/*
ldb database library - ldif handlers for Samba
Copyright (C) Andrew Tridgell 2005
Copyright (C) Andrew Bartlett 2006-2009
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
#include
#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/gen_ndr/ndr_dnsp.h"
#include "librpc/ndr/libndr.h"
#include "libcli/security/security.h"
#include "param/param.h"
#include "../lib/util/asn1.h"
/*
use ndr_print_* to convert a NDR formatted blob to a ldif formatted blob
If mask_errors is true, then function succeeds but out data
is set to "" message
\return 0 on success; -1 on error
*/
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,
bool mask_errors)
{
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,
p, pull_fn);
if (err != NDR_ERR_SUCCESS) {
/* fail in not in mask_error mode */
if (!mask_errors) {
return -1;
}
talloc_free(p);
out->data = (uint8_t *)talloc_strdup(mem_ctx, "");
out->length = strlen((const char *)out->data);
return 0;
}
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 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, 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
*/
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, 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;
}
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, &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;
status = GUID_from_data_blob(in, &guid);
if (!NT_STATUS_IS_OK(status)) {
return -1;
}
status = GUID_to_ndr_blob(&guid, mem_ctx, out);
if (!NT_STATUS_IS_OK(status)) {
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;
NTSTATUS status;
status = GUID_from_ndr_blob(in, &guid);
if (!NT_STATUS_IS_OK(status)) {
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;
NTSTATUS status;
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 */
status = GUID_from_ndr_blob(out, &guid);
if (!NT_STATUS_IS_OK(status)) {
data_blob_free(out);
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, 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, 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;
if (ldb_get_flags(ldb) & LDB_FLG_SHOW_BINARY) {
return ldif_write_NDR(ldb, mem_ctx, in, out,
sizeof(struct security_descriptor),
(ndr_pull_flags_fn_t)ndr_pull_security_descriptor,
(ndr_print_fn_t)ndr_print_security_descriptor,
true);
}
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, 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, samdb_domain_sid_cache_only(ldb));
talloc_free(sd);
if (out->data == NULL) {
return -1;
}
out->length = strlen((const char *)out->data);
return 0;
}
/*
convert a string formatted SDDL to a ldif formatted ntSecurityDescriptor (SDDL format)
*/
static int ldif_write_sddlSecurityDescriptor(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
if (ldb_get_flags(ldb) & LDB_FLG_SHOW_BINARY) {
struct security_descriptor *sd;
const struct dom_sid *sid = samdb_domain_sid(ldb);
sd = sddl_decode(mem_ctx, (const char *)in->data, sid);
out->data = (uint8_t *)ndr_print_struct_string(mem_ctx,
(ndr_print_fn_t)ndr_print_security_descriptor,
"SDDL", sd);
out->length = strlen((const char *)out->data);
talloc_free(sd);
return 0;
}
return ldb_handler_copy(ldb, mem_ctx, in, out);
}
/*
canonicalise an objectCategory. We use the long form as the canonical form:
'person' becomes cn=Person,cn=Schema,cn=Configuration,
Also any short name of an objectClass that points to a different
class (such as user) has the canonical form of the class it's
defaultObjectCategory points to (eg
cn=Person,cn=Schema,cn=Configuration,)
*/
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, NULL);
const struct dsdb_class *sclass;
TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
if (!tmp_ctx) {
return LDB_ERR_OPERATIONS_ERROR;
}
if (!schema) {
talloc_free(tmp_ctx);
*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)
{
return ldb_any_comparison(ldb, mem_ctx, ldif_canonicalise_objectCategory,
v1, v2);
}
/*
convert a NDR formatted blob to a ldif formatted schemaInfo
*/
static int ldif_write_schemaInfo(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_schemaInfoBlob,
(ndr_print_fn_t)ndr_print_schemaInfoBlob,
true);
}
/*
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;
DATA_BLOB oid_blob;
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(tmp_ctx);
return -1;
}
/* use the switch value to detect if this is in the binary
* format
*/
if (in->length >= 4 && IVAL(in->data, 0) == PREFIX_MAP_VERSION_DSDB) {
ndr_err = ndr_pull_struct_blob(in, tmp_ctx, blob,
(ndr_pull_flags_fn_t)ndr_pull_prefixMapBlob);
if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
ndr_err = ndr_push_struct_blob(out, mem_ctx,
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;
}
}
/* If this does not parse, then it is probably the text version, and we should try it that way */
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 trailing separator */
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++;
if (!ber_write_partial_OID_String(blob->ctr.dsdb.mappings, &oid_blob, oid)) {
talloc_free(tmp_ctx);
return -1;
}
blob->ctr.dsdb.mappings[blob->ctr.dsdb.num_mappings].oid.length = oid_blob.length;
blob->ctr.dsdb.mappings[blob->ctr.dsdb.num_mappings].oid.binary_oid = oid_blob.data;
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,
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;
if (ldb_get_flags(ldb) & LDB_FLG_SHOW_BINARY) {
int err;
/* try to decode the blob as S4 prefixMap */
err = ldif_write_NDR(ldb, mem_ctx, in, out,
sizeof(struct prefixMapBlob),
(ndr_pull_flags_fn_t)ndr_pull_prefixMapBlob,
(ndr_print_fn_t)ndr_print_prefixMapBlob,
false);
if (0 == err) {
return err;
}
/* try parsing it as Windows PrefixMap value */
return ldif_write_NDR(ldb, mem_ctx, in, out,
sizeof(struct drsuapi_MSPrefixMap_Ctr),
(ndr_pull_flags_fn_t)ndr_pull_drsuapi_MSPrefixMap_Ctr,
(ndr_print_fn_t)ndr_print_drsuapi_MSPrefixMap_Ctr,
true);
}
blob = talloc(mem_ctx, struct prefixMapBlob);
if (blob == NULL) {
return -1;
}
ndr_err = ndr_pull_struct_blob_all(in, blob,
blob,
(ndr_pull_flags_fn_t)ndr_pull_prefixMapBlob);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
goto failed;
}
if (blob->version != PREFIX_MAP_VERSION_DSDB) {
goto failed;
}
string = talloc_strdup(mem_ctx, "");
if (string == NULL) {
goto failed;
}
for (i=0; i < blob->ctr.dsdb.num_mappings; i++) {
DATA_BLOB oid_blob;
char *partial_oid = NULL;
if (i > 0) {
string = talloc_asprintf_append(string, ";");
}
oid_blob = data_blob_const(blob->ctr.dsdb.mappings[i].oid.binary_oid,
blob->ctr.dsdb.mappings[i].oid.length);
if (!ber_read_partial_OID_String(blob, oid_blob, &partial_oid)) {
DEBUG(0, ("ber_read_partial_OID failed on prefixMap item with id: 0x%X",
blob->ctr.dsdb.mappings[i].id_prefix));
goto failed;
}
string = talloc_asprintf_append(string, "%u:%s",
blob->ctr.dsdb.mappings[i].id_prefix,
partial_oid);
talloc_free(discard_const(partial_oid));
if (string == NULL) {
goto failed;
}
}
talloc_free(blob);
*out = data_blob_string_const(string);
return 0;
failed:
talloc_free(blob);
return -1;
}
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)
{
return ldb_any_comparison(ldb, mem_ctx, ldif_canonicalise_prefixMap,
v1, v2);
}
/* length limited conversion of a ldb_val to a int32_t */
static int val_to_int32(const struct ldb_val *in, int32_t *v)
{
char *end;
char buf[64];
/* make sure we don't read past the end of the data */
if (in->length > sizeof(buf)-1) {
return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
}
strncpy(buf, (char *)in->data, in->length);
buf[in->length] = 0;
/* We've to use "strtoll" here to have the intended overflows.
* Otherwise we may get "LONG_MAX" and the conversion is wrong. */
*v = (int32_t) strtoll(buf, &end, 0);
if (*end != 0) {
return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
}
return LDB_SUCCESS;
}
/* length limited conversion of a ldb_val to a int64_t */
static int val_to_int64(const struct ldb_val *in, int64_t *v)
{
char *end;
char buf[64];
/* make sure we don't read past the end of the data */
if (in->length > sizeof(buf)-1) {
return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
}
strncpy(buf, (char *)in->data, in->length);
buf[in->length] = 0;
*v = (int64_t) strtoll(buf, &end, 0);
if (*end != 0) {
return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
}
return LDB_SUCCESS;
}
/* 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)
{
int32_t i;
int ret;
ret = val_to_int32(in, &i);
if (ret != LDB_SUCCESS) {
return ret;
}
out->data = (uint8_t *) talloc_asprintf(mem_ctx, "%d", i);
if (out->data == NULL) {
ldb_oom(ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
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)
{
int32_t i1=0, i2=0;
val_to_int32(v1, &i1);
val_to_int32(v2, &i2);
if (i1 == i2) return 0;
return i1 > i2? 1 : -1;
}
/* Canonicalisation of two 64-bit integers */
static int ldif_canonicalise_int64(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
int64_t i;
int ret;
ret = val_to_int64(in, &i);
if (ret != LDB_SUCCESS) {
return ret;
}
out->data = (uint8_t *) talloc_asprintf(mem_ctx, "%lld", (long long)i);
if (out->data == NULL) {
ldb_oom(ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
out->length = strlen((char *)out->data);
return 0;
}
/* Comparison of two 64-bit integers */
static int ldif_comparison_int64(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *v1, const struct ldb_val *v2)
{
int64_t i1=0, i2=0;
val_to_int64(v1, &i1);
val_to_int64(v2, &i2);
if (i1 == i2) return 0;
return i1 > i2? 1 : -1;
}
/*
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,
true);
}
/*
convert a NDR formatted blob to a ldif formatted replPropertyMetaData
*/
static int ldif_write_replPropertyMetaData(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 replPropertyMetaDataBlob),
(ndr_pull_flags_fn_t)ndr_pull_replPropertyMetaDataBlob,
(ndr_print_fn_t)ndr_print_replPropertyMetaDataBlob,
true);
}
/*
convert a NDR formatted blob to a ldif formatted replUpToDateVector
*/
static int ldif_write_replUpToDateVector(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 replUpToDateVectorBlob),
(ndr_pull_flags_fn_t)ndr_pull_replUpToDateVectorBlob,
(ndr_print_fn_t)ndr_print_replUpToDateVectorBlob,
true);
}
/*
convert a NDR formatted blob to a ldif formatted dnsRecord
*/
static int ldif_write_dnsRecord(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 dnsp_DnssrvRpcRecord),
(ndr_pull_flags_fn_t)ndr_pull_dnsp_DnssrvRpcRecord,
(ndr_print_fn_t)ndr_print_dnsp_DnssrvRpcRecord,
true);
}
/*
convert a NDR formatted blob of a supplementalCredentials into text
*/
static int ldif_write_supplementalCredentialsBlob(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 supplementalCredentialsBlob),
(ndr_pull_flags_fn_t)ndr_pull_supplementalCredentialsBlob,
(ndr_print_fn_t)ndr_print_supplementalCredentialsBlob,
true);
}
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_lower(mem_ctx, in));
if (!out->data) {
return -1;
}
return 0;
}
/*
compare two dns
*/
static int samba_ldb_dn_link_comparison(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *v1, const struct ldb_val *v2)
{
struct ldb_dn *dn1 = NULL, *dn2 = NULL;
int ret;
if (dsdb_dn_is_deleted_val(v1)) {
/* If the DN is deleted, then we can't search for it */
return -1;
}
if (dsdb_dn_is_deleted_val(v2)) {
/* If the DN is deleted, then we can't search for it */
return -1;
}
dn1 = ldb_dn_from_ldb_val(mem_ctx, ldb, v1);
if ( ! ldb_dn_validate(dn1)) return -1;
dn2 = ldb_dn_from_ldb_val(mem_ctx, ldb, v2);
if ( ! ldb_dn_validate(dn2)) {
talloc_free(dn1);
return -1;
}
ret = ldb_dn_compare(dn1, dn2);
talloc_free(dn1);
talloc_free(dn2);
return ret;
}
static int samba_ldb_dn_link_canonicalise(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
struct ldb_dn *dn;
int ret = -1;
out->length = 0;
out->data = NULL;
dn = ldb_dn_from_ldb_val(mem_ctx, ldb, in);
if ( ! ldb_dn_validate(dn)) {
return LDB_ERR_INVALID_DN_SYNTAX;
}
/* By including the RMD_FLAGS of a deleted DN, we ensure it
* does not casually match a not deleted DN */
if (dsdb_dn_is_deleted_val(in)) {
out->data = (uint8_t *)talloc_asprintf(mem_ctx,
"%s",
dsdb_dn_val_rmd_flags(in),
ldb_dn_get_casefold(dn));
} else {
out->data = (uint8_t *)ldb_dn_alloc_casefold(mem_ctx, dn);
}
if (out->data == NULL) {
goto done;
}
out->length = strlen((char *)out->data);
ret = 0;
done:
talloc_free(dn);
return ret;
}
/*
write a 64 bit 2-part range
*/
static int ldif_write_range64(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
int64_t v;
int ret;
ret = val_to_int64(in, &v);
if (ret != LDB_SUCCESS) {
return ret;
}
out->data = (uint8_t *)talloc_asprintf(mem_ctx, "%lu-%lu",
(unsigned long)(v&0xFFFFFFFF),
(unsigned long)(v>>32));
if (out->data == NULL) {
ldb_oom(ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
out->length = strlen((char *)out->data);
return LDB_SUCCESS;
}
/*
read a 64 bit 2-part range
*/
static int ldif_read_range64(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out)
{
unsigned long high, low;
char buf[64];
if (memchr(in->data, '-', in->length) == NULL) {
return ldb_handler_copy(ldb, mem_ctx, in, out);
}
if (in->length > sizeof(buf)-1) {
return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
}
strncpy(buf, (const char *)in->data, in->length);
buf[in->length] = 0;
if (sscanf(buf, "%lu-%lu", &low, &high) != 2) {
return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
}
out->data = (uint8_t *)talloc_asprintf(mem_ctx, "%llu",
(unsigned long long)(((uint64_t)high)<<32) | (low));
if (out->data == NULL) {
ldb_oom(ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
out->length = strlen((char *)out->data);
return LDB_SUCCESS;
}
/*
when this operator_fn is set for a syntax, the backend calls is in
preference to the comparison function. We are told the exact
comparison operation that is needed, and we can return errors
*/
static int samba_syntax_operator_fn(struct ldb_context *ldb, enum ldb_parse_op operation,
const struct ldb_schema_attribute *a,
const struct ldb_val *v1, const struct ldb_val *v2, bool *matched)
{
switch (operation) {
case LDB_OP_AND:
case LDB_OP_OR:
case LDB_OP_NOT:
case LDB_OP_SUBSTRING:
case LDB_OP_APPROX:
case LDB_OP_EXTENDED:
/* handled in the backends */
return LDB_ERR_INAPPROPRIATE_MATCHING;
case LDB_OP_GREATER:
case LDB_OP_LESS:
case LDB_OP_EQUALITY:
{
TALLOC_CTX *tmp_ctx = talloc_new(ldb);
int ret;
if (tmp_ctx == NULL) {
return ldb_oom(ldb);
}
ret = a->syntax->comparison_fn(ldb, tmp_ctx, v1, v2);
talloc_free(tmp_ctx);
if (operation == LDB_OP_GREATER) {
*matched = (ret > 0);
} else if (operation == LDB_OP_LESS) {
*matched = (ret < 0);
} else {
*matched = (ret == 0);
}
return LDB_SUCCESS;
}
case LDB_OP_PRESENT:
*matched = true;
return LDB_SUCCESS;
}
/* we shouldn't get here */
return LDB_ERR_INAPPROPRIATE_MATCHING;
}
/*
special operation for DNs, to take account of the RMD_FLAGS deleted bit
*/
static int samba_syntax_operator_dn(struct ldb_context *ldb, enum ldb_parse_op operation,
const struct ldb_schema_attribute *a,
const struct ldb_val *v1, const struct ldb_val *v2, bool *matched)
{
if (operation == LDB_OP_PRESENT && dsdb_dn_is_deleted_val(v1)) {
/* If the DN is deleted, then we can't search for it */
*matched = false;
return LDB_SUCCESS;
}
return samba_syntax_operator_fn(ldb, operation, a, v1, v2, matched);
}
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,
.operator_fn = samba_syntax_operator_fn
},{
.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,
.operator_fn = samba_syntax_operator_fn
},{
.name = LDB_SYNTAX_SAMBA_SDDL_SECURITY_DESCRIPTOR,
.ldif_read_fn = ldb_handler_copy,
.ldif_write_fn = ldif_write_sddlSecurityDescriptor,
.canonicalise_fn = ldb_handler_fold,
.comparison_fn = ldb_comparison_fold,
.operator_fn = samba_syntax_operator_fn
},{
.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,
.operator_fn = samba_syntax_operator_fn
},{
.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,
.operator_fn = samba_syntax_operator_fn
},{
.name = LDB_SYNTAX_SAMBA_SCHEMAINFO,
.ldif_read_fn = ldb_handler_copy,
.ldif_write_fn = ldif_write_schemaInfo,
.canonicalise_fn = ldb_handler_copy,
.comparison_fn = ldb_comparison_binary,
.operator_fn = samba_syntax_operator_fn
},{
.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,
.operator_fn = samba_syntax_operator_fn
},{
.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,
.operator_fn = samba_syntax_operator_fn
},{
.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,
.operator_fn = samba_syntax_operator_fn
},{
.name = LDB_SYNTAX_SAMBA_REPLPROPERTYMETADATA,
.ldif_read_fn = ldb_handler_copy,
.ldif_write_fn = ldif_write_replPropertyMetaData,
.canonicalise_fn = ldb_handler_copy,
.comparison_fn = ldb_comparison_binary,
.operator_fn = samba_syntax_operator_fn
},{
.name = LDB_SYNTAX_SAMBA_REPLUPTODATEVECTOR,
.ldif_read_fn = ldb_handler_copy,
.ldif_write_fn = ldif_write_replUpToDateVector,
.canonicalise_fn = ldb_handler_copy,
.comparison_fn = ldb_comparison_binary,
.operator_fn = samba_syntax_operator_fn
},{
.name = DSDB_SYNTAX_BINARY_DN,
.ldif_read_fn = ldb_handler_copy,
.ldif_write_fn = ldb_handler_copy,
.canonicalise_fn = dsdb_dn_binary_canonicalise,
.comparison_fn = dsdb_dn_binary_comparison,
.operator_fn = samba_syntax_operator_fn
},{
.name = DSDB_SYNTAX_STRING_DN,
.ldif_read_fn = ldb_handler_copy,
.ldif_write_fn = ldb_handler_copy,
.canonicalise_fn = dsdb_dn_string_canonicalise,
.comparison_fn = dsdb_dn_string_comparison,
.operator_fn = samba_syntax_operator_fn
},{
.name = LDB_SYNTAX_DN,
.ldif_read_fn = ldb_handler_copy,
.ldif_write_fn = ldb_handler_copy,
.canonicalise_fn = samba_ldb_dn_link_canonicalise,
.comparison_fn = samba_ldb_dn_link_comparison,
.operator_fn = samba_syntax_operator_dn
},{
.name = LDB_SYNTAX_SAMBA_RANGE64,
.ldif_read_fn = ldif_read_range64,
.ldif_write_fn = ldif_write_range64,
.canonicalise_fn = ldif_canonicalise_int64,
.comparison_fn = ldif_comparison_int64,
.operator_fn = samba_syntax_operator_fn
},{
.name = LDB_SYNTAX_SAMBA_DNSRECORD,
.ldif_read_fn = ldb_handler_copy,
.ldif_write_fn = ldif_write_dnsRecord,
.canonicalise_fn = ldb_handler_copy,
.comparison_fn = ldb_comparison_binary,
.operator_fn = samba_syntax_operator_fn
},{
.name = LDB_SYNTAX_SAMBA_SUPPLEMENTALCREDENTIALS,
.ldif_read_fn = ldb_handler_copy,
.ldif_write_fn = ldif_write_supplementalCredentialsBlob,
.canonicalise_fn = ldb_handler_copy,
.comparison_fn = ldb_comparison_binary,
.operator_fn = samba_syntax_operator_fn
}
};
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
},{
.name = "RMD_INVOCID",
.read_fn = extended_dn_read_GUID,
.write_clear_fn = ldif_write_objectGUID,
.write_hex_fn = extended_dn_write_hex
},{
.name = "RMD_FLAGS",
.read_fn = ldb_handler_copy,
.write_clear_fn = ldb_handler_copy,
.write_hex_fn = ldb_handler_copy
},{
.name = "RMD_ADDTIME",
.read_fn = ldb_handler_copy,
.write_clear_fn = ldb_handler_copy,
.write_hex_fn = ldb_handler_copy
},{
.name = "RMD_CHANGETIME",
.read_fn = ldb_handler_copy,
.write_clear_fn = ldb_handler_copy,
.write_hex_fn = ldb_handler_copy
},{
.name = "RMD_LOCAL_USN",
.read_fn = ldb_handler_copy,
.write_clear_fn = ldb_handler_copy,
.write_hex_fn = ldb_handler_copy
},{
.name = "RMD_ORIGINATING_USN",
.read_fn = ldb_handler_copy,
.write_clear_fn = ldb_handler_copy,
.write_hex_fn = ldb_handler_copy
},{
.name = "RMD_VERSION",
.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 },
{ "tokenGroups", LDB_SYNTAX_SAMBA_SID },
{ "ntSecurityDescriptor", LDB_SYNTAX_SAMBA_SECURITY_DESCRIPTOR },
{ "oMSyntax", LDB_SYNTAX_SAMBA_INT32 },
{ "objectCategory", LDB_SYNTAX_SAMBA_OBJECT_CATEGORY },
{ "schemaInfo", LDB_SYNTAX_SAMBA_SCHEMAINFO },
{ "prefixMap", LDB_SYNTAX_SAMBA_PREFIX_MAP },
{ "repsFrom", LDB_SYNTAX_SAMBA_REPSFROMTO },
{ "repsTo", LDB_SYNTAX_SAMBA_REPSFROMTO },
{ "replPropertyMetaData", LDB_SYNTAX_SAMBA_REPLPROPERTYMETADATA },
{ "replUpToDateVector", LDB_SYNTAX_SAMBA_REPLUPTODATEVECTOR },
{ "rIDAllocationPool", LDB_SYNTAX_SAMBA_RANGE64 },
{ "rIDPreviousAllocationPool", LDB_SYNTAX_SAMBA_RANGE64 },
{ "rIDAvailablePool", LDB_SYNTAX_SAMBA_RANGE64 },
{ "defaultSecurityDescriptor", LDB_SYNTAX_SAMBA_SDDL_SECURITY_DESCRIPTOR },
/*
* these are extracted by searching
* (&(attributeSyntax=2.5.5.10)(rangeLower=16)(rangeUpper=16)(omSyntax=4))
*/
{ "attributeSecurityGUID", LDB_SYNTAX_SAMBA_GUID },
{ "categoryId", LDB_SYNTAX_SAMBA_GUID },
{ "controlAccessRights", LDB_SYNTAX_SAMBA_GUID },
{ "currMachineId", LDB_SYNTAX_SAMBA_GUID },
{ "fRSReplicaSetGUID", LDB_SYNTAX_SAMBA_GUID },
{ "fRSVersionGUID", LDB_SYNTAX_SAMBA_GUID },
{ "implementedCategories", LDB_SYNTAX_SAMBA_GUID },
{ "msDS-AzObjectGuid", LDB_SYNTAX_SAMBA_GUID },
{ "msDFSR-ContentSetGuid", LDB_SYNTAX_SAMBA_GUID },
{ "msDFSR-ReplicationGroupGuid", LDB_SYNTAX_SAMBA_GUID },
{ "mSMQDigests", LDB_SYNTAX_SAMBA_GUID },
{ "mSMQOwnerID", LDB_SYNTAX_SAMBA_GUID },
{ "mSMQQMID", LDB_SYNTAX_SAMBA_GUID },
{ "mSMQQueueType", LDB_SYNTAX_SAMBA_GUID },
{ "mSMQSites", LDB_SYNTAX_SAMBA_GUID },
{ "netbootGUID", LDB_SYNTAX_SAMBA_GUID },
{ "objectGUID", LDB_SYNTAX_SAMBA_GUID },
{ "pKTGuid", LDB_SYNTAX_SAMBA_GUID },
{ "requiredCategories", LDB_SYNTAX_SAMBA_GUID },
{ "schemaIDGUID", LDB_SYNTAX_SAMBA_GUID },
{ "siteGUID", LDB_SYNTAX_SAMBA_GUID },
{ "msDFS-GenerationGUIDv2", LDB_SYNTAX_SAMBA_GUID },
{ "msDFS-LinkIdentityGUIDv2", LDB_SYNTAX_SAMBA_GUID },
{ "msDFS-NamespaceIdentityGUIDv2", LDB_SYNTAX_SAMBA_GUID },
/*
* these are known to be GUIDs
*/
{ "invocationId", LDB_SYNTAX_SAMBA_GUID },
{ "parentGUID", LDB_SYNTAX_SAMBA_GUID },
{ "msDS-OptionalFeatureGUID", LDB_SYNTAX_SAMBA_GUID },
/* These NDR encoded things we want to be able to read with --show-binary */
{ "dnsRecord", LDB_SYNTAX_SAMBA_DNSRECORD },
{ "supplementalCredentials", LDB_SYNTAX_SAMBA_SUPPLEMENTALCREDENTIALS}
};
const struct ldb_schema_syntax *ldb_samba_syntax_by_name(struct ldb_context *ldb, const char *name)
{
unsigned int 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)
{
unsigned int 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)
{
unsigned int i;
int ret;
if (ldb_get_opaque(ldb, "SAMBA_HANDLERS_REGISTERED") != NULL) {
return LDB_SUCCESS;
}
for (i=0; i < ARRAY_SIZE(samba_attributes); i++) {
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 LDB_ERR_OPERATIONS_ERROR;
}
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++) {
ret = ldb_dn_extended_add_syntax(ldb, LDB_ATTR_FLAG_FIXED, &samba_dn_syntax[i]);
if (ret != LDB_SUCCESS) {
return ret;
}
}
ret = ldb_set_opaque(ldb, "SAMBA_HANDLERS_REGISTERED", (void*)1);
if (ret != LDB_SUCCESS) {
return ret;
}
return LDB_SUCCESS;
}