Mercurial > hg > orthanc
annotate OrthancServer/Internals/CommandDispatcher.cpp @ 690:2e67366aab83
case-insensitive matching of Application Entity Titles
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 04 Feb 2014 15:54:46 +0100 |
| parents | 2d0a347e8cfc |
| children | 0a2f8c707c78 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 62 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
| 689 | 3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, |
| 0 | 4 * Belgium |
| 5 * | |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU General Public License as | |
| 8 * published by the Free Software Foundation, either version 3 of the | |
| 9 * License, or (at your option) any later version. | |
| 136 | 10 * |
| 11 * In addition, as a special exception, the copyright holders of this | |
| 12 * program give permission to link the code of its release with the | |
| 13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 14 * that use the same license as the "OpenSSL" library), and distribute | |
| 15 * the linked executables. You must obey the GNU General Public License | |
| 16 * in all respects for all of the code used other than "OpenSSL". If you | |
| 17 * modify file(s) with this exception, you may extend this exception to | |
| 18 * your version of the file(s), but you are not obligated to do so. If | |
| 19 * you do not wish to do so, delete this exception statement from your | |
| 20 * version. If you delete this exception statement from all source files | |
| 21 * in the program, then also delete it here. | |
| 0 | 22 * |
| 23 * This program is distributed in the hope that it will be useful, but | |
| 24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 26 * General Public License for more details. | |
| 27 * | |
| 28 * You should have received a copy of the GNU General Public License | |
| 29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 30 **/ | |
| 31 | |
| 32 | |
| 33 #include "CommandDispatcher.h" | |
| 34 | |
| 35 #include "FindScp.h" | |
| 36 #include "StoreScp.h" | |
| 37 #include "MoveScp.h" | |
| 38 #include "../../Core/Toolbox.h" | |
| 39 | |
| 40 #include <dcmtk/dcmnet/dcasccfg.h> /* for class DcmAssociationConfiguration */ | |
| 101 | 41 #include <boost/lexical_cast.hpp> |
|
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42 #include <glog/logging.h> |
| 0 | 43 |
| 503 | 44 #define ORTHANC_PROMISCUOUS 1 |
| 45 | |
| 0 | 46 static OFBool opt_rejectWithoutImplementationUID = OFFalse; |
| 47 | |
| 48 | |
| 503 | 49 |
| 50 #if ORTHANC_PROMISCUOUS == 1 | |
| 51 static | |
| 52 DUL_PRESENTATIONCONTEXT * | |
| 53 findPresentationContextID(LST_HEAD * head, | |
| 54 T_ASC_PresentationContextID presentationContextID) | |
| 55 { | |
| 56 DUL_PRESENTATIONCONTEXT *pc; | |
| 57 LST_HEAD **l; | |
| 58 OFBool found = OFFalse; | |
| 59 | |
| 60 if (head == NULL) | |
| 61 return NULL; | |
| 62 | |
| 63 l = &head; | |
| 64 if (*l == NULL) | |
| 65 return NULL; | |
| 66 | |
| 67 pc = OFstatic_cast(DUL_PRESENTATIONCONTEXT *, LST_Head(l)); | |
| 68 (void)LST_Position(l, OFstatic_cast(LST_NODE *, pc)); | |
| 69 | |
| 70 while (pc && !found) { | |
| 71 if (pc->presentationContextID == presentationContextID) { | |
| 72 found = OFTrue; | |
| 73 } else { | |
| 74 pc = OFstatic_cast(DUL_PRESENTATIONCONTEXT *, LST_Next(l)); | |
| 75 } | |
| 76 } | |
| 77 return pc; | |
| 78 } | |
| 79 | |
| 80 | |
| 81 /** accept all presenstation contexts for unknown SOP classes, | |
| 82 * i.e. UIDs appearing in the list of abstract syntaxes | |
| 83 * where no corresponding name is defined in the UID dictionary. | |
| 84 * @param params pointer to association parameters structure | |
| 85 * @param transferSyntax transfer syntax to accept | |
| 86 * @param acceptedRole SCU/SCP role to accept | |
| 87 */ | |
| 88 static OFCondition acceptUnknownContextsWithTransferSyntax( | |
| 89 T_ASC_Parameters * params, | |
| 90 const char* transferSyntax, | |
| 91 T_ASC_SC_ROLE acceptedRole) | |
| 92 { | |
| 93 OFCondition cond = EC_Normal; | |
| 94 int n, i, k; | |
| 95 DUL_PRESENTATIONCONTEXT *dpc; | |
| 96 T_ASC_PresentationContext pc; | |
| 97 OFBool accepted = OFFalse; | |
| 98 OFBool abstractOK = OFFalse; | |
| 99 | |
| 100 n = ASC_countPresentationContexts(params); | |
| 101 for (i = 0; i < n; i++) | |
| 102 { | |
| 103 cond = ASC_getPresentationContext(params, i, &pc); | |
| 104 if (cond.bad()) return cond; | |
| 105 abstractOK = OFFalse; | |
| 106 accepted = OFFalse; | |
| 107 | |
| 108 if (dcmFindNameOfUID(pc.abstractSyntax) == NULL) | |
| 109 { | |
| 110 abstractOK = OFTrue; | |
| 111 | |
| 112 /* check the transfer syntax */ | |
| 113 for (k = 0; (k < OFstatic_cast(int, pc.transferSyntaxCount)) && !accepted; k++) | |
| 114 { | |
| 115 if (strcmp(pc.proposedTransferSyntaxes[k], transferSyntax) == 0) | |
| 116 { | |
| 117 accepted = OFTrue; | |
| 118 } | |
| 119 } | |
| 120 } | |
| 121 | |
| 122 if (accepted) | |
| 123 { | |
| 124 cond = ASC_acceptPresentationContext( | |
| 125 params, pc.presentationContextID, | |
| 126 transferSyntax, acceptedRole); | |
| 127 if (cond.bad()) return cond; | |
| 128 } else { | |
| 129 T_ASC_P_ResultReason reason; | |
| 130 | |
| 131 /* do not refuse if already accepted */ | |
| 132 dpc = findPresentationContextID(params->DULparams.acceptedPresentationContext, | |
| 133 pc.presentationContextID); | |
| 134 if ((dpc == NULL) || ((dpc != NULL) && (dpc->result != ASC_P_ACCEPTANCE))) | |
| 135 { | |
| 136 | |
| 137 if (abstractOK) { | |
| 138 reason = ASC_P_TRANSFERSYNTAXESNOTSUPPORTED; | |
| 139 } else { | |
| 140 reason = ASC_P_ABSTRACTSYNTAXNOTSUPPORTED; | |
| 141 } | |
| 142 /* | |
| 143 * If previously this presentation context was refused | |
| 144 * because of bad transfer syntax let it stay that way. | |
| 145 */ | |
| 146 if ((dpc != NULL) && (dpc->result == ASC_P_TRANSFERSYNTAXESNOTSUPPORTED)) | |
| 147 reason = ASC_P_TRANSFERSYNTAXESNOTSUPPORTED; | |
| 148 | |
| 149 cond = ASC_refusePresentationContext(params, pc.presentationContextID, reason); | |
| 150 if (cond.bad()) return cond; | |
| 151 } | |
| 152 } | |
| 153 } | |
| 154 return EC_Normal; | |
| 155 } | |
| 156 | |
| 157 | |
| 158 /** accept all presenstation contexts for unknown SOP classes, | |
| 159 * i.e. UIDs appearing in the list of abstract syntaxes | |
| 160 * where no corresponding name is defined in the UID dictionary. | |
| 161 * This method is passed a list of "preferred" transfer syntaxes. | |
| 162 * @param params pointer to association parameters structure | |
| 163 * @param transferSyntax transfer syntax to accept | |
| 164 * @param acceptedRole SCU/SCP role to accept | |
| 165 */ | |
| 166 static OFCondition acceptUnknownContextsWithPreferredTransferSyntaxes( | |
| 167 T_ASC_Parameters * params, | |
| 168 const char* transferSyntaxes[], int transferSyntaxCount, | |
| 169 T_ASC_SC_ROLE acceptedRole = ASC_SC_ROLE_DEFAULT) | |
| 170 { | |
| 171 OFCondition cond = EC_Normal; | |
| 172 /* | |
| 173 ** Accept in the order "least wanted" to "most wanted" transfer | |
| 174 ** syntax. Accepting a transfer syntax will override previously | |
| 175 ** accepted transfer syntaxes. | |
| 176 */ | |
| 177 for (int i = transferSyntaxCount - 1; i >= 0; i--) | |
| 178 { | |
| 179 cond = acceptUnknownContextsWithTransferSyntax(params, transferSyntaxes[i], acceptedRole); | |
| 180 if (cond.bad()) return cond; | |
| 181 } | |
| 182 return cond; | |
| 183 } | |
| 184 #endif | |
| 185 | |
| 186 | |
| 62 | 187 namespace Orthanc |
| 0 | 188 { |
| 189 namespace Internals | |
| 190 { | |
| 191 OFCondition AssociationCleanup(T_ASC_Association *assoc) | |
| 192 { | |
| 193 OFString temp_str; | |
| 194 OFCondition cond = ASC_dropSCPAssociation(assoc); | |
| 195 if (cond.bad()) | |
| 196 { | |
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197 LOG(FATAL) << cond.text(); |
| 0 | 198 return cond; |
| 199 } | |
| 200 | |
| 201 cond = ASC_destroyAssociation(&assoc); | |
| 202 if (cond.bad()) | |
| 203 { | |
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204 LOG(FATAL) << cond.text(); |
| 0 | 205 return cond; |
| 206 } | |
| 207 | |
| 208 return cond; | |
| 209 } | |
| 210 | |
| 211 | |
| 212 | |
| 213 CommandDispatcher* AcceptAssociation(const DicomServer& server, T_ASC_Network *net) | |
| 214 { | |
| 215 DcmAssociationConfiguration asccfg; | |
| 216 char buf[BUFSIZ]; | |
| 217 T_ASC_Association *assoc; | |
| 218 OFCondition cond; | |
| 219 OFString sprofile; | |
| 220 OFString temp_str; | |
| 221 | |
| 222 std::vector<const char*> knownAbstractSyntaxes; | |
| 223 | |
| 224 // For C-STORE | |
| 225 if (server.HasStoreRequestHandlerFactory()) | |
| 226 { | |
| 227 knownAbstractSyntaxes.push_back(UID_VerificationSOPClass); | |
| 228 } | |
| 229 | |
| 230 // For C-FIND | |
| 231 if (server.HasFindRequestHandlerFactory()) | |
| 232 { | |
| 233 knownAbstractSyntaxes.push_back(UID_FINDPatientRootQueryRetrieveInformationModel); | |
| 234 knownAbstractSyntaxes.push_back(UID_FINDStudyRootQueryRetrieveInformationModel); | |
| 235 } | |
| 236 | |
| 237 // For C-MOVE | |
| 238 if (server.HasMoveRequestHandlerFactory()) | |
| 239 { | |
| 240 knownAbstractSyntaxes.push_back(UID_MOVEStudyRootQueryRetrieveInformationModel); | |
| 665 | 241 knownAbstractSyntaxes.push_back(UID_MOVEPatientRootQueryRetrieveInformationModel); |
| 0 | 242 } |
| 243 | |
| 244 cond = ASC_receiveAssociation(net, &assoc, | |
| 245 /*opt_maxPDU*/ ASC_DEFAULTMAXPDU, | |
| 246 NULL, NULL, | |
| 247 /*opt_secureConnection*/ OFFalse, | |
| 248 DUL_NOBLOCK, 1); | |
| 249 | |
| 250 if (cond == DUL_NOASSOCIATIONREQUEST) | |
| 251 { | |
| 252 // Timeout | |
| 253 AssociationCleanup(assoc); | |
| 254 return NULL; | |
| 255 } | |
| 256 | |
| 257 // if some kind of error occured, take care of it | |
| 258 if (cond.bad()) | |
| 259 { | |
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260 LOG(ERROR) << "Receiving Association failed: " << cond.text(); |
| 0 | 261 // no matter what kind of error occurred, we need to do a cleanup |
| 262 AssociationCleanup(assoc); | |
| 263 return NULL; | |
| 264 } | |
| 265 | |
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266 LOG(INFO) << "Association Received"; |
| 0 | 267 |
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268 std::vector<const char*> transferSyntaxes; |
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269 |
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270 // This is the list of the transfer syntaxes that were supported up to Orthanc 0.7.1 |
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271 transferSyntaxes.push_back(UID_LittleEndianExplicitTransferSyntax); |
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272 transferSyntaxes.push_back(UID_BigEndianExplicitTransferSyntax); |
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273 transferSyntaxes.push_back(UID_LittleEndianImplicitTransferSyntax); |
| 665 | 274 |
| 275 // New transfer syntaxes supported since Orthanc 0.7.2 | |
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276 transferSyntaxes.push_back(UID_DeflatedExplicitVRLittleEndianTransferSyntax); |
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277 transferSyntaxes.push_back(UID_JPEGProcess1TransferSyntax); |
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278 transferSyntaxes.push_back(UID_JPEGProcess2_4TransferSyntax); |
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279 transferSyntaxes.push_back(UID_JPEGProcess3_5TransferSyntax); |
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280 transferSyntaxes.push_back(UID_JPEGProcess6_8TransferSyntax); |
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281 transferSyntaxes.push_back(UID_JPEGProcess7_9TransferSyntax); |
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282 transferSyntaxes.push_back(UID_JPEGProcess10_12TransferSyntax); |
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283 transferSyntaxes.push_back(UID_JPEGProcess11_13TransferSyntax); |
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284 transferSyntaxes.push_back(UID_JPEGProcess14TransferSyntax); |
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285 transferSyntaxes.push_back(UID_JPEGProcess15TransferSyntax); |
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286 transferSyntaxes.push_back(UID_JPEGProcess16_18TransferSyntax); |
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287 transferSyntaxes.push_back(UID_JPEGProcess17_19TransferSyntax); |
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288 transferSyntaxes.push_back(UID_JPEGProcess20_22TransferSyntax); |
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289 transferSyntaxes.push_back(UID_JPEGProcess21_23TransferSyntax); |
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290 transferSyntaxes.push_back(UID_JPEGProcess24_26TransferSyntax); |
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291 transferSyntaxes.push_back(UID_JPEGProcess25_27TransferSyntax); |
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292 transferSyntaxes.push_back(UID_JPEGProcess28TransferSyntax); |
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293 transferSyntaxes.push_back(UID_JPEGProcess29TransferSyntax); |
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294 transferSyntaxes.push_back(UID_JPEGProcess14SV1TransferSyntax); |
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295 transferSyntaxes.push_back(UID_JPEGLSLosslessTransferSyntax); |
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296 transferSyntaxes.push_back(UID_JPEGLSLossyTransferSyntax); |
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297 transferSyntaxes.push_back(UID_JPEG2000LosslessOnlyTransferSyntax); |
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298 transferSyntaxes.push_back(UID_JPEG2000TransferSyntax); |
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299 transferSyntaxes.push_back(UID_JPEG2000Part2MulticomponentImageCompressionLosslessOnlyTransferSyntax); |
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300 transferSyntaxes.push_back(UID_JPEG2000Part2MulticomponentImageCompressionTransferSyntax); |
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301 transferSyntaxes.push_back(UID_JPIPReferencedTransferSyntax); |
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302 transferSyntaxes.push_back(UID_JPIPReferencedDeflateTransferSyntax); |
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303 transferSyntaxes.push_back(UID_MPEG2MainProfileAtMainLevelTransferSyntax); |
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304 transferSyntaxes.push_back(UID_MPEG2MainProfileAtHighLevelTransferSyntax); |
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305 transferSyntaxes.push_back(UID_RLELosslessTransferSyntax); |
| 0 | 306 |
| 307 /* accept the Verification SOP Class if presented */ | |
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308 cond = ASC_acceptContextsWithPreferredTransferSyntaxes( assoc->params, &knownAbstractSyntaxes[0], knownAbstractSyntaxes.size(), &transferSyntaxes[0], transferSyntaxes.size()); |
| 0 | 309 if (cond.bad()) |
| 310 { | |
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311 LOG(INFO) << cond.text(); |
| 0 | 312 AssociationCleanup(assoc); |
| 313 return NULL; | |
| 314 } | |
| 315 | |
| 316 /* the array of Storage SOP Class UIDs comes from dcuid.h */ | |
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317 cond = ASC_acceptContextsWithPreferredTransferSyntaxes( assoc->params, dcmAllStorageSOPClassUIDs, numberOfAllDcmStorageSOPClassUIDs, &transferSyntaxes[0], transferSyntaxes.size()); |
| 0 | 318 if (cond.bad()) |
| 319 { | |
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320 LOG(INFO) << cond.text(); |
| 0 | 321 AssociationCleanup(assoc); |
| 322 return NULL; | |
| 323 } | |
| 324 | |
| 503 | 325 #if ORTHANC_PROMISCUOUS == 1 |
| 326 /* accept everything not known not to be a storage SOP class */ | |
| 327 cond = acceptUnknownContextsWithPreferredTransferSyntaxes( | |
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328 assoc->params, &transferSyntaxes[0], transferSyntaxes.size()); |
| 503 | 329 if (cond.bad()) |
| 330 { | |
| 331 LOG(INFO) << cond.text(); | |
| 332 AssociationCleanup(assoc); | |
| 333 return NULL; | |
| 334 } | |
| 335 #endif | |
| 336 | |
| 0 | 337 /* set our app title */ |
| 338 ASC_setAPTitles(assoc->params, NULL, NULL, server.GetApplicationEntityTitle().c_str()); | |
| 339 | |
| 340 /* acknowledge or reject this association */ | |
| 341 cond = ASC_getApplicationContextName(assoc->params, buf); | |
| 342 if ((cond.bad()) || strcmp(buf, UID_StandardApplicationContext) != 0) | |
| 343 { | |
| 344 /* reject: the application context name is not supported */ | |
| 345 T_ASC_RejectParameters rej = | |
| 346 { | |
| 347 ASC_RESULT_REJECTEDPERMANENT, | |
| 348 ASC_SOURCE_SERVICEUSER, | |
| 349 ASC_REASON_SU_APPCONTEXTNAMENOTSUPPORTED | |
| 350 }; | |
| 351 | |
|
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352 LOG(INFO) << "Association Rejected: Bad Application Context Name: " << buf; |
| 0 | 353 cond = ASC_rejectAssociation(assoc, &rej); |
| 354 if (cond.bad()) | |
| 355 { | |
|
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356 LOG(INFO) << cond.text(); |
| 0 | 357 } |
| 358 AssociationCleanup(assoc); | |
| 359 return NULL; | |
| 360 } | |
|
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361 |
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362 std::string callingIP; |
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363 std::string callingTitle; |
| 0 | 364 |
| 365 /* check the AETs */ | |
| 366 { | |
| 367 DIC_AE callingTitle_C; | |
| 368 DIC_AE calledTitle_C; | |
| 369 DIC_AE callingIP_C; | |
| 370 DIC_AE calledIP_C; | |
| 371 if (ASC_getAPTitles(assoc->params, callingTitle_C, calledTitle_C, NULL).bad() || | |
| 372 ASC_getPresentationAddresses(assoc->params, callingIP_C, calledIP_C).bad()) | |
| 373 { | |
| 374 T_ASC_RejectParameters rej = | |
| 375 { | |
| 376 ASC_RESULT_REJECTEDPERMANENT, | |
| 377 ASC_SOURCE_SERVICEUSER, | |
| 378 ASC_REASON_SU_NOREASON | |
| 379 }; | |
| 380 ASC_rejectAssociation(assoc, &rej); | |
| 381 AssociationCleanup(assoc); | |
| 382 return NULL; | |
| 383 } | |
| 384 | |
|
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385 callingIP = std::string(/*OFSTRING_GUARD*/(callingIP_C)); |
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386 callingTitle = std::string(/*OFSTRING_GUARD*/(callingTitle_C)); |
| 101 | 387 std::string calledTitle(/*OFSTRING_GUARD*/(calledTitle_C)); |
| 0 | 388 |
|
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389 if (!server.IsMyAETitle(calledTitle)) |
| 0 | 390 { |
| 391 T_ASC_RejectParameters rej = | |
| 392 { | |
| 393 ASC_RESULT_REJECTEDPERMANENT, | |
| 394 ASC_SOURCE_SERVICEUSER, | |
| 395 ASC_REASON_SU_CALLEDAETITLENOTRECOGNIZED | |
| 396 }; | |
| 397 ASC_rejectAssociation(assoc, &rej); | |
| 398 AssociationCleanup(assoc); | |
| 399 return NULL; | |
| 400 } | |
| 401 | |
| 402 if (server.HasApplicationEntityFilter() && | |
|
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403 !server.GetApplicationEntityFilter().IsAllowedConnection(callingIP, callingTitle)) |
| 0 | 404 { |
| 405 T_ASC_RejectParameters rej = | |
| 406 { | |
| 407 ASC_RESULT_REJECTEDPERMANENT, | |
| 408 ASC_SOURCE_SERVICEUSER, | |
| 409 ASC_REASON_SU_CALLINGAETITLENOTRECOGNIZED | |
| 410 }; | |
| 411 ASC_rejectAssociation(assoc, &rej); | |
| 412 AssociationCleanup(assoc); | |
| 413 return NULL; | |
| 414 } | |
| 415 } | |
| 416 | |
| 417 if (opt_rejectWithoutImplementationUID && strlen(assoc->params->theirImplementationClassUID) == 0) | |
| 418 { | |
| 419 /* reject: the no implementation Class UID provided */ | |
| 420 T_ASC_RejectParameters rej = | |
| 421 { | |
| 422 ASC_RESULT_REJECTEDPERMANENT, | |
| 423 ASC_SOURCE_SERVICEUSER, | |
| 424 ASC_REASON_SU_NOREASON | |
| 425 }; | |
| 426 | |
|
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427 LOG(INFO) << "Association Rejected: No Implementation Class UID provided"; |
| 0 | 428 cond = ASC_rejectAssociation(assoc, &rej); |
| 429 if (cond.bad()) | |
| 430 { | |
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431 LOG(INFO) << cond.text(); |
| 0 | 432 } |
| 433 AssociationCleanup(assoc); | |
| 434 return NULL; | |
| 435 } | |
| 436 | |
| 437 { | |
| 438 cond = ASC_acknowledgeAssociation(assoc); | |
| 439 if (cond.bad()) | |
| 440 { | |
|
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441 LOG(ERROR) << cond.text(); |
| 0 | 442 AssociationCleanup(assoc); |
| 443 return NULL; | |
| 444 } | |
|
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445 LOG(INFO) << "Association Acknowledged (Max Send PDV: " << assoc->sendPDVLength << ")"; |
| 0 | 446 if (ASC_countAcceptedPresentationContexts(assoc->params) == 0) |
|
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447 LOG(INFO) << " (but no valid presentation contexts)"; |
| 0 | 448 } |
| 449 | |
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450 IApplicationEntityFilter* filter = server.HasApplicationEntityFilter() ? &server.GetApplicationEntityFilter() : NULL; |
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451 return new CommandDispatcher(server, assoc, callingIP, callingTitle, filter); |
| 0 | 452 } |
| 453 | |
| 454 bool CommandDispatcher::Step() | |
| 455 /* | |
| 456 * This function receives DIMSE commmands over the network connection | |
| 457 * and handles these commands correspondingly. Note that in case of | |
| 458 * storscp only C-ECHO-RQ and C-STORE-RQ commands can be processed. | |
| 459 */ | |
| 460 { | |
| 461 bool finished = false; | |
| 462 | |
| 463 // receive a DIMSE command over the network, with a timeout of 1 second | |
| 464 DcmDataset *statusDetail = NULL; | |
| 465 T_ASC_PresentationContextID presID = 0; | |
| 466 T_DIMSE_Message msg; | |
| 467 | |
| 468 OFCondition cond = DIMSE_receiveCommand(assoc_, DIMSE_NONBLOCKING, 1, &presID, &msg, &statusDetail); | |
| 469 elapsedTimeSinceLastCommand_++; | |
| 470 | |
| 471 // if the command which was received has extra status | |
| 472 // detail information, dump this information | |
| 473 if (statusDetail != NULL) | |
| 474 { | |
| 101 | 475 //LOG4CPP_WARN(Internals::GetLogger(), "Status Detail:" << OFendl << DcmObject::PrintHelper(*statusDetail)); |
| 0 | 476 delete statusDetail; |
| 477 } | |
| 478 | |
| 479 if (cond == DIMSE_OUTOFRESOURCES) | |
| 480 { | |
| 481 finished = true; | |
| 482 } | |
| 483 else if (cond == DIMSE_NODATAAVAILABLE) | |
| 484 { | |
| 485 // Timeout due to DIMSE_NONBLOCKING | |
| 486 if (clientTimeout_ != 0 && | |
| 487 elapsedTimeSinceLastCommand_ >= clientTimeout_) | |
| 488 { | |
| 489 // This timeout is actually a client timeout | |
| 490 finished = true; | |
| 491 } | |
| 492 } | |
| 493 else if (cond == EC_Normal) | |
| 494 { | |
| 495 // Reset the client timeout counter | |
| 496 elapsedTimeSinceLastCommand_ = 0; | |
| 497 | |
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498 // Convert the type of request to Orthanc's internal type |
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499 bool supported = false; |
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500 DicomRequestType request; |
| 0 | 501 switch (msg.CommandField) |
| 502 { | |
|
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503 case DIMSE_C_ECHO_RQ: |
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504 request = DicomRequestType_Echo; |
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505 supported = true; |
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506 break; |
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507 |
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508 case DIMSE_C_STORE_RQ: |
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509 request = DicomRequestType_Store; |
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510 supported = true; |
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511 break; |
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512 |
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513 case DIMSE_C_MOVE_RQ: |
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514 request = DicomRequestType_Move; |
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515 supported = true; |
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516 break; |
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517 |
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518 case DIMSE_C_FIND_RQ: |
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519 request = DicomRequestType_Find; |
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520 supported = true; |
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521 break; |
| 0 | 522 |
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523 default: |
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524 // we cannot handle this kind of message |
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525 cond = DIMSE_BADCOMMANDTYPE; |
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526 LOG(ERROR) << "cannot handle command: 0x" << std::hex << msg.CommandField; |
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527 break; |
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528 } |
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529 |
| 0 | 530 |
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531 // Check whether this request is allowed by the security filter |
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532 if (supported && |
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533 filter_ != NULL && |
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534 !filter_->IsAllowedRequest(callingIP_, callingAETitle_, request)) |
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535 { |
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536 LOG(ERROR) << EnumerationToString(request) |
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537 << " requests are disallowed for the AET \"" |
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538 << callingAETitle_ << "\""; |
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539 cond = DIMSE_BADCOMMANDTYPE; |
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540 supported = false; |
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541 } |
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542 |
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543 // in case we received a supported message, process this command |
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544 if (supported) |
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545 { |
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546 // If anything goes wrong, there will be a "BADCOMMANDTYPE" answer |
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547 cond = DIMSE_BADCOMMANDTYPE; |
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548 |
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549 switch (request) |
| 0 | 550 { |
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551 case DicomRequestType_Echo: |
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552 cond = EchoScp(assoc_, &msg, presID); |
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553 break; |
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554 |
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555 case DicomRequestType_Store: |
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556 if (server_.HasStoreRequestHandlerFactory()) // Should always be true |
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557 { |
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558 std::auto_ptr<IStoreRequestHandler> handler |
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559 (server_.GetStoreRequestHandlerFactory().ConstructStoreRequestHandler()); |
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560 cond = Internals::storeScp(assoc_, &msg, presID, *handler); |
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561 } |
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562 break; |
| 0 | 563 |
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564 case DicomRequestType_Move: |
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565 if (server_.HasMoveRequestHandlerFactory()) // Should always be true |
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566 { |
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567 std::auto_ptr<IMoveRequestHandler> handler |
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568 (server_.GetMoveRequestHandlerFactory().ConstructMoveRequestHandler()); |
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569 cond = Internals::moveScp(assoc_, &msg, presID, *handler); |
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570 } |
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571 break; |
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572 |
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573 case DicomRequestType_Find: |
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574 if (server_.HasFindRequestHandlerFactory()) // Should always be true |
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575 { |
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576 std::auto_ptr<IFindRequestHandler> handler |
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577 (server_.GetFindRequestHandlerFactory().ConstructFindRequestHandler()); |
| 665 | 578 cond = Internals::findScp(assoc_, &msg, presID, *handler, callingAETitle_); |
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620
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579 } |
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580 break; |
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581 |
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582 default: |
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583 // Should never happen |
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584 break; |
| 0 | 585 } |
| 586 } | |
| 587 } | |
| 588 else | |
| 589 { | |
| 590 // Bad status, which indicates the closing of the connection by | |
| 591 // the peer or a network error | |
| 592 finished = true; | |
| 665 | 593 |
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594 LOG(INFO) << cond.text(); |
| 0 | 595 } |
| 596 | |
| 597 if (finished) | |
| 598 { | |
| 599 if (cond == DUL_PEERREQUESTEDRELEASE) | |
| 600 { | |
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601 LOG(INFO) << "Association Release"; |
| 0 | 602 ASC_acknowledgeRelease(assoc_); |
| 603 } | |
| 604 else if (cond == DUL_PEERABORTEDASSOCIATION) | |
| 605 { | |
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606 LOG(INFO) << "Association Aborted"; |
| 0 | 607 } |
| 608 else | |
| 609 { | |
| 610 OFString temp_str; | |
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611 LOG(ERROR) << "DIMSE failure (aborting association): " << cond.text(); |
| 0 | 612 /* some kind of error so abort the association */ |
| 613 ASC_abortAssociation(assoc_); | |
| 614 } | |
| 615 } | |
| 616 | |
| 617 return !finished; | |
| 618 } | |
| 619 | |
| 620 | |
| 621 OFCondition EchoScp( T_ASC_Association * assoc, T_DIMSE_Message * msg, T_ASC_PresentationContextID presID) | |
| 622 { | |
| 623 OFString temp_str; | |
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624 LOG(INFO) << "Received Echo Request"; |
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625 //LOG(DEBUG) << DIMSE_dumpMessage(temp_str, msg->msg.CEchoRQ, DIMSE_INCOMING, NULL, presID)); |
| 0 | 626 |
| 627 /* the echo succeeded !! */ | |
| 628 OFCondition cond = DIMSE_sendEchoResponse(assoc, presID, &msg->msg.CEchoRQ, STATUS_Success, NULL); | |
| 629 if (cond.bad()) | |
| 630 { | |
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631 LOG(ERROR) << "Echo SCP Failed: " << cond.text(); |
| 0 | 632 } |
| 633 return cond; | |
| 634 } | |
| 635 } | |
| 636 } |