Leon Busch-George 7a8a4f5432 Prefer native parser for SSH public key parsing (#23798) ... Without this patch, the setting SSH.StartBuiltinServer decides whether the native (Go) implementation is used rather than calling 'ssh-keygen'. It's possible for 'using ssh-keygen' and 'using the built-in server' to be independent. In fact, the gitea rootless container doesn't ship ssh-keygen and can be configured to use the host's SSH server - which will cause the public key parsing mechanism to break. This commit changes the decision to be based on SSH.KeygenPath instead. Any existing configurations with a custom KeygenPath set will continue to function. The new default value of '' selects the native version. The downside of this approach is that anyone who has relying on plain 'ssh-keygen' to have special properties will now be using the native version instead. I assume the exec-variant is only there because /x/crypto/ssh didn't support ssh-ed25519 until 2016. I don't see any other reason for using it so it might be an acceptable risk. Fixes #23363 EDIT: this message was garbled when I tried to get the commit description back in.. Trying to reconstruct it: ## ⚠️ BREAKING ⚠️ Users who don't have SSH.KeygenPath explicitly set and rely on the ssh-keygen binary need to set SSH.KeygenPath to 'ssh-keygen' in order to be able to continue using it for public key parsing. There was something else but I can't remember at the moment. EDIT2: It was about `make test` and `make lint`. Can't get them to run. To reproduce the issue, I installed `golang` in `docker.io/node:16` and got: ``` ... go: mvdan.cc/xurls/v2@v2.4.0: unknown revision mvdan.cc/xurls/v2.4.0 go: gotest.tools/v3@v3.4.0: unknown revision gotest.tools/v3.4.0 ... go: gotest.tools/v3@v3.0.3: unknown revision gotest.tools/v3.0.3 ... go: error loading module requirements ``` Signed-off-by: Leon M. Busch-George <leon@georgemail.eu>		2023-04-11 14:34:28 +08:00
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conf	Prefer native parser for SSH public key parsing (#23798)	2023-04-11 14:34:28 +08:00