[PATCH v6 8/9] connect: actively reject git:// urls with a user part

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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.

Signed-off-by: Mike Hommey <mh@xxxxxxxxxxxx>
---
 connect.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/connect.c b/connect.c
index dcaf32f..7360d57 100644
--- a/connect.c
+++ b/connect.c
@@ -733,6 +733,9 @@ 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 {
-- 
2.8.2.411.ga570dec.dirty

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