[WLUG] partially working Samba service
Jim Irrer
irrer at umich.edu
Mon Nov 24 15:02:24 EST 2014
Thanks for the verbose log setting idea Dan.
After sifting through the logs, the suspicious parts would appear to be
(highlighted):
[2014/11/24 14:41:01.234436, 3] smbd/process.c:1414(switch_message)
switch message SMBnttrans (pid 21356) conn 0x7f0100decf10
[2014/11/24 14:41:01.234463, 4] smbd/uid.c:351(change_to_user)
Skipping user change - already user
[2014/11/24 14:41:01.234493, 10] smbd/nttrans.c:3162(reply_nttrans)
num_setup=0, param_total=72, this_param=72, max_param=101, data_total=24,
this_data=24, max_data=0, param_offset=76, data_offset=148
[2014/11/24 14:41:01.234524, 5]
smbd/nttrans.c:1050(call_nt_transact_create)
call_nt_transact_create
[2014/11/24 14:41:01.234551, 10]
smbd/nttrans.c:1126(call_nt_transact_create)
call_nt_transact_create - ea_len = 24 but EA's not supported.
[2014/11/24 14:41:01.234579, 3] smbd/error.c:81(error_packet_set)
error packet at smbd/nttrans.c(1127) cmd=160 (SMBnttrans)
NT_STATUS_EAS_NOT_SUPPORTED
[2014/11/24 14:41:01.234607, 5] lib/util.c:332(show_msg)
[2014/11/24 14:41:01.234621, 5] lib/util.c:342(show_msg)
unix_convert called on file "date.txt"
[2014/11/24 14:41:01.236704, 10] smbd/statcache.c:283(stat_cache_lookup)
stat_cache_lookup: lookup succeeded for name [DATE.TXT] -> [date.txt]
[2014/11/24 14:41:01.236813, 5] smbd/filename.c:416(unix_convert)
unix_convert begin: name = date.txt, dirpath = , start = date.txt
[2014/11/24 14:41:01.236877, 10] smbd/mangle_hash2.c:418(is_mangled)
is_mangled date.txt ?
[2014/11/24 14:41:01.236907, 10] smbd/mangle_hash2.c:357(
is_mangled_component)
is_mangled_component date.txt (len 8) ?
[2014/11/24 14:41:01.236949, 10] smbd/mangle_hash2.c:418(is_mangled)
is_mangled date.txt ?
[2014/11/24 14:41:01.236976, 10]
smbd/mangle_hash2.c:357(is_mangled_component)
is_mangled_component date.txt (len 8) ?
[2014/11/24 14:41:01.237059, 5] smbd/statcache.c:143(stat_cache_add)
stat_cache_add: Added entry (7f0100def050:size 8) DATE.TXT -> date.txt
[2014/11/24 14:41:01.237093, 5] smbd/statcache.c:143(stat_cache_add)
stat_cache_add: Added entry (7f0100deeff0:size 8) DATE.TXT -> date.txt
[2014/11/24 14:41:01.237119, 5] smbd/filename.c:965(unix_convert)
conversion finished date.txt -> date.txt
[2014/11/24 14:41:01.237146, 3] smbd/vfs.c:905(check_reduced_name)
check_reduced_name [date.txt] [/home]
[2014/11/24 14:41:01.237205, 3] smbd/vfs.c:963(check_reduced_name)
check_reduced_name: couldn't get realpath for date.txt
[2014/11/24 14:41:01.237233, 5] smbd/filename.c:1039(check_name)
check_name: name date.txt failed with NT_STATUS_ACCESS_DENIED
[2014/11/24 14:41:01.237259, 3] smbd/filename.c:1365(filename_convert)
filename_convert: check_name failed for name date.txt with
NT_STATUS_ACCESS_DENIED
[2014/11/24 14:41:01.237285, 3] smbd/error.c:81(error_packet_set)
error packet at smbd/nttrans.c(552) cmd=162 (SMBntcreateX)
NT_STATUS_ACCESS_DENIED
[2014/11/24 14:41:01.237311, 5] lib/util.c:332(show_msg)
[2014/11/24 14:41:01.237325, 5] lib/util.c:342(show_msg)asdfaf
[2014/11/24 14:41:01.250516, 10] ../lib/util/util.c:415(dump_data)
[0000] 00 5C 00 64 00 61 00 74 00 65 00 2E 00 74 00 78 .\.d.a.t
.e...t.x
[0010] 00 74 00 00 00 .t...
[2014/11/24 14:41:01.250565, 3] smbd/process.c:1414(switch_message)
switch message SMBntcreateX (pid 21356) conn 0x7f0100decf10
[2014/11/24 14:41:01.250591, 4] smbd/uid.c:351(change_to_user)
Skipping user change - already user
[2014/11/24 14:41:01.250618, 10] smbd/nttrans.c:500(reply_ntcreate_and_X)
reply_ntcreate_and_X: flags = 0x16, access_mask = 0x20089 file_attributes
= 0x0, share_access = 0x7, create_disposition = 0x1 create_options = 0x0
root_dir_fid = 0x0, fname = date.txt
[2014/11/24 14:41:01.250646, 5] smbd/filename.c:257(unix_convert)
unix_convert called on file "date.txt"
[2014/11/24 14:41:01.250672, 10] smbd/statcache.c:283(stat_cache_lookup)
stat_cache_lookup: lookup succeeded for name [DATE.TXT] -> [date.txt]
[2014/11/24 14:41:01.250723, 5] smbd/filename.c:416(unix_convert)
unix_convert begin: name = date.txt, dirpath = , start = date.txt
[2014/11/24 14:41:01.250789, 10] smbd/mangle_hash2.c:418(is_mangled)
is_mangled date.txt ?
[2014/11/24 14:41:01.250818, 10]
smbd/mangle_hash2.c:357(is_mangled_component)
is_mangled_component date.txt (len 8) ?
[2014/11/24 14:41:01.250859, 10] smbd/mangle_hash2.c:418(is_mangled)
is_mangled date.txt ?
[2014/11/24 14:41:01.250887, 10]
smbd/mangle_hash2.c:357(is_mangled_component)
is_mangled_component date.txt (len 8) ?
[2014/11/24 14:41:01.250946, 5] smbd/statcache.c:143(stat_cache_add)
stat_cache_add: Added entry (7f0100def050:size 8) DATE.TXT -> date.txt
[2014/11/24 14:41:01.250980, 5] smbd/statcache.c:143(stat_cache_add)
stat_cache_add: Added entry (7f0100deeff0:size 8) DATE.TXT -> date.txt
[2014/11/24 14:41:01.251006, 5] smbd/filename.c:965(unix_convert)
conversion finished date.txt -> date.txt
[2014/11/24 14:41:01.251032, 3] smbd/vfs.c:905(check_reduced_name)
check_reduced_name [date.txt] [/home]
[2014/11/24 14:41:01.251074, 3] smbd/vfs.c:963(check_reduced_name)
check_reduced_name: couldn't get realpath for date.txt
[2014/11/24 14:41:01.251102, 5] smbd/filename.c:1039(check_name)
check_name: name date.txt failed with NT_STATUS_ACCESS_DENIED
[2014/11/24 14:41:01.251128, 3] smbd/filename.c:1365(filename_convert)
filename_convert: check_name failed for name date.txt with
NT_STATUS_ACCESS_DENIED
[2014/11/24 14:41:01.251153, 3] smbd/error.c:81(error_packet_set)
error packet at smbd/nttrans.c(552) cmd=162 (SMBntcreateX)
NT_STATUS_ACCESS_DENIED
[2014/11/24 14:41:01.251179, 5] lib/util.c:332(show_msg)
[2014/11/24 14:41:01.251194, 5] lib/util.c:342(show_msg)
Thanks,
- Jim
Jim Irrer irrer at umich.edu (734) 647-4409
University of Michigan Hospital Radiation Oncology
519 W. William St. Ann Arbor, MI 48103-4943
On Mon, Nov 24, 2014 at 2:08 PM, Dan Pritts <danno at dogcheese.net> wrote:
> I thought an individual smbd got spawned for each connection, and then
> setuid to the user who was connecting. Perhaps I’m wrong, or out of date.
>
> My next suggestion would be to dig in and figure out how to increase
> logging verbosity. make sure that /var/log/samba is mode 1777 so if i’m
> right about the suid bit, each individual smbd will still be able to write
> there.
>
>
> On Nov 24, 2014, at 2:01 PM, Jim Irrer <irrer at umich.edu> wrote:
>
> Dan -
>
> I've checked file permissions on the server side and chmod'ed them to 777.
>
> The smbd is running as root. There will be several different users
> accessing this,
> so I don't see how it could be run as a regular user.
>
> Not much info, but here's the contents of /var/log/samba/log.smbd . There
> wasn't anything
> else in the /var/log directory.
>
>
> [2014/11/24 09:51:38, 0] smbd/server.c:1072(main)
> smbd version 3.6.23-12.el6 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2011
> [2014/11/24 10:28:11, 0] smbd/server.c:1072(main)
> smbd version 3.6.23-12.el6 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2011
> [2014/11/24 10:30:53, 0] smbd/server.c:1072(main)
> smbd version 3.6.23-12.el6 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2011
> [2014/11/24 10:44:56, 0] smbd/server.c:1072(main)
> smbd version 3.6.23-12.el6 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2011
> [2014/11/24 10:44:56.448058, 0] param/loadparm.c:8004(lp_do_parameter)
> Global parameter wins support found in service section!
> [2014/11/24 10:45:55, 0] smbd/server.c:1072(main)
> smbd version 3.6.23-12.el6 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2011
> [2014/11/24 10:45:55.245308, 0] param/loadparm.c:8004(lp_do_parameter)
> Global parameter wins support found in service section!
> [2014/11/24 10:49:27, 0] smbd/server.c:1072(main)
> smbd version 3.6.23-12.el6 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2011
> [2014/11/24 10:57:29, 0] smbd/server.c:1072(main)
> smbd version 3.6.23-12.el6 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2011
> [2014/11/24 11:36:13, 0] smbd/server.c:1072(main)
> smbd version 3.6.23-12.el6 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2011
> [2014/11/24 11:55:12, 0] smbd/server.c:1072(main)
> smbd version 3.6.23-12.el6 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2011
> [2014/11/24 11:57:53, 0] smbd/server.c:1072(main)
> smbd version 3.6.23-12.el6 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2011
> [2014/11/24 12:05:01, 0] smbd/server.c:1072(main)
> smbd version 3.6.23-12.el6 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2011
> [2014/11/24 12:08:31, 0] smbd/server.c:1072(main)
> smbd version 3.6.23-12.el6 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2011
> [2014/11/24 12:12:36, 0] smbd/server.c:1072(main)
> smbd version 3.6.23-12.el6 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2011
> [2014/11/24 12:28:23, 0] smbd/server.c:1072(main)
> smbd version 3.6.23-12.el6 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2011
> [2014/11/24 12:31:41, 0] smbd/server.c:1072(main)
> smbd version 3.6.23-12.el6 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2011
> [2014/11/24 12:34:25, 0] smbd/server.c:1072(main)
> smbd version 3.6.23-12.el6 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2011
> [2014/11/24 13:01:30, 0] smbd/server.c:1072(main)
> smbd version 3.6.23-12.el6 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2011
> [2014/11/24 13:02:16, 0] smbd/server.c:1072(main)
> smbd version 3.6.23-12.el6 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2011
> [2014/11/24 13:43:54, 0] smbd/server.c:1072(main)
> smbd version 3.6.23-12.el6 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2011
> [2014/11/24 13:44:08, 0] smbd/server.c:1072(main)
> smbd version 3.6.23-12.el6 started.
> Copyright Andrew Tridgell and the Samba Team 1992-2011
>
>
> Thanks,
>
> - Jim
>
> Jim Irrer irrer at umich.edu (734) 647-4409
> University of Michigan Hospital Radiation Oncology
> 519 W. William St. Ann Arbor, MI 48103-4943
>
> On Mon, Nov 24, 2014 at 1:48 PM, Dan Pritts <danno at dogcheese.net> wrote:
>
>> I presume you have double checked the permissions on the server side.
>>
>> Is the smbd running as “irrer”? (which is I think how it should be but
>> I”m not sure)
>>
>> What does the log file say?
>>
>> On Nov 24, 2014, at 1:40 PM, Jim Irrer <irrer at umich.edu> wrote:
>>
>> Howdy -
>>
>> I'm trying to get a Samba version 3.6.23 server working, and it's about
>> 2% functional. From Windows 7, I mount the
>> directory with the following command:
>>
>> net use m: '\\141.214.124.93\home' [password] /USER:irrer
>>
>>
>> On Windows I can do a directory list of the /home directory, but nothing
>> else. I can not cat/type a file on
>> Windows, or do a directory listing on any subdirs under /home.
>>
>> Just to eliminate one more source of problems, I have shut off iptables.
>> I don't care about printers, just want
>> to access some Linux directories from Windows. The password was set up
>> on Linux with the smbpasswd
>> command, and if I use the wrong one then the mount/'net use' command
>> fails, which confirms proper password
>> setup (right?).
>>
>> I also have another Samba server 3.0.33 that I set up long ago that works
>> great from the same Windows desktop.
>>
>>
>>
>> The /etc/samba/smb.config file with comments removed is:
>>
>> [global]
>> workgroup = umhs
>> server string = Samba Server Version %v
>> client signing = Yes
>> log file = /var/log/samba/log.%m
>> max log size = 50
>> security = user
>> passdb backend = tdbsam
>> load printers = yes
>> cups options = raw
>> [homes]
>> browsable = no
>> map archive = yes
>> [home]
>> browseable = yes
>> read only = no
>> path = /home
>>
>> Thanks,
>>
>> - Jim
>>
>> Jim Irrer irrer at umich.edu (734) 647-4409
>> University of Michigan Hospital Radiation Oncology
>> 519 W. William St. Ann Arbor, MI 48103-4943
>> _______________________________________________
>> washlug mailing list
>> washlug at washlug.org
>> http://linux.marcdatabase.com/mailman/listinfo/washlug
>>
>>
>>
>
>
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