpfs. For example: https://lists.ubuntu.com/archives/ubuntu-cloud/2016-January/001009.html Some tests: * print 'Attempted to remove disk file system, and we can't allow that.' * don't really cleanup /tmp
2016-05-20NEWS: typo fix and american english (#3301)Thomas H. P. Andersen
2016-05-20sd-dhcp-client: fix busy loop reading zero sized DHCP UDP packets. (#3299)sadag
2016-05-20[networkd-dhcp6] do not call sd_dhcp6_client_start() from ↵tomty89
dhcp6_request_address() Starting the DHCP client doesn't seem like dhcp6_request_address()'s responsibility anyway. Whenever it's called, sd_dhcp6_client_start() is unconditionally called outside of it as well. See ndisc_router_handler() and ndisc_handler() in networkd-ndisc.c.
2016-05-20[networkd-ndisc] set IPv6LL address in DHCP clienttomty89
Fix issue #3256 and probably #1982. Referenced link_acquire_ipv6_conf() in networkd-link.c.
2016-05-19systemctl: suppress no-[Install] hint when --quiet is used (#3295)Zbigniew Jędrzejewski-Szmek
https://bugzilla.redhat.com/show_bug.cgi?id=1336960
2016-05-19systemctl: reload configuration when enabling sysv units too (#3297)Franck Bui
After enabling/disabling a unit, the daemon configuration is expected to be unless '--no-reload' option is passed. However this is not done when enabling a sysv units. This can lead to the following scenario: $ cp /etc/init.d/named /etc/init.d/foo $ systemctl enable foo foo.service is not a native service, redirecting to systemd-sysv-install Executing /usr/lib/systemd/systemd-sysv-install enable foo $ systemctl start foo Failed to start foo.service: Unit foo.service failed to load: No such file or directory. This can also be seen after installing a package providing a sysv service: the service can't be started unless 'daemon-reload' is called manually. This shouldn't be needed and this patch will fix this case too since during package installation, the service is expected to be enabled/disabled.
2016-05-19systemctl: restore the no-sync option for legacy halt (#3249)tblume
The sync() call on shutdown had been removed with commit 57371e5829a61e5ee6c9f98404dfc729d6c62608 together with the no-sync option for the shutdown commands. The sync call was restored in commit 4a3ad39957399c4a30fc472a804e72907ecaa4f9 but the no-sync option wasn't re-added. I think we should restore this option at least for the legacy halt command.
2016-05-19Merge pull request #3293 from michaelolbrich/partuuidZbigniew Jędrzejewski-Szmek
rules: add /dev/disk/by-partuuid symlinks also for dos partition tables
2016-05-19rules: add /dev/disk/by-partuuid symlinks also for dos partition tablesUwe Kleine-König
blkid reports PARTUUID values also for partitions that are defined by a dos partitioning scheme. Instead of limiting the partitioning scheme to "gpt or dos" just drop the test for the partitioning scheme and trust blkid to do the right thing.
2016-05-19NEWS: mention SessionsMax, InhibitorsMax, MulticastSnooping...Zbigniew Jędrzejewski-Szmek
... logind SIGHUP support, sd_journal_open_{directory,files}_fd, specifiers in DeviceAllow, "generated" and "trasnient" unit types. Move removed features to the end and cluster features by type.
2016-05-18core/dbus: further simplify branch code (#3283)Jonathan Boulle
free_and_strdup already handles the NULL case for us, so we can remove an extraneous conditional check. As noted in https://github.com/systemd/systemd/pull/3279/files#r63687717
2016-05-18core: translate between IO and BlockIO settings to ease transitionTejun Heo
Due to the substantial interface changes in cgroup unified hierarchy, new IO settings are introduced. Currently, IO settings apply only to unified hierarchy and BlockIO to legacy. While the transition is necessary, it's painful for users to have to provide configs for both. This patch implements translation from one config set to another for configs which make sense. * The translation takes place during application of the configs. Users won't see IO or BlockIO settings appearing without being explicitly created. * The translation takes place only if there is no config for the matching cgroup hierarchy type at all. While this doesn't provide comprehensive compatibility, it should considerably ease transition to the new IO settings which are a superset of BlockIO settings. v2: - Update test-cgroup-mask.c so that it accounts for the fact that CGROUP_MASK_IO and CGROUP_MASK_BLKIO move together. Also, test/parent.slice now sets IOWeight instead of BlockIOWeight.
2016-05-18core: factor out io and blkio helper functions from cgroup_context_apply()Tejun Heo
Factor out the following functions out of cgroup_context_apply() * cgroup_context_[blk]io_weight() * cgroup_apply_[blk]io_device_weight() * cgroup_apply_[blk]io_device_limit() This is pure refactoring and shouldn't cause any functional differences.
2016-05-18core: update CGroupBlockIODeviceBandwidth to record both rbps and wbpsTejun Heo
CGroupBlockIODeviceBandwith is used to keep track of IO bandwidth limits for legacy cgroup hierarchies. Unlike the unified hierarchy counterpart CGroupIODeviceLimit, a CGroupBlockIODeviceBandwiddth records either a read or write limit and has a couple issues. * There's no way to clear specific config entry. * When configs are cleared for an IO direction of a unit, the kernel settings aren't cleared accordingly creating discrepancies. This patch updates CGroupBlockIODeviceBandwidth so that it behaves similarly to CGroupIODeviceLimit - each entry records both rbps and wbps limits and is cleared if both are at default values after kernel settings are updated.
2016-05-18core: add support for IOReadIOPSMax and IOWriteIOPSMaxTejun Heo
cgroup IO controller supports maximum limits for both bandwidth and IOPS but systemd resource control currently only supports bandwidth limits. This patch adds support for IOReadIOPSMax and IOWriteIOPSMax when unified cgroup hierarchy is in use. It isn't difficult to also add BlockIOReadIOPS and BlockIOWriteIOPS for legacy hierarchies but IO control on legacy hierarchies is half-broken anyway, so let's leave it alone for now.
2016-05-18core: introduce CGroupIOLimitType enumsTejun Heo
Currently, there are two cgroup IO limits, bandwidth max for read and write, and they are hard-coded in various places. This is fine for two limits but IO is expected to grow more limits - low, high and max limits for bandwidth and IOPS - and hard-coding each limit won't make sense. This patch replaces hard-coded limits with an array indexed by CGroupIOLimitType and accompanying string and default value tables so that new limits can be added trivially.
2016-05-18networkd: Drop IPv6LL address when link is downSusant Sahani
Now we are not dropping the IPv6LL address when link is down. So next time when link is up and before kernel acquired this address we are using the old address. When the link is down kernel tells us that this address is no longer valid . Let's remove this address and again when kernel tells us that the address is added let's use it. fixes #3264
2016-05-17hwdb: run "make hwdb-udate" (#3280)Zbigniew Jędrzejewski-Szmek
2016-05-17networkd: do not update state or IPv6LL address if link is failed or lingeringSusant Sahani
This is partial fix for #2228 and #2977, #3204. bridge-test: netdev ready docker0: Gained IPv6LL wlan0: Gained IPv6LL eth0: Gained IPv6LL Enumeration completed bridge-test: netdev exists, using existing without changing its parameters vboxnet0: IPv6 enabled for interface: Success lo: Configured docker0: Could not drop address: No such process vboxnet0: Gained carrier wlan0: Could not drop address: No such process eth0: Could not drop address: No such process eth0: Could not drop address: No such process eth0: Could not drop address: No such process vboxnet0: Gained IPv6LL vboxnet0: Could not set NDisc route or address: Invalid argument vboxnet0: Failed [New Thread 0x7ffff6505700 (LWP 1111)] [Thread 0x7ffff6505700 (LWP 1111) exited] Assertion 'link->state == LINK_STATE_SETTING_ROUTES' failed at src/network/networkd-link.c:672, function link_enter_configured(). Aborting. Program received signal SIGABRT, Aborted. 0x00007ffff6dc6a98 in raise () from /lib64/libc.so.6 Missing separate debuginfos, use: dnf debuginfo-install iptables-1.4.21-15.fc23.x86_64 libattr-2.4.47-14.fc23.x86_64 libidn-1.32-1.fc23.x86_64 pcre-8.38-7.fc23.x86_64 Debugging (gdb) bt "link->state == LINK_STATE_SETTING_ROUTES", file=0x5555556a34c8 "src/network/networkd-link.c", line=672, func=0x5555556a56d0 <__PRETTY_FUNCTION__.14850> "link_enter_configured") at src/basic/log.c:788 src/network/networkd-link.c:672 src/network/networkd-link.c:720 flags=0 '\000', scope=0 '\000', cinfo=0x7fffffffe020) at src/network/networkd-address.c:344 (rtnl=0x5555556eded0, message=0x55555570ff20, userdata=0x5555556ec590) at src/network/networkd-manager.c:604 m=0x55555570ff20) at src/libsystemd/sd-netlink/sd-netlink.c:365 at src/libsystemd/sd-netlink/sd-netlink.c:395 ret=0x0) at src/libsystemd/sd-netlink/sd-netlink.c:429 revents=1, userdata=0x5555556eded0) at src/libsystemd/sd-netlink/sd-netlink.c:723 src/libsystemd/sd-event/sd-event.c:2268 src/libsystemd/sd-event/sd-event.c:2629 timeout=18446744073709551615) at src/libsystemd/sd-event/sd-event.c:2688 bus=0x5555556eeba0, name=0x55555568a2f5 "org.freedesktop.network1", timeout=30000000, check_idle=0x55555556adb6 <manager_check_idle>, userdata=0x5555556ec590) at src/shared/bus-util.c:134 src/network/networkd-manager.c:1130 src/network/networkd.c:127 (gdb) f 3 src/network/networkd-link.c:672 672 assert(link->state == LINK_STATE_SETTING_ROUTES); (gdb) p link->state $1 = LINK_STATE_FAILED We should not be in this state . even if vboxnet0 failed we went into this state. vboxnet0: Could not set NDisc route or address: Invalid argument vboxnet0: Failed
2016-05-17networkd: add route expiration handler (#3242)Susant Sahani
Fix for #3232.
2016-05-17coredump: Improve man pagesPeter Mattern
2016-05-17networkd: Add EmitRouter= option for DHCP Server (#3251)Clemens Gruber
Add an option to disable appending DHCP option 3 (Router) to the DHCP OFFER and ACK packets. This commit adds the boolean option EmitRouter= for the [DHCPServer] section in .network files. Rationale: On embedded devices, it is very useful to have a DHCP server running on an USB OTG ethernet gadget interface to avoid manual setup on the client PCs, but it should only serve IP addresses, no route(r)s. Otherwise, Windows clients experience network connectivity issues, due to them using the address set in DHCP option 3 as default gateway. Signed-off-by: Clemens Gruber <clemens.gruber@pqgruber.com>
2016-05-17core/dbus: use free_and_strdup to simplify code (#3279)Jonathan Boulle
Makes it consistent with the other branches here.
2016-05-17network: rely on ether_addr_from_string instead of sscanfDaniel Kahn Gillmor
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