Merge pull request #3572 from smitsohu/dumpable

hardening: run plugins with dumpable flag cleared

1 files changed, 6 insertions, 0 deletions

diff --git a/src/fsec-optimize/main.c b/src/fsec-optimize/main.c
index 416d85b88..fb13eeca8 100644
--- a/src/fsec-optimize/main.c
+++ b/src/fsec-optimize/main.c
@@ -44,6 +44,12 @@ printf("\n");
                 return 0;
         }
 
+#ifdef WARN_DUMPABLE
+        // check FIREJAIL_PLUGIN in order to not print a warning during make
+        if (prctl(PR_GET_DUMPABLE, 0, 0, 0, 0) == 1 && getuid() && getenv("FIREJAIL_PLUGIN"))
+                fprintf(stderr, "Error fsec-optimize: I am dumpable\n");
+#endif
+
         char *fname = argv[1];
 
         // open input file