| 1 | hostapd_set_bss_options() { |
| 2 | local var="$1" |
| 3 | local vif="$2" |
| 4 | local enc wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey wps_possible |
| 5 | |
| 6 | config_get enc "$vif" encryption |
| 7 | config_get wep_rekey "$vif" wep_rekey # 300 |
| 8 | config_get wpa_group_rekey "$vif" wpa_group_rekey # 300 |
| 9 | config_get wpa_pair_rekey "$vif" wpa_pair_rekey # 300 |
| 10 | config_get wpa_master_rekey "$vif" wpa_master_rekey # 640 |
| 11 | config_get_bool ap_isolate "$vif" isolate 0 |
| 12 | |
| 13 | config_get device "$vif" device |
| 14 | config_get hwmode "$device" hwmode |
| 15 | config_get phy "$device" phy |
| 16 | |
| 17 | append "$var" "ctrl_interface=/var/run/hostapd-$phy" "$N" |
| 18 | |
| 19 | if [ "$ap_isolate" -gt 0 ]; then |
| 20 | append "$var" "ap_isolate=$ap_isolate" "$N" |
| 21 | fi |
| 22 | |
| 23 | # Examples: |
| 24 | # psk-mixed/tkip => WPA1+2 PSK, TKIP |
| 25 | # wpa-psk2/tkip+aes => WPA2 PSK, CCMP+TKIP |
| 26 | # wpa2/tkip+aes => WPA2 RADIUS, CCMP+TKIP |
| 27 | # ... |
| 28 | |
| 29 | # TODO: move this parsing function somewhere generic, so that |
| 30 | # later it can be reused by drivers that don't use hostapd |
| 31 | |
| 32 | # crypto defaults: WPA2 vs WPA1 |
| 33 | case "$enc" in |
| 34 | wpa2*|*psk2*) |
| 35 | wpa=2 |
| 36 | crypto="CCMP" |
| 37 | ;; |
| 38 | *mixed*) |
| 39 | wpa=3 |
| 40 | crypto="CCMP TKIP" |
| 41 | ;; |
| 42 | *) |
| 43 | wpa=1 |
| 44 | crypto="TKIP" |
| 45 | ;; |
| 46 | esac |
| 47 | |
| 48 | # explicit override for crypto setting |
| 49 | case "$enc" in |
| 50 | *tkip+aes|*tkip+ccmp|*aes+tkip|*ccmp+tkip) crypto="CCMP TKIP";; |
| 51 | *aes|*ccmp) crypto="CCMP";; |
| 52 | *tkip) crypto="TKIP";; |
| 53 | esac |
| 54 | |
| 55 | # enforce CCMP for 11ng and 11na |
| 56 | case "$hwmode:$crypto" in |
| 57 | *ng:TKIP|*na:TKIP) crypto="CCMP TKIP";; |
| 58 | esac |
| 59 | |
| 60 | # use crypto/auth settings for building the hostapd config |
| 61 | case "$enc" in |
| 62 | *psk*) |
| 63 | config_get psk "$vif" key |
| 64 | if [ ${#psk} -eq 64 ]; then |
| 65 | append "$var" "wpa_psk=$psk" "$N" |
| 66 | else |
| 67 | append "$var" "wpa_passphrase=$psk" "$N" |
| 68 | fi |
| 69 | wps_possible=1 |
| 70 | [ -n "$wpa_group_rekey" ] && append "$var" "wpa_group_rekey=$wpa_group_rekey" "$N" |
| 71 | [ -n "$wpa_pair_rekey" ] && append "$var" "wpa_ptk_rekey=$wpa_pair_rekey" "$N" |
| 72 | [ -n "$wpa_master_rekey" ] && append "$var" "wpa_gmk_rekey=$wpa_master_rekey" "$N" |
| 73 | ;; |
| 74 | *wpa*) |
| 75 | # required fields? formats? |
| 76 | # hostapd is particular, maybe a default configuration for failures |
| 77 | config_get auth_server "$vif" auth_server |
| 78 | [ -z "$auth_server" ] && config_get auth_server "$vif" server |
| 79 | append "$var" "auth_server_addr=$auth_server" "$N" |
| 80 | config_get auth_port "$vif" auth_port |
| 81 | [ -z "$auth_port" ] && config_get auth_port "$vif" port |
| 82 | auth_port=${auth_port:-1812} |
| 83 | append "$var" "auth_server_port=$auth_port" "$N" |
| 84 | config_get auth_secret "$vif" auth_secret |
| 85 | [ -z "$auth_secret" ] && config_get auth_secret "$vif" key |
| 86 | append "$var" "auth_server_shared_secret=$auth_secret" "$N" |
| 87 | config_get acct_server "$vif" acct_server |
| 88 | [ -n "$acct_server" ] && append "$var" "acct_server_addr=$acct_server" "$N" |
| 89 | config_get acct_port "$vif" acct_port |
| 90 | [ -n "$acct_port" ] && acct_port=${acct_port:-1813} |
| 91 | [ -n "$acct_port" ] && append "$var" "acct_server_port=$acct_port" "$N" |
| 92 | config_get acct_secret "$vif" acct_secret |
| 93 | [ -n "$acct_secret" ] && append "$var" "acct_server_shared_secret=$acct_secret" "$N" |
| 94 | config_get nasid "$vif" nasid |
| 95 | append "$var" "nas_identifier=$nasid" "$N" |
| 96 | append "$var" "eapol_key_index_workaround=1" "$N" |
| 97 | append "$var" "ieee8021x=1" "$N" |
| 98 | append "$var" "wpa_key_mgmt=WPA-EAP" "$N" |
| 99 | [ -n "$wpa_group_rekey" ] && append "$var" "wpa_group_rekey=$wpa_group_rekey" "$N" |
| 100 | [ -n "$wpa_pair_rekey" ] && append "$var" "wpa_ptk_rekey=$wpa_pair_rekey" "$N" |
| 101 | [ -n "$wpa_master_rekey" ] && append "$var" "wpa_gmk_rekey=$wpa_master_rekey" "$N" |
| 102 | ;; |
| 103 | *wep*) |
| 104 | config_get key "$vif" key |
| 105 | key="${key:-1}" |
| 106 | case "$key" in |
| 107 | [1234]) |
| 108 | for idx in 1 2 3 4; do |
| 109 | local zidx |
| 110 | zidx=$(($idx - 1)) |
| 111 | config_get ckey "$vif" "key${idx}" |
| 112 | [ -n "$ckey" ] && \ |
| 113 | append "$var" "wep_key${zidx}=$(prepare_key_wep "$ckey")" "$N" |
| 114 | done |
| 115 | append "$var" "wep_default_key=$((key - 1))" "$N" |
| 116 | ;; |
| 117 | *) |
| 118 | append "$var" "wep_key0=$(prepare_key_wep "$key")" "$N" |
| 119 | append "$var" "wep_default_key=0" "$N" |
| 120 | [ -n "$wep_rekey" ] && append "$var" "wep_rekey_period=$wep_rekey" "$N" |
| 121 | ;; |
| 122 | esac |
| 123 | case "$enc" in |
| 124 | *shared*) |
| 125 | auth_algs=2 |
| 126 | ;; |
| 127 | *mixed*) |
| 128 | auth_algs=3 |
| 129 | ;; |
| 130 | esac |
| 131 | wpa=0 |
| 132 | crypto= |
| 133 | ;; |
| 134 | *) |
| 135 | wpa=0 |
| 136 | crypto= |
| 137 | ;; |
| 138 | esac |
| 139 | append "$var" "auth_algs=${auth_algs:-1}" "$N" |
| 140 | append "$var" "wpa=$wpa" "$N" |
| 141 | [ -n "$crypto" ] && append "$var" "wpa_pairwise=$crypto" "$N" |
| 142 | [ -n "$wpa_group_rekey" ] && append "$var" "wpa_group_rekey=$wpa_group_rekey" "$N" |
| 143 | |
| 144 | config_get ssid "$vif" ssid |
| 145 | config_get bridge "$vif" bridge |
| 146 | config_get ieee80211d "$vif" ieee80211d |
| 147 | config_get iapp_interface "$vif" iapp_interface |
| 148 | |
| 149 | config_get_bool wps_pbc "$vif" wps_pushbutton 0 |
| 150 | config_get_bool wps_label "$vif" wps_label 0 |
| 151 | |
| 152 | config_get config_methods "$vif" wps_config |
| 153 | [ "$wps_pbc" -gt 0 ] && append config_methods push_button |
| 154 | |
| 155 | [ -n "$wps_possible" -a -n "$config_methods" ] && { |
| 156 | config_get device_type "$vif" wps_device_type "6-0050F204-1" |
| 157 | config_get device_name "$vif" wps_device_name "OpenWrt AP" |
| 158 | config_get manufacturer "$vif" wps_manufacturer "openwrt.org" |
| 159 | |
| 160 | append "$var" "eap_server=1" "$N" |
| 161 | append "$var" "wps_state=2" "$N" |
| 162 | append "$var" "ap_setup_locked=1" "$N" |
| 163 | append "$var" "device_type=$device_type" "$N" |
| 164 | append "$var" "device_name=$device_name" "$N" |
| 165 | append "$var" "manufacturer=$manufacturer" "$N" |
| 166 | append "$var" "config_methods=$config_methods" "$N" |
| 167 | } |
| 168 | |
| 169 | append "$var" "ssid=$ssid" "$N" |
| 170 | [ -n "$bridge" ] && append "$var" "bridge=$bridge" "$N" |
| 171 | [ -n "$ieee80211d" ] && append "$var" "ieee80211d=$ieee80211d" "$N" |
| 172 | [ -n "$iapp_interface" ] && append "$var" iapp_interface=$(uci_get_state network "$iapp_interface" ifname "$iapp_interface") "$N" |
| 173 | |
| 174 | if [ "$wpa" -ge "2" ] |
| 175 | then |
| 176 | # RSN -> allow preauthentication |
| 177 | config_get rsn_preauth "$vif" rsn_preauth |
| 178 | if [ -n "$bridge" -a "$rsn_preauth" = 1 ] |
| 179 | then |
| 180 | append "$var" "rsn_preauth=1" "$N" |
| 181 | append "$var" "rsn_preauth_interfaces=$bridge" "$N" |
| 182 | fi |
| 183 | |
| 184 | # RSN -> allow management frame protection |
| 185 | config_get ieee80211w "$vif" ieee80211w |
| 186 | case "$ieee80211w" in |
| 187 | [012]) |
| 188 | append "$var" "ieee80211w=$ieee80211w" "$N" |
| 189 | [ "$ieee80211w" -gt "0" ] && { |
| 190 | config_get ieee80211w_max_timeout "$vif" ieee80211w_max_timeout |
| 191 | config_get ieee80211w_retry_timeout "$vif" ieee80211w_retry_timeout |
| 192 | [ -n "$ieee80211w_max_timeout" ] && \ |
| 193 | append "$var" "assoc_sa_query_max_timeout=$ieee80211w_max_timeout" "$N" |
| 194 | [ -n "$ieee80211w_retry_timeout" ] && \ |
| 195 | append "$var" "assoc_sa_query_retry_timeout=$ieee80211w_retry_timeout" "$N" |
| 196 | } |
| 197 | ;; |
| 198 | esac |
| 199 | fi |
| 200 | } |
| 201 | |
| 202 | hostapd_set_log_options() { |
| 203 | local var="$1" |
| 204 | local cfg="$2" |
| 205 | local log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme |
| 206 | |
| 207 | config_get log_level "$cfg" log_level 2 |
| 208 | |
| 209 | config_get_bool log_80211 "$cfg" log_80211 1 |
| 210 | config_get_bool log_8021x "$cfg" log_8021x 1 |
| 211 | config_get_bool log_radius "$cfg" log_radius 1 |
| 212 | config_get_bool log_wpa "$cfg" log_wpa 1 |
| 213 | config_get_bool log_driver "$cfg" log_driver 1 |
| 214 | config_get_bool log_iapp "$cfg" log_iapp 1 |
| 215 | config_get_bool log_mlme "$cfg" log_mlme 1 |
| 216 | |
| 217 | local log_mask=$(( \ |
| 218 | ($log_80211 << 0) | \ |
| 219 | ($log_8021x << 1) | \ |
| 220 | ($log_radius << 2) | \ |
| 221 | ($log_wpa << 3) | \ |
| 222 | ($log_driver << 4) | \ |
| 223 | ($log_iapp << 5) | \ |
| 224 | ($log_mlme << 6) \ |
| 225 | )) |
| 226 | |
| 227 | append "$var" "logger_syslog=$log_mask" "$N" |
| 228 | append "$var" "logger_syslog_level=$log_level" "$N" |
| 229 | append "$var" "logger_stdout=$log_mask" "$N" |
| 230 | append "$var" "logger_stdout_level=$log_level" "$N" |
| 231 | } |
| 232 | |
| 233 | hostapd_setup_vif() { |
| 234 | local vif="$1" |
| 235 | local driver="$2" |
| 236 | local ifname device channel hwmode |
| 237 | |
| 238 | hostapd_cfg= |
| 239 | |
| 240 | config_get ifname "$vif" ifname |
| 241 | config_get device "$vif" device |
| 242 | config_get channel "$device" channel |
| 243 | config_get hwmode "$device" hwmode |
| 244 | |
| 245 | hostapd_set_log_options hostapd_cfg "$device" |
| 246 | hostapd_set_bss_options hostapd_cfg "$vif" |
| 247 | |
| 248 | case "$hwmode" in |
| 249 | *bg|*gdt|*gst|*fh) hwmode=g;; |
| 250 | *adt|*ast) hwmode=a;; |
| 251 | esac |
| 252 | [ "$channel" = auto ] && channel= |
| 253 | [ -n "$channel" -a -z "$hwmode" ] && wifi_fixup_hwmode "$device" |
| 254 | cat > /var/run/hostapd-$ifname.conf <<EOF |
| 255 | driver=$driver |
| 256 | interface=$ifname |
| 257 | ${hwmode:+hw_mode=${hwmode#11}} |
| 258 | ${channel:+channel=$channel} |
| 259 | $hostapd_cfg |
| 260 | EOF |
| 261 | hostapd -P /var/run/wifi-$ifname.pid -B /var/run/hostapd-$ifname.conf |
| 262 | } |
| 263 | |
| 264 | |
