/* Unix SMB/CIFS implementation. Command backend for wbinfo --getdcname Copyright (C) Volker Lendecke 2005 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 "libcli/composite/composite.h" #include "winbind/wb_server.h" #include "smbd/service_task.h" #include "librpc/gen_ndr/ndr_netlogon_c.h" struct cmd_getdcname_state { struct composite_context *ctx; const char *domain_name; struct netr_GetAnyDCName g; }; static void getdcname_recv_domain(struct composite_context *ctx); static void getdcname_recv_dcname(struct rpc_request *req); struct composite_context *wb_cmd_getdcname_send(TALLOC_CTX *mem_ctx, struct wbsrv_service *service, const char *domain_name) { struct composite_context *result, *ctx; struct cmd_getdcname_state *state; result = composite_create(mem_ctx, service->task->event_ctx); if (result == NULL) goto failed; state = talloc(result, struct cmd_getdcname_state); if (state == NULL) goto failed; state->ctx = result; result->private_data = state; state->domain_name = talloc_strdup(state, domain_name); if (state->domain_name == NULL) goto failed; ctx = wb_sid2domain_send(state, service, service->primary_sid); if (ctx == NULL) goto failed; ctx->async.fn = getdcname_recv_domain; ctx->async.private_data = state; return result; failed: talloc_free(result); return NULL; } static void getdcname_recv_domain(struct composite_context *ctx) { struct cmd_getdcname_state *state = talloc_get_type(ctx->async.private_data, struct cmd_getdcname_state); struct wbsrv_domain *domain; struct rpc_request *req; state->ctx->status = wb_sid2domain_recv(ctx, &domain); if (!composite_is_ok(state->ctx)) return; state->g.in.logon_server = talloc_asprintf( state, "\\\\%s", dcerpc_server_name(domain->netlogon_pipe)); state->g.in.domainname = state->domain_name; state->g.out.dcname = talloc(state, const char *); req = dcerpc_netr_GetAnyDCName_send(domain->netlogon_pipe, state, &state->g); if (composite_nomem(req, state->ctx)) return; composite_continue_rpc(state->ctx, req, getdcname_recv_dcname, state); } static void getdcname_recv_dcname(struct rpc_request *req) { struct cmd_getdcname_state *state = talloc_get_type(req->async.private_data, struct cmd_getdcname_state); state->ctx->status = dcerpc_ndr_request_recv(req); if (!composite_is_ok(state->ctx)) return; state->ctx->status = werror_to_ntstatus(state->g.out.result); if (!composite_is_ok(state->ctx)) return; composite_done(state->ctx); } NTSTATUS wb_cmd_getdcname_recv(struct composite_context *c, TALLOC_CTX *mem_ctx, const char **dcname) { struct cmd_getdcname_state *state = talloc_get_type(c->private_data, struct cmd_getdcname_state); NTSTATUS status = composite_wait(c); if (NT_STATUS_IS_OK(status)) { const char *p = *(state->g.out.dcname); if (*p == '\\') p += 1; if (*p == '\\') p += 1; *dcname = talloc_strdup(mem_ctx, p); if (*dcname == NULL) { status = NT_STATUS_NO_MEMORY; } } talloc_free(state); return status; }