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Programming Interface Information:
This information is NOT
intended to be
used as Programming Interfaces of VM/ESA. It is to be used for diagnosis only. |
LGNBK
Cross Reference (Contains links to field and bit definitions)
LGNBK Prolog
NAME : HCPLGNBK
DESCRIPTION: LOGON work buffer
DSECT : LGNBK
FUNCTION : Used by the LOGON/(X)AUTOLOG code as a work area
for LOGON/(X)AUTOLOG processing.
LOCATED BY : NONE
CREATED BY : HCPAUT HCPLOG
DELETED BY : HCPLGB
LGNBK Control Block Content
LGNBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure LGNBK LOGON work buffer 0000 0 Signed 4 LGNFLGS (0) Parameter flags for logon 0000 0 Bitstring 1 LGNFLAG Command line option flag 1 1... .... LGNAUTO X'80' An AUTOLOG command in process .1.. .... LGNNOIPL X'40' No system IPL to be performed ..1. .... LGNAPL X'20' APL option specified ...1 .... LGNTEXT X'10' TEXT option specified .... 1... LGNQUIET X'08' QUIET option specified .... .1.. LGNDATA X'04' Data line present with command .... ..1. LGNIPL X'02' IPL option specified .... ...1 LGNNORUN X'01' NORUN option specified 0001 1 Bitstring 1 LGNFLAG2 Command line option flag 2 1... .... LGNPASS X'80' PASSWORD option specified .1.. .... LGNPROMT X'40' PROMPT option specified ..1. .... LGNDIRCT X'20' DIRECTORY option specified ...1 .... LGNHERE X'10' HERE option specified .... 1... LGNSYNCH X'08' SYNCH option specified .... .1.. LGNMASK X'04' Mask option specified .... ..1. LGNSECLB X'02' SECLABEL option specified .... ...1 LGNMCH X'01' MACHINE option specified 0002 2 Bitstring 1 LGNFLAG3 Program execution flag 1 1... .... LGNNOFAT X'80' Nonfatal error - return to caller .1.. .... LGNRECON X'40' User to be reconnected ..1. .... LGNMAXU X'20' This user is allowed to LOGON even if the maxusers limit has been exceeded. ...1 .... LGNIS663 X'10' Issued message 663 to user already .... 1... LGNASYNC X'08' Processing Asynchronous XAUTOLOG .... ..1. LGNALOGS X'02' Autolog process - first pass through (X)AUTOLOG/LOGON modules .... ...1 LGNDLOCK X'01' User directory entry is locked 0003 3 Bitstring 1 LGNFLAG4 Program execution flag 2 1... .... LGNDFRWK X'80' Indicates that the deferred work counter for target VMDBK of a reconnect has been incremented. ...1 .... LGNNOCSA X'10' Indicate no CSABK or domain .... 1... LGNNOCRY X'08' Indicate no real crypto facility .... .1.. LGNNOCMD X'04' Indicates this is a dummy logon from the LOGO panel. .... ..1. LGNNAUDT X'02' Indicates that LOGON/(X)AUTOLOG has gone far enough that HCPLGALF should no longer be called. .... ...1 LGNNOPAS X'01' Password=NOPASS in the directory. 0004 4 Bitstring 1 LGNFLAG5 Logon work area flag 5 1... .... LGNAUTH X'80' User passed password(ESM) check so we need to call HCPJRLOG .1.. .... LGNBADPW X'40' User fail password(ESM) check so we need to call HCPJRLPW ..1. .... LGNPRMPT X'20' Causes HCPLGALF to display logon prompt on exit. ...1 .... LGNNOPMT X'10' Do not force the user even though we should not display the logon prompt. .... 1... LGNLOGBY X'08' A BYUSER entered the LOGON command 0005 5 Bitstring 1 LGNCMD 00000004 LGNLOGON X'04' This is a LOGON command 00000008 LGNAUTOL X'08' This is an AUTOLOG command 0000000C LGNXAUT X'0C' This is a CLASS A or B XAUTOLOG 00000010 LGNXAUTG X'10' This is a CLASS G XAUTOLOG 00000014 LGNAUTSI X'14' This is a system initialization autolog. 00000018 LGNAUTPR X'18' This is a TSAF private server autolog. 0000001C LGNLOGOP X'1C' This is the operator logging on system initialization. 0006 6 Bitstring 1 LGNMLVL 1... .... VMDMSGON X'80' CONTROLS WHETHER MESSAGES SENT BY OTHER USERS ARE DISPLAYED. (CONTROLLED BY THE SET MSG OR TERMINAL MSG COMMANDS) .1.. .... VMDWNGON X'40' CONTROLS WHETHER MESSAGES SENT USING THE WARNING COMMAND ARE DISPLAYED. (CONTROLLED BY THE SET WNG OR TERMINAL WNG COMMANDS) ..1. .... VMDMCODE X'20' CONTROLS ERROR MESSAGE DISPLAY OF THE ERROR MESSAGE CODE. (CONTROLLED BY THE SET EMSG OR TERMINAL EMSG COMMANDS) ...1 .... VMDMTEXT X'10' CONTROLS ERROR MESSAGE DISPLAY OF THE ERROR MESSAGE TEXT. (CONTROLLED BY THE SET EMSG OR TERMINAL EMSG COMMANDS) .... 1... VMDSPMSG X'08' CONTROLS WHETHER SPECIAL MESSAGES SENT BY OTHER USERS CAN BE RECEIVED. (CONTROLLED BY THE SET SMSG COMMAND) .... .1.. VMDMIMSG X'04' CONTROLS THE DISPLAY OF SELECTED CP COMMAND INFORMATIONAL RESPONSES. IF SET THE RESPONSES ARE DISPLAYED, IF NOT THE RESPONSES WILL NOT BE DISPLAYED. (CONTROLLED BY THE SET IMSG AND TERMINAL IMSG COMMANDS) 0007 7 Bitstring 1 * Reserved for IBM use 0008 8 Character 8 LGNACNUM Account number 0010 16 Signed 4 LGNILEN IPL command length 0014 20 Address 4 LGNIADDR IPL command address 0018 24 Address 4 LGNDVMD Directory buffer address 001C 28 Address 4 LGNCDATA Pointer to console input data. 0020 32 Signed 4 LGNCDATL Length of console input data. 0024 36 Signed 4 LGNSTOR Storage size in bytes 0028 40 Character 3 LGNMACH Machine setting (i.e. 370, etc) 002B 43 Bitstring 1 LGNDDEF Maps to DVMDDEF 1... .... DVMDXSTR X'80' EXTENDED STORAGE FACILITY ALLOWED .1.. .... DVMDNOP X'40' 'NOPDATA' STATEMENT IN ENTRY ..1. .... DVMDNLG X'20' VIRTUAL MACHINE'S PSWD IS NOLOG ...1 .... DVMDVXC X'10' GUEST IS A VIRTUAL ESA/XC MACHINE .... 1... DVMDVESA X'08' GUEST IS A VIRTUAL ESA .... .1.. DVMDYES X'04' USER HAS AT LEAST ONE DDEV .... ..1. DVMDVXA X'02' GUEST IS A VIRTUAL XA .... ...1 DVMDV370 X'01' GUEST IS A VIRTUAL 370 002C 44 Signed 4 LGNVMDBK VMDBK address of target VMDBK for a reconnect. 0030 48 Signed 4 LGNTODON VMDTODON of the target VMDBK for a reconnect. 0034 52 Address 4 LGNEFTID The address of the effective userid that is causing a LGNAUTPR autolog to be done. This following is the paramter section for HCPRPWRD. 0038 56 Dbl-Word 8 LGNPWDPM (0) Parameters for HCPPWDRD 0038 56 Address 4 LGNPWDIN Address of input password area 003C 60 Address 4 LGNPWDPP Address of the password prompt 0040 64 Bitstring 1 LGNPWLEN Password length The following byte is to manage the fretting for the LGNBK and its related control blocks. It is zero if this process should not fret the LGNBK and is X'FF' if this process should fret the LGNBK. It is updated with TEST AND SET. 0041 65 Bitstring 1 LGNFRET Fret byte... 0042 66 Bitstring 2 * Alignment 0044 68 Character 139 LGNBUFF Message buffer (see description on the next page) 00CF 207 Bitstring 1 * Alignment 00D0 208 Dbl-Word 8 LGNACIPM (0) Area for ACIPARMS 0000001A LGNBKL (*-LGNBK+7)/8 Size of LGNBK in doublewords LGNBUFF - Buffer/work area for constructing message substitution data. The first field in this area (MSGPDUID) contains the userid padded with blanks (if necessary) of the user being logged on. This field is constructed from the userid on the command line and is preserved throughout the process of logging on the user. It is used for a couple of purposes. First, it is used as input to all routines requiring a userid (such as HCPUDR). Second, it is used as substitution data for the "tag" placed on messages issued for the asynchronous XAUTOLOG command. For this reason, it is immediately followed by a delimiter (initially set to X'FF'). Immediately following MSGPDUID and its delimiter (MSGPUDLM), all other substitution data for "tagged" and untagged messages are constructed. This area is labelled MSGSUB. The first field (that is always constructed at the same time as MSGPDUID) is MSGUID, which contains the userid with trailing blanks removed. It is delimited with X'FF'. This the most common substitution data in messages issued by these modules. This field should not be overlaid when issueing non-fatal messages because it may be required by a subsequent fatal error message. For fatal error messages having substitution data other than the userid, the substitution data should be constructed starting at label MSGSUB (overlaying the userid). This area may be redefined in a particular module for various messages to be issued by the module. This is done in the module by placing the local definitions following this mapping and using an ORG MSGSUB in front of the definition(s) for each message. For non-fatal (informational) messages, MSGUID should not be overlaid. In these cases, start building the substitution data at label MSGODATA. Use of the message buffer area: - For "tagged" asynchronous XAUTOLOG messages with no substitution data other than in the tag, point R1 to the field MSGPDUID. - For "tagged" asynchronous XAUTOLOG messages with substitution data in the basic message text, change the delimiter MSGPUDLM to X'00' and point R1 to the field MSGPDUID. - For untagged error messages with substitution data, point R1 to the field MSGSUB. - For informational (non-fatal) messages with substitution data, point R1 to the field MSGODATA. 0044 68 Character 8 LGNPDUID Padded userid 004C 76 Character 1 LGNPUDLM Userid delimiter 004D 77 Character 1 LGNSUB (0) Message substitution fields 004D 77 Character 8 LGNUID Non-padded userid for messages 0055 85 Character 1 LGNUIDLM Userid delimiter 0056 86 Character 1 LGNODATA (0) Other substitution data Some overlays used by different messages. 004D 77 Character 8 LGNLUNAM LUNAME 0055 85 Character 1 LGNLUEND Message substitution end delimiter 004D 77 Character 5 LGNDVADR Device address 0052 82 Character 1 LGNDVEND Message substitution end delimiter 004D 77 Character 8 LGNSYSNM "Other" system name 0055 85 Character 1 LGNSYSND Message substitution end delimiter Substitutions unique to message 1513 004D 77 Character 4 LGN13DNA Device name 0051 81 Character 1 LGN13DL1 Substitution delimiter 0052 82 Character 5 LGN13DNU Device number 0057 87 Character 1 LGN13END Message substitution end delimiter Here are some constants used by logon. .... .1.. LGNLIMIT X'04' Number of LOGON cmds before a skeleton is forced. .... ...1 LGNPWLMT X'01' Number of times to prompt for a password.
LGNBK Storage Layout
*** LGNBK - LOGON work buffer * * +------+------+------+------+------+------+------+------+ * 0 |:FLAG |:FLAG2|:FLAG3|:FLAG4|:FLAG5|LGNCMD|:MLVL |//////| * +------+------+------+------+------+------+------+------+ * 8 | LGNACNUM | * +---------------------------+---------------------------+ * 10 | LGNILEN | LGNIADDR | * +---------------------------+---------------------------+ * 18 | LGNDVMD | LGNCDATA | * +---------------------------+---------------------------+ * 20 | LGNCDATL | LGNSTOR | * +--------------------+------+---------------------------+ * 28 | LGNMACH |:DDEF | LGNVMDBK | * +--------------------+------+---------------------------+ * 30 | LGNTODON | LGNEFTID | * +---------------------------+---------------------------+ * 38 | LGNPWDIN | LGNPWDPP | * +------+------+-------------+---------------------------+ * 40 |:PWLEN|:FRET |/////////////| | * +------+------+-------------+ | * 48 | | * = LGNBUFF = * | +------+ * C8 | |//////| * +------------------------------------------------+------+ * D0 | | * = LGNACIPM = * | | * +-------------------------------------------------------+ * *** LGNBK - LOGON work buffer *** Overlay for LGNBUFF in LGNBK * * +---------------------------+ * ... 44 | LGNPDUID- | * +---------------------------+------+--------------------+ * 48 | -(044) |:PUDLM| (04D)- | * +---------------------------+------+------+-------------+ * 50 | -LGNUID |:UIDLM| | * +----------------------------------+------+ | * 58 | | * = LGNODATA = * | | * +-------------------------------------------------------+ * *** Overlay for LGNBUFF in LGNBK *** Overlay for LGNSUB in LGNBK * * +--------------------+ * ... 4D | (04D)- | * +----------------------------------+------+-------------+ * 50 | -LGNLUNAM |:LUEND| 56 * +----------------------------------+------+ * *** Overlay for LGNSUB in LGNBK *** Overlay for LGNSUB in LGNBK * * +--------------------+ * ... 4D | LGNDVADR- | * +-------------+------+-------------+--------------------+ * 50 | -(04D) |:DVEND| 53 * +-------------+------+ * *** Overlay for LGNSUB in LGNBK *** Overlay for LGNSUB in LGNBK * * +--------------------+ * ... 4D | (04D)- | * +----------------------------------+------+-------------+ * 50 | -LGNSYSNM |:SYSND| 56 * +----------------------------------+------+ * *** Overlay for LGNSUB in LGNBK *** Overlay for LGNSUB in LGNBK * * +--------------------+ * ... 4D | LGN13DNA- | * +------+------+--------------------+-------------+------+ * 50 |-(04D)|:13DL1| LGN13DNU |:13END| * +------+------+----------------------------------+------+ * 58 * *** Overlay for LGNSUB in LGNBK
LGNBK Cross Reference
(contains links to field and bit definitions)Symbol Dspl Value -------------- ---- -----DVMDNLG 002B 20
DVMDNOP 002B 40
DVMDVESA 002B 08
DVMDVXA 002B 02
DVMDVXC 002B 10
DVMDV370 002B 01
DVMDXSTR 002B 80
DVMDYES 002B 04
LGNACIPM 00D0
LGNACNUM 0008
LGNALOGS 0002 02
LGNAPL 0000 20
LGNASYNC 0002 08
LGNAUTH 0004 80
LGNAUTO 0000 80
LGNAUTOL 0005 00000008
LGNAUTPR 0005 00000018
LGNAUTSI 0005 00000014
LGNBADPW 0004 40
LGNBKL 00D0 0000001A
LGNBUFF 0044
LGNCDATA 001C
LGNCDATL 0020
LGNCMD 0005
LGNDATA 0000 04
LGNDDEF 002B
LGNDFRWK 0003 80
LGNDIRCT 0001 20
LGNDLOCK 0002 01
LGNDVADR 004D
LGNDVEND 0052
LGNDVMD 0018
LGNEFTID 0034
LGNFLAG 0000
LGNFLAG2 0001
LGNFLAG3 0002
LGNFLAG4 0003
LGNFLAG5 0004
LGNFLGS 0000
LGNFRET 0041
LGNHERE 0001 10
LGNIADDR 0014
LGNILEN 0010
LGNIPL 0000 02
LGNIS663 0002 10
LGNLIMIT 0057 04
LGNLOGBY 0004 08
LGNLOGON 0005 00000004
LGNLOGOP 0005 0000001C
LGNLUEND 0055
LGNLUNAM 004D
LGNMACH 0028
LGNMASK 0001 04
LGNMAXU 0002 20
LGNMCH 0001 01
LGNMLVL 0006
LGNNAUDT 0003 02
LGNNOCMD 0003 04
LGNNOCRY 0003 08
LGNNOCSA 0003 10
LGNNOFAT 0002 80
LGNNOIPL 0000 40
LGNNOPAS 0003 01
LGNNOPMT 0004 10
LGNNORUN 0000 01
LGNODATA 0056
LGNPASS 0001 80
LGNPDUID 0044
LGNPRMPT 0004 20
LGNPROMT 0001 40
LGNPUDLM 004C
LGNPWDIN 0038
LGNPWDPM 0038
LGNPWDPP 003C
LGNPWLEN 0040
LGNPWLMT 0057 01
LGNQUIET 0000 08
LGNRECON 0002 40
LGNSECLB 0001 02
LGNSTOR 0024
LGNSUB 004D
LGNSYNCH 0001 08
LGNSYSND 0055
LGNSYSNM 004D
LGNTEXT 0000 10
LGNTODON 0030
LGNUID 004D
LGNUIDLM 0055
LGNVMDBK 002C
LGNXAUT 0005 0000000C
LGNXAUTG 0005 00000010
LGN13DL1 0051
LGN13DNA 004D
LGN13DNU 0052
LGN13END 0057
VMDMCODE 0006 20
VMDMIMSG 0006 04
VMDMSGON 0006 80
VMDMTEXT 0006 10
VMDSPMSG 0006 08
VMDWNGON 0006 40
Last updated on 3 Aug 1999 at 12:09:44 EDT.
Copyright IBM Corporation, 1990, 1999