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CFS_TSU04_19910205_1of1
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update/t20src/dapsai.b36
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MODULE DAPSAI ( ! Extract access info from node ID, or put it in
IDENT = '3(665)'
%BLISS36(,
ENTRY(
D$SetAi, ! Nodeid with access info -> NLB
D$JfnAi, ! JFN -> node user pass acct
D$FspAi, ! Filespec -> node user pass acct
D$NamAi ! Fill access info into NAM block
))
) =
BEGIN
!
! COPYRIGHT (C) DIGITAL EQUIPMENT CORPORATION 1981, 1986.
! ALL RIGHTS RESERVED.
!
! THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND
! COPIED ONLY IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE AND WITH
! THE INCLUSION OF THE ABOVE COPYRIGHT NOTICE. THIS SOFTWARE OR
! ANY OTHER COPIES THEREOF MAY NOT BE PROVIDED OR OTHERWISE MADE
! AVAILABLE TO ANY OTHER PERSON. NO TITLE TO AND OWNERSHIP OF THE
! SOFTWARE IS HEREBY TRANSFERRED.
!
! THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT
! NOTICE AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL
! EQUIPMENT CORPORATION.
!
! DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR RELIABILITY OF
! ITS SOFTWARE ON EQUIPMENT THAT IS NOT SUPPLIED BY DIGITAL.
!
!++
! FACILITY:
!
! ABSTRACT:
!
!
! ENVIRONMENT:
!
! AUTHOR: Andrew Nourse
!
! 665 - Repair D$NAMAI not to blank fill.
! 577 - Put in D$JfnAi, & extract D$FspAi from D$SetAi
! 571 - Put in D$NamAi, add D$ prefix to Setai, remove SetaiF
! 511 03 - Ext addr fix
! 02 - Handle TOPS-20 format
! 01 - Write these routines to parse VMS-format network filespecs
!--
!
! TABLE OF CONTENTS:
!
FORWARD ROUTINE
D$SetAi: NOVALUE,
D$JfnAi: NOVALUE,
D$FspAi: NOVALUE,
D$NamAi: NOVALUE;
!
! INCLUDE FILES:
!
REQUIRE 'RMSREQ';
REQUIRE 'rmsosd'; ! OS-dependent definitions
LIBRARY 'BLISSNET';
!LIBRARY 'BLI:XPORT';
!
! MACROS:
!
MACRO Descriptor_Length[]=Fixed_Desc_Len %;
MACRO Allocate_Descriptor[]=
(LOCAL Desc: REF $Str_Descriptor(%REMAINING);
$Xpo_Get_Mem(Units=Descriptor_Length(%REMAINING),
Result=Desc,
Fill=0);
$Str_Desc_Init(%REMAINING, Descriptor=.Desc);
.Desc) %;
MACRO Allocated_Descriptor[]=Allocate_Descriptor(%REMAINING):
$Str_Descriptor(%REMAINING) %;
!
! EQUATED SYMBOLS:
!
LITERAL
Fixed_Desc_Len = Str$k_F_Bln , ! Length of a fixed descriptor
Dynamic_Desc_Len = Str$k_D_Bln , ! Length of a dynamic descriptor
Bounded_Desc_Len = Str$k_B_Bln , ! Length of a bounded descriptor
Dynamic_Bounded_Desc_Len = Str$k_Db_Bln ; ! dynamic bounded descriptor
!
! THERE SHALL BE NO OWN STORAGE
! However XPORT declares many things OWN that are really pure
PSECT OWN=$HIGH$;
OWN Space: $Str_Descriptor( String=' ');
OWN Quote: $Str_Descriptor( String='"');
GLOBAL ROUTINE D$Setai (
P_Nlb: REF $Xpn_Nlb(),
P_Fab: REF $Fab_decl
) : NOVALUE =
!++
! FUNCTIONAL DESCRIPTION:
!
! Extract the nodename and access info (if any) from a network filespec
! and stuff it into the NLB
!
! FORMAL PARAMETERS:
!
! P_Nlb: Addr of NLB
! P_Fab: Addr of FAB for remote filespec
!
! IMPLICIT INPUTS:
!
! UserJfn: JFN for filespec, or 0
!
! SIDE EFFECTS:
!
! STRING DESCRIPTORS WILL BE ALLOCATED FOR NODE, USERID, PASSWORD
! ACCOUNT, & OPTIONAL DATA IF PRESENT IN NODEID
!
!--
BEGIN
BIND Fab=.P_Fab: $Fab_Decl,
Nlb=.P_Nlb: $Xpn_Nlb();
BIND
Nodeid=Allocated_Descriptor(Class=Fixed),
Userid= Allocated_Descriptor(Class=Fixed),
Password= Allocated_Descriptor(Class=Fixed),
Account=Allocated_Descriptor(Class=Fixed),
Optional= Allocated_Descriptor(Class=Fixed);
LOCAL Nodespec: $Str_Descriptor(Class=Bounded); ![2]
LOCAL
fnaptr; ! Byte pointer to filespec ![2]
Nlb[Nlb$a_Node_Name]=Nodeid;
Nlb[Nlb$a_User_Id]=Userid;
Nlb[Nlb$a_Password]=Password;
Nlb[Nlb$a_Account]=Account;
Nlb[Nlb$a_Optional]=Optional;
!
! Get pointer to filespec and make it a byte pointer if necessary. ![2]
! Handle both a straight address, and a -1,,address (as well as bp)
!
fnaptr=UAPointer(.fab[fab$a_fna]); ![3]
%IF %BLISS(BLISS36)
%THEN %IF %SWITCHES(TOPS20)
%THEN
!
! See if we got a TOPS-20-format remote filespec ![2]
!
IF .UserJfn EQL 0
THEN
BEGIN
LOCAL jfn;
IF Gtjfn( Gj_Sht, .fnaptr; jfn ) NEQ 0
THEN RlJfn ( .jfn )
ELSE IF .jfn EQL Gjfx55
THEN IF Gtjfn (Gj_Sht+Gj_Ofg, .fnaptr; jfn)
THEN UserJfn = .jfn<rh>;
END;
!
! If we have a JFN, use it
!
IF (.UserJfn NEQ 0) AND (.UserJfn LSS %O'600000')
THEN RETURN D$JfnAi( .UserJfn, Nodeid, Userid, Password, Account );
%FI
%FI ! End TOPS-20-specific code
$Str_Desc_Init(Descriptor=Nodespec, Class=Bounded,
String=Asciz_Str(.fnaptr));
D$FspAi( NodeSpec, Nodeid, Userid, Password, Account, Optional );
END; !End of D$SETAI
%IF %SWITCHES(TOPS20)
%THEN
GLOBAL ROUTINE D$JfnAi( Jfn, ! JFN
P_nodeid: REF $Str_Descriptor(), ! Desc for nodeid
P_userid: REF $Str_Descriptor(), ! Desc for userid
P_password: REF $Str_Descriptor(),! Desc for password
P_account: REF $Str_Descriptor() ! Desc for account
) : NOVALUE =
!++
! FUNCTIONAL DESCRIPTION:
!
! Extract the nodename and access info (if any) from a JFN
! and return it in the descriptors provided
!
! FORMAL PARAMETERS:
!
! Jfn: JFN for remote file
! P_nodeid: Descr for remote nodeid or 0
! P_userid: Descr for remote userid or 0
! P_password: Descr for remote password or 0
! P_account: Descr for remote account or 0
!
! SIDE EFFECTS:
!
! The descriptors (p_nodeid ... p_account) are changed to DYNAMIC
!--
BEGIN
LOCAL jfnsbuff: VECTOR[CH$ALLOCATION(40)];
LOCAL jptr: INITIAL(CH$PTR(jfnsbuff));
! Change the descriptors to dynamic
$Str_Desc_Init(Desc=.P_nodeid, Class=Dynamic);
$Str_Desc_Init(Desc=.P_userid, Class=Dynamic);
$Str_Desc_Init(Desc=.P_password, Class=Dynamic);
$Str_Desc_Init(Desc=.P_account, Class=Dynamic);
Jfns(.jptr, .UserJfn,Js_Nod);
IF .P_Nodeid NEQ 0
THEN $Str_Copy(String=Asciz_Str(.jptr), Target=.P_nodeid);
Jfns(.jptr, .UserJfn,Js_At1,Pp('USERID'));
IF .P_UserId NEQ 0
THEN $Str_Copy(String=Asciz_Str(.jptr), Target=.P_Userid);
Jfns(.jptr, .UserJfn,Js_At1,Pp('PASSWORD'));
IF .P_Password NEQ 0
THEN $Str_Copy(String=Asciz_Str(.jptr), Target=.P_password);
Jfns(.jptr, .UserJfn,Js_At1,Pp('CHARGE'));
IF .P_Account NEQ 0
THEN $Str_Copy(String=Asciz_Str(.jptr), Target=.P_account);
RETURN;
END;
%ELSE ! No such thing on TOPS-10
GLOBAL ROUTINE D$JfnAi : NOVALUE = ;
%FI
GLOBAL ROUTINE D$FspAi( P_Filespec,
P_Nodeid, P_UserId, P_Password, P_Account, P_Optional
) : NOVALUE =
!
! Handle VMS-format network filespec
!
BEGIN
BIND Filespec=.P_Filespec: $Str_Descriptor();
BIND Nodeid=.P_Nodeid: $Str_Descriptor();
BIND Userid=.P_Userid: $Str_Descriptor();
BIND Password=.P_Password: $Str_Descriptor();
BIND Account=.P_Account: $Str_Descriptor();
BIND Optional=.P_Optional: $Str_Descriptor();
LOCAL d;
$Str_Scan( Remainder=Filespec, Stop='":', Delimiter=D,
Substring=Filespec );
IF Nodeid NEQ 0
THEN $Str_Desc_Init( Descriptor=Nodeid, String=Filespec ); !d577
IF .d EQL %C'"'
THEN
BEGIN
$Str_Scan( Remainder=Filespec, Span='"', Substring=Filespec );
$Str_Scan( Remainder=Filespec, Stop='" ', Delimiter=d,
Substring=Filespec );
IF Userid NEQ 0
THEN $Str_Desc_Init( Descriptor=Userid, String=Filespec ); !m577
IF .d EQL %C' '
THEN
BEGIN
$Str_Scan( Remainder=Filespec, Span=' ', Substring=Filespec );
$Str_Scan( Remainder=Filespec, Stop='" ', Delimiter=d,
Substring=Filespec );
IF Password NEQ 0
THEN $Str_Desc_Init( Descriptor=Password, String=Filespec ); !m577
IF .D EQL %C' '
THEN
BEGIN
$Str_Scan( Remainder=Filespec, Span=' ',Substring=Filespec );
$Str_Scan( Remainder=Filespec, Stop='" ', Delimiter=d,
Substring=Filespec );
IF Account NEQ 0 !m600
THEN $Str_Desc_Init( Descriptor=Account, String=Filespec );
IF .D EQL %C' '
THEN
BEGIN
$Str_Scan( Remainder=Filespec, Span=' ',
Substring=Filespec );
$Str_Scan( Remainder=Filespec, Stop='" ', Delimiter=D,
Substring=Filespec );
IF Optional NEQ 0
THEN $Str_Desc_Init( Descriptor=Optional,
String=Filespec ); !m577
END;
END;
END;
END;
END;
GLOBAL ROUTINE D$NamAi (
P_Nam: REF $Nam_decl,
P_Nodeid: REF $Str_Descriptor(),
P_Userid: REF $Str_Descriptor(),
P_Password: REF $Str_Descriptor(),
P_Account: REF $Str_Descriptor()
) : NOVALUE =
!++
! FUNCTIONAL DESCRIPTION:
!
! Extract the nodename and access info (if any) from NLB
! and stuff it into the NAM block pointed to by the FAB
!
! FORMAL PARAMETERS:
!
! P_Nam: Addr of NAM block for remote filespec
! P_Nodeid: Descr for remote nodeid
! P_Userid: Descr for remote userid
! P_Password: Descr for remote password
! P_Account: Descr for remote account
!--
BEGIN
BIND Nam = .P_Nam: $Nam_decl; !m575
BIND Nodeid=.P_Nodeid: $Str_Descriptor();
BIND Userid=.P_Userid: $Str_Descriptor();
BIND Password=.P_Password: $Str_Descriptor();
BIND Account=.P_Account: $Str_Descriptor();
LOCAL edesc: $Str_Descriptor( Class=Bounded );
LITERAL ebuffsize = 6 + 1 + 39 + 1 + 39 + 1 + 39 + 1 + 2 ;
LOCAL ebuff: VECTOR[CH$ALLOCATION(ebuffsize)];
REGISTER donttouchmethere=6; ! Kludge for compiler bug !a571
donttouchmethere=.donttouchmethere; !a571
IF (Nam EQL 0)
THEN RETURN;
IF .Nam[Nam$h_Bid] NEQ Nam$k_Bid ! Is it a name block !a575
THEN UserError( Rms$_Nam ); ! no. complain
IF .Nam[Nam$h_Bln] NEQ Nam$k_Bln ! Is name block right length? !m575
THEN RETURN; ! No. ignore it. (error breaks FTS)
IF .Nam[Nam$b_Node] NEQ 0 ! Fill in node only if needed !a545
THEN RETURN;
$Str_Desc_Init( Desc=edesc, Class=Bounded,
String=(ebuffsize, CH$PTR(ebuff)) );
$Str_Copy( String=Nodeid, Target=edesc );
IF .Userid[Str$h_Length] NEQ 0
THEN
BEGIN
$Str_Append( String=Quote, Target=edesc );
$Str_Append( String=UserId, Target=edesc );
$Str_Append( String=Space, Target=edesc );
IF .Nam[Nam$v_Pwd] ! Really include password
THEN $Str_Append( String=Password, Target=edesc )
ELSE $Str_Append( String='password', Target=edesc );
$Str_Append( String=Space, Target=edesc );
$Str_Append( String=Account, Target=edesc );
$Str_Append( String=Quote, Target=edesc );
END;
$Str_Append( String='::', Target=edesc ); !a575
Nam[Nam$b_Node]=.edesc[Str$h_Length];
IF .nam[NAM$H_RSS] NEQ 0
THEN $STR_COPY (STRING = edesc,
TARGET = (MIN (.nam[NAM$H_RSS], .nam[NAM$B_NODE]),
UAPOINTER (.nam[NAM$A_RSA])));
IF .nam[NAM$H_ESS] NEQ 0
THEN $STR_COPY (STRING = edesc,
TARGET = (MIN (.nam[NAM$H_ESS], .nam[NAM$B_NODE]),
UAPOINTER (.nam[NAM$A_ESA])));
END;
END !End of module
ELUDOM