Mercurial > hg > orthanc
annotate OrthancFramework/Sources/Pkcs11.cpp @ 5025:afa427f65444
Added an Asynchronous mode to /modalities/../move
| author | Alain Mazy <am@osimis.io> |
|---|---|
| date | Tue, 21 Jun 2022 10:55:45 +0200 |
| parents | 6eff25f70121 |
| children | 859f3668c181 |
| rev | line source |
|---|---|
| 2025 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2022 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 2025 | 7 * |
| 8 * This program is free software: you can redistribute it and/or | |
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9 * modify it under the terms of the GNU Lesser General Public License |
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10 * as published by the Free Software Foundation, either version 3 of |
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11 * the License, or (at your option) any later version. |
| 2025 | 12 * |
| 13 * This program is distributed in the hope that it will be useful, but | |
| 14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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16 * Lesser General Public License for more details. |
| 2025 | 17 * |
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18 * You should have received a copy of the GNU Lesser General Public |
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19 * License along with this program. If not, see |
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20 * <http://www.gnu.org/licenses/>. |
| 2025 | 21 **/ |
| 22 | |
| 23 | |
| 24 #include "PrecompiledHeaders.h" | |
| 25 #include "Pkcs11.h" | |
| 26 | |
| 27 | |
| 28 #if defined(OPENSSL_NO_RSA) || defined(OPENSSL_NO_EC) || defined(OPENSSL_NO_ECDSA) || defined(OPENSSL_NO_ECDH) | |
| 29 # error OpenSSL was compiled without support for RSA, EC, ECDSA or ECDH | |
| 30 #endif | |
| 31 | |
| 32 | |
| 33 #include "Logging.h" | |
| 34 #include "OrthancException.h" | |
| 2145 | 35 #include "SystemToolbox.h" |
| 2025 | 36 |
| 37 extern "C" | |
| 38 { | |
| 2145 | 39 # include <libp11/engine.h> // This is P11's "engine.h" |
| 40 # include <libp11/libp11.h> | |
| 2025 | 41 } |
| 42 | |
| 43 #include <openssl/engine.h> | |
| 44 | |
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45 #if OPENSSL_VERSION_NUMBER < 0x30000000L |
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46 # warning You are linking Orthanc against OpenSSL 1.x, whose license is incompatible with the GPLv3+ used by Orthanc. Please update to OpenSSL 3.x, that uses the Apache 2 license. |
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47 #endif |
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48 |
| 2025 | 49 |
| 50 namespace Orthanc | |
| 51 { | |
| 52 namespace Pkcs11 | |
| 53 { | |
| 54 static const char* PKCS11_ENGINE_ID = "pkcs11"; | |
| 55 static const char* PKCS11_ENGINE_NAME = "PKCS#11 for Orthanc"; | |
| 56 static const ENGINE_CMD_DEFN PKCS11_ENGINE_COMMANDS[] = | |
| 57 { | |
| 58 { | |
| 59 CMD_MODULE_PATH, | |
| 60 "MODULE_PATH", | |
| 61 "Specifies the path to the PKCS#11 module shared library", | |
| 62 ENGINE_CMD_FLAG_STRING | |
| 63 }, | |
| 64 { | |
| 65 CMD_PIN, | |
| 66 "PIN", | |
| 67 "Specifies the pin code", | |
| 68 ENGINE_CMD_FLAG_STRING | |
| 69 }, | |
| 70 { | |
| 71 CMD_VERBOSE, | |
| 72 "VERBOSE", | |
| 73 "Print additional details", | |
| 74 ENGINE_CMD_FLAG_NO_INPUT | |
| 75 }, | |
| 76 { | |
| 77 CMD_LOAD_CERT_CTRL, | |
| 78 "LOAD_CERT_CTRL", | |
| 79 "Get the certificate from card", | |
| 80 ENGINE_CMD_FLAG_INTERNAL | |
| 81 }, | |
| 82 { | |
| 83 0, | |
| 84 NULL, | |
| 85 NULL, | |
| 86 0 | |
| 87 } | |
| 88 }; | |
| 89 | |
| 90 | |
| 91 static bool pkcs11Initialized_ = false; | |
| 92 static ENGINE_CTX *context_ = NULL; | |
| 93 | |
| 94 static int EngineInitialize(ENGINE* engine) | |
| 95 { | |
| 96 if (context_ == NULL) | |
| 97 { | |
| 98 return 0; | |
| 99 } | |
| 100 else | |
| 101 { | |
| 102 return pkcs11_init(context_); | |
| 103 } | |
| 104 } | |
| 105 | |
| 106 | |
| 107 static int EngineFinalize(ENGINE* engine) | |
| 108 { | |
| 109 if (context_ == NULL) | |
| 110 { | |
| 111 return 0; | |
| 112 } | |
| 113 else | |
| 114 { | |
| 115 return pkcs11_finish(context_); | |
| 116 } | |
| 117 } | |
| 118 | |
| 119 | |
| 120 static int EngineDestroy(ENGINE* engine) | |
| 121 { | |
| 122 return (context_ == NULL ? 0 : 1); | |
| 123 } | |
| 124 | |
| 125 | |
| 126 static int EngineControl(ENGINE *engine, | |
| 127 int command, | |
| 128 long i, | |
| 129 void *p, | |
| 130 void (*f) ()) | |
| 131 { | |
| 132 if (context_ == NULL) | |
| 133 { | |
| 134 return 0; | |
| 135 } | |
| 136 else | |
| 137 { | |
| 138 return pkcs11_engine_ctrl(context_, command, i, p, f); | |
| 139 } | |
| 140 } | |
| 141 | |
| 142 | |
| 143 static EVP_PKEY *EngineLoadPublicKey(ENGINE *engine, | |
| 144 const char *s_key_id, | |
| 145 UI_METHOD *ui_method, | |
| 146 void *callback_data) | |
| 147 { | |
| 148 if (context_ == NULL) | |
| 149 { | |
| 150 return 0; | |
| 151 } | |
| 152 else | |
| 153 { | |
| 154 return pkcs11_load_public_key(context_, s_key_id, ui_method, callback_data); | |
| 155 } | |
| 156 } | |
| 157 | |
| 158 | |
| 159 static EVP_PKEY *EngineLoadPrivateKey(ENGINE *engine, | |
| 160 const char *s_key_id, | |
| 161 UI_METHOD *ui_method, | |
| 162 void *callback_data) | |
| 163 { | |
| 164 if (context_ == NULL) | |
| 165 { | |
| 166 return 0; | |
| 167 } | |
| 168 else | |
| 169 { | |
| 170 return pkcs11_load_private_key(context_, s_key_id, ui_method, callback_data); | |
| 171 } | |
| 172 } | |
| 173 | |
| 174 | |
| 175 static ENGINE* LoadEngine() | |
| 176 { | |
| 177 // This function creates an engine for PKCS#11 and inspired by | |
| 178 // the "ENGINE_load_dynamic" function from OpenSSL, in file | |
| 179 // "crypto/engine/eng_dyn.c" | |
| 180 | |
| 181 ENGINE* engine = ENGINE_new(); | |
| 182 if (!engine) | |
| 183 { | |
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184 throw OrthancException(ErrorCode_InternalError, |
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185 "Cannot create an OpenSSL engine for PKCS#11"); |
| 2025 | 186 } |
| 187 | |
| 188 // Create a PKCS#11 context using libp11 | |
| 189 context_ = pkcs11_new(); | |
| 190 if (!context_) | |
| 191 { | |
| 192 ENGINE_free(engine); | |
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193 throw OrthancException(ErrorCode_InternalError, |
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194 "Cannot create a libp11 context for PKCS#11"); |
| 2025 | 195 } |
| 196 | |
| 197 if (!ENGINE_set_id(engine, PKCS11_ENGINE_ID) || | |
| 198 !ENGINE_set_name(engine, PKCS11_ENGINE_NAME) || | |
| 199 !ENGINE_set_cmd_defns(engine, PKCS11_ENGINE_COMMANDS) || | |
| 200 | |
| 201 // Register the callback functions | |
| 202 !ENGINE_set_init_function(engine, EngineInitialize) || | |
| 203 !ENGINE_set_finish_function(engine, EngineFinalize) || | |
| 204 !ENGINE_set_destroy_function(engine, EngineDestroy) || | |
| 205 !ENGINE_set_ctrl_function(engine, EngineControl) || | |
| 206 !ENGINE_set_load_pubkey_function(engine, EngineLoadPublicKey) || | |
| 207 !ENGINE_set_load_privkey_function(engine, EngineLoadPrivateKey) || | |
| 208 | |
| 209 !ENGINE_set_RSA(engine, PKCS11_get_rsa_method()) || | |
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210 |
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211 #if OPENSSL_VERSION_NUMBER < 0x10100000L // OpenSSL 1.0.2 |
| 2025 | 212 !ENGINE_set_ECDSA(engine, PKCS11_get_ecdsa_method()) || |
| 213 !ENGINE_set_ECDH(engine, PKCS11_get_ecdh_method()) || | |
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214 #else |
| 2025 | 215 !ENGINE_set_EC(engine, PKCS11_get_ec_key_method()) || |
| 216 #endif | |
| 217 | |
| 218 // Make OpenSSL know about our PKCS#11 engine | |
| 219 !ENGINE_add(engine)) | |
| 220 { | |
| 221 pkcs11_finish(context_); | |
| 222 ENGINE_free(engine); | |
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223 throw OrthancException(ErrorCode_InternalError, |
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224 "Cannot initialize the OpenSSL engine for PKCS#11"); |
| 2025 | 225 } |
| 226 | |
| 227 // If the "ENGINE_add" worked, it gets a structural | |
| 228 // reference. We release our just-created reference. | |
| 229 ENGINE_free(engine); | |
| 230 | |
| 231 return ENGINE_by_id(PKCS11_ENGINE_ID); | |
| 232 } | |
| 233 | |
| 234 | |
| 235 bool IsInitialized() | |
| 236 { | |
| 237 return pkcs11Initialized_; | |
| 238 } | |
| 239 | |
| 240 const char* GetEngineIdentifier() | |
| 241 { | |
| 242 return PKCS11_ENGINE_ID; | |
| 243 } | |
| 244 | |
| 245 void Initialize(const std::string& module, | |
| 246 const std::string& pin, | |
| 247 bool verbose) | |
| 248 { | |
| 249 if (pkcs11Initialized_) | |
| 250 { | |
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251 throw OrthancException(ErrorCode_BadSequenceOfCalls, |
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252 "The PKCS#11 engine has already been initialized"); |
| 2025 | 253 } |
| 254 | |
| 255 if (module.empty() || | |
| 2145 | 256 !SystemToolbox::IsRegularFile(module)) |
| 2025 | 257 { |
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258 throw OrthancException( |
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259 ErrorCode_InexistentFile, |
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260 "The PKCS#11 module must be a path to one shared library (DLL or .so)"); |
| 2025 | 261 } |
| 262 | |
| 263 ENGINE* engine = LoadEngine(); | |
| 264 if (!engine) | |
| 265 { | |
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266 throw OrthancException(ErrorCode_InternalError, |
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267 "Cannot create an OpenSSL engine for PKCS#11"); |
| 2025 | 268 } |
| 269 | |
| 270 if (!ENGINE_ctrl_cmd_string(engine, "MODULE_PATH", module.c_str(), 0)) | |
| 271 { | |
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272 throw OrthancException(ErrorCode_InternalError, |
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273 "Cannot configure the OpenSSL dynamic engine for PKCS#11"); |
| 2025 | 274 } |
| 275 | |
| 276 if (verbose) | |
| 277 { | |
| 278 ENGINE_ctrl_cmd_string(engine, "VERBOSE", NULL, 0); | |
| 279 } | |
| 280 | |
| 281 if (!pin.empty() && | |
| 282 !ENGINE_ctrl_cmd_string(engine, "PIN", pin.c_str(), 0)) | |
| 283 { | |
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284 throw OrthancException(ErrorCode_InternalError, |
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285 "Cannot set the PIN code for PKCS#11"); |
| 2025 | 286 } |
| 287 | |
| 288 if (!ENGINE_init(engine)) | |
| 289 { | |
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290 throw OrthancException(ErrorCode_InternalError, |
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291 "Cannot initialize the OpenSSL dynamic engine for PKCS#11"); |
| 2025 | 292 } |
| 293 | |
| 294 LOG(WARNING) << "The PKCS#11 engine has been successfully initialized"; | |
| 295 pkcs11Initialized_ = true; | |
| 296 } | |
| 297 | |
| 298 | |
| 299 void Finalize() | |
| 300 { | |
| 301 // Nothing to do, the unregistration of the engine is | |
| 302 // automatically done by OpenSSL | |
| 303 } | |
| 304 } | |
| 305 } |