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Forward MOTD messages downstream

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The first MOTD upon connection is ignored, but subsequent MOTD messages
(requested by the "MOTD" message from the client, typically using a
/motd command) are forwarded.
This commit is contained in:
Gregory Anders 2021-06-09 13:25:15 -06:00 committed by Simon Ser
parent 0081c96ec0
commit 2fe0a57e43
2 changed files with 29 additions and 2 deletions
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2
downstream.go
View file

@ -1105,7 +1105,7 @@ func (dc *downstreamConn) welcome() error {
dc.SendMessage(&irc.Message{
Prefix: dc.srv.prefix(),
Command: irc.ERR_NOMOTD,
Params: []string{dc.nick, "No MOTD"},
Params: []string{dc.nick, "Use /motd to read the message of the day"},
})
dc.updateNick()

29
upstream.go
View file

@ -103,6 +103,8 @@ type upstreamConn struct {
// set of LIST commands in progress, per downstream
pendingLISTDownstreamSet map[uint64]struct{}
gotMotd bool
}
func connectToUpstream(network *network) (*upstreamConn, error) {
@ -662,6 +664,21 @@ func (uc *upstreamConn) handleMessage(msg *irc.Message) error {
uc.network.updateCasemapping(casemapRFC1459)
uc.nickCM = uc.network.casemap(uc.nick)
}
if !uc.gotMotd {
// Ignore the initial MOTD upon connection, but forward
// subsequent MOTD messages downstream
uc.gotMotd = true
return nil
}
uc.forEachDownstreamByID(downstreamID, func (dc *downstreamConn) {
dc.SendMessage(&irc.Message {
Prefix: uc.srv.prefix(),
Command: msg.Command,
Params: msg.Params,
})
})
case "BATCH":
var tag string
if err := parseMessageParams(msg, &tag); err != nil {
@ -1421,7 +1438,17 @@ func (uc *upstreamConn) handleMessage(msg *irc.Message) error {
case irc.RPL_LUSERCLIENT, irc.RPL_LUSEROP, irc.RPL_LUSERUNKNOWN, irc.RPL_LUSERCHANNELS, irc.RPL_LUSERME:
// Ignore
case irc.RPL_MOTDSTART, irc.RPL_MOTD:
// Ignore
if !uc.gotMotd {
return nil
}
uc.forEachDownstreamByID(downstreamID, func (dc *downstreamConn) {
dc.SendMessage(&irc.Message {
Prefix: uc.srv.prefix(),
Command: msg.Command,
Params: msg.Params,
})
})
case irc.RPL_LISTSTART:
// Ignore
case rpl_localusers, rpl_globalusers: