static void
parse_name(const char *guid_name, char **name, efi_guid_t *guid)
{
unsigned int guid_len = sizeof("84be9c3e-8a32-42c0-891c-4cd3b072becc");
char guid_buf[guid_len + 2];
int rc;
off_t name_pos = 0;
const char *left, *right;
left = strchr(guid_name, '{');
right = strchr(guid_name, '}');
if (left && right) {
if (right[1] != '-' || right[2] == '\0') {
bad_name:
errno = -EINVAL;
fprintf(stderr, "efivar: invalid name \"%s\"\n", guid_name);
exit(1);
}
name_pos = right + 1 - guid_name;
strncpy(guid_buf, guid_name, name_pos);
guid_buf[name_pos++] = '\0';
rc = efi_id_guid_to_guid(guid_buf, guid);
if (rc < 0)
goto bad_name;
} else {
/* it has to be at least the length of the guid, a dash, and
* one more character */
if (strlen(guid_name) < guid_len + 2)
goto bad_name;
name_pos = guid_len - 1;
if (guid_name[name_pos] != '-' || guid_name[name_pos+1] == '\0')
goto bad_name;
name_pos++;
memset(guid_buf, 0, sizeof(guid_buf));
strncpy(guid_buf, guid_name, guid_len - 1);
rc = text_to_guid(guid_buf, guid);
if (rc < 0)
goto bad_name;
}
char *name_buf = NULL;
int name_len;
name_len = strlen(guid_name + name_pos) + 1;
name_buf = calloc(1, name_len);
if (!name_buf) {
fprintf(stderr, "efivar: %m\n");
exit(1);
}
strncpy(name_buf, guid_name + name_pos, name_len);
*name = name_buf;
}
efi_str_to_guid(const char *s, efi_guid_t *guid)
{
return text_to_guid(s, guid);
}
