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修复cstp数据长度溢出报错

This commit is contained in:
bjdgyc 2022-08-17 22:16:04 +08:00
parent 1547201049
commit 091dc69f1d
1 changed files with 5 additions and 0 deletions
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5
server/handler/link_cstp.go
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@ -67,6 +67,11 @@ func LinkCstp(conn net.Conn, bufRW *bufio.ReadWriter, cSess *sessdata.ConnSessio
case 0x00: // DATA case 0x00: // DATA
// 获取数据长度 // 获取数据长度
dataLen = binary.BigEndian.Uint16(pl.Data[4:6]) // 4,5 dataLen = binary.BigEndian.Uint16(pl.Data[4:6]) // 4,5
// 修复 cstp 数据长度溢出报错
if 8+dataLen > BufferSize {
base.Error("recv error dataLen", dataLen)
continue
}
// 去除数据头 // 去除数据头
copy(pl.Data, pl.Data[8:8+dataLen]) copy(pl.Data, pl.Data[8:8+dataLen])
// 更新切片长度 // 更新切片长度