diff options
Diffstat (limited to 'source3/winbindd/winbindd_dsgetdcname.c')
| -rw-r--r-- | source3/winbindd/winbindd_dsgetdcname.c | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/source3/winbindd/winbindd_dsgetdcname.c b/source3/winbindd/winbindd_dsgetdcname.c new file mode 100644 index 0000000..9dadeab --- /dev/null +++ b/source3/winbindd/winbindd_dsgetdcname.c @@ -0,0 +1,200 @@ +/* + Unix SMB/CIFS implementation. + async implementation of WINBINDD_DSGETDCNAME + Copyright (C) Volker Lendecke 2009 + + 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 "util/debug.h" +#include "winbindd.h" +#include "librpc/gen_ndr/ndr_winbind_c.h" +#include "lib/util/string_wrappers.h" + +struct winbindd_dsgetdcname_state { + struct GUID guid; + struct netr_DsRGetDCNameInfo *dc_info; +}; + +static uint32_t get_dsgetdc_flags(uint32_t wbc_flags); +static void winbindd_dsgetdcname_done(struct tevent_req *subreq); + +struct tevent_req *winbindd_dsgetdcname_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct winbindd_cli_state *cli, + struct winbindd_request *request) +{ + struct tevent_req *req, *subreq; + struct dcerpc_binding_handle *child_binding_handle = NULL; + struct winbindd_dsgetdcname_state *state; + struct GUID *guid_ptr = NULL; + uint32_t ds_flags = 0; + NTSTATUS status; + + req = tevent_req_create(mem_ctx, &state, + struct winbindd_dsgetdcname_state); + if (req == NULL) { + return NULL; + } + + D_NOTICE("[%s (%u)] Winbind external command DSGETDCNAME start.\n", + cli->client_name, + (unsigned int)cli->pid); + + request->data.dsgetdcname.domain_name + [sizeof(request->data.dsgetdcname.domain_name)-1] = '\0'; + request->data.dsgetdcname.site_name + [sizeof(request->data.dsgetdcname.site_name)-1] = '\0'; + request->data.dsgetdcname.domain_guid + [sizeof(request->data.dsgetdcname.domain_guid)-1] = '\0'; + + D_NOTICE("Calling DsGetDcName for domain '%s'.\n", + request->data.dsgetdcname.domain_name); + + ds_flags = get_dsgetdc_flags(request->data.dsgetdcname.flags); + + status = GUID_from_string(request->data.dsgetdcname.domain_guid, + &state->guid); + if (NT_STATUS_IS_OK(status) && !GUID_all_zero(&state->guid)) { + guid_ptr = &state->guid; + } + + child_binding_handle = locator_child_handle(); + + subreq = dcerpc_wbint_DsGetDcName_send( + state, ev, child_binding_handle, + request->data.dsgetdcname.domain_name, guid_ptr, + request->data.dsgetdcname.site_name, + ds_flags, &state->dc_info); + if (tevent_req_nomem(subreq, req)) { + return tevent_req_post(req, ev); + } + tevent_req_set_callback(subreq, winbindd_dsgetdcname_done, req); + return req; +} + +static void winbindd_dsgetdcname_done(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct winbindd_dsgetdcname_state *state = tevent_req_data( + req, struct winbindd_dsgetdcname_state); + NTSTATUS status, result; + + status = dcerpc_wbint_DsGetDcName_recv(subreq, state, &result); + TALLOC_FREE(subreq); + if (any_nt_status_not_ok(status, result, &status)) { + tevent_req_nterror(req, status); + return; + } + tevent_req_done(req); +} + +NTSTATUS winbindd_dsgetdcname_recv(struct tevent_req *req, + struct winbindd_response *response) +{ + struct winbindd_dsgetdcname_state *state = tevent_req_data( + req, struct winbindd_dsgetdcname_state); + struct GUID_txt_buf guid_str_buf; + char *guid_str; + NTSTATUS status; + + D_NOTICE("Winbind external command DSGETDCNAME end.\n"); + if (tevent_req_is_nterror(req, &status)) { + D_WARNING("Failed with: %s\n", nt_errstr(status)); + return status; + } + + fstrcpy(response->data.dsgetdcname.dc_unc, + state->dc_info->dc_unc); + fstrcpy(response->data.dsgetdcname.dc_address, + state->dc_info->dc_address); + response->data.dsgetdcname.dc_address_type = + state->dc_info->dc_address_type; + + guid_str = GUID_buf_string(&state->dc_info->domain_guid, + &guid_str_buf); + fstrcpy(response->data.dsgetdcname.domain_guid, guid_str); + + fstrcpy(response->data.dsgetdcname.domain_name, + state->dc_info->domain_name); + fstrcpy(response->data.dsgetdcname.forest_name, + state->dc_info->forest_name); + response->data.dsgetdcname.dc_flags = state->dc_info->dc_flags; + fstrcpy(response->data.dsgetdcname.dc_site_name, + state->dc_info->dc_site_name); + fstrcpy(response->data.dsgetdcname.client_site_name, + state->dc_info->client_site_name); + + return NT_STATUS_OK; +} + +static uint32_t get_dsgetdc_flags(uint32_t wbc_flags) +{ + struct wbc_flag_map { + uint32_t wbc_dc_flag; + uint32_t ds_dc_flags; + } lookup_dc_flags[] = { + { WBC_LOOKUP_DC_FORCE_REDISCOVERY, + DS_FORCE_REDISCOVERY }, + { WBC_LOOKUP_DC_DS_REQUIRED, + DS_DIRECTORY_SERVICE_REQUIRED }, + { WBC_LOOKUP_DC_DS_PREFERRED, + DS_DIRECTORY_SERVICE_PREFERRED}, + { WBC_LOOKUP_DC_GC_SERVER_REQUIRED, + DS_GC_SERVER_REQUIRED }, + { WBC_LOOKUP_DC_PDC_REQUIRED, + DS_PDC_REQUIRED}, + { WBC_LOOKUP_DC_BACKGROUND_ONLY, + DS_BACKGROUND_ONLY }, + { WBC_LOOKUP_DC_IP_REQUIRED, + DS_IP_REQUIRED }, + { WBC_LOOKUP_DC_KDC_REQUIRED, + DS_KDC_REQUIRED }, + { WBC_LOOKUP_DC_TIMESERV_REQUIRED, + DS_TIMESERV_REQUIRED }, + { WBC_LOOKUP_DC_WRITABLE_REQUIRED, + DS_WRITABLE_REQUIRED }, + { WBC_LOOKUP_DC_GOOD_TIMESERV_PREFERRED, + DS_GOOD_TIMESERV_PREFERRED }, + { WBC_LOOKUP_DC_AVOID_SELF, + DS_AVOID_SELF }, + { WBC_LOOKUP_DC_ONLY_LDAP_NEEDED, + DS_ONLY_LDAP_NEEDED }, + { WBC_LOOKUP_DC_IS_FLAT_NAME, + DS_IS_FLAT_NAME }, + { WBC_LOOKUP_DC_IS_DNS_NAME, + DS_IS_DNS_NAME }, + { WBC_LOOKUP_DC_TRY_NEXTCLOSEST_SITE, + DS_TRY_NEXTCLOSEST_SITE }, + { WBC_LOOKUP_DC_DS_6_REQUIRED, + DS_DIRECTORY_SERVICE_6_REQUIRED }, + { WBC_LOOKUP_DC_RETURN_DNS_NAME, + DS_RETURN_DNS_NAME }, + { WBC_LOOKUP_DC_RETURN_FLAT_NAME, + DS_RETURN_FLAT_NAME } + }; + + uint32_t ds_flags = 0; + size_t i = 0; + + for (i=0; i<ARRAY_SIZE(lookup_dc_flags); i++) { + if (wbc_flags & lookup_dc_flags[i].wbc_dc_flag) { + ds_flags |= lookup_dc_flags[i].ds_dc_flags; + } + } + + return ds_flags; +} |