Handle autofs entries in /etc/mtab

Some file systems can be mounted using autofs, which should be
considered during analysis of /etc/mtab.F or more details,
please see the comment introduced in this patch.

Author: jan-cerny

src/OVAL/probes/fsdev.c

@@ -125,6 +125,20 @@ is_local_fs(struct mntent *ment)
 #if 1
 	char *s;
 
+	/*
+	 * When type of the filesystem is autofs, it means the mtab entry
+	 * describes the autofs configuration, which means ment->mnt_fsname
+	 * is a path to the relevant autofs map, eg. /etc/auto.misc. In this
+	 * situation, the following code which analyses ment->mnt_type would
+	 * not work. When the filesystem handled by autofs is mounted, there
+	 * is another different entry in mtab which contains the real block
+	 * special device or remote filesystem in ment->mnt_fsname, and that
+	 * will be parsed in a different call of this function.
+	 */
+	if (!strcmp(ment->mnt_type, "autofs")) {
+		return 0;
+	}
+
 	s = ment->mnt_fsname;
 	/* If the fsname begins with "//", it is probably CIFS. */
 	if (s[0] == '/' && s[1] == '/')