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
104 /* Definitions which may be missing from earlier version of headers */
105 # ifndef CERT_STORE_OPEN_EXISTING_FLAG
106 # define CERT_STORE_OPEN_EXISTING_FLAG 0x00004000
109 # ifndef CERT_STORE_CREATE_NEW_FLAG
110 # define CERT_STORE_CREATE_NEW_FLAG 0x00002000
113 # ifndef CERT_SYSTEM_STORE_CURRENT_USER
114 # define CERT_SYSTEM_STORE_CURRENT_USER 0x00010000
117 # ifndef ALG_SID_SHA_256
118 # define ALG_SID_SHA_256 12
120 # ifndef ALG_SID_SHA_384
121 # define ALG_SID_SHA_384 13
123 # ifndef ALG_SID_SHA_512
124 # define ALG_SID_SHA_512 14
127 # ifndef CALG_SHA_256
128 # define CALG_SHA_256 (ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_256)
130 # ifndef CALG_SHA_384
131 # define CALG_SHA_384 (ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_384)
133 # ifndef CALG_SHA_512
134 # define CALG_SHA_512 (ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_512)
137 # include <openssl/engine.h>
138 # include <openssl/pem.h>
139 # include <openssl/x509v3.h>
141 # include "e_capi_err.h"
142 # include "e_capi_err.c"
144 static const char *engine_capi_id = "capi";
145 static const char *engine_capi_name = "CryptoAPI ENGINE";
147 typedef struct CAPI_CTX_st CAPI_CTX;
148 typedef struct CAPI_KEY_st CAPI_KEY;
150 static void capi_addlasterror(void);
151 static void capi_adderror(DWORD err);
153 static void CAPI_trace(CAPI_CTX * ctx, char *format, ...);
155 static int capi_list_providers(CAPI_CTX * ctx, BIO *out);
156 static int capi_list_containers(CAPI_CTX * ctx, BIO *out);
157 int capi_list_certs(CAPI_CTX * ctx, BIO *out, char *storename);
158 void capi_free_key(CAPI_KEY * key);
160 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX * ctx, const char *id,
163 CAPI_KEY *capi_find_key(CAPI_CTX * ctx, const char *id);
165 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
166 UI_METHOD *ui_method, void *callback_data);
167 static int capi_rsa_sign(int dtype, const unsigned char *m,
168 unsigned int m_len, unsigned char *sigret,
169 unsigned int *siglen, const RSA *rsa);
170 static int capi_rsa_priv_enc(int flen, const unsigned char *from,
171 unsigned char *to, RSA *rsa, int padding);
172 static int capi_rsa_priv_dec(int flen, const unsigned char *from,
173 unsigned char *to, RSA *rsa, int padding);
174 static int capi_rsa_free(RSA *rsa);
176 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
178 static int capi_dsa_free(DSA *dsa);
180 static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
181 STACK_OF(X509_NAME) *ca_dn, X509 **pcert,
182 EVP_PKEY **pkey, STACK_OF(X509) **pother,
183 UI_METHOD *ui_method,
184 void *callback_data);
186 static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
187 # ifdef OPENSSL_CAPIENG_DIALOG
188 static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
191 typedef PCCERT_CONTEXT(WINAPI *CERTDLG) (HCERTSTORE, HWND, LPCWSTR,
192 LPCWSTR, DWORD, DWORD, void *);
193 typedef HWND(WINAPI *GETCONSWIN) (void);
196 * This structure contains CAPI ENGINE specific data: it contains various
197 * global options and affects how other functions behave.
200 # define CAPI_DBG_TRACE 2
201 # define CAPI_DBG_ERROR 1
206 /* Parameters to use for container lookup */
210 /* Certificate store name to use */
212 LPSTR ssl_client_store;
213 /* System store flags */
215 /* Lookup string meanings in load_private_key */
216 /* Substring of subject: uses "storename" */
217 # define CAPI_LU_SUBSTR 1
218 /* Friendly name: uses storename */
219 # define CAPI_LU_FNAME 2
220 /* Container name: uses cspname, keytype */
221 # define CAPI_LU_CONTNAME 3
223 /* Info to dump with dumpcerts option */
224 /* Issuer and serial name strings */
225 # define CAPI_DMP_SUMMARY 0x1
227 # define CAPI_DMP_FNAME 0x2
228 /* Full X509_print dump */
229 # define CAPI_DMP_FULL 0x4
230 /* Dump PEM format certificate */
231 # define CAPI_DMP_PEM 0x8
232 /* Dump pseudo key (if possible) */
233 # define CAPI_DMP_PSKEY 0x10
234 /* Dump key info (if possible) */
235 # define CAPI_DMP_PKEYINFO 0x20
237 int (*client_cert_select) (ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
238 CERTDLG certselectdlg;
239 GETCONSWIN getconswindow;
242 static CAPI_CTX *capi_ctx_new();
243 static void capi_ctx_free(CAPI_CTX * ctx);
244 static int capi_ctx_set_provname(CAPI_CTX * ctx, LPSTR pname, DWORD type,
246 static int capi_ctx_set_provname_idx(CAPI_CTX * ctx, int idx);
248 # define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE
249 # define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1)
250 # define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2)
251 # define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3)
252 # define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4)
253 # define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5)
254 # define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6)
255 # define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7)
256 # define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8)
257 # define CAPI_CMD_LIST_CONTAINERS (ENGINE_CMD_BASE + 9)
258 # define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10)
259 # define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11)
260 # define CAPI_CMD_STORE_NAME (ENGINE_CMD_BASE + 12)
261 # define CAPI_CMD_STORE_FLAGS (ENGINE_CMD_BASE + 13)
263 static const ENGINE_CMD_DEFN capi_cmd_defns[] = {
264 {CAPI_CMD_LIST_CERTS,
266 "List all certificates in store",
267 ENGINE_CMD_FLAG_NO_INPUT},
268 {CAPI_CMD_LOOKUP_CERT,
270 "Lookup and output certificates",
271 ENGINE_CMD_FLAG_STRING},
272 {CAPI_CMD_DEBUG_LEVEL,
274 "debug level (1=errors, 2=trace)",
275 ENGINE_CMD_FLAG_NUMERIC},
276 {CAPI_CMD_DEBUG_FILE,
278 "debugging filename)",
279 ENGINE_CMD_FLAG_STRING},
282 "Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE",
283 ENGINE_CMD_FLAG_NUMERIC},
287 ENGINE_CMD_FLAG_NO_INPUT},
288 {CAPI_CMD_SET_CSP_IDX,
291 ENGINE_CMD_FLAG_NUMERIC},
292 {CAPI_CMD_SET_CSP_NAME,
294 "Set CSP name, (default CSP used if not specified)",
295 ENGINE_CMD_FLAG_STRING},
296 {CAPI_CMD_SET_CSP_TYPE,
298 "Set CSP type, (default RSA_PROV_FULL)",
299 ENGINE_CMD_FLAG_NUMERIC},
300 {CAPI_CMD_LIST_CONTAINERS,
302 "list container names",
303 ENGINE_CMD_FLAG_NO_INPUT},
304 {CAPI_CMD_LIST_OPTIONS,
306 "Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, "
307 "32=private key info)",
308 ENGINE_CMD_FLAG_NUMERIC},
309 {CAPI_CMD_LOOKUP_METHOD,
311 "Set key lookup method (1=substring, 2=friendlyname, 3=container name)",
312 ENGINE_CMD_FLAG_NUMERIC},
313 {CAPI_CMD_STORE_NAME,
315 "certificate store name, default \"MY\"",
316 ENGINE_CMD_FLAG_STRING},
317 {CAPI_CMD_STORE_FLAGS,
319 "Certificate store flags: 1 = system store",
320 ENGINE_CMD_FLAG_NUMERIC},
325 static int capi_idx = -1;
326 static int rsa_capi_idx = -1;
327 static int dsa_capi_idx = -1;
328 static int cert_capi_idx = -1;
330 static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) (void))
335 if (capi_idx == -1) {
336 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED);
339 ctx = ENGINE_get_ex_data(e, capi_idx);
340 out = BIO_new_fp(stdout, BIO_NOCLOSE);
342 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_FILE_OPEN_ERROR);
346 case CAPI_CMD_LIST_CSPS:
347 ret = capi_list_providers(ctx, out);
350 case CAPI_CMD_LIST_CERTS:
351 ret = capi_list_certs(ctx, out, NULL);
354 case CAPI_CMD_LOOKUP_CERT:
355 ret = capi_list_certs(ctx, out, p);
358 case CAPI_CMD_LIST_CONTAINERS:
359 ret = capi_list_containers(ctx, out);
362 case CAPI_CMD_STORE_NAME:
364 OPENSSL_free(ctx->storename);
365 ctx->storename = BUF_strdup(p);
366 CAPI_trace(ctx, "Setting store name to %s\n", p);
369 case CAPI_CMD_STORE_FLAGS:
371 ctx->store_flags |= CERT_SYSTEM_STORE_LOCAL_MACHINE;
372 ctx->store_flags &= ~CERT_SYSTEM_STORE_CURRENT_USER;
374 ctx->store_flags |= CERT_SYSTEM_STORE_CURRENT_USER;
375 ctx->store_flags &= ~CERT_SYSTEM_STORE_LOCAL_MACHINE;
377 CAPI_trace(ctx, "Setting flags to %d\n", i);
380 case CAPI_CMD_DEBUG_LEVEL:
381 ctx->debug_level = (int)i;
382 CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level);
385 case CAPI_CMD_DEBUG_FILE:
386 ctx->debug_file = BUF_strdup(p);
387 CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file);
390 case CAPI_CMD_KEYTYPE:
392 CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype);
395 case CAPI_CMD_SET_CSP_IDX:
396 ret = capi_ctx_set_provname_idx(ctx, i);
399 case CAPI_CMD_LIST_OPTIONS:
403 case CAPI_CMD_LOOKUP_METHOD:
404 if (i < 1 || i > 3) {
405 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD);
409 ctx->lookup_method = i;
412 case CAPI_CMD_SET_CSP_NAME:
413 ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1);
416 case CAPI_CMD_SET_CSP_TYPE:
421 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND);
430 static RSA_METHOD capi_rsa_method = {
431 "CryptoAPI RSA method",
434 capi_rsa_priv_enc, /* priv_enc */
435 capi_rsa_priv_dec, /* priv_dec */
439 capi_rsa_free, /* finish */
440 RSA_FLAG_SIGN_VER, /* flags */
442 capi_rsa_sign, /* rsa_sign */
446 static DSA_METHOD capi_dsa_method = {
447 "CryptoAPI DSA method",
448 capi_dsa_do_sign, /* dsa_do_sign */
449 0, /* dsa_sign_setup */
450 0, /* dsa_do_verify */
454 capi_dsa_free, /* finish */
457 0, /* dsa_paramgen */
461 static int capi_init(ENGINE *e)
464 const RSA_METHOD *ossl_rsa_meth;
465 const DSA_METHOD *ossl_dsa_meth;
468 capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0);
472 cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0);
474 /* Setup RSA_METHOD */
475 rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
476 ossl_rsa_meth = RSA_PKCS1_SSLeay();
477 capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc;
478 capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec;
479 capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp;
480 capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp;
482 /* Setup DSA Method */
483 dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
484 ossl_dsa_meth = DSA_OpenSSL();
485 capi_dsa_method.dsa_do_verify = ossl_dsa_meth->dsa_do_verify;
486 capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp;
487 capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp;
490 ctx = capi_ctx_new();
494 ENGINE_set_ex_data(e, capi_idx, ctx);
496 # ifdef OPENSSL_CAPIENG_DIALOG
498 HMODULE cryptui = LoadLibrary(TEXT("CRYPTUI.DLL"));
499 HMODULE kernel = GetModuleHandle(TEXT("KERNEL32.DLL"));
502 (CERTDLG) GetProcAddress(cryptui,
503 "CryptUIDlgSelectCertificateFromStore");
506 (GETCONSWIN) GetProcAddress(kernel, "GetConsoleWindow");
507 if (cryptui && !OPENSSL_isservice())
508 ctx->client_cert_select = cert_select_dialog;
515 CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE);
521 static int capi_destroy(ENGINE *e)
523 ERR_unload_CAPI_strings();
527 static int capi_finish(ENGINE *e)
530 ctx = ENGINE_get_ex_data(e, capi_idx);
532 ENGINE_set_ex_data(e, capi_idx, NULL);
537 * CryptoAPI key application data. This contains a handle to the private key
538 * container (for sign operations) and a handle to the key (for decrypt
543 /* Associated certificate context (if any) */
544 PCCERT_CONTEXT pcert;
550 static int bind_capi(ENGINE *e)
552 if (!ENGINE_set_id(e, engine_capi_id)
553 || !ENGINE_set_name(e, engine_capi_name)
554 || !ENGINE_set_flags(e, ENGINE_FLAGS_NO_REGISTER_ALL)
555 || !ENGINE_set_init_function(e, capi_init)
556 || !ENGINE_set_finish_function(e, capi_finish)
557 || !ENGINE_set_destroy_function(e, capi_destroy)
558 || !ENGINE_set_RSA(e, &capi_rsa_method)
559 || !ENGINE_set_DSA(e, &capi_dsa_method)
560 || !ENGINE_set_load_privkey_function(e, capi_load_privkey)
561 || !ENGINE_set_load_ssl_client_cert_function(e,
562 capi_load_ssl_client_cert)
563 || !ENGINE_set_cmd_defns(e, capi_cmd_defns)
564 || !ENGINE_set_ctrl_function(e, capi_ctrl))
566 ERR_load_CAPI_strings();
572 # ifndef OPENSSL_NO_DYNAMIC_ENGINE
573 static int bind_helper(ENGINE *e, const char *id)
575 if (id && (strcmp(id, engine_capi_id) != 0))
582 IMPLEMENT_DYNAMIC_CHECK_FN()
583 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
585 static ENGINE *engine_capi(void)
587 ENGINE *ret = ENGINE_new();
590 if (!bind_capi(ret)) {
597 void ENGINE_load_capi(void)
599 /* Copied from eng_[openssl|dyn].c */
600 ENGINE *toadd = engine_capi();
609 static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
613 * Reverse buffer in place: since this is a keyblob structure that will
614 * be freed up after conversion anyway it doesn't matter if we change
617 for (i = 0; i < binlen / 2; i++) {
620 bin[i] = bin[binlen - i - 1];
621 bin[binlen - i - 1] = c;
624 if (!BN_bin2bn(bin, binlen, bn))
629 /* Given a CAPI_KEY get an EVP_PKEY structure */
631 static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY * key)
633 unsigned char *pubkey = NULL;
638 EVP_PKEY *ret = NULL;
639 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len)) {
640 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
645 pubkey = OPENSSL_malloc(len);
650 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len)) {
651 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
656 bh = (BLOBHEADER *) pubkey;
657 if (bh->bType != PUBLICKEYBLOB) {
658 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
661 if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX) {
664 unsigned char *rsa_modulus;
665 rp = (RSAPUBKEY *) (bh + 1);
666 if (rp->magic != 0x31415352) {
668 BIO_snprintf(magstr, 10, "%lx", rp->magic);
669 CAPIerr(CAPI_F_CAPI_GET_PKEY,
670 CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
671 ERR_add_error_data(2, "magic=0x", magstr);
674 rsa_modulus = (unsigned char *)(rp + 1);
675 rkey = RSA_new_method(eng);
682 if (!rkey->e || !rkey->n)
685 if (!BN_set_word(rkey->e, rp->pubexp))
688 rsa_modlen = rp->bitlen / 8;
689 if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen))
692 RSA_set_ex_data(rkey, rsa_capi_idx, key);
694 if (!(ret = EVP_PKEY_new()))
697 EVP_PKEY_assign_RSA(ret, rkey);
700 } else if (bh->aiKeyAlg == CALG_DSS_SIGN) {
704 dp = (DSSPUBKEY *) (bh + 1);
705 if (dp->magic != 0x31535344) {
707 BIO_snprintf(magstr, 10, "%lx", dp->magic);
708 CAPIerr(CAPI_F_CAPI_GET_PKEY,
709 CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
710 ERR_add_error_data(2, "magic=0x", magstr);
713 dsa_plen = dp->bitlen / 8;
714 btmp = (unsigned char *)(dp + 1);
715 dkey = DSA_new_method(eng);
721 dkey->pub_key = BN_new();
722 if (!dkey->p || !dkey->q || !dkey->g || !dkey->pub_key)
724 if (!lend_tobn(dkey->p, btmp, dsa_plen))
727 if (!lend_tobn(dkey->q, btmp, 20))
730 if (!lend_tobn(dkey->g, btmp, dsa_plen))
733 if (!lend_tobn(dkey->pub_key, btmp, dsa_plen))
737 DSA_set_ex_data(dkey, dsa_capi_idx, key);
739 if (!(ret = EVP_PKEY_new()))
742 EVP_PKEY_assign_DSA(ret, dkey);
746 BIO_snprintf(algstr, 10, "%lx", bh->aiKeyAlg);
747 CAPIerr(CAPI_F_CAPI_GET_PKEY,
748 CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
749 ERR_add_error_data(2, "aiKeyAlg=0x", algstr);
755 OPENSSL_free(pubkey);
764 CAPIerr(CAPI_F_CAPI_GET_PKEY, ERR_R_MALLOC_FAILURE);
769 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
770 UI_METHOD *ui_method, void *callback_data)
775 ctx = ENGINE_get_ex_data(eng, capi_idx);
778 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
782 key = capi_find_key(ctx, key_id);
787 ret = capi_get_pkey(eng, key);
795 /* CryptoAPI RSA operations */
797 int capi_rsa_priv_enc(int flen, const unsigned char *from,
798 unsigned char *to, RSA *rsa, int padding)
800 CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
804 int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
805 unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
815 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
817 CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
819 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
821 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
824 /* Convert the signature type to a CryptoAPI algorithm ID */
847 alg = CALG_SSL3_SHAMD5;
852 BIO_snprintf(algstr, 10, "%lx", dtype);
853 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID);
854 ERR_add_error_data(2, "NID=0x", algstr);
859 /* Create the hash object */
860 if (!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash)) {
861 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
865 /* Set the hash value to the value passed */
867 if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0)) {
868 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
873 /* Finally sign it */
874 slen = RSA_size(rsa);
875 if (!CryptSignHash(hash, capi_key->keyspec, NULL, 0, sigret, &slen)) {
876 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
881 /* Inplace byte reversal of signature */
882 for (i = 0; i < slen / 2; i++) {
885 sigret[i] = sigret[slen - i - 1];
886 sigret[slen - i - 1] = c;
894 CryptDestroyHash(hash);
899 int capi_rsa_priv_dec(int flen, const unsigned char *from,
900 unsigned char *to, RSA *rsa, int padding)
903 unsigned char *tmpbuf;
906 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
908 CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n");
910 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
912 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY);
916 if (padding != RSA_PKCS1_PADDING) {
918 BIO_snprintf(errstr, 10, "%d", padding);
919 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
920 ERR_add_error_data(2, "padding=", errstr);
924 /* Create temp reverse order version of input */
925 if (!(tmpbuf = OPENSSL_malloc(flen))) {
926 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE);
929 for (i = 0; i < flen; i++)
930 tmpbuf[flen - i - 1] = from[i];
932 /* Finally decrypt it */
933 if (!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &flen)) {
934 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
936 OPENSSL_free(tmpbuf);
939 memcpy(to, tmpbuf, flen);
941 OPENSSL_free(tmpbuf);
946 static int capi_rsa_free(RSA *rsa)
949 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
950 capi_free_key(capi_key);
951 RSA_set_ex_data(rsa, rsa_capi_idx, 0);
955 /* CryptoAPI DSA operations */
957 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
965 unsigned char csigbuf[40];
967 ctx = ENGINE_get_ex_data(dsa->engine, capi_idx);
969 CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n");
971 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
974 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY);
979 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH);
983 /* Create the hash object */
984 if (!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash)) {
985 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
990 /* Set the hash value to the value passed */
991 if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0)) {
992 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
997 /* Finally sign it */
998 slen = sizeof(csigbuf);
999 if (!CryptSignHash(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen)) {
1000 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH);
1001 capi_addlasterror();
1004 ret = DSA_SIG_new();
1009 if (!ret->r || !ret->s)
1011 if (!lend_tobn(ret->r, csigbuf, 20)
1012 || !lend_tobn(ret->s, csigbuf + 20, 20)) {
1022 OPENSSL_cleanse(csigbuf, 40);
1023 CryptDestroyHash(hash);
1027 static int capi_dsa_free(DSA *dsa)
1030 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
1031 capi_free_key(capi_key);
1032 DSA_set_ex_data(dsa, dsa_capi_idx, 0);
1036 static void capi_vtrace(CAPI_CTX * ctx, int level, char *format,
1041 if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
1043 out = BIO_new_file(ctx->debug_file, "a+");
1045 CAPIerr(CAPI_F_CAPI_VTRACE, CAPI_R_FILE_OPEN_ERROR);
1048 BIO_vprintf(out, format, argptr);
1052 static void CAPI_trace(CAPI_CTX * ctx, char *format, ...)
1055 va_start(args, format);
1056 capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
1060 static void capi_addlasterror(void)
1062 capi_adderror(GetLastError());
1065 static void capi_adderror(DWORD err)
1068 BIO_snprintf(errstr, 10, "%lX", err);
1069 ERR_add_error_data(2, "Error code= 0x", errstr);
1072 static char *wide_to_asc(LPCWSTR wstr)
1079 len_0 = (int)wcslen(wstr) + 1; /* WideCharToMultiByte expects int */
1080 sz = WideCharToMultiByte(CP_ACP, 0, wstr, len_0, NULL, 0, NULL, NULL);
1082 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1085 str = OPENSSL_malloc(sz);
1087 CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
1090 if (!WideCharToMultiByte(CP_ACP, 0, wstr, len_0, str, sz, NULL, NULL)) {
1092 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1098 static int capi_get_provname(CAPI_CTX * ctx, LPSTR * pname, DWORD * ptype,
1103 CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
1104 if (!CryptEnumProviders(idx, NULL, 0, ptype, NULL, &len)) {
1105 err = GetLastError();
1106 if (err == ERROR_NO_MORE_ITEMS)
1108 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1112 name = OPENSSL_malloc(len);
1114 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, ERR_R_MALLOC_FAILURE);
1117 if (!CryptEnumProviders(idx, NULL, 0, ptype, name, &len)) {
1118 err = GetLastError();
1120 if (err == ERROR_NO_MORE_ITEMS)
1122 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1126 if (sizeof(TCHAR) != sizeof(char)) {
1127 *pname = wide_to_asc((WCHAR *)name);
1132 *pname = (char *)name;
1133 CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", *pname,
1139 static int capi_list_providers(CAPI_CTX * ctx, BIO *out)
1143 LPSTR provname = NULL;
1144 CAPI_trace(ctx, "capi_list_providers\n");
1145 BIO_printf(out, "Available CSPs:\n");
1146 for (idx = 0;; idx++) {
1147 ret = capi_get_provname(ctx, &provname, &ptype, idx);
1152 BIO_printf(out, "%d. %s, type %d\n", idx, provname, ptype);
1153 OPENSSL_free(provname);
1158 static int capi_list_containers(CAPI_CTX * ctx, BIO *out)
1162 DWORD err, idx, flags, buflen = 0, clen;
1164 LPTSTR cspname = NULL;
1166 CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname,
1168 if (ctx->cspname && sizeof(TCHAR) != sizeof(char)) {
1170 MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, NULL, 0))) {
1171 cspname = alloca(clen * sizeof(WCHAR));
1172 MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, (WCHAR *)cspname,
1176 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1177 capi_addlasterror();
1181 cspname = (TCHAR *)ctx->cspname;
1182 if (!CryptAcquireContext
1183 (&hprov, NULL, cspname, ctx->csptype, CRYPT_VERIFYCONTEXT)) {
1184 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS,
1185 CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1186 capi_addlasterror();
1189 if (!CryptGetProvParam
1190 (hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST)) {
1191 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1192 capi_addlasterror();
1193 CryptReleaseContext(hprov, 0);
1196 CAPI_trace(ctx, "Got max container len %d\n", buflen);
1199 cname = OPENSSL_malloc(buflen);
1201 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1205 for (idx = 0;; idx++) {
1210 flags = CRYPT_FIRST;
1213 if (!CryptGetProvParam
1214 (hprov, PP_ENUMCONTAINERS, (BYTE *) cname, &clen, flags)) {
1215 err = GetLastError();
1216 if (err == ERROR_NO_MORE_ITEMS)
1218 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1222 CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n",
1223 cname, clen, idx, flags);
1224 if (!cname[0] && (clen == buflen)) {
1225 CAPI_trace(ctx, "Enumerate bug: using workaround\n");
1228 BIO_printf(out, "%d. %s\n", idx, cname);
1236 OPENSSL_free(cname);
1237 CryptReleaseContext(hprov, 0);
1242 CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
1245 CRYPT_KEY_PROV_INFO *pinfo;
1247 if (!CertGetCertificateContextProperty
1248 (cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len))
1250 pinfo = OPENSSL_malloc(len);
1252 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE);
1255 if (!CertGetCertificateContextProperty
1256 (cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len)) {
1257 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO,
1258 CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO);
1259 capi_addlasterror();
1260 OPENSSL_free(pinfo);
1266 static void capi_dump_prov_info(CAPI_CTX * ctx, BIO *out,
1267 CRYPT_KEY_PROV_INFO * pinfo)
1269 char *provname = NULL, *contname = NULL;
1271 BIO_printf(out, " No Private Key\n");
1274 provname = wide_to_asc(pinfo->pwszProvName);
1275 contname = wide_to_asc(pinfo->pwszContainerName);
1276 if (!provname || !contname)
1279 BIO_printf(out, " Private Key Info:\n");
1280 BIO_printf(out, " Provider Name: %s, Provider Type %d\n", provname,
1282 BIO_printf(out, " Container Name: %s, Key Type %d\n", contname,
1286 OPENSSL_free(provname);
1288 OPENSSL_free(contname);
1291 char *capi_cert_get_fname(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
1296 CAPI_trace(ctx, "capi_cert_get_fname\n");
1297 if (!CertGetCertificateContextProperty
1298 (cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen))
1300 wfname = OPENSSL_malloc(dlen);
1303 if (CertGetCertificateContextProperty
1304 (cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen)) {
1305 char *fname = wide_to_asc(wfname);
1306 OPENSSL_free(wfname);
1309 CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME);
1310 capi_addlasterror();
1312 OPENSSL_free(wfname);
1316 void capi_dump_cert(CAPI_CTX * ctx, BIO *out, PCCERT_CONTEXT cert)
1320 unsigned long flags = ctx->dump_flags;
1321 if (flags & CAPI_DMP_FNAME) {
1323 fname = capi_cert_get_fname(ctx, cert);
1325 BIO_printf(out, " Friendly Name \"%s\"\n", fname);
1326 OPENSSL_free(fname);
1328 BIO_printf(out, " <No Friendly Name>\n");
1331 p = cert->pbCertEncoded;
1332 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1334 BIO_printf(out, " <Can't parse certificate>\n");
1335 if (flags & CAPI_DMP_SUMMARY) {
1336 BIO_printf(out, " Subject: ");
1337 X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
1338 BIO_printf(out, "\n Issuer: ");
1339 X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
1340 BIO_printf(out, "\n");
1342 if (flags & CAPI_DMP_FULL)
1343 X509_print_ex(out, x, XN_FLAG_ONELINE, 0);
1345 if (flags & CAPI_DMP_PKEYINFO) {
1346 CRYPT_KEY_PROV_INFO *pinfo;
1347 pinfo = capi_get_prov_info(ctx, cert);
1348 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 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)
1452 key = OPENSSL_malloc(sizeof(CAPI_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);
1466 OPENSSL_free(_provname);
1468 OPENSSL_free(_contname);
1470 if (ctx->store_flags & CERT_SYSTEM_STORE_LOCAL_MACHINE)
1471 dwFlags = CRYPT_MACHINE_KEYSET;
1472 if (!CryptAcquireContext(&key->hprov, contname, provname, ptype, dwFlags)) {
1473 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1474 capi_addlasterror();
1477 if (!CryptGetUserKey(key->hprov, keyspec, &key->key)) {
1478 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR);
1479 capi_addlasterror();
1480 CryptReleaseContext(key->hprov, 0);
1483 key->keyspec = keyspec;
1492 static CAPI_KEY *capi_get_cert_key(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
1494 CAPI_KEY *key = NULL;
1495 CRYPT_KEY_PROV_INFO *pinfo = NULL;
1496 char *provname = NULL, *contname = NULL;
1497 pinfo = capi_get_prov_info(ctx, cert);
1500 if (sizeof(TCHAR) != sizeof(char))
1501 key = capi_get_key(ctx, (TCHAR *)pinfo->pwszContainerName,
1502 (TCHAR *)pinfo->pwszProvName,
1503 pinfo->dwProvType, pinfo->dwKeySpec);
1505 provname = wide_to_asc(pinfo->pwszProvName);
1506 contname = wide_to_asc(pinfo->pwszContainerName);
1507 if (!provname || !contname)
1509 key = capi_get_key(ctx, (TCHAR *)contname, (TCHAR *)provname,
1510 pinfo->dwProvType, pinfo->dwKeySpec);
1515 OPENSSL_free(pinfo);
1517 OPENSSL_free(provname);
1519 OPENSSL_free(contname);
1523 CAPI_KEY *capi_find_key(CAPI_CTX * ctx, const char *id)
1525 PCCERT_CONTEXT cert;
1527 CAPI_KEY *key = NULL;
1528 switch (ctx->lookup_method) {
1529 case CAPI_LU_SUBSTR:
1531 hstore = capi_open_store(ctx, NULL);
1534 cert = capi_find_cert(ctx, id, hstore);
1536 key = capi_get_cert_key(ctx, cert);
1537 CertFreeCertificateContext(cert);
1539 CertCloseStore(hstore, 0);
1542 case CAPI_LU_CONTNAME:
1543 if (sizeof(TCHAR) != sizeof(char)) {
1544 WCHAR *contname, *provname;
1547 if ((len = MultiByteToWideChar(CP_ACP, 0, id, -1, NULL, 0)) &&
1548 (contname = alloca(len * sizeof(WCHAR)),
1549 MultiByteToWideChar(CP_ACP, 0, id, -1, contname, len)) &&
1551 MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, NULL, 0))
1553 alloca(len * sizeof(WCHAR)), MultiByteToWideChar(CP_ACP,
1560 capi_get_key(ctx, (TCHAR *)contname, (TCHAR *)provname,
1561 ctx->csptype, ctx->keytype);
1563 key = capi_get_key(ctx, (TCHAR *)id,
1564 (TCHAR *)ctx->cspname,
1565 ctx->csptype, ctx->keytype);
1572 void capi_free_key(CAPI_KEY * key)
1576 CryptDestroyKey(key->key);
1577 CryptReleaseContext(key->hprov, 0);
1579 CertFreeCertificateContext(key->pcert);
1583 /* Initialize a CAPI_CTX structure */
1585 static CAPI_CTX *capi_ctx_new()
1588 ctx = OPENSSL_malloc(sizeof(CAPI_CTX));
1590 CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE);
1593 ctx->cspname = NULL;
1594 ctx->csptype = PROV_RSA_FULL;
1595 ctx->dump_flags = CAPI_DMP_SUMMARY | CAPI_DMP_FNAME;
1596 ctx->keytype = AT_KEYEXCHANGE;
1597 ctx->storename = NULL;
1598 ctx->ssl_client_store = NULL;
1599 ctx->store_flags = CERT_STORE_OPEN_EXISTING_FLAG |
1600 CERT_STORE_READONLY_FLAG | CERT_SYSTEM_STORE_CURRENT_USER;
1601 ctx->lookup_method = CAPI_LU_SUBSTR;
1602 ctx->debug_level = 0;
1603 ctx->debug_file = NULL;
1604 ctx->client_cert_select = cert_select_simple;
1608 static void capi_ctx_free(CAPI_CTX * ctx)
1610 CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx);
1614 OPENSSL_free(ctx->cspname);
1615 if (ctx->debug_file)
1616 OPENSSL_free(ctx->debug_file);
1618 OPENSSL_free(ctx->storename);
1619 if (ctx->ssl_client_store)
1620 OPENSSL_free(ctx->ssl_client_store);
1624 static int capi_ctx_set_provname(CAPI_CTX * ctx, LPSTR pname, DWORD type,
1627 CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type);
1632 if (sizeof(TCHAR) != sizeof(char)) {
1634 if ((len = MultiByteToWideChar(CP_ACP, 0, pname, -1, NULL, 0))) {
1635 name = alloca(len * sizeof(WCHAR));
1636 MultiByteToWideChar(CP_ACP, 0, pname, -1, (WCHAR *)name, len);
1639 name = (TCHAR *)pname;
1641 if (!name || !CryptAcquireContext(&hprov, NULL, name, type,
1642 CRYPT_VERIFYCONTEXT)) {
1643 CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME,
1644 CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1645 capi_addlasterror();
1648 CryptReleaseContext(hprov, 0);
1651 OPENSSL_free(ctx->cspname);
1652 ctx->cspname = BUF_strdup(pname);
1653 ctx->csptype = type;
1657 static int capi_ctx_set_provname_idx(CAPI_CTX * ctx, int idx)
1662 if (capi_get_provname(ctx, &pname, &type, idx) != 1)
1664 res = capi_ctx_set_provname(ctx, pname, type, 0);
1665 OPENSSL_free(pname);
1669 static int cert_issuer_match(STACK_OF(X509_NAME) *ca_dn, X509 *x)
1673 /* Special case: empty list: match anything */
1674 if (sk_X509_NAME_num(ca_dn) <= 0)
1676 for (i = 0; i < sk_X509_NAME_num(ca_dn); i++) {
1677 nm = sk_X509_NAME_value(ca_dn, i);
1678 if (!X509_NAME_cmp(nm, X509_get_issuer_name(x)))
1684 static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
1685 STACK_OF(X509_NAME) *ca_dn, X509 **pcert,
1686 EVP_PKEY **pkey, STACK_OF(X509) **pother,
1687 UI_METHOD *ui_method,
1688 void *callback_data)
1690 STACK_OF(X509) *certs = NULL;
1694 int i, client_cert_idx;
1696 PCCERT_CONTEXT cert = NULL, excert = NULL;
1699 ctx = ENGINE_get_ex_data(e, capi_idx);
1704 storename = ctx->ssl_client_store;
1708 hstore = capi_open_store(ctx, storename);
1711 /* Enumerate all certificates collect any matches */
1713 cert = CertEnumCertificatesInStore(hstore, cert);
1716 p = cert->pbCertEncoded;
1717 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1719 CAPI_trace(ctx, "Can't Parse Certificate %d\n", i);
1722 if (cert_issuer_match(ca_dn, x)
1723 && X509_check_purpose(x, X509_PURPOSE_SSL_CLIENT, 0)) {
1724 key = capi_get_cert_key(ctx, cert);
1730 * Match found: attach extra data to it so we can retrieve the
1733 excert = CertDuplicateCertificateContext(cert);
1734 key->pcert = excert;
1735 X509_set_ex_data(x, cert_capi_idx, key);
1738 certs = sk_X509_new_null();
1740 sk_X509_push(certs, x);
1747 CertFreeCertificateContext(cert);
1749 CertCloseStore(hstore, 0);
1754 /* Select the appropriate certificate */
1756 client_cert_idx = ctx->client_cert_select(e, ssl, certs);
1758 /* Set the selected certificate and free the rest */
1760 for (i = 0; i < sk_X509_num(certs); i++) {
1761 x = sk_X509_value(certs, i);
1762 if (i == client_cert_idx)
1765 key = X509_get_ex_data(x, cert_capi_idx);
1771 sk_X509_free(certs);
1776 /* Setup key for selected certificate */
1778 key = X509_get_ex_data(*pcert, cert_capi_idx);
1779 *pkey = capi_get_pkey(e, key);
1780 X509_set_ex_data(*pcert, cert_capi_idx, NULL);
1786 /* Simple client cert selection function: always select first */
1788 static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1793 # ifdef OPENSSL_CAPIENG_DIALOG
1796 * More complex cert selection function, using standard function
1797 * CryptUIDlgSelectCertificateFromStore() to produce a dialog box.
1801 * Definitions which are in cryptuiapi.h but this is not present in older
1802 * versions of headers.
1805 # ifndef CRYPTUI_SELECT_LOCATION_COLUMN
1806 # define CRYPTUI_SELECT_LOCATION_COLUMN 0x000000010
1807 # define CRYPTUI_SELECT_INTENDEDUSE_COLUMN 0x000000004
1810 # define dlg_title L"OpenSSL Application SSL Client Certificate Selection"
1811 # define dlg_prompt L"Select a certificate to use for authentication"
1812 # define dlg_columns CRYPTUI_SELECT_LOCATION_COLUMN \
1813 |CRYPTUI_SELECT_INTENDEDUSE_COLUMN
1815 static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1819 PCCERT_CONTEXT cert;
1824 if (sk_X509_num(certs) == 1)
1826 ctx = ENGINE_get_ex_data(e, capi_idx);
1827 /* Create an in memory store of certificates */
1828 dstore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
1829 CERT_STORE_CREATE_NEW_FLAG, NULL);
1831 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_CREATING_STORE);
1832 capi_addlasterror();
1835 /* Add all certificates to store */
1836 for (i = 0; i < sk_X509_num(certs); i++) {
1837 x = sk_X509_value(certs, i);
1838 key = X509_get_ex_data(x, cert_capi_idx);
1840 if (!CertAddCertificateContextToStore(dstore, key->pcert,
1841 CERT_STORE_ADD_NEW, NULL)) {
1842 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_ADDING_CERT);
1843 capi_addlasterror();
1848 hwnd = GetForegroundWindow();
1850 hwnd = GetActiveWindow();
1851 if (!hwnd && ctx->getconswindow)
1852 hwnd = ctx->getconswindow();
1853 /* Call dialog to select one */
1854 cert = ctx->certselectdlg(dstore, hwnd, dlg_title, dlg_prompt,
1855 dlg_columns, 0, NULL);
1857 /* Find matching cert from list */
1859 for (i = 0; i < sk_X509_num(certs); i++) {
1860 x = sk_X509_value(certs, i);
1861 key = X509_get_ex_data(x, cert_capi_idx);
1862 if (CertCompareCertificate
1863 (X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, cert->pCertInfo,
1864 key->pcert->pCertInfo)) {
1873 CertCloseStore(dstore, 0);
1879 #else /* !__COMPILE_CAPIENG */
1880 # include <openssl/engine.h>
1881 # ifndef OPENSSL_NO_DYNAMIC_ENGINE
1883 int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns);
1885 int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns)
1890 IMPLEMENT_DYNAMIC_CHECK_FN()
1892 void ENGINE_load_capi(void)