1 files changed, 9 insertions, 0 deletions
diff --git a/src/main.c b/src/main.c
index fa89688..372e011 100644
--- a/src/main.c
+++ b/src/main.c
@@ -209,6 +209,15 @@ int main(int argc, char* argv[]) {
   if((now - lastlogin) > threshold) {
     printf("You're dead!\n");
     exec_cmd(cmd);
+  } else if((lastlogin - now) > -86400) {
+    // Abort if last login is too far in the future.
+    // This should account for when 
+    printf(
+      "Error: Last login appears to be over one day in the future.\n"
+      "This likely means something has gone wrong with the system clock.\n"
+      "Unable to determine current time. Aborting terminus check.\n"
+    );
+    return 2;
   } else {
     if(write_lastlogin(lastlogin_path) == 1) {
       printf("Failure writing lastlogin\n");