1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
// Copyright (C) 2014-2023 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 <dhcp/pkt_filter.h>
#include <dhcp/pkt_filter_inet.h>
#include <dhcp/pkt_filter_inet6.h>
#include <dhcp/tests/iface_mgr_test_config.h>
#include <dhcp/tests/pkt_filter_test_stub.h>
#include <dhcp/tests/pkt_filter6_test_stub.h>
#include <boost/foreach.hpp>
using namespace isc::asiolink;
namespace isc {
namespace dhcp {
namespace test {
IfaceMgrTestConfig::IfaceMgrTestConfig(const bool default_config) {
IfaceMgr::instance().setTestMode(true);
IfaceMgr::instance().closeSockets();
IfaceMgr::instance().clearIfaces();
IfaceMgr::instance().getPacketQueueMgr4()->destroyPacketQueue();
IfaceMgr::instance().getPacketQueueMgr6()->destroyPacketQueue();
packet_filter4_ = PktFilterPtr(new PktFilterTestStub());
packet_filter6_ = PktFilter6Ptr(new PktFilter6TestStub());
IfaceMgr::instance().setPacketFilter(packet_filter4_);
IfaceMgr::instance().setPacketFilter(packet_filter6_);
// Create default set of fake interfaces: lo, eth0, eth1 and eth1961.
if (default_config) {
createIfaces();
}
}
IfaceMgrTestConfig::~IfaceMgrTestConfig() {
IfaceMgr::instance().stopDHCPReceiver();
IfaceMgr::instance().closeSockets();
IfaceMgr::instance().getPacketQueueMgr4()->destroyPacketQueue();
IfaceMgr::instance().getPacketQueueMgr6()->destroyPacketQueue();
IfaceMgr::instance().clearIfaces();
IfaceMgr::instance().setPacketFilter(PktFilterPtr(new PktFilterInet()));
IfaceMgr::instance().setPacketFilter(PktFilter6Ptr(new PktFilterInet6()));
IfaceMgr::instance().setTestMode(false);
IfaceMgr::instance().detectIfaces();
}
void
IfaceMgrTestConfig::addAddress(const std::string& iface_name,
const IOAddress& address) {
IfacePtr iface = IfaceMgr::instance().getIface(iface_name);
if (!iface) {
isc_throw(isc::BadValue, "interface '" << iface_name
<< "' doesn't exist");
}
iface->addAddress(address);
}
void
IfaceMgrTestConfig::addIface(const IfacePtr& iface) {
IfaceMgr::instance().addInterface(iface);
}
void
IfaceMgrTestConfig::addIface(const std::string& name,
const unsigned int ifindex) {
IfaceMgr::instance().addInterface(createIface(name, ifindex));
}
IfacePtr
IfaceMgrTestConfig::createIface(const std::string& name,
const unsigned int ifindex,
const std::string& mac) {
IfacePtr iface(new Iface(name, ifindex));
if (name == "lo") {
iface->flag_loopback_ = true;
// Don't open sockets on the loopback interface.
iface->inactive4_ = true;
iface->inactive6_ = true;
} else {
iface->inactive4_ = false;
iface->inactive6_ = false;
}
iface->flag_multicast_ = true;
// On BSD systems, the SO_BINDTODEVICE option is not supported.
// Therefore the IfaceMgr will throw an exception on attempt to
// open sockets on more than one broadcast-capable interface at
// the same time. In order to prevent this error, we mark all
// interfaces broadcast-incapable for unit testing.
iface->flag_broadcast_ = false;
iface->flag_up_ = true;
iface->flag_running_ = true;
// Set MAC address.
HWAddr hwaddr = HWAddr::fromText(mac);
std::vector<uint8_t> mac_vec = hwaddr.hwaddr_;
iface->setMac(&mac_vec[0], mac_vec.size());
iface->setHWType(HTYPE_ETHER);
return (iface);
}
void
IfaceMgrTestConfig::createIfaces() {
// local loopback
addIface("lo", LO_INDEX);
addAddress("lo", IOAddress("127.0.0.1"));
addAddress("lo", IOAddress("::1"));
// eth0
addIface("eth0", ETH0_INDEX);
addAddress("eth0", IOAddress("10.0.0.1"));
addAddress("eth0", IOAddress("fe80::3a60:77ff:fed5:cdef"));
addAddress("eth0", IOAddress("2001:db8:1::1"));
// eth1
addIface("eth1", ETH1_INDEX);
addAddress("eth1", IOAddress("192.0.2.3"));
addAddress("eth1", IOAddress("192.0.2.5"));
addAddress("eth1", IOAddress("fe80::3a60:77ff:fed5:abcd"));
// eth1961
addIface("eth1961", ETH1961_INDEX);
addAddress("eth1961", IOAddress("198.51.100.1"));
addAddress("eth1961", IOAddress("fe80::3a60:77ff:fed5:9876"));
}
void
IfaceMgrTestConfig::setDirectResponse(const bool direct_resp) {
boost::shared_ptr<PktFilterTestStub> stub =
boost::dynamic_pointer_cast<PktFilterTestStub>(getPacketFilter4());
if (!stub) {
isc_throw(isc::Unexpected, "unable to set direct response capability for"
" test packet filter - current packet filter is not"
" of a PktFilterTestStub");
}
stub->direct_response_supported_ = direct_resp;
}
void
IfaceMgrTestConfig::setIfaceFlags(const std::string& name,
const FlagLoopback& loopback,
const FlagUp& up,
const FlagRunning& running,
const FlagInactive4& inactive4,
const FlagInactive6& inactive6) {
IfacePtr iface = IfaceMgr::instance().getIface(name);
if (iface == NULL) {
isc_throw(isc::BadValue, "interface '" << name << "' doesn't exist");
}
iface->flag_loopback_ = loopback.flag_;
iface->flag_up_ = up.flag_;
iface->flag_running_ = running.flag_;
iface->inactive4_ = inactive4.flag_;
iface->inactive6_ = inactive6.flag_;
}
bool
IfaceMgrTestConfig::socketOpen(const std::string& iface_name,
const int family) const {
IfacePtr iface = IfaceMgr::instance().getIface(iface_name);
if (iface == NULL) {
isc_throw(Unexpected, "No such interface '" << iface_name << "'");
}
BOOST_FOREACH(SocketInfo sock, iface->getSockets()) {
if (sock.family_ == family) {
return (true);
}
}
return (false);
}
bool
IfaceMgrTestConfig::socketOpen(const std::string& iface_name,
const std::string& address) const {
IfacePtr iface = IfaceMgr::instance().getIface(iface_name);
if (!iface) {
isc_throw(Unexpected, "No such interface '" << iface_name << "'");
}
BOOST_FOREACH(SocketInfo sock, iface->getSockets()) {
if ((sock.family_ == AF_INET) &&
(sock.addr_ == IOAddress(address))) {
return (true);
}
}
return (false);
}
bool
IfaceMgrTestConfig::unicastOpen(const std::string& iface_name) const {
IfacePtr iface = IfaceMgr::instance().getIface(iface_name);
if (!iface) {
isc_throw(Unexpected, "No such interface '" << iface_name << "'");
}
BOOST_FOREACH(SocketInfo sock, iface->getSockets()) {
if ((!sock.addr_.isV6LinkLocal()) &&
(!sock.addr_.isV6Multicast())) {
return (true);
}
}
return (false);
}
} // end of namespace isc::dhcp::test
} // end of namespace isc::dhcp
} // end of namespace isc
|
