core_rpc_server: add a --restricted-rpc option

It does not expose the RPC for commands like start_mining, etc
(ie, commands a public node operator might want to be restricted)

2 files changed, 22 insertions, 12 deletions

diff --git a/src/rpc/core_rpc_server.cpp b/src/rpc/core_rpc_server.cpp
index f5e700033..aeb8d7d2a 100644
--- a/src/rpc/core_rpc_server.cpp
+++ b/src/rpc/core_rpc_server.cpp
@@ -51,6 +51,7 @@ namespace cryptonote
     command_line::add_arg(desc, arg_rpc_bind_ip);
     command_line::add_arg(desc, arg_rpc_bind_port);
     command_line::add_arg(desc, arg_testnet_rpc_bind_port);
+    command_line::add_arg(desc, arg_restricted_rpc);
   }
   //------------------------------------------------------------------------------------------------------------------------------
   core_rpc_server::core_rpc_server(
@@ -69,6 +70,7 @@ namespace cryptonote
 
     m_bind_ip = command_line::get_arg(vm, arg_rpc_bind_ip);
     m_port = command_line::get_arg(vm, p2p_bind_arg);
+    m_restricted = command_line::get_arg(vm, arg_restricted_rpc);
     return true;
   }
   //------------------------------------------------------------------------------------------------------------------------------
@@ -957,4 +959,10 @@ namespace cryptonote
     , std::to_string(config::testnet::RPC_DEFAULT_PORT)
     };
 
+  const command_line::arg_descriptor<bool> core_rpc_server::arg_restricted_rpc = {
+      "restricted-rpc"
+    , "Restrict RPC to view only commands"
+    , false
+    };
+
 }  // namespace cryptonote
diff --git a/src/rpc/core_rpc_server.h b/src/rpc/core_rpc_server.h
index 1fbd0981f..4e115d39d 100644
--- a/src/rpc/core_rpc_server.h
+++ b/src/rpc/core_rpc_server.h
@@ -55,6 +55,7 @@ namespace cryptonote
     static const command_line::arg_descriptor<std::string> arg_rpc_bind_ip;
     static const command_line::arg_descriptor<std::string> arg_rpc_bind_port;
     static const command_line::arg_descriptor<std::string> arg_testnet_rpc_bind_port;
+    static const command_line::arg_descriptor<bool> arg_restricted_rpc;
 
     typedef epee::net_utils::connection_context_base connection_context;
 
@@ -79,20 +80,20 @@ namespace cryptonote
       MAP_URI_AUTO_JON2("/gettransactions", on_get_transactions, COMMAND_RPC_GET_TRANSACTIONS)
       MAP_URI_AUTO_JON2("/is_key_image_spent", on_is_key_image_spent, COMMAND_RPC_IS_KEY_IMAGE_SPENT)
       MAP_URI_AUTO_JON2("/sendrawtransaction", on_send_raw_tx, COMMAND_RPC_SEND_RAW_TX)
-      MAP_URI_AUTO_JON2("/start_mining", on_start_mining, COMMAND_RPC_START_MINING)
-      MAP_URI_AUTO_JON2("/stop_mining", on_stop_mining, COMMAND_RPC_STOP_MINING)
-      MAP_URI_AUTO_JON2("/mining_status", on_mining_status, COMMAND_RPC_MINING_STATUS)
-      MAP_URI_AUTO_JON2("/save_bc", on_save_bc, COMMAND_RPC_SAVE_BC)
-      MAP_URI_AUTO_JON2("/get_peer_list", on_get_peer_list, COMMAND_RPC_GET_PEER_LIST)
-      MAP_URI_AUTO_JON2("/set_log_hash_rate", on_set_log_hash_rate, COMMAND_RPC_SET_LOG_HASH_RATE)
-      MAP_URI_AUTO_JON2("/set_log_level", on_set_log_level, COMMAND_RPC_SET_LOG_LEVEL)
+      MAP_URI_AUTO_JON2_IF("/start_mining", on_start_mining, COMMAND_RPC_START_MINING, !m_restricted)
+      MAP_URI_AUTO_JON2_IF("/stop_mining", on_stop_mining, COMMAND_RPC_STOP_MINING, !m_restricted)
+      MAP_URI_AUTO_JON2_IF("/mining_status", on_mining_status, COMMAND_RPC_MINING_STATUS, !m_restricted)
+      MAP_URI_AUTO_JON2_IF("/save_bc", on_save_bc, COMMAND_RPC_SAVE_BC, !m_restricted)
+      MAP_URI_AUTO_JON2_IF("/get_peer_list", on_get_peer_list, COMMAND_RPC_GET_PEER_LIST, !m_restricted)
+      MAP_URI_AUTO_JON2_IF("/set_log_hash_rate", on_set_log_hash_rate, COMMAND_RPC_SET_LOG_HASH_RATE, !m_restricted)
+      MAP_URI_AUTO_JON2_IF("/set_log_level", on_set_log_level, COMMAND_RPC_SET_LOG_LEVEL, !m_restricted)
       MAP_URI_AUTO_JON2("/get_transaction_pool", on_get_transaction_pool, COMMAND_RPC_GET_TRANSACTION_POOL)
-      MAP_URI_AUTO_JON2("/stop_daemon", on_stop_daemon, COMMAND_RPC_STOP_DAEMON)
+      MAP_URI_AUTO_JON2_IF("/stop_daemon", on_stop_daemon, COMMAND_RPC_STOP_DAEMON, !m_restricted)
       MAP_URI_AUTO_JON2("/getinfo", on_get_info, COMMAND_RPC_GET_INFO)
-      MAP_URI_AUTO_JON2("/fast_exit", on_fast_exit, COMMAND_RPC_FAST_EXIT)
-      MAP_URI_AUTO_JON2("/out_peers", on_out_peers, COMMAND_RPC_OUT_PEERS)
-      MAP_URI_AUTO_JON2("/start_save_graph", on_start_save_graph, COMMAND_RPC_START_SAVE_GRAPH)
-      MAP_URI_AUTO_JON2("/stop_save_graph", on_stop_save_graph, COMMAND_RPC_STOP_SAVE_GRAPH)
+      MAP_URI_AUTO_JON2_IF("/fast_exit", on_fast_exit, COMMAND_RPC_FAST_EXIT, !m_restricted)
+      MAP_URI_AUTO_JON2_IF("/out_peers", on_out_peers, COMMAND_RPC_OUT_PEERS, !m_restricted)
+      MAP_URI_AUTO_JON2_IF("/start_save_graph", on_start_save_graph, COMMAND_RPC_START_SAVE_GRAPH, !m_restricted)
+      MAP_URI_AUTO_JON2_IF("/stop_save_graph", on_stop_save_graph, COMMAND_RPC_STOP_SAVE_GRAPH, !m_restricted)
       BEGIN_JSON_RPC_MAP("/json_rpc")
         MAP_JON_RPC("getblockcount",             on_getblockcount,              COMMAND_RPC_GETBLOCKCOUNT)
         MAP_JON_RPC_WE("on_getblockhash",        on_getblockhash,               COMMAND_RPC_GETBLOCKHASH)
@@ -161,5 +162,6 @@ private:
     std::string m_port;
     std::string m_bind_ip;
     bool m_testnet;
+    bool m_restricted;
   };
 }