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// Copyright (c) 2012 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 "remoting/host/user_authenticator.h"
#include <Security/Security.h>
#include <string>
#include "base/basictypes.h"
#include "base/mac/mac_logging.h"
namespace remoting {
namespace {
class UserAuthenticatorMac : public UserAuthenticator {
public:
UserAuthenticatorMac() {}
virtual ~UserAuthenticatorMac() {}
virtual bool Authenticate(const std::string& username,
const std::string& password);
private:
DISALLOW_COPY_AND_ASSIGN(UserAuthenticatorMac);
};
const char kAuthorizationRightName[] = "system.login.tty";
bool UserAuthenticatorMac::Authenticate(const std::string& username,
const std::string& password) {
// The authorization right being requested. This particular right allows
// testing of a username/password, as if the user were logging on to the
// system locally.
AuthorizationItem right;
right.name = kAuthorizationRightName;
right.valueLength = 0;
right.value = NULL;
right.flags = 0;
AuthorizationRights rights;
rights.count = 1;
rights.items = &right;
// Passing the username/password as an "environment" parameter causes these
// to be submitted to the Security Framework, instead of the interactive
// password prompt appearing on the host system. Valid on OS X 10.4 and
// later versions.
AuthorizationItem environment_items[2];
environment_items[0].name = kAuthorizationEnvironmentUsername;
environment_items[0].valueLength = username.size();
environment_items[0].value = const_cast<char*>(username.data());
environment_items[0].flags = 0;
environment_items[1].name = kAuthorizationEnvironmentPassword;
environment_items[1].valueLength = password.size();
environment_items[1].value = const_cast<char*>(password.data());
environment_items[1].flags = 0;
AuthorizationEnvironment environment;
environment.count = 2;
environment.items = environment_items;
OSStatus status = AuthorizationCreate(&rights, &environment,
kAuthorizationFlagExtendRights,
NULL);
switch (status) {
case errAuthorizationSuccess:
return true;
case errAuthorizationDenied:
return false;
default:
OSSTATUS_LOG(ERROR, status) << "AuthorizationCreate";
return false;
}
}
} // namespace
// static
UserAuthenticator* UserAuthenticator::Create() {
return new UserAuthenticatorMac();
}
} // namespace remoting
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