lokinet/llarp/dns/win32_platform.cpp

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#include "win32_platform.hpp"
#include <llarp/net/net.hpp>
namespace llarp::dns::win32
{
void
Platform::set_resolver(unsigned int index, llarp::SockAddr dns, bool)
{
#ifdef _WIN32
// clear any previous dns settings
m_UndoDNS.clear();
auto interfaces = m_Loop->Net_ptr()->AllNetworkInterfaces();
// remove dns
{
std::vector<llarp::win32::OneShotExec> jobs;
for (const auto& ent : interfaces)
{
if (ent.index == index)
continue;
jobs.emplace_back(
"netsh.exe", fmt::format("interface ipv4 delete dns \"{}\" all", ent.name));
jobs.emplace_back(
"netsh.exe", fmt::format("interface ipv6 delete dns \"{}\" all", ent.name));
}
}
// add new dns
{
std::vector<llarp::win32::OneShotExec> jobs;
for (const auto& ent : interfaces)
{
if (ent.index == index)
continue;
jobs.emplace_back(
"netsh.exe",
fmt::format("interface ipv4 add dns \"{}\" {} validate=no", ent.name, dns.asIPv4()));
jobs.emplace_back(
"netsh.exe",
fmt::format("interface ipv6 add dns \"{}\" {} validate=no", ent.name, dns.asIPv6()));
m_UndoDNS.emplace_back("netsh.exe", fmt::format("", index));
}
m_UndoDNS.emplace_back("netsh.exe", "winsock reset");
}
// flush dns
llarp::win32::Exec("ipconfig.exe", "/flushdns");
#endif
}
} // namespace llarp::dns::win32