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[thirdparty/openssl.git] / engines / e_capi.c
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7a18ecb2
DSH		 1/* engines/e_capi.c */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project.
4 */
5/* ====================================================================
6 * Copyright (c) 2008 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 */
53
54
55#include <stdio.h>
56#include <string.h>
57#include <openssl/crypto.h>
58#include <openssl/buffer.h>
7a18ecb2 59#include <openssl/bn.h>
7a18ecb2
DSH		 60
61#ifdef OPENSSL_SYS_WIN32
62#ifndef OPENSSL_NO_CAPIENG
63
d4f0339c 64#include <openssl/rsa.h>
a0f3679b 65
f79262e9 66#include <windows.h>
a0f3679b
DSH		 67
68#ifndef _WIN32_WINNT
69#define _WIN32_WINNT 0x0400
70#endif
71
f79262e9 72#include <wincrypt.h>
7a18ecb2 73
f87e3078
AP		 74/*
75 * This module uses several "new" interfaces, among which is
76 * CertGetCertificateContextProperty. CERT_KEY_PROV_INFO_PROP_ID is
77 * one of possible values you can pass to function in question. By
78 * checking if it's defined we can see if wincrypt.h and accompanying
6b02f9fa
DSH		 79 * crypt32.lib are in shape. The native MingW32 headers up to and
80 * including __W32API_VERSION 3.14 lack of struct DSSPUBKEY and the
81 * defines CERT_STORE_PROV_SYSTEM_A and CERT_STORE_READONLY_FLAG,
82 * so we check for these too and avoid compiling.
83 * Yes, it's rather "weak" test and if compilation fails,
84 * then re-configure with -DOPENSSL_NO_CAPIENG.
f87e3078 85 */
6b02f9fa
DSH		 86#if defined(CERT_KEY_PROV_INFO_PROP_ID) && \
87 defined(CERT_STORE_PROV_SYSTEM_A) && \
88 defined(CERT_STORE_READONLY_FLAG)
f87e3078
AP		 89# define __COMPILE_CAPIENG
90#endif /* CERT_KEY_PROV_INFO_PROP_ID */
91#endif /* OPENSSL_NO_CAPIENG */
92#endif /* OPENSSL_SYS_WIN32 */
93
94#ifdef __COMPILE_CAPIENG
95
11f3cee9
DSH		 96#undef X509_EXTENSIONS
97#undef X509_CERT_PAIR
98
a0f3679b
DSH		 99/* Definitions which may be missing from earlier version of headers */
100#ifndef CERT_STORE_OPEN_EXISTING_FLAG
101#define CERT_STORE_OPEN_EXISTING_FLAG 0x00004000
102#endif
103
104#ifndef CERT_STORE_CREATE_NEW_FLAG
105#define CERT_STORE_CREATE_NEW_FLAG 0x00002000
106#endif
107
6c6bdd54
DSH		 108#ifndef CERT_SYSTEM_STORE_CURRENT_USER
109#define CERT_SYSTEM_STORE_CURRENT_USER 0x00010000
82f385d7 110#endif
6c6bdd54 111
11f3cee9
DSH		 112#include <openssl/engine.h>
113#include <openssl/pem.h>
2836cb38 114#include <openssl/x509v3.h>
37cf49a3 115
7a18ecb2
DSH		 116#include "e_capi_err.h"
117#include "e_capi_err.c"
118
119
120static const char *engine_capi_id = "capi";
121static const char *engine_capi_name = "CryptoAPI ENGINE";
122
123typedef struct CAPI_CTX_st CAPI_CTX;
124typedef struct CAPI_KEY_st CAPI_KEY;
125
126static void capi_addlasterror(void);
127static void capi_adderror(DWORD err);
128
129static void CAPI_trace(CAPI_CTX *ctx, char *format, ...);
130
131static int capi_list_providers(CAPI_CTX *ctx, BIO *out);
132static int capi_list_containers(CAPI_CTX *ctx, BIO *out);
133int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *storename);
134void capi_free_key(CAPI_KEY *key);
135
136static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore);
137
138CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id);
139
140static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
141 UI_METHOD *ui_method, void *callback_data);
142static int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
143 unsigned char *sigret, unsigned int *siglen, const RSA *rsa);
144static int capi_rsa_priv_enc(int flen, const unsigned char *from,
145 unsigned char *to, RSA *rsa, int padding);
146static int capi_rsa_priv_dec(int flen, const unsigned char *from,
147 unsigned char *to, RSA *rsa, int padding);
148static int capi_rsa_free(RSA *rsa);
149
150static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
151 DSA *dsa);
152static int capi_dsa_free(DSA *dsa);
b3c8dd4e
DSH		 153
154static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
155 STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **pkey,
156 STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data);
1cd504e7
DSH		 157
158static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
159#ifdef OPENSSL_CAPIENG_DIALOG
160static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
161#endif
162
163typedef PCCERT_CONTEXT (WINAPI *CERTDLG)(HCERTSTORE, HWND, LPCWSTR,
164 LPCWSTR, DWORD, DWORD,
165 void *);
166typedef HWND (WINAPI *GETCONSWIN)(void);
167
7a18ecb2
DSH		 168/* This structure contains CAPI ENGINE specific data:
169 * it contains various global options and affects how
170 * other functions behave.
171 */
172
173#define CAPI_DBG_TRACE 2
174#define CAPI_DBG_ERROR 1
175
176struct CAPI_CTX_st {
177 int debug_level;
178 char *debug_file;
179 /* Parameters to use for container lookup */
180 DWORD keytype;
01483c26 181 LPSTR cspname;
7a18ecb2
DSH		 182 DWORD csptype;
183 /* Certificate store name to use */
01483c26
AP		 184 LPSTR storename;
185 LPSTR ssl_client_store;
46d47828
DSH		 186 /* System store flags */
187 DWORD store_flags;
7a18ecb2
DSH		 188
189/* Lookup string meanings in load_private_key */
190/* Substring of subject: uses "storename" */
0b368578 191#define CAPI_LU_SUBSTR 1
7a18ecb2 192/* Friendly name: uses storename */
0b368578 193#define CAPI_LU_FNAME 2
7a18ecb2 194/* Container name: uses cspname, keytype */
0b368578 195#define CAPI_LU_CONTNAME 3
7a18ecb2
DSH		 196 int lookup_method;
197/* Info to dump with dumpcerts option */
198/* Issuer and serial name strings */
199#define CAPI_DMP_SUMMARY 0x1
200/* Friendly name */
201#define CAPI_DMP_FNAME 0x2
202/* Full X509_print dump */
203#define CAPI_DMP_FULL 0x4
204/* Dump PEM format certificate */
205#define CAPI_DMP_PEM 0x8
206/* Dump pseudo key (if possible) */
207#define CAPI_DMP_PSKEY 0x10
208/* Dump key info (if possible) */
209#define CAPI_DMP_PKEYINFO 0x20
210
211 DWORD dump_flags;
1cd504e7
DSH		 212 int (*client_cert_select)(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
213
214 CERTDLG certselectdlg;
215 GETCONSWIN getconswindow;
7a18ecb2
DSH		 216};
217
218
219static CAPI_CTX *capi_ctx_new();
220static void capi_ctx_free(CAPI_CTX *ctx);
221static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check);
222static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx);
223
b3c8dd4e 224#define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE
7a18ecb2
DSH		 225#define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1)
226#define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2)
b3c8dd4e
DSH		 227#define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3)
228#define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4)
229#define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5)
7a18ecb2
DSH		 230#define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6)
231#define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7)
232#define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8)
233#define CAPI_CMD_LIST_CONTAINERS (ENGINE_CMD_BASE + 9)
234#define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10)
235#define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11)
c621c7e4 236#define CAPI_CMD_STORE_NAME (ENGINE_CMD_BASE + 12)
46d47828 237#define CAPI_CMD_STORE_FLAGS (ENGINE_CMD_BASE + 13)
7a18ecb2
DSH		 238
239static const ENGINE_CMD_DEFN capi_cmd_defns[] = {
240 {CAPI_CMD_LIST_CERTS,
241 "list_certs",
242 "List all certificates in store",
243 ENGINE_CMD_FLAG_NO_INPUT},
244 {CAPI_CMD_LOOKUP_CERT,
245 "lookup_cert",
246 "Lookup and output certificates",
247 ENGINE_CMD_FLAG_STRING},
248 {CAPI_CMD_DEBUG_LEVEL,
249 "debug_level",
250 "debug level (1=errors, 2=trace)",
251 ENGINE_CMD_FLAG_NUMERIC},
252 {CAPI_CMD_DEBUG_FILE,
253 "debug_file",
254 "debugging filename)",
255 ENGINE_CMD_FLAG_STRING},
256 {CAPI_CMD_KEYTYPE,
257 "key_type",
258 "Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE",
259 ENGINE_CMD_FLAG_NUMERIC},
260 {CAPI_CMD_LIST_CSPS,
261 "list_csps",
262 "List all CSPs",
263 ENGINE_CMD_FLAG_NO_INPUT},
264 {CAPI_CMD_SET_CSP_IDX,
265 "csp_idx",
266 "Set CSP by index",
267 ENGINE_CMD_FLAG_NUMERIC},
268 {CAPI_CMD_SET_CSP_NAME,
269 "csp_name",
270 "Set CSP name, (default CSP used if not specified)",
271 ENGINE_CMD_FLAG_STRING},
272 {CAPI_CMD_SET_CSP_TYPE,
273 "csp_type",
274 "Set CSP type, (default RSA_PROV_FULL)",
275 ENGINE_CMD_FLAG_NUMERIC},
276 {CAPI_CMD_LIST_CONTAINERS,
277 "list_containers",
278 "list container names",
279 ENGINE_CMD_FLAG_NO_INPUT},
280 {CAPI_CMD_LIST_OPTIONS,
281 "list_options",
282 "Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, "
283 "32=private key info)",
284 ENGINE_CMD_FLAG_NUMERIC},
285 {CAPI_CMD_LOOKUP_METHOD,
286 "lookup_method",
287 "Set key lookup method (1=substring, 2=friendlyname, 3=container name)",
288 ENGINE_CMD_FLAG_NUMERIC},
c621c7e4
DSH		 289 {CAPI_CMD_STORE_NAME,
290 "store_name",
291 "certificate store name, default \"MY\"",
292 ENGINE_CMD_FLAG_STRING},
46d47828
DSH		 293 {CAPI_CMD_STORE_FLAGS,
294 "store_flags",
295 "Certificate store flags: 1 = system store",
296 ENGINE_CMD_FLAG_NUMERIC},
7a18ecb2
DSH		 297
298 {0, NULL, NULL, 0}
299 };
300
301static int capi_idx = -1;
302static int rsa_capi_idx = -1;
303static int dsa_capi_idx = -1;
7d537d4f 304static int cert_capi_idx = -1;
7a18ecb2
DSH		 305
306static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
2aa2a577 307 {
7a18ecb2
DSH		 308 int ret = 1;
309 CAPI_CTX *ctx;
310 BIO *out;
311 if (capi_idx == -1)
312 {
313 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED);
314 return 0;
315 }
316 ctx = ENGINE_get_ex_data(e, capi_idx);
317 out = BIO_new_fp(stdout, BIO_NOCLOSE);
318 switch (cmd)
319 {
320 case CAPI_CMD_LIST_CSPS:
321 ret = capi_list_providers(ctx, out);
322 break;
323
324 case CAPI_CMD_LIST_CERTS:
325 ret = capi_list_certs(ctx, out, NULL);
326 break;
327
328 case CAPI_CMD_LOOKUP_CERT:
329 ret = capi_list_certs(ctx, out, p);
330 break;
331
332 case CAPI_CMD_LIST_CONTAINERS:
333 ret = capi_list_containers(ctx, out);
334 break;
335
c621c7e4 336 case CAPI_CMD_STORE_NAME:
953174f4
DSH		 337 if (ctx->storename)
338 OPENSSL_free(ctx->storename);
c621c7e4
DSH		 339 ctx->storename = BUF_strdup(p);
340 CAPI_trace(ctx, "Setting store name to %s\n", p);
341 break;
342
46d47828
DSH		 343 case CAPI_CMD_STORE_FLAGS:
344 if (i & 1)
345 {
346 ctx->store_flags |= CERT_SYSTEM_STORE_LOCAL_MACHINE;
347 ctx->store_flags &= ~CERT_SYSTEM_STORE_CURRENT_USER;
348 }
349 else
350 {
351 ctx->store_flags |= CERT_SYSTEM_STORE_CURRENT_USER;
352 ctx->store_flags &= ~CERT_SYSTEM_STORE_LOCAL_MACHINE;
353 }
354 CAPI_trace(ctx, "Setting flags to %d\n", i);
355 break;
356
7a18ecb2
DSH		 357 case CAPI_CMD_DEBUG_LEVEL:
358 ctx->debug_level = (int)i;
359 CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level);
360 break;
361
362 case CAPI_CMD_DEBUG_FILE:
363 ctx->debug_file = BUF_strdup(p);
364 CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file);
365 break;
366
367 case CAPI_CMD_KEYTYPE:
368 ctx->keytype = i;
369 CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype);
370 break;
371
372 case CAPI_CMD_SET_CSP_IDX:
373 ret = capi_ctx_set_provname_idx(ctx, i);
374 break;
375
376 case CAPI_CMD_LIST_OPTIONS:
377 ctx->dump_flags = i;
378 break;
379
380 case CAPI_CMD_LOOKUP_METHOD:
381 if (i < 1 || i > 3)
382 {
383 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD);
384 return 0;
385 }
386 ctx->lookup_method = i;
387 break;
388
389 case CAPI_CMD_SET_CSP_NAME:
390 ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1);
391 break;
392
393 case CAPI_CMD_SET_CSP_TYPE:
394 ctx->csptype = i;
395 break;
396
397 default:
398 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND);
399 ret = 0;
400 }
401
402 BIO_free(out);
403 return ret;
404
2aa2a577 405 }
7a18ecb2
DSH		 406
407static RSA_METHOD capi_rsa_method =
408 {
409 "CryptoAPI RSA method",
410 0, /* pub_enc */
411 0, /* pub_dec */
412 capi_rsa_priv_enc, /* priv_enc */
413 capi_rsa_priv_dec, /* priv_dec */
414 0, /* rsa_mod_exp */
415 0, /* bn_mod_exp */
416 0, /* init */
417 capi_rsa_free, /* finish */
418 RSA_FLAG_SIGN_VER, /* flags */
419 NULL, /* app_data */
420 capi_rsa_sign, /* rsa_sign */
421 0 /* rsa_verify */
422 };
423
424static DSA_METHOD capi_dsa_method =
425 {
426 "CryptoAPI DSA method",
427 capi_dsa_do_sign, /* dsa_do_sign */
428 0, /* dsa_sign_setup */
429 0, /* dsa_do_verify */
430 0, /* dsa_mod_exp */
431 0, /* bn_mod_exp */
432 0, /* init */
433 capi_dsa_free, /* finish */
434 0, /* flags */
435 NULL, /* app_data */
436 0, /* dsa_paramgen */
437 0 /* dsa_keygen */
438 };
439
440static int capi_init(ENGINE *e)
441 {
442 CAPI_CTX *ctx;
443 const RSA_METHOD *ossl_rsa_meth;
444 const DSA_METHOD *ossl_dsa_meth;
445 capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0);
7d537d4f 446 cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0);
7a18ecb2
DSH		 447
448 ctx = capi_ctx_new();
449 if (!ctx || (capi_idx < 0))
450 goto memerr;
451
452 ENGINE_set_ex_data(e, capi_idx, ctx);
453 /* Setup RSA_METHOD */
454 rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
455 ossl_rsa_meth = RSA_PKCS1_SSLeay();
456 capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc;
457 capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec;
458 capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp;
459 capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp;
460
461 /* Setup DSA Method */
462 dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
463 ossl_dsa_meth = DSA_OpenSSL();
464 capi_dsa_method.dsa_do_verify = ossl_dsa_meth->dsa_do_verify;
465 capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp;
466 capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp;
467
1cd504e7
DSH		 468#ifdef OPENSSL_CAPIENG_DIALOG
469 {
470 HMODULE cryptui = LoadLibrary(TEXT("CRYPTUI.DLL"));
01483c26 471 HMODULE kernel = GetModuleHandle(TEXT("KERNEL32.DLL"));
1cd504e7
DSH		 472 if (cryptui)
473 ctx->certselectdlg = (CERTDLG)GetProcAddress(cryptui, "CryptUIDlgSelectCertificateFromStore");
474 if (kernel)
475 ctx->getconswindow = (GETCONSWIN)GetProcAddress(kernel, "GetConsoleWindow");
46d47828 476 if (cryptui && !OPENSSL_isservice())
1cd504e7
DSH		 477 ctx->client_cert_select = cert_select_dialog;
478 }
479#endif
480
481
7a18ecb2
DSH		 482 return 1;
483
484 memerr:
485 CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE);
486 return 0;
487
488 return 1;
489 }
490
491static int capi_destroy(ENGINE *e)
492 {
7a18ecb2
DSH		 493 ERR_unload_CAPI_strings();
494 return 1;
495 }
496
497static int capi_finish(ENGINE *e)
498 {
499 CAPI_CTX *ctx;
500 ctx = ENGINE_get_ex_data(e, capi_idx);
501 capi_ctx_free(ctx);
502 ENGINE_set_ex_data(e, capi_idx, NULL);
503 return 1;
504 }
505
506
507/* CryptoAPI key application data. This contains
508 * a handle to the private key container (for sign operations)
509 * and a handle to the key (for decrypt operations).
510 */
511
512struct CAPI_KEY_st
513 {
7d537d4f 514 /* Associated certificate context (if any) */
e0f7b872 515 PCCERT_CONTEXT pcert;
7a18ecb2
DSH		 516 HCRYPTPROV hprov;
517 HCRYPTKEY key;
4be0a5d4 518 DWORD keyspec;
7a18ecb2
DSH		 519 };
520
521static int bind_capi(ENGINE *e)
522 {
523 if (!ENGINE_set_id(e, engine_capi_id)
524 || !ENGINE_set_name(e, engine_capi_name)
525 || !ENGINE_set_init_function(e, capi_init)
526 || !ENGINE_set_finish_function(e, capi_finish)
527 || !ENGINE_set_destroy_function(e, capi_destroy)
528 || !ENGINE_set_RSA(e, &capi_rsa_method)
529 || !ENGINE_set_DSA(e, &capi_dsa_method)
530 || !ENGINE_set_load_privkey_function(e, capi_load_privkey)
b3c8dd4e
DSH		 531 || !ENGINE_set_load_ssl_client_cert_function(e,
532 capi_load_ssl_client_cert)
7a18ecb2
DSH		 533 || !ENGINE_set_cmd_defns(e, capi_cmd_defns)
534 || !ENGINE_set_ctrl_function(e, capi_ctrl))
535 return 0;
536 ERR_load_CAPI_strings();
537
538 return 1;
539
540 }
541
542#ifndef OPENSSL_NO_DYNAMIC_ENGINE
543static int bind_helper(ENGINE *e, const char *id)
544 {
545 if(id && (strcmp(id, engine_capi_id) != 0))
546 return 0;
547 if(!bind_capi(e))
548 return 0;
549 return 1;
550 }
551IMPLEMENT_DYNAMIC_CHECK_FN()
552IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
553#else
554static ENGINE *engine_capi(void)
555 {
556 ENGINE *ret = ENGINE_new();
557 if(!ret)
558 return NULL;
559 if(!bind_capi(ret))
560 {
561 ENGINE_free(ret);
562 return NULL;
563 }
564 return ret;
565 }
566
567void ENGINE_load_capi(void)
568 {
569 /* Copied from eng_[openssl|dyn].c */
570 ENGINE *toadd = engine_capi();
571 if(!toadd) return;
572 ENGINE_add(toadd);
573 ENGINE_free(toadd);
574 ERR_clear_error();
575 }
576#endif
577
578
579static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
580 {
581 int i;
582 /* Reverse buffer in place: since this is a keyblob structure
583 * that will be freed up after conversion anyway it doesn't
584 * matter if we change it.
585 */
586 for(i = 0; i < binlen / 2; i++)
587 {
588 unsigned char c;
589 c = bin[i];
590 bin[i] = bin[binlen - i - 1];
591 bin[binlen - i - 1] = c;
592 }
593
594 if (!BN_bin2bn(bin, binlen, bn))
595 return 0;
596 return 1;
597 }
598
b3c8dd4e
DSH		 599/* Given a CAPI_KEY get an EVP_PKEY structure */
600
601static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY *key)
7a18ecb2 602 {
7a18ecb2
DSH		 603 unsigned char *pubkey = NULL;
604 DWORD len;
605 BLOBHEADER *bh;
606 RSA *rkey = NULL;
607 DSA *dkey = NULL;
b3c8dd4e 608 EVP_PKEY *ret = NULL;
7a18ecb2
DSH		 609 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len))
610 {
b3c8dd4e 611 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
7a18ecb2
DSH		 612 capi_addlasterror();
613 return NULL;
614 }
615
616 pubkey = OPENSSL_malloc(len);
617
618 if (!pubkey)
619 goto memerr;
620
621 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len))
622 {
b3c8dd4e 623 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
7a18ecb2
DSH		 624 capi_addlasterror();
625 goto err;
626 }
627
628 bh = (BLOBHEADER *)pubkey;
629 if (bh->bType != PUBLICKEYBLOB)
630 {
b3c8dd4e 631 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
7a18ecb2
DSH		 632 goto err;
633 }
634 if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX)
635 {
636 RSAPUBKEY *rp;
637 DWORD rsa_modlen;
638 unsigned char *rsa_modulus;
639 rp = (RSAPUBKEY *)(bh + 1);
640 if (rp->magic != 0x31415352)
641 {
642 char magstr[10];
643 BIO_snprintf(magstr, 10, "%lx", rp->magic);
b3c8dd4e 644 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
7a18ecb2
DSH		 645 ERR_add_error_data(2, "magic=0x", magstr);
646 goto err;
647 }
648 rsa_modulus = (unsigned char *)(rp + 1);
649 rkey = RSA_new_method(eng);
650 if (!rkey)
651 goto memerr;
652
653 rkey->e = BN_new();
654 rkey->n = BN_new();
655
656 if (!rkey->e || !rkey->n)
657 goto memerr;
658
659 if (!BN_set_word(rkey->e, rp->pubexp))
660 goto memerr;
661
662 rsa_modlen = rp->bitlen / 8;
663 if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen))
664 goto memerr;
665
666 RSA_set_ex_data(rkey, rsa_capi_idx, key);
667
668 if (!(ret = EVP_PKEY_new()))
669 goto memerr;
670
671 EVP_PKEY_assign_RSA(ret, rkey);
672 rkey = NULL;
673
674 }
675 else if (bh->aiKeyAlg == CALG_DSS_SIGN)
676 {
677 DSSPUBKEY *dp;
678 DWORD dsa_plen;
679 unsigned char *btmp;
680 dp = (DSSPUBKEY *)(bh + 1);
681 if (dp->magic != 0x31535344)
682 {
683 char magstr[10];
684 BIO_snprintf(magstr, 10, "%lx", dp->magic);
b3c8dd4e 685 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
7a18ecb2
DSH		 686 ERR_add_error_data(2, "magic=0x", magstr);
687 goto err;
688 }
689 dsa_plen = dp->bitlen / 8;
690 btmp = (unsigned char *)(dp + 1);
691 dkey = DSA_new_method(eng);
692 if (!dkey)
693 goto memerr;
694 dkey->p = BN_new();
695 dkey->q = BN_new();
696 dkey->g = BN_new();
697 dkey->pub_key = BN_new();
698 if (!dkey->p || !dkey->q || !dkey->g || !dkey->pub_key)
699 goto memerr;
700 if (!lend_tobn(dkey->p, btmp, dsa_plen))
701 goto memerr;
702 btmp += dsa_plen;
703 if (!lend_tobn(dkey->q, btmp, 20))
704 goto memerr;
705 btmp += 20;
706 if (!lend_tobn(dkey->g, btmp, dsa_plen))
707 goto memerr;
708 btmp += dsa_plen;
709 if (!lend_tobn(dkey->pub_key, btmp, dsa_plen))
710 goto memerr;
711 btmp += dsa_plen;
712
713 DSA_set_ex_data(dkey, dsa_capi_idx, key);
714
715 if (!(ret = EVP_PKEY_new()))
716 goto memerr;
717
718 EVP_PKEY_assign_DSA(ret, dkey);
719 dkey = NULL;
720 }
721 else
722 {
723 char algstr[10];
724 BIO_snprintf(algstr, 10, "%lx", bh->aiKeyAlg);
b3c8dd4e 725 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
7a18ecb2
DSH		 726 ERR_add_error_data(2, "aiKeyAlg=0x", algstr);
727 goto err;
728 }
729
b3c8dd4e 730
7a18ecb2
DSH		 731 err:
732 if (pubkey)
733 OPENSSL_free(pubkey);
734 if (!ret)
735 {
736 if (rkey)
737 RSA_free(rkey);
738 if (dkey)
739 DSA_free(dkey);
7a18ecb2
DSH		 740 }
741
742 return ret;
743
744memerr:
9be8035b 745 CAPIerr(CAPI_F_CAPI_GET_PKEY, ERR_R_MALLOC_FAILURE);
7a18ecb2
DSH		 746 goto err;
747
748 }
749
b3c8dd4e
DSH		 750static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
751 UI_METHOD *ui_method, void *callback_data)
752 {
753 CAPI_CTX *ctx;
754 CAPI_KEY *key;
755 EVP_PKEY *ret;
756 ctx = ENGINE_get_ex_data(eng, capi_idx);
757
758 if (!ctx)
759 {
760 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
761 return NULL;
762 }
763
764 key = capi_find_key(ctx, key_id);
765
766 if (!key)
767 return NULL;
768
769 ret = capi_get_pkey(eng, key);
770
771 if (!ret)
772 capi_free_key(key);
773 return ret;
774
775 }
776
7a18ecb2
DSH		 777/* CryptoAPI RSA operations */
778
779int capi_rsa_priv_enc(int flen, const unsigned char *from,
780 unsigned char *to, RSA *rsa, int padding)
781 {
782 CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
783 return -1;
784 }
785
786int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
787 unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
788 {
789 ALG_ID alg;
790 HCRYPTHASH hash;
791 DWORD slen;
792 unsigned int i;
793 int ret = -1;
794 CAPI_KEY *capi_key;
795 CAPI_CTX *ctx;
796
797 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
798
799 CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
800
801 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
802 if (!capi_key)
803 {
804 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
805 return -1;
806 }
807/* Convert the signature type to a CryptoAPI algorithm ID */
2aa2a577
DSH		 808 switch(dtype)
809 {
7a18ecb2
DSH		 810 case NID_sha1:
811 alg = CALG_SHA1;
812 break;
813
814 case NID_md5:
815 alg = CALG_MD5;
816 break;
817
818 case NID_md5_sha1:
819 alg = CALG_SSL3_SHAMD5;
820 break;
821 default:
822 {
823 char algstr[10];
824 BIO_snprintf(algstr, 10, "%lx", dtype);
825 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID);
826 ERR_add_error_data(2, "NID=0x", algstr);
827 return -1;
828 }
829 }
830
831
832
833/* Create the hash object */
2aa2a577
DSH		 834 if(!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash))
835 {
7a18ecb2
DSH		 836 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
837 capi_addlasterror();
838 return -1;
2aa2a577 839 }
7a18ecb2
DSH		 840/* Set the hash value to the value passed */
841
2aa2a577
DSH		 842 if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0))
843 {
7a18ecb2
DSH		 844 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
845 capi_addlasterror();
846 goto err;
2aa2a577 847 }
7a18ecb2
DSH		 848
849
850/* Finally sign it */
851 slen = RSA_size(rsa);
01483c26 852 if(!CryptSignHashA(hash, capi_key->keyspec, NULL, 0, sigret, &slen))
2aa2a577 853 {
7a18ecb2
DSH		 854 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
855 capi_addlasterror();
856 goto err;
2aa2a577
DSH		 857 }
858 else
859 {
7a18ecb2
DSH		 860 ret = 1;
861 /* Inplace byte reversal of signature */
2aa2a577
DSH		 862 for(i = 0; i < slen / 2; i++)
863 {
7a18ecb2
DSH		 864 unsigned char c;
865 c = sigret[i];
866 sigret[i] = sigret[slen - i - 1];
867 sigret[slen - i - 1] = c;
2aa2a577 868 }
7a18ecb2 869 *siglen = slen;
2aa2a577 870 }
7a18ecb2 871
7a18ecb2
DSH		 872 /* Now cleanup */
873
874err:
875 CryptDestroyHash(hash);
876
877 return ret;
2aa2a577 878 }
7a18ecb2
DSH		 879
880int capi_rsa_priv_dec(int flen, const unsigned char *from,
881 unsigned char *to, RSA *rsa, int padding)
2aa2a577 882 {
7a18ecb2
DSH		 883 int i;
884 unsigned char *tmpbuf;
885 CAPI_KEY *capi_key;
886 CAPI_CTX *ctx;
887 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
888
889 CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n");
890
891
892 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
893 if (!capi_key)
894 {
895 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY);
896 return -1;
897 }
898
899 if(padding != RSA_PKCS1_PADDING)
900 {
901 char errstr[10];
902 BIO_snprintf(errstr, 10, "%d", padding);
903 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
904 ERR_add_error_data(2, "padding=", errstr);
905 return -1;
906 }
907
908 /* Create temp reverse order version of input */
909 if(!(tmpbuf = OPENSSL_malloc(flen)) )
910 {
911 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE);
912 return -1;
913 }
914 for(i = 0; i < flen; i++)
915 tmpbuf[flen - i - 1] = from[i];
916
917 /* Finally decrypt it */
918 if(!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &flen))
919 {
920 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
921 capi_addlasterror();
922 OPENSSL_free(tmpbuf);
923 return -1;
924 }
925 else memcpy(to, tmpbuf, flen);
926
927 OPENSSL_free(tmpbuf);
928
929 return flen;
2aa2a577 930 }
7a18ecb2
DSH		 931
932static int capi_rsa_free(RSA *rsa)
933 {
934 CAPI_KEY *capi_key;
935 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
936 capi_free_key(capi_key);
937 RSA_set_ex_data(rsa, rsa_capi_idx, 0);
938 return 1;
939 }
940
941/* CryptoAPI DSA operations */
942
943static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
944 DSA *dsa)
945 {
946 HCRYPTHASH hash;
947 DWORD slen;
948 DSA_SIG *ret = NULL;
949 CAPI_KEY *capi_key;
950 CAPI_CTX *ctx;
951 unsigned char csigbuf[40];
952
953 ctx = ENGINE_get_ex_data(dsa->engine, capi_idx);
954
955 CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n");
956
957 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
958
959 if (!capi_key)
960 {
961 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY);
962 return NULL;
963 }
964
965 if (dlen != 20)
966 {
967 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH);
968 return NULL;
969 }
970
971 /* Create the hash object */
2aa2a577
DSH		 972 if(!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash))
973 {
7a18ecb2
DSH		 974 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
975 capi_addlasterror();
976 return NULL;
2aa2a577 977 }
7a18ecb2
DSH		 978
979 /* Set the hash value to the value passed */
2aa2a577
DSH		 980 if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0))
981 {
7a18ecb2
DSH		 982 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
983 capi_addlasterror();
984 goto err;
2aa2a577 985 }
7a18ecb2
DSH		 986
987
988 /* Finally sign it */
989 slen = sizeof(csigbuf);
01483c26 990 if(!CryptSignHashA(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen))
7a18ecb2
DSH		 991 {
992 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH);
993 capi_addlasterror();
994 goto err;
995 }
996 else
997 {
998 ret = DSA_SIG_new();
999 if (!ret)
1000 goto err;
1001 ret->r = BN_new();
1002 ret->s = BN_new();
1003 if (!ret->r || !ret->s)
1004 goto err;
1005 if (!lend_tobn(ret->r, csigbuf, 20)
1006 || !lend_tobn(ret->s, csigbuf + 20, 20))
1007 {
1008 DSA_SIG_free(ret);
1009 ret = NULL;
1010 goto err;
1011 }
1012 }
1013
1014 /* Now cleanup */
1015
1016err:
1017 OPENSSL_cleanse(csigbuf, 40);
1018 CryptDestroyHash(hash);
1019 return ret;
1020 }
1021
1022static int capi_dsa_free(DSA *dsa)
1023 {
1024 CAPI_KEY *capi_key;
1025 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
1026 capi_free_key(capi_key);
1027 DSA_set_ex_data(dsa, dsa_capi_idx, 0);
1028 return 1;
1029 }
1030
1031static void capi_vtrace(CAPI_CTX *ctx, int level, char *format, va_list argptr)
1032 {
1033 BIO *out;
1034
1035 if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
1036 return;
1037 out = BIO_new_file(ctx->debug_file, "a+");
1038 BIO_vprintf(out, format, argptr);
1039 BIO_free(out);
1040 }
1041
1042static void CAPI_trace(CAPI_CTX *ctx, char *format, ...)
1043 {
1044 va_list args;
1045 va_start(args, format);
1046 capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
1047 va_end(args);
1048 }
1049
1050static void capi_addlasterror(void)
1051 {
1052 capi_adderror(GetLastError());
1053 }
1054
1055static void capi_adderror(DWORD err)
1056 {
1057 char errstr[10];
1058 BIO_snprintf(errstr, 10, "%lX", err);
1059 ERR_add_error_data(2, "Error code= 0x", errstr);
1060 }
1061
1062static char *wide_to_asc(LPWSTR wstr)
1063 {
1064 char *str;
01483c26
AP		 1065 int len_0,sz;
1066
7a18ecb2
DSH		 1067 if (!wstr)
1068 return NULL;
01483c26
AP		 1069 len_0 = (int)wcslen(wstr)+1; /* WideCharToMultiByte expects int */
1070 sz = WideCharToMultiByte(CP_ACP,0,wstr,len_0,NULL,0,NULL,NULL);
1071 if (!sz)
1072 {
1073 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1074 return NULL;
1075 }
1076 str = OPENSSL_malloc(sz);
7a18ecb2
DSH		 1077 if (!str)
1078 {
1079 CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
1080 return NULL;
1081 }
01483c26
AP		 1082 if (!WideCharToMultiByte(CP_ACP,0,wstr,len_0,str,sz,NULL,NULL))
1083 {
1084 OPENSSL_free(str);
1085 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1086 return NULL;
1087 }
7a18ecb2
DSH		 1088 return str;
1089 }
1090
1091static int capi_get_provname(CAPI_CTX *ctx, LPSTR *pname, DWORD *ptype, DWORD idx)
1092 {
1093 LPSTR name;
1094 DWORD len, err;
1095 CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
01483c26 1096 if (!CryptEnumProvidersA(idx, NULL, 0, ptype, NULL, &len))
7a18ecb2
DSH		 1097 {
1098 err = GetLastError();
1099 if (err == ERROR_NO_MORE_ITEMS)
1100 return 2;
1101 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1102 capi_adderror(err);
1103 return 0;
1104 }
1105 name = OPENSSL_malloc(len);
01483c26 1106 if (!CryptEnumProvidersA(idx, NULL, 0, ptype, name, &len))
7a18ecb2
DSH		 1107 {
1108 err = GetLastError();
1109 if (err == ERROR_NO_MORE_ITEMS)
1110 return 2;
1111 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1112 capi_adderror(err);
1113 return 0;
1114 }
1115 *pname = name;
1116 CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", name, *ptype);
1117
1118 return 1;
1119 }
1120
1121static int capi_list_providers(CAPI_CTX *ctx, BIO *out)
1122 {
1123 DWORD idx, ptype;
1124 int ret;
01483c26 1125 LPSTR provname = NULL;
7a18ecb2
DSH		 1126 CAPI_trace(ctx, "capi_list_providers\n");
1127 BIO_printf(out, "Available CSPs:\n");
1128 for(idx = 0; ; idx++)
1129 {
1130 ret = capi_get_provname(ctx, &provname, &ptype, idx);
1131 if (ret == 2)
1132 break;
1133 if (ret == 0)
1134 break;
1135 BIO_printf(out, "%d. %s, type %d\n", idx, provname, ptype);
1136 OPENSSL_free(provname);
1137 }
1138 return 1;
1139 }
1140
1141static int capi_list_containers(CAPI_CTX *ctx, BIO *out)
1142 {
1143 int ret = 1;
1144 HCRYPTPROV hprov;
1145 DWORD err, idx, flags, buflen = 0, clen;
1146 LPSTR cname;
1147 CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname, ctx->csptype);
01483c26 1148 if (!CryptAcquireContextA(&hprov, NULL, ctx->cspname, ctx->csptype, CRYPT_VERIFYCONTEXT))
7a18ecb2
DSH		 1149 {
1150 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1151 capi_addlasterror();
1152 return 0;
1153 }
1154 if (!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST))
1155 {
1156 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1157 capi_addlasterror();
1158 return 0;
1159 }
1160 CAPI_trace(ctx, "Got max container len %d\n", buflen);
1161 if (buflen == 0)
1162 buflen = 1024;
1163 cname = OPENSSL_malloc(buflen);
1164 if (!cname)
1165 {
1166 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1167 goto err;
1168 }
1169
1170 for (idx = 0;;idx++)
1171 {
2aa2a577
DSH		 1172 clen = buflen;
1173 cname[0] = 0;
1174
1175 if (idx == 0)
1176 flags = CRYPT_FIRST;
1177 else
1178 flags = 0;
1179 if(!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, cname, &clen, flags))
1180 {
1181 err = GetLastError();
1182 if (err == ERROR_NO_MORE_ITEMS)
7a18ecb2 1183 goto done;
2aa2a577
DSH		 1184 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1185 capi_adderror(err);
1186 goto err;
1187 }
1188 CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n", cname, clen, idx, flags);
1189 if (!cname[0] && (clen == buflen))
1190 {
1191 CAPI_trace(ctx, "Enumerate bug: using workaround\n");
1192 goto done;
1193 }
1194 BIO_printf(out, "%d. %s\n", idx, cname);
7a18ecb2
DSH		 1195 }
1196 err:
1197
1198 ret = 0;
1199
1200 done:
1201 if (cname)
1202 OPENSSL_free(cname);
1203 CryptReleaseContext(hprov, 0);
1204
1205 return ret;
1206 }
1207
1208CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1209 {
1210 DWORD len;
1211 CRYPT_KEY_PROV_INFO *pinfo;
1212
1213 if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len))
1214 return NULL;
1215 pinfo = OPENSSL_malloc(len);
1216 if (!pinfo)
1217 {
1218 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE);
1219 return NULL;
1220 }
1221 if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len))
1222 {
1223 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO);
1224 capi_addlasterror();
1225 OPENSSL_free(pinfo);
1226 return NULL;
1227 }
1228 return pinfo;
1229 }
1230
1231static void capi_dump_prov_info(CAPI_CTX *ctx, BIO *out, CRYPT_KEY_PROV_INFO *pinfo)
1232 {
1233 char *provname = NULL, *contname = NULL;
1234 if (!pinfo)
1235 {
1236 BIO_printf(out, " No Private Key\n");
1237 return;
1238 }
1239 provname = wide_to_asc(pinfo->pwszProvName);
1240 contname = wide_to_asc(pinfo->pwszContainerName);
1241 if (!provname || !contname)
1242 goto err;
1243
1244 BIO_printf(out, " Private Key Info:\n");
1245 BIO_printf(out, " Provider Name: %s, Provider Type %d\n", provname, pinfo->dwProvType);
1246 BIO_printf(out, " Container Name: %s, Key Type %d\n", contname, pinfo->dwKeySpec);
1247 err:
1248 if (provname)
1249 OPENSSL_free(provname);
1250 if (contname)
1251 OPENSSL_free(contname);
1252 }
1253
1254char * capi_cert_get_fname(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1255 {
1256 LPWSTR wfname;
1257 DWORD dlen;
1258
1259 CAPI_trace(ctx, "capi_cert_get_fname\n");
1260 if (!CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen))
1261 return NULL;
1262 wfname = OPENSSL_malloc(dlen);
1263 if (CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen))
1264 {
1265 char *fname = wide_to_asc(wfname);
1266 OPENSSL_free(wfname);
1267 return fname;
1268 }
1269 CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME);
1270 capi_addlasterror();
1271
1272 OPENSSL_free(wfname);
1273 return NULL;
1274 }
1275
1276
1277void capi_dump_cert(CAPI_CTX *ctx, BIO *out, PCCERT_CONTEXT cert)
1278 {
1279 X509 *x;
1280 unsigned char *p;
1281 unsigned long flags = ctx->dump_flags;
1282 if (flags & CAPI_DMP_FNAME)
1283 {
1284 char *fname;
1285 fname = capi_cert_get_fname(ctx, cert);
1286 if (fname)
1287 {
1288 BIO_printf(out, " Friendly Name \"%s\"\n", fname);
1289 OPENSSL_free(fname);
1290 }
1291 else
1292 BIO_printf(out, " <No Friendly Name>\n");
1293 }
1294
1295 p = cert->pbCertEncoded;
1296 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1297 if (!x)
1298 BIO_printf(out, " <Can't parse certificate>\n");
1299 if (flags & CAPI_DMP_SUMMARY)
1300 {
1301 BIO_printf(out, " Subject: ");
1302 X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
1303 BIO_printf(out, "\n Issuer: ");
1304 X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
1305 BIO_printf(out, "\n");
1306 }
1307 if (flags & CAPI_DMP_FULL)
1308 X509_print_ex(out, x, XN_FLAG_ONELINE,0);
1309
1310 if (flags & CAPI_DMP_PKEYINFO)
1311 {
1312 CRYPT_KEY_PROV_INFO *pinfo;
1313 pinfo = capi_get_prov_info(ctx, cert);
1314 capi_dump_prov_info(ctx, out, pinfo);
1315 if (pinfo)
1316 OPENSSL_free(pinfo);
1317 }
1318
1319 if (flags & CAPI_DMP_PEM)
1320 PEM_write_bio_X509(out, x);
1321 X509_free(x);
1322 }
1323
1324HCERTSTORE capi_open_store(CAPI_CTX *ctx, char *storename)
1325 {
1326 HCERTSTORE hstore;
1327
1328 if (!storename)
1329 storename = ctx->storename;
1330 if (!storename)
1331 storename = "MY";
1332 CAPI_trace(ctx, "Opening certificate store %s\n", storename);
1333
46d47828
DSH		 1334 hstore = CertOpenStore(CERT_STORE_PROV_SYSTEM_A, 0, 0,
1335 ctx->store_flags, storename);
7a18ecb2
DSH		 1336 if (!hstore)
1337 {
1338 CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE);
1339 capi_addlasterror();
1340 }
1341 return hstore;
1342 }
1343
1344int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *id)
1345 {
1346 char *storename;
1347 int idx;
1348 int ret = 1;
1349 HCERTSTORE hstore;
1350 PCCERT_CONTEXT cert = NULL;
1351
1352 storename = ctx->storename;
1353 if (!storename)
1354 storename = "MY";
1355 CAPI_trace(ctx, "Listing certs for store %s\n", storename);
1356
1357 hstore = capi_open_store(ctx, storename);
1358 if (!hstore)
1359 return 0;
1360 if (id)
1361 {
1362 cert = capi_find_cert(ctx, id, hstore);
1363 if (!cert)
1364 {
1365 ret = 0;
1366 goto err;
1367 }
1368 capi_dump_cert(ctx, out, cert);
1369 CertFreeCertificateContext(cert);
1370 }
1371 else
1372 {
1373 for(idx = 0;;idx++)
1374 {
1375 LPWSTR fname = NULL;
1376 cert = CertEnumCertificatesInStore(hstore, cert);
1377 if (!cert)
1378 break;
1379 BIO_printf(out, "Certificate %d\n", idx);
1380 capi_dump_cert(ctx, out, cert);
1381 }
1382 }
1383 err:
1384 CertCloseStore(hstore, 0);
1385 return ret;
1386 }
1387
1388static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore)
1389 {
1390 PCCERT_CONTEXT cert = NULL;
1391 char *fname = NULL;
1392 int match;
1393 switch(ctx->lookup_method)
1394 {
1395 case CAPI_LU_SUBSTR:
2aa2a577
DSH		 1396 return CertFindCertificateInStore(hstore,
1397 X509_ASN_ENCODING, 0,
1398 CERT_FIND_SUBJECT_STR_A, id, NULL);
7a18ecb2
DSH		 1399 case CAPI_LU_FNAME:
1400 for(;;)
1401 {
1402 cert = CertEnumCertificatesInStore(hstore, cert);
1403 if (!cert)
1404 return NULL;
1405 fname = capi_cert_get_fname(ctx, cert);
1406 if (fname)
1407 {
1408 if (strcmp(fname, id))
1409 match = 0;
1410 else
1411 match = 1;
1412 OPENSSL_free(fname);
1413 if (match)
1414 return cert;
1415 }
1416 }
1417 default:
1418 return NULL;
1419 }
1420 }
1421
1422static CAPI_KEY *capi_get_key(CAPI_CTX *ctx, const char *contname, char *provname, DWORD ptype, DWORD keyspec)
1423 {
1424 CAPI_KEY *key;
1425 key = OPENSSL_malloc(sizeof(CAPI_KEY));
1426 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
2aa2a577 1427 contname, provname, ptype);
01483c26 1428 if (!CryptAcquireContextA(&key->hprov, contname, provname, ptype, 0))
7a18ecb2
DSH		 1429 {
1430 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1431 capi_addlasterror();
1432 goto err;
1433 }
1434 if (!CryptGetUserKey(key->hprov, keyspec, &key->key))
1435 {
1436 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR);
1437 capi_addlasterror();
1438 CryptReleaseContext(key->hprov, 0);
1439 goto err;
1440 }
4be0a5d4 1441 key->keyspec = keyspec;
7d537d4f 1442 key->pcert = NULL;
7a18ecb2
DSH		 1443 return key;
1444
1445 err:
1446 OPENSSL_free(key);
1447 return NULL;
1448 }
1449
1450static CAPI_KEY *capi_get_cert_key(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1451 {
46d47828 1452 CAPI_KEY *key = NULL;
7a18ecb2
DSH		 1453 CRYPT_KEY_PROV_INFO *pinfo = NULL;
1454 char *provname = NULL, *contname = NULL;
1455 pinfo = capi_get_prov_info(ctx, cert);
1456 if (!pinfo)
1457 goto err;
1458 provname = wide_to_asc(pinfo->pwszProvName);
1459 contname = wide_to_asc(pinfo->pwszContainerName);
1460 if (!provname || !contname)
46d47828 1461 goto err;
2aa2a577
DSH		 1462 key = capi_get_key(ctx, contname, provname,
1463 pinfo->dwProvType, pinfo->dwKeySpec);
7a18ecb2
DSH		 1464
1465 err:
1466 if (pinfo)
1467 OPENSSL_free(pinfo);
1468 if (provname)
1469 OPENSSL_free(provname);
1470 if (contname)
1471 OPENSSL_free(contname);
1472 return key;
1473 }
1474
1475CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id)
1476 {
1477 PCCERT_CONTEXT cert;
1478 HCERTSTORE hstore;
1479 CAPI_KEY *key = NULL;
1480 switch (ctx->lookup_method)
1481 {
1482 case CAPI_LU_SUBSTR:
1483 case CAPI_LU_FNAME:
1484 hstore = capi_open_store(ctx, NULL);
1485 if (!hstore)
1486 return NULL;
1487 cert = capi_find_cert(ctx, id, hstore);
1488 if (cert)
1489 {
1490 key = capi_get_cert_key(ctx, cert);
1491 CertFreeCertificateContext(cert);
1492 }
1493 CertCloseStore(hstore, 0);
1494 break;
1495
1496 case CAPI_LU_CONTNAME:
2aa2a577
DSH		 1497 key = capi_get_key(ctx, id, ctx->cspname, ctx->csptype,
1498 ctx->keytype);
7a18ecb2
DSH		 1499 break;
1500 }
1501
1502 return key;
1503 }
1504
1505void capi_free_key(CAPI_KEY *key)
1506 {
1507 if (!key)
1508 return;
1509 CryptDestroyKey(key->key);
1510 CryptReleaseContext(key->hprov, 0);
7d537d4f
DSH		 1511 if (key->pcert)
1512 CertFreeCertificateContext(key->pcert);
7a18ecb2
DSH		 1513 OPENSSL_free(key);
1514 }
1515
1516
1517/* Initialize a CAPI_CTX structure */
1518
1519static CAPI_CTX *capi_ctx_new()
1520 {
1521 CAPI_CTX *ctx;
1522 ctx = OPENSSL_malloc(sizeof(CAPI_CTX));
1523 if (!ctx)
1524 {
1525 CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE);
1526 return NULL;
1527 }
1528 ctx->cspname = NULL;
1529 ctx->csptype = PROV_RSA_FULL;
1530 ctx->dump_flags = CAPI_DMP_SUMMARY|CAPI_DMP_FNAME;
1531 ctx->keytype = AT_KEYEXCHANGE;
1532 ctx->storename = NULL;
b3c8dd4e 1533 ctx->ssl_client_store = NULL;
46d47828
DSH		 1534 ctx->store_flags = CERT_STORE_OPEN_EXISTING_FLAG |
1535 CERT_STORE_READONLY_FLAG |
1536 CERT_SYSTEM_STORE_CURRENT_USER;
7a18ecb2
DSH		 1537 ctx->lookup_method = CAPI_LU_SUBSTR;
1538 ctx->debug_level = 0;
1539 ctx->debug_file = NULL;
1cd504e7 1540 ctx->client_cert_select = cert_select_simple;
7a18ecb2
DSH		 1541 return ctx;
1542 }
1543
1544static void capi_ctx_free(CAPI_CTX *ctx)
1545 {
1546 CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx);
1547 if (!ctx)
1548 return;
1549 if (ctx->cspname)
1550 OPENSSL_free(ctx->cspname);
1551 if (ctx->debug_file)
1552 OPENSSL_free(ctx->debug_file);
1553 if (ctx->storename)
1554 OPENSSL_free(ctx->storename);
b3c8dd4e
DSH		 1555 if (ctx->ssl_client_store)
1556 OPENSSL_free(ctx->ssl_client_store);
7a18ecb2
DSH		 1557 OPENSSL_free(ctx);
1558 }
1559
1560static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check)
1561 {
1562 CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type);
1563 if (check)
1564 {
1565 HCRYPTPROV hprov;
01483c26 1566 if (!CryptAcquireContextA(&hprov, NULL, pname, type,
2aa2a577 1567 CRYPT_VERIFYCONTEXT))
7a18ecb2
DSH		 1568 {
1569 CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1570 capi_addlasterror();
1571 return 0;
1572 }
1573 CryptReleaseContext(hprov, 0);
1574 }
1575 ctx->cspname = BUF_strdup(pname);
1576 ctx->csptype = type;
1577 return 1;
1578 }
1579
1580static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx)
1581 {
1582 LPSTR pname;
1583 DWORD type;
1584 if (capi_get_provname(ctx, &pname, &type, idx) != 1)
1585 return 0;
1586 return capi_ctx_set_provname(ctx, pname, type, 0);
1587 }
1588
b3c8dd4e
DSH		 1589static int cert_issuer_match(STACK_OF(X509_NAME) *ca_dn, X509 *x)
1590 {
1591 int i;
1592 X509_NAME *nm;
ca89fc1f
DSH		 1593 /* Special case: empty list: match anything */
1594 if (sk_X509_NAME_num(ca_dn) <= 0)
1595 return 1;
b3c8dd4e
DSH		 1596 for (i = 0; i < sk_X509_NAME_num(ca_dn); i++)
1597 {
1598 nm = sk_X509_NAME_value(ca_dn, i);
1599 if (!X509_NAME_cmp(nm, X509_get_issuer_name(x)))
1600 return 1;
1601 }
1602 return 0;
1603 }
1604
e0f7b872 1605
7d537d4f 1606
b3c8dd4e
DSH		 1607static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
1608 STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **pkey,
1609 STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data)
1610 {
b3c8dd4e 1611 STACK_OF(X509) *certs = NULL;
b3c8dd4e 1612 X509 *x;
b3c8dd4e
DSH		 1613 char *storename;
1614 const char *p;
7d537d4f 1615 int i, client_cert_idx;
b3c8dd4e 1616 HCERTSTORE hstore;
7d537d4f 1617 PCCERT_CONTEXT cert = NULL, excert = NULL;
b3c8dd4e 1618 CAPI_CTX *ctx;
7d537d4f 1619 CAPI_KEY *key;
b3c8dd4e
DSH		 1620 ctx = ENGINE_get_ex_data(e, capi_idx);
1621
1622 *pcert = NULL;
1623 *pkey = NULL;
1624
1625 storename = ctx->ssl_client_store;
1626 if (!storename)
1627 storename = "MY";
1628
1629 hstore = capi_open_store(ctx, storename);
1630 if (!hstore)
1631 return 0;
b814c01a 1632 /* Enumerate all certificates collect any matches */
7d537d4f 1633 for(i = 0;;i++)
b3c8dd4e
DSH		 1634 {
1635 cert = CertEnumCertificatesInStore(hstore, cert);
1636 if (!cert)
1637 break;
1638 p = cert->pbCertEncoded;
1639 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1640 if (!x)
1641 {
1642 CAPI_trace(ctx, "Can't Parse Certificate %d\n", i);
1643 continue;
1644 }
2836cb38
DSH		 1645 if (cert_issuer_match(ca_dn, x)
1646 && X509_check_purpose(x, X509_PURPOSE_SSL_CLIENT, 0))
b3c8dd4e 1647 {
7d537d4f 1648 key = capi_get_cert_key(ctx, cert);
b3c8dd4e 1649 if (!key)
2836cb38
DSH		 1650 {
1651 X509_free(x);
b3c8dd4e 1652 continue;
2836cb38 1653 }
b814c01a
DSH		 1654 /* Match found: attach extra data to it so
1655 * we can retrieve the key later.
1656 */
7d537d4f 1657 excert = CertDuplicateCertificateContext(cert);
e0f7b872 1658 key->pcert = excert;
7d537d4f
DSH		 1659 X509_set_ex_data(x, cert_capi_idx, key);
1660
1661 if (!certs)
1662 certs = sk_X509_new_null();
1663
1664 sk_X509_push(certs, x);
b3c8dd4e
DSH		 1665 }
1666 else
1667 X509_free(x);
1668
1669 }
1670
1671 if (cert)
1672 CertFreeCertificateContext(cert);
e0f7b872
DSH		 1673 if (hstore)
1674 CertCloseStore(hstore, 0);
b3c8dd4e 1675
7d537d4f 1676 if (!certs)
b3c8dd4e
DSH		 1677 return 0;
1678
b814c01a
DSH		 1679
1680 /* Select the appropriate certificate */
1681
1cd504e7 1682 client_cert_idx = ctx->client_cert_select(e, ssl, certs);
7d537d4f 1683
b814c01a
DSH		 1684 /* Set the selected certificate and free the rest */
1685
7d537d4f
DSH		 1686 for(i = 0; i < sk_X509_num(certs); i++)
1687 {
1688 x = sk_X509_value(certs, i);
1689 if (i == client_cert_idx)
1690 *pcert = x;
1691 else
1692 {
1693 key = X509_get_ex_data(x, cert_capi_idx);
1694 capi_free_key(key);
1695 X509_free(x);
1696 }
1697 }
1698
1699 sk_X509_free(certs);
1700
1701 if (!*pcert)
1702 return 0;
1703
b814c01a
DSH		 1704 /* Setup key for selected certificate */
1705
7d537d4f
DSH		 1706 key = X509_get_ex_data(*pcert, cert_capi_idx);
1707 *pkey = capi_get_pkey(e, key);
1708 X509_set_ex_data(*pcert, cert_capi_idx, NULL);
1709
1710 return 1;
1711
b3c8dd4e
DSH		 1712 }
1713
e0f7b872
DSH		 1714
1715/* Simple client cert selection function: always select first */
1716
1cd504e7 1717static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
e0f7b872
DSH		 1718 {
1719 return 0;
1720 }
1721
1cd504e7 1722#ifdef OPENSSL_CAPIENG_DIALOG
e0f7b872
DSH		 1723
1724/* More complex cert selection function, using standard function
1725 * CryptUIDlgSelectCertificateFromStore() to produce a dialog box.
1726 */
1727
a0f3679b
DSH		 1728/* Definitions which are in cryptuiapi.h but this is not present in older
1729 * versions of headers.
1730 */
1731
1732#ifndef CRYPTUI_SELECT_LOCATION_COLUMN
1733#define CRYPTUI_SELECT_LOCATION_COLUMN 0x000000010
1734#define CRYPTUI_SELECT_INTENDEDUSE_COLUMN 0x000000004
1735#endif
e0f7b872 1736
1381bf90
DSH		 1737#define dlg_title L"OpenSSL Application SSL Client Certificate Selection"
1738#define dlg_prompt L"Select a certificate to use for authentication"
e1451bb5
DSH		 1739#define dlg_columns CRYPTUI_SELECT_LOCATION_COLUMN \
1740 |CRYPTUI_SELECT_INTENDEDUSE_COLUMN
1381bf90 1741
1cd504e7 1742static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
e0f7b872
DSH		 1743 {
1744 X509 *x;
1745 HCERTSTORE dstore;
1746 PCCERT_CONTEXT cert;
1747 CAPI_CTX *ctx;
1748 CAPI_KEY *key;
1381bf90 1749 HWND hwnd;
e0f7b872 1750 int i, idx = -1;
ffc2b3e9
DSH		 1751 if (sk_X509_num(certs) == 1)
1752 return 0;
e0f7b872
DSH		 1753 ctx = ENGINE_get_ex_data(e, capi_idx);
1754 /* Create an in memory store of certificates */
1755 dstore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
1756 CERT_STORE_CREATE_NEW_FLAG, NULL);
1757 if (!dstore)
1758 {
9be8035b 1759 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_CREATING_STORE);
e0f7b872
DSH		 1760 capi_addlasterror();
1761 goto err;
1762 }
1763 /* Add all certificates to store */
1764 for(i = 0; i < sk_X509_num(certs); i++)
1765 {
1766 x = sk_X509_value(certs, i);
1767 key = X509_get_ex_data(x, cert_capi_idx);
1768
1769 if (!CertAddCertificateContextToStore(dstore, key->pcert,
1770 CERT_STORE_ADD_NEW, NULL))
1771 {
9be8035b 1772 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_ADDING_CERT);
e0f7b872
DSH		 1773 capi_addlasterror();
1774 goto err;
1775 }
1776
1777 }
a0f3679b
DSH		 1778 hwnd = GetForegroundWindow();
1779 if (!hwnd)
1780 hwnd = GetActiveWindow();
1cd504e7
DSH		 1781 if (!hwnd && ctx->getconswindow)
1782 hwnd = ctx->getconswindow();
e0f7b872 1783 /* Call dialog to select one */
1cd504e7
DSH		 1784 cert = ctx->certselectdlg(dstore, hwnd, dlg_title, dlg_prompt,
1785 dlg_columns, 0, NULL);
e0f7b872
DSH		 1786
1787 /* Find matching cert from list */
1788 if (cert)
1789 {
1790 for(i = 0; i < sk_X509_num(certs); i++)
1791 {
1792 x = sk_X509_value(certs, i);
1793 key = X509_get_ex_data(x, cert_capi_idx);
1794 if (CertCompareCertificate(
1795 X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
1796 cert->pCertInfo,
1797 key->pcert->pCertInfo))
1798 {
1799 idx = i;
1800 break;
1801 }
1802 }
1803 }
1804
1805 err:
1806 if (dstore)
1807 CertCloseStore(dstore, 0);
1808 return idx;
1809
1810 }
1811#endif
1812
f87e3078 1813#else /* !__COMPILE_CAPIENG */
492279f6
AP		 1814#include <openssl/engine.h>
1815#ifndef OPENSSL_NO_DYNAMIC_ENGINE
1816OPENSSL_EXPORT
1817int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns) { return 0; }
1818IMPLEMENT_DYNAMIC_CHECK_FN()
f87e3078
AP		 1819#else
1820void ENGINE_load_capi(void){}
7a18ecb2
DSH		 1821#endif
1822#endif
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