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 typedef PCCERT_CONTEXT(WINAPI *CERTDLG) (HCERTSTORE, HWND, LPCWSTR,
191 LPCWSTR, DWORD, DWORD, void *);
192 typedef HWND(WINAPI *GETCONSWIN) (void);
195 * This structure contains CAPI ENGINE specific data: it contains various
196 * global options and affects how other functions behave.
199 # define CAPI_DBG_TRACE 2
200 # define CAPI_DBG_ERROR 1
205 /* Parameters to use for container lookup */
209 /* Certificate store name to use */
211 LPSTR ssl_client_store;
212 /* System store flags */
214 /* Lookup string meanings in load_private_key */
215 /* Substring of subject: uses "storename" */
216 # define CAPI_LU_SUBSTR 1
217 /* Friendly name: uses storename */
218 # define CAPI_LU_FNAME 2
219 /* Container name: uses cspname, keytype */
220 # define CAPI_LU_CONTNAME 3
222 /* Info to dump with dumpcerts option */
223 /* Issuer and serial name strings */
224 # define CAPI_DMP_SUMMARY 0x1
226 # define CAPI_DMP_FNAME 0x2
227 /* Full X509_print dump */
228 # define CAPI_DMP_FULL 0x4
229 /* Dump PEM format certificate */
230 # define CAPI_DMP_PEM 0x8
231 /* Dump pseudo key (if possible) */
232 # define CAPI_DMP_PSKEY 0x10
233 /* Dump key info (if possible) */
234 # define CAPI_DMP_PKEYINFO 0x20
236 int (*client_cert_select) (ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
237 CERTDLG certselectdlg;
238 GETCONSWIN getconswindow;
241 static CAPI_CTX *capi_ctx_new(void);
242 static void capi_ctx_free(CAPI_CTX * ctx);
243 static int capi_ctx_set_provname(CAPI_CTX * ctx, LPSTR pname, DWORD type,
245 static int capi_ctx_set_provname_idx(CAPI_CTX * ctx, int idx);
247 # define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE
248 # define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1)
249 # define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2)
250 # define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3)
251 # define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4)
252 # define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5)
253 # define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6)
254 # define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7)
255 # define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8)
256 # define CAPI_CMD_LIST_CONTAINERS (ENGINE_CMD_BASE + 9)
257 # define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10)
258 # define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11)
259 # define CAPI_CMD_STORE_NAME (ENGINE_CMD_BASE + 12)
260 # define CAPI_CMD_STORE_FLAGS (ENGINE_CMD_BASE + 13)
262 static const ENGINE_CMD_DEFN capi_cmd_defns[] = {
263 {CAPI_CMD_LIST_CERTS,
265 "List all certificates in store",
266 ENGINE_CMD_FLAG_NO_INPUT},
267 {CAPI_CMD_LOOKUP_CERT,
269 "Lookup and output certificates",
270 ENGINE_CMD_FLAG_STRING},
271 {CAPI_CMD_DEBUG_LEVEL,
273 "debug level (1=errors, 2=trace)",
274 ENGINE_CMD_FLAG_NUMERIC},
275 {CAPI_CMD_DEBUG_FILE,
277 "debugging filename)",
278 ENGINE_CMD_FLAG_STRING},
281 "Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE",
282 ENGINE_CMD_FLAG_NUMERIC},
286 ENGINE_CMD_FLAG_NO_INPUT},
287 {CAPI_CMD_SET_CSP_IDX,
290 ENGINE_CMD_FLAG_NUMERIC},
291 {CAPI_CMD_SET_CSP_NAME,
293 "Set CSP name, (default CSP used if not specified)",
294 ENGINE_CMD_FLAG_STRING},
295 {CAPI_CMD_SET_CSP_TYPE,
297 "Set CSP type, (default RSA_PROV_FULL)",
298 ENGINE_CMD_FLAG_NUMERIC},
299 {CAPI_CMD_LIST_CONTAINERS,
301 "list container names",
302 ENGINE_CMD_FLAG_NO_INPUT},
303 {CAPI_CMD_LIST_OPTIONS,
305 "Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, "
306 "32=private key info)",
307 ENGINE_CMD_FLAG_NUMERIC},
308 {CAPI_CMD_LOOKUP_METHOD,
310 "Set key lookup method (1=substring, 2=friendlyname, 3=container name)",
311 ENGINE_CMD_FLAG_NUMERIC},
312 {CAPI_CMD_STORE_NAME,
314 "certificate store name, default \"MY\"",
315 ENGINE_CMD_FLAG_STRING},
316 {CAPI_CMD_STORE_FLAGS,
318 "Certificate store flags: 1 = system store",
319 ENGINE_CMD_FLAG_NUMERIC},
324 static int capi_idx = -1;
325 static int rsa_capi_idx = -1;
326 static int dsa_capi_idx = -1;
327 static int cert_capi_idx = -1;
329 static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) (void))
334 if (capi_idx == -1) {
335 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED);
338 ctx = ENGINE_get_ex_data(e, capi_idx);
339 out = BIO_new_fp(stdout, BIO_NOCLOSE);
341 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_FILE_OPEN_ERROR);
345 case CAPI_CMD_LIST_CSPS:
346 ret = capi_list_providers(ctx, out);
349 case CAPI_CMD_LIST_CERTS:
350 ret = capi_list_certs(ctx, out, NULL);
353 case CAPI_CMD_LOOKUP_CERT:
354 ret = capi_list_certs(ctx, out, p);
357 case CAPI_CMD_LIST_CONTAINERS:
358 ret = capi_list_containers(ctx, out);
361 case CAPI_CMD_STORE_NAME:
362 OPENSSL_free(ctx->storename);
363 ctx->storename = OPENSSL_strdup(p);
364 CAPI_trace(ctx, "Setting store name to %s\n", p);
367 case CAPI_CMD_STORE_FLAGS:
369 ctx->store_flags |= CERT_SYSTEM_STORE_LOCAL_MACHINE;
370 ctx->store_flags &= ~CERT_SYSTEM_STORE_CURRENT_USER;
372 ctx->store_flags |= CERT_SYSTEM_STORE_CURRENT_USER;
373 ctx->store_flags &= ~CERT_SYSTEM_STORE_LOCAL_MACHINE;
375 CAPI_trace(ctx, "Setting flags to %d\n", i);
378 case CAPI_CMD_DEBUG_LEVEL:
379 ctx->debug_level = (int)i;
380 CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level);
383 case CAPI_CMD_DEBUG_FILE:
384 ctx->debug_file = OPENSSL_strdup(p);
385 CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file);
388 case CAPI_CMD_KEYTYPE:
390 CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype);
393 case CAPI_CMD_SET_CSP_IDX:
394 ret = capi_ctx_set_provname_idx(ctx, i);
397 case CAPI_CMD_LIST_OPTIONS:
401 case CAPI_CMD_LOOKUP_METHOD:
402 if (i < 1 || i > 3) {
403 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD);
407 ctx->lookup_method = i;
410 case CAPI_CMD_SET_CSP_NAME:
411 ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1);
414 case CAPI_CMD_SET_CSP_TYPE:
419 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND);
428 static RSA_METHOD capi_rsa_method = {
429 "CryptoAPI RSA method",
432 capi_rsa_priv_enc, /* priv_enc */
433 capi_rsa_priv_dec, /* priv_dec */
437 capi_rsa_free, /* finish */
440 capi_rsa_sign, /* rsa_sign */
444 static DSA_METHOD capi_dsa_method = {
445 "CryptoAPI DSA method",
446 capi_dsa_do_sign, /* dsa_do_sign */
447 0, /* dsa_sign_setup */
448 0, /* dsa_do_verify */
452 capi_dsa_free, /* finish */
455 0, /* dsa_paramgen */
459 static int capi_init(ENGINE *e)
462 const RSA_METHOD *ossl_rsa_meth;
463 const DSA_METHOD *ossl_dsa_meth;
466 capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0);
470 cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0);
472 /* Setup RSA_METHOD */
473 rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
474 ossl_rsa_meth = RSA_PKCS1_OpenSSL();
475 capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc;
476 capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec;
477 capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp;
478 capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp;
480 /* Setup DSA Method */
481 dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
482 ossl_dsa_meth = DSA_OpenSSL();
483 capi_dsa_method.dsa_do_verify = ossl_dsa_meth->dsa_do_verify;
484 capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp;
485 capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp;
488 ctx = capi_ctx_new();
492 ENGINE_set_ex_data(e, capi_idx, ctx);
494 # ifdef OPENSSL_CAPIENG_DIALOG
496 HMODULE cryptui = LoadLibrary(TEXT("CRYPTUI.DLL"));
497 HMODULE kernel = GetModuleHandle(TEXT("KERNEL32.DLL"));
500 (CERTDLG) GetProcAddress(cryptui,
501 "CryptUIDlgSelectCertificateFromStore");
504 (GETCONSWIN) GetProcAddress(kernel, "GetConsoleWindow");
505 if (cryptui && !OPENSSL_isservice())
506 ctx->client_cert_select = cert_select_dialog;
513 CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE);
519 static int capi_destroy(ENGINE *e)
521 ERR_unload_CAPI_strings();
525 static int capi_finish(ENGINE *e)
528 ctx = ENGINE_get_ex_data(e, capi_idx);
530 ENGINE_set_ex_data(e, capi_idx, NULL);
535 * CryptoAPI key application data. This contains a handle to the private key
536 * container (for sign operations) and a handle to the key (for decrypt
541 /* Associated certificate context (if any) */
542 PCCERT_CONTEXT pcert;
548 static int bind_capi(ENGINE *e)
550 if (!ENGINE_set_id(e, engine_capi_id)
551 || !ENGINE_set_name(e, engine_capi_name)
552 || !ENGINE_set_flags(e, ENGINE_FLAGS_NO_REGISTER_ALL)
553 || !ENGINE_set_init_function(e, capi_init)
554 || !ENGINE_set_finish_function(e, capi_finish)
555 || !ENGINE_set_destroy_function(e, capi_destroy)
556 || !ENGINE_set_RSA(e, &capi_rsa_method)
557 || !ENGINE_set_DSA(e, &capi_dsa_method)
558 || !ENGINE_set_load_privkey_function(e, capi_load_privkey)
559 || !ENGINE_set_load_ssl_client_cert_function(e,
560 capi_load_ssl_client_cert)
561 || !ENGINE_set_cmd_defns(e, capi_cmd_defns)
562 || !ENGINE_set_ctrl_function(e, capi_ctrl))
564 ERR_load_CAPI_strings();
570 # ifndef OPENSSL_NO_DYNAMIC_ENGINE
571 static int bind_helper(ENGINE *e, const char *id)
573 if (id && (strcmp(id, engine_capi_id) != 0))
580 IMPLEMENT_DYNAMIC_CHECK_FN()
581 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
583 static ENGINE *engine_capi(void)
585 ENGINE *ret = ENGINE_new();
588 if (!bind_capi(ret)) {
595 void ENGINE_load_capi(void)
597 /* Copied from eng_[openssl|dyn].c */
598 ENGINE *toadd = engine_capi();
607 static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
611 * Reverse buffer in place: since this is a keyblob structure that will
612 * be freed up after conversion anyway it doesn't matter if we change
615 for (i = 0; i < binlen / 2; i++) {
618 bin[i] = bin[binlen - i - 1];
619 bin[binlen - i - 1] = c;
622 if (!BN_bin2bn(bin, binlen, bn))
627 /* Given a CAPI_KEY get an EVP_PKEY structure */
629 static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY * key)
631 unsigned char *pubkey = NULL;
636 EVP_PKEY *ret = NULL;
637 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len)) {
638 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
643 pubkey = OPENSSL_malloc(len);
648 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len)) {
649 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
654 bh = (BLOBHEADER *) pubkey;
655 if (bh->bType != PUBLICKEYBLOB) {
656 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
659 if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX) {
662 unsigned char *rsa_modulus;
663 rp = (RSAPUBKEY *) (bh + 1);
664 if (rp->magic != 0x31415352) {
666 BIO_snprintf(magstr, 10, "%lx", rp->magic);
667 CAPIerr(CAPI_F_CAPI_GET_PKEY,
668 CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
669 ERR_add_error_data(2, "magic=0x", magstr);
672 rsa_modulus = (unsigned char *)(rp + 1);
673 rkey = RSA_new_method(eng);
680 if (rkey->e == NULL || rkey->n == NULL)
683 if (!BN_set_word(rkey->e, rp->pubexp))
686 rsa_modlen = rp->bitlen / 8;
687 if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen))
690 RSA_set_ex_data(rkey, rsa_capi_idx, key);
692 if ((ret = EVP_PKEY_new()) == NULL)
695 EVP_PKEY_assign_RSA(ret, rkey);
698 } else if (bh->aiKeyAlg == CALG_DSS_SIGN) {
702 dp = (DSSPUBKEY *) (bh + 1);
703 if (dp->magic != 0x31535344) {
705 BIO_snprintf(magstr, 10, "%lx", dp->magic);
706 CAPIerr(CAPI_F_CAPI_GET_PKEY,
707 CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
708 ERR_add_error_data(2, "magic=0x", magstr);
711 dsa_plen = dp->bitlen / 8;
712 btmp = (unsigned char *)(dp + 1);
713 dkey = DSA_new_method(eng);
719 dkey->pub_key = BN_new();
720 if (dkey->p == NULL || dkey->q == NULL || dkey->g == NULL
721 || dkey->pub_key == NULL)
723 if (!lend_tobn(dkey->p, btmp, dsa_plen))
726 if (!lend_tobn(dkey->q, btmp, 20))
729 if (!lend_tobn(dkey->g, btmp, dsa_plen))
732 if (!lend_tobn(dkey->pub_key, btmp, dsa_plen))
736 DSA_set_ex_data(dkey, dsa_capi_idx, key);
738 if ((ret = EVP_PKEY_new()) == NULL)
741 EVP_PKEY_assign_DSA(ret, dkey);
745 BIO_snprintf(algstr, 10, "%ux", bh->aiKeyAlg);
746 CAPIerr(CAPI_F_CAPI_GET_PKEY,
747 CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
748 ERR_add_error_data(2, "aiKeyAlg=0x", algstr);
753 OPENSSL_free(pubkey);
762 CAPIerr(CAPI_F_CAPI_GET_PKEY, ERR_R_MALLOC_FAILURE);
767 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
768 UI_METHOD *ui_method, void *callback_data)
773 ctx = ENGINE_get_ex_data(eng, capi_idx);
776 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
780 key = capi_find_key(ctx, key_id);
785 ret = capi_get_pkey(eng, key);
793 /* CryptoAPI RSA operations */
795 int capi_rsa_priv_enc(int flen, const unsigned char *from,
796 unsigned char *to, RSA *rsa, int padding)
798 CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
802 int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
803 unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
813 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
815 CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
817 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
819 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
822 /* Convert the signature type to a CryptoAPI algorithm ID */
845 alg = CALG_SSL3_SHAMD5;
850 BIO_snprintf(algstr, 10, "%x", dtype);
851 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID);
852 ERR_add_error_data(2, "NID=0x", algstr);
857 /* Create the hash object */
858 if (!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash)) {
859 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
863 /* Set the hash value to the value passed */
865 if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0)) {
866 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
871 /* Finally sign it */
872 slen = RSA_size(rsa);
873 if (!CryptSignHash(hash, capi_key->keyspec, NULL, 0, sigret, &slen)) {
874 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
879 /* Inplace byte reversal of signature */
880 for (i = 0; i < slen / 2; i++) {
883 sigret[i] = sigret[slen - i - 1];
884 sigret[slen - i - 1] = c;
892 CryptDestroyHash(hash);
897 int capi_rsa_priv_dec(int flen, const unsigned char *from,
898 unsigned char *to, RSA *rsa, int padding)
901 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)) == NULL) {
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 */
937 if (!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &dlen)) {
938 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
940 OPENSSL_free(tmpbuf);
943 memcpy(to, tmpbuf, (flen = (int)dlen));
945 OPENSSL_free(tmpbuf);
950 static int capi_rsa_free(RSA *rsa)
953 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
954 capi_free_key(capi_key);
955 RSA_set_ex_data(rsa, rsa_capi_idx, 0);
959 /* CryptoAPI DSA operations */
961 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
969 unsigned char csigbuf[40];
971 ctx = ENGINE_get_ex_data(dsa->engine, capi_idx);
973 CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n");
975 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
978 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY);
983 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH);
987 /* Create the hash object */
988 if (!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash)) {
989 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
994 /* Set the hash value to the value passed */
995 if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0)) {
996 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
1001 /* Finally sign it */
1002 slen = sizeof(csigbuf);
1003 if (!CryptSignHash(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen)) {
1004 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH);
1005 capi_addlasterror();
1008 ret = DSA_SIG_new();
1013 if (ret->r == NULL || ret->s == NULL)
1015 if (!lend_tobn(ret->r, csigbuf, 20)
1016 || !lend_tobn(ret->s, csigbuf + 20, 20)) {
1026 OPENSSL_cleanse(csigbuf, 40);
1027 CryptDestroyHash(hash);
1031 static int capi_dsa_free(DSA *dsa)
1034 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
1035 capi_free_key(capi_key);
1036 DSA_set_ex_data(dsa, dsa_capi_idx, 0);
1040 static void capi_vtrace(CAPI_CTX * ctx, int level, char *format,
1045 if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
1047 out = BIO_new_file(ctx->debug_file, "a+");
1049 CAPIerr(CAPI_F_CAPI_VTRACE, CAPI_R_FILE_OPEN_ERROR);
1052 BIO_vprintf(out, format, argptr);
1056 static void CAPI_trace(CAPI_CTX * ctx, char *format, ...)
1059 va_start(args, format);
1060 capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
1064 static void capi_addlasterror(void)
1066 capi_adderror(GetLastError());
1069 static void capi_adderror(DWORD err)
1072 BIO_snprintf(errstr, 10, "%lX", err);
1073 ERR_add_error_data(2, "Error code= 0x", errstr);
1076 static char *wide_to_asc(LPCWSTR wstr)
1083 len_0 = (int)wcslen(wstr) + 1; /* WideCharToMultiByte expects int */
1084 sz = WideCharToMultiByte(CP_ACP, 0, wstr, len_0, NULL, 0, NULL, NULL);
1086 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1089 str = OPENSSL_malloc(sz);
1091 CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
1094 if (!WideCharToMultiByte(CP_ACP, 0, wstr, len_0, str, sz, NULL, NULL)) {
1096 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1102 static int capi_get_provname(CAPI_CTX * ctx, LPSTR * pname, DWORD * ptype,
1107 CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
1108 if (!CryptEnumProviders(idx, NULL, 0, ptype, NULL, &len)) {
1109 err = GetLastError();
1110 if (err == ERROR_NO_MORE_ITEMS)
1112 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1116 name = OPENSSL_malloc(len);
1118 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, ERR_R_MALLOC_FAILURE);
1121 if (!CryptEnumProviders(idx, NULL, 0, ptype, name, &len)) {
1122 err = GetLastError();
1124 if (err == ERROR_NO_MORE_ITEMS)
1126 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1130 if (sizeof(TCHAR) != sizeof(char)) {
1131 *pname = wide_to_asc((WCHAR *)name);
1136 *pname = (char *)name;
1137 CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", *pname,
1143 static int capi_list_providers(CAPI_CTX * ctx, BIO *out)
1147 LPSTR provname = NULL;
1148 CAPI_trace(ctx, "capi_list_providers\n");
1149 BIO_printf(out, "Available CSPs:\n");
1150 for (idx = 0;; idx++) {
1151 ret = capi_get_provname(ctx, &provname, &ptype, idx);
1156 BIO_printf(out, "%lu. %s, type %lu\n", idx, provname, ptype);
1157 OPENSSL_free(provname);
1162 static int capi_list_containers(CAPI_CTX * ctx, BIO *out)
1166 DWORD err, idx, flags, buflen = 0, clen;
1168 LPTSTR cspname = NULL;
1170 CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname,
1172 if (ctx->cspname && sizeof(TCHAR) != sizeof(char)) {
1174 MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, NULL, 0))) {
1175 cspname = alloca(clen * sizeof(WCHAR));
1176 MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, (WCHAR *)cspname,
1180 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1181 capi_addlasterror();
1185 cspname = (TCHAR *)ctx->cspname;
1186 if (!CryptAcquireContext
1187 (&hprov, NULL, cspname, ctx->csptype, CRYPT_VERIFYCONTEXT)) {
1188 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS,
1189 CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1190 capi_addlasterror();
1193 if (!CryptGetProvParam
1194 (hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST)) {
1195 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1196 capi_addlasterror();
1197 CryptReleaseContext(hprov, 0);
1200 CAPI_trace(ctx, "Got max container len %d\n", buflen);
1203 cname = OPENSSL_malloc(buflen);
1204 if (cname == NULL) {
1205 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1209 for (idx = 0;; idx++) {
1214 flags = CRYPT_FIRST;
1217 if (!CryptGetProvParam
1218 (hprov, PP_ENUMCONTAINERS, (BYTE *) cname, &clen, flags)) {
1219 err = GetLastError();
1220 if (err == ERROR_NO_MORE_ITEMS)
1222 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1226 CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n",
1227 cname, clen, idx, flags);
1228 if (!cname[0] && (clen == buflen)) {
1229 CAPI_trace(ctx, "Enumerate bug: using workaround\n");
1232 BIO_printf(out, "%lu. %s\n", idx, cname);
1239 OPENSSL_free(cname);
1240 CryptReleaseContext(hprov, 0);
1245 static 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);
1254 if (pinfo == NULL) {
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 %lu\n", provname,
1285 BIO_printf(out, " Container Name: %s, Key Type %lu\n", contname,
1288 OPENSSL_free(provname);
1289 OPENSSL_free(contname);
1292 static char *capi_cert_get_fname(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
1297 CAPI_trace(ctx, "capi_cert_get_fname\n");
1298 if (!CertGetCertificateContextProperty
1299 (cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen))
1301 wfname = OPENSSL_malloc(dlen);
1304 if (CertGetCertificateContextProperty
1305 (cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen)) {
1306 char *fname = wide_to_asc(wfname);
1307 OPENSSL_free(wfname);
1310 CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME);
1311 capi_addlasterror();
1313 OPENSSL_free(wfname);
1317 static void capi_dump_cert(CAPI_CTX * ctx, BIO *out, PCCERT_CONTEXT cert)
1320 const unsigned char *p;
1321 unsigned long flags = ctx->dump_flags;
1322 if (flags & CAPI_DMP_FNAME) {
1324 fname = capi_cert_get_fname(ctx, cert);
1326 BIO_printf(out, " Friendly Name \"%s\"\n", fname);
1327 OPENSSL_free(fname);
1329 BIO_printf(out, " <No Friendly Name>\n");
1332 p = cert->pbCertEncoded;
1333 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1335 BIO_printf(out, " <Can't parse certificate>\n");
1336 if (flags & CAPI_DMP_SUMMARY) {
1337 BIO_printf(out, " Subject: ");
1338 X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
1339 BIO_printf(out, "\n Issuer: ");
1340 X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
1341 BIO_printf(out, "\n");
1343 if (flags & CAPI_DMP_FULL)
1344 X509_print_ex(out, x, XN_FLAG_ONELINE, 0);
1346 if (flags & CAPI_DMP_PKEYINFO) {
1347 CRYPT_KEY_PROV_INFO *pinfo;
1348 pinfo = capi_get_prov_info(ctx, cert);
1349 capi_dump_prov_info(ctx, out, pinfo);
1350 OPENSSL_free(pinfo);
1353 if (flags & CAPI_DMP_PEM)
1354 PEM_write_bio_X509(out, x);
1358 static HCERTSTORE capi_open_store(CAPI_CTX * ctx, char *storename)
1363 storename = ctx->storename;
1366 CAPI_trace(ctx, "Opening certificate store %s\n", storename);
1368 hstore = CertOpenStore(CERT_STORE_PROV_SYSTEM_A, 0, 0,
1369 ctx->store_flags, storename);
1371 CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE);
1372 capi_addlasterror();
1377 int capi_list_certs(CAPI_CTX * ctx, BIO *out, char *id)
1383 PCCERT_CONTEXT cert = NULL;
1385 storename = ctx->storename;
1388 CAPI_trace(ctx, "Listing certs for store %s\n", storename);
1390 hstore = capi_open_store(ctx, storename);
1394 cert = capi_find_cert(ctx, id, hstore);
1399 capi_dump_cert(ctx, out, cert);
1400 CertFreeCertificateContext(cert);
1402 for (idx = 0;; idx++) {
1403 cert = CertEnumCertificatesInStore(hstore, cert);
1406 BIO_printf(out, "Certificate %d\n", idx);
1407 capi_dump_cert(ctx, out, cert);
1411 CertCloseStore(hstore, 0);
1415 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX * ctx, const char *id,
1418 PCCERT_CONTEXT cert = NULL;
1421 switch (ctx->lookup_method) {
1422 case CAPI_LU_SUBSTR:
1423 return CertFindCertificateInStore(hstore,
1424 X509_ASN_ENCODING, 0,
1425 CERT_FIND_SUBJECT_STR_A, id, NULL);
1428 cert = CertEnumCertificatesInStore(hstore, cert);
1431 fname = capi_cert_get_fname(ctx, cert);
1433 if (strcmp(fname, id))
1437 OPENSSL_free(fname);
1447 static CAPI_KEY *capi_get_key(CAPI_CTX * ctx, const TCHAR *contname,
1448 TCHAR *provname, DWORD ptype, DWORD keyspec)
1451 CAPI_KEY *key = OPENSSL_malloc(sizeof(*key));
1455 if (sizeof(TCHAR) == sizeof(char))
1456 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1457 contname, provname, ptype);
1458 else if (ctx && ctx->debug_level >= CAPI_DBG_TRACE && ctx->debug_file) {
1459 /* above 'if' is optimization to minimize malloc-ations */
1460 char *_contname = wide_to_asc((WCHAR *)contname);
1461 char *_provname = wide_to_asc((WCHAR *)provname);
1463 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1464 _contname, _provname, ptype);
1465 OPENSSL_free(_provname);
1466 OPENSSL_free(_contname);
1468 if (ctx->store_flags & CERT_SYSTEM_STORE_LOCAL_MACHINE)
1469 dwFlags = CRYPT_MACHINE_KEYSET;
1470 if (!CryptAcquireContext(&key->hprov, contname, provname, ptype, dwFlags)) {
1471 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1472 capi_addlasterror();
1475 if (!CryptGetUserKey(key->hprov, keyspec, &key->key)) {
1476 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR);
1477 capi_addlasterror();
1478 CryptReleaseContext(key->hprov, 0);
1481 key->keyspec = keyspec;
1490 static CAPI_KEY *capi_get_cert_key(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
1492 CAPI_KEY *key = NULL;
1493 CRYPT_KEY_PROV_INFO *pinfo = NULL;
1494 char *provname = NULL, *contname = NULL;
1495 pinfo = capi_get_prov_info(ctx, cert);
1498 if (sizeof(TCHAR) != sizeof(char))
1499 key = capi_get_key(ctx, (TCHAR *)pinfo->pwszContainerName,
1500 (TCHAR *)pinfo->pwszProvName,
1501 pinfo->dwProvType, pinfo->dwKeySpec);
1503 provname = wide_to_asc(pinfo->pwszProvName);
1504 contname = wide_to_asc(pinfo->pwszContainerName);
1505 if (!provname || !contname)
1507 key = capi_get_key(ctx, (TCHAR *)contname, (TCHAR *)provname,
1508 pinfo->dwProvType, pinfo->dwKeySpec);
1512 OPENSSL_free(pinfo);
1513 OPENSSL_free(provname);
1514 OPENSSL_free(contname);
1518 CAPI_KEY *capi_find_key(CAPI_CTX * ctx, const char *id)
1520 PCCERT_CONTEXT cert;
1522 CAPI_KEY *key = NULL;
1523 switch (ctx->lookup_method) {
1524 case CAPI_LU_SUBSTR:
1526 hstore = capi_open_store(ctx, NULL);
1529 cert = capi_find_cert(ctx, id, hstore);
1531 key = capi_get_cert_key(ctx, cert);
1532 CertFreeCertificateContext(cert);
1534 CertCloseStore(hstore, 0);
1537 case CAPI_LU_CONTNAME:
1538 if (sizeof(TCHAR) != sizeof(char)) {
1539 WCHAR *contname, *provname;
1542 if ((len = MultiByteToWideChar(CP_ACP, 0, id, -1, NULL, 0)) &&
1543 (contname = alloca(len * sizeof(WCHAR)),
1544 MultiByteToWideChar(CP_ACP, 0, id, -1, contname, len)) &&
1546 MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, NULL, 0))
1548 alloca(len * sizeof(WCHAR)), MultiByteToWideChar(CP_ACP,
1555 capi_get_key(ctx, (TCHAR *)contname, (TCHAR *)provname,
1556 ctx->csptype, ctx->keytype);
1558 key = capi_get_key(ctx, (TCHAR *)id,
1559 (TCHAR *)ctx->cspname,
1560 ctx->csptype, ctx->keytype);
1567 void capi_free_key(CAPI_KEY * key)
1571 CryptDestroyKey(key->key);
1572 CryptReleaseContext(key->hprov, 0);
1574 CertFreeCertificateContext(key->pcert);
1578 /* Initialize a CAPI_CTX structure */
1580 static CAPI_CTX *capi_ctx_new(void)
1582 CAPI_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
1585 CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE);
1588 ctx->csptype = PROV_RSA_FULL;
1589 ctx->dump_flags = CAPI_DMP_SUMMARY | CAPI_DMP_FNAME;
1590 ctx->keytype = AT_KEYEXCHANGE;
1591 ctx->store_flags = CERT_STORE_OPEN_EXISTING_FLAG |
1592 CERT_STORE_READONLY_FLAG | CERT_SYSTEM_STORE_CURRENT_USER;
1593 ctx->lookup_method = CAPI_LU_SUBSTR;
1594 ctx->client_cert_select = cert_select_simple;
1598 static void capi_ctx_free(CAPI_CTX * ctx)
1600 CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx);
1603 OPENSSL_free(ctx->cspname);
1604 OPENSSL_free(ctx->debug_file);
1605 OPENSSL_free(ctx->storename);
1606 OPENSSL_free(ctx->ssl_client_store);
1610 static int capi_ctx_set_provname(CAPI_CTX * ctx, LPSTR pname, DWORD type,
1613 CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type);
1618 if (sizeof(TCHAR) != sizeof(char)) {
1620 if ((len = MultiByteToWideChar(CP_ACP, 0, pname, -1, NULL, 0))) {
1621 name = alloca(len * sizeof(WCHAR));
1622 MultiByteToWideChar(CP_ACP, 0, pname, -1, (WCHAR *)name, len);
1625 name = (TCHAR *)pname;
1627 if (!name || !CryptAcquireContext(&hprov, NULL, name, type,
1628 CRYPT_VERIFYCONTEXT)) {
1629 CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME,
1630 CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1631 capi_addlasterror();
1634 CryptReleaseContext(hprov, 0);
1636 OPENSSL_free(ctx->cspname);
1637 ctx->cspname = OPENSSL_strdup(pname);
1638 ctx->csptype = type;
1642 static int capi_ctx_set_provname_idx(CAPI_CTX * ctx, int idx)
1647 if (capi_get_provname(ctx, &pname, &type, idx) != 1)
1649 res = capi_ctx_set_provname(ctx, pname, type, 0);
1650 OPENSSL_free(pname);
1654 static int cert_issuer_match(STACK_OF(X509_NAME) *ca_dn, X509 *x)
1658 /* Special case: empty list: match anything */
1659 if (sk_X509_NAME_num(ca_dn) <= 0)
1661 for (i = 0; i < sk_X509_NAME_num(ca_dn); i++) {
1662 nm = sk_X509_NAME_value(ca_dn, i);
1663 if (!X509_NAME_cmp(nm, X509_get_issuer_name(x)))
1669 static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
1670 STACK_OF(X509_NAME) *ca_dn, X509 **pcert,
1671 EVP_PKEY **pkey, STACK_OF(X509) **pother,
1672 UI_METHOD *ui_method,
1673 void *callback_data)
1675 STACK_OF(X509) *certs = NULL;
1678 const unsigned char *p;
1679 int i, client_cert_idx;
1681 PCCERT_CONTEXT cert = NULL, excert = NULL;
1684 ctx = ENGINE_get_ex_data(e, capi_idx);
1689 storename = ctx->ssl_client_store;
1693 hstore = capi_open_store(ctx, storename);
1696 /* Enumerate all certificates collect any matches */
1698 cert = CertEnumCertificatesInStore(hstore, cert);
1701 p = cert->pbCertEncoded;
1702 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1704 CAPI_trace(ctx, "Can't Parse Certificate %d\n", i);
1707 if (cert_issuer_match(ca_dn, x)
1708 && X509_check_purpose(x, X509_PURPOSE_SSL_CLIENT, 0)) {
1709 key = capi_get_cert_key(ctx, cert);
1715 * Match found: attach extra data to it so we can retrieve the
1718 excert = CertDuplicateCertificateContext(cert);
1719 key->pcert = excert;
1720 X509_set_ex_data(x, cert_capi_idx, key);
1723 certs = sk_X509_new_null();
1725 sk_X509_push(certs, x);
1732 CertFreeCertificateContext(cert);
1734 CertCloseStore(hstore, 0);
1739 /* Select the appropriate certificate */
1741 client_cert_idx = ctx->client_cert_select(e, ssl, certs);
1743 /* Set the selected certificate and free the rest */
1745 for (i = 0; i < sk_X509_num(certs); i++) {
1746 x = sk_X509_value(certs, i);
1747 if (i == client_cert_idx)
1750 key = X509_get_ex_data(x, cert_capi_idx);
1756 sk_X509_free(certs);
1761 /* Setup key for selected certificate */
1763 key = X509_get_ex_data(*pcert, cert_capi_idx);
1764 *pkey = capi_get_pkey(e, key);
1765 X509_set_ex_data(*pcert, cert_capi_idx, NULL);
1771 /* Simple client cert selection function: always select first */
1773 static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1778 # ifdef OPENSSL_CAPIENG_DIALOG
1781 * More complex cert selection function, using standard function
1782 * CryptUIDlgSelectCertificateFromStore() to produce a dialog box.
1786 * Definitions which are in cryptuiapi.h but this is not present in older
1787 * versions of headers.
1790 # ifndef CRYPTUI_SELECT_LOCATION_COLUMN
1791 # define CRYPTUI_SELECT_LOCATION_COLUMN 0x000000010
1792 # define CRYPTUI_SELECT_INTENDEDUSE_COLUMN 0x000000004
1795 # define dlg_title L"OpenSSL Application SSL Client Certificate Selection"
1796 # define dlg_prompt L"Select a certificate to use for authentication"
1797 # define dlg_columns CRYPTUI_SELECT_LOCATION_COLUMN \
1798 |CRYPTUI_SELECT_INTENDEDUSE_COLUMN
1800 static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1804 PCCERT_CONTEXT cert;
1809 if (sk_X509_num(certs) == 1)
1811 ctx = ENGINE_get_ex_data(e, capi_idx);
1812 /* Create an in memory store of certificates */
1813 dstore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
1814 CERT_STORE_CREATE_NEW_FLAG, NULL);
1816 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_CREATING_STORE);
1817 capi_addlasterror();
1820 /* Add all certificates to store */
1821 for (i = 0; i < sk_X509_num(certs); i++) {
1822 x = sk_X509_value(certs, i);
1823 key = X509_get_ex_data(x, cert_capi_idx);
1825 if (!CertAddCertificateContextToStore(dstore, key->pcert,
1826 CERT_STORE_ADD_NEW, NULL)) {
1827 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_ADDING_CERT);
1828 capi_addlasterror();
1833 hwnd = GetForegroundWindow();
1835 hwnd = GetActiveWindow();
1836 if (!hwnd && ctx->getconswindow)
1837 hwnd = ctx->getconswindow();
1838 /* Call dialog to select one */
1839 cert = ctx->certselectdlg(dstore, hwnd, dlg_title, dlg_prompt,
1840 dlg_columns, 0, NULL);
1842 /* Find matching cert from list */
1844 for (i = 0; i < sk_X509_num(certs); i++) {
1845 x = sk_X509_value(certs, i);
1846 key = X509_get_ex_data(x, cert_capi_idx);
1847 if (CertCompareCertificate
1848 (X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, cert->pCertInfo,
1849 key->pcert->pCertInfo)) {
1858 CertCloseStore(dstore, 0);
1864 #else /* !__COMPILE_CAPIENG */
1865 # include <openssl/engine.h>
1866 # ifndef OPENSSL_NO_DYNAMIC_ENGINE
1868 int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns);
1870 int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns)
1875 IMPLEMENT_DYNAMIC_CHECK_FN()
1877 void ENGINE_load_capi(void)