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69 lines
1.5 KiB
69 lines
1.5 KiB
// +build json
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package net
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import (
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"encoding/json"
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"errors"
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"strconv"
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"strings"
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"github.com/v2ray/v2ray-core/common/log"
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)
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var (
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InvalidPortRange = errors.New("Invalid port range.")
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)
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func (this *PortRange) UnmarshalJSON(data []byte) error {
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var maybeint int
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err := json.Unmarshal(data, &maybeint)
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if err == nil {
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if maybeint <= 0 || maybeint >= 65535 {
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log.Error("Invalid port [%s]", string(data))
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return InvalidPortRange
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}
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this.From = Port(maybeint)
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this.To = Port(maybeint)
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return nil
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}
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var maybestring string
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err = json.Unmarshal(data, &maybestring)
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if err == nil {
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pair := strings.SplitN(maybestring, "-", 2)
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if len(pair) == 1 {
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value, err := strconv.Atoi(pair[0])
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if err != nil || value <= 0 || value >= 65535 {
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log.Error("Invalid from port %s", pair[0])
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return InvalidPortRange
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}
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this.From = Port(value)
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this.To = Port(value)
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return nil
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} else if len(pair) == 2 {
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from, err := strconv.Atoi(pair[0])
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if err != nil || from <= 0 || from >= 65535 {
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log.Error("Invalid from port %s", pair[0])
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return InvalidPortRange
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}
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this.From = Port(from)
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to, err := strconv.Atoi(pair[1])
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if err != nil || to <= 0 || to >= 65535 {
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log.Error("Invalid to port %s", pair[1])
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return InvalidPortRange
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}
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this.To = Port(to)
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if this.From > this.To {
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log.Error("Invalid port range %d -> %d", this.From, this.To)
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return InvalidPortRange
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}
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return nil
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}
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}
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return InvalidPortRange
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}
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