From 337da5936888541549fa3f5d20df104a6952275e Mon Sep 17 00:00:00 2001
From: Takeshi Nakatani <ggtakec@gmail.com>
Date: Sat, 13 May 2017 15:47:39 +0000
Subject: [PATCH] Not fallback to HTTP - #596

---
 doc/man/s3fs.1    |  3 ---
 src/s3fs.cpp      | 29 +++--------------------------
 src/s3fs_util.cpp |  8 ++------
 3 files changed, 5 insertions(+), 35 deletions(-)

diff --git a/doc/man/s3fs.1 b/doc/man/s3fs.1
index 1d05aa5..68f62f9 100644
--- a/doc/man/s3fs.1
+++ b/doc/man/s3fs.1
@@ -190,9 +190,6 @@ If the disk free space is smaller than this value, s3fs do not use diskspace as
 .TP
 \fB\-o\fR url (default="https://s3.amazonaws.com")
 sets the url to use to access Amazon S3. If you want to use HTTP, then you can set "url=http://s3.amazonaws.com".
-If you start s3fs without specifying the url option, s3fs will check the bucket using https://s3.amazonaws.com.
-And when bucket check fails, s3fs retries the bucket check using http://s3.amazonaws.com.
-This is the function left behind for backward compatibility.
 If you do not use https, please specify the URL with the url option.
 .TP
 \fB\-o\fR endpoint (default="us-east-1")
diff --git a/src/s3fs.cpp b/src/s3fs.cpp
index eeb360f..eee909c 100644
--- a/src/s3fs.cpp
+++ b/src/s3fs.cpp
@@ -89,7 +89,6 @@ bool foreground                   = false;
 bool nomultipart                  = false;
 bool pathrequeststyle             = false;
 bool complement_stat              = false;
-bool is_changed_default_host      = false; // for checking default http protocol
 std::string program_name;
 std::string service_path          = "/";
 std::string host                  = "https://s3.amazonaws.com";
@@ -176,7 +175,7 @@ static bool parse_xattr_keyval(const std::string& xattrpair, string& key, PXATTR
 static size_t parse_xattrs(const std::string& strxattrs, xattrs_t& xattrs);
 static std::string build_xattrs(const xattrs_t& xattrs);
 static int s3fs_utility_mode(void);
-static int s3fs_check_service(bool need_try_http = true);
+static int s3fs_check_service(void);
 static int check_for_aws_format(void);
 static int check_passwd_file_perms(void);
 static int read_passwd_file(void);
@@ -3750,7 +3749,7 @@ static bool check_region_error(const char* pbody, string& expectregion)
   return true;
 }
 
-static int s3fs_check_service(bool need_try_http)
+static int s3fs_check_service(void)
 {
   S3FS_PRN_INFO("check services.");
 
@@ -3762,7 +3761,6 @@ static int s3fs_check_service(bool need_try_http)
 
   S3fsCurl s3fscurl;
   int      res;
-  string   bup_endpoint = endpoint;
   if(0 > (res = s3fscurl.CheckBucket())){
     // get response code
     long responseCode = s3fscurl.GetLastResponseCode();
@@ -3821,26 +3819,7 @@ static int s3fs_check_service(bool need_try_http)
         // another error
         S3FS_PRN_CRIT("unable to connect(host=%s) - result of checking service.", host.c_str());
       }
-
-      // [NOTE]
-      // If using default host(https://s3.amazonaws.com), try to change https to http protocol
-      // (old version default protocol) and try to connect.
-      //
-      if(need_try_http && !is_changed_default_host){
-        // host is set second default value(http)
-        S3FS_PRN_CRIT("Retry checking the bucket with HTTP(http://s3.amazonaws.com), not HTTPS(https://s3.amazonaws.com).");
-        host     = "http://s3.amazonaws.com";
-        endpoint = bup_endpoint;
-
-        // check http protocol
-        int result = s3fs_check_service(false);
-        if(EXIT_SUCCESS == result){
-          S3FS_PRN_CRIT("Switch to HTTP protocol instead of HTTPS. You should use the host or url option and specify the HTTP protocol endpoint.");
-        }
-        return result;
-      }else{
-        return EXIT_FAILURE;
-      }
+      return EXIT_FAILURE;
     }
   }
 
@@ -4589,7 +4568,6 @@ static int my_fuse_opt_proc(void* data, const char* arg, int key, struct fuse_ar
     }
     if(0 == STR2NCMP(arg, "host=")){
       host = strchr(arg, '=') + sizeof(char);
-      is_changed_default_host = true;
       return 0;
     }
     if(0 == STR2NCMP(arg, "servicepath=")){
@@ -4710,7 +4688,6 @@ static int my_fuse_opt_proc(void* data, const char* arg, int key, struct fuse_ar
     }
     if(0 == STR2NCMP(arg, "url=")){
       host = strchr(arg, '=') + sizeof(char);
-      is_changed_default_host = true;
       // strip the trailing '/', if any, off the end of the host
       // string
       size_t found, length;
diff --git a/src/s3fs_util.cpp b/src/s3fs_util.cpp
index f27b6e2..7759c2e 100644
--- a/src/s3fs_util.cpp
+++ b/src/s3fs_util.cpp
@@ -1129,12 +1129,8 @@ void show_help (void)
     "   url (default=\"https://s3.amazonaws.com\")\n"
     "      - sets the url to use to access Amazon S3. If you want to use HTTP,\n"
     "        then you can set \"url=http://s3.amazonaws.com\".\n"
-    "        If you start s3fs without specifying the url option, s3fs will\n"
-    "        check the bucket using https://s3.amazonaws.com. And when bucket\n"
-    "        check fails, s3fs retries the bucket check using\n"
-    "        http://s3.amazonaws.com. This is the function left behind for\n"
-    "        backward compatibility. If you do not use https, please specify\n"
-    "        the URL with the url option.\n"
+    "        If you do not use https, please specify the URL with the url\n"
+    "        option.\n"
     "\n"
     "   endpoint (default=\"us-east-1\")\n"
     "      - sets the endpoint to use on signature version 4\n"