systemd-oomd: dbus hook ups and oomctl CLI

1 files changed, 36 insertions, 0 deletions

diff --git a/src/oom/oomd-manager-bus.c b/src/oom/oomd-manager-bus.c
new file mode 100644
index 0000000000..67c5fbf92f
--- /dev/null
+++ b/src/oom/oomd-manager-bus.c
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include <linux/capability.h>
+
+#include "bus-common-errors.h"
+#include "bus-polkit.h"
+#include "fd-util.h"
+#include "oomd-manager-bus.h"
+#include "oomd-manager.h"
+#include "user-util.h"
+
+static int bus_method_dump_by_fd(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_free_ char *dump = NULL;
+        _cleanup_close_ int fd = -1;
+        Manager *m = userdata;
+        int r;
+
+        assert(message);
+        assert(m);
+
+        r = manager_get_dump_string(m, &dump);
+        if (r < 0)
+                return r;
+
+        fd = acquire_data_fd(dump, strlen(dump), 0);
+        if (fd < 0)
+                return fd;
+
+        return sd_bus_reply_method_return(message, "h", fd);
+}
+
+const sd_bus_vtable manager_vtable[] = {
+        SD_BUS_VTABLE_START(0),
+        SD_BUS_METHOD("DumpByFileDescriptor", NULL, "h", bus_method_dump_by_fd, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_VTABLE_END
+};