/*
ldb database library - ldif handlers for Samba
Copyright (C) Andrew Tridgell 2005
Copyright (C) Andrew Bartlett 2006-2007
Copyright (C) Matthias Dieter Wallnöfer 2009
** NOTE! The following LGPL license applies to the ldb
** library. This does NOT imply that all of Samba is released
** under the LGPL
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see .
*/
#include "includes.h"
#include "lib/ldb/include/ldb.h"
#include "lib/ldb/include/ldb_module.h"
#include "ldb_handlers.h"
#include "dsdb/samdb/samdb.h"
#include "librpc/gen_ndr/ndr_security.h"
#include "librpc/gen_ndr/ndr_misc.h"
#include "librpc/gen_ndr/ndr_drsblobs.h"
#include "librpc/ndr/libndr.h"
#include "libcli/security/security.h"
#include "param/param.h"
/*
convert a ldif formatted objectSid to a NDR formatted blob
*/
static int ldif_read_objectSid(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
enum ndr_err_code ndr_err;
struct dom_sid *sid;
sid = dom_sid_parse_length(mem_ctx, in);
if (sid == NULL) {
return -1;
}
ndr_err = ndr_push_struct_blob(out, mem_ctx, NULL, sid,
(ndr_push_flags_fn_t)ndr_push_dom_sid);
talloc_free(sid);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
return -1;
}
return 0;
}
/*
convert a NDR formatted blob to a ldif formatted objectSid
*/
static int ldif_write_objectSid(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
struct dom_sid *sid;
enum ndr_err_code ndr_err;
sid = talloc(mem_ctx, struct dom_sid);
if (sid == NULL) {
return -1;
}
ndr_err = ndr_pull_struct_blob_all(in, sid, NULL, sid,
(ndr_pull_flags_fn_t)ndr_pull_dom_sid);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
talloc_free(sid);
return -1;
}
*out = data_blob_string_const(dom_sid_string(mem_ctx, sid));
talloc_free(sid);
if (out->data == NULL) {
return -1;
}
return 0;
}
static bool ldif_comparision_objectSid_isString(const struct ldb_val *v)
{
if (v->length < 3) {
return false;
}
if (strncmp("S-", (const char *)v->data, 2) != 0) return false;
return true;
}
/*
compare two objectSids
*/
static int ldif_comparison_objectSid(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *v1, const struct ldb_val *v2)
{
if (ldif_comparision_objectSid_isString(v1) && ldif_comparision_objectSid_isString(v2)) {
return ldb_comparison_binary(ldb, mem_ctx, v1, v2);
} else if (ldif_comparision_objectSid_isString(v1)
&& !ldif_comparision_objectSid_isString(v2)) {
struct ldb_val v;
int ret;
if (ldif_read_objectSid(ldb, mem_ctx, v1, &v) != 0) {
/* Perhaps not a string after all */
return ldb_comparison_binary(ldb, mem_ctx, v1, v2);
}
ret = ldb_comparison_binary(ldb, mem_ctx, &v, v2);
talloc_free(v.data);
return ret;
} else if (!ldif_comparision_objectSid_isString(v1)
&& ldif_comparision_objectSid_isString(v2)) {
struct ldb_val v;
int ret;
if (ldif_read_objectSid(ldb, mem_ctx, v2, &v) != 0) {
/* Perhaps not a string after all */
return ldb_comparison_binary(ldb, mem_ctx, v1, v2);
}
ret = ldb_comparison_binary(ldb, mem_ctx, v1, &v);
talloc_free(v.data);
return ret;
}
return ldb_comparison_binary(ldb, mem_ctx, v1, v2);
}
/*
canonicalise a objectSid
*/
static int ldif_canonicalise_objectSid(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
if (ldif_comparision_objectSid_isString(in)) {
if (ldif_read_objectSid(ldb, mem_ctx, in, out) != 0) {
/* Perhaps not a string after all */
return ldb_handler_copy(ldb, mem_ctx, in, out);
}
return 0;
}
return ldb_handler_copy(ldb, mem_ctx, in, out);
}
static int extended_dn_read_SID(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
struct dom_sid sid;
enum ndr_err_code ndr_err;
if (ldif_comparision_objectSid_isString(in)) {
if (ldif_read_objectSid(ldb, mem_ctx, in, out) == 0) {
return 0;
}
}
/* Perhaps not a string after all */
*out = data_blob_talloc(mem_ctx, NULL, in->length/2+1);
if (!out->data) {
return -1;
}
(*out).length = strhex_to_str((char *)out->data, out->length,
(const char *)in->data, in->length);
/* Check it looks like a SID */
ndr_err = ndr_pull_struct_blob_all(out, mem_ctx, NULL, &sid,
(ndr_pull_flags_fn_t)ndr_pull_dom_sid);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
return -1;
}
return 0;
}
/*
convert a ldif formatted objectGUID to a NDR formatted blob
*/
static int ldif_read_objectGUID(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
struct GUID guid;
NTSTATUS status;
enum ndr_err_code ndr_err;
status = GUID_from_data_blob(in, &guid);
if (!NT_STATUS_IS_OK(status)) {
return -1;
}
ndr_err = ndr_push_struct_blob(out, mem_ctx, NULL, &guid,
(ndr_push_flags_fn_t)ndr_push_GUID);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
return -1;
}
return 0;
}
/*
convert a NDR formatted blob to a ldif formatted objectGUID
*/
static int ldif_write_objectGUID(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
struct GUID guid;
enum ndr_err_code ndr_err;
ndr_err = ndr_pull_struct_blob_all(in, mem_ctx, NULL, &guid,
(ndr_pull_flags_fn_t)ndr_pull_GUID);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
return -1;
}
out->data = (uint8_t *)GUID_string(mem_ctx, &guid);
if (out->data == NULL) {
return -1;
}
out->length = strlen((const char *)out->data);
return 0;
}
static bool ldif_comparision_objectGUID_isString(const struct ldb_val *v)
{
if (v->length != 36 && v->length != 38) return false;
/* Might be a GUID string, can't be a binary GUID (fixed 16 bytes) */
return true;
}
static int extended_dn_read_GUID(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
struct GUID guid;
enum ndr_err_code ndr_err;
if (in->length == 36 && ldif_read_objectGUID(ldb, mem_ctx, in, out) == 0) {
return 0;
}
/* Try as 'hex' form */
if (in->length != 32) {
return -1;
}
*out = data_blob_talloc(mem_ctx, NULL, in->length/2+1);
if (!out->data) {
return -1;
}
(*out).length = strhex_to_str((char *)out->data, out->length,
(const char *)in->data, in->length);
/* Check it looks like a GUID */
ndr_err = ndr_pull_struct_blob_all(out, mem_ctx, NULL, &guid,
(ndr_pull_flags_fn_t)ndr_pull_GUID);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
return -1;
}
return 0;
}
/*
compare two objectGUIDs
*/
static int ldif_comparison_objectGUID(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *v1, const struct ldb_val *v2)
{
if (ldif_comparision_objectGUID_isString(v1) && ldif_comparision_objectGUID_isString(v2)) {
return ldb_comparison_binary(ldb, mem_ctx, v1, v2);
} else if (ldif_comparision_objectGUID_isString(v1)
&& !ldif_comparision_objectGUID_isString(v2)) {
struct ldb_val v;
int ret;
if (ldif_read_objectGUID(ldb, mem_ctx, v1, &v) != 0) {
/* Perhaps it wasn't a valid string after all */
return ldb_comparison_binary(ldb, mem_ctx, v1, v2);
}
ret = ldb_comparison_binary(ldb, mem_ctx, &v, v2);
talloc_free(v.data);
return ret;
} else if (!ldif_comparision_objectGUID_isString(v1)
&& ldif_comparision_objectGUID_isString(v2)) {
struct ldb_val v;
int ret;
if (ldif_read_objectGUID(ldb, mem_ctx, v2, &v) != 0) {
/* Perhaps it wasn't a valid string after all */
return ldb_comparison_binary(ldb, mem_ctx, v1, v2);
}
ret = ldb_comparison_binary(ldb, mem_ctx, v1, &v);
talloc_free(v.data);
return ret;
}
return ldb_comparison_binary(ldb, mem_ctx, v1, v2);
}
/*
canonicalise a objectGUID
*/
static int ldif_canonicalise_objectGUID(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
if (ldif_comparision_objectGUID_isString(in)) {
if (ldif_read_objectGUID(ldb, mem_ctx, in, out) != 0) {
/* Perhaps it wasn't a valid string after all */
return ldb_handler_copy(ldb, mem_ctx, in, out);
}
return 0;
}
return ldb_handler_copy(ldb, mem_ctx, in, out);
}
/*
convert a ldif (SDDL) formatted ntSecurityDescriptor to a NDR formatted blob
*/
static int ldif_read_ntSecurityDescriptor(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
struct security_descriptor *sd;
enum ndr_err_code ndr_err;
sd = talloc(mem_ctx, struct security_descriptor);
if (sd == NULL) {
return -1;
}
ndr_err = ndr_pull_struct_blob(in, sd, NULL, sd,
(ndr_pull_flags_fn_t)ndr_pull_security_descriptor);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
/* If this does not parse, then it is probably SDDL, and we should try it that way */
const struct dom_sid *sid = samdb_domain_sid(ldb);
talloc_free(sd);
sd = sddl_decode(mem_ctx, (const char *)in->data, sid);
if (sd == NULL) {
return -1;
}
}
ndr_err = ndr_push_struct_blob(out, mem_ctx, NULL, sd,
(ndr_push_flags_fn_t)ndr_push_security_descriptor);
talloc_free(sd);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
return -1;
}
return 0;
}
/*
convert a NDR formatted blob to a ldif formatted ntSecurityDescriptor (SDDL format)
*/
static int ldif_write_ntSecurityDescriptor(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
struct security_descriptor *sd;
enum ndr_err_code ndr_err;
sd = talloc(mem_ctx, struct security_descriptor);
if (sd == NULL) {
return -1;
}
/* We can't use ndr_pull_struct_blob_all because this contains relative pointers */
ndr_err = ndr_pull_struct_blob(in, sd, NULL, sd,
(ndr_pull_flags_fn_t)ndr_pull_security_descriptor);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
talloc_free(sd);
return -1;
}
out->data = (uint8_t *)sddl_encode(mem_ctx, sd, NULL);
talloc_free(sd);
if (out->data == NULL) {
return -1;
}
out->length = strlen((const char *)out->data);
return 0;
}
/*
canonicalise an objectCategory. We use the short form as the cannoical form:
cn=Person,cn=Schema,cn=Configuration, becomes 'person'
*/
static int ldif_canonicalise_objectCategory(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
struct ldb_dn *dn1 = NULL;
const struct dsdb_schema *schema = dsdb_get_schema(ldb);
const struct dsdb_class *sclass;
TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
if (!tmp_ctx) {
return LDB_ERR_OPERATIONS_ERROR;
}
if (!schema) {
*out = data_blob_talloc(mem_ctx, in->data, in->length);
if (in->data && !out->data) {
return LDB_ERR_OPERATIONS_ERROR;
}
return LDB_SUCCESS;
}
dn1 = ldb_dn_from_ldb_val(tmp_ctx, ldb, in);
if ( ! ldb_dn_validate(dn1)) {
const char *lDAPDisplayName = talloc_strndup(tmp_ctx, (char *)in->data, in->length);
sclass = dsdb_class_by_lDAPDisplayName(schema, lDAPDisplayName);
if (sclass) {
struct ldb_dn *dn = ldb_dn_new(mem_ctx, ldb,
sclass->defaultObjectCategory);
*out = data_blob_string_const(ldb_dn_alloc_casefold(mem_ctx, dn));
talloc_free(tmp_ctx);
if (!out->data) {
return LDB_ERR_OPERATIONS_ERROR;
}
return LDB_SUCCESS;
} else {
*out = data_blob_talloc(mem_ctx, in->data, in->length);
talloc_free(tmp_ctx);
if (in->data && !out->data) {
return LDB_ERR_OPERATIONS_ERROR;
}
return LDB_SUCCESS;
}
}
*out = data_blob_string_const(ldb_dn_alloc_casefold(mem_ctx, dn1));
talloc_free(tmp_ctx);
if (!out->data) {
return LDB_ERR_OPERATIONS_ERROR;
}
return LDB_SUCCESS;
}
static int ldif_comparison_objectCategory(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *v1,
const struct ldb_val *v2)
{
int ret, ret1, ret2;
struct ldb_val v1_canon, v2_canon;
TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
/* I could try and bail if tmp_ctx was NULL, but what return
* value would I use?
*
* It seems easier to continue on the NULL context
*/
ret1 = ldif_canonicalise_objectCategory(ldb, tmp_ctx, v1, &v1_canon);
ret2 = ldif_canonicalise_objectCategory(ldb, tmp_ctx, v2, &v2_canon);
if (ret1 == LDB_SUCCESS && ret2 == LDB_SUCCESS) {
ret = data_blob_cmp(&v1_canon, &v2_canon);
} else {
ret = data_blob_cmp(v1, v2);
}
talloc_free(tmp_ctx);
return ret;
}
/*
convert a ldif formatted prefixMap to a NDR formatted blob
*/
static int ldif_read_prefixMap(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
struct prefixMapBlob *blob;
enum ndr_err_code ndr_err;
char *string, *line, *p, *oid;
TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
if (tmp_ctx == NULL) {
return -1;
}
blob = talloc_zero(tmp_ctx, struct prefixMapBlob);
if (blob == NULL) {
talloc_free(blob);
return -1;
}
blob->version = PREFIX_MAP_VERSION_DSDB;
string = talloc_strndup(mem_ctx, (const char *)in->data, in->length);
if (string == NULL) {
talloc_free(blob);
return -1;
}
line = string;
while (line && line[0]) {
p=strchr(line, ';');
if (p) {
p[0] = '\0';
} else {
p=strchr(line, '\n');
if (p) {
p[0] = '\0';
}
}
/* allow a traling seperator */
if (line == p) {
break;
}
blob->ctr.dsdb.mappings = talloc_realloc(blob,
blob->ctr.dsdb.mappings,
struct drsuapi_DsReplicaOIDMapping,
blob->ctr.dsdb.num_mappings+1);
if (!blob->ctr.dsdb.mappings) {
talloc_free(tmp_ctx);
return -1;
}
blob->ctr.dsdb.mappings[blob->ctr.dsdb.num_mappings].id_prefix = strtoul(line, &oid, 10);
if (oid[0] != ':') {
talloc_free(tmp_ctx);
return -1;
}
/* we know there must be at least ":" */
oid++;
blob->ctr.dsdb.mappings[blob->ctr.dsdb.num_mappings].oid.oid
= talloc_strdup(blob->ctr.dsdb.mappings, oid);
blob->ctr.dsdb.num_mappings++;
/* Now look past the terminator we added above */
if (p) {
line = p + 1;
} else {
line = NULL;
}
}
ndr_err = ndr_push_struct_blob(out, mem_ctx,
lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
blob,
(ndr_push_flags_fn_t)ndr_push_prefixMapBlob);
talloc_free(tmp_ctx);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
return -1;
}
return 0;
}
/*
convert a NDR formatted blob to a ldif formatted prefixMap
*/
static int ldif_write_prefixMap(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
struct prefixMapBlob *blob;
enum ndr_err_code ndr_err;
char *string;
uint32_t i;
blob = talloc(mem_ctx, struct prefixMapBlob);
if (blob == NULL) {
return -1;
}
ndr_err = ndr_pull_struct_blob_all(in, blob,
lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
blob,
(ndr_pull_flags_fn_t)ndr_pull_prefixMapBlob);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
talloc_free(blob);
return -1;
}
if (blob->version != PREFIX_MAP_VERSION_DSDB) {
return -1;
}
string = talloc_strdup(mem_ctx, "");
if (string == NULL) {
return -1;
}
for (i=0; i < blob->ctr.dsdb.num_mappings; i++) {
if (i > 0) {
string = talloc_asprintf_append(string, ";");
}
string = talloc_asprintf_append(string, "%u:%s",
blob->ctr.dsdb.mappings[i].id_prefix,
blob->ctr.dsdb.mappings[i].oid.oid);
if (string == NULL) {
return -1;
}
}
talloc_free(blob);
*out = data_blob_string_const(string);
return 0;
}
static bool ldif_comparision_prefixMap_isString(const struct ldb_val *v)
{
if (v->length < 4) {
return true;
}
if (IVAL(v->data, 0) == PREFIX_MAP_VERSION_DSDB) {
return false;
}
return true;
}
/*
canonicalise a prefixMap
*/
static int ldif_canonicalise_prefixMap(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
if (ldif_comparision_prefixMap_isString(in)) {
return ldif_read_prefixMap(ldb, mem_ctx, in, out);
}
return ldb_handler_copy(ldb, mem_ctx, in, out);
}
static int ldif_comparison_prefixMap(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *v1,
const struct ldb_val *v2)
{
int ret, ret1, ret2;
struct ldb_val v1_canon, v2_canon;
TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
/* I could try and bail if tmp_ctx was NULL, but what return
* value would I use?
*
* It seems easier to continue on the NULL context
*/
ret1 = ldif_canonicalise_prefixMap(ldb, tmp_ctx, v1, &v1_canon);
ret2 = ldif_canonicalise_prefixMap(ldb, tmp_ctx, v2, &v2_canon);
if (ret1 == LDB_SUCCESS && ret2 == LDB_SUCCESS) {
ret = data_blob_cmp(&v1_canon, &v2_canon);
} else {
ret = data_blob_cmp(v1, v2);
}
talloc_free(tmp_ctx);
return ret;
}
/* Canonicalisation of two 32-bit integers */
static int ldif_canonicalise_int32(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
char *end;
/* We've to use "strtoll" here to have the intended overflows.
* Otherwise we may get "LONG_MAX" and the conversion is wrong. */
int32_t i = (int32_t) strtoll((char *)in->data, &end, 0);
if (*end != 0) {
return -1;
}
out->data = (uint8_t *) talloc_asprintf(mem_ctx, "%d", i);
if (out->data == NULL) {
return -1;
}
out->length = strlen((char *)out->data);
return 0;
}
/* Comparison of two 32-bit integers */
static int ldif_comparison_int32(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *v1, const struct ldb_val *v2)
{
/* We've to use "strtoll" here to have the intended overflows.
* Otherwise we may get "LONG_MAX" and the conversion is wrong. */
return (int32_t) strtoll((char *)v1->data, NULL, 0)
- (int32_t) strtoll((char *)v2->data, NULL, 0);
}
/*
use ndr_print_* to convert a NDR formatted blob to a ldif formatted blob
*/
static int ldif_write_NDR(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out,
size_t struct_size,
ndr_pull_flags_fn_t pull_fn,
ndr_print_fn_t print_fn)
{
uint8_t *p;
enum ndr_err_code err;
if (!(ldb_get_flags(ldb) & LDB_FLG_SHOW_BINARY)) {
return ldb_handler_copy(ldb, mem_ctx, in, out);
}
p = talloc_size(mem_ctx, struct_size);
err = ndr_pull_struct_blob(in, mem_ctx,
lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
p, pull_fn);
if (err != NDR_ERR_SUCCESS) {
talloc_free(p);
return ldb_handler_copy(ldb, mem_ctx, in, out);
}
out->data = (uint8_t *)ndr_print_struct_string(mem_ctx, print_fn, "NDR", p);
talloc_free(p);
if (out->data == NULL) {
return ldb_handler_copy(ldb, mem_ctx, in, out);
}
out->length = strlen((char *)out->data);
return 0;
}
/*
convert a NDR formatted blob to a ldif formatted repsFromTo
*/
static int ldif_write_repsFromTo(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
return ldif_write_NDR(ldb, mem_ctx, in, out,
sizeof(struct repsFromToBlob),
(ndr_pull_flags_fn_t)ndr_pull_repsFromToBlob,
(ndr_print_fn_t)ndr_print_repsFromToBlob);
}
static int extended_dn_write_hex(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
*out = data_blob_string_const(data_blob_hex_string(mem_ctx, in));
if (!out->data) {
return -1;
}
return 0;
}
static const struct ldb_schema_syntax samba_syntaxes[] = {
{
.name = LDB_SYNTAX_SAMBA_SID,
.ldif_read_fn = ldif_read_objectSid,
.ldif_write_fn = ldif_write_objectSid,
.canonicalise_fn = ldif_canonicalise_objectSid,
.comparison_fn = ldif_comparison_objectSid
},{
.name = LDB_SYNTAX_SAMBA_SECURITY_DESCRIPTOR,
.ldif_read_fn = ldif_read_ntSecurityDescriptor,
.ldif_write_fn = ldif_write_ntSecurityDescriptor,
.canonicalise_fn = ldb_handler_copy,
.comparison_fn = ldb_comparison_binary
},{
.name = LDB_SYNTAX_SAMBA_GUID,
.ldif_read_fn = ldif_read_objectGUID,
.ldif_write_fn = ldif_write_objectGUID,
.canonicalise_fn = ldif_canonicalise_objectGUID,
.comparison_fn = ldif_comparison_objectGUID
},{
.name = LDB_SYNTAX_SAMBA_OBJECT_CATEGORY,
.ldif_read_fn = ldb_handler_copy,
.ldif_write_fn = ldb_handler_copy,
.canonicalise_fn = ldif_canonicalise_objectCategory,
.comparison_fn = ldif_comparison_objectCategory
},{
.name = LDB_SYNTAX_SAMBA_PREFIX_MAP,
.ldif_read_fn = ldif_read_prefixMap,
.ldif_write_fn = ldif_write_prefixMap,
.canonicalise_fn = ldif_canonicalise_prefixMap,
.comparison_fn = ldif_comparison_prefixMap
},{
.name = LDB_SYNTAX_SAMBA_INT32,
.ldif_read_fn = ldb_handler_copy,
.ldif_write_fn = ldb_handler_copy,
.canonicalise_fn = ldif_canonicalise_int32,
.comparison_fn = ldif_comparison_int32
},{
.name = LDB_SYNTAX_SAMBA_REPSFROMTO,
.ldif_read_fn = ldb_handler_copy,
.ldif_write_fn = ldif_write_repsFromTo,
.canonicalise_fn = ldb_handler_copy,
.comparison_fn = ldb_comparison_binary
},
};
static const struct ldb_dn_extended_syntax samba_dn_syntax[] = {
{
.name = "SID",
.read_fn = extended_dn_read_SID,
.write_clear_fn = ldif_write_objectSid,
.write_hex_fn = extended_dn_write_hex
},{
.name = "GUID",
.read_fn = extended_dn_read_GUID,
.write_clear_fn = ldif_write_objectGUID,
.write_hex_fn = extended_dn_write_hex
},{
.name = "WKGUID",
.read_fn = ldb_handler_copy,
.write_clear_fn = ldb_handler_copy,
.write_hex_fn = ldb_handler_copy
}
};
/* TODO: Should be dynamic at some point */
static const struct {
const char *name;
const char *syntax;
} samba_attributes[] = {
{ "objectSid", LDB_SYNTAX_SAMBA_SID },
{ "securityIdentifier", LDB_SYNTAX_SAMBA_SID },
{ "ntSecurityDescriptor", LDB_SYNTAX_SAMBA_SECURITY_DESCRIPTOR },
{ "objectGUID", LDB_SYNTAX_SAMBA_GUID },
{ "invocationId", LDB_SYNTAX_SAMBA_GUID },
{ "schemaIDGUID", LDB_SYNTAX_SAMBA_GUID },
{ "attributeSecurityGUID", LDB_SYNTAX_SAMBA_GUID },
{ "parentGUID", LDB_SYNTAX_SAMBA_GUID },
{ "siteGUID", LDB_SYNTAX_SAMBA_GUID },
{ "pKTGUID", LDB_SYNTAX_SAMBA_GUID },
{ "fRSVersionGUID", LDB_SYNTAX_SAMBA_GUID },
{ "fRSReplicaSetGUID", LDB_SYNTAX_SAMBA_GUID },
{ "netbootGUID", LDB_SYNTAX_SAMBA_GUID },
{ "objectCategory", LDB_SYNTAX_SAMBA_OBJECT_CATEGORY },
{ "prefixMap", LDB_SYNTAX_SAMBA_PREFIX_MAP },
{ "repsFrom", LDB_SYNTAX_SAMBA_REPSFROMTO },
{ "repsTo", LDB_SYNTAX_SAMBA_REPSFROMTO },
};
const struct ldb_schema_syntax *ldb_samba_syntax_by_name(struct ldb_context *ldb, const char *name)
{
uint32_t j;
const struct ldb_schema_syntax *s = NULL;
for (j=0; j < ARRAY_SIZE(samba_syntaxes); j++) {
if (strcmp(name, samba_syntaxes[j].name) == 0) {
s = &samba_syntaxes[j];
break;
}
}
return s;
}
const struct ldb_schema_syntax *ldb_samba_syntax_by_lDAPDisplayName(struct ldb_context *ldb, const char *name)
{
uint32_t j;
const struct ldb_schema_syntax *s = NULL;
for (j=0; j < ARRAY_SIZE(samba_attributes); j++) {
if (strcmp(samba_attributes[j].name, name) == 0) {
s = ldb_samba_syntax_by_name(ldb, samba_attributes[j].syntax);
break;
}
}
return s;
}
/*
register the samba ldif handlers
*/
int ldb_register_samba_handlers(struct ldb_context *ldb)
{
uint32_t i;
for (i=0; i < ARRAY_SIZE(samba_attributes); i++) {
int ret;
const struct ldb_schema_syntax *s = NULL;
s = ldb_samba_syntax_by_name(ldb, samba_attributes[i].syntax);
if (!s) {
s = ldb_standard_syntax_by_name(ldb, samba_attributes[i].syntax);
}
if (!s) {
return -1;
}
ret = ldb_schema_attribute_add_with_syntax(ldb, samba_attributes[i].name, LDB_ATTR_FLAG_FIXED, s);
if (ret != LDB_SUCCESS) {
return ret;
}
}
for (i=0; i < ARRAY_SIZE(samba_dn_syntax); i++) {
int ret;
ret = ldb_dn_extended_add_syntax(ldb, LDB_ATTR_FLAG_FIXED, &samba_dn_syntax[i]);
if (ret != LDB_SUCCESS) {
return ret;
}
}
return LDB_SUCCESS;
}