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// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/components/onc/onc_validator.h"
#include <stddef.h>
#include <cstdio>
#include <iostream>
#include <utility>
#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/json/json_file_value_serializer.h"
#include "base/json/json_reader.h"
#include "base/logging.h"
#include "base/notreached.h"
#include "base/values.h"
#include "chromeos/components/onc/onc_signature.h"
// TODO Check why this file do not fail on default trybots
// http://crbug.com/543919
// 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 (auto& type : kTypes) {
fprintf(stderr, " %s\n", type);
}
fprintf(stderr,
"\n"
"Valid OPTIONs are:\n");
for (auto& switch_val : kSwitches) {
fprintf(stderr, " --%s\n", switch_val);
}
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);
}
std::optional<base::Value::Dict> ReadDictionary(const std::string& filename) {
base::FilePath path(filename);
JSONFileValueDeserializer deserializer(path,
base::JSON_ALLOW_TRAILING_COMMAS);
std::string json_error;
std::unique_ptr<base::Value> value =
deserializer.Deserialize(nullptr, &json_error);
if (!value) {
LOG(ERROR) << "Couldn't json-deserialize file '" << filename
<< "': " << json_error;
return std::nullopt;
}
if (!value->is_dict()) {
LOG(ERROR) << "File '" << filename
<< "' does not contain a dictionary as expected, but type "
<< base::Value::GetTypeName(value->type());
}
return std::move(*value).TakeDict();
}
int main(int argc, const char* argv[]) {
base::CommandLine::Init(argc, argv);
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
base::CommandLine::StringVector args = command_line.GetArgs();
if (args.size() != 2) {
PrintHelp();
return kStatusArgumentError;
}
std::optional<base::Value::Dict> 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(::onc::ONC_SOURCE_USER_POLICY);
else if (command_line.HasSwitch(kSwitchDevicePolicy))
validator.SetOncSource(::onc::ONC_SOURCE_DEVICE_POLICY);
else if (command_line.HasSwitch(kSwitchUserImport))
validator.SetOncSource(::onc::ONC_SOURCE_USER_IMPORT);
std::string type_arg(args[0]);
const chromeos::onc::OncValueSignature* signature = nullptr;
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.value(), &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:
NOTREACHED();
}
}
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