src/journal-remote/microhttpd-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 /***
   5   This file is part of systemd.
   6
   7   Copyright 2012 Zbigniew Jędrzejewski-Szmek
   8
   9   systemd is free software; you can redistribute it and/or modify it
  10   under the terms of the GNU Lesser General Public License as published by
  11   the Free Software Foundation; either version 2.1 of the License, or
  12   (at your option) any later version.
  13
  14   systemd is distributed in the hope that it will be useful, but
  15   WITHOUT ANY WARRANTY; without even the implied warranty of
  16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17   Lesser General Public License for more details.
  18
  19   You should have received a copy of the GNU Lesser General Public License
  20   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  21 ***/
  22
  23 #include <microhttpd.h>
  24 #include <stdarg.h>
  25
  26 #include "macro.h"
  27
  28 /* Those defines are added when options are renamed. If the old names
  29  * are not '#define'd, then they are not deprecated yet and there are
  30  * enum elements with the same name. Hence let's check for the *old* name,
  31  * and define the new name by the value of the old name. */
  32
  33 /* Renamed in µhttpd 0.9.51 */
  34 #ifndef MHD_USE_PIPE_FOR_SHUTDOWN
  35 #  define MHD_USE_ITC MHD_USE_PIPE_FOR_SHUTDOWN
  36 #endif
  37
  38 /* Renamed in µhttpd 0.9.52 */
  39 #ifndef MHD_USE_EPOLL_LINUX_ONLY
  40 #  define MHD_USE_EPOLL MHD_USE_EPOLL_LINUX_ONLY
  41 #endif
  42
  43 /* Renamed in µhttpd 0.9.52 */
  44 #ifndef MHD_USE_SSL
  45 #  define MHD_USE_TLS MHD_USE_SSL
  46 #endif
  47
  48 /* Renamed in µhttpd 0.9.53 */
  49 #ifndef MHD_USE_POLL_INTERNALLY
  50 #  define MHD_USE_POLL_INTERNAL_THREAD MHD_USE_POLL_INTERNALLY
  51 #endif
  52
  53 /* Both the old and new names are defines, check for the new one. */
  54
  55 /* Compatiblity with libmicrohttpd < 0.9.38 */
  56 #ifndef MHD_HTTP_NOT_ACCEPTABLE
  57 #  define MHD_HTTP_NOT_ACCEPTABLE MHD_HTTP_METHOD_NOT_ACCEPTABLE
  58 #endif
  59
  60 /* Renamed in µhttpd 0.9.53 */
  61 #ifndef MHD_HTTP_PAYLOAD_TOO_LARGE
  62 #  define MHD_HTTP_PAYLOAD_TOO_LARGE MHD_HTTP_REQUEST_ENTITY_TOO_LARGE
  63 #endif
  64
  65 #if MHD_VERSION < 0x00094203
  66 #  define MHD_create_response_from_fd_at_offset64 MHD_create_response_from_fd_at_offset
  67 #endif
  68
  69 void microhttpd_logger(void *arg, const char *fmt, va_list ap) _printf_(2, 0);
  70
  71 /* respond_oom() must be usable with return, hence this form. */
  72 #define respond_oom(connection) log_oom(), mhd_respond_oom(connection)
  73
  74 int mhd_respondf(struct MHD_Connection *connection,
  75                  int error,
  76                  unsigned code,
  77                  const char *format, ...) _printf_(4,5);
  78
  79 int mhd_respond(struct MHD_Connection *connection,
  80                 unsigned code,
  81                 const char *message);
  82
  83 int mhd_respond_oom(struct MHD_Connection *connection);
  84
  85 int check_permissions(struct MHD_Connection *connection, int *code, char **hostname);
  86
  87 /* Set gnutls internal logging function to a callback which uses our
  88  * own logging framework.
  89  *
  90  * gnutls categories are additionally filtered by our internal log
  91  * level, so it should be set fairly high to capture all potentially
  92  * interesting events without overwhelming detail.
  93  */
  94 int setup_gnutls_logger(char **categories);