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annotate liboctave/system/oct-password.h @ 30564:796f54d4ddbf stable

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update Octave Project Developers copyright for the new year In files that have the "Octave Project Developers" copyright notice, update for 2021. In all .txi and .texi files except gpl.txi and gpl.texi in the doc/liboctave and doc/interpreter directories, change the copyright to "Octave Project Developers", the same as used for other source files. Update copyright notices for 2022 (not done since 2019). For gpl.txi and gpl.texi, change the copyright notice to be "Free Software Foundation, Inc." and leave the date at 2007 only because this file only contains the text of the GPL, not anything created by the Octave Project Developers. Add Paul Thomas to contributors.in.
author John W. Eaton <jwe@octave.org>
date Tue, 28 Dec 2021 18:22:40 -0500
parents 96a40641d86e
children e88a07dec498
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 1996-2022 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if ! defined (octave_oct_passwd_h)
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27 #define octave_oct_passwd_h 1
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28
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29 #include "octave-config.h"
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30
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31 #include <string>
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32
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33 #include <sys/types.h>
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34
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35 namespace octave
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36 {
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37 namespace sys
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38 {
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39 class
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40 OCTAVE_API
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41 password
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42 {
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43 public:
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44
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45 password (void)
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46 : m_name (), m_passwd (), m_uid (0), m_gid (0), m_gecos (),
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47 m_dir (), m_shell (), m_valid (false)
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48 { }
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49
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50 password (const password& pw)
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51 : m_name (pw.m_name), m_passwd (pw.m_passwd),
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52 m_uid (pw.m_uid), m_gid (pw.m_gid), m_gecos (pw.m_gecos),
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53 m_dir (pw.m_dir), m_shell (pw.m_shell), m_valid (pw.m_valid)
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54 { }
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55
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56 password& operator = (const password& pw)
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57 {
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58 if (this != &pw)
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59 {
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60 m_name = pw.m_name;
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61 m_passwd = pw.m_passwd;
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62 m_uid = pw.m_uid;
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63 m_gid = pw.m_gid;
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64 m_gecos = pw.m_gecos;
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65 m_dir = pw.m_dir;
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66 m_shell = pw.m_shell;
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67 m_valid = pw.m_valid;
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68 }
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69
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70 return *this;
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71 }
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72
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73 ~password (void) = default;
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74
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75 std::string name (void) const;
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76
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77 std::string passwd (void) const;
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78
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79 uid_t uid (void) const;
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80
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81 gid_t gid (void) const;
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82
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83 std::string gecos (void) const;
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84
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85 std::string dir (void) const;
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86
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87 std::string shell (void) const;
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88
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89 bool ok (void) const { return m_valid; }
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90
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91 operator bool () const { return ok (); }
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92
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93 static password getpwent (void);
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94 static password getpwent (std::string& msg);
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95
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96 static password getpwuid (uid_t uid);
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97 static password getpwuid (uid_t uid, std::string& msg);
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98
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99 static password getpwnam (const std::string& nm);
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100 static password getpwnam (const std::string& nm, std::string& msg);
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101
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102 static int setpwent (void);
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103 static int setpwent (std::string& msg);
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104
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105 static int endpwent (void);
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106 static int endpwent (std::string& msg);
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107
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108 private:
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109
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110 // User name.
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111 std::string m_name;
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112
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113 // Encrypted password.
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114 std::string m_passwd;
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115
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116 // Numeric user id.
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117 uid_t m_uid;
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118
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119 // Numeric group id.
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120 gid_t m_gid;
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121
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122 // Miscellaneous junk.
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123 std::string m_gecos;
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124
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125 // Home directory.
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126 std::string m_dir;
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127
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128 // Login shell.
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129 std::string m_shell;
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130
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131 // Flag that says whether we have been properly initialized.
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132 bool m_valid;
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133
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134 // This is how we will create a password object from a pointer
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135 // to a struct passwd.
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136 password (void *p, std::string& msg);
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137 };
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138 }
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139 }
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140
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141 #endif