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/*
Unix SMB/CIFS implementation.
Command backend for getpwent
Copyright (C) Kai Blin 2007
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_getpwent_state {
struct composite_context *ctx;
struct wbsrv_service *service;
struct wbsrv_pwent *pwent;
uint32_t max_users;
uint32_t num_users;
struct winbindd_pw *result;
};
static void cmd_getpwent_recv_pwnam(struct composite_context *ctx);
#if 0 /*FIXME: implement this*/
static void cmd_getpwent_recv_user_list(struct composite_context *ctx);
#endif
struct composite_context *wb_cmd_getpwent_send(TALLOC_CTX *mem_ctx,
struct wbsrv_service *service, struct wbsrv_pwent *pwent,
uint32_t max_users)
{
struct composite_context *ctx, *result;
struct cmd_getpwent_state *state;
DEBUG(5, ("wb_cmd_getpwent_send called\n"));
result = composite_create(mem_ctx, service->task->event_ctx);
if (!result) return NULL;
state = talloc(mem_ctx, struct cmd_getpwent_state);
if (composite_nomem(state, result)) return result;
state->ctx = result;
result->private_data = state;
state->service = service;
state->pwent = pwent;
state->max_users = max_users;
state->num_users = 0;
/* If there are users left in the libnet_UserList and we're below the
* maximum number of users to get per winbind getpwent call, use
* getpwnam to get the winbindd_pw struct */
if (pwent->page_index < pwent->user_list->out.count) {
int idx = pwent->page_index;
char *username = talloc_strdup(state,
pwent->user_list->out.users[idx].username);
pwent->page_index++;
ctx = wb_cmd_getpwnam_send(state, service, username);
if (composite_nomem(ctx, state->ctx)) return result;
composite_continue(state->ctx, ctx, cmd_getpwent_recv_pwnam,
state);
} else {
/* If there is no valid user left, call libnet_UserList to get a new
* list of users. */
composite_error(state->ctx, NT_STATUS_NO_MORE_ENTRIES);
}
return result;
}
static void cmd_getpwent_recv_pwnam(struct composite_context *ctx)
{
struct cmd_getpwent_state *state =
talloc_get_type(ctx->async.private_data,
struct cmd_getpwent_state);
struct winbindd_pw *pw;
DEBUG(5, ("cmd_getpwent_recv_pwnam called\n"));
state->ctx->status = wb_cmd_getpwnam_recv(ctx, state, &pw);
if (!composite_is_ok(state->ctx)) return;
/*FIXME: Cheat for now and only get one user per call */
state->result = pw;
composite_done(state->ctx);
}
NTSTATUS wb_cmd_getpwent_recv(struct composite_context *ctx,
TALLOC_CTX *mem_ctx, struct winbindd_pw **pw,
uint32_t *num_users)
{
NTSTATUS status = composite_wait(ctx);
DEBUG(5, ("wb_cmd_getpwent_recv called\n"));
if (NT_STATUS_IS_OK(status)) {
struct cmd_getpwent_state *state =
talloc_get_type(ctx->private_data,
struct cmd_getpwent_state);
*pw = talloc_steal(mem_ctx, state->result);
/*FIXME: Cheat and only get oner user */
*num_users = 1;
}
talloc_free(ctx);
return status;
}
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