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WPS: Make it possible to use PSKs loaded from the PSK file

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By default, when configuration file set wpa_psk_file, hostapd generated
a random PSK for each Enrollee provisioned using WPS and appended that
PSK to wpa_psk_file.

Changes that behavior by adding a new step. WPS will first try to use a
PSK from wpa_psk_file. It will only try PSKs with wps=1 tag.
Additionally it'll try to match enrollee's MAC address (if provided). If
it fails to find an appropriate PSK, it falls back to generating a new
PSK.

Signed-off-by: Tomasz Jankowski <tomasz.jankowski@plume.com>
This commit is contained in:
Tomasz Jankowski 2020-02-10 12:49:33 +01:00 • committed by Jouni Malinen
parent b1977a652d
commit fde8e79463
6 changed files with 78 additions and 2 deletions
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1
src/ap/ap_config.h
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@ -152,6 +152,7 @@ struct hostapd_wpa_psk {
struct hostapd_wpa_psk *next;
int group;
char keyid[KEYID_LEN];
int wps;
u8 psk[PMK_LEN];
u8 addr[ETH_ALEN];
u8 p2p_dev_addr[ETH_ALEN];