From ce46246a0930bd34878721758254cdf2638f064f Mon Sep 17 00:00:00 2001
From: Mikko Partio <mikko.partio@fmi.fi>
Date: Wed, 2 Sep 2020 14:18:26 +0300
Subject: [PATCH] Do not set authorization headers if access key id or secret
 access key is NULL

---
 src/request.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/request.c b/src/request.c
index dd66863..50b1931 100644
--- a/src/request.c
+++ b/src/request.c
@@ -982,6 +982,13 @@ static S3Status compose_auth_header(const RequestParams *params,
     printf("--\nCanonical Request:\n%s\n", canonicalRequest);
 #endif
 
+    if (params->bucketContext.accessKeyId == NULL || params->bucketContext.secretAccessKey == NULL) {
+#ifdef SIGNATURE_DEBUG
+    printf("--\nNo authorization header\n");
+#endif
+      return S3StatusOK;
+    }
+
     len = 0;
     unsigned char canonicalRequestHash[S3_SHA256_DIGEST_LENGTH];
 #ifdef __APPLE__