| Commit message (Collapse) | Author | Age | Files | Lines |
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Currently "src/" mostly contains the source code of the daemon.
I say mostly, because that is not true, there are also the device,
settings, wwan, ppp plugins, the initrd generator, the pppd and dhcp
helper, and probably more.
Also we have source code under libnm-core/, libnm/, clients/, and
shared/ directories. That is all confusing.
We should have one "src" directory, that contains subdirectories. Those
subdirectories should contain individual parts (libraries or
applications), that possibly have dependencies on other subdirectories.
There should be a flat hierarchy of directories under src/, which
contains individual modules.
As the name "src/" is already taken, that prevents any sensible
restructuring of the code.
As a first step, move "src/" to "src/core/". This gives space to
reorganize the code better by moving individual components into "src/".
For inspiration, look at systemd's "src/" directory.
https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/merge_requests/743
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These SPDX license identifiers are deprecated ([1]). Update them.
[1] https://spdx.org/licenses/
sed \
-e '1 s%^/\* SPDX-License-Identifier: \(GPL-2.0\|LGPL-2.1\)+ \*/$%/* SPDX-License-Identifier: \1-or-later */%' \
-e '1,2 s%^\(--\|#\|//\) SPDX-License-Identifier: \(GPL-2.0\|LGPL-2.1\)+$%\1 SPDX-License-Identifier: \2-or-later%' \
-i \
$(git grep -l SPDX-License-Identifier -- \
':(exclude)shared/c-*/' \
':(exclude)shared/n-*/' \
':(exclude)shared/systemd/src' \
':(exclude)src/systemd/src')
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Currently libnm headers include <linux/if_{ether,infiniband,vlan}.h>.
These are public headers, that means we drag in the linux header to all
users of <NetworkManager.h>.
Often the linux headers work badly together with certain headers from libc.
Depending on the libc version, you have to order linux headers in the right
order with respect to libc headers.
We should do better about libnm headers. As a first step, assume that
the linux headers don't get included by libnm, and explicitly include
them where they are needed.
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Our coding style recommends C style comments (/* */) instead of C++
(//). Also, systemd (which we partly fork) uses C style comments for
the SPDX-License-Identifier.
Unify the style.
$ sed -i '1 s#// SPDX-License-Identifier: \([^ ]\+\)$#/* SPDX-License-Identifier: \1 */#' -- $(git ls-files -- '*.[hc]' '*.[hc]pp')
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sed -i \
-e 's/^'$'\t'' \*/ */g' \
-e 's/^'$'\t\t'' \*/ */g' \
-e 's/^'$'\t\t\t'' \*/ */g' \
-e 's/^'$'\t\t\t\t'' \*/ */g' \
-e 's/^'$'\t\t\t\t\t'' \*/ */g' \
-e 's/^'$'\t\t\t\t\t\t'' \*/ */g' \
-e 's/^'$'\t\t\t\t\t\t\t'' \*/ */g' \
$(git ls-files -- '*.[hc]')
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Run:
./contrib/scripts/nm-code-format.sh -i
./contrib/scripts/nm-code-format.sh -i
Yes, it needs to run twice because the first run doesn't yet produce the
final result.
Signed-off-by: Antonio Cardace <acardace@redhat.com>
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There should be a comma after 'Otherwise' and 'Currently'.
https://bugzilla.redhat.com/show_bug.cgi?id=1852452
https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/merge_requests/560
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[thaller@redhat.com: rewritten commit message]
https://tools.ietf.org/html/rfc8520
https://blog.apnic.net/2019/05/14/protecting-the-internet-of-things-with-mud/
https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/issues/402
https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/merge_requests/463
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g_clear_pointer() would always cast the destroy notify function
pointer to GDestroyNotify. That means, it lost some type safety, like
GPtrArray *ptr_arr = ...
g_clear_pointer (&ptr_arr, g_array_unref);
Since glib 2.58 ([1]), g_clear_pointer() is also more type safe. But
this is not used by NetworkManager, because we don't set
GLIB_VERSION_MIN_REQUIRED to 2.58.
[1] https://gitlab.gnome.org/GNOME/glib/-/commit/f9a9902aac826ab4aecc25f6eb533a418a4fa559
We have nm_clear_pointer() to avoid this issue for a long time (pre
1.12.0). Possibly we should redefine in our source tree g_clear_pointer()
as nm_clear_pointer(). However, I don't like to patch glib functions
with our own variant. Arguably, we do patch g_clear_error() in
such a manner. But there the point is to make the function inlinable.
Also, nm_clear_pointer() returns a boolean that indicates whether
anything was cleared. That is sometimes useful. I think we should
just consistently use nm_clear_pointer() instead, which does always
the preferable thing.
Replace:
sed 's/\<g_clear_pointer *(\([^;]*\), *\([a-z_A-Z0-9]\+\) *)/nm_clear_pointer (\1, \2)/g' $(git grep -l g_clear_pointer) -i
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Make the dhclient backend honor the ipv4.dhcp-fqdn-flags setting.
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Since commit 159ff23268b1 ('dhcp/dhclient-utils: skip over
dhclient.conf blocks') we skip blocks enclosed in lines containing '{'
and '}' because NM should ignore 'lease', 'alias' and other
declarations. However, conditional statements seem useful and should
not be skipped.
https://bugzilla.redhat.com/show_bug.cgi?id=1758550
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$ find * -type f |xargs perl contrib/scripts/spdx.pl
$ git rm contrib/scripts/spdx.pl
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We no longer add these. If you use Emacs, configure it yourself.
Also, due to our "smart-tab" usage the editor anyway does a subpar
job handling our tabs. However, on the upside every user can choose
whatever tab-width he/she prefers. If "smart-tabs" are used properly
(like we do), every tab-width will work.
No manual changes, just ran commands:
F=($(git grep -l -e '-\*-'))
sed '1 { /\/\* *-\*- *[mM]ode.*\*\/$/d }' -i "${F[@]}"
sed '1,4 { /^\(#\|--\|dnl\) *-\*- [mM]ode/d }' -i "${F[@]}"
Check remaining lines with:
git grep -e '-\*-'
The ultimate purpose of this is to cleanup our files and eventually use
SPDX license identifiers. For that, first get rid of the boilerplate lines.
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From the files under "shared/nm-utils" we build an internal library
that provides glib-based helper utilities.
Move the files of that basic library to a new subdirectory
"shared/nm-glib-aux" and rename the helper library "libnm-core-base.la"
to "libnm-glib-aux.la".
Reasons:
- the name "utils" is overused in our code-base. Everything's an
"utils". Give this thing a more distinct name.
- there were additional files under "shared/nm-utils", which are not
part of this internal library "libnm-utils-base.la". All the files
that are part of this library should be together in the same
directory, but files that are not, should not be there.
- the new name should better convey what this library is and what is isn't:
it's a set of utilities and helper functions that extend glib with
funcitonality that we commonly need.
There are still some files left under "shared/nm-utils". They have less
a unifying propose to be in their own directory, so I leave them there
for now. But at least they are separate from "shared/nm-glib-aux",
which has a very clear purpose.
(cherry picked from commit 80db06f768e47541eae7d66ef48fbe47bf1a69ce)
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"nm-macros-interal.h" already includes <errno.h> and <string.h>.
No need to include it everywhere else too.
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For static functions inside a module, the compiler determines on its own
whether to inline the function.
Also, "inline" was used at some places that don't immediatly look like
candidates for inlining. It was most likely a copy&paste error.
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sd_dhcp6_client_set_request_option() only accepts a white-listed
set of options. Unexpected options are rejected with -EINVAL.
Currently supported are only:
- SD_DHCP6_OPTION_DNS_SERVERS
- SD_DHCP6_OPTION_DOMAIN_LIST
- SD_DHCP6_OPTION_SNTP_SERVERS
- SD_DHCP6_OPTION_NTP_SERVER
- SD_DHCP6_OPTION_RAPID_COMMIT
As such, SD_DHCP6_OPTION_CLIENTID is not accepted and requesting it
was silently ignored.
Fixes: d2dd3b2c90221fdfa40ca81a9fcffe6a777d95de
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There should be lower layers that are concerned with writing
and reading dhclient configuration files. It's wrong to
have a nm_dhcp_dhclient_save_duid() function which requires
the caller to pre-escape the string to write. The caller shouldn't
be concerned with the file format, that's why the function
is used in the first place.
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Drop unused function.
Aside from that, dhclient configuration files support a very complex
syntax. The parser was very naive and insufficient in parsing such
files. It's good we can just drop it.
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"nm-platform.h"
In the past, the headers "linux/if.h" and "net/if.h" were incompatible.
That means, we can either include one or the other, but not both.
This is fixed in the meantime, however the issue still exists when
building against older kernel/glibc.
That means, including one of these headers from a header file
is problematic. In particular if it's a header like "nm-platform.h",
which itself is dragged in by many other headers.
Avoid that by not including these headers from "platform.h", but instead
from the source files where needed (or possibly from less popular header
files).
Currently there is no problem. However, this allows an unknowing user to
include <net/if.h> at the same time with "nm-platform.h", which is easy
to get wrong.
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On networked boot we need to somehow communicate this to the early boot
machinery. Sadly, no DBus there and we're running in configure-and-quit
mode.
Abusing the state file for this sounds almost reasonable and is
reasonably straightforward thing to do.
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Extend the lame-ass dhclient.conf parser to ignore the blocks we can't
do anything useful about: alias{}, pseudo{} and even lease{}.
Note that there's still a lot of cases we can't handle without a
full-fledged dhclient.conf parser -- notably the files that don't use
line breaks to separate the statements.
That is probably okay -- the whole thing is probably mostly useless and
we shall ever bother only about cases that actually cause trouble.
https://github.com/NetworkManager/NetworkManager/pull/153
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We will soon introduce a property to set a custom DUID and we want
to enforce that the provided value is used.
Note that this commit does not cause any change in behavior in current
code.
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The nm_dhcp_dhclient_save_duid() function will save a newly generated
DUID to a previously existing lease file. The function will only save
the DUID if not present in the lease file: in this case, should preserve
the other contents of the lease file.
A dhclient lease file for IPv6 generated by NetworkManager will always
add the DUID as a first item: so in practice finding a lease file
without DUID will never happen.
This has hidden a bug in the function: the loop that is meant to append
the non-duid lines in the lease file would strip all the newlines,
mangling the lease file.
Fix the function allowing to keep the original lines and add a test to
check this functionality is kept well functioning.
FIXME: the new test and the other duid ones already there store the file
in the current working-directory. Tests should not do that.
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Normalize coding style by removing consecutive empty lines from C
sources and headers.
https://github.com/NetworkManager/NetworkManager/pull/108
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The documentation for the ipv4.dhcp-client-id property says:
If the property is not a hex string it is considered as a
non-hardware-address client ID and the 'type' field is set to 0.
However, currently we set the client-id without the leading zero byte
in the dhclient configuration and thus dhclient sends the first string
character as type and the remainder as client-id content. Looking
through git history, the dhclient plugin has always behaved this way
even if the intent was clearly that string client-id had to be zero
padded (this is evident by looking at
nm_dhcp_utils_client_id_string_to_bytes()). The internal plugin
instead sends the correct client-id with zero type.
Change the dhclient plugin to honor the documented behavior and add
the leading zero byte when the client-id is a string.
This commit introduces a change in behavior for users that have
dhcp=dhclient and have a plain string (not hexadecimal) set in
ipv4.dhcp-client-id, as NM will send a different client-id possibly
changing the IP address returned by the server.
https://bugzilla.gnome.org/show_bug.cgi?id=793957
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GBytes is immutable. It's better suited to contain the duid parameter
then a GByteArray.
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lines
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The internal client asserts that the length of the client ID is not more
than MAX_CLIENT_ID_LEN. Avoid that assert by truncating the string.
Also add new nm_dhcp_client_set_client_id_*() setters, that either
set the ID based on a string (in our common dhclient specific
format), or based on the binary data (as obtained from systemd client).
Also, add checks and assertions that the client ID which is
set via nm_dhcp_client_set_client_id() is always of length
of at least 2 (as required by rfc2132, section-9.14).
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Replace the usage of g_str_hash() with our own nm_str_hash().
GLib's g_str_hash() uses djb2 hashing function, just like we
do at the moment. The only difference is, that we use a diffrent
seed value.
Note, that we initialize the hash seed with random data (by calling
getrandom() or reading /dev/urandom). That is a change compared to
before.
This change of the hashing function and accessing the random pool
might be undesired for libnm/libnm-core. Hence, the change is not
done there as it possibly changes behavior for public API. Maybe
we should do that later though.
At this point, there isn't much of a change. This patch becomes
interesting, if we decide to use a different hashing algorithm.
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Instead of having 3 properties @gateway, @never_default and @has_gateway
on NMIP4Config/NMIP6Config that determine the default-route, track the
default-route as a regular route.
The gateway setting is the configuration knob for the default-route.
Since an NMIP4Config/NMIP6Config instance only has one gateway property,
it cannot track more then one default-routes (see related bug rh#1445417).
Especially with policy routing, it might be interesting to configure a
default-route in multiple tables.
Also, later it might be interesting to allow adding default-routes as
regular static routes in a connection, so that the user can configure additional
route parameters for the default-route or add default-routes in multiple tables.
With this patch, default-routes now have a rt_source property according to their
origin.
Also, the previous commits of this branch broke handling of the
default-route :) . That should be working now again.
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the --timeout command line option is a custom feature added in some
linux distributions (fedora). Passing that command line argument will
make dhclient fail if the binary does not support it, preventing
activation of dhcp based connections.
Worse, the option has just been recently changed from "-timeout", so
that we are currently incompatibile with Centos, RedHat and older
versions of Fedora too.
Leverage the "timeout" option in dhclient config file: it will produce
the expected behavior and will be universally supported.
Fixes test: dhcp-timeout
Fixes: fa46736013fa1e3df1508b1f67b495ce45daf94a
https://bugzilla.redhat.com/show_bug.cgi?id=1491243
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In many cases we want to treat IPv4 and IPv6 generically. That looks nicer
if we distingish by an @addr_family integer, instead of a boolean.
Replace the @is_ipv6 boolean with an @addr_family paramter. The @is_ipv6
boolean is inconsistent with other places where we use @is_ipv4 to
indicate the opposite. Eventually, we should use @addr_family
everywhere.
Also, at the call site it's not immediately clear what TRUE/FALSE means,
here AF_INET/AF_INET6 is better.
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In commit d405cfd9089f9552969e6a3e1a1c4550fc3c1695, parsing "interface"
statement is introduced. But it leads to uncommplete parsing of the
"request" entry, if one of the lines in "request" entry is prefixed with
word "interface". For example, the default configuration of openSUSE
distribution:
request subnet-mask, broadcast-address, routers,
rfc3442-classless-static-routes,
interface-mtu, host-name, domain-name, domain-search,
domain-name-servers, nis-domain, nis-servers,
nds-context, nds-servers, nds-tree-name,
netbios-name-servers, netbios-dd-server,
netbios-node-type, netbios-scope, ntp-servers;
Fixes: d405cfd9089f9552969e6a3e1a1c4550fc3c1695
https://bugzilla.opensuse.org/show_bug.cgi?id=1047004
https://mail.gnome.org/archives/networkmanager-list/2017-July/msg00015.html
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NMIP4Config, NMIP6Config, and NMPlatform shall share one
NMDedupMultiIndex instance.
For that, pass an NMDedupMultiIndex instance to NMPlatform and NMNetns.
NMNetns than passes it on to NMDevice, NMDhcpClient, NMIP4Config and NMIP6Config.
So currently NMNetns is the access point to the shared NMDedupMultiIndex
instance, and it gets it from it's NMPlatform instance.
The NMDedupMultiIndex instance is really a singleton, we don't want
multiple instances of it. However, for testing, instead of adding a
singleton instance, pass the instance explicitly around.
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If users wrote a FQDN in ipv4.dhcp-hostname presumably it's because
they really want to send the full value, not only the host part, so
let's send it as-is.
This obviously is a change in behavior, but only for users that have a
FQDN in ipv4.dhcp-hostname, where it's not clear if they really want the
domain to be stripped.
When the property is unset, we keep sending only the host part of the
system hostname to maintain backwards compatibility.
This commit aligns NM behavior to initscripts.
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Since they are mutually exclusive, pass a string and a boolean to
indicate whether we want to use the hostname or the FQDN option.
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ISC dhclient will always append the zero label to the fqdn.fqdn option.
The dhcp-options(5) suggest that it's perfectly fine to have an
unqualified name.
"... This can be a fully-qualified domain name, or a single label. ..."
The ISC dhcpd will ignore this trailing zero label and do DDNS
regardless.
https://bugzilla.gnome.org/show_bug.cgi?id=761467
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