1 files changed, 105 insertions, 0 deletions
diff --git a/src/libsystemd/sd-bus/bus-protocol.h b/src/libsystemd/sd-bus/bus-protocol.h
new file mode 100644
index 0000000..c41ab58
--- /dev/null
+++ b/src/libsystemd/sd-bus/bus-protocol.h
@@ -0,0 +1,105 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <endian.h>
+
+#include "macro.h"
+
+/* Packet header */
+
+struct _packed_ bus_header {
+        /* The first four fields are identical for dbus1, and dbus2 */
+        uint8_t endian;
+        uint8_t type;
+        uint8_t flags;
+        uint8_t version;
+
+        union _packed_ {
+                /* dbus1: Used for SOCK_STREAM connections */
+                struct _packed_ {
+                        uint32_t body_size;
+
+                        /* Note that what the bus spec calls "serial" we'll call
+                           "cookie" instead, because we don't want to imply that the
+                           cookie was in any way monotonically increasing. */
+                        uint32_t serial;
+                        uint32_t fields_size;
+                } dbus1;
+
+                /* dbus2: Used for kdbus connections */
+                struct _packed_ {
+                        uint32_t _reserved;
+                        uint64_t cookie;
+                } dbus2;
+
+                /* Note that both header versions have the same size! */
+        };
+};
+
+/* Endianness */
+
+enum {
+        _BUS_INVALID_ENDIAN = 0,
+        BUS_LITTLE_ENDIAN   = 'l',
+        BUS_BIG_ENDIAN      = 'B',
+#if __BYTE_ORDER == __BIG_ENDIAN
+        BUS_NATIVE_ENDIAN   = BUS_BIG_ENDIAN,
+        BUS_REVERSE_ENDIAN  = BUS_LITTLE_ENDIAN
+#else
+        BUS_NATIVE_ENDIAN   = BUS_LITTLE_ENDIAN,
+        BUS_REVERSE_ENDIAN  = BUS_BIG_ENDIAN
+#endif
+};
+
+/* Flags */
+
+enum {
+        BUS_MESSAGE_NO_REPLY_EXPECTED               = 1 << 0,
+        BUS_MESSAGE_NO_AUTO_START                   = 1 << 1,
+        BUS_MESSAGE_ALLOW_INTERACTIVE_AUTHORIZATION = 1 << 2,
+};
+
+/* Header fields */
+
+enum {
+        _BUS_MESSAGE_HEADER_INVALID = 0,
+        BUS_MESSAGE_HEADER_PATH,
+        BUS_MESSAGE_HEADER_INTERFACE,
+        BUS_MESSAGE_HEADER_MEMBER,
+        BUS_MESSAGE_HEADER_ERROR_NAME,
+        BUS_MESSAGE_HEADER_REPLY_SERIAL,
+        BUS_MESSAGE_HEADER_DESTINATION,
+        BUS_MESSAGE_HEADER_SENDER,
+        BUS_MESSAGE_HEADER_SIGNATURE,
+        BUS_MESSAGE_HEADER_UNIX_FDS,
+        _BUS_MESSAGE_HEADER_MAX
+};
+
+/* RequestName parameters */
+
+enum  {
+        BUS_NAME_ALLOW_REPLACEMENT = 1 << 0,
+        BUS_NAME_REPLACE_EXISTING  = 1 << 1,
+        BUS_NAME_DO_NOT_QUEUE      = 1 << 2,
+};
+
+/* RequestName returns */
+enum  {
+        BUS_NAME_PRIMARY_OWNER = 1,
+        BUS_NAME_IN_QUEUE = 2,
+        BUS_NAME_EXISTS = 3,
+        BUS_NAME_ALREADY_OWNER = 4
+};
+
+/* ReleaseName returns */
+enum {
+        BUS_NAME_RELEASED = 1,
+        BUS_NAME_NON_EXISTENT = 2,
+        BUS_NAME_NOT_OWNER = 3,
+};
+
+/* StartServiceByName returns */
+enum {
+        BUS_START_REPLY_SUCCESS = 1,
+        BUS_START_REPLY_ALREADY_RUNNING = 2,
+};