| File: | s/lib/pkcs12/p12e.c |
| Warning: | line 1829, column 9 Value stored to 'rv' is never read |
Press '?' to see keyboard shortcuts
Keyboard shortcuts:
| 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| 4 | |
| 5 | #include "p12t.h" |
| 6 | #include "p12.h" |
| 7 | #include "plarena.h" |
| 8 | #include "secitem.h" |
| 9 | #include "secoid.h" |
| 10 | #include "seccomon.h" |
| 11 | #include "secport.h" |
| 12 | #include "cert.h" |
| 13 | #include "secpkcs5.h" |
| 14 | #include "secpkcs7.h" |
| 15 | #include "secasn1.h" |
| 16 | #include "secerr.h" |
| 17 | #include "sechash.h" |
| 18 | #include "pk11func.h" |
| 19 | #include "p12plcy.h" |
| 20 | #include "p12local.h" |
| 21 | #include "prcpucfg.h" |
| 22 | |
| 23 | extern const int NSS_PBE_DEFAULT_ITERATION_COUNT; /* defined in p7create.c */ |
| 24 | |
| 25 | /* |
| 26 | ** This PKCS12 file encoder uses numerous nested ASN.1 and PKCS7 encoder |
| 27 | ** contexts. It can be difficult to keep straight. Here's a picture: |
| 28 | ** |
| 29 | ** "outer" ASN.1 encoder. The output goes to the library caller's CB. |
| 30 | ** "middle" PKCS7 encoder. Feeds the "outer" ASN.1 encoder. |
| 31 | ** "middle" ASN1 encoder. Encodes the encrypted aSafes. |
| 32 | ** Feeds the "middle" P7 encoder above. |
| 33 | ** "inner" PKCS7 encoder. Encrypts the "authenticated Safes" (aSafes) |
| 34 | ** Feeds the "middle" ASN.1 encoder above. |
| 35 | ** "inner" ASN.1 encoder. Encodes the unencrypted aSafes. |
| 36 | ** Feeds the "inner" P7 enocder above. |
| 37 | ** |
| 38 | ** Buffering has been added at each point where the output of an ASN.1 |
| 39 | ** encoder feeds the input of a PKCS7 encoder. |
| 40 | */ |
| 41 | |
| 42 | /********************************* |
| 43 | * Output buffer object, used to buffer output from ASN.1 encoder |
| 44 | * before passing data on down to the next PKCS7 encoder. |
| 45 | *********************************/ |
| 46 | |
| 47 | #define PK12_OUTPUT_BUFFER_SIZE8192 8192 |
| 48 | |
| 49 | struct sec_pkcs12OutputBufferStr { |
| 50 | SEC_PKCS7EncoderContext *p7eCx; |
| 51 | PK11Context *hmacCx; |
| 52 | unsigned int numBytes; |
| 53 | unsigned int bufBytes; |
| 54 | char buf[PK12_OUTPUT_BUFFER_SIZE8192]; |
| 55 | }; |
| 56 | typedef struct sec_pkcs12OutputBufferStr sec_pkcs12OutputBuffer; |
| 57 | |
| 58 | /********************************* |
| 59 | * Structures used in exporting the PKCS 12 blob |
| 60 | *********************************/ |
| 61 | |
| 62 | /* A SafeInfo is used for each ContentInfo which makes up the |
| 63 | * sequence of safes in the AuthenticatedSafe portion of the |
| 64 | * PFX structure. |
| 65 | */ |
| 66 | struct SEC_PKCS12SafeInfoStr { |
| 67 | PLArenaPool *arena; |
| 68 | |
| 69 | /* information for setting up password encryption */ |
| 70 | SECItem pwitem; |
| 71 | SECOidTag algorithm; |
| 72 | PK11SymKey *encryptionKey; |
| 73 | |
| 74 | /* how many items have been stored in this safe, |
| 75 | * we will skip any safe which does not contain any |
| 76 | * items |
| 77 | */ |
| 78 | unsigned int itemCount; |
| 79 | |
| 80 | /* the content info for the safe */ |
| 81 | SEC_PKCS7ContentInfo *cinfo; |
| 82 | |
| 83 | sec_PKCS12SafeContents *safe; |
| 84 | }; |
| 85 | |
| 86 | /* An opaque structure which contains information needed for exporting |
| 87 | * certificates and keys through PKCS 12. |
| 88 | */ |
| 89 | struct SEC_PKCS12ExportContextStr { |
| 90 | PLArenaPool *arena; |
| 91 | PK11SlotInfo *slot; |
| 92 | void *wincx; |
| 93 | |
| 94 | /* integrity information */ |
| 95 | PRBool integrityEnabled; |
| 96 | PRBool pwdIntegrity; |
| 97 | union { |
| 98 | struct sec_PKCS12PasswordModeInfo pwdInfo; |
| 99 | struct sec_PKCS12PublicKeyModeInfo pubkeyInfo; |
| 100 | } integrityInfo; |
| 101 | |
| 102 | /* helper functions */ |
| 103 | /* retrieve the password call back */ |
| 104 | SECKEYGetPasswordKey pwfn; |
| 105 | void *pwfnarg; |
| 106 | |
| 107 | /* safe contents bags */ |
| 108 | SEC_PKCS12SafeInfo **safeInfos; |
| 109 | unsigned int safeInfoCount; |
| 110 | |
| 111 | /* the sequence of safes */ |
| 112 | sec_PKCS12AuthenticatedSafe authSafe; |
| 113 | |
| 114 | /* information needing deletion */ |
| 115 | CERTCertificate **certList; |
| 116 | }; |
| 117 | |
| 118 | /* structures for passing information to encoder callbacks when processing |
| 119 | * data through the ASN1 engine. |
| 120 | */ |
| 121 | struct sec_pkcs12_encoder_output { |
| 122 | SEC_PKCS12EncoderOutputCallback outputfn; |
| 123 | void *outputarg; |
| 124 | }; |
| 125 | |
| 126 | struct sec_pkcs12_hmac_and_output_info { |
| 127 | void *arg; |
| 128 | struct sec_pkcs12_encoder_output output; |
| 129 | }; |
| 130 | |
| 131 | /* An encoder context which is used for the actual encoding |
| 132 | * portion of PKCS 12. |
| 133 | */ |
| 134 | typedef struct sec_PKCS12EncoderContextStr { |
| 135 | PLArenaPool *arena; |
| 136 | SEC_PKCS12ExportContext *p12exp; |
| 137 | |
| 138 | /* encoder information - this is set up based on whether |
| 139 | * password based or public key pased privacy is being used |
| 140 | */ |
| 141 | SEC_ASN1EncoderContext *outerA1ecx; |
| 142 | union { |
| 143 | struct sec_pkcs12_hmac_and_output_info hmacAndOutputInfo; |
| 144 | struct sec_pkcs12_encoder_output encOutput; |
| 145 | } output; |
| 146 | |
| 147 | /* structures for encoding of PFX and MAC */ |
| 148 | sec_PKCS12PFXItem pfx; |
| 149 | sec_PKCS12MacData mac; |
| 150 | |
| 151 | /* authenticated safe encoding tracking information */ |
| 152 | SEC_PKCS7ContentInfo *aSafeCinfo; |
| 153 | SEC_PKCS7EncoderContext *middleP7ecx; |
| 154 | SEC_ASN1EncoderContext *middleA1ecx; |
| 155 | unsigned int currentSafe; |
| 156 | |
| 157 | /* hmac context */ |
| 158 | PK11Context *hmacCx; |
| 159 | |
| 160 | /* output buffers */ |
| 161 | sec_pkcs12OutputBuffer middleBuf; |
| 162 | sec_pkcs12OutputBuffer innerBuf; |
| 163 | |
| 164 | } sec_PKCS12EncoderContext; |
| 165 | |
| 166 | /********************************* |
| 167 | * Export setup routines |
| 168 | *********************************/ |
| 169 | |
| 170 | /* SEC_PKCS12CreateExportContext |
| 171 | * Creates an export context and sets the unicode and password retrieval |
| 172 | * callbacks. This is the first call which must be made when exporting |
| 173 | * a PKCS 12 blob. |
| 174 | * |
| 175 | * pwfn, pwfnarg - password retrieval callback and argument. these are |
| 176 | * required for password-authentication mode. |
| 177 | */ |
| 178 | SEC_PKCS12ExportContext * |
| 179 | SEC_PKCS12CreateExportContext(SECKEYGetPasswordKey pwfn, void *pwfnarg, |
| 180 | PK11SlotInfo *slot, void *wincx) |
| 181 | { |
| 182 | PLArenaPool *arena = NULL((void*)0); |
| 183 | SEC_PKCS12ExportContext *p12ctxt = NULL((void*)0); |
| 184 | |
| 185 | /* allocate the arena and create the context */ |
| 186 | arena = PORT_NewArenaPORT_NewArena_Util(4096); |
| 187 | if (!arena) { |
| 188 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 189 | return NULL((void*)0); |
| 190 | } |
| 191 | |
| 192 | p12ctxt = (SEC_PKCS12ExportContext *)PORT_ArenaZAllocPORT_ArenaZAlloc_Util(arena, |
| 193 | sizeof(SEC_PKCS12ExportContext)); |
| 194 | if (!p12ctxt) { |
| 195 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 196 | goto loser; |
| 197 | } |
| 198 | |
| 199 | /* password callback for key retrieval */ |
| 200 | p12ctxt->pwfn = pwfn; |
| 201 | p12ctxt->pwfnarg = pwfnarg; |
| 202 | |
| 203 | p12ctxt->integrityEnabled = PR_FALSE0; |
| 204 | p12ctxt->arena = arena; |
| 205 | p12ctxt->wincx = wincx; |
| 206 | p12ctxt->slot = (slot) ? PK11_ReferenceSlot(slot) : PK11_GetInternalSlot(); |
| 207 | |
| 208 | return p12ctxt; |
| 209 | |
| 210 | loser: |
| 211 | if (arena) { |
| 212 | PORT_FreeArenaPORT_FreeArena_Util(arena, PR_TRUE1); |
| 213 | } |
| 214 | |
| 215 | return NULL((void*)0); |
| 216 | } |
| 217 | |
| 218 | /* |
| 219 | * Adding integrity mode |
| 220 | */ |
| 221 | |
| 222 | /* SEC_PKCS12AddPasswordIntegrity |
| 223 | * Add password integrity to the exported data. If an integrity method |
| 224 | * has already been set, then return an error. |
| 225 | * |
| 226 | * p12ctxt - the export context |
| 227 | * pwitem - the password for integrity mode |
| 228 | * integAlg - the integrity algorithm to use for authentication. |
| 229 | */ |
| 230 | SECStatus |
| 231 | SEC_PKCS12AddPasswordIntegrity(SEC_PKCS12ExportContext *p12ctxt, |
| 232 | SECItem *pwitem, SECOidTag integAlg) |
| 233 | { |
| 234 | if (!p12ctxt || p12ctxt->integrityEnabled) { |
| 235 | return SECFailure; |
| 236 | } |
| 237 | |
| 238 | /* set up integrity information */ |
| 239 | p12ctxt->pwdIntegrity = PR_TRUE1; |
| 240 | p12ctxt->integrityInfo.pwdInfo.password = |
| 241 | (SECItem *)PORT_ArenaZAllocPORT_ArenaZAlloc_Util(p12ctxt->arena, sizeof(SECItem)); |
| 242 | if (!p12ctxt->integrityInfo.pwdInfo.password) { |
| 243 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 244 | return SECFailure; |
| 245 | } |
| 246 | if (SECITEM_CopyItemSECITEM_CopyItem_Util(p12ctxt->arena, |
| 247 | p12ctxt->integrityInfo.pwdInfo.password, pwitem) != SECSuccess) { |
| 248 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 249 | return SECFailure; |
| 250 | } |
| 251 | p12ctxt->integrityInfo.pwdInfo.algorithm = integAlg; |
| 252 | p12ctxt->integrityEnabled = PR_TRUE1; |
| 253 | |
| 254 | return SECSuccess; |
| 255 | } |
| 256 | |
| 257 | /* SEC_PKCS12AddPublicKeyIntegrity |
| 258 | * Add public key integrity to the exported data. If an integrity method |
| 259 | * has already been set, then return an error. The certificate must be |
| 260 | * allowed to be used as a signing cert. |
| 261 | * |
| 262 | * p12ctxt - the export context |
| 263 | * cert - signer certificate |
| 264 | * certDb - the certificate database |
| 265 | * algorithm - signing algorithm |
| 266 | * keySize - size of the signing key (?) |
| 267 | */ |
| 268 | SECStatus |
| 269 | SEC_PKCS12AddPublicKeyIntegrity(SEC_PKCS12ExportContext *p12ctxt, |
| 270 | CERTCertificate *cert, CERTCertDBHandle *certDb, |
| 271 | SECOidTag algorithm, int keySize) |
| 272 | { |
| 273 | if (!p12ctxt) { |
| 274 | return SECFailure; |
| 275 | } |
| 276 | |
| 277 | p12ctxt->integrityInfo.pubkeyInfo.cert = cert; |
| 278 | p12ctxt->integrityInfo.pubkeyInfo.certDb = certDb; |
| 279 | p12ctxt->integrityInfo.pubkeyInfo.algorithm = algorithm; |
| 280 | p12ctxt->integrityInfo.pubkeyInfo.keySize = keySize; |
| 281 | p12ctxt->integrityEnabled = PR_TRUE1; |
| 282 | |
| 283 | return SECSuccess; |
| 284 | } |
| 285 | |
| 286 | /* |
| 287 | * Adding safes - encrypted (password/public key) or unencrypted |
| 288 | * Each of the safe creation routines return an opaque pointer which |
| 289 | * are later passed into the routines for exporting certificates and |
| 290 | * keys. |
| 291 | */ |
| 292 | |
| 293 | /* append the newly created safeInfo to list of safeInfos in the export |
| 294 | * context. |
| 295 | */ |
| 296 | static SECStatus |
| 297 | sec_pkcs12_append_safe_info(SEC_PKCS12ExportContext *p12ctxt, SEC_PKCS12SafeInfo *info) |
| 298 | { |
| 299 | void *mark = NULL((void*)0), *dummy1 = NULL((void*)0), *dummy2 = NULL((void*)0); |
| 300 | |
| 301 | if (!p12ctxt || !info) { |
| 302 | return SECFailure; |
| 303 | } |
| 304 | |
| 305 | mark = PORT_ArenaMarkPORT_ArenaMark_Util(p12ctxt->arena); |
| 306 | |
| 307 | /* if no safeInfos have been set, create the list, otherwise expand it. */ |
| 308 | if (!p12ctxt->safeInfoCount) { |
| 309 | p12ctxt->safeInfos = (SEC_PKCS12SafeInfo **)PORT_ArenaZAllocPORT_ArenaZAlloc_Util(p12ctxt->arena, |
| 310 | 2 * sizeof(SEC_PKCS12SafeInfo *)); |
| 311 | dummy1 = p12ctxt->safeInfos; |
| 312 | p12ctxt->authSafe.encodedSafes = (SECItem **)PORT_ArenaZAllocPORT_ArenaZAlloc_Util(p12ctxt->arena, |
| 313 | 2 * sizeof(SECItem *)); |
| 314 | dummy2 = p12ctxt->authSafe.encodedSafes; |
| 315 | } else { |
| 316 | dummy1 = PORT_ArenaGrowPORT_ArenaGrow_Util(p12ctxt->arena, p12ctxt->safeInfos, |
| 317 | (p12ctxt->safeInfoCount + 1) * sizeof(SEC_PKCS12SafeInfo *), |
| 318 | (p12ctxt->safeInfoCount + 2) * sizeof(SEC_PKCS12SafeInfo *)); |
| 319 | p12ctxt->safeInfos = (SEC_PKCS12SafeInfo **)dummy1; |
| 320 | dummy2 = PORT_ArenaGrowPORT_ArenaGrow_Util(p12ctxt->arena, p12ctxt->authSafe.encodedSafes, |
| 321 | (p12ctxt->authSafe.safeCount + 1) * sizeof(SECItem *), |
| 322 | (p12ctxt->authSafe.safeCount + 2) * sizeof(SECItem *)); |
| 323 | p12ctxt->authSafe.encodedSafes = (SECItem **)dummy2; |
| 324 | } |
| 325 | if (!dummy1 || !dummy2) { |
| 326 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 327 | goto loser; |
| 328 | } |
| 329 | |
| 330 | /* append the new safeInfo and null terminate the list */ |
| 331 | p12ctxt->safeInfos[p12ctxt->safeInfoCount] = info; |
| 332 | p12ctxt->safeInfos[++p12ctxt->safeInfoCount] = NULL((void*)0); |
| 333 | p12ctxt->authSafe.encodedSafes[p12ctxt->authSafe.safeCount] = |
| 334 | (SECItem *)PORT_ArenaZAllocPORT_ArenaZAlloc_Util(p12ctxt->arena, sizeof(SECItem)); |
| 335 | if (!p12ctxt->authSafe.encodedSafes[p12ctxt->authSafe.safeCount]) { |
| 336 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 337 | goto loser; |
| 338 | } |
| 339 | p12ctxt->authSafe.encodedSafes[++p12ctxt->authSafe.safeCount] = NULL((void*)0); |
| 340 | |
| 341 | PORT_ArenaUnmarkPORT_ArenaUnmark_Util(p12ctxt->arena, mark); |
| 342 | return SECSuccess; |
| 343 | |
| 344 | loser: |
| 345 | PORT_ArenaReleasePORT_ArenaRelease_Util(p12ctxt->arena, mark); |
| 346 | return SECFailure; |
| 347 | } |
| 348 | |
| 349 | /* SEC_PKCS12CreatePasswordPrivSafe |
| 350 | * Create a password privacy safe to store exported information in. |
| 351 | * |
| 352 | * p12ctxt - export context |
| 353 | * pwitem - password for encryption |
| 354 | * privAlg - pbe algorithm through which encryption is done. |
| 355 | */ |
| 356 | SEC_PKCS12SafeInfo * |
| 357 | SEC_PKCS12CreatePasswordPrivSafe(SEC_PKCS12ExportContext *p12ctxt, |
| 358 | SECItem *pwitem, SECOidTag privAlg) |
| 359 | { |
| 360 | SEC_PKCS12SafeInfo *safeInfo = NULL((void*)0); |
| 361 | void *mark = NULL((void*)0); |
| 362 | PK11SlotInfo *slot = NULL((void*)0); |
| 363 | SECAlgorithmID *algId; |
| 364 | SECItem uniPwitem = { siBuffer, NULL((void*)0), 0 }; |
| 365 | |
| 366 | if (!p12ctxt) { |
| 367 | return NULL((void*)0); |
| 368 | } |
| 369 | |
| 370 | /* allocate the safe info */ |
| 371 | mark = PORT_ArenaMarkPORT_ArenaMark_Util(p12ctxt->arena); |
| 372 | safeInfo = (SEC_PKCS12SafeInfo *)PORT_ArenaZAllocPORT_ArenaZAlloc_Util(p12ctxt->arena, |
| 373 | sizeof(SEC_PKCS12SafeInfo)); |
| 374 | if (!safeInfo) { |
| 375 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 376 | PORT_ArenaReleasePORT_ArenaRelease_Util(p12ctxt->arena, mark); |
| 377 | return NULL((void*)0); |
| 378 | } |
| 379 | |
| 380 | safeInfo->itemCount = 0; |
| 381 | |
| 382 | /* create the encrypted safe */ |
| 383 | if (!SEC_PKCS5IsAlgorithmPBEAlgTag(privAlg)) { |
| 384 | SECOidTag prfAlg = SEC_OID_UNKNOWN; |
| 385 | /* if we have password integrity set, use that to set the integrity |
| 386 | * hash algorithm to set our password PRF. If we haven't set it, just |
| 387 | * let the low level code pick it */ |
| 388 | if (p12ctxt->integrityEnabled && p12ctxt->pwdIntegrity) { |
| 389 | prfAlg = HASH_GetHMACOidTagByHashOidTag( |
| 390 | p12ctxt->integrityInfo.pwdInfo.algorithm); |
| 391 | } |
| 392 | safeInfo->cinfo = SEC_PKCS7CreateEncryptedDataWithPBEV2(SEC_OID_PKCS5_PBES2, |
| 393 | privAlg, |
| 394 | prfAlg, |
| 395 | 0, |
| 396 | p12ctxt->pwfn, |
| 397 | p12ctxt->pwfnarg); |
| 398 | } else { |
| 399 | safeInfo->cinfo = SEC_PKCS7CreateEncryptedData(privAlg, 0, p12ctxt->pwfn, |
| 400 | p12ctxt->pwfnarg); |
| 401 | } |
| 402 | if (!safeInfo->cinfo) { |
| 403 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 404 | goto loser; |
| 405 | } |
| 406 | safeInfo->arena = p12ctxt->arena; |
| 407 | |
| 408 | if (!sec_pkcs12_encode_password(NULL((void*)0), &uniPwitem, privAlg, pwitem)) { |
| 409 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 410 | goto loser; |
| 411 | } |
| 412 | if (SECITEM_CopyItemSECITEM_CopyItem_Util(p12ctxt->arena, &safeInfo->pwitem, &uniPwitem) != SECSuccess) { |
| 413 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 414 | goto loser; |
| 415 | } |
| 416 | |
| 417 | /* generate the encryption key */ |
| 418 | slot = PK11_ReferenceSlot(p12ctxt->slot); |
| 419 | if (!slot) { |
| 420 | slot = PK11_GetInternalKeySlot(); |
| 421 | if (!slot) { |
| 422 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 423 | goto loser; |
| 424 | } |
| 425 | } |
| 426 | |
| 427 | algId = SEC_PKCS7GetEncryptionAlgorithm(safeInfo->cinfo); |
| 428 | safeInfo->encryptionKey = PK11_PBEKeyGen(slot, algId, &uniPwitem, |
| 429 | PR_FALSE0, p12ctxt->wincx); |
| 430 | if (!safeInfo->encryptionKey) { |
| 431 | goto loser; |
| 432 | } |
| 433 | |
| 434 | safeInfo->arena = p12ctxt->arena; |
| 435 | safeInfo->safe = NULL((void*)0); |
| 436 | if (sec_pkcs12_append_safe_info(p12ctxt, safeInfo) != SECSuccess) { |
| 437 | goto loser; |
| 438 | } |
| 439 | |
| 440 | if (uniPwitem.data) { |
| 441 | SECITEM_ZfreeItemSECITEM_ZfreeItem_Util(&uniPwitem, PR_FALSE0); |
| 442 | } |
| 443 | PORT_ArenaUnmarkPORT_ArenaUnmark_Util(p12ctxt->arena, mark); |
| 444 | |
| 445 | if (slot) { |
| 446 | PK11_FreeSlot(slot); |
| 447 | } |
| 448 | return safeInfo; |
| 449 | |
| 450 | loser: |
| 451 | if (slot) { |
| 452 | PK11_FreeSlot(slot); |
| 453 | } |
| 454 | if (safeInfo->cinfo) { |
| 455 | SEC_PKCS7DestroyContentInfo(safeInfo->cinfo); |
| 456 | } |
| 457 | |
| 458 | if (uniPwitem.data) { |
| 459 | SECITEM_ZfreeItemSECITEM_ZfreeItem_Util(&uniPwitem, PR_FALSE0); |
| 460 | } |
| 461 | |
| 462 | PORT_ArenaReleasePORT_ArenaRelease_Util(p12ctxt->arena, mark); |
| 463 | return NULL((void*)0); |
| 464 | } |
| 465 | |
| 466 | /* SEC_PKCS12CreateUnencryptedSafe |
| 467 | * Creates an unencrypted safe within the export context. |
| 468 | * |
| 469 | * p12ctxt - the export context |
| 470 | */ |
| 471 | SEC_PKCS12SafeInfo * |
| 472 | SEC_PKCS12CreateUnencryptedSafe(SEC_PKCS12ExportContext *p12ctxt) |
| 473 | { |
| 474 | SEC_PKCS12SafeInfo *safeInfo = NULL((void*)0); |
| 475 | void *mark = NULL((void*)0); |
| 476 | |
| 477 | if (!p12ctxt) { |
| 478 | return NULL((void*)0); |
| 479 | } |
| 480 | |
| 481 | /* create the safe info */ |
| 482 | mark = PORT_ArenaMarkPORT_ArenaMark_Util(p12ctxt->arena); |
| 483 | safeInfo = (SEC_PKCS12SafeInfo *)PORT_ArenaZAllocPORT_ArenaZAlloc_Util(p12ctxt->arena, |
| 484 | sizeof(SEC_PKCS12SafeInfo)); |
| 485 | if (!safeInfo) { |
| 486 | PORT_ArenaReleasePORT_ArenaRelease_Util(p12ctxt->arena, mark); |
| 487 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 488 | return NULL((void*)0); |
| 489 | } |
| 490 | |
| 491 | safeInfo->itemCount = 0; |
| 492 | |
| 493 | /* create the safe content */ |
| 494 | safeInfo->cinfo = SEC_PKCS7CreateData(); |
| 495 | if (!safeInfo->cinfo) { |
| 496 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 497 | goto loser; |
| 498 | } |
| 499 | |
| 500 | if (sec_pkcs12_append_safe_info(p12ctxt, safeInfo) != SECSuccess) { |
| 501 | goto loser; |
| 502 | } |
| 503 | |
| 504 | PORT_ArenaUnmarkPORT_ArenaUnmark_Util(p12ctxt->arena, mark); |
| 505 | return safeInfo; |
| 506 | |
| 507 | loser: |
| 508 | if (safeInfo->cinfo) { |
| 509 | SEC_PKCS7DestroyContentInfo(safeInfo->cinfo); |
| 510 | } |
| 511 | |
| 512 | PORT_ArenaReleasePORT_ArenaRelease_Util(p12ctxt->arena, mark); |
| 513 | return NULL((void*)0); |
| 514 | } |
| 515 | |
| 516 | /* SEC_PKCS12CreatePubKeyEncryptedSafe |
| 517 | * Creates a safe which is protected by public key encryption. |
| 518 | * |
| 519 | * p12ctxt - the export context |
| 520 | * certDb - the certificate database |
| 521 | * signer - the signer's certificate |
| 522 | * recipients - the list of recipient certificates. |
| 523 | * algorithm - the encryption algorithm to use |
| 524 | * keysize - the algorithms key size (?) |
| 525 | */ |
| 526 | SEC_PKCS12SafeInfo * |
| 527 | SEC_PKCS12CreatePubKeyEncryptedSafe(SEC_PKCS12ExportContext *p12ctxt, |
| 528 | CERTCertDBHandle *certDb, |
| 529 | CERTCertificate *signer, |
| 530 | CERTCertificate **recipients, |
| 531 | SECOidTag algorithm, int keysize) |
| 532 | { |
| 533 | SEC_PKCS12SafeInfo *safeInfo = NULL((void*)0); |
| 534 | void *mark = NULL((void*)0); |
| 535 | |
| 536 | if (!p12ctxt || !signer || !recipients || !(*recipients)) { |
| 537 | return NULL((void*)0); |
| 538 | } |
| 539 | |
| 540 | /* allocate the safeInfo */ |
| 541 | mark = PORT_ArenaMarkPORT_ArenaMark_Util(p12ctxt->arena); |
| 542 | safeInfo = (SEC_PKCS12SafeInfo *)PORT_ArenaZAllocPORT_ArenaZAlloc_Util(p12ctxt->arena, |
| 543 | sizeof(SEC_PKCS12SafeInfo)); |
| 544 | if (!safeInfo) { |
| 545 | PORT_ArenaReleasePORT_ArenaRelease_Util(p12ctxt->arena, mark); |
| 546 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 547 | return NULL((void*)0); |
| 548 | } |
| 549 | |
| 550 | safeInfo->itemCount = 0; |
| 551 | safeInfo->arena = p12ctxt->arena; |
| 552 | |
| 553 | /* create the enveloped content info using certUsageEmailSigner currently. |
| 554 | * XXX We need to eventually use something other than certUsageEmailSigner |
| 555 | */ |
| 556 | safeInfo->cinfo = SEC_PKCS7CreateEnvelopedData(signer, certUsageEmailSigner, |
| 557 | certDb, algorithm, keysize, |
| 558 | p12ctxt->pwfn, p12ctxt->pwfnarg); |
| 559 | if (!safeInfo->cinfo) { |
| 560 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 561 | goto loser; |
| 562 | } |
| 563 | |
| 564 | /* add recipients */ |
| 565 | if (recipients) { |
| 566 | unsigned int i = 0; |
| 567 | while (recipients[i] != NULL((void*)0)) { |
| 568 | SECStatus rv = SEC_PKCS7AddRecipient(safeInfo->cinfo, recipients[i], |
| 569 | certUsageEmailRecipient, certDb); |
| 570 | if (rv != SECSuccess) { |
| 571 | goto loser; |
| 572 | } |
| 573 | i++; |
| 574 | } |
| 575 | } |
| 576 | |
| 577 | if (sec_pkcs12_append_safe_info(p12ctxt, safeInfo) != SECSuccess) { |
| 578 | goto loser; |
| 579 | } |
| 580 | |
| 581 | PORT_ArenaUnmarkPORT_ArenaUnmark_Util(p12ctxt->arena, mark); |
| 582 | return safeInfo; |
| 583 | |
| 584 | loser: |
| 585 | if (safeInfo->cinfo) { |
| 586 | SEC_PKCS7DestroyContentInfo(safeInfo->cinfo); |
| 587 | safeInfo->cinfo = NULL((void*)0); |
| 588 | } |
| 589 | |
| 590 | PORT_ArenaReleasePORT_ArenaRelease_Util(p12ctxt->arena, mark); |
| 591 | return NULL((void*)0); |
| 592 | } |
| 593 | |
| 594 | /********************************* |
| 595 | * Routines to handle the exporting of the keys and certificates |
| 596 | *********************************/ |
| 597 | |
| 598 | /* creates a safe contents which safeBags will be appended to */ |
| 599 | sec_PKCS12SafeContents * |
| 600 | sec_PKCS12CreateSafeContents(PLArenaPool *arena) |
| 601 | { |
| 602 | sec_PKCS12SafeContents *safeContents; |
| 603 | |
| 604 | if (arena == NULL((void*)0)) { |
| 605 | return NULL((void*)0); |
| 606 | } |
| 607 | |
| 608 | /* create the safe contents */ |
| 609 | safeContents = (sec_PKCS12SafeContents *)PORT_ArenaZAllocPORT_ArenaZAlloc_Util(arena, |
| 610 | sizeof(sec_PKCS12SafeContents)); |
| 611 | if (!safeContents) { |
| 612 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 613 | goto loser; |
| 614 | } |
| 615 | |
| 616 | /* set up the internal contents info */ |
| 617 | safeContents->safeBags = NULL((void*)0); |
| 618 | safeContents->arena = arena; |
| 619 | safeContents->bagCount = 0; |
| 620 | |
| 621 | return safeContents; |
| 622 | |
| 623 | loser: |
| 624 | return NULL((void*)0); |
| 625 | } |
| 626 | |
| 627 | /* appends a safe bag to a safeContents using the specified arena. |
| 628 | */ |
| 629 | SECStatus |
| 630 | sec_pkcs12_append_bag_to_safe_contents(PLArenaPool *arena, |
| 631 | sec_PKCS12SafeContents *safeContents, |
| 632 | sec_PKCS12SafeBag *safeBag) |
| 633 | { |
| 634 | void *mark = NULL((void*)0), *dummy = NULL((void*)0); |
| 635 | |
| 636 | if (!arena || !safeBag || !safeContents) { |
| 637 | return SECFailure; |
| 638 | } |
| 639 | |
| 640 | mark = PORT_ArenaMarkPORT_ArenaMark_Util(arena); |
| 641 | if (!mark) { |
| 642 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 643 | return SECFailure; |
| 644 | } |
| 645 | |
| 646 | /* allocate space for the list, or reallocate to increase space */ |
| 647 | if (!safeContents->safeBags) { |
| 648 | safeContents->safeBags = (sec_PKCS12SafeBag **)PORT_ArenaZAllocPORT_ArenaZAlloc_Util(arena, |
| 649 | (2 * sizeof(sec_PKCS12SafeBag *))); |
| 650 | dummy = safeContents->safeBags; |
| 651 | safeContents->bagCount = 0; |
| 652 | } else { |
| 653 | dummy = PORT_ArenaGrowPORT_ArenaGrow_Util(arena, safeContents->safeBags, |
| 654 | (safeContents->bagCount + 1) * sizeof(sec_PKCS12SafeBag *), |
| 655 | (safeContents->bagCount + 2) * sizeof(sec_PKCS12SafeBag *)); |
| 656 | safeContents->safeBags = (sec_PKCS12SafeBag **)dummy; |
| 657 | } |
| 658 | |
| 659 | if (!dummy) { |
| 660 | PORT_ArenaReleasePORT_ArenaRelease_Util(arena, mark); |
| 661 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 662 | return SECFailure; |
| 663 | } |
| 664 | |
| 665 | /* append the bag at the end and null terminate the list */ |
| 666 | safeContents->safeBags[safeContents->bagCount++] = safeBag; |
| 667 | safeContents->safeBags[safeContents->bagCount] = NULL((void*)0); |
| 668 | |
| 669 | PORT_ArenaUnmarkPORT_ArenaUnmark_Util(arena, mark); |
| 670 | |
| 671 | return SECSuccess; |
| 672 | } |
| 673 | |
| 674 | /* appends a safeBag to a specific safeInfo. |
| 675 | */ |
| 676 | SECStatus |
| 677 | sec_pkcs12_append_bag(SEC_PKCS12ExportContext *p12ctxt, |
| 678 | SEC_PKCS12SafeInfo *safeInfo, sec_PKCS12SafeBag *safeBag) |
| 679 | { |
| 680 | sec_PKCS12SafeContents *dest; |
| 681 | SECStatus rv = SECFailure; |
| 682 | |
| 683 | if (!p12ctxt || !safeBag || !safeInfo) { |
| 684 | return SECFailure; |
| 685 | } |
| 686 | |
| 687 | if (!safeInfo->safe) { |
| 688 | safeInfo->safe = sec_PKCS12CreateSafeContents(p12ctxt->arena); |
| 689 | if (!safeInfo->safe) { |
| 690 | return SECFailure; |
| 691 | } |
| 692 | } |
| 693 | |
| 694 | dest = safeInfo->safe; |
| 695 | rv = sec_pkcs12_append_bag_to_safe_contents(p12ctxt->arena, dest, safeBag); |
| 696 | if (rv == SECSuccess) { |
| 697 | safeInfo->itemCount++; |
| 698 | } |
| 699 | |
| 700 | return rv; |
| 701 | } |
| 702 | |
| 703 | /* Creates a safeBag of the specified type, and if bagData is specified, |
| 704 | * the contents are set. The contents could be set later by the calling |
| 705 | * routine. |
| 706 | */ |
| 707 | sec_PKCS12SafeBag * |
| 708 | sec_PKCS12CreateSafeBag(SEC_PKCS12ExportContext *p12ctxt, SECOidTag bagType, |
| 709 | void *bagData) |
| 710 | { |
| 711 | sec_PKCS12SafeBag *safeBag; |
| 712 | void *mark = NULL((void*)0); |
| 713 | SECStatus rv = SECSuccess; |
| 714 | SECOidData *oidData = NULL((void*)0); |
| 715 | |
| 716 | if (!p12ctxt) { |
| 717 | return NULL((void*)0); |
| 718 | } |
| 719 | |
| 720 | mark = PORT_ArenaMarkPORT_ArenaMark_Util(p12ctxt->arena); |
| 721 | if (!mark) { |
| 722 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 723 | return NULL((void*)0); |
| 724 | } |
| 725 | |
| 726 | safeBag = (sec_PKCS12SafeBag *)PORT_ArenaZAllocPORT_ArenaZAlloc_Util(p12ctxt->arena, |
| 727 | sizeof(sec_PKCS12SafeBag)); |
| 728 | if (!safeBag) { |
| 729 | PORT_ArenaReleasePORT_ArenaRelease_Util(p12ctxt->arena, mark); |
| 730 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 731 | return NULL((void*)0); |
| 732 | } |
| 733 | |
| 734 | /* set the bags content based upon bag type */ |
| 735 | switch (bagType) { |
| 736 | case SEC_OID_PKCS12_V1_KEY_BAG_ID: |
| 737 | safeBag->safeBagContent.pkcs8KeyBag = |
| 738 | (SECKEYPrivateKeyInfo *)bagData; |
| 739 | break; |
| 740 | case SEC_OID_PKCS12_V1_CERT_BAG_ID: |
| 741 | safeBag->safeBagContent.certBag = (sec_PKCS12CertBag *)bagData; |
| 742 | break; |
| 743 | case SEC_OID_PKCS12_V1_CRL_BAG_ID: |
| 744 | safeBag->safeBagContent.crlBag = (sec_PKCS12CRLBag *)bagData; |
| 745 | break; |
| 746 | case SEC_OID_PKCS12_V1_SECRET_BAG_ID: |
| 747 | safeBag->safeBagContent.secretBag = (sec_PKCS12SecretBag *)bagData; |
| 748 | break; |
| 749 | case SEC_OID_PKCS12_V1_PKCS8_SHROUDED_KEY_BAG_ID: |
| 750 | safeBag->safeBagContent.pkcs8ShroudedKeyBag = |
| 751 | (SECKEYEncryptedPrivateKeyInfo *)bagData; |
| 752 | break; |
| 753 | case SEC_OID_PKCS12_V1_SAFE_CONTENTS_BAG_ID: |
| 754 | safeBag->safeBagContent.safeContents = |
| 755 | (sec_PKCS12SafeContents *)bagData; |
| 756 | break; |
| 757 | default: |
| 758 | goto loser; |
| 759 | } |
| 760 | |
| 761 | oidData = SECOID_FindOIDByTagSECOID_FindOIDByTag_Util(bagType); |
| 762 | if (oidData) { |
| 763 | rv = SECITEM_CopyItemSECITEM_CopyItem_Util(p12ctxt->arena, &safeBag->safeBagType, &oidData->oid); |
| 764 | if (rv != SECSuccess) { |
| 765 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 766 | goto loser; |
| 767 | } |
| 768 | } else { |
| 769 | goto loser; |
| 770 | } |
| 771 | |
| 772 | safeBag->arena = p12ctxt->arena; |
| 773 | PORT_ArenaUnmarkPORT_ArenaUnmark_Util(p12ctxt->arena, mark); |
| 774 | |
| 775 | return safeBag; |
| 776 | |
| 777 | loser: |
| 778 | if (mark) { |
| 779 | PORT_ArenaReleasePORT_ArenaRelease_Util(p12ctxt->arena, mark); |
| 780 | } |
| 781 | |
| 782 | return NULL((void*)0); |
| 783 | } |
| 784 | |
| 785 | /* Creates a new certificate bag and returns a pointer to it. If an error |
| 786 | * occurs NULL is returned. |
| 787 | */ |
| 788 | sec_PKCS12CertBag * |
| 789 | sec_PKCS12NewCertBag(PLArenaPool *arena, SECOidTag certType) |
| 790 | { |
| 791 | sec_PKCS12CertBag *certBag = NULL((void*)0); |
| 792 | SECOidData *bagType = NULL((void*)0); |
| 793 | SECStatus rv; |
| 794 | void *mark = NULL((void*)0); |
| 795 | |
| 796 | if (!arena) { |
| 797 | return NULL((void*)0); |
| 798 | } |
| 799 | |
| 800 | mark = PORT_ArenaMarkPORT_ArenaMark_Util(arena); |
| 801 | certBag = (sec_PKCS12CertBag *)PORT_ArenaZAllocPORT_ArenaZAlloc_Util(arena, |
| 802 | sizeof(sec_PKCS12CertBag)); |
| 803 | if (!certBag) { |
| 804 | PORT_ArenaReleasePORT_ArenaRelease_Util(arena, mark); |
| 805 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 806 | return NULL((void*)0); |
| 807 | } |
| 808 | |
| 809 | bagType = SECOID_FindOIDByTagSECOID_FindOIDByTag_Util(certType); |
| 810 | if (!bagType) { |
| 811 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 812 | goto loser; |
| 813 | } |
| 814 | |
| 815 | rv = SECITEM_CopyItemSECITEM_CopyItem_Util(arena, &certBag->bagID, &bagType->oid); |
| 816 | if (rv != SECSuccess) { |
| 817 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 818 | goto loser; |
| 819 | } |
| 820 | |
| 821 | PORT_ArenaUnmarkPORT_ArenaUnmark_Util(arena, mark); |
| 822 | return certBag; |
| 823 | |
| 824 | loser: |
| 825 | PORT_ArenaReleasePORT_ArenaRelease_Util(arena, mark); |
| 826 | return NULL((void*)0); |
| 827 | } |
| 828 | |
| 829 | /* Creates a new CRL bag and returns a pointer to it. If an error |
| 830 | * occurs NULL is returned. |
| 831 | */ |
| 832 | sec_PKCS12CRLBag * |
| 833 | sec_PKCS12NewCRLBag(PLArenaPool *arena, SECOidTag crlType) |
| 834 | { |
| 835 | sec_PKCS12CRLBag *crlBag = NULL((void*)0); |
| 836 | SECOidData *bagType = NULL((void*)0); |
| 837 | SECStatus rv; |
| 838 | void *mark = NULL((void*)0); |
| 839 | |
| 840 | if (!arena) { |
| 841 | return NULL((void*)0); |
| 842 | } |
| 843 | |
| 844 | mark = PORT_ArenaMarkPORT_ArenaMark_Util(arena); |
| 845 | crlBag = (sec_PKCS12CRLBag *)PORT_ArenaZAllocPORT_ArenaZAlloc_Util(arena, |
| 846 | sizeof(sec_PKCS12CRLBag)); |
| 847 | if (!crlBag) { |
| 848 | PORT_ArenaReleasePORT_ArenaRelease_Util(arena, mark); |
| 849 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 850 | return NULL((void*)0); |
| 851 | } |
| 852 | |
| 853 | bagType = SECOID_FindOIDByTagSECOID_FindOIDByTag_Util(crlType); |
| 854 | if (!bagType) { |
| 855 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 856 | goto loser; |
| 857 | } |
| 858 | |
| 859 | rv = SECITEM_CopyItemSECITEM_CopyItem_Util(arena, &crlBag->bagID, &bagType->oid); |
| 860 | if (rv != SECSuccess) { |
| 861 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 862 | goto loser; |
| 863 | } |
| 864 | |
| 865 | PORT_ArenaUnmarkPORT_ArenaUnmark_Util(arena, mark); |
| 866 | return crlBag; |
| 867 | |
| 868 | loser: |
| 869 | PORT_ArenaReleasePORT_ArenaRelease_Util(arena, mark); |
| 870 | return NULL((void*)0); |
| 871 | } |
| 872 | |
| 873 | /* sec_PKCS12AddAttributeToBag |
| 874 | * adds an attribute to a safeBag. currently, the only attributes supported |
| 875 | * are those which are specified within PKCS 12. |
| 876 | * |
| 877 | * p12ctxt - the export context |
| 878 | * safeBag - the safeBag to which attributes are appended |
| 879 | * attrType - the attribute type |
| 880 | * attrData - the attribute data |
| 881 | */ |
| 882 | SECStatus |
| 883 | sec_PKCS12AddAttributeToBag(SEC_PKCS12ExportContext *p12ctxt, |
| 884 | sec_PKCS12SafeBag *safeBag, SECOidTag attrType, |
| 885 | SECItem *attrData) |
| 886 | { |
| 887 | sec_PKCS12Attribute *attribute; |
| 888 | void *mark = NULL((void*)0), *dummy = NULL((void*)0); |
| 889 | SECOidData *oiddata = NULL((void*)0); |
| 890 | SECItem unicodeName = { siBuffer, NULL((void*)0), 0 }; |
| 891 | void *src = NULL((void*)0); |
| 892 | unsigned int nItems = 0; |
| 893 | SECStatus rv; |
| 894 | |
| 895 | PORT_Assert(p12ctxt->arena == safeBag->arena)((p12ctxt->arena == safeBag->arena)?((void)0):PR_Assert ("p12ctxt->arena == safeBag->arena","p12e.c",895)); |
| 896 | if (!safeBag || !p12ctxt || p12ctxt->arena != safeBag->arena) { |
| 897 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 898 | return SECFailure; |
| 899 | } |
| 900 | |
| 901 | mark = PORT_ArenaMarkPORT_ArenaMark_Util(safeBag->arena); |
| 902 | |
| 903 | /* allocate the attribute */ |
| 904 | attribute = (sec_PKCS12Attribute *)PORT_ArenaZAllocPORT_ArenaZAlloc_Util(safeBag->arena, |
| 905 | sizeof(sec_PKCS12Attribute)); |
| 906 | if (!attribute) { |
| 907 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 908 | goto loser; |
| 909 | } |
| 910 | |
| 911 | /* set up the attribute */ |
| 912 | oiddata = SECOID_FindOIDByTagSECOID_FindOIDByTag_Util(attrType); |
| 913 | if (!oiddata) { |
| 914 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 915 | goto loser; |
| 916 | } |
| 917 | if (SECITEM_CopyItemSECITEM_CopyItem_Util(p12ctxt->arena, &attribute->attrType, &oiddata->oid) != |
| 918 | SECSuccess) { |
| 919 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 920 | goto loser; |
| 921 | } |
| 922 | |
| 923 | nItems = 1; |
| 924 | switch (attrType) { |
| 925 | case SEC_OID_PKCS9_LOCAL_KEY_ID: { |
| 926 | src = attrData; |
| 927 | break; |
| 928 | } |
| 929 | case SEC_OID_PKCS9_FRIENDLY_NAME: { |
| 930 | if (!sec_pkcs12_convert_item_to_unicode(p12ctxt->arena, |
| 931 | &unicodeName, attrData, PR_FALSE0, |
| 932 | PR_FALSE0, PR_TRUE1)) { |
| 933 | goto loser; |
| 934 | } |
| 935 | src = &unicodeName; |
| 936 | break; |
| 937 | } |
| 938 | default: |
| 939 | goto loser; |
| 940 | } |
| 941 | |
| 942 | /* append the attribute to the attribute value list */ |
| 943 | attribute->attrValue = (SECItem **)PORT_ArenaZAllocPORT_ArenaZAlloc_Util(p12ctxt->arena, |
| 944 | ((nItems + 1) * sizeof(SECItem *))); |
| 945 | if (!attribute->attrValue) { |
| 946 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 947 | goto loser; |
| 948 | } |
| 949 | |
| 950 | /* XXX this will need to be changed if attributes requiring more than |
| 951 | * one element are ever used. |
| 952 | */ |
| 953 | attribute->attrValue[0] = (SECItem *)PORT_ArenaZAllocPORT_ArenaZAlloc_Util(p12ctxt->arena, |
| 954 | sizeof(SECItem)); |
| 955 | if (!attribute->attrValue[0]) { |
| 956 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 957 | goto loser; |
| 958 | } |
| 959 | attribute->attrValue[1] = NULL((void*)0); |
| 960 | |
| 961 | rv = SECITEM_CopyItemSECITEM_CopyItem_Util(p12ctxt->arena, attribute->attrValue[0], |
| 962 | (SECItem *)src); |
| 963 | if (rv != SECSuccess) { |
| 964 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 965 | goto loser; |
| 966 | } |
| 967 | |
| 968 | /* append the attribute to the safeBag attributes */ |
| 969 | if (safeBag->nAttribs) { |
| 970 | dummy = PORT_ArenaGrowPORT_ArenaGrow_Util(p12ctxt->arena, safeBag->attribs, |
| 971 | ((safeBag->nAttribs + 1) * sizeof(sec_PKCS12Attribute *)), |
| 972 | ((safeBag->nAttribs + 2) * sizeof(sec_PKCS12Attribute *))); |
| 973 | safeBag->attribs = (sec_PKCS12Attribute **)dummy; |
| 974 | } else { |
| 975 | safeBag->attribs = (sec_PKCS12Attribute **)PORT_ArenaZAllocPORT_ArenaZAlloc_Util(p12ctxt->arena, |
| 976 | 2 * sizeof(sec_PKCS12Attribute *)); |
| 977 | dummy = safeBag->attribs; |
| 978 | } |
| 979 | if (!dummy) { |
| 980 | goto loser; |
| 981 | } |
| 982 | |
| 983 | safeBag->attribs[safeBag->nAttribs] = attribute; |
| 984 | safeBag->attribs[++safeBag->nAttribs] = NULL((void*)0); |
| 985 | |
| 986 | PORT_ArenaUnmarkPORT_ArenaUnmark_Util(p12ctxt->arena, mark); |
| 987 | return SECSuccess; |
| 988 | |
| 989 | loser: |
| 990 | if (mark) { |
| 991 | PORT_ArenaReleasePORT_ArenaRelease_Util(p12ctxt->arena, mark); |
| 992 | } |
| 993 | |
| 994 | return SECFailure; |
| 995 | } |
| 996 | |
| 997 | /* SEC_PKCS12AddCert |
| 998 | * Adds a certificate to the data being exported. |
| 999 | * |
| 1000 | * p12ctxt - the export context |
| 1001 | * safe - the safeInfo to which the certificate is placed |
| 1002 | * nestedDest - if the cert is to be placed within a nested safeContents then, |
| 1003 | * this value is to be specified with the destination |
| 1004 | * cert - the cert to export |
| 1005 | * certDb - the certificate database handle |
| 1006 | * keyId - a unique identifier to associate a certificate/key pair |
| 1007 | * includeCertChain - PR_TRUE if the certificate chain is to be included. |
| 1008 | */ |
| 1009 | SECStatus |
| 1010 | SEC_PKCS12AddCert(SEC_PKCS12ExportContext *p12ctxt, SEC_PKCS12SafeInfo *safe, |
| 1011 | void *nestedDest, CERTCertificate *cert, |
| 1012 | CERTCertDBHandle *certDb, SECItem *keyId, |
| 1013 | PRBool includeCertChain) |
| 1014 | { |
| 1015 | sec_PKCS12CertBag *certBag; |
| 1016 | sec_PKCS12SafeBag *safeBag; |
| 1017 | void *mark; |
| 1018 | SECStatus rv; |
| 1019 | SECItem nick = { siBuffer, NULL((void*)0), 0 }; |
| 1020 | |
| 1021 | if (!p12ctxt || !cert) { |
| 1022 | return SECFailure; |
| 1023 | } |
| 1024 | mark = PORT_ArenaMarkPORT_ArenaMark_Util(p12ctxt->arena); |
| 1025 | |
| 1026 | /* allocate the cert bag */ |
| 1027 | certBag = sec_PKCS12NewCertBag(p12ctxt->arena, |
| 1028 | SEC_OID_PKCS9_X509_CERT); |
| 1029 | if (!certBag) { |
| 1030 | goto loser; |
| 1031 | } |
| 1032 | |
| 1033 | if (SECITEM_CopyItemSECITEM_CopyItem_Util(p12ctxt->arena, &certBag->value.x509Cert, |
| 1034 | &cert->derCert) != SECSuccess) { |
| 1035 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 1036 | goto loser; |
| 1037 | } |
| 1038 | |
| 1039 | /* if the cert chain is to be included, we should only be exporting |
| 1040 | * the cert from our internal database. |
| 1041 | */ |
| 1042 | if (includeCertChain) { |
| 1043 | CERTCertificateList *certList = CERT_CertChainFromCert(cert, |
| 1044 | certUsageSSLClient, |
| 1045 | PR_TRUE1); |
| 1046 | unsigned int count = 0; |
| 1047 | if (!certList) { |
| 1048 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 1049 | goto loser; |
| 1050 | } |
| 1051 | |
| 1052 | /* add cert chain */ |
| 1053 | for (count = 0; count < (unsigned int)certList->len; count++) { |
| 1054 | if (SECITEM_CompareItemSECITEM_CompareItem_Util(&certList->certs[count], &cert->derCert) != SECEqual) { |
| 1055 | CERTCertificate *tempCert; |
| 1056 | |
| 1057 | /* decode the certificate */ |
| 1058 | /* XXX |
| 1059 | * This was rather silly. The chain is constructed above |
| 1060 | * by finding all of the CERTCertificate's in the database. |
| 1061 | * Then the chain is put into a CERTCertificateList, which only |
| 1062 | * contains the DER. Finally, the DER was decoded, and the |
| 1063 | * decoded cert was sent recursively back to this function. |
| 1064 | * Beyond being inefficent, this causes data loss (specifically, |
| 1065 | * the nickname). Instead, for 3.4, we'll do a lookup by the |
| 1066 | * DER, which should return the cached entry. |
| 1067 | */ |
| 1068 | tempCert = CERT_FindCertByDERCert(CERT_GetDefaultCertDB(), |
| 1069 | &certList->certs[count]); |
| 1070 | if (!tempCert) { |
| 1071 | CERT_DestroyCertificateList(certList); |
| 1072 | goto loser; |
| 1073 | } |
| 1074 | |
| 1075 | /* add the certificate */ |
| 1076 | if (SEC_PKCS12AddCert(p12ctxt, safe, nestedDest, tempCert, |
| 1077 | certDb, NULL((void*)0), PR_FALSE0) != SECSuccess) { |
| 1078 | CERT_DestroyCertificate(tempCert); |
| 1079 | CERT_DestroyCertificateList(certList); |
| 1080 | goto loser; |
| 1081 | } |
| 1082 | CERT_DestroyCertificate(tempCert); |
| 1083 | } |
| 1084 | } |
| 1085 | CERT_DestroyCertificateList(certList); |
| 1086 | } |
| 1087 | |
| 1088 | /* if the certificate has a nickname, we will set the friendly name |
| 1089 | * to that. |
| 1090 | */ |
| 1091 | if (cert->nickname) { |
| 1092 | if (cert->slot && !PK11_IsInternal(cert->slot)) { |
| 1093 | /* |
| 1094 | * The cert is coming off of an external token, |
| 1095 | * let's strip the token name from the nickname |
| 1096 | * and only add what comes after the colon as the |
| 1097 | * nickname. -javi |
| 1098 | */ |
| 1099 | char *delimit; |
| 1100 | |
| 1101 | delimit = PORT_Strchrstrchr(cert->nickname, ':'); |
| 1102 | if (delimit == NULL((void*)0)) { |
| 1103 | nick.data = (unsigned char *)cert->nickname; |
| 1104 | nick.len = PORT_Strlen(cert->nickname)strlen(cert->nickname); |
| 1105 | } else { |
| 1106 | delimit++; |
| 1107 | nick.data = (unsigned char *)PORT_ArenaStrdupPORT_ArenaStrdup_Util(p12ctxt->arena, |
| 1108 | delimit); |
| 1109 | nick.len = PORT_Strlen(delimit)strlen(delimit); |
| 1110 | } |
| 1111 | } else { |
| 1112 | nick.data = (unsigned char *)cert->nickname; |
| 1113 | nick.len = PORT_Strlen(cert->nickname)strlen(cert->nickname); |
| 1114 | } |
| 1115 | } |
| 1116 | |
| 1117 | safeBag = sec_PKCS12CreateSafeBag(p12ctxt, SEC_OID_PKCS12_V1_CERT_BAG_ID, |
| 1118 | certBag); |
| 1119 | if (!safeBag) { |
| 1120 | goto loser; |
| 1121 | } |
| 1122 | |
| 1123 | /* add the friendly name and keyId attributes, if necessary */ |
| 1124 | if (nick.data) { |
| 1125 | if (sec_PKCS12AddAttributeToBag(p12ctxt, safeBag, |
| 1126 | SEC_OID_PKCS9_FRIENDLY_NAME, &nick) != SECSuccess) { |
| 1127 | goto loser; |
| 1128 | } |
| 1129 | } |
| 1130 | |
| 1131 | if (keyId) { |
| 1132 | if (sec_PKCS12AddAttributeToBag(p12ctxt, safeBag, SEC_OID_PKCS9_LOCAL_KEY_ID, |
| 1133 | keyId) != SECSuccess) { |
| 1134 | goto loser; |
| 1135 | } |
| 1136 | } |
| 1137 | |
| 1138 | /* append the cert safeBag */ |
| 1139 | if (nestedDest) { |
| 1140 | rv = sec_pkcs12_append_bag_to_safe_contents(p12ctxt->arena, |
| 1141 | (sec_PKCS12SafeContents *)nestedDest, |
| 1142 | safeBag); |
| 1143 | } else { |
| 1144 | rv = sec_pkcs12_append_bag(p12ctxt, safe, safeBag); |
| 1145 | } |
| 1146 | |
| 1147 | if (rv != SECSuccess) { |
| 1148 | goto loser; |
| 1149 | } |
| 1150 | |
| 1151 | PORT_ArenaUnmarkPORT_ArenaUnmark_Util(p12ctxt->arena, mark); |
| 1152 | return SECSuccess; |
| 1153 | |
| 1154 | loser: |
| 1155 | if (mark) { |
| 1156 | PORT_ArenaReleasePORT_ArenaRelease_Util(p12ctxt->arena, mark); |
| 1157 | } |
| 1158 | |
| 1159 | return SECFailure; |
| 1160 | } |
| 1161 | |
| 1162 | /* SEC_PKCS12AddKeyForCert |
| 1163 | * Extracts the key associated with a particular certificate and exports |
| 1164 | * it. |
| 1165 | * |
| 1166 | * p12ctxt - the export context |
| 1167 | * safe - the safeInfo to place the key in |
| 1168 | * nestedDest - the nested safeContents to place a key |
| 1169 | * cert - the certificate which the key belongs to |
| 1170 | * shroudKey - encrypt the private key for export. This value should |
| 1171 | * always be true. lower level code will not allow the export |
| 1172 | * of unencrypted private keys. |
| 1173 | * algorithm - the algorithm with which to encrypt the private key |
| 1174 | * pwitem - the password to encrypt the private key with |
| 1175 | * keyId - the keyID attribute |
| 1176 | * nickName - the nickname attribute |
| 1177 | */ |
| 1178 | SECStatus |
| 1179 | SEC_PKCS12AddKeyForCert(SEC_PKCS12ExportContext *p12ctxt, SEC_PKCS12SafeInfo *safe, |
| 1180 | void *nestedDest, CERTCertificate *cert, |
| 1181 | PRBool shroudKey, SECOidTag algorithm, SECItem *pwitem, |
| 1182 | SECItem *keyId, SECItem *nickName) |
| 1183 | { |
| 1184 | void *mark; |
| 1185 | void *keyItem; |
| 1186 | SECOidTag keyType; |
| 1187 | SECStatus rv = SECFailure; |
| 1188 | SECItem nickname = { siBuffer, NULL((void*)0), 0 }, uniPwitem = { siBuffer, NULL((void*)0), 0 }; |
| 1189 | sec_PKCS12SafeBag *returnBag; |
| 1190 | |
| 1191 | if (!p12ctxt || !cert || !safe) { |
| 1192 | return SECFailure; |
| 1193 | } |
| 1194 | |
| 1195 | mark = PORT_ArenaMarkPORT_ArenaMark_Util(p12ctxt->arena); |
| 1196 | |
| 1197 | /* retrieve the key based upon the type that it is and |
| 1198 | * specify the type of safeBag to store the key in |
| 1199 | */ |
| 1200 | if (!shroudKey) { |
| 1201 | |
| 1202 | /* extract the key unencrypted. this will most likely go away */ |
| 1203 | SECKEYPrivateKeyInfo *pki = PK11_ExportPrivateKeyInfo(cert, |
| 1204 | p12ctxt->wincx); |
| 1205 | if (!pki) { |
| 1206 | PORT_ArenaReleasePORT_ArenaRelease_Util(p12ctxt->arena, mark); |
| 1207 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_PKCS12_UNABLE_TO_EXPORT_KEY); |
| 1208 | return SECFailure; |
| 1209 | } |
| 1210 | keyItem = PORT_ArenaZAllocPORT_ArenaZAlloc_Util(p12ctxt->arena, sizeof(SECKEYPrivateKeyInfo)); |
| 1211 | if (!keyItem) { |
| 1212 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 1213 | goto loser; |
| 1214 | } |
| 1215 | rv = SECKEY_CopyPrivateKeyInfo(p12ctxt->arena, |
| 1216 | (SECKEYPrivateKeyInfo *)keyItem, pki); |
| 1217 | keyType = SEC_OID_PKCS12_V1_KEY_BAG_ID; |
| 1218 | SECKEY_DestroyPrivateKeyInfo(pki, PR_TRUE1); |
| 1219 | } else { |
| 1220 | |
| 1221 | /* extract the key encrypted */ |
| 1222 | SECKEYEncryptedPrivateKeyInfo *epki = NULL((void*)0); |
| 1223 | PK11SlotInfo *slot = NULL((void*)0); |
| 1224 | SECOidTag prfAlg = SEC_OID_UNKNOWN; |
| 1225 | |
| 1226 | if (!sec_pkcs12_encode_password(p12ctxt->arena, &uniPwitem, algorithm, |
| 1227 | pwitem)) { |
| 1228 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 1229 | goto loser; |
| 1230 | } |
| 1231 | |
| 1232 | /* if we have password integrity set, use that to set the integrity |
| 1233 | * hash algorithm to set our password PRF. If we haven't set it, just |
| 1234 | * let the low level code pick it */ |
| 1235 | if (p12ctxt->integrityEnabled && p12ctxt->pwdIntegrity) { |
| 1236 | prfAlg = HASH_GetHMACOidTagByHashOidTag( |
| 1237 | p12ctxt->integrityInfo.pwdInfo.algorithm); |
| 1238 | } |
| 1239 | |
| 1240 | /* we want to make sure to take the key out of the key slot */ |
| 1241 | if (PK11_IsInternal(p12ctxt->slot)) { |
| 1242 | slot = PK11_GetInternalKeySlot(); |
| 1243 | } else { |
| 1244 | slot = PK11_ReferenceSlot(p12ctxt->slot); |
| 1245 | } |
| 1246 | |
| 1247 | /* passing algorithm as the pbe will force the PBE code to |
| 1248 | * automatically handle the selection between using the algorithm |
| 1249 | * as a the pbe algorithm, or using the algorithm as a cipher |
| 1250 | * and building a pkcs5 pbe */ |
| 1251 | epki = PK11_ExportEncryptedPrivateKeyInfoV2(slot, algorithm, |
| 1252 | SEC_OID_UNKNOWN, prfAlg, |
| 1253 | &uniPwitem, cert, |
| 1254 | NSS_PBE_DEFAULT_ITERATION_COUNT, |
| 1255 | p12ctxt->wincx); |
| 1256 | PK11_FreeSlot(slot); |
| 1257 | if (!epki) { |
| 1258 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_PKCS12_UNABLE_TO_EXPORT_KEY); |
| 1259 | goto loser; |
| 1260 | } |
| 1261 | |
| 1262 | keyItem = PORT_ArenaZAllocPORT_ArenaZAlloc_Util(p12ctxt->arena, |
| 1263 | sizeof(SECKEYEncryptedPrivateKeyInfo)); |
| 1264 | if (!keyItem) { |
| 1265 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 1266 | goto loser; |
| 1267 | } |
| 1268 | rv = SECKEY_CopyEncryptedPrivateKeyInfo(p12ctxt->arena, |
| 1269 | (SECKEYEncryptedPrivateKeyInfo *)keyItem, |
| 1270 | epki); |
| 1271 | keyType = SEC_OID_PKCS12_V1_PKCS8_SHROUDED_KEY_BAG_ID; |
| 1272 | SECKEY_DestroyEncryptedPrivateKeyInfo(epki, PR_TRUE1); |
| 1273 | } |
| 1274 | |
| 1275 | if (rv != SECSuccess) { |
| 1276 | goto loser; |
| 1277 | } |
| 1278 | |
| 1279 | /* if no nickname specified, let's see if the certificate has a |
| 1280 | * nickname. |
| 1281 | */ |
| 1282 | if (!nickName) { |
| 1283 | if (cert->nickname) { |
| 1284 | nickname.data = (unsigned char *)cert->nickname; |
| 1285 | nickname.len = PORT_Strlen(cert->nickname)strlen(cert->nickname); |
| 1286 | nickName = &nickname; |
| 1287 | } |
| 1288 | } |
| 1289 | |
| 1290 | /* create the safe bag and set any attributes */ |
| 1291 | returnBag = sec_PKCS12CreateSafeBag(p12ctxt, keyType, keyItem); |
| 1292 | if (!returnBag) { |
| 1293 | rv = SECFailure; |
| 1294 | goto loser; |
| 1295 | } |
| 1296 | |
| 1297 | if (nickName) { |
| 1298 | if (sec_PKCS12AddAttributeToBag(p12ctxt, returnBag, |
| 1299 | SEC_OID_PKCS9_FRIENDLY_NAME, nickName) != SECSuccess) { |
| 1300 | goto loser; |
| 1301 | } |
| 1302 | } |
| 1303 | |
| 1304 | if (keyId) { |
| 1305 | if (sec_PKCS12AddAttributeToBag(p12ctxt, returnBag, SEC_OID_PKCS9_LOCAL_KEY_ID, |
| 1306 | keyId) != SECSuccess) { |
| 1307 | goto loser; |
| 1308 | } |
| 1309 | } |
| 1310 | |
| 1311 | if (nestedDest) { |
| 1312 | rv = sec_pkcs12_append_bag_to_safe_contents(p12ctxt->arena, |
| 1313 | (sec_PKCS12SafeContents *)nestedDest, |
| 1314 | returnBag); |
| 1315 | } else { |
| 1316 | rv = sec_pkcs12_append_bag(p12ctxt, safe, returnBag); |
| 1317 | } |
| 1318 | |
| 1319 | loser: |
| 1320 | |
| 1321 | if (rv != SECSuccess) { |
| 1322 | PORT_ArenaReleasePORT_ArenaRelease_Util(p12ctxt->arena, mark); |
| 1323 | } else { |
| 1324 | PORT_ArenaUnmarkPORT_ArenaUnmark_Util(p12ctxt->arena, mark); |
| 1325 | } |
| 1326 | |
| 1327 | return rv; |
| 1328 | } |
| 1329 | |
| 1330 | /* SEC_PKCS12AddCertOrChainAndKey |
| 1331 | * Add a certificate and key pair to be exported. |
| 1332 | * |
| 1333 | * p12ctxt - the export context |
| 1334 | * certSafe - the safeInfo where the cert is stored |
| 1335 | * certNestedDest - the nested safeContents to store the cert |
| 1336 | * keySafe - the safeInfo where the key is stored |
| 1337 | * keyNestedDest - the nested safeContents to store the key |
| 1338 | * shroudKey - extract the private key encrypted? |
| 1339 | * pwitem - the password with which the key is encrypted |
| 1340 | * algorithm - the algorithm with which the key is encrypted |
| 1341 | * includeCertChain - also add certs from chain to bag. |
| 1342 | */ |
| 1343 | SECStatus |
| 1344 | SEC_PKCS12AddCertOrChainAndKey(SEC_PKCS12ExportContext *p12ctxt, |
| 1345 | void *certSafe, void *certNestedDest, |
| 1346 | CERTCertificate *cert, CERTCertDBHandle *certDb, |
| 1347 | void *keySafe, void *keyNestedDest, |
| 1348 | PRBool shroudKey, SECItem *pwitem, |
| 1349 | SECOidTag algorithm, PRBool includeCertChain) |
| 1350 | { |
| 1351 | SECStatus rv = SECFailure; |
| 1352 | SGNDigestInfo *digest = NULL((void*)0); |
| 1353 | void *mark = NULL((void*)0); |
| 1354 | |
| 1355 | if (!p12ctxt || !certSafe || !keySafe || !cert) { |
| 1356 | return SECFailure; |
| 1357 | } |
| 1358 | |
| 1359 | mark = PORT_ArenaMarkPORT_ArenaMark_Util(p12ctxt->arena); |
| 1360 | |
| 1361 | /* generate the thumbprint of the cert to use as a keyId */ |
| 1362 | digest = sec_pkcs12_compute_thumbprint(&cert->derCert); |
| 1363 | if (!digest) { |
| 1364 | PORT_ArenaReleasePORT_ArenaRelease_Util(p12ctxt->arena, mark); |
| 1365 | return SECFailure; |
| 1366 | } |
| 1367 | |
| 1368 | /* add the certificate */ |
| 1369 | rv = SEC_PKCS12AddCert(p12ctxt, (SEC_PKCS12SafeInfo *)certSafe, |
| 1370 | (SEC_PKCS12SafeInfo *)certNestedDest, cert, certDb, |
| 1371 | &digest->digest, includeCertChain); |
| 1372 | if (rv != SECSuccess) { |
| 1373 | goto loser; |
| 1374 | } |
| 1375 | |
| 1376 | /* add the key */ |
| 1377 | rv = SEC_PKCS12AddKeyForCert(p12ctxt, (SEC_PKCS12SafeInfo *)keySafe, |
| 1378 | keyNestedDest, cert, |
| 1379 | shroudKey, algorithm, pwitem, |
| 1380 | &digest->digest, NULL((void*)0)); |
| 1381 | if (rv != SECSuccess) { |
| 1382 | goto loser; |
| 1383 | } |
| 1384 | |
| 1385 | SGN_DestroyDigestInfoSGN_DestroyDigestInfo_Util(digest); |
| 1386 | |
| 1387 | PORT_ArenaUnmarkPORT_ArenaUnmark_Util(p12ctxt->arena, mark); |
| 1388 | return SECSuccess; |
| 1389 | |
| 1390 | loser: |
| 1391 | SGN_DestroyDigestInfoSGN_DestroyDigestInfo_Util(digest); |
| 1392 | PORT_ArenaReleasePORT_ArenaRelease_Util(p12ctxt->arena, mark); |
| 1393 | |
| 1394 | return SECFailure; |
| 1395 | } |
| 1396 | |
| 1397 | /* like SEC_PKCS12AddCertOrChainAndKey, but always adds cert chain */ |
| 1398 | SECStatus |
| 1399 | SEC_PKCS12AddCertAndKey(SEC_PKCS12ExportContext *p12ctxt, |
| 1400 | void *certSafe, void *certNestedDest, |
| 1401 | CERTCertificate *cert, CERTCertDBHandle *certDb, |
| 1402 | void *keySafe, void *keyNestedDest, |
| 1403 | PRBool shroudKey, SECItem *pwItem, SECOidTag algorithm) |
| 1404 | { |
| 1405 | return SEC_PKCS12AddCertOrChainAndKey(p12ctxt, certSafe, certNestedDest, |
| 1406 | cert, certDb, keySafe, keyNestedDest, shroudKey, pwItem, |
| 1407 | algorithm, PR_TRUE1); |
| 1408 | } |
| 1409 | |
| 1410 | /* SEC_PKCS12CreateNestedSafeContents |
| 1411 | * Allows nesting of safe contents to be implemented. No limit imposed on |
| 1412 | * depth. |
| 1413 | * |
| 1414 | * p12ctxt - the export context |
| 1415 | * baseSafe - the base safeInfo |
| 1416 | * nestedDest - a parent safeContents (?) |
| 1417 | */ |
| 1418 | void * |
| 1419 | SEC_PKCS12CreateNestedSafeContents(SEC_PKCS12ExportContext *p12ctxt, |
| 1420 | void *baseSafe, void *nestedDest) |
| 1421 | { |
| 1422 | sec_PKCS12SafeContents *newSafe; |
| 1423 | sec_PKCS12SafeBag *safeContentsBag; |
| 1424 | void *mark; |
| 1425 | SECStatus rv; |
| 1426 | |
| 1427 | if (!p12ctxt || !baseSafe) { |
| 1428 | return NULL((void*)0); |
| 1429 | } |
| 1430 | |
| 1431 | mark = PORT_ArenaMarkPORT_ArenaMark_Util(p12ctxt->arena); |
| 1432 | |
| 1433 | newSafe = sec_PKCS12CreateSafeContents(p12ctxt->arena); |
| 1434 | if (!newSafe) { |
| 1435 | PORT_ArenaReleasePORT_ArenaRelease_Util(p12ctxt->arena, mark); |
| 1436 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 1437 | return NULL((void*)0); |
| 1438 | } |
| 1439 | |
| 1440 | /* create the safeContents safeBag */ |
| 1441 | safeContentsBag = sec_PKCS12CreateSafeBag(p12ctxt, |
| 1442 | SEC_OID_PKCS12_V1_SAFE_CONTENTS_BAG_ID, |
| 1443 | newSafe); |
| 1444 | if (!safeContentsBag) { |
| 1445 | goto loser; |
| 1446 | } |
| 1447 | |
| 1448 | /* append the safeContents to the appropriate area */ |
| 1449 | if (nestedDest) { |
| 1450 | rv = sec_pkcs12_append_bag_to_safe_contents(p12ctxt->arena, |
| 1451 | (sec_PKCS12SafeContents *)nestedDest, |
| 1452 | safeContentsBag); |
| 1453 | } else { |
| 1454 | rv = sec_pkcs12_append_bag(p12ctxt, (SEC_PKCS12SafeInfo *)baseSafe, |
| 1455 | safeContentsBag); |
| 1456 | } |
| 1457 | if (rv != SECSuccess) { |
| 1458 | goto loser; |
| 1459 | } |
| 1460 | |
| 1461 | PORT_ArenaUnmarkPORT_ArenaUnmark_Util(p12ctxt->arena, mark); |
| 1462 | return newSafe; |
| 1463 | |
| 1464 | loser: |
| 1465 | PORT_ArenaReleasePORT_ArenaRelease_Util(p12ctxt->arena, mark); |
| 1466 | return NULL((void*)0); |
| 1467 | } |
| 1468 | |
| 1469 | /********************************* |
| 1470 | * Encoding routines |
| 1471 | *********************************/ |
| 1472 | |
| 1473 | /* Clean up the resources allocated by a sec_PKCS12EncoderContext. */ |
| 1474 | static void |
| 1475 | sec_pkcs12_encoder_destroy_context(sec_PKCS12EncoderContext *p12enc) |
| 1476 | { |
| 1477 | if (p12enc) { |
| 1478 | if (p12enc->outerA1ecx) { |
| 1479 | SEC_ASN1EncoderFinishSEC_ASN1EncoderFinish_Util(p12enc->outerA1ecx); |
| 1480 | p12enc->outerA1ecx = NULL((void*)0); |
| 1481 | } |
| 1482 | if (p12enc->aSafeCinfo) { |
| 1483 | SEC_PKCS7DestroyContentInfo(p12enc->aSafeCinfo); |
| 1484 | p12enc->aSafeCinfo = NULL((void*)0); |
| 1485 | } |
| 1486 | if (p12enc->middleP7ecx) { |
| 1487 | SEC_PKCS7EncoderFinish(p12enc->middleP7ecx, p12enc->p12exp->pwfn, |
| 1488 | p12enc->p12exp->pwfnarg); |
| 1489 | p12enc->middleP7ecx = NULL((void*)0); |
| 1490 | } |
| 1491 | if (p12enc->middleA1ecx) { |
| 1492 | SEC_ASN1EncoderFinishSEC_ASN1EncoderFinish_Util(p12enc->middleA1ecx); |
| 1493 | p12enc->middleA1ecx = NULL((void*)0); |
| 1494 | } |
| 1495 | if (p12enc->hmacCx) { |
| 1496 | PK11_DestroyContext(p12enc->hmacCx, PR_TRUE1); |
| 1497 | p12enc->hmacCx = NULL((void*)0); |
| 1498 | } |
| 1499 | } |
| 1500 | } |
| 1501 | |
| 1502 | /* set up the encoder context based on information in the export context |
| 1503 | * and return the newly allocated enocoder context. A return of NULL |
| 1504 | * indicates an error occurred. |
| 1505 | */ |
| 1506 | static sec_PKCS12EncoderContext * |
| 1507 | sec_pkcs12_encoder_start_context(SEC_PKCS12ExportContext *p12exp) |
| 1508 | { |
| 1509 | sec_PKCS12EncoderContext *p12enc = NULL((void*)0); |
| 1510 | unsigned int i, nonEmptyCnt; |
| 1511 | SECStatus rv; |
| 1512 | SECItem ignore = { 0 }; |
| 1513 | void *mark; |
| 1514 | SECItem *salt = NULL((void*)0); |
| 1515 | SECItem *params = NULL((void*)0); |
| 1516 | |
| 1517 | if (!p12exp || !p12exp->safeInfos) { |
| 1518 | return NULL((void*)0); |
| 1519 | } |
| 1520 | |
| 1521 | /* check for any empty safes and skip them */ |
| 1522 | i = nonEmptyCnt = 0; |
| 1523 | while (p12exp->safeInfos[i]) { |
| 1524 | if (p12exp->safeInfos[i]->itemCount) { |
| 1525 | nonEmptyCnt++; |
| 1526 | } |
| 1527 | i++; |
| 1528 | } |
| 1529 | if (nonEmptyCnt == 0) { |
| 1530 | return NULL((void*)0); |
| 1531 | } |
| 1532 | p12exp->authSafe.encodedSafes[nonEmptyCnt] = NULL((void*)0); |
| 1533 | |
| 1534 | /* allocate the encoder context */ |
| 1535 | mark = PORT_ArenaMarkPORT_ArenaMark_Util(p12exp->arena); |
| 1536 | p12enc = PORT_ArenaZNew(p12exp->arena, sec_PKCS12EncoderContext)(sec_PKCS12EncoderContext *)PORT_ArenaZAlloc_Util(p12exp-> arena, sizeof(sec_PKCS12EncoderContext)); |
| 1537 | if (!p12enc) { |
| 1538 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 1539 | return NULL((void*)0); |
| 1540 | } |
| 1541 | |
| 1542 | p12enc->arena = p12exp->arena; |
| 1543 | p12enc->p12exp = p12exp; |
| 1544 | |
| 1545 | /* set up the PFX version and information */ |
| 1546 | PORT_Memsetmemset(&p12enc->pfx, 0, sizeof(sec_PKCS12PFXItem)); |
| 1547 | if (!SEC_ASN1EncodeIntegerSEC_ASN1EncodeInteger_Util(p12exp->arena, &(p12enc->pfx.version), |
| 1548 | SEC_PKCS12_VERSION3)) { |
| 1549 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 1550 | goto loser; |
| 1551 | } |
| 1552 | |
| 1553 | /* set up the authenticated safe content info based on the |
| 1554 | * type of integrity being used. this should be changed to |
| 1555 | * enforce integrity mode, but will not be implemented until |
| 1556 | * it is confirmed that integrity must be in place |
| 1557 | */ |
| 1558 | if (p12exp->integrityEnabled && !p12exp->pwdIntegrity) { |
| 1559 | /* create public key integrity mode */ |
| 1560 | p12enc->aSafeCinfo = SEC_PKCS7CreateSignedData( |
| 1561 | p12exp->integrityInfo.pubkeyInfo.cert, |
| 1562 | certUsageEmailSigner, |
| 1563 | p12exp->integrityInfo.pubkeyInfo.certDb, |
| 1564 | p12exp->integrityInfo.pubkeyInfo.algorithm, |
| 1565 | NULL((void*)0), |
| 1566 | p12exp->pwfn, |
| 1567 | p12exp->pwfnarg); |
| 1568 | if (!p12enc->aSafeCinfo) { |
| 1569 | goto loser; |
| 1570 | } |
| 1571 | if (SEC_PKCS7IncludeCertChain(p12enc->aSafeCinfo, NULL((void*)0)) != SECSuccess) { |
| 1572 | goto loser; |
| 1573 | } |
| 1574 | PORT_CheckSuccess(SEC_PKCS7AddSigningTime(p12enc->aSafeCinfo))(((SEC_PKCS7AddSigningTime(p12enc->aSafeCinfo)) == SECSuccess )?((void)0):PR_Assert("(SEC_PKCS7AddSigningTime(p12enc->aSafeCinfo)) == SECSuccess" ,"p12e.c",1574)); |
| 1575 | } else { |
| 1576 | p12enc->aSafeCinfo = SEC_PKCS7CreateData(); |
| 1577 | |
| 1578 | /* init password pased integrity mode */ |
| 1579 | if (p12exp->integrityEnabled) { |
| 1580 | SECItem pwd = { siBuffer, NULL((void*)0), 0 }; |
| 1581 | PK11SymKey *symKey; |
| 1582 | CK_MECHANISM_TYPE integrityMechType; |
| 1583 | CK_MECHANISM_TYPE hmacMechType; |
| 1584 | salt = sec_pkcs12_generate_salt(); |
| 1585 | |
| 1586 | /* zero out macData and set values */ |
| 1587 | PORT_Memsetmemset(&p12enc->mac, 0, sizeof(sec_PKCS12MacData)); |
| 1588 | |
| 1589 | if (!salt) { |
| 1590 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 1591 | goto loser; |
| 1592 | } |
| 1593 | if (SECITEM_CopyItemSECITEM_CopyItem_Util(p12exp->arena, &(p12enc->mac.macSalt), salt) != SECSuccess) { |
| 1594 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 1595 | goto loser; |
| 1596 | } |
| 1597 | if (!SEC_ASN1EncodeIntegerSEC_ASN1EncodeInteger_Util(p12exp->arena, &(p12enc->mac.iter), |
| 1598 | NSS_PBE_DEFAULT_ITERATION_COUNT)) { |
| 1599 | goto loser; |
| 1600 | } |
| 1601 | |
| 1602 | /* generate HMAC key */ |
| 1603 | if (!sec_pkcs12_convert_item_to_unicode(NULL((void*)0), &pwd, |
| 1604 | p12exp->integrityInfo.pwdInfo.password, PR_TRUE1, |
| 1605 | PR_TRUE1, PR_TRUE1)) { |
| 1606 | goto loser; |
| 1607 | } |
| 1608 | /* |
| 1609 | * This code only works with PKCS #12 Mac using PKCS #5 v1 |
| 1610 | * PBA keygens. PKCS #5 v2 support will require a change to |
| 1611 | * the PKCS #12 spec. |
| 1612 | */ |
| 1613 | params = PK11_CreatePBEParams(salt, &pwd, |
| 1614 | NSS_PBE_DEFAULT_ITERATION_COUNT); |
| 1615 | SECITEM_ZfreeItemSECITEM_ZfreeItem_Util(salt, PR_TRUE1); |
| 1616 | salt = NULL((void*)0); |
| 1617 | SECITEM_ZfreeItemSECITEM_ZfreeItem_Util(&pwd, PR_FALSE0); |
| 1618 | |
| 1619 | /* get the PBA Mechanism to generate the key */ |
| 1620 | integrityMechType = sec_pkcs12_algtag_to_keygen_mech( |
| 1621 | p12exp->integrityInfo.pwdInfo.algorithm); |
| 1622 | if (integrityMechType == CKM_INVALID_MECHANISM0xffffffffUL) { |
| 1623 | goto loser; |
| 1624 | } |
| 1625 | |
| 1626 | /* generate the key */ |
| 1627 | symKey = PK11_KeyGen(NULL((void*)0), integrityMechType, params, 20, NULL((void*)0)); |
| 1628 | PK11_DestroyPBEParams(params); |
| 1629 | if (!symKey) { |
| 1630 | goto loser; |
| 1631 | } |
| 1632 | |
| 1633 | /* initialize HMAC */ |
| 1634 | /* Get the HMAC mechanism from the hash OID */ |
| 1635 | hmacMechType = sec_pkcs12_algtag_to_mech( |
| 1636 | p12exp->integrityInfo.pwdInfo.algorithm); |
| 1637 | |
| 1638 | p12enc->hmacCx = PK11_CreateContextBySymKey(hmacMechType, |
| 1639 | CKA_SIGN0x00000108UL, symKey, &ignore); |
| 1640 | |
| 1641 | PK11_FreeSymKey(symKey); |
| 1642 | if (!p12enc->hmacCx) { |
| 1643 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 1644 | goto loser; |
| 1645 | } |
| 1646 | rv = PK11_DigestBegin(p12enc->hmacCx); |
| 1647 | if (rv != SECSuccess) |
| 1648 | goto loser; |
| 1649 | } |
| 1650 | } |
| 1651 | |
| 1652 | if (!p12enc->aSafeCinfo) { |
| 1653 | goto loser; |
| 1654 | } |
| 1655 | |
| 1656 | PORT_ArenaUnmarkPORT_ArenaUnmark_Util(p12exp->arena, mark); |
| 1657 | |
| 1658 | return p12enc; |
| 1659 | |
| 1660 | loser: |
| 1661 | sec_pkcs12_encoder_destroy_context(p12enc); |
| 1662 | if (p12exp->arena != NULL((void*)0)) |
| 1663 | PORT_ArenaReleasePORT_ArenaRelease_Util(p12exp->arena, mark); |
| 1664 | if (salt) { |
| 1665 | SECITEM_ZfreeItemSECITEM_ZfreeItem_Util(salt, PR_TRUE1); |
| 1666 | } |
| 1667 | if (params) { |
| 1668 | PK11_DestroyPBEParams(params); |
| 1669 | } |
| 1670 | |
| 1671 | return NULL((void*)0); |
| 1672 | } |
| 1673 | |
| 1674 | /* The outermost ASN.1 encoder calls this function for output. |
| 1675 | ** This function calls back to the library caller's output routine, |
| 1676 | ** which typically writes to a PKCS12 file. |
| 1677 | */ |
| 1678 | static void |
| 1679 | sec_P12A1OutputCB_Outer(void *arg, const char *buf, unsigned long len, |
| 1680 | int depth, SEC_ASN1EncodingPart data_kind) |
| 1681 | { |
| 1682 | struct sec_pkcs12_encoder_output *output; |
| 1683 | |
| 1684 | output = (struct sec_pkcs12_encoder_output *)arg; |
| 1685 | (*output->outputfn)(output->outputarg, buf, len); |
| 1686 | } |
| 1687 | |
| 1688 | /* The "middle" and "inner" ASN.1 encoders call this function to output. |
| 1689 | ** This function does HMACing, if appropriate, and then buffers the data. |
| 1690 | ** The buffered data is eventually passed down to the underlying PKCS7 encoder. |
| 1691 | */ |
| 1692 | static void |
| 1693 | sec_P12A1OutputCB_HmacP7Update(void *arg, const char *buf, |
| 1694 | unsigned long len, |
| 1695 | int depth, |
| 1696 | SEC_ASN1EncodingPart data_kind) |
| 1697 | { |
| 1698 | sec_pkcs12OutputBuffer *bufcx = (sec_pkcs12OutputBuffer *)arg; |
| 1699 | |
| 1700 | if (!buf || !len) |
| 1701 | return; |
| 1702 | |
| 1703 | if (bufcx->hmacCx) { |
| 1704 | PK11_DigestOp(bufcx->hmacCx, (unsigned char *)buf, len); |
| 1705 | } |
| 1706 | |
| 1707 | /* buffer */ |
| 1708 | if (bufcx->numBytes > 0) { |
| 1709 | int toCopy; |
| 1710 | if (len + bufcx->numBytes <= bufcx->bufBytes) { |
| 1711 | memcpy(bufcx->buf + bufcx->numBytes, buf, len); |
| 1712 | bufcx->numBytes += len; |
| 1713 | if (bufcx->numBytes < bufcx->bufBytes) |
| 1714 | return; |
| 1715 | SEC_PKCS7EncoderUpdate(bufcx->p7eCx, bufcx->buf, bufcx->bufBytes); |
| 1716 | bufcx->numBytes = 0; |
| 1717 | return; |
| 1718 | } |
| 1719 | toCopy = bufcx->bufBytes - bufcx->numBytes; |
| 1720 | memcpy(bufcx->buf + bufcx->numBytes, buf, toCopy); |
| 1721 | SEC_PKCS7EncoderUpdate(bufcx->p7eCx, bufcx->buf, bufcx->bufBytes); |
| 1722 | bufcx->numBytes = 0; |
| 1723 | len -= toCopy; |
| 1724 | buf += toCopy; |
| 1725 | } |
| 1726 | /* buffer is presently empty */ |
| 1727 | if (len >= bufcx->bufBytes) { |
| 1728 | /* Just pass it through */ |
| 1729 | SEC_PKCS7EncoderUpdate(bufcx->p7eCx, buf, len); |
| 1730 | } else { |
| 1731 | /* copy it all into the buffer, and return */ |
| 1732 | memcpy(bufcx->buf, buf, len); |
| 1733 | bufcx->numBytes = len; |
| 1734 | } |
| 1735 | } |
| 1736 | |
| 1737 | void |
| 1738 | sec_FlushPkcs12OutputBuffer(sec_pkcs12OutputBuffer *bufcx) |
| 1739 | { |
| 1740 | if (bufcx->numBytes > 0) { |
| 1741 | SEC_PKCS7EncoderUpdate(bufcx->p7eCx, bufcx->buf, bufcx->numBytes); |
| 1742 | bufcx->numBytes = 0; |
| 1743 | } |
| 1744 | } |
| 1745 | |
| 1746 | /* Feeds the output of a PKCS7 encoder into the next outward ASN.1 encoder. |
| 1747 | ** This function is used by both the inner and middle PCS7 encoders. |
| 1748 | */ |
| 1749 | static void |
| 1750 | sec_P12P7OutputCB_CallA1Update(void *arg, const char *buf, unsigned long len) |
| 1751 | { |
| 1752 | SEC_ASN1EncoderContext *cx = (SEC_ASN1EncoderContext *)arg; |
| 1753 | |
| 1754 | if (!buf || !len) |
| 1755 | return; |
| 1756 | |
| 1757 | SEC_ASN1EncoderUpdateSEC_ASN1EncoderUpdate_Util(cx, buf, len); |
| 1758 | } |
| 1759 | |
| 1760 | /* this function encodes content infos which are part of the |
| 1761 | * sequence of content infos labeled AuthenticatedSafes |
| 1762 | */ |
| 1763 | static SECStatus |
| 1764 | sec_pkcs12_encoder_asafe_process(sec_PKCS12EncoderContext *p12ecx) |
| 1765 | { |
| 1766 | SEC_PKCS7EncoderContext *innerP7ecx; |
| 1767 | SEC_PKCS7ContentInfo *cinfo; |
| 1768 | PK11SymKey *bulkKey = NULL((void*)0); |
| 1769 | SEC_ASN1EncoderContext *innerA1ecx = NULL((void*)0); |
| 1770 | SECStatus rv = SECSuccess; |
| 1771 | |
| 1772 | if (p12ecx->currentSafe < p12ecx->p12exp->authSafe.safeCount) { |
| 1773 | SEC_PKCS12SafeInfo *safeInfo; |
| 1774 | SECOidTag cinfoType; |
| 1775 | |
| 1776 | safeInfo = p12ecx->p12exp->safeInfos[p12ecx->currentSafe]; |
| 1777 | |
| 1778 | /* skip empty safes */ |
| 1779 | if (safeInfo->itemCount == 0) { |
| 1780 | return SECSuccess; |
| 1781 | } |
| 1782 | |
| 1783 | cinfo = safeInfo->cinfo; |
| 1784 | cinfoType = SEC_PKCS7ContentType(cinfo); |
| 1785 | |
| 1786 | /* determine the safe type and set the appropriate argument */ |
| 1787 | switch (cinfoType) { |
| 1788 | case SEC_OID_PKCS7_DATA: |
| 1789 | case SEC_OID_PKCS7_ENVELOPED_DATA: |
| 1790 | break; |
| 1791 | case SEC_OID_PKCS7_ENCRYPTED_DATA: |
| 1792 | bulkKey = safeInfo->encryptionKey; |
| 1793 | PK11_SetSymKeyUserData(bulkKey, &safeInfo->pwitem, NULL((void*)0)); |
| 1794 | break; |
| 1795 | default: |
| 1796 | return SECFailure; |
| 1797 | } |
| 1798 | |
| 1799 | /* start the PKCS7 encoder */ |
| 1800 | innerP7ecx = SEC_PKCS7EncoderStart(cinfo, |
| 1801 | sec_P12P7OutputCB_CallA1Update, |
| 1802 | p12ecx->middleA1ecx, bulkKey); |
| 1803 | if (!innerP7ecx) { |
| 1804 | goto loser; |
| 1805 | } |
| 1806 | |
| 1807 | /* encode safe contents */ |
| 1808 | p12ecx->innerBuf.p7eCx = innerP7ecx; |
| 1809 | p12ecx->innerBuf.hmacCx = NULL((void*)0); |
| 1810 | p12ecx->innerBuf.numBytes = 0; |
| 1811 | p12ecx->innerBuf.bufBytes = sizeof p12ecx->innerBuf.buf; |
| 1812 | |
| 1813 | innerA1ecx = SEC_ASN1EncoderStartSEC_ASN1EncoderStart_Util(safeInfo->safe, |
| 1814 | sec_PKCS12SafeContentsTemplate, |
| 1815 | sec_P12A1OutputCB_HmacP7Update, |
| 1816 | &p12ecx->innerBuf); |
| 1817 | if (!innerA1ecx) { |
| 1818 | goto loser; |
| 1819 | } |
| 1820 | rv = SEC_ASN1EncoderUpdateSEC_ASN1EncoderUpdate_Util(innerA1ecx, NULL((void*)0), 0); |
| 1821 | SEC_ASN1EncoderFinishSEC_ASN1EncoderFinish_Util(innerA1ecx); |
| 1822 | sec_FlushPkcs12OutputBuffer(&p12ecx->innerBuf); |
| 1823 | innerA1ecx = NULL((void*)0); |
| 1824 | if (rv != SECSuccess) { |
| 1825 | goto loser; |
| 1826 | } |
| 1827 | |
| 1828 | /* finish up safe content info */ |
| 1829 | rv = SEC_PKCS7EncoderFinish(innerP7ecx, p12ecx->p12exp->pwfn, |
Value stored to 'rv' is never read | |
| 1830 | p12ecx->p12exp->pwfnarg); |
| 1831 | } |
| 1832 | memset(&p12ecx->innerBuf, 0, sizeof p12ecx->innerBuf); |
| 1833 | return SECSuccess; |
| 1834 | |
| 1835 | loser: |
| 1836 | if (innerP7ecx) { |
| 1837 | SEC_PKCS7EncoderFinish(innerP7ecx, p12ecx->p12exp->pwfn, |
| 1838 | p12ecx->p12exp->pwfnarg); |
| 1839 | } |
| 1840 | |
| 1841 | if (innerA1ecx) { |
| 1842 | SEC_ASN1EncoderFinishSEC_ASN1EncoderFinish_Util(innerA1ecx); |
| 1843 | } |
| 1844 | memset(&p12ecx->innerBuf, 0, sizeof p12ecx->innerBuf); |
| 1845 | return SECFailure; |
| 1846 | } |
| 1847 | |
| 1848 | /* finish the HMAC and encode the macData so that it can be |
| 1849 | * encoded. |
| 1850 | */ |
| 1851 | static SECStatus |
| 1852 | sec_Pkcs12FinishMac(sec_PKCS12EncoderContext *p12ecx) |
| 1853 | { |
| 1854 | unsigned char hmacData[HASH_LENGTH_MAX64]; |
| 1855 | unsigned int hmacLen; |
| 1856 | SECStatus rv; |
| 1857 | SGNDigestInfo *di = NULL((void*)0); |
| 1858 | void *dummy; |
| 1859 | |
| 1860 | if (!p12ecx) { |
| 1861 | return SECFailure; |
| 1862 | } |
| 1863 | |
| 1864 | /* make sure we are using password integrity mode */ |
| 1865 | if (!p12ecx->p12exp->integrityEnabled) { |
| 1866 | return SECSuccess; |
| 1867 | } |
| 1868 | |
| 1869 | if (!p12ecx->p12exp->pwdIntegrity) { |
| 1870 | return SECSuccess; |
| 1871 | } |
| 1872 | |
| 1873 | /* finish the hmac */ |
| 1874 | |
| 1875 | rv = PK11_DigestFinal(p12ecx->hmacCx, hmacData, &hmacLen, HASH_LENGTH_MAX64); |
| 1876 | |
| 1877 | if (rv != SECSuccess) { |
| 1878 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 1879 | goto loser; |
| 1880 | } |
| 1881 | |
| 1882 | /* create the digest info */ |
| 1883 | di = SGN_CreateDigestInfoSGN_CreateDigestInfo_Util(p12ecx->p12exp->integrityInfo.pwdInfo.algorithm, |
| 1884 | hmacData, hmacLen); |
| 1885 | if (!di) { |
| 1886 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 1887 | rv = SECFailure; |
| 1888 | goto loser; |
| 1889 | } |
| 1890 | |
| 1891 | rv = SGN_CopyDigestInfoSGN_CopyDigestInfo_Util(p12ecx->arena, &p12ecx->mac.safeMac, di); |
| 1892 | if (rv != SECSuccess) { |
| 1893 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 1894 | goto loser; |
| 1895 | } |
| 1896 | |
| 1897 | /* encode the mac data */ |
| 1898 | dummy = SEC_ASN1EncodeItemSEC_ASN1EncodeItem_Util(p12ecx->arena, &p12ecx->pfx.encodedMacData, |
| 1899 | &p12ecx->mac, sec_PKCS12MacDataTemplate); |
| 1900 | if (!dummy) { |
| 1901 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 1902 | rv = SECFailure; |
| 1903 | } |
| 1904 | |
| 1905 | loser: |
| 1906 | if (di) { |
| 1907 | SGN_DestroyDigestInfoSGN_DestroyDigestInfo_Util(di); |
| 1908 | } |
| 1909 | PK11_DestroyContext(p12ecx->hmacCx, PR_TRUE1); |
| 1910 | p12ecx->hmacCx = NULL((void*)0); |
| 1911 | PORT_Memsetmemset(hmacData, 0, hmacLen); |
| 1912 | |
| 1913 | return rv; |
| 1914 | } |
| 1915 | |
| 1916 | /* pfx notify function for ASN1 encoder. |
| 1917 | * We want to stop encoding once we reach the authenticated safe. |
| 1918 | * At that point, the encoder will be updated via streaming |
| 1919 | * as the authenticated safe is encoded. |
| 1920 | */ |
| 1921 | static void |
| 1922 | sec_pkcs12_encoder_pfx_notify(void *arg, PRBool before, void *dest, int real_depth) |
| 1923 | { |
| 1924 | sec_PKCS12EncoderContext *p12ecx; |
| 1925 | |
| 1926 | if (!before) { |
| 1927 | return; |
| 1928 | } |
| 1929 | |
| 1930 | /* look for authenticated safe */ |
| 1931 | p12ecx = (sec_PKCS12EncoderContext *)arg; |
| 1932 | if (dest != &p12ecx->pfx.encodedAuthSafe) { |
| 1933 | return; |
| 1934 | } |
| 1935 | |
| 1936 | SEC_ASN1EncoderSetTakeFromBufSEC_ASN1EncoderSetTakeFromBuf_Util(p12ecx->outerA1ecx); |
| 1937 | SEC_ASN1EncoderSetStreamingSEC_ASN1EncoderSetStreaming_Util(p12ecx->outerA1ecx); |
| 1938 | SEC_ASN1EncoderClearNotifyProcSEC_ASN1EncoderClearNotifyProc_Util(p12ecx->outerA1ecx); |
| 1939 | } |
| 1940 | |
| 1941 | /* SEC_PKCS12Encode |
| 1942 | * Encodes the PFX item and returns it to the output function, via |
| 1943 | * callback. the output function must be capable of multiple updates. |
| 1944 | * |
| 1945 | * p12exp - the export context |
| 1946 | * output - the output function callback, will be called more than once, |
| 1947 | * must be able to accept streaming data. |
| 1948 | * outputarg - argument for the output callback. |
| 1949 | */ |
| 1950 | SECStatus |
| 1951 | SEC_PKCS12Encode(SEC_PKCS12ExportContext *p12exp, |
| 1952 | SEC_PKCS12EncoderOutputCallback output, void *outputarg) |
| 1953 | { |
| 1954 | sec_PKCS12EncoderContext *p12enc; |
| 1955 | struct sec_pkcs12_encoder_output outInfo; |
| 1956 | SECStatus rv; |
| 1957 | |
| 1958 | if (!p12exp || !output) { |
| 1959 | return SECFailure; |
| 1960 | } |
| 1961 | |
| 1962 | /* get the encoder context */ |
| 1963 | p12enc = sec_pkcs12_encoder_start_context(p12exp); |
| 1964 | if (!p12enc) { |
| 1965 | return SECFailure; |
| 1966 | } |
| 1967 | |
| 1968 | outInfo.outputfn = output; |
| 1969 | outInfo.outputarg = outputarg; |
| 1970 | |
| 1971 | /* set up PFX encoder, the "outer" encoder. Set it for streaming */ |
| 1972 | p12enc->outerA1ecx = SEC_ASN1EncoderStartSEC_ASN1EncoderStart_Util(&p12enc->pfx, |
| 1973 | sec_PKCS12PFXItemTemplate, |
| 1974 | sec_P12A1OutputCB_Outer, |
| 1975 | &outInfo); |
| 1976 | if (!p12enc->outerA1ecx) { |
| 1977 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 1978 | rv = SECFailure; |
| 1979 | goto loser; |
| 1980 | } |
| 1981 | SEC_ASN1EncoderSetStreamingSEC_ASN1EncoderSetStreaming_Util(p12enc->outerA1ecx); |
| 1982 | SEC_ASN1EncoderSetNotifyProcSEC_ASN1EncoderSetNotifyProc_Util(p12enc->outerA1ecx, |
| 1983 | sec_pkcs12_encoder_pfx_notify, p12enc); |
| 1984 | rv = SEC_ASN1EncoderUpdateSEC_ASN1EncoderUpdate_Util(p12enc->outerA1ecx, NULL((void*)0), 0); |
| 1985 | if (rv != SECSuccess) { |
| 1986 | rv = SECFailure; |
| 1987 | goto loser; |
| 1988 | } |
| 1989 | |
| 1990 | /* set up asafe cinfo - the output of the encoder feeds the PFX encoder */ |
| 1991 | p12enc->middleP7ecx = SEC_PKCS7EncoderStart(p12enc->aSafeCinfo, |
| 1992 | sec_P12P7OutputCB_CallA1Update, |
| 1993 | p12enc->outerA1ecx, NULL((void*)0)); |
| 1994 | if (!p12enc->middleP7ecx) { |
| 1995 | rv = SECFailure; |
| 1996 | goto loser; |
| 1997 | } |
| 1998 | |
| 1999 | /* encode asafe */ |
| 2000 | p12enc->middleBuf.p7eCx = p12enc->middleP7ecx; |
| 2001 | p12enc->middleBuf.hmacCx = NULL((void*)0); |
| 2002 | p12enc->middleBuf.numBytes = 0; |
| 2003 | p12enc->middleBuf.bufBytes = sizeof p12enc->middleBuf.buf; |
| 2004 | |
| 2005 | /* Setup the "inner ASN.1 encoder for Authenticated Safes. */ |
| 2006 | if (p12enc->p12exp->integrityEnabled && |
| 2007 | p12enc->p12exp->pwdIntegrity) { |
| 2008 | p12enc->middleBuf.hmacCx = p12enc->hmacCx; |
| 2009 | } |
| 2010 | p12enc->middleA1ecx = SEC_ASN1EncoderStartSEC_ASN1EncoderStart_Util(&p12enc->p12exp->authSafe, |
| 2011 | sec_PKCS12AuthenticatedSafeTemplate, |
| 2012 | sec_P12A1OutputCB_HmacP7Update, |
| 2013 | &p12enc->middleBuf); |
| 2014 | if (!p12enc->middleA1ecx) { |
| 2015 | rv = SECFailure; |
| 2016 | goto loser; |
| 2017 | } |
| 2018 | SEC_ASN1EncoderSetStreamingSEC_ASN1EncoderSetStreaming_Util(p12enc->middleA1ecx); |
| 2019 | SEC_ASN1EncoderSetTakeFromBufSEC_ASN1EncoderSetTakeFromBuf_Util(p12enc->middleA1ecx); |
| 2020 | |
| 2021 | /* encode each of the safes */ |
| 2022 | while (p12enc->currentSafe != p12enc->p12exp->safeInfoCount) { |
| 2023 | sec_pkcs12_encoder_asafe_process(p12enc); |
| 2024 | p12enc->currentSafe++; |
| 2025 | } |
| 2026 | SEC_ASN1EncoderClearTakeFromBufSEC_ASN1EncoderClearTakeFromBuf_Util(p12enc->middleA1ecx); |
| 2027 | SEC_ASN1EncoderClearStreamingSEC_ASN1EncoderClearStreaming_Util(p12enc->middleA1ecx); |
| 2028 | SEC_ASN1EncoderUpdateSEC_ASN1EncoderUpdate_Util(p12enc->middleA1ecx, NULL((void*)0), 0); |
| 2029 | SEC_ASN1EncoderFinishSEC_ASN1EncoderFinish_Util(p12enc->middleA1ecx); |
| 2030 | p12enc->middleA1ecx = NULL((void*)0); |
| 2031 | |
| 2032 | sec_FlushPkcs12OutputBuffer(&p12enc->middleBuf); |
| 2033 | |
| 2034 | /* finish the encoding of the authenticated safes */ |
| 2035 | rv = SEC_PKCS7EncoderFinish(p12enc->middleP7ecx, p12exp->pwfn, |
| 2036 | p12exp->pwfnarg); |
| 2037 | p12enc->middleP7ecx = NULL((void*)0); |
| 2038 | if (rv != SECSuccess) { |
| 2039 | goto loser; |
| 2040 | } |
| 2041 | |
| 2042 | SEC_ASN1EncoderClearTakeFromBufSEC_ASN1EncoderClearTakeFromBuf_Util(p12enc->outerA1ecx); |
| 2043 | SEC_ASN1EncoderClearStreamingSEC_ASN1EncoderClearStreaming_Util(p12enc->outerA1ecx); |
| 2044 | |
| 2045 | /* update the mac, if necessary */ |
| 2046 | rv = sec_Pkcs12FinishMac(p12enc); |
| 2047 | if (rv != SECSuccess) { |
| 2048 | goto loser; |
| 2049 | } |
| 2050 | |
| 2051 | /* finish encoding the pfx */ |
| 2052 | rv = SEC_ASN1EncoderUpdateSEC_ASN1EncoderUpdate_Util(p12enc->outerA1ecx, NULL((void*)0), 0); |
| 2053 | |
| 2054 | SEC_ASN1EncoderFinishSEC_ASN1EncoderFinish_Util(p12enc->outerA1ecx); |
| 2055 | p12enc->outerA1ecx = NULL((void*)0); |
| 2056 | |
| 2057 | loser: |
| 2058 | sec_pkcs12_encoder_destroy_context(p12enc); |
| 2059 | return rv; |
| 2060 | } |
| 2061 | |
| 2062 | void |
| 2063 | SEC_PKCS12DestroyExportContext(SEC_PKCS12ExportContext *p12ecx) |
| 2064 | { |
| 2065 | int i = 0; |
| 2066 | |
| 2067 | if (!p12ecx) { |
| 2068 | return; |
| 2069 | } |
| 2070 | |
| 2071 | if (p12ecx->safeInfos) { |
| 2072 | i = 0; |
| 2073 | while (p12ecx->safeInfos[i] != NULL((void*)0)) { |
| 2074 | if (p12ecx->safeInfos[i]->encryptionKey) { |
| 2075 | PK11_FreeSymKey(p12ecx->safeInfos[i]->encryptionKey); |
| 2076 | } |
| 2077 | if (p12ecx->safeInfos[i]->cinfo) { |
| 2078 | SEC_PKCS7DestroyContentInfo(p12ecx->safeInfos[i]->cinfo); |
| 2079 | } |
| 2080 | i++; |
| 2081 | } |
| 2082 | } |
| 2083 | |
| 2084 | PK11_FreeSlot(p12ecx->slot); |
| 2085 | |
| 2086 | PORT_FreeArenaPORT_FreeArena_Util(p12ecx->arena, PR_TRUE1); |
| 2087 | } |