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 const char *objectclass_name_as_list[] = {
60 objectclass->lDAPDisplayName,
67 DEBUG(0, ("Failed to create new talloc context\n"));
71 /* We have been asked to skip some attributes/objectClasses */
72 if (attrs_skip && str_list_check_ci(attrs_skip, name)) {
76 /* We might have been asked to remap this oid, due to a conflict */
77 for (j=0; oid_map && oid_map[j].old_oid; j++) {
78 if (strcasecmp(oid, oid_map[j].old_oid) == 0) {
79 oid = oid_map[j].new_oid;
84 /* We might have been asked to remap this name, due to a conflict */
85 for (j=0; name && attr_map && attr_map[j].old_attr; j++) {
86 if (strcasecmp(name, attr_map[j].old_attr) == 0) {
87 name = attr_map[j].new_attr;
92 may = dsdb_full_attribute_list(mem_ctx, schema, objectclass_name_as_list, DSDB_SCHEMA_ALL_MAY);
94 for (j=0; may && may[j]; j++) {
95 /* We might have been asked to remap this name, due to a conflict */
96 for (attr_idx=0; attr_map && attr_map[attr_idx].old_attr; attr_idx++) {
97 if (strcasecmp(may[j], attr_map[attr_idx].old_attr) == 0) {
98 may[j] = attr_map[attr_idx].new_attr;
104 must = dsdb_full_attribute_list(mem_ctx, schema, objectclass_name_as_list, DSDB_SCHEMA_ALL_MUST);
106 for (j=0; must && must[j]; j++) {
107 /* We might have been asked to remap this name, due to a conflict */
108 for (attr_idx=0; attr_map && attr_map[attr_idx].old_attr; attr_idx++) {
109 if (strcasecmp(must[j], attr_map[attr_idx].old_attr) == 0) {
110 must[j] = attr_map[attr_idx].new_attr;
116 schema_entry = schema_class_description(mem_ctx, target,
126 if (schema_entry == NULL) {
127 DEBUG(0, ("failed to generate schema description for %s\n", name));
132 case TARGET_OPENLDAP:
133 out = talloc_asprintf_append(out, "objectclass %s\n\n", schema_entry);
135 case TARGET_FEDORA_DS:
136 out = talloc_asprintf_append(out, "objectClasses: %s\n", schema_entry);
139 talloc_free(mem_ctx);
143 for (objectclass=schema->classes; objectclass; objectclass = objectclass->next) {
144 if (ldb_attr_cmp(objectclass->subClassOf, print_class) == 0
145 && ldb_attr_cmp(objectclass->lDAPDisplayName, print_class) != 0) {
146 out = print_schema_recursive(out, schema, objectclass->lDAPDisplayName,
147 target, attrs_skip, attr_map, oid_map);
153 /* Routine to linearise our internal schema into the format that
154 OpenLDAP and Fedora DS use for their backend.
156 The 'mappings' are of a format like:
158 #Standard OpenLDAP attributes
160 #The memberOf plugin provides this attribute
162 #These conflict with OpenLDAP builtins
163 attributeTypes:samba4AttributeTypes
164 2.5.21.5:1.3.6.1.4.1.7165.4.255.7
169 char *dsdb_convert_schema_to_openldap(struct ldb_context *ldb, char *target_str, const char *mappings)
171 /* Read list of attributes to skip, OIDs to map */
172 TALLOC_CTX *mem_ctx = talloc_new(ldb);
175 const char **attrs_skip = NULL;
177 struct oid_map *oid_map = NULL;
178 int num_oid_maps = 0;
179 struct attr_map *attr_map = NULL;
180 int num_attr_maps = 0;
181 struct dsdb_attribute *attribute;
182 struct dsdb_schema *schema;
183 enum dsdb_schema_convert_target target;
185 char *next_line = talloc_strdup(mem_ctx, mappings);
187 if (!target_str || strcasecmp(target_str, "openldap") == 0) {
188 target = TARGET_OPENLDAP;
189 } else if (strcasecmp(target_str, "fedora-ds") == 0) {
190 target = TARGET_FEDORA_DS;
192 DEBUG(0, ("Invalid target type for schema conversion %s\n", target_str));
196 /* The mappings are line-seperated, and specify details such as OIDs to skip etc */
199 next_line = strchr(line, '\n');
207 if (line[0] == '\0') {
211 if (line[0] == '#') {
215 if (isdigit(line[0])) {
216 char *p = strchr(line, ':');
218 DEBUG(0, ("schema mapping file line has OID but no OID to map to: %s\n", line));
223 oid_map = talloc_realloc(mem_ctx, oid_map, struct oid_map, num_oid_maps + 2);
224 trim_string(line, " ", " ");
225 oid_map[num_oid_maps].old_oid = talloc_strdup(oid_map, line);
226 trim_string(p, " ", " ");
227 oid_map[num_oid_maps].new_oid = p;
229 oid_map[num_oid_maps].old_oid = NULL;
231 char *p = strchr(line, ':');
233 /* remap attribute/objectClass */
236 attr_map = talloc_realloc(mem_ctx, attr_map, struct attr_map, num_attr_maps + 2);
237 trim_string(line, " ", " ");
238 attr_map[num_attr_maps].old_attr = talloc_strdup(attr_map, line);
239 trim_string(p, " ", " ");
240 attr_map[num_attr_maps].new_attr = p;
242 attr_map[num_attr_maps].old_attr = NULL;
244 /* skip attribute/objectClass */
245 attrs_skip = talloc_realloc(mem_ctx, attrs_skip, const char *, num_skip + 2);
246 trim_string(line, " ", " ");
247 attrs_skip[num_skip] = talloc_strdup(attrs_skip, line);
249 attrs_skip[num_skip] = NULL;
254 schema = dsdb_get_schema(ldb);
256 DEBUG(0, ("No schema on ldb to convert!\n"));
261 case TARGET_OPENLDAP:
262 out = talloc_strdup(mem_ctx, "");
264 case TARGET_FEDORA_DS:
265 out = talloc_strdup(mem_ctx, "dn: cn=schema\n");
269 for (attribute=schema->attributes; attribute; attribute = attribute->next) {
270 const char *name = attribute->lDAPDisplayName;
271 const char *oid = attribute->attributeID_oid;
272 const char *syntax = attribute->attributeSyntax_oid;
273 const char *equality = NULL, *substring = NULL;
274 bool single_value = attribute->isSingleValued;
276 char *schema_entry = NULL;
279 /* We have been asked to skip some attributes/objectClasses */
280 if (attrs_skip && str_list_check_ci(attrs_skip, name)) {
284 /* We might have been asked to remap this oid, due to a conflict */
285 for (j=0; oid && oid_map && oid_map[j].old_oid; j++) {
286 if (strcasecmp(oid, oid_map[j].old_oid) == 0) {
287 oid = oid_map[j].new_oid;
292 if (attribute->syntax) {
293 /* We might have been asked to remap this oid,
294 * due to a conflict, or lack of
296 syntax = attribute->syntax->ldap_oid;
297 /* We might have been asked to remap this oid, due to a conflict */
298 for (j=0; syntax && oid_map && oid_map[j].old_oid; j++) {
299 if (strcasecmp(syntax, oid_map[j].old_oid) == 0) {
300 syntax = oid_map[j].new_oid;
305 equality = attribute->syntax->equality;
306 substring = attribute->syntax->substring;
309 /* We might have been asked to remap this name, due to a conflict */
310 for (j=0; name && attr_map && attr_map[j].old_attr; j++) {
311 if (strcasecmp(name, attr_map[j].old_attr) == 0) {
312 name = attr_map[j].new_attr;
317 schema_entry = schema_attribute_description(mem_ctx,
331 if (schema_entry == NULL) {
332 DEBUG(0, ("failed to generate attribute description for %s\n", name));
337 case TARGET_OPENLDAP:
338 out = talloc_asprintf_append(out, "attributetype %s\n\n", schema_entry);
340 case TARGET_FEDORA_DS:
341 out = talloc_asprintf_append(out, "attributeTypes: %s\n", schema_entry);
346 out = print_schema_recursive(out, schema, "top", target, attrs_skip, attr_map, oid_map);