arduino/esp8266
1
0
Fork 0
mirror of https://github.com/esp8266/Arduino.git synced 2025-06-12 01:53:07 +03:00
Code Activity

Fixes by SwiCago on DNSServer

Browse Source 
Fixes by SwiCago on this forum comment
http://www.esp8266.com/viewtopic.php?p=23900#p23900
This commit is contained in:
aalku
2015-08-13 10:06:18 +02:00
committed by Ivan Grokhotkov
parent 278c980ed8
commit a2f3637ed4
3 changed files with 133 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
libraries/DNSServer/src/DNSServer.cpp
View File

@ -2,6 +2,9 @@
#include <lwip/def.h>
#include <Arduino.h>
#define DEBUG
#define DEBUG_OUTPUT Serial
DNSServer::DNSServer()
{
_ttl = htonl(60);
@ -110,16 +113,43 @@ void DNSServer::replyWithIP()
{
_dnsHeader->QR = DNS_QR_RESPONSE;
_dnsHeader->ANCount = _dnsHeader->QDCount;
_dnsHeader->QDCount = 0;
_dnsHeader->QDCount = _dnsHeader->QDCount;
//_dnsHeader->RA = 1;
_udp.beginPacket(_udp.remoteIP(), _udp.remotePort());
_udp.write(_buffer, _currentPacketSize);
_udp.write((uint8_t)192); // answer name is a pointer
_udp.write((uint8_t)12); // pointer to offset at 0x00c
_udp.write((uint8_t)0); // 0x0001 answer is type A query (host address)
_udp.write((uint8_t)1);
_udp.write((uint8_t)0); //0x0001 answer is class IN (internet address)
_udp.write((uint8_t)1);
_udp.write((unsigned char*)&_ttl, 4);
// Length of RData is 4 bytes (because, in this case, RData is IPv4)
_udp.write((uint8_t)0);
_udp.write((uint8_t)4);
_udp.write(_resolvedIP, sizeof(_resolvedIP));
_udp.endPacket();
#ifdef DEBUG
DEBUG_OUTPUT.print("DNS responds: ");
DEBUG_OUTPUT.print(_resolvedIP[0]);
DEBUG_OUTPUT.print(".");
DEBUG_OUTPUT.print(_resolvedIP[1]);
DEBUG_OUTPUT.print(".");
DEBUG_OUTPUT.print(_resolvedIP[2]);
DEBUG_OUTPUT.print(".");
DEBUG_OUTPUT.print(_resolvedIP[3]);
DEBUG_OUTPUT.print(" for ");
DEBUG_OUTPUT.println(getDomainNameWithoutWwwPrefix());
#endif
}
void DNSServer::replyWithCustomCode()
@ -131,4 +161,4 @@ void DNSServer::replyWithCustomCode()
_udp.beginPacket(_udp.remoteIP(), _udp.remotePort());
_udp.write(_buffer, sizeof(DNSHeader));
_udp.endPacket();
}
}

2
libraries/DNSServer/src/DNSServer.h
View File

@ -68,4 +68,4 @@ class DNSServer
void replyWithIP();
void replyWithCustomCode();
};
#endif
#endif