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 # ifndef PROV_RSA_AES
137 # define PROV_RSA_AES 24
140 # include <openssl/engine.h>
141 # include <openssl/pem.h>
142 # include <openssl/x509v3.h>
144 # include "e_capi_err.h"
145 # include "e_capi_err.c"
147 static const char *engine_capi_id = "capi";
148 static const char *engine_capi_name = "CryptoAPI ENGINE";
150 typedef struct CAPI_CTX_st CAPI_CTX;
151 typedef struct CAPI_KEY_st CAPI_KEY;
153 static void capi_addlasterror(void);
154 static void capi_adderror(DWORD err);
156 static void CAPI_trace(CAPI_CTX * ctx, char *format, ...);
158 static int capi_list_providers(CAPI_CTX * ctx, BIO *out);
159 static int capi_list_containers(CAPI_CTX * ctx, BIO *out);
160 int capi_list_certs(CAPI_CTX * ctx, BIO *out, char *storename);
161 void capi_free_key(CAPI_KEY * key);
163 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX * ctx, const char *id,
166 CAPI_KEY *capi_find_key(CAPI_CTX * ctx, const char *id);
168 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
169 UI_METHOD *ui_method, void *callback_data);
170 static int capi_rsa_sign(int dtype, const unsigned char *m,
171 unsigned int m_len, unsigned char *sigret,
172 unsigned int *siglen, const RSA *rsa);
173 static int capi_rsa_priv_enc(int flen, const unsigned char *from,
174 unsigned char *to, RSA *rsa, int padding);
175 static int capi_rsa_priv_dec(int flen, const unsigned char *from,
176 unsigned char *to, RSA *rsa, int padding);
177 static int capi_rsa_free(RSA *rsa);
179 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
181 static int capi_dsa_free(DSA *dsa);
183 static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
184 STACK_OF(X509_NAME) *ca_dn, X509 **pcert,
185 EVP_PKEY **pkey, STACK_OF(X509) **pother,
186 UI_METHOD *ui_method,
187 void *callback_data);
189 static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
190 # ifdef OPENSSL_CAPIENG_DIALOG
191 static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
194 void engine_load_capi_internal(void);
196 typedef PCCERT_CONTEXT(WINAPI *CERTDLG) (HCERTSTORE, HWND, LPCWSTR,
197 LPCWSTR, DWORD, DWORD, void *);
198 typedef HWND(WINAPI *GETCONSWIN) (void);
201 * This structure contains CAPI ENGINE specific data: it contains various
202 * global options and affects how other functions behave.
205 # define CAPI_DBG_TRACE 2
206 # define CAPI_DBG_ERROR 1
211 /* Parameters to use for container lookup */
215 /* Certificate store name to use */
217 LPSTR ssl_client_store;
218 /* System store flags */
220 /* Lookup string meanings in load_private_key */
221 /* Substring of subject: uses "storename" */
222 # define CAPI_LU_SUBSTR 1
223 /* Friendly name: uses storename */
224 # define CAPI_LU_FNAME 2
225 /* Container name: uses cspname, keytype */
226 # define CAPI_LU_CONTNAME 3
228 /* Info to dump with dumpcerts option */
229 /* Issuer and serial name strings */
230 # define CAPI_DMP_SUMMARY 0x1
232 # define CAPI_DMP_FNAME 0x2
233 /* Full X509_print dump */
234 # define CAPI_DMP_FULL 0x4
235 /* Dump PEM format certificate */
236 # define CAPI_DMP_PEM 0x8
237 /* Dump pseudo key (if possible) */
238 # define CAPI_DMP_PSKEY 0x10
239 /* Dump key info (if possible) */
240 # define CAPI_DMP_PKEYINFO 0x20
242 int (*client_cert_select) (ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
243 CERTDLG certselectdlg;
244 GETCONSWIN getconswindow;
247 static CAPI_CTX *capi_ctx_new(void);
248 static void capi_ctx_free(CAPI_CTX * ctx);
249 static int capi_ctx_set_provname(CAPI_CTX * ctx, LPSTR pname, DWORD type,
251 static int capi_ctx_set_provname_idx(CAPI_CTX * ctx, int idx);
253 # define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE
254 # define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1)
255 # define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2)
256 # define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3)
257 # define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4)
258 # define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5)
259 # define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6)
260 # define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7)
261 # define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8)
262 # define CAPI_CMD_LIST_CONTAINERS (ENGINE_CMD_BASE + 9)
263 # define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10)
264 # define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11)
265 # define CAPI_CMD_STORE_NAME (ENGINE_CMD_BASE + 12)
266 # define CAPI_CMD_STORE_FLAGS (ENGINE_CMD_BASE + 13)
268 static const ENGINE_CMD_DEFN capi_cmd_defns[] = {
269 {CAPI_CMD_LIST_CERTS,
271 "List all certificates in store",
272 ENGINE_CMD_FLAG_NO_INPUT},
273 {CAPI_CMD_LOOKUP_CERT,
275 "Lookup and output certificates",
276 ENGINE_CMD_FLAG_STRING},
277 {CAPI_CMD_DEBUG_LEVEL,
279 "debug level (1=errors, 2=trace)",
280 ENGINE_CMD_FLAG_NUMERIC},
281 {CAPI_CMD_DEBUG_FILE,
283 "debugging filename)",
284 ENGINE_CMD_FLAG_STRING},
287 "Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE",
288 ENGINE_CMD_FLAG_NUMERIC},
292 ENGINE_CMD_FLAG_NO_INPUT},
293 {CAPI_CMD_SET_CSP_IDX,
296 ENGINE_CMD_FLAG_NUMERIC},
297 {CAPI_CMD_SET_CSP_NAME,
299 "Set CSP name, (default CSP used if not specified)",
300 ENGINE_CMD_FLAG_STRING},
301 {CAPI_CMD_SET_CSP_TYPE,
303 "Set CSP type, (default RSA_PROV_FULL)",
304 ENGINE_CMD_FLAG_NUMERIC},
305 {CAPI_CMD_LIST_CONTAINERS,
307 "list container names",
308 ENGINE_CMD_FLAG_NO_INPUT},
309 {CAPI_CMD_LIST_OPTIONS,
311 "Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, "
312 "32=private key info)",
313 ENGINE_CMD_FLAG_NUMERIC},
314 {CAPI_CMD_LOOKUP_METHOD,
316 "Set key lookup method (1=substring, 2=friendlyname, 3=container name)",
317 ENGINE_CMD_FLAG_NUMERIC},
318 {CAPI_CMD_STORE_NAME,
320 "certificate store name, default \"MY\"",
321 ENGINE_CMD_FLAG_STRING},
322 {CAPI_CMD_STORE_FLAGS,
324 "Certificate store flags: 1 = system store",
325 ENGINE_CMD_FLAG_NUMERIC},
330 static int capi_idx = -1;
331 static int rsa_capi_idx = -1;
332 static int dsa_capi_idx = -1;
333 static int cert_capi_idx = -1;
335 static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) (void))
340 if (capi_idx == -1) {
341 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED);
344 ctx = ENGINE_get_ex_data(e, capi_idx);
345 out = BIO_new_fp(stdout, BIO_NOCLOSE);
347 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_FILE_OPEN_ERROR);
351 case CAPI_CMD_LIST_CSPS:
352 ret = capi_list_providers(ctx, out);
355 case CAPI_CMD_LIST_CERTS:
356 ret = capi_list_certs(ctx, out, NULL);
359 case CAPI_CMD_LOOKUP_CERT:
360 ret = capi_list_certs(ctx, out, p);
363 case CAPI_CMD_LIST_CONTAINERS:
364 ret = capi_list_containers(ctx, out);
367 case CAPI_CMD_STORE_NAME:
368 OPENSSL_free(ctx->storename);
369 ctx->storename = OPENSSL_strdup(p);
370 CAPI_trace(ctx, "Setting store name to %s\n", p);
373 case CAPI_CMD_STORE_FLAGS:
375 ctx->store_flags |= CERT_SYSTEM_STORE_LOCAL_MACHINE;
376 ctx->store_flags &= ~CERT_SYSTEM_STORE_CURRENT_USER;
378 ctx->store_flags |= CERT_SYSTEM_STORE_CURRENT_USER;
379 ctx->store_flags &= ~CERT_SYSTEM_STORE_LOCAL_MACHINE;
381 CAPI_trace(ctx, "Setting flags to %d\n", i);
384 case CAPI_CMD_DEBUG_LEVEL:
385 ctx->debug_level = (int)i;
386 CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level);
389 case CAPI_CMD_DEBUG_FILE:
390 ctx->debug_file = OPENSSL_strdup(p);
391 CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file);
394 case CAPI_CMD_KEYTYPE:
396 CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype);
399 case CAPI_CMD_SET_CSP_IDX:
400 ret = capi_ctx_set_provname_idx(ctx, i);
403 case CAPI_CMD_LIST_OPTIONS:
407 case CAPI_CMD_LOOKUP_METHOD:
408 if (i < 1 || i > 3) {
409 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD);
413 ctx->lookup_method = i;
416 case CAPI_CMD_SET_CSP_NAME:
417 ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1);
420 case CAPI_CMD_SET_CSP_TYPE:
425 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND);
434 static RSA_METHOD capi_rsa_method = {
435 "CryptoAPI RSA method",
438 capi_rsa_priv_enc, /* priv_enc */
439 capi_rsa_priv_dec, /* priv_dec */
443 capi_rsa_free, /* finish */
446 capi_rsa_sign, /* rsa_sign */
450 static DSA_METHOD capi_dsa_method = {
451 "CryptoAPI DSA method",
452 capi_dsa_do_sign, /* dsa_do_sign */
453 0, /* dsa_sign_setup */
454 0, /* dsa_do_verify */
458 capi_dsa_free, /* finish */
461 0, /* dsa_paramgen */
465 static int use_aes_csp = 0;
467 static int capi_init(ENGINE *e)
470 const RSA_METHOD *ossl_rsa_meth;
471 const DSA_METHOD *ossl_dsa_meth;
475 capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0);
479 cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0);
481 /* Setup RSA_METHOD */
482 rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
483 ossl_rsa_meth = RSA_PKCS1_OpenSSL();
484 capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc;
485 capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec;
486 capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp;
487 capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp;
489 /* Setup DSA Method */
490 dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
491 ossl_dsa_meth = DSA_OpenSSL();
492 capi_dsa_method.dsa_do_verify = ossl_dsa_meth->dsa_do_verify;
493 capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp;
494 capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp;
497 ctx = capi_ctx_new();
501 ENGINE_set_ex_data(e, capi_idx, ctx);
503 # ifdef OPENSSL_CAPIENG_DIALOG
505 HMODULE cryptui = LoadLibrary(TEXT("CRYPTUI.DLL"));
506 HMODULE kernel = GetModuleHandle(TEXT("KERNEL32.DLL"));
509 (CERTDLG) GetProcAddress(cryptui,
510 "CryptUIDlgSelectCertificateFromStore");
513 (GETCONSWIN) GetProcAddress(kernel, "GetConsoleWindow");
514 if (cryptui && !OPENSSL_isservice())
515 ctx->client_cert_select = cert_select_dialog;
519 /* See if we support AES CSP */
521 if (CryptAcquireContext(&hprov, NULL, NULL, PROV_RSA_AES,
522 CRYPT_VERIFYCONTEXT)) {
524 CryptReleaseContext(hprov, 0);
530 CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE);
536 static int capi_destroy(ENGINE *e)
538 ERR_unload_CAPI_strings();
542 static int capi_finish(ENGINE *e)
545 ctx = ENGINE_get_ex_data(e, capi_idx);
547 ENGINE_set_ex_data(e, capi_idx, NULL);
552 * CryptoAPI key application data. This contains a handle to the private key
553 * container (for sign operations) and a handle to the key (for decrypt
558 /* Associated certificate context (if any) */
559 PCCERT_CONTEXT pcert;
565 static int bind_capi(ENGINE *e)
567 if (!ENGINE_set_id(e, engine_capi_id)
568 || !ENGINE_set_name(e, engine_capi_name)
569 || !ENGINE_set_flags(e, ENGINE_FLAGS_NO_REGISTER_ALL)
570 || !ENGINE_set_init_function(e, capi_init)
571 || !ENGINE_set_finish_function(e, capi_finish)
572 || !ENGINE_set_destroy_function(e, capi_destroy)
573 || !ENGINE_set_RSA(e, &capi_rsa_method)
574 || !ENGINE_set_DSA(e, &capi_dsa_method)
575 || !ENGINE_set_load_privkey_function(e, capi_load_privkey)
576 || !ENGINE_set_load_ssl_client_cert_function(e,
577 capi_load_ssl_client_cert)
578 || !ENGINE_set_cmd_defns(e, capi_cmd_defns)
579 || !ENGINE_set_ctrl_function(e, capi_ctrl))
581 ERR_load_CAPI_strings();
587 # ifndef OPENSSL_NO_DYNAMIC_ENGINE
588 static int bind_helper(ENGINE *e, const char *id)
590 if (id && (strcmp(id, engine_capi_id) != 0))
597 IMPLEMENT_DYNAMIC_CHECK_FN()
598 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
600 static ENGINE *engine_capi(void)
602 ENGINE *ret = ENGINE_new();
605 if (!bind_capi(ret)) {
612 void engine_load_capi_internal(void)
614 /* Copied from eng_[openssl|dyn].c */
615 ENGINE *toadd = engine_capi();
624 static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
628 * Reverse buffer in place: since this is a keyblob structure that will
629 * be freed up after conversion anyway it doesn't matter if we change
632 for (i = 0; i < binlen / 2; i++) {
635 bin[i] = bin[binlen - i - 1];
636 bin[binlen - i - 1] = c;
639 if (!BN_bin2bn(bin, binlen, bn))
644 /* Given a CAPI_KEY get an EVP_PKEY structure */
646 static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY * key)
648 unsigned char *pubkey = NULL;
653 EVP_PKEY *ret = NULL;
654 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len)) {
655 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
660 pubkey = OPENSSL_malloc(len);
665 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len)) {
666 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
671 bh = (BLOBHEADER *) pubkey;
672 if (bh->bType != PUBLICKEYBLOB) {
673 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
676 if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX) {
679 unsigned char *rsa_modulus;
680 rp = (RSAPUBKEY *) (bh + 1);
681 if (rp->magic != 0x31415352) {
683 BIO_snprintf(magstr, 10, "%lx", rp->magic);
684 CAPIerr(CAPI_F_CAPI_GET_PKEY,
685 CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
686 ERR_add_error_data(2, "magic=0x", magstr);
689 rsa_modulus = (unsigned char *)(rp + 1);
690 rkey = RSA_new_method(eng);
697 if (rkey->e == NULL || rkey->n == NULL)
700 if (!BN_set_word(rkey->e, rp->pubexp))
703 rsa_modlen = rp->bitlen / 8;
704 if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen))
707 RSA_set_ex_data(rkey, rsa_capi_idx, key);
709 if ((ret = EVP_PKEY_new()) == NULL)
712 EVP_PKEY_assign_RSA(ret, rkey);
715 } else if (bh->aiKeyAlg == CALG_DSS_SIGN) {
719 dp = (DSSPUBKEY *) (bh + 1);
720 if (dp->magic != 0x31535344) {
722 BIO_snprintf(magstr, 10, "%lx", dp->magic);
723 CAPIerr(CAPI_F_CAPI_GET_PKEY,
724 CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
725 ERR_add_error_data(2, "magic=0x", magstr);
728 dsa_plen = dp->bitlen / 8;
729 btmp = (unsigned char *)(dp + 1);
730 dkey = DSA_new_method(eng);
736 dkey->pub_key = BN_new();
737 if (dkey->p == NULL || dkey->q == NULL || dkey->g == NULL
738 || dkey->pub_key == NULL)
740 if (!lend_tobn(dkey->p, btmp, dsa_plen))
743 if (!lend_tobn(dkey->q, btmp, 20))
746 if (!lend_tobn(dkey->g, btmp, dsa_plen))
749 if (!lend_tobn(dkey->pub_key, btmp, dsa_plen))
753 DSA_set_ex_data(dkey, dsa_capi_idx, key);
755 if ((ret = EVP_PKEY_new()) == NULL)
758 EVP_PKEY_assign_DSA(ret, dkey);
762 BIO_snprintf(algstr, 10, "%ux", bh->aiKeyAlg);
763 CAPIerr(CAPI_F_CAPI_GET_PKEY,
764 CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
765 ERR_add_error_data(2, "aiKeyAlg=0x", algstr);
770 OPENSSL_free(pubkey);
779 CAPIerr(CAPI_F_CAPI_GET_PKEY, ERR_R_MALLOC_FAILURE);
784 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
785 UI_METHOD *ui_method, void *callback_data)
790 ctx = ENGINE_get_ex_data(eng, capi_idx);
793 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
797 key = capi_find_key(ctx, key_id);
802 ret = capi_get_pkey(eng, key);
810 /* CryptoAPI RSA operations */
812 int capi_rsa_priv_enc(int flen, const unsigned char *from,
813 unsigned char *to, RSA *rsa, int padding)
815 CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
819 int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
820 unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
830 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
832 CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
834 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
836 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
839 /* Convert the signature type to a CryptoAPI algorithm ID */
862 alg = CALG_SSL3_SHAMD5;
867 BIO_snprintf(algstr, 10, "%x", dtype);
868 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID);
869 ERR_add_error_data(2, "NID=0x", algstr);
874 /* Create the hash object */
875 if (!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash)) {
876 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
880 /* Set the hash value to the value passed */
882 if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0)) {
883 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
888 /* Finally sign it */
889 slen = RSA_size(rsa);
890 if (!CryptSignHash(hash, capi_key->keyspec, NULL, 0, sigret, &slen)) {
891 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
896 /* Inplace byte reversal of signature */
897 for (i = 0; i < slen / 2; i++) {
900 sigret[i] = sigret[slen - i - 1];
901 sigret[slen - i - 1] = c;
909 CryptDestroyHash(hash);
914 int capi_rsa_priv_dec(int flen, const unsigned char *from,
915 unsigned char *to, RSA *rsa, int padding)
918 unsigned char *tmpbuf;
926 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
928 CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n");
930 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
932 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY);
936 if (padding != RSA_PKCS1_PADDING) {
938 BIO_snprintf(errstr, 10, "%d", padding);
939 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
940 ERR_add_error_data(2, "padding=", errstr);
944 /* Create temp reverse order version of input */
945 if ((tmpbuf = OPENSSL_malloc(flen)) == NULL) {
946 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE);
949 for (i = 0; i < flen; i++)
950 tmpbuf[flen - i - 1] = from[i];
952 /* Finally decrypt it */
954 if (!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &dlen)) {
955 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
957 OPENSSL_free(tmpbuf);
960 memcpy(to, tmpbuf, (flen = (int)dlen));
962 OPENSSL_free(tmpbuf);
967 static int capi_rsa_free(RSA *rsa)
970 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
971 capi_free_key(capi_key);
972 RSA_set_ex_data(rsa, rsa_capi_idx, 0);
976 /* CryptoAPI DSA operations */
978 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
986 unsigned char csigbuf[40];
988 ctx = ENGINE_get_ex_data(dsa->engine, capi_idx);
990 CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n");
992 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
995 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY);
1000 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH);
1004 /* Create the hash object */
1005 if (!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash)) {
1006 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
1007 capi_addlasterror();
1011 /* Set the hash value to the value passed */
1012 if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0)) {
1013 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
1014 capi_addlasterror();
1018 /* Finally sign it */
1019 slen = sizeof(csigbuf);
1020 if (!CryptSignHash(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen)) {
1021 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH);
1022 capi_addlasterror();
1025 BIGNUM *r = NULL, *s = NULL;
1026 ret = DSA_SIG_new();
1029 DSA_SIG_get0(&r, &s, ret);
1030 if (!lend_tobn(r, csigbuf, 20)
1031 || !lend_tobn(s, csigbuf + 20, 20)) {
1041 OPENSSL_cleanse(csigbuf, 40);
1042 CryptDestroyHash(hash);
1046 static int capi_dsa_free(DSA *dsa)
1049 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
1050 capi_free_key(capi_key);
1051 DSA_set_ex_data(dsa, dsa_capi_idx, 0);
1055 static void capi_vtrace(CAPI_CTX * ctx, int level, char *format,
1060 if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
1062 out = BIO_new_file(ctx->debug_file, "a+");
1064 CAPIerr(CAPI_F_CAPI_VTRACE, CAPI_R_FILE_OPEN_ERROR);
1067 BIO_vprintf(out, format, argptr);
1071 static void CAPI_trace(CAPI_CTX * ctx, char *format, ...)
1074 va_start(args, format);
1075 capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
1079 static void capi_addlasterror(void)
1081 capi_adderror(GetLastError());
1084 static void capi_adderror(DWORD err)
1087 BIO_snprintf(errstr, 10, "%lX", err);
1088 ERR_add_error_data(2, "Error code= 0x", errstr);
1091 static char *wide_to_asc(LPCWSTR wstr)
1098 len_0 = (int)wcslen(wstr) + 1; /* WideCharToMultiByte expects int */
1099 sz = WideCharToMultiByte(CP_ACP, 0, wstr, len_0, NULL, 0, NULL, NULL);
1101 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1104 str = OPENSSL_malloc(sz);
1106 CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
1109 if (!WideCharToMultiByte(CP_ACP, 0, wstr, len_0, str, sz, NULL, NULL)) {
1111 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1117 static int capi_get_provname(CAPI_CTX * ctx, LPSTR * pname, DWORD * ptype,
1122 CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
1123 if (!CryptEnumProviders(idx, NULL, 0, ptype, NULL, &len)) {
1124 err = GetLastError();
1125 if (err == ERROR_NO_MORE_ITEMS)
1127 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1131 name = OPENSSL_malloc(len);
1133 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, ERR_R_MALLOC_FAILURE);
1136 if (!CryptEnumProviders(idx, NULL, 0, ptype, name, &len)) {
1137 err = GetLastError();
1139 if (err == ERROR_NO_MORE_ITEMS)
1141 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1145 if (sizeof(TCHAR) != sizeof(char)) {
1146 *pname = wide_to_asc((WCHAR *)name);
1151 *pname = (char *)name;
1152 CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", *pname,
1158 static int capi_list_providers(CAPI_CTX * ctx, BIO *out)
1162 LPSTR provname = NULL;
1163 CAPI_trace(ctx, "capi_list_providers\n");
1164 BIO_printf(out, "Available CSPs:\n");
1165 for (idx = 0;; idx++) {
1166 ret = capi_get_provname(ctx, &provname, &ptype, idx);
1171 BIO_printf(out, "%lu. %s, type %lu\n", idx, provname, ptype);
1172 OPENSSL_free(provname);
1177 static int capi_list_containers(CAPI_CTX * ctx, BIO *out)
1181 DWORD err, idx, flags, buflen = 0, clen;
1183 LPTSTR cspname = NULL;
1185 CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname,
1187 if (ctx->cspname && sizeof(TCHAR) != sizeof(char)) {
1189 MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, NULL, 0))) {
1190 cspname = alloca(clen * sizeof(WCHAR));
1191 MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, (WCHAR *)cspname,
1195 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1196 capi_addlasterror();
1200 cspname = (TCHAR *)ctx->cspname;
1201 if (!CryptAcquireContext
1202 (&hprov, NULL, cspname, ctx->csptype, CRYPT_VERIFYCONTEXT)) {
1203 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS,
1204 CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1205 capi_addlasterror();
1208 if (!CryptGetProvParam
1209 (hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST)) {
1210 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1211 capi_addlasterror();
1212 CryptReleaseContext(hprov, 0);
1215 CAPI_trace(ctx, "Got max container len %d\n", buflen);
1218 cname = OPENSSL_malloc(buflen);
1219 if (cname == NULL) {
1220 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1224 for (idx = 0;; idx++) {
1229 flags = CRYPT_FIRST;
1232 if (!CryptGetProvParam
1233 (hprov, PP_ENUMCONTAINERS, (BYTE *) cname, &clen, flags)) {
1234 err = GetLastError();
1235 if (err == ERROR_NO_MORE_ITEMS)
1237 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1241 CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n",
1242 cname, clen, idx, flags);
1243 if (!cname[0] && (clen == buflen)) {
1244 CAPI_trace(ctx, "Enumerate bug: using workaround\n");
1247 BIO_printf(out, "%lu. %s\n", idx, cname);
1254 OPENSSL_free(cname);
1255 CryptReleaseContext(hprov, 0);
1260 static CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
1263 CRYPT_KEY_PROV_INFO *pinfo;
1265 if (!CertGetCertificateContextProperty
1266 (cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len))
1268 pinfo = OPENSSL_malloc(len);
1269 if (pinfo == NULL) {
1270 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE);
1273 if (!CertGetCertificateContextProperty
1274 (cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len)) {
1275 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO,
1276 CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO);
1277 capi_addlasterror();
1278 OPENSSL_free(pinfo);
1284 static void capi_dump_prov_info(CAPI_CTX * ctx, BIO *out,
1285 CRYPT_KEY_PROV_INFO * pinfo)
1287 char *provname = NULL, *contname = NULL;
1289 BIO_printf(out, " No Private Key\n");
1292 provname = wide_to_asc(pinfo->pwszProvName);
1293 contname = wide_to_asc(pinfo->pwszContainerName);
1294 if (!provname || !contname)
1297 BIO_printf(out, " Private Key Info:\n");
1298 BIO_printf(out, " Provider Name: %s, Provider Type %lu\n", provname,
1300 BIO_printf(out, " Container Name: %s, Key Type %lu\n", contname,
1303 OPENSSL_free(provname);
1304 OPENSSL_free(contname);
1307 static char *capi_cert_get_fname(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
1312 CAPI_trace(ctx, "capi_cert_get_fname\n");
1313 if (!CertGetCertificateContextProperty
1314 (cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen))
1316 wfname = OPENSSL_malloc(dlen);
1319 if (CertGetCertificateContextProperty
1320 (cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen)) {
1321 char *fname = wide_to_asc(wfname);
1322 OPENSSL_free(wfname);
1325 CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME);
1326 capi_addlasterror();
1328 OPENSSL_free(wfname);
1332 static void capi_dump_cert(CAPI_CTX * ctx, BIO *out, PCCERT_CONTEXT cert)
1335 const unsigned char *p;
1336 unsigned long flags = ctx->dump_flags;
1337 if (flags & CAPI_DMP_FNAME) {
1339 fname = capi_cert_get_fname(ctx, cert);
1341 BIO_printf(out, " Friendly Name \"%s\"\n", fname);
1342 OPENSSL_free(fname);
1344 BIO_printf(out, " <No Friendly Name>\n");
1347 p = cert->pbCertEncoded;
1348 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1350 BIO_printf(out, " <Can't parse certificate>\n");
1351 if (flags & CAPI_DMP_SUMMARY) {
1352 BIO_printf(out, " Subject: ");
1353 X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
1354 BIO_printf(out, "\n Issuer: ");
1355 X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
1356 BIO_printf(out, "\n");
1358 if (flags & CAPI_DMP_FULL)
1359 X509_print_ex(out, x, XN_FLAG_ONELINE, 0);
1361 if (flags & CAPI_DMP_PKEYINFO) {
1362 CRYPT_KEY_PROV_INFO *pinfo;
1363 pinfo = capi_get_prov_info(ctx, cert);
1364 capi_dump_prov_info(ctx, out, pinfo);
1365 OPENSSL_free(pinfo);
1368 if (flags & CAPI_DMP_PEM)
1369 PEM_write_bio_X509(out, x);
1373 static HCERTSTORE capi_open_store(CAPI_CTX * ctx, char *storename)
1378 storename = ctx->storename;
1381 CAPI_trace(ctx, "Opening certificate store %s\n", storename);
1383 hstore = CertOpenStore(CERT_STORE_PROV_SYSTEM_A, 0, 0,
1384 ctx->store_flags, storename);
1386 CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE);
1387 capi_addlasterror();
1392 int capi_list_certs(CAPI_CTX * ctx, BIO *out, char *id)
1398 PCCERT_CONTEXT cert = NULL;
1400 storename = ctx->storename;
1403 CAPI_trace(ctx, "Listing certs for store %s\n", storename);
1405 hstore = capi_open_store(ctx, storename);
1409 cert = capi_find_cert(ctx, id, hstore);
1414 capi_dump_cert(ctx, out, cert);
1415 CertFreeCertificateContext(cert);
1417 for (idx = 0;; idx++) {
1418 cert = CertEnumCertificatesInStore(hstore, cert);
1421 BIO_printf(out, "Certificate %d\n", idx);
1422 capi_dump_cert(ctx, out, cert);
1426 CertCloseStore(hstore, 0);
1430 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX * ctx, const char *id,
1433 PCCERT_CONTEXT cert = NULL;
1436 switch (ctx->lookup_method) {
1437 case CAPI_LU_SUBSTR:
1438 return CertFindCertificateInStore(hstore,
1439 X509_ASN_ENCODING, 0,
1440 CERT_FIND_SUBJECT_STR_A, id, NULL);
1443 cert = CertEnumCertificatesInStore(hstore, cert);
1446 fname = capi_cert_get_fname(ctx, cert);
1448 if (strcmp(fname, id))
1452 OPENSSL_free(fname);
1462 static CAPI_KEY *capi_get_key(CAPI_CTX * ctx, const TCHAR *contname,
1463 TCHAR *provname, DWORD ptype, DWORD keyspec)
1466 CAPI_KEY *key = OPENSSL_malloc(sizeof(*key));
1470 /* If PROV_RSA_AES supported use it instead */
1471 if (ptype == PROV_RSA_FULL && use_aes_csp) {
1473 ptype = PROV_RSA_AES;
1474 CAPI_trace(ctx, "capi_get_key, contname=%s, RSA_AES_CSP\n", contname);
1475 } else if (sizeof(TCHAR) == sizeof(char)) {
1476 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1477 contname, provname, ptype);
1478 } else if (ctx && ctx->debug_level >= CAPI_DBG_TRACE && ctx->debug_file) {
1479 /* above 'if' is optimization to minimize malloc-ations */
1480 char *_contname = wide_to_asc((WCHAR *)contname);
1481 char *_provname = wide_to_asc((WCHAR *)provname);
1483 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1484 _contname, _provname, ptype);
1485 OPENSSL_free(_provname);
1486 OPENSSL_free(_contname);
1488 if (ctx->store_flags & CERT_SYSTEM_STORE_LOCAL_MACHINE)
1489 dwFlags = CRYPT_MACHINE_KEYSET;
1490 if (!CryptAcquireContext(&key->hprov, contname, provname, ptype, dwFlags)) {
1491 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1492 capi_addlasterror();
1495 if (!CryptGetUserKey(key->hprov, keyspec, &key->key)) {
1496 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR);
1497 capi_addlasterror();
1498 CryptReleaseContext(key->hprov, 0);
1501 key->keyspec = keyspec;
1510 static CAPI_KEY *capi_get_cert_key(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
1512 CAPI_KEY *key = NULL;
1513 CRYPT_KEY_PROV_INFO *pinfo = NULL;
1514 char *provname = NULL, *contname = NULL;
1515 pinfo = capi_get_prov_info(ctx, cert);
1518 if (sizeof(TCHAR) != sizeof(char))
1519 key = capi_get_key(ctx, (TCHAR *)pinfo->pwszContainerName,
1520 (TCHAR *)pinfo->pwszProvName,
1521 pinfo->dwProvType, pinfo->dwKeySpec);
1523 provname = wide_to_asc(pinfo->pwszProvName);
1524 contname = wide_to_asc(pinfo->pwszContainerName);
1525 if (!provname || !contname)
1527 key = capi_get_key(ctx, (TCHAR *)contname, (TCHAR *)provname,
1528 pinfo->dwProvType, pinfo->dwKeySpec);
1532 OPENSSL_free(pinfo);
1533 OPENSSL_free(provname);
1534 OPENSSL_free(contname);
1538 CAPI_KEY *capi_find_key(CAPI_CTX * ctx, const char *id)
1540 PCCERT_CONTEXT cert;
1542 CAPI_KEY *key = NULL;
1543 switch (ctx->lookup_method) {
1544 case CAPI_LU_SUBSTR:
1546 hstore = capi_open_store(ctx, NULL);
1549 cert = capi_find_cert(ctx, id, hstore);
1551 key = capi_get_cert_key(ctx, cert);
1552 CertFreeCertificateContext(cert);
1554 CertCloseStore(hstore, 0);
1557 case CAPI_LU_CONTNAME:
1558 if (sizeof(TCHAR) != sizeof(char)) {
1559 WCHAR *contname, *provname;
1562 if ((len = MultiByteToWideChar(CP_ACP, 0, id, -1, NULL, 0)) &&
1563 (contname = alloca(len * sizeof(WCHAR)),
1564 MultiByteToWideChar(CP_ACP, 0, id, -1, contname, len)) &&
1566 MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, NULL, 0))
1568 alloca(len * sizeof(WCHAR)), MultiByteToWideChar(CP_ACP,
1575 capi_get_key(ctx, (TCHAR *)contname, (TCHAR *)provname,
1576 ctx->csptype, ctx->keytype);
1578 key = capi_get_key(ctx, (TCHAR *)id,
1579 (TCHAR *)ctx->cspname,
1580 ctx->csptype, ctx->keytype);
1587 void capi_free_key(CAPI_KEY * key)
1591 CryptDestroyKey(key->key);
1592 CryptReleaseContext(key->hprov, 0);
1594 CertFreeCertificateContext(key->pcert);
1598 /* Initialize a CAPI_CTX structure */
1600 static CAPI_CTX *capi_ctx_new(void)
1602 CAPI_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
1605 CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE);
1608 ctx->csptype = PROV_RSA_FULL;
1609 ctx->dump_flags = CAPI_DMP_SUMMARY | CAPI_DMP_FNAME;
1610 ctx->keytype = AT_KEYEXCHANGE;
1611 ctx->store_flags = CERT_STORE_OPEN_EXISTING_FLAG |
1612 CERT_STORE_READONLY_FLAG | CERT_SYSTEM_STORE_CURRENT_USER;
1613 ctx->lookup_method = CAPI_LU_SUBSTR;
1614 ctx->client_cert_select = cert_select_simple;
1618 static void capi_ctx_free(CAPI_CTX * ctx)
1620 CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx);
1623 OPENSSL_free(ctx->cspname);
1624 OPENSSL_free(ctx->debug_file);
1625 OPENSSL_free(ctx->storename);
1626 OPENSSL_free(ctx->ssl_client_store);
1630 static int capi_ctx_set_provname(CAPI_CTX * ctx, LPSTR pname, DWORD type,
1633 CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type);
1638 if (sizeof(TCHAR) != sizeof(char)) {
1640 if ((len = MultiByteToWideChar(CP_ACP, 0, pname, -1, NULL, 0))) {
1641 name = alloca(len * sizeof(WCHAR));
1642 MultiByteToWideChar(CP_ACP, 0, pname, -1, (WCHAR *)name, len);
1645 name = (TCHAR *)pname;
1647 if (!name || !CryptAcquireContext(&hprov, NULL, name, type,
1648 CRYPT_VERIFYCONTEXT)) {
1649 CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME,
1650 CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1651 capi_addlasterror();
1654 CryptReleaseContext(hprov, 0);
1656 OPENSSL_free(ctx->cspname);
1657 ctx->cspname = OPENSSL_strdup(pname);
1658 ctx->csptype = type;
1662 static int capi_ctx_set_provname_idx(CAPI_CTX * ctx, int idx)
1667 if (capi_get_provname(ctx, &pname, &type, idx) != 1)
1669 res = capi_ctx_set_provname(ctx, pname, type, 0);
1670 OPENSSL_free(pname);
1674 static int cert_issuer_match(STACK_OF(X509_NAME) *ca_dn, X509 *x)
1678 /* Special case: empty list: match anything */
1679 if (sk_X509_NAME_num(ca_dn) <= 0)
1681 for (i = 0; i < sk_X509_NAME_num(ca_dn); i++) {
1682 nm = sk_X509_NAME_value(ca_dn, i);
1683 if (!X509_NAME_cmp(nm, X509_get_issuer_name(x)))
1689 static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
1690 STACK_OF(X509_NAME) *ca_dn, X509 **pcert,
1691 EVP_PKEY **pkey, STACK_OF(X509) **pother,
1692 UI_METHOD *ui_method,
1693 void *callback_data)
1695 STACK_OF(X509) *certs = NULL;
1698 const unsigned char *p;
1699 int i, client_cert_idx;
1701 PCCERT_CONTEXT cert = NULL, excert = NULL;
1704 ctx = ENGINE_get_ex_data(e, capi_idx);
1709 storename = ctx->ssl_client_store;
1713 hstore = capi_open_store(ctx, storename);
1716 /* Enumerate all certificates collect any matches */
1718 cert = CertEnumCertificatesInStore(hstore, cert);
1721 p = cert->pbCertEncoded;
1722 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1724 CAPI_trace(ctx, "Can't Parse Certificate %d\n", i);
1727 if (cert_issuer_match(ca_dn, x)
1728 && X509_check_purpose(x, X509_PURPOSE_SSL_CLIENT, 0)) {
1729 key = capi_get_cert_key(ctx, cert);
1735 * Match found: attach extra data to it so we can retrieve the
1738 excert = CertDuplicateCertificateContext(cert);
1739 key->pcert = excert;
1740 X509_set_ex_data(x, cert_capi_idx, key);
1743 certs = sk_X509_new_null();
1745 sk_X509_push(certs, x);
1752 CertFreeCertificateContext(cert);
1754 CertCloseStore(hstore, 0);
1759 /* Select the appropriate certificate */
1761 client_cert_idx = ctx->client_cert_select(e, ssl, certs);
1763 /* Set the selected certificate and free the rest */
1765 for (i = 0; i < sk_X509_num(certs); i++) {
1766 x = sk_X509_value(certs, i);
1767 if (i == client_cert_idx)
1770 key = X509_get_ex_data(x, cert_capi_idx);
1776 sk_X509_free(certs);
1781 /* Setup key for selected certificate */
1783 key = X509_get_ex_data(*pcert, cert_capi_idx);
1784 *pkey = capi_get_pkey(e, key);
1785 X509_set_ex_data(*pcert, cert_capi_idx, NULL);
1791 /* Simple client cert selection function: always select first */
1793 static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1798 # ifdef OPENSSL_CAPIENG_DIALOG
1801 * More complex cert selection function, using standard function
1802 * CryptUIDlgSelectCertificateFromStore() to produce a dialog box.
1806 * Definitions which are in cryptuiapi.h but this is not present in older
1807 * versions of headers.
1810 # ifndef CRYPTUI_SELECT_LOCATION_COLUMN
1811 # define CRYPTUI_SELECT_LOCATION_COLUMN 0x000000010
1812 # define CRYPTUI_SELECT_INTENDEDUSE_COLUMN 0x000000004
1815 # define dlg_title L"OpenSSL Application SSL Client Certificate Selection"
1816 # define dlg_prompt L"Select a certificate to use for authentication"
1817 # define dlg_columns CRYPTUI_SELECT_LOCATION_COLUMN \
1818 |CRYPTUI_SELECT_INTENDEDUSE_COLUMN
1820 static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1824 PCCERT_CONTEXT cert;
1829 if (sk_X509_num(certs) == 1)
1831 ctx = ENGINE_get_ex_data(e, capi_idx);
1832 /* Create an in memory store of certificates */
1833 dstore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
1834 CERT_STORE_CREATE_NEW_FLAG, NULL);
1836 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_CREATING_STORE);
1837 capi_addlasterror();
1840 /* Add all certificates to store */
1841 for (i = 0; i < sk_X509_num(certs); i++) {
1842 x = sk_X509_value(certs, i);
1843 key = X509_get_ex_data(x, cert_capi_idx);
1845 if (!CertAddCertificateContextToStore(dstore, key->pcert,
1846 CERT_STORE_ADD_NEW, NULL)) {
1847 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_ADDING_CERT);
1848 capi_addlasterror();
1853 hwnd = GetForegroundWindow();
1855 hwnd = GetActiveWindow();
1856 if (!hwnd && ctx->getconswindow)
1857 hwnd = ctx->getconswindow();
1858 /* Call dialog to select one */
1859 cert = ctx->certselectdlg(dstore, hwnd, dlg_title, dlg_prompt,
1860 dlg_columns, 0, NULL);
1862 /* Find matching cert from list */
1864 for (i = 0; i < sk_X509_num(certs); i++) {
1865 x = sk_X509_value(certs, i);
1866 key = X509_get_ex_data(x, cert_capi_idx);
1867 if (CertCompareCertificate
1868 (X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, cert->pCertInfo,
1869 key->pcert->pCertInfo)) {
1878 CertCloseStore(dstore, 0);
1884 #else /* !__COMPILE_CAPIENG */
1885 # include <openssl/engine.h>
1886 # ifndef OPENSSL_NO_DYNAMIC_ENGINE
1888 int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns);
1890 int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns)
1895 IMPLEMENT_DYNAMIC_CHECK_FN()
1897 void engine_load_capi_internal(void);
1898 void engine_load_capi_internal(void)