Daemon should now exit on conflicting checkpoints

If the "enforce DNS checkpoints" flag is not enabled, it should not exit
if DNS checkpoints conflict with the others, but should still print a
warning to the user.

1 files changed, 12 insertions, 0 deletions

diff --git a/src/cryptonote_core/cryptonote_core.cpp b/src/cryptonote_core/cryptonote_core.cpp
index c83e6e0a0..d9d8a7faf 100644
--- a/src/cryptonote_core/cryptonote_core.cpp
+++ b/src/cryptonote_core/cryptonote_core.cpp
@@ -41,6 +41,7 @@ using namespace epee;
 #include "cryptonote_config.h"
 #include "cryptonote_format_utils.h"
 #include "misc_language.h"
+#include <csignal>
 
 DISABLE_VS_WARNINGS(4355)
 
@@ -98,6 +99,12 @@ namespace cryptonote
       res = m_blockchain_storage.update_checkpoints(m_checkpoints_path, false);
       m_last_json_checkpoints_update = time(NULL);
     }
+
+    // if anything fishy happened getting new checkpoints, bring down the house
+    if (!res)
+    {
+      graceful_exit();
+    }
     return res;
   }
   //-----------------------------------------------------------------------------------
@@ -583,4 +590,9 @@ namespace cryptonote
   uint64_t core::get_target_blockchain_height() const {
     return m_target_blockchain_height;
   }
+  //-----------------------------------------------------------------------------------------------
+  void core::graceful_exit()
+  {
+    raise(SIGTERM);
+  }
 }