- r = sd_bus_message_read(reply, "o", &object);
- if (r < 0)
- return bus_log_parse_error(r);
-
- r = sd_bus_get_property(
- bus,
- "org.freedesktop.machine1",
- object,
- "org.freedesktop.machine1.Machine",
- "Leader",
- &error,
- &reply2,
- "u");
- if (r < 0)
- return log_error_errno(r, "Failed to retrieve PID of leader: %m");
-
- r = sd_bus_message_read(reply2, "u", &leader);
- if (r < 0)
- return bus_log_parse_error(r);
-
- *ret = leader;
- return 0;
-}
-
-static int copy_files(int argc, char *argv[], void *userdata) {
- char *dest, *host_path, *container_path, *host_dirname, *host_basename, *container_dirname, *container_basename, *t;
- _cleanup_close_ int hostfd = -1;
- sd_bus *bus = userdata;
- pid_t child, leader;
- bool copy_from;
- siginfo_t si;
- int r;
-
- assert(bus);
-
- copy_from = streq(argv[0], "copy-from");
- dest = argv[3] ?: argv[2];
- host_path = strdupa(copy_from ? dest : argv[2]);
- container_path = strdupa(copy_from ? argv[2] : dest);
-
- if (!path_is_absolute(container_path)) {
- log_error("Container path not absolute.");
- return -EINVAL;
- }
-
- t = strdupa(host_path);
- host_basename = basename(t);
- host_dirname = dirname(host_path);
-
- t = strdupa(container_path);
- container_basename = basename(t);
- container_dirname = dirname(container_path);
-
- r = machine_get_leader(bus, argv[1], &leader);
- if (r < 0)
- return r;
-
- hostfd = open(host_dirname, O_CLOEXEC|O_RDONLY|O_NOCTTY|O_DIRECTORY);
- if (r < 0)
- return log_error_errno(errno, "Failed to open source directory: %m");
-
- child = fork();
- if (child < 0)
- return log_error_errno(errno, "Failed to fork(): %m");
-
- if (child == 0) {
- int containerfd;
- const char *q;
- int mntfd;
-
- q = procfs_file_alloca(leader, "ns/mnt");
- mntfd = open(q, O_RDONLY|O_NOCTTY|O_CLOEXEC);
- if (mntfd < 0) {
- log_error_errno(errno, "Failed to open mount namespace of leader: %m");
- _exit(EXIT_FAILURE);
- }
-
- if (setns(mntfd, CLONE_NEWNS) < 0) {
- log_error_errno(errno, "Failed to join namespace of leader: %m");
- _exit(EXIT_FAILURE);
- }
-
- containerfd = open(container_dirname, O_CLOEXEC|O_RDONLY|O_NOCTTY|O_DIRECTORY);
- if (containerfd < 0) {
- log_error_errno(errno, "Failed top open destination directory: %m");
- _exit(EXIT_FAILURE);
- }
-
- if (copy_from)
- r = copy_tree_at(containerfd, container_basename, hostfd, host_basename, true);
- else
- r = copy_tree_at(hostfd, host_basename, containerfd, container_basename, true);
- if (r < 0) {
- log_error_errno(errno, "Failed to copy tree: %m");
- _exit(EXIT_FAILURE);
- }
-
- _exit(EXIT_SUCCESS);
- }
-
- r = wait_for_terminate(child, &si);
- if (r < 0)
- return log_error_errno(r, "Failed to wait for client: %m");
- if (si.si_code != CLD_EXITED) {
- log_error("Client died abnormally.");
- return -EIO;
- }
- if (si.si_status != EXIT_SUCCESS)
- return -EIO;
-