src/platform/DARWIN/AFSPreference/Krb5Util.m

   1 //
   2 //  Krb5Util.m
   3 //  OpenAFS
   4 //
   5 //  Created by Claudio Bisegni on 20/03/10.
   6 //  Copyright 2010 INFN. All rights reserved.
   7 //
   8
   9 #import "Krb5Util.h"
  10
  11 @implementation Krb5Util
  12 +(KLStatus) getNewTicketIfNotPresent {
  13
  14         KLPrincipal             princ = nil;
  15         KLStatus                kstatus = noErr;
  16         char                    *princName = 0L;
  17         KLBoolean       outFoundValidTickets = false;
  18         @try{
  19                 kstatus = KLCacheHasValidTickets(nil, kerberosVersion_All, &outFoundValidTickets, nil, nil);
  20                 if(!outFoundValidTickets) {
  21                         kstatus = KLAcquireNewInitialTickets(nil, nil, &princ, &princName);
  22                         if(kstatus != noErr && kstatus != klUserCanceledErr) @throw [NSException exceptionWithName:@"Krb5Util"
  23                                                                                                                                                                                                 reason:@"getNewTicketIfNotPresent"
  24                                                                                                                                                                                           userInfo:nil];
  25                 }
  26         }
  27         @catch (NSException * e) {
  28                 @throw e;
  29         }
  30         @finally {
  31                 KLDisposeString (princName);
  32                 KLDisposePrincipal (princ);
  33         }
  34         return kstatus;
  35 }
  36
  37 +(KLStatus) renewTicket:(NSTimeInterval)secToExpire
  38                           renewTime:(NSTimeInterval)renewTime {
  39         KLPrincipal             princ = nil;
  40         KLStatus                kstatus = noErr;
  41         char                    *princName = 0L;
  42         KLTime          expireStartTime;
  43         KLLoginOptions  inLoginOptions;
  44         KLLifetime      inTicketLifetime = renewTime;
  45         NSDate                  *expirationDate = nil;
  46
  47         @try {
  48                 //prepare the login option
  49                 kstatus = KLCreateLoginOptions(&inLoginOptions);
  50                 //set the lifetime of ticket
  51                 kstatus = KLLoginOptionsSetTicketLifetime (inLoginOptions,  inTicketLifetime);
  52                 kstatus = KLLoginOptionsSetRenewableLifetime (inLoginOptions, 0L);
  53                 kstatus = KLLoginOptionsSetTicketStartTime (inLoginOptions, 0);
  54                 //set the preference renewable time
  55                 //kstatus =  KLLoginOptionsSetRenewableLifetime (inLoginOptions, inTicketLifetime);
  56                 //check the start time
  57                 kstatus = KLTicketExpirationTime (nil, kerberosVersion_All, &expireStartTime);
  58
  59                 expirationDate = [NSDate dateWithTimeIntervalSince1970:expireStartTime];
  60                 //NSLog(@"Ticket Expiration time: %@", [expirationDate description]);
  61                 NSTimeInterval secondToExpireTime = [expirationDate timeIntervalSinceNow];
  62                 if(secondToExpireTime <= secToExpire) {
  63
  64                         kstatus = KLRenewInitialTickets ( nil, inLoginOptions, nil, nil);
  65
  66                         kstatus = KLTicketExpirationTime (nil, kerberosVersion_All, &expireStartTime);
  67
  68                         expirationDate = [NSDate dateWithTimeIntervalSince1970:expireStartTime];
  69                         //NSLog(@"Ticket Renewed Unitl %@", expirationDate);
  70                 }
  71         }
  72         @catch (NSException * e) {
  73                 @throw e;
  74         }
  75         @finally {
  76                 KLDisposeString (princName);
  77                 KLDisposePrincipal (princ);
  78                 KLDisposeLoginOptions(inLoginOptions);
  79         }
  80         return kstatus;
  81 }
  82 @end