static int unpack_cmd(int argc, char *argv[])
{
struct option opts[toc_entries_len + 3];
char file[FILENAME_MAX], outdir[PATH_MAX] = { 0 };
toc_entry_t *toc_entry;
int fflag = 0;
int unpack_all = 1;
int i;
if (argc < 2)
unpack_usage();
i = fill_common_opts(opts, required_argument);
add_opt(opts, i, "force", no_argument, 'f');
add_opt(opts, ++i, "out", required_argument, 'o');
add_opt(opts, ++i, NULL, 0, 0);
while (1) {
int c, opt_index;
c = getopt_long(argc, argv, "fo:", opts, &opt_index);
if (c == -1)
break;
switch (c) {
case OPT_TOC_ENTRY:
unpack_all = 0;
toc_entry = &toc_entries[opt_index];
toc_entry->action = DO_UNPACK;
toc_entry->action_arg = strdup(optarg);
if (toc_entry->action_arg == NULL)
log_err("strdup");
break;
case 'f':
fflag = 1;
break;
case 'o':
snprintf(outdir, sizeof(outdir), "%s", optarg);
break;
default:
unpack_usage();
}
}
argc -= optind;
argv += optind;
if (argc == 0)
unpack_usage();
parse_fip(argv[0], NULL);
if (outdir[0] != '\0')
if (chdir(outdir) == -1)
log_err("chdir %s", outdir);
/* Unpack all specified images. */
for (toc_entry = toc_entries;
toc_entry->cmdline_name != NULL;
toc_entry++) {
image_t *image;
if (!unpack_all && toc_entry->action != DO_UNPACK)
continue;
/* Build filename. */
if (toc_entry->action_arg == NULL)
snprintf(file, sizeof(file), "%s.bin",
toc_entry->cmdline_name);
else
snprintf(file, sizeof(file), "%s",
toc_entry->action_arg);
image = lookup_image_from_uuid(&toc_entry->uuid);
if (image == NULL) {
if (!unpack_all)
log_warnx("Requested image %s is not in %s",
file, argv[0]);
free(toc_entry->action_arg);
toc_entry->action_arg = NULL;
continue;
}
if (access(file, F_OK) != 0 || fflag) {
if (verbose)
log_dbgx("Unpacking %s", file);
write_image_to_file(image, file);
} else {
log_warnx("File %s already exists, use --force to overwrite it",
file);
}
free(toc_entry->action_arg);
toc_entry->action_arg = NULL;
}
free_images();
return 0;
}
static int unpack_cmd(int argc, char *argv[])
{
struct option *opts = NULL;
size_t nr_opts = 0;
char outdir[PATH_MAX] = { 0 };
image_desc_t *desc;
int fflag = 0;
int unpack_all = 1;
if (argc < 2)
unpack_usage();
opts = fill_common_opts(opts, &nr_opts, required_argument);
opts = add_opt(opts, &nr_opts, "blob", required_argument, 'b');
opts = add_opt(opts, &nr_opts, "force", no_argument, 'f');
opts = add_opt(opts, &nr_opts, "out", required_argument, 'o');
opts = add_opt(opts, &nr_opts, NULL, 0, 0);
while (1) {
int c, opt_index = 0;
c = getopt_long(argc, argv, "b:fo:", opts, &opt_index);
if (c == -1)
break;
switch (c) {
case OPT_TOC_ENTRY: {
image_desc_t *desc;
desc = lookup_image_desc_from_opt(opts[opt_index].name);
set_image_desc_action(desc, DO_UNPACK, optarg);
unpack_all = 0;
break;
}
case 'b': {
char name[_UUID_STR_LEN + 1];
char filename[PATH_MAX] = { 0 };
uuid_t uuid = { 0 };
image_desc_t *desc;
parse_blob_opt(optarg, &uuid,
filename, sizeof(filename));
if (memcmp(&uuid, &uuid_null, sizeof(uuid_t)) == 0 ||
filename[0] == '\0')
unpack_usage();
desc = lookup_image_desc_from_uuid(&uuid);
if (desc == NULL) {
uuid_to_str(name, sizeof(name), &uuid);
desc = new_image_desc(&uuid, name, "blob");
add_image_desc(desc);
}
set_image_desc_action(desc, DO_UNPACK, filename);
unpack_all = 0;
break;
}
case 'f':
fflag = 1;
break;
case 'o':
snprintf(outdir, sizeof(outdir), "%s", optarg);
break;
default:
unpack_usage();
}
}
argc -= optind;
argv += optind;
free(opts);
if (argc == 0)
unpack_usage();
parse_fip(argv[0], NULL);
if (outdir[0] != '\0')
if (chdir(outdir) == -1)
log_err("chdir %s", outdir);
/* Unpack all specified images. */
for (desc = image_desc_head; desc != NULL; desc = desc->next) {
char file[PATH_MAX];
image_t *image = desc->image;
if (!unpack_all && desc->action != DO_UNPACK)
continue;
/* Build filename. */
if (desc->action_arg == NULL)
snprintf(file, sizeof(file), "%s.bin",
desc->cmdline_name);
else
snprintf(file, sizeof(file), "%s",
desc->action_arg);
if (image == NULL) {
if (!unpack_all)
log_warnx("%s does not exist in %s",
file, argv[0]);
continue;
}
if (access(file, F_OK) != 0 || fflag) {
if (verbose)
log_dbgx("Unpacking %s", file);
write_image_to_file(image, file);
} else {
log_warnx("File %s already exists, use --force to overwrite it",
file);
}
}
return 0;
}
