[Samba] Samba v3 works with LDAP, but not Samba v4
Emil Henry
hbcsc153 at gmail.com
Tue Oct 16 19:44:36 UTC 2018
Hi Michal!
I am attaching the log for the smbclient connection. It might have
everything you asked for.
Thanks!
On Tue, Oct 16, 2018 at 12:24 PM Michal <Michal67M at seznam.cz> wrote:
> I can not see any ldap call, did you try to tcpdump for ldap packets?
>
> Michal
>
> út 16. 10. 2018 v 21:14 odesílatel Emil Henry via samba <
> samba at lists.samba.org> napsal:
>
>> Hello!
>>
>> We have Samba v3 (3.5.10) working against an LDAP server, and need to
>> upgrade to Samba v4 (4.7.1), RHEL 7 supports only v4. Tried multiple
>> configs of the smb.conf (including the old config) without success.
>> Cleaned
>> up smb.conf is below. Also, included is the output of a smbclient command
>> on the SMBServer with debug option 10. Hoping that someone can point me in
>> the right direction.
>>
>> Thanks
>>
>> [global]
>> security = user
>> ldap user suffix = ou=people
>> ldap group suffix = ou=groups
>> ldap ssl = off
>> ldap passwd sync = yes
>> ldap delete dn = no
>> workgroup = WORKGROUP
>> server string = "Samba Drives"
>> netbios name = SMBServer
>> log file = /var/log/samba/log.%m
>>
>> # For debugging enable the log level of 5
>> log level = 5
>> max log size = 50
>>
>> # LDAP Settings
>> ldap suffix = "o=EXAMPLE"
>> ldap admin dn = "cn=PUSer,ou=Proxies,ou=Auth,o=EXAMPLE"
>> passdb backend = ldapsam:ldap://ldapserver.example.com
>>
>> [homes]
>> valid users = %S
>> read only = No
>> writeable = yes
>> browseable = no
>> create mask = 0600
>> public = No
>> comment = %u's Z-Drive
>> nt acl support = no
>> inherit permissions = no
>> hide dot files = yes
>> directory mask = 0700
>> force create mode = 0700
>> valid users = MYDOMAIN\%S
>>
>>
>> --------------------------------------------------------------------------------------------------
>> [root at SMBServer samba]# smbclient //localhost/share -U johndoe -d 10
>> INFO: Current debug levels:
>> all: 10
>> tdb: 10
>> printdrivers: 10
>> lanman: 10
>> smb: 10
>> rpc_parse: 10
>> rpc_srv: 10
>> rpc_cli: 10
>> passdb: 10
>> sam: 10
>> auth: 10
>> winbind: 10
>> vfs: 10
>> idmap: 10
>> quota: 10
>> acls: 10
>> locking: 10
>> msdfs: 10
>> dmapi: 10
>> registry: 10
>> scavenger: 10
>> dns: 10
>> ldb: 10
>> tevent: 10
>> auth_audit: 10
>> auth_json_audit: 10
>> kerberos: 10
>> drs_repl: 10
>> lp_load_ex: refreshing parameters
>> Initialising global parameters
>> rlimit_max: increasing rlimit_max (1024) to minimum Windows limit (16384)
>> INFO: Current debug levels:
>> all: 10
>> tdb: 10
>> printdrivers: 10
>> lanman: 10
>> smb: 10
>> rpc_parse: 10
>> rpc_srv: 10
>> rpc_cli: 10
>> passdb: 10
>> sam: 10
>> auth: 10
>> winbind: 10
>> vfs: 10
>> idmap: 10
>> quota: 10
>> acls: 10
>> locking: 10
>> msdfs: 10
>> dmapi: 10
>> registry: 10
>> scavenger: 10
>> dns: 10
>> ldb: 10
>> tevent: 10
>> auth_audit: 10
>> auth_json_audit: 10
>> kerberos: 10
>> drs_repl: 10
>> Processing section "[global]"
>> doing parameter security = user
>> doing parameter ldap user suffix = ou=people
>> doing parameter ldap group suffix = ou=groups
>> doing parameter ldap ssl = off
>> doing parameter ldap passwd sync = yes
>> doing parameter ldap delete dn = no
>> doing parameter workgroup = WORKGROUP
>> doing parameter server string = "A Drives"
>> doing parameter netbios name = SMBServer
>> doing parameter log file = /var/log/samba/log.%m
>> doing parameter log level = 5
>> doing parameter max log size = 50
>> doing parameter ldap suffix = "o=EXAMPLE"
>> doing parameter ldap admin dn = "cn=cecs,ou=Proxies,ou=Auth,o=EXAMPLE"
>> doing parameter passdb backend = ldapsam:ldap://ldapserver.example.com
>> pm_process() returned Yes
>> lp_servicenumber: couldn't find homes
>> added interface enp7s0f1 ip=192.168.2.192 bcast=192.168.2.255
>> netmask=255.255.255.0
>> added interface virbr0 ip=192.168.122.1 bcast=192.168.122.255
>> netmask=255.255.255.0
>> Netbios name list:-
>> my_netbios_names[0]="SMBServer"
>> Client started (version 4.7.1).
>> Opening cache file at /var/lib/samba/gencache.tdb
>> Opening cache file at /var/lib/samba/lock/gencache_notrans.tdb
>> Adding cache entry with key=[AD_SITENAME/DOMAIN/] and timeout=[Wed Dec 31
>> 04:00:00 PM 1969 PST] (-1539716622 seconds in the past)
>> sitename_fetch: No stored sitename for realm ''
>> internal_resolve_name: looking up localhost#20 (sitename (null))
>> name localhost#20 found.
>> remove_duplicate_addrs2: looking for duplicate address/port pairs
>> Connecting to 127.0.0.1 at port 445
>> Socket options:
>> SO_KEEPALIVE = 0
>> SO_REUSEADDR = 0
>> SO_BROADCAST = 0
>> TCP_NODELAY = 1
>> TCP_KEEPCNT = 9
>> TCP_KEEPIDLE = 7200
>> TCP_KEEPINTVL = 75
>> IPTOS_LOWDELAY = 0
>> IPTOS_THROUGHPUT = 0
>> SO_REUSEPORT = 0
>> SO_SNDBUF = 2626560
>> SO_RCVBUF = 1061296
>> SO_SNDLOWAT = 1
>> SO_RCVLOWAT = 1
>> SO_SNDTIMEO = 0
>> SO_RCVTIMEO = 0
>> TCP_QUICKACK = 1
>> TCP_DEFER_ACCEPT = 0
>> session request ok
>> negotiated dialect[SMB3_11] against server[localhost]
>> got OID=1.3.6.1.4.1.311.2.2.10
>> Enter EXAMPLE.COM\johndoe's password:
>> GENSEC backend 'gssapi_spnego' registered
>> GENSEC backend 'gssapi_krb5' registered
>> GENSEC backend 'gssapi_krb5_sasl' registered
>> GENSEC backend 'spnego' registered
>> GENSEC backend 'schannel' registered
>> GENSEC backend 'naclrpc_as_system' registered
>> GENSEC backend 'sasl-EXTERNAL' registered
>> GENSEC backend 'ntlmssp' registered
>> GENSEC backend 'ntlmssp_resume_ccache' registered
>> GENSEC backend 'http_basic' registered
>> GENSEC backend 'http_ntlm' registered
>> Starting GENSEC mechanism spnego
>> Starting GENSEC submechanism ntlmssp
>> negotiate: struct NEGOTIATE_MESSAGE
>> Signature : 'NTLMSSP'
>> MessageType : NtLmNegotiate (1)
>> NegotiateFlags : 0x62088215 (1644724757)
>> 1: NTLMSSP_NEGOTIATE_UNICODE
>> 0: NTLMSSP_NEGOTIATE_OEM
>> 1: NTLMSSP_REQUEST_TARGET
>> 1: NTLMSSP_NEGOTIATE_SIGN
>> 0: NTLMSSP_NEGOTIATE_SEAL
>> 0: NTLMSSP_NEGOTIATE_DATAGRAM
>> 0: NTLMSSP_NEGOTIATE_LM_KEY
>> 0: NTLMSSP_NEGOTIATE_NETWARE
>> 1: NTLMSSP_NEGOTIATE_NTLM
>> 0: NTLMSSP_NEGOTIATE_NT_ONLY
>> 0: NTLMSSP_ANONYMOUS
>> 0: NTLMSSP_NEGOTIATE_OEM_DOMAIN_SUPPLIED
>> 0: NTLMSSP_NEGOTIATE_OEM_WORKSTATION_SUPPLIED
>> 0: NTLMSSP_NEGOTIATE_THIS_IS_LOCAL_CALL
>> 1: NTLMSSP_NEGOTIATE_ALWAYS_SIGN
>> 0: NTLMSSP_TARGET_TYPE_DOMAIN
>> 0: NTLMSSP_TARGET_TYPE_SERVER
>> 0: NTLMSSP_TARGET_TYPE_SHARE
>> 1: NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY
>> 0: NTLMSSP_NEGOTIATE_IDENTIFY
>> 0: NTLMSSP_REQUEST_NON_NT_SESSION_KEY
>> 0: NTLMSSP_NEGOTIATE_TARGET_INFO
>> 1: NTLMSSP_NEGOTIATE_VERSION
>> 1: NTLMSSP_NEGOTIATE_128
>> 1: NTLMSSP_NEGOTIATE_KEY_EXCH
>> 0: NTLMSSP_NEGOTIATE_56
>> DomainNameLen : 0x0000 (0)
>> DomainNameMaxLen : 0x0000 (0)
>> DomainName : *
>> DomainName : ''
>> WorkstationLen : 0x0000 (0)
>> WorkstationMaxLen : 0x0000 (0)
>> Workstation : *
>> Workstation : ''
>> Version: struct ntlmssp_VERSION
>> ProductMajorVersion : NTLMSSP_WINDOWS_MAJOR_VERSION_6 (6)
>> ProductMinorVersion : NTLMSSP_WINDOWS_MINOR_VERSION_1 (1)
>> ProductBuild : 0x0000 (0)
>> Reserved: ARRAY(3)
>> [0] : 0x00 (0)
>> [1] : 0x00 (0)
>> [2] : 0x00 (0)
>> NTLMRevisionCurrent : NTLMSSP_REVISION_W2K3 (15)
>> Got challenge flags:
>> Got NTLMSSP neg_flags=0x628a8215
>> NTLMSSP_NEGOTIATE_UNICODE
>> NTLMSSP_REQUEST_TARGET
>> NTLMSSP_NEGOTIATE_SIGN
>> NTLMSSP_NEGOTIATE_NTLM
>> NTLMSSP_NEGOTIATE_ALWAYS_SIGN
>> NTLMSSP_TARGET_TYPE_SERVER
>> NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY
>> NTLMSSP_NEGOTIATE_TARGET_INFO
>> NTLMSSP_NEGOTIATE_VERSION
>> NTLMSSP_NEGOTIATE_128
>> NTLMSSP_NEGOTIATE_KEY_EXCH
>> short string '', sent with NULL termination despite NOTERM flag in IDL
>> NTLMSSP: Set final flags:
>> Got NTLMSSP neg_flags=0x62088215
>> NTLMSSP_NEGOTIATE_UNICODE
>> NTLMSSP_REQUEST_TARGET
>> NTLMSSP_NEGOTIATE_SIGN
>> NTLMSSP_NEGOTIATE_NTLM
>> NTLMSSP_NEGOTIATE_ALWAYS_SIGN
>> NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY
>> NTLMSSP_NEGOTIATE_VERSION
>> NTLMSSP_NEGOTIATE_128
>> NTLMSSP_NEGOTIATE_KEY_EXCH
>> NTLMSSP Sign/Seal - Initialising with flags:
>> Got NTLMSSP neg_flags=0x62088215
>> NTLMSSP_NEGOTIATE_UNICODE
>> NTLMSSP_REQUEST_TARGET
>> NTLMSSP_NEGOTIATE_SIGN
>> NTLMSSP_NEGOTIATE_NTLM
>> NTLMSSP_NEGOTIATE_ALWAYS_SIGN
>> NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY
>> NTLMSSP_NEGOTIATE_VERSION
>> NTLMSSP_NEGOTIATE_128
>> NTLMSSP_NEGOTIATE_KEY_EXCH
>> SPNEGO login failed: The attempted logon is invalid. This is either due to
>> a bad username or authentication information.
>> session setup failed: NT_STATUS_LOGON_FAILURE
>> --
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>
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