3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
6 /* ====================================================================
7 * Copyright (c) 2008 The OpenSSL Project. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
28 * prior written permission. For written permission, please contact
29 * licensing@OpenSSL.org.
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
59 #include <openssl/crypto.h>
61 #ifdef OPENSSL_SYS_WIN32
62 # ifndef OPENSSL_NO_CAPIENG
64 # include <openssl/buffer.h>
65 # include <openssl/bn.h>
66 # include <openssl/rsa.h>
67 # include <openssl/dsa.h>
70 # define _WIN32_WINNT 0x0400
74 # include <wincrypt.h>
77 # define alloca _alloca
81 * This module uses several "new" interfaces, among which is
82 * CertGetCertificateContextProperty. CERT_KEY_PROV_INFO_PROP_ID is
83 * one of possible values you can pass to function in question. By
84 * checking if it's defined we can see if wincrypt.h and accompanying
85 * crypt32.lib are in shape. The native MingW32 headers up to and
86 * including __W32API_VERSION 3.14 lack of struct DSSPUBKEY and the
87 * defines CERT_STORE_PROV_SYSTEM_A and CERT_STORE_READONLY_FLAG,
88 * so we check for these too and avoid compiling.
89 * Yes, it's rather "weak" test and if compilation fails,
90 * then re-configure with -DOPENSSL_NO_CAPIENG.
92 # if defined(CERT_KEY_PROV_INFO_PROP_ID) && \
93 defined(CERT_STORE_PROV_SYSTEM_A) && \
94 defined(CERT_STORE_READONLY_FLAG)
95 # define __COMPILE_CAPIENG
96 # endif /* CERT_KEY_PROV_INFO_PROP_ID */
97 # endif /* OPENSSL_NO_CAPIENG */
98 #endif /* OPENSSL_SYS_WIN32 */
100 #ifdef __COMPILE_CAPIENG
102 # undef X509_EXTENSIONS
103 # undef X509_CERT_PAIR
105 /* Definitions which may be missing from earlier version of headers */
106 # ifndef CERT_STORE_OPEN_EXISTING_FLAG
107 # define CERT_STORE_OPEN_EXISTING_FLAG 0x00004000
110 # ifndef CERT_STORE_CREATE_NEW_FLAG
111 # define CERT_STORE_CREATE_NEW_FLAG 0x00002000
114 # ifndef CERT_SYSTEM_STORE_CURRENT_USER
115 # define CERT_SYSTEM_STORE_CURRENT_USER 0x00010000
118 # ifndef ALG_SID_SHA_256
119 # define ALG_SID_SHA_256 12
121 # ifndef ALG_SID_SHA_384
122 # define ALG_SID_SHA_384 13
124 # ifndef ALG_SID_SHA_512
125 # define ALG_SID_SHA_512 14
128 # ifndef CALG_SHA_256
129 # define CALG_SHA_256 (ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_256)
131 # ifndef CALG_SHA_384
132 # define CALG_SHA_384 (ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_384)
134 # ifndef CALG_SHA_512
135 # define CALG_SHA_512 (ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_512)
138 # include <openssl/engine.h>
139 # include <openssl/pem.h>
140 # include <openssl/x509v3.h>
142 # include "e_capi_err.h"
143 # include "e_capi_err.c"
145 static const char *engine_capi_id = "capi";
146 static const char *engine_capi_name = "CryptoAPI ENGINE";
148 typedef struct CAPI_CTX_st CAPI_CTX;
149 typedef struct CAPI_KEY_st CAPI_KEY;
151 static void capi_addlasterror(void);
152 static void capi_adderror(DWORD err);
154 static void CAPI_trace(CAPI_CTX * ctx, char *format, ...);
156 static int capi_list_providers(CAPI_CTX * ctx, BIO *out);
157 static int capi_list_containers(CAPI_CTX * ctx, BIO *out);
158 int capi_list_certs(CAPI_CTX * ctx, BIO *out, char *storename);
159 void capi_free_key(CAPI_KEY * key);
161 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX * ctx, const char *id,
164 CAPI_KEY *capi_find_key(CAPI_CTX * ctx, const char *id);
166 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
167 UI_METHOD *ui_method, void *callback_data);
168 static int capi_rsa_sign(int dtype, const unsigned char *m,
169 unsigned int m_len, unsigned char *sigret,
170 unsigned int *siglen, const RSA *rsa);
171 static int capi_rsa_priv_enc(int flen, const unsigned char *from,
172 unsigned char *to, RSA *rsa, int padding);
173 static int capi_rsa_priv_dec(int flen, const unsigned char *from,
174 unsigned char *to, RSA *rsa, int padding);
175 static int capi_rsa_free(RSA *rsa);
177 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
179 static int capi_dsa_free(DSA *dsa);
181 static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
182 STACK_OF(X509_NAME) *ca_dn, X509 **pcert,
183 EVP_PKEY **pkey, STACK_OF(X509) **pother,
184 UI_METHOD *ui_method,
185 void *callback_data);
187 static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
188 # ifdef OPENSSL_CAPIENG_DIALOG
189 static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
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();
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:
365 OPENSSL_free(ctx->storename);
366 ctx->storename = BUF_strdup(p);
367 CAPI_trace(ctx, "Setting store name to %s\n", p);
370 case CAPI_CMD_STORE_FLAGS:
372 ctx->store_flags |= CERT_SYSTEM_STORE_LOCAL_MACHINE;
373 ctx->store_flags &= ~CERT_SYSTEM_STORE_CURRENT_USER;
375 ctx->store_flags |= CERT_SYSTEM_STORE_CURRENT_USER;
376 ctx->store_flags &= ~CERT_SYSTEM_STORE_LOCAL_MACHINE;
378 CAPI_trace(ctx, "Setting flags to %d\n", i);
381 case CAPI_CMD_DEBUG_LEVEL:
382 ctx->debug_level = (int)i;
383 CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level);
386 case CAPI_CMD_DEBUG_FILE:
387 ctx->debug_file = BUF_strdup(p);
388 CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file);
391 case CAPI_CMD_KEYTYPE:
393 CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype);
396 case CAPI_CMD_SET_CSP_IDX:
397 ret = capi_ctx_set_provname_idx(ctx, i);
400 case CAPI_CMD_LIST_OPTIONS:
404 case CAPI_CMD_LOOKUP_METHOD:
405 if (i < 1 || i > 3) {
406 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD);
410 ctx->lookup_method = i;
413 case CAPI_CMD_SET_CSP_NAME:
414 ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1);
417 case CAPI_CMD_SET_CSP_TYPE:
422 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND);
431 static RSA_METHOD capi_rsa_method = {
432 "CryptoAPI RSA method",
435 capi_rsa_priv_enc, /* priv_enc */
436 capi_rsa_priv_dec, /* priv_dec */
440 capi_rsa_free, /* finish */
441 RSA_FLAG_SIGN_VER, /* flags */
443 capi_rsa_sign, /* rsa_sign */
447 static DSA_METHOD capi_dsa_method = {
448 "CryptoAPI DSA method",
449 capi_dsa_do_sign, /* dsa_do_sign */
450 0, /* dsa_sign_setup */
451 0, /* dsa_do_verify */
455 capi_dsa_free, /* finish */
458 0, /* dsa_paramgen */
462 static int capi_init(ENGINE *e)
465 const RSA_METHOD *ossl_rsa_meth;
466 const DSA_METHOD *ossl_dsa_meth;
469 capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0);
473 cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0);
475 /* Setup RSA_METHOD */
476 rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
477 ossl_rsa_meth = RSA_PKCS1_SSLeay();
478 capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc;
479 capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec;
480 capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp;
481 capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp;
483 /* Setup DSA Method */
484 dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
485 ossl_dsa_meth = DSA_OpenSSL();
486 capi_dsa_method.dsa_do_verify = ossl_dsa_meth->dsa_do_verify;
487 capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp;
488 capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp;
491 ctx = capi_ctx_new();
495 ENGINE_set_ex_data(e, capi_idx, ctx);
497 # ifdef OPENSSL_CAPIENG_DIALOG
499 HMODULE cryptui = LoadLibrary(TEXT("CRYPTUI.DLL"));
500 HMODULE kernel = GetModuleHandle(TEXT("KERNEL32.DLL"));
503 (CERTDLG) GetProcAddress(cryptui,
504 "CryptUIDlgSelectCertificateFromStore");
507 (GETCONSWIN) GetProcAddress(kernel, "GetConsoleWindow");
508 if (cryptui && !OPENSSL_isservice())
509 ctx->client_cert_select = cert_select_dialog;
516 CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE);
522 static int capi_destroy(ENGINE *e)
524 ERR_unload_CAPI_strings();
528 static int capi_finish(ENGINE *e)
531 ctx = ENGINE_get_ex_data(e, capi_idx);
533 ENGINE_set_ex_data(e, capi_idx, NULL);
538 * CryptoAPI key application data. This contains a handle to the private key
539 * container (for sign operations) and a handle to the key (for decrypt
544 /* Associated certificate context (if any) */
545 PCCERT_CONTEXT pcert;
551 static int bind_capi(ENGINE *e)
553 if (!ENGINE_set_id(e, engine_capi_id)
554 || !ENGINE_set_name(e, engine_capi_name)
555 || !ENGINE_set_flags(e, ENGINE_FLAGS_NO_REGISTER_ALL)
556 || !ENGINE_set_init_function(e, capi_init)
557 || !ENGINE_set_finish_function(e, capi_finish)
558 || !ENGINE_set_destroy_function(e, capi_destroy)
559 || !ENGINE_set_RSA(e, &capi_rsa_method)
560 || !ENGINE_set_DSA(e, &capi_dsa_method)
561 || !ENGINE_set_load_privkey_function(e, capi_load_privkey)
562 || !ENGINE_set_load_ssl_client_cert_function(e,
563 capi_load_ssl_client_cert)
564 || !ENGINE_set_cmd_defns(e, capi_cmd_defns)
565 || !ENGINE_set_ctrl_function(e, capi_ctrl))
567 ERR_load_CAPI_strings();
573 # ifndef OPENSSL_NO_DYNAMIC_ENGINE
574 static int bind_helper(ENGINE *e, const char *id)
576 if (id && (strcmp(id, engine_capi_id) != 0))
583 IMPLEMENT_DYNAMIC_CHECK_FN()
584 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
586 static ENGINE *engine_capi(void)
588 ENGINE *ret = ENGINE_new();
591 if (!bind_capi(ret)) {
598 void ENGINE_load_capi(void)
600 /* Copied from eng_[openssl|dyn].c */
601 ENGINE *toadd = engine_capi();
610 static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
614 * Reverse buffer in place: since this is a keyblob structure that will
615 * be freed up after conversion anyway it doesn't matter if we change
618 for (i = 0; i < binlen / 2; i++) {
621 bin[i] = bin[binlen - i - 1];
622 bin[binlen - i - 1] = c;
625 if (!BN_bin2bn(bin, binlen, bn))
630 /* Given a CAPI_KEY get an EVP_PKEY structure */
632 static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY * key)
634 unsigned char *pubkey = NULL;
639 EVP_PKEY *ret = NULL;
640 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len)) {
641 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
646 pubkey = OPENSSL_malloc(len);
651 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len)) {
652 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
657 bh = (BLOBHEADER *) pubkey;
658 if (bh->bType != PUBLICKEYBLOB) {
659 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
662 if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX) {
665 unsigned char *rsa_modulus;
666 rp = (RSAPUBKEY *) (bh + 1);
667 if (rp->magic != 0x31415352) {
669 BIO_snprintf(magstr, 10, "%lx", rp->magic);
670 CAPIerr(CAPI_F_CAPI_GET_PKEY,
671 CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
672 ERR_add_error_data(2, "magic=0x", magstr);
675 rsa_modulus = (unsigned char *)(rp + 1);
676 rkey = RSA_new_method(eng);
683 if (!rkey->e || !rkey->n)
686 if (!BN_set_word(rkey->e, rp->pubexp))
689 rsa_modlen = rp->bitlen / 8;
690 if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen))
693 RSA_set_ex_data(rkey, rsa_capi_idx, key);
695 if (!(ret = EVP_PKEY_new()))
698 EVP_PKEY_assign_RSA(ret, rkey);
701 } else if (bh->aiKeyAlg == CALG_DSS_SIGN) {
705 dp = (DSSPUBKEY *) (bh + 1);
706 if (dp->magic != 0x31535344) {
708 BIO_snprintf(magstr, 10, "%lx", dp->magic);
709 CAPIerr(CAPI_F_CAPI_GET_PKEY,
710 CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
711 ERR_add_error_data(2, "magic=0x", magstr);
714 dsa_plen = dp->bitlen / 8;
715 btmp = (unsigned char *)(dp + 1);
716 dkey = DSA_new_method(eng);
722 dkey->pub_key = BN_new();
723 if (!dkey->p || !dkey->q || !dkey->g || !dkey->pub_key)
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()))
743 EVP_PKEY_assign_DSA(ret, dkey);
747 BIO_snprintf(algstr, 10, "%lx", 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);
756 OPENSSL_free(pubkey);
767 CAPIerr(CAPI_F_CAPI_GET_PKEY, ERR_R_MALLOC_FAILURE);
772 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
773 UI_METHOD *ui_method, void *callback_data)
778 ctx = ENGINE_get_ex_data(eng, capi_idx);
781 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
785 key = capi_find_key(ctx, key_id);
790 ret = capi_get_pkey(eng, key);
798 /* CryptoAPI RSA operations */
800 int capi_rsa_priv_enc(int flen, const unsigned char *from,
801 unsigned char *to, RSA *rsa, int padding)
803 CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
807 int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
808 unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
818 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
820 CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
822 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
824 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
827 /* Convert the signature type to a CryptoAPI algorithm ID */
850 alg = CALG_SSL3_SHAMD5;
855 BIO_snprintf(algstr, 10, "%lx", dtype);
856 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID);
857 ERR_add_error_data(2, "NID=0x", algstr);
862 /* Create the hash object */
863 if (!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash)) {
864 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
868 /* Set the hash value to the value passed */
870 if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0)) {
871 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
876 /* Finally sign it */
877 slen = RSA_size(rsa);
878 if (!CryptSignHash(hash, capi_key->keyspec, NULL, 0, sigret, &slen)) {
879 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
884 /* Inplace byte reversal of signature */
885 for (i = 0; i < slen / 2; i++) {
888 sigret[i] = sigret[slen - i - 1];
889 sigret[slen - i - 1] = c;
897 CryptDestroyHash(hash);
902 int capi_rsa_priv_dec(int flen, const unsigned char *from,
903 unsigned char *to, RSA *rsa, int padding)
906 unsigned char *tmpbuf;
909 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
911 CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n");
913 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
915 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY);
919 if (padding != RSA_PKCS1_PADDING) {
921 BIO_snprintf(errstr, 10, "%d", padding);
922 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
923 ERR_add_error_data(2, "padding=", errstr);
927 /* Create temp reverse order version of input */
928 if (!(tmpbuf = OPENSSL_malloc(flen))) {
929 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE);
932 for (i = 0; i < flen; i++)
933 tmpbuf[flen - i - 1] = from[i];
935 /* Finally decrypt it */
936 if (!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &flen)) {
937 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
939 OPENSSL_free(tmpbuf);
942 memcpy(to, tmpbuf, flen);
944 OPENSSL_free(tmpbuf);
949 static int capi_rsa_free(RSA *rsa)
952 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
953 capi_free_key(capi_key);
954 RSA_set_ex_data(rsa, rsa_capi_idx, 0);
958 /* CryptoAPI DSA operations */
960 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
968 unsigned char csigbuf[40];
970 ctx = ENGINE_get_ex_data(dsa->engine, capi_idx);
972 CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n");
974 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
977 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY);
982 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH);
986 /* Create the hash object */
987 if (!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash)) {
988 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
993 /* Set the hash value to the value passed */
994 if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0)) {
995 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
1000 /* Finally sign it */
1001 slen = sizeof(csigbuf);
1002 if (!CryptSignHash(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen)) {
1003 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH);
1004 capi_addlasterror();
1007 ret = DSA_SIG_new();
1012 if (!ret->r || !ret->s)
1014 if (!lend_tobn(ret->r, csigbuf, 20)
1015 || !lend_tobn(ret->s, csigbuf + 20, 20)) {
1025 OPENSSL_cleanse(csigbuf, 40);
1026 CryptDestroyHash(hash);
1030 static int capi_dsa_free(DSA *dsa)
1033 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
1034 capi_free_key(capi_key);
1035 DSA_set_ex_data(dsa, dsa_capi_idx, 0);
1039 static void capi_vtrace(CAPI_CTX * ctx, int level, char *format,
1044 if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
1046 out = BIO_new_file(ctx->debug_file, "a+");
1048 CAPIerr(CAPI_F_CAPI_VTRACE, CAPI_R_FILE_OPEN_ERROR);
1051 BIO_vprintf(out, format, argptr);
1055 static void CAPI_trace(CAPI_CTX * ctx, char *format, ...)
1058 va_start(args, format);
1059 capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
1063 static void capi_addlasterror(void)
1065 capi_adderror(GetLastError());
1068 static void capi_adderror(DWORD err)
1071 BIO_snprintf(errstr, 10, "%lX", err);
1072 ERR_add_error_data(2, "Error code= 0x", errstr);
1075 static char *wide_to_asc(LPCWSTR wstr)
1082 len_0 = (int)wcslen(wstr) + 1; /* WideCharToMultiByte expects int */
1083 sz = WideCharToMultiByte(CP_ACP, 0, wstr, len_0, NULL, 0, NULL, NULL);
1085 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1088 str = OPENSSL_malloc(sz);
1090 CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
1093 if (!WideCharToMultiByte(CP_ACP, 0, wstr, len_0, str, sz, NULL, NULL)) {
1095 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1101 static int capi_get_provname(CAPI_CTX * ctx, LPSTR * pname, DWORD * ptype,
1106 CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
1107 if (!CryptEnumProviders(idx, NULL, 0, ptype, NULL, &len)) {
1108 err = GetLastError();
1109 if (err == ERROR_NO_MORE_ITEMS)
1111 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1115 name = OPENSSL_malloc(len);
1117 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, ERR_R_MALLOC_FAILURE);
1120 if (!CryptEnumProviders(idx, NULL, 0, ptype, name, &len)) {
1121 err = GetLastError();
1123 if (err == ERROR_NO_MORE_ITEMS)
1125 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1129 if (sizeof(TCHAR) != sizeof(char)) {
1130 *pname = wide_to_asc((WCHAR *)name);
1135 *pname = (char *)name;
1136 CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", *pname,
1142 static int capi_list_providers(CAPI_CTX * ctx, BIO *out)
1146 LPSTR provname = NULL;
1147 CAPI_trace(ctx, "capi_list_providers\n");
1148 BIO_printf(out, "Available CSPs:\n");
1149 for (idx = 0;; idx++) {
1150 ret = capi_get_provname(ctx, &provname, &ptype, idx);
1155 BIO_printf(out, "%d. %s, type %d\n", idx, provname, ptype);
1156 OPENSSL_free(provname);
1161 static int capi_list_containers(CAPI_CTX * ctx, BIO *out)
1165 DWORD err, idx, flags, buflen = 0, clen;
1167 LPTSTR cspname = NULL;
1169 CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname,
1171 if (ctx->cspname && sizeof(TCHAR) != sizeof(char)) {
1173 MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, NULL, 0))) {
1174 cspname = alloca(clen * sizeof(WCHAR));
1175 MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, (WCHAR *)cspname,
1179 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1180 capi_addlasterror();
1184 cspname = (TCHAR *)ctx->cspname;
1185 if (!CryptAcquireContext
1186 (&hprov, NULL, cspname, ctx->csptype, CRYPT_VERIFYCONTEXT)) {
1187 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS,
1188 CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1189 capi_addlasterror();
1192 if (!CryptGetProvParam
1193 (hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST)) {
1194 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1195 capi_addlasterror();
1196 CryptReleaseContext(hprov, 0);
1199 CAPI_trace(ctx, "Got max container len %d\n", buflen);
1202 cname = OPENSSL_malloc(buflen);
1204 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1208 for (idx = 0;; idx++) {
1213 flags = CRYPT_FIRST;
1216 if (!CryptGetProvParam
1217 (hprov, PP_ENUMCONTAINERS, (BYTE *) cname, &clen, flags)) {
1218 err = GetLastError();
1219 if (err == ERROR_NO_MORE_ITEMS)
1221 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1225 CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n",
1226 cname, clen, idx, flags);
1227 if (!cname[0] && (clen == buflen)) {
1228 CAPI_trace(ctx, "Enumerate bug: using workaround\n");
1231 BIO_printf(out, "%d. %s\n", idx, cname);
1239 OPENSSL_free(cname);
1240 CryptReleaseContext(hprov, 0);
1245 CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
1248 CRYPT_KEY_PROV_INFO *pinfo;
1250 if (!CertGetCertificateContextProperty
1251 (cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len))
1253 pinfo = OPENSSL_malloc(len);
1255 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE);
1258 if (!CertGetCertificateContextProperty
1259 (cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len)) {
1260 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO,
1261 CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO);
1262 capi_addlasterror();
1263 OPENSSL_free(pinfo);
1269 static void capi_dump_prov_info(CAPI_CTX * ctx, BIO *out,
1270 CRYPT_KEY_PROV_INFO * pinfo)
1272 char *provname = NULL, *contname = NULL;
1274 BIO_printf(out, " No Private Key\n");
1277 provname = wide_to_asc(pinfo->pwszProvName);
1278 contname = wide_to_asc(pinfo->pwszContainerName);
1279 if (!provname || !contname)
1282 BIO_printf(out, " Private Key Info:\n");
1283 BIO_printf(out, " Provider Name: %s, Provider Type %d\n", provname,
1285 BIO_printf(out, " Container Name: %s, Key Type %d\n", contname,
1289 OPENSSL_free(provname);
1291 OPENSSL_free(contname);
1294 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 void capi_dump_cert(CAPI_CTX * ctx, BIO *out, PCCERT_CONTEXT cert)
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);
1353 OPENSSL_free(pinfo);
1356 if (flags & CAPI_DMP_PEM)
1357 PEM_write_bio_X509(out, x);
1361 HCERTSTORE capi_open_store(CAPI_CTX * ctx, char *storename)
1366 storename = ctx->storename;
1369 CAPI_trace(ctx, "Opening certificate store %s\n", storename);
1371 hstore = CertOpenStore(CERT_STORE_PROV_SYSTEM_A, 0, 0,
1372 ctx->store_flags, storename);
1374 CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE);
1375 capi_addlasterror();
1380 int capi_list_certs(CAPI_CTX * ctx, BIO *out, char *id)
1386 PCCERT_CONTEXT cert = NULL;
1388 storename = ctx->storename;
1391 CAPI_trace(ctx, "Listing certs for store %s\n", storename);
1393 hstore = capi_open_store(ctx, storename);
1397 cert = capi_find_cert(ctx, id, hstore);
1402 capi_dump_cert(ctx, out, cert);
1403 CertFreeCertificateContext(cert);
1405 for (idx = 0;; idx++) {
1406 cert = CertEnumCertificatesInStore(hstore, cert);
1409 BIO_printf(out, "Certificate %d\n", idx);
1410 capi_dump_cert(ctx, out, cert);
1414 CertCloseStore(hstore, 0);
1418 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX * ctx, const char *id,
1421 PCCERT_CONTEXT cert = NULL;
1424 switch (ctx->lookup_method) {
1425 case CAPI_LU_SUBSTR:
1426 return CertFindCertificateInStore(hstore,
1427 X509_ASN_ENCODING, 0,
1428 CERT_FIND_SUBJECT_STR_A, id, NULL);
1431 cert = CertEnumCertificatesInStore(hstore, cert);
1434 fname = capi_cert_get_fname(ctx, cert);
1436 if (strcmp(fname, id))
1440 OPENSSL_free(fname);
1450 static CAPI_KEY *capi_get_key(CAPI_CTX * ctx, const TCHAR *contname,
1451 TCHAR *provname, DWORD ptype, DWORD keyspec)
1455 key = OPENSSL_malloc(sizeof(CAPI_KEY));
1458 if (sizeof(TCHAR) == sizeof(char))
1459 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1460 contname, provname, ptype);
1461 else if (ctx && ctx->debug_level >= CAPI_DBG_TRACE && ctx->debug_file) {
1462 /* above 'if' is optimization to minimize malloc-ations */
1463 char *_contname = wide_to_asc((WCHAR *)contname);
1464 char *_provname = wide_to_asc((WCHAR *)provname);
1466 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1467 _contname, _provname, ptype);
1469 OPENSSL_free(_provname);
1471 OPENSSL_free(_contname);
1473 if (ctx->store_flags & CERT_SYSTEM_STORE_LOCAL_MACHINE)
1474 dwFlags = CRYPT_MACHINE_KEYSET;
1475 if (!CryptAcquireContext(&key->hprov, contname, provname, ptype, dwFlags)) {
1476 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1477 capi_addlasterror();
1480 if (!CryptGetUserKey(key->hprov, keyspec, &key->key)) {
1481 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR);
1482 capi_addlasterror();
1483 CryptReleaseContext(key->hprov, 0);
1486 key->keyspec = keyspec;
1495 static CAPI_KEY *capi_get_cert_key(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
1497 CAPI_KEY *key = NULL;
1498 CRYPT_KEY_PROV_INFO *pinfo = NULL;
1499 char *provname = NULL, *contname = NULL;
1500 pinfo = capi_get_prov_info(ctx, cert);
1503 if (sizeof(TCHAR) != sizeof(char))
1504 key = capi_get_key(ctx, (TCHAR *)pinfo->pwszContainerName,
1505 (TCHAR *)pinfo->pwszProvName,
1506 pinfo->dwProvType, pinfo->dwKeySpec);
1508 provname = wide_to_asc(pinfo->pwszProvName);
1509 contname = wide_to_asc(pinfo->pwszContainerName);
1510 if (!provname || !contname)
1512 key = capi_get_key(ctx, (TCHAR *)contname, (TCHAR *)provname,
1513 pinfo->dwProvType, pinfo->dwKeySpec);
1518 OPENSSL_free(pinfo);
1520 OPENSSL_free(provname);
1522 OPENSSL_free(contname);
1526 CAPI_KEY *capi_find_key(CAPI_CTX * ctx, const char *id)
1528 PCCERT_CONTEXT cert;
1530 CAPI_KEY *key = NULL;
1531 switch (ctx->lookup_method) {
1532 case CAPI_LU_SUBSTR:
1534 hstore = capi_open_store(ctx, NULL);
1537 cert = capi_find_cert(ctx, id, hstore);
1539 key = capi_get_cert_key(ctx, cert);
1540 CertFreeCertificateContext(cert);
1542 CertCloseStore(hstore, 0);
1545 case CAPI_LU_CONTNAME:
1546 if (sizeof(TCHAR) != sizeof(char)) {
1547 WCHAR *contname, *provname;
1550 if ((len = MultiByteToWideChar(CP_ACP, 0, id, -1, NULL, 0)) &&
1551 (contname = alloca(len * sizeof(WCHAR)),
1552 MultiByteToWideChar(CP_ACP, 0, id, -1, contname, len)) &&
1554 MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, NULL, 0))
1556 alloca(len * sizeof(WCHAR)), MultiByteToWideChar(CP_ACP,
1563 capi_get_key(ctx, (TCHAR *)contname, (TCHAR *)provname,
1564 ctx->csptype, ctx->keytype);
1566 key = capi_get_key(ctx, (TCHAR *)id,
1567 (TCHAR *)ctx->cspname,
1568 ctx->csptype, ctx->keytype);
1575 void capi_free_key(CAPI_KEY * key)
1579 CryptDestroyKey(key->key);
1580 CryptReleaseContext(key->hprov, 0);
1582 CertFreeCertificateContext(key->pcert);
1586 /* Initialize a CAPI_CTX structure */
1588 static CAPI_CTX *capi_ctx_new()
1591 ctx = OPENSSL_malloc(sizeof(CAPI_CTX));
1593 CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE);
1596 ctx->cspname = NULL;
1597 ctx->csptype = PROV_RSA_FULL;
1598 ctx->dump_flags = CAPI_DMP_SUMMARY | CAPI_DMP_FNAME;
1599 ctx->keytype = AT_KEYEXCHANGE;
1600 ctx->storename = NULL;
1601 ctx->ssl_client_store = NULL;
1602 ctx->store_flags = CERT_STORE_OPEN_EXISTING_FLAG |
1603 CERT_STORE_READONLY_FLAG | CERT_SYSTEM_STORE_CURRENT_USER;
1604 ctx->lookup_method = CAPI_LU_SUBSTR;
1605 ctx->debug_level = 0;
1606 ctx->debug_file = NULL;
1607 ctx->client_cert_select = cert_select_simple;
1611 static void capi_ctx_free(CAPI_CTX * ctx)
1613 CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx);
1617 OPENSSL_free(ctx->cspname);
1618 if (ctx->debug_file)
1619 OPENSSL_free(ctx->debug_file);
1621 OPENSSL_free(ctx->storename);
1622 if (ctx->ssl_client_store)
1623 OPENSSL_free(ctx->ssl_client_store);
1627 static int capi_ctx_set_provname(CAPI_CTX * ctx, LPSTR pname, DWORD type,
1630 CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type);
1635 if (sizeof(TCHAR) != sizeof(char)) {
1637 if ((len = MultiByteToWideChar(CP_ACP, 0, pname, -1, NULL, 0))) {
1638 name = alloca(len * sizeof(WCHAR));
1639 MultiByteToWideChar(CP_ACP, 0, pname, -1, (WCHAR *)name, len);
1642 name = (TCHAR *)pname;
1644 if (!name || !CryptAcquireContext(&hprov, NULL, name, type,
1645 CRYPT_VERIFYCONTEXT)) {
1646 CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME,
1647 CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1648 capi_addlasterror();
1651 CryptReleaseContext(hprov, 0);
1654 OPENSSL_free(ctx->cspname);
1655 ctx->cspname = BUF_strdup(pname);
1656 ctx->csptype = type;
1660 static int capi_ctx_set_provname_idx(CAPI_CTX * ctx, int idx)
1665 if (capi_get_provname(ctx, &pname, &type, idx) != 1)
1667 res = capi_ctx_set_provname(ctx, pname, type, 0);
1668 OPENSSL_free(pname);
1672 static int cert_issuer_match(STACK_OF(X509_NAME) *ca_dn, X509 *x)
1676 /* Special case: empty list: match anything */
1677 if (sk_X509_NAME_num(ca_dn) <= 0)
1679 for (i = 0; i < sk_X509_NAME_num(ca_dn); i++) {
1680 nm = sk_X509_NAME_value(ca_dn, i);
1681 if (!X509_NAME_cmp(nm, X509_get_issuer_name(x)))
1687 static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
1688 STACK_OF(X509_NAME) *ca_dn, X509 **pcert,
1689 EVP_PKEY **pkey, STACK_OF(X509) **pother,
1690 UI_METHOD *ui_method,
1691 void *callback_data)
1693 STACK_OF(X509) *certs = NULL;
1697 int i, client_cert_idx;
1699 PCCERT_CONTEXT cert = NULL, excert = NULL;
1702 ctx = ENGINE_get_ex_data(e, capi_idx);
1707 storename = ctx->ssl_client_store;
1711 hstore = capi_open_store(ctx, storename);
1714 /* Enumerate all certificates collect any matches */
1716 cert = CertEnumCertificatesInStore(hstore, cert);
1719 p = cert->pbCertEncoded;
1720 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1722 CAPI_trace(ctx, "Can't Parse Certificate %d\n", i);
1725 if (cert_issuer_match(ca_dn, x)
1726 && X509_check_purpose(x, X509_PURPOSE_SSL_CLIENT, 0)) {
1727 key = capi_get_cert_key(ctx, cert);
1733 * Match found: attach extra data to it so we can retrieve the
1736 excert = CertDuplicateCertificateContext(cert);
1737 key->pcert = excert;
1738 X509_set_ex_data(x, cert_capi_idx, key);
1741 certs = sk_X509_new_null();
1743 sk_X509_push(certs, x);
1750 CertFreeCertificateContext(cert);
1752 CertCloseStore(hstore, 0);
1757 /* Select the appropriate certificate */
1759 client_cert_idx = ctx->client_cert_select(e, ssl, certs);
1761 /* Set the selected certificate and free the rest */
1763 for (i = 0; i < sk_X509_num(certs); i++) {
1764 x = sk_X509_value(certs, i);
1765 if (i == client_cert_idx)
1768 key = X509_get_ex_data(x, cert_capi_idx);
1774 sk_X509_free(certs);
1779 /* Setup key for selected certificate */
1781 key = X509_get_ex_data(*pcert, cert_capi_idx);
1782 *pkey = capi_get_pkey(e, key);
1783 X509_set_ex_data(*pcert, cert_capi_idx, NULL);
1789 /* Simple client cert selection function: always select first */
1791 static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1796 # ifdef OPENSSL_CAPIENG_DIALOG
1799 * More complex cert selection function, using standard function
1800 * CryptUIDlgSelectCertificateFromStore() to produce a dialog box.
1804 * Definitions which are in cryptuiapi.h but this is not present in older
1805 * versions of headers.
1808 # ifndef CRYPTUI_SELECT_LOCATION_COLUMN
1809 # define CRYPTUI_SELECT_LOCATION_COLUMN 0x000000010
1810 # define CRYPTUI_SELECT_INTENDEDUSE_COLUMN 0x000000004
1813 # define dlg_title L"OpenSSL Application SSL Client Certificate Selection"
1814 # define dlg_prompt L"Select a certificate to use for authentication"
1815 # define dlg_columns CRYPTUI_SELECT_LOCATION_COLUMN \
1816 |CRYPTUI_SELECT_INTENDEDUSE_COLUMN
1818 static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1822 PCCERT_CONTEXT cert;
1827 if (sk_X509_num(certs) == 1)
1829 ctx = ENGINE_get_ex_data(e, capi_idx);
1830 /* Create an in memory store of certificates */
1831 dstore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
1832 CERT_STORE_CREATE_NEW_FLAG, NULL);
1834 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_CREATING_STORE);
1835 capi_addlasterror();
1838 /* Add all certificates to store */
1839 for (i = 0; i < sk_X509_num(certs); i++) {
1840 x = sk_X509_value(certs, i);
1841 key = X509_get_ex_data(x, cert_capi_idx);
1843 if (!CertAddCertificateContextToStore(dstore, key->pcert,
1844 CERT_STORE_ADD_NEW, NULL)) {
1845 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_ADDING_CERT);
1846 capi_addlasterror();
1851 hwnd = GetForegroundWindow();
1853 hwnd = GetActiveWindow();
1854 if (!hwnd && ctx->getconswindow)
1855 hwnd = ctx->getconswindow();
1856 /* Call dialog to select one */
1857 cert = ctx->certselectdlg(dstore, hwnd, dlg_title, dlg_prompt,
1858 dlg_columns, 0, NULL);
1860 /* Find matching cert from list */
1862 for (i = 0; i < sk_X509_num(certs); i++) {
1863 x = sk_X509_value(certs, i);
1864 key = X509_get_ex_data(x, cert_capi_idx);
1865 if (CertCompareCertificate
1866 (X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, cert->pCertInfo,
1867 key->pcert->pCertInfo)) {
1876 CertCloseStore(dstore, 0);
1882 #else /* !__COMPILE_CAPIENG */
1883 # include <openssl/engine.h>
1884 # ifndef OPENSSL_NO_DYNAMIC_ENGINE
1886 int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns);
1888 int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns)
1893 IMPLEMENT_DYNAMIC_CHECK_FN()
1895 void ENGINE_load_capi(void)