oct-password.h

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////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 1996-2026 The Octave Project Developers
//
// See the file COPYRIGHT.md in the top-level directory of this
// distribution or <https://octave.org/copyright/>.
//
// This file is part of Octave.
//
// Octave is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Octave is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Octave; see the file COPYING.  If not, see
// <https://www.gnu.org/licenses/>.
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////////////////////////////////////////////////////////////////////////
 
#if ! defined (octave_oct_passwd_h)
#define octave_oct_passwd_h 1
 
#include "octave-config.h"
 
#include <string>
 
#include <sys/types.h>
 
OCTAVE_BEGIN_NAMESPACE(octave)
OCTAVE_BEGIN_NAMESPACE(sys)
 
class OCTAVE_API password
{
public:
 
  password ()
    : m_name (), m_passwd (), m_uid (0), m_gid (0), m_gecos (),
      m_dir (), m_shell (), m_valid (false)
  { }
 
  password (const password& pw)
    : m_name (pw.m_name), m_passwd (pw.m_passwd),
      m_uid (pw.m_uid), m_gid (pw.m_gid), m_gecos (pw.m_gecos),
      m_dir (pw.m_dir), m_shell (pw.m_shell), m_valid (pw.m_valid)
  { }
 
  password& operator = (const password& pw)
  {
    if (this != &pw)
      {
        m_name = pw.m_name;
        m_passwd = pw.m_passwd;
        m_uid = pw.m_uid;
        m_gid = pw.m_gid;
        m_gecos = pw.m_gecos;
        m_dir = pw.m_dir;
        m_shell = pw.m_shell;
        m_valid = pw.m_valid;
      }
 
    return *this;
  }
 
  ~password () = default;
 
  std::string name () const;
 
  std::string passwd () const;
 
  uid_t uid () const;
 
  gid_t gid () const;
 
  std::string gecos () const;
 
  std::string dir () const;
 
  std::string shell () const;
 
  bool ok () const { return m_valid; }
 
  operator bool () const { return ok (); }
 
  static password getpwent ();
  static password getpwent (std::string& msg);
 
  static password getpwuid (uid_t uid);
  static password getpwuid (uid_t uid, std::string& msg);
 
  static password getpwnam (const std::string& nm);
  static password getpwnam (const std::string& nm, std::string& msg);
 
  static int setpwent ();
  static int setpwent (std::string& msg);
 
  static int endpwent ();
  static int endpwent (std::string& msg);
 
private:
 
  // User name.
  std::string m_name;
 
  // Encrypted password.
  std::string m_passwd;
 
  // Numeric user id.
  uid_t m_uid;
 
  // Numeric group id.
  gid_t m_gid;
 
  // Miscellaneous junk.
  std::string m_gecos;
 
  // Home directory.
  std::string m_dir;
 
  // Login shell.
  std::string m_shell;
 
  // Flag that says whether we have been properly initialized.
  bool m_valid;
 
  // This is how we will create a password object from a pointer
  // to a struct passwd.
  password (void *p, std::string& msg);
};
 
OCTAVE_END_NAMESPACE(sys)
OCTAVE_END_NAMESPACE(octave)
 
#endif