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address parsing

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- straightened out setting of public addr and public port in config vs listen ("bind") addr
- fixed small bug in router contact writing and saving
This commit is contained in:
dr7ana 2023-12-07 14:39:39 -08:00
parent 267a698da1
commit 6a32148402
10 changed files with 117 additions and 107 deletions
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6
daemon/lokinet.cpp
View File

@ -593,7 +593,7 @@ namespace
exit_code.set_value(1);
return;
}
catch (std::exception& ex)
catch (const std::exception& ex)
{
llarp::LogError(fmt::format("failed to start up lokinet: {}", ex.what()));
exit_code.set_value(1);
@ -604,9 +604,9 @@ namespace
auto result = ctx->Run(opts);
exit_code.set_value(result);
}
catch (std::exception& e)
catch (const std::exception& e)
{
llarp::LogError("Fatal: caught exception while running: ", e.what());
llarp::LogError("Fatal: caught exception while running: {}", e.what());
exit_code.set_exception(std::current_exception());
}
catch (...)

93
llarp/config/config.cpp
View File

@ -19,8 +19,6 @@
namespace llarp
{
constexpr int DEFAULT_PUBLIC_PORT = 1090;
using namespace config;
namespace
{
@ -134,19 +132,7 @@ namespace llarp
"this setting specifies the public IP at which this router is reachable. When",
"provided the public-port option must also be specified.",
},
[this, net = params.Net_ptr()](std::string arg) {
if (arg.empty())
return;
nuint32_t addr{};
if (not addr.FromString(arg))
throw std::invalid_argument{fmt::format("{} is not a valid IPv4 address", arg)};
if (net->IsBogonIP(addr))
throw std::invalid_argument{
fmt::format("{} is not a publicly routable ip address", addr)};
public_ip = addr;
});
[this](std::string arg) { public_ip = std::move(arg); });
conf.define_option<std::string>("router", "public-address", Hidden, [](std::string) {
throw std::invalid_argument{
@ -154,19 +140,18 @@ namespace llarp
"[router]:public-port instead"};
});
conf.define_option<int>(
conf.define_option<uint16_t>(
"router",
"public-port",
RelayOnly,
Default{DEFAULT_PUBLIC_PORT},
Comment{
"When specifying public-ip=, this specifies the public UDP port at which this lokinet",
"router is reachable. Required when public-ip is used.",
},
[this](int arg) {
[this](uint16_t arg) {
if (arg <= 0 || arg > std::numeric_limits<uint16_t>::max())
throw std::invalid_argument("public-port must be >= 0 and <= 65536");
public_port = ToNet(huint16_t{static_cast<uint16_t>(arg)});
public_port = arg;
});
conf.define_option<int>(
@ -912,27 +897,38 @@ namespace llarp
conf.define_option<std::string>(
"bind",
"public-ip",
Hidden,
RelayOnly,
Comment{
"The IP address to advertise to the network instead of the incoming= or auto-detected",
"IP. This is typically required only when incoming= is used to listen on an internal",
"private range IP address that received traffic forwarded from the public IP.",
},
[this](std::string_view arg) {
SockAddr pubaddr{arg};
public_addr = pubaddr.getIP();
[this](std::string arg) {
public_addr = std::move(arg);
log::warning(
logcat,
"Using deprecated option; pass this value to [Router]:public-ip instead PLEASE");
});
conf.define_option<uint16_t>(
"bind",
"public-port",
Hidden,
RelayOnly,
Comment{
"The port to advertise to the network instead of the incoming= (or default) port.",
"This is typically required only when incoming= is used to listen on an internal",
"private range IP address/port that received traffic forwarded from the public IP.",
},
[this](uint16_t arg) { public_port = net::port_t::from_host(arg); });
[this](uint16_t arg) {
if (arg <= 0 || arg > std::numeric_limits<uint16_t>::max())
throw std::invalid_argument("public-port must be >= 0 and <= 65536");
public_port = arg;
log::warning(
logcat,
"Using deprecated option; pass this value to [Router]:public-port instead PLEASE");
});
auto parse_addr_for_link = [net_ptr](const std::string& arg) {
std::optional<oxen::quic::Address> maybe = std::nullopt;
@ -1004,11 +1000,13 @@ namespace llarp
},
[this, parse_addr_for_link](const std::string& arg) {
if (auto a = parse_addr_for_link(arg); a and a->is_addressable())
addr = *a;
{
listen_addr = *a;
using_user_value = true;
using_new_api = true;
}
else
throw std::invalid_argument{"Could not parse listen address!"};
using_new_api = true;
});
conf.define_option<std::string>(
@ -1022,21 +1020,17 @@ namespace llarp
throw std::runtime_error{"USE THE NEW API -- SPECIFY LOCAL ADDRESS UNDER [LISTEN]"};
if (auto a = parse_addr_for_link(arg); a and a->is_addressable())
addr = *a;
{
log::warning(
logcat,
"Loaded address from deprecated [inbound] options; update your config to use "
"[bind]:listen instead PLEASE");
listen_addr = *a;
using_user_value = true;
}
});
conf.define_option<std::string>(
"bind",
"outbound",
MultiValue,
Hidden,
[this, parse_addr_for_link](const std::string& arg) {
if (using_new_api)
throw std::runtime_error{"USE THE NEW API -- SPECIFY LOCAL ADDRESS UNDER [LISTEN]"};
if (auto a = parse_addr_for_link(arg); a and a->is_addressable())
addr = *a;
});
conf.define_option<std::string>("bind", "outbound", MultiValue, Deprecated, Hidden);
conf.add_undeclared_handler(
"bind", [this](std::string_view, std::string_view key, std::string_view val) {
@ -1055,7 +1049,11 @@ namespace llarp
// special case: wildcard for outbound
if (key == "*")
{
addr = oxen::quic::Address{port};
log::warning(
logcat,
"Wildcat address referencing port {} is referencing deprecated outbound config "
"options; use [bind]:listen instead",
port);
return;
}
@ -1074,16 +1072,17 @@ namespace llarp
e.what())};
}
if (temp.is_addressable())
if (not temp.is_addressable())
{
addr = std::move(temp);
return;
throw std::runtime_error{fmt::format(
"Invalid address: {}; stop using this deprecated handler, update your config to "
"use "
"[bind]:listen instead PLEASE",
temp)};
}
throw std::runtime_error{fmt::format(
"Invalid address: {}; stop using this deprecated handler, update your config to use "
"[bind]:listen instead PLEASE",
temp)};
listen_addr = std::move(temp);
using_user_value = true;
});
}

22
llarp/config/config.hpp
View File

@ -34,8 +34,9 @@ namespace llarp
using SectionValues = llarp::ConfigParser::SectionValues;
using ConfigMap = llarp::ConfigParser::ConfigMap;
inline static constexpr uint16_t DEFAULT_LISTEN_PORT{1090};
constexpr int CLIENT_ROUTER_CONNECTIONS = 4;
inline const std::string QUAD_ZERO{"0.0.0.0"};
inline constexpr uint16_t DEFAULT_LISTEN_PORT{1090};
inline constexpr int CLIENT_ROUTER_CONNECTIONS = 4;
// TODO: don't use these maps. they're sloppy and difficult to follow
/// Small struct to gather all parameters needed for config generation to reduce the number of
@ -77,10 +78,9 @@ namespace llarp
std::string transkey_file;
bool is_relay = false;
/// deprecated
std::optional<net::ipaddr_t> public_ip;
/// deprecated
std::optional<net::port_t> public_port;
std::optional<std::string> public_ip;
std::optional<uint16_t> public_port;
void
define_config_options(ConfigDefinition& conf, const ConfigGenParameters& params);
@ -170,10 +170,14 @@ namespace llarp
struct LinksConfig
{
std::optional<net::ipaddr_t> public_addr;
std::optional<net::port_t> public_port;
// DEPRECATED -- use [Router]:public_addr
std::optional<std::string> public_addr;
// DEPRECATED -- use [Router]:public_port
std::optional<uint16_t> public_port;
oxen::quic::Address addr{""s, DEFAULT_LISTEN_PORT};
std::optional<oxen::quic::Address> listen_addr;
bool using_user_value = false;
bool using_new_api = false;
void

10
llarp/link/link_manager.hpp
View File

@ -417,8 +417,14 @@ namespace llarp
connid_map.emplace(conn_interface->scid(), rc.router_id());
auto [itr, b] = conns.emplace(rc.router_id(), nullptr);
auto control_stream =
conn_interface->template get_new_stream<oxen::quic::BTRequestStream>();
auto control_stream = conn_interface->template get_new_stream<oxen::quic::BTRequestStream>(
[](oxen::quic::Stream& s, uint64_t error_code) {
log::warning(
logcat,
"BTRequestStream closed unexpectedly (ec:{}); closing connection...",
error_code);
s.conn.close_connection(error_code);
});
itr->second = std::make_shared<link::Connection>(conn_interface, control_stream, rc);
return true;

2
llarp/nodedb.hpp
View File

@ -165,7 +165,7 @@ namespace llarp
std::atomic<int> fetch_failures{0}, bootstrap_failures{0};
std::atomic<bool> _using_bootstrap_fallback{false}, _needs_rebootstrap{false},
_needs_initial_fetch{false};
_needs_initial_fetch{true};
bool
want_rc(const RouterID& rid) const;

79
llarp/router/router.cpp
View File

@ -563,38 +563,39 @@ namespace llarp
transport_keyfile = _key_manager->transkey_path;
identity_keyfile = _key_manager->idkey_path;
std::optional<SockAddr> _ourAddress;
std::optional<std::string> paddr = (conf.router.public_ip) ? conf.router.public_ip
: (conf.links.public_addr) ? conf.links.public_addr
: std::nullopt;
std::optional<uint16_t> pport = (conf.router.public_port) ? conf.router.public_port
: (conf.links.public_port) ? conf.links.public_port
: std::nullopt;
if (auto maybe_ip = conf.links.public_addr)
_ourAddress = var::visit([](auto&& ip) { return SockAddr{ip}; }, *maybe_ip);
else if (auto maybe_ip = conf.router.public_ip)
_ourAddress = var::visit([](auto&& ip) { return SockAddr{ip}; }, *maybe_ip);
if (pport.has_value() and not paddr.has_value())
throw std::runtime_error{"If public-port is specified, public-addr must be as well!"};
if (_ourAddress)
if (conf.links.listen_addr)
{
if (auto maybe_port = conf.links.public_port)
_ourAddress->setPort(*maybe_port);
else if (auto maybe_port = conf.router.public_port)
_ourAddress->setPort(*maybe_port);
else
throw std::runtime_error{"public ip provided without public port"};
log::debug(logcat, "Using {} for our public address", *_ourAddress);
_public_address = oxen::quic::Address{static_cast<const sockaddr*>(*_ourAddress)};
log::critical(logcat, "PUBLIC ADDR: {}", *_public_address);
_listen_address = *conf.links.listen_addr;
}
else
{
log::debug(logcat, "No explicit public address given; inferring now...");
if (paddr or pport)
throw std::runtime_error{"Must specify [bind]:listen in config with public ip/addr!"};
if (auto maybe_addr = net().GetBestNetIF())
{
_public_address = oxen::quic::Address{static_cast<const sockaddr*>(*maybe_addr)};
log::critical(logcat, "PUBLIC ADDR: {}", *_public_address);
_listen_address = oxen::quic::Address{static_cast<const sockaddr*>(*maybe_addr)};
_listen_address.set_port(DEFAULT_LISTEN_PORT);
}
else
throw std::runtime_error{"Could not find net interface on current platform!"};
}
_listen_addr = conf.links.addr;
_public_address = (not paddr and not pport)
? _listen_address
: oxen::quic::Address{*paddr, pport ? *pport : DEFAULT_LISTEN_PORT};
log::critical(logcat, "listen_addr:{} \t public_addr:{}", _listen_address, _public_address);
RouterContact::BLOCK_BOGONS = conf.router.block_bogons;
@ -886,29 +887,27 @@ namespace llarp
next_rc_gossip = now_timepoint + RouterContact::STALE_AGE - random_delta;
}
}
if (needs_initial_fetch())
{
node_db()->fetch_initial();
}
else if (needs_rebootstrap() and next_bootstrap_attempt > now_timepoint)
{
node_db()->fallback_to_bootstrap();
}
else
{
if (needs_initial_fetch())
// (client-only) periodically fetch updated RCs
if (now_timepoint - last_rc_fetch > RC_UPDATE_INTERVAL)
{
node_db()->fetch_initial();
node_db()->fetch_rcs();
}
else if (needs_rebootstrap() and next_bootstrap_attempt > now_timepoint)
{
node_db()->fallback_to_bootstrap();
}
else
{
// (client-only) periodically fetch updated RCs
if (now_timepoint - last_rc_fetch > RC_UPDATE_INTERVAL)
{
node_db()->fetch_rcs();
}
// (client-only) periodically fetch updated RouterID list
if (now_timepoint - last_rid_fetch > ROUTERID_UPDATE_INTERVAL)
{
node_db()->fetch_rids();
}
// (client-only) periodically fetch updated RouterID list
if (now_timepoint - last_rid_fetch > ROUTERID_UPDATE_INTERVAL)
{
node_db()->fetch_rids();
}
}
@ -1084,7 +1083,7 @@ namespace llarp
return false;
router_contact = LocalRC::make(
identity(), _is_service_node and _public_address ? *_public_address : _listen_addr);
identity(), _is_service_node and _public_address ? *_public_address : _listen_address);
_link_manager = LinkManager::make(*this);
@ -1374,7 +1373,7 @@ namespace llarp
oxen::quic::Address
Router::listen_addr() const
{
return _listen_addr;
return _listen_address;
}
void

2
llarp/router/router.hpp
View File

@ -92,7 +92,7 @@ namespace llarp
consensus::reachability_testing router_testing;
std::optional<oxen::quic::Address> _public_address; // public addr for relays
oxen::quic::Address _listen_addr;
oxen::quic::Address _listen_address;
EventLoop_ptr _loop;
std::shared_ptr<vpn::Platform> _vpn;

4
llarp/router_contact.hpp
View File

@ -312,7 +312,9 @@ namespace llarp
public:
RemoteRC() = default;
RemoteRC(std::string_view data) : RemoteRC{oxenc::bt_dict_consumer{data}}
{}
{
_payload = {reinterpret_cast<const unsigned char*>(data.data()), data.size()};
}
RemoteRC(ustring_view data) : RemoteRC{oxenc::bt_dict_consumer{data}}
{
_payload = data;

2
llarp/router_contact_local.cpp
View File

@ -79,7 +79,7 @@ namespace llarp
return sig;
});
_payload = btdp.view<unsigned char>();
_payload = ustring{btdp.view<unsigned char>()};
}
void

4
llarp/router_contact_remote.cpp
View File

@ -75,11 +75,11 @@ namespace llarp
RemoteRC::read(const fs::path& fname)
{
ustring buf;
buf.reserve(MAX_RC_SIZE);
buf.resize(MAX_RC_SIZE);
try
{
util::file_to_buffer(fname, buf.data(), MAX_RC_SIZE);
util::file_to_buffer(fname, buf.data(), buf.size());
oxenc::bt_dict_consumer btdc{buf};
bt_load(btdc);