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/*
Unix SMB/CIFS implementation.
Implements functions offered by repadmin.exe tool under Windows
Copyright (C) Kamen Mazdrashki <kamen.mazdrashki@postpath.com> 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 "utils/net/net.h"
#include "net_drs.h"
#include "lib/ldb/include/ldb.h"
static bool net_drs_kcc_site_info(struct net_drs_context *drs_ctx,
const char **site_name,
uint32_t *site_options)
{
struct ldb_dn *dn;
const struct ldb_val *ldb_val;
TALLOC_CTX *mem_ctx;
int ret;
struct ldb_result *ldb_res;
static const char *attrs[] = {
"options",
"whenChanged",
NULL
};
mem_ctx = talloc_new(drs_ctx);
/* get dsServiceName, which is NTDS Settings
* object for the server
* e.g.: CN=NTDS Settings,CN=<DC_NAME>,CN=Servers,CN=<SITE_NAME>,CN=Sites,<CONFIG> */
dn = ldb_msg_find_attr_as_dn(drs_ctx->ldap.ldb, mem_ctx, drs_ctx->ldap.rootdse, "dsServiceName");
if (!dn) {
d_printf("No dsServiceName value in RootDSE!\n");
goto failed;
}
/* work out site name */
if (!ldb_dn_remove_child_components(dn, 3)) {
d_printf("Failed to find Site DN.\n");
goto failed;
}
ldb_val = ldb_dn_get_rdn_val(dn);
if (!ldb_val) {
d_printf("Failed to get site name.\n");
goto failed;
}
*site_name = talloc_strndup(drs_ctx, (const char*)ldb_val->data, ldb_val->length);
/* get 'NTDS Site Settings' */
if (!ldb_dn_add_child_fmt(dn, "CN=NTDS Site Settings")) {
d_printf("Failed to create NTDS Site Settings DN.\n");
goto failed;
}
ret = ldb_search(drs_ctx->ldap.ldb, mem_ctx, &ldb_res,
dn, LDB_SCOPE_BASE, attrs, "(objectClass=*)");
if (ret != LDB_SUCCESS) {
d_printf("Failed to get Site object\n");
goto failed;
}
if (ldb_res->count != 1) {
d_printf("Error: returned %d messages for Site object.\n", ldb_res->count);
goto failed;
}
*site_options = ldb_msg_find_attr_as_uint(ldb_res->msgs[0], "options", 0);
talloc_free(mem_ctx);
return true;
failed:
talloc_free(mem_ctx);
return false;
}
/**
* 'net drs kcc' command entry point
*/
int net_drs_kcc_cmd(struct net_context *ctx, int argc, const char **argv)
{
NTSTATUS status;
struct net_drs_context *drs_ctx;
struct drsuapi_DsBindInfo48 *info48;
struct drsuapi_DsExecuteKCC req;
union drsuapi_DsExecuteKCCRequest kcc_req;
const char *site_name;
uint32_t site_options;
/* only one arg expected */
if (argc != 1) {
return net_drs_kcc_usage(ctx, argc, argv);
}
if (!net_drs_create_context(ctx, argv[0], &drs_ctx)) {
return -1;
}
info48 = &drs_ctx->info48;
/* check if target DC supports ExecuteKCC */
if (!(info48->supported_extensions & DRSUAPI_SUPPORTED_EXTENSION_KCC_EXECUTE)) {
d_printf("%s does not support EXECUTE_KCC extension.\n", drs_ctx->dc_name);
goto failed;
}
/* gather some Site info */
if (!net_drs_kcc_site_info(drs_ctx, &site_name, &site_options)) {
goto failed;
}
d_printf("%s\n", site_name);
if (site_options) {
/* TODO: print meaningfull site options here */
d_printf("Current Site Options: 0x%X\n", site_options);
} else {
d_printf("Current Site Options: (none)\n");
}
/* execute KCC */
ZERO_STRUCT(req);
ZERO_STRUCT(kcc_req);
req.in.bind_handle = &drs_ctx->bind_handle;
req.in.level = 1;
req.in.req = &kcc_req;
status = dcerpc_drsuapi_DsExecuteKCC(drs_ctx->drs_pipe, drs_ctx, &req);
if (!NT_STATUS_IS_OK(status)) {
const char *errstr = nt_errstr(status);
if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
errstr = dcerpc_errstr(drs_ctx, drs_ctx->drs_pipe->last_fault_code);
}
d_printf("dcerpc_drsuapi_DsExecuteKCC failed - %s.\n", errstr);
goto failed;
} else if (!W_ERROR_IS_OK(req.out.result)) {
d_printf("DsExecuteKCC failed - %s.\n", win_errstr(req.out.result));
goto failed;
}
d_printf("Consistency check on %s successful.\n", drs_ctx->dc_name);
talloc_free(drs_ctx);
return 0;
failed:
talloc_free(drs_ctx);
return -1;
}
/**
* 'net drs kcc' usage
*/
int net_drs_kcc_usage(struct net_context *ctx, int argc, const char **argv)
{
d_printf("net drs kcc <DC_NAME>\n");
return 0;
}
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