[Samba] cant login with my samba password only with my linux password

Hartmut freemlist at googlemail.com
Mon Dec 27 10:30:36 MST 2010


On Mon, Dec 27, 2010 at 2:16 AM, Gaiseric Vandal
<gaiseric.vandal at gmail.com> wrote:
> I can't see any way that, with your configuration, samba could be
> using your linux password as a samba password.  You would have to be
> using plain text passwords in windows have samba authenticate it
> against your linux password.    Is it really using your "linux"
> password, or at some point was your samba password the same as your
> linux password?

The samba and linux passwords was always different.

>
> Or did you configure pam or nsswitch.conf to have linux authenticate
> against "windows" passwords?

No. I use ubuntu 10.10 and the default configuration. See below my
nsswitch.conf, but i think it's the default and does not matter.


> Did you try running "testparm -v" in case there are some parameters
> with unexpected defaults?

Did this, see output below. But i can't find a "wrong" or unexpected paramter.

> Did you try disabling "obey pam restrictions?"  Maybe that is
> preventing the password change?

Yes, i tried this. The same result :(


> On Sat, Dec 25, 2010 at 11:32 AM, Hartmut <freemlist at googlemail.com> wrote:
>> Hello,
>>
>> I have a strange problem with my samba server. When I try to connect
>> with my (Windows)client and samba ask for the password, it's only
>> accepting my linux-user password, not my samba-user password (set with
>> smbpasswd and as root with smbpasswd <user>).
>>
>> And now the strange about it. When i change my sambapassword with
>> smbpasswd, and try to login from my client, then the samba-user password
>> is accepted. But after a reboot of my samba server, the server accepts
>> only the linux-user password. I have to (re)set the samba-user password
>> again with smbpasswd and only after that, I can login with the
>> samba-user password.
>>
>> Is there something wrong with my smb.conf (see below)? Or what else
>> could be the problem?
>>
>>
>> -------------
>> smb.conf:
>> [global]
>> #       debuglevel = 1
>>       workgroup = Gruppe
>>       server string = Datastring
>>       wins support = no
>>       dns proxy = no
>>
>>       interfaces = 192.168.1.0/24 127.0.0.1/8
>>       bind interfaces only = yes
>>
>>       log file = /var/log/samba/log.%m
>>       max log size = 1000
>>       syslog = 0
>>       security = user
>>       encrypt passwords = true
>>       passdb backend = tdbsam
>>       obey pam restrictions = yes
>>       unix password sync = no
>>       pam password change = no
>>       map to guest = bad user
>>       domain logons = no
>>       load printers = no
>>       domain master = no
>>       usershare allow guests = no
>>
>>       vfs objects = recycle
>>       recycle: repository = .trash.bin
>>       recycle: keeptree = Yes
>>       recycle:versions = Yes
>>
>> [lager]
>>       comment = Lager
>>       path = /media/lager_hdd
>>       public = no
>>       valid users = user1
>>       read only = no
>>       browseable = no
>> -------------
>>
>> Greetings
>> Hartmut
>> --
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>>
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>


--------------------------
Load smb config files from /etc/samba/smb.conf
rlimit_max: rlimit_max (1024) below minimum Windows limit (16384)
Processing section "[lager]"
Loaded services file OK.
Server role: ROLE_STANDALONE
Press enter to see a dump of your service definitions
[global]
        dos charset = CP850
        unix charset = UTF-8
        display charset = LOCALE
        workgroup = Gruppe
        realm =
        netbios name = SERVER1
        netbios aliases =
        netbios scope =
        server string = Datastring
        interfaces = 192.168.1.0/24, 127.0.0.1/8
        bind interfaces only = Yes
        security = USER
        auth methods =
        encrypt passwords = Yes
        update encrypted = No
        client schannel = Auto
        server schannel = Auto
        allow trusted domains = Yes
        map to guest = Bad User
        null passwords = No
        obey pam restrictions = Yes
        password server = *
        smb passwd file = /etc/samba/smbpasswd
        private dir = /etc/samba
        passdb backend = tdbsam
        algorithmic rid base = 1000
        root directory =
        guest account = nobody
        enable privileges = Yes
        pam password change = No
        passwd program =
        passwd chat = *new*password* %n\n *new*password* %n\n *changed*
        passwd chat debug = No
        passwd chat timeout = 2
        check password script =
        username map =
        password level = 0
        username level = 0
        unix password sync = No
        restrict anonymous = 0
        lanman auth = No
        ntlm auth = Yes
        client NTLMv2 auth = No
        client lanman auth = No
        client plaintext auth = No
        preload modules =
        dedicated keytab file =
        kerberos method = default
        map untrusted to domain = No
        log level = 0
        syslog = 0
        syslog only = No
        log file = /var/log/samba/log.%m
        max log size = 1000
        debug timestamp = Yes
        debug prefix timestamp = No
        debug hires timestamp = Yes
        debug pid = No
        debug uid = No
        debug class = No
        enable core files = Yes
        smb ports = 445 139
        large readwrite = Yes
        max protocol = NT1
        min protocol = CORE
        min receivefile size = 0
        read raw = Yes
        write raw = Yes
        disable netbios = No
        reset on zero vc = No
        acl compatibility = auto
        defer sharing violations = Yes
        nt pipe support = Yes
        nt status support = Yes
        announce version = 4.9
        announce as = NT
        max mux = 50
        max xmit = 16644
        name resolve order = lmhosts wins host bcast
        max ttl = 259200
        max wins ttl = 518400
        min wins ttl = 21600
        time server = No
        unix extensions = Yes
        use spnego = Yes
        client signing = auto
        server signing = No
        client use spnego = Yes
        client ldap sasl wrapping = plain
        enable asu support = No
        svcctl list =
        deadtime = 0
        getwd cache = Yes
        keepalive = 300
        lpq cache time = 30
        max smbd processes = 0
        paranoid server security = Yes
        max disk size = 0
        max open files = 16384
        socket options = TCP_NODELAY
        use mmap = Yes
        hostname lookups = No
        name cache timeout = 660
        ctdbd socket =
        cluster addresses =
        clustering = No
        ctdb timeout = 0
        load printers = No
        printcap cache time = 750
        printcap name =
        cups server =
        cups encrypt = No
        cups connection timeout = 30
        iprint server =
        disable spoolss = No
        addport command =
        enumports command =
        addprinter command =
        deleteprinter command =
        show add printer wizard = Yes
        os2 driver map =
        mangling method = hash2
        mangle prefix = 1
        max stat cache size = 256
        stat cache = Yes
        machine password timeout = 604800
        add user script =
        rename user script =
        delete user script =
        add group script =
        delete group script =
        add user to group script =
        delete user from group script =
        set primary group script =
        add machine script =
        shutdown script =
        abort shutdown script =
        username map script =
        logon script =
        logon path = \\%N\%U\profile
        logon drive =
        logon home = \\%N\%U
        domain logons = No
        init logon delayed hosts =
        init logon delay = 100
        os level = 20
        lm announce = Auto
        lm interval = 60
        preferred master = No
        local master = Yes
        domain master = No
        browse list = Yes
        enhanced browsing = Yes
        dns proxy = No
        wins proxy = No
        wins server =
        wins support = No
        wins hook =
        kernel oplocks = Yes
        lock spin time = 200
        oplock break wait time = 0
        ldap admin dn =
        ldap delete dn = No
        ldap group suffix =
        ldap idmap suffix =
        ldap machine suffix =
        ldap passwd sync = no
        ldap replication sleep = 1000
        ldap suffix =
        ldap ssl = start tls
        ldap ssl ads = No
        ldap deref = auto
        ldap follow referral = Auto
        ldap timeout = 15
        ldap connection timeout = 2
        ldap page size = 1024
        ldap user suffix =
        ldap debug level = 0
        ldap debug threshold = 10
        eventlog list =
        add share command =
        change share command =
        delete share command =
        preload =
        lock directory = /var/run/samba
        state directory = /var/lib/samba
        cache directory = /var/cache/samba
        pid directory = /var/run/samba
        utmp directory =
        wtmp directory =
        utmp = No
        default service =
        message command =
        get quota command =
        set quota command =
        remote announce =
        remote browse sync =
        socket address = 0.0.0.0
        nmbd bind explicit broadcast = Yes
        homedir map = auto.home
        afs username map =
        afs token lifetime = 604800
        log nt token command =
        time offset = 0
        NIS homedir = No
        registry shares = No
        usershare allow guests = No
        usershare max shares = 100
        usershare owner only = Yes
        usershare path = /var/lib/samba/usershares
        usershare prefix allow list =
        usershare prefix deny list =
        usershare template share =
        panic action =
        perfcount module =
        host msdfs = Yes
        passdb expand explicit = No
        idmap backend = tdb
        idmap alloc backend =
        idmap cache time = 604800
        idmap negative cache time = 120
        idmap uid =
        idmap gid =
        template homedir = /home/%D/%U
        template shell = /bin/false
        winbind separator = \
        winbind cache time = 300
        winbind reconnect delay = 30
        winbind enum users = No
        winbind enum groups = No
        winbind use default domain = No
        winbind trusted domains only = No
        winbind nested groups = Yes
        winbind expand groups = 1
        winbind nss info = template
        winbind refresh tickets = No
        winbind offline logon = No
        winbind normalize names = No
        winbind rpc only = No
        create krb5 conf = Yes
        recycle:versions = Yes
        recycle: keeptree = Yes
        recycle: repository = .trash.bin
        comment =
        path =
        username =
        invalid users =
        valid users =
        admin users =
        read list =
        write list =
        printer admin =
        force user =
        force group =
        read only = Yes
        acl check permissions = Yes
        acl group control = No
        acl map full control = Yes
        create mask = 0744
        force create mode = 00
        security mask = 0777
        force security mode = 00
        directory mask = 0755
        force directory mode = 00
        directory security mask = 0777
        force directory security mode = 00
        force unknown acl user = No
        inherit permissions = No
        inherit acls = No
        inherit owner = No
        guest only = No
        administrative share = No
        guest ok = No
        only user = No
        hosts allow =
        hosts deny =
        allocation roundup size = 1048576
        aio read size = 0
        aio write size = 0
        aio write behind =
        ea support = No
        nt acl support = Yes
        profile acls = No
        map acl inherit = No
        afs share = No
        smb encrypt = auto
        block size = 1024
        change notify = Yes
        directory name cache size = 100
        kernel change notify = Yes
        max connections = 0
        min print space = 0
        strict allocate = No
        strict sync = No
        sync always = No
        use sendfile = No
        write cache size = 0
        max reported print jobs = 0
        max print jobs = 1000
        printable = No
        printing = cups
        cups options =
        print command =
        lpq command = %p
        lprm command =
        lppause command =
        lpresume command =
        queuepause command =
        queueresume command =
        printer name =
        use client driver = No
        default devmode = Yes
        force printername = No
        printjob username = %U
        default case = lower
        case sensitive = Auto
        preserve case = Yes
        short preserve case = Yes
        mangling char = ~
        hide dot files = Yes
        hide special files = No
        hide unreadable = No
        hide unwriteable files = No
        delete veto files = No
        veto files =
        hide files =
        veto oplock files =
        map archive = Yes
        map hidden = No
        map system = No
        map readonly = yes
        mangled names = Yes
        store dos attributes = No
        dmapi support = No
        browseable = Yes
        access based share enum = No
        blocking locks = Yes
        csc policy = manual
        fake oplocks = No
        locking = Yes
        oplocks = Yes
        level2 oplocks = Yes
        oplock contention limit = 2
        posix locking = Yes
        strict locking = Auto
        share modes = Yes
        dfree cache time = 0
        dfree command =
        copy =
        preexec =
        preexec close = No
        postexec =
        root preexec =
        root preexec close = No
        root postexec =
        available = Yes
        volume =
        fstype = NTFS
        set directory = No
        wide links = No
        follow symlinks = Yes
        dont descend =
        magic script =
        magic output =
        delete readonly = No
        dos filemode = No
        dos filetimes = Yes
        dos filetime resolution = No
        fake directory create times = No
        vfs objects = recycle
        msdfs root = No
        msdfs proxy =

[lager]
        comment = Lager
        path = /media/lager_hdd
        valid users = user1
        read only = No
        browseable = No
--------------------------
--------------------------
# /etc/nsswitch.conf
#
# Example configuration of GNU Name Service Switch functionality.
# If you have the `glibc-doc-reference' and `info' packages installed, try:
# `info libc "Name Service Switch"' for information about this file.

passwd:         compat
group:          compat
shadow:         compat

hosts:          files dns
networks:       files

protocols:      db files
services:       db files
ethers:         db files
rpc:            db files

netgroup:       nis
--------------------------


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