static int fill_opts(void)
{
static char _device[PATH_MAX];
static char _mount_point[PATH_MAX];
if (device && mount_point)
return 0;
if (disk_descriptor) {
int ret;
struct ploop_disk_images_data *di;
ret = read_dd(&di, disk_descriptor);
if (ret)
return ret;
ret = ploop_get_dev(di, _device, sizeof(_device));
ploop_free_diskdescriptor(di);
if (ret < 0)
return SYSEXIT_PARAM;
if (ret == 1) {
fprintf(stderr, "The image is not mounted\n");
return SYSEXIT_PARAM;
}
device = _device;
}
if (!device && mount_point) {
if (ploop_get_dev_by_mnt(mount_point, _device, sizeof(_device))) {
fprintf(stderr, "Unable to find ploop device by %s\n", mount_point);
return SYSEXIT_PARAM;
}
device = _device;
return 0;
}
if (!mount_point && device) {
if (ploop_get_mnt_by_dev(device, _mount_point, sizeof(_mount_point))) {
fprintf(stderr, "Unable to find mount point for %s\n", device);
return SYSEXIT_PARAM;
}
mount_point = _mount_point;
return 0;
}
fprintf(stderr, "Error: one of -d, -m or DiskDescriptor.xml argument is required\n");
return 1;
}
static int plooptool_info(int argc, char **argv)
{
int ret, i;
int spec = 0;
int device = 0;
struct ploop_info info = {};
while ((i = getopt(argc, argv, "sd")) != EOF) {
switch (i) {
case 's':
spec = 1;
break;
case 'd':
device = 1;
break;
default:
usage_info();
return SYSEXIT_PARAM;
}
}
argc -= optind;
argv += optind;
if (argc != 1 || !is_xml_fname(argv[0])) {
usage_info();
return SYSEXIT_PARAM;
}
if (spec || device) {
struct ploop_disk_images_data *di;
ret = ploop_open_dd(&di, argv[0]);
if (ret)
return ret;
if (spec) {
struct ploop_spec spec = {};
ret = ploop_get_spec(di, &spec);
if (ret)
goto exit;
printf("size:\t\t%llu\nblocksize:\t%d\nfmt_version:\t%d\n",
(unsigned long long)spec.size,
spec.blocksize,
spec.fmt_version);
}
if (device) {
char dev[PATH_MAX] = {};
if (ploop_get_dev(di, dev, sizeof(dev)) == -1) {
ret = SYSEXIT_SYS;
goto exit;
}
printf("device:\t\t%s\n", dev);
}
exit:
ploop_close_dd(di);
} else {
ret = ploop_get_info_by_descr(argv[0], &info);
if (ret == 0)
print_info(&info);
}
return ret;
}
