mirror of
https://github.com/samba-team/samba.git
synced 2024-12-24 21:34:56 +03:00
4487ba9c2f
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Andreas Schneider <asn@samba.org>
158 lines
4.1 KiB
C
158 lines
4.1 KiB
C
/*
|
|
Unix SMB/CIFS implementation.
|
|
client error handling routines
|
|
Copyright (C) Andrew Tridgell 1994-1998
|
|
Copyright (C) Jelmer Vernooij 2003
|
|
Copyright (C) Jeremy Allison 2006
|
|
|
|
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 "../libcli/smb/smbXcli_base.h"
|
|
|
|
/****************************************************************************
|
|
Return the 32-bit NT status code from the last packet.
|
|
****************************************************************************/
|
|
|
|
NTSTATUS cli_nt_error(struct cli_state *cli)
|
|
{
|
|
/* Deal with socket errors first. */
|
|
if (!cli_state_is_connected(cli)) {
|
|
return NT_STATUS_CONNECTION_DISCONNECTED;
|
|
}
|
|
|
|
if (NT_STATUS_IS_DOS(cli->raw_status)) {
|
|
int e_class = NT_STATUS_DOS_CLASS(cli->raw_status);
|
|
int code = NT_STATUS_DOS_CODE(cli->raw_status);
|
|
return dos_to_ntstatus(e_class, code);
|
|
}
|
|
|
|
return cli->raw_status;
|
|
}
|
|
|
|
|
|
/****************************************************************************
|
|
Return the DOS error from the last packet - an error class and an error
|
|
code.
|
|
****************************************************************************/
|
|
|
|
void cli_dos_error(struct cli_state *cli, uint8_t *eclass, uint32_t *ecode)
|
|
{
|
|
if (!cli_state_is_connected(cli)) {
|
|
*eclass = ERRDOS;
|
|
*ecode = ERRnotconnected;
|
|
return;
|
|
}
|
|
|
|
if (!NT_STATUS_IS_DOS(cli->raw_status)) {
|
|
ntstatus_to_dos(cli->raw_status, eclass, ecode);
|
|
return;
|
|
}
|
|
|
|
*eclass = NT_STATUS_DOS_CLASS(cli->raw_status);
|
|
*ecode = NT_STATUS_DOS_CODE(cli->raw_status);
|
|
}
|
|
|
|
|
|
/* Return a UNIX errno appropriate for the error received in the last
|
|
packet. */
|
|
|
|
int cli_errno(struct cli_state *cli)
|
|
{
|
|
NTSTATUS status;
|
|
|
|
if (cli_is_nt_error(cli)) {
|
|
status = cli_nt_error(cli);
|
|
return map_errno_from_nt_status(status);
|
|
}
|
|
|
|
if (cli_is_dos_error(cli)) {
|
|
uint8_t eclass;
|
|
uint32_t ecode;
|
|
|
|
cli_dos_error(cli, &eclass, &ecode);
|
|
status = dos_to_ntstatus(eclass, ecode);
|
|
return map_errno_from_nt_status(status);
|
|
}
|
|
|
|
/*
|
|
* Yuck! A special case for this Vista error. Since its high-order
|
|
* byte isn't 0xc0, it doesn't match cli_is_nt_error() above.
|
|
*/
|
|
status = cli_nt_error(cli);
|
|
if (NT_STATUS_V(status) == NT_STATUS_V(NT_STATUS_INACCESSIBLE_SYSTEM_SHORTCUT)) {
|
|
return EACCES;
|
|
}
|
|
|
|
/* for other cases */
|
|
return EINVAL;
|
|
}
|
|
|
|
/* Return true if the last packet was in error */
|
|
|
|
bool cli_is_error(struct cli_state *cli)
|
|
{
|
|
/* A socket error is always an error. */
|
|
if (!cli_state_is_connected(cli)) {
|
|
return true;
|
|
}
|
|
|
|
if (NT_STATUS_IS_DOS(cli->raw_status)) {
|
|
/* Return error if error class in non-zero */
|
|
uint8_t rcls = NT_STATUS_DOS_CLASS(cli->raw_status);
|
|
return rcls != 0;
|
|
}
|
|
|
|
return NT_STATUS_IS_ERR(cli->raw_status);
|
|
}
|
|
|
|
/* Return true if the last error was an NT error */
|
|
|
|
bool cli_is_nt_error(struct cli_state *cli)
|
|
{
|
|
/* A socket error is always an NT error. */
|
|
if (!cli_state_is_connected(cli)) {
|
|
return true;
|
|
}
|
|
|
|
return cli_is_error(cli) && !NT_STATUS_IS_DOS(cli->raw_status);
|
|
}
|
|
|
|
/* Return true if the last error was a DOS error */
|
|
|
|
bool cli_is_dos_error(struct cli_state *cli)
|
|
{
|
|
/* A socket error is always a DOS error. */
|
|
if (!cli_state_is_connected(cli)) {
|
|
return true;
|
|
}
|
|
|
|
return cli_is_error(cli) && NT_STATUS_IS_DOS(cli->raw_status);
|
|
}
|
|
|
|
bool cli_state_is_connected(struct cli_state *cli)
|
|
{
|
|
if (cli == NULL) {
|
|
return false;
|
|
}
|
|
|
|
if (!cli->initialised) {
|
|
return false;
|
|
}
|
|
|
|
return smbXcli_conn_is_connected(cli->conn);
|
|
}
|