From 41e835dd50d358c127bab17a1f2872471dbdfe9c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Barbosa?= <joao@uphold.com>
Date: Wed, 30 Mar 2016 00:59:29 +0100
Subject: Add strict flag to RPCTypeCheckObj

Strict flag forces type check on all object keys.
---
 src/rpc/server.cpp | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

(limited to 'src/rpc/server.cpp')

diff --git a/src/rpc/server.cpp b/src/rpc/server.cpp
index 8326fe14d..d06a9142b 100644
--- a/src/rpc/server.cpp
+++ b/src/rpc/server.cpp
@@ -89,7 +89,8 @@ void RPCTypeCheck(const UniValue& params,
 
 void RPCTypeCheckObj(const UniValue& o,
                   const map<string, UniValue::VType>& typesExpected,
-                  bool fAllowNull)
+                  bool fAllowNull,
+                  bool fStrict)
 {
     BOOST_FOREACH(const PAIRTYPE(string, UniValue::VType)& t, typesExpected)
     {
@@ -104,6 +105,18 @@ void RPCTypeCheckObj(const UniValue& o,
             throw JSONRPCError(RPC_TYPE_ERROR, err);
         }
     }
+
+    if (fStrict)
+    {
+        BOOST_FOREACH(const string& k, o.getKeys())
+        {
+            if (typesExpected.count(k) == 0)
+            {
+                string err = strprintf("Unexpected key %s", k);
+                throw JSONRPCError(RPC_TYPE_ERROR, err);
+            }
+        }
+    }
 }
 
 CAmount AmountFromValue(const UniValue& value)
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