From 9cc151165e77f0906e2e5ac593a7cc0c17af48f6 Mon Sep 17 00:00:00 2001
From: Paul White <paul@shasta.cloud>
Date: Sat, 9 Nov 2024 00:10:20 +0000
Subject: [PATCH] ucentral-schema: add udhcpc-vsi-parse script

Fixes: WIFI-14271
Signed-off-by: Paul White <paul@shasta.cloud>
---
 .../etc/udhcpc.user.d/udhcpc-vsi-parse.sh     |  3 ++
 .../usr/share/ucentral/udhcpc-vsi-parse.uc    | 49 +++++++++++++++++++
 2 files changed, 52 insertions(+)
 create mode 100644 feeds/ucentral/ucentral-schema/files/etc/udhcpc.user.d/udhcpc-vsi-parse.sh
 create mode 100755 feeds/ucentral/ucentral-schema/files/usr/share/ucentral/udhcpc-vsi-parse.uc

diff --git a/feeds/ucentral/ucentral-schema/files/etc/udhcpc.user.d/udhcpc-vsi-parse.sh b/feeds/ucentral/ucentral-schema/files/etc/udhcpc.user.d/udhcpc-vsi-parse.sh
new file mode 100644
index 000000000..00b43c9bd
--- /dev/null
+++ b/feeds/ucentral/ucentral-schema/files/etc/udhcpc.user.d/udhcpc-vsi-parse.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+/usr/share/ucentral/udhcpc-vsi-parse.uc "$@"
diff --git a/feeds/ucentral/ucentral-schema/files/usr/share/ucentral/udhcpc-vsi-parse.uc b/feeds/ucentral/ucentral-schema/files/usr/share/ucentral/udhcpc-vsi-parse.uc
new file mode 100755
index 000000000..f2055ed70
--- /dev/null
+++ b/feeds/ucentral/ucentral-schema/files/usr/share/ucentral/udhcpc-vsi-parse.uc
@@ -0,0 +1,49 @@
+#!/usr/bin/ucode
+
+let fs = require("fs");
+
+let cmd = ARGV[0];
+let ifname = getenv("interface");
+let vendor = getenv("vendor");
+let value = getenv("opt43");
+
+if (!ifname)
+        exit(0);
+
+if (!vendor)
+    vendor = "unknown";
+
+if (cmd == "deconfig" || !vendor || !value) {
+        // No VSI available
+        if (fs.stat("/tmp/udhcpc-vsi.json")) {
+                let f = fs.open("/tmp/udhcpc-vsi.json", "r");
+                let r_list = json(f.read('all'));
+                f.close();
+                if (type(r_list) == "object")
+                        vsi_list = r_list;
+
+                if (ifname in vsi_list) {
+                        delete vsi_list[ifname];
+                        if (length(vsi_list))
+                                fs.writefile("/tmp/udhcpc-vsi.json", vsi_list);
+                        else
+                                fs.unlink("/tmp/udhcpc-vsi.json");
+                }
+        }
+}
+else if (cmd == "bound") {
+    let vsi = { vendor, value };
+
+    let vsi_list = {};
+    if (fs.stat("/tmp/udhcpc-vsi.json")) {
+            let f = fs.open("/tmp/udhcpc-vsi.json", "r");
+            let r_list = json(f.read('all'));
+            f.close();
+            if (type(r_list) == "object")
+                    vsi_list = r_list;
+    }
+    vsi_list[ifname] = vsi;
+    fs.writefile("/tmp/udhcpc-vsi.json", vsi_list);
+}
+
+exit(0);