--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/curl/lib/vauth/vauth.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,215 @@
+#ifndef HEADER_CURL_VAUTH_H
+#define HEADER_CURL_VAUTH_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2014 - 2019, Steve Holme, <steve_holme@hotmail.com>.
+ *
+ * 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/curl.h>
+
+struct Curl_easy;
+
+#if !defined(CURL_DISABLE_CRYPTO_AUTH)
+struct digestdata;
+#endif
+
+#if defined(USE_NTLM)
+struct ntlmdata;
+#endif
+
+#if defined(USE_KERBEROS5)
+struct kerberos5data;
+#endif
+
+#if (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)) && defined(USE_SPNEGO)
+struct negotiatedata;
+#endif
+
+#if defined(USE_WINDOWS_SSPI)
+#define GSS_ERROR(status) (status & 0x80000000)
+#endif
+
+/* This is used to build a SPN string */
+#if !defined(USE_WINDOWS_SSPI)
+char *Curl_auth_build_spn(const char *service, const char *host,
+                          const char *realm);
+#else
+TCHAR *Curl_auth_build_spn(const char *service, const char *host,
+                           const char *realm);
+#endif
+
+/* This is used to test if the user contains a Windows domain name */
+bool Curl_auth_user_contains_domain(const char *user);
+
+/* This is used to generate a base64 encoded PLAIN cleartext message */
+CURLcode Curl_auth_create_plain_message(struct Curl_easy *data,
+                                        const char *authzid,
+                                        const char *authcid,
+                                        const char *passwd,
+                                        char **outptr, size_t *outlen);
+
+/* This is used to generate a base64 encoded LOGIN cleartext message */
+CURLcode Curl_auth_create_login_message(struct Curl_easy *data,
+                                        const char *valuep, char **outptr,
+                                        size_t *outlen);
+
+/* This is used to generate a base64 encoded EXTERNAL cleartext message */
+CURLcode Curl_auth_create_external_message(struct Curl_easy *data,
+                                           const char *user, char **outptr,
+                                           size_t *outlen);
+
+#if !defined(CURL_DISABLE_CRYPTO_AUTH)
+/* This is used to decode a CRAM-MD5 challenge message */
+CURLcode Curl_auth_decode_cram_md5_message(const char *chlg64, char **outptr,
+                                           size_t *outlen);
+
+/* This is used to generate a CRAM-MD5 response message */
+CURLcode Curl_auth_create_cram_md5_message(struct Curl_easy *data,
+                                           const char *chlg,
+                                           const char *userp,
+                                           const char *passwdp,
+                                           char **outptr, size_t *outlen);
+
+/* This is used to evaluate if DIGEST is supported */
+bool Curl_auth_is_digest_supported(void);
+
+/* This is used to generate a base64 encoded DIGEST-MD5 response message */
+CURLcode Curl_auth_create_digest_md5_message(struct Curl_easy *data,
+                                             const char *chlg64,
+                                             const char *userp,
+                                             const char *passwdp,
+                                             const char *service,
+                                             char **outptr, size_t *outlen);
+
+/* This is used to decode a HTTP DIGEST challenge message */
+CURLcode Curl_auth_decode_digest_http_message(const char *chlg,
+                                              struct digestdata *digest);
+
+/* This is used to generate a HTTP DIGEST response message */
+CURLcode Curl_auth_create_digest_http_message(struct Curl_easy *data,
+                                              const char *userp,
+                                              const char *passwdp,
+                                              const unsigned char *request,
+                                              const unsigned char *uri,
+                                              struct digestdata *digest,
+                                              char **outptr, size_t *outlen);
+
+/* This is used to clean up the digest specific data */
+void Curl_auth_digest_cleanup(struct digestdata *digest);
+#endif /* !CURL_DISABLE_CRYPTO_AUTH */
+
+#if defined(USE_NTLM)
+/* This is used to evaluate if NTLM is supported */
+bool Curl_auth_is_ntlm_supported(void);
+
+/* This is used to generate a base64 encoded NTLM type-1 message */
+CURLcode Curl_auth_create_ntlm_type1_message(struct Curl_easy *data,
+                                             const char *userp,
+                                             const char *passwdp,
+                                             const char *service,
+                                             const char *host,
+                                             struct ntlmdata *ntlm,
+                                             char **outptr,
+                                             size_t *outlen);
+
+/* This is used to decode a base64 encoded NTLM type-2 message */
+CURLcode Curl_auth_decode_ntlm_type2_message(struct Curl_easy *data,
+                                             const char *type2msg,
+                                             struct ntlmdata *ntlm);
+
+/* This is used to generate a base64 encoded NTLM type-3 message */
+CURLcode Curl_auth_create_ntlm_type3_message(struct Curl_easy *data,
+                                             const char *userp,
+                                             const char *passwdp,
+                                             struct ntlmdata *ntlm,
+                                             char **outptr, size_t *outlen);
+
+/* This is used to clean up the NTLM specific data */
+void Curl_auth_cleanup_ntlm(struct ntlmdata *ntlm);
+#endif /* USE_NTLM */
+
+/* This is used to generate a base64 encoded OAuth 2.0 message */
+CURLcode Curl_auth_create_oauth_bearer_message(struct Curl_easy *data,
+                                               const char *user,
+                                               const char *host,
+                                               const long port,
+                                               const char *bearer,
+                                               char **outptr, size_t *outlen);
+
+/* This is used to generate a base64 encoded XOAuth 2.0 message */
+CURLcode Curl_auth_create_xoauth_bearer_message(struct Curl_easy *data,
+                                                const char *user,
+                                                const char *bearer,
+                                                char **outptr, size_t *outlen);
+
+#if defined(USE_KERBEROS5)
+/* This is used to evaluate if GSSAPI (Kerberos V5) is supported */
+bool Curl_auth_is_gssapi_supported(void);
+
+/* This is used to generate a base64 encoded GSSAPI (Kerberos V5) user token
+   message */
+CURLcode Curl_auth_create_gssapi_user_message(struct Curl_easy *data,
+                                              const char *userp,
+                                              const char *passwdp,
+                                              const char *service,
+                                              const char *host,
+                                              const bool mutual,
+                                              const char *chlg64,
+                                              struct kerberos5data *krb5,
+                                              char **outptr, size_t *outlen);
+
+/* This is used to generate a base64 encoded GSSAPI (Kerberos V5) security
+   token message */
+CURLcode Curl_auth_create_gssapi_security_message(struct Curl_easy *data,
+                                                  const char *input,
+                                                  struct kerberos5data *krb5,
+                                                  char **outptr,
+                                                  size_t *outlen);
+
+/* This is used to clean up the GSSAPI specific data */
+void Curl_auth_cleanup_gssapi(struct kerberos5data *krb5);
+#endif /* USE_KERBEROS5 */
+
+#if defined(USE_SPNEGO)
+/* This is used to evaluate if SPNEGO (Negotiate) is supported */
+bool Curl_auth_is_spnego_supported(void);
+
+/* This is used to decode a base64 encoded SPNEGO (Negotiate) challenge
+   message */
+CURLcode Curl_auth_decode_spnego_message(struct Curl_easy *data,
+                                         const char *user,
+                                         const char *passwood,
+                                         const char *service,
+                                         const char *host,
+                                         const char *chlg64,
+                                         struct negotiatedata *nego);
+
+/* This is used to generate a base64 encoded SPNEGO (Negotiate) response
+   message */
+CURLcode Curl_auth_create_spnego_message(struct Curl_easy *data,
+                                         struct negotiatedata *nego,
+                                         char **outptr, size_t *outlen);
+
+/* This is used to clean up the SPNEGO specifiec data */
+void Curl_auth_cleanup_spnego(struct negotiatedata *nego);
+
+#endif /* USE_SPNEGO */
+
+#endif /* HEADER_CURL_VAUTH_H */