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/*
* Copyright (c) 2020, Peter Elliott <pelliott@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/String.h>
#include <AK/Types.h>
#include <AK/Vector.h>
#include <LibCore/SecretString.h>
#include <pwd.h>
#ifndef AK_OS_BSD_GENERIC
# include <shadow.h>
#endif
#include <sys/types.h>
namespace Core {
#ifdef AK_OS_BSD_GENERIC
struct spwd {
char* sp_namp;
char* sp_pwdp;
};
#endif
class Account {
public:
enum class Read {
All,
PasswdOnly
};
static ErrorOr<Account> self(Read options = Read::All);
static ErrorOr<Account> from_name(char const* username, Read options = Read::All);
static ErrorOr<Account> from_uid(uid_t uid, Read options = Read::All);
bool authenticate(SecretString const& password) const;
bool login() const;
String username() const { return m_username; }
String password_hash() const { return m_password_hash; }
// Setters only affect in-memory copy of password.
// You must call sync to apply changes.
void set_password(SecretString const& password);
void set_password_enabled(bool enabled);
void set_home_directory(char const* home_directory) { m_home_directory = home_directory; }
void set_uid(uid_t uid) { m_uid = uid; }
void set_gid(gid_t gid) { m_gid = gid; }
void set_shell(char const* shell) { m_shell = shell; }
void set_gecos(char const* gecos) { m_gecos = gecos; }
void delete_password();
// A null password means that this account was missing from /etc/shadow.
// It's considered to have a password in that case, and authentication will always fail.
bool has_password() const { return !m_password_hash.is_empty() || m_password_hash.is_null(); }
uid_t uid() const { return m_uid; }
gid_t gid() const { return m_gid; }
String const& gecos() const { return m_gecos; }
String const& home_directory() const { return m_home_directory; }
String const& shell() const { return m_shell; }
Vector<gid_t> const& extra_gids() const { return m_extra_gids; }
ErrorOr<void> sync();
private:
static ErrorOr<Account> from_passwd(passwd const&, spwd const&);
Account(passwd const& pwd, spwd const& spwd, Vector<gid_t> extra_gids);
ErrorOr<String> generate_passwd_file() const;
#ifndef AK_OS_BSD_GENERIC
ErrorOr<String> generate_shadow_file() const;
#endif
String m_username;
String m_password_hash;
uid_t m_uid { 0 };
gid_t m_gid { 0 };
String m_gecos;
String m_home_directory;
String m_shell;
Vector<gid_t> m_extra_gids;
};
}
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