From 3bd6905ea81bdab6cbd55fa3c93f333ff5cde937 Mon Sep 17 00:00:00 2001
From: brapru <brapru@pm.me>
Date: Fri, 30 Jul 2021 23:19:48 -0400
Subject: [PATCH] Utilities: Add pledge and unveil protections in arp

---
 Userland/Utilities/arp.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Userland/Utilities/arp.cpp b/Userland/Utilities/arp.cpp
index 98c7962831..df12be073e 100644
--- a/Userland/Utilities/arp.cpp
+++ b/Userland/Utilities/arp.cpp
@@ -16,9 +16,25 @@
 #include <netinet/in.h>
 #include <sys/ioctl.h>
 #include <sys/socket.h>
+#include <unistd.h>
 
 int main(int argc, char** argv)
 {
+    if (pledge("stdio rpath tty", nullptr) < 0) {
+        perror("pledge");
+        return 1;
+    }
+
+    if (unveil("/proc/net/arp", "r") < 0) {
+        perror("unveil");
+        return 1;
+    }
+
+    if (unveil(nullptr, nullptr) < 0) {
+        perror("unveil");
+        return 1;
+    }
+
     static bool flag_set;
     static bool flag_delete;
     const char* value_ipv4_address = nullptr;