From 36a831b86858f35d5e5486cab0b8802de790fe64 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Fri, 7 Mar 2025 23:01:33 +0100
Subject: [PATCH] setopt: illegal CURLOPT_SOCKS5_AUTH should return error

The check was just wrong before.

Regression introduced in 30da1f5974d34841b30c4fac3

Bug: https://issues.oss-fuzz.com/issues/401430844
Closes #16617
---
 lib/setopt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/setopt.c b/lib/setopt.c
index 930f90bb94..a402b5a270 100644
--- a/lib/setopt.c
+++ b/lib/setopt.c
@@ -689,7 +689,7 @@ static CURLcode setopt_long(struct Curl_easy *data, CURLoption option,
     data->set.proxy_transfer_mode = (bool)uarg;
     break;
   case CURLOPT_SOCKS5_AUTH:
-    if(data->set.socks5auth & ~(CURLAUTH_BASIC | CURLAUTH_GSSAPI))
+    if(uarg & ~(CURLAUTH_BASIC | CURLAUTH_GSSAPI))
       return CURLE_NOT_BUILT_IN;
     data->set.socks5auth = (unsigned char)uarg;
     break;
-- 
2.47.3