more dfs stuff. this looks like it's going to be more appropriate to use

the vfs tables.  at the moment, i replaced all calls to unix_convert()
with unix_dfs_convert().

this does the job, but it's not very nice.
(This used to be commit 00d4aebce9f268a737ef9df9bdbe59f8fe831979)

5 files changed, 231 insertions, 84 deletions

diff --git a/source3/smbd/dfs.c b/source3/smbd/dfs.c
index ca45d89b37c..55433f2c479 100644
--- a/source3/smbd/dfs.c
+++ b/source3/smbd/dfs.c
@@ -18,42 +18,42 @@ static BOOL parse_dfs_text_entry(char *line, dfs_internal_table *buf)
 	tok[count] = strtok(line,":");
 	
 	/* strip the comment lines */
-	if (tok[0][0]=='#') return (False);	
+	if (tok[0][0] == '#') return (False);	
 	count++;
 	
-	while ( ((tok[count] = strtok(NULL,":")) != NULL ) && count<MAXTOK)
+	while ( ((tok[count] = strtok(NULL,":")) != NULL ) && count < MAXTOK)
 	{
 		count++;
 	}
 
 	DEBUG(7,("Found [%d] tokens\n", count));
 
-	if (count>1) {
+	if (count > 1) {
 		StrnCpy(buf->localpath, tok[0], sizeof(buf->localpath)-1);
 		StrnCpy(buf->sharename, tok[1], sizeof(buf->sharename)-1);
 /*
 		strupper(buf->localpath);
 		strupper(buf->sharename);		
 */
-		buf->localpath_length=strlen(buf->localpath);
-		buf->sharename_length=strlen(buf->sharename);
+		buf->localpath_length = strlen(buf->localpath);
+		buf->sharename_length = strlen(buf->sharename);
 	}
 	else
 		return (False);
 	
-	if (count>2)
+	if (count > 2)
 		buf->proximity = atoi(tok[2]);
 	else
 		buf->proximity = 0;
 			
-	if (count>3)	
+	if (count > 3)	
 		buf->type = atoi(tok[3]);
 	else
 		buf->type = 2;
 
-	DEBUGADD(7,("[%s]\n", buf->localpath));
-	DEBUGADD(7,("[%s]\n", buf->sharename));
-	return(True);
+	DEBUGADD(7,("localpath: [%s]\n", buf->localpath));
+	DEBUGADD(7,("sharename: [%s]\n", buf->sharename));
+	return True;
 }  
 
 /****************************************************************************
@@ -69,7 +69,7 @@ static void mangle_dfs_path(dfs_internal_table *buf)
 	fstring temp;
 	
 	p = buf->localpath;
-	mp =buf->mangledpath;
+	mp = buf->mangledpath;
 	mlen = sizeof(buf->mangledpath);
 	
 	ZERO_STRUCTP(mp);
@@ -112,19 +112,19 @@ initialisation de la table dfs en memoire au demarrage de samba
 ****************************************************************************/
 BOOL init_dfs_table(void)
 {
-	char *file=lp_dfs_map();
-	int num_lines=0;
-	int total=0;
+	char *file = lp_dfs_map();
+	int num_lines = 0;
+	int total = 0;
 	FILE *f;
 	pstring line;
 	int i;
 	
 	dfs_internal_table *entry;
 	
-	entry=NULL;
-	dfs_struct.ready=False;	
+	entry = NULL;
+	dfs_struct.ready = False;	
 	
-	if (*file=='\0') {
+	if (*file == '\0') {
 		DEBUG(0,("No DFS map, Samba is running in NON DFS mode\n"));
 		return False;
 	}
@@ -150,75 +150,106 @@ BOOL init_dfs_table(void)
 		}
 		num_lines++;
 	}
-	dfs_struct.size=total;
-	dfs_struct.table=entry;
+	dfs_struct.size = total;
+	dfs_struct.table = entry;
 	fclose(f);
 	
 	/* we have the file in memory */
 	/* now initialise the mangled names */	
-	for (i=0; i<total; i++)
+	for (i = 0; i < total; i++)
 	{
 		mangle_dfs_path(&(entry[i]));
 	}
 
-	dfs_struct.ready=True;	
+	dfs_struct.ready = True;	
 	DEBUG(0,("Samba is DFS aware now!\n"));
 	return True;
 }
 
+static BOOL check_dfs_path(int search_len, const char *search_path,
+		int path_len, const char* fullpath,
+		const char* sharename,
+		const char* share_path, size_t share_len,
+		char *localpath, size_t local_plen)
+{
+	if (StrnCaseCmp(search_path, fullpath, search_len) != 0)
+	{
+		return False;
+	}
+
+	DEBUG(2,("found one linked to [%s]. share_path: %s\n",
+		sharename, share_path));
+	
+	if (StrnCaseCmp(fullpath, share_path, share_len) == 0)
+	{
+		safe_strcpy(localpath, fullpath + share_len, local_plen);
+	}
+	else
+	{
+		localpath[0] = 0;
+	}
+
+	return True;
+}
+
 /****************************************************************************
  check if a path name is a DFS branch
 ****************************************************************************/
-int under_dfs(connection_struct *conn, const char *path)
+int under_dfs(connection_struct *conn, const char *path,
+				char *local_path, size_t local_plen)
 {
 	fstring fullpath; 
+	pstring share_path;
 	int i; 
 	int snum;
 		
-	int mangled_len;
-	int file_len;
 	int path_len;
+	int share_len;
 
-	BOOL ok=False; 
-
-	dfs_internal_table *list=dfs_struct.table;
+	dfs_internal_table *list = dfs_struct.table;
 	
-	snum=SNUM(conn);
+	snum = SNUM(conn);
+	snprintf(share_path, sizeof(share_path), "\\%s\\%s",
+		           global_myname, lp_servicename(snum));
+	share_len = strlen(share_path);
+
 	if (path[0] != '\\')
 	{
-		snprintf(fullpath, sizeof(fullpath), "\\%s\\%s\\%s",
-		           global_myname, lp_servicename(snum), path);
+		snprintf(fullpath, sizeof(fullpath), "%s\\%s",
+		           share_path, path);
 	}
 	else
 	{
 		safe_strcpy(fullpath, path, sizeof(fullpath));
 	}
 	
-	strupper(fullpath);
-	
-	path_len=strlen(fullpath); 
+	path_len = strlen(fullpath); 
 
 	DEBUG(2,("DFS looking for: [%s]\n", fullpath));
-	for(i=0; i<dfs_struct.size; i++)
+
+	for (i = 0; i < dfs_struct.size; i++)
 	{ 
-		file_len=list[i].localpath_length;
-		mangled_len=list[i].mangledpath_length;
- 
 		DEBUG(6,("checking against [%s][%d]\n", list[i].localpath,i));
 		
-		if(file_len==path_len && !StrnCaseCmp(list[i].localpath, fullpath, file_len))
+		if (check_dfs_path(list[i].localpath_length,
+		                   list[i].localpath,
+		                   path_len, fullpath,
+		                   list[i].sharename,
+		                   share_path, share_len,
+		                   local_path, local_plen))
 		{
-			DEBUG(2,("found one linked to [%s]\n", list[i].sharename));
-			ok=True;
-			break;
+			return True;
 		}
- 
-		if(mangled_len==path_len && !StrnCaseCmp(list[i].mangledpath, fullpath, mangled_len))
+
+		if (check_dfs_path(list[i].mangledpath_length,
+		                   list[i].mangledpath,
+		                   path_len, fullpath,
+		                   list[i].sharename,
+		                   share_path, share_len,
+		                   local_path, local_plen))
 		{
-			DEBUG(2,("found one mangled linked to [%s]\n", list[i].sharename));
-			ok=True;
-			break;
+			return True;
 		}
 	}
-	return ok;
+	return False;
 }
diff --git a/source3/smbd/filename.c b/source3/smbd/filename.c
index fb2f57339b4..1d9c5ef754e 100644
--- a/source3/smbd/filename.c
+++ b/source3/smbd/filename.c
@@ -26,6 +26,7 @@ extern BOOL case_sensitive;
 extern BOOL case_preserve;
 extern BOOL short_case_preserve;
 extern fstring remote_machine;
+extern pstring global_myname;
 extern BOOL use_mangled_map;
 
 static BOOL scan_directory(char *path, char *name,connection_struct *conn,BOOL docache);
@@ -309,6 +310,35 @@ static BOOL stat_cache_lookup(struct connection_struct *conn, char *name,
 }
 
 /****************************************************************************
+ this routine converts from the dos and dfs namespace to the unix namespace.
+****************************************************************************/
+BOOL unix_dfs_convert(char *name,connection_struct *conn,
+				char *saved_last_component, 
+				BOOL *bad_path, SMB_STRUCT_STAT *pst)
+{
+	pstring local_path;
+
+	DEBUG(10,("unix_dfs_convert: %s\n", name));
+
+	if (name != NULL &&
+	    under_dfs(conn, name, local_path, sizeof(local_path)))
+	{
+		DEBUG(10,("%s is in dfs map.\n", name));
+
+		/* check for our own name */
+		if (StrCaseCmp(global_myname, name+1) > 0)
+		{
+			return False;
+		}
+
+		pstrcpy(name, local_path);
+
+		DEBUG(10,("removed name: %s\n", name));
+	}
+	return unix_convert(name, conn, saved_last_component, bad_path, pst);
+}
+
+/****************************************************************************
 This routine is called to convert names from the dos namespace to unix
 namespace. It needs to handle any case conversions, mangling, format
 changes etc.
@@ -329,9 +359,9 @@ used to pick the correct error code to return between ENOENT and ENOTDIR
 as Windows applications depend on ERRbadpath being returned if a component
 of a pathname does not exist.
 ****************************************************************************/
-
-BOOL unix_convert(char *name,connection_struct *conn,char *saved_last_component, 
-                  BOOL *bad_path, SMB_STRUCT_STAT *pst)
+BOOL unix_convert(char *name,connection_struct *conn,
+				char *saved_last_component, 
+				BOOL *bad_path, SMB_STRUCT_STAT *pst)
 {
   SMB_STRUCT_STAT st;
   char *start, *end;
diff --git a/source3/smbd/nttrans.c b/source3/smbd/nttrans.c
index 657dd8b1302..ac688a5baa3 100644
--- a/source3/smbd/nttrans.c
+++ b/source3/smbd/nttrans.c
@@ -669,7 +669,11 @@ int reply_ntcreate_and_X(connection_struct *conn,
 		
 	set_posix_case_semantics(file_attributes);
 		
-	unix_convert(fname,conn,0,&bad_path,NULL);
+	if (!unix_dfs_convert(fname,conn,0,&bad_path,NULL))
+	{
+		SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+		return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+	}
 		
 	fsp = file_new();
 	if (!fsp) {
@@ -952,7 +956,11 @@ static int call_nt_transact_create(connection_struct *conn,
 
     set_posix_case_semantics(file_attributes);
 
-    unix_convert(fname,conn,0,&bad_path,NULL);
+	if (!unix_dfs_convert(fname,conn,0,&bad_path,NULL))
+	{
+		SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+		return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+	}
     
     fsp = file_new();
     if (!fsp) {
diff --git a/source3/smbd/reply.c b/source3/smbd/reply.c
index bfa68ab1400..b8300da40a3 100644
--- a/source3/smbd/reply.c
+++ b/source3/smbd/reply.c
@@ -832,15 +832,14 @@ int reply_chkpth(connection_struct *conn, char *inbuf,char *outbuf, int dum_size
   SMB_STRUCT_STAT st;
  
   pstrcpy(name,smb_buf(inbuf) + 1);
-  unix_convert(name,conn,0,&bad_path,&st);
-
-  mode = SVAL(inbuf,smb_vwv0);
- 
-  if(under_dfs(conn, name)) {
+  if (!unix_dfs_convert(name,conn,0,&bad_path,&st))
+  {
     SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
     return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
   }
 
+  mode = SVAL(inbuf,smb_vwv0);
+ 
   if (check_name(name,conn)) {
     if(VALID_STAT(st))
       ok = S_ISDIR(st.st_mode);
@@ -898,11 +897,6 @@ int reply_getatr(connection_struct *conn, char *inbuf,char *outbuf, int dum_size
  
   pstrcpy(fname,smb_buf(inbuf) + 1);
   
-  if (under_dfs(conn, fname)) {
-    SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
-    return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
-  }
-
   /* dos smetimes asks for a stat of "" - it returns a "hidden directory"
      under WfWg - weird! */
   if (! (*fname))
@@ -915,7 +909,11 @@ int reply_getatr(connection_struct *conn, char *inbuf,char *outbuf, int dum_size
   }
   else
   {
-    unix_convert(fname,conn,0,&bad_path,&sbuf);
+    if (!unix_dfs_convert(fname,conn,0,&bad_path,&sbuf))
+  {
+    SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+    return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+  }
     if (check_name(fname,conn))
     {
       if (VALID_STAT(sbuf) || conn->vfs_ops.stat(dos_to_unix(fname,False),&sbuf) == 0)
@@ -980,7 +978,11 @@ int reply_setatr(connection_struct *conn, char *inbuf,char *outbuf, int dum_size
   BOOL bad_path = False;
  
   pstrcpy(fname,smb_buf(inbuf) + 1);
-  unix_convert(fname,conn,0,&bad_path,&st);
+  if (!unix_dfs_convert(fname,conn,0,&bad_path,&st))
+  {
+    SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+    return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+  }
 
   mode = SVAL(inbuf,smb_vwv0);
   mtime = make_unix_date3(inbuf+smb_vwv1);
@@ -1087,7 +1089,11 @@ int reply_search(connection_struct *conn, char *inbuf,char *outbuf, int dum_size
 
       pstrcpy(directory,smb_buf(inbuf)+1);
       pstrcpy(dir2,smb_buf(inbuf)+1);
-      unix_convert(directory,conn,0,&bad_path,NULL);
+      if (!unix_dfs_convert(directory,conn,0,&bad_path,NULL))
+  {
+    SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+    return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+  }
       unix_format(dir2);
 
       if (!check_name(directory,conn))
@@ -1348,7 +1354,11 @@ int reply_open(connection_struct *conn, char *inbuf,char *outbuf, int dum_size,
   share_mode = SVAL(inbuf,smb_vwv0);
 
   pstrcpy(fname,smb_buf(inbuf)+1);
-  unix_convert(fname,conn,0,&bad_path,NULL);
+  if (!unix_dfs_convert(fname,conn,0,&bad_path,NULL))
+  {
+    SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+    return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+  }
     
   fsp = file_new();
   if (!fsp)
@@ -1453,7 +1463,11 @@ int reply_open_and_X(connection_struct *conn, char *inbuf,char *outbuf,int lengt
   /* XXXX we need to handle passed times, sattr and flags */
 
   pstrcpy(fname,smb_buf(inbuf));
-  unix_convert(fname,conn,0,&bad_path,NULL);
+  if (!unix_dfs_convert(fname,conn,0,&bad_path,NULL))
+  {
+    SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+    return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+  }
     
   fsp = file_new();
   if (!fsp)
@@ -1587,7 +1601,11 @@ int reply_mknew(connection_struct *conn, char *inbuf,char *outbuf, int dum_size,
 
   createmode = SVAL(inbuf,smb_vwv0);
   pstrcpy(fname,smb_buf(inbuf)+1);
-  unix_convert(fname,conn,0,&bad_path,NULL);
+  if (!unix_dfs_convert(fname,conn,0,&bad_path,NULL))
+  {
+    SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+    return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+  }
 
   if (createmode & aVOLID)
     {
@@ -1673,7 +1691,11 @@ int reply_ctemp(connection_struct *conn, char *inbuf,char *outbuf, int dum_size,
   createmode = SVAL(inbuf,smb_vwv0);
   pstrcpy(fname,smb_buf(inbuf)+1);
   pstrcat(fname,"/TMXXXXXX");
-  unix_convert(fname,conn,0,&bad_path,NULL);
+  if (!unix_dfs_convert(fname,conn,0,&bad_path,NULL))
+  {
+    SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+    return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+  }
   
   unixmode = unix_mode(conn,createmode);
   
@@ -1779,7 +1801,11 @@ int reply_unlink(connection_struct *conn, char *inbuf,char *outbuf, int dum_size
    
   DEBUG(3,("reply_unlink : %s\n",name));
    
-  unix_convert(name,conn,0,&bad_path,NULL);
+  if (!unix_dfs_convert(name,conn,0,&bad_path,NULL))
+  {
+    SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+    return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+  }
 
   p = strrchr(name,'/');
   if (!p) {
@@ -2940,7 +2966,11 @@ int reply_mkdir(connection_struct *conn, char *inbuf,char *outbuf, int dum_size,
   BOOL bad_path = False;
  
   pstrcpy(directory,smb_buf(inbuf) + 1);
-  unix_convert(directory,conn,0,&bad_path,NULL);
+  if (!unix_dfs_convert(directory,conn,0,&bad_path,NULL))
+  {
+    SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+    return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+  }
   
   if (check_name(directory, conn))
     ret = conn->vfs_ops.mkdir(dos_to_unix(directory,False),
@@ -3035,7 +3065,11 @@ int reply_rmdir(connection_struct *conn, char *inbuf,char *outbuf, int dum_size,
   BOOL bad_path = False;
 
   pstrcpy(directory,smb_buf(inbuf) + 1);
-  unix_convert(directory,conn, NULL,&bad_path,NULL);
+  if (!unix_dfs_convert(directory,conn, NULL,&bad_path,NULL))
+  {
+    SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+    return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+  }
   
   if (check_name(directory,conn))
     {
@@ -3236,12 +3270,20 @@ int rename_internals(connection_struct *conn,
 
 	*directory = *mask = 0;
 
-	unix_convert(name,conn,0,&bad_path1,NULL);
-	unix_convert(newname,conn,newname_last_component,&bad_path2,NULL);
+	if (!unix_dfs_convert(name,conn,0,&bad_path1,NULL))
+  {
+    SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+    return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+  }
+	if (!unix_dfs_convert(newname,conn,newname_last_component,&bad_path2,NULL))
+  {
+    SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+    return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+  }
 
 	/*
 	 * Split the old name into directory and last component
-	 * strings. Note that unix_convert may have stripped off a 
+	 * strings. Note that if (!unix_dfs_convert may have stripped off a 
 	 * leading ./ from both name and newname if the rename is 
 	 * at the root of the share. We need to make sure either both
 	 * name and newname contain a / character or neither of them do
@@ -3552,8 +3594,16 @@ int reply_copy(connection_struct *conn, char *inbuf,char *outbuf, int dum_size,
     return(ERROR(ERRSRV,ERRinvdevice));
   }
 
-  unix_convert(name,conn,0,&bad_path1,NULL);
-  unix_convert(newname,conn,0,&bad_path2,NULL);
+  if (!unix_dfs_convert(name,conn,0,&bad_path1,NULL))
+  {
+    SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+    return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+  }
+  if (!unix_dfs_convert(newname,conn,0,&bad_path2,NULL))
+  {
+    SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+    return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+  }
 
   target_is_directory = dos_directory_exist(newname,NULL);
 
diff --git a/source3/smbd/trans2.c b/source3/smbd/trans2.c
index f324b658b96..14fa26dd559 100644
--- a/source3/smbd/trans2.c
+++ b/source3/smbd/trans2.c
@@ -216,7 +216,11 @@ static int call_trans2open(connection_struct *conn, char *inbuf, char *outbuf,
 
   /* XXXX we need to handle passed times, sattr and flags */
 
-  unix_convert(fname,conn,0,&bad_path,NULL);
+  if (!unix_dfs_convert(fname,conn,0,&bad_path,NULL))
+	{
+		SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+		return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+	}
     
   fsp = file_new();
   if (!fsp)
@@ -665,7 +669,11 @@ static int call_trans2findfirst(connection_struct *conn,
 
   DEBUG(5,("path=%s\n",directory));
 
-  unix_convert(directory,conn,0,&bad_path,NULL);
+  if (!unix_dfs_convert(directory,conn,0,&bad_path,NULL))
+	{
+		SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+		return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+	}
   if(!check_name(directory,conn)) {
     if((errno == ENOENT) && bad_path)
     {
@@ -1255,7 +1263,11 @@ static int call_trans2qfilepathinfo(connection_struct *conn,
        * to do this call. JRA.
        */
       fname = fsp->fsp_name;
-      unix_convert(fname,conn,0,&bad_path,&sbuf);
+      if (!unix_dfs_convert(fname,conn,0,&bad_path,&sbuf))
+	{
+		SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+		return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+	}
       if (!check_name(fname,conn) || (!VALID_STAT(sbuf) && 
 	  conn->vfs_ops.stat(dos_to_unix(fname,False),&sbuf))) {
         DEBUG(3,("fileinfo of %s failed (%s)\n",fname,strerror(errno)));
@@ -1288,7 +1300,11 @@ static int call_trans2qfilepathinfo(connection_struct *conn,
     info_level = SVAL(params,0);
     fname = &fname1[0];
     pstrcpy(fname,&params[6]);
-    unix_convert(fname,conn,0,&bad_path,&sbuf);
+    if (!unix_dfs_convert(fname,conn,0,&bad_path,&sbuf))
+	{
+		SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+		return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+	}
     if (!check_name(fname,conn) || 
 	(!VALID_STAT(sbuf) && conn->vfs_ops.stat(dos_to_unix(fname,False),
 						 &sbuf))) {
@@ -1518,7 +1534,11 @@ static int call_trans2setfilepathinfo(connection_struct *conn,
        * to do this call. JRA.
        */
       fname = fsp->fsp_name;
-      unix_convert(fname,conn,0,&bad_path,&st);
+      if (!unix_dfs_convert(fname,conn,0,&bad_path,&st))
+	{
+		SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+		return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+	}
       if (!check_name(fname,conn) || (!VALID_STAT(st) && 
 				      conn->vfs_ops.stat(dos_to_unix(fname,False),&st))) {
         DEBUG(3,("fileinfo of %s failed (%s)\n",fname,strerror(errno)));
@@ -1549,7 +1569,11 @@ static int call_trans2setfilepathinfo(connection_struct *conn,
     info_level = SVAL(params,0);    
     fname = fname1;
     pstrcpy(fname,&params[6]);
-    unix_convert(fname,conn,0,&bad_path,&st);
+    if (!unix_dfs_convert(fname,conn,0,&bad_path,&st))
+	{
+		SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+		return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+	}
     if(!check_name(fname, conn))
     {
       if((errno == ENOENT) && bad_path)
@@ -1880,7 +1904,11 @@ static int call_trans2mkdir(connection_struct *conn,
 
   DEBUG(3,("call_trans2mkdir : name = %s\n", directory));
 
-  unix_convert(directory,conn,0,&bad_path,NULL);
+  if (!unix_dfs_convert(directory,conn,0,&bad_path,NULL))
+	{
+		SSVAL(outbuf, smb_flg2, FLAGS2_32_BIT_ERROR_CODES);
+		return(ERROR(0, 0xc0000000|NT_STATUS_PATH_NOT_COVERED));
+	}
   if (check_name(directory,conn))
     ret = conn->vfs_ops.mkdir(dos_to_unix(directory,False),
 			      unix_mode(conn,aDIR));