Re: [BUG 2.41.0] t/lib-httpd/apache.conf incompatible with RHEL/CentOS 7
On Thu, May 18, 2023 at 02:45:32PM -0400, Jeff King wrote:
Show 5 quoted lines
> 2. We do some kind of version check in enable_cgipassauth(),
> and skip tests manually if it doesn't pass.
> [...]
> Obviously (1) and (3) are the least work for us upstream, but I don't
> think (2) would be too hard to do.
It indeed was pretty easy. So here's a patch. I'm adding Junio to the cc before any review, as this is a change in the v2.41 cycle. So I think we'd want to address this before the release.
-- >8 --
Subject: [PATCH] t/lib-httpd: make CGIPassAuth support conditional
Commit 988aad99b4 (t5563: add tests for basic and anoymous HTTP access, 2023-02-27) added tests that require Apache to support the CGIPassAuth directive, which was added in Apache 2.4.13. This is fairly old (~8 years), but recent enough that we still encounter it in the wild (e.g., RHEL/CentOS 7, which is not EOL until June 2024).
We can live with skipping the new tests on such a platform. But unfortunately, since the directive is used unconditionally in our apache.conf, it means the web server fails to start entirely, and we cannot run other HTTP tests at all (e.g., the basic ones in t5551).
We can fix that by making the config conditional, and only triggering it for t5563. That solves the problem for t5551 (which then ignores the directive entirely). For t5563, we'd see apache complain in start_httpd; with the default setting of GIT_TEST_HTTPD, we'd then skip the whole script.
But that leaves one small problem: people may set GIT_TEST_HTTPD=1 explicitly, which instructs the tests to fail (rather than skip) when we can't start the webserver (to avoid accidentally missing some tests).
This could be worked around by having the user manually set GIT_SKIP_TESTS on a platform with an older Apache. But we can be a bit friendlier by doing the version check ourselves and setting an appropriate prereq. We'll use the (lack of) prereq to then skip the rest of t5563. In theory we could use the prereq to skip individual tests, but in practice this whole script depends on it.
Reported-by: Todd Zullinger <tmz@pobox.com>
Signed-off-by: Jeff King <peff@peff.net>
---
I tested this manually by mutilating the config directive to "FooBar",
which would fail even on recent versions. And then tweaking the "13"
in the version check up to "60" to make sure it properly skips even with
recent Apache. But testing on real CentOS 7 would be very much
appreciated.
t/lib-httpd.sh | 14 ++++++++++++++
t/lib-httpd/apache.conf | 2 ++
t/t5563-simple-http-auth.sh | 6 ++++++
3 files changed, 22 insertions(+)
diff --git a/t/lib-httpd.sh b/t/lib-httpd.sh
index 6805229dcb..2fb1b2ae56 100644
--- a/t/lib-httpd.sh
+++ b/t/lib-httpd.sh
@@ -191,6 +191,20 @@ enable_http2 () {
test_set_prereq HTTP2
}
+enable_cgipassauth () {
+ # We are looking for 2.4.13 or more recent. Since we only support
+ # 2.4 and up, no need to check for older major/minor.
+ if test "$HTTPD_VERSION_MAJOR" = 2 &&
+ test "$HTTPD_VERSION_MINOR" = 4 &&
+ test "$(echo $HTTPD_VERSION | cut -d. -f3)" -lt 13
+ then
+ echo >&4 "apache $HTTPD_VERSION too old for CGIPassAuth"
+ return
+ fi
+ HTTPD_PARA="$HTTPD_PARA -DUSE_CGIPASSAUTH"
+ test_set_prereq CGIPASSAUTH
+}
+
start_httpd() {
prepare_httpd >&3 2>&4
diff --git a/t/lib-httpd/apache.conf b/t/lib-httpd/apache.conf
index 9e6892970d..a22d138605 100644
--- a/t/lib-httpd/apache.conf
+++ b/t/lib-httpd/apache.conf
@@ -146,7 +146,9 @@ SetEnv PERL_PATH ${PERL_PATH}
<LocationMatch /custom_auth/>
SetEnv GIT_EXEC_PATH ${GIT_EXEC_PATH}
SetEnv GIT_HTTP_EXPORT_ALL
+ <IfDefine USE_CGIPASSAUTH>
CGIPassAuth on
+ </IfDefine>
</LocationMatch>
ScriptAlias /smart/incomplete_length/git-upload-pack incomplete-length-upload-pack-v2-http.sh/
ScriptAlias /smart/incomplete_body/git-upload-pack incomplete-body-upload-pack-v2-http.sh/
diff --git a/t/t5563-simple-http-auth.sh b/t/t5563-simple-http-auth.sh
index f45a43b4b5..ab8a721ccc 100755
--- a/t/t5563-simple-http-auth.sh
+++ b/t/t5563-simple-http-auth.sh
@@ -5,6 +5,12 @@ test_description='test http auth header and credential helper interop'
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-httpd.sh
+enable_cgipassauth
+if ! test_have_prereq CGIPASSAUTH
+then
+ skip_all="no CGIPassAuth support"
+ test_done
+fi
start_httpd
test_expect_success 'setup_credential_helper' '
--
2.41.0.rc0.359.g22664e20e7
Todd Zullinger
