/* Unix SMB/CIFS implementation. Get a struct wb_dom_info for a domain using DNS, netbios, possibly cldap etc. 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 "libcli/resolve/resolve.h" #include "libcli/security/security.h" #include "winbind/wb_server.h" #include "smbd/service_task.h" #include "libcli/finddc.h" #include "param/param.h" #include "libcli/libcli.h" struct get_dom_info_state { struct composite_context *ctx; struct wb_dom_info *info; }; static void get_dom_info_recv_addrs(struct tevent_req *req); struct composite_context *wb_get_dom_info_send(TALLOC_CTX *mem_ctx, struct wbsrv_service *service, const char *domain_name, const char *dns_domain_name, const struct dom_sid *sid) { struct composite_context *result; struct tevent_req *req; struct get_dom_info_state *state; struct dom_sid *dom_sid; struct finddcs finddcs_io; result = composite_create(mem_ctx, service->task->event_ctx); if (result == NULL) goto failed; state = talloc(result, struct get_dom_info_state); if (state == NULL) goto failed; state->ctx = result; result->private_data = state; state->info = talloc_zero(state, struct wb_dom_info); if (state->info == NULL) goto failed; state->info->name = talloc_strdup(state->info, domain_name); if (state->info->name == NULL) goto failed; state->info->sid = dom_sid_dup(state->info, sid); if (state->info->sid == NULL) goto failed; dom_sid = dom_sid_dup(mem_ctx, sid); if (dom_sid == NULL) goto failed; ZERO_STRUCT(finddcs_io); finddcs_io.in.domain_name = dns_domain_name; finddcs_io.in.domain_sid = dom_sid; finddcs_io.in.minimum_dc_flags = NBT_SERVER_LDAP | NBT_SERVER_DS; if (service->sec_channel_type == SEC_CHAN_RODC) { finddcs_io.in.minimum_dc_flags |= NBT_SERVER_WRITABLE; } req = finddcs_cldap_send(mem_ctx, &finddcs_io, lpcfg_resolve_context(service->task->lp_ctx), service->task->event_ctx); if (req == NULL) goto failed; tevent_req_set_callback(req, get_dom_info_recv_addrs, state); return result; failed: talloc_free(result); return NULL; } static void get_dom_info_recv_addrs(struct tevent_req *req) { struct get_dom_info_state *state = tevent_req_callback_data(req, struct get_dom_info_state); struct finddcs finddcs_io; state->info->dc = talloc(state->info, struct nbt_dc_name); state->ctx->status = finddcs_cldap_recv(req, state->info, &finddcs_io); if (!composite_is_ok(state->ctx)) return; if (finddcs_io.out.netlogon.ntver != NETLOGON_NT_VERSION_5EX) { /* the finddcs code should have mapped the response to the type we want */ DEBUG(0,(__location__ ": unexpected ntver 0x%08x in finddcs response\n", finddcs_io.out.netlogon.ntver)); state->ctx->status = NT_STATUS_UNEXPECTED_NETWORK_ERROR; if (!composite_is_ok(state->ctx)) return; } state->info->dc->address = finddcs_io.out.address; state->info->dc->name = finddcs_io.out.netlogon.data.nt5_ex.pdc_dns_name; composite_done(state->ctx); } NTSTATUS wb_get_dom_info_recv(struct composite_context *ctx, TALLOC_CTX *mem_ctx, struct wb_dom_info **result) { NTSTATUS status = composite_wait(ctx); if (NT_STATUS_IS_OK(status)) { struct get_dom_info_state *state = talloc_get_type(ctx->private_data, struct get_dom_info_state); *result = talloc_steal(mem_ctx, state->info); } talloc_free(ctx); return status; } NTSTATUS wb_get_dom_info(TALLOC_CTX *mem_ctx, struct wbsrv_service *service, const char *domain_name, const char *dns_domain_name, const struct dom_sid *sid, struct wb_dom_info **result) { struct composite_context *ctx = wb_get_dom_info_send(mem_ctx, service, domain_name, dns_domain_name, sid); return wb_get_dom_info_recv(ctx, mem_ctx, result); }