[Dovecot] Deleting metadata smashes file dovecot.dict
Ewald Dieterich
ewald.lists at fun.de
Tue Aug 28 17:42:13 EEST 2012
On 08/08/12 14:23, Andre Gröbe wrote:
> I am using dovecot (see dovecot -n output below) with metadata plugin in
> my own plugin. I want to insert and delete some large metadata (>4KiB).
> It seems, that the delete in a second call of my plugin smashes the file
> dovecot.dict in users dir:
That's an error in dict-file.c, file_dict_refresh():
while ((key = i_stream_read_next_line(input)) != NULL &&
(value = i_stream_read_next_line(input)) != NULL) {
If reading the value requires reading from the stream (because the value
doesn't fit into the input buffer), the key is overwritten. The attached
patch duplicates the key before reading the value.
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