hanfuit
645b64fe21
服务端（Go）： - GM 塞背包/带属性装备发放：在线角色推送 op14 增量物品行，背包实时刷新，无需回角色选择界面 - GM 改金币/改等级：去掉在线拒绝，落库后推送 op14 钱包/op37 等级状态，在线实时刷新 - 等级端点统一切换到新版 GMSetCharacterLevel（自带在线刷新） - 无限/锁死疲劳模式 + 燃烧疲劳：每房间消耗 2 点、打怪与通关经验双倍 - 燃烧疲劳开关时给所有在线角色推送系统提示（op12 mode 0） - 深渊史诗掉率：GM 全局倍率 + 城镇增益药剂窗口倍率，真实接入掉落结算 启动器（Python/JS）： - 标题栏自绘、窗口 1204x717、禁止拖拽改大小、仅最小化/关闭 - GM 工具：疲劳与燃烧、深渊史诗掉率、拍卖行上架（单一定价对齐） - 拍卖行上架前端对齐服务端单一价格语义，修复 400 报错
70 lines
1.7 KiB
Go
70 lines
1.7 KiB
Go
//go:build windows
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package dnfbridge
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import (
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"encoding/binary"
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"math/bits"
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"net/netip"
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"syscall"
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"unsafe"
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"golang.org/x/sys/windows"
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)
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const udpTableOwnerPID = 1
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var (
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udpIPHelperDLL = windows.NewLazySystemDLL("iphlpapi.dll")
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procGetExtendedUDPTable = udpIPHelperDLL.NewProc("GetExtendedUdpTable")
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)
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// localUDPEndpointOwnerPID identifies the local DNF.exe that owns a reflected
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// probe source port. This disambiguates two clients running on the server PC,
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// where both sessions necessarily advertise the same private IPv4 address.
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func localUDPEndpointOwnerPID(endpoint netip.AddrPort) (uint32, bool) {
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if !endpoint.IsValid() || !endpoint.Addr().Is4() || endpoint.Port() == 0 {
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return 0, false
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}
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var size uint32
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result, _, _ := procGetExtendedUDPTable.Call(
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0,
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uintptr(unsafe.Pointer(&size)),
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0,
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uintptr(syscall.AF_INET),
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udpTableOwnerPID,
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0,
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)
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if result != uintptr(windows.ERROR_INSUFFICIENT_BUFFER) || size < 4 {
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return 0, false
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}
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table := make([]byte, size)
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result, _, _ = procGetExtendedUDPTable.Call(
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uintptr(unsafe.Pointer(&table[0])),
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uintptr(unsafe.Pointer(&size)),
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0,
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uintptr(syscall.AF_INET),
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udpTableOwnerPID,
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0,
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)
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if result != 0 || size < 4 {
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return 0, false
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}
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count := int(binary.LittleEndian.Uint32(table[:4]))
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const rowSize = 12
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for index := 0; index < count; index++ {
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offset := 4 + index*rowSize
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if offset+rowSize > int(size) || offset+rowSize > len(table) {
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break
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}
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row := table[offset : offset+rowSize]
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port := bits.ReverseBytes16(uint16(binary.LittleEndian.Uint32(row[4:8])))
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if port != endpoint.Port() {
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continue
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}
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pid := binary.LittleEndian.Uint32(row[8:12])
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return pid, pid != 0
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}
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return 0, false
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}
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