/* Unix SMB/CIFS implementation. Command backend for getgrent Copyright (C) Matthieu Patou 2010 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" struct cmd_getgrent_state { struct composite_context *ctx; struct wbsrv_service *service; struct wbsrv_grent *grent; uint32_t max_groups; uint32_t num_groups; struct winbindd_gr *result; }; static void cmd_getgrent_recv_grnam(struct composite_context *ctx); #if 0 /*FIXME: implement this*/ static void cmd_getgrent_recv_user_list(struct composite_context *ctx); #endif struct composite_context *wb_cmd_getgrent_send(TALLOC_CTX *mem_ctx, struct wbsrv_service *service, struct wbsrv_grent *grent, uint32_t max_groups) { struct composite_context *ctx, *result; struct cmd_getgrent_state *state; DEBUG(5, ("wb_cmd_getgrent_send called\n")); result = composite_create(mem_ctx, service->task->event_ctx); if (!result) return NULL; state = talloc(mem_ctx, struct cmd_getgrent_state); if (composite_nomem(state, result)) return result; state->ctx = result; result->private_data = state; state->service = service; state->grent = grent; state->max_groups = max_groups; state->num_groups = 0; /* If there are groups left in the libnet_GroupList and we're below the * maximum number of groups to get per winbind getgrent call, use * getgrnam to get the winbindd_gr struct */ if (grent->page_index < grent->group_list->out.count) { int idx = grent->page_index; char *groupname = talloc_strdup(state, grent->group_list->out.groups[idx].groupname); grent->page_index++; ctx = wb_cmd_getgrnam_send(state, service, groupname); if (composite_nomem(ctx, state->ctx)) return result; composite_continue(state->ctx, ctx, cmd_getgrent_recv_grnam, state); } else { /* If there is no valid group left, call libnet_GroupList to get a new * list of group. */ composite_error(state->ctx, NT_STATUS_NO_MORE_ENTRIES); } return result; } static void cmd_getgrent_recv_grnam(struct composite_context *ctx) { struct cmd_getgrent_state *state = talloc_get_type(ctx->async.private_data, struct cmd_getgrent_state); struct winbindd_gr *gr; DEBUG(5, ("cmd_getgrent_recv_grnam called\n")); state->ctx->status = wb_cmd_getgrnam_recv(ctx, state, &gr); if (!composite_is_ok(state->ctx)) return; /*FIXME: Cheat for now and only get one group per call */ state->result = gr; composite_done(state->ctx); } NTSTATUS wb_cmd_getgrent_recv(struct composite_context *ctx, TALLOC_CTX *mem_ctx, struct winbindd_gr **gr, uint32_t *num_groups) { NTSTATUS status = composite_wait(ctx); DEBUG(5, ("wb_cmd_getgrent_recv called\n")); if (NT_STATUS_IS_OK(status)) { struct cmd_getgrent_state *state = talloc_get_type(ctx->private_data, struct cmd_getgrent_state); *gr = talloc_steal(mem_ctx, state->result); /*FIXME: Cheat and only get one group */ *num_groups = 1; } talloc_free(ctx); return status; }