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HP OpenVMS System Services Reference Manual

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The buffer length field in the item descriptor should specify 3 (bytes).

UAI$_BIOLM

Returns the buffered I/O count.

Because this decimal number is a word in length, the buffer length field in the item descriptor should specify 2 (bytes).

UAI$_BYTLM

Returns the buffered I/O byte limit.

Because the buffered I/O byte limit is a longword decimal number, the buffer length field in the item descriptor should specify 4 (bytes).

UAI$_CLITABLES

Returns, as a character string, the name of the user-defined CLI table for the account, if any.

Because the CLI table name can include up to 31 characters in addition to a size-byte prefix, the buffer length field of the item descriptor should specify 32 (bytes).

UAI$_CPUTIM

Returns the maximum CPU time limit (per session) for the process in 10-millisecond units.

Because the maximum CPU time limit is a longword decimal number, the buffer length field in the item descriptor should specify 4 (bytes).

UAI$_DEFCLI

Returns, as an RMS file name component, the name of the command language interpreter used to execute the specified batch job. The file specification returned assumes the device name and directory SYS$SYSTEM and the file type .EXE.

Because a file name can include up to 31 characters in addition to a size-byte prefix, the buffer length field in the item descriptor should specify 32 (bytes).

UAI$_DEFDEV

Returns, as a 1- to 31-character string, the name of the default device.

Because the device name string can include up to 31 characters in addition to a size-byte prefix, the buffer length field in the item descriptor should specify 32 (bytes).

UAI$_DEFDIR

Returns, as a 1- to 63-character string, the name of the default directory.

Because the directory name string can include up to 63 characters in addition to a size-byte prefix, the buffer length field in the item descriptor should specify 64 (bytes).

UAI$_DEF_PRIV

Returns the default privileges for the user.

Because the default privileges are returned as a quadword value, the buffer length field in the item descriptor should specify 8 (bytes).

UAI$_DFWSCNT

Returns the default working set size in pages (on VAX systems) or pagelets (on Alpha and I64 systems).

Because the default working set size is a longword decimal number, the buffer length field in the item descriptor should specify 4 (bytes).

UAI$_DIOLM

Returns the direct I/O count limit.

Because this decimal number is a word in length, the buffer length field in the item descriptor should specify 2 (bytes).

UAI$_DIALUP_ACCESS_P

Returns, as a 3-byte value, the range of times during which dialup access is permitted for primary days. Each bit set represents a 1-hour period, from bit 0 as midnight to 1 a.m. to bit 23 as 11 p.m. to midnight. For each hour the bit is set to 0, access is allowed. For each hour the bit is set to 1, access is denied.

The buffer length field in the item descriptor should specify 3 (bytes).

UAI$_DIALUP_ACCESS_S

Returns, as a 3-byte value, the range of times during which dialup access is permitted for secondary days. Each bit set represents a 1-hour period, from bit 0 as midnight to 1 a.m. to bit 23 as 11 p.m. to midnight. For each hour the bit is set to 0, access is allowed. For each hour the bit is set to 1, access is denied.

The buffer length field in the item descriptor should specify 3 (bytes).

UAI$_ENCRYPT

Returns one of the values shown in the following table, identifying the encryption algorithm for the primary password.

Because the encryption algorithm is a byte in length, the buffer length field in the item descriptor should specify 1 (byte).

Symbolic Name Description
UAI$C_AD_II Uses a CRC algorithm and returns a longword hash value. It was used in VAX VMS releases prior to Version 2.0.
UAI$C_PURDY Uses a Purdy algorithm over salted input. It expects a blank-padded user name and returns a quadword hash value. This algorithm was used during VAX VMS Version 2.0 field test.
UAI$C_PURDY_V Uses the Purdy algorithm over salted input. It expects a variable-length user name and returns a quadword hash value. This algorithm was used in VMS releases prior to Version 5.4.
UAI$C_PURDY_S Uses the Purdy algorithm over salted input. It expects a variable-length user name and returns a quadword hash value. This is the current algorithm that the operating system uses for all new password changes.

UAI$_ENCRYPT2

Returns one of the following values identifying the encryption algorithm for the secondary password:
  • UAI$C_AD_II
  • UAI$C_PURDY
  • UAI$C_PURDY_V
  • UAI$C_PURDY_S

Because the encryption algorithm is a byte in length, the buffer length field in the item descriptor should specify 1 byte.

UAI$_ENQLM

Returns the lock queue limit.

Because this decimal number is a word in length, the buffer length field in the item descriptor should specify 2 (bytes).

UAI$_EXPIRATION

Returns, as a quadword absolute time value, the expiration date and time of the account.

Because the absolute time value is a quadword in length, the buffer length field in the item descriptor should specify 8 (bytes).

UAI$_FILLM

Returns the open file limit.

Because this decimal number is a word in length, the buffer length field in the item descriptor should specify 2 (bytes).

UAI$_FLAGS

Returns, as a longword bit vector, the various login flags set for the user.

Each flag is represented by a bit. The $UAIDEF macro defines the following symbolic names for these flags:

Symbolic Name Description
UAI$V_AUDIT All actions are audited.
UAI$V_AUTOLOGIN User can only log in to terminals defined by the Automatic Login facility (ALF).
UAI$V_CAPTIVE User is restricted to captive account.
UAI$V_DEFCLI User is restricted to default command interpreter.
UAI$V_DISACNT User account is disabled. Same as /FLAG = DISUSER qualifier in AUTHORIZE.
UAI$V_DISCTLY User cannot use Ctrl/Y.
UAI$V_DISFORCE_PWD_CHANGE User will not be forced to change expired passwords at login.
UAI$V_DISIMAGE User cannot issue the RUN or MCR commands or use the foreign command mechanism in DCL.
UAI$V_DISMAIL Announcement of new mail is suppressed.
UAI$V_DISPWDDIC Automatic checking of user-selected passwords against the system dictionary is disabled.
UAI$V_DISPWDHIS Automatic checking of user-selected passwords against previously used passwords is disabled.
UAI$V_DISPWDSYNCH When set, prevents synchronizing a user's SYSUAF.DAT password using an external authentication password (when UAI$V_EXTAUTH is set).
UAI$V_DISRECONNECT User cannot reconnect to existing processes.
UAI$V_DISREPORT User will not receive last login messages.
UAI$V_DISWELCOME User will not receive the login welcome message.
UAI$V_EXTAUTH User is considered to be externally authenticated by their external user ID and password, and not by the SYSUAF user ID and password. The SYSUAF record is still used for checking login restrictions and quotas and for creating the user's OpenVMS process profile.
UAI$V_GENPWD User is required to use generated passwords.
UAI$V_LOCKPWD SET PASSWORD command is disabled.
UAI$V_MIGRATEPWD User's SYSUAF password has been set using AUTHORIZE or SYS$SETUAI and is likely to be inconsistent with the user's external user password. If password migration is enabled, the system will attempt to update the external authentication service the next time the user attempts a login.
UAI$V_NOMAIL Mail delivery to user is disabled.
UAI$V_PWD_EXPIRED Primary password is expired.
UAI$V_PWD2_EXPIRED Secondary password is expired.
UAI$V_RESTRICTED User is limited to operating under a restricted account. (For a description of restricted and captive accounts, see the HP OpenVMS Guide to System Security.)
UAI$V_VMSAUTH When set, the user is allowed to authenticate using the user's SYSUAF.DAT user name and password (when UAI$V_EXTAUTH is set).

UAI$_JTQUOTA

Returns the initial byte quota with which the jobwide logical name table is to be created.

Because this quota is a longword decimal number, the buffer length field in the item descriptor should specify 4 (bytes).

UAI$_LASTLOGIN_I

Returns, as a quadword absolute time value, the date of the last interactive login.

UAI$_LASTLOGIN_N

Returns, as a quadword absolute time value, the date of the last noninteractive login.

UAI$_LGICMD

Returns, as an OpenVMS RMS file specification, the name of the default login command file.

Because a file specification can include up to 63 characters in addition to a size-byte prefix, the buffer length field of the item descriptor should specify 64 (bytes).

UAI$_LOCAL_ACCESS_P

Returns, as a 3-byte value, the range of times during which local interactive access is permitted for primary days. Each bit set represents a 1-hour period, from bit 0 as midnight to 1 a.m. to bit 23 as 11 p.m. to midnight. For each hour the bit is set to 0, access is allowed. For each hour the bit is set to 1, access is denied.

The buffer length field in the item descriptor should specify 3 (bytes).

UAI$_LOCAL_ACCESS_S

Returns, as a 3-byte value, the range of times during which batch access is permitted for secondary days. Each bit set represents a 1-hour period, from bit 0 as midnight to 1 a.m. to bit 23 as 11 p.m. to midnight. For each hour the bit is set to 0, access is allowed. For each hour the bit is set to 1, access is denied.

The buffer length field in the item descriptor should specify 3 (bytes).

UAI$_LOGFAILS

Returns the count of login failures.

Because this decimal number is a word in length, the buffer length field in the item descriptor should specify 2 (bytes).

UAI$_MAXACCTJOBS

Returns the maximum number of batch, interactive, and detached processes that can be active at one time for all users of the same account. The value 0 represents an unlimited number.

Because this decimal number is a word in length, the buffer length field in the item descriptor should specify 2 (bytes).

UAI$_MAXDETACH

Returns the detached process limit. A value of 0 represents an unlimited number.

Because this decimal number is a word in length, the buffer length field in the item descriptor should specify 2 (bytes).

UAI$_MAXJOBS

Returns the active process limit. A value of 0 represents an unlimited number.

Because this decimal number is a word in length, the buffer length field in the item descriptor should specify 2 (bytes).

UAI$_NETWORK_ACCESS_P

Returns, as a 3-byte value, the range of times during which network access is permitted for primary days. Each bit set represents a 1-hour period, from bit 0 as midnight to 1 a.m. to bit 23 as 11 p.m. to midnight. For each hour the bit is set to 0, access is allowed. For each hour the bit is set to 1, access is denied.

The buffer length field in the item descriptor should specify 3 (bytes).

UAI$_NETWORK_ACCESS_S

Returns, as a 3-byte value, the range of times during which network access is permitted for secondary days. Each bit set represents a 1-hour period, from bit 0 as midnight to 1 a.m. to bit 23 as 11 p.m. to midnight. For each hour the bit is set to 0, access is allowed. For each hour the bit is set to 1, access is denied.

The buffer length field in the item descriptor should specify 3 (bytes).

UAI$_OWNER

Returns, as a character string, the name of the owner of the account.

Because the owner name can include up to 31 characters in addition to a size-byte prefix, the buffer length field of the item descriptor should specify 32 (bytes).

UAI$_PBYTLM

Returns the paged buffer I/O byte count limit.

Because the paged buffer I/O byte count limit is a longword decimal number, the buffer length field in the item descriptor should specify 4 (bytes).

UAI$_PGFLQUOTA

Returns the paging file quota in pages (on VAX systems) or in blocks (on Alpha and I64 systems).

Because the paging file quota is a longword decimal number, the buffer length field in the item descriptor should specify 4 (bytes).

UAI$_PRCCNT

Returns the subprocess creation limit.

Because the subprocess creation limit is a longword decimal number, the buffer length field in the item descriptor should specify 4 (bytes).

UAI$_PRI

Returns the default base priority in the range 0 through 31.

Because this decimal number is a byte in length, the buffer length field in the item descriptor should specify 1 (byte).

UAI$_PRIMEDAYS

Returns, as a byte bit vector, the primary and secondary days of the week.

Each bit represents a day of the week, with the bit clear representing a primary day and the bit set representing a secondary day. The $UAIDEF macro defines the following symbolic names for these bits:

UAI$V_MONDAY
UAI$V_TUESDAY
UAI$V_WEDNESDAY
UAI$V_THURSDAY
UAI$V_FRIDAY
UAI$V_SATURDAY
UAI$V_SUNDAY

UAI$_PRIV

Returns, as a quadword value, the names of the privileges the user holds.

Because this value is a quadword in length, the buffer length field in the item descriptor should specify 8 (bytes).

UAI$_PWD

Returns, as a quadword value, the hashed primary password of the user.

Because this value is a quadword in length, the buffer length field in the item descriptor should specify 8 (bytes).

UAI$_PWD_DATE

Returns, as a quadword absolute time value, the date of the last password change.

Because this value is a quadword in length, the buffer length field in the item descriptor should specify 8 (bytes).

A value of --1 indicates that the password is marked as preexpired.

UAI$_PWD_LENGTH

Returns the minimum password length.

Because this decimal number is a byte in length, the buffer length field in the item descriptor should specify 1 (byte).

UAI$_PWD_LIFETIME

Returns, as a quadword delta time value, the password lifetime.

Because this value is a quadword in length, the buffer length field in the item descriptor should specify 8 (bytes).

A quadword of 0 means that none of the password mechanisms will take effect.

UAI$_PWD2

Returns, as a quadword value, the hashed secondary password of the user.

Because this value is a quadword in length, the buffer length field in the item descriptor should specify 8 (bytes).

UAI$_PWD2_DATE

Returns, as a quadword absolute time value, the last date the secondary password was changed.

Because this value is a quadword in length, the buffer length field in the item descriptor should specify 8 (bytes).

A value of --1 indicates that the password could be marked as preexpired.

UAI$_QUEPRI

Returns the maximum job queue priority.

Because this decimal number is a byte in length, the buffer length field in the item descriptor should specify 1 (byte).

UAI$_REMOTE_ACCESS_P

Returns, as a 3-byte value, the range of times during which remote interactive access is permitted for primary days. Each bit set represents a 1-hour period, from bit 0 as midnight to 1 a.m. to bit 23 as 11 p.m. to midnight.

The buffer length field in the item descriptor should specify 3 (bytes).

UAI$_REMOTE_ACCESS_S

Returns, as a 3-byte value, the range of times during which remote interactive access is permitted for secondary days. Each bit set represents a 1-hour period, from bit 0 as midnight to 1 a.m. to bit 23 as 11 p.m. to midnight.

The buffer length field in the item descriptor should specify 3 (bytes).

UAI$_SALT

Returns the random password salt.

Because this decimal number is a word in length, the buffer length field in the item descriptor should specify 2 (bytes).

UAI$_SHRFILLM

Returns the shared file limit.

Because this decimal number is a word in length, the buffer length field in the item descriptor should specify 2 (bytes).

UAI$_TQCNT

Returns the timer queue entry limit.

Because this decimal number is a word in length, the buffer length field in the item descriptor should specify 2 (bytes).

UAI$_UIC

Returns, as a longword, the user identification code (UIC). For the format of the UIC, see the HP OpenVMS Guide to System Security.

UAI$_USER_DATA

Returns up to 255 bytes of information from the user data area of the system user authorization file (SYSUAF).

You can read information written to the user data area from previous versions of the operating system as long as the information written adheres to the guidelines described in the HP OpenVMS Guide to System Security.

UAI$_WSEXTENT

Returns the working set extent, in pages (on VAX systems) or pagelets (on Alpha and I64 systems), for the user of the specified queue or job.

Because the working set extent is a longword decimal number, the buffer length field in the item descriptor should specify 4 (bytes).

UAI$_WSQUOTA

Returns the working set quota, in pages (on VAX systems) or pagelets (on Alpha and I64 systems), for the specified user.

Because this quota is a longword decimal number, the buffer length field in the item descriptor should specify 4 (bytes).

Description

The Get User Authorization Information service returns authorization information about a specified user.

The contxt value returned by $GETUAI should never be used as a value to the $SETUAI system service.

You examine for a valid login by checking the bits of UAI$V_PWD_EXPIRED and UAI$V_DISUSER, and by doing a comparison of the UAI$_PWD_DATE item code against the UAI$_PWD_LIFETIME item code.

The UAI$V_PWD_EXPIRED bit is only set by the system when the bit UAI$V_DISFORCE_PWD_CHANGE is set in the user's SYSUAF record and the comparison between the UAI$_PWD_DATE and UAI$_PWD_LIFETIME indicates a password is past its valid life.

During a normal login when the UAI$V_DISFORCE_PWD_CHANGE bit is not set, the system compares VAI$_PWD_DATE against UAI$_PWD_LIFETIME and, if expired, forces the user to change the password. With this configuration, the UAI$V_PWD_EXPIRED bit is not set.

During a normal login when the VAI$V_DISFORCE_PWD_EXPIRED is set, the system compares UAI$_PWD_DATE against UAI$_PWD_LIFETIME and, if expired, sets the UAI$_PWD_EXPIRED bit and notifies the user to change the now-expired password. In this case, the user is not forced to change the password.

Required Access or Privileges

Use the following list to determine the privileges required to use the $GETUAI service:

  • BYPASS or SYSPRV---Allows access to any record in the user authorization file (UAF).
  • GRPPRV---Allows access to any record in the UAF whose UIC group matches that of the requester.
  • No privilege---Allows access to any UAF record whose UIC matches that of the requester.
    You need read access to the UAF to look up any information other than your own.

Required Quota

None

Related Services

$SETUAI

Condition Values Returned

SS$_NORMAL The service completed successfully.
SS$_ACCVIO The item list or input buffer cannot be read by the caller; or the return length buffer, output buffer, or status block cannot be written by the caller.
SS$_BADPARAM The function code is invalid; the item list contains an invalid item code; a buffer descriptor has an invalid length; or the reserved parameter has a nonzero value.
SS$_NOGRPPRV The user does not have the privileges required to examine the authorization information for other members of the UIC group.
SS$_NOSYSPRV The user does not have the privileges required to examine the authorization information associated with the user or for users outside of the user's UIC group.
RMS$_RSZ The UAF record is smaller than required; the caller's SYSUAF is probably corrupt.

This service can also return OpenVMS RMS status codes associated with operations on indexed files. For example, an inquiry about a nonexistent account returns RMS$_RNF, record not found status. For a description of RMS status codes that are returned by this service, see the OpenVMS Record Management Services Reference Manual.

$GETUTC

Returns the current time in 128-bit UTC format.

On Alpha and I64 systems, this service accepts 64-bit addresses.

Format

SYS$GETUTC utcadr

C Prototype

int sys$getutc (unsigned int *utcadr [4]);

Arguments

utcadr


OpenVMS usage: coordinated universal time
type: utc_date_time
access: write only
mechanism: by 32- or 64-bit reference (Alpha and I64); by 32-bit reference (VAX)

The 128-bit time value to be returned.

Description

The Get UTC Time service returns the current system time in 128-bit UTC format. System time is updated every 10 milliseconds.

On Alpha and I64 systems, the frequency at which system time is updated varies, depending on the clock frequency of the Alpha or I64 processor.

Required Access or Privileges

None

Required Quota

None

Related Services

$ASCUTC, $BINUTC, $NUMUTC, $TIMCON

Condition Values Returned

SS$_NORMAL The service completed successfully.
SS$_ACCVIO The argument was not accessible for write in the mode of the caller.

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