--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/curl/lib/curl_sec.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,51 @@
+#ifndef HEADER_CURL_SECURITY_H
+#define HEADER_CURL_SECURITY_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, 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.
+ *
+ ***************************************************************************/
+
+struct Curl_sec_client_mech {
+  const char *name;
+  size_t size;
+  int (*init)(void *);
+  int (*auth)(void *, struct connectdata *);
+  void (*end)(void *);
+  int (*check_prot)(void *, int);
+  int (*overhead)(void *, int, int);
+  int (*encode)(void *, const void *, int, int, void **);
+  int (*decode)(void *, void *, int, int, struct connectdata *);
+};
+
+#define AUTH_OK         0
+#define AUTH_CONTINUE   1
+#define AUTH_ERROR      2
+
+#ifdef HAVE_GSSAPI
+int Curl_sec_read_msg(struct connectdata *conn, char *,
+                      enum protection_level);
+void Curl_sec_end(struct connectdata *);
+CURLcode Curl_sec_login(struct connectdata *);
+int Curl_sec_request_prot(struct connectdata *conn, const char *level);
+
+extern struct Curl_sec_client_mech Curl_krb5_client_mech;
+#endif
+
+#endif /* HEADER_CURL_SECURITY_H */