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Fangliding avatar Fangliding commented on June 8, 2024 1

代码复杂 不知道timeout是咋运行的

timer在

Xray-core/proxy/vless/outbound/outbound.go

Line 238 in 26d49df

err = encoding.XtlsWrite(clientReader, serverWriter, timer, conn, trafficState, ob, ctx1)

被传入 encoding.XtlsWrite()
在其内部好像只有一个简单粗暴的

Xray-core/proxy/vless/encoding/encoding.go

Line 248 in 26d49df

timer.Update()

在其他情况下 这个timer是这么用的

Xray-core/proxy/vless/outbound/outbound.go

Line 241 in 26d49df

err = buf.Copy(clientReader, serverWriter, buf.UpdateActivity(timer))

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MetaZuo avatar MetaZuo commented on June 8, 2024 1

@MetaZuo 能麻烦你两端换成最新构建试下 https://github.com/XTLS/Xray-core/actions/runs/9143464115

@yuhan6665 bug依然存在，症状相同，已确认双端运行的构建版本都是3168d27

server error.log

2024/05/19 05:26:51 [Debug] app/log: Logger started
2024/05/19 05:26:51 [Info] app/dns: DNS: created Local DOH client for https://cloudflare-dns.com/dns-query
2024/05/19 05:26:51 [Info] app/dns: DNS: created UDP client initialized for 1.1.1.1:53
2024/05/19 05:26:51 [Info] app/dns: DNS: created UDP client initialized for 1.0.0.1:53
2024/05/19 05:26:51 [Info] app/dns: DNS: created UDP client initialized for 8.8.8.8:53
2024/05/19 05:26:51 [Info] app/dns: DNS: created UDP client initialized for 8.8.4.4:53
2024/05/19 05:26:51 [Info] app/dns: DNS: created localhost client
2024/05/19 05:26:51 [Debug] app/router: MphDomainMatcher is enabled for 76581 domain rule(s)
2024/05/19 05:26:51 [Debug] app/stats: create new counter inbound>>>api>>>traffic>>>uplink
2024/05/19 05:26:51 [Debug] app/stats: create new counter inbound>>>api>>>traffic>>>downlink
2024/05/19 05:26:51 [Debug] app/proxyman/inbound: creating stream worker on 127.0.0.1:32768
2024/05/19 05:26:51 [Debug] app/stats: create new counter inbound>>>xray-script-xtls-reality>>>traffic>>>uplink
2024/05/19 05:26:51 [Debug] app/stats: create new counter inbound>>>xray-script-xtls-reality>>>traffic>>>downlink
2024/05/19 05:26:51 [Debug] app/proxyman/inbound: creating stream worker on 0.0.0.0:443
2024/05/19 05:26:51 [Debug] app/stats: create new counter outbound>>>direct>>>traffic>>>uplink
2024/05/19 05:26:51 [Debug] app/stats: create new counter outbound>>>direct>>>traffic>>>downlink
2024/05/19 05:26:51 [Debug] app/stats: create new counter outbound>>>block>>>traffic>>>uplink
2024/05/19 05:26:51 [Debug] app/stats: create new counter outbound>>>block>>>traffic>>>downlink
2024/05/19 05:26:51 [Info] transport/internet/tcp: listening TCP on 127.0.0.1:32768
2024/05/19 05:26:51 [Info] transport/internet/tcp: listening TCP on 0.0.0.0:443
2024/05/19 05:26:51 [Warning] core: Xray 1.8.11 started
2024/05/19 05:27:10 [Info] [3895005955] proxy/vless/inbound: firstLen = 1186
2024/05/19 05:27:10 [Info] [3895005955] proxy/vless/inbound: received request for tcp:download.pytorch.org:443
2024/05/19 05:27:10 [Debug] app/stats: create new counter user>>>[email protected]>>>traffic>>>uplink
2024/05/19 05:27:10 [Debug] app/stats: create new counter user>>>[email protected]>>>traffic>>>downlink
2024/05/19 05:27:10 [Info] [3895005955] proxy: Xtls Unpadding new block, content 295 padding 847 command 0
2024/05/19 05:27:10 [Info] [3895005955] proxy: XtlsFilterTls found tls client hello! 295
2024/05/19 05:27:10 [Info] [3895005955] app/dispatcher: sniffed domain: download.pytorch.org
2024/05/19 05:27:10 [Debug] app/dns: domain download.pytorch.org will use DNS in order: [DOHL//cloudflare-dns.com UDP:1.1.1.1:53 UDP:1.0.0.1:53 UDP:8.8.8.8:53 UDP:8.8.4.4:53 localhost]
2024/05/19 05:27:10 [Info] app/dns: DOHL//cloudflare-dns.com querying: download.pytorch.org.
2024/05/19 05:27:10 [Debug] transport/internet: dialing to tcp:cloudflare-dns.com:443
2024/05/19 05:27:10 [Debug] transport/internet: dialing to tcp:cloudflare-dns.com:443
2024/05/19 05:27:10 [Info] app/dns: DOHL//cloudflare-dns.com got answer: download.pytorch.org. TypeAAAA -> [[2600:9000:2135:b200:d:607e:4540:93a1] [2600:9000:2135:3600:d:607e:4540:93a1] [2600:9000:2135:5000:d:607e:4540:93a1] [2600:9000:2135:5e00:d:607e:4540:93a1] [2600:9000:2135:1a00:d:607e:4540:93a1] [2600:9000:2135:9a00:d:607e:4540:93a1] [2600:9000:2135:7a00:d:607e:4540:93a1] [2600:9000:2135:d400:d:607e:4540:93a1]] 91.312846ms
2024/05/19 05:27:10 [Info] app/dns: DOHL//cloudflare-dns.com got answer: download.pytorch.org. TypeA -> [13.224.163.76 13.224.163.73 13.224.163.10 13.224.163.42] 173.108302ms
2024/05/19 05:27:10 [Info] [3895005955] app/dispatcher: default route for tcp:download.pytorch.org:443
2024/05/19 05:27:10 [Info] [3895005955] transport/internet/tcp: dialing TCP to tcp:download.pytorch.org:443
2024/05/19 05:27:10 [Debug] transport/internet: dialing to tcp:download.pytorch.org:443
2024/05/19 05:27:11 [Info] [3895005955] proxy/freedom: connection opened to tcp:download.pytorch.org:443, local endpoint [隐去]:54608, remote endpoint [2600:9000:2135:5c00:d:607e:4540:93a1]:443
2024/05/19 05:27:11 [Info] [3895005955] proxy: XtlsFilterTls found tls 1.3! 4832 TLS_AES_128_GCM_SHA256
2024/05/19 05:27:11 [Info] [3895005955] proxy: XtlsPadding 4832 124 0
2024/05/19 05:27:11 [Info] [3895005955] proxy: XtlsPadding 1155 214 0
2024/05/19 05:27:11 [Info] [3895005955] proxy: Xtls Unpadding new block, content 64 padding 849 command 0
2024/05/19 05:27:11 [Info] [3895005955] proxy: Xtls Unpadding new block, content 160 padding 752 command 2
2024/05/19 05:27:11 [Info] [3895005955] proxy: CopyRawConn readv
2024/05/19 05:27:11 [Info] [3895005955] proxy: XtlsPadding 146 1132 2
2024/05/19 05:27:11 [Info] [3895005955] proxy: CopyRawConn splice
2024/05/19 05:27:50 [Info] [3895005955] app/proxyman/inbound: connection ends > proxy/vless/inbound: connection ends > context canceled

client Verror.txt

2024/05/19 13:27:04 [Debug] app/log: Logger started
2024/05/19 13:27:04 [Info] app/dns: DNS: created UDP client initialized for 223.5.5.5:53
2024/05/19 13:27:04 [Info] app/dns: DNS: created UDP client initialized for 1.1.1.1:53
2024/05/19 13:27:04 [Info] app/dns: DNS: created UDP client initialized for 8.8.8.8:53
2024/05/19 13:27:04 [Info] app/dns: DNS: created Remote DOH client for https://dns.google/dns-query
2024/05/19 13:27:04 [Debug] app/proxyman/inbound: creating stream worker on 127.0.0.1:1181
2024/05/19 13:27:04 [Debug] app/proxyman/inbound: creating stream worker on 127.0.0.1:1182
2024/05/19 13:27:04 [Debug] app/proxyman/inbound: creating stream worker on 127.0.0.1:1186
2024/05/19 13:27:04 [Debug] app/stats: create new counter outbound>>>proxy>>>traffic>>>uplink
2024/05/19 13:27:04 [Debug] app/stats: create new counter outbound>>>proxy>>>traffic>>>downlink
2024/05/19 13:27:04 [Debug] app/stats: create new counter outbound>>>direct>>>traffic>>>uplink
2024/05/19 13:27:04 [Debug] app/stats: create new counter outbound>>>direct>>>traffic>>>downlink
2024/05/19 13:27:04 [Debug] app/stats: create new counter outbound>>>block>>>traffic>>>uplink
2024/05/19 13:27:04 [Debug] app/stats: create new counter outbound>>>block>>>traffic>>>downlink
2024/05/19 13:27:04 [Info] transport/internet/tcp: listening TCP on 127.0.0.1:1181
2024/05/19 13:27:04 [Info] transport/internet/udp: listening UDP on 127.0.0.1:1181
2024/05/19 13:27:04 [Info] transport/internet/tcp: listening TCP on 127.0.0.1:1182
2024/05/19 13:27:04 [Info] transport/internet/tcp: listening TCP on 127.0.0.1:1186
2024/05/19 13:27:04 [Warning] core: Xray 1.8.11 started
2024/05/19 13:27:09 [Info] [845647488] proxy/socks: TCP Connect request to tcp:18.65.3.71:443
2024/05/19 13:27:09 [Info] [845647488] app/dispatcher: sniffed domain: download.pytorch.org
2024/05/19 13:27:09 [Info] [845647488] app/dispatcher: taking detour [proxy] for [tcp:download.pytorch.org:443]
2024/05/19 13:27:09 [Info] [845647488] transport/internet/tcp: dialing TCP to tcp:隐去:443
2024/05/19 13:27:09 [Debug] transport/internet: dialing to tcp:隐去:443
2024/05/19 13:27:09 [Info] [845647488] proxy/vless/outbound: tunneling request to tcp:download.pytorch.org:443 via 隐去:443
2024/05/19 13:27:09 [Info] [845647488] proxy: XtlsFilterTls found tls client hello! 295
2024/05/19 13:27:09 [Info] [845647488] proxy: XtlsPadding 295 847 0
2024/05/19 13:27:10 [Info] [845647488] proxy: Xtls Unpadding new block, content 4832 padding 124 command 0
2024/05/19 13:27:10 [Info] [845647488] proxy: XtlsFilterTls found tls 1.3! 1163 TLS_AES_128_GCM_SHA256
2024/05/19 13:27:10 [Info] [845647488] proxy: Xtls Unpadding new block, content 1155 padding 214 command 0
2024/05/19 13:27:10 [Info] [845647488] proxy: XtlsPadding 64 849 0
2024/05/19 13:27:10 [Info] [845647488] proxy: XtlsPadding 160 752 2
2024/05/19 13:27:10 [Info] [845647488] proxy: Xtls Unpadding new block, content 146 padding 1132 command 2
2024/05/19 13:27:10 [Info] [845647488] proxy: CopyRawConn readv
2024/05/19 13:27:51 [Info] [845647488] app/proxyman/inbound: connection ends > proxy/socks: connection ends > context canceled
2024/05/19 13:28:45 [Debug] app/log: Logger closing

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MetaZuo avatar MetaZuo commented on June 8, 2024 1

@MetaZuo 你的日志帮我想起 inbound 缺了一个修复 你再试下 https://github.com/XTLS/Xray-core/actions/runs/9153291749

@yuhan6665 经测试应该是解决了，感谢！

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MetaZuo avatar MetaZuo commented on June 8, 2024

测试时只把 Server config 里面的 connIdle 改成了 20，写 issue 时忘记更新了。Server log 可见
2024/05/09 12:46:05 [Info] [2259118787] proxy/vless/inbound: received request for tcp:download.pytorch.org:443
40秒后
2024/05/09 12:46:45 [Info] [2259118787] app/proxyman/inbound: connection ends > proxy/vless/inbound: connection ends > context canceled
（Server 时区 UTC+0，Client 时区 UTC+8）

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Fangliding avatar Fangliding commented on June 8, 2024

xtls对于timer的实现似乎不正确 关掉flow试一试

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MetaZuo avatar MetaZuo commented on June 8, 2024

xtls对于timer的实现似乎不正确 关掉flow试一试

服务端和客户端 flow 都置空，的确没有再断了

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WhyFear avatar WhyFear commented on June 8, 2024

xtls对于timer的实现似乎不正确 关掉flow试一试

服务端和客户端 flow 都置空，的确没有再断了

关掉flow不会失去安全性吗

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Fangliding avatar Fangliding commented on June 8, 2024

是bug 会修的 要关只是确认一下

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UbiVPN avatar UbiVPN commented on June 8, 2024

@MetaZuo 真牛逼，這麼隱藏的bug都被你發現了

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RPRX avatar RPRX commented on June 8, 2024

已知潜在问题，双向 Splice 会导致 timer 没被更新从而掐断连接 @yuhan6665

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yuhan6665 avatar yuhan6665 commented on June 8, 2024

可以吧 这周再填一个坑

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RPRX avatar RPRX commented on June 8, 2024

可以吧 这周再填一个坑

这个坑挺好填的，Splice 又观察不了，不就只有把 timeout 扔掉这一个方法吗

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yuhan6665 avatar yuhan6665 commented on June 8, 2024

代码复杂 不知道timeout是咋运行的

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RPRX avatar RPRX commented on June 8, 2024

不知道 Linux 双向 Splice 后有没有自带不活跃超时机制，希望它有，或者有 syscall 能给单个 TCP socket 设置不活跃超时关闭也行

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yuhan6665 avatar yuhan6665 commented on June 8, 2024

yuhan6665：我没实现双向 splice。。只是加了 freedom 下行方向。。
R佬：这里说的那些软件 开始下载后上行不活跃的

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yuhan6665 avatar yuhan6665 commented on June 8, 2024

@MetaZuo 能麻烦你两端换成最新构建试下 https://github.com/XTLS/Xray-core/actions/runs/9143464115

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yuhan6665 avatar yuhan6665 commented on June 8, 2024

@MetaZuo 你的日志帮我想起 inbound 缺了一个修复 你再试下 https://github.com/XTLS/Xray-core/actions/runs/9153291749

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yuhan6665 avatar yuhan6665 commented on June 8, 2024

Thanks all!

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