2 schema conversion routines
4 Copyright (C) Andrew Bartlett 2006-2008
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "dsdb/samdb/samdb.h"
24 #include "system/locale.h"
26 #define SEPERATOR "\n "
38 static char *print_schema_recursive(char *append_to_string, struct dsdb_schema *schema, const char *print_class,
39 enum dsdb_schema_convert_target target,
40 const char **attrs_skip, const struct attr_map *attr_map, const struct oid_map *oid_map)
42 char *out = append_to_string;
43 const struct dsdb_class *objectclass;
44 objectclass = dsdb_class_by_lDAPDisplayName(schema, print_class);
46 DEBUG(0, ("Cannot find class %s in schema\n", print_class));
51 TALLOC_CTX *mem_ctx = talloc_new(append_to_string);
52 const char *name = objectclass->lDAPDisplayName;
53 const char *oid = objectclass->governsID_oid;
54 const char *subClassOf = objectclass->subClassOf;
55 int objectClassCategory = objectclass->objectClassCategory;
58 char *schema_entry = NULL;
59 struct ldb_val objectclass_name_as_ldb_val = data_blob_string_const(objectclass->lDAPDisplayName);
60 struct ldb_message_element objectclass_name_as_el = {
61 .name = "objectClass",
63 .values = &objectclass_name_as_ldb_val
69 DEBUG(0, ("Failed to create new talloc context\n"));
73 /* We have been asked to skip some attributes/objectClasses */
74 if (attrs_skip && str_list_check_ci(attrs_skip, name)) {
78 /* We might have been asked to remap this oid, due to a conflict */
79 for (j=0; oid_map && oid_map[j].old_oid; j++) {
80 if (strcasecmp(oid, oid_map[j].old_oid) == 0) {
81 oid = oid_map[j].new_oid;
86 /* We might have been asked to remap this name, due to a conflict */
87 for (j=0; name && attr_map && attr_map[j].old_attr; j++) {
88 if (strcasecmp(name, attr_map[j].old_attr) == 0) {
89 name = attr_map[j].new_attr;
94 may = dsdb_full_attribute_list(mem_ctx, schema, &objectclass_name_as_el, DSDB_SCHEMA_ALL_MAY);
96 for (j=0; may && may[j]; j++) {
97 /* We might have been asked to remap this name, due to a conflict */
98 for (attr_idx=0; attr_map && attr_map[attr_idx].old_attr; attr_idx++) {
99 if (strcasecmp(may[j], attr_map[attr_idx].old_attr) == 0) {
100 may[j] = attr_map[attr_idx].new_attr;
106 must = dsdb_full_attribute_list(mem_ctx, schema, &objectclass_name_as_el, DSDB_SCHEMA_ALL_MUST);
108 for (j=0; must && must[j]; j++) {
109 /* We might have been asked to remap this name, due to a conflict */
110 for (attr_idx=0; attr_map && attr_map[attr_idx].old_attr; attr_idx++) {
111 if (strcasecmp(must[j], attr_map[attr_idx].old_attr) == 0) {
112 must[j] = attr_map[attr_idx].new_attr;
118 schema_entry = schema_class_description(mem_ctx, target,
128 if (schema_entry == NULL) {
129 DEBUG(0, ("failed to generate schema description for %s\n", name));
134 case TARGET_OPENLDAP:
135 out = talloc_asprintf_append(out, "objectclass %s\n\n", schema_entry);
137 case TARGET_FEDORA_DS:
138 out = talloc_asprintf_append(out, "objectClasses: %s\n", schema_entry);
141 talloc_free(mem_ctx);
145 for (objectclass=schema->classes; objectclass; objectclass = objectclass->next) {
146 if (ldb_attr_cmp(objectclass->subClassOf, print_class) == 0
147 && ldb_attr_cmp(objectclass->lDAPDisplayName, print_class) != 0) {
148 out = print_schema_recursive(out, schema, objectclass->lDAPDisplayName,
149 target, attrs_skip, attr_map, oid_map);
155 /* Routine to linearise our internal schema into the format that
156 OpenLDAP and Fedora DS use for their backend.
158 The 'mappings' are of a format like:
160 #Standard OpenLDAP attributes
162 #The memberOf plugin provides this attribute
164 #These conflict with OpenLDAP builtins
165 attributeTypes:samba4AttributeTypes
166 2.5.21.5:1.3.6.1.4.1.7165.4.255.7
171 char *dsdb_convert_schema_to_openldap(struct ldb_context *ldb, char *target_str, const char *mappings)
173 /* Read list of attributes to skip, OIDs to map */
174 TALLOC_CTX *mem_ctx = talloc_new(ldb);
177 const char **attrs_skip = NULL;
179 struct oid_map *oid_map = NULL;
180 int num_oid_maps = 0;
181 struct attr_map *attr_map = NULL;
182 int num_attr_maps = 0;
183 struct dsdb_attribute *attribute;
184 struct dsdb_schema *schema;
185 enum dsdb_schema_convert_target target;
187 char *next_line = talloc_strdup(mem_ctx, mappings);
189 if (!target_str || strcasecmp(target_str, "openldap") == 0) {
190 target = TARGET_OPENLDAP;
191 } else if (strcasecmp(target_str, "fedora-ds") == 0) {
192 target = TARGET_FEDORA_DS;
194 DEBUG(0, ("Invalid target type for schema conversion %s\n", target_str));
198 /* The mappings are line-seperated, and specify details such as OIDs to skip etc */
201 next_line = strchr(line, '\n');
209 if (line[0] == '\0') {
213 if (line[0] == '#') {
217 if (isdigit(line[0])) {
218 char *p = strchr(line, ':');
220 DEBUG(0, ("schema mapping file line has OID but no OID to map to: %s\n", line));
225 oid_map = talloc_realloc(mem_ctx, oid_map, struct oid_map, num_oid_maps + 2);
226 trim_string(line, " ", " ");
227 oid_map[num_oid_maps].old_oid = talloc_strdup(oid_map, line);
228 trim_string(p, " ", " ");
229 oid_map[num_oid_maps].new_oid = p;
231 oid_map[num_oid_maps].old_oid = NULL;
233 char *p = strchr(line, ':');
235 /* remap attribute/objectClass */
238 attr_map = talloc_realloc(mem_ctx, attr_map, struct attr_map, num_attr_maps + 2);
239 trim_string(line, " ", " ");
240 attr_map[num_attr_maps].old_attr = talloc_strdup(attr_map, line);
241 trim_string(p, " ", " ");
242 attr_map[num_attr_maps].new_attr = p;
244 attr_map[num_attr_maps].old_attr = NULL;
246 /* skip attribute/objectClass */
247 attrs_skip = talloc_realloc(mem_ctx, attrs_skip, const char *, num_skip + 2);
248 trim_string(line, " ", " ");
249 attrs_skip[num_skip] = talloc_strdup(attrs_skip, line);
251 attrs_skip[num_skip] = NULL;
256 schema = dsdb_get_schema(ldb);
258 DEBUG(0, ("No schema on ldb to convert!\n"));
263 case TARGET_OPENLDAP:
264 out = talloc_strdup(mem_ctx, "");
266 case TARGET_FEDORA_DS:
267 out = talloc_strdup(mem_ctx, "dn: cn=schema\n");
271 for (attribute=schema->attributes; attribute; attribute = attribute->next) {
272 const char *name = attribute->lDAPDisplayName;
273 const char *oid = attribute->attributeID_oid;
274 const char *syntax = attribute->attributeSyntax_oid;
275 const char *equality = NULL, *substring = NULL;
276 bool single_value = attribute->isSingleValued;
278 char *schema_entry = NULL;
281 /* We have been asked to skip some attributes/objectClasses */
282 if (attrs_skip && str_list_check_ci(attrs_skip, name)) {
286 /* We might have been asked to remap this oid, due to a conflict */
287 for (j=0; oid && oid_map && oid_map[j].old_oid; j++) {
288 if (strcasecmp(oid, oid_map[j].old_oid) == 0) {
289 oid = oid_map[j].new_oid;
294 if (attribute->syntax) {
295 /* We might have been asked to remap this oid,
296 * due to a conflict, or lack of
298 syntax = attribute->syntax->ldap_oid;
299 /* We might have been asked to remap this oid, due to a conflict */
300 for (j=0; syntax && oid_map && oid_map[j].old_oid; j++) {
301 if (strcasecmp(syntax, oid_map[j].old_oid) == 0) {
302 syntax = oid_map[j].new_oid;
307 equality = attribute->syntax->equality;
308 substring = attribute->syntax->substring;
311 /* We might have been asked to remap this name, due to a conflict */
312 for (j=0; name && attr_map && attr_map[j].old_attr; j++) {
313 if (strcasecmp(name, attr_map[j].old_attr) == 0) {
314 name = attr_map[j].new_attr;
319 schema_entry = schema_attribute_description(mem_ctx,
333 if (schema_entry == NULL) {
334 DEBUG(0, ("failed to generate attribute description for %s\n", name));
339 case TARGET_OPENLDAP:
340 out = talloc_asprintf_append(out, "attributetype %s\n\n", schema_entry);
342 case TARGET_FEDORA_DS:
343 out = talloc_asprintf_append(out, "attributeTypes: %s\n", schema_entry);
348 out = print_schema_recursive(out, schema, "top", target, attrs_skip, attr_map, oid_map);