wallet: disable core dumps on startup in release mode

src/common/util.cpp

@@ -37,6 +37,7 @@
 #ifdef __GLIBC__
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <sys/resource.h>
 #include <ustat.h>
 #include <unistd.h>
 #include <dirent.h>
@@ -682,6 +683,21 @@ std::string get_nix_version_display_string()
   static void setup_crash_dump() {}
 #endif
 
+  bool disable_core_dumps()
+  {
+#ifdef __GLIBC__
+    // disable core dumps in release mode
+    struct rlimit rlimit;
+    rlimit.rlim_cur = rlimit.rlim_max = 0;
+    if (setrlimit(RLIMIT_CORE, &rlimit))
+    {
+      MWARNING("Failed to disable core dumps");
+      return false;
+    }
+#endif
+    return true;
+  }
+
   bool on_startup()
   {
     mlog_configure("", true);

src/common/util.h

@@ -149,6 +149,8 @@ namespace tools
 
   bool sanitize_locale();
 
+  bool disable_core_dumps();
+
   bool on_startup();
 
   /*! \brief Defines a signal handler for win32 and *nix

src/wallet/api/utils.cpp

@@ -51,6 +51,9 @@ bool isAddressLocal(const std::string &address)
 void onStartup()
 {
     tools::on_startup();
+#ifdef NDEBUG
+    tools::disable_core_dumps();
+#endif
 }
 
 }

src/wallet/wallet_args.cpp

@@ -109,6 +109,9 @@ namespace wallet_args
 
     std::string lang = i18n_get_language();
     tools::on_startup();
+#ifdef NDEBUG
+    tools::disable_core_dumps();
+#endif
     tools::set_strict_default_file_permissions(true);
 
     epee::string_tools::set_module_name_and_folder(argv[0]);