Hey Justin These users are artists/graphic designers, I can't ask them to drop to a shell and run /usr/bin/unzip, unfortunately :)
I'll see if there's some option to set with the OS X 'defaults' command to ignore permissions when running the built in GUI zip/unzip, but I'm not very hopeful.
I'll let you all know what I find, if anything.
Ian Ehrenwald Senior Infrastructure Engineer Hachette Book Group, Inc. 1.617.263.1948 / ian.ehrenwald@hbgusa.com
________________________________________ From: Parisi, Justin Justin.Parisi@netapp.com Sent: Wednesday, May 9, 2018 3:16:37 PM To: Ehrenwald, Ian; toasters@teaparty.net Subject: RE: Mac OS X, SMB NTFS, and chmod/chown
I wouldn't change the permissions to mixed.
I'd try to track down ways to unzip without needing to modify permissions. Is there perhaps a cli flag for the unzip command?
-----Original Message----- From: toasters-bounces@teaparty.net toasters-bounces@teaparty.net On Behalf Of Ehrenwald, Ian Sent: Wednesday, May 9, 2018 12:28 PM To: toasters@teaparty.net Subject: Mac OS X, SMB NTFS, and chmod/chown
Hello I have users on Mac OS X that are unable to uncompress zip files in SMB shares which sit on top of NTFS security style volumes. I hadn't heard of this problem until I started migrating my users to new shares, previously they were all on UNIX security style volumes.
If I am understanding my users correctly, they can reliably reproduce this problem this way: - In Finder, right click on a folder on a share, select Compress - Zip file is created successfully on share - Double click on Zip file that was created - Mac OS X archiver utility pops up an error box, "Unable to expand (zip name) into (target dir). (Error 13 - Permission denied).
Examining the Zip file from the command line shows that it is a fully formed file, no corruption, etc. When I attempt to uncompress the Zip file using the command line on the same machine that created it, I can see that unzip is attempting to chmod the files and directories and getting a Permission Denied error back from the svm. Output:
UserMachine:z TheUser$ unzip 3:14:18.zip Archive: 3:14:18.zip creating: 3:14:18/ chmod (directory attributes) error: Permission denied inflating: 3:14:18/FileNameXYZ.FC3.idml fchmod (file attributes) error: Permission denied creating: __MACOSX/ chmod (directory attributes) error: Permission denied creating: __MACOSX/3:14:18/ chmod (directory attributes) error: Permission denied inflating: __MACOSX/3:14:18/._FileNameXYZ.FC3.idml fchmod (file attributes) error: Permission denied inflating: 3:14:18/FileNameABC.ai fchmod (file attributes) error: Permission denied inflating: __MACOSX/3:14:18/._FileNameABC.ai fchmod (file attributes) error: Permission denied inflating: 3:14:18/FileNameLMN.png fchmod (file attributes) error: Permission denied inflating: __MACOSX/3:14:18/._FileNameLMN.png fchmod (file attributes) error: Permission denied inflating: 3:14:18/FileNameXYZ.FC3.indd fchmod (file attributes) error: Permission denied inflating: __MACOSX/3:14:18/._FileNameXYZ.FC3.indd fchmod (file attributes) error: Permission denied
warning: cannot set permissions for __MACOSX/3:14:18/ Permission denied warning: set times/attribs failed for __MACOSX/3:14:18/ warning: cannot set permissions for __MACOSX/ Permission denied warning: set times/attribs failed for __MACOSX/ warning: cannot set permissions for 3:14:18/ Permission denied warning: set times/attribs failed for 3:14:18/ UserMachine:z TheUser$
This does make sense, since SMB/CIFS doesn't really understand UNIX ownership and attributes. Is the solution setting the security style of the volume to Mixed? Reading in detail about it at https://whyistheinternetbroken.wordpress.com/2017/01/24/mixed-perceptions-mu...https://whyistheinternetbroken.wordpress.com/2017/01/24/mixed-perceptions-multiprotocol-nas makes it seem like that's the right path to follow, but before I start down that trail I wanted to see what other people have done in this situation.
Thanks for your help.
Ian Ehrenwald Senior Infrastructure Engineer Hachette Book Group, Inc. 1.617.263.1948 / ian.ehrenwald@hbgusa.com
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