Re: [PATCH v5 8/9] connect: actively reject git:// urls with a user part

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Mike Hommey <mh@xxxxxxxxxxxx> writes:

> Currently, urls of the for git://user@host don't work because user@host
> is not resolving at the DNS level, but we shouldn't be relying on it
> being an invalid host name, and actively reject it for containing a
> username in the first place.

Makes sense.  Connecting to host by stripping user@ would probably
give us a better behaviour, but this is a good first step even if we
are aiming for that endgame state.

>
> Signed-off-by: Mike Hommey <mh@xxxxxxxxxxxx>
> ---
>  connect.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/connect.c b/connect.c
> index df15ff3..fdd40b0 100644
> --- a/connect.c
> +++ b/connect.c
> @@ -716,6 +716,9 @@ struct child_process *git_connect(int fd[2], const char *url,
>  		 */
>  		struct strbuf target_host = STRBUF_INIT;
>  		char *override_vhost = getenv("GIT_OVERRIDE_VIRTUAL_HOST");
> +		if (user)
> +			die("user@host is not allowed in git:// urls");
> +
>  		if (override_vhost)
>  			strbuf_addstr(&target_host, override_vhost);
>  		else {
--
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