cannot rsync when source directory lacks write permission

András Porjesz andras.porjesz at ericsson.com
Wed Aug 8 23:54:27 MDT 2012


Hi,
Thanks, it looks ok, just it is not documented anywhere: it overwrites the -perms flag on the other side. So read documentation, it is definitely against it:
"In summary: to give destination files (both old and new) the source permissions, use --perms."

Andras

-----Original Message-----
From: rsync-bounces at lists.samba.org [mailto:rsync-bounces at lists.samba.org] On Behalf Of Kevin Korb
Sent: Wednesday, August 08, 2012 19:35
To: rsync at lists.samba.org
Subject: Re: cannot rsync when source directory lacks write permission

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It is because you didn't read the documentation.

When you run rsyncd as root it drops privileges to use nobody unless you tell it to do otherwise.

On 08/08/12 02:29, András Porjesz wrote:
> Hi Steven, In my case rsyncd runs as root, so it must have right to do 
> the job. Rsync started with -p, but the daemon could not write into 
> the destination area, because the [newly created] directories were 
> owned by "nobody" and "other" had no right to write into it.
> The solution (workaround) was to add this line to the config of the
> daemon: uid=root. I have no any idea why it works, why it has any 
> effect at all and why it was not documented if it was required to use 
> --perms.
> 
> Andras
> 
> -----Original Message----- From: rsync-bounces at lists.samba.org 
> [mailto:rsync-bounces at lists.samba.org] On Behalf Of Steven Levine
> Sent: Wednesday, August 08, 2012 00:16 To: rsync at lists.samba.org
> Subject: Re: cannot rsync when source directory lacks write permission
> 
> In
> <CAFUyVX4O-o=r36MA0sMfhMMiPZSurLg3V0Z=QX_v1Bz099ggHw at mail.gmail.com>,
>
> 
on 08/07/12
> at 01:03 PM, "Greg Deback (rsync)" <greg.deb+rsync at gmail.com>
> said:
> 
> 
> Hi,
> 
> 
>> No I think this bug is not related. However, I am wondering : if the 
>> directory is write-protected, even for root, that means it never 
>> changes right ?
> 
> No.  As the code says
> 
> /* We need to ensure that the dirs in the transfer have both * 
> readable and writable permissions during the time we are * putting 
> files within them.  This is then restored to the * former permissions 
> after the transfer is done. */
> 
> If András can not create files and/or dirctories at the destination, 
> it is because the directory does not already have the required 
> read/write permissions or the rsync daemon does not have the authority 
> to change the permissions.
> 
> Regards,
> 
> Steven
> 
> --
> ----------------------------------------------------------------------
>
> 
"Steven Levine" <steve53 at earthlink.net>  eCS/Warp/DIY etc.
> www.scoug.com www.ecomstation.com
> ----------------------------------------------------------------------
>
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