[Solved] Transmission download file permission

Dead_Lemon · #1 April 27th, 2012, 19:36

Hey all,

I'm rather new to ~~Freebsd~~ FreeBSD, and the *nix world in general. I've built myself a file/download server and all has been ok for now, but I'm confused with the way Transmission is creating folder and privileges. It seems that when I set a file to download, the folder it creates, sets its permissions as root, so I cannot delete the file over my network without having to SSH into the box and using chmod 777 on the folder.

For the shared folder I'm using Samba (which I'm still trying to figure out for the most part) shares for my windows network, using a user name, NFS, as the login account to the share (I used a tutorial on ZFSguru, and used there same settings).

Is there a way to change this? A setting in Transmission that changes what account it uses to create the new directories?

sk8harddiefast · #2 April 27th, 2012, 22:34

Install sudo. Create a user. Edit the sudoers file adding the user to it. Install Transmission as the user using sudo. Do not run FreeBSD as root. Always create a user and use the sudo command. Working as root all config files go in /root and not in /home/user. They have different permissions.

Dead_Lemon · #3 April 27th, 2012, 22:53

Awesome, thanks, so I must uninstall transmission first, then install it onto my other account?

sk8harddiefast · #4 April 28th, 2012, 00:30

Yep. Uninstall it (as root or as user using sudo) and just as user run: sudo make install clean into Transmission port.

Dead_Lemon · #5 April 28th, 2012, 15:25

Ok, reinstalled it under a non root account

But I still can't delete the folders Transmission makes, says I now require permission from Unix user/transmission. I'm confused now how I would set my network login account to have equal permissions as transmission.

**SirDice** · #6 April 30th, 2012, 11:17

Simple solution, no sudo or anything else needed. Set a download directory in transmission. I'm using /storage/media/transmission/Downloads/ but you can use any directory you want. The important things are its permissions.

Set it to:

Code:

root@molly:~#ls -ld /storage/media/transmission/Downloads/
drwxrwxr-x  46 transmission  transmission  476 Apr 29 20:49 /storage/media/transmission/Downloads/

Note the write permissions on the group transmission. Now add your user to that group:
pw groupmod transmission -m dice

Log off and log back in. The user dice now has write access to the transmission download directory. And thus can delete files there.

Dead_Lemon · #7 May 1st, 2012, 18:00

I'm still not winning

Code:

[root@server /usr/home/admin]# ls -ld /tank/download/torrents/test              
drwxr-xr-x  3 transmission  admin  3 May  1 18:50 /tank/download/torrents/test

**SirDice** · #8 May 2nd, 2012, 07:00

Ah, forgot to set the umask

Open settings.json when transmission is stopped. Look for:

Code:

    "umask": 18,

Change that to 2.

Dead_Lemon · #9 May 2nd, 2012, 20:43

Still not working, but I think I know why. I used this tutorial when setting it up initially http://pynej.blogspot.com/2010/02/se...ittorrent.html. I now understand this article way better now, not like when I first installed it, blindly tapping away.

In the tutorial he uses sudo pw usermod USERNAME -G transmission and I used that, not originally knowing exactly what it did and I just noticed the one use comment

Quote:

However, 'sudo pw usermod USERNAME -G transmission' did remove my user from the wheel group. Better to use 'sudo pw groupmod transmission -m USERNAME'

In the original command I used Admin as my USERNAME (admin is my general purpose local machine account) sudo pw usermod Admin -G transmission

I noticed today that in your example

Code:

root@molly:~#ls -ld /storage/media/transmission/Downloads/
drwxrwxr-x  46 transmission  transmission  476 Apr 29 20:49 /storage/media/transmission/Downloads/

you have transmission:transmission as folder permissions whereas mine is transmission:admin

Code:

[root@server /usr/home/admin]# ls -ld /tank/download/torrents/test              
drwxr-xr-x  3 transmission  admin  3 May  1 18:50 /tank/download/torrents/test

Not sure how to fix this, or even view all my different groups (also, nfs, is the group I'm looking to give permissions to have read write access, as it is my samba account).

**SirDice** · #10 May 3rd, 2012, 07:25

Note that setting the umask in settings.json only works for new files that are downloaded. Previously downloaded files aren't changed.

Quote:

Originally Posted by Dead_Lemon

Not sure how to fix this, or even view all my different groups

chown(8) or chgrp(1) are the commands you're looking for. To figure out which groups are attached to your user account use id(1).

Code:

dice@molly:~%id -a
uid=1001(dice) gid=1001(dice) groups=1001(dice),500(admin),921(transmission)

chown(8) or chgrp(1):
# chown -R transmission:transmission /tank/download/torrents/
# chgrp -R transmission /tank/download/torrents/

The -R will make sure all files and directories are set recursively.

Dead_Lemon · #11 May 3rd, 2012, 16:51

It's working now. It must have just been the folder permissions then.

I found that after changing the permissions that I could immediately delete those folders I downloaded with "umask": 2 adjustment, what exactly does that do?

Thanks very much for all your help

**SirDice** · #12 May 3rd, 2012, 17:19

Think of umask(1) as a filter. Files are created with 666 permissions and the umask filters some of those bits out. A umask of 2 will make files 664, which is read/write for the owner and group and only read for everyone else.

Dead_Lemon · #13 May 3rd, 2012, 21:40

Awesome, thanks so much for all the help.

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The Following User Says Thank You to sk8harddiefast For This Useful Post:
Dead_Lemon (April 27th, 2012)

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