| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | #!/bin/sh |
| 2 | . /lib/functions.sh |
| 3 | |
| 4 | lookup_macaddr() { |
| 5 | local found=0 |
| 6 | |
| 7 | __lookup_macaddr() { |
| 8 | config_get macaddr $1 macaddr |
| 9 | [ -n "$macaddr" ] && found=1 |
| 10 | } |
| 11 | |
| 12 | config_load wireless |
| 13 | config_foreach __lookup_macaddr wifi-iface |
| 14 | return $found |
| 15 | } |
| 16 | |
| 17 | # |
| 18 | # Set the MAC address from MRD, if not exist generate |
| 19 | # randomly and save it |
| 20 | # |
| 21 | set_wifi_if_mac() { |
| 22 | local _ifname rootif save_name gen_mac |
| 23 | |
| 24 | config_get _ifname $1 ifname |
| 25 | case $_ifname in |
| 26 | *-vxd) |
| 27 | # VXD use same macaddr from root interface |
| 28 | rootif=${_ifname%-vxd*} |
| 29 | rootif=s_${rootif//[^0-9,a-z,A-Z]/_} |
| 30 | eval wifimac=\${wifimac_${rootif}} |
| 31 | gen_mac=1 |
| 32 | ;; |
| 33 | *-va[0-9]) |
| 34 | # VA generate mac from root interface |
| 35 | rootif=${_ifname%-va*} |
| 36 | rootif=s_${rootif//[^0-9,a-z,A-Z]/_} |
| 37 | eval wifimac=\${wifimac_${rootif}} |
| 38 | wifimac=${wifimac%:*} |
| 39 | wifimac=${wifimac}:`eval $RANDOM` |
| 40 | gen_mac=1 |
| 41 | ;; |
| 42 | *) |
| 43 | gen_mac=0 |
| 44 | wifimac= |
| 45 | ;; |
| 46 | esac |
| 47 | |
| 48 | # variable name should not has "-", make a change here |
| 49 | save_name=s_${_ifname//[^0-9,a-z,A-Z]/_} |
| 50 | [ -n "$wifimac_left" -a "$gen_mac" == "0" ] && { |
| 51 | eval wifimac=\${wifimac_${save_name}} |
| 52 | if [ "$wifimac" == "" ]; then |
| 53 | wifimac_left=$(echo ${wifimac_left} | sed 's/^[ \t]*//g') |
| 54 | wifimac_left=$(echo ${wifimac_left} | sed 's/[ \t]*$//g') |
| 55 | wifimac=${wifimac_left%% *} |
| 56 | wifimac_left=${wifimac_left}" " |
| 57 | wifimac_left=${wifimac_left#* } |
| 58 | eval wifimac_${save_name}=\${wifimac} |
| 59 | else |
| 60 | wifimac=${wifimac%:*} |
| 61 | wifimac=${wifimac}:`eval $RANDOM` |
| 62 | fi |
| 63 | } |
| 64 | |
| 65 | [ -z "$wifimac" ] && { |
| 66 | eval wifimac=\${wifimac_${save_name}} |
| 67 | if [ "$wifimac" == "" ]; then |
| 68 | wifimac=00:`eval $RANDOM`:`eval $RANDOM`:`eval $RANDOM`:`eval $RANDOM`:`eval $RANDOM` |
| 69 | eval wifimac_${save_name}=\${wifimac} |
| 70 | else |
| 71 | wifimac=${wifimac%:*} |
| 72 | wifimac=${wifimac}:`eval $RANDOM` |
| 73 | fi |
| 74 | echo "$wifimac_file not exist, create it with random address: $wifimac" |
| 75 | } |
| 76 | |
| 77 | uci_set wireless_tmp $1 macaddr $wifimac |
| 78 | } |
| 79 | |
| 80 | wlan_fixup_wifi_iface() { |
| 81 | local wifimac_file="/NVM/wifi_addr" |
| 82 | |
| 83 | __wlan_fixup_wifi_iface() { |
| 84 | local _ssid _macaddr |
| 85 | |
| 86 | config_get mode $1 mode |
| 87 | config_get ssid $1 ssid |
| 88 | |
| 89 | set_wifi_if_mac $1 |
| 90 | [ "$mode" == "ap" ] && { |
| 91 | FILTER_MAC="echo \$wifimac | sed 's/://g'" |
| 92 | _macaddr=`eval ${FILTER_MAC}` |
| 93 | _macaddr=${_macaddr:8:4} |
| 94 | _ssid=${ssid%%#[0-9,a-f][0-9,a-f][0-9,a-f][0-9,a-f]}#${_macaddr} |
| 95 | uci_set wireless_tmp $1 ssid $_ssid |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | wifimac_left=`cat $wifimac_file 2>/dev/null` |
| 100 | RANDOM="head /dev/urandom | tr -dc "0123456789abcdef" | head -c2" |
| 101 | |
| 102 | config_load wireless_tmp |
| 103 | config_foreach __wlan_fixup_wifi_iface wifi-iface |
| 104 | uci_commit wireless_tmp |
| 105 | } |
| 106 | |
| 107 | [ -s /etc/config/wireless ] || return 1 |
| 108 | lookup_macaddr || return 1 |
| 109 | |
| 110 | # Load AP_MRD before |
| 111 | /bin/mrdloader |
| 112 | |
| 113 | UCI_CONFIG_DIR=/var/uci_conf |
| 114 | mkdir -p $UCI_CONFIG_DIR |
| 115 | cp /etc/config/wireless $UCI_CONFIG_DIR/wireless_tmp |
| 116 | wlan_fixup_wifi_iface |
| 117 | mv $UCI_CONFIG_DIR/wireless_tmp /etc/config/wireless |
| 118 | rm -f /var/.uci/wireless_tmp |
| 119 | rm -rf $UCI_CONFIG_DIR |
| 120 | UCI_CONFIG_DIR= |
| 121 | return 1 |