Instructions for installing the Prospero server:

This distribution includes the source code for the Prospero server and
client.

You must compile this release using ANSI C, since it makes use of the ANSI C
variable-length argument list facilities and of the ANSI prototypes.
A future release may be compilable under both ANSI and traditional C,
using a conversion program.  If you feel like modifying the ansi2knr
conversion program to perform such a conversion, we would be delighted
to hear from you.


In order to install the server you will need a user-id to run it
under.  I would suggest creating a new account with the name "pfs" or
"prospero" (but this is not required).  The account does not need to
be loginable.  The directory associated with this user-id will be used
to store shadow information.
Put this in the group you want to run the binaries - we suggest "pfs" or
"prospero".

You may also want to add the following entry to /etc/services.  It is
not absolutely necessary to do so since the server will default to the
correct port if this entry is missing.

dirsrv		1525/udp	# The Prospero directory service

IMPORTANT: THE FILE plog.h DEFINES THE CONFIGURATION FOR THE
INFORMATION TO BE LOGGED FOR EACH TYPE OF PROSPERO QUERY.  AS
DISTRIBUTED, PROSPERO IS CONFIGURED TO LOG LOTS OF INFORMATION,
INCLUDING THE NAMES OF CLIENTS AND THE SPECIFIC COMMANDS ISSUED.  THIS
INFORMATION SHOULD BE CONSIDERED SENSITIVE AND YOU MUST PROTECT THE
LOGFILE.  ADDITIONALLY, YOU SHOULD CONFIGURE THE SERVER TO LOG ONLY
THE INFORMATION YOU ACTUALLY NEED.  THIS CAN BE ACCOMPLISHED BY
EDITING THE DEFINITION OF INITIAL_LOG_VECTOR IN plog.h.

To tailor the server to your systems's configuration, edit the file
include/psite.h and include/pserver.h (this has changed since Prospero
release 4).  The definitions that are of particular importance for
this distribution in psite.h are P_BINARIES and P_PATH.  Note that
this distribution is intended to be configured as (a remote) part of
the ISI.EDU guest site.  Thus, there are few changes to be made to
this file.  If you wish to run your own Prospero site (not just your
own Prospero server), you should contact info-prospero@isi.edu to
obtain the proper distribution.  If you will be using Kerberos version
5 authentication in your clients, #define P_KERBEROS.  	If you will be
using Kerberos authentication on the server, define PSRV_KERBEROS.
Note that, at this time, most sites are still using the older Kerberos
version 4 protocol, which this release does not support.

In pserver.h the definitions of imporance are P_DIRSRV_BINARY,
PSRV_HOSTNAME, PSRV_USER_ID, PSRV_LOGFILE, PSRV_ROOT, PSRV_FSHADOW,
PSRV_FSTORAGE, and AFTPDIRECTORY.

If you want to run a Gopher/Prospero gateway on your machine, then
define PSRV_GOPHER_GW in include/pserver.h, uncomment the appropriate
definition of SUBDIR in lib/psrv/Makefile, and uncomment the
appropriate definition of DB_LIBS in server/Makefile.

Next, edit include/pmachine.h.  This file defines some of the machine
and OS specific parameters needed by Prospero.

Then edit the top level Makefile.  First set any machine-specific
parameters.  If you're installing the binaries under HP-UX or another
system which lacks a BSD-like INSTALL, redefine the INSTALL macro as
discussed in the Makefile.  If you're on an AIX system redefine the
MACHDEF macro as discussed in the Makefile.  If you're on a MIPS or
VAX ULTRIX system, you may also need to define the MACHDEF macro as
discussed in the Makefile.

Now set the installation parameters in the top level Makefile.  Set
P_BINARIES to the directory in which the binaries are to be installed.
OWNER and GROUP should be set to the intended owner and group for the
Prospero binaries.  TOPDIR is the name of the directory that will
contain the shadow subdirectory.  (i.e. if P_FSHADOW is
/usr/pfs/shadow, then TOPDIR should be /usr/pfs).  If you will be
using Kerberos version 5, KRB_LIBS and K_INC must be defined
appropriately for your site.  This release must be compiled with an
ANSI compiler; therefore, the default is 'gcc'.  If you're using
another compiler, you may want to change the definitions of CC and
CFLAGS.

If you are running the server in multi-threaded mode, you must 
edit include/pthreads/pthread.h to include the full pathname of files.

If you will be building the PFS compatibility library (which redefines
open and several other library functions), you will have to:
a) remove the definition of P_NO_PCOMPAT from include/psite.h.  
b) replace lib/pcompat/Makefile with lib/pcompat/Makefile.pcompat
c) replace app/Makefile with app/Makefile.pcompat
d) In addition, some systems will require a change to the SC_REDEF variable
   definition in app/Makefile.pcompat.

Next, move back to the top level directory for the distribution and
type 'make'.  Once the distribution has been successfully built, type
'make install'.  If you are running a previous release of Prospero,
rename P_BINARIES to P_BINARIES.old before you 'make install', and
keep P_BINARIES.old around for a while in case you need to revert to
the previous version of Prospero.

The program pstart figures out the appropriate arguments for the
server, sets its UID to that under which the server is to run, and
starts dirsrv.  By making pstart setuid and setgid to the ID under
which the server will run, any user will be able to start/restart the
server.  You should start the server whenever your system is booted.
pstart may be called from the system startup.  It will immediately set
its user and group IDs to that for the server.

If you are running a pre-version-5 prospero server in other than read
only mode, you will need to convert your old directory shadow
hierarchy to the new file format.  Instructions for doing this are in
server/shadowcvt.doc.  If your old server was read only, you do
not need to do this conversion.

The directory app contains the code for versions of cat and ls which
may be linked with the compatability library.  Other programs may also
be linked with the compatability library, but filenames hardcoded into
those programs (or the libraries they call) might be resolved using
Prospero, causing unexpected behavior if those names do not identify
the same files in the active virtual system.  

The directory "doc" contains the source to (a) a manual on using the
Prospero file system, (b) a manual describing version 5 of the
Prospero protocol, and (c) a terse description of the functions in the
Prospero library.  The file "getting-started.txt" in that directory
contains enough information to get started.  The file ".virt-sys" in
that directory contains a reference to a guest virtual system at the
USC Information Sciences Institute.  This may be copied to your home
directory.  If you would like your own virtual system contact
pfs-administrator@isi.edu.

Bug reports should be sent to:

  bug-prospero@isi.edu

Requests or queries about the release should be sent to:

  info-prospero@isi.edu

Requests for creation of virtual systems stored at the USC Information
Sciences Institute guest site, or requests to establish one's own
Prospero site should be sent to:

  pfs-administrator@isi.edu

A public mailing list has been set up for discussion of Prospero.
Among other things, this list can be used to announce directories of
information that users have created and wish to share.  The name of
the list is:

  prospero@isi.edu

Requests for addition or deletions should be sent to:

  prospero-request@isi.edu