int delete_static_route(struct request_bib *req)
{
struct bib_entry *bib;
int error = 0;
if (req->remove.addr6_set) {
error = bibdb_get_by_ipv6(&req->remove.addr6, req->l4_proto, &bib);
} else if (req->remove.addr4_set) {
error = bibdb_get_by_ipv4(&req->remove.addr4, req->l4_proto, &bib);
} else {
log_err("You need to provide an address so I can find the entry you want to remove.");
return -EINVAL;
}
if (error == -ESRCH) {
log_err("Could not find the BIB entry requested by the user.");
return error;
}
if (error)
return error;
if (req->remove.addr6_set && req->remove.addr4_set) {
if (!ipv4_transport_addr_equals(&bib->ipv4, &req->remove.addr4)) {
log_err("There's no BIB entry with BOTH of the addresses you requested.");
bib_return(bib);
return -ESRCH;
}
}
/* Remove the fake user. */
if (bib->is_static) {
bib_return(bib);
bib->is_static = false;
}
/* Remove bib's sessions and their references. */
error = sessiondb_delete_by_bib(bib);
if (error) {
bib_return(bib);
return error;
}
/* Remove our own reference. If it was the last one, the entry should be no more. */
if (bib_return(bib) == 0) {
log_err("Looks like some packet was using the BIB entry, "
"so it couldn't be deleted immediately. If the entry still exists, "
"you might want to try again.");
return -EAGAIN;
}
return 0;
}
int delete_static_route(struct request_bib *request)
{
struct ipv4_transport_addr *req4 = &request->rm.addr4;
struct ipv6_transport_addr *req6 = &request->rm.addr6;
struct bib_entry *bib;
int error = 0;
if (request->rm.addr6_set) {
error = bibdb_get6(req6, request->l4_proto, &bib);
} else if (request->rm.addr4_set) {
error = bibdb_get4(req4, request->l4_proto, &bib);
} else {
log_err("You need to provide an address so I can find the "
"entry you want to remove.");
return -EINVAL;
}
if (error == -ESRCH) {
log_err("The entry wasn't in the database.");
return error;
}
if (error)
return error;
if (request->rm.addr6_set && request->rm.addr4_set) {
if (!ipv4_transport_addr_equals(&bib->ipv4, req4)) {
log_err("%pI6c#%u is mapped to %pI4#%u, not %pI4#%u.",
&bib->ipv6.l3, bib->ipv6.l4,
&bib->ipv4.l3, bib->ipv4.l4,
&req4->l3, req4->l4);
bibdb_return(bib);
return -ESRCH;
}
}
/* Remove the fake user. */
if (bib->is_static) {
bibdb_return(bib);
bib->is_static = false;
}
/* Remove bib's sessions and their references. */
error = sessiondb_delete_by_bib(bib);
if (error) {
bibdb_return(bib);
return error;
}
/* Remove our own reference. */
bibdb_return(bib);
return 0;
}
