2 files changed, 82 insertions, 2 deletions
diff --git a/include/grpc++/auth_context.h b/include/grpc++/auth_context.h
index 158f8e3f07..c42105b927 100644
--- a/include/grpc++/auth_context.h
+++ b/include/grpc++/auth_context.h
@@ -36,14 +36,13 @@
 
 #include <vector>
 
+#include <grpc++/auth_property_iterator.h>
 #include <grpc++/config.h>
 
 namespace grpc {
 
 class AuthContext {
  public:
-  typedef std::pair<grpc::string, grpc::string> Property;
-
   virtual ~AuthContext() {}
 
   // A peer identity, in general is one or more properties (in which case they
@@ -54,6 +53,10 @@ class AuthContext {
   // Returns all the property values with the given name.
   virtual std::vector<grpc::string> FindPropertyValues(
       const grpc::string& name) const = 0;
+
+  // Iteration over all the properties.
+  virtual AuthPropertyIterator begin() const = 0;
+  virtual AuthPropertyIterator end() const = 0;
 };
 
 }  // namespace grpc
diff --git a/include/grpc++/auth_property_iterator.h b/include/grpc++/auth_property_iterator.h
new file mode 100644
index 0000000000..1e6c2d8bf7
--- /dev/null
+++ b/include/grpc++/auth_property_iterator.h
@@ -0,0 +1,77 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPCXX_AUTH_PROPERTY_ITERATOR_H
+#define GRPCXX_AUTH_PROPERTY_ITERATOR_H
+
+#include <iterator>
+#include <vector>
+
+#include <grpc++/config.h>
+
+struct grpc_auth_context;
+struct grpc_auth_property;
+struct grpc_auth_property_iterator;
+
+namespace grpc {
+class SecureAuthContext;
+
+typedef std::pair<grpc::string, grpc::string> AuthProperty;
+
+class AuthPropertyIterator
+    : public std::iterator<std::input_iterator_tag, const AuthProperty> {
+ public:
+  ~AuthPropertyIterator();
+  AuthPropertyIterator& operator++();
+  AuthPropertyIterator operator++(int);
+  bool operator==(const AuthPropertyIterator& rhs) const;
+  bool operator!=(const AuthPropertyIterator& rhs) const;
+  const AuthProperty operator*();
+
+ protected:
+  AuthPropertyIterator();
+  AuthPropertyIterator(const grpc_auth_property* property,
+                       const grpc_auth_property_iterator* iter);
+ private:
+  friend SecureAuthContext;
+  const grpc_auth_property* property_;
+  // The following items form a grpc_auth_property_iterator.
+  const grpc_auth_context* ctx_;
+  size_t index_;
+  const char* name_;
+};
+
+}  // namespace grpc
+
+ #endif  // GRPCXX_AUTH_PROPERTY_ITERATOR_H
+