src/journal-remote/microhttpd-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 #include <microhttpd.h>
   5 #include <stdarg.h>
   6
   7 #include "macro.h"
   8
   9 /* Those defines are added when options are renamed. If the old names
  10  * are not '#define'd, then they are not deprecated yet and there are
  11  * enum elements with the same name. Hence let's check for the *old* name,
  12  * and define the new name by the value of the old name. */
  13
  14 /* Renamed in μhttpd 0.9.51 */
  15 #ifndef MHD_USE_PIPE_FOR_SHUTDOWN
  16 #  define MHD_USE_ITC MHD_USE_PIPE_FOR_SHUTDOWN
  17 #endif
  18
  19 /* Renamed in μhttpd 0.9.52 */
  20 #ifndef MHD_USE_EPOLL_LINUX_ONLY
  21 #  define MHD_USE_EPOLL MHD_USE_EPOLL_LINUX_ONLY
  22 #endif
  23
  24 /* Renamed in μhttpd 0.9.52 */
  25 #ifndef MHD_USE_SSL
  26 #  define MHD_USE_TLS MHD_USE_SSL
  27 #endif
  28
  29 /* Renamed in μhttpd 0.9.53 */
  30 #ifndef MHD_USE_POLL_INTERNALLY
  31 #  define MHD_USE_POLL_INTERNAL_THREAD MHD_USE_POLL_INTERNALLY
  32 #endif
  33
  34 /* Both the old and new names are defines, check for the new one. */
  35
  36 /* Compatibility with libmicrohttpd < 0.9.38 */
  37 #ifndef MHD_HTTP_NOT_ACCEPTABLE
  38 #  define MHD_HTTP_NOT_ACCEPTABLE MHD_HTTP_METHOD_NOT_ACCEPTABLE
  39 #endif
  40
  41 /* Renamed in μhttpd 0.9.74 (8c644fc1f4d498ea489add8d40a68f5d3e5899fa) */
  42 #ifndef MHD_HTTP_CONTENT_TOO_LARGE
  43 #  ifdef MHD_HTTP_PAYLOAD_TOO_LARGE
  44 #    define MHD_HTTP_CONTENT_TOO_LARGE MHD_HTTP_PAYLOAD_TOO_LARGE /* 0.9.53 or newer */
  45 #  else
  46 #    define MHD_HTTP_CONTENT_TOO_LARGE MHD_HTTP_REQUEST_ENTITY_TOO_LARGE
  47 #  endif
  48 #endif
  49
  50 #if MHD_VERSION < 0x00094203
  51 #  define MHD_create_response_from_fd_at_offset64 MHD_create_response_from_fd_at_offset
  52 #endif
  53
  54 #if MHD_VERSION >= 0x00097002
  55 #  define mhd_result enum MHD_Result
  56 #else
  57 #  define mhd_result int
  58 #endif
  59
  60 void microhttpd_logger(void *arg, const char *fmt, va_list ap) _printf_(2, 0);
  61
  62 /* respond_oom() must be usable with return, hence this form. */
  63 #define respond_oom(connection) log_oom(), mhd_respond_oom(connection)
  64
  65 int mhd_respondf(struct MHD_Connection *connection,
  66                  int error,
  67                  enum MHD_RequestTerminationCode code,
  68                  const char *format, ...) _printf_(4,5);
  69
  70 int mhd_respond(struct MHD_Connection *connection,
  71                 enum MHD_RequestTerminationCode code,
  72                 const char *message);
  73
  74 int mhd_respond_oom(struct MHD_Connection *connection);
  75
  76 int check_permissions(struct MHD_Connection *connection, int *code, char **hostname);
  77
  78 /* Set gnutls internal logging function to a callback which uses our
  79  * own logging framework.
  80  *
  81  * gnutls categories are additionally filtered by our internal log
  82  * level, so it should be set fairly high to capture all potentially
  83  * interesting events without overwhelming detail.
  84  */
  85 int setup_gnutls_logger(char **categories);
  86
  87 DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(struct MHD_Daemon*, MHD_stop_daemon, NULL);
  88 DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(struct MHD_Response*, MHD_destroy_response, NULL);