# WASD Install and Update

# 3.Update

3.1 Package UNZIP
3.2 UPDATE.COM Procedure
3.3 Re-Linking

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##### Before Updating

- Review the original installation instructions to refresh the various considerations involved.
- Some insurance on the directory tree is recommended in case the update should fail or otherwise be unusable or problematic (of course, this is good advice whenever about to make major changes to anything!) This may be in the format of a regular site backup, special pre-update backup, or special pre-update ZIP archive of the directory tree. The latter two could be accomplished using commands similar to the following:
  $ BACKUP WASD_ROOT:[000000...] location:WASDROOT.BCK/SAVE/VERIFY $ ZIP "-V" location:WASDROOT.ZIP device:[WASD_ROOT...]*.* $ ZIP "-T" location:WASDROOT.ZIP

  If using ZIP then ensure that a previous version of the target ZIP file does not already exist. If it does then that version is updated, a new version is not created.

- For existing files a new version is created (the first time this is about to occur the UNZIPper requests permission – either "A" for all, or "y" or "n" or a per-file basis).
- It is possible to selectively extract portions of a tree if something has become damaged. This would be accomplished by specifying what needs to be extracted from the archive (instead of the default all), as illustrated by the following example where only the Alpha object modules are extracted.
  $ SET DEFAULT device:[000000] $ UNZIP device:[dir]archive-AXP.ZIP ht_root/src/httpd/obj_axp/*.*

## 3.1 Package UNZIP

Updating a package follows a similar process to installation.

The ZIP archive will contain brief installation instructions. Use the following command to read this and any other information provided.

$ UNZIP -z device:[dir]archive.ZIP

It is recommended to check the integrity of, then list the contents of, the archive before UNZIPing.

$ UNZIP -t device:[dir]archive.ZIP $ UNZIP -l device:[dir]archive.ZIP

The archive contains the complete directory tree. Hence it is necessary to SET DEFAULT into the parent directory of the WASD_ROOT logical name, as with the following example.

$ SHOW LOGICAL WASD_ROOT "WASD_ROOT" = "DKA100:[WASD_ROOT.]" (LNM$SYSTEM_TABLE) $ SET DEFAULT DKA100:[000000] $ UNZIP device:[dir]archive.ZIP

##### Updating From v9.3 or Earlier

Before UNZIPing the v11 package and when updating an existing v9.3 or earlier installation the root directory must be renamed from HT_ROOT.DIR to WASD_ROOT.DIR. The v10 and later packages use [WASD_ROOT] as the top-level directory in line with other naming schema changes employing "WASD". Remember to modify local startup procedures in-line with this new top-level directory name. Also note that the v11 package is not suitable for updating from existing v8.0 or earlier installation.

##### Source Archive, Object Module Archives

If a complete build is planned then only the main archive is required. If a link-only build then an additional archive for each architecture must be UNZIPed.

##### WASD OpenSSL Archive

###### VAX OpenSSL

OpenSSL is no longer supported for VAX.

WASD SSL is discussed in detail in Transport Layer Security of WASD Features and Facilities.

##### Note

The WASD OpenSSL kit is designed as an update to an existing WASD installation and so expects to be UNZIPed under the root directory. Note the use of the "-d" switch in the following example.

$ UNZIP -d [.WASD_ROOT] device:[dir]OPENSSLWASDnnn-arch.ZIP

##### VAX Expat Archive

Expat is an XML parser required for WASD WebDAV. From WASD v11.5.0 the Expat library uses 64 bit data types unavailable to the 32 bit VAX CPU. WASD v11.5.0 and later on VAX requires the replacement of the 64 bit Expat directory with the earlier 32 bit Expat release. The WASD download page notes this and provides an archive of the 32 bit release. After download, UNZIP, and before building, the following additional step is required.

$ DELETE [.WASD_ROOT.SRC.EXPAT...]*.*;* $ UNZIP location:EXPAT201-VAX.ZIP

###### DCL Procedure UPDATE.COM

## 3.2 UPDATE.COM Procedure

The UPDATE.COM procedure assists with subsequent updates of WASD. It assumes a vanilla setup, using the standard directories and account environment described in this document. All sections prompt before performing any action and generally default to "no". Read the questions carefully!

Of course it is best (read mandatory) for the server to be shut down during an update!

$ HTTPD/DO=EXIT/ALL

After UNZIPing the updated package do the following:

$ SET DEFAULT WASD_ROOT:[000000] $ @UPDATE

It provides the following functions:

1. Build Executables – Either compile sources and link, or just link package object code to produce images for the local version of VMS. If the system has a suitable SSL toolkit the installer is requested whether an SSL enabled version be built.
2. Server Quick-Check – Executes a procedure that runs up the HTTPd in demonstration mode. Allows evaluation/checking of the basic package (2.10 Quick-Check).
3. Server Support/Configuration Files – Copies changed example HTTP server configuration and support files from the [EXAMPLE] directory to the [HTTP$SERVER], [LOCAL] and [STARTUP] directories.
4. Update Scripts – Selectively copy groups of scripts from package build directories into the scripting directories.
5. Reapply Package Security – This section traverses the updated tree and sets all package directories and files to required levels of access. For directory settings see Recommended Package Security in WASD Configuration.
6. Post-Update Cleanup – Prompts for permission to execute the post-update procedure described below.
7. Purge Files – Prompts for permission to purge the entire WASD_ROOT:[000000...] tree.

If declined during the update procedure the post-update steps 6 and 7 can be performed at any subsequent time using

$ SET DEFAULT WASD_ROOT:[000000] $ @UPDATE CLEANUP $ PURGE [...]

## 3.3 Re-Linking

After a major update to the operating system the package may refuse to start, reporting the message

%DCL-W-ACTIMAGE, error activating image WHATEVER -CLI-E-IMGNAME, image file DKA0:[SYS0.SYSCOMMON.][SYSLIB]WHATEVER_SHR.EXE -SYSTEM-F-SHRIDMISMAT, ident mismatch with shareable image

This implies the executables require re-linking for your particular version of VMS. This can be accomplished quite simply, perform the linking section only of the UPDATE.COM Procedure.

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