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r10990: the beginnings of a program designed to work out the minimal schema

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needed to represent all the current records on a ADS LDAP server. The
idea is we will use something based on this code to work out exactly
what schema elements we will need for our initial ADS schema. I plan
on expanding this code to automatically work out attribute properties,
and write out a schema file that we can load into ldb.

Interestingly, it looks like we only need 43 objectclasses and around
200 attributes to represent all records of a newly installed w2k3 ADS
server.
This commit is contained in:
Andrew Tridgell 2005-10-14 07:38:16 +00:00 committed by Gerald (Jerry) Carter
parent b06de6d39c
commit 7b0ae77757
1 changed files with 112 additions and 0 deletions
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112
testprogs/ejs/minschema.js Executable file
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#!/bin/sh
exec smbscript "$0" ${1+"$@"}
/*
work out the minimal schema for the existing records on a server by examining
all records and working out what objectclasses and attributes exist
*/
libinclude("base.js");
var ldb = ldb_init();
var options = GetOptions(ARGV,
"POPT_AUTOHELP",
"POPT_COMMON_SAMBA",
"POPT_COMMON_CREDENTIALS");
if (options == undefined) {
println("Failed to parse options");
return -1;
}
if (options.ARGV.length != 1) {
println("Usage: minschema.js <URL>");
return -1;
}
var url = options.ARGV[0];
var ok = ldb.connect(url);
assert(ok);
objectclasses = new Object();
attributes = new Object();
/*
process an individual record, working out what attributes it has
*/
function walk_dn(ldb, dn) {
/* get a list of all possible attributes for this object */
var attrs = new Array("allowedAttributes");
var res = ldb.search("objectClass=*", dn, ldb.SCOPE_BASE, attrs);
if (res == undefined) {
printf("Unable to fetch allowedAttributes for '%s' - %s\n",
dn, ldb.errstring());
return;
}
var allattrs = res[0].allowedAttributes;
res = ldb.search("objectClass=*", dn, ldb.SCOPE_BASE, allattrs);
if (res == undefined) {
printf("Unable to fetch all attributes for '%s' - %s\n",
dn, ldb.errstring());
return;
}
var a;
var msg = res[0];
for (a in msg) {
attributes[a] = a;
}
}
/*
walk a naming context, looking for all records
*/
function walk_naming_context(ldb, namingContext) {
var attrs = new Array("objectClass");
var res = ldb.search("objectClass=*", namingContext, ldb.SCOPE_DEFAULT, attrs);
if (res == undefined) {
printf("Unable to fetch objectClasses for '%s' - %s\n",
namingContext, ldb.errstring());
return;
}
var r;
for (r=0;r<res.length;r++) {
var msg = res[r].objectClass;
var c;
for (c=0;c<msg.length;c++) {
var objectClass = msg[c];
objectclasses[objectClass] = objectClass;
}
walk_dn(ldb, res[r].dn);
}
}
/*
get a list of naming contexts
*/
var attrs = new Array("namingContexts");
var res = ldb.search("", "", ldb.SCOPE_BASE, attrs);
var namingContexts = res[0].namingContexts;
/*
walk the naming contexts, gathering objectclass values and attribute names
*/
for (var c=0;c<namingContexts.length;c++) {
walk_naming_context(ldb, namingContexts[c]);
}
/*
dump list of objectclasses
*/
printf("objectClasses:\n")
for (i in objectclasses) {
printf("\t%s\n", i);
}
printf("attributes:\n")
for (i in attributes) {
printf("\t%s\n", i);
}
return 0;