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/*
Unix SMB/CIFS implementation.
Copyright (C) Rafal Szczesniak 2005
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
a composite functions for user management operations (add/del/chg)
*/
#include "includes.h"
#include "libcli/raw/libcliraw.h"
#include "libcli/composite/composite.h"
#include "librpc/gen_ndr/ndr_samr.h"
#include "libnet/composite.h"
static void useradd_handler(struct rpc_request *req);
enum useradd_stage { USERADD_CREATE };
struct useradd_state {
enum useradd_stage stage;
struct dcerpc_pipe *pipe;
struct rpc_request *req;
struct policy_handle domain_handle;
struct samr_CreateUser createuser;
struct policy_handle user_handle;
uint32_t user_rid;
};
/**
* Stage 1 (and the only one for now): Create user account.
*/
static NTSTATUS useradd_create(struct composite_context *c,
struct useradd_state *s)
{
c->status = dcerpc_ndr_request_recv(s->req);
NT_STATUS_NOT_OK_RETURN(c->status);
c->state = SMBCLI_REQUEST_DONE;
return NT_STATUS_OK;
}
/**
* Event handler for asynchronous request. Handles transition through
* intermediate stages of the call.
*
* @param req rpc call context
*/
static void useradd_handler(struct rpc_request *req)
{
struct composite_context *c = req->async.private;
struct useradd_state *s = talloc_get_type(c->private, struct useradd_state);
switch (s->stage) {
case USERADD_CREATE:
c->status = useradd_create(c, s);
break;
}
if (!NT_STATUS_IS_OK(c->status)) {
c->state = SMBCLI_REQUEST_ERROR;
}
if (c->state >= SMBCLI_REQUEST_DONE &&
c->async.fn) {
c->async.fn(c);
}
}
/**
* Sends asynchronous useradd request
*
* @param p dce/rpc call pipe
* @param io arguments and results of the call
*/
struct composite_context *rpc_composite_useradd_send(struct dcerpc_pipe *p,
struct rpc_composite_useradd *io)
{
struct composite_context *c;
struct useradd_state *s;
struct dom_sid *sid;
c = talloc_zero(p, struct composite_context);
if (c == NULL) goto failure;
s = talloc_zero(c, struct useradd_state);
if (s == NULL) goto failure;
s->domain_handle = io->in.domain_handle;
s->pipe = p;
c->state = SMBCLI_REQUEST_SEND;
c->private = s;
c->event_ctx = dcerpc_event_context(p);
/* preparing parameters to send rpc request */
s->createuser.in.domain_handle = &io->in.domain_handle;
s->createuser.in.account_name = talloc_zero(c, struct samr_String);
s->createuser.in.account_name->string = talloc_strdup(c, io->in.username);
s->createuser.out.user_handle = &s->user_handle;
s->createuser.out.rid = &s->user_rid;
/* send request */
s->req = dcerpc_samr_CreateUser_send(p, c, &s->createuser);
/* callback handler */
s->req->async.callback = useradd_handler;
s->req->async.private = c;
s->stage = USERADD_CREATE;
return c;
failure:
talloc_free(c);
return NULL;
}
/**
* Waits for and receives result of asynchronous useradd call
*
* @param c composite context returned by asynchronous userinfo call
* @param mem_ctx memory context of the call
* @param io pointer to results (and arguments) of the call
* @return nt status code of execution
*/
NTSTATUS rpc_composite_useradd_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
struct rpc_composite_useradd *io)
{
NTSTATUS status;
struct useradd_state *s;
status = composite_wait(c);
if (NT_STATUS_IS_OK(status) && io) {
/* get and return result of the call */
s = talloc_get_type(c->private, struct useradd_state);
io->out.user_handle = s->user_handle;
}
talloc_free(c);
return status;
}
/**
* Synchronous version of useradd call
*
* @param pipe dce/rpc call pipe
* @param mem_ctx memory context for the call
* @param io arguments and results of the call
* @return nt status code of execution
*/
NTSTATUS rpc_composite_useradd(struct dcerpc_pipe *pipe,
TALLOC_CTX *mem_ctx,
struct rpc_composite_useradd *io)
{
struct composite_context *c = rpc_composite_useradd_send(pipe, io);
return rpc_composite_useradd_recv(c, mem_ctx, io);
}
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