pk11.c 33 KB
Newer Older
Evan Hunt's avatar
Evan Hunt committed
1
/*
2
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
Evan Hunt's avatar
Evan Hunt committed
3
 *
4 5 6
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
7 8 9
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
Evan Hunt's avatar
Evan Hunt committed
10 11 12 13 14 15 16 17 18 19 20
 */

#include <config.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <isc/log.h>
#include <isc/mem.h>
#include <isc/once.h>
21
#include <isc/platform.h>
22
#include <isc/print.h>
Evan Hunt's avatar
Evan Hunt committed
23
#include <isc/stdio.h>
Mark Andrews's avatar
Mark Andrews committed
24
#include <isc/string.h>
Evan Hunt's avatar
Evan Hunt committed
25 26 27 28 29
#include <isc/thread.h>
#include <isc/util.h>

#include <dst/result.h>

30 31
#include <pk11/pk11.h>
#include <pk11/internal.h>
32
#include <pk11/result.h>
33
#include <pk11/site.h>
Evan Hunt's avatar
Evan Hunt committed
34 35 36

#include <pkcs11/cryptoki.h>
#include <pkcs11/pkcs11.h>
37
#include <pkcs11/eddsa.h>
Evan Hunt's avatar
Evan Hunt committed
38

39 40 41 42
/* was 32 octets, Petr Spacek suggested 1024, SoftHSMv2 uses 256... */
#ifndef PINLEN
#define PINLEN	256
#endif
Evan Hunt's avatar
Evan Hunt committed
43 44 45 46 47

#ifndef PK11_NO_LOGERR
#define PK11_NO_LOGERR 1
#endif

48 49
LIBISC_EXTERNAL_DATA isc_boolean_t pk11_verbose_init = ISC_FALSE;

Evan Hunt's avatar
Evan Hunt committed
50 51 52 53 54
static isc_once_t once = ISC_ONCE_INIT;
static isc_mem_t *pk11_mctx = NULL;
static isc_int32_t allocsize = 0;
static isc_boolean_t initialized = ISC_FALSE;

55 56 57
typedef struct pk11_session pk11_session_t;
typedef struct pk11_token pk11_token_t;
typedef ISC_LIST(pk11_session_t) pk11_sessionlist_t;
Evan Hunt's avatar
Evan Hunt committed
58

59
struct pk11_session {
Evan Hunt's avatar
Evan Hunt committed
60 61
	unsigned int		magic;
	CK_SESSION_HANDLE	session;
62 63
	ISC_LINK(pk11_session_t) link;
	pk11_token_t		*token;
Evan Hunt's avatar
Evan Hunt committed
64 65
};

66
struct pk11_token {
Evan Hunt's avatar
Evan Hunt committed
67 68
	unsigned int		magic;
	unsigned int		operations;
69
	ISC_LINK(pk11_token_t)	link;
Evan Hunt's avatar
Evan Hunt committed
70
	CK_SLOT_ID		slotid;
71
	pk11_sessionlist_t	sessions;
Evan Hunt's avatar
Evan Hunt committed
72 73 74 75 76
	isc_boolean_t		logged;
	char			name[32];
	char			manuf[32];
	char			model[16];
	char			serial[16];
77
	char			pin[PINLEN + 1];
Evan Hunt's avatar
Evan Hunt committed
78
};
79
static ISC_LIST(pk11_token_t) tokens;
Evan Hunt's avatar
Evan Hunt committed
80

81 82 83 84 85 86 87
static pk11_token_t *rand_token;
static pk11_token_t *best_rsa_token;
static pk11_token_t *best_dsa_token;
static pk11_token_t *best_dh_token;
static pk11_token_t *digest_token;
static pk11_token_t *best_ec_token;
static pk11_token_t *best_gost_token;
88
static pk11_token_t *aes_token;
Evan Hunt's avatar
Evan Hunt committed
89 90

static isc_result_t free_all_sessions(void);
91 92 93
static isc_result_t free_session_list(pk11_sessionlist_t *slist);
static isc_result_t setup_session(pk11_session_t *sp,
				  pk11_token_t *token,
Evan Hunt's avatar
Evan Hunt committed
94
				  isc_boolean_t rw);
95
static void scan_slots(void);
96
static isc_result_t token_login(pk11_session_t *sp);
Evan Hunt's avatar
Evan Hunt committed
97 98 99
static char *percent_decode(char *x, size_t *len);
static isc_boolean_t pk11strcmp(const char *x, size_t lenx,
				const char *y, size_t leny);
100
static CK_ATTRIBUTE *push_attribute(pk11_object_t *obj,
Evan Hunt's avatar
Evan Hunt committed
101 102 103 104 105 106
				    isc_mem_t *mctx,
				    size_t len);

static isc_mutex_t alloclock;
static isc_mutex_t sessionlock;

107
static pk11_sessionlist_t actives;
Evan Hunt's avatar
Evan Hunt committed
108 109

static CK_C_INITIALIZE_ARGS pk11_init_args = {
Mark Andrews's avatar
Mark Andrews committed
110 111 112 113 114 115
	NULL_PTR,               /* CreateMutex */
	NULL_PTR,               /* DestroyMutex */
	NULL_PTR,               /* LockMutex */
	NULL_PTR,               /* UnlockMutex */
	CKF_OS_LOCKING_OK,      /* flags */
	NULL_PTR,               /* pReserved */
Evan Hunt's avatar
Evan Hunt committed
116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159
};

#ifndef PK11_LIB_LOCATION
#define PK11_LIB_LOCATION	"unknown_provider"
#endif

#ifndef WIN32
static const char *lib_name = PK11_LIB_LOCATION;
#else
static const char *lib_name = PK11_LIB_LOCATION ".dll";
#endif

void
pk11_set_lib_name(const char *name) {
	lib_name = name;
}

const char *
pk11_get_lib_name(void) {
	return (lib_name);
}

static void
initialize(void) {
	char *pk11_provider;

	RUNTIME_CHECK(isc_mutex_init(&alloclock) == ISC_R_SUCCESS);
	RUNTIME_CHECK(isc_mutex_init(&sessionlock) == ISC_R_SUCCESS);

	pk11_provider = getenv("PKCS11_PROVIDER");
	if (pk11_provider != NULL)
		lib_name = pk11_provider;
}

void *
pk11_mem_get(size_t size) {
	void *ptr;

	LOCK(&alloclock);
	if (pk11_mctx != NULL)
		ptr = isc_mem_get(pk11_mctx, size);
	else {
		ptr = malloc(size);
		if (ptr != NULL)
160
			allocsize += (int)size;
Evan Hunt's avatar
Evan Hunt committed
161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177
	}
	UNLOCK(&alloclock);

	if (ptr != NULL)
		memset(ptr, 0, size);
	return (ptr);
}

void
pk11_mem_put(void *ptr, size_t size) {
	if (ptr != NULL)
		memset(ptr, 0, size);
	LOCK(&alloclock);
	if (pk11_mctx != NULL)
		isc_mem_put(pk11_mctx, ptr, size);
	else {
		if (ptr != NULL)
178
			allocsize -= (int)size;
Evan Hunt's avatar
Evan Hunt committed
179 180 181 182 183
		free(ptr);
	}
	UNLOCK(&alloclock);
}

184 185 186
isc_result_t
pk11_initialize(isc_mem_t *mctx, const char *engine) {
	isc_result_t result;
Evan Hunt's avatar
Evan Hunt committed
187 188 189 190 191 192 193 194 195
	CK_RV rv;

	RUNTIME_CHECK(isc_once_do(&once, initialize) == ISC_R_SUCCESS);

	LOCK(&alloclock);
	if ((mctx != NULL) && (pk11_mctx == NULL) && (allocsize == 0))
		isc_mem_attach(mctx, &pk11_mctx);
	if (initialized) {
		UNLOCK(&alloclock);
196
		return (ISC_R_SUCCESS);
Evan Hunt's avatar
Evan Hunt committed
197 198 199 200 201 202
	} else {
		LOCK(&sessionlock);
		initialized = ISC_TRUE;
		UNLOCK(&alloclock);
	}

203 204 205
	ISC_LIST_INIT(tokens);
	ISC_LIST_INIT(actives);

Mark Andrews's avatar
Mark Andrews committed
206 207
	if (engine != NULL)
		lib_name = engine;
Evan Hunt's avatar
Evan Hunt committed
208 209 210 211

	/* Initialize the CRYPTOKI library */
	rv = pkcs_C_Initialize((CK_VOID_PTR) &pk11_init_args);

212 213
	if (rv == 0xfe) {
		result = PK11_R_NOPROVIDER;
214 215
		fprintf(stderr, "Can't load PKCS#11 provider: %s\n",
			pk11_get_load_error_message());
216 217
		goto unlock;
	}
Evan Hunt's avatar
Evan Hunt committed
218
	if (rv != CKR_OK) {
219 220
		result = PK11_R_INITFAILED;
		goto unlock;
Evan Hunt's avatar
Evan Hunt committed
221 222
	}

223
	scan_slots();
Evan Hunt's avatar
Evan Hunt committed
224
#ifdef PKCS11CRYPTO
225 226 227 228 229 230 231 232
	if (rand_token == NULL) {
		result = PK11_R_NORANDOMSERVICE;
		goto unlock;
	}
	if (digest_token == NULL) {
		result = PK11_R_NODIGESTSERVICE;
		goto unlock;
	}
233
#if defined(AES_CC)
234 235 236 237
	if (aes_token == NULL) {
		result = PK11_R_NOAESSERVICE;
		goto unlock;
	}
238
#endif
Evan Hunt's avatar
Evan Hunt committed
239
#endif /* PKCS11CRYPTO */
240 241
	result = ISC_R_SUCCESS;
 unlock:
Evan Hunt's avatar
Evan Hunt committed
242
	UNLOCK(&sessionlock);
243
	return (result);
Evan Hunt's avatar
Evan Hunt committed
244 245 246
}

isc_result_t
247
pk11_finalize(void) {
248
	pk11_token_t *token, *next;
Evan Hunt's avatar
Evan Hunt committed
249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270
	isc_result_t ret;

	ret = free_all_sessions();
	(void) pkcs_C_Finalize(NULL_PTR);
	token = ISC_LIST_HEAD(tokens);
	while (token != NULL) {
		next = ISC_LIST_NEXT(token, link);
		ISC_LIST_UNLINK(tokens, token, link);
		if (token == rand_token)
			rand_token = NULL;
		if (token == best_rsa_token)
			best_rsa_token = NULL;
		if (token == best_dsa_token)
			best_dsa_token = NULL;
		if (token == best_dh_token)
			best_dh_token = NULL;
		if (token == digest_token)
			digest_token = NULL;
		if (token == best_ec_token)
			best_ec_token = NULL;
		if (token == best_gost_token)
			best_gost_token = NULL;
271 272
		if (token == aes_token)
			aes_token = NULL;
Evan Hunt's avatar
Evan Hunt committed
273 274 275 276 277 278 279 280 281 282 283 284 285
		pk11_mem_put(token, sizeof(*token));
		token = next;
	}
	if (pk11_mctx != NULL)
		isc_mem_detach(&pk11_mctx);
	initialized = ISC_FALSE;
	return (ret);
}

isc_result_t
pk11_rand_bytes(unsigned char *buf, int num) {
	isc_result_t ret;
	CK_RV rv;
286
	pk11_context_t ctx;
Evan Hunt's avatar
Evan Hunt committed
287

288 289 290 291 292
	ret = pk11_get_session(&ctx, OP_RAND, ISC_FALSE, ISC_FALSE,
			       ISC_FALSE, NULL, 0);
	if ((ret != ISC_R_SUCCESS) &&
	    (ret != PK11_R_NODIGESTSERVICE) &&
	    (ret != PK11_R_NOAESSERVICE))
Evan Hunt's avatar
Evan Hunt committed
293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309
		return (ret);
	RUNTIME_CHECK(ctx.session != CK_INVALID_HANDLE);
	rv = pkcs_C_GenerateRandom(ctx.session,
				   (CK_BYTE_PTR) buf, (CK_ULONG) num);
	pk11_return_session(&ctx);
	if (rv == CKR_OK)
		return (ISC_R_SUCCESS);
	else
		return (DST_R_CRYPTOFAILURE);
}

#define SEEDSIZE	1024

static CK_BYTE seed[SEEDSIZE];

void
pk11_rand_seed_fromfile(const char *randomfile) {
310
	pk11_context_t ctx;
Evan Hunt's avatar
Evan Hunt committed
311 312 313 314
	FILE *stream = NULL;
	size_t cc = 0;
	isc_result_t ret;

315 316 317 318 319
	ret = pk11_get_session(&ctx, OP_RAND, ISC_FALSE, ISC_FALSE,
			       ISC_FALSE, NULL, 0);
	if ((ret != ISC_R_SUCCESS) &&
	    (ret != PK11_R_NODIGESTSERVICE) &&
	    (ret != PK11_R_NOAESSERVICE))
Evan Hunt's avatar
Evan Hunt committed
320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337
		return;
	RUNTIME_CHECK(ctx.session != CK_INVALID_HANDLE);
	ret = isc_stdio_open(randomfile, "r", &stream);
	if (ret != ISC_R_SUCCESS)
		goto cleanup;
	ret = isc_stdio_read(seed, 1, SEEDSIZE, stream, &cc);
	if (ret!= ISC_R_SUCCESS)
		goto cleanup;
	ret = isc_stdio_close(stream);
	stream = NULL;
	if (ret!= ISC_R_SUCCESS)
		goto cleanup;
	(void) pkcs_C_SeedRandom(ctx.session, seed, (CK_ULONG) cc);

    cleanup:
	if (stream != NULL)
		(void) isc_stdio_close(stream);
	pk11_return_session(&ctx);
Mark Andrews's avatar
Mark Andrews committed
338
}
Evan Hunt's avatar
Evan Hunt committed
339 340

isc_result_t
341
pk11_get_session(pk11_context_t *ctx, pk11_optype_t optype,
342 343
		 isc_boolean_t need_services, isc_boolean_t rw,
		 isc_boolean_t logon, const char *pin, CK_SLOT_ID slot)
Evan Hunt's avatar
Evan Hunt committed
344
{
345 346 347
	pk11_token_t *token = NULL;
	pk11_sessionlist_t *freelist;
	pk11_session_t *sp;
348 349 350 351 352
	isc_result_t ret;
#ifdef PKCS11CRYPTO
	isc_result_t service_ret = ISC_R_SUCCESS;
#else
	UNUSED(need_services);
Tinderbox User's avatar
Tinderbox User committed
353
#endif
354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371

	memset(ctx, 0, sizeof(pk11_context_t));
	ctx->handle = NULL;
	ctx->session = CK_INVALID_HANDLE;

	ret = pk11_initialize(NULL, NULL);
#ifdef PKCS11CRYPTO
	if (ret == PK11_R_NORANDOMSERVICE ||
	    ret == PK11_R_NODIGESTSERVICE ||
	    ret == PK11_R_NOAESSERVICE) {
		if (need_services)
			return (ret);
		service_ret = ret;
	}
	else
#endif /* PKCS11CRYPTO */
	if (ret != ISC_R_SUCCESS)
		return (ret);
Evan Hunt's avatar
Evan Hunt committed
372 373 374 375 376 377 378 379 380 381 382 383 384

	LOCK(&sessionlock);
	/* wait for initialization to finish */
	UNLOCK(&sessionlock);

	switch(optype) {
#ifdef PKCS11CRYPTO
	case OP_RAND:
		token = rand_token;
		break;
	case OP_DIGEST:
		token = digest_token;
		break;
385 386 387
	case OP_AES:
		token = aes_token;
		break;
Evan Hunt's avatar
Evan Hunt committed
388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413
	case OP_ANY:
		for (token = ISC_LIST_HEAD(tokens);
		     token != NULL;
		     token = ISC_LIST_NEXT(token, link))
			if (token->slotid == slot)
				break;
		break;
#endif
	default:
		for (token = ISC_LIST_HEAD(tokens);
		     token != NULL;
		     token = ISC_LIST_NEXT(token, link))
			if (token->slotid == slot)
				break;
#ifdef PKCS11CRYPTO
		if ((token == NULL) ||
		    ((token->operations & (1 << optype)) == 0))
			return (ISC_R_NOTFOUND);
#endif
		break;
	}
	if (token == NULL)
		return (ISC_R_NOTFOUND);

	/* Override the token's PIN */
	if (logon && pin != NULL && *pin != '\0') {
414
		if (strlen(pin) > PINLEN)
415 416 417 418 419 420 421
			return (ISC_R_RANGE);
		/*
		 * We want to zero out the old pin before
		 * overwriting with a new one.
		 */
		memset(token->pin, 0, sizeof(token->pin));
		strlcpy(token->pin, pin, sizeof(token->pin));
Evan Hunt's avatar
Evan Hunt committed
422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454
	}

	freelist = &token->sessions;

	LOCK(&sessionlock);
	sp = ISC_LIST_HEAD(*freelist);
	if (sp != NULL) {
		ISC_LIST_UNLINK(*freelist, sp, link);
		ISC_LIST_APPEND(actives, sp, link);
		UNLOCK(&sessionlock);
		if (logon)
			ret = token_login(sp);
		ctx->handle = sp;
		ctx->session = sp->session;
		return (ret);
	}
	UNLOCK(&sessionlock);

	sp = pk11_mem_get(sizeof(*sp));
	if (sp == NULL)
		return (ISC_R_NOMEMORY);
	sp->magic = SES_MAGIC;
	sp->token = token;
	sp->session = CK_INVALID_HANDLE;
	ISC_LINK_INIT(sp, link);
	ret = setup_session(sp, token, rw);
	if ((ret == ISC_R_SUCCESS) && logon)
		ret = token_login(sp);
	LOCK(&sessionlock);
	ISC_LIST_APPEND(actives, sp, link);
	UNLOCK(&sessionlock);
	ctx->handle = sp;
	ctx->session = sp->session;
455 456 457 458
#ifdef PKCS11CRYPTO
	if (ret == ISC_R_SUCCESS)
		ret = service_ret;
#endif
Evan Hunt's avatar
Evan Hunt committed
459 460 461 462
	return (ret);
}

void
463 464
pk11_return_session(pk11_context_t *ctx) {
	pk11_session_t *sp = (pk11_session_t *) ctx->handle;
Evan Hunt's avatar
Evan Hunt committed
465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485

	if (sp == NULL)
		return;
	ctx->handle = NULL;
	ctx->session = CK_INVALID_HANDLE;

	LOCK(&sessionlock);
	ISC_LIST_UNLINK(actives, sp, link);
	UNLOCK(&sessionlock);
	if (sp->session == CK_INVALID_HANDLE) {
		pk11_mem_put(sp, sizeof(*sp));
		return;
	}

	LOCK(&sessionlock);
	ISC_LIST_APPEND(sp->token->sessions, sp, link);
	UNLOCK(&sessionlock);
}

static isc_result_t
free_all_sessions(void) {
486
	pk11_token_t *token;
Evan Hunt's avatar
Evan Hunt committed
487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506
	isc_result_t ret = ISC_R_SUCCESS;
	isc_result_t oret;

	for (token = ISC_LIST_HEAD(tokens);
	     token != NULL;
	     token = ISC_LIST_NEXT(token, link)) {
		oret = free_session_list(&token->sessions);
		if (oret != ISC_R_SUCCESS)
			ret = oret;
	}
	if (!ISC_LIST_EMPTY(actives)) {
		ret = ISC_R_ADDRINUSE;
		oret = free_session_list(&actives);
		if (oret != ISC_R_SUCCESS)
			ret = oret;
	}
	return (ret);
}

static isc_result_t
507 508
free_session_list(pk11_sessionlist_t *slist) {
	pk11_session_t *sp;
Evan Hunt's avatar
Evan Hunt committed
509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531
	CK_RV rv;
	isc_result_t ret;

	ret = ISC_R_SUCCESS;
	LOCK(&sessionlock);
	while (!ISC_LIST_EMPTY(*slist)) {
		sp = ISC_LIST_HEAD(*slist);
		UNLOCK(&sessionlock);
		if (sp->session != CK_INVALID_HANDLE) {
			rv = pkcs_C_CloseSession(sp->session);
			if (rv != CKR_OK)
				ret = DST_R_CRYPTOFAILURE;
		}
		LOCK(&sessionlock);
		ISC_LIST_UNLINK(*slist, sp, link);
		pk11_mem_put(sp, sizeof(*sp));
	}
	UNLOCK(&sessionlock);

	return (ret);
}

static isc_result_t
532
setup_session(pk11_session_t *sp, pk11_token_t *token,
Evan Hunt's avatar
Evan Hunt committed
533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548
	      isc_boolean_t rw)
{
	CK_RV rv;
	CK_FLAGS flags = CKF_SERIAL_SESSION;

	if (rw)
		flags += CKF_RW_SESSION;

	rv = pkcs_C_OpenSession(token->slotid, flags, NULL_PTR,
				NULL_PTR, &sp->session);
	if (rv != CKR_OK)
		return (DST_R_CRYPTOFAILURE);
	return (ISC_R_SUCCESS);
}

static isc_result_t
549
token_login(pk11_session_t *sp) {
Evan Hunt's avatar
Evan Hunt committed
550
	CK_RV rv;
551
	pk11_token_t *token = sp->token;
Evan Hunt's avatar
Evan Hunt committed
552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571
	isc_result_t ret = ISC_R_SUCCESS;

	LOCK(&sessionlock);
	if (!token->logged) {
		rv = pkcs_C_Login(sp->session, CKU_USER,
				  (CK_UTF8CHAR_PTR) token->pin,
				  (CK_ULONG) strlen(token->pin));
		if (rv != CKR_OK) {
			ret = ISC_R_NOPERM;
#if PK11_NO_LOGERR
			pk11_error_fatalcheck(__FILE__, __LINE__,
					      "pkcs_C_Login", rv);
#endif
		} else
			token->logged = ISC_TRUE;
	}
	UNLOCK(&sessionlock);
	return (ret);
}

572 573 574 575 576 577 578 579 580
#define PK11_TRACE(fmt) \
	if (pk11_verbose_init) fprintf(stderr, fmt)
#define PK11_TRACE1(fmt, arg) \
	if (pk11_verbose_init) fprintf(stderr, fmt, arg)
#define PK11_TRACE2(fmt, arg1, arg2) \
	if (pk11_verbose_init) fprintf(stderr, fmt, arg1, arg2)
#define PK11_TRACEM(mech) \
	if (pk11_verbose_init) fprintf(stderr, #mech ": 0x%lx\n", rv)

Evan Hunt's avatar
Evan Hunt committed
581
static void
582
scan_slots(void) {
Evan Hunt's avatar
Evan Hunt committed
583 584 585 586 587 588
	CK_MECHANISM_INFO mechInfo;
	CK_TOKEN_INFO tokenInfo;
	CK_RV rv;
	CK_SLOT_ID slot;
	CK_SLOT_ID_PTR slotList;
	CK_ULONG slotCount;
589
	pk11_token_t *token;
Evan Hunt's avatar
Evan Hunt committed
590
	unsigned int i;
591
	isc_boolean_t bad;
Evan Hunt's avatar
Evan Hunt committed
592 593 594

	slotCount = 0;
	PK11_FATALCHECK(pkcs_C_GetSlotList, (CK_FALSE, NULL_PTR, &slotCount));
595
	PK11_TRACE1("slotCount=%lu\n", slotCount);
Evan Hunt's avatar
Evan Hunt committed
596 597 598 599 600 601 602 603 604
	/* it's not an error if we didn't find any providers */
	if (slotCount == 0)
		return;
	slotList = pk11_mem_get(sizeof(CK_SLOT_ID_PTR) * slotCount);
	RUNTIME_CHECK(slotList != NULL);
	PK11_FATALCHECK(pkcs_C_GetSlotList, (CK_FALSE, slotList, &slotCount));

	for (i = 0; i < slotCount; i++) {
		slot = slotList[i];
605
		PK11_TRACE2("slot#%u=0x%lx\n", i, slot);
Evan Hunt's avatar
Evan Hunt committed
606 607 608 609 610 611 612 613 614 615

		rv = pkcs_C_GetTokenInfo(slot, &tokenInfo);
		if (rv != CKR_OK)
			continue;
		token = pk11_mem_get(sizeof(*token));
		RUNTIME_CHECK(token != NULL);
		token->magic = TOK_MAGIC;
		token->slotid = slot;
		ISC_LINK_INIT(token, link);
		ISC_LIST_INIT(token->sessions);
616 617 618 619
		memmove(token->name, tokenInfo.label, 32);
		memmove(token->manuf, tokenInfo.manufacturerID, 32);
		memmove(token->model, tokenInfo.model, 16);
		memmove(token->serial, tokenInfo.serialNumber, 16);
Evan Hunt's avatar
Evan Hunt committed
620
		ISC_LIST_APPEND(tokens, token, link);
621 622
		if ((tokenInfo.flags & CKF_RNG) == 0) {
			PK11_TRACE("no CKF_RNG\n");
Evan Hunt's avatar
Evan Hunt committed
623
			goto try_rsa;
624
		}
Evan Hunt's avatar
Evan Hunt committed
625 626 627 628 629
		token->operations |= 1 << OP_RAND;
		if (rand_token == NULL)
			rand_token = token;

	try_rsa:
630
		bad = ISC_FALSE;
Evan Hunt's avatar
Evan Hunt committed
631 632 633
		rv = pkcs_C_GetMechanismInfo(slot, CKM_RSA_PKCS_KEY_PAIR_GEN,
					     &mechInfo);
		if ((rv != CKR_OK) ||
634 635 636 637
		    ((mechInfo.flags & CKF_GENERATE_KEY_PAIR) == 0)) {
			bad = ISC_TRUE;
			PK11_TRACEM(CKM_RSA_PKCS_KEY_PAIR_GEN);
		}
Evan Hunt's avatar
Evan Hunt committed
638 639 640 641
		rv = pkcs_C_GetMechanismInfo(slot, CKM_MD5_RSA_PKCS,
					     &mechInfo);
		if ((rv != CKR_OK) ||
		    ((mechInfo.flags & CKF_SIGN) == 0) ||
642
		    ((mechInfo.flags & CKF_VERIFY) == 0)) {
643
#if !defined(PK11_MD5_DISABLE) && !defined(PK11_RSA_PKCS_REPLACE)
644 645 646 647
			bad = ISC_TRUE;
#endif
			PK11_TRACEM(CKM_MD5_RSA_PKCS);
		}
Evan Hunt's avatar
Evan Hunt committed
648 649 650 651
		rv = pkcs_C_GetMechanismInfo(slot, CKM_SHA1_RSA_PKCS,
					     &mechInfo);
		if ((rv != CKR_OK) ||
		    ((mechInfo.flags & CKF_SIGN) == 0) ||
652
		    ((mechInfo.flags & CKF_VERIFY) == 0)) {
653
#ifndef PK11_RSA_PKCS_REPLACE
654
			bad = ISC_TRUE;
655
#endif
656 657
			PK11_TRACEM(CKM_SHA1_RSA_PKCS);
		}
Evan Hunt's avatar
Evan Hunt committed
658 659 660 661
		rv = pkcs_C_GetMechanismInfo(slot, CKM_SHA256_RSA_PKCS,
					     &mechInfo);
		if ((rv != CKR_OK) ||
		    ((mechInfo.flags & CKF_SIGN) == 0) ||
662
		    ((mechInfo.flags & CKF_VERIFY) == 0)) {
663
#ifndef PK11_RSA_PKCS_REPLACE
664
			bad = ISC_TRUE;
665
#endif
666 667
			PK11_TRACEM(CKM_SHA256_RSA_PKCS);
		}
Evan Hunt's avatar
Evan Hunt committed
668 669 670 671
		rv = pkcs_C_GetMechanismInfo(slot, CKM_SHA512_RSA_PKCS,
					     &mechInfo);
		if ((rv != CKR_OK) ||
		    ((mechInfo.flags & CKF_SIGN) == 0) ||
672
		    ((mechInfo.flags & CKF_VERIFY) == 0)) {
673
#ifndef PK11_RSA_PKCS_REPLACE
674
			bad = ISC_TRUE;
675
#endif
676 677
			PK11_TRACEM(CKM_SHA512_RSA_PKCS);
		}
678 679 680 681 682 683 684 685 686
		rv = pkcs_C_GetMechanismInfo(slot, CKM_RSA_PKCS, &mechInfo);
		if ((rv != CKR_OK) ||
		    ((mechInfo.flags & CKF_SIGN) == 0) ||
		    ((mechInfo.flags & CKF_VERIFY) == 0)) {
#ifdef PK11_RSA_PKCS_REPLACE
			bad = ISC_TRUE;
#endif
			PK11_TRACEM(CKM_RSA_PKCS);
		}
687
		if (bad)
Evan Hunt's avatar
Evan Hunt committed
688 689 690 691 692 693
			goto try_dsa;
		token->operations |= 1 << OP_RSA;
		if (best_rsa_token == NULL)
			best_rsa_token = token;

	try_dsa:
694
		bad = ISC_FALSE;
Evan Hunt's avatar
Evan Hunt committed
695 696
		rv = pkcs_C_GetMechanismInfo(slot, CKM_DSA_PARAMETER_GEN,
					     &mechInfo);
697 698 699 700 701 702
		if ((rv != CKR_OK) || ((mechInfo.flags & CKF_GENERATE) == 0)) {
#ifndef PK11_DSA_PARAMETER_GEN_SKIP
			bad = ISC_TRUE;
#endif
			PK11_TRACEM(CKM_DSA_PARAMETER_GEN);
		}
Evan Hunt's avatar
Evan Hunt committed
703 704 705
		rv = pkcs_C_GetMechanismInfo(slot, CKM_DSA_KEY_PAIR_GEN,
					     &mechInfo);
		if ((rv != CKR_OK) ||
706 707 708 709
		    ((mechInfo.flags & CKF_GENERATE_KEY_PAIR) == 0)) {
			bad = ISC_TRUE;
			PK11_TRACEM(CKM_DSA_PARAMETER_GEN);
		}
Evan Hunt's avatar
Evan Hunt committed
710 711 712
		rv = pkcs_C_GetMechanismInfo(slot, CKM_DSA_SHA1, &mechInfo);
		if ((rv != CKR_OK) ||
		    ((mechInfo.flags & CKF_SIGN) == 0) ||
713 714 715 716 717
		    ((mechInfo.flags & CKF_VERIFY) == 0)) {
			bad = ISC_TRUE;
			PK11_TRACEM(CKM_DSA_SHA1);
		}
		if (bad)
Evan Hunt's avatar
Evan Hunt committed
718
			goto try_dh;
719
#ifndef PK11_DSA_DISABLE
Evan Hunt's avatar
Evan Hunt committed
720 721 722
		token->operations |= 1 << OP_DSA;
		if (best_dsa_token == NULL)
			best_dsa_token = token;
723
#endif
Evan Hunt's avatar
Evan Hunt committed
724 725

	try_dh:
726
		bad = ISC_FALSE;
Evan Hunt's avatar
Evan Hunt committed
727 728
		rv = pkcs_C_GetMechanismInfo(slot, CKM_DH_PKCS_PARAMETER_GEN,
					     &mechInfo);
729 730 731
		if ((rv != CKR_OK) || ((mechInfo.flags & CKF_GENERATE) == 0)) {
			PK11_TRACEM(CKM_DH_PKCS_PARAMETER_GEN);
		}
Evan Hunt's avatar
Evan Hunt committed
732 733 734
		rv = pkcs_C_GetMechanismInfo(slot, CKM_DH_PKCS_KEY_PAIR_GEN,
					     &mechInfo);
		if ((rv != CKR_OK) ||
735 736 737 738 739 740
		    ((mechInfo.flags & CKF_GENERATE_KEY_PAIR) == 0)) {
#ifndef PK11_DH_PKCS_PARAMETER_GEN_SKIP
			bad = ISC_TRUE;
#endif
			PK11_TRACEM(CKM_DH_PKCS_KEY_PAIR_GEN);
		}
Evan Hunt's avatar
Evan Hunt committed
741 742
		rv = pkcs_C_GetMechanismInfo(slot, CKM_DH_PKCS_DERIVE,
					     &mechInfo);
743 744 745 746 747
		if ((rv != CKR_OK) || ((mechInfo.flags & CKF_DERIVE) == 0)) {
			bad = ISC_TRUE;
			PK11_TRACEM(CKM_DH_PKCS_DERIVE);
		}
		if (bad)
Evan Hunt's avatar
Evan Hunt committed
748
			goto try_digest;
749
#ifndef PK11_DH_DISABLE
Evan Hunt's avatar
Evan Hunt committed
750 751 752
		token->operations |= 1 << OP_DH;
		if (best_dh_token == NULL)
			best_dh_token = token;
753
#endif
Evan Hunt's avatar
Evan Hunt committed
754 755

	try_digest:
756
		bad = ISC_FALSE;
Evan Hunt's avatar
Evan Hunt committed
757
		rv = pkcs_C_GetMechanismInfo(slot, CKM_MD5, &mechInfo);
758 759 760 761 762 763
		if ((rv != CKR_OK) || ((mechInfo.flags & CKF_DIGEST) == 0)) {
#ifndef PK11_MD5_DISABLE
			bad = ISC_TRUE;
#endif
			PK11_TRACEM(CKM_MD5);
		}
Evan Hunt's avatar
Evan Hunt committed
764
		rv = pkcs_C_GetMechanismInfo(slot, CKM_SHA_1, &mechInfo);
765 766 767 768
		if ((rv != CKR_OK) || ((mechInfo.flags & CKF_DIGEST) == 0)) {
			bad = ISC_TRUE;
			PK11_TRACEM(CKM_SHA_1);
		}
Evan Hunt's avatar
Evan Hunt committed
769
		rv = pkcs_C_GetMechanismInfo(slot, CKM_SHA224, &mechInfo);
770 771 772 773
		if ((rv != CKR_OK) || ((mechInfo.flags & CKF_DIGEST) == 0)) {
			bad = ISC_TRUE;
			PK11_TRACEM(CKM_SHA224);
		}
Evan Hunt's avatar
Evan Hunt committed
774
		rv = pkcs_C_GetMechanismInfo(slot, CKM_SHA256, &mechInfo);
775 776 777 778
		if ((rv != CKR_OK) || ((mechInfo.flags & CKF_DIGEST) == 0)) {
			bad = ISC_TRUE;
			PK11_TRACEM(CKM_SHA256);
		}
Evan Hunt's avatar
Evan Hunt committed
779
		rv = pkcs_C_GetMechanismInfo(slot, CKM_SHA384, &mechInfo);
780 781 782 783
		if ((rv != CKR_OK) || ((mechInfo.flags & CKF_DIGEST) == 0)) {
			bad = ISC_TRUE;
			PK11_TRACEM(CKM_SHA384);
		}
Evan Hunt's avatar
Evan Hunt committed
784
		rv = pkcs_C_GetMechanismInfo(slot, CKM_SHA512, &mechInfo);
785 786 787 788
		if ((rv != CKR_OK) || ((mechInfo.flags & CKF_DIGEST) == 0)) {
			bad = ISC_TRUE;
			PK11_TRACEM(CKM_SHA512);
		}
Evan Hunt's avatar
Evan Hunt committed
789
		rv = pkcs_C_GetMechanismInfo(slot, CKM_MD5_HMAC, &mechInfo);
790 791 792
		if ((rv != CKR_OK) || ((mechInfo.flags & CKF_SIGN) == 0)) {
#if !defined(PK11_MD5_DISABLE) && !defined(PK11_MD5_HMAC_REPLACE)
			bad = ISC_TRUE;
Evan Hunt's avatar
Evan Hunt committed
793
#endif
794 795
			PK11_TRACEM(CKM_MD5_HMAC);
		}
Evan Hunt's avatar
Evan Hunt committed
796
		rv = pkcs_C_GetMechanismInfo(slot, CKM_SHA_1_HMAC, &mechInfo);
797 798 799 800 801 802
		if ((rv != CKR_OK) || ((mechInfo.flags & CKF_SIGN) == 0)) {
#ifndef PK11_SHA_1_HMAC_REPLACE
			bad = ISC_TRUE;
#endif
			PK11_TRACEM(CKM_SHA_1_HMAC);
		}
Evan Hunt's avatar
Evan Hunt committed
803
		rv = pkcs_C_GetMechanismInfo(slot, CKM_SHA224_HMAC, &mechInfo);
804 805 806 807 808 809
		if ((rv != CKR_OK) || ((mechInfo.flags & CKF_SIGN) == 0)) {
#ifndef PK11_SHA224_HMAC_REPLACE
			bad = ISC_TRUE;
#endif
			PK11_TRACEM(CKM_SHA224_HMAC);
		}
Evan Hunt's avatar
Evan Hunt committed
810
		rv = pkcs_C_GetMechanismInfo(slot, CKM_SHA256_HMAC, &mechInfo);
811 812 813 814 815 816
		if ((rv != CKR_OK) || ((mechInfo.flags & CKF_SIGN) == 0)) {
#ifndef PK11_SHA256_HMAC_REPLACE
			bad = ISC_TRUE;
#endif
			PK11_TRACEM(CKM_SHA256_HMAC);
		}
Evan Hunt's avatar
Evan Hunt committed
817
		rv = pkcs_C_GetMechanismInfo(slot, CKM_SHA384_HMAC, &mechInfo);
818 819 820 821 822 823
		if ((rv != CKR_OK) || ((mechInfo.flags & CKF_SIGN) == 0)) {
#ifndef PK11_SHA384_HMAC_REPLACE
			bad = ISC_TRUE;
#endif
			PK11_TRACEM(CKM_SHA384_HMAC);
		}
Evan Hunt's avatar
Evan Hunt committed
824
		rv = pkcs_C_GetMechanismInfo(slot, CKM_SHA512_HMAC, &mechInfo);
825 826 827 828 829 830 831 832 833 834 835
		if ((rv != CKR_OK) || ((mechInfo.flags & CKF_SIGN) == 0)) {
#ifndef PK11_SHA512_HMAC_REPLACE
			bad = ISC_TRUE;
#endif
			PK11_TRACEM(CKM_SHA512_HMAC);
		}
		if (!bad) {
			token->operations |= 1 << OP_DIGEST;
			if (digest_token == NULL)
				digest_token = token;
		}
Evan Hunt's avatar
Evan Hunt committed
836 837 838 839 840

		/* ECDSA requires digest */
		rv = pkcs_C_GetMechanismInfo(slot, CKM_EC_KEY_PAIR_GEN,
					     &mechInfo);
		if ((rv != CKR_OK) ||
841 842 843 844
		    ((mechInfo.flags & CKF_GENERATE_KEY_PAIR) == 0)) {
			bad = ISC_TRUE;
			PK11_TRACEM(CKM_EC_KEY_PAIR_GEN);
		}
Evan Hunt's avatar
Evan Hunt committed
845 846 847
		rv = pkcs_C_GetMechanismInfo(slot, CKM_ECDSA, &mechInfo);
		if ((rv != CKR_OK) ||
		    ((mechInfo.flags & CKF_SIGN) == 0) ||
848 849 850 851 852
		    ((mechInfo.flags & CKF_VERIFY) == 0)) {
			bad = ISC_TRUE;
			PK11_TRACEM(CKM_ECDSA);
		}
		if (bad)
Evan Hunt's avatar
Evan Hunt committed
853 854 855 856 857 858
			goto try_gost;
		token->operations |= 1 << OP_EC;
		if (best_ec_token == NULL)
			best_ec_token = token;

	try_gost:
859
		bad = ISC_FALSE;
Evan Hunt's avatar
Evan Hunt committed
860 861
		/* does GOST require digest too? */
		rv = pkcs_C_GetMechanismInfo(slot, CKM_GOSTR3411, &mechInfo);
862 863 864 865
		if ((rv != CKR_OK) || ((mechInfo.flags & CKF_DIGEST) == 0)) {
			bad = ISC_TRUE;
			PK11_TRACEM(CKM_GOSTR3411);
		}
Evan Hunt's avatar
Evan Hunt committed
866 867 868
		rv = pkcs_C_GetMechanismInfo(slot, CKM_GOSTR3410_KEY_PAIR_GEN,
					     &mechInfo);
		if ((rv != CKR_OK) ||
869 870 871 872
		    ((mechInfo.flags & CKF_GENERATE_KEY_PAIR) == 0)) {
			bad = ISC_TRUE;
			PK11_TRACEM(CKM_GOSTR3410_KEY_PAIR_GEN);
		}
Evan Hunt's avatar
Evan Hunt committed
873 874 875 876 877
		rv = pkcs_C_GetMechanismInfo(slot,
					     CKM_GOSTR3410_WITH_GOSTR3411,
					     &mechInfo);
		if ((rv != CKR_OK) ||
		    ((mechInfo.flags & CKF_SIGN) == 0) ||
878 879 880 881 882
		    ((mechInfo.flags & CKF_VERIFY) == 0)) {
			bad = ISC_TRUE;
			PK11_TRACEM(CKM_GOSTR3410_WITH_GOSTR3411);
		}
		if (bad)
883
			goto try_eddsa;
Evan Hunt's avatar
Evan Hunt committed
884 885 886
		token->operations |= 1 << OP_GOST;
		if (best_gost_token == NULL)
			best_gost_token = token;
887

888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907
	try_eddsa:
#if defined(CKM_EDDSA_KEY_PAIR_GEN) && defined(CKM_EDDSA) && defined(CKK_EDDSA)
		bad = ISC_FALSE;
		rv = pkcs_C_GetMechanismInfo(slot, CKM_EDDSA_KEY_PAIR_GEN,
					     &mechInfo);
		if ((rv != CKR_OK) ||
		    ((mechInfo.flags & CKF_GENERATE_KEY_PAIR) == 0)) {
			bad = ISC_TRUE;
			PK11_TRACEM(CKM_EDDSA_KEY_PAIR_GEN);
		}
		rv = pkcs_C_GetMechanismInfo(slot, CKM_EDDSA, &mechInfo);
		if ((rv != CKR_OK) ||
		    ((mechInfo.flags & CKF_SIGN) == 0) ||
		    ((mechInfo.flags & CKF_VERIFY) == 0)) {
			bad = ISC_TRUE;
			PK11_TRACEM(CKM_EDDSA);
		}
		if (bad)
			goto try_aes;

908
	try_aes:
909
#endif
910
		bad = ISC_FALSE;
911
		rv = pkcs_C_GetMechanismInfo(slot, CKM_AES_ECB, &mechInfo);
912 913 914 915 916
		if ((rv != CKR_OK) || ((mechInfo.flags & CKF_ENCRYPT) == 0)) {
			bad = ISC_TRUE;
			PK11_TRACEM(CKM_AES_ECB);
		}
		if (bad)
917 918 919 920
			continue;
		token->operations |= 1 << OP_AES;
		if (aes_token == NULL)
			aes_token = token;
Evan Hunt's avatar
Evan Hunt committed
921 922 923 924 925 926 927
	}

	if (slotList != NULL)
		pk11_mem_put(slotList, sizeof(CK_SLOT_ID_PTR) * slotCount);
}

CK_SLOT_ID
928 929
pk11_get_best_token(pk11_optype_t optype) {
	pk11_token_t *token = NULL;
Evan Hunt's avatar
Evan Hunt committed
930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952

	switch (optype) {
	case OP_RAND:
		token = rand_token;
		break;
	case OP_RSA:
		token = best_rsa_token;
		break;
	case OP_DSA:
		token = best_dsa_token;
		break;
	case OP_DH:
		token = best_dh_token;
		break;
	case OP_DIGEST:
		token = digest_token;
		break;
	case OP_EC:
		token = best_ec_token;
		break;
	case OP_GOST:
		token = best_gost_token;
		break;
953 954 955
	case OP_AES:
		token = aes_token;
		break;
Evan Hunt's avatar
Evan Hunt committed
956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999
	default:
		break;
	}
	if (token == NULL)
		return (0);
	return (token->slotid);
}

unsigned int
pk11_numbits(CK_BYTE_PTR data, unsigned int bytecnt) {
	unsigned int bitcnt, i;
	CK_BYTE top;

	if (bytecnt == 0)
		return (0);
	bitcnt = bytecnt * 8;
	for (i = 0; i < bytecnt; i++) {
		top = data[i];
		if (top == 0) {
			bitcnt -= 8;
			continue;
		}
		if (top & 0x80)
			return (bitcnt);
		if (top & 0x40)
			return (bitcnt - 1);
		if (top & 0x20)
			return (bitcnt - 2);
		if (top & 0x10)
			return (bitcnt - 3);
		if (top & 0x08)
			return (bitcnt - 4);
		if (top & 0x04)
			return (bitcnt - 5);
		if (top & 0x02)
			return (bitcnt - 6);
		if (top & 0x01)
			return (bitcnt - 7);
		break;
	}
	INSIST(0);
}

CK_ATTRIBUTE *
1000
pk11_attribute_first(const pk11_object_t *obj) {
Evan Hunt's avatar
Evan Hunt committed
1001 1002 1003 1004
	return (obj->repr);
}

CK_ATTRIBUTE *
1005
pk11_attribute_next(const pk11_object_t *obj, CK_ATTRIBUTE *attr) {
Evan Hunt's avatar
Evan Hunt committed
1006 1007 1008 1009 1010 1011 1012 1013 1014
	CK_ATTRIBUTE *next;

	next = attr + 1;
	if ((next - obj->repr) >= obj->attrcnt)
		return (NULL);
	return (next);
}

CK_ATTRIBUTE *
1015
pk11_attribute_bytype(const pk11_object_t *obj, CK_ATTRIBUTE_TYPE type) {
Evan Hunt's avatar
Evan Hunt committed
1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121
	CK_ATTRIBUTE *attr;

	for(attr = pk11_attribute_first(obj);
	    attr != NULL;
	    attr = pk11_attribute_next(obj, attr))
		if (attr->type == type)
			return (attr);
	return (NULL);
}

static char *
percent_decode(char *x, size_t *len) {
	char *p, *c;
	unsigned char v;

	INSIST(len != NULL);

	for (p = c = x; p[0] != '\0'; p++, c++) {
		switch (p[0]) {
		case '%':
			v = 0;
			switch (p[1]) {
			case '0':
			case '1':
			case '2':
			case '3':
			case '4':
			case '5':
			case '6':
			case '7':
			case '8':
			case '9':
				v = (p[1] - '0') << 4;
				break;
			case 'A':
			case 'B':
			case 'C':
			case 'D':
			case 'E':
			case 'F':
				v = (p[1] - 'A' + 10) << 4;
				break;
			case 'a':
			case 'b':
			case 'c':
			case 'd':
			case 'e':
			case 'f':
				v = (p[1] - 'a' + 10) << 4;
				break;
			default:
				return (NULL);
			}
			switch (p[2]) {
			case '0':
			case '1':
			case '2':
			case '3':
			case '4':
			case '5':
			case '6':
			case '7':
			case '8':
			case '9':
				v |= (p[2] - '0') & 0x0f;
				break;
			case 'A':
			case 'B':
			case 'C':
			case 'D':
			case 'E':
			case 'F':
				v = (p[2] - 'A' + 10) & 0x0f;
				break;
			case 'a':
			case 'b':
			case 'c':
			case 'd':
			case 'e':
			case 'f':
				v = (p[2] - 'a' + 10) & 0x0f;
				break;
			default:
				return (NULL);
			}
			p += 2;
			*c = (char) v;
			(*len)++;
			break;
		default:
			*c = *p;
			(*len)++;
		}
	}
	return (x);
}

static isc_boolean_t
pk11strcmp(const char *x, size_t lenx, const char *y, size_t leny) {
	char buf[32];

	INSIST((leny == 32) || (leny == 16));

	memset(buf, ' ', 32);
	if (lenx > leny)
		lenx = leny;
1122
	memmove(buf, x, lenx);
Evan Hunt's avatar
Evan Hunt committed
1123 1124 1125 1126
	return (ISC_TF(memcmp(buf, y, leny) == 0));
}

static CK_ATTRIBUTE *
1127
push_attribute(pk11_object_t *obj, isc_mem_t *mctx, size_t len) {
Evan Hunt's avatar
Evan Hunt committed
1128 1129 1130 1131 1132 1133 1134 1135 1136 1137
	CK_ATTRIBUTE *old = obj->repr;
	CK_ATTRIBUTE *attr;
	CK_BYTE cnt = obj->attrcnt;

	obj->repr = isc_mem_get(mctx, (cnt + 1) * sizeof(*attr));
	if (obj->repr == NULL) {
		obj->repr = old;
		return (NULL);
	}
	memset(obj->repr, 0, (cnt + 1) * sizeof(*attr));
1138
	memmove(obj->repr, old, cnt * sizeof(*attr));
Evan Hunt's avatar
Evan Hunt committed
1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159
	attr = obj->repr + cnt;
	attr->ulValueLen = (CK_ULONG) len;
	attr->pValue = isc_mem_get(mctx, len);
	if (attr->pValue == NULL) {
		memset(obj->repr, 0, (cnt + 1) * sizeof(*attr));
		isc_mem_put(mctx, obj->repr, (cnt + 1) * sizeof(*attr));
		obj->repr = old;
		return (NULL);
	}
	memset(attr->pValue, 0, len);
	if (old != NULL) {
		memset(old, 0, cnt * sizeof(*attr));
		isc_mem_put(mctx, old, cnt * sizeof(*attr));
	}
	obj->attrcnt++;
	return (attr);
}

#define DST_RET(a)	{ ret = a; goto err; }

isc_result_t
1160 1161
pk11_parse_uri(pk11_object_t *obj, const char *label,
	       isc_mem_t *mctx, pk11_optype_t optype)
Evan Hunt's avatar
Evan Hunt committed
1162 1163
{
	CK_ATTRIBUTE *attr;
1164
	pk11_token_t *token = NULL;
Evan Hunt's avatar
Evan Hunt committed
1165 1166 1167
	char *uri, *p, *a, *na, *v;
	size_t len, l;
	FILE *stream = NULL;
1168
	char pin[PINLEN + 1];
Evan Hunt's avatar
Evan Hunt committed
1169 1170 1171 1172 1173 1174 1175 1176
	isc_boolean_t gotpin = ISC_FALSE;
	isc_result_t ret;

	/* get values to work on */
	len = strlen(label) + 1;
	uri = isc_mem_get(mctx, len);
	if (uri == NULL)
		return (ISC_R_NOMEMORY);
1177
	memmove(uri, label, len);
Evan Hunt's avatar
Evan Hunt committed
1178 1179 1180 1181

	/* get the URI scheme */
	p = strchr(uri, ':');
	if (p == NULL)
1182
		DST_RET(PK11_R_NOPROVIDER);
Evan Hunt's avatar
Evan Hunt committed
1183 1184
	*p++ = '\0';
	if (strcmp(uri, "pkcs11") != 0)
1185
		DST_RET(PK11_R_NOPROVIDER);
Evan Hunt's avatar
Evan Hunt committed
1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206

	/* get attributes */
	for (na = p; na != NULL;) {
		a = na;
		p = strchr(a, ';');
		if (p == NULL) {
			/* last attribute */
			na = NULL;
		} else {
			*p++ = '\0';
			na = p;
		}
		p = strchr(a, '=');
		if (p != NULL) {
			*p++ = '\0';
			v = p;
		} else
			v = a;
		l = 0;
		v = percent_decode(v, &l);
		if (v == NULL)
1207
			DST_RET(PK11_R_NOPROVIDER);
Evan Hunt's avatar
Evan Hunt committed
1208 1209 1210 1211
		if ((a == v) || (strcmp(a, "object") == 0)) {
			/* object: CKA_LABEL */
			attr = pk11_attribute_bytype(obj, CKA_LABEL);
			if (attr != NULL)
1212
				DST_RET(PK11_R_NOPROVIDER);
Evan Hunt's avatar
Evan Hunt committed
1213 1214 1215 1216
			attr = push_attribute(obj, mctx, l);
			if (attr == NULL)
				DST_RET(ISC_R_NOMEMORY);
			attr->type = CKA_LABEL;
1217
			memmove(attr->pValue, v, l);
Evan Hunt's avatar
Evan Hunt committed
1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259
		} else if (strcmp(a, "token") == 0) {
			/* token: CK_TOKEN_INFO label */
			if (token == NULL)
				for (token = ISC_LIST_HEAD(tokens);
				     token != NULL;
				     token = ISC_LIST_NEXT(token, link))
					if (pk11strcmp(v, l, token->name, 32))
						break;
		} else if (strcmp(a, "manufacturer") == 0) {
			/* manufacturer: CK_TOKEN_INFO manufacturerID */
			if (token == NULL)
				for (token = ISC_LIST_HEAD(tokens);
				     token != NULL;
				     token = ISC_LIST_NEXT(token, link))
					if (pk11strcmp(v, l, token->manuf, 32))
						break;
		} else if (strcmp(a, "serial") == 0) {
			/* serial: CK_TOKEN_INFO serialNumber */
			if (token == NULL)
				for (token = ISC_LIST_HEAD(tokens);
				     token != NULL;
				     token = ISC_LIST_NEXT(token, link))
					if (pk11strcmp(v, l, token->serial, 16))
						break;
		} else if (strcmp(a, "model") == 0) {
			/* model: CK_TOKEN_INFO model */
			if (token == NULL)
				for (token = ISC_LIST_HEAD(tokens);
				     token != NULL;
				     token = ISC_LIST_NEXT(token, link))
					if (pk11strcmp(v, l, token->model, 16))
						break;
		} else if (strcmp(a, "library-manufacturer") == 0) {
			/* ignored */
		} else if (strcmp(a, "library-description") == 0) {
			/* ignored */
		} else if (strcmp(a, "library-version") == 0) {
			/* ignored */
		} else if (strcmp(a, "object-type") == 0) {