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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
No known key found for this signature in database
3 changed files with 26 additions and 9 deletions
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9
imapserver/create_test.go
View File

@ -36,10 +36,15 @@ func TestCreate(t *testing.T) {
// ../rfc/9051:1934
tc.transactf("ok", "create mailbox/")
tc.xuntagged(imapclient.UntaggedList{Flags: []string{`\Subscribed`}, Separator: '/', Mailbox: "mailbox", OldName: "mailbox/"})
tc.xuntagged(imapclient.UntaggedList{Flags: []string{`\Subscribed`}, Separator: '/', Mailbox: "mailbox"})
// OldName is only set for IMAP4rev2 or NOTIFY.
tc.client.Enable("imap4rev2")
tc.transactf("ok", "create mailbox2/")
tc.xuntagged(imapclient.UntaggedList{Flags: []string{`\Subscribed`}, Separator: '/', Mailbox: "mailbox2", OldName: "mailbox2/"})
tc2.transactf("ok", "noop")
tc2.xuntagged(imapclient.UntaggedList{Flags: []string{`\Subscribed`}, Separator: '/', Mailbox: "mailbox"})
tc2.xuntagged(imapclient.UntaggedList{Flags: []string{`\Subscribed`}, Separator: '/', Mailbox: "mailbox"}, imapclient.UntaggedList{Flags: []string{`\Subscribed`}, Separator: '/', Mailbox: "mailbox2"})
// If we are already subscribed, create should still work, and we still want to see the subscribed flag.
tc.transactf("ok", "subscribe newbox")

10
imapserver/rename_test.go
View File

@ -32,9 +32,15 @@ func TestRename(t *testing.T) {
tc.client.Subscribe("x/y/c") // For later rename, but not affected by rename of x.
tc2.transactf("ok", "noop") // Drain.
tc.transactf("ok", "rename x y")
tc.transactf("ok", "rename x z")
tc2.transactf("ok", "noop")
tc2.xuntagged(imapclient.UntaggedList{Separator: '/', Mailbox: "y", OldName: "x"})
tc2.xuntagged(imapclient.UntaggedList{Separator: '/', Mailbox: "z"})
// OldName is only set for IMAP4rev2 or NOTIFY.
tc2.client.Enable("IMAP4rev2")
tc.transactf("ok", "rename z y")
tc2.transactf("ok", "noop")
tc2.xuntagged(imapclient.UntaggedList{Separator: '/', Mailbox: "y", OldName: "z"})
// Rename to a mailbox that only exists in database as subscribed.
tc.transactf("ok", "rename y sub")

16
imapserver/server.go
View File

@ -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)
}