记 Kylin 麒麟系统安全中心拦截导致 dotnet sdk 找不到 OpenSsl 构建失败
我在龙芯机器上安装了 Kylin 麒麟系统，然后去下载龙芯的 dotnet sdk 安装，接着尝试构建一个简单应用，却发现构建失败。报错是 System.DllNotFoundException: Unable to load shared library 'libSystem.Security.Cryptography.Native.OpenSsl' or one of its dependencies错误信息如下
System.TypeInitializationException: The type initializer for 'Crypto' threw an exception.
---> System.DllNotFoundException: Unable to load shared library 'libSystem.Security.Cryptography.Native.OpenSsl' or one of its dependencies. In order to help diagnose loading problems, consider using a tool like strace. If you're using glibc, consider setting the LD_DEBUG environment variable:
/home/lindexi/wzc/dotnet/shared/Microsoft.NETCore.App/8.0.7/libSystem.Security.Cryptography.Native.OpenSsl.so: failed to map segment from shared object
libSystem.Security.Cryptography.Native.OpenSsl.so: cannot open shared object file: No such file or directory
/home/lindexi/wzc/dotnet/shared/Microsoft.NETCore.App/8.0.7/liblibSystem.Security.Cryptography.Native.OpenSsl.so: cannot open shared object file: No such file or directory
/home/lindexi/wzc/dotnet/shared/Microsoft.NETCore.App/8.0.7/libSystem.Security.Cryptography.Native.OpenSsl: cannot open shared object file: No such file or directory
/home/lindexi/wzc/dotnet/shared/Microsoft.NETCore.App/8.0.7/liblibSystem.Security.Cryptography.Native.OpenSsl: cannot open shared object file: No such file or directory
at Interop.Crypto..cctor()
--- End of inner exception stack trace ---
at Interop.Crypto.HashAlgorithmToEvp(String hashAlgorithmId)
at System.Security.Cryptography.HashProviderDispenser.OneShotHashProvider.HashData(String hashAlgorithmId, ReadOnlySpan`1 source, Span`1 destination)
at System.Security.Cryptography.SHA256.TryHashData(ReadOnlySpan`1 source, Span`1 destination, Int32& bytesWritten)
at System.Security.Cryptography.SHA256.HashData(ReadOnlySpan`1 source, Span`1 destination)
at System.Security.Cryptography.SHA256.HashData(ReadOnlySpan`1 source)
at System.Security.Cryptography.SHA256.HashData(Byte[] source)
at Microsoft.DotNet.Cli.Utils.Sha256Hasher.Hash(String text)
at Microsoft.DotNet.Cli.Utils.Sha256Hasher.HashWithNormalizedCasing(String text)
at Microsoft.DotNet.Cli.Utils.ApplicationInsightsEntryFormat.<>c__DisplayClass10_0.<WithAppliedToPropertiesValue>b__1(KeyValuePair`2 p)
at System.Linq.Enumerable.ToDictionary(IEnumerable`1 source, Func`2 keySelector, Func`2 elementSelector, IEqualityComparer`1 comparer)
at System.Linq.Enumerable.ToDictionary(IEnumerable`1 source, Func`2 keySelector, Func`2 elementSelector)
at Microsoft.DotNet.Cli.Utils.ApplicationInsightsEntryFormat.WithAppliedToPropertiesValue(Func`2 func)
at Microsoft.DotNet.Cli.Telemetry.TelemetryFilter.<Filter>b__3_0(ApplicationInsightsEntryFormat r)
at System.Linq.Enumerable.SelectListIterator`2.Fill(ReadOnlySpan`1 source, Span`1 destination, Func`2 func)
at System.Linq.Enumerable.SelectListIterator`2.ToList()
at Microsoft.DotNet.Cli.Telemetry.TelemetryFilter.Filter(Object objectToFilter)
at Microsoft.DotNet.Cli.Utils.TelemetryEventEntry.SendFiltered(Object o)
at Microsoft.DotNet.Cli.Program.ProcessArgs(String[] args, TimeSpan startupTime, ITelemetry telemetryClient)
at Microsoft.DotNet.Cli.Program.Main(String[] args)尝试设置 export LD_DEBUG=all 命令寻找依赖，却没有看到有用的信息，能看到寻找信息如下
binding file /lib/loongarch64-linux-gnu/libssl.so.1.1 to /lib/loongarch64-linux-gnu/libcrypto.so.1.1 : normal symbol `UINT32_it' 且能够在机器上找到此文件
/lib/loongarch64-linux-gnu$ ls | grep libssl
libssl3.so
libssl.so.1.1尝试使用 LD_LIBRARY_PATH 环境变量设置寻找路径，依然没有帮助，依然提示上述错误
尝试重新去龙芯官方下载 dotnet sdk 安装，也没有解决问题，下载地址： http://ftp.loongnix.cn/dotnet/8.0.7/8.0.7-1/deb/dotnet-sdk-8.0_8.0.107-1_loongarch64.deb
我甚至都开始怀疑是龙芯新旧世界的问题了，因为龙芯提供的 dotnet 是旧世界的，我跑的麒麟系统也是旧世界的。通过安同的文档可知，只需判断 /lib64 路径下是否只有 ld.so.1 文件即可知道是否旧世界的系统
/lib64$ ls
ld.so.1再使用 file 命令查看 dotnet 入口程序文件
file dotnet
dotnet: ELF 64-bit LSB shared object, LoongArch-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld.so.1, for GNU/Linux 4.15.0, BuildID=b1631460420e1fb663d140cc85a9b39b7783f7f3, stripped通过以上命令的 interpreter /lib64/ld.so.1 可以知道龙芯提供的 dotnet sdk 也是旧世界的。新世界的 dotnet 是在龙芯社区组织里面的，详细请看 https://github.com/loongson-community/dotnet-unofficial-build
以上这些推测都不正确，我后面在调试别的问题的时候，发现了麒麟系统的安全中心才发现了核心问题
核心原因是我是使用 ssh 远程过去的，麒麟系统的安全中心将我的 dotnet sdk 运行给拦截了，但是在 SSH 里面啥都没有提示，啥都没有看见
解决方法就是在实体机器上，插入显示器和键盘鼠标，再敲一次 dotnet build 命令，接着将弹出的安全中心的未授权程序都点允许
点击那会我忘记截图了，下图可见是在麒麟系统的通知栏上的内容
点击允许之后，再次在远程的 ssh 里面执行 dotnet build 就都能通过了
如此证明龙芯提供的 dotnet sdk 是没有问题的。只是麒麟系统的安全中心在逗我
参考文档：
[*]Unable to load shared library 'libFabricCommon.so' or one of its dependencies. · Issue #1203 · microsoft/service-fabric-issues
[*]https://github.com/loongson-community/dotnet-unofficial-build
[*]新旧世界
[*]http://ftp.loongnix.cn/dotnet/8.0.7/8.0.7-1/deb/dotnet-sdk-8.0_8.0.107-1_loongarch64.deb
[*]我需要帮助，关于gcc的 - LA UOSC
[*]The program cannot be started on Linux , Loongson, Arch · Issue #7747 · AvaloniaUI/Avalonia
[*]https://github.com/shushanhf/runtime
[*]Add LoongArch64 architecture port · Issue #59561 · dotnet/runtime
[*]https://nuget.loongnix.cn/packages/Microsoft.NETCore.App.Runtime.linux-loongarch64
[*]LoongArch & Avalonia
[*]常见问题(FAQ) · 文档
[*]在LoongArch Loongnix开发C#的问题 - LA UOSC
[*]The unofficial yet comprehensive FAQ for LoongArch (last updated 2022-11-23) write(2)
[*] A plan for amending the LoongArch64‘s port · Issue #69705 · dotnet/runtime
来源:https://www.cnblogs.com/lindexi/p/18514833
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