[Dovecot] Dsync error when working dir o-rwx

Timo Sirainen tss at iki.fi
Mon Jul 26 21:25:11 EEST 2010

On Sat, 2010-07-24 at 11:15 +0200, Jan Vítek wrote:
> # dsync -D -v -u 'info at example.org' -o 'mail_privileged_group=mail' -o 
> 'mail_location=mbox:/email/info at example.org/mail:INBOX=/var/mail/info at example.org' 
> mirror 'maildir:~/Maildir'
> dsync(info at example.org): Info: Sport: only in source
> dsync(info at example.org): Info: INBOX: only in source
> dsync(info at example.org): Error: open(.) failed: Permission denied

The problem was mail_privileged_group. It wanted to chdir() and then
fchdir() back to original directory. I fixed this by making dsync -u
always chdir() to user's home directory first (it should have been doing
that anyway).

> dsync(info at example.org): Panic: file mbox-sync-rewrite.c: line 247 
> (mbox_sync_try_rewrite): assertion failed: (sync_ctx->mbox->mbox_lock_type 
> == F_WRLCK)

Fixed also this crash.

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