1 mike  1.2 //%/////////////////////////////////////////////////////////////////////////////
  2           //
  3           // Copyright (c) 2000, 2001 BMC Software, Hewlett-Packard Company, IBM,
  4           // The Open Group, Tivoli Systems
  5           //
  6           // Permission is hereby granted, free of charge, to any person obtaining a
  7           // copy of this software and associated documentation files (the "Software"),
  8           // to deal in the Software without restriction, including without limitation
  9           // the rights to use, copy, modify, merge, publish, distribute, sublicense,
 10           // and/or sell copies of the Software, and to permit persons to whom the
 11           // Software is furnished to do so, subject to the following conditions:
 12           //
 13           // The above copyright notice and this permission notice shall be included in
 14           // all copies of substantial portions of this software.
 15           //
 16           // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 17           // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 18           // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 19           // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 20           // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 21           // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 22 mike  1.2 // DEALINGS IN THE SOFTWARE.
 23           //
 24           //==============================================================================
 25           //
 26           // Author: Bapu Patil, Hewlett-Packard Company (bapu_patil@hp.com)
 27           //
 28           // Modified By:
 29           //                Nag Boranna, Hewlett-Packard Company (nagaraja_boranna@hp.com)
 30           //
 31           //%/////////////////////////////////////////////////////////////////////////////
 32           
 33           #ifndef Pegasus_LocalAuthFile_h
 34           #define Pegasus_LocalAuthFile_h
 35           
 36           #include <fstream>
 37           #include <stdlib.h>
 38           #include <stdio.h>
 39           #include <Pegasus/Common/Config.h>
 40           #include <Pegasus/Common/System.h>
 41           #include "Linkage.h"
 42           
 43 mike  1.2 PEGASUS_NAMESPACE_BEGIN
 44           
 45           /**
 46            * Maximum buffer size 
 47            */
 48           #define MAX_BUFFER_SIZE 256
 49           
 50           /**
 51            * Maximum password buffer size. Used by getpwnam_r call.
 52            */
 53           #define MAX_PWD_BUFFER_SIZE 1024
 54           
 55           
 56           /**
 57               This class provides the required functions to create, write and delete to a 
 58               file on UNIX file system.
 59           */
 60           
 61           class PEGASUS_SECURITY_LINKAGE LocalAuthFile
 62           {
 63           public:
 64 mike  1.2 
 65               /** Constructor. */
 66               LocalAuthFile(String userName);
 67           
 68                 
 69               /** Destructor. */
 70               ~LocalAuthFile();
 71           
 72               /**
 73                   Create a file and make a random token data entry to it. 
 74                
 75                   @return   String    full path name of the file created if 
 76                                       the file created successfull, null otherwise. 
 77               */
 78               String create();
 79               
 80               /**
 81                   Removes the file created.
 82                
 83                   @return   true      on successful removal of the file,
 84                                       false otherwise.
 85 mike  1.2     */
 86               Boolean remove();
 87           
 88               /**
 89                   Get the string that was created as a challenge string
 90               */
 91               String getChallengeString();
 92           
 93           private:
 94           
 95               /**
 96                   Changes file owner to the current process owner and also set
 97                   file permissions to read-only by that user.
 98                
 99                   @param    filename   name of the file      
100                   @return   true on success, false on failure.
101                */
102                Boolean _changeFileOwner(char* fileName);
103           
104               /**
105                   Generate random token string.
106 mike  1.2      */
107                String _generateRandomTokenString();
108           
109               /**
110                   Used to store the user name
111                */
112               char*  _user;
113           
114               /**
115                   Full path name of the file that is sent in the challenge.
116               */
117               String _filePathName;
118           
119               /**
120                   Challenge string that is written to the file.
121               */
122               String _challenge;
123           
124           };
125           
126           PEGASUS_NAMESPACE_END
127 mike  1.2 
128           #endif /* Pegasus_LocalAuthFile_h */