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René KIRSCHNER

2008-Nov-25 15:56 UTC

[Samba] Problems configuring samba with pam_mysql auth - NT_STATUS_NO_SUCH_USER / NT_STATUS_LOGON_FAILURE

Hello everyone,

First of all...sorry for this monster post, but I have tried to insert every
potentially useful information. :)

The last days I vainly tried to implement a samba server with MySQL
authentication on one of our servers (Debian 2.6.27.5). The server shall provide
fileshare services to some Mac clients (OS 10.4.11). Mail is already running
with pam_mysql auth against the mail user database, so we wanted to use it
synchronously for samba auth. I just copied the settings from /etc/pam.d/smtp to
/etc/pam.d/samba (I additionally enabled sqllog and verbose mode for debugging).
When trying to connected with smbclient directly on the server, I receive the
following error message:

NT_STATUS_LOGON_FAILURE

--------------------------------------------------------------------------
/etc/pam.d/samba


auth sufficient pam_mysql.so user=samba passwd=samba host=172.24.100.1
db=cip_cn_mail table=test usercolumn=name passwdcolumn=pw crypt=0 verbose=1
sqllog=1 logtable=log logmsgcolumn=msg logusercolumn=user loghostcolumn=host
logpidcolumn=pid logtimecolumn=time

account required pam_mysql.so user=samba passwd=samba host=172.24.100.1
db=cip_cn_mail table=test usercolumn=name passwdcolumn=pw crypt=0 verbose=1
sqllog=1

#password required pam_mysql.so user=samba passwd=samba host=172.24.100.1
db=cip_cn_mail table=test usercolumn=name passwdcolumn=pw crypt=0 verbose=1
sqllog=1

#Session required pam_mysql.so user=samba passwd=samba host=172.24.100.1
db=cip_cn_mail table=test usercolumn=name passwdcolumn=pw crypt=0 verbose=1
sqllog=1

---------------------------------------------------------------

/etc/samba/smb.conf


#
#======================= Global Settings ======================
[global]

   server string = %h server
   wins support = no
   dns proxy = no
   workgroup = hu
   
#### Networking ####

   interfaces = eth1
   bind interfaces only = yes
   unix extensions = no

#### Debugging/Accounting ####

   log file = /var/log/samba/log.%m
   max log size = 1000
   syslog = 0
   log level = 3
   panic action = /usr/share/samba/panic-action %d


####### Authentication #######

   security = user
   obey pam restrictions = Yes
   encrypt passwords = No
   update encrypted = No
   client lanman auth = yes
   client plaintext auth = yes

#======================= Share Definitions ======================
[Printers]
   browseable = no

[print$]
   comment = Printer Drivers
   path = /var/lib/samba/printers
   browseable = no
   read only = yes
   guest ok = no
;   write list = root, @ntadmin

[shanghai]
   comment = Shanghai Share
   path = /d1/shares/shanghai
   browseable = yes
#   public = yes
   writable = yes
   printable = no
   create mask = 0777
   create mode = 0777
   directory mask = 0777
#   guest ok = yes
#   guest only = yes

[it]
   comment = IT Share
   path = /d1/shares/it
   browseable = yes
   public = no
   writable = yes
   printable = no
   create mask = 0777
   create mode = 0777
   directory mask = 0777
   valid users = admin

[billy]
   comment = usershare
   path = /d1/shares/user/billy
   browseable = yes
   writable = yes
   guest ok = no
   valid users = billy
   admin users = admin

-------------------------------------------------------------------------------

The authentication against the user-db seems to work, the information is added
correctly into the log table:

/var/log/auth.log


Nov 25 16:03:40 hu smbd[12885]: pam_mysql - option verbose is set to
"1"
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - option sqllog is set to
"1"
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - option logtable is set to
"log"
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - option logmsgcolumn is set to
"msg"
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - option logusercolumn is set to
"user"
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - option loghostcolumn is set to
"host"
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - option logpidcolumn is set to
"pid"
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - option logtimecolumn is set to
"time"
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_close_db() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_sm_authenticate() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_converse() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_open_db() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_open_db() returning 0.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_check_passwd() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_format_string() called
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - SELECT pw FROM test WHERE name =
'admin'
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_sql_log() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_format_string() called
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - INSERT INTO log (msg, user, host,
pid, time) VALUES ('AUTHENTICATION SUCCESS', 'admin',
'(unknown)', '12885', NOW())
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_sql_log() returning 0.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_check_passwd() returning
0.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_sm_authenticate() returning 0.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - option user is set to
"samba"
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - option passwd is set to
"samba"
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - option host is set to
"172.24.100.1"
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - option db is set to
"cip_cn_mail"
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - option table is set to
"test"
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - option usercolumn is set to
"name"
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - option passwdcolumn is set to
"pw"
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - option crypt is set to "0"
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - option verbose is set to
"1"
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - option sqllog is set to
"1"
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_close_db() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_sm_acct_mgmt() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_open_db() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_open_db() returning 0.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_query_user_stat() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_format_string() called
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - SELECT 0, pw FROM test WHERE name =
'admin'
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_sql_log() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_format_string() called
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_quick_escape() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - INSERT INTO log (msg, user, host,
pid, time) VALUES ('QUERYING SUCCESS', 'admin',
'(unknown)', '12885', NOW())
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_sql_log() returning 0.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_query_user_stat()
returning 0.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_sm_acct_mgmt() returning 0.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_release_ctx() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_destroy_ctx() called.
Nov 25 16:03:40 hu smbd[12885]: pam_mysql - pam_mysql_close_db() called.



------------------------------------------------------

This is the samba log file:

[2008/11/25 16:03:37,  3] smbd/oplock.c:init_oplocks(875)
  init_oplocks: initializing messages.
[2008/11/25 16:03:37,  3] smbd/oplock_linux.c:linux_init_kernel_oplocks(241)
  Linux kernel oplocks enabled
[2008/11/25 16:03:37,  3] smbd/process.c:process_smb(1549)
  Transaction 0 of length 194 (0 toread)
[2008/11/25 16:03:37,  3] smbd/process.c:switch_message(1361)
  switch message SMBnegprot (pid 12885) conn 0x0
[2008/11/25 16:03:37,  3] smbd/sec_ctx.c:set_sec_ctx(324)
  setting sec ctx (0, 0) - sec_ctx_stack_ndx = 0
[2008/11/25 16:03:37,  3] smbd/negprot.c:reply_negprot(568)
  Requested protocol [PC NETWORK PROGRAM 1.0]
[2008/11/25 16:03:37,  3] smbd/negprot.c:reply_negprot(568)
  Requested protocol [MICROSOFT NETWORKS 1.03]
[2008/11/25 16:03:37,  3] smbd/negprot.c:reply_negprot(568)
  Requested protocol [MICROSOFT NETWORKS 3.0]
[2008/11/25 16:03:37,  3] smbd/negprot.c:reply_negprot(568)
  Requested protocol [LANMAN1.0]
[2008/11/25 16:03:37,  3] smbd/negprot.c:reply_negprot(568)
  Requested protocol [LM1.2X002]
[2008/11/25 16:03:37,  3] smbd/negprot.c:reply_negprot(568)
  Requested protocol [DOS LANMAN2.1]
[2008/11/25 16:03:37,  3] smbd/negprot.c:reply_negprot(568)
  Requested protocol [LANMAN2.1]
[2008/11/25 16:03:37,  3] smbd/negprot.c:reply_negprot(568)
  Requested protocol [Samba]
[2008/11/25 16:03:37,  3] smbd/negprot.c:reply_negprot(568)
  Requested protocol [NT LANMAN 1.0]
[2008/11/25 16:03:37,  3] smbd/negprot.c:reply_negprot(568)
  Requested protocol [NT LM 0.12]
[2008/11/25 16:03:37,  3] smbd/negprot.c:reply_nt1(373)
  not using SPNEGO
[2008/11/25 16:03:37,  3] smbd/negprot.c:reply_negprot(673)
  Selected protocol NT LANMAN 1.0
[2008/11/25 16:03:40,  3] smbd/process.c:process_smb(1549)
  Transaction 1 of length 128 (0 toread)
[2008/11/25 16:03:40,  3] smbd/process.c:switch_message(1361)
  switch message SMBsesssetupX (pid 12885) conn 0x0
[2008/11/25 16:03:40,  3] smbd/sec_ctx.c:set_sec_ctx(324)
  setting sec ctx (0, 0) - sec_ctx_stack_ndx = 0
[2008/11/25 16:03:40,  3] smbd/sesssetup.c:reply_sesssetup_and_X(1409)
  wct=13 flg2=0xc801
[2008/11/25 16:03:40,  3] smbd/sesssetup.c:reply_sesssetup_and_X(1608)
  Domain=[HU]  NativeOS=[Unix] NativeLanMan=[Samba 3.2.4] PrimaryDomain=[]
[2008/11/25 16:03:40,  3] smbd/sesssetup.c:reply_sesssetup_and_X(1624)
  sesssetupX:name=[HU]\[admin]@[172.24.100.1]
[2008/11/25 16:03:40,  3] auth/auth.c:check_ntlm_password(220)
  check_ntlm_password:  Checking password for unmapped user
[HU]\[admin]@[172.24.100.1] with the new password interface
[2008/11/25 16:03:40,  3] auth/auth.c:check_ntlm_password(223)
  check_ntlm_password:  mapped user is: [HU]\[admin]@[172.24.100.1]
[2008/11/25 16:03:40,  3] smbd/sec_ctx.c:push_sec_ctx(224)
  push_sec_ctx(0, 0) : sec_ctx_stack_ndx = 1
[2008/11/25 16:03:40,  3] smbd/uid.c:push_conn_ctx(357)
  push_conn_ctx(0) : conn_ctx_stack_ndx = 0
[2008/11/25 16:03:40,  3] smbd/sec_ctx.c:set_sec_ctx(324)
  setting sec ctx (0, 0) - sec_ctx_stack_ndx = 1
[2008/11/25 16:03:40,  3] smbd/sec_ctx.c:pop_sec_ctx(432)
  pop_sec_ctx (0, 0) - sec_ctx_stack_ndx = 0
[2008/11/25 16:03:40,  2] auth/auth.c:check_ntlm_password(318)
  check_ntlm_password:  Authentication for user [admin] -> [admin] FAILED
with error NT_STATUS_NO_SUCH_USER
[2008/11/25 16:03:40,  3] smbd/error.c:error_packet_set(61)
  error packet at smbd/sesssetup.c(1725) cmd=115 (SMBsesssetupX)
NT_STATUS_LOGON_FAILURE
[2008/11/25 16:03:40,  3] smbd/process.c:smbd_process(2035)
  receive_message_or_smb failed: NT_STATUS_END_OF_FILE, exiting
[2008/11/25 16:03:40,  3] smbd/sec_ctx.c:set_sec_ctx(324)
  setting sec ctx (0, 0) - sec_ctx_stack_ndx = 0
[2008/11/25 16:03:40,  3] smbd/connection.c:yield_connection(31)
  Yielding connection to 
[2008/11/25 16:03:40,  3] smbd/server.c:exit_server_common(949)
  Server exit (normal exit)


I tried almost every possible configuration, useless. Maybe I have missed
something.


Thanks in advance,

Rene

Collen Blijenberg

2008-Nov-27 09:42 UTC

head link

[Samba] Problems configuring samba with pam_mysql auth - NT_STATUS_NO_SUCH_USER / NT_STATUS_LOGON_FAILURE

Hi,

did you setup nss ???

since pam is for auth only, you still need the usernames.. (and there 
for nsswitch)
or add them in /etc/passwd. (but then you can skip pam aawel ..)

Cheers, Collen

btw there are 2 mysql-nsswitch prodjects.. so you can use the auth data 
base for it as well..

Ren? KIRSCHNER wrote:> Hello everyone,
>
> First of all...sorry for this monster post, but I have tried to insert
every potentially useful information. :)
>
> The last days I vainly tried to implement a samba server with MySQL
authentication on one of our servers (Debian 2.6.27.5). The server shall provide
fileshare services to some Mac clients (OS 10.4.11). Mail is already running
with pam_mysql auth against the mail user database, so we wanted to use it
synchronously for samba auth. I just copied the settings from /etc/pam.d/smtp to
/etc/pam.d/samba (I additionally enabled sqllog and verbose mode for debugging).
When trying to connected with smbclient directly on the server, I receive the
following error message:
>
> NT_STATUS_LOGON_FAILURE
>
> --------------------------------------------------------------------------
>
> [2008/11/25 16:03:40,  3] smbd/sec_ctx.c:set_sec_ctx(324)
>   setting sec ctx (0, 0) - sec_ctx_stack_ndx = 1
> [2008/11/25 16:03:40,  3] smbd/sec_ctx.c:pop_sec_ctx(432)
>   pop_sec_ctx (0, 0) - sec_ctx_stack_ndx = 0
> [2008/11/25 16:03:40,  2] auth/auth.c:check_ntlm_password(318)
>   check_ntlm_password:  Authentication for user [admin] -> [admin]
FAILED with error NT_STATUS_NO_SUCH_USER
> [2008/11/25 16:03:40,  3] smbd/error.c:error_packet_set(61)
>   error packet at smbd/sesssetup.c(1725) cmd=115 (SMBsesssetupX)
NT_STATUS_LOGON_FAILURE
> [2008/11/25 16:03:40,  3] smbd/process.c:smbd_process(2035)
>   receive_message_or_smb failed: NT_STATUS_END_OF_FILE, exiting
> [2008/11/25 16:03:40,  3] smbd/sec_ctx.c:set_sec_ctx(324)
>   setting sec ctx (0, 0) - sec_ctx_stack_ndx = 0
> [2008/11/25 16:03:40,  3] smbd/connection.c:yield_connection(31)
>   Yielding connection to 
> [2008/11/25 16:03:40,  3] smbd/server.c:exit_server_common(949)
>   Server exit (normal exit)
>
>
> I tried almost every possible configuration, useless. Maybe I have missed
something.
>
>
> Thanks in advance,
>
> Rene
>
>

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