1 /* $OpenBSD: ssh-pkcs11.c,v 1.17 2015/02/03 08:07:20 deraadt Exp $ */ 2 /* 3 * Copyright (c) 2010 Markus Friedl. All rights reserved. 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #include "includes.h" 19 20 #ifdef ENABLE_PKCS11 21 22 #include <sys/types.h> 23 #ifdef HAVE_SYS_TIME_H 24 # include <sys/time.h> 25 #endif 26 #include <stdarg.h> 27 #include <stdio.h> 28 29 #include <string.h> 30 #include <dlfcn.h> 31 32 #include "openbsd-compat/sys-queue.h" 33 34 #include <openssl/x509.h> 35 36 #define CRYPTOKI_COMPAT 37 #include "pkcs11.h" 38 39 #include "log.h" 40 #include "misc.h" 41 #include "sshkey.h" 42 #include "ssh-pkcs11.h" 43 #include "xmalloc.h" 44 45 struct pkcs11_slotinfo { 46 CK_TOKEN_INFO token; 47 CK_SESSION_HANDLE session; 48 int logged_in; 49 }; 50 51 struct pkcs11_provider { 52 char *name; 53 void *handle; 54 CK_FUNCTION_LIST *function_list; 55 CK_INFO info; 56 CK_ULONG nslots; 57 CK_SLOT_ID *slotlist; 58 struct pkcs11_slotinfo *slotinfo; 59 int valid; 60 int refcount; 61 TAILQ_ENTRY(pkcs11_provider) next; 62 }; 63 64 TAILQ_HEAD(, pkcs11_provider) pkcs11_providers; 65 66 struct pkcs11_key { 67 struct pkcs11_provider *provider; 68 CK_ULONG slotidx; 69 int (*orig_finish)(RSA *rsa); 70 RSA_METHOD rsa_method; 71 char *keyid; 72 int keyid_len; 73 }; 74 75 int pkcs11_interactive = 0; 76 77 int 78 pkcs11_init(int interactive) 79 { 80 pkcs11_interactive = interactive; 81 TAILQ_INIT(&pkcs11_providers); 82 return (0); 83 } 84 85 /* 86 * finalize a provider shared libarary, it's no longer usable. 87 * however, there might still be keys referencing this provider, 88 * so the actuall freeing of memory is handled by pkcs11_provider_unref(). 89 * this is called when a provider gets unregistered. 90 */ 91 static void 92 pkcs11_provider_finalize(struct pkcs11_provider *p) 93 { 94 CK_RV rv; 95 CK_ULONG i; 96 97 debug("pkcs11_provider_finalize: %p refcount %d valid %d", 98 p, p->refcount, p->valid); 99 if (!p->valid) 100 return; 101 for (i = 0; i < p->nslots; i++) { 102 if (p->slotinfo[i].session && 103 (rv = p->function_list->C_CloseSession( 104 p->slotinfo[i].session)) != CKR_OK) 105 error("C_CloseSession failed: %lu", rv); 106 } 107 if ((rv = p->function_list->C_Finalize(NULL)) != CKR_OK) 108 error("C_Finalize failed: %lu", rv); 109 p->valid = 0; 110 p->function_list = NULL; 111 dlclose(p->handle); 112 } 113 114 /* 115 * remove a reference to the provider. 116 * called when a key gets destroyed or when the provider is unregistered. 117 */ 118 static void 119 pkcs11_provider_unref(struct pkcs11_provider *p) 120 { 121 debug("pkcs11_provider_unref: %p refcount %d", p, p->refcount); 122 if (--p->refcount <= 0) { 123 if (p->valid) 124 error("pkcs11_provider_unref: %p still valid", p); 125 free(p->slotlist); 126 free(p->slotinfo); 127 free(p); 128 } 129 } 130 131 /* unregister all providers, keys might still point to the providers */ 132 void 133 pkcs11_terminate(void) 134 { 135 struct pkcs11_provider *p; 136 137 while ((p = TAILQ_FIRST(&pkcs11_providers)) != NULL) { 138 TAILQ_REMOVE(&pkcs11_providers, p, next); 139 pkcs11_provider_finalize(p); 140 pkcs11_provider_unref(p); 141 } 142 } 143 144 /* lookup provider by name */ 145 static struct pkcs11_provider * 146 pkcs11_provider_lookup(char *provider_id) 147 { 148 struct pkcs11_provider *p; 149 150 TAILQ_FOREACH(p, &pkcs11_providers, next) { 151 debug("check %p %s", p, p->name); 152 if (!strcmp(provider_id, p->name)) 153 return (p); 154 } 155 return (NULL); 156 } 157 158 /* unregister provider by name */ 159 int 160 pkcs11_del_provider(char *provider_id) 161 { 162 struct pkcs11_provider *p; 163 164 if ((p = pkcs11_provider_lookup(provider_id)) != NULL) { 165 TAILQ_REMOVE(&pkcs11_providers, p, next); 166 pkcs11_provider_finalize(p); 167 pkcs11_provider_unref(p); 168 return (0); 169 } 170 return (-1); 171 } 172 173 /* openssl callback for freeing an RSA key */ 174 static int 175 pkcs11_rsa_finish(RSA *rsa) 176 { 177 struct pkcs11_key *k11; 178 int rv = -1; 179 180 if ((k11 = RSA_get_app_data(rsa)) != NULL) { 181 if (k11->orig_finish) 182 rv = k11->orig_finish(rsa); 183 if (k11->provider) 184 pkcs11_provider_unref(k11->provider); 185 free(k11->keyid); 186 free(k11); 187 } 188 return (rv); 189 } 190 191 /* find a single 'obj' for given attributes */ 192 static int 193 pkcs11_find(struct pkcs11_provider *p, CK_ULONG slotidx, CK_ATTRIBUTE *attr, 194 CK_ULONG nattr, CK_OBJECT_HANDLE *obj) 195 { 196 CK_FUNCTION_LIST *f; 197 CK_SESSION_HANDLE session; 198 CK_ULONG nfound = 0; 199 CK_RV rv; 200 int ret = -1; 201 202 f = p->function_list; 203 session = p->slotinfo[slotidx].session; 204 if ((rv = f->C_FindObjectsInit(session, attr, nattr)) != CKR_OK) { 205 error("C_FindObjectsInit failed (nattr %lu): %lu", nattr, rv); 206 return (-1); 207 } 208 if ((rv = f->C_FindObjects(session, obj, 1, &nfound)) != CKR_OK || 209 nfound != 1) { 210 debug("C_FindObjects failed (nfound %lu nattr %lu): %lu", 211 nfound, nattr, rv); 212 } else 213 ret = 0; 214 if ((rv = f->C_FindObjectsFinal(session)) != CKR_OK) 215 error("C_FindObjectsFinal failed: %lu", rv); 216 return (ret); 217 } 218 219 /* openssl callback doing the actual signing operation */ 220 static int 221 pkcs11_rsa_private_encrypt(int flen, const u_char *from, u_char *to, RSA *rsa, 222 int padding) 223 { 224 struct pkcs11_key *k11; 225 struct pkcs11_slotinfo *si; 226 CK_FUNCTION_LIST *f; 227 CK_OBJECT_HANDLE obj; 228 CK_ULONG tlen = 0; 229 CK_RV rv; 230 CK_OBJECT_CLASS private_key_class = CKO_PRIVATE_KEY; 231 CK_BBOOL true_val = CK_TRUE; 232 CK_MECHANISM mech = { 233 CKM_RSA_PKCS, NULL_PTR, 0 234 }; 235 CK_ATTRIBUTE key_filter[] = { 236 {CKA_CLASS, NULL, sizeof(private_key_class) }, 237 {CKA_ID, NULL, 0}, 238 {CKA_SIGN, NULL, sizeof(true_val) } 239 }; 240 char *pin, prompt[1024]; 241 int rval = -1; 242 243 key_filter[0].pValue = &private_key_class; 244 key_filter[2].pValue = &true_val; 245 246 if ((k11 = RSA_get_app_data(rsa)) == NULL) { 247 error("RSA_get_app_data failed for rsa %p", rsa); 248 return (-1); 249 } 250 if (!k11->provider || !k11->provider->valid) { 251 error("no pkcs11 (valid) provider for rsa %p", rsa); 252 return (-1); 253 } 254 f = k11->provider->function_list; 255 si = &k11->provider->slotinfo[k11->slotidx]; 256 if ((si->token.flags & CKF_LOGIN_REQUIRED) && !si->logged_in) { 257 if (!pkcs11_interactive) { 258 error("need pin"); 259 return (-1); 260 } 261 snprintf(prompt, sizeof(prompt), "Enter PIN for '%s': ", 262 si->token.label); 263 pin = read_passphrase(prompt, RP_ALLOW_EOF); 264 if (pin == NULL) 265 return (-1); /* bail out */ 266 rv = f->C_Login(si->session, CKU_USER, 267 (u_char *)pin, strlen(pin)); 268 if (rv != CKR_OK && rv != CKR_USER_ALREADY_LOGGED_IN) { 269 free(pin); 270 error("C_Login failed: %lu", rv); 271 return (-1); 272 } 273 free(pin); 274 si->logged_in = 1; 275 } 276 key_filter[1].pValue = k11->keyid; 277 key_filter[1].ulValueLen = k11->keyid_len; 278 /* try to find object w/CKA_SIGN first, retry w/o */ 279 if (pkcs11_find(k11->provider, k11->slotidx, key_filter, 3, &obj) < 0 && 280 pkcs11_find(k11->provider, k11->slotidx, key_filter, 2, &obj) < 0) { 281 error("cannot find private key"); 282 } else if ((rv = f->C_SignInit(si->session, &mech, obj)) != CKR_OK) { 283 error("C_SignInit failed: %lu", rv); 284 } else { 285 /* XXX handle CKR_BUFFER_TOO_SMALL */ 286 tlen = RSA_size(rsa); 287 rv = f->C_Sign(si->session, (CK_BYTE *)from, flen, to, &tlen); 288 if (rv == CKR_OK) 289 rval = tlen; 290 else 291 error("C_Sign failed: %lu", rv); 292 } 293 return (rval); 294 } 295 296 static int 297 pkcs11_rsa_private_decrypt(int flen, const u_char *from, u_char *to, RSA *rsa, 298 int padding) 299 { 300 return (-1); 301 } 302 303 /* redirect private key operations for rsa key to pkcs11 token */ 304 static int 305 pkcs11_rsa_wrap(struct pkcs11_provider *provider, CK_ULONG slotidx, 306 CK_ATTRIBUTE *keyid_attrib, RSA *rsa) 307 { 308 struct pkcs11_key *k11; 309 const RSA_METHOD *def = RSA_get_default_method(); 310 311 k11 = xcalloc(1, sizeof(*k11)); 312 k11->provider = provider; 313 provider->refcount++; /* provider referenced by RSA key */ 314 k11->slotidx = slotidx; 315 /* identify key object on smartcard */ 316 k11->keyid_len = keyid_attrib->ulValueLen; 317 k11->keyid = xmalloc(k11->keyid_len); 318 memcpy(k11->keyid, keyid_attrib->pValue, k11->keyid_len); 319 k11->orig_finish = def->finish; 320 memcpy(&k11->rsa_method, def, sizeof(k11->rsa_method)); 321 k11->rsa_method.name = "pkcs11"; 322 k11->rsa_method.rsa_priv_enc = pkcs11_rsa_private_encrypt; 323 k11->rsa_method.rsa_priv_dec = pkcs11_rsa_private_decrypt; 324 k11->rsa_method.finish = pkcs11_rsa_finish; 325 RSA_set_method(rsa, &k11->rsa_method); 326 RSA_set_app_data(rsa, k11); 327 return (0); 328 } 329 330 /* remove trailing spaces */ 331 static void 332 rmspace(u_char *buf, size_t len) 333 { 334 size_t i; 335 336 if (!len) 337 return; 338 for (i = len - 1; i > 0; i--) 339 if (i == len - 1 || buf[i] == ' ') 340 buf[i] = '\0'; 341 else 342 break; 343 } 344 345 /* 346 * open a pkcs11 session and login if required. 347 * if pin == NULL we delay login until key use 348 */ 349 static int 350 pkcs11_open_session(struct pkcs11_provider *p, CK_ULONG slotidx, char *pin) 351 { 352 CK_RV rv; 353 CK_FUNCTION_LIST *f; 354 CK_SESSION_HANDLE session; 355 int login_required; 356 357 f = p->function_list; 358 login_required = p->slotinfo[slotidx].token.flags & CKF_LOGIN_REQUIRED; 359 if (pin && login_required && !strlen(pin)) { 360 error("pin required"); 361 return (-1); 362 } 363 if ((rv = f->C_OpenSession(p->slotlist[slotidx], CKF_RW_SESSION| 364 CKF_SERIAL_SESSION, NULL, NULL, &session)) 365 != CKR_OK) { 366 error("C_OpenSession failed: %lu", rv); 367 return (-1); 368 } 369 if (login_required && pin) { 370 rv = f->C_Login(session, CKU_USER, 371 (u_char *)pin, strlen(pin)); 372 if (rv != CKR_OK && rv != CKR_USER_ALREADY_LOGGED_IN) { 373 error("C_Login failed: %lu", rv); 374 if ((rv = f->C_CloseSession(session)) != CKR_OK) 375 error("C_CloseSession failed: %lu", rv); 376 return (-1); 377 } 378 p->slotinfo[slotidx].logged_in = 1; 379 } 380 p->slotinfo[slotidx].session = session; 381 return (0); 382 } 383 384 /* 385 * lookup public keys for token in slot identified by slotidx, 386 * add 'wrapped' public keys to the 'keysp' array and increment nkeys. 387 * keysp points to an (possibly empty) array with *nkeys keys. 388 */ 389 static int pkcs11_fetch_keys_filter(struct pkcs11_provider *, CK_ULONG, 390 CK_ATTRIBUTE [], CK_ATTRIBUTE [3], struct sshkey ***, int *) 391 __attribute__((__bounded__(__minbytes__,4, 3 * sizeof(CK_ATTRIBUTE)))); 392 393 static int 394 pkcs11_fetch_keys(struct pkcs11_provider *p, CK_ULONG slotidx, 395 struct sshkey ***keysp, int *nkeys) 396 { 397 CK_OBJECT_CLASS pubkey_class = CKO_PUBLIC_KEY; 398 CK_OBJECT_CLASS cert_class = CKO_CERTIFICATE; 399 CK_ATTRIBUTE pubkey_filter[] = { 400 { CKA_CLASS, NULL, sizeof(pubkey_class) } 401 }; 402 CK_ATTRIBUTE cert_filter[] = { 403 { CKA_CLASS, NULL, sizeof(cert_class) } 404 }; 405 CK_ATTRIBUTE pubkey_attribs[] = { 406 { CKA_ID, NULL, 0 }, 407 { CKA_MODULUS, NULL, 0 }, 408 { CKA_PUBLIC_EXPONENT, NULL, 0 } 409 }; 410 CK_ATTRIBUTE cert_attribs[] = { 411 { CKA_ID, NULL, 0 }, 412 { CKA_SUBJECT, NULL, 0 }, 413 { CKA_VALUE, NULL, 0 } 414 }; 415 pubkey_filter[0].pValue = &pubkey_class; 416 cert_filter[0].pValue = &cert_class; 417 418 if (pkcs11_fetch_keys_filter(p, slotidx, pubkey_filter, pubkey_attribs, 419 keysp, nkeys) < 0 || 420 pkcs11_fetch_keys_filter(p, slotidx, cert_filter, cert_attribs, 421 keysp, nkeys) < 0) 422 return (-1); 423 return (0); 424 } 425 426 static int 427 pkcs11_key_included(struct sshkey ***keysp, int *nkeys, struct sshkey *key) 428 { 429 int i; 430 431 for (i = 0; i < *nkeys; i++) 432 if (sshkey_equal(key, (*keysp)[i])) 433 return (1); 434 return (0); 435 } 436 437 static int 438 pkcs11_fetch_keys_filter(struct pkcs11_provider *p, CK_ULONG slotidx, 439 CK_ATTRIBUTE filter[], CK_ATTRIBUTE attribs[3], 440 struct sshkey ***keysp, int *nkeys) 441 { 442 struct sshkey *key; 443 RSA *rsa; 444 X509 *x509; 445 EVP_PKEY *evp; 446 int i; 447 const u_char *cp; 448 CK_RV rv; 449 CK_OBJECT_HANDLE obj; 450 CK_ULONG nfound; 451 CK_SESSION_HANDLE session; 452 CK_FUNCTION_LIST *f; 453 454 f = p->function_list; 455 session = p->slotinfo[slotidx].session; 456 /* setup a filter the looks for public keys */ 457 if ((rv = f->C_FindObjectsInit(session, filter, 1)) != CKR_OK) { 458 error("C_FindObjectsInit failed: %lu", rv); 459 return (-1); 460 } 461 while (1) { 462 /* XXX 3 attributes in attribs[] */ 463 for (i = 0; i < 3; i++) { 464 attribs[i].pValue = NULL; 465 attribs[i].ulValueLen = 0; 466 } 467 if ((rv = f->C_FindObjects(session, &obj, 1, &nfound)) != CKR_OK 468 || nfound == 0) 469 break; 470 /* found a key, so figure out size of the attributes */ 471 if ((rv = f->C_GetAttributeValue(session, obj, attribs, 3)) 472 != CKR_OK) { 473 error("C_GetAttributeValue failed: %lu", rv); 474 continue; 475 } 476 /* check that none of the attributes are zero length */ 477 if (attribs[0].ulValueLen == 0 || 478 attribs[1].ulValueLen == 0 || 479 attribs[2].ulValueLen == 0) { 480 continue; 481 } 482 /* allocate buffers for attributes */ 483 for (i = 0; i < 3; i++) 484 attribs[i].pValue = xmalloc(attribs[i].ulValueLen); 485 /* 486 * retrieve ID, modulus and public exponent of RSA key, 487 * or ID, subject and value for certificates. 488 */ 489 rsa = NULL; 490 if ((rv = f->C_GetAttributeValue(session, obj, attribs, 3)) 491 != CKR_OK) { 492 error("C_GetAttributeValue failed: %lu", rv); 493 } else if (attribs[1].type == CKA_MODULUS ) { 494 if ((rsa = RSA_new()) == NULL) { 495 error("RSA_new failed"); 496 } else { 497 rsa->n = BN_bin2bn(attribs[1].pValue, 498 attribs[1].ulValueLen, NULL); 499 rsa->e = BN_bin2bn(attribs[2].pValue, 500 attribs[2].ulValueLen, NULL); 501 } 502 } else { 503 cp = attribs[2].pValue; 504 if ((x509 = X509_new()) == NULL) { 505 error("X509_new failed"); 506 } else if (d2i_X509(&x509, &cp, attribs[2].ulValueLen) 507 == NULL) { 508 error("d2i_X509 failed"); 509 } else if ((evp = X509_get_pubkey(x509)) == NULL || 510 evp->type != EVP_PKEY_RSA || 511 evp->pkey.rsa == NULL) { 512 debug("X509_get_pubkey failed or no rsa"); 513 } else if ((rsa = RSAPublicKey_dup(evp->pkey.rsa)) 514 == NULL) { 515 error("RSAPublicKey_dup"); 516 } 517 if (x509) 518 X509_free(x509); 519 } 520 if (rsa && rsa->n && rsa->e && 521 pkcs11_rsa_wrap(p, slotidx, &attribs[0], rsa) == 0) { 522 key = sshkey_new(KEY_UNSPEC); 523 key->rsa = rsa; 524 key->type = KEY_RSA; 525 key->flags |= SSHKEY_FLAG_EXT; 526 if (pkcs11_key_included(keysp, nkeys, key)) { 527 sshkey_free(key); 528 } else { 529 /* expand key array and add key */ 530 *keysp = xrealloc(*keysp, *nkeys + 1, 531 sizeof(struct sshkey *)); 532 (*keysp)[*nkeys] = key; 533 *nkeys = *nkeys + 1; 534 debug("have %d keys", *nkeys); 535 } 536 } else if (rsa) { 537 RSA_free(rsa); 538 } 539 for (i = 0; i < 3; i++) 540 free(attribs[i].pValue); 541 } 542 if ((rv = f->C_FindObjectsFinal(session)) != CKR_OK) 543 error("C_FindObjectsFinal failed: %lu", rv); 544 return (0); 545 } 546 547 /* register a new provider, fails if provider already exists */ 548 int 549 pkcs11_add_provider(char *provider_id, char *pin, struct sshkey ***keyp) 550 { 551 int nkeys, need_finalize = 0; 552 struct pkcs11_provider *p = NULL; 553 void *handle = NULL; 554 CK_RV (*getfunctionlist)(CK_FUNCTION_LIST **); 555 CK_RV rv; 556 CK_FUNCTION_LIST *f = NULL; 557 CK_TOKEN_INFO *token; 558 CK_ULONG i; 559 560 *keyp = NULL; 561 if (pkcs11_provider_lookup(provider_id) != NULL) { 562 error("provider already registered: %s", provider_id); 563 goto fail; 564 } 565 /* open shared pkcs11-libarary */ 566 if ((handle = dlopen(provider_id, RTLD_NOW)) == NULL) { 567 error("dlopen %s failed: %s", provider_id, dlerror()); 568 goto fail; 569 } 570 if ((getfunctionlist = dlsym(handle, "C_GetFunctionList")) == NULL) { 571 error("dlsym(C_GetFunctionList) failed: %s", dlerror()); 572 goto fail; 573 } 574 p = xcalloc(1, sizeof(*p)); 575 p->name = xstrdup(provider_id); 576 p->handle = handle; 577 /* setup the pkcs11 callbacks */ 578 if ((rv = (*getfunctionlist)(&f)) != CKR_OK) { 579 error("C_GetFunctionList failed: %lu", rv); 580 goto fail; 581 } 582 p->function_list = f; 583 if ((rv = f->C_Initialize(NULL)) != CKR_OK) { 584 error("C_Initialize failed: %lu", rv); 585 goto fail; 586 } 587 need_finalize = 1; 588 if ((rv = f->C_GetInfo(&p->info)) != CKR_OK) { 589 error("C_GetInfo failed: %lu", rv); 590 goto fail; 591 } 592 rmspace(p->info.manufacturerID, sizeof(p->info.manufacturerID)); 593 rmspace(p->info.libraryDescription, sizeof(p->info.libraryDescription)); 594 debug("manufacturerID <%s> cryptokiVersion %d.%d" 595 " libraryDescription <%s> libraryVersion %d.%d", 596 p->info.manufacturerID, 597 p->info.cryptokiVersion.major, 598 p->info.cryptokiVersion.minor, 599 p->info.libraryDescription, 600 p->info.libraryVersion.major, 601 p->info.libraryVersion.minor); 602 if ((rv = f->C_GetSlotList(CK_TRUE, NULL, &p->nslots)) != CKR_OK) { 603 error("C_GetSlotList failed: %lu", rv); 604 goto fail; 605 } 606 if (p->nslots == 0) { 607 error("no slots"); 608 goto fail; 609 } 610 p->slotlist = xcalloc(p->nslots, sizeof(CK_SLOT_ID)); 611 if ((rv = f->C_GetSlotList(CK_TRUE, p->slotlist, &p->nslots)) 612 != CKR_OK) { 613 error("C_GetSlotList failed: %lu", rv); 614 goto fail; 615 } 616 p->slotinfo = xcalloc(p->nslots, sizeof(struct pkcs11_slotinfo)); 617 p->valid = 1; 618 nkeys = 0; 619 for (i = 0; i < p->nslots; i++) { 620 token = &p->slotinfo[i].token; 621 if ((rv = f->C_GetTokenInfo(p->slotlist[i], token)) 622 != CKR_OK) { 623 error("C_GetTokenInfo failed: %lu", rv); 624 continue; 625 } 626 rmspace(token->label, sizeof(token->label)); 627 rmspace(token->manufacturerID, sizeof(token->manufacturerID)); 628 rmspace(token->model, sizeof(token->model)); 629 rmspace(token->serialNumber, sizeof(token->serialNumber)); 630 debug("label <%s> manufacturerID <%s> model <%s> serial <%s>" 631 " flags 0x%lx", 632 token->label, token->manufacturerID, token->model, 633 token->serialNumber, token->flags); 634 /* open session, login with pin and retrieve public keys */ 635 if (pkcs11_open_session(p, i, pin) == 0) 636 pkcs11_fetch_keys(p, i, keyp, &nkeys); 637 } 638 if (nkeys > 0) { 639 TAILQ_INSERT_TAIL(&pkcs11_providers, p, next); 640 p->refcount++; /* add to provider list */ 641 return (nkeys); 642 } 643 error("no keys"); 644 /* don't add the provider, since it does not have any keys */ 645 fail: 646 if (need_finalize && (rv = f->C_Finalize(NULL)) != CKR_OK) 647 error("C_Finalize failed: %lu", rv); 648 if (p) { 649 free(p->slotlist); 650 free(p->slotinfo); 651 free(p); 652 } 653 if (handle) 654 dlclose(handle); 655 return (-1); 656 } 657 658 #else 659 660 int 661 pkcs11_init(int interactive) 662 { 663 return (0); 664 } 665 666 void 667 pkcs11_terminate(void) 668 { 669 return; 670 } 671 672 #endif /* ENABLE_PKCS11 */ 673
