if (r < 0)
return r;
- if (ret == SD_BUS_NAME_ALREADY_OWNER)
+ if (ret == BUS_NAME_ALREADY_OWNER)
return -EALREADY;
- else if (ret == SD_BUS_NAME_EXISTS)
+ else if (ret == BUS_NAME_EXISTS)
return -EEXIST;
- else if (ret == SD_BUS_NAME_IN_QUEUE)
+ else if (ret == BUS_NAME_IN_QUEUE)
return 0;
- else
- return -EIO;
+ else if (ret == BUS_NAME_PRIMARY_OWNER)
+ return 1;
- return 1;
+ return -EIO;
}
_public_ int sd_bus_request_name(sd_bus *bus, const char *name, unsigned flags) {
r = sd_bus_message_read(reply, "u", &ret);
if (r < 0)
return r;
- if (ret == SD_BUS_NAME_NON_EXISTENT)
+ if (ret == BUS_NAME_NON_EXISTENT)
return -ENOENT;
- if (ret == SD_BUS_NAME_NOT_OWNER)
+ if (ret == BUS_NAME_NOT_OWNER)
return -EADDRNOTAVAIL;
- if (ret == SD_BUS_NAME_RELEASED)
+ if (ret == BUS_NAME_RELEASED)
return 0;
return -EINVAL;
return bus_release_name_dbus1(bus, name);
}
-static int bus_list_names_kernel(sd_bus *bus, char ***l) {
- _cleanup_free_ struct kdbus_cmd_name_list *cmd = NULL;
+static int kernel_get_list(sd_bus *bus, uint64_t flags, char ***x) {
+ struct kdbus_cmd_name_list cmd = {};
struct kdbus_name_list *name_list;
struct kdbus_cmd_name *name;
- char **x = NULL;
int r;
- cmd = malloc0(sizeof(struct kdbus_cmd_name_list));
- if (!cmd)
- return -ENOMEM;
+ /* Caller will free half-constructed list on failure... */
- cmd->size = sizeof(struct kdbus_cmd_name_list);
- cmd->flags = KDBUS_NAME_LIST_UNIQUE | KDBUS_NAME_LIST_NAMES;
+ cmd.size = sizeof(struct kdbus_cmd_name_list);
+ cmd.flags = flags;
- r = ioctl(sd_bus_get_fd(bus), KDBUS_CMD_NAME_LIST, cmd);
+ r = ioctl(bus->input_fd, KDBUS_CMD_NAME_LIST, &cmd);
if (r < 0)
return -errno;
- name_list = (struct kdbus_name_list *) ((uint8_t *) bus->kdbus_buffer + cmd->offset);
+ name_list = (struct kdbus_name_list *) ((uint8_t *) bus->kdbus_buffer + cmd.offset);
KDBUS_PART_FOREACH(name, name_list, names) {
- char *n;
- if (name->size > sizeof(*name))
- n = name->name;
- else
- asprintf(&n, ":1.%llu", (unsigned long long) name->id);
+ if (name->size > sizeof(*name)) {
+ r = strv_extend(x, name->name);
+ if (r < 0)
+ return -ENOMEM;
+ } else {
+ char *n;
+
+ if (asprintf(&n, ":1.%llu", (unsigned long long) name->id) < 0)
+ return -ENOMEM;
+
+ r = strv_push(x, n);
+ if (r < 0) {
+ free(n);
+ return -ENOMEM;
+ }
+ }
- r = strv_extend(&x, n);
- if (r < 0)
- return -ENOMEM;
}
- r = ioctl(sd_bus_get_fd(bus), KDBUS_CMD_FREE, &cmd->offset);
+ r = ioctl(sd_bus_get_fd(bus), KDBUS_CMD_FREE, &cmd.offset);
if (r < 0)
return -errno;
- *l = x;
return 0;
}
-static int bus_list_names_dbus1(sd_bus *bus, char ***l) {
- _cleanup_bus_message_unref_ sd_bus_message *reply1 = NULL, *reply2 = NULL;
- char **x = NULL;
+static int bus_list_names_kernel(sd_bus *bus, char ***acquired, char ***activatable) {
+ _cleanup_strv_free_ char **x = NULL, **y = NULL;
int r;
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.DBus",
- "/",
- "org.freedesktop.DBus",
- "ListNames",
- NULL,
- &reply1,
- NULL);
- if (r < 0)
- return r;
+ if (acquired) {
+ r = kernel_get_list(bus, KDBUS_NAME_LIST_UNIQUE | KDBUS_NAME_LIST_NAMES, &x);
+ if (r < 0)
+ return r;
+ }
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.DBus",
- "/",
- "org.freedesktop.DBus",
- "ListActivatableNames",
- NULL,
- &reply2,
- NULL);
- if (r < 0)
- return r;
+ if (activatable) {
+ r = kernel_get_list(bus, KDBUS_NAME_LIST_STARTERS, &y);
+ if (r < 0)
+ return r;
- r = bus_message_read_strv_extend(reply1, &x);
- if (r < 0) {
- strv_free(x);
- return r;
+ *activatable = y;
+ y = NULL;
}
- r = bus_message_read_strv_extend(reply2, &x);
- if (r < 0) {
- strv_free(x);
- return r;
+ if (acquired) {
+ *acquired = x;
+ x = NULL;
+ }
+
+ return 0;
+}
+
+static int bus_list_names_dbus1(sd_bus *bus, char ***acquired, char ***activatable) {
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ _cleanup_strv_free_ char **x = NULL, **y = NULL;
+ int r;
+
+ if (acquired) {
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.DBus",
+ "/",
+ "org.freedesktop.DBus",
+ "ListNames",
+ NULL,
+ &reply,
+ NULL);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_read_strv(reply, &x);
+ if (r < 0)
+ return r;
+
+ reply = sd_bus_message_unref(reply);
+ }
+
+ if (activatable) {
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.DBus",
+ "/",
+ "org.freedesktop.DBus",
+ "ListActivatableNames",
+ NULL,
+ &reply,
+ NULL);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_read_strv(reply, &y);
+ if (r < 0)
+ return r;
+
+ *activatable = y;
+ y = NULL;
+ }
+
+ if (acquired) {
+ *acquired = x;
+ x = NULL;
}
- *l = strv_uniq(x);
return 0;
}
-_public_ int sd_bus_list_names(sd_bus *bus, char ***l) {
+_public_ int sd_bus_list_names(sd_bus *bus, char ***acquired, char ***activatable) {
assert_return(bus, -EINVAL);
- assert_return(l, -EINVAL);
+ assert_return(acquired || activatable, -EINVAL);
assert_return(BUS_IS_OPEN(bus->state), -ENOTCONN);
assert_return(!bus_pid_changed(bus), -ECHILD);
if (bus->is_kernel)
- return bus_list_names_kernel(bus, l);
+ return bus_list_names_kernel(bus, acquired, activatable);
else
- return bus_list_names_dbus1(bus, l);
+ return bus_list_names_dbus1(bus, acquired, activatable);
}
static int bus_get_owner_kdbus(
~ianmdlvl / elogind.git / blobdiff