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/*
Unix SMB/Netbios implementation.
Version 1.9.
error packet handling
Copyright (C) Andrew Tridgell 1992-1998
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 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.
*/
#include "includes.h"
/* these can be set by some functions to override the error codes */
int unix_ERR_class=SMB_SUCCESS;
int unix_ERR_code=0;
struct
{
int unixerror;
int smbclass;
int smbcode;
} unix_smb_errmap[] =
{
{EPERM,ERRDOS,ERRnoaccess},
{EACCES,ERRDOS,ERRnoaccess},
{ENOENT,ERRDOS,ERRbadfile},
{ENOTDIR,ERRDOS,ERRbadpath},
{EIO,ERRHRD,ERRgeneral},
{EBADF,ERRSRV,ERRsrverror},
{EINVAL,ERRSRV,ERRsrverror},
{EEXIST,ERRDOS,ERRfilexists},
{ENFILE,ERRDOS,ERRnofids},
{EMFILE,ERRDOS,ERRnofids},
{ENOSPC,ERRHRD,ERRdiskfull},
#ifdef EDQUOT
{EDQUOT,ERRHRD,ERRdiskfull},
#endif
#ifdef ENOTEMPTY
{ENOTEMPTY,ERRDOS,ERRnoaccess},
#endif
#ifdef EXDEV
{EXDEV,ERRDOS,ERRdiffdevice},
#endif
{EROFS,ERRHRD,ERRnowrite},
{0,0,0}
};
/****************************************************************************
create an error packet from errno
****************************************************************************/
int unix_error_packet(char *outbuf,int def_class,uint32 def_code,
int line, const char *file)
{
int eclass=def_class;
int ecode=def_code;
int i=0;
if (unix_ERR_class != SMB_SUCCESS) {
eclass = unix_ERR_class;
ecode = unix_ERR_code;
unix_ERR_class = SMB_SUCCESS;
unix_ERR_code = 0;
} else {
while (unix_smb_errmap[i].smbclass != 0) {
if (unix_smb_errmap[i].unixerror == errno) {
eclass = unix_smb_errmap[i].smbclass;
ecode = unix_smb_errmap[i].smbcode;
break;
}
i++;
}
}
return error_packet(outbuf,NT_STATUS_OK,eclass,ecode,line,file);
}
/****************************************************************************
create an error packet. Normally called using the ERROR() macro
****************************************************************************/
int error_packet(char *outbuf,NTSTATUS ntstatus,
uint8 eclass,uint32 ecode,int line, const char *file)
{
int outsize = set_message(outbuf,0,0,True);
extern uint32 global_client_caps;
if (errno != 0)
DEBUG(3,("error string = %s\n",strerror(errno)));
if (global_client_caps & CAP_STATUS32) {
if (NT_STATUS_V(ntstatus) == 0 && eclass) {
ntstatus = dos_to_ntstatus(eclass, ecode);
}
SIVAL(outbuf,smb_rcls,NT_STATUS_V(ntstatus));
SSVAL(outbuf,smb_flg2, SVAL(outbuf,smb_flg2)|FLAGS2_32_BIT_ERROR_CODES);
DEBUG(3,("error packet at %s(%d) cmd=%d (%s) %s\n",
file, line,
(int)CVAL(outbuf,smb_com),
smb_fn_name(CVAL(outbuf,smb_com)),
get_nt_error_msg(ntstatus)));
return outsize;
}
if (eclass == 0 && NT_STATUS_V(ntstatus)) {
ntstatus_to_dos(ntstatus, &eclass, &ecode);
}
SSVAL(outbuf,smb_flg2, SVAL(outbuf,smb_flg2)&~FLAGS2_32_BIT_ERROR_CODES);
SSVAL(outbuf,smb_rcls,eclass);
SSVAL(outbuf,smb_err,ecode);
DEBUG(3,("error packet at %s(%d) cmd=%d (%s) eclass=%d ecode=%d\n",
file, line,
(int)CVAL(outbuf,smb_com),
smb_fn_name(CVAL(outbuf,smb_com)),
eclass,
ecode));
return outsize;
}
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