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It's only relevant to DHCP, and it should be where the DUID is configured too.
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networkd lib: cleanup FOREACH_WORD
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* gitignore: typo fix for test-networkd-conf
* networkd: fix double include
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Rework DUID setting
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Closes #2166.
We only allow 0, infinity and forever.
infinity and forever is same.
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networkd: add support to set route table
1. add support to configure the table id.
if id is less than 256 we can fit this in the header of route as
netlink property is a char. But in kernel this proepty is a
unsigned 32. Hence if greater that 256 add this as RTA_TABLE
attribute.
2. we are not setting the address family now. Now set this property.
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It wasn't used for anything after the recent changes.
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Separate fields are replaced with a struct.
Second second duid type field is removed. The first field was used to carry
the result of DUIDType= configuration, and the second was either a copy of
this, or contained the type extracted from DuidRawData. The semantics are changed
so that the type specified in DUIDType is always used. DUIDRawData= no longer
overrides the type setting.
The networkd code is now more constrained than the sd-dhcp code:
DUIDRawData cannot have 0 length, length 0 is treated the same as unsetting.
Likewise, it is not possible to set a DUIDType=0. If it ever becomes necessary
to set type=0 or a zero-length duid, the code can be changed to support that.
Nevertheless, I think that's unlikely.
This addresses #3127 § 1 and 3.
v2:
- rename DUID.duid, DUID.duid_len to DUID.raw_data, DUID.raw_data_len
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Both versions of the code are changed to allow the caller to override
DUID using simple rules: duid type and value may be specified, in
which case the caller is responsible to providing the contents,
or just duid type may be specified as DUID_TYPE_EN, in which case we
we fill in the values. In the future more support for other types may
be added, e.g. DUID_TYPE_LLT.
There still remains and ugly discrepancy between dhcp4 and dhcp6 code:
dhcp6 has sd_dhcp6_client_set_duid and sd_dhcp6_client_set_iaid and
requires client->state to be DHCP6_STATE_STOPPED, while dhcp4 has
sd_dhcp_client_set_iaid_duid and will reconfigure the client if it
is not stopped. This commit doesn't touch that part.
This addresses #3127 § 2.
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Header files were organized in a way where the includer would add various
typedefs used by the includee before including it, resulting in a tangled
web of dependencies between files.
Replace this with the following logic:
networkd.h
/ \
networkd-link.h \
networkd-ipv4ll.h--\__\
networkd-fdb.h \
networkd-network.h netword-netdev-*.h
networkd-route.h \
networkd-netdev.h
If a pointer to a structure defined in a different header file is needed,
use a typedef line instead of including the whole header.
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Let's move DUID configuration into the [DHCP] section, since it only makes
sense in a DHCP context, and should be close to the configuration of
ClientIdentifier= and suchlike.
This really shouldn't be a section of its own, we don't have any for any of our
other per-protocol specific identifiers...
Follow-up for #2890 #2943
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Various small cleanups in shared code
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Now we are not setting static address, start dhcp6 client and
discovering IPv6 routers after link gained carrier.
This fixes #2912.
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It make more sense to initalize the node first then
we add to the list.
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We are not able to add multiple properties.
wlp3s0.network:
[Match]
Name=wlp3s0
[Route]
Gateway=10.68.5.26
Metric=10
sudo ./systemd-networkd
Failed to parse file '/usr/lib/systemd/network/wlp3s0.network': File
exists
Could not load configuration files: File exists
This patch fixes it.
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available in the kernel
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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.
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This fixes #2282.
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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.
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Fixes: #2889
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We only use it for the Tx code anyway, hence sd-lldp.h shouldn't expose it, as
it only implements Rx.
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Let's properly handle hashmap_put() failing.
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CID #1349698.
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Replace if with assert_cc in lldp code and a build-sys tweak
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DHCP DUID parsing fix, logging fix, man-page fix
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LLDP_TX_HOLD or one of the other variables might be changed in the future
resulting in a silent error here if the if was just removed.
Replacement for #2983.
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1. Replace strtol with unhexchar, verified with valid and invalid DUID strings.
2. Fix logging to use log_syntax instead of log_error.
3. On error reading DUID, ignore read and preserve previous state.
4. Fix man-pages to use markup, remove options not yet implemented.
5. Remove spurious header line in new files.
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For #2915.
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lldp.h contains definitions of LLDP types, subtypes and capabilities which
should be exposed in public headers. Get rid of the file and move those
definitions to sd-lldp.h with the SD_ prefix.
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Enable more tests by default, and even more with `--enable-tests=unsafe`
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name is IFNAMSIZ bytes, but we would copy sizeof(info->name) bytes,
which is IFNAMSIZ + 1. In effect we would go outside of the source
buffer and possibly leave a non-null terminated string in info->name.
CID #1351754.
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tree-wide: merge pager_open_if_enabled() to the pager_open()
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Many subsystems define own pager_open_if_enabled() function which
checks '--no-pager' command line argument and open pager depends
on its value. All implementations of pager_open_if_enabled() are
the same. Let's merger this function with pager_open() from the
shared/pager.c and remove pager_open_if_enabled() from all subsytems
to prevent code duplication.
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tree-wide: minor formatting inconsistency cleanups
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