diff -urN -X exclude samba-3.0.6-orig/source/client/smbmount.c samba-3.0.6/source/client/smbmount.c
--- samba-3.0.6-orig/source/client/smbmount.c	2004-04-20 22:42:58.000000000 +0200
+++ samba-3.0.6/source/client/smbmount.c	2004-08-25 23:57:37.487855173 +0200
@@ -53,6 +53,7 @@
 static BOOL status32_smbfs = False;
 static BOOL smbfs_has_unicode = False;
 static BOOL smbfs_has_lfs = False;
+static BOOL smbfs_has_unixext = True;
 
 static void usage(void);
 
@@ -212,6 +213,8 @@
   		c->capabilities &= ~CAP_STATUS32;
 		c->force_dos_errors = True;
 	}
+  	if (!smbfs_has_unixext)
+		c->capabilities &= ~CAP_UNIX;
 
 	if (!cli_session_setup(c, username, 
 			       password, strlen(password),
@@ -685,6 +688,8 @@
       scope=<arg>                     NetBIOS scope\n\
       iocharset=<arg>                 Linux charset (iso8859-1, utf8)\n\
       codepage=<arg>                  server codepage (cp850)\n\
+      unix                            enable unix cifs extensions\n\
+      nounix                          disable unix cifs extensions\n\
       unicode                         use unicode when communicating with server\n\
       lfs                             large file system support\n\
       ttl=<arg>                       dircache time to live\n\
@@ -832,6 +837,10 @@
 				mount_ro = 0;
 			} else if(!strcmp(opts, "ro")) {
 				mount_ro = 1;
+			} else if(!strcmp(opts, "unix")) {
+				smbfs_has_unixext = True;
+			} else if(!strcmp(opts, "nounix")) {
+				smbfs_has_unixext = False;
 			} else if(!strcmp(opts, "unicode")) {
 				smbfs_has_unicode = True;
 			} else if(!strcmp(opts, "lfs")) {
@@ -914,6 +923,9 @@
 			dyn_CONFIGFILE);
 	}
 
+	/* pick default from configfile */
+	smbfs_has_unixext = lp_unix_extensions();
+
 	parse_mount_smb(argc, argv);
 
 	if (use_kerberos && !got_user) {