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 0.9.52 */
  35 #ifndef MHD_USE_EPOLL_LINUX_ONLY
  36 #  define MHD_USE_EPOLL MHD_USE_EPOLL_LINUX_ONLY
  37 #endif
  38
  39 /* Renamed in µhttpd 0.9.51 */
  40 #ifndef MHD_USE_PIPE_FOR_SHUTDOWN
  41 #  define MHD_USE_ITC MHD_USE_PIPE_FOR_SHUTDOWN
  42 #endif
  43
  44 #if MHD_VERSION < 0x00094203
  45 #  define MHD_create_response_from_fd_at_offset64 MHD_create_response_from_fd_at_offset
  46 #endif
  47
  48 void microhttpd_logger(void *arg, const char *fmt, va_list ap) _printf_(2, 0);
  49
  50 /* respond_oom() must be usable with return, hence this form. */
  51 #define respond_oom(connection) log_oom(), mhd_respond_oom(connection)
  52
  53 int mhd_respondf(struct MHD_Connection *connection,
  54                  int error,
  55                  unsigned code,
  56                  const char *format, ...) _printf_(4,5);
  57
  58 int mhd_respond(struct MHD_Connection *connection,
  59                 unsigned code,
  60                 const char *message);
  61
  62 int mhd_respond_oom(struct MHD_Connection *connection);
  63
  64 int check_permissions(struct MHD_Connection *connection, int *code, char **hostname);
  65
  66 /* Set gnutls internal logging function to a callback which uses our
  67  * own logging framework.
  68  *
  69  * gnutls categories are additionally filtered by our internal log
  70  * level, so it should be set fairly high to capture all potentially
  71  * interesting events without overwhelming detail.
  72  */
  73 int setup_gnutls_logger(char **categories);