--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/curl/lib/curl_gssapi.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,61 @@
+#ifndef HEADER_CURL_GSSAPI_H
+#define HEADER_CURL_GSSAPI_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2011 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+#include "urldata.h"
+
+#ifdef HAVE_GSSAPI
+extern gss_OID_desc Curl_spnego_mech_oid;
+extern gss_OID_desc Curl_krb5_mech_oid;
+
+/* Common method for using GSS-API */
+OM_uint32 Curl_gss_init_sec_context(
+    struct Curl_easy *data,
+    OM_uint32 *minor_status,
+    gss_ctx_id_t *context,
+    gss_name_t target_name,
+    gss_OID mech_type,
+    gss_channel_bindings_t input_chan_bindings,
+    gss_buffer_t input_token,
+    gss_buffer_t output_token,
+    const bool mutual_auth,
+    OM_uint32 *ret_flags);
+
+/* Helper to log a GSS-API error status */
+void Curl_gss_log_error(struct Curl_easy *data, const char *prefix,
+                        OM_uint32 major, OM_uint32 minor);
+
+/* Provide some definitions missing in old headers */
+#ifdef HAVE_OLD_GSSMIT
+#define GSS_C_NT_HOSTBASED_SERVICE gss_nt_service_name
+#define NCOMPAT 1
+#endif
+
+/* Define our privacy and integrity protection values */
+#define GSSAUTH_P_NONE      1
+#define GSSAUTH_P_INTEGRITY 2
+#define GSSAUTH_P_PRIVACY   4
+
+#endif /* HAVE_GSSAPI */
+#endif /* HEADER_CURL_GSSAPI_H */