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initial implementation of bouncer functionality

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This commit is contained in:
Shivaram Lingamneni 2019-04-12 00:08:46 -04:00
parent a8f04ecc4d
commit c2faeed4b5
19 changed files with 733 additions and 441 deletions
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24
irc/nickname.go
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@ -23,7 +23,7 @@ var (
)
// returns whether the change succeeded or failed
func performNickChange(server *Server, client *Client, target *Client, newnick string, rb *ResponseBuffer) bool {
func performNickChange(server *Server, client *Client, target *Client, session *Session, newnick string, rb *ResponseBuffer) bool {
nickname := strings.TrimSpace(newnick)
cfnick, err := CasefoldName(nickname)
currentNick := client.Nick()
@ -44,8 +44,8 @@ func performNickChange(server *Server, client *Client, target *Client, newnick s
hadNick := target.HasNick()
origNickMask := target.NickMaskString()
whowas := client.WhoWas()
err = client.server.clients.SetNick(target, nickname)
whowas := target.WhoWas()
err = client.server.clients.SetNick(target, session, nickname)
if err == errNicknameInUse {
rb.Add(nil, server.name, ERR_NICKNAMEINUSE, currentNick, nickname, client.t("Nickname is already in use"))
return false
@ -57,16 +57,16 @@ func performNickChange(server *Server, client *Client, target *Client, newnick s
return false
}
client.nickTimer.Touch()
target.nickTimer.Touch()
client.server.logger.Debug("nick", fmt.Sprintf("%s changed nickname to %s [%s]", origNickMask, nickname, cfnick))
if hadNick {
target.server.snomasks.Send(sno.LocalNicks, fmt.Sprintf(ircfmt.Unescape("$%s$r changed nickname to %s"), whowas.nick, nickname))
target.server.whoWas.Append(whowas)
rb.Add(nil, origNickMask, "NICK", nickname)
for friend := range target.Friends() {
if friend != client {
friend.Send(nil, origNickMask, "NICK", nickname)
for session := range target.Friends() {
if session != rb.session {
session.Send(nil, origNickMask, "NICK", nickname)
}
}
}
@ -86,8 +86,14 @@ func (server *Server) RandomlyRename(client *Client) {
buf := make([]byte, 8)
rand.Read(buf)
nick := fmt.Sprintf("%s%s", prefix, hex.EncodeToString(buf))
rb := NewResponseBuffer(client)
performNickChange(server, client, client, nick, rb)
sessions := client.Sessions()
if len(sessions) == 0 {
return
}
// XXX arbitrarily pick the first session to receive error messages;
// all other sessions receive a `NICK` line same as a friend would
rb := NewResponseBuffer(sessions[0])
performNickChange(server, client, client, nil, nick, rb)
rb.Send(false)
// technically performNickChange can fail to change the nick,
// but if they're still delinquent, the timer will get them later