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3fc5765e1b
This code will be used later.
We want to remember which keyfiles are currently loaded (or hidden).
With the addition or multiple keyfile directories (soon), there are
two cases where this matters:
- if there are multiple keyfiles which reference the same UUID,
we can only load one of them. That is already a problem today
with only one keyfile directory, where multiple files can reference
the same UUID.
The implementation will pick the file based on priorities (like
the file modification date). However, the user may call explicitly
call `nmcli connection load`. In that case, we cannot reload
all files to find out whether the to be loaded file is hidden
according to the defined priorities. We cannot do that, because we
must not make decisions based on files on disk, which we are not told
to reload. So, during a `nmcli connection load` we must look at
unrelated files, to determine how to load the file.
Instead, we do allow the user to load any file, even if it would be
shadowed by other files. When we do that, we may want to persist which
file is currently loaded, so that a service restart and a `nmcli connection
reload` does not undo the load again. This can be later later be solved by
writing a symlink
"/var/run/NetworkManager/system-connections/.loaded-$UUID.nmkeyfile"
which targets the currently active file.
- if a profile was loaded from read-only persistant storage, the user
may still delete the profile. We also need to remember the deletion
of the file. That will be achieved by symlinking "/dev/null" as
"/etc/NetworkManager/system-connections/.loaded-$UUID.nmkeyfile".
Add helper functions to read and write these symlinks.
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| .. | ||
| plugins | ||
| nm-agent-manager.c | ||
| nm-agent-manager.h | ||
| nm-secret-agent.c | ||
| nm-secret-agent.h | ||
| nm-settings-connection.c | ||
| nm-settings-connection.h | ||
| nm-settings-plugin.c | ||
| nm-settings-plugin.h | ||
| nm-settings.c | ||
| nm-settings.h | ||