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/*
Unix SMB/CIFS implementation.
client transaction calls
Copyright (C) Andrew Tridgell 1994-1998
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 "libsmb/libsmb.h"
#include "../lib/util/tevent_ntstatus.h"
#include "async_smb.h"
#include "../libcli/smb/smbXcli_base.h"
struct cli_trans_state {
struct cli_state *cli;
struct tevent_req *req;
struct cli_trans_state **ptr;
};
static int cli_trans_state_destructor(struct cli_trans_state *state)
{
talloc_set_destructor(state->ptr, NULL);
talloc_free(state->ptr);
return 0;
}
static int cli_trans_state_ptr_destructor(struct cli_trans_state **ptr)
{
struct cli_trans_state *state = *ptr;
void *parent = talloc_parent(state);
talloc_set_destructor(state, NULL);
talloc_reparent(state, parent, state->req);
talloc_free(state);
return 0;
}
struct tevent_req *cli_trans_send(
TALLOC_CTX *mem_ctx, struct tevent_context *ev,
struct cli_state *cli, uint8_t cmd,
const char *pipe_name, uint16_t fid, uint16_t function, int flags,
uint16_t *setup, uint8_t num_setup, uint8_t max_setup,
uint8_t *param, uint32_t num_param, uint32_t max_param,
uint8_t *data, uint32_t num_data, uint32_t max_data)
{
struct cli_trans_state *state;
uint8_t additional_flags = 0;
uint8_t clear_flags = 0;
uint16_t additional_flags2 = 0;
uint16_t clear_flags2 = 0;
state = talloc_zero(mem_ctx, struct cli_trans_state);
if (state == NULL) {
return NULL;
}
state->cli = cli;
state->ptr = talloc(state, struct cli_trans_state *);
if (state->ptr == NULL) {
talloc_free(state);
return NULL;
}
*state->ptr = state;
state->req = smb1cli_trans_send(state, ev,
cli->conn, cmd,
additional_flags, clear_flags,
additional_flags2, clear_flags2,
cli->timeout,
cli->smb1.pid,
cli->smb1.tcon,
cli->smb1.session,
pipe_name, fid, function, flags,
setup, num_setup, max_setup,
param, num_param, max_param,
data, num_data, max_data);
if (state->req == NULL) {
talloc_free(state);
return NULL;
}
talloc_reparent(state, state->req, state->ptr);
talloc_set_destructor(state, cli_trans_state_destructor);
talloc_set_destructor(state->ptr, cli_trans_state_ptr_destructor);
return state->req;
}
NTSTATUS cli_trans_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
uint16_t *recv_flags2,
uint16_t **setup, uint8_t min_setup,
uint8_t *num_setup,
uint8_t **param, uint32_t min_param,
uint32_t *num_param,
uint8_t **data, uint32_t min_data,
uint32_t *num_data)
{
NTSTATUS status;
void *parent = talloc_parent(req);
struct cli_trans_state *state =
talloc_get_type(parent,
struct cli_trans_state);
bool map_dos_errors = true;
status = smb1cli_trans_recv(req, mem_ctx, recv_flags2,
setup, min_setup, num_setup,
param, min_param, num_param,
data, min_data, num_data);
if (state) {
map_dos_errors = state->cli->map_dos_errors;
state->cli->raw_status = status;
talloc_free(state->ptr);
state = NULL;
}
if (NT_STATUS_IS_DOS(status) && map_dos_errors) {
uint8_t eclass = NT_STATUS_DOS_CLASS(status);
uint16_t ecode = NT_STATUS_DOS_CODE(status);
/*
* TODO: is it really a good idea to do a mapping here?
*
* The old cli_pull_error() also does it, so I do not change
* the behavior yet.
*/
status = dos_to_ntstatus(eclass, ecode);
}
return status;
}
NTSTATUS cli_trans(TALLOC_CTX *mem_ctx, struct cli_state *cli,
uint8_t trans_cmd,
const char *pipe_name, uint16_t fid, uint16_t function,
int flags,
uint16_t *setup, uint8_t num_setup, uint8_t max_setup,
uint8_t *param, uint32_t num_param, uint32_t max_param,
uint8_t *data, uint32_t num_data, uint32_t max_data,
uint16_t *recv_flags2,
uint16_t **rsetup, uint8_t min_rsetup, uint8_t *num_rsetup,
uint8_t **rparam, uint32_t min_rparam, uint32_t *num_rparam,
uint8_t **rdata, uint32_t min_rdata, uint32_t *num_rdata)
{
NTSTATUS status;
uint8_t additional_flags = 0;
uint8_t clear_flags = 0;
uint16_t additional_flags2 = 0;
uint16_t clear_flags2 = 0;
status = smb1cli_trans(mem_ctx,
cli->conn, trans_cmd,
additional_flags, clear_flags,
additional_flags2, clear_flags2,
cli->timeout,
cli->smb1.pid,
cli->smb1.tcon,
cli->smb1.session,
pipe_name, fid, function, flags,
setup, num_setup, max_setup,
param, num_param, max_param,
data, num_data, max_data,
recv_flags2,
rsetup, min_rsetup, num_rsetup,
rparam, min_rparam, num_rparam,
rdata, min_rdata, num_rdata);
cli->raw_status = status;
if (NT_STATUS_IS_DOS(status) && cli->map_dos_errors) {
uint8_t eclass = NT_STATUS_DOS_CLASS(status);
uint16_t ecode = NT_STATUS_DOS_CODE(status);
/*
* TODO: is it really a good idea to do a mapping here?
*
* The old cli_pull_error() also does it, so I do not change
* the behavior yet.
*/
status = dos_to_ntstatus(eclass, ecode);
}
return status;
}
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