diff --git a/src/backends/backends.js b/src/backends/backends.js
index a98b042..1830183 100644
--- a/src/backends/backends.js
+++ b/src/backends/backends.js
@@ -183,7 +183,7 @@ class USER_BACKEND extends BACKEND {
 	 * @param {{id: string, realm: string}} user
 	 * @param {{id: string}} group
 	 * @param {Object} params authentication params, usually req.cookies
-	* @returns {AtomicChange} atomic change object
+	 * @returns {AtomicChange} atomic change object
 	 */
 	delUserFromGroup (user, group, params) {}
 }
@@ -191,7 +191,72 @@ class USER_BACKEND extends BACKEND {
 /**
  * Interface for proxmox api backends.
  */
-export class PVE_BACKEND extends BACKEND {}
+export class PVE_BACKEND extends BACKEND {
+	/**
+	 * Get and return node data.
+	 * Returns the node data or null if the node does not exist.
+	 * @param {string} node node id
+	 * @returns {}
+	 */
+	getNode (node) {}
+
+	/**
+	 * Send a signal to synchronize a node after some change has been made.
+	 * * @param {string} node node id
+	 */
+	syncNode (node) {}
+
+	/**
+	 * Get and return instance data.
+	 * Returns the instance data or null if the instance does not exist.
+	 * @param {string} node node id
+	 * @param {string} type instance type
+	 * @param {string} vmid instance id
+	 */
+	getInstance (node, type, instance) {}
+
+	/**
+	 * Send a signal to synchronize an instance after some change has been made.
+	 * @param {string} node node id
+	 * @param {string} instance instance id
+	 */
+	syncInstance (node, instance) {}
+
+	/**
+	 * Get meta data for a specific disk. Adds info that is not normally available in a instance's config.
+	 * @param {string} node containing the query disk.
+	 * @param {string} instance with query disk.
+	 * @param {string} disk name of the query disk, ie. sata0.
+	 * @returns {Objetc} k-v pairs of specific disk data, including storage and size of unused disks.
+	 */
+	async getDisk (node, instance, disk) {}
+
+	/**
+	 * Get meta data for a specific net. Adds info that is not normally available in a instance's config.
+	 * @param {string} node containing the query net.
+	 * @param {string} instance with query net.
+	 * @param {string} netid id number of the query net, ie. 0 -> net0.
+	 * @returns {Objetc} k-v pairs of specific net data, including rate and vlan.
+	 */
+	async getNet (node, instance, netid) {}
+
+	/**
+	 * Get meta data for a specific device. Adds info that is not normally available in a instance's config.
+	 * @param {string} node containing the query device.
+	 * @param {string} instance with query device.
+	 * @param {string} deviceid id number of the query device, ie. 0 -> pci0.
+	 * @returns {Objetc} k-v pairs of specific device data, including name and manfacturer.
+	 */
+	async getDevice (node, instance, deviceid) {}
+
+	/**
+	 * Get user resource data including used, available, and maximum resources.
+	 * @param {{id: string, realm: string}} user object of user to get resource data.
+	 * @param {Object} cookies object containing k-v store of cookies
+	 * @returns {{used: Object, avail: Object, max: Object, resources: Object}} used, available, maximum, and resource metadata for the specified user.
+	 */
+	getUserResources (user, cookies) {}
+}
 
 /**
  * Interface for user database backends.
@@ -216,7 +281,12 @@ class USER_BACKEND_MANAGER extends USER_BACKEND {
 	}
 
 	getBackendsByUser (user) {
-		return this.#config.realm[user.realm];
+		if (user != null) {
+			return this.#config.realm[user.realm];
+		}
+		else {
+			return null;
+		}
 	}
 
 	addUser (user, attributes, params) {}
diff --git a/src/backends/pve.js b/src/backends/pve.js
index 5481cb9..6af5230 100644
--- a/src/backends/pve.js
+++ b/src/backends/pve.js
@@ -74,11 +74,22 @@ export default class PVE extends PVE_BACKEND {
 			const token = this.#pveAPIToken;
 			content.headers.Authorization = `PVEAPIToken=${token.user}@${token.realm}!${token.id}=${token.uuid}`;
 		}
+		else if (auth && auth.root) {
+			const rootauth = await global.pve.requestPVE("/access/ticket", "POST", null, this.#pveRoot);
+			if (!(rootauth.status === 200)) {
+				return rootauth.response;
+			}
+			const rootcookie = rootauth.data.data.ticket;
+			const rootcsrf = rootauth.data.data.CSRFPreventionToken;
+			content.headers.CSRFPreventionToken = rootcsrf;
+			content.headers.Cookie = `PVEAuthCookie=${rootcookie}; CSRFPreventionToken=${rootcsrf}`;
+		}
 
 		try {
 			return await axios.request(url, content);
 		}
 		catch (error) {
+			console.log(`backends: error ocuured in pve.requestPVE: ${error}`);
 			return error.response;
 		}
 	}
@@ -125,66 +136,6 @@ export default class PVE extends PVE_BACKEND {
 		}
 	}
 
-	/**
-	 * Get meta data for a specific pci device. Adds info that is not normally available in a instance's config.
-	 * @param {string} node containing the query device.
-	 * @param {string} qid pci bus id number of the query device, ie. 89ab:cd:ef.0.
-	 * @returns {Object} k-v pairs of specific device data, including device name and manufacturer.
-	 */
-	async getDeviceInfo (node, qid) {
-		try {
-			const result = (await this.requestPVE(`/nodes/${node}/hardware/pci`, "GET", { token: true })).data.data;
-			const deviceData = [];
-			result.forEach((element) => {
-				if (element.id.startsWith(qid)) {
-					deviceData.push(element);
-				}
-			});
-			deviceData.sort((a, b) => {
-				return a.id < b.id;
-			});
-			const device = deviceData[0];
-			device.subfn = structuredClone(deviceData.slice(1));
-			return device;
-		}
-		catch {
-			return null;
-		}
-	}
-
-	/**
-	 * Get available devices on specific node.
-	 * @param {string} node to get devices from.
-	 * @returns {Array.<Object>} array of k-v pairs of specific device data, including device name and manufacturer, which are available on the specified node.
-	 */
-	async getNodeAvailDevices (node) {
-		// get node pci devices
-		let nodeAvailPci = this.requestPVE(`/nodes/${node}/hardware/pci`, "GET", { token: true });
-		// for each node container, get its config and remove devices which are already used
-		const vms = (await this.requestPVE(`/nodes/${node}/qemu`, "GET", { token: true })).data.data;
-
-		const promises = [];
-		for (const vm of vms) {
-			promises.push(this.requestPVE(`/nodes/${node}/qemu/${vm.vmid}/config`, "GET", { token: true }));
-		}
-		const configs = await Promise.all(promises);
-		configs.forEach((e, i) => {
-			configs[i] = e.data.data;
-		});
-
-		nodeAvailPci = (await nodeAvailPci).data.data;
-
-		for (const config of configs) {
-			Object.keys(config).forEach((key) => {
-				if (key.startsWith("hostpci")) {
-					const deviceID = config[key].split(",")[0];
-					nodeAvailPci = nodeAvailPci.filter(element => !element.id.includes(deviceID));
-				}
-			});
-		}
-		return nodeAvailPci;
-	}
-
 	/**
 	 * Send HTTP request to PAAS Fabric
 	 * @param {string} path HTTP path, prepended with the proxmox API base url.
@@ -220,7 +171,7 @@ export default class PVE extends PVE_BACKEND {
 			return null;
 		}
 
-		return res.data.instance;
+		return res.data.node;
 	}
 
 	async syncNode (node) {
@@ -241,13 +192,6 @@ export default class PVE extends PVE_BACKEND {
 		this.requestFabric(`/nodes/${node}/instances/${vmid}/sync`, "POST");
 	}
 
-	/**
-	 * Get meta data for a specific disk. Adds info that is not normally available in a instance's config.
-	 * @param {string} node containing the query disk.
-	 * @param {string} instance with query disk.
-	 * @param {string} disk name of the query disk, ie. sata0.
-	 * @returns {Objetc} k-v pairs of specific disk data, including storage and size of unused disks.
-	 */
 	async getDisk (node, instance, disk) {
 		const config = await this.getInstance(node, instance);
 		if (config != null && config.volumes[disk] != null) {
@@ -258,6 +202,26 @@ export default class PVE extends PVE_BACKEND {
 		}
 	}
 
+	async getNet (node, instance, netid) {
+		const config = await this.getInstance(node, instance);
+		if (config != null && config.nets[netid] != null) {
+			return config.nets[netid];
+		}
+		else {
+			return null;
+		}
+	}
+
+	async getDevice (node, instance, deviceid) {
+		const config = await this.getInstance(node, instance);
+		if (config != null && config.devices[deviceid] != null) {
+			return config.devices[deviceid];
+		}
+		else {
+			return null;
+		}
+	}
+
 	async getUserResources (user, cookies) {
 		// get user resources with vm filter
 		const res = await this.requestPVE("/cluster/resources?type=vm", "GET", { cookies });
diff --git a/src/utils.js b/src/utils.js
index f4bf4a2..d8026f9 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -188,12 +188,8 @@ export async function getUserResources (req, user) {
 		// count pci device resources in devices
 		for (const deviceid in config.devices) {
 			const device = config.devices[deviceid];
-			let name = "";
-			for (const subsystemid in device) {
-				const subsystem = device[subsystemid];
-				name += `${subsystem.device_name}:${subsystem.subsystem_device_name},`;
-			}
-
+			const name = device.device_name;
+			// if the node has a node specific rule, add it there
 			if (nodeName in userResources.pci.nodes) {
 				const index = userResources.pci.nodes[nodeName].findIndex((availEelement) => name.includes(availEelement.match));
 				if (index >= 0) {
@@ -209,6 +205,7 @@ export async function getUserResources (req, user) {
 					userResources.pci.global[index].avail--;
 				}
 			}
+			// finally, add the device to the total map
 			const index = userResources.pci.total.findIndex((availEelement) => name.includes(availEelement.match));
 			if (index >= 0) {
 				userResources.pci.total[index].used++;