Ensure kdbus isn't used (#3501)

Delete the dbus1 generator and some critical wiring. This prevents
kdbus from being loaded or detected. As such, it will never be used,
even if the user still has a useful kdbus module loaded on their system.

Sort of fixes #3480. Not really, but it's better than the current state.

2 files changed, 0 insertions, 37 deletions

diff --git a/src/shared/bus-util.c b/src/shared/bus-util.c
index 8cfa936347..8e3307dc24 100644
--- a/src/shared/bus-util.c
+++ b/src/shared/bus-util.c
@@ -1505,40 +1505,6 @@ int bus_path_decode_unique(const char *path, const char *prefix, char **ret_send
         return 1;
 }
 
-bool is_kdbus_wanted(void) {
-        _cleanup_free_ char *value = NULL;
-#ifdef ENABLE_KDBUS
-        const bool configured = true;
-#else
-        const bool configured = false;
-#endif
-
-        int r;
-
-        if (get_proc_cmdline_key("kdbus", NULL) > 0)
-                return true;
-
-        r = get_proc_cmdline_key("kdbus=", &value);
-        if (r <= 0)
-                return configured;
-
-        return parse_boolean(value) == 1;
-}
-
-bool is_kdbus_available(void) {
-        _cleanup_close_ int fd = -1;
-        struct kdbus_cmd cmd = { .size = sizeof(cmd), .flags = KDBUS_FLAG_NEGOTIATE };
-
-        if (!is_kdbus_wanted())
-                return false;
-
-        fd = open("/sys/fs/kdbus/control", O_RDWR | O_CLOEXEC | O_NONBLOCK | O_NOCTTY);
-        if (fd < 0)
-                return false;
-
-        return ioctl(fd, KDBUS_CMD_BUS_MAKE, &cmd) >= 0;
-}
-
 int bus_property_get_rlimit(
                 sd_bus *bus,
                 const char *path,
diff --git a/src/shared/bus-util.h b/src/shared/bus-util.h
index d792258ecd..db6b1acba2 100644
--- a/src/shared/bus-util.h
+++ b/src/shared/bus-util.h
@@ -157,7 +157,4 @@ int bus_log_create_error(int r);
 int bus_path_encode_unique(sd_bus *b, const char *prefix, const char *sender_id, const char *external_id, char **ret_path);
 int bus_path_decode_unique(const char *path, const char *prefix, char **ret_sender, char **ret_external);
 
-bool is_kdbus_wanted(void);
-bool is_kdbus_available(void);
-
 int bus_property_get_rlimit(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error);