Administrator IP address matching method

1   //  Final Method  2   3   4   5           Public   Static   Bool Getadminloginip ( String  Loginip)  6   {  7 List <mastermodel> List = Null ;  8 List = (list <mastermodel> ) Utility. makecacheall [common. Constraints. c_adminuserloginip];  9               If (List! = Null  )  10   {  11                   Foreach (Mastermodel Model In  List)  12  {  13                       If (Model. Name = "  *.*.*.*  " ) //  Allow all IP addresses  14   {  15                           Return   True  ;  16   } 17                       Else   If (Model. Name = loginip) //  Allow the current IP address to exist.  18   {  19                           Return   True  ;  20   }  21                       Else   // Start matching IP Address  22   {  23                           Int Flag = 0 ; //  The default value is 0 when the number of successful matches starts.  24                           String [] Loginiparray = loginip. Split ( '  .  ' ); //  Logon IP Address  25                          String [] Strip = model. Name. Split ( '  .  ' ); //  Allow IP  26                           For ( Int I = 0 ; I < 4 ; I ++ )  27   {  28                              If (Strip [I]! = "  *  "  )  29   {  30                                   If (Strip [I] = Loginiparray [I])  31   {  32 Flag + = 1 ; // If the IP address segment matches successfully, the number of matches increases by 1.  33   }  34                                   Else  35   {  36 Flag = 0 ; //  The number of matching failures is 0 and the current loop exists.  37                                       Break  ;  38  }  39   }  40                               Else  41   {  42 Flag + = 1 ; //  * The number of successful matches + 1 by default  43   }  44  }  45                           If (Flag = 4 ) //  Matched  46   {  47                               Return   True  ;  48   }  49                           // Else  50                           //  {  51                           //  Continue;  //  Jump out of the current loop and perform the next loop  52                           //  }  53   }  54   }  55                  Return   False  ;  56   }  57               Return   False  ;  58 }