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user_detect.h
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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*
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* Copyright (C) 2011 Andrew Hutchings
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#pragma once
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#include <unistd.h>
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#include <pwd.h>
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#include <cstring>
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class
UserDetect
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{
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public
:
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const
char
* getUser() {
return
user.empty() ?
""
: &user[0]; }
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UserDetect
()
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{
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long
pw_len= sysconf(_SC_GETPW_R_SIZE_MAX);
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struct
passwd pw_struct;
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struct
passwd* pw_tmp_struct;
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char
*pw_buffer=
new
char
[pw_len];
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if
(getpwuid_r(geteuid(), &pw_struct, pw_buffer, pw_len, &pw_tmp_struct) == 0)
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user.assign(pw_struct.pw_name, pw_struct.pw_name + strlen(pw_struct.pw_name) + 1);
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delete
[] pw_buffer;
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}
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private
:
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std::vector<char> user;
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};
UserDetect
Definition:
user_detect.h:27
client
user_detect.h
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