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[4317] DHCPv4 server may search host reservations using client-id.

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This commit is contained in:
Marcin Siodelski
2016-06-03 13:43:08 +02:00
parent 1bd8b4a26c
commit 6d1648ed3e
3 changed files with 46 additions and 7 deletions
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10
src/bin/dhcp4/dhcp4_srv.cc
View File

@@ -269,7 +269,6 @@ Dhcpv4Exchange::setHostIdentifiers() {
std::vector<uint8_t>(vec.begin() + 5,
vec.end()));
}
/// @todo Add support for other client identifiers (see #4317).
}
}
break;
@@ -289,6 +288,15 @@ Dhcpv4Exchange::setHostIdentifiers() {
}
break;
case Host::IDENT_CLIENT_ID:
if (context_->clientid_) {
const std::vector<uint8_t>& vec = context_->clientid_->getDuid();
if (!vec.empty()) {
context_->addHostIdentifier(id_type, vec);
}
}
break;
default:
;
}

39
src/bin/dhcp4/tests/dora_unittest.cc
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@@ -147,6 +147,10 @@ const char* DORA_CONFIGS[] = {
" {"
" \"circuit-id\": \"'charter950'\","
" \"ip-address\": \"10.0.0.9\""
" },"
" {"
" \"client-id\": \"01:11:22:33:44:55:66\","
" \"ip-address\": \"10.0.0.1\""
" }"
" ]"
"} ]"
@@ -173,7 +177,8 @@ const char* DORA_CONFIGS[] = {
"{ \"interfaces-config\": {"
" \"interfaces\": [ \"*\" ]"
"},"
"\"host-reservation-identifiers\": [ \"circuit-id\", \"hw-address\", \"duid\" ],"
"\"host-reservation-identifiers\": [ \"circuit-id\", \"hw-address\","
" \"duid\", \"client-id\" ],"
"\"valid-lifetime\": 600,"
"\"subnet4\": [ { "
" \"subnet\": \"10.0.0.0/24\", "
@@ -190,6 +195,10 @@ const char* DORA_CONFIGS[] = {
" {"
" \"circuit-id\": \"'charter950'\","
" \"ip-address\": \"10.0.0.9\""
" },"
" {"
" \"client-id\": \"01:11:22:33:44:55:66\","
" \"ip-address\": \"10.0.0.1\""
" }"
" ]"
"} ]"
@@ -199,7 +208,8 @@ const char* DORA_CONFIGS[] = {
"{ \"interfaces-config\": {"
" \"interfaces\": [ \"*\" ]"
"},"
"\"host-reservation-identifiers\": [ \"duid\", \"circuit-id\", \"hw-address\" ],"
"\"host-reservation-identifiers\": [ \"duid\", \"client-id\","
" \"circuit-id\", \"hw-address\" ],"
"\"valid-lifetime\": 600,"
"\"subnet4\": [ { "
" \"subnet\": \"10.0.0.0/24\", "
@@ -216,6 +226,10 @@ const char* DORA_CONFIGS[] = {
" {"
" \"circuit-id\": \"'charter950'\","
" \"ip-address\": \"10.0.0.9\""
" },"
" {"
" \"client-id\": \"01:11:22:33:44:55:66\","
" \"ip-address\": \"10.0.0.1\""
" }"
" ]"
"} ]"
@@ -852,7 +866,7 @@ TEST_F(DORATest, hostIdentifiersOrder) {
// Reconfigure the server to change the preference order of the
// host identifiers. The 'circuit-id' should now take precedence over
// the hw-address and duid.
// the hw-address, duid and client-id.
configure(DORA_CONFIGS[4], *client.getServer());
ASSERT_NO_THROW(client.doDORA(boost::shared_ptr<
IOAddress>(new IOAddress("0.0.0.0"))));
@@ -866,7 +880,7 @@ TEST_F(DORATest, hostIdentifiersOrder) {
// Reconfigure the server to change the preference order of the
// host identifiers. The 'duid' should now take precedence over
// the hw-address and circuit-id
// the client-id, hw-address and circuit-id
configure(DORA_CONFIGS[5], *client.getServer());
ASSERT_NO_THROW(client.doDORA(boost::shared_ptr<
IOAddress>(new IOAddress("0.0.0.0"))));
@@ -877,6 +891,23 @@ TEST_F(DORATest, hostIdentifiersOrder) {
ASSERT_EQ(DHCPACK, static_cast<int>(resp->getType()));
// Make sure that the client has got the lease for the reserved address.
ASSERT_EQ("10.0.0.8", client.config_.lease_.addr_.toText());
// Replace the client identifier with the one for which address
// 10.0.0.1 is reserved. Because the DUID is a special type of
// client identifier, this change effectively removes the association
// of the client with the DUID for which address 10.0.0.8 is reserved.
// The next identifier type to be used by the server (after DUID) is
// client-id and thus the server should assign address 10.0.0.1.
client.includeClientId("01:11:22:33:44:55:66");
ASSERT_NO_THROW(client.doDORA(boost::shared_ptr<
IOAddress>(new IOAddress("0.0.0.0"))));
// Make sure that the server responded.
ASSERT_TRUE(client.getContext().response_);
resp = client.getContext().response_;
// Make sure that the server has responded with DHCPACK.
ASSERT_EQ(DHCPACK, static_cast<int>(resp->getType()));
// Make sure that the client has got the lease for the reserved address.
ASSERT_EQ("10.0.0.1", client.config_.lease_.addr_.toText());
}
// This test checks that setting the match-client-id value to false causes

4
src/lib/dhcpsrv/tests/host_reservation_parser_unittest.cc
View File

@@ -864,7 +864,7 @@ TEST_F(HostReservationIdsParserTest, dhcp4Identifiers) {
ConstCfgHostOperationsPtr cfg = CfgMgr::instance().getStagingCfg()->
getCfgHostOperations4();
const CfgHostOperations::IdentifierTypes& ids = cfg->getIdentifierTypes();
ASSERT_EQ(3, ids.size());
ASSERT_EQ(4, ids.size());
CfgHostOperations::IdentifierTypes::const_iterator id = ids.begin();
EXPECT_EQ(*id++, Host::IDENT_CIRCUIT_ID);
@@ -920,7 +920,7 @@ TEST_F(HostReservationIdsParserTest, dhcp4AutoIdentifiers) {
ConstCfgHostOperationsPtr cfg = CfgMgr::instance().getStagingCfg()->
getCfgHostOperations4();
const CfgHostOperations::IdentifierTypes& ids = cfg->getIdentifierTypes();
ASSERT_EQ(3, ids.size());
ASSERT_EQ(4, ids.size());
CfgHostOperations::IdentifierTypes::const_iterator id = ids.begin();
EXPECT_EQ(*id++, Host::IDENT_HWADDR);