[RFC] [PATCHv5] Use radius supplied PSK / Passphrase for WPA-PSK
michael-dev at fami-braun.de
Mon Dec 5 09:38:54 PST 2011
I wanted to use the per-device-PSK (WPA) feature in conjunction with a radius server that does the authorization checking and should supply the psk.
I found RouterOS to have a feature like this (Miktronik-Wireless-PSK or so radius attribute) but no source and a hint on this mailing list
that it should not be difficult to implement.
Please find a patch against git head attached that compiles fine and is currently under testing.
To use this, one needs to enable the macaddr_acl = RADIUS setting and have wpa_psk_radius=1.
For Freeradius, one needs to add
VENDOR Hostapd 39014
ATTRIBUTE Hostapd-PSK 1 integer Hostapd
ATTRIBUTE Hostapd-Passphrase 2 string Hostapd
to the dictionary file and make sure that either Hostapd-Passphrase or Hostapd-PSK (the latter has higher priority) is in the radius reply.
The PSK should be supplied hex encoded, the passphrase is turned into a psk by hostapd.
The Vendor ID will be changed once assigned by IANA.
Changes since v1:
* sent wrong file, changes only apply to documentation part
Changes since v2:
* use free enterprise number
Changes since v3:
* fix typo, make it compile with openwrt
Changes since v4:
* tested on x86, fixed all occuring issues
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