bootstrap_daemon: proxy configuration support

src/daemon/command_parser_executor.cpp

@@ -887,16 +887,66 @@ bool t_command_parser_executor::check_blockchain_pruning(const std::vector<std::
 
 bool t_command_parser_executor::set_bootstrap_daemon(const std::vector<std::string>& args)
 {
-  const size_t args_count = args.size();
-  if (args_count < 1 || args_count > 3)
+  struct parsed_t
+  {
+    std::string address;
+    std::string user;
+    std::string password;
+    std::string proxy;
+  };
+
+  boost::optional<parsed_t> parsed = [&args]() -> boost::optional<parsed_t> {
+    const size_t args_count = args.size();
+    if (args_count == 0)
+    {
+      return {};
+    }
+    if (args[0] == "auto")
+    {
+      if (args_count == 1)
+      {
+        return {{args[0], "", "", ""}};
+      }
+      if (args_count == 2)
+      {
+        return {{args[0], "", "", args[1]}};
+      }
+    }
+    else if (args[0] == "none")
+    {
+      if (args_count == 1)
+      {
+        return {{"", "", "", ""}};
+      }
+    }
+    else
+    {
+      if (args_count == 1)
+      {
+        return {{args[0], "", "", ""}};
+      }
+      if (args_count == 2)
+      {
+        return {{args[0], "", "", args[1]}};
+      }
+      if (args_count == 3)
+      {
+        return {{args[0], args[1], args[2], ""}};
+      }
+      if (args_count == 4)
+      {
+        return {{args[0], args[1], args[2], args[3]}};
+      }
+    }
+    return {};
+  }();
+
+  if (!parsed)
   {
     return false;
   }
 
-  return m_executor.set_bootstrap_daemon(
-    args[0] != "none" ? args[0] : std::string(),
-    args_count > 1 ? args[1] : std::string(),
-    args_count > 2 ? args[2] : std::string());
+  return m_executor.set_bootstrap_daemon(parsed->address, parsed->user, parsed->password, parsed->proxy);
 }
 
 bool t_command_parser_executor::flush_cache(const std::vector<std::string>& args)

src/daemon/command_server.cpp

@@ -324,7 +324,7 @@ t_command_server::t_command_server(
     m_command_lookup.set_handler(
       "set_bootstrap_daemon"
     , std::bind(&t_command_parser_executor::set_bootstrap_daemon, &m_parser, p::_1)
-    , "set_bootstrap_daemon (auto | none | host[:port] [username] [password])"
+    , "set_bootstrap_daemon (auto | none | host[:port] [username] [password]) [proxy_ip:proxy_port]"
     , "URL of a 'bootstrap' remote daemon that the connected wallets can use while this daemon is still not fully synced.\n"
       "Use 'auto' to enable automatic public nodes discovering and bootstrap daemon switching"
     );

src/daemon/rpc_command_executor.cpp

@@ -2405,7 +2405,8 @@ bool t_rpc_command_executor::check_blockchain_pruning()
 bool t_rpc_command_executor::set_bootstrap_daemon(
   const std::string &address,
   const std::string &username,
-  const std::string &password)
+  const std::string &password,
+  const std::string &proxy)
 {
     cryptonote::COMMAND_RPC_SET_BOOTSTRAP_DAEMON::request req;
     cryptonote::COMMAND_RPC_SET_BOOTSTRAP_DAEMON::response res;
@@ -2414,6 +2415,7 @@ bool t_rpc_command_executor::set_bootstrap_daemon(
     req.address = address;
     req.username = username;
     req.password = password;
+    req.proxy = proxy;
 
     if (m_is_rpc)
     {

src/daemon/rpc_command_executor.h

@@ -168,7 +168,8 @@ public:
   bool set_bootstrap_daemon(
     const std::string &address,
     const std::string &username,
-    const std::string &password);
+    const std::string &password,
+    const std::string &proxy);
 
   bool rpc_payments();
 

src/rpc/bootstrap_daemon.cpp

@@ -7,6 +7,7 @@
 #include "crypto/crypto.h"
 #include "cryptonote_core/cryptonote_core.h"
 #include "misc_log_ex.h"
+#include "net/parse.h"
 
 #undef MONERO_DEFAULT_LOG_CATEGORY
 #define MONERO_DEFAULT_LOG_CATEGORY "daemon.rpc.bootstrap_daemon"
@@ -16,19 +17,23 @@ namespace cryptonote
 
   bootstrap_daemon::bootstrap_daemon(
     std::function<std::map<std::string, bool>()> get_public_nodes,
-    bool rpc_payment_enabled)
+    bool rpc_payment_enabled,
+    const std::string &proxy)
     : m_selector(new bootstrap_node::selector_auto(std::move(get_public_nodes)))
     , m_rpc_payment_enabled(rpc_payment_enabled)
   {
+    set_proxy(proxy);
   }
 
   bootstrap_daemon::bootstrap_daemon(
     const std::string &address,
     boost::optional<epee::net_utils::http::login> credentials,
-    bool rpc_payment_enabled)
+    bool rpc_payment_enabled,
+    const std::string &proxy)
     : m_selector(nullptr)
     , m_rpc_payment_enabled(rpc_payment_enabled)
   {
+    set_proxy(proxy);
     if (!set_server(address, std::move(credentials)))
     {
       throw std::runtime_error("invalid bootstrap daemon address or credentials");
@@ -78,6 +83,18 @@ namespace cryptonote
     return success;
   }
 
+  void bootstrap_daemon::set_proxy(const std::string &address)
+  {
+    if (!address.empty() && !net::get_tcp_endpoint(address))
+    {
+      throw std::runtime_error("invalid proxy address format");
+    }
+    if (!m_http_client.set_proxy(address))
+    {
+      throw std::runtime_error("failed to set proxy address");
+    }
+  }
+
   bool bootstrap_daemon::set_server(const std::string &address, const boost::optional<epee::net_utils::http::login> &credentials /* = boost::none */)
   {
     if (!m_http_client.set_server(address, credentials))

src/rpc/bootstrap_daemon.h

@@ -8,7 +8,7 @@
 #include <boost/thread/mutex.hpp>
 #include <boost/utility/string_ref.hpp>
 
-#include "net/http_client.h"
+#include "net/http.h"
 #include "storages/http_abstract_invoke.h"
 
 #include "bootstrap_node_selector.h"
@@ -21,11 +21,13 @@ namespace cryptonote
   public:
     bootstrap_daemon(
       std::function<std::map<std::string, bool>()> get_public_nodes,
-      bool rpc_payment_enabled);
+      bool rpc_payment_enabled,
+      const std::string &proxy);
     bootstrap_daemon(
       const std::string &address,
       boost::optional<epee::net_utils::http::login> credentials,
-      bool rpc_payment_enabled);
+      bool rpc_payment_enabled,
+      const std::string &proxy);
 
     std::string address() const noexcept;
     boost::optional<std::pair<uint64_t, uint64_t>> get_height();
@@ -72,12 +74,14 @@ namespace cryptonote
       return handle_result(result, result_struct.status);
     }
 
+    void set_proxy(const std::string &address);
+
   private:
     bool set_server(const std::string &address, const boost::optional<epee::net_utils::http::login> &credentials = boost::none);
     bool switch_server_if_needed();
 
   private:
-    epee::net_utils::http::http_simple_client m_http_client;
+    net::http::client m_http_client;
     const bool m_rpc_payment_enabled;
     const std::unique_ptr<bootstrap_node::selector> m_selector;
     boost::mutex m_selector_mutex;

src/rpc/core_rpc_server.cpp

@@ -154,6 +154,7 @@ namespace cryptonote
     command_line::add_arg(desc, arg_restricted_rpc);
     command_line::add_arg(desc, arg_bootstrap_daemon_address);
     command_line::add_arg(desc, arg_bootstrap_daemon_login);
+    command_line::add_arg(desc, arg_bootstrap_daemon_proxy);
     cryptonote::rpc_args::init_options(desc, true);
     command_line::add_arg(desc, arg_rpc_payment_address);
     command_line::add_arg(desc, arg_rpc_payment_difficulty);
@@ -172,7 +173,10 @@ namespace cryptonote
     , m_rpc_payment_allow_free_loopback(false)
   {}
   //------------------------------------------------------------------------------------------------------------------------------
-  bool core_rpc_server::set_bootstrap_daemon(const std::string &address, const std::string &username_password)
+  bool core_rpc_server::set_bootstrap_daemon(
+    const std::string &address,
+    const std::string &username_password,
+    const std::string &proxy)
   {
     boost::optional<epee::net_utils::http::login> credentials;
     const auto loc = username_password.find(':');
@@ -180,7 +184,7 @@ namespace cryptonote
     {
       credentials = epee::net_utils::http::login(username_password.substr(0, loc), username_password.substr(loc + 1));
     }
-    return set_bootstrap_daemon(address, credentials);
+    return set_bootstrap_daemon(address, credentials, proxy);
   }
   //------------------------------------------------------------------------------------------------------------------------------
   std::map<std::string, bool> core_rpc_server::get_public_nodes(uint32_t credits_per_hash_threshold/* = 0*/)
@@ -217,7 +221,10 @@ namespace cryptonote
     return result;
   }
   //------------------------------------------------------------------------------------------------------------------------------
-  bool core_rpc_server::set_bootstrap_daemon(const std::string &address, const boost::optional<epee::net_utils::http::login> &credentials)
+  bool core_rpc_server::set_bootstrap_daemon(
+    const std::string &address,
+    const boost::optional<epee::net_utils::http::login> &credentials,
+    const std::string &proxy)
   {
     boost::unique_lock<boost::shared_mutex> lock(m_bootstrap_daemon_mutex);
 
@@ -233,11 +240,11 @@ namespace cryptonote
       auto get_nodes = [this]() {
         return get_public_nodes(credits_per_hash_threshold);
       };
-      m_bootstrap_daemon.reset(new bootstrap_daemon(std::move(get_nodes), rpc_payment_enabled));
+      m_bootstrap_daemon.reset(new bootstrap_daemon(std::move(get_nodes), rpc_payment_enabled, proxy));
     }
     else
     {
-      m_bootstrap_daemon.reset(new bootstrap_daemon(address, credentials, rpc_payment_enabled));
+      m_bootstrap_daemon.reset(new bootstrap_daemon(address, credentials, rpc_payment_enabled, proxy));
     }
 
     m_should_use_bootstrap_daemon = m_bootstrap_daemon.get() != nullptr;
@@ -318,8 +325,10 @@ namespace cryptonote
         MWARNING("The RPC server is accessible from the outside, but no RPC payment was setup. RPC access will be free for all.");
     }
 
-    if (!set_bootstrap_daemon(command_line::get_arg(vm, arg_bootstrap_daemon_address),
-      command_line::get_arg(vm, arg_bootstrap_daemon_login)))
+    if (!set_bootstrap_daemon(
+          command_line::get_arg(vm, arg_bootstrap_daemon_address),
+          command_line::get_arg(vm, arg_bootstrap_daemon_login),
+          command_line::get_arg(vm, arg_bootstrap_daemon_proxy)))
     {
       MFATAL("Failed to parse bootstrap daemon address");
       return false;
@@ -1597,7 +1606,7 @@ namespace cryptonote
       credentials = epee::net_utils::http::login(req.username, req.password);
     }
 
-    if (set_bootstrap_daemon(req.address, credentials))
+    if (set_bootstrap_daemon(req.address, credentials, req.proxy))
     {
       res.status = CORE_RPC_STATUS_OK;
     }
@@ -3386,6 +3395,12 @@ namespace cryptonote
     , ""
     };
 
+  const command_line::arg_descriptor<std::string> core_rpc_server::arg_bootstrap_daemon_proxy = {
+      "bootstrap-daemon-proxy"
+    , "<ip>:<port> socks proxy to use for bootstrap daemon connections"
+    , ""
+    };
+
   const command_line::arg_descriptor<std::string> core_rpc_server::arg_rpc_payment_address = {
       "rpc-payment-address"
     , "Restrict RPC to clients sending micropayment to this address"

src/rpc/core_rpc_server.h

@@ -72,6 +72,7 @@ namespace cryptonote
     static const command_line::arg_descriptor<bool> arg_rpc_ssl_allow_any_cert;
     static const command_line::arg_descriptor<std::string> arg_bootstrap_daemon_address;
     static const command_line::arg_descriptor<std::string> arg_bootstrap_daemon_login;
+    static const command_line::arg_descriptor<std::string> arg_bootstrap_daemon_proxy;
     static const command_line::arg_descriptor<std::string> arg_rpc_payment_address;
     static const command_line::arg_descriptor<uint64_t> arg_rpc_payment_difficulty;
     static const command_line::arg_descriptor<uint64_t> arg_rpc_payment_credits;
@@ -270,8 +271,14 @@ private:
     uint64_t get_block_reward(const block& blk);
     bool fill_block_header_response(const block& blk, bool orphan_status, uint64_t height, const crypto::hash& hash, block_header_response& response, bool fill_pow_hash);
     std::map<std::string, bool> get_public_nodes(uint32_t credits_per_hash_threshold = 0);
-    bool set_bootstrap_daemon(const std::string &address, const std::string &username_password);
-    bool set_bootstrap_daemon(const std::string &address, const boost::optional<epee::net_utils::http::login> &credentials);
+    bool set_bootstrap_daemon(
+      const std::string &address,
+      const std::string &username_password,
+      const std::string &proxy);
+    bool set_bootstrap_daemon(
+      const std::string &address,
+      const boost::optional<epee::net_utils::http::login> &credentials,
+      const std::string &proxy);
     enum invoke_http_mode { JON, BIN, JON_RPC };
     template <typename COMMAND_TYPE>
     bool use_bootstrap_daemon_if_necessary(const invoke_http_mode &mode, const std::string &command_name, const typename COMMAND_TYPE::request& req, typename COMMAND_TYPE::response& res, bool &r);

src/rpc/core_rpc_server_commands_defs.h

@@ -1663,11 +1663,13 @@ namespace cryptonote
       std::string address;
       std::string username;
       std::string password;
+      std::string proxy;
 
       BEGIN_KV_SERIALIZE_MAP()
         KV_SERIALIZE(address)
         KV_SERIALIZE(username)
         KV_SERIALIZE(password)
+        KV_SERIALIZE(proxy)
       END_KV_SERIALIZE_MAP()
     };
     typedef epee::misc_utils::struct_init<request_t> request;