diff options
| -rw-r--r-- | source4/utils/net/config.mk | 3 | ||||
| -rw-r--r-- | source4/utils/net/drs/net_drs.c | 5 | ||||
| -rw-r--r-- | source4/utils/net/drs/net_drs_kcc.c | 171 |
3 files changed, 177 insertions, 2 deletions
diff --git a/source4/utils/net/config.mk b/source4/utils/net/config.mk index 70c6bafd0a..e3dfb35ce0 100644 --- a/source4/utils/net/config.mk +++ b/source4/utils/net/config.mk @@ -14,7 +14,8 @@ PRIVATE_DEPENDENCIES = \ net_drs_OBJ_FILES = $(addprefix $(utilssrcdir)/net/drs/, \ net_drs.o \ - net_drs_bind.o) + net_drs_bind.o \ + net_drs_kcc.o) $(eval $(call proto_header_template,$(utilssrcdir)/net/drs/net_drs_proto.h,$(net_drs_OBJ_FILES:.o=.c))) diff --git a/source4/utils/net/drs/net_drs.c b/source4/utils/net/drs/net_drs.c index 547d642bfb..7772d83ace 100644 --- a/source4/utils/net/drs/net_drs.c +++ b/source4/utils/net/drs/net_drs.c @@ -34,6 +34,8 @@ */ static const struct net_functable net_drs_functable[] = { { "bind", "Display replication features for a domain controller\n", net_drs_bind_cmd, net_drs_bind_usage }, + { "kcc", "Forces the KCC to recalculate replication topology for a specified domain controller\n", + net_drs_kcc_cmd, net_drs_kcc_usage }, { NULL, NULL } }; @@ -53,7 +55,8 @@ int net_drs_usage(struct net_context *ctx, int argc, const char **argv) d_printf("net drs <command> [options]\n"); d_printf("\n"); d_printf("Currently implemented commands:\n"); - d_printf(" bind - Display DC replication features"); + d_printf(" bind - Display DC replication features\n"); + d_printf(" kcc - Forces the KCC to recalculate replication topology for a specified domain controller\n"); return 0; } diff --git a/source4/utils/net/drs/net_drs_kcc.c b/source4/utils/net/drs/net_drs_kcc.c new file mode 100644 index 0000000000..fb2c661d9b --- /dev/null +++ b/source4/utils/net/drs/net_drs_kcc.c @@ -0,0 +1,171 @@ +/* + 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; +} |