Add ssl_options support to monerod's rpc mode.

14 files changed, 160 insertions, 140 deletions

diff --git a/contrib/epee/include/net/net_fwd.h b/contrib/epee/include/net/net_fwd.h
new file mode 100644
index 000000000..ba4fe6259
--- /dev/null
+++ b/contrib/epee/include/net/net_fwd.h
@@ -0,0 +1,38 @@
+// Copyright (c) 2019, The Monero Project
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#pragma once
+
+namespace epee
+{
+  namespace net_utils
+  {
+    struct ssl_authentication_t;
+    class ssl_options_t;
+  }
+}
diff --git a/src/common/rpc_client.h b/src/common/rpc_client.h
index cb5f79da8..dab3e562d 100644
--- a/src/common/rpc_client.h
+++ b/src/common/rpc_client.h
@@ -36,6 +36,7 @@
 #include "storages/http_abstract_invoke.h"
 #include "net/http_auth.h"
 #include "net/http_client.h"
+#include "net/net_ssl.h"
 #include "string_tools.h"
 
 namespace tools
@@ -49,11 +50,12 @@ namespace tools
         uint32_t ip
       , uint16_t port
       , boost::optional<epee::net_utils::http::login> user
+      , epee::net_utils::ssl_options_t ssl_options
       )
       : m_http_client{}
     {
       m_http_client.set_server(
-        epee::string_tools::get_ip_string_from_int32(ip), std::to_string(port), std::move(user)
+        epee::string_tools::get_ip_string_from_int32(ip), std::to_string(port), std::move(user), std::move(ssl_options)
       );
     }
 
diff --git a/src/daemon/command_parser_executor.cpp b/src/daemon/command_parser_executor.cpp
index 17b945c9a..0b452800e 100644
--- a/src/daemon/command_parser_executor.cpp
+++ b/src/daemon/command_parser_executor.cpp
@@ -40,10 +40,11 @@ t_command_parser_executor::t_command_parser_executor(
     uint32_t ip
   , uint16_t port
   , const boost::optional<tools::login>& login
+  , const epee::net_utils::ssl_options_t& ssl_options
   , bool is_rpc
   , cryptonote::core_rpc_server* rpc_server
   )
-  : m_executor(ip, port, login, is_rpc, rpc_server)
+  : m_executor(ip, port, login, ssl_options, is_rpc, rpc_server)
 {}
 
 bool t_command_parser_executor::print_peer_list(const std::vector<std::string>& args)
diff --git a/src/daemon/command_parser_executor.h b/src/daemon/command_parser_executor.h
index 098018642..2efd78ec0 100644
--- a/src/daemon/command_parser_executor.h
+++ b/src/daemon/command_parser_executor.h
@@ -40,6 +40,7 @@
 
 #include "daemon/rpc_command_executor.h"
 #include "common/common_fwd.h"
+#include "net/net_fwd.h"
 #include "rpc/core_rpc_server.h"
 
 namespace daemonize {
@@ -53,6 +54,7 @@ public:
       uint32_t ip
     , uint16_t port
     , const boost::optional<tools::login>& login
+    , const epee::net_utils::ssl_options_t& ssl_options
     , bool is_rpc
     , cryptonote::core_rpc_server* rpc_server = NULL
     );
diff --git a/src/daemon/command_server.cpp b/src/daemon/command_server.cpp
index 69ad6ff10..f665eec9c 100644
--- a/src/daemon/command_server.cpp
+++ b/src/daemon/command_server.cpp
@@ -43,10 +43,11 @@ t_command_server::t_command_server(
     uint32_t ip
   , uint16_t port
   , const boost::optional<tools::login>& login
+  , const epee::net_utils::ssl_options_t& ssl_options
   , bool is_rpc
   , cryptonote::core_rpc_server* rpc_server
   )
-  : m_parser(ip, port, login, is_rpc, rpc_server)
+  : m_parser(ip, port, login, ssl_options, is_rpc, rpc_server)
   , m_command_lookup()
   , m_is_rpc(is_rpc)
 {
diff --git a/src/daemon/command_server.h b/src/daemon/command_server.h
index c8e77f551..da532223e 100644
--- a/src/daemon/command_server.h
+++ b/src/daemon/command_server.h
@@ -43,6 +43,7 @@ Passing RPC commands:
 #include "common/common_fwd.h"
 #include "console_handler.h"
 #include "daemon/command_parser_executor.h"
+#include "net/net_fwd.h"
 
 namespace daemonize {
 
@@ -57,6 +58,7 @@ public:
       uint32_t ip
     , uint16_t port
     , const boost::optional<tools::login>& login
+    , const epee::net_utils::ssl_options_t& ssl_options
     , bool is_rpc = true
     , cryptonote::core_rpc_server* rpc_server = NULL
     );
diff --git a/src/daemon/daemon.cpp b/src/daemon/daemon.cpp
index 531c080de..5084b6283 100644
--- a/src/daemon/daemon.cpp
+++ b/src/daemon/daemon.cpp
@@ -45,6 +45,7 @@
 #include "daemon/command_server.h"
 #include "daemon/command_server.h"
 #include "daemon/command_line_args.h"
+#include "net/net_ssl.h"
 #include "version.h"
 
 using namespace epee;
@@ -163,7 +164,7 @@ bool t_daemon::run(bool interactive)
     if (interactive && mp_internals->rpcs.size())
     {
       // The first three variables are not used when the fourth is false
-      rpc_commands.reset(new daemonize::t_command_server(0, 0, boost::none, false, mp_internals->rpcs.front()->get_server()));
+      rpc_commands.reset(new daemonize::t_command_server(0, 0, boost::none, epee::net_utils::ssl_support_t::e_ssl_support_disabled, false, mp_internals->rpcs.front()->get_server()));
       rpc_commands->start_handling(std::bind(&daemonize::t_daemon::stop_p2p, this));
     }
 
diff --git a/src/daemon/main.cpp b/src/daemon/main.cpp
index dbbb2308c..690d4d60e 100644
--- a/src/daemon/main.cpp
+++ b/src/daemon/main.cpp
@@ -324,7 +324,11 @@ int main(int argc, char const * argv[])
           }
         }
 
-        daemonize::t_command_server rpc_commands{rpc_ip, rpc_port, std::move(login)};
+        auto ssl_options = cryptonote::rpc_args::process_ssl(vm, true);
+        if (!ssl_options)
+          return 1;
+
+        daemonize::t_command_server rpc_commands{rpc_ip, rpc_port, std::move(login), std::move(*ssl_options)};
         if (rpc_commands.process_command_vec(command))
         {
           return 0;
diff --git a/src/daemon/rpc_command_executor.cpp b/src/daemon/rpc_command_executor.cpp
index 151baa33f..cca0f75f9 100644
--- a/src/daemon/rpc_command_executor.cpp
+++ b/src/daemon/rpc_command_executor.cpp
@@ -127,6 +127,7 @@ t_rpc_command_executor::t_rpc_command_executor(
     uint32_t ip
   , uint16_t port
   , const boost::optional<tools::login>& login
+  , const epee::net_utils::ssl_options_t& ssl_options
   , bool is_rpc
   , cryptonote::core_rpc_server* rpc_server
   )
@@ -137,7 +138,7 @@ t_rpc_command_executor::t_rpc_command_executor(
     boost::optional<epee::net_utils::http::login> http_login{};
     if (login)
       http_login.emplace(login->username, login->password.password());
-    m_rpc_client = new tools::t_rpc_client(ip, port, std::move(http_login));
+    m_rpc_client = new tools::t_rpc_client(ip, port, std::move(http_login), ssl_options);
   }
   else
   {
diff --git a/src/daemon/rpc_command_executor.h b/src/daemon/rpc_command_executor.h
index 3c2686b3f..df2894d09 100644
--- a/src/daemon/rpc_command_executor.h
+++ b/src/daemon/rpc_command_executor.h
@@ -43,6 +43,7 @@
 #include "common/common_fwd.h"
 #include "common/rpc_client.h"
 #include "cryptonote_basic/cryptonote_basic.h"
+#include "net/net_fwd.h"
 #include "rpc/core_rpc_server.h"
 
 #undef MONERO_DEFAULT_LOG_CATEGORY
@@ -61,6 +62,7 @@ public:
       uint32_t ip
     , uint16_t port
     , const boost::optional<tools::login>& user
+    , const epee::net_utils::ssl_options_t& ssl_options
     , bool is_rpc = true
     , cryptonote::core_rpc_server* rpc_server = NULL
     );
diff --git a/src/rpc/core_rpc_server.cpp b/src/rpc/core_rpc_server.cpp
index 5777370fc..5ca5f3fe7 100644
--- a/src/rpc/core_rpc_server.cpp
+++ b/src/rpc/core_rpc_server.cpp
@@ -90,15 +90,9 @@ namespace cryptonote
     command_line::add_arg(desc, arg_rpc_bind_port);
     command_line::add_arg(desc, arg_rpc_restricted_bind_port);
     command_line::add_arg(desc, arg_restricted_rpc);
-    command_line::add_arg(desc, arg_rpc_ssl);
-    command_line::add_arg(desc, arg_rpc_ssl_private_key);
-    command_line::add_arg(desc, arg_rpc_ssl_certificate);
-    command_line::add_arg(desc, arg_rpc_ssl_ca_certificates);
-    command_line::add_arg(desc, arg_rpc_ssl_allowed_fingerprints);
-    command_line::add_arg(desc, arg_rpc_ssl_allow_any_cert);
     command_line::add_arg(desc, arg_bootstrap_daemon_address);
     command_line::add_arg(desc, arg_bootstrap_daemon_login);
-    cryptonote::rpc_args::init_options(desc);
+    cryptonote::rpc_args::init_options(desc, true);
   }
   //------------------------------------------------------------------------------------------------------------------------------
   core_rpc_server::core_rpc_server(
@@ -118,7 +112,7 @@ namespace cryptonote
     m_restricted = restricted;
     m_net_server.set_threads_prefix("RPC");
 
-    auto rpc_config = cryptonote::rpc_args::process(vm);
+    auto rpc_config = cryptonote::rpc_args::process(vm, true);
     if (!rpc_config)
       return false;
 
@@ -151,46 +145,9 @@ namespace cryptonote
     if (rpc_config->login)
       http_login.emplace(std::move(rpc_config->login->username), std::move(rpc_config->login->password).password());
 
-    epee::net_utils::ssl_options_t ssl_options = epee::net_utils::ssl_support_t::e_ssl_support_autodetect;
-    if (command_line::get_arg(vm, arg_rpc_ssl_allow_any_cert))
-      ssl_options.verification = epee::net_utils::ssl_verification_t::none;
-    else
-    {
-      std::string ssl_ca_path = command_line::get_arg(vm, arg_rpc_ssl_ca_certificates);
-      const std::vector<std::string> ssl_allowed_fingerprint_strings = command_line::get_arg(vm, arg_rpc_ssl_allowed_fingerprints);
-      std::vector<std::vector<uint8_t>> ssl_allowed_fingerprints{ ssl_allowed_fingerprint_strings.size() };
-      std::transform(ssl_allowed_fingerprint_strings.begin(), ssl_allowed_fingerprint_strings.end(), ssl_allowed_fingerprints.begin(), epee::from_hex::vector);
-      for (const auto &fpr: ssl_allowed_fingerprints)
-      {
-        if (fpr.size() != SSL_FINGERPRINT_SIZE)
-        {
-          MERROR("SHA-256 fingerprint should be " BOOST_PP_STRINGIZE(SSL_FINGERPRINT_SIZE) " bytes long.");
-          return false;
-        }
-      }
-
-      if (!ssl_ca_path.empty() || !ssl_allowed_fingerprints.empty())
-        ssl_options = epee::net_utils::ssl_options_t{std::move(ssl_allowed_fingerprints), std::move(ssl_ca_path)};
-    }
-
-    ssl_options.auth = epee::net_utils::ssl_authentication_t{
-      command_line::get_arg(vm, arg_rpc_ssl_private_key), command_line::get_arg(vm, arg_rpc_ssl_certificate)
-    };
-
-    // user specified CA file or fingeprints implies enabled SSL by default
-    if (ssl_options.verification != epee::net_utils::ssl_verification_t::user_certificates || !command_line::is_arg_defaulted(vm, arg_rpc_ssl))
-    {
-      const std::string ssl = command_line::get_arg(vm, arg_rpc_ssl);
-      if (!epee::net_utils::ssl_support_from_string(ssl_options.support, ssl))
-      {
-        MFATAL("Invalid RPC SSL support: " << ssl);
-        return false;
-      }
-    }
-
     auto rng = [](size_t len, uint8_t *ptr){ return crypto::rand(len, ptr); };
     return epee::http_server_impl_base<core_rpc_server, connection_context>::init(
-      rng, std::move(port), std::move(rpc_config->bind_ip), std::move(rpc_config->access_control_origins), std::move(http_login), std::move(ssl_options)
+      rng, std::move(port), std::move(rpc_config->bind_ip), std::move(rpc_config->access_control_origins), std::move(http_login), std::move(rpc_config->ssl_options)
     );
   }
   //------------------------------------------------------------------------------------------------------------------------------
@@ -2439,40 +2396,6 @@ namespace cryptonote
     , false
     };
 
-  const command_line::arg_descriptor<std::string> core_rpc_server::arg_rpc_ssl = {
-      "rpc-ssl"
-    , "Enable SSL on RPC connections: enabled|disabled|autodetect"
-    , "autodetect"
-    };
-
-  const command_line::arg_descriptor<std::string> core_rpc_server::arg_rpc_ssl_private_key = {
-      "rpc-ssl-private-key"
-    , "Path to a PEM format private key"
-    , ""
-    };
-
-  const command_line::arg_descriptor<std::string> core_rpc_server::arg_rpc_ssl_certificate = {
-      "rpc-ssl-certificate"
-    , "Path to a PEM format certificate"
-    , ""
-    };
-
-  const command_line::arg_descriptor<std::string> core_rpc_server::arg_rpc_ssl_ca_certificates = {
-      "rpc-ssl-ca-certificates"
-    , "Path to file containing concatenated PEM format certificate(s) to replace system CA(s)."
-    };
-
-  const command_line::arg_descriptor<std::vector<std::string>> core_rpc_server::arg_rpc_ssl_allowed_fingerprints = {
-      "rpc-ssl-allowed-fingerprints"
-    , "List of certificate fingerprints to allow"
-  };
-
-  const command_line::arg_descriptor<bool> core_rpc_server::arg_rpc_ssl_allow_any_cert = {
-      "rpc-ssl-allow-any-cert"
-    , "Allow any peer certificate"
-    , false
-    };
-
   const command_line::arg_descriptor<std::string> core_rpc_server::arg_bootstrap_daemon_address = {
       "bootstrap-daemon-address"
     , "URL of a 'bootstrap' remote daemon that the connected wallets can use while this daemon is still not fully synced"
diff --git a/src/rpc/rpc_args.cpp b/src/rpc/rpc_args.cpp
index f2be94f51..4479bd1f1 100644
--- a/src/rpc/rpc_args.cpp
+++ b/src/rpc/rpc_args.cpp
@@ -33,28 +33,95 @@
 #include <boost/bind.hpp>
 #include "common/command_line.h"
 #include "common/i18n.h"
+#include "hex.h"
 
 namespace cryptonote
 {
+  namespace
+  {
+    boost::optional<epee::net_utils::ssl_options_t> do_process_ssl(const boost::program_options::variables_map& vm, const rpc_args::descriptors& arg, const bool any_cert_option)
+    {
+      bool ssl_required = false;
+      epee::net_utils::ssl_options_t ssl_options = epee::net_utils::ssl_support_t::e_ssl_support_enabled;
+      if (any_cert_option && command_line::get_arg(vm, arg.rpc_ssl_allow_any_cert))
+        ssl_options.verification = epee::net_utils::ssl_verification_t::none;
+      else
+      {
+        std::string ssl_ca_file = command_line::get_arg(vm, arg.rpc_ssl_ca_certificates);
+        const std::vector<std::string> ssl_allowed_fingerprints = command_line::get_arg(vm, arg.rpc_ssl_allowed_fingerprints);
+
+        std::vector<std::vector<uint8_t>> allowed_fingerprints{ ssl_allowed_fingerprints.size() };
+        std::transform(ssl_allowed_fingerprints.begin(), ssl_allowed_fingerprints.end(), allowed_fingerprints.begin(), epee::from_hex::vector);
+        for (const auto &fpr: allowed_fingerprints)
+        {
+          if (fpr.size() != SSL_FINGERPRINT_SIZE)
+          {
+            MERROR("SHA-256 fingerprint should be " BOOST_PP_STRINGIZE(SSL_FINGERPRINT_SIZE) " bytes long.");
+            return boost::none;
+          }
+        }
+
+        if (!allowed_fingerprints.empty() || !ssl_ca_file.empty())
+        {
+          ssl_required = true;
+          ssl_options = epee::net_utils::ssl_options_t{
+            std::move(allowed_fingerprints), std::move(ssl_ca_file)
+          };
+
+          if (command_line::get_arg(vm, arg.rpc_ssl_allow_chained))
+            ssl_options.verification = epee::net_utils::ssl_verification_t::user_ca;
+        }
+      }
+
+      // user specified CA file or fingeprints implies enabled SSL by default
+      if (!ssl_required && !epee::net_utils::ssl_support_from_string(ssl_options.support, command_line::get_arg(vm, arg.rpc_ssl)))
+      {
+        MERROR("Invalid argument for " << std::string(arg.rpc_ssl.name));
+        return boost::none;
+      }
+
+      ssl_options.auth = epee::net_utils::ssl_authentication_t{
+        command_line::get_arg(vm, arg.rpc_ssl_private_key), command_line::get_arg(vm, arg.rpc_ssl_certificate)
+      };
+
+      return {std::move(ssl_options)};
+    }
+  } // anonymous
+
   rpc_args::descriptors::descriptors()
      : rpc_bind_ip({"rpc-bind-ip", rpc_args::tr("Specify IP to bind RPC server"), "127.0.0.1"})
      , rpc_login({"rpc-login", rpc_args::tr("Specify username[:password] required for RPC server"), "", true})
      , confirm_external_bind({"confirm-external-bind", rpc_args::tr("Confirm rpc-bind-ip value is NOT a loopback (local) IP")})
      , rpc_access_control_origins({"rpc-access-control-origins", rpc_args::tr("Specify a comma separated list of origins to allow cross origin resource sharing"), ""})
+     , rpc_ssl({"rpc-ssl", rpc_args::tr("Enable SSL on RPC connections: enabled|disabled|autodetect"), "autodetect"})
+     , rpc_ssl_private_key({"rpc-ssl-private-key", rpc_args::tr("Path to a PEM format private key"), ""})
+     , rpc_ssl_certificate({"rpc-ssl-certificate", rpc_args::tr("Path to a PEM format certificate"), ""})
+     , rpc_ssl_ca_certificates({"rpc-ssl-ca-certificates", rpc_args::tr("Path to file containing concatenated PEM format certificate(s) to replace system CA(s)."), ""})
+     , rpc_ssl_allowed_fingerprints({"rpc-ssl-allowed-fingerprints", rpc_args::tr("List of certificate fingerprints to allow")})
+     , rpc_ssl_allow_chained({"rpc-ssl-allow-chained", rpc_args::tr("Allow user (via --rpc-ssl-certificates) chain certificates"), false})
+     , rpc_ssl_allow_any_cert({"rpc-ssl-allow-any-cert", rpc_args::tr("Allow any peer certificate"), false})
   {}
 
   const char* rpc_args::tr(const char* str) { return i18n_translate(str, "cryptonote::rpc_args"); }
 
-  void rpc_args::init_options(boost::program_options::options_description& desc)
+  void rpc_args::init_options(boost::program_options::options_description& desc, const bool any_cert_option)
   {
     const descriptors arg{};
     command_line::add_arg(desc, arg.rpc_bind_ip);
     command_line::add_arg(desc, arg.rpc_login);
     command_line::add_arg(desc, arg.confirm_external_bind);
     command_line::add_arg(desc, arg.rpc_access_control_origins);
+    command_line::add_arg(desc, arg.rpc_ssl);
+    command_line::add_arg(desc, arg.rpc_ssl_private_key);
+    command_line::add_arg(desc, arg.rpc_ssl_certificate);
+    command_line::add_arg(desc, arg.rpc_ssl_ca_certificates);
+    command_line::add_arg(desc, arg.rpc_ssl_allowed_fingerprints);
+    command_line::add_arg(desc, arg.rpc_ssl_allow_chained);
+    if (any_cert_option)
+      command_line::add_arg(desc, arg.rpc_ssl_allow_any_cert);
   }
 
-  boost::optional<rpc_args> rpc_args::process(const boost::program_options::variables_map& vm)
+  boost::optional<rpc_args> rpc_args::process(const boost::program_options::variables_map& vm, const bool any_cert_option)
   {
     const descriptors arg{};
     rpc_args config{};
@@ -118,6 +185,17 @@ namespace cryptonote
       config.access_control_origins = std::move(access_control_origins);
     }
 
+    auto ssl_options = do_process_ssl(vm, arg, any_cert_option);
+    if (!ssl_options)
+      return boost::none;
+    config.ssl_options = std::move(*ssl_options);
+
     return {std::move(config)};
   }
+
+  boost::optional<epee::net_utils::ssl_options_t> rpc_args::process_ssl(const boost::program_options::variables_map& vm, const bool any_cert_option)
+  {
+    const descriptors arg{};
+    return do_process_ssl(vm, arg, any_cert_option);
+  }
 }
diff --git a/src/rpc/rpc_args.h b/src/rpc/rpc_args.h
index 216ba3712..619f02b42 100644
--- a/src/rpc/rpc_args.h
+++ b/src/rpc/rpc_args.h
@@ -35,6 +35,7 @@
 
 #include "common/command_line.h"
 #include "common/password.h"
+#include "net/net_ssl.h"
 
 namespace cryptonote
 {
@@ -54,16 +55,29 @@ namespace cryptonote
       const command_line::arg_descriptor<std::string> rpc_login;
       const command_line::arg_descriptor<bool> confirm_external_bind;
       const command_line::arg_descriptor<std::string> rpc_access_control_origins;
+      const command_line::arg_descriptor<std::string> rpc_ssl;
+      const command_line::arg_descriptor<std::string> rpc_ssl_private_key;
+      const command_line::arg_descriptor<std::string> rpc_ssl_certificate;
+      const command_line::arg_descriptor<std::string> rpc_ssl_ca_certificates;
+      const command_line::arg_descriptor<std::vector<std::string>> rpc_ssl_allowed_fingerprints;
+      const command_line::arg_descriptor<bool> rpc_ssl_allow_chained;
+      const command_line::arg_descriptor<bool> rpc_ssl_allow_any_cert;
     };
 
+    // `allow_any_cert` bool toggles `--rpc-ssl-allow-any-cert` configuration
+
     static const char* tr(const char* str);
-    static void init_options(boost::program_options::options_description& desc);
+    static void init_options(boost::program_options::options_description& desc, const bool any_cert_option = false);
 
     //! \return Arguments specified by user, or `boost::none` if error
-    static boost::optional<rpc_args> process(const boost::program_options::variables_map& vm);
+    static boost::optional<rpc_args> process(const boost::program_options::variables_map& vm, const bool any_cert_option = false);
+
+    //! \return SSL arguments specified by user, or `boost::none` if error
+    static boost::optional<epee::net_utils::ssl_options_t> process_ssl(const boost::program_options::variables_map& vm, const bool any_cert_option = false);
 
     std::string bind_ip;
     std::vector<std::string> access_control_origins;
     boost::optional<tools::login> login; // currently `boost::none` if unspecified by user
+    epee::net_utils::ssl_options_t ssl_options = epee::net_utils::ssl_support_t::e_ssl_support_enabled;
   };
 }
diff --git a/src/wallet/wallet_rpc_server.cpp b/src/wallet/wallet_rpc_server.cpp
index 16a2b3808..6c7415201 100644
--- a/src/wallet/wallet_rpc_server.cpp
+++ b/src/wallet/wallet_rpc_server.cpp
@@ -66,11 +66,6 @@ namespace
   const command_line::arg_descriptor<bool> arg_restricted = {"restricted-rpc", "Restricts to view-only commands", false};
   const command_line::arg_descriptor<std::string> arg_wallet_dir = {"wallet-dir", "Directory for newly created wallets"};
   const command_line::arg_descriptor<bool> arg_prompt_for_password = {"prompt-for-password", "Prompts for password when not provided", false};
-  const command_line::arg_descriptor<std::string> arg_rpc_ssl = {"rpc-ssl", tools::wallet2::tr("Enable SSL on wallet RPC connections: enabled|disabled|autodetect"), "autodetect"};
-  const command_line::arg_descriptor<std::string> arg_rpc_ssl_private_key = {"rpc-ssl-private-key", tools::wallet2::tr("Path to a PEM format private key"), ""};
-  const command_line::arg_descriptor<std::string> arg_rpc_ssl_certificate = {"rpc-ssl-certificate", tools::wallet2::tr("Path to a PEM format certificate"), ""};
-  const command_line::arg_descriptor<std::string> arg_rpc_ssl_ca_certificates = {"rpc-ssl-ca-certificates", tools::wallet2::tr("Path to file containing concatenated PEM format certificate(s) to replace system CA(s).")};
-  const command_line::arg_descriptor<std::vector<std::string>> arg_rpc_ssl_allowed_fingerprints = {"rpc-ssl-allowed-fingerprints", tools::wallet2::tr("List of certificate fingerprints to allow")};
 
   constexpr const char default_rpc_username[] = "monero";
 
@@ -244,45 +239,6 @@ namespace tools
       assert(bool(http_login));
     } // end auth enabled
 
-    auto rpc_ssl_private_key = command_line::get_arg(vm, arg_rpc_ssl_private_key);
-    auto rpc_ssl_certificate = command_line::get_arg(vm, arg_rpc_ssl_certificate);
-    auto rpc_ssl_ca_file = command_line::get_arg(vm, arg_rpc_ssl_ca_certificates);
-    auto rpc_ssl_allowed_fingerprints = command_line::get_arg(vm, arg_rpc_ssl_allowed_fingerprints);
-    auto rpc_ssl = command_line::get_arg(vm, arg_rpc_ssl);
-    epee::net_utils::ssl_options_t rpc_ssl_options = epee::net_utils::ssl_support_t::e_ssl_support_enabled;
-
-    if (!rpc_ssl_ca_file.empty() || !rpc_ssl_allowed_fingerprints.empty())
-    {
-      std::vector<std::vector<uint8_t>> allowed_fingerprints{ rpc_ssl_allowed_fingerprints.size() };
-      std::transform(rpc_ssl_allowed_fingerprints.begin(), rpc_ssl_allowed_fingerprints.end(), allowed_fingerprints.begin(), epee::from_hex::vector);
-      for (const auto &fpr: allowed_fingerprints)
-      {
-        if (fpr.size() != SSL_FINGERPRINT_SIZE)
-        {
-          MERROR("SHA-256 fingerprint should be " BOOST_PP_STRINGIZE(SSL_FINGERPRINT_SIZE) " bytes long.");
-          return false;
-        }
-      }
-
-      rpc_ssl_options = epee::net_utils::ssl_options_t{
-        std::move(allowed_fingerprints), std::move(rpc_ssl_ca_file)
-      };
-    }
-
-    // user specified CA file or fingeprints implies enabled SSL by default
-    if (rpc_ssl_options.verification != epee::net_utils::ssl_verification_t::user_certificates || !command_line::is_arg_defaulted(vm, arg_rpc_ssl))
-    {
-      if (!epee::net_utils::ssl_support_from_string(rpc_ssl_options.support, rpc_ssl))
-      {
-        MERROR("Invalid argument for " << std::string(arg_rpc_ssl.name));
-        return false;
-      }
-    }
-
-    rpc_ssl_options.auth = epee::net_utils::ssl_authentication_t{
-      std::move(rpc_ssl_private_key), std::move(rpc_ssl_certificate)
-    };
-
     m_auto_refresh_period = DEFAULT_AUTO_REFRESH_PERIOD;
     m_last_auto_refresh_time = boost::posix_time::min_date_time;
 
@@ -292,7 +248,7 @@ namespace tools
     auto rng = [](size_t len, uint8_t *ptr) { return crypto::rand(len, ptr); };
     return epee::http_server_impl_base<wallet_rpc_server, connection_context>::init(
       rng, std::move(bind_port), std::move(rpc_config->bind_ip), std::move(rpc_config->access_control_origins), std::move(http_login),
-      std::move(rpc_ssl_options)
+      std::move(rpc_config->ssl_options)
     );
   }
   //------------------------------------------------------------------------------------------------------------------------------
@@ -4412,11 +4368,6 @@ int main(int argc, char** argv) {
   command_line::add_arg(desc_params, arg_from_json);
   command_line::add_arg(desc_params, arg_wallet_dir);
   command_line::add_arg(desc_params, arg_prompt_for_password);
-  command_line::add_arg(desc_params, arg_rpc_ssl);
-  command_line::add_arg(desc_params, arg_rpc_ssl_private_key);
-  command_line::add_arg(desc_params, arg_rpc_ssl_certificate);
-  command_line::add_arg(desc_params, arg_rpc_ssl_ca_certificates);
-  command_line::add_arg(desc_params, arg_rpc_ssl_allowed_fingerprints);
 
   daemonizer::init_options(hidden_options, desc_params);
   desc_params.add(hidden_options);