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Bug 1650452

Summary: Backport smbc_setOptionProtocols() function
Product: Red Hat Enterprise Linux 7 Reporter: Ondrej Holy <oholy>
Component: sambaAssignee: Andreas Schneider <asn>
Status: CLOSED ERRATA QA Contact: Andrej Dzilský <adzilsky>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 7.7CC: adzilsky, asn, bnocera, gdeschner, jarrpa, jstephen
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: samba-4.9.1-3.el7 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of:
: 1658690 (view as bug list) Environment:
Last Closed: 2019-08-06 12:45:55 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 1619719, 1658690, 1739116    

Description Ondrej Holy 2018-11-16 08:34:04 UTC 
Workgroup browsing over libsmbclient API is broken with smb.conf defaults after RHEL 7.5 update, because "client max protocol" default value has been changed to PROTOCOL_LATEST, but NT1 is mandatory for workgroup functionality:
https://lists.samba.org/archive/samba-technical/2017-May/120768.html

Please backport smbc_setOptionProtocols() function, which allows forcing NT1 for libsmbclient clients:
https://github.com/samba-team/samba/commit/0dae4e2f5c65
https://github.com/samba-team/samba/commit/885435e8a4dc

This is necessary to fix "Windows Network" functionality in GNOME, see:
https://bugzilla.redhat.com/show_bug.cgi?id=1619719
https://gitlab.gnome.org/GNOME/gvfs/commit/6c8bc39f570e
Comment 2 Andreas Schneider 2018-12-12 16:44:15 UTC 
Checked again, I think we are safe to update which means the so version gets bumped too.
Comment 5 Ondrej Holy 2019-02-13 16:55:48 UTC 
I have tried to build gvfs with samba-4.9.1-1.el7, however gvfs doesn't see the smbc_setOptionProtocols function. It seems that the symbol is not part of the library:

$ wget -q http://download.eng.bos.redhat.com/brewroot/vol/rhel-7/packages/samba/4.9.1/1.el7/x86_64/libsmbclient-4.9.1-1.el7.x86_64.rpm
$ rpm2cpio libsmbclient-4.9.1-1.el7.x86_64.rpm | cpio -idmv 2> /dev/null
$ nm -D usr/lib64/libsmbclient.so.0 | grep smbc_setOption
000000000001b4f0 T smbc_setOptionBrowseMaxLmbCount
000000000001b4c0 T smbc_setOptionCaseSensitive
000000000001b3c0 T smbc_setOptionDebugToStderr
000000000001b580 T smbc_setOptionFallbackAfterKerberos
000000000001b430 T smbc_setOptionFullTimeNames
000000000001b5b0 T smbc_setOptionNoAutoAnonymousLogin
000000000001b530 T smbc_setOptionOneSharePerServer
000000000001b460 T smbc_setOptionOpenShareMode
000000000001b4a0 T smbc_setOptionSmbEncryptionLevel
000000000001b510 T smbc_setOptionUrlEncodeReaddirEntries
000000000001b5e0 T smbc_setOptionUseCCache
000000000001b550 T smbc_setOptionUseKerberos
000000000001b610 T smbc_setOptionUseNTHash
000000000001b480 T smbc_setOptionUserData
$ nm -D usr/lib64/libsmbclient.so.0 | grep smbc_setOptionProtocols
$

Andreas, can you please take a look at?
Comment 6 Andreas Schneider 2019-03-20 17:31:29 UTC 
Fixed in new build.
Comment 9 errata-xmlrpc 2019-08-06 12:45:55 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2019:2099