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wpa_priv: Document reduced functionality

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wpa_priv has never really been fully up-to-date with the wpa_supplicant
driver interface extensions. This does not seem like something that
would change in the future either, so document this reduced
functionality as a potential drawback.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2016-12-03 17:49:37 +02:00
parent 6d97561dcd
commit 0771e912ae
1 changed files with 11 additions and 0 deletions
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11
wpa_supplicant/README
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@ -965,6 +965,17 @@ wpa_priv can control multiple interface with one process, but it is
also possible to run multiple wpa_priv processes at the same time, if
desired.
It should be noted that the interface used between wpa_supplicant and
wpa_priv does not include all the capabilities of the wpa_supplicant
driver interface and at times, this interface lacks update especially
for recent addition. Consequently, use of wpa_priv does come with the
price of somewhat reduced available functionality. The next section
describing how wpa_supplicant can be used with reduced privileges
without having to handle the complexity of separate wpa_priv. While that
approve does not provide separation for network admin capabilities, it
does allow other root privileges to be dropped without the drawbacks of
the wpa_priv process.
Linux capabilities instead of privileged process
------------------------------------------------