From ff0efe952b2456b52fad2a40e6eedb0931e6bdf7 Mon Sep 17 00:00:00 2001
From: Matt W <436037+mlw@users.noreply.github.com>
Date: Wed, 21 Aug 2024 16:29:33 -0400
Subject: [PATCH] Use proper CanWrite method to safeguard TTY struct access
 (#1420)

---
 .../EventProviders/SNTEndpointSecurityFileAccessAuthorizer.mm   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/santad/EventProviders/SNTEndpointSecurityFileAccessAuthorizer.mm b/Source/santad/EventProviders/SNTEndpointSecurityFileAccessAuthorizer.mm
index 7c688d81c..2c85713f0 100644
--- a/Source/santad/EventProviders/SNTEndpointSecurityFileAccessAuthorizer.mm
+++ b/Source/santad/EventProviders/SNTEndpointSecurityFileAccessAuthorizer.mm
@@ -688,7 +688,7 @@ - (FileAccessPolicyDecision)handleMessage:(const Message &)msg
 
     // Notify users on block decisions
     if (ShouldNotifyUserDecision(policyDecision) &&
-        (!policy->silent || (!policy->silent_tty && msg->process->tty->path.length > 0))) {
+        (!policy->silent || (!policy->silent_tty && TTYWriter::CanWrite(msg->process)))) {
       SNTCachedDecision *cd =
         [self.decisionCache cachedDecisionForFile:msg->process->executable->stat];