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/*
Unix SMB/CIFS implementation.
Backend for getgrgid
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 "winbind/wb_async_helpers.h"
#include "winbind/wb_helper.h"
#include "smbd/service_task.h"
#include "libnet/libnet_proto.h"
#include "param/param.h"
#include "libcli/security/security.h"
#include "auth/credentials/credentials.h"
struct cmd_getgrgid_state {
struct composite_context *ctx;
struct wbsrv_service *service;
gid_t gid;
struct dom_sid *sid;
char *workgroup;
struct wbsrv_domain *domain;
struct winbindd_gr *result;
};
static void cmd_getgrgid_recv_sid(struct composite_context *ctx);
static void cmd_getgrgid_recv_domain(struct composite_context *ctx);
static void cmd_getgrgid_recv_group_info(struct composite_context *ctx);
/* Get the SID using the gid */
struct composite_context *wb_cmd_getgrgid_send(TALLOC_CTX *mem_ctx,
struct wbsrv_service *service,
gid_t gid)
{
struct composite_context *ctx, *result;
struct cmd_getgrgid_state *state;
DEBUG(5, ("wb_cmd_getgrgid_send called\n"));
result = composite_create(mem_ctx, service->task->event_ctx);
if (!result) return NULL;
state = talloc(result, struct cmd_getgrgid_state);
if (composite_nomem(state, result)) return result;
state->ctx = result;
result->private_data = state;
state->service = service;
state->gid = gid;
ctx = wb_gid2sid_send(state, service, gid);
if (composite_nomem(ctx, state->ctx)) return result;
composite_continue(result, ctx, cmd_getgrgid_recv_sid, state);
return result;
}
/* Receive the sid and get the domain structure with it */
static void cmd_getgrgid_recv_sid(struct composite_context *ctx)
{
struct cmd_getgrgid_state *state =
talloc_get_type(ctx->async.private_data,
struct cmd_getgrgid_state);
DEBUG(5, ("cmd_getgrgid_recv_sid called %p\n", ctx->private_data));
state->ctx->status = wb_gid2sid_recv(ctx, state, &state->sid);
if (!composite_is_ok(state->ctx)) return;
ctx = wb_sid2domain_send(state, state->service, state->sid);
composite_continue(state->ctx, ctx, cmd_getgrgid_recv_domain, state);
}
/* Receive the domain struct and call libnet to get the user info struct */
static void cmd_getgrgid_recv_domain(struct composite_context *ctx)
{
struct cmd_getgrgid_state *state =
talloc_get_type(ctx->async.private_data,
struct cmd_getgrgid_state);
struct libnet_GroupInfo *group_info;
DEBUG(5, ("cmd_getgrgid_recv_domain called\n"));
state->ctx->status = wb_sid2domain_recv(ctx, &state->domain);
if (!composite_is_ok(state->ctx)) return;
group_info = talloc(state, struct libnet_GroupInfo);
if (composite_nomem(group_info, state->ctx)) return;
group_info->in.level = GROUP_INFO_BY_SID;
group_info->in.data.group_sid = state->sid;
group_info->in.domain_name = state->domain->libnet_ctx->samr.name;
/* We need the workgroup later, so copy it */
state->workgroup = talloc_strdup(state,
state->domain->libnet_ctx->samr.name);
if (composite_nomem(state->workgroup, state->ctx)) return;
ctx = libnet_GroupInfo_send(state->domain->libnet_ctx, state,group_info,
NULL);
composite_continue(state->ctx, ctx, cmd_getgrgid_recv_group_info,state);
}
/* Receive the group info struct */
static void cmd_getgrgid_recv_group_info(struct composite_context *ctx)
{
struct cmd_getgrgid_state *state =
talloc_get_type(ctx->async.private_data,
struct cmd_getgrgid_state);
struct libnet_GroupInfo *group_info;
struct winbindd_gr *gr;
DEBUG(5, ("cmd_getgrgid_recv_group_info called\n"));
gr = talloc(state, struct winbindd_gr);
if (composite_nomem(gr, state->ctx)) return;
group_info = talloc(state, struct libnet_GroupInfo);
if(composite_nomem(group_info, state->ctx)) return;
state->ctx->status = libnet_GroupInfo_recv(ctx, state, group_info);
if (!composite_is_ok(state->ctx)) return;
WBSRV_SAMBA3_SET_STRING(gr->gr_name, group_info->out.group_name);
WBSRV_SAMBA3_SET_STRING(gr->gr_passwd, "*");
gr->gr_gid = state->gid;
state->result = gr;
composite_done(state->ctx);
}
NTSTATUS wb_cmd_getgrgid_recv(struct composite_context *ctx,
TALLOC_CTX *mem_ctx, struct winbindd_gr **gr)
{
NTSTATUS status = composite_wait(ctx);
DEBUG(5, ("wb_cmd_getgrgid_recv called\n"));
DEBUG(5, ("status is %s\n", nt_errstr(status)));
if (NT_STATUS_IS_OK(status)) {
struct cmd_getgrgid_state *state =
talloc_get_type(ctx->private_data,
struct cmd_getgrgid_state);
*gr = talloc_steal(mem_ctx, state->result);
}
talloc_free(ctx);
return status;
}
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