From c9dee5d45bd02a07cdcba795aeb5ee4093ea5e06 Mon Sep 17 00:00:00 2001
From: kenichi-mashiyama <274147049+kenichi-mashiyama@users.noreply.github.com>
Date: Thu, 20 Aug 2026 18:15:46 +0900
Subject: [PATCH] Add h1-case-adjust-bogus-server option

---
 apis/proxy/v1alpha1/instance_types.go         |  7 +++
 apis/proxy/v1alpha1/instance_types_test.go    | 43 +++++++++++++++++++
 docs/api-reference.md                         |  1 +
 .../crds/proxy.haproxy.com_instances.yaml     |  4 ++
 4 files changed, 55 insertions(+)

diff --git a/apis/proxy/v1alpha1/instance_types.go b/apis/proxy/v1alpha1/instance_types.go
index ad58e00..51e6ea0 100644
--- a/apis/proxy/v1alpha1/instance_types.go
+++ b/apis/proxy/v1alpha1/instance_types.go
@@ -668,6 +668,9 @@ type DefaultsConfiguration struct {
 	// Options configures additional HAProxy defaults options.
 	// +optional
 	Options *DefaultsOptions `json:"options,omitempty"`
+	// H1CaseAdjustBogusServer enables h1-case-adjust-bogus-server in the defaults section.
+	// +optional
+	H1CaseAdjustBogusServer bool `json:"h1CaseAdjustBogusServer,omitempty"`
 	// AdditionalParameters can be used to specify any further configuration statements which are not covered in this section explicitly.
 	// +optional
 	AdditionalParameters string `json:"additionalParameters,omitempty"`
@@ -751,6 +754,10 @@ func (d *DefaultsConfiguration) Model() (models.Defaults, error) {
 		defaults.Redispatch = &models.Redispatch{Enabled: ptr.To(enabled)}
 	}
 
+	if d.H1CaseAdjustBogusServer {
+		defaults.H1CaseAdjustBogusServer = models.DefaultsBaseH1CaseAdjustBogusServerEnabled
+	}
+
 	return defaults, defaults.Validate(strfmt.Default)
 }
 
diff --git a/apis/proxy/v1alpha1/instance_types_test.go b/apis/proxy/v1alpha1/instance_types_test.go
index 52a4d68..52be392 100644
--- a/apis/proxy/v1alpha1/instance_types_test.go
+++ b/apis/proxy/v1alpha1/instance_types_test.go
@@ -112,3 +112,46 @@ func TestDefaultsConfigurationAddToParserWithMaxconn(t *testing.T) {
 		t.Fatalf("expected generated config to contain maxconn 2000, got:\n%s", p.String())
 	}
 }
+
+func TestDefaultsConfiguration_AddToParser_H1CaseAdjustBogusServerEnabled(t *testing.T) {
+	p, err := parser.New()
+	if err != nil {
+		t.Fatalf("failed to create parser: %v", err)
+	}
+
+	d := &DefaultsConfiguration{
+		Mode:                    "http",
+		Timeouts:                map[string]metav1.Duration{},
+		H1CaseAdjustBogusServer: true,
+	}
+
+	if err := d.AddToParser(p); err != nil {
+		t.Fatalf("failed to add defaults to parser: %v", err)
+	}
+
+	cfg := p.String()
+	if !strings.Contains(cfg, "option h1-case-adjust-bogus-server") {
+		t.Fatalf("expected h1-case-adjust-bogus-server option in defaults section, got:\n%s", cfg)
+	}
+}
+
+func TestDefaultsConfiguration_AddToParser_H1CaseAdjustBogusServerDisabledByDefault(t *testing.T) {
+	p, err := parser.New()
+	if err != nil {
+		t.Fatalf("failed to create parser: %v", err)
+	}
+
+	d := &DefaultsConfiguration{
+		Mode:     "http",
+		Timeouts: map[string]metav1.Duration{},
+	}
+
+	if err := d.AddToParser(p); err != nil {
+		t.Fatalf("failed to add defaults to parser: %v", err)
+	}
+
+	cfg := p.String()
+	if strings.Contains(cfg, "option h1-case-adjust-bogus-server") {
+		t.Fatalf("did not expect h1-case-adjust-bogus-server option in defaults section, got:\n%s", cfg)
+	}
+}
diff --git a/docs/api-reference.md b/docs/api-reference.md
index 3439de5..b70edbb 100644
--- a/docs/api-reference.md
+++ b/docs/api-reference.md
@@ -1266,6 +1266,7 @@ _Appears in:_
 | `retries` _integer_ | Retries sets the maximum number of retries on a connection failure. |  | Minimum: 1 <br />Optional: \{\} <br /> |
 | `logging` _[DefaultsLoggingConfiguration](#defaultsloggingconfiguration)_ | Logging is used to configure default logging for all proxies. |  | Optional: \{\} <br /> |
 | `options` _[DefaultsOptions](#defaultsoptions)_ | Options configures additional HAProxy defaults options. |  | Optional: \{\} <br /> |
+| `h1CaseAdjustBogusServer` _boolean_ | H1CaseAdjustBogusServer enables h1-case-adjust-bogus-server in the defaults section. |  | Optional: \{\} <br /> |
 | `additionalParameters` _string_ | AdditionalParameters can be used to specify any further configuration statements which are not covered in this section explicitly. |  | Optional: \{\} <br /> |
 
 
diff --git a/helm/haproxy-operator/crds/proxy.haproxy.com_instances.yaml b/helm/haproxy-operator/crds/proxy.haproxy.com_instances.yaml
index 03fc303..6523258 100644
--- a/helm/haproxy-operator/crds/proxy.haproxy.com_instances.yaml
+++ b/helm/haproxy-operator/crds/proxy.haproxy.com_instances.yaml
@@ -156,6 +156,10 @@ spec:
                               in defaults.
                             type: boolean
                         type: object
+                      h1CaseAdjustBogusServer:
+                        description: H1CaseAdjustBogusServer enables h1-case-adjust-bogus-server
+                          in the defaults section.
+                        type: boolean
                       mode:
                         default: http
                         description: Mode can be either 'tcp' or 'http'. In tcp mode