upstream: fix panic on malformed RPL_CHANNELMODEIS
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87b75c44d2
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8e0c256c47
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@ -1389,8 +1389,10 @@ func (uc *upstreamConn) handleMessage(ctx context.Context, msg *irc.Message) err
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return err
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}
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modeStr := ""
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var modeArgs []string
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if len(msg.Params) > 2 {
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modeStr = msg.Params[2]
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modeArgs = msg.Params[3:]
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}
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ch := uc.channels.Get(channel)
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@ -1401,7 +1403,7 @@ func (uc *upstreamConn) handleMessage(ctx context.Context, msg *irc.Message) err
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firstMode := ch.modes == nil
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ch.modes = make(map[byte]string)
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if err := applyChannelModes(ch, modeStr, msg.Params[3:]); err != nil {
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if err := applyChannelModes(ch, modeStr, modeArgs); err != nil {
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return err
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}
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