| File: | root/firefox-clang/security/nss/lib/pkcs12/p12d.c |
| Warning: | line 2358, column 9 Value stored to 'setNickname' is never read |
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| 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 "nssrenam.h" |
| 6 | #include "nss.h" |
| 7 | #include "p12t.h" |
| 8 | #include "p12.h" |
| 9 | #include "plarena.h" |
| 10 | #include "secitem.h" |
| 11 | #include "secoid.h" |
| 12 | #include "seccomon.h" |
| 13 | #include "secport.h" |
| 14 | #include "cert.h" |
| 15 | #include "secpkcs7.h" |
| 16 | #include "secasn1.h" |
| 17 | #include "secerr.h" |
| 18 | #include "pk11func.h" |
| 19 | #include "p12plcy.h" |
| 20 | #include "p12local.h" |
| 21 | #include "secder.h" |
| 22 | #include "secport.h" |
| 23 | |
| 24 | #include "certdb.h" |
| 25 | |
| 26 | #include "prcpucfg.h" |
| 27 | |
| 28 | /* This belongs in secport.h */ |
| 29 | #define PORT_ArenaGrowArray(poolp, oldptr, type, oldnum, newnum)(type *)PORT_ArenaGrow_Util((poolp), (oldptr), (oldnum) * sizeof (type), (newnum) * sizeof(type)) \ |
| 30 | (type *)PORT_ArenaGrowPORT_ArenaGrow_Util((poolp), (oldptr), \ |
| 31 | (oldnum) * sizeof(type), (newnum) * sizeof(type)) |
| 32 | |
| 33 | typedef struct sec_PKCS12SafeContentsContextStr sec_PKCS12SafeContentsContext; |
| 34 | |
| 35 | /* Opaque structure for decoding SafeContents. These are used |
| 36 | * for each authenticated safe as well as any nested safe contents. |
| 37 | */ |
| 38 | struct sec_PKCS12SafeContentsContextStr { |
| 39 | /* the parent decoder context */ |
| 40 | SEC_PKCS12DecoderContext *p12dcx; |
| 41 | |
| 42 | /* memory arena to allocate space from */ |
| 43 | PLArenaPool *arena; |
| 44 | |
| 45 | /* decoder context and destination for decoding safe contents */ |
| 46 | SEC_ASN1DecoderContext *safeContentsA1Dcx; |
| 47 | sec_PKCS12SafeContents safeContents; |
| 48 | |
| 49 | /* information for decoding safe bags within the safe contents. |
| 50 | * these variables are updated for each safe bag decoded. |
| 51 | */ |
| 52 | SEC_ASN1DecoderContext *currentSafeBagA1Dcx; |
| 53 | sec_PKCS12SafeBag *currentSafeBag; |
| 54 | PRBool skipCurrentSafeBag; |
| 55 | |
| 56 | /* if the safe contents is nested, the parent is pointed to here. */ |
| 57 | sec_PKCS12SafeContentsContext *nestedSafeContentsCtx; |
| 58 | |
| 59 | /* nesting depth of this safe contents; the top-level authenticatedSafe |
| 60 | * is 0 and each nested safeContents increments it. |
| 61 | */ |
| 62 | unsigned int nestingDepth; |
| 63 | }; |
| 64 | |
| 65 | /* opaque decoder context structure. information for decoding a pkcs 12 |
| 66 | * PDU are stored here as well as decoding pointers for intermediary |
| 67 | * structures which are part of the PKCS 12 PDU. Upon a successful |
| 68 | * decode, the safe bags containing certificates and keys encountered. |
| 69 | */ |
| 70 | struct SEC_PKCS12DecoderContextStr { |
| 71 | PLArenaPool *arena; |
| 72 | PK11SlotInfo *slot; |
| 73 | void *wincx; |
| 74 | PRBool error; |
| 75 | int errorValue; |
| 76 | |
| 77 | /* password */ |
| 78 | SECItem *pwitem; |
| 79 | |
| 80 | /* used for decoding the PFX structure */ |
| 81 | SEC_ASN1DecoderContext *pfxA1Dcx; |
| 82 | sec_PKCS12PFXItem pfx; |
| 83 | |
| 84 | /* safe bags found during decoding */ |
| 85 | sec_PKCS12SafeBag **safeBags; |
| 86 | unsigned int safeBagCount; |
| 87 | |
| 88 | /* state variables for decoding authenticated safes. */ |
| 89 | SEC_PKCS7DecoderContext *currentASafeP7Dcx; |
| 90 | SEC_ASN1DecoderContext *aSafeA1Dcx; |
| 91 | SEC_PKCS7DecoderContext *aSafeP7Dcx; |
| 92 | SEC_PKCS7ContentInfo *aSafeCinfo; |
| 93 | sec_PKCS12AuthenticatedSafe authSafe; |
| 94 | sec_PKCS12SafeContents safeContents; |
| 95 | |
| 96 | /* safe contents info */ |
| 97 | unsigned int safeContentsCnt; |
| 98 | sec_PKCS12SafeContentsContext **safeContentsList; |
| 99 | |
| 100 | /* HMAC info */ |
| 101 | sec_PKCS12MacData macData; |
| 102 | |
| 103 | /* routines for reading back the data to be hmac'd */ |
| 104 | /* They are called as follows. |
| 105 | * |
| 106 | * Stage 1: decode the aSafes cinfo into a buffer in dArg, |
| 107 | * which p12d.c sometimes refers to as the "temp file". |
| 108 | * This occurs during SEC_PKCS12DecoderUpdate calls. |
| 109 | * |
| 110 | * dOpen(dArg, PR_FALSE) |
| 111 | * dWrite(dArg, buf, len) |
| 112 | * ... |
| 113 | * dWrite(dArg, buf, len) |
| 114 | * dClose(dArg, PR_FALSE) |
| 115 | * |
| 116 | * Stage 2: verify MAC |
| 117 | * This occurs SEC_PKCS12DecoderVerify. |
| 118 | * |
| 119 | * dOpen(dArg, PR_TRUE) |
| 120 | * dRead(dArg, buf, IN_BUF_LEN) |
| 121 | * ... |
| 122 | * dRead(dArg, buf, IN_BUF_LEN) |
| 123 | * dClose(dArg, PR_TRUE) |
| 124 | */ |
| 125 | digestOpenFn dOpen; |
| 126 | digestCloseFn dClose; |
| 127 | digestIOFn dRead, dWrite; |
| 128 | void *dArg; |
| 129 | PRBool dIsOpen; /* is the temp file created? */ |
| 130 | |
| 131 | /* helper functions */ |
| 132 | SECKEYGetPasswordKey pwfn; |
| 133 | void *pwfnarg; |
| 134 | PRBool swapUnicodeBytes; |
| 135 | PRBool forceUnicode; |
| 136 | |
| 137 | /* import information */ |
| 138 | PRBool bagsVerified; |
| 139 | |
| 140 | /* buffer management for the default callbacks implementation */ |
| 141 | void *buffer; /* storage area */ |
| 142 | PRInt32 filesize; /* actual data size */ |
| 143 | PRInt32 allocated; /* total buffer size allocated */ |
| 144 | PRInt32 currentpos; /* position counter */ |
| 145 | SECPKCS12TargetTokenCAs tokenCAs; |
| 146 | sec_PKCS12SafeBag **keyList; /* used by ...IterateNext() */ |
| 147 | unsigned int iteration; |
| 148 | SEC_PKCS12DecoderItem decitem; |
| 149 | |
| 150 | /* limits applied to every decoder context created while decoding this |
| 151 | * PFX; each is only used once the caller has set it */ |
| 152 | unsigned long maxInputSize; |
| 153 | PRBool maxInputSizeSet; |
| 154 | unsigned long maxElementLen; |
| 155 | PRBool maxElementLenSet; |
| 156 | }; |
| 157 | |
| 158 | /* apply the caller's limits to an inner ASN.1 decoder context. The content |
| 159 | * an inner decoder sees is a substring of what was fed to the PFX decoder, |
| 160 | * so the caller's limits can be passed down unchanged. */ |
| 161 | static void |
| 162 | sec_pkcs12_decoder_set_limits(SEC_PKCS12DecoderContext *p12dcx, |
| 163 | SEC_ASN1DecoderContext *a1dcx) |
| 164 | { |
| 165 | if (p12dcx->maxInputSizeSet) { |
| 166 | SEC_ASN1DecoderSetMaximumInputSize(a1dcx, p12dcx->maxInputSize); |
| 167 | } |
| 168 | if (p12dcx->maxElementLenSet) { |
| 169 | SEC_ASN1DecoderSetMaximumElementSize(a1dcx, p12dcx->maxElementLen); |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | /* apply the caller's limits to an inner PKCS#7 decoder context */ |
| 174 | static void |
| 175 | sec_pkcs12_decoder_set_p7_limits(SEC_PKCS12DecoderContext *p12dcx, |
| 176 | SEC_PKCS7DecoderContext *p7dcx) |
| 177 | { |
| 178 | if (p12dcx->maxInputSizeSet) { |
| 179 | SEC_PKCS7DecoderSetMaxInputSize(p7dcx, p12dcx->maxInputSize); |
| 180 | } |
| 181 | if (p12dcx->maxElementLenSet) { |
| 182 | SEC_PKCS7DecoderSetMaxElementLen(p7dcx, p12dcx->maxElementLen); |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | /* forward declarations of functions that are used when decoding |
| 187 | * safeContents bags which are nested and when decoding the |
| 188 | * authenticatedSafes. |
| 189 | */ |
| 190 | static SECStatus |
| 191 | sec_pkcs12_decoder_begin_nested_safe_contents(sec_PKCS12SafeContentsContext |
| 192 | *safeContentsCtx); |
| 193 | static SECStatus |
| 194 | sec_pkcs12_decoder_finish_nested_safe_contents(sec_PKCS12SafeContentsContext |
| 195 | *safeContentsCtx); |
| 196 | |
| 197 | /* make sure that the PFX version being decoded is a version |
| 198 | * which we support. |
| 199 | */ |
| 200 | static PRBool |
| 201 | sec_pkcs12_proper_version(sec_PKCS12PFXItem *pfx) |
| 202 | { |
| 203 | /* if no version, assume it is not supported */ |
| 204 | if (pfx->version.len == 0) { |
| 205 | return PR_FALSE0; |
| 206 | } |
| 207 | |
| 208 | if (DER_GetIntegerDER_GetInteger_Util(&pfx->version) > SEC_PKCS12_VERSION3) { |
| 209 | return PR_FALSE0; |
| 210 | } |
| 211 | |
| 212 | return PR_TRUE1; |
| 213 | } |
| 214 | |
| 215 | /* retrieve the key for decrypting the safe contents */ |
| 216 | static PK11SymKey * |
| 217 | sec_pkcs12_decoder_get_decrypt_key(void *arg, SECAlgorithmID *algid) |
| 218 | { |
| 219 | SEC_PKCS12DecoderContext *p12dcx = (SEC_PKCS12DecoderContext *)arg; |
| 220 | PK11SlotInfo *slot; |
| 221 | PK11SymKey *bulkKey; |
| 222 | SECItem pwitem = { 0 }; |
| 223 | SECOidTag algorithm; |
| 224 | |
| 225 | if (!p12dcx) { |
| 226 | return NULL((void*)0); |
| 227 | } |
| 228 | |
| 229 | /* if no slot specified, use the internal key slot */ |
| 230 | if (p12dcx->slot) { |
| 231 | slot = PK11_ReferenceSlot(p12dcx->slot); |
| 232 | } else { |
| 233 | slot = PK11_GetInternalKeySlot(); |
| 234 | } |
| 235 | |
| 236 | algorithm = SECOID_GetAlgorithmTagSECOID_GetAlgorithmTag_Util(algid); |
| 237 | |
| 238 | if (p12dcx->forceUnicode) { |
| 239 | if (SECITEM_CopyItemSECITEM_CopyItem_Util(NULL((void*)0), &pwitem, p12dcx->pwitem) != SECSuccess) { |
| 240 | PK11_FreeSlot(slot); |
| 241 | return NULL((void*)0); |
| 242 | } |
| 243 | } else { |
| 244 | if (!sec_pkcs12_decode_password(NULL((void*)0), &pwitem, algorithm, p12dcx->pwitem)) { |
| 245 | PK11_FreeSlot(slot); |
| 246 | return NULL((void*)0); |
| 247 | } |
| 248 | } |
| 249 | |
| 250 | bulkKey = PK11_PBEKeyGen(slot, algid, &pwitem, PR_FALSE0, p12dcx->wincx); |
| 251 | /* some tokens can't generate PBE keys on their own, generate the |
| 252 | * key in the internal slot, and let the Import code deal with it, |
| 253 | * (if the slot can't generate PBEs, then we need to use the internal |
| 254 | * slot anyway to unwrap). */ |
| 255 | if (!bulkKey && !PK11_IsInternal(slot)) { |
| 256 | PK11_FreeSlot(slot); |
| 257 | slot = PK11_GetInternalKeySlot(); |
| 258 | bulkKey = PK11_PBEKeyGen(slot, algid, &pwitem, PR_FALSE0, p12dcx->wincx); |
| 259 | } |
| 260 | PK11_FreeSlot(slot); |
| 261 | |
| 262 | /* set the password data on the key */ |
| 263 | if (bulkKey) { |
| 264 | PK11_SetSymKeyUserData(bulkKey, p12dcx->pwitem, NULL((void*)0)); |
| 265 | } |
| 266 | |
| 267 | if (pwitem.data) { |
| 268 | SECITEM_ZfreeItemSECITEM_ZfreeItem_Util(&pwitem, PR_FALSE0); |
| 269 | } |
| 270 | |
| 271 | return bulkKey; |
| 272 | } |
| 273 | |
| 274 | /* XXX this needs to be modified to handle enveloped data. most |
| 275 | * likely, it should mirror the routines for SMIME in that regard. |
| 276 | */ |
| 277 | static PRBool |
| 278 | sec_pkcs12_decoder_decryption_allowed(SECAlgorithmID *algid, |
| 279 | PK11SymKey *bulkkey) |
| 280 | { |
| 281 | PRBool decryptionAllowed = SEC_PKCS12DecryptionAllowed(algid); |
| 282 | |
| 283 | if (!decryptionAllowed) { |
| 284 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_BAD_EXPORT_ALGORITHM); |
| 285 | return PR_FALSE0; |
| 286 | } |
| 287 | |
| 288 | return PR_TRUE1; |
| 289 | } |
| 290 | |
| 291 | /* when we encounter a new safe bag during the decoding, we need |
| 292 | * to allocate space for the bag to be decoded to and set the |
| 293 | * state variables appropriately. all of the safe bags are allocated |
| 294 | * in a buffer in the outer SEC_PKCS12DecoderContext, however, |
| 295 | * a pointer to the safeBag is also used in the sec_PKCS12SafeContentsContext |
| 296 | * for the current bag. |
| 297 | */ |
| 298 | static SECStatus |
| 299 | sec_pkcs12_decoder_init_new_safe_bag(sec_PKCS12SafeContentsContext |
| 300 | *safeContentsCtx) |
| 301 | { |
| 302 | void *mark = NULL((void*)0); |
| 303 | SEC_PKCS12DecoderContext *p12dcx; |
| 304 | |
| 305 | /* make sure that the structures are defined, and there has |
| 306 | * not been an error in the decoding |
| 307 | */ |
| 308 | if (!safeContentsCtx || !safeContentsCtx->p12dcx || safeContentsCtx->p12dcx->error) { |
| 309 | return SECFailure; |
| 310 | } |
| 311 | |
| 312 | p12dcx = safeContentsCtx->p12dcx; |
| 313 | mark = PORT_ArenaMarkPORT_ArenaMark_Util(p12dcx->arena); |
| 314 | |
| 315 | /* allocate a new safe bag, if bags already exist, grow the |
| 316 | * list of bags, otherwise allocate a new list. the list is |
| 317 | * NULL terminated. |
| 318 | */ |
| 319 | p12dcx->safeBags = (!p12dcx->safeBagCount) |
| 320 | ? PORT_ArenaZNewArray(p12dcx->arena, sec_PKCS12SafeBag *, 2)(sec_PKCS12SafeBag * *)PORT_ArenaZAlloc_Util(p12dcx->arena , sizeof(sec_PKCS12SafeBag *) * (2)) |
| 321 | : PORT_ArenaGrowArray(p12dcx->arena, p12dcx->safeBags,(sec_PKCS12SafeBag * *)PORT_ArenaGrow_Util((p12dcx->arena) , (p12dcx->safeBags), (p12dcx->safeBagCount + 1) * sizeof (sec_PKCS12SafeBag *), (p12dcx->safeBagCount + 2) * sizeof (sec_PKCS12SafeBag *)) |
| 322 | sec_PKCS12SafeBag *, p12dcx->safeBagCount + 1,(sec_PKCS12SafeBag * *)PORT_ArenaGrow_Util((p12dcx->arena) , (p12dcx->safeBags), (p12dcx->safeBagCount + 1) * sizeof (sec_PKCS12SafeBag *), (p12dcx->safeBagCount + 2) * sizeof (sec_PKCS12SafeBag *)) |
| 323 | p12dcx->safeBagCount + 2)(sec_PKCS12SafeBag * *)PORT_ArenaGrow_Util((p12dcx->arena) , (p12dcx->safeBags), (p12dcx->safeBagCount + 1) * sizeof (sec_PKCS12SafeBag *), (p12dcx->safeBagCount + 2) * sizeof (sec_PKCS12SafeBag *)); |
| 324 | |
| 325 | if (!p12dcx->safeBags) { |
| 326 | p12dcx->errorValue = PORT_GetErrorPORT_GetError_Util(); |
| 327 | goto loser; |
| 328 | } |
| 329 | |
| 330 | /* append the bag to the end of the list and update the reference |
| 331 | * in the safeContentsCtx. |
| 332 | */ |
| 333 | p12dcx->safeBags[p12dcx->safeBagCount] = |
| 334 | safeContentsCtx->currentSafeBag = |
| 335 | PORT_ArenaZNew(p12dcx->arena, sec_PKCS12SafeBag)(sec_PKCS12SafeBag *)PORT_ArenaZAlloc_Util(p12dcx->arena, sizeof (sec_PKCS12SafeBag)); |
| 336 | if (!safeContentsCtx->currentSafeBag) { |
| 337 | p12dcx->errorValue = PORT_GetErrorPORT_GetError_Util(); |
| 338 | goto loser; |
| 339 | } |
| 340 | p12dcx->safeBags[++p12dcx->safeBagCount] = NULL((void*)0); |
| 341 | |
| 342 | safeContentsCtx->currentSafeBag->slot = safeContentsCtx->p12dcx->slot; |
| 343 | safeContentsCtx->currentSafeBag->pwitem = safeContentsCtx->p12dcx->pwitem; |
| 344 | safeContentsCtx->currentSafeBag->swapUnicodeBytes = |
| 345 | safeContentsCtx->p12dcx->swapUnicodeBytes; |
| 346 | safeContentsCtx->currentSafeBag->arena = safeContentsCtx->p12dcx->arena; |
| 347 | safeContentsCtx->currentSafeBag->tokenCAs = |
| 348 | safeContentsCtx->p12dcx->tokenCAs; |
| 349 | |
| 350 | PORT_ArenaUnmarkPORT_ArenaUnmark_Util(p12dcx->arena, mark); |
| 351 | return SECSuccess; |
| 352 | |
| 353 | loser: |
| 354 | |
| 355 | /* if an error occurred, release the memory and set the error flag |
| 356 | * the only possible errors triggered by this function are memory |
| 357 | * related. |
| 358 | */ |
| 359 | if (mark) { |
| 360 | PORT_ArenaReleasePORT_ArenaRelease_Util(p12dcx->arena, mark); |
| 361 | } |
| 362 | |
| 363 | p12dcx->error = PR_TRUE1; |
| 364 | return SECFailure; |
| 365 | } |
| 366 | |
| 367 | /* A wrapper for updating the ASN1 context in which a safeBag is |
| 368 | * being decoded. This function is called as a callback from |
| 369 | * secasn1d when decoding SafeContents structures. |
| 370 | */ |
| 371 | static void |
| 372 | sec_pkcs12_decoder_safe_bag_update(void *arg, const char *data, |
| 373 | unsigned long len, int depth, |
| 374 | SEC_ASN1EncodingPart data_kind) |
| 375 | { |
| 376 | sec_PKCS12SafeContentsContext *safeContentsCtx = |
| 377 | (sec_PKCS12SafeContentsContext *)arg; |
| 378 | SEC_PKCS12DecoderContext *p12dcx; |
| 379 | SECStatus rv; |
| 380 | |
| 381 | if (!safeContentsCtx || !safeContentsCtx->p12dcx || !safeContentsCtx->currentSafeBagA1Dcx) { |
| 382 | return; |
| 383 | } |
| 384 | p12dcx = safeContentsCtx->p12dcx; |
| 385 | |
| 386 | /* make sure that there are no errors and we are not skipping the current safeBag */ |
| 387 | if (p12dcx->error || safeContentsCtx->skipCurrentSafeBag) { |
| 388 | goto loser; |
| 389 | } |
| 390 | |
| 391 | rv = SEC_ASN1DecoderUpdateSEC_ASN1DecoderUpdate_Util(safeContentsCtx->currentSafeBagA1Dcx, data, len); |
| 392 | if (rv != SECSuccess) { |
| 393 | p12dcx->errorValue = PORT_GetErrorPORT_GetError_Util(); |
| 394 | p12dcx->error = PR_TRUE1; |
| 395 | goto loser; |
| 396 | } |
| 397 | |
| 398 | /* The update may have set safeContentsCtx->skipCurrentSafeBag, and we |
| 399 | * may not get another opportunity to clean up the decoder context. |
| 400 | */ |
| 401 | if (safeContentsCtx->skipCurrentSafeBag) { |
| 402 | goto loser; |
| 403 | } |
| 404 | |
| 405 | return; |
| 406 | |
| 407 | loser: |
| 408 | /* Finish the decoder context. Because there |
| 409 | * is not a way of returning an error message, it may be worth |
| 410 | * while to do a check higher up and finish any decoding contexts |
| 411 | * that are still open. |
| 412 | */ |
| 413 | SEC_ASN1DecoderFinishSEC_ASN1DecoderFinish_Util(safeContentsCtx->currentSafeBagA1Dcx); |
| 414 | safeContentsCtx->currentSafeBagA1Dcx = NULL((void*)0); |
| 415 | return; |
| 416 | } |
| 417 | |
| 418 | /* notify function for decoding safeBags. This function is |
| 419 | * used to filter safeBag types which are not supported, |
| 420 | * initiate the decoding of nested safe contents, and decode |
| 421 | * safeBags in general. this function is set when the decoder |
| 422 | * context for the safeBag is first created. |
| 423 | */ |
| 424 | static void |
| 425 | sec_pkcs12_decoder_safe_bag_notify(void *arg, PRBool before, |
| 426 | void *dest, int real_depth) |
| 427 | { |
| 428 | sec_PKCS12SafeContentsContext *safeContentsCtx = |
| 429 | (sec_PKCS12SafeContentsContext *)arg; |
| 430 | SEC_PKCS12DecoderContext *p12dcx; |
| 431 | sec_PKCS12SafeBag *bag; |
| 432 | PRBool after; |
| 433 | |
| 434 | /* if an error is encountered, return */ |
| 435 | if (!safeContentsCtx || !safeContentsCtx->p12dcx || |
| 436 | safeContentsCtx->p12dcx->error) { |
| 437 | return; |
| 438 | } |
| 439 | p12dcx = safeContentsCtx->p12dcx; |
| 440 | |
| 441 | /* to make things more readable */ |
| 442 | if (before) |
| 443 | after = PR_FALSE0; |
| 444 | else |
| 445 | after = PR_TRUE1; |
| 446 | |
| 447 | /* have we determined the safeBagType yet? */ |
| 448 | bag = safeContentsCtx->currentSafeBag; |
| 449 | if (bag->bagTypeTag == NULL((void*)0)) { |
| 450 | if (after && (dest == &(bag->safeBagType))) { |
| 451 | bag->bagTypeTag = SECOID_FindOIDSECOID_FindOID_Util(&(bag->safeBagType)); |
| 452 | if (bag->bagTypeTag == NULL((void*)0)) { |
| 453 | p12dcx->error = PR_TRUE1; |
| 454 | p12dcx->errorValue = SEC_ERROR_PKCS12_CORRUPT_PFX_STRUCTURE; |
| 455 | } |
| 456 | } |
| 457 | return; |
| 458 | } |
| 459 | |
| 460 | /* process the safeBag depending on it's type. those |
| 461 | * which we do not support, are ignored. we start a decoding |
| 462 | * context for a nested safeContents. |
| 463 | */ |
| 464 | switch (bag->bagTypeTag->offset) { |
| 465 | case SEC_OID_PKCS12_V1_KEY_BAG_ID: |
| 466 | case SEC_OID_PKCS12_V1_CERT_BAG_ID: |
| 467 | case SEC_OID_PKCS12_V1_PKCS8_SHROUDED_KEY_BAG_ID: |
| 468 | break; |
| 469 | case SEC_OID_PKCS12_V1_SAFE_CONTENTS_BAG_ID: |
| 470 | /* if we are just starting to decode the safeContents, initialize |
| 471 | * a new safeContentsCtx to process it. |
| 472 | */ |
| 473 | if (before && (dest == &(bag->safeBagContent))) { |
| 474 | sec_pkcs12_decoder_begin_nested_safe_contents(safeContentsCtx); |
| 475 | } else if (after && (dest == &(bag->safeBagContent))) { |
| 476 | /* clean up the nested decoding */ |
| 477 | sec_pkcs12_decoder_finish_nested_safe_contents(safeContentsCtx); |
| 478 | } |
| 479 | break; |
| 480 | case SEC_OID_PKCS12_V1_CRL_BAG_ID: |
| 481 | case SEC_OID_PKCS12_V1_SECRET_BAG_ID: |
| 482 | default: |
| 483 | /* skip any safe bag types we don't understand or handle */ |
| 484 | safeContentsCtx->skipCurrentSafeBag = PR_TRUE1; |
| 485 | break; |
| 486 | } |
| 487 | |
| 488 | return; |
| 489 | } |
| 490 | |
| 491 | /* notify function for decoding safe contents. each entry in the |
| 492 | * safe contents is a safeBag which needs to be allocated and |
| 493 | * the decoding context initialized at the beginning and then |
| 494 | * the context needs to be closed and finished at the end. |
| 495 | * |
| 496 | * this function is set when the safeContents decode context is |
| 497 | * initialized. |
| 498 | */ |
| 499 | static void |
| 500 | sec_pkcs12_decoder_safe_contents_notify(void *arg, PRBool before, |
| 501 | void *dest, int real_depth) |
| 502 | { |
| 503 | sec_PKCS12SafeContentsContext *safeContentsCtx = |
| 504 | (sec_PKCS12SafeContentsContext *)arg; |
| 505 | SEC_PKCS12DecoderContext *p12dcx; |
| 506 | SECStatus rv; |
| 507 | |
| 508 | /* if there is an error we don't want to continue processing, |
| 509 | * just return and keep going. |
| 510 | */ |
| 511 | if (!safeContentsCtx || !safeContentsCtx->p12dcx || |
| 512 | safeContentsCtx->p12dcx->error) { |
| 513 | return; |
| 514 | } |
| 515 | p12dcx = safeContentsCtx->p12dcx; |
| 516 | |
| 517 | /* if we are done with the current safeBag, then we need to |
| 518 | * finish the context and set the state variables appropriately. |
| 519 | */ |
| 520 | if (!before) { |
| 521 | SEC_ASN1DecoderClearFilterProcSEC_ASN1DecoderClearFilterProc_Util(safeContentsCtx->safeContentsA1Dcx); |
| 522 | SEC_ASN1DecoderFinishSEC_ASN1DecoderFinish_Util(safeContentsCtx->currentSafeBagA1Dcx); |
| 523 | safeContentsCtx->currentSafeBagA1Dcx = NULL((void*)0); |
| 524 | safeContentsCtx->skipCurrentSafeBag = PR_FALSE0; |
| 525 | } else { |
| 526 | /* we are starting a new safe bag. we need to allocate space |
| 527 | * for the bag and initialize the decoding context. |
| 528 | */ |
| 529 | rv = sec_pkcs12_decoder_init_new_safe_bag(safeContentsCtx); |
| 530 | if (rv != SECSuccess) { |
| 531 | goto loser; |
| 532 | } |
| 533 | |
| 534 | /* set up the decoder context */ |
| 535 | safeContentsCtx->currentSafeBagA1Dcx = |
| 536 | SEC_ASN1DecoderStartSEC_ASN1DecoderStart_Util(p12dcx->arena, |
| 537 | safeContentsCtx->currentSafeBag, |
| 538 | sec_PKCS12SafeBagTemplate); |
| 539 | if (!safeContentsCtx->currentSafeBagA1Dcx) { |
| 540 | p12dcx->errorValue = PORT_GetErrorPORT_GetError_Util(); |
| 541 | goto loser; |
| 542 | } |
| 543 | sec_pkcs12_decoder_set_limits(p12dcx, |
| 544 | safeContentsCtx->currentSafeBagA1Dcx); |
| 545 | |
| 546 | /* set the notify and filter procs so that the safe bag |
| 547 | * data gets sent to the proper location when decoding. |
| 548 | */ |
| 549 | SEC_ASN1DecoderSetNotifyProcSEC_ASN1DecoderSetNotifyProc_Util(safeContentsCtx->currentSafeBagA1Dcx, |
| 550 | sec_pkcs12_decoder_safe_bag_notify, |
| 551 | safeContentsCtx); |
| 552 | SEC_ASN1DecoderSetFilterProcSEC_ASN1DecoderSetFilterProc_Util(safeContentsCtx->safeContentsA1Dcx, |
| 553 | sec_pkcs12_decoder_safe_bag_update, |
| 554 | safeContentsCtx, PR_TRUE1); |
| 555 | } |
| 556 | |
| 557 | return; |
| 558 | |
| 559 | loser: |
| 560 | /* in the event of an error, we want to close the decoding |
| 561 | * context and clear the filter and notify procedures. |
| 562 | */ |
| 563 | p12dcx->error = PR_TRUE1; |
| 564 | |
| 565 | if (safeContentsCtx->currentSafeBagA1Dcx) { |
| 566 | SEC_ASN1DecoderFinishSEC_ASN1DecoderFinish_Util(safeContentsCtx->currentSafeBagA1Dcx); |
| 567 | safeContentsCtx->currentSafeBagA1Dcx = NULL((void*)0); |
| 568 | } |
| 569 | |
| 570 | SEC_ASN1DecoderClearNotifyProcSEC_ASN1DecoderClearNotifyProc_Util(safeContentsCtx->safeContentsA1Dcx); |
| 571 | SEC_ASN1DecoderClearFilterProcSEC_ASN1DecoderClearFilterProc_Util(safeContentsCtx->safeContentsA1Dcx); |
| 572 | |
| 573 | return; |
| 574 | } |
| 575 | |
| 576 | /* initialize the safeContents for decoding. this routine |
| 577 | * is used for authenticatedSafes as well as nested safeContents. |
| 578 | */ |
| 579 | static sec_PKCS12SafeContentsContext * |
| 580 | sec_pkcs12_decoder_safe_contents_init_decode(SEC_PKCS12DecoderContext *p12dcx, |
| 581 | PRBool nestedSafe) |
| 582 | { |
| 583 | sec_PKCS12SafeContentsContext *safeContentsCtx = NULL((void*)0); |
| 584 | const SEC_ASN1Template *theTemplate; |
| 585 | |
| 586 | if (!p12dcx || p12dcx->error) { |
| 587 | return NULL((void*)0); |
| 588 | } |
| 589 | |
| 590 | /* allocate a new safeContents list or grow the existing list and |
| 591 | * append the new safeContents onto the end. |
| 592 | */ |
| 593 | p12dcx->safeContentsList = (!p12dcx->safeContentsCnt) |
| 594 | ? PORT_ArenaZNewArray(p12dcx->arena, sec_PKCS12SafeContentsContext *, 2)(sec_PKCS12SafeContentsContext * *)PORT_ArenaZAlloc_Util(p12dcx ->arena, sizeof(sec_PKCS12SafeContentsContext *) * (2)) |
| 595 | : PORT_ArenaGrowArray(p12dcx->arena, p12dcx->safeContentsList,(sec_PKCS12SafeContentsContext * *)PORT_ArenaGrow_Util((p12dcx ->arena), (p12dcx->safeContentsList), (1 + p12dcx->safeContentsCnt ) * sizeof(sec_PKCS12SafeContentsContext *), (2 + p12dcx-> safeContentsCnt) * sizeof(sec_PKCS12SafeContentsContext *)) |
| 596 | sec_PKCS12SafeContentsContext *,(sec_PKCS12SafeContentsContext * *)PORT_ArenaGrow_Util((p12dcx ->arena), (p12dcx->safeContentsList), (1 + p12dcx->safeContentsCnt ) * sizeof(sec_PKCS12SafeContentsContext *), (2 + p12dcx-> safeContentsCnt) * sizeof(sec_PKCS12SafeContentsContext *)) |
| 597 | 1 + p12dcx->safeContentsCnt,(sec_PKCS12SafeContentsContext * *)PORT_ArenaGrow_Util((p12dcx ->arena), (p12dcx->safeContentsList), (1 + p12dcx->safeContentsCnt ) * sizeof(sec_PKCS12SafeContentsContext *), (2 + p12dcx-> safeContentsCnt) * sizeof(sec_PKCS12SafeContentsContext *)) |
| 598 | 2 + p12dcx->safeContentsCnt)(sec_PKCS12SafeContentsContext * *)PORT_ArenaGrow_Util((p12dcx ->arena), (p12dcx->safeContentsList), (1 + p12dcx->safeContentsCnt ) * sizeof(sec_PKCS12SafeContentsContext *), (2 + p12dcx-> safeContentsCnt) * sizeof(sec_PKCS12SafeContentsContext *)); |
| 599 | |
| 600 | if (!p12dcx->safeContentsList) { |
| 601 | p12dcx->errorValue = PORT_GetErrorPORT_GetError_Util(); |
| 602 | goto loser; |
| 603 | } |
| 604 | |
| 605 | p12dcx->safeContentsList[p12dcx->safeContentsCnt] = safeContentsCtx = |
| 606 | PORT_ArenaZNew(p12dcx->arena, sec_PKCS12SafeContentsContext)(sec_PKCS12SafeContentsContext *)PORT_ArenaZAlloc_Util(p12dcx ->arena, sizeof(sec_PKCS12SafeContentsContext)); |
| 607 | if (!p12dcx->safeContentsList[p12dcx->safeContentsCnt]) { |
| 608 | p12dcx->errorValue = PORT_GetErrorPORT_GetError_Util(); |
| 609 | goto loser; |
| 610 | } |
| 611 | p12dcx->safeContentsList[++p12dcx->safeContentsCnt] = NULL((void*)0); |
| 612 | |
| 613 | /* set up the state variables */ |
| 614 | safeContentsCtx->p12dcx = p12dcx; |
| 615 | safeContentsCtx->arena = p12dcx->arena; |
| 616 | |
| 617 | /* begin the decoding -- the template is based on whether we are |
| 618 | * decoding a nested safeContents or not. |
| 619 | */ |
| 620 | if (nestedSafe == PR_TRUE1) { |
| 621 | theTemplate = sec_PKCS12NestedSafeContentsDecodeTemplate; |
| 622 | } else { |
| 623 | theTemplate = sec_PKCS12SafeContentsDecodeTemplate; |
| 624 | } |
| 625 | |
| 626 | /* start the decoder context */ |
| 627 | safeContentsCtx->safeContentsA1Dcx = SEC_ASN1DecoderStartSEC_ASN1DecoderStart_Util(p12dcx->arena, |
| 628 | &safeContentsCtx->safeContents, |
| 629 | theTemplate); |
| 630 | |
| 631 | if (!safeContentsCtx->safeContentsA1Dcx) { |
| 632 | p12dcx->errorValue = PORT_GetErrorPORT_GetError_Util(); |
| 633 | goto loser; |
| 634 | } |
| 635 | sec_pkcs12_decoder_set_limits(p12dcx, |
| 636 | safeContentsCtx->safeContentsA1Dcx); |
| 637 | |
| 638 | /* set the safeContents notify procedure to look for |
| 639 | * and start the decode of safeBags. |
| 640 | */ |
| 641 | SEC_ASN1DecoderSetNotifyProcSEC_ASN1DecoderSetNotifyProc_Util(safeContentsCtx->safeContentsA1Dcx, |
| 642 | sec_pkcs12_decoder_safe_contents_notify, |
| 643 | safeContentsCtx); |
| 644 | |
| 645 | return safeContentsCtx; |
| 646 | |
| 647 | loser: |
| 648 | /* in the case of an error, we want to finish the decoder |
| 649 | * context and set the error flag. |
| 650 | */ |
| 651 | if (safeContentsCtx && safeContentsCtx->safeContentsA1Dcx) { |
| 652 | SEC_ASN1DecoderFinishSEC_ASN1DecoderFinish_Util(safeContentsCtx->safeContentsA1Dcx); |
| 653 | safeContentsCtx->safeContentsA1Dcx = NULL((void*)0); |
| 654 | } |
| 655 | |
| 656 | p12dcx->error = PR_TRUE1; |
| 657 | |
| 658 | return NULL((void*)0); |
| 659 | } |
| 660 | |
| 661 | /* wrapper for updating safeContents. this is set as the filter of |
| 662 | * safeBag when there is a nested safeContents. |
| 663 | */ |
| 664 | static void |
| 665 | sec_pkcs12_decoder_nested_safe_contents_update(void *arg, const char *buf, |
| 666 | unsigned long len, int depth, |
| 667 | SEC_ASN1EncodingPart data_kind) |
| 668 | { |
| 669 | sec_PKCS12SafeContentsContext *safeContentsCtx = |
| 670 | (sec_PKCS12SafeContentsContext *)arg; |
| 671 | SEC_PKCS12DecoderContext *p12dcx; |
| 672 | SECStatus rv; |
| 673 | |
| 674 | /* check for an error */ |
| 675 | if (!safeContentsCtx || !safeContentsCtx->p12dcx || |
| 676 | safeContentsCtx->p12dcx->error || !safeContentsCtx->safeContentsA1Dcx) { |
| 677 | return; |
| 678 | } |
| 679 | |
| 680 | /* no need to update if no data sent in */ |
| 681 | if (!len || !buf) { |
| 682 | return; |
| 683 | } |
| 684 | |
| 685 | /* update the decoding context */ |
| 686 | p12dcx = safeContentsCtx->p12dcx; |
| 687 | rv = SEC_ASN1DecoderUpdateSEC_ASN1DecoderUpdate_Util(safeContentsCtx->safeContentsA1Dcx, buf, len); |
| 688 | if (rv != SECSuccess) { |
| 689 | p12dcx->errorValue = PORT_GetErrorPORT_GetError_Util(); |
| 690 | goto loser; |
| 691 | } |
| 692 | |
| 693 | return; |
| 694 | |
| 695 | loser: |
| 696 | /* handle any errors. If a decoding context is open, close it. */ |
| 697 | p12dcx->error = PR_TRUE1; |
| 698 | if (safeContentsCtx->safeContentsA1Dcx) { |
| 699 | SEC_ASN1DecoderFinishSEC_ASN1DecoderFinish_Util(safeContentsCtx->safeContentsA1Dcx); |
| 700 | safeContentsCtx->safeContentsA1Dcx = NULL((void*)0); |
| 701 | } |
| 702 | } |
| 703 | |
| 704 | /* Bound the number of nested safeContents that may be decoded. Each level |
| 705 | * creates a new ASN.1 decoder context, so the SEC_ASN1D_MAX_DEPTH structural |
| 706 | * limit does not apply across levels; without this bound a crafted file can |
| 707 | * drive unbounded recursion and exhaust the stack. No known producer nests |
| 708 | * safeContents more than one level deep, so a single level is permitted. |
| 709 | */ |
| 710 | #define SEC_PKCS12_MAX_NESTING_DEPTH1 1 |
| 711 | |
| 712 | /* whenever a new safeContentsSafeBag is encountered, we need |
| 713 | * to init a safeContentsContext. |
| 714 | */ |
| 715 | static SECStatus |
| 716 | sec_pkcs12_decoder_begin_nested_safe_contents(sec_PKCS12SafeContentsContext |
| 717 | *safeContentsCtx) |
| 718 | { |
| 719 | /* check for an error */ |
| 720 | if (!safeContentsCtx || !safeContentsCtx->p12dcx || |
| 721 | safeContentsCtx->p12dcx->error) { |
| 722 | return SECFailure; |
| 723 | } |
| 724 | |
| 725 | if (safeContentsCtx->nestingDepth >= SEC_PKCS12_MAX_NESTING_DEPTH1) { |
| 726 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_PKCS12_CORRUPT_PFX_STRUCTURE); |
| 727 | safeContentsCtx->p12dcx->error = PR_TRUE1; |
| 728 | safeContentsCtx->p12dcx->errorValue = |
| 729 | SEC_ERROR_PKCS12_CORRUPT_PFX_STRUCTURE; |
| 730 | return SECFailure; |
| 731 | } |
| 732 | |
| 733 | safeContentsCtx->nestedSafeContentsCtx = |
| 734 | sec_pkcs12_decoder_safe_contents_init_decode(safeContentsCtx->p12dcx, |
| 735 | PR_TRUE1); |
| 736 | if (!safeContentsCtx->nestedSafeContentsCtx) { |
| 737 | return SECFailure; |
| 738 | } |
| 739 | safeContentsCtx->nestedSafeContentsCtx->nestingDepth = |
| 740 | safeContentsCtx->nestingDepth + 1; |
| 741 | |
| 742 | /* set up new filter proc */ |
| 743 | SEC_ASN1DecoderSetNotifyProcSEC_ASN1DecoderSetNotifyProc_Util( |
| 744 | safeContentsCtx->nestedSafeContentsCtx->safeContentsA1Dcx, |
| 745 | sec_pkcs12_decoder_safe_contents_notify, |
| 746 | safeContentsCtx->nestedSafeContentsCtx); |
| 747 | |
| 748 | SEC_ASN1DecoderSetFilterProcSEC_ASN1DecoderSetFilterProc_Util(safeContentsCtx->currentSafeBagA1Dcx, |
| 749 | sec_pkcs12_decoder_nested_safe_contents_update, |
| 750 | safeContentsCtx->nestedSafeContentsCtx, |
| 751 | PR_TRUE1); |
| 752 | |
| 753 | return SECSuccess; |
| 754 | } |
| 755 | |
| 756 | /* when the safeContents is done decoding, we need to reset the |
| 757 | * proper filter and notify procs and close the decoding context |
| 758 | */ |
| 759 | static SECStatus |
| 760 | sec_pkcs12_decoder_finish_nested_safe_contents(sec_PKCS12SafeContentsContext |
| 761 | *safeContentsCtx) |
| 762 | { |
| 763 | /* check for error */ |
| 764 | if (!safeContentsCtx || !safeContentsCtx->p12dcx || |
| 765 | safeContentsCtx->p12dcx->error) { |
| 766 | return SECFailure; |
| 767 | } |
| 768 | |
| 769 | /* clean up */ |
| 770 | SEC_ASN1DecoderClearFilterProcSEC_ASN1DecoderClearFilterProc_Util(safeContentsCtx->currentSafeBagA1Dcx); |
| 771 | SEC_ASN1DecoderClearNotifyProcSEC_ASN1DecoderClearNotifyProc_Util( |
| 772 | safeContentsCtx->nestedSafeContentsCtx->safeContentsA1Dcx); |
| 773 | SEC_ASN1DecoderFinishSEC_ASN1DecoderFinish_Util( |
| 774 | safeContentsCtx->nestedSafeContentsCtx->safeContentsA1Dcx); |
| 775 | safeContentsCtx->nestedSafeContentsCtx->safeContentsA1Dcx = NULL((void*)0); |
| 776 | safeContentsCtx->nestedSafeContentsCtx = NULL((void*)0); |
| 777 | |
| 778 | return SECSuccess; |
| 779 | } |
| 780 | |
| 781 | /* wrapper for updating safeContents. This is used when decoding |
| 782 | * the nested safeContents and any authenticatedSafes. |
| 783 | */ |
| 784 | static void |
| 785 | sec_pkcs12_decoder_safe_contents_callback(void *arg, const char *buf, |
| 786 | unsigned long len) |
| 787 | { |
| 788 | SECStatus rv; |
| 789 | sec_PKCS12SafeContentsContext *safeContentsCtx = |
| 790 | (sec_PKCS12SafeContentsContext *)arg; |
| 791 | SEC_PKCS12DecoderContext *p12dcx; |
| 792 | |
| 793 | /* check for error */ |
| 794 | if (!safeContentsCtx || !safeContentsCtx->p12dcx || |
| 795 | safeContentsCtx->p12dcx->error || !safeContentsCtx->safeContentsA1Dcx) { |
| 796 | return; |
| 797 | } |
| 798 | p12dcx = safeContentsCtx->p12dcx; |
| 799 | |
| 800 | /* update the decoder */ |
| 801 | rv = SEC_ASN1DecoderUpdateSEC_ASN1DecoderUpdate_Util(safeContentsCtx->safeContentsA1Dcx, buf, len); |
| 802 | if (rv != SECSuccess) { |
| 803 | /* if we fail while trying to decode a 'safe', it's probably because |
| 804 | * we didn't have the correct password. */ |
| 805 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_BAD_PASSWORD); |
| 806 | p12dcx->errorValue = SEC_ERROR_PKCS12_CORRUPT_PFX_STRUCTURE; |
| 807 | SEC_PKCS7DecoderAbort(p12dcx->currentASafeP7Dcx, SEC_ERROR_BAD_PASSWORD); |
| 808 | goto loser; |
| 809 | } |
| 810 | |
| 811 | return; |
| 812 | |
| 813 | loser: |
| 814 | /* set the error and finish the context */ |
| 815 | p12dcx->error = PR_TRUE1; |
| 816 | if (safeContentsCtx->safeContentsA1Dcx) { |
| 817 | SEC_ASN1DecoderFinishSEC_ASN1DecoderFinish_Util(safeContentsCtx->safeContentsA1Dcx); |
| 818 | safeContentsCtx->safeContentsA1Dcx = NULL((void*)0); |
| 819 | } |
| 820 | |
| 821 | return; |
| 822 | } |
| 823 | |
| 824 | /* this is a wrapper for the ASN1 decoder to call SEC_PKCS7DecoderUpdate |
| 825 | */ |
| 826 | static void |
| 827 | sec_pkcs12_decoder_wrap_p7_update(void *arg, const char *data, |
| 828 | unsigned long len, int depth, |
| 829 | SEC_ASN1EncodingPart data_kind) |
| 830 | { |
| 831 | SEC_PKCS7DecoderContext *p7dcx = (SEC_PKCS7DecoderContext *)arg; |
| 832 | |
| 833 | SEC_PKCS7DecoderUpdate(p7dcx, data, len); |
| 834 | } |
| 835 | |
| 836 | /* notify function for decoding aSafes. at the beginning, |
| 837 | * of an authenticatedSafe, we start a decode of a safeContents. |
| 838 | * at the end, we clean up the safeContents decoder context and |
| 839 | * reset state variables |
| 840 | */ |
| 841 | static void |
| 842 | sec_pkcs12_decoder_asafes_notify(void *arg, PRBool before, void *dest, |
| 843 | int real_depth) |
| 844 | { |
| 845 | SEC_PKCS12DecoderContext *p12dcx; |
| 846 | sec_PKCS12SafeContentsContext *safeContentsCtx; |
| 847 | |
| 848 | /* make sure no error occurred. */ |
| 849 | p12dcx = (SEC_PKCS12DecoderContext *)arg; |
| 850 | if (!p12dcx || p12dcx->error) { |
| 851 | return; |
| 852 | } |
| 853 | |
| 854 | if (before) { |
| 855 | |
| 856 | /* init a new safeContentsContext */ |
| 857 | safeContentsCtx = sec_pkcs12_decoder_safe_contents_init_decode(p12dcx, |
| 858 | PR_FALSE0); |
| 859 | if (!safeContentsCtx) { |
| 860 | goto loser; |
| 861 | } |
| 862 | |
| 863 | /* initiate the PKCS7ContentInfo decode */ |
| 864 | p12dcx->currentASafeP7Dcx = SEC_PKCS7DecoderStart( |
| 865 | sec_pkcs12_decoder_safe_contents_callback, |
| 866 | safeContentsCtx, |
| 867 | p12dcx->pwfn, p12dcx->pwfnarg, |
| 868 | sec_pkcs12_decoder_get_decrypt_key, p12dcx, |
| 869 | sec_pkcs12_decoder_decryption_allowed); |
| 870 | if (!p12dcx->currentASafeP7Dcx) { |
| 871 | p12dcx->errorValue = PORT_GetErrorPORT_GetError_Util(); |
| 872 | goto loser; |
| 873 | } |
| 874 | sec_pkcs12_decoder_set_p7_limits(p12dcx, p12dcx->currentASafeP7Dcx); |
| 875 | SEC_ASN1DecoderSetFilterProcSEC_ASN1DecoderSetFilterProc_Util(p12dcx->aSafeA1Dcx, |
| 876 | sec_pkcs12_decoder_wrap_p7_update, |
| 877 | p12dcx->currentASafeP7Dcx, PR_TRUE1); |
| 878 | } |
| 879 | |
| 880 | if (!before) { |
| 881 | /* if one is being decoded, finish the decode */ |
| 882 | if (p12dcx->currentASafeP7Dcx != NULL((void*)0)) { |
| 883 | SEC_PKCS7ContentInfo *cinfo; |
| 884 | unsigned int cnt = p12dcx->safeContentsCnt - 1; |
| 885 | safeContentsCtx = p12dcx->safeContentsList[cnt]; |
| 886 | if (safeContentsCtx->safeContentsA1Dcx) { |
| 887 | SEC_ASN1DecoderClearFilterProcSEC_ASN1DecoderClearFilterProc_Util(p12dcx->aSafeA1Dcx); |
| 888 | SEC_ASN1DecoderFinishSEC_ASN1DecoderFinish_Util(safeContentsCtx->safeContentsA1Dcx); |
| 889 | safeContentsCtx->safeContentsA1Dcx = NULL((void*)0); |
| 890 | } |
| 891 | cinfo = SEC_PKCS7DecoderFinish(p12dcx->currentASafeP7Dcx); |
| 892 | SEC_ASN1DecoderClearFilterProcSEC_ASN1DecoderClearFilterProc_Util(p12dcx->aSafeA1Dcx); |
| 893 | p12dcx->currentASafeP7Dcx = NULL((void*)0); |
| 894 | if (!cinfo) { |
| 895 | p12dcx->errorValue = PORT_GetErrorPORT_GetError_Util(); |
| 896 | goto loser; |
| 897 | } |
| 898 | SEC_PKCS7DestroyContentInfo(cinfo); /* don't leak it */ |
| 899 | } |
| 900 | } |
| 901 | |
| 902 | return; |
| 903 | |
| 904 | loser: |
| 905 | /* set the error flag */ |
| 906 | p12dcx->error = PR_TRUE1; |
| 907 | return; |
| 908 | } |
| 909 | |
| 910 | /* wrapper for updating asafes decoding context. this function |
| 911 | * writes data being decoded to disk, so that a mac can be computed |
| 912 | * later. |
| 913 | */ |
| 914 | static void |
| 915 | sec_pkcs12_decoder_asafes_callback(void *arg, const char *buf, |
| 916 | unsigned long len) |
| 917 | { |
| 918 | SEC_PKCS12DecoderContext *p12dcx = (SEC_PKCS12DecoderContext *)arg; |
| 919 | SECStatus rv; |
| 920 | |
| 921 | if (!p12dcx || p12dcx->error) { |
| 922 | return; |
| 923 | } |
| 924 | |
| 925 | /* update the context */ |
| 926 | rv = SEC_ASN1DecoderUpdateSEC_ASN1DecoderUpdate_Util(p12dcx->aSafeA1Dcx, buf, len); |
| 927 | if (rv != SECSuccess) { |
| 928 | p12dcx->errorValue = PORT_GetErrorPORT_GetError_Util(); |
| 929 | p12dcx->error = PR_TRUE1; |
| 930 | goto loser; |
| 931 | } |
| 932 | |
| 933 | /* if we are writing to a file, write out the new information */ |
| 934 | if (p12dcx->dWrite) { |
| 935 | unsigned long writeLen = (*p12dcx->dWrite)(p12dcx->dArg, |
| 936 | (unsigned char *)buf, len); |
| 937 | if (writeLen != len) { |
| 938 | p12dcx->errorValue = PORT_GetErrorPORT_GetError_Util(); |
| 939 | goto loser; |
| 940 | } |
| 941 | } |
| 942 | |
| 943 | return; |
| 944 | |
| 945 | loser: |
| 946 | /* set the error flag */ |
| 947 | p12dcx->error = PR_TRUE1; |
| 948 | SEC_ASN1DecoderFinishSEC_ASN1DecoderFinish_Util(p12dcx->aSafeA1Dcx); |
| 949 | p12dcx->aSafeA1Dcx = NULL((void*)0); |
| 950 | |
| 951 | return; |
| 952 | } |
| 953 | |
| 954 | /* start the decode of an authenticatedSafe contentInfo. |
| 955 | */ |
| 956 | static SECStatus |
| 957 | sec_pkcs12_decode_start_asafes_cinfo(SEC_PKCS12DecoderContext *p12dcx) |
| 958 | { |
| 959 | if (!p12dcx || p12dcx->error) { |
| 960 | return SECFailure; |
| 961 | } |
| 962 | |
| 963 | /* start the decode context */ |
| 964 | p12dcx->aSafeA1Dcx = SEC_ASN1DecoderStartSEC_ASN1DecoderStart_Util(p12dcx->arena, |
| 965 | &p12dcx->authSafe, |
| 966 | sec_PKCS12AuthenticatedSafeTemplate); |
| 967 | if (!p12dcx->aSafeA1Dcx) { |
| 968 | p12dcx->errorValue = PORT_GetErrorPORT_GetError_Util(); |
| 969 | goto loser; |
| 970 | } |
| 971 | sec_pkcs12_decoder_set_limits(p12dcx, p12dcx->aSafeA1Dcx); |
| 972 | |
| 973 | /* set the notify function */ |
| 974 | SEC_ASN1DecoderSetNotifyProcSEC_ASN1DecoderSetNotifyProc_Util(p12dcx->aSafeA1Dcx, |
| 975 | sec_pkcs12_decoder_asafes_notify, p12dcx); |
| 976 | |
| 977 | /* begin the authSafe decoder context */ |
| 978 | p12dcx->aSafeP7Dcx = SEC_PKCS7DecoderStart( |
| 979 | sec_pkcs12_decoder_asafes_callback, p12dcx, |
| 980 | p12dcx->pwfn, p12dcx->pwfnarg, NULL((void*)0), NULL((void*)0), NULL((void*)0)); |
| 981 | if (!p12dcx->aSafeP7Dcx) { |
| 982 | p12dcx->errorValue = PORT_GetErrorPORT_GetError_Util(); |
| 983 | goto loser; |
| 984 | } |
| 985 | sec_pkcs12_decoder_set_p7_limits(p12dcx, p12dcx->aSafeP7Dcx); |
| 986 | |
| 987 | /* open the temp file for writing, if the digest functions were set */ |
| 988 | if (p12dcx->dOpen && (*p12dcx->dOpen)(p12dcx->dArg, PR_FALSE0) != SECSuccess) { |
| 989 | p12dcx->errorValue = PORT_GetErrorPORT_GetError_Util(); |
| 990 | goto loser; |
| 991 | } |
| 992 | /* dOpen(dArg, PR_FALSE) creates the temp file */ |
| 993 | p12dcx->dIsOpen = PR_TRUE1; |
| 994 | |
| 995 | return SECSuccess; |
| 996 | |
| 997 | loser: |
| 998 | p12dcx->error = PR_TRUE1; |
| 999 | |
| 1000 | if (p12dcx->aSafeA1Dcx) { |
| 1001 | SEC_ASN1DecoderFinishSEC_ASN1DecoderFinish_Util(p12dcx->aSafeA1Dcx); |
| 1002 | p12dcx->aSafeA1Dcx = NULL((void*)0); |
| 1003 | } |
| 1004 | |
| 1005 | if (p12dcx->aSafeP7Dcx) { |
| 1006 | SEC_PKCS7DecoderFinish(p12dcx->aSafeP7Dcx); |
| 1007 | p12dcx->aSafeP7Dcx = NULL((void*)0); |
| 1008 | } |
| 1009 | |
| 1010 | return SECFailure; |
| 1011 | } |
| 1012 | |
| 1013 | /* wrapper for updating the safeContents. this function is used as |
| 1014 | * a filter for the pfx when decoding the authenticated safes |
| 1015 | */ |
| 1016 | static void |
| 1017 | sec_pkcs12_decode_asafes_cinfo_update(void *arg, const char *buf, |
| 1018 | unsigned long len, int depth, |
| 1019 | SEC_ASN1EncodingPart data_kind) |
| 1020 | { |
| 1021 | SEC_PKCS12DecoderContext *p12dcx; |
| 1022 | SECStatus rv; |
| 1023 | |
| 1024 | p12dcx = (SEC_PKCS12DecoderContext *)arg; |
| 1025 | if (!p12dcx || p12dcx->error) { |
| 1026 | return; |
| 1027 | } |
| 1028 | |
| 1029 | /* update the safeContents decoder */ |
| 1030 | rv = SEC_PKCS7DecoderUpdate(p12dcx->aSafeP7Dcx, buf, len); |
| 1031 | if (rv != SECSuccess) { |
| 1032 | p12dcx->errorValue = SEC_ERROR_PKCS12_CORRUPT_PFX_STRUCTURE; |
| 1033 | goto loser; |
| 1034 | } |
| 1035 | |
| 1036 | return; |
| 1037 | |
| 1038 | loser: |
| 1039 | |
| 1040 | /* did we find an error? if so, close the context and set the |
| 1041 | * error flag. |
| 1042 | */ |
| 1043 | SEC_PKCS7DecoderFinish(p12dcx->aSafeP7Dcx); |
| 1044 | p12dcx->aSafeP7Dcx = NULL((void*)0); |
| 1045 | p12dcx->error = PR_TRUE1; |
| 1046 | } |
| 1047 | |
| 1048 | /* notify procedure used while decoding the pfx. When we encounter |
| 1049 | * the authSafes, we want to trigger the decoding of authSafes as well |
| 1050 | * as when we encounter the macData, trigger the decoding of it. we do |
| 1051 | * this because we we are streaming the decoder and not decoding in place. |
| 1052 | * the pfx which is the destination, only has the version decoded into it. |
| 1053 | */ |
| 1054 | static void |
| 1055 | sec_pkcs12_decoder_pfx_notify_proc(void *arg, PRBool before, void *dest, |
| 1056 | int real_depth) |
| 1057 | { |
| 1058 | SECStatus rv; |
| 1059 | SEC_PKCS12DecoderContext *p12dcx = (SEC_PKCS12DecoderContext *)arg; |
| 1060 | |
| 1061 | /* if an error occurs, clear the notifyProc and the filterProc |
| 1062 | * and continue. |
| 1063 | */ |
| 1064 | if (p12dcx->error) { |
| 1065 | SEC_ASN1DecoderClearNotifyProcSEC_ASN1DecoderClearNotifyProc_Util(p12dcx->pfxA1Dcx); |
| 1066 | SEC_ASN1DecoderClearFilterProcSEC_ASN1DecoderClearFilterProc_Util(p12dcx->pfxA1Dcx); |
| 1067 | return; |
| 1068 | } |
| 1069 | |
| 1070 | if (before && (dest == &p12dcx->pfx.encodedAuthSafe)) { |
| 1071 | |
| 1072 | /* we want to make sure this is a version we support */ |
| 1073 | if (!sec_pkcs12_proper_version(&p12dcx->pfx)) { |
| 1074 | p12dcx->errorValue = SEC_ERROR_PKCS12_UNSUPPORTED_VERSION; |
| 1075 | goto loser; |
| 1076 | } |
| 1077 | |
| 1078 | /* start the decode of the aSafes cinfo... */ |
| 1079 | rv = sec_pkcs12_decode_start_asafes_cinfo(p12dcx); |
| 1080 | if (rv != SECSuccess) { |
| 1081 | goto loser; |
| 1082 | } |
| 1083 | |
| 1084 | /* set the filter proc to update the authenticated safes. */ |
| 1085 | SEC_ASN1DecoderSetFilterProcSEC_ASN1DecoderSetFilterProc_Util(p12dcx->pfxA1Dcx, |
| 1086 | sec_pkcs12_decode_asafes_cinfo_update, |
| 1087 | p12dcx, PR_TRUE1); |
| 1088 | } |
| 1089 | |
| 1090 | if (!before && (dest == &p12dcx->pfx.encodedAuthSafe)) { |
| 1091 | |
| 1092 | /* we are done decoding the authenticatedSafes, so we need to |
| 1093 | * finish the decoderContext and clear the filter proc |
| 1094 | * and close the hmac callback, if present |
| 1095 | */ |
| 1096 | p12dcx->aSafeCinfo = SEC_PKCS7DecoderFinish(p12dcx->aSafeP7Dcx); |
| 1097 | p12dcx->aSafeP7Dcx = NULL((void*)0); |
| 1098 | if (!p12dcx->aSafeCinfo) { |
| 1099 | p12dcx->errorValue = PORT_GetErrorPORT_GetError_Util(); |
| 1100 | goto loser; |
| 1101 | } |
| 1102 | SEC_ASN1DecoderClearFilterProcSEC_ASN1DecoderClearFilterProc_Util(p12dcx->pfxA1Dcx); |
| 1103 | if (p12dcx->dClose && ((*p12dcx->dClose)(p12dcx->dArg, PR_FALSE0) != SECSuccess)) { |
| 1104 | p12dcx->errorValue = PORT_GetErrorPORT_GetError_Util(); |
| 1105 | goto loser; |
| 1106 | } |
| 1107 | } |
| 1108 | |
| 1109 | return; |
| 1110 | |
| 1111 | loser: |
| 1112 | p12dcx->error = PR_TRUE1; |
| 1113 | } |
| 1114 | |
| 1115 | /* default implementations of the open/close/read/write functions for |
| 1116 | SEC_PKCS12DecoderStart |
| 1117 | */ |
| 1118 | |
| 1119 | #define DEFAULT_TEMP_SIZE4096 4096 |
| 1120 | |
| 1121 | static SECStatus |
| 1122 | p12u_DigestOpen(void *arg, PRBool readData) |
| 1123 | { |
| 1124 | SEC_PKCS12DecoderContext *p12cxt = arg; |
| 1125 | |
| 1126 | p12cxt->currentpos = 0; |
| 1127 | |
| 1128 | if (PR_FALSE0 == readData) { |
| 1129 | /* allocate an initial buffer */ |
| 1130 | p12cxt->filesize = 0; |
| 1131 | p12cxt->allocated = DEFAULT_TEMP_SIZE4096; |
| 1132 | p12cxt->buffer = PORT_AllocPORT_Alloc_Util(DEFAULT_TEMP_SIZE4096); |
| 1133 | PR_ASSERT(p12cxt->buffer)((p12cxt->buffer) ? ((void)0) : PR_Assert("p12cxt->buffer" , "/root/firefox-clang/security/nss/lib/pkcs12/p12d.c", 1133) ); |
| 1134 | } else { |
| 1135 | PR_ASSERT(p12cxt->buffer)((p12cxt->buffer) ? ((void)0) : PR_Assert("p12cxt->buffer" , "/root/firefox-clang/security/nss/lib/pkcs12/p12d.c", 1135) ); |
| 1136 | if (!p12cxt->buffer) { |
| 1137 | return SECFailure; /* no data to read */ |
| 1138 | } |
| 1139 | } |
| 1140 | |
| 1141 | return SECSuccess; |
| 1142 | } |
| 1143 | |
| 1144 | static SECStatus |
| 1145 | p12u_DigestClose(void *arg, PRBool removeFile) |
| 1146 | { |
| 1147 | SEC_PKCS12DecoderContext *p12cxt = arg; |
| 1148 | |
| 1149 | PR_ASSERT(p12cxt)((p12cxt) ? ((void)0) : PR_Assert("p12cxt", "/root/firefox-clang/security/nss/lib/pkcs12/p12d.c" , 1149)); |
| 1150 | if (!p12cxt) { |
| 1151 | return SECFailure; |
| 1152 | } |
| 1153 | p12cxt->currentpos = 0; |
| 1154 | |
| 1155 | if (PR_TRUE1 == removeFile) { |
| 1156 | PR_ASSERT(p12cxt->buffer)((p12cxt->buffer) ? ((void)0) : PR_Assert("p12cxt->buffer" , "/root/firefox-clang/security/nss/lib/pkcs12/p12d.c", 1156) ); |
| 1157 | if (!p12cxt->buffer) { |
| 1158 | return SECFailure; |
| 1159 | } |
| 1160 | if (p12cxt->buffer) { |
| 1161 | PORT_FreePORT_Free_Util(p12cxt->buffer); |
| 1162 | p12cxt->buffer = NULL((void*)0); |
| 1163 | p12cxt->allocated = 0; |
| 1164 | p12cxt->filesize = 0; |
| 1165 | } |
| 1166 | } |
| 1167 | |
| 1168 | return SECSuccess; |
| 1169 | } |
| 1170 | |
| 1171 | static int |
| 1172 | p12u_DigestRead(void *arg, unsigned char *buf, unsigned long len) |
| 1173 | { |
| 1174 | int toread; |
| 1175 | SEC_PKCS12DecoderContext *p12cxt = arg; |
| 1176 | |
| 1177 | if (!buf || len == 0 || !p12cxt->buffer) { |
| 1178 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 1179 | return -1; |
| 1180 | } |
| 1181 | |
| 1182 | /* Clamp `len` to the bytes left in the buffer. toread is positive here, |
| 1183 | * so the comparison stays unsigned and `len` cannot wrap. */ |
| 1184 | toread = p12cxt->filesize - p12cxt->currentpos; |
| 1185 | if (toread <= 0) { |
| 1186 | return 0; |
| 1187 | } |
| 1188 | if (len < (unsigned long)toread) { |
| 1189 | toread = (int)len; |
| 1190 | } |
| 1191 | |
| 1192 | memcpy(buf, (char *)p12cxt->buffer + p12cxt->currentpos, toread); |
| 1193 | p12cxt->currentpos += toread; |
| 1194 | return toread; |
| 1195 | } |
| 1196 | |
| 1197 | static int |
| 1198 | p12u_DigestWrite(void *arg, unsigned char *buf, unsigned long len) |
| 1199 | { |
| 1200 | SEC_PKCS12DecoderContext *p12cxt = arg; |
| 1201 | |
| 1202 | if (!buf || len == 0) { |
| 1203 | return -1; |
| 1204 | } |
| 1205 | |
| 1206 | /* The buffer position counters are signed PRInt32. Reject any write |
| 1207 | * whose length would not fit so that `len` cannot overflow or wrap them |
| 1208 | * on LLP64 platforms where unsigned long is 32-bit (Win64). */ |
| 1209 | if (len > (unsigned long)(PR_INT32_MAX2147483647 - p12cxt->currentpos)) { |
| 1210 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 1211 | return -1; |
| 1212 | } |
| 1213 | |
| 1214 | if (p12cxt->currentpos + (PRInt32)len > p12cxt->filesize) { |
| 1215 | p12cxt->filesize = p12cxt->currentpos + (PRInt32)len; |
| 1216 | } else { |
| 1217 | p12cxt->filesize += (PRInt32)len; |
| 1218 | } |
| 1219 | if (p12cxt->filesize > p12cxt->allocated) { |
| 1220 | void *newbuffer; |
| 1221 | size_t newsize = p12cxt->filesize + DEFAULT_TEMP_SIZE4096; |
| 1222 | newbuffer = PORT_ReallocPORT_Realloc_Util(p12cxt->buffer, newsize); |
| 1223 | if (NULL((void*)0) == newbuffer) { |
| 1224 | return -1; /* can't extend the buffer */ |
| 1225 | } |
| 1226 | p12cxt->buffer = newbuffer; |
| 1227 | p12cxt->allocated = newsize; |
| 1228 | } |
| 1229 | PR_ASSERT(p12cxt->buffer)((p12cxt->buffer) ? ((void)0) : PR_Assert("p12cxt->buffer" , "/root/firefox-clang/security/nss/lib/pkcs12/p12d.c", 1229) ); |
| 1230 | memcpy((char *)p12cxt->buffer + p12cxt->currentpos, buf, len); |
| 1231 | p12cxt->currentpos += len; |
| 1232 | return len; |
| 1233 | } |
| 1234 | |
| 1235 | /* SEC_PKCS12DecoderStart |
| 1236 | * Creates a decoder context for decoding a PKCS 12 PDU objct. |
| 1237 | * This function sets up the initial decoding context for the |
| 1238 | * PFX and sets the needed state variables. |
| 1239 | * |
| 1240 | * pwitem - the password for the hMac and any encoded safes. |
| 1241 | * this should be changed to take a callback which retrieves |
| 1242 | * the password. it may be possible for different safes to |
| 1243 | * have different passwords. also, the password is already |
| 1244 | * in unicode. it should probably be converted down below via |
| 1245 | * a unicode conversion callback. |
| 1246 | * slot - the slot to import the dataa into should multiple slots |
| 1247 | * be supported based on key type and cert type? |
| 1248 | * dOpen, dClose, dRead, dWrite - digest routines for writing data |
| 1249 | * to a file so it could be read back and the hmac recomputed |
| 1250 | * and verified. doesn't seem to be a way for both encoding |
| 1251 | * and decoding to be single pass, thus the need for these |
| 1252 | * routines. |
| 1253 | * dArg - the argument for dOpen, etc. |
| 1254 | * |
| 1255 | * if NULL == dOpen == dClose == dRead == dWrite == dArg, then default |
| 1256 | * implementations using a memory buffer are used |
| 1257 | * |
| 1258 | * This function returns the decoder context, if it was successful. |
| 1259 | * Otherwise, null is returned. |
| 1260 | */ |
| 1261 | SEC_PKCS12DecoderContext * |
| 1262 | SEC_PKCS12DecoderStart(SECItem *pwitem, PK11SlotInfo *slot, void *wincx, |
| 1263 | digestOpenFn dOpen, digestCloseFn dClose, |
| 1264 | digestIOFn dRead, digestIOFn dWrite, void *dArg) |
| 1265 | { |
| 1266 | SEC_PKCS12DecoderContext *p12dcx; |
| 1267 | PLArenaPool *arena; |
| 1268 | PRInt32 forceUnicode = PR_FALSE0; |
| 1269 | SECStatus rv; |
| 1270 | |
| 1271 | arena = PORT_NewArenaPORT_NewArena_Util(2048); /* different size? */ |
| 1272 | if (!arena) { |
| 1273 | return NULL((void*)0); /* error is already set */ |
| 1274 | } |
| 1275 | |
| 1276 | /* allocate the decoder context and set the state variables */ |
| 1277 | p12dcx = PORT_ArenaZNew(arena, SEC_PKCS12DecoderContext)(SEC_PKCS12DecoderContext *)PORT_ArenaZAlloc_Util(arena, sizeof (SEC_PKCS12DecoderContext)); |
| 1278 | if (!p12dcx) { |
| 1279 | goto loser; /* error is already set */ |
| 1280 | } |
| 1281 | |
| 1282 | if (!dOpen && !dClose && !dRead && !dWrite && !dArg) { |
| 1283 | /* use default implementations */ |
| 1284 | dOpen = p12u_DigestOpen; |
| 1285 | dClose = p12u_DigestClose; |
| 1286 | dRead = p12u_DigestRead; |
| 1287 | dWrite = p12u_DigestWrite; |
| 1288 | dArg = (void *)p12dcx; |
| 1289 | } |
| 1290 | |
| 1291 | p12dcx->arena = arena; |
| 1292 | p12dcx->pwitem = pwitem; |
| 1293 | p12dcx->slot = (slot ? PK11_ReferenceSlot(slot) |
| 1294 | : PK11_GetInternalKeySlot()); |
| 1295 | p12dcx->wincx = wincx; |
| 1296 | p12dcx->tokenCAs = SECPKCS12TargetTokenNoCAs; |
| 1297 | #ifdef IS_LITTLE_ENDIAN1 |
| 1298 | p12dcx->swapUnicodeBytes = PR_TRUE1; |
| 1299 | #else |
| 1300 | p12dcx->swapUnicodeBytes = PR_FALSE0; |
| 1301 | #endif |
| 1302 | rv = NSS_OptionGet(__NSS_PKCS12_DECODE_FORCE_UNICODE0x00c, &forceUnicode); |
| 1303 | if (rv != SECSuccess) { |
| 1304 | goto loser; |
| 1305 | } |
| 1306 | p12dcx->forceUnicode = forceUnicode; |
| 1307 | p12dcx->errorValue = 0; |
| 1308 | p12dcx->error = PR_FALSE0; |
| 1309 | |
| 1310 | /* start the decoding of the PFX and set the notify proc |
| 1311 | * for the PFX item. |
| 1312 | */ |
| 1313 | p12dcx->pfxA1Dcx = SEC_ASN1DecoderStartSEC_ASN1DecoderStart_Util(p12dcx->arena, &p12dcx->pfx, |
| 1314 | sec_PKCS12PFXItemTemplate); |
| 1315 | if (!p12dcx->pfxA1Dcx) { |
| 1316 | PK11_FreeSlot(p12dcx->slot); |
| 1317 | goto loser; |
| 1318 | } |
| 1319 | |
| 1320 | SEC_ASN1DecoderSetNotifyProcSEC_ASN1DecoderSetNotifyProc_Util(p12dcx->pfxA1Dcx, |
| 1321 | sec_pkcs12_decoder_pfx_notify_proc, |
| 1322 | p12dcx); |
| 1323 | |
| 1324 | /* set up digest functions */ |
| 1325 | p12dcx->dOpen = dOpen; |
| 1326 | p12dcx->dWrite = dWrite; |
| 1327 | p12dcx->dClose = dClose; |
| 1328 | p12dcx->dRead = dRead; |
| 1329 | p12dcx->dArg = dArg; |
| 1330 | p12dcx->dIsOpen = PR_FALSE0; |
| 1331 | |
| 1332 | p12dcx->keyList = NULL((void*)0); |
| 1333 | p12dcx->decitem.type = 0; |
| 1334 | p12dcx->decitem.der = NULL((void*)0); |
| 1335 | p12dcx->decitem.hasKey = PR_FALSE0; |
| 1336 | p12dcx->decitem.friendlyName = NULL((void*)0); |
| 1337 | p12dcx->iteration = 0; |
| 1338 | |
| 1339 | return p12dcx; |
| 1340 | |
| 1341 | loser: |
| 1342 | PORT_FreeArenaPORT_FreeArena_Util(arena, PR_TRUE1); |
| 1343 | return NULL((void*)0); |
| 1344 | } |
| 1345 | |
| 1346 | SECStatus |
| 1347 | SEC_PKCS12DecoderSetMaxElementLen(SEC_PKCS12DecoderContext *p12dcx, |
| 1348 | unsigned long maxLen) |
| 1349 | { |
| 1350 | if (!p12dcx || p12dcx->error) { |
| 1351 | return SECFailure; |
| 1352 | } |
| 1353 | p12dcx->maxElementLen = maxLen; |
| 1354 | p12dcx->maxElementLenSet = PR_TRUE1; |
| 1355 | SEC_ASN1DecoderSetMaximumElementSize(p12dcx->pfxA1Dcx, maxLen); |
| 1356 | return SECSuccess; |
| 1357 | } |
| 1358 | |
| 1359 | SECStatus |
| 1360 | SEC_PKCS12DecoderSetMaxInputSize(SEC_PKCS12DecoderContext *p12dcx, |
| 1361 | unsigned long maxInputSize) |
| 1362 | { |
| 1363 | if (!p12dcx || p12dcx->error) { |
| 1364 | return SECFailure; |
| 1365 | } |
| 1366 | p12dcx->maxInputSize = maxInputSize; |
| 1367 | p12dcx->maxInputSizeSet = PR_TRUE1; |
| 1368 | SEC_ASN1DecoderSetMaximumInputSize(p12dcx->pfxA1Dcx, maxInputSize); |
| 1369 | return SECSuccess; |
| 1370 | } |
| 1371 | |
| 1372 | SECStatus |
| 1373 | SEC_PKCS12DecoderSetTargetTokenCAs(SEC_PKCS12DecoderContext *p12dcx, |
| 1374 | SECPKCS12TargetTokenCAs tokenCAs) |
| 1375 | { |
| 1376 | if (!p12dcx || p12dcx->error) { |
| 1377 | return SECFailure; |
| 1378 | } |
| 1379 | p12dcx->tokenCAs = tokenCAs; |
| 1380 | return SECSuccess; |
| 1381 | } |
| 1382 | |
| 1383 | /* SEC_PKCS12DecoderUpdate |
| 1384 | * Streaming update sending more data to the decoder. If |
| 1385 | * an error occurs, SECFailure is returned. |
| 1386 | * |
| 1387 | * p12dcx - the decoder context |
| 1388 | * data, len - the data buffer and length of data to send to |
| 1389 | * the update functions. |
| 1390 | */ |
| 1391 | SECStatus |
| 1392 | SEC_PKCS12DecoderUpdate(SEC_PKCS12DecoderContext *p12dcx, |
| 1393 | unsigned char *data, unsigned long len) |
| 1394 | { |
| 1395 | SECStatus rv; |
| 1396 | |
| 1397 | if (!p12dcx || p12dcx->error) { |
| 1398 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 1399 | return SECFailure; |
| 1400 | } |
| 1401 | |
| 1402 | /* update the PFX decoder context */ |
| 1403 | rv = SEC_ASN1DecoderUpdateSEC_ASN1DecoderUpdate_Util(p12dcx->pfxA1Dcx, (const char *)data, len); |
| 1404 | if (rv != SECSuccess) { |
| 1405 | p12dcx->errorValue = SEC_ERROR_PKCS12_CORRUPT_PFX_STRUCTURE; |
| 1406 | goto loser; |
| 1407 | } |
| 1408 | |
| 1409 | return SECSuccess; |
| 1410 | |
| 1411 | loser: |
| 1412 | |
| 1413 | p12dcx->error = PR_TRUE1; |
| 1414 | return SECFailure; |
| 1415 | } |
| 1416 | |
| 1417 | /* This should be a nice sized buffer for reading in data (potentially large |
| 1418 | ** amounts) to be MACed. It should be MUCH larger than HASH_LENGTH_MAX. |
| 1419 | */ |
| 1420 | #define IN_BUF_LEN1024 1024 |
| 1421 | #ifdef DEBUG1 |
| 1422 | static const char bufferEnd[] = { "BufferEnd" }; |
| 1423 | #endif |
| 1424 | #define FUDGE128 128 /* must be as large as bufferEnd or more. */ |
| 1425 | |
| 1426 | #ifdef UNSAFE_FUZZER_MODE |
| 1427 | static SECStatus |
| 1428 | sec_pkcs12_decoder_verify_fuzzer(SEC_PKCS12DecoderContext *p12dcx) |
| 1429 | { |
| 1430 | if (p12dcx->dClose) { |
| 1431 | (*p12dcx->dClose)(p12dcx->dArg, PR_TRUE1); |
| 1432 | p12dcx->dIsOpen = PR_FALSE0; |
| 1433 | } |
| 1434 | |
| 1435 | return SECSuccess; |
| 1436 | } |
| 1437 | #endif /* UNSAFE_FUZZER_MODE */ |
| 1438 | |
| 1439 | /* verify the hmac by reading the data from the temporary file |
| 1440 | * using the routines specified when the decodingContext was |
| 1441 | * created and return SECSuccess if the hmac matches. |
| 1442 | */ |
| 1443 | static SECStatus |
| 1444 | sec_pkcs12_decoder_verify_mac(SEC_PKCS12DecoderContext *p12dcx) |
| 1445 | { |
| 1446 | PK11Context *pk11cx = NULL((void*)0); |
| 1447 | PK11SymKey *symKey = NULL((void*)0); |
| 1448 | unsigned char *buf; |
| 1449 | SECStatus rv = SECFailure; |
| 1450 | SECStatus lrv; |
| 1451 | unsigned int bufLen; |
| 1452 | int bytesRead; |
| 1453 | SECItem hmacRes; |
| 1454 | SECItem ignore = { 0 }; |
| 1455 | CK_MECHANISM_TYPE hmacMech; |
| 1456 | |
| 1457 | if (!p12dcx || p12dcx->error) { |
| 1458 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 1459 | return SECFailure; |
| 1460 | } |
| 1461 | #ifdef UNSAFE_FUZZER_MODE |
| 1462 | return sec_pkcs12_decoder_verify_fuzzer(p12dcx); |
| 1463 | #endif /* UNSAFE_FUZZER_MODE */ |
| 1464 | buf = (unsigned char *)PORT_AllocPORT_Alloc_Util(IN_BUF_LEN1024 + FUDGE128); |
| 1465 | if (!buf) |
| 1466 | return SECFailure; /* error code has been set. */ |
| 1467 | |
| 1468 | #ifdef DEBUG1 |
| 1469 | memcpy(buf + IN_BUF_LEN1024, bufferEnd, sizeof bufferEnd); |
| 1470 | #endif |
| 1471 | |
| 1472 | /* generate hmac key */ |
| 1473 | symKey = sec_pkcs12_integrity_key(p12dcx->slot, &p12dcx->macData, |
| 1474 | p12dcx->pwitem, &hmacMech, PR_TRUE1, |
| 1475 | p12dcx->wincx); |
| 1476 | if (symKey == NULL((void*)0)) { |
| 1477 | goto loser; |
| 1478 | } |
| 1479 | |
| 1480 | /* init hmac */ |
| 1481 | pk11cx = PK11_CreateContextBySymKey(hmacMech, CKA_SIGN0x00000108UL, symKey, &ignore); |
| 1482 | if (!pk11cx) { |
| 1483 | goto loser; |
| 1484 | } |
| 1485 | lrv = PK11_DigestBegin(pk11cx); |
| 1486 | if (lrv == SECFailure) { |
| 1487 | goto loser; |
| 1488 | } |
| 1489 | |
| 1490 | /* try to open the data for readback */ |
| 1491 | if (p12dcx->dOpen && ((*p12dcx->dOpen)(p12dcx->dArg, PR_TRUE1) != SECSuccess)) { |
| 1492 | goto loser; |
| 1493 | } |
| 1494 | |
| 1495 | /* read the data back IN_BUF_LEN bytes at a time and recompute |
| 1496 | * the hmac. if fewer bytes are read than are requested, it is |
| 1497 | * assumed that the end of file has been reached. if bytesRead |
| 1498 | * is returned as -1, then an error occurred reading from the |
| 1499 | * file. |
| 1500 | */ |
| 1501 | do { |
| 1502 | bytesRead = (*p12dcx->dRead)(p12dcx->dArg, buf, IN_BUF_LEN1024); |
| 1503 | if (bytesRead < 0) { |
| 1504 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_PKCS12_UNABLE_TO_READ); |
| 1505 | goto loser; |
| 1506 | } |
| 1507 | PORT_Assert(bytesRead <= IN_BUF_LEN)((bytesRead <= 1024) ? ((void)0) : PR_Assert("bytesRead <= IN_BUF_LEN" , "/root/firefox-clang/security/nss/lib/pkcs12/p12d.c", 1507) ); |
| 1508 | PORT_Assert(!memcmp(buf + IN_BUF_LEN, bufferEnd, sizeof bufferEnd))((!memcmp(buf + 1024, bufferEnd, sizeof bufferEnd)) ? ((void) 0) : PR_Assert("!memcmp(buf + IN_BUF_LEN, bufferEnd, sizeof bufferEnd)" , "/root/firefox-clang/security/nss/lib/pkcs12/p12d.c", 1508) ); |
| 1509 | |
| 1510 | if (bytesRead > IN_BUF_LEN1024) { |
| 1511 | /* dRead callback overflowed buffer. */ |
| 1512 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INPUT_LEN); |
| 1513 | goto loser; |
| 1514 | } |
| 1515 | |
| 1516 | if (bytesRead) { |
| 1517 | lrv = PK11_DigestOp(pk11cx, buf, bytesRead); |
| 1518 | if (lrv == SECFailure) { |
| 1519 | goto loser; |
| 1520 | } |
| 1521 | } |
| 1522 | } while (bytesRead == IN_BUF_LEN1024); |
| 1523 | |
| 1524 | /* finish the hmac context */ |
| 1525 | lrv = PK11_DigestFinal(pk11cx, buf, &bufLen, IN_BUF_LEN1024); |
| 1526 | if (lrv == SECFailure) { |
| 1527 | goto loser; |
| 1528 | } |
| 1529 | |
| 1530 | hmacRes.data = buf; |
| 1531 | hmacRes.len = bufLen; |
| 1532 | |
| 1533 | /* is the hmac computed the same as the hmac which was decoded? */ |
| 1534 | rv = SECSuccess; |
| 1535 | if (SECITEM_CompareItemSECITEM_CompareItem_Util(&hmacRes, &p12dcx->macData.safeMac.digest) != SECEqual) { |
| 1536 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_PKCS12_INVALID_MAC); |
| 1537 | rv = SECFailure; |
| 1538 | } |
| 1539 | |
| 1540 | loser: |
| 1541 | /* close the file and remove it */ |
| 1542 | if (p12dcx->dClose) { |
| 1543 | (*p12dcx->dClose)(p12dcx->dArg, PR_TRUE1); |
| 1544 | p12dcx->dIsOpen = PR_FALSE0; |
| 1545 | } |
| 1546 | |
| 1547 | if (pk11cx) { |
| 1548 | PK11_DestroyContext(pk11cx, PR_TRUE1); |
| 1549 | } |
| 1550 | if (symKey) { |
| 1551 | PK11_FreeSymKey(symKey); |
| 1552 | } |
| 1553 | PORT_ZFreePORT_ZFree_Util(buf, IN_BUF_LEN1024 + FUDGE128); |
| 1554 | |
| 1555 | return rv; |
| 1556 | } |
| 1557 | |
| 1558 | /* SEC_PKCS12DecoderVerify |
| 1559 | * Verify the macData or the signature of the decoded PKCS 12 PDU. |
| 1560 | * If the signature or the macData do not match, SECFailure is |
| 1561 | * returned. |
| 1562 | * |
| 1563 | * p12dcx - the decoder context |
| 1564 | */ |
| 1565 | SECStatus |
| 1566 | SEC_PKCS12DecoderVerify(SEC_PKCS12DecoderContext *p12dcx) |
| 1567 | { |
| 1568 | SECStatus rv = SECSuccess; |
| 1569 | |
| 1570 | /* make sure that no errors have occurred... */ |
| 1571 | if (!p12dcx) { |
| 1572 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 1573 | return SECFailure; |
| 1574 | } |
| 1575 | if (p12dcx->error) { |
| 1576 | /* error code is already set! PORT_SetError(p12dcx->errorValue); */ |
| 1577 | return SECFailure; |
| 1578 | } |
| 1579 | |
| 1580 | rv = SEC_ASN1DecoderFinishSEC_ASN1DecoderFinish_Util(p12dcx->pfxA1Dcx); |
| 1581 | p12dcx->pfxA1Dcx = NULL((void*)0); |
| 1582 | if (rv != SECSuccess) { |
| 1583 | /* The PFX is incomplete, so the bags are too. */ |
| 1584 | p12dcx->errorValue = PORT_GetErrorPORT_GetError_Util(); |
| 1585 | p12dcx->error = PR_TRUE1; |
| 1586 | return rv; |
| 1587 | } |
| 1588 | #ifdef UNSAFE_FUZZER_MODE |
| 1589 | return sec_pkcs12_decoder_verify_fuzzer(p12dcx); |
| 1590 | #else /* UNSAFE_FUZZER_MODE */ |
| 1591 | /* check the signature or the mac depending on the type of |
| 1592 | * integrity used. |
| 1593 | */ |
| 1594 | if (p12dcx->pfx.encodedMacData.len) { |
| 1595 | rv = SEC_ASN1DecodeItemSEC_ASN1DecodeItem_Util(p12dcx->arena, &p12dcx->macData, |
| 1596 | sec_PKCS12MacDataTemplate, |
| 1597 | &p12dcx->pfx.encodedMacData); |
| 1598 | if (rv == SECSuccess) { |
| 1599 | return sec_pkcs12_decoder_verify_mac(p12dcx); |
| 1600 | } |
| 1601 | return rv; |
| 1602 | } |
| 1603 | if (SEC_PKCS7VerifySignature(p12dcx->aSafeCinfo, certUsageEmailSigner, |
| 1604 | PR_FALSE0)) { |
| 1605 | return SECSuccess; |
| 1606 | } |
| 1607 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_PKCS12_INVALID_MAC); |
| 1608 | return SECFailure; |
| 1609 | #endif /* UNSAFE_FUZZER_MODE */ |
| 1610 | } |
| 1611 | |
| 1612 | /* SEC_PKCS12DecoderFinish |
| 1613 | * Free any open ASN1 or PKCS7 decoder contexts and then |
| 1614 | * free the arena pool which everything should be allocated |
| 1615 | * from. This function should be called upon completion of |
| 1616 | * decoding and installing of a pfx pdu. This should be |
| 1617 | * called even if an error occurs. |
| 1618 | * |
| 1619 | * p12dcx - the decoder context |
| 1620 | */ |
| 1621 | void |
| 1622 | SEC_PKCS12DecoderFinish(SEC_PKCS12DecoderContext *p12dcx) |
| 1623 | { |
| 1624 | unsigned int i; |
| 1625 | |
| 1626 | if (!p12dcx) { |
| 1627 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 1628 | return; |
| 1629 | } |
| 1630 | |
| 1631 | if (p12dcx->pfxA1Dcx) { |
| 1632 | SEC_ASN1DecoderFinishSEC_ASN1DecoderFinish_Util(p12dcx->pfxA1Dcx); |
| 1633 | p12dcx->pfxA1Dcx = NULL((void*)0); |
| 1634 | } |
| 1635 | |
| 1636 | if (p12dcx->aSafeA1Dcx) { |
| 1637 | SEC_ASN1DecoderFinishSEC_ASN1DecoderFinish_Util(p12dcx->aSafeA1Dcx); |
| 1638 | p12dcx->aSafeA1Dcx = NULL((void*)0); |
| 1639 | } |
| 1640 | |
| 1641 | /* cleanup any old ASN1 decoder contexts */ |
| 1642 | for (i = 0; i < p12dcx->safeContentsCnt; ++i) { |
| 1643 | sec_PKCS12SafeContentsContext *safeContentsCtx, *nested; |
| 1644 | safeContentsCtx = p12dcx->safeContentsList[i]; |
| 1645 | if (safeContentsCtx) { |
| 1646 | nested = safeContentsCtx->nestedSafeContentsCtx; |
| 1647 | while (nested) { |
| 1648 | if (nested->currentSafeBagA1Dcx) { |
| 1649 | SEC_ASN1DecoderFinishSEC_ASN1DecoderFinish_Util(nested->currentSafeBagA1Dcx); |
| 1650 | nested->currentSafeBagA1Dcx = NULL((void*)0); |
| 1651 | } |
| 1652 | if (nested->safeContentsA1Dcx) { |
| 1653 | SEC_ASN1DecoderFinishSEC_ASN1DecoderFinish_Util(nested->safeContentsA1Dcx); |
| 1654 | nested->safeContentsA1Dcx = NULL((void*)0); |
| 1655 | } |
| 1656 | nested = nested->nestedSafeContentsCtx; |
| 1657 | } |
| 1658 | if (safeContentsCtx->currentSafeBagA1Dcx) { |
| 1659 | SEC_ASN1DecoderFinishSEC_ASN1DecoderFinish_Util(safeContentsCtx->currentSafeBagA1Dcx); |
| 1660 | safeContentsCtx->currentSafeBagA1Dcx = NULL((void*)0); |
| 1661 | } |
| 1662 | if (safeContentsCtx->safeContentsA1Dcx) { |
| 1663 | SEC_ASN1DecoderFinishSEC_ASN1DecoderFinish_Util(safeContentsCtx->safeContentsA1Dcx); |
| 1664 | safeContentsCtx->safeContentsA1Dcx = NULL((void*)0); |
| 1665 | } |
| 1666 | } |
| 1667 | } |
| 1668 | |
| 1669 | if (p12dcx->currentASafeP7Dcx && |
| 1670 | p12dcx->currentASafeP7Dcx != p12dcx->aSafeP7Dcx) { |
| 1671 | SEC_PKCS7ContentInfo *cinfo; |
| 1672 | cinfo = SEC_PKCS7DecoderFinish(p12dcx->currentASafeP7Dcx); |
| 1673 | if (cinfo) { |
| 1674 | SEC_PKCS7DestroyContentInfo(cinfo); /* don't leak it */ |
| 1675 | } |
| 1676 | } |
| 1677 | p12dcx->currentASafeP7Dcx = NULL((void*)0); |
| 1678 | |
| 1679 | if (p12dcx->aSafeP7Dcx) { |
| 1680 | SEC_PKCS7ContentInfo *cinfo; |
| 1681 | cinfo = SEC_PKCS7DecoderFinish(p12dcx->aSafeP7Dcx); |
| 1682 | if (cinfo) { |
| 1683 | SEC_PKCS7DestroyContentInfo(cinfo); |
| 1684 | } |
| 1685 | p12dcx->aSafeP7Dcx = NULL((void*)0); |
| 1686 | } |
| 1687 | |
| 1688 | if (p12dcx->aSafeCinfo) { |
| 1689 | SEC_PKCS7DestroyContentInfo(p12dcx->aSafeCinfo); |
| 1690 | p12dcx->aSafeCinfo = NULL((void*)0); |
| 1691 | } |
| 1692 | |
| 1693 | if (p12dcx->decitem.type != 0 && p12dcx->decitem.der != NULL((void*)0)) { |
| 1694 | SECITEM_FreeItemSECITEM_FreeItem_Util(p12dcx->decitem.der, PR_TRUE1); |
| 1695 | } |
| 1696 | if (p12dcx->decitem.friendlyName != NULL((void*)0)) { |
| 1697 | SECITEM_FreeItemSECITEM_FreeItem_Util(p12dcx->decitem.friendlyName, PR_TRUE1); |
| 1698 | } |
| 1699 | |
| 1700 | if (p12dcx->slot) { |
| 1701 | PK11_FreeSlot(p12dcx->slot); |
| 1702 | p12dcx->slot = NULL((void*)0); |
| 1703 | } |
| 1704 | |
| 1705 | if (p12dcx->dIsOpen && p12dcx->dClose) { |
| 1706 | (*p12dcx->dClose)(p12dcx->dArg, PR_TRUE1); |
| 1707 | p12dcx->dIsOpen = PR_FALSE0; |
| 1708 | } |
| 1709 | |
| 1710 | if (p12dcx->arena) { |
| 1711 | PORT_FreeArenaPORT_FreeArena_Util(p12dcx->arena, PR_TRUE1); |
| 1712 | } |
| 1713 | } |
| 1714 | |
| 1715 | static SECStatus |
| 1716 | sec_pkcs12_decoder_set_attribute_value(sec_PKCS12SafeBag *bag, |
| 1717 | SECOidTag attributeType, |
| 1718 | SECItem *attrValue) |
| 1719 | { |
| 1720 | int i = 0; |
| 1721 | SECOidData *oid; |
| 1722 | |
| 1723 | if (!bag || !attrValue) { |
| 1724 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 1725 | return SECFailure; |
| 1726 | } |
| 1727 | |
| 1728 | oid = SECOID_FindOIDByTagSECOID_FindOIDByTag_Util(attributeType); |
| 1729 | if (!oid) { |
| 1730 | return SECFailure; |
| 1731 | } |
| 1732 | |
| 1733 | if (!bag->attribs) { |
| 1734 | bag->attribs = |
| 1735 | PORT_ArenaZNewArray(bag->arena, sec_PKCS12Attribute *, 2)(sec_PKCS12Attribute * *)PORT_ArenaZAlloc_Util(bag->arena, sizeof(sec_PKCS12Attribute *) * (2)); |
| 1736 | } else { |
| 1737 | while (bag->attribs[i]) |
| 1738 | i++; |
| 1739 | bag->attribs = PORT_ArenaGrowArray(bag->arena, bag->attribs,(sec_PKCS12Attribute * *)PORT_ArenaGrow_Util((bag->arena), (bag->attribs), (i + 1) * sizeof(sec_PKCS12Attribute *), ( i + 2) * sizeof(sec_PKCS12Attribute *)) |
| 1740 | sec_PKCS12Attribute *, i + 1, i + 2)(sec_PKCS12Attribute * *)PORT_ArenaGrow_Util((bag->arena), (bag->attribs), (i + 1) * sizeof(sec_PKCS12Attribute *), ( i + 2) * sizeof(sec_PKCS12Attribute *)); |
| 1741 | } |
| 1742 | |
| 1743 | if (!bag->attribs) { |
| 1744 | return SECFailure; |
| 1745 | } |
| 1746 | |
| 1747 | bag->attribs[i] = PORT_ArenaZNew(bag->arena, sec_PKCS12Attribute)(sec_PKCS12Attribute *)PORT_ArenaZAlloc_Util(bag->arena, sizeof (sec_PKCS12Attribute)); |
| 1748 | if (!bag->attribs[i]) { |
| 1749 | return SECFailure; |
| 1750 | } |
| 1751 | |
| 1752 | bag->attribs[i]->attrValue = PORT_ArenaZNewArray(bag->arena, SECItem *, 2)(SECItem * *)PORT_ArenaZAlloc_Util(bag->arena, sizeof(SECItem *) * (2)); |
| 1753 | if (!bag->attribs[i]->attrValue) { |
| 1754 | return SECFailure; |
| 1755 | } |
| 1756 | |
| 1757 | bag->attribs[i + 1] = NULL((void*)0); |
| 1758 | bag->attribs[i]->attrValue[0] = attrValue; |
| 1759 | bag->attribs[i]->attrValue[1] = NULL((void*)0); |
| 1760 | |
| 1761 | return SECITEM_CopyItemSECITEM_CopyItem_Util(bag->arena, &bag->attribs[i]->attrType, &oid->oid); |
| 1762 | } |
| 1763 | |
| 1764 | static SECItem * |
| 1765 | sec_pkcs12_get_attribute_value(sec_PKCS12SafeBag *bag, |
| 1766 | SECOidTag attributeType) |
| 1767 | { |
| 1768 | int i; |
| 1769 | |
| 1770 | if (!bag->attribs) { |
| 1771 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 1772 | return NULL((void*)0); |
| 1773 | } |
| 1774 | |
| 1775 | for (i = 0; bag->attribs[i] != NULL((void*)0); i++) { |
| 1776 | if (SECOID_FindOIDTagSECOID_FindOIDTag_Util(&bag->attribs[i]->attrType) == attributeType) { |
| 1777 | return bag->attribs[i]->attrValue[0]; |
| 1778 | } |
| 1779 | } |
| 1780 | return NULL((void*)0); |
| 1781 | } |
| 1782 | |
| 1783 | /* For now, this function will merely remove any ":" |
| 1784 | * in the nickname which the PK11 functions may have |
| 1785 | * placed there. This will keep dual certs from appearing |
| 1786 | * twice under "Your" certificates when imported onto smart |
| 1787 | * cards. Once with the name "Slot:Cert" and another with |
| 1788 | * the nickname "Slot:Slot:Cert" |
| 1789 | */ |
| 1790 | static void |
| 1791 | sec_pkcs12_sanitize_nickname(PK11SlotInfo *slot, SECItem *nick) |
| 1792 | { |
| 1793 | char *nickname; |
| 1794 | char *delimit; |
| 1795 | int delimitlen; |
| 1796 | |
| 1797 | nickname = (char *)nick->data; |
| 1798 | if ((delimit = PORT_Strchrstrchr(nickname, ':')) != NULL((void*)0)) { |
| 1799 | char *slotName; |
| 1800 | int slotNameLen; |
| 1801 | |
| 1802 | slotNameLen = delimit - nickname; |
| 1803 | slotName = PORT_NewArray(char, (slotNameLen + 1))(char *)PORT_Alloc_Util(sizeof(char) * ((slotNameLen + 1))); |
| 1804 | PORT_Assert(slotName)((slotName) ? ((void)0) : PR_Assert("slotName", "/root/firefox-clang/security/nss/lib/pkcs12/p12d.c" , 1804)); |
| 1805 | if (slotName == NULL((void*)0)) { |
| 1806 | /* What else can we do?*/ |
| 1807 | return; |
| 1808 | } |
| 1809 | PORT_Memcpymemcpy(slotName, nickname, slotNameLen); |
| 1810 | slotName[slotNameLen] = '\0'; |
| 1811 | if (PORT_Strcmpstrcmp(PK11_GetTokenName(slot), slotName) == 0) { |
| 1812 | delimitlen = PORT_Strlen(delimit + 1)strlen(delimit + 1); |
| 1813 | if (delimitlen == 0) { |
| 1814 | /* Nickname was exactly "TokenName:" with nothing after the |
| 1815 | * prefix. Stripping it would yield an empty SECItem, which |
| 1816 | * is not a useful nickname; leave the original in place. */ |
| 1817 | PORT_FreePORT_Free_Util(slotName); |
| 1818 | return; |
| 1819 | } |
| 1820 | PORT_Memmovememmove(nickname, delimit + 1, delimitlen + 1); |
| 1821 | nick->len = delimitlen; |
| 1822 | } |
| 1823 | PORT_FreePORT_Free_Util(slotName); |
| 1824 | } |
| 1825 | } |
| 1826 | |
| 1827 | static SECItem * |
| 1828 | sec_pkcs12_get_nickname(sec_PKCS12SafeBag *bag) |
| 1829 | { |
| 1830 | SECItem *src, *dest; |
| 1831 | |
| 1832 | if (!bag) { |
| 1833 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 1834 | return NULL((void*)0); |
| 1835 | } |
| 1836 | |
| 1837 | src = sec_pkcs12_get_attribute_value(bag, SEC_OID_PKCS9_FRIENDLY_NAME); |
| 1838 | |
| 1839 | /* The return value src is 16-bit Unicode characters, in big-endian format. |
| 1840 | * Check if it is NULL or empty name. |
| 1841 | */ |
| 1842 | if (!src || !src->data || src->len < 2 || (!src->data[0] && !src->data[1])) { |
| 1843 | return NULL((void*)0); |
| 1844 | } |
| 1845 | |
| 1846 | dest = (SECItem *)PORT_ZAllocPORT_ZAlloc_Util(sizeof(SECItem)); |
| 1847 | if (!dest) { |
| 1848 | goto loser; |
| 1849 | } |
| 1850 | if (!sec_pkcs12_convert_item_to_unicode(NULL((void*)0), dest, src, PR_FALSE0, |
| 1851 | PR_FALSE0, PR_FALSE0)) { |
| 1852 | goto loser; |
| 1853 | } |
| 1854 | |
| 1855 | sec_pkcs12_sanitize_nickname(bag->slot, dest); |
| 1856 | |
| 1857 | return dest; |
| 1858 | |
| 1859 | loser: |
| 1860 | if (dest) { |
| 1861 | SECITEM_ZfreeItemSECITEM_ZfreeItem_Util(dest, PR_TRUE1); |
| 1862 | } |
| 1863 | |
| 1864 | bag->problem = PR_TRUE1; |
| 1865 | bag->error = PORT_GetErrorPORT_GetError_Util(); |
| 1866 | return NULL((void*)0); |
| 1867 | } |
| 1868 | |
| 1869 | static SECStatus |
| 1870 | sec_pkcs12_set_nickname(sec_PKCS12SafeBag *bag, SECItem *name) |
| 1871 | { |
| 1872 | sec_PKCS12Attribute *attr = NULL((void*)0); |
| 1873 | SECOidData *oid = SECOID_FindOIDByTagSECOID_FindOIDByTag_Util(SEC_OID_PKCS9_FRIENDLY_NAME); |
| 1874 | |
| 1875 | if (!bag || !bag->arena || !name) { |
| 1876 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 1877 | return SECFailure; |
| 1878 | } |
| 1879 | |
| 1880 | if (!bag->attribs) { |
| 1881 | if (!oid) { |
| 1882 | goto loser; |
| 1883 | } |
| 1884 | |
| 1885 | bag->attribs = |
| 1886 | PORT_ArenaZNewArray(bag->arena, sec_PKCS12Attribute *, 2)(sec_PKCS12Attribute * *)PORT_ArenaZAlloc_Util(bag->arena, sizeof(sec_PKCS12Attribute *) * (2)); |
| 1887 | if (!bag->attribs) { |
| 1888 | goto loser; |
| 1889 | } |
| 1890 | bag->attribs[0] = PORT_ArenaZNew(bag->arena, sec_PKCS12Attribute)(sec_PKCS12Attribute *)PORT_ArenaZAlloc_Util(bag->arena, sizeof (sec_PKCS12Attribute)); |
| 1891 | if (!bag->attribs[0]) { |
| 1892 | goto loser; |
| 1893 | } |
| 1894 | bag->attribs[1] = NULL((void*)0); |
| 1895 | |
| 1896 | attr = bag->attribs[0]; |
| 1897 | if (SECITEM_CopyItemSECITEM_CopyItem_Util(bag->arena, &attr->attrType, &oid->oid) != SECSuccess) { |
| 1898 | goto loser; |
| 1899 | } |
| 1900 | } else { |
| 1901 | int i; |
| 1902 | for (i = 0; bag->attribs[i]; i++) { |
| 1903 | if (SECOID_FindOIDTagSECOID_FindOIDTag_Util(&bag->attribs[i]->attrType) == SEC_OID_PKCS9_FRIENDLY_NAME) { |
| 1904 | attr = bag->attribs[i]; |
| 1905 | break; |
| 1906 | } |
| 1907 | } |
| 1908 | if (!attr) { |
| 1909 | if (!oid) { |
| 1910 | goto loser; |
| 1911 | } |
| 1912 | bag->attribs = PORT_ArenaGrowArray(bag->arena, bag->attribs,(sec_PKCS12Attribute * *)PORT_ArenaGrow_Util((bag->arena), (bag->attribs), (i + 1) * sizeof(sec_PKCS12Attribute *), ( i + 2) * sizeof(sec_PKCS12Attribute *)) |
| 1913 | sec_PKCS12Attribute *, i + 1, i + 2)(sec_PKCS12Attribute * *)PORT_ArenaGrow_Util((bag->arena), (bag->attribs), (i + 1) * sizeof(sec_PKCS12Attribute *), ( i + 2) * sizeof(sec_PKCS12Attribute *)); |
| 1914 | if (!bag->attribs) { |
| 1915 | goto loser; |
| 1916 | } |
| 1917 | bag->attribs[i] = PORT_ArenaZNew(bag->arena, sec_PKCS12Attribute)(sec_PKCS12Attribute *)PORT_ArenaZAlloc_Util(bag->arena, sizeof (sec_PKCS12Attribute)); |
| 1918 | if (!bag->attribs[i]) { |
| 1919 | goto loser; |
| 1920 | } |
| 1921 | bag->attribs[i + 1] = NULL((void*)0); |
| 1922 | attr = bag->attribs[i]; |
| 1923 | if (SECITEM_CopyItemSECITEM_CopyItem_Util(bag->arena, &attr->attrType, &oid->oid) != SECSuccess) { |
| 1924 | goto loser; |
| 1925 | } |
| 1926 | } |
| 1927 | } |
| 1928 | |
| 1929 | PORT_Assert(attr)((attr) ? ((void)0) : PR_Assert("attr", "/root/firefox-clang/security/nss/lib/pkcs12/p12d.c" , 1929)); |
| 1930 | if (!attr->attrValue) { |
| 1931 | attr->attrValue = PORT_ArenaZNewArray(bag->arena, SECItem *, 2)(SECItem * *)PORT_ArenaZAlloc_Util(bag->arena, sizeof(SECItem *) * (2)); |
| 1932 | if (!attr->attrValue) { |
| 1933 | goto loser; |
| 1934 | } |
| 1935 | attr->attrValue[0] = PORT_ArenaZNew(bag->arena, SECItem)(SECItem *)PORT_ArenaZAlloc_Util(bag->arena, sizeof(SECItem )); |
| 1936 | if (!attr->attrValue[0]) { |
| 1937 | goto loser; |
| 1938 | } |
| 1939 | attr->attrValue[1] = NULL((void*)0); |
| 1940 | } |
| 1941 | |
| 1942 | name->len = PORT_Strlen((char *)name->data)strlen((char *)name->data); |
| 1943 | if (!sec_pkcs12_convert_item_to_unicode(bag->arena, attr->attrValue[0], |
| 1944 | name, PR_FALSE0, PR_FALSE0, PR_TRUE1)) { |
| 1945 | goto loser; |
| 1946 | } |
| 1947 | |
| 1948 | return SECSuccess; |
| 1949 | |
| 1950 | loser: |
| 1951 | bag->problem = PR_TRUE1; |
| 1952 | bag->error = PORT_GetErrorPORT_GetError_Util(); |
| 1953 | return SECFailure; |
| 1954 | } |
| 1955 | |
| 1956 | static SECStatus |
| 1957 | sec_pkcs12_get_key_info(sec_PKCS12SafeBag *key) |
| 1958 | { |
| 1959 | int i = 0; |
| 1960 | SECKEYPrivateKeyInfo *pki = NULL((void*)0); |
| 1961 | |
| 1962 | if (!key) { |
| 1963 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 1964 | return SECFailure; |
| 1965 | } |
| 1966 | |
| 1967 | /* if the bag does *not* contain an unencrypted PrivateKeyInfo |
| 1968 | * then we cannot convert the attributes. We are propagating |
| 1969 | * attributes within the PrivateKeyInfo to the SafeBag level. |
| 1970 | */ |
| 1971 | if (SECOID_FindOIDTagSECOID_FindOIDTag_Util(&(key->safeBagType)) != |
| 1972 | SEC_OID_PKCS12_V1_KEY_BAG_ID) { |
| 1973 | return SECSuccess; |
| 1974 | } |
| 1975 | |
| 1976 | pki = key->safeBagContent.pkcs8KeyBag; |
| 1977 | |
| 1978 | if (!pki || !pki->attributes) { |
| 1979 | return SECSuccess; |
| 1980 | } |
| 1981 | |
| 1982 | while (pki->attributes[i]) { |
| 1983 | SECOidTag tag = SECOID_FindOIDTagSECOID_FindOIDTag_Util(&pki->attributes[i]->attrType); |
| 1984 | |
| 1985 | if (tag == SEC_OID_PKCS9_LOCAL_KEY_ID || |
| 1986 | tag == SEC_OID_PKCS9_FRIENDLY_NAME) { |
| 1987 | SECItem *attrValue = sec_pkcs12_get_attribute_value(key, tag); |
| 1988 | if (!attrValue) { |
| 1989 | if (sec_pkcs12_decoder_set_attribute_value(key, tag, |
| 1990 | pki->attributes[i]->attrValue[0]) != SECSuccess) { |
| 1991 | key->problem = PR_TRUE1; |
| 1992 | key->error = PORT_GetErrorPORT_GetError_Util(); |
| 1993 | return SECFailure; |
| 1994 | } |
| 1995 | } |
| 1996 | } |
| 1997 | i++; |
| 1998 | } |
| 1999 | |
| 2000 | return SECSuccess; |
| 2001 | } |
| 2002 | |
| 2003 | /* retrieve the nickname for the certificate bag. first look |
| 2004 | * in the cert bag, otherwise get it from the key. |
| 2005 | */ |
| 2006 | static SECItem * |
| 2007 | sec_pkcs12_get_nickname_for_cert(sec_PKCS12SafeBag *cert, |
| 2008 | sec_PKCS12SafeBag *key) |
| 2009 | { |
| 2010 | SECItem *nickname; |
| 2011 | |
| 2012 | if (!cert) { |
| 2013 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2014 | return NULL((void*)0); |
| 2015 | } |
| 2016 | |
| 2017 | nickname = sec_pkcs12_get_nickname(cert); |
| 2018 | if (nickname) { |
| 2019 | return nickname; |
| 2020 | } |
| 2021 | |
| 2022 | if (key) { |
| 2023 | nickname = sec_pkcs12_get_nickname(key); |
| 2024 | |
| 2025 | if (nickname && sec_pkcs12_set_nickname(cert, nickname) != SECSuccess) { |
| 2026 | SECITEM_ZfreeItemSECITEM_ZfreeItem_Util(nickname, PR_TRUE1); |
| 2027 | return NULL((void*)0); |
| 2028 | } |
| 2029 | } |
| 2030 | |
| 2031 | return nickname; |
| 2032 | } |
| 2033 | |
| 2034 | /* set the nickname for the certificate */ |
| 2035 | static SECStatus |
| 2036 | sec_pkcs12_set_nickname_for_cert(sec_PKCS12SafeBag *cert, |
| 2037 | sec_PKCS12SafeBag *key, |
| 2038 | SECItem *nickname) |
| 2039 | { |
| 2040 | if (!nickname || !cert) { |
| 2041 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2042 | return SECFailure; |
| 2043 | } |
| 2044 | |
| 2045 | if (sec_pkcs12_set_nickname(cert, nickname) != SECSuccess) { |
| 2046 | return SECFailure; |
| 2047 | } |
| 2048 | |
| 2049 | if (key) { |
| 2050 | if (sec_pkcs12_set_nickname(key, nickname) != SECSuccess) { |
| 2051 | cert->problem = PR_TRUE1; |
| 2052 | cert->error = key->error; |
| 2053 | return SECFailure; |
| 2054 | } |
| 2055 | } |
| 2056 | |
| 2057 | return SECSuccess; |
| 2058 | } |
| 2059 | |
| 2060 | /* retrieve the DER cert from the cert bag */ |
| 2061 | static SECItem * |
| 2062 | sec_pkcs12_get_der_cert(sec_PKCS12SafeBag *cert) |
| 2063 | { |
| 2064 | if (!cert || !cert->safeBagContent.certBag) { |
| 2065 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2066 | return NULL((void*)0); |
| 2067 | } |
| 2068 | |
| 2069 | if (SECOID_FindOIDTagSECOID_FindOIDTag_Util(&cert->safeBagType) != SEC_OID_PKCS12_V1_CERT_BAG_ID) { |
| 2070 | return NULL((void*)0); |
| 2071 | } |
| 2072 | |
| 2073 | /* only support X509 certs not SDSI */ |
| 2074 | if (SECOID_FindOIDTagSECOID_FindOIDTag_Util(&cert->safeBagContent.certBag->bagID) != SEC_OID_PKCS9_X509_CERT) { |
| 2075 | return NULL((void*)0); |
| 2076 | } |
| 2077 | |
| 2078 | return SECITEM_DupItemSECITEM_DupItem_Util(&(cert->safeBagContent.certBag->value.x509Cert)); |
| 2079 | } |
| 2080 | |
| 2081 | struct certNickInfo { |
| 2082 | PLArenaPool *arena; |
| 2083 | unsigned int nNicks; |
| 2084 | SECItem **nickList; |
| 2085 | unsigned int error; |
| 2086 | }; |
| 2087 | |
| 2088 | /* callback for traversing certificates to gather the nicknames |
| 2089 | * used in a particular traversal. for instance, when using |
| 2090 | * CERT_TraversePermCertsForSubject, gather the nicknames and |
| 2091 | * store them in the certNickInfo for a particular DN. |
| 2092 | * |
| 2093 | * this handles the case where multiple nicknames are allowed |
| 2094 | * for the same dn, which is not currently allowed, but may be |
| 2095 | * in the future. |
| 2096 | */ |
| 2097 | static SECStatus |
| 2098 | gatherNicknames(CERTCertificate *cert, void *arg) |
| 2099 | { |
| 2100 | struct certNickInfo *nickArg = (struct certNickInfo *)arg; |
| 2101 | SECItem tempNick; |
| 2102 | unsigned int i; |
| 2103 | |
| 2104 | if (!cert || !nickArg || nickArg->error) { |
| 2105 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2106 | return SECFailure; |
| 2107 | } |
| 2108 | |
| 2109 | if (!cert->nickname) { |
| 2110 | return SECSuccess; |
| 2111 | } |
| 2112 | |
| 2113 | tempNick.data = (unsigned char *)cert->nickname; |
| 2114 | tempNick.len = PORT_Strlen(cert->nickname)strlen(cert->nickname) + 1; |
| 2115 | tempNick.type = siAsciiString; |
| 2116 | |
| 2117 | /* do we already have the nickname in the list? */ |
| 2118 | if (nickArg->nNicks > 0) { |
| 2119 | |
| 2120 | /* nicknames have been encountered, but there is no list -- bad */ |
| 2121 | if (!nickArg->nickList) { |
| 2122 | nickArg->error = SEC_ERROR_INVALID_ARGS; |
| 2123 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2124 | return SECFailure; |
| 2125 | } |
| 2126 | |
| 2127 | for (i = 0; i < nickArg->nNicks; i++) { |
| 2128 | if (SECITEM_CompareItemSECITEM_CompareItem_Util(nickArg->nickList[i], &tempNick) == SECEqual) { |
| 2129 | return SECSuccess; |
| 2130 | } |
| 2131 | } |
| 2132 | } |
| 2133 | |
| 2134 | /* add the nickname to the list */ |
| 2135 | nickArg->nickList = (nickArg->nNicks == 0) |
| 2136 | ? PORT_ArenaZNewArray(nickArg->arena, SECItem *, 2)(SECItem * *)PORT_ArenaZAlloc_Util(nickArg->arena, sizeof( SECItem *) * (2)) |
| 2137 | : PORT_ArenaGrowArray(nickArg->arena, nickArg->nickList, SECItem *,(SECItem * *)PORT_ArenaGrow_Util((nickArg->arena), (nickArg ->nickList), (nickArg->nNicks + 1) * sizeof(SECItem *), (nickArg->nNicks + 2) * sizeof(SECItem *)) |
| 2138 | nickArg->nNicks + 1, nickArg->nNicks + 2)(SECItem * *)PORT_ArenaGrow_Util((nickArg->arena), (nickArg ->nickList), (nickArg->nNicks + 1) * sizeof(SECItem *), (nickArg->nNicks + 2) * sizeof(SECItem *)); |
| 2139 | |
| 2140 | if (!nickArg->nickList) { |
| 2141 | nickArg->error = SEC_ERROR_NO_MEMORY; |
| 2142 | return SECFailure; |
| 2143 | } |
| 2144 | |
| 2145 | nickArg->nickList[nickArg->nNicks] = |
| 2146 | PORT_ArenaZNew(nickArg->arena, SECItem)(SECItem *)PORT_ArenaZAlloc_Util(nickArg->arena, sizeof(SECItem )); |
| 2147 | if (!nickArg->nickList[nickArg->nNicks]) { |
| 2148 | nickArg->error = PORT_GetErrorPORT_GetError_Util(); |
| 2149 | return SECFailure; |
| 2150 | } |
| 2151 | |
| 2152 | if (SECITEM_CopyItemSECITEM_CopyItem_Util(nickArg->arena, nickArg->nickList[nickArg->nNicks], |
| 2153 | &tempNick) != SECSuccess) { |
| 2154 | nickArg->error = PORT_GetErrorPORT_GetError_Util(); |
| 2155 | return SECFailure; |
| 2156 | } |
| 2157 | |
| 2158 | nickArg->nNicks++; |
| 2159 | |
| 2160 | return SECSuccess; |
| 2161 | } |
| 2162 | |
| 2163 | /* traverses the certs in the data base or in the token for the |
| 2164 | * DN to see if any certs currently have a nickname set. |
| 2165 | * If so, return it. |
| 2166 | */ |
| 2167 | static SECItem * |
| 2168 | sec_pkcs12_get_existing_nick_for_dn(sec_PKCS12SafeBag *cert) |
| 2169 | { |
| 2170 | struct certNickInfo *nickArg = NULL((void*)0); |
| 2171 | SECItem *derCert, *returnDn = NULL((void*)0); |
| 2172 | PLArenaPool *arena = NULL((void*)0); |
| 2173 | CERTCertificate *tempCert; |
| 2174 | |
| 2175 | if (!cert) { |
| 2176 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2177 | return NULL((void*)0); |
| 2178 | } |
| 2179 | |
| 2180 | derCert = sec_pkcs12_get_der_cert(cert); |
| 2181 | if (!derCert) { |
| 2182 | return NULL((void*)0); |
| 2183 | } |
| 2184 | |
| 2185 | tempCert = CERT_DecodeDERCertificate__CERT_DecodeDERCertificate(derCert, PR_FALSE0, NULL((void*)0)); |
| 2186 | if (!tempCert) { |
| 2187 | returnDn = NULL((void*)0); |
| 2188 | goto loser; |
| 2189 | } |
| 2190 | |
| 2191 | arena = PORT_NewArenaPORT_NewArena_Util(1024); |
| 2192 | if (!arena) { |
| 2193 | returnDn = NULL((void*)0); |
| 2194 | goto loser; |
| 2195 | } |
| 2196 | nickArg = PORT_ArenaZNew(arena, struct certNickInfo)(struct certNickInfo *)PORT_ArenaZAlloc_Util(arena, sizeof(struct certNickInfo)); |
| 2197 | if (!nickArg) { |
| 2198 | returnDn = NULL((void*)0); |
| 2199 | goto loser; |
| 2200 | } |
| 2201 | nickArg->error = 0; |
| 2202 | nickArg->nNicks = 0; |
| 2203 | nickArg->nickList = NULL((void*)0); |
| 2204 | nickArg->arena = arena; |
| 2205 | |
| 2206 | /* if the token is local, first traverse the cert database |
| 2207 | * then traverse the token. |
| 2208 | */ |
| 2209 | if (PK11_TraverseCertsForSubjectInSlot(tempCert, cert->slot, gatherNicknames, |
| 2210 | (void *)nickArg) != SECSuccess) { |
| 2211 | returnDn = NULL((void*)0); |
| 2212 | goto loser; |
| 2213 | } |
| 2214 | |
| 2215 | if (nickArg->error) { |
| 2216 | /* XXX do we want to set the error? */ |
| 2217 | returnDn = NULL((void*)0); |
| 2218 | goto loser; |
| 2219 | } |
| 2220 | |
| 2221 | if (nickArg->nNicks == 0) { |
| 2222 | returnDn = NULL((void*)0); |
| 2223 | goto loser; |
| 2224 | } |
| 2225 | |
| 2226 | /* set it to the first name, for now. handle multiple names? */ |
| 2227 | returnDn = SECITEM_DupItemSECITEM_DupItem_Util(nickArg->nickList[0]); |
| 2228 | |
| 2229 | loser: |
| 2230 | if (arena) { |
| 2231 | PORT_FreeArenaPORT_FreeArena_Util(arena, PR_TRUE1); |
| 2232 | } |
| 2233 | |
| 2234 | if (tempCert) { |
| 2235 | CERT_DestroyCertificate(tempCert); |
| 2236 | } |
| 2237 | |
| 2238 | if (derCert) { |
| 2239 | SECITEM_FreeItemSECITEM_FreeItem_Util(derCert, PR_TRUE1); |
| 2240 | } |
| 2241 | |
| 2242 | return (returnDn); |
| 2243 | } |
| 2244 | |
| 2245 | /* counts certificates found for a given traversal function */ |
| 2246 | static SECStatus |
| 2247 | countCertificate(CERTCertificate *cert, void *arg) |
| 2248 | { |
| 2249 | unsigned int *nCerts = (unsigned int *)arg; |
| 2250 | |
| 2251 | if (!cert || !arg) { |
| 2252 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2253 | return SECFailure; |
| 2254 | } |
| 2255 | |
| 2256 | (*nCerts)++; |
| 2257 | return SECSuccess; |
| 2258 | } |
| 2259 | |
| 2260 | static PRBool |
| 2261 | sec_pkcs12_certs_for_nickname_exist(SECItem *nickname, PK11SlotInfo *slot) |
| 2262 | { |
| 2263 | unsigned int nCerts = 0; |
| 2264 | |
| 2265 | if (!nickname || !slot) { |
| 2266 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2267 | return PR_TRUE1; |
| 2268 | } |
| 2269 | |
| 2270 | /* we want to check the local database first if we are importing to it */ |
| 2271 | PK11_TraverseCertsForNicknameInSlot(nickname, slot, countCertificate, |
| 2272 | (void *)&nCerts); |
| 2273 | return (PRBool)(nCerts != 0); |
| 2274 | } |
| 2275 | |
| 2276 | /* validate cert nickname such that there is a one-to-one relation |
| 2277 | * between nicknames and dn's. we want to enforce the case that the |
| 2278 | * nickname is non-NULL and that there is only one nickname per DN. |
| 2279 | * |
| 2280 | * if there is a problem with a nickname or the nickname is not present, |
| 2281 | * the user will be prompted for it. |
| 2282 | */ |
| 2283 | static void |
| 2284 | sec_pkcs12_validate_cert_nickname(sec_PKCS12SafeBag *cert, |
| 2285 | sec_PKCS12SafeBag *key, |
| 2286 | SEC_PKCS12NicknameCollisionCallback nicknameCb, |
| 2287 | CERTCertificate *leafCert) |
| 2288 | { |
| 2289 | SECItem *certNickname, *existingDNNick; |
| 2290 | PRBool setNickname = PR_FALSE0, cancel = PR_FALSE0; |
| 2291 | SECItem *newNickname = NULL((void*)0); |
| 2292 | |
| 2293 | if (!cert || !cert->hasKey) { |
| 2294 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2295 | return; |
| 2296 | } |
| 2297 | |
| 2298 | if (!nicknameCb) { |
| 2299 | cert->problem = PR_TRUE1; |
| 2300 | cert->error = SEC_ERROR_INVALID_ARGS; |
| 2301 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2302 | return; |
| 2303 | } |
| 2304 | |
| 2305 | if (cert->hasKey && !key) { |
| 2306 | cert->problem = PR_TRUE1; |
| 2307 | cert->error = SEC_ERROR_INVALID_ARGS; |
| 2308 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2309 | return; |
| 2310 | } |
| 2311 | |
| 2312 | certNickname = sec_pkcs12_get_nickname_for_cert(cert, key); |
| 2313 | existingDNNick = sec_pkcs12_get_existing_nick_for_dn(cert); |
| 2314 | |
| 2315 | /* nickname is already used w/ this dn, so it is safe to return */ |
| 2316 | if (certNickname && existingDNNick && |
| 2317 | SECITEM_CompareItemSECITEM_CompareItem_Util(certNickname, existingDNNick) == SECEqual) { |
| 2318 | goto loser; |
| 2319 | } |
| 2320 | |
| 2321 | /* nickname not set in pkcs 12 bags, but a nick is already used for |
| 2322 | * this dn. set the nicks in the p12 bags and finish. |
| 2323 | */ |
| 2324 | if (existingDNNick) { |
| 2325 | sec_pkcs12_set_nickname_for_cert(cert, key, existingDNNick); |
| 2326 | goto loser; |
| 2327 | } |
| 2328 | |
| 2329 | /* at this point, we have a certificate for which the DN is not located |
| 2330 | * on the token. the nickname specified may or may not be NULL. if it |
| 2331 | * is not null, we need to make sure that there are no other certificates |
| 2332 | * with this nickname in the token for it to be valid. this imposes a |
| 2333 | * one to one relationship between DN and nickname. |
| 2334 | * |
| 2335 | * if the nickname is null, we need the user to enter a nickname for |
| 2336 | * the certificate. |
| 2337 | * |
| 2338 | * once we have a nickname, we make sure that the nickname is unique |
| 2339 | * for the DN. if it is not, the user is reprompted to enter a new |
| 2340 | * nickname. |
| 2341 | * |
| 2342 | * in order to exit this loop, the nickname entered is either unique |
| 2343 | * or the user hits cancel and the certificate is not imported. |
| 2344 | */ |
| 2345 | setNickname = PR_FALSE0; |
| 2346 | while (1) { |
| 2347 | /* we will use the nickname so long as no other certs have the |
| 2348 | * same nickname. and the nickname is not NULL. |
| 2349 | */ |
| 2350 | if (certNickname && certNickname->data && |
| 2351 | !sec_pkcs12_certs_for_nickname_exist(certNickname, cert->slot)) { |
| 2352 | if (setNickname) { |
| 2353 | sec_pkcs12_set_nickname_for_cert(cert, key, certNickname); |
| 2354 | } |
| 2355 | break; |
| 2356 | } |
| 2357 | |
| 2358 | setNickname = PR_FALSE0; |
Value stored to 'setNickname' is never read | |
| 2359 | newNickname = (*nicknameCb)(certNickname, &cancel, leafCert); |
| 2360 | if (cancel) { |
| 2361 | cert->problem = PR_TRUE1; |
| 2362 | cert->error = SEC_ERROR_USER_CANCELLED; |
| 2363 | break; |
| 2364 | } |
| 2365 | |
| 2366 | if (!newNickname) { |
| 2367 | cert->problem = PR_TRUE1; |
| 2368 | cert->error = PORT_GetErrorPORT_GetError_Util(); |
| 2369 | break; |
| 2370 | } |
| 2371 | |
| 2372 | /* at this point we have a new nickname, if we have an existing |
| 2373 | * certNickname, we need to free it and assign the new nickname |
| 2374 | * to it to avoid a memory leak. happy? |
| 2375 | */ |
| 2376 | if (certNickname) { |
| 2377 | SECITEM_ZfreeItemSECITEM_ZfreeItem_Util(certNickname, PR_TRUE1); |
| 2378 | certNickname = NULL((void*)0); |
| 2379 | } |
| 2380 | |
| 2381 | certNickname = newNickname; |
| 2382 | setNickname = PR_TRUE1; |
| 2383 | /* go back and recheck the new nickname */ |
| 2384 | } |
| 2385 | |
| 2386 | loser: |
| 2387 | if (certNickname) { |
| 2388 | SECITEM_ZfreeItemSECITEM_ZfreeItem_Util(certNickname, PR_TRUE1); |
| 2389 | } |
| 2390 | |
| 2391 | if (existingDNNick) { |
| 2392 | SECITEM_ZfreeItemSECITEM_ZfreeItem_Util(existingDNNick, PR_TRUE1); |
| 2393 | } |
| 2394 | } |
| 2395 | |
| 2396 | static void |
| 2397 | sec_pkcs12_validate_cert(sec_PKCS12SafeBag *cert, |
| 2398 | sec_PKCS12SafeBag *key, |
| 2399 | SEC_PKCS12NicknameCollisionCallback nicknameCb) |
| 2400 | { |
| 2401 | CERTCertificate *leafCert; |
| 2402 | |
| 2403 | if (!cert) { |
| 2404 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2405 | return; |
| 2406 | } |
| 2407 | |
| 2408 | cert->validated = PR_TRUE1; |
| 2409 | |
| 2410 | if (!nicknameCb) { |
| 2411 | cert->noInstall = PR_TRUE1; |
| 2412 | cert->problem = PR_TRUE1; |
| 2413 | cert->error = SEC_ERROR_INVALID_ARGS; |
| 2414 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2415 | return; |
| 2416 | } |
| 2417 | |
| 2418 | if (!cert->safeBagContent.certBag) { |
| 2419 | cert->noInstall = PR_TRUE1; |
| 2420 | cert->problem = PR_TRUE1; |
| 2421 | cert->error = SEC_ERROR_PKCS12_CORRUPT_PFX_STRUCTURE; |
| 2422 | return; |
| 2423 | } |
| 2424 | |
| 2425 | cert->noInstall = PR_FALSE0; |
| 2426 | cert->unused = PR_FALSE0; |
| 2427 | cert->problem = PR_FALSE0; |
| 2428 | cert->error = 0; |
| 2429 | |
| 2430 | leafCert = CERT_DecodeDERCertificate__CERT_DecodeDERCertificate( |
| 2431 | &cert->safeBagContent.certBag->value.x509Cert, PR_FALSE0, NULL((void*)0)); |
| 2432 | if (!leafCert) { |
| 2433 | cert->noInstall = PR_TRUE1; |
| 2434 | cert->problem = PR_TRUE1; |
| 2435 | cert->error = PORT_GetErrorPORT_GetError_Util(); |
| 2436 | return; |
| 2437 | } |
| 2438 | |
| 2439 | sec_pkcs12_validate_cert_nickname(cert, key, nicknameCb, leafCert); |
| 2440 | |
| 2441 | CERT_DestroyCertificate(leafCert); |
| 2442 | } |
| 2443 | |
| 2444 | static void |
| 2445 | sec_pkcs12_validate_key_by_cert(sec_PKCS12SafeBag *cert, sec_PKCS12SafeBag *key, |
| 2446 | void *wincx) |
| 2447 | { |
| 2448 | CERTCertificate *leafCert; |
| 2449 | SECKEYPrivateKey *privk; |
| 2450 | |
| 2451 | if (!key) { |
| 2452 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2453 | return; |
| 2454 | } |
| 2455 | |
| 2456 | key->validated = PR_TRUE1; |
| 2457 | |
| 2458 | if (!cert) { |
| 2459 | key->problem = PR_TRUE1; |
| 2460 | key->noInstall = PR_TRUE1; |
| 2461 | key->error = SEC_ERROR_PKCS12_UNABLE_TO_IMPORT_KEY; |
| 2462 | return; |
| 2463 | } |
| 2464 | |
| 2465 | leafCert = CERT_DecodeDERCertificate__CERT_DecodeDERCertificate( |
| 2466 | &(cert->safeBagContent.certBag->value.x509Cert), PR_FALSE0, NULL((void*)0)); |
| 2467 | if (!leafCert) { |
| 2468 | key->problem = PR_TRUE1; |
| 2469 | key->noInstall = PR_TRUE1; |
| 2470 | key->error = PORT_GetErrorPORT_GetError_Util(); |
| 2471 | return; |
| 2472 | } |
| 2473 | |
| 2474 | privk = PK11_FindPrivateKeyFromCert(key->slot, leafCert, wincx); |
| 2475 | if (!privk) { |
| 2476 | privk = PK11_FindKeyByDERCert(key->slot, leafCert, wincx); |
| 2477 | } |
| 2478 | |
| 2479 | if (privk) { |
| 2480 | SECKEY_DestroyPrivateKey(privk); |
| 2481 | key->noInstall = PR_TRUE1; |
| 2482 | } |
| 2483 | |
| 2484 | CERT_DestroyCertificate(leafCert); |
| 2485 | } |
| 2486 | |
| 2487 | static SECStatus |
| 2488 | sec_pkcs12_add_cert(sec_PKCS12SafeBag *cert, PRBool keyExists, void *wincx) |
| 2489 | { |
| 2490 | SECItem *derCert, *nickName; |
| 2491 | char *nickData = NULL((void*)0); |
| 2492 | PRBool isIntermediateCA; |
| 2493 | SECStatus rv; |
| 2494 | |
| 2495 | if (!cert) { |
| 2496 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2497 | return SECFailure; |
| 2498 | } |
| 2499 | |
| 2500 | if (cert->problem || cert->noInstall || cert->installed) { |
| 2501 | return SECSuccess; |
| 2502 | } |
| 2503 | |
| 2504 | derCert = &cert->safeBagContent.certBag->value.x509Cert; |
| 2505 | |
| 2506 | PORT_Assert(!cert->problem && !cert->noInstall)((!cert->problem && !cert->noInstall) ? ((void) 0) : PR_Assert("!cert->problem && !cert->noInstall" , "/root/firefox-clang/security/nss/lib/pkcs12/p12d.c", 2506) ); |
| 2507 | |
| 2508 | nickName = sec_pkcs12_get_nickname(cert); |
| 2509 | if (nickName) { |
| 2510 | nickData = (char *)nickName->data; |
| 2511 | } |
| 2512 | |
| 2513 | isIntermediateCA = CERT_IsCADERCert(derCert, NULL((void*)0)) && |
| 2514 | !CERT_IsRootDERCert(derCert); |
| 2515 | |
| 2516 | if (keyExists) { |
| 2517 | CERTCertificate *newCert; |
| 2518 | |
| 2519 | newCert = CERT_NewTempCertificate(CERT_GetDefaultCertDB(), |
| 2520 | derCert, NULL((void*)0), PR_FALSE0, PR_FALSE0); |
| 2521 | if (!newCert) { |
| 2522 | if (nickName) |
| 2523 | SECITEM_ZfreeItemSECITEM_ZfreeItem_Util(nickName, PR_TRUE1); |
| 2524 | cert->error = PORT_GetErrorPORT_GetError_Util(); |
| 2525 | cert->problem = PR_TRUE1; |
| 2526 | return SECFailure; |
| 2527 | } |
| 2528 | |
| 2529 | rv = PK11_ImportCertForKeyToSlot(cert->slot, newCert, nickData, |
| 2530 | PR_TRUE1, wincx); |
| 2531 | CERT_DestroyCertificate(newCert); |
| 2532 | } else if ((cert->tokenCAs == SECPKCS12TargetTokenNoCAs) || |
| 2533 | ((cert->tokenCAs == SECPKCS12TargetTokenIntermediateCAs) && |
| 2534 | !isIntermediateCA)) { |
| 2535 | SECItem *certList[2]; |
| 2536 | certList[0] = derCert; |
| 2537 | certList[1] = NULL((void*)0); |
| 2538 | |
| 2539 | rv = CERT_ImportCerts(CERT_GetDefaultCertDB(), certUsageUserCertImport, |
| 2540 | 1, certList, NULL((void*)0), PR_TRUE1, PR_FALSE0, nickData); |
| 2541 | } else { |
| 2542 | rv = PK11_ImportDERCert(cert->slot, derCert, CK_INVALID_HANDLE0, |
| 2543 | nickData, PR_FALSE0); |
| 2544 | } |
| 2545 | if (rv) { |
| 2546 | cert->problem = 1; |
| 2547 | cert->error = PORT_GetErrorPORT_GetError_Util(); |
| 2548 | } |
| 2549 | cert->installed = PR_TRUE1; |
| 2550 | if (nickName) |
| 2551 | SECITEM_ZfreeItemSECITEM_ZfreeItem_Util(nickName, PR_TRUE1); |
| 2552 | return rv; |
| 2553 | } |
| 2554 | |
| 2555 | static const SECItem * |
| 2556 | sec_pkcs12_get_public_value_and_type(const SECKEYPublicKey *pubKey, |
| 2557 | KeyType *type); |
| 2558 | |
| 2559 | static SECStatus |
| 2560 | sec_pkcs12_add_key(sec_PKCS12SafeBag *key, SECKEYPublicKey *pubKey, |
| 2561 | unsigned int keyUsage, |
| 2562 | SECItem *nickName, PRBool forceUnicode, void *wincx) |
| 2563 | { |
| 2564 | SECStatus rv; |
| 2565 | const SECItem *publicValue = NULL((void*)0); |
| 2566 | KeyType keyType; |
| 2567 | |
| 2568 | /* We should always have values for "key" and "pubKey" |
| 2569 | so they can be dereferenced later. */ |
| 2570 | if (!key || !pubKey) { |
| 2571 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2572 | return SECFailure; |
| 2573 | } |
| 2574 | |
| 2575 | if (key->problem || key->noInstall) { |
| 2576 | return SECSuccess; |
| 2577 | } |
| 2578 | |
| 2579 | /* get the value and type from the public key */ |
| 2580 | publicValue = sec_pkcs12_get_public_value_and_type(pubKey, &keyType); |
| 2581 | if (!publicValue) { |
| 2582 | key->error = SEC_ERROR_PKCS12_UNABLE_TO_IMPORT_KEY; |
| 2583 | key->problem = PR_TRUE1; |
| 2584 | return SECFailure; |
| 2585 | } |
| 2586 | |
| 2587 | switch (SECOID_FindOIDTagSECOID_FindOIDTag_Util(&key->safeBagType)) { |
| 2588 | case SEC_OID_PKCS12_V1_KEY_BAG_ID: |
| 2589 | rv = PK11_ImportPrivateKeyInfo(key->slot, |
| 2590 | key->safeBagContent.pkcs8KeyBag, |
| 2591 | nickName, publicValue, PR_TRUE1, PR_TRUE1, |
| 2592 | keyUsage, wincx); |
| 2593 | break; |
| 2594 | case SEC_OID_PKCS12_V1_PKCS8_SHROUDED_KEY_BAG_ID: { |
| 2595 | SECItem pwitem = { 0 }; |
| 2596 | SECAlgorithmID *algid = |
| 2597 | &key->safeBagContent.pkcs8ShroudedKeyBag->algorithm; |
| 2598 | SECOidTag algorithm = SECOID_GetAlgorithmTagSECOID_GetAlgorithmTag_Util(algid); |
| 2599 | |
| 2600 | if (!SEC_PKCS12DecryptionAllowed(algid)) { |
| 2601 | key->error = SEC_ERROR_BAD_EXPORT_ALGORITHM; |
| 2602 | key->problem = PR_TRUE1; |
| 2603 | return SECFailure; |
| 2604 | } |
| 2605 | |
| 2606 | if (forceUnicode) { |
| 2607 | if (SECITEM_CopyItemSECITEM_CopyItem_Util(NULL((void*)0), &pwitem, key->pwitem) != SECSuccess) { |
| 2608 | key->error = SEC_ERROR_PKCS12_UNABLE_TO_IMPORT_KEY; |
| 2609 | key->problem = PR_TRUE1; |
| 2610 | return SECFailure; |
| 2611 | } |
| 2612 | } else { |
| 2613 | if (!sec_pkcs12_decode_password(NULL((void*)0), &pwitem, algorithm, |
| 2614 | key->pwitem)) { |
| 2615 | key->error = SEC_ERROR_PKCS12_UNABLE_TO_IMPORT_KEY; |
| 2616 | key->problem = PR_TRUE1; |
| 2617 | return SECFailure; |
| 2618 | } |
| 2619 | } |
| 2620 | |
| 2621 | rv = PK11_ImportEncryptedPrivateKeyInfo(key->slot, |
| 2622 | key->safeBagContent.pkcs8ShroudedKeyBag, |
| 2623 | &pwitem, nickName, publicValue, |
| 2624 | PR_TRUE1, PR_TRUE1, keyType, keyUsage, |
| 2625 | wincx); |
| 2626 | if (pwitem.data) { |
| 2627 | SECITEM_ZfreeItemSECITEM_ZfreeItem_Util(&pwitem, PR_FALSE0); |
| 2628 | } |
| 2629 | break; |
| 2630 | } |
| 2631 | default: |
| 2632 | key->error = SEC_ERROR_PKCS12_UNSUPPORTED_VERSION; |
| 2633 | key->problem = PR_TRUE1; |
| 2634 | if (nickName) { |
| 2635 | SECITEM_ZfreeItemSECITEM_ZfreeItem_Util(nickName, PR_TRUE1); |
| 2636 | } |
| 2637 | return SECFailure; |
| 2638 | } |
| 2639 | |
| 2640 | if (rv != SECSuccess) { |
| 2641 | key->error = SEC_ERROR_PKCS12_UNABLE_TO_IMPORT_KEY; |
| 2642 | key->problem = PR_TRUE1; |
| 2643 | } else { |
| 2644 | /* try to import the public key. Failure to do so is not fatal, |
| 2645 | * not all tokens can store the public key */ |
| 2646 | if (pubKey) { |
| 2647 | PK11_ImportPublicKey(key->slot, pubKey, PR_TRUE1); |
| 2648 | } |
| 2649 | key->installed = PR_TRUE1; |
| 2650 | } |
| 2651 | |
| 2652 | return rv; |
| 2653 | } |
| 2654 | |
| 2655 | /* |
| 2656 | * The correctness of the code in this file ABSOLUTELY REQUIRES |
| 2657 | * that ALL BAGs share a single common arena. |
| 2658 | * |
| 2659 | * This function allocates the bag list from the arena of whatever bag |
| 2660 | * happens to be passed to it. Each time a new bag is handed to it, |
| 2661 | * it grows (resizes) the arena of the bag that was handed to it. |
| 2662 | * If the bags have different arenas, it will grow the wrong arena. |
| 2663 | * |
| 2664 | * Worse, if the bags had separate arenas, then while destroying the bags |
| 2665 | * in a bag list, when the bag whose arena contained the bag list was |
| 2666 | * destroyed, the baglist itself would be destroyed, making it difficult |
| 2667 | * or impossible to continue to destroy the bags in the destroyed list. |
| 2668 | */ |
| 2669 | static SECStatus |
| 2670 | sec_pkcs12_add_item_to_bag_list(sec_PKCS12SafeBag ***bagList, |
| 2671 | sec_PKCS12SafeBag *bag) |
| 2672 | { |
| 2673 | sec_PKCS12SafeBag **newBagList = NULL((void*)0); |
| 2674 | int i = 0; |
| 2675 | |
| 2676 | if (!bagList || !bag) { |
| 2677 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2678 | return SECFailure; |
| 2679 | } |
| 2680 | |
| 2681 | if (!(*bagList)) { |
| 2682 | newBagList = PORT_ArenaZNewArray(bag->arena, sec_PKCS12SafeBag *, 2)(sec_PKCS12SafeBag * *)PORT_ArenaZAlloc_Util(bag->arena, sizeof (sec_PKCS12SafeBag *) * (2)); |
| 2683 | } else { |
| 2684 | while ((*bagList)[i]) |
| 2685 | i++; |
| 2686 | newBagList = PORT_ArenaGrowArray(bag->arena, *bagList,(sec_PKCS12SafeBag * *)PORT_ArenaGrow_Util((bag->arena), ( *bagList), (i + 1) * sizeof(sec_PKCS12SafeBag *), (i + 2) * sizeof (sec_PKCS12SafeBag *)) |
| 2687 | sec_PKCS12SafeBag *, i + 1, i + 2)(sec_PKCS12SafeBag * *)PORT_ArenaGrow_Util((bag->arena), ( *bagList), (i + 1) * sizeof(sec_PKCS12SafeBag *), (i + 2) * sizeof (sec_PKCS12SafeBag *)); |
| 2688 | } |
| 2689 | |
| 2690 | if (!newBagList) { |
| 2691 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_NO_MEMORY); |
| 2692 | return SECFailure; |
| 2693 | } |
| 2694 | |
| 2695 | newBagList[i] = bag; |
| 2696 | newBagList[i + 1] = NULL((void*)0); |
| 2697 | *bagList = newBagList; |
| 2698 | |
| 2699 | return SECSuccess; |
| 2700 | } |
| 2701 | |
| 2702 | static sec_PKCS12SafeBag ** |
| 2703 | sec_pkcs12_find_certs_for_key(sec_PKCS12SafeBag **safeBags, |
| 2704 | sec_PKCS12SafeBag *key) |
| 2705 | { |
| 2706 | sec_PKCS12SafeBag **certList = NULL((void*)0); |
| 2707 | SECItem *keyId; |
| 2708 | int i; |
| 2709 | |
| 2710 | if (!safeBags || !safeBags[0]) { |
| 2711 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2712 | return NULL((void*)0); |
| 2713 | } |
| 2714 | |
| 2715 | keyId = sec_pkcs12_get_attribute_value(key, SEC_OID_PKCS9_LOCAL_KEY_ID); |
| 2716 | if (!keyId) { |
| 2717 | return NULL((void*)0); |
| 2718 | } |
| 2719 | |
| 2720 | for (i = 0; safeBags[i]; i++) { |
| 2721 | if (SECOID_FindOIDTagSECOID_FindOIDTag_Util(&(safeBags[i]->safeBagType)) == SEC_OID_PKCS12_V1_CERT_BAG_ID) { |
| 2722 | SECItem *certKeyId = sec_pkcs12_get_attribute_value(safeBags[i], |
| 2723 | SEC_OID_PKCS9_LOCAL_KEY_ID); |
| 2724 | |
| 2725 | if (certKeyId && (SECITEM_CompareItemSECITEM_CompareItem_Util(certKeyId, keyId) == SECEqual)) { |
| 2726 | if (sec_pkcs12_add_item_to_bag_list(&certList, safeBags[i]) != SECSuccess) { |
| 2727 | /* This would leak the partial list of safeBags, |
| 2728 | * but that list is allocated from the arena of |
| 2729 | * one of the safebags, and will be destroyed when |
| 2730 | * that arena is destroyed. So this is not a real leak. |
| 2731 | */ |
| 2732 | return NULL((void*)0); |
| 2733 | } |
| 2734 | } |
| 2735 | } |
| 2736 | } |
| 2737 | |
| 2738 | return certList; |
| 2739 | } |
| 2740 | |
| 2741 | CERTCertList * |
| 2742 | SEC_PKCS12DecoderGetCerts(SEC_PKCS12DecoderContext *p12dcx) |
| 2743 | { |
| 2744 | CERTCertList *certList = NULL((void*)0); |
| 2745 | sec_PKCS12SafeBag **safeBags; |
| 2746 | int i; |
| 2747 | |
| 2748 | if (!p12dcx || p12dcx->error || !p12dcx->safeBags || !p12dcx->safeBags[0]) { |
| 2749 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2750 | return NULL((void*)0); |
| 2751 | } |
| 2752 | |
| 2753 | safeBags = p12dcx->safeBags; |
| 2754 | certList = CERT_NewCertList(); |
| 2755 | |
| 2756 | if (certList == NULL((void*)0)) { |
| 2757 | return NULL((void*)0); |
| 2758 | } |
| 2759 | |
| 2760 | for (i = 0; safeBags[i]; i++) { |
| 2761 | if (SECOID_FindOIDTagSECOID_FindOIDTag_Util(&(safeBags[i]->safeBagType)) == SEC_OID_PKCS12_V1_CERT_BAG_ID) { |
| 2762 | SECItem *derCert = sec_pkcs12_get_der_cert(safeBags[i]); |
| 2763 | CERTCertificate *tempCert = NULL((void*)0); |
| 2764 | |
| 2765 | if (derCert == NULL((void*)0)) |
| 2766 | continue; |
| 2767 | tempCert = CERT_NewTempCertificate(CERT_GetDefaultCertDB(), |
| 2768 | derCert, NULL((void*)0), |
| 2769 | PR_FALSE0, PR_TRUE1); |
| 2770 | |
| 2771 | if (tempCert) { |
| 2772 | CERT_AddCertToListTail(certList, tempCert); |
| 2773 | } |
| 2774 | SECITEM_FreeItemSECITEM_FreeItem_Util(derCert, PR_TRUE1); |
| 2775 | } |
| 2776 | /* fixed an infinite loop here, by ensuring that i gets incremented |
| 2777 | * if derCert is NULL above. |
| 2778 | */ |
| 2779 | } |
| 2780 | |
| 2781 | return certList; |
| 2782 | } |
| 2783 | static sec_PKCS12SafeBag ** |
| 2784 | sec_pkcs12_get_key_bags(sec_PKCS12SafeBag **safeBags) |
| 2785 | { |
| 2786 | int i; |
| 2787 | sec_PKCS12SafeBag **keyList = NULL((void*)0); |
| 2788 | SECOidTag bagType; |
| 2789 | |
| 2790 | if (!safeBags || !safeBags[0]) { |
| 2791 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2792 | return NULL((void*)0); |
| 2793 | } |
| 2794 | |
| 2795 | for (i = 0; safeBags[i]; i++) { |
| 2796 | bagType = SECOID_FindOIDTagSECOID_FindOIDTag_Util(&(safeBags[i]->safeBagType)); |
| 2797 | switch (bagType) { |
| 2798 | case SEC_OID_PKCS12_V1_KEY_BAG_ID: |
| 2799 | case SEC_OID_PKCS12_V1_PKCS8_SHROUDED_KEY_BAG_ID: |
| 2800 | if (sec_pkcs12_add_item_to_bag_list(&keyList, safeBags[i]) != SECSuccess) { |
| 2801 | /* This would leak, except that keyList is allocated |
| 2802 | * from the arena shared by all the safeBags. |
| 2803 | */ |
| 2804 | return NULL((void*)0); |
| 2805 | } |
| 2806 | break; |
| 2807 | default: |
| 2808 | break; |
| 2809 | } |
| 2810 | } |
| 2811 | |
| 2812 | return keyList; |
| 2813 | } |
| 2814 | |
| 2815 | /* This function takes two passes over the bags, validating them |
| 2816 | * The two passes are intended to mirror exactly the two passes in |
| 2817 | * sec_pkcs12_install_bags. But they don't. :( |
| 2818 | */ |
| 2819 | static SECStatus |
| 2820 | sec_pkcs12_validate_bags(sec_PKCS12SafeBag **safeBags, |
| 2821 | SEC_PKCS12NicknameCollisionCallback nicknameCb, |
| 2822 | void *wincx) |
| 2823 | { |
| 2824 | sec_PKCS12SafeBag **keyList; |
| 2825 | int i; |
| 2826 | |
| 2827 | if (!safeBags || !nicknameCb) { |
| 2828 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2829 | return SECFailure; |
| 2830 | } |
| 2831 | |
| 2832 | if (!safeBags[0]) { |
| 2833 | return SECSuccess; |
| 2834 | } |
| 2835 | |
| 2836 | /* First pass. Find all the key bags. |
| 2837 | * Find the matching cert(s) for each key. |
| 2838 | */ |
| 2839 | keyList = sec_pkcs12_get_key_bags(safeBags); |
| 2840 | if (keyList) { |
| 2841 | for (i = 0; keyList[i]; ++i) { |
| 2842 | sec_PKCS12SafeBag *key = keyList[i]; |
| 2843 | sec_PKCS12SafeBag **certList = |
| 2844 | sec_pkcs12_find_certs_for_key(safeBags, key); |
| 2845 | |
| 2846 | if (certList) { |
| 2847 | int j; |
| 2848 | |
| 2849 | if (SECOID_FindOIDTagSECOID_FindOIDTag_Util(&(key->safeBagType)) == |
| 2850 | SEC_OID_PKCS12_V1_KEY_BAG_ID) { |
| 2851 | /* if it is an unencrypted private key then make sure |
| 2852 | * the attributes are propageted to the appropriate |
| 2853 | * level |
| 2854 | */ |
| 2855 | if (sec_pkcs12_get_key_info(key) != SECSuccess) { |
| 2856 | return SECFailure; |
| 2857 | } |
| 2858 | } |
| 2859 | |
| 2860 | sec_pkcs12_validate_key_by_cert(certList[0], key, wincx); |
| 2861 | for (j = 0; certList[j]; ++j) { |
| 2862 | sec_PKCS12SafeBag *cert = certList[j]; |
| 2863 | cert->hasKey = PR_TRUE1; |
| 2864 | if (key->problem) { |
| 2865 | cert->problem = PR_TRUE1; |
| 2866 | cert->error = key->error; |
| 2867 | continue; |
| 2868 | } |
| 2869 | sec_pkcs12_validate_cert(cert, key, nicknameCb); |
| 2870 | if (cert->problem) { |
| 2871 | key->problem = cert->problem; |
| 2872 | key->error = cert->error; |
| 2873 | } |
| 2874 | } |
| 2875 | } |
| 2876 | } |
| 2877 | } |
| 2878 | |
| 2879 | /* Now take a second pass over the safebags and mark for installation any |
| 2880 | * certs that were neither installed nor disqualified by the first pass. |
| 2881 | */ |
| 2882 | for (i = 0; safeBags[i]; ++i) { |
| 2883 | sec_PKCS12SafeBag *bag = safeBags[i]; |
| 2884 | |
| 2885 | if (!bag->validated) { |
| 2886 | SECOidTag bagType = SECOID_FindOIDTagSECOID_FindOIDTag_Util(&bag->safeBagType); |
| 2887 | |
| 2888 | switch (bagType) { |
| 2889 | case SEC_OID_PKCS12_V1_CERT_BAG_ID: |
| 2890 | sec_pkcs12_validate_cert(bag, NULL((void*)0), nicknameCb); |
| 2891 | break; |
| 2892 | case SEC_OID_PKCS12_V1_KEY_BAG_ID: |
| 2893 | case SEC_OID_PKCS12_V1_PKCS8_SHROUDED_KEY_BAG_ID: |
| 2894 | bag->noInstall = PR_TRUE1; |
| 2895 | bag->problem = PR_TRUE1; |
| 2896 | bag->error = SEC_ERROR_PKCS12_UNABLE_TO_IMPORT_KEY; |
| 2897 | break; |
| 2898 | default: |
| 2899 | bag->noInstall = PR_TRUE1; |
| 2900 | } |
| 2901 | } |
| 2902 | } |
| 2903 | |
| 2904 | return SECSuccess; |
| 2905 | } |
| 2906 | |
| 2907 | SECStatus |
| 2908 | SEC_PKCS12DecoderValidateBags(SEC_PKCS12DecoderContext *p12dcx, |
| 2909 | SEC_PKCS12NicknameCollisionCallback nicknameCb) |
| 2910 | { |
| 2911 | SECStatus rv; |
| 2912 | int i, probCnt, errorVal = 0; |
| 2913 | if (!p12dcx || p12dcx->error || !p12dcx->safeBags) { |
| 2914 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2915 | return SECFailure; |
| 2916 | } |
| 2917 | |
| 2918 | rv = sec_pkcs12_validate_bags(p12dcx->safeBags, nicknameCb, p12dcx->wincx); |
| 2919 | if (rv == SECSuccess) { |
| 2920 | p12dcx->bagsVerified = PR_TRUE1; |
| 2921 | } |
| 2922 | |
| 2923 | probCnt = 0; |
| 2924 | i = 0; |
| 2925 | while (p12dcx->safeBags[i]) { |
| 2926 | if (p12dcx->safeBags[i]->problem) { |
| 2927 | probCnt++; |
| 2928 | errorVal = p12dcx->safeBags[i]->error; |
| 2929 | } |
| 2930 | i++; |
| 2931 | } |
| 2932 | |
| 2933 | if (probCnt) { |
| 2934 | PORT_SetErrorPORT_SetError_Util(errorVal); |
| 2935 | return SECFailure; |
| 2936 | } |
| 2937 | |
| 2938 | return rv; |
| 2939 | } |
| 2940 | |
| 2941 | SECStatus |
| 2942 | SEC_PKCS12DecoderRenameCertNicknames(SEC_PKCS12DecoderContext *p12dcx, |
| 2943 | SEC_PKCS12NicknameRenameCallback nicknameCb, |
| 2944 | void *arg) |
| 2945 | { |
| 2946 | int i; |
| 2947 | sec_PKCS12SafeBag *safeBag; |
| 2948 | CERTCertificate *cert; |
| 2949 | SECStatus srv; |
| 2950 | |
| 2951 | if (!p12dcx || p12dcx->error || !p12dcx->safeBags || !nicknameCb) { |
| 2952 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 2953 | return SECFailure; |
| 2954 | } |
| 2955 | |
| 2956 | for (i = 0; (safeBag = p12dcx->safeBags[i]); i++) { |
| 2957 | SECItem *newNickname = NULL((void*)0); |
| 2958 | SECItem *defaultNickname = NULL((void*)0); |
| 2959 | SECStatus rename_rv; |
| 2960 | |
| 2961 | if (SECOID_FindOIDTagSECOID_FindOIDTag_Util(&(safeBag->safeBagType)) != |
| 2962 | SEC_OID_PKCS12_V1_CERT_BAG_ID) { |
| 2963 | continue; |
| 2964 | } |
| 2965 | |
| 2966 | cert = CERT_DecodeDERCertificate__CERT_DecodeDERCertificate( |
| 2967 | &safeBag->safeBagContent.certBag->value.x509Cert, |
| 2968 | PR_FALSE0, NULL((void*)0)); |
| 2969 | if (!cert) { |
| 2970 | return SECFailure; |
| 2971 | } |
| 2972 | |
| 2973 | defaultNickname = sec_pkcs12_get_nickname(safeBag); |
| 2974 | rename_rv = (*nicknameCb)(cert, defaultNickname, &newNickname, arg); |
| 2975 | |
| 2976 | CERT_DestroyCertificate(cert); |
| 2977 | |
| 2978 | if (defaultNickname) { |
| 2979 | SECITEM_ZfreeItemSECITEM_ZfreeItem_Util(defaultNickname, PR_TRUE1); |
| 2980 | defaultNickname = NULL((void*)0); |
| 2981 | } |
| 2982 | |
| 2983 | if (rename_rv != SECSuccess) { |
| 2984 | return rename_rv; |
| 2985 | } |
| 2986 | |
| 2987 | if (newNickname) { |
| 2988 | srv = sec_pkcs12_set_nickname(safeBag, newNickname); |
| 2989 | SECITEM_ZfreeItemSECITEM_ZfreeItem_Util(newNickname, PR_TRUE1); |
| 2990 | newNickname = NULL((void*)0); |
| 2991 | if (srv != SECSuccess) { |
| 2992 | return SECFailure; |
| 2993 | } |
| 2994 | } |
| 2995 | } |
| 2996 | |
| 2997 | return SECSuccess; |
| 2998 | } |
| 2999 | |
| 3000 | static SECKEYPublicKey * |
| 3001 | sec_pkcs12_get_public_key_and_usage(sec_PKCS12SafeBag *certBag, |
| 3002 | unsigned int *usage) |
| 3003 | { |
| 3004 | SECKEYPublicKey *pubKey = NULL((void*)0); |
| 3005 | CERTCertificate *cert = NULL((void*)0); |
| 3006 | |
| 3007 | if (!certBag || !usage) { |
| 3008 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 3009 | return NULL((void*)0); |
| 3010 | } |
| 3011 | |
| 3012 | *usage = 0; |
| 3013 | |
| 3014 | cert = CERT_DecodeDERCertificate__CERT_DecodeDERCertificate( |
| 3015 | &certBag->safeBagContent.certBag->value.x509Cert, PR_FALSE0, NULL((void*)0)); |
| 3016 | if (!cert) { |
| 3017 | return NULL((void*)0); |
| 3018 | } |
| 3019 | |
| 3020 | *usage = cert->keyUsage; |
| 3021 | pubKey = CERT_ExtractPublicKey(cert); |
| 3022 | CERT_DestroyCertificate(cert); |
| 3023 | return pubKey; |
| 3024 | } |
| 3025 | |
| 3026 | static const SECItem * |
| 3027 | sec_pkcs12_get_public_value_and_type(const SECKEYPublicKey *pubKey, |
| 3028 | KeyType *type) |
| 3029 | { |
| 3030 | |
| 3031 | if (!type || !pubKey) { |
| 3032 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 3033 | return NULL((void*)0); |
| 3034 | } |
| 3035 | |
| 3036 | *type = pubKey->keyType; |
| 3037 | return PK11_GetPublicValueFromPublicKey(pubKey); |
| 3038 | } |
| 3039 | |
| 3040 | /* This function takes two passes over the bags, installing them in the |
| 3041 | * desired slot. The two passes are intended to mirror exactly the |
| 3042 | * two passes in sec_pkcs12_validate_bags. |
| 3043 | */ |
| 3044 | static SECStatus |
| 3045 | sec_pkcs12_install_bags(sec_PKCS12SafeBag **safeBags, PRBool forceUnicode, |
| 3046 | void *wincx) |
| 3047 | { |
| 3048 | sec_PKCS12SafeBag **keyList; |
| 3049 | int i; |
| 3050 | int failedKeys = 0; |
| 3051 | |
| 3052 | if (!safeBags) { |
| 3053 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 3054 | return SECFailure; |
| 3055 | } |
| 3056 | |
| 3057 | if (!safeBags[0]) { |
| 3058 | return SECSuccess; |
| 3059 | } |
| 3060 | |
| 3061 | /* First pass. Find all the key bags. |
| 3062 | * Try to install them, and any certs associated with them. |
| 3063 | */ |
| 3064 | keyList = sec_pkcs12_get_key_bags(safeBags); |
| 3065 | if (keyList) { |
| 3066 | for (i = 0; keyList[i]; i++) { |
| 3067 | SECStatus rv; |
| 3068 | SECKEYPublicKey *pubKey = NULL((void*)0); |
| 3069 | SECItem *nickName = NULL((void*)0); |
| 3070 | sec_PKCS12SafeBag *key = keyList[i]; |
| 3071 | sec_PKCS12SafeBag **certList; |
| 3072 | unsigned int keyUsage; |
| 3073 | |
| 3074 | if (key->problem) { |
| 3075 | ++failedKeys; |
| 3076 | continue; |
| 3077 | } |
| 3078 | |
| 3079 | certList = sec_pkcs12_find_certs_for_key(safeBags, key); |
| 3080 | if (certList && certList[0]) { |
| 3081 | pubKey = sec_pkcs12_get_public_key_and_usage(certList[0], |
| 3082 | &keyUsage); |
| 3083 | /* use the cert's nickname, if it has one, else use the |
| 3084 | * key's nickname, else fail. |
| 3085 | */ |
| 3086 | nickName = sec_pkcs12_get_nickname_for_cert(certList[0], key); |
| 3087 | } else { |
| 3088 | nickName = sec_pkcs12_get_nickname(key); |
| 3089 | } |
| 3090 | if (!nickName) { |
| 3091 | key->error = SEC_ERROR_BAD_NICKNAME; |
| 3092 | key->problem = PR_TRUE1; |
| 3093 | rv = SECFailure; |
| 3094 | } else if (!pubKey) { |
| 3095 | key->error = SEC_ERROR_PKCS12_UNABLE_TO_IMPORT_KEY; |
| 3096 | key->problem = PR_TRUE1; |
| 3097 | rv = SECFailure; |
| 3098 | } else { |
| 3099 | rv = sec_pkcs12_add_key(key, pubKey, keyUsage, nickName, |
| 3100 | forceUnicode, wincx); |
| 3101 | } |
| 3102 | if (pubKey) { |
| 3103 | SECKEY_DestroyPublicKey(pubKey); |
| 3104 | pubKey = NULL((void*)0); |
| 3105 | } |
| 3106 | if (nickName) { |
| 3107 | SECITEM_FreeItemSECITEM_FreeItem_Util(nickName, PR_TRUE1); |
| 3108 | nickName = NULL((void*)0); |
| 3109 | } |
| 3110 | if (rv != SECSuccess) { |
| 3111 | PORT_SetErrorPORT_SetError_Util(key->error); |
| 3112 | ++failedKeys; |
| 3113 | } |
| 3114 | |
| 3115 | if (certList) { |
| 3116 | int j; |
| 3117 | |
| 3118 | for (j = 0; certList[j]; j++) { |
| 3119 | sec_PKCS12SafeBag *cert = certList[j]; |
| 3120 | SECStatus certRv; |
| 3121 | |
| 3122 | if (!cert) |
| 3123 | continue; |
| 3124 | if (rv != SECSuccess) { |
| 3125 | cert->problem = key->problem; |
| 3126 | cert->error = key->error; |
| 3127 | cert->noInstall = PR_TRUE1; |
| 3128 | continue; |
| 3129 | } |
| 3130 | |
| 3131 | certRv = sec_pkcs12_add_cert(cert, cert->hasKey, wincx); |
| 3132 | if (certRv != SECSuccess) { |
| 3133 | key->problem = cert->problem; |
| 3134 | key->error = cert->error; |
| 3135 | PORT_SetErrorPORT_SetError_Util(cert->error); |
| 3136 | return SECFailure; |
| 3137 | } |
| 3138 | } |
| 3139 | } |
| 3140 | } |
| 3141 | } |
| 3142 | if (failedKeys) |
| 3143 | return SECFailure; |
| 3144 | |
| 3145 | /* Now take a second pass over the safebags and install any certs |
| 3146 | * that were neither installed nor disqualified by the first pass. |
| 3147 | */ |
| 3148 | for (i = 0; safeBags[i]; i++) { |
| 3149 | sec_PKCS12SafeBag *bag = safeBags[i]; |
| 3150 | |
| 3151 | if (!bag->installed && !bag->problem && !bag->noInstall) { |
| 3152 | SECStatus rv; |
| 3153 | SECOidTag bagType = SECOID_FindOIDTagSECOID_FindOIDTag_Util(&(bag->safeBagType)); |
| 3154 | |
| 3155 | switch (bagType) { |
| 3156 | case SEC_OID_PKCS12_V1_CERT_BAG_ID: |
| 3157 | rv = sec_pkcs12_add_cert(bag, bag->hasKey, wincx); |
| 3158 | if (rv != SECSuccess) { |
| 3159 | PORT_SetErrorPORT_SetError_Util(bag->error); |
| 3160 | return SECFailure; |
| 3161 | } |
| 3162 | break; |
| 3163 | case SEC_OID_PKCS12_V1_KEY_BAG_ID: |
| 3164 | case SEC_OID_PKCS12_V1_PKCS8_SHROUDED_KEY_BAG_ID: |
| 3165 | default: |
| 3166 | break; |
| 3167 | } |
| 3168 | } |
| 3169 | } |
| 3170 | |
| 3171 | return SECSuccess; |
| 3172 | } |
| 3173 | |
| 3174 | SECStatus |
| 3175 | SEC_PKCS12DecoderImportBags(SEC_PKCS12DecoderContext *p12dcx) |
| 3176 | { |
| 3177 | PRBool forceUnicode = PR_FALSE0; |
| 3178 | SECStatus rv; |
| 3179 | |
| 3180 | if (!p12dcx || p12dcx->error) { |
| 3181 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 3182 | return SECFailure; |
| 3183 | } |
| 3184 | |
| 3185 | if (!p12dcx->bagsVerified) { |
| 3186 | return SECFailure; |
| 3187 | } |
| 3188 | |
| 3189 | /* We need to check the option here as well as in |
| 3190 | * SEC_PKCS12DecoderStart, because different PBE's could be used |
| 3191 | * for PKCS #7 and PKCS #8 */ |
| 3192 | rv = NSS_OptionGet(__NSS_PKCS12_DECODE_FORCE_UNICODE0x00c, &forceUnicode); |
| 3193 | if (rv != SECSuccess) { |
| 3194 | return SECFailure; |
| 3195 | } |
| 3196 | |
| 3197 | return sec_pkcs12_install_bags(p12dcx->safeBags, forceUnicode, |
| 3198 | p12dcx->wincx); |
| 3199 | } |
| 3200 | |
| 3201 | PRBool |
| 3202 | sec_pkcs12_bagHasKey(SEC_PKCS12DecoderContext *p12dcx, sec_PKCS12SafeBag *bag) |
| 3203 | { |
| 3204 | int i; |
| 3205 | SECItem *keyId; |
| 3206 | SECItem *certKeyId; |
| 3207 | |
| 3208 | certKeyId = sec_pkcs12_get_attribute_value(bag, SEC_OID_PKCS9_LOCAL_KEY_ID); |
| 3209 | if (certKeyId == NULL((void*)0)) { |
| 3210 | return PR_FALSE0; |
| 3211 | } |
| 3212 | |
| 3213 | for (i = 0; p12dcx->keyList && p12dcx->keyList[i]; i++) { |
| 3214 | keyId = sec_pkcs12_get_attribute_value(p12dcx->keyList[i], |
| 3215 | SEC_OID_PKCS9_LOCAL_KEY_ID); |
| 3216 | if (!keyId) { |
| 3217 | continue; |
| 3218 | } |
| 3219 | if (SECITEM_CompareItemSECITEM_CompareItem_Util(certKeyId, keyId) == SECEqual) { |
| 3220 | return PR_TRUE1; |
| 3221 | } |
| 3222 | } |
| 3223 | return PR_FALSE0; |
| 3224 | } |
| 3225 | |
| 3226 | SECItem * |
| 3227 | sec_pkcs12_get_friendlyName(sec_PKCS12SafeBag *bag) |
| 3228 | { |
| 3229 | SECItem *friendlyName; |
| 3230 | SECItem *tempnm; |
| 3231 | |
| 3232 | tempnm = sec_pkcs12_get_attribute_value(bag, SEC_OID_PKCS9_FRIENDLY_NAME); |
| 3233 | friendlyName = (SECItem *)PORT_ZAllocPORT_ZAlloc_Util(sizeof(SECItem)); |
| 3234 | if (friendlyName) { |
| 3235 | if (!sec_pkcs12_convert_item_to_unicode(NULL((void*)0), friendlyName, |
| 3236 | tempnm, PR_TRUE1, PR_FALSE0, PR_FALSE0)) { |
| 3237 | SECITEM_FreeItemSECITEM_FreeItem_Util(friendlyName, PR_TRUE1); |
| 3238 | friendlyName = NULL((void*)0); |
| 3239 | } |
| 3240 | } |
| 3241 | return friendlyName; |
| 3242 | } |
| 3243 | |
| 3244 | /* Following two functions provide access to selected portions of the safe bags. |
| 3245 | * Iteration is implemented per decoder context and may be accessed after |
| 3246 | * SEC_PKCS12DecoderVerify() returns success. |
| 3247 | * When ...DecoderIterateNext() returns SUCCESS a decoder item has been returned |
| 3248 | * where item.type is always set; item.friendlyName is set if it is non-null; |
| 3249 | * item.der, item.hasKey are set only for SEC_OID_PKCS12_V1_CERT_BAG_ID items. |
| 3250 | * ...DecoderIterateNext() returns FAILURE when the list is exhausted or when |
| 3251 | * arguments are invalid; PORT_GetError() is 0 at end-of-list. |
| 3252 | * Caller has read-only access to decoder items. Any SECItems generated are |
| 3253 | * owned by the decoder context and are freed by ...DecoderFinish(). |
| 3254 | */ |
| 3255 | SECStatus |
| 3256 | SEC_PKCS12DecoderIterateInit(SEC_PKCS12DecoderContext *p12dcx) |
| 3257 | { |
| 3258 | if (!p12dcx || p12dcx->error) { |
| 3259 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 3260 | return SECFailure; |
| 3261 | } |
| 3262 | |
| 3263 | p12dcx->iteration = 0; |
| 3264 | return SECSuccess; |
| 3265 | } |
| 3266 | |
| 3267 | SECStatus |
| 3268 | SEC_PKCS12DecoderIterateNext(SEC_PKCS12DecoderContext *p12dcx, |
| 3269 | const SEC_PKCS12DecoderItem **ipp) |
| 3270 | { |
| 3271 | sec_PKCS12SafeBag *bag; |
| 3272 | |
| 3273 | if (!p12dcx || p12dcx->error) { |
| 3274 | PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS); |
| 3275 | return SECFailure; |
| 3276 | } |
| 3277 | |
| 3278 | if (p12dcx->decitem.type != 0 && p12dcx->decitem.der != NULL((void*)0)) { |
| 3279 | SECITEM_FreeItemSECITEM_FreeItem_Util(p12dcx->decitem.der, PR_TRUE1); |
| 3280 | } |
| 3281 | if (p12dcx->decitem.shroudAlg != NULL((void*)0)) { |
| 3282 | SECOID_DestroyAlgorithmIDSECOID_DestroyAlgorithmID_Util(p12dcx->decitem.shroudAlg, PR_TRUE1); |
| 3283 | } |
| 3284 | if (p12dcx->decitem.friendlyName != NULL((void*)0)) { |
| 3285 | SECITEM_FreeItemSECITEM_FreeItem_Util(p12dcx->decitem.friendlyName, PR_TRUE1); |
| 3286 | } |
| 3287 | p12dcx->decitem.type = 0; |
| 3288 | p12dcx->decitem.der = NULL((void*)0); |
| 3289 | p12dcx->decitem.shroudAlg = NULL((void*)0); |
| 3290 | p12dcx->decitem.friendlyName = NULL((void*)0); |
| 3291 | p12dcx->decitem.hasKey = PR_FALSE0; |
| 3292 | *ipp = NULL((void*)0); |
| 3293 | if (p12dcx->keyList == NULL((void*)0)) { |
| 3294 | p12dcx->keyList = sec_pkcs12_get_key_bags(p12dcx->safeBags); |
| 3295 | } |
| 3296 | |
| 3297 | for (; p12dcx->iteration < p12dcx->safeBagCount; p12dcx->iteration++) { |
| 3298 | bag = p12dcx->safeBags[p12dcx->iteration]; |
| 3299 | if (bag == NULL((void*)0) || bag->problem) { |
| 3300 | continue; |
| 3301 | } |
| 3302 | p12dcx->decitem.type = SECOID_FindOIDTagSECOID_FindOIDTag_Util(&(bag->safeBagType)); |
| 3303 | switch (p12dcx->decitem.type) { |
| 3304 | case SEC_OID_PKCS12_V1_CERT_BAG_ID: |
| 3305 | p12dcx->decitem.der = sec_pkcs12_get_der_cert(bag); |
| 3306 | p12dcx->decitem.friendlyName = sec_pkcs12_get_friendlyName(bag); |
| 3307 | p12dcx->decitem.hasKey = sec_pkcs12_bagHasKey(p12dcx, bag); |
| 3308 | /* if we don't understand the cert, or it's not parsable, skip it */ |
| 3309 | /* as per the comment above, friendlyName may be null legitimately */ |
| 3310 | if (!p12dcx->decitem.der) { |
| 3311 | p12dcx->decitem.type = 0; /* clear out the type we are ignoring */ |
| 3312 | continue; |
| 3313 | } |
| 3314 | break; |
| 3315 | case SEC_OID_PKCS12_V1_PKCS8_SHROUDED_KEY_BAG_ID: |
| 3316 | p12dcx->decitem.shroudAlg = PORT_ZNew(SECAlgorithmID)(SECAlgorithmID *)PORT_ZAlloc_Util(sizeof(SECAlgorithmID)); |
| 3317 | if (p12dcx->decitem.shroudAlg) { |
| 3318 | SECOID_CopyAlgorithmIDSECOID_CopyAlgorithmID_Util(NULL((void*)0), p12dcx->decitem.shroudAlg, |
| 3319 | &bag->safeBagContent.pkcs8ShroudedKeyBag->algorithm); |
| 3320 | } |
| 3321 | /* fall through */ |
| 3322 | case SEC_OID_PKCS12_V1_KEY_BAG_ID: |
| 3323 | p12dcx->decitem.friendlyName = sec_pkcs12_get_friendlyName(bag); |
| 3324 | break; |
| 3325 | default: |
| 3326 | /* return these even though we don't expect them */ |
| 3327 | break; |
| 3328 | case SEC_OID_UNKNOWN: |
| 3329 | /* ignore these */ |
| 3330 | p12dcx->decitem.type = 0; /* clear out the type we are ignoring */ |
| 3331 | continue; |
| 3332 | } |
| 3333 | *ipp = &p12dcx->decitem; |
| 3334 | p12dcx->iteration++; |
| 3335 | break; /* end for() */ |
| 3336 | } |
| 3337 | |
| 3338 | PORT_SetErrorPORT_SetError_Util(0); /* end-of-list is SECFailure with no PORT error */ |
| 3339 | return ((p12dcx->decitem.type == 0) ? SECFailure : SECSuccess); |
| 3340 | } |