BASELINE: Update Chromium to 106.0.5249.126

Change-Id: Ib0bb21c437a7d1686e21c33f2d329f2ac425b7ab
Reviewed-on: https://codereview.qt-project.org/c/qt/qtwebengine-chromium/+/438936
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

1 files changed, 40 insertions, 0 deletions

diff --git a/chromium/net/cert/pki/extended_key_usage.cc b/chromium/net/cert/pki/extended_key_usage.cc
new file mode 100644
index 00000000000..e4e97b30175
--- /dev/null
+++ b/chromium/net/cert/pki/extended_key_usage.cc
@@ -0,0 +1,40 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "net/cert/pki/extended_key_usage.h"
+
+#include "net/der/input.h"
+#include "net/der/parser.h"
+#include "net/der/tag.h"
+
+namespace net {
+
+bool ParseEKUExtension(const der::Input& extension_value,
+                       std::vector<der::Input>* eku_oids) {
+  der::Parser extension_parser(extension_value);
+  der::Parser sequence_parser;
+  if (!extension_parser.ReadSequence(&sequence_parser))
+    return false;
+
+  // Section 4.2.1.12 of RFC 5280 defines ExtKeyUsageSyntax as:
+  // ExtKeyUsageSyntax ::= SEQUENCE SIZE (1..MAX) OF KeyPurposeId
+  //
+  // Therefore, the sequence must contain at least one KeyPurposeId.
+  if (!sequence_parser.HasMore())
+    return false;
+  while (sequence_parser.HasMore()) {
+    der::Input eku_oid;
+    if (!sequence_parser.ReadTag(der::kOid, &eku_oid))
+      // The SEQUENCE OF must contain only KeyPurposeIds (OIDs).
+      return false;
+    eku_oids->push_back(eku_oid);
+  }
+  if (extension_parser.HasMore())
+    // The extension value must follow ExtKeyUsageSyntax - there is no way that
+    // it could be extended to allow for something after the SEQUENCE OF.
+    return false;
+  return true;
+}
+
+}  // namespace net