Merge pull request #6018

dce6f05 rpc: Only show version string if it matches expected pattern (ndorf)
3293780 daemon: Use rpc for 'version' command (ndorf)

6 files changed, 139 insertions, 3 deletions

diff --git a/src/daemon/command_parser_executor.cpp b/src/daemon/command_parser_executor.cpp
index b827221f6..99a460c78 100644
--- a/src/daemon/command_parser_executor.cpp
+++ b/src/daemon/command_parser_executor.cpp
@@ -28,7 +28,6 @@
 
 #include "common/dns_utils.h"
 #include "common/command_line.h"
-#include "version.h"
 #include "daemon/command_parser_executor.h"
 
 #undef MONERO_DEFAULT_LOG_CATEGORY
@@ -803,8 +802,7 @@ bool t_command_parser_executor::rpc_payments(const std::vector<std::string>& arg
 
 bool t_command_parser_executor::version(const std::vector<std::string>& args)
 {
-  std::cout << "Monero '" << MONERO_RELEASE_NAME << "' (v" << MONERO_VERSION_FULL << ")" << std::endl;
-  return true;
+  return m_executor.version();
 }
 
 bool t_command_parser_executor::prune_blockchain(const std::vector<std::string>& args)
diff --git a/src/daemon/rpc_command_executor.cpp b/src/daemon/rpc_command_executor.cpp
index ed614a89b..eb9dfdf1e 100644
--- a/src/daemon/rpc_command_executor.cpp
+++ b/src/daemon/rpc_command_executor.cpp
@@ -38,6 +38,7 @@
 #include "cryptonote_basic/difficulty.h"
 #include "cryptonote_basic/hardfork.h"
 #include "rpc/rpc_payment_signature.h"
+#include "rpc/rpc_version_str.h"
 #include <boost/format.hpp>
 #include <ctime>
 #include <string>
@@ -2442,4 +2443,39 @@ bool t_rpc_command_executor::rpc_payments()
     return true;
 }
 
+bool t_rpc_command_executor::version()
+{
+    cryptonote::COMMAND_RPC_GET_INFO::request req;
+    cryptonote::COMMAND_RPC_GET_INFO::response res;
+
+    const char *fail_message = "Problem fetching info";
+
+    if (m_is_rpc)
+    {
+        if (!m_rpc_client->rpc_request(req, res, "/getinfo", fail_message))
+        {
+            return true;
+        }
+    }
+    else
+    {
+        if (!m_rpc_server->on_get_info(req, res) || res.status != CORE_RPC_STATUS_OK)
+        {
+            tools::fail_msg_writer() << make_error(fail_message, res.status);
+            return true;
+        }
+    }
+
+    if (res.version.empty() || !cryptonote::rpc::is_version_string_valid(res.version))
+    {
+        tools::fail_msg_writer() << "The daemon software version is not available.";
+    }
+    else
+    {
+        tools::success_msg_writer() << res.version;
+    }
+
+    return true;
+}
+
 }// namespace daemonize
diff --git a/src/daemon/rpc_command_executor.h b/src/daemon/rpc_command_executor.h
index e8b12cb9b..af55f0e22 100644
--- a/src/daemon/rpc_command_executor.h
+++ b/src/daemon/rpc_command_executor.h
@@ -163,6 +163,8 @@ public:
 
   bool print_net_stats();
 
+  bool version();
+
   bool set_bootstrap_daemon(
     const std::string &address,
     const std::string &username,
diff --git a/src/rpc/CMakeLists.txt b/src/rpc/CMakeLists.txt
index ebb1e767f..65d88b57e 100644
--- a/src/rpc/CMakeLists.txt
+++ b/src/rpc/CMakeLists.txt
@@ -37,6 +37,7 @@ set(rpc_sources
   bootstrap_daemon.cpp
   core_rpc_server.cpp
   rpc_payment.cpp
+  rpc_version_str.cpp
   instanciations)
 
 set(daemon_messages_sources
@@ -54,6 +55,7 @@ set(rpc_base_headers
   rpc_handler.h)
 
 set(rpc_headers
+  rpc_version_str.h
   rpc_handler.h)
 
 set(daemon_rpc_server_headers)
diff --git a/src/rpc/rpc_version_str.cpp b/src/rpc/rpc_version_str.cpp
new file mode 100644
index 000000000..c60cf4891
--- /dev/null
+++ b/src/rpc/rpc_version_str.cpp
@@ -0,0 +1,55 @@
+// 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.
+
+#include "rpc_version_str.h"
+#include "version.h"
+#include <regex>
+
+namespace cryptonote
+{
+
+namespace rpc
+{
+
+// Expected format of Monero software version string:
+// 1) Four numbers, one to two digits each, separated by periods
+// 2) Optionally, one of the following suffixes:
+//      a) -release
+//      b) -<hash> where <hash> is exactly nine lowercase hex digits
+
+bool is_version_string_valid(const std::string& str)
+{
+    return std::regex_match(str, std::regex(
+        "^\\d{1,2}(\\.\\d{1,2}){3}(-(release|[0-9a-f]{9}))?$",
+        std::regex_constants::nosubs
+    ));
+}
+
+}  // namespace rpc
+
+}  // namespace cryptonote
diff --git a/src/rpc/rpc_version_str.h b/src/rpc/rpc_version_str.h
new file mode 100644
index 000000000..930c807d2
--- /dev/null
+++ b/src/rpc/rpc_version_str.h
@@ -0,0 +1,43 @@
+// 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
+
+#include <string>
+
+namespace cryptonote
+{
+
+namespace rpc
+{
+
+bool is_version_string_valid(const std::string& str);
+
+} // namespace rpc
+
+} // namespace cryptonote