Merge branch 'fix-static-build' into 'main'

sshd: exclude gssapi when building without cgo

See merge request https://gitlab.com/gitlab-org/gitlab-shell/-/merge_requests/720

Merged-by: Igor Drozdov <[email protected]>
Approved-by: Vasilii Iakliushin <[email protected]>
Approved-by: Igor Drozdov <[email protected]>
Reviewed-by: Vasilii Iakliushin <[email protected]>
Co-authored-by: Lorenz Brun <[email protected]>

Author: Igor Drozdov

internal/sshd/gssapi.go

@@ -1,3 +1,5 @@
+//go:build cgo
+
 package sshd
 
 import (

internal/sshd/gssapi_test.go

@@ -1,3 +1,5 @@
+//go:build cgo
+
 package sshd
 
 import (

internal/sshd/gssapi_unsupported.go

@@ -0,0 +1,34 @@
+//go:build !cgo
+
+package sshd
+
+import (
+	"errors"
+
+	"gitlab.com/gitlab-org/gitlab-shell/v14/internal/config"
+
+	"gitlab.com/gitlab-org/labkit/log"
+)
+
+func LoadGSSAPILib(c *config.GSSAPIConfig) error {
+	if c.Enabled {
+		log.New().Error("gssapi-with-mic disabled, built without CGO")
+		c.Enabled = false
+	}
+	return nil
+}
+
+type OSGSSAPIServer struct {
+	ServicePrincipalName string
+}
+
+func (*OSGSSAPIServer) AcceptSecContext([]byte) ([]byte, string, bool, error) {
+	return []byte{}, "", false, errors.New("gssapi is unsupported")
+}
+
+func (*OSGSSAPIServer) VerifyMIC([]byte, []byte) error {
+	return errors.New("gssapi is unsupported")
+}
+func (*OSGSSAPIServer) DeleteSecContext() error {
+	return errors.New("gssapi is unsupported")
+}