osquery-1/osquery/core/flags.cpp
mike@arpaia.co b9f732c31f Updating the license comment to be the correct open source header
As per t5494224, all of the license headers in osquery needed to be updated
to reflect the correct open source header style.
2014-12-18 10:52:55 -08:00

91 lines
2.5 KiB
C++

/*
* Copyright (c) 2014, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*/
#include <osquery/flags.h>
namespace osquery {
Flag& Flag::get(const std::string& name,
const std::string& type,
const std::string& value,
const std::string& desc,
bool shell_only) {
static Flag f;
if (name != "") {
f.add(name, type, value, desc, shell_only);
}
return f;
}
void Flag::add(const std::string& name,
const std::string& type,
const std::string& value,
const std::string& desc,
bool shell_only) {
auto escaped_value = value;
if (type == "string") {
escaped_value.erase(0, 1);
escaped_value.erase(escaped_value.end() - 1, escaped_value.end());
}
if (!shell_only) {
flags_.insert(
std::make_pair(name, std::make_tuple(type, escaped_value, desc)));
} else {
shell_flags_.insert(
std::make_pair(name, std::make_tuple(type, escaped_value, desc)));
}
}
Status Flag::getDefaultValue(const std::string& name, std::string& value) {
if (Flag::get().flags().count(name)) {
value = std::get<1>(Flag::get().flags()[name]);
} else if (Flag::get().shellFlags().count(name)) {
value = std::get<1>(Flag::get().shellFlags()[name]);
} else {
return Status(1, "Flag name not found.");
}
return Status(0, "OK");
}
bool Flag::isDefault(const std::string& name) {
std::string current_value;
if (!__GFLAGS_NAMESPACE::GetCommandLineOption(name.c_str(), &current_value)) {
return false;
}
std::string default_value;
if (!getDefaultValue(name, default_value).ok()) {
return false;
}
return (default_value == current_value);
}
std::string Flag::getValue(const std::string& name) {
std::string current_value;
__GFLAGS_NAMESPACE::GetCommandLineOption(name.c_str(), &current_value);
return current_value;
}
Status Flag::updateValue(const std::string& name, const std::string& value) {
__GFLAGS_NAMESPACE::SetCommandLineOption(name.c_str(), value.c_str());
return Status(0, "OK");
}
void Flag::printFlags(const std::map<std::string, FlagDetail> flags) {
for (const auto& flag : flags) {
fprintf(stdout,
" --%s=%s\n %s\n",
flag.first.c_str(),
std::get<1>(flag.second).c_str(),
std::get<2>(flag.second).c_str());
}
}
}