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cmd/go/internal/get: isSecure does not parse Git repository URIs correctly #23855

depp opened this Issue Feb 15, 2018 · 3 comments


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depp commented Feb 15, 2018

go version go1.9.4 darwin/amd64

When Git parses a URL, it checks to see that the : is followed by a //, otherwise it considers the URL to be have [user@]host:path syntax. This is documented in the Git URLs documentation page. However, go get cannot understand the scp-like syntax, this behavior is incorrect.

  • See is_url in url.c:19 which shows the correct behavior, called from transport_get at transport.c:828
  • See isSecure in vcs.go:56 which shows the incorrect behavior

Here's how to reproduce:

cd $GOPATH/src
mkdir gogetbug
cd gogetbug
git init
git remote add origin git:gogetbug.git
echo $'package main\nfunc main() {}' > main.go
go get -u

The resulting error message is:

package gogetbug: cannot download, git:gogetbug.git uses insecure protocol

This is incorrect, the actual protocol here is SSH and go get is parsing it incorrectly. The workaround is to not have a Git server named git, but isn't that the most sensible name for your Git server?


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fraenkel commented Jun 23, 2018

While it uses SSH, it does not provide any encryption ( So does it still qualify as being secure?


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depp commented Jun 23, 2018

@fraenkel I am unsure what you mean by "it does not provide any encryption" . SSH provides both authentication and encryption. The only problem here is that the URL is parsed incorrectly... it is parsed as a Git protocol URL, which is incorrect, because it is actually an SSH URL.


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fraenkel commented Jun 23, 2018

I see what you mean. You are talking about when there is no scheme. Sorry for the confusion.

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