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git allows using .netrc file to supply credentials for HTTP auth.
Three test cases are added in this patch to provide missing coverage
when cloning over HTTP using .netrc file:
- First test case checks that the git clone is successful when credentials
are provided via .netrc file
- Second test case checks that the git clone fails when the .netrc file
provides invalid credentials. The HTTP server is expected to return
401 Unauthorized in such a case. The test checks that the user is
provided with a prompt for username/password on 401 to provide
the valid ones.
- Third test case checks that the git clone fails when the .netrc file
provides credentials that are valid but do not have permission for
this user. For example one may have multiple tokens in GitHub
and uses the one which was not authorized for cloning this repo.
In such a case the HTTP server returns 403 Forbidden.
For this test, the apache.conf is modified to return a 403
on finding a forbidden-user. No prompt for username/password is
expected after the 403 (unlike 401). This is because prompting may wipe
out existing credentials or conflict with custom credential helpers.
Signed-off-by: Ashlesh Gawande <git@ashlesh.me>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When setting up httpd for our tests, we also install a passwd and
proxy-passwd file that contain the test user's credentials. These
credentials currently use crypt(3) as the password encryption schema.
This schema can be considered deprecated nowadays as it is not safe
anymore. Quoting Apache httpd's documentation [1]:
> Unix only. Uses the traditional Unix crypt(3) function with a
> randomly-generated 32-bit salt (only 12 bits used) and the first 8
> characters of the password. Insecure.
This is starting to cause issues in modern Linux distributions. glibc
has deprecated its libcrypt library that used to provide crypt(3) in
favor of the libxcrypt library. This newer replacement provides a
compile time switch to disable insecure password encryption schemata,
which causes crypt(3) to always return `EINVAL`. The end result is that
httpd tests that exercise authentication will fail on distros that use
libxcrypt without these insecure encryption schematas.
Regenerate the passwd files to instead use the default password
encryption schema, which is md5. While it feels kind of funny that an
MD5-based encryption schema should be more secure than anything else, it
is the current default and supported by all platforms. Furthermore, it
really doesn't matter all that much given that these files are only used
for testing purposes anyway.
[1]: https://httpd.apache.org/docs/2.4/misc/password_encryptions.html
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The httpd server we set up to test git's http client code
knows about a single account, in which both the username and
password are "user@host" (the unusual use of the "@" here is
to verify that we handle the character correctly when URL
escaped).
This means that we may miss a certain class of errors in
which the username and password are mixed up internally by
git. We can make our tests more robust by having distinct
values for the username and password.
In addition to tweaking the server passwd file and the
client URL, we must teach the "askpass" harness to accept
multiple values. As a bonus, this makes the setup of some
tests more obvious; when we are expecting git to ask
only about the password, we can seed the username askpass
response with a bogus value.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a test for HTTP authentication and proper percent-decoding of the
userinfo (username and password) part of the URL.
Signed-off-by: Gabriel Corona <gabriel.corona@enst-bretagne.fr>
Acked-by: Tay Ray Chuan <rctay89@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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