Subject: [PATCH] t5550: add netrc tests for http 401/403

From: Ashlesh Gawande <[email-masked]>
Date: Tue, 6 Jan 2026 15:04:51 +0530

Signed-off-by: Ashlesh Gawande <[email-masked]>
---
Sending netrc test patches as suggested in: https://lore.kernel.org/git/[email-masked]

 t/lib-httpd.sh             |  9 +++++++++
 t/lib-httpd/apache.conf    |  4 ++++
 t/lib-httpd/passwd         |  1 +
 t/t5550-http-fetch-dumb.sh | 25 +++++++++++++++++++++++++
 4 files changed, 39 insertions(+)

diff --git a/t/lib-httpd.sh b/t/lib-httpd.sh
index 5091db949b..cdc92b2916 100644
--- a/t/lib-httpd.sh
+++ b/t/lib-httpd.sh
@@ -325,6 +325,15 @@ set_askpass() {
 	echo "$2" >"$TRASH_DIRECTORY/askpass-pass"
 }
 
+set_netrc() {
+	# $HOME=$TRASH_DIRECTORY
+	echo "machine $1 login $2 password $3" > $TRASH_DIRECTORY/.netrc
+}
+
+clear_netrc() {
+	rm "$TRASH_DIRECTORY/.netrc"
+}
+
 expect_askpass() {
 	dest=$HTTPD_DEST${3+/$3}
 
diff --git a/t/lib-httpd/apache.conf b/t/lib-httpd/apache.conf
index e631ab0eb5..6b8c50a51a 100644
--- a/t/lib-httpd/apache.conf
+++ b/t/lib-httpd/apache.conf
@@ -238,6 +238,10 @@ SSLEngine On
 	AuthName "git-auth"
 	AuthUserFile passwd
 	Require valid-user
+
+	# return 403 for authenticated user: forbidden-user@host
+	RewriteCond "%{REMOTE_USER}" "^forbidden-user@host"
+	RewriteRule ^ - [F]
 </Location>
 
 <LocationMatch "^/auth-push/.*/git-receive-pack$">
diff --git a/t/lib-httpd/passwd b/t/lib-httpd/passwd
index d9c122f348..3bab7b6423 100644
--- a/t/lib-httpd/passwd
+++ b/t/lib-httpd/passwd
@@ -1 +1,2 @@
 user@host:$apr1$LGPmCZWj$9vxEwj5Z5GzQLBMxp3mCx1
+forbidden-user@host:$apr1$LGPmCZWj$9vxEwj5Z5GzQLBMxp3mCx1
diff --git a/t/t5550-http-fetch-dumb.sh b/t/t5550-http-fetch-dumb.sh
index ed0ad66fad..e002c7357d 100755
--- a/t/t5550-http-fetch-dumb.sh
+++ b/t/t5550-http-fetch-dumb.sh
@@ -102,6 +102,31 @@ test_expect_success 'cloning password-protected repository can fail' '
 	expect_askpass both wrong
 '
 
+test_expect_success 'using credentials from netrc to clone successfully' '
+	set_askpass wrong &&
+	set_netrc 127.0.0.1 user@host pass@host &&
+	git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-netrc &&
+	expect_askpass none
+'
+clear_netrc
+
+test_expect_success 'netrc unauthorized credentials (prompt after 401)' '
+	set_askpass wrong &&
+	set_netrc 127.0.0.1 user@host pass@wrong &&
+	test_must_fail git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-netrc-401 &&
+	expect_askpass both wrong
+'
+clear_netrc
+
+test_expect_success 'netrc authorized but forbidden credentials (fail on 403)' '
+	set_askpass wrong &&
+	set_netrc 127.0.0.1 forbidden-user@host pass@host &&
+	test_must_fail git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-netrc-403 2>err &&
+	expect_askpass none &&
+	grep "The requested URL returned error: 403" err
+'
+clear_netrc
+
 test_expect_success 'http auth can use user/pass in URL' '
 	set_askpass wrong &&
 	git clone "$HTTPD_URL_USER_PASS/auth/dumb/repo.git" clone-auth-none &&

base-commit: e0bfec3dfc356f7d808eb5ee546a54116b794397
-- 
2.43.0