--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/curl/lib/imap.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,98 @@
+#ifndef HEADER_CURL_IMAP_H
+#define HEADER_CURL_IMAP_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 2009 - 2017, 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 "pingpong.h"
+#include "curl_sasl.h"
+
+/****************************************************************************
+ * IMAP unique setup
+ ***************************************************************************/
+typedef enum {
+  IMAP_STOP,         /* do nothing state, stops the state machine */
+  IMAP_SERVERGREET,  /* waiting for the initial greeting immediately after
+                        a connect */
+  IMAP_CAPABILITY,
+  IMAP_STARTTLS,
+  IMAP_UPGRADETLS,   /* asynchronously upgrade the connection to SSL/TLS
+                       (multi mode only) */
+  IMAP_AUTHENTICATE,
+  IMAP_LOGIN,
+  IMAP_LIST,
+  IMAP_SELECT,
+  IMAP_FETCH,
+  IMAP_FETCH_FINAL,
+  IMAP_APPEND,
+  IMAP_APPEND_FINAL,
+  IMAP_SEARCH,
+  IMAP_LOGOUT,
+  IMAP_LAST          /* never used */
+} imapstate;
+
+/* This IMAP struct is used in the Curl_easy. All IMAP data that is
+   connection-oriented must be in imap_conn to properly deal with the fact that
+   perhaps the Curl_easy is changed between the times the connection is
+   used. */
+struct IMAP {
+  curl_pp_transfer transfer;
+  char *mailbox;          /* Mailbox to select */
+  char *uidvalidity;      /* UIDVALIDITY to check in select */
+  char *uid;              /* Message UID to fetch */
+  char *mindex;           /* Index in mail box of mail to fetch */
+  char *section;          /* Message SECTION to fetch */
+  char *partial;          /* Message PARTIAL to fetch */
+  char *query;            /* Query to search for */
+  char *custom;           /* Custom request */
+  char *custom_params;    /* Parameters for the custom request */
+};
+
+/* imap_conn is used for struct connection-oriented data in the connectdata
+   struct */
+struct imap_conn {
+  struct pingpong pp;
+  imapstate state;            /* Always use imap.c:state() to change state! */
+  bool ssldone;               /* Is connect() over SSL done? */
+  bool preauth;               /* Is this connection PREAUTH? */
+  struct SASL sasl;           /* SASL-related parameters */
+  unsigned int preftype;      /* Preferred authentication type */
+  int cmdid;                  /* Last used command ID */
+  char resptag[5];            /* Response tag to wait for */
+  bool tls_supported;         /* StartTLS capability supported by server */
+  bool login_disabled;        /* LOGIN command disabled by server */
+  bool ir_supported;          /* Initial response supported by server */
+  char *mailbox;              /* The last selected mailbox */
+  char *mailbox_uidvalidity;  /* UIDVALIDITY parsed from select response */
+};
+
+extern const struct Curl_handler Curl_handler_imap;
+extern const struct Curl_handler Curl_handler_imaps;
+
+/* Authentication type flags */
+#define IMAP_TYPE_CLEARTEXT (1 << 0)
+#define IMAP_TYPE_SASL      (1 << 1)
+
+/* Authentication type values */
+#define IMAP_TYPE_NONE      0
+#define IMAP_TYPE_ANY       ~0U
+
+#endif /* HEADER_CURL_IMAP_H */