static BlockDriverState *bdrv_new_open(const char *filename, const char *fmt, int flags, bool require_io, bool quiet) { BlockDriverState *bs; BlockDriver *drv; char password[256]; Error *local_err = NULL; int ret; bs = bdrv_new("image"); if (fmt) { drv = bdrv_find_format(fmt); if (!drv) { error_report("Unknown file format '%s'", fmt); goto fail; } } else { drv = NULL; } ret = bdrv_open(&bs, filename, NULL, NULL, flags, drv, &local_err); if (ret < 0) { error_report("Could not open '%s': %s", filename, error_get_pretty(local_err)); error_free(local_err); goto fail; } if (bdrv_is_encrypted(bs) && require_io) { qprintf(quiet, "Disk image '%s' is encrypted.\n", filename); if (read_password(password, sizeof(password)) < 0) { error_report("No password given"); goto fail; } if (bdrv_set_key(bs, password) < 0) { error_report("invalid password"); goto fail; } } return bs; fail: bdrv_unref(bs); return NULL; }