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e1fac8a68a0d1fe01edf47e149afb3f232bd75b6
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2255 Commits
Author SHA1 Message Date
Zbigniew Jędrzejewski-Szmek e1fac8a68a Move the Commands section above Options section 
For executables which take a verb, we should list the verbs first, and
then options which modify those verbs second. The general layout of
the man page is from general description to specific details, usually
Overview, Commands, Options, Return Value, Examples, References.
 2019-10-08 18:21:26 +02:00
Zbigniew Jędrzejewski-Szmek e723fbd74e networkd: split out repeated code to a helper function 
Follow-up for 156ddf8df7.
 2019-10-03 22:08:34 +02:00
Zbigniew Jędrzejewski-Szmek 5afe558cfd Merge pull request #12818 from yuwata/network-issue-8726 
network: disable kernel creating prefix route when RouteTable= is set
 2019-10-03 15:21:35 +02:00
Zbigniew Jędrzejewski-Szmek 6e2d361d53 Merge pull request #13696 from keszybz/keep-dhcp-on-restart 
Add a way to differentiate restart from stop and keep dhcp config on restart
 2019-10-03 11:25:12 +02:00
Zbigniew Jędrzejewski-Szmek 8bea7e700f sd-dhcp-client: do not crash if sd_dhcp_client_send_release() is called with no lease 
Again, a public function should not crash if called at an inopportune moment.

Also, make sure we don't call the function if we have no lease.
 2019-10-02 14:01:42 +02:00
Zbigniew Jędrzejewski-Szmek 5f3b5f190f networkd: change SendRelease default to true 
Now that we don't drop DHCP config on restart, this seems appropriate.
 2019-10-02 14:01:42 +02:00
Zbigniew Jędrzejewski-Szmek 800603524a networkd: drop DHCPv4 config on stop, keep on restart, by default 
This partially reverts 95355a281c.

It seems that other parts of link_stop_clients() should be skipped
when restarting, but I don't know enough about those other clients to have
an opinion if it is better to stop&start them on restart or not.
Anyway, that can be done in later patches now that the support for restarts
is there.

Fixes #13625.
 2019-10-02 14:01:42 +02:00
Zbigniew Jędrzejewski-Szmek ab76be5581 networkd: use SIGUSR2 to do a restart 
The code supports SIGTERM and SIGINT to termiante the process. It would
be possible to reporpose one of those signals for the restart operation,
but I think it's better to use a completely different signal to avoid
misunderstandings.
 2019-10-02 14:01:42 +02:00
Susant Sahani 2805536bff network: DHCPv6 client add support for prefix delegation hint 
Add support for prefix hint lenth and prefix hint address
```
Frame 43: 177 bytes on wire (1416 bits), 177 bytes captured (1416 bits) on interface 0
Ethernet II, Src: f6:c1:08:4d:45:f1 (f6:c1:08:4d:45:f1), Dst: IPv6mcast_01:00:02 (33:33:00:01:00:02)
Internet Protocol Version 6, Src: fe80::d250:c82:7f6e:28d6, Dst: ff02::1:2
User Datagram Protocol, Src Port: 546, Dst Port: 547
DHCPv6
    Message type: Solicit (1)
    Transaction ID: 0x5c7902
    Rapid Commit
    Identity Association for Non-temporary Address
    Fully Qualified Domain Name
    Identity Association for Prefix Delegation
        Option: Identity Association for Prefix Delegation (25)
        Length: 41
        Value: 1b97b1690000000000000000001a0019ffffffffffffffff…
        IAID: 1b97b169
        T1: 0
        T2: 0
        IA Prefix
            Option: IA Prefix (26)
            Length: 25
            Value: ffffffffffffffff3c000000000000000000000000000000…
            Preferred lifetime: infinity
            Valid lifetime: infinity
            Prefix length: 60
            Prefix address: ::
    Option Request
    Client Identifier
    Elapsed time
```
 2019-10-01 23:52:40 +09:00
Siddharth Chandrasekara afe42aef39 dhcp4: make IPServiceType configurable 
IPServiceType set to CS6 (network control) causes problems on some old
network setups that continue to interpret the field as IP TOS.

Make DHCP work on such networks by allowing this field to be set to
CS4 (Realtime) instead, as this maps to IPTOS_LOWDELAY.

Signed-off-by: Siddharth Chandrasekaran <csiddharth@vmware.com>
 2019-09-26 11:39:46 +09:00
Yu Watanabe 55a1729fd0 network: drop noisy log message 
Closes #13595.
 2019-09-26 11:37:50 +09:00
Yu Watanabe 82d1264048 Merge pull request #11883 from yuwata/network-dhcp-renew 
network: dhcp renew
 2019-09-22 07:44:23 +02:00
Yu Watanabe fc9d85b9bc Merge pull request #13610 from yuwata/network-check-one-more-section 
network: assorted follow-ups
 2019-09-22 07:18:28 +02:00
Frantisek Sumsal 38288f0bb8 tree-wide: various code-formatting improvements 
Reported/found by Coccinelle
 2019-09-22 07:17:27 +02:00
Yu Watanabe 308e7dfdce networkctl: add renew command 2019-09-21 20:27:43 +09:00
Yu Watanabe ae65d7dbe3 network: introduce new bus method Renew() and RenewLink() 2019-09-21 20:27:36 +09:00
Yu Watanabe 714a199e48 network: add one more section validty check 
Follow-up for 203d4df573.
 2019-09-21 20:17:15 +09:00
Chris Down de307e199b networkd: Fix SIP double-free 
This is already strv_freed right above
 2019-09-20 15:15:04 +02:00
Susant Sahani 299d578f7f network: DHCP server Add support to transmit SIP server 
1. DHCP server trasmit
2. Client parses and saves in leases
Implements http://www.rfc-editor.org/rfc/rfc3361.txt

```
Frame 134: 348 bytes on wire (2784 bits), 348 bytes captured (2784 bits) on interface 0
Ethernet II, Src: 42:65:85:d6:4e:32 (42:65:85:d6:4e:32), Dst: 1e:04:f8:b8:2f:d4 (1e:04:f8:b8:2f:d4)
Internet Protocol Version 4, Src: 192.168.5.1, Dst: 192.168.5.11
User Datagram Protocol, Src Port: 67, Dst Port: 68
Dynamic Host Configuration Protocol (ACK)
    Message type: Boot Reply (2)
    Hardware type: Ethernet (0x01)
    Hardware address length: 6
    Hops: 0
    Transaction ID: 0x7cc87cb4
    Seconds elapsed: 0
    Bootp flags: 0x0000 (Unicast)
    Client IP address: 0.0.0.0
    Your (client) IP address: 192.168.5.11
    Next server IP address: 0.0.0.0
    Relay agent IP address: 0.0.0.0
    Client MAC address: 1e:04:f8:b8:2f:d4 (1e:04:f8:b8:2f:d4)
    Client hardware address padding: 00000000000000000000
    Server host name not given
    Boot file name not given
    Magic cookie: DHCP
    Option: (53) DHCP Message Type (ACK)
        Length: 1
        DHCP: ACK (5)
    Option: (51) IP Address Lease Time
        Length: 4
        IP Address Lease Time: (3600s) 1 hour
    Option: (1) Subnet Mask (255.255.255.0)
        Length: 4
        Subnet Mask: 255.255.255.0
    Option: (3) Router
        Length: 4
        Router: 192.168.5.1
    Option: (6) Domain Name Server
        Length: 4
        Domain Name Server: 192.168.5.1
    Option: (42) Network Time Protocol Servers
        Length: 4
        Network Time Protocol Server: 192.168.1.1
    Option: (120) SIP Servers <=====here
        Length: 9
        SIP Server Encoding: IPv4 Address (1)
        SIP Server Address: 192.168.1.1
        SIP Server Address: 192.168.5.2
    Option: (101) TCode
        Length: 13
        TZ TCode: Europe/Berlin
    Option: (54) DHCP Server Identifier (192.168.5.1)
        Length: 4
        DHCP Server Identifier: 192.168.5.1
    Option: (255) End
        Option End: 255
```

```
cat /run/systemd/netif/state                                                                                                   ✔  ⚡  3148  16:40:51
OPER_STATE=routable
CARRIER_STATE=carrier
ADDRESS_STATE=routable
DNS=192.168.94.2 192.168.5.1
NTP=192.168.5.1
SIP=192.168.1.1 192.168.5.2

```

aa
 2019-09-20 21:22:23 +09:00
Susant Sahani 5bc945bec4 network dhcp4: Add support send request options in a generic manner 2019-09-20 21:05:48 +09:00
AsciiWolf 984b96aa7a polkit: fix typo 2019-09-20 21:02:47 +09:00
Yu Watanabe 62080133da Merge pull request #13583 from keszybz/networkd-hash-compare-equality 
Networkd hash compare equality
 2019-09-18 08:09:48 +09:00
Frantisek Sumsal 59a224d728 Merge pull request #13577 from yuwata/network-fix-ci-failure 
network: fix CI failure
 2019-09-17 17:42:26 +00:00
Zbigniew Jędrzejewski-Szmek 314ed4f994 networkd: unbreak routing_policy_rule_compare_func() 
!r is the same r == 0, so this was short-circuiting the comparison when
streq(a->iff, b->iff) or streq(a->off, b->off). Before the parent commit which
moved those comparisons to the end, this was short-circuiting quite a bit
of the comparison function.
 2019-09-17 19:27:58 +02:00
Zbigniew Jędrzejewski-Szmek 404ca5560b Merge pull request #13508 from yuwata/network-route-fix-13506 
network: takes more route information into hash func
 2019-09-17 19:20:21 +02:00
Zbigniew Jędrzejewski-Szmek a811fb8b37 networkd: make neighbor_hash_func() handle the same data as neighbor_compare_func() 
In practice this probably makes little difference, because we only use AF_INET
and AF_INET6, but it's cleaner to use the same logic in both places.
 2019-09-17 19:13:09 +02:00
Zbigniew Jędrzejewski-Szmek 67e05dd8cd networkd: use same order in _hash_func() and _compare_func() 
This makes it easier to see that the same data is handled in both cases.
No functional change.
 2019-09-17 19:11:50 +02:00
Zbigniew Jędrzejewski-Szmek 24be91817f networkd: split out helper function for address extraction 2019-09-17 19:09:57 +02:00
Yu Watanabe edfbf051e1 Merge pull request #13559 from ssahani/ipv6ra-route 
network: make networkd able to advertise IPv6 routes on links
 2019-09-18 00:13:08 +09:00
Yu Watanabe fa3e401a79 network: also take Route::initcwnd and ::initrwnd into hash func 
Fixes #13506.
 2019-09-17 21:53:42 +09:00
Yu Watanabe c077a205e7 network: take more route information into hash func 2019-09-17 21:53:42 +09:00
Yu Watanabe f136875549 network: make route_get() or friends take Route object 2019-09-17 21:53:42 +09:00
Yu Watanabe 4d59e14f32 network: do not enter failed state if device's sysfs entry does not exist yet 2019-09-17 21:34:06 +09:00
Yu Watanabe b1b0b42e48 network: add missing link->network checks 
When the function is called, no network file may be assigned to the
link.
 2019-09-17 21:29:35 +09:00
Susant Sahani 203d4df573 network: Add support to advertie ipv6 route 
Implements https://tools.ietf.org/html/rfc4191

cat veth99.network
```
[Match]
Name=veth99

[Network]
DHCP=no
IPv6PrefixDelegation=yes
Address=2001:db8:0:1::1/64

[IPv6Prefix]
Prefix=2001:db8:0:1::4/64

[IPv6RoutePrefix]
Route=2001:db0:fff::/48

```
Wireshark

```
Frame 481: 142 bytes on wire (1136 bits), 142 bytes captured (1136 bits) on interface 0
Ethernet II, Src: 1e:04:f8:b8:2f:d4 (1e:04:f8:b8:2f:d4), Dst: IPv6mcast_01 (33:33:00:00:00:01)
Internet Protocol Version 6, Src: fe80::1c04:f8ff:feb8:2fd4, Dst: ff02::1
Internet Control Message Protocol v6
    Type: Router Advertisement (134)
    Code: 0
    Checksum: 0xec77 [correct]
    [Checksum Status: Good]
    Cur hop limit: 0
    Flags: 0x00, Prf (Default Router Preference): Medium
    Router lifetime (s): 0
    Reachable time (ms): 0
    Retrans timer (ms): 0
    ICMPv6 Option (Source link-layer address : 1e:04:f8:b8:2f:d4)
        Type: Source link-layer address (1)
        Length: 1 (8 bytes)
        Link-layer address: 1e:04:f8:b8:2f:d4 (1e:04:f8:b8:2f:d4)
    ICMPv6 Option (MTU : 1500)
        Type: MTU (5)
        Length: 1 (8 bytes)
        Reserved
        MTU: 1500
    ICMPv6 Option (Prefix information : 2001:db8:0:1::4/64)
        Type: Prefix information (3)
        Length: 4 (32 bytes)
        Prefix Length: 64
        Flag: 0xc0, On-link flag(L), Autonomous address-configuration flag(A)
        Valid Lifetime: 2592000
        Preferred Lifetime: 604800
        Reserved
        Prefix: 2001:db8:0:1::4
    ICMPv6 Option (Route Information : Medium 2001:db0:fff::/48)
        Type: Route Information (24)
        Length: 3 (24 bytes)
        Prefix Length: 48
        Flag: 0x00, Route Preference: Medium
            ...0 0... = Route Preference: Medium (0)
            000. .000 = Reserved: 0
        Route Lifetime: 604800
        Prefix: 2001:db0:fff::
```
 2019-09-17 12:09:59 +02:00
Yu Watanabe 5539fc0f73 network: drop IPv6LL address when LinkLocalAddressing=no|ipv4 
C.f. disscussion in #13533.

Hopefully fixes #12886.
 2019-09-17 09:45:22 +09:00
Susant Sahani 61cda4d796 network DHCP4: Dont mislead the logs. 
The debug log making sense to the end user as an error.
 2019-09-17 08:09:44 +09:00
Yu Watanabe 1520151268 network: add more debug messages 2019-09-15 22:33:11 +09:00
Yu Watanabe c697db75de network: set scope and protocol for default route 2019-09-15 22:33:11 +09:00
Yu Watanabe 750f919112 network: drop redundant and invalid destination address 
When dst_prefixlen is not set, the value is not used.
 2019-09-15 22:33:11 +09:00
Yu Watanabe 70dc23624e network: do not use implicit cast to boolean 2019-09-15 22:33:11 +09:00
Yu Watanabe 2aa7d367ec network: do not create default route for ipv4 link local addressing 
When nspawn container with private network starts, networkd creates
the default route for the interface. The route may cause problem on
the host side, and it can be created with DefaultRouteOnDevice= now.
Hence, this makes networkd not create the route implicitly any more.

Closes #13418.
 2019-09-15 22:33:11 +09:00
Zbigniew Jędrzejewski-Szmek 3af900718e Merge pull request #13405 from yuwata/network-ipv6-privacy-extensions-cleanup 
Network ipv6 privacy extensions cleanup
 2019-09-13 18:03:29 +02:00
Zbigniew Jędrzejewski-Szmek ea2552639b polkit: change "revert settings" to "reset settings" 
"reset" is more understandable. The verb is "revert", but it might actually be
better to have a description which uses different words instead of duplicating
the name of the command.

https://github.com/systemd/systemd/commit/379158684abd981cc760342aad61b1c813b71eb2#commitcomment-34992552
 2019-09-12 18:35:49 +02:00
Yu Watanabe be7110826e network: do not abort execution when a config file cannot be loaded 
Closes #13516.
 2019-09-11 21:15:22 +09:00
Yu Watanabe 0bae857564 network: also check the permission of key file 2019-09-11 21:11:01 +09:00
Susant Sahani cdf01b36db networkctl: Display address is a DHCP4 address 
CLoses https://github.com/systemd/systemd/issues/10839
 2019-09-09 20:01:54 +05:30
Yu Watanabe f8c2e4b926 network: adjust log level when DHCPv4 lease lost 2019-08-31 22:00:54 +02:00
Yu Watanabe b977347498 Merge pull request #13412 from yuwata/network-check-and-warn-more 
network: check more static IPv6 configurations and add more warnings
 2019-08-28 15:23:01 +09:00
Yu Watanabe 44013aa4f5 network: add more warnings in network_verify() 2019-08-27 23:53:46 +09:00