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. If the old names
  28  * are not '#define'd, then they are not deprecated yet and there are
  29  * enum elements with the same name. Hence let's check for the *old* name,
  30  * and define the new name by the value of the old name. */
  31
  32 /* Renamed in µhttpd 0.9.51 */
  33 #ifndef MHD_USE_PIPE_FOR_SHUTDOWN
  34 #  define MHD_USE_ITC MHD_USE_PIPE_FOR_SHUTDOWN
  35 #endif
  36
  37 /* Renamed in µhttpd 0.9.52 */
  38 #ifndef MHD_USE_EPOLL_LINUX_ONLY
  39 #  define MHD_USE_EPOLL MHD_USE_EPOLL_LINUX_ONLY
  40 #endif
  41
  42 /* Renamed in µhttpd 0.9.52 */
  43 #ifndef MHD_USE_SSL
  44 #  define MHD_USE_TLS MHD_USE_SSL
  45 #endif
  46
  47 /* Renamed in µhttpd 0.9.53 */
  48 #ifndef MHD_USE_POLL_INTERNALLY
  49 #  define MHD_USE_POLL_INTERNAL_THREAD MHD_USE_POLL_INTERNALLY
  50 #endif
  51
  52 /* Both the old and new names are defines, check for the new one. */
  53
  54 /* Compatiblity with libmicrohttpd < 0.9.38 */
  55 #ifndef MHD_HTTP_NOT_ACCEPTABLE
  56 #  define MHD_HTTP_NOT_ACCEPTABLE MHD_HTTP_METHOD_NOT_ACCEPTABLE
  57 #endif
  58
  59 /* Renamed in µhttpd 0.9.53 */
  60 #ifndef MHD_HTTP_PAYLOAD_TOO_LARGE
  61 #  define MHD_HTTP_PAYLOAD_TOO_LARGE MHD_HTTP_REQUEST_ENTITY_TOO_LARGE
  62 #endif
  63
  64 #if MHD_VERSION < 0x00094203
  65 #  define MHD_create_response_from_fd_at_offset64 MHD_create_response_from_fd_at_offset
  66 #endif
  67
  68 void microhttpd_logger(void *arg, const char *fmt, va_list ap) _printf_(2, 0);
  69
  70 /* respond_oom() must be usable with return, hence this form. */
  71 #define respond_oom(connection) log_oom(), mhd_respond_oom(connection)
  72
  73 int mhd_respondf(struct MHD_Connection *connection,
  74                  int error,
  75                  unsigned code,
  76                  const char *format, ...) _printf_(4,5);
  77
  78 int mhd_respond(struct MHD_Connection *connection,
  79                 unsigned code,
  80                 const char *message);
  81
  82 int mhd_respond_oom(struct MHD_Connection *connection);
  83
  84 int check_permissions(struct MHD_Connection *connection, int *code, char **hostname);
  85
  86 /* Set gnutls internal logging function to a callback which uses our
  87  * own logging framework.
  88  *
  89  * gnutls categories are additionally filtered by our internal log
  90  * level, so it should be set fairly high to capture all potentially
  91  * interesting events without overwhelming detail.
  92  */
  93 int setup_gnutls_logger(char **categories);