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hostapd: set group_mgmt_cipher when ieee80211w is enabled 

In order to properly support 802.11w, hostapd needs to advertise a group
management cipher when negotiating associations.

Introduce a new per-wifi-iface option "ieee80211w_mgmt_cipher" which
defaults to the standard AES-128-CMAC cipher and always emit a
"group_mgmt_cipher" setting in native hostapd config when 802.11w is
enabled.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
owl
Jo-Philipp Wich 2018-01-05 13:15:01 +01:00
parent b153dbf046
commit 8a57531855
1 changed files with 3 additions and 1 deletions
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4
package/network/services/hostapd/files/hostapd.sh
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@ -174,6 +174,7 @@ hostapd_common_add_bss_config() {
config_add_string ownip
config_add_string iapp_interface
config_add_string eap_type ca_cert client_cert identity anonymous_identity auth priv_key priv_key_pwd
config_add_string ieee80211w_mgmt_cipher
config_add_int dynamic_vlan vlan_naming
config_add_string vlan_tagged_interface vlan_bridge
@ -444,9 +445,10 @@ hostapd_set_bss_options() {
# RSN -> allow management frame protection
case "$ieee80211w" in
[012])
json_get_vars ieee80211w_max_timeout ieee80211w_retry_timeout
json_get_vars ieee80211w_mgmt_cipher ieee80211w_max_timeout ieee80211w_retry_timeout
append bss_conf "ieee80211w=$ieee80211w" "$N"
[ "$ieee80211w" -gt "0" ] && {
append bss_conf "group_mgmt_cipher=${ieee80211w_mgmt_cipher:-AES-128-CMAC}" "$N"
[ -n "$ieee80211w_max_timeout" ] && \
append bss_conf "assoc_sa_query_max_timeout=$ieee80211w_max_timeout" "$N"
[ -n "$ieee80211w_retry_timeout" ] && \