renderer: add ssid purpose support

This allow us to use pre-defined BSS settings

Signed-off-by: John Crispin <john@phrozen.org>

renderer/templates/interface/ssid.uc

@@ -1,4 +1,45 @@
 {%
+	let purpose = {
+		"onboarding-ap": {
+			"name": "OpenWifi-onboarding",
+			"hidden_ssid": true,
+			"isolate_clients": true,
+			"wifi_bands": [
+				"2G"
+			],
+			"bss_mode": "ap",
+			"encryption": {
+				"proto": "wpa2",
+				"ieee80211w": "required"
+			},
+			"certificates": {
+				"use_local_certificates": true
+			},
+			"radius": {
+				"local": {
+					"server-identity": "uCentral-EAP"
+				}
+			}
+		},
+		"onboarding-sta": {
+			"name": "OpenWifi-onboarding",
+			"wifi_bands": [
+				"2G"
+			],
+			"bss_mode": "sta",
+			"encryption": {
+				"proto": "wpa2",
+				"ieee80211w": "required"
+			},
+			"certificates": {
+				"use_local_certificates": true
+			}
+		}
+	};
+
+	if (purpose[ssid.purpose])
+		ssid = purpose[ssid.purpose];
+
 	let phys = [];
 
 	for (let band in ssid.wifi_bands)

renderer/ucentral.uc

@@ -60,7 +60,7 @@ try {
 		fs.symlink(ARGV[2], '/etc/ucentral/ucentral.active');
 
 		set_service_state(true);
-		if (split(old_config, ".")[1] == "/etc/ucentral/ucentral")
+		if (old_config && split(old_config, ".")[1] == "/etc/ucentral/ucentral")
 			fs.unlink(old_config);
 	} else {
 		error = 1;

schema/interface.ssid.yml

@@ -3,6 +3,16 @@ description:
   These properties are described inside this object.
 type: object
 properties:
+  purpose:
+    description:
+      An SSID can have a special purpose such as the hidden on-boarding BSS.
+      All purposes other than "user-defined" are static pre-defined configurations.
+    type: string
+    enum:
+    - user-defined
+    - onboarding-ap
+    - onboarding-sta
+    default: user-defined
   name:
     description:
       The broadcasted SSID of the wireless network and for for managed mode

schemareader.uc

@@ -2597,6 +2597,23 @@ function instantiateInterfaceSsid(location, value, errors) {
 	if (type(value) == "object") {
 		let obj = {};
 
+		function parsePurpose(location, value, errors) {
+			if (type(value) != "string")
+				push(errors, [ location, "must be of type string" ]);
+
+			if (!(value in [ "user-defined", "onboarding-ap", "onboarding-sta" ]))
+				push(errors, [ location, "must be one of \"user-defined\", \"onboarding-ap\" or \"onboarding-sta\"" ]);
+
+			return value;
+		}
+
+		if (exists(value, "purpose")) {
+			obj.purpose = parsePurpose(location + "/purpose", value["purpose"], errors);
+		}
+		else {
+			obj.purpose = "user-defined";
+		}
+
 		function parseName(location, value, errors) {
 			if (type(value) == "string") {
 				if (length(value) > 32)

ucentral.schema.json

@@ -1036,6 +1036,15 @@
         "interface.ssid": {
             "type": "object",
             "properties": {
+                "purpose": {
+                    "type": "string",
+                    "enum": [
+                        "user-defined",
+                        "onboarding-ap",
+                        "onboarding-sta"
+                    ],
+                    "default": "user-defined"
+                },
                 "name": {
                     "type": "string",
                     "maxLength": 32,