1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
(*
Tux Commander - UCoreClasses - Some useful core classes
Copyright (C) 2007 Tomas Bzatek <tbzatek@users.sourceforge.net>
Check for updates on tuxcmd.sourceforge.net
This program 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 2 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*)
unit UCoreClasses;
interface
uses lazglib2, lazgobject2, lazgtk3, SysUtils, Classes, ULibc, IniFiles, GTKStdCtrls, GTKPixbuf;
type TSystemUser = class
public
UserName, FullName, HomeDir, LoginShell: string;
UID, GID: Cardinal;
end;
TSystemGroup = class
public
GroupName: string;
GID: Cardinal;
Users: TStrings;
end;
TUserManager = class
private
public
UserList, GroupList: TList;
constructor Create;
destructor Destroy; override;
function GetUserName(UID: Cardinal; const ShowNA: boolean = True): string;
function GetGroupName(GID: Cardinal; const ShowNA: boolean = True): string;
end;
TMyIniFile = class(TIniFile)
private
FReadOnly: boolean;
public
constructor Create(const AFileName: string; ReadOnly: boolean); override;
procedure UpdateFile; override;
end;
implementation
uses GTKForms, ULocale, UCoreUtils;
(********************************************************************************************************************************)
(********************************************************************************************************************************)
constructor TUserManager.Create;
var pwd: PPasswd;
User: TSystemUser;
grp: PGroup;
Group: TSystemGroup;
i: integer;
begin
inherited Create;
UserList := TList.Create;
GroupList := TList.Create;
// Load and process /etc/passwd
try
setpwent;
pwd := getpwent;
while pwd <> nil do begin
User := TSystemUser.Create;
User.UserName := String(StrToUTF8(pwd^.pw_name));
User.FullName := String(StrToUTF8(pwd^.pw_gecos));
User.HomeDir := String(StrToUTF8(pwd^.pw_dir));
User.LoginShell := String(StrToUTF8(pwd^.pw_shell));
User.UID := pwd^.pw_uid;
User.GID := pwd^.pw_gid;
UserList.Add(User);
pwd := getpwent;
end;
endpwent;
except end;
// Load and process /etc/group
try
setgrent;
grp := getgrent;
while grp <> nil do begin
Group := TSystemGroup.Create;
Group.GroupName := String(StrToUTF8(grp^.gr_name));
Group.GID := grp^.gr_gid;
Group.Users := TStringList.Create;
{$R-}
if grp^.gr_mem^ <> nil then begin
i := 0;
repeat
Group.Users.Add(String(StrToUTF8(PCharArray(grp^.gr_mem^)[i])));
Inc(i);
until PCharArray(grp^.gr_mem^)[i] = nil;
end;
{$R+}
GroupList.Add(Group);
grp := getgrent;
end;
endgrent;
except end;
end;
destructor TUserManager.Destroy;
var i: integer;
begin
if UserList.Count > 0 then
for i := UserList.Count - 1 downto 0 do begin
TSystemUser(UserList[i]).Free;
UserList.Delete(i);
end;
UserList.Clear;
UserList.Free;
if GroupList.Count > 0 then
for i := GroupList.Count - 1 downto 0 do begin
TSystemGroup(GroupList[i]).Users.Clear;
TSystemGroup(GroupList[i]).Users.Free;
TSystemGroup(GroupList[i]).Free;
GroupList.Delete(i);
end;
GroupList.Clear;
GroupList.Free;
inherited Destroy;
end;
function TUserManager.GetUserName(UID: Cardinal; const ShowNA: boolean = True): string;
var i: integer;
begin
if ShowNA then Result := 'N/A'
else Result := IntToStr(UID);
if UserList.Count > 0 then
for i := 0 to UserList.Count - 1 do
if TSystemUser(UserList[i]).UID = UID then begin
Result := TSystemUser(UserList[i]).UserName;
Break;
end;
end;
function TUserManager.GetGroupName(GID: Cardinal; const ShowNA: boolean = True): string;
var i: integer;
begin
if ShowNA then Result := 'N/A'
else Result := IntToStr(GID);
if GroupList.Count > 0 then
for i := 0 to GroupList.Count - 1 do
if TSystemGroup(GroupList[i]).GID = GID then begin
Result := TSystemGroup(GroupList[i]).GroupName;
Break;
end;
end;
(********************************************************************************************************************************)
(********************************************************************************************************************************)
constructor TMyIniFile.Create(const AFileName: string; ReadOnly: boolean);
begin
FReadOnly := ReadOnly;
inherited Create(AFileName);
end;
procedure TMyIniFile.UpdateFile;
begin
if not FReadOnly then inherited UpdateFile;
end;
(********************************************************************************************************************************)
end.
|
