/* Unix SMB/CIFS implementation. async implementation of WINBINDD_SHOW_SEQUENCE 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 "winbindd.h" struct winbindd_show_sequence_state { bool one_domain; /* One domain */ uint32_t seqnum; /* All domains */ int num_domains; NTSTATUS *stati; struct winbindd_domain **domains; uint32_t *seqnums; }; static void winbindd_show_sequence_done_one(struct tevent_req *subreq); static void winbindd_show_sequence_done_all(struct tevent_req *subreq); struct tevent_req *winbindd_show_sequence_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev, struct winbindd_cli_state *cli, struct winbindd_request *request) { struct tevent_req *req, *subreq; struct winbindd_show_sequence_state *state; req = tevent_req_create(mem_ctx, &state, struct winbindd_show_sequence_state); if (req == NULL) { return NULL; } state->one_domain = false; state->domains = NULL; state->stati = NULL; state->seqnums = NULL; /* Ensure null termination */ request->domain_name[sizeof(request->domain_name)-1]='\0'; DEBUG(3, ("show_sequence %s\n", request->domain_name)); if (request->domain_name[0] != '\0') { struct winbindd_domain *domain; state->one_domain = true; domain = find_domain_from_name_noinit( request->domain_name); if (domain == NULL) { tevent_req_nterror(req, NT_STATUS_NO_SUCH_DOMAIN); return tevent_req_post(req, ev); } subreq = wb_seqnum_send(state, ev, domain); if (tevent_req_nomem(subreq, req)) { return tevent_req_post(req, ev); } tevent_req_set_callback( subreq, winbindd_show_sequence_done_one, req); return req; } subreq = wb_seqnums_send(state, ev); if (tevent_req_nomem(subreq, req)) { return tevent_req_post(req, ev); } tevent_req_set_callback(subreq, winbindd_show_sequence_done_all, req); return req; } static void winbindd_show_sequence_done_one(struct tevent_req *subreq) { struct tevent_req *req = tevent_req_callback_data( subreq, struct tevent_req); struct winbindd_show_sequence_state *state = tevent_req_data( req, struct winbindd_show_sequence_state); NTSTATUS status; status = wb_seqnum_recv(subreq, &state->seqnum); TALLOC_FREE(subreq); if (!NT_STATUS_IS_OK(status)) { tevent_req_nterror(req, status); return; } tevent_req_done(req); } static void winbindd_show_sequence_done_all(struct tevent_req *subreq) { struct tevent_req *req = tevent_req_callback_data( subreq, struct tevent_req); struct winbindd_show_sequence_state *state = tevent_req_data( req, struct winbindd_show_sequence_state); NTSTATUS status; status = wb_seqnums_recv(subreq, state, &state->num_domains, &state->domains, &state->stati, &state->seqnums); TALLOC_FREE(subreq); if (!NT_STATUS_IS_OK(status)) { tevent_req_nterror(req, status); return; } tevent_req_done(req); } NTSTATUS winbindd_show_sequence_recv(struct tevent_req *req, struct winbindd_response *response) { struct winbindd_show_sequence_state *state = tevent_req_data( req, struct winbindd_show_sequence_state); NTSTATUS status; char *extra_data; int i; if (tevent_req_is_nterror(req, &status)) { return status; } if (state->one_domain) { response->data.sequence_number = state->seqnum; return NT_STATUS_OK; } extra_data = talloc_strdup(response, ""); if (extra_data == NULL) { return NT_STATUS_NO_MEMORY; } for (i=0; i<state->num_domains; i++) { if (!NT_STATUS_IS_OK(state->stati[i]) || (state->seqnums[i] == DOM_SEQUENCE_NONE)) { extra_data = talloc_asprintf_append_buffer( extra_data, "%s : DISCONNECTED\n", state->domains[i]->name); } else { extra_data = talloc_asprintf_append_buffer( extra_data, "%s : %d\n", state->domains[i]->name, (int)state->seqnums[i]); } if (extra_data == NULL) { return NT_STATUS_NO_MEMORY; } } response->extra_data.data = extra_data; response->length += talloc_get_size(extra_data); return NT_STATUS_OK; }