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Viewing changes to client/user_detect.h

  • Committer: Andrew Hutchings
  • Date: 2011-04-19 17:41:43 UTC
  • mto: This revision was merged to the branch mainline in revision 2330.
  • Revision ID: andrew@linuxjedi.co.uk-20110419174143-j5ir17bdq87sbob9
https://launchpad.net/bugs/743902
Add better shell user detect functionality and add it to console

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client/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.
 
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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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#ifndef CLIENT_USER_DETECT_H
 
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#define CLIENT_USER_DETECT_H
 
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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; }
 
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    UserDetect() :
 
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      user(NULL)
 
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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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      {
 
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        user= NULL;
 
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      }
 
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      else
 
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      {
 
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        user= new char[strlen(pw_struct.pw_name)];
 
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        strcpy(user, pw_struct.pw_name);
 
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      }
 
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      delete[] pw_buffer;
 
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    }
 
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    ~UserDetect()
 
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    {
 
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      delete[] user;
 
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    }
 
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  private:
 
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    char* user;
 
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};
 
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#endif /* CLIENT_USER_DETECT_H */