BESScrub.cc

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00001 // BESScrub.cc
00002 
00003 // This file is part of bes, A C++ back-end server implementation framework
00004 // for the OPeNDAP Data Access Protocol.
00005 
00006 // Copyright (c) 2004,2005 University Corporation for Atmospheric Research
00007 // Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu>
00008 //
00009 // This library is free software; you can redistribute it and/or
00010 // modify it under the terms of the GNU Lesser General Public
00011 // License as published by the Free Software Foundation; either
00012 // version 2.1 of the License, or (at your option) any later version.
00013 // 
00014 // This library is distributed in the hope that it will be useful,
00015 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00016 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00017 // Lesser General Public License for more details.
00018 // 
00019 // You should have received a copy of the GNU Lesser General Public
00020 // License along with this library; if not, write to the Free Software
00021 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00022 //
00023 // You can contact University Corporation for Atmospheric Research at
00024 // 3080 Center Green Drive, Boulder, CO 80301
00025  
00026 // (c) COPYRIGHT University Corporation for Atmospheric Research 2004-2005
00027 // Please read the full copyright statement in the file COPYRIGHT_UCAR.
00028 //
00029 // Authors:
00030 //      pwest       Patrick West <pwest@ucar.edu>
00031 //      jgarcia     Jose Garcia <jgarcia@ucar.edu>
00032 
00033 #include "config.h"
00034 
00035 #include "BESScrub.h"
00036 #include "BESRegex.h"
00037 
00040 
00049 bool
00050 BESScrub::command_line_arg_ok( const string &arg )
00051 {
00052     if( arg.length() > 255 )
00053         return false ;
00054 
00055     return true ;
00056 }
00057 
00063 bool
00064 BESScrub::size_ok(uint sz, uint nelem)
00065 {
00066     return (sz > 0 && nelem < UINT_MAX / sz);
00067 }
00068 
00085 bool
00086 BESScrub::pathname_ok(const string &path, bool strict)
00087 {
00088     if (path.length() > 255)
00089         return false;
00090     
00091     BESRegex name("[0-9A-z_./-]+");
00092     if (!strict)
00093         name = "[:print:]+";
00094         
00095     string::size_type len = path.length() ;
00096     int ret = name.match( path.c_str(), len ) ;
00097     if( ret != len )
00098         return false ;
00099     return true ;
00100 }
00101 
00103 

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