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LibCore: Add Core::Account for login management.
Core::Account abstracts login semantics like password checking and switching uid/gid.
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Libraries/LibCore/Account.h
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81
Libraries/LibCore/Account.h
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/*
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* Copyright (c) 2020, Peter Elliott <pelliott@ualberta.ca>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/Result.h>
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#include <AK/String.h>
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#include <AK/Types.h>
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#include <AK/Vector.h>
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#include <pwd.h>
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#include <sys/types.h>
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namespace Core {
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class Account {
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public:
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static Result<Account, String> from_name(const char* username);
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static Result<Account, String> from_uid(uid_t uid);
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bool authenticate(const char* password) const;
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bool login() const;
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String username() const { return m_username; }
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String password_hash() const { return m_password_hash; }
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// Setters only affect in-memory copy of password.
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// You must call sync to apply changes.
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void set_password(const char* password);
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void set_password_enabled(bool enabled);
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void delete_password();
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bool has_password() const { return !m_password_hash.is_empty(); }
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uid_t uid() const { return m_uid; }
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gid_t gid() const { return m_gid; }
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const String& gecos() const { return m_gecos; }
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const String& home_directory() const { return m_home_directory; }
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const String& shell() const { return m_shell; }
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const Vector<gid_t>& extra_gids() const { return m_extra_gids; }
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bool sync();
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private:
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Account(struct passwd* pwd, Vector<gid_t> extra_gids);
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String m_username;
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// Contents of passwd field in passwd entry.
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// Can be empty, "x", or contain a leading '!'
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String m_password_hash;
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uid_t m_uid { 0 };
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gid_t m_gid { 0 };
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String m_gecos;
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String m_home_directory;
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String m_shell;
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Vector<gid_t> m_extra_gids;
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};
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}
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