/**
* Inserts a single entry, validates it, removes it, validates again.
* Does not touch the session tables.
*/
static bool simple_bib(void)
{
struct ipv4_transport_addr addr = addr4[0];
struct bib_entry *bib;
bool success = true;
if (is_error(pool4_get_any_port(L4PROTO_TCP, &addr.l3, &addr.l4)))
return false;
bib = bib_create(&addr, &addr6[0], false, L4PROTO_TCP);
if (!assert_not_null(bib, "Allocation of test BIB entry"))
return false;
success &= assert_equals_int(0, bibdb_add(bib), "BIB insertion call");
success &= assert_bib("BIB insertion state", bib, false, true, false);
if (!success)
return false;
success &= assert_equals_int(0, bibdb_remove(bib, false), "BIB removal call");
success &= assert_bib("BIB removal state", bib, false, false, false);
if (!success)
return false;
bib_kfree(bib);
return success;
}
int add_static_route(struct request_bib *request)
{
struct bib_entry *bib = NULL;
int error;
if (!pool4db_contains(request->l4_proto, &request->add.addr4)) {
log_err("The transport address '%pI4#%u' does not belong to "
"the IPv4 pool. Please add it there first.",
&request->add.addr4.l3, request->add.addr4.l4);
return -EINVAL;
}
error = bibdb_get4(&request->add.addr4, request->l4_proto, &bib);
error = validate_bib(error, bib);
if (error)
return error;
error = bibdb_get6(&request->add.addr6, request->l4_proto, &bib);
error = validate_bib(error, bib);
if (error)
return error;
bib = bibentry_create(&request->add.addr4, &request->add.addr6, true,
request->l4_proto);
if (!bib) {
log_err("Could not allocate the BIB entry.");
return -ENOMEM;
}
error = bibdb_add(bib);
if (error) {
log_err("The BIB entry could not be added to the database, "
"despite validations. This can happen if a "
"conflicting entry appeared while I was "
"trying to insert. Try again.");
bibentry_kfree(bib);
return error;
}
/*
* We do not call bib_return(bib) here, because we want the entry to
* hold a fake user so the timer doesn't delete it.
*/
return 0;
}
int add_static_route(struct request_bib *req)
{
struct bib_entry *bib = NULL;
int error;
error = pool4_get(req->l4_proto, &req->add.addr4);
if (error) {
log_err("The IPv4 address and port could not be reserved from the pool. "
"Maybe the IPv4 address you provided does not belong to the pool. "
"Or maybe they're being used by some other BIB entry?");
return error;
}
bib = bib_create(&req->add.addr4, &req->add.addr6, true, req->l4_proto);
if (!bib) {
log_err("Could not allocate the BIB entry.");
error = -ENOMEM;
goto bib_error;
}
error = bibdb_add(bib);
if (error) {
log_err("The BIB entry could not be added to the database. Maybe an entry with the "
"same IPv4 and/or IPv6 transport address already exists?");
bib_kfree(bib);
goto bib_error;
}
/*
* We do not call bib_return(bib) here, because we want the entry to hold a fake user so the
* timer doesn't delete it.
*/
return 0;
bib_error:
pool4_return(req->l4_proto, &req->add.addr4);
return error;
}
