/* Unix SMB/CIFS implementation. async implementation of WINBINDD_LIST_USERS 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 . */ #include "includes.h" #include "winbindd.h" #include "librpc/gen_ndr/ndr_winbind_c.h" #include "lib/util/strv.h" struct winbindd_list_users_domstate { struct tevent_req *subreq; struct winbindd_domain *domain; char *users; }; struct winbindd_list_users_state { size_t num_received; /* All domains */ size_t num_domains; struct winbindd_list_users_domstate *domains; }; static void winbindd_list_users_done(struct tevent_req *subreq); struct tevent_req *winbindd_list_users_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev, struct winbindd_cli_state *cli, struct winbindd_request *request) { struct tevent_req *req; struct winbindd_list_users_state *state; struct winbindd_domain *domain; size_t i; req = tevent_req_create(mem_ctx, &state, struct winbindd_list_users_state); if (req == NULL) { return NULL; } if (request->wb_flags & WBFLAG_FROM_NSS && !lp_winbind_enum_users()) { tevent_req_done(req); return tevent_req_post(req, ev); } /* Ensure null termination */ request->domain_name[sizeof(request->domain_name)-1]='\0'; DEBUG(3, ("list_users %s\n", request->domain_name)); if (request->domain_name[0] != '\0') { state->num_domains = 1; } else { state->num_domains = 0; for (domain = domain_list(); domain; domain = domain->next) { state->num_domains += 1; } } state->domains = talloc_array(state, struct winbindd_list_users_domstate, state->num_domains); if (tevent_req_nomem(state->domains, req)) { return tevent_req_post(req, ev); } if (request->domain_name[0] != '\0') { state->domains[0].domain = find_domain_from_name_noinit( request->domain_name); if (state->domains[0].domain == NULL) { tevent_req_nterror(req, NT_STATUS_NO_SUCH_DOMAIN); return tevent_req_post(req, ev); } } else { i = 0; for (domain = domain_list(); domain; domain = domain->next) { state->domains[i++].domain = domain; } } for (i=0; inum_domains; i++) { struct winbindd_list_users_domstate *d = &state->domains[i]; d->subreq = wb_query_user_list_send( state->domains, ev, d->domain); if (tevent_req_nomem(d->subreq, req)) { TALLOC_FREE(state->domains); return tevent_req_post(req, ev); } tevent_req_set_callback(d->subreq, winbindd_list_users_done, req); } state->num_received = 0; return req; } static void winbindd_list_users_done(struct tevent_req *subreq) { struct tevent_req *req = tevent_req_callback_data( subreq, struct tevent_req); struct winbindd_list_users_state *state = tevent_req_data( req, struct winbindd_list_users_state); struct winbindd_list_users_domstate *d; NTSTATUS status; size_t i; for (i=0; inum_domains; i++) { if (subreq == state->domains[i].subreq) { break; } } if (i == state->num_domains) { tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR); return; } d = &state->domains[i]; status = wb_query_user_list_recv(subreq, state->domains, &d->users); TALLOC_FREE(subreq); if (!NT_STATUS_IS_OK(status)) { /* * Just skip this domain */ d->users = NULL; } state->num_received += 1; if (state->num_received >= state->num_domains) { tevent_req_done(req); } } NTSTATUS winbindd_list_users_recv(struct tevent_req *req, struct winbindd_response *response) { struct winbindd_list_users_state *state = tevent_req_data( req, struct winbindd_list_users_state); NTSTATUS status; char *result; size_t i, len; if (tevent_req_is_nterror(req, &status)) { return status; } result = NULL; for (i=0; inum_domains; i++) { struct winbindd_list_users_domstate *d = &state->domains[i]; int ret; if (d->users == NULL) { continue; } ret = strv_append(state, &result, d->users); if (ret != 0) { return map_nt_error_from_unix(ret); } } len = talloc_get_size(result); response->extra_data.data = talloc_steal(response, result); response->length += len; response->data.num_entries = 0; if (result != NULL && len >= 1) { len -= 1; response->data.num_entries = 1; for (i=0; idata.num_entries += 1; } } } return NT_STATUS_OK; }