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Added support for IPv6 addresses in DNS.

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This commit is contained in:
Matias Fontanini
2012-11-20 23:57:02 -03:00
parent 2a0b248518
commit 08b4c92dac
5 changed files with 53 additions and 8 deletions
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17
src/dns.cpp
View File

@@ -34,6 +34,7 @@
#include <memory>
#include "dns.h"
#include "ip_address.h"
#include "ipv6_address.h"
using std::string;
using std::list;
@@ -166,6 +167,13 @@ void DNS::add_answer(const string &name, const DNSResourceRecord::info &info,
dns.answers = Endian::host_to_be<uint16_t>(ans.size());
}
void DNS::add_answer(const string &name, const DNSResourceRecord::info &info,
address_v6_type ip)
{
ans.push_back(make_record(name, info, ip.begin(), address_v6_type::address_size));
dns.answers = Endian::host_to_be<uint16_t>(ans.size());
}
void DNS::add_answer(const std::string &name, const DNSResourceRecord::info &info,
const std::string &dname)
{
@@ -433,14 +441,7 @@ void DNS::convert_resources(const ResourcesType &lst, std::list<Resource> &res)
if(Endian::be_to_host(it->information().type) == DNS::AAAA) {
if(sz != 16)
throw std::runtime_error("Malformed IPv6 address");
std::ostringstream oss;
oss << std::hex;
for(size_t i = 0; i < 16; i += 2) {
oss << (int)ptr[i] << (int)ptr[i+1];
if(i != 14)
oss << ':';
}
addr = oss.str();
addr = IPv6Address(ptr).to_string();
}
else
compose_name(ptr, sz, addr);

4
src/ipv6_address.cpp
View File

@@ -41,6 +41,10 @@ namespace Tins {
std::fill(address, address + address_size, 0);
}
IPv6Address::IPv6Address(const_iterator ptr) {
std::copy(ptr, ptr + address_size, address);
}
IPv6Address::IPv6Address(const std::string &addr) {
if(inet_pton(AF_INET6, addr.c_str(), address) == 0)
throw malformed_address();