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-rw-r--r--src/journal-remote/microhttpd-util.h105
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diff --git a/src/journal-remote/microhttpd-util.h b/src/journal-remote/microhttpd-util.h
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+++ b/src/journal-remote/microhttpd-util.h
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+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <microhttpd.h>
+#include <stdarg.h>
+
+#include "macro.h"
+
+/* Those defines are added when options are renamed. If the old names
+ * are not '#define'd, then they are not deprecated yet and there are
+ * enum elements with the same name. Hence let's check for the *old* name,
+ * and define the new name by the value of the old name. */
+
+/* Renamed in μhttpd 0.9.51 */
+#ifndef MHD_USE_PIPE_FOR_SHUTDOWN
+# define MHD_USE_ITC MHD_USE_PIPE_FOR_SHUTDOWN
+#endif
+
+/* Renamed in μhttpd 0.9.52 */
+#ifndef MHD_USE_EPOLL_LINUX_ONLY
+# define MHD_USE_EPOLL MHD_USE_EPOLL_LINUX_ONLY
+#endif
+
+/* Renamed in μhttpd 0.9.52 */
+#ifndef MHD_USE_SSL
+# define MHD_USE_TLS MHD_USE_SSL
+#endif
+
+/* Renamed in μhttpd 0.9.53 */
+#ifndef MHD_USE_POLL_INTERNALLY
+# define MHD_USE_POLL_INTERNAL_THREAD MHD_USE_POLL_INTERNALLY
+#endif
+
+/* Both the old and new names are defines, check for the new one. */
+
+/* Compatibility with libmicrohttpd < 0.9.38 */
+#ifndef MHD_HTTP_NOT_ACCEPTABLE
+# define MHD_HTTP_NOT_ACCEPTABLE MHD_HTTP_METHOD_NOT_ACCEPTABLE
+#endif
+
+/* Renamed in μhttpd 0.9.74 (8c644fc1f4d498ea489add8d40a68f5d3e5899fa) */
+#ifndef MHD_HTTP_CONTENT_TOO_LARGE
+# ifdef MHD_HTTP_PAYLOAD_TOO_LARGE
+# define MHD_HTTP_CONTENT_TOO_LARGE MHD_HTTP_PAYLOAD_TOO_LARGE /* 0.9.53 or newer */
+# else
+# define MHD_HTTP_CONTENT_TOO_LARGE MHD_HTTP_REQUEST_ENTITY_TOO_LARGE
+# endif
+#endif
+
+#if MHD_VERSION < 0x00094203
+# define MHD_create_response_from_fd_at_offset64 MHD_create_response_from_fd_at_offset
+#endif
+
+#if MHD_VERSION >= 0x00097002
+# define mhd_result enum MHD_Result
+#else
+# define mhd_result int
+#endif
+
+void microhttpd_logger(void *arg, const char *fmt, va_list ap) _printf_(2, 0);
+
+/* respond_oom() must be usable with return, hence this form. */
+#define respond_oom(connection) log_oom(), mhd_respond_oom(connection)
+
+int mhd_respond_internal(
+ struct MHD_Connection *connection,
+ enum MHD_RequestTerminationCode code,
+ const char *buffer,
+ size_t size,
+ enum MHD_ResponseMemoryMode mode);
+
+#define mhd_respond(connection, code, message) \
+ mhd_respond_internal( \
+ connection, code, \
+ message "\n", \
+ strlen(message) + 1, \
+ MHD_RESPMEM_PERSISTENT)
+
+int mhd_respond_oom(struct MHD_Connection *connection);
+
+int mhd_respondf_internal(
+ struct MHD_Connection *connection,
+ int error,
+ enum MHD_RequestTerminationCode code,
+ const char *format, ...) _printf_(4,5);
+
+#define mhd_respondf(connection, error, code, format, ...) \
+ mhd_respondf_internal( \
+ connection, error, code, \
+ format "\n", \
+ ##__VA_ARGS__)
+
+int check_permissions(struct MHD_Connection *connection, int *code, char **hostname);
+
+/* Set gnutls internal logging function to a callback which uses our
+ * own logging framework.
+ *
+ * gnutls categories are additionally filtered by our internal log
+ * level, so it should be set fairly high to capture all potentially
+ * interesting events without overwhelming detail.
+ */
+int setup_gnutls_logger(char **categories);
+
+DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(struct MHD_Daemon*, MHD_stop_daemon, NULL);
+DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(struct MHD_Response*, MHD_destroy_response, NULL);