1298 lines
45 KiB
C
1298 lines
45 KiB
C
/*
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* Copyright 2015 Robert Foss. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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* - Neither the name of the copyright holders nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @author Robert Foss <dev@robertfoss.se>
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*
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* Additions & fixes: Johny Mattsson <jmattsson@dius.com.au>
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*/
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#include "module.h"
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#include "lauxlib.h"
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#include "platform.h"
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#include "c_stdlib.h"
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#include "c_stdio.h"
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#include "c_string.h"
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#include "ctype.h"
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#include "user_interface.h"
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#include "espconn.h"
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#include "flash_fs.h"
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#define MIN(x, y) (((x) < (y)) ? (x) : (y))
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#define LITLEN(strliteral) (sizeof (strliteral) -1)
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#define ENDUSER_SETUP_ERR_FATAL (1 << 0)
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#define ENDUSER_SETUP_ERR_NONFATAL (1 << 1)
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#define ENDUSER_SETUP_ERR_NO_RETURN (1 << 2)
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#define ENDUSER_SETUP_ERR_OUT_OF_MEMORY 1
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#define ENDUSER_SETUP_ERR_CONNECTION_NOT_FOUND 2
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#define ENDUSER_SETUP_ERR_UNKOWN_ERROR 3
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#define ENDUSER_SETUP_ERR_SOCKET_ALREADY_OPEN 4
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/**
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* DNS Response Packet:
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*
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* |DNS ID - 16 bits|
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* |dns_header|
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* |QNAME|
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* |dns_body|
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* |ip - 32 bits|
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*
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* DNS Header Part | FLAGS | | Q COUNT | | A CNT | |AUTH CNT| | ADD CNT| */
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static const char dns_header[] = { 0x80, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00 };
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/* DNS Query Part | Q TYPE | | Q CLASS| */
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static const char dns_body[] = { 0x00, 0x01, 0x00, 0x01,
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/* DNS Answer Part |LBL OFFS| | TYPE | | CLASS | | TTL | | RD LEN | */
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0xC0, 0x0C, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x78, 0x00, 0x04 };
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static const char http_html_filename[] = "index.html";
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static const char http_header_200[] = "HTTP/1.1 200 OK\r\nCache-control:no-cache\r\nContent-Type: text/html\r\n"; /* Note single \r\n here! */
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static const char http_header_302[] = "HTTP/1.1 302 Moved\r\nLocation: /\r\n\r\n";
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static const char http_header_401[] = "HTTP/1.1 401 Bad request\r\n\r\n";
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static const char http_header_404[] = "HTTP/1.1 404 Not found\r\n\r\n";
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static const char http_header_500[] = "HTTP/1.1 500 Internal Error\r\n\r\n";
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/* The below is the un-minified version of the http_html_backup[] string.
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* Minified using https://kangax.github.io/html-minifier/
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* Note: using method="get" due to iOS not always sending body in same
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* packet as the HTTP header, and us thus missing it in that case
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*/
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#if 0
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<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<meta charset="utf-8">
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<meta name="viewport" content="width=380">
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<title>WiFi Login</title>
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<style media="screen" type="text/css">
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*{margin:0;padding:0}
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html{height:100%;background:linear-gradient(rgba(196,102,0,.2),rgba(155,89,182,.2)),url(data:image/png;base64,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)}
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body{font-family:arial,verdana}
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div{position:absolute;margin:auto;top:0;right:0;bottom:0;left:0;width:320px;height:304px}
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form{width:320px;text-align:center;position:relative}
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form fieldset{background:#fff;border:0 none;border-radius:5px;box-shadow:0 0 15px 1px rgba(0,0,0,.4);padding:20px 30px;box-sizing:border-box}
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form input{padding:15px;border:1px solid #ccc;border-radius:3px;margin-bottom:10px;width:100%;box-sizing:border-box;font-family:montserrat;color:#2C3E50;font-size:13px}
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form .action-button{border:0 none;border-radius:3px;cursor:pointer;}
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#msform .submit:focus,form .action-button:hover{box-shadow:0 0 0 2px #fff,0 0 0 3px #27AE60;}
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#msform .wifitoggle:focus,form .wifitoggle:hover{box-shadow:0 0 0 2px #fff,0 0 0 3px #ccc;}
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select{width:100%;margin-bottom: 20px;padding: 10px 5px; border:1px solid #ccc;display:none;}
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.fs-title{font-size:15px;text-transform:uppercase;color:#2C3E50;margin-bottom:10px}
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.fs-subtitle{font-weight:400;font-size:13px;color:#666;margin-bottom:20px}
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.fs-status{font-weight:400;font-size:13px;color:#666;margin-bottom:10px;padding-top:20px; border-top:1px solid #ccc}
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.submit{width:100px;background: #27AE60; color: #fff;font-weight:700;margin:10px 5px; padding: 10px 5px; }
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.wifitoggle{float:right;clear:both;max-width:75%; font-size:11px;background:#ccc; color: #000; margin: 0 0 10px; 0; padding: 5px 10px;}
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</style>
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</head>
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<body>
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<div>
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<form method="get" action="/update">
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<fieldset>
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<h2 class="fs-title">WiFi Login</h2>
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<h3 class="fs-subtitle">Connect gadget to your WiFi network</h3>
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<input autocorrect="off" autocapitalize="none" name="wifi_ssid" id="ssid" placeholder="WiFi Name">
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<button type='button' class="action-button wifitoggle" id="apbutton" disabled>Searching for networks...</button>
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<select name="aplist" id="aplist" size="2">
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</select>
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<input name="wifi_password" placeholder="Password" type="password">
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<input type=submit name=save class='action-button submit' value='Save'>
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<h3 class="fs-status">Status: <span id="status">Updating...</span></h3>
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</fieldset>
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</form>
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</div>
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<script>
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function aplist() { return document.getElementById("aplist"); }
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function fetch(url, method, callback)
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{
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var xhr = new XMLHttpRequest();
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xhr.onreadystatechange=check_ready;
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function check_ready()
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{
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if (xhr.readyState === 4)
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callback(xhr.status === 200 ? xhr.responseText : null);
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}
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xhr.open(method, url, true);
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xhr.send();
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}
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function new_status(stat)
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{
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if (stat)
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{
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var e = document.getElementById("status");
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e.innerHTML = stat;
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}
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setTimeout(refresh_status, 3000);
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}
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function refresh_status()
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{
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fetch('/status','GET',new_status);
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}
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function refresh_ap_list()
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{
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var sel = aplist ();
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sel.innerHTML = '<option value="" disabled>Scanning...</option>';
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fetch('/aplist','GET', got_ap_list);
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}
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function toggle_aplist(ev, force)
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{
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var sel = aplist();
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var btn = document.getElementById("apbutton");
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if (force || sel.style.display == 'block')
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{
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sel.style.display = 'none';
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btn.innerHTML = 'Show networks';
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}
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else
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{
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sel.style.display = 'block';
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btn.innerHTML = 'Hide networks';
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}
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}
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function got_ap_list(json)
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{
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var btn = document.getElementById("apbutton");
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if (json)
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{
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var list = JSON.parse(json);
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list.sort(function(a,b){ return b.rssi - a.rssi; });
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var ssids=list.map(function(a) { return a.ssid; }).filter(function(item, pos, self) { return self.indexOf(item)==pos; });
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var sel = aplist();
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sel.innerHTML = "";
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sel.setAttribute("size", Math.max(Math.min(5, list.length), 2));
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for (var i = 0; i < ssids.length; ++i)
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{
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var o = document.createElement("option");
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sel.options.add(o);
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o.innerHTML = ssids[i];
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}
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btn.disabled = false;
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toggle_aplist(null, true);
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btn.onclick = toggle_aplist;
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}
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else
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{
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btn.innerHTML = "No networks found";
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}
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}
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window.onload=function()
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{
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refresh_status();
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refresh_ap_list();
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aplist().onchange = function() { document.getElementById("ssid").value = aplist().value; }
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}
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</script>
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</body>
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</html>
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#endif
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static const char http_html_backup[] =
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"<!DOCTYPE html><html><head><meta http-equiv=content-type content=\"text/html; charset=UTF-8\"><meta charset=utf-8><meta name=viewport content=\"width=380\"><title>WiFi Login</title><style media=screen type=text/css>*{margin:0;padding:0}html{height:100%;background:linear-gradient(rgba(196,102,0,.2),rgba(155,89,182,.2)),url(data:image/png;base64,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)}body{font-family:arial,verdana}div{position:absolute;margin:auto;top:0;right:0;bottom:0;left:0;width:320px;height:304px}form{width:320px;text-align:center;position:relative}form fieldset{background:#fff;border:0 none;border-radius:5px;box-shadow:0 0 15px 1px rgba(0,0,0,.4);padding:20px 30px;box-sizing:border-box}form input{padding:15px;border:1px solid #ccc;border-radius:3px;margin-bottom:10px;width:100%;box-sizing:border-box;font-family:montserrat;color:#2C3E50;font-size:13px}form .action-button{border:0 none;border-radius:3px;cursor:pointer}#msform .submit:focus,form .action-button:hover{box-shadow:0 0 0 2px #fff,0 0 0 3px #27AE60}#msform .wifitoggle:focus,form .wifitoggle:hover{box-shadow:0 0 0 2px #fff,0 0 0 3px #ccc}select{width:100%;margin-bottom:20px;padding:10px 5px;border:1px solid #ccc;display:none}.fs-title{font-size:15px;text-transform:uppercase;color:#2C3E50;margin-bottom:10px}.fs-subtitle{font-weight:400;font-size:13px;color:#666;margin-bottom:20px}.fs-status{font-weight:400;font-size:13px;color:#666;margin-bottom:10px;padding-top:20px;border-top:1px solid #ccc}.submit{width:100px;background:#27AE60;color:#fff;font-weight:700;margin:10px 5px;padding:10px 5px}.wifitoggle{float:right;clear:both;max-width:75%;font-size:11px;background:#ccc;color:#000;margin:0 0 10px;padding:5px 10px}</style><body><div><form action=/update><fieldset><h2 class=fs-title>WiFi Login</h2><h3 class=fs-subtitle>Connect gadget to your WiFi network</h3><input autocorrect=off autocapitalize=none name=wifi_ssid id=ssid placeholder=\"WiFi Name\"> <button type=button class=\"action-button wifitoggle\" id=apbutton disabled>Searching for networks...</button><select name=aplist id=aplist size=2></select><input name=wifi_password placeholder=Password type=password> <input type=submit name=save class=\"action-button submit\" value=Save><h3 class=fs-status>Status: <span id=status>Updating...</span></h3></fieldset></form></div><script>function aplist(){return document.getElementById(\"aplist\")}function fetch(t,e,n){function s(){4===i.readyState&&n(200===i.status?i.responseText:null)}var i=new XMLHttpRequest;i.onreadystatechange=s,i.open(e,t,!0),i.send()}function new_status(t){if(t){var e=document.getElementById(\"status\");e.innerHTML=t}setTimeout(refresh_status,3e3)}function refresh_status(){fetch(\"/status\",\"GET\",new_status)}function refresh_ap_list(){var t=aplist();t.innerHTML='<option value=\"\" disabled>Scanning...</option>',fetch(\"/aplist\",\"GET\",got_ap_list)}function toggle_aplist(t,e){var n=aplist(),s=document.getElementById(\"apbutton\");e||\"block\"==n.style.display?(n.style.display=\"none\",s.innerHTML=\"Show networks\"):(n.style.display=\"block\",s.innerHTML=\"Hide networks\")}function got_ap_list(t){var e=document.getElementById(\"apbutton\");if(t){var n=JSON.parse(t);n.sort(function(t,e){return e.rssi-t.rssi});var s=n.map(function(t){return t.ssid}).filter(function(t,e,n){return n.indexOf(t)==e}),i=aplist();i.innerHTML=\"\",i.setAttribute(\"size\",Math.max(Math.min(5,n.length),2));for(var a=0;a<s.length;++a){var o=document.createElement(\"option\");i.options.add(o),o.innerHTML=s[a]}e.disabled=!1,toggle_aplist(null,!0),e.onclick=toggle_aplist}else e.innerHTML=\"No networks found\"}window.onload=function(){refresh_status(),refresh_ap_list(),aplist().onchange=function(){document.getElementById(\"ssid\").value=aplist().value}};</script>";
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|
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typedef struct scan_listener
|
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{
|
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struct scan_listener *next;
|
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int remote_port;
|
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uint8 remote_ip[4];
|
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} scan_listener_t;
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|
|
typedef struct
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|
{
|
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struct espconn *espconn_dns_udp;
|
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struct espconn *espconn_http_tcp;
|
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char *http_payload_data;
|
|
uint32_t http_payload_len;
|
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os_timer_t check_station_timer;
|
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int lua_connected_cb_ref;
|
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int lua_err_cb_ref;
|
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int lua_dbg_cb_ref;
|
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scan_listener_t *scan_listeners;
|
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} enduser_setup_state_t;
|
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|
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static enduser_setup_state_t *state;
|
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static bool manual = false;
|
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|
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static int enduser_setup_start(lua_State* L);
|
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static int enduser_setup_stop(lua_State* L);
|
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static void enduser_setup_station_start(void);
|
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static void enduser_setup_station_start(void);
|
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static void enduser_setup_ap_start(void);
|
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static void enduser_setup_ap_stop(void);
|
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static void enduser_setup_check_station(void *p);
|
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static void enduser_setup_debug(lua_State *L, const char *str);
|
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|
|
|
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#define ENDUSER_SETUP_DEBUG_ENABLE 0
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#if ENDUSER_SETUP_DEBUG_ENABLE
|
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#define ENDUSER_SETUP_DEBUG(l, str) enduser_setup_debug(l, str)
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#else
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#define ENDUSER_SETUP_DEBUG(l, str) do {} while(0)
|
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#endif
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|
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|
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static void enduser_setup_debug(lua_State *L, const char *str)
|
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{
|
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if(state != NULL && L != NULL && state->lua_dbg_cb_ref != LUA_NOREF)
|
|
{
|
|
lua_rawgeti(L, LUA_REGISTRYINDEX, state->lua_dbg_cb_ref);
|
|
lua_pushstring(L, str);
|
|
lua_call(L, 1, 0);
|
|
}
|
|
}
|
|
|
|
|
|
#define ENDUSER_SETUP_ERROR(str, err, err_severity) \
|
|
do { \
|
|
if (err_severity & ENDUSER_SETUP_ERR_FATAL) enduser_setup_stop(lua_getstate());\
|
|
enduser_setup_error(lua_getstate(), str, err);\
|
|
if (!(err_severity & ENDUSER_SETUP_ERR_NO_RETURN)) \
|
|
return err; \
|
|
} while (0)
|
|
|
|
#define ENDUSER_SETUP_ERROR_VOID(str, err, err_severity) \
|
|
do { \
|
|
if (err_severity & ENDUSER_SETUP_ERR_FATAL) enduser_setup_stop(lua_getstate());\
|
|
enduser_setup_error(lua_getstate(), str, err);\
|
|
if (!(err_severity & ENDUSER_SETUP_ERR_NO_RETURN)) \
|
|
return; \
|
|
} while (0)
|
|
|
|
|
|
static void enduser_setup_error(lua_State *L, const char *str, int err)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(L, "enduser_setup_error");
|
|
|
|
if (state != NULL && L != NULL && state->lua_err_cb_ref != LUA_NOREF)
|
|
{
|
|
lua_rawgeti (L, LUA_REGISTRYINDEX, state->lua_err_cb_ref);
|
|
lua_pushnumber(L, err);
|
|
lua_pushfstring(L, "enduser_setup: %s", str);
|
|
lua_call (L, 2, 0);
|
|
}
|
|
}
|
|
|
|
|
|
static void enduser_setup_connected_callback(lua_State *L)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(L, "enduser_setup_connected_callback");
|
|
|
|
if(state != NULL && L != NULL && state->lua_connected_cb_ref != LUA_NOREF)
|
|
{
|
|
lua_rawgeti(L, LUA_REGISTRYINDEX, state->lua_connected_cb_ref);
|
|
lua_call(L, 0, 0);
|
|
}
|
|
}
|
|
|
|
|
|
static void enduser_setup_check_station_start(void)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "enduser_setup_check_station_start");
|
|
|
|
os_timer_setfn(&(state->check_station_timer), enduser_setup_check_station, NULL);
|
|
os_timer_arm(&(state->check_station_timer), 1*1000, TRUE);
|
|
}
|
|
|
|
|
|
static void enduser_setup_check_station_stop(void)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "enduser_setup_check_station_stop");
|
|
|
|
os_timer_disarm(&(state->check_station_timer));
|
|
}
|
|
|
|
|
|
/**
|
|
* Check Station
|
|
*
|
|
* Check that we've successfully entered station mode.
|
|
*/
|
|
static void enduser_setup_check_station(void *p)
|
|
{
|
|
(void)p;
|
|
struct ip_info ip;
|
|
c_memset(&ip, 0, sizeof(struct ip_info));
|
|
|
|
wifi_get_ip_info(STATION_IF, &ip);
|
|
|
|
int i;
|
|
char has_ip = 0;
|
|
for (i = 0; i < sizeof(struct ip_info); ++i)
|
|
{
|
|
has_ip |= ((char *) &ip)[i];
|
|
}
|
|
|
|
if (has_ip == 0)
|
|
{
|
|
return;
|
|
}
|
|
|
|
enduser_setup_connected_callback(lua_getstate());
|
|
enduser_setup_stop(NULL);
|
|
}
|
|
|
|
|
|
/**
|
|
* Search String
|
|
*
|
|
* Search string for first occurance of any char in srch_str.
|
|
*
|
|
* @return -1 iff no occurance of char was found.
|
|
*/
|
|
static int enduser_setup_srch_str(const char *str, const char *srch_str)
|
|
{
|
|
char *found = strpbrk (str, srch_str);
|
|
if (!found)
|
|
return -1;
|
|
else
|
|
return found - str;
|
|
}
|
|
|
|
|
|
/**
|
|
* Load HTTP Payload
|
|
*
|
|
* @return - 0 iff payload loaded successfully
|
|
* 1 iff backup html was loaded
|
|
* 2 iff out of memory
|
|
*/
|
|
static int enduser_setup_http_load_payload(void)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "enduser_setup_http_load_payload");
|
|
|
|
int f = fs_open(http_html_filename, fs_mode2flag("r"));
|
|
int err = fs_seek(f, 0, FS_SEEK_END);
|
|
int file_len = (int) fs_tell(f);
|
|
int err2 = fs_seek(f, 0, FS_SEEK_SET);
|
|
|
|
const char cl_hdr[] = "Content-length:%5d\r\n\r\n";
|
|
const size_t cl_len = LITLEN(cl_hdr) + 3; /* room to expand %4d */
|
|
|
|
if (f == 0 || err == -1 || err2 == -1)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "enduser_setup_http_load_payload unable to load file index.html, loading backup HTML.");
|
|
|
|
int payload_len = LITLEN(http_header_200) + cl_len + LITLEN(http_html_backup);
|
|
state->http_payload_len = payload_len;
|
|
state->http_payload_data = (char *) c_malloc(payload_len);
|
|
if (state->http_payload_data == NULL)
|
|
{
|
|
return 2;
|
|
}
|
|
|
|
int offset = 0;
|
|
c_memcpy(&(state->http_payload_data[offset]), &(http_header_200), LITLEN(http_header_200));
|
|
offset += LITLEN(http_header_200);
|
|
offset += c_sprintf(state->http_payload_data + offset, cl_hdr, LITLEN(http_html_backup));
|
|
c_memcpy(&(state->http_payload_data[offset]), &(http_html_backup), LITLEN(http_html_backup));
|
|
|
|
return 1;
|
|
}
|
|
|
|
int payload_len = LITLEN(http_header_200) + cl_len + file_len;
|
|
state->http_payload_len = payload_len;
|
|
state->http_payload_data = (char *) c_malloc(payload_len);
|
|
if (state->http_payload_data == NULL)
|
|
{
|
|
return 2;
|
|
}
|
|
|
|
int offset = 0;
|
|
c_memcpy(&(state->http_payload_data[offset]), &(http_header_200), LITLEN(http_header_200));
|
|
offset += LITLEN(http_header_200);
|
|
offset += c_sprintf(state->http_payload_data + offset, cl_hdr, file_len);
|
|
fs_read(f, &(state->http_payload_data[offset]), file_len);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* De-escape URL data
|
|
*
|
|
* Parse escaped and form encoded data of request.
|
|
*/
|
|
static void enduser_setup_http_urldecode(char *dst, const char *src, int src_len)
|
|
{
|
|
char a, b;
|
|
int i;
|
|
for (i = 0; i < src_len && *src; ++i)
|
|
{
|
|
if ((*src == '%') && ((a = src[1]) && (b = src[2])) && (isxdigit(a) && isxdigit(b)))
|
|
{
|
|
if (a >= 'a')
|
|
{
|
|
a -= 'a'-'A';
|
|
}
|
|
if (a >= 'A')
|
|
{
|
|
a -= ('A' - 10);
|
|
}
|
|
else
|
|
{
|
|
a -= '0';
|
|
}
|
|
if (b >= 'a')
|
|
{
|
|
b -= 'a'-'A';
|
|
}
|
|
if (b >= 'A')
|
|
{
|
|
b -= ('A' - 10);
|
|
}
|
|
else
|
|
{
|
|
b -= '0';
|
|
}
|
|
*dst++ = 16 * a + b;
|
|
src += 3;
|
|
i += 2;
|
|
} else {
|
|
char c = *src++;
|
|
if (c == '+')
|
|
{
|
|
c = ' ';
|
|
}
|
|
*dst++ = c;
|
|
}
|
|
}
|
|
*dst++ = '\0';
|
|
}
|
|
|
|
|
|
/**
|
|
* Handle HTTP Credentials
|
|
*
|
|
* @return - return 0 iff credentials are found and handled successfully
|
|
* return 1 iff credentials aren't found
|
|
* return 2 iff an error occured
|
|
*/
|
|
static int enduser_setup_http_handle_credentials(char *data, unsigned short data_len)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "enduser_setup_http_handle_credentials");
|
|
|
|
char *name_str = (char *) ((uint32_t)strstr(&(data[6]), "wifi_ssid="));
|
|
char *pwd_str = (char *) ((uint32_t)strstr(&(data[6]), "wifi_password="));
|
|
if (name_str == NULL || pwd_str == NULL)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
int name_field_len = LITLEN("wifi_ssid=");
|
|
int pwd_field_len = LITLEN("wifi_password=");
|
|
char *name_str_start = name_str + name_field_len;
|
|
char *pwd_str_start = pwd_str + pwd_field_len;
|
|
|
|
int name_str_len = enduser_setup_srch_str(name_str_start, "& ");
|
|
int pwd_str_len = enduser_setup_srch_str(pwd_str_start, "& ");
|
|
if (name_str_len == -1 || pwd_str_len == -1 || name_str_len > 31 || pwd_str_len > 63)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
struct station_config cnf;
|
|
c_memset(&cnf, 0, sizeof(struct station_config));
|
|
enduser_setup_http_urldecode(cnf.ssid, name_str_start, name_str_len);
|
|
enduser_setup_http_urldecode(cnf.password, pwd_str_start, pwd_str_len);
|
|
|
|
if (!wifi_station_disconnect())
|
|
{
|
|
ENDUSER_SETUP_ERROR("station_start failed. wifi_station_disconnect failed.", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_NONFATAL);
|
|
}
|
|
if (!wifi_station_set_config(&cnf))
|
|
{
|
|
ENDUSER_SETUP_ERROR("station_start failed. wifi_station_set_config failed.", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
if (wifi_station_connect())
|
|
{
|
|
ENDUSER_SETUP_ERROR("station_start failed. wifi_station_connect failed.\n", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "WiFi Credentials Stored");
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "-----------------------");
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "name: ");
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), cnf.ssid);
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "pass: ");
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), cnf.password);
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "-----------------------");
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* Serve HTML
|
|
*
|
|
* @return - return 0 iff html was served successfully
|
|
*/
|
|
static int enduser_setup_http_serve_header(struct espconn *http_client, const char *header, uint32_t header_len)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "enduser_setup_http_serve_header");
|
|
|
|
int8_t err = espconn_send(http_client, (char *)header, header_len);
|
|
if (err == ESPCONN_MEM)
|
|
{
|
|
ENDUSER_SETUP_ERROR("http_serve_header failed. espconn_send out of memory", ENDUSER_SETUP_ERR_OUT_OF_MEMORY, ENDUSER_SETUP_ERR_NONFATAL);
|
|
}
|
|
else if (err == ESPCONN_ARG)
|
|
{
|
|
ENDUSER_SETUP_ERROR("http_serve_header failed. espconn_send can't find network transmission", ENDUSER_SETUP_ERR_CONNECTION_NOT_FOUND, ENDUSER_SETUP_ERR_NONFATAL);
|
|
}
|
|
else if (err != 0)
|
|
{
|
|
ENDUSER_SETUP_ERROR("http_serve_header failed. espconn_send failed", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_NONFATAL);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* Serve HTML
|
|
*
|
|
* @return - return 0 iff html was served successfully
|
|
*/
|
|
static int enduser_setup_http_serve_html(struct espconn *http_client)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "enduser_setup_http_serve_html");
|
|
|
|
if (state->http_payload_data == NULL)
|
|
{
|
|
enduser_setup_http_load_payload();
|
|
}
|
|
|
|
int8_t err = espconn_send(http_client, state->http_payload_data, state->http_payload_len);
|
|
if (err == ESPCONN_MEM)
|
|
{
|
|
ENDUSER_SETUP_ERROR("http_serve_html failed. espconn_send out of memory", ENDUSER_SETUP_ERR_OUT_OF_MEMORY, ENDUSER_SETUP_ERR_NONFATAL);
|
|
}
|
|
else if (err == ESPCONN_ARG)
|
|
{
|
|
ENDUSER_SETUP_ERROR("http_serve_html failed. espconn_send can't find network transmission", ENDUSER_SETUP_ERR_CONNECTION_NOT_FOUND, ENDUSER_SETUP_ERR_NONFATAL);
|
|
}
|
|
else if (err != 0)
|
|
{
|
|
ENDUSER_SETUP_ERROR("http_serve_html failed. espconn_send failed", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_NONFATAL);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void serve_status (struct espconn *conn)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "enduser_setup_serve_status");
|
|
|
|
const char fmt[] =
|
|
"HTTP/1.1 200 OK\r\n"
|
|
"Cache-control: no-cache\r\n"
|
|
"Content-type: text/plain\r\n"
|
|
"Content-length: %d\r\n"
|
|
"\r\n"
|
|
"%s";
|
|
const char *state[] =
|
|
{
|
|
"Idle",
|
|
"Connecting...",
|
|
"Failed to connect - wrong password",
|
|
"Failed to connect - network not found",
|
|
"Failed to connect",
|
|
"WiFi successfully connected!" /* TODO: include SSID */
|
|
};
|
|
const size_t num_states = sizeof(state)/sizeof(state[0]);
|
|
|
|
uint8_t which = wifi_station_get_connect_status ();
|
|
if (which < num_states)
|
|
{
|
|
const char *s = state[which];
|
|
int len = c_strlen (s);
|
|
char buf[sizeof (fmt) + 10 + len]; /* more than enough for the formatted */
|
|
len = c_sprintf (buf, fmt, len, s);
|
|
enduser_setup_http_serve_header (conn, buf, len);
|
|
}
|
|
else
|
|
enduser_setup_http_serve_header (conn, http_header_500, LITLEN(http_header_500));
|
|
}
|
|
|
|
|
|
/**
|
|
* Disconnect HTTP client
|
|
*
|
|
* End TCP connection and free up resources.
|
|
*/
|
|
static void enduser_setup_http_disconnect(struct espconn *espconn)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "enduser_setup_http_disconnect");
|
|
//TODO: Construct and maintain os task queue(?) to be able to issue system_os_task with espconn_disconnect.
|
|
}
|
|
|
|
|
|
/* --- WiFi AP scanning support -------------------------------------------- */
|
|
|
|
static void free_scan_listeners (void)
|
|
{
|
|
if (!state || !state->scan_listeners)
|
|
return;
|
|
|
|
scan_listener_t *l = state->scan_listeners , *next = 0;
|
|
while (l)
|
|
{
|
|
next = l->next;
|
|
c_free (l);
|
|
l = next;
|
|
}
|
|
state->scan_listeners = 0;
|
|
}
|
|
|
|
|
|
static inline bool same_remote (uint8 addr1[4], int port1, uint8 addr2[4], int port2)
|
|
{
|
|
return (port1 == port2) && (c_memcmp (addr1, addr2, 4) == 0);
|
|
}
|
|
|
|
|
|
static void on_disconnect (void *arg)
|
|
{
|
|
struct espconn *conn = arg;
|
|
if (conn->type == ESPCONN_TCP && state && state->scan_listeners)
|
|
{
|
|
scan_listener_t **sl = &state->scan_listeners;
|
|
while (*sl)
|
|
{
|
|
/* Remove any and all references to the closed conn from the scan list */
|
|
scan_listener_t *l = *sl;
|
|
if (same_remote (
|
|
l->remote_ip, l->remote_port,
|
|
conn->proto.tcp->remote_ip, conn->proto.tcp->remote_port))
|
|
{
|
|
*sl = l->next;
|
|
c_free (l);
|
|
/* No early exit to guard against multi-entry on list */
|
|
}
|
|
else
|
|
sl = &(*sl)->next;
|
|
}
|
|
}
|
|
}
|
|
|
|
static char *escape_ssid (char *dst, const char *src)
|
|
{
|
|
for (int i = 0; i < 32 && src[i]; ++i)
|
|
{
|
|
if (src[i] == '\\' || src[i] == '"')
|
|
*dst++ = '\\';
|
|
*dst++ = src[i];
|
|
}
|
|
return dst;
|
|
}
|
|
|
|
|
|
static void notify_scan_listeners (const char *payload, size_t sz)
|
|
{
|
|
if (!state)
|
|
return;
|
|
if (!state->espconn_http_tcp)
|
|
goto cleanup;
|
|
|
|
struct espconn *conn = state->espconn_http_tcp;
|
|
for (scan_listener_t *l = state->scan_listeners; l; l = l->next)
|
|
{
|
|
c_memcpy (conn->proto.tcp->remote_ip, l->remote_ip, 4);
|
|
conn->proto.tcp->remote_port = l->remote_port;
|
|
if (espconn_send(conn, (char *)payload, sz) != ESPCONN_OK)
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "failed to send wifi list");
|
|
enduser_setup_http_disconnect(conn);
|
|
}
|
|
|
|
cleanup:
|
|
free_scan_listeners ();
|
|
}
|
|
|
|
|
|
static void on_scan_done (void *arg, STATUS status)
|
|
{
|
|
if (!state || !state->scan_listeners)
|
|
return;
|
|
|
|
if (status == OK)
|
|
{
|
|
unsigned num_nets = 0;
|
|
for (struct bss_info *wn = arg; wn; wn = wn->next.stqe_next)
|
|
++num_nets;
|
|
|
|
const char header_fmt[] =
|
|
"HTTP/1.1 200 OK\r\n"
|
|
"Connection:close\r\n"
|
|
"Cache-control: no-cache\r\n"
|
|
"Content-type:application/json\r\n"
|
|
"Content-length:%4d\r\n"
|
|
"\r\n";
|
|
const size_t hdr_sz = sizeof (header_fmt) +1 -1; /* +expand %4d, -\0 */
|
|
|
|
/* To be able to safely escape a pathological SSID, we need 2*32 bytes */
|
|
const size_t max_entry_sz = sizeof("{\"ssid\":\"\",\"rssi\":},") + 2*32 + 6;
|
|
const size_t alloc_sz = hdr_sz + num_nets * max_entry_sz + 3;
|
|
char *http = os_zalloc (alloc_sz);
|
|
if (!http)
|
|
goto serve_500;
|
|
|
|
char *p = http + hdr_sz; /* start body where we know it will be */
|
|
/* p[0] will be clobbered when we print the header, so fill it in last */
|
|
++p;
|
|
for (struct bss_info *wn = arg; wn; wn = wn->next.stqe_next)
|
|
{
|
|
if (wn != arg)
|
|
*p++ = ',';
|
|
|
|
const char entry_start[] = "{\"ssid\":\"";
|
|
strcpy (p, entry_start);
|
|
p += sizeof (entry_start) -1;
|
|
|
|
p = escape_ssid (p, wn->ssid);
|
|
|
|
const char entry_mid[] = "\",\"rssi\":";
|
|
strcpy (p, entry_mid);
|
|
p += sizeof (entry_mid) -1;
|
|
|
|
p += c_sprintf (p, "%d", wn->rssi);
|
|
|
|
*p++ = '}';
|
|
}
|
|
*p++ = ']';
|
|
|
|
size_t body_sz = (p - http) - hdr_sz;
|
|
c_sprintf (http, header_fmt, body_sz);
|
|
http[hdr_sz] = '['; /* Rewrite the \0 with the correct start of body */
|
|
|
|
notify_scan_listeners (http, hdr_sz + body_sz);
|
|
c_free (http);
|
|
return;
|
|
}
|
|
|
|
serve_500:
|
|
notify_scan_listeners (http_header_500, LITLEN(http_header_500));
|
|
}
|
|
|
|
/* ---- end WiFi AP scan support ------------------------------------------- */
|
|
|
|
|
|
static void enduser_setup_http_recvcb(void *arg, char *data, unsigned short data_len)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "enduser_setup_http_recvcb");
|
|
if (!state)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "ignoring received data while stopped");
|
|
return;
|
|
}
|
|
|
|
struct espconn *http_client = (struct espconn *) arg;
|
|
if (c_strncmp(data, "GET ", 4) == 0)
|
|
{
|
|
if (c_strncmp(data + 4, "/ ", 2) == 0)
|
|
{
|
|
if (enduser_setup_http_serve_html(http_client) != 0)
|
|
ENDUSER_SETUP_ERROR_VOID("http_recvcb failed. Unable to send HTML.", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_NONFATAL);
|
|
}
|
|
else if (c_strncmp(data + 4, "/aplist ", 8) == 0)
|
|
{
|
|
scan_listener_t *l = os_malloc (sizeof (scan_listener_t));
|
|
if (!l)
|
|
ENDUSER_SETUP_ERROR_VOID("out of memory", ENDUSER_SETUP_ERR_OUT_OF_MEMORY, ENDUSER_SETUP_ERR_NONFATAL);
|
|
|
|
c_memcpy (l->remote_ip, http_client->proto.tcp->remote_ip, 4);
|
|
l->remote_port = http_client->proto.tcp->remote_port;
|
|
|
|
bool already = (state->scan_listeners != NULL);
|
|
|
|
l->next = state->scan_listeners;
|
|
state->scan_listeners = l;
|
|
|
|
if (!already)
|
|
{
|
|
if (!wifi_station_scan (NULL, on_scan_done))
|
|
{
|
|
enduser_setup_http_serve_header (http_client, http_header_500, LITLEN(http_header_500));
|
|
free_scan_listeners ();
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
else if (c_strncmp(data + 4, "/status ", 8) == 0)
|
|
{
|
|
serve_status (http_client);
|
|
}
|
|
else if (c_strncmp(data + 4, "/update?", 8) == 0)
|
|
{
|
|
switch (enduser_setup_http_handle_credentials(data, data_len))
|
|
{
|
|
case 0:
|
|
enduser_setup_http_serve_header(http_client, http_header_302, LITLEN(http_header_302));
|
|
break;
|
|
case 1:
|
|
enduser_setup_http_serve_header(http_client, http_header_401, LITLEN(http_header_401));
|
|
break;
|
|
default:
|
|
ENDUSER_SETUP_ERROR_VOID("http_recvcb failed. Failed to handle wifi credentials.", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_NONFATAL);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "serving 404");
|
|
enduser_setup_http_serve_header(http_client, http_header_404, LITLEN(http_header_404));
|
|
}
|
|
}
|
|
else /* not GET */
|
|
{
|
|
enduser_setup_http_serve_header(http_client, http_header_401, LITLEN(http_header_401));
|
|
}
|
|
|
|
enduser_setup_http_disconnect (http_client);
|
|
}
|
|
|
|
|
|
static void enduser_setup_http_connectcb(void *arg)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "enduser_setup_http_connectcb");
|
|
struct espconn *callback_espconn = (struct espconn *) arg;
|
|
|
|
int8_t err = 0;
|
|
err |= espconn_regist_recvcb(callback_espconn, enduser_setup_http_recvcb);
|
|
err |= espconn_regist_disconcb(callback_espconn, on_disconnect);
|
|
|
|
if (err != 0)
|
|
{
|
|
ENDUSER_SETUP_ERROR_VOID("http_connectcb failed. Callback registration failed.", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_NONFATAL);
|
|
}
|
|
}
|
|
|
|
|
|
static int enduser_setup_http_start(void)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "enduser_setup_http_start");
|
|
state->espconn_http_tcp = (struct espconn *) c_malloc(sizeof(struct espconn));
|
|
if (state->espconn_http_tcp == NULL)
|
|
{
|
|
ENDUSER_SETUP_ERROR("http_start failed. Memory allocation failed (espconn_http_tcp == NULL).", ENDUSER_SETUP_ERR_OUT_OF_MEMORY, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
esp_tcp *esp_tcp_data = (esp_tcp *) c_malloc(sizeof(esp_tcp));
|
|
if (esp_tcp_data == NULL)
|
|
{
|
|
ENDUSER_SETUP_ERROR("http_start failed. Memory allocation failed (esp_udp == NULL).", ENDUSER_SETUP_ERR_OUT_OF_MEMORY, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
|
|
c_memset(state->espconn_http_tcp, 0, sizeof(struct espconn));
|
|
c_memset(esp_tcp_data, 0, sizeof(esp_tcp));
|
|
state->espconn_http_tcp->proto.tcp = esp_tcp_data;
|
|
state->espconn_http_tcp->type = ESPCONN_TCP;
|
|
state->espconn_http_tcp->state = ESPCONN_NONE;
|
|
esp_tcp_data->local_port = 80;
|
|
|
|
int8_t err;
|
|
err = espconn_regist_connectcb(state->espconn_http_tcp, enduser_setup_http_connectcb);
|
|
if (err != 0)
|
|
{
|
|
ENDUSER_SETUP_ERROR("http_start failed. Couldn't add receive callback.", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
|
|
err = espconn_accept(state->espconn_http_tcp);
|
|
if (err == ESPCONN_ISCONN)
|
|
{
|
|
ENDUSER_SETUP_ERROR("http_start failed. Couldn't create connection, already listening for that connection.", ENDUSER_SETUP_ERR_SOCKET_ALREADY_OPEN, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
else if (err == ESPCONN_MEM)
|
|
{
|
|
ENDUSER_SETUP_ERROR("http_start failed. Couldn't create connection, out of memory.", ENDUSER_SETUP_ERR_OUT_OF_MEMORY, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
else if (err == ESPCONN_ARG)
|
|
{
|
|
ENDUSER_SETUP_ERROR("http_start failed. Can't find connection from espconn argument", ENDUSER_SETUP_ERR_CONNECTION_NOT_FOUND, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
else if (err != 0)
|
|
{
|
|
ENDUSER_SETUP_ERROR("http_start failed. Unknown error", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
|
|
err = espconn_regist_time(state->espconn_http_tcp, 2, 0);
|
|
if (err == ESPCONN_ARG)
|
|
{
|
|
ENDUSER_SETUP_ERROR("http_start failed. Unable to set TCP timeout.", ENDUSER_SETUP_ERR_CONNECTION_NOT_FOUND, ENDUSER_SETUP_ERR_NONFATAL | ENDUSER_SETUP_ERR_NO_RETURN);
|
|
}
|
|
|
|
err = enduser_setup_http_load_payload();
|
|
if (err == 1)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "enduser_setup_http_start info. Loaded backup HTML.");
|
|
}
|
|
else if (err == 2)
|
|
{
|
|
ENDUSER_SETUP_ERROR("http_start failed. Unable to allocate memory for HTTP payload.", ENDUSER_SETUP_ERR_OUT_OF_MEMORY, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void enduser_setup_http_stop(void)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "enduser_setup_http_stop");
|
|
|
|
if (state != NULL && state->espconn_http_tcp != NULL)
|
|
{
|
|
espconn_delete(state->espconn_http_tcp);
|
|
}
|
|
}
|
|
|
|
static void enduser_setup_ap_stop(void)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "enduser_setup_station_stop");
|
|
|
|
wifi_set_opmode(~SOFTAP_MODE & wifi_get_opmode());
|
|
}
|
|
|
|
|
|
static void enduser_setup_ap_start(void)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "enduser_setup_ap_start");
|
|
|
|
struct softap_config cnf;
|
|
c_memset(&(cnf), 0, sizeof(struct softap_config));
|
|
|
|
#ifndef ENDUSER_SETUP_AP_SSID
|
|
#define ENDUSER_SETUP_AP_SSID "SetupGadget"
|
|
#endif
|
|
|
|
char ssid[] = ENDUSER_SETUP_AP_SSID;
|
|
int ssid_name_len = c_strlen(ssid);
|
|
c_memcpy(&(cnf.ssid), ssid, ssid_name_len);
|
|
|
|
uint8_t mac[6];
|
|
wifi_get_macaddr(SOFTAP_IF, mac);
|
|
cnf.ssid[ssid_name_len] = '_';
|
|
c_sprintf(cnf.ssid + ssid_name_len + 1, "%02X%02X%02X", mac[3], mac[4], mac[5]);
|
|
cnf.ssid_len = ssid_name_len + 7;
|
|
cnf.channel = 1;
|
|
cnf.authmode = AUTH_OPEN;
|
|
cnf.ssid_hidden = 0;
|
|
cnf.max_connection = 5;
|
|
cnf.beacon_interval = 100;
|
|
wifi_set_opmode(STATIONAP_MODE);
|
|
wifi_softap_set_config(&cnf);
|
|
}
|
|
|
|
|
|
static void enduser_setup_dns_recv_callback(void *arg, char *recv_data, unsigned short recv_len)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "enduser_setup_dns_recv_callback.");
|
|
|
|
struct espconn *callback_espconn = arg;
|
|
struct ip_info ip_info;
|
|
|
|
uint32_t qname_len = c_strlen(&(recv_data[12])) + 1; // \0=1byte
|
|
uint32_t dns_reply_static_len = (uint32_t) sizeof(dns_header) + (uint32_t) sizeof(dns_body) + 2 + 4; // dns_id=2bytes, ip=4bytes
|
|
uint32_t dns_reply_len = dns_reply_static_len + qname_len;
|
|
|
|
uint8_t if_mode = wifi_get_opmode();
|
|
if ((if_mode & SOFTAP_MODE) == 0)
|
|
{
|
|
ENDUSER_SETUP_ERROR_VOID("dns_recv_callback failed. Interface mode not supported.", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
|
|
uint8_t if_index = (if_mode == STATION_MODE? STATION_IF : SOFTAP_IF);
|
|
if (wifi_get_ip_info(if_index , &ip_info) == false)
|
|
{
|
|
ENDUSER_SETUP_ERROR_VOID("dns_recv_callback failed. Unable to get interface IP.", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
|
|
|
|
char *dns_reply = (char *) c_malloc(dns_reply_len);
|
|
if (dns_reply == NULL)
|
|
{
|
|
ENDUSER_SETUP_ERROR_VOID("dns_recv_callback failed. Failed to allocate memory.", ENDUSER_SETUP_ERR_OUT_OF_MEMORY, ENDUSER_SETUP_ERR_NONFATAL);
|
|
}
|
|
|
|
uint32_t insert_byte = 0;
|
|
c_memcpy(&(dns_reply[insert_byte]), recv_data, 2);
|
|
insert_byte += 2;
|
|
c_memcpy(&(dns_reply[insert_byte]), dns_header, sizeof(dns_header));
|
|
insert_byte += (uint32_t) sizeof(dns_header);
|
|
c_memcpy(&(dns_reply[insert_byte]), &(recv_data[12]), qname_len);
|
|
insert_byte += qname_len;
|
|
c_memcpy(&(dns_reply[insert_byte]), dns_body, sizeof(dns_body));
|
|
insert_byte += (uint32_t) sizeof(dns_body);
|
|
c_memcpy(&(dns_reply[insert_byte]), &(ip_info.ip), 4);
|
|
|
|
// SDK 1.4.0 changed behaviour, for UDP server need to look up remote ip/port
|
|
remot_info *pr = 0;
|
|
if (espconn_get_connection_info(callback_espconn, &pr, 0) != ESPCONN_OK)
|
|
{
|
|
ENDUSER_SETUP_ERROR_VOID("dns_recv_callback failed. Unable to get IP of UDP sender.", ENDUSER_SETUP_ERR_CONNECTION_NOT_FOUND, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
callback_espconn->proto.udp->remote_port = pr->remote_port;
|
|
os_memmove(callback_espconn->proto.udp->remote_ip, pr->remote_ip, 4);
|
|
|
|
int8_t err;
|
|
err = espconn_send(callback_espconn, dns_reply, dns_reply_len);
|
|
c_free(dns_reply);
|
|
if (err == ESPCONN_MEM)
|
|
{
|
|
ENDUSER_SETUP_ERROR_VOID("dns_recv_callback failed. Failed to allocate memory for send.", ENDUSER_SETUP_ERR_OUT_OF_MEMORY, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
else if (err == ESPCONN_ARG)
|
|
{
|
|
ENDUSER_SETUP_ERROR_VOID("dns_recv_callback failed. Can't execute transmission.", ENDUSER_SETUP_ERR_CONNECTION_NOT_FOUND, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
else if (err != 0)
|
|
{
|
|
ENDUSER_SETUP_ERROR_VOID("dns_recv_callback failed. espconn_send failed", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
}
|
|
|
|
|
|
static void enduser_setup_free(void)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "enduser_setup_free");
|
|
|
|
if (state == NULL)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (state->espconn_dns_udp != NULL)
|
|
{
|
|
if (state->espconn_dns_udp->proto.udp != NULL)
|
|
{
|
|
c_free(state->espconn_dns_udp->proto.udp);
|
|
}
|
|
c_free(state->espconn_dns_udp);
|
|
}
|
|
|
|
if (state->espconn_http_tcp != NULL)
|
|
{
|
|
if (state->espconn_http_tcp->proto.tcp != NULL)
|
|
{
|
|
c_free(state->espconn_http_tcp->proto.tcp);
|
|
}
|
|
c_free(state->espconn_http_tcp);
|
|
}
|
|
c_free(state->http_payload_data);
|
|
|
|
free_scan_listeners ();
|
|
|
|
c_free(state);
|
|
state = NULL;
|
|
}
|
|
|
|
|
|
static int enduser_setup_dns_start(void)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "enduser_setup_dns_start");
|
|
|
|
if (state->espconn_dns_udp != NULL)
|
|
{
|
|
ENDUSER_SETUP_ERROR("dns_start failed. Appears to already be started (espconn_dns_udp != NULL).", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
state->espconn_dns_udp = (struct espconn *) c_malloc(sizeof(struct espconn));
|
|
if (state->espconn_dns_udp == NULL)
|
|
{
|
|
ENDUSER_SETUP_ERROR("dns_start failed. Memory allocation failed (espconn_dns_udp == NULL).", ENDUSER_SETUP_ERR_OUT_OF_MEMORY, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
|
|
esp_udp *esp_udp_data = (esp_udp *) c_malloc(sizeof(esp_udp));
|
|
if (esp_udp_data == NULL)
|
|
{
|
|
ENDUSER_SETUP_ERROR("dns_start failed. Memory allocation failed (esp_udp == NULL).", ENDUSER_SETUP_ERR_OUT_OF_MEMORY, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
|
|
c_memset(state->espconn_dns_udp, 0, sizeof(struct espconn));
|
|
c_memset(esp_udp_data, 0, sizeof(esp_udp));
|
|
state->espconn_dns_udp->proto.udp = esp_udp_data;
|
|
state->espconn_dns_udp->type = ESPCONN_UDP;
|
|
state->espconn_dns_udp->state = ESPCONN_NONE;
|
|
esp_udp_data->local_port = 53;
|
|
|
|
int8_t err;
|
|
err = espconn_regist_recvcb(state->espconn_dns_udp, enduser_setup_dns_recv_callback);
|
|
if (err != 0)
|
|
{
|
|
ENDUSER_SETUP_ERROR("dns_start failed. Couldn't add receive callback, unknown error.", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
|
|
err = espconn_create(state->espconn_dns_udp);
|
|
if (err == ESPCONN_ISCONN)
|
|
{
|
|
ENDUSER_SETUP_ERROR("dns_start failed. Couldn't create connection, already listening for that connection.", ENDUSER_SETUP_ERR_SOCKET_ALREADY_OPEN, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
else if (err == ESPCONN_MEM)
|
|
{
|
|
ENDUSER_SETUP_ERROR("dns_start failed. Couldn't create connection, out of memory.", ENDUSER_SETUP_ERR_OUT_OF_MEMORY, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
else if (err != 0)
|
|
{
|
|
ENDUSER_SETUP_ERROR("dns_start failed. Couldn't create connection, unknown error.", ENDUSER_SETUP_ERR_UNKOWN_ERROR, ENDUSER_SETUP_ERR_FATAL);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void enduser_setup_dns_stop(void)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(lua_getstate(), "enduser_setup_dns_stop");
|
|
|
|
if (state->espconn_dns_udp != NULL)
|
|
{
|
|
espconn_delete(state->espconn_dns_udp);
|
|
}
|
|
}
|
|
|
|
|
|
static int enduser_setup_init(lua_State *L)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(L, "enduser_setup_init");
|
|
|
|
if (state != NULL)
|
|
{
|
|
enduser_setup_error(L, "init failed. Appears to already be started.", ENDUSER_SETUP_ERR_UNKOWN_ERROR);
|
|
return ENDUSER_SETUP_ERR_UNKOWN_ERROR;
|
|
}
|
|
|
|
state = (enduser_setup_state_t *) os_zalloc(sizeof(enduser_setup_state_t));
|
|
if (state == NULL)
|
|
{
|
|
enduser_setup_error(L, "init failed. Unable to allocate memory.", ENDUSER_SETUP_ERR_OUT_OF_MEMORY);
|
|
return ENDUSER_SETUP_ERR_OUT_OF_MEMORY;
|
|
}
|
|
c_memset(state, 0, sizeof(enduser_setup_state_t));
|
|
|
|
state->lua_connected_cb_ref = LUA_NOREF;
|
|
state->lua_err_cb_ref = LUA_NOREF;
|
|
state->lua_dbg_cb_ref = LUA_NOREF;
|
|
|
|
if (!lua_isnoneornil(L, 1))
|
|
{
|
|
lua_pushvalue(L, 1);
|
|
state->lua_connected_cb_ref = luaL_ref(L, LUA_REGISTRYINDEX);
|
|
}
|
|
else
|
|
{
|
|
state->lua_connected_cb_ref = LUA_NOREF;
|
|
}
|
|
|
|
if (!lua_isnoneornil(L, 2))
|
|
{
|
|
lua_pushvalue (L, 2);
|
|
state->lua_err_cb_ref = luaL_ref(L, LUA_REGISTRYINDEX);
|
|
}
|
|
else
|
|
{
|
|
state->lua_err_cb_ref = LUA_NOREF;
|
|
}
|
|
|
|
if (!lua_isnoneornil(L, 3))
|
|
{
|
|
lua_pushvalue (L, 3);
|
|
state->lua_dbg_cb_ref = luaL_ref(L, LUA_REGISTRYINDEX);
|
|
}
|
|
else
|
|
{
|
|
state->lua_dbg_cb_ref = LUA_NOREF;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int enduser_setup_manual (lua_State *L)
|
|
{
|
|
if (!lua_isnoneornil (L, 1))
|
|
manual = lua_toboolean (L, 1);
|
|
lua_pushboolean (L, manual);
|
|
return 1;
|
|
}
|
|
|
|
|
|
static int enduser_setup_start(lua_State *L)
|
|
{
|
|
ENDUSER_SETUP_DEBUG(L, "enduser_setup_start");
|
|
|
|
if(enduser_setup_init(L))
|
|
goto failed;
|
|
|
|
if (!manual)
|
|
{
|
|
enduser_setup_check_station_start();
|
|
enduser_setup_ap_start();
|
|
}
|
|
|
|
if(enduser_setup_dns_start())
|
|
goto failed;
|
|
|
|
if(enduser_setup_http_start())
|
|
goto failed;
|
|
|
|
goto out;
|
|
|
|
failed:
|
|
enduser_setup_stop(L);
|
|
out:
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int enduser_setup_stop(lua_State* L)
|
|
{
|
|
if (!manual)
|
|
{
|
|
enduser_setup_check_station_stop();
|
|
enduser_setup_ap_stop();
|
|
}
|
|
enduser_setup_dns_stop();
|
|
enduser_setup_http_stop();
|
|
enduser_setup_free();
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static const LUA_REG_TYPE enduser_setup_map[] = {
|
|
{ LSTRKEY( "manual" ), LFUNCVAL( enduser_setup_manual )},
|
|
{ LSTRKEY( "start" ), LFUNCVAL( enduser_setup_start )},
|
|
{ LSTRKEY( "stop" ), LFUNCVAL( enduser_setup_stop )},
|
|
{ LNILKEY, LNILVAL}
|
|
};
|
|
|
|
NODEMCU_MODULE(ENDUSER_SETUP, "enduser_setup", enduser_setup_map, NULL);
|