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/*
Unix SMB/CIFS implementation.
Map a SID to a uid
Copyright (C) 2007-2008 Kai Blin
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"
#include "libcli/security/security.h"
struct sid2uid_state {
struct composite_context *ctx;
struct wbsrv_service *service;
uid_t uid;
};
static void sid2uid_recv_uid(struct composite_context *ctx);
struct composite_context *wb_sid2uid_send(TALLOC_CTX *mem_ctx,
struct wbsrv_service *service, const struct dom_sid *sid)
{
struct composite_context *result, *ctx;
struct sid2uid_state *state;
struct id_mapping *ids;
DEBUG(5, ("wb_sid2uid_send called\n"));
result = composite_create(mem_ctx, service->task->event_ctx);
if (!result) return NULL;
state = talloc(result, struct sid2uid_state);
if (composite_nomem(state, result)) return result;
state->ctx = result;
result->private_data = state;
state->service = service;
ids = talloc(result, struct id_mapping);
if (composite_nomem(ids, result)) return result;
ids->sid = dom_sid_dup(result, sid);
if (composite_nomem(ids->sid, result)) return result;
ctx = wb_sids2xids_send(result, service, 1, ids);
if (composite_nomem(ctx, result)) return result;
composite_continue(result, ctx, sid2uid_recv_uid, state);
return result;
}
static void sid2uid_recv_uid(struct composite_context *ctx)
{
struct sid2uid_state *state = talloc_get_type(ctx->async.private_data,
struct sid2uid_state);
struct id_mapping *ids = NULL;
state->ctx->status = wb_sids2xids_recv(ctx, &ids);
if (!composite_is_ok(state->ctx)) return;
if (!NT_STATUS_IS_OK(ids->status)) {
composite_error(state->ctx, ids->status);
return;
}
if (ids->unixid->type == ID_TYPE_BOTH ||
ids->unixid->type == ID_TYPE_UID) {
state->uid = ids->unixid->id;
composite_done(state->ctx);
} else {
composite_error(state->ctx, NT_STATUS_INVALID_SID);
}
}
NTSTATUS wb_sid2uid_recv(struct composite_context *ctx, uid_t *uid)
{
NTSTATUS status = composite_wait(ctx);
DEBUG(5, ("wb_sid2uid_recv called\n"));
if (NT_STATUS_IS_OK(status)) {
struct sid2uid_state *state =
talloc_get_type(ctx->private_data,
struct sid2uid_state);
*uid = state->uid;
}
talloc_free(ctx);
return status;
}
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