#include "exfat_ondisk.h"
#include "libexfat.h"
+#include "exfat_fs.h"
static void usage(void)
{
fprintf(stderr, "Usage: tune.exfat\n");
fprintf(stderr, "\t-l | --print-label Print volume label\n");
fprintf(stderr, "\t-L | --set-label=label Set volume label\n");
+ fprintf(stderr, "\t-u | --print-guid Print volume GUID\n");
+ fprintf(stderr, "\t-U | --set-guid=guid Set volume GUID\n");
fprintf(stderr, "\t-i | --print-serial Print volume serial\n");
- fprintf(stderr, "\t-L | --set-serial=value Set volume serial\n");
+ fprintf(stderr, "\t-I | --set-serial=value Set volume serial\n");
fprintf(stderr, "\t-V | --version Show version\n");
fprintf(stderr, "\t-v | --verbose Print debug\n");
fprintf(stderr, "\t-h | --help Show help\n");
static struct option opts[] = {
{"print-label", no_argument, NULL, 'l' },
{"set-label", required_argument, NULL, 'L' },
+ {"print-guid", no_argument, NULL, 'u' },
+ {"set-guid", required_argument, NULL, 'U' },
{"print-serial", no_argument, NULL, 'i' },
{"set-serial", required_argument, NULL, 'I' },
{"version", no_argument, NULL, 'V' },
{
int c;
int ret = EXIT_FAILURE;
+ unsigned long volume_serial;
struct exfat_blk_dev bd;
struct exfat_user_input ui;
bool version_only = false;
int flags = 0;
char label_input[VOLUME_LABEL_BUFFER_SIZE];
- off_t root_clu_off;
+ struct exfat *exfat = NULL;
+ struct pbr *bs;
init_user_input(&ui);
exfat_err("failed to init locale/codeset\n");
opterr = 0;
- while ((c = getopt_long(argc, argv, "I:iL:lVvh", opts, NULL)) != EOF)
+ while ((c = getopt_long(argc, argv, "I:iL:lU:uVvh", opts, NULL)) != EOF)
switch (c) {
case 'l':
flags = EXFAT_GET_VOLUME_LABEL;
optarg);
flags = EXFAT_SET_VOLUME_LABEL;
break;
+ case 'u':
+ flags = EXFAT_GET_VOLUME_GUID;
+ break;
+ case 'U':
+ if (*optarg != '\0' && *optarg != '\r')
+ ui.guid = optarg;
+ flags = EXFAT_SET_VOLUME_GUID;
+ break;
case 'i':
flags = EXFAT_GET_VOLUME_SERIAL;
break;
case 'I':
- ui.volume_serial = strtoul(optarg, NULL, 0);
+ ret = exfat_parse_ulong(optarg, &volume_serial);
+ if (volume_serial > UINT_MAX)
+ ret = -ERANGE;
+
+
+ if (ret < 0) {
+ exfat_err("invalid serial number(%s)\n", optarg);
+ goto out;
+ }
+
+ ui.volume_serial = volume_serial;
flags = EXFAT_SET_VOLUME_SERIAL;
break;
case 'V':
/* Mode to change or display volume serial */
if (flags == EXFAT_GET_VOLUME_SERIAL) {
- ret = exfat_show_volume_serial(&bd, &ui);
+ ret = exfat_show_volume_serial(bd.dev_fd);
goto close_fd_out;
} else if (flags == EXFAT_SET_VOLUME_SERIAL) {
ret = exfat_set_volume_serial(&bd, &ui);
goto close_fd_out;
}
- root_clu_off = exfat_get_root_entry_offset(&bd);
- if (root_clu_off < 0)
+ ret = read_boot_sect(&bd, &bs);
+ if (ret)
+ goto close_fd_out;
+
+ exfat = exfat_alloc_exfat(&bd, bs);
+ if (!exfat) {
+ ret = -ENOMEM;
goto close_fd_out;
+ }
+
+ exfat->root = exfat_alloc_inode(ATTR_SUBDIR);
+ if (!exfat->root) {
+ ret = -ENOMEM;
+ goto close_fd_out;
+ }
+
+ exfat->root->first_clus = le32_to_cpu(exfat->bs->bsx.root_cluster);
+ if (exfat_root_clus_count(exfat)) {
+ exfat_err("failed to follow the cluster chain of root\n");
+ exfat_free_inode(exfat->root);
+ ret = -EINVAL;
+ goto close_fd_out;
+ }
if (flags == EXFAT_GET_VOLUME_LABEL)
- ret = exfat_show_volume_label(&bd, root_clu_off);
+ ret = exfat_read_volume_label(exfat);
else if (flags == EXFAT_SET_VOLUME_LABEL)
- ret = exfat_set_volume_label(&bd, label_input, root_clu_off);
+ ret = exfat_set_volume_label(exfat, label_input);
+ else if (flags == EXFAT_GET_VOLUME_GUID)
+ ret = exfat_read_volume_guid(exfat);
+ else if (flags == EXFAT_SET_VOLUME_GUID)
+ ret = exfat_set_volume_guid(exfat, ui.guid);
+
close_fd_out:
close(bd.dev_fd);
+ if (exfat)
+ exfat_free_exfat(exfat);
out:
return ret;
}