1 files changed, 59 insertions, 0 deletions
diff --git a/security/nss/gtests/certhigh_gtest/certhigh_unittest.cc b/security/nss/gtests/certhigh_gtest/certhigh_unittest.cc
new file mode 100644
index 0000000000..734ac1200b
--- /dev/null
+++ b/security/nss/gtests/certhigh_gtest/certhigh_unittest.cc
@@ -0,0 +1,59 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <string>
+
+#include "gtest/gtest.h"
+
+#include "cert.h"
+#include "certt.h"
+#include "secitem.h"
+
+namespace nss_test {
+
+class CERT_FormatNameUnitTest : public ::testing::Test {};
+
+TEST_F(CERT_FormatNameUnitTest, Overflow) {
+  // Construct a CERTName consisting of a single RDN with 20 organizational unit
+  // AVAs and 20 domain component AVAs. The actual contents don't matter, just
+  // the types.
+
+  uint8_t oidValueBytes[] = {0x0c, 0x02, 0x58, 0x58};  // utf8String "XX"
+  SECItem oidValue = {siBuffer, oidValueBytes, sizeof(oidValueBytes)};
+  uint8_t oidTypeOUBytes[] = {0x55, 0x04, 0x0b};  // organizationalUnit
+  SECItem oidTypeOU = {siBuffer, oidTypeOUBytes, sizeof(oidTypeOUBytes)};
+  CERTAVA ouAVA = {oidTypeOU, oidValue};
+  uint8_t oidTypeDCBytes[] = {0x09, 0x92, 0x26, 0x89, 0x93,
+                              0xf2, 0x2c, 0x64, 0x1,  0x19};  // domainComponent
+  SECItem oidTypeDC = {siBuffer, oidTypeDCBytes, sizeof(oidTypeDCBytes)};
+  CERTAVA dcAVA = {oidTypeDC, oidValue};
+
+  const int kNumEachAVA = 20;
+  CERTAVA* avas[(2 * kNumEachAVA) + 1];
+  for (int i = 0; i < kNumEachAVA; i++) {
+    avas[2 * i] = &ouAVA;
+    avas[(2 * i) + 1] = &dcAVA;
+  }
+  avas[2 * kNumEachAVA] = nullptr;
+
+  CERTRDN rdn = {avas};
+  CERTRDN* rdns[2];
+  rdns[0] = &rdn;
+  rdns[1] = nullptr;
+
+  std::string expectedResult =
+      "XX<br>XX<br>XX<br>XX<br>XX<br>XX<br>XX<br>XX<br>XX<br>XX<br>XX<br>XX<br>"
+      "XX<br>XX<br>XX<br>XX<br>XX<br>XX<br>XX<br>XX<br>XX<br>XX<br>XX<br>XX<br>"
+      "XX<br>XX<br>XX<br>XX<br>XX<br>XX<br>XX<br>XX<br>XX<br>XX<br>XX<br>XX<br>"
+      "XX<br>XX<br>XX<br>XX<br>";
+
+  CERTName name = {nullptr, rdns};
+  char* result = CERT_FormatName(&name);
+  EXPECT_EQ(expectedResult, result);
+  PORT_Free(result);
+}
+
+}  // namespace nss_test