diff -uNr samba-3.0.5.org/source/smbd/uid.c samba-3.0.5/source/smbd/uid.c
--- samba-3.0.5.org/source/smbd/uid.c	Fri Jul 23 11:08:55 2004
+++ samba-3.0.5/source/smbd/uid.c	Mon Jul 26 10:38:21 2004
@@ -190,11 +190,22 @@
 	snum = SNUM(conn);
 
 	if (conn->force_user) /* security = share sets this too */ {
+		user_struct tmpuser;
 		uid = conn->uid;
 		gid = conn->gid;
 		current_user.groups = conn->groups;
 		current_user.ngroups = conn->ngroups;
 		token = conn->nt_user_token;
+
+		/*
+		 * when security = share, Samba should checks for write list and 
+		 * read list parameters for this particular user.
+		 */
+
+		fstrcpy(tmpuser.user.unix_name, conn->user);
+		tmpuser.groups = conn->groups;
+		tmpuser.n_groups = conn->ngroups;
+		conn->read_only = is_share_read_only_for_user(conn, &tmpuser);
 	} else if ((vuser) && check_user_ok(conn, vuser, snum)) {
 		uid = conn->admin_user ? 0 : vuser->uid;
 		gid = vuser->gid;