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
);