xref: /titanic_41/usr/src/cmd/lms/LMEConnectionCompat.cpp (revision e4d060fb4c00d44cd578713eb9a921f594b733b8)
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30 
31 #ifdef HAVE_CONFIG_H
32 #include "config.h"
33 #endif
34 #include <cerrno>
35 #include "types.h"
36 #include "LMEConnection.h"
37 #include "LMS_if_compat.h"
38 #include "Lock.h"
39 #include "glue.h"
40 
41 #ifdef _LINUX
42 #define _strnicmp strncasecmp
43 #endif
44 
45 extern glue plugin;
46 
47 const GUID LMEConnection::_guidCompat = {0x3d98d9b7, 0x1ce8, 0x4252, {0xb3, 0x37, 0x2e, 0xff, 0x10, 0x6e, 0xf2, 0x9f}};
48 
49 int LMEConnection::CompatSendMessage(UINT8 connID, UINT32 len, unsigned char *buffer)
50 {
51 	if (!IsInitialized()) {
52 		PRINT("[Compat]State: not connected to HECI.\n");
53 		return -1;
54 	}
55 
56 	unsigned char sendBuf[1024 + sizeof(LMS_SEND_DATA_MESSAGE)];
57 	LMS_SEND_DATA_MESSAGE *msg;
58 
59 	if (len > 1024) {
60 		return -1;
61 	}
62 
63 	msg = (LMS_SEND_DATA_MESSAGE *)sendBuf;
64 	msg->MessageType = LMS_MESSAGE_TYPE_SEND_DATA;
65 	msg->ConnectionId = connID;
66 	msg->DataLength = htons(len);
67 	memcpy(msg->Data, buffer, len);
68 
69 	return _sendMessage(sendBuf, sizeof(LMS_SEND_DATA_MESSAGE) + len);
70 }
71 
72 void LMEConnection::CompatCloseConnection(int connID, int status)
73 {
74 	if (!IsInitialized()) {
75 		PRINT("[Compat]State: not connected to HECI.\n");
76 		return;
77 	}
78 
79 	LMS_CLOSE_CONNECTION_MESSAGE msg;
80 
81 	msg.MessageType = LMS_MESSAGE_TYPE_CLOSE_CONNECTION;
82 	msg.ConnectionId = connID;
83 	msg.ClosingReason = status;
84 
85 	_sendMessage((unsigned char *)&msg, sizeof(msg));
86 }
87 
88 bool LMEConnection::CompatProtocolVersion()
89 {
90 	if (!IsInitialized()) {
91 		PRINT("[Compat]State: not connected to HECI.\n");
92 		return false;
93 	}
94 
95 	LMS_PROTO_VERSION_MESSAGE msg;
96 
97 	memset(&msg, 0, sizeof(msg));
98 	msg.MessageType = LMS_MESSAGE_TYPE_PROTO_VERSION;
99 	msg.ConnectionId = 0;
100 	msg.Protocol = 0;
101 
102 	PRINT("[Compat]Sending Protocol Version to LME\n");
103 	int bytesWritten = _sendMessage((unsigned char *)&msg, sizeof(msg));
104 	return (bytesWritten == sizeof(msg));
105 }
106 
107 bool LMEConnection::CompatRequestIPFQDN()
108 {
109 	if (!IsInitialized()) {
110 		PRINT("[Compat]State: not connected to HECI.\n");
111 		return false;
112 	}
113 
114 	LMS_IP_FQDN_REQUEST_MESSAGE msg;
115 
116 	memset(&msg, 0, sizeof(msg));
117 	msg.MessageType = LMS_MESSAGE_TYPE_IP_FQDN_REQUEST;
118 	msg.ConnectionId = 0;
119 
120 	PRINT("[Compat]Sending IP_FQDN request to LME\n");
121 	int bytesWritten = _sendMessage((unsigned char *)&msg, sizeof(msg));
122 	return (bytesWritten == sizeof(msg));
123 }
124 
125 bool LMEConnection::CompatOpenConnection(in_port_t mePort, ATAddress addr, unsigned int &connID)
126 {
127 	if (!IsInitialized()) {
128 		PRINT("[Compat]State: not connected to HECI.\n");
129 		return false;
130 	}
131 
132 	unsigned char currReqID = _reqID++;
133 	bool ret = false;
134 	LMS_OPEN_CONNECTION_EX_MESSAGE openConnectionExMsg;
135 	LMS_OPEN_CONNECTION_MESSAGE openConnectionMsg;
136 	unsigned char *msg = NULL;
137 	int msgLen = 0;
138 	size_t addrSize = 0;
139 	const void *inAddr = addr.inAddr(addrSize);
140 
141 	if (protocolVer == LMS_PROCOL_VERSION_COMPAT) {
142 		memset(&openConnectionExMsg, 0, sizeof(openConnectionExMsg));
143 		openConnectionExMsg.MessageType = LMS_MESSAGE_TYPE_OPEN_CONNECTION_EX;
144 		openConnectionExMsg.ConnectionId = 0;
145 		openConnectionExMsg.Protocol = LMS_PROTOCOL_TYPE_TCP_IPV4;
146 		openConnectionExMsg.Flags = 0;
147 		openConnectionExMsg.OpenRequestId = currReqID;
148 		memcpy(openConnectionExMsg.Host, inAddr, addrSize);
149 		openConnectionExMsg.HostPort = htons(addr.inPort());
150 		openConnectionExMsg.MEPort = htons(mePort);
151 
152 		msg = (unsigned char *)&openConnectionExMsg;
153 		msgLen = sizeof(openConnectionExMsg);
154 		PRINT("[Compat]OpenConnectionEx %x (%d) p=%d mp=%d\n",
155 			*(int *)inAddr, addrSize, addr.inPort(), mePort);
156 	}
157 	else {
158 		memset(&openConnectionMsg, 0, sizeof(openConnectionMsg));
159 		openConnectionMsg.MessageType = LMS_MESSAGE_TYPE_OPEN_CONNECTION;
160 		openConnectionMsg.ConnectionId = 0;
161 		openConnectionMsg.Protocol = LMS_PROTOCOL_TYPE_TCP_IPV4;
162 		openConnectionMsg.OpenRequestId = currReqID;
163 		memcpy(openConnectionMsg.HostIPAddress, inAddr, addrSize);
164 		openConnectionMsg.HostPort = htons(addr.inPort());
165 		openConnectionMsg.MEPort = htons(mePort);
166 
167 		msg = (unsigned char *)&openConnectionMsg;
168 		msgLen = sizeof(openConnectionMsg);
169 		PRINT("[Compat]OpenConnection %x (%d) p=%d mp=%d\n",
170 			*(int *)inAddr, addrSize, addr.inPort(), mePort);
171 	}
172 
173 	// save as pending request
174 	CompatConnection conn;
175 	conn.event = new Event();
176 	conn.status = LMS_CONNECTION_STATUS_FAILED;
177 	conn.connID = 0;
178 
179 	_compatMapLock.acquire();
180 	_compatPendingConnections[currReqID] = conn;
181 	_compatMapLock.release();
182 
183 	int bytesWritten;
184 	bytesWritten = _sendMessage(msg, msgLen);
185 	if (bytesWritten != msgLen) {
186 		goto out;
187 	}
188 
189 	if (conn.event->wait(10000) == false) {
190 		// no response from FW
191 		goto out;
192 	}
193 
194 	ret = true;
195 
196 out:
197 	{
198 		Lock ml(_compatMapLock);
199 
200 		if (_compatPendingConnections[currReqID].status != LMS_CONNECTION_STATUS_OK) {
201 			ret = false;
202 		} else {
203 			connID = _compatPendingConnections[currReqID].connID;
204 		}
205 		_compatPendingConnections.erase(currReqID);
206 	}
207 
208 	delete conn.event;
209 	conn.event = NULL;
210 
211 	return ret;
212 }
213 
214 void LMEConnection::_doRXCompat()
215 {
216 	unsigned int bytesRead;
217 	int status = 1;
218 
219 	_threadStartedEvent.set();
220 
221 	unsigned char *rxBuffer = new unsigned char[_heciCompat.GetBufferSize()];
222 
223 	while (true) {
224 		bytesRead = (unsigned int)_receiveMessage(rxBuffer, _heciCompat.GetBufferSize());
225 
226 		if ((int)bytesRead < 0) {
227 			PRINT("[Compat]Error receiving data from HECI\n");
228 			Deinit();
229 			break;
230 		}
231 
232 		if (bytesRead == 0) {
233 			// ERROR
234 			continue;
235 		}
236 
237 		PRINT("[Compat]Received from LME %d bytes (msg type %02d)\n", bytesRead, rxBuffer[0]);
238 
239 		if (bytesRead < 2) {
240 			// ERROR
241 			continue;
242 		}
243 
244 		if (plugin.preprocess(rxBuffer, bytesRead) == LMS_DROPPED) {
245 			continue;
246 		}
247 
248 		switch (rxBuffer[0]) {
249 		case LMS_MESSAGE_TYPE_PROTO_VERSION_REPLY:
250 			CompatRequestIPFQDN();
251 			break;
252 
253 		case LMS_MESSAGE_TYPE_CLOSE_CONNECTION:
254 		case LMS_MESSAGE_TYPE_SEND_DATA:
255 		case LMS_MESSAGE_TYPE_IP_FQDN:
256 			_cb(_cbParam, rxBuffer, bytesRead, &status);
257 			break;
258 
259 		case LMS_MESSAGE_TYPE_OPEN_CONNECTION_REPLY:
260 			{
261 				LMS_OPEN_CONNECTION_REPLY_MESSAGE *repMsg =
262 				    (LMS_OPEN_CONNECTION_REPLY_MESSAGE *)rxBuffer;
263 
264 				Lock ml(_compatMapLock);
265 
266 				CompatConnMap::iterator itr;
267 				itr = _compatPendingConnections.find(repMsg->OpenRequestId);
268 				if (itr != _compatPendingConnections.end()) {
269 					(*itr).second.connID = repMsg->ConnectionId;
270 					(*itr).second.status = repMsg->Status;
271 					(*itr).second.event->set();
272 					PRINT("[Compat]Open connection reply %d %d =%d\n", repMsg->OpenRequestId, repMsg->ConnectionId, repMsg->Status);
273 				}
274 			}
275 			break;
276 
277 		case LMS_MESSAGE_TYPE_OPEN_CONNECTION_EX:
278 			{
279 				// report incoming connection request
280 				_cb(_cbParam, rxBuffer, bytesRead, &status);
281 
282 				if (IsInitialized() && (status == 1)) {
283 					if (plugin.retry(rxBuffer, bytesRead) == LMS_DROPPED) {
284 						continue;
285 					} else {
286 						_cb(_cbParam, rxBuffer, bytesRead, &status);
287 					}
288 				}
289 
290 				LMS_OPEN_CONNECTION_EX_MESSAGE *msg =
291 				    (LMS_OPEN_CONNECTION_EX_MESSAGE *)rxBuffer;
292 
293 				if ((msg->Flags & HOSTNAME_BIT) != 0) {
294 					PRINT("[Compat]Got client connection request %d for host %s, port %d\n",
295 						msg->ConnectionId, msg->Host, ntohs(msg->HostPort));
296 				}
297 				else {
298 					PRINT("[Compat]Got client connection request %d for IP %s, port %d\n",
299 						msg->ConnectionId, inet_ntoa(*((struct in_addr *)msg->Host)), ntohs(msg->HostPort));
300 				}
301 
302 				LMS_OPEN_CONNECTION_REPLY_MESSAGE repMsg;
303 				memset(&repMsg, 0, sizeof(repMsg));
304 
305 				repMsg.MessageType = LMS_MESSAGE_TYPE_OPEN_CONNECTION_REPLY;
306 				repMsg.ConnectionId = msg->ConnectionId;
307 				if (status == 0) {
308 					repMsg.Status = LMS_CONNECTION_STATUS_OK;
309 				} else {
310 					repMsg.Status = LMS_CONNECTION_STATUS_FAILED;
311 				}
312 
313 				DWORD bytesWritten;
314 				bytesWritten = _sendMessage((unsigned char *)&repMsg, sizeof(repMsg));
315 				if (bytesWritten != sizeof(repMsg)) {
316 					PRINT("[Compat]Send Open Connection Reply failed: bytesWritten: %lu\n", bytesWritten);
317 				}
318 			}
319 			break;
320 
321 		default:
322 			// Uknown request. Ignore
323 			break;
324 		}
325 
326 		if (IsInitialized()) {
327 			plugin.postprocess(rxBuffer, bytesRead, status);
328 		}
329 	}
330 
331 	if (rxBuffer != NULL) {
332 		delete[] rxBuffer;
333 	}
334 }
335 
336