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0f113f3e
MC		 1/*
2 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
7a18ecb2
DSH		 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
0f113f3e 13 * notice, this list of conditions and the following disclaimer.
7a18ecb2
DSH		 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
7a18ecb2
DSH		 54#include <stdio.h>
55#include <string.h>
cc4c2306 56#include <stdlib.h>
cc4c2306 57
7a18ecb2 58#include <openssl/crypto.h>
7a18ecb2
DSH		 59
60#ifdef OPENSSL_SYS_WIN32
0f113f3e 61# ifndef OPENSSL_NO_CAPIENG
7a18ecb2 62
0f113f3e
MC		 63# include <openssl/buffer.h>
64# include <openssl/bn.h>
65# include <openssl/rsa.h>
66# include <openssl/dsa.h>
a0f3679b 67
0f113f3e
MC		 68# ifndef _WIN32_WINNT
69# define _WIN32_WINNT 0x0400
70# endif
a0f3679b 71
0f113f3e
MC		 72# include <windows.h>
73# include <wincrypt.h>
74# include <malloc.h>
75# ifndef alloca
76# define alloca _alloca
77# endif
7a18ecb2 78
f87e3078
AP		 79/*
80 * This module uses several "new" interfaces, among which is
81 * CertGetCertificateContextProperty. CERT_KEY_PROV_INFO_PROP_ID is
82 * one of possible values you can pass to function in question. By
83 * checking if it's defined we can see if wincrypt.h and accompanying
6b02f9fa
DSH		 84 * crypt32.lib are in shape. The native MingW32 headers up to and
85 * including __W32API_VERSION 3.14 lack of struct DSSPUBKEY and the
86 * defines CERT_STORE_PROV_SYSTEM_A and CERT_STORE_READONLY_FLAG,
87 * so we check for these too and avoid compiling.
88 * Yes, it's rather "weak" test and if compilation fails,
89 * then re-configure with -DOPENSSL_NO_CAPIENG.
f87e3078 90 */
0f113f3e 91# if defined(CERT_KEY_PROV_INFO_PROP_ID) && \
6b02f9fa
DSH		 92 defined(CERT_STORE_PROV_SYSTEM_A) && \
93 defined(CERT_STORE_READONLY_FLAG)
0f113f3e
MC		 94# define __COMPILE_CAPIENG
95# endif /* CERT_KEY_PROV_INFO_PROP_ID */
96# endif /* OPENSSL_NO_CAPIENG */
97#endif /* OPENSSL_SYS_WIN32 */
f87e3078
AP		 98
99#ifdef __COMPILE_CAPIENG
100
0f113f3e 101# undef X509_EXTENSIONS
11f3cee9 102
a0f3679b 103/* Definitions which may be missing from earlier version of headers */
0f113f3e
MC		 104# ifndef CERT_STORE_OPEN_EXISTING_FLAG
105# define CERT_STORE_OPEN_EXISTING_FLAG 0x00004000
106# endif
107
108# ifndef CERT_STORE_CREATE_NEW_FLAG
109# define CERT_STORE_CREATE_NEW_FLAG 0x00002000
110# endif
111
112# ifndef CERT_SYSTEM_STORE_CURRENT_USER
113# define CERT_SYSTEM_STORE_CURRENT_USER 0x00010000
114# endif
115
116# ifndef ALG_SID_SHA_256
117# define ALG_SID_SHA_256 12
118# endif
119# ifndef ALG_SID_SHA_384
120# define ALG_SID_SHA_384 13
121# endif
122# ifndef ALG_SID_SHA_512
123# define ALG_SID_SHA_512 14
124# endif
125
126# ifndef CALG_SHA_256
127# define CALG_SHA_256 (ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_256)
128# endif
129# ifndef CALG_SHA_384
130# define CALG_SHA_384 (ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_384)
131# endif
132# ifndef CALG_SHA_512
133# define CALG_SHA_512 (ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_512)
134# endif
135
7b548d3f
DSH		 136# ifndef PROV_RSA_AES
137# define PROV_RSA_AES 24
138# endif
139
0f113f3e
MC		 140# include <openssl/engine.h>
141# include <openssl/pem.h>
142# include <openssl/x509v3.h>
143
144# include "e_capi_err.h"
145# include "e_capi_err.c"
7a18ecb2
DSH		 146
147static const char *engine_capi_id = "capi";
148static const char *engine_capi_name = "CryptoAPI ENGINE";
149
150typedef struct CAPI_CTX_st CAPI_CTX;
151typedef struct CAPI_KEY_st CAPI_KEY;
152
153static void capi_addlasterror(void);
154static void capi_adderror(DWORD err);
155
0f113f3e 156static void CAPI_trace(CAPI_CTX * ctx, char *format, ...);
7a18ecb2 157
0f113f3e
MC		 158static int capi_list_providers(CAPI_CTX * ctx, BIO *out);
159static int capi_list_containers(CAPI_CTX * ctx, BIO *out);
160int capi_list_certs(CAPI_CTX * ctx, BIO *out, char *storename);
161void capi_free_key(CAPI_KEY * key);
7a18ecb2 162
0f113f3e
MC		 163static PCCERT_CONTEXT capi_find_cert(CAPI_CTX * ctx, const char *id,
164 HCERTSTORE hstore);
7a18ecb2 165
0f113f3e 166CAPI_KEY *capi_find_key(CAPI_CTX * ctx, const char *id);
7a18ecb2
DSH		 167
168static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
0f113f3e
MC		 169 UI_METHOD *ui_method, void *callback_data);
170static int capi_rsa_sign(int dtype, const unsigned char *m,
171 unsigned int m_len, unsigned char *sigret,
172 unsigned int *siglen, const RSA *rsa);
7a18ecb2 173static int capi_rsa_priv_enc(int flen, const unsigned char *from,
0f113f3e 174 unsigned char *to, RSA *rsa, int padding);
7a18ecb2 175static int capi_rsa_priv_dec(int flen, const unsigned char *from,
0f113f3e 176 unsigned char *to, RSA *rsa, int padding);
7a18ecb2
DSH		 177static int capi_rsa_free(RSA *rsa);
178
179static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
0f113f3e 180 DSA *dsa);
7a18ecb2 181static int capi_dsa_free(DSA *dsa);
b3c8dd4e
DSH		 182
183static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
0f113f3e
MC		 184 STACK_OF(X509_NAME) *ca_dn, X509 **pcert,
185 EVP_PKEY **pkey, STACK_OF(X509) **pother,
186 UI_METHOD *ui_method,
187 void *callback_data);
1cd504e7
DSH		 188
189static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
0f113f3e 190# ifdef OPENSSL_CAPIENG_DIALOG
1cd504e7 191static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
0f113f3e 192# endif
1cd504e7 193
7b9f8f7f
MC		 194void engine_load_capi_internal(void);
195
0f113f3e
MC		 196typedef PCCERT_CONTEXT(WINAPI *CERTDLG) (HCERTSTORE, HWND, LPCWSTR,
197 LPCWSTR, DWORD, DWORD, void *);
198typedef HWND(WINAPI *GETCONSWIN) (void);
1cd504e7 199
0f113f3e
MC		 200/*
201 * This structure contains CAPI ENGINE specific data: it contains various
202 * global options and affects how other functions behave.
7a18ecb2
DSH		 203 */
204
0f113f3e
MC		 205# define CAPI_DBG_TRACE 2
206# define CAPI_DBG_ERROR 1
7a18ecb2
DSH		 207
208struct CAPI_CTX_st {
0f113f3e
MC		 209 int debug_level;
210 char *debug_file;
211 /* Parameters to use for container lookup */
212 DWORD keytype;
213 LPSTR cspname;
214 DWORD csptype;
215 /* Certificate store name to use */
216 LPSTR storename;
217 LPSTR ssl_client_store;
218 /* System store flags */
219 DWORD store_flags;
7a18ecb2
DSH		 220/* Lookup string meanings in load_private_key */
221/* Substring of subject: uses "storename" */
0f113f3e 222# define CAPI_LU_SUBSTR 1
7a18ecb2 223/* Friendly name: uses storename */
0f113f3e 224# define CAPI_LU_FNAME 2
7a18ecb2 225/* Container name: uses cspname, keytype */
0f113f3e
MC		 226# define CAPI_LU_CONTNAME 3
227 int lookup_method;
7a18ecb2
DSH		 228/* Info to dump with dumpcerts option */
229/* Issuer and serial name strings */
0f113f3e 230# define CAPI_DMP_SUMMARY 0x1
7a18ecb2 231/* Friendly name */
0f113f3e 232# define CAPI_DMP_FNAME 0x2
7a18ecb2 233/* Full X509_print dump */
0f113f3e 234# define CAPI_DMP_FULL 0x4
7a18ecb2 235/* Dump PEM format certificate */
0f113f3e 236# define CAPI_DMP_PEM 0x8
7a18ecb2 237/* Dump pseudo key (if possible) */
0f113f3e 238# define CAPI_DMP_PSKEY 0x10
7a18ecb2 239/* Dump key info (if possible) */
0f113f3e
MC		 240# define CAPI_DMP_PKEYINFO 0x20
241 DWORD dump_flags;
242 int (*client_cert_select) (ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
243 CERTDLG certselectdlg;
244 GETCONSWIN getconswindow;
7a18ecb2
DSH		 245};
246
57ebe748 247static CAPI_CTX *capi_ctx_new(void);
0f113f3e
MC		 248static void capi_ctx_free(CAPI_CTX * ctx);
249static int capi_ctx_set_provname(CAPI_CTX * ctx, LPSTR pname, DWORD type,
250 int check);
251static int capi_ctx_set_provname_idx(CAPI_CTX * ctx, int idx);
252
253# define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE
254# define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1)
255# define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2)
256# define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3)
257# define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4)
258# define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5)
259# define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6)
260# define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7)
261# define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8)
262# define CAPI_CMD_LIST_CONTAINERS (ENGINE_CMD_BASE + 9)
263# define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10)
264# define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11)
265# define CAPI_CMD_STORE_NAME (ENGINE_CMD_BASE + 12)
266# define CAPI_CMD_STORE_FLAGS (ENGINE_CMD_BASE + 13)
7a18ecb2
DSH		 267
268static const ENGINE_CMD_DEFN capi_cmd_defns[] = {
0f113f3e
MC		 269 {CAPI_CMD_LIST_CERTS,
270 "list_certs",
271 "List all certificates in store",
272 ENGINE_CMD_FLAG_NO_INPUT},
273 {CAPI_CMD_LOOKUP_CERT,
274 "lookup_cert",
275 "Lookup and output certificates",
276 ENGINE_CMD_FLAG_STRING},
277 {CAPI_CMD_DEBUG_LEVEL,
278 "debug_level",
279 "debug level (1=errors, 2=trace)",
280 ENGINE_CMD_FLAG_NUMERIC},
281 {CAPI_CMD_DEBUG_FILE,
282 "debug_file",
283 "debugging filename)",
284 ENGINE_CMD_FLAG_STRING},
285 {CAPI_CMD_KEYTYPE,
286 "key_type",
287 "Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE",
288 ENGINE_CMD_FLAG_NUMERIC},
289 {CAPI_CMD_LIST_CSPS,
290 "list_csps",
291 "List all CSPs",
292 ENGINE_CMD_FLAG_NO_INPUT},
293 {CAPI_CMD_SET_CSP_IDX,
294 "csp_idx",
295 "Set CSP by index",
296 ENGINE_CMD_FLAG_NUMERIC},
297 {CAPI_CMD_SET_CSP_NAME,
298 "csp_name",
299 "Set CSP name, (default CSP used if not specified)",
300 ENGINE_CMD_FLAG_STRING},
301 {CAPI_CMD_SET_CSP_TYPE,
302 "csp_type",
303 "Set CSP type, (default RSA_PROV_FULL)",
304 ENGINE_CMD_FLAG_NUMERIC},
305 {CAPI_CMD_LIST_CONTAINERS,
306 "list_containers",
307 "list container names",
308 ENGINE_CMD_FLAG_NO_INPUT},
309 {CAPI_CMD_LIST_OPTIONS,
310 "list_options",
311 "Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, "
312 "32=private key info)",
313 ENGINE_CMD_FLAG_NUMERIC},
314 {CAPI_CMD_LOOKUP_METHOD,
315 "lookup_method",
316 "Set key lookup method (1=substring, 2=friendlyname, 3=container name)",
317 ENGINE_CMD_FLAG_NUMERIC},
318 {CAPI_CMD_STORE_NAME,
319 "store_name",
320 "certificate store name, default \"MY\"",
321 ENGINE_CMD_FLAG_STRING},
322 {CAPI_CMD_STORE_FLAGS,
323 "store_flags",
324 "Certificate store flags: 1 = system store",
325 ENGINE_CMD_FLAG_NUMERIC},
326
327 {0, NULL, NULL, 0}
328};
7a18ecb2
DSH		 329
330static int capi_idx = -1;
331static int rsa_capi_idx = -1;
332static int dsa_capi_idx = -1;
7d537d4f 333static int cert_capi_idx = -1;
7a18ecb2 334
0f113f3e
MC		 335static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) (void))
336{
337 int ret = 1;
338 CAPI_CTX *ctx;
339 BIO *out;
340 if (capi_idx == -1) {
341 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED);
342 return 0;
343 }
344 ctx = ENGINE_get_ex_data(e, capi_idx);
345 out = BIO_new_fp(stdout, BIO_NOCLOSE);
346 if (out == NULL) {
347 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_FILE_OPEN_ERROR);
348 return 0;
349 }
350 switch (cmd) {
351 case CAPI_CMD_LIST_CSPS:
352 ret = capi_list_providers(ctx, out);
353 break;
354
355 case CAPI_CMD_LIST_CERTS:
356 ret = capi_list_certs(ctx, out, NULL);
357 break;
358
359 case CAPI_CMD_LOOKUP_CERT:
360 ret = capi_list_certs(ctx, out, p);
361 break;
362
363 case CAPI_CMD_LIST_CONTAINERS:
364 ret = capi_list_containers(ctx, out);
365 break;
366
367 case CAPI_CMD_STORE_NAME:
b548a1f1 368 OPENSSL_free(ctx->storename);
7644a9ae 369 ctx->storename = OPENSSL_strdup(p);
0f113f3e
MC		 370 CAPI_trace(ctx, "Setting store name to %s\n", p);
371 break;
372
373 case CAPI_CMD_STORE_FLAGS:
374 if (i & 1) {
375 ctx->store_flags |= CERT_SYSTEM_STORE_LOCAL_MACHINE;
376 ctx->store_flags &= ~CERT_SYSTEM_STORE_CURRENT_USER;
377 } else {
378 ctx->store_flags |= CERT_SYSTEM_STORE_CURRENT_USER;
379 ctx->store_flags &= ~CERT_SYSTEM_STORE_LOCAL_MACHINE;
380 }
381 CAPI_trace(ctx, "Setting flags to %d\n", i);
382 break;
383
384 case CAPI_CMD_DEBUG_LEVEL:
385 ctx->debug_level = (int)i;
386 CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level);
387 break;
388
389 case CAPI_CMD_DEBUG_FILE:
7644a9ae 390 ctx->debug_file = OPENSSL_strdup(p);
0f113f3e
MC		 391 CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file);
392 break;
393
394 case CAPI_CMD_KEYTYPE:
395 ctx->keytype = i;
396 CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype);
397 break;
398
399 case CAPI_CMD_SET_CSP_IDX:
400 ret = capi_ctx_set_provname_idx(ctx, i);
401 break;
402
403 case CAPI_CMD_LIST_OPTIONS:
404 ctx->dump_flags = i;
405 break;
406
407 case CAPI_CMD_LOOKUP_METHOD:
408 if (i < 1 || i > 3) {
409 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD);
410 BIO_free(out);
411 return 0;
412 }
413 ctx->lookup_method = i;
414 break;
415
416 case CAPI_CMD_SET_CSP_NAME:
417 ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1);
418 break;
419
420 case CAPI_CMD_SET_CSP_TYPE:
421 ctx->csptype = i;
422 break;
423
424 default:
425 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND);
426 ret = 0;
427 }
428
429 BIO_free(out);
430 return ret;
431
432}
433
434static RSA_METHOD capi_rsa_method = {
435 "CryptoAPI RSA method",
436 0, /* pub_enc */
437 0, /* pub_dec */
438 capi_rsa_priv_enc, /* priv_enc */
439 capi_rsa_priv_dec, /* priv_dec */
440 0, /* rsa_mod_exp */
441 0, /* bn_mod_exp */
442 0, /* init */
443 capi_rsa_free, /* finish */
19c6d3ea 444 0, /* flags */
0f113f3e
MC		 445 NULL, /* app_data */
446 capi_rsa_sign, /* rsa_sign */
447 0 /* rsa_verify */
448};
7a18ecb2 449
6e9fa57c 450static DSA_METHOD *capi_dsa_method = NULL;
7a18ecb2 451
7b548d3f
DSH		 452static int use_aes_csp = 0;
453
0f113f3e
MC		 454static int capi_init(ENGINE *e)
455{
456 CAPI_CTX *ctx;
457 const RSA_METHOD *ossl_rsa_meth;
458 const DSA_METHOD *ossl_dsa_meth;
7b548d3f 459 HCRYPTPROV hprov;
0f113f3e
MC		 460
461 if (capi_idx < 0) {
462 capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0);
463 if (capi_idx < 0)
464 goto memerr;
465
466 cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0);
467
468 /* Setup RSA_METHOD */
469 rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
b0700d2c 470 ossl_rsa_meth = RSA_PKCS1_OpenSSL();
0f113f3e
MC		 471 capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc;
472 capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec;
473 capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp;
474 capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp;
475
476 /* Setup DSA Method */
477 dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
478 ossl_dsa_meth = DSA_OpenSSL();
a517f7fc
MC		 479 if ( !DSA_meth_set_sign(capi_dsa_method, capi_dsa_do_sign)
480 || !DSA_meth_set_verify(capi_dsa_method,
aa05e7ca 481 DSA_meth_get_verify(ossl_dsa_meth))
a517f7fc
MC		 482 || !DSA_meth_set_finish(capi_dsa_method, capi_dsa_free)
483 || !DSA_meth_set_mod_exp(capi_dsa_method,
aa05e7ca 484 DSA_meth_get_mod_exp(ossl_dsa_meth))
a517f7fc 485 || !DSA_meth_set_bn_mod_exp(capi_dsa_method,
aa05e7ca 486 DSA_meth_get_bn_mod_exp(ossl_dsa_meth))) {
a517f7fc
MC		 487 goto memerr;
488 }
0f113f3e
MC		 489 }
490
491 ctx = capi_ctx_new();
55646005 492 if (ctx == NULL)
0f113f3e
MC		 493 goto memerr;
494
495 ENGINE_set_ex_data(e, capi_idx, ctx);
496
497# ifdef OPENSSL_CAPIENG_DIALOG
498 {
499 HMODULE cryptui = LoadLibrary(TEXT("CRYPTUI.DLL"));
500 HMODULE kernel = GetModuleHandle(TEXT("KERNEL32.DLL"));
501 if (cryptui)
502 ctx->certselectdlg =
503 (CERTDLG) GetProcAddress(cryptui,
504 "CryptUIDlgSelectCertificateFromStore");
505 if (kernel)
506 ctx->getconswindow =
507 (GETCONSWIN) GetProcAddress(kernel, "GetConsoleWindow");
508 if (cryptui && !OPENSSL_isservice())
509 ctx->client_cert_select = cert_select_dialog;
510 }
511# endif
512
7b548d3f
DSH		 513 /* See if we support AES CSP */
514
515 if (CryptAcquireContext(&hprov, NULL, NULL, PROV_RSA_AES,
516 CRYPT_VERIFYCONTEXT)) {
517 use_aes_csp = 1;
518 CryptReleaseContext(hprov, 0);
519 }
520
0f113f3e
MC		 521 return 1;
522
523 memerr:
524 CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE);
525 return 0;
526
527 return 1;
528}
7a18ecb2
DSH		 529
530static int capi_destroy(ENGINE *e)
0f113f3e 531{
6e9fa57c
MC		 532 DSA_meth_free(capi_dsa_method);
533 capi_dsa_method = NULL;
0f113f3e
MC		 534 ERR_unload_CAPI_strings();
535 return 1;
536}
7a18ecb2
DSH		 537
538static int capi_finish(ENGINE *e)
0f113f3e
MC		 539{
540 CAPI_CTX *ctx;
541 ctx = ENGINE_get_ex_data(e, capi_idx);
542 capi_ctx_free(ctx);
543 ENGINE_set_ex_data(e, capi_idx, NULL);
544 return 1;
545}
546
547/*
548 * CryptoAPI key application data. This contains a handle to the private key
549 * container (for sign operations) and a handle to the key (for decrypt
550 * operations).
7a18ecb2
DSH		 551 */
552
0f113f3e
MC		 553struct CAPI_KEY_st {
554 /* Associated certificate context (if any) */
555 PCCERT_CONTEXT pcert;
556 HCRYPTPROV hprov;
557 HCRYPTKEY key;
558 DWORD keyspec;
559};
7a18ecb2
DSH		 560
561static int bind_capi(ENGINE *e)
0f113f3e 562{
6e9fa57c
MC		 563 capi_dsa_method = DSA_meth_new("CryptoAPI DSA method", 0);
564 if (capi_dsa_method == NULL)
565 return 0;
0f113f3e
MC		 566 if (!ENGINE_set_id(e, engine_capi_id)
567 || !ENGINE_set_name(e, engine_capi_name)
568 || !ENGINE_set_flags(e, ENGINE_FLAGS_NO_REGISTER_ALL)
569 || !ENGINE_set_init_function(e, capi_init)
570 || !ENGINE_set_finish_function(e, capi_finish)
571 || !ENGINE_set_destroy_function(e, capi_destroy)
572 || !ENGINE_set_RSA(e, &capi_rsa_method)
6e9fa57c 573 || !ENGINE_set_DSA(e, capi_dsa_method)
0f113f3e
MC		 574 || !ENGINE_set_load_privkey_function(e, capi_load_privkey)
575 || !ENGINE_set_load_ssl_client_cert_function(e,
576 capi_load_ssl_client_cert)
577 || !ENGINE_set_cmd_defns(e, capi_cmd_defns)
578 || !ENGINE_set_ctrl_function(e, capi_ctrl))
579 return 0;
580 ERR_load_CAPI_strings();
581
582 return 1;
583
584}
585
586# ifndef OPENSSL_NO_DYNAMIC_ENGINE
7a18ecb2 587static int bind_helper(ENGINE *e, const char *id)
0f113f3e
MC		 588{
589 if (id && (strcmp(id, engine_capi_id) != 0))
590 return 0;
591 if (!bind_capi(e))
592 return 0;
593 return 1;
594}
595
7a18ecb2 596IMPLEMENT_DYNAMIC_CHECK_FN()
0f113f3e
MC		 597 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
598# else
7a18ecb2 599static ENGINE *engine_capi(void)
0f113f3e
MC		 600{
601 ENGINE *ret = ENGINE_new();
55646005 602 if (ret == NULL)
0f113f3e
MC		 603 return NULL;
604 if (!bind_capi(ret)) {
605 ENGINE_free(ret);
606 return NULL;
607 }
608 return ret;
609}
7a18ecb2 610
7b9f8f7f 611void engine_load_capi_internal(void)
0f113f3e
MC		 612{
613 /* Copied from eng_[openssl|dyn].c */
614 ENGINE *toadd = engine_capi();
615 if (!toadd)
616 return;
617 ENGINE_add(toadd);
618 ENGINE_free(toadd);
619 ERR_clear_error();
620}
621# endif
7a18ecb2
DSH		 622
623static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
0f113f3e
MC		 624{
625 int i;
626 /*
627 * Reverse buffer in place: since this is a keyblob structure that will
628 * be freed up after conversion anyway it doesn't matter if we change
629 * it.
630 */
631 for (i = 0; i < binlen / 2; i++) {
632 unsigned char c;
633 c = bin[i];
634 bin[i] = bin[binlen - i - 1];
635 bin[binlen - i - 1] = c;
636 }
637
638 if (!BN_bin2bn(bin, binlen, bn))
639 return 0;
640 return 1;
641}
7a18ecb2 642
b3c8dd4e
DSH		 643/* Given a CAPI_KEY get an EVP_PKEY structure */
644
0f113f3e
MC		 645static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY * key)
646{
647 unsigned char *pubkey = NULL;
648 DWORD len;
649 BLOBHEADER *bh;
650 RSA *rkey = NULL;
651 DSA *dkey = NULL;
652 EVP_PKEY *ret = NULL;
653 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len)) {
654 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
655 capi_addlasterror();
656 return NULL;
657 }
658
659 pubkey = OPENSSL_malloc(len);
660
55646005 661 if (pubkey == NULL)
0f113f3e
MC		 662 goto memerr;
663
664 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len)) {
665 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
666 capi_addlasterror();
667 goto err;
668 }
669
670 bh = (BLOBHEADER *) pubkey;
671 if (bh->bType != PUBLICKEYBLOB) {
672 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
673 goto err;
674 }
675 if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX) {
676 RSAPUBKEY *rp;
677 DWORD rsa_modlen;
678 unsigned char *rsa_modulus;
679 rp = (RSAPUBKEY *) (bh + 1);
680 if (rp->magic != 0x31415352) {
681 char magstr[10];
682 BIO_snprintf(magstr, 10, "%lx", rp->magic);
683 CAPIerr(CAPI_F_CAPI_GET_PKEY,
684 CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
685 ERR_add_error_data(2, "magic=0x", magstr);
686 goto err;
687 }
688 rsa_modulus = (unsigned char *)(rp + 1);
689 rkey = RSA_new_method(eng);
690 if (!rkey)
691 goto memerr;
692
693 rkey->e = BN_new();
694 rkey->n = BN_new();
695
55646005 696 if (rkey->e == NULL || rkey->n == NULL)
0f113f3e
MC		 697 goto memerr;
698
699 if (!BN_set_word(rkey->e, rp->pubexp))
700 goto memerr;
701
702 rsa_modlen = rp->bitlen / 8;
703 if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen))
704 goto memerr;
705
706 RSA_set_ex_data(rkey, rsa_capi_idx, key);
707
75ebbd9a 708 if ((ret = EVP_PKEY_new()) == NULL)
0f113f3e
MC		 709 goto memerr;
710
711 EVP_PKEY_assign_RSA(ret, rkey);
712 rkey = NULL;
713
714 } else if (bh->aiKeyAlg == CALG_DSS_SIGN) {
715 DSSPUBKEY *dp;
716 DWORD dsa_plen;
717 unsigned char *btmp;
6e9fa57c 718 BIGNUM *p, *q, *g, *pub_key;
0f113f3e
MC		 719 dp = (DSSPUBKEY *) (bh + 1);
720 if (dp->magic != 0x31535344) {
721 char magstr[10];
722 BIO_snprintf(magstr, 10, "%lx", dp->magic);
723 CAPIerr(CAPI_F_CAPI_GET_PKEY,
724 CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
725 ERR_add_error_data(2, "magic=0x", magstr);
726 goto err;
727 }
728 dsa_plen = dp->bitlen / 8;
729 btmp = (unsigned char *)(dp + 1);
730 dkey = DSA_new_method(eng);
731 if (!dkey)
732 goto memerr;
6e9fa57c
MC		 733 p = BN_new();
734 q = BN_new();
735 g = BN_new();
736 pub_key = BN_new();
737 if (p == NULL || q == NULL || g == NULL || pub_key == NULL)
0f113f3e 738 goto memerr;
6e9fa57c
MC		 739 DSA_set0_pqg(dkey, p, q, g);
740 DSA_set0_key(dkey, pub_key, NULL);
741 if (!lend_tobn(p, btmp, dsa_plen))
0f113f3e
MC		 742 goto memerr;
743 btmp += dsa_plen;
6e9fa57c 744 if (!lend_tobn(q, btmp, 20))
0f113f3e
MC		 745 goto memerr;
746 btmp += 20;
6e9fa57c 747 if (!lend_tobn(g, btmp, dsa_plen))
0f113f3e
MC		 748 goto memerr;
749 btmp += dsa_plen;
6e9fa57c 750 if (!lend_tobn(pub_key, btmp, dsa_plen))
0f113f3e
MC		 751 goto memerr;
752 btmp += dsa_plen;
753
754 DSA_set_ex_data(dkey, dsa_capi_idx, key);
755
75ebbd9a 756 if ((ret = EVP_PKEY_new()) == NULL)
0f113f3e
MC		 757 goto memerr;
758
759 EVP_PKEY_assign_DSA(ret, dkey);
760 dkey = NULL;
761 } else {
762 char algstr[10];
57ebe748 763 BIO_snprintf(algstr, 10, "%ux", bh->aiKeyAlg);
0f113f3e
MC		 764 CAPIerr(CAPI_F_CAPI_GET_PKEY,
765 CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
766 ERR_add_error_data(2, "aiKeyAlg=0x", algstr);
767 goto err;
768 }
769
770 err:
b548a1f1 771 OPENSSL_free(pubkey);
0f113f3e 772 if (!ret) {
d6407083
RS		 773 RSA_free(rkey);
774 DSA_free(dkey);
0f113f3e
MC		 775 }
776
777 return ret;
778
779 memerr:
780 CAPIerr(CAPI_F_CAPI_GET_PKEY, ERR_R_MALLOC_FAILURE);
781 goto err;
782
783}
7a18ecb2 784
b3c8dd4e 785static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
0f113f3e
MC		 786 UI_METHOD *ui_method, void *callback_data)
787{
788 CAPI_CTX *ctx;
789 CAPI_KEY *key;
790 EVP_PKEY *ret;
791 ctx = ENGINE_get_ex_data(eng, capi_idx);
b3c8dd4e 792
0f113f3e
MC		 793 if (!ctx) {
794 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
795 return NULL;
796 }
b3c8dd4e 797
0f113f3e 798 key = capi_find_key(ctx, key_id);
b3c8dd4e 799
0f113f3e
MC		 800 if (!key)
801 return NULL;
b3c8dd4e 802
0f113f3e 803 ret = capi_get_pkey(eng, key);
b3c8dd4e 804
0f113f3e
MC		 805 if (!ret)
806 capi_free_key(key);
807 return ret;
b3c8dd4e 808
0f113f3e 809}
b3c8dd4e 810
7a18ecb2
DSH		 811/* CryptoAPI RSA operations */
812
813int capi_rsa_priv_enc(int flen, const unsigned char *from,
0f113f3e
MC		 814 unsigned char *to, RSA *rsa, int padding)
815{
816 CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
817 return -1;
818}
7a18ecb2
DSH		 819
820int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
0f113f3e
MC		 821 unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
822{
823 ALG_ID alg;
824 HCRYPTHASH hash;
825 DWORD slen;
826 unsigned int i;
827 int ret = -1;
828 CAPI_KEY *capi_key;
829 CAPI_CTX *ctx;
830
831 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
832
833 CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
834
835 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
836 if (!capi_key) {
837 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
838 return -1;
839 }
7a18ecb2 840/* Convert the signature type to a CryptoAPI algorithm ID */
0f113f3e
MC		 841 switch (dtype) {
842 case NID_sha256:
843 alg = CALG_SHA_256;
844 break;
845
846 case NID_sha384:
847 alg = CALG_SHA_384;
848 break;
849
850 case NID_sha512:
851 alg = CALG_SHA_512;
852 break;
853
854 case NID_sha1:
855 alg = CALG_SHA1;
856 break;
857
858 case NID_md5:
859 alg = CALG_MD5;
860 break;
861
862 case NID_md5_sha1:
863 alg = CALG_SSL3_SHAMD5;
864 break;
865 default:
866 {
867 char algstr[10];
57ebe748 868 BIO_snprintf(algstr, 10, "%x", dtype);
0f113f3e
MC		 869 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID);
870 ERR_add_error_data(2, "NID=0x", algstr);
871 return -1;
872 }
873 }
7a18ecb2
DSH		 874
875/* Create the hash object */
0f113f3e
MC		 876 if (!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash)) {
877 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
878 capi_addlasterror();
879 return -1;
880 }
7a18ecb2
DSH		 881/* Set the hash value to the value passed */
882
0f113f3e
MC		 883 if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0)) {
884 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
885 capi_addlasterror();
886 goto err;
887 }
7a18ecb2
DSH		 888
889/* Finally sign it */
0f113f3e
MC		 890 slen = RSA_size(rsa);
891 if (!CryptSignHash(hash, capi_key->keyspec, NULL, 0, sigret, &slen)) {
892 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
893 capi_addlasterror();
894 goto err;
895 } else {
896 ret = 1;
897 /* Inplace byte reversal of signature */
898 for (i = 0; i < slen / 2; i++) {
899 unsigned char c;
900 c = sigret[i];
901 sigret[i] = sigret[slen - i - 1];
902 sigret[slen - i - 1] = c;
903 }
904 *siglen = slen;
905 }
906
907 /* Now cleanup */
908
909 err:
910 CryptDestroyHash(hash);
911
912 return ret;
913}
7a18ecb2
DSH		 914
915int capi_rsa_priv_dec(int flen, const unsigned char *from,
0f113f3e
MC		 916 unsigned char *to, RSA *rsa, int padding)
917{
918 int i;
919 unsigned char *tmpbuf;
920 CAPI_KEY *capi_key;
921 CAPI_CTX *ctx;
57ebe748
AP		 922 DWORD dlen;
923
924 if (flen <= 0)
925 return flen;
926
0f113f3e
MC		 927 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
928
929 CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n");
930
931 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
932 if (!capi_key) {
933 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY);
934 return -1;
935 }
936
937 if (padding != RSA_PKCS1_PADDING) {
938 char errstr[10];
939 BIO_snprintf(errstr, 10, "%d", padding);
940 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
941 ERR_add_error_data(2, "padding=", errstr);
942 return -1;
943 }
944
945 /* Create temp reverse order version of input */
75ebbd9a 946 if ((tmpbuf = OPENSSL_malloc(flen)) == NULL) {
0f113f3e
MC		 947 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE);
948 return -1;
949 }
950 for (i = 0; i < flen; i++)
951 tmpbuf[flen - i - 1] = from[i];
952
953 /* Finally decrypt it */
57ebe748
AP		 954 dlen = flen;
955 if (!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &dlen)) {
0f113f3e
MC		 956 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
957 capi_addlasterror();
958 OPENSSL_free(tmpbuf);
959 return -1;
960 } else
57ebe748 961 memcpy(to, tmpbuf, (flen = (int)dlen));
0f113f3e
MC		 962
963 OPENSSL_free(tmpbuf);
964
965 return flen;
966}
7a18ecb2
DSH		 967
968static int capi_rsa_free(RSA *rsa)
0f113f3e
MC		 969{
970 CAPI_KEY *capi_key;
971 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
972 capi_free_key(capi_key);
973 RSA_set_ex_data(rsa, rsa_capi_idx, 0);
974 return 1;
975}
7a18ecb2
DSH		 976
977/* CryptoAPI DSA operations */
978
979static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
0f113f3e
MC		 980 DSA *dsa)
981{
982 HCRYPTHASH hash;
983 DWORD slen;
984 DSA_SIG *ret = NULL;
985 CAPI_KEY *capi_key;
986 CAPI_CTX *ctx;
987 unsigned char csigbuf[40];
988
6e9fa57c 989 ctx = ENGINE_get_ex_data(DSA_get0_engine(dsa), capi_idx);
0f113f3e
MC		 990
991 CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n");
992
993 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
994
995 if (!capi_key) {
996 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY);
997 return NULL;
998 }
999
1000 if (dlen != 20) {
1001 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH);
1002 return NULL;
1003 }
1004
1005 /* Create the hash object */
1006 if (!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash)) {
1007 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
1008 capi_addlasterror();
1009 return NULL;
1010 }
1011
1012 /* Set the hash value to the value passed */
1013 if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0)) {
1014 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
1015 capi_addlasterror();
1016 goto err;
1017 }
1018
1019 /* Finally sign it */
1020 slen = sizeof(csigbuf);
1021 if (!CryptSignHash(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen)) {
1022 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH);
1023 capi_addlasterror();
1024 goto err;
1025 } else {
a8a35540 1026 BIGNUM *r = NULL, *s = NULL;
0f113f3e 1027 ret = DSA_SIG_new();
55646005 1028 if (ret == NULL)
0f113f3e 1029 goto err;
a8a35540
RL		 1030 DSA_SIG_get0(&r, &s, ret);
1031 if (!lend_tobn(r, csigbuf, 20)
1032 || !lend_tobn(s, csigbuf + 20, 20)) {
0f113f3e
MC		 1033 DSA_SIG_free(ret);
1034 ret = NULL;
1035 goto err;
1036 }
1037 }
1038
1039 /* Now cleanup */
1040
1041 err:
1042 OPENSSL_cleanse(csigbuf, 40);
1043 CryptDestroyHash(hash);
1044 return ret;
1045}
7a18ecb2
DSH		 1046
1047static int capi_dsa_free(DSA *dsa)
0f113f3e
MC		 1048{
1049 CAPI_KEY *capi_key;
1050 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
1051 capi_free_key(capi_key);
1052 DSA_set_ex_data(dsa, dsa_capi_idx, 0);
1053 return 1;
1054}
1055
1056static void capi_vtrace(CAPI_CTX * ctx, int level, char *format,
1057 va_list argptr)
1058{
1059 BIO *out;
1060
1061 if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
1062 return;
1063 out = BIO_new_file(ctx->debug_file, "a+");
1064 if (out == NULL) {
1065 CAPIerr(CAPI_F_CAPI_VTRACE, CAPI_R_FILE_OPEN_ERROR);
1066 return;
1067 }
1068 BIO_vprintf(out, format, argptr);
1069 BIO_free(out);
1070}
1071
1072static void CAPI_trace(CAPI_CTX * ctx, char *format, ...)
1073{
1074 va_list args;
1075 va_start(args, format);
1076 capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
1077 va_end(args);
1078}
7a18ecb2
DSH		 1079
1080static void capi_addlasterror(void)
0f113f3e
MC		 1081{
1082 capi_adderror(GetLastError());
1083}
7a18ecb2
DSH		 1084
1085static void capi_adderror(DWORD err)
0f113f3e
MC		 1086{
1087 char errstr[10];
1088 BIO_snprintf(errstr, 10, "%lX", err);
1089 ERR_add_error_data(2, "Error code= 0x", errstr);
1090}
7a18ecb2 1091
cc4c2306 1092static char *wide_to_asc(LPCWSTR wstr)
0f113f3e
MC		 1093{
1094 char *str;
1095 int len_0, sz;
1096
1097 if (!wstr)
1098 return NULL;
1099 len_0 = (int)wcslen(wstr) + 1; /* WideCharToMultiByte expects int */
1100 sz = WideCharToMultiByte(CP_ACP, 0, wstr, len_0, NULL, 0, NULL, NULL);
1101 if (!sz) {
1102 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1103 return NULL;
1104 }
1105 str = OPENSSL_malloc(sz);
55646005 1106 if (str == NULL) {
0f113f3e
MC		 1107 CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
1108 return NULL;
1109 }
1110 if (!WideCharToMultiByte(CP_ACP, 0, wstr, len_0, str, sz, NULL, NULL)) {
1111 OPENSSL_free(str);
1112 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1113 return NULL;
1114 }
1115 return str;
1116}
1117
1118static int capi_get_provname(CAPI_CTX * ctx, LPSTR * pname, DWORD * ptype,
1119 DWORD idx)
1120{
1121 DWORD len, err;
1122 LPTSTR name;
1123 CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
1124 if (!CryptEnumProviders(idx, NULL, 0, ptype, NULL, &len)) {
1125 err = GetLastError();
1126 if (err == ERROR_NO_MORE_ITEMS)
1127 return 2;
1128 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1129 capi_adderror(err);
1130 return 0;
1131 }
1132 name = OPENSSL_malloc(len);
1133 if (name == NULL) {
1134 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, ERR_R_MALLOC_FAILURE);
1135 return 0;
1136 }
1137 if (!CryptEnumProviders(idx, NULL, 0, ptype, name, &len)) {
1138 err = GetLastError();
1139 OPENSSL_free(name);
1140 if (err == ERROR_NO_MORE_ITEMS)
1141 return 2;
1142 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1143 capi_adderror(err);
1144 return 0;
1145 }
1146 if (sizeof(TCHAR) != sizeof(char)) {
1147 *pname = wide_to_asc((WCHAR *)name);
1148 OPENSSL_free(name);
1149 if (*pname == NULL)
1150 return 0;
1151 } else
1152 *pname = (char *)name;
1153 CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", *pname,
1154 *ptype);
1155
1156 return 1;
1157}
1158
1159static int capi_list_providers(CAPI_CTX * ctx, BIO *out)
1160{
1161 DWORD idx, ptype;
1162 int ret;
1163 LPSTR provname = NULL;
1164 CAPI_trace(ctx, "capi_list_providers\n");
1165 BIO_printf(out, "Available CSPs:\n");
1166 for (idx = 0;; idx++) {
1167 ret = capi_get_provname(ctx, &provname, &ptype, idx);
1168 if (ret == 2)
1169 break;
1170 if (ret == 0)
1171 break;
57ebe748 1172 BIO_printf(out, "%lu. %s, type %lu\n", idx, provname, ptype);
0f113f3e
MC		 1173 OPENSSL_free(provname);
1174 }
1175 return 1;
1176}
1177
1178static int capi_list_containers(CAPI_CTX * ctx, BIO *out)
1179{
1180 int ret = 1;
1181 HCRYPTPROV hprov;
1182 DWORD err, idx, flags, buflen = 0, clen;
1183 LPSTR cname;
1184 LPTSTR cspname = NULL;
1185
1186 CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname,
1187 ctx->csptype);
1188 if (ctx->cspname && sizeof(TCHAR) != sizeof(char)) {
1189 if ((clen =
1190 MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, NULL, 0))) {
1191 cspname = alloca(clen * sizeof(WCHAR));
1192 MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, (WCHAR *)cspname,
1193 clen);
1194 }
1195 if (!cspname) {
1196 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1197 capi_addlasterror();
1198 return 0;
1199 }
1200 } else
1201 cspname = (TCHAR *)ctx->cspname;
1202 if (!CryptAcquireContext
1203 (&hprov, NULL, cspname, ctx->csptype, CRYPT_VERIFYCONTEXT)) {
1204 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS,
1205 CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1206 capi_addlasterror();
1207 return 0;
1208 }
1209 if (!CryptGetProvParam
1210 (hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST)) {
1211 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1212 capi_addlasterror();
1213 CryptReleaseContext(hprov, 0);
1214 return 0;
1215 }
1216 CAPI_trace(ctx, "Got max container len %d\n", buflen);
1217 if (buflen == 0)
1218 buflen = 1024;
1219 cname = OPENSSL_malloc(buflen);
55646005 1220 if (cname == NULL) {
0f113f3e
MC		 1221 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1222 goto err;
1223 }
1224
1225 for (idx = 0;; idx++) {
1226 clen = buflen;
1227 cname[0] = 0;
1228
1229 if (idx == 0)
1230 flags = CRYPT_FIRST;
1231 else
1232 flags = 0;
1233 if (!CryptGetProvParam
1234 (hprov, PP_ENUMCONTAINERS, (BYTE *) cname, &clen, flags)) {
1235 err = GetLastError();
1236 if (err == ERROR_NO_MORE_ITEMS)
1237 goto done;
1238 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1239 capi_adderror(err);
1240 goto err;
1241 }
1242 CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n",
1243 cname, clen, idx, flags);
1244 if (!cname[0] && (clen == buflen)) {
1245 CAPI_trace(ctx, "Enumerate bug: using workaround\n");
1246 goto done;
1247 }
57ebe748 1248 BIO_printf(out, "%lu. %s\n", idx, cname);
0f113f3e
MC		 1249 }
1250 err:
1251
1252 ret = 0;
1253
1254 done:
b548a1f1 1255 OPENSSL_free(cname);
0f113f3e
MC		 1256 CryptReleaseContext(hprov, 0);
1257
1258 return ret;
1259}
1260
57ebe748 1261static CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
0f113f3e
MC		 1262{
1263 DWORD len;
1264 CRYPT_KEY_PROV_INFO *pinfo;
1265
1266 if (!CertGetCertificateContextProperty
1267 (cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len))
1268 return NULL;
1269 pinfo = OPENSSL_malloc(len);
55646005 1270 if (pinfo == NULL) {
0f113f3e
MC		 1271 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE);
1272 return NULL;
1273 }
1274 if (!CertGetCertificateContextProperty
1275 (cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len)) {
1276 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO,
1277 CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO);
1278 capi_addlasterror();
1279 OPENSSL_free(pinfo);
1280 return NULL;
1281 }
1282 return pinfo;
1283}
1284
1285static void capi_dump_prov_info(CAPI_CTX * ctx, BIO *out,
1286 CRYPT_KEY_PROV_INFO * pinfo)
1287{
1288 char *provname = NULL, *contname = NULL;
1289 if (!pinfo) {
1290 BIO_printf(out, " No Private Key\n");
1291 return;
1292 }
1293 provname = wide_to_asc(pinfo->pwszProvName);
1294 contname = wide_to_asc(pinfo->pwszContainerName);
1295 if (!provname || !contname)
1296 goto err;
1297
1298 BIO_printf(out, " Private Key Info:\n");
57ebe748 1299 BIO_printf(out, " Provider Name: %s, Provider Type %lu\n", provname,
0f113f3e 1300 pinfo->dwProvType);
57ebe748 1301 BIO_printf(out, " Container Name: %s, Key Type %lu\n", contname,
0f113f3e
MC		 1302 pinfo->dwKeySpec);
1303 err:
b548a1f1
RS		 1304 OPENSSL_free(provname);
1305 OPENSSL_free(contname);
0f113f3e
MC		 1306}
1307
57ebe748 1308static char *capi_cert_get_fname(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
0f113f3e
MC		 1309{
1310 LPWSTR wfname;
1311 DWORD dlen;
1312
1313 CAPI_trace(ctx, "capi_cert_get_fname\n");
1314 if (!CertGetCertificateContextProperty
1315 (cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen))
1316 return NULL;
1317 wfname = OPENSSL_malloc(dlen);
1318 if (wfname == NULL)
1319 return NULL;
1320 if (CertGetCertificateContextProperty
1321 (cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen)) {
1322 char *fname = wide_to_asc(wfname);
1323 OPENSSL_free(wfname);
1324 return fname;
1325 }
1326 CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME);
1327 capi_addlasterror();
1328
1329 OPENSSL_free(wfname);
1330 return NULL;
1331}
1332
57ebe748 1333static void capi_dump_cert(CAPI_CTX * ctx, BIO *out, PCCERT_CONTEXT cert)
0f113f3e
MC		 1334{
1335 X509 *x;
57ebe748 1336 const unsigned char *p;
0f113f3e
MC		 1337 unsigned long flags = ctx->dump_flags;
1338 if (flags & CAPI_DMP_FNAME) {
1339 char *fname;
1340 fname = capi_cert_get_fname(ctx, cert);
1341 if (fname) {
1342 BIO_printf(out, " Friendly Name \"%s\"\n", fname);
1343 OPENSSL_free(fname);
1344 } else
1345 BIO_printf(out, " <No Friendly Name>\n");
1346 }
1347
1348 p = cert->pbCertEncoded;
1349 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1350 if (!x)
1351 BIO_printf(out, " <Can't parse certificate>\n");
1352 if (flags & CAPI_DMP_SUMMARY) {
1353 BIO_printf(out, " Subject: ");
1354 X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
1355 BIO_printf(out, "\n Issuer: ");
1356 X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
1357 BIO_printf(out, "\n");
1358 }
1359 if (flags & CAPI_DMP_FULL)
1360 X509_print_ex(out, x, XN_FLAG_ONELINE, 0);
1361
1362 if (flags & CAPI_DMP_PKEYINFO) {
1363 CRYPT_KEY_PROV_INFO *pinfo;
1364 pinfo = capi_get_prov_info(ctx, cert);
1365 capi_dump_prov_info(ctx, out, pinfo);
b548a1f1 1366 OPENSSL_free(pinfo);
0f113f3e
MC		 1367 }
1368
1369 if (flags & CAPI_DMP_PEM)
1370 PEM_write_bio_X509(out, x);
1371 X509_free(x);
1372}
1373
57ebe748 1374static HCERTSTORE capi_open_store(CAPI_CTX * ctx, char *storename)
0f113f3e
MC		 1375{
1376 HCERTSTORE hstore;
1377
1378 if (!storename)
1379 storename = ctx->storename;
1380 if (!storename)
1381 storename = "MY";
1382 CAPI_trace(ctx, "Opening certificate store %s\n", storename);
1383
1384 hstore = CertOpenStore(CERT_STORE_PROV_SYSTEM_A, 0, 0,
1385 ctx->store_flags, storename);
1386 if (!hstore) {
1387 CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE);
1388 capi_addlasterror();
1389 }
1390 return hstore;
1391}
1392
1393int capi_list_certs(CAPI_CTX * ctx, BIO *out, char *id)
1394{
1395 char *storename;
1396 int idx;
1397 int ret = 1;
1398 HCERTSTORE hstore;
1399 PCCERT_CONTEXT cert = NULL;
1400
1401 storename = ctx->storename;
1402 if (!storename)
1403 storename = "MY";
1404 CAPI_trace(ctx, "Listing certs for store %s\n", storename);
1405
1406 hstore = capi_open_store(ctx, storename);
1407 if (!hstore)
1408 return 0;
1409 if (id) {
1410 cert = capi_find_cert(ctx, id, hstore);
1411 if (!cert) {
1412 ret = 0;
1413 goto err;
1414 }
1415 capi_dump_cert(ctx, out, cert);
1416 CertFreeCertificateContext(cert);
1417 } else {
1418 for (idx = 0;; idx++) {
1419 cert = CertEnumCertificatesInStore(hstore, cert);
1420 if (!cert)
1421 break;
1422 BIO_printf(out, "Certificate %d\n", idx);
1423 capi_dump_cert(ctx, out, cert);
1424 }
1425 }
1426 err:
1427 CertCloseStore(hstore, 0);
1428 return ret;
1429}
1430
1431static PCCERT_CONTEXT capi_find_cert(CAPI_CTX * ctx, const char *id,
1432 HCERTSTORE hstore)
1433{
1434 PCCERT_CONTEXT cert = NULL;
1435 char *fname = NULL;
1436 int match;
1437 switch (ctx->lookup_method) {
1438 case CAPI_LU_SUBSTR:
1439 return CertFindCertificateInStore(hstore,
1440 X509_ASN_ENCODING, 0,
1441 CERT_FIND_SUBJECT_STR_A, id, NULL);
1442 case CAPI_LU_FNAME:
1443 for (;;) {
1444 cert = CertEnumCertificatesInStore(hstore, cert);
1445 if (!cert)
1446 return NULL;
1447 fname = capi_cert_get_fname(ctx, cert);
1448 if (fname) {
1449 if (strcmp(fname, id))
1450 match = 0;
1451 else
1452 match = 1;
1453 OPENSSL_free(fname);
1454 if (match)
1455 return cert;
1456 }
1457 }
1458 default:
1459 return NULL;
1460 }
1461}
1462
1463static CAPI_KEY *capi_get_key(CAPI_CTX * ctx, const TCHAR *contname,
1464 TCHAR *provname, DWORD ptype, DWORD keyspec)
1465{
0f113f3e 1466 DWORD dwFlags = 0;
b4faea50
RS		 1467 CAPI_KEY *key = OPENSSL_malloc(sizeof(*key));
1468
0f113f3e
MC		 1469 if (key == NULL)
1470 return NULL;
7b548d3f
DSH		 1471 /* If PROV_RSA_AES supported use it instead */
1472 if (ptype == PROV_RSA_FULL && use_aes_csp) {
1473 provname = NULL;
1474 ptype = PROV_RSA_AES;
1475 CAPI_trace(ctx, "capi_get_key, contname=%s, RSA_AES_CSP\n", contname);
1476 } else if (sizeof(TCHAR) == sizeof(char)) {
0f113f3e
MC		 1477 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1478 contname, provname, ptype);
7b548d3f 1479 } else if (ctx && ctx->debug_level >= CAPI_DBG_TRACE && ctx->debug_file) {
0f113f3e
MC		 1480 /* above 'if' is optimization to minimize malloc-ations */
1481 char *_contname = wide_to_asc((WCHAR *)contname);
1482 char *_provname = wide_to_asc((WCHAR *)provname);
1483
1484 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1485 _contname, _provname, ptype);
b548a1f1
RS		 1486 OPENSSL_free(_provname);
1487 OPENSSL_free(_contname);
0f113f3e
MC		 1488 }
1489 if (ctx->store_flags & CERT_SYSTEM_STORE_LOCAL_MACHINE)
1490 dwFlags = CRYPT_MACHINE_KEYSET;
1491 if (!CryptAcquireContext(&key->hprov, contname, provname, ptype, dwFlags)) {
1492 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1493 capi_addlasterror();
1494 goto err;
1495 }
1496 if (!CryptGetUserKey(key->hprov, keyspec, &key->key)) {
1497 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR);
1498 capi_addlasterror();
1499 CryptReleaseContext(key->hprov, 0);
1500 goto err;
1501 }
1502 key->keyspec = keyspec;
1503 key->pcert = NULL;
1504 return key;
1505
1506 err:
1507 OPENSSL_free(key);
1508 return NULL;
1509}
1510
1511static CAPI_KEY *capi_get_cert_key(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
1512{
1513 CAPI_KEY *key = NULL;
1514 CRYPT_KEY_PROV_INFO *pinfo = NULL;
1515 char *provname = NULL, *contname = NULL;
1516 pinfo = capi_get_prov_info(ctx, cert);
1517 if (!pinfo)
1518 goto err;
1519 if (sizeof(TCHAR) != sizeof(char))
1520 key = capi_get_key(ctx, (TCHAR *)pinfo->pwszContainerName,
1521 (TCHAR *)pinfo->pwszProvName,
1522 pinfo->dwProvType, pinfo->dwKeySpec);
1523 else {
1524 provname = wide_to_asc(pinfo->pwszProvName);
1525 contname = wide_to_asc(pinfo->pwszContainerName);
1526 if (!provname || !contname)
1527 goto err;
1528 key = capi_get_key(ctx, (TCHAR *)contname, (TCHAR *)provname,
1529 pinfo->dwProvType, pinfo->dwKeySpec);
1530 }
1531
1532 err:
b548a1f1
RS		 1533 OPENSSL_free(pinfo);
1534 OPENSSL_free(provname);
1535 OPENSSL_free(contname);
0f113f3e
MC		 1536 return key;
1537}
1538
1539CAPI_KEY *capi_find_key(CAPI_CTX * ctx, const char *id)
1540{
1541 PCCERT_CONTEXT cert;
1542 HCERTSTORE hstore;
1543 CAPI_KEY *key = NULL;
1544 switch (ctx->lookup_method) {
1545 case CAPI_LU_SUBSTR:
1546 case CAPI_LU_FNAME:
1547 hstore = capi_open_store(ctx, NULL);
1548 if (!hstore)
1549 return NULL;
1550 cert = capi_find_cert(ctx, id, hstore);
1551 if (cert) {
1552 key = capi_get_cert_key(ctx, cert);
1553 CertFreeCertificateContext(cert);
1554 }
1555 CertCloseStore(hstore, 0);
1556 break;
1557
1558 case CAPI_LU_CONTNAME:
1559 if (sizeof(TCHAR) != sizeof(char)) {
1560 WCHAR *contname, *provname;
1561 DWORD len;
1562
1563 if ((len = MultiByteToWideChar(CP_ACP, 0, id, -1, NULL, 0)) &&
1564 (contname = alloca(len * sizeof(WCHAR)),
1565 MultiByteToWideChar(CP_ACP, 0, id, -1, contname, len)) &&
1566 (len =
1567 MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, NULL, 0))
1568 && (provname =
1569 alloca(len * sizeof(WCHAR)), MultiByteToWideChar(CP_ACP,
1570 0,
1571 ctx->cspname,
1572 -1,
1573 provname,
1574 len)))
1575 key =
1576 capi_get_key(ctx, (TCHAR *)contname, (TCHAR *)provname,
1577 ctx->csptype, ctx->keytype);
1578 } else
1579 key = capi_get_key(ctx, (TCHAR *)id,
1580 (TCHAR *)ctx->cspname,
1581 ctx->csptype, ctx->keytype);
1582 break;
1583 }
1584
1585 return key;
1586}
1587
1588void capi_free_key(CAPI_KEY * key)
1589{
1590 if (!key)
1591 return;
1592 CryptDestroyKey(key->key);
1593 CryptReleaseContext(key->hprov, 0);
1594 if (key->pcert)
1595 CertFreeCertificateContext(key->pcert);
1596 OPENSSL_free(key);
1597}
7a18ecb2
DSH		 1598
1599/* Initialize a CAPI_CTX structure */
1600
57ebe748 1601static CAPI_CTX *capi_ctx_new(void)
0f113f3e 1602{
64b25758 1603 CAPI_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
b4faea50 1604
55646005 1605 if (ctx == NULL) {
0f113f3e
MC		 1606 CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE);
1607 return NULL;
1608 }
0f113f3e
MC		 1609 ctx->csptype = PROV_RSA_FULL;
1610 ctx->dump_flags = CAPI_DMP_SUMMARY | CAPI_DMP_FNAME;
1611 ctx->keytype = AT_KEYEXCHANGE;
0f113f3e
MC		 1612 ctx->store_flags = CERT_STORE_OPEN_EXISTING_FLAG |
1613 CERT_STORE_READONLY_FLAG | CERT_SYSTEM_STORE_CURRENT_USER;
1614 ctx->lookup_method = CAPI_LU_SUBSTR;
0f113f3e
MC		 1615 ctx->client_cert_select = cert_select_simple;
1616 return ctx;
1617}
1618
1619static void capi_ctx_free(CAPI_CTX * ctx)
1620{
1621 CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx);
1622 if (!ctx)
1623 return;
b548a1f1
RS		 1624 OPENSSL_free(ctx->cspname);
1625 OPENSSL_free(ctx->debug_file);
1626 OPENSSL_free(ctx->storename);
1627 OPENSSL_free(ctx->ssl_client_store);
0f113f3e
MC		 1628 OPENSSL_free(ctx);
1629}
1630
1631static int capi_ctx_set_provname(CAPI_CTX * ctx, LPSTR pname, DWORD type,
1632 int check)
1633{
1634 CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type);
1635 if (check) {
1636 HCRYPTPROV hprov;
1637 LPTSTR name = NULL;
1638
1639 if (sizeof(TCHAR) != sizeof(char)) {
1640 DWORD len;
1641 if ((len = MultiByteToWideChar(CP_ACP, 0, pname, -1, NULL, 0))) {
1642 name = alloca(len * sizeof(WCHAR));
1643 MultiByteToWideChar(CP_ACP, 0, pname, -1, (WCHAR *)name, len);
1644 }
1645 } else
1646 name = (TCHAR *)pname;
1647
1648 if (!name || !CryptAcquireContext(&hprov, NULL, name, type,
1649 CRYPT_VERIFYCONTEXT)) {
1650 CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME,
1651 CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1652 capi_addlasterror();
1653 return 0;
1654 }
1655 CryptReleaseContext(hprov, 0);
1656 }
b548a1f1 1657 OPENSSL_free(ctx->cspname);
7644a9ae 1658 ctx->cspname = OPENSSL_strdup(pname);
0f113f3e
MC		 1659 ctx->csptype = type;
1660 return 1;
1661}
1662
1663static int capi_ctx_set_provname_idx(CAPI_CTX * ctx, int idx)
1664{
1665 LPSTR pname;
1666 DWORD type;
1667 int res;
1668 if (capi_get_provname(ctx, &pname, &type, idx) != 1)
1669 return 0;
1670 res = capi_ctx_set_provname(ctx, pname, type, 0);
1671 OPENSSL_free(pname);
1672 return res;
1673}
7a18ecb2 1674
b3c8dd4e 1675static int cert_issuer_match(STACK_OF(X509_NAME) *ca_dn, X509 *x)
0f113f3e
MC		 1676{
1677 int i;
1678 X509_NAME *nm;
1679 /* Special case: empty list: match anything */
1680 if (sk_X509_NAME_num(ca_dn) <= 0)
1681 return 1;
1682 for (i = 0; i < sk_X509_NAME_num(ca_dn); i++) {
1683 nm = sk_X509_NAME_value(ca_dn, i);
1684 if (!X509_NAME_cmp(nm, X509_get_issuer_name(x)))
1685 return 1;
1686 }
1687 return 0;
1688}
7d537d4f 1689
b3c8dd4e 1690static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
0f113f3e
MC		 1691 STACK_OF(X509_NAME) *ca_dn, X509 **pcert,
1692 EVP_PKEY **pkey, STACK_OF(X509) **pother,
1693 UI_METHOD *ui_method,
1694 void *callback_data)
1695{
1696 STACK_OF(X509) *certs = NULL;
1697 X509 *x;
1698 char *storename;
57ebe748 1699 const unsigned char *p;
0f113f3e
MC		 1700 int i, client_cert_idx;
1701 HCERTSTORE hstore;
1702 PCCERT_CONTEXT cert = NULL, excert = NULL;
1703 CAPI_CTX *ctx;
1704 CAPI_KEY *key;
1705 ctx = ENGINE_get_ex_data(e, capi_idx);
1706
1707 *pcert = NULL;
1708 *pkey = NULL;
1709
1710 storename = ctx->ssl_client_store;
1711 if (!storename)
1712 storename = "MY";
1713
1714 hstore = capi_open_store(ctx, storename);
1715 if (!hstore)
1716 return 0;
1717 /* Enumerate all certificates collect any matches */
1718 for (i = 0;; i++) {
1719 cert = CertEnumCertificatesInStore(hstore, cert);
1720 if (!cert)
1721 break;
1722 p = cert->pbCertEncoded;
1723 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1724 if (!x) {
1725 CAPI_trace(ctx, "Can't Parse Certificate %d\n", i);
1726 continue;
1727 }
1728 if (cert_issuer_match(ca_dn, x)
1729 && X509_check_purpose(x, X509_PURPOSE_SSL_CLIENT, 0)) {
1730 key = capi_get_cert_key(ctx, cert);
1731 if (!key) {
1732 X509_free(x);
1733 continue;
1734 }
1735 /*
1736 * Match found: attach extra data to it so we can retrieve the
1737 * key later.
1738 */
1739 excert = CertDuplicateCertificateContext(cert);
1740 key->pcert = excert;
1741 X509_set_ex_data(x, cert_capi_idx, key);
1742
1743 if (!certs)
1744 certs = sk_X509_new_null();
1745
1746 sk_X509_push(certs, x);
1747 } else
1748 X509_free(x);
1749
1750 }
1751
1752 if (cert)
1753 CertFreeCertificateContext(cert);
1754 if (hstore)
1755 CertCloseStore(hstore, 0);
1756
1757 if (!certs)
1758 return 0;
1759
1760 /* Select the appropriate certificate */
1761
1762 client_cert_idx = ctx->client_cert_select(e, ssl, certs);
1763
1764 /* Set the selected certificate and free the rest */
1765
1766 for (i = 0; i < sk_X509_num(certs); i++) {
1767 x = sk_X509_value(certs, i);
1768 if (i == client_cert_idx)
1769 *pcert = x;
1770 else {
1771 key = X509_get_ex_data(x, cert_capi_idx);
1772 capi_free_key(key);
1773 X509_free(x);
1774 }
1775 }
1776
1777 sk_X509_free(certs);
1778
1779 if (!*pcert)
1780 return 0;
1781
1782 /* Setup key for selected certificate */
1783
1784 key = X509_get_ex_data(*pcert, cert_capi_idx);
1785 *pkey = capi_get_pkey(e, key);
1786 X509_set_ex_data(*pcert, cert_capi_idx, NULL);
1787
1788 return 1;
1789
1790}
e0f7b872
DSH		 1791
1792/* Simple client cert selection function: always select first */
1793
1cd504e7 1794static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
0f113f3e
MC		 1795{
1796 return 0;
1797}
e0f7b872 1798
0f113f3e 1799# ifdef OPENSSL_CAPIENG_DIALOG
e0f7b872 1800
0f113f3e
MC		 1801/*
1802 * More complex cert selection function, using standard function
e0f7b872
DSH		 1803 * CryptUIDlgSelectCertificateFromStore() to produce a dialog box.
1804 */
1805
0f113f3e
MC		 1806/*
1807 * Definitions which are in cryptuiapi.h but this is not present in older
a0f3679b
DSH		 1808 * versions of headers.
1809 */
1810
0f113f3e
MC		 1811# ifndef CRYPTUI_SELECT_LOCATION_COLUMN
1812# define CRYPTUI_SELECT_LOCATION_COLUMN 0x000000010
1813# define CRYPTUI_SELECT_INTENDEDUSE_COLUMN 0x000000004
1814# endif
e0f7b872 1815
0f113f3e
MC		 1816# define dlg_title L"OpenSSL Application SSL Client Certificate Selection"
1817# define dlg_prompt L"Select a certificate to use for authentication"
1818# define dlg_columns CRYPTUI_SELECT_LOCATION_COLUMN \
1819 |CRYPTUI_SELECT_INTENDEDUSE_COLUMN
1381bf90 1820
1cd504e7 1821static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
0f113f3e
MC		 1822{
1823 X509 *x;
1824 HCERTSTORE dstore;
1825 PCCERT_CONTEXT cert;
1826 CAPI_CTX *ctx;
1827 CAPI_KEY *key;
1828 HWND hwnd;
1829 int i, idx = -1;
1830 if (sk_X509_num(certs) == 1)
1831 return 0;
1832 ctx = ENGINE_get_ex_data(e, capi_idx);
1833 /* Create an in memory store of certificates */
1834 dstore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
1835 CERT_STORE_CREATE_NEW_FLAG, NULL);
1836 if (!dstore) {
1837 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_CREATING_STORE);
1838 capi_addlasterror();
1839 goto err;
1840 }
1841 /* Add all certificates to store */
1842 for (i = 0; i < sk_X509_num(certs); i++) {
1843 x = sk_X509_value(certs, i);
1844 key = X509_get_ex_data(x, cert_capi_idx);
1845
1846 if (!CertAddCertificateContextToStore(dstore, key->pcert,
1847 CERT_STORE_ADD_NEW, NULL)) {
1848 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_ADDING_CERT);
1849 capi_addlasterror();
1850 goto err;
1851 }
1852
1853 }
1854 hwnd = GetForegroundWindow();
1855 if (!hwnd)
1856 hwnd = GetActiveWindow();
1857 if (!hwnd && ctx->getconswindow)
1858 hwnd = ctx->getconswindow();
1859 /* Call dialog to select one */
1860 cert = ctx->certselectdlg(dstore, hwnd, dlg_title, dlg_prompt,
1861 dlg_columns, 0, NULL);
1862
1863 /* Find matching cert from list */
1864 if (cert) {
1865 for (i = 0; i < sk_X509_num(certs); i++) {
1866 x = sk_X509_value(certs, i);
1867 key = X509_get_ex_data(x, cert_capi_idx);
1868 if (CertCompareCertificate
1869 (X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, cert->pCertInfo,
1870 key->pcert->pCertInfo)) {
1871 idx = i;
1872 break;
1873 }
1874 }
1875 }
1876
1877 err:
1878 if (dstore)
1879 CertCloseStore(dstore, 0);
1880 return idx;
1881
1882}
1883# endif
1884
1885#else /* !__COMPILE_CAPIENG */
1886# include <openssl/engine.h>
1887# ifndef OPENSSL_NO_DYNAMIC_ENGINE
492279f6 1888OPENSSL_EXPORT
0f113f3e 1889 int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns);
eb164d0b 1890OPENSSL_EXPORT
0f113f3e
MC		 1891 int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns)
1892{
1893 return 0;
1894}
1895
492279f6 1896IMPLEMENT_DYNAMIC_CHECK_FN()
0f113f3e 1897# else
7b9f8f7f
MC		 1898void engine_load_capi_internal(void);
1899void engine_load_capi_internal(void)
0f113f3e
MC		 1900{
1901}
1902# endif
7a18ecb2 1903#endif
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