WIP

image_builder/image_builder.py

@@ -374,6 +374,17 @@ def build_image():
     run_command(f"cp -r {KERNEL_VERSION_NAME} "
                 f"{ROOTFS_MOUNT}/lib/modules/{KERNEL_VERSION_NAME}")
 
+    print("Write polkit override, so Link can modify wifi settings")
+    nm_rule_path = join(BUILDER_DATA_PATH, "01-prusalink-nm.rules")
+    polkit_rules = join(ROOTFS_MOUNT, "etc/polkit-1/rules.d/")
+    run_command(f"cp {nm_rule_path} {polkit_rules}")
+
+    print("Write dnsmasq ap0 settings")
+    nm_dnsmasq_path = join(BUILDER_DATA_PATH, "ap0-dnsmasq.conf")
+    dnsmasq_shared_path = join(ROOTFS_MOUNT,
+                               "etc/NetworkManager/dnsmasq-shared.d/")
+    run_command(f"cp {nm_dnsmasq_path} {dnsmasq_shared_path}")
+
     config_txt_path = join(BOOTFS_MOUNT, "config.txt")
     with open(config_txt_path, "a", encoding="utf-8") as config_txt:
         config_txt.write("dtoverlay=disable-bt\n")

prusa/link/data/image_builder/01-prusalink-nm.rules

@@ -0,0 +1,6 @@
+polkit.addRule(function(action, subject) {
+    if (action.id.match("org.freedesktop.NetworkManager") &&
+        (subject.isInGroup("sudo") || subject.isInGroup("netdev"))) {
+        return polkit.Result.YES;
+    }
+});

prusa/link/data/image_builder/add-ap0.service-template

@@ -0,0 +1,15 @@
+[Unit]
+Description=Add ap0 interface
+Requires=sys-subsystem-net-devices-wlan0.device
+Before=dhcpcd.service
+Before=wpa_supplicant.service
+Restart=on-failure
+StartLimitIntervalSec=1
+StartLimitBurst=5
+
+[Service]
+Type=oneshot
+ExecStart=/usr/sbin/iw dev {device} interface add ap0 type __ap
+
+[Install]
+WantedBy=multi-user.target

prusa/link/data/image_builder/ap0-dnsmasq.conf

@@ -0,0 +1,19 @@
+# Disable DNS server functionality
+port=0
+
+# Specify the interface
+interface=ap0
+
+# Define the range of IP addresses that will be handed out by the DHCP server
+dhcp-range=172.16.188.100,172.16.188.200,255.255.255.0,43200
+
+# Set the default gateway (note that this is a 'dummy' gateway as per your requ>
+dhcp-option=option:router,172.16.188.1
+
+# Set the lease time (you can adjust this as needed)
+dhcp-leasefile=/var/lib/misc/dnsmasq.leases
+dhcp-lease-max=150
+
+# Disable DNS server functionality
+no-resolv
+no-hosts

prusa/link/data/image_builder/manager-start-script.sh

@@ -1,6 +1,7 @@
 # Forward the port 80 to 8080 even on the loopback, so we van ping ourselves
 iptables -t nat -A PREROUTING -i wlan0 -p tcp --dport 80 -j REDIRECT --to-port 8080
 iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080
+iptables -t nat -A PREROUTING -i ap0 -p tcp --dport 80 -j REDIRECT --to-port 8080
 iptables -t nat -I OUTPUT -p tcp -o lo -d localhost --dport 80 -j REDIRECT --to-ports 8080
 
 set_up_port () {

prusa/link/data/image_builder/prusalink-start-script.sh

@@ -1,6 +1,7 @@
 # Forward the port 80 to 8080 even on the loopback, so we van ping ourselves
 iptables -t nat -A PREROUTING -i wlan0 -p tcp --dport 80 -j REDIRECT --to-port 8080
 iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080
+iptables -t nat -A PREROUTING -i ap0 -p tcp --dport 80 -j REDIRECT --to-port 8080
 iptables -t nat -I OUTPUT -p tcp -o lo -d localhost --dport 80 -j REDIRECT --to-ports 8080
 
 set_up_port () {