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samba-mirror/source4/dsdb/kcc/kcc_drs_replica_info.c
Joseph Sutton abcfaa79d0 s4:dsdb: Add missing newlines to logging messages
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2023-08-08 04:39:37 +00:00

912 lines
29 KiB
C

/*
Unix SMB/CIFS implementation.
DRS Replica Information
Copyright (C) Erick Nogueira do Nascimento 2009-2010
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "dsdb/samdb/samdb.h"
#include "dsdb/common/proto.h"
#include "auth/auth.h"
#include "samba/service.h"
#include "lib/events/events.h"
#include "lib/messaging/irpc.h"
#include "dsdb/kcc/kcc_service.h"
#include <ldb_errors.h>
#include "../lib/util/dlinklist.h"
#include "librpc/gen_ndr/ndr_misc.h"
#include "librpc/gen_ndr/ndr_drsuapi.h"
#include "librpc/gen_ndr/ndr_drsblobs.h"
#include "param/param.h"
#include "dsdb/common/util.h"
/*
get the stamp values for the linked attribute 'linked_attr_name' of the object 'dn'
*/
static WERROR get_linked_attribute_value_stamp(TALLOC_CTX *mem_ctx, struct ldb_context *samdb,
struct ldb_dn *dn, const char *linked_attr_name,
uint32_t *attr_version, NTTIME *attr_change_time, uint32_t *attr_orig_usn)
{
struct ldb_result *res;
int ret;
const char *attrs[2];
struct ldb_dn *attr_ext_dn;
NTSTATUS ntstatus;
attrs[0] = linked_attr_name;
attrs[1] = NULL;
ret = dsdb_search_dn(samdb, mem_ctx, &res, dn, attrs,
DSDB_SEARCH_SHOW_EXTENDED_DN | DSDB_SEARCH_REVEAL_INTERNALS);
if (ret != LDB_SUCCESS) {
DEBUG(0, (__location__ ": Failed search for attribute %s on %s\n",
linked_attr_name, ldb_dn_get_linearized(dn)));
return WERR_INTERNAL_ERROR;
}
attr_ext_dn = ldb_msg_find_attr_as_dn(samdb, mem_ctx, res->msgs[0], linked_attr_name);
if (!attr_ext_dn) {
DEBUG(0, (__location__ ": Failed search for attribute %s on %s\n",
linked_attr_name, ldb_dn_get_linearized(dn)));
return WERR_INTERNAL_ERROR;
}
DEBUG(0, ("linked_attr_name = %s, attr_ext_dn = %s", linked_attr_name,
ldb_dn_get_extended_linearized(mem_ctx, attr_ext_dn, 1)));
ntstatus = dsdb_get_extended_dn_uint32(attr_ext_dn, attr_version, "RMD_VERSION");
if (!NT_STATUS_IS_OK(ntstatus)) {
DEBUG(0, (__location__ ": Could not extract component %s from dn \"%s\"\n",
"RMD_VERSION", ldb_dn_get_extended_linearized(mem_ctx, attr_ext_dn, 1)));
return WERR_INTERNAL_ERROR;
}
ntstatus = dsdb_get_extended_dn_nttime(attr_ext_dn, attr_change_time, "RMD_CHANGETIME");
if (!NT_STATUS_IS_OK(ntstatus)) {
DEBUG(0, (__location__ ": Could not extract component %s from dn \"%s\"\n",
"RMD_CHANGETIME", ldb_dn_get_extended_linearized(mem_ctx, attr_ext_dn, 1)));
return WERR_INTERNAL_ERROR;
}
ntstatus = dsdb_get_extended_dn_uint32(attr_ext_dn, attr_version, "RMD_ORIGINATING_USN");
if (!NT_STATUS_IS_OK(ntstatus)) {
DEBUG(0, (__location__ ": Could not extract component %s from dn \"%s\"\n",
"RMD_ORIGINATING_USN", ldb_dn_get_extended_linearized(mem_ctx, attr_ext_dn, 1)));
return WERR_INTERNAL_ERROR;
}
return WERR_OK;
}
static WERROR get_repl_prop_metadata_ctr(TALLOC_CTX *mem_ctx,
struct ldb_context *samdb,
struct ldb_dn *dn,
struct replPropertyMetaDataBlob *obj_metadata_ctr)
{
int ret;
struct ldb_result *res;
const char *attrs[] = { "replPropertyMetaData", NULL };
const struct ldb_val *omd_value;
enum ndr_err_code ndr_err;
ret = ldb_search(samdb, mem_ctx, &res, dn, LDB_SCOPE_BASE, attrs, NULL);
if (ret != LDB_SUCCESS || res->count != 1) {
DEBUG(0, (__location__ ": Failed search for replPropertyMetaData attribute on %s\n",
ldb_dn_get_linearized(dn)));
return WERR_INTERNAL_ERROR;
}
omd_value = ldb_msg_find_ldb_val(res->msgs[0], "replPropertyMetaData");
if (!omd_value) {
DEBUG(0,(__location__ ": Object %s does not have a replPropertyMetaData attribute\n",
ldb_dn_get_linearized(dn)));
talloc_free(res);
return WERR_INTERNAL_ERROR;
}
ndr_err = ndr_pull_struct_blob(omd_value, mem_ctx,
obj_metadata_ctr,
(ndr_pull_flags_fn_t)ndr_pull_replPropertyMetaDataBlob);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
DEBUG(0,(__location__ ": Failed to parse replPropertyMetaData for %s\n",
ldb_dn_get_linearized(dn)));
talloc_free(res);
return WERR_INTERNAL_ERROR;
}
talloc_free(res);
return WERR_OK;
}
/*
get the DN of the nTDSDSA object from the configuration partition
whose invocationId is 'invocation_id'
put the value on 'dn_str'
*/
static WERROR get_dn_from_invocation_id(TALLOC_CTX *mem_ctx,
struct ldb_context *samdb,
struct GUID *invocation_id,
const char **dn_str)
{
char *invocation_id_str;
const char *attrs_invocation[] = { NULL };
struct ldb_message *msg;
int ret;
invocation_id_str = GUID_string(mem_ctx, invocation_id);
W_ERROR_HAVE_NO_MEMORY(invocation_id_str);
ret = dsdb_search_one(samdb, invocation_id_str, &msg, ldb_get_config_basedn(samdb), LDB_SCOPE_SUBTREE,
attrs_invocation, 0, "(&(objectClass=nTDSDSA)(invocationId=%s))", invocation_id_str);
if (ret != LDB_SUCCESS) {
DEBUG(0, (__location__ ": Failed search for the object DN under %s whose invocationId is %s\n",
invocation_id_str, ldb_dn_get_linearized(ldb_get_config_basedn(samdb))));
talloc_free(invocation_id_str);
return WERR_INTERNAL_ERROR;
}
*dn_str = ldb_dn_alloc_linearized(mem_ctx, msg->dn);
talloc_free(invocation_id_str);
return WERR_OK;
}
/*
get metadata version 2 info for a specified object DN
*/
static WERROR kccdrs_replica_get_info_obj_metadata2(TALLOC_CTX *mem_ctx,
struct ldb_context *samdb,
struct drsuapi_DsReplicaGetInfo *r,
union drsuapi_DsReplicaInfo *reply,
struct ldb_dn *dn,
uint32_t base_index)
{
WERROR status;
struct replPropertyMetaDataBlob omd_ctr;
struct replPropertyMetaData1 *attr;
struct drsuapi_DsReplicaObjMetaData2Ctr *metadata2;
const struct dsdb_schema *schema;
uint32_t i, j;
DEBUG(0, ("kccdrs_replica_get_info_obj_metadata2() called\n"));
if (!dn) {
return WERR_INVALID_PARAMETER;
}
if (!ldb_dn_validate(dn)) {
return WERR_DS_DRA_BAD_DN;
}
status = get_repl_prop_metadata_ctr(mem_ctx, samdb, dn, &omd_ctr);
W_ERROR_NOT_OK_RETURN(status);
schema = dsdb_get_schema(samdb, reply);
if (!schema) {
DEBUG(0,(__location__": Failed to get the schema\n"));
return WERR_INTERNAL_ERROR;
}
reply->objmetadata2 = talloc_zero(mem_ctx, struct drsuapi_DsReplicaObjMetaData2Ctr);
W_ERROR_HAVE_NO_MEMORY(reply->objmetadata2);
metadata2 = reply->objmetadata2;
metadata2->enumeration_context = 0;
/* For each replicated attribute of the object */
for (i = 0, j = 0; i < omd_ctr.ctr.ctr1.count; i++) {
const struct dsdb_attribute *schema_attr;
uint32_t attr_version;
NTTIME attr_change_time;
uint32_t attr_originating_usn = 0;
/*
attr := attrsSeq[i]
s := AttrStamp(object, attr)
*/
/* get a reference to the attribute on 'omd_ctr' */
attr = &omd_ctr.ctr.ctr1.array[j];
schema_attr = dsdb_attribute_by_attributeID_id(schema, attr->attid);
DEBUG(0, ("attribute_id = %d, attribute_name: %s\n", attr->attid, schema_attr->lDAPDisplayName));
/*
if (attr in Link Attributes of object and
dwInVersion = 2 and DS_REPL_INFO_FLAG_IMPROVE_LINKED_ATTRS in msgIn.ulFlags)
*/
if (schema_attr &&
schema_attr->linkID != 0 && /* Checks if attribute is a linked attribute */
(schema_attr->linkID % 2) == 0 && /* is it a forward link? only forward links have the LinkValueStamp */
r->in.level == 2 &&
(r->in.req->req2.flags & DRSUAPI_DS_LINKED_ATTRIBUTE_FLAG_ACTIVE)) /* on MS-DRSR it is DS_REPL_INFO_FLAG_IMPROVE_LINKED_ATTRS */
{
/*
ls := LinkValueStamp of the most recent
value change in object!attr
*/
status = get_linked_attribute_value_stamp(mem_ctx, samdb, dn, schema_attr->lDAPDisplayName,
&attr_version, &attr_change_time, &attr_originating_usn);
W_ERROR_NOT_OK_RETURN(status);
/*
Aligning to MS-DRSR 4.1.13.3:
's' on the doc is 'attr->originating_change_time' here
'ls' on the doc is 'attr_change_time' here
*/
/* if (ls is more recent than s (based on order in which the change was applied on server)) then */
if (attr_change_time > attr->originating_change_time) {
/*
Improve the stamp with the link value stamp.
s.dwVersion := ls.dwVersion
s.timeChanged := ls.timeChanged
s.uuidOriginating := NULLGUID
s.usnOriginating := ls.usnOriginating
*/
attr->version = attr_version;
attr->originating_change_time = attr_change_time;
attr->originating_invocation_id = GUID_zero();
attr->originating_usn = attr_originating_usn;
}
}
if (i < base_index) {
continue;
}
metadata2->array = talloc_realloc(mem_ctx, metadata2->array,
struct drsuapi_DsReplicaObjMetaData2, j + 1);
W_ERROR_HAVE_NO_MEMORY(metadata2->array);
metadata2->array[j].attribute_name = schema_attr->lDAPDisplayName;
metadata2->array[j].local_usn = attr->local_usn;
metadata2->array[j].originating_change_time = attr->originating_change_time;
metadata2->array[j].originating_invocation_id = attr->originating_invocation_id;
metadata2->array[j].originating_usn = attr->originating_usn;
metadata2->array[j].version = attr->version;
/*
originating_dsa_dn := GetDNFromInvocationID(originating_invocation_id)
GetDNFromInvocationID() should return the DN of the nTDSDSAobject that has the specified invocation ID
See MS-DRSR 4.1.13.3 and 4.1.13.2.1
*/
status = get_dn_from_invocation_id(mem_ctx, samdb,
&attr->originating_invocation_id,
&metadata2->array[j].originating_dsa_dn);
W_ERROR_NOT_OK_RETURN(status);
j++;
metadata2->count = j;
}
return WERR_OK;
}
/*
get cursors info for a specified DN
*/
static WERROR kccdrs_replica_get_info_cursors(TALLOC_CTX *mem_ctx,
struct ldb_context *samdb,
struct drsuapi_DsReplicaGetInfo *r,
union drsuapi_DsReplicaInfo *reply,
struct ldb_dn *dn)
{
int ret;
if (!ldb_dn_validate(dn)) {
return WERR_INVALID_PARAMETER;
}
reply->cursors = talloc(mem_ctx, struct drsuapi_DsReplicaCursorCtr);
W_ERROR_HAVE_NO_MEMORY(reply->cursors);
reply->cursors->reserved = 0;
ret = dsdb_load_udv_v1(samdb, dn, reply->cursors, &reply->cursors->array, &reply->cursors->count);
if (ret != LDB_SUCCESS) {
return WERR_DS_DRA_BAD_NC;
}
return WERR_OK;
}
/*
get cursors2 info for a specified DN
*/
static WERROR kccdrs_replica_get_info_cursors2(TALLOC_CTX *mem_ctx,
struct ldb_context *samdb,
struct drsuapi_DsReplicaGetInfo *r,
union drsuapi_DsReplicaInfo *reply,
struct ldb_dn *dn)
{
int ret;
if (!ldb_dn_validate(dn)) {
return WERR_INVALID_PARAMETER;
}
reply->cursors2 = talloc(mem_ctx, struct drsuapi_DsReplicaCursor2Ctr);
W_ERROR_HAVE_NO_MEMORY(reply->cursors2);
ret = dsdb_load_udv_v2(samdb, dn, reply->cursors2, &reply->cursors2->array, &reply->cursors2->count);
if (ret != LDB_SUCCESS) {
return WERR_DS_DRA_BAD_NC;
}
reply->cursors2->enumeration_context = reply->cursors2->count;
return WERR_OK;
}
/*
get pending ops info for a specified DN
*/
static WERROR kccdrs_replica_get_info_pending_ops(TALLOC_CTX *mem_ctx,
struct ldb_context *samdb,
struct drsuapi_DsReplicaGetInfo *r,
union drsuapi_DsReplicaInfo *reply,
struct ldb_dn *dn)
{
struct timeval now = timeval_current();
if (!ldb_dn_validate(dn)) {
return WERR_INVALID_PARAMETER;
}
reply->pendingops = talloc(mem_ctx, struct drsuapi_DsReplicaOpCtr);
W_ERROR_HAVE_NO_MEMORY(reply->pendingops);
/* claim no pending ops for now */
reply->pendingops->time = timeval_to_nttime(&now);
reply->pendingops->count = 0;
reply->pendingops->array = NULL;
return WERR_OK;
}
struct ncList {
struct ldb_dn *dn;
struct ncList *prev, *next;
};
/*
Fill 'master_nc_list' with the master ncs hosted by this server
*/
static WERROR get_master_ncs(TALLOC_CTX *mem_ctx, struct ldb_context *samdb,
const char *ntds_guid_str, struct ncList **master_nc_list)
{
const char *post_2003_attrs[] = { "msDS-hasMasterNCs", "hasPartialReplicaNCs", NULL };
const char *pre_2003_attrs[] = { "hasMasterNCs", "hasPartialReplicaNCs", NULL };
const char **attrs = post_2003_attrs;
struct ldb_result *res;
struct ncList *nc_list = NULL;
struct ncList *nc_list_elem;
int ret;
unsigned int i;
char *nc_str;
/* In W2003 and greater, msDS-hasMasterNCs attribute lists the writable NC replicas */
ret = ldb_search(samdb, mem_ctx, &res, ldb_get_config_basedn(samdb),
LDB_SCOPE_DEFAULT, post_2003_attrs, "(objectguid=%s)", ntds_guid_str);
if (ret != LDB_SUCCESS) {
DEBUG(0,(__location__ ": Failed objectguid search - %s\n", ldb_errstring(samdb)));
attrs = post_2003_attrs;
ret = ldb_search(samdb, mem_ctx, &res, ldb_get_config_basedn(samdb),
LDB_SCOPE_DEFAULT, pre_2003_attrs, "(objectguid=%s)", ntds_guid_str);
}
if (ret != LDB_SUCCESS) {
DEBUG(0,(__location__ ": Failed objectguid search - %s\n", ldb_errstring(samdb)));
return WERR_INTERNAL_ERROR;
}
if (res->count == 0) {
DEBUG(0,(__location__ ": Failed: objectguid=%s not found\n", ntds_guid_str));
return WERR_INTERNAL_ERROR;
}
for (i = 0; i < res->count; i++) {
struct ldb_message_element *msg_elem;
unsigned int k, a;
for (a=0; attrs[a]; a++) {
msg_elem = ldb_msg_find_element(res->msgs[i], attrs[a]);
if (!msg_elem || msg_elem->num_values == 0) {
continue;
}
for (k = 0; k < msg_elem->num_values; k++) {
/* copy the string on msg_elem->values[k]->data to nc_str */
nc_str = talloc_strndup(mem_ctx, (char *)msg_elem->values[k].data, msg_elem->values[k].length);
W_ERROR_HAVE_NO_MEMORY(nc_str);
nc_list_elem = talloc_zero(mem_ctx, struct ncList);
W_ERROR_HAVE_NO_MEMORY(nc_list_elem);
nc_list_elem->dn = ldb_dn_new(mem_ctx, samdb, nc_str);
W_ERROR_HAVE_NO_MEMORY(nc_list_elem);
DLIST_ADD(nc_list, nc_list_elem);
}
}
}
*master_nc_list = nc_list;
return WERR_OK;
}
/*
Fill 'nc_list' with the ncs list. (MS-DRSR 4.1.13.3)
if the object dn is specified, fill 'nc_list' only with this dn
otherwise, fill 'nc_list' with all master ncs hosted by this server
*/
static WERROR get_ncs_list(TALLOC_CTX *mem_ctx,
struct ldb_context *samdb,
struct kccsrv_service *service,
const char *object_dn_str,
struct ncList **nc_list)
{
WERROR status;
struct ncList *nc_list_elem;
struct ldb_dn *nc_dn;
if (object_dn_str != NULL) {
/* ncs := { object_dn } */
*nc_list = NULL;
nc_dn = ldb_dn_new(mem_ctx, samdb, object_dn_str);
nc_list_elem = talloc_zero(mem_ctx, struct ncList);
W_ERROR_HAVE_NO_MEMORY(nc_list_elem);
nc_list_elem->dn = nc_dn;
DLIST_ADD_END(*nc_list, nc_list_elem);
} else {
/* ncs := getNCs() from ldb database.
* getNCs() must return an array containing
* the DSNames of all NCs hosted by this
* server.
*/
char *ntds_guid_str = GUID_string(mem_ctx, &service->ntds_guid);
W_ERROR_HAVE_NO_MEMORY(ntds_guid_str);
status = get_master_ncs(mem_ctx, samdb, ntds_guid_str, nc_list);
W_ERROR_NOT_OK_RETURN(status);
}
return WERR_OK;
}
/*
Copy the fields from 'reps1' to 'reps2', leaving zeroed the fields on
'reps2' that aren't available on 'reps1'.
*/
static WERROR copy_repsfrom_1_to_2(TALLOC_CTX *mem_ctx,
struct repsFromTo2 **reps2,
struct repsFromTo1 *reps1)
{
struct repsFromTo2* reps;
reps = talloc_zero(mem_ctx, struct repsFromTo2);
W_ERROR_HAVE_NO_MEMORY(reps);
reps->blobsize = reps1->blobsize;
reps->consecutive_sync_failures = reps1->consecutive_sync_failures;
reps->last_attempt = reps1->last_attempt;
reps->last_success = reps1->last_success;
reps->result_last_attempt = reps1->result_last_attempt;
reps->other_info = talloc_zero(mem_ctx, struct repsFromTo2OtherInfo);
W_ERROR_HAVE_NO_MEMORY(reps->other_info);
reps->other_info->dns_name1 = reps1->other_info->dns_name;
reps->replica_flags = reps1->replica_flags;
memcpy(reps->schedule, reps1->schedule, sizeof(reps1->schedule));
reps->reserved = reps1->reserved;
reps->highwatermark = reps1->highwatermark;
reps->source_dsa_obj_guid = reps1->source_dsa_obj_guid;
reps->source_dsa_invocation_id = reps1->source_dsa_invocation_id;
reps->transport_guid = reps1->transport_guid;
*reps2 = reps;
return WERR_OK;
}
static WERROR fill_neighbor_from_repsFrom(TALLOC_CTX *mem_ctx,
struct ldb_context *samdb,
struct ldb_dn *nc_dn,
struct drsuapi_DsReplicaNeighbour *neigh,
struct repsFromTo2 *reps_from)
{
struct ldb_dn *source_dsa_dn;
int ret;
struct ldb_dn *transport_obj_dn = NULL;
neigh->source_dsa_address = reps_from->other_info->dns_name1;
neigh->replica_flags = reps_from->replica_flags;
neigh->last_attempt = reps_from->last_attempt;
neigh->source_dsa_obj_guid = reps_from->source_dsa_obj_guid;
ret = dsdb_find_dn_by_guid(samdb, mem_ctx, &reps_from->source_dsa_obj_guid,
DSDB_SEARCH_SHOW_RECYCLED,
&source_dsa_dn);
if (ret != LDB_SUCCESS) {
DEBUG(0,(__location__ ": Failed to find DN for neighbor GUID %s\n",
GUID_string(mem_ctx, &reps_from->source_dsa_obj_guid)));
return WERR_DS_DRA_INTERNAL_ERROR;
}
neigh->source_dsa_obj_dn = ldb_dn_get_linearized(source_dsa_dn);
neigh->naming_context_dn = ldb_dn_get_linearized(nc_dn);
if (dsdb_find_guid_by_dn(samdb, nc_dn,
&neigh->naming_context_obj_guid)
!= LDB_SUCCESS) {
return WERR_DS_DRA_INTERNAL_ERROR;
}
if (!GUID_all_zero(&reps_from->transport_guid)) {
ret = dsdb_find_dn_by_guid(samdb, mem_ctx, &reps_from->transport_guid,
DSDB_SEARCH_SHOW_RECYCLED,
&transport_obj_dn);
if (ret != LDB_SUCCESS) {
return WERR_DS_DRA_INTERNAL_ERROR;
}
}
neigh->transport_obj_dn = ldb_dn_get_linearized(transport_obj_dn);
neigh->source_dsa_invocation_id = reps_from->source_dsa_invocation_id;
neigh->transport_obj_guid = reps_from->transport_guid;
neigh->highest_usn = reps_from->highwatermark.highest_usn;
neigh->tmp_highest_usn = reps_from->highwatermark.tmp_highest_usn;
neigh->last_success = reps_from->last_success;
neigh->result_last_attempt = reps_from->result_last_attempt;
neigh->consecutive_sync_failures = reps_from->consecutive_sync_failures;
neigh->reserved = 0; /* Unused. MUST be 0. */
return WERR_OK;
}
/*
Get the inbound neighbours of this DC
See details on MS-DRSR 4.1.13.3, for infoType DS_REPL_INFO_NEIGHBORS
*/
static WERROR kccdrs_replica_get_info_neighbours(TALLOC_CTX *mem_ctx,
struct kccsrv_service *service,
struct ldb_context *samdb,
struct drsuapi_DsReplicaGetInfo *r,
union drsuapi_DsReplicaInfo *reply,
uint32_t base_index,
struct GUID req_src_dsa_guid,
const char *object_dn_str)
{
WERROR status;
uint32_t i, j;
struct ldb_dn *nc_dn = NULL;
struct ncList *p_nc_list = NULL;
struct repsFromToBlob *reps_from_blob = NULL;
struct repsFromTo2 *reps_from = NULL;
uint32_t c_reps_from;
uint32_t i_rep;
struct ncList *nc_list = NULL;
status = get_ncs_list(mem_ctx, samdb, service, object_dn_str, &nc_list);
W_ERROR_NOT_OK_RETURN(status);
i = j = 0;
reply->neighbours = talloc_zero(mem_ctx, struct drsuapi_DsReplicaNeighbourCtr);
W_ERROR_HAVE_NO_MEMORY(reply->neighbours);
reply->neighbours->reserved = 0;
reply->neighbours->count = 0;
/* foreach nc in ncs */
for (p_nc_list = nc_list; p_nc_list != NULL; p_nc_list = p_nc_list->next) {
nc_dn = p_nc_list->dn;
/* load the nc's repsFromTo blob */
status = dsdb_loadreps(samdb, mem_ctx, nc_dn, "repsFrom",
&reps_from_blob, &c_reps_from);
W_ERROR_NOT_OK_RETURN(status);
/* foreach r in nc!repsFrom */
for (i_rep = 0; i_rep < c_reps_from; i_rep++) {
/* put all info on reps_from */
if (reps_from_blob[i_rep].version == 1) {
status = copy_repsfrom_1_to_2(mem_ctx, &reps_from,
&reps_from_blob[i_rep].ctr.ctr1);
W_ERROR_NOT_OK_RETURN(status);
} else { /* reps_from->version == 2 */
reps_from = &reps_from_blob[i_rep].ctr.ctr2;
}
if (GUID_all_zero(&req_src_dsa_guid) ||
GUID_equal(&req_src_dsa_guid,
&reps_from->source_dsa_obj_guid)) {
if (i >= base_index) {
struct drsuapi_DsReplicaNeighbour neigh;
ZERO_STRUCT(neigh);
status = fill_neighbor_from_repsFrom(mem_ctx, samdb,
nc_dn, &neigh,
reps_from);
W_ERROR_NOT_OK_RETURN(status);
/* append the neighbour to the neighbours array */
reply->neighbours->array = talloc_realloc(mem_ctx,
reply->neighbours->array,
struct drsuapi_DsReplicaNeighbour,
reply->neighbours->count + 1);
reply->neighbours->array[reply->neighbours->count] = neigh;
reply->neighbours->count++;
j++;
}
i++;
}
}
}
return WERR_OK;
}
static WERROR fill_neighbor_from_repsTo(TALLOC_CTX *mem_ctx,
struct ldb_context *samdb, struct ldb_dn *nc_dn,
struct drsuapi_DsReplicaNeighbour *neigh,
struct repsFromTo2 *reps_to)
{
int ret;
struct ldb_dn *source_dsa_dn;
neigh->source_dsa_address = reps_to->other_info->dns_name1;
neigh->replica_flags = reps_to->replica_flags;
neigh->last_attempt = reps_to->last_attempt;
neigh->source_dsa_obj_guid = reps_to->source_dsa_obj_guid;
ret = dsdb_find_dn_by_guid(samdb, mem_ctx,
&reps_to->source_dsa_obj_guid,
DSDB_SEARCH_SHOW_RECYCLED,
&source_dsa_dn);
if (ret != LDB_SUCCESS) {
DEBUG(0,(__location__ ": Failed to find DN for neighbor GUID %s\n",
GUID_string(mem_ctx, &reps_to->source_dsa_obj_guid)));
return WERR_DS_DRA_INTERNAL_ERROR;
}
neigh->source_dsa_obj_dn = ldb_dn_get_linearized(source_dsa_dn);
neigh->naming_context_dn = ldb_dn_get_linearized(nc_dn);
ret = dsdb_find_guid_by_dn(samdb, nc_dn,
&neigh->naming_context_obj_guid);
if (ret != LDB_SUCCESS) {
DEBUG(0,(__location__ ": Failed to find GUID for DN %s\n",
ldb_dn_get_linearized(nc_dn)));
return WERR_DS_DRA_INTERNAL_ERROR;
}
neigh->last_success = reps_to->last_success;
neigh->result_last_attempt = reps_to->result_last_attempt;
neigh->consecutive_sync_failures = reps_to->consecutive_sync_failures;
return WERR_OK;
}
/*
Get the outbound neighbours of this DC
See details on MS-DRSR 4.1.13.3, for infoType DS_REPL_INFO_REPSTO
*/
static WERROR kccdrs_replica_get_info_repsto(TALLOC_CTX *mem_ctx,
struct kccsrv_service *service,
struct ldb_context *samdb,
struct drsuapi_DsReplicaGetInfo *r,
union drsuapi_DsReplicaInfo *reply,
uint32_t base_index,
struct GUID req_src_dsa_guid,
const char *object_dn_str)
{
WERROR status;
uint32_t i, j;
struct ncList *p_nc_list = NULL;
struct ldb_dn *nc_dn = NULL;
struct repsFromToBlob *reps_to_blob;
struct repsFromTo2 *reps_to;
uint32_t c_reps_to;
uint32_t i_rep;
struct ncList *nc_list = NULL;
status = get_ncs_list(mem_ctx, samdb, service, object_dn_str, &nc_list);
W_ERROR_NOT_OK_RETURN(status);
i = j = 0;
reply->repsto = talloc_zero(mem_ctx, struct drsuapi_DsReplicaNeighbourCtr);
W_ERROR_HAVE_NO_MEMORY(reply->repsto);
reply->repsto->reserved = 0;
reply->repsto->count = 0;
/* foreach nc in ncs */
for (p_nc_list = nc_list; p_nc_list != NULL; p_nc_list = p_nc_list->next) {
nc_dn = p_nc_list->dn;
status = dsdb_loadreps(samdb, mem_ctx, nc_dn, "repsTo",
&reps_to_blob, &c_reps_to);
W_ERROR_NOT_OK_RETURN(status);
/* foreach r in nc!repsTo */
for (i_rep = 0; i_rep < c_reps_to; i_rep++) {
struct drsuapi_DsReplicaNeighbour neigh;
ZERO_STRUCT(neigh);
/* put all info on reps_to */
if (reps_to_blob[i_rep].version == 1) {
status = copy_repsfrom_1_to_2(mem_ctx,
&reps_to,
&reps_to_blob[i_rep].ctr.ctr1);
W_ERROR_NOT_OK_RETURN(status);
} else { /* reps_to->version == 2 */
reps_to = &reps_to_blob[i_rep].ctr.ctr2;
}
if (i >= base_index) {
status = fill_neighbor_from_repsTo(mem_ctx,
samdb, nc_dn,
&neigh, reps_to);
W_ERROR_NOT_OK_RETURN(status);
/* append the neighbour to the neighbours array */
reply->repsto->array = talloc_realloc(mem_ctx,
reply->repsto->array,
struct drsuapi_DsReplicaNeighbour,
reply->repsto->count + 1);
reply->repsto->array[reply->repsto->count++] = neigh;
j++;
}
i++;
}
}
return WERR_OK;
}
NTSTATUS kccdrs_replica_get_info(struct irpc_message *msg,
struct drsuapi_DsReplicaGetInfo *req)
{
WERROR status;
struct drsuapi_DsReplicaGetInfoRequest1 *req1;
struct drsuapi_DsReplicaGetInfoRequest2 *req2;
uint32_t base_index;
union drsuapi_DsReplicaInfo *reply;
struct GUID req_src_dsa_guid;
const char *object_dn_str = NULL;
struct kccsrv_service *service;
struct ldb_context *samdb;
TALLOC_CTX *mem_ctx;
enum drsuapi_DsReplicaInfoType info_type;
service = talloc_get_type(msg->private_data, struct kccsrv_service);
samdb = service->samdb;
mem_ctx = talloc_new(msg);
NT_STATUS_HAVE_NO_MEMORY(mem_ctx);
#if 0
NDR_PRINT_IN_DEBUG(drsuapi_DsReplicaGetInfo, req);
#endif
/* check request version */
if (req->in.level != DRSUAPI_DS_REPLICA_GET_INFO &&
req->in.level != DRSUAPI_DS_REPLICA_GET_INFO2)
{
DEBUG(1,(__location__ ": Unsupported DsReplicaGetInfo level %u\n",
req->in.level));
status = WERR_REVISION_MISMATCH;
goto done;
}
if (req->in.level == DRSUAPI_DS_REPLICA_GET_INFO) {
req1 = &req->in.req->req1;
base_index = 0;
info_type = req1->info_type;
object_dn_str = req1->object_dn;
req_src_dsa_guid = req1->source_dsa_guid;
} else { /* r->in.level == DRSUAPI_DS_REPLICA_GET_INFO2 */
req2 = &req->in.req->req2;
if (req2->enumeration_context == 0xffffffff) {
/* no more data is available */
status = WERR_NO_MORE_ITEMS; /* on MS-DRSR it is ERROR_NO_MORE_ITEMS */
goto done;
}
base_index = req2->enumeration_context;
info_type = req2->info_type;
object_dn_str = req2->object_dn;
req_src_dsa_guid = req2->source_dsa_guid;
}
reply = req->out.info;
*req->out.info_type = info_type;
/* Based on the infoType requested, retrieve the corresponding
* information and construct the response message */
switch (info_type) {
case DRSUAPI_DS_REPLICA_INFO_NEIGHBORS:
status = kccdrs_replica_get_info_neighbours(mem_ctx, service, samdb, req,
reply, base_index, req_src_dsa_guid,
object_dn_str);
break;
case DRSUAPI_DS_REPLICA_INFO_REPSTO:
status = kccdrs_replica_get_info_repsto(mem_ctx, service, samdb, req,
reply, base_index, req_src_dsa_guid,
object_dn_str);
break;
case DRSUAPI_DS_REPLICA_INFO_CURSORS: /* On MS-DRSR it is DS_REPL_INFO_CURSORS_FOR_NC */
status = kccdrs_replica_get_info_cursors(mem_ctx, samdb, req, reply,
ldb_dn_new(mem_ctx, samdb, object_dn_str));
break;
case DRSUAPI_DS_REPLICA_INFO_CURSORS2: /* On MS-DRSR it is DS_REPL_INFO_CURSORS_2_FOR_NC */
status = kccdrs_replica_get_info_cursors2(mem_ctx, samdb, req, reply,
ldb_dn_new(mem_ctx, samdb, object_dn_str));
break;
case DRSUAPI_DS_REPLICA_INFO_PENDING_OPS:
status = kccdrs_replica_get_info_pending_ops(mem_ctx, samdb, req, reply,
ldb_dn_new(mem_ctx, samdb, object_dn_str));
break;
case DRSUAPI_DS_REPLICA_INFO_CURSORS3: /* On MS-DRSR it is DS_REPL_INFO_CURSORS_3_FOR_NC */
status = WERR_NOT_SUPPORTED;
break;
case DRSUAPI_DS_REPLICA_INFO_UPTODATE_VECTOR_V1: /* On MS-DRSR it is DS_REPL_INFO_UPTODATE_VECTOR_V1 */
status = WERR_NOT_SUPPORTED;
break;
case DRSUAPI_DS_REPLICA_INFO_OBJ_METADATA: /* On MS-DRSR it is DS_REPL_INFO_METADATA_FOR_OBJ */
/*
* It should be too complicated to filter the metadata2 to remove the additional data
* as metadata2 is a superset of metadata
*/
status = WERR_NOT_SUPPORTED;
break;
case DRSUAPI_DS_REPLICA_INFO_OBJ_METADATA2: /* On MS-DRSR it is DS_REPL_INFO_METADATA_FOR_OBJ */
status = kccdrs_replica_get_info_obj_metadata2(mem_ctx, samdb, req, reply,
ldb_dn_new(mem_ctx, samdb, object_dn_str), base_index);
break;
case DRSUAPI_DS_REPLICA_INFO_ATTRIBUTE_VALUE_METADATA: /* On MS-DRSR it is DS_REPL_INFO_METADATA_FOR_ATTR_VALUE */
status = WERR_NOT_SUPPORTED;
break;
case DRSUAPI_DS_REPLICA_INFO_ATTRIBUTE_VALUE_METADATA2: /* On MS-DRSR it is DS_REPL_INFO_METADATA_2_FOR_ATTR_VALUE */
status = WERR_NOT_SUPPORTED;
break;
case DRSUAPI_DS_REPLICA_INFO_KCC_DSA_CONNECT_FAILURES: /* On MS-DRSR it is DS_REPL_INFO_KCC_DSA_CONNECT_FAILURES */
status = WERR_NOT_SUPPORTED;
break;
case DRSUAPI_DS_REPLICA_INFO_KCC_DSA_LINK_FAILURES: /* On MS-DRSR it is DS_REPL_INFO_KCC_LINK_FAILURES */
status = WERR_NOT_SUPPORTED;
break;
case DRSUAPI_DS_REPLICA_INFO_CLIENT_CONTEXTS: /* On MS-DRSR it is DS_REPL_INFO_CLIENT_CONTEXTS */
status = WERR_NOT_SUPPORTED;
break;
case DRSUAPI_DS_REPLICA_INFO_SERVER_OUTGOING_CALLS: /* On MS-DRSR it is DS_REPL_INFO_SERVER_OUTGOING_CALLS */
status = WERR_NOT_SUPPORTED;
break;
default:
DEBUG(1,(__location__ ": Unsupported DsReplicaGetInfo info_type %u\n",
info_type));
status = WERR_INVALID_LEVEL;
break;
}
done:
/* put the status on the result field of the reply */
req->out.result = status;
#if 0
NDR_PRINT_OUT_DEBUG(drsuapi_DsReplicaGetInfo, req);
#endif
return NT_STATUS_OK;
}