#include "alloc-util.h"
#include "bus-internal.h"
+#include "bus-introspect.h"
#include "bus-label.h"
#include "bus-message.h"
#include "bus-util.h"
return 0;
}
+
+static const BusObjectImplementation* find_implementation(
+ const char *pattern,
+ const BusObjectImplementation* const* bus_objects) {
+
+ for (size_t i = 0; bus_objects && bus_objects[i]; i++) {
+ const BusObjectImplementation *impl = bus_objects[i];
+
+ if (STR_IN_SET(pattern, impl->path, impl->interface))
+ return impl;
+
+ impl = find_implementation(pattern, impl->children);
+ if (impl)
+ return impl;
+ }
+
+ return NULL;
+}
+
+static int bus_introspect_implementation(
+ struct introspect *intro,
+ const BusObjectImplementation *impl) {
+ int r;
+
+ for (const sd_bus_vtable **p = impl->vtables; p && *p; p++) {
+ r = introspect_write_interface(intro, impl->interface, *p);
+ if (r < 0)
+ return log_error_errno(r, "Failed to write introspection data: %m");
+ }
+
+ for (const BusObjectVtablePair *p = impl->fallback_vtables; p && p->vtable; p++) {
+ r = introspect_write_interface(intro, impl->interface, p->vtable);
+ if (r < 0)
+ return log_error_errno(r, "Failed to write introspection data: %m");
+ }
+
+ return 0;
+}
+
+int bus_introspect_implementations(
+ FILE *out,
+ const char *pattern,
+ const BusObjectImplementation* const* bus_objects) {
+
+ const BusObjectImplementation *impl, *main_impl = NULL;
+ _cleanup_free_ char *s = NULL;
+ int r;
+
+ struct introspect intro = {};
+ bool is_interface = interface_name_is_valid(pattern);
+
+ impl = find_implementation(pattern, bus_objects);
+ if (!impl)
+ return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
+ "%s %s not found",
+ is_interface ? "Interface" : "Object path",
+ pattern);
+
+ /* We use trusted=false here to get all the @org.freedesktop.systemd1.Privileged annotations. */
+ r = introspect_begin(&intro, false);
+ if (r < 0)
+ return log_error_errno(r, "Failed to write introspection data: %m");
+
+ r = introspect_write_default_interfaces(&intro, impl->manager);
+ if (r < 0)
+ return log_error_errno(r, "Failed to write introspection data: %m");
+
+ /* Check if there is a non-fallback path that applies to the given interface, also
+ * print it. This is useful in the case of units: o.fd.systemd1.Service is declared
+ * as a fallback vtable for o/fd/systemd1/unit, and we also want to print
+ * o.fd.systemd1.Unit, which is the non-fallback implementation. */
+ if (impl->fallback_vtables && is_interface)
+ main_impl = find_implementation(impl->path, bus_objects);
+
+ if (main_impl)
+ bus_introspect_implementation(&intro, main_impl);
+
+ if (impl != main_impl)
+ bus_introspect_implementation(&intro, impl);
+
+ _cleanup_set_free_free_ Set *nodes = NULL;
+
+ for (size_t i = 0; impl->children && impl->children[i]; i++) {
+ r = set_ensure_allocated(&nodes, &string_hash_ops);
+ if (r < 0)
+ return log_oom();
+
+ r = set_put_strdup(nodes, impl->children[i]->path);
+ if (r < 0)
+ return log_oom();
+ }
+
+ r = introspect_write_child_nodes(&intro, nodes, impl->path);
+ if (r < 0)
+ return r;
+
+ r = introspect_finish(&intro, &s);
+ if (r < 0)
+ return log_error_errno(r, "Failed to write introspection data: %m");
+
+ fputs(s, out);
+ return 0;
+}