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b7fc678107
This is the same as STATUS_STOPPED_ON_SYMLINK, and this is what also wireshark displays. Avoid some confusion. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
167 lines
4.2 KiB
C
167 lines
4.2 KiB
C
/*
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Unix SMB/CIFS implementation.
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client error handling routines
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Copyright (C) Andrew Tridgell 1994-1998
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Copyright (C) Jelmer Vernooij 2003
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Copyright (C) Jeremy Allison 2006
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "libsmb/libsmb.h"
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#include "../libcli/smb/smbXcli_base.h"
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/****************************************************************************
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Return the 32-bit NT status code from the last packet.
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****************************************************************************/
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NTSTATUS cli_nt_error(struct cli_state *cli)
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{
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/* Deal with socket errors first. */
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if (!cli_state_is_connected(cli)) {
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return NT_STATUS_CONNECTION_DISCONNECTED;
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}
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if (NT_STATUS_IS_DOS(cli->raw_status)) {
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int e_class = NT_STATUS_DOS_CLASS(cli->raw_status);
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int code = NT_STATUS_DOS_CODE(cli->raw_status);
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return dos_to_ntstatus(e_class, code);
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}
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return cli->raw_status;
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}
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/****************************************************************************
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Return the DOS error from the last packet - an error class and an error
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code.
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****************************************************************************/
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void cli_dos_error(struct cli_state *cli, uint8_t *eclass, uint32_t *ecode)
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{
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if (!cli_state_is_connected(cli)) {
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*eclass = ERRDOS;
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*ecode = ERRnotconnected;
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return;
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}
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if (!NT_STATUS_IS_DOS(cli->raw_status)) {
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ntstatus_to_dos(cli->raw_status, eclass, ecode);
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return;
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}
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*eclass = NT_STATUS_DOS_CLASS(cli->raw_status);
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*ecode = NT_STATUS_DOS_CODE(cli->raw_status);
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}
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int cli_status_to_errno(NTSTATUS status)
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{
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int err;
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if (NT_STATUS_IS_DOS(status)) {
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uint8_t eclass = NT_STATUS_DOS_CLASS(status);
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uint32_t ecode = NT_STATUS_DOS_CODE(status);
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status = dos_to_ntstatus(eclass, ecode);
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}
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if (NT_STATUS_EQUAL(status, NT_STATUS_STOPPED_ON_SYMLINK)) {
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/*
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* Legacy code from cli_errno, see Samba up to 4.13: A
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* special case for this Vista error. Since its
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* high-order byte isn't 0xc0, it won't match
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* correctly in map_errno_from_nt_status().
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*/
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err = EACCES;
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} else {
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err = map_errno_from_nt_status(status);
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}
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DBG_NOTICE("0x%"PRIx32" -> %d\n", NT_STATUS_V(status), err);
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return err;
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}
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/* Return a UNIX errno appropriate for the error received in the last
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packet. */
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int cli_errno(struct cli_state *cli)
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{
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bool connected;
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int err;
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connected = cli_state_is_connected(cli);
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if (!connected) {
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return EPIPE;
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}
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err = cli_status_to_errno(cli->raw_status);
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return err;
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}
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/* Return true if the last packet was in error */
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bool cli_is_error(struct cli_state *cli)
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{
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/* A socket error is always an error. */
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if (!cli_state_is_connected(cli)) {
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return true;
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}
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if (NT_STATUS_IS_DOS(cli->raw_status)) {
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/* Return error if error class in non-zero */
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uint8_t rcls = NT_STATUS_DOS_CLASS(cli->raw_status);
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return rcls != 0;
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}
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return NT_STATUS_IS_ERR(cli->raw_status);
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}
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/* Return true if the last error was an NT error */
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bool cli_is_nt_error(struct cli_state *cli)
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{
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/* A socket error is always an NT error. */
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if (!cli_state_is_connected(cli)) {
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return true;
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}
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return cli_is_error(cli) && !NT_STATUS_IS_DOS(cli->raw_status);
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}
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/* Return true if the last error was a DOS error */
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bool cli_is_dos_error(struct cli_state *cli)
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{
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/* A socket error is always a DOS error. */
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if (!cli_state_is_connected(cli)) {
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return true;
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}
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return cli_is_error(cli) && NT_STATUS_IS_DOS(cli->raw_status);
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}
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bool cli_state_is_connected(struct cli_state *cli)
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{
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if (cli == NULL) {
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return false;
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}
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if (!cli->initialised) {
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return false;
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}
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return smbXcli_conn_is_connected(cli->conn);
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}
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