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authorEneas U de Queiroz <cotequeiroz@gmail.com>2022-01-07 17:19:36 -0300
committerDavid Bauer <mail@david-bauer.net>2022-02-19 16:14:52 +0100
commite6df13d0e16dd394ca26a80feeb013234948e875 (patch)
tree51c7773a3147d20e1b653b3bb8b00f3ac320691d /package
parent6f787239771044ed7eeaf22301c543b699f25cb4 (diff)
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hostapd: fallback to psk when generating r0kh/r1kh
The 80211r r0kh and r1kh defaults are generated from the md5sum of "$mobility_domain/$auth_secret". auth_secret is only set when using EAP authentication, but the default key is used for SAE/PSK as well. In this case, auth_secret is empty, and the default value of the key can be computed from the SSID alone. Fallback to using $key when auth_secret is empty. While at it, rename the variable holding the generated key from 'key' to 'ft_key', to avoid clobbering the PSK. Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com> [make ft_key local] Signed-off-by: David Bauer <mail@david-bauer.net>
Diffstat (limited to 'package')
-rw-r--r--package/network/services/hostapd/files/hostapd.sh8
1 files changed, 4 insertions, 4 deletions
diff --git a/package/network/services/hostapd/files/hostapd.sh b/package/network/services/hostapd/files/hostapd.sh
index d9d5f34877..157a7ad3e0 100644
--- a/package/network/services/hostapd/files/hostapd.sh
+++ b/package/network/services/hostapd/files/hostapd.sh
@@ -526,7 +526,7 @@ hostapd_set_bss_options() {
wireless_vif_parse_encryption
- local bss_conf bss_md5sum
+ local bss_conf bss_md5sum ft_key
local wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey wpa_key_mgmt
json_get_vars \
@@ -876,10 +876,10 @@ hostapd_set_bss_options() {
set_default pmk_r1_push 0
[ -n "$r0kh" -a -n "$r1kh" ] || {
- key=`echo -n "$mobility_domain/$auth_secret" | md5sum | awk '{print $1}'`
+ ft_key=`echo -n "$mobility_domain/${auth_secret:-${key}}" | md5sum | awk '{print $1}'`
- set_default r0kh "ff:ff:ff:ff:ff:ff,*,$key"
- set_default r1kh "00:00:00:00:00:00,00:00:00:00:00:00,$key"
+ set_default r0kh "ff:ff:ff:ff:ff:ff,*,$ft_key"
+ set_default r1kh "00:00:00:00:00:00,00:00:00:00:00:00,$ft_key"
}
[ -n "$r1_key_holder" ] && append bss_conf "r1_key_holder=$r1_key_holder" "$N"