root@host:/tmp# mount --verbose -t cifs -o rw,guest,file_mode=0777,dir_mode=0777 //192.168.1.1/samba ./asd
mount.cifs kernel mount options: ip=192.168.1.1,unc=\192.168.1.1samba,guest,file_mode=0777,dir_mode=0777,user=,prefixpath=,pass=********
root@host:/tmp# cd asd
root@host:/tmp/asd# LANG=C touch a
touch: cannot touch `a': Permission denied
root@host:/tmp/asd#

root@host:/tmp/asd# LANG=C lsattr existingfile
lsattr: Permission denied While reading flags on existingfile