From 70097709b2b8ff19a8389bbc6e7165f508f2953f Mon Sep 17 00:00:00 2001
From: Ka-Hing Cheung <khc@hxbc.us>
Date: Tue, 14 Apr 2015 12:41:28 -0700
Subject: [PATCH] switch to use region specific endpoints to compute correct v4
 signature

fix #133
---
 src/s3fs.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/s3fs.cpp b/src/s3fs.cpp
index d08ada7..a67f9d2 100644
--- a/src/s3fs.cpp
+++ b/src/s3fs.cpp
@@ -3102,6 +3102,13 @@ static int s3fs_check_service(void)
       LOWSYSLOGPRINT(LOG_ERR, "Could not connect wrong region %s, so retry to connect region %s.", endpoint.c_str(), expectregion.c_str());
       FPRN("Could not connect wrong region %s, so retry to connect region %s.", endpoint.c_str(), expectregion.c_str());
       endpoint = expectregion;
+      if (S3fsCurl::IsSignatureV4()) {
+          if (host == "http://s3.amazonaws.com") {
+              host = "http://s3-" + endpoint + ".amazonaws.com";
+          } else if (host == "https://s3.amazonaws.com") {
+              host = "https://s3-" + endpoint + ".amazonaws.com";
+          }
+      }
 
       // retry to check
       s3fscurl.DestroyCurlHandle();