[Dovecot] LIST command -- quoting of folder names

[Eric Abrahamsen]

Timo Sirainen <tss at iki.fi> writes:

> On 30.6.2013, at 5.02, Eric Abrahamsen <eric at ericabrahamsen.net> wrote:
>
>> * LIST (\HasChildren) "/" [Gmail]
>> * LIST (\HasNoChildren) "/" [Gmail]/Spam
>> * LIST (\HasNoChildren) "/" [Gmail]/Starred
>> * LIST (\HasNoChildren) "/" [Gmail]/Trash
>> * LIST (\HasNoChildren) "/" [Gmail]/Drafts
>> * LIST (\HasNoChildren) "/" "[Gmail]/Sent Mail"
>> * LIST (\HasNoChildren) "/" [Gmail]/Important
>> * LIST (\HasNoChildren) "/" INBOX
>> 
>> Only "[Gmail]/Sent Mail" is quoted. This is messing up gnus, my MUA,
>> which truncates other folder names after the / separator.
>
> RFC 3501:
>
> list            = "LIST" SP mailbox SP list-mailbox
> list-mailbox    = 1*list-char / string
> list-char       = ATOM-CHAR / list-wildcards / resp-specials
> ATOM-CHAR       = <any CHAR except atom-specials>
> atom-specials   = "(" / ")" / "{" / SP / CTL / list-wildcards /
>                   quoted-specials / resp-specials
> list-wildcards  = "%" / "*"
> resp-specials   = "]"
>
> Looks to me like all the characters in the mailbox names are
> list-chars, so this would be a gnus bug. Unless this affects some
> widely used client I'd rather not change Dovecot to unnecessarily add
> quotes where they're not needed.
>
>> Examples of testing I've seen online have shown all folder names quoted,
>> which would allow things to work correctly here. Is this something I can
>> affect with local configuration, or is there some other solution? Would
>> removing "LAYOUT=fs" affect this issue?
>
> You can't affect this without modifying source code.

Good to know, thanks! I'll work on it in from the gnus end, it should be
relatively easy to fix there.

Eric