unet-cli: add support for importing networks from signed data

This can be used to edit existing networks on the device when the key is
generated from a seed password.

Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/scripts/unet-cli b/scripts/unet-cli
index 600c33216c4655500f940723567b691a84b47366..970caaade315eb55c9beba5bb55367331d993a20 100755 (executable)
--- a/scripts/unet-cli
+++ b/scripts/unet-cli
@@ -314,7 +314,12 @@ while (substr(ARGV[0], 0, 1) == "-") {
                exit(usage());
 }
 
-let hostname, ssh_host, servicename;
+let import_file, hostname, ssh_host, servicename;
+
+if (command == "import") {
+       import_file = shift(ARGV);
+       assert(import_file, "Missing import file argument");
+}
 
 if (command in [ "add-host", "set-host", "add-ssh-host", "set-ssh-host" ]) {
        hostname = shift(ARGV);
@@ -340,6 +345,16 @@ if (command in [ "add-ssh-host", "set-ssh-host" ]) {
 
 let net_data;
 
+if (command == "import") {
+       if (!access(import_file) &&
+           index(import_file, "/") < 0)
+               import_file = "/etc/unetd/" + import_file + ".bin";
+
+       assert(access(import_file), "Invalid import file name");
+       if (system(`${unet_tool} -b ${import_file} -T -o ${file}`))
+               exit(1);
+}
+
 if (command == "create") {
        net_data = {
                config: {},
@@ -380,6 +395,8 @@ if (command == "sign") {
 }
 
 switch (command) {
+case 'import':
+       break;
 case 'create':
 case 'set-config':
        set_fields(net_data.config, {