From 3adb7b4cfd51e7519298bdb6a9a857ebb4904941 Mon Sep 17 00:00:00 2001
From: Adam Midvidy <amidvidy@gmail.com>
Date: Tue, 16 Jun 2015 18:21:50 -0400
Subject: SERVER-18167 handle BSON Validation in OP_COMMAND

---
 src/mongo/rpc/object_check_test.cpp | 89 +++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 src/mongo/rpc/object_check_test.cpp

(limited to 'src/mongo/rpc/object_check_test.cpp')

diff --git a/src/mongo/rpc/object_check_test.cpp b/src/mongo/rpc/object_check_test.cpp
new file mode 100644
index 00000000000..30e1f739679
--- /dev/null
+++ b/src/mongo/rpc/object_check_test.cpp
@@ -0,0 +1,89 @@
+/**
+ *    Copyright (C) 2015 MongoDB Inc.
+ *
+ *    This program is free software: you can redistribute it and/or  modify
+ *    it under the terms of the GNU Affero General Public License, version 3,
+ *    as published by the Free Software Foundation.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *    As a special exception, the copyright holders give permission to link the
+ *    code of portions of this program with the OpenSSL library under certain
+ *    conditions as described in each individual source file and distribute
+ *    linked combinations including the program with the OpenSSL library. You
+ *    must comply with the GNU Affero General Public License in all respects
+ *    for all of the code used other than as permitted herein. If you modify
+ *    file(s) with this exception, you may extend this exception to your
+ *    version of the file(s), but you are not obligated to do so. If you do not
+ *    wish to do so, delete this exception statement from your version. If you
+ *    delete this exception statement from all source files in the program,
+ *    then also delete it in the license file.
+ */
+
+#include "mongo/platform/basic.h"
+
+#include <iterator>
+
+#include "mongo/base/data_range_cursor.h"
+#include "mongo/db/jsobj.h"
+#include "mongo/db/server_options.h"
+#include "mongo/rpc/object_check.h"
+#include "mongo/unittest/unittest.h"
+#include "mongo/util/scopeguard.h"
+
+namespace {
+
+    using namespace mongo;
+
+    TEST(DataTypeValidated, BSONValidationEnabled) {
+
+        using std::swap;
+
+        bool wasEnabled = serverGlobalParams.objcheck;
+        const auto setValidation = [&](bool enabled){ serverGlobalParams.objcheck = enabled; };
+        ON_BLOCK_EXIT(setValidation, wasEnabled);
+
+        using std::begin;
+        using std::end;
+
+        BSONObj valid = BSON("baz" << "bar" << "garply" << BSON("foo" << "bar"));
+        char buf[1024] = { 0 };
+        std::copy(valid.objdata(), valid.objdata() + valid.objsize(), begin(buf));
+        {
+            Validated<BSONObj> v;
+            ConstDataRangeCursor cdrc(begin(buf), end(buf));
+            ASSERT_OK(cdrc.readAndAdvance(&v));
+        }
+
+        {
+            // mess up the data
+            DataRangeCursor drc(begin(buf), end(buf));
+            auto maxIntLE = LittleEndian<int>(std::numeric_limits<int>::max());
+
+            // skip past size so we don't trip any sanity checks.
+            drc.advance(4);  // skip size
+            while (drc.writeAndAdvance(0xFF).isOK()) ;
+        }
+
+        {
+            Validated<BSONObj> v;
+            ConstDataRangeCursor cdrc(begin(buf), end(buf));
+            ASSERT_NOT_OK(cdrc.readAndAdvance(&v));
+        }
+
+        {
+            // disable validation
+            setValidation(false);
+            Validated<BSONObj> v;
+            ConstDataRangeCursor cdrc(begin(buf), end(buf));
+            ASSERT_OK(cdrc.readAndAdvance(&v));
+        }
+    }
+
+}
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