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USER.PAS
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USER.PAS
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{
iB * 03/23/95 - All Routines need to maintain User Files/Index etc.
iB * 08/07/95 - Added Delete User procedure.
iB * 08/08/95 - Fixed ReadUser and FindUser seeking problem.
iB * 08/12/95 - Cleaned out urec. Was allow logins as last user in .NDX
}
{$I+}
Unit User;
Interface
Uses Dos,Records,Vars,GenSubs,CnfgRec,IO;
Procedure CleanURec;
Procedure WriteUFile(U:UserRec; N:Integer);
Procedure WriteUser(U:UserRec);
Function ReadUser(Var U:UserRec):Integer;
Function ValidUserName(N:Str25):Boolean;
Procedure SeekUFile(N:Integer);
Function DupHandle(U:Str25):Boolean;
Procedure FindUser(S:Str25; Var Num:Integer);
Procedure AddUser(U:UserRec);
Procedure DeleteUser(I:Integer);
Procedure OpenUserNDX(U:String);
Procedure CloseUserNDX;
Procedure OpenUFile(U:String);
Procedure CloseUFile;
Procedure OpenUFiles(U:String);
Procedure CloseUFiles;
Procedure ReCreateUserNDX(U:String);
Function NumUsers:integer;
Procedure CheckUsers(U:String);
Procedure SetUserProfile(Var U:UserRec; ProFile:Byte);
Procedure UserUpgrades;
Procedure FixRec(P1:Integer);
Implementation
Var UFile:File Of UserRec;
UIndex:File of Str25;
Procedure CleanURec;
Begin
UNum:=-1;
FillChar(Urec^,SizeOf(UserRec),#0);
With Urec^ do
Begin
Lvl:=0;
XLvl:=0;
Password[1]:='';
TimeLeft:=-1;
End;
Urec^.Regularcolor:=7;
Urec^.Statcolor:=11;
Urec^.Inputcolor:=3;
Urec^.CmdColor:=15;
Urec^.MiscColor:=8;
Urec^.InsideColor:=9;
Urec^.BoxColor:=8;
End;
Procedure OpenUserNDX(U:String);
Begin
Assign(UIndex,CNF^.DataDir+U+'.NDX'); ReSet(UIndex);
End;
Procedure CloseUserNDX;
Begin
Close(UIndex);
End;
Procedure OpenUFile(U:String);
Begin
Assign(Ufile,CNF^.DataDir+U+'.LST'); ReSet(Ufile);
End;
Procedure CloseUFile;
Begin
Close(Ufile);
End;
Procedure OpenUFiles(U:String);
Begin
{UOpenStr:=UOpenStr+'þ';}
OpenUFile(U);
OpenUserNDX(U);
End;
Procedure CloseUFiles;
Begin
{ Delete(UOpenStr,1,Length(UOpenStr));}
CloseUFile;
CloseUserNDX;
End;
Procedure ReCreateUserNDX(U:String);
Begin
If ParamCount=0 Then Writeln('þ Recreating User Index');
OpenUFile(U);
If Exist(U+'.NDX') Then OpenUserNDX(U) Else
Begin
Assign(UIndex,CNF^.DataDir+U+'.NDX');
ReWrite(UIndex);
End;
While Not EOF(Ufile) do
Begin
Read(Ufile,Urec^);
Write(UIndex,Urec^.Handle);
End;
CloseUFiles;
FixRec(0);
End;
Procedure SeekUFile(N:Integer);
Begin
If (N<0) or (N>FileSize(Ufile)) Then Exit;
Seek(UFile,N);
End;
Procedure WriteUFile(U:UserRec; N:Integer);
Begin
Seek(UFile,N); Write(UFile,U);
Seek(UIndex,N); Write(UIndex,U.Handle);
End;
Procedure WriteUser(U:UserRec);
Begin
If UNum<0 then Exit;
OpenUFiles(CurUfile);
WriteUFile(U,Unum);
CloseUfiles;
End;
Function ReadUser(Var U:UserRec):Integer;
Begin
Read(UFile,U);
{ UName:=U.Handle;}
MLevel:=U.Lvl;
ReadUser:=FilePos(Ufile)-1;
End;
Function ValidUserName(N:Str25):Boolean;
Var X:Byte;
Begin
ValidUserName:=False;
If Length(N)<>0 Then
Begin
For X:=1 to Length(N) Do
Begin
If Not (N[X] in ['!','@','$','#','%','^','&','*','(',')','+','='])
and Not (N[X] in ['[',']','{','}',';','"',':','?','>','<','.','/','~','`'])
THen ValidUserName:=True;
End;
End;
End;
Procedure FindUser(S:Str25; Var Num:Integer);
Var Tmp:Str25;
Begin
Num:=-1;
If Length(S)=0 Then Exit;
Seek(UIndex,1);
While Not EOF(UIndex) do
Begin
Read(Uindex,Tmp);
If Match(Tmp,S) Then
Begin
Num:=FilePos(UIndex);
Exit;
End Else Num:=-1;
End;
End;
Function DupHandle(U:Str25):Boolean;
Var Tmp:Str25;
Begin
Reset(UIndex);
DupHandle:=False;
While Not EOF(UIndex) do
Begin
Read(Uindex,Tmp);
If Match(Tmp,U) then DupHandle:=True;
End;
End;
Function FindFreeURec:Integer;
Var Tmp:UserRec;
Begin
ReSet(UFile);
While Not EOF(UFile) Do
Begin
Read(UFile,Tmp);
If ((Length(Tmp.Handle)=0) and (FilePos(Ufile)-1<>0)) Then
Begin
FindFreeUrec:=FilePos(Ufile)-1;
Exit;
End;
End;
FindFreeUrec:=FilePos(Ufile);
End;
Procedure AddUser(U:UserRec);
Var Tmp:UserRec;
P:Integer;
Begin
P:=FindFreeUrec;
Seek(UFile,P); Write(Ufile,U);
Seek(UIndex,P); Write(UIndex,U.Handle);
End;
Procedure DeleteUser(I:Integer);
Var TmpU:UserRec;
Ts:Str25;
Begin
SeekUfile(i);
Seek(UIndex,i-1);
ReadUser(TmpU);
Read(UIndex,Ts);
FillChar(TmpU,SizeOf(TmpU),#0);
FillChar(TS,SizeOf(Ts),#0);
Seek(UIndex,i-1);
Write(Uindex,Ts);
SeekUfile(i);
Seek(UIndex,i-1);
Write(Ufile,TmpU);
End;
Procedure CheckUsers(U:String);
Begin
If ParamCount=0 Then Writeln('þ Checking Users File '+CNF^.DataDir+U+'.LST...');
If Not Exist(CNF^.DataDir+U+'.LST') Then
Begin
Writeln('þ Building Users File...');
Assign(UFile,CNF^.DataDir+U+'.LST');
ReWrite(UFile);
CleanUrec;
{
maybe use this for some kinda registration checking?
Have lots of ideas for record 0, in users file!!!
}
With Urec^ Do
Begin
{fill in record 0}
Handle:='!ShockWavE:PRO!';
Realname:='Ver:'+VerStr;
UserVersion:=Revision;
Password[1]:='¥AþúûAèܽÛ'; { Encryption key for passwords? }
Password[2]:=DateStr(Now);
Password[3]:=TimeStr(Now);
Password[4]:=CNF^.RegNumber;
Lvl:=-1;
Xlvl:=-1;
End;
Write(Ufile,Urec^);
CleanUrec;
With Urec^ Do
Begin
Handle:=CNF^.SysOpName;
RealName:=Handle;
SysOpNote:='Sys: '+CNF^.FullSysName;
UserNote:= SysOpNote;
Phone[1]:='0005551212';
Lvl:=CNF^.SysOpLvl+1;
XLvl:=CNF^.SysOpLvl+1;
TimeLeft:=100;
TimeLimit:=100;
Password[1]:='SysOp';
AccessFlags:='ABCDEFGHIJKLMNOPQRSTUVWXY';
Regularcolor:=7;
Promptcolor:=9;
Statcolor:=11;
Inputcolor:=3;
CmdColor:=15;
MiscColor:=8;
InsideColor:=9;
BoxColor:=8;
MsgHeader:=1;
End;
Write(Ufile,Urec^);
Close(Ufile);
ReCreateUserNDX(U);
End
Else ReCreateUserNDX(U);
End;
Function NumUsers:Integer;
Begin
NumUsers:=FileSize(UFile)-1;
End;
Procedure SetUserProfile(Var U:UserRec; ProFile:Byte);
Var UProfile:ProfileRec;
FProFile:File Of ProFileRec;
Begin
Assign(FProFile,CNF^.DataDir+'PROFILES.DAT');
ReSet(FProFile);
If ProFile<=FileSize(FProFile) Then
Begin
Seek(FProFile,ProFile);
Read(FProFile,UProFile);
Close(FProFile);
With UProFile Do
Begin
U.Lvl:=AcLvl;
U.XLvl:=XferLvl;
U.FilePts:=Fpoints;
U.AccessFlags:=AcFlags;
U.UserNote:=UserNote;
U.ExpDate:=ExpDate;
U.Up_Down_Ratio:=UDR;
U.Up_Down_K_Ratio:=UDKR;
U.PCR:=PCR;
U.TimeLimit:=TimeLimit;
End;
End;
End;
Procedure UserUpgrades;
Begin
If (Urec^.MsgHeader<0) or (Urec^.MsgHeader>4) then Urec^.MsgHeader:=1;
If (Urec^.DefProtocol<0) or (Urec^.DefProtocol>4) then Urec^.DefProtocol:=1;
End;
Procedure FixRec(P1:Integer);
Var UU:UserRec;
Begin
FillChar(UU,SizeOf(UU),#0);
OpenUFiles(CurUFile);
WriteUFile(UU,P1);
CloseUFiles;
End;
Begin
End.