@ -31,10 +31,13 @@
#pragma once
#include <algorithm>
#include <arpa/inet.h>
#include <sstream>
#include "version.h"
#include "string_tools.h"
#include "common/util.h"
#include "common/dns_utils.h"
#include "net/net_helper.h"
#include "math_helper.h"
#include "p2p_protocol_defs.h"
@ -195,41 +198,108 @@ namespace nodetool
return true;
}
//-----------------------------------------------------------------------------------
inline void add_hardcoded_seed_node(
std::vector<net_address> & seed_nodes
, std::string const & addr
)
namespace
{
using namespace boost::asio;
size_t pos = addr.find_last_of(':');
CHECK_AND_ASSERT_MES_NO_RET(std::string::npos != pos && addr.length() - 1 != pos && 0 != pos, "Failed to parse seed address from string: '" << addr << '\'');
std::string host = addr.substr(0, pos);
std::string port = addr.substr(pos + 1);
io_service io_srv;
ip::tcp::resolver resolver(io_srv);
ip::tcp::resolver::query query(host, port);
boost::system::error_code ec;
ip::tcp::resolver::iterator i = resolver.resolve(query, ec);
CHECK_AND_ASSERT_MES_NO_RET(!ec, "Failed to resolve host name '" << host << "': " << ec.message() << ':' << ec.value());
ip::tcp::resolver::iterator iend;
for (; i != iend; ++i)
template<typename T>
bool append_net_address(T& nodes, const std::string& addr)
{
ip::tcp::endpoint endpoint = *i;
if (endpoint.address().is_v4())
in_addr_t bytes;
// in6_addr_t bytes6; // for IPv6 support, eventually
size_t pos = addr.find_last_of(':');
CHECK_AND_ASSERT_MES(std::string::npos != pos && addr.length() - 1 != pos && 0 != pos, false, "Failed to parse seed address from string: '" << addr << '\'');
std::string host = addr.substr(0, pos);
std::string port = addr.substr(pos + 1);
// attempt to get port number from string
std::stringstream parser(port);
uint32_t portNum;
if (parser >> portNum)
{
// make sure port in valid range (could check > 1000, really)
if (portNum < 65536 && portNum > 0)
{
return false;
}
}
else
{
return false;
}
// attempt to get network-bytes for ipv4 address
if (inet_pton(AF_INET, host.c_str(), &bytes) != 1)
{
// if that fails, maybe it's a hostname, try to resolve
std::vector<std::string> addr_list = tools::DNSResolver::instance().get_ipv4(host);
// if hostname DNS resolution fails, return false
if (addr_list.size() == 0)
{
return false;
}
// add each resultant IP to seeds
for (const std::string& a : addr_list)
{
// could call append_net_address recursively here to avoid code repeat
if (inet_pton(AF_INET, a.c_str(), &bytes) == 1)
{
nodetool::net_address na;
na.ip = bytes;
na.port = portNum;
nodes.push_back(na);
}
}
}
// if conversion was success (passed string was IP address, not hostname),
// add IP to seeds
else
{
nodetool::net_address na;
na.ip = boost::asio::detail::socket_ops::host_to_network_long(endpoint.address().to_v4().to_ulong());
na.port = endpoint.port();
seed_nodes.push_back(na);
LOG_PRINT_L4("Added seed node: " << endpoint.address().to_v4().to_string(ec) << ':' << na.port);
na.ip = bytes;
na.port = portNum;
nodes.push_back(na);
}
/* same as above, but for ipv6. Use when the time comes.
// attempt to get network-bytes for ipv6 address
if (inet_pton(AF_INET6, host.c_str(), &bytes6) != 1)
{
// if that fails, maybe it's a hostname, try to resolve
std::vector<std::string> addr_list = tools::DNSResolver::instance().get_ipv6(host);
// if hostname DNS resolution fails, return false
if (addr_list.size() == 0)
{
return false;
}
// add each resultant IP to seeds
for (const std::string& a : addr_list)
{
// could call append_net_address recursively here to avoid code repeat
if (inet_pton(AF_INET6, a.c_str(), &bytes6) == 1)
{
nodetool::net_address6 na;
na.ip = bytes6;
na.port = portNum;
nodes.push_back(na);
}
}
}
// if conversion was success (passed string was IP address, not hostname),
// add IP to seeds
else
{
LOG_PRINT_L2("IPv6 doesn't supported, skip '" << host << "' -> " << endpoint.address().to_v6().to_string(ec));
nodetool::net_address6 na;
na.ip = bytes6;
na.port = portNum;
nodes.push_back(na);
}
*/
return true;
}
}
@ -239,9 +309,9 @@ namespace nodetool
{
if (testnet)
{
add_hardcoded_seed_node (m_seed_nodes, "107.152.187.202:28080");
add_hardcoded_seed_node (m_seed_nodes, "197.242.158.240:28080");
add_hardcoded_seed_node (m_seed_nodes, "107.152.130.98:28080");
append_net_address (m_seed_nodes, "107.152.187.202:28080");
append_net_address (m_seed_nodes, "197.242.158.240:28080");
append_net_address (m_seed_nodes, "107.152.130.98:28080");
}
else
{
@ -260,17 +330,17 @@ namespace nodetool
if (!m_seed_nodes.size())
{
add_hardcoded_seed_node (m_seed_nodes, "62.210.78.186:18080");
add_hardcoded_seed_node (m_seed_nodes, "195.12.60.154:18080");
add_hardcoded_seed_node (m_seed_nodes, "54.241.246.125:18080");
add_hardcoded_seed_node (m_seed_nodes, "107.170.157.169:18080");
add_hardcoded_seed_node (m_seed_nodes, "54.207.112.216:18080");
add_hardcoded_seed_node (m_seed_nodes, "78.27.112.54:18080");
add_hardcoded_seed_node (m_seed_nodes, "209.222.30.57:18080");
add_hardcoded_seed_node (m_seed_nodes, "80.71.13.55:18080");
add_hardcoded_seed_node (m_seed_nodes, "107.178.112.126:18080");
add_hardcoded_seed_node (m_seed_nodes, "107.158.233.98:18080");
add_hardcoded_seed_node (m_seed_nodes, "64.22.111.2:18080");
append_net_address (m_seed_nodes, "62.210.78.186:18080");
append_net_address (m_seed_nodes, "195.12.60.154:18080");
append_net_address (m_seed_nodes, "54.241.246.125:18080");
append_net_address (m_seed_nodes, "107.170.157.169:18080");
append_net_address (m_seed_nodes, "54.207.112.216:18080");
append_net_address (m_seed_nodes, "78.27.112.54:18080");
append_net_address (m_seed_nodes, "209.222.30.57:18080");
append_net_address (m_seed_nodes, "80.71.13.55:18080");
append_net_address (m_seed_nodes, "107.178.112.126:18080");
append_net_address (m_seed_nodes, "107.158.233.98:18080");
append_net_address (m_seed_nodes, "64.22.111.2:18080");
}
}