Authentication improvements:

A new pg_hba.conf column, USER
Allow specifiction of lists of users separated by commas
Allow group names specified by +
Allow include files containing lists of users specified by @
Allow lists of databases, and database files
Allow samegroup in database column to match group name matching dbname
Removal of secondary password files
Remove pg_passwd utility
Lots of code cleanup in user.c and hba.c
New data/global/pg_pwd format
New data/global/pg_group file

Author: bmomjian

doc/src/sgml/client-auth.sgml

@@ -1,5 +1,5 @@
 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/ref/allfiles.sgml,v 1.36 2002/03/19 02:18:12 momjian Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/allfiles.sgml,v 1.37 2002/04/04 04:25:45 momjian Exp $
 PostgreSQL documentation
 Complete list of usable sgml source files in this directory.
 -->
@@ -125,7 +125,6 @@ Complete list of usable sgml source files in this directory.
 <!entity pgCtl              system "pg_ctl-ref.sgml">
 <!entity pgDump             system "pg_dump.sgml">
 <!entity pgDumpall          system "pg_dumpall.sgml">
-<!entity pgPasswd           system "pg_passwd.sgml">
 <!entity pgRestore          system "pg_restore.sgml">
 <!entity pgTclSh            system "pgtclsh.sgml">
 <!entity pgTkSh             system "pgtksh.sgml">

doc/src/sgml/ref/allfiles.sgml

@@ -1,5 +1,5 @@
 <!-- reference.sgml
-$Header: /cvsroot/pgsql/doc/src/sgml/reference.sgml,v 1.24 2002/03/19 02:18:11 momjian Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/reference.sgml,v 1.25 2002/04/04 04:25:44 momjian Exp $
 
 PostgreSQL Reference Manual
 -->
@@ -191,7 +191,6 @@ Disable this chapter until we have more functions documented.
    &initlocation;
    &ipcclean;
    &pgCtl;
-   &pgPasswd;
    &postgres;
    &postmaster;