1 martin 1.21 //%LICENSE////////////////////////////////////////////////////////////////
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2 martin 1.22 //
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3 martin 1.21 // Licensed to The Open Group (TOG) under one or more contributor license
4 // agreements. Refer to the OpenPegasusNOTICE.txt file distributed with
5 // this work for additional information regarding copyright ownership.
6 // Each contributor licenses this file to you under the OpenPegasus Open
7 // Source License; you may not use this file except in compliance with the
8 // License.
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9 martin 1.22 //
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10 martin 1.21 // Permission is hereby granted, free of charge, to any person obtaining a
11 // copy of this software and associated documentation files (the "Software"),
12 // to deal in the Software without restriction, including without limitation
13 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
14 // and/or sell copies of the Software, and to permit persons to whom the
15 // Software is furnished to do so, subject to the following conditions:
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16 martin 1.22 //
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17 martin 1.21 // The above copyright notice and this permission notice shall be included
18 // in all copies or substantial portions of the Software.
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19 martin 1.22 //
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20 martin 1.21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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21 martin 1.22 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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22 martin 1.21 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23 // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
24 // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
25 // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
26 // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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27 martin 1.22 //
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28 martin 1.21 //////////////////////////////////////////////////////////////////////////
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29 yi.zhou 1.1 //
30 //%/////////////////////////////////////////////////////////////////////////////
31
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32 thilo.boehm 1.24 #include <Pegasus/Repository/Packer.h>
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33 yi.zhou 1.1 #include <Pegasus/Common/Tracer.h>
34 #include "snmpDeliverTrap_netsnmp.h"
35
36 PEGASUS_NAMESPACE_BEGIN
37
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38 yi.zhou 1.4 void snmpDeliverTrap_netsnmp::initialize()
39 {
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40 kumpf 1.10 PEG_METHOD_ENTER(TRC_IND_HANDLER, "snmpDeliverTrap_netsnmp::initialize");
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41 yi.zhou 1.4
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42 kumpf 1.10 // Defined default MIB modules (in net-snmp-config.h) do not need to be
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43 yi.zhou 1.4 // loaded and loading them can cause some stderr;
44 // use environment variable MIBS to override the default MIB modules.
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45 kumpf 1.10 // If there is no MIBS environment variable, add it in.
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46 yi.zhou 1.4
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47 dev.meetei 1.28 setenv("MIBS", "", 0);
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48 yi.zhou 1.4
49 // Initialize the mib reader
50 netsnmp_set_mib_directory("");
51 init_mib();
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52 kumpf 1.10
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53 yi.zhou 1.4 // Initializes the SNMP library
54 init_snmp("snmpIndicationHandler");
55
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56 yi.zhou 1.20 // don't load/save persistent file
57 #ifdef NETSNMP_DS_LIB_DONT_PERSIST_STATE
58 netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
59 NETSNMP_DS_LIB_DONT_PERSIST_STATE, 1);
60 #endif
61
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62 yi.zhou 1.4 // windows32 specific initialization (is a NOOP on unix)
63 SOCK_STARTUP;
64
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65 kumpf 1.10 PEG_METHOD_EXIT();
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66 yi.zhou 1.4 }
67
68 void snmpDeliverTrap_netsnmp::terminate()
69 {
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70 kumpf 1.10 PEG_METHOD_ENTER(TRC_IND_HANDLER, "snmpDeliverTrap_netsnmp::terminate");
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71 yi.zhou 1.4
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72 yi.zhou 1.13 // Shuts down the application, and appropriate clean up
73 snmp_shutdown("snmpIndicationHandler");
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74 kumpf 1.23
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75 yi.zhou 1.4 SOCK_CLEANUP;
76
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77 kumpf 1.10 PEG_METHOD_EXIT();
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78 yi.zhou 1.4 }
79
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80 yi.zhou 1.1 void snmpDeliverTrap_netsnmp::deliverTrap(
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81 kumpf 1.10 const String& trapOid,
82 const String& securityName,
83 const String& targetHost,
84 const Uint16& targetHostFormat,
85 const String& otherTargetHostFormat,
86 const Uint32& portNumber,
87 const Uint16& snmpVersion,
88 const String& engineID,
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89 sahana.prabhakar 1.25 const Uint8& snmpSecLevel,
90 const Uint8& snmpSecAuthProto,
91 const Array<Uint8>& snmpSecAuthKey,
92 const Uint8& snmpSecPrivProto,
93 const Array<Uint8>& snmpSecPrivKey,
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94 kumpf 1.10 const Array<String>& vbOids,
95 const Array<String>& vbTypes,
96 const Array<String>& vbValues)
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97 yi.zhou 1.1 {
98
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99 kumpf 1.10 PEG_METHOD_ENTER(TRC_IND_HANDLER, "snmpDeliverTrap_netsnmp::deliverTrap");
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100 yi.zhou 1.1
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101 kumpf 1.10 void* sessionHandle;
102 struct snmp_session* sessionPtr;
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103 yi.zhou 1.1
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104 kumpf 1.10 struct snmp_pdu* snmpPdu;
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105 yi.zhou 1.1
106 // Creates a SNMP session
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107 sahana.prabhakar 1.25 _createSession(
108 targetHost,
109 targetHostFormat,
110 portNumber,
111 securityName,
112 snmpVersion,
113 engineID,
114 snmpSecLevel,
115 snmpSecAuthProto,
116 snmpSecAuthKey,
117 snmpSecPrivProto,
118 snmpSecPrivKey,
119 sessionHandle,
120 sessionPtr);
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121 yi.zhou 1.1
122 try
123 {
124 _createPdu(snmpVersion, trapOid, sessionPtr, snmpPdu);
125 }
126 catch (...)
127 {
128 _destroySession(sessionHandle);
129
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130 kumpf 1.10 PEG_METHOD_EXIT();
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131 yi.zhou 1.1 throw;
132 }
133
134 // Pack OIDs into the PDU
135 try
136 {
137 _packOidsIntoPdu(vbOids, vbTypes, vbValues, snmpPdu);
138 }
139 catch (Exception& e)
140 {
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141 kumpf 1.18 Logger::put_l(Logger::STANDARD_LOG, System::CIMSERVER, Logger::WARNING,
142 MessageLoaderParms(
143 _MSG_PACK_CIM_PROPERTY_TO_PDU_FAILED_KEY,
144 _MSG_PACK_CIM_PROPERTY_TO_PDU_FAILED,
145 e.getMessage()));
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146 yi.zhou 1.1 }
147 catch (...)
148 {
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149 marek 1.14 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
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150 kumpf 1.10 "Snmp Indication Handler failed to pack a CIM "
151 "Property into the SNMP PDU: Unknown exception.");
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152 yi.zhou 1.1 }
153
154 // Send the trap to the destination
155 if (snmp_sess_send(sessionHandle, snmpPdu) == 0)
156 {
157 Sint32 libErr, sysErr;
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158 kumpf 1.10 char* errStr;
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159 yi.zhou 1.1
160 // snmp_sess_send failed
161 // get library, system errno
162 snmp_sess_error(sessionHandle, &libErr, &sysErr, &errStr);
163
164 String exceptionStr = _MSG_SESSION_SEND_FAILED;
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165 kumpf 1.10 exceptionStr.append(errStr);
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166 yi.zhou 1.1
167 free(errStr);
168
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169 yi.zhou 1.19 snmp_free_pdu(snmpPdu);
170
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171 yi.zhou 1.1 _destroySession(sessionHandle);
172
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173 kumpf 1.10 PEG_METHOD_EXIT();
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174 yi.zhou 1.1
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175 kumpf 1.10 throw PEGASUS_CIM_EXCEPTION_L(CIM_ERR_FAILED,
176 MessageLoaderParms(_MSG_SESSION_SEND_FAILED_KEY, exceptionStr));
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177 yi.zhou 1.1 }
178
179 _destroySession(sessionHandle);
180
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181 kumpf 1.10 PEG_METHOD_EXIT();
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182 yi.zhou 1.1 }
183
184 // Creates a SNMP session
185 void snmpDeliverTrap_netsnmp::_createSession(
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186 kumpf 1.10 const String& targetHost,
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187 yi.zhou 1.16 Uint16 targetHostFormat,
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188 yi.zhou 1.1 Uint32 portNumber,
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189 kumpf 1.10 const String& securityName,
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190 sahana.prabhakar 1.25 Uint16 snmpVersion,
191 const String& engineID,
192 const Uint8& snmpSecLevel,
193 const Uint8& snmpSecAuthProto,
194 const Array<Uint8>& snmpSecAuthKey,
195 const Uint8& snmpSecPrivProto,
196 const Array<Uint8>& snmpSecPrivKey,
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197 kumpf 1.10 void*& sessionHandle,
198 snmp_session*& sessionPtr)
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199 yi.zhou 1.1 {
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200 kumpf 1.10 PEG_METHOD_ENTER(TRC_IND_HANDLER,
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201 yi.zhou 1.1 "snmpDeliverTrap_netsnmp::_createSession");
202
203 Sint32 libErr, sysErr;
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204 kumpf 1.10 char* errStr;
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205 yi.zhou 1.1 String exceptionStr;
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206 kumpf 1.10
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207 yi.zhou 1.4 struct snmp_session snmpSession;
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208 yi.zhou 1.1
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209 yi.zhou 1.2 {
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210 kumpf 1.10 AutoMutex autoMut(_sessionInitMutex);
211 snmp_sess_init(&snmpSession);
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212 yi.zhou 1.1
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213 kumpf 1.10 CString targetHostCStr = targetHost.getCString();
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214 yi.zhou 1.1
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215 kumpf 1.10 // peername has format: targetHost:portNumber
216 snmpSession.peername =
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217 sahana.prabhakar 1.25 (char*)calloc(1,strlen(targetHostCStr) + 1 + 32);
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218 yi.zhou 1.16
219 if (targetHostFormat == _IPV6_ADDRESS)
220 {
221 sprintf(snmpSession.peername, "udp6:[%s]:%u",
222 (const char*)targetHostCStr,
223 portNumber);
224 }
225 else
226 {
227 sprintf(snmpSession.peername, "%s:%u",
228 (const char*)targetHostCStr,
229 portNumber);
230 }
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231 yi.zhou 1.4
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232 kumpf 1.10 sessionHandle = snmp_sess_open(&snmpSession);
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233 yi.zhou 1.4 }
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234 yi.zhou 1.1
235 if (sessionHandle == NULL)
236 {
237 exceptionStr = _MSG_SESSION_OPEN_FAILED;
238
239 // Get library, system errno
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240 yi.zhou 1.5 snmp_error(&snmpSession, &libErr, &sysErr, &errStr);
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241 yi.zhou 1.1
242 exceptionStr.append(errStr);
243
244 free(errStr);
245
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246 yi.zhou 1.19 free(snmpSession.peername);
247
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248 kumpf 1.10 PEG_METHOD_EXIT();
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249 yi.zhou 1.1
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250 kumpf 1.10 throw PEGASUS_CIM_EXCEPTION_L(CIM_ERR_FAILED,
251 MessageLoaderParms(_MSG_SESSION_OPEN_FAILED_KEY, exceptionStr));
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252 yi.zhou 1.1 }
253
254 try
255 {
256 // get the snmp_session pointer
257 sessionPtr = snmp_sess_session(sessionHandle);
258 if (sessionPtr == NULL)
259 {
260 exceptionStr = _MSG_GET_SESSION_POINT_FAILED;
261
262 // Get library, system errno
263 snmp_sess_error(&snmpSession, &libErr, &sysErr, &errStr);
264
265 exceptionStr.append(errStr);
266
267 free(errStr);
268
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269 yi.zhou 1.19 free(snmpSession.peername);
270
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271 kumpf 1.10 throw PEGASUS_CIM_EXCEPTION_L(CIM_ERR_FAILED, MessageLoaderParms(
272 _MSG_GET_SESSION_POINTER_FAILED_KEY,
273 exceptionStr));
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274 yi.zhou 1.1 }
275
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276 sahana.prabhakar 1.25 free(snmpSession.peername);
277
278 switch (snmpVersion)
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279 yi.zhou 1.1 {
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280 sahana.prabhakar 1.25 case _SNMPv1_TRAP:
281 {
282 sessionPtr->version = SNMP_VERSION_1;
283 _addCommunity(sessionPtr,securityName);
284 break;
285
286 }
287 case _SNMPv2C_TRAP:
288 {
289 sessionPtr->version = SNMP_VERSION_2c;
290 _addCommunity(sessionPtr,securityName);
291 break;
292 }
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293 sahana.prabhakar 1.26 #ifdef PEGASUS_ENABLE_NET_SNMPV3
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294 sahana.prabhakar 1.25 case _SNMPv3_TRAP:
295 {
296 sessionPtr->version = SNMP_VERSION_3;
297 CString securityNameCStr = securityName.getCString();
298 size_t securityNameLen = strlen(securityNameCStr);
299 SNMP_FREE(sessionPtr->securityName);
300 sessionPtr->securityName = (char *)calloc(1,securityNameLen+1);
301 sessionPtr->securityNameLen = securityNameLen;
302 memcpy(sessionPtr->securityName, (const char*)securityNameCStr,
303 securityNameLen);
304
305 CString engineIdCStr = engineID.getCString();
306 size_t engineIdHexLen = strlen(engineIdCStr);
307 size_t engineIdBinLen = 0;
308 u_char *engineIdBin = (u_char *)calloc(1,engineIdHexLen);
309 free(sessionPtr->securityEngineID);
310 if(!snmp_hex_to_binary(&engineIdBin, &engineIdHexLen,
311 &engineIdBinLen, 1,engineIdCStr))
312 {
313 PEG_TRACE_CSTRING(TRC_DISCARDED_DATA, Tracer::LEVEL2,
314 "Snmp Indication Handler failed to generate binary"
315 sahana.prabhakar 1.25 " engine ID for sending the SNMPv3 trap.");
316 throw PEGASUS_CIM_EXCEPTION_L(CIM_ERR_FAILED,
317 MessageLoaderParms(
318 "Handler.snmpIndicationHandler."
319 "snmpIndicationHandler."
320 "FAILED_TO_DELIVER_TRAP",
321 "Failed to deliver trap."));
322 }
323 sessionPtr->securityEngineIDLen = engineIdBinLen;
324 sessionPtr->securityEngineID = engineIdBin;
325
326 switch(snmpSecLevel)
327 {
328 case 1:
329 sessionPtr->securityLevel = SNMP_SEC_LEVEL_NOAUTH;
330 break;
331 case 2:
332 sessionPtr->securityLevel = SNMP_SEC_LEVEL_AUTHNOPRIV;
333 break;
334 case 3:
335 sessionPtr->securityLevel = SNMP_SEC_LEVEL_AUTHPRIV;
336 sahana.prabhakar 1.25 break;
337 default:
338 //use the dedault in the net-snmp conf file.
339 break;
340 }
341
342 SNMP_FREE(sessionPtr->securityAuthProto);
343 if(snmpSecAuthProto == 1) // MD5
344 {
345 sessionPtr->securityAuthProto = snmp_duplicate_objid(
346 usmHMACMD5AuthProtocol,
347 USM_AUTH_PROTO_MD5_LEN);
348 sessionPtr->securityAuthProtoLen = USM_AUTH_PROTO_MD5_LEN;
349 }
350 else if(snmpSecAuthProto == 2)// SHA
351 {
352 sessionPtr->securityAuthProto = snmp_duplicate_objid(
353 usmHMACSHA1AuthProtocol,
354 USM_AUTH_PROTO_SHA_LEN);
355 sessionPtr->securityAuthProtoLen = USM_AUTH_PROTO_SHA_LEN;
356 }
357 sahana.prabhakar 1.25 // use the default in net-snmp conf files.
358
359 if(snmpSecAuthKey.size() > 0)
360 {
361 for(Uint32 i=0;i<snmpSecAuthKey.size();i++)
362 {
363 sessionPtr->securityAuthKey[i] = snmpSecAuthKey[i];
364 }
365 sessionPtr->securityAuthKeyLen = snmpSecAuthKey.size();
366 }
367
368 SNMP_FREE(sessionPtr->securityPrivProto);
369 //Privacy
370 if(snmpSecPrivProto == 1) //DES
371 {
372 sessionPtr->securityPrivProto = snmp_duplicate_objid(
373 usmDESPrivProtocol,
374 USM_PRIV_PROTO_DES_LEN);
375 sessionPtr->securityPrivProtoLen = USM_PRIV_PROTO_DES_LEN;
376 }
377 else if(snmpSecPrivProto == 2) // AES
378 sahana.prabhakar 1.25 {
379 sessionPtr->securityPrivProto = snmp_duplicate_objid(
380 usmAESPrivProtocol,
381 USM_PRIV_PROTO_AES_LEN);
382 sessionPtr->securityPrivProtoLen = USM_PRIV_PROTO_AES_LEN;
383 }
384 // use the defaults in net-snmp conf files
385
386 // Privacy Key
387 if(snmpSecPrivKey.size() > 0)
388 {
389 for(Uint32 j=0;j<snmpSecPrivKey.size();j++)
390 {
391 sessionPtr->securityPrivKey[j] = snmpSecPrivKey[j];
392 }
393 sessionPtr->securityPrivKeyLen = snmpSecPrivKey.size();
394 }
395 break;
396 }
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397 sahana.prabhakar 1.26 #endif // ifdef PEGASUS_ENABLE_NET_SNMPV3
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398 sahana.prabhakar 1.25 default:
399 {
400 PEG_METHOD_EXIT();
401 throw PEGASUS_CIM_EXCEPTION_L(CIM_ERR_NOT_SUPPORTED,
402 MessageLoaderParms(
403 _MSG_VERSION_NOT_SUPPORTED_KEY,
404 _MSG_VERSION_NOT_SUPPORTED));
405 }
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406 yi.zhou 1.1 }
407
408 }
409 catch (...)
410 {
411 _destroySession(sessionHandle);
412
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413 kumpf 1.10 PEG_METHOD_EXIT();
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414 yi.zhou 1.1 throw;
415 }
416
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417 kumpf 1.10 PEG_METHOD_EXIT();
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418 yi.zhou 1.1 }
419
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420 sahana.prabhakar 1.25 void snmpDeliverTrap_netsnmp::_addCommunity(
421 struct snmp_session*& sessionPtr,
422 const String& securityName)
423 {
424 PEG_METHOD_ENTER(TRC_IND_HANDLER,
425 "snmpDeliverTrap_netsnmp::_addCommunity");
426
427 // Community Name, default is public
428 String communityName;
429 if (securityName.size() == 0)
430 {
431 communityName.assign("public");
432 }
433 else
434 {
435 communityName = securityName;
436 }
437
438 free(sessionPtr->community);
439
440 CString communityNameCStr = communityName.getCString();
441 sahana.prabhakar 1.25 size_t communityNameLen = strlen(communityNameCStr);
442
443 sessionPtr->community = (u_char*)calloc(1,communityNameLen+1);
444
445 memcpy(sessionPtr->community, (const char*)communityNameCStr,
446 communityNameLen);
447
448 sessionPtr->community_len = communityNameLen;
449 PEG_METHOD_EXIT();
450 }
451
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452 yi.zhou 1.1 // Creates a SNMP session
453 void snmpDeliverTrap_netsnmp::_destroySession(
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454 kumpf 1.10 void* sessionHandle)
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455 yi.zhou 1.1 {
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456 kumpf 1.10 PEG_METHOD_ENTER(TRC_IND_HANDLER,
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457 yi.zhou 1.1 "snmpDeliverTrap_netsnmp::_destroySession");
458
459 snmp_sess_close(sessionHandle);
460
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461 kumpf 1.10 PEG_METHOD_EXIT();
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462 yi.zhou 1.1 }
463
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464 kumpf 1.10 // Creates a SNMP TRAP PDU
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465 yi.zhou 1.1 void snmpDeliverTrap_netsnmp::_createPdu(
466 Uint16 snmpVersion,
467 const String& trapOid,
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468 kumpf 1.10 snmp_session*& sessionPtr,
469 snmp_pdu*& snmpPdu)
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470 yi.zhou 1.1 {
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471 kumpf 1.10 PEG_METHOD_ENTER(TRC_IND_HANDLER, "snmpDeliverTrap_netsnmp::_createPdu");
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472 yi.zhou 1.1
473 oid _SYSTEM_UP_TIME_OID [] = {1,3,6,1,2,1,1,3,0};
474 oid _SNMPTRAP_OID [] = {1,3,6,1,6,3,1,1,4,1,0};
475
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476 kumpf 1.10 in_addr_t* pduInAddr;
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477 yi.zhou 1.1
478 switch (snmpVersion)
479 {
480 case _SNMPv1_TRAP:
481 {
482 // Create the PDU
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483 kumpf 1.10 snmpPdu = snmp_pdu_create(SNMP_MSG_TRAP);
484
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485 yi.zhou 1.1 // Failed to create pdu
486 if (!snmpPdu)
487 {
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488 kumpf 1.10 PEG_METHOD_EXIT();
489 throw PEGASUS_CIM_EXCEPTION_L(CIM_ERR_FAILED,
490 MessageLoaderParms(
491 _MSG_PDU_CREATE_FAILED_KEY,
492 _MSG_PDU_CREATE_FAILED));
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493 yi.zhou 1.1 }
494
495 // Make sure that the v1 trap PDU includes the local IP address
496 pduInAddr = (in_addr_t*) snmpPdu->agent_addr;
497 *pduInAddr = get_myaddr();
498
499 // get system up time
500 snmpPdu->time = get_uptime();
501
502 // Pack trap information into the PDU
503 try
504 {
505 _packTrapInfoIntoPdu(trapOid, snmpPdu);
506 }
507 catch (CIMException& e)
508 {
|
509 kumpf 1.10 Logger::put_l(
510 Logger::STANDARD_LOG, System::CIMSERVER, Logger::WARNING,
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511 kumpf 1.18 MessageLoaderParms(
512 _MSG_PACK_TRAP_INFO_INTO_PDU_FAILED_KEY,
513 _MSG_PACK_TRAP_INFO_INTO_PDU_FAILED,
514 e.getMessage()));
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515 yi.zhou 1.1 }
516
517 break;
518 }
519 case _SNMPv2C_TRAP:
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520 sahana.prabhakar 1.25 case _SNMPv3_TRAP:
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521 yi.zhou 1.1 {
522 // Create the PDU
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523 kumpf 1.10 snmpPdu = snmp_pdu_create(SNMP_MSG_TRAP2);
524
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525 yi.zhou 1.1 // Failed to create pdu
526 if (!snmpPdu)
527 {
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528 kumpf 1.10 PEG_METHOD_EXIT();
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529 yi.zhou 1.1
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530 kumpf 1.10 throw PEGASUS_CIM_EXCEPTION_L(CIM_ERR_FAILED,
531 MessageLoaderParms(
532 _MSG_PDU_CREATE_FAILED_KEY,
533 _MSG_PDU_CREATE_FAILED));
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534 yi.zhou 1.1 }
535
536 // Add sysUpTime to the PDU
537 char sysUpTime[32];
538 sprintf(sysUpTime, "%ld", get_uptime());
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539 kumpf 1.10
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540 yi.zhou 1.1 Sint32 retCode;
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541 kumpf 1.10 retCode = snmp_add_var(
542 snmpPdu,
543 _SYSTEM_UP_TIME_OID,
544 OID_LENGTH(_SYSTEM_UP_TIME_OID),
545 't',
546 sysUpTime);
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547 yi.zhou 1.1
548 // Failed to add sysUpTime to the pdu
549 if (retCode != 0)
550 {
551 String errMsg = snmp_api_errstring(retCode);
552
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553 kumpf 1.10 Logger::put_l(
554 Logger::STANDARD_LOG, System::CIMSERVER, Logger::WARNING,
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555 kumpf 1.18 MessageLoaderParms(
556 _MSG_ADD_SYSUPTIME_TO_PDU_FAILED_KEY,
557 _MSG_ADD_SYSUPTIME_TO_PDU_FAILED,
558 errMsg));
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559 yi.zhou 1.1 }
560
561 // Add snmp trap to the PDU
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562 kumpf 1.10 retCode = snmp_add_var(
563 snmpPdu,
564 _SNMPTRAP_OID,
565 OID_LENGTH(_SNMPTRAP_OID),
566 'o',
567 trapOid.getCString());
|
568 yi.zhou 1.1
569 // Failed to add snmp trap to the pdu
570 if (retCode != 0)
571 {
572 String errMsg = snmp_api_errstring(retCode);
573
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574 kumpf 1.10 Logger::put_l(
575 Logger::STANDARD_LOG, System::CIMSERVER, Logger::WARNING,
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576 kumpf 1.18 MessageLoaderParms(
577 _MSG_ADD_SNMP_TRAP_TO_PDU_FAILED_KEY,
578 _MSG_ADD_SNMP_TRAP_TO_PDU_FAILED,
579 errMsg));
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580 yi.zhou 1.1 }
581
582 break;
583 }
584 default:
585 {
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586 kumpf 1.10 PEG_METHOD_EXIT();
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587 yi.zhou 1.1
588 throw PEGASUS_CIM_EXCEPTION_L(CIM_ERR_NOT_SUPPORTED,
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589 kumpf 1.10 MessageLoaderParms(
590 _MSG_VERSION_NOT_SUPPORTED_KEY,
591 _MSG_VERSION_NOT_SUPPORTED));
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592 yi.zhou 1.1 }
593 }
594
|
595 kumpf 1.10 PEG_METHOD_EXIT();
|
596 yi.zhou 1.1 }
597
598
599 // Pack trap information into the PDU
600 void snmpDeliverTrap_netsnmp::_packTrapInfoIntoPdu(
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601 kumpf 1.10 const String& trapOid,
602 snmp_pdu* snmpPdu)
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603 yi.zhou 1.1 {
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604 kumpf 1.10 PEG_METHOD_ENTER(TRC_IND_HANDLER,
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605 yi.zhou 1.1 "snmpDeliverTrap_netsnmp::_packTrapInfoIntoPdu");
606
607 oid enterpriseOid[MAX_OID_LEN];
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608 kumpf 1.10 size_t enterpriseOidLength;
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609 yi.zhou 1.1
610 Array<String> standard_traps;
611
612 standard_traps.append(String("1.3.6.1.6.3.1.1.5.1"));
613 standard_traps.append(String("1.3.6.1.6.3.1.1.5.2"));
614 standard_traps.append(String("1.3.6.1.6.3.1.1.5.3"));
615 standard_traps.append(String("1.3.6.1.6.3.1.1.5.4"));
616 standard_traps.append(String("1.3.6.1.6.3.1.1.5.5"));
617 standard_traps.append(String("1.3.6.1.6.3.1.1.5.6"));
618
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619 kumpf 1.10 Array<const char*> oidSubIdentifiers;
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620 yi.zhou 1.1
621 CString trapOidCStr = trapOid.getCString();
622
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623 kumpf 1.10 char* trapOidCopy = strdup(trapOidCStr);
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624 sahana.prabhakar 1.25 char* numericEntOid = (char*) malloc(strlen(trapOidCStr)+1);
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625 yi.zhou 1.9
626 try
627 {
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628 yi.zhou 1.1
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629 a.dunfey 1.12 #if !defined(PEGASUS_OS_TYPE_WINDOWS) && !defined(PEGASUS_OS_ZOS)
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630 kumpf 1.10 char* last;
631 for (const char* p = strtok_r(trapOidCopy, ".", &last); p;
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632 yi.zhou 1.9 p=strtok_r(NULL, ".", &last))
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633 yi.zhou 1.1 #else
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634 yi.zhou 1.9 for (const char* p = strtok(trapOidCopy, "."); p; p=strtok(NULL, "."))
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635 yi.zhou 1.1 #endif
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636 yi.zhou 1.9 {
637 oidSubIdentifiers.append(p);
638 }
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639 yi.zhou 1.1
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640 yi.zhou 1.9 enterpriseOidLength = MAX_OID_LEN;
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641 yi.zhou 1.1
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642 yi.zhou 1.9 if (Contains(standard_traps, trapOid))
643 {
644 //
645 // if the trapOid is one of the standard traps,
646 // then the SNMPV1 enterprise parameter must be set
647 // to the value of the trapOid, the generic-trap
648 // parameter must be set to one of (0 - 5), and the
649 // specific-trap parameter must be set to 0
650 //
651
652 // Convert trapOid from numeric form to a list of subidentifiers
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653 kumpf 1.10 if (read_objid((const char*)trapOidCStr, enterpriseOid,
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654 yi.zhou 1.9 &enterpriseOidLength) == 0)
655 {
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656 kumpf 1.10 // Failed to parse trapOid
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657 yi.zhou 1.9
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658 kumpf 1.10 PEG_METHOD_EXIT();
659 throw PEGASUS_CIM_EXCEPTION_L(CIM_ERR_FAILED,
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660 yi.zhou 1.9 MessageLoaderParms(_MSG_READ_OBJID_FAILED_KEY,
661 _MSG_READ_OBJID_FAILED,
662 trapOid));
663 }
664
665 // the generic trap is last sub-identifier of the
666 // trapOid minus 1
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667 kumpf 1.10 snmpPdu->trap_type =
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668 yi.zhou 1.9 atoi(oidSubIdentifiers[oidSubIdentifiers.size() - 1]) - 1;
669 snmpPdu->specific_type = 0;
|
670 yi.zhou 1.1 }
|
671 yi.zhou 1.9 else
|
672 yi.zhou 1.1 {
|
673 yi.zhou 1.9 //
674 // if the trapOid is not one of the standard traps:
675 // then 1) the generic-trap parameter must be set to 6,
676 // 2) if the next-to-last sub-identifier of the
677 // trapOid is zero, then the SNMPV1 enterprise
678 // parameter is the trapOid with the last 2
679 // sub-identifiers removed, otherwise, the
680 // SNMPV1 enterprise parameter is the trapOid
681 // with the last sub-identifier removed;
682 // 3) the SNMPv1 specific-trap parameter is the last
683 // sub-identifier of the trapOid;
684 //
685
686 snmpPdu->trap_type = 6;
687
|
688 kumpf 1.10 snmpPdu->specific_type =
|
689 yi.zhou 1.9 atoi(oidSubIdentifiers[oidSubIdentifiers.size()-1]);
690
691 strcpy(numericEntOid, oidSubIdentifiers[0]);
692 for (Uint32 i = 1; i < oidSubIdentifiers.size()-2; i++)
693 {
694 strcat(numericEntOid, ".");
695 strcat(numericEntOid, oidSubIdentifiers[i]);
696 }
697
698 if (strcmp(oidSubIdentifiers[oidSubIdentifiers.size()-2], "0") != 0)
699 {
700 strcat(numericEntOid, ".");
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701 kumpf 1.10 strcat(numericEntOid,
|
702 yi.zhou 1.9 oidSubIdentifiers[oidSubIdentifiers.size()-2]);
703 }
|
704 yi.zhou 1.1
|
705 kumpf 1.10 // Convert ent from numeric form to a list of subidentifiers
706 if (read_objid(numericEntOid, enterpriseOid,
|
707 yi.zhou 1.9 &enterpriseOidLength) == 0)
708 {
709 // Failed to parse numericEntOid
|
710 yi.zhou 1.1
|
711 kumpf 1.10 PEG_METHOD_EXIT();
|
712 yi.zhou 1.1
|
713 kumpf 1.10 throw PEGASUS_CIM_EXCEPTION_L(CIM_ERR_FAILED,
|
714 yi.zhou 1.9 MessageLoaderParms(_MSG_READ_ENTOID_FAILED_KEY,
715 _MSG_READ_ENTOID_FAILED,
716 String(numericEntOid)));
717 }
|
718 yi.zhou 1.1
719 }
720
|
721 sahana.prabhakar 1.25 SNMP_FREE(snmpPdu->enterprise);
|
722 yi.zhou 1.9 snmpPdu->enterprise = (oid*) malloc(enterpriseOidLength * sizeof(oid));
|
723 sahana.prabhakar 1.25 memcpy(snmpPdu->enterprise, enterpriseOid,
|
724 kumpf 1.10 enterpriseOidLength * sizeof(oid));
|
725 yi.zhou 1.9
726 snmpPdu->enterprise_length = enterpriseOidLength;
|
727 yi.zhou 1.1 }
|
728 yi.zhou 1.9 catch (...)
729 {
730 free(trapOidCopy);
731 free(numericEntOid);
|
732 yi.zhou 1.1
|
733 yi.zhou 1.9 PEG_METHOD_EXIT();
734 throw;
735 }
|
736 yi.zhou 1.1
737 free(trapOidCopy);
738 free(numericEntOid);
739
|
740 kumpf 1.10 PEG_METHOD_EXIT();
|
741 yi.zhou 1.1 }
742
743 // Pack oids into the PDU
744 void snmpDeliverTrap_netsnmp::_packOidsIntoPdu(
745 const Array<String>& vbOids,
746 const Array<String>& vbTypes,
747 const Array<String>& vbValues,
|
748 kumpf 1.10 snmp_pdu* snmpPdu)
|
749 yi.zhou 1.1 {
750
|
751 kumpf 1.10 PEG_METHOD_ENTER(TRC_IND_HANDLER,
|
752 yi.zhou 1.1 "snmpDeliverTrap_netsnmp::_packOidsIntoPdu");
753
754 char dataType;
755 oid vbOid[MAX_OID_LEN];
756 size_t vbOidLength = MAX_OID_LEN;
757
758 for (Uint32 i=0; i < vbOids.size(); i++)
759 {
760 if (vbTypes[i] == "OctetString")
761 {
762 dataType = 's';
763 }
764 else if (vbTypes[i] == "Integer")
765 {
766 dataType = 'i';
|
767 kumpf 1.10 }
|
768 yi.zhou 1.1 else if (vbTypes[i] == "OID")
769 {
770 dataType = 'o';
771 }
772 else
773 {
|
774 kumpf 1.10 // Integer, OctetString, and OID are supported SNMP Data Types
|
775 yi.zhou 1.1 // for the CIM Property
776
|
777 kumpf 1.10 PEG_METHOD_EXIT();
|
778 yi.zhou 1.1
|
779 kumpf 1.10 throw PEGASUS_CIM_EXCEPTION_L(CIM_ERR_FAILED,
|
780 yi.zhou 1.1 MessageLoaderParms(_MSG_UNSUPPORTED_SNMP_DATA_TYPE_KEY,
781 _MSG_UNSUPPORTED_SNMP_DATA_TYPE,
782 vbTypes[i]));
783
784 }
785
|
786 kumpf 1.10 // Convert oid of a CIM property from numeric form to a list of
787 // subidentifiers
788 if (read_objid((const char*)vbOids[i].getCString(), vbOid,
|
789 yi.zhou 1.1 &vbOidLength) == 0)
790 {
791 // Failed to parse vbOids
792
|
793 kumpf 1.10 PEG_METHOD_EXIT();
|
794 yi.zhou 1.1
|
795 kumpf 1.10 throw PEGASUS_CIM_EXCEPTION_L(CIM_ERR_FAILED,
|
796 yi.zhou 1.1 MessageLoaderParms(_MSG_PARSE_CIM_PROPERTY_OID_FAILED_KEY,
797 _MSG_PARSE_CIM_PROPERTY_OID_FAILED,
798 vbOids[i]));
799 }
800
801 Sint32 retCode;
|
802 kumpf 1.10 retCode = snmp_add_var(snmpPdu, vbOid, vbOidLength, dataType,
|
803 yi.zhou 1.1 vbValues[i].getCString());
804
805 // Failed to add vbOid to the pdu
806 if (retCode != 0)
807 {
|
808 kumpf 1.10 PEG_METHOD_EXIT();
|
809 yi.zhou 1.1
|
810 kumpf 1.10 throw PEGASUS_CIM_EXCEPTION_L(CIM_ERR_FAILED,
|
811 yi.zhou 1.1 MessageLoaderParms(_MSG_ADD_VAR_TO_PDU_FAILED_KEY,
812 _MSG_ADD_VAR_TO_PDU_FAILED,
813 vbOids[i],
|
814 kumpf 1.10 String(snmp_api_errstring(retCode))));
|
815 yi.zhou 1.1
816 }
817 }
818
|
819 kumpf 1.10 PEG_METHOD_EXIT();
|
820 yi.zhou 1.1 }
821
822 PEGASUS_NAMESPACE_END
|
Return to
snmpDeliverTrap_netsnmp.cpp
CVS log
Up to [Pegasus] / pegasus / src / Pegasus / Handler / snmpIndicationHandler