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// Copyright (C) 2014-2024 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include <config.h>
#include <dhcpsrv/cfg_mac_source.h>
#include <exceptions/exceptions.h>
#include <dhcp/hwaddr.h>
using namespace isc::data;
namespace {
using namespace isc::dhcp;
struct {
const char * name;
uint32_t type;
} sources[] = {
{ "any", HWAddr::HWADDR_SOURCE_ANY },
{ "raw", HWAddr::HWADDR_SOURCE_RAW },
{ "duid", HWAddr::HWADDR_SOURCE_DUID },
{ "ipv6-link-local", HWAddr::HWADDR_SOURCE_IPV6_LINK_LOCAL },
{ "client-link-addr-option", HWAddr::HWADDR_SOURCE_CLIENT_ADDR_RELAY_OPTION },
{ "rfc6939", HWAddr::HWADDR_SOURCE_CLIENT_ADDR_RELAY_OPTION },
{ "remote-id", HWAddr::HWADDR_SOURCE_REMOTE_ID },
{ "rfc4649", HWAddr::HWADDR_SOURCE_REMOTE_ID },
{ "subscriber-id", HWAddr::HWADDR_SOURCE_SUBSCRIBER_ID },
{ "rfc4580", HWAddr::HWADDR_SOURCE_SUBSCRIBER_ID },
{ "docsis-cmts", HWAddr::HWADDR_SOURCE_DOCSIS_CMTS },
{ "docsis-modem", HWAddr::HWADDR_SOURCE_DOCSIS_MODEM }
};
};
namespace isc {
namespace dhcp {
CfgMACSource::CfgMACSource() {
// By default, use any hardware source that is available.
mac_sources_.push_back(HWAddr::HWADDR_SOURCE_ANY);
}
uint32_t CfgMACSource::MACSourceFromText(const std::string& name) {
for (unsigned i = 0; i < sizeof(sources)/sizeof(sources[0]); ++i) {
if (name.compare(sources[i].name) == 0) {
return (sources[i].type);
}
}
isc_throw(BadValue, "Can't convert '" << name << "' to any known MAC source.");
}
void CfgMACSource::add(uint32_t source) {
for (auto const& it : mac_sources_) {
if (it == source) {
isc_throw(InvalidParameter, "mac-source parameter " << source
<< "' specified twice.");
}
}
mac_sources_.push_back(source);
}
ElementPtr CfgMACSource::toElement() const {
ElementPtr result = Element::createList();
for (auto const& source : mac_sources_) {
std::string name;
for (unsigned i = 0; i < sizeof(sources)/sizeof(sources[0]); ++i) {
if (sources[i].type == source) {
name = sources[i].name;
break;
}
}
if (name.empty()) {
isc_throw(ToElementError, "invalid MAC source: " << source);
}
result->add(Element::create(name));
}
// @todo check if the list is empty (including a new unit test)
return (result);
}
}
}
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