Adding a separate ONC validation binary.

chromeos/tools/onc_validator/onc_validator.cc

+// Copyright (c) 2011 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 <cstdio>
+#include <iostream>
+
+#include "base/basictypes.h"
+#include "base/command_line.h"
+#include "base/file_path.h"
+#include "base/json/json_file_value_serializer.h"
+#include "base/logging.h"
+#include "base/values.h"
+#include "chromeos/network/onc/onc_signature.h"
+#include "chromeos/network/onc/onc_validator.h"
+
+// Command line switches.
+const char kSwitchErrorOnUnknownField[] = "error-on-unknown-field";
+const char kSwitchErrorOnWrongRecommended[] = "error-on-wrong-recommended";
+const char kSwitchErrorOnMissingField[] = "error-on-missing-field";
+const char kSwitchManagedOnc[] = "managed-onc";
+const char kSwitchUserPolicy[] = "user-policy";
+const char kSwitchDevicePolicy[] = "device-policy";
+const char kSwitchUserImport[] = "user-import";
+
+const char* kSwitches[] = {
+  kSwitchErrorOnUnknownField,
+  kSwitchErrorOnWrongRecommended,
+  kSwitchErrorOnMissingField,
+  kSwitchManagedOnc,
+  kSwitchUserPolicy,
+  kSwitchDevicePolicy,
+  kSwitchUserImport
+};
+
+// Return codes.
+enum ReturnCode {
+  kStatusValid = 0,
+  kStatusWarnings = 1,
+  kStatusInvalid = 2,
+  kStatusJsonError = 3,
+  kStatusArgumentError = 4,
+};
+
+const char kToplevelConfiguration[] = "ToplevelConfiguration";
+const char kNetworkConfiguration[] = "NetworkConfiguration";
+const char kCertificate[] = "Certificate";
+const char* kTypes[] = {
+  kToplevelConfiguration,
+  kNetworkConfiguration,
+  kCertificate
+};
+
+void PrintHelp() {
+  fprintf(stderr,
+          "Usage:\n"
+          "  onc_validator [OPTION]... [TYPE] onc_file\n"
+          "\n"
+          "Valid TYPEs are:\n");
+  for (size_t i = 0; i < arraysize(kTypes); ++i)
+    fprintf(stderr, "  %s\n", kTypes[i]);
+
+  fprintf(stderr,
+          "\n"
+          "Valid OPTIONs are:\n");
+  for (size_t i = 0; i < arraysize(kSwitches); ++i)
+    fprintf(stderr, "  --%s\n", kSwitches[i]);
+
+  fprintf(stderr,
+          "\n"
+          "Exit status is one of:\n"
+          "  %i  File is valid without warnings.\n"
+          "  %i  File is valid with warnings,\n"
+          "       i.e. there were errors which were degraded to warnings.\n"
+          "  %i  File is invalid.\n"
+          "  %i  File couldn't be read or is not a valid JSON dictionary.\n"
+          "  %i  Some command line arguments are wrong.\n",
+          kStatusValid,
+          kStatusWarnings,
+          kStatusInvalid,
+          kStatusJsonError,
+          kStatusArgumentError);
+}
+
+scoped_ptr<base::DictionaryValue> ReadDictionary(std::string filename) {
+  FilePath path(filename);
+  JSONFileValueSerializer serializer(path);
+  serializer.set_allow_trailing_comma(true);
+
+  base::DictionaryValue* dict = NULL;
+
+  std::string json_error;
+  base::Value* value = serializer.Deserialize(NULL, &json_error);
+  if (!value) {
+    LOG(ERROR) << "Couldn't json-deserialize file '" << filename
+               << "': " << json_error;
+    return make_scoped_ptr(dict);
+  }
+
+  if (!value->GetAsDictionary(&dict)) {
+    LOG(ERROR) << "File '" << filename
+               << "' does not contain a dictionary as expected, but type "
+               << value->GetType();
+  }
+
+  return make_scoped_ptr(dict);
+}
+
+int main(int argc, const char* argv[]) {
+  CommandLine::Init(argc, argv);
+
+  const CommandLine& command_line = *CommandLine::ForCurrentProcess();
+  CommandLine::StringVector args = command_line.GetArgs();
+  if (args.size() != 2) {
+    PrintHelp();
+    return kStatusArgumentError;
+  }
+
+  scoped_ptr<base::DictionaryValue> onc_object = ReadDictionary(args[1]);
+
+  if (!onc_object)
+    return kStatusJsonError;
+
+  chromeos::onc::Validator validator(
+      command_line.HasSwitch(kSwitchErrorOnUnknownField),
+      command_line.HasSwitch(kSwitchErrorOnWrongRecommended),
+      command_line.HasSwitch(kSwitchErrorOnMissingField),
+      command_line.HasSwitch(kSwitchManagedOnc));
+
+  if (command_line.HasSwitch(kSwitchUserPolicy))
+    validator.SetOncSource(chromeos::onc::ONC_SOURCE_USER_POLICY);
+  else if (command_line.HasSwitch(kSwitchDevicePolicy))
+    validator.SetOncSource(chromeos::onc::ONC_SOURCE_DEVICE_POLICY);
+  else if (command_line.HasSwitch(kSwitchUserImport))
+    validator.SetOncSource(chromeos::onc::ONC_SOURCE_USER_IMPORT);
+
+  std::string type_arg(args[0]);
+  const chromeos::onc::OncValueSignature* signature = NULL;
+  if (type_arg == kToplevelConfiguration) {
+    signature = &chromeos::onc::kToplevelConfigurationSignature;
+  } else if (type_arg == kNetworkConfiguration) {
+    signature = &chromeos::onc::kNetworkConfigurationSignature;
+  } else if (type_arg == kCertificate) {
+    signature = &chromeos::onc::kCertificateSignature;
+  } else {
+    LOG(ERROR) << "Unknown ONC type '" << type_arg << "'";
+    return kStatusArgumentError;
+  }
+
+  chromeos::onc::Validator::Result result;
+  validator.ValidateAndRepairObject(signature, *onc_object, &result);
+
+  switch(result) {
+    case chromeos::onc::Validator::VALID:
+      return kStatusValid;
+    case chromeos::onc::Validator::VALID_WITH_WARNINGS:
+      return kStatusWarnings;
+    case chromeos::onc::Validator::INVALID:
+      return kStatusInvalid;
+    default:
+      CHECK(false);
+  }
+}