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authorSimone Bortolin <simonebortolin@users.noreply.github.com>2022-12-12 23:08:37 +0100
committerSimone Bortolin <simonebortolin@users.noreply.github.com>2022-12-19 23:09:27 +0100
commit2f1ade9723eaae158731263cebc26ca4b3bb89e0 (patch)
treece2d90ba70573babd8df575920b4f88726bf42c2 /_ont/ont-huawei-ma5671a-root-web.md
parentReplace the preboot uboot variable to unlock the stick with the correct one from the manufacturer (#43) (diff)
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+---
+title: Root Procedure for Huawei MA5671A (V3)
+has_children: false
+parent: Huawei MA5671A
+layout: default
+---
+
+# Root the stick
+
+Connect the SFP adapter to the TTL adapter according to the following diagram:
+
+| USB TTL (UART) Adapter | wire colour in picture | SFP 20pins Molex connector |
+| ---------------------- | ---------------------- | -------------------------- |
+| 3.3V | red | 3.3 (pin #15 and #16) |
+| TX | green | RX (pin #2) |
+| RX | blue | TX (pin #7) |
+| GND | black | GND (pin #14) |
+
+{% include image.html file="web-root-procedure\ttl-sfp.jpg" alt="Example of how the molex SFP - TTL connection should look like" caption="Example of how the molex SFP - TTL connection should look like" %}
+
+{% include image.html file="web-root-procedure\sfp-sfp.jpg" alt="Example of how the SFP - molex SFP connection should look like" caption="Example of how the SFP - molex SFP connection should look like" %}
+
+{% include alert.html content="Try PIN 10 or other GND PINs if the connection doesn't work with PIN 14." alert="Note" icon="svg-warning" color="yellow" %}
+
+{% include alert.html content="Some USB TTL adapters label TX and RX pins the other way around: try to swap them if the connection doesn't work." alert="Note" icon="svg-warning" color="yellow" %}
+
+Connect the TTL adapter to the computer, once done press the following button. A window will open that will execute the root.
+
+{: .text-center .fs-6 }
+<button id="start-button" class="btn btn-blue" data-toogle="modal" data-target="#root-modal" disabled>Start root!</button>
+
+<div id="browser-error" style="display:none">{% include alert.html content="This browser is not compatible with the web-root procedure. See the <a href='https://developer.mozilla.org/en-US/docs/Web/API/Web_Serial_API#browser_compatibility'>Browser compatibility</a>" alert="Note" icon="svg-warning" color="red" %}</div>
+<noscript>
+{% include alert.html content="Your browser does not support JavaScript!" alert="Note" icon="svg-warning" color="red" %}
+</noscript>
+
+
+# Connect to the stick via SSH
+
+After this is done, reboot the stick, after connecting it to the router via an ethernet mediaconverter or directly plug it in an SFP port, with the port's IP set to whatever IP of the `192.168.1.0/24` subnet (the stick has the IP `192.168.1.10`)
+
+{% include alert.html content="If your subnet is `192.168.1.0/24` make sure you have no ip conflicts." alert="Note" icon="svg-warning" color="yellow" %}
+
+{% include alert.html content="Make sure to disable SFP TX fault detection, otherwise the RX loss will prevent you from connecting to the mini SFP ONT at this point. Don't simply attach the fiber cable to work around this issue as the OLT may ban you." alert="Note" icon="svg-warning" color="yellow" %}
+
+{% include alert.html content="In media converters and on MikroTik it is not necessary to disable TX fault." alert="Info" icon="svg-info" color="blue" %}
+
+Run the terminal and login to the stick with ssh
+
+```shell
+ssh root@192.168.1.10
+```
+
+The password is `admin123`.
+
+{% include alert.html content="If you use a modern OpenSSH version (e.g. >= 8.8) you will have to enable some deprecated algorithms: `ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 -oHostKeyAlgorithms=+ssh-dss root@192.168.1.10`" alert="Info" icon="svg-info" color="blue" %}
+
+# Disable serial output
+
+If there is a need to not have the problem of SFP TX fault detection, it is possible to lock the serial (as the TX fault pin is used for serial and would be in a perpetual high state):
+
+```sh
+fw_setenv asc0 1
+fw_setenv preboot "gpio set 3;gpio input 100;gpio input 105;gpio input 106;gpio input 107;gpio input 108"
+```
+
+<div class="modal" data-modal="root-modal" data-modal-backdrop="static" id="root-modal">
+ <div class="modal-content">
+ <div class="modal-header">
+ <span class="close">&times;</span>
+ <h2>Root status</h2>
+ </div>
+ <div class="modal-body" style="display:flex">
+ <div class="animated" id="root-step-1" style="width:50%" >
+ <p>Step 1</p>
+ <svg version="1.1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 130.2 130.2">
+ <circle class="path circle" fill="none" stroke="currentColor" stroke-width="6" stroke-miterlimit="10" cx="65.1" cy="65.1" r="62.1"/>
+ <polyline class="path check success" fill="none" stroke="currentColor" stroke-width="6" stroke-linecap="round" stroke-miterlimit="10" points="100.2,40.2 51.5,88.8 29.8,67.5 "/>
+ <line class="path line error" fill="none" stroke="currentColor" stroke-width="6" stroke-linecap="round" stroke-miterlimit="10" x1="34.4" y1="37.9" x2="95.8" y2="92.3"/>
+ <line class="path line error" fill="none" stroke="currentColor" stroke-width="6" stroke-linecap="round" stroke-miterlimit="10" x1="95.8" y1="38" x2="34.4" y2="92.2"/>
+ <line class="path line pause" fill="none" stroke="currentColor" stroke-width="6" stroke-linecap="round" stroke-miterlimit="10" x1="34.4" y1="37.9" x2="95.8" y2="92.3"/>
+ <line class="path line pause" fill="none" stroke="currentColor" stroke-width="6" stroke-linecap="round" stroke-miterlimit="10" x1="95.8" y1="38" x2="34.4" y2="92.2"/>
+ </svg>
+ <p id="root-text-step-1"></p>
+ </div>
+ <div class="animated" id="root-step-2" style="width:50%" >
+ <p>Step 2</p>
+ <svg version="1.1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 130.2 130.2">
+ <circle class="path circle" fill="none" stroke="currentColor" stroke-width="6" stroke-miterlimit="10" cx="65.1" cy="65.1" r="62.1"/>
+ <polyline class="path check success" fill="none" stroke="currentColor" stroke-width="6" stroke-linecap="round" stroke-miterlimit="10" points="100.2,40.2 51.5,88.8 29.8,67.5 "/>
+ <line class="path line error" fill="none" stroke="currentColor" stroke-width="6" stroke-linecap="round" stroke-miterlimit="10" x1="34.4" y1="37.9" x2="95.8" y2="92.3"/>
+ <line class="path line error" fill="none" stroke="currentColor" stroke-width="6" stroke-linecap="round" stroke-miterlimit="10" x1="95.8" y1="38" x2="34.4" y2="92.2"/>
+ <line class="path line pause" fill="none" stroke="currentColor" stroke-width="6" stroke-linecap="round" stroke-miterlimit="10" x1="49.4" y1="37.9" x2="49.4" y2="92.3"/>
+ <line class="path line pause" fill="none" stroke="currentColor" stroke-width="6" stroke-linecap="round" stroke-miterlimit="10" x1="80.8" y1="38" x2="80.8" y2="92.2"/>
+ </svg>
+ <p id="root-text-step-2"></p>
+ </div>
+ </div>
+ </div>
+</div>
+<script>
+ if ('serial' in navigator) {
+ document.getElementById('start-button').disabled = false;
+ } else {
+ document.getElementById('browser-error').style.display = 'block';
+ }
+ const acontroller = new AbortController();
+ const cs = acontroller.signal;
+ class LineBreakTransformer {
+ constructor() {
+ this.chunks = "";
+ }
+ transform(chunk, controller) {
+ this.chunks += chunk;
+ const lines = this.chunks.split("\n");
+ this.chunks = lines.pop();
+ lines.forEach((line) => controller.enqueue(line));
+ }
+ flush(controller) {
+ controller.enqueue(this.chunks);
+ }
+ }
+ let rootModal = document.getElementById("root-modal");
+ let rootStep = [document.getElementById('root-step-1'),document.getElementById('root-step-2')];
+ let rootStepText = [document.getElementById('root-text-step-1'), document.getElementById('root-text-step-2')];
+ rootModal.addEventListener('modal-close', async function(event) {
+ acontroller.abort();
+ });
+ rootModal.addEventListener('modal-open', async function(event) {
+ root({signal: cs});
+ });
+ function pause(message, i) {
+ rootStep[i].classList.add('pause');
+ rootStep[i].classList.remove('complete');
+ rootStep[i].classList.remove('loading');
+ rootStep[i].classList.remove('error');
+ rootStep[i].classList.remove('success');
+ rootStepText[i].textContent = message;
+ }
+ function loading(message, i) {
+ rootStep[i].classList.remove('pause');
+ rootStep[i].classList.remove('complete');
+ rootStep[i].classList.add('loading');
+ rootStep[i].classList.remove('error');
+ rootStep[i].classList.remove('success');
+ rootStepText[i].textContent = message;
+ }
+ function showError(message, i) {
+ rootStep[i].classList.remove('pause');
+ rootStep[i].classList.remove('complete');
+ rootStep[i].classList.remove('success');
+ rootStep[i].classList.remove('loading');
+ rootStep[i].classList.add('error');
+ rootStepText[i].textContent = message;
+ }
+ function showSuccess(message, i) {
+ rootStep[i].classList.remove('pause');
+ rootStep[i].classList.remove('error');
+ rootStep[i].classList.remove('loading');
+ rootStep[i].classList.remove('complete');
+ rootStep[i].classList.add('success');
+ rootStepText[i].textContent = message;
+ }
+ function delay(ms) {
+ return new Promise(resolve => setTimeout(resolve, ms));
+ }
+ async function waitUbootStop(writer, reader) {
+ const interval = setInterval(function() {
+ writer.write(String.fromCharCode(3));
+ }, 10);
+
+ while (true) {
+ const { value, done } = await reader.read();
+
+ if (value.startsWith('U-Boot')) {
+ loading("Root in progress: Trigger characters received. DO NOT TOUCH THE HUAWEI MA5671A UNTIL THE PROCEDURE IS COMPLETED!",0);
+ await delay(5000);
+ clearInterval(interval);
+ break;
+ }
+ }
+ }
+ async function checkUbootUnlocked(reader) {
+ while (true) {
+ try {
+ const { value, done } = await Promise.race([
+ reader.read(),
+ new Promise((_, reject) => setTimeout(reject, 2000, new Error("timeout")))
+ ]);
+
+ if (value.startsWith('Press SPACE to delay and Ctrl-C to abort autoboot')) {
+ return true;
+ }
+ } catch (err) {
+ return false;
+ }
+ }
+ }
+ async function waitFailbackShell(writer, reader) {
+ while (true) {
+ const { value, done } = await reader.read();
+
+ if (value.startsWith('Press the [f] key and hit [enter] to enter failsafe mode')) {
+ const interval = setInterval(function() {
+ writer.write('f\n');
+ }, 10);
+
+ loading("Root in progress: Trigger characters received. Waiting for boot to end...",1);
+ await delay(3000);
+ clearInterval(interval);
+ break;
+ }
+ }
+
+ const interval = setInterval(function() {
+ writer.write(String.fromCharCode(10));
+ }, 10);
+
+ while (true) {
+ const { value, done } = await reader.read();
+
+ if (value.includes('root@(none)')) {
+ await delay(1000);
+ clearInterval(interval);
+ break;
+ }
+ }
+ }
+ async function root({ signal } = {}) {
+ loading("Waiting for the user to choose the port",0);
+ pause("",1);
+ let port;
+ try {
+ port = await navigator.serial.requestPort();
+ } catch (err) {
+ showError(`Error: ${err.message}`,0);
+ console.log(`Error: ${err.message}\n`);
+ return;
+ }
+ if (!port) {
+ showError('Error: port not open',0);
+ console.log('Error: port not open\n');
+ return;
+ }
+ loading("Please disconnect the Huawei MA5671A from the SFP adapter if it is currently plugged in!",0);
+ try {
+ await port.open({ baudRate: 115200 });
+ } catch (err) {
+ showError(`Error: ${err.message}`,0);
+ console.log(`Error: ${err.message}\n`);
+ return;
+ }
+ const textDecoder = new TextDecoderStream();
+ const readableStreamClosed = port.readable.pipeTo(textDecoder.writable);
+ const reader = textDecoder.readable.pipeThrough(new TransformStream(new LineBreakTransformer())).getReader();
+ const textEncoderStream = new TextEncoderStream();
+ const writerStreamClosed = textEncoderStream.readable.pipeTo(port.writable);
+ const writer = textEncoderStream.writable.getWriter();
+ try {
+ await delay(10000);
+ loading("Now you need to insert the Huawei MA5671A into the SFP adapter, if the procedure does not go ahead, check the connections and then remove and reconnect the Huawei MA5671A again",0);
+ while(true) {
+ await waitUbootStop(writer, reader);
+ const ubootUnlocked = await checkUbootUnlocked(reader);
+
+ if (ubootUnlocked == true) {
+ break;
+ }
+
+ loading("Root in progress: Set U-Boot bootdelay to 5...",0);
+ writer.write('setenv bootdelay 5\n');
+ await delay(1000);
+ loading("Root in progress: Enable ASC serial...",0);
+ writer.write('setenv asc0 0\n');
+ await delay(1000);
+ loading("Root in progress: Set GPIO to unlock serial...",0);
+ writer.write('setenv preboot "gpio set 3;gpio input 2;gpio input 105;gpio input 106;gpio input 107;gpio input 108"\n');
+ await delay(1000);
+ loading("Root in progress: Save changes...",0);
+ writer.write('saveenv\n');
+ await delay(1000);
+ loading("Root in progress: Rebooting...",0);
+ writer.write('reset\n');
+ await delay(1000);
+ }
+
+ loading("Root in progress: Rebooting...",0);
+ writer.write('reset\n');
+ await delay(1000);
+ showSuccess("Congratulations! Step completed.",0);
+ } catch (err) {
+ showError(`Error: ${err.message}`,0);
+ console.log(`Error: ${err.message}\n`);
+ reader.cancel();
+ await readableStreamClosed.catch(() => { /* Ignore the error */ });
+ writer.close();
+ await writerStreamClosed;
+ await port.close();
+ return;
+ }
+ try {
+ loading("Waiting for reboot",1);
+ await waitFailbackShell(writer, reader);
+ loading("Root in progress: Enable full Linux shell...",1);
+ writer.write('mount_root && mkdir -p /overlay/etc && sed "s|/opt/lantiq/bin/minishell|/bin/ash|g" /rom/etc/passwd > /overlay/etc/passwd\n');
+ await delay(1000);
+ loading("Root in progress: Umount rootfs partitions...",1);
+ writer.write('umount /overlay && umount -a\n');
+ await delay(1000);
+ showSuccess("Congratulations! Step completed.",1);
+ } catch (err) {
+ showError(`Error: ${err.message}`,1);
+ console.log(`Error: ${err.message}\n`);
+ reader.cancel();
+ await readableStreamClosed.catch(() => { /* Ignore the error */ });
+ writer.close();
+ await writerStreamClosed;
+ await port.close();
+ return;
+ }
+
+ reader.cancel();
+ await readableStreamClosed.catch(() => { /* Ignore the error */ });
+ writer.close();
+ await writerStreamClosed;
+ await port.close();
+ }
+</script>
+
+# Miscellaneous Links
+- [List of root procedure for Huawei MA5671A](/ont-huawei-ma5671a-root)