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Cleanup libcrypto.num and make update
[thirdparty/openssl.git] / engines / e_capi.c
CommitLineData
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
b3599dbb 194void engine_load_capi_int(void);
7b9f8f7f 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
e9c2b100 434static RSA_METHOD *capi_rsa_method = NULL;
6e9fa57c 435static DSA_METHOD *capi_dsa_method = NULL;
7a18ecb2 436
7b548d3f
DSH		 437static int use_aes_csp = 0;
438
0f113f3e
MC		 439static int capi_init(ENGINE *e)
440{
441 CAPI_CTX *ctx;
442 const RSA_METHOD *ossl_rsa_meth;
443 const DSA_METHOD *ossl_dsa_meth;
7b548d3f 444 HCRYPTPROV hprov;
0f113f3e
MC		 445
446 if (capi_idx < 0) {
447 capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0);
448 if (capi_idx < 0)
449 goto memerr;
450
451 cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0);
452
453 /* Setup RSA_METHOD */
454 rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
b0700d2c 455 ossl_rsa_meth = RSA_PKCS1_OpenSSL();
e9c2b100
RL		 456 if ( !RSA_meth_set_pub_enc(capi_rsa_method,
457 RSA_meth_get_pub_enc(ossl_rsa_meth))
458 || !RSA_meth_set_pub_dec(capi_rsa_method,
459 RSA_meth_get_pub_dec(ossl_rsa_meth))
460 || !RSA_meth_set_priv_enc(capi_rsa_method, capi_rsa_priv_enc)
461 || !RSA_meth_set_priv_dec(capi_rsa_method, capi_rsa_priv_dec)
462 || !RSA_meth_set_mod_exp(capi_rsa_method,
463 RSA_meth_get_mod_exp(ossl_rsa_meth))
464 || !RSA_meth_set_bn_mod_exp(capi_rsa_method,
465 RSA_meth_get_bn_mod_exp(ossl_rsa_meth))
466 || !RSA_meth_set_finish(capi_rsa_method, capi_rsa_free)
467 || !RSA_meth_set_sign(capi_rsa_method, capi_rsa_sign)) {
468 goto memerr;
469 }
0f113f3e
MC		 470
471 /* Setup DSA Method */
472 dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
473 ossl_dsa_meth = DSA_OpenSSL();
a517f7fc
MC		 474 if ( !DSA_meth_set_sign(capi_dsa_method, capi_dsa_do_sign)
475 || !DSA_meth_set_verify(capi_dsa_method,
aa05e7ca 476 DSA_meth_get_verify(ossl_dsa_meth))
a517f7fc
MC		 477 || !DSA_meth_set_finish(capi_dsa_method, capi_dsa_free)
478 || !DSA_meth_set_mod_exp(capi_dsa_method,
aa05e7ca 479 DSA_meth_get_mod_exp(ossl_dsa_meth))
a517f7fc 480 || !DSA_meth_set_bn_mod_exp(capi_dsa_method,
aa05e7ca 481 DSA_meth_get_bn_mod_exp(ossl_dsa_meth))) {
a517f7fc
MC		 482 goto memerr;
483 }
0f113f3e
MC		 484 }
485
486 ctx = capi_ctx_new();
55646005 487 if (ctx == NULL)
0f113f3e
MC		 488 goto memerr;
489
490 ENGINE_set_ex_data(e, capi_idx, ctx);
491
492# ifdef OPENSSL_CAPIENG_DIALOG
493 {
494 HMODULE cryptui = LoadLibrary(TEXT("CRYPTUI.DLL"));
495 HMODULE kernel = GetModuleHandle(TEXT("KERNEL32.DLL"));
496 if (cryptui)
497 ctx->certselectdlg =
498 (CERTDLG) GetProcAddress(cryptui,
499 "CryptUIDlgSelectCertificateFromStore");
500 if (kernel)
501 ctx->getconswindow =
502 (GETCONSWIN) GetProcAddress(kernel, "GetConsoleWindow");
503 if (cryptui && !OPENSSL_isservice())
504 ctx->client_cert_select = cert_select_dialog;
505 }
506# endif
507
7b548d3f
DSH		 508 /* See if we support AES CSP */
509
510 if (CryptAcquireContext(&hprov, NULL, NULL, PROV_RSA_AES,
511 CRYPT_VERIFYCONTEXT)) {
512 use_aes_csp = 1;
513 CryptReleaseContext(hprov, 0);
514 }
515
0f113f3e
MC		 516 return 1;
517
518 memerr:
519 CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE);
520 return 0;
521
522 return 1;
523}
7a18ecb2
DSH		 524
525static int capi_destroy(ENGINE *e)
0f113f3e 526{
e9c2b100
RL		 527 RSA_meth_free(capi_rsa_method);
528 capi_rsa_method = NULL;
6e9fa57c
MC		 529 DSA_meth_free(capi_dsa_method);
530 capi_dsa_method = NULL;
0f113f3e
MC		 531 ERR_unload_CAPI_strings();
532 return 1;
533}
7a18ecb2
DSH		 534
535static int capi_finish(ENGINE *e)
0f113f3e
MC		 536{
537 CAPI_CTX *ctx;
538 ctx = ENGINE_get_ex_data(e, capi_idx);
539 capi_ctx_free(ctx);
540 ENGINE_set_ex_data(e, capi_idx, NULL);
541 return 1;
542}
543
544/*
545 * CryptoAPI key application data. This contains a handle to the private key
546 * container (for sign operations) and a handle to the key (for decrypt
547 * operations).
7a18ecb2
DSH		 548 */
549
0f113f3e
MC		 550struct CAPI_KEY_st {
551 /* Associated certificate context (if any) */
552 PCCERT_CONTEXT pcert;
553 HCRYPTPROV hprov;
554 HCRYPTKEY key;
555 DWORD keyspec;
556};
7a18ecb2
DSH		 557
558static int bind_capi(ENGINE *e)
0f113f3e 559{
e9c2b100
RL		 560 capi_rsa_method = RSA_meth_new("CryptoAPI RSA method", 0);
561 if (capi_rsa_method == NULL)
562 return 0;
6e9fa57c
MC		 563 capi_dsa_method = DSA_meth_new("CryptoAPI DSA method", 0);
564 if (capi_dsa_method == NULL)
e9c2b100 565 goto memerr;
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)
e9c2b100 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))
e9c2b100 579 goto memerr;
0f113f3e
MC		 580 ERR_load_CAPI_strings();
581
582 return 1;
e9c2b100
RL		 583 memerr:
584 RSA_meth_free(capi_rsa_method);
585 capi_rsa_method = NULL;
586 DSA_meth_free(capi_dsa_method);
587 capi_dsa_method = NULL;
588 return 0;
0f113f3e
MC		 589}
590
591# ifndef OPENSSL_NO_DYNAMIC_ENGINE
7a18ecb2 592static int bind_helper(ENGINE *e, const char *id)
0f113f3e
MC		 593{
594 if (id && (strcmp(id, engine_capi_id) != 0))
595 return 0;
596 if (!bind_capi(e))
597 return 0;
598 return 1;
599}
600
7a18ecb2 601IMPLEMENT_DYNAMIC_CHECK_FN()
0f113f3e
MC		 602 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
603# else
7a18ecb2 604static ENGINE *engine_capi(void)
0f113f3e
MC		 605{
606 ENGINE *ret = ENGINE_new();
55646005 607 if (ret == NULL)
0f113f3e
MC		 608 return NULL;
609 if (!bind_capi(ret)) {
610 ENGINE_free(ret);
611 return NULL;
612 }
613 return ret;
614}
7a18ecb2 615
342c21cd 616void int_engine_load_capi(void)
0f113f3e
MC		 617{
618 /* Copied from eng_[openssl|dyn].c */
619 ENGINE *toadd = engine_capi();
620 if (!toadd)
621 return;
622 ENGINE_add(toadd);
623 ENGINE_free(toadd);
624 ERR_clear_error();
625}
626# endif
7a18ecb2
DSH		 627
628static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
0f113f3e
MC		 629{
630 int i;
631 /*
632 * Reverse buffer in place: since this is a keyblob structure that will
633 * be freed up after conversion anyway it doesn't matter if we change
634 * it.
635 */
636 for (i = 0; i < binlen / 2; i++) {
637 unsigned char c;
638 c = bin[i];
639 bin[i] = bin[binlen - i - 1];
640 bin[binlen - i - 1] = c;
641 }
642
643 if (!BN_bin2bn(bin, binlen, bn))
644 return 0;
645 return 1;
646}
7a18ecb2 647
b3c8dd4e
DSH		 648/* Given a CAPI_KEY get an EVP_PKEY structure */
649
0f113f3e
MC		 650static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY * key)
651{
652 unsigned char *pubkey = NULL;
653 DWORD len;
654 BLOBHEADER *bh;
655 RSA *rkey = NULL;
656 DSA *dkey = NULL;
657 EVP_PKEY *ret = NULL;
658 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len)) {
659 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
660 capi_addlasterror();
661 return NULL;
662 }
663
664 pubkey = OPENSSL_malloc(len);
665
55646005 666 if (pubkey == NULL)
0f113f3e
MC		 667 goto memerr;
668
669 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len)) {
670 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
671 capi_addlasterror();
672 goto err;
673 }
674
675 bh = (BLOBHEADER *) pubkey;
676 if (bh->bType != PUBLICKEYBLOB) {
677 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
678 goto err;
679 }
680 if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX) {
681 RSAPUBKEY *rp;
682 DWORD rsa_modlen;
e9c2b100 683 BIGNUM *e = NULL, *n = NULL;
0f113f3e
MC		 684 unsigned char *rsa_modulus;
685 rp = (RSAPUBKEY *) (bh + 1);
686 if (rp->magic != 0x31415352) {
687 char magstr[10];
688 BIO_snprintf(magstr, 10, "%lx", rp->magic);
689 CAPIerr(CAPI_F_CAPI_GET_PKEY,
690 CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
691 ERR_add_error_data(2, "magic=0x", magstr);
692 goto err;
693 }
694 rsa_modulus = (unsigned char *)(rp + 1);
695 rkey = RSA_new_method(eng);
696 if (!rkey)
697 goto memerr;
698
e9c2b100
RL		 699 e = BN_new();
700 n = BN_new();
0f113f3e 701
e9c2b100
RL		 702 if (e == NULL || n == NULL) {
703 BN_free(e);
704 BN_free(n);
0f113f3e 705 goto memerr;
e9c2b100 706 }
0f113f3e 707
e9c2b100
RL		 708 RSA_set0_key(rkey, n, e, NULL);
709
710 if (!BN_set_word(e, rp->pubexp))
0f113f3e
MC		 711 goto memerr;
712
713 rsa_modlen = rp->bitlen / 8;
e9c2b100 714 if (!lend_tobn(n, rsa_modulus, rsa_modlen))
0f113f3e
MC		 715 goto memerr;
716
717 RSA_set_ex_data(rkey, rsa_capi_idx, key);
718
75ebbd9a 719 if ((ret = EVP_PKEY_new()) == NULL)
0f113f3e
MC		 720 goto memerr;
721
722 EVP_PKEY_assign_RSA(ret, rkey);
723 rkey = NULL;
724
725 } else if (bh->aiKeyAlg == CALG_DSS_SIGN) {
726 DSSPUBKEY *dp;
727 DWORD dsa_plen;
728 unsigned char *btmp;
6e9fa57c 729 BIGNUM *p, *q, *g, *pub_key;
0f113f3e
MC		 730 dp = (DSSPUBKEY *) (bh + 1);
731 if (dp->magic != 0x31535344) {
732 char magstr[10];
733 BIO_snprintf(magstr, 10, "%lx", dp->magic);
734 CAPIerr(CAPI_F_CAPI_GET_PKEY,
735 CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
736 ERR_add_error_data(2, "magic=0x", magstr);
737 goto err;
738 }
739 dsa_plen = dp->bitlen / 8;
740 btmp = (unsigned char *)(dp + 1);
741 dkey = DSA_new_method(eng);
742 if (!dkey)
743 goto memerr;
6e9fa57c
MC		 744 p = BN_new();
745 q = BN_new();
746 g = BN_new();
747 pub_key = BN_new();
e9c2b100
RL		 748 if (p == NULL || q == NULL || g == NULL || pub_key == NULL) {
749 BN_free(p);
750 BN_free(q);
751 BN_free(g);
752 BN_free(pub_key);
0f113f3e 753 goto memerr;
e9c2b100 754 }
6e9fa57c
MC		 755 DSA_set0_pqg(dkey, p, q, g);
756 DSA_set0_key(dkey, pub_key, NULL);
757 if (!lend_tobn(p, btmp, dsa_plen))
0f113f3e
MC		 758 goto memerr;
759 btmp += dsa_plen;
6e9fa57c 760 if (!lend_tobn(q, btmp, 20))
0f113f3e
MC		 761 goto memerr;
762 btmp += 20;
6e9fa57c 763 if (!lend_tobn(g, btmp, dsa_plen))
0f113f3e
MC		 764 goto memerr;
765 btmp += dsa_plen;
6e9fa57c 766 if (!lend_tobn(pub_key, btmp, dsa_plen))
0f113f3e
MC		 767 goto memerr;
768 btmp += dsa_plen;
769
770 DSA_set_ex_data(dkey, dsa_capi_idx, key);
771
75ebbd9a 772 if ((ret = EVP_PKEY_new()) == NULL)
0f113f3e
MC		 773 goto memerr;
774
775 EVP_PKEY_assign_DSA(ret, dkey);
776 dkey = NULL;
777 } else {
778 char algstr[10];
57ebe748 779 BIO_snprintf(algstr, 10, "%ux", bh->aiKeyAlg);
0f113f3e
MC		 780 CAPIerr(CAPI_F_CAPI_GET_PKEY,
781 CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
782 ERR_add_error_data(2, "aiKeyAlg=0x", algstr);
783 goto err;
784 }
785
786 err:
b548a1f1 787 OPENSSL_free(pubkey);
0f113f3e 788 if (!ret) {
d6407083
RS		 789 RSA_free(rkey);
790 DSA_free(dkey);
0f113f3e
MC		 791 }
792
793 return ret;
794
795 memerr:
796 CAPIerr(CAPI_F_CAPI_GET_PKEY, ERR_R_MALLOC_FAILURE);
797 goto err;
798
799}
7a18ecb2 800
b3c8dd4e 801static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
0f113f3e
MC		 802 UI_METHOD *ui_method, void *callback_data)
803{
804 CAPI_CTX *ctx;
805 CAPI_KEY *key;
806 EVP_PKEY *ret;
807 ctx = ENGINE_get_ex_data(eng, capi_idx);
b3c8dd4e 808
0f113f3e
MC		 809 if (!ctx) {
810 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
811 return NULL;
812 }
b3c8dd4e 813
0f113f3e 814 key = capi_find_key(ctx, key_id);
b3c8dd4e 815
0f113f3e
MC		 816 if (!key)
817 return NULL;
b3c8dd4e 818
0f113f3e 819 ret = capi_get_pkey(eng, key);
b3c8dd4e 820
0f113f3e
MC		 821 if (!ret)
822 capi_free_key(key);
823 return ret;
b3c8dd4e 824
0f113f3e 825}
b3c8dd4e 826
7a18ecb2
DSH		 827/* CryptoAPI RSA operations */
828
829int capi_rsa_priv_enc(int flen, const unsigned char *from,
0f113f3e
MC		 830 unsigned char *to, RSA *rsa, int padding)
831{
832 CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
833 return -1;
834}
7a18ecb2
DSH		 835
836int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
0f113f3e
MC		 837 unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
838{
839 ALG_ID alg;
840 HCRYPTHASH hash;
841 DWORD slen;
842 unsigned int i;
843 int ret = -1;
844 CAPI_KEY *capi_key;
845 CAPI_CTX *ctx;
846
e9c2b100 847 ctx = ENGINE_get_ex_data(RSA_get0_engine(rsa), capi_idx);
0f113f3e
MC		 848
849 CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
850
851 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
852 if (!capi_key) {
853 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
854 return -1;
855 }
7a18ecb2 856/* Convert the signature type to a CryptoAPI algorithm ID */
0f113f3e
MC		 857 switch (dtype) {
858 case NID_sha256:
859 alg = CALG_SHA_256;
860 break;
861
862 case NID_sha384:
863 alg = CALG_SHA_384;
864 break;
865
866 case NID_sha512:
867 alg = CALG_SHA_512;
868 break;
869
870 case NID_sha1:
871 alg = CALG_SHA1;
872 break;
873
874 case NID_md5:
875 alg = CALG_MD5;
876 break;
877
878 case NID_md5_sha1:
879 alg = CALG_SSL3_SHAMD5;
880 break;
881 default:
882 {
883 char algstr[10];
57ebe748 884 BIO_snprintf(algstr, 10, "%x", dtype);
0f113f3e
MC		 885 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID);
886 ERR_add_error_data(2, "NID=0x", algstr);
887 return -1;
888 }
889 }
7a18ecb2
DSH		 890
891/* Create the hash object */
0f113f3e
MC		 892 if (!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash)) {
893 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
894 capi_addlasterror();
895 return -1;
896 }
7a18ecb2
DSH		 897/* Set the hash value to the value passed */
898
0f113f3e
MC		 899 if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0)) {
900 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
901 capi_addlasterror();
902 goto err;
903 }
7a18ecb2
DSH		 904
905/* Finally sign it */
0f113f3e
MC		 906 slen = RSA_size(rsa);
907 if (!CryptSignHash(hash, capi_key->keyspec, NULL, 0, sigret, &slen)) {
908 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
909 capi_addlasterror();
910 goto err;
911 } else {
912 ret = 1;
913 /* Inplace byte reversal of signature */
914 for (i = 0; i < slen / 2; i++) {
915 unsigned char c;
916 c = sigret[i];
917 sigret[i] = sigret[slen - i - 1];
918 sigret[slen - i - 1] = c;
919 }
920 *siglen = slen;
921 }
922
923 /* Now cleanup */
924
925 err:
926 CryptDestroyHash(hash);
927
928 return ret;
929}
7a18ecb2
DSH		 930
931int capi_rsa_priv_dec(int flen, const unsigned char *from,
0f113f3e
MC		 932 unsigned char *to, RSA *rsa, int padding)
933{
934 int i;
935 unsigned char *tmpbuf;
936 CAPI_KEY *capi_key;
937 CAPI_CTX *ctx;
57ebe748
AP		 938 DWORD dlen;
939
940 if (flen <= 0)
941 return flen;
942
e9c2b100 943 ctx = ENGINE_get_ex_data(RSA_get0_engine(rsa), capi_idx);
0f113f3e
MC		 944
945 CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n");
946
947 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
948 if (!capi_key) {
949 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY);
950 return -1;
951 }
952
953 if (padding != RSA_PKCS1_PADDING) {
954 char errstr[10];
955 BIO_snprintf(errstr, 10, "%d", padding);
956 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
957 ERR_add_error_data(2, "padding=", errstr);
958 return -1;
959 }
960
961 /* Create temp reverse order version of input */
75ebbd9a 962 if ((tmpbuf = OPENSSL_malloc(flen)) == NULL) {
0f113f3e
MC		 963 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE);
964 return -1;
965 }
966 for (i = 0; i < flen; i++)
967 tmpbuf[flen - i - 1] = from[i];
968
969 /* Finally decrypt it */
57ebe748
AP		 970 dlen = flen;
971 if (!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &dlen)) {
0f113f3e
MC		 972 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
973 capi_addlasterror();
974 OPENSSL_free(tmpbuf);
975 return -1;
976 } else
57ebe748 977 memcpy(to, tmpbuf, (flen = (int)dlen));
0f113f3e
MC		 978
979 OPENSSL_free(tmpbuf);
980
981 return flen;
982}
7a18ecb2
DSH		 983
984static int capi_rsa_free(RSA *rsa)
0f113f3e
MC		 985{
986 CAPI_KEY *capi_key;
987 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
988 capi_free_key(capi_key);
989 RSA_set_ex_data(rsa, rsa_capi_idx, 0);
990 return 1;
991}
7a18ecb2
DSH		 992
993/* CryptoAPI DSA operations */
994
995static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
0f113f3e
MC		 996 DSA *dsa)
997{
998 HCRYPTHASH hash;
999 DWORD slen;
1000 DSA_SIG *ret = NULL;
1001 CAPI_KEY *capi_key;
1002 CAPI_CTX *ctx;
1003 unsigned char csigbuf[40];
1004
6e9fa57c 1005 ctx = ENGINE_get_ex_data(DSA_get0_engine(dsa), capi_idx);
0f113f3e
MC		 1006
1007 CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n");
1008
1009 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
1010
1011 if (!capi_key) {
1012 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY);
1013 return NULL;
1014 }
1015
1016 if (dlen != 20) {
1017 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH);
1018 return NULL;
1019 }
1020
1021 /* Create the hash object */
1022 if (!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash)) {
1023 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
1024 capi_addlasterror();
1025 return NULL;
1026 }
1027
1028 /* Set the hash value to the value passed */
1029 if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0)) {
1030 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
1031 capi_addlasterror();
1032 goto err;
1033 }
1034
1035 /* Finally sign it */
1036 slen = sizeof(csigbuf);
1037 if (!CryptSignHash(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen)) {
1038 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH);
1039 capi_addlasterror();
1040 goto err;
1041 } else {
a8a35540 1042 BIGNUM *r = NULL, *s = NULL;
0f113f3e 1043 ret = DSA_SIG_new();
55646005 1044 if (ret == NULL)
0f113f3e 1045 goto err;
a8a35540
RL		 1046 DSA_SIG_get0(&r, &s, ret);
1047 if (!lend_tobn(r, csigbuf, 20)
1048 || !lend_tobn(s, csigbuf + 20, 20)) {
0f113f3e
MC		 1049 DSA_SIG_free(ret);
1050 ret = NULL;
1051 goto err;
1052 }
1053 }
1054
1055 /* Now cleanup */
1056
1057 err:
1058 OPENSSL_cleanse(csigbuf, 40);
1059 CryptDestroyHash(hash);
1060 return ret;
1061}
7a18ecb2
DSH		 1062
1063static int capi_dsa_free(DSA *dsa)
0f113f3e
MC		 1064{
1065 CAPI_KEY *capi_key;
1066 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
1067 capi_free_key(capi_key);
1068 DSA_set_ex_data(dsa, dsa_capi_idx, 0);
1069 return 1;
1070}
1071
1072static void capi_vtrace(CAPI_CTX * ctx, int level, char *format,
1073 va_list argptr)
1074{
1075 BIO *out;
1076
1077 if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
1078 return;
1079 out = BIO_new_file(ctx->debug_file, "a+");
1080 if (out == NULL) {
1081 CAPIerr(CAPI_F_CAPI_VTRACE, CAPI_R_FILE_OPEN_ERROR);
1082 return;
1083 }
1084 BIO_vprintf(out, format, argptr);
1085 BIO_free(out);
1086}
1087
1088static void CAPI_trace(CAPI_CTX * ctx, char *format, ...)
1089{
1090 va_list args;
1091 va_start(args, format);
1092 capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
1093 va_end(args);
1094}
7a18ecb2
DSH		 1095
1096static void capi_addlasterror(void)
0f113f3e
MC		 1097{
1098 capi_adderror(GetLastError());
1099}
7a18ecb2
DSH		 1100
1101static void capi_adderror(DWORD err)
0f113f3e
MC		 1102{
1103 char errstr[10];
1104 BIO_snprintf(errstr, 10, "%lX", err);
1105 ERR_add_error_data(2, "Error code= 0x", errstr);
1106}
7a18ecb2 1107
cc4c2306 1108static char *wide_to_asc(LPCWSTR wstr)
0f113f3e
MC		 1109{
1110 char *str;
1111 int len_0, sz;
1112
1113 if (!wstr)
1114 return NULL;
1115 len_0 = (int)wcslen(wstr) + 1; /* WideCharToMultiByte expects int */
1116 sz = WideCharToMultiByte(CP_ACP, 0, wstr, len_0, NULL, 0, NULL, NULL);
1117 if (!sz) {
1118 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1119 return NULL;
1120 }
1121 str = OPENSSL_malloc(sz);
55646005 1122 if (str == NULL) {
0f113f3e
MC		 1123 CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
1124 return NULL;
1125 }
1126 if (!WideCharToMultiByte(CP_ACP, 0, wstr, len_0, str, sz, NULL, NULL)) {
1127 OPENSSL_free(str);
1128 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1129 return NULL;
1130 }
1131 return str;
1132}
1133
1134static int capi_get_provname(CAPI_CTX * ctx, LPSTR * pname, DWORD * ptype,
1135 DWORD idx)
1136{
1137 DWORD len, err;
1138 LPTSTR name;
1139 CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
1140 if (!CryptEnumProviders(idx, NULL, 0, ptype, NULL, &len)) {
1141 err = GetLastError();
1142 if (err == ERROR_NO_MORE_ITEMS)
1143 return 2;
1144 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1145 capi_adderror(err);
1146 return 0;
1147 }
1148 name = OPENSSL_malloc(len);
1149 if (name == NULL) {
1150 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, ERR_R_MALLOC_FAILURE);
1151 return 0;
1152 }
1153 if (!CryptEnumProviders(idx, NULL, 0, ptype, name, &len)) {
1154 err = GetLastError();
1155 OPENSSL_free(name);
1156 if (err == ERROR_NO_MORE_ITEMS)
1157 return 2;
1158 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1159 capi_adderror(err);
1160 return 0;
1161 }
1162 if (sizeof(TCHAR) != sizeof(char)) {
1163 *pname = wide_to_asc((WCHAR *)name);
1164 OPENSSL_free(name);
1165 if (*pname == NULL)
1166 return 0;
1167 } else
1168 *pname = (char *)name;
1169 CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", *pname,
1170 *ptype);
1171
1172 return 1;
1173}
1174
1175static int capi_list_providers(CAPI_CTX * ctx, BIO *out)
1176{
1177 DWORD idx, ptype;
1178 int ret;
1179 LPSTR provname = NULL;
1180 CAPI_trace(ctx, "capi_list_providers\n");
1181 BIO_printf(out, "Available CSPs:\n");
1182 for (idx = 0;; idx++) {
1183 ret = capi_get_provname(ctx, &provname, &ptype, idx);
1184 if (ret == 2)
1185 break;
1186 if (ret == 0)
1187 break;
57ebe748 1188 BIO_printf(out, "%lu. %s, type %lu\n", idx, provname, ptype);
0f113f3e
MC		 1189 OPENSSL_free(provname);
1190 }
1191 return 1;
1192}
1193
1194static int capi_list_containers(CAPI_CTX * ctx, BIO *out)
1195{
1196 int ret = 1;
1197 HCRYPTPROV hprov;
1198 DWORD err, idx, flags, buflen = 0, clen;
1199 LPSTR cname;
1200 LPTSTR cspname = NULL;
1201
1202 CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname,
1203 ctx->csptype);
1204 if (ctx->cspname && sizeof(TCHAR) != sizeof(char)) {
1205 if ((clen =
1206 MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, NULL, 0))) {
1207 cspname = alloca(clen * sizeof(WCHAR));
1208 MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, (WCHAR *)cspname,
1209 clen);
1210 }
1211 if (!cspname) {
1212 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1213 capi_addlasterror();
1214 return 0;
1215 }
1216 } else
1217 cspname = (TCHAR *)ctx->cspname;
1218 if (!CryptAcquireContext
1219 (&hprov, NULL, cspname, ctx->csptype, CRYPT_VERIFYCONTEXT)) {
1220 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS,
1221 CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1222 capi_addlasterror();
1223 return 0;
1224 }
1225 if (!CryptGetProvParam
1226 (hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST)) {
1227 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1228 capi_addlasterror();
1229 CryptReleaseContext(hprov, 0);
1230 return 0;
1231 }
1232 CAPI_trace(ctx, "Got max container len %d\n", buflen);
1233 if (buflen == 0)
1234 buflen = 1024;
1235 cname = OPENSSL_malloc(buflen);
55646005 1236 if (cname == NULL) {
0f113f3e
MC		 1237 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1238 goto err;
1239 }
1240
1241 for (idx = 0;; idx++) {
1242 clen = buflen;
1243 cname[0] = 0;
1244
1245 if (idx == 0)
1246 flags = CRYPT_FIRST;
1247 else
1248 flags = 0;
1249 if (!CryptGetProvParam
1250 (hprov, PP_ENUMCONTAINERS, (BYTE *) cname, &clen, flags)) {
1251 err = GetLastError();
1252 if (err == ERROR_NO_MORE_ITEMS)
1253 goto done;
1254 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1255 capi_adderror(err);
1256 goto err;
1257 }
1258 CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n",
1259 cname, clen, idx, flags);
1260 if (!cname[0] && (clen == buflen)) {
1261 CAPI_trace(ctx, "Enumerate bug: using workaround\n");
1262 goto done;
1263 }
57ebe748 1264 BIO_printf(out, "%lu. %s\n", idx, cname);
0f113f3e
MC		 1265 }
1266 err:
1267
1268 ret = 0;
1269
1270 done:
b548a1f1 1271 OPENSSL_free(cname);
0f113f3e
MC		 1272 CryptReleaseContext(hprov, 0);
1273
1274 return ret;
1275}
1276
57ebe748 1277static CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
0f113f3e
MC		 1278{
1279 DWORD len;
1280 CRYPT_KEY_PROV_INFO *pinfo;
1281
1282 if (!CertGetCertificateContextProperty
1283 (cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len))
1284 return NULL;
1285 pinfo = OPENSSL_malloc(len);
55646005 1286 if (pinfo == NULL) {
0f113f3e
MC		 1287 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE);
1288 return NULL;
1289 }
1290 if (!CertGetCertificateContextProperty
1291 (cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len)) {
1292 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO,
1293 CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO);
1294 capi_addlasterror();
1295 OPENSSL_free(pinfo);
1296 return NULL;
1297 }
1298 return pinfo;
1299}
1300
1301static void capi_dump_prov_info(CAPI_CTX * ctx, BIO *out,
1302 CRYPT_KEY_PROV_INFO * pinfo)
1303{
1304 char *provname = NULL, *contname = NULL;
1305 if (!pinfo) {
1306 BIO_printf(out, " No Private Key\n");
1307 return;
1308 }
1309 provname = wide_to_asc(pinfo->pwszProvName);
1310 contname = wide_to_asc(pinfo->pwszContainerName);
1311 if (!provname || !contname)
1312 goto err;
1313
1314 BIO_printf(out, " Private Key Info:\n");
57ebe748 1315 BIO_printf(out, " Provider Name: %s, Provider Type %lu\n", provname,
0f113f3e 1316 pinfo->dwProvType);
57ebe748 1317 BIO_printf(out, " Container Name: %s, Key Type %lu\n", contname,
0f113f3e
MC		 1318 pinfo->dwKeySpec);
1319 err:
b548a1f1
RS		 1320 OPENSSL_free(provname);
1321 OPENSSL_free(contname);
0f113f3e
MC		 1322}
1323
57ebe748 1324static char *capi_cert_get_fname(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
0f113f3e
MC		 1325{
1326 LPWSTR wfname;
1327 DWORD dlen;
1328
1329 CAPI_trace(ctx, "capi_cert_get_fname\n");
1330 if (!CertGetCertificateContextProperty
1331 (cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen))
1332 return NULL;
1333 wfname = OPENSSL_malloc(dlen);
1334 if (wfname == NULL)
1335 return NULL;
1336 if (CertGetCertificateContextProperty
1337 (cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen)) {
1338 char *fname = wide_to_asc(wfname);
1339 OPENSSL_free(wfname);
1340 return fname;
1341 }
1342 CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME);
1343 capi_addlasterror();
1344
1345 OPENSSL_free(wfname);
1346 return NULL;
1347}
1348
57ebe748 1349static void capi_dump_cert(CAPI_CTX * ctx, BIO *out, PCCERT_CONTEXT cert)
0f113f3e
MC		 1350{
1351 X509 *x;
57ebe748 1352 const unsigned char *p;
0f113f3e
MC		 1353 unsigned long flags = ctx->dump_flags;
1354 if (flags & CAPI_DMP_FNAME) {
1355 char *fname;
1356 fname = capi_cert_get_fname(ctx, cert);
1357 if (fname) {
1358 BIO_printf(out, " Friendly Name \"%s\"\n", fname);
1359 OPENSSL_free(fname);
1360 } else
1361 BIO_printf(out, " <No Friendly Name>\n");
1362 }
1363
1364 p = cert->pbCertEncoded;
1365 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1366 if (!x)
1367 BIO_printf(out, " <Can't parse certificate>\n");
1368 if (flags & CAPI_DMP_SUMMARY) {
1369 BIO_printf(out, " Subject: ");
1370 X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
1371 BIO_printf(out, "\n Issuer: ");
1372 X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
1373 BIO_printf(out, "\n");
1374 }
1375 if (flags & CAPI_DMP_FULL)
1376 X509_print_ex(out, x, XN_FLAG_ONELINE, 0);
1377
1378 if (flags & CAPI_DMP_PKEYINFO) {
1379 CRYPT_KEY_PROV_INFO *pinfo;
1380 pinfo = capi_get_prov_info(ctx, cert);
1381 capi_dump_prov_info(ctx, out, pinfo);
b548a1f1 1382 OPENSSL_free(pinfo);
0f113f3e
MC		 1383 }
1384
1385 if (flags & CAPI_DMP_PEM)
1386 PEM_write_bio_X509(out, x);
1387 X509_free(x);
1388}
1389
57ebe748 1390static HCERTSTORE capi_open_store(CAPI_CTX * ctx, char *storename)
0f113f3e
MC		 1391{
1392 HCERTSTORE hstore;
1393
1394 if (!storename)
1395 storename = ctx->storename;
1396 if (!storename)
1397 storename = "MY";
1398 CAPI_trace(ctx, "Opening certificate store %s\n", storename);
1399
1400 hstore = CertOpenStore(CERT_STORE_PROV_SYSTEM_A, 0, 0,
1401 ctx->store_flags, storename);
1402 if (!hstore) {
1403 CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE);
1404 capi_addlasterror();
1405 }
1406 return hstore;
1407}
1408
1409int capi_list_certs(CAPI_CTX * ctx, BIO *out, char *id)
1410{
1411 char *storename;
1412 int idx;
1413 int ret = 1;
1414 HCERTSTORE hstore;
1415 PCCERT_CONTEXT cert = NULL;
1416
1417 storename = ctx->storename;
1418 if (!storename)
1419 storename = "MY";
1420 CAPI_trace(ctx, "Listing certs for store %s\n", storename);
1421
1422 hstore = capi_open_store(ctx, storename);
1423 if (!hstore)
1424 return 0;
1425 if (id) {
1426 cert = capi_find_cert(ctx, id, hstore);
1427 if (!cert) {
1428 ret = 0;
1429 goto err;
1430 }
1431 capi_dump_cert(ctx, out, cert);
1432 CertFreeCertificateContext(cert);
1433 } else {
1434 for (idx = 0;; idx++) {
1435 cert = CertEnumCertificatesInStore(hstore, cert);
1436 if (!cert)
1437 break;
1438 BIO_printf(out, "Certificate %d\n", idx);
1439 capi_dump_cert(ctx, out, cert);
1440 }
1441 }
1442 err:
1443 CertCloseStore(hstore, 0);
1444 return ret;
1445}
1446
1447static PCCERT_CONTEXT capi_find_cert(CAPI_CTX * ctx, const char *id,
1448 HCERTSTORE hstore)
1449{
1450 PCCERT_CONTEXT cert = NULL;
1451 char *fname = NULL;
1452 int match;
1453 switch (ctx->lookup_method) {
1454 case CAPI_LU_SUBSTR:
1455 return CertFindCertificateInStore(hstore,
1456 X509_ASN_ENCODING, 0,
1457 CERT_FIND_SUBJECT_STR_A, id, NULL);
1458 case CAPI_LU_FNAME:
1459 for (;;) {
1460 cert = CertEnumCertificatesInStore(hstore, cert);
1461 if (!cert)
1462 return NULL;
1463 fname = capi_cert_get_fname(ctx, cert);
1464 if (fname) {
1465 if (strcmp(fname, id))
1466 match = 0;
1467 else
1468 match = 1;
1469 OPENSSL_free(fname);
1470 if (match)
1471 return cert;
1472 }
1473 }
1474 default:
1475 return NULL;
1476 }
1477}
1478
1479static CAPI_KEY *capi_get_key(CAPI_CTX * ctx, const TCHAR *contname,
1480 TCHAR *provname, DWORD ptype, DWORD keyspec)
1481{
0f113f3e 1482 DWORD dwFlags = 0;
b4faea50
RS		 1483 CAPI_KEY *key = OPENSSL_malloc(sizeof(*key));
1484
0f113f3e
MC		 1485 if (key == NULL)
1486 return NULL;
7b548d3f
DSH		 1487 /* If PROV_RSA_AES supported use it instead */
1488 if (ptype == PROV_RSA_FULL && use_aes_csp) {
1489 provname = NULL;
1490 ptype = PROV_RSA_AES;
1491 CAPI_trace(ctx, "capi_get_key, contname=%s, RSA_AES_CSP\n", contname);
1492 } else if (sizeof(TCHAR) == sizeof(char)) {
0f113f3e
MC		 1493 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1494 contname, provname, ptype);
7b548d3f 1495 } else if (ctx && ctx->debug_level >= CAPI_DBG_TRACE && ctx->debug_file) {
0f113f3e
MC		 1496 /* above 'if' is optimization to minimize malloc-ations */
1497 char *_contname = wide_to_asc((WCHAR *)contname);
1498 char *_provname = wide_to_asc((WCHAR *)provname);
1499
1500 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1501 _contname, _provname, ptype);
b548a1f1
RS		 1502 OPENSSL_free(_provname);
1503 OPENSSL_free(_contname);
0f113f3e
MC		 1504 }
1505 if (ctx->store_flags & CERT_SYSTEM_STORE_LOCAL_MACHINE)
1506 dwFlags = CRYPT_MACHINE_KEYSET;
1507 if (!CryptAcquireContext(&key->hprov, contname, provname, ptype, dwFlags)) {
1508 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1509 capi_addlasterror();
1510 goto err;
1511 }
1512 if (!CryptGetUserKey(key->hprov, keyspec, &key->key)) {
1513 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR);
1514 capi_addlasterror();
1515 CryptReleaseContext(key->hprov, 0);
1516 goto err;
1517 }
1518 key->keyspec = keyspec;
1519 key->pcert = NULL;
1520 return key;
1521
1522 err:
1523 OPENSSL_free(key);
1524 return NULL;
1525}
1526
1527static CAPI_KEY *capi_get_cert_key(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
1528{
1529 CAPI_KEY *key = NULL;
1530 CRYPT_KEY_PROV_INFO *pinfo = NULL;
1531 char *provname = NULL, *contname = NULL;
1532 pinfo = capi_get_prov_info(ctx, cert);
1533 if (!pinfo)
1534 goto err;
1535 if (sizeof(TCHAR) != sizeof(char))
1536 key = capi_get_key(ctx, (TCHAR *)pinfo->pwszContainerName,
1537 (TCHAR *)pinfo->pwszProvName,
1538 pinfo->dwProvType, pinfo->dwKeySpec);
1539 else {
1540 provname = wide_to_asc(pinfo->pwszProvName);
1541 contname = wide_to_asc(pinfo->pwszContainerName);
1542 if (!provname || !contname)
1543 goto err;
1544 key = capi_get_key(ctx, (TCHAR *)contname, (TCHAR *)provname,
1545 pinfo->dwProvType, pinfo->dwKeySpec);
1546 }
1547
1548 err:
b548a1f1
RS		 1549 OPENSSL_free(pinfo);
1550 OPENSSL_free(provname);
1551 OPENSSL_free(contname);
0f113f3e
MC		 1552 return key;
1553}
1554
1555CAPI_KEY *capi_find_key(CAPI_CTX * ctx, const char *id)
1556{
1557 PCCERT_CONTEXT cert;
1558 HCERTSTORE hstore;
1559 CAPI_KEY *key = NULL;
1560 switch (ctx->lookup_method) {
1561 case CAPI_LU_SUBSTR:
1562 case CAPI_LU_FNAME:
1563 hstore = capi_open_store(ctx, NULL);
1564 if (!hstore)
1565 return NULL;
1566 cert = capi_find_cert(ctx, id, hstore);
1567 if (cert) {
1568 key = capi_get_cert_key(ctx, cert);
1569 CertFreeCertificateContext(cert);
1570 }
1571 CertCloseStore(hstore, 0);
1572 break;
1573
1574 case CAPI_LU_CONTNAME:
1575 if (sizeof(TCHAR) != sizeof(char)) {
1576 WCHAR *contname, *provname;
1577 DWORD len;
1578
1579 if ((len = MultiByteToWideChar(CP_ACP, 0, id, -1, NULL, 0)) &&
1580 (contname = alloca(len * sizeof(WCHAR)),
1581 MultiByteToWideChar(CP_ACP, 0, id, -1, contname, len)) &&
1582 (len =
1583 MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, NULL, 0))
1584 && (provname =
1585 alloca(len * sizeof(WCHAR)), MultiByteToWideChar(CP_ACP,
1586 0,
1587 ctx->cspname,
1588 -1,
1589 provname,
1590 len)))
1591 key =
1592 capi_get_key(ctx, (TCHAR *)contname, (TCHAR *)provname,
1593 ctx->csptype, ctx->keytype);
1594 } else
1595 key = capi_get_key(ctx, (TCHAR *)id,
1596 (TCHAR *)ctx->cspname,
1597 ctx->csptype, ctx->keytype);
1598 break;
1599 }
1600
1601 return key;
1602}
1603
1604void capi_free_key(CAPI_KEY * key)
1605{
1606 if (!key)
1607 return;
1608 CryptDestroyKey(key->key);
1609 CryptReleaseContext(key->hprov, 0);
1610 if (key->pcert)
1611 CertFreeCertificateContext(key->pcert);
1612 OPENSSL_free(key);
1613}
7a18ecb2
DSH		 1614
1615/* Initialize a CAPI_CTX structure */
1616
57ebe748 1617static CAPI_CTX *capi_ctx_new(void)
0f113f3e 1618{
64b25758 1619 CAPI_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
b4faea50 1620
55646005 1621 if (ctx == NULL) {
0f113f3e
MC		 1622 CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE);
1623 return NULL;
1624 }
0f113f3e
MC		 1625 ctx->csptype = PROV_RSA_FULL;
1626 ctx->dump_flags = CAPI_DMP_SUMMARY | CAPI_DMP_FNAME;
1627 ctx->keytype = AT_KEYEXCHANGE;
0f113f3e
MC		 1628 ctx->store_flags = CERT_STORE_OPEN_EXISTING_FLAG |
1629 CERT_STORE_READONLY_FLAG | CERT_SYSTEM_STORE_CURRENT_USER;
1630 ctx->lookup_method = CAPI_LU_SUBSTR;
0f113f3e
MC		 1631 ctx->client_cert_select = cert_select_simple;
1632 return ctx;
1633}
1634
1635static void capi_ctx_free(CAPI_CTX * ctx)
1636{
1637 CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx);
1638 if (!ctx)
1639 return;
b548a1f1
RS		 1640 OPENSSL_free(ctx->cspname);
1641 OPENSSL_free(ctx->debug_file);
1642 OPENSSL_free(ctx->storename);
1643 OPENSSL_free(ctx->ssl_client_store);
0f113f3e
MC		 1644 OPENSSL_free(ctx);
1645}
1646
1647static int capi_ctx_set_provname(CAPI_CTX * ctx, LPSTR pname, DWORD type,
1648 int check)
1649{
1650 CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type);
1651 if (check) {
1652 HCRYPTPROV hprov;
1653 LPTSTR name = NULL;
1654
1655 if (sizeof(TCHAR) != sizeof(char)) {
1656 DWORD len;
1657 if ((len = MultiByteToWideChar(CP_ACP, 0, pname, -1, NULL, 0))) {
1658 name = alloca(len * sizeof(WCHAR));
1659 MultiByteToWideChar(CP_ACP, 0, pname, -1, (WCHAR *)name, len);
1660 }
1661 } else
1662 name = (TCHAR *)pname;
1663
1664 if (!name || !CryptAcquireContext(&hprov, NULL, name, type,
1665 CRYPT_VERIFYCONTEXT)) {
1666 CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME,
1667 CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1668 capi_addlasterror();
1669 return 0;
1670 }
1671 CryptReleaseContext(hprov, 0);
1672 }
b548a1f1 1673 OPENSSL_free(ctx->cspname);
7644a9ae 1674 ctx->cspname = OPENSSL_strdup(pname);
0f113f3e
MC		 1675 ctx->csptype = type;
1676 return 1;
1677}
1678
1679static int capi_ctx_set_provname_idx(CAPI_CTX * ctx, int idx)
1680{
1681 LPSTR pname;
1682 DWORD type;
1683 int res;
1684 if (capi_get_provname(ctx, &pname, &type, idx) != 1)
1685 return 0;
1686 res = capi_ctx_set_provname(ctx, pname, type, 0);
1687 OPENSSL_free(pname);
1688 return res;
1689}
7a18ecb2 1690
b3c8dd4e 1691static int cert_issuer_match(STACK_OF(X509_NAME) *ca_dn, X509 *x)
0f113f3e
MC		 1692{
1693 int i;
1694 X509_NAME *nm;
1695 /* Special case: empty list: match anything */
1696 if (sk_X509_NAME_num(ca_dn) <= 0)
1697 return 1;
1698 for (i = 0; i < sk_X509_NAME_num(ca_dn); i++) {
1699 nm = sk_X509_NAME_value(ca_dn, i);
1700 if (!X509_NAME_cmp(nm, X509_get_issuer_name(x)))
1701 return 1;
1702 }
1703 return 0;
1704}
7d537d4f 1705
b3c8dd4e 1706static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
0f113f3e
MC		 1707 STACK_OF(X509_NAME) *ca_dn, X509 **pcert,
1708 EVP_PKEY **pkey, STACK_OF(X509) **pother,
1709 UI_METHOD *ui_method,
1710 void *callback_data)
1711{
1712 STACK_OF(X509) *certs = NULL;
1713 X509 *x;
1714 char *storename;
57ebe748 1715 const unsigned char *p;
0f113f3e
MC		 1716 int i, client_cert_idx;
1717 HCERTSTORE hstore;
1718 PCCERT_CONTEXT cert = NULL, excert = NULL;
1719 CAPI_CTX *ctx;
1720 CAPI_KEY *key;
1721 ctx = ENGINE_get_ex_data(e, capi_idx);
1722
1723 *pcert = NULL;
1724 *pkey = NULL;
1725
1726 storename = ctx->ssl_client_store;
1727 if (!storename)
1728 storename = "MY";
1729
1730 hstore = capi_open_store(ctx, storename);
1731 if (!hstore)
1732 return 0;
1733 /* Enumerate all certificates collect any matches */
1734 for (i = 0;; i++) {
1735 cert = CertEnumCertificatesInStore(hstore, cert);
1736 if (!cert)
1737 break;
1738 p = cert->pbCertEncoded;
1739 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1740 if (!x) {
1741 CAPI_trace(ctx, "Can't Parse Certificate %d\n", i);
1742 continue;
1743 }
1744 if (cert_issuer_match(ca_dn, x)
1745 && X509_check_purpose(x, X509_PURPOSE_SSL_CLIENT, 0)) {
1746 key = capi_get_cert_key(ctx, cert);
1747 if (!key) {
1748 X509_free(x);
1749 continue;
1750 }
1751 /*
1752 * Match found: attach extra data to it so we can retrieve the
1753 * key later.
1754 */
1755 excert = CertDuplicateCertificateContext(cert);
1756 key->pcert = excert;
1757 X509_set_ex_data(x, cert_capi_idx, key);
1758
1759 if (!certs)
1760 certs = sk_X509_new_null();
1761
1762 sk_X509_push(certs, x);
1763 } else
1764 X509_free(x);
1765
1766 }
1767
1768 if (cert)
1769 CertFreeCertificateContext(cert);
1770 if (hstore)
1771 CertCloseStore(hstore, 0);
1772
1773 if (!certs)
1774 return 0;
1775
1776 /* Select the appropriate certificate */
1777
1778 client_cert_idx = ctx->client_cert_select(e, ssl, certs);
1779
1780 /* Set the selected certificate and free the rest */
1781
1782 for (i = 0; i < sk_X509_num(certs); i++) {
1783 x = sk_X509_value(certs, i);
1784 if (i == client_cert_idx)
1785 *pcert = x;
1786 else {
1787 key = X509_get_ex_data(x, cert_capi_idx);
1788 capi_free_key(key);
1789 X509_free(x);
1790 }
1791 }
1792
1793 sk_X509_free(certs);
1794
1795 if (!*pcert)
1796 return 0;
1797
1798 /* Setup key for selected certificate */
1799
1800 key = X509_get_ex_data(*pcert, cert_capi_idx);
1801 *pkey = capi_get_pkey(e, key);
1802 X509_set_ex_data(*pcert, cert_capi_idx, NULL);
1803
1804 return 1;
1805
1806}
e0f7b872
DSH		 1807
1808/* Simple client cert selection function: always select first */
1809
1cd504e7 1810static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
0f113f3e
MC		 1811{
1812 return 0;
1813}
e0f7b872 1814
0f113f3e 1815# ifdef OPENSSL_CAPIENG_DIALOG
e0f7b872 1816
0f113f3e
MC		 1817/*
1818 * More complex cert selection function, using standard function
e0f7b872
DSH		 1819 * CryptUIDlgSelectCertificateFromStore() to produce a dialog box.
1820 */
1821
0f113f3e
MC		 1822/*
1823 * Definitions which are in cryptuiapi.h but this is not present in older
a0f3679b
DSH		 1824 * versions of headers.
1825 */
1826
0f113f3e
MC		 1827# ifndef CRYPTUI_SELECT_LOCATION_COLUMN
1828# define CRYPTUI_SELECT_LOCATION_COLUMN 0x000000010
1829# define CRYPTUI_SELECT_INTENDEDUSE_COLUMN 0x000000004
1830# endif
e0f7b872 1831
0f113f3e
MC		 1832# define dlg_title L"OpenSSL Application SSL Client Certificate Selection"
1833# define dlg_prompt L"Select a certificate to use for authentication"
1834# define dlg_columns CRYPTUI_SELECT_LOCATION_COLUMN \
1835 |CRYPTUI_SELECT_INTENDEDUSE_COLUMN
1381bf90 1836
1cd504e7 1837static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
0f113f3e
MC		 1838{
1839 X509 *x;
1840 HCERTSTORE dstore;
1841 PCCERT_CONTEXT cert;
1842 CAPI_CTX *ctx;
1843 CAPI_KEY *key;
1844 HWND hwnd;
1845 int i, idx = -1;
1846 if (sk_X509_num(certs) == 1)
1847 return 0;
1848 ctx = ENGINE_get_ex_data(e, capi_idx);
1849 /* Create an in memory store of certificates */
1850 dstore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
1851 CERT_STORE_CREATE_NEW_FLAG, NULL);
1852 if (!dstore) {
1853 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_CREATING_STORE);
1854 capi_addlasterror();
1855 goto err;
1856 }
1857 /* Add all certificates to store */
1858 for (i = 0; i < sk_X509_num(certs); i++) {
1859 x = sk_X509_value(certs, i);
1860 key = X509_get_ex_data(x, cert_capi_idx);
1861
1862 if (!CertAddCertificateContextToStore(dstore, key->pcert,
1863 CERT_STORE_ADD_NEW, NULL)) {
1864 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_ADDING_CERT);
1865 capi_addlasterror();
1866 goto err;
1867 }
1868
1869 }
1870 hwnd = GetForegroundWindow();
1871 if (!hwnd)
1872 hwnd = GetActiveWindow();
1873 if (!hwnd && ctx->getconswindow)
1874 hwnd = ctx->getconswindow();
1875 /* Call dialog to select one */
1876 cert = ctx->certselectdlg(dstore, hwnd, dlg_title, dlg_prompt,
1877 dlg_columns, 0, NULL);
1878
1879 /* Find matching cert from list */
1880 if (cert) {
1881 for (i = 0; i < sk_X509_num(certs); i++) {
1882 x = sk_X509_value(certs, i);
1883 key = X509_get_ex_data(x, cert_capi_idx);
1884 if (CertCompareCertificate
1885 (X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, cert->pCertInfo,
1886 key->pcert->pCertInfo)) {
1887 idx = i;
1888 break;
1889 }
1890 }
1891 }
1892
1893 err:
1894 if (dstore)
1895 CertCloseStore(dstore, 0);
1896 return idx;
1897
1898}
1899# endif
1900
1901#else /* !__COMPILE_CAPIENG */
1902# include <openssl/engine.h>
1903# ifndef OPENSSL_NO_DYNAMIC_ENGINE
492279f6 1904OPENSSL_EXPORT
0f113f3e 1905 int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns);
eb164d0b 1906OPENSSL_EXPORT
0f113f3e
MC		 1907 int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns)
1908{
1909 return 0;
1910}
1911
492279f6 1912IMPLEMENT_DYNAMIC_CHECK_FN()
0f113f3e 1913# else
b3599dbb
MC		 1914void engine_load_capi_int(void);
1915void engine_load_capi_int(void)
0f113f3e
MC		 1916{
1917}
1918# endif
7a18ecb2 1919#endif
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