René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"On OS X powershell loads the system libcurl which fails custom SSL certificate validation","articleBody":"## Steps to reproduce\n\nInstall powershell\nRun any code/cmdlet that tries to validate ssl certificates through HttpClientHandler.ServerCertificateCustomValidationCallback\n## Expected behavior\n\nCertificates are validated\n## Actual behavior\n\nError:\n \"One or more errors occurred. (The libcurl library in use (7.43.0) and its SSL backend (\\\"SecureTransport\\\") do not support custom handling of certificates. A libcurl built with OpenSSL is required.)\" \n## Environment data\n\n``` powershell\n\u003e $PSVersionTable\n\nName                           Value                                           \n----                           -----                                           \nPSVersion                      6.0.0-alpha                                     \nPSEdition                      Core                                            \nPSCompatibleVersions           {1.0, 2.0, 3.0, 4.0...}                         \nBuildVersion                   3.0.0.0                                         \nGitCommitId                    v6.0.0-alpha.9                                  \nCLRVersion                                                                     \nWSManStackVersion              3.0                                             \nPSRemotingProtocolVersion      2.3                                             \nSerializationVersion           1.1.0.1 \n\n```\n\nThe output of\n\n```\notool -L /usr/local/microsoft/powershell/6.0.0-alpha.9/System.Net.Http.Native.dylib\n/usr/local/microsoft/powershell/6.0.0-alpha.9/System.Net.Http.Native.dylib:\n    @rpath/System.Net.Http.Native.dylib (compatibility version 0.0.0, current version 0.0.0)\n    /usr/lib/libcurl.4.dylib (compatibility version 7.0.0, current version 8.0.0)\n    /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 120.0.0)\n    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1213.0.0)\n```\n\nNote the path where libcurl is being loaded from.\n\nIf I manually patch it by running:\n\n```\nbrew install curl --with-openssl\nsudo install_name_tool -change /usr/lib/libcurl.4.dylib /usr/local/opt/curl/lib/libcurl.4.dylib /usr/local/microsoft/powershell/6.0.0-alpha.9/System.Net.Http.Native.dylib\n```\n\nThen it is ok.\n\nThis bug is more for corefx, but until it is fixed there it would be good to have some workaround for powershell.\n\ncc @ffeldhaus\n","author":{"url":"https://github.com/atanasa","@type":"Person","name":"atanasa"},"datePublished":"2016-09-08T17:21:34.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":5},"url":"https://github.com/2211/PowerShell/issues/2211"}