src/journal-remote/microhttpd-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   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 /* Compatiblity 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 0.9.53 */
  42 #ifndef MHD_HTTP_PAYLOAD_TOO_LARGE
  43 #  define MHD_HTTP_PAYLOAD_TOO_LARGE MHD_HTTP_REQUEST_ENTITY_TOO_LARGE
  44 #endif
  45
  46 #if MHD_VERSION < 0x00094203
  47 #  define MHD_create_response_from_fd_at_offset64 MHD_create_response_from_fd_at_offset
  48 #endif
  49
  50 void microhttpd_logger(void *arg, const char *fmt, va_list ap) _printf_(2, 0);
  51
  52 /* respond_oom() must be usable with return, hence this form. */
  53 #define respond_oom(connection) log_oom(), mhd_respond_oom(connection)
  54
  55 int mhd_respondf(struct MHD_Connection *connection,
  56                  int error,
  57                  unsigned code,
  58                  const char *format, ...) _printf_(4,5);
  59
  60 int mhd_respond(struct MHD_Connection *connection,
  61                 unsigned code,
  62                 const char *message);
  63
  64 int mhd_respond_oom(struct MHD_Connection *connection);
  65
  66 int check_permissions(struct MHD_Connection *connection, int *code, char **hostname);
  67
  68 /* Set gnutls internal logging function to a callback which uses our
  69  * own logging framework.
  70  *
  71  * gnutls categories are additionally filtered by our internal log
  72  * level, so it should be set fairly high to capture all potentially
  73  * interesting events without overwhelming detail.
  74  */
  75 int setup_gnutls_logger(char **categories);