From b5c249995f9baa4d6b5ca14fce95d979ac39ca4a Mon Sep 17 00:00:00 2001
From: chriz <chriz@MOBILE3>
Date: Mon, 26 Jan 2026 20:40:30 +0100
Subject: [PATCH] Add startup config editor.

---
 html/config       |  1 -
 html/config.js    |  3 ++-
 html/system.html  |  5 +++++
 html/system.js    | 42 ++++++++++++++++++++++++++++----------
 httpd/page_impl.c | 51 ++++++++++++++++++++++++++++++++---------------
 5 files changed, 74 insertions(+), 28 deletions(-)
 delete mode 120000 html/config

diff --git a/html/config b/html/config
deleted file mode 120000
index f1a6cc6..0000000
--- a/html/config
+++ /dev/null
@@ -1 +0,0 @@
-../config.txt
\ No newline at end of file
diff --git a/html/config.js b/html/config.js
index 2d48021..0cb4bf1 100644
--- a/html/config.js
+++ b/html/config.js
@@ -49,7 +49,8 @@ async function fetchCmdLog() {
     console.log("CMD-Log: ", response);
     const t = await response.text();
     return t;
-  } catch(error) {
+  } catch(err) {
     console.error("Error: ", err);
+    return "";
   }
 }
diff --git a/html/system.html b/html/system.html
index 57e6a74..749cd5f 100644
--- a/html/system.html
+++ b/html/system.html
@@ -24,6 +24,11 @@
     <br/><br/>
     When updating the above settings, remember to point your browser to the new IP afterwards:<br/>
     <input style="width:40%;" class="action" id="ip_sub" onclick="ipSub();" type="button" value="Update Settings"><br/>
+    <br/>
+    <div class="lcol"> <label for="ip">Startup configuration:</label></div>
+    <textarea id="config_display" rows="8" cols="60"></textarea>
+    <br/>
+    <input style="width:40%;" class="action" id="clear_config" onclick="clearConfig();" type="button" value="Clear Config">
     <br/><br/>
     Save all current settings to Flash:<br/>
     <input style="width:40%;" class="action" id="flash_sub" onclick="flashSave();" type="button" value="Save Settings to Flash">
diff --git a/html/system.js b/html/system.js
index 50beec5..69741b4 100644
--- a/html/system.js
+++ b/html/system.js
@@ -43,16 +43,27 @@ async function sendConfig(c) {
 }
 
 async function flashSave() {
-  fetchConfig().then((s) => {
-    parseConf(s);
-    fetchCmdLog().then((s) => {
-      parseConf(s);
-      var body = "";
-      for (const x of configuration) { body = body + x + "\n"; }
-      console.log("CONFIGURATION to save: ", body);
-      sendConfig(body);
-    });
-  });
+  var configContent = document.getElementById("config_display").value;
+  console.log("CONFIGURATION to save: ", configContent);
+  sendConfig(configContent);
+}
+
+function clearConfig() {
+  document.getElementById("config_display").value = "";
+  
+  // Validate and populate with current IP settings
+  for (let i=0; i<3; i++) {
+    if (!checkIp(document.getElementById(ips[i]).value))
+      return;
+  }
+  
+  var configLines = "";
+  for (let i=0; i<3; i++){
+    var cmd = ips[i]+' '+document.getElementById(ips[i]).value;
+    configLines += cmd + "\n";
+  }
+  
+  document.getElementById("config_display").value = configLines;
 }
 
 function fetchIP() {
@@ -65,6 +76,17 @@ function fetchIP() {
       document.getElementById("netmask").value=s.ip_netmask;
       document.getElementById("gw").value=s.ip_gateway;
       clearInterval(systemInterval);
+      // Fetch and populate the config textbox
+      fetchConfig().then((configText) => {
+        let fullConfig = configText;
+        // Fetch and append cmd_log
+        return fetchCmdLog().then((cmdLogText) => {
+          if (cmdLogText) {
+            fullConfig = fullConfig + cmdLogText;
+          }
+          document.getElementById("config_display").value = fullConfig;
+        });
+      });
     }
   }
   xhttp.open("GET", `/information.json`, true);
diff --git a/httpd/page_impl.c b/httpd/page_impl.c
index 2362a00..b56cc29 100644
--- a/httpd/page_impl.c
+++ b/httpd/page_impl.c
@@ -664,26 +664,45 @@ void send_status(void)
 void send_config(void)
 {
 	dbg_string("send_config called\n");
-	__xdata uint32_t pos = CONFIG_START; // 70000 , 6c000 / 0xc000 = 9
-
-	extern __xdata uint16_t len_left = CONFIG_LEN;
+	__xdata uint32_t pos = CONFIG_START;
+	__xdata uint16_t valid_len = 0;
+	__xdata uint16_t len_left = CONFIG_LEN;
+	__xdata uint8_t flash_buf[256];
+	
 	slen = strtox(outbuf, HTTP_RESPONCE_TXT);
-	while (read_flash((CONFIG_START-CODE0_SIZE) / CODE_BANK_SIZE + 1,
-		(__code uint8_t *) (((CONFIG_START + len_left - CODE0_SIZE) % CODE_BANK_SIZE) + CODE0_SIZE + len_left)) == 0xff) {
-		dbg_short(len_left);
-		len_left--;
-	}
-	len_left++;
-
-	if (len_left > (TCP_OUTBUF_SIZE - slen)) {
-		cont_len = len_left - (TCP_OUTBUF_SIZE - slen);
-		len_left = TCP_OUTBUF_SIZE - slen;
-		cont_addr = len_left;
+	
+	// Scan through config to find the end of valid data (null terminator)
+	do {
+		flash_region.addr = pos;
+		flash_region.len = (len_left > 256) ? 256 : len_left;
+		flash_read_bulk(flash_buf);
+		
+		// Look for null terminator in this chunk
+		for (uint16_t i = 0; i < flash_region.len; i++) {
+			if (flash_buf[i] == 0) {
+				// Found end of valid data
+				valid_len += i;
+				goto found_end;
+			}
+		}
+		
+		valid_len += flash_region.len;
+		len_left -= flash_region.len;
+		pos += flash_region.len;
+	} while (len_left > 0);
+	
+found_end:
+	// Now send the valid data
+	if (valid_len > (TCP_OUTBUF_SIZE - slen)) {
+		cont_len = valid_len - (TCP_OUTBUF_SIZE - slen);
+		valid_len = TCP_OUTBUF_SIZE - slen;
+		cont_addr = valid_len;
 	}
+	
 	flash_region.addr = CONFIG_START;
-	flash_region.len = len_left;
+	flash_region.len = valid_len;
 	flash_read_bulk(outbuf + slen);
-	slen += len_left;
+	slen += valid_len;
 }
 
 void send_cmd_log(void)