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
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
|
/*
* Copyright (c) 2019 PANTHEON.tech.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.fd.hc2vpp.ipsec.write;
import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
import io.fd.hc2vpp.common.translate.util.Ipv4Translator;
import io.fd.hc2vpp.common.translate.util.Ipv6Translator;
import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
import io.fd.hc2vpp.common.translate.util.MultiNamingContext;
import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
import io.fd.honeycomb.translate.write.WriteContext;
import io.fd.honeycomb.translate.write.WriteFailedException;
import io.fd.vpp.jvpp.core.dto.IpsecSadEntryAddDel;
import io.fd.vpp.jvpp.core.dto.IpsecSadEntryAddDelReply;
import io.fd.vpp.jvpp.core.future.FutureJVppCore;
import io.fd.vpp.jvpp.core.types.IpsecCryptoAlg;
import io.fd.vpp.jvpp.core.types.IpsecIntegAlg;
import io.fd.vpp.jvpp.core.types.IpsecProto;
import io.fd.vpp.jvpp.core.types.IpsecSadEntry;
import io.fd.vpp.jvpp.core.types.IpsecSadFlags;
import io.fd.vpp.jvpp.core.types.Key;
import java.util.concurrent.CompletionStage;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.http.fd.io.hc2vpp.yang.vpp.ipsec.rev181213.IpsecSadEntriesAugmentation;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.IpsecMode;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.ip.address.grouping.IpAddress;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.ip.address.grouping.ip.address.Ipv4Address;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.ip.address.grouping.ip.address.Ipv6Address;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.ipsec.sa.ah.grouping.Ah;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.ipsec.sa.ah.grouping.ah.AuthenticationAlgorithm;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.ipsec.sa.esp.grouping.Esp;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.ipsec.sa.esp.grouping.esp.authentication.authentication.algorithm.HmacMd596;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.ipsec.sa.esp.grouping.esp.authentication.authentication.algorithm.HmacSha196;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.ipsec.sa.esp.grouping.esp.encryption.EncryptionAlgorithm;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.ipsec.sa.esp.grouping.esp.encryption.encryption.algorithm.Aes128Cbc;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.ipsec.sa.esp.grouping.esp.encryption.encryption.algorithm.Aes192Cbc;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.ipsec.sa.esp.grouping.esp.encryption.encryption.algorithm.Aes256Cbc;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.ipsec.sa.esp.grouping.esp.encryption.encryption.algorithm.DesCbc;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.ipsec.sad.SadEntries;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.ipsec.sad.SadEntriesKey;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class IpsecSadEntryCustomizer extends FutureJVppCustomizer
implements ListWriterCustomizer<SadEntries, SadEntriesKey>,
JvppReplyConsumer, ByteDataTranslator, Ipv6Translator, Ipv4Translator {
private static final Logger LOG = LoggerFactory.getLogger(IpsecSadEntryCustomizer.class);
private MultiNamingContext sadEntryMapping;
IpsecSadEntryCustomizer(final FutureJVppCore vppApi, final MultiNamingContext sadEntryMapping) {
super(vppApi);
this.sadEntryMapping = sadEntryMapping;
}
@Override
public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<SadEntries> id,
@Nonnull final SadEntries dataAfter,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
addDelEntry(id, dataAfter, writeContext, true);
}
@Override
public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<SadEntries> id,
@Nonnull final SadEntries dataBefore,
@Nonnull final SadEntries dataAfter, @Nonnull final WriteContext writeContext)
throws WriteFailedException {
writeCurrentAttributes(id, dataAfter, writeContext);
}
@Override
public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<SadEntries> id,
@Nonnull final SadEntries dataBefore,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
addDelEntry(id, dataBefore, writeContext, false);
}
private void addDelEntry(final InstanceIdentifier<SadEntries> id,
final SadEntries dataAfter,
final WriteContext writeContext, boolean adding) throws WriteFailedException {
final IpsecSadEntryAddDel request = new IpsecSadEntryAddDel();
request.entry = new IpsecSadEntry();
IpsecSadEntriesAugmentation augment = dataAfter.augmentation(IpsecSadEntriesAugmentation.class);
if (augment != null && augment.getSaId() != null) {
request.entry.sadId = augment.getSaId();
}
if (dataAfter.getSpi() != null) {
request.entry.spi = dataAfter.getSpi().intValue();
}
request.entry.flags = new IpsecSadFlags();
if (dataAfter.getAntiReplayWindow() != null && dataAfter.getAntiReplayWindow() > 0) {
request.entry.flags.add(IpsecSadFlags.IpsecSadFlagsOptions.IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY);
}
if (dataAfter.getSaMode() != null && dataAfter.getSaMode().equals(IpsecMode.Tunnel)) {
if (dataAfter.getSourceAddress() != null &&
dataAfter.getSourceAddress().getIpAddress() instanceof Ipv4Address) {
request.entry.flags.add(IpsecSadFlags.IpsecSadFlagsOptions.IPSEC_API_SAD_FLAG_IS_TUNNEL);
} else if (dataAfter.getSourceAddress() != null &&
dataAfter.getSourceAddress().getIpAddress() instanceof Ipv6Address) {
request.entry.flags.add(IpsecSadFlags.IpsecSadFlagsOptions.IPSEC_API_SAD_FLAG_IS_TUNNEL_V6);
}
}
request.isAdd = adding
? ByteDataTranslator.BYTE_TRUE
: ByteDataTranslator.BYTE_FALSE;
if (dataAfter.getEsp() != null) {
request.entry.protocol = IpsecProto.IPSEC_API_PROTO_ESP;
fillEspAuthentication(request, dataAfter.getEsp());
fillEspEncryption(request, dataAfter.getEsp());
} else if (dataAfter.getAh() != null) {
request.entry.protocol = IpsecProto.IPSEC_API_PROTO_AH;
fillAhAuthentication(request, dataAfter.getAh());
fillAhEncryption(request, dataAfter.getAh());
}
fillAddresses(request, dataAfter);
LOG.debug("IPSec config change id={} request={}", id, request);
final CompletionStage<IpsecSadEntryAddDelReply> ipsecSadEntryAddDellReplyFuture =
getFutureJVpp().ipsecSadEntryAddDel(request);
getReplyForWrite(ipsecSadEntryAddDellReplyFuture.toCompletableFuture(), id);
if (adding) {
sadEntryMapping.addChild(dataAfter.key().getDirection().getName(), request.entry.sadId,
String.valueOf(dataAfter.key().getSpi()), writeContext.getMappingContext());
} else {
sadEntryMapping
.removeChild(dataAfter.key().getDirection().getName(), String.valueOf(dataAfter.key().getSpi()),
writeContext.getMappingContext());
}
}
private void fillAhAuthentication(IpsecSadEntryAddDel request, Ah data) {
//0 = None, 1 = MD5-96, 2 = SHA1-96, 3 = SHA-256, 4 = SHA-384, 5=SHA-512
AuthenticationAlgorithm authAlg = data.getAuthenticationAlgorithm();
if (authAlg != null) {
String integKey;
if (authAlg instanceof org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.ipsec.sa.ah.grouping.ah.authentication.algorithm.HmacMd596) {
integKey =
((org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.ipsec.sa.ah.grouping.ah.authentication.algorithm.HmacMd596) authAlg)
.getHmacMd596().getKeyStr().stringValue();
request.entry.integrityAlgorithm = IpsecIntegAlg.IPSEC_API_INTEG_ALG_MD5_96;
} else if (authAlg instanceof org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.ipsec.sa.ah.grouping.ah.authentication.algorithm.HmacSha196) {
integKey =
((org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.ipsec.sa.ah.grouping.ah.authentication.algorithm.HmacSha196) authAlg)
.getHmacSha196().getKeyStr().stringValue();
request.entry.integrityAlgorithm = IpsecIntegAlg.IPSEC_API_INTEG_ALG_SHA1_96;
} else {
request.entry.integrityAlgorithm = IpsecIntegAlg.IPSEC_API_INTEG_ALG_NONE;
return;
}
request.entry.integrityKey = new Key();
request.entry.integrityKey.data = integKey.getBytes();
request.entry.integrityKey.length = (byte) integKey.getBytes().length;
request.entry.cryptoKey = new Key();
request.entry.cryptoKey.data = null;
request.entry.cryptoKey.length = 0 ;
}
}
private void fillAhEncryption(IpsecSadEntryAddDel request, Ah data) {
request.entry.cryptoAlgorithm = IpsecCryptoAlg.IPSEC_API_CRYPTO_ALG_NONE;
request.entry.cryptoKey = new Key();
request.entry.cryptoKey.data = null;
request.entry.cryptoKey.length = 0;
}
private void fillEspAuthentication(IpsecSadEntryAddDel request, Esp data) {
//0 = None, 1 = MD5-96, 2 = SHA1-96, 3 = SHA-256, 4 = SHA-384, 5=SHA-512
org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipsec.rev181214.ipsec.sa.esp.grouping.esp.Authentication
authAlg = data.getAuthentication();
if (authAlg != null) {
String integKey;
if (authAlg.getAuthenticationAlgorithm() instanceof HmacMd596) {
integKey = ((HmacMd596) authAlg.getAuthenticationAlgorithm()).getHmacMd596().getKeyStr().stringValue();
request.entry.integrityAlgorithm = IpsecIntegAlg.IPSEC_API_INTEG_ALG_MD5_96;
} else if (authAlg.getAuthenticationAlgorithm() instanceof HmacSha196) {
integKey =
((HmacSha196) authAlg.getAuthenticationAlgorithm()).getHmacSha196().getKeyStr().stringValue();
request.entry.integrityAlgorithm = IpsecIntegAlg.IPSEC_API_INTEG_ALG_SHA1_96;
} else {
request.entry.integrityAlgorithm = IpsecIntegAlg.IPSEC_API_INTEG_ALG_NONE;
return;
}
request.entry.integrityKey = new Key();
request.entry.integrityKey.data = integKey.getBytes();
request.entry.integrityKey.length = (byte) integKey.getBytes().length;
}
}
private void fillEspEncryption(IpsecSadEntryAddDel request, Esp data) {
//0 = Null, 1 = AES-CBC-128, 2 = AES-CBC-192, 3 = AES-CBC-256, 4 = 3DES-CBC
if (data.getEncryption() != null && data.getEncryption().getEncryptionAlgorithm() != null) {
String cryptoKey = "";
EncryptionAlgorithm encrAlg = data.getEncryption().getEncryptionAlgorithm();
if (encrAlg instanceof Aes128Cbc) {
cryptoKey = ((Aes128Cbc) encrAlg).getAes128Cbc().getKeyStr().stringValue();
request.entry.cryptoAlgorithm = IpsecCryptoAlg.IPSEC_API_CRYPTO_ALG_AES_CBC_128;
} else if (encrAlg instanceof Aes192Cbc) {
cryptoKey = ((Aes192Cbc) encrAlg).getAes192Cbc().getKeyStr().stringValue();
request.entry.cryptoAlgorithm = IpsecCryptoAlg.IPSEC_API_CRYPTO_ALG_AES_CBC_192;
} else if (encrAlg instanceof Aes256Cbc) {
cryptoKey = ((Aes256Cbc) encrAlg).getAes256Cbc().getKeyStr().stringValue();
request.entry.cryptoAlgorithm = IpsecCryptoAlg.IPSEC_API_CRYPTO_ALG_AES_CBC_256;
} else if (encrAlg instanceof DesCbc) {
cryptoKey = ((DesCbc) encrAlg).getDesCbc().getKeyStr().stringValue();
// TODO verify before the value was "4" now the result is "10"
request.entry.cryptoAlgorithm = IpsecCryptoAlg.IPSEC_API_CRYPTO_ALG_DES_CBC;
} else {
request.entry.cryptoAlgorithm = IpsecCryptoAlg.IPSEC_API_CRYPTO_ALG_NONE;
return;
}
request.entry.cryptoKey = new Key();
request.entry.cryptoKey.data = cryptoKey.getBytes();
request.entry.cryptoKey.length = (byte) cryptoKey.getBytes().length;
}
}
private void fillAddresses(IpsecSadEntryAddDel request, SadEntries data) {
if (data.getSourceAddress() != null && data.getSourceAddress().getIpAddress() != null) {
IpAddress sourceAddr = data.getSourceAddress().getIpAddress();
if (sourceAddr instanceof Ipv4Address) {
Ipv4Address ipv4 = (Ipv4Address) sourceAddr;
request.entry.tunnelSrc = ipv4AddressToAddress(ipv4.getIpv4Address());
} else if (sourceAddr instanceof Ipv6Address) {
Ipv6Address ipv6 = (Ipv6Address) sourceAddr;
request.entry.tunnelSrc = ipv6AddressToAddress(ipv6.getIpv6Address());
}
}
if (data.getDestinationAddress() != null && data.getDestinationAddress().getIpAddress() != null) {
IpAddress destAddr = data.getDestinationAddress().getIpAddress();
if (destAddr instanceof Ipv4Address) {
Ipv4Address ipv4 = (Ipv4Address) destAddr;
request.entry.tunnelDst = ipv4AddressToAddress(ipv4.getIpv4Address());
} else if (destAddr instanceof Ipv6Address) {
Ipv6Address ipv6 = (Ipv6Address) destAddr;
request.entry.tunnelDst = ipv6AddressToAddress(ipv6.getIpv6Address());
}
}
}
}
|
