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fix #23

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This commit is contained in:
Akegarasu
2024-10-30 16:46:58 +08:00
parent a06c073017
commit ad7bc5fe32
2 changed files with 13 additions and 4 deletions
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1
packet/enter.go
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@@ -2,6 +2,7 @@ package packet
import (
"encoding/json"
log "github.com/sirupsen/logrus"
)

16
packet/packet.go
View File

@@ -5,9 +5,10 @@ import (
"compress/zlib"
"encoding/binary"
"encoding/json"
"io"
"github.com/andybalholm/brotli"
log "github.com/sirupsen/logrus"
"io"
)
const (
@@ -53,11 +54,18 @@ func NewPlainPacket(operation int, body []byte) Packet {
}
func NewPacketFromBytes(data []byte) Packet {
packLen := binary.BigEndian.Uint32(data[0:4])
// 校验包长度
if int(packLen) != len(data) {
if len(data) == 0 {
log.Error("error packet")
return Packet{ProtocolVersion: 1, Operation: uint32(3), Body: make([]byte, 0)}
}
packLen := binary.BigEndian.Uint32(data[0:4])
if int(packLen) == 0 || int(packLen) != len(data) {
log.Error("error packet")
return Packet{ProtocolVersion: 1, Operation: uint32(3), Body: make([]byte, 0)}
}
pv := binary.BigEndian.Uint16(data[6:8])
op := binary.BigEndian.Uint32(data[8:12])
body := data[16:packLen]