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sdk:wifimodechanger [2018/04/09 16:39] (current)
juraschek created
Line 1: Line 1:
 +<code c wifimodechanger.are>​
 +### Change Wifi mode if AP is available
  
 +
 +## Variable that hold the configs for both WLAN Modes
 +ClientConfig="";​
 +ApConfig="";​
 +nextWlanMode="​access-point";​ // defines if we change to Client Mode or AP Mode
 +
 +
 +IFC = "​WLAN1";​
 +homeNetwork = "​NMFFM";​
 +MIN_SIGNAL = -110;
 +
 +
 +ApConfig=sprintf("​%s %s",​ApConfig,"​wlan.0.status=1"​);​
 +ApConfig=sprintf("​%s %s",​ApConfig,"​wlan.0.mode=access-point"​);​
 +ApConfig=sprintf("​%s %s",​ApConfig,"​wlan.0.regdom=DE"​);​
 +ApConfig=sprintf("​%s %s",​ApConfig,"​wlan.0.settings.channel=1"​);​
 +ApConfig=sprintf("​%s %s",​ApConfig,"​wlan.0.vss.0.status=1"​);​
 +ApConfig=sprintf("​%s %s",​ApConfig,"​wlan.0.vss.0.ssid=NB1600"​);​
 +ApConfig=sprintf("​%s %s",​ApConfig,"​wlan.0.vss.0.secmode=wpa-psk"​);​
 +ApConfig=sprintf("​%s %s",​ApConfig,"​wlan.0.vss.0.psk=passwortpasswort"​);​
 +ApConfig=sprintf("​%s %s",​ApConfig,"​network.wlan.0.mode=routed"​);​
 +ApConfig=sprintf("​%s %s",​ApConfig,"​network.wlan.0.address=192.168.200.1"​);​
 +ApConfig=sprintf("​%s %s",​ApConfig,"​network.wlan.0.netmask=255.255.255.0"​);​
 +ApConfig=sprintf("​%s %s",​ApConfig,"​network.dhcp.200.mode=1"​);​
 +ApConfig=sprintf("​%s %s",​ApConfig,"​network.dhcp.200.start=192.168.200.100"​);​
 +ApConfig=sprintf("​%s %s",​ApConfig,"​network.dhcp.200.end=192.168.200.199"​);​
 +ApConfig=sprintf("​%s %s",​ApConfig,"​network.dhcp.200.ttl=7200"​);​
 +ApConfig=sprintf("​%s %s",​ApConfig,"​network.wlan.0.brdev="​);​
 +
 +
 +ClientConfig=sprintf("​%s %s",​ClientConfig,"​wlan.0.status=1"​);​
 +ClientConfig=sprintf("​%s %s",​ClientConfig,"​wlan.0.mode=client"​);​
 +ClientConfig=sprintf("​%s %s",​ClientConfig,"​wlan.0.regdom=DE"​);​
 +ClientConfig=sprintf("​%s %s",​ClientConfig,"​wlan.0.settings.channel=1"​);​
 +ClientConfig=sprintf("​%s %s",​ClientConfig,"​wlan.0.client.0.ssid=NMFFM"​);​
 +ClientConfig=sprintf("​%s %s",​ClientConfig,"​wlan.0.client.0.secmode=wpa-psk"​);​
 +ClientConfig=sprintf("​%s %s",​ClientConfig,"​wlan.0.client.0.secproto=wpa2"​);​
 +ClientConfig=sprintf("​%s %s",​ClientConfig,"​wlan.0.client.0.cipher=ccmp"​);​
 +ClientConfig=sprintf("​%s %s",​ClientConfig,"​wlan.0.client.0.psk=passwortpasswort"​);​
 +ClientConfig=sprintf("​%s %s",​ClientConfig,"​wlan.0.client.0.minsst=-100"​);​
 +ClientConfig=sprintf("​%s %s",​ClientConfig,"​wlan.0.client.0.prio=10"​);​
 +ClientConfig=sprintf("​%s %s",​ClientConfig,"​network.wlan.0.mode=static"​);​
 +ClientConfig=sprintf("​%s %s",​ClientConfig,"​network.wlan.0.address=172.31.64.242"​);​
 +ClientConfig=sprintf("​%s %s",​ClientConfig,"​network.wlan.0.netmask=255.255.255.0"​);​
 +
 +
 +
 +currentWlanMode=nb_config_get("​wlan.0.mode"​);​
 +
 +
 +
 +/* ATTENTION: Scanning for WLAN networks will tear down any running access-point */
 +nets = nb_scan_networks(IFC);​
 +nr_nets = struct_get(nets,​ "​NETWORK_COUNT"​);​
 +
 +if (is_void(nr_nets) || nr_nets < 1) {
 +    nb_syslog("​no networks found on %s", IFC);
 +    exit(0);
 +}
 +
 +/* lookup WLAN networks */
 +for (i = 1; i <= nr_nets; i++) {
 +    k = sprintf("​NETWORK%d_SSID",​ i);
 +    ssid = struct_get(nets,​ k);
 +    k = sprintf("​NETWORK%d_SIGNAL",​ i);    ​
 +    signal = (int)struct_get(nets,​ k);
 +
 +    if (strlen(ssid) == 0) continue;
 +
 +    nb_syslog("​detected %s network '​%s'​ (signal %d)", IFC, ssid, signal);
 +
 +    if ((ssid == homeNetwork) && signal > MIN_SIGNAL) {
 +        nextWlanMode="​client";​
 +        break;
 +    }
 +}
 +
 +
 +if (nextWlanMode == "​client"​ && currentWlanMode != "​client"​ ) {
 +    nb_syslog("​activating client mode for SSID %s", IFC, homeNetwork);​
 +    nb_config_set(ClientConfig);​
 +}
 +
 +if (nextWlanMode == "​access-point"​ && currentWlanMode != "​access-point"​ ) {
 +    nb_syslog("​activating access point mode"​);​
 +    nb_config_set(ApConfig);​
 +}
 +
 +exit(0);
 +
 +
 +
 +</​code>​