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imapserver: only send OLDNAME in LIST responses when IMAP4rev2 was enabled

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OLDNAME is included in IMAP4rev2, but not in IMAP4rev1. it is also included in
the NOTIFY extension, but we don't implement that yet.

found by Damian Poddebniak with https://github.com/duesee/imap-flow, thanks!
This commit is contained in:
Mechiel Lukkien
2023-12-14 20:09:13 +01:00
parent fbc18d522d
commit 41e3d1af10
3 changed files with 26 additions and 9 deletions
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16
imapserver/server.go
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@ -1311,7 +1311,12 @@ func (c *conn) applyChanges(changes []store.Change, initial bool) {
case store.ChangeAddMailbox:
c.bwritelinef(`* LIST (%s) "/" %s`, strings.Join(ch.Flags, " "), astring(ch.Mailbox.Name).pack(c))
case store.ChangeRenameMailbox:
c.bwritelinef(`* LIST (%s) "/" %s ("OLDNAME" (%s))`, strings.Join(ch.Flags, " "), astring(ch.NewName).pack(c), string0(ch.OldName).pack(c))
// OLDNAME only with IMAP4rev2 or NOTIFY ../rfc/9051:2726 ../rfc/5465:628
var oldname string
if c.enabled[capIMAP4rev2] {
oldname = fmt.Sprintf(` ("OLDNAME" (%s))`, string0(ch.OldName).pack(c))
}
c.bwritelinef(`* LIST (%s) "/" %s%s`, strings.Join(ch.Flags, " "), astring(ch.NewName).pack(c), oldname)
case store.ChangeAddSubscription:
c.bwritelinef(`* LIST (%s) "/" %s`, strings.Join(append([]string{`\Subscribed`}, ch.Flags...), " "), astring(ch.Name).pack(c))
default:
@ -2211,11 +2216,12 @@ func (c *conn) cmdCreate(tag, cmd string, p *parser) {
})
for _, n := range created {
var more string
if n == name && name != origName && !(name == "Inbox" || strings.HasPrefix(name, "Inbox/")) {
more = fmt.Sprintf(` ("OLDNAME" (%s))`, string0(origName).pack(c))
var oldname string
// OLDNAME only with IMAP4rev2 or NOTIFY ../rfc/9051:2726 ../rfc/5465:628
if c.enabled[capIMAP4rev2] && n == name && name != origName && !(name == "Inbox" || strings.HasPrefix(name, "Inbox/")) {
oldname = fmt.Sprintf(` ("OLDNAME" (%s))`, string0(origName).pack(c))
}
c.bwritelinef(`* LIST (\Subscribed) "/" %s%s`, astring(n).pack(c), more)
c.bwritelinef(`* LIST (\Subscribed) "/" %s%s`, astring(n).pack(c), oldname)
}
c.ok(tag, cmd)
}