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-rwxr-xr-xtestprogs/ejs/minschema.js525
1 files changed, 507 insertions, 18 deletions
diff --git a/testprogs/ejs/minschema.js b/testprogs/ejs/minschema.js
index 97697c021a..b2daea51c4 100755
--- a/testprogs/ejs/minschema.js
+++ b/testprogs/ejs/minschema.js
@@ -1,8 +1,7 @@
#!/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
+ work out the minimal schema for a set of objectclasses
*/
libinclude("base.js");
@@ -12,19 +11,21 @@ var ldb = ldb_init();
var options = GetOptions(ARGV,
"POPT_AUTOHELP",
"POPT_COMMON_SAMBA",
- "POPT_COMMON_CREDENTIALS");
+ "POPT_COMMON_CREDENTIALS",
+ "verbose");
if (options == undefined) {
println("Failed to parse options");
return -1;
}
+verbose = options["verbose"];
-if (options.ARGV.length != 1) {
- println("Usage: minschema.js <URL>");
+if (options.ARGV.length != 2) {
+ println("Usage: minschema.js <URL> <classfile>");
return -1;
}
var url = options.ARGV[0];
-
+var classfile = options.ARGV[1];
var ok = ldb.connect(url);
@@ -32,6 +33,249 @@ assert(ok);
objectclasses = new Object();
attributes = new Object();
+rootDse = new Object();
+
+
+/* the attributes we need for objectclasses */
+class_attrs = new Array("objectClass",
+ "auxiliaryClass", "systemAuxiliaryClass",
+ "possSuperiors", "systemPossSuperiors",
+ "lDAPDisplayName", "governsID",
+ "rDNAttID", "mustContain", "systemMustContain",
+ "mayContain", "systemMayContain",
+ "objectClassCategory", "subClassOf",
+ "defaultObjectCategory", "defaultHidingValue",
+ "systemFlags", "systemOnly", "defaultSecurityDescriptor",
+ "objectCategory");
+
+attrib_attrs = new Array("objectClass", "lDAPDisplayName",
+ "isSingleValued", "linkID", "systemFlags", "systemOnly",
+ "schemaIDGUID", "adminDisplayName", "attributeID",
+ "attributeSyntax");
+
+/*
+ notes:
+
+ objectClassCategory
+ 1: structural
+ 2: abstract
+ 3: auxiliary
+*/
+
+
+/*
+ print only if verbose is set
+*/
+function dprintf() {
+ if (verbose != undefined) {
+ print(vsprintf(arguments));
+ }
+}
+
+/*
+ create an objectclass object
+*/
+function obj_objectClass(name) {
+ var o = new Object();
+ o.name = name;
+ return o;
+}
+
+/*
+ create an attribute object
+*/
+function obj_attribute(name) {
+ var o = new Object();
+ o.name = name;
+ return o;
+}
+
+
+/*
+ fix a string DN to use ${BASEDN}
+*/
+function fix_dn(dn) {
+ var s = strstr(dn, rootDse.defaultNamingContext);
+ if (s == NULL) {
+ return dn;
+ }
+ return substr(dn, 0, strlen(dn) - strlen(s)) + "${BASEDN}";
+}
+
+/*
+ dump an object as ldif
+*/
+function write_ldif_one(o, attrs) {
+ var i;
+ printf("dn: CN=%s,CN=Schema,CN=Configuration,${BASEDN}\n", o.name);
+ printf("name: %s\n", o.name);
+ for (i=0;i<attrs.length;i++) {
+ var a = attrs[i];
+ if (o[a] == undefined) {
+ continue;
+ }
+ var v = o[a];
+ if (typeof(v) == "string") {
+ v = new Array(v);
+ }
+ var j;
+ for (j=0;j<v.length;j++) {
+ printf("%s: %s\n", a, fix_dn(v[j]));
+ }
+ }
+ printf("\n");
+}
+
+/*
+ dump an array of objects as ldif
+*/
+function write_ldif(o, attrs) {
+ var i;
+ for (i in o) {
+ write_ldif_one(o[i], attrs);
+ }
+}
+
+
+/*
+ create a testDN based an an example DN
+ the idea is to ensure we obey any structural rules
+*/
+function create_testdn(exampleDN) {
+ var a = split(",", exampleDN);
+ a[0] = "CN=TestDN";
+ return join(",", a);
+}
+
+/*
+ find the properties of an objectclass
+ */
+function find_objectclass_properties(ldb, o) {
+ var res = ldb.search(
+ sprintf("(ldapDisplayName=%s)", o.name),
+ rootDse.schemaNamingContext, ldb.SCOPE_SUBTREE, class_attrs);
+ assert(res != undefined);
+ assert(res.length == 1);
+ var msg = res[0];
+ var a;
+ for (a in msg) {
+ o[a] = msg[a];
+ }
+}
+
+/*
+ find the properties of an attribute
+ */
+function find_attribute_properties(ldb, o) {
+ var res = ldb.search(
+ sprintf("(ldapDisplayName=%s)", o.name),
+ rootDse.schemaNamingContext, ldb.SCOPE_SUBTREE, attrib_attrs);
+ assert(res != undefined);
+ assert(res.length == 1);
+ var msg = res[0];
+ var a;
+ for (a in msg) {
+ o[a] = msg[a];
+ }
+}
+
+/*
+ find the auto-created properties of an objectclass. Only works for classes
+ that can be created using just a DN and the objectclass
+ */
+function find_objectclass_auto(ldb, o) {
+ if (o["exampleDN"] == undefined) {
+ return;
+ }
+ var testdn = create_testdn(o.exampleDN);
+ var ok;
+
+ dprintf("testdn is '%s'\n", testdn);
+
+ var ldif = "dn: " + testdn;
+ ldif = ldif + "\nobjectClass: " + o.name;
+ ok = ldb.add(ldif);
+ if (!ok) {
+ dprintf("error adding %s: %s\n", o.name, ldb.errstring());
+ dprintf("%s\n", ldif);
+ return;
+ }
+
+ var res = ldb.search("", testdn, ldb.SCOPE_BASE);
+ ok = ldb.del(testdn);
+ assert(ok);
+
+ var a;
+ for (a in res[0]) {
+ attributes[a].autocreate = true;
+ }
+}
+
+
+/*
+ look at auxiliary information from a class to intuit the existance of more
+ classes needed for a minimal schema
+*/
+function expand_objectclass(ldb, o) {
+ var attrs = new Array("auxiliaryClass", "systemAuxiliaryClass",
+ "possSuperiors", "systemPossSuperiors",
+ "subClassOf");
+ var res = ldb.search(
+ sprintf("(&(objectClass=classSchema)(ldapDisplayName=%s))", o.name),
+ rootDse.schemaNamingContext, ldb.SCOPE_SUBTREE, attrs);
+ var a;
+ dprintf("Expanding class %s\n", o.name);
+ assert(res != undefined);
+ assert(res.length == 1);
+ var msg = res[0];
+ for (a=0;a<attrs.length;a++) {
+ var aname = attrs[a];
+ if (msg[aname] == undefined) {
+ continue;
+ }
+ var list = msg[aname];
+ if (typeof(list) == "string") {
+ list = new Array(msg[aname]);
+ }
+ var i;
+ for (i=0;i<list.length;i++) {
+ var name = list[i];
+ if (objectclasses[name] == undefined) {
+ dprintf("Found new objectclass '%s'\n", name);
+ objectclasses[name] = obj_objectClass(name);
+ }
+ }
+ }
+}
+
+
+/*
+ add the must and may attributes from an objectclass to the full list
+ of attributes
+*/
+function add_objectclass_attributes(ldb, class) {
+ var attrs = new Array("mustContain", "systemMustContain",
+ "mayContain", "systemMayContain");
+ var i;
+ for (i=0;i<attrs.length;i++) {
+ var aname = attrs[i];
+ if (class[aname] == undefined) {
+ continue;
+ }
+ var alist = class[aname];
+ if (typeof(alist) == "string") {
+ alist = new Array(alist);
+ }
+ var j;
+ var len = alist.length;
+ for (j=0;j<len;j++) {
+ var a = alist[j];
+ if (attributes[a] == undefined) {
+ attributes[a] = obj_attribute(a);
+ }
+ }
+ }
+}
/*
@@ -42,21 +286,23 @@ function walk_dn(ldb, dn) {
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",
+ dprintf("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",
+ dprintf("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;
+ if (attributes[a] == undefined) {
+ attributes[a] = obj_attribute(a);
+ }
}
}
@@ -67,7 +313,7 @@ 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",
+ dprintf("Unable to fetch objectClasses for '%s' - %s\n",
namingContext, ldb.errstring());
return;
}
@@ -77,24 +323,260 @@ function walk_naming_context(ldb, namingContext) {
var c;
for (c=0;c<msg.length;c++) {
var objectClass = msg[c];
- objectclasses[objectClass] = objectClass;
+ if (objectclasses[objectClass] == undefined) {
+ objectclasses[objectClass] = obj_objectClass(objectClass);
+ objectclasses[objectClass].exampleDN = res[r].dn;
+ }
}
walk_dn(ldb, res[r].dn);
}
}
/*
- get a list of naming contexts
+ trim the may attributes for an objectClass
+*/
+function trim_objectclass_attributes(ldb, class) {
+ /* not implemented yet */
+}
+
+/*
+ load the basic attributes of an objectClass
+*/
+function build_objectclass(ldb, name) {
+ var attrs = new Array("name");
+ var res = ldb.search(
+ sprintf("(&(objectClass=classSchema)(ldapDisplayName=%s))", name),
+ rootDse.schemaNamingContext, ldb.SCOPE_SUBTREE, attrs);
+ if (res == undefined) {
+ dprintf("unknown class '%s'\n", name);
+ return undefined;
+ }
+ if (res.length == 0) {
+ dprintf("unknown class '%s'\n", name);
+ return undefined;
+ }
+ return obj_objectClass(name);
+}
+
+/*
+ append 2 lists
+*/
+function list_append(a1, a2) {
+ var i;
+ if (a1 == undefined) {
+ return a2;
+ }
+ if (a2 == undefined) {
+ return a1;
+ }
+ for (i=0;i<a2.length;i++) {
+ a1[a1.length] = a2[i];
+ }
+ return a1;
+}
+
+/*
+ form a coalesced attribute list
+*/
+function attribute_list(class, attr1, attr2) {
+ var a1 = class[attr1];
+ var a2 = class[attr2];
+ var i;
+ if (typeof(a1) == "string") {
+ a1 = new Array(a1);
+ }
+ if (typeof(a2) == "string") {
+ a2 = new Array(a2);
+ }
+ return list_append(a1, a2);
+}
+
+/*
+ write out a list in aggregate form
+*/
+function aggregate_list(name, list) {
+ if (list == undefined) {
+ return;
+ }
+ var i;
+ printf("%s ( ", name);
+ for (i=0;i<list.length;i++) {
+ printf("%s ", list[i]);
+ if (i < (list.length - 1)) {
+ printf("$ ");
+ }
+ }
+ printf(") ");
+}
+
+/*
+ write the aggregate record for an objectclass
*/
-var attrs = new Array("namingContexts");
-var res = ldb.search("", "", ldb.SCOPE_BASE, attrs);
-var namingContexts = res[0].namingContexts;
+function write_aggregate_objectclass(class) {
+ printf("objectClasses: ( %s NAME '%s' ", class.governsID, class.name);
+ if (class['subClassOf'] != undefined) {
+ printf("SUP %s ", class['subClassOf']);
+ }
+ if (class.objectClassCategory == 1) {
+ printf("STRUCTURAL ");
+ } else if (class.objectClassCategory == 2) {
+ printf("ABSTRACT ");
+ } else if (class.objectClassCategory == 3) {
+ printf("AUXILIARY ");
+ }
+
+ var list;
+
+ list = attribute_list(class, "systemMustContain", "mustContain");
+ aggregate_list("MUST", list);
+
+ list = attribute_list(class, "systemMayContain", "mayContain");
+ aggregate_list("MAY", list);
+
+ printf(")\n");
+}
+
/*
- walk the naming contexts, gathering objectclass values and attribute names
+ write the aggregate record for an ditcontentrule
*/
-for (var c=0;c<namingContexts.length;c++) {
- walk_naming_context(ldb, namingContexts[c]);
+function write_aggregate_ditcontentrule(class) {
+ var list = attribute_list(class, "auxiliaryClass", "systemAuxiliaryClass");
+ var i;
+ if (list == undefined) {
+ return;
+ }
+
+ printf("dITContentRules: ( %s NAME '%s' ", class.governsID, class.name);
+
+ aggregate_list("AUX", list);
+
+ var may_list = undefined;
+ var must_list = undefined;
+
+ for (i=0;i<list.length;i++) {
+ var c = list[i];
+ var list2;
+ list2 = attribute_list(objectclasses[c],
+ "mayContain", "systemMayContain");
+ may_list = list_append(may_list, list2);
+ list2 = attribute_list(objectclasses[c],
+ "mustContain", "systemMustContain");
+ must_list = list_append(must_list, list2);
+ }
+
+ aggregate_list("MUST", must_list);
+ aggregate_list("MAY", may_list);
+
+ printf(")\n");
+}
+
+/*
+ write the aggregate record for an attribute
+*/
+function write_aggregate_attribute(attrib) {
+ printf("attributeTypes: ( %s NAME '%s' SYNTAX '%s' ",
+ attrib.attributeID, attrib.name, attrib.attributeSyntax);
+ if (attrib['isSingleValued'] == "TRUE") {
+ printf("SINGLE-VALUE ");
+ }
+ printf(")\n");
+}
+
+
+/*
+ write the aggregate record
+*/
+function write_aggregate() {
+ printf("dn: CN=Aggregate,CN=Schema,CN=Configuration,${BASEDN}\n");
+ print("objectClass: top
+objectClass: subSchema
+cn: Aggregate
+distinguishedName: CN=Aggregate,CN=Schema,CN=Configuration,${BASEDN}
+instanceType: 4
+name: Aggregate
+objectCategory: CN=SubSchema,CN=Schema,CN=Configuration,${BASEDN}
+");
+ for (i in objectclasses) {
+ write_aggregate_objectclass(objectclasses[i]);
+ }
+ for (i in attributes) {
+ write_aggregate_attribute(attributes[i]);
+ }
+ for (i in objectclasses) {
+ write_aggregate_ditcontentrule(objectclasses[i]);
+ }
+}
+
+/*
+ load a list from a file
+*/
+function load_list(file) {
+ var sys = sys_init();
+ var s = sys.file_load(file);
+ var a = split("\n", s);
+ return a;
+}
+
+/* get the rootDSE */
+var res = ldb.search("", "", ldb.SCOPE_BASE);
+rootDse = res[0];
+
+/* load the list of classes we are interested in */
+var classes = load_list(classfile);
+var i;
+for (i=0;i<classes.length;i++) {
+ var classname = classes[i];
+ var class = build_objectclass(ldb, classname);
+ if (class != undefined) {
+ objectclasses[classname] = class;
+ }
+}
+
+
+/*
+ expand the objectclass list as needed
+*/
+for (i in objectclasses) {
+ expand_objectclass(ldb, objectclasses[i]);
+}
+
+/*
+ find objectclass properties
+*/
+for (i in objectclasses) {
+ find_objectclass_properties(ldb, objectclasses[i]);
+}
+
+/*
+ trim the 'may' attribute lists to those really needed
+*/
+for (i in objectclasses) {
+ trim_objectclass_attributes(ldb, objectclasses[i]);
+}
+
+/*
+ form the full list of attributes
+*/
+for (i in objectclasses) {
+ add_objectclass_attributes(ldb, objectclasses[i]);
+}
+
+/* and attribute properties */
+for (i in attributes) {
+ find_attribute_properties(ldb, attributes[i]);
+}
+
+/*
+ dump an ldif form of the attributes and objectclasses
+*/
+write_ldif(attributes, attrib_attrs);
+write_ldif(objectclasses, class_attrs);
+
+write_aggregate();
+
+if (verbose == undefined) {
+ exit(0);
}
/*
@@ -109,4 +591,11 @@ for (i in attributes) {
printf("\t%s\n", i);
}
+printf("autocreated attributes:\n");
+for (i in attributes) {
+ if (attributes[i].autocreate == true) {
+ printf("\t%s\n", i);
+ }
+}
+
return 0;