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authorCrístian Deives <cristiandeives@gmail.com>2009-11-30 20:12:24 +1100
committerAndrew Tridgell <tridge@samba.org>2009-11-30 20:22:13 +1100
commit1cf48022afab79e1fc462b18032d0e497ed15ecf (patch)
tree8139dc12a9da62465acdf1beaa47f6d5ae57a36f /source4/dsdb
parentbed9efa6cda17ecca91bdf71227ec656b94dcf94 (diff)
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s4-drs: add deletion of old connections
the nTDSConnection objects that are not needed anymore will be deleted. the function kccsrv_delete_connection wasn't tested yet. Signed-off-by: Andrew Tridgell <tridge@samba.org>
Diffstat (limited to 'source4/dsdb')
-rw-r--r--source4/dsdb/kcc/kcc_connection.c169
-rw-r--r--source4/dsdb/kcc/kcc_connection.h38
-rw-r--r--source4/dsdb/kcc/kcc_periodic.c20
3 files changed, 190 insertions, 37 deletions
diff --git a/source4/dsdb/kcc/kcc_connection.c b/source4/dsdb/kcc/kcc_connection.c
index 762972b993..ee9a05a21e 100644
--- a/source4/dsdb/kcc/kcc_connection.c
+++ b/source4/dsdb/kcc/kcc_connection.c
@@ -25,6 +25,7 @@
#include "auth/auth.h"
#include "smbd/service.h"
#include "lib/messaging/irpc.h"
+#include "dsdb/kcc/kcc_connection.h"
#include "dsdb/kcc/kcc_service.h"
#include "lib/ldb/include/ldb_errors.h"
#include "../lib/util/dlinklist.h"
@@ -33,18 +34,14 @@
#include "librpc/gen_ndr/ndr_drsblobs.h"
#include "param/param.h"
-void kccsrv_apply_connections(struct ldb_dn **connections)
-{
-}
-
-void kccsrv_create_connection(struct kccsrv_service *s, struct repsFromTo1 *r1)
+static int kccsrv_add_connection(struct kccsrv_service *s,
+ struct kcc_connection *conn)
{
struct ldb_message *msg;
TALLOC_CTX *tmp_ctx;
struct ldb_dn *new_dn, *server_dn;
struct GUID guid;
- const struct GUID *invocation_id;
- struct ldb_val schedule_val;
+ /* struct ldb_val schedule_val; */
int ret;
bool ok;
@@ -52,34 +49,38 @@ void kccsrv_create_connection(struct kccsrv_service *s, struct repsFromTo1 *r1)
new_dn = samdb_ntds_settings_dn(s->samdb);
if (!new_dn) {
DEBUG(0, ("failed to find NTDS settings\n"));
+ ret = LDB_ERR_OPERATIONS_ERROR;
+ goto done;
+ }
+ new_dn = ldb_dn_copy(tmp_ctx, new_dn);
+ if (!new_dn) {
+ DEBUG(0, ("failed to copy NTDS settings\n"));
+ ret = LDB_ERR_OPERATIONS_ERROR;
goto done;
}
- invocation_id = samdb_ntds_invocation_id(s->samdb);
guid = GUID_random();
ok = ldb_dn_add_child_fmt(new_dn, "CN=%s", GUID_string(tmp_ctx, &guid));
if (!ok) {
DEBUG(0, ("failed to create nTDSConnection DN\n"));
+ ret = LDB_ERR_INVALID_DN_SYNTAX;
goto done;
}
ret = dsdb_find_dn_by_guid(s->samdb, tmp_ctx, GUID_string(tmp_ctx,
- &r1->source_dsa_obj_guid), &server_dn);
+ &conn->dsa_guid), &server_dn);
if (ret != LDB_SUCCESS) {
DEBUG(0, ("failed to find fromServer DN '%s'\n",
- GUID_string(tmp_ctx, &r1->source_dsa_obj_guid)));
+ GUID_string(tmp_ctx, &conn->dsa_guid)));
goto done;
}
- schedule_val = data_blob_const(r1->schedule, sizeof(r1->schedule));
+ /*schedule_val = data_blob_const(r1->schedule, sizeof(r1->schedule));*/
msg = ldb_msg_new(tmp_ctx);
msg->dn = new_dn;
- ldb_msg_add_string(msg, "invocationID",
- GUID_string(tmp_ctx, invocation_id));
ldb_msg_add_string(msg, "objectClass", "nTDSConnection");
ldb_msg_add_string(msg, "showInAdvancedViewOnly", "TRUE");
ldb_msg_add_string(msg, "enabledConnection", "TRUE");
- /* ldb_msg_add_dn(msg, "fromServer", server_dn); */
- ldb_msg_add_string(msg, "fromServer", ldb_dn_get_linearized(server_dn));
- ldb_msg_add_value(msg, "schedule", &schedule_val, NULL);
+ ldb_msg_add_linearized_dn(msg, "fromServer", server_dn);
+ /* ldb_msg_add_value(msg, "schedule", &schedule_val, NULL); */
ldb_msg_add_string(msg, "options", "1");
ret = ldb_add(s->samdb, msg);
@@ -93,32 +94,134 @@ void kccsrv_create_connection(struct kccsrv_service *s, struct repsFromTo1 *r1)
done:
talloc_free(tmp_ctx);
+ return ret;
}
-struct ldb_dn **kccsrv_find_connections(struct kccsrv_service *s,
- TALLOC_CTX *mem_ctx)
+static int kccsrv_delete_connection(struct kccsrv_service *s,
+ struct kcc_connection *conn)
+{
+ TALLOC_CTX *tmp_ctx;
+ struct ldb_dn *dn;
+ int ret;
+
+ tmp_ctx = talloc_new(s);
+ ret = dsdb_find_dn_by_guid(s->samdb, tmp_ctx,
+ GUID_string(tmp_ctx, &conn->obj_guid), &dn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0, ("failed to find nTDSConnection's DN: %s\n",
+ ldb_strerror(ret)));
+ goto done;
+ }
+
+ ret = ldb_delete(s->samdb, dn);
+ if (ret == LDB_SUCCESS) {
+ DEBUG(2, ("deleted nTDSConnection object '%s'\n",
+ ldb_dn_get_linearized(dn)));
+ } else {
+ DEBUG(0, ("failed to delete an nTDSConnection object: %s\n",
+ ldb_strerror(ret)));
+ }
+
+done:
+ talloc_free(tmp_ctx);
+ return ret;
+}
+
+void kccsrv_apply_connections(struct kccsrv_service *s,
+ struct kcc_connection_list *ntds_list,
+ struct kcc_connection_list *dsa_list)
+{
+ int i, j, deleted = 0, added = 0, ret;
+
+ for (i = 0; i < ntds_list->count; i++) {
+ struct kcc_connection *ntds = &ntds_list->servers[i];
+ for (j = 0; j < dsa_list->count; j++) {
+ struct kcc_connection *dsa = &dsa_list->servers[j];
+ if (GUID_equal(&ntds->dsa_guid, &dsa->dsa_guid)) {
+ break;
+ }
+ }
+ if (j == dsa_list->count) {
+ ret = kccsrv_delete_connection(s, ntds);
+ if (ret == LDB_SUCCESS) {
+ deleted++;
+ }
+ }
+ }
+ DEBUG(4, ("%d connections have been deleted\n", deleted));
+
+ for (i = 0; i < dsa_list->count; i++) {
+ struct kcc_connection *dsa = &dsa_list->servers[i];
+ for (j = 0; j < ntds_list->count; j++) {
+ struct kcc_connection *ntds = &ntds_list->servers[j];
+ if (GUID_equal(&dsa->dsa_guid, &ntds->dsa_guid)) {
+ break;
+ }
+ }
+ if (j == ntds_list->count) {
+ ret = kccsrv_add_connection(s, dsa);
+ if (ret == LDB_SUCCESS) {
+ added++;
+ }
+ }
+ }
+ DEBUG(4, ("%d connections have been added\n", added));
+}
+
+struct kcc_connection_list *kccsrv_find_connections(struct kccsrv_service *s,
+ TALLOC_CTX *mem_ctx)
{
- struct ldb_result *res;
int ret, i;
- const char *attrs[] = { "distinguishedName", NULL };
- struct ldb_dn **connections;
+ struct ldb_dn *base_dn;
+ struct ldb_result *res;
+ const char *attrs[] = { "objectGUID", "fromServer", NULL };
+ struct kcc_connection_list *list;
+
+ base_dn = samdb_ntds_settings_dn(s->samdb);
+ if (!base_dn) {
+ DEBUG(0, ("failed to find our own NTDS settings DN\n"));
+ return NULL;
+ }
- ret = ldb_search(s->samdb, mem_ctx, &res, s->config_dn,
- LDB_SCOPE_ONELEVEL, attrs, "objectClass=nTDSDSA");
+ ret = ldb_search(s->samdb, mem_ctx, &res, base_dn, LDB_SCOPE_ONELEVEL,
+ attrs, "objectClass=nTDSConnection");
if (ret != LDB_SUCCESS) {
- DEBUG(0, ("failed nTDSDSA search: %s\n", ldb_strerror(ret)));
+ DEBUG(0, ("failed nTDSConnection search: %s\n",
+ ldb_strerror(ret)));
return NULL;
}
+ list = talloc(mem_ctx, struct kcc_connection_list);
+ if (!list) {
+ DEBUG(0, ("out of memory"));
+ return NULL;
+ }
+ list->servers = talloc_array(mem_ctx, struct kcc_connection,
+ res->count);
+ if (!list->servers) {
+ DEBUG(0, ("out of memory"));
+ return NULL;
+ }
+ list->count = 0;
+
for (i = 0; i < res->count; i++) {
- connections = talloc_realloc(mem_ctx, connections,
- struct ldb_dn *, i + 1);
- connections[i] = samdb_result_dn(s->samdb, mem_ctx,
- res->msgs[i],
- "distinguishedName", NULL);
+ struct ldb_dn *server_dn;
+
+ list->servers[i].obj_guid = samdb_result_guid(res->msgs[i],
+ "objectGUID");
+ server_dn = samdb_result_dn(s->samdb, mem_ctx, res->msgs[i],
+ "fromServer", NULL);
+ ret = dsdb_find_guid_by_dn(s->samdb, server_dn,
+ &list->servers[i].dsa_guid);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0, ("failed to find connection server's GUID"
+ "by DN=%s: %s\n",
+ ldb_dn_get_linearized(server_dn),
+ ldb_strerror(ret)));
+ continue;
+ }
+ list->count++;
}
- connections = talloc_realloc(mem_ctx, connections, struct ldb_dn *,
- i + 1);
- connections[i] = NULL;
- return connections;
+ DEBUG(4, ("found %d existing nTDSConnection objects\n", list->count));
+ return list;
}
diff --git a/source4/dsdb/kcc/kcc_connection.h b/source4/dsdb/kcc/kcc_connection.h
new file mode 100644
index 0000000000..8dcd0b2dbb
--- /dev/null
+++ b/source4/dsdb/kcc/kcc_connection.h
@@ -0,0 +1,38 @@
+/*
+ Unix SMB/CIFS mplementation.
+
+ KCC service
+
+ Copyright (C) Crístian Deives 2009
+ based on drepl service code
+
+ 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/>.
+
+*/
+
+#ifndef _DSDB_REPL_KCC_CONNECTION_H_
+#define _DSDB_REPL_KCC_CONNECTION_H_
+
+struct kcc_connection {
+ struct GUID obj_guid;
+ struct GUID dsa_guid;
+ uint8_t schedule[84];
+};
+
+struct kcc_connection_list {
+ unsigned count;
+ struct kcc_connection *servers;
+};
+
+#endif /* _DSDB_REPL_KCC_CONNECTION_H_ */
diff --git a/source4/dsdb/kcc/kcc_periodic.c b/source4/dsdb/kcc/kcc_periodic.c
index 20deac49c5..d24e5e90a5 100644
--- a/source4/dsdb/kcc/kcc_periodic.c
+++ b/source4/dsdb/kcc/kcc_periodic.c
@@ -26,6 +26,7 @@
#include "auth/auth.h"
#include "smbd/service.h"
#include "lib/messaging/irpc.h"
+#include "dsdb/kcc/kcc_connection.h"
#include "dsdb/kcc/kcc_service.h"
#include "lib/ldb/include/ldb_errors.h"
#include "../lib/util/dlinklist.h"
@@ -122,7 +123,7 @@ NTSTATUS kccsrv_simple_update(struct kccsrv_service *s, TALLOC_CTX *mem_ctx)
const char *attrs[] = { "objectGUID", "invocationID", NULL };
struct repsFromToBlob *reps = NULL;
uint32_t count = 0;
- struct ldb_dn **connections;
+ struct kcc_connection_list *ntds_conn, *dsa_conn;
ret = ldb_search(s->samdb, mem_ctx, &res, s->config_dn, LDB_SCOPE_SUBTREE,
attrs, "objectClass=nTDSDSA");
@@ -131,6 +132,11 @@ NTSTATUS kccsrv_simple_update(struct kccsrv_service *s, TALLOC_CTX *mem_ctx)
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
+ /* get the current list of connections */
+ ntds_conn = kccsrv_find_connections(s, mem_ctx);
+
+ dsa_conn = talloc_zero(mem_ctx, struct kcc_connection_list);
+
for (i=0; i<res->count; i++) {
struct repsFromTo1 *r1;
struct GUID ntds_guid, invocation_id;
@@ -161,12 +167,18 @@ NTSTATUS kccsrv_simple_update(struct kccsrv_service *s, TALLOC_CTX *mem_ctx)
DRSUAPI_DS_REPLICA_NEIGHBOUR_SYNC_ON_STARTUP |
DRSUAPI_DS_REPLICA_NEIGHBOUR_DO_SCHEDULED_SYNCS;
memset(r1->schedule, 0x11, sizeof(r1->schedule));
- /* kccsrv_create_connection(s, r1); */
+
+ dsa_conn->servers = talloc_realloc(dsa_conn, dsa_conn->servers,
+ struct kcc_connection,
+ dsa_conn->count + 1);
+ NT_STATUS_HAVE_NO_MEMORY(dsa_conn->servers);
+ dsa_conn->servers[dsa_conn->count].dsa_guid = r1->source_dsa_obj_guid;
+ dsa_conn->count++;
+
count++;
}
- connections = kccsrv_find_connections(s, mem_ctx);
- kccsrv_apply_connections(connections);
+ kccsrv_apply_connections(s, ntds_conn, dsa_conn);
return kccsrv_add_repsFrom(s, mem_ctx, reps, count);
}