From 63d0aa10795c8396454d2dd097f752376ceda2cc Mon Sep 17 00:00:00 2001
From: Zogoo <chtsogbadrakh@gmail.com>
Date: Fri, 6 Sep 2019 11:30:39 +0900
Subject: [PATCH 1/2] Remove memory segment fault issue

I hope GSS will doing clean up before this one called.
---
 lib/gssapi/lib_gssapi.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/gssapi/lib_gssapi.rb b/lib/gssapi/lib_gssapi.rb
index 9ff67a5..2810d81 100644
--- a/lib/gssapi/lib_gssapi.rb
+++ b/lib/gssapi/lib_gssapi.rb
@@ -179,7 +179,7 @@ def self.release_ptr(name_ptr)
     class GssCtxIdT < GssPointer
       def self.release_ptr(context_ptr)
         min_stat = FFI::MemoryPointer.new :OM_uint32
-        maj_stat = LibGSSAPI.gss_delete_sec_context(min_stat, context_ptr, LibGSSAPI::GSS_C_NO_BUFFER)
+        # maj_stat = LibGSSAPI.gss_delete_sec_context(min_stat, context_ptr, LibGSSAPI::GSS_C_NO_BUFFER)
       end
 
       def self.gss_c_no_context

From 9a74303a324347683eb202be143027833a826305 Mon Sep 17 00:00:00 2001
From: Zogoo <chtsogbadrakh@gmail.com>
Date: Fri, 6 Sep 2019 11:31:26 +0900
Subject: [PATCH 2/2] Error without min stat

---
 lib/gssapi/exceptions.rb | 17 +++++++++++++++++
 lib/gssapi/simple.rb     |  2 +-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/lib/gssapi/exceptions.rb b/lib/gssapi/exceptions.rb
index d4a3528..d08d949 100644
--- a/lib/gssapi/exceptions.rb
+++ b/lib/gssapi/exceptions.rb
@@ -21,6 +21,23 @@ def initialize(maj_stat = nil, min_stat = nil)
 
       if(maj_stat.nil? && min_stat.nil?)
         @s = '(no error info)'
+      elsif (min_stat.nil?)
+        min = FFI::MemoryPointer.new :OM_uint32
+        message_context = FFI::MemoryPointer.new :OM_uint32
+        @s = ''
+        oid = GssOID.gss_c_no_oid
+        message_context.write_int 0
+        begin
+          out_buff = ManagedGssBufferDesc.new
+          maj = gss_display_status(min, maj_stat, GSS_C_GSS_CODE, oid, message_context, out_buff.pointer)
+          if (maj != 0)
+            @s += "failed to retrieve GSSAPI display for status #{maj_stat}"
+            @s += " of major status #{maj_stat}\n"
+            @s += "(with major status #{maj}, minor status #{min.read_uint32}\n"
+            break
+          end
+          @s += out_buff.value.to_s + "\n"
+        end while message_context.read_int != 0
       else
         min = FFI::MemoryPointer.new :OM_uint32
         message_context = FFI::MemoryPointer.new :OM_uint32
diff --git a/lib/gssapi/simple.rb b/lib/gssapi/simple.rb
index c37ebb6..ca8bf7f 100644
--- a/lib/gssapi/simple.rb
+++ b/lib/gssapi/simple.rb
@@ -261,7 +261,7 @@ def unwrap_message(msg, encrypted = true)
     # @param [String] keytab the path to the keytab
     def set_keytab(keytab)
       maj_stat = LibGSSAPI.krb5_gss_register_acceptor_identity(keytab)
-      raise GssApiError.new(maj_stat, min_stat), "krb5_gss_register_acceptor_identity did not return GSS_S_COMPLETE" if maj_stat != 0
+      raise GssApiError.new(maj_stat), "krb5_gss_register_acceptor_identity did not return GSS_S_COMPLETE" if maj_stat != 0
       true
     end