[Samba] Re: smbclient with Kerberos works, smbclient with NTLM does not?

Peter Rosenthal voiperster at gmail.com
Fri Mar 20 18:44:01 GMT 2009


If someone could at least give me an idea of how to go about debugging this
problem (relevant log files/debug levels/errors on windows itself) I would
be very grateful.


2009/3/16 Peter Rosenthal <voiperster at gmail.com>

> Hello,
>
> I am investigating some strange authentication problems with our network. I
> am attempting to access a share on a DC with smbclient. If I authenticate
> with kerberos (kinit, then smbclient -k) then everything works fine. If,
> instead I use -U administrator -W DOMAIN, or just -U administrator, I get
>
> session setup failed: NT_STATUS_LOGON_FAILURE
>
> This is samba 3.3.2.
>
> Here is the d5 output from smbclient:
>
> INFO: Current debug levels:
>   all: True/5
>   tdb: False/0
>   printdrivers: False/0
>   lanman: False/0
>   smb: False/0
>   rpc_parse: False/0
>   rpc_srv: False/0
>   rpc_cli: False/0
>   passdb: False/0
>   sam: False/0
>   auth: False/0
>   winbind: False/0
>   vfs: False/0
>   idmap: False/0
>   quota: False/0
>   acls: False/0
>   locking: False/0
>   msdfs: False/0
>   dmapi: False/0
>   registry: False/0
> lp_load_ex: refreshing parameters
> Initialising global parameters
> params.c:pm_process() - Processing configuration file "/etc/samba/smb.conf"
> Processing section "[global]"
> doing parameter workgroup = TESTDOMAIN
> doing parameter server string = Samba Server Version %v
> doing parameter log file = /var/log/samba/log.%m
> doing parameter max log size = 50
> doing parameter security = ads
> doing parameter realm = TESTDOMAIN.COM
> doing parameter encrypt passwords = yes
> doing parameter winbind enum users = yes
> doing parameter winbind enum groups = yes
> doing parameter winbind use default domain = yes
> doing parameter winbind separator = /
> doing parameter winbind nested groups = yes
> doing parameter winbind refresh tickets = true
> doing parameter winbind nss info = rfc2307
> doing parameter use kerberos keytab = yes
> doing parameter idmap config TESTDOMAIN : backend = ad
> doing parameter idmap config TESTDOMAIN : range = 10000-999999
> doing parameter idmap config TESTDOMAIN : schema_mode = rfc2307
> doing parameter winbind offline logon = yes
> doing parameter template homedir = /home/%U
> pm_process() returned Yes
> Attempting to register new charset UCS-2LE
> Registered charset UCS-2LE
> Attempting to register new charset UTF-16LE
> Registered charset UTF-16LE
> Attempting to register new charset UCS-2BE
> Registered charset UCS-2BE
> Attempting to register new charset UTF-16BE
> Registered charset UTF-16BE
> Attempting to register new charset UTF8
> Registered charset UTF8
> Attempting to register new charset UTF-8
> Registered charset UTF-8
> Attempting to register new charset ASCII
> Registered charset ASCII
> Attempting to register new charset 646
> Registered charset 646
> Attempting to register new charset ISO-8859-1
> Registered charset ISO-8859-1
> Attempting to register new charset UCS2-HEX
> Registered charset UCS2-HEX
> Substituting charset 'UTF-8' for LOCALE
> Substituting charset 'UTF-8' for LOCALE
> Substituting charset 'UTF-8' for LOCALE
> Substituting charset 'UTF-8' for LOCALE
> Substituting charset 'UTF-8' for LOCALE
> Substituting charset 'UTF-8' for LOCALE
> Substituting charset 'UTF-8' for LOCALE
> Substituting charset 'UTF-8' for LOCALE
> Substituting charset 'UTF-8' for LOCALE
> Substituting charset 'UTF-8' for LOCALE
> Substituting charset 'UTF-8' for LOCALE
> Substituting charset 'UTF-8' for LOCALE
> added interface eth0 ip=X bcast=X:ffff:ffff:ffff:ffff
> netmask=ffff:ffff:ffff:ffff::
> added interface eth0 ip=X bcast=fe80::ffff:ffff:ffff:ffff%eth0
> netmask=ffff:ffff:ffff:ffff::
> added interface eth0 ip=192.168.0.7 bcast=192.168.0.255
> netmask=255.255.255.0
> Substituting charset 'UTF-8' for LOCALE
> Substituting charset 'UTF-8' for LOCALE
> Substituting charset 'UTF-8' for LOCALE
> Substituting charset 'UTF-8' for LOCALE
> Substituting charset 'UTF-8' for LOCALE
> Substituting charset 'UTF-8' for LOCALE
> Substituting charset 'UTF-8' for LOCALE
> Substituting charset 'UTF-8' for LOCALE
> Substituting charset 'UTF-8' for LOCALE
> Substituting charset 'UTF-8' for LOCALE
> Substituting charset 'UTF-8' for LOCALE
> Substituting charset 'UTF-8' for LOCALE
> Netbios name list:-
> my_netbios_names[0]="EL5"
> Client started (version 3.3.2).
> Opening cache file at /var/lib/samba/gencache.tdb
> tdb(unnamed): tdb_open_ex: could not open file /var/lib/samba/gencache.tdb:
> Permission denied
> gencache_init: Opening cache file /var/lib/samba/gencache.tdb read-only.
> sitename_fetch: Returning sitename for TESTDOMAIN.COM: "SITE1"
> no entry for dc1#20 found.
> resolve_lmhosts: Attempting lmhosts lookup for name dc1<0x20>
> getlmhostsent: lmhost entry: 127.0.0.1 localhost
> resolve_wins: Attempting wins lookup for name dc1<0x20>
> resolve_wins: WINS server resolution selected and no WINS servers listed.
> resolve_hosts: Attempting host lookup for name dc1<0x20>
> namecache_store: storing 1 address for dc1#20: 192.168.0.4
> Connecting to 192.168.0.4 at port 445
> socket option SO_KEEPALIVE = 0
> socket option SO_REUSEADDR = 0
> socket option SO_BROADCAST = 0
> socket option TCP_NODELAY = 1
> socket option TCP_KEEPCNT = 9
> socket option TCP_KEEPIDLE = 7200
> socket option TCP_KEEPINTVL = 75
> socket option IPTOS_LOWDELAY = 0
> socket option IPTOS_THROUGHPUT = 0
> socket option SO_SNDBUF = 16384
> socket option SO_RCVBUF = 87380
> socket option SO_SNDLOWAT = 1
> socket option SO_RCVLOWAT = 1
> socket option SO_SNDTIMEO = 0
> socket option SO_RCVTIMEO = 0
>  session request ok
> size=175
> smb_com=0x72
> smb_rcls=0
> smb_reh=0
> smb_err=0
> smb_flg=136
> smb_flg2=51201
> smb_tid=0
> smb_pid=32067
> smb_uid=0
> smb_mid=1
> smt_wct=17
> smb_vwv[ 0]=    9 (0x9)
> smb_vwv[ 1]=12807 (0x3207)
> smb_vwv[ 2]=  256 (0x100)
> smb_vwv[ 3]= 1024 (0x400)
> smb_vwv[ 4]=   17 (0x11)
> smb_vwv[ 5]=    0 (0x0)
> smb_vwv[ 6]=  256 (0x100)
> smb_vwv[ 7]=    0 (0x0)
> smb_vwv[ 8]=    0 (0x0)
> smb_vwv[ 9]=64768 (0xFD00)
> smb_vwv[10]=  499 (0x1F3)
> smb_vwv[11]=12416 (0x3080)
> smb_vwv[12]=13890 (0x3642)
> smb_vwv[13]=27340 (0x6ACC)
> smb_vwv[14]=51622 (0xC9A6)
> smb_vwv[15]=41985 (0xA401)
> smb_vwv[16]=    1 (0x1)
> smb_bcc=106
> size=175
> smb_com=0x72
> smb_rcls=0
> smb_reh=0
> smb_err=0
> smb_flg=136
> smb_flg2=51201
> smb_tid=0
> smb_pid=32067
> smb_uid=0
> smb_mid=1
> smt_wct=17
> smb_vwv[ 0]=    9 (0x9)
> smb_vwv[ 1]=12807 (0x3207)
> smb_vwv[ 2]=  256 (0x100)
> smb_vwv[ 3]= 1024 (0x400)
> smb_vwv[ 4]=   17 (0x11)
> smb_vwv[ 5]=    0 (0x0)
> smb_vwv[ 6]=  256 (0x100)
> smb_vwv[ 7]=    0 (0x0)
> smb_vwv[ 8]=    0 (0x0)
> smb_vwv[ 9]=64768 (0xFD00)
> smb_vwv[10]=  499 (0x1F3)
> smb_vwv[11]=12416 (0x3080)
> smb_vwv[12]=13890 (0x3642)
> smb_vwv[13]=27340 (0x6ACC)
> smb_vwv[14]=51622 (0xC9A6)
> smb_vwv[15]=41985 (0xA401)
> smb_vwv[16]=    1 (0x1)
> smb_bcc=106
> Doing spnego session setup (blob length=106)
> got OID=1 2 840 48018 1 2 2
> got OID=1 2 840 113554 1 2 2
> got OID=1 2 840 113554 1 2 2 3
> got OID=1 3 6 1 4 1 311 2 2 10
> got principal=dc1$@TESTDOMAIN.COM
> size=410
> smb_com=0x73
> smb_rcls=22
> smb_reh=0
> smb_err=49152
> smb_flg=136
> smb_flg2=51205
> smb_tid=0
> smb_pid=32067
> smb_uid=55296
> smb_mid=2
> smt_wct=4
> smb_vwv[ 0]=  255 (0xFF)
> smb_vwv[ 1]=  410 (0x19A)
> smb_vwv[ 2]=    0 (0x0)
> smb_vwv[ 3]=  227 (0xE3)
> smb_bcc=367
> size=410
> smb_com=0x73
> smb_rcls=22
> smb_reh=0
> smb_err=49152
> smb_flg=136
> smb_flg2=51205
> smb_tid=0
> smb_pid=32067
> smb_uid=55296
> smb_mid=2
> smt_wct=4
> smb_vwv[ 0]=  255 (0xFF)
> smb_vwv[ 1]=  410 (0x19A)
> smb_vwv[ 2]=    0 (0x0)
> smb_vwv[ 3]=  227 (0xE3)
> smb_bcc=367
> Got challenge flags:
> Got NTLMSSP neg_flags=0x62898215
>   NTLMSSP_NEGOTIATE_UNICODE
>   NTLMSSP_REQUEST_TARGET
>   NTLMSSP_NEGOTIATE_SIGN
>   NTLMSSP_NEGOTIATE_NTLM
>   NTLMSSP_NEGOTIATE_ALWAYS_SIGN
>   NTLMSSP_NEGOTIATE_NTLM2
>   NTLMSSP_CHAL_TARGET_INFO
>   NTLMSSP_NEGOTIATE_VERSION
>   NTLMSSP_NEGOTIATE_128
>   NTLMSSP_NEGOTIATE_KEY_EXCH
> NTLMSSP: Set final flags:
> Got NTLMSSP neg_flags=0x60088215
>   NTLMSSP_NEGOTIATE_UNICODE
>   NTLMSSP_REQUEST_TARGET
>   NTLMSSP_NEGOTIATE_SIGN
>   NTLMSSP_NEGOTIATE_NTLM
>   NTLMSSP_NEGOTIATE_ALWAYS_SIGN
>   NTLMSSP_NEGOTIATE_NTLM2
>   NTLMSSP_NEGOTIATE_128
>   NTLMSSP_NEGOTIATE_KEY_EXCH
> NTLMSSP challenge set by NTLM2
> challenge is:
> [000] DB DB CB 5D EC FE A9 86                           ...]....
> NTLMSSP Sign/Seal - Initialising with flags:
> Got NTLMSSP neg_flags=0x60088215
>   NTLMSSP_NEGOTIATE_UNICODE
>   NTLMSSP_REQUEST_TARGET
>   NTLMSSP_NEGOTIATE_SIGN
>   NTLMSSP_NEGOTIATE_NTLM
>   NTLMSSP_NEGOTIATE_ALWAYS_SIGN
>   NTLMSSP_NEGOTIATE_NTLM2
>   NTLMSSP_NEGOTIATE_128
>   NTLMSSP_NEGOTIATE_KEY_EXCH
> size=35
> smb_com=0x73
> smb_rcls=109
> smb_reh=0
> smb_err=49152
> smb_flg=136
> smb_flg2=51205
> smb_tid=0
> smb_pid=32067
> smb_uid=55296
> smb_mid=3
> smt_wct=0
> smb_bcc=0
> size=35
> smb_com=0x73
> smb_rcls=109
> smb_reh=0
> smb_err=49152
> smb_flg=136
> smb_flg2=51205
> smb_tid=0
> smb_pid=32067
> smb_uid=55296
> smb_mid=3
> smt_wct=0
> smb_bcc=0
> SPNEGO login failed: Logon failure
>
>


More information about the samba mailing list