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Added captive portal functionality

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This commit is contained in:
Kristijan Novoselic 2015-06-19 20:21:19 +02:00 committed by Ivan Grokhotkov
parent bcdb580d7a
commit 3bbe9b56c6
5 changed files with 40 additions and 6 deletions
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34
libraries/DNSServer/examples/CaptivePortal/CaptivePortal.ino Normal file
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@ -0,0 +1,34 @@
#include <ESP8266WiFi.h>
#include <DNSServer.h>
#include <ESP8266WebServer.h>
const byte DNS_PORT = 53;
IPAddress apIP(192, 168, 1, 1);
DNSServer dnsServer;
ESP8266WebServer webServer(80);
String responseHTML = ""
"<!DOCTYPE html><html><head><title>CaptivePortal</title></head><body>"
"<h1>Hello World!</h1><p>This is a captive portal example. All requests will "
"be redirected here.</p></body></html>";
void setup() {
WiFi.mode(WIFI_AP);
WiFi.softAPConfig(apIP, apIP, IPAddress(255, 255, 255, 0));
WiFi.softAP("DNSServer CaptivePortal example");
// if DNSServer is started with "*" for domain name, it will reply with
// provided IP to all DNS request
dnsServer.start(DNS_PORT, "*", apIP);
// replay to all requests with same HTML
webServer.onNotFound([]() {
webServer.send(200, "text/html", responseHTML);
});
webServer.begin();
}
void loop() {
dnsServer.processNextRequest();
webServer.handleClient();
}

2
libraries/DNSServer/library.properties
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@ -1,5 +1,5 @@
name=DNSServer name=DNSServer
version=1.0.0 version=1.1.0
author=Kristijan Novoselić author=Kristijan Novoselić
maintainer=Kristijan Novoselić, <kristijan.novoselic@gmail.com> maintainer=Kristijan Novoselić, <kristijan.novoselic@gmail.com>
sentence=A simple DNS server for ESP8266. sentence=A simple DNS server for ESP8266.

3
libraries/DNSServer/src/DNSServer.cpp
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@ -54,7 +54,8 @@ void DNSServer::processNextRequest()
if (_dnsHeader->QR == DNS_QR_QUERY && if (_dnsHeader->QR == DNS_QR_QUERY &&
_dnsHeader->OPCode == DNS_OPCODE_QUERY && _dnsHeader->OPCode == DNS_OPCODE_QUERY &&
requestIncludesOnlyOneQuestion() && requestIncludesOnlyOneQuestion() &&
getDomainNameWithoutWwwPrefix() == _domainName) (_domainName == "*" || getDomainNameWithoutWwwPrefix() == _domainName)
)
{ {
replyWithIP(); replyWithIP();
} }

1
libraries/DNSServer/src/DNSServer.h
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@ -62,7 +62,6 @@ class DNSServer
uint32_t _ttl; uint32_t _ttl;
DNSReplyCode _errorReplyCode; DNSReplyCode _errorReplyCode;
void downcaseAndRemoveWwwPrefix(String &domainName); void downcaseAndRemoveWwwPrefix(String &domainName);
String getDomainNameWithoutWwwPrefix(); String getDomainNameWithoutWwwPrefix();
bool requestIncludesOnlyOneQuestion(); bool requestIncludesOnlyOneQuestion();