static int builtin_blkid(struct udev_device *dev, int argc, char *argv[], bool test) {
const char *root_partition;
int64_t offset = 0;
bool noraid = false;
_cleanup_close_ int fd = -1;
_cleanup_(blkid_free_probep) blkid_probe pr = NULL;
const char *data;
const char *name;
int nvals;
int i;
int err = 0;
bool is_gpt = false;
static const struct option options[] = {
{ "offset", required_argument, NULL, 'o' },
{ "noraid", no_argument, NULL, 'R' },
{}
};
for (;;) {
int option;
option = getopt_long(argc, argv, "o:R", options, NULL);
if (option == -1)
break;
switch (option) {
case 'o':
err = safe_atoi64(optarg, &offset);
if (err < 0)
goto out;
if (offset < 0) {
err = -ERANGE;
goto out;
}
break;
case 'R':
noraid = true;
break;
}
}
pr = blkid_new_probe();
if (!pr)
return EXIT_FAILURE;
blkid_probe_set_superblocks_flags(pr,
BLKID_SUBLKS_LABEL | BLKID_SUBLKS_UUID |
BLKID_SUBLKS_TYPE | BLKID_SUBLKS_SECTYPE |
BLKID_SUBLKS_USAGE | BLKID_SUBLKS_VERSION);
if (noraid)
blkid_probe_filter_superblocks_usage(pr, BLKID_FLTR_NOTIN, BLKID_USAGE_RAID);
fd = open(udev_device_get_devnode(dev), O_RDONLY|O_CLOEXEC);
if (fd < 0) {
err = log_debug_errno(errno, "Failure opening block device %s: %m", udev_device_get_devnode(dev));
goto out;
}
err = blkid_probe_set_device(pr, fd, offset, 0);
if (err < 0)
goto out;
log_debug("probe %s %sraid offset=%"PRIi64,
udev_device_get_devnode(dev),
noraid ? "no" : "", offset);
err = probe_superblocks(pr);
if (err < 0)
goto out;
/* If we are a partition then our parent passed on the root
* partition UUID to us */
root_partition = udev_device_get_property_value(dev, "ID_PART_GPT_AUTO_ROOT_UUID");
nvals = blkid_probe_numof_values(pr);
for (i = 0; i < nvals; i++) {
if (blkid_probe_get_value(pr, i, &name, &data, NULL))
continue;
print_property(dev, test, name, data);
/* Is this a disk with GPT partition table? */
if (streq(name, "PTTYPE") && streq(data, "gpt"))
is_gpt = true;
/* Is this a partition that matches the root partition
* property we inherited from our parent? */
if (root_partition && streq(name, "PART_ENTRY_UUID") && streq(data, root_partition))
udev_builtin_add_property(dev, test, "ID_PART_GPT_AUTO_ROOT", "1");
}
if (is_gpt)
find_gpt_root(dev, pr, test);
out:
if (err < 0)
return EXIT_FAILURE;
return EXIT_SUCCESS;
}
static int builtin_blkid(struct udev_device *dev, int argc, char *argv[], bool test)
{
struct udev *udev = udev_device_get_udev(dev);
int64_t offset = 0;
bool noraid = false;
int fd = -1;
blkid_probe pr;
const char *data;
const char *name;
int nvals;
int i;
size_t len;
int err = 0;
static const struct option options[] = {
{ "offset", optional_argument, NULL, 'o' },
{ "noraid", no_argument, NULL, 'R' },
{}
};
for (;;) {
int option;
option = getopt_long(argc, argv, "oR", options, NULL);
if (option == -1)
break;
switch (option) {
case 'o':
offset = strtoull(optarg, NULL, 0);
break;
case 'R':
noraid = true;
break;
}
}
pr = blkid_new_probe();
if (!pr) {
err = -ENOMEM;
return EXIT_FAILURE;
}
blkid_probe_set_superblocks_flags(pr,
BLKID_SUBLKS_LABEL | BLKID_SUBLKS_UUID |
BLKID_SUBLKS_TYPE | BLKID_SUBLKS_SECTYPE |
BLKID_SUBLKS_USAGE | BLKID_SUBLKS_VERSION);
if (noraid)
blkid_probe_filter_superblocks_usage(pr, BLKID_FLTR_NOTIN, BLKID_USAGE_RAID);
fd = open(udev_device_get_devnode(dev), O_RDONLY|O_CLOEXEC);
if (fd < 0) {
fprintf(stderr, "error: %s: %m\n", udev_device_get_devnode(dev));
goto out;
}
err = blkid_probe_set_device(pr, fd, offset, 0);
if (err < 0)
goto out;
info(udev, "probe %s %sraid offset=%llu\n",
udev_device_get_devnode(dev),
noraid ? "no" : "", (unsigned long long) offset);
err = probe_superblocks(pr);
if (err < 0)
goto out;
nvals = blkid_probe_numof_values(pr);
for (i = 0; i < nvals; i++) {
if (blkid_probe_get_value(pr, i, &name, &data, &len))
continue;
len = strnlen((char *) data, len);
print_property(dev, test, name, (char *) data);
}
blkid_free_probe(pr);
out:
if (fd > 0)
close(fd);
if (err < 0)
return EXIT_FAILURE;
return EXIT_SUCCESS;
}
