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Tovey, Mark

2015-Oct-09 21:42 UTC

[Samba] Make a share owned by a service account available to members of an AD group

Here is my configuration:

smb.conf:

[global]
        server string = Samba Server Version %v

        log file = /var/log/samba/log.%m
        max log size = 500

        log level = 3

        workgroup = DEVTST-CORP
        realm = DEVTST-CORP.GO2UTI.COM
        security = ADS
        password server = sinmdp04.devtst-corp.go2uti.com
        passdb backend = tdbsam

        domain master = no
        local master = no
        preferred master = no

        disable netbios = yes
        dns proxy = no

        dedicated keytab file = /etc/krb5.keytab
        kerberos method = secrets and keytab

        idmap config *:backend = tdb
        idmap config *:range = 5000-29999
        idmap config DEVTST-CORP:backend = ad
        idmap config DEVTST-CORP:schema_mode = rfc2307
        idmap config DEVTST-CORP:range = 30000-99999

        winbind nss info = rfc2307
        winbind trusted domains only = no
        winbind use default domain = yes
        winbind enum users  = yes
        winbind enum groups = yes
        winbind refresh tickets = Yes
        winbind normalize names = Yes

        map untrusted to domain = yes
        map to guest = Bad Uid
        guest account = nobody

        load printers = no
        printcap name = /dev/null
        printing = bsd


[data]
        path = /opt/app/data
        read only = no
        writable = yes
        browseable = no
        guest ok = yes
        hide dot files = yes
        hide special files = yes
        force user = webserv
        force group = webserv
        create mask = 0644
        directory mask = 0755
        valid users = @DEVTST-CORP\smbgrp
        write list = @DEVTST-CORP\smbgrp


resolv.conf:

domain devtst.go2uti.com
search devtst.go2uti.com devtst-corp.go2uti.com

nameserver 10.240.4.100
nameserver 10.254.4.125
nameserver 10.8.246.38


/krb5.conf:

[logging]
  default = FILE:/var/log/samba/krb5libs.log
  kdc = FILE:/var/log/samba/krb5kdc.log
  admin_server = FILE:/var/log/samba/kadmind.log

[libdefaults]
  default_realm = DEVTST-CORP.GO2UTI.COM
  dns_lookup_realm = false
  dns_lookup_kdc = false
  ticket_lifetime = 24h
  forwardable = true

[realms]
  DEVTST-CORP.GO2UTI.COM = {
    kdc = sinmdp04.devtst-corp.go2uti.com:88
    admin_server = sinmdp04.devtst-corp.go2uti.com:749
    default_domain = DEVTST-CORP
  }

[domain_realm]
  .devtst-corp.go2uti.com = DEVTST-CORP.GO2UTI.COM
  devtst-corp.go2uti.com = DEVTST-CORP.GO2UTI.COM

[appdefaults]
  pam = {
    debug = false
    ticket_lifetime = 36000
    renew_lifetime = 36000

    forwardable = true
    krb4_convert = false
}


net ads testjoin:
Join is OK



________________________________________________________________
Mark Tovey - UNIX Engineer | Service Strategy & Design
UTi | 400 SW Sixth Ave, Suite 1100 | Portland | Oregon | 97204 | USA
MTovey at go2uti.com | O / C +1 503 953-1389



Until you can get 'getent passwd username' to return the users info, it
will never work and I can assure it will work if everything is setup correctly.
Can you post:
smb.conf
/etc/resolv.conf
/etc/krb5.conf
The result of 'net ads testjoin'

Rowland


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Rowland Penny

2015-Oct-09 21:54 UTC

head link

[Samba] Make a share owned by a service account available to members of an AD group

On 09/10/15 22:42, Tovey, Mark wrote:> Here is my configuration:
>
> smb.conf:
>
> [global]
>          server string = Samba Server Version %v
>
>          log file = /var/log/samba/log.%m
>          max log size = 500
>
>          log level = 3
>
>          workgroup = DEVTST-CORP
>          realm = DEVTST-CORP.GO2UTI.COM
>          security = ADS
Remove these lines

         password server = sinmdp04.devtst-corp.go2uti.com
         passdb backend = tdbsam

>
>          domain master = no
>          local master = no
>          preferred master = no
>
>          disable netbios = yes
>          dns proxy = no
>
>          dedicated keytab file = /etc/krb5.keytab
>          kerberos method = secrets and keytab
>
>          idmap config *:backend = tdb
>          idmap config *:range = 5000-29999
>          idmap config DEVTST-CORP:backend = ad
>          idmap config DEVTST-CORP:schema_mode = rfc2307
>          idmap config DEVTST-CORP:range = 30000-99999
>
>          winbind nss info = rfc2307
>          winbind trusted domains only = no
>          winbind use default domain = yes
>          winbind enum users  = yes
>          winbind enum groups = yes
>          winbind refresh tickets = Yes
>          winbind normalize names = Yes
>
>          map untrusted to domain = yes
>          map to guest = Bad Uid
>          guest account = nobody
>
>          load printers = no
>          printcap name = /dev/null
>          printing = bsd
>
>
> [data]
>          path = /opt/app/data
>          read only = no
>          writable = yes
>          browseable = no
>          guest ok = yes
>          hide dot files = yes
>          hide special files = yes
>          force user = webserv
>          force group = webserv
>          create mask = 0644
>          directory mask = 0755
>          valid users = @DEVTST-CORP\smbgrp
>          write list = @DEVTST-CORP\smbgrp
>
>
> resolv.conf:
>
> domain devtst.go2uti.com
> search devtst.go2uti.com devtst-corp.go2uti.com
>
> nameserver 10.240.4.100
> nameserver 10.254.4.125
> nameserver 10.8.246.38
>
Remove the domain line from resolv.conf and any of the nameserver lines 
that isn't the AD DC
> /krb5.conf:
>
> [logging]
>    default = FILE:/var/log/samba/krb5libs.log
>    kdc = FILE:/var/log/samba/krb5kdc.log
>    admin_server = FILE:/var/log/samba/kadmind.log
>
> [libdefaults]
>    default_realm = DEVTST-CORP.GO2UTI.COM
>    dns_lookup_realm = false
>    dns_lookup_kdc = false
>    ticket_lifetime = 24h
>    forwardable = true
>
> [realms]
>    DEVTST-CORP.GO2UTI.COM = {
>      kdc = sinmdp04.devtst-corp.go2uti.com:88
>      admin_server = sinmdp04.devtst-corp.go2uti.com:749
>      default_domain = DEVTST-CORP
>    }
>
> [domain_realm]
>    .devtst-corp.go2uti.com = DEVTST-CORP.GO2UTI.COM
>    devtst-corp.go2uti.com = DEVTST-CORP.GO2UTI.COM
>
> [appdefaults]
>    pam = {
>      debug = false
>      ticket_lifetime = 36000
>      renew_lifetime = 36000
>
>      forwardable = true
>      krb4_convert = false
> }
>
change krb5.conf to just this:

[libdefaults]
   default_realm = DEVTST-CORP.GO2UTI.COM
   dns_lookup_realm = false
   dns_lookup_kdc = true

> net ads testjoin:
> Join is OK
>
Rowland

Tovey, Mark

2015-Oct-11 04:16 UTC

head link

[Samba] Make a share owned by a service account available to members of an AD group

I made my configuration look identical to what is in the Samba Wiki, and still
the same results: everything works perfectly as long as the user account is in
both AD and the local passwd file.  If I remove the account from the local
passwd file, I cannot map the share.
    While looking around, I encountered this:
https://bugzilla.samba.org/show_bug.cgi?id=9862.  This bug refers to Samba 4.1
and above, but the description very closely matches what I am encountering.  I
think this is what I am up against now.
    So, I guess I just have to put the user accounts into both systems until the
patch can be rolled into the vendor released version I am using.
    -Mark

________________________________________________________________
Mark Tovey - UNIX Engineer | Service Strategy & Design
UTi | 400 SW Sixth Ave, Suite 1100 | Portland | Oregon | 97204 | USA
MTovey at go2uti.com | O / C +1 503 953-1389

-----Original Message-----
From: samba [mailto:samba-bounces at lists.samba.org] On Behalf Of Rowland Penny
Sent: Friday, October 9, 2015 2:55 PM
To: samba at lists.samba.org
Subject: Re: [Samba] Make a share owned by a service account available to
members of an AD group

On 09/10/15 22:42, Tovey, Mark wrote:> Here is my configuration:
>
> smb.conf:
>
> [global]
>          server string = Samba Server Version %v
>
>          log file = /var/log/samba/log.%m
>          max log size = 500
>
>          log level = 3
>
>          workgroup = DEVTST-CORP
>          realm = DEVTST-CORP.GO2UTI.COM
>          security = ADS
Remove these lines

         password server = sinmdp04.devtst-corp.go2uti.com
         passdb backend = tdbsam

>
>          domain master = no
>          local master = no
>          preferred master = no
>
>          disable netbios = yes
>          dns proxy = no
>
>          dedicated keytab file = /etc/krb5.keytab
>          kerberos method = secrets and keytab
>
>          idmap config *:backend = tdb
>          idmap config *:range = 5000-29999
>          idmap config DEVTST-CORP:backend = ad
>          idmap config DEVTST-CORP:schema_mode = rfc2307
>          idmap config DEVTST-CORP:range = 30000-99999
>
>          winbind nss info = rfc2307
>          winbind trusted domains only = no
>          winbind use default domain = yes
>          winbind enum users  = yes
>          winbind enum groups = yes
>          winbind refresh tickets = Yes
>          winbind normalize names = Yes
>
>          map untrusted to domain = yes
>          map to guest = Bad Uid
>          guest account = nobody
>
>          load printers = no
>          printcap name = /dev/null
>          printing = bsd
>
>
> [data]
>          path = /opt/app/data
>          read only = no
>          writable = yes
>          browseable = no
>          guest ok = yes
>          hide dot files = yes
>          hide special files = yes
>          force user = webserv
>          force group = webserv
>          create mask = 0644
>          directory mask = 0755
>          valid users = @DEVTST-CORP\smbgrp
>          write list = @DEVTST-CORP\smbgrp
>
>
> resolv.conf:
>
> domain devtst.go2uti.com
> search devtst.go2uti.com devtst-corp.go2uti.com
>
> nameserver 10.240.4.100
> nameserver 10.254.4.125
> nameserver 10.8.246.38
>
Remove the domain line from resolv.conf and any of the nameserver lines that
isn't the AD DC
> /krb5.conf:
>
> [logging]
>    default = FILE:/var/log/samba/krb5libs.log
>    kdc = FILE:/var/log/samba/krb5kdc.log
>    admin_server = FILE:/var/log/samba/kadmind.log
>
> [libdefaults]
>    default_realm = DEVTST-CORP.GO2UTI.COM
>    dns_lookup_realm = false
>    dns_lookup_kdc = false
>    ticket_lifetime = 24h
>    forwardable = true
>
> [realms]
>    DEVTST-CORP.GO2UTI.COM = {
>      kdc = sinmdp04.devtst-corp.go2uti.com:88
>      admin_server = sinmdp04.devtst-corp.go2uti.com:749
>      default_domain = DEVTST-CORP
>    }
>
> [domain_realm]
>    .devtst-corp.go2uti.com = DEVTST-CORP.GO2UTI.COM
>    devtst-corp.go2uti.com = DEVTST-CORP.GO2UTI.COM
>
> [appdefaults]
>    pam = {
>      debug = false
>      ticket_lifetime = 36000
>      renew_lifetime = 36000
>
>      forwardable = true
>      krb4_convert = false
> }
>
change krb5.conf to just this:

[libdefaults]
   default_realm = DEVTST-CORP.GO2UTI.COM
   dns_lookup_realm = false
   dns_lookup_kdc = true

> net ads testjoin:
> Join is OK
>
Rowland

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