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
  10 #include <microhttpd.h>
  11 #include <stdarg.h>
  12
  13 #include "macro.h"
  14
  15 /* Those defines are added when options are renamed. If the old names
  16  * are not '#define'd, then they are not deprecated yet and there are
  17  * enum elements with the same name. Hence let's check for the *old* name,
  18  * and define the new name by the value of the old name. */
  19
  20 /* Renamed in µhttpd 0.9.51 */
  21 #ifndef MHD_USE_PIPE_FOR_SHUTDOWN
  22 #  define MHD_USE_ITC MHD_USE_PIPE_FOR_SHUTDOWN
  23 #endif
  24
  25 /* Renamed in µhttpd 0.9.52 */
  26 #ifndef MHD_USE_EPOLL_LINUX_ONLY
  27 #  define MHD_USE_EPOLL MHD_USE_EPOLL_LINUX_ONLY
  28 #endif
  29
  30 /* Renamed in µhttpd 0.9.52 */
  31 #ifndef MHD_USE_SSL
  32 #  define MHD_USE_TLS MHD_USE_SSL
  33 #endif
  34
  35 /* Renamed in µhttpd 0.9.53 */
  36 #ifndef MHD_USE_POLL_INTERNALLY
  37 #  define MHD_USE_POLL_INTERNAL_THREAD MHD_USE_POLL_INTERNALLY
  38 #endif
  39
  40 /* Both the old and new names are defines, check for the new one. */
  41
  42 /* Compatiblity with libmicrohttpd < 0.9.38 */
  43 #ifndef MHD_HTTP_NOT_ACCEPTABLE
  44 #  define MHD_HTTP_NOT_ACCEPTABLE MHD_HTTP_METHOD_NOT_ACCEPTABLE
  45 #endif
  46
  47 /* Renamed in µhttpd 0.9.53 */
  48 #ifndef MHD_HTTP_PAYLOAD_TOO_LARGE
  49 #  define MHD_HTTP_PAYLOAD_TOO_LARGE MHD_HTTP_REQUEST_ENTITY_TOO_LARGE
  50 #endif
  51
  52 #if MHD_VERSION < 0x00094203
  53 #  define MHD_create_response_from_fd_at_offset64 MHD_create_response_from_fd_at_offset
  54 #endif
  55
  56 void microhttpd_logger(void *arg, const char *fmt, va_list ap) _printf_(2, 0);
  57
  58 /* respond_oom() must be usable with return, hence this form. */
  59 #define respond_oom(connection) log_oom(), mhd_respond_oom(connection)
  60
  61 int mhd_respondf(struct MHD_Connection *connection,
  62                  int error,
  63                  unsigned code,
  64                  const char *format, ...) _printf_(4,5);
  65
  66 int mhd_respond(struct MHD_Connection *connection,
  67                 unsigned code,
  68                 const char *message);
  69
  70 int mhd_respond_oom(struct MHD_Connection *connection);
  71
  72 int check_permissions(struct MHD_Connection *connection, int *code, char **hostname);
  73
  74 /* Set gnutls internal logging function to a callback which uses our
  75  * own logging framework.
  76  *
  77  * gnutls categories are additionally filtered by our internal log
  78  * level, so it should be set fairly high to capture all potentially
  79  * interesting events without overwhelming detail.
  80  */
  81 int setup_gnutls_logger(char **categories);