static int handle_pool6_config(struct nlmsghdr *nl_hdr, struct request_hdr *jool_hdr,
union request_pool6 *request)
{
__u64 count;
int error;
switch (jool_hdr->operation) {
case OP_DISPLAY:
return handle_pool6_display(nl_hdr, request);
case OP_COUNT:
log_debug("Returning IPv6 prefix count.");
error = pool6_count(&count);
if (error)
return respond_error(nl_hdr, error);
return respond_setcfg(nl_hdr, &count, sizeof(count));
case OP_ADD:
case OP_UPDATE:
if (verify_superpriv())
return respond_error(nl_hdr, -EPERM);
log_debug("Adding a prefix to the IPv6 pool.");
return respond_error(nl_hdr, pool6_add(&request->add.prefix));
case OP_REMOVE:
if (verify_superpriv())
return respond_error(nl_hdr, -EPERM);
log_debug("Removing a prefix from the IPv6 pool.");
error = pool6_remove(&request->remove.prefix);
if (error)
return respond_error(nl_hdr, error);
if (nat64_is_stateful() && !request->flush.quick)
error = sessiondb_delete_by_prefix6(&request->remove.prefix);
return respond_error(nl_hdr, error);
case OP_FLUSH:
if (verify_superpriv())
return respond_error(nl_hdr, -EPERM);
log_debug("Flushing the IPv6 pool...");
error = pool6_flush();
if (error)
return respond_error(nl_hdr, error);
if (nat64_is_stateful() && !request->flush.quick)
error = sessiondb_flush();
return respond_error(nl_hdr, error);
default:
log_err("Unknown operation: %d", jool_hdr->operation);
return respond_error(nl_hdr, -EINVAL);
}
}
static int handle_pool4_flush(struct nlmsghdr *nl_hdr, union request_pool4 *request)
{
int error;
if (verify_superpriv())
return respond_error(nl_hdr, -EPERM);
log_debug("Flushing the IPv4 pool...");
error = pool4db_flush();
/*
* Well, pool4db_flush only errors on memory allocation failures,
* so I guess clearing BIB and session even if pool4db_flush fails
* is a good idea.
*/
if (xlat_is_nat64() && !request->flush.quick) {
sessiondb_flush();
bibdb_flush();
}
return respond_error(nl_hdr, error);
}
