src/journal-remote/microhttpd-util.h

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