2 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 2008 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 * ====================================================================
58 #include <openssl/crypto.h>
60 #ifdef OPENSSL_SYS_WIN32
61 # ifndef OPENSSL_NO_CAPIENG
63 # include <openssl/buffer.h>
64 # include <openssl/bn.h>
65 # include <openssl/rsa.h>
66 # include <openssl/dsa.h>
69 # define _WIN32_WINNT 0x0400
73 # include <wincrypt.h>
76 # define alloca _alloca
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
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.
91 # if defined(CERT_KEY_PROV_INFO_PROP_ID) && \
92 defined(CERT_STORE_PROV_SYSTEM_A) && \
93 defined(CERT_STORE_READONLY_FLAG)
94 # define __COMPILE_CAPIENG
95 # endif /* CERT_KEY_PROV_INFO_PROP_ID */
96 # endif /* OPENSSL_NO_CAPIENG */
97 #endif /* OPENSSL_SYS_WIN32 */
99 #ifdef __COMPILE_CAPIENG
101 # undef X509_EXTENSIONS
103 /* Definitions which may be missing from earlier version of headers */
104 # ifndef CERT_STORE_OPEN_EXISTING_FLAG
105 # define CERT_STORE_OPEN_EXISTING_FLAG 0x00004000
108 # ifndef CERT_STORE_CREATE_NEW_FLAG
109 # define CERT_STORE_CREATE_NEW_FLAG 0x00002000
112 # ifndef CERT_SYSTEM_STORE_CURRENT_USER
113 # define CERT_SYSTEM_STORE_CURRENT_USER 0x00010000
116 # ifndef ALG_SID_SHA_256
117 # define ALG_SID_SHA_256 12
119 # ifndef ALG_SID_SHA_384
120 # define ALG_SID_SHA_384 13
122 # ifndef ALG_SID_SHA_512
123 # define ALG_SID_SHA_512 14
126 # ifndef CALG_SHA_256
127 # define CALG_SHA_256 (ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_256)
129 # ifndef CALG_SHA_384
130 # define CALG_SHA_384 (ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_384)
132 # ifndef CALG_SHA_512
133 # define CALG_SHA_512 (ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_512)
136 # include <openssl/engine.h>
137 # include <openssl/pem.h>
138 # include <openssl/x509v3.h>
140 # include "e_capi_err.h"
141 # include "e_capi_err.c"
143 static const char *engine_capi_id = "capi";
144 static const char *engine_capi_name = "CryptoAPI ENGINE";
146 typedef struct CAPI_CTX_st CAPI_CTX;
147 typedef struct CAPI_KEY_st CAPI_KEY;
149 static void capi_addlasterror(void);
150 static void capi_adderror(DWORD err);
152 static void CAPI_trace(CAPI_CTX * ctx, char *format, ...);
154 static int capi_list_providers(CAPI_CTX * ctx, BIO *out);
155 static int capi_list_containers(CAPI_CTX * ctx, BIO *out);
156 int capi_list_certs(CAPI_CTX * ctx, BIO *out, char *storename);
157 void capi_free_key(CAPI_KEY * key);
159 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX * ctx, const char *id,
162 CAPI_KEY *capi_find_key(CAPI_CTX * ctx, const char *id);
164 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
165 UI_METHOD *ui_method, void *callback_data);
166 static int capi_rsa_sign(int dtype, const unsigned char *m,
167 unsigned int m_len, unsigned char *sigret,
168 unsigned int *siglen, const RSA *rsa);
169 static int capi_rsa_priv_enc(int flen, const unsigned char *from,
170 unsigned char *to, RSA *rsa, int padding);
171 static int capi_rsa_priv_dec(int flen, const unsigned char *from,
172 unsigned char *to, RSA *rsa, int padding);
173 static int capi_rsa_free(RSA *rsa);
175 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
177 static int capi_dsa_free(DSA *dsa);
179 static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
180 STACK_OF(X509_NAME) *ca_dn, X509 **pcert,
181 EVP_PKEY **pkey, STACK_OF(X509) **pother,
182 UI_METHOD *ui_method,
183 void *callback_data);
185 static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
186 # ifdef OPENSSL_CAPIENG_DIALOG
187 static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
190 void engine_load_capi_internal(void);
192 typedef PCCERT_CONTEXT(WINAPI *CERTDLG) (HCERTSTORE, HWND, LPCWSTR,
193 LPCWSTR, DWORD, DWORD, void *);
194 typedef HWND(WINAPI *GETCONSWIN) (void);
197 * This structure contains CAPI ENGINE specific data: it contains various
198 * global options and affects how other functions behave.
201 # define CAPI_DBG_TRACE 2
202 # define CAPI_DBG_ERROR 1
207 /* Parameters to use for container lookup */
211 /* Certificate store name to use */
213 LPSTR ssl_client_store;
214 /* System store flags */
216 /* Lookup string meanings in load_private_key */
217 /* Substring of subject: uses "storename" */
218 # define CAPI_LU_SUBSTR 1
219 /* Friendly name: uses storename */
220 # define CAPI_LU_FNAME 2
221 /* Container name: uses cspname, keytype */
222 # define CAPI_LU_CONTNAME 3
224 /* Info to dump with dumpcerts option */
225 /* Issuer and serial name strings */
226 # define CAPI_DMP_SUMMARY 0x1
228 # define CAPI_DMP_FNAME 0x2
229 /* Full X509_print dump */
230 # define CAPI_DMP_FULL 0x4
231 /* Dump PEM format certificate */
232 # define CAPI_DMP_PEM 0x8
233 /* Dump pseudo key (if possible) */
234 # define CAPI_DMP_PSKEY 0x10
235 /* Dump key info (if possible) */
236 # define CAPI_DMP_PKEYINFO 0x20
238 int (*client_cert_select) (ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
239 CERTDLG certselectdlg;
240 GETCONSWIN getconswindow;
243 static CAPI_CTX *capi_ctx_new(void);
244 static void capi_ctx_free(CAPI_CTX * ctx);
245 static int capi_ctx_set_provname(CAPI_CTX * ctx, LPSTR pname, DWORD type,
247 static int capi_ctx_set_provname_idx(CAPI_CTX * ctx, int idx);
249 # define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE
250 # define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1)
251 # define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2)
252 # define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3)
253 # define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4)
254 # define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5)
255 # define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6)
256 # define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7)
257 # define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8)
258 # define CAPI_CMD_LIST_CONTAINERS (ENGINE_CMD_BASE + 9)
259 # define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10)
260 # define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11)
261 # define CAPI_CMD_STORE_NAME (ENGINE_CMD_BASE + 12)
262 # define CAPI_CMD_STORE_FLAGS (ENGINE_CMD_BASE + 13)
264 static const ENGINE_CMD_DEFN capi_cmd_defns[] = {
265 {CAPI_CMD_LIST_CERTS,
267 "List all certificates in store",
268 ENGINE_CMD_FLAG_NO_INPUT},
269 {CAPI_CMD_LOOKUP_CERT,
271 "Lookup and output certificates",
272 ENGINE_CMD_FLAG_STRING},
273 {CAPI_CMD_DEBUG_LEVEL,
275 "debug level (1=errors, 2=trace)",
276 ENGINE_CMD_FLAG_NUMERIC},
277 {CAPI_CMD_DEBUG_FILE,
279 "debugging filename)",
280 ENGINE_CMD_FLAG_STRING},
283 "Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE",
284 ENGINE_CMD_FLAG_NUMERIC},
288 ENGINE_CMD_FLAG_NO_INPUT},
289 {CAPI_CMD_SET_CSP_IDX,
292 ENGINE_CMD_FLAG_NUMERIC},
293 {CAPI_CMD_SET_CSP_NAME,
295 "Set CSP name, (default CSP used if not specified)",
296 ENGINE_CMD_FLAG_STRING},
297 {CAPI_CMD_SET_CSP_TYPE,
299 "Set CSP type, (default RSA_PROV_FULL)",
300 ENGINE_CMD_FLAG_NUMERIC},
301 {CAPI_CMD_LIST_CONTAINERS,
303 "list container names",
304 ENGINE_CMD_FLAG_NO_INPUT},
305 {CAPI_CMD_LIST_OPTIONS,
307 "Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, "
308 "32=private key info)",
309 ENGINE_CMD_FLAG_NUMERIC},
310 {CAPI_CMD_LOOKUP_METHOD,
312 "Set key lookup method (1=substring, 2=friendlyname, 3=container name)",
313 ENGINE_CMD_FLAG_NUMERIC},
314 {CAPI_CMD_STORE_NAME,
316 "certificate store name, default \"MY\"",
317 ENGINE_CMD_FLAG_STRING},
318 {CAPI_CMD_STORE_FLAGS,
320 "Certificate store flags: 1 = system store",
321 ENGINE_CMD_FLAG_NUMERIC},
326 static int capi_idx = -1;
327 static int rsa_capi_idx = -1;
328 static int dsa_capi_idx = -1;
329 static int cert_capi_idx = -1;
331 static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) (void))
336 if (capi_idx == -1) {
337 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED);
340 ctx = ENGINE_get_ex_data(e, capi_idx);
341 out = BIO_new_fp(stdout, BIO_NOCLOSE);
343 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_FILE_OPEN_ERROR);
347 case CAPI_CMD_LIST_CSPS:
348 ret = capi_list_providers(ctx, out);
351 case CAPI_CMD_LIST_CERTS:
352 ret = capi_list_certs(ctx, out, NULL);
355 case CAPI_CMD_LOOKUP_CERT:
356 ret = capi_list_certs(ctx, out, p);
359 case CAPI_CMD_LIST_CONTAINERS:
360 ret = capi_list_containers(ctx, out);
363 case CAPI_CMD_STORE_NAME:
364 OPENSSL_free(ctx->storename);
365 ctx->storename = OPENSSL_strdup(p);
366 CAPI_trace(ctx, "Setting store name to %s\n", p);
369 case CAPI_CMD_STORE_FLAGS:
371 ctx->store_flags |= CERT_SYSTEM_STORE_LOCAL_MACHINE;
372 ctx->store_flags &= ~CERT_SYSTEM_STORE_CURRENT_USER;
374 ctx->store_flags |= CERT_SYSTEM_STORE_CURRENT_USER;
375 ctx->store_flags &= ~CERT_SYSTEM_STORE_LOCAL_MACHINE;
377 CAPI_trace(ctx, "Setting flags to %d\n", i);
380 case CAPI_CMD_DEBUG_LEVEL:
381 ctx->debug_level = (int)i;
382 CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level);
385 case CAPI_CMD_DEBUG_FILE:
386 ctx->debug_file = OPENSSL_strdup(p);
387 CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file);
390 case CAPI_CMD_KEYTYPE:
392 CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype);
395 case CAPI_CMD_SET_CSP_IDX:
396 ret = capi_ctx_set_provname_idx(ctx, i);
399 case CAPI_CMD_LIST_OPTIONS:
403 case CAPI_CMD_LOOKUP_METHOD:
404 if (i < 1 || i > 3) {
405 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD);
409 ctx->lookup_method = i;
412 case CAPI_CMD_SET_CSP_NAME:
413 ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1);
416 case CAPI_CMD_SET_CSP_TYPE:
421 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND);
430 static RSA_METHOD capi_rsa_method = {
431 "CryptoAPI RSA method",
434 capi_rsa_priv_enc, /* priv_enc */
435 capi_rsa_priv_dec, /* priv_dec */
439 capi_rsa_free, /* finish */
442 capi_rsa_sign, /* rsa_sign */
446 static DSA_METHOD capi_dsa_method = {
447 "CryptoAPI DSA method",
448 capi_dsa_do_sign, /* dsa_do_sign */
449 0, /* dsa_sign_setup */
450 0, /* dsa_do_verify */
454 capi_dsa_free, /* finish */
457 0, /* dsa_paramgen */
461 static int capi_init(ENGINE *e)
464 const RSA_METHOD *ossl_rsa_meth;
465 const DSA_METHOD *ossl_dsa_meth;
468 capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0);
472 cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0);
474 /* Setup RSA_METHOD */
475 rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
476 ossl_rsa_meth = RSA_PKCS1_OpenSSL();
477 capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc;
478 capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec;
479 capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp;
480 capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp;
482 /* Setup DSA Method */
483 dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
484 ossl_dsa_meth = DSA_OpenSSL();
485 capi_dsa_method.dsa_do_verify = ossl_dsa_meth->dsa_do_verify;
486 capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp;
487 capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp;
490 ctx = capi_ctx_new();
494 ENGINE_set_ex_data(e, capi_idx, ctx);
496 # ifdef OPENSSL_CAPIENG_DIALOG
498 HMODULE cryptui = LoadLibrary(TEXT("CRYPTUI.DLL"));
499 HMODULE kernel = GetModuleHandle(TEXT("KERNEL32.DLL"));
502 (CERTDLG) GetProcAddress(cryptui,
503 "CryptUIDlgSelectCertificateFromStore");
506 (GETCONSWIN) GetProcAddress(kernel, "GetConsoleWindow");
507 if (cryptui && !OPENSSL_isservice())
508 ctx->client_cert_select = cert_select_dialog;
515 CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE);
521 static int capi_destroy(ENGINE *e)
523 ERR_unload_CAPI_strings();
527 static int capi_finish(ENGINE *e)
530 ctx = ENGINE_get_ex_data(e, capi_idx);
532 ENGINE_set_ex_data(e, capi_idx, NULL);
537 * CryptoAPI key application data. This contains a handle to the private key
538 * container (for sign operations) and a handle to the key (for decrypt
543 /* Associated certificate context (if any) */
544 PCCERT_CONTEXT pcert;
550 static int bind_capi(ENGINE *e)
552 if (!ENGINE_set_id(e, engine_capi_id)
553 || !ENGINE_set_name(e, engine_capi_name)
554 || !ENGINE_set_flags(e, ENGINE_FLAGS_NO_REGISTER_ALL)
555 || !ENGINE_set_init_function(e, capi_init)
556 || !ENGINE_set_finish_function(e, capi_finish)
557 || !ENGINE_set_destroy_function(e, capi_destroy)
558 || !ENGINE_set_RSA(e, &capi_rsa_method)
559 || !ENGINE_set_DSA(e, &capi_dsa_method)
560 || !ENGINE_set_load_privkey_function(e, capi_load_privkey)
561 || !ENGINE_set_load_ssl_client_cert_function(e,
562 capi_load_ssl_client_cert)
563 || !ENGINE_set_cmd_defns(e, capi_cmd_defns)
564 || !ENGINE_set_ctrl_function(e, capi_ctrl))
566 ERR_load_CAPI_strings();
572 # ifndef OPENSSL_NO_DYNAMIC_ENGINE
573 static int bind_helper(ENGINE *e, const char *id)
575 if (id && (strcmp(id, engine_capi_id) != 0))
582 IMPLEMENT_DYNAMIC_CHECK_FN()
583 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
585 static ENGINE *engine_capi(void)
587 ENGINE *ret = ENGINE_new();
590 if (!bind_capi(ret)) {
597 void engine_load_capi_internal(void)
599 /* Copied from eng_[openssl|dyn].c */
600 ENGINE *toadd = engine_capi();
609 static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
613 * Reverse buffer in place: since this is a keyblob structure that will
614 * be freed up after conversion anyway it doesn't matter if we change
617 for (i = 0; i < binlen / 2; i++) {
620 bin[i] = bin[binlen - i - 1];
621 bin[binlen - i - 1] = c;
624 if (!BN_bin2bn(bin, binlen, bn))
629 /* Given a CAPI_KEY get an EVP_PKEY structure */
631 static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY * key)
633 unsigned char *pubkey = NULL;
638 EVP_PKEY *ret = NULL;
639 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len)) {
640 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
645 pubkey = OPENSSL_malloc(len);
650 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len)) {
651 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
656 bh = (BLOBHEADER *) pubkey;
657 if (bh->bType != PUBLICKEYBLOB) {
658 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
661 if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX) {
664 unsigned char *rsa_modulus;
665 rp = (RSAPUBKEY *) (bh + 1);
666 if (rp->magic != 0x31415352) {
668 BIO_snprintf(magstr, 10, "%lx", rp->magic);
669 CAPIerr(CAPI_F_CAPI_GET_PKEY,
670 CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
671 ERR_add_error_data(2, "magic=0x", magstr);
674 rsa_modulus = (unsigned char *)(rp + 1);
675 rkey = RSA_new_method(eng);
682 if (rkey->e == NULL || rkey->n == NULL)
685 if (!BN_set_word(rkey->e, rp->pubexp))
688 rsa_modlen = rp->bitlen / 8;
689 if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen))
692 RSA_set_ex_data(rkey, rsa_capi_idx, key);
694 if ((ret = EVP_PKEY_new()) == NULL)
697 EVP_PKEY_assign_RSA(ret, rkey);
700 } else if (bh->aiKeyAlg == CALG_DSS_SIGN) {
704 dp = (DSSPUBKEY *) (bh + 1);
705 if (dp->magic != 0x31535344) {
707 BIO_snprintf(magstr, 10, "%lx", dp->magic);
708 CAPIerr(CAPI_F_CAPI_GET_PKEY,
709 CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
710 ERR_add_error_data(2, "magic=0x", magstr);
713 dsa_plen = dp->bitlen / 8;
714 btmp = (unsigned char *)(dp + 1);
715 dkey = DSA_new_method(eng);
721 dkey->pub_key = BN_new();
722 if (dkey->p == NULL || dkey->q == NULL || dkey->g == NULL
723 || dkey->pub_key == NULL)
725 if (!lend_tobn(dkey->p, btmp, dsa_plen))
728 if (!lend_tobn(dkey->q, btmp, 20))
731 if (!lend_tobn(dkey->g, btmp, dsa_plen))
734 if (!lend_tobn(dkey->pub_key, btmp, dsa_plen))
738 DSA_set_ex_data(dkey, dsa_capi_idx, key);
740 if ((ret = EVP_PKEY_new()) == NULL)
743 EVP_PKEY_assign_DSA(ret, dkey);
747 BIO_snprintf(algstr, 10, "%ux", bh->aiKeyAlg);
748 CAPIerr(CAPI_F_CAPI_GET_PKEY,
749 CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
750 ERR_add_error_data(2, "aiKeyAlg=0x", algstr);
755 OPENSSL_free(pubkey);
764 CAPIerr(CAPI_F_CAPI_GET_PKEY, ERR_R_MALLOC_FAILURE);
769 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
770 UI_METHOD *ui_method, void *callback_data)
775 ctx = ENGINE_get_ex_data(eng, capi_idx);
778 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
782 key = capi_find_key(ctx, key_id);
787 ret = capi_get_pkey(eng, key);
795 /* CryptoAPI RSA operations */
797 int capi_rsa_priv_enc(int flen, const unsigned char *from,
798 unsigned char *to, RSA *rsa, int padding)
800 CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
804 int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
805 unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
815 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
817 CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
819 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
821 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
824 /* Convert the signature type to a CryptoAPI algorithm ID */
847 alg = CALG_SSL3_SHAMD5;
852 BIO_snprintf(algstr, 10, "%x", dtype);
853 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID);
854 ERR_add_error_data(2, "NID=0x", algstr);
859 /* Create the hash object */
860 if (!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash)) {
861 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
865 /* Set the hash value to the value passed */
867 if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0)) {
868 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
873 /* Finally sign it */
874 slen = RSA_size(rsa);
875 if (!CryptSignHash(hash, capi_key->keyspec, NULL, 0, sigret, &slen)) {
876 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
881 /* Inplace byte reversal of signature */
882 for (i = 0; i < slen / 2; i++) {
885 sigret[i] = sigret[slen - i - 1];
886 sigret[slen - i - 1] = c;
894 CryptDestroyHash(hash);
899 int capi_rsa_priv_dec(int flen, const unsigned char *from,
900 unsigned char *to, RSA *rsa, int padding)
903 unsigned char *tmpbuf;
911 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
913 CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n");
915 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
917 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY);
921 if (padding != RSA_PKCS1_PADDING) {
923 BIO_snprintf(errstr, 10, "%d", padding);
924 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
925 ERR_add_error_data(2, "padding=", errstr);
929 /* Create temp reverse order version of input */
930 if ((tmpbuf = OPENSSL_malloc(flen)) == NULL) {
931 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE);
934 for (i = 0; i < flen; i++)
935 tmpbuf[flen - i - 1] = from[i];
937 /* Finally decrypt it */
939 if (!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &dlen)) {
940 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
942 OPENSSL_free(tmpbuf);
945 memcpy(to, tmpbuf, (flen = (int)dlen));
947 OPENSSL_free(tmpbuf);
952 static int capi_rsa_free(RSA *rsa)
955 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
956 capi_free_key(capi_key);
957 RSA_set_ex_data(rsa, rsa_capi_idx, 0);
961 /* CryptoAPI DSA operations */
963 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
971 unsigned char csigbuf[40];
973 ctx = ENGINE_get_ex_data(dsa->engine, capi_idx);
975 CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n");
977 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
980 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY);
985 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH);
989 /* Create the hash object */
990 if (!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash)) {
991 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
996 /* Set the hash value to the value passed */
997 if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0)) {
998 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
1003 /* Finally sign it */
1004 slen = sizeof(csigbuf);
1005 if (!CryptSignHash(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen)) {
1006 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH);
1007 capi_addlasterror();
1010 ret = DSA_SIG_new();
1015 if (ret->r == NULL || ret->s == NULL)
1017 if (!lend_tobn(ret->r, csigbuf, 20)
1018 || !lend_tobn(ret->s, csigbuf + 20, 20)) {
1028 OPENSSL_cleanse(csigbuf, 40);
1029 CryptDestroyHash(hash);
1033 static int capi_dsa_free(DSA *dsa)
1036 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
1037 capi_free_key(capi_key);
1038 DSA_set_ex_data(dsa, dsa_capi_idx, 0);
1042 static void capi_vtrace(CAPI_CTX * ctx, int level, char *format,
1047 if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
1049 out = BIO_new_file(ctx->debug_file, "a+");
1051 CAPIerr(CAPI_F_CAPI_VTRACE, CAPI_R_FILE_OPEN_ERROR);
1054 BIO_vprintf(out, format, argptr);
1058 static void CAPI_trace(CAPI_CTX * ctx, char *format, ...)
1061 va_start(args, format);
1062 capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
1066 static void capi_addlasterror(void)
1068 capi_adderror(GetLastError());
1071 static void capi_adderror(DWORD err)
1074 BIO_snprintf(errstr, 10, "%lX", err);
1075 ERR_add_error_data(2, "Error code= 0x", errstr);
1078 static char *wide_to_asc(LPCWSTR wstr)
1085 len_0 = (int)wcslen(wstr) + 1; /* WideCharToMultiByte expects int */
1086 sz = WideCharToMultiByte(CP_ACP, 0, wstr, len_0, NULL, 0, NULL, NULL);
1088 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1091 str = OPENSSL_malloc(sz);
1093 CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
1096 if (!WideCharToMultiByte(CP_ACP, 0, wstr, len_0, str, sz, NULL, NULL)) {
1098 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1104 static int capi_get_provname(CAPI_CTX * ctx, LPSTR * pname, DWORD * ptype,
1109 CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
1110 if (!CryptEnumProviders(idx, NULL, 0, ptype, NULL, &len)) {
1111 err = GetLastError();
1112 if (err == ERROR_NO_MORE_ITEMS)
1114 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1118 name = OPENSSL_malloc(len);
1120 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, ERR_R_MALLOC_FAILURE);
1123 if (!CryptEnumProviders(idx, NULL, 0, ptype, name, &len)) {
1124 err = GetLastError();
1126 if (err == ERROR_NO_MORE_ITEMS)
1128 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1132 if (sizeof(TCHAR) != sizeof(char)) {
1133 *pname = wide_to_asc((WCHAR *)name);
1138 *pname = (char *)name;
1139 CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", *pname,
1145 static int capi_list_providers(CAPI_CTX * ctx, BIO *out)
1149 LPSTR provname = NULL;
1150 CAPI_trace(ctx, "capi_list_providers\n");
1151 BIO_printf(out, "Available CSPs:\n");
1152 for (idx = 0;; idx++) {
1153 ret = capi_get_provname(ctx, &provname, &ptype, idx);
1158 BIO_printf(out, "%lu. %s, type %lu\n", idx, provname, ptype);
1159 OPENSSL_free(provname);
1164 static int capi_list_containers(CAPI_CTX * ctx, BIO *out)
1168 DWORD err, idx, flags, buflen = 0, clen;
1170 LPTSTR cspname = NULL;
1172 CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname,
1174 if (ctx->cspname && sizeof(TCHAR) != sizeof(char)) {
1176 MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, NULL, 0))) {
1177 cspname = alloca(clen * sizeof(WCHAR));
1178 MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, (WCHAR *)cspname,
1182 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1183 capi_addlasterror();
1187 cspname = (TCHAR *)ctx->cspname;
1188 if (!CryptAcquireContext
1189 (&hprov, NULL, cspname, ctx->csptype, CRYPT_VERIFYCONTEXT)) {
1190 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS,
1191 CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1192 capi_addlasterror();
1195 if (!CryptGetProvParam
1196 (hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST)) {
1197 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1198 capi_addlasterror();
1199 CryptReleaseContext(hprov, 0);
1202 CAPI_trace(ctx, "Got max container len %d\n", buflen);
1205 cname = OPENSSL_malloc(buflen);
1206 if (cname == NULL) {
1207 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1211 for (idx = 0;; idx++) {
1216 flags = CRYPT_FIRST;
1219 if (!CryptGetProvParam
1220 (hprov, PP_ENUMCONTAINERS, (BYTE *) cname, &clen, flags)) {
1221 err = GetLastError();
1222 if (err == ERROR_NO_MORE_ITEMS)
1224 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1228 CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n",
1229 cname, clen, idx, flags);
1230 if (!cname[0] && (clen == buflen)) {
1231 CAPI_trace(ctx, "Enumerate bug: using workaround\n");
1234 BIO_printf(out, "%lu. %s\n", idx, cname);
1241 OPENSSL_free(cname);
1242 CryptReleaseContext(hprov, 0);
1247 static CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
1250 CRYPT_KEY_PROV_INFO *pinfo;
1252 if (!CertGetCertificateContextProperty
1253 (cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len))
1255 pinfo = OPENSSL_malloc(len);
1256 if (pinfo == NULL) {
1257 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE);
1260 if (!CertGetCertificateContextProperty
1261 (cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len)) {
1262 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO,
1263 CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO);
1264 capi_addlasterror();
1265 OPENSSL_free(pinfo);
1271 static void capi_dump_prov_info(CAPI_CTX * ctx, BIO *out,
1272 CRYPT_KEY_PROV_INFO * pinfo)
1274 char *provname = NULL, *contname = NULL;
1276 BIO_printf(out, " No Private Key\n");
1279 provname = wide_to_asc(pinfo->pwszProvName);
1280 contname = wide_to_asc(pinfo->pwszContainerName);
1281 if (!provname || !contname)
1284 BIO_printf(out, " Private Key Info:\n");
1285 BIO_printf(out, " Provider Name: %s, Provider Type %lu\n", provname,
1287 BIO_printf(out, " Container Name: %s, Key Type %lu\n", contname,
1290 OPENSSL_free(provname);
1291 OPENSSL_free(contname);
1294 static char *capi_cert_get_fname(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
1299 CAPI_trace(ctx, "capi_cert_get_fname\n");
1300 if (!CertGetCertificateContextProperty
1301 (cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen))
1303 wfname = OPENSSL_malloc(dlen);
1306 if (CertGetCertificateContextProperty
1307 (cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen)) {
1308 char *fname = wide_to_asc(wfname);
1309 OPENSSL_free(wfname);
1312 CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME);
1313 capi_addlasterror();
1315 OPENSSL_free(wfname);
1319 static void capi_dump_cert(CAPI_CTX * ctx, BIO *out, PCCERT_CONTEXT cert)
1322 const unsigned char *p;
1323 unsigned long flags = ctx->dump_flags;
1324 if (flags & CAPI_DMP_FNAME) {
1326 fname = capi_cert_get_fname(ctx, cert);
1328 BIO_printf(out, " Friendly Name \"%s\"\n", fname);
1329 OPENSSL_free(fname);
1331 BIO_printf(out, " <No Friendly Name>\n");
1334 p = cert->pbCertEncoded;
1335 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1337 BIO_printf(out, " <Can't parse certificate>\n");
1338 if (flags & CAPI_DMP_SUMMARY) {
1339 BIO_printf(out, " Subject: ");
1340 X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
1341 BIO_printf(out, "\n Issuer: ");
1342 X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
1343 BIO_printf(out, "\n");
1345 if (flags & CAPI_DMP_FULL)
1346 X509_print_ex(out, x, XN_FLAG_ONELINE, 0);
1348 if (flags & CAPI_DMP_PKEYINFO) {
1349 CRYPT_KEY_PROV_INFO *pinfo;
1350 pinfo = capi_get_prov_info(ctx, cert);
1351 capi_dump_prov_info(ctx, out, pinfo);
1352 OPENSSL_free(pinfo);
1355 if (flags & CAPI_DMP_PEM)
1356 PEM_write_bio_X509(out, x);
1360 static HCERTSTORE capi_open_store(CAPI_CTX * ctx, char *storename)
1365 storename = ctx->storename;
1368 CAPI_trace(ctx, "Opening certificate store %s\n", storename);
1370 hstore = CertOpenStore(CERT_STORE_PROV_SYSTEM_A, 0, 0,
1371 ctx->store_flags, storename);
1373 CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE);
1374 capi_addlasterror();
1379 int capi_list_certs(CAPI_CTX * ctx, BIO *out, char *id)
1385 PCCERT_CONTEXT cert = NULL;
1387 storename = ctx->storename;
1390 CAPI_trace(ctx, "Listing certs for store %s\n", storename);
1392 hstore = capi_open_store(ctx, storename);
1396 cert = capi_find_cert(ctx, id, hstore);
1401 capi_dump_cert(ctx, out, cert);
1402 CertFreeCertificateContext(cert);
1404 for (idx = 0;; idx++) {
1405 cert = CertEnumCertificatesInStore(hstore, cert);
1408 BIO_printf(out, "Certificate %d\n", idx);
1409 capi_dump_cert(ctx, out, cert);
1413 CertCloseStore(hstore, 0);
1417 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX * ctx, const char *id,
1420 PCCERT_CONTEXT cert = NULL;
1423 switch (ctx->lookup_method) {
1424 case CAPI_LU_SUBSTR:
1425 return CertFindCertificateInStore(hstore,
1426 X509_ASN_ENCODING, 0,
1427 CERT_FIND_SUBJECT_STR_A, id, NULL);
1430 cert = CertEnumCertificatesInStore(hstore, cert);
1433 fname = capi_cert_get_fname(ctx, cert);
1435 if (strcmp(fname, id))
1439 OPENSSL_free(fname);
1449 static CAPI_KEY *capi_get_key(CAPI_CTX * ctx, const TCHAR *contname,
1450 TCHAR *provname, DWORD ptype, DWORD keyspec)
1453 CAPI_KEY *key = OPENSSL_malloc(sizeof(*key));
1457 if (sizeof(TCHAR) == sizeof(char))
1458 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1459 contname, provname, ptype);
1460 else if (ctx && ctx->debug_level >= CAPI_DBG_TRACE && ctx->debug_file) {
1461 /* above 'if' is optimization to minimize malloc-ations */
1462 char *_contname = wide_to_asc((WCHAR *)contname);
1463 char *_provname = wide_to_asc((WCHAR *)provname);
1465 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1466 _contname, _provname, ptype);
1467 OPENSSL_free(_provname);
1468 OPENSSL_free(_contname);
1470 if (ctx->store_flags & CERT_SYSTEM_STORE_LOCAL_MACHINE)
1471 dwFlags = CRYPT_MACHINE_KEYSET;
1472 if (!CryptAcquireContext(&key->hprov, contname, provname, ptype, dwFlags)) {
1473 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1474 capi_addlasterror();
1477 if (!CryptGetUserKey(key->hprov, keyspec, &key->key)) {
1478 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR);
1479 capi_addlasterror();
1480 CryptReleaseContext(key->hprov, 0);
1483 key->keyspec = keyspec;
1492 static CAPI_KEY *capi_get_cert_key(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
1494 CAPI_KEY *key = NULL;
1495 CRYPT_KEY_PROV_INFO *pinfo = NULL;
1496 char *provname = NULL, *contname = NULL;
1497 pinfo = capi_get_prov_info(ctx, cert);
1500 if (sizeof(TCHAR) != sizeof(char))
1501 key = capi_get_key(ctx, (TCHAR *)pinfo->pwszContainerName,
1502 (TCHAR *)pinfo->pwszProvName,
1503 pinfo->dwProvType, pinfo->dwKeySpec);
1505 provname = wide_to_asc(pinfo->pwszProvName);
1506 contname = wide_to_asc(pinfo->pwszContainerName);
1507 if (!provname || !contname)
1509 key = capi_get_key(ctx, (TCHAR *)contname, (TCHAR *)provname,
1510 pinfo->dwProvType, pinfo->dwKeySpec);
1514 OPENSSL_free(pinfo);
1515 OPENSSL_free(provname);
1516 OPENSSL_free(contname);
1520 CAPI_KEY *capi_find_key(CAPI_CTX * ctx, const char *id)
1522 PCCERT_CONTEXT cert;
1524 CAPI_KEY *key = NULL;
1525 switch (ctx->lookup_method) {
1526 case CAPI_LU_SUBSTR:
1528 hstore = capi_open_store(ctx, NULL);
1531 cert = capi_find_cert(ctx, id, hstore);
1533 key = capi_get_cert_key(ctx, cert);
1534 CertFreeCertificateContext(cert);
1536 CertCloseStore(hstore, 0);
1539 case CAPI_LU_CONTNAME:
1540 if (sizeof(TCHAR) != sizeof(char)) {
1541 WCHAR *contname, *provname;
1544 if ((len = MultiByteToWideChar(CP_ACP, 0, id, -1, NULL, 0)) &&
1545 (contname = alloca(len * sizeof(WCHAR)),
1546 MultiByteToWideChar(CP_ACP, 0, id, -1, contname, len)) &&
1548 MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, NULL, 0))
1550 alloca(len * sizeof(WCHAR)), MultiByteToWideChar(CP_ACP,
1557 capi_get_key(ctx, (TCHAR *)contname, (TCHAR *)provname,
1558 ctx->csptype, ctx->keytype);
1560 key = capi_get_key(ctx, (TCHAR *)id,
1561 (TCHAR *)ctx->cspname,
1562 ctx->csptype, ctx->keytype);
1569 void capi_free_key(CAPI_KEY * key)
1573 CryptDestroyKey(key->key);
1574 CryptReleaseContext(key->hprov, 0);
1576 CertFreeCertificateContext(key->pcert);
1580 /* Initialize a CAPI_CTX structure */
1582 static CAPI_CTX *capi_ctx_new(void)
1584 CAPI_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
1587 CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE);
1590 ctx->csptype = PROV_RSA_FULL;
1591 ctx->dump_flags = CAPI_DMP_SUMMARY | CAPI_DMP_FNAME;
1592 ctx->keytype = AT_KEYEXCHANGE;
1593 ctx->store_flags = CERT_STORE_OPEN_EXISTING_FLAG |
1594 CERT_STORE_READONLY_FLAG | CERT_SYSTEM_STORE_CURRENT_USER;
1595 ctx->lookup_method = CAPI_LU_SUBSTR;
1596 ctx->client_cert_select = cert_select_simple;
1600 static void capi_ctx_free(CAPI_CTX * ctx)
1602 CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx);
1605 OPENSSL_free(ctx->cspname);
1606 OPENSSL_free(ctx->debug_file);
1607 OPENSSL_free(ctx->storename);
1608 OPENSSL_free(ctx->ssl_client_store);
1612 static int capi_ctx_set_provname(CAPI_CTX * ctx, LPSTR pname, DWORD type,
1615 CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type);
1620 if (sizeof(TCHAR) != sizeof(char)) {
1622 if ((len = MultiByteToWideChar(CP_ACP, 0, pname, -1, NULL, 0))) {
1623 name = alloca(len * sizeof(WCHAR));
1624 MultiByteToWideChar(CP_ACP, 0, pname, -1, (WCHAR *)name, len);
1627 name = (TCHAR *)pname;
1629 if (!name || !CryptAcquireContext(&hprov, NULL, name, type,
1630 CRYPT_VERIFYCONTEXT)) {
1631 CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME,
1632 CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1633 capi_addlasterror();
1636 CryptReleaseContext(hprov, 0);
1638 OPENSSL_free(ctx->cspname);
1639 ctx->cspname = OPENSSL_strdup(pname);
1640 ctx->csptype = type;
1644 static int capi_ctx_set_provname_idx(CAPI_CTX * ctx, int idx)
1649 if (capi_get_provname(ctx, &pname, &type, idx) != 1)
1651 res = capi_ctx_set_provname(ctx, pname, type, 0);
1652 OPENSSL_free(pname);
1656 static int cert_issuer_match(STACK_OF(X509_NAME) *ca_dn, X509 *x)
1660 /* Special case: empty list: match anything */
1661 if (sk_X509_NAME_num(ca_dn) <= 0)
1663 for (i = 0; i < sk_X509_NAME_num(ca_dn); i++) {
1664 nm = sk_X509_NAME_value(ca_dn, i);
1665 if (!X509_NAME_cmp(nm, X509_get_issuer_name(x)))
1671 static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
1672 STACK_OF(X509_NAME) *ca_dn, X509 **pcert,
1673 EVP_PKEY **pkey, STACK_OF(X509) **pother,
1674 UI_METHOD *ui_method,
1675 void *callback_data)
1677 STACK_OF(X509) *certs = NULL;
1680 const unsigned char *p;
1681 int i, client_cert_idx;
1683 PCCERT_CONTEXT cert = NULL, excert = NULL;
1686 ctx = ENGINE_get_ex_data(e, capi_idx);
1691 storename = ctx->ssl_client_store;
1695 hstore = capi_open_store(ctx, storename);
1698 /* Enumerate all certificates collect any matches */
1700 cert = CertEnumCertificatesInStore(hstore, cert);
1703 p = cert->pbCertEncoded;
1704 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1706 CAPI_trace(ctx, "Can't Parse Certificate %d\n", i);
1709 if (cert_issuer_match(ca_dn, x)
1710 && X509_check_purpose(x, X509_PURPOSE_SSL_CLIENT, 0)) {
1711 key = capi_get_cert_key(ctx, cert);
1717 * Match found: attach extra data to it so we can retrieve the
1720 excert = CertDuplicateCertificateContext(cert);
1721 key->pcert = excert;
1722 X509_set_ex_data(x, cert_capi_idx, key);
1725 certs = sk_X509_new_null();
1727 sk_X509_push(certs, x);
1734 CertFreeCertificateContext(cert);
1736 CertCloseStore(hstore, 0);
1741 /* Select the appropriate certificate */
1743 client_cert_idx = ctx->client_cert_select(e, ssl, certs);
1745 /* Set the selected certificate and free the rest */
1747 for (i = 0; i < sk_X509_num(certs); i++) {
1748 x = sk_X509_value(certs, i);
1749 if (i == client_cert_idx)
1752 key = X509_get_ex_data(x, cert_capi_idx);
1758 sk_X509_free(certs);
1763 /* Setup key for selected certificate */
1765 key = X509_get_ex_data(*pcert, cert_capi_idx);
1766 *pkey = capi_get_pkey(e, key);
1767 X509_set_ex_data(*pcert, cert_capi_idx, NULL);
1773 /* Simple client cert selection function: always select first */
1775 static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1780 # ifdef OPENSSL_CAPIENG_DIALOG
1783 * More complex cert selection function, using standard function
1784 * CryptUIDlgSelectCertificateFromStore() to produce a dialog box.
1788 * Definitions which are in cryptuiapi.h but this is not present in older
1789 * versions of headers.
1792 # ifndef CRYPTUI_SELECT_LOCATION_COLUMN
1793 # define CRYPTUI_SELECT_LOCATION_COLUMN 0x000000010
1794 # define CRYPTUI_SELECT_INTENDEDUSE_COLUMN 0x000000004
1797 # define dlg_title L"OpenSSL Application SSL Client Certificate Selection"
1798 # define dlg_prompt L"Select a certificate to use for authentication"
1799 # define dlg_columns CRYPTUI_SELECT_LOCATION_COLUMN \
1800 |CRYPTUI_SELECT_INTENDEDUSE_COLUMN
1802 static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1806 PCCERT_CONTEXT cert;
1811 if (sk_X509_num(certs) == 1)
1813 ctx = ENGINE_get_ex_data(e, capi_idx);
1814 /* Create an in memory store of certificates */
1815 dstore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
1816 CERT_STORE_CREATE_NEW_FLAG, NULL);
1818 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_CREATING_STORE);
1819 capi_addlasterror();
1822 /* Add all certificates to store */
1823 for (i = 0; i < sk_X509_num(certs); i++) {
1824 x = sk_X509_value(certs, i);
1825 key = X509_get_ex_data(x, cert_capi_idx);
1827 if (!CertAddCertificateContextToStore(dstore, key->pcert,
1828 CERT_STORE_ADD_NEW, NULL)) {
1829 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_ADDING_CERT);
1830 capi_addlasterror();
1835 hwnd = GetForegroundWindow();
1837 hwnd = GetActiveWindow();
1838 if (!hwnd && ctx->getconswindow)
1839 hwnd = ctx->getconswindow();
1840 /* Call dialog to select one */
1841 cert = ctx->certselectdlg(dstore, hwnd, dlg_title, dlg_prompt,
1842 dlg_columns, 0, NULL);
1844 /* Find matching cert from list */
1846 for (i = 0; i < sk_X509_num(certs); i++) {
1847 x = sk_X509_value(certs, i);
1848 key = X509_get_ex_data(x, cert_capi_idx);
1849 if (CertCompareCertificate
1850 (X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, cert->pCertInfo,
1851 key->pcert->pCertInfo)) {
1860 CertCloseStore(dstore, 0);
1866 #else /* !__COMPILE_CAPIENG */
1867 # include <openssl/engine.h>
1868 # ifndef OPENSSL_NO_DYNAMIC_ENGINE
1870 int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns);
1872 int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns)
1877 IMPLEMENT_DYNAMIC_CHECK_FN()
1879 void engine_load_capi_internal(void);
1880 void engine_load_capi_internal(void)