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                  unsigned code,
68                  const char *format, ...) _printf_(4,5);
69 
70 int mhd_respond(struct MHD_Connection *connection,
71                 unsigned 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);
89