Ubuntu 22.04 x64: could not load ssl libraries

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#151 opened on Oct 30, 2023 5 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 4/5
Estimated time: 3-5 days
Newbie friendliness: 35/100

Issue type: Bug
Clarity: Mostly clear
Activity status: Stale
Tech stack: linux, ubuntu
Domain: backend, security

Research direction

Start from the native libgit2-e632535.so produced by the linux-x64 publish and the Ensure.cs, Proxy.cs, and Repository.cs stack-trace locations. Use strace or equivalent dependency inspection to confirm which SSL libraries are requested on Ubuntu 22.04. Done means LibGit2Sharp can connect to a remote with the system OpenSSL 3 libraries, without installing libssl1.1.

Written by the indexing model from the issue text.

Description

LibGit2Sharp.LibGit2SharpException: could not load ssl libraries
   at LibGit2Sharp.Core.Ensure.HandleError(Int32 result) in /_/LibGit2Sharp/Core/Ensure.cs:line 154
   at LibGit2Sharp.Core.Proxy.git_remote_connect(RemoteHandle remote, GitDirection direction, GitRemoteCallbacks& remoteCallbacks, GitProxyOptions& proxyOptions) in /_/LibGit2Sharp/Core/Proxy.cs:line 2172
   at LibGit2Sharp.Repository.ListRemoteReferences(String url, CredentialsHandler credentialsProvider) in /_/LibGit2Sharp/Repository.cs:line 689

Using a project with LibGit2Sharp built with dotnet publish --configuration Release --runtime linux-x64 --no-self-contained, resulting in libgit2-e632535.so, and running on .NET 6.0.415.

By using strace with some trial-and-error, it seems that LibGit2Sharp requires OpenSSL 1.1, but Ubuntu 22.04 (and higher, I assume) only ship with OpenSSL 3.

As a workaround, installing http://security.ubuntu.com/ubuntu/pool/main/o/openssl/libssl1.1_1.1.1f-1ubuntu2.20_amd64.deb fixes the issue and lets LibGit2Sharp run.

What needs to be done to make this work with OpenSSL 3?

Dominant language: PowerShell
Stars: 35
Forks: 74
PR merge metrics: No merged PRs in 30d

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