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Gerrit Code Review
BGP peer connection validation based on peer configuration.
Change-Id: I67251b94973aad3e0ecf3d118ea534de1b015427
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3 changed files
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24 additions
and
29 deletions
... | @@ -383,10 +383,24 @@ class BgpChannelHandler extends IdleStateAwareChannelHandler { | ... | @@ -383,10 +383,24 @@ class BgpChannelHandler extends IdleStateAwareChannelHandler { |
383 | throw new IOException("Invalid peer connection."); | 383 | throw new IOException("Invalid peer connection."); |
384 | } | 384 | } |
385 | 385 | ||
386 | + // Connection should establish only if local ip and Autonomous system number is configured. | ||
387 | + if (bgpconfig.getState() != BgpCfg.State.IP_AS_CONFIGURED) { | ||
388 | + sendNotification(BgpErrorType.CEASE, BgpErrorType.CONNECTION_REJECTED, null); | ||
389 | + channel.close(); | ||
390 | + log.info("BGP local AS and router ID not configured"); | ||
391 | + return; | ||
392 | + } | ||
386 | 393 | ||
387 | inetAddress = (InetSocketAddress) address; | 394 | inetAddress = (InetSocketAddress) address; |
388 | peerAddr = IpAddress.valueOf(inetAddress.getAddress()).toString(); | 395 | peerAddr = IpAddress.valueOf(inetAddress.getAddress()).toString(); |
389 | 396 | ||
397 | + // if peer is not configured disconnect session | ||
398 | + if (!bgpconfig.isPeerConfigured(peerAddr)) { | ||
399 | + log.debug("Peer is not configured {}", peerAddr); | ||
400 | + sendNotification(BgpErrorType.CEASE, BgpErrorType.CONNECTION_REJECTED, null); | ||
401 | + channel.close(); | ||
402 | + return; | ||
403 | + } | ||
390 | 404 | ||
391 | // if connection is already established close channel | 405 | // if connection is already established close channel |
392 | if (peerManager.isPeerConnected(BgpId.bgpId(IpAddress.valueOf(peerAddr)))) { | 406 | if (peerManager.isPeerConnected(BgpId.bgpId(IpAddress.valueOf(peerAddr)))) { |
... | @@ -647,10 +661,8 @@ class BgpChannelHandler extends IdleStateAwareChannelHandler { | ... | @@ -647,10 +661,8 @@ class BgpChannelHandler extends IdleStateAwareChannelHandler { |
647 | private void sendHandshakeOpenMessage() throws IOException, BgpParseException { | 661 | private void sendHandshakeOpenMessage() throws IOException, BgpParseException { |
648 | int bgpId; | 662 | int bgpId; |
649 | 663 | ||
650 | - InetSocketAddress localAddress = (InetSocketAddress) channel.getLocalAddress(); | 664 | + bgpId = Ip4Address.valueOf(bgpconfig.getRouterId()).toInt(); |
651 | - | 665 | + BgpMessage msg = factory4.openMessageBuilder().setAsNumber((short) bgpconfig.getAsNumber()) |
652 | - bgpId = Ip4Address.valueOf(IpAddress.valueOf(localAddress.getAddress()).toString()).toInt(); | ||
653 | - BgpMessage msg = factory4.openMessageBuilder().setAsNumber((short) peerAsNum) | ||
654 | .setHoldTime(bgpconfig.getHoldTime()).setBgpId(bgpId).setLsCapabilityTlv(bgpconfig.getLsCapability()) | 666 | .setHoldTime(bgpconfig.getHoldTime()).setBgpId(bgpId).setLsCapabilityTlv(bgpconfig.getLsCapability()) |
655 | .setLargeAsCapabilityTlv(bgpconfig.getLargeASCapability()).build(); | 667 | .setLargeAsCapabilityTlv(bgpconfig.getLargeASCapability()).build(); |
656 | log.debug("Sending open message to {}", channel.getRemoteAddress()); | 668 | log.debug("Sending open message to {}", channel.getRemoteAddress()); |
... | @@ -721,6 +733,11 @@ class BgpChannelHandler extends IdleStateAwareChannelHandler { | ... | @@ -721,6 +733,11 @@ class BgpChannelHandler extends IdleStateAwareChannelHandler { |
721 | throw new BgpParseException(BgpErrorType.OPEN_MESSAGE_ERROR, BgpErrorType.BAD_BGP_IDENTIFIER, null); | 733 | throw new BgpParseException(BgpErrorType.OPEN_MESSAGE_ERROR, BgpErrorType.BAD_BGP_IDENTIFIER, null); |
722 | } | 734 | } |
723 | 735 | ||
736 | + // Validate AS number | ||
737 | + result = asNumberValidation(h, openMsg); | ||
738 | + if (!result) { | ||
739 | + throw new BgpParseException(BgpErrorType.OPEN_MESSAGE_ERROR, BgpErrorType.BAD_PEER_AS, null); | ||
740 | + } | ||
724 | 741 | ||
725 | // Validate hold timer | 742 | // Validate hold timer |
726 | if ((openMsg.getHoldTime() != 0) && (openMsg.getHoldTime() < BGP_MIN_HOLDTIME)) { | 743 | if ((openMsg.getHoldTime() != 0) && (openMsg.getHoldTime() < BGP_MIN_HOLDTIME)) { | ... | ... |
... | @@ -67,7 +67,6 @@ public class BgpConfig implements BgpCfg { | ... | @@ -67,7 +67,6 @@ public class BgpConfig implements BgpCfg { |
67 | this.holdTime = DEFAULT_HOLD_TIMER; | 67 | this.holdTime = DEFAULT_HOLD_TIMER; |
68 | this.maxConnRetryTime = DEFAULT_CONN_RETRY_TIME; | 68 | this.maxConnRetryTime = DEFAULT_CONN_RETRY_TIME; |
69 | this.maxConnRetryCount = DEFAULT_CONN_RETRY_COUNT; | 69 | this.maxConnRetryCount = DEFAULT_CONN_RETRY_COUNT; |
70 | - this.lsCapability = true; | ||
71 | } | 70 | } |
72 | 71 | ||
73 | @Override | 72 | @Override |
... | @@ -223,8 +222,9 @@ public class BgpConfig implements BgpCfg { | ... | @@ -223,8 +222,9 @@ public class BgpConfig implements BgpCfg { |
223 | if (disconnPeer != null) { | 222 | if (disconnPeer != null) { |
224 | // TODO: send notification peer deconfigured | 223 | // TODO: send notification peer deconfigured |
225 | disconnPeer.disconnectPeer(); | 224 | disconnPeer.disconnectPeer(); |
225 | + } else { | ||
226 | + lspeer.connectPeer().disconnectPeer(); | ||
226 | } | 227 | } |
227 | - lspeer.connectPeer().disconnectPeer(); | ||
228 | lspeer.setState(BgpPeerCfg.State.IDLE); | 228 | lspeer.setState(BgpPeerCfg.State.IDLE); |
229 | lspeer.setSelfInnitConnection(false); | 229 | lspeer.setSelfInnitConnection(false); |
230 | log.debug("Disconnected : " + routerid + " successfully"); | 230 | log.debug("Disconnected : " + routerid + " successfully"); | ... | ... |
... | @@ -110,15 +110,9 @@ public class BgpControllerImplTest { | ... | @@ -110,15 +110,9 @@ public class BgpControllerImplTest { |
110 | 110 | ||
111 | @Test | 111 | @Test |
112 | public void bgpOpenMessageTest1() throws InterruptedException { | 112 | public void bgpOpenMessageTest1() throws InterruptedException { |
113 | - short afi = 16388; | ||
114 | - byte res = 0; | ||
115 | - byte safi = 71; | ||
116 | peer1.peerChannelHandler.asNumber = 200; | 113 | peer1.peerChannelHandler.asNumber = 200; |
117 | peer1.peerChannelHandler.version = 4; | 114 | peer1.peerChannelHandler.version = 4; |
118 | peer1.peerChannelHandler.holdTime = 120; | 115 | peer1.peerChannelHandler.holdTime = 120; |
119 | - bgpControllerImpl.getConfig().setLsCapability(true); | ||
120 | - BgpValueType tempTlv1 = new MultiProtocolExtnCapabilityTlv(afi, res, safi); | ||
121 | - peer1.peerChannelHandler.capabilityTlv.add(tempTlv1); | ||
122 | peer1.connect(connectToSocket); | 116 | peer1.connect(connectToSocket); |
123 | boolean result; | 117 | boolean result; |
124 | result = peer1.peerFrameDecoder.receivedOpenMessageLatch.await( | 118 | result = peer1.peerFrameDecoder.receivedOpenMessageLatch.await( |
... | @@ -134,26 +128,16 @@ public class BgpControllerImplTest { | ... | @@ -134,26 +128,16 @@ public class BgpControllerImplTest { |
134 | @Test | 128 | @Test |
135 | public void bgpOpenMessageTest2() throws InterruptedException { | 129 | public void bgpOpenMessageTest2() throws InterruptedException { |
136 | // Open message with as number which is not configured at peer | 130 | // Open message with as number which is not configured at peer |
137 | - short afi = 16388; | ||
138 | - byte res = 0; | ||
139 | - byte safi = 71; | ||
140 | peer1.peerChannelHandler.asNumber = 500; | 131 | peer1.peerChannelHandler.asNumber = 500; |
141 | peer1.peerChannelHandler.version = 4; | 132 | peer1.peerChannelHandler.version = 4; |
142 | peer1.peerChannelHandler.holdTime = 120; | 133 | peer1.peerChannelHandler.holdTime = 120; |
143 | - bgpControllerImpl.getConfig().setLsCapability(true); | ||
144 | - BgpValueType tempTlv1 = new MultiProtocolExtnCapabilityTlv(afi, res, safi); | ||
145 | - peer1.peerChannelHandler.capabilityTlv.add(tempTlv1); | ||
146 | peer1.connect(connectToSocket); | 134 | peer1.connect(connectToSocket); |
147 | 135 | ||
148 | boolean result; | 136 | boolean result; |
149 | - result = peer1.peerFrameDecoder.receivedOpenMessageLatch.await(MESSAGE_TIMEOUT_MS, TimeUnit.MILLISECONDS); | ||
150 | - assertThat(result, is(true)); | ||
151 | - result = peer1.peerFrameDecoder.receivedKeepaliveMessageLatch.await(MESSAGE_TIMEOUT_MS, TimeUnit.MILLISECONDS); | ||
152 | - assertThat(result, is(true)); | ||
153 | result = peer1.peerFrameDecoder.receivedNotificationMessageLatch.await( | 137 | result = peer1.peerFrameDecoder.receivedNotificationMessageLatch.await( |
154 | MESSAGE_TIMEOUT_MS, | 138 | MESSAGE_TIMEOUT_MS, |
155 | TimeUnit.MILLISECONDS); | 139 | TimeUnit.MILLISECONDS); |
156 | - assertThat(result, is(false)); | 140 | + assertThat(result, is(true)); |
157 | } | 141 | } |
158 | 142 | ||
159 | @Test | 143 | @Test |
... | @@ -217,9 +201,6 @@ public class BgpControllerImplTest { | ... | @@ -217,9 +201,6 @@ public class BgpControllerImplTest { |
217 | @Test | 201 | @Test |
218 | public void bgpOpenMessageTest6() throws InterruptedException { | 202 | public void bgpOpenMessageTest6() throws InterruptedException { |
219 | // Open message with as4 capability | 203 | // Open message with as4 capability |
220 | - short afi = 16388; | ||
221 | - byte res = 0; | ||
222 | - byte safi = 71; | ||
223 | peer1.peerChannelHandler.asNumber = 200; | 204 | peer1.peerChannelHandler.asNumber = 200; |
224 | peer1.peerChannelHandler.version = 4; | 205 | peer1.peerChannelHandler.version = 4; |
225 | peer1.peerChannelHandler.holdTime = 120; | 206 | peer1.peerChannelHandler.holdTime = 120; |
... | @@ -227,9 +208,6 @@ public class BgpControllerImplTest { | ... | @@ -227,9 +208,6 @@ public class BgpControllerImplTest { |
227 | bgpControllerImpl.getConfig().setLargeASCapability(true); | 208 | bgpControllerImpl.getConfig().setLargeASCapability(true); |
228 | BgpValueType tempTlv = new FourOctetAsNumCapabilityTlv(200); | 209 | BgpValueType tempTlv = new FourOctetAsNumCapabilityTlv(200); |
229 | peer1.peerChannelHandler.capabilityTlv.add(tempTlv); | 210 | peer1.peerChannelHandler.capabilityTlv.add(tempTlv); |
230 | - bgpControllerImpl.getConfig().setLsCapability(true); | ||
231 | - BgpValueType tempTlv1 = new MultiProtocolExtnCapabilityTlv(afi, res, safi); | ||
232 | - peer1.peerChannelHandler.capabilityTlv.add(tempTlv1); | ||
233 | peer1.connect(connectToSocket); | 211 | peer1.connect(connectToSocket); |
234 | 212 | ||
235 | boolean result; | 213 | boolean result; | ... | ... |
-
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