-#define OLD_NTDOMAIN 1
-
/*
- Unix SMB/Netbios implementation.
- Version 1.9.
+ Unix SMB/CIFS implementation.
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
+ 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,
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.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
-extern int DEBUGLEVEL;
-
-/* these can be set by some functions to override the error codes */
-int unix_ERR_class=SMB_SUCCESS;
-int unix_ERR_code=0;
+/* From lib/error.c */
+extern struct unix_error_map unix_dos_nt_errmap[];
+extern uint32 global_client_caps;
/****************************************************************************
- create an error packet from a cached error.
+ Create an error packet from errno.
****************************************************************************/
-int cached_error_packet(char *inbuf,char *outbuf,files_struct *fsp,int line)
+
+int unix_error_packet(char *outbuf,int def_class,uint32 def_code, NTSTATUS def_status, int line, const char *file)
{
- write_bmpx_struct *wbmpx = fsp->wbmpx_ptr;
+ int eclass=def_class;
+ int ecode=def_code;
+ NTSTATUS ntstatus = def_status;
+ int i=0;
- int32 eclass = wbmpx->wr_errclass;
- int32 err = wbmpx->wr_error;
+ if (errno != 0) {
+ DEBUG(3,("unix_error_packet: error string = %s\n",strerror(errno)));
+
+ while (unix_dos_nt_errmap[i].dos_class != 0) {
+ if (unix_dos_nt_errmap[i].unix_error == errno) {
+ eclass = unix_dos_nt_errmap[i].dos_class;
+ ecode = unix_dos_nt_errmap[i].dos_code;
+ ntstatus = unix_dos_nt_errmap[i].nt_error;
+ break;
+ }
+ i++;
+ }
+ }
+
+ return error_packet(outbuf,eclass,ecode,ntstatus,line,file);
+}
- /* We can now delete the auxiliary struct */
- free((char *)wbmpx);
- fsp->wbmpx_ptr = NULL;
- return error_packet(inbuf,outbuf,eclass,err,line);
+BOOL use_nt_status(void)
+{
+ return lp_nt_status_support() && (global_client_caps & CAP_STATUS32);
}
+/****************************************************************************
+ Create an error packet. Normally called using the ERROR() macro.
+ Setting eclass and ecode only and status to NT_STATUS_OK forces DOS errors.
+ Setting status only and eclass and ecode to zero forces NT errors.
+ If the override errors are set they take precedence over any passed in values.
+****************************************************************************/
-struct
+void error_packet_set(char *outbuf, uint8 eclass, uint32 ecode, NTSTATUS ntstatus, int line, const char *file)
{
- int unixerror;
- int smbclass;
- int smbcode;
-} unix_smb_errmap[] =
+ BOOL force_nt_status = False;
+ BOOL force_dos_status = False;
+
+ if (eclass == (uint8)-1) {
+ force_nt_status = True;
+ } else if (NT_STATUS_IS_DOS(ntstatus)) {
+ force_dos_status = True;
+ }
+
+ if (force_nt_status || (!force_dos_status && lp_nt_status_support() && (global_client_caps & CAP_STATUS32))) {
+ /* We're returning an NT error. */
+ 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)),
+ nt_errstr(ntstatus)));
+ } else {
+ /* We're returning a DOS error only. */
+ if (NT_STATUS_IS_DOS(ntstatus)) {
+ eclass = NT_STATUS_DOS_CLASS(ntstatus);
+ ecode = NT_STATUS_DOS_CODE(ntstatus);
+ } else 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));
+ }
+}
+
+int error_packet(char *outbuf, uint8 eclass, uint32 ecode, NTSTATUS ntstatus, int line, const char *file)
{
- {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}
-};
+ int outsize = set_message(outbuf,0,0,True);
+ error_packet_set(outbuf, eclass, ecode, ntstatus, line, file);
+ return outsize;
+}
-/****************************************************************************
- create an error packet from errno
-****************************************************************************/
-int unix_error_packet(char *inbuf,char *outbuf,int def_class,uint32 def_code,int line)
+void reply_nt_error(struct smb_request *req, NTSTATUS ntstatus,
+ int line, const char *file)
+{
+ TALLOC_FREE(req->outbuf);
+ reply_outbuf(req, 0, 0);
+ error_packet_set((char *)req->outbuf, 0, 0, ntstatus, line, file);
+}
+
+void reply_force_nt_error(struct smb_request *req, NTSTATUS ntstatus,
+ 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(inbuf,outbuf,eclass,ecode,line));
+ TALLOC_FREE(req->outbuf);
+ reply_outbuf(req, 0, 0);
+ error_packet_set((char *)req->outbuf, -1, -1, ntstatus, line, file);
}
+void reply_dos_error(struct smb_request *req, uint8 eclass, uint32 ecode,
+ int line, const char *file)
+{
+ TALLOC_FREE(req->outbuf);
+ reply_outbuf(req, 0, 0);
+ error_packet_set((char *)req->outbuf, eclass, ecode, NT_STATUS_OK, line,
+ file);
+}
-/****************************************************************************
- create an error packet. Normally called using the ERROR() macro
-****************************************************************************/
-int error_packet(char *inbuf,char *outbuf,int error_class,uint32 error_code,int line)
+void reply_both_error(struct smb_request *req, uint8 eclass, uint32 ecode,
+ NTSTATUS status, int line, const char *file)
{
- int outsize = set_message(outbuf,0,0,True);
- int cmd = CVAL(inbuf,smb_com);
- int flgs2 = SVAL(outbuf,smb_flg2);
-
- if ((flgs2 & FLAGS2_32_BIT_ERROR_CODES) == FLAGS2_32_BIT_ERROR_CODES)
- {
- SIVAL(outbuf,smb_rcls,error_code);
-
- DEBUG( 3, ( "32 bit error packet at line %d cmd=%d (%s) eclass=%08x [%s]\n",
- line, cmd, smb_fn_name(cmd), error_code, smb_errstr(outbuf) ) );
- }
- else
- {
- CVAL(outbuf,smb_rcls) = error_class;
- SSVAL(outbuf,smb_err,error_code);
- DEBUG( 3, ( "error packet at line %d cmd=%d (%s) eclass=%d ecode=%d\n",
- line,
- (int)CVAL(inbuf,smb_com),
- smb_fn_name(CVAL(inbuf,smb_com)),
- error_class,
- error_code ) );
-
- }
-
- if (errno != 0)
- DEBUG(3,("error string = %s\n",strerror(errno)));
-
- return(outsize);
+ TALLOC_FREE(req->outbuf);
+ reply_outbuf(req, 0, 0);
+ error_packet_set((char *)req->outbuf, eclass, ecode, status,
+ line, file);
+}
+
+void reply_unix_error(struct smb_request *req, uint8 defclass, uint32 defcode,
+ NTSTATUS defstatus, int line, const char *file)
+{
+ int eclass=defclass;
+ int ecode=defcode;
+ NTSTATUS ntstatus = defstatus;
+ int i=0;
+
+ TALLOC_FREE(req->outbuf);
+ reply_outbuf(req, 0, 0);
+
+ if (errno != 0) {
+ DEBUG(3,("unix_error_packet: error string = %s\n",
+ strerror(errno)));
+
+ while (unix_dos_nt_errmap[i].dos_class != 0) {
+ if (unix_dos_nt_errmap[i].unix_error == errno) {
+ eclass = unix_dos_nt_errmap[i].dos_class;
+ ecode = unix_dos_nt_errmap[i].dos_code;
+ ntstatus = unix_dos_nt_errmap[i].nt_error;
+ break;
+ }
+ i++;
+ }
+ }
+
+ error_packet_set((char *)req->outbuf, eclass, ecode, ntstatus,
+ line, file);
+}
+
+void reply_openerror(struct smb_request *req, NTSTATUS status)
+{
+ if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_COLLISION)) {
+ /*
+ * We hit an existing file, and if we're returning DOS
+ * error codes OBJECT_NAME_COLLISION would map to
+ * ERRDOS/183, we need to return ERRDOS/80, see bug
+ * 4852.
+ */
+ reply_botherror(req, NT_STATUS_OBJECT_NAME_COLLISION,
+ ERRDOS, ERRfilexists);
+ } else {
+ reply_nterror(req, status);
+ }
}
-#undef OLD_NTDOMAIN
git.samba.org / samba.git / blobdiff