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authorLennart Poettering <lennart@poettering.net>2013-11-22 01:14:57 +0100
committerLennart Poettering <lennart@poettering.net>2013-11-22 01:42:15 +0100
commitf00c31213a2e521680c2381ef231f05e30c874a7 (patch)
treea0eb712c597e646c5149441bc301942f9d5fd386 /src
parent969987ea93a7fdcd2c87b551eb0adf0bd9338b32 (diff)
bus: also add error parameter to object find and enumerator callbacks
Just in order to bring things inline with the method and property callbacks.
Diffstat (limited to 'src')
-rw-r--r--src/core/dbus.c77
-rw-r--r--src/libsystemd-bus/bus-objects.c160
-rw-r--r--src/libsystemd-bus/test-bus-objects.c2
-rw-r--r--src/login/logind-seat-dbus.c4
-rw-r--r--src/login/logind-seat.h4
-rw-r--r--src/login/logind-session-dbus.c4
-rw-r--r--src/login/logind-session.h4
-rw-r--r--src/login/logind-user-dbus.c4
-rw-r--r--src/login/logind-user.h4
-rw-r--r--src/machine/machine-dbus.c4
-rw-r--r--src/machine/machine.h3
-rw-r--r--src/machine/machined.h2
-rw-r--r--src/systemd/sd-bus.h4
13 files changed, 136 insertions, 140 deletions
diff --git a/src/core/dbus.c b/src/core/dbus.c
index 1cb4d0fa7d..d130e0974e 100644
--- a/src/core/dbus.c
+++ b/src/core/dbus.c
@@ -272,7 +272,7 @@ static int selinux_filter(sd_bus *bus, sd_bus_message *message, void *userdata,
return 0;
}
-static int bus_job_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata) {
+static int bus_job_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
Manager *m = userdata;
Job *j;
int r;
@@ -291,7 +291,7 @@ static int bus_job_find(sd_bus *bus, const char *path, const char *interface, vo
return 1;
}
-static Unit *find_unit(Manager *m, sd_bus *bus, const char *path) {
+static int find_unit(Manager *m, sd_bus *bus, const char *path, Unit **unit, sd_bus_error *error) {
Unit *u;
int r;
@@ -305,25 +305,28 @@ static Unit *find_unit(Manager *m, sd_bus *bus, const char *path) {
message = sd_bus_get_current(bus);
if (!message)
- return NULL;
+ return 0;
r = sd_bus_get_owner_pid(bus, sd_bus_message_get_sender(message), &pid);
if (r < 0)
- return NULL;
+ return 0;
u = manager_get_unit_by_pid(m, pid);
} else {
- r = manager_load_unit_from_dbus_path(m, path, NULL, &u);
+ r = manager_load_unit_from_dbus_path(m, path, error, &u);
if (r < 0)
- return NULL;
+ return 0;
}
- return u;
+ if (!u)
+ return 0;
+
+ *unit = u;
+ return 1;
}
-static int bus_unit_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata) {
+static int bus_unit_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
Manager *m = userdata;
- Unit *u;
assert(bus);
assert(path);
@@ -331,17 +334,13 @@ static int bus_unit_find(sd_bus *bus, const char *path, const char *interface, v
assert(found);
assert(m);
- u = find_unit(m, bus, path);
- if (!u)
- return 0;
-
- *found = u;
- return 1;
+ return find_unit(m, bus, path, (Unit**) found, error);
}
-static int bus_unit_interface_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata) {
+static int bus_unit_interface_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
Manager *m = userdata;
Unit *u;
+ int r;
assert(bus);
assert(path);
@@ -349,9 +348,9 @@ static int bus_unit_interface_find(sd_bus *bus, const char *path, const char *in
assert(found);
assert(m);
- u = find_unit(m, bus, path);
- if (!u)
- return 0;
+ r = find_unit(m, bus, path, &u, error);
+ if (r <= 0)
+ return r;
if (!streq_ptr(interface, UNIT_VTABLE(u)->bus_interface))
return 0;
@@ -360,9 +359,10 @@ static int bus_unit_interface_find(sd_bus *bus, const char *path, const char *in
return 1;
}
-static int bus_unit_cgroup_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata) {
+static int bus_unit_cgroup_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
Manager *m = userdata;
Unit *u;
+ int r;
assert(bus);
assert(path);
@@ -370,9 +370,9 @@ static int bus_unit_cgroup_find(sd_bus *bus, const char *path, const char *inter
assert(found);
assert(m);
- u = find_unit(m, bus, path);
- if (!u)
- return 0;
+ r = find_unit(m, bus, path, &u, error);
+ if (r <= 0)
+ return r;
if (!streq_ptr(interface, UNIT_VTABLE(u)->bus_interface))
return 0;
@@ -384,10 +384,11 @@ static int bus_unit_cgroup_find(sd_bus *bus, const char *path, const char *inter
return 1;
}
-static int bus_cgroup_context_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata) {
+static int bus_cgroup_context_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
Manager *m = userdata;
CGroupContext *c;
Unit *u;
+ int r;
assert(bus);
assert(path);
@@ -395,9 +396,9 @@ static int bus_cgroup_context_find(sd_bus *bus, const char *path, const char *in
assert(found);
assert(m);
- u = find_unit(m, bus, path);
- if (!u)
- return 0;
+ r = find_unit(m, bus, path, &u, error);
+ if (r <= 0)
+ return r;
if (!streq_ptr(interface, UNIT_VTABLE(u)->bus_interface))
return 0;
@@ -410,10 +411,11 @@ static int bus_cgroup_context_find(sd_bus *bus, const char *path, const char *in
return 1;
}
-static int bus_exec_context_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata) {
+static int bus_exec_context_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
Manager *m = userdata;
ExecContext *c;
Unit *u;
+ int r;
assert(bus);
assert(path);
@@ -421,9 +423,9 @@ static int bus_exec_context_find(sd_bus *bus, const char *path, const char *inte
assert(found);
assert(m);
- u = find_unit(m, bus, path);
- if (!u)
- return 0;
+ r = find_unit(m, bus, path, &u, error);
+ if (r <= 0)
+ return r;
if (!streq_ptr(interface, UNIT_VTABLE(u)->bus_interface))
return 0;
@@ -436,10 +438,11 @@ static int bus_exec_context_find(sd_bus *bus, const char *path, const char *inte
return 1;
}
-static int bus_kill_context_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata) {
+static int bus_kill_context_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
Manager *m = userdata;
KillContext *c;
Unit *u;
+ int r;
assert(bus);
assert(path);
@@ -447,9 +450,9 @@ static int bus_kill_context_find(sd_bus *bus, const char *path, const char *inte
assert(found);
assert(m);
- u = find_unit(m, bus, path);
- if (!u)
- return 0;
+ r = find_unit(m, bus, path, &u, error);
+ if (r <= 0)
+ return r;
if (!streq_ptr(interface, UNIT_VTABLE(u)->bus_interface))
return 0;
@@ -462,7 +465,7 @@ static int bus_kill_context_find(sd_bus *bus, const char *path, const char *inte
return 1;
}
-static int bus_job_enumerate(sd_bus *bus, const char *path, char ***nodes, void *userdata) {
+static int bus_job_enumerate(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
_cleanup_free_ char **l = NULL;
Manager *m = userdata;
unsigned k = 0;
@@ -489,7 +492,7 @@ static int bus_job_enumerate(sd_bus *bus, const char *path, char ***nodes, void
return k;
}
-static int bus_unit_enumerate(sd_bus *bus, const char *path, char ***nodes, void *userdata) {
+static int bus_unit_enumerate(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
_cleanup_free_ char **l = NULL;
Manager *m = userdata;
unsigned k = 0;
diff --git a/src/libsystemd-bus/bus-objects.c b/src/libsystemd-bus/bus-objects.c
index 06be5ed7d8..7c8a774e73 100644
--- a/src/libsystemd-bus/bus-objects.c
+++ b/src/libsystemd-bus/bus-objects.c
@@ -33,7 +33,8 @@ static int node_vtable_get_userdata(
sd_bus *bus,
const char *path,
struct node_vtable *c,
- void **userdata) {
+ void **userdata,
+ sd_bus_error *error) {
void *u;
int r;
@@ -44,8 +45,12 @@ static int node_vtable_get_userdata(
u = c->userdata;
if (c->find) {
- r = c->find(bus, path, c->interface, &u, u);
- if (r <= 0)
+ r = c->find(bus, path, c->interface, u, &u, error);
+ if (r < 0)
+ return r;
+ if (sd_bus_error_is_set(error))
+ return sd_bus_error_get_errno(error);
+ if (r == 0)
return r;
}
@@ -65,7 +70,8 @@ static int vtable_property_get_userdata(
sd_bus *bus,
const char *path,
struct vtable_member *p,
- void **userdata) {
+ void **userdata,
+ sd_bus_error *error) {
void *u;
int r;
@@ -75,7 +81,7 @@ static int vtable_property_get_userdata(
assert(p);
assert(userdata);
- r = node_vtable_get_userdata(bus, path, p->parent, &u);
+ r = node_vtable_get_userdata(bus, path, p->parent, &u, error);
if (r <= 0)
return r;
if (bus->nodes_modified)
@@ -89,7 +95,8 @@ static int add_enumerated_to_set(
sd_bus *bus,
const char *prefix,
struct node_enumerator *first,
- Set *s) {
+ Set *s,
+ sd_bus_error *error) {
struct node_enumerator *c;
int r;
@@ -104,9 +111,11 @@ static int add_enumerated_to_set(
if (bus->nodes_modified)
return 0;
- r = c->callback(bus, prefix, &children, c->userdata);
+ r = c->callback(bus, prefix, c->userdata, &children, error);
if (r < 0)
return r;
+ if (sd_bus_error_is_set(error))
+ return sd_bus_error_get_errno(error);
STRV_FOREACH(k, children) {
if (r < 0) {
@@ -140,7 +149,8 @@ static int add_subtree_to_set(
sd_bus *bus,
const char *prefix,
struct node *n,
- Set *s) {
+ Set *s,
+ sd_bus_error *error) {
struct node *i;
int r;
@@ -150,7 +160,7 @@ static int add_subtree_to_set(
assert(n);
assert(s);
- r = add_enumerated_to_set(bus, prefix, n->enumerators, s);
+ r = add_enumerated_to_set(bus, prefix, n->enumerators, s, error);
if (r < 0)
return r;
if (bus->nodes_modified)
@@ -170,7 +180,7 @@ static int add_subtree_to_set(
if (r < 0 && r != -EEXIST)
return r;
- r = add_subtree_to_set(bus, prefix, i, s);
+ r = add_subtree_to_set(bus, prefix, i, s, error);
if (r < 0)
return r;
if (bus->nodes_modified)
@@ -184,7 +194,8 @@ static int get_child_nodes(
sd_bus *bus,
const char *prefix,
struct node *n,
- Set **_s) {
+ Set **_s,
+ sd_bus_error *error) {
Set *s = NULL;
int r;
@@ -198,7 +209,7 @@ static int get_child_nodes(
if (!s)
return -ENOMEM;
- r = add_subtree_to_set(bus, prefix, n, s);
+ r = add_subtree_to_set(bus, prefix, n, s, error);
if (r < 0) {
set_free_free(s);
return r;
@@ -258,6 +269,7 @@ static int method_callbacks_run(
bool require_fallback,
bool *found_object) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
const char *signature;
void *u;
int r;
@@ -270,9 +282,9 @@ static int method_callbacks_run(
if (require_fallback && !c->parent->is_fallback)
return 0;
- r = node_vtable_get_userdata(bus, m->path, c->parent, &u);
+ r = node_vtable_get_userdata(bus, m->path, c->parent, &u, &error);
if (r <= 0)
- return r;
+ return bus_maybe_reply_error(m, r, &error);
if (bus->nodes_modified)
return 0;
@@ -291,20 +303,16 @@ static int method_callbacks_run(
if (!signature)
return -EINVAL;
- if (!streq(strempty(c->vtable->x.method.signature), signature)) {
+ if (!streq(strempty(c->vtable->x.method.signature), signature))
return sd_bus_reply_method_errorf(
m,
SD_BUS_ERROR_INVALID_ARGS,
"Invalid arguments '%s' to call %s.%s(), expecting '%s'.",
signature, c->interface, c->member, strempty(c->vtable->x.method.signature));
- }
if (c->vtable->x.method.handler) {
- _cleanup_bus_error_free_ sd_bus_error error_buffer = SD_BUS_ERROR_NULL;
-
- r = c->vtable->x.method.handler(bus, m, u, &error_buffer);
-
- return bus_maybe_reply_error(m, r, &error_buffer);
+ r = c->vtable->x.method.handler(bus, m, u, &error);
+ return bus_maybe_reply_error(m, r, &error);
}
/* If the method callback is NULL, make this a successful NOP */
@@ -326,6 +334,7 @@ static int invoke_property_get(
sd_bus_error *error) {
const void *p;
+ int r;
assert(bus);
assert(v);
@@ -334,8 +343,14 @@ static int invoke_property_get(
assert(property);
assert(reply);
- if (v->x.property.get)
- return v->x.property.get(bus, path, interface, property, reply, userdata, error);
+ if (v->x.property.get) {
+ r = v->x.property.get(bus, path, interface, property, reply, userdata, error);
+ if (r < 0)
+ return r;
+ if (sd_bus_error_is_set(error))
+ return sd_bus_error_get_errno(error);
+ return r;
+ }
/* Automatic handling if no callback is defined. */
@@ -384,8 +399,14 @@ static int invoke_property_set(
assert(property);
assert(value);
- if (v->x.property.set)
- return v->x.property.set(bus, path, interface, property, value, userdata, error);
+ if (v->x.property.set) {
+ r = v->x.property.set(bus, path, interface, property, value, userdata, error);
+ if (r < 0)
+ return r;
+ if (sd_bus_error_is_set(error))
+ return sd_bus_error_get_errno(error);
+ return r;
+ }
/* Automatic handling if no callback is defined. */
@@ -446,9 +467,9 @@ static int property_get_set_callbacks_run(
if (require_fallback && !c->parent->is_fallback)
return 0;
- r = vtable_property_get_userdata(bus, m->path, c, &u);
+ r = vtable_property_get_userdata(bus, m->path, c, &u, &error);
if (r <= 0)
- return r;
+ return bus_maybe_reply_error(m, r, &error);
if (bus->nodes_modified)
return 0;
@@ -472,9 +493,7 @@ static int property_get_set_callbacks_run(
r = invoke_property_get(bus, c->vtable, m->path, c->interface, c->member, reply, u, &error);
if (r < 0)
- return sd_bus_reply_method_errno(m, r, &error);
- if (sd_bus_error_is_set(&error))
- return sd_bus_reply_method_error(m, &error);
+ return bus_maybe_reply_error(m, r, &error);
if (bus->nodes_modified)
return 0;
@@ -501,9 +520,7 @@ static int property_get_set_callbacks_run(
r = invoke_property_set(bus, c->vtable, m->path, c->interface, c->member, m, u, &error);
if (r < 0)
- return sd_bus_reply_method_errno(m, r, &error);
- if (sd_bus_error_is_set(&error))
- return sd_bus_reply_method_error(m, &error);
+ return bus_maybe_reply_error(m, r, &error);
if (bus->nodes_modified)
return 0;
@@ -553,12 +570,8 @@ static int vtable_append_all_properties(
return r;
r = invoke_property_get(bus, v, path, c->interface, v->x.property.member, reply, vtable_property_convert_userdata(v, userdata), error);
- if (sd_bus_error_is_set(error))
- return 0;
- if (r < 0) {
- sd_bus_error_set_errno(error, r);
- return 0;
- }
+ if (r < 0)
+ return r;
if (bus->nodes_modified)
return 0;
@@ -611,9 +624,9 @@ static int property_get_all_callbacks_run(
if (require_fallback && !c->is_fallback)
continue;
- r = node_vtable_get_userdata(bus, m->path, c, &u);
+ r = node_vtable_get_userdata(bus, m->path, c, &u, &error);
if (r < 0)
- return r;
+ return bus_maybe_reply_error(m, r, &error);
if (bus->nodes_modified)
return 0;
if (r == 0)
@@ -627,15 +640,7 @@ static int property_get_all_callbacks_run(
r = vtable_append_all_properties(bus, reply, m->path, c, u, &error);
if (r < 0)
- return r;
-
- if (sd_bus_error_is_set(&error)) {
- r = sd_bus_reply_method_error(m, &error);
- if (r < 0)
- return r;
-
- return 1;
- }
+ return bus_maybe_reply_error(m, r, &error);
if (bus->nodes_modified)
return 0;
}
@@ -699,11 +704,12 @@ static bool bus_node_exists(
}
LIST_FOREACH(vtables, c, n->vtables) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
if (require_fallback && !c->is_fallback)
continue;
- if (node_vtable_get_userdata(bus, path, c, NULL) > 0)
+ if (node_vtable_get_userdata(bus, path, c, NULL, &error) > 0)
return true;
if (bus->nodes_modified)
return false;
@@ -719,6 +725,7 @@ static int process_introspect(
bool require_fallback,
bool *found_object) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_set_free_free_ Set *s = NULL;
const char *previous_interface = NULL;
@@ -732,9 +739,9 @@ static int process_introspect(
assert(n);
assert(found_object);
- r = get_child_nodes(bus, m->path, n, &s);
+ r = get_child_nodes(bus, m->path, n, &s, &error);
if (r < 0)
- return r;
+ return bus_maybe_reply_error(m, r, &error);
if (bus->nodes_modified)
return 0;
@@ -752,11 +759,15 @@ static int process_introspect(
if (require_fallback && !c->is_fallback)
continue;
- r = node_vtable_get_userdata(bus, m->path, c, NULL);
- if (r < 0)
- return r;
- if (bus->nodes_modified)
- return 0;
+ r = node_vtable_get_userdata(bus, m->path, c, NULL, &error);
+ if (r < 0) {
+ r = bus_maybe_reply_error(m, r, &error);
+ goto finish;
+ }
+ if (bus->nodes_modified) {
+ r = 0;
+ goto finish;
+ }
if (r == 0)
continue;
@@ -843,7 +854,7 @@ static int object_manager_serialize_path(
if (require_fallback && !i->is_fallback)
continue;
- r = node_vtable_get_userdata(bus, path, i, &u);
+ r = node_vtable_get_userdata(bus, path, i, &u, error);
if (r < 0)
return r;
if (bus->nodes_modified)
@@ -902,8 +913,6 @@ static int object_manager_serialize_path(
r = vtable_append_all_properties(bus, reply, path, i, u, error);
if (r < 0)
return r;
- if (sd_bus_error_is_set(error))
- return 0;
if (bus->nodes_modified)
return 0;
@@ -951,8 +960,6 @@ static int object_manager_serialize_path_and_fallbacks(
r = object_manager_serialize_path(bus, reply, path, path, false, error);
if (r < 0)
return r;
- if (sd_bus_error_is_set(error))
- return 0;
if (bus->nodes_modified)
return 0;
@@ -962,8 +969,6 @@ static int object_manager_serialize_path_and_fallbacks(
r = object_manager_serialize_path(bus, reply, prefix, path, true, error);
if (r < 0)
return r;
- if (sd_bus_error_is_set(error))
- return 0;
if (bus->nodes_modified)
return 0;
}
@@ -978,6 +983,7 @@ static int process_get_managed_objects(
bool require_fallback,
bool *found_object) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_set_free_free_ Set *s = NULL;
bool empty;
@@ -991,7 +997,7 @@ static int process_get_managed_objects(
if (!bus_node_with_object_manager(bus, n))
return 0;
- r = get_child_nodes(bus, m->path, n, &s);
+ r = get_child_nodes(bus, m->path, n, &s, &error);
if (r < 0)
return r;
if (bus->nodes_modified)
@@ -1034,19 +1040,9 @@ static int process_get_managed_objects(
char *path;
SET_FOREACH(path, s, i) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
-
r = object_manager_serialize_path_and_fallbacks(bus, reply, path, &error);
if (r < 0)
- return -ENOMEM;
-
- if (sd_bus_error_is_set(&error)) {
- r = sd_bus_reply_method_error(m, &error);
- if (r < 0)
- return r;
-
- return 1;
- }
+ return r;
if (bus->nodes_modified)
return 0;
@@ -1851,6 +1847,7 @@ static int emit_properties_changed_on_interface(
bool require_fallback,
char **names) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *m = NULL;
bool has_invalidating = false, has_changing = false;
struct vtable_member key = {};
@@ -1891,7 +1888,7 @@ static int emit_properties_changed_on_interface(
if (!streq(c->interface, interface))
continue;
- r = node_vtable_get_userdata(bus, path, c, &u);
+ r = node_vtable_get_userdata(bus, path, c, &u, &error);
if (r < 0)
return r;
if (bus->nodes_modified)
@@ -1900,7 +1897,6 @@ static int emit_properties_changed_on_interface(
continue;
STRV_FOREACH(property, names) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
struct vtable_member *v;
assert_return(member_name_is_valid(*property), -EINVAL);
@@ -1940,8 +1936,6 @@ static int emit_properties_changed_on_interface(
r = invoke_property_get(bus, v->vtable, m->path, interface, *property, m, vtable_property_convert_userdata(v->vtable, u), &error);
if (r < 0)
return r;
- if (sd_bus_error_is_set(&error))
- return sd_bus_error_get_errno(&error);
if (bus->nodes_modified)
return 0;
@@ -1974,7 +1968,7 @@ static int emit_properties_changed_on_interface(
if (!streq(c->interface, interface))
continue;
- r = node_vtable_get_userdata(bus, path, c, &u);
+ r = node_vtable_get_userdata(bus, path, c, &u, &error);
if (r < 0)
return r;
if (bus->nodes_modified)
@@ -2106,7 +2100,7 @@ static int interfaces_added_append_one_prefix(
if (!streq(c->interface, interface))
continue;
- r = node_vtable_get_userdata(bus, path, c, &u);
+ r = node_vtable_get_userdata(bus, path, c, &u, &error);
if (r < 0)
return r;
if (bus->nodes_modified)
diff --git a/src/libsystemd-bus/test-bus-objects.c b/src/libsystemd-bus/test-bus-objects.c
index 043aa90b3c..95278e36e3 100644
--- a/src/libsystemd-bus/test-bus-objects.c
+++ b/src/libsystemd-bus/test-bus-objects.c
@@ -182,7 +182,7 @@ static const sd_bus_vtable vtable2[] = {
SD_BUS_VTABLE_END
};
-static int enumerator_callback(sd_bus *b, const char *path, char ***nodes, void *userdata) {
+static int enumerator_callback(sd_bus *b, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
if (object_path_startswith("/value", path))
assert_se(*nodes = strv_new("/value/a", "/value/b", "/value/c", NULL));
diff --git a/src/login/logind-seat-dbus.c b/src/login/logind-seat-dbus.c
index 488d007c7e..f274c0d639 100644
--- a/src/login/logind-seat-dbus.c
+++ b/src/login/logind-seat-dbus.c
@@ -254,7 +254,7 @@ const sd_bus_vtable seat_vtable[] = {
SD_BUS_VTABLE_END
};
-int seat_object_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata) {
+int seat_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
Manager *m = userdata;
Seat *seat;
int r;
@@ -319,7 +319,7 @@ char *seat_bus_path(Seat *s) {
return strappend("/org/freedesktop/login1/seat/", t);
}
-int seat_node_enumerator(sd_bus *bus, const char *path, char ***nodes, void *userdata) {
+int seat_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
_cleanup_strv_free_ char **l = NULL;
Manager *m = userdata;
Seat *seat;
diff --git a/src/login/logind-seat.h b/src/login/logind-seat.h
index 0547dec072..80c6b8bd92 100644
--- a/src/login/logind-seat.h
+++ b/src/login/logind-seat.h
@@ -82,8 +82,8 @@ bool seat_name_is_valid(const char *name);
extern const sd_bus_vtable seat_vtable[];
-int seat_node_enumerator(sd_bus *bus, const char *path, char ***nodes, void *userdata);
-int seat_object_find(sd_bus *bus, const char *path, const char *interface, void **found, void *seatdata);
+int seat_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error);
+int seat_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error);
char *seat_bus_path(Seat *s);
int seat_send_signal(Seat *s, bool new_seat);
diff --git a/src/login/logind-session-dbus.c b/src/login/logind-session-dbus.c
index d2e2364fc2..9f3217baf5 100644
--- a/src/login/logind-session-dbus.c
+++ b/src/login/logind-session-dbus.c
@@ -465,7 +465,7 @@ const sd_bus_vtable session_vtable[] = {
SD_BUS_VTABLE_END
};
-int session_object_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata) {
+int session_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
Manager *m = userdata;
Session *session;
int r;
@@ -524,7 +524,7 @@ char *session_bus_path(Session *s) {
return strappend("/org/freedesktop/login1/session/", t);
}
-int session_node_enumerator(sd_bus *bus, const char *path, char ***nodes, void *userdata) {
+int session_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
_cleanup_strv_free_ char **l = NULL;
Manager *m = userdata;
Session *session;
diff --git a/src/login/logind-session.h b/src/login/logind-session.h
index bcbd4e5625..f7a9dbc249 100644
--- a/src/login/logind-session.h
+++ b/src/login/logind-session.h
@@ -139,8 +139,8 @@ int session_kill(Session *s, KillWho who, int signo);
SessionState session_get_state(Session *u);
extern const sd_bus_vtable session_vtable[];
-int session_node_enumerator(sd_bus *bus, const char *path, char ***nodes, void *userdata);
-int session_object_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata);
+int session_node_enumerator(sd_bus *bus, const char *path,void *userdata, char ***nodes, sd_bus_error *error);
+int session_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error);
char *session_bus_path(Session *s);
int session_send_signal(Session *s, bool new_session);
diff --git a/src/login/logind-user-dbus.c b/src/login/logind-user-dbus.c
index 3942fa9bec..6a77e33eea 100644
--- a/src/login/logind-user-dbus.c
+++ b/src/login/logind-user-dbus.c
@@ -235,7 +235,7 @@ const sd_bus_vtable user_vtable[] = {
SD_BUS_VTABLE_END
};
-int user_object_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata) {
+int user_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
Manager *m = userdata;
User *user;
int r;
@@ -293,7 +293,7 @@ char *user_bus_path(User *u) {
return s;
}
-int user_node_enumerator(sd_bus *bus, const char *path, char ***nodes, void *userdata) {
+int user_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
_cleanup_strv_free_ char **l = NULL;
Manager *m = userdata;
User *user;
diff --git a/src/login/logind-user.h b/src/login/logind-user.h
index 8d396c681d..8d5f119e66 100644
--- a/src/login/logind-user.h
+++ b/src/login/logind-user.h
@@ -82,8 +82,8 @@ int user_kill(User *u, int signo);
int user_check_linger_file(User *u);
extern const sd_bus_vtable user_vtable[];
-int user_node_enumerator(sd_bus *bus, const char *path, char ***nodes, void *userdata);
-int user_object_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata);
+int user_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error);
+int user_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error);
char *user_bus_path(User *s);
int user_send_signal(User *u, bool new_user);
diff --git a/src/machine/machine-dbus.c b/src/machine/machine-dbus.c
index 2c7f3a798e..c6a794b5e8 100644
--- a/src/machine/machine-dbus.c
+++ b/src/machine/machine-dbus.c
@@ -142,7 +142,7 @@ const sd_bus_vtable machine_vtable[] = {
SD_BUS_VTABLE_END
};
-int machine_object_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata) {
+int machine_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
Manager *m = userdata;
Machine *machine;
int r;
@@ -201,7 +201,7 @@ char *machine_bus_path(Machine *m) {
return strappend("/org/freedesktop/machine1/machine/", e);
}
-int machine_node_enumerator(sd_bus *bus, const char *path, char ***nodes, void *userdata) {
+int machine_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
_cleanup_strv_free_ char **l = NULL;
Machine *machine = NULL;
Manager *m = userdata;
diff --git a/src/machine/machine.h b/src/machine/machine.h
index 99ee25888e..62e4b2b340 100644
--- a/src/machine/machine.h
+++ b/src/machine/machine.h
@@ -93,7 +93,8 @@ MachineState machine_get_state(Machine *u);
extern const sd_bus_vtable machine_vtable[];
char *machine_bus_path(Machine *s);
-int machine_object_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata);
+int machine_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error);
+int machine_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error);
int machine_send_signal(Machine *m, bool new_machine);
int machine_send_create_reply(Machine *m, sd_bus_error *error);
diff --git a/src/machine/machined.h b/src/machine/machined.h
index 0b074c4e8a..d4b581be7a 100644
--- a/src/machine/machined.h
+++ b/src/machine/machined.h
@@ -60,8 +60,6 @@ int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine);
extern const sd_bus_vtable manager_vtable[];
-int machine_node_enumerator(sd_bus *bus, const char *path, char ***nodes, void *userdata);
-
int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error);
int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error);
int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error);
diff --git a/src/systemd/sd-bus.h b/src/systemd/sd-bus.h
index 582720815a..8954e38791 100644
--- a/src/systemd/sd-bus.h
+++ b/src/systemd/sd-bus.h
@@ -49,8 +49,8 @@ typedef struct {
typedef int (*sd_bus_message_handler_t)(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *ret_error);
typedef int (*sd_bus_property_get_t) (sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *ret_error);
typedef int (*sd_bus_property_set_t) (sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *value, void *userdata, sd_bus_error *ret_error);
-typedef int (*sd_bus_object_find_t) (sd_bus *bus, const char *path, const char *interface, void **found, void *userdata);
-typedef int (*sd_bus_node_enumerator_t) (sd_bus *bus, const char *path, char ***nodes, void *userdata);
+typedef int (*sd_bus_object_find_t) (sd_bus *bus, const char *path, const char *interface, void *userdata, void **ret_found, sd_bus_error *ret_error);
+typedef int (*sd_bus_node_enumerator_t) (sd_bus *bus, const char *path, void *userdata, char ***ret_nodes, sd_bus_error *ret_error);
#include "sd-bus-protocol.h"
#include "sd-bus-vtable.h"